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Shi Y, Zhu N, Qiu Y, Tan J, Wang F, Qin L, Dai A. Resistin-like molecules: a marker, mediator and therapeutic target for multiple diseases. Cell Commun Signal 2023; 21:18. [PMID: 36691020 PMCID: PMC9869618 DOI: 10.1186/s12964-022-01032-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2022] [Accepted: 12/27/2022] [Indexed: 01/25/2023] Open
Abstract
Resistin-like molecules (RELMs) are highly cysteine-rich proteins, including RELMα, RELMβ, Resistin, and RELMγ. However, RELMs exhibit significant differences in structure, distribution, and function. The expression of RELMs is regulated by various signaling molecules, such as IL-4, IL-13, and their receptors. In addition, RELMs can mediate numerous signaling pathways, including HMGB1/RAGE, IL-4/IL-4Rα, PI3K/Akt/mTOR signaling pathways, and so on. RELMs proteins are involved in wide range of physiological and pathological processes, including inflammatory response, cell proliferation, glucose metabolism, barrier defense, etc., and participate in the progression of numerous diseases such as lung diseases, intestinal diseases, cardiovascular diseases, and cancers. Meanwhile, RELMs can serve as biomarkers, risk predictors, and therapeutic targets for these diseases. An in-depth understanding of the role of RELMs may provide novel targets or strategies for the treatment and prevention of related diseases. Video abstract.
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Affiliation(s)
- Yaning Shi
- Laboratory of Stem Cell Regulation with Chinese Medicine and its Application, Hunan University of Chinese Medicine, Changsha, 410208, Hunan, China
- Science and Technology Innovation Center, Hunan University of Chinese Medicine, Changsha, 410208, Hunan, China
| | - Neng Zhu
- Department of Urology, The First Hospital of Hunan University of Chinese Medicine, Changsha, 410021, Hunan, China
| | - Yun Qiu
- Laboratory of Stem Cell Regulation with Chinese Medicine and its Application, Hunan University of Chinese Medicine, Changsha, 410208, Hunan, China
| | - Junlan Tan
- Hunan Provincial Key Laboratory of Vascular Biology and Translational Medicine, Changsha, 410208, Hunan, China
| | - Feiying Wang
- Hunan Provincial Key Laboratory of Vascular Biology and Translational Medicine, Changsha, 410208, Hunan, China
| | - Li Qin
- Laboratory of Stem Cell Regulation with Chinese Medicine and its Application, Hunan University of Chinese Medicine, Changsha, 410208, Hunan, China.
- Hunan Provincial Key Laboratory of Vascular Biology and Translational Medicine, Changsha, 410208, Hunan, China.
| | - Aiguo Dai
- Hunan Provincial Key Laboratory of Vascular Biology and Translational Medicine, Changsha, 410208, Hunan, China.
- Department of Respiratory Diseases, Medical School, Hunan University of Chinese Medicine, Changsha, 410208, Hunan, China.
- Department of Respiratory Medicine, First Affiliated Hospital, Hunan University of Chinese Medicine, Changsha, 410021, Hunan, China.
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Lv M, Liu W. Hypoxia-Induced Mitogenic Factor: A Multifunctional Protein Involved in Health and Disease. Front Cell Dev Biol 2021; 9:691774. [PMID: 34336840 PMCID: PMC8319639 DOI: 10.3389/fcell.2021.691774] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2021] [Accepted: 06/23/2021] [Indexed: 11/13/2022] Open
Abstract
Hypoxia-induced mitogenic factor (HIMF), also known as resistin-like molecule α (RELMα) or found in inflammatory zone 1 (FIZZ1) is a member of the RELM protein family expressed in mice. It is involved in a plethora of physiological processes, including mitogenesis, angiogenesis, inflammation, and vasoconstriction. HIMF expression can be stimulated under pathological conditions and this plays a critical role in pulmonary, cardiovascular and metabolic disorders. The present review summarizes the molecular characteristics, and the physiological and pathological roles of HIMF in normal and diseased conditions. The potential clinical significance of these findings for human is also discussed.
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Affiliation(s)
- Moyang Lv
- Department of Gastroenterology, Xinqiao Hospital, Third Military Medical University, Chongqing, China
| | - Wenjuan Liu
- Department of Pathophysiology, Health Science Center, Shenzhen University, Shenzhen, China
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Abstract
Gallstone disease is one of the most common public health problems in the United States. Approximately 10%-20% of the national adult populations currently carry gallstones, and gallstone prevalence is rising. In addition, nearly 750,000 cholecystectomies are performed annually in the United States; direct and indirect costs of gallbladder surgery are estimated to be $6.5 billion. Cholelithiasis is also strongly associated with gallbladder, pancreatic, and colorectal cancer occurrence. Moreover, the National Institutes of Health estimates that almost 3,000 deaths (0.12% of all deaths) per year are attributed to complications of cholelithiasis and gallbladder disease. Although extensive research has tried to identify risk factors for cholelithiasis, several studies indicate that definitive findings still remain elusive. In this review, predisposing factors for cholelithiasis are identified, the pathophysiology of gallstone disease is described, and nonsurgical preventive options are discussed. Understanding the risk factors for cholelithiasis may not only be useful in assisting nurses to provide resources and education for patients who are diagnosed with gallstones, but also in developing novel preventive measures for the disease.
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Shea-Donohue T, Qin B, Smith A. Parasites, nutrition, immune responses and biology of metabolic tissues. Parasite Immunol 2017; 39. [PMID: 28235148 DOI: 10.1111/pim.12422] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2016] [Accepted: 02/21/2017] [Indexed: 02/06/2023]
Abstract
Nutritional immunology, immunometabolism and identification of novel immunotherapeutic targets are areas of active investigation in parasitology. There is a well-documented crosstalk among immune cells and cells in metabolically active tissues that is important for homeostasis. The numbers and function of these cells are altered by obesity leading to inflammation. A variety of helminths spend some part of their life cycle in the gastrointestinal tract and even entirely enteral nematode infections exert beneficial effects on glucose and lipid metabolism. The foundation of this review is the ability of enteric nematode infections to improve obesity-induced type 2 diabetes and the metabolic syndrome, which are significant health issues in developed areas. It considers the impact of nutrition and specific nutritional deficiencies, which are occur in both undeveloped and developed areas, on the host's ability mount a protective immune response against parasitic nematodes. There are a number of proposed mechanisms by which parasitic nematodes can impact metabolism including effects gastrointestinal hormones, altering epithelial function and changing the number and/or phenotype of immune cells in metabolic tissues. Nematodes can also exert their beneficial effects through Th2 cytokines that activate the transcription factor STAT6, which upregulates genes that regulate glucose and lipid metabolism.
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Affiliation(s)
- T Shea-Donohue
- Department of Radiation Oncology & Department of Medicine, University of Maryland School of Medicine, Baltimore, MD, USA
| | - B Qin
- Diet, Genomics, and Immunology Laboratory, Beltsville Human Nutrition Research Center, Agricultural Research Service, U.S. Department of Agriculture, Beltsville, MD, USA
| | - A Smith
- Diet, Genomics, and Immunology Laboratory, Beltsville Human Nutrition Research Center, Agricultural Research Service, U.S. Department of Agriculture, Beltsville, MD, USA
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Colak Y, Bozbey G, Erim T, Caklili OT, Ulasoglu C, Senates E, Mutlu HH, Mesci B, Doğan MS, Tasan G, Enc FY, Tuncer I. Impaired Gallbladder Motility and Increased Gallbladder Wall Thickness in Patients with Nonalcoholic Fatty Liver Disease. J Neurogastroenterol Motil 2016; 22:470-6. [PMID: 26932908 PMCID: PMC4930302 DOI: 10.5056/jnm15159] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/06/2015] [Revised: 11/22/2015] [Accepted: 01/29/2016] [Indexed: 01/10/2023] Open
Abstract
BACKGROUND/AIMS Nonalcoholic fatty liver disease (NAFLD) is currently the most common chronic liver disease worldwide. Along with the increase in the incidence of NAFLD and associated obesity, an increase in gallbladder disease (GD) has been noted. This has led to the identification of a new disease entity called fatty GD. There is a gap in the literature on the dynamics of gallbladder function in patients with NAFLD. METHODS An observational case-control study, a total of 50 patients with biopsy proven NAFLD without gallbladder stone/sludge and 38 healthy comparison subjects were enrolled. Fasting, postprandial gallbladder volumes (PGV), gallbladder ejection fraction (GEF), and fasting gallbladder wall thickness (FGWT) were measured by real-time 2-dimensional ultrasonography. RESULTS Fasting gallbladder wall thickness, fasting gallbladder volumes and PGV were significantly higher in patients with NAFLD than control subjects (P < 0.001, P = 0.006, and P < 0.001, respectively). Gallbladder ejection fraction was significantly lower in the NAFLD group than the controls (P = 0.008). The presence of NAFLD was an independent predictor for GEF, PGV, and FGWT. Also, steatosis grade was an independent predictor for GEF, and GEF was significantly lower in the nonalcoholic steatohepatitis (NASH) subgroup than the controls. CONCLUSIONS Gallbladder dysfunction and increase in gallbladder wall thickness exists in asymptomatic (without stone/sludge and related symptoms) patients with NAFLD and are useful in identifying fatty GD. Measurement of these variables in NAFLD patients may be useful in identifying those at higher risk for GD.
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Affiliation(s)
- Yasar Colak
- Department of Gastroenterology, Istanbul Medeniyet University, School of Medicine, Istanbul, Turkey.,Department of Gastroenterology, Cleveland Clinic Florida, Weston, FL, USA
| | - Gulcin Bozbey
- Department of Radiology, Istanbul Medeniyet University, School of Medicine, Istanbul, Turkey
| | - Tolga Erim
- Department of Gastroenterology, Cleveland Clinic Florida, Weston, FL, USA
| | - Ozge Telci Caklili
- Department of Internal Medicine, Istanbul Medeniyet University, School of Medicine, Istanbul, Turkey
| | - Celal Ulasoglu
- Department of Gastroenterology, Istanbul Medeniyet University, School of Medicine, Istanbul, Turkey
| | - Ebubekir Senates
- Department of Gastroenterology, Istanbul Medeniyet University, School of Medicine, Istanbul, Turkey
| | - Hasan Huseyin Mutlu
- Department of Family of Medicine, Istanbul Medeniyet University, School of Medicine, Istanbul, Turkey
| | - Banu Mesci
- Department of Internal Medicine, Istanbul Medeniyet University, School of Medicine, Istanbul, Turkey
| | - Mehmet Sait Doğan
- Department of Radiology, Erciyes University, School of Medicine, Kayseri, Turkey
| | - Guralp Tasan
- Department of Gastroenterology, Istanbul Medeniyet University, School of Medicine, Istanbul, Turkey
| | - Feruze Yilmaz Enc
- Department of Gastroenterology, Istanbul Medeniyet University, School of Medicine, Istanbul, Turkey
| | - Ilyas Tuncer
- Department of Gastroenterology, Istanbul Medeniyet University, School of Medicine, Istanbul, Turkey
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A short review of adipokines, smooth muscle and uterine contractility. Life Sci 2015; 125:2-8. [PMID: 25711427 DOI: 10.1016/j.lfs.2015.02.001] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2015] [Accepted: 02/02/2015] [Indexed: 12/11/2022]
Abstract
Obesity is a major health problem worldwide. The prevalence of obesity is increasing in both developed and developing countries. In the UK, for example, 60% of adults are overweight and 25% are obese. Obesity is associated with many pathological complications including respiratory, cardiovascular and endocrine, but it also affects fertility and is associated with many reproductive complications. This has led us and others to investigate links between women with high BMI, pregnancy outcome and uterine function. These studies in turn have led investigators to ask how obesity can have such an impact on reproduction and, as part of this, to consider the role of the adipokines released from adipose tissues. Our focus in this short review is on adipokines and myometrial activity, and for completeness we overview their effects on other smooth muscles. To date four adipokines (leptin, visfatin, apelin and ghrelin) have been investigated and all affect myometrial contractility, but some more potently than others. We consider the possible mechanisms involved in how adipokines may modify uterine contractility, and discuss the potential impact on labor and delivery.
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Jeong SU, Lee SK. [Obesity and gallbladder diseases]. THE KOREAN JOURNAL OF GASTROENTEROLOGY 2012; 59:27-34. [PMID: 22289951 DOI: 10.4166/kjg.2012.59.1.27] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Obesity is an important health problem in the world and related to many critical diseases, such as diabetes, cardiovascular disease, and metabolic syndrome. Obesity leads to fat infiltration of multiple organs and infiltrated adipose tissue produces many cytokines resulting in the dysfunction of organs such as the gallbladder. In the biliary diseases, obesity and overweight have been known as a major risk factor for gallstones. According to current studies, obesity, insulin resistance, hyperinsulinemia, and metabolic syndrome are related to various gallbladder diseases including gallbladder stones, cholecystitis, gallbladder polyps, and gallbladder cancers. We reviewed further literature on the obesity and gallbladder diseases, in aspects of epidemiology, mechanism, pathology and prevention.
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Affiliation(s)
- Seung Uk Jeong
- Department of Internal Medicine, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Korea
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Abstract
Obesity has become an epidemic worldwide. It is accompanied by a multitude of medical complications including metabolic syndrome. Obesity may lead to fatty infiltration of multiple internal organs including liver, heart, kidney, and pancreas, causing organ dysfunctions. Fatty infiltration leads to chronic inflammation and tissue damage. Fatty infiltration in the liver results in nonalcoholic fatty liver disease, which is increasingly common nowadays. Recent studies in animals and humans indicate that obesity also is associated with fatty infiltration of gallbladder, resulting in cholecystosteatosis. The increased gallbladder lipids include free fatty acids, phospholipids, and triglycerides. Enhanced inflammation with an increased amount of fat in the gallbladder results in an abnormal wall structure and decreased contractility. In support of this notion, a recent experiment on the effect of Ezetimibe, which is a novel drug that inhibits intestinal fat absorption, on fatty gallbladder disease reveals that Ezetimibe can ameliorate cholecystosteatosis and restore in vivo gallbladder contractility. The proportion of cholecystectomies performed for chronic acalculous cholecystitis has increased significantly over the past two decades. An increase in gallbladder fat, which leads to poor gallbladder emptying and biliary symptoms, may partly explain this phenomenon. Although dietary carbohydrates have been demonstrated to be associated with fatty gallbladder disease, other potential modifiable environmental factors are not clear. The pathogenesis and prognosis of fatty gallbladder disease, including steatocholecystitis, and the relations of fatty gallbladder disease to nonalcoholic fatty liver disease, including steatohepatitis, and other components of metabolic syndrome are largely unknown. More research is needed to answer these questions.
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Munitz A, Seidu L, Cole ET, Ahrens R, Hogan SP, Rothenberg ME. Resistin-like molecule alpha decreases glucose tolerance during intestinal inflammation. THE JOURNAL OF IMMUNOLOGY 2009; 182:2357-63. [PMID: 19201890 DOI: 10.4049/jimmunol.0803130] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Resistin-like molecule alpha (Relm-alpha) is a secreted cysteine-rich protein belonging to a newly defined family of proteins, including resistin, Relm-beta, and Relm-gamma. Resistin was initially defined based on its insulin resistance activity, but the family members are highly up-regulated in various inflammatory states, especially those involving intestinal inflammation. In this study, we report the role of Relm-alpha at baseline and following an experimental model of colitis. Relm-alpha was readily detected in the serum at baseline (4-5 ng/ml), and its level was regulated by energy uptake. Retnla(-/-) mice had decreased baseline circulating leptin levels, but displayed normal glucose, glucose clearance, and insulin levels. Following exposure to the oral innate trigger dextran sodium sulfate (DSS), a nonredundant proinflammatory role for Relm-alpha was uncovered as Retnla(-/-) mice were markedly protected from DSS-induced disease activity and histopathological features. Relm-alpha regulated eosinophil-directed cytokines (e.g., IL-5, CCL11/eotaxin-1, and CCL5/RANTES) and IL-17 ex vivo. Consistently, DSS-treated Retnla(-/-) mice displayed substantially decreased eosinophil accumulation and decreased phosphorylation of NF-kappaB, ERK1/2, and p38 in macrophages and eosinophils. Following DSS exposure, serum level of Relm-alpha was up-regulated, and DSS-treated Retnla(-/-) mice were markedly protected from hyperglycemia induced by glucose injection independent of changes in insulin levels. Retnla(-/-) mice were protected from increases in gut hormone serum levels of gastric inhibitory polypeptide and peptide YY that were induced following DSS treatment. These findings demonstrate a central proinflammatory role for Relm-alpha in the regulation of colonic inflammation and a novel link between colonic injury, glucose tolerance, and energy intake.
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Affiliation(s)
- Ariel Munitz
- Division of Allergy and Immunology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA
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Tsai CJ, Leitzmann MF, Willett WC, Giovannucci EL. Macronutrients and insulin resistance in cholesterol gallstone disease. Am J Gastroenterol 2008; 103:2932-9. [PMID: 18853969 DOI: 10.1111/j.1572-0241.2008.02189.x] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Cholelithiasis is a major source of digestive morbidity worldwide. Cholesterol stones account for the majority of gallstones in the United States and other Western countries. The pathogenesis of cholesterol gallstone disease is multifactorial with key factors including cholesterol supersaturation of bile, altered biliary motility, and nucleation and growth of cholesterol crystals. Increasing evidence suggests that many, but not all, causative factors of cholesterol gallstones are related to insulin resistance which, in association with obesity, has reached an epidemic level worldwide. Experimental studies show that hyperinsulinemia, a key feature of insulin resistance, may cause increased hepatic cholesterol secretion and cholesterol supersaturation of bile and gallbladder dysmotility, and thereby may enhance gallstone formation. Insulin resistance syndrome can be modified by environmental factors, including dietary factors. The impact of diet on insulin sensitivity is mediated by both dietary composition and its energy content. The contribution of specific dietary elements to the prevalence and incidence of cholesterol gallstone disease has been explored in animal and human studies. There is considerable evidence to suggest that different types of fatty acids, independent of the total amount of fat consumption, affect insulin sensitivity and cholesterol gallstone disease differently. The effects of salt intake, consumption of protein and carbohydrates, and alcohol drinking on insulin resistance are controversial. Additional intervention trials and controlled experimental feeding studies are needed to further clarify these relationships and to provide useful prophylactic and therapeutic strategies.
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Affiliation(s)
- Chung-Jyi Tsai
- Division of Digestive Diseases and Nutrition, University of Kentucky Medical Center, Lexington, Kentucky 40536-0298, USA
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Zyromski NJ, Mathur A, Pitt HA, Lu D, Gripe JT, Walker JJ, Yancey K, Wade TE, Swartz-Basile DA. A murine model of obesity implicates the adipokine milieu in the pathogenesis of severe acute pancreatitis. Am J Physiol Gastrointest Liver Physiol 2008; 295:G552-8. [PMID: 18583460 DOI: 10.1152/ajpgi.90278.2008] [Citation(s) in RCA: 47] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Obesity is clearly an independent risk factor for increased severity of acute pancreatitis (AP), although the mechanisms underlying this association are unknown. Adipokines (including leptin and adiponectin) are pleiotropic molecules produced by adipocytes that are important regulators of the inflammatory response. We hypothesized that the altered adipokine milieu observed in obesity contributes to the increased severity of pancreatitis. Lean (C57BL/6J), obese leptin-deficient (LepOb), and obese hyperleptinemic (LepDb) mice were subjected to AP by six hourly intraperitoneal injections of cerulein (50 microg/kg). Severity of AP was assessed by histology and by measuring pancreatic concentration of the proinflammatory cytokines IL-1beta and IL-6, the chemokine MCP-1, and the marker of neutrophil activation MPO. Both congenitally obese strains of mice developed significantly more severe AP than wild-type lean animals. Severity of AP was not solely related to adipose tissue volume: LepOb mice were heaviest; however, LepDb mice developed the most severe AP both histologically and biochemically. Circulating adiponectin concentrations inversely mirrored the severity of pancreatitis. These data demonstrate that congenitally obese mice develop more severe AP than lean animals when challenged by cerulein hyperstimulation and suggest that alteration of the adipokine milieu exacerbates the severity of AP in obesity.
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Affiliation(s)
- Nicholas J Zyromski
- Department of Surgery, Indiana University School of Medicine, 535 Barnhill Dr., RT 130, Indianapolis, IN 46202, USA.
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