p73 and p63 regulate the expression of fibroblast growth factor receptor 3

Sayan, AE, D'Angelo, B, Sayan, BS ORCID: https://orcid.org/0000-0003-2305-1970, Tucci, P, Cimini, A, Ceru, MP, Knight, RA and Melino, G 2010, 'p73 and p63 regulate the expression of fibroblast growth factor receptor 3' , Biochemical and Biophysical Research Communications, 394 (3) , pp. 824-828.

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Abstract

p53, p63 and p73 make a family of transcription factors that play a vital role in development and cancer. All p53 family members have more than one promoter producing Transactivating (TA) and Dominant Negative (ΔN) isoforms and their mRNAs are subjected to extensive splicing at 3′ end to produce multiple protein products. p53 is usually inactivated by point mutations during tumorigenesis, whereas the expression levels and p63 and p73 are modulated to give tumor cells a selective advantage. In this study, aiming to find novel targets of the p53 family members, we identified FGFR3 as a gene transcriptionally controlled by p63 and p73. FGFR3 has been implicated in development and tumor biology as activating mutations of this gene was described in skeletal disorders, non-invasive skin conditions and superficial bladder cancers. We found that TAp73, TAp63 and ΔNp63 was capable of inducing FGFR3. siRNA mediated downregulation of ΔNp63 decreased endogenous FGFR3 protein levels. Our findings of this new link between p53 family proteins and FGFR3 may help understanding the transition of superficial bladder cancers to an invasive phenotype.

Item Type:	Article
Schools:	Schools > School of Environment and Life Sciences
Journal or Publication Title:	Biochemical and Biophysical Research Communications
Publisher:	Elsevier
ISSN:	0006-291X
Depositing User:	BS Sayan
Date Deposited:	06 Feb 2023 15:55
Last Modified:	06 Feb 2023 15:55
URI:	https://usir.salford.ac.uk/id/eprint/66346

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