References Autoimmune disease Source of hMSC Variables Experimental model Clinical and laboratory effects Mechanism proposed (164) Type I diabetes mellitus Bone marrow None Mice ↓Disease onset↓Insulitis in the pancreas ↑Tregs in the pancreas (74) Type I diabetes mellitus Adipose tissue Administration of adipose tissue-derived MSCs overexpressing betatrophin Administration of adipose tissue-derived MSCs alone Mice ↓Hyperglycemia↓Weight loss Effectiveness of adipose tissue-derived MSCs overexpressing betatrophin > Effectiveness of adipose tissue-derived MSCs alone ↑Islet proliferation↑Ngn3 transcription factor↑Pax6 transcription factor↑Islet production of insulin↑β-cells ratio↑IL-4↑IL-10↑IL-13↓TNF-α↓NADP-cytochrome P450 reductase↑XIAP in the islets↑Bcl-xL in the islets↑Bcl-2 in the islets↓Caspase-3 in the islets↓Apoptotic cells (75) Type I diabetes mellitus Umbilical cord stroma None Mice ↑Survival rates↓Blood glucose↑Serum insulin levels↑Glucose tolerance↑C-peptide↓Insulitis ↓Th1 cells↓Th17 cells↑Tregs↓Dendritic cells↓IFN-γ in the serum↓IL-1β in the serum↓TNF-α in the serum↓CCL2 in the serum↓IL-17 in the serum↑IL-4 in the serum↑IL-10 in the serum↑TGF-β1↑Intact islets↑Insulin-producing cells devided from the differentiation of umbilical cord stroma-derived MSCs (76) Type I diabetes mellitus Umbilical cord stroma Administration of umbilical cord-derived MSCs before the onset of type I diabetes Mice ↓Disease onset↑Fasting C-peptide↓Insulitis ↑CD4+CD25+Foxp3+ Tregs↓IL-2↓IFN-γ↓TNF- α↑Islet β-cells Treatment of type I diabetes with umbilical cord-derived MSCs after the onset of the disease ↓Fasting plasma glucose↓Fed blood glucose↑Fasting C-peptide↓Insulitis (77) Type I diabetes mellitus Bone marrow None Mice ↓Hyperglycemia↓Area under the glycemia curve↓Fasting glycemia↑Serum insulin ↑Islet β-cells function↓CD3+ cells↓Islet infiltration↑Larger pancreatic islets↓IL-2 in the pancreas↓IFN-γ in the pancreas↓IL-4 in the pancreas (79) Type I diabetes mellitus Bone marrow None Mice ↓Hyperglycemia↑Insulin production↑Human insulin in mice↑C-peptide production ↑Nestin↑Pdx1 transcription factor↑Ngn3 transcription factor↑Pax4 transcription factor↑NeuroD1 transcription factor↑Nkx2.2 transcription factor↑Nkx6.1 transcription factor↑PCSK1 gene↑Insulin gene↑Glucagon gene↑PCSK1 gene↑PP gene (80) Type I diabetes mellitus Bone marrow None Mice ↓Hyperglycemia↑Insulin levels ↓Fas in human islets↓MiR-375 in human islets↓PBMC activation↓PBMC proliferation↓IL-2↓IFN-γ↓IL-2 receptor↑HGF↑IL-10↑VEGF↑PGE-2↑TGF-β↑Treg function↓Islet β-cells apoptosis↑Islet β-cells function against inflammatory cytokines↓Immune reaction against transplanted islets after humanization of mice (78) Type I diabetes mellitus Umbilical cord stroma None Humans ↓Post-prandial plasma glucose↓Hemoglobin HbA1c↑Fasting C peptide↑C-peptide/glucose ratio ↑Islet β-cells function