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TFF3 Knockout in Human Pituitary Adenoma Cell HP75 Facilitates Cell Apoptosis via Mitochondrial Pathway

TFF3 Knockout in Human Pituitary Adenoma Cell HP75 Facilitates Cell Apoptosis via Mitochondrial Pathway

Feng Gao, Suxia Pan, Bing Liu, Huanzhi Zhang

Int J Clin Exp Pathol. 2015 Nov 1;8(11):14568-73.

PMID: 26823779

Abstract:

Trefoil factor 3 (TFF3), a regulatory protein composed of 59 amino acids, has been suggested to be involved in pathogenesis, proliferation, differentiation, invasion, migration and apoptosis in multiple malignant tumors. This study thus investigated the effect of TFF3 knockout in human pituitary adenoma cell line HP75 on cell apoptosis and related pathways. RNA interference approach was used to knock down the expression of TFF3 protein. The gene silencing was validated by RNA denaturing gel electrophoresis and Western blotting. The effect of TFF3 knockout on cell apoptosis was analyzed by Western blotting and flow cytometry. TFF3 protein level in pituitary adenoma was about 3.61 ± 0.48 folds of that in normal tissues (P < 0.01). After transfecting with small interference RNA (siRNA) against TFF3, the apoptotic ration was significantly elevated (P < 0.01). Apoptosis related protein Bcl-2 and caspase-3 levels were remarkably depressed after siRNA transfection, while Bax and cleaved caspase-3 levels were elevated. TFF3 protein knockout can facilitate apoptosis of human pituitary adenoma HP75 cells via mitochondrial pathway.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
IAR42414466	TFF3 human			Price

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