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Aberrant FHIT transcripts in Merkel cell carcinoma
G Sozzi1, H Alder, S Tornielli
1Kimunel Cancer Center, Jefferson Medical College, Philadelphia, Pennsylvania 19107, USA.
Cancer Research
|June 1, 1996
Summary
This study investigated the FHIT gene in Merkel cell carcinoma, a rare skin cancer. Researchers found FHIT gene abnormalities in 57% of Merkel cell carcinoma tumors, similar to small cell lung cancer.
Area of Science:
- Oncology
- Genetics
- Molecular Biology
Background:
- Merkel cell carcinoma (MCC) is a rare neuroendocrine skin cancer.
- MCC shares similarities with small cell lung carcinoma (SCLC).
- Previous research identified frequent FHIT gene abnormalities in SCLC.
Purpose of the Study:
- To investigate the role of the FHIT gene in MCC.
- To determine if FHIT gene abnormalities are common in MCC.
Main Methods:
- Analyzed 14 MCC tumor samples.
- Used reverse transcription of FHIT mRNA.
- Performed PCR amplification and sequencing of FHIT gene products.
Main Results:
- Abnormal FHIT gene products were found in 8 out of 14 (57%) MCC tumors.
- These abnormalities involved the loss of three or more FHIT gene exons.
- The observed FHIT transcript patterns in MCC were similar to those in SCLC.
Conclusions:
- FHIT gene abnormalities are frequent in Merkel cell carcinoma.
- These abnormalities may serve as a common genetic marker for MCC and SCLC.
- Further research into FHIT's role in neuroendocrine tumors is warranted.