WISP-1 is a Wnt-1- and β-catenin-responsive oncogene

Lifeng Xu; Ryan B. Corcoran; James W. Welsh; Diane Pennica; Arnold J. Levine

WISP-1 is a Wnt-1- and β-catenin-responsive oncogene

Lifeng Xu, Ryan B. Corcoran, James W. Welsh, Diane Pennica, Arnold J. Levine

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

Abstract

WISP-1 (Wnt-1 induced secreted protein 1) is a member of the CCN family of growth factors. This study identifies WISP-1 as a β-catenin-regulated gene that can contribute to tumorigenesis. The promoter of WISP-1 was cloned and shown to be activated by both Wnt-1 and β-catenin expression. TCF/LEF sites played a minor role, whereas the CREB site played an important role in this transcriptional activation. WISP-1 demonstrated oncogenic activities; overexpression of WISP-1 in normal rat kidney fibroblast cells (NRK-49F) induced morphological transformation, accelerated cell growth, and enhanced saturation density. Although these cells did not acquire anchorage- independent growth in soft agar, they readily formed tumors in nude mice, suggesting that appropriate cellular attachment is important for signaling oncogenic events downstream of WISP-1.

Original language	English (US)
Pages (from-to)	585-595
Number of pages	11
Journal	Genes and Development
Volume	14
Issue number	5
State	Published - Mar 1 2000
Externally published	Yes

Keywords

β-catenin
Oncogene
WISP-1
Wnt-1

ASJC Scopus subject areas

Genetics
Developmental Biology

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title = "WISP-1 is a Wnt-1- and β-catenin-responsive oncogene",

abstract = "WISP-1 (Wnt-1 induced secreted protein 1) is a member of the CCN family of growth factors. This study identifies WISP-1 as a β-catenin-regulated gene that can contribute to tumorigenesis. The promoter of WISP-1 was cloned and shown to be activated by both Wnt-1 and β-catenin expression. TCF/LEF sites played a minor role, whereas the CREB site played an important role in this transcriptional activation. WISP-1 demonstrated oncogenic activities; overexpression of WISP-1 in normal rat kidney fibroblast cells (NRK-49F) induced morphological transformation, accelerated cell growth, and enhanced saturation density. Although these cells did not acquire anchorage- independent growth in soft agar, they readily formed tumors in nude mice, suggesting that appropriate cellular attachment is important for signaling oncogenic events downstream of WISP-1.",

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AU - Xu, Lifeng

AU - Corcoran, Ryan B.

AU - Welsh, James W.

AU - Pennica, Diane

AU - Levine, Arnold J.

PY - 2000/3/1

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AB - WISP-1 (Wnt-1 induced secreted protein 1) is a member of the CCN family of growth factors. This study identifies WISP-1 as a β-catenin-regulated gene that can contribute to tumorigenesis. The promoter of WISP-1 was cloned and shown to be activated by both Wnt-1 and β-catenin expression. TCF/LEF sites played a minor role, whereas the CREB site played an important role in this transcriptional activation. WISP-1 demonstrated oncogenic activities; overexpression of WISP-1 in normal rat kidney fibroblast cells (NRK-49F) induced morphological transformation, accelerated cell growth, and enhanced saturation density. Although these cells did not acquire anchorage- independent growth in soft agar, they readily formed tumors in nude mice, suggesting that appropriate cellular attachment is important for signaling oncogenic events downstream of WISP-1.

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