Journal
AMERICAN JOURNAL OF CANCER RESEARCH
Volume 12, Issue 10, Pages 4468-4482Publisher
E-CENTURY PUBLISHING CORP
Keywords
KLF6-SV1; NSCLC; proliferation; EMT; siRNA; chemotherapy resistance
Categories
Funding
- Shandong Provincial Natural Science Foundation [ZR2020MH204]
- 19th batch of science and technology innovation development plan of Jinan in 2020 (Clinical medicine science and technology innovation plan) [202019032]
- second group of science and technology projects of Jinan Health Committee [2020-3-15]
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Kruppel-like factor 6 splice variant 1 (KLF6-SV1) is an up-regulated splice variant in multiple malignancies, inhibiting KLF6 gene function and promoting tumor progression, which is associated with poor prognosis. The progress of KLF6-SV1 research in non-small cell lung cancer (NSCLC) reveals its important role in tumorigenesis, tumor development, and therapy resistance. Targeted silencing of KLF6-SV1 using small interfering RNA shows potential as a novel strategy for managing chemotherapy resistance in NSCLC patients.
Kruppel-like factor 6 (KLF6) is a nuclear transcriptional regulator found in mammalian tissue that has been identified as a tumor suppressor gene in several malignancies. As a result of loss of heterozygosity, DNA methylation, and alternative splicing, it is frequently inactivated in various malignancies. Kruppel-like factor 6 splice variant 1 (KLF6-SV1), Kruppel-like factor 6 splice variant 2, and Kruppel-like factor 6 splice variant 3 alternatively spliced isoforms that emerge from a single nucleotide polymorphism in the KLF6 gene. KLF6-SV1 is generally up -regulated in multiple cancers, and its biological function is well understood. Overexpression of KLF6-SV1 inhibits the KLF6 gene function while promoting tumor progression, which is associated with a poor prognosis in patients with various malignancies. We reviewed the progress of KLF6-SV1 research in NSCLC over the last several years to understand the molecular mechanisms of tumorigenesis, tumor development, and therapy resistance. Finally, this review emphasizes the therapeutic potential of small interfering RNA targeted silencing of KLF6-SV1 as a novel strategy for managing chemotherapy resistance in NSCLC patients.
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