Differential BMI1, TWIST1, SNAI2 mRNA expression pattern correlation with malignancy type in a spectrum of common cutaneous malignancies: basal cell carcinoma, squamous cell carcinoma, and melanoma
Purpose Melanoma, squamous cell carcinoma (SCC), and basal cell carcinoma (BCC) can be used as a unique model to identify molecular mechanisms to distinguish rarely metastatic (BCC), often metastatic (SCC) and most metastatic (melanoma) cancer. It is known that epithelial–mesenchymal transition and...
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Published in: | Clinical & translational oncology Vol. 19; no. 4; pp. 489 - 497 |
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Main Authors: | , , , , , , , , |
Format: | Journal Article |
Language: | English |
Published: |
Cham
Springer International Publishing
01-04-2017
|
Subjects: | |
Online Access: | Get full text |
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Summary: | Purpose
Melanoma, squamous cell carcinoma (SCC), and basal cell carcinoma (BCC) can be used as a unique model to identify molecular mechanisms to distinguish rarely metastatic (BCC), often metastatic (SCC) and most metastatic (melanoma) cancer. It is known that epithelial–mesenchymal transition and stemness transcription factors (
TWIST1
,
SNAI2/SLUG
, and
BMI1
) play an important role in metastasis and their dysregulation has been demonstrated in metastatic cancers. We hypothesized that this spectrum of cutaneous cancers (BCC, SCC, and melanoma) would be a unique cancer model system to elucidate steps toward cancer invasion and metastasis.
Methods
We evaluated the mRNA expression level of
BMI1
,
TWIST1
, and
SNAI2/SLUG
and studied clinicopathological features in 170 skin cancers along with normal tissue samples.
Results
We demonstrate downregulation of
BMI1
mRNA expression in BCC samples compared with controls (
p
= 0.0001), SCC (
p
= 0.001), and melanoma (
p
= 0.0001) samples. Downregulation of
TWIST1
mRNA expression is seen in only BCC samples compared with controls (
p
= 0.031). High
SNAI2
mRNA expression is represented in melanoma samples compared with controls (
p
= 0.022) and SCC samples (
p
= 0.031). High mRNA expression of
TWIST1
is seen in patients with positive history of cancers. Extremely low mRNA expression of
BMI1
is detected in patients with positive history of cancers other than skin cancer.
Conclusions
These findings provide support for the hypothesis that the spectrum of cutaneous cancers could be better understood as a series of gene dosage-dependent entities with distinct molecular events. Oncogene-induced senescence, mechanism of which is still unclear, could be one explanation for these results. |
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Bibliography: | ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23 |
ISSN: | 1699-048X 1699-3055 |
DOI: | 10.1007/s12094-016-1555-4 |