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Updated: Jul 13, 2026
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Fluorescence-based Monitoring of PAD4 Activity via a Pro-fluorescence Substrate Analog
Published on: November 5, 2014
PolyADP-ribosylation and cancer.
Masanao Miwa1, Mitsuko Masutani
1Faculty of Bioscience, Nagahama Institute of Bio-Science and Technology, 1266 Tamura-cho Nagahama, Shiga 526-0829, Japan. m_miwa@nagahama-i-bio.ac.jp
Cancer Science
|July 25, 2007
Summary
Poly(ADP-ribose) polymerase (PARP) research reveals its role in DNA repair and cancer. Inhibitors show promise in cancer therapy, with niacin offering preventive effects.
Area of Science:
- Biochemistry
- Molecular Biology
- Genetics
Background:
- PolyADP-ribosylation is a key post-translational modification impacting DNA repair, genomic stability, and cell death.
- The poly(ADP-ribose) polymerase (PARP) family has 17 members with diverse cellular functions.
- PARP-1 is crucial for DNA base excision repair, influencing susceptibility to carcinogens.
Purpose of the Study:
- To summarize recent advancements in polyADP-ribosylation research concerning neoplasia.
- To discuss the role of PARP family members in carcinogenesis.
- To highlight the therapeutic potential of PARP and PARG inhibitors in cancer treatment.
Main Methods:
- Review of experimental evidence and genetically engineered animal models.
- Analysis of clinical trial data for PARP and PARG inhibitors.
- Examination of the effects of niacin on cancer prevention.
Main Results:
- PARP-1 knockout animals exhibit increased susceptibility to genotoxic carcinogens.
- PARP-1 and VPARP influence carcinogenesis.
- PARP and PARG inhibitors demonstrate therapeutic utility in ongoing clinical trials.
- Niacin supplementation shows cancer-preventive effects by increasing NAD(+) levels.
Conclusions:
- PolyADP-ribosylation pathways are intricately linked to cancer development and progression.
- PARP and PARG inhibitors represent a promising therapeutic strategy for cancer treatment.
- NAD(+) metabolism modulation, via niacin, may offer a preventive approach against cancer.
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