School Of Basic And Applied Sciences

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    Synthesis of imine-pyrazolopyrimidinones and their mechanistic interventions on anticancer activity
    (2013) Baviskar, Ashish T.; Banerjee, Uttam C.; Gupta, Mukesh; Singh, Rajveer; Kumar, Sunil; Gupta, Manish K.; Kumar, Sanjeev; Rout, Satish K.; Khullar, Madhu; Singh, Sandeep; Kumar, Raj
    Design, synthesis and anticancer activity of a series of imine-pyrazolopyrimidinones is reported for the first time. Compounds 9d, 9n and 9o in the series show encouraging in vitro anticancer activity with low micromolar IC50 values against prostate (PC3) and breast (MCF7) cancer cell lines. Some notions about structure-activity relationships and plausible mechanism of biological activity are presented. ? 2013 Elsevier Ltd. All rights reserved.
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    Pyrimidine containing epidermal growth factor receptor kinase inhibitors: Synthesis and biological evaluation
    (Blackwell Publishing Ltd, 2017) Joshi, Gaurav; Nayyar, Himanshu; Kalra, Sourav; Sharma, Praveen; Munshi, Anjana; Singh, Sandeep; Kumar, Raj
    Structure-based design and synthesis of pyrimidine containing reversible epidermal growth factor receptor (EGFR) inhibitors 1a?d are reported. The compounds (1a?d) inhibited the EGFR kinase activity in vitro with IC50 range 740?nm to 3??m. mRNA expression of EGFR downstream target genes, that is twist, c-fos and aurora were found to be altered upon treatment with compounds 1a?d. The compounds 1a?d exhibited excellent anticancer activity at low micromolar level (3.2?9??m) in lung, colon and breast cancer cell lines. Furthermore, compounds induced the alteration in mitochondrial membrane potential and reactive oxygen species level and. Selected compound 1b was found to increase sub-G1 population indicative of cell death, the mode of cell death was apoptotic as evident from Annexin V verses propidium iodide assay. Molecular modelling further helped to investigate the binding recognition pattern of the compounds in ATP binding EGFR domain similar to erlotinib and dissimilar to WZ4002. ? 2017 John Wiley & Sons A/S.