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Targeting K-Ras Mutations Show Promise Towards Ending Ras's "Undruggable" Era
Protein Pept Lett. 2022 Oct 3. doi: 10.2174/0929866529666221003124202. Online ahead of print.ABSTRACTIt has almost been 40 years since the Ras proteins were discovered as the first human oncogenes. They remain among the most important genes for regulating mammalian cell growth and are involved in more than a quarter of human cancers. Out of 167 members of the Ras superfamily, K-Ras mutations are the most abundant in human cancers. Particularly, the K-Ras G12C mutations are known to be involved in pancreatic, colon and lung cancers as well as leukemias. Though progress has been made, approaches that target Ras proteins for ...
Source: Protein and Peptide Letters - October 6, 2022 Category: Biochemistry Authors: Paul D Adams D Jamali Muhoza Source Type: research

PARP14 regulates EP4 receptor expression in human colon cancer HCA-7  cells
Biochem Biophys Res Commun. 2022 Jul 19;623:133-139. doi: 10.1016/j.bbrc.2022.07.055. Online ahead of print.ABSTRACTE type prostanoid 4 (EP4) receptors and their signaling pathways have been implicated in the development and malignant transformation of colorectal cancer. We herein demonstrated that the mono(ADP-ribosyl)ation of histone deacetylase (HDAC)1 and HDAC2 by poly(ADP-ribose) polymerase 14 (PARP14) may be required to induce the expression of EP4 receptors. The suppression of PARP14 activity by siRNA and/or its inhibitors reduced the mRNA expression of EP4 receptors. Thus, the expression of their proteins to approx...
Source: Biochemical and Biophysical Research communications - August 1, 2022 Category: Biochemistry Authors: Masato Mashimo Asuka Shimizu Aimi Mori Ayaka Hamaguchi Keijo Fukushima Naofumi Seira Takeshi Fujii Hiromichi Fujino Source Type: research

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