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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

Quantitative imaging approaches to understanding biological processing of metal ions
Curr Opin Chem Biol. 2022 May 10;69:102152. doi: 10.1016/j.cbpa.2022.102152. Online ahead of print.ABSTRACTFaster, more sensitive, and higher resolution quantitative instrumentation are aiding a deeper understanding of how inorganic chemistry regulates key biological processes. Researchers can now image and quantify metals with subcellular resolution, leading to a vast array of new discoveries in organismal development, pathology, and disease. Metals have recently been implicated in several diseases such as Parkinson's, Alzheimers, ischemic stroke, and colorectal cancer that would not be possible without these advancements...
Source: Current Opinion in Chemical Biology - May 13, 2022 Category: Biochemistry Authors: David Z Zee Keith W MacRenaris Thomas V O'Halloran Source Type: research