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Ferreira G, Vieira P, Alves A, Nunes S, Preguiça I, Martins-Marques T, Ribeiro T, Girão H, Figueirinha A, Salgueiro L, Pintado M, Gomes P, Viana S, Reis F. Effect of Blueberry Supplementation on a Diet-Induced Rat Model of Prediabetes-Focus on Hepatic Lipid Deposition, Endoplasmic Stress Response and Autophagy. Nutrients 2024; 16:513. [PMID: 38398840 PMCID: PMC10892331 DOI: 10.3390/nu16040513] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2024] [Revised: 02/06/2024] [Accepted: 02/09/2024] [Indexed: 02/25/2024] Open
Abstract
Blueberries, red fruits enriched in polyphenols and fibers, are envisaged as a promising nutraceutical intervention in a plethora of metabolic diseases. Prediabetes, an intermediate state between normal glucose tolerance and type 2 diabetes, fuels the development of complications, including hepatic steatosis. In previous work, we have demonstrated that blueberry juice (BJ) supplementation benefits glycemic control and lipid profile, which was accompanied by an amelioration of hepatic mitochondrial bioenergetics. The purpose of this study is to clarify the impact of long-term BJ nutraceutical intervention on cellular mechanisms that govern hepatic lipid homeostasis, namely autophagy and endoplasmic reticulum (ER) stress, in a rat model of prediabetes. Two groups of male Wistar rats, 8-weeks old, were fed a prediabetes-inducing high-fat diet (HFD) and one group was fed a control diet (CD). From the timepoint where the prediabetic phenotype was achieved (week 16) until the end of the study (week 24), one of the HFD-fed groups was daily orally supplemented with 25 g/kg body weight (BW) of BJ (HFD + BJ). BW, caloric intake, glucose tolerance and insulin sensitivity were monitored throughout the study. The serum and hepatic lipid contents were quantified. Liver and interscapular brown and epidydimal white adipose tissue depots (iBAT and eWAT) were collected for histological analysis and to assess thermogenesis, ER stress and autophagy markers. The gut microbiota composition and the short-chain fatty acids (SCFAs) content were determined in colon fecal samples. BJ supplementation positively impacted glycemic control but was unable to prevent obesity and adiposity. BJ-treated animals presented a reduction in fecal SCFAs, increased markers of arrested iBAT thermogenesis and energy expenditure, together with an aggravation of HFD-induced lipotoxicity and hepatic steatosis, which were accompanied by the inhibition of autophagy and ER stress responses in the liver. In conclusion, despite the improvement of glucose tolerance, BJ supplementation promoted a major impact on lipid management mechanisms at liver and AT levels in prediabetic animals, which might affect disease course.
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Affiliation(s)
- Gonçalo Ferreira
- Institute of Pharmacology & Experimental Therapeutics & Coimbra Institute for Clinical and Biomedical Research (iCBR), Faculty of Medicine, University of Coimbra, 3000-548 Coimbra, Portugal; (G.F.); (P.V.); (A.A.); (S.N.); (I.P.); (T.M.-M.); (H.G.); (P.G.); (S.V.)
- CIBB—Center for Innovative Biomedicine and Biotechnology, University of Coimbra, 3004–504 Coimbra, Portugal
- Clinical Academic Center of Coimbra (CACC), 3004-531 Coimbra, Portugal
| | - Pedro Vieira
- Institute of Pharmacology & Experimental Therapeutics & Coimbra Institute for Clinical and Biomedical Research (iCBR), Faculty of Medicine, University of Coimbra, 3000-548 Coimbra, Portugal; (G.F.); (P.V.); (A.A.); (S.N.); (I.P.); (T.M.-M.); (H.G.); (P.G.); (S.V.)
- CIBB—Center for Innovative Biomedicine and Biotechnology, University of Coimbra, 3004–504 Coimbra, Portugal
- Clinical Academic Center of Coimbra (CACC), 3004-531 Coimbra, Portugal
- Polytechnic Institute of Coimbra, ESTESC-Coimbra Health School, Pharmacy, 3045-043 Coimbra, Portugal
| | - André Alves
- Institute of Pharmacology & Experimental Therapeutics & Coimbra Institute for Clinical and Biomedical Research (iCBR), Faculty of Medicine, University of Coimbra, 3000-548 Coimbra, Portugal; (G.F.); (P.V.); (A.A.); (S.N.); (I.P.); (T.M.-M.); (H.G.); (P.G.); (S.V.)
- CIBB—Center for Innovative Biomedicine and Biotechnology, University of Coimbra, 3004–504 Coimbra, Portugal
- Clinical Academic Center of Coimbra (CACC), 3004-531 Coimbra, Portugal
| | - Sara Nunes
- Institute of Pharmacology & Experimental Therapeutics & Coimbra Institute for Clinical and Biomedical Research (iCBR), Faculty of Medicine, University of Coimbra, 3000-548 Coimbra, Portugal; (G.F.); (P.V.); (A.A.); (S.N.); (I.P.); (T.M.-M.); (H.G.); (P.G.); (S.V.)
- CIBB—Center for Innovative Biomedicine and Biotechnology, University of Coimbra, 3004–504 Coimbra, Portugal
- Clinical Academic Center of Coimbra (CACC), 3004-531 Coimbra, Portugal
- Polytechnic Institute of Coimbra, ESTESC-Coimbra Health School, Pharmacy, 3045-043 Coimbra, Portugal
| | - Inês Preguiça
- Institute of Pharmacology & Experimental Therapeutics & Coimbra Institute for Clinical and Biomedical Research (iCBR), Faculty of Medicine, University of Coimbra, 3000-548 Coimbra, Portugal; (G.F.); (P.V.); (A.A.); (S.N.); (I.P.); (T.M.-M.); (H.G.); (P.G.); (S.V.)
- CIBB—Center for Innovative Biomedicine and Biotechnology, University of Coimbra, 3004–504 Coimbra, Portugal
- Clinical Academic Center of Coimbra (CACC), 3004-531 Coimbra, Portugal
| | - Tânia Martins-Marques
- Institute of Pharmacology & Experimental Therapeutics & Coimbra Institute for Clinical and Biomedical Research (iCBR), Faculty of Medicine, University of Coimbra, 3000-548 Coimbra, Portugal; (G.F.); (P.V.); (A.A.); (S.N.); (I.P.); (T.M.-M.); (H.G.); (P.G.); (S.V.)
- CIBB—Center for Innovative Biomedicine and Biotechnology, University of Coimbra, 3004–504 Coimbra, Portugal
- Clinical Academic Center of Coimbra (CACC), 3004-531 Coimbra, Portugal
| | - Tânia Ribeiro
- CBQF—Centro de Biotecnologia e Química Fina—Laboratório Associado, Escola Superior de Biotecnologia, Universidade Católica Portuguesa, Rua Diogo Botelho 1327, 4169-005 Porto, Portugal; (T.R.); (M.P.)
| | - Henrique Girão
- Institute of Pharmacology & Experimental Therapeutics & Coimbra Institute for Clinical and Biomedical Research (iCBR), Faculty of Medicine, University of Coimbra, 3000-548 Coimbra, Portugal; (G.F.); (P.V.); (A.A.); (S.N.); (I.P.); (T.M.-M.); (H.G.); (P.G.); (S.V.)
- CIBB—Center for Innovative Biomedicine and Biotechnology, University of Coimbra, 3004–504 Coimbra, Portugal
- Clinical Academic Center of Coimbra (CACC), 3004-531 Coimbra, Portugal
| | - Artur Figueirinha
- Faculty of Pharmacy, University of Coimbra, 3000-548 Coimbra, Portugal; (A.F.); (L.S.)
- LAQV, REQUIMTE, Faculty of Pharmacy, University of Coimbra, 3000-548 Coimbra, Portugal
| | - Lígia Salgueiro
- Faculty of Pharmacy, University of Coimbra, 3000-548 Coimbra, Portugal; (A.F.); (L.S.)
- CERES, Chemical Engineering and Renewable Resources for Sustainability, Department of Chemical Engineering, University of Coimbra, 3030-790 Coimbra, Portugal
| | - Manuela Pintado
- CBQF—Centro de Biotecnologia e Química Fina—Laboratório Associado, Escola Superior de Biotecnologia, Universidade Católica Portuguesa, Rua Diogo Botelho 1327, 4169-005 Porto, Portugal; (T.R.); (M.P.)
| | - Pedro Gomes
- Institute of Pharmacology & Experimental Therapeutics & Coimbra Institute for Clinical and Biomedical Research (iCBR), Faculty of Medicine, University of Coimbra, 3000-548 Coimbra, Portugal; (G.F.); (P.V.); (A.A.); (S.N.); (I.P.); (T.M.-M.); (H.G.); (P.G.); (S.V.)
- CIBB—Center for Innovative Biomedicine and Biotechnology, University of Coimbra, 3004–504 Coimbra, Portugal
- Clinical Academic Center of Coimbra (CACC), 3004-531 Coimbra, Portugal
- Department of Biomedicine, Faculty of Medicine, University of Porto, 4200-319 Porto, Portugal
| | - Sofia Viana
- Institute of Pharmacology & Experimental Therapeutics & Coimbra Institute for Clinical and Biomedical Research (iCBR), Faculty of Medicine, University of Coimbra, 3000-548 Coimbra, Portugal; (G.F.); (P.V.); (A.A.); (S.N.); (I.P.); (T.M.-M.); (H.G.); (P.G.); (S.V.)
- CIBB—Center for Innovative Biomedicine and Biotechnology, University of Coimbra, 3004–504 Coimbra, Portugal
- Clinical Academic Center of Coimbra (CACC), 3004-531 Coimbra, Portugal
- Polytechnic Institute of Coimbra, ESTESC-Coimbra Health School, Pharmacy, 3045-043 Coimbra, Portugal
| | - Flávio Reis
- Institute of Pharmacology & Experimental Therapeutics & Coimbra Institute for Clinical and Biomedical Research (iCBR), Faculty of Medicine, University of Coimbra, 3000-548 Coimbra, Portugal; (G.F.); (P.V.); (A.A.); (S.N.); (I.P.); (T.M.-M.); (H.G.); (P.G.); (S.V.)
- CIBB—Center for Innovative Biomedicine and Biotechnology, University of Coimbra, 3004–504 Coimbra, Portugal
- Clinical Academic Center of Coimbra (CACC), 3004-531 Coimbra, Portugal
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Liang YJ, Chiou YW, Chiu APT, Shiao MS, Teng W, Lin CW, Cheng ML, Huang YH, Liang KH, Su CW, Lai CY, Chen CL, Wu JC. Antiviral therapy reduces hepatocellular carcinoma through suppressing hepatitis B virus replication may improve ER stress, mitochondrial and metabolic dysfunctions and decrease p62 in hybridized mice with single HBV transgene and miR-122. J Med Virol 2023; 95:e29325. [PMID: 38108211 DOI: 10.1002/jmv.29325] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2023] [Revised: 11/27/2023] [Accepted: 12/04/2023] [Indexed: 12/19/2023]
Abstract
Hepatitis B virus (HBV) hijacks autophagy for its replication. Nucleos(t)ide analogs (NUCs) treatment suppressed HBV replication and reduced hepatocellular carcinoma (HCC) incidence. However, the use of NUCs in chronic hepatitis B (CHB) patients with normal or minimally elevated serum alanine aminotransferase (ALT) levels is still debated. Animal models are crucial for studying the unanswered issue and evaluating new therapies. MicroRNA-122 (miR-122), which regulates fatty acid and cholesterol metabolism, is downregulated during hepatitis and HCC progression. The reciprocal inhibition of miR-122 with HBV highlights its role in HCC development as a tumor suppressor. By crossbreeding HBV-transgenic mice with miR-122 knockout mice, we generated a hybrid mouse model with a high incidence of HCC up to 89% and normal ALT levels before HCC. The model exhibited early-onset hepatic steatosis, progressive liver fibrosis, and impaired late-phase autophagy. Metabolomics and microarray analysis identified metabolic signatures, including dysregulation of lipid metabolism, inflammation, genomic instability, the Warburg effect, reduced TCA cycle flux, energy deficiency, and impaired free radical scavenging. Antiviral treatment reduced HCC incidence in hybrid mice by approximately 30-35% compared to untreated mice. This effect was linked to the activation of ER stress-responsive transcription factor ATF4, clearance of autophagosome cargo p62, and suppression of the CHOP-mediated apoptosis pathway. In summary, this study suggests that despite minimal ALT elevation, HBV replication can lead to liver injury. Endoplasmic reticulum stress, reduced miR-122 levels, mitochondrial and metabolic dysfunctions, blocking protective autophagy resulting in p62 accumulation, apoptosis, fibrosis, and HCC. Antiviral may improve the above-mentioned pathogenesis through HBV suppression.
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Affiliation(s)
- Yuh-Jin Liang
- Translational Research Division, Medical Research Department, Taipei Veterans General Hospital, Taipei, Taiwan, ROC
- Cancer Progression Research Center, National Yang Ming Chiao Tung University, Taiwan, ROC
- Institute of Clinical Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan, ROC
| | - Yu-Wei Chiou
- Translational Research Division, Medical Research Department, Taipei Veterans General Hospital, Taipei, Taiwan, ROC
| | - Abby Pei-Ting Chiu
- Department of Anesthesiology & Pain Medicine, University of Washington, Seattle, Washington, USA
- Department of Biology, University of Washington, Seattle, Washington, USA
| | - Ming-Shi Shiao
- Metabolomics Core Laboratory, Healthy Aging Research Center, Chang Gung University, Taoyuan, Taiwan, ROC
- Department of Biomedical Sciences, College of Medicine, Chang Gung University, Taoyuan, Taiwan, ROC
| | - Wei Teng
- Department of Gastroenterology & Hepatology, Chang Gung Memorial Hospital, Linkou, Taiwan, ROC
| | - Chin-Wei Lin
- Translational Research Division, Medical Research Department, Taipei Veterans General Hospital, Taipei, Taiwan, ROC
| | - Mei-Ling Cheng
- Metabolomics Core Laboratory, Healthy Aging Research Center, Chang Gung University, Taoyuan, Taiwan, ROC
- Department of Biomedical Sciences, College of Medicine, Chang Gung University, Taoyuan, Taiwan, ROC
- Clinical Metabolomics Core Laboratory, Chang Gung Memorial Hospital at Linkou, Taoyuan, Taiwan, ROC
| | - Yen-Hua Huang
- Center for Systems and Synthetic Biology and Institute of Biomedical Informatics, National Yang Ming Chiao Tung University, Taipei, Taiwan, ROC
| | - Kung-Hao Liang
- Translational Research Division, Medical Research Department, Taipei Veterans General Hospital, Taipei, Taiwan, ROC
| | - Chien-Wei Su
- Department of Medicine, Division of Gastroenterology and Hepatology, Taipei Veterans General Hospital, Taipei, Taiwan, ROC
- Department of Medicine, Division of General Medicine, Taipei Veterans General Hospital, Taipei, Taiwan, ROC
- Department of Medicine, Division of Holistic and Multidisciplinary Medicine, Taipei Veterans General Hospital, Taipei, Taiwan, ROC
- Department of Internal Medicine, School of Medicine, College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan, ROC
| | - Chi-Yu Lai
- Translational Research Division, Medical Research Department, Taipei Veterans General Hospital, Taipei, Taiwan, ROC
| | - Chih-Li Chen
- School of Medicine, College of Medicine, Fu Jen Catholic University, New Taipei City, Taiwan, ROC
| | - Jaw-Ching Wu
- Translational Research Division, Medical Research Department, Taipei Veterans General Hospital, Taipei, Taiwan, ROC
- Cancer Progression Research Center, National Yang Ming Chiao Tung University, Taiwan, ROC
- Institute of Clinical Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan, ROC
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Luna-Marco C, Ubink A, Kopsida M, Heindryckx F. Endoplasmic Reticulum Stress and Metabolism in Hepatocellular Carcinoma. THE AMERICAN JOURNAL OF PATHOLOGY 2023; 193:1377-1388. [PMID: 36309104 DOI: 10.1016/j.ajpath.2022.09.012] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Revised: 08/23/2022] [Accepted: 09/20/2022] [Indexed: 11/05/2022]
Abstract
Hepatocellular carcinoma (HCC) is the most common type of primary liver cancer, accounting for 85% to 90% of all liver cancer cases. It is a hepatocyte-derived primary tumor, causing 550,000 deaths per year, ranking it as one of the most common cancers worldwide. The liver is a highly metabolic organ with multiple functions, including digestion, detoxification, breakdown of fats, and production of bile and cholesterol, in addition to storage of vitamins, glycogen, and minerals, and synthesizing plasma proteins and clotting factors. Due to these fundamental and diverse functions, the malignant transformation of hepatic cells can have a severe impact on the liver's metabolism. Furthermore, tumorigenesis is often accompanied by activation of the endoplasmic reticulum (ER) stress pathways, which are known to be highly intertwined with several metabolic pathways. Because HCC is characterized by changes in the metabolome and by an aberrant activation of the ER stress pathways, the aim of this review was to summarize the current knowledge that links ER stress and metabolism in HCC, thereby focusing on potential therapeutic targets.
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Affiliation(s)
- Clara Luna-Marco
- Department of Medical Cell Biology, Uppsala University, Uppsala, Sweden
| | - Anna Ubink
- Department of Medical Cell Biology, Uppsala University, Uppsala, Sweden
| | - Maria Kopsida
- Department of Medical Cell Biology, Uppsala University, Uppsala, Sweden
| | - Femke Heindryckx
- Department of Medical Cell Biology, Uppsala University, Uppsala, Sweden.
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Chen G, Ren C, Xiao Y, Wang Y, Yao R, Wang Q, You G, Lu M, Yan S, Zhang X, Zhang J, Yao Y, Zhou H. Time-resolved single-cell transcriptomics reveals the landscape and dynamics of hepatic cells in sepsis-induced acute liver dysfunction. JHEP Rep 2023; 5:100718. [PMID: 37122356 PMCID: PMC10130477 DOI: 10.1016/j.jhepr.2023.100718] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/15/2022] [Revised: 02/14/2023] [Accepted: 02/16/2023] [Indexed: 05/02/2023] Open
Abstract
Background & Aims Sepsis-induced acute liver dysfunction often occurs early in sepsis and can exacerbate the pathology by triggering multiple organ dysfunction and increasing lethality. Nevertheless, our understanding of the cellular heterogeneity and dynamic regulation of major nonparenchymal cell lineages remains unclear. Methods Here, single-cell RNA sequencing was used to profile multiple nonparenchymal cell subsets and dissect their crosstalk during sepsis-induced acute liver dysfunction in a clinically relevant polymicrobial sepsis model. The transcriptomes of major liver nonparenchymal cells from control and sepsis mice were analysed. The alterations in the endothelial cell and neutrophil subsets that were closely associated with acute liver dysfunction were validated using multiplex immunofluorescence staining. In addition, the therapeutic efficacy of inhibiting activating transcription factor 4 (ATF4) in sepsis and sepsis-induced acute liver dysfunction was explored. Results Our results present the dynamic transcriptomic landscape of major nonparenchymal cells at single-cell resolution. We observed significant alterations and heterogeneity in major hepatic nonparenchymal cell subsets during sepsis. Importantly, we identified endothelial cell (CD31+Sele+Glut1+) and neutrophil (Ly6G+Lta4h+Sort1+) subsets that were closely associated with acute liver dysfunction during sepsis progression. Furthermore, we found that ATF4 inhibition alleviated sepsis-induced acute liver dysfunction, prolonging the survival of septic mice. Conclusions These results elucidate the potential mechanisms and subsequent therapeutic targets for the prevention and treatment of sepsis-induced acute liver dysfunction and other liver-related diseases. Impact and Implications Sepsis-induced acute liver dysfunction often occurs early in sepsis and can lead to the death of the patient. Nevertheless, the pathogenesis of sepsis-induced acute liver dysfunction is not yet clear. We identified the major cell types associated with acute liver dysfunction and explored their interactions during sepsis. In addition, we also found that ATF-4 inhibition could be invoked as a potential therapeutic for sepsis-induced acute liver dysfunction.
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Affiliation(s)
- Gan Chen
- Institute of Health Service and Transfusion Medicine, Academy of Military Medical Sciences, Beijing, China
- Corresponding authors. Addresses: Institute of Health Service and Transfusion Medicine, Academy of Military Medical Sciences, Beijing 100850, China.
| | - Chao Ren
- Translational Medicine Research Center, Fourth Medical Center and Medical Innovation Research Division of the Chinese PLA General Hospital, Beijing, China
- Department of Pulmonary and Critical Care Medicine, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China
| | - Yao Xiao
- Institute of Health Service and Transfusion Medicine, Academy of Military Medical Sciences, Beijing, China
| | - Yujing Wang
- Institute of Health Service and Transfusion Medicine, Academy of Military Medical Sciences, Beijing, China
| | - Renqi Yao
- Translational Medicine Research Center, Fourth Medical Center and Medical Innovation Research Division of the Chinese PLA General Hospital, Beijing, China
| | - Quan Wang
- Institute of Health Service and Transfusion Medicine, Academy of Military Medical Sciences, Beijing, China
| | - Guoxing You
- Institute of Health Service and Transfusion Medicine, Academy of Military Medical Sciences, Beijing, China
| | - Mingzi Lu
- Beijing Science and Technology Innovation Research Center, Beijing, China
| | - Shaoduo Yan
- Institute of Health Service and Transfusion Medicine, Academy of Military Medical Sciences, Beijing, China
| | - Xiaoyong Zhang
- Institute of Health Service and Transfusion Medicine, Academy of Military Medical Sciences, Beijing, China
| | - Jun Zhang
- Institute of Health Service and Transfusion Medicine, Academy of Military Medical Sciences, Beijing, China
| | - Yongming Yao
- Translational Medicine Research Center, Fourth Medical Center and Medical Innovation Research Division of the Chinese PLA General Hospital, Beijing, China
- Translational Medicine Research Center, Fourth Medical Center and Medical Innovation Research Division of the Chinese PLA General Hospital, Beijing 100048, China.
| | - Hong Zhou
- Institute of Health Service and Transfusion Medicine, Academy of Military Medical Sciences, Beijing, China
- Corresponding authors. Addresses: Institute of Health Service and Transfusion Medicine, Academy of Military Medical Sciences, Beijing 100850, China.
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Abdel-Megeed RM, Kadry MO. Amelioration of autophagy and inflammatory signaling pathways via α-lipoic acid, burdock and bee pollen versus lipopolysaccharide-induced insulin resistance in murine model. Heliyon 2023; 9:e15692. [PMID: 37139293 PMCID: PMC10149403 DOI: 10.1016/j.heliyon.2023.e15692] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2023] [Revised: 04/11/2023] [Accepted: 04/19/2023] [Indexed: 05/05/2023] Open
Abstract
Lipopolysaccharide (LPS) has previously been implicated in insulin resistance by generating an innate immune response and activating inflammatory cascades. Many studies have discovered a relationship between high levels of serum LPS and the advancement of diabetic microvascular problems, indicating that LPS may play a role in the control of critical signaling pathways connected to insulin resistance. The current study focused on signaling pathways linked to insulin resistance and explored probable mechanisms of LPS-induced insulin resistance in a murine model. It next looked at the effects of burdock, bee pollen, and -lipoic acid on LPS-induced inflammation and autoimmune defects in rats. LPS intoxication was induced via ip injection for one week in a dose of 10 mg/kg followed by α-lipoic acid, Burdock and bee pollen in an oral treatment for one month. Following that, biochemical and molecular studies were performed. The RNA expression of the regulating genes STAT5A and PTEN was measured. In addition, ATF-4 and CHOP as autophagy biomarkers were also subjected to mRNA quantification. The results demonstrated a considerable improvement in the -lipoic acid, Burdock, and bee pollen treated groups via modifying oxidative stress indicators as well as molecular ones. Furthermore, glucose concentration in serum and α-amylase were also improved upon treatment with the superiority of α-lipoic acid for modulating all estimated parameters. In conclusion: the results declared in the current study suggested that α-lipoic acid could regulate insulin resistance signaling pathways induced by LPS intoxication.
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Franklin ZJ, Croce L, Dekeryte R, Delibegovic M, Platt B. BACE cleavage of APP does not drive the diabetic phenotype of PLB4 mice. Neurobiol Dis 2023; 182:106142. [PMID: 37137417 DOI: 10.1016/j.nbd.2023.106142] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2023] [Revised: 04/26/2023] [Accepted: 04/29/2023] [Indexed: 05/05/2023] Open
Abstract
BACKGROUND Alzheimer's Disease (AD) and Type 2 Diabetes Mellitus (T2DM), two prevalent diseases related to ageing, often share common pathologies including increased inflammation, endoplasmic reticulum (ER) stress, and impaired metabolic homeostasis predominantly affecting different organs. Therefore, it was unexpected to find in a previous study that neuronal hBACE1 knock-in (PLB4 mouse) leads to both an AD- and T2DM- like phenotype. The complexity of this co-morbidity phenotype required a deeper systems approach to explore the age-related changes in AD and T2DM-like pathologies of the PLB4 mouse. Therefore, we here analysed key neuronal and metabolic tissues comparing associated pathologies to those of normal ageing. METHODS Glucose tolerance, insulin sensitivity and protein turnover were assessed in 5-h fasted 3- and 8-month-old male PLB4 and wild-type mice. Western Blot and quantitative PCR were performed to determine regulation of homeostatic and metabolic pathways in insulin-stimulated brain, liver and muscle tissue. RESULTS Neuronal hBACE1 expression caused early pathological cleavage of APP (increased monomeric Aβ (mAβ) levels at 3-months), in parallel with brain ER stress (increased phosphorylation of the translation regulation factor (p-eIF2α) and the chaperone binding immunoglobulin protein (BIP)). However, APP processing shifted over time (higher full-length APP and sAPPβ levels, alongside lower mAβ and secreted APPα at 8 months), along with increased ER stress (phosphorylated/total inositol-requiring enzyme 1α (IRE1α)) in brain and liver. Metabolically, systemic glucose intolerance was evident from 3 months, yet metabolic signalling varied greatly between tissues and ages, and was confined to the periphery (muscle insulin receptors (IR), dipeptidyl-peptidase-4 (DPP4) levels, and decreased phosphorylated protein Kinase B (p-Akt), alongside increased liver DPP4 and fibroblast growth factor 21 (FGF21)), all of which normalised to wild-type levels at 8 months. CONCLUSION Our data suggest that the murine nervous system is affected early by APP misprocessing as a result of hBACE1 introduction, which coincided with ER stress, but not IR changes, and was alleviated with age. Peripheral metabolic alterations occurred early and revealed tissue-specific (liver vs. muscle) adaptations in metabolic markers but did not correlate with neuronal APP processing. Compensatory vs. contributory neuronal mechanisms associated with hBACE1 expression at different ages may explain why mice intrinsically do not develop AD pathologies and may offer new insights for future interventions.
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Affiliation(s)
- Z J Franklin
- Institute of Medical Sciences, School of Medicine, Medical Sciences & Nutrition, Foresterhill, University of Aberdeen, Aberdeen AB25 2ZD, Scotland, UK
| | - L Croce
- Institute of Medical Sciences, School of Medicine, Medical Sciences & Nutrition, Foresterhill, University of Aberdeen, Aberdeen AB25 2ZD, Scotland, UK
| | - R Dekeryte
- Institute of Medical Sciences, School of Medicine, Medical Sciences & Nutrition, Foresterhill, University of Aberdeen, Aberdeen AB25 2ZD, Scotland, UK
| | - M Delibegovic
- Institute of Medical Sciences, School of Medicine, Medical Sciences & Nutrition, Foresterhill, University of Aberdeen, Aberdeen AB25 2ZD, Scotland, UK
| | - B Platt
- Institute of Medical Sciences, School of Medicine, Medical Sciences & Nutrition, Foresterhill, University of Aberdeen, Aberdeen AB25 2ZD, Scotland, UK.
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PRE-084 ameliorated kidney injury by reducing endoplasmic reticulum stress in the rat model of adenine-induced chronic kidney disease. Mol Biol Rep 2023; 50:3681-3691. [PMID: 36826683 DOI: 10.1007/s11033-023-08303-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Accepted: 01/23/2023] [Indexed: 02/25/2023]
Abstract
BACKGROUND Endoplasmic reticulum (ER) stress plays an important role in the development of chronic kidney disease (CKD). Sigma-1 receptors (σ1Rs) are novel chaperone proteins that regulate ER stress. However, effect of σ1R activation on renal ER stress is yet unexplored. So, in the present study we investigated the effects of PRE-084, a σ1R agonist on renal injury and ER stress in the rat model of CKD. METHODS CKD group rats were fed adenine for 28 days and CKD treatment group rats were additionally administered PRE-084 intraperitoneally at 1, 3 and 10 mg/kg body weight dose from Day 22-28. ER stress markers were evaluated using molecular biology techniques such as immunohistochemistry and Western blot. RESULTS Marked kidney injury was observed in CKD rats as revealed by biochemical and histological findings. Expression of ER stress proteins such as phosphorylated protein kinase R-like ER kinase (p-PERK), cleaved activating transcription factor-6 (ATF-6f), phosphorylated inositol requiring enzyme1α (p-IRE1α) and caspase-12 were higher in CKD rats. Nevertheless, CKD rats treated with PRE-084 particularly at 10 mg/kg dose showed considerably lesser kidney injury along with higher expression of σ1R and marked reduction of all the ER stress proteins studied. CONCLUSION Results reveal that PRE-084 likely ameliorated the adenine-induced kidney injury by lowering ER stress through increased σ1R expression.
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Mitochondrial-Endoplasmic Reticulum Communication-Mediated Oxidative Stress and Autophagy. BIOMED RESEARCH INTERNATIONAL 2022; 2022:6459585. [PMID: 36164446 PMCID: PMC9509228 DOI: 10.1155/2022/6459585] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Revised: 06/18/2022] [Accepted: 08/22/2022] [Indexed: 12/03/2022]
Abstract
Oxidative stress is an imbalance between free radicals and the antioxidant system causing overgeneration of free radicals (oxygen-containing molecules) ultimately leading to oxidative damage in terms of lipid peroxidation, protein denaturation, and DNA mutation. Oxidative stress can activate autophagy to alleviate oxidative damage and maintain normal physiological activities of cells by degrading damaged organelles or local cytoplasm. When oxidative stress is not eliminated by autophagy, it activates the apoptosis cascade. This review provides a brief summary of mitochondrial-endoplasmic reticulum communication-mediated oxidative stress and autophagy. Mitochondria and endoplasmic reticulum being important organelles in cells are directly or indirectly connected to each other through mitochondria-associated endoplasmic reticulum membranes and jointly regulate oxidative stress and autophagy. The reactive oxygen species (ROS) produced by the mitochondrial respiratory chain are the main inducers of oxidative stress. Damaged mitochondria can be effectively cleared by the process of mitophagy mediated by PINK1/parkin pathway, Nix/BNIP3 pathways, and FUNDC1 pathway, avoiding excessive ROS production. However, the mechanism of mitochondrial-endoplasmic reticulum communication in the regulation of oxidative stress and autophagy is rarely known. For this reason, this review explores the mutual connection of mitochondria and endoplasmic reticulum in mediating oxidative stress and autophagy through ROS and Ca2+ and aims to provide part of the theoretical basis for alleviating oxidative stress through autophagy mediated by mitochondrial-endoplasmic reticulum communication.
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Kumar Pandey V, Mathur A, Fareed Khan M, Kakkar P. Endoplasmic reticulum stress induces degradation of glucose transporter proteins during hyperglycemic hepatotoxicity: Role of PERK-eIF2α-ATF4 axis. Eur J Pharmacol 2022; 926:175012. [PMID: 35568065 DOI: 10.1016/j.ejphar.2022.175012] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2022] [Revised: 04/20/2022] [Accepted: 05/04/2022] [Indexed: 11/03/2022]
Abstract
Hyperglycemia induced reactive oxygen species oxidize macromolecules including cellular proteins leading to their accumulation in Endoplasmic Reticulum (ER) lumen which in turn activates unfolded protein response (UPR) sensors including, PERK (Protein Kinase RNA-Like ER Kinase). Activated PERK induces ER associated degradation of misfolded proteins to lower the ER stress. In the present study, we hypothesized that ER stress leads to the degradation of glucose transporter proteins resulting in complex glucose metabolism. In vivo studies were carried out in the experimental model of hyperglycemia using streptozotocin/nicotinamide induced diabetic male Wistar rats. High glucose (30mM) treated HepG2 cells were used to perform the mechanistic study at different time points. PERK gene knockdown (siRNA transfection) and inhibition by ISRIB (Integrated Stress Response Inhibitor, a potent inhibitor of PERK signaling) confirmed the involvement of PERK axis in regulating the expression and translocation of hepatic glucose transporters. Co-immunoprecipitation and dual immunostaining studies further demonstrated increased degradation of GLUT proteins under high glucose conditions. Moreover, Morin (3,5,7,2',4' pentahydroxyflavone) treatment prevented PERK-eIF2α-ATF4 mediated degradation of glucose transporters and enhanced glucose uptake in both, HepG2 cells and diabetic rats. Targeting aberrant regulation of the expression and translocation of facilitative glucose transporter proteins (GLUT proteins) may provide novel therapeutic strategies for the better management of diabetes.
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Affiliation(s)
- Vivek Kumar Pandey
- Herbal Research Laboratory, CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhawan, 31, M.G Marg, Lucknow, 226001, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh, 201002, India; Department of Pharmacology and Nutritional Sciences, University of Kentucky, USA.
| | - Alpana Mathur
- Herbal Research Laboratory, CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhawan, 31, M.G Marg, Lucknow, 226001, India
| | - Mohammad Fareed Khan
- Herbal Research Laboratory, CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhawan, 31, M.G Marg, Lucknow, 226001, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh, 201002, India
| | - Poonam Kakkar
- Herbal Research Laboratory, CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhawan, 31, M.G Marg, Lucknow, 226001, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh, 201002, India.
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Prasad M K, Mohandas S, Ramkumar KM. Role of ER stress inhibitors in the management of diabetes. Eur J Pharmacol 2022; 922:174893. [DOI: 10.1016/j.ejphar.2022.174893] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2022] [Revised: 03/07/2022] [Accepted: 03/09/2022] [Indexed: 12/14/2022]
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Ortega JT, Parmar T, Carmena-Bargueño M, Pérez-Sánchez H, Jastrzebska B. Flavonoids improve the stability and function of P23H rhodopsin slowing down the progression of retinitis pigmentosa in mice. J Neurosci Res 2022; 100:1063-1083. [PMID: 35165923 PMCID: PMC9615108 DOI: 10.1002/jnr.25021] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Revised: 11/29/2021] [Accepted: 12/29/2021] [Indexed: 12/22/2022]
Abstract
The balanced homeostasis of the G protein-coupled receptor (GPCR), rhodopsin (Rho), is required for vision. Misfolding mutations in Rho cause photoreceptor death, leading to retinitis pigmentosa (RP) and consequently blindness. With no cure currently available, the development of efficient therapy for RP is an urgent need. Pharmacological supplementation with molecular chaperones, including flavonoids, improves stability, folding, and membrane targeting of the RP Rho mutants in vitro. Thus, we hypothesized that flavonoids by binding to P23H Rho and enhancing its conformational stability could mitigate detrimental effects of this mutation on retinal health. In this work, we evaluated the pharmacological potential of two model flavonoids, quercetin and myricetin, by using in silico, in vitro, and in vivo models of P23H Rho. Our computational analysis showed that quercetin could interact within the orthosteric binding pocket of P23H Rho and shift the conformation of its N-terminal loop toward the wild type (WT)-like state. Quercetin added to the NIH-3T3 cells stably expressing P23H Rho increased the stability of this receptor and improved its function. Systemic administration of quercetin to P23H Rho knock-in mice substantially improved retinal morphology and function, which was associated with an increase in levels of Rho and cone opsins. In addition, treatment with quercetin resulted in downregulation of the UPR signaling and oxidative stress-related markers. This study unravels the pharmacological potential of quercetin to slow down the progression of photoreceptor death in Rho-related RP and highlights its prospective as a lead compound to develop a novel therapeutic remedy to counter RP pathology.
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Affiliation(s)
- Joseph Thomas Ortega
- Department of Pharmacology, Cleveland Center for Membrane and Structural Biology, School of Medicine, Case Western Reserve University, Cleveland, Ohio, USA
| | - Tanu Parmar
- Department of Pharmacology, Cleveland Center for Membrane and Structural Biology, School of Medicine, Case Western Reserve University, Cleveland, Ohio, USA
| | - Miguel Carmena-Bargueño
- Structural Bioinformatics and High Performance Computing Research Group (BIO-HPC), UCAM Universidad Católica de Murcia, Guadalupe, Spain
| | - Horacio Pérez-Sánchez
- Structural Bioinformatics and High Performance Computing Research Group (BIO-HPC), UCAM Universidad Católica de Murcia, Guadalupe, Spain
| | - Beata Jastrzebska
- Department of Pharmacology, Cleveland Center for Membrane and Structural Biology, School of Medicine, Case Western Reserve University, Cleveland, Ohio, USA
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Endoplasmic reticulum stress-dependent activation of TRB3-FoxO1 signaling pathway exacerbates hyperglycemic nephrotoxicity: Protection accorded by naringenin. Eur J Pharmacol 2022; 917:174745. [PMID: 34998792 DOI: 10.1016/j.ejphar.2022.174745] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Revised: 12/07/2021] [Accepted: 01/03/2022] [Indexed: 12/22/2022]
Abstract
Endoplasmic reticulum (ER) dysfunction contributes greatly to the pathophysiology of hyperglycemic nephrotoxicity. This study unravels the critical role of Tribbles 3 (TRB3)-Forkhead box O1 (FoxO1) signaling pathway during hyperglycemic renal toxicity. It also uncovers the novel role of Naringenin, a flavanone, in regulating ER stress in proximal tubular cells, NRK 52E, and kidneys of streptozotocin/nicotinamide induced experimental diabetic Wistar rats. Results demonstrate that expression of ER stress marker proteins including phosphorylated protein kinase ER like kinase (p-PERK), phosphorylated eukaryotic Initiation Factor 2α (p-eIF2α), X Box Binding Protein 1 spliced (XBP1s), Activating Transcription Factor 4 (ATF4) and C/EBP Homologous Protein (CHOP) were upregulated in diabetic kidneys indicating the activation of ER stress response due to nephrotoxicity. Treatment with Naringenin reduced the expression of TRB3, an ER stress-inducible pseudokinase, both in vitro and in vivo. Gene silencing of TRB3 enhanced Akt and FoxO1 phosphorylation and alleviated FoxO1 mediated apoptosis during hyperglycemic nephrotoxicity. Notably, TRB3 gene silencing effects were comparable to the response with Naringenin treatment. Prevention of nuclear colocalization of ATF4 and CHOP in Naringenin treated cells was evident. Naringenin also reduced insulin resistance, apoptosis and glycogen accumulation along with enhancement of glucose tolerance in diabetic rats. Prevention of ultrastructural aberrations in the ER of hyperglycemic renal cells by Naringenin confirmed its anti-ER stress effects. These findings affirm that activation of TRB3-FoxO1 signaling is critical in the pathogenesis of hyperglycemia-induced renal toxicity and protective effect of Naringenin via modulation of ER stress may be exploited as a novel approach for its management.
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Przeor M. Some Common Medicinal Plants with Antidiabetic Activity, Known and Available in Europe (A Mini-Review). Pharmaceuticals (Basel) 2022; 15:ph15010065. [PMID: 35056122 PMCID: PMC8778315 DOI: 10.3390/ph15010065] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Revised: 12/13/2021] [Accepted: 12/15/2021] [Indexed: 02/07/2023] Open
Abstract
Diabetes is a metabolic disease that affected 9.3% of adults worldwide in 2019. Its co-occurrence is suspected to increase mortality from COVID-19. The treatment of diabetes is mainly based on the long-term use of pharmacological agents, often expensive and causing unpleasant side effects. There is an alarming increase in the number of pharmaceuticals taken in Europe. The aim of this paper is to concisely collect information concerning the few antidiabetic or hypoglycaemic raw plant materials that are present in the consciousness of Europeans and relatively easily accessible to them on the market and sometimes even grown on European plantations. The following raw materials are discussed in this mini-review: Morus alba L., Cinnamomum zeylanicum J.Presl, Trigonella foenum-graecum L., Phaseolus vulgaris L., Zingiber officinale Rosc., and Panax ginseng C.A.Meyer in terms of scientifically tested antidiabetic activity and the presence of characteristic biologically active compounds and their specific properties, including antioxidant properties. The characteristics of these raw materials are based on in vitro as well as in vivo studies: on animals and in clinical studies. In addition, for each plant, the possibility to use certain morphological elements in the light of EFSA legislation is given.
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Affiliation(s)
- Monika Przeor
- Department of Gastronomy Science and Functional Foods, Poznań University of Life Sciences, 60-637 Poznań, Poland
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Ajoolabady A, Wang S, Kroemer G, Klionsky DJ, Uversky VN, Sowers JR, Aslkhodapasandhokmabad H, Bi Y, Ge J, Ren J. ER Stress in Cardiometabolic Diseases: From Molecular Mechanisms to Therapeutics. Endocr Rev 2021; 42:839-871. [PMID: 33693711 DOI: 10.1210/endrev/bnab006] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Indexed: 02/08/2023]
Abstract
The endoplasmic reticulum (ER) hosts linear polypeptides and fosters natural folding of proteins through ER-residing chaperones and enzymes. Failure of the ER to align and compose proper protein architecture leads to accumulation of misfolded/unfolded proteins in the ER lumen, which disturbs ER homeostasis to provoke ER stress. Presence of ER stress initiates the cytoprotective unfolded protein response (UPR) to restore ER homeostasis or instigates a rather maladaptive UPR to promote cell death. Although a wide array of cellular processes such as persistent autophagy, dysregulated mitophagy, and secretion of proinflammatory cytokines may contribute to the onset and progression of cardiometabolic diseases, it is well perceived that ER stress also evokes the onset and development of cardiometabolic diseases, particularly cardiovascular diseases (CVDs), diabetes mellitus, obesity, and chronic kidney disease (CKD). Meanwhile, these pathological conditions further aggravate ER stress, creating a rather vicious cycle. Here in this review, we aimed at summarizing and updating the available information on ER stress in CVDs, diabetes mellitus, obesity, and CKD, hoping to offer novel insights for the management of these cardiometabolic comorbidities through regulation of ER stress.
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Affiliation(s)
- Amir Ajoolabady
- University of Wyoming College of Health Sciences, Laramie, Wyoming 82071, USA
| | - Shuyi Wang
- University of Wyoming College of Health Sciences, Laramie, Wyoming 82071, USA
- School of Medicine Shanghai University, Shanghai 200444, China
| | - Guido Kroemer
- Centre de Recherche des Cordeliers, Equipe labellisée par la Ligue contre le cancer, Université de Paris, Sorbonne Université, Inserm U1138, Institut Universitaire de France, Paris, France
- Metabolomics and Cell Biology Platforms, Institut Gustave Roussy, Villejuif, France
- Pôle de Biologie, Hôpital Européen Georges Pompidou, AP-HP, Paris, France
- Suzhou Institute for Systems Medicine, Chinese Academy of Medical Sciences, Suzhou, China
- Karolinska Institute, Department of Women's and Children's Health, Karolinska University Hospital, Stockholm, Sweden
| | - Daniel J Klionsky
- Life Sciences Institute and Department of Molecular, Cellular and Developmental Biology, University of Michigan, Ann Arbor, Michigan 48109, USA
| | - Vladimir N Uversky
- Department of Molecular Medicine, Morsani College of Medicine, University of South Florida, Tampa, Florida 33612, USA
| | - James R Sowers
- Dalton and Diabetes and Cardiovascular Center, University of Missouri Columbia, Columbia, Missouri 65212, USA
| | | | - Yaguang Bi
- Shanghai Institute of Cardiovascular Diseases, Department of Cardiology, Zhongshan Hospital Fudan University, Shanghai 200032, China
| | - Junbo Ge
- Shanghai Institute of Cardiovascular Diseases, Department of Cardiology, Zhongshan Hospital Fudan University, Shanghai 200032, China
| | - Jun Ren
- University of Wyoming College of Health Sciences, Laramie, Wyoming 82071, USA
- Shanghai Institute of Cardiovascular Diseases, Department of Cardiology, Zhongshan Hospital Fudan University, Shanghai 200032, China
- Department of Laboratory Medicine and Pathology, University of Washington, Seattle, Washington 98195, USA
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15
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Juillerat-Jeanneret L, Tafelmeyer P, Golshayan D. Regulation of Fibroblast Activation Protein-α Expression: Focus on Intracellular Protein Interactions. J Med Chem 2021; 64:14028-14045. [PMID: 34523930 DOI: 10.1021/acs.jmedchem.1c01010] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The prolyl-specific peptidase fibroblast activation protein-α (FAP-α) is expressed at very low or undetectable levels in nondiseased human tissues but is selectively induced in activated (myo)fibroblasts at sites of tissue remodeling in fibrogenic processes. In normal regenerative processes involving transient fibrosis FAP-α+(myo)fibroblasts disappear from injured tissues, replaced by cells with a normal FAP-α- phenotype. In chronic uncontrolled pathological fibrosis FAP-α+(myo)fibroblasts permanently replace normal tissues. The mechanisms of regulation and elimination of FAP-α expression in(myo)fibroblasts are unknown. According to a yeast two-hybrid screen and protein databanks search, we propose that the intracellular (co)-chaperone BAG6/BAT3 can interact with FAP-α, mediated by the BAG6/BAT3 Pro-rich domain, inducing proteosomal degradation of FAP-α protein under tissue homeostasis. In this Perspective, we discuss our findings in the context of current knowledge on the regulation of FAP-α expression and comment potential therapeutic strategies for uncontrolled fibrosis, including small molecule degraders (PROTACs)-modified FAP-α targeted inhibitors.
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Affiliation(s)
- Lucienne Juillerat-Jeanneret
- Transplantation Center and Transplantation Immunopathology Laboratory, Department of Medicine, Centre Hospitalier Universitaire Vaudois (CHUV) and University of Lausanne (UNIL), CH1011 Lausanne, Switzerland.,University Institute of Pathology, CHUV and UNIL, CH1011 Lausanne, Switzerland
| | - Petra Tafelmeyer
- Hybrigenics Services, Laboratories and Headquarters-Paris, 1 rue Pierre Fontaine, 91000 Evry, France.,Hybrigenics Corporation, Cambridge Innovation Center, 50 Milk Street, Cambridge, Massachusetts 02142, United States
| | - Dela Golshayan
- Transplantation Center and Transplantation Immunopathology Laboratory, Department of Medicine, Centre Hospitalier Universitaire Vaudois (CHUV) and University of Lausanne (UNIL), CH1011 Lausanne, Switzerland
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16
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Khan MF, Mathur A, Pandey VK, Kakkar P. Naringenin alleviates hyperglycemia-induced renal toxicity by regulating activating transcription factor 4-C/EBP homologous protein mediated apoptosis. J Cell Commun Signal 2021; 16:271-291. [PMID: 34613591 DOI: 10.1007/s12079-021-00644-0] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2021] [Accepted: 09/01/2021] [Indexed: 11/24/2022] Open
Abstract
Endoplasmic reticulum (ER) dysfunction plays a prominent role in the pathophysiology of diabetic nephropathy (DN). This study aimed to investigate the novel role of Naringenin (a flavanone mainly found in citrus fruits) in modulating ER stress in hyperglycemic NRK 52E cells and STZ/nicotinamide induced diabetes in Wistar rats. The results demonstrated that Naringenin supplementation downregulated the expression of ER stress marker proteins, including p-PERK, p-eIF2α, XBP1s, ATF4 and CHOP during hyperglycemic renal toxicity in vitro and in vivo. Naringenin abrogated hyperglycemia-induced ultrastructural changes in ER, evidencing its anti-ER stress effects. Interestingly, treatment of Naringenin prevented nuclear translocation of ATF4 and CHOP in hyperglycemic renal cells and diabetic kidneys. Naringenin prevented apoptosis in hyperglycemic renal cells and diabetic kidney tissues by downregulating expression of apoptotic marker proteins. Further, photomicrographs of TEM confirmed anti-apoptotic potential of Naringenin as it prevented membrane blebbing and formation of apoptotic bodies in hyperglycemic renal cells. Naringenin improved glucose tolerance, restored serum insulin level and reduced serum glucose level in diabetic rats evidencing its anti-hyperglycemic effects. Histopathological examination of kidney tissues also confirmed prevention of damage after 28 days of Naringenin treatment in diabetic rats. Additionally, Naringenin diminished oxidative stress and improved antioxidant defense response during hyperglycemic renal toxicity. Taken together, our study revealed a novel role of Naringenin in ameliorating ER stress during hyperglycemic renal toxicity along with prevention of apoptosis, cellular and tissue damage. The findings suggest that prevention of ER stress can be exploited as a novel approach for the management of hyperglycemic nephrotoxicity.
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Affiliation(s)
- Mohammad Fareed Khan
- Herbal Research Laboratory, CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhavan, 31, Mahatma Gandhi Marg, Lucknow, Uttar Pradesh, 226001, India.,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Alpana Mathur
- Herbal Research Laboratory, CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhavan, 31, Mahatma Gandhi Marg, Lucknow, Uttar Pradesh, 226001, India
| | - Vivek Kumar Pandey
- Herbal Research Laboratory, CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhavan, 31, Mahatma Gandhi Marg, Lucknow, Uttar Pradesh, 226001, India.,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India.,Department of Pharmacology and Nutritional Sciences, College of Medicine, University of Kentucky, Lexington, USA
| | - Poonam Kakkar
- Herbal Research Laboratory, CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhavan, 31, Mahatma Gandhi Marg, Lucknow, Uttar Pradesh, 226001, India. .,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India.
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Zhang T, Wu Y, Hu Z, Xing W, Lv K, Wang D, Hu N. Small molecule ISRIB reduces susceptibility to postinfarct atrial fibrillation in rats via inhibition of integrated stress responses. J Pharmacol Exp Ther 2021; 378:197-206. [PMID: 34215702 DOI: 10.1124/jpet.121.000491] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2021] [Accepted: 06/23/2021] [Indexed: 11/22/2022] Open
Abstract
Phosphorylation of the eukaryotic translation initiation factor 2 α-subunit (eIF2ɑ),which subsequently upregulates activating transcription factor 4 (ATF4), is the core event in the integrated stress response (ISR) pathway. Previous studies indicate phosphorylation of eIF2ɑ in atrial tissue in response to atrial fibrillation (AF). This study investigated the role of ISR pathway in experimental AF by using a small-molecule ISR inhibitor (ISRIB). Accordingly, rats were subjected to coronary artery occlusion to induce myocardial infarction (MI), or sham operation, and received either trans-ISRIB (2 mg/kg/day, i.p.) or vehicle for seven days. Thereafter, animals were subjected to the AF inducibility test by transesophageal rapid burst pacing followed by procurement of left atrium (LA) for assessment of atrial fibrosis, inflammatory indices, autophagy-related proteins, ISR activation, ion channel, and connexin43 expression. Results showed a significant increase in the AF vulnerability and the activation of ISR in LA as evidenced by enhanced eIF2α phosphorylation. ISRIB treatment suppressed upregulation of ATF4, fibrosis as indexed by determination of α-smooth muscle actin and collagen levels, inflammatory macrophage infiltration (i.e., CD68 and iNOS/CD68-positive macrophage) and autophagy as determined by expression of LC3. Further, ISRIB treatment reversed the expression of relevant ion channel (i.e., Nav1.5, Cav1.2, and Kv4.3) and Cx43 remodeling. Collectively, the results suggest that the ISR is a key pathway in pathogenesis of AF, post-MI, and represents a novel target for treatment of AF. Significance Statement Activation of integrated stress response (ISR) pathway as evidenced by enhanced eIF2α phosphorylation in left atrium plays a key role in atrial fibrillation (AF). A small-molecule ISR inhibitor (ISRIB) reduces AF and atrial arrhythmogenic substrate. The mechanism of ISRIB may be mediated by suppressing ISR pathway-related cardiac fibrosis, inflammatory macrophage infiltration, autophagy, and restoring the expression of ion channel and Cx43. This study suggests a key dysfunctional role for ISR in pathogenesis of AF with implications for novel treatment.
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Affiliation(s)
- Ting Zhang
- Department of Psychology, First Affiliated Hospital of Wannan Medical College, China
| | - Yong Wu
- Department of Gerontology, First Affiliated Hospital of Wannan Medical College, China
| | - Zhengtao Hu
- Department of Gerontology, First Affiliated Hospital of Wannan Medical College, China
| | - Wen Xing
- Department of Gerontology, First Affiliated Hospital of Wannan Medical College, China
| | - Kun Lv
- Key Laboratory of Non-coding RNA Transformation Research of Anhui Higher Education Institution, The First Affiliated Hospital of Wannan Medical College, China
| | - Deguo Wang
- Department of Gerontology, First Affiliated Hospital of Wannan Medical College, China
| | - Nengwei Hu
- Department of Pharmacology & Therapeutics and Institute of Neuroscience, Trinity College,Dublin university, Ireland
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Dong L, Lin T, Li W, Hong Y, Ren X, Ke Y, Zhang X, Li X. Antioxidative effects of polypyrimidine tract-binding protein-associated splicing factor against pathological retinal angiogenesis through promotion of mitochondrial function. J Mol Med (Berl) 2021; 99:967-980. [PMID: 33770188 DOI: 10.1007/s00109-021-02069-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2020] [Revised: 03/12/2021] [Accepted: 03/21/2021] [Indexed: 02/08/2023]
Abstract
Reactive oxygen species (ROS), a by-product of oxygen metabolism mainly originating from mitochondria, participate in many pathological processes related to ophthalmopathy. Excessive production of ROS leads to oxidative stress, which influences the permeability, proliferation, migration, and tube formation of human retinal microcapillary endothelial cells (HRMECs). The molecular mechanisms underlying the effects of ROS are not clear. In Vldlr-/- mice, we used fundus fluorescein angiography and retinal flat mount staining to observe the effect of polypyrimidine tract-binding protein-associated splicing factor (PSF) on pathological retinal neovascularization in vivo. Additionally, in human retinal microvascular endothelial cells treated with 4-HNE, cell viability, tube formation, wound healing, and Transwell assays were performed to study the effect of PSF on the proliferation, migration, and tube formation of retinal vascular endothelial cells in vitro. Moreover, reactive oxygen species assay, real-time PCR, and Western blot were included to analyze the potential mechanism of PSF in the above series of effects. PSF ameliorated intraretinal neovascularization (IRNV) in vivo in Vldlr-/- mice. Under 4-hydroxynonenal (4-HNE) conditions in vitro, PSF reprogrammed mitochondrial bioenergetic and glycolytic profiles. It also reduced ROS levels and inhibited 4-HNE-induced angiogenesis, which involves the proliferation, migration, and tube formation of HRMECs. These results suggest that PSF participates in the regulation of HRMECs proliferation and migration during the development of pathological angiogenesis. We demonstrated that PSF enhanced Nrf2 activation and heme oxygenase-1 (HO-1) expression via extracellular signal-regulated kinase (ERK) and Akt signaling in HRMECs, which subsequently resulted in intracellular ROS scavenging. PSF restored endoplasmic reticulum (ER) redox homeostasis, which was indicated by an increase in protein disulfide isomerase (PDI) and Ero-1α and a reduction in GRP78 and C/EBP homologous protein (CHOP). PSF also attenuated ER stress via regulation of the protein kinase R (PKR)-like endoplasmic reticulum kinase PERK/eukaryotic translation factor 2 alpha (eIF2α)/activating transcription factor 4 (ATF4) pathway in 4-HNE-treated HRMECs. Our research shows that PSF may be a potential antioxidant that regulates pathological angiogenesis through ERK-AKT/Nrf2/HO-1 and PERK/eIF2α/ATF4 signal regulation. KEY MESSAGES: Reactive oxygen species (ROS) mainly originating from mitochondria is a by-product of oxygen metabolism in the body and participates in the pathological process related to multiple blindness-related ophthalmopathy. Moreover , excessive production of ROS will lead to oxidative stress. Consequently, oxidative stress influences the permeability, proliferation, migration, and tube formation of human retinal microcapillary endothelial cells (HRMECs). The molecular mechanisms underlying the effects of ROS remain unclear. Here, we reveal that Polypyrimidine tract-binding protein-associated splicing factor (PSF) ameliorates intraretinal neovascularization (IRNV) in vivo in Vldlr-/- mice. Furthermore, under 4-HNE conditions in vitro, PSF reprograms mitochondrial bioenergetic and glycolytic profiles, reduces ROS levels, and inhibits 4-HNE-induced angiogenesis, which involves the proliferation, migration, and tube formation of HRMECs, suggesting that it participates in regulating the proliferation and migration of HRMECs during the development of pathological angiogenesis. Furthermore, PSF enhances Nrf2 activation and HO-1 expression through ERK and AKT signaling in HRMECs, resulting in intracellular ROS scavenging. PSF restores endoplasmic reticulum (ER) redox homeostasis, as indicated by an increase in PDI and Ero-1α and a reduction in GRP78 and CHOP. PSF also attenuates ER stress by regulating the PERK/eIF2α/ATF4 pathway in 4-HNE-treated HRMECs.
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Affiliation(s)
- Lijie Dong
- Tianjin Key Laboratory of Retinal Functions and Diseases, Tianjin, People's Republic of China.
- Tianjin Branch of National Clinical Research Center for Ocular Disease, Tianjin, People's Republic of China.
- Eye Institute and School of Optometry, Tianjin Medical University Eye Hospital, 251 Fukang Road, Nankai district, Tianjin, 300384, People's Republic of China.
| | - Tingting Lin
- Tianjin Key Laboratory of Retinal Functions and Diseases, Tianjin, People's Republic of China
- Tianjin Branch of National Clinical Research Center for Ocular Disease, Tianjin, People's Republic of China
- Eye Institute and School of Optometry, Tianjin Medical University Eye Hospital, 251 Fukang Road, Nankai district, Tianjin, 300384, People's Republic of China
| | - Wenbo Li
- Tianjin Key Laboratory of Retinal Functions and Diseases, Tianjin, People's Republic of China
- Tianjin Branch of National Clinical Research Center for Ocular Disease, Tianjin, People's Republic of China
- Eye Institute and School of Optometry, Tianjin Medical University Eye Hospital, 251 Fukang Road, Nankai district, Tianjin, 300384, People's Republic of China
| | - Yaru Hong
- Tianjin Key Laboratory of Retinal Functions and Diseases, Tianjin, People's Republic of China
- Tianjin Branch of National Clinical Research Center for Ocular Disease, Tianjin, People's Republic of China
- Eye Institute and School of Optometry, Tianjin Medical University Eye Hospital, 251 Fukang Road, Nankai district, Tianjin, 300384, People's Republic of China
| | - Xinjun Ren
- Tianjin Key Laboratory of Retinal Functions and Diseases, Tianjin, People's Republic of China
- Tianjin Branch of National Clinical Research Center for Ocular Disease, Tianjin, People's Republic of China
- Eye Institute and School of Optometry, Tianjin Medical University Eye Hospital, 251 Fukang Road, Nankai district, Tianjin, 300384, People's Republic of China
| | - YiFeng Ke
- Tianjin Key Laboratory of Retinal Functions and Diseases, Tianjin, People's Republic of China
- Tianjin Branch of National Clinical Research Center for Ocular Disease, Tianjin, People's Republic of China
- Eye Institute and School of Optometry, Tianjin Medical University Eye Hospital, 251 Fukang Road, Nankai district, Tianjin, 300384, People's Republic of China
| | - Xiaomin Zhang
- Tianjin Key Laboratory of Retinal Functions and Diseases, Tianjin, People's Republic of China
- Tianjin Branch of National Clinical Research Center for Ocular Disease, Tianjin, People's Republic of China
- Eye Institute and School of Optometry, Tianjin Medical University Eye Hospital, 251 Fukang Road, Nankai district, Tianjin, 300384, People's Republic of China
| | - Xiaorong Li
- Tianjin Key Laboratory of Retinal Functions and Diseases, Tianjin, People's Republic of China.
- Tianjin Branch of National Clinical Research Center for Ocular Disease, Tianjin, People's Republic of China.
- Eye Institute and School of Optometry, Tianjin Medical University Eye Hospital, 251 Fukang Road, Nankai district, Tianjin, 300384, People's Republic of China.
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19
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Luo D, Mu T, Sun H. Sweet potato ( Ipomoea batatas L.) leaf polyphenols ameliorate hyperglycemia in type 2 diabetes mellitus mice. Food Funct 2021; 12:4117-4131. [PMID: 33977940 DOI: 10.1039/d0fo02733b] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
The hypoglycemic effects and potential mechanism of sweet potato leaf polyphenols (SPLP) on type 2 diabetes mellitus (T2DM) were investigated. Results showed that oral administration of SPLP to mice could alleviate body weight loss, decrease fasting blood glucose levels (by 64.78%) and improve oral glucose tolerance compared with those of untreated diabetic mice. Furthermore, increased fasting serum insulin levels (by 100.11%), ameliorated insulin resistance and improved hepatic glycogen (by 126.78%) and muscle glycogen (increased by 135.85%) were observed in the SPLP treatment group. SPLP also could reverse dyslipidemia, as indicated by decreased total cholesterol, triglycerides, low density lipoprotein-cholesterol and promoted high density lipoprotein-cholesterol. Histopathological analysis revealed that SPLP could relieve liver inflammation and maintain the islet structure to inhibit β-cell apoptosis. A quantitative real-time polymerase chain reaction confirmed that SPLP could up-regulate the phosphatidylinositol 3-kinase/protein kinase B/glycogen synthase kinase-3β signaling pathway to improve glucose metabolism and up-regulate the phosphatidylinositol 3-kinase/protein kinase B/glucose transporter 4 signaling pathway in the skeletal muscle to enhance glucose transport. This study provides useful information to support the application of SPLP as a natural product for the treatment of T2DM.
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Affiliation(s)
- Dan Luo
- Laboratory of Food Chemistry and Nutrition Science, Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences; Key Laboratory of Agro-Products Processing, Ministry of Agriculture and Rural Affairs, No. 2 Yuanmingyuan West Road, Haidian District, Beijing 100193, P.R. China.
| | - Taihua Mu
- Laboratory of Food Chemistry and Nutrition Science, Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences; Key Laboratory of Agro-Products Processing, Ministry of Agriculture and Rural Affairs, No. 2 Yuanmingyuan West Road, Haidian District, Beijing 100193, P.R. China.
| | - Hongnan Sun
- Laboratory of Food Chemistry and Nutrition Science, Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences; Key Laboratory of Agro-Products Processing, Ministry of Agriculture and Rural Affairs, No. 2 Yuanmingyuan West Road, Haidian District, Beijing 100193, P.R. China.
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20
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Mathur A, Pandey VK, Khan MF, Kakkar P. PHLPP1/Nrf2-Mdm2 axis induces renal apoptosis via influencing nucleo-cytoplasmic shuttling of FoxO1 during diabetic nephropathy. Mol Cell Biochem 2021; 476:3681-3699. [PMID: 34057658 DOI: 10.1007/s11010-021-04177-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2020] [Accepted: 05/12/2021] [Indexed: 11/30/2022]
Abstract
Impaired PI3K/Akt signaling (insulin resistance) and poor glycemic control (hyperglycemia) are the major risk factors involved in the progression of diabetic nephropathy (DN). This study was designed to identify factors influencing cell survival during DN. We found that high glucose exposure in renal proximal tubular cells (NRK52E) upregulated PHLPP1, an Akt phosphatase (Ser473), causing suppression in Akt and IGF1β phosphorylation leading to inhibition in insulin signaling pathway. Results demonstrate that sustained activation of PHLPP1 promoted nuclear retention of FoxO1 by preventing its ubiquitination via Mdm2, an Akt/ Nrf2-dependent E3 ligase. Thus, enhanced FoxO1 nuclear stability caused aberration in renal gluconeogenesis and activated apoptotic cascade. Conversely, gene silencing of PHLPP1-enhanced Nrf2 expression and attenuated FoxO1 regulated apoptosis compared to hyperglycemic cells. Mechanistic aspects of PHLPP1-Nrf2/FoxO1 signaling were further validated in STZ-nicotinamide-induced type 2 diabetic Wistar rats. Importantly, we observed via immunoblotting and dual immunocytochemical studies that treatment of Morin (2',3,4',5,7-Pentahydroxyflavone) during diabetes significantly augmented FoxO1 nuclear exclusion, resulting in its ubiquitination via Akt-Nrf2/Mdm2 pathway. Furthermore, lowering of PHLPP1 expression by Morin also prevented FoxO1/Mst1-mediated apoptotic signaling in vitro and in vivo. Morin treatment under the experimental conditions, effectively decreased blood glucose levels, ameliorated insulin resistance, alleviated oxidative stress and attenuated renal apoptosis in diabetic rats comparable to metformin thereby exhibiting tremendous potential against renal complications of diabetes. These novel results further acclaim that inhibition of PHLPP1/FoxO1-Mdm2 axis is critical in the pathogenesis of diabetic nephropathy.
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Affiliation(s)
- Alpana Mathur
- Herbal Research Laboratory, Food, Drug & Chemical Toxicology Group, CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhawan 31, Mahatma Gandhi Marg, Lucknow, 226001, Uttar Pradesh, India
| | - Vivek Kumar Pandey
- Herbal Research Laboratory, Food, Drug & Chemical Toxicology Group, CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhawan 31, Mahatma Gandhi Marg, Lucknow, 226001, Uttar Pradesh, India.,Academy of Scientific and Innovative Research, CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Lucknow, 226001, Uttar Pradesh, India
| | - Mohammad Fareed Khan
- Herbal Research Laboratory, Food, Drug & Chemical Toxicology Group, CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhawan 31, Mahatma Gandhi Marg, Lucknow, 226001, Uttar Pradesh, India.,Academy of Scientific and Innovative Research, CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Lucknow, 226001, Uttar Pradesh, India
| | - Poonam Kakkar
- Herbal Research Laboratory, Food, Drug & Chemical Toxicology Group, CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhawan 31, Mahatma Gandhi Marg, Lucknow, 226001, Uttar Pradesh, India. .,Academy of Scientific and Innovative Research, CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Lucknow, 226001, Uttar Pradesh, India.
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21
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Watanabe S, Markov NS, Lu Z, Piseaux Aillon R, Soberanes S, Runyan CE, Ren Z, Grant RA, Maciel M, Abdala-Valencia H, Politanska Y, Nam K, Sichizya L, Kihshen HG, Joshi N, McQuattie-Pimentel AC, Gruner KA, Jain M, Sznajder JI, Morimoto RI, Reyfman PA, Gottardi CJ, Budinger GRS, Misharin AV. Resetting proteostasis with ISRIB promotes epithelial differentiation to attenuate pulmonary fibrosis. Proc Natl Acad Sci U S A 2021; 118:e2101100118. [PMID: 33972447 PMCID: PMC8157939 DOI: 10.1073/pnas.2101100118] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
Pulmonary fibrosis is a relentlessly progressive and often fatal disease with a paucity of available therapies. Genetic evidence implicates disordered epithelial repair, which is normally achieved by the differentiation of small cuboidal alveolar type 2 (AT2) cells into large, flattened alveolar type 1 (AT1) cells as an initiating event in pulmonary fibrosis pathogenesis. Using models of pulmonary fibrosis in young adult and old mice and a model of adult alveologenesis after pneumonectomy, we show that administration of ISRIB, a small molecule that restores protein translation by EIF2B during activation of the integrated stress response (ISR), accelerated the differentiation of AT2 into AT1 cells. Accelerated epithelial repair reduced the recruitment of profibrotic monocyte-derived alveolar macrophages and ameliorated lung fibrosis. These findings suggest a dysfunctional role for the ISR in regeneration of the alveolar epithelium after injury with implications for therapy.
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Affiliation(s)
- Satoshi Watanabe
- Department of Medicine, Division of Pulmonary and Critical Care Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611
- Department of Respiratory Medicine, Kanazawa University Graduate School of Medical Sciences, Kanazawa 920-8641, Japan
| | - Nikolay S Markov
- Department of Medicine, Division of Pulmonary and Critical Care Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611
| | - Ziyan Lu
- Department of Medicine, Division of Pulmonary and Critical Care Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611
| | - Raul Piseaux Aillon
- Department of Medicine, Division of Pulmonary and Critical Care Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611
| | - Saul Soberanes
- Department of Medicine, Division of Pulmonary and Critical Care Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611
| | - Constance E Runyan
- Department of Medicine, Division of Pulmonary and Critical Care Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611
| | - Ziyou Ren
- Department of Medicine, Division of Pulmonary and Critical Care Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611
| | - Rogan A Grant
- Department of Medicine, Division of Pulmonary and Critical Care Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611
| | - Mariana Maciel
- Department of Medicine, Division of Pulmonary and Critical Care Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611
| | - Hiam Abdala-Valencia
- Department of Medicine, Division of Pulmonary and Critical Care Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611
| | - Yuliya Politanska
- Department of Medicine, Division of Pulmonary and Critical Care Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611
| | - Kiwon Nam
- Department of Medicine, Division of Pulmonary and Critical Care Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611
| | - Lango Sichizya
- Department of Medicine, Division of Pulmonary and Critical Care Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611
| | - Hermon G Kihshen
- Department of Medicine, Division of Pulmonary and Critical Care Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611
| | - Nikita Joshi
- Department of Medicine, Division of Pulmonary and Critical Care Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611
| | - Alexandra C McQuattie-Pimentel
- Department of Medicine, Division of Pulmonary and Critical Care Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611
| | - Katherine A Gruner
- Mouse Histology and Phenotyping Laboratory, Robert H. Lurie Comprehensive Cancer Center, Northwestern University, Chicago, IL 60611
| | - Manu Jain
- Department of Medicine, Division of Pulmonary and Critical Care Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611
| | - Jacob I Sznajder
- Department of Medicine, Division of Pulmonary and Critical Care Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611
| | - Richard I Morimoto
- Department of Molecular Biosciences, Northwestern University, Evanston, IL 60208
| | - Paul A Reyfman
- Department of Medicine, Division of Pulmonary and Critical Care Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611
| | - Cara J Gottardi
- Department of Medicine, Division of Pulmonary and Critical Care Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611
| | - G R Scott Budinger
- Department of Medicine, Division of Pulmonary and Critical Care Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611;
| | - Alexander V Misharin
- Department of Medicine, Division of Pulmonary and Critical Care Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611;
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22
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Yang J, Chen H, Nie Q, Huang X, Nie S. Dendrobium officinale polysaccharide ameliorates the liver metabolism disorders of type II diabetic rats. Int J Biol Macromol 2020; 164:1939-1948. [DOI: 10.1016/j.ijbiomac.2020.08.007] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Revised: 07/27/2020] [Accepted: 08/02/2020] [Indexed: 12/12/2022]
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23
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Victor P, Sarada D, Ramkumar KM. Crosstalk between endoplasmic reticulum stress and oxidative stress: Focus on protein disulfide isomerase and endoplasmic reticulum oxidase 1. Eur J Pharmacol 2020; 892:173749. [PMID: 33245896 DOI: 10.1016/j.ejphar.2020.173749] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2020] [Revised: 11/17/2020] [Accepted: 11/19/2020] [Indexed: 12/11/2022]
Abstract
Cellular stress and inflammation, establishing as disease pathology, have reached great heights in the last few decades. Stress conditions such as hyperglycemia, hyperlipidemia and lipoproteins are known to disturb proteostasis resulting in the accumulation of unfolded or misfolded proteins, alteration in calcium homeostasis culminating in unfolded protein response. Protein disulfide isomerase and endoplasmic reticulum oxidase-1 are the key players in protein folding. The protein folding process assisted by endoplasmic reticulum oxidase-1 results in the production of reactive oxygen species in the lumen of the endoplasmic reticulum. Production of reactive oxygen species beyond the quenching capacity of the antioxidant systems perturbs ER homeostasis. Endoplasmic reticulum stress also induces the production of cytokines leading to inflammatory responses. This has been proven to be the major causative factor for various pathophysiological states compared to other cellular triggers in diseases, which further manifests to increased oxidative stress, mitochondrial dysfunction, and altered inflammatory responses, deleterious to cellular physiology and homeostasis. Numerous studies have drawn correlations between the progression of several diseases in association with endoplasmic reticulum stress, redox protein folding, oxidative stress and inflammatory responses. This review aims to provide an insight into the role of protein disulfide isomerase and endoplasmic reticulum oxidase-1 in endoplasmic reticulum stress, unfolded protein response, mitochondrial dysfunction, and inflammatory responses, which exacerbate the progression of various diseases.
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Affiliation(s)
- Paul Victor
- Department of Biotechnology, School of Bio-engineering, SRM Institute of Science and Technology, Kattankulathur, Chennai, 603 203, Tamil Nadu, India
| | - Dronamraju Sarada
- Department of Biotechnology, School of Bio-engineering, SRM Institute of Science and Technology, Kattankulathur, Chennai, 603 203, Tamil Nadu, India
| | - Kunka Mohanram Ramkumar
- Department of Biotechnology, School of Bio-engineering, SRM Institute of Science and Technology, Kattankulathur, Chennai, 603 203, Tamil Nadu, India; Life Science Division, SRM Research Institute, SRM Institute of Science and Technology, Kattankulathur, Chennai, 603 203, Tamil Nadu, India.
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24
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Integrative Analyses of Genes Associated with Fulminant Type 1 Diabetes. J Immunol Res 2020; 2020:1025857. [PMID: 33083497 PMCID: PMC7559223 DOI: 10.1155/2020/1025857] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2020] [Revised: 08/25/2020] [Accepted: 09/15/2020] [Indexed: 12/21/2022] Open
Abstract
Objective Fulminant type 1 diabetes (FT1D) is a type of type 1 diabetes, which is characterized by rapid onset of disease and severe metabolic disorders. We intend to screen for crucial genes and potential molecular mechanisms in FT1D in this study. Method We downloaded GSE44314, which includes six healthy controls and five patients with FT1D, from the GEO database. Identification of differentially expressed genes (DEGs) was performed by NetworkAnalyst. The Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) enrichment analyses of DEGs were screened by an online tool-Database for Annotation, Visualization, and Integration Discovery (DAVID). Protein-protein interaction (PPI) network and hub genes among DEGs were analyzed by NetworkAnalyst. And we also use NetworkAnalyst to find out the microRNAs (miRNAs) and transcription factors (TFs) which regulate the expression of DEGs. Result We identified 130 DEGs (60 upregulated and 70 downregulated DEGs) between healthy controls and FT1D patients. GO analysis results revealed that DEGs were mostly enriched in generation of precursor metabolites and energy, neurohypophyseal hormone activity, and mitochondrial inner membrane. KEGG pathway analysis demonstrated that DEGs were mostly involved in nonalcoholic fatty liver disease. Results indicated that NCOA1, SRF, ERBB3, EST1, TOP1, UBE2S, INO80, COX7C, ITGAV, and COX6C were the top hub genes in the PPI network. Furthermore, we recognized that LDLR, POTEM, IFNAR2, BAZ2A, and SRF were the top hub genes in the miRNA-target gene network, and SRF, TSPAN4, CD59, ETS1, and SLC25A25 were the top hub genes in the TF-target gene network. Conclusion Our study pinpoints key genes and pathways associated with FT1D by a sequence of bioinformatics analysis on DEGs. These identified genes and pathways provide more detailed molecular mechanisms of FT1D and may provide novel therapeutic targets.
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25
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Barabutis N. Unfolded Protein Response in Lung Health and Disease. Front Med (Lausanne) 2020; 7:344. [PMID: 32850879 PMCID: PMC7406640 DOI: 10.3389/fmed.2020.00344] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2020] [Accepted: 06/09/2020] [Indexed: 12/17/2022] Open
Abstract
The unfolded protein response (UPR) is a complex element, destined to protect the cells against a diverse variety of extracellular and intracellular challenges. UPR activation devises highly efficient responses to counteract cellular threats. If those activities fail, it will dictate cellular execution. The current work focuses on the role of UPR in pulmonary function, by immersing into the highly interrelated network that operates toward the endothelial barrier function. A highly sophisticated UPR manipulation shall reveal new therapeutic possibilities against inflammatory lung disease, such as acute lung injury and acute respiratory distress syndrome.
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Affiliation(s)
- Nektarios Barabutis
- School of Basic Pharmaceutical and Toxicological Sciences, College of Pharmacy, University of Louisiana Monroe, Monroe, LA, United States
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26
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Li X, Yu X, Zhou D, Chen B, Li W, Zheng X, Zeng H, Long L, Zhou W. CCT020312 Inhibits Triple-Negative Breast Cancer Through PERK Pathway-Mediated G1 Phase Cell Cycle Arrest and Apoptosis. Front Pharmacol 2020; 11:737. [PMID: 32508655 PMCID: PMC7250150 DOI: 10.3389/fphar.2020.00737] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Accepted: 05/04/2020] [Indexed: 12/12/2022] Open
Abstract
Triple-negative breast cancer (TNBC) has a poor prognosis due to the lack of specific therapeutic targets. CCT020312, a selective eukaryotic translation initiation factor 2 alpha (eIF2α)/protein kinase RNA-like endoplasmic reticulum kinase (PERK) activator, may have a potent anti-tumor effect. In the present study, we examined the effects of CCT020312 on TNBC and explored the underlying mechanism. We found that CCT020312 inhibited the viability of TNBC cell lines, MDA-MB-453 and CAL-148, by inducing apoptosis and G1 phase cell cycle arrest. CCT020312 decreased the protein levels of cyclin-dependent kinase 4 (CDK4), CDK6, cyclin D1, and B-cell lymphoma 2 (Bcl-2) and increased the levels of Bcl-2-associated X protein (Bax) and cleaved poly (ADP-ribose) polymerase (PARP) compared with those in the control. CCT020312 activated PERK/eIF2α/activating transcription factor 4 (ATF4)/CCAAT-enhancer binding protein (C/EBP) homologous protein transcription factor (CHOP) signaling and inhibited protein kinase B (AKT)/mammalian target of rapamycin (mTOR) signaling. Furthermore, CCT020312 inhibited tumor growth in an MDA-MB-453 orthotopic xenograft mouse model by activating the PERK/eIF2α/ATF4/CHOP pathway and inhibiting the AKT/mTOR pathway. Thus, our study shows that CCT020312 may be a potential drug candidate for TNBC treatment.
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Affiliation(s)
- Xiaoli Li
- Department of Pharmacology, College of Pharmacy, Chongqing Medical University, Chongqing, China.,Chongqing Key Laboratory of Drug Metabolism, Chongqing Medical University, Chongqing, China.,Key Laboratory for Biochemistry and Molecular Pharmacology of Chongqing, Chongqing Medical University, Chongqing, China
| | - Xiaoping Yu
- Department of Pharmacology, College of Pharmacy, Chongqing Medical University, Chongqing, China.,Key Laboratory for Biochemistry and Molecular Pharmacology of Chongqing, Chongqing Medical University, Chongqing, China
| | - Duanfang Zhou
- Department of Pharmacology, College of Pharmacy, Chongqing Medical University, Chongqing, China.,Key Laboratory for Biochemistry and Molecular Pharmacology of Chongqing, Chongqing Medical University, Chongqing, China
| | - Bo Chen
- Department of Neurology, The Third Affiliated Hospital of Chongqing Medical University (Gener Hospital), Chongqing, China
| | - Wenjun Li
- Department of Pharmacy, The Third Affiliated Hospital of Chongqing Medical University (Gener Hospital), Chongqing, China
| | - Xiangru Zheng
- Department of Gastrointestinal Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Hongfang Zeng
- Department of Pharmacology, College of Pharmacy, Chongqing Medical University, Chongqing, China.,Key Laboratory for Biochemistry and Molecular Pharmacology of Chongqing, Chongqing Medical University, Chongqing, China
| | - Liangyuan Long
- Department of Pharmacology, College of Pharmacy, Chongqing Medical University, Chongqing, China.,Key Laboratory for Biochemistry and Molecular Pharmacology of Chongqing, Chongqing Medical University, Chongqing, China
| | - Weiying Zhou
- Department of Pharmacology, College of Pharmacy, Chongqing Medical University, Chongqing, China.,Chongqing Key Laboratory of Drug Metabolism, Chongqing Medical University, Chongqing, China.,Key Laboratory for Biochemistry and Molecular Pharmacology of Chongqing, Chongqing Medical University, Chongqing, China
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27
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Neves KB, Harvey AP, Moreton F, Montezano AC, Rios FJ, Alves-Lopes R, Nguyen Dinh Cat A, Rocchicciolli P, Delles C, Joutel A, Muir K, Touyz RM. ER stress and Rho kinase activation underlie the vasculopathy of CADASIL. JCI Insight 2019; 4:131344. [PMID: 31647781 PMCID: PMC6962020 DOI: 10.1172/jci.insight.131344] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2019] [Accepted: 10/18/2019] [Indexed: 12/21/2022] Open
Abstract
Cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL) leads to premature stroke and vascular dementia. Mechanism-specific therapies for this aggressive cerebral small vessel disease are lacking. CADASIL is caused by NOTCH3 mutations that influence vascular smooth muscle cell (VSMC) function through unknown processes. We investigated molecular mechanisms underlying the vasculopathy in CADASIL focusing on endoplasmic reticulum (ER) stress and RhoA/Rho kinase (ROCK). Peripheral small arteries and VSMCs were isolated from gluteal biopsies of CADASIL patients and mesentery of TgNotch3R169C mice (CADASIL model). CADASIL vessels exhibited impaired vasorelaxation, blunted vasoconstriction, and hypertrophic remodeling. Expression of NOTCH3 and ER stress target genes was amplified and ER stress response, Rho kinase activity, superoxide production, and cytoskeleton-associated protein phosphorylation were increased in CADASIL, processes associated with Nox5 upregulation. Aberrant vascular responses and signaling in CADASIL were ameliorated by inhibitors of Notch3 (γ-secretase inhibitor), Nox5 (mellitin), ER stress (4-phenylbutyric acid), and ROCK (fasudil). Observations in human CADASIL were recapitulated in TgNotch3R169C mice. These findings indicate that vascular dysfunction in CADASIL involves ER stress/ROCK interplay driven by Notch3-induced Nox5 activation and that NOTCH3 mutation-associated vascular pathology, typical in cerebral vessels, also manifests peripherally. We define Notch3-Nox5/ER stress/ROCK signaling as a putative mechanism-specific target and suggest that peripheral artery responses may be an accessible biomarker in CADASIL.
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Affiliation(s)
- Karla B. Neves
- Institute of Cardiovascular and Medical Sciences, University of Glasgow, United Kingdom
| | - Adam P. Harvey
- Institute of Cardiovascular and Medical Sciences, University of Glasgow, United Kingdom
| | - Fiona Moreton
- Institute of Neuroscience and Psychology, University of Glasgow and Queen Elizabeth University Hospital, Glasgow, United Kingdom
| | - Augusto C. Montezano
- Institute of Cardiovascular and Medical Sciences, University of Glasgow, United Kingdom
| | - Francisco J. Rios
- Institute of Cardiovascular and Medical Sciences, University of Glasgow, United Kingdom
| | - Rhéure Alves-Lopes
- Institute of Cardiovascular and Medical Sciences, University of Glasgow, United Kingdom
| | | | | | - Christian Delles
- Institute of Cardiovascular and Medical Sciences, University of Glasgow, United Kingdom
| | - Anne Joutel
- Institute of Psychiatry and Neurosciences of Paris Inserm, Paris Descartes University, Paris, France
| | - Keith Muir
- Institute of Neuroscience and Psychology, University of Glasgow and Queen Elizabeth University Hospital, Glasgow, United Kingdom
| | - Rhian M. Touyz
- Institute of Cardiovascular and Medical Sciences, University of Glasgow, United Kingdom
- Kidney Research Centre, Ottawa Hospital Research Institute, University of Ottawa, Ottawa, Ontario, Canada
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28
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Salehi B, Ata A, V. Anil Kumar N, Sharopov F, Ramírez-Alarcón K, Ruiz-Ortega A, Abdulmajid Ayatollahi S, Valere Tsouh Fokou P, Kobarfard F, Amiruddin Zakaria Z, Iriti M, Taheri Y, Martorell M, Sureda A, N. Setzer W, Durazzo A, Lucarini M, Santini A, Capasso R, Adrian Ostrander E, -ur-Rahman A, Iqbal Choudhary M, C. Cho W, Sharifi-Rad J. Antidiabetic Potential of Medicinal Plants and Their Active Components. Biomolecules 2019; 9:E551. [PMID: 31575072 PMCID: PMC6843349 DOI: 10.3390/biom9100551] [Citation(s) in RCA: 228] [Impact Index Per Article: 45.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2019] [Revised: 09/17/2019] [Accepted: 09/25/2019] [Indexed: 12/11/2022] Open
Abstract
Diabetes mellitus is one of the major health problems in the world, the incidence and associated mortality are increasing. Inadequate regulation of the blood sugar imposes serious consequences for health. Conventional antidiabetic drugs are effective, however, also with unavoidable side effects. On the other hand, medicinal plants may act as an alternative source of antidiabetic agents. Examples of medicinal plants with antidiabetic potential are described, with focuses on preclinical and clinical studies. The beneficial potential of each plant matrix is given by the combined and concerted action of their profile of biologically active compounds.
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Affiliation(s)
- Bahare Salehi
- Student Research Committee, School of Medicine, Bam University of Medical Sciences, Bam 44340847, Iran;
| | - Athar Ata
- Department of Chemistry, Richardson College for the Environmental Science Complex, The University of Winnipeg, Winnipeg, MB R3B 2G3, Canada;
| | - Nanjangud V. Anil Kumar
- Department of Chemistry, Manipal Institute of Technology, Manipal University, Manipal 576104, India;
| | - Farukh Sharopov
- Department of Pharmaceutical Technology, Avicenna Tajik State Medical University, Rudaki 139, Dushanbe 734003, Tajikistan;
| | - Karina Ramírez-Alarcón
- Department of Nutrition and Dietetics, Faculty of Pharmacy, University of Concepcion, Concepción 4070386, Chile;
| | - Ana Ruiz-Ortega
- Facultad de Educación y Ciencias Sociales, Universidad Andrés Bello, Autopista Concepción—Talcahuano, Concepción 7100, Chile;
| | - Seyed Abdulmajid Ayatollahi
- Phytochemistry Research Center, Shahid Beheshti University of Medical Sciences, Tehran 1991953381, Iran; (S.A.A.); (F.K.); (Y.T.)
- Department of Pharmacognosy, School of Pharmacy, Shahid Beheshti University of Medical Sciences, Tehran 11369, Iran
| | - Patrick Valere Tsouh Fokou
- Department of Biochemistry, Faculty of Science, University of Yaounde 1, Yaounde P.O. Box 812, Cameroon;
| | - Farzad Kobarfard
- Phytochemistry Research Center, Shahid Beheshti University of Medical Sciences, Tehran 1991953381, Iran; (S.A.A.); (F.K.); (Y.T.)
- Department of Medicinal Chemistry, School of Pharmacy, Shahid Beheshti University of Medical Sciences, Tehran 11369, Iran
| | - Zainul Amiruddin Zakaria
- Laboratory of Halal Science Research, Halal Products Research Institute, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia;
- Integrative Pharmacogenomics Institute (iPROMISE), Faculty of Pharmacy, Universiti Teknologi MARA, Puncak Alam Campus, Bandar Puncak Alam Selangor 42300, Malaysia
| | - Marcello Iriti
- Department of Agricultural and Environmental Sciences, Milan State University, via G. Celoria 2, 20133 Milan, Italy
| | - Yasaman Taheri
- Phytochemistry Research Center, Shahid Beheshti University of Medical Sciences, Tehran 1991953381, Iran; (S.A.A.); (F.K.); (Y.T.)
| | - Miquel Martorell
- Department of Nutrition and Dietetics, Faculty of Pharmacy, University of Concepcion, Concepción 4070386, Chile;
- Universidad de Concepción, Unidad de Desarrollo Tecnológico, UDT, Concepción 4070386, Chile
| | - Antoni Sureda
- Research Group on Community Nutrition and Oxidative Stress, Laboratory of Physical Activity Sciences, and CIBEROBN—Physiopathology of Obesity and Nutrition, CB12/03/30038, University of Balearic Islands, E-07122 Palma de Mallorca, Spain;
| | - William N. Setzer
- Department of Chemistry, University of Alabama in Huntsville, Huntsville, AL 35899, USA;
| | - Alessandra Durazzo
- CREA—Research Centre for Food and Nutrition, Via Ardeatina 546, 00178 Rome, Italy; (A.D.); (M.L.)
| | - Massimo Lucarini
- CREA—Research Centre for Food and Nutrition, Via Ardeatina 546, 00178 Rome, Italy; (A.D.); (M.L.)
| | - Antonello Santini
- Department of Pharmacy, University of Napoli Federico II, Via D. Montesano, 49-80131 Napoli, Italy
| | - Raffaele Capasso
- Department of Agricultural Sciences, University of Naples Federico II, 80055 Portici, Italy;
| | - Elise Adrian Ostrander
- Medical Illustration, Kendall College of Art and Design, Ferris State University, Grand Rapids, MI 49503, USA;
| | - Atta -ur-Rahman
- H.E.J. Research Institute of Chemistry, International Center for Chemical and Biological Sciences, University of Karachi, Karachi 75270, Pakistan; (A.-u.-R.); (M.I.C.)
| | - Muhammad Iqbal Choudhary
- H.E.J. Research Institute of Chemistry, International Center for Chemical and Biological Sciences, University of Karachi, Karachi 75270, Pakistan; (A.-u.-R.); (M.I.C.)
| | - William C. Cho
- Department of Clinical Oncology, Queen Elizabeth Hospital, Kowloon, Hong Kong, China
| | - Javad Sharifi-Rad
- Department of Pharmacology, Faculty of Medicine, Jiroft University of Medical Sciences, Jiroft 7861756447, Iran
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29
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Melis N, Thuillier R, Steichen C, Giraud S, Sauvageon Y, Kaminski J, Pelé T, Badet L, Richer JP, Barrera-Chimal J, Jaisser F, Tauc M, Hauet T. Emerging therapeutic strategies for transplantation-induced acute kidney injury: protecting the organelles and the vascular bed. Expert Opin Ther Targets 2019; 23:495-509. [PMID: 31022355 DOI: 10.1080/14728222.2019.1609451] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
INTRODUCTION Renal ischemia-reperfusion injury (IRI) is a significant clinical challenge faced by clinicians in a broad variety of clinical settings such as perioperative and intensive care. Renal IRI induced acute kidney injury (AKI) is a global public health concern associated with high morbidity, mortality, and health-care costs. Areas covered: This paper focuses on the pathophysiology of transplantation-related AKI and recent findings on cellular stress responses at the intersection of 1. The Unfolded protein response; 2. Mitochondrial dysfunction; 3. The benefits of mineralocorticoid receptor antagonists. Lastly, perspectives are offered to the readers. Expert opinion: Renal IRI is caused by a sudden and temporary impairment of blood flow to the organ. Defining the underlying cellular cascades involved in IRI will assist us in the identification of novel interventional targets to attenuate IRI with the potential to improve transplantation outcomes. Targeting mitochondrial function and cellular bioenergetics upstream of cellular damage may offer several advantages compared to targeting downstream inflammatory and fibrosis processes. An improved understanding of the cellular pathophysiological mechanisms leading to kidney injury will hopefully offer improved targeted therapies to prevent and treat the injury in the future.
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Affiliation(s)
- Nicolas Melis
- a Laboratory of Cellular and Molecular Biology , Center for Cancer Research, National Cancer Institute , Bethesda , MD , USA
| | - Raphael Thuillier
- b IRTOMIT , Inserm U1082 , Poitiers , France.,c Faculté de Médecine et de Pharmacie , Université de Poitiers , Poitiers , France.,d CHU Poitiers , Service de Biochimie , Poitiers , France.,e Fédération Hospitalo-Universitaire SUPORT , Poitiers , France
| | - Clara Steichen
- b IRTOMIT , Inserm U1082 , Poitiers , France.,c Faculté de Médecine et de Pharmacie , Université de Poitiers , Poitiers , France
| | - Sebastien Giraud
- b IRTOMIT , Inserm U1082 , Poitiers , France.,c Faculté de Médecine et de Pharmacie , Université de Poitiers , Poitiers , France.,d CHU Poitiers , Service de Biochimie , Poitiers , France
| | - Yse Sauvageon
- b IRTOMIT , Inserm U1082 , Poitiers , France.,c Faculté de Médecine et de Pharmacie , Université de Poitiers , Poitiers , France
| | - Jacques Kaminski
- b IRTOMIT , Inserm U1082 , Poitiers , France.,c Faculté de Médecine et de Pharmacie , Université de Poitiers , Poitiers , France
| | - Thomas Pelé
- b IRTOMIT , Inserm U1082 , Poitiers , France.,c Faculté de Médecine et de Pharmacie , Université de Poitiers , Poitiers , France
| | - Lionel Badet
- f Faculté de Médecine , Université Claude Bernard Lyon 1 , Villeurbanne , France.,g Hospices Civiles de Lyon , Service d'urologie et de chirurgie de la transplantation , Lyon , France
| | - Jean Pierre Richer
- b IRTOMIT , Inserm U1082 , Poitiers , France.,c Faculté de Médecine et de Pharmacie , Université de Poitiers , Poitiers , France.,h CHU de Poitiers , Service de chirurgie générale et endocrinienne , Poitiers , France.,i Faculté de Médecine et de Pharmacie , ABS Lab (Laboratoire d'Anatomie, Biomécanique et Simulation), Université de Poitiers , Poitiers , France
| | - Jonatan Barrera-Chimal
- j Laboratorio de Fisiología Cardiovascular y Trasplante Renal, Unidad de Medicina Traslacional , Instituto de Investigaciones Biomédicas, UNAM and Instituto Nacional de Cardiología Ignacio Chávez , Mexico City , Mexico
| | - Frédéric Jaisser
- k INSERM, UMRS 1138, Team 1 , Centre de Recherche des Cordeliers, Pierre et Marie Curie University, Paris, Descartes University , Paris , France
| | - Michel Tauc
- l LP2M CNRS-UMR7370, LabEx ICST , Medical Faculty, Université Côte d'Azur , Nice , France
| | - Thierry Hauet
- b IRTOMIT , Inserm U1082 , Poitiers , France.,c Faculté de Médecine et de Pharmacie , Université de Poitiers , Poitiers , France.,d CHU Poitiers , Service de Biochimie , Poitiers , France.,e Fédération Hospitalo-Universitaire SUPORT , Poitiers , France.,i Faculté de Médecine et de Pharmacie , ABS Lab (Laboratoire d'Anatomie, Biomécanique et Simulation), Université de Poitiers , Poitiers , France.,m IBiSA Plateforme 'plate-forme MOdélisation Préclinique - Innovation Chirurgicale et Technologique (MOPICT)', Domaine Expérimental du Magneraud , Surgères , France
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