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Updated: Sep 20, 2026

Next Generation Sequencing for the Detection of Actionable Mutations in Solid and Liquid Tumors
Published on: September 20, 2016
[Abnormal expression of the FHIT gene in human primary gastrointestinal cancers]
Objective:
To evaluate the relationship between FHIT gene and gastrointestinal cancers.
Methods:
Matched normal and cancerous tissues from 26 patients with primary gastric carcinoma and 30 patients with colorectal carcinoma were analysed by nested polymerase chain reaction(RT-PCR) and direct sequencing of the products.
Results:
Seven of 26(26.9%) gastric cancer tissues and eight of 30(26.7%) colorectal cancer tissues expressed aberrant FHIT transcripts, but no aberrant FHIT transcript was observed in all the matched normal tissues. Sequence analysis of the aberrant transcripts of 2 gastric cancer tissues(G8T, G25T) and 2 colorectal cancer tissues(C5T, C26T) confirmed the absence of 1 to 3 exons of FHIT gene.
Conclusions:
The expression of aberrant FHIT transcripts is common and tumor-specific in gastrointestinal cancers and abnormalities of FHIT gene may be associated with gastrointestinal tumorigenesis.
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