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Tian Y, Huang Q, Ren YT, Jiang X, Jiang B. Visceral adipose tissue predicts severity and prognosis of acute pancreatitis in obese patients. Hepatobiliary Pancreat Dis Int 2024; 23:458-462. [PMID: 37648552 DOI: 10.1016/j.hbpd.2023.08.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/24/2022] [Accepted: 08/21/2023] [Indexed: 09/01/2023]
Abstract
Acute pancreatitis is a common systemic inflammatory disease, manifested by a spectrum of severity, ranging from mild in the majority of patients to severe acute pancreatitis. Patients with severe acute pancreatitis suffer from severe local and systemic complications and organ failure, leading to a poor prognosis. The early recognition of the severe condition is important to improve prognosis. Obesity has risen in tandem with an increase in the severity of acute pancreatitis in recent years. Studies have revealed that adipose tissue, particularly visceral adipose tissue is associated with the prognosis of acute pancreatitis. This review discussed the role of visceral adipose tissue in obese patients with acute pancreatitis and explored the possible mechanism involved.
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Affiliation(s)
- Yuan Tian
- Department of Gastroenterology, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing 102218, China
| | - Qing Huang
- Department of Gastroenterology, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing 102218, China
| | - Yu-Tang Ren
- Department of Gastroenterology, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing 102218, China
| | - Xuan Jiang
- Department of Gastroenterology, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing 102218, China
| | - Bo Jiang
- Department of Gastroenterology, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing 102218, China.
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2
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Rafaqat S, Radoman-Vujačić I, Patoulias D, Khurshid H, Klisić A. Adipokines and their role in acute pancreatitis. J Med Biochem 2024; 43:512-527. [PMID: 39139157 PMCID: PMC11318933 DOI: 10.5937/jomb0-47515] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Accepted: 12/22/2023] [Indexed: 08/15/2024] Open
Abstract
Acute pancreatitis (AP) is characterized by an inflammatory response that leads to edema and haemorrhaging of pancreatic tissue. In severe cases, it can even result in the necrosis of pancreatic tissue following activation within the pancreas. Adipokines are biologically active molecules released by adipose tissue that have a wide-ranging impact on health and disease. Adipokines are cytokines produced not only in white adipose tissue but also in the fat surrounding the pancreas, and they play a role in the body's inflammatory response. The presence of increased adipose tissue, often associated with obesity, has been linked to a heightened systemic inflammatory response in cases of AP. According to the literature, there are many adipokines. This article summarizes the role of adipokines in AP. Adipokines could be promising biomarkers for both diagnostic and new therapeutic treatment strategies in AP. However, a deeper knowledge of the signaling pathways of adipokines and their potential therapeutic role in AP is necessary.
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Affiliation(s)
- Saira Rafaqat
- Lahore College for Women University, Department of Zoology, Lahore, Punjab, Pakistan
| | - Irena Radoman-Vujačić
- University of Montenegro, Faculty of Medicine, Clinical Center of Montenegro, Department of Internal Medicine, Podgorica, Montenegro
| | - Dimitrios Patoulias
- Aristotle University of Thessaloniki, General Hospital "Hippokration", Second Department of Cardiology, Outpatient Department of Cardiometabolic Medicine, Thessaloniki, Greece
| | - Huma Khurshid
- University of Montenegro, Faculty of Medicine, Podgorica, Montenegro
| | - Aleksandra Klisić
- Primary Health Care Center, Center for Laboratory Diagnostics, Podgorica, Montenegro
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3
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Tu X, Liu Q, Chen L, Li J, Yu X, Jiao X, Wang N, Hu L, Yuan Y, Gong W, Ding Y, Shi X, Xiao W, Lu G. Number of recurrences is significantly associated with the post-acute pancreatitis diabetes mellitus in a population with hypertriglyceridemic acute pancreatitis. Lipids Health Dis 2023; 22:82. [PMID: 37386421 DOI: 10.1186/s12944-023-01840-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2023] [Accepted: 05/31/2023] [Indexed: 07/01/2023] Open
Abstract
BACKGROUND Twenty-three percent of patients are diagnosed with diabetes mellitus after the first episode of acute pancreatitis. The incidence of post-acute pancreatitis diabetes mellitus is significantly higher than that of type 1 diabetes mellitus. Some studies have concluded that the all-cause mortality and worse prognosis of diabetes after pancreatitis are higher. We predicted that number of recurrences of pancreatitis would be significantly associated with the incidences of metabolic syndrome, abdominal obesity, and post-acute pancreatitis diabetes mellitus. METHODS Patients admitted to our hospital for hypertriglyceridemic acute pancreatitis from 2013-2021 were selected for a cross-sectional study. Statistical analysis methods were used to analyze the effect of recurrences on the long-term prognosis of patients with hypertriglyceridemic acute pancreatitis. RESULTS In this study, 101 patients with hypertriglyceridemic acute pancreatitis were included: 60 (59.41%) in the recurrent acute pancreatitis group and 41 (40.59%) in the only one episode of acute pancreatitis group. Among all hypertriglyceridemic acute pancreatitis patients, approximately 61.4% were diagnosed with abdominal obesity, 33.7% of patients are diagnosed with metabolic syndrome, 34.7% of patients are diagnosed with diabetes mellitus, and 21.8% of patients are diagnosed with post-acute pancreatitis diabetes mellitus. Recurrent acute pancreatitis were independent risk factors for post-acute pancreatitis diabetes mellitus in patients with hypertriglyceridemic acute pancreatitis (odds ratio [OR] = 3.964, 95% confidence interval [CI] = 1.230-12.774) and the risk of post-acute pancreatitis diabetes mellitus in patients with three or more recurrent episodes was 6.607 times higher than that in patients without recurrent episodes (OR = 6.607, 95% CI = 1.412-30.916). CONCLUSIONS Recurrence is an independent risk factor for the development of post-acute pancreatitis diabetes mellitus and is significantly associated with the number of recurrences.
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Affiliation(s)
- Xiamin Tu
- Pancreatic Center of Gastroenterology, Affiliated Hospital of Yangzhou University, No.368, Hanjiang Middle Road, Yangzhou, 225100, Jiangsu Province, China
- Yangzhou Key Laboratory of Pancreas in Jiangsu Province, Yangzhou, 225000, Jiangsu, China
| | - Qingxie Liu
- Pancreatic Center of Gastroenterology, Affiliated Hospital of Yangzhou University, No.368, Hanjiang Middle Road, Yangzhou, 225100, Jiangsu Province, China
- Yangzhou Key Laboratory of Pancreas in Jiangsu Province, Yangzhou, 225000, Jiangsu, China
| | - Lin Chen
- Pancreatic Center of Gastroenterology, Affiliated Hospital of Yangzhou University, No.368, Hanjiang Middle Road, Yangzhou, 225100, Jiangsu Province, China
- Yangzhou Key Laboratory of Pancreas in Jiangsu Province, Yangzhou, 225000, Jiangsu, China
| | - Jie Li
- Pancreatic Center of Gastroenterology, Affiliated Hospital of Yangzhou University, No.368, Hanjiang Middle Road, Yangzhou, 225100, Jiangsu Province, China
- Yangzhou Key Laboratory of Pancreas in Jiangsu Province, Yangzhou, 225000, Jiangsu, China
| | - Xiaoping Yu
- Health Management Centre, Yangzhou University Affiliated Hospital, Yangzhou, 225000, Jiangsu, China
| | - Xiuping Jiao
- Health Management Centre, Yangzhou University Affiliated Hospital, Yangzhou, 225000, Jiangsu, China
| | - Ningzhi Wang
- Pancreatic Center of Gastroenterology, Affiliated Hospital of Yangzhou University, No.368, Hanjiang Middle Road, Yangzhou, 225100, Jiangsu Province, China
- Yangzhou Key Laboratory of Pancreas in Jiangsu Province, Yangzhou, 225000, Jiangsu, China
| | - Lianghao Hu
- Department of Gastroenterology, Changhai Hospital of the Second Military Medical University, Shanghai, 200433, China
| | - Yuan Yuan
- Department of Nursing, Yangzhou University Affiliated Hospital, Yangzhou, 225000, Jiangsu, China
| | - Weijuan Gong
- College of Medicine, Yangzhou University, Yangzhou, 225000, Jiangsu, China
| | - Yanbing Ding
- Pancreatic Center of Gastroenterology, Affiliated Hospital of Yangzhou University, No.368, Hanjiang Middle Road, Yangzhou, 225100, Jiangsu Province, China
- Yangzhou Key Laboratory of Pancreas in Jiangsu Province, Yangzhou, 225000, Jiangsu, China
| | - Xiaolei Shi
- Pancreatic Center of Gastroenterology, Affiliated Hospital of Yangzhou University, No.368, Hanjiang Middle Road, Yangzhou, 225100, Jiangsu Province, China.
- Yangzhou Key Laboratory of Pancreas in Jiangsu Province, Yangzhou, 225000, Jiangsu, China.
| | - Weiming Xiao
- Pancreatic Center of Gastroenterology, Affiliated Hospital of Yangzhou University, No.368, Hanjiang Middle Road, Yangzhou, 225100, Jiangsu Province, China.
- Yangzhou Key Laboratory of Pancreas in Jiangsu Province, Yangzhou, 225000, Jiangsu, China.
| | - Guotao Lu
- Pancreatic Center of Gastroenterology, Affiliated Hospital of Yangzhou University, No.368, Hanjiang Middle Road, Yangzhou, 225100, Jiangsu Province, China.
- Yangzhou Key Laboratory of Pancreas in Jiangsu Province, Yangzhou, 225000, Jiangsu, China.
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Baek J, Robert-Nicoud G, Herrera Hidalgo C, Borg ML, Iqbal MN, Berlin R, Lindgren M, Waara E, Uddén A, Pietiläinen K, Bengtsson T. Engineered mesoporous silica reduces long-term blood glucose, HbA1c, and improves metabolic parameters in prediabetics. Nanomedicine (Lond) 2021; 17:9-22. [PMID: 34854740 DOI: 10.2217/nnm-2021-0235] [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] [Indexed: 11/21/2022] Open
Abstract
Aim: To investigate the effect of oral consumption of engineered mesoporous silica particles, SiPore15®, on long-term blood glucose levels and other metabolic parameters in individuals with prediabetes and newly diagnosed Type 2 diabetes. Method: An open-label, single-arm, multicenter trial was conducted in which SiPore15 was consumed three times daily for 12 weeks. Hemoglobin A1c (HbA1c, primary end point) and an array of metabolic parameters were measured at baseline and throughout the trial. Result: SiPore15 treatment significantly reduced HbA1c by a clinically meaningful degree and improved several disease-associated parameters with minimal side effects. Conclusion: The results from this study demonstrate the potential use of SiPore15 as a treatment for prediabetes that may also delay or prevent the onset of Type 2 diabetes.
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Affiliation(s)
- Jeanha Baek
- Sigrid Therapeutics AB, Norrtullsgatan 6, Stockholm, SE-113 29, Sweden
| | | | | | - Melissa L Borg
- Sigrid Therapeutics AB, Norrtullsgatan 6, Stockholm, SE-113 29, Sweden
| | - Muhammad N Iqbal
- Sigrid Therapeutics AB, Norrtullsgatan 6, Stockholm, SE-113 29, Sweden.,Department of Materials and Environmental Chemistry, Stockholm University, Stockholm, SE-106 91, Sweden
| | - Roger Berlin
- 1.618 Consulting LLC, Philadelphia, PA 19107, USA
| | - Maria Lindgren
- Sigrid Therapeutics AB, Norrtullsgatan 6, Stockholm, SE-113 29, Sweden
| | - Erik Waara
- Sigrid Therapeutics AB, Norrtullsgatan 6, Stockholm, SE-113 29, Sweden
| | - Anna Uddén
- Sigrid Therapeutics AB, Norrtullsgatan 6, Stockholm, SE-113 29, Sweden
| | - Kirsi Pietiläinen
- Obesity Research Unit, Research Program for Clinical and Molecular Metabolism, Faculty of Medicine, University of Helsinki, Helsinki, 00014, Finland.,Obesity Center, Abdominal Center, Helsinki University Hospital and University of Helsinki, Helsinki, 00014, Finland
| | - Tore Bengtsson
- Department of Molecular Biosciences, The Wenner-Gren Institute, Stockholm University, Stockholm, SE-106 91, Sweden
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5
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Yi Y, Sun X, Liang B, He N, Gibson-Corley KN, Norris AW, Engelhardt JF, Uc A. Acute pancreatitis-induced islet dysfunction in ferrets. Pancreatology 2021; 21:839-847. [PMID: 33994067 PMCID: PMC8355067 DOI: 10.1016/j.pan.2021.04.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/13/2021] [Revised: 04/22/2021] [Accepted: 04/24/2021] [Indexed: 12/11/2022]
Abstract
BACKGROUND /Objectives: The pathogenesis of hyperglycemia during acute pancreatitis (AP) remains unknown due to inaccessibility of human tissues and lack of animal models. We aimed to develop an animal model to study the mechanisms of hyperglycemia and impaired glucose tolerance in AP. METHODS We injected ferrets with intraperitoneal cerulein (50 μg/kg, 9 hourly injections) or saline. Blood samples were collected for glucose (0, 4, 8, 12, 24h); TNF-α, IL-6 (6h); amylase, lipase, insulin, glucagon, pancreatic polypeptide (PP), glucagon-like peptide-1 (GLP-1), and gastric inhibitory polypeptide (GIP) (24h). Animals underwent oral glucose tolerance test (OGTT), mixed meal tolerance test (MMTT) at 24h or 3 months, followed by harvesting pancreas for histopathology and immunostaining. RESULTS Cerulein-injected ferrets exhibited mild pancreatic edema, neutrophil infiltration, and elevations in serum amylase, lipase, TNF-α, IL-6, consistent with AP. Plasma glucose was significantly higher in ferrets with AP at all time points. Plasma glucagon, GLP-1 and PP were significantly higher in cerulein-injected animals, while plasma insulin was significantly lower compared to controls. OGTT and MMTT showed abnormal glycemic responses with higher area under the curve. The hypoglycemic response to insulin injection was completely lost, suggestive of insulin resistance. OGTT showed low plasma insulin; MMTT confirmed low insulin and GIP; abnormal OGTT and MMTT responses returned to normal 3 months after cerulein injection. CONCLUSIONS Acute cerulein injection causes mild acute pancreatitis in ferrets and hyperglycemia related to transient islet cell dysfunction and insulin resistance. The ferret cerulein model may contribute to the understanding of hyperglycemia in acute pancreatitis.
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Affiliation(s)
- Yaling Yi
- Department of Anatomy and Cell Biology, Iowa City, IA, USA
| | - Xingshen Sun
- Department of Anatomy and Cell Biology, Iowa City, IA, USA
| | - Bo Liang
- Department of Anatomy and Cell Biology, Iowa City, IA, USA
| | - Nan He
- Department of Anatomy and Cell Biology, Iowa City, IA, USA
| | - Katherine N Gibson-Corley
- Department of Pathology, Microbiology and Immunology, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Andrew W Norris
- Fraternal Order of Eagles Diabetes Research Center, Iowa City, IA, USA; Department of Pediatrics, lowa City, IA, USA; Department of Biochemistry, Iowa City, IA, USA
| | - John F Engelhardt
- Department of Anatomy and Cell Biology, Iowa City, IA, USA; Fraternal Order of Eagles Diabetes Research Center, Iowa City, IA, USA
| | - Aliye Uc
- Fraternal Order of Eagles Diabetes Research Center, Iowa City, IA, USA; Department of Pediatrics, lowa City, IA, USA; Department of Radiation Oncology; University of Iowa, Iowa City, IA, USA.
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Ko J, Skudder-Hill L, Tarrant C, Kimita W, Bharmal SH, Petrov MS. Intra-pancreatic fat deposition as a modifier of the relationship between habitual dietary fat intake and insulin resistance. Clin Nutr 2021; 40:4730-4737. [PMID: 34237700 DOI: 10.1016/j.clnu.2021.06.017] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2021] [Revised: 06/01/2021] [Accepted: 06/12/2021] [Indexed: 12/19/2022]
Abstract
BACKGROUND Insulin resistance is a well-known derangement after an attack of pancreatitis but the role of dietary fat intake and intra-pancreatic fat deposition (IPFD) in it is unknown. We aimed to investigate the relationship of dietary fat intake with markers of insulin resistance in individuals after acute pancreatitis, taking into account IPFD. METHODS This was a cross-sectional study. The EPIC-Norfolk food frequency questionnaire was used to determine the habitual intake of saturated, monounsaturated, polyunsaturated fatty acids. The studied markers of insulin resistance were fasting insulin, HOMA-IR, and METS-IR. 3 T magnetic resonance imaging was used to quantify IPFD. Linear regression analysis, with adjustment for possible confounders, was performed. RESULTS A total of 111 individuals after acute pancreatitis (33 low IPFD, 40 moderate IPFD, and 38 high IPFD) were included. In the high IPFD group, intake of monounsaturated fatty acids was inversely associated with both fasting insulin, and HOMA-IR, and METS-IR in the unadjusted (β = -65.405, p < 0.001; β = -15.762, p < 0.001; β = -0.760, p = 0.041, respectively) and fully adjusted models (β = -155.620, p < 0.001; β = -34.656, p < 0.001, β = -2.008, p = 0.018, respectively). Intake of polyunsaturated or saturated fatty acids did not have a consistently significant pattern of associations with the three markers of insulin resistance. None of the above associations was significant in the low IPFD and moderate IPFD groups. CONCLUSIONS Habitual dietary fat intake is associated with insulin resistance only in individuals after an attack of pancreatitis who have high IPFD. These indviduals may benefit from a calorically balanced diet that is rich in monounsaturated fatty acids.
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Affiliation(s)
- Juyeon Ko
- School of Medicine, University of Auckland, Auckland, New Zealand
| | | | - Conor Tarrant
- School of Medicine, University of Auckland, Auckland, New Zealand
| | - Wandia Kimita
- School of Medicine, University of Auckland, Auckland, New Zealand
| | - Sakina H Bharmal
- School of Medicine, University of Auckland, Auckland, New Zealand
| | - Maxim S Petrov
- School of Medicine, University of Auckland, Auckland, New Zealand.
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Review: Vaspin (SERPINA12) Expression and Function in Endocrine Cells. Cells 2021; 10:cells10071710. [PMID: 34359881 PMCID: PMC8307435 DOI: 10.3390/cells10071710] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Revised: 06/22/2021] [Accepted: 06/30/2021] [Indexed: 01/31/2023] Open
Abstract
Proper functioning of the body depends on hormonal homeostasis. White adipose tissue is now known as an endocrine organ due to the secretion of multiple molecules called adipokines. These proteins exert direct effects on whole body functions, including lipid metabolism, angiogenesis, inflammation, and reproduction, whereas changes in their level are linked with pathological events, such as infertility, diabetes, and increased food intake. Vaspin-visceral adipose tissue-derived serine protease inhibitor, or SERPINA12 according to serpin nomenclature, is an adipokine discovered in 2005 that is connected to the development of insulin resistance, obesity, and inflammation. A significantly higher amount of vaspin was observed in obese patients. The objective of this review was to summarize the latest findings about vaspin expression and action in endocrine tissues, such as the hypothalamus, pituitary gland, adipose tissue, thyroid, ovary, placenta, and testis, as well as discuss the link between vaspin and pathologies connected with hormonal imbalance.
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8
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Abdominal fat distribution modulates the metabolic effects of exogenous ketones in individuals with new-onset prediabetes after acute pancreatitis: Results from a randomized placebo-controlled trial. Clin Nutr ESPEN 2021; 43:117-129. [DOI: 10.1016/j.clnesp.2021.03.013] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2021] [Accepted: 03/08/2021] [Indexed: 12/13/2022]
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9
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Ko J, Kimita W, Skudder-Hill L, Li X, Priya S, Bharmal SH, Cho J, Petrov MS. Dietary carbohydrate intake and insulin traits in individuals after acute pancreatitis: Effect modification by intra-pancreatic fat deposition. Pancreatology 2021; 21:353-362. [PMID: 33563551 DOI: 10.1016/j.pan.2021.01.018] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/14/2020] [Revised: 01/12/2021] [Accepted: 01/25/2021] [Indexed: 02/06/2023]
Abstract
OBJECTIVES Current knowledge of the link between dietary carbohydrate intake and insulin regulation in individuals after an attack of pancreatitis is limited. We aimed to investigate the associations between dietary carbohydrate intake and insulin traits in post-pancreatitis versus healthy individuals, taking into account intrapancreatic fat deposition (IPFD). METHODS All participants underwent magnetic resonance imaging (using the same protocol and 3T scanner) to quantify IPFD. Dietary carbohydrate intake was assessed using a validated 131-item food frequency questionnaire. Insulin, HOMA-IR, HOMA-β were determined in the fasted state. Linear regression and effect modification analyses were conducted in unadjusted and adjusted models (accounting for age, sex, body mass index, daily energy intake, use of anti-diabetic medications, and recurrence of acute pancreatitis). RESULTS The study included 111 post-pancreatitis individuals (categorized into low IPFD (n = 33), moderate IPFD (n = 40), high IPFD (n = 38)) and 47 healthy controls. In the high IPFD group, starch intake was negatively associated with fasting insulin and HOMA-β in both the unadjusted (p < 0.001 both) and fully adjusted models (p < 0.001 both); and with HOMA-IR in the fully adjusted model (p < 0.001) only. Total sugar intake was positively associated with fasting insulin (p = 0.015) and HOMA-β (p = 0.007) in the fully adjusted model but not associated with HOMA-IR. None of the above associations was statistically significant in the low IPFD, moderate IPFD, and healthy controls groups. The studied associations were more pronounced in the high IPFD group but not in the moderate IPFD or low IPFD groups (when compared with the healthy controls group). CONCLUSIONS Dietary carbohydrate intake is differentially associated with insulin traits in individuals after an attack of pancreatitis and the associations are modified by IPFD. These findings will be helpful for the development of dietary guidelines specifically for individuals after an attack of pancreatitis.
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Affiliation(s)
- Juyeon Ko
- School of Medicine, University of Auckland, Auckland, New Zealand
| | - Wandia Kimita
- School of Medicine, University of Auckland, Auckland, New Zealand
| | | | - Xinye Li
- School of Medicine, University of Auckland, Auckland, New Zealand
| | - Sunitha Priya
- School of Medicine, University of Auckland, Auckland, New Zealand
| | - Sakina H Bharmal
- School of Medicine, University of Auckland, Auckland, New Zealand
| | - Jaelim Cho
- School of Medicine, University of Auckland, Auckland, New Zealand
| | - Maxim S Petrov
- School of Medicine, University of Auckland, Auckland, New Zealand.
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10
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Gál E, Dolenšek J, Stožer A, Czakó L, Ébert A, Venglovecz V. Mechanisms of Post-Pancreatitis Diabetes Mellitus and Cystic Fibrosis-Related Diabetes: A Review of Preclinical Studies. Front Endocrinol (Lausanne) 2021; 12:715043. [PMID: 34566890 PMCID: PMC8461102 DOI: 10.3389/fendo.2021.715043] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/26/2021] [Accepted: 08/19/2021] [Indexed: 12/12/2022] Open
Abstract
Anatomical proximity and functional correlations between the exocrine and endocrine pancreas warrant reciprocal effects between the two parts. Inflammatory diseases of the exocrine pancreas, such as acute or chronic pancreatitis, or the presence of cystic fibrosis disrupt endocrine function, resulting in diabetes of the exocrine pancreas. Although novel mechanisms are being increasingly identified, the intra- and intercellular pathways regulating exocrine-endocrine interactions are still not fully understood, making the development of new and more effective therapies difficult. Therefore, this review sought to accumulate current knowledge regarding the pathogenesis of diabetes in acute and chronic pancreatitis, as well as cystic fibrosis.
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Affiliation(s)
- Eleonóra Gál
- Department of Pharmacology and Pharmacotherapy, University of Szeged, Szeged, Hungary
| | - Jurij Dolenšek
- Faculty of Medicine, University of Maribor, Maribor, Slovenia
- Faculty of Natural Sciences and Mathematics, University of Maribor, Maribor, Slovenia
| | - Andraž Stožer
- Faculty of Medicine, University of Maribor, Maribor, Slovenia
| | - László Czakó
- First Department of Medicine, University of Szeged, Szeged, Hungary
| | - Attila Ébert
- Department of Pharmacology and Pharmacotherapy, University of Szeged, Szeged, Hungary
| | - Viktória Venglovecz
- Department of Pharmacology and Pharmacotherapy, University of Szeged, Szeged, Hungary
- *Correspondence: Viktória Venglovecz,
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11
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Bharmal SH, Pendharkar SA, Singh RG, Cameron-Smith D, Petrov MS. Associations between ketone bodies and fasting plasma glucose in individuals with post-pancreatitis prediabetes. Arch Physiol Biochem 2020; 126:308-319. [PMID: 30451544 DOI: 10.1080/13813455.2018.1534242] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Context: Levels of ketone bodies are altered in both acute pancreatitis and type 1 and type 2 diabetes. However, the role of ketone bodies in the pathogenesis of abnormal glucose metabolism after pancreatitis is largely unknown.Objective: To investigate the associations between ketone bodies and glucose homeostasis in individuals with post-pancreatitis prediabetes (PPP) versus normoglycaemia after pancreatitis (NAP).Methods: Fasting blood samples were analysed for acetoacetate, β-hydroxybutyrate, and markers of glucose metabolism at a median of 26 months after acute pancreatitis. A series of linear regression analyses were conducted adjusting for patient- and pancreatitis-related characteristics.Results: The study included 27 individuals with PPP and 52 with NAP. β-hydroxybutyrate was significantly associated with fasting plasma glucose (p = .002) and explained 26.2% of its variance in PPP, but not in NAP (p = .814; 0%). Acetoacetate was not significantly associated with fasting plasma glucose in both PPP (p = .681) or NAP (p = .661).Conclusions: An inverse association between β-hydroxybutyrate and fasting plasma glucose characterises PPP and this may have translational implications.
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Affiliation(s)
- Sakina H Bharmal
- School of Medicine, University of Auckland, Auckland, New Zealand
| | | | - Ruma G Singh
- School of Medicine, University of Auckland, Auckland, New Zealand
| | | | - Maxim S Petrov
- School of Medicine, University of Auckland, Auckland, New Zealand
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12
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Ko J, Skudder-Hill L, Cho J, Bharmal SH, Petrov MS. The Relationship between Abdominal Fat Phenotypes and Insulin Resistance in Non-Obese Individuals after Acute Pancreatitis. Nutrients 2020; 12:nu12092883. [PMID: 32967240 PMCID: PMC7551376 DOI: 10.3390/nu12092883] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Revised: 09/15/2020] [Accepted: 09/17/2020] [Indexed: 12/14/2022] Open
Abstract
Both type 2 prediabetes/diabetes (T2DM) and new-onset prediabetes/diabetes after acute pancreatitis (NODAP) are characterized by impaired tissue sensitivity to insulin action. Although the outcomes of NODAP and T2DM are different, it is unknown whether drivers of insulin resistance are different in the two types of diabetes. This study aimed to investigate the associations between abdominal fat phenotypes and indices of insulin sensitivity in non-obese individuals with NODAP, T2DM, and healthy controls. Indices of insulin sensitivity (homeostasis model assessment of insulin sensitivity (HOMA-IS), Raynaud index, triglyceride and glucose (TyG) index, Matsuda index) were calculated in fasting and postprandial states. Fat phenotypes (intra-pancreatic fat, intra-hepatic fat, skeletal muscle fat, visceral fat, and subcutaneous fat) were determined using magnetic resonance imaging and spectroscopy. Linear regression and relative importance analyses were conducted. Age, sex, and glycated hemoglobin A1c were adjusted for. A total of 78 non-obese individuals (26 NODAP, 20 T2DM, and 32 healthy controls) were included. Intra-pancreatic fat was significantly associated with all the indices of insulin sensitivity in the NODAP group, consistently in both the unadjusted and adjusted models. Intra-pancreatic fat was not significantly associated with any index of insulin sensitivity in the T2DM and healthy controls groups. The variance in HOMA-IS was explained the most by intra-pancreatic fat (R2 = 29%) in the NODAP group and by visceral fat (R2 = 21%) in the T2DM group. The variance in the Raynaud index was explained the most by intra-pancreatic fat (R2 = 18%) in the NODAP group and by visceral fat (R2 = 15%) in the T2DM group. The variance in the TyG index was explained the most by visceral fat in both the NODAP group (R2 = 49%) and in the T2DM group (R2 = 25%). The variance in the Matsuda index was explained the most by intra-pancreatic fat (R2 = 48%) in the NODAP group and by visceral fat (R2 = 38%) in the T2DM group. The differing association between intra-pancreatic fat and insulin resistance can be used to differentiate NODAP from T2DM. Insulin resistance in NODAP appears to be predominantly driven by increased intra-pancreatic fat deposition.
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Abstract
PURPOSE OF REVIEW To provide an overview of mediators involved in the pathogenesis of postacute pancreatitis diabetes mellitus. RECENT FINDINGS The 'holistic prevention of pancreatitis' framework has brought to the fore the sequelae of not only end-stage chronic pancreatitis and extensive pancreatic necrosis but also mild acute pancreatitis. Insights from the DORADO project have provided a wealth of information on the signalling molecules that do and do not affect glucose metabolism in individuals after mild acute pancreatitis and have challenged conventional views of the pathogenesis of postpancreatitis diabetes mellitus. SUMMARY Growing evidence compels a reconsideration of the dogma that mechanical β-cell destruction (and the resulting insulin deficiency) is the only underlying mechanism of postpancreatitis diabetes mellitus. Chronic low-grade inflammation, β-cell compensation, lipolysis, altered secretion of gut hormones, and changes in iron metabolism characterize postacute pancreatitis diabetes mellitus. Some of these are druggable targets that offer novel opportunities to reduce the burden of pancreatitis through tertiary prevention.
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Bharmal SH, Cho J, Alarcon Ramos GC, Ko J, Stuart CE, Modesto AE, Singh RG, Petrov MS. Trajectories of glycaemia following acute pancreatitis: a prospective longitudinal cohort study with 24 months follow-up. J Gastroenterol 2020; 55:775-788. [PMID: 32494905 DOI: 10.1007/s00535-020-01682-y] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/16/2020] [Accepted: 03/19/2020] [Indexed: 02/07/2023]
Abstract
BACKGROUND New-onset diabetes is the most common sequela of acute pancreatitis (AP). Yet, prospective changes in glycaemia over time have never been investigated comprehensively in this study population. The primary aim was to determine the cumulative incidence of new-onset prediabetes and new-onset diabetes after AP over 24 months of follow-up in a prospective cohort study. The secondary aim was to identify trajectories of glycaemia during follow-up and their predictors at the time of hospitalisation. METHODS Patients with a prospective diagnosis of AP and no diabetes based on the American Diabetes Association criteria were followed up every 6 months up to 24 months after hospital discharge. Incidence of new-onset prediabetes/diabetes over each follow-up period was calculated. Group-based trajectory modelling was used to identify common changes in glycaemia. Multinomial regression analyses were conducted to investigate the associations between a wide array of routinely available demographic, anthropometric, laboratory, imaging, and clinical factors and membership in the trajectory groups. RESULTS A total of 152 patients without diabetes were followed up. The cumulative incidence of new-onset prediabetes and diabetes was 20% at 6 months after hospitalisation and 43% over 24 months of follow-up (p trend < 0.001). Three discrete trajectories of glycaemia were identified: normal-stable glycaemia (32%), moderate-stable glycaemia (60%), and high-increasing glycaemia (8%). Waist circumference was a significant predictor of moderate-stable glycaemia. None of the studied predictors were significantly associated with high-increasing glycaemia. CONCLUSIONS This first prospective cohort study of changes in glycaemia (determined at structured time points in unselected AP patients) showed that at least one out of five patients develops new-onset prediabetes or diabetes at 6 months of follow-up and more than four out of ten-in the first 2 years. Changes in glycaemia after AP follow three discrete trajectories. This may inform prevention or early detection of critical changes in blood glucose metabolism following an attack of AP and, hence, reduce the burden of new-onset diabetes after acute pancreatitis.
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Affiliation(s)
- Sakina Huseni Bharmal
- School of Medicine, University of Auckland, Room 12.085 A, Level 12, Auckland City Hospital, Auckland, 1142, New Zealand
| | - Jaelim Cho
- School of Medicine, University of Auckland, Room 12.085 A, Level 12, Auckland City Hospital, Auckland, 1142, New Zealand
| | | | - Juyeon Ko
- School of Medicine, University of Auckland, Room 12.085 A, Level 12, Auckland City Hospital, Auckland, 1142, New Zealand
| | - Charlotte Elizabeth Stuart
- School of Medicine, University of Auckland, Room 12.085 A, Level 12, Auckland City Hospital, Auckland, 1142, New Zealand
| | - Andre Eto Modesto
- School of Medicine, University of Auckland, Room 12.085 A, Level 12, Auckland City Hospital, Auckland, 1142, New Zealand
| | - Ruma Girish Singh
- School of Medicine, University of Auckland, Room 12.085 A, Level 12, Auckland City Hospital, Auckland, 1142, New Zealand
| | - Maxim Sergey Petrov
- School of Medicine, University of Auckland, Room 12.085 A, Level 12, Auckland City Hospital, Auckland, 1142, New Zealand.
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15
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Reduced Skeletal Muscle Volume and Increased Skeletal Muscle Fat Deposition Characterize Diabetes in Individuals after Pancreatitis: A Magnetic Resonance Imaging Study. Diseases 2020; 8:diseases8030025. [PMID: 32630360 PMCID: PMC7565190 DOI: 10.3390/diseases8030025] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Revised: 06/19/2020] [Accepted: 06/30/2020] [Indexed: 12/12/2022] Open
Abstract
Background: Skeletal muscle has been implicated in the pathogenesis of type 2 diabetes but it has never been investigated in diabetes after pancreatitis. The aim was to investigate the relationship between psoas muscle volume (PMV) and diabetes in individuals after pancreatitis, as well as its associations with ectopic fat phenotypes and insulin traits. Methods: Individuals after an attack of pancreatitis and healthy individuals were studied in a cross-sectional fashion. All participants underwent magnetic resonance imaging, based on which PMV, skeletal muscle fat deposition (SMFD), as well as liver and intra-pancreatic fat depositions were derived. Fasting and postprandial blood samples were collected to calculate indices of insulin sensitivity and secretion. Linear regression analyses were conducted, adjusting for possible confounders (age, sex, body composition, comorbidities, use of insulin, and others). Results: A total of 153 participants were studied. PMV was significantly decreased in the diabetes group compared with healthy controls (β = −30.0, p = 0.034 in the most adjusted model). SMFD was significantly inversely associated with PMV (β = −3.1, p < 0.001 in the most adjusted model). The Matsuda index of insulin sensitivity was significantly directly associated with PMV (β = 1.6, p = 0.010 in the most adjusted model). Conclusions: Diabetes in individuals after pancreatitis is characterized by reduced PMV. Reduced PMV is associated with increased SMFD and decreased insulin sensitivity in individuals after pancreatitis.
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Shi XL, Yang Q, Pu N, Li XY, Chen WW, Zhou J, Li G, Tong ZH, Férec C, Cooper DN, Chen JM, Li WQ. Identification and functional characterization of a novel heterozygous missense variant in the LPL associated with recurrent hypertriglyceridemia-induced acute pancreatitis in pregnancy. Mol Genet Genomic Med 2020; 8:e1048. [PMID: 31962008 PMCID: PMC7057096 DOI: 10.1002/mgg3.1048] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2019] [Revised: 10/18/2019] [Accepted: 10/23/2019] [Indexed: 01/25/2023] Open
Abstract
Background Acute pancreatitis in pregnancy (APIP) is a life‐threatening disease for both mother and fetus. To date, only three patients with recurrent hypertriglyceridemia‐induced APIP (HTG‐APIP) have been reported to carry rare variants in the lipoprotein lipase (LPL) gene, which encodes the key enzyme responsible for triglyceride (TG) metabolism. Coincidently, all three patients harbored LPL variants on both alleles and presented with complete or severe LPL deficiency. Methods The entire coding regions and splice junctions of LPL and four other TG metabolism genes (APOC2, APOA5, GPIHBP1, and LMF1) were analyzed by Sanger sequencing in a Han Chinese patient who had experienced two episodes of HTG‐APIP. The impact of a novel LPL missense variant on LPL protein expression and activity was analyzed by transient expression in HEK293T cells. Results A novel heterozygous LPL missense variant, p.His210Leu (c.629A > T), was identified in our patient. This variant did not affect protein synthesis but significantly impaired LPL secretion and completely abolished the enzymatic activity of the mutant protein. Conclusion This report describes the first identification and functional characterization of a heterozygous variant in the LPL that predisposed to recurrent HTG‐APIP. Our findings confirm a major genetic contribution to the etiology of individual predisposition to HTG‐APIP.
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Affiliation(s)
- Xiao-Lei Shi
- Surgical Intensive Care Unit (SICU), Department of General Surgery, Jinling Hospital, Medical School of Nanjing University, Nanjing, China
| | - Qi Yang
- Surgical Intensive Care Unit (SICU), Department of General Surgery, Jinling Hospital, Medical School of Nanjing University, Nanjing, China
| | - Na Pu
- Surgical Intensive Care Unit (SICU), Department of General Surgery, Jinling Hospital, Medical School of Nanjing University, Nanjing, China
| | - Xiao-Yao Li
- Surgical Intensive Care Unit (SICU), Department of General Surgery, Jinling Hospital, Medical School of Nanjing University, Nanjing, China
| | - Wei-Wei Chen
- Surgical Intensive Care Unit (SICU), Department of General Surgery, Jinling Hospital, Medical School of Nanjing University, Nanjing, China.,Department of Gastroenterology, Clinical Medical College, Yangzhou University, Yangzhou, China
| | - Jing Zhou
- Surgical Intensive Care Unit (SICU), Department of General Surgery, Jinling Hospital, Medical School of Nanjing University, Nanjing, China
| | - Gang Li
- Surgical Intensive Care Unit (SICU), Department of General Surgery, Jinling Hospital, Medical School of Nanjing University, Nanjing, China
| | - Zhi-Hui Tong
- Surgical Intensive Care Unit (SICU), Department of General Surgery, Jinling Hospital, Medical School of Nanjing University, Nanjing, China
| | - Claude Férec
- Inserm, EFS, Univ Brest, UMR 1078, GGB, Brest, France.,Service de Génétique, CHU Brest, Brest, France
| | - David N Cooper
- Institute of Medical Genetics, School of Medicine, Cardiff University, Cardiff, UK
| | - Jian-Min Chen
- Inserm, EFS, Univ Brest, UMR 1078, GGB, Brest, France
| | - Wei-Qin Li
- Surgical Intensive Care Unit (SICU), Department of General Surgery, Jinling Hospital, Medical School of Nanjing University, Nanjing, China
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Ma BQ, Wang LF, Wu WY, Xing YJ. Serum glycoprotein 2 as a biomarker of severity of acute pancreatitis. Shijie Huaren Xiaohua Zazhi 2019; 27:1271-1277. [DOI: 10.11569/wcjd.v27.i20.1271] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Acute pancreatitis (AP) is a main cause of acute abdominal pain. Although the pathophysiology of AP is not fully understood, it is now widely acknowledged that the activation of enzymes in zymogen granules (ZGs) plays an important role in the progression of AP. In AP animal models, the up-regulation of serum ZG glycoprotein 2 (GP2) can be used as a potential biological marker for AP.
AIM To investigate whether serum GP2 can be used as an early biomarker of AP severity.
METHODS In a prospective single-center cohort study, plasma samples and baseline clinical data were collected from 9 healthy subjects and 59 patients with AP within 24 h of onset. Serum GP2 levels were detected by enzyme-linked immunosorbent assay, and their correlation with the severity of AP was analyzed.
RESULTS Of the 59 AP patients, 30 had mild AP, 16 had moderate AP, and 13 had severe AP. Serum GP2 levels were significantly increased in AP patients and positively correlated with AP severity. Using 2.3 ng/mL as the cut-off point, the sensitivity and specificity of serum GP2 to distinguish moderate AP were 96.6% and 90.0%, respectively, and the positive and negative predictive values were 90.3% and 96.4%, respectively. Using 5.1 ng/mL as the cut-off point, the sensitivity, specificity, positive predictive value, and negative predictive value to distinguish severe AP were all 100%. Serum GP2 was found to be a better prognostic marker than bedside index for severity in acute pancreatitis score, hematocrit, admission or persistent systemic inflammatory response score, and C-reactive protein.
CONCLUSION Serum GP2 increases in AP patients, and it positively correlates with the severity of AP, suggesting its potential to predict the severity of AP.
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Affiliation(s)
- Bai-Qiang Ma
- Department of Trauma, Acute Abdomen and Hernia Surgery, Lishui City People's Hospital, Lishui 323000, Zhejiang Province, China
| | - Li-Fu Wang
- Department of Trauma, Acute Abdomen and Hernia Surgery, Lishui City People's Hospital, Lishui 323000, Zhejiang Province, China
| | - Wen-Yuan Wu
- Department of Trauma, Acute Abdomen and Hernia Surgery, Lishui City People's Hospital, Lishui 323000, Zhejiang Province, China
| | - Yong-Jun Xing
- Department of Trauma, Acute Abdomen and Hernia Surgery, Lishui City People's Hospital, Lishui 323000, Zhejiang Province, China
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18
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Cho J, Scragg R, Pandol SJ, Goodarzi MO, Petrov MS. Antidiabetic Medications and Mortality Risk in Individuals With Pancreatic Cancer-Related Diabetes and Postpancreatitis Diabetes: A Nationwide Cohort Study. Diabetes Care 2019; 42:1675-1683. [PMID: 31227582 PMCID: PMC6702602 DOI: 10.2337/dc19-0145] [Citation(s) in RCA: 51] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/21/2019] [Accepted: 05/31/2019] [Indexed: 02/06/2023]
Abstract
OBJECTIVE There are no specific treatment guidelines for diabetes of the exocrine pancreas. High-quality studies are warranted to investigate whether the use of antidiabetic medications has survival benefit in individuals with diabetes of the exocrine pancreas. The objective was to determine the risk of mortality associated with the use of antidiabetic medications in individuals with pancreatic cancer-related diabetes (PCRD) and postpancreatitis diabetes mellitus (PPDM). RESEARCH DESIGN AND METHODS Nationwide pharmaceutical dispensing data (2006-2015) linked to hospital discharge data were used to identify 1,862 individuals with PCRD or PPDM. Multivariable Cox regression analysis was conducted, and the risk was expressed as hazard ratios and 95% CIs. A 6-month lag was used to minimize reverse causality. RESULTS In individuals with PCRD, ever users of metformin (adjusted hazard ratio 0.54; 95% CI 0.46-0.63) and ever users of insulin (adjusted hazard ratio 0.46; 95% CI 0.39-0.55) had significantly lower risks of mortality compared with never users of antidiabetic medications. These associations attenuated toward the null with the use of a 6-month lag. In individuals with PPDM, ever users of metformin had a significantly lower risk of mortality (adjusted hazard ratio 0.51; 95% CI 0.36-0.70), whereas ever-users of insulin did not have a significantly changed risk of mortality (adjusted hazard ratio 0.75; 95% CI 0.49-1.14) compared with never users of antidiabetic medications. The former association remained significant with the use of a 6-month lag. CONCLUSIONS Metformin promotes a survival benefit in individuals with PPDM but not PCRD. Reverse causality may play a role in the association between insulin use and mortality in PCRD.
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Affiliation(s)
- Jaelim Cho
- School of Medicine, University of Auckland, Auckland, New Zealand
| | - Robert Scragg
- School of Population Health, University of Auckland, Auckland, New Zealand
| | - Stephen J Pandol
- Division of Gastroenterology, Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, CA
| | - Mark O Goodarzi
- Division of Endocrinology, Diabetes, and Metabolism, Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, CA
| | - Maxim S Petrov
- School of Medicine, University of Auckland, Auckland, New Zealand
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19
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Singh RG, Nguyen NN, Cervantes A, Cho J, Petrov MS. Serum lipid profile as a biomarker of intra-pancreatic fat deposition: A nested cross-sectional study. Nutr Metab Cardiovasc Dis 2019; 29:956-964. [PMID: 31353204 DOI: 10.1016/j.numecd.2019.06.003] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/28/2018] [Revised: 06/07/2019] [Accepted: 06/08/2019] [Indexed: 02/07/2023]
Abstract
BACKGROUND AND AIMS The relationship between intra-pancreatic fat deposition (IPFD) and lipid profile has been investigated in individuals with obesity and/or type 2 diabetes, but not in healthy non-obese individuals and those after acute pancreatitis. The aim of the study was to investigate the association between serum lipid profile and IPFD in the latter individuals and to determine the effect of abdominal fat distribution and other covariates. METHODS AND RESULTS A total of 90 individuals with a history of acute pancreatitis as well as 23 healthy non-obese individuals participated in the study. Magnetic resonance imaging was used to quantify IPFD and visceral-to-subcutaneous fat volume ratio, followed by fasting state measurement of high-density lipoprotein cholesterol (HDL-C), low-density lipoprotein cholesterol (LDL-C), total cholesterol (TC), TC/HDL-C ratio, and triglycerides. In healthy non-obese individuals, IPFD was not significantly associated with any of the studied markers. In individuals after acute pancreatitis, IPFD was significantly associated with triglycerides in both unadjusted (β = 0.360; 95% CI, 0.090-0.629; p = 0.009) and adjusted models, with a β-coefficient of 0.280 [(95% CI, 0.016-0.545); p = 0.038] in the most adjusted model. Also, IPFD was significantly associated with TC/HDL-C ratio in both unadjusted (β = 0.336; 95% CI, 0.045-0.626; p = 0.024) and adjusted models, with a β-coefficient of 0.375 [(95% CI, 0.090-0.660); p = 0.010] in the most adjusted model. Multiple regression yielded triglycerides, but not TC/HDL-C ratio, as a significant marker of IPFD in individuals after acute pancreatitis. CONCLUSIONS Serum lipid profile is not associated with IPFD in healthy non-obese. Triglycerides, but not other components of lipid profile, is a promising biomarker for IPFD in individuals following acute pancreatitis.
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Affiliation(s)
- Ruma G Singh
- School of Medicine, University of Auckland, Auckland, New Zealand
| | - Ngoc N Nguyen
- School of Medicine, University of Auckland, Auckland, New Zealand
| | - Aya Cervantes
- School of Medicine, University of Auckland, Auckland, New Zealand
| | - Jaelim Cho
- School of Medicine, University of Auckland, Auckland, New Zealand
| | - Maxim S Petrov
- School of Medicine, University of Auckland, Auckland, New Zealand.
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Singh RG, Nguyen NN, Cervantes A, Alarcon Ramos GC, Cho J, Petrov MS. Associations between intra-pancreatic fat deposition and circulating levels of cytokines. Cytokine 2019; 120:107-114. [DOI: 10.1016/j.cyto.2019.04.011] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2018] [Revised: 03/29/2019] [Accepted: 04/18/2019] [Indexed: 12/12/2022]
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Silva-Vaz P, Abrantes AM, Castelo-Branco M, Gouveia A, Botelho MF, Tralhão JG. Murine Models of Acute Pancreatitis: A Critical Appraisal of Clinical Relevance. Int J Mol Sci 2019; 20:E2794. [PMID: 31181644 PMCID: PMC6600324 DOI: 10.3390/ijms20112794] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2019] [Revised: 06/04/2019] [Accepted: 06/05/2019] [Indexed: 12/15/2022] Open
Abstract
Acute pancreatitis (AP) is a severe disease associated with high morbidity and mortality. Clinical studies can provide some data concerning the etiology, pathophysiology, and outcomes of this disease. However, the study of early events and new targeted therapies cannot be performed on humans due to ethical reasons. Experimental murine models can be used in the understanding of the pancreatic inflammation, because they are able to closely mimic the main features of human AP, namely their histologic glandular changes and distant organ failure. These models continue to be important research tools for the reproduction of the etiological, environmental, and genetic factors associated with the pathogenesis of this inflammatory pathology and the exploration of novel therapeutic options. This review provides an overview of several murine models of AP. Furthermore, special focus is made on the most frequently carried out models, the protocols used, and their advantages and limitations. Finally, examples are provided of the use of these models to improve knowledge of the mechanisms involved in the pathogenesis, identify new biomarkers of severity, and develop new targeted therapies.
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Affiliation(s)
- Pedro Silva-Vaz
- Health Sciences Research Centre, University of Beira Interior (CICS-UBI), 6200-506 Covilhã, Portugal.
- General Surgery Department, Unidade Local de Saúde de Castelo Branco, 6000-085 Castelo Branco, Portugal.
- Faculty of Health Sciences, University of Beira Interior, 6200-506 Covilhã, Portugal.
| | - Ana Margarida Abrantes
- Coimbra Institute for Clinical and Biomedical Research (iCBR) area of Environment Genetics and Oncobiology (CIMAGO), Faculty of Medicine, University of Coimbra, 3000-548 Coimbra, Portugal.
- Faculty of Medicine, University of Coimbra, 3000-548 Coimbra, Portugal.
- Biophysics and Biomathematics Institute, IBILI-Faculty of Medicine of University of Coimbra, 3000-548 Coimbra, Portugal.
| | - Miguel Castelo-Branco
- Health Sciences Research Centre, University of Beira Interior (CICS-UBI), 6200-506 Covilhã, Portugal.
- Faculty of Health Sciences, University of Beira Interior, 6200-506 Covilhã, Portugal.
| | - António Gouveia
- General Surgery Department, Unidade Local de Saúde de Castelo Branco, 6000-085 Castelo Branco, Portugal.
- Faculty of Health Sciences, University of Beira Interior, 6200-506 Covilhã, Portugal.
| | - Maria Filomena Botelho
- Coimbra Institute for Clinical and Biomedical Research (iCBR) area of Environment Genetics and Oncobiology (CIMAGO), Faculty of Medicine, University of Coimbra, 3000-548 Coimbra, Portugal.
- Faculty of Medicine, University of Coimbra, 3000-548 Coimbra, Portugal.
- Biophysics and Biomathematics Institute, IBILI-Faculty of Medicine of University of Coimbra, 3000-548 Coimbra, Portugal.
| | - José Guilherme Tralhão
- Coimbra Institute for Clinical and Biomedical Research (iCBR) area of Environment Genetics and Oncobiology (CIMAGO), Faculty of Medicine, University of Coimbra, 3000-548 Coimbra, Portugal.
- Faculty of Medicine, University of Coimbra, 3000-548 Coimbra, Portugal.
- Biophysics and Biomathematics Institute, IBILI-Faculty of Medicine of University of Coimbra, 3000-548 Coimbra, Portugal.
- Surgery Department, Centro Hospitalar e Universitário de Coimbra, 3000-075 Coimbra, Portugal.
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Singh RG, Cervantes A, Kim JU, Nguyen NN, DeSouza SV, Dokpuang D, Lu J, Petrov MS. Intrapancreatic fat deposition and visceral fat volume are associated with the presence of diabetes after acute pancreatitis. Am J Physiol Gastrointest Liver Physiol 2019; 316:G806-G815. [PMID: 30920289 DOI: 10.1152/ajpgi.00385.2018] [Citation(s) in RCA: 48] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
Ectopic fat and abdominal adiposity phenotypes have never been studied holistically in individuals after acute pancreatitis (AP). The aim of the study was to investigate phenotypical differences in ectopic fat and abdominal fat between individuals after AP (with and without diabetes) and to determine the role of pancreatitis-related factors. Eighty-four individuals were studied cross-sectionally after a median of 21.5 mo since last episode of AP and were categorized into "diabetes" and "no diabetes" groups. Twenty-eight healthy volunteers were also recruited. With the use of magnetic resonance imaging, intrapancreatic fat percentage, liver fat percentage, visceral fat volume (VFV), subcutaneous fat volume, and visceral-to-subcutaneous (V/S) fat volume ratio were quantified. Analysis of variance was used to investigate the differences in these phenotypes between the groups. All analyses were adjusted for age and sex. Linear regression analysis was used to investigate the association between pancreatitis-related factors and the studied phenotypes. Intrapancreatic fat percentage was significantly higher in the diabetes group (10.2 ± 1.2%) compared with the no diabetes (9.2 ± 1.7%) and healthy volunteers (7.9 ± 1.9%) groups (P < 0.001). VFV was significantly higher in the diabetes (2,715.3 ±1,077.6 cm3) compared with no diabetes (1,983.2 ± 1,092.4 cm3) and healthy volunteer (1,126.2 ± 740.4 cm3) groups (P < 0.001). V/S fat volume ratio was significantly higher in the diabetes (0.97 ± 0.27) compared with no diabetes (0.68 ± 0.42) and healthy volunteer (0.52 ± 0.34) groups (P = 0.001). Biliary AP was associated with significantly higher intrapancreatic fat percentage (β = 0.67; 95% CI, 0.01, 1.33; P = 0.047). C-reactive protein levels during hospitalization for AP were associated with significantly higher VFV (β = 3.32; 95% CI, 1.68, 4.96; P < 0.001). In conclusion, individuals with diabetes after AP have higher intrapancreatic fat percentage, VFV, and V/S fat volume ratio. Levels of C-reactive protein during AP are significantly associated with VFV, whereas biliary AP is significantly associated with intrapancreatic fat percentage. NEW & NOTEWORTHY Individuals with diabetes after acute pancreatitis have significantly higher intrapancreatic fat percentage and visceral fat volume compared with individuals without diabetes after acute pancreatitis and healthy controls. C-reactive protein levels during hospitalization for acute pancreatitis and biliary etiology of acute pancreatitis are associated with significantly larger visceral fat and pancreatic fat depots, respectively.
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Affiliation(s)
- Ruma G Singh
- School of Medicine, University of Auckland , Auckland , New Zealand
| | - Aya Cervantes
- School of Medicine, University of Auckland , Auckland , New Zealand
| | - Jin Uk Kim
- School of Medicine, University of Auckland , Auckland , New Zealand
| | - Ngoc Nhu Nguyen
- School of Medicine, University of Auckland , Auckland , New Zealand
| | - Steve V DeSouza
- School of Medicine, University of Auckland , Auckland , New Zealand
| | - Dech Dokpuang
- School of Science and School of Interprofessional Health Studies, Auckland University of Technology , Auckland , New Zealand
| | - Jun Lu
- School of Science and School of Interprofessional Health Studies, Auckland University of Technology , Auckland , New Zealand
| | - Maxim S Petrov
- School of Medicine, University of Auckland , Auckland , New Zealand
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Abstract
OBJECTIVES Persistent hyperglycemia is a common sequela of acute pancreatitis (AP). The role of counter-regulatory hormones in maintaining glucose homeostasis has been largely studied during the course of AP, but not after clinical resolution of the disease. The objectives of this study were to investigate the associations between circulating levels of glucagon, cortisol, and human growth hormone and glucose homeostasis after AP as well as their associations with a comprehensive panel of pancreatic hormones, gut peptides, and proinflammatory cytokines. METHODS Participants with no history of pre-existing prediabetes or diabetes were categorized into hyperglycemia and normoglycemia after AP groups. Binary logistic regression and linear regression analyses were conducted. RESULTS Eighty-three individuals were included, of whom 19 had hyperglycemia. Glucagon, cortisol, and human growth hormone did not differ significantly between the groups. Glucagon explained up to 86% of the variance in glucagon-like peptide 1, whereas cortisol explained up to 89% of the variance in interleukin 6 in hyperglycemia after AP. CONCLUSIONS Counter-regulatory hormones do not appear to play a direct role in the mechanisms underlying hyperglycemia after AP. However, significant associations between glucagon and glucagon-like peptide 1, as well as between cortisol and interleukin 6, suggest that that these hormones may be involved indirectly in the pathophysiology of hyperglycemia after AP.
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DeSouza SV, Priya S, Cho J, Singh RG, Petrov MS. Pancreas shrinkage following recurrent acute pancreatitis: an MRI study. Eur Radiol 2019; 29:3746-3756. [DOI: 10.1007/s00330-019-06126-7] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2018] [Revised: 02/10/2019] [Accepted: 02/25/2019] [Indexed: 12/27/2022]
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Chand SK, Pendharkar SA, Bharmal SH, Bartlett AS, Pandol SJ, Petrov MS. Frequency and risk factors for liver disease following pancreatitis: A population-based cohort study. Dig Liver Dis 2019; 51:551-558. [PMID: 30522894 PMCID: PMC6785026 DOI: 10.1016/j.dld.2018.11.001] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/12/2018] [Revised: 10/17/2018] [Accepted: 11/04/2018] [Indexed: 12/11/2022]
Abstract
BACKGROUND & AIMS Both liver disease (LD) and pancreatitis pose substantial burdens. There have been no general population-based studies on frequency of LD after an episode of pancreatitis. The aim of this study was to investigate the occurrence of LD in a population-based cohort of patients following pancreatitis. METHODS Nationwide data on the general population of nearly 3 million people were used to identify retrospectively diagnoses of acute pancreatitis, chronic pancreatitis (CP), LD and cirrhosis from 1998 to 2016. Acute pancreatitis was categorised as first (FAP) or recurrent (RAP) episode. Number of pancreatitis recurrences prior to LD diagnosis was determined. RESULTS A total of 20,931 pancreatitis patients were included, of which 874 developed LD following pancreatitis. The incidence of LD in FAP was 115.59 (95% confidence interval 102.19-128.98), in RAP - 217.63 (95% confidence interval 173.31-261.94), and in CP - 539.43 (95% confidence interval 494.72-584.13) patients per 100,000 pancreatitis patients per year. There was a significant increase in the probability of LD with increasing number of pancreatitis recurrences and, for the same number of pancreatitis recurrences, LD was significantly more frequent after CP than RAP (hazard ratio 1.666 (95% confidence interval 1.322-2.098; p = <0.001)). CONCLUSIONS The frequency of LD increases from FAP to RAP to CP. While number of pancreatitis recurrences is a significant risk factor for development of LD, there is a higher probability of LD following CP than RAP even for the same number of recurrences. Interventions preventing pancreatitis and its progression may lower the burden of LD.
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Affiliation(s)
- Shayal K. Chand
- School of Medicine, University of Auckland, Auckland, New Zealand
| | | | | | - Adam S. Bartlett
- Liver Transplant Unit, Auckland City Hospital, Auckland, New Zealand
| | - Stephen J. Pandol
- Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, USA
| | - Maxim S. Petrov
- School of Medicine, University of Auckland, Auckland, New Zealand,Corresponding author at: Room 12.085A, Level 12, Auckland City Hospital, Auckland 1023, New Zealand. (M.S. Petrov)
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26
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Abstract
Knowledge of pancreatitis in the 20th century was shaped predominantly by animal data and clinical trials. Several large general population-based cohort studies and comprehensive systematic literature reviews in the 21st century have had a major effect on our understanding of pancreatitis and its sequelae. This Review provides precise and up-to-date data on the burden of acute pancreatitis, chronic pancreatitis and post-pancreatitis diabetes mellitus. Exocrine pancreatic insufficiency and altered bone metabolism following pancreatitis are also discussed. Furthermore, the article introduces a framework for the holistic prevention of pancreatitis with a view to providing guidance on strategies and intervention objectives at primary, secondary and tertiary levels. Concerted efforts by not only gastroenterologists and surgeons but also primary care physicians, endocrinologists, radiologists, pain specialists, dietitians, epidemiologists and public health specialists will be required to reduce meaningfully the burden of pancreatitis and its sequelae over the ensuing decades.
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Affiliation(s)
- Maxim S. Petrov
- School of Medicine, University of Auckland, Auckland, New Zealand
| | - Dhiraj Yadav
- Division of Gastroenterology & Hepatology, University of Pittsburgh Medical Center, Pittsburgh, PA, USA.,
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27
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Singh RG, Nguyen NN, DeSouza SV, Pendharkar SA, Petrov MS. Comprehensive analysis of body composition and insulin traits associated with intra-pancreatic fat deposition in healthy individuals and people with new-onset prediabetes/diabetes after acute pancreatitis. Diabetes Obes Metab 2019; 21:417-423. [PMID: 30187644 DOI: 10.1111/dom.13523] [Citation(s) in RCA: 48] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/03/2018] [Revised: 08/21/2018] [Accepted: 09/03/2018] [Indexed: 12/11/2022]
Abstract
Current knowledge of biomarkers of intra-pancreatic fat deposition (IFD) is limited. We aimed to analyse comprehensively body composition and insulin traits as biomarkers of IFD in healthy normoglycaemic individuals as well as in individuals with new-onset prediabetes or diabetes after acute pancreatitis (NODAP). A total of 29 healthy individuals and 34 individuals with NODAP took part in this cross-sectional study. The studied biomarkers belonged to the following domains: body composition (anthropometric and MRI-derived variables); indices of insulin secretion; indices of insulin sensitivity; incretins and related peptides; and pancreatitis-related factors. All MRI-derived variables (including IFD) were measured using ImageJ software. Univariate and step-wise regression analyses were conducted to determine variables that best explained variance in IFD. Visceral fat volume and oxyntomodulin were the best biomarkers of IFD in normoglycaemic healthy individuals, contributing to 64% variance. The Raynaud index was the best biomarker of IFD in individuals with NODAP, contributing to 20% variance. Longitudinal studies are warranted to investigate the cause and effect relationship between oxyntomodulin and IFD in healthy individuals, as well as insulin sensitivity and IFD in individuals with NODAP.
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Affiliation(s)
- Ruma G Singh
- Department of Surgery, School of Medicine, University of Auckland, Auckland, New Zealand
| | - Ngoc N Nguyen
- Department of Surgery, School of Medicine, University of Auckland, Auckland, New Zealand
| | - Steve V DeSouza
- Department of Surgery, School of Medicine, University of Auckland, Auckland, New Zealand
| | - Sayali A Pendharkar
- Department of Surgery, School of Medicine, University of Auckland, Auckland, New Zealand
| | - Maxim S Petrov
- Department of Surgery, School of Medicine, University of Auckland, Auckland, New Zealand
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Cervantes A, Waymouth EK, Petrov MS. African-Americans and Indigenous Peoples Have Increased Burden of Diseases of the Exocrine Pancreas: A Systematic Review and Meta-Analysis. Dig Dis Sci 2019; 64:249-261. [PMID: 30259278 DOI: 10.1007/s10620-018-5291-1] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/23/2018] [Accepted: 09/14/2018] [Indexed: 12/12/2022]
Abstract
Ethnic health disparity is a well-acknowledged issue in many disease settings, but not diseases of the exocrine pancreas. A systematic review and meta-analysis was conducted to explore the race- and ethnicity-specific burden of diseases of the exocrine pancreas. Studies that compared health-related endpoints between two or more ethnicities were eligible for inclusion. Proportion meta-analyses were conducted to compare burden between groups. A total of 42 studies (24 on pancreatic cancer, 17 on pancreatitis, and one on pancreatic cyst) were included in the systematic review, of which 19 studies were suitable for meta-analyses. The incidence of pancreatic cancer was 1.4-fold higher among African-Americans, while the incidence of acute pancreatitis was 4.8-fold higher among an indigenous population (New Zealand Māori) compared with Caucasians. The prevalence of post-pancreatitis diabetes mellitus was up to 3.0-fold higher among certain ethnicities, including Asians, Pacific Islanders, and indigenous populations compared with Caucasians. The burden of diseases of the exocrine pancreas differs between ethnicities, with African-Americans and certain indigenous populations being at the greatest risk of developing these diseases. Development of race- and ethnicity-specific screening as well as protocols for lifestyle modifications may need to be considered with a view to reducing the disparities in burden of diseases of the exocrine pancreas.
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Affiliation(s)
- Aya Cervantes
- School of Medicine, University of Auckland, Private Bag 92019, Auckland, 1142, New Zealand
| | - Ellen K Waymouth
- School of Medicine, University of Auckland, Private Bag 92019, Auckland, 1142, New Zealand
| | - Maxim S Petrov
- School of Medicine, University of Auckland, Private Bag 92019, Auckland, 1142, New Zealand.
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29
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Merry TL, Petrov MS. The rise of genetically engineered mouse models of pancreatitis: A review of literature. Biomol Concepts 2018; 9:103-114. [DOI: 10.1515/bmc-2018-0011] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2018] [Accepted: 10/19/2018] [Indexed: 12/15/2022] Open
Abstract
AbstractPancreatitis is increasingly recognized as not merely a local inflammation of the pancreas but also a disease with high frequency of systemic sequelae. Current understanding of the cellular mechanisms that trigger it and affect the development of sequelae are limited. Genetically engineered mouse models can be a useful tool to study the pathophysiology of pancreatitis. This article gives an overview of the genetically engineered mouse models that spontaneously develop pancreatitis and discusses those that most closely replicate different pancreatitis hallmarks observed in humans.
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Affiliation(s)
- Troy L. Merry
- Maurice Wilkins Centre for Molecular Biodiscovery, The University of Auckland, Auckland, New Zealand
- Discipline of Nutrition, Faculty of Medical and Health Sciences, The University of Auckland, Auckland, New Zealand
| | - Maxim S. Petrov
- Department of Surgery, Faculty of Medical and Health Sciences, The University of Auckland, Auckland, New Zealand
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30
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DeSouza SV, Singh RG, Yoon HD, Murphy R, Plank LD, Petrov MS. Pancreas volume in health and disease: a systematic review and meta-analysis. Expert Rev Gastroenterol Hepatol 2018; 12:757-766. [PMID: 29972077 DOI: 10.1080/17474124.2018.1496015] [Citation(s) in RCA: 53] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
The pancreas plays a central role in metabolism and is involved in the pathogenesis of several diseases. Pancreas volume is a holistic quantitative measure of pancreas size but the clinical relevance of pancreas volumetry is poorly understood. Areas covered: The aim was to systematically review studies in adults that used computed tomography or magnetic resonance imaging to measure pancreas volume in health and disease, to determine normal pancreas volume range, and to quantify changes in pancreas volume that are associated with disease. Expert commentary: The normal pancreas volume range in adults is 71-83 cm3, with no statistically significant difference between men and women. Type 2 diabetes and type 1 diabetes are associated with a progressively reduced pancreas volume. Overweight and obesity are associated with a progressively increased pancreas volume. There is a paucity of studies on pancreas volume in the setting of diseases of the exocrine pancreas, which should become a research priority in the future.
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Affiliation(s)
- Steve V DeSouza
- a School of Medicine , University of Auckland , Auckland , New Zealand
| | - Ruma G Singh
- a School of Medicine , University of Auckland , Auckland , New Zealand
| | - Harry D Yoon
- a School of Medicine , University of Auckland , Auckland , New Zealand
| | - Rinki Murphy
- a School of Medicine , University of Auckland , Auckland , New Zealand
| | - Lindsay D Plank
- a School of Medicine , University of Auckland , Auckland , New Zealand
| | - Maxim S Petrov
- a School of Medicine , University of Auckland , Auckland , New Zealand
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Cervantes A, Singh RG, Pendharkar SA, Bharmal SH, Petrov MS. Profile of Gut Hormones, Pancreatic Hormones and Pro-inflammatory Cytokines in New Zealand Maori. Gastroenterology Res 2018; 11:280-289. [PMID: 30116427 PMCID: PMC6089586 DOI: 10.14740/gr1042w] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/08/2018] [Accepted: 05/28/2018] [Indexed: 12/11/2022] Open
Abstract
Background Maori, indigenous people of New Zealand, have at least two times higher prevalence of obesity and diabetes in comparison with the general population in the country. Gut and pancreatic hormone profile differences as well as pro-inflammatory milieu may contribute to this disparity. The aim was to investigate the differences in gut hormones, pancreatic hormones and pro-inflammatory cytokines between Maori and non-Maori individuals. Methods This was a cross-sectional study. Fasting blood samples were collected to measure cholecystokinin, ghrelin, gastric inhibitory peptide, glicentin, glucagon-like peptide-1 and -2, oxyntomodulin, secretin, amylin, C-peptide, glucagon, insulin, pancreatic polypeptide, somatostatin, interleukin-6, monocyte chemoattractant protein-1 and tumour necrosis factor-α. Binary logistic regression analysis was conducted in one unadjusted and four adjusted statistical models adjusting for patient-, metabolic- and pancreatitis-related factors. Results A total of 8 Maori and 85 non-Maori individuals were included. Circulating levels of ghrelin, pancreatic polypeptide and interleukin-6 levels were significantly higher in Maori (P = 0.005, P = 0.003 and P = 0.011, respectively) in both unadjusted and all the four adjusted analyses. Other signaling molecules did not show consistently significant associations with ethnicity. Conclusion Profile of gut hormones, pancreatic hormones and pro-inflammatory cytokines appears to differ between Maori and non-Maori individuals, independent of obesity, diabetes and other covariates. This may go some way to explain the increased propensity to obesity and diabetes in the Maori population.
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Affiliation(s)
- Aya Cervantes
- School of Medicine, University of Auckland, Auckland, New Zealand
| | - Ruma G Singh
- School of Medicine, University of Auckland, Auckland, New Zealand
| | | | - Sakina H Bharmal
- School of Medicine, University of Auckland, Auckland, New Zealand
| | - Maxim S Petrov
- School of Medicine, University of Auckland, Auckland, New Zealand
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