Functional regulation of FEN1 nuclease and its link to cancer

L Zheng, J Jia, LD Finger, Z Guo, C Zer… - Nucleic acids …, 2011 - academic.oup.com
Abstract Flap endonuclease-1 (FEN1) is a member of the Rad2 structure-specific nuclease
family. FEN1 possesses FEN, 5′-exonuclease and gap-endonuclease activities. The …

Okazaki fragment maturation: nucleases take centre stage

L Zheng, B Shen - Journal of molecular cell biology, 2011 - academic.oup.com
Completion of lagging strand DNA synthesis requires processing of up to 50 million Okazaki
fragments per cell cycle in mammalian cells. Even in yeast, the Okazaki fragment maturation …

Flap endonuclease 1 is involved in cccDNA formation in the hepatitis B virus

K Kitamura, L Que, M Shimadu, M Koura… - PLoS …, 2018 - journals.plos.org
Hepatitis B virus (HBV) is one of the major etiological pathogens for liver cirrhosis and
hepatocellular carcinoma. Chronic HBV infection is a key factor in these severe liver …

Histone lysine methyltransferase SETD8 promotes carcinogenesis by deregulating PCNA expression

M Takawa, HS Cho, S Hayami, G Toyokawa, M Kogure… - Cancer research, 2012 - AACR
Although the physiologic significance of lysine methylation of histones is well known,
whether lysine methylation plays a role in the regulation of nonhistone proteins has not yet …

[PDF][PDF] Human DNA2 is a mitochondrial nuclease/helicase for efficient processing of DNA replication and repair intermediates

L Zheng, M Zhou, Z Guo, H Lu, L Qian, H Dai, J Qiu… - Molecular cell, 2008 - cell.com
DNA2, a helicase/nuclease family member, plays versatile roles in processing DNA
intermediates during DNA replication and repair. Yeast Dna2 (yDna2) is essential in RNA …

Mammalian DNA2 helicase/nuclease cleaves G‐quadruplex DNA and is required for telomere integrity

W Lin, S Sampathi, H Dai, C Liu, M Zhou, J Hu… - The EMBO …, 2013 - embopress.org
Efficient and faithful replication of telomeric DNA is critical for maintaining genome integrity.
The G‐quadruplex (G4) structure arising in the repetitive TTAGGG sequence is thought to …

FEN 1 promotes tumor progression and confers cisplatin resistance in non‐small‐cell lung cancer

L He, L Luo, H Zhu, H Yang, Y Zhang, H Wu… - Molecular …, 2017 - Wiley Online Library
Lung cancer is one of the leading causes of cancer mortality worldwide. The therapeutic
effect of chemotherapy is limited due to the resistance of cancer cells, which remains a …

Fen1 mutations result in autoimmunity, chronic inflammation and cancers

L Zheng, H Dai, M Zhou, M Li, P Singh, J Qiu… - Nature medicine, 2007 - nature.com
Functional deficiency of the FEN1 gene has been suggested to cause genomic instability
and cancer predisposition. We have identified a group of FEN1 mutations in human cancer …

Removal of oxidative DNA damage via FEN1-dependent long-patch base excision repair in human cell mitochondria

P Liu, L Qian, JS Sung, NC de Souza-Pinto… - … and cellular biology, 2008 - Taylor & Francis
Repair of oxidative DNA damage in mitochondria was thought limited to short-patch base
excision repair (SP-BER) replacing a single nucleotide. However, certain oxidative lesions …

Rational design of human DNA ligase inhibitors that target cellular DNA replication and repair

X Chen, S Zhong, X Zhu, B Dziegielewska… - Cancer research, 2008 - AACR
Based on the crystal structure of human DNA ligase I complexed with nicked DNA, computer-
aided drug design was used to identify compounds in a database of 1.5 million commercially …