Ectopic expression of SOX18 in Basal cell carcinoma negatively regulates tumour progression

Ectopic expression of SOX18 in Basal cell carcinoma negatively regulates tumour progression.

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Item Type: Article
Status: Published
Official URL: https://doi.org/10.1016/j.jdermsci.2020.04.006
Journal or Publication Title: Journal of Dermatological Science
Volume: 98
Number: 3
Page Range: pp. 179-185
Date: 2020
Divisions: David Richmond program for Cardiovascular Development
Depositing User: General Admin
Identification Number: 10.1016/j.jdermsci.2020.04.006
ISSN: 09231811
Date Deposited: 04 Jan 2021 03:17
Abstract:

Background
Basal Cell Carcinoma is the most common tumour and yet much remains to be determined regarding the molecular mechanisms that leads to its development. Hedgehog signal activation is sufficient for BCC induction, but the molecular mediators of BCC growth are not well understood. SoxF transcription factor Sox18 has been identified in human BCC, but its role in growth of the tumour is as yet unknown.

Objective
To determine if Sox18 is involved in the regulation of Basal Cell Carcinoma growth.

Methods
We analysed the function of Sox18 by combining a dominant negative Sox18 mouse model, Sox18+/OP with murine BCC

Results
We determine that Sox18 is ectopically expressed in the epidermal cells of a murine model of Basal Cell Carcinoma. We then show that dominant negative mutation of Sox18 increases the severity of murine Basal Cell Carcinoma. Finally, decreased Hey1 in Sox18+/OP BCC suggests Sox18 may negatively regulate BCC progression via Notch signaling.

Conclusions
These data suggest that Sox18 is a hedgehog regulated mediator of tumour suppression within Basal Cell Carcinoma epidermis.

Creators:
Creators
Email
Villani, Rehan
UNSPECIFIED
Sim, Seen Ling
UNSPECIFIED
Roy, Edwige
UNSPECIFIED
Wainwright, Brandon
UNSPECIFIED
Francois, Mathias
UNSPECIFIED
Khosrotehrani, Kiarash
UNSPECIFIED
Last Modified: 04 Jan 2021 03:17
URI: https://eprints.centenary.org.au/id/eprint/744

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