1
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Sato K, Kadowaki T, Takenaka M, Konishi M, Ando M, Onodera T, Tsukuba T. RASEF/Rab45 regulates the formation and sorting of zymogen granules and secretion of digestive enzymes by pancreatic acinar cells. Biochim Biophys Acta Mol Basis Dis 2024; 1870:167310. [PMID: 38901651 DOI: 10.1016/j.bbadis.2024.167310] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2024] [Revised: 06/11/2024] [Accepted: 06/13/2024] [Indexed: 06/22/2024]
Abstract
The pancreas is a glandular organ with both endocrine and exocrine functions. Researchers have investigated the roles of several Rab proteins, which are major regulators of membrane trafficking, in pancreatic exocytosis of zymogen granules in exocrine cells, also known as acinar cells. However, detailed molecular mechanisms mediated by Rab proteins are not fully understood. RASEF/Rab45 is an atypical Rab GTPase that contains N-terminal EF-hand and coiled-coil domains, as well as a C-terminal Rab-GTPase domain. In this study, we investigated the in vivo role of RASEF in pancreatic acinar cells using RASEF-knockout (KO) mice. Morphological analyses revealed that pancreatic acinar cells in RASEF-KO mice had an increased number of zymogen granules and abnormal formations of organelles, such as the endoplasmic reticulum (ER) and lysosomes. Biochemical analyses showed that ER proteins were decreased, but digestive enzymes were increased in the RASEF-KO pancreas. Moreover, trypsinogen was activated and co-localized with the endo-lysosomal marker LAMP1 in RASEF-KO pancreas. Upon cerulein administration to induce acute pancreatitis, impaired enzyme release from the pancreas was observed in the serum of RASEF-KO mice. These findings suggest that RASEF likely regulates the formation and sorting of zymogen granules and secretion of digestive enzymes by pancreatic acinar cells.
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Affiliation(s)
- Keiko Sato
- Department of Frontier Oral Science, Graduate School of Biomedical Sciences, Nagasaki University, Sakamoto 1-7-1, Nagasaki 852-8588, Japan
| | - Tomoko Kadowaki
- Department of Frontier Oral Science, Graduate School of Biomedical Sciences, Nagasaki University, Sakamoto 1-7-1, Nagasaki 852-8588, Japan.
| | - Mamoru Takenaka
- Department of Frontier Oral Science, Graduate School of Biomedical Sciences, Nagasaki University, Sakamoto 1-7-1, Nagasaki 852-8588, Japan
| | - Mayo Konishi
- Department of Frontier Oral Science, Graduate School of Biomedical Sciences, Nagasaki University, Sakamoto 1-7-1, Nagasaki 852-8588, Japan
| | - Miyabi Ando
- Department of Frontier Oral Science, Graduate School of Biomedical Sciences, Nagasaki University, Sakamoto 1-7-1, Nagasaki 852-8588, Japan
| | - Takae Onodera
- Department of Frontier Oral Science, Graduate School of Biomedical Sciences, Nagasaki University, Sakamoto 1-7-1, Nagasaki 852-8588, Japan
| | - Takayuki Tsukuba
- Department of Dental Pharmacology, Graduate School of Biomedical Sciences, Nagasaki University, Sakamoto 1-7-1, Nagasaki 852-8588, Japan
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2
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Pan L, Mei Q, Gu Q, Duan M, Yan C, Hu Y, Zeng Y, Fan J. The effects of caffeine on pancreatic diseases: the known and possible mechanisms. Food Funct 2024; 15:8238-8247. [PMID: 39073342 DOI: 10.1039/d4fo02994a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/30/2024]
Abstract
Caffeine, a controversial substance, was once known to be addictive and harmful. In recent years, new effects of caffeine on the human body have been confirmed. Recent research over the past few decades has shown the potential of caffeine in treating pancreas-related diseases. This review aims to analyze the known and possible mechanisms of caffeine on pancreatic diseases and provides an overview of the current research status regarding the correlation between caffeine and pancreatic disease, while enhancing our understanding of their relationship.
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Affiliation(s)
- Letian Pan
- Shanghai Key Laboratory of Pancreatic Disease, Shanghai JiaoTong University School of Medicine, Shanghai 201600, China
- Department of Gastroenterology, Shanghai General Hospital, Shanghai JiaoTong University School of Medicine, 650 Xinsongjiang Road, Songjiang District, Shanghai 201600, China
| | - Qixiang Mei
- Shanghai Key Laboratory of Pancreatic Disease, Shanghai JiaoTong University School of Medicine, Shanghai 201600, China
- Department of Gastroenterology, Shanghai General Hospital, Shanghai JiaoTong University School of Medicine, 650 Xinsongjiang Road, Songjiang District, Shanghai 201600, China
| | - Qiuyun Gu
- Department of Nutrition, Shanghai General Hospital, Shanghai JiaoTong University School of Medicine, Shanghai 201600, China
| | - Mingyu Duan
- Shanghai JiaoTong University School of Medicine, Shanghai 201600, China
| | - Chenyuan Yan
- Shanghai Key Laboratory of Pancreatic Disease, Shanghai JiaoTong University School of Medicine, Shanghai 201600, China
- Department of Gastroenterology, Shanghai General Hospital, Shanghai JiaoTong University School of Medicine, 650 Xinsongjiang Road, Songjiang District, Shanghai 201600, China
| | - Yusen Hu
- Shanghai Key Laboratory of Pancreatic Disease, Shanghai JiaoTong University School of Medicine, Shanghai 201600, China
- Department of Gastroenterology, Shanghai General Hospital, Shanghai JiaoTong University School of Medicine, 650 Xinsongjiang Road, Songjiang District, Shanghai 201600, China
| | - Yue Zeng
- Shanghai Key Laboratory of Pancreatic Disease, Shanghai JiaoTong University School of Medicine, Shanghai 201600, China
- Department of Gastroenterology, Shanghai General Hospital, Shanghai JiaoTong University School of Medicine, 650 Xinsongjiang Road, Songjiang District, Shanghai 201600, China
| | - Junjie Fan
- Shanghai Key Laboratory of Pancreatic Disease, Shanghai JiaoTong University School of Medicine, Shanghai 201600, China
- Department of Gastroenterology, Shanghai General Hospital, Shanghai JiaoTong University School of Medicine, 650 Xinsongjiang Road, Songjiang District, Shanghai 201600, China
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3
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Tian L, Shi J, Li W, Zhang Y, Gao X. Hollow Microfiber Assembly-Based Endocrine Pancreas-on-a-Chip for Sugar Substitute Evaluation. Adv Healthc Mater 2024; 13:e2302104. [PMID: 37751946 DOI: 10.1002/adhm.202302104] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2023] [Revised: 09/22/2023] [Indexed: 10/03/2023]
Abstract
With the increasing demand for low-sugar, low-calorie healthy diets, artificial sweeteners are widely used as substitutes for sugar in the food industry. Therefore, developing models that can better predict the effects of sugar substitutes on the human body is necessary. Here, a new type of endocrine pancreas-on-a-chip is developed based on a microfiber assembly and its stimulation of pancreatic secretion by glucose or sugar substitutes is evaluated. This new endocrine pancreas-on-a-chip is assembled using two components: (1) a cell-loaded hollow methacrylate gelatin (GelMA)/calcium alginate (CaA) composite microfiber prepared by microfluidic spinning to achieve vascular simulation and material transport, and (2) a 3D pancreatic islet culture layer, which also serves as a fiber assembly microchip. Using this established organ chip, the effects of five sweeteners (glucose, erythritol, xylitol, sodium cyclamate, and sucralose) were investigated on pancreatic islet cell viability and insulin and glucagon secretion. The constructed endocrine pancreas-on-a-chip has potential for the safety evaluation of sugar-substituted food additives, which can expand the application of organ chips in the field of food safety and provide a new platform for evaluating various food additives.
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Affiliation(s)
- Lingling Tian
- Materials Genome Institute, Shanghai University, Shanghai, 200444, China
| | - Jingyan Shi
- Materials Genome Institute, Shanghai University, Shanghai, 200444, China
| | - Wei Li
- Materials Genome Institute, Shanghai University, Shanghai, 200444, China
| | - Yuan Zhang
- Materials Genome Institute, Shanghai University, Shanghai, 200444, China
| | - Xinghua Gao
- Materials Genome Institute, Shanghai University, Shanghai, 200444, China
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4
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Ghasemi Gojani E, Rai S, Norouzkhani F, Shujat S, Wang B, Li D, Kovalchuk O, Kovalchuk I. Targeting β-Cell Plasticity: A Promising Approach for Diabetes Treatment. Curr Issues Mol Biol 2024; 46:7621-7667. [PMID: 39057094 PMCID: PMC11275945 DOI: 10.3390/cimb46070453] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2024] [Revised: 07/11/2024] [Accepted: 07/15/2024] [Indexed: 07/28/2024] Open
Abstract
The β-cells within the pancreas play a pivotal role in insulin production and secretion, responding to fluctuations in blood glucose levels. However, factors like obesity, dietary habits, and prolonged insulin resistance can compromise β-cell function, contributing to the development of Type 2 Diabetes (T2D). A critical aspect of this dysfunction involves β-cell dedifferentiation and transdifferentiation, wherein these cells lose their specialized characteristics and adopt different identities, notably transitioning towards progenitor or other pancreatic cell types like α-cells. This process significantly contributes to β-cell malfunction and the progression of T2D, often surpassing the impact of outright β-cell loss. Alterations in the expressions of specific genes and transcription factors unique to β-cells, along with epigenetic modifications and environmental factors such as inflammation, oxidative stress, and mitochondrial dysfunction, underpin the occurrence of β-cell dedifferentiation and the onset of T2D. Recent research underscores the potential therapeutic value for targeting β-cell dedifferentiation to manage T2D effectively. In this review, we aim to dissect the intricate mechanisms governing β-cell dedifferentiation and explore the therapeutic avenues stemming from these insights.
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Affiliation(s)
| | | | | | | | | | | | - Olga Kovalchuk
- Department of Biological Sciences, University of Lethbridge, Lethbridge, AB T1K 3M4, Canada; (E.G.G.)
| | - Igor Kovalchuk
- Department of Biological Sciences, University of Lethbridge, Lethbridge, AB T1K 3M4, Canada; (E.G.G.)
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5
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Chernysheva МB, Ruchko ЕS, Karimova МV, Vorotelyak ЕA, Vasiliev АV. Development, regeneration, and physiological expansion of functional β-cells: Cellular sources and regulators. Front Cell Dev Biol 2024; 12:1424278. [PMID: 39045459 PMCID: PMC11263198 DOI: 10.3389/fcell.2024.1424278] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2024] [Accepted: 06/18/2024] [Indexed: 07/25/2024] Open
Abstract
Pancreatic regeneration is a complex process observed in both normal and pathological conditions. The aim of this review is to provide a comprehensive understanding of the emergence of a functionally active population of insulin-secreting β-cells in the adult pancreas. The renewal of β-cells is governed by a multifaceted interaction between cellular sources of genetic and epigenetic factors. Understanding the development and heterogeneity of β-cell populations is crucial for functional β-cell regeneration. The functional mass of pancreatic β-cells increases in situations such as pregnancy and obesity. However, the specific markers of mature β-cell populations and postnatal pancreatic progenitors capable of increasing self-reproduction in these conditions remain to be elucidated. The capacity to regenerate the β-cell population through various pathways, including the proliferation of pre-existing β-cells, β-cell neogenesis, differentiation of β-cells from a population of progenitor cells, and transdifferentiation of non-β-cells into β-cells, reveals crucial molecular mechanisms for identifying cellular sources and inducers of functional cell renewal. This provides an opportunity to identify specific cellular sources and mechanisms of regeneration, which could have clinical applications in treating various pathologies, including in vitro cell-based technologies, and deepen our understanding of regeneration in different physiological conditions.
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Affiliation(s)
- М. B. Chernysheva
- Cell Biology Laboratory, Koltzov Institute of Developmental Biology, Moscow, Russia
| | - Е. S. Ruchko
- Cell Biology Laboratory, Koltzov Institute of Developmental Biology, Moscow, Russia
| | - М. V. Karimova
- Cell Biology Laboratory, Koltzov Institute of Developmental Biology, Moscow, Russia
- Department of Biology and Biotechnologies Charles Darwin, The Sapienza University of Rome, Rome, Italy
| | - Е. A. Vorotelyak
- Cell Biology Laboratory, Koltzov Institute of Developmental Biology, Moscow, Russia
| | - А. V. Vasiliev
- Cell Biology Laboratory, Koltzov Institute of Developmental Biology, Moscow, Russia
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6
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Wang L, Li Y, Li R, Luan J, Cao K, Liu T, Hu H, Chen S, Bu L, Liu L, Wang H, Lu Q. Diverse associations between pancreatic intra-, inter-lobular fat and the development of type 2 diabetes in overweight or obese patients. Front Nutr 2024; 11:1421032. [PMID: 39021593 PMCID: PMC11252058 DOI: 10.3389/fnut.2024.1421032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2024] [Accepted: 06/24/2024] [Indexed: 07/20/2024] Open
Abstract
Pancreatic fat is associated with obesity and type 2 diabetes mellitus (T2DM); however, the relationship between different types of pancreatic fat and diabetes status remains unclear. Therefore, we aimed to determine the potential of different types of pancreatic fat accumulation as a risk factor for T2DM in overweight or obese patients. In total, 104 overweight or obese patients were recruited from January 2020 to December 2022. The patients were divided into three groups: normal glucose tolerance (NGT), impaired fasting glucose or glucose tolerance (IFG/IGT), and T2DM. mDixon magnetic resonance imaging (MRI) was used to detect pancreatic fat in all three groups of patients. The pancreatic head fat (PHF), body fat (PBF), and tail fat (PTF) in the IFG/IGT group were 21, 20, and 31% more than those in the NGT group, respectively. PHF, PBF, and PTF were positively associated with glucose metabolic dysfunction markers in the NGT group, and inter-lobular fat volume (IFV) was positively associated with these markers in the IFG/IGT group. The areas under the receiver operating characteristic curves for PHF, PBF, and PTF (used to evaluate their diagnostic potential for glucose metabolic dysfunction) were 0.73, 0.73, and 0.78, respectively, while those for total pancreatic volume (TPV), pancreatic parenchymal volume, IFV, and IFV/TPV were 0.67, 0.67, 0.66, and 0.66, respectively. These results indicate that intra-lobular pancreatic fat, including PHF, PTF, and PBF, may be a potential independent risk factor for the development of T2DM. Additionally, IFV exacerbates glucose metabolic dysfunction. Intra-lobular pancreatic fat indices were better than IFV for the diagnosis of glucose metabolic dysfunction.
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Affiliation(s)
- Lihui Wang
- Department of Radiology, Shanghai East Hospital, Tongji University, Shanghai, China
| | - Yinghao Li
- Physics Department & Shanghai Key Laboratory of Magnetic Resonance, School of Physics and Electronic Science, East China Normal University, Shanghai, China
| | - Renfeng Li
- Department of Radiology, Shanghai East Hospital, Tongji University, Shanghai, China
| | - Jinwen Luan
- School of Exercise and Health, Shanghai University of Sport, Shanghai, China
| | - Kaiming Cao
- Department of Radiology, Shanghai East Hospital, Tongji University, Shanghai, China
| | - Tiancheng Liu
- Department of Radiology, Shanghai East Hospital, Tongji University, Shanghai, China
| | - Haiyang Hu
- Department of Radiology, Shanghai East Hospital, Tongji University, Shanghai, China
| | - Shanshan Chen
- College of Medical Imaging, Shanghai University of Medicine and Health Science, Shanghai, China
| | - Le Bu
- Department of Endocrinology and Metabolism, Shanghai Tenth People's Hospital, Medicine School of Tongji University, Shanghai, China
| | - Longhua Liu
- School of Exercise and Health, Shanghai University of Sport, Shanghai, China
| | - Hongzhi Wang
- Physics Department & Shanghai Key Laboratory of Magnetic Resonance, School of Physics and Electronic Science, East China Normal University, Shanghai, China
| | - Qing Lu
- Department of Radiology, Shanghai East Hospital, Tongji University, Shanghai, China
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7
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Edri S, Rosenthal V, Ginsburg O, Newman Frisch A, Pierreux CE, Sharon N, Levenberg S. 3D model of mouse embryonic pancreas and endocrine compartment using stem cell-derived mesoderm and pancreatic progenitors. iScience 2024; 27:109959. [PMID: 38832019 PMCID: PMC11144751 DOI: 10.1016/j.isci.2024.109959] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Revised: 03/21/2024] [Accepted: 05/08/2024] [Indexed: 06/05/2024] Open
Abstract
The developing mouse pancreas is surrounded by mesoderm compartments providing signals that induce pancreas formation. Most pancreatic organoid protocols lack this mesoderm niche and only partially capture the pancreatic cell repertoire. This work aims to generate pancreatic aggregates by differentiating mouse embryonic stem cells (mESCs) into mesoderm progenitors (MPs) and pancreas progenitors (PPs), without using Matrigel. First, mESCs were differentiated into epiblast stem cells (EpiSCs) to enhance the PP differentiation rate. Next, PPs and MPs aggregated together giving rise to various pancreatic cell types, including endocrine, acinar, and ductal cells, and to endothelial cells. Single-cell RNA sequencing analysis revealed a larger endocrine population within the PP + MP aggregates, as compared to PPs alone or PPs in Matrigel aggregates. The PP + MP aggregate gene expression signatures and its endocrine population percentage closely resembled those of the endocrine population found in the mouse embryonic pancreas, which holds promise for studying pancreas development.
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Affiliation(s)
- Shlomit Edri
- Faculty of Biomedical Engineering, Technion – Israel Institute of Technology, Haifa 3200003, Israel
| | - Vardit Rosenthal
- Faculty of Biomedical Engineering, Technion – Israel Institute of Technology, Haifa 3200003, Israel
| | - Or Ginsburg
- Faculty of Biomedical Engineering, Technion – Israel Institute of Technology, Haifa 3200003, Israel
| | - Abigail Newman Frisch
- Faculty of Biomedical Engineering, Technion – Israel Institute of Technology, Haifa 3200003, Israel
| | | | - Nadav Sharon
- Faculty of Biology, Technion – Israel Institute of Technology, Haifa 3200003, Israel
| | - Shulamit Levenberg
- Faculty of Biomedical Engineering, Technion – Israel Institute of Technology, Haifa 3200003, Israel
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8
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Sun J, Su F, Chen Y, Wang T, Ali W, Jin H, Xiong L, Ma Y, Liu Z, Zou H. Co-exposure to PVC microplastics and cadmium induces oxidative stress and fibrosis in duck pancreas. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 927:172395. [PMID: 38608882 DOI: 10.1016/j.scitotenv.2024.172395] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/07/2023] [Revised: 03/20/2024] [Accepted: 04/09/2024] [Indexed: 04/14/2024]
Abstract
PVC microplastics (PVC-MPs) are environmental pollutants that interact with cadmium (Cd) to exert various biological effects. Ducks belong to the waterfowl family of birds and therefore are at a higher risk of exposure to PVC-MPs and Cd than other animals. However, the effects of co-exposure of ducks to Cd and PVC-MPs are poorly understood. Here, we used Muscovy ducks to establish an in vivo model to explore the effects of co-exposure to 1 mg/L PVC-MPs and 50 mg/kg Cd on duck pancreas. After 2 months of treatment with 50 mg/kg Cd, pancreas weight decreased by 21 %, and the content of amylase and lipase increased by 25 % and 233 %. However, exposure to PVC-MPs did not significantly affect the pancreas. Moreover, co-exposure to PVC-MPs and Cd worsened the reduction of pancreas weight and disruption of pancreas function compared to exposure to either substance alone. Furthermore, our research has revealed that exposure to PVC-MPs or Cd disrupted mitochondrial structure, reduced ATP levels by 10 % and 18 %, inhibited antioxidant enzyme activity, and increased malondialdehyde levels by 153.8 % and 232.5 %. It was found that exposure to either PVC-MPs or Cd can induce inflammation and fibrosis in the duck pancreas. Notably, co-exposure to PVC-MPs and Cd exacerbated inflammation and fibrosis, with the content of IL-1, IL-6, and TNF-α increasing by 169 %, 199 %, and 98 %, compared to Cd exposure alone. The study emphasizes the significance of comprehending the potential hazards linked to exposure to these substances. In conclusion, it presents promising preliminary evidence that PVC-MPs accumulate in duck pancreas, and increase the accumulation of Cd. Co-exposure to PVC-MPs and Cd disrupts the structure and function of mitochondria and promotes the development of pancreas inflammation and fibrosis.
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Affiliation(s)
- Jian Sun
- College of Veterinary Medicine, Yangzhou University, Yangzhou, China; Joint International Research Laboratory of Agriculture and Agri-Product Safety, the Ministry of Education of China, Yangzhou University, Yangzhou, Jiangsu, PR China
| | - Fangyu Su
- College of Veterinary Medicine, Yangzhou University, Yangzhou, China; Joint International Research Laboratory of Agriculture and Agri-Product Safety, the Ministry of Education of China, Yangzhou University, Yangzhou, Jiangsu, PR China
| | - Yan Chen
- College of Veterinary Medicine, Yangzhou University, Yangzhou, China; Joint International Research Laboratory of Agriculture and Agri-Product Safety, the Ministry of Education of China, Yangzhou University, Yangzhou, Jiangsu, PR China
| | - Tao Wang
- College of Veterinary Medicine, Yangzhou University, Yangzhou, China; Joint International Research Laboratory of Agriculture and Agri-Product Safety, the Ministry of Education of China, Yangzhou University, Yangzhou, Jiangsu, PR China
| | - Waseem Ali
- College of Veterinary Medicine, Yangzhou University, Yangzhou, China; Joint International Research Laboratory of Agriculture and Agri-Product Safety, the Ministry of Education of China, Yangzhou University, Yangzhou, Jiangsu, PR China
| | - Hengqi Jin
- College of Veterinary Medicine, Yangzhou University, Yangzhou, China; Joint International Research Laboratory of Agriculture and Agri-Product Safety, the Ministry of Education of China, Yangzhou University, Yangzhou, Jiangsu, PR China
| | - Ling Xiong
- College of Veterinary Medicine, Yangzhou University, Yangzhou, China; Joint International Research Laboratory of Agriculture and Agri-Product Safety, the Ministry of Education of China, Yangzhou University, Yangzhou, Jiangsu, PR China; Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, China
| | - Yonggang Ma
- College of Veterinary Medicine, Yangzhou University, Yangzhou, China; Joint International Research Laboratory of Agriculture and Agri-Product Safety, the Ministry of Education of China, Yangzhou University, Yangzhou, Jiangsu, PR China; Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, China
| | - Zongping Liu
- College of Veterinary Medicine, Yangzhou University, Yangzhou, China; Joint International Research Laboratory of Agriculture and Agri-Product Safety, the Ministry of Education of China, Yangzhou University, Yangzhou, Jiangsu, PR China; Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, China.
| | - Hui Zou
- College of Veterinary Medicine, Yangzhou University, Yangzhou, China; Joint International Research Laboratory of Agriculture and Agri-Product Safety, the Ministry of Education of China, Yangzhou University, Yangzhou, Jiangsu, PR China; Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, China.
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9
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Al-Adsani AM, Al-Qattan KK. Among Other Tissues, Short-Term Garlic Oral Treatment Incrementally Improves Indicants of Only Pancreatic Islets of Langerhans Histology and Insulin mRNA Transcription and Synthesis in Diabetic Rats. BIOLOGY 2024; 13:355. [PMID: 38785837 PMCID: PMC11117606 DOI: 10.3390/biology13050355] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/13/2024] [Revised: 05/04/2024] [Accepted: 05/16/2024] [Indexed: 05/25/2024]
Abstract
BACKGROUND The source, mRNA transcription, and synthesis of insulin in the pancreas, in addition to the bile duct and liver, in streptozotocin (STZ)-induced diabetic rats (DR) in response to garlic oral treatment are not yet clear. OBJECTIVE This study investigated the accumulative effects of continued garlic oral treatment on changes in the pancreas, bile duct, and liver with regards to: 1-Insulin mRNA transcription, synthesis, and concentration in relation to changes in serum insulin (SI); 2-Insulinogenic cells insulin intensity and distribution, proliferation, and morphology. METHOD Fasting blood glucose (FBG) and insulin concentration in serum and pancreas (PI) and sources and mRNA transcription in the pancreas, bile duct, and liver in normal rats given normal saline (NR-NS) and DR given either NS (DR-NS) or garlic extract (DR-GE) before and after 1, 4, and 8 weeks of oral treatment were examined. RESULTS Compared to NR-NS, DR-NS showed a significant increase in FBG and reductions in SI and PI and deterioration in islets histology, associated pancreatic insulin numerical intensities, and mRNA transcription. However, compared to DR-NS, the targeted biochemical, histological, and genetic variables of DR-GE were significantly and incrementally improved as garlic treatment continued. Insulin or its indicators were not detected either in the bile duct or the liver in DR-GE. CONCLUSIONS 8 weeks of garlic oral treatment is enough to incrementally restore only pancreatic islets of Langerhans insulin intensity and insulinogenic cells proliferation, morphology, and distribution. These indices were associated with enhanced pancreatic insulin mRNA transcription and synthesis. Eight weeks of garlic treatment were not enough to stimulate insulinogenesis in either the bile duct or the liver.
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Affiliation(s)
- Amani M Al-Adsani
- Department of Biological Science, Faculty of Science, Kuwait University, P.O. Box 5969, Safat, Kuwait City 13060, Kuwait
| | - Khaled K Al-Qattan
- Department of Biological Science, Faculty of Science, Kuwait University, P.O. Box 5969, Safat, Kuwait City 13060, Kuwait
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10
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Malnassy G, Ziolkowski L, Macleod KF, Oakes SA. The Integrated Stress Response in Pancreatic Development, Tissue Homeostasis, and Cancer. Gastroenterology 2024:S0016-5085(24)04931-X. [PMID: 38768690 DOI: 10.1053/j.gastro.2024.05.009] [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] [Received: 12/14/2023] [Revised: 04/06/2024] [Accepted: 05/02/2024] [Indexed: 05/22/2024]
Abstract
Present in all eukaryotic cells, the integrated stress response (ISR) is a highly coordinated signaling network that controls cellular behavior, metabolism, and survival in response to diverse stresses. The ISR is initiated when any 1 of 3 stress-sensing kinases (protein kinase R-like endoplasmic reticulum kinase [PERK], general control non-derepressible 2 [GCN2], double-stranded RNA-dependent protein kinase [PKR], heme-regulated eukaryotic translation initiation factor 2α kinase [HRI]) becomes activated to phosphorylate the protein translation initiation factor eukaryotic translation initiation factor 2α (eIF2α), shifting gene expression toward a comprehensive rewiring of cellular machinery to promote adaptation. Although the ISR has been shown to play an important role in the homeostasis of multiple tissues, evidence suggests that it is particularly crucial for the development and ongoing health of the pancreas. Among the most synthetically dynamic tissues in the body, the exocrine and endocrine pancreas relies heavily on the ISR to rapidly adjust cell function to meet the metabolic demands of the organism. The hardwiring of the ISR into normal pancreatic functions and adaptation to stress may explain why it is a commonly used pro-oncogenic and therapy-resistance mechanism in pancreatic ductal adenocarcinoma and pancreatic neuroendocrine tumors. Here we review what is known about the key roles that the ISR plays in the development, homeostasis, and neoplasia of the pancreas.
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Affiliation(s)
- Greg Malnassy
- Department of Pathology, University of Chicago, Chicago, Illinois
| | - Leah Ziolkowski
- The Ben May Department for Cancer Research, University of Chicago, Chicago, Illinoi; Committee on Molecular Metabolism and Nutrition, University of Chicago, Chicago, Illinois
| | - Kay F Macleod
- The Ben May Department for Cancer Research, University of Chicago, Chicago, Illinoi; Committee on Molecular Metabolism and Nutrition, University of Chicago, Chicago, Illinois; Committee on Cancer Biology, University of Chicago, Chicago, Illinois.
| | - Scott A Oakes
- Department of Pathology, University of Chicago, Chicago, Illinois; Committee on Molecular Metabolism and Nutrition, University of Chicago, Chicago, Illinois; Committee on Cancer Biology, University of Chicago, Chicago, Illinois.
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11
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Ansarullah, Migliorini A, Bakhti M. Editorial: Islet cell development, heterogeneity and regeneration. Front Endocrinol (Lausanne) 2024; 15:1404839. [PMID: 38828416 PMCID: PMC11140119 DOI: 10.3389/fendo.2024.1404839] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/21/2024] [Accepted: 05/08/2024] [Indexed: 06/05/2024] Open
Affiliation(s)
- Ansarullah
- Center for Biometric Analysis, The Jackson Laboratory, Bar Harbor, ME, United States
| | - Adriana Migliorini
- McEwen Stem Cell Institute, University Health Network, Toronto, ON, Canada
| | - Mostafa Bakhti
- Institute of Diabetes and Regeneration Research, Helmholtz Center Munich, Neuherberg, Germany
- German Center for Diabetes Research, Neuherberg, Germany
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12
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Bourgeois S, Coenen S, Degroote L, Willems L, Van Mulders A, Pierreux J, Heremans Y, De Leu N, Staels W. Harnessing beta cell regeneration biology for diabetes therapy. Trends Endocrinol Metab 2024:S1043-2760(24)00082-1. [PMID: 38644094 DOI: 10.1016/j.tem.2024.03.006] [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] [Received: 02/03/2024] [Revised: 03/21/2024] [Accepted: 03/21/2024] [Indexed: 04/23/2024]
Abstract
The pandemic scale of diabetes mellitus is alarming, its complications remain devastating, and current treatments still pose a major burden on those affected and on the healthcare system as a whole. As the disease emanates from the destruction or dysfunction of insulin-producing pancreatic β-cells, a real cure requires their restoration and protection. An attractive strategy is to regenerate β-cells directly within the pancreas; however, while several approaches for β-cell regeneration have been proposed in the past, clinical translation has proven challenging. This review scrutinizes recent findings in β-cell regeneration and discusses their potential clinical implementation. Hereby, we aim to delineate a path for innovative, targeted therapies to help shift from 'caring for' to 'curing' diabetes.
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Affiliation(s)
- Stephanie Bourgeois
- Genetics, Reproduction, and Development (GRAD), Beta Cell Neogenesis (BENE) Research Unit, Vrije Universiteit Brussel (VUB), 1090 Brussels, Belgium
| | - Sophie Coenen
- Genetics, Reproduction, and Development (GRAD), Beta Cell Neogenesis (BENE) Research Unit, Vrije Universiteit Brussel (VUB), 1090 Brussels, Belgium
| | - Laure Degroote
- Genetics, Reproduction, and Development (GRAD), Beta Cell Neogenesis (BENE) Research Unit, Vrije Universiteit Brussel (VUB), 1090 Brussels, Belgium
| | - Lien Willems
- Genetics, Reproduction, and Development (GRAD), Beta Cell Neogenesis (BENE) Research Unit, Vrije Universiteit Brussel (VUB), 1090 Brussels, Belgium
| | - Annelore Van Mulders
- Genetics, Reproduction, and Development (GRAD), Beta Cell Neogenesis (BENE) Research Unit, Vrije Universiteit Brussel (VUB), 1090 Brussels, Belgium
| | - Julie Pierreux
- Genetics, Reproduction, and Development (GRAD), Beta Cell Neogenesis (BENE) Research Unit, Vrije Universiteit Brussel (VUB), 1090 Brussels, Belgium
| | - Yves Heremans
- Genetics, Reproduction, and Development (GRAD), Beta Cell Neogenesis (BENE) Research Unit, Vrije Universiteit Brussel (VUB), 1090 Brussels, Belgium
| | - Nico De Leu
- Genetics, Reproduction, and Development (GRAD), Beta Cell Neogenesis (BENE) Research Unit, Vrije Universiteit Brussel (VUB), 1090 Brussels, Belgium; Endocrinology, Universiteit Ziekenhuis Brussel (UZ Brussel), 1090 Brussels, Belgium; Endocrinology, ASZ Aalst, 9300 Aalst, Belgium.
| | - Willem Staels
- Genetics, Reproduction, and Development (GRAD), Beta Cell Neogenesis (BENE) Research Unit, Vrije Universiteit Brussel (VUB), 1090 Brussels, Belgium; Pediatric Endocrinology, Department of Pediatrics, KidZ Health Castle, Universiteit Ziekenhuis Brussel (UZ Brussel), 1090 Brussels, Belgium.
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13
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Xu Y, Mao S, Fan H, Wan J, Wang L, Zhang M, Zhu S, Yuan J, Lu Y, Wang Z, Yu B, Jiang Z, Huang Y. LINC MIR503HG Controls SC-β Cell Differentiation and Insulin Production by Targeting CDH1 and HES1. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2305631. [PMID: 38243869 PMCID: PMC10987150 DOI: 10.1002/advs.202305631] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/12/2023] [Revised: 01/03/2024] [Indexed: 01/22/2024]
Abstract
Stem cell-derived pancreatic progenitors (SC-PPs), as an unlimited source of SC-derived β (SC-β) cells, offers a robust tool for diabetes treatment in stem cell-based transplantation, disease modeling, and drug screening. Whereas, PDX1+/NKX6.1+ PPs enhances the subsequent endocrine lineage specification and gives rise to glucose-responsive SC-β cells in vivo and in vitro. To identify the regulators that promote induction efficiency and cellular function maturation, single-cell RNA-sequencing is performed to decipher the transcriptional landscape during PPs differentiation. The comprehensive evaluation of functionality demonstrated that manipulating LINC MIR503HG using CRISPR in PP cell fate decision can improve insulin synthesis and secretion in mature SC-β cells, without effects on liver lineage specification. Importantly, transplantation of MIR503HG-/- SC-β cells in recipients significantly restored blood glucose homeostasis, accompanied by serum C-peptide release and an increase in body weight. Mechanistically, by releasing CtBP1 occupying the CDH1 and HES1 promoters, the decrease in MIR503HG expression levels provided an excellent extracellular niche and appropriate Notch signaling activation for PPs following differentiation. Furthermore, this exhibited higher crucial transcription factors and mature epithelial markers in CDH1High expressed clusters. Altogether, these findings highlighted MIR503HG as an essential and exclusive PP cell fate specification regulator with promising therapeutic potential for patients with diabetes.
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Affiliation(s)
- Yang Xu
- Department of Hepatobiliary and Pancreatic SurgeryAffiliated Hospital of Nantong UniversityMedical School of Nantong UniversityNantong226001China
- Center of Gallbladder DiseaseShanghai East HospitalInstitute of Gallstone DiseaseSchool of MedicineTongji UniversityShanghai200092China
- Research Center of Clinical MedicineAffiliated Hospital of Nantong UniversityMedical School of Nantong UniversityNantong226001China
| | - Susu Mao
- Key Laboratory of Neuroregeneration of Jiangsu and Ministry of EducationNMPA Key Laboratory for Research and Evaluation of Tissue Engineering Technology ProductsCo‐innovation Center of NeuroregenerationNantong UniversityNantong226001China
| | - Haowen Fan
- Department of Hepatobiliary and Pancreatic SurgeryAffiliated Hospital of Nantong UniversityMedical School of Nantong UniversityNantong226001China
- Research Center of Clinical MedicineAffiliated Hospital of Nantong UniversityMedical School of Nantong UniversityNantong226001China
| | - Jian Wan
- Department of Hepatobiliary and Pancreatic SurgeryAffiliated Hospital of Nantong UniversityMedical School of Nantong UniversityNantong226001China
- Research Center of Clinical MedicineAffiliated Hospital of Nantong UniversityMedical School of Nantong UniversityNantong226001China
| | - Lin Wang
- Department of Hepatobiliary and Pancreatic SurgeryAffiliated Hospital of Nantong UniversityMedical School of Nantong UniversityNantong226001China
- Department of Graduate SchoolDalian Medical UniversityDalianLiaoning116000China
| | - Mingyu Zhang
- Department of Nuclear MedicineBeijing Friendship HospitalAffiliated to Capital Medical UniversityBeijing100050China
| | - Shajun Zhu
- Department of Hepatobiliary and Pancreatic SurgeryAffiliated Hospital of Nantong UniversityMedical School of Nantong UniversityNantong226001China
| | - Jin Yuan
- Department of Endocrinology and MetabolismAffiliated Hospital of Nantong UniversityMedical School of Nantong UniversityNantong226001China
| | - Yuhua Lu
- Department of Hepatobiliary and Pancreatic SurgeryAffiliated Hospital of Nantong UniversityMedical School of Nantong UniversityNantong226001China
| | - Zhiwei Wang
- Department of Hepatobiliary and Pancreatic SurgeryAffiliated Hospital of Nantong UniversityMedical School of Nantong UniversityNantong226001China
| | - Bin Yu
- Key Laboratory of Neuroregeneration of Jiangsu and Ministry of EducationNMPA Key Laboratory for Research and Evaluation of Tissue Engineering Technology ProductsCo‐innovation Center of NeuroregenerationNantong UniversityNantong226001China
| | - Zhaoyan Jiang
- Center of Gallbladder DiseaseShanghai East HospitalInstitute of Gallstone DiseaseSchool of MedicineTongji UniversityShanghai200092China
| | - Yan Huang
- Department of Hepatobiliary and Pancreatic SurgeryAffiliated Hospital of Nantong UniversityMedical School of Nantong UniversityNantong226001China
- Research Center of Clinical MedicineAffiliated Hospital of Nantong UniversityMedical School of Nantong UniversityNantong226001China
- Key Laboratory of Neuroregeneration of Jiangsu and Ministry of EducationNMPA Key Laboratory for Research and Evaluation of Tissue Engineering Technology ProductsCo‐innovation Center of NeuroregenerationNantong UniversityNantong226001China
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14
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Lang H, Lin N, Chen X, Xiang J, Zhang X, Kang C. Repressing miR-23a promotes the transdifferentiation of pancreatic α cells to β cells via negatively regulating the expression of SDF-1α. PLoS One 2024; 19:e0299821. [PMID: 38517864 PMCID: PMC10959391 DOI: 10.1371/journal.pone.0299821] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2023] [Accepted: 02/15/2024] [Indexed: 03/24/2024] Open
Abstract
Pancreatic β-cell failure is a pathological feature in type 1 diabetes. One promising approach involves inducing transdifferentiation of related pancreatic cell types, specifically α cells that produce glucagon. The chemokine stromal cell-derived factor-1 alpha (SDF-1α) is implicated in pancreatic α-to-β like cell transition. Here, the serum level of SDF-1α was lower in T1D with C-peptide loss, the miR-23a was negatively correlated with SDF-1α. We discovered that exosomal miR-23a, secreted from β cells, functionally downregulates the expression of SDF-1α, leading to increased Pax4 expression and decreased Arx expression in vivo. Adenovirus-vectored miR-23a sponge and mimic were constructed to further explored the miR-23a on pancreatic α-to-β like cell transition in vitro, which yielded results consistent with our cell-based assays. Suppression of miR-23a upregulated insulin level and downregulated glucagon level in STZ-induced diabetes mice models, effectively promoting α-to-β like cell transition. Our findings highlight miR-23a as a new therapeutic target for regenerating pancreatic β cells from α cells.
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Affiliation(s)
- Hongmei Lang
- Department of General Medicine, Chengdu Second People’s Hospital, Chengdu, Sichuan Province, China
| | - Ning Lin
- Department of Clinical Nutrition, the General Hospital of Western Theater Command, Chengdu, Sichuan Province, China
| | - Xiaorong Chen
- Department of General Medicine, Chengdu Second People’s Hospital, Chengdu, Sichuan Province, China
- College of Medicine of Southwest Jiaotong University, Chengdu, Sichuan Province, China
| | - Jie Xiang
- Department of General Medicine, Chengdu Second People’s Hospital, Chengdu, Sichuan Province, China
- College of Medicine of Southwest Jiaotong University, Chengdu, Sichuan Province, China
| | - Xingping Zhang
- Department of General Medicine, Chengdu Second People’s Hospital, Chengdu, Sichuan Province, China
| | - Chao Kang
- Department of Clinical Nutrition, the General Hospital of Western Theater Command, Chengdu, Sichuan Province, China
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Oropeza D, Herrera PL. Glucagon-producing α-cell transcriptional identity and reprogramming towards insulin production. Trends Cell Biol 2024; 34:180-197. [PMID: 37626005 DOI: 10.1016/j.tcb.2023.07.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2023] [Revised: 07/07/2023] [Accepted: 07/11/2023] [Indexed: 08/27/2023]
Abstract
β-Cell replacement by in situ reprogramming of non-β-cells is a promising diabetes therapy. Following the observation that near-total β-cell ablation in adult mice triggers the reprogramming of pancreatic α-, δ-, and γ-cells into insulin (INS)-producing cells, recent studies are delving deep into the mechanisms controlling adult α-cell identity. Systematic analyses of the α-cell transcriptome and epigenome have started to pinpoint features that could be crucial for maintaining α-cell identity. Using different transgenic and chemical approaches, significant advances have been made in reprogramming α-cells in vivo into INS-secreting cells in mice. The recent reprogramming of human α-cells in vitro is an important step forward that must now be complemented with a comprehensive molecular dissection of the mechanisms controlling α-cell identity.
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Affiliation(s)
- Daniel Oropeza
- Department of Genetic Medicine and Development, Faculty of Medicine, University of Geneva, Geneva, Switzerland
| | - Pedro Luis Herrera
- Department of Genetic Medicine and Development, Faculty of Medicine, University of Geneva, Geneva, Switzerland.
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16
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Fu Q, Qian Y, Jiang H, He Y, Dai H, Chen Y, Xia Z, Liang Y, Zhou Y, Gao R, Zheng S, Lv H, Sun M, Xu K, Yang T. Genetic lineage tracing identifies adaptive mechanisms of pancreatic islet β cells in various mouse models of diabetes with distinct age of initiation. SCIENCE CHINA. LIFE SCIENCES 2024; 67:504-517. [PMID: 37930473 DOI: 10.1007/s11427-022-2372-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Accepted: 05/17/2023] [Indexed: 11/07/2023]
Abstract
During the pathogenesis of type 1 diabetes (T1D) and type 2 diabetes (T2D), pancreatic islets, especially the β cells, face significant challenges. These insulin-producing cells adopt a regeneration strategy to compensate for the shortage of insulin, but the exact mechanism needs to be defined. High-fat diet (HFD) and streptozotocin (STZ) treatment are well-established models to study islet damage in T2D and T1D respectively. Therefore, we applied these two diabetic mouse models, triggered at different ages, to pursue the cell fate transition of islet β cells. Cre-LoxP systems were used to generate islet cell type-specific (α, β, or δ) green fluorescent protein (GFP)-labeled mice for genetic lineage tracing, thereinto β-cell GFP-labeled mice were tamoxifen induced. Single-cell RNA sequencing (scRNA-seq) was used to investigate the evolutionary trajectories and molecular mechanisms of the GFP-labeled β cells in STZ-treated mice. STZ-induced diabetes caused extensive dedifferentiation of β cells and some of which transdifferentiated into a or δ cells in both youth- and adulthood-initiated mice while this phenomenon was barely observed in HFD models. β cells in HFD mice were expanded via self-replication rather than via transdifferentiation from α or δ cells, in contrast, α or δ cells were induced to transdifferentiate into β cells in STZ-treated mice (both youth- and adulthood-initiated). In addition to the re-dedifferentiation of β cells, it is also highly likely that these "α or δ" cells transdifferentiated from pre-existing β cells could also re-trans-differentiate into insulin-producing β cells and be beneficial to islet recovery. The analysis of ScRNA-seq revealed that several pathways including mitochondrial function, chromatin modification, and remodeling are crucial in the dynamic transition of β cells. Our findings shed light on how islet β cells overcome the deficit of insulin and the molecular mechanism of islet recovery in T1D and T2D pathogenesis.
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Affiliation(s)
- Qi Fu
- Department of Endocrinology, the First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, China
| | - Yu Qian
- Department of Endocrinology, the First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, China
| | - Hemin Jiang
- Department of Endocrinology, the First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, China
| | - Yunqiang He
- Department of Endocrinology, the First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, China
| | - Hao Dai
- Department of Endocrinology, the First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, China
| | - Yang Chen
- Department of Endocrinology, the First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, China
| | - Zhiqing Xia
- Department of Endocrinology, the First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, China
| | - Yucheng Liang
- Department of Endocrinology, the First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, China
| | - Yuncai Zhou
- Department of Endocrinology, the First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, China
| | - Rui Gao
- Department of Endocrinology, the First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, China
| | - Shuai Zheng
- Department of Endocrinology, the First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, China
| | - Hui Lv
- Department of Endocrinology, the First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, China
| | - Min Sun
- Department of Endocrinology, the First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, China
| | - Kuanfeng Xu
- Department of Endocrinology, the First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, China.
| | - Tao Yang
- Department of Endocrinology, the First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, China.
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Sun J, Wang Y, Fu H, Kang F, Song J, Xu M, Ning G, Wang J, Wang W, Wang Q. Mettl3-Mediated m6A Methylation Controls Pancreatic Bipotent Progenitor Fate and Islet Formation. Diabetes 2024; 73:237-249. [PMID: 37963393 DOI: 10.2337/db23-0360] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/07/2023] [Accepted: 11/06/2023] [Indexed: 11/16/2023]
Abstract
The important role of m6A RNA modification in β-cell function has been established; however, how it regulates pancreatic development and endocrine differentiation remains unknown. Here, we generated transgenic mice lacking RNA methyltransferase-like 3 (Mettl3) specifically in Pdx1+ pancreatic progenitor cells and found the mice with the mutation developed hyperglycemia and hypoinsulinemia at age 2 weeks, along with an atrophic pancreas, reduced islet mass, and abnormal increase in ductal formation. At embryonic day 15.5, Mettl3 deletion had caused a significant loss of Ngn3+ endocrine progenitor cells, which was accompanied by increased Sox9+ ductal precursor cells. We identified histone deacetylase 1 (Hdac1) as the critical direct m6A target in bipotent progenitors, the degeneration of which caused abnormal activation of the Wnt/Notch signaling pathway and blocked endocrine differentiation. This transformation could be manipulated in embryonic pancreatic culture in vitro through regulation of the Mettl3-Hdac1-Wnt/Notch signaling axis. Our finding that Mettl3 determines endocrine lineage by modulating Hdac1 activity during the transition of bipotent progenitors might help in the development of targeted endocrine cell protocols for diabetes treatment. ARTICLE HIGHLIGHTS
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Affiliation(s)
- Jiajun Sun
- Department of Endocrine and Metabolic Diseases, Shanghai Institute of Endocrine and Metabolic Diseases, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai National Clinical Research Center for Metabolic Diseases, Key Laboratory for Endocrine and Metabolic Diseases of the National Health Commission of the People's Republic of China, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai Key Laboratory for Endocrine Tumor, State Key Laboratory of Medical Genomics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yanqiu Wang
- Department of Endocrine and Metabolic Diseases, Shanghai Institute of Endocrine and Metabolic Diseases, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai National Clinical Research Center for Metabolic Diseases, Key Laboratory for Endocrine and Metabolic Diseases of the National Health Commission of the People's Republic of China, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai Key Laboratory for Endocrine Tumor, State Key Laboratory of Medical Genomics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Hui Fu
- Department of Endocrine and Metabolic Diseases, Shanghai Institute of Endocrine and Metabolic Diseases, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai National Clinical Research Center for Metabolic Diseases, Key Laboratory for Endocrine and Metabolic Diseases of the National Health Commission of the People's Republic of China, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai Key Laboratory for Endocrine Tumor, State Key Laboratory of Medical Genomics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Fuyun Kang
- Department of Endocrine and Metabolic Diseases, Shanghai Institute of Endocrine and Metabolic Diseases, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai National Clinical Research Center for Metabolic Diseases, Key Laboratory for Endocrine and Metabolic Diseases of the National Health Commission of the People's Republic of China, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai Key Laboratory for Endocrine Tumor, State Key Laboratory of Medical Genomics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jiaxi Song
- Department of Endocrine and Metabolic Diseases, Shanghai Institute of Endocrine and Metabolic Diseases, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai National Clinical Research Center for Metabolic Diseases, Key Laboratory for Endocrine and Metabolic Diseases of the National Health Commission of the People's Republic of China, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai Key Laboratory for Endocrine Tumor, State Key Laboratory of Medical Genomics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Min Xu
- Department of Endocrine and Metabolic Diseases, Shanghai Institute of Endocrine and Metabolic Diseases, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai National Clinical Research Center for Metabolic Diseases, Key Laboratory for Endocrine and Metabolic Diseases of the National Health Commission of the People's Republic of China, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai Key Laboratory for Endocrine Tumor, State Key Laboratory of Medical Genomics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Guang Ning
- Department of Endocrine and Metabolic Diseases, Shanghai Institute of Endocrine and Metabolic Diseases, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai National Clinical Research Center for Metabolic Diseases, Key Laboratory for Endocrine and Metabolic Diseases of the National Health Commission of the People's Republic of China, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai Key Laboratory for Endocrine Tumor, State Key Laboratory of Medical Genomics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jian Wang
- International Peace Maternity and Child Health Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Weiqing Wang
- Department of Endocrine and Metabolic Diseases, Shanghai Institute of Endocrine and Metabolic Diseases, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai National Clinical Research Center for Metabolic Diseases, Key Laboratory for Endocrine and Metabolic Diseases of the National Health Commission of the People's Republic of China, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai Key Laboratory for Endocrine Tumor, State Key Laboratory of Medical Genomics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Qidi Wang
- Department of Endocrine and Metabolic Diseases, Shanghai Institute of Endocrine and Metabolic Diseases, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai National Clinical Research Center for Metabolic Diseases, Key Laboratory for Endocrine and Metabolic Diseases of the National Health Commission of the People's Republic of China, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai Key Laboratory for Endocrine Tumor, State Key Laboratory of Medical Genomics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Sino-French Research Center for Life Sciences and Genomics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
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Xu Y, Xu T, Huang Y, Wan J, Jiang Z. Silencing hsa_circ_0032449 inhibits the pancreatic differentiation of human embryonic stem cells via the hsa_miR-195-5p/CCND1/PI3K/AKT signaling pathway. Exp Cell Res 2024; 434:113879. [PMID: 38072304 DOI: 10.1016/j.yexcr.2023.113879] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Revised: 12/02/2023] [Accepted: 12/05/2023] [Indexed: 12/17/2023]
Abstract
Stem cell-derived β cells (SC-β cells) differentiated from stem cell-derived pancreatic progenitor (PP) cells are promising tools for enabling normal glucose control of islet transplants and have therapeutic potential for type 1 diabetes treatment. Pancreatic specification is essential for SC-β cell induction in vitro and low-quality PP cells may convert into derivatives of non-pancreatic lineages both in vivo and in vitro, impeding PP-derived β cell safety and differentiation efficiency. Circular RNA (circRNA) commonly determines the fate of stem cells by acting as competing endogenous RNA (ceRNA). Currently, the relationships between endogenous circRNA and pancreatic specification remain elusive. Herein, we used whole transcriptome sequencing analysis and functional experiments to reveal that deficiency of hsa_circ_0032449 resulted in posterior foregut-derived PP cells with a weakened the progenitor state with decreased expression of PDX1, NKX6.1 and CCND1. As differentiation processed into maturation, silencing of hsa_circ_0032449 suppressed PP cell development into functionally mature and glucose-responsive SC-β cells. These SC-β cells exhibited lower serum C-peptide levels compared with those of control groups in nude mice and had difficulties in reversing hyperglycemia in STZ-induced diabetic nude mice. Mechanistically, loss of hsa_circ_0032449 participated in PI3K-AKT signaling transduction by acting as a ceRNA to sponge miR-195-5p and by influencing the expression of the downstream target CCND1 at transcription and translation levels. Overall, our findings identified hsa_circ_0032449 as an essential PP cell-fate specification regulator, indicating a promising potential in clinical applications and basic research.
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Affiliation(s)
- Yang Xu
- Center of Gallbladder Disease, Shanghai East Hospital, Institute of Gallstone Disease, School of Medicine, Tongji University, Shanghai 200092, China
| | - Tianxin Xu
- Department of Hepatobiliary and Pancreatic Surgery, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong 226001, China; Research Center of Clinical Medicine, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong 226001, China
| | - Yan Huang
- Department of Hepatobiliary and Pancreatic Surgery, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong 226001, China; Research Center of Clinical Medicine, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong 226001, China
| | - Jian Wan
- Department of Hepatobiliary and Pancreatic Surgery, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong 226001, China; Research Center of Clinical Medicine, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong 226001, China.
| | - Zhaoyan Jiang
- Center of Gallbladder Disease, Shanghai East Hospital, Institute of Gallstone Disease, School of Medicine, Tongji University, Shanghai 200092, China.
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19
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Wang Y, Ding H, Guo C, Bao Q, Li D, Xiong Y. LncRNA Malat1 regulates iPSC-derived β-cell differentiation by targeting the miR-15b-5p/Ihh axis. Cell Signal 2024; 113:110975. [PMID: 37972802 DOI: 10.1016/j.cellsig.2023.110975] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Revised: 10/18/2023] [Accepted: 11/13/2023] [Indexed: 11/19/2023]
Abstract
BACKGROUND Differentiation of induced pluripotent stem cells (iPSCs)-derived β-like cells is a novel strategy for treatment of type 1 diabetes. Elucidation of the regulatory mechanisms of long noncoding RNAs (lncRNAs) in β-like cells derived from iPSCs is important for understanding the development of the pancreas and pancreatic β-cells and may improve the quality of β-like cells for stem cell therapy. METHODS β-like cells were derived from iPSCs in a three-step protocol. RNA sequencing and bioinformatics analysis were carried out to screen the differentially expressed lncRNAs and identify the putative target genes separately. LncRNA Malat1 was chosen for further research. Series of loss and gain of functions experiments were performed to study the biological function of LncRNA Malat1. Quantitative real-time PCR (qRT-PCR), Western blot (WB) analysis and immunofluorescence (IF) staining were carried out to separately detect the functions of pancreatic β-cells at the mRNA and protein levels. Cytoplasmic and nuclear RNA fractionation and fluorescence in situ hybridization (FISH) were used to determine the subcellar location of lncRNA Malat1 in β-like cells. Enzyme-linked immunosorbent assays (ELISAs) were performed to examine the differentiation and insulin secretion of β-like cells after stimulation with different glucose concentrations. Structural interactions between lncRNA Malat1 and miR-15b-5p and between miR-15b-5p/Ihh were detected by dual luciferase reporter assays (LRAs). RESULTS We found that the expression of lncRNA Malat1 declined during differentiation, and overexpression (OE) of lncRNA Malat1 notably impaired the differentiation and maturation of β-like cells derived from iPSCs in vitro and in vivo. Most importantly, lncRNA Malat1 could function as a competing endogenous RNA (ceRNA) of miR-15b-5p to regulate the expression of Ihh according to bioinformatics prediction, mechanistic analysis and downstream experiments. CONCLUSION This study established an unreported regulatory network of lncRNA Malat1 and the miR-15b-5p/Ihh axis during the differentiation of iPSCs into β-like cells. In addition to acting as an oncogene promoting tumorigenesis, lncRNA Malat1 may be an effective and novel target for treatment of diabetes in the future.
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Affiliation(s)
- Yao Wang
- Department of Hepatobiliary and Pancreatic Surgery, Affiliated Hospital of Nantong University, Nantong 226001, China; Research Center of Clinical Medicine, Affiliated Hospital of Nantong University, Nantong 226001, China
| | - Haoxiang Ding
- Nantong University Medical School, Nantong 226001, China
| | - Chengfeng Guo
- Nantong University Medical School, Nantong 226001, China
| | - Qian Bao
- Nantong University Medical School, Nantong 226001, China
| | - Dongqian Li
- Nantong University Medical School, Nantong 226001, China
| | - Yicheng Xiong
- Department of Hepatobiliary and Pancreatic Surgery, Affiliated Hospital of Nantong University, Nantong 226001, China.
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20
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Huang Z, Ma Y, Sun Z, Cheng L, Wang G. Ferroptosis: potential targets and emerging roles in pancreatic diseases. Arch Toxicol 2024; 98:75-94. [PMID: 37934210 DOI: 10.1007/s00204-023-03625-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Accepted: 10/11/2023] [Indexed: 11/08/2023]
Abstract
Ferroptosis is a newly discovered form of regulatory cell death characterized by excessive iron-dependent lipid peroxidation. In the past decade, significant breakthroughs have been made in comprehending the features and regulatory mechanisms of ferroptosis, and it has been confirmed that ferroptosis plays a pivotal role in the pathophysiological processes of various diseases, including tumors, inflammation, neurodegenerative diseases, and infectious diseases. The pancreas, which is the second largest digestive gland in the human body and has both endocrine and exocrine functions, is a vital organ for controlling digestion and metabolism. In recent years, numerous studies have confirmed that ferroptosis is closely related to pancreatic diseases, which is attributed to abnormal iron accumulation, as an essential biochemical feature of ferroptosis, is often present in the pathological processes of various pancreatic exocrine and endocrine diseases and the vulnerability of the pancreas to oxidative stress stimulation and damage. Therefore, comprehending the regulatory mechanism of ferroptosis in pancreatic diseases may provide valuable new insights into treatment strategies. In this review, we first summarize the hallmark features of ferroptosis and then analyze the exact mechanisms by which ferroptosis is precisely regulated at multiple levels and links, including iron metabolism, lipid metabolism, the GPX4-mediated ferroptosis defense system, the GPX4-independent ferroptosis defense system, and the regulation of autophagy on ferroptosis. Finally, we discuss the role of ferroptosis in the occurrence and development of pancreatic diseases and summarize the feasibility and limitations of ferroptosis as a therapeutic target for pancreatic diseases.
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Affiliation(s)
- Zijian Huang
- Department of Pancreatic and Biliary Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, 150001, Heilongjiang, China
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, The First Affiliated Hospital of Harbin Medical University, Harbin, 150001, Heilongjiang, China
| | - Yuan Ma
- Medical Department, The First Affifiliated Hospital of Harbin Medical University, Harbin, 150001, Heilongjiang, China
| | - Zhiguo Sun
- Department of General Surgery, The Affiliated Hongqi Hospital of Mudanjiang Medical University, Mudanjiang, 157011, Heilongjiang, China
| | - Long Cheng
- Department of Pancreatic and Biliary Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, 150001, Heilongjiang, China
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, The First Affiliated Hospital of Harbin Medical University, Harbin, 150001, Heilongjiang, China
| | - Gang Wang
- Department of Pancreatic and Biliary Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, 150001, Heilongjiang, China.
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21
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Wang S, Dong X, Maazi M, Chen N, Mahil A, Kopp JL. GABA treatment does not induce neogenesis of new endocrine cells from pancreatic ductal cells. Islets 2023; 15:2219477. [PMID: 37258189 DOI: 10.1080/19382014.2023.2219477] [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] [Received: 02/08/2023] [Revised: 05/25/2023] [Accepted: 05/25/2023] [Indexed: 06/02/2023] Open
Abstract
Previous studies indicated that ductal cells can contribute to endocrine neogenesis in adult rodents after alpha cells convert into beta cells. This can occur through Pax4 mis-expression in alpha cells or through long-term administration of gamma-aminobutyric acid (GABA) to healthy mice. GABA has also been reported to increase the number of beta cells through direct effects on their proliferation, but only in specific genetic mouse backgrounds. To test whether GABA induces neogenesis of beta cells from ductal cells or affects pancreatic cell proliferation, we administered GABA or saline over 2 or 6 months to Sox9CreER;R26RYFP mice in which 60-80% of large or small ducts were efficiently lineage labeled. We did not observe any increases in islet neogenesis from ductal cells between 1 and 2 months of age in saline treated mice, nor between 2 and 6 months of saline treatment, supporting previous studies indicating that adult ductal cells do not give rise to new endocrine cells during homeostasis. Unlike previous reports, we did not observe an increase in beta cell neogenesis after 2 or 6 months of GABA administration. Nor did we observe a significant increase in the pancreatic islet area, the number of insulin and glucagon double positive cells, or cell proliferation in the pancreas. This indicates that the effect of long term GABA administration on the pancreas is minimal or highly context dependent.
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Affiliation(s)
- Shihao Wang
- Department of Cellular and Physiological Sciences, Life Sciences Institute, University of British Columbia, Vancouver, BC, Canada
| | - Xin Dong
- Department of Cellular and Physiological Sciences, Life Sciences Institute, University of British Columbia, Vancouver, BC, Canada
| | - Mahan Maazi
- Department of Cellular and Physiological Sciences, Life Sciences Institute, University of British Columbia, Vancouver, BC, Canada
| | - Nan Chen
- Department of Cellular and Physiological Sciences, Life Sciences Institute, University of British Columbia, Vancouver, BC, Canada
| | - Amar Mahil
- Department of Cellular and Physiological Sciences, Life Sciences Institute, University of British Columbia, Vancouver, BC, Canada
| | - Janel L Kopp
- Department of Cellular and Physiological Sciences, Life Sciences Institute, University of British Columbia, Vancouver, BC, Canada
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22
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Simon Machado R, Mathias K, Joaquim L, Willig de Quadros R, Petronilho F, Tezza Rezin G. From diabetic hyperglycemia to cerebrovascular Damage: A narrative review. Brain Res 2023; 1821:148611. [PMID: 37793604 DOI: 10.1016/j.brainres.2023.148611] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Revised: 09/04/2023] [Accepted: 09/28/2023] [Indexed: 10/06/2023]
Abstract
Diabetes mellitus is a globally significant disease that can lead to systemic complications, particularly vascular damage, including cardiovascular and cerebrovascular diseases of relevance. The physiological changes resulting from the imbalance in blood glucose levels play a crucial role in initiating vascular endothelial damage. Elevated glucose levels can also penetrate the central nervous system, triggering diabetic encephalopathy characterized by oxidative damage to brain components and activation of alternative and neurotoxic pathways. This brain damage increases the risk of ischemic stroke, a leading cause of mortality worldwide and a major cause of disability among surviving patients. The aim of this review is to highlight important pathways related to hyperglycemic damage that extend to the brain and result in vascular dysfunction, ultimately leading to the occurrence of a stroke. Understanding how diabetes mellitus contributes to the development of ischemic stroke and its impact on patient outcomes is crucial for implementing therapeutic strategies that reduce the incidence of diabetes mellitus and its complications, ultimately decreasing morbidity and mortality associated with the disease.
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Affiliation(s)
- Richard Simon Machado
- Laboratory of Experimental Neurology, Graduate Program in Health Sciences, Health Sciences Unit, University of Southern Santa Catarina, Criciuma, SC, Brazil; Laboratory of Neurobiology of Inflammatory and Metabolic Processes, Graduate Program in Health Sciences, Health Sciences Unit, University of South Santa Catarina, Tubarão, SC, Brazil.
| | - Khiany Mathias
- Laboratory of Experimental Neurology, Graduate Program in Health Sciences, Health Sciences Unit, University of Southern Santa Catarina, Criciuma, SC, Brazil
| | - Larissa Joaquim
- Laboratory of Experimental Neurology, Graduate Program in Health Sciences, Health Sciences Unit, University of Southern Santa Catarina, Criciuma, SC, Brazil
| | - Rafaella Willig de Quadros
- Laboratory of Experimental Neurology, Graduate Program in Health Sciences, Health Sciences Unit, University of Southern Santa Catarina, Criciuma, SC, Brazil
| | - Fabricia Petronilho
- Laboratory of Experimental Neurology, Graduate Program in Health Sciences, Health Sciences Unit, University of Southern Santa Catarina, Criciuma, SC, Brazil
| | - Gislaine Tezza Rezin
- Laboratory of Neurobiology of Inflammatory and Metabolic Processes, Graduate Program in Health Sciences, Health Sciences Unit, University of South Santa Catarina, Tubarão, SC, Brazil
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23
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Abidov M, Sokolova K, Danilova I, Baykenova M, Gette I, Mychlynina E, Aydin Ozgur B, Gurol AO, Yilmaz MT. Hepatic insulin synthesis increases in rat models of diabetes mellitus type 1 and 2 differently. PLoS One 2023; 18:e0294432. [PMID: 38019818 PMCID: PMC10686419 DOI: 10.1371/journal.pone.0294432] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2023] [Accepted: 11/01/2023] [Indexed: 12/01/2023] Open
Abstract
Insulin-positive (+) cells (IPCs), detected in multiple organs, are of great interest as a probable alternative to ameliorate pancreatic beta-cells dysfunction and insulin deficiency in diabetes. Liver is a potential source of IPCs due to it common embryological origin with pancreas. We previously demonstrated the presence of IPCs in the liver of healthy and diabetic rats, but detailed description and analysis of the factors, which potentially can induced ectopic hepatic expression of insulin in type 1 (T1D) and type 2 diabetes (T2D), were not performed. In present study we evaluate mass of hepatic IPCs in the rat models of T1D and T2D and discuss factors, which may stimulate it generation: glycaemia, organ injury, involving of hepatic stem/progenitor cell compartment, expression of transcription factors and inflammation. Quantity of IPCs in the liver was up by 1.7-fold in rats with T1D and 10-fold in T2D compared to non-diabetic (ND) rats. We concluded that ectopic hepatic expression of insulin gene is activated by combined action of a number of factors, with inflammation playing a decision role.
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Affiliation(s)
- Musa Abidov
- Institute of Immunopathology and Preventive Medicine, Ljubljana, Slovenia
| | - Ksenia Sokolova
- Institute of Immunology and Physiology, Ural Branch of the Russian Academy of Sciences, Yekaterinburg, Russian Federation
| | - Irina Danilova
- Institute of Immunology and Physiology, Ural Branch of the Russian Academy of Sciences, Yekaterinburg, Russian Federation
| | - Madina Baykenova
- Kostanay Oblast Tuberculosis Dispensary, Kostanay, Republic of Kazakhstan
| | - Irina Gette
- Institute of Immunology and Physiology, Ural Branch of the Russian Academy of Sciences, Yekaterinburg, Russian Federation
| | - Elena Mychlynina
- Institute of Immunology and Physiology, Ural Branch of the Russian Academy of Sciences, Yekaterinburg, Russian Federation
| | - Burcin Aydin Ozgur
- Department of Medical Biology and Genetics, Faculty of Medicine, Demiroglu Bilim University, Istanbul, Turkey
- Diabetes Application and Research Center, Demiroglu Bilim University, Istanbul, Turkey
| | - Ali Osman Gurol
- Department of Immunology, Aziz Sancar Institute of Experimental Medicine, Istanbul University, Istanbul, Turkey
- Diabetes Application and Research Center, Istanbul University, Istanbul, Turkey
| | - M. Temel Yilmaz
- International Diabetes Center, Acibadem University, Istanbul, Turkey
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24
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Cota P, Saber L, Taskin D, Jing C, Bastidas-Ponce A, Vanheusden M, Shahryari A, Sterr M, Burtscher I, Bakhti M, Lickert H. NEUROD2 function is dispensable for human pancreatic β cell specification. Front Endocrinol (Lausanne) 2023; 14:1286590. [PMID: 37955006 PMCID: PMC10634430 DOI: 10.3389/fendo.2023.1286590] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Accepted: 10/09/2023] [Indexed: 11/14/2023] Open
Abstract
Introduction The molecular programs regulating human pancreatic endocrine cell induction and fate allocation are not well deciphered. Here, we investigated the spatiotemporal expression pattern and the function of the neurogenic differentiation factor 2 (NEUROD2) during human endocrinogenesis. Methods Using Crispr-Cas9 gene editing, we generated a reporter knock-in transcription factor (TF) knock-out human inducible pluripotent stem cell (iPSC) line in which the open reading frame of both NEUROD2 alleles are replaced by a nuclear histone 2B-Venus reporter (NEUROD2nVenus/nVenus). Results We identified a transient expression of NEUROD2 mRNA and its nuclear Venus reporter activity at the stage of human endocrine progenitor formation in an iPSC differentiation model. This expression profile is similar to what was previously reported in mice, uncovering an evolutionarily conserved gene expression pattern of NEUROD2 during endocrinogenesis. In vitro differentiation of the generated homozygous NEUROD2nVenus/nVenus iPSC line towards human endocrine lineages uncovered no significant impact upon the loss of NEUROD2 on endocrine cell induction. Moreover, analysis of endocrine cell specification revealed no striking changes in the generation of insulin-producing b cells and glucagon-secreting a cells upon lack of NEUROD2. Discussion Overall, our results suggest that NEUROD2 is expendable for human b cell formation in vitro.
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Affiliation(s)
- Perla Cota
- Institute of Diabetes and Regeneration Research, Helmholtz Munich, Neuherberg, Germany
- German Center for Diabetes Research (DZD), Neuherberg, Germany
- School of Medicine, Technical University of Munich (TUM), Munich, Germany
| | - Lama Saber
- Institute of Diabetes and Regeneration Research, Helmholtz Munich, Neuherberg, Germany
- German Center for Diabetes Research (DZD), Neuherberg, Germany
- School of Medicine, Technical University of Munich (TUM), Munich, Germany
| | - Damla Taskin
- Institute of Diabetes and Regeneration Research, Helmholtz Munich, Neuherberg, Germany
| | - Changying Jing
- Institute of Diabetes and Regeneration Research, Helmholtz Munich, Neuherberg, Germany
- German Center for Diabetes Research (DZD), Neuherberg, Germany
- Munich Medical Research School (MMRS), Ludwig Maximilian University (LMU), Munich, Germany
| | - Aimée Bastidas-Ponce
- Institute of Diabetes and Regeneration Research, Helmholtz Munich, Neuherberg, Germany
- German Center for Diabetes Research (DZD), Neuherberg, Germany
| | - Matthew Vanheusden
- Institute of Diabetes and Regeneration Research, Helmholtz Munich, Neuherberg, Germany
| | - Alireza Shahryari
- Institute of Diabetes and Regeneration Research, Helmholtz Munich, Neuherberg, Germany
| | - Michael Sterr
- Institute of Diabetes and Regeneration Research, Helmholtz Munich, Neuherberg, Germany
- German Center for Diabetes Research (DZD), Neuherberg, Germany
| | - Ingo Burtscher
- Institute of Diabetes and Regeneration Research, Helmholtz Munich, Neuherberg, Germany
- German Center for Diabetes Research (DZD), Neuherberg, Germany
| | - Mostafa Bakhti
- Institute of Diabetes and Regeneration Research, Helmholtz Munich, Neuherberg, Germany
- German Center for Diabetes Research (DZD), Neuherberg, Germany
| | - Heiko Lickert
- Institute of Diabetes and Regeneration Research, Helmholtz Munich, Neuherberg, Germany
- German Center for Diabetes Research (DZD), Neuherberg, Germany
- School of Medicine, Technical University of Munich (TUM), Munich, Germany
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25
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Cristelo C, Nunes R, Pinto S, Marques JM, Gama FM, Sarmento B. Targeting β Cells with Cathelicidin Nanomedicines Improves Insulin Function and Pancreas Regeneration in Type 1 Diabetic Rats. ACS Pharmacol Transl Sci 2023; 6:1544-1560. [PMID: 37854630 PMCID: PMC10580391 DOI: 10.1021/acsptsci.3c00218] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2023] [Indexed: 10/20/2023]
Abstract
Type 1 diabetes (T1D) is an incurable condition with an increasing incidence worldwide, in which the hallmark is the autoimmune destruction of pancreatic insulin-producing β cells. Cathelicidin-based peptides have been shown to improve β cell function and neogenesis and may thus be relevant while developing T1D therapeutics. In this work, a cathelicidin-derived peptide, LLKKK18, was loaded in poly(lactic-co-glycolic acid) (PLGA) nanoparticles (NPs), surface-functionalized with exenatide toward a GLP-1 receptor, aiming the β cell-targeted delivery of the peptide. The NPs present a mean size of around 100 nm and showed long-term stability, narrow size distribution, and negative ζ-potential (-10 mV). The LLKKK18 association efficiency and loading were 62 and 2.9%, respectively, presenting slow and sustained in vitro release under simulated physiologic fluids. Glucose-stimulated insulin release in the INS-1E cell line was observed in the presence of the peptide. In addition, NPs showed a strong association with β cells from isolated rat islets. After administration to diabetic rats, NPs induced a significant reduction of the hyperglycemic state, an improvement in the pancreatic insulin content, and glucose tolerance. Also remarkable, a considerable increase in the β cell mass in the pancreas was observed. Overall, this novel and versatile nanomedicine showed glucoregulatory ability and can pave the way for the development of a new generation of therapeutic approaches for T1D treatment.
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Affiliation(s)
- Cecília Cristelo
- i3S
− Instituto de Investigação e Inovação
em Saúde, Universidade do Porto, Porto 4200-135, Portugal
- Centro
de Engenharia Biológica, Universidade
do Minho, Campus de Gualtar, Braga 4710-057, Portugal
- ICBAS
− Instituto de Ciências Biomédicas Abel Salazar, Universidade do Porto, Porto 4050-313, Portugal
| | - Rute Nunes
- i3S
− Instituto de Investigação e Inovação
em Saúde, Universidade do Porto, Porto 4200-135, Portugal
- IUCS-CESPU, Instituto
Universitário de Ciências
da Saúde, Gandra 4585-116, Portugal
| | - Soraia Pinto
- i3S
− Instituto de Investigação e Inovação
em Saúde, Universidade do Porto, Porto 4200-135, Portugal
- ICBAS
− Instituto de Ciências Biomédicas Abel Salazar, Universidade do Porto, Porto 4050-313, Portugal
| | - Joana Moreira Marques
- i3S
− Instituto de Investigação e Inovação
em Saúde, Universidade do Porto, Porto 4200-135, Portugal
- Faculdade
de Farmácia, Universidade do Porto, Porto 4099-002, Portugal
| | - Francisco Miguel Gama
- Centro
de Engenharia Biológica, Universidade
do Minho, Campus de Gualtar, Braga 4710-057, Portugal
| | - Bruno Sarmento
- i3S
− Instituto de Investigação e Inovação
em Saúde, Universidade do Porto, Porto 4200-135, Portugal
- IUCS-CESPU, Instituto
Universitário de Ciências
da Saúde, Gandra 4585-116, Portugal
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26
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Hirano M, Yamada Y. Reprogramming of pancreatic islet cells for regeneration and rejuvenation. Curr Opin Genet Dev 2023; 82:102099. [PMID: 37611379 DOI: 10.1016/j.gde.2023.102099] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Revised: 07/13/2023] [Accepted: 07/19/2023] [Indexed: 08/25/2023]
Abstract
The pancreatic β cell, which produces insulin, is a terminally differentiated cell type that divides rarely. Consequently, the regenerative ability of β cells is limited and irreversible diabetes occurs after severe loss of β-cell function. In view of such poor regenerative capacity, considerable research efforts have been made to promote the expansion of functional insulin-producing cells as a regenerative therapy for diabetes. Here, we discuss recent findings regarding the robust expansion of functional mature islet cells both in vivo and ex vivo through MYCL-mediated reprogramming. We also describe the potential prospects for the application of reprogramming technologies to regenerative therapy and rejuvenation of islet cells.
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Affiliation(s)
- Michitada Hirano
- Department of Molecular Pathology, Graduate School of Medicine, The University of Tokyo, Tokyo 113-0033, Japan
| | - Yasuhiro Yamada
- Department of Molecular Pathology, Graduate School of Medicine, The University of Tokyo, Tokyo 113-0033, Japan.
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27
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Romero A, Heidenreich AC, Román CL, Algañarás M, Nazer E, Gagliardino JJ, Maiztegui B, Flores LE, Rodríguez-Seguí SA. Transcriptional signature of islet neogenesis-associated protein peptide-treated rat pancreatic islets reveals induction of novel long non-coding RNAs. Front Endocrinol (Lausanne) 2023; 14:1226615. [PMID: 37842306 PMCID: PMC10570750 DOI: 10.3389/fendo.2023.1226615] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/21/2023] [Accepted: 09/06/2023] [Indexed: 10/17/2023] Open
Abstract
Background Diabetes mellitus is characterized by chronic hyperglycemia with loss of β-cell function and mass. An attractive therapeutic approach to treat patients with diabetes in a non-invasive way is to harness the innate regenerative potential of the pancreas. The Islet Neogenesis-Associated Protein pentadecapeptide (INGAP-PP) has been shown to induce β-cell regeneration and improve their function in rodents. To investigate its possible mechanism of action, we report here the global transcriptional effects induced by the short-term INGAP-PP in vitro treatment of adult rat pancreatic islets. Methods and findings Rat pancreatic islets were cultured in vitro in the presence of INGAP-PP for 4 days, and RNA-seq was generated from triplicate treated and control islet samples. We performed a de novo rat gene annotation based on the alignment of RNA-seq reads. The list of INGAP-PP-regulated genes was integrated with epigenomic data. Using the new gene annotation generated in this work, we quantified RNA-seq data profiled in INS-1 cells treated with IL1β, IL1β+Calcipotriol (a vitamin D agonist) or vehicle, and single-cell RNA-seq data profiled in rat pancreatic islets. We found 1,669 differentially expressed genes by INGAP-PP treatment, including dozens of previously unannotated rat transcripts. Genes differentially expressed by the INGAP-PP treatment included a subset of upregulated transcripts that are associated with vitamin D receptor activation. Supported by epigenomic and single-cell RNA-seq data, we identified 9 previously unannotated long noncoding RNAs (lncRNAs) upregulated by INGAP-PP, some of which are also differentially regulated by IL1β and vitamin D in β-cells. These include Ri-lnc1, which is enriched in mature β-cells. Conclusions Our results reveal the transcriptional program that could explain the enhancement of INGAP-PP-mediated physiological effects on β-cell mass and function. We identified novel lncRNAs that are induced by INGAP-PP in rat islets, some of which are selectively expressed in pancreatic β-cells and downregulated by IL1β treatment of INS-1 cells. Our results suggest a relevant function for Ri-lnc1 in β-cells. These findings are expected to provide the basis for a deeper understanding of islet translational results from rodents to humans, with the ultimate goal of designing new therapies for people with diabetes.
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Affiliation(s)
- Agustín Romero
- Instituto de Fisiología, Biología Molecular y Neurociencias (IFIBYNE), CONICET-Universidad de Buenos Aires, Ciudad Universitaria, Buenos Aires, Argentina
- Departamento de Fisiología, Biología Molecular y Celular, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Ana C. Heidenreich
- Instituto de Fisiología, Biología Molecular y Neurociencias (IFIBYNE), CONICET-Universidad de Buenos Aires, Ciudad Universitaria, Buenos Aires, Argentina
- Departamento de Fisiología, Biología Molecular y Celular, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Carolina L. Román
- Centro de Endocrinología Experimental y Aplicada (CENEXA) - Universidad Nacional de La Plata (UNLP) - CONICET- Centro Asociado a la Comisión de Investigaciones Científicas de la Provincia de Buenos Aires (CeAs CICPBA), Facultad de Ciencias Médicas UNLP, La Plata, Argentina
| | - Macarena Algañarás
- Centro de Endocrinología Experimental y Aplicada (CENEXA) - Universidad Nacional de La Plata (UNLP) - CONICET- Centro Asociado a la Comisión de Investigaciones Científicas de la Provincia de Buenos Aires (CeAs CICPBA), Facultad de Ciencias Médicas UNLP, La Plata, Argentina
| | - Ezequiel Nazer
- Instituto de Fisiología, Biología Molecular y Neurociencias (IFIBYNE), CONICET-Universidad de Buenos Aires, Ciudad Universitaria, Buenos Aires, Argentina
| | - Juan J. Gagliardino
- Centro de Endocrinología Experimental y Aplicada (CENEXA) - Universidad Nacional de La Plata (UNLP) - CONICET- Centro Asociado a la Comisión de Investigaciones Científicas de la Provincia de Buenos Aires (CeAs CICPBA), Facultad de Ciencias Médicas UNLP, La Plata, Argentina
| | - Bárbara Maiztegui
- Centro de Endocrinología Experimental y Aplicada (CENEXA) - Universidad Nacional de La Plata (UNLP) - CONICET- Centro Asociado a la Comisión de Investigaciones Científicas de la Provincia de Buenos Aires (CeAs CICPBA), Facultad de Ciencias Médicas UNLP, La Plata, Argentina
| | - Luis E. Flores
- Centro de Endocrinología Experimental y Aplicada (CENEXA) - Universidad Nacional de La Plata (UNLP) - CONICET- Centro Asociado a la Comisión de Investigaciones Científicas de la Provincia de Buenos Aires (CeAs CICPBA), Facultad de Ciencias Médicas UNLP, La Plata, Argentina
| | - Santiago A. Rodríguez-Seguí
- Instituto de Fisiología, Biología Molecular y Neurociencias (IFIBYNE), CONICET-Universidad de Buenos Aires, Ciudad Universitaria, Buenos Aires, Argentina
- Departamento de Fisiología, Biología Molecular y Celular, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina
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28
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Shields MA, Metropulos AE, Spaulding C, Hirose T, Ohno S, Pham TN, Munshi HG. BET inhibition rescues ciliogenesis and ameliorates pancreatitis-driven phenotypic changes in mice with Par3 loss. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.09.14.557654. [PMID: 37745543 PMCID: PMC10515915 DOI: 10.1101/2023.09.14.557654] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 09/26/2023]
Abstract
The apical-basal polarity of pancreatic acinar cells is essential for maintaining tissue architecture. However, the mechanisms by which polarity proteins regulate acinar pancreas tissue homeostasis are poorly understood. Here, we evaluate the role of Par3 in acinar pancreas injury and homeostasis. While Par3 loss in the mouse pancreas disrupts tight junctions, Par3 loss is dispensable for pancreatogenesis. However, with aging, Par3 loss results in low-grade inflammation, acinar degeneration, and pancreatic lipomatosis. Par3 loss also exacerbates pancreatitis-induced acinar cell loss, resulting in pronounced pancreatic lipomatosis and failure to regenerate. Moreover, Par3 loss in mice harboring mutant Kras causes extensive pancreatic intraepithelial neoplastic (PanIN) lesions and large pancreatic cysts. We also show that Par3 loss restricts injury-induced primary ciliogenesis. Significantly, targeting BET proteins enhances primary ciliogenesis during pancreatitis-induced injury and, in mice with Par3 loss, limits pancreatitis-induced acinar loss and facilitates acinar cell regeneration. Combined, this study demonstrates how Par3 restrains pancreatitis- and Kras-induced changes in the pancreas and identifies a potential role for BET inhibitors to attenuate pancreas injury and facilitate pancreas tissue regeneration.
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Affiliation(s)
- Mario A. Shields
- Department of Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
- The Robert H. Lurie Comprehensive Cancer Center, Chicago, IL, USA
| | - Anastasia E. Metropulos
- Department of Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
- Jesse Brown VA Medical Center, Chicago, IL, USA
| | - Christina Spaulding
- Department of Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
- Jesse Brown VA Medical Center, Chicago, IL, USA
| | - Tomonori Hirose
- Department of Molecular Biology, Yokohama City University School of Medicine, Yokohama, Japan
- Department of Cell Biology, Cancer Institute, Japanese Foundation for Cancer Research, Tokyo, Japan
| | - Shigeo Ohno
- Department of Molecular Biology, Yokohama City University School of Medicine, Yokohama, Japan
| | - Thao N.D. Pham
- Department of Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
- The Robert H. Lurie Comprehensive Cancer Center, Chicago, IL, USA
| | - Hidayatullah G. Munshi
- Department of Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
- The Robert H. Lurie Comprehensive Cancer Center, Chicago, IL, USA
- Jesse Brown VA Medical Center, Chicago, IL, USA
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Ma Z, Zhang X, Zhong W, Yi H, Chen X, Zhao Y, Ma Y, Song E, Xu T. Deciphering early human pancreas development at the single-cell level. Nat Commun 2023; 14:5354. [PMID: 37660175 PMCID: PMC10475098 DOI: 10.1038/s41467-023-40893-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2022] [Accepted: 08/15/2023] [Indexed: 09/04/2023] Open
Abstract
Understanding pancreas development can provide clues for better treatments of pancreatic diseases. However, the molecular heterogeneity and developmental trajectory of the early human pancreas are poorly explored. Here, we performed large-scale single-cell RNA sequencing and single-cell assay for transposase accessible chromatin sequencing of human embryonic pancreas tissue obtained from first-trimester embryos. We unraveled the molecular heterogeneity, developmental trajectories and regulatory networks of the major cell types. The results reveal that dorsal pancreatic multipotent cells in humans exhibit different gene expression patterns than ventral multipotent cells. Pancreato-biliary progenitors that generate ventral multipotent cells in humans were identified. Notch and MAPK signals from mesenchymal cells regulate the differentiation of multipotent cells into trunk and duct cells. Notably, we identified endocrine progenitor subclusters with different differentiation potentials. Although the developmental trajectories are largely conserved between humans and mice, some distinct gene expression patterns have also been identified. Overall, we provide a comprehensive landscape of early human pancreas development to understand its lineage transitions and molecular complexity.
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Affiliation(s)
- Zhuo Ma
- National Laboratory of Biomacromolecules, CAS Center for Excellence in Biomacromolecules, Institute of Biophysics, Chinese Academy of Sciences, Beijing, 100101, China
- College of Life Sciences, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Xiaofei Zhang
- National Laboratory of Biomacromolecules, CAS Center for Excellence in Biomacromolecules, Institute of Biophysics, Chinese Academy of Sciences, Beijing, 100101, China
- Key Laboratory of Molecular Biophysics of the Ministry of Education, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, China
- Hainan Provincial Key Laboratory for Human Reproductive Medicine and Genetic Research, Key Laboratory of Reproductive Health Diseases Research and Translation (Hainan Medical University), Ministry of Education, The First Affiliated Hospital of Hainan Medical University, Hainan Medical University, Haikou, 570102, China
| | - Wen Zhong
- Science for Life Laboratory, Department of Biomedical and Clinical Sciences (BKV), Linköping University, Linköping, 581 83, Sweden
- Department of Neuroscience, Karolinska Institutet, Stockholm, Sweden
| | - Hongyan Yi
- Hainan Provincial Key Laboratory for Human Reproductive Medicine and Genetic Research, Key Laboratory of Reproductive Health Diseases Research and Translation (Hainan Medical University), Ministry of Education, The First Affiliated Hospital of Hainan Medical University, Hainan Medical University, Haikou, 570102, China
| | - Xiaowei Chen
- Center for High Throughput Sequencing, Core Facility for Protein Research, Key Laboratory of RNA Biology, Institute of Biophysics, Chinese Academy of Sciences, Beijing, 100101, China
| | - Yinsuo Zhao
- National Laboratory of Biomacromolecules, CAS Center for Excellence in Biomacromolecules, Institute of Biophysics, Chinese Academy of Sciences, Beijing, 100101, China
| | - Yanlin Ma
- Hainan Provincial Key Laboratory for Human Reproductive Medicine and Genetic Research, Key Laboratory of Reproductive Health Diseases Research and Translation (Hainan Medical University), Ministry of Education, The First Affiliated Hospital of Hainan Medical University, Hainan Medical University, Haikou, 570102, China.
| | - Eli Song
- National Laboratory of Biomacromolecules, CAS Center for Excellence in Biomacromolecules, Institute of Biophysics, Chinese Academy of Sciences, Beijing, 100101, China.
| | - Tao Xu
- National Laboratory of Biomacromolecules, CAS Center for Excellence in Biomacromolecules, Institute of Biophysics, Chinese Academy of Sciences, Beijing, 100101, China.
- College of Life Sciences, University of Chinese Academy of Sciences, Beijing, 100049, China.
- Guangzhou Laboratory, Guangzhou, 510005, China.
- Central Hospital Affiliated to Shandong First Medical University, Jinan, 250013, China.
- Medical Science and Technology Innovation Center, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, 250062, China.
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Khalil SG, Younis NN, Shaheen MA, Hammad SK, Elswefy SE. Evaluation of in vivo and ex vivo pre-treated bone marrow-derived mesenchymal stem cells with resveratrol in streptozotocin-induced type 1 diabetic rats. J Pharm Pharmacol 2023; 75:1186-1197. [PMID: 37177978 DOI: 10.1093/jpp/rgad042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2022] [Accepted: 04/25/2023] [Indexed: 05/15/2023]
Abstract
OBJECTIVES To compare the therapeutic potential of rat bone marrow-derived mesenchymal stem cells (BM-MSCs) preconditioned ex-vivo with resveratrol (MCR) and BM-MSCs isolated from resveratrol-pre-treated rats (MTR) in type-1 diabetic rats. METHODS Type-1 diabetes was induced by a single streptozotocin injection (50 mg/kg; ip) in 24 rats. Following the confirmation of T1DM, diabetic rats were randomly divided into four groups: diabetic control (DC), diabetic rats treated with insulin subcutaneous (7.5 IU/kg/day), diabetic rats treated with MCR cells (3 × 106cells/rat, intravenous) and diabetic rats treated with MTR cells (3 × 106cells/rat, intravenous). Rats were sacrificed 4 weeks following cellular transplantation. KEY FINDINGS Untreated diabetic rats suffered from pancreatic cell damage, had high blood glucose levels, increased apoptotic, fibrosis, and oxidative stress markers and decreased survival and pancreatic regeneration parameters. Both MSCs preconditioned ex-vivo with RES and MSCs isolated from rats pre-treated with RES homed successfully in injured pancreas and showed therapeutic potential in the treatment of STZ-induced T1DM. MCR cells showed better efficiency than MTR cells. CONCLUSIONS The pre-conditioning of BM-MSCs with resveratrol may be a promising therapeutic possibility in T1DM. Resveratrol-preconditioned BM-MSCs encouraged effects almost comparable to that of exogenous insulin with the advantages of cured pancreas and restored islets not attained by insulin.
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Affiliation(s)
- S G Khalil
- Department of Biochemistry, Faculty of Pharmacy, Zagazig University, Zagazig, Egypt
| | - N N Younis
- Department of Biochemistry, Faculty of Pharmacy, Zagazig University, Zagazig, Egypt
| | - M A Shaheen
- Department of Histology and Cell Biology, Faculty of Medicine, Zagazig University, Zagazig, Egypt
| | - S K Hammad
- Department of Biochemistry, Faculty of Pharmacy, Zagazig University, Zagazig, Egypt
| | - S E Elswefy
- Department of Biochemistry, Faculty of Pharmacy, Zagazig University, Zagazig, Egypt
- Department of Biochemistry, Faculty of Pharmacy, Delta University for Science and Technology, Gamasa, Egypt
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Iftikhar A, Nausheen R, Khurshid M, Iqbal RK, Muzaffar H, Malik A, Ali Khan A, Batool F, Akhtar S, Yasin A, Anwar H. Pancreatic regenerative potential of manuka honey evidenced through pancreatic histology and levels of transcription factors in diabetic rat model. Heliyon 2023; 9:e20017. [PMID: 37809953 PMCID: PMC10559747 DOI: 10.1016/j.heliyon.2023.e20017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Revised: 08/18/2023] [Accepted: 09/08/2023] [Indexed: 10/10/2023] Open
Abstract
Background Diabetes mellitus is a commonly occurring metabolic disorder accompanied by high morbidity and alarming mortality. Besides various available therapies, induction of pancreatic regeneration has emerged as a promising strategy for alleviating the damaging effect of diabetes. Honey, a potent antioxidative and anti-inflammatory agent, has been reported in the literature archive to exhibit favourable results in the regeneration process of several organ systems. Design The current research work was intended to explore the potential role of manuka honey in pancreatic regeneration in alloxan-induced diabetic rats by accessing the pancreatic histology and levels of relevant transcription factors, including MAFA, PDX-1, INS-1, INS-2, NEUROG3, NKX6-1, and NEUROD. An equal number of rats were allocated to all four experimental groups: normal, negative control, positive control, and treatment group. Diabetes was induced in all groups except normal through a single intraperitoneal dose of alloxan monohydrate. No subsequent treatment was given to the negative control group, while the positive control and treatment groups were supplemented with metformin (150 mg/kg/day) and manuka honey (3 g/kg/day), respectively. Results Statistical comparison of glucose and insulin levels, oxidative stress indicators, changes in the architecture of pancreatic islets, and expression levels of regeneration-associated transcription factors advocated the potential role of manuka honey in ameliorating the alloxan-induced hyperglycaemia, hyperinsulinemia, oxidative stress, and necrotic changes in islets along with significant upregulation of relevant transcription factors. Conclusion This suggests to us the auspicious role of antioxidants in honey in pancreatic regeneration and advocates the favourable role of manuka honey in combating diabetes mellitus.
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Affiliation(s)
- Arslan Iftikhar
- Department of Physiology, Faculty of Life Sciences, Government College University, Faisalabad, Pakistan
| | - Rimsha Nausheen
- Department of Physiology, Faculty of Life Sciences, Government College University, Faisalabad, Pakistan
| | - Mohsin Khurshid
- Institute of Microbiology, Government College University, Faisalabad, Pakistan
| | - Rana Khalid Iqbal
- Institute of Molecular Biology and Biotechnology, Bahauddin Zakariya University, Multan, Pakistan
| | - Humaira Muzaffar
- Department of Physiology, Faculty of Life Sciences, Government College University, Faisalabad, Pakistan
| | - Abdul Malik
- Department of Pharmaceutics, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
| | - Azmat Ali Khan
- Pharmaceutical Biotechnology Laboratory, Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
| | - Farwah Batool
- Department of Physiology, Faculty of Life Sciences, Government College University, Faisalabad, Pakistan
| | - Suhail Akhtar
- Department of Biochemistry, A.T. Still University of Health Sciences, Kirksville, MO, USA
| | - Ayesha Yasin
- Department of Physiology, Faculty of Life Sciences, Government College University, Faisalabad, Pakistan
| | - Haseeb Anwar
- Department of Physiology, Faculty of Life Sciences, Government College University, Faisalabad, Pakistan
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Jiang Z, Wu F, Laise P, Takayuki T, Na F, Kim W, Kobayashi H, Chang W, Takahashi R, Valenti G, Sunagawa M, White RA, Macchini M, Renz BW, Middelhoff M, Hayakawa Y, Dubeykovskaya ZA, Tan X, Chu TH, Nagar K, Tailor Y, Belin BR, Anand A, Asfaha S, Finlayson MO, Iuga AC, Califano A, Wang TC. Tff2 defines transit-amplifying pancreatic acinar progenitors that lack regenerative potential and are protective against Kras-driven carcinogenesis. Cell Stem Cell 2023; 30:1091-1109.e7. [PMID: 37541213 PMCID: PMC10414754 DOI: 10.1016/j.stem.2023.07.002] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Revised: 04/06/2023] [Accepted: 07/07/2023] [Indexed: 08/06/2023]
Abstract
While adult pancreatic stem cells are thought not to exist, it is now appreciated that the acinar compartment harbors progenitors, including tissue-repairing facultative progenitors (FPs). Here, we study a pancreatic acinar population marked by trefoil factor 2 (Tff2) expression. Long-term lineage tracing and single-cell RNA sequencing (scRNA-seq) analysis of Tff2-DTR-CreERT2-targeted cells defines a transit-amplifying progenitor (TAP) population that contributes to normal homeostasis. Following acute and chronic injury, Tff2+ cells, distinct from FPs, undergo depopulation but are eventually replenished. At baseline, oncogenic KrasG12D-targeted Tff2+ cells are resistant to PDAC initiation. However, KrasG12D activation in Tff2+ cells leads to survival and clonal expansion following pancreatitis and a cancer stem/progenitor cell-like state. Selective ablation of Tff2+ cells prior to KrasG12D activation in Mist1+ acinar or Dclk1+ FP cells results in enhanced tumorigenesis, which can be partially rescued by adenoviral Tff2 treatment. Together, Tff2 defines a pancreatic TAP population that protects against Kras-driven carcinogenesis.
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Affiliation(s)
- Zhengyu Jiang
- Division of Digestive and Liver Diseases, Department of Medicine, College of Physicians and Surgeons, Columbia University, New York, NY, USA
| | - Feijing Wu
- Division of Digestive and Liver Diseases, Department of Medicine, College of Physicians and Surgeons, Columbia University, New York, NY, USA; The Second Affiliated Hospital of Fujian Medical University, Quanzhou, Fujian, China
| | - Pasquale Laise
- Department of Systems Biology, College of Physicians and Surgeons, Columbia University, New York, NY, USA; DarwinHealth Inc., New York, NY, USA
| | - Tanaka Takayuki
- Division of Digestive and Liver Diseases, Department of Medicine, College of Physicians and Surgeons, Columbia University, New York, NY, USA
| | - Fu Na
- Division of Digestive and Liver Diseases, Department of Medicine, College of Physicians and Surgeons, Columbia University, New York, NY, USA; Department of Traditional and Western Medical Hepatology, Third Hospital of Hebei Medical University, Shijiazhuang, China
| | - Woosook Kim
- Division of Digestive and Liver Diseases, Department of Medicine, College of Physicians and Surgeons, Columbia University, New York, NY, USA
| | - Hiroki Kobayashi
- Division of Digestive and Liver Diseases, Department of Medicine, College of Physicians and Surgeons, Columbia University, New York, NY, USA
| | - Wenju Chang
- Division of Digestive and Liver Diseases, Department of Medicine, College of Physicians and Surgeons, Columbia University, New York, NY, USA
| | - Ryota Takahashi
- Division of Digestive and Liver Diseases, Department of Medicine, College of Physicians and Surgeons, Columbia University, New York, NY, USA
| | - Giovanni Valenti
- Division of Digestive and Liver Diseases, Department of Medicine, College of Physicians and Surgeons, Columbia University, New York, NY, USA
| | - Masaki Sunagawa
- Division of Digestive and Liver Diseases, Department of Medicine, College of Physicians and Surgeons, Columbia University, New York, NY, USA
| | - Ruth A White
- Division of Hematology and Oncology, College of Physicians and Surgeons, Columbia University, New York, NY, USA
| | - Marina Macchini
- Division of Digestive and Liver Diseases, Department of Medicine, College of Physicians and Surgeons, Columbia University, New York, NY, USA
| | - Bernhard W Renz
- Division of Digestive and Liver Diseases, Department of Medicine, College of Physicians and Surgeons, Columbia University, New York, NY, USA; Department of General, Visceral, and Transplantation Surgery, LMU University Hospital, LMU Munich, Germany
| | - Moritz Middelhoff
- Division of Digestive and Liver Diseases, Department of Medicine, College of Physicians and Surgeons, Columbia University, New York, NY, USA; Division of Digestive and Liver Diseases, CU and Klinikum rechts der Isar, Technical University, Munich, Germany
| | - Yoku Hayakawa
- Graduate School of Medicine, Department of Gastroenterology, The University of Tokyo, Tokyo, Japan
| | - Zinaida A Dubeykovskaya
- Division of Digestive and Liver Diseases, Department of Medicine, College of Physicians and Surgeons, Columbia University, New York, NY, USA
| | - Xiangtian Tan
- Department of Systems Biology, College of Physicians and Surgeons, Columbia University, New York, NY, USA
| | - Timothy H Chu
- Division of Digestive and Liver Diseases, Department of Medicine, College of Physicians and Surgeons, Columbia University, New York, NY, USA
| | - Karan Nagar
- Division of Digestive and Liver Diseases, Department of Medicine, College of Physicians and Surgeons, Columbia University, New York, NY, USA
| | - Yagnesh Tailor
- Division of Digestive and Liver Diseases, Department of Medicine, College of Physicians and Surgeons, Columbia University, New York, NY, USA
| | - Bryana R Belin
- Division of Digestive and Liver Diseases, Department of Medicine, College of Physicians and Surgeons, Columbia University, New York, NY, USA
| | - Akanksha Anand
- Division of Digestive and Liver Diseases, Department of Medicine and Department of Gastroenterology II, Klinikum rechts der Isar, Technical University, Munich, Germany
| | - Samuel Asfaha
- Department of Medicine, Schulich School of Medicine and Dentistry, Western University, London, ON, Canada
| | - Michael O Finlayson
- Department of Systems Biology, College of Physicians and Surgeons, Columbia University, New York, NY, USA
| | - Alina C Iuga
- Department of Pathology and Cell Biology, College of Physicians and Surgeons, Columbia University, New York, NY, USA
| | - Andrea Califano
- Department of Systems Biology, College of Physicians and Surgeons, Columbia University, New York, NY, USA; DarwinHealth Inc., New York, NY, USA
| | - Timothy C Wang
- Division of Digestive and Liver Diseases, Department of Medicine, College of Physicians and Surgeons, Columbia University, New York, NY, USA.
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Titisari N, Fauzi A, Razak ISA, Samsulrizal N, Ahmad H. Protective potential of fish oil supplementation against insulin resistance and pancreatic islet damage in STZ-induced Wistar rats. Open Vet J 2023; 13:983-990. [PMID: 37701670 PMCID: PMC10495088 DOI: 10.5455/ovj.2023.v13.i8.4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Accepted: 07/23/2023] [Indexed: 09/14/2023] Open
Abstract
Background Fish oil, which is regarded as the primary source of omega-3 fatty acids, has been long studied for its potential as an antidiabetic therapy. However, its protective ability against insulin resistance and pancreatic islet alteration remains unclear and controversial. Aim To investigate the beneficial effects of fish oil consumption on the progression of insulin resistance and pancreatic islet dysfunction in a rat model of diabetes. Methods Diabetic rats model (n = 30) were divided into five groups and received; 1) NS injection + NS oral (normal control); 2) NS injection + 3 g/kg fish oil (fish oil control); 3) streptozotocin (STZ) injection + NS oral [diabetes control (DC)]; 4) STZ injection + 1 g/kg fish oil (DFO1); and 5) STZ injection + 3 g/kg fish oil (DFO3). Fasting blood insulin was analyzed by commercial rat insulin enzyme-linked immunosorbent assay; meanwhile, the determination of insulin sensitivity was calculated by homeostatic model assessment of insulin resistance (HOMA-IR) and homeostatic model assessment of beta-cell function. A histological study was conducted on pancreas tissue using H and E staining. Results Fish oil supplementation reduced hyperglycemia and ameliorated HOMA-IR in STZ-induced animal models indicating that fish oil supplementation improved insulin sensitivity. Furthermore, animals treated with fish oil at a dose of 3 g/kg (DFO3) showed an enhancement in pancreatic islets, which was displayed by less abnormal structures than DC animals. This could imply that the administration of fish oil, especially rich in bioactive omega-3 fatty acids effectively inhibits insulin resistance and restore islet of Langerhans alteration in rats injected with STZ. Conclusion Thus, the current study suggested that fish oil supplementation could support the treatment of diabetes but should not be considered as an alternative therapy.
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Affiliation(s)
- Nurina Titisari
- Department of Veterinary Preclinical Sciences, Faculty of Veterinary Medicine, Universiti Putra Malaysia, Serdang, Malaysia
- Department of Veterinary Physiology, Faculty of Veterinary Medicine, Universitas Brawijaya, Malang, Indonesia
| | - Ahmad Fauzi
- Department of Veterinary Clinical Pathology, Faculty of Veterinary Medicine, Universitas Brawijaya, Malang, Indonesia
| | - Intan Shameha Abdul Razak
- Department of Veterinary Preclinical Sciences, Faculty of Veterinary Medicine, Universiti Putra Malaysia, Serdang, Malaysia
| | | | - Hafandi Ahmad
- Department of Veterinary Preclinical Sciences, Faculty of Veterinary Medicine, Universiti Putra Malaysia, Serdang, Malaysia
- Institute of Tropical Agriculture and Food Safety, Universiti Putra Malaysia, Serdang, Malaysia
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Chang M, Chen W, Xia R, Peng Y, Niu P, Fan H. Pancreatic Stellate Cells and the Targeted Therapeutic Strategies in Chronic Pancreatitis. Molecules 2023; 28:5586. [PMID: 37513458 PMCID: PMC10383437 DOI: 10.3390/molecules28145586] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Revised: 07/13/2023] [Accepted: 07/18/2023] [Indexed: 07/30/2023] Open
Abstract
Chronic pancreatitis (CP) is a disease characterized by inflammatory recurrence that accompanies the development of pancreatic fibrosis. As the mystery of CP pathogenesis is gradually revealed, accumulating evidence suggests that the activation of pancreatic stellate cells (PSCs) and the appearance of a myofibroblast-like phenotype are the key gatekeepers in the development of CP. Targeting PSCs to prevent their activation and conversion to a myofibroblast-like phenotype, as well as increasing antioxidant capacity to counteract ongoing oxidative stress, are effective strategies for preventing or treating CP. Therefore, we reviewed the crosstalk between CP and pancreatic fibrosis, summarized the activation mechanisms of PSCs, and investigated potential CP therapeutic strategies targeting PSCs, including, but not limited to, anti-fibrosis therapy, antioxidant therapy, and gene therapy. Meanwhile, the above therapeutic strategies are selected in order to update the available phytopharmaceuticals as novel complementary or alternative approaches for the prevention and treatment of CP to clarify their potential mechanisms of action and their relevant molecular targets, aiming to provide the most comprehensive therapeutic treatment direction for CP and to bring new hope to CP patients.
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Affiliation(s)
- Man Chang
- Guangdong Metabolic Diseases Research Center of Integrated Chinese and Western Medicine, Guangzhou 510006, China
- Guangdong TCM Key Laboratory for Metabolic Diseases, Guangzhou 510006, China
- Key Laboratory of Glucolipid Metabolic Disorder, Ministry of Education of China, Guangzhou 510006, China
- Key Unit of Modulating Liver to Treat Hyperlipemia SATCM (State Administration of Traditional Chinese Medicine), Guangzhou 510006, China
- Institute of Chinese Medicine, Guangdong Pharmaceutical University, Guangzhou 510006, China
| | - Wenjuan Chen
- Guangdong Metabolic Diseases Research Center of Integrated Chinese and Western Medicine, Guangzhou 510006, China
- Guangdong TCM Key Laboratory for Metabolic Diseases, Guangzhou 510006, China
- Key Laboratory of Glucolipid Metabolic Disorder, Ministry of Education of China, Guangzhou 510006, China
- Key Unit of Modulating Liver to Treat Hyperlipemia SATCM (State Administration of Traditional Chinese Medicine), Guangzhou 510006, China
- Institute of Chinese Medicine, Guangdong Pharmaceutical University, Guangzhou 510006, China
| | - Ruting Xia
- Guangdong Metabolic Diseases Research Center of Integrated Chinese and Western Medicine, Guangzhou 510006, China
- Guangdong TCM Key Laboratory for Metabolic Diseases, Guangzhou 510006, China
- Key Laboratory of Glucolipid Metabolic Disorder, Ministry of Education of China, Guangzhou 510006, China
- Key Unit of Modulating Liver to Treat Hyperlipemia SATCM (State Administration of Traditional Chinese Medicine), Guangzhou 510006, China
- Institute of Chinese Medicine, Guangdong Pharmaceutical University, Guangzhou 510006, China
| | - Yangyue Peng
- Guangdong Metabolic Diseases Research Center of Integrated Chinese and Western Medicine, Guangzhou 510006, China
- Guangdong TCM Key Laboratory for Metabolic Diseases, Guangzhou 510006, China
- Key Laboratory of Glucolipid Metabolic Disorder, Ministry of Education of China, Guangzhou 510006, China
- Key Unit of Modulating Liver to Treat Hyperlipemia SATCM (State Administration of Traditional Chinese Medicine), Guangzhou 510006, China
- Institute of Chinese Medicine, Guangdong Pharmaceutical University, Guangzhou 510006, China
| | - Pandi Niu
- Guangdong Metabolic Diseases Research Center of Integrated Chinese and Western Medicine, Guangzhou 510006, China
- Guangdong TCM Key Laboratory for Metabolic Diseases, Guangzhou 510006, China
- Key Laboratory of Glucolipid Metabolic Disorder, Ministry of Education of China, Guangzhou 510006, China
- Key Unit of Modulating Liver to Treat Hyperlipemia SATCM (State Administration of Traditional Chinese Medicine), Guangzhou 510006, China
- Institute of Chinese Medicine, Guangdong Pharmaceutical University, Guangzhou 510006, China
| | - Hui Fan
- Guangdong Metabolic Diseases Research Center of Integrated Chinese and Western Medicine, Guangzhou 510006, China
- Guangdong TCM Key Laboratory for Metabolic Diseases, Guangzhou 510006, China
- Key Laboratory of Glucolipid Metabolic Disorder, Ministry of Education of China, Guangzhou 510006, China
- Key Unit of Modulating Liver to Treat Hyperlipemia SATCM (State Administration of Traditional Chinese Medicine), Guangzhou 510006, China
- Institute of Chinese Medicine, Guangdong Pharmaceutical University, Guangzhou 510006, China
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Burdziak C, Zhao CJ, Haviv D, Alonso-Curbelo D, Lowe SW, Pe’er D. scKINETICS: inference of regulatory velocity with single-cell transcriptomics data. Bioinformatics 2023; 39:i394-i403. [PMID: 37387147 PMCID: PMC10311321 DOI: 10.1093/bioinformatics/btad267] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/01/2023] Open
Abstract
MOTIVATION Transcriptional dynamics are governed by the action of regulatory proteins and are fundamental to systems ranging from normal development to disease. RNA velocity methods for tracking phenotypic dynamics ignore information on the regulatory drivers of gene expression variability through time. RESULTS We introduce scKINETICS (Key regulatory Interaction NETwork for Inferring Cell Speed), a dynamical model of gene expression change which is fit with the simultaneous learning of per-cell transcriptional velocities and a governing gene regulatory network. Fitting is accomplished through an expectation-maximization approach designed to learn the impact of each regulator on its target genes, leveraging biologically motivated priors from epigenetic data, gene-gene coexpression, and constraints on cells' future states imposed by the phenotypic manifold. Applying this approach to an acute pancreatitis dataset recapitulates a well-studied axis of acinar-to-ductal transdifferentiation whilst proposing novel regulators of this process, including factors with previously appreciated roles in driving pancreatic tumorigenesis. In benchmarking experiments, we show that scKINETICS successfully extends and improves existing velocity approaches to generate interpretable, mechanistic models of gene regulatory dynamics. AVAILABILITY AND IMPLEMENTATION All python code and an accompanying Jupyter notebook with demonstrations are available at http://github.com/dpeerlab/scKINETICS.
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Affiliation(s)
- Cassandra Burdziak
- Computational and Systems Biology Program, Memorial Sloan Kettering Cancer Center, Sloan Kettering Institute, 408 E 69th Street, New York, NY 10021, United States
| | - Chujun Julia Zhao
- Computational and Systems Biology Program, Memorial Sloan Kettering Cancer Center, Sloan Kettering Institute, 408 E 69th Street, New York, NY 10021, United States
- Department of Biomedical Engineering, Columbia University, 1210 Amsterdam Ave, New York, NY 10027, United States
| | - Doron Haviv
- Computational and Systems Biology Program, Memorial Sloan Kettering Cancer Center, Sloan Kettering Institute, 408 E 69th Street, New York, NY 10021, United States
| | - Direna Alonso-Curbelo
- Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology (BIST), Carrer de Baldiri Reixac, 10, Barcelona 08028, Spain
- Cancer Biology and Genetics Program, Memorial Sloan Kettering Cancer Center, Sloan Kettering Institute, 408 E 69th Street, New York, NY 10021, United States
| | - Scott W Lowe
- Cancer Biology and Genetics Program, Memorial Sloan Kettering Cancer Center, Sloan Kettering Institute, 408 E 69th Street, New York, NY 10021, United States
- Howard Hughes Medical Institute, 4000 Jones Bridge Road, Chevy Chase, Maryland 20815, United States
| | - Dana Pe’er
- Computational and Systems Biology Program, Memorial Sloan Kettering Cancer Center, Sloan Kettering Institute, 408 E 69th Street, New York, NY 10021, United States
- Howard Hughes Medical Institute, 4000 Jones Bridge Road, Chevy Chase, Maryland 20815, United States
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Skubisz K, Dąbkowski K, Samborowska E, Starzyńska T, Deskur A, Ambrozkiewicz F, Karczmarski J, Radkiewicz M, Kusnierz K, Kos-Kudła B, Sulikowski T, Cybula P, Paziewska A. Serum Metabolite Biomarkers for Pancreatic Tumors: Neuroendocrine and Pancreatic Ductal Adenocarcinomas-A Preliminary Study. Cancers (Basel) 2023; 15:3242. [PMID: 37370852 DOI: 10.3390/cancers15123242] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Revised: 06/02/2023] [Accepted: 06/13/2023] [Indexed: 06/29/2023] Open
Abstract
BACKGROUND Pancreatic cancer is the most common pancreatic solid malignancy with an aggressive clinical course and low survival rate. There are a limited number of reliable prognostic biomarkers and a need to understand the pathogenesis of pancreatic tumors; neuroendocrine (PNET) and pancreatic ductal adenocarcinomas (PDAC) encouraged us to analyze the serum metabolome of pancreatic tumors and disturbances in the metabolism of PDAC and PNET. METHODS Using the AbsoluteIDQ® p180 kit (Biocrates Life Sciences AG, Innsbruck, Austria) with liquid chromatography-mass spectrometry (LC-MS), we identified changes in metabolite profiles and disrupted metabolic pathways serum of NET and PDAC patients. RESULTS The concentration of six metabolites showed statistically significant differences between the control group and PDAC patients (p.adj < 0.05). Glutamine (Gln), acetylcarnitine (C2), and citrulline (Cit) presented a lower concentration in the serum of PDAC patients, while phosphatidylcholine aa C32:0 (PC aa C32:0), sphingomyelin C26:1 (SM C26:1), and glutamic acid (Glu) achieved higher concentrations compared to serum samples from healthy individuals. Five of the tested metabolites: C2 (FC = 8.67), and serotonin (FC = 2.68) reached higher concentration values in the PNET serum samples compared to PDAC, while phosphatidylcholine aa C34:1 (PC aa C34:1) (FC = -1.46 (0.68)) had a higher concentration in the PDAC samples. The area under the curves (AUC) of the receiver operating characteristic (ROC) curves presented diagnostic power to discriminate pancreatic tumor patients, which were highest for acylcarnitines: C2 with AUC = 0.93, serotonin with AUC = 0.85, and PC aa C34:1 with AUC = 0.86. CONCLUSIONS The observations presented provide better insight into the metabolism of pancreatic tumors, and improve the diagnosis and classification of tumors. Serum-circulating metabolites can be easily monitored without invasive procedures and show the present clinical patients' condition, helping with pharmacological treatment or dietary strategies.
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Affiliation(s)
- Karolina Skubisz
- Institute of Health Sciences, Faculty of Medical and Health Sciences, Siedlce University of Natural Sciences and Humanities, 08-110 Siedlce, Poland
- Department of Laboratory Diagnostics and Clinical Immunology of Developmental Age, Pediatric Hospital of Medical University of Warsaw, 02-091 Warsaw, Poland
| | - Krzysztof Dąbkowski
- Department of Gastroenterology, Pomeranian Medical University in Szczecin, 70-204 Szczecin, Poland
| | - Emilia Samborowska
- Mass Spectrometry Laboratory, Institute of Biochemistry and Biophysics, Polish Academy of Sciences, 02-106 Warsaw, Poland
| | - Teresa Starzyńska
- Department of Gastroenterology, Pomeranian Medical University in Szczecin, 70-204 Szczecin, Poland
| | - Anna Deskur
- Department of Gastroenterology, Pomeranian Medical University in Szczecin, 70-204 Szczecin, Poland
| | - Filip Ambrozkiewicz
- Laboratory of Translational Cancer Genomics, Biomedical Center, Faculty of Medicine in Pilsen, Charles University, Alej Svobody 1665/76, 32300 Pilsen, Czech Republic
| | - Jakub Karczmarski
- Mass Spectrometry Laboratory, Institute of Biochemistry and Biophysics, Polish Academy of Sciences, 02-106 Warsaw, Poland
| | - Mariusz Radkiewicz
- Mass Spectrometry Laboratory, Institute of Biochemistry and Biophysics, Polish Academy of Sciences, 02-106 Warsaw, Poland
| | - Katarzyna Kusnierz
- The Department of Gastrointestinal Surgery, Medical University of Silesia, 40-752 Katowice, Poland
| | - Beata Kos-Kudła
- Department of Endocrinology and Neuroendocrine Tumours, Department of Pathophysiology and Endocrinology, Medical University of Silesia, 40-752 Katowice, Poland
| | - Tadeusz Sulikowski
- Department of General, Minimally Invasive and Gastroenterological Surgery, Pomeranian Medical University in Szczecin, 70-204 Szczecin, Poland
| | - Patrycja Cybula
- Institute of Health Sciences, Faculty of Medical and Health Sciences, Siedlce University of Natural Sciences and Humanities, 08-110 Siedlce, Poland
- Molecular Biology Laboratory, Department of Diagnostic Hematology, Institute of Hematology and Transfusion Medicine, 02-776 Warsaw, Poland
| | - Agnieszka Paziewska
- Institute of Health Sciences, Faculty of Medical and Health Sciences, Siedlce University of Natural Sciences and Humanities, 08-110 Siedlce, Poland
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Ishii T, Miyasato Y, Ichijo M, Uchimura K, Furuya F. Membrane protease prostasin promotes insulin secretion by regulating the epidermal growth factor receptor pathway. Sci Rep 2023; 13:9086. [PMID: 37277555 DOI: 10.1038/s41598-023-36326-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Accepted: 06/01/2023] [Indexed: 06/07/2023] Open
Abstract
Prostasin (PRSS8) is a serine protease that metabolizes and moderates the effect of specific substrates. Epidermal growth factor receptor (EGFR), which modulates insulin secretion and pancreatic β-cell proliferation, is regulated via proteolytic shedding by PRSS8. We first detected PRSS8 expression in β-cells of pancreatic islets of mice. To better understand the molecular processes involved in PRSS8-associated insulin secretion, pancreatic β-cell-specific PRSS8 knockout (βKO) and PRSS8-overexpressing (βTG) male mice were generated. We found that glucose intolerance and reduction in glucose-stimulated insulin secretion developed in βKO mice compared with the control subjects. A higher response to glucose was noted in islets retrieved from βTG mice. Erlotinib, a specific blocker of EGFR, blocks EGF- and glucose-stimulated secretion of insulin among MIN6 cells, and glucose improves EGF release from β-cells. After silencing PRSS8 in MIN6 cells, glucose-stimulated insulin secretion decreased, and EGFR signaling was impaired. Conversely, overexpression of PRSS8 in MIN6 cells induced higher concentrations of both basal and glucose-stimulated insulin secretion and increased phospho-EGFR concentrations. Furthermore, short-term exposure to glucose improved the concentration of endogenous PRSS8 in MIN6 cells through inhibition of intracellular degradation. These findings suggest that PRSS8 is involved in glucose-dependent physiological regulation of insulin secretion via the EGF-EGFR signaling pathway in pancreatic β-cells.
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Grants
- 17K16145 Japan Society for the Promotion of Science, KAKENHI
- 19K17958 Japan Society for the Promotion of Science, KAKENHI
- 21K16367 Japan Society for the Promotion of Science, KAKENHI
- 17K16145 Japan Society for the Promotion of Science, KAKENHI
- 19K17958 Japan Society for the Promotion of Science, KAKENHI
- 21K16367 Japan Society for the Promotion of Science, KAKENHI
- 17K16145 Japan Society for the Promotion of Science, KAKENHI
- 19K17958 Japan Society for the Promotion of Science, KAKENHI
- 21K16367 Japan Society for the Promotion of Science, KAKENHI
- 17K16145 Japan Society for the Promotion of Science, KAKENHI
- 19K17958 Japan Society for the Promotion of Science, KAKENHI
- 21K16367 Japan Society for the Promotion of Science, KAKENHI
- 17K16145 Japan Society for the Promotion of Science, KAKENHI
- 19K17958 Japan Society for the Promotion of Science, KAKENHI
- 21K16367 Japan Society for the Promotion of Science, KAKENHI
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Affiliation(s)
- Toshihisa Ishii
- Division of Nephrology, University of Yamanashi, Yamanashi, 409-3898, Japan
| | - Yoshikazu Miyasato
- Department of Nephrology, Kumamoto University Graduate School of Medical Sciences, Kumamoto, 860-8556, Japan
| | - Masashi Ichijo
- Department of Diabetes and Endocrinology, Matsumoto National Hospital, Matsumoto, Japan
| | - Kohei Uchimura
- Division of Nephrology, University of Yamanashi, Yamanashi, 409-3898, Japan.
| | - Fumihiko Furuya
- Division of Nephrology, University of Yamanashi, Yamanashi, 409-3898, Japan
- Department of Thyroid and Endocrinology, Fukushima Medical University, Fukushima, Japan
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38
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Yu F, Teng Y, Li J, Yang S, Zhang Z, He Y, Yang H, Ding CF, Zhou P. Effects of a Ganoderma lucidum Proteoglycan on Type 2 Diabetic Rats and the Recovery of Rat Pancreatic Islets. ACS OMEGA 2023; 8:17304-17316. [PMID: 37214729 PMCID: PMC10193549 DOI: 10.1021/acsomega.3c02200] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/02/2023] [Accepted: 04/27/2023] [Indexed: 05/24/2023]
Abstract
Type 2 diabetes (T2D) results from both insulin resistance and pancreatic β-cell dysfunction. A natural proteoglycan extracted from Ganoderma lucidum, namely, FYGL, has been demonstrated to be capable of ameliorating insulin resistance in previous work. In this work, a T2D rat model induced by streptozocin (STZ) and a high-fat diet was used to investigate the effects of FYGL on pancreatic functions, and the transcriptomics of the rat pancreas was used to investigate the biological processes (BP) and signal pathways influenced by FYGL on the gene basis. Furthermore, the results of transcriptomics were verified both by histopathological analyses and protein expression. The studies showed that FYGL positively regulated T2D-related BP and signaling pathways and recovered the pancreatic function, therefore ameliorating hyperglycemia and hyperlipidemia in vivo. Importantly, the recovery of the pancreatic function suggested a crucial strategy to radically treat T2D.
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Affiliation(s)
- Fanzhen Yu
- State
Key Laboratory of Molecular Engineering of Polymers, Department of
Macromolecular Science, Fudan University, Shanghai 200433, China
| | - Yilong Teng
- State
Key Laboratory of Molecular Engineering of Polymers, Department of
Macromolecular Science, Fudan University, Shanghai 200433, China
| | - Jiaqi Li
- State
Key Laboratory of Molecular Engineering of Polymers, Department of
Macromolecular Science, Fudan University, Shanghai 200433, China
| | - Shutong Yang
- Department
of Chemistry, Fudan University, Shanghai 200433, China
| | - Zeng Zhang
- Yueyang
Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 200437, P. R. China
| | - Yanming He
- Yueyang
Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 200437, P. R. China
| | - Hongjie Yang
- Yueyang
Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 200437, P. R. China
| | - Chuan-Fan Ding
- Zhejiang
Provincial Key Laboratory of Advanced Mass Spectrometry and Molecular
Analysis, Institute of Mass Spectrometry, School of Material Science and Chemical Engineering, Ningbo University, Ningbo, Zhejiang 315211, China
| | - Ping Zhou
- State
Key Laboratory of Molecular Engineering of Polymers, Department of
Macromolecular Science, Fudan University, Shanghai 200433, China
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39
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Luo Q, Liu P, Yu P, Qin T. Cancer Stem Cells are Actually Stem Cells with Disordered Differentiation: the Monophyletic Origin of Cancer. Stem Cell Rev Rep 2023; 19:827-838. [PMID: 36648606 PMCID: PMC10185654 DOI: 10.1007/s12015-023-10508-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/12/2023] [Indexed: 01/18/2023]
Abstract
Cancer stem cells (CSCs) play an important role in cancer development. Based on advancements in CSC research, we propose a monophyletic model of cancer. This model is based on the idea that CSCs are stem cells with disordered differentiation whose original purpose was to repair damaged tissues. Inflammatory responses and damage repair signals are crucial for the creation and maintenance of CSCs. Normal quiescent stem cells are activated by environmental stimulation, such as an inflammatory response, and undergo cell division and differentiation. In the initial stage of cancer development, stem cell differentiation leads to heteromorphism due to the accumulation of gene mutations, resulting in the development of metaplasia or precancerosis. In the second stage, accumulated mutations induce poor differentiation and lead to cancer development. The monophyletic model illustrates the evolution, biological behavior, and hallmarks of CSCs, proposes a concise understanding of the origin of cancer, and may encourage a novel therapeutic approach.
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Affiliation(s)
- Qiankun Luo
- Department of Hepatobilliary and Pancreatic Surgery, Zhengzhou University People's Hospital, Henan Provincial People's Hospital, Henan University People's Hospital, Jinshui District, No. 7, Weiwu Rd., Zhengzhou, 450003, Henan, China
| | - Pan Liu
- Department of Hepatobilliary and Pancreatic Surgery, Zhengzhou University People's Hospital, Henan Provincial People's Hospital, Henan University People's Hospital, Jinshui District, No. 7, Weiwu Rd., Zhengzhou, 450003, Henan, China
| | - Pengfei Yu
- Department of Hepatobilliary and Pancreatic Surgery, Zhengzhou University People's Hospital, Henan Provincial People's Hospital, Henan University People's Hospital, Jinshui District, No. 7, Weiwu Rd., Zhengzhou, 450003, Henan, China
| | - Tao Qin
- Department of Hepatobilliary and Pancreatic Surgery, Zhengzhou University People's Hospital, Henan Provincial People's Hospital, Henan University People's Hospital, Jinshui District, No. 7, Weiwu Rd., Zhengzhou, 450003, Henan, China.
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40
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Huang X, Gu W, Zhang J, Lan Y, Colarusso JL, Li S, Pertl C, Lu J, Kim H, Zhu J, Breault DT, Sévigny J, Zhou Q. Stomach-derived human insulin-secreting organoids restore glucose homeostasis. Nat Cell Biol 2023; 25:778-786. [PMID: 37106062 DOI: 10.1038/s41556-023-01130-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Accepted: 03/15/2023] [Indexed: 04/29/2023]
Abstract
Gut stem cells are accessible by biopsy and propagate robustly in culture, offering an invaluable resource for autologous cell therapies. Insulin-producing cells can be induced in mouse gut, but it has not been possible to generate abundant and durable insulin-secreting cells from human gut tissues to evaluate their potential as a cell therapy for diabetes. Here we describe a protocol to differentiate cultured human gastric stem cells into pancreatic islet-like organoids containing gastric insulin-secreting (GINS) cells that resemble β-cells in molecular hallmarks and function. Sequential activation of the inducing factors NGN3 and PDX1-MAFA led human gastric stem cells onto a distinctive differentiation path, including a SOX4High endocrine and GalaninHigh GINS precursor, before adopting β-cell identity, at efficiencies close to 70%. GINS organoids acquired glucose-stimulated insulin secretion in 10 days and restored glucose homeostasis for over 100 days in diabetic mice after transplantation, providing proof of concept for a promising approach to treat diabetes.
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Affiliation(s)
- Xiaofeng Huang
- Division of Regenerative Medicine and Hartman Institute for Therapeutic Organ Regeneration, Department of Medicine, Weill Cornell Medicine, New York, NY, USA
| | - Wei Gu
- Division of Regenerative Medicine and Hartman Institute for Therapeutic Organ Regeneration, Department of Medicine, Weill Cornell Medicine, New York, NY, USA
| | - Jiaoyue Zhang
- Division of Regenerative Medicine and Hartman Institute for Therapeutic Organ Regeneration, Department of Medicine, Weill Cornell Medicine, New York, NY, USA
| | - Ying Lan
- Division of Regenerative Medicine and Hartman Institute for Therapeutic Organ Regeneration, Department of Medicine, Weill Cornell Medicine, New York, NY, USA
| | - Jonathan L Colarusso
- Division of Regenerative Medicine and Hartman Institute for Therapeutic Organ Regeneration, Department of Medicine, Weill Cornell Medicine, New York, NY, USA
| | - Sanlan Li
- Division of Regenerative Medicine and Hartman Institute for Therapeutic Organ Regeneration, Department of Medicine, Weill Cornell Medicine, New York, NY, USA
| | - Christoph Pertl
- Division of Regenerative Medicine and Hartman Institute for Therapeutic Organ Regeneration, Department of Medicine, Weill Cornell Medicine, New York, NY, USA
| | - Jiaqi Lu
- Division of Regenerative Medicine and Hartman Institute for Therapeutic Organ Regeneration, Department of Medicine, Weill Cornell Medicine, New York, NY, USA
| | - Hyunkee Kim
- Division of Regenerative Medicine and Hartman Institute for Therapeutic Organ Regeneration, Department of Medicine, Weill Cornell Medicine, New York, NY, USA
| | - Jian Zhu
- Division of Regenerative Medicine and Hartman Institute for Therapeutic Organ Regeneration, Department of Medicine, Weill Cornell Medicine, New York, NY, USA
- Department of Endocrinology, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
| | - David T Breault
- Division of Endocrinology, Boston Children's Hospital and Department of Pediatrics, Harvard Medical School, Boston, MA, USA
- Harvard Stem Cell Institute, Cambridge, MA, USA
| | - Jean Sévigny
- Département de Microbiologie-Infectiologie et d'Immunologie, Faculté de Médecine, Université Laval, Quebec City, Quebec, Canada
- Centre de recherche du CHU de Québec-Université Laval, Quebec City, Quebec, Canada
| | - Qiao Zhou
- Division of Regenerative Medicine and Hartman Institute for Therapeutic Organ Regeneration, Department of Medicine, Weill Cornell Medicine, New York, NY, USA.
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41
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Ashe S, Hebrok M. Role of Cell-Based Therapies in T2D. Semin Nephrol 2023; 43:151432. [PMID: 37918206 DOI: 10.1016/j.semnephrol.2023.151432] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2023]
Abstract
Type 2 diabetes mellitus (T2D) has become a global epidemic affecting the health of millions of people. T2D is a complex and multifactorial metabolic disease, largely characterized by a combination of impaired insulin secretion from β cells residing within the islets of the pancreas and peripheral insulin resistance. In this article, we discuss the current state and risk factors for T2D, conventional treatment options, and upcoming strategies, including progress in the areas of allogeneic and xenogeneic islet transplantation, with a major focus on stem cell-derived β cells and associated technologies.
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Affiliation(s)
- Sudipta Ashe
- Diabetes Center, Department of Medicine, University of California, San Francisco, CA
| | - Matthias Hebrok
- Diabetes Center, Department of Medicine, University of California, San Francisco, CA; TUM School of Medicine, Technical University Munich, Munich, Germany; Center for Organoid Systems, Technical University Munich, Garching, Germany; Institute for Diabetes and Organoid Technology, Helmholtz Diabetes Center, Helmholtz Zentrum München, Neuherberg, Germany; Munich Institute of Biomedical Engineering (MIBE), Technical University Munich, Munich, Germany; German Center for Diabetes Research (DZD), Ingolstaedter Landstrasse 1, 85764 Neuherberg, Germany.
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42
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Purhonen J, Banerjee R, Wanne V, Sipari N, Mörgelin M, Fellman V, Kallijärvi J. Mitochondrial complex III deficiency drives c-MYC overexpression and illicit cell cycle entry leading to senescence and segmental progeria. Nat Commun 2023; 14:2356. [PMID: 37095097 PMCID: PMC10126100 DOI: 10.1038/s41467-023-38027-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Accepted: 04/12/2023] [Indexed: 04/26/2023] Open
Abstract
Accumulating evidence suggests mitochondria as key modulators of normal and premature aging, yet whether primary oxidative phosphorylation (OXPHOS) deficiency can cause progeroid disease remains unclear. Here, we show that mice with severe isolated respiratory complex III (CIII) deficiency display nuclear DNA damage, cell cycle arrest, aberrant mitoses, and cellular senescence in the affected organs such as liver and kidney, and a systemic phenotype resembling juvenile-onset progeroid syndromes. Mechanistically, CIII deficiency triggers presymptomatic cancer-like c-MYC upregulation followed by excessive anabolic metabolism and illicit cell proliferation against lack of energy and biosynthetic precursors. Transgenic alternative oxidase dampens mitochondrial integrated stress response and the c-MYC induction, suppresses the illicit proliferation, and prevents juvenile lethality despite that canonical OXPHOS-linked functions remain uncorrected. Inhibition of c-MYC with the dominant-negative Omomyc protein relieves the DNA damage in CIII-deficient hepatocytes in vivo. Our results connect primary OXPHOS deficiency to genomic instability and progeroid pathogenesis and suggest that targeting c-MYC and aberrant cell proliferation may be therapeutic in mitochondrial diseases.
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Affiliation(s)
- Janne Purhonen
- Folkhälsan Research Center, Haartmaninkatu 8, 00290, Helsinki, Finland
- Stem Cells and Metabolism Research Program, Faculty of Medicine, University of Helsinki, P.O.Box 63, 00014, Helsinki, Finland
| | - Rishi Banerjee
- Folkhälsan Research Center, Haartmaninkatu 8, 00290, Helsinki, Finland
- Stem Cells and Metabolism Research Program, Faculty of Medicine, University of Helsinki, P.O.Box 63, 00014, Helsinki, Finland
| | - Vilma Wanne
- Folkhälsan Research Center, Haartmaninkatu 8, 00290, Helsinki, Finland
- Stem Cells and Metabolism Research Program, Faculty of Medicine, University of Helsinki, P.O.Box 63, 00014, Helsinki, Finland
| | - Nina Sipari
- Viikki Metabolomics Unit, University of Helsinki, P.O.Box 65, Helsinki, Finland
| | - Matthias Mörgelin
- Division of Infection Medicine, Department of Clinical Sciences, Lund University, P.O.Box 117, 221 00, Lund, Sweden
- Colzyx AB, Scheelevägen 2, 22381, Lund, Sweden
| | - Vineta Fellman
- Folkhälsan Research Center, Haartmaninkatu 8, 00290, Helsinki, Finland
- Stem Cells and Metabolism Research Program, Faculty of Medicine, University of Helsinki, P.O.Box 63, 00014, Helsinki, Finland
- Department of Clinical Sciences, Lund, Pediatrics, Lund University, P.O.Box 117, 221 00, Lund, Sweden
- Children's Hospital, Clinicum, University of Helsinki, P.O. Box 22, 00014, Helsinki, Finland
| | - Jukka Kallijärvi
- Folkhälsan Research Center, Haartmaninkatu 8, 00290, Helsinki, Finland.
- Stem Cells and Metabolism Research Program, Faculty of Medicine, University of Helsinki, P.O.Box 63, 00014, Helsinki, Finland.
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43
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Casanova P, Monleon D. Role of selenium in type 2 diabetes, insulin resistance and insulin secretion. World J Diabetes 2023; 14:147-158. [PMID: 37035226 PMCID: PMC10075028 DOI: 10.4239/wjd.v14.i3.147] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/20/2022] [Revised: 11/30/2022] [Accepted: 02/09/2023] [Indexed: 03/15/2023] Open
Abstract
Selenium is a trace mineral essential for life that acts physiologically through selenoproteins. Among other actions, the endogenous antioxidant selenoprotein glutathione peroxidase and the selenium transporter in blood, selenoprotein P, seem to play an important role in type 2 diabetes mellitus and insulin resistance by weakening the insulin signaling cascade through different mechanisms. Recent findings also suggest that selenoproteins also affect insulin biosynthesis and insulin secretion. This review discussed the role of selenium in type 2 diabetes and the complex interplay between selenoproteins and insulin pathways.
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Affiliation(s)
- Pilar Casanova
- Department of Pathology, University of Valencia, Valencia 46010, Spain
| | - Daniel Monleon
- Department of Pathology, University of Valencia, Valencia 46010, Spain
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44
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Rudat R. Die Bauchspeicheldrüse – der Blick fürs
Ganze. ZEITSCHRIFT FÜR GANZHEITLICHE TIERMEDIZIN 2023. [DOI: 10.1055/a-2002-8709] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/12/2023]
Abstract
ZusammenfassungEine Pathologie der Bauchspeicheldrüse ist vielfach Wegbereiter für
weitere Pathologien desselben Organs. Grund dafür ist die enge
Verknüpfung der endokrinen und exokrinen Anteile sowie die vergleichbaren
Pathogenese-Faktoren der unterschiedlichen Erkrankungen. Phytotherapeutika und
Komplexhomöopathika sind aufgrund ihrer Multi-Target-Wirkungen und der
großen therapeutischen Breite ideale Mittel, um bei Diabetes, Exokriner
Pankreas-Insuffizienz und chronischer Pankreatitis helfend einzugreifen.
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45
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Li K, Bian J, Xiao Y, Wang D, Han L, He C, Gong L, Wang M. Changes in Pancreatic Senescence Mediate Pancreatic Diseases. Int J Mol Sci 2023; 24:ijms24043513. [PMID: 36834922 PMCID: PMC9962587 DOI: 10.3390/ijms24043513] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Revised: 01/24/2023] [Accepted: 01/30/2023] [Indexed: 02/12/2023] Open
Abstract
In recent years, there has been a significant increase in age-related diseases due to the improvement in life expectancy worldwide. The pancreas undergoes various morphological and pathological changes with aging, such as pancreatic atrophy, fatty degeneration, fibrosis, inflammatory cell infiltration, and exocrine pancreatic metaplasia. Meanwhile, these may predispose the individuals to aging-related diseases, such as diabetes, dyspepsia, pancreatic ductal adenocarcinoma, and pancreatitis, as the endocrine and exocrine functions of the pancreas are significantly affected by aging. Pancreatic senescence is associated with various underlying factors including genetic damage, DNA methylation, endoplasmic reticulum (ER) stress, mitochondrial dysfunction, and inflammation. This paper reviews the alternations of morphologies and functions in the aging pancreas, especially β-cells, closely related to insulin secretion. Finally, we summarize the mechanisms of pancreatic senescence to provide potential targets for treating pancreatic aging-related diseases.
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Affiliation(s)
- Kailin Li
- College of Food Science and Engineering, Northwest A & F University, Yangling, Xianyang 712100, China
| | - Ji Bian
- Kolling Institute, Sydney Medical School, Royal North Shore Hospital, University of Sydney, St. Leonards, NSW 2065, Australia
| | - Yao Xiao
- College of Food Science and Engineering, Northwest A & F University, Yangling, Xianyang 712100, China
| | - Da Wang
- College of Food Science and Engineering, Northwest A & F University, Yangling, Xianyang 712100, China
| | - Lin Han
- College of Food Science and Engineering, Northwest A & F University, Yangling, Xianyang 712100, China
| | - Caian He
- College of Food Science and Engineering, Northwest A & F University, Yangling, Xianyang 712100, China
| | - Lan Gong
- Microbiome Research Centre, St George and Sutherland Clinical School, University of New South Wales, Sydney, NSW 2052, Australia
- Correspondence: (L.G.); (M.W.)
| | - Min Wang
- College of Food Science and Engineering, Northwest A & F University, Yangling, Xianyang 712100, China
- Correspondence: (L.G.); (M.W.)
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46
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Chen X, Yin J, Zhong Q, Wang K, Zhang X, Liang M, Lin Q, Wang H, Wang W, Wang L, Hu X, Bei W, Guo J. Fufang-zhenzhu-tiaozhi formula protects islet against injury and promotes β cell regeneration in diabetic mice. JOURNAL OF ETHNOPHARMACOLOGY 2023; 301:115791. [PMID: 36240976 DOI: 10.1016/j.jep.2022.115791] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/24/2022] [Revised: 09/24/2022] [Accepted: 10/03/2022] [Indexed: 06/16/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Fufang-zhenzhu-tiaozhi formula (FTZ) is a patented preparation of traditional Chinese medicine that has been used to treat hyperglycemia and hyperlipidemia in the clinic for almost 10 years. Our previous study had demonstrated that FTZ can protect islet β cell injury in vitro. However, the efficacy of FTZ on β cell regeneration in vivo and the involved anti-diabetic mechanism remains unknown. AIM OF THE STUDY We aim to investigate the effects of FTZ as a good remedy for islet protection and β cell regeneration, and to reveal the underlying mechanism. MATERIALS AND METHODS C57BL/6 mice were fed with high-fat diet for 3 weeks and then intraperitoneally injected with streptozotocin (90 mg/kg/d × 1 d) to establish type 2 diabetes (T2D) models. Mice in each group were divided into three batches that sacrificed after 3, 7 and 28 days of FTZ administration. Body weight, blood glucose, and oral glucose tolerance test were measured at indicated time points. Fasting insulin was determined by enzyme-linked immunosorbent assay (ELISA) kit. Neonatal β cell was assessed by insulin & PCNA double immunofluorescence staining, and the underlying mechanisms related to β cell regeneration were further performed by hematoxylin-eosin staining, insulin & glucagon double immunofluorescence staining and Western blot. RESULTS FTZ and metformin can significantly help with the symptoms of DM, such as alleviating weight loss, reducing blood glucose, improving the level of insulin in vivo, and relieving insulin resistance, suggesting FTZ and metformin treatment maintained the normal morphological function of islet. Notably, β cell regeneration, which is indicated by insulin and PCNA double-positive cells, was promoted by FTZ, whereas few neonatal β cells were observed in metformin group. Hematoxylin-eosin staining, and its quantification results showed that FTZ effectively prevented the invasion of inflammatory cells into the islets in diabetic mice. Most β cells in the islets of diabetic model mice were devoid, and the islets were almost all α cells, while the diabetic mice administered FTZ could still maintain about half of the β cells in the islet. Furthermore, FTZ upregulated the expression of critical transcription factors during β cell development and maturation (such as PDX-1, MAFA and NGN3) in diabetic mice. CONCLUSIONS FTZ can alleviate diabetes symptoms and promote β cell regeneration in diabetic mice. Moreover, FTZ promotes β cell regeneration by preserving islet (resisting inflammatory cells invading islets), maintaining the number of β cells in islets, and increasing the expression of PDX-1, MAFA and NGN3.
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Affiliation(s)
- Xu Chen
- Key Laboratory of Glucolipid Metabolic Disorder of Ministry of Education, China; Key Unit of Modulating Liver to Treat Hyperlipemia SATCM (State Administration of Traditional Chinese Medicine), China; Guangdong Metabolic Disease Research Center of Integrated Chinese and Western Medicine, China; Guangdong TCM Key Laboratory for Metabolic Diseases, China; Chinese Medicine Institute, Guangdong Pharmaceutical University, Guangzhou, 510006, China.
| | - Jianying Yin
- Key Laboratory of Glucolipid Metabolic Disorder of Ministry of Education, China; Key Unit of Modulating Liver to Treat Hyperlipemia SATCM (State Administration of Traditional Chinese Medicine), China; Guangdong Metabolic Disease Research Center of Integrated Chinese and Western Medicine, China; Guangdong TCM Key Laboratory for Metabolic Diseases, China; Chinese Medicine Institute, Guangdong Pharmaceutical University, Guangzhou, 510006, China.
| | - Qin Zhong
- Key Laboratory of Glucolipid Metabolic Disorder of Ministry of Education, China; Key Unit of Modulating Liver to Treat Hyperlipemia SATCM (State Administration of Traditional Chinese Medicine), China; Guangdong Metabolic Disease Research Center of Integrated Chinese and Western Medicine, China; Guangdong TCM Key Laboratory for Metabolic Diseases, China; Chinese Medicine Institute, Guangdong Pharmaceutical University, Guangzhou, 510006, China.
| | - Ke Wang
- Key Laboratory of Glucolipid Metabolic Disorder of Ministry of Education, China; Key Unit of Modulating Liver to Treat Hyperlipemia SATCM (State Administration of Traditional Chinese Medicine), China; Guangdong Metabolic Disease Research Center of Integrated Chinese and Western Medicine, China; Guangdong TCM Key Laboratory for Metabolic Diseases, China; Chinese Medicine Institute, Guangdong Pharmaceutical University, Guangzhou, 510006, China.
| | - Xiaoyu Zhang
- Key Laboratory of Glucolipid Metabolic Disorder of Ministry of Education, China; Key Unit of Modulating Liver to Treat Hyperlipemia SATCM (State Administration of Traditional Chinese Medicine), China; Guangdong Metabolic Disease Research Center of Integrated Chinese and Western Medicine, China; Guangdong TCM Key Laboratory for Metabolic Diseases, China; Chinese Medicine Institute, Guangdong Pharmaceutical University, Guangzhou, 510006, China.
| | - Mingjie Liang
- Key Laboratory of Glucolipid Metabolic Disorder of Ministry of Education, China; Key Unit of Modulating Liver to Treat Hyperlipemia SATCM (State Administration of Traditional Chinese Medicine), China; Guangdong Metabolic Disease Research Center of Integrated Chinese and Western Medicine, China; Guangdong TCM Key Laboratory for Metabolic Diseases, China; Chinese Medicine Institute, Guangdong Pharmaceutical University, Guangzhou, 510006, China.
| | - Quanyou Lin
- Key Laboratory of Glucolipid Metabolic Disorder of Ministry of Education, China; Key Unit of Modulating Liver to Treat Hyperlipemia SATCM (State Administration of Traditional Chinese Medicine), China; Guangdong Metabolic Disease Research Center of Integrated Chinese and Western Medicine, China; Guangdong TCM Key Laboratory for Metabolic Diseases, China; Chinese Medicine Institute, Guangdong Pharmaceutical University, Guangzhou, 510006, China.
| | - Hong Wang
- Key Laboratory of Glucolipid Metabolic Disorder of Ministry of Education, China; Key Unit of Modulating Liver to Treat Hyperlipemia SATCM (State Administration of Traditional Chinese Medicine), China; Guangdong Metabolic Disease Research Center of Integrated Chinese and Western Medicine, China; Guangdong TCM Key Laboratory for Metabolic Diseases, China; Chinese Medicine Institute, Guangdong Pharmaceutical University, Guangzhou, 510006, China.
| | - Weixuan Wang
- Key Laboratory of Glucolipid Metabolic Disorder of Ministry of Education, China; Key Unit of Modulating Liver to Treat Hyperlipemia SATCM (State Administration of Traditional Chinese Medicine), China; Guangdong Metabolic Disease Research Center of Integrated Chinese and Western Medicine, China; Guangdong TCM Key Laboratory for Metabolic Diseases, China; Chinese Medicine Institute, Guangdong Pharmaceutical University, Guangzhou, 510006, China.
| | - Lexun Wang
- Key Laboratory of Glucolipid Metabolic Disorder of Ministry of Education, China; Key Unit of Modulating Liver to Treat Hyperlipemia SATCM (State Administration of Traditional Chinese Medicine), China; Guangdong Metabolic Disease Research Center of Integrated Chinese and Western Medicine, China; Guangdong TCM Key Laboratory for Metabolic Diseases, China; Chinese Medicine Institute, Guangdong Pharmaceutical University, Guangzhou, 510006, China.
| | - Xuguang Hu
- Key Laboratory of Glucolipid Metabolic Disorder of Ministry of Education, China; Key Unit of Modulating Liver to Treat Hyperlipemia SATCM (State Administration of Traditional Chinese Medicine), China; Guangdong Metabolic Disease Research Center of Integrated Chinese and Western Medicine, China; Guangdong TCM Key Laboratory for Metabolic Diseases, China; Chinese Medicine Institute, Guangdong Pharmaceutical University, Guangzhou, 510006, China.
| | - Weijian Bei
- Key Laboratory of Glucolipid Metabolic Disorder of Ministry of Education, China; Key Unit of Modulating Liver to Treat Hyperlipemia SATCM (State Administration of Traditional Chinese Medicine), China; Guangdong Metabolic Disease Research Center of Integrated Chinese and Western Medicine, China; Guangdong TCM Key Laboratory for Metabolic Diseases, China; Chinese Medicine Institute, Guangdong Pharmaceutical University, Guangzhou, 510006, China.
| | - Jiao Guo
- Key Laboratory of Glucolipid Metabolic Disorder of Ministry of Education, China; Key Unit of Modulating Liver to Treat Hyperlipemia SATCM (State Administration of Traditional Chinese Medicine), China; Guangdong Metabolic Disease Research Center of Integrated Chinese and Western Medicine, China; Guangdong TCM Key Laboratory for Metabolic Diseases, China; Chinese Medicine Institute, Guangdong Pharmaceutical University, Guangzhou, 510006, China.
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Risk Factors Associated with Acute Pancreatitis after Percutaneous Biliary Intervention: We Do Not Know Nearly Enough. Gastroenterol Res Pract 2023; 2023:9563074. [PMID: 36644482 PMCID: PMC9839406 DOI: 10.1155/2023/9563074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/18/2022] [Revised: 12/09/2022] [Accepted: 12/28/2022] [Indexed: 01/09/2023] Open
Abstract
Percutaneous transhepatic cholangiodrainage (PTCD) and percutaneous transhepatic biliary stenting (PTBS) may be used as a palliative treatment for inoperable patients with malignant biliary obstruction (MBO) to improve the prognosis and their quality of life. However, acute pancreatitis is a common and severe complication that cannot be ignored after PTCD and PTBS in patients with MBO. A few cases may develop severe pancreatitis with a higher mortality rate. In this study, we summarize the known risk factors for acute pancreatitis after percutaneous biliary interventional procedures and investigate possible risk factors to reduce its occurrence by early identifying high-risk patients and taking appropriate measures.
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48
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Use of a dual genetic system to decipher exocrine cell fate conversions in the adult pancreas. Cell Discov 2023; 9:1. [PMID: 36596774 PMCID: PMC9810707 DOI: 10.1038/s41421-022-00485-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2022] [Accepted: 10/19/2022] [Indexed: 01/04/2023] Open
Abstract
Unraveling cell fate plasticity during tissue homeostasis and repair can reveal actionable insights for stem cell biology and regenerative medicine. In the pancreas, it remains controversial whether lineage transdifferentiation among the exocrine cells occur under pathophysiological conditions. Here, to address this question, we used a dual recombinase-mediated genetic system that enables simultaneous tracing of pancreatic acinar and ductal cells using two distinct genetic reporters, avoiding the "ectopic" labeling by Cre-loxP recombination system. We found that acinar-to-ductal transdifferentiation occurs after pancreatic duct ligation or during caerulein-induced pancreatitis, but not during homeostasis or after partial pancreatectomy. On the other hand, pancreatic ductal cells contribute to new acinar cells after significant acinar cell loss. By genetic tracing of cell proliferation, we also quantify the cell proliferation dynamics and deduce the turnover rate of pancreatic exocrine lineages during homeostasis. Together, these results suggest that the lineage transdifferentiation happens between acinar cells and ductal cells in the pancreatic exocrine glands under specific conditions.
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Liu T, Zou X, Ruze R, Xu Q. Bariatric Surgery: Targeting pancreatic β cells to treat type II diabetes. Front Endocrinol (Lausanne) 2023; 14:1031610. [PMID: 36875493 PMCID: PMC9975540 DOI: 10.3389/fendo.2023.1031610] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Accepted: 01/19/2023] [Indexed: 02/17/2023] Open
Abstract
Pancreatic β-cell function impairment and insulin resistance are central to the development of obesity-related type 2 diabetes mellitus (T2DM). Bariatric surgery (BS) is a practical treatment approach to treat morbid obesity and achieve lasting T2DM remission. Traditionally, sustained postoperative glycemic control was considered a direct result of decreased nutrient intake and weight loss. However, mounting evidence in recent years implicated a weight-independent mechanism that involves pancreatic islet reconstruction and improved β-cell function. In this article, we summarize the role of β-cell in the pathogenesis of T2DM, review recent research progress focusing on the impact of Roux-en-Y gastric bypass (RYGB) and vertical sleeve gastrectomy (VSG) on pancreatic β-cell pathophysiology, and finally discuss therapeutics that have the potential to assist in the treatment effect of surgery and prevent T2D relapse.
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Affiliation(s)
- Tiantong Liu
- Department of General Surgery, Peking Union Medical College Hospital, Beijing, China
- School of Medicine, Tsinghua University, Beijing, China
| | - Xi Zou
- Department of General Surgery, Peking Union Medical College Hospital, Beijing, China
- Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Rexiati Ruze
- Department of General Surgery, Peking Union Medical College Hospital, Beijing, China
- Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Qiang Xu
- Department of General Surgery, Peking Union Medical College Hospital, Beijing, China
- *Correspondence: Qiang Xu,
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50
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Engineering Strategies of Islet Product for Endocrine Regeneration. ENGINEERED REGENERATION 2023. [DOI: 10.1016/j.engreg.2023.01.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023] Open
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