Abstract：
:We present a study of up-regulation of genes responsible for pancreatic development in glucose-sensitive insulin-secreting mesenchymal stem cells (IS-MSC) generated and differentiated from human adipose tissue (h-AD), with use of our specific differentiation media and without use of any xenogenic material. Anterior wall abdominal fat was collected from 56 volunteers and cultured in self-designed proliferation medium for 10 days. Cells were harvested by trypsinization and differentiated into insulin-expressing cells using self-designed differentiation medium for 3 days followed by evaluation for transcriptional factors Pax-6, Ipf-1, Isl-1, C-peptide and insulin secretion. Generated IS-MSC showed expression of Pax-6, Pdx-6 and Isl-1. Non-differentiated MSC as well as their further culture in absence of differentiation medium were used as negative controls. Generated 56 IS-MSC cell-lines were glucose responsive i.e. mean C-Peptide and insulin secretion levels were measured 0.41 ng/ml and 13.13 μU/ml, respectively, in absence of glucose which rose to 1.18 ng/ml and 83.42 μU/ml, respectively, following glucose challenge (p < 0.001). The mean rise in C-peptide and insulin secretion levels was 2.88 and 6.35 fold, respectively. To conclude insulin-secreting h-AD-MSC can be generated safely and effectively with application of specific differentiation media without xenogeneic material/any genetic modification, showing expression of transcriptional factors Pax-6, Ipf-1 and Isl-1.
journal_name
Cytotechnologyjournal_title
Cytotechnologyauthors
Dave SD,Vanikar AV,Trivedi HLdoi
10.1007/s10616-013-9573-3subject
Has Abstractpub_date
2014-03-01 00:00:00pages
299-307issue
2eissn
0920-9069issn
1573-0778journal_volume
66pub_type
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