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Elshibani FA, Alamami AD, Mohammed HA, Rasheed RA, El Sabban RM, Yehia MA, Abdel Mageed SS, Majrashi TA, Elkaeed EB, El Hassab MA, Eldehna WM, El-Ashrey MK. A multidisciplinary approach to the antioxidant and hepatoprotective activities of Arbutus pavarii Pampan fruit; in vitro and in Vivo biological evaluations, and in silico investigations. J Enzyme Inhib Med Chem 2024; 39:2293639. [PMID: 38153110 PMCID: PMC10763860 DOI: 10.1080/14756366.2023.2293639] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2023] [Accepted: 12/07/2023] [Indexed: 12/29/2023] Open
Abstract
The Libyan Strawberry, Arbutus pavarii Pampan (ARB), is an endemic Jebel Akhdar plant used for traditional medicine. This study presents the antioxidant and hepatoprotective properties of ARB fruit-extract. ARB phytochemical analysis indicated the presence of 354.54 GAE and 36.2 RE of the phenolics and flavonoids. LC-MS analysis identified 35 compounds belonging to phenolic acids, procyanidins, and flavonoid glycosides. Gallic acid, procyanidin dimer B3, β-type procyanidin trimer C, and quercetin-3-O-glucoside were the major constituents of the plant extract. ARB administration to paracetamol (PAR)-intoxicated rats reduced serum ALT, AST, bilirubin, hepatic tissue MDA and proinflammatory markers; TNF-α and IL-6 with an increase in tissue GSH level and SOD activity. Histological and immunohistochemical studies revealed that ARB restored the liver histology and significantly reduced the tissue expression of caspase 3, IL-1B, and NF-KB in PAR-induced liver damage. Docking analysis disclosed good binding affinities of some compounds with XO, COX-1, 5-LOX, and PI3K.
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Affiliation(s)
- Fatma A. Elshibani
- Department of Pharmacognosy, Faculty of Pharmacy, University of Benghazi, Benghazi, Libya
| | - Abdullah D. Alamami
- Department of Basic Medical Science, Faculty of Pharmacy, University of Benghazi, Benghazi, Libya
| | - Hamdoon A. Mohammed
- Department of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, Qassim University, Qassim, Saudi Arabia
- Department of Pharmacognosy and Medicinal Plants, Faculty of Pharmacy, Al-Azhar University, Cairo, Egypt
| | - Rabab Ahmed Rasheed
- Department of Medical Histology and Cell Biology, Faculty of Medicine, King Salman International University (KSIU), South Sinai, Egypt
| | - Radwa M. El Sabban
- Department of Anatomy, Faculty of Medicine, October 6 University, Giza, Egypt
| | - Mohamed A. Yehia
- Department of Forensic Medicine and Clinical Toxicology, Faculty of Medicine, October 6 University, Giza, Egypt
| | - Sherif S. Abdel Mageed
- Pharmacology and Toxicology Department, Faculty of Pharmacy, Badr University in Cairo (BUC), Badr City, Cairo, Egypt
| | - Taghreed A. Majrashi
- Department of Pharmacognosy, College of Pharmacy, King Khalid University, Asir, Saudi Arabia
| | - Eslam B. Elkaeed
- Department of Pharmaceutical Sciences, College of Pharmacy, AlMaarefa University, Riyadh, Saudi Arabia
| | - Mahmoud A. El Hassab
- Department of Medicinal Chemistry, Faculty of Pharmacy, King Salman International University (KSIU), South Sinai, Egypt
| | - Wagdy M. Eldehna
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Kafrelsheikh University, Kafrelsheikh, Egypt
| | - Mohamed K. El-Ashrey
- Department of Medicinal Chemistry, Faculty of Pharmacy, King Salman International University (KSIU), South Sinai, Egypt
- Pharmaceutical Chemistry Department, Faculty of Pharmacy, Cairo University, Cairo, Egypt
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Yang Y, Chen Q, Fan S, Lu Y, Huang Q, Liu X, Peng X. Glutamine sustains energy metabolism and alleviates liver injury in burn sepsis by promoting the assembly of mitochondrial HSP60-HSP10 complex via SIRT4 dependent protein deacetylation. Redox Rep 2024; 29:2312320. [PMID: 38329114 PMCID: PMC10854458 DOI: 10.1080/13510002.2024.2312320] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/09/2024] Open
Abstract
Burns and burn sepsis, characterized by persistent and profound hypercatabolism, cause energy metabolism dysfunction that worsens organ injury and systemic disorders. Glutamine (Gln) is a key nutrient that remarkably replenishes energy metabolism in burn and sepsis patients, but its exact roles beyond substrate supply is unclear. In this study, we demonstrated that Gln alleviated liver injury by sustaining energy supply and restoring redox balance. Meanwhile, Gln also rescued the dysfunctional mitochondrial electron transport chain (ETC) complexes, improved ATP production, reduced oxidative stress, and protected hepatocytes from burn sepsis injury. Mechanistically, we revealed that Gln could activate SIRT4 by upregulating its protein synthesis and increasing the level of Nicotinamide adenine dinucleotide (NAD+), a co-enzyme that sustains the activity of SIRT4. This, in turn, reduced the acetylation of shock protein (HSP) 60 to facilitate the assembly of the HSP60-HSP10 complex, which maintains the activity of ETC complex II and III and thus sustain ATP generation and reduce reactive oxygen species release. Overall, our study uncovers a previously unknown pharmacological mechanism involving the regulation of HSP60-HSP10 assembly by which Gln recovers mitochondrial complex activity, sustains cellular energy metabolism and exerts a hepato-protective role in burn sepsis.
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Affiliation(s)
- Yongjun Yang
- Clinical Medical Research Center, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, People’s Republic of China
| | - Qian Chen
- Clinical Medical Research Center, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, People’s Republic of China
| | - Shijun Fan
- Clinical Medical Research Center, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, People’s Republic of China
| | - Yongling Lu
- Clinical Medical Research Center, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, People’s Republic of China
| | - Qianyin Huang
- Clinical Medical Research Center, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, People’s Republic of China
| | - Xin Liu
- Clinical Medical Research Center, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, People’s Republic of China
| | - Xi Peng
- Clinical Medical Research Center, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, People’s Republic of China
- State Key Laboratory of Trauma, Burns and Combined Injury, Southwest Hospital, Third Military Medical University (Army Medical University), ChongqingPeople’s Republic of China
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Dhanasiri AK, Siciliani D, Kortner TM, Krogdahl Å. Epigenetic changes in pyloric caeca of Atlantic salmon fed diets containing increasing levels of lipids and choline. Epigenetics 2024; 19:2305079. [PMID: 38281164 PMCID: PMC10824149 DOI: 10.1080/15592294.2024.2305079] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Accepted: 01/09/2024] [Indexed: 01/30/2024] Open
Abstract
An earlier study of ours investigating the effect of dietary lipid levels on the choline requirement of Atlantic salmon showed increasing severity of intestinal steatosis with increasing lipid levels. As choline is involved in epigenetic regulation by being the key methyl donor, pyloric caeca samples from the study were analysed for epigenetic effects of dietary lipid and choline levels. The diets varied in lipid levels between 16% and 28%, and choline levels between 1.9 and 2.3 g/kg. The diets were fed for 8 weeks to Atlantic salmon of 25 g of initial weight. Using reduced representation bisulfite sequencing (RRBS), this study revealed that increasing dietary lipid levels induced methylation differences in genes involved in membrane transport and signalling pathways, and in microRNAs important for the regulation of lipid homoeostasis. Increasing choline levels also affected genes involved in fatty acid biosynthesis and transport, lipolysis, and lipogenesis, as well as important immune genes. Our observations confirmed that choline is involved in epigenetic regulation in Atlantic salmon, as has been reported for higher vertebrates. This study showed the need for the inclusion of biomarkers of epigenetic processes in studies that must be conducted to define optimal choline levels in diets for Atlantic salmon.
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Affiliation(s)
- Anusha K.S. Dhanasiri
- Department of Paraclinical Sciences, Faculty of Veterinary Medicine, Norwegian University of Life Sciences (NMBU), Ås, Norway
| | - Daphne Siciliani
- Department of Paraclinical Sciences, Faculty of Veterinary Medicine, Norwegian University of Life Sciences (NMBU), Ås, Norway
| | - Trond M. Kortner
- Department of Paraclinical Sciences, Faculty of Veterinary Medicine, Norwegian University of Life Sciences (NMBU), Ås, Norway
| | - Åshild Krogdahl
- Department of Paraclinical Sciences, Faculty of Veterinary Medicine, Norwegian University of Life Sciences (NMBU), Ås, Norway
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Saito T, Espe M, Vikeså V, Bock C, Thomsen TH, Adam AC, Fernandes JMO, Skjaerven KH. One-carbon metabolism nutrients impact the interplay between DNA methylation and gene expression in liver, enhancing protein synthesis in Atlantic salmon. Epigenetics 2024; 19:2318517. [PMID: 38404006 PMCID: PMC10900267 DOI: 10.1080/15592294.2024.2318517] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Accepted: 02/07/2024] [Indexed: 02/27/2024] Open
Abstract
Supplementation of one-carbon (1C) metabolism micronutrients, which include B-vitamins and methionine, is essential for the healthy growth and development of Atlantic salmon (Salmo salar). However, the recent shift towards non-fish meal diets in salmon aquaculture has led to the need for reassessments of recommended micronutrient levels. Despite the importance of 1C metabolism in growth performance and various cellular regulations, the molecular mechanisms affected by these dietary alterations are less understood. To investigate the molecular effect of 1C nutrients, we analysed gene expression and DNA methylation using two types of omics data: RNA sequencing (RNA-seq) and reduced-representation bisulphite sequencing (RRBS). We collected liver samples at the end of a feeding trial that lasted 220 days through the smoltification stage, where fish were fed three different levels of four key 1C nutrients: methionine, vitamin B6, B9, and B12. Our results indicate that the dosage of 1C nutrients significantly impacts genetic and epigenetic regulations in the liver of Atlantic salmon, particularly in biological pathways related to protein synthesis. The interplay between DNA methylation and gene expression in these pathways may play an important role in the mechanisms underlying growth performance affected by 1C metabolism.
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Affiliation(s)
- Takaya Saito
- Feed and Nutrition group, Institute of Marine Research, Bergen, Norway
| | - Marit Espe
- Feed and Nutrition group, Institute of Marine Research, Bergen, Norway
| | - Vibeke Vikeså
- Skretting AI, Aquaculture Innovation, Stavanger, Norway
| | - Christoph Bock
- CeMM, Research Center for Molecular Medicine of the Austrian Academy of Sciences, Vienna, Austria
| | | | - Anne-Catrin Adam
- Feed and Nutrition group, Institute of Marine Research, Bergen, Norway
| | | | - Kaja H Skjaerven
- Feed and Nutrition group, Institute of Marine Research, Bergen, Norway
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Zhao Y, Kong H, Li Y, Zhao Y, Zhang Y, Zhao Y, Qu H. Inhibitory effects of Curcumae Radix carbonisata-based carbon dots against liver fibrosis induced by carbon tetrachloride in mice. Artif Cells Nanomed Biotechnol 2024; 52:23-34. [PMID: 38035609 DOI: 10.1080/21691401.2023.2239522] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Accepted: 07/18/2023] [Indexed: 12/02/2023]
Abstract
As a processed product of traditional Chinese medicine Curcumae Radix, Curcumae Radix Carbonisata (CRC) has been widely used in the treatment of liver diseases in ancient medical books. In this study, novel carbon dots (CDs) extending from 1.0 to 4.5 nm were separated from fluid extricates of CRC. Meanwhile, a liver fibrosis model induced by carbon tetrachloride (CCl4) was utilized to determine the inhibitory effects of CRC-CDs against liver fibrosis. The results exhibited the CRC-CDs with a quantum yield of 1.34% have a significant inhibitory effect on CCl4-induced liver fibrosis, as demonstrated by improving hepatocyte degeneration and necrosis, inflammatory cell infiltration and fibrotic tissue hyperplasia, downregulating the levels of alanine transaminase (ALT), aspartate aminotransferase (AST), total bilirubin (TBIL), direct bilirubin (DBIL), total bile acid (TBA), triglyceride (TG), tumour necrosis factor-α (TNF-α), interleukin (IL)-6 and IL-1β in the serum, upregulating the contents of superoxide dismutase (SOD), reduced glutathione (GSH), and downregulating the concentration of malondialdehyde (MDA), which lays an important foundation for the development of CRC-CDs as a novel drug for the treatment of liver fibrosis, and provide a certain experimental basis for the clinical application of CRC-CDs in the future.
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Affiliation(s)
- Yusheng Zhao
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Hui Kong
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Yuru Li
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, People's Republic of China
| | - Yafang Zhao
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Yue Zhang
- School of Life Sciences, Beijing University of Chinese Medicine, Beijing, China
| | - Yan Zhao
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Huihua Qu
- Centre of Scientific Experiment, Beijing University of Chinese Medicine, Beijing, China
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Elrashidy RA, Zakaria EM, Hasan RA, Elmaghraby AM, Hassan DA, Abdelgalil RM, Abdelmohsen SR, Negm AM, Khalil AS, Eraque AMS, Ahmed RM, Sabbah WS, Ahmed AA, Ibrahim SE. Implication of endoplasmic reticulum stress and mitochondrial perturbations in remote liver injury after renal ischemia/reperfusion in rats: potential protective role of azilsartan. Redox Rep 2024; 29:2319963. [PMID: 38411133 PMCID: PMC10903753 DOI: 10.1080/13510002.2024.2319963] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/28/2024] Open
Abstract
Objectives: Distant liver injury is a complication of renal ischemia-reperfusion (I/R) injury, which imposes mortality and economic burden. This study aimed to elucidate the cross-talk of endoplasmic reticulum (ER) stress and mitochondrial perturbations in renal I/R-induced liver injury, and the potential hepatoprotective effect of azilsartan (AZL).Methods: Male albino Wister rats were pre-treated with AZL (3 mg/kg/day, PO) for 7 days then a bilateral renal I/R or sham procedure was performed. Activities of liver enzymes were assessed in plasma. The structure and ultra-structure of hepatocytes were assessed by light and electron microscopy. Markers of ER stress, mitochondrial biogenesis and apoptosis were analyzed in livers of rats.Results: Renal ischemic rats showed higher plasma levels of liver enzymes than sham-operated rats, coupled with histological and ultra-structural alterations in hepatocytes. Mechanistically, there was up-regulation of ER stress markers and suppression of mitochondrial biogenesis-related proteins and enhanced apoptosis in livers of renal ischemic rats. These abnormalities were almost abrogated by AZL pretreatment.Discussion: Our findings uncovered the involvement of mitochondrial perturbations, ER stress and apoptosis in liver injury following renal I/R, and suggested AZL as a preconditioning strategy to ameliorate remote liver injury in patients susceptible to renal I/R after adequate clinical testing.
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Affiliation(s)
- Rania A. Elrashidy
- Biochemistry Department, Faculty of Pharmacy, Zagazig University, Zagazig, Egypt
| | - Esraa M. Zakaria
- Pharmacology Department, Faculty of Pharmacy, Zagazig University, Zagazig, Egypt
| | - Rehab A. Hasan
- Histology and Cell Biology Department, Faculty of Medicine for Girls, Al-Azhar University, Cairo, Egypt
| | - Asmaa M. Elmaghraby
- Histology and Cell Biology Department, Faculty of Medicine for Girls, Al-Azhar University, Cairo, Egypt
| | - Dina A. Hassan
- Histology and Cell Biology Department, Faculty of Medicine for Girls, Al-Azhar University, Cairo, Egypt
| | - Ranya M. Abdelgalil
- Anatomy and Embryology Department, Faculty of Medicine for Girls, Al-Azhar University, Cairo, Egypt
| | - Shaimaa R. Abdelmohsen
- Anatomy and Embryology Department, Faculty of Medicine for Girls, Al-Azhar University, Cairo, Egypt
| | - Amira M. Negm
- Medical Physiology Department, Faculty of Medicine for Girls, Al-Azhar University, Cairo, Egypt
| | - Azza S. Khalil
- Medical Physiology Department, Faculty of Medicine for Girls, Al-Azhar University, Cairo, Egypt
| | - Ayat M. S. Eraque
- Medical Biochemistry and Molecular Biology Department, Faculty of Medicine for Girls, Al-Azhar University, Cairo, Egypt
| | - Reem M. Ahmed
- Medical Biochemistry and Molecular Biology Department, Faculty of Medicine for Girls, Al-Azhar University, Cairo, Egypt
| | - Walaa S. Sabbah
- Anatomy and Embryology Department, Faculty of Medicine for Girls, Al-Azhar University, Cairo, Egypt
| | - Ahmed A. Ahmed
- Medical Student, Faculty of Medicine, Kasr Al Ainy, Cairo University, Cairo, Egypt
| | - Samah E. Ibrahim
- Medical Physiology Department, Faculty of Medicine for Girls, Al-Azhar University, Cairo, Egypt
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Kwon SY, Park YJ. Function of NAD metabolism in white adipose tissue: lessons from mouse models. Adipocyte 2024; 13:2313297. [PMID: 38316756 PMCID: PMC10877972 DOI: 10.1080/21623945.2024.2313297] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/14/2023] [Accepted: 01/22/2024] [Indexed: 02/07/2024] Open
Abstract
Nicotinamide Adenine Dinucleotide (NAD) is an endogenous substance in redox reactions and regulates various functions in metabolism. NAD and its precursors are known for their anti-ageing and anti-obesity properties and are mainly active in the liver and muscle. Boosting NAD+ through supplementation with the precursors, such as nicotinamide mononucleotide (NMN) or nicotinamide riboside (NR), enhances insulin sensitivity and circadian rhythm in the liver, and improves mitochondrial function in the muscle. Recent evidence has revealed that the adipose tissue could be another direct target of NAD supplementation by attenuating inflammation and fat accumulation. Moreover, murine studies with genetically modified models demonstrated that nicotinamide phosphoribosyltransferase (NAMPT), a NAD regulatory enzyme that synthesizes NMN, played a critical role in lipogenesis and lipolysis in an adipocyte-specific manner. The tissue-specific effects of NAD+ metabolic pathways indicate a potential of the NAD precursors to control metabolic stress particularly via focusing on adipose tissue. Therefore, this narrative review raises an importance of NAD metabolism in white adipose tissue (WAT) through a variety of studies using different mouse models.
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Affiliation(s)
- So Young Kwon
- Graduate Program in System Health and Engineering, Ewha Womans University, Seoul, Republic of Korea
- Department of Nutritional Science and Food Management, Ewha Womans University, Seoul, Republic of Korea
| | - Yoon Jung Park
- Graduate Program in System Health and Engineering, Ewha Womans University, Seoul, Republic of Korea
- Department of Nutritional Science and Food Management, Ewha Womans University, Seoul, Republic of Korea
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Yang X, Zhang J, Li Y, Hu H, Li X, Ma T, Zhang B. Si-Ni-San promotes liver regeneration by maintaining hepatic oxidative equilibrium and glucose/lipid metabolism homeostasis. J Ethnopharmacol 2024; 326:117918. [PMID: 38382654 DOI: 10.1016/j.jep.2024.117918] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/23/2023] [Revised: 02/08/2024] [Accepted: 02/13/2024] [Indexed: 02/23/2024]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE The efficacy of clinical treatments for various liver diseases is intricately tied to the liver's regenerative capacity. Insufficient or failed liver regeneration is a direct cause of mortality following fulminant hepatic failure and extensive hepatectomy. Si-Ni-San (SNS), a renowned traditional Chinese medicine prescription for harmonizing liver and spleen functions, has shown clinical efficacy in the alleviation of liver injury for thousands of years. However, the precise molecular pharmacological mechanisms underlying its effects remain unclear. AIMS OF THE STUDY This study aimed to investigate the effects of SNS on liver regeneration and elucidate the underlying mechanisms. MATERIALS AND METHODS A mouse model of 70% partial hepatectomy (PHx) was used to analyze the effects of SNS on liver regeneration. Aquaporin-9 knockout mice (AQP9-/-) were used to demonstrate that SNS-mediated enhancement of liver regeneration was AQP9-targeted. A tandem dimer-Tomato-tagged AQP9 transgenic mouse line (AQP9-RFP) was utilized to determine the expression pattern of AQP9 protein in hepatocytes. Immunoblotting, quantitative real-time PCR, staining techniques, and biochemical assays were used to further explore the underlying mechanisms of SNS. RESULTS SNS treatment significantly enhanced liver regeneration and increased AQP9 protein expression in hepatocytes of wild-type mice (AQP9+/+) post 70% PHx, but had no significant effects on AQP9-/- mice. Following 70% PHx, SNS helped maintain hepatic oxidative equilibrium by increasing the levels of reactive oxygen species scavengers glutathione and superoxide dismutase and reducing the levels of oxidative stress molecules H2O2 and malondialdehyde in liver tissues, thereby preserving this crucial process for hepatocyte proliferation. Simultaneously, SNS augmented glycerol uptake by hepatocytes, stimulated gluconeogenesis, and maintained glucose/lipid metabolism homeostasis, ensuring the energy supply required for liver regeneration. CONCLUSIONS This study provides the first evidence that SNS maintains liver oxidative equilibrium and glucose/lipid metabolism homeostasis by upregulating AQP9 expression in hepatocytes, thereby promoting liver regeneration. These findings offer novel insights into the molecular pharmacological mechanisms of SNS in promoting liver regeneration and provide guidance for its clinical application and optimization in liver disease treatment.
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Affiliation(s)
- Xu Yang
- School of Medicine & Holistic Integrative Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Junqi Zhang
- School of Medicine & Holistic Integrative Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Yanghao Li
- School of Medicine & Holistic Integrative Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Huiting Hu
- School of Medicine & Holistic Integrative Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Xiang Li
- School of Medicine & Holistic Integrative Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Tonghui Ma
- School of Medicine & Holistic Integrative Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, China.
| | - Bo Zhang
- School of Medicine & Holistic Integrative Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, China.
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Yellurkar ML, Prasanna VS, Das P, Sarkar S, Matta R, Dhaked DK, Peraman R, Taraphdar AK, Nanjappan SK, Velayutham R, Arumugam S. Indigenous wisdom of a Kwatha to treat NASH: An insight into the mechanism. J Ethnopharmacol 2024; 326:117935. [PMID: 38408692 DOI: 10.1016/j.jep.2024.117935] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/14/2023] [Revised: 01/08/2024] [Accepted: 02/17/2024] [Indexed: 02/28/2024]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Nonalcoholic fatty liver disease (NAFLD) is the most common severe liver disease globally, progressing further into nonalcoholic steatohepatitis (NASH) and hepatocellular carcinoma (HCC). Vasaguduchyadi Kwatha (VK) is an Ayurvedic formulation traditionally used to treat liver diseases and other metabolic complications. This study is an ethnopharmacological approach to unravel this indigenous remedy. AIM OF THE STUDY We aimed to discover the probable mechanism of action of VK against NASH in this study, using network pharmacology, molecular docking, in vitro study, and preclinical investigation. METHODS AND RESULTS Among the 55 components identified, 10 were confirmed based on mass, elution charecteristics, MS/MS analysis data, and fragmentation rules. Computational study indicated 92 targets involved in the central pathways of NASH, out of which only 15 targets and 9 VK constituents have significant docking scores. In vitro and in vivo analysis results showed that VK significantly reduces weight gain and improves insulin sensitivity, dyslipidemia, steatohepatitis and overall histological features of NASH compared to saroglitazar (SGZR). CONCLUSION Our detailed study yielded three signalling pathways related to NASH on which VK has maximum effect, bringing up a probable alternative treatment for NASH.
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Affiliation(s)
- Manoj Limbraj Yellurkar
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research (NIPER), Chunilal Bhawan, 168 Maniktala Main Road, Kolkata, 700054, West Bengal, India
| | - Vani Sai Prasanna
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research (NIPER), Chunilal Bhawan, 168 Maniktala Main Road, Kolkata, 700054, West Bengal, India
| | - Pamelika Das
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research (NIPER), Chunilal Bhawan, 168 Maniktala Main Road, Kolkata, 700054, West Bengal, India
| | - Sulogna Sarkar
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research (NIPER), Chunilal Bhawan, 168 Maniktala Main Road, Kolkata, 700054, West Bengal, India
| | - Rakesh Matta
- Department of Natural Products, National Institute of Pharmaceutical Education and Research (NIPER), Chunilal Bhawan, 168 Maniktala Main Road, Kolkata, 700054, West Bengal, India
| | - Devendra Kumar Dhaked
- Department of Pharmacoinformatics, National Institute of Pharmaceutical Education and Research (NIPER), Chunilal Bhawan, 168 Maniktala Main Road, Kolkata, 700054, West Bengal, India
| | - Ramalingam Peraman
- Department of Pharmaceutical Analysis, National Institute of Pharmaceutical Education and Research (NIPER), Export Promotion Industrial Park (EPIP) Zandaha Road, NH322, Hajipur, Bihar, 844102, India
| | - Amit Kumar Taraphdar
- Department of Dravyaguna (Ayurvedic Pharmacology), Institute of Post Graduate Ayurvedic Education and Research, 294/3/1, Acharya Prafulla Chandra Road, Kolkata, 700009, West Bengal, India
| | - Satheesh Kumar Nanjappan
- Department of Natural Products, National Institute of Pharmaceutical Education and Research (NIPER), Chunilal Bhawan, 168 Maniktala Main Road, Kolkata, 700054, West Bengal, India
| | - Ravichandiran Velayutham
- Department of Natural Products, National Institute of Pharmaceutical Education and Research (NIPER), Chunilal Bhawan, 168 Maniktala Main Road, Kolkata, 700054, West Bengal, India.
| | - Somasundaram Arumugam
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research (NIPER), Chunilal Bhawan, 168 Maniktala Main Road, Kolkata, 700054, West Bengal, India.
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Zhu Z, Zhang Y, Li J, Han Y, Wang L, Zhang Y, Geng H, Zheng Y, Wang X, Sun C, Li B, Chen P. Mass spectrometry imaging-based metabolomics highlights spatial metabolic alterations in three types of liver injuries. J Pharm Biomed Anal 2024; 242:116030. [PMID: 38382318 DOI: 10.1016/j.jpba.2024.116030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Revised: 02/07/2024] [Accepted: 02/09/2024] [Indexed: 02/23/2024]
Abstract
Liver's distinctive function renders it highly susceptible to diverse damage sources. Characterizing the metabolic profiles and spatial signatures in different liver injuries is imperative for early diagnosis and etiology-oriented treatment. In this comparative study, we conducted whole-body spatial metabolomics on zebrafish with liver injury induced by ethanol (EtOH), acetaminophen (APAP), and thioacetamide (TAA). The two specific levels, the whole-body and liver-specific metabolic profiles, as well as their regional distributions, were systematically mapped in situ by mass spectrometry imaging, which is distinct from conventional LC-MS and GC-MS methods. We found that liver injury regions exhibited more pronounced metabolic reprogramming than the entire organism, leading to significant alterations in eight fatty acids, three phospholipids, and four low-molecular-weight metabolites. More importantly, fatty acids as well as small molecule metabolites including glutamine, glutamate, taurine and malic acid displayed contrasting changes between alcoholic liver disease (ALD) and non-alcoholic fatty liver disease (NAFLD). In addition, phospholipids, including Lyso PC (16:0) and Lyso PE (18:0), demonstrated notable down-regulation in all damaged liver, whereas PC (34:1) underwent upregulation. This study not only deepens insights into distinct potential biomarkers for liver injuries, but also underscores spatial metabolomics as a powerful tool to elucidate possible pathogenic mechanisms in other metabolic diseases.
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Affiliation(s)
- Zihan Zhu
- College of Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan 250355, China
| | - Yun Zhang
- Biology Institute, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250103, China
| | - Jun Li
- College of Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan 250355, China
| | - Yuhao Han
- Key Laboratory for Natural Active Pharmaceutical Constituents Research in Universities of Shandong Province, School of Pharmaceutical Sciences, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250014, China; Key Laboratory for Applied Technology of Sophisticated Analytical Instruments of Shandong Province, Shandong Analysis and Test Center, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250014, China
| | - Lei Wang
- Key Laboratory for Natural Active Pharmaceutical Constituents Research in Universities of Shandong Province, School of Pharmaceutical Sciences, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250014, China; Key Laboratory for Applied Technology of Sophisticated Analytical Instruments of Shandong Province, Shandong Analysis and Test Center, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250014, China
| | - Yaqi Zhang
- Key Laboratory for Natural Active Pharmaceutical Constituents Research in Universities of Shandong Province, School of Pharmaceutical Sciences, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250014, China; Key Laboratory for Applied Technology of Sophisticated Analytical Instruments of Shandong Province, Shandong Analysis and Test Center, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250014, China
| | - Haoyuan Geng
- Key Laboratory for Natural Active Pharmaceutical Constituents Research in Universities of Shandong Province, School of Pharmaceutical Sciences, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250014, China; Key Laboratory for Applied Technology of Sophisticated Analytical Instruments of Shandong Province, Shandong Analysis and Test Center, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250014, China
| | - Yurong Zheng
- College of Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan 250355, China
| | - Xiao Wang
- Key Laboratory for Natural Active Pharmaceutical Constituents Research in Universities of Shandong Province, School of Pharmaceutical Sciences, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250014, China; Key Laboratory for Applied Technology of Sophisticated Analytical Instruments of Shandong Province, Shandong Analysis and Test Center, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250014, China
| | - Chenglong Sun
- Key Laboratory for Natural Active Pharmaceutical Constituents Research in Universities of Shandong Province, School of Pharmaceutical Sciences, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250014, China; Key Laboratory for Applied Technology of Sophisticated Analytical Instruments of Shandong Province, Shandong Analysis and Test Center, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250014, China
| | - Baoguo Li
- College of Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan 250355, China.
| | - Panpan Chen
- Key Laboratory for Natural Active Pharmaceutical Constituents Research in Universities of Shandong Province, School of Pharmaceutical Sciences, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250014, China; Key Laboratory for Applied Technology of Sophisticated Analytical Instruments of Shandong Province, Shandong Analysis and Test Center, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250014, China.
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11
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Weinrauch AM, Bouyoucos IA, Conlon JM, Anderson WG. The chondrichthyan glucagon-like peptide 3 regulates hepatic ketone metabolism in the Pacific spiny dogfish Squalus suckleyi. Gen Comp Endocrinol 2024; 350:114470. [PMID: 38346454 DOI: 10.1016/j.ygcen.2024.114470] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Revised: 12/07/2023] [Accepted: 02/03/2024] [Indexed: 02/17/2024]
Abstract
Chondrichthyans have a novel proglucagon-derived peptide, glucagon-like peptide (GLP)-3, in addition to GLP-1 and GLP-2 that occur in other vertebrates. Given that the GLPs are important regulators of metabolic homeostasis across vertebrates, we sought to investigate whether GLP-3 displays functional actions on metabolism within a representative chondrichthyan, the Pacific spiny dogfish Squalus suckleyi. There were no observed effects of GLP-3 perfusion (10 nM for 15 min) on the rate of glucose or oleic acid acquisition at the level of the spiral valve nor were there any measured effects on intermediary metabolism within this tissue. Despite no effects on apparent glucose transport or glycolysis in the liver, a significant alteration to ketone metabolism occurred. Firstly, ketone flux through the perfused liver switched from a net endogenous production to consumption following hormone application. Accompanying this change, significant increases in mRNA transcript abundance of putative ketone transporters and in the activity of β-hydroxybutyrate dehydrogenase (a key enzyme regulating ketone flux in the liver) were observed. Overall, while these results show effects on hepatic metabolism, the physiological actions of GLP are distinct between this chondrichthyan and those of GLP-1 on teleost fishes. Whether this is the result of the particular metabolic dependency on ketone bodies in chondrichthyans or a differential function of a novel GLP remains to be fully elucidated.
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Affiliation(s)
- Alyssa M Weinrauch
- Department of Biological Sciences, University of Manitoba, Winnipeg, MB R3T 2N2, Canada; Bamfield Marine Sciences Centre, Bamfield, BC V0R 1B0, Canada.
| | - Ian A Bouyoucos
- Department of Biological Sciences, University of Manitoba, Winnipeg, MB R3T 2N2, Canada; Bamfield Marine Sciences Centre, Bamfield, BC V0R 1B0, Canada
| | - J Michael Conlon
- Diabetes Research Centre, School of Biomedical Sciences, Ulster University, Coleraine BT52 1SA, Northern Ireland, UK
| | - W Gary Anderson
- Department of Biological Sciences, University of Manitoba, Winnipeg, MB R3T 2N2, Canada; Bamfield Marine Sciences Centre, Bamfield, BC V0R 1B0, Canada
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12
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Gumus M, Gulbahce-Mutlu E, Unal O, Baltaci SB, Unlukal N, Mogulkoc R, Baltaci AK. Marginal Maternal Zinc Deficiency Produces Liver Damage and Altered Zinc Transporter Expression in Offspring Male Rats. Biol Trace Elem Res 2024; 202:2133-2142. [PMID: 37656390 DOI: 10.1007/s12011-023-03824-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Accepted: 08/18/2023] [Indexed: 09/02/2023]
Abstract
The aim of this study was to investigate how zinc deficiency and supplementation affect liver markers including autotaxin, kallistatin, endocan, and zinc carrier proteins ZIP14 and ZnT9 in rats exposed to maternal zinc deficiency. Additionally, the study aimed to assess liver tissue damage through histological examination. A total of forty male pups were included in the research, with thirty originating from mothers who were given a zinc-deficient diet (Groups 1, 2, and 3), and the remaining ten born to mothers fed a standard diet (Group 4). Subsequently, Group 1 was subjected to a zinc-deficient diet, Group 2 received a standard diet, Group 3 received zinc supplementation, and Group 4 served as the control group without any supplementation. Upon completion of the experimental phases of the study, all animals were sacrificed under general anesthesia, and samples of liver tissue were obtained. The levels of autotaxin, kallistatin, endocan, ZIP 14, and ZnT9 in these liver tissue samples were determined using the ELISA technique. In addition, histological examination was performed to evaluate tissue damage in the liver samples. In the group experiencing zinc deficiency, both endocan and autotaxin levels increased compared to the control group. With zinc supplementation, the levels of endocan and autotaxin returned to the values observed in the control group. Similarly, the suppressed levels of kallistatin, ZIP14, and ZnT9 observed in the zinc deficiency group were reversed with zinc supplementation. Likewise, the reduced levels of kallistatin, ZIP14, and ZnT9 seen in the zinc deficiency group were rectified with zinc supplementation. Moreover, the application of zinc partially ameliorated the heightened liver tissue damage triggered by zinc deficiency. This study is the pioneering one to demonstrate that liver tissue dysfunction induced by a marginal zinc-deficient diet in rats with marginal maternal zinc deficiency can be alleviated through zinc supplementation.
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Affiliation(s)
- Meltem Gumus
- Department of Pediatrics, Selcuk University Faculty of Medicine, Konya, Turkey
| | - Elif Gulbahce-Mutlu
- Department of Medical Biology, Medical Faculty, KTO Karatay University, Konya, Turkey
| | - Omer Unal
- Department of Physiology, Medical Faculty, Kirikkale University, Kirikkale, Turkey
| | - Saltuk Bugra Baltaci
- Department of Physiology, Regenerative and Restorative Medical Research Center, Istanbul Medipol University, Istanbul, Turkey
| | - Nejat Unlukal
- Department of Histology and Embryology, Selcuk University Faculty of Medicine, Konya, Turkey
| | - Rasim Mogulkoc
- Department of Physiology, Selcuk University Faculty of Medicine, Konya, Turkey
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Agarwal S, Gordon J, Bok RA, von Morze C, Vigneron DB, Kurhanewicz J, Ohliger MA. Distinguishing metabolic signals of liver tumors from surrounding liver cells using hyperpolarized 13 C MRI and gadoxetate. Magn Reson Med 2024; 91:2114-2125. [PMID: 38270193 DOI: 10.1002/mrm.29918] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Revised: 10/04/2023] [Accepted: 10/18/2023] [Indexed: 01/26/2024]
Abstract
PURPOSE To use the hepatocyte-specific gadolinium-based contrast agent gadoxetate combined with hyperpolarized (HP) [1-13 C]pyruvate MRI to selectively suppress metabolic signals from normal hepatocytes while preserving the signals arising from tumors. METHODS Simulations were performed to determine the expected changes in HP 13 C MR signal in liver and tumor under the influence of gadoxetate. CC531 colon cancer cells were implanted into the livers of five Wag/Rij rats. Liver and tumor metabolism were imaged at 3 T using HP [1-13 C] pyruvate chemical shift imaging before and 15 min after injection of gadoxetate. Area under the curve for pyruvate and lactate were measured from voxels containing at least 75% of normal-appearing liver or tumor. RESULTS Numerical simulations predicted a 36% decrease in lactate-to-pyruvate (L/P) ratio in liver and 16% decrease in tumor. In vivo, baseline L/P ratio was 0.44 ± 0.25 in tumors versus 0.21 ± 0.08 in liver (p = 0.09). Following administration of gadoxetate, mean L/P ratio decreased by an average of 0.11 ± 0.06 (p < 0.01) in normal-appearing liver. In tumors, mean L/P ratio post-gadoxetate did not show a statistically significant change from baseline. Compared to baseline levels, the relative decrease in L/P ratio was significantly greater in liver than in tumors (-0.52 ± 0.16 vs. -0.19 ± 0.25, p < 0.05). CONCLUSIONS The intracellular hepatobiliary contrast agent showed a greater effect suppressing HP 13 C MRI metabolic signals (through T1 shortening) in normal-appearing liver when compared to tumors. The combined use of HP MRI with selective gadolinium contrast agents may allow more selective imaging in HP 13 C MRI.
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Affiliation(s)
- Shubhangi Agarwal
- Department of Radiology and Biomedical Imaging, University of California, San Francisco, San Francisco, California, USA
| | - Jeremy Gordon
- Department of Radiology and Biomedical Imaging, University of California, San Francisco, San Francisco, California, USA
| | - Robert A Bok
- Department of Radiology and Biomedical Imaging, University of California, San Francisco, San Francisco, California, USA
| | - Cornelius von Morze
- Mallinckrodt Institute of Radiology, Washington University, St. Louis, Missouri, USA
| | - Daniel B Vigneron
- Department of Radiology and Biomedical Imaging, University of California, San Francisco, San Francisco, California, USA
- Liver Center, University of California, San Francisco, San Francisco, California, USA
| | - John Kurhanewicz
- Department of Radiology and Biomedical Imaging, University of California, San Francisco, San Francisco, California, USA
| | - Michael A Ohliger
- Department of Radiology and Biomedical Imaging, University of California, San Francisco, San Francisco, California, USA
- Liver Center, University of California, San Francisco, San Francisco, California, USA
- Department of Radiology, Zuckerberg San Francisco General Hospital, San Francisco, California, USA
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14
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Cai X, Hu Z, Zhang M, Dang Q, Yang Q, Zhao X, Zhu Y, Zhang Y, Wei Y, Fang H, Yu H. Dosage-effect of selenium supplementation on blood glucose and oxidative stress in type 2 diabetes mellitus and normal mice. J Trace Elem Med Biol 2024; 83:127410. [PMID: 38377660 DOI: 10.1016/j.jtemb.2024.127410] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/11/2023] [Revised: 01/23/2024] [Accepted: 02/04/2024] [Indexed: 02/22/2024]
Abstract
BACKGROUND The effectiveness of selenium (Se) supplementation on glycemic control is disparate. OBJECTIVE This study aims to evaluate the effects of different dosages of Se diets on the blood glucose in type 2 diabetes mellitus (T2DM, db/db) and normal (db/m) mice. METHODS The db/db and db/m mice were fed with different dosages of Se supplemented diets (0, 0.1, 0.3, 0.9, 2.7 mg/kg) for 12 weeks, respectively. Se concentrations of tissues, physical and biochemical characteristics, oxidative stress indexes and gene expression related to glucose, lipid metabolism and Se transporters of liver were detected. RESULTS The Se concentrations in tissues were related to the dosages of Se supplementation in db/db (blood: slope=11.69, r = 0.924; skeletal muscle: slope=0.36, r = 0.505; liver: slope=22.12, r = 0.828; kidney: slope=11.81, r = 0.736) and db/m mice (blood: slope=19.89, r = 0.876; skeletal muscle: slope=2.80, r = 0.883; liver: slope=44.75, r = 0.717; kidney: slope=60.15, r = 0.960). Compared with Se2.7 group, the fasting blood glucose (FBG) levels of Se0.1 and Se0.3 group were decreased at week3 in db/db mice. Compared with control (Se0) group, the FBG levels of Se2.7 group were increased from week6 to week12 in db/m mice. The oral glucose tolerance test (OGTT) showed that the area under the curve (AUC) of Se0.3 group was lower than that of Se0.9 and Se2.7 group in db/m mice. Furthermore, compared with control group, the malondialdehyde (MDA) level in skeletal muscle of Se0.1 group was decreased, while that of Se2.7 group was increased in db/db mice; the glutathione peroxidase (GPx) activity in skeletal muscle of Se0.3, Se0.9 and Se2.7 group was increased both in db/db and db/m mice. For db/db mice, glucose-6-phosphatase catalytic (G6pc) expression of other groups were lower and fatty acid synthase (Fasn) expression of Se0.9 group were lower compared with Se0.3 group. For db/m mice, compared with Se0.3 group, (peroxisome proliferative activated receptor gamma coactivator 1 alpha) Pgc-1α expression of control and Se0.9 group were higher; (phosphoenolpyruvate carboxykinase 1) Pck1 expression of Se0.1, Se0.9, and Se2.7 group were higher. CONCLUSION Low dosages (0.1 and 0.3 mg/kg) of Se supplementation exerted beneficial effects on FBG levels and glucose tolerance through regulating hepatic glycolysis and gluconeogenesis and inhibit the oxidative stress while high dosages of Se (0.9 and 2.7 mg/kg) supplementation enhanced FBG levels, impaired glucose tolerance and aggravate oxidative stress.
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Affiliation(s)
- Xiaxia Cai
- School of Public Health, Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing 100069, PR China; Department of Nutrition and Food Hygiene, School of Public Health, Capital Medical University, Beijing 100069, PR China
| | - Zhuo Hu
- School of Public Health, Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing 100069, PR China; Department of Nutrition and Food Hygiene, School of Public Health, Capital Medical University, Beijing 100069, PR China
| | - Mingyuan Zhang
- School of Public Health, Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing 100069, PR China; Department of Nutrition and Food Hygiene, School of Public Health, Capital Medical University, Beijing 100069, PR China; China National Center for Food Safety Risk Assessment, Beijing 100022, PR China
| | - Qinyu Dang
- School of Public Health, Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing 100069, PR China; Department of Nutrition and Food Hygiene, School of Public Health, Capital Medical University, Beijing 100069, PR China
| | - Qian Yang
- School of Public Health, Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing 100069, PR China; Department of Nutrition and Food Hygiene, School of Public Health, Capital Medical University, Beijing 100069, PR China
| | - Xiaoyan Zhao
- School of Public Health, Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing 100069, PR China; Department of Nutrition and Food Hygiene, School of Public Health, Capital Medical University, Beijing 100069, PR China
| | - Yandi Zhu
- School of Public Health, Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing 100069, PR China; Department of Nutrition and Food Hygiene, School of Public Health, Capital Medical University, Beijing 100069, PR China
| | - Yadi Zhang
- School of Public Health, Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing 100069, PR China; Department of Nutrition and Food Hygiene, School of Public Health, Capital Medical University, Beijing 100069, PR China
| | - Yuchen Wei
- School of Public Health, Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing 100069, PR China; Department of Nutrition and Food Hygiene, School of Public Health, Capital Medical University, Beijing 100069, PR China
| | - Haiqin Fang
- China National Center for Food Safety Risk Assessment, Beijing 100022, PR China.
| | - Huanling Yu
- School of Public Health, Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing 100069, PR China; Department of Nutrition and Food Hygiene, School of Public Health, Capital Medical University, Beijing 100069, PR China.
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15
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Xie D, Yan J, Zhang H, Zhang H, Nie G, Zhu X, Li X. Cadmium exacerbates liver injury by remodeling ceramide metabolism: Multiomics and laboratory evidence. Sci Total Environ 2024; 923:171405. [PMID: 38432385 DOI: 10.1016/j.scitotenv.2024.171405] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/12/2024] [Revised: 02/15/2024] [Accepted: 02/29/2024] [Indexed: 03/05/2024]
Abstract
Cadmium (Cd) is a toxic heavy metal that primarily targets the liver. Cd exposure disrupts specific lipid metabolic pathways; however, the underlying mechanisms remain unclear. This study aimed to investigate the lipidomic characteristics of rat livers after Cd exposure as well as the potential mechanisms of Cd-induced liver injury. Our analysis of established Cd-exposed rat and cell models showed that Cd exposure resulted in liver lipid deposition and hepatocyte damage. Lipidomic detection, transcriptome sequencing, and experimental analyses revealed that Cd mainly affects the sphingolipid metabolic pathway and that the changes in ceramide metabolism are the most significant. In vitro experiments revealed that the inhibition of ceramide synthetase activity or activation of ceramide decomposing enzymes ameliorated the proapoptotic and pro-oxidative stress effects of Cd, thereby alleviating liver injury. In contrast, the exogenous addition of ceramide aggravated liver injury. In summary, Cd increased ceramide levels by remodeling ceramide synthesis and catabolism, thereby promoting hepatocyte apoptosis and oxidative stress and ultimately aggravating liver injury. Reducing ceramide levels can serve as a potential protective strategy to mitigate the liver toxicity of Cd. This study provides new evidence for understanding Cd-induced liver injury at the lipidomic level and insights into the health risks and toxicological mechanisms associated with Cd.
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Affiliation(s)
- Danna Xie
- The First Clinical Medical College of Lanzhou University, Lanzhou 730000, China
| | - Jun Yan
- The First Clinical Medical College of Lanzhou University, Lanzhou 730000, China
| | - Honglong Zhang
- The First Clinical Medical College of Lanzhou University, Lanzhou 730000, China
| | - Haijun Zhang
- Department of Anesthesiology, the First Hospital of Lanzhou University, Lanzhou 730000, China
| | - Guole Nie
- The First Clinical Medical College of Lanzhou University, Lanzhou 730000, China
| | - Xingwang Zhu
- The First Clinical Medical College of Lanzhou University, Lanzhou 730000, China
| | - Xun Li
- The First Clinical Medical College of Lanzhou University, Lanzhou 730000, China; Department of General Surgery, the First Hospital of Lanzhou University, Lanzhou 730000, China; Key Laboratory of Biotherapy and Regenerative Medicine of Gansu Province, Lanzhou 730000, China; Center for Cancer Prevention and Treatment, School of Medicine, Lanzhou University, Lanzhou 730000, China; Gansu Provincial Institute of Hepatobiliary and Pancreatic Surgery, Lanzhou 730000, China.
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16
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Melo N, de Souza SP, Konig I, de Jesus Paula DA, Ferreira IS, Luz RK, Murgas LDS. Sensitivity of different organs and tissues as biomarkers of oxidative stress in juvenile tambaqui (Colossoma macropomum) submitted to fasting. Comp Biochem Physiol A Mol Integr Physiol 2024; 291:111595. [PMID: 38316170 DOI: 10.1016/j.cbpa.2024.111595] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2023] [Revised: 01/16/2024] [Accepted: 02/02/2024] [Indexed: 02/07/2024]
Abstract
The present study was conducted to evaluate the effects of fasting on responses of oxidative biomarkers and antioxidant defenses using different organs and tissues of Colossoma macropomum. The fish were divided into two groups: fed (control) and fasting (7 days). After 7 days, the fish were sampled for assessment of oxidative stress biomarkers (MDA-lipid peroxidation and PCO-protein carbonyl) and antioxidant defenses (SOD-superoxide dismutase; CAT-catalase; GPX-glutathione peroxidase; and GST-glutathione-S -transferase) in the liver, intestine, gills, muscle, brain, and plasma. The results showed an increase in MDA, PCO, SOD, and GPX concentrations in the liver and intestine of fasting fish. In contrast, in the branchial tissue, there was a reduction in the activity of SOD and CAT enzymes in fasting fish. There was also a reduction in CAT activity in the muscle of fasting fish, while in the brain, there were no changes in oxidative stress biomarkers. Plasma showed a relatively low antioxidant response. In conclusion, our results confirm that a 7-day fasting period induced tissue-specific antioxidant responses, but the increase in antioxidant responses was only for the SOD and GPX enzymes of the liver and intestine. Additionally, the liver and intestine were the most responsive tissues, whereas the plasma was the least sensitive to oxidative stress.
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Affiliation(s)
- Naiara Melo
- Department of Animal Science, Federal University of Lavras, UFLA, Lavras, Minas Gerais, Brazil
| | | | - Isaac Konig
- Faculty of Animal Science and Veterinary Medicine, Federal University of Lavras, UFLA, Lavras, Minas Gerais, CEP 37200-900, Brazil; Department of Chemistry, Federal University of Lavras, UFLA, Lavras, Minas Gerais, Brazil
| | | | - Isabela Simas Ferreira
- Department of Animal Science, Federal University of Lavras, UFLA, Lavras, Minas Gerais, Brazil
| | - Ronald Kennedy Luz
- Universidade Federal de Minas Gerais, Departamento de Zootecnia, Laboratório de, Aquacultura, Avenida Antônio Carlos, 6627, zip code 30161-970, Belo Horizonte, Minas Gerais, Brazil
| | - Luis David Solis Murgas
- Department of Animal Science, Federal University of Lavras, UFLA, Lavras, Minas Gerais, Brazil; Faculty of Animal Science and Veterinary Medicine, Federal University of Lavras, UFLA, Lavras, Minas Gerais, CEP 37200-900, Brazil.
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Usha Satheesan S, Chowdhury S, Kolthur-Seetharam U. Metabolic and circadian inputs encode anticipatory biogenesis of hepatic fed microRNAs. Life Sci Alliance 2024; 7:e202302180. [PMID: 38408795 PMCID: PMC10897495 DOI: 10.26508/lsa.202302180] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Revised: 02/13/2024] [Accepted: 02/13/2024] [Indexed: 02/28/2024] Open
Abstract
Starvation and refeeding are mostly unanticipated in the wild in terms of duration, frequency, and nutritional value of the refed state. Notwithstanding this, organisms mount efficient and reproducible responses to restore metabolic homeostasis. Hence, it is intuitive to invoke expectant molecular mechanisms that build anticipatory responses to enable physiological toggling during fed-fast cycles. In this regard, we report anticipatory biogenesis of oscillatory hepatic microRNAs that peak during a fed state and inhibit starvation-responsive genes. Our results clearly demonstrate that the levels of primary and precursor microRNA transcripts increase during a fasting state, in anticipation of a fed response. We delineate the importance of both metabolic and circadian cues in orchestrating hepatic fed microRNA homeostasis in a physiological setting. Besides illustrating metabo-endocrine control, our findings provide a mechanistic basis for the overarching influence of starvation on anticipatory biogenesis. Importantly, by using pharmacological agents that are widely used in clinics, we point out the high potential of interventions to restore homeostasis of hepatic microRNAs, whose deregulated expression is otherwise well established to cause metabolic diseases.
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Affiliation(s)
- Sandra Usha Satheesan
- https://ror.org/03ht1xw27 Department of Biological Sciences, Tata Institute of Fundamental Research, Mumbai, India
| | - Shreyam Chowdhury
- https://ror.org/03ht1xw27 Department of Biological Sciences, Tata Institute of Fundamental Research, Mumbai, India
| | - Ullas Kolthur-Seetharam
- https://ror.org/03ht1xw27 Department of Biological Sciences, Tata Institute of Fundamental Research, Mumbai, India
- https://ror.org/03ht1xw27 Tata Institute of Fundamental Research- Hyderabad (TIFR-H), Hyderabad, India
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18
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Aliu C, Ajayi OO, Olawuyi TS, Gbadamosi OK, Barbosa F, Adedire CO, Adeyemi JA. Tissue Accumulation, Cytotoxicity, Oxidative Stress, and Immunotoxicity in African Catfish, Clarias gariepinus Exposed to Sublethal Concentrations of Hexavalent Chromium. Biol Trace Elem Res 2024; 202:2294-2307. [PMID: 37608130 DOI: 10.1007/s12011-023-03812-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/08/2023] [Accepted: 08/09/2023] [Indexed: 08/24/2023]
Abstract
Hexavalent chromium (Cr6+) is one of the stable oxidation states of chromium that has been reported to elicit various toxic effects in aquatic organisms. However, the mechanisms of Cr6+ toxicity are still poorly understood. Thus, the present study investigated the tissue accumulation, cytotoxic, oxidative stress, and immunotoxic effects of Cr6+ in juvenile Clarias gariepinus. The fish were exposed to waterborne Cr6+ concentrations (0, 0.42, 0.84, and 1.68 mg/L) for 28 days, after which they were sacrificed and various organs were harvested for the determination of Cr6+ levels. Other parameters that were indicators of oxidative stress, cytotoxicity, and immunotoxicity were measured. Cr6+ accumulated more in the kidney and liver of the exposed fish, especially at the highest concentration. The levels of lipid peroxidation and DNA fragmentation increased significantly in the exposed fish. The activities of superoxide dismutase and lactate dehydrogenase increased significantly in exposed fish compared to the control. The total white blood cells, lymphocytes, and neutrophils counts were significantly higher in the exposed fish compared to the control fish. The respiratory burst activity decreased significantly in the exposed fish while the myeloperoxidase content did not differ significantly. There were upregulations of TNF-α and HSP 70 while CYP II and MHC 2 were downregulated in the exposed fish. Also, exposure to Cr6+ resulted in various histopathological alterations in the architecture of the head kidney. The results indicate concentration-dependent toxic effects of Cr6+ in C. gariepinus. The study reveals the potentials of Cr6+ to accumulate in the different tissues of fish and caused cytotoxic, oxidative stress, and immunotoxic effects in the exposed fish.
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Affiliation(s)
- Christian Aliu
- Department of Biology, School of Life Sciences, Federal University of Technology, P.M.B. 704, Akure, Ondo State, Nigeria
| | - Ogooluwa O Ajayi
- Department of Biology, School of Life Sciences, Federal University of Technology, P.M.B. 704, Akure, Ondo State, Nigeria
| | - Toluwase S Olawuyi
- Department of Human Anatomy, School of Basic Medical Sciences, Federal University of Technology, P.M.B. 704, Akure, Ondo State, Nigeria
| | - Oluyemi K Gbadamosi
- Department of Fisheries and Aquaculture Technology, School of Agriculture and Agricultural Technology, Federal University of Technology, P.M.B. 704, Akure, Ondo State, Nigeria
| | - Fernando Barbosa
- Department of Clinical Analyses, Toxicology and Food Sciences, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Avenida do Cafe´ s/no, CEP 14040-903 Ribeirão Preto, São Paulo, Brazil
| | - Chris O Adedire
- Department of Biology, School of Life Sciences, Federal University of Technology, P.M.B. 704, Akure, Ondo State, Nigeria
| | - Joseph A Adeyemi
- Department of Biology, School of Life Sciences, Federal University of Technology, P.M.B. 704, Akure, Ondo State, Nigeria.
- Department of Clinical Analyses, Toxicology and Food Sciences, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Avenida do Cafe´ s/no, CEP 14040-903 Ribeirão Preto, São Paulo, Brazil.
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Zhang X, Cao J, Chen J, Wang G, Li L, Wei X, Zhang R. Combined Effects of Fluoride and Dietary Seleno-L-Methionine at Environmentally Relevant Concentrations on Female Zebrafish (Danio rerio) Liver: Histopathological Damages, Oxidative Stress and Inflammation. Biol Trace Elem Res 2024; 202:2314-2326. [PMID: 37682395 DOI: 10.1007/s12011-023-03837-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/05/2023] [Accepted: 08/29/2023] [Indexed: 09/09/2023]
Abstract
Fluoride, a global environmental pollutant, is ubiquitous in aquatic environments and coexists with selenium, which can cause complex effects on exposed organisms. However, data on the interaction of fluoride and selenium remain scarce. In this study, female zebrafish (Danio rerio) were exposed to fluoride (80 mg/L sodium fluoride) and/or dietary selenomethionine (Se-Met) for 30, 60 and 90 days, the effects on the liver of zebrafish were investigated. The results indicated that an increase in fluoride burden, inhibited growth and impaired liver morphology were recorded after fluoride exposure. Furthermore, fluoride alone caused oxidative stress and inflammation in the liver, as reflected by the increase in ROS and MDA contents, the reduction of anti-oxidative enzymes, the altered immune related enzymes (ACP, AKP, LZM and MPO) and the expression of IL-6, IL-1β, TNF-α, IL-10 and TGF-β. In contrast, co-exposure to fluoride and Se-Met decreased fluoride burden and restored growth. Furthermore, dietary Se-Met alleviated oxidative stress, inflammation and impaired morphology in liver trigger by fluoride. However, dietary Se-Met alone increased the activities of SOD and CAT. These results demonstrate that the protective effect of dietary Se-Met against chronic fluoride toxicity at a certain level.
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Affiliation(s)
- Xiulin Zhang
- College of Veterinary Medicine, Shanxi Agricultural University, Taigu, 030801, Shanxi, China
- College of Animal Science and Veterinary Medicine, Henan Institute of Science and Technology, Xinxiang, 453003, Henan, China
| | - Jinling Cao
- College of Food Science and Technology, Shanxi Agricultural University, Taigu, 030801, Shanxi, China.
| | - Jianjie Chen
- College of Veterinary Medicine, Shanxi Agricultural University, Taigu, 030801, Shanxi, China.
| | - Guodong Wang
- School of Biology and Food Engineering, Anyang Institute of Technology, Anyang, 455000, Henan, China
| | - Lijuan Li
- College of Food and Environment, Jinzhong College of Information, Taigu, 030801, Shanxi, China
| | - Xiaobing Wei
- College of Animal Science and Veterinary Medicine, Henan Institute of Science and Technology, Xinxiang, 453003, Henan, China
| | - Runxiao Zhang
- College of Animal Science and Veterinary Medicine, Henan Institute of Science and Technology, Xinxiang, 453003, Henan, China
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20
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Hassan R, Hobloss Z, Myllys M, González D, Begher-Tibbe B, Reinders J, Friebel A, Hoehme S, Abdelmageed N, Abbas AA, Seddek AL, Morad SAF, Hengstler JG, Ghallab A. Acetaminophen overdose causes a breach of the blood-bile barrier in mice but not in rats. Arch Toxicol 2024; 98:1533-1542. [PMID: 38466352 DOI: 10.1007/s00204-024-03705-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Accepted: 02/08/2024] [Indexed: 03/13/2024]
Abstract
Acetaminophen (APAP) is known to cause a breach of the blood-bile barrier in mice that, via a mechanism called futile bile acid (BA) cycling, increases BA concentrations in hepatocytes above cytotoxic thresholds. Here, we compared this mechanism in mice and rats, because both species differ massively in their susceptibility to APAP and compared the results to available human data. Dose and time-dependent APAP experiments were performed in male C57BL6/N mice and Wistar rats. The time course of BA concentrations in liver tissue and in blood was analyzed by MALDI-MSI and LC-MS/MS. APAP and its derivatives were measured in the blood by LC-MS. APAP-induced liver damage was analyzed by histopathology, immunohistochemistry, and by clinical chemistry. In mice, a transient increase of BA in blood and in peri-central hepatocytes preceded hepatocyte death. The BA increase coincided with oxidative stress in liver tissue and a compromised morphology of bile canaliculi and immunohistochemically visualized tight junction proteins. Rats showed a reduced metabolic activation of APAP compared to mice. However, even at very high doses that caused cell death of hepatocytes, no increase of BA concentrations was observed neither in liver tissue nor in the blood. Correspondingly, no oxidative stress was detectable, and the morphology of bile canaliculi and tight junction proteins remained unaltered. In conclusion, different mechanisms cause cell death in rats and mice, whereby oxidative stress and a breach of the blood-bile barrier are seen only in mice. Since transient cholestasis also occurs in human patients with APAP overdose, mice are a clinically relevant species to study APAP hepatotoxicity but not rats.
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Affiliation(s)
- Reham Hassan
- Department of Toxicology, Leibniz Research Centre for Working Environment and Human Factors, Technical University Dortmund, Ardeystr. 67, 44139, Dortmund, Germany
- Department of Forensic Medicine and Toxicology, Faculty of Veterinary Medicine, South Valley University, Qena, 83523, Egypt
| | - Zaynab Hobloss
- Department of Toxicology, Leibniz Research Centre for Working Environment and Human Factors, Technical University Dortmund, Ardeystr. 67, 44139, Dortmund, Germany
| | - Maiju Myllys
- Department of Toxicology, Leibniz Research Centre for Working Environment and Human Factors, Technical University Dortmund, Ardeystr. 67, 44139, Dortmund, Germany
| | - Daniela González
- Department of Toxicology, Leibniz Research Centre for Working Environment and Human Factors, Technical University Dortmund, Ardeystr. 67, 44139, Dortmund, Germany
| | - Brigitte Begher-Tibbe
- Department of Toxicology, Leibniz Research Centre for Working Environment and Human Factors, Technical University Dortmund, Ardeystr. 67, 44139, Dortmund, Germany
| | - Joerg Reinders
- Department of Toxicology, Leibniz Research Centre for Working Environment and Human Factors, Technical University Dortmund, Ardeystr. 67, 44139, Dortmund, Germany
| | - Adrian Friebel
- Institute of Computer Science &, Saxonian Incubator for Clinical Research (SIKT), University of Leipzig, Haertelstraße 16-18, 04107, Leipzig, Germany
| | - Stefan Hoehme
- Institute of Computer Science &, Saxonian Incubator for Clinical Research (SIKT), University of Leipzig, Haertelstraße 16-18, 04107, Leipzig, Germany
| | - Noha Abdelmageed
- Department of Pharmacology, Faculty of Veterinary Medicine, Sohag University, Sohag, 82524, Egypt
| | - Aya A Abbas
- Department of Forensic Medicine and Toxicology, Faculty of Veterinary Medicine, South Valley University, Qena, 83523, Egypt
| | - Abdel-Latief Seddek
- Department of Forensic Medicine and Toxicology, Faculty of Veterinary Medicine, South Valley University, Qena, 83523, Egypt
| | - Samy A F Morad
- Department of Pharmacology, Faculty of Veterinary Medicine, South Valley University, Qena, 83523, Egypt
| | - Jan G Hengstler
- Department of Toxicology, Leibniz Research Centre for Working Environment and Human Factors, Technical University Dortmund, Ardeystr. 67, 44139, Dortmund, Germany.
| | - Ahmed Ghallab
- Department of Toxicology, Leibniz Research Centre for Working Environment and Human Factors, Technical University Dortmund, Ardeystr. 67, 44139, Dortmund, Germany.
- Department of Forensic Medicine and Toxicology, Faculty of Veterinary Medicine, South Valley University, Qena, 83523, Egypt.
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Lu N, Mei X, Li X, Tang X, Yang G, Xiang W. Preventive effects of caffeine on nicotine plus high-fat diet-induced hepatic steatosis and gain weight: a possible explanation for why obese smokers with high coffee consumption tend to be leaner. Br J Nutr 2024; 131:1342-1351. [PMID: 38149470 DOI: 10.1017/s0007114523002969] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2023]
Abstract
Non-alcoholic fatty liver disease (NAFLD) is a prevalent liver disorder, affecting approximately 25 % of the population. Coffee-drinking obese smokers exhibit lower body weights and decreased NAFLD rates, but the reasons behind this remain unclear. Additionally, the effect of nicotine, the main component of tobacco, on the development of NAFLD is still controversial. Our study aimed to explore the possible reasons that drinking coffee could alleviate NAFLD and gain weight and identify the real role of nicotine in NAFLD of obese smokers. A NAFLD model in mice was induced by administering nicotine and a high-fat diet (HFD). We recorded changes in body weight and daily food intake, measured the weights of the liver and visceral fat, and observed liver and adipose tissue histopathology. Lipid levels, liver function, liver malondialdehyde (MDA), superoxide dismutase (SOD), serum inflammatory cytokine levels and the expression of hepatic genes involved in lipid metabolism were determined. Our results demonstrated that nicotine exacerbated the development of NAFLD and caffeine had a hepatoprotective effect on NAFLD. The administration of caffeine could ameliorate nicotine-plus-HFD-induced NAFLD by reducing lipid accumulation, regulating hepatic lipid metabolism, alleviating oxidative stress, attenuating inflammatory response and restoring hepatic functions. These results might explain why obese smokers with high coffee consumption exhibit the lower incidence rate of NAFLD and tend to be leaner. It is essential to emphasise that the detrimental impact of smoking on health is multifaceted. Smoking cessation remains the sole practical and effective strategy for averting the tobacco-related complications and reducing the risk of mortality.
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Affiliation(s)
- Naiyan Lu
- School of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China
| | - Xue Mei
- School of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China
| | - Xu Li
- School of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China
| | - Xue Tang
- School of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China
| | - Guofeng Yang
- School of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China
| | - Wen Xiang
- School of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China
- School of Medicine, Nankai University, Tianjin, People's Republic of China
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Huang C, Yu X, Shi C, Wang M, Li A, Wang F. Pyrroloquinoline quinone supplementation attenuates inflammatory liver injury by STAT3/TGF-β1 pathway in weaned piglets challenged with lipopolysaccharide. Br J Nutr 2024; 131:1352-1361. [PMID: 38155410 DOI: 10.1017/s0007114523002970] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2023]
Abstract
This study is aimed to evaluate the effect and underling mechanism of dietary supplementation with pyrroloquinoline quinone (PQQ) disodium on improving inflammatory liver injury in piglets challenged with lipopolysaccharide (LPS). A total of seventy-two crossbred barrows were allotted into four groups as follows: the CTRL group (basal diet + saline injection); the PQQ group (3 mg/kg PQQ diet + saline injection); the CTRL + LPS group (basal diet + LPS injection) and the PQQ + LPS group (3 mg/kg PQQ diet + LPS injection). On days 7, 11 and 14, piglets were challenged with LPS or saline. Blood was sampled at 4 h after the last LPS injection (day 14), and then the piglets were slaughtered and liver tissue was harvested. The results showed that the hepatic morphology was improved in the PQQ + LPS group compared with the CTRL + LPS group. PQQ supplementation decreased the level of serum inflammatory factors, aspartate aminotransferase and alanine transaminase, and increased the HDL-cholesterol concentration in piglets challenged with LPS; piglets in the PQQ + LPS group had lower liver mRNA level of inflammatory factors and protein level of α-smooth muscle actin than in the CTRL + LPS group. Besides, mRNA expression of STAT3/TGF-β1 pathway and protein level of p-STAT3(Tyr 705) were decreased, and mRNA level of PPARα and protein expression of p-AMPK in liver were increased in the PQQ + LPS group compared with the CTRL + LPS group (P < 0·05). In conclusion, dietary supplementation with PQQ alleviated inflammatory liver injury might partly via inhibition of the STAT3/TGF-β1 pathway in piglets challenged with LPS.
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Affiliation(s)
- Caiyun Huang
- College of Animal Science, Fujian Agriculture and Forestry University, Fuzhou350002, People's Republic of China
| | - Xuanci Yu
- College of Animal Science, Fujian Agriculture and Forestry University, Fuzhou350002, People's Republic of China
| | - Chenyu Shi
- State Key Lab of Animal Nutrition, College of Animal Science & Technology, China Agricultural University, Beijing100193, People's Republic of China
| | - Mengshi Wang
- College of Animal Science, Fujian Agriculture and Forestry University, Fuzhou350002, People's Republic of China
| | - Ang Li
- College of Animal Science, Fujian Agriculture and Forestry University, Fuzhou350002, People's Republic of China
| | - Fenglai Wang
- State Key Lab of Animal Nutrition, College of Animal Science & Technology, China Agricultural University, Beijing100193, People's Republic of China
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Shang S, Wan Q, Chen F, Hu J. Co-targeting ASK1 and THRβ synergistically improves steatohepatitis and fibrosis in a MASH animal model. Biochem Biophys Res Commun 2024; 705:149739. [PMID: 38460439 DOI: 10.1016/j.bbrc.2024.149739] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2024] [Revised: 02/26/2024] [Accepted: 02/27/2024] [Indexed: 03/11/2024]
Abstract
PURPOSE Metabolic dysfunction-associated steatohepatitis (MASH) is a liver disease that has gained widespread attention globally. Unfortunately, there is no approved treatment for this condition yet. However, recent research has identified Apoptosis signal-regulating kinase 1 (ASK1) and thyroid hormone receptor-β (THR-β) as potential targets for treating MASH. Although the individual effects of these two targets have been studied, their combinatory effect has not been well defined. Therefore, further research is needed to investigate the potential benefits of targeting both ASK1 and THR-β for treating MASH. METHODS We established a MASH model using the HFHFrC diet (high fat, high fructose, and cholesterol) and carbon tetrachloride (CCL4). Forty mice were evenly assigned to four groups: vehicle, GS4997 (an ASK1 inhibitor), MGL3196 (a THRβ agonist), GS4997+ MGL3196 combination (combo). The drugs were administered for 8 weeks, after which the mice were sacrificed for serum biochemical tests, liver TG and TC evaluation, liver histopathological study, and gene expression validation. RESULTS GS4997 and MGL3196, when used in combination, have been shown to have synergistic effects on various parameters. Firstly, they synergistically reduced body weight and liver body weight ratio. Secondly, this combination also synergistically lowered AST and TC. Thirdly, synergistic effects were also observed in liver TG and TC reduction. Fourthly, we further confirmed that GS4997 mildly improved liver inflammation, ballooning, and fibrosis, but exhibited incredible histopathological efficacy when combined with MGL3196. Finally, this combinatory effect can be interpreted by synergistically regulating lipid-related genes such as Dio1, Ctp1-α, and Cat, inflammation-related genes such as Il-6, Il-8, and Mcp-1, and fibrosis-related genes such as Tgf-β, Col1α1, and Col6α3. CONCLUSION GS4997 and MGL3196, when used in combination, have been shown to have a comprehensive effect on MASH by synergistically regulating lipid, inflammation, and fibrosis-related gene expression through co-targeting ASK1 and THRβ.
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Affiliation(s)
- Shu Shang
- Department of Geriatrics, Jiangxi Provincial People's Hospital, The First Affiliated Hospital of Nanchang Medical College, Nanchang, 330006, Jiangxi, China.
| | - Qin Wan
- Department of Geriatrics, Jiangxi Provincial People's Hospital, The First Affiliated Hospital of Nanchang Medical College, Nanchang, 330006, Jiangxi, China
| | - Faxiu Chen
- Department of Geriatrics, Jiangxi Provincial People's Hospital, The First Affiliated Hospital of Nanchang Medical College, Nanchang, 330006, Jiangxi, China
| | - Jian Hu
- Department of Geriatrics, Jiangxi Provincial People's Hospital, The First Affiliated Hospital of Nanchang Medical College, Nanchang, 330006, Jiangxi, China
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Lv Y, Wang H, Zheng D, Shi M, Bi D, Hu Q, Zhi H, Lou D, Li J, Wei S, Hu Y. Environmental arsenic pollution induced liver oxidative stress injury by regulating miR-155 through inhibition of AUF1. Sci Total Environ 2024; 922:171237. [PMID: 38423337 DOI: 10.1016/j.scitotenv.2024.171237] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/24/2023] [Revised: 02/21/2024] [Accepted: 02/22/2024] [Indexed: 03/02/2024]
Abstract
Arsenic (As), a common environmental pollutant, has become a hot topic in recent years due to its potentially harmful effects. Liver damage being a central clinical feature of chronic arsenic poisoning. However, the underlying mechanisms remain unclear. We demonstrated that arsenic can lead to oxidative stress in the liver and result in structural and functional liver damage, significantly correlated with the expression of AUF1, Dicer1, and miR-155 in the liver. Interestingly, knockdown AUF1 promoted the up-regulatory effects of arsenic on Dicer1 and miR-155 and the inhibitory effects on SOD1, which exacerbated oxidative damage in rat liver. However, overexpression of AUF1 reversed the up-regulatory effects of arsenic on Dicer1 and miR-155, restored arsenic-induced SOD1 depletion, and attenuated liver oxidative stress injury. Further, we verified the mechanism and targets of miR-155 in regulating SOD1 by knockdown/overexpression of miR-155 and nonsense mutant SOD1 3'UTR experiments. In conclusion, these results powerfully demonstrate that arsenic inhibits AUF1 protein expression, which in turn reduces the inhibitory effect on Dicer1 expression, which promotes miR-155 to act on the SOD1 3'UTR region after high expression, thus inhibiting SOD1 protein expression and enzyme activity, and inducing liver injury. This finding provides a new perspective for the mechanism research and targeted prevention of arsenic poisoning, as well as scientific evidence for formulating strategies to prevent and control environmental arsenic pollution.
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Affiliation(s)
- Ying Lv
- Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, School of Public Health, Guizhou Medical University, Guiyang 561113, Guizhou, China
| | - Hongling Wang
- Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, School of Public Health, Guizhou Medical University, Guiyang 561113, Guizhou, China
| | - Dan Zheng
- Guiyang Maternity and Child Health Hospital, Guiyang 550003, Guizhou, China
| | - Mingyang Shi
- Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, School of Public Health, Guizhou Medical University, Guiyang 561113, Guizhou, China
| | - Dingnian Bi
- Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, School of Public Health, Guizhou Medical University, Guiyang 561113, Guizhou, China
| | - Qian Hu
- Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, School of Public Health, Guizhou Medical University, Guiyang 561113, Guizhou, China
| | - Haiyan Zhi
- Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, School of Public Health, Guizhou Medical University, Guiyang 561113, Guizhou, China
| | - Didong Lou
- Department of Forensic Medicine, Guizhou University of Traditional Chinese Medicine, Guiyang 550025, Guizhou, China; Key Laboratory of Traditional Chinese Medicine Toxicology in Forensic Medicine, Guizhou Education Department, Guiyang 550025, Guizhou, China
| | - Jun Li
- Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, School of Public Health, Guizhou Medical University, Guiyang 561113, Guizhou, China
| | - Shaofeng Wei
- Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, School of Public Health, Guizhou Medical University, Guiyang 561113, Guizhou, China
| | - Yong Hu
- Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, School of Public Health, Guizhou Medical University, Guiyang 561113, Guizhou, China.
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Peng J, Liang G, Li Y, Mao S, Zhang C, Wang Y, Li Z. Identification of a novel FOXO3 agonist that protects against alcohol induced liver injury. Biochem Biophys Res Commun 2024; 704:149690. [PMID: 38387326 DOI: 10.1016/j.bbrc.2024.149690] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Revised: 02/07/2024] [Accepted: 02/13/2024] [Indexed: 02/24/2024]
Abstract
Alcohol-related liver disease (ALD) is a global healthcare concern which caused by excessive alcohol consumption with limited treatment options. The pathogenesis of ALD is complex and involves in hepatocyte damage, hepatic inflammation, increased gut permeability and microbiome dysbiosis. FOXO3 is a well-recognized transcription factor which associated with longevity via promoting antioxidant stress response, preventing senescence and cell death, and inhibiting inflammation. We and many others have reported that FOXO3-/- mice develop more severe liver injury in response to alcohol. In the present study, we aimed to develop compounds that activate FOXO3 and further investigate their effects in alcohol induced liver injury. Through virtual screening, we discovered series of small molecular compounds that showed high affinity to FOXO3. We confirmed effects of compounds on FOXO3 target gene expression, as well as antioxidant and anti-apoptotic effects in vitro. Subsequently we evaluated the protective efficacy of compounds in alcohol induced liver injury in vivo. As a result, the leading compound we identified, 214991, activated downstream target genes expression of FOXO3, inhibited intracellular ROS accumulation and cell apoptosis induced by H2O2 and sorafenib. By using Lieber-DeCarli alcohol feeding mouse model, 214991 showed protective effects against alcohol-induced liver inflammation, macrophage and neutrophil infiltration, and steatosis. These findings not only reinforce the potential of FOXO3 as a valuable target for therapeutic intervention of ALD, but also suggested that compound 214991 as a promising candidate for the development of innovative therapeutic strategies of ALD.
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Affiliation(s)
- Jinying Peng
- The Key Laboratory of Study and Discovery of Small Targeted Molecules of Hunan Province, The Key Laboratory of Model Animals and Stem Cell Biology in Hunan Province and Department of Pharmacy, School of Medicine, Hunan Normal University, Hunan, 410013, China
| | - Gaoshuang Liang
- The Key Laboratory of Study and Discovery of Small Targeted Molecules of Hunan Province, The Key Laboratory of Model Animals and Stem Cell Biology in Hunan Province and Department of Pharmacy, School of Medicine, Hunan Normal University, Hunan, 410013, China
| | - Yaqi Li
- The National and Local Joint Engineering Laboratory of Animal Peptide Drug Development, College of Life Sciences, Hunan Normal University, Hunan, 410081, China; Institute of Interdisciplinary Studies, Hunan Normal University, Hunan, 410081, China; Peptide and Small Molecule Drug R&D Plateform, Furong Laboratory, Hunan Normal University, Hunan, 410081, China
| | - Siyu Mao
- The Key Laboratory of Study and Discovery of Small Targeted Molecules of Hunan Province, The Key Laboratory of Model Animals and Stem Cell Biology in Hunan Province and Department of Pharmacy, School of Medicine, Hunan Normal University, Hunan, 410013, China
| | - Chen Zhang
- The Key Laboratory of Study and Discovery of Small Targeted Molecules of Hunan Province, The Key Laboratory of Model Animals and Stem Cell Biology in Hunan Province and Department of Pharmacy, School of Medicine, Hunan Normal University, Hunan, 410013, China
| | - Ying Wang
- The National and Local Joint Engineering Laboratory of Animal Peptide Drug Development, College of Life Sciences, Hunan Normal University, Hunan, 410081, China; Institute of Interdisciplinary Studies, Hunan Normal University, Hunan, 410081, China; Peptide and Small Molecule Drug R&D Plateform, Furong Laboratory, Hunan Normal University, Hunan, 410081, China.
| | - Zhuan Li
- The Key Laboratory of Study and Discovery of Small Targeted Molecules of Hunan Province, The Key Laboratory of Model Animals and Stem Cell Biology in Hunan Province and Department of Pharmacy, School of Medicine, Hunan Normal University, Hunan, 410013, China.
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Song WJ, Cheon DH, Song H, Jung D, Chan Park H, Yeong Hwang J, Choi HJ, NamKoong C. Activation of ChAT+ neuron in dorsal motor vagus (DMV) increases blood glucose through the regulation of hepatic gene expression in mice. Brain Res 2024; 1829:148770. [PMID: 38266888 DOI: 10.1016/j.brainres.2024.148770] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Revised: 01/10/2024] [Accepted: 01/13/2024] [Indexed: 01/26/2024]
Abstract
The brain and peripheral organs communicate through hormones and neural connections. Proper communication is required to maintain normal whole-body energy homeostasis. In addition to endocrine system, from the perspective of neural connections for metabolic homeostasis, the role of the sympathetic nervous system has been extensively studied, but understanding of the parasympathetic nervous system is limited. The liver plays a central role in glucose and lipid metabolism. This study aimed to clarify the innervation of parasympathetic nervous system in the liver and its functional roles in metabolic homeostasis. The liver-specific parasympathetic nervous system innervation (PNS) was shown by tissue clearing, immunofluorescence and transgenic mice at the three-dimensional histological level. The parasympathetic efferent signals were manipulated using a chemogenetic technique and the activation of ChAT+ parasympathetic neurons in dorsal motor vagus (DMV) results in the increased blood glucose through the elevated hepatic gluconeogenic and lipogenic gene expression in the liver. Thus, our study showed the evidence of ChAT+ parasympathetic neurons in the liver and its role for hepatic parasympathetic nervous signaling in glucose homeostasis through the regulation of hepatic gene expression.
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Affiliation(s)
- Woo-Jin Song
- Functional Neuroanatomy of Metabolism Regulation Laboratory, Department of Anatomy, Division of Internal Medicine, Seoul National University College of Medicine, Seoul, Republic of Korea; Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Deok-Hyeon Cheon
- Functional Neuroanatomy of Metabolism Regulation Laboratory, Department of Anatomy, Division of Internal Medicine, Seoul National University College of Medicine, Seoul, Republic of Korea; Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - HeeIn Song
- Functional Neuroanatomy of Metabolism Regulation Laboratory, Department of Anatomy, Division of Internal Medicine, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Daeun Jung
- Functional Neuroanatomy of Metabolism Regulation Laboratory, Department of Anatomy, Division of Internal Medicine, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Hae Chan Park
- Functional Neuroanatomy of Metabolism Regulation Laboratory, Department of Anatomy, Division of Internal Medicine, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Ju Yeong Hwang
- Functional Neuroanatomy of Metabolism Regulation Laboratory, Department of Anatomy, Division of Internal Medicine, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Hyung-Jin Choi
- Functional Neuroanatomy of Metabolism Regulation Laboratory, Department of Anatomy, Division of Internal Medicine, Seoul National University College of Medicine, Seoul, Republic of Korea; Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul, Republic of Korea; BK21Plus Biomedical Science Project Team, Seoul National University College of Medicine, Seoul, Republic of Korea; Wide River Institute of Immunology, Seoul National University College of Medicine, Hongchoen, Republic of Korea; Neuroscience Research Institute, Seoul National University College of Medicine, Seoul, Republic of Korea.
| | - Cherl NamKoong
- Functional Neuroanatomy of Metabolism Regulation Laboratory, Department of Anatomy, Division of Internal Medicine, Seoul National University College of Medicine, Seoul, Republic of Korea; Neuroscience Research Institute, Seoul National University College of Medicine, Seoul, Republic of Korea; Core Research Laboratory, Medical Science Institute, Kyung Hee University Hospital at Gangdong, Seoul 05278, Republic of Korea.
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27
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Chen H, Xin W, Jiang J, Shan A, Ma J. Low-dose deoxynivalenol exposure inhibits hepatic mitophagy and hesperidin reverses this phenomenon by activating SIRT1. J Hazard Mater 2024; 468:133854. [PMID: 38401214 DOI: 10.1016/j.jhazmat.2024.133854] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/03/2023] [Revised: 02/11/2024] [Accepted: 02/19/2024] [Indexed: 02/26/2024]
Abstract
Deoxynivalenol (DON) is by far the most common mycotoxin contaminating cereal foods and feeds. Furthermore, cleaning up DON from contaminated cereal items is challenging. Low-dose DON consumption poses a danger to humans and agricultural animals. The benefits of hesperidin (HDN) include liver protection, anti-oxidative stress, nontoxicity, and a broad range of sources. The study used immunoblotting, immunofluorescence, and transmission electron microscopy to identify factors associated with mitophagy in vitro and in vivo. We demonstrated that low-dose DON exposure inhibited mitophagy in the liver tissue of mice. SIRT1 was a crucial regulator of mitophagy. Moreover, DON stimulated the dephosphorylation of SIRT1 and the acetylation-regulated FOXO3 protein, which resulted in the transcriptional inhibition of FOXO3-driven BNIP3 and compromised the stability of the PINK1 protein mediated by BNIP3. Moreover, HDN's effect was comparable to that of a SIRT1 agonist, which led to a significant decrease in the level of mitophagy inhibition caused by low-dose DON exposure. When combined, these findings suggested that HDN might be a useful treatment approach for liver damage brought on by low-dose DON exposure. Above all, this research will offer fresh perspectives on a viable approach that will encourage further research into risk reduction initiatives for low-dose DON exposure.
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Affiliation(s)
- Hao Chen
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, PR China; College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China
| | - Wang Xin
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China
| | - Junze Jiang
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China
| | - Anshan Shan
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, PR China
| | - Jun Ma
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China.
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Cho W, Oh H, Abd El-Aty AM, Özten Ö, Jeong JH, Jung TW. Interleukin-27 as a novel player in alleviating hepatic steatosis: Mechanistic insights from an in vitro analysis. Biochem Biophys Res Commun 2024; 703:149671. [PMID: 38367515 DOI: 10.1016/j.bbrc.2024.149671] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2024] [Revised: 02/05/2024] [Accepted: 02/09/2024] [Indexed: 02/19/2024]
Abstract
Interleukin-27 (IL-27) is a recently discovered cytokine that has been implicated in inflammatory and metabolic conditions, such as atherosclerosis and insulin resistance. However, the mechanisms by which IL-27 attenuates hepatic lipid accumulation in hyperlipidemic conditions and counteracts endoplasmic reticulum (ER) stress, a known risk factor for impaired hepatic lipid metabolism, have not been elucidated. This in vitro study was designed to examine the effect of IL-27 on hepatic lipid metabolism. The study included the evaluation of lipogenesis-associated proteins and ER stress markers by Western blotting, the determination of hepatic lipid accumulation by Oil Red O staining, and the examination of autophagosome formation by MDC staining. The results showed that IL-27 treatment reduced lipogenic lipid deposition and the expression of ER stress markers in cultured hepatocytes exposed to palmitate. Moreover, treatment with IL-27 suppressed CD36 expression and enhanced fatty acid oxidation in palmitate-treated hepatocytes. The effects of IL-27 on hyperlipidemic hepatocytes were attenuated when adenosine monophosphate-activated protein kinase (AMPK) or 3-methyladenine (3 MA) were inhibited by small interfering RNA (siRNA). These results suggest that IL-27 attenuates hepatic ER stress and fatty acid uptake and stimulates fatty acid oxidation via AMPK/autophagy signaling, thereby alleviating hepatic steatosis. In conclusion, this study identified IL-27 as a promising therapeutic target for nonalcoholic fatty liver disease (NAFLD).
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Affiliation(s)
- Wonjun Cho
- Department of Pharmacology, College of Medicine, Chung-Ang University, Seoul, Republic of Korea
| | - Heeseung Oh
- Department of Pharmacology, College of Medicine, Chung-Ang University, Seoul, Republic of Korea
| | - A M Abd El-Aty
- Department of Pharmacology, Faculty of Veterinary Medicine, Cairo University, 12211, Giza, Egypt; Department of Medical Pharmacology, Medical Faculty, Ataturk University, 25240 Erzurum, Turkey.
| | - Ömer Özten
- Department of Pharmacy Services, Vocational School of Health Services, Bayburt University, Bayburt, 69010, Turkey
| | - Ji Hoon Jeong
- Department of Pharmacology, College of Medicine, Chung-Ang University, Seoul, Republic of Korea; Department of Global Innovative Drugs, Graduate School of Chung-Ang University, Seoul, Republic of Korea
| | - Tae Woo Jung
- Department of Pharmacology, College of Medicine, Chung-Ang University, Seoul, Republic of Korea.
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Wei G, Huang N, Li M, Guan F, Chen L, Liao Y, Xie X, Li Y, Su Z, Chen J, Liu Y. Tetrahydroberberine alleviates high-fat diet-induced hyperlipidemia in mice via augmenting lipoprotein assembly-induced clearance of low-density lipoprotein and intermediate-density lipoprotein. Eur J Pharmacol 2024; 968:176433. [PMID: 38369273 DOI: 10.1016/j.ejphar.2024.176433] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2023] [Revised: 02/15/2024] [Accepted: 02/15/2024] [Indexed: 02/20/2024]
Abstract
The promotion of excess low-density lipoprotein (LDL) clearance stands as an effective clinical approach for treating hyperlipidemia. Tetrahydroberberine, a metabolite of berberine, exhibits superior bioavailability compared to berberine and demonstrates a pronounced hypolipidemic effect. Despite these characteristics, the impact of tetrahydroberberine on improving excessive LDL clearance in hyperlipidemia has remained unexplored. Thus, this study investigates the potential effects of tetrahydroberberine on high-fat diet-induced hyperlipidemia in mice. The findings reveal that tetrahydroberberine exerts a more potent lipid-lowering effect than berberine, particularly concerning LDL-cholesterol in hyperlipidemic mice. Notably, tetrahydroberberine significantly reduces serum levels of upstream lipoproteins, including intermediate-density lipoprotein (IDL) and very low-density lipoprotein, by promoting their conversion to LDL. This reduction is further facilitated by the upregulation of hepatic LDL receptor expression induced by tetrahydroberberine. Intriguingly, tetrahydroberberine enhances the apolipoprotein E (ApoE)/apolipoprotein B100 (ApoB100) ratio, influencing lipoprotein assembly in the serum. This effect is achieved through the activation of the efflux of ApoE-containing cholesterol in the liver. The ApoE/ApoB100 ratio exhibits a robust negative correlation with serum levels of LDL and IDL, indicating its potential as a diagnostic indicator for hyperlipidemia. Moreover, tetrahydroberberine enhances hepatic lipid clearance without inducing lipid accumulation in the liver and alleviates existing liver lipid content. Importantly, no apparent hepatorenal toxicity is observed following tetrahydroberberine treatment for hyperlipidemia. In summary, tetrahydroberberine demonstrates a positive impact against hyperlipidemia by modulating lipoprotein assembly-induced clearance of LDL and IDL. The ApoE/ApoB100 ratio emerges as a promising diagnostic indicator for hyperlipidemia, showcasing the potential clinical significance of tetrahydroberberine in lipid management.
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Affiliation(s)
- Guilan Wei
- School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China
| | - Ning Huang
- School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China
| | - Mengyao Li
- School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China
| | - Fengkun Guan
- School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China
| | - Liping Chen
- Faculty of Health Sciences, University of Macau, Macao, China
| | - Yingyi Liao
- School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China
| | - Xingyu Xie
- School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China
| | - Yucui Li
- School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China; Dongguan Institute of Guangzhou University of Chinese Medicine, Dongguan, 523808, China
| | - Ziren Su
- School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China; Dongguan Institute of Guangzhou University of Chinese Medicine, Dongguan, 523808, China
| | - Jiannan Chen
- School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China; Dongguan Institute of Guangzhou University of Chinese Medicine, Dongguan, 523808, China.
| | - Yuhong Liu
- School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China; Dongguan Institute of Guangzhou University of Chinese Medicine, Dongguan, 523808, China.
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Wu M, Tie M, Hu L, Yang Y, Chen Y, Ferguson D, Chen Y, He A. Fatty liver disease protective MTARC1 p.A165T variant reduces the protein stability of MTARC1. Biochem Biophys Res Commun 2024; 702:149655. [PMID: 38340654 PMCID: PMC10940201 DOI: 10.1016/j.bbrc.2024.149655] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2024] [Revised: 01/31/2024] [Accepted: 02/06/2024] [Indexed: 02/12/2024]
Abstract
Non-alcoholic fatty liver disease (NAFLD) is one of the most common causes of liver disease worldwide. MTARC1, encoded by the MTARC1 gene, is a mitochondrial outer membrane-anchored enzyme. Interestingly, the MTARC1 p.A165T (rs2642438) variant is associated with a decreased risk of NAFLD, indicating that MTARC1 might be an effective target. It has been reported that the rs2642438 variant does not have altered enzymatic activity so we reasoned that this variation may affect MTARC1 stability. In this study, MTARC1 mutants were generated and stability was assessed using a protein stability reporter system both in vitro and in vivo. We found that the MTARC1 p.A165T variant has dramatically reduced the stability of MTARC1, as assessed in several cell lines. In mice, the MTARC1 A168T mutant, the equivalent of human MTARC1 A165T, had diminished stability in mouse liver. Additionally, several MTARC1 A165 mutants, including A165S, A165 N, A165V, A165G, and A165D, had dramatically decreased stability as well, suggesting that the alanine residue of MTARC1 165 site is essential for MTARC1 protein stability. Collectively, our data indicates that the MTARC1 p.A165T variant (rs2642438) leads to reduced stability of MTARC1. Given that carriers of rs2642438 show a decreased risk of NAFLD, the findings herein support the notion that MTARC1 inhibition may be a therapeutic target to combat NAFLD.
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Affiliation(s)
- Mengyue Wu
- Department of Biochemistry and Molecular Biology, College of Basic Medical Science, Anhui Medical University, Hefei, 230032, Anhui, China
| | - Meng Tie
- Department of Biochemistry and Molecular Biology, College of Life Sciences, Anhui Medical University, Hefei, 230032, Anhui, China
| | - Liwei Hu
- Department of Biochemistry and Molecular Biology, College of Life Sciences, Anhui Medical University, Hefei, 230032, Anhui, China
| | - Yunzhi Yang
- Department of Biochemistry and Molecular Biology, College of Life Sciences, Anhui Medical University, Hefei, 230032, Anhui, China
| | - Yong Chen
- Department of Biochemistry and Molecular Biology, College of Life Sciences, Anhui Medical University, Hefei, 230032, Anhui, China
| | - Daniel Ferguson
- Division of Nutritional Science and Obesity Medicine, Washington University in St. Louis, United States
| | - Yali Chen
- Department of Biochemistry and Molecular Biology, College of Life Sciences, Anhui Medical University, Hefei, 230032, Anhui, China.
| | - Anyuan He
- Department of Biochemistry and Molecular Biology, College of Basic Medical Science, Anhui Medical University, Hefei, 230032, Anhui, China; Department of Biochemistry and Molecular Biology, College of Life Sciences, Anhui Medical University, Hefei, 230032, Anhui, China.
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31
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Morito K, Yamagata M, Naka F, Kobayashi K, Ueda H, Morimoto H, Yasukawa T, Takayama K, Uozumi Y, Nagasawa K. Sub-chronic and mild social defeat stress exposure to C57BL/6J mice increases visceral fat mass and causes accumulation of cholesterol and bile acids in the liver. Biochem Biophys Res Commun 2024; 702:149631. [PMID: 38335703 DOI: 10.1016/j.bbrc.2024.149631] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2023] [Revised: 01/10/2024] [Accepted: 02/04/2024] [Indexed: 02/12/2024]
Abstract
Major depressive disorder is accompanied by a high metabolic illness comorbidity and patients with atypical depression are a subgroup with particularly high risk of obesity, dyslipidemia, and metabolic syndrome; however, the underlying mechanisms have not been fully elucidated. In this study, we examined visceral fat deposition, lipid profiles in the liver, and gut microbiota in sub-chronic and mild social defeat stress (sCSDS)-exposed C57BL/6J mice, which exhibit atypical depression-like phenotypes, i.e., increased body weight and food and water intake. We found that visceral fat mass and levels of hepatic cholesterol and bile acids in sCSDS-exposed mice were significantly increased compared to those in controls. The expression of hepatic small heterodimer partner, a negative regulator of cholesterol metabolism, was significantly elevated in sCSDS-exposed mice. We also found that gut microbial diversity and composition including lower relative abundance of Bacteroides spp. and Bifidobacterium spp. in sCSDS-exposed mice were different from those in controls. In addition, relative abundance of Bacteroides spp. and Bifidobacterium spp. was significantly and negatively correlated with body weight, visceral fat mass, and hepatic cholesterol and bile acids levels. These results indicate that sCSDS-exposure induces dysbiosis, and thereby contributes to metabolic disorder development.
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Affiliation(s)
- Katsuya Morito
- Laboratory of Environmental Biochemistry, Division of Biological Sciences, Kyoto Pharmaceutical University, 5 Misasaginakauchi-cho, Yamashina-ku, Kyoto, 607-8414, Japan
| | - Mayu Yamagata
- Laboratory of Environmental Biochemistry, Division of Biological Sciences, Kyoto Pharmaceutical University, 5 Misasaginakauchi-cho, Yamashina-ku, Kyoto, 607-8414, Japan
| | - Futaba Naka
- Laboratory of Environmental Biochemistry, Division of Biological Sciences, Kyoto Pharmaceutical University, 5 Misasaginakauchi-cho, Yamashina-ku, Kyoto, 607-8414, Japan
| | - Kayo Kobayashi
- Laboratory of Environmental Biochemistry, Division of Biological Sciences, Kyoto Pharmaceutical University, 5 Misasaginakauchi-cho, Yamashina-ku, Kyoto, 607-8414, Japan
| | - Hikari Ueda
- Laboratory of Environmental Biochemistry, Division of Biological Sciences, Kyoto Pharmaceutical University, 5 Misasaginakauchi-cho, Yamashina-ku, Kyoto, 607-8414, Japan
| | - Hirotoshi Morimoto
- Technical Development Division, Ako Kasei, Co., Ltd., 329 Sakoshi, Ako, 678-0193, Japan
| | - Takeshi Yasukawa
- Technical Development Division, Ako Kasei, Co., Ltd., 329 Sakoshi, Ako, 678-0193, Japan
| | - Kentaro Takayama
- Laboratory of Environmental Biochemistry, Division of Biological Sciences, Kyoto Pharmaceutical University, 5 Misasaginakauchi-cho, Yamashina-ku, Kyoto, 607-8414, Japan
| | - Yoshinobu Uozumi
- Technical Development Division, Ako Kasei, Co., Ltd., 329 Sakoshi, Ako, 678-0193, Japan
| | - Kazuki Nagasawa
- Laboratory of Environmental Biochemistry, Division of Biological Sciences, Kyoto Pharmaceutical University, 5 Misasaginakauchi-cho, Yamashina-ku, Kyoto, 607-8414, Japan.
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Piraquive Agudelo J, Kim Y, Agarwal S, Sriram R, Bok R, Kurhanewicz J, Mattis AN, Maher JJ, von Morze C, Ohliger MA. Hyperpolarized [1- 13 C] pyruvate MRSI to detect metabolic changes in liver in a methionine and choline-deficient diet rat model of fatty liver disease. Magn Reson Med 2024; 91:1625-1636. [PMID: 38115605 DOI: 10.1002/mrm.29954] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Revised: 10/21/2023] [Accepted: 11/15/2023] [Indexed: 12/21/2023]
Abstract
PURPOSE Nonalcoholic fatty liver disease is an important cause of chronic liver disease. There are limited methods for monitoring metabolic changes during progression to steatohepatitis. Hyperpolarized 13 C MRSI (HP 13 C MRSI) was used to measure metabolic changes in a rodent model of fatty liver disease. METHODS Fifteen Wistar rats were placed on a methionine- and choline-deficient (MCD) diet for 1-18 weeks. HP 13 C MRSI, T2 -weighted imaging, and fat-fraction measurements were obtained at 3 T. Serum aspartate aminotransaminase, alanine aminotransaminase, and triglycerides were measured. Animals were sacrificed for histology and measurement of tissue lactate dehydrogenase (LDH) activity. RESULTS Animals lost significant weight (13.6% ± 2.34%), an expected characteristic of the MCD diet. Steatosis, inflammation, and mild fibrosis were observed. Liver fat fraction was 31.7% ± 4.5% after 4 weeks and 22.2% ± 4.3% after 9 weeks. Lactate-to-pyruvate and alanine-to-pyruvate ratios decreased significantly over the study course; were negatively correlated with aspartate aminotransaminase and alanine aminotransaminase (r = -[0.39-0.61]); and were positively correlated with triglycerides (r = 0.59-0.60). Despite observed decreases in hyperpolarized lactate signal, LDH activity increased by a factor of 3 in MCD diet-fed animals. Observed decreases in lactate and alanine hyperpolarized signals on the MCD diet stand in contrast to other studies of liver injury, where lactate and alanine increased. Observed hyperpolarized metabolite changes were not explained by alterations in LDH activity, suggesting that changes may reflect co-factor depletion known to occur as a result of oxidative stress in the MCD diet. CONCLUSION HP 13 C MRSI can noninvasively measure metabolic changes in the MCD model of chronic liver disease.
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Affiliation(s)
- Joao Piraquive Agudelo
- Department of Radiology and Biomedical Imaging, University of California, San Francisco, San Francisco, California, USA
| | - Yaewon Kim
- Department of Radiology and Biomedical Imaging, University of California, San Francisco, San Francisco, California, USA
| | - Shubhangi Agarwal
- Department of Radiology and Biomedical Imaging, University of California, San Francisco, San Francisco, California, USA
| | - Renuka Sriram
- Department of Radiology and Biomedical Imaging, University of California, San Francisco, San Francisco, California, USA
| | - Robert Bok
- Department of Radiology and Biomedical Imaging, University of California, San Francisco, San Francisco, California, USA
| | - John Kurhanewicz
- Department of Radiology and Biomedical Imaging, University of California, San Francisco, San Francisco, California, USA
| | - Aras N Mattis
- University of California, San Francisco, Liver Center, University of California, San Francisco, San Francisco, California, USA
- Department of Pathology, University of California, San Francisco, San Francisco, California, USA
| | - Jacquelyn J Maher
- University of California, San Francisco, Liver Center, University of California, San Francisco, San Francisco, California, USA
- Department of Medicine, Division of Gastroenterology, University of California, San Francisco, San Francisco, California, USA
| | - Cornelius von Morze
- Mallinckrodt Institute of Radiology, Washington University School of Medicine, St. Louis, Missouri, USA
| | - Michael A Ohliger
- Department of Radiology and Biomedical Imaging, University of California, San Francisco, San Francisco, California, USA
- University of California, San Francisco, Liver Center, University of California, San Francisco, San Francisco, California, USA
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Apiamu A, Avwioroko OJ, Evuen UF, Kadiri HE, Kpomah ED, Anigboro AA, Ugbebor G, Asagba SO. Exposure to Nickel-Cadmium Contamination of Drinking Water Culminates in Liver Cirrhosis, Renal Azotemia, and Metabolic Stress in Rats. Biol Trace Elem Res 2024; 202:1628-1643. [PMID: 37468716 DOI: 10.1007/s12011-023-03777-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Accepted: 07/12/2023] [Indexed: 07/21/2023]
Abstract
Drinking water polluted by heavy metals has the potential to expose delicate biological systems to a range of health issues. This study embraced the health risks that may arise from subchronic exposure of thirty-four male Wistar rats to nickel (Ni)-cadmium (Cd)-contaminated water. It was done by using the Box-Behnken design (BBD) with three treatment factors (Ni and Cd doses at 50-150 mg/L and exposure at 14-21-28 days) at a single alpha level, resulting in seventeen experimental combinations. Responses such as serum creatinine (CREA) level, blood urea nitrogen (BUN) level, BUN/CREA ratio (BCR), aspartate and alanine aminotransferases (AST and ALT) activities, and the De Ritis ratio (DRR), as well as malondialdehyde (MDA) level, catalase (CAT), and superoxide dismutase (SOD) activities, were evaluated. The results revealed that these pollutants jointly caused hepatocellular damage by raising AST and ALT activities and renal dysfunction by increasing CREA and BUN levels in Wistar rats' sera (p < 0.05). These outcomes were further supported by BCR and DRR values beyond 1. In rats' hepatocytes and renal tissues, synergistic interactions of these metals resulted in higher MDA levels and significant impairments of CAT and SOD activities (p < 0.05). In order to accurately forecast the effects on the responses, the study generated seven acceptable regression models (p < 0.05) with r-squared values of > 80% at no discernible lack of fit (p > 0.05). The findings hereby demonstrated that Wistar rats exposed to these pollutants at varied doses had increased risks of developing liver cirrhosis and azotemia marked by metabolic stress.
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Affiliation(s)
- Augustine Apiamu
- Department of Biochemistry, Faculty of Science, Delta State University, Abraka, Delta State, Nigeria.
| | - Oghenetega J Avwioroko
- Department of Biochemistry, Faculty of Basic Medical Sciences, Redeemer's University, Ede, Osun State, Nigeria
| | - Uduenevwo F Evuen
- Department of Biochemistry, College of Natural and Applied Sciences, Western Delta University, Oghara, Delta State, Nigeria
| | - Helen E Kadiri
- Department of Biochemistry, Faculty of Science, Delta State University, Abraka, Delta State, Nigeria
| | - Enyohwo D Kpomah
- Department of Biochemistry, Federal University, Otuoke, Bayelsa State, Nigeria
| | - Akpovwehwee A Anigboro
- Department of Biochemistry, Faculty of Science, Delta State University, Abraka, Delta State, Nigeria
| | - Gilbert Ugbebor
- Department of Chemical Science, Faculty of Science, University of Delta, Agbor, Delta State, Nigeria
| | - Samuel O Asagba
- Department of Biochemistry, Faculty of Science, Delta State University, Abraka, Delta State, Nigeria
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Couto-Santos F, Guimarães-Ervilha LO, Carvalho RPR, Bastos DSS, Souza ACF, da Silva RC, de Oliveira LL, de Oliveira JA, Machado-Neves M. Impact of Early Arsenic Exposure on the Mineral Content and Oxidative Status of the Liver and Kidney of Pubescent and Adult Rats. Biol Trace Elem Res 2024; 202:1644-1655. [PMID: 37495827 DOI: 10.1007/s12011-023-03787-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Accepted: 07/18/2023] [Indexed: 07/28/2023]
Abstract
This study evaluated the effect of prepubertal arsenic exposure in the liver and kidney of pubescent rats and their reversibility 30 days after arsenic withdrawal. Male pups of Wistar rats (21 days old) were divided into two groups (n = 20/group): control animals received filtered water, and exposed rats received 10 mg L-1 arsenic from postnatal day (PND) 21 to PND 51. The liver and kidney of 52 days old rats (n = 10/group) were examined to investigate the effects of arsenic on micromineral content, antioxidant enzyme activity, histology, and biochemistry parameters. The other animals were kept alive under free arsenic conditions until 82 days old and further analyzed by the same parameters. Our results revealed that 52-day-old rats increased arsenic content in their liver and arsenic and manganese in their kidney. In those animals, glycogen and zinc content and catalase activity were reduced in the liver, and the selenium content decreased in the kidney. Thirty days later, arsenic reduced the manganese and iron content and SOD and CAT activity in the liver of 82-day-old rats previously exposed to arsenic, while glycogen and selenium content decreased in their kidney. In contrast, PND 82 rats exhibited higher retention of copper in the liver, an increase in iron and copper content, and CAT and GST activity in the kidney. Significant histological alterations of liver and kidney tissues were not observed in rats of both ages. We conclude that arsenic-induced toxicity could alter differently the oxidative status and balance of trace elements in pubertal and adult rats, demonstrating that the metalloid can cause effects in adulthood.
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Affiliation(s)
- Felipe Couto-Santos
- Departmento de Biologia Geral, Universidade Federal de Viçosa, Av. P.H. Rolfs, s/n, DBG, Campus Universitário, Viçosa, Minas Gerais, 36570-900, Brazil
| | - Luiz Otávio Guimarães-Ervilha
- Departmento de Biologia Geral, Universidade Federal de Viçosa, Av. P.H. Rolfs, s/n, DBG, Campus Universitário, Viçosa, Minas Gerais, 36570-900, Brazil
| | - Renner Philipe Rodrigues Carvalho
- Departmento de Biologia Geral, Universidade Federal de Viçosa, Av. P.H. Rolfs, s/n, DBG, Campus Universitário, Viçosa, Minas Gerais, 36570-900, Brazil
| | - Daniel Silva Sena Bastos
- Departmento de Biologia Geral, Universidade Federal de Viçosa, Av. P.H. Rolfs, s/n, DBG, Campus Universitário, Viçosa, Minas Gerais, 36570-900, Brazil
| | - Ana Cláudia Ferreira Souza
- Departmento de Biologia Geral, Universidade Federal de Viçosa, Av. P.H. Rolfs, s/n, DBG, Campus Universitário, Viçosa, Minas Gerais, 36570-900, Brazil
- Departmento de Biologia Animal, Universidade Federal Rural do Rio de Janeiro, Seropédica, Rio de Janeiro, Brazil
| | - Renê Chagas da Silva
- Departmento de Física, Universidade Federal de Viçosa, Viçosa, Minas Gerais, Brazil
| | - Leandro Licursi de Oliveira
- Departmento de Biologia Geral, Universidade Federal de Viçosa, Av. P.H. Rolfs, s/n, DBG, Campus Universitário, Viçosa, Minas Gerais, 36570-900, Brazil
| | - Juraci Alves de Oliveira
- Departmento de Biologia Geral, Universidade Federal de Viçosa, Av. P.H. Rolfs, s/n, DBG, Campus Universitário, Viçosa, Minas Gerais, 36570-900, Brazil
| | - Mariana Machado-Neves
- Departmento de Biologia Geral, Universidade Federal de Viçosa, Av. P.H. Rolfs, s/n, DBG, Campus Universitário, Viçosa, Minas Gerais, 36570-900, Brazil.
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Yan Z, Ma L, Carione P, Huang J, Hwang N, Kenny JR, Hop CECA. Introducing the Dynamic Well-Stirred Model for Predicting Hepatic Clearance and Extraction Ratio. J Pharm Sci 2024; 113:1094-1112. [PMID: 38220087 DOI: 10.1016/j.xphs.2023.12.020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2023] [Revised: 12/21/2023] [Accepted: 12/21/2023] [Indexed: 01/16/2024]
Abstract
The well-stirred model (WSM) incorporating the fraction of unbound drug (fu) to account for the effect of plasma binding on intrinsic clearance has been widely used for predicting hepatic clearance under the assumption that drug protein binding reaches equilibrium instantaneously. Our theoretical analysis reveals that the effect of protein binding on intrinsic clearance is better accounted for with the dynamic free fraction (fD), a measure of drug protein binding affinity, which leads to a putative dynamic well-stirred model (dWSM) without the instantaneous equilibrium assumption. Using recombinant CYP3A4 as the in vitro clearance system, we demonstrate that the binding effect of albumin on the intrinsic clearance of both highly bound midazolam and highly free verapamil is fully corrected by their corresponding fD values, respectively. On the other hand, fu only corrects the binding effect of albumin on the intrinsic clearance of verapamil, and yields severe over-correction of the intrinsic clearance of midazolam. The results suggest that the traditional WSM is suitable for highly free drugs like verapamil but not necessarily for highly bound drugs such as midazolam due to the violation of the instantaneous equilibrium assumption or under-estimating the true free drug concentration. In comparison, the dWSM incorporating fD holds true as long as drug elimination follows steady-state kinetics, and hence, it is more broadly applicable to drugs with different protein binding characteristics. Here we demonstrate with 36 diverse drugs, that the dWSM significantly improves the accuracy of predicting human hepatic clearance and liver extraction ratio from in vitro microsomal clearance data, highlighting the importance of drug plasma protein binding kinetics in addressing the under-prediction of hepatic clearance by the WSM.
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Affiliation(s)
- Zhengyin Yan
- Department of Drug Metabolism and Pharmacokinetics, Genentech Inc., South San Francisco, CA, 94080, USA.
| | - Li Ma
- Department of Drug Metabolism and Pharmacokinetics, Genentech Inc., South San Francisco, CA, 94080, USA
| | - Pasquale Carione
- Department of Drug Metabolism and Pharmacokinetics, Genentech Inc., South San Francisco, CA, 94080, USA
| | - Julie Huang
- Department of Drug Metabolism and Pharmacokinetics, Genentech Inc., South San Francisco, CA, 94080, USA
| | - Nicky Hwang
- Department of Drug Metabolism and Pharmacokinetics, Genentech Inc., South San Francisco, CA, 94080, USA
| | - Jane R Kenny
- Department of Drug Metabolism and Pharmacokinetics, Genentech Inc., South San Francisco, CA, 94080, USA
| | - Cornelis E C A Hop
- Department of Drug Metabolism and Pharmacokinetics, Genentech Inc., South San Francisco, CA, 94080, USA
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Jiang C, Li P, Ma Y, Yoneda N, Kawai K, Uehara S, Ohnishi Y, Suemizu H, Cao H. Comprehensive gene profiling of the metabolic landscape of humanized livers in mice. J Hepatol 2024; 80:622-633. [PMID: 38049085 PMCID: PMC10947884 DOI: 10.1016/j.jhep.2023.11.020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/05/2023] [Revised: 10/12/2023] [Accepted: 11/06/2023] [Indexed: 12/06/2023]
Abstract
BACKGROUND & AIMS The human liver transcriptome is complex and highly dynamic, e.g. one gene may produce multiple distinct transcripts, each with distinct posttranscriptional modifications. Direct knowledge of transcriptome dynamics, however, is largely obscured by the inaccessibility of the human liver to treatments and the insufficient annotation of the human liver transcriptome at transcript and RNA modification levels. METHODS We generated mice that carry humanized livers of identical genetic background and subjected them to representative metabolic treatments. We then analyzed the humanized livers with nanopore single-molecule direct RNA sequencing to determine the expression level, m6A modification and poly(A) tail length of all RNA transcript isoforms. Our system allows for the de novo annotation of human liver transcriptomes to reflect metabolic responses and for the study of transcriptome dynamics in parallel. RESULTS Our analysis uncovered a vast number of novel genes and transcripts. Our transcript-level analysis of human liver transcriptomes also identified a multitude of regulated metabolic pathways that were otherwise invisible using conventional short-read RNA sequencing. We revealed for the first time the dynamic changes in m6A and poly(A) tail length of human liver transcripts, many of which are transcribed from key metabolic genes. Furthermore, we performed comparative analyses of gene regulation between humans and mice, and between two individuals using the liver-specific humanized mice, revealing that transcriptome dynamics are highly species- and genetic background-dependent. CONCLUSION Our work revealed a complex metabolic response landscape of the human liver transcriptome and provides a novel resource to understand transcriptome dynamics of the human liver in response to physiologically relevant metabolic stimuli (https://caolab.shinyapps.io/human_hepatocyte_landscape/). IMPACT AND IMPLICATIONS Direct knowledge of the human liver transcriptome is currently very limited, hindering the overall understanding of human liver pathophysiology. We combined a liver-specific humanized mouse model and long-read direct RNA sequencing technology to establish a de novo annotation of the human liver transcriptome and identified a multitude of regulated metabolic pathways that were otherwise invisible using conventional technologies. The extensive regulatory information on human genes we provided could enable basic scientists to infer the pathological relevance of their genes of interest and physician scientists to better pinpoint the changes in metabolic networks underlying a specific pathophysiology.
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Affiliation(s)
- Chengfei Jiang
- Cardiovascular Branch, National Heart, Lung and Blood Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Ping Li
- Cardiovascular Branch, National Heart, Lung and Blood Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Yonghe Ma
- Cardiovascular Branch, National Heart, Lung and Blood Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Nao Yoneda
- Liver Engineering Laboratory, Department of Applied Research for Laboratory Animals, Central Institute for Experimental Animals (CIEA), 3-25-12 Tonomachi, Kawasaki-ku, Kawasaki 210-0821, Japan
| | - Kenji Kawai
- Pathology Center, Translational Research and Contract Research Service Division, Central Institute for Experimental Animals (CIEA), 3-25-12 Tonomachi, Kawasaki-ku, Kawasaki 210-0821, Japan
| | - Shotaro Uehara
- Liver Engineering Laboratory, Department of Applied Research for Laboratory Animals, Central Institute for Experimental Animals (CIEA), 3-25-12 Tonomachi, Kawasaki-ku, Kawasaki 210-0821, Japan
| | - Yasuyuki Ohnishi
- Liver Engineering Laboratory, Department of Applied Research for Laboratory Animals, Central Institute for Experimental Animals (CIEA), 3-25-12 Tonomachi, Kawasaki-ku, Kawasaki 210-0821, Japan
| | - Hiroshi Suemizu
- Liver Engineering Laboratory, Department of Applied Research for Laboratory Animals, Central Institute for Experimental Animals (CIEA), 3-25-12 Tonomachi, Kawasaki-ku, Kawasaki 210-0821, Japan
| | - Haiming Cao
- Cardiovascular Branch, National Heart, Lung and Blood Institute, National Institutes of Health, Bethesda, MD 20892, USA.
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Ding J, Liu J, Chen J, Cheng X, Cao H, Guo X, Hu G, Zhuang Y. Sodium butyrate alleviates free fatty acid-induced steatosis in primary chicken hepatocytes via the AMPK/PPARα pathway. Poult Sci 2024; 103:103482. [PMID: 38387286 PMCID: PMC10899032 DOI: 10.1016/j.psj.2024.103482] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Revised: 01/15/2024] [Accepted: 01/16/2024] [Indexed: 02/24/2024] Open
Abstract
Fatty liver hemorrhagic syndrome (FLHS) is a prevalent metabolic disorder observed in egg-laying hens, characterized by fatty deposits and cellular steatosis in the liver. Our preliminary investigations have revealed a marked decrease in the concentration of butyric acid in the FLHS strain of laying hens. It has been established that sodium butyrate (NaB) protects against metabolic disorders. However, the underlying mechanism by which butyrate modulates hepato-lipid metabolism to a great extent remains unexplored. In this study, we constructed an isolated in vitro model of chicken primary hepatocytes to induce hepatic steatosis by free fatty acids (FFA). Our results demonstrate that treatment with NaB effectively mitigated FFA-induced hepatic steatosis in chicken hepatocytes by inhibiting lipid accumulation, downregulating the mRNA expression of lipo-synthesis-related genes (sterol regulatory element binding transcription factor 1 (SREBF1), acetyl-CoA carboxylase 1(ACC1), fatty acid synthase (FASN), stearoyl-CoA desaturase 1 (SCD1), liver X receptor α (LXRα), 3-hydroxy-3-methylglutaryl-CoA reductase (HMGR)) (P < 0.05), and upregulating the mRNA and protein expression of AMP-activated protein kinase α1 (AMPKα1), peroxisome proliferator-activated receptor α (PPARα), and carnitine palmitoyl-transferase 1A (CPT1A) (P < 0.05). Moreover, AMPK and PPARα inhibitors (Compound C (Comp C) and GW6471, respectively) reversed the protective effects of NaB against FFA-induced hepatic steatosis by blocking the AMPK/PPARα pathway, leading to lipid droplet accumulation and triglyceride (TG) contents in chicken primary hepatocytes. With these findings, NaB can alleviate hepatocyte lipoatrophy injury by activating the AMPK/PPARα pathway, promoting fatty acid oxidation, and reducing lipid synthesis in chicken hepatocytes, potentially being able to provide new ideas for the treatment of FLHS.
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Affiliation(s)
- Jiayi Ding
- Jiangxi Provincial Key Laboratory for Animal Health, Institute of Animal Population Health, College of Animal Science and Technology, Jiangxi Agricultural University, Nanchang 330045, Jiangxi, PR China
| | - Jiuyue Liu
- Jiangxi Provincial Key Laboratory for Animal Health, Institute of Animal Population Health, College of Animal Science and Technology, Jiangxi Agricultural University, Nanchang 330045, Jiangxi, PR China
| | - Jinyan Chen
- Jiangxi Provincial Key Laboratory for Animal Health, Institute of Animal Population Health, College of Animal Science and Technology, Jiangxi Agricultural University, Nanchang 330045, Jiangxi, PR China
| | - Xinyi Cheng
- Jiangxi Provincial Key Laboratory for Animal Health, Institute of Animal Population Health, College of Animal Science and Technology, Jiangxi Agricultural University, Nanchang 330045, Jiangxi, PR China
| | - Huabin Cao
- Jiangxi Provincial Key Laboratory for Animal Health, Institute of Animal Population Health, College of Animal Science and Technology, Jiangxi Agricultural University, Nanchang 330045, Jiangxi, PR China
| | - Xiaoquan Guo
- Jiangxi Provincial Key Laboratory for Animal Health, Institute of Animal Population Health, College of Animal Science and Technology, Jiangxi Agricultural University, Nanchang 330045, Jiangxi, PR China
| | - Guoliang Hu
- Jiangxi Provincial Key Laboratory for Animal Health, Institute of Animal Population Health, College of Animal Science and Technology, Jiangxi Agricultural University, Nanchang 330045, Jiangxi, PR China
| | - Yu Zhuang
- Jiangxi Provincial Key Laboratory for Animal Health, Institute of Animal Population Health, College of Animal Science and Technology, Jiangxi Agricultural University, Nanchang 330045, Jiangxi, PR China.
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Yu Z, Lin Y, Wu L, Wang L, Fan Y, Xu L, Zhang L, Wu W, Tao J, Huan F, Liu W, Wang J, Gao R. Bisphenol F exposure induces depression-like changes: Roles of the kynurenine metabolic pathway along the "liver-brain" axis. Environ Pollut 2024; 346:123356. [PMID: 38266696 DOI: 10.1016/j.envpol.2024.123356] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/24/2023] [Revised: 01/02/2024] [Accepted: 01/13/2024] [Indexed: 01/26/2024]
Abstract
Bisphenol F (BPF), one of the major alternatives of Bisphenol A (BPA), is becoming extensively used in industrial production with great harm to human beings and environment. Recent studies have revealed that environmental exposure is crucial to the initiation and development of depression. Thereby, the aim the present study is to ascertain the correlationship between the BPF exposure and depression occurrence. In the current study, BPF strikingly triggered depression-like changes in mice through the sucrose preference test (SPT), tail suspension test (TST) and forced swim test (FST), accompanied by the perturbation of the kynurenine (KYN) metabolic pathway along the "liver-brain" axis. Mechanistically, the neurotransmitters from the tryptophan metabolic pathway were converted to the toxic KYN pathway after BPF treatment. With the ELISA assay, it revealed that the toxic KYN metabolites, including KYN and 3-hydroxykynurenine (3-HK), were strikingly increased in the mouse brains which was ascribed to the enhanced expression of the rate-limiting enzymes Indoleamine 2,3-dioxygenase (IDO1) and Kynurenine 3-monooxygenase (KMO) respectively. Interestingly, the increased brain KYN induced by BPF was also validated partially from the periphery, since the ELISA and western blotting results indicated the significantly increased KYN in the serum and L-type amino acid transporter 1 (LAT1) in the brain, the key transporter responsible for KYN and 3-HK crossing the blood-brain barrier. Intriguingly, the liver-derived KYN metabolic pathway was the important source of the peripheral KYN and 3-HK, as BPF substantially enhanced hepatic IDO1, Tryptophan, 2, 3-dioxygenase (TDO2), and KMO levels indicated by western blotting. This study is the first to delineate previously unrecognized BPF-induced depression by regulating the KYN metabolic pathway along the "liver-brain" axis; therefore, targeting LAT1 or hepatic KYN signaling may provide a potentially unique therapeutic intervention in BPF-induced depression.
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Affiliation(s)
- Zheng Yu
- Department of Hygienic Analysis and Detection, The Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, 101 Longmian Avenue, Nanjing, 211166, China
| | - Yuxin Lin
- Department of Hygienic Analysis and Detection, The Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, 101 Longmian Avenue, Nanjing, 211166, China
| | - Linlin Wu
- Department of Hygienic Analysis and Detection, The Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, 101 Longmian Avenue, Nanjing, 211166, China; The Affiliated Wuxi Center for Disease Control and Prevention of Nanjing Medical University, Wuxi Center for Disease Control and Prevention, Wuxi, 214023, China
| | - Luyao Wang
- Department of Hygienic Analysis and Detection, The Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, 101 Longmian Avenue, Nanjing, 211166, China
| | - Yichun Fan
- Department of Hygienic Analysis and Detection, The Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, 101 Longmian Avenue, Nanjing, 211166, China
| | - Liuting Xu
- Department of Hygienic Analysis and Detection, The Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, 101 Longmian Avenue, Nanjing, 211166, China
| | - Linwei Zhang
- Department of Toxicology, The Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, 101 Longmian Avenue, Nanjing, 211166, China
| | - Weilan Wu
- Department of Hygienic Analysis and Detection, The Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, 101 Longmian Avenue, Nanjing, 211166, China
| | - Jingxian Tao
- Department of Hygienic Analysis and Detection, The Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, 101 Longmian Avenue, Nanjing, 211166, China
| | - Fei Huan
- Department of Toxicology, The Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, 101 Longmian Avenue, Nanjing, 211166, China
| | - Wenwei Liu
- The Affiliated Wuxi Center for Disease Control and Prevention of Nanjing Medical University, Wuxi Center for Disease Control and Prevention, Wuxi, 214023, China
| | - Jun Wang
- Department of Toxicology, The Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, 101 Longmian Avenue, Nanjing, 211166, China; China International Cooperation Center for Environment and Human Health, Nanjing Medical University, 818 Tianyuan East Road, Nanjing, 211166, China; Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing, 211166, China
| | - Rong Gao
- Department of Hygienic Analysis and Detection, The Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, 101 Longmian Avenue, Nanjing, 211166, China.
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Zurawska G, Jończy A, Niklewicz M, Sas Z, Rumieńczyk I, Kulecka M, Piwocka K, Rygiel TP, Mikula M, Mleczko-Sanecka K. Iron-triggered signaling via ETS1 and the p38/JNK MAPK pathway regulates Bmp6 expression. Am J Hematol 2024; 99:543-554. [PMID: 38293789 DOI: 10.1002/ajh.27223] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Revised: 12/13/2023] [Accepted: 01/01/2024] [Indexed: 02/01/2024]
Abstract
BMP6 is an iron-sensing cytokine whose transcription in liver sinusoidal endothelial cells (LSECs) is enhanced by high iron levels, a step that precedes the induction of the iron-regulatory hormone hepcidin. While several reports suggested a cell-autonomous induction of Bmp6 by iron-triggered signals, likely via sensing of oxidative stress by the transcription factor NRF2, other studies proposed the dominant role of a paracrine yet unidentified signal released by iron-loaded hepatocytes. To further explore the mechanisms of Bmp6 transcriptional regulation, we used female mice aged 10-11 months, which are characterized by hepatocytic but not LSEC iron accumulation, and no evidence of systemic iron overload. We found that LSECs of aged mice exhibit increased Bmp6 mRNA levels as compared to young controls, but do not show a transcriptional signature characteristic of activated NFR2-mediated signaling in FACS-sorted LSECs. We further observed that primary murine LSECs derived from both wild-type and NRF2 knock-out mice induce Bmp6 expression in response to iron exposure. By analyzing transcriptomic data of FACS-sorted LSECs from aged versus young mice, as well as early after iron citrate injections, we identified ETS1 as a candidate transcription factor involved in Bmp6 transcriptional regulation. By performing siRNA-mediated knockdown, small-molecule treatments, and chromatin immunoprecipitation in primary LSECs, we show that Bmp6 transcription is regulated by iron via ETS1 and p38/JNK MAP kinase-mediated signaling, at least in part independently of NRF2. Thereby, these findings identify the new components of LSEC iron sensing machinery broadly associated with cellular stress responses.
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Affiliation(s)
- Gabriela Zurawska
- International Institute of Molecular and Cell Biology in Warsaw, Warsaw, Poland
| | - Aneta Jończy
- International Institute of Molecular and Cell Biology in Warsaw, Warsaw, Poland
| | - Marta Niklewicz
- International Institute of Molecular and Cell Biology in Warsaw, Warsaw, Poland
| | - Zuzanna Sas
- Medical University of Warsaw, Warsaw, Poland
| | - Izabela Rumieńczyk
- Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland
| | - Maria Kulecka
- Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland
| | | | - Tomasz P Rygiel
- Mossakowski Medical Research Institute, Polish Academy of Sciences, Warsaw, Poland
| | - Michal Mikula
- Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland
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Ezhilarasan D, Shree Harini K, Karthick M, Lavanya P. Boldine protects against carbon tetrachloride-induced chronic liver injury by regulating NF-κB signaling pathway. J Biochem Mol Toxicol 2024; 38:e23691. [PMID: 38500399 DOI: 10.1002/jbt.23691] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2023] [Revised: 02/05/2024] [Accepted: 03/07/2024] [Indexed: 03/20/2024]
Abstract
Sustained liver injuries predominantly promote oxidative stress and inflammation that lead to the progression of chronic liver disease (CLD), including fibrosis, cirrhosis, and hepatocellular carcinoma. Boldine, an alkaloid isolated from Peumus boldus, has been shown to have antioxidant and anti-inflammatory effects. Currently, there is no definitive treatment option available for CLD. Therefore, we investigated the hepatoprotective effect of boldine against carbon tetrachloride (CCl4 )-induced chronic liver injury in rats. CCl4 (2 mL/kg., b.w., i.p.) was administered twice weekly for 5 weeks to induce chronic liver injury in rats. Separate groups of rats were given boldine (20 mg/kg b.w., and 40 mg/kg b.w.) and silymarin (100 mg/kg b.w.) orally, daily. Serum transaminases, lipid peroxidation, and antioxidant levels were measured, and nuclear factor-κB (NF-κB), tumor necrosis factor-α (TNF-α), cyclooxygenase-2 (cox-2), interleukin-1 β (IL-1β), and α-smooth muscle actin (α-SMA) gene and protein expressions were evaluated. CCl4 administration increased liver marker enzymes of hepatotoxicity in serum and oxidative stress markers, inflammatory genes and α-smooth muscle actin expression in liver tissue. Boldine concurrent treatment suppressed CCl4 -induced elevation of transaminase levels in serum, restored enzymic and non-enzymic antioxidants, and downregulated NF-κB, TNF-α, Cox-2 and IL-1β expressions, thereby suppressing hepatic inflammation. Boldine administration also repressed α-SMA expression. The results of this study demonstrate the antioxidant, anti-inflammatory, and antifibrotic properties of boldine, and it can be a potential therapeutic candidate in the treatment of CLD.
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Affiliation(s)
- Devaraj Ezhilarasan
- Department of Pharmacology, Hepatology and Molecular Medicine Lab, Saveetha Dental College, Saveetha Institute of Medical and Technical Sciences, Chennai, India
| | - Karthik Shree Harini
- Department of Pharmacology, Hepatology and Molecular Medicine Lab, Saveetha Dental College, Saveetha Institute of Medical and Technical Sciences, Chennai, India
| | - Munusamy Karthick
- Department of Pharmacology, Hepatology and Molecular Medicine Lab, Saveetha Dental College, Saveetha Institute of Medical and Technical Sciences, Chennai, India
| | - Prathap Lavanya
- Department of Anatomy, Saveetha Dental College, Saveetha Institute of Medical and Technical Sciences, Chennai, India
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Wang J, Li J, Fu Y, Zhu Y, Lin L, Li Y. Research progress, challenges and perspectives of phospholipids metabolism in the LXR‑LPCAT3 signaling pathway and its relation to NAFLD (Review). Int J Mol Med 2024; 53:32. [PMID: 38362962 PMCID: PMC10903931 DOI: 10.3892/ijmm.2024.5356] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Accepted: 01/16/2024] [Indexed: 02/17/2024] Open
Abstract
Phospholipids (PLs) are principle constituents of biofilms, with their fatty acyl chain composition significantly impacting the biophysical properties of membranes, thereby influencing biological processes. Recent studies have elucidated that fatty acyl chains, under the enzymatic action of lyso‑phosphatidyl‑choline acyltransferases (LPCATs), expedite incorporation into the sn‑2 site of phosphatidyl‑choline (PC), profoundly affecting pathophysiology. Accumulating evidence suggests that alterations in LPCAT activity are implicated in various diseases, including non‑alcoholic fatty liver disease (NAFLD), hepatitis C, atherosclerosis and cancer. Specifically, LPCAT3 is instrumental in maintaining systemic lipid homeostasis through its roles in hepatic lipogenesis, intestinal lipid absorption and lipoprotein secretion. The liver X receptor (LXR), pivotal in lipid homeostasis, modulates cholesterol, fatty acid (FA) and PL metabolism. LXR's capacity to modify PL composition in response to cellular sterol fluctuations is a vital mechanism for protecting biofilms against lipid stress. Concurrently, LXR activation enhances LPCAT3 expression on cell membranes and elevates polyunsaturated PL levels. This activation can ameliorate saturated free FA effects in vitro or endoplasmic reticulum stress in vivo due to lipid accumulation in hepatic cells. Pharmacological interventions targeting LXR, LPCAT and membrane PL components could offer novel therapeutic directions for NAFLD management. The present review primarily focused on recent advancements in understanding the LPCAT3 signaling pathway's role in lipid metabolism related to NAFLD, aiming to identify new treatment targets for the disease.
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Affiliation(s)
- Junmin Wang
- Department of Gastroenterology, Shanghai Municipal Hospital of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 200071, P.R. China
| | - Jiacheng Li
- Department of Gastroenterology, Shanghai Municipal Hospital of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 200071, P.R. China
| | - Yugang Fu
- Department of Gastroenterology, Shanghai Municipal Hospital of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 200071, P.R. China
| | - Yingying Zhu
- Department of Gastroenterology, Shanghai Municipal Hospital of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 200071, P.R. China
| | - Liubing Lin
- Department of Gastroenterology, Shanghai Municipal Hospital of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 200071, P.R. China
| | - Yong Li
- Department of Gastroenterology, Shanghai Municipal Hospital of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 200071, P.R. China
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Ligeron C, Saenz J, Evrard B, Drouin M, Merieau E, Mary C, Biteau K, Wilhelm E, Batty C, Gauttier V, Baccelli I, Poirier N, Chiffoleau E. CLEC-1 Restrains Acute Inflammatory Response and Recruitment of Neutrophils following Tissue Injury. J Immunol 2024; 212:1178-1187. [PMID: 38353642 DOI: 10.4049/jimmunol.2300479] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Accepted: 01/17/2024] [Indexed: 03/20/2024]
Abstract
The inflammatory response is a key mechanism for the elimination of injurious agents but must be tightly controlled to prevent additional tissue damage and progression to persistent inflammation. C-type lectin receptors expressed mostly by myeloid cells play a crucial role in the regulation of inflammation by recognizing molecular patterns released by injured tissues. We recently showed that the C-type lectin receptor CLEC-1 is able to recognize necrotic cells. However, its role in the acute inflammatory response following tissue damage had not yet been investigated. We show in this study, in a mouse model of liver injury induced by acetaminophen intoxication, that Clec1a deficiency enhances the acute immune response with increased expression of Il1b, Tnfa, and Cxcl2 and higher infiltration of activated neutrophils into the injured organ. Furthermore, we demonstrate that Clec1a deficiency exacerbates tissue damage via CXCL2-dependent neutrophil infiltration. In contrast, we observed that the lack of CLEC-1 limits CCL2 expression and the accumulation, beyond the peak of injury, of monocyte-derived macrophages. Mechanistically, we found that Clec1a-deficient dendritic cells increase the expression of Il1b, Tnfa, and Cxcl2 in response to necrotic cells, but decrease the expression of Ccl2. Interestingly, treatment with an anti-human CLEC-1 antagonist mAb recapitulates the exacerbation of acute immunopathology observed by genetic loss of Clec1a in a preclinical humanized mouse model. To conclude, our results demonstrate that CLEC-1 is a death receptor limiting the acute inflammatory response following injury and represents a therapeutic target to modulate immunity.
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Affiliation(s)
- Camille Ligeron
- OSE Immunotherapeutics, Nantes, France
- Nantes Université, INSERM, Center for Research in Transplantation and Translational Immunology, UMR 1064, Nantes, France
| | - Javier Saenz
- Nantes Université, INSERM, Center for Research in Transplantation and Translational Immunology, UMR 1064, Nantes, France
| | - Berangere Evrard
- Nantes Université, INSERM, Center for Research in Transplantation and Translational Immunology, UMR 1064, Nantes, France
| | - Marion Drouin
- OSE Immunotherapeutics, Nantes, France
- Nantes Université, INSERM, Center for Research in Transplantation and Translational Immunology, UMR 1064, Nantes, France
| | - Emmanuel Merieau
- Nantes Université, INSERM, Center for Research in Transplantation and Translational Immunology, UMR 1064, Nantes, France
| | | | | | | | | | | | | | | | - Elise Chiffoleau
- Nantes Université, INSERM, Center for Research in Transplantation and Translational Immunology, UMR 1064, Nantes, France
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Gutierrez V, Kim-Vasquez D, Shum M, Yang Q, Dikeman D, Louie SG, Shirihai OS, Tsukamoto H, Liesa M. The mitochondrial biliverdin exporter ABCB10 in hepatocytes mitigates neutrophilic inflammation in alcoholic hepatitis. Redox Biol 2024; 70:103052. [PMID: 38290384 PMCID: PMC10844117 DOI: 10.1016/j.redox.2024.103052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2023] [Accepted: 01/19/2024] [Indexed: 02/01/2024] Open
Abstract
Acute liver failure caused by alcoholic hepatitis (AH) is only effectively treated with liver transplantation. Livers of patients with AH show a unique molecular signature characterized by defective hepatocellular redox metabolism, concurrent to hepatic infiltration of neutrophils that express myeloperoxidase (MPO) and form neutrophil extracellular traps (NETs). Exacerbated NET formation and MPO activity contribute to liver damage in mice with AH and predicts poor prognosis in AH patients. The identification of pathways that maladaptively exacerbate neutrophilic activity in liver could inform of novel therapeutic approaches to treat AH. Whether the redox defects of hepatocytes in AH directly exacerbate neutrophilic inflammation and NET formation is unclear. Here we identify that the protein content of the mitochondrial biliverdin exporter ABCB10, which increases hepatocyte-autonomous synthesis of the ROS-scavenger bilirubin, is decreased in livers from humans and mice with AH. Increasing ABCB10 expression selectively in hepatocytes of mice with AH is sufficient to decrease MPO gene expression and histone H3 citrullination, a specific marker of NET formation. These anti-inflammatory effects can be explained by ABCB10 function reducing ROS-mediated actions in liver. Accordingly, ABCB10 gain-of-function selectively increased the mitochondrial GSH/GSSG ratio and decreased hepatic 4-HNE protein adducts, without elevating mitochondrial fat expenditure capacity, nor mitigating steatosis and hepatocyte death. Thus, our study supports that ABCB10 function regulating ROS-mediated actions within surviving hepatocytes mitigates the maladaptive activation of infiltrated neutrophils in AH. Consequently, ABCB10 gain-of-function in human hepatocytes could potentially decrease acute liver failure by decreasing the inflammatory flare caused by excessive neutrophil activity.
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Affiliation(s)
- Vincent Gutierrez
- Department of Medicine, Division of Endocrinology, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA; Molecular and Cellular Integrative Physiology, Interdepartmental Program, University of California, Los Angeles, CA, USA
| | - Doyeon Kim-Vasquez
- Department of Medicine, Division of Endocrinology, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA
| | - Michael Shum
- Department of Medicine, Division of Endocrinology, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA
| | - Qihong Yang
- Southern California Research Center for ALPD and Cirrhosis and Department of Pathology, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Dante Dikeman
- Department of Clinical Pharmacy, School of Pharmacy, The University of Southern California, 1985 Zonal Avenue, Los Angeles, CA, 90089, USA
| | - Stan G Louie
- Department of Clinical Pharmacy, School of Pharmacy, The University of Southern California, 1985 Zonal Avenue, Los Angeles, CA, 90089, USA
| | - Orian S Shirihai
- Department of Medicine, Division of Endocrinology, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA; Molecular and Cellular Integrative Physiology, Interdepartmental Program, University of California, Los Angeles, CA, USA
| | - Hidekazu Tsukamoto
- Southern California Research Center for ALPD and Cirrhosis and Department of Pathology, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA; Department of Veterans Affairs Greater Los Angeles Healthcare System, Los Angeles, CA, USA
| | - Marc Liesa
- Institut de Biologia Molecular de Barcelona, IBMB, CSIC, Barcelona, Catalonia, Spain.
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Volkert I, Fromme M, Schneider C, Candels L, Lindhauer C, Su H, Thorhauge K, Pons M, Mohamed MR, Schneider KM, Strnad P, Trautwein C. Impact of PNPLA3 I148M on alpha-1 antitrypsin deficiency-dependent liver disease progression. Hepatology 2024; 79:898-911. [PMID: 37625151 DOI: 10.1097/hep.0000000000000574] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Accepted: 07/28/2023] [Indexed: 08/27/2023]
Abstract
BACKGROUND AND AIMS Genetic risk factors are major determinants of chronic liver disease (CLD) progression. Patatin-like phospholipase domain-containing protein 3 (PNPLA3) I148M polymorphism and alpha-1 antitrypsin (AAT) E342K variant, termed PiZ, are major modifiers of metabolic CLD. Both variants are known to affect metabolic CLD through increased endoplasmic reticulum stress, but their combined effect on CLD progression remains largely unknown. Here, we aimed to test our working hypothesis that their combined incidence triggers CLD disease progression. APPROACH AND RESULTS We showed that patients with PiZZ/PNPLA3 I148M from the European alpha-1-antitrypsin deficiency (AATD) liver consortium and the UK Biobank had a trend towards higher liver enzymes, but no increased liver fat accumulation was evident between subgroups. After generating transgenic mice that overexpress the PiZ variant and simultaneously harbor the PNPLA3 I148M knockin (designated as PiZ/PNPLA3 I148M ), we observed that animals with PiZ and PiZ/PNPLA3 I148M showed increased liver enzymes compared to controls during aging. However, no significant difference between PiZ and PiZ/PNPLA3 I148M groups was observed, with no increased liver fat accumulation over time. To further study the impact on CLD progression, a Western-styled diet was administered, which resulted in increased fat accumulation and fibrosis in PiZ and PiZ/PNPLA3 I148M livers compared to controls, but the additional presence of PNPLA3 I148M had no impact on liver phenotype. Notably, the PiZ variant protected PNPLA3 I148M mice from liver damage and obesity after Western-styled diet feeding. CONCLUSION Our results demonstrate that the PNPLA3 polymorphism in the absence of additional metabolic risk factors is insufficient to drive the development of advanced liver disease in severe AATD.
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Affiliation(s)
- Ines Volkert
- Department of Medicine III, University Hospital RWTH Aachen, Aachen, Germany
| | - Malin Fromme
- Department of Medicine III, University Hospital RWTH Aachen, Aachen, Germany
| | - Carolin Schneider
- Department of Medicine III, University Hospital RWTH Aachen, Aachen, Germany
| | - Lena Candels
- Department of Medicine III, University Hospital RWTH Aachen, Aachen, Germany
| | - Cecilia Lindhauer
- Department of Medicine III, University Hospital RWTH Aachen, Aachen, Germany
| | - Huan Su
- Department of Medicine III, University Hospital RWTH Aachen, Aachen, Germany
| | - Katrine Thorhauge
- Department of Gastroenterology and Hepatology, Odense University Hospital, Odense, Denmark
| | - Monica Pons
- Liver Unit, Hospital Universitari Vall d'Hebron, Vall d'Hebron Institute of Research (VHIR), Vall d'Hebron Barcelona Hospital Campus, Universitat Autonoma de Barcelona, Barcelona
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Instituto de Salud Carlos III, Madrid, Spain
| | | | | | - Pavel Strnad
- Department of Medicine III, University Hospital RWTH Aachen, Aachen, Germany
| | - Christian Trautwein
- Department of Medicine III, University Hospital RWTH Aachen, Aachen, Germany
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Akabane M, Imaoka Y, Esquivel CO, Melcher ML, Kwong A, Sasaki K. Overcoming the hurdles of steatotic grafts in liver transplantation: Insights into survival and prognostic factors. Liver Transpl 2024; 30:376-385. [PMID: 37616509 DOI: 10.1097/lvt.0000000000000245] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/11/2023] [Accepted: 08/08/2023] [Indexed: 08/26/2023]
Abstract
With increasing metabolic dysfunction-associated steatotic liver disease, the use of steatotic grafts in liver transplantation (LT) and their impact on postoperative graft survival (GS) needs further exploration. Analyzing adult LT recipient data (2002-2022) from the United Network for Organ Sharing database, outcomes of LT using steatotic (≥30% macrosteatosis) and nonsteatotic donor livers, donors after circulatory death, and standard-risk older donors (age 45-50) were compared. GS predictors were evaluated using Kaplan-Meier and Cox regression analyses. Of the 35,345 LT donors, 8.9% (3,155) were fatty livers. The initial 30-day postoperative period revealed significant challenges with fatty livers, demonstrating inferior GS. However, the GS discrepancy between fatty and nonfatty livers subsided over time ( p = 0.10 at 5 y). Long-term GS outcomes showed comparable or even superior results in fatty livers relative to nonsteatotic livers, conditional on surviving the initial 90 postoperative days ( p = 0.90 at 1 y) or 1 year ( p = 0.03 at 5 y). In the multivariable Cox regression analysis, the high body surface area (BSA) ratio (≥1.1) (HR 1.42, p = 0.02), calculated as donor BSA divided by recipient BSA, long cold ischemic time (≥6.5 h) (HR 1.72, p < 0.01), and recipient medical condition (intensive care unit hospitalization) (HR 2.53, p < 0.01) emerged as significant adverse prognostic factors. Young (<40 y) fatty donors showed a high BSA ratio, diabetes, and intensive care unit hospitalization as significant indicators of a worse prognosis ( p < 0.01). Our study emphasizes the initial postoperative 30-day survival challenge in LT using fatty livers. However, with careful donor-recipient matching, for example, avoiding the use of steatotic donors with long cold ischemic time and high BSA ratios for recipients in the intensive care unit, it is possible to enhance immediate GS, and in a longer time, outcomes comparable to those using nonfatty livers, donors after circulatory death livers, or standard-risk older donors can be anticipated. These novel insights into decision-making criteria for steatotic liver use provide invaluable guidance for clinicians.
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Affiliation(s)
- Miho Akabane
- Department of Surgery, Division of Abdominal Transplant, Stanford University Medical Center, Stanford, California, USA
| | - Yuki Imaoka
- Department of Surgery, Division of Abdominal Transplant, Stanford University Medical Center, Stanford, California, USA
| | - Carlos O Esquivel
- Department of Surgery, Division of Abdominal Transplant, Stanford University Medical Center, Stanford, California, USA
| | - Marc L Melcher
- Department of Surgery, Division of Abdominal Transplant, Stanford University Medical Center, Stanford, California, USA
| | - Allison Kwong
- Division of Gastroenterology and Hepatology, Stanford University Medical Center, Stanford, California, USA
| | - Kazunari Sasaki
- Department of Surgery, Division of Abdominal Transplant, Stanford University Medical Center, Stanford, California, USA
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Yao X, Liu Y, Mao M, Yang L, Zhan Q, Xiao J. Calorie restriction mimetic, resveratrol, attenuates hepatic ischemia and reperfusion injury through enhancing efferocytosis of macrophages via AMPK/STAT3/S1PR1 pathway. J Nutr Biochem 2024; 126:109587. [PMID: 38262562 DOI: 10.1016/j.jnutbio.2024.109587] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Revised: 01/09/2024] [Accepted: 01/17/2024] [Indexed: 01/25/2024]
Abstract
Calorie restriction (CR) mimetic, resveratrol (RSV), has the capacity of promoting phagocytosis. However, its role in hepatic ischemia and reperfusion injury (HIRI) remains poorly understood. This study aimed to investigate the effect of RSV on alleviating HIRI and explore the underlying mechanisms. RSV was intraperitoneally injected in mice HIRI model, while RSV was co-incubated with culture medium for 24 h in RAW 264.7 cells and kupffer cells. Macrophage efferocytosis was assessed by immunostaining of PI and F4/80. The clearance of apoptotic neutrophils in the liver was determined by immunostaining of Ly6-G and cleaved-caspase-3. HE staining, Suzuki's score, serum levels of ALT, AST, TNF-α and IL-1β were analyzed to evaluate HIRI. The efferocytosis inhibitor, Cytochalasin D, was utilized to investigate the effect of RSV on HIRI. Western blot was employed to measure the levels of AMPKα, phospho-AMPKα, STAT3, phospho-STAT3 and S1PR1. SiSTAT3 and inhibitors targeting AMPK, STAT3 and S1PR1, respectively, were used to confirm the involvement of AMPK/STAT3/S1PR1 pathway in RSV-mediated efferocytosis and HIRI. RSV facilitated the clearance of apoptotic neutrophils and attenuated HIRI, which was impeded by Cytochalasin D. RSV boosted macrophage efferocytosis by up-regulating the levels of phospho-AMPKα, phospho-STAT3 and S1PR1, which was reversed by AMPK, STAT3 and S1PR1 inhibitors, respectively. Inhibition of STAT3 suppressed RSV-induced clearance of apoptotic neutrophils and exacerbated HIRI. CR mimetic, RSV, alleviates HIRI by promoting macrophages efferocytosis through AMPK/STAT3/S1PR1 pathway, providing valuable insights into the mechanisms underlying the protective effects of CR on attenuating HIRI.
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Affiliation(s)
- Xueya Yao
- Department of Anesthesiology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China; Key Laboratory of Anesthesiology (Shanghai Jiao Tong University), Ministry of Education, Shanghai, China
| | - Yingxiang Liu
- Department of Anesthesiology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China; Key Laboratory of Anesthesiology (Shanghai Jiao Tong University), Ministry of Education, Shanghai, China
| | - Menghan Mao
- Department of Anesthesiology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China; Key Laboratory of Anesthesiology (Shanghai Jiao Tong University), Ministry of Education, Shanghai, China
| | - Liqun Yang
- Department of Anesthesiology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China; Key Laboratory of Anesthesiology (Shanghai Jiao Tong University), Ministry of Education, Shanghai, China.
| | - Qionghui Zhan
- Department of Anesthesiology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China; Key Laboratory of Anesthesiology (Shanghai Jiao Tong University), Ministry of Education, Shanghai, China.
| | - Jie Xiao
- Department of Anesthesiology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China; Key Laboratory of Anesthesiology (Shanghai Jiao Tong University), Ministry of Education, Shanghai, China.
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Hu Y, Xu R, Feng J, Zhang Q, Zhang L, Li Y, Sun X, Gao J, Chen X, Du M, Chen Z, Liu X, Fan Y, Zhang Y. Identification of potential pathogenic hepatic super-enhancers regulatory network in high-fat diet induced hyperlipidemia. J Nutr Biochem 2024; 126:109584. [PMID: 38242178 DOI: 10.1016/j.jnutbio.2024.109584] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Revised: 01/11/2024] [Accepted: 01/15/2024] [Indexed: 01/21/2024]
Abstract
Hyperlipidemia (HLP) is a prevalent metabolic disorder and a significant risk factor for cardiovascular disease. According to recent discoveries, super-enhancers (SEs) play a role in the increased expression of genes that encode important regulators of both cellular identity and the progression of diseases. However, the underlying function of SEs in the development of HLP is still unknown. We performed an integrative analysis of data on H3K27ac ChIP-seq and RNA sequencing obtained from liver tissues of mice under a low-fat diet (LFD) and high-fat diet (HFD) from GEO database. The rank ordering of super enhancers algorithm was employed for the computation and identification of SEs. A total of 1,877 and 1,847 SEs were identified in the LFD and HFD groups, respectively. The SE inhibitor JQ1 was able to potently reverse lipid deposition and the increased intracellular triglyceride and total cholesterol induced by oleic acid, indicating that SEs are involved in regulating lipid accumulation. Two hundred seventy-eight were considered as HFD-specific SEs (HSEs). GO and KEGG pathway enrichment analysis of the upregulated HSEs-associated genes revealed that they were mainly involved in lipid metabolic pathway. Four hub genes, namely Cd36, Pex11a, Ech1, and Cidec, were identified in the HSEs-associated protein-protein interaction network, and validated with two other datasets. Finally, we constructed a HSEs-specific regulatory network with Cidec and Cd36 as the core through the prediction and verification of transcription factors. Our study constructed a HSEs-associated regulatory network in the pathogenesis of HLP, providing new ideas for the underlying mechanisms and therapeutic targets of HLP.
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Affiliation(s)
- Yingying Hu
- Department of Pharmacology (State-Province Key Laboratories of Biomedicine-Pharmaceutics of China and Key Laboratory of Cardiovascular Medicine Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, China
| | - Run Xu
- Department of Pharmacology (State-Province Key Laboratories of Biomedicine-Pharmaceutics of China and Key Laboratory of Cardiovascular Medicine Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, China
| | - Jing Feng
- Department of Pharmacology (State-Province Key Laboratories of Biomedicine-Pharmaceutics of China and Key Laboratory of Cardiovascular Medicine Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, China
| | - Qingwei Zhang
- Department of Pharmacology (State-Province Key Laboratories of Biomedicine-Pharmaceutics of China and Key Laboratory of Cardiovascular Medicine Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, China
| | - Lifu Zhang
- Unit 32680, People's Liberation Army of China, Shenyang, China
| | - Yiyang Li
- Department of Pharmacology (State-Province Key Laboratories of Biomedicine-Pharmaceutics of China and Key Laboratory of Cardiovascular Medicine Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, China
| | - Xiuxiu Sun
- Department of Pharmacology (State-Province Key Laboratories of Biomedicine-Pharmaceutics of China and Key Laboratory of Cardiovascular Medicine Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, China
| | - Jin Gao
- Department of Pharmacology (State-Province Key Laboratories of Biomedicine-Pharmaceutics of China and Key Laboratory of Cardiovascular Medicine Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, China
| | - Ximing Chen
- Department of Pharmacology (State-Province Key Laboratories of Biomedicine-Pharmaceutics of China and Key Laboratory of Cardiovascular Medicine Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, China
| | - Menghan Du
- Department of Pharmacology (State-Province Key Laboratories of Biomedicine-Pharmaceutics of China and Key Laboratory of Cardiovascular Medicine Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, China
| | - Zhouxiu Chen
- Department of Pharmacology (State-Province Key Laboratories of Biomedicine-Pharmaceutics of China and Key Laboratory of Cardiovascular Medicine Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, China
| | - Xin Liu
- Department of Pharmacology (State-Province Key Laboratories of Biomedicine-Pharmaceutics of China and Key Laboratory of Cardiovascular Medicine Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, China; State Key Laboratory of Frigid Zone Cardiovascular Diseases (SKLFZCD), Harbin, China.
| | - Yuhua Fan
- Department of Pharmacology (State-Province Key Laboratories of Biomedicine-Pharmaceutics of China and Key Laboratory of Cardiovascular Medicine Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, China; Department of Pathology and Pathophysiology, College of Basic Medical Sciences, Harbin Medical University-Daqing, Daqing, China.
| | - Yong Zhang
- Department of Pharmacology (State-Province Key Laboratories of Biomedicine-Pharmaceutics of China and Key Laboratory of Cardiovascular Medicine Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, China; State Key Laboratory of Frigid Zone Cardiovascular Diseases (SKLFZCD), Harbin, China; Institute of Metabolic Disease, Heilongjiang Academy of Medical Science, Harbin, China.
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Coate KC, Ramnanan CJ, Smith M, Winnick JJ, Kraft G, Irimia-Dominguez J, Farmer B, Donahue EP, Roach PJ, Cherrington AD, Edgerton DS. Integration of metabolic flux with hepatic glucagon signaling and gene expression profiles in the conscious dog. Am J Physiol Endocrinol Metab 2024; 326:E428-E442. [PMID: 38324258 DOI: 10.1152/ajpendo.00316.2023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Revised: 01/24/2024] [Accepted: 01/26/2024] [Indexed: 02/08/2024]
Abstract
Glucagon rapidly and profoundly stimulates hepatic glucose production (HGP), but for reasons that are unclear, this effect normally wanes after a few hours, despite sustained plasma glucagon levels. This study characterized the time course of glucagon-mediated molecular events and their relevance to metabolic flux in the livers of conscious dogs. Glucagon was either infused into the hepato-portal vein at a sixfold basal rate in the presence of somatostatin and basal insulin, or it was maintained at a basal level in control studies. In one control group, glucose remained at basal, whereas in the other, glucose was infused to match the hyperglycemia that occurred in the hyperglucagonemic group. Elevated glucagon caused a rapid (30 min) and largely sustained increase in hepatic cAMP over 4 h, a continued elevation in glucose-6-phosphate (G6P), and activation and deactivation of glycogen phosphorylase and synthase activities, respectively. Net hepatic glycogenolysis increased rapidly, peaking at 15 min due to activation of the cAMP/PKA pathway, then slowly returned to baseline over the next 3 h in line with allosteric inhibition by glucose and G6P. Glucagon's stimulatory effect on HGP was sustained relative to the hyperglycemic control group due to continued PKA activation. Hepatic gluconeogenic flux did not increase due to the lack of glucagon's effect on substrate supply to the liver. Global gene expression profiling highlighted glucagon-regulated activation of genes involved in cellular respiration, metabolic processes, and signaling, as well as downregulation of genes involved in extracellular matrix assembly and development.NEW & NOTEWORTHY Glucagon rapidly stimulates hepatic glucose production, but these effects are transient. This study links the molecular and metabolic flux changes that occur in the liver over time in response to a rise in glucagon, demonstrating the strength of the dog as a translational model to couple findings in small animals and humans. In addition, this study clarifies why the rapid effects of glucagon on liver glycogen metabolism are not sustained.
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Affiliation(s)
- Katie C Coate
- Division of Diabetes, Endocrinology and Metabolism, Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee, United States
| | - Christopher J Ramnanan
- Department of Innovation in Medical Education, University of Ottawa Faculty of Medicine, Ottawa, Ontario, Canada
| | - Marta Smith
- Department of Molecular Physiology and Biophysics, Vanderbilt University School of Medicine, Nashville, Tennessee, United States
| | - Jason J Winnick
- Division of Endocrinology, Diabetes and Metabolism, Department of Internal Medicine, University of Cincinnati College of Medicine, Cincinnati, Ohio, United States
| | - Guillaume Kraft
- Department of Molecular Physiology and Biophysics, Vanderbilt University School of Medicine, Nashville, Tennessee, United States
| | - Jose Irimia-Dominguez
- Department of Molecular and Cellular Endocrinology, Beckman Research Institute, Duarte, California, United States
| | - Ben Farmer
- Department of Molecular Physiology and Biophysics, Vanderbilt University School of Medicine, Nashville, Tennessee, United States
| | - E Patrick Donahue
- Division of Diabetes, Endocrinology and Metabolism, Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee, United States
| | - Peter J Roach
- Department of Biochemistry and Molecular Biology, Indiana University School of Medicine, Indianapolis, Indiana, United States
| | - Alan D Cherrington
- Department of Molecular Physiology and Biophysics, Vanderbilt University School of Medicine, Nashville, Tennessee, United States
| | - Dale S Edgerton
- Department of Molecular Physiology and Biophysics, Vanderbilt University School of Medicine, Nashville, Tennessee, United States
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Miyake T, Mochizuki T, Nakagawa T, Nakamura M, Emoto C, Komiyama N, Hirabayashi M, Tsuruta S, Shimojo T, Terao K, Tachibana T. Quantitative prediction of CYP3A-mediated drug-drug interactions by correctly estimating fraction metabolized using human liver chimeric mice. Br J Pharmacol 2024; 181:1091-1106. [PMID: 37872109 DOI: 10.1111/bph.16270] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2023] [Revised: 09/13/2023] [Accepted: 10/02/2023] [Indexed: 10/25/2023] Open
Abstract
BACKGROUND AND PURPOSE Fraction metabolized (fm ) and fraction transported (ft ) are important for understanding drug-drug interactions (DDIs) in drug discovery and development. However, current in vitro systems cannot accurately estimate in vivo fm due to inability to reflect the ft by efflux transporters (ft,efflux ). This study demonstrates how CYP3A-mediated DDI for CYP3A/P-gp substrates can be predicted using Hu-PXB mice as human liver chimeric mice. EXPERIMENTAL APPROACH For estimating human in vitro fm by CYP3A enzyme (fm,CYP3A,in vitro ), six drugs, including CYP3A/P-gp substrates (alprazolam, cyclosporine, docetaxel, midazolam, prednisolone, and theophylline) and human hepatocytes were incubated with or without ketoconazole as a CYP3A inhibitor. We calculated fm,CYP3A,in vitro based on hepatic intrinsic clearance. To estimate human in vivo fm,CYP3A (fm,CYP3A,in vivo ), we collected information on clinical DDI caused by ketoconazole for these six drugs. We calculated fm,CYP3A,in vivo using the change of total clearance (CLtotal ). For evaluating the human DDI predictability, the six drugs were administered intravenously to Hu-PXB and SCID mice with or without ketoconazole. We calculated the change of CLtotal caused by ketoconazole. We compared the CLtotal change in humans with that in Hu-PXB and SCID mice. KEY RESULTS The fm,CYP3A,in vitro was overestimated compared to the fm,CYP3A,in vivo . Hu-PXB mice showed much better correlation in the change of CLtotal with humans (R2 = 0.95) compared to SCID mice (R2 = 0.0058). CONCLUSIONS AND IMPLICATIONS CYP3A-mediated DDI can be predicted by correctly estimating human fm,CYP3A,in vivo using Hu-PXB mice. These mice could be useful predicting hepatic fm and ft,efflux .
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Affiliation(s)
- Taiji Miyake
- Pharmaceutical Science Department, Translational Research Div., Chugai Pharmaceutical Co., Ltd., Yokohama, Kanagawa, Japan
| | - Tatsuki Mochizuki
- Pharmaceutical Science Department, Translational Research Div., Chugai Pharmaceutical Co., Ltd., Yokohama, Kanagawa, Japan
| | - Toshito Nakagawa
- Pharmaceutical Science Department, Translational Research Div., Chugai Pharmaceutical Co., Ltd., Yokohama, Kanagawa, Japan
| | - Mikiko Nakamura
- Pharmaceutical Science Department, Translational Research Div., Chugai Pharmaceutical Co., Ltd., Yokohama, Kanagawa, Japan
| | - Chie Emoto
- Pharmaceutical Science Department, Translational Research Div., Chugai Pharmaceutical Co., Ltd., Yokohama, Kanagawa, Japan
| | - Natsuko Komiyama
- Chugai Research Institute for Medical Science Inc., Yokohama, Kanagawa, Japan
| | - Manabu Hirabayashi
- Chugai Research Institute for Medical Science Inc., Yokohama, Kanagawa, Japan
| | - Satoshi Tsuruta
- Pharmaceutical Science Department, Translational Research Div., Chugai Pharmaceutical Co., Ltd., Yokohama, Kanagawa, Japan
| | - Tomofumi Shimojo
- Pharmaceutical Science Department, Translational Research Div., Chugai Pharmaceutical Co., Ltd., Yokohama, Kanagawa, Japan
| | - Kimio Terao
- Pharmaceutical Science Department, Translational Research Div., Chugai Pharmaceutical Co., Ltd., Yokohama, Kanagawa, Japan
| | - Tatsuhiko Tachibana
- Pharmaceutical Science Department, Translational Research Div., Chugai Pharmaceutical Co., Ltd., Yokohama, Kanagawa, Japan
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Herrera-Marcos LV, Martínez-Beamonte R, Arnal C, Barranquero C, Puente-Lanzarote JJ, Lou-Bonafonte JM, Gonzalo-Romeo G, Mocciaro G, Jenkins B, Surra JC, Rodríguez-Yoldi MJ, Alastrué-Vera V, Letosa J, García-Gil A, Güemes A, Koulman A, Osada J. Lipidomic signatures discriminate subtle hepatic changes in the progression of porcine nonalcoholic steatohepatitis. Am J Physiol Gastrointest Liver Physiol 2024; 326:G411-G425. [PMID: 38375587 DOI: 10.1152/ajpgi.00264.2023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Revised: 02/05/2024] [Accepted: 02/11/2024] [Indexed: 02/21/2024]
Abstract
Recently, the development of nonalcoholic steatohepatitis (NASH) in common strains of pigs has been achieved using a diet high in saturated fat, fructose, cholesterol, and cholate and deficient in choline and methionine. The aim of the present work was to characterize the hepatic and plasma lipidomic changes that accompany the progression of NASH and its reversal by switching pigs back to a chow diet. One month of this extreme steatotic diet was sufficient to induce porcine NASH. The lipidomic platform using liquid chromatography-mass spectrometry analyzed 467 lipid species. Seven hepatic phospholipids [PC(30:0), PC(32:0), PC(33:0), PC(33:1), PC(34:0), PC(34:3) and PC(36:2)] significantly discriminated the time of dietary exposure, and PC(30:0), PC(33:0), PC(33:1) and PC(34:0) showed rapid adaptation in the reversion period. Three transcripts (CS, MAT1A, and SPP1) showed significant changes associated with hepatic triglycerides and PC(33:0). Plasma lipidomics revealed that these species [FA 16:0, FA 18:0, LPC(17:1), PA(40:5), PC(37:1), TG(45:0), TG(47:2) and TG(51:0)] were able to discriminate the time of dietary exposure. Among them, FA 16:0, FA 18:0, LPC(17:1) and PA(40:5) changed the trend in the reversion phase. Plasma LDL-cholesterol and IL12P40 were good parameters to study the progression of NASH, but their capacity was surpassed by hepatic [PC(33:0), PC(33:1), and PC(34:0)] or plasma lipid [FA 16:0, FA 18:0, and LPC(17:1)] species. Taken together, these lipid species can be used as biomarkers of metabolic changes in the progression and regression of NASH in this model. The lipid changes suggest that the development of NASH also affects peripheral lipid metabolism.NEW & NOTEWORTHY A NASH stage was obtained in crossbred pigs. Hepatic [PC(33:0), PC(33:1) and PC(34:0)] or plasma [FA 16:0, FA 18:0 and LPC(17:1)] species were sensitive parameters to detect subtle changes in development and regression of nonalcoholic steatohepatitis (NASH). These findings may delineate the liquid biopsy to detect subtle changes in progression or in treatments. Furthermore, phospholipid changes according to the insult-inducing NASH may play an important role in accepting or rejecting fatty livers in transplantation.
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Affiliation(s)
- Luis V Herrera-Marcos
- Departamento de Bioquímica y Biología Molecular y Celular, Facultad de Veterinaria, Instituto de Investigación Sanitaria de Aragón-Universidad de Zaragoza, Zaragoza, Spain
- Instituto Agroalimentario de Aragón, CITA-Universidad de Zaragoza, Zaragoza, Spain
| | - Roberto Martínez-Beamonte
- Departamento de Bioquímica y Biología Molecular y Celular, Facultad de Veterinaria, Instituto de Investigación Sanitaria de Aragón-Universidad de Zaragoza, Zaragoza, Spain
- Instituto Agroalimentario de Aragón, CITA-Universidad de Zaragoza, Zaragoza, Spain
- CIBER de Fisiopatología de la Obesidad y Nutrición, Instituto de Salud Carlos III, Madrid, Spain
| | - Carmen Arnal
- Instituto Agroalimentario de Aragón, CITA-Universidad de Zaragoza, Zaragoza, Spain
- Departamento de Patología Animal, Facultad de Veterinaria, Instituto de Investigación Sanitaria de Aragón-Universidad de Zaragoza, Zaragoza, Spain
- CIBER de Fisiopatología de la Obesidad y Nutrición, Instituto de Salud Carlos III, Madrid, Spain
| | - Cristina Barranquero
- Departamento de Bioquímica y Biología Molecular y Celular, Facultad de Veterinaria, Instituto de Investigación Sanitaria de Aragón-Universidad de Zaragoza, Zaragoza, Spain
- Instituto Agroalimentario de Aragón, CITA-Universidad de Zaragoza, Zaragoza, Spain
- CIBER de Fisiopatología de la Obesidad y Nutrición, Instituto de Salud Carlos III, Madrid, Spain
| | - Juan J Puente-Lanzarote
- Servicio de Bioquímica Clínica, Hospital Clínico Universitario Lozano Blesa, Zaragoza, Spain
| | - José M Lou-Bonafonte
- Instituto Agroalimentario de Aragón, CITA-Universidad de Zaragoza, Zaragoza, Spain
- Departamento de Farmacología, Fisiología, Medicina Legal y Forense, Instituto de Investigación Sanitaria de Aragón-Universidad de Zaragoza, Zaragoza, Spain
- CIBER de Fisiopatología de la Obesidad y Nutrición, Instituto de Salud Carlos III, Madrid, Spain
| | - Gonzalo Gonzalo-Romeo
- Servicio General de Apoyo a la Investigación, División de Experimentación Animal, Universidad de Zaragoza, Zaragoza, Spain
| | - Gabriele Mocciaro
- Core Metabolomics and Lipidomics Laboratory, University of Cambridge, Addenbrooke's Hospital, Cambridge, United Kingdom
| | - Benjamin Jenkins
- Core Metabolomics and Lipidomics Laboratory, University of Cambridge, Addenbrooke's Hospital, Cambridge, United Kingdom
| | - Joaquín C Surra
- Instituto Agroalimentario de Aragón, CITA-Universidad de Zaragoza, Zaragoza, Spain
- Departamento de Producción Animal y Ciencia de los Alimentos, Escuela Politécnica Superior de Huesca, Instituto de Investigación Sanitaria de Aragón-Universidad de Zaragoza, Huesca, Spain
- CIBER de Fisiopatología de la Obesidad y Nutrición, Instituto de Salud Carlos III, Madrid, Spain
| | - María J Rodríguez-Yoldi
- Instituto Agroalimentario de Aragón, CITA-Universidad de Zaragoza, Zaragoza, Spain
- Departamento de Farmacología, Fisiología, Medicina Legal y Forense, Instituto de Investigación Sanitaria de Aragón-Universidad de Zaragoza, Zaragoza, Spain
- CIBER de Fisiopatología de la Obesidad y Nutrición, Instituto de Salud Carlos III, Madrid, Spain
| | | | - Jesús Letosa
- Industrial Zootécnica Aragonesa S.L. (INZAR, S.L.), Zaragoza, Spain
| | - Agustín García-Gil
- Departamento de Cirugía, Facultad de Medicina, Instituto de Investigación Sanitaria de Aragón-Universidad de Zaragoza, Zaragoza, Spain
| | - Antonio Güemes
- Departamento de Cirugía, Facultad de Medicina, Instituto de Investigación Sanitaria de Aragón-Universidad de Zaragoza, Zaragoza, Spain
| | - Albert Koulman
- Core Metabolomics and Lipidomics Laboratory, University of Cambridge, Addenbrooke's Hospital, Cambridge, United Kingdom
| | - Jesús Osada
- Departamento de Bioquímica y Biología Molecular y Celular, Facultad de Veterinaria, Instituto de Investigación Sanitaria de Aragón-Universidad de Zaragoza, Zaragoza, Spain
- Instituto Agroalimentario de Aragón, CITA-Universidad de Zaragoza, Zaragoza, Spain
- CIBER de Fisiopatología de la Obesidad y Nutrición, Instituto de Salud Carlos III, Madrid, Spain
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