The WDNM1 gene product is a novel member of the 'four-disulphide core' family of proteins

T. N. Dear; R. F. Kefford

doi:10.1016/0006-291X(91)90916-U

The WDNM1 gene product is a novel member of the 'four-disulphide core' family of proteins

T. N. Dear^*, R. F. Kefford

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

41 Citations (Scopus)

Abstract

It has been previously demonstrated that the WDNM1 gene is downregulated in metastatic rat mammary adenocarcinomas. Detailed analysis of the structure of WDNM1 mRNA reveals the presence of two transcripts generated by alternative splicing of a single exon. The unspliced version possesses an in-frame termination codon which encodes a predicted protein of 18 amino acids. The spliced version encodes a predicted protein of 60 amino acids which exhibits strong homology to a family of proteins possessing a conserved arrangement of cysteine residues. This family includes several proteinase inhibitors suggesting that WDNM1 could encode a product with proteinase inhibiting capacity. Possible modulation in the level of this protein product could be related to overall proteinase activity of specific tumour cells which, in turn, could influence the invasive and metastatic potential of such cell populations.

Original language	English
Pages (from-to)	247-254
Number of pages	8
Journal	Biochemical and Biophysical Research Communications
Volume	176
Issue number	1
DOIs	https://doi.org/10.1016/0006-291X(91)90916-U
Publication status	Published - 15 Apr 1991
Externally published	Yes

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abstract = "It has been previously demonstrated that the WDNM1 gene is downregulated in metastatic rat mammary adenocarcinomas. Detailed analysis of the structure of WDNM1 mRNA reveals the presence of two transcripts generated by alternative splicing of a single exon. The unspliced version possesses an in-frame termination codon which encodes a predicted protein of 18 amino acids. The spliced version encodes a predicted protein of 60 amino acids which exhibits strong homology to a family of proteins possessing a conserved arrangement of cysteine residues. This family includes several proteinase inhibitors suggesting that WDNM1 could encode a product with proteinase inhibiting capacity. Possible modulation in the level of this protein product could be related to overall proteinase activity of specific tumour cells which, in turn, could influence the invasive and metastatic potential of such cell populations.",

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N2 - It has been previously demonstrated that the WDNM1 gene is downregulated in metastatic rat mammary adenocarcinomas. Detailed analysis of the structure of WDNM1 mRNA reveals the presence of two transcripts generated by alternative splicing of a single exon. The unspliced version possesses an in-frame termination codon which encodes a predicted protein of 18 amino acids. The spliced version encodes a predicted protein of 60 amino acids which exhibits strong homology to a family of proteins possessing a conserved arrangement of cysteine residues. This family includes several proteinase inhibitors suggesting that WDNM1 could encode a product with proteinase inhibiting capacity. Possible modulation in the level of this protein product could be related to overall proteinase activity of specific tumour cells which, in turn, could influence the invasive and metastatic potential of such cell populations.

AB - It has been previously demonstrated that the WDNM1 gene is downregulated in metastatic rat mammary adenocarcinomas. Detailed analysis of the structure of WDNM1 mRNA reveals the presence of two transcripts generated by alternative splicing of a single exon. The unspliced version possesses an in-frame termination codon which encodes a predicted protein of 18 amino acids. The spliced version encodes a predicted protein of 60 amino acids which exhibits strong homology to a family of proteins possessing a conserved arrangement of cysteine residues. This family includes several proteinase inhibitors suggesting that WDNM1 could encode a product with proteinase inhibiting capacity. Possible modulation in the level of this protein product could be related to overall proteinase activity of specific tumour cells which, in turn, could influence the invasive and metastatic potential of such cell populations.

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The WDNM1 gene product is a novel member of the 'four-disulphide core' family of proteins

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