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Fang P, She Y, Zhao J, Yan J, Yu X, Jin Y, Wei Q, Zhang Z, Shang W. Emerging roles of kisspeptin/galanin in age-related metabolic disease. Mech Ageing Dev 2021; 199:111571. [PMID: 34517021 DOI: 10.1016/j.mad.2021.111571] [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: 06/27/2021] [Revised: 07/08/2021] [Accepted: 09/07/2021] [Indexed: 12/11/2022]
Abstract
Age is a major risk factor for developing metabolic diseases such as obesity and diabetes. There is an unprecedented rise in obesity and type 2 diabetes in recent decades. A convincing majority of brain-gut peptides are associated with a higher risk to develop metabolic disorders, and may contribute to the pathophysiology of age-related metabolic diseases. Accumulating basic studies revealed an intriguing role of kisspeptin and galanin involved in the amelioration of insulin resistance in different ways. In patients suffered from obesity and diabetes a significant, sex-related changes in the plasma kisspeptin and galanin levels occurred. Kisspeptin is anorexigenic to prevent obesity, its level is negatively correlative with obesity and insulin resistance. While galanin is appetitive to stimulate food intake and body weight, its level is positively correlative with obesity, HOMA-IR and glucose/triglyceride concentration. In turn, kisspeptin and galanin also distinctly increase glucose uptake and utilization as well as energy expenditure. This article reviews recent evidence dealing with the role of kisspeptin and galanin in the pathophysiology of age-related metabolic diseases. It should be therefore taken into account that the targeted modulation of those peptidergic signaling may be potentially helpful in the future treatment of age-related metabolic diseases.
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Affiliation(s)
- Penghua Fang
- Key Laboratory for Metabolic Diseases in Chinese Medicine, First College of Clinical Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, China; Department of Physiology, Nanjing University of Chinese Medicine Hanlin College, Taizhou, 225300, China.
| | - Yuqing She
- Department of Endocrinology, Pukou Branch of Jiangsu People's Hospital, Nanjing, 210023, China
| | - Juan Zhao
- Key Laboratory for Metabolic Diseases in Chinese Medicine, First College of Clinical Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Jing Yan
- Key Laboratory for Metabolic Diseases in Chinese Medicine, First College of Clinical Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Xizhong Yu
- Key Laboratory for Metabolic Diseases in Chinese Medicine, First College of Clinical Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Yu Jin
- Key Laboratory for Metabolic Diseases in Chinese Medicine, First College of Clinical Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Qingbo Wei
- Key Laboratory of Acupuncture and Medicine Research of Minister of Education, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Zhenwen Zhang
- Department of Endocrinology, Clinical Medical College, Yangzhou University, Yangzhou, 225001, China.
| | - Wenbin Shang
- Key Laboratory for Metabolic Diseases in Chinese Medicine, First College of Clinical Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, China.
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Yang Q, Xu HR, Xiang SY, Zhang C, Ye Y, Shen CX, Mei HX, Zhang PH, Ma HY, Zheng SX, Smith FG, Jin SW, Wang Q. Resolvin Conjugates in Tissue Regeneration 1 Promote Alveolar Fluid Clearance by Activating Alveolar Epithelial Sodium Channels and Na, K-ATPase in Lipopolysaccharide-Induced Acute Lung Injury. J Pharmacol Exp Ther 2021; 379:156-165. [PMID: 34465632 DOI: 10.1124/jpet.121.000712] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Accepted: 08/18/2021] [Indexed: 01/09/2023] Open
Abstract
Acute respiratory distress syndrome (ARDS), a common and fatal clinical condition, is characterized by the destruction of epithelium and augmented permeability of the alveolar-capillary barrier. Resolvin conjugates in tissue regeneration 1 (RCTR1) is an endogenous lipid mediator derived from docosahexaenoic acid , exerting proresolution effects in the process of inflammation. In our research, we evaluated the role of RCTR1 in alveolar fluid clearance (AFC) in lipopolysaccharide-induced ARDS/acute lung injury (ALI) rat model. Rats were injected with RCTR1 (5 μg/kg) via caudal veins 8 hours after lipopolysaccharide (LPS) (14 mg/kg) treatment, and then AFC was estimated after 1 hour of ventilation. Primary type II alveolar epithelial cells were incubated with LPS (1 ug/ml) with or without RCTR1 (10 nM) for 8 hours. Our results showed that RCTR1 significantly enhanced the survival rate, promoted the AFC, and alleviated LPS-induced ARDS/ALI in vivo. Furthermore, RCTR1 remarkably elevated the protein expression of sodium channels and Na, K-ATPase and the activity of Na, K-ATPase in vivo and in vitro. Additionally, RCTR1 also decreased neural precursor cell expressed developmentally downregulated 4-2 (Nedd4-2) level via upregulating Ser473-phosphorylated-Akt expression. Besides this, inhibitors of receptor for lipoxin A4 (ALX), cAMP, and phosphatidylinositol 3-kinase (PI3K) (BOC-2, KH-7, and LY294002) notably inhibited the effects of RCTR1 on AFC. In summary, RCTR1 enhances the protein levels of sodium channels and Na, K-ATPase and the Na, K-ATPase activity to improve AFC in ALI through ALX/cAMP/PI3K/Nedd4-2 pathway, suggesting that RCTR1 may become a therapeutic drug for ARDS/ALI. SIGNIFICANCE STATEMENT: RCTR1, an endogenous lipid mediator, enhanced the rate of AFC to accelerate the resolution of inflammation in the LPS-induced murine lung injury model. RCTR1 upregulates the expression of epithelial sodium channels (ENaCs) and Na, K-ATPase in vivo and in vitro to accelerate the AFC. The efficacy of RCTR1 on the ENaC and Na, K-ATPase level was in an ALX/cAMP/PI3K/Nedd4-2-dependent manner.
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Affiliation(s)
- Qian Yang
- Department of Anesthesia and Critical Care, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University (Q.Y., H.X., S.X., Y.Y., C.S., H.M., P.Z., H.Ma, S.Z. F.S., S.J., Q.W.), and Wenzhou Medical University (C.Z.), Zhejiang, China; and Institute of Inflammation and Aging, College of Medical and Dental Sciences, University of Birmingham, Birmingham, United Kingdom (F.S.)
| | - Hao-Ran Xu
- Department of Anesthesia and Critical Care, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University (Q.Y., H.X., S.X., Y.Y., C.S., H.M., P.Z., H.Ma, S.Z. F.S., S.J., Q.W.), and Wenzhou Medical University (C.Z.), Zhejiang, China; and Institute of Inflammation and Aging, College of Medical and Dental Sciences, University of Birmingham, Birmingham, United Kingdom (F.S.)
| | - Shu-Yang Xiang
- Department of Anesthesia and Critical Care, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University (Q.Y., H.X., S.X., Y.Y., C.S., H.M., P.Z., H.Ma, S.Z. F.S., S.J., Q.W.), and Wenzhou Medical University (C.Z.), Zhejiang, China; and Institute of Inflammation and Aging, College of Medical and Dental Sciences, University of Birmingham, Birmingham, United Kingdom (F.S.)
| | - Chen Zhang
- Department of Anesthesia and Critical Care, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University (Q.Y., H.X., S.X., Y.Y., C.S., H.M., P.Z., H.Ma, S.Z. F.S., S.J., Q.W.), and Wenzhou Medical University (C.Z.), Zhejiang, China; and Institute of Inflammation and Aging, College of Medical and Dental Sciences, University of Birmingham, Birmingham, United Kingdom (F.S.)
| | - Yang Ye
- Department of Anesthesia and Critical Care, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University (Q.Y., H.X., S.X., Y.Y., C.S., H.M., P.Z., H.Ma, S.Z. F.S., S.J., Q.W.), and Wenzhou Medical University (C.Z.), Zhejiang, China; and Institute of Inflammation and Aging, College of Medical and Dental Sciences, University of Birmingham, Birmingham, United Kingdom (F.S.)
| | - Chen-Xi Shen
- Department of Anesthesia and Critical Care, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University (Q.Y., H.X., S.X., Y.Y., C.S., H.M., P.Z., H.Ma, S.Z. F.S., S.J., Q.W.), and Wenzhou Medical University (C.Z.), Zhejiang, China; and Institute of Inflammation and Aging, College of Medical and Dental Sciences, University of Birmingham, Birmingham, United Kingdom (F.S.)
| | - Hong-Xia Mei
- Department of Anesthesia and Critical Care, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University (Q.Y., H.X., S.X., Y.Y., C.S., H.M., P.Z., H.Ma, S.Z. F.S., S.J., Q.W.), and Wenzhou Medical University (C.Z.), Zhejiang, China; and Institute of Inflammation and Aging, College of Medical and Dental Sciences, University of Birmingham, Birmingham, United Kingdom (F.S.)
| | - Pu-Hong Zhang
- Department of Anesthesia and Critical Care, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University (Q.Y., H.X., S.X., Y.Y., C.S., H.M., P.Z., H.Ma, S.Z. F.S., S.J., Q.W.), and Wenzhou Medical University (C.Z.), Zhejiang, China; and Institute of Inflammation and Aging, College of Medical and Dental Sciences, University of Birmingham, Birmingham, United Kingdom (F.S.)
| | - Hong-Yu Ma
- Department of Anesthesia and Critical Care, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University (Q.Y., H.X., S.X., Y.Y., C.S., H.M., P.Z., H.Ma, S.Z. F.S., S.J., Q.W.), and Wenzhou Medical University (C.Z.), Zhejiang, China; and Institute of Inflammation and Aging, College of Medical and Dental Sciences, University of Birmingham, Birmingham, United Kingdom (F.S.)
| | - Sheng-Xing Zheng
- Department of Anesthesia and Critical Care, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University (Q.Y., H.X., S.X., Y.Y., C.S., H.M., P.Z., H.Ma, S.Z. F.S., S.J., Q.W.), and Wenzhou Medical University (C.Z.), Zhejiang, China; and Institute of Inflammation and Aging, College of Medical and Dental Sciences, University of Birmingham, Birmingham, United Kingdom (F.S.)
| | - Fang-Gao Smith
- Department of Anesthesia and Critical Care, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University (Q.Y., H.X., S.X., Y.Y., C.S., H.M., P.Z., H.Ma, S.Z. F.S., S.J., Q.W.), and Wenzhou Medical University (C.Z.), Zhejiang, China; and Institute of Inflammation and Aging, College of Medical and Dental Sciences, University of Birmingham, Birmingham, United Kingdom (F.S.)
| | - Sheng-Wei Jin
- Department of Anesthesia and Critical Care, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University (Q.Y., H.X., S.X., Y.Y., C.S., H.M., P.Z., H.Ma, S.Z. F.S., S.J., Q.W.), and Wenzhou Medical University (C.Z.), Zhejiang, China; and Institute of Inflammation and Aging, College of Medical and Dental Sciences, University of Birmingham, Birmingham, United Kingdom (F.S.)
| | - Qian Wang
- Department of Anesthesia and Critical Care, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University (Q.Y., H.X., S.X., Y.Y., C.S., H.M., P.Z., H.Ma, S.Z. F.S., S.J., Q.W.), and Wenzhou Medical University (C.Z.), Zhejiang, China; and Institute of Inflammation and Aging, College of Medical and Dental Sciences, University of Birmingham, Birmingham, United Kingdom (F.S.)
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Guo L, He B, Fang P, Bo P, Zhang Z. Activation of central galanin receptor 2 mitigated insulin resistance in adipocytes of diabetic rats. J Endocrinol Invest 2021; 44:515-522. [PMID: 32588381 DOI: 10.1007/s40618-020-01336-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/06/2020] [Accepted: 06/12/2020] [Indexed: 12/11/2022]
Abstract
PURPOSE Our and other's studies showed that administration of neuropeptide galanin may mitigate insulin resistance via promoting glucose transporter 4 (GLUT4) expression and translocation in rats. The objective of this study is to investigate whether galanin receptor 2 (GAL2-R) in brain mediates the ameliorative effect of galanin on insulin resistance in adipose tissues of type 2 diabetic rats. METHODS In this study galanin, GAL2-R agonist M1145 and GAL2-R antagonist M871 were respectively or cooperatively injected into intracerebroventricles of type 2 diabetic rats once a day for successive fifteen days. Then the plasma and fat tissues of rats were used to estimate the alterations of insulin resistance indexes. RESULTS The central administration of galanin enhanced 2-deoxy-[3H]-D-glucose, peroxisome proliferator-activated receptor γ and adiponectin levels, food intake and body weight, GLUT4 mRNA expression and GLUT4 concentration in plasma membranes, as well as homeostasis model assessment-insulin resistance index. Those effects of galanin may be blocked by M817, and imitated by M1145 except for food intake and body weight. CONCLUSION Those results suggest that central GAL2-R mediates the beneficial effects of galanin on insulin sensitivity in type 2 diabetic rats. GAL2-R agonist may be taken as a potential antidiabetic agent to treat insulin resistance and type 2 diabetes.
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Affiliation(s)
- L Guo
- Department of Physical Education, Chuzhou College, Chuzhou, 239012, Anhui, China
| | - B He
- Department of Endocrinology, Clinical Medical College, Yangzhou University, Nantong Street #98, Yangzhou, 225001, China
| | - P Fang
- Department of Endocrinology, Clinical Medical College, Yangzhou University, Nantong Street #98, Yangzhou, 225001, China
| | - P Bo
- Department of Endocrinology, Clinical Medical College, Yangzhou University, Nantong Street #98, Yangzhou, 225001, China
| | - Z Zhang
- Department of Endocrinology, Clinical Medical College, Yangzhou University, Nantong Street #98, Yangzhou, 225001, China.
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