Oncogene-Induced Replication Stress Drives Genome Instability and Tumorigenesis
نویسندگان
چکیده
منابع مشابه
Oncogene-Induced Replication Stress Drives Genome Instability and Tumorigenesis
Genomic instability plays a key role in driving cancer development. It is already found in precancerous lesions and allows the acquisition of additional cancerous features. A major source of genomic instability in early stages of tumorigenesis is DNA replication stress. Normally, origin licensing and activation, as well as replication fork progression, are tightly regulated to allow faithful du...
متن کاملDNA Replication and Oncogene-Induced Replicative Stress
DNA replication must be tightly regulated to ensure that the genome is accurately duplicated during each cell cycle. When these regulatory mechanisms fail, replicative stress and DNA damage ensue. Activated oncogenes promote replicative stress, inducing a DNA damage response (DDR) early in tumorigenesis. Senescence or apoptosis result, forming a barrier against tumour progression. This may prov...
متن کاملDNA replication stress, genome instability and aging
Genome instability is a fundamentally important component of aging in all eukaryotes. How age-related genome instability occurs remains unclear. The free radical theory of aging posits oxidative damage to DNA and other cellular constituents as a primary determinant of aging. More recent versions of this theory predict that mitochondria are a major source of reactive oxygen species (ROS) that ca...
متن کاملSURVEY AND SUMMARY DNA replication stress, genome instability and aging
Genome instability is a fundamentally important component of aging in all eukaryotes. How agerelated genome instability occurs remains unclear. The free radical theory of aging posits oxidative damage to DNA and other cellular constituents as a primary determinant of aging. More recent versions of this theory predict that mitochondria are a major source of reactive oxygen species (ROS) that cau...
متن کاملFolate levels modulate oncogene-induced replication stress and tumorigenicity
Chromosomal instability in early cancer stages is caused by replication stress. One mechanism by which oncogene expression induces replication stress is to drive cell proliferation with insufficient nucleotide levels. Cancer development is driven by alterations in both genetic and environmental factors. Here, we investigated whether replication stress can be modulated by both genetic and non-ge...
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ژورنال
عنوان ژورنال: International Journal of Molecular Sciences
سال: 2017
ISSN: 1422-0067
DOI: 10.3390/ijms18071339