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Jiang Y, Hou L, Dou J, Xuan M, Cui Z, Lian L, Nan J, Wu Y. Sesamol as a potential candidate for the treatment of hepatic fibrosis, based on its regulation of FXR/LXR axis-mediated inhibition of autophagy through crosstalk between hepatic cells and macrophage. Phytomedicine 2024; 123:155145. [PMID: 37976698 DOI: 10.1016/j.phymed.2023.155145] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Revised: 10/01/2023] [Accepted: 10/12/2023] [Indexed: 11/19/2023]
Abstract
BACKGROUND Sesamol (SEM), a natural lignan compound isolated from sesame, has strong anti-oxidant property, regulating lipid metabolism, decreasing cholesterol and hepatoprotection. However, its anti-hepatic fibrosis effect and mechanisms have not been comprehensively elucidated. HYPOTHESIS/PURPOSE This study aims to investigate the anti-hepatic fibrosis of SEM and its underlying mechanisms. METHOD C57BL/6 mice with hepatic fibrosis were induced by TAA, then administrated with SEM or curcumin, respectively. HSCs were stimulated by TGF-β or conditioned medium, and then cultured with SEM, GW4064, GW3965, Rapamycin (RA) or 3-methyladenine (3-MA), respectively. Mice with hepatic fibrosis also were administrated with SEM, RA or 3-MA to estimate the effect of SEM on autophagy. RESULTS In vitro, SEM significantly inhibited extracellular matrix deposition, P2 × 7r-NLRP3, and inflammatory cytokines. SEM increased FXR and LXRα/β expressions and decreased MAPLC3α/β and P62 expressions, functioning as 3-MA (autophagy inhibitor). In vivo, SEM reduced serum transaminase, histopathology changes, fibrogenesis, autophagy markers and inflammatory cytokines caused by TAA. LX-2 were activated with conditioned medium from LPS-primed THP-1, which resulted in significant enhance of autophagy markers and inflammatory cytokines and decrease of FXR and LXRα/β expressions. SEM could reverse above these changes and function as 3-MA, GW4064, or GW3965. Deficiency of FXR or LXR attenuated the regulation of SEM on α-SMA, MAPLC3α/β, P62 and IL-1β in activated LX-2. In activated THP-1, deficiency of FXR could decrease the expression of LXR, and vice versa. Deficiency of FXR or LXR in activated MΦ decreased the expressions of FXR and LXR in activated LX-2. Deficiency FXR or LXR in activated MΦ also attenuated the regulation of SEM on α-SMA, MAPLC3α/β, P62, caspase-1 and IL-1β. In vivo, SEM significantly reversed hepatic fibrosis via FXR/LXR and autophagy. CONCLUSION SEM could regulate hepatic fibrosis by inhibiting fibrogenesis, autophagy and inflammation. FXR/LXR axis-mediated inhibition of autophagy contributed to the regulation of SEM against hepatic fibrosis, especially based on involving in the crosstalk of HSCs-macrophage. SEM might be a prospective therapeutic candidate, and its mechanism would be a new direction or strategy for hepatic fibrosis treatment.
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Affiliation(s)
- YuChen Jiang
- Key Laboratory of Natural Medicines of the Changbai Mountain (Yanbian University), Ministry of Education, Key Laboratory for Traditional Chinese Korean Medicine Research (Yanbian University), State Ethnic Affairs, College of Pharmacy, Yanbian University, Yanji, Jilin Province 133002, China
| | - LiShuang Hou
- Air Force Medical University, Xi'an 710032, China
| | - JiaYi Dou
- Key Laboratory of Natural Medicines of the Changbai Mountain (Yanbian University), Ministry of Education, Key Laboratory for Traditional Chinese Korean Medicine Research (Yanbian University), State Ethnic Affairs, College of Pharmacy, Yanbian University, Yanji, Jilin Province 133002, China
| | - MeiYan Xuan
- School of Pharmaceutical Sciences, Josai University, Sakado, Saitama, Japan
| | - ZhenYu Cui
- Key Laboratory of Natural Medicines of the Changbai Mountain (Yanbian University), Ministry of Education, Key Laboratory for Traditional Chinese Korean Medicine Research (Yanbian University), State Ethnic Affairs, College of Pharmacy, Yanbian University, Yanji, Jilin Province 133002, China
| | - LiHua Lian
- Key Laboratory of Natural Medicines of the Changbai Mountain (Yanbian University), Ministry of Education, Key Laboratory for Traditional Chinese Korean Medicine Research (Yanbian University), State Ethnic Affairs, College of Pharmacy, Yanbian University, Yanji, Jilin Province 133002, China
| | - JiXing Nan
- Key Laboratory of Natural Medicines of the Changbai Mountain (Yanbian University), Ministry of Education, Key Laboratory for Traditional Chinese Korean Medicine Research (Yanbian University), State Ethnic Affairs, College of Pharmacy, Yanbian University, Yanji, Jilin Province 133002, China.
| | - YanLing Wu
- Key Laboratory of Natural Medicines of the Changbai Mountain (Yanbian University), Ministry of Education, Key Laboratory for Traditional Chinese Korean Medicine Research (Yanbian University), State Ethnic Affairs, College of Pharmacy, Yanbian University, Yanji, Jilin Province 133002, China.
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Ri MH, Xing Y, Zuo HX, Li MY, Jin HL, Ma J, Jin X. Regulatory mechanisms of natural compounds from traditional Chinese herbal medicines on the microglial response in ischemic stroke. Phytomedicine 2023; 116:154889. [PMID: 37262999 DOI: 10.1016/j.phymed.2023.154889] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/03/2022] [Revised: 04/12/2023] [Accepted: 05/16/2023] [Indexed: 06/03/2023]
Abstract
BACKGROUND Development of clinically effective neuroprotective agents for stroke therapy is still a challenging task. Microglia play a critical role in brain injury and recovery after ischemic stroke. Traditional Chinese herbal medicines (TCHMs) are based on a unique therapeutic principle, have various formulas, and have long been widely used to treat stroke. Therefore, the active compounds in TCHMs and their underlying mechanisms of action are attracting increasing attention in the field of stroke drug development. PURPOSE To summarize the regulatory mechanisms of TCHM-derived natural compounds on the microglial response in animal models of ischemic stroke. METHODS We searched studies published until 10 April 2023 in the Web of Science, PubMed, and ScienceDirect using the following keywords: natural compounds, natural products or phytochemicals, traditional Chinese Medicine or Chinese herbal medicine, microglia, and ischemic stroke. This review was prepared according to PRISMA (Preferred Reporting Item for Systematic Reviews and Meta-Analysis) guidelines. RESULTS Natural compounds derived from TCHMs can attenuate the M1 phenotype of microglia, which is involved in the detrimental inflammatory response, via inhibition of NF-κB, MAPKs, JAK/STAT, Notch, TLR4, P2X7R, CX3CR1, IL-17RA, the NLRP3 inflammasome, and pro-oxidant enzymes. Additionally, the neuroprotective response of microglia with the M2 phenotype can be enhanced by activating Nrf2/HO-1, PI3K/AKT, AMPK, PPARγ, SIRT1, CB2R, TREM2, nAChR, and IL-33/ST2. Several clinical trials showed that TCHM-derived natural compounds that regulate microglial responses have significant and safe therapeutic effects, but further well-designed clinical studies are needed. CONCLUSIONS Further research regarding the direct targets and potential pleiotropic or synergistic effects of natural compounds would provide a more reasonable approach for regulation of the microglial response with the possibility of successful stroke drug development.
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Affiliation(s)
- Myong Hak Ri
- Key Laboratory of Natural Medicines of the Changbai Mountain, Ministry of Education, Molecular Medicine Research Center, College of Pharmacy, Yanbian University, Yanji 133002, Jilin Province, China; Faculty of Life Science, Kim Il Sung University, Pyongyang, Democratic People's Republic of Korea
| | - Yue Xing
- Key Laboratory of Natural Medicines of the Changbai Mountain, Ministry of Education, Molecular Medicine Research Center, College of Pharmacy, Yanbian University, Yanji 133002, Jilin Province, China
| | - Hong Xiang Zuo
- Key Laboratory of Natural Medicines of the Changbai Mountain, Ministry of Education, Molecular Medicine Research Center, College of Pharmacy, Yanbian University, Yanji 133002, Jilin Province, China
| | - Ming Yue Li
- Key Laboratory of Natural Medicines of the Changbai Mountain, Ministry of Education, Molecular Medicine Research Center, College of Pharmacy, Yanbian University, Yanji 133002, Jilin Province, China
| | - Hong Lan Jin
- Key Laboratory of Natural Medicines of the Changbai Mountain, Ministry of Education, Molecular Medicine Research Center, College of Pharmacy, Yanbian University, Yanji 133002, Jilin Province, China
| | - Juan Ma
- Key Laboratory of Natural Medicines of the Changbai Mountain, Ministry of Education, Molecular Medicine Research Center, College of Pharmacy, Yanbian University, Yanji 133002, Jilin Province, China.
| | - Xuejun Jin
- Key Laboratory of Natural Medicines of the Changbai Mountain, Ministry of Education, Molecular Medicine Research Center, College of Pharmacy, Yanbian University, Yanji 133002, Jilin Province, China.
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Dou JY, Jiang YC, Cui ZY, Lian LH, Nan JX, Wu YL. Acanthoic acid, unique potential pimaradiene diterpene isolated from Acanthopanax koreanum Nakai (Araliaceae): A review on its pharmacology, molecular mechanism, and structural modification. Phytochemistry 2022; 200:113247. [PMID: 35597316 DOI: 10.1016/j.phytochem.2022.113247] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Revised: 05/12/2022] [Accepted: 05/13/2022] [Indexed: 06/15/2023]
Abstract
Acanthoic acid (AA) is a pimaradiene diterpene isolated from the root bark of Acanthopanax koreanum Nakai (Araliaceae) with a wide range of pharmacological activities, including anti-cancer, anti-inflammatory, anti-diabetes, liver protection, gastrointestinal protection, and cardiovascular protection. In addition, AA promotes its pharmacological effects by targeting liver X receptors (LXRs), nuclear factor-kappa B (NF-κB), Toll-Like Receptor 4 (TLR4) and IL-1 receptor-associated kinase (IRAK) signaling pathways, or AMP-activated protein kinase (AMPK) signaling pathway, etc. Also, some studies focus on the structural modification of AA to improve its pharmacological activities. The review summarizes the pharmacological activities, molecular mechanism, and the structural modification of AA, which might supply information for the development of AA in the future.
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Affiliation(s)
- Jia-Yi Dou
- Key Laboratory of Traditional Chinese Korean Medicine Research (Yanbian University), State Ethnic Affairs Commission, College of Pharmacy, Yanbian University, Yanji, Jilin Province, 133002, China
| | - Yu-Chen Jiang
- Key Laboratory of Traditional Chinese Korean Medicine Research (Yanbian University), State Ethnic Affairs Commission, College of Pharmacy, Yanbian University, Yanji, Jilin Province, 133002, China
| | - Zhen-Yu Cui
- Key Laboratory of Traditional Chinese Korean Medicine Research (Yanbian University), State Ethnic Affairs Commission, College of Pharmacy, Yanbian University, Yanji, Jilin Province, 133002, China
| | - Li-Hua Lian
- Key Laboratory of Traditional Chinese Korean Medicine Research (Yanbian University), State Ethnic Affairs Commission, College of Pharmacy, Yanbian University, Yanji, Jilin Province, 133002, China
| | - Ji-Xing Nan
- Key Laboratory of Traditional Chinese Korean Medicine Research (Yanbian University), State Ethnic Affairs Commission, College of Pharmacy, Yanbian University, Yanji, Jilin Province, 133002, China; Clinical Research Center, Affiliated Hospital of Yanbian University, Yanji, Jilin Province, 133002, China.
| | - Yan-Ling Wu
- Key Laboratory of Traditional Chinese Korean Medicine Research (Yanbian University), State Ethnic Affairs Commission, College of Pharmacy, Yanbian University, Yanji, Jilin Province, 133002, China.
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Ding Q, Cao F, Lai S, Zhuge H, Chang K, Valencak TG, Liu J, Li S, Ren D. Lactobacillus plantarum ZY08 relieves chronic alcohol-induced hepatic steatosis and liver injury in mice via restoring intestinal flora homeostasis. Food Res Int 2022; 157:111259. [DOI: 10.1016/j.foodres.2022.111259] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Revised: 04/12/2022] [Accepted: 04/14/2022] [Indexed: 12/12/2022]
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Zhang P, Tian L, Bao J, Li S, Li A, Wen Y, Wang J, Jie Y. Isotretinoin Impairs the Secretory Function of Meibomian Gland Via the PPARγ Signaling Pathway. Invest Ophthalmol Vis Sci 2022; 63:29. [PMID: 35353124 PMCID: PMC8976919 DOI: 10.1167/iovs.63.3.29] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
Abstract
Purpose To investigate the effects of isotretinoin on the ocular surface and to explore the possible mechanisms. Methods Rats were treated with isotretinoin 20 mg/kg/d for five months and tested monthly for tear secretion, fluorescein staining, and infrared photography. After five months of treatment, tissues were harvested for routine staining to evaluate the morphological changes; and real-time polymerase chain reaction, Western blot, and immunohistochemistry to study the expression of associated genes and their products such as forkhead box protein O1 (FoxO1), forkhead box protein O3, peroxisome proliferator–activated receptor γ (PPARγ), adipose differentiation–related protein, elongation of very long chain fatty acids protein 4, fatty acid binding protein 4, matrix metalloproteinase-9, and interleukin-6. Results Systemically, isotretinoin-treated rats have a significantly lower body weight that controls and apparent skin damage. Locally, although there was no alteration in tear secretion, a significant corneal involvement indicated by increased fluorescein staining scores, and also the contrast of meibomian gland was significantly reduced but no significant atrophy of the acinus was found. In addition, isotretinoin causes a decrease in conjunctival goblet cells. Furthermore, isotretinoin treatment did not cause the upregulation of FoxO1 and inflammation related genes but significantly suppressed the expression of PPARγ pathway. Conclusions Isotretinoin does not cause a significant atrophy of the acinus and a significant change of FoxO1 expression in the meibomian gland. Isotretinoin causes meibomian gland dysfunction, affecting meibocyte differentiation and qualitative and quantitative changes in the meibum, through PPARγ pathway.
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Affiliation(s)
- Peng Zhang
- Beijing Institute of Ophthalmology, Beijing Tongren Eye Center, Beijing Tongren Hospital, Capital Medical University, Beijing Ophthalmology and Visual Sciences Key Lab, Beijing, China
| | - Lei Tian
- Beijing Institute of Ophthalmology, Beijing Tongren Eye Center, Beijing Tongren Hospital, Capital Medical University, Beijing Ophthalmology and Visual Sciences Key Lab, Beijing, China
| | - Jiayu Bao
- Beijing Institute of Ophthalmology, Beijing Tongren Eye Center, Beijing Tongren Hospital, Capital Medical University, Beijing Ophthalmology and Visual Sciences Key Lab, Beijing, China
| | - Shang Li
- Beijing Institute of Ophthalmology, Beijing Tongren Eye Center, Beijing Tongren Hospital, Capital Medical University, Beijing Ophthalmology and Visual Sciences Key Lab, Beijing, China
| | - Ao Li
- Beijing Institute of Ophthalmology, Beijing Tongren Eye Center, Beijing Tongren Hospital, Capital Medical University, Beijing Ophthalmology and Visual Sciences Key Lab, Beijing, China
| | - Ya Wen
- Beijing Institute of Ophthalmology, Beijing Tongren Eye Center, Beijing Tongren Hospital, Capital Medical University, Beijing Ophthalmology and Visual Sciences Key Lab, Beijing, China
| | - Jingyi Wang
- Beijing Institute of Ophthalmology, Beijing Tongren Eye Center, Beijing Tongren Hospital, Capital Medical University, Beijing Ophthalmology and Visual Sciences Key Lab, Beijing, China
| | - Ying Jie
- Beijing Institute of Ophthalmology, Beijing Tongren Eye Center, Beijing Tongren Hospital, Capital Medical University, Beijing Ophthalmology and Visual Sciences Key Lab, Beijing, China
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Dou JY, Jiang YC, Hu ZH, Yao KC, Yuan MH, Bao XX, Zhou MJ, Liu Y, Li ZX, Lian LH, Nan JX, Wu YL. Betulin Targets Lipin1/2-Meidated P2X7 Receptor as a Therapeutic Approach to Attenuate Lipid Accumulation and Metaflammation. Biomol Ther (Seoul) 2021; 30:246-256. [PMID: 34815367 PMCID: PMC9047492 DOI: 10.4062/biomolther.2021.136] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2021] [Revised: 10/19/2021] [Accepted: 11/01/2021] [Indexed: 11/06/2022] Open
Abstract
The present study focused on the potential mechanism of betulin (BT), a pentacyclic triterpenoid isolated from the bark of white birch (Betula pubescens), against chronic alcohol-induced lipid accumulation and metaflammation. AML-12 and RAW 264.7 cells were administered ethanol (EtOH), lipopolysaccharide (LPS) or BT. Male C57BL/6 mice were fed Lieber-DeCarli liquid diets containing 5% EtOH for 4 weeks, followed by single EtOH gavage on the last day and simultaneous treatment with BT (20 or 50 mg/kg) by oral gavage once per day. In vitro, MTT showed that 0-25 mM EtOH and 0-25 μM BT had no toxic effect on AML-12 cells. BT could regulate sterolregulatory-element-binding protein 1 (SREBP1), lipin1/2, P2X7 receptor (P2X7r) and NOD-like receptor family, pyrin domains-containing protein 3 (NLRP3) expressions again EtOH-stimulation. Oil Red O staining also indicated that BT significantly reduced lipid accumulation in EtOH-stimulated AML-12 cells. Lipin1/2 deficiency indicated that BT might mediate lipin1/2 to regulate SREBP1 and P2X7r expression and further alleviate lipid accumulation and inflammation. In vivo, BT significantly alleviated histopathological changes, reduced serum alanine aminotransferase (ALT) and aspartate aminotransferase (AST) and triglyceride (TG) levels, and regulated lipin1/2, SREBP1, peroxisome proliferator activated receptor α/γ (PPARα/γ) and PGC-1α expression compared with the EtOH group. BT reduced the secretion of inflammatory factors and blocked the P2X7r-NLRP3 signaling pathway. Collectively, BT attenuated lipid accumulation and metaflammation by regulating the lipin1/2-mediated P2X7r signaling pathway.
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Affiliation(s)
- Jia-Yi Dou
- Key Laboratory for Traditional Chinese Korean Medicine of Jilin Province, College of Pharmacy, Yanbian University, Yanji, Jilin Province 133002, China
| | - Yu-Chen Jiang
- Key Laboratory for Traditional Chinese Korean Medicine of Jilin Province, College of Pharmacy, Yanbian University, Yanji, Jilin Province 133002, China
| | - Zhong-He Hu
- Key Laboratory for Traditional Chinese Korean Medicine of Jilin Province, College of Pharmacy, Yanbian University, Yanji, Jilin Province 133002, China
| | - Kun-Chen Yao
- Key Laboratory for Traditional Chinese Korean Medicine of Jilin Province, College of Pharmacy, Yanbian University, Yanji, Jilin Province 133002, China
| | - Ming-Hui Yuan
- Key Laboratory for Traditional Chinese Korean Medicine of Jilin Province, College of Pharmacy, Yanbian University, Yanji, Jilin Province 133002, China
| | - Xiao-Xue Bao
- Key Laboratory for Traditional Chinese Korean Medicine of Jilin Province, College of Pharmacy, Yanbian University, Yanji, Jilin Province 133002, China
| | - Mei-Jie Zhou
- Key Laboratory for Traditional Chinese Korean Medicine of Jilin Province, College of Pharmacy, Yanbian University, Yanji, Jilin Province 133002, China
| | - Yue Liu
- Key Laboratory for Traditional Chinese Korean Medicine of Jilin Province, College of Pharmacy, Yanbian University, Yanji, Jilin Province 133002, China
| | - Zhao-Xu Li
- Key Laboratory for Traditional Chinese Korean Medicine of Jilin Province, College of Pharmacy, Yanbian University, Yanji, Jilin Province 133002, China
| | - Li-Hua Lian
- Key Laboratory for Traditional Chinese Korean Medicine of Jilin Province, College of Pharmacy, Yanbian University, Yanji, Jilin Province 133002, China
| | - Ji-Xing Nan
- Key Laboratory for Traditional Chinese Korean Medicine of Jilin Province, College of Pharmacy, Yanbian University, Yanji, Jilin Province 133002, China
| | - Yan-Ling Wu
- Key Laboratory for Traditional Chinese Korean Medicine of Jilin Province, College of Pharmacy, Yanbian University, Yanji, Jilin Province 133002, China
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Cui ZY, Han X, Jiang YC, Dou JY, Yao KC, Hu ZH, Yuan MH, Bao XX, Zhou MJ, Liu Y, Lian LH, Zhang X, Nan JX, Wu YL. Allium victorialis L. Extracts Promote Activity of FXR to Ameliorate Alcoholic Liver Disease: Targeting Liver Lipid Deposition and Inflammation. Front Pharmacol 2021; 12:738689. [PMID: 34690775 PMCID: PMC8531498 DOI: 10.3389/fphar.2021.738689] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Accepted: 08/09/2021] [Indexed: 12/20/2022] Open
Abstract
Allium victorialis L. (AVL) is a traditional medicinal plant recorded in the Compendium of Materia Medica (the Ming Dynasty). In general, it is used for hemostasis, analgesia, anti-inflammation, antioxidation, and to especially facilitate hepatoprotective effect. In recent years, it has received more and more attention due to its special nutritional and medicinal value. The present study investigates the effect and potential mechanism of AVL against alcoholic liver disease (ALD). C57BL/6 mice were fed Lieber-DeCarli liquid diet containing 5% ethanol plus a single ethanol gavage (5 g/kg), and followed up with the administration of AVL or silymarin. AML12 cells were stimulated with ethanol and incubated with AVL. AVL significantly reduced serum transaminase and triglycerides in the liver and attenuated histopathological changes caused by ethanol. AVL significantly inhibited SREBP1 and its target genes, regulated lipin 1/2, increased PPARα and its target genes, and decreased PPARγ expression caused by ethanol. In addition, AVL significantly enhanced FXR, LXRs, Sirt1, and AMPK expressions compared with the EtOH group. AVL also inhibited inflammatory factors, NLRP3, and F4/80 and MPO, macrophage and neutrophil markers. In vitro, AVL significantly reduced lipid droplets, lipid metabolism enzymes, and inflammatory factors depending on FXR activation. AVL could ameliorate alcoholic steatohepatitis, lipid deposition and inflammation in ALD by targeting FXR activation.
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Affiliation(s)
- Zhen-Yu Cui
- Key Laboratory for Traditional Chinese Korean Medicine of Jilin Province, College of Pharmacy, Yanbian University, Yanji, China
| | - Xin Han
- Chinese Medicine Processing Centre, College of Pharmacy, Zhejiang Chinese Medical University, Hangzhou, China
| | - Yu-Chen Jiang
- Key Laboratory for Traditional Chinese Korean Medicine of Jilin Province, College of Pharmacy, Yanbian University, Yanji, China
| | - Jia-Yi Dou
- Key Laboratory for Traditional Chinese Korean Medicine of Jilin Province, College of Pharmacy, Yanbian University, Yanji, China
| | - Kun-Chen Yao
- Key Laboratory for Traditional Chinese Korean Medicine of Jilin Province, College of Pharmacy, Yanbian University, Yanji, China
| | - Zhong-He Hu
- Key Laboratory for Traditional Chinese Korean Medicine of Jilin Province, College of Pharmacy, Yanbian University, Yanji, China
| | - Ming-Hui Yuan
- Key Laboratory for Traditional Chinese Korean Medicine of Jilin Province, College of Pharmacy, Yanbian University, Yanji, China
| | - Xiao-Xue Bao
- Key Laboratory for Traditional Chinese Korean Medicine of Jilin Province, College of Pharmacy, Yanbian University, Yanji, China
| | - Mei-Jie Zhou
- Key Laboratory for Traditional Chinese Korean Medicine of Jilin Province, College of Pharmacy, Yanbian University, Yanji, China
| | - Yue Liu
- Key Laboratory for Traditional Chinese Korean Medicine of Jilin Province, College of Pharmacy, Yanbian University, Yanji, China
| | - Li-Hua Lian
- Key Laboratory for Traditional Chinese Korean Medicine of Jilin Province, College of Pharmacy, Yanbian University, Yanji, China
| | - Xian Zhang
- Agricultural College, Yanbian University, Yanji, China
| | - Ji-Xing Nan
- Key Laboratory for Traditional Chinese Korean Medicine of Jilin Province, College of Pharmacy, Yanbian University, Yanji, China.,Clinical Research Center, Affiliated Hospital of Yanbian University, Yanji, China
| | - Yan-Ling Wu
- Key Laboratory for Traditional Chinese Korean Medicine of Jilin Province, College of Pharmacy, Yanbian University, Yanji, China
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Han X, Wu Y, Yang Q, Cao G. Peroxisome proliferator-activated receptors in the pathogenesis and therapies of liver fibrosis. Pharmacol Ther 2021; 222:107791. [PMID: 33321113 DOI: 10.1016/j.pharmthera.2020.107791] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Accepted: 12/04/2020] [Indexed: 12/12/2022]
Abstract
Liver fibrosis is a dynamic wound-healing process associated with the deposition of extracellular matrix produced by myofibroblasts. HSCs activation, inflammation, oxidative stress, steatosis and aging play critical roles in the progression of liver fibrosis, which is correlated with the regulation of the peroxisome proliferator-activated receptor (PPAR) pathway. As nuclear receptors, PPARs reduce inflammatory response, regulate lipid metabolism, and inhibit fibrogenesis in the liver associated with aging. Thus, PPAR ligands have been investigated as possible therapeutic agents. Mounting evidence indicated that some PPAR agonists could reverse steatohepatitis and liver fibrosis. Consequently, targeting PPARs might be a promising and novel therapeutic option against liver fibrosis. This review summarizes recent studies on the role of PPARs on the pathogenesis and treatment of liver fibrosis.
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Yao Y, Zuo A, Deng Q, Liu S, Zhan T, Wang M, Xu H, Ma J, Zhao Y. Physcion Protects Against Ethanol-Induced Liver Injury by Reprogramming of Circadian Clock. Front Pharmacol 2020; 11:573074. [PMID: 33381029 PMCID: PMC7768821 DOI: 10.3389/fphar.2020.573074] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Accepted: 10/15/2020] [Indexed: 12/21/2022] Open
Abstract
The circadian clock plays a key role in our daily physiology and metabolism. Alcohol consumption disrupts the circadian rhythm of metabolic genes in the liver; however, the potential contribution of circadian clock modulation to alcoholic liver disease (ALD) is unknown. We identified a novel liver protective agent, physcion, which can alleviate fat accumulation and inflammation in ALD mice via reprogramming the hepatic circadian clock. The model of alcoholic hepatitis was established by intragastrically administering ethanol. In vitro, physcion was investigated by treating HepG2 cells with ethanol. The role of circadian clock in Physcion caused liver protection was tested by knocking down the core circadian gene Bmal1. Physcion application caused reduced lipogenesis and alleviated inflammation in alcohol-induced mice. In alcoholic hepatosteatosis models, physcion upregulated the core circadian genes. And the circadian misalignment triggered by ethanol was efficiently reversed by physcion. Physcion attenuated lipogenesis via reprogramming the circadian clock in HepG2 cells. Suppression of Bmal1 by RNA interference abolished the protective of physcion. In addition, Physcion binds to the active pocket of BMAL1 and promotes its expression. The study identified the novel liver protective effects of physcion on alcohol-induced liver injury, and modulation of the core circadian clock regulators contributes to ALD alleviation. More importantly, strategies targeting the circadian machinery, for example, Bmal1, may prove to be beneficial treatment options for this condition.
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Affiliation(s)
- Youli Yao
- Department of Physiology, School of Basic Medical Sciences, Shenzhen University Health Sciences Center, Shenzhen University, Shenzhen, China
| | - Along Zuo
- Key Laboratory for Natural Resource of Changbai Mountain and Functional Molecules, Ministry of Education, Yanbian University, Yanji, China
| | - Qiyu Deng
- Department of Physiology, School of Basic Medical Sciences, Shenzhen University Health Sciences Center, Shenzhen University, Shenzhen, China
| | - Shikang Liu
- Department of Physiology, School of Basic Medical Sciences, Shenzhen University Health Sciences Center, Shenzhen University, Shenzhen, China
| | - Tianying Zhan
- Department of Physiology, School of Basic Medical Sciences, Shenzhen University Health Sciences Center, Shenzhen University, Shenzhen, China
| | - Maolin Wang
- Department of Physiology, School of Basic Medical Sciences, Shenzhen University Health Sciences Center, Shenzhen University, Shenzhen, China
| | - Haidong Xu
- University of Chinese Academy of Sciences, Shenzhen Hospital, Shenzhen, China
| | - Junxian Ma
- School of Information Engineering, Shenzhen University, Shenzhen, China
| | - Yingying Zhao
- Department of Physiology, School of Basic Medical Sciences, Shenzhen University Health Sciences Center, Shenzhen University, Shenzhen, China
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Yao Y, Zhang W, Ming R, Deng Q, Zuo A, Zhang S, Ying Y, Zhao Y, Ma J. Noninvasive 40-Hz Light Flicker Rescues Circadian Behavior and Abnormal Lipid Metabolism Induced by Acute Ethanol Exposure via Improving SIRT1 and the Circadian Clock in the Liver-Brain Axis. Front Pharmacol 2020; 11:355. [PMID: 32269528 PMCID: PMC7109315 DOI: 10.3389/fphar.2020.00355] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2019] [Accepted: 03/10/2020] [Indexed: 12/12/2022] Open
Abstract
Sirtuin 1 (SIRT1) is a protein deacetylase with important cellular functions, as it regulates numerous processes, including the circadian rhythm in peripheral tissues. Efforts are ongoing to reveal how Sirt1 can be used to treat diseases, such as alcoholic liver disease (ALD), Alzheimer's disease, and liver fibrosis. We have recently shown that noninvasive exposure to 40-Hz light flicker activates hypothalamic SIRT1 gene expression, thereby regulating the central circadian clock. This study investigated the effects of 40-Hz light flicker in a mouse model of ALD. RNA sequencing (RNA-seq) analysis was performed to explore the potential pathways affected by 40-Hz light flicker. We found that 40-Hz light flicker significantly decreased the acute ethanol-induced increases in serum alanine aminotransferase (ALT) and serum triglyceride (TG) levels and reduced fat-droplet accumulation in mouse livers. Additionally, 40-Hz light flicker significantly suppressed ethanol-induced increases in sterol regulatory element binding protein 1 (SREBP-1) and fatty acid synthase (Fasn) levels. Furthermore, the ethanol induced significant decreases in both Sirt1 levels and phosphorylation of adenosine monophosphate-activated protein kinase subunit (AMPKα), compared with those in the control group. Strikingly, pretreatment with 40-Hz light flicker ameliorated such ethanol-induced decreases in SIRT1 levels and AMPKα phosphorylation. In addition, ethanol-induced increases in levels of brain and muscle arnt-like protein-1 (BMAL1), circadian locomotor output cycles kaput (CLOCK), and period 2 (PER2) were reversed by 40-Hz light flicker. RNA-seq analysis revealed significant differences in expression of genes related to the AMPK signalling. Moreover, ethanol consumption altered mRNA levels of Sirt1 and circadian genes in the suprachiasmatic nucleus (SCN), indicating that ethanol influenced central pacemaker genes; however, 40-Hz light flicker reversed these ethanol-induced changes. Taken together, our findings demonstrate that 40-Hz light flicker rapidly influence the SCN and exhibits inhibitory properties on hepatic lipogenesis, indicating that 40-Hz light flicker has therapeutic potential for preventing alcoholic liver steatosis.
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Affiliation(s)
- Youli Yao
- Department of Physiology, School of Basic Medical Sciences, Shenzhen University Health Sciences Center, Shenzhen University, Shenzhen, China.,School of Information Engineering, Shenzhen University, Shenzhen, China
| | - Wenjiang Zhang
- School of Information Engineering, Shenzhen University, Shenzhen, China
| | - Ruibo Ming
- School of Information Engineering, Shenzhen University, Shenzhen, China
| | - Qiyu Deng
- Department of Physiology, School of Basic Medical Sciences, Shenzhen University Health Sciences Center, Shenzhen University, Shenzhen, China
| | - Along Zuo
- Key Laboratory for Natural Resource of Changbai Mountain and Functional Molecules, Ministry of Education, Yanbian University, Yanji, China
| | - Shengli Zhang
- School of Information Engineering, Shenzhen University, Shenzhen, China
| | - Ying Ying
- Department of Physiology, School of Basic Medical Sciences, Shenzhen University Health Sciences Center, Shenzhen University, Shenzhen, China
| | - Yingying Zhao
- Department of Physiology, School of Basic Medical Sciences, Shenzhen University Health Sciences Center, Shenzhen University, Shenzhen, China
| | - Junxian Ma
- School of Information Engineering, Shenzhen University, Shenzhen, China
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Liu C, Cui Y, Pi F, Guo Y, Cheng Y, Qian H. Torularhodin Ameliorates Oxidative Activity in Vitro and d-Galactose-Induced Liver Injury via the Nrf2/HO-1 Signaling Pathway in Vivo. J Agric Food Chem 2019; 67:10059-10068. [PMID: 31431007 DOI: 10.1021/acs.jafc.9b03847] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Torularhodin is a natural product extracted from Sporidiobolus pararoseus and has a similar chemical structure to β-carotene. The antioxidative effects of torularhodin were investigated using DPPH, ABTS, a cell oxidative damage model in vitro, and a d-galactose-induced liver-injured mouse model in vivo. Cell experiments demonstrated that torularhodin had a powerful effect on oxidative damage caused by H2O2 to AML12 cells. Torularhodin significantly reduced inflammatory cytokines and increased the activity of antioxidant enzymes both in mouse serum and the liver. The inhibition of d-galactose-induced oxidative damage in the liver was correlated with the torularhodin-mediated effects on improving the activity of Nrf2/HO-1, reducing the expression of Bax and NF-κB p65 by western blot analysis. RT-PCR results demonstrated torularhodin upregulated the antioxidative mRNA expression of Nrf2, NQO1, and HO-1 in the liver. In summary, torularhodin significantly scavenged free radicals and prevented oxidative damage in vitro and reduced d-galactose-induced liver oxidation via promotion of the Nrf2/HO-1 pathways in vivo.
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Affiliation(s)
| | - Yan Cui
- Institute of Agricultural Products Processing, Key Laboratory of Preservation Engineering of Agricultural Products , Ningbo Academy of Agricultural Sciences , Ningbo 315040 , China
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Han X, Cui ZY, Song J, Piao HQ, Lian LH, Hou LS, Wang G, Zheng S, Dong XX, Nan JX, Wu YL. Acanthoic acid modulates lipogenesis in nonalcoholic fatty liver disease via FXR/LXRs-dependent manner. Chem Biol Interact 2019; 311:108794. [DOI: 10.1016/j.cbi.2019.108794] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2019] [Revised: 07/24/2019] [Accepted: 08/13/2019] [Indexed: 02/07/2023]
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13
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Zuo A, Wang S, Liu L, Yao Y, Guo J. Understanding the effect of anthocyanin extracted from Lonicera caerulea L. on alcoholic hepatosteatosis. Biomed Pharmacother 2019; 117:109087. [PMID: 31195351 DOI: 10.1016/j.biopha.2019.109087] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2019] [Revised: 06/03/2019] [Accepted: 06/04/2019] [Indexed: 01/03/2023] Open
Abstract
Liver inflammation and excessive accumulation of lipids play a critical role in alcoholic liver diseases (ALD) pathogenesis. Plant polyphenols are widely used to prevent toxic liver damage. The anthocyanin from Lonicera caerulea L. was extracted and purified. The aim of the study was to evaluate the hepatoprotective mechanism of the purified component (PLE), focusing on the effects of PLE on alcoholic steatohepatitis. C57BL/6 mice were fed on chronic plus binge ethanol in Lieber-DeCarli liquid diet to establish acute ethanol model. PLE treatment significantly reduced the accumulation of serum aminotransferase and triglycerides and increased albumin levels in ethanol-induced mice. Also, PLE ameliorated histological changes and lipid droplets induced by ethanol. In addition, PLE obviously suppressed the expression of SREBP1 and enhanced phosphorylation of AMPK compared with chronic ethanol administration. PLE suppressed inflammasome activation by decreasing F4/80 level and inhibiting caspase-1, thereby preventing activated macrophages from producing pro-inflammation cytokines. AML12 cells were pretreated with different concentrations of PLE for 2 h and then exposed to ethanol for 48 h. PLE suppressed the expression of SREBP1 and enhanced phosphorylation of AMPK in AML12 cells exposed to ethanol. Additionally, PLE inhibited the expression of F4/80 and decreased IL-1β release. AMPK interference confirms that PLE downregulation SREBP1 and F4/80 depending on AMPK activation in ethanol-treated AML12 cells. PLE possessed the capacity for inhibiting the inflammatory response and suppressing lipid accumulation, indicating that PLE can be used as a dietary health supplement for alcoholic steatohepatitis.
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Wu C, Liu J, Tang Y, Li Y, Yan Q, Jiang Z. Hepatoprotective Potential of Partially Hydrolyzed Guar Gum against Acute Alcohol-Induced Liver Injury in Vitro and Vivo. Nutrients 2019; 11:E963. [PMID: 31035540 PMCID: PMC6567107 DOI: 10.3390/nu11050963] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2019] [Revised: 04/19/2019] [Accepted: 04/24/2019] [Indexed: 12/11/2022] Open
Abstract
Natural polysaccharides, particularly galactomannans, are potential candidates for treatment of alcoholic liver diseases (ALD). However, applications are restricted due to the physicochemical properties associated with the high molecular weight. In this work, guar gum galactomannans were partially hydrolyzed by β-mannanase, and the molecular mechanisms of hepatoprotective effects were elucidated both in vitro and in vivo. Release of lactate dehydrogenase and cytochrome C were attenuated by partially hydrolyzed guar gum (PHGG) in HepG2 cells, due to protected cell and mitochondrial membrane integrity. PHGG co-administration decreased serum amino transaminases and cholinesterase levels of acute alcohol intoxicated mice, while hepatic pathologic morphology was depleted. Activity of superoxide dismutase, catalase, and glutathione peroxidase was recovered to 198.2, 34.5, 236.0 U/mg protein, respectively, while malondialdehyde level was decreased by 76.3% (PHGG, 1000 mg/kg∙day). Co-administration of PHGG induced a 4.4-fold increment of p-AMPK expression, and lipid metabolism was mediated. PHGG alleviated toll-like-receptor-4-mediated inflammation via the signaling cascade of MyD88 and IκBα, decreasing cytokine production. Moreover, mediated expression of Bcl-2 and Bax was responsible for inhibited acute alcohol-induced apoptosis with suppressed cleavage of caspase 3 and PARP. Findings gained suggest that PHGG can be used as functional food supplement for the treatment of acute alcohol-induced liver injury.
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Affiliation(s)
- Chenxuan Wu
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, China Agricultural University, Beijing 100083, China.
| | - Jun Liu
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, China Agricultural University, Beijing 100083, China.
| | - Yanbin Tang
- National Institute for Nutrition and Health, Chinese Center for Disease Control and Prevention, Beijing 100050, China.
| | - Yanxiao Li
- Bioresource Utilization Laboratory, College of Engineering, China Agricultural University, Beijing 100083, China.
| | - Qiaojuan Yan
- Bioresource Utilization Laboratory, College of Engineering, China Agricultural University, Beijing 100083, China.
| | - Zhengqiang Jiang
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, China Agricultural University, Beijing 100083, China.
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Zhang HY, Chen RL, Shao Y, Wang HL, Liu ZG. Effects of exposure of adult mice to multi-walled carbon nanotubes on the liver lipid metabolism of their offspring. Toxicol Res (Camb) 2018; 7:809-816. [PMID: 30310658 PMCID: PMC6115901 DOI: 10.1039/c8tx00032h] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2018] [Accepted: 04/12/2018] [Indexed: 01/16/2023] Open
Abstract
Objective: To explore the toxicity of multi-walled carbon nanotubes (MWCNTs) on the liver lipid metabolism of offspring mice and the possible mechanisms involved. Method: Virgin female (16-18 g) and male (18-20 g) C57BL/6 mice were randomly divided into two groups: Control group and Test group. After anesthesia with chloral hydrate, the mice were administered 50 μL saline or dust solution by intratracheal instillation (Control group: 50 μL saline; Test group: 15 mg kg-1 MWCNTs). Mice were injected with these doses once a week for 13 weeks. Then, male and female mice in the same group were allowed to mate to produce offspring. The pups were fed with normal diet until the end of the experiment (12 weeks old). The offspring mice were sacrificed by decapitation to detect the blood biochemistry and the expression of genes and proteins. Results: Compared with the Control group, MWCNTs significantly reduced the weight of offspring mice (male and female) and led to histopathological changes in the liver tissues. The expression of liver fat synthesis gene significantly increased (P < 0.05 or P < 0.01). The expression of genes and proteins involved in the inflammatory reactions appeared to be abnormal (P < 0.05 or P < 0.01). Conclusion: Exposure of adult mice to MWCNTs can affect the expression of fatty acid synthesis genes in the liver tissues of offspring mice, leading to disruption of liver function and accumulation of lipid droplets in the hepatocytes. The imbalance between M1 and M2 liver macrophage phenotypes may be one of the underlying mechanisms of action of MWCNTs leading to disordered fatty acid synthesis in offspring mice.
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Affiliation(s)
- Hong-Yu Zhang
- School of biological and pharmaceutical engineering , Wuhan Polytechnic University , 68 Xuefu Southern Road , Wuhan 430023 , China . ; Tel: +86 27 83956899
| | - Ru-Long Chen
- School of biological and pharmaceutical engineering , Wuhan Polytechnic University , 68 Xuefu Southern Road , Wuhan 430023 , China . ; Tel: +86 27 83956899
| | - Yang Shao
- School of biological and pharmaceutical engineering , Wuhan Polytechnic University , 68 Xuefu Southern Road , Wuhan 430023 , China . ; Tel: +86 27 83956899
| | - Hua-Lin Wang
- School of biological and pharmaceutical engineering , Wuhan Polytechnic University , 68 Xuefu Southern Road , Wuhan 430023 , China . ; Tel: +86 27 83956899
| | - Zhi-Guo Liu
- School of biological and pharmaceutical engineering , Wuhan Polytechnic University , 68 Xuefu Southern Road , Wuhan 430023 , China . ; Tel: +86 27 83956899
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Jeanblanc J, Rolland B, Gierski F, Martinetti MP, Naassila M. Animal models of binge drinking, current challenges to improve face validity. Neurosci Biobehav Rev 2019; 106:112-21. [PMID: 29738795 DOI: 10.1016/j.neubiorev.2018.05.002] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2018] [Revised: 03/29/2018] [Accepted: 05/01/2018] [Indexed: 01/08/2023]
Abstract
Binge drinking (BD), i.e., consuming a large amount of alcohol in a short period of time, is an increasing public health issue. Though no clear definition has been adopted worldwide the speed of drinking seems to be a keystone of this behavior. Developing relevant animal models of BD is a priority for gaining a better characterization of the neurobiological and psychobiological mechanisms underlying this dangerous and harmful behavior. Until recently, preclinical research on BD has been conducted mostly using forced administration of alcohol, but more recent studies used scheduled access to alcohol, to model more voluntary excessive intakes, and to achieve signs of intoxications that mimic the human behavior. The main challenges for future research are discussed regarding the need of good face validity, construct validity and predictive validity of animal models of BD.
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Yao YL, Han X, Song J, Zhang J, Li YM, Lian LH, Wu YL, Nan JX. Acanthoic acid protectsagainst ethanol-induced liver injury: Possible role of AMPK activation and IRAK4 inhibition. Toxicol Lett 2017; 281:127-138. [DOI: 10.1016/j.toxlet.2017.09.020] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2017] [Revised: 09/20/2017] [Accepted: 09/26/2017] [Indexed: 12/18/2022]
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