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Kumar K, Rawat P, Kaur S, Singh N, Yadav HN, Singh D, Jaggi AS, Sethi D. Unveiling Wide Spectrum Therapeutic Implications and Signaling Mechanisms of Valsartan in Diverse Disorders: A Comprehensive Review. Curr Drug Res Rev 2024; 16:268-288. [PMID: 37461345 DOI: 10.2174/2589977515666230717120828] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Revised: 04/27/2023] [Accepted: 08/24/2023] [Indexed: 09/04/2024]
Abstract
Valsartan is an orally active non-peptide angiotensin receptor antagonist, an effective and well-tolerated anti-hypertensive drug. Besides its antihypertensive action, it has clinical implications in many other disorders, like heart failure (HF), arrhythmia, chronic kidney disease (CKD), diabetic complications (DM), atherosclerosis, etc. Besides angiotensin receptor blocking activity, valsartan reduces circulating levels of biochemical markers, such as hs-CRP, which is responsible for its anti-inflammatory and anti-oxidant activity. Moreover, valsartan also acts by inhibiting or inducing various signalling pathways, such as inducing autophagy via the AKT/mTOR/S6K pathway or inhibiting the TLR/NF-kB pathway. The current review exhaustively discusses the therapeutic implications of valsartan with specific emphasis on the mechanism of action in various disorders. The article provides a detailed spectrum of the therapeutic profile of valsartan and will likely be very useful to researchers working in the relevant research areas.
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Affiliation(s)
- Kuldeep Kumar
- Department of Pharmaceutical Sciences and Drug Research, Punjabi University, Patiala, Punjab, India
| | - Pooja Rawat
- Department of Pharmaceutical Sciences and Drug Research, Punjabi University, Patiala, Punjab, India
| | - Simrat Kaur
- Department of Pharmaceutical Sciences and Drug Research, Punjabi University, Patiala, Punjab, India
| | - Nirmal Singh
- Department of Pharmaceutical Sciences and Drug Research, Punjabi University, Patiala, Punjab, India
| | - Harlokesh Narayan Yadav
- Department of Pharmacology, All India Institute of Medical Sciences (AIIMS), New Delhi, India
| | - Dhandeep Singh
- Department of Pharmaceutical Sciences and Drug Research, Punjabi University, Patiala, Punjab, India
| | - Amteshwar Singh Jaggi
- Department of Pharmaceutical Sciences and Drug Research, Punjabi University, Patiala, Punjab, India
| | - Dimple Sethi
- Department of Pharmaceutical Sciences and Drug Research, Punjabi University, Patiala, Punjab, India
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Yang H, Zhang P, Wang Q, Cheng K, Zhao Y. The research development of STAT3 in hepatic ischemia-reperfusion injury. Front Immunol 2023; 14:1066222. [PMID: 36761734 PMCID: PMC9902876 DOI: 10.3389/fimmu.2023.1066222] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Accepted: 01/10/2023] [Indexed: 01/25/2023] Open
Abstract
Ischemia-reperfusion injury (IRI) is a common complication of surgery, which can cause rapid deterioration of the liver function, increase the risk of graft rejection, and seriously affect the prognosis of patients. The signal transducer and activator of transcription 3 (STAT3) protein has been implicated in pathogenesis of IRI. STAT3 influences the mitochondria through multiple pathways and is also involved in apoptosis and other forms of programmed cell death. STAT3 is associated with Janus kinase (JAK), phosphoinositide-3 kinase (PI3K), and heme oxygenase-1 (HO-1) in liver IRI. The STAT3 pathway plays a dual role in IRI as it can also regulate lipid metabolism which may have potential for treating IRI fatty liver. In this review, we summarize research on the function of STAT3 in liver IRI to provide references for its application in the clinic.
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Affiliation(s)
| | | | | | | | - Yujun Zhao
- Engineering and Technology Research Center for Transplantation Medicine of National Health Comission, Third Xiangya Hospital, Central South University, Changsha, China
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GABA, γ-Aminobutyric Acid, Protects Against Severe Liver Injury. J Surg Res 2018; 236:172-183. [PMID: 30694753 DOI: 10.1016/j.jss.2018.11.047] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2018] [Revised: 11/01/2018] [Accepted: 11/21/2018] [Indexed: 12/24/2022]
Abstract
BACKGROUND Acute liver failure (ALF) from severe acute liver injury is a critical condition associated with high mortality. The purpose of this study was to investigate the impact of preemptive administration of γ-aminobutyric acid (GABA) on hepatic injury and survival outcomes in mice with experimentally induced ALF. MATERIALS AND METHODS To induce ALF, C57BL/6NHsd mice were administered GABA, saline, or nothing for 7 d, followed by intraperitoneal administration of 500 μg of tumor necrosis factor α and 20 mg of D-galactosamine. The study mice were humanely euthanized 4-5 h after ALF was induced or observed for survival. Proteins present in the blood samples and liver tissue from the euthanized mice were analyzed using Western blot and immunohistochemical and histopathologic analyses. For inhibition studies, we administered the STAT3-specific inhibitor, NSC74859, 90 min before ALF induction. RESULTS We found that GABA-treated mice had substantial attenuation of terminal deoxynucleotidyl transferase dUTP nick end labeling-positive hepatocytes and hepatocellular necrosis, decreased caspase-3, H2AX, and p38 MAPK protein levels and increased expressions of Jak2, STAT3, Bcl-2, and Mn-SOD, with improved mitochondrial integrity. The reduced apoptotic proteins led to a significantly prolonged survival after ALF induction in GABA-treated mice. The STAT3-specific inhibitor NSC74859 eliminated the survival advantage in GABA-treated mice with ALF, indicating the involvement of the STAT3 pathway in GABA-induced reduction in apoptosis. CONCLUSIONS Our results showed that preemptive treatment with GABA protected against severe acute liver injury in mice via GABA-mediated STAT3 signaling. Preemptive administration of GABA may be a useful approach to optimize marginal donor livers before transplantation.
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Han YF, Zhao YB, Li J, Li L, Li YG, Li SP, Li ZD. Stat3-Atg5 signal axis inducing autophagy to alleviate hepatic ischemia-reperfusion injury. J Cell Biochem 2017; 119:3440-3450. [PMID: 29143976 DOI: 10.1002/jcb.26516] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2017] [Accepted: 11/13/2017] [Indexed: 12/16/2022]
Abstract
In performing our experiment, impaired autophagy increased hepatocellular damage during the reperfusion period. It was demonstrated by the effect of blocking autophagy using bafilomycin A1 or knocking Atg5 gene out reduces the anti-apoptotic effect of Stat3. Here we focus on the role of signal transducer and activator of transcription 3 (Stat3) in regulating autophagy to alleviate hepatic IRI. We found that Stat3 was up-regulated during hepatic IRI and was associated with an activation of the autophagic signaling pathway. This increased Stat3 expression, which was allied with high autophagic activity, alleviated liver damage to IR, an effect which was abrogated by Stat3 epletion as demonstrated in both in vivo and in vitro methods. The levels of Atg5 protein were decreased when Stat3 was inhibited by HO 3867 or siStat3. We conclude that Stat3 appeared to exert a pivotal role in hepatic IRI, by activating autophagy to alleviate hepatic IRI, and Atg5 was required for this process. The identification of this novel pathway, that links expression levels of Stat3 with Atg5-mediated autophagy, may provide new insights for the generation of novel protective therapies directed against hepatic IRI.
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Affiliation(s)
- Yu-Fang Han
- Second Department of General Surgery, Jiaozuo People's Hospital, Jiaozuo, Henan, China
| | - Yan-Bing Zhao
- Second Department of General Surgery, Jiaozuo People's Hospital, Jiaozuo, Henan, China
| | - Jun Li
- Second Department of General Surgery, Jiaozuo People's Hospital, Jiaozuo, Henan, China
| | - Li Li
- Second Department of General Surgery, Jiaozuo People's Hospital, Jiaozuo, Henan, China
| | - Yong-Gan Li
- Second Department of General Surgery, Jiaozuo People's Hospital, Jiaozuo, Henan, China
| | - Shi-Peng Li
- Second Department of General Surgery, Jiaozuo People's Hospital, Jiaozuo, Henan, China
| | - Zhong-Dong Li
- Second Department of General Surgery, Jiaozuo People's Hospital, Jiaozuo, Henan, China
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Zhu M, Lu B, Cao Q, Wu Z, Xu Z, Li W, Yao X, Liu F. IL-11 Attenuates Liver Ischemia/Reperfusion Injury (IRI) through STAT3 Signaling Pathway in Mice. PLoS One 2015; 10:e0126296. [PMID: 25946003 PMCID: PMC4422694 DOI: 10.1371/journal.pone.0126296] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2014] [Accepted: 03/30/2015] [Indexed: 01/26/2023] Open
Abstract
Background The protective role of IL-11, an IL-6 family cytokine, has been implicated in ischemia/reperfusion injury (IRI) in the heart and kidney, but its role has not been elucidated in liver IRI. This study was designed to evaluate the effects of IL-11 and its mechanism of action on liver IRI in a mouse model. Methods A partial (70%) warm liver IRI was induced by interrupting the artery/portal vein blood supply to the left/middle liver lobes. IL-11 mRNA expression of ischemic liver after reperfusion was analyzed. Signal transducer and activator of transcription 3 (STAT3) was analyzed following IL-11 treatment in vivo and in vitro. Next, IL-11 was injected intraperitoneally (ip) 1 hour before ischemia. Liver injury was assessed based on serum alanine aminotransferase levels and histopathology. Apoptosis and inflammation were also determined in the ischemic liver. To analyze the role of STAT3 in IL-11 treatment, STAT3 siRNA or non-specific (NS) siRNA was used in vitro and in vivo. Results IL-11 mRNA expression was significantly increased after reperfusion in the ischemic liver. STAT3, as a target of IL-11, was activated in hepatocytes after IL-11 treatment in vivo and in vitro. Next, effects of IL-11/STAT3 signaling pathway were assessed in liver IRI, which showed IL-11 treatment significantly attenuated liver IRI, as evidenced by reduced hepatocellular function and hepatocellular necrosis/apoptosis. In addition, IL-11 treatment significantly inhibited the gene expressions of pro-inflammatory cytokines (TNF-α and IL-10) and chemokines (IP-10 and MCP-1). To determine the role of STAT3 in the hepatoprotective effects of IL-11, STAT3 siRNA or NS siRNA was used prior to IL-11 treatment. The results showed STAT3 knockdown abrogated the protective effects of IL-11 in vitro and in vivo. Conclusions This work provides first-time evidence for the protective effect of IL-11 treatment on hepatocyte in liver IRI, through the activation of the STAT3 pathway.
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Affiliation(s)
- Miao Zhu
- Department of Surgical Oncology, Affiliated Hospital of Nanjing University of TCM, 155 Hanzhong Road, Nanjing, Jiangsu Province, P. R China
| | - Bo Lu
- Department of General Surgery, Yixing People's Hospital, 75 Tongzhenguan Road, Yixing, Jiangsu Province, P. R China
| | - Qinhong Cao
- Department of Surgical Oncology, Affiliated Hospital of Nanjing University of TCM, 155 Hanzhong Road, Nanjing, Jiangsu Province, P. R China
| | - Zhenfeng Wu
- Department of Surgical Oncology, Affiliated Hospital of Nanjing University of TCM, 155 Hanzhong Road, Nanjing, Jiangsu Province, P. R China
| | - Zhe Xu
- Department of Surgical Oncology, Affiliated Hospital of Nanjing University of TCM, 155 Hanzhong Road, Nanjing, Jiangsu Province, P. R China
| | - Weisu Li
- Department of Surgical Oncology, Affiliated Hospital of Nanjing University of TCM, 155 Hanzhong Road, Nanjing, Jiangsu Province, P. R China
| | - Xuequan Yao
- Department of Surgical Oncology, Affiliated Hospital of Nanjing University of TCM, 155 Hanzhong Road, Nanjing, Jiangsu Province, P. R China
| | - Fukun Liu
- Department of Surgical Oncology, Affiliated Hospital of Nanjing University of TCM, 155 Hanzhong Road, Nanjing, Jiangsu Province, P. R China
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Zou Z, Cai Y, Chen Y, Chen S, Liu L, Shen Z, Zhang S, Xu L, Chen Y. Bone marrow-derived mesenchymal stem cells attenuate acute liver injury and regulate the expression of fibrinogen-like-protein 1 and signal transducer and activator of transcription 3. Mol Med Rep 2015; 12:2089-97. [PMID: 25901902 DOI: 10.3892/mmr.2015.3660] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2014] [Accepted: 02/27/2015] [Indexed: 01/16/2023] Open
Abstract
In recent years, bone marrow-derived mesenchymal stem cells (BMSCs) have been demonstrated to exert extensive therapeutic effects on acute liver injury; however, the underlying mechanisms of these effects have remained to be elucidated. The present study focused on the potential anti-apoptotic and pro-regenerative effects of BMSCs in D-galactosamine (D-Gal) and lipopolysaccharide (LPS)-induced acute liver injury in rats. An experimental rat acute liver injury model was established by intraperitoneal injection of D-Gal (400 mg/kg) and LPS (80 μg/kg). BMSCs and an identical volume of saline were administered via the caudal vein 2 h after the D-Gal and LPS challenge. Subsequently, the serum samples were collected to detect the levels of alanine aminotransferase and aspartate aminotransferase. Hematoxylin and eosin staining, terminal deoxynucleotidyl transferase-mediated nick-end labeling assay and immunohistochemical staining were performed to determine apoptosis, regeneration and histological changes of liver sections. Western blotting and reverse transcription-quantitative polymerase chain reaction were performed to detect the protein and mRNA expression levels of fibrinogen-like-protein 1 (FGL1), phosphorylated signal transducer and activator of transcription 3 (p-STAT3), STAT3 and B-cell lymphoma 2 (Bcl-2) and Bcl-2 associated X protein (Bax) in liver tissue samples. The results indicated that intravenous transplantation of BMSCs significantly decreased the levels of alanine aminotransferase and aspartate aminotransferase, and reduced hepatocellular necrosis and inflammatory cell infiltration. Additionally, a terminal deoxynucleotidyl transferase-mediated nick-end labeling assay and immunohistochemical staining revealed that BMSC treatment reduced hepatocyte apoptosis and enhanced liver regeneration. Furthermore, Bcl-2 expression was increased, whilst the protein expression of Bax was reduced. The expression of FGL1 and p-STAT3 were elevated concurrently with the improvement of liver function. These results demonstrated that BMSCs may provide a promising potential agent for the prevention of acute liver injury via inhibition of hepatocyte apoptosis and acceleration of liver regeneration. The mechanism may be, a least in part, a consequence of the upregulation of FGL1 expression and the induction of STAT3 phosphorylation.
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Affiliation(s)
- Zhuolin Zou
- Department of Infectious Disease, Wenzhou Key Laboratory of Hepatology, Hepatology Institute of Wenzhou Medical University, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325000, P.R. China
| | - Yijing Cai
- Department of Infectious Disease, Wenzhou Key Laboratory of Hepatology, Hepatology Institute of Wenzhou Medical University, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325000, P.R. China
| | - Yi Chen
- Department of Infectious Disease, Wenzhou Key Laboratory of Hepatology, Hepatology Institute of Wenzhou Medical University, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325000, P.R. China
| | - Si Chen
- Department of Infectious Disease, Wenzhou Key Laboratory of Hepatology, Hepatology Institute of Wenzhou Medical University, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325000, P.R. China
| | - Liyuan Liu
- Department of Infectious Disease, Wenzhou Key Laboratory of Hepatology, Hepatology Institute of Wenzhou Medical University, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325000, P.R. China
| | - Zhonghai Shen
- Department of Orthopedic Surgery, The Second Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325027, P.R. China
| | - Sainan Zhang
- Department of Infectious Disease, Wenzhou Key Laboratory of Hepatology, Hepatology Institute of Wenzhou Medical University, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325000, P.R. China
| | - Lanman Xu
- Department of Infectious Disease, Wenzhou Key Laboratory of Hepatology, Hepatology Institute of Wenzhou Medical University, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325000, P.R. China
| | - Yongping Chen
- Department of Infectious Disease, Wenzhou Key Laboratory of Hepatology, Hepatology Institute of Wenzhou Medical University, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325000, P.R. China
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