Nanjing Zaiming Pharmaceutical Co. Ltd. has synthesized Werner syndrome ATP-dependent helicase (WRN; RECQ3; RECQL2) inhibitors reported to be useful for the treatment of cancer.
Hangzhou Synrx Therapeutics Technology Co. Ltd. has divulged crystalline salts of DNA polymerase θ (POLθ) inhibitors reported to be useful for the treatment of cancer.
Hangzhou Zhongmei Huadong Pharmaceutical Co. Ltd. has described E3 ubiquitin-protein ligase CBL-B (CBLB) inhibitors reported to be useful for the treatment of cancer.
Researchers at Keimyung University and its medical school generated various candidate quinazolin-4-one derivatives, the most promising of which inhibited HDAC6 with an IC50 of 17 nM, 19-fold more strongly than it inhibited the off-target deacetylase HDAC1.
China Resources Pharmaceutical Research Institute (Shenzhen) Co. Ltd. has disclosed heterocyclic compounds acting as protein arginine N-methyltransferase 5 (PRMT5) inhibitors reported to be useful for the treatment of cancer.
The enzyme PARP1 helps repair single-stranded DNA breaks, and its inhibition shows antitumor efficacy in ovarian, breast, prostate and pancreatic cancers involving mutations in BRCA1 or BRCA2. However, resistance to PARP1 inhibition is a major problem.