Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.diabres.2013.08.006
Title: Skeletal myoblast transplantation on gene expression profiles of insulin signaling pathway and mitochondrial biogenesis and function in skeletal muscle
Authors: Ma, J.-H.
Su, L.-P. 
Zhu, J.
Law, P.K.
Lee, K.-O.
Ye, L.
Wang, Z.-Z.
Keywords: Gene array
Insulin signaling
Mitochondrion
Type 2 diabetes mellitus
Issue Date: Oct-2013
Source: Ma, J.-H., Su, L.-P., Zhu, J., Law, P.K., Lee, K.-O., Ye, L., Wang, Z.-Z. (2013-10). Skeletal myoblast transplantation on gene expression profiles of insulin signaling pathway and mitochondrial biogenesis and function in skeletal muscle. Diabetes Research and Clinical Practice 102 (1) : 43-52. ScholarBank@NUS Repository. https://doi.org/10.1016/j.diabres.2013.08.006
Abstract: Aim: The study aims to investigate the gene expression profiling of insulin signaling pathway and mitochondrial biogenesis and function in the skeletal muscle of KK mice. Methods: KK mice were divided into the following groups: KK control group, basal medium (M199) only; KK fibroblast group, with human fibroblast transplantation; KK myoblast group, with human skeletal myoblast transplantation. C57BL mice received hSkM transplantation as a normal control. Cells were transplanted into mice hind limb skeletal muscle. All animals were treated with cyclosporine for 6 weeks only. The mice were sacrificed in a fasting state at 12 weeks after treatment. Hind limb skeletal muscle was harvested and used for study of gene expression profiling. Results: hSkMs survived extensively in mice skeletal muscle at 12 weeks after cell transplantation. Glucose tolerance test showed a significant decrease of blood glucose in the mice of KK myoblast group compared to the KK control and fibroblast groups. Transcriptional patterns of insulin signaling pathway showed alterations in KK myoblast as compared with KK control group (23 genes), KK fibroblast group (7 genes), and C57BL group (8 genes). Transcriptional patterns of mitochondrial biogenesis and function also had alterations in KK myoblast as compared with KK control group (27 genes), KK fibroblast group (9 genes), and C57BL group (6 genes). Conclusions: These data demonstrated for the first time that hSKM transplantation resulted in a change of gene transcript in multiple genes involved in insulin signaling pathway and mitochondrial biogenesis and function. © 2013 Elsevier Ireland Ltd.
Source Title: Diabetes Research and Clinical Practice
URI: http://scholarbank.nus.edu.sg/handle/10635/67279
ISSN: 01688227
DOI: 10.1016/j.diabres.2013.08.006
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