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Zhu Y, Yang M, Xu W, Zhang Y, Pan L, Wang L, Wang F, Lu Y. The collagen matrix regulates the survival and function of pancreatic islets. Endocrine 2024; 83:537-547. [PMID: 37999835 DOI: 10.1007/s12020-023-03592-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Accepted: 10/30/2023] [Indexed: 11/25/2023]
Abstract
The extracellular matrix (ECM) provides an appropriate microenvironment for many kinds of cells, including pancreatic cells. Collagens are the most abundant components of the ECM. Type I, IV, V and VI collagen has been detected in pancreatic islets, and each type plays important role in the proliferation, survival, function and differentiation of pancreatic cells. In some cases, collagens show behaviours similar to those of growth factors and regulate the biological behaviour of β cells by binding with certain growth factors, including IGFs, EGFs and FGFs. The transcriptional coactivator YAP/TAZ has been widely recognised as a mechanosensor that senses changes in the physical characteristics of the ECM and inhibition of YAP/TAZ enhances insulin production and secretion. Type 1 diabetes mellitus (T1DM) is an autoimmune disease characterised by the destruction of insulin-producing β cells. The crosstalk between collagens and immune cells plays a key role in the development and differentiation of immune cells. Further, Supplementation with collagens during islet transplantation is a promising strategy for improving the quality of the islets. But, excessive collagen deposition results in pancreatic fibrosis and pancreatic carcinoma. Targeting inhibit Piezo, autophagy or IL-6 may reduce excessive collagen deposition-induced pancreatic fibrosis and pancreatic carcinoma. This review provides insights into the treatment of T1DM to prolong life expectancy and provides the potential targets for treating collagen deposition-induced pancreatic fibrosis and pancreatic carcinoma.
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Affiliation(s)
- Yingying Zhu
- Traditional Chinese Medical college, Shandong University of Traditional Chinese Medicine, Jinan, 250300, Shandong, China
| | - Mei Yang
- Traditional Chinese Medical college, Shandong University of Traditional Chinese Medicine, Jinan, 250300, Shandong, China
| | - Wanli Xu
- Traditional Chinese Medical college, Shandong University of Traditional Chinese Medicine, Jinan, 250300, Shandong, China
| | - Yun Zhang
- Traditional Chinese Medical college, Shandong University of Traditional Chinese Medicine, Jinan, 250300, Shandong, China
| | - Linlin Pan
- Traditional Chinese Medical college, Shandong University of Traditional Chinese Medicine, Jinan, 250300, Shandong, China
| | - Lina Wang
- Traditional Chinese Medical college, Shandong University of Traditional Chinese Medicine, Jinan, 250300, Shandong, China
| | - Furong Wang
- Traditional Chinese Medical college, Shandong University of Traditional Chinese Medicine, Jinan, 250300, Shandong, China.
| | - Yanting Lu
- Traditional Chinese Medical college, Shandong University of Traditional Chinese Medicine, Jinan, 250300, Shandong, China.
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2
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Liu P, Cao B, Zhou Y, Zhang H, Wang C. Human umbilical cord-derived mesenchymal stem cells alleviate oxidative stress-induced islet impairment via the Nrf2/HO-1 axis. J Mol Cell Biol 2023; 15:mjad035. [PMID: 37245063 PMCID: PMC10681279 DOI: 10.1093/jmcb/mjad035] [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: 05/11/2022] [Revised: 01/10/2023] [Accepted: 02/14/2023] [Indexed: 05/29/2023] Open
Abstract
Hyperglycaemia-induced oxidative stress may disrupt insulin secretion and β-cell survival in diabetes mellitus by overproducing reactive oxygen species. Human umbilical cord-derived mesenchymal stem cells (hUC-MSCs) exhibit antioxidant properties. However, the mechanisms by which hUC-MSCs protect β-cells from high glucose-induced oxidative stress remain underexplored. In this study, we showed that intravenously injected hUC-MSCs engrafted into the injured pancreas and promoted pancreatic β-cell function in a mouse model of type 1 diabetes mellitus. The in vitro study revealed that hUC-MSCs attenuated high glucose-induced oxidative stress and prevented β-cell impairment via the Nrf2/HO-1 signalling pathway. Nrf2 knockdown partially blocked the anti-oxidative effect of hUC-MSCs, resulting in β-cell decompensation in a high-glucose environment. Overall, these findings provide novel insights into how hUC-MSCs protect β-cells from high glucose-induced oxidative stress.
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Affiliation(s)
- Peng Liu
- Shanghai Diabetes Institute, Department of Endocrinology and Metabolism, Shanghai Key Laboratory of Diabetes Mellitus, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200233, China
| | - Baige Cao
- Department of Endocrinology & Metabolism, Shanghai Fourth People's Hospital, School of Medicine, Tongji University, Shanghai 200434, China
| | - Yang Zhou
- Translational Medical Center for Stem Cell Therapy, Shanghai East Hospital, School of Medicine, Tongji University, Shanghai 200092, China
| | - Huina Zhang
- Stem Cell Translational Research Center, Tongji Hospital, School of Medicine, Tongji University, Shanghai 200065, China
| | - Congrong Wang
- Department of Endocrinology & Metabolism, Shanghai Fourth People's Hospital, School of Medicine, Tongji University, Shanghai 200434, China
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3
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Li L, Li J, Guan H, Oishi H, Takahashi S, Zhang C. Human umbilical cord mesenchymal stem cells in diabetes mellitus and its complications: applications and research advances. Int J Med Sci 2023; 20:1492-1507. [PMID: 37790847 PMCID: PMC10542192 DOI: 10.7150/ijms.87472] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/25/2023] [Accepted: 08/22/2023] [Indexed: 10/05/2023] Open
Abstract
Diabetes mellitus and its complications pose a major threat to global health and affect the quality of life and life expectancy of patients. Currently, the application of traditional therapeutic drugs for diabetes mellitus has great limitations and can only temporarily control blood glucose but not fundamentally cure it. Mesenchymal stem cells, as pluripotent stromal cells, have multidirectional differentiation potential, high self-renewal, immune regulation, and low immunogenicity, which provide a new idea and possible development direction for diabetes mellitus treatment. Regenerative medicine with mesenchymal stem cells treatment as the core treatment will become another treatment option for diabetes mellitus after traditional treatment. Recently, human umbilical cord mesenchymal stem cells have been widely used in basic and clinical research on diabetes mellitus and its complications because of their abundance, low ethical controversy, low risk of infection, and high proliferation and differentiation ability. This paper reviews the therapeutic role and mechanism of human umbilical cord mesenchymal stem cells in diabetes mellitus and its complications and highlights the challenges faced by the clinical application of human umbilical cord mesenchymal stem cells to provide a more theoretical basis for the application of human umbilical cord mesenchymal stem cells in diabetes mellitus patients.
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Affiliation(s)
- Luyao Li
- Department of Endocrinology, the Second Hospital of Jilin University, Changchun 130041, Jilin, P.R. China
| | - Jicui Li
- Department of Nephrology, the Second Hospital of Jilin University, Changchun 130041, Jilin, P.R. China
| | - Haifei Guan
- Department of Endocrinology, the Second Hospital of Jilin University, Changchun 130041, Jilin, P.R. China
| | - Hisashi Oishi
- Department of Comparative and Experimental Medicine, Nagoya City University Graduate 24 School of Medical Sciences, Aichi 467-8601, Nagoya, Japan
| | - Satoru Takahashi
- Institute of Basic Medical Sciences and Laboratory Animal Resource Center, University of Tsukuba, Ibaraki 305-8575, Tsukuba, Japan
| | - Chuan Zhang
- Department of Endocrinology, the Second Hospital of Jilin University, Changchun 130041, Jilin, P.R. China
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4
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Zhu Y, Chen S, Liu W, Xu F, Lu J, Hayashi T, Mizuno K, Hattori S, Fujisaki H, Ikejima T. IGF-1R/YAP signaling pathway is involved in collagen V-induced insulin biosynthesis and secretion in rat islet INS-1 cells. Connect Tissue Res 2022; 63:498-513. [PMID: 35129018 DOI: 10.1080/03008207.2021.2025225] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
PURPOSE Type V collagen (collagen V) is one of the important components of extracellular matrix (ECM) in pancreas. We previously reported that pre-coating collagen V on the culture dishes enhanced insulin production in INS-1 rat pancreatic β cells. In this study, we investigate the underlying mechanism. RESULTS Insulin biosynthesis and secretion are both increased in INS-1 cells cultured on collagen V-coated dishes, accompanied by the reduced nuclear translocation of Yes-associated protein (YAP), a transcriptional co-activator. YAP, the downstream effector of Hippo signaling pathway, plays an important role in the development and function of pancreas. Inhibition of YAP activation by verteporfin further up-regulates insulin biosynthesis and secretion. Silencing large tumor suppressor (LATS), a core component of Hippo pathway which inhibits activity of YAP by phosphorylation, by siRNA transfection inhibits both insulin biosynthesis and secretion. In the present study, the protein level of insulin-like growth factor 1 receptor (IGF-1 R), detected as the upstream molecule of YAP, is reduced in the INS-1 cells cultured on the dishes coated with collagen V. The silencing of IGF-1 R by siRNA transfection further enhances insulin biosynthesis and secretion. IGF-1 treatment reduces collagen V-induced up-regulation of insulin biosynthesis and secretion, accompanying the increased nuclear YAP. CONCLUSION Inhibition of IGF-1 R/YAP signal pathway is involved in collagen V-induced insulin biosynthesis and secretion in INS-1 cells.
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Affiliation(s)
- Yingying Zhu
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang, Liaoning, China.,Traditional Chinese Medical College, Shandong University of Traditional Chinese Medicine, Jinan, Shandong, China
| | - Shuaigao Chen
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang, Liaoning, China
| | - Weiwei Liu
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang, Liaoning, China
| | - Fanxing Xu
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang, Liaoning, China
| | - Jingyu Lu
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang, Liaoning, China
| | - Toshihiko Hayashi
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang, Liaoning, China.,Department of Chemistry and Life Science, School of Advanced Engineering Kogakuin University, Tokyo, Japan.,Nippi Research Institute of Biomatrix, Toride, Ibaraki, Japan
| | - Kazunori Mizuno
- Nippi Research Institute of Biomatrix, Toride, Ibaraki, Japan
| | - Shunji Hattori
- Nippi Research Institute of Biomatrix, Toride, Ibaraki, Japan
| | - Hitomi Fujisaki
- Nippi Research Institute of Biomatrix, Toride, Ibaraki, Japan
| | - Takashi Ikejima
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang, Liaoning, China.,Key Laboratory of Computational Chemistry-Based Natural Antitumor Drug Research & Development, Shenyang Pharmaceutical University, Shenyang, Liaoning, China
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5
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Qiu H, Guo R, Zhang Y, Ying J, Yan Y, Xiong J. A Bibliometric Analysis of the Hotspots Concerning Stem Cell Extracellular Vesicles for Diabetes in the Last 5 Years. Front Public Health 2022; 10:868440. [PMID: 35719682 PMCID: PMC9201211 DOI: 10.3389/fpubh.2022.868440] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2022] [Accepted: 05/03/2022] [Indexed: 11/13/2022] Open
Abstract
Background: Diabetes mellitus (DM) is a metabolic disease that endangers human health, and its prevalence is exploding and younger. Stem cell-derived extracellular vesicles (SC-EVs) have a repair function similar to SCs and no risk of tumor formation, which have been widely used in the repair of DM and its complications. We aim to map the hot trends of SC-EVs for the treatment of DM and providing directions for future research. Methods We screened all relevant publications on SC-EVs for DM from the Web of Science (Wos) during 2017–2021, and research trends in this field were analyzed by VOSviewer and CiteSpace. Results A total of 255 articles related to SC-EVs for DM were screened out according to the search strategy. China (122 publications and 2,759 citations) was the most productive country, followed by the USA (50 publications and 1,167 citations) and Italy (16 publications and 366 citations). The top five institutions with the most publications were located in Italy and China, with Turin University being the most productive. The journals Stem Cell Research and Therapy and International Journal of Molecular Sciences published most of the studies on SC-EVs for DM. ASHOK KUMAR published the majority of articles in this field, while QING LI was the most cited. Cluster analysis indicated that the current research trend is more focused on the repair mechanism and clinical translation of exosomes and their related preparations in promoting DM and its complications. Conclusion In this study, a comprehensive summary and analysis of the global research trends of SC-EVs used in DM and its complications was performed. In the past 5 years, relevant high-quality publications in this field have increased significantly, and SC-EVs have a good prospect for development in the treatment of DM and its complications.
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Affiliation(s)
- Haiyuan Qiu
- Department of Internal Medicine, Ningbo Psychiatric Hospital, Ningbo, China
| | - Rong Guo
- Department of Plastic Surgery, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China
| | - Yuanwen Zhang
- Department of Burns and Plastic Surgery, No. 926 Hospital, Joint Logistics Support Force of PLA, Kaiyuan, China
| | - Jianghui Ying
- Department of Plastic Surgery, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China
| | - Yazhou Yan
- Department of Neurosurgery, 971 Hospital of PLA, Qingdao, China
- Yazhou Yan
| | - Jiachao Xiong
- Department of Plastic Surgery, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China
- *Correspondence: Jiachao Xiong
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6
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Shamsuddin SA, Chan AML, Ng MH, Yazid MD, Law JX, Hj Idrus RB, Fauzi MB, Mohd Yunus MH, Lokanathan Y. Stem cells as a potential therapy in managing various disorders of metabolic syndrome: a systematic review. Am J Transl Res 2021; 13:12217-12227. [PMID: 34956448 PMCID: PMC8661211] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2021] [Accepted: 10/12/2021] [Indexed: 06/14/2023]
Abstract
Recent explorations on mesenchymal stem/stromal cells (MSC) have reported a promising future for cell-based therapies. MSCs are widely sourced from various tissues and express unique properties of regenerative potential and immunomodulation. Currently, there is a growing interest in utilizing MSC for treatment of chronic diseases to overcome the drawbacks of chemical drugs. Metabolic Syndrome (MetS) is described as a cluster of metabolic abnormalities categorized as abdominal obesity, dyslipidaemia, hypertension, hypertriglyceridemia, and hyperglycaemia. Patients diagnosed with MetS have a high predisposition for developing cardiovascular complications, diabetes, non-alcoholic fatty liver diseases, bone loss, cancer, and mortality. Hence, research on MSC as therapy for MetS and related diseases, is greatly valued and are advantaged by the low immunogenicity with high regenerative capacity. However, there are many obstacles to be addressed such as the safety, efficacy, and consistency of different MSC sources. Additionally, factors such as effective dose level and delivery method are equally important to achieve uniform therapeutic outcomes. This systematic review discusses the potential roles of MSC in managing the multiple clusters of MetS. Research articles during the past 20 years were systematically searched and filtered to update the progress in the field of MSC therapy in managing various components of MetS. The different sources of MSC, dosage, method of delivery and outcome measures for the stem cell therapies were compiled from the systematically selected research articles. It can be concluded from the review of the selected articles that MSCs can improve the various disorders of MetS such as abdominal obesity, hyperglycaemia, hypertriglyceridemia and hypertension, and represent a promising alternative to conventional therapy of the MetS cluster.
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Affiliation(s)
- Sharen Aini Shamsuddin
- Centre for Tissue Engineering and Regenerative Medicine, Faculty of Medicine, Universiti Kebangsaan MalaysiaCheras 56000, Kuala Lumpur, Malaysia
| | - Alvin Man Lung Chan
- Centre for Tissue Engineering and Regenerative Medicine, Faculty of Medicine, Universiti Kebangsaan MalaysiaCheras 56000, Kuala Lumpur, Malaysia
| | - Min Hwei Ng
- Centre for Tissue Engineering and Regenerative Medicine, Faculty of Medicine, Universiti Kebangsaan MalaysiaCheras 56000, Kuala Lumpur, Malaysia
| | - Muhammad Dain Yazid
- Centre for Tissue Engineering and Regenerative Medicine, Faculty of Medicine, Universiti Kebangsaan MalaysiaCheras 56000, Kuala Lumpur, Malaysia
| | - Jia Xian Law
- Centre for Tissue Engineering and Regenerative Medicine, Faculty of Medicine, Universiti Kebangsaan MalaysiaCheras 56000, Kuala Lumpur, Malaysia
| | - Ruszymah Binti Hj Idrus
- Centre for Tissue Engineering and Regenerative Medicine, Faculty of Medicine, Universiti Kebangsaan MalaysiaCheras 56000, Kuala Lumpur, Malaysia
| | - Mh Busra Fauzi
- Centre for Tissue Engineering and Regenerative Medicine, Faculty of Medicine, Universiti Kebangsaan MalaysiaCheras 56000, Kuala Lumpur, Malaysia
| | - Mohd Heikal Mohd Yunus
- Department of Physiology, Faculty of Medicine, Universiti Kebangsaan MalaysiaCheras 56000, Kuala Lumpur, Malaysia
| | - Yogeswaran Lokanathan
- Centre for Tissue Engineering and Regenerative Medicine, Faculty of Medicine, Universiti Kebangsaan MalaysiaCheras 56000, Kuala Lumpur, Malaysia
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7
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Human umbilical cord mesenchymal stem cells in type 2 diabetes mellitus: the emerging therapeutic approach. Cell Tissue Res 2021; 385:497-518. [PMID: 34050823 DOI: 10.1007/s00441-021-03461-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2020] [Accepted: 04/11/2021] [Indexed: 12/14/2022]
Abstract
The umbilical cord has been proved to be an easy-access, reliable, and useful source of mesenchymal stem cells (MSC) for clinical applications due to its primitive, immunomodulatory, non-immunogenic, secretory and paracrine, migratory, proliferative, and multipotent properties. This set of characteristics has recently attracted great research interest in the fields of nanotechnology and regenerative medicine and cellular therapy. Accumulating evidence supports a pronounced therapeutic potential of MSC in many different pathologies, from hematology to immunology, wound-healing, tissue regeneration, and oncology. Diabetes mellitus, branded the epidemic of the century, is considered a chronic metabolic disorder, representing a major burden for health system sustainability and an important public health challenge to modern societies. The available treatments for type 2 diabetes mellitus (T2DM) still rely mainly on combinations of oral antidiabetic agents with lifestyle and nutritional adjustments. Despite the continuous development of novel and better hypoglycemic drugs, their efficacy is limited in the installment and progression of silent T2DM complications. T2DM comorbidities and mortality rates still make it a serious, common, costly, and long-term manageable disease. Recently, experimental models, preclinical observations, and clinical studies have provided some insights and preliminary promising results using umbilical cord MSCs to treat and manage diabetes. This review focuses on the latest research and applications of human-derived umbilical cord MSC in the treatment and management of T2DM, exploring and systematizing the key effects of both umbilical cord MSC and its factor-rich secretome accordingly with the major complications associated to T2DM.
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8
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Ahmed Y, Ali ZY, Mohamed MA, Rashed LA, Mohamed EK. Impact of combined therapy of mesenchymal stem cells and sitagliptin on a metabolic syndrome rat model. J Diabetes Metab Disord 2021; 20:551-560. [PMID: 34222076 DOI: 10.1007/s40200-021-00778-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/09/2020] [Accepted: 03/20/2021] [Indexed: 12/20/2022]
Abstract
Background Emerging evidence suggests that mesenchymal stem cells (MSCs) have many anti-inflammatory and regenerative properties, which makes it a suitable candidate for the treatment of many diseases including metabolic syndrome (MetS). However, a major difficulty with stem cell therapy is to maintain cell viability, properties and function after implantation in vivo. This study aims to test the hypothesis that the combined therapy of MSCs and sitagliptin can effectively ameliorate MetS complications induced by high-fat and high-fructose diet (HFFD) in rats. Methods Rats were fed either standard diet (Control group) or HFFD. After 3 months, a group of HFFD animals was injected by a single dose of MSCs, another group received a daily oral dose of 10 mg/kg b.w. of sitagliptin, and the third group received the combined therapy of MSCs + sitagliptin for 1 month. Results Both MSCs and sitagliptin restored insulin sensitivity and reduced the HOMA-IR value in HFFD rats. The hepatic IRS-1 and Akt at both gene and protein levels, as well as the hepatic protein levels of IR and GLUT4 were improved. Downregulation of CHOP and NF-κB and upregulation of hepatic HO-1 expression and activity were also reported. Although MSCs and sitagliptin as monotherapy lead to remarkable effects, the dual application revealed the best results. Interestingly, histological findings confirmed these protective effects of the combined therapy against MetS complications. Conclusion Combined therapy of MSCs and sitagliptin can efficiently ameliorate the insulin resistance and promote the regeneration of hepatocytes in the metabolic syndrome rat model.
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Affiliation(s)
- Yossra Ahmed
- King Saud University, Riyadh, Saudi Arabia.,Faculty of Science, Al-Azhar University (Girls Branch), Cairo, Egypt
| | - Zeinab Y Ali
- National Organization of Drug Control and Research, Cairo, Egypt
| | - Mona A Mohamed
- Biochemistry Unit, Chemistry Department, Faculty of Science, Al-Azhar University (Girls Branch), Cairo, Egypt
| | - Laila A Rashed
- Biochemistry Department, Faculty of Medicine, Cairo University, Cairo, Egypt
| | - Ehsan K Mohamed
- National Organization of Drug Control and Research, Cairo, Egypt
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Bao Y, Zhao Z, Gao H. Effect of hTIMP-1 overexpression in human umbilical cord mesenchymal stem cells on the repair of pancreatic islets in type-1 diabetic mice. Cell Biol Int 2021; 45:1038-1049. [PMID: 33404139 DOI: 10.1002/cbin.11548] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Revised: 12/23/2020] [Accepted: 01/03/2021] [Indexed: 12/28/2022]
Abstract
Mesenchymal stem cells (MSCs) have been suggested for pancreatic islet repair in Type 1 diabetes mellitus (T1DM). This study aimed to investigate the effect of human umbilical cord MSCs (hUC-MSCs) transfected with tissue inhibitors of matrix metalloproteinase (TIMP)-1 on the regeneration of β-cell islets in vitro and in vivo. hUC-MSCs were isolated, cultured, and transfected with lentiviruses for the overexpression of hTIMP-1. An in vitro coculture system of hUC-MSCs and streptozotocin-induced islets was established to examine the morphology, apoptosis, and insulin secretion of the cocultured islets. Diabetic mouse models were injected with lenti-TIMP-1-enhanced green fluorescent protein (EGFP)-hUC-MSCs to test the effect of hTIMP-1 on insulin levels and glucose tolerance in vivo. The expression of insulin and glucagon was evaluated by immunofluorescence staining. The results showed that coculture with hUC-MSCs or Lenti-TIMP-1-EGFP-hUC-MSCs improved islet viability rates. Lenti-TIMP-1-EGFP-hUC-MSC coculture increased the insulin and C-peptide secretion function of the cultured islets and increased the secretion of tumor necrosis factor-β1, interleukin-6, IL-10, and hTIMP-1. hUC-MSCs, especially those transfected with Lenti-hTIMP-1-EGFP, showed a strong protective effect in diabetic mice by alleviating weight loss and improving glucose and insulin metabolism. In addition, transplantation rescued islet histology and function in vivo. The overexpression of TIMP-1 by hUC-MSCs seems to exert beneficial effects on pancreatic islet cells. In conclusion, this study may provide a new perspective on the development of hUC-MSC-based cell transplantation therapy for T1DM.
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Affiliation(s)
- Yu Bao
- Department of Nephrology, National Clinical Research Center for Child Health, The Children's Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Zhengyan Zhao
- Clinic of Division of Child Health Care, National Clinical Research Center for Child Health, The Children's Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Huihui Gao
- Department of Pediatric and Adolescent Gynaecology, National Clinical Research Center for Child Health, The Children's Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
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Montanucci P, Pescara T, Greco A, Leonardi G, Marini L, Basta G, Calafiore R. Co-microencapsulation of human umbilical cord-derived mesenchymal stem and pancreatic islet-derived insulin producing cells in experimental type 1 diabetes. Diabetes Metab Res Rev 2021; 37:e3372. [PMID: 32562342 DOI: 10.1002/dmrr.3372] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/29/2019] [Revised: 06/11/2020] [Accepted: 06/15/2020] [Indexed: 12/11/2022]
Abstract
INTRODUCTION Post-partum umbilical cord Wharton Jelly-derived adult mesenchymal stem cells (hUCMS) hold anti-inflammatory and immunosuppressive properties. Human pancreatic islet-derived progenitor cells (hIDC) may de-differentiate, and subsequently re-differentiate into insulin producing cells. The two cell types share common molecules that facilitate their synergistic interaction and possibly crosstalk, likely useful for the cell therapy of type 1 diabetes (T1D). MATERIALS AND METHODS Upon microencapsulation in sodium alginate (AG), hUCMS and hIDC were able to form cell co-aggregates that looked well integrated and viable. We then grafted microencapsulated hUCMS/hIDC co-aggregates into non-obese diabetic/severe combined immunodeficient (NOD/SCID) mice, and observed an acquired ability of cells to produce and store hormones. Finally, we transplanted these biohybrid constructs into NOD mice with recent onset, spontaneous overt diabetes, observing a decline of blood glucose levels. RESULTS In vitro, we have shown that hUCMS inhibited proliferation of allogeneic polymorphonuclear blood cells from patients with T1D, while promoting expansion of FoxP3+ Tregs. Reversal of hyperglycemia in diabetic NODs seems to suggest that hUCMS and hIDC, upon co-microencapsulation, anatomically and functionally synergized to accomplish two goals: maintain tracer insulin output by hIDC, while exploting the immunoregulatory properties of hUCMS. CONCLUSION We have gathered preliminary evidence that the two adult stem cell types within AG microcapsules, may synergistically promote tracer insulin production, while "freezing" the autoimmune disease process, and help reversal of the recent onset hyperglycemia in a spontaneous, autoimmune rodent model of diabetes, the NOD mouse, with no need for pharmacologic immunosuppression.
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Affiliation(s)
- Pia Montanucci
- Section of Internal Medicine and Endocrine and Metabolic Sciences (MISEM), Laboratory for Endocrine Cell Transplants and Biohybrid Organs, Department of Medicine, School of Medicine and Surgery, University of Perugia, Perugia, Italy
| | - Teresa Pescara
- Section of Internal Medicine and Endocrine and Metabolic Sciences (MISEM), Laboratory for Endocrine Cell Transplants and Biohybrid Organs, Department of Medicine, School of Medicine and Surgery, University of Perugia, Perugia, Italy
| | - Alessia Greco
- Section of Internal Medicine and Endocrine and Metabolic Sciences (MISEM), Laboratory for Endocrine Cell Transplants and Biohybrid Organs, Department of Medicine, School of Medicine and Surgery, University of Perugia, Perugia, Italy
| | - Giulia Leonardi
- Section of Internal Medicine and Endocrine and Metabolic Sciences (MISEM), Laboratory for Endocrine Cell Transplants and Biohybrid Organs, Department of Medicine, School of Medicine and Surgery, University of Perugia, Perugia, Italy
| | - Luigi Marini
- Section of Internal Medicine and Endocrine and Metabolic Sciences (MISEM), Department of Medicine, School of Medicine and Surgery, University of Perugia, Perugia, Italy
| | - Giuseppe Basta
- Section of Internal Medicine and Endocrine and Metabolic Sciences (MISEM), Laboratory for Endocrine Cell Transplants and Biohybrid Organs, Department of Medicine, School of Medicine and Surgery, University of Perugia, Perugia, Italy
| | - Riccardo Calafiore
- Section of Internal Medicine and Endocrine and Metabolic Sciences (MISEM), Laboratory for Endocrine Cell Transplants and Biohybrid Organs, Department of Medicine, School of Medicine and Surgery, University of Perugia, Perugia, Italy
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11
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Forbes S, Bond AR, Thirlwell KL, Burgoyne P, Samuel K, Noble J, Borthwick G, Colligan D, McGowan NWA, Lewis PS, Fraser AR, Mountford JC, Carter RN, Morton NM, Turner ML, Graham GJ, Campbell JDM. Human umbilical cord perivascular cells improve human pancreatic islet transplant function by increasing vascularization. Sci Transl Med 2021; 12:12/526/eaan5907. [PMID: 31941825 DOI: 10.1126/scitranslmed.aan5907] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2017] [Revised: 06/24/2019] [Accepted: 12/03/2019] [Indexed: 12/12/2022]
Abstract
Islet transplantation is an efficacious therapy for type 1 diabetes; however, islets from multiple donor pancreata are required, and a gradual attrition in transplant function is seen. Here, we manufactured human umbilical cord perivascular mesenchymal stromal cells (HUCPVCs) to Good Manufacturing Practice (GMP) standards. HUCPVCs showed a stable phenotype while undergoing rapid ex vivo expansion at passage 2 (p2) to passage 4 (p4) and produced proregenerative factors, strongly suppressing T cell responses in the resting state and in response to inflammation. Transplanting an islet equivalent (IEQ):HUCPVC ratio of 1:30 under the kidney capsule in diabetic NSG mice demonstrated the fastest return to normoglycemia by 3 days after transplant: Superior glycemic control was seen at both early (2.7 weeks) and later stages (7, 12, and 16 weeks) versus ratios of 1:0, 1:10, and 1:50, respectively. Syngeneic islet transplantation in immunocompetent mice using the clinically relevant hepatic portal route with a marginal islet mass showed that mice transplanted with an IEQ:HUCPVC ratio of 1:150 had superior glycemic control versus ratios of 1:0, 1:90, and 1:210 up to 6 weeks after transplant. Immunodeficient mice transplanted with human islets (IEQ:HUCPVC ratio of 1:150) exhibited better glycemic control for 7 weeks after transplant versus islet transplant alone, and islets transplanted via the hepatic portal vein in an allogeneic mouse model using a curative islet mass demonstrated delayed rejection of islets when cotransplanted with HUCPVCs (IEQ:HUCPVC ratio of 1:150). The immunosuppressive and proregenerative properties of HUCPVCs demonstrated long-term positive effects on graft function in vivo, indicating that they may improve long-term human islet allotransplantation outcomes.
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Affiliation(s)
- Shareen Forbes
- Centre for Cardiovascular Science, The Queen's Medical Research Institute, University of Edinburgh, Edinburgh EH16 4TJ, UK. .,Clinical Islet Transplantation Programme, Royal Infirmary of Edinburgh, Edinburgh EH16 4SU, UK
| | - Andrew R Bond
- Centre for Cardiovascular Science, The Queen's Medical Research Institute, University of Edinburgh, Edinburgh EH16 4TJ, UK
| | - Kayleigh L Thirlwell
- Advanced Therapeutics, Scottish National Blood Transfusion Service, Edinburgh EH14 4BE, UK.,Chemokine Research Group, Institute of Infection, Immunity and Inflammation, University of Glasgow, Glasgow G12 8TA, UK
| | - Paul Burgoyne
- Centre for Cardiovascular Science, The Queen's Medical Research Institute, University of Edinburgh, Edinburgh EH16 4TJ, UK.,Advanced Therapeutics, Scottish National Blood Transfusion Service, Edinburgh EH14 4BE, UK.,Chemokine Research Group, Institute of Infection, Immunity and Inflammation, University of Glasgow, Glasgow G12 8TA, UK
| | - Kay Samuel
- Advanced Therapeutics, Scottish National Blood Transfusion Service, Edinburgh EH14 4BE, UK
| | - June Noble
- Centre for Cardiovascular Science, The Queen's Medical Research Institute, University of Edinburgh, Edinburgh EH16 4TJ, UK
| | - Gary Borthwick
- Centre for Cardiovascular Science, The Queen's Medical Research Institute, University of Edinburgh, Edinburgh EH16 4TJ, UK
| | - David Colligan
- Advanced Therapeutics, Scottish National Blood Transfusion Service, Edinburgh EH14 4BE, UK
| | - Neil W A McGowan
- Advanced Therapeutics, Scottish National Blood Transfusion Service, Edinburgh EH14 4BE, UK
| | - Philip Starkey Lewis
- Medical Research Council (MRC) Centre for Regenerative Medicine, University of Edinburgh, 5 Little France Drive, Edinburgh EH16 4UU, UK
| | - Alasdair R Fraser
- Advanced Therapeutics, Scottish National Blood Transfusion Service, Edinburgh EH14 4BE, UK
| | - Joanne C Mountford
- Advanced Therapeutics, Scottish National Blood Transfusion Service, Edinburgh EH14 4BE, UK
| | - Roderick N Carter
- Centre for Cardiovascular Science, The Queen's Medical Research Institute, University of Edinburgh, Edinburgh EH16 4TJ, UK
| | - Nicholas M Morton
- Centre for Cardiovascular Science, The Queen's Medical Research Institute, University of Edinburgh, Edinburgh EH16 4TJ, UK
| | - Marc L Turner
- Advanced Therapeutics, Scottish National Blood Transfusion Service, Edinburgh EH14 4BE, UK
| | - Gerard J Graham
- Chemokine Research Group, Institute of Infection, Immunity and Inflammation, University of Glasgow, Glasgow G12 8TA, UK
| | - John D M Campbell
- Advanced Therapeutics, Scottish National Blood Transfusion Service, Edinburgh EH14 4BE, UK. .,Chemokine Research Group, Institute of Infection, Immunity and Inflammation, University of Glasgow, Glasgow G12 8TA, UK
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12
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Alatyyat SM, Alasmari HM, Aleid OA, Abdel-Maksoud MS, Elsherbiny N. Umbilical cord stem cells: Background, processing and applications. Tissue Cell 2020; 65:101351. [PMID: 32746993 DOI: 10.1016/j.tice.2020.101351] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2019] [Revised: 03/15/2020] [Accepted: 03/15/2020] [Indexed: 12/26/2022]
Abstract
Stem cells have currently gained attention in the field of medicine not only due to their ability to repair dysfunctional or damaged cells, but also they could be used as drug delivery system after being engineered to do so. Human umbilical cord is attractive source for autologous and allogenic stem cells that are currently amenable to treatment of various diseases. Human umbilical cord stem cells are -in contrast to embryonic and fetal stem cells- ethically noncontroversial, inexpensive and readily available source of cells. Umbilical cord, umbilical cord vein, amnion/placenta and Wharton's jelly are all rich of many types of multipotent stem cell populations capable of forming many different cell types. This review will focus on umbilical cord stem cells processing and current application in medicine.
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Affiliation(s)
- Shumukh M Alatyyat
- Pharm D Program, Faculty of Pharmacy, University of Tabuk, Tabuk, Saudi Arabia
| | - Houton M Alasmari
- Pharm D Program, Faculty of Pharmacy, University of Tabuk, Tabuk, Saudi Arabia
| | - Omamah A Aleid
- Pharm D Program, Faculty of Pharmacy, University of Tabuk, Tabuk, Saudi Arabia
| | - Mohamed S Abdel-Maksoud
- Department of Pharmacology & Toxicology, Faculty of Pharmacy, University of Tabuk, Tabuk, Saudi Arabia
| | - Nehal Elsherbiny
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Tabuk, Tabuk, Saudi Arabia; Department of Biochemistry, Faculty of Pharmacy, Mansoura University, Mansoura, Egypt.
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13
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Zhou Y, Zhou J, Sun B, Xu W, Zhong M, Li Y, He C, Chen Y, Wang X, Jones PM, Sun Z. Vitamin A deficiency causes islet dysfunction by inducing islet stellate cell activation via cellular retinol binding protein 1. Int J Biol Sci 2020; 16:947-956. [PMID: 32140064 PMCID: PMC7053333 DOI: 10.7150/ijbs.37861] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2019] [Accepted: 12/30/2019] [Indexed: 12/21/2022] Open
Abstract
Background: Vitamin A (VA) plays an essential role in pancreatic homeostasis. Islet stellate cells (ISCs) are VA-storing cells in pancreatic islets. Herein, we have investigated the effect of VA on glucose homeostasis trough regulation of ISCs function in dietary VA deficiency model mice. Methods: Male C57BL/6 mice were randomly fed a VA-sufficient, a VA-deficient (VAD) or a VAD-rescued diet. Glucose metabolism was assessed by glucose tolerance tests and immunohistochemistry. ISCs activation degree was evaluated by immunofluorescence, quantitative PCR and western blotting in both, retinol-treated cultured ISCs and model mice. Changes in ISCs phenotype and their effect on islets were assessed by lentiviral transduction and enzyme-linked immunosorbent assays in a co-culture system. Results: VAD mice showed irregular shaped islet, glucose intolerance, islet size distribution excursions, and upregulated expression of α-smooth muscle actin (α-SMA, marker of ISCs activation). Reintroduction of dietary VA restored pancreatic VA levels, endocrine hormone profiles, and inhibited ISCs activation. Incubation with retinol increased the expression of VA signaling factors in ISCs, including cellular retinol binding protein 1 (CRBP1). The knockdown of CRBP1 maintained the quiescent ISCs phenotype and reduced the damage of activated ISCs on islet function. Conclusions: VA deficiency reduced islet function by activating ISCs in VAD mice. Restoring ISCs quiescence via CRBP1 inhibition could reverse the impairment of islet function caused by activated ISCs exposure.
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Affiliation(s)
- Yunting Zhou
- Department of Endocrinology, Zhongda Hospital, Institute of Diabetes, School of Medicine, Southeast University, Nanjing, China
| | - Junming Zhou
- Department of Gastroenterology, Jinling Hospital, Medical School of Nanjing University, Nanjing, China
| | - Bo Sun
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, China
| | - Wei Xu
- Department of Diabetes, School of Life Course Sciences, King's College London, Guy's Campus, London, UK
| | - Ming Zhong
- Department of Biochemistry and Molecular Biology, School of Medicine, Southeast University, Nanjing, China
| | - Yumin Li
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, China
| | - Cong He
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, China
| | - Yang Chen
- Department of Endocrinology, Zhongda Hospital, Institute of Diabetes, School of Medicine, Southeast University, Nanjing, China
| | - Xiaohang Wang
- Department of Endocrinology, Zhongda Hospital, Institute of Diabetes, School of Medicine, Southeast University, Nanjing, China
| | - Peter M Jones
- Department of Diabetes, School of Life Course Sciences, King's College London, Guy's Campus, London, UK
| | - Zilin Sun
- Department of Endocrinology, Zhongda Hospital, Institute of Diabetes, School of Medicine, Southeast University, Nanjing, China
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14
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Zhou Y, Zhou J, Zhang Y, Tang J, Sun B, Xu W, Wang X, Chen Y, Sun Z. Changes in Intestinal Microbiota Are Associated with Islet Function in a Mouse Model of Dietary Vitamin A Deficiency. J Diabetes Res 2020; 2020:2354108. [PMID: 32064275 PMCID: PMC6996671 DOI: 10.1155/2020/2354108] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/03/2019] [Revised: 12/05/2019] [Accepted: 12/21/2019] [Indexed: 12/28/2022] Open
Abstract
AIMS The underlying mechanisms involved in Vitamin A- (VA-) related changes in glucose metabolic disorders remain unclear. Recent evidence suggests that intestinal microbiota is closely linked to the metabolic syndrome. Here, we explored whether and how intestinal microbiota affects glucose homeostasis in VA-deficient diet-fed mice. METHODS Six-week-old male C57BL/6 mice were randomly placed on either a VA-sufficient (VAS) or VA-deficient (VAD) diet for 10 weeks. Subsequently, a subclass of the VAD diet-fed mice was switched to a VA-deficient rescued (VADR) diet for an additional 8 weeks. The glucose metabolic phenotypes of the mice were assessed using glucose tolerance tests and immunohistochemistry staining. Changes in intestinal microbiota were assessed using 16S gene sequencing. The intestinal morphology, intestinal permeability, and inflammatory response activation signaling pathway were assessed using histological staining, western blots, quantitative-PCR, and enzyme-linked immunosorbent assays. RESULTS VAD diet-fed mice displayed reduction of tissue VA levels, increased area under the curve (AUC) of glucose challenge, reduced glucose-stimulated insulin secretion, and loss of β cell mass. Redundancy analysis showed intestinal microbiota diversity was significantly associated with AUC of glucose challenge and β cell mass. Redundancy analysis showed intestinal microbiota diversity was significantly associated with AUC of glucose challenge and κB signaling pathway activation. Reintroduction of dietary VA to VAD diet-fed mice restored tissue VA levels, endocrine hormone profiles, and inflammatory response, which are similar to those observed following VAS-controlled changes in intestinal microbiota. CONCLUSIONS We found intestinal microbiota effect islet function via controlling intestinal inflammatory phenotype in VAD diet-fed mice. Intestinal microbiota influences could be considered as an additional mechanism for the effect of endocrine function in a VAD diet-driven mouse model.
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Affiliation(s)
- Yunting Zhou
- Department of Endocrinology, Zhongda Hospital, Institute of Diabetes, School of Medicine, Southeast University, Nanjing, China
| | - Junming Zhou
- Department of Gastroenterology, Jinling Hospital, Medical School of Nanjing University, Nanjing, China
| | - Yumin Zhang
- Department of Endocrinology, Zhongda Hospital, Institute of Diabetes, School of Medicine, Southeast University, Nanjing, China
| | - Jun Tang
- Department of Anesthesiology, Jinling Hospital, Medical School of Nanjing University, Nanjing, China
| | - Bo Sun
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, China
| | - Wei Xu
- Department of Diabetes, School of Life Course Sciences, King's College London, Guy's Campus, London, UK
| | - Xiaohang Wang
- Department of Endocrinology, Zhongda Hospital, Institute of Diabetes, School of Medicine, Southeast University, Nanjing, China
| | - Yang Chen
- Department of Endocrinology, Zhongda Hospital, Institute of Diabetes, School of Medicine, Southeast University, Nanjing, China
| | - Zilin Sun
- Department of Endocrinology, Zhongda Hospital, Institute of Diabetes, School of Medicine, Southeast University, Nanjing, China
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15
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Oliva J. Therapeutic Properties of Mesenchymal Stem Cell on Organ Ischemia-Reperfusion Injury. Int J Mol Sci 2019; 20:ijms20215511. [PMID: 31694240 PMCID: PMC6862572 DOI: 10.3390/ijms20215511] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2019] [Revised: 10/29/2019] [Accepted: 11/02/2019] [Indexed: 12/13/2022] Open
Abstract
The shortage of donor organs is a major global concern. Organ failure requires the transplantation of functional organs. Donor’s organs are preserved for variable periods of warm and cold ischemia time, which requires placing them into a preservation device. Ischemia and reperfusion damage the organs, due to the lack of oxygen during the ischemia step, as well as the oxidative stress during the reperfusion step. Different methodologies are developed to prevent or to diminish the level of injuries. Preservation solutions were first developed to maximize cold static preservation, which includes the addition of several chemical compounds. The next chapter of organ preservation comes with the perfusion machine, where mechanical devices provide continuous flow and oxygenation ex vivo to the organs being preserved. In the addition of inhibitors of mitogen-activated protein kinase and inhibitors of the proteasome, mesenchymal stem cells began being used 13 years ago to prevent or diminish the organ’s injuries. Mesenchymal stem cells (e.g., bone marrow stem cells, adipose derived stem cells and umbilical cord stem cells) have proven to be powerful tools in repairing damaged organs. This review will focus upon the use of some bone marrow stem cells, adipose-derived stem cells and umbilical cord stem cells on preventing or decreasing the injuries due to ischemia-reperfusion.
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Affiliation(s)
- Joan Oliva
- Emmaus Medical, Inc., 21250 Hawthorne Blvd, Suite 800, Torrance, CA 90503, USA
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16
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Li W, Zhou Y, Wang X, Cai M, Gao F, Carlsson PO, Sun Z. A modified in vitro tool for isolation and characterization of rat quiescent islet stellate cells. Exp Cell Res 2019; 384:111617. [PMID: 31505166 DOI: 10.1016/j.yexcr.2019.111617] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2018] [Revised: 09/02/2019] [Accepted: 09/05/2019] [Indexed: 02/07/2023]
Abstract
BACKGROUND Islet stellate cells (ISCs) play a critical role in islet fibrosis, contributing to the progression of pancreatic diseases. Previous studies have focused on fibrosis-associated activated ISCs obtained by standard islet explant techniques. However, in vitro models of quiescent ISCs (qISCs) are lacking. This study aims to develop a method to isolate qISCs and analyze their phenotype during activation. METHODS Immunofluorescence staining was applied to localize ISCs in normal human, rat, and mouse islets. qISCs were isolated from rat islets using density gradient centrifugation (DGC) method. qRT-PCR, immunoblotting, proliferation, and migration assays were employed for their characterization. RESULTS Desmin-positive ISCs were detected in normal human, rat, and mouse islets. Freshly isolated qISCs, obtained by density gradient centrifugation, displayed a polygonal appearance with refringent cytoplasmic lipid droplets and expressed transcriptional markers indicating a low activation/quiescent state. With increasing culture time, the marker expression pattern changed, reflecting ISC activation. qISCs contained more lipid droplets and exhibited lower proliferation and migration abilities compared to spindle-shaped ISCs obtained by traditional explant techniques. CONCLUSIONS This study describes a new method for efficient isolation of qISCs from rat islets, representing a useful in vitro tool to study the biology of ISCs in more physiological conditions.
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Affiliation(s)
- Wei Li
- Department of Endocrinology, Zhongda Hospital, Institute of Diabetes, School of Medicine, Southeast University, Nanjing, China
| | - Yunting Zhou
- Department of Endocrinology, Zhongda Hospital, Institute of Diabetes, School of Medicine, Southeast University, Nanjing, China
| | - Xiaohang Wang
- Department of Endocrinology, Zhongda Hospital, Institute of Diabetes, School of Medicine, Southeast University, Nanjing, China
| | - Min Cai
- Department of Endocrinology, Zhongda Hospital, Institute of Diabetes, School of Medicine, Southeast University, Nanjing, China
| | - Feng Gao
- Graduate Innovation Platform of Southeast University, Nanjing, China
| | - Per-Ola Carlsson
- Department of Medical Cell Biology, Uppsala University, Uppsala, Sweden
| | - Zilin Sun
- Department of Endocrinology, Zhongda Hospital, Institute of Diabetes, School of Medicine, Southeast University, Nanjing, China.
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17
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Lipotoxicity reduces β cell survival through islet stellate cell activation regulated by lipid metabolism-related molecules. Exp Cell Res 2019; 380:1-8. [DOI: 10.1016/j.yexcr.2019.04.012] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2018] [Revised: 02/22/2019] [Accepted: 04/10/2019] [Indexed: 12/17/2022]
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18
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Kaya-Sezginer E, Yilmaz-Oral D, Gur S. Administration of human umbilical cord blood mononuclear cells restores bladder dysfunction in streptozotocin-induced diabetic rats. Low Urin Tract Symptoms 2019; 11:232-240. [PMID: 31207098 DOI: 10.1111/luts.12268] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2018] [Revised: 02/01/2019] [Accepted: 04/24/2019] [Indexed: 12/17/2022]
Abstract
OBJECTIVE This study evaluated the effect of human umbilical cord blood mononuclear cells (HUCB-MNCs) on bladder dysfunction in streptozotocin (STZ; 35 mg/kg, i.v.)-induced diabetic rats. METHODS Adult male Sprague-Dawley rats (n = 30) were equally divided into three groups: control group, STZ-diabetic group, and HUCB-MNC-treated group (1 × 106 cells). HUCB-MNCs were isolated by density gradient centrifugation from eight healthy donors and injected into the corpus cavenosum in STZ-diabetic rats 4 weeks after the induction of diabetes. Studies were performed 4 weeks after HUCB-MNC or vehicle injection. In vitro organ bath studies were performed on bladder strips, whereas protein expression of hypoxia-inducible factor (HIF)-1α, vascular endothelial growth factor (VEGF), and α-smooth muscle actin (SMA) in the bladder and the ratio of smooth muscle cells (SMCs) to collagen were determined using western blotting and Masson trichrome staining. RESULTS Neurogenic contractions of detrusor smooth muscle strips were 55% smaller in the diabetic group than control group (P < 0.05); these contractions were normalized by HUCB-MNC treatment. In addition, HUCB-MNC treatment restored the impaired maximal carbachol-induced contractile response in detrusor strips in the diabetic group (29%; P < 0.05). HUCB-MNC treatment improved the KCl-induced contractile response in the diabetic bladder (68%; P < 0.05), but had no effect on ATP-induced contractile responses. Increased expression of HIF-1α and VEGF protein and decreased expression of α-SMA protein and the SMC/collagen ratio in diabetic rats were reversed by HUCB-MNC. CONCLUSION Administration of HUCB-MNCs facilitates bladder function recovery, which is likely related to downregulation of HIF-1α expression and attenuation of fibrosis in STZ-diabetic rats.
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Affiliation(s)
- Ecem Kaya-Sezginer
- Department of Biochemistry, Faculty of Pharmacy, Ankara University, Ankara, Turkey
| | - Didem Yilmaz-Oral
- Department of Pharmacology, Faculty of Pharmacy, Ankara University, Ankara, Turkey.,Department of Pharmacology, Faculty of Pharmacy, Cukurova University, Adana, Turkey
| | - Serap Gur
- Department of Pharmacology, Faculty of Pharmacy, Ankara University, Ankara, Turkey
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19
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Kharat A, Chandravanshi B, Gadre S, Patil V, Bhonde R, Dubhashi A. IGF-1 and somatocrinin trigger islet differentiation in human amniotic membrane derived mesenchymal stem cells. Life Sci 2018; 216:287-294. [PMID: 30444986 DOI: 10.1016/j.lfs.2018.11.028] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2018] [Revised: 11/05/2018] [Accepted: 11/12/2018] [Indexed: 12/13/2022]
Abstract
AIM To induce differentiation of human amniotic membrane derived mesenchymal stem cells (hAMMSCs) into insulin producing cells (IPCs) by treating with somatocrinin or growth hormone releasing hormone (GHRH) and Insulin-like growth factor-1 (IGF-1). MAIN METHOD In this investigation, we cultivated and characterized hAMMSCs and then treated with IGF-1 and somatocrinin to find out whether this combination gives better yield of insulin producing cells. We showed that hAMMSCs can give rise to IPCs on exposure to serum-free defined media containing specific growth factors and differentiating agents in presence of IGF-1 and somatocrinin. KEY FINDING A combination of IGF-1 and somatocrinin lead to differentiation of large number of IPCs from hAMMSCs. These IPCs were found to be positive for dithizone indicating their insulin secretory mechanism. Moreover these cells were also found to be positive for C-peptide. IPCs released insulin in response to glucose challenge. Gene expression analysis exhibited significant up-regulation of pancreatic transcription factor GLUT2 and Insulin. SIGNIFICANCE Our data thus demonstrates for the first time that somatocrinin and IGF-1 synergistically enhance the differentiation of hAMMSCs into IPCs.
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Affiliation(s)
- Avinash Kharat
- Department of Bio-anylatical Sciences, Guru Nanak Khalsa College of Arts, Science & Commerce, Nathalal Parekh Marg, Matunga East, Mumbai 400019, Maharashtra, India; Regenerative Medicine Laboratory, Dr. D. Y. Patil Dental College & Hospital, Dr. D. Y. Patil Vidyapeeth, Pimpri, Pune, Maharashtra 411018, India
| | - Bhawna Chandravanshi
- School of Regenerative Medicine, Manipal University, MAHE, GKVK Post, Bellary Road Allalasandra, Near Royal Orchid Yelahanka, Bangalore 560065, India
| | - Shashikant Gadre
- Department of Bio-anylatical Sciences, Guru Nanak Khalsa College of Arts, Science & Commerce, Nathalal Parekh Marg, Matunga East, Mumbai 400019, Maharashtra, India
| | - Vikrant Patil
- Regenerative Medicine Laboratory, Dr. D. Y. Patil Dental College & Hospital, Dr. D. Y. Patil Vidyapeeth, Pimpri, Pune, Maharashtra 411018, India
| | - Ramesh Bhonde
- Regenerative Medicine Laboratory, Dr. D. Y. Patil Dental College & Hospital, Dr. D. Y. Patil Vidyapeeth, Pimpri, Pune, Maharashtra 411018, India.
| | - Aparna Dubhashi
- Department of Bio-anylatical Sciences, Guru Nanak Khalsa College of Arts, Science & Commerce, Nathalal Parekh Marg, Matunga East, Mumbai 400019, Maharashtra, India.
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20
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Shroff G, Shroff R, Gupta R. Analysis of the regulation pathways via microarray and miRNA studies: human embryonic stem cells to treat diabetes mellitus type-II. AMERICAN JOURNAL OF STEM CELLS 2018; 7:48-55. [PMID: 29938125 PMCID: PMC6013722] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 02/07/2018] [Accepted: 04/15/2018] [Indexed: 06/08/2023]
Abstract
Diabetes mellitus occurs either due to an autoimmune destruction of β cells (Type 1) or resistance to insulin effects (Type 2). Diverse conventional medications are used for treatment of diabetes, which is associated with long term complications such as kidney failure, blindness, and stroke. We recently showed the potential of human embryonic stem cells (hESCs) in 95 patients with type 2 diabetes. In the present study, we use the microarray and miRNA studies to prove why hESCs are effective in diabetes. Three samples of hESCs were cultured and microarray technology was used for the analysis of diabetic pathways. The gene targets for miRNA were analyzed using gene ontology (GO) and DAVID database. Genes involved in the diabetic pathways were classified in accordance with GO analysis. Pathways for these genes were determined using Reactome and Panther databases. The up and down-regulation of all the genes involved were confirmed with the significant p-values. Pathways for insulin secretion, binding and its positive regulation were up-regulated while the pathways for negative regulation of insulin were significantly down-regulated. hESCs cultured at our facility have the capability to regenerate the pancreatic β cells after transplantation; as the insulin secretion pathways were significantly up-regulated.
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Affiliation(s)
- Geeta Shroff
- Nutech Mediworld H-8, Green Park Extension, New Delhi-110016, India
| | - Rhea Shroff
- Department of Administration, Nutech Mediworld New Delhi, India
| | - Rakesh Gupta
- Internal Medicine, Indraprastha Apollo Hospital New Delhi, India
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21
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Liu B, Chen F, Wu Y, Wang X, Feng M, Li Z, Zhou M, Wang Y, Wu L, Liu X, Liang D. Enhanced tumor growth inhibition by mesenchymal stem cells derived from iPSCs with targeted integration of interleukin24 into rDNA loci. Oncotarget 2018; 8:40791-40803. [PMID: 28388559 PMCID: PMC5522332 DOI: 10.18632/oncotarget.16584] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2016] [Accepted: 03/13/2017] [Indexed: 12/16/2022] Open
Abstract
Induced pluripotent stem cells (iPSCs) are a promising source of mesenchymal stem cells (MSCs) for clinical applications. In this study, we transformed human iPSCs using a non-viral vector carrying the IL24 transgene pHrn-IL24. PCR and southern blotting confirmed IL24 integration into the rDNA loci in four of 68 iPSC clones. We then differentiated a high expressing IL24-iPSC clone into MSCs (IL24-iMSCs) that showed higher expression of IL24 in culture supernatants and in cell lysates than control iMSCs. IL24-iMSCs efficiently differentiated into osteoblasts, chondrocytes and adipocytes. Functionally, IL24-iMSCs induced in vitro apoptosis in B16-F10 melanoma cells more efficiently than control iMSCs when co-cultured in Transwell assays. In vivo tumor xenograft studies in mice demonstrated that IL24-iMSCs inhibited melanoma growth more than control iMSCs did. Immunofluorescence and histochemical analysis showed larger necrotic areas and cell nuclear aggregation in tumors with IL24-iMSCs than control iMSCs, indicating that IL24-iMSCs inhibited tumor growth by inducing apoptosis. These findings demonstrate efficient transformation of iPSCs through gene targeting with non-viral vectors into a rDNA locus. The ability of these genetically modified MSCs to inhibit in vivo melanoma growth is suggestive of the clinical potential of autologous cell therapy in cancer.
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Affiliation(s)
- Bo Liu
- The State Key Laboratory of Medical Genetics and School of Life Sciences, Central South University, Changsha, China
| | - Fei Chen
- The State Key Laboratory of Medical Genetics and School of Life Sciences, Central South University, Changsha, China
| | - Yong Wu
- The State Key Laboratory of Medical Genetics and School of Life Sciences, Central South University, Changsha, China
| | - Xiaolin Wang
- The State Key Laboratory of Medical Genetics and School of Life Sciences, Central South University, Changsha, China
| | - Mai Feng
- The State Key Laboratory of Medical Genetics and School of Life Sciences, Central South University, Changsha, China
| | - Zhuo Li
- The State Key Laboratory of Medical Genetics and School of Life Sciences, Central South University, Changsha, China
| | - Miaojin Zhou
- The State Key Laboratory of Medical Genetics and School of Life Sciences, Central South University, Changsha, China
| | - Yanchi Wang
- The State Key Laboratory of Medical Genetics and School of Life Sciences, Central South University, Changsha, China
| | - Lingqian Wu
- The State Key Laboratory of Medical Genetics and School of Life Sciences, Central South University, Changsha, China
| | - Xionghao Liu
- The State Key Laboratory of Medical Genetics and School of Life Sciences, Central South University, Changsha, China
| | - Desheng Liang
- The State Key Laboratory of Medical Genetics and School of Life Sciences, Central South University, Changsha, China
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22
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Anjum MS, Mehmood A, Ali M, Butt H, Khan SN, Riazuddin S. Transplantation of stromal-derived factor 1α and basic fibroblast growth factor primed insulin-producing cells reverses hyperglycaemia in diabetic rats. Growth Factors 2017; 35:88-99. [PMID: 28835141 DOI: 10.1080/08977194.2017.1363745] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
The defective insulin production is associated with severely reduced islet cell mass leading to diabetes. Growth factors preconditioned stem cells have arisen as an effective therapy to treat many diseases including diabetes. The current study was designed to assess the effect of pretreatment of ASCs derived IPCs with combination of stromal cell derived factor 1 alpha (SDF1α) and basic fibroblast growth factor (bFGF) in improving glucose tolerance in streptozotocin induced diabetic rats. The results showed maximally significant reduction in hyperglycaemia and fibrosis, while up-regulation of survival and pancreas-specific genes, insulin levels and homing of transplanted cells in SDF-1α + bFGF IPCs transplanted rats as compared with other groups. Moreover, increased expression of insulin, glucagon and Glut-2 in pancreas of the SDF-1α + bFGF IPCs transplanted group indicated more regeneration of pancreas. Hence, the use of IPCs preconditioned with SDF-1α + bFGF would be more effective for treating diabetes.
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Affiliation(s)
- Muhammad Sohail Anjum
- a Centre of Excellence in Molecular Biology , University of Punjab , Lahore , Pakistan
| | - Azra Mehmood
- a Centre of Excellence in Molecular Biology , University of Punjab , Lahore , Pakistan
| | - Muhammad Ali
- a Centre of Excellence in Molecular Biology , University of Punjab , Lahore , Pakistan
| | - Hira Butt
- a Centre of Excellence in Molecular Biology , University of Punjab , Lahore , Pakistan
| | - Shaheen N Khan
- a Centre of Excellence in Molecular Biology , University of Punjab , Lahore , Pakistan
| | - Sheikh Riazuddin
- a Centre of Excellence in Molecular Biology , University of Punjab , Lahore , Pakistan
- b Allama Iqbal Medical College, University of Health Sciences , Lahore , Pakistan
- c Pakistan Institute of Medical Sciences (PIMS) , Shaheed Zulfiqar Ali Bhutto Medical University (SZABMU) , Islamabad , Pakistan
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23
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Chandravanshi B, Bhonde RR. Shielding Engineered Islets With Mesenchymal Stem Cells Enhance Survival Under Hypoxia. J Cell Biochem 2017; 118:2672-2683. [PMID: 28098405 DOI: 10.1002/jcb.25885] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2016] [Accepted: 01/13/2017] [Indexed: 12/21/2022]
Abstract
In the present study we focused on the improvisation of islet survival in hypoxia.The Islet like cell aggregates (ICAs) derived from wharton's jelly mesenchymal stem cells (WJ MSC) were cultured with and without WJ MSC for 48 h in hypoxia and normoxia and tested for their direct trophic effect on β cell survival. The WJ MSCs themselves secreted insulin upon glucose challenge and expressed the pancreatic markers at both transcription and translational level (C-peptide, Insulin, Glucagon, and Glut 2). Direct contact of MSCs with ICAs facilitated highest viability under hypoxia as evidenced by fluorescein diacetate/propidium iodide and 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay. The cytokine analysis of the co-cultured ICAs revealed amplification of anti-inflammatory cytokine like TGFβ and TNFα accompanied by depletion of pro-inflammatory cytokines. The increment in VEGF and PDGFa was also seen showing their ability to vascularize upon transplantation. This was further accompanied by reduction in total reactive oxygen species, nitric oxide, and super oxide ions and down regulation of Caspase3, Caspase8, p53, and up regulation of Bcl2 confirming prevention of apoptosis in ICAs. The western blot analysis confirmed the cytoprotective effect of WJ MSC on ICAs as they enhanced the anti-apoptotic marker BCL2 and reduced the expression of apoptotic markers, Annexin 5 and Caspase 3. There was a significant reduction in the expression of p38 protein in the presence of MSCs making the ICAs responsive to glucose. Taken together our data demonstrate for the first time that the WJ MSC expressed pancreatic markers and their supplementation protected engineered islets against hypoxia and oxidative stress. J. Cell. Biochem. 118: 2672-2683, 2017. © 2017 Wiley Periodicals, Inc.
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Affiliation(s)
- Bhawna Chandravanshi
- School of Regenerative Medicine, Manipal University, Bangalore, Karnataka, India
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24
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The Roles of Insulin-Like Growth Factors in Mesenchymal Stem Cell Niche. Stem Cells Int 2017; 2017:9453108. [PMID: 28298931 PMCID: PMC5337393 DOI: 10.1155/2017/9453108] [Citation(s) in RCA: 50] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2016] [Revised: 12/22/2016] [Accepted: 01/18/2017] [Indexed: 12/12/2022] Open
Abstract
Many tissues contain adult mesenchymal stem cells (MSCs), which may be used in tissue regeneration therapies. However, the MSC availability in most tissues is limited which demands expansion in vitro following isolation. Like many developing cells, the state of MSCs is affected by the surrounding microenvironment, and mimicking this natural microenvironment that supports multipotent or differentiated state in vivo is essential to understand for the successful use of MSC in regenerative therapies. Many researchers are, therefore, optimizing cell culture conditions in vitro by altering growth factors, extracellular matrices, chemicals, oxygen tension, and surrounding pH to enhance stem cells self-renewal or differentiation. Insulin-like growth factors (IGFs) system has been demonstrated to play an important role in stem cell biology to either promote proliferation and self-renewal or enhance differentiation onset and outcome, depending on the cell culture conditions. In this review, we will describe the importance of IGFs, IGF-1 and IGF-2, in development and in the MSC niche and how they affect the pluripotency or differentiation towards multiple lineages of the three germ layers.
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25
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Dang LTT, Bui ANT, Le-Thanh Nguyen C, Truong NC, Bui ATV, Kim NP, Truong KD, Van Pham P. Intravenous Infusion of Human Adipose Tissue-Derived Mesenchymal Stem Cells to Treat Type 1 Diabetic Mellitus in Mice: An Evaluation of Grafted Cell Doses. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2017; 1083:145-156. [PMID: 29423674 DOI: 10.1007/5584_2017_127] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Mesenchymal stem cell (MSC) transplantation is a novel treatment for diabetes mellitus, especially type 1 diabetes. Many recent publications have demonstrated the efficacy of MSC transplantation on reducing blood glucose and increasing insulin production in both preclinical and clinical trials. However, the investigation of grafted cell doses has been lacking. Therefore, this study aimed to evaluate the different doses of MSCs on treatment of type 1 diabetes in mouse models. MSCs were isolated and expanded from human adipose tissue. Streptozotocin (STZ)-induced diabetic mice were divided into two groups that were intravenously transfused with two different doses of human MSCs: 106 or 2.106 cells/mouse. After transplantation, both grafted and placebo mice were monitored weekly for their blood glucose levels, glucose and insulin tolerance, pancreatic structural changes, and insulin production for 56 days after transplantation. The results showed that the higher dose of MSCs (2.106 cells/mouse) remarkably reduced death rate. The death rates were 50%, 66%, and 0% in placebo group, low-dose (1.106 MSCs) group, and high-dose (2.106 MSCs) group, respectively, after 56 days of treatment. Moreover, blood glucose levels were lower for the high-dose group compared to other groups. Glucose and insulin tolerance, as well as insulin production, were significantly improved in mice transplanted with 2.106 cells. The histochemical analyses also support these results. Thus, a higher (e.g., 2.106) dose of MSCs may be an effective dose for treatment of type 1 diabetes mellitus.
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Affiliation(s)
- Loan Thi-Tung Dang
- Stem Cell Institute, University of Science, VNUHCM, Ho Chi Minh city, Vietnam
| | - Anh Nguyen-Tu Bui
- Stem Cell Institute, University of Science, VNUHCM, Ho Chi Minh city, Vietnam
| | - Cong Le-Thanh Nguyen
- Stem Cell Institute, University of Science, VNUHCM, Ho Chi Minh city, Vietnam
- Laboratory of Stem Cell Research and Application, University of Science, VNUHCM, Ho Chi Minh city, Vietnam
| | - Nhat Chau Truong
- Stem Cell Institute, University of Science, VNUHCM, Ho Chi Minh city, Vietnam
- Laboratory of Stem Cell Research and Application, University of Science, VNUHCM, Ho Chi Minh city, Vietnam
| | - Anh Thi-Van Bui
- Stem Cell Institute, University of Science, VNUHCM, Ho Chi Minh city, Vietnam
- Laboratory of Stem Cell Research and Application, University of Science, VNUHCM, Ho Chi Minh city, Vietnam
| | - Ngoc Phan Kim
- Stem Cell Institute, University of Science, VNUHCM, Ho Chi Minh city, Vietnam
| | | | - Phuc Van Pham
- Stem Cell Institute, University of Science, VNUHCM, Ho Chi Minh city, Vietnam.
- Laboratory of Stem Cell Research and Application, University of Science, VNUHCM, Ho Chi Minh city, Vietnam.
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26
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Tyurenkov IN, Kurkin DV, Bakulin DA, Volotova EV, Chafeev MA, Smirnov AV, Morkovin EI. ZB-16, a Novel GPR119 Agonist, Relieves the Severity of Streptozotocin-Nicotinamide-Induced Diabetes in Rats. Front Endocrinol (Lausanne) 2017; 8:152. [PMID: 28736546 PMCID: PMC5500613 DOI: 10.3389/fendo.2017.00152] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/23/2017] [Accepted: 06/16/2017] [Indexed: 02/01/2023] Open
Abstract
GPR119 is involved in the regulation of incretin and insulin secretion, so the GPR119 agonists have been suggested as novel antidiabetic medications. The purpose of this work was to assess the influence of novel GPR119 agonist ZB-16 on the glucose utilization, insulin, and glucagon-like peptide-1 (GLP-1) secretion and the morphology of pancreas in rats with streptozotocin-nicotinamide-induced diabetes. 45 male Wistar rats were used in the study. The criteria of streptozotocin-nicotinamide-induced diabetes were blood glucose levels of 9-14 mmol/l measured in fasting conditions on the third day since administration of streptozotocin (65 mg/kg) and nicotinamide (230 mg/kg). Animals failed to reach the criteria were excluded from the experiment. The substances were administered per os once per day for 28 days. Measurements included blood glucose monitoring (every 7 days), glucose tolerance test (every 14 days), the assessment of insulin and GLP-1 levels in blood plasma (28 days after beginning), and the results of immunohistochemical staining of pancreas. It was found that ZB-16 (1 mg/kg per os, once a day) decreases the blood glucose levels under fasting conditions and improves the glucose utilization. These changes were associated with the increase in stimulated secretion of GLP-1 and insulin, accompanied by the growth of insulin-positive cells in pancreas. Thus, ZB-16 could be a promising antidiabetic drug for oral administration.
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Affiliation(s)
| | - Denis V. Kurkin
- Volgograd State Medical University (VSMU), Volgograd, Russia
| | - Dmitry A. Bakulin
- Volgograd State Medical University (VSMU), Volgograd, Russia
- *Correspondence: Dmitry A. Bakulin,
| | | | | | - Alexey V. Smirnov
- Volgograd State Medical University (VSMU), Volgograd, Russia
- Volgograd Medical Research Center (VMRC), Volgograd, Russia
| | - Evgeny I. Morkovin
- Volgograd State Medical University (VSMU), Volgograd, Russia
- Volgograd Medical Research Center (VMRC), Volgograd, Russia
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27
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Chandravanshi B, Bhonde R. Small molecules exert anti-apoptotic effect and reduce oxidative stress augmenting insulin secretion in stem cells engineered islets against hypoxia. Eur J Pharmacol 2016; 791:424-432. [PMID: 27614129 DOI: 10.1016/j.ejphar.2016.09.012] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2016] [Revised: 09/06/2016] [Accepted: 09/06/2016] [Indexed: 01/09/2023]
Abstract
Transplantation of pancreatic islets is the most reliable treatment for Type 1 diabetes. However cell death mediated by hypoxia is considered as one of the main difficulties hindering success in islet transplantation. The aim of our experiment was to investigate the role of small molecules in survival of Islet like cell aggregates (ICAs) engineered from umbilical cord matrix under oxygen deprived condition (<5% O2). ICAs were analyzed for cell death via fluoroscein diacetate/propidium iodide (FDA/PI) staining, estimation of Caspase 3 and free radical release in presence and absence of small molecules. The samples were also analyzed for the presence of hypoxia inducible factor 1α (HIF1α) at both transcriptional and translational level. The addition of small molecules showed profound defensive effect on ICAs under hypoxic environment as evidenced by their viability and insulin secretion compared to untreated ICAs. The combinations of Eicosapentaenoic acid (EPA), Docosahexaenoic acid(DHA) and metformin and EPA, DHAandγ amino butyric acid (GABA) acted as anti-apoptotic agents for human ICAs when exposed to 1% O2 for 48h. The combinations of the small molecules reduced the total reactive oxygen species and malonaldehyde (MDA) levels and enhanced the production of glutathione peroxidise (GPx) enzyme under hypoxic conditions. Finally the increase in HIF1α at both protein and gene level confirmed the defensive effect of the additives in hypoxia. These results suggest that the combination of small molecules maintained the viability and functionality of the ICAs in hypoxia by up-regulating HIF1α expression and down regulating the Caspase 3 activity.
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Affiliation(s)
- Bhawna Chandravanshi
- School of Regenerative Medicine, Manipal University, GKVK Post, Bellary Road, Allalasandra, Yelahanka, 560065 Bangalore, India
| | - Ramesh Bhonde
- School of Regenerative Medicine, Manipal University, GKVK Post, Bellary Road, Allalasandra, Yelahanka, 560065 Bangalore, India.
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28
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Shroff G. Therapeutic potential of human embryonic stem cells in type 2 diabetes mellitus. World J Stem Cells 2016; 8:223-230. [PMID: 27468331 PMCID: PMC4958687 DOI: 10.4252/wjsc.v8.i7.223] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/22/2016] [Revised: 04/29/2016] [Accepted: 06/02/2016] [Indexed: 02/06/2023] Open
Abstract
AIM: To evaluate the safety and efficacy of human embryonic stem cells (hESCs) for the management of type 2 diabetes mellitus (T2DM).
METHODS: Patients with a previous history of diabetes and its associated complications were enrolled and injected with hESC lines as per the defined protocol. The patients were assessed using Nutech functional score (NFS), a numeric scoring scale to evaluate the patients for 11 diagnostic parameters. Patients were evaluated at baseline and at the end of treatment period 1 (T1). All the parameters were graded on the NFS scale from 1 to 5. Highest possible grade (HPG) of 5 was considered as the grade of best improvement.
RESULTS: Overall, 94.8% of the patients showed improvement by at least one grade of NFS at the end of T1. For all the 11 parameters evaluated, 54% of patients achieved HPG after treatment. The four essential parameters (improvement in glycated hemoglobin (HbA1c) and insulin level, and fall in number of other oral hypoglycemic drugs with and without insulin) are presented in detail. For HbA1c, 72.6% of patients at the end of T1 met the World Health Organization cut off value, i.e., 6.5% of HbA1c. For insulin level, 65.9% of patients at the end of T1 were able to achieve HPG. After treatment, the improvement was seen in 16.3% of patients who required no more than two medications along with insulin. Similarly, 21.5% of patients were improved as their dosage regimen for using oral drugs was reduced to 1-2 from 5.
CONCLUSION: hESC therapy is beneficial in patients with diabetes and helps in reducing their dependence on insulin and other medicines.
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