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LIG4 Knockout Cell Lines

Gene: LIG4

Official Full Name: DNA ligase 4provided by HGNC

Gene Summary: The protein encoded by this gene is a DNA ligase that joins single-strand breaks in a double-stranded polydeoxynucleotide in an ATP-dependent reaction. This protein is essential for V(D)J recombination and DNA double-strand break (DSB) repair through nonhomologous end joining (NHEJ). This protein forms a complex with the X-ray repair cross complementing protein 4 (XRCC4), and further interacts with the DNA-dependent protein kinase (DNA-PK). Both XRCC4 and DNA-PK are known to be required for NHEJ. The crystal structure of the complex formed by this protein and XRCC4 has been resolved. Defects in this gene are the cause of LIG4 syndrome. Alternatively spliced transcript variants encoding the same protein have been observed. [provided by RefSeq, Jul 2008]

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Products Background

Products

Catalog Number Product Name Species Gene Passage ratio Mycoplasma testing Price
KO36809 LIG4 Knockout cell line (HeLa) Human LIG4 1:3~1:6 Negative Online Inquiry
KO36810 LIG4 Knockout cell line (HCT 116) Human LIG4 1:2~1:4 Negative Online Inquiry
KO36811 LIG4 Knockout cell line (HEK293) Human LIG4 1:3~1:6 Negative Online Inquiry
KO36812 LIG4 Knockout cell line (A549) Human LIG4 1:3~1:4 Negative Online Inquiry

Background

LIG4 Gene Knockout Cell Lines represent a cutting-edge tool for researchers focused on understanding DNA repair mechanisms and their implications in cancer biology and treatment. These cell lines are genetically engineered to specifically disrupt the LIG4 gene, which encodes for DNA ligase IV, a critical enzyme involved in non-homologous end joining (NHEJ) repair pathways. By creating these knockout models, scientists can investigate the functional dynamics of DNA repair processes and assess the cellular response to genotoxic stress.

The principal mechanism of action of LIG4 Gene Knockout Cell Lines lies in their ability to mimic the impaired NHEJ repair pathway. This impairment allows researchers to study the consequences of defective double-strand break (DSB) repair and its correlation with genomic instability, a hallmark of many cancers. These models provide invaluable insights into potential therapeutic vulnerabilities of cancer cells, enabling the development of targeted therapies that exploit the weaknesses in DNA repair mechanisms.

Scientifically, the relevance of LIG4 Gene Knockout Cell Lines extends to both fundamental and applied research settings. Their application spans studies in tumor biology, drug resistance, and the enhancement of radiotherapy efficacy, making them vital for clinicians and researchers in oncology and genetics. Moreover, they can be instrumental in deciphering the mechanisms underlying other diseases linked to DNA repair dysfunction, such as immunological disorders and developmental syndromes.

Compared to existing alternatives, LIG4 Gene Knockout Cell Lines are distinguished by their specificity and reproducibility, providing researchers with a tailored model that closely mimics the pathophysiological context of LIG4 deficiency. Additionally, they are rigorously validated to ensure that they accurately reflect the biological behaviors of LIG4-deficient cells, making them a reliable choice for experimental conditions.

By incorporating LIG4 Gene Knockout Cell Lines into their research, scientists can leverage these models to uncover new therapeutic avenues and drive advancements in precision medicine. Our company prides itself on its extensive expertise in genetic engineering and the development of cutting-edge biological products. We are committed to supporting the scientific community with high-quality tools that enhance research outcomes and clinical discoveries.

Please note that all services are for research use only. Not intended for any clinical use.

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