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Qimin Zhan

Researcher at Peking Union Medical College

Publications -  212
Citations -  17015

Qimin Zhan is an academic researcher from Peking Union Medical College. The author has contributed to research in topics: Cancer & DNA damage. The author has an hindex of 54, co-authored 186 publications receiving 15719 citations. Previous affiliations of Qimin Zhan include National Institutes of Health.

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A mammalian cell cycle checkpoint pathway utilizing p53 and GADD45 is defective in ataxia-telangiectasia

TL;DR: Three participants are identified (AT gene(s), p53, and GADD45) in a signal transduction pathway that controls cell cycle arrest following DNA damage; abnormalities in this pathway probably contribute to tumor development.
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Interaction of the p53-regulated protein Gadd45 with proliferating cell nuclear antigen.

TL;DR: Gadd45 was found to bind to PCNA, a normal component of Cdk complexes and a protein involved in DNA replication and repair, establishing GADD45 as a link between the p53-dependent cell cycle checkpoint and DNA repair.
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GADD45 induction of a G2/M cell cycle checkpoint

TL;DR: Genetic and physiological evidence of a Gadd45-mediated G2/M checkpoint was obtained by using GADD45-deficient human or murine cells, indicating that the mammalian genome is protected by a multiplicity of G 2/M checkpoints in response to specific types of DNA damage.
Journal Article

Disruption of p53 function sensitizes breast cancer MCF-7 cells to cisplatin and pentoxifylline

TL;DR: A combination of CDDP and pentoxifylline is capable of synergistic and preferential killing of p53-defective tumor cells that do not readily undergo apoptosis and suggested that cancer cells are more vulnerable to G2 checkpoint abrogators.