نتایج جستجو برای: parp inhibitors

تعداد نتایج: 192891  

2014
Albert A. Antolín Jordi Mestres

PARP inhibitors hold promise as a novel class of targeted anticancer drugs. However, their true mechanism of action is still not well understood following recent reports that show marked differences in cellular effects. Here, we demonstrate that three PARP drug candidates, namely, rucaparib, veliparib, and olaparib, have a clearly different in vitro affinity profile across a panel of diverse ki...

2009
Ana M Mendes-Pereira Sarah A Martin Rachel Brough Afshan McCarthy Jessica R Taylor Jung-Sik Kim Todd Waldman Christopher J Lord Alan Ashworth

The tumour suppressor gene, phosphatase and tensin homolog (PTEN), is one of the most commonly mutated genes in human cancers. Recent evidence suggests that PTEN is important for the maintenance of genome stability. Here, we show that PTEN deficiency causes a homologous recombination (HR) defect in human tumour cells. The HR deficiency caused by PTEN deficiency, sensitizes tumour cells to poten...

Journal: :Clinical cancer research : an official journal of the American Association for Cancer Research 2012
Xuesong Liu Yan Shi David X Maag Joann P Palma Melanie J Patterson Paul A Ellis Bruce W Surber Damien B Ready Niru B Soni Uri S Ladror Allison J Xu Ramesh Iyer John E Harlan Larry R Solomon Cherrie K Donawho Thomas D Penning Eric F Johnson Alexander R Shoemaker

PURPOSE PARP inhibitors are being developed as therapeutic agents for cancer. More than six compounds have entered clinical trials. The majority of these compounds are β-nicotinamide adenine dinucleotide (NAD(+))-competitive inhibitors. One exception is iniparib, which has been proposed to be a noncompetitive PARP inhibitor. In this study, we compare the biologic activities of two different str...

Journal: :Frontiers in bioscience 2017
Jyotika Rajawat Nidhi Shukla Durga Prasad Mishra

The Poly(ADP-ribose) polymerase-1 (PARP1) is a multifunctional nuclear protein involved in a variety of cellular functions. Recently, its role in the onset, progression and therapy resistance of cancers in general and reproductive cancers in particular has been recognised. The PARP associated signaling is perceived to play a key role in the development, sustenance and relapse of reproductive ca...

Journal: :Biochemistry 2010
Tobias Karlberg Martin Hammarström Patrick Schütz Linda Svensson Herwig Schüler

Poly-ADP-ribose polymerases (PARPs) catalyze transfer of ADP-ribose from NAD(+) to specific residues in their substrate proteins or to growing ADP-ribose chains. PARP activity is involved in processes such as chromatin remodeling, transcription control, and DNA repair. Inhibitors of PARP activity may be useful in cancer therapy. PARP2 is the family member that is most similar to PARP1, and the ...

Journal: :Molecular pharmacology 2008
Tobias Eltze Rainer Boer Thomas Wagner Steffen Weinbrenner Michelle C McDonald Christoph Thiemermann Alexander Bürkle Thomas Klein

We have identified three novel structures for inhibitors of the poly(ADP-ribose) polymerase (PARP), a nuclear enzyme activated by strand breaks in DNA and implicated in DNA repair, apoptosis, organ dysfunction or necrosis. 2-[4-(5-Methyl-1H-imidazol-4-yl)-piperidin-1-yl]-4,5-dihydro-imidazo[4,5,1-i,j]quinolin-6-one (BYK49187), 2-(4-pyridin-2-yl-phenyl)-4,5-dihydro-imidazo[4,5,1-i,j]quinolin-6-o...

Journal: :Cancer research 2011
Hao-Yen Chang Chi-Chen Fan Po-Chen Chu Bo-En Hong Hyeon Jeong Lee Mau-Sun Chang

Human hPuf-A/KIAA0020 was first identified as a new minor histocompatibility antigen in 2001. Its zebrafish orthologue contains six Pumilio-homology RNA-binding domains and has been shown to participate in the development of eyes and primordial germ cells, but the cellular function of hPuf-A remains unclear. In this report, we showed that hPuf-A predominantly localized in the nucleoli with mino...

2011
Hao-Yen Chang Chi-Chen Fan Po-Chen Chu Bo-En Hong Hyeon Jeong Lee Mau-Sun Chang

Human hPuf-A/KIAA0020 was first identified as a new minor histocompatibility antigen in 2001. Its zebrafish orthologue contains six Pumilio-homology RNA-binding domains and has been shown to participate in the development of eyes and primordial germ cells, but the cellular function of hPuf-A remains unclear. In this report, we showed that hPuf-A predominantly localized in the nucleoli with mino...

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