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WANG HONGWU, QIU XIAOYAN, NI PING, QIU XUERONG, LIN XIAOBO, WU WEIZHAO, XIE LICHUN, LIN LIMIN, MIN JUAN, LAI XIULAN, CHEN YUNBIN, HO GUYU, MA LIAN. Immunological characteristics of human umbilical cord mesenchymal stem cells and the therapeutic effects of their transplantion on hyperglycemia in diabetic rats. Int J Mol Med 2014; 33:263-70. [PMID: 24297321 PMCID: PMC3896453 DOI: 10.3892/ijmm.2013.1572] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2013] [Accepted: 11/19/2013] [Indexed: 02/05/2023] Open
Abstract
Islet transplantation involves the transplantation of pancreatic islets from the pancreas of a donor to another individual. It has proven to be an effective method for the treatment of type 1 diabetes. However, islet transplantation is hampered by immune rejection, as well as the shortage of donor islets. Human umbilical cord Wharton's jelly-derived mesenchymal stem cells (HUMSCs) are an ideal cell source for use in transplantation due to their biological characteristics and their use does not provoke any ethical issues. In this study, we investigated the immunological characteristics of HUMSCs and their effects on lymphocyte proliferation and the secretion of interferon (IFN)-γ, and explored whether direct cell-to-cell interactions and soluble factors, such as IFN-γ were important for balancing HUMSC-mediated immune regulation. We transplanted HUMSCs into diabetic rats to investigate whether these cells can colonize in vivo and differentiate into pancreatic β-cells, and whether the hyperglycemia of diabetic rats can be improved by transplantation. Our results revealed that HUMSCs did not stimulate the proliferation of lymphocytes and did not induce allogeneic or xenogeneic immune cell responses. qRT-PCR demonstrated that the HUMSCs produced an immunosuppressive isoform of human leukocyte antigen (HLA-I) and did not express HLA-DR. Flow cytometry revealed that the HUMSCs did not express immune response-related surface antigens such as, CD40, CD40L, CD80 and CD86. IFN-γ secretion by human peripheral blood lymphocytes was reduced when the cells were co-cultured with HUMSCs. These results suggest that HUMSCs are tolerated by the host in an allogeneic transplant. We transplanted HUMSCs into diabetic rats, and the cells survived in the liver and pancreas. Hyperglycemia of the diabetic rats was improved and the destruction of pancreatic cells was partly repaired by HUMSC transplantation. Hyperglycemic improvement may be related to the immunomodulatory effects of HUMSCs. However, the exact mechanisms involved remain to be further clarified.
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Affiliation(s)
- HONGWU WANG
- Department of Pediatrics, Second Affiliated Hospital of Shantou University Medical College, Shantou, Guangdong 515041, P.R. China
- Transformation Medical Center, Second Affiliated Hospital of Shantou University Medical College, Shantou, Guangdong 515041, P.R. China
| | - XIAOYAN QIU
- Department of Pediatrics, Second Affiliated Hospital of Shantou University Medical College, Shantou, Guangdong 515041, P.R. China
| | - PING NI
- Cancer Hospital of Shantou University Medical College, Shantou, Guangdong 515041, P.R. China
| | - XUERONG QIU
- Department of Pediatrics, Second Affiliated Hospital of Shantou University Medical College, Shantou, Guangdong 515041, P.R. China
| | - XIAOBO LIN
- Department of Pediatrics, Second Affiliated Hospital of Shantou University Medical College, Shantou, Guangdong 515041, P.R. China
| | - WEIZHAO WU
- Department of Pediatrics, Second Affiliated Hospital of Shantou University Medical College, Shantou, Guangdong 515041, P.R. China
| | - LICHUN XIE
- Department of Pediatrics, Second Affiliated Hospital of Shantou University Medical College, Shantou, Guangdong 515041, P.R. China
| | - LIMIN LIN
- Department of Pediatrics, Second Affiliated Hospital of Shantou University Medical College, Shantou, Guangdong 515041, P.R. China
| | - JUAN MIN
- Department of Obstetrics and Gynecology, Shenzhen Pingshan Women’s And Children’s Hospital, Shenzhen, Guangdong 518118, P.R. China
| | - XIULAN LAI
- Department of Pediatrics, Second Affiliated Hospital of Shantou University Medical College, Shantou, Guangdong 515041, P.R. China
| | - YUNBIN CHEN
- Transformation Medical Center, Second Affiliated Hospital of Shantou University Medical College, Shantou, Guangdong 515041, P.R. China
- Department of Pediatrics, Guangdong Women’s And Children’s Hospital, Guangzhou, Guangdong 510010, P.R. China
- Correspondence to: Professor Lian Ma, Department of Pediatrics, Second Affiliated Hospital of Shantou University Medical College, North Dongxia Road, Shantou, Guangdong 515041, P.R. China, E-mail: . Professor Yunbin Chen, Department of Pediatrics, Guangdong Women’s And Children’s Hospital, 13 Guangyuanxi Road, Guangzhou, Guangdong 510010, P.R. China, E-mail:
| | - GUYU HO
- Department of Pediatrics, Second Affiliated Hospital of Shantou University Medical College, Shantou, Guangdong 515041, P.R. China
- Transformation Medical Center, Second Affiliated Hospital of Shantou University Medical College, Shantou, Guangdong 515041, P.R. China
| | - LIAN MA
- Department of Pediatrics, Second Affiliated Hospital of Shantou University Medical College, Shantou, Guangdong 515041, P.R. China
- Transformation Medical Center, Second Affiliated Hospital of Shantou University Medical College, Shantou, Guangdong 515041, P.R. China
- Correspondence to: Professor Lian Ma, Department of Pediatrics, Second Affiliated Hospital of Shantou University Medical College, North Dongxia Road, Shantou, Guangdong 515041, P.R. China, E-mail: . Professor Yunbin Chen, Department of Pediatrics, Guangdong Women’s And Children’s Hospital, 13 Guangyuanxi Road, Guangzhou, Guangdong 510010, P.R. China, E-mail:
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