Adipose-Derived Mesenchymal Stem Cells Secretome Induces Apoptosis in Colon Carcinoma HT-29 Cells
Recent studies have demonstrated that adipose mesenchymal stem cells (AMSCs)-derived secretome (AMSC-Se) has anticancer impacts.
This study investigated the cytotoxic impacts of AMSC-Se on a colon carcinoma cell (HT-29) line.
The colon cancer cells were exposed to 50 or 100 µg/mL ASMC-Se for 24 hours. MTT test had used to examine the impacts of ASMC-Se on the survival rates of the cells. Caspase activity, mRNA, and protein expression of Bax and Bcl-2 had evaluated to determine apoptosis.
ASMC-Se could diminish the survival of the cells concentration-dependently. The mRNA and protein expression of Bax was concentration-dependently elevated, while Bcl-2 expression decreased in the ASMC-Se group compared to the control concentration-dependently (P < 0.05). The caspase-3 and caspase-9 activities were concentration-dependently enhanced (P < 0.05), while the caspase-8 activity did not change with the AMSC-Se.
These findings indicate that AMSC-Se effectively prevents cell growth and induces apoptosis by stimulating the intrinsic apoptotic pathway in these cells.
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