<P>Renal cell carcinoma (RCC), the predominant form of kidney cancer, is characterized by high resistance to radiation and chemotherapy. This study shows that expression of protein cross-linking enzyme transglutaminase 2 (TGase 2) is markedly in...
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https://www.riss.kr/link?id=A107671898
2013
-
SCOPUS,SCIE
학술저널
3487-3495(9쪽)
0
상세조회0
다운로드다국어 초록 (Multilingual Abstract)
<P>Renal cell carcinoma (RCC), the predominant form of kidney cancer, is characterized by high resistance to radiation and chemotherapy. This study shows that expression of protein cross-linking enzyme transglutaminase 2 (TGase 2) is markedly in...
<P>Renal cell carcinoma (RCC), the predominant form of kidney cancer, is characterized by high resistance to radiation and chemotherapy. This study shows that expression of protein cross-linking enzyme transglutaminase 2 (TGase 2) is markedly increased in 7 renal cell carcinoma (RCC) cell lines in comparison to HEK293 and other cancer cell lines, such as NCI 60. However, the key role of TGase 2 in RCC was not clear. The down-regulation of TGase 2 was found to stabilize p53 expression, thereby inducing a 3- to 10-fold increase in apoptosis for 786-O, A498, CAKI-1, and ACHN cell lines by DAPI staining. MEF cells from TGase 2<SUP>−/−</SUP> mice showed stabilized p53 under apoptotic stress to compare to MEFs from wild-type mice. TGase 2 directly cross links the DNA binding domain of p53, leading to p53 depletion <I>via</I> autophagy in RCC. TGase 2 and p53 expression showed an inverse relationship in RCC cells. This finding implies that induced expression of TGase 2 promotes tumor cell survival through p53 depletion in RCC.—Ku, B.M., Kim, D.-S. Kim, K.-H., Yoo, B.C., Kim, S.-H., Gong, Y.-D., Kim, S.-Y. Transglutaminase 2 inhibition found to induce p53 mediated apoptosis in renal cell carcinoma.</P>
Plasma zinc's alter ego is a low-molecular-weight humoral factor