Planar Cell Polarity Control in Melanoma Metastasis

黑色素瘤转移中的平面细胞极性控制

基本信息

  • 批准号:
    10360007
  • 负责人:
  • 金额:
    --
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
  • 财政年份:
    2022
  • 资助国家:
    美国
  • 起止时间:
    2022-04-01 至 2026-03-31
  • 项目状态:
    未结题

项目摘要

Melanoma is a highly aggressive cancer that begins in melanin-producing melanocytes in the skin. It accounts for only about 1% of skin cancers, but it is the leading cause of skin cancer deaths. US military personnel have higher rates of melanoma than civilians because of the heavy exposure to sunlight in the deployment setting. Based on the Veterans Affairs Central Cancer Registry, melanoma is one of the five most frequently diagnosed cancers among VA cancer patients. US Veterans will continue to be vulnerable to melanoma as the US military currently is and has been recently engaged in missions in several high ultraviolet (UV) index zones, such as Iraq and Afghanistan. Thus, there is a critical need to devise strategies to slow melanoma progression, leading to extended or even permanent survivorship in Veteran patients. Current efforts in melanoma research are heavily focused on blocking cell proliferation or killing tumor cells. However, it may also be possible to treat this disease by preventing tumor cells from spreading to other organs. The planar cell polarity (PCP) pathway controls tissue polarity during development by regulating the directional movement of cells and coordinating neighboring cells to the tissue axes. Increasing evidence suggests that it also plays a role in cancer by promoting tumor cell migration and invasion. Although some information is available regarding the PCP pathway in certain cancers, its involvement in melanoma has not been studied. The long-term goal of our study is to dissect the role and mechanism of the PCP pathway in melanoma development and progression. In our preliminary studies, we have found that Frizzled 6 (FZD6), one of the core PCP genes, is overexpressed in multiple melanoma cell lines and human tissues. Knockdown (KD) or knockout (KO) of FZD6 does not affect cell proliferation, but significantly reduces the invasive ability of melanoma cells. In addition, we have found that KO of Fzd6 dramatically reduces lung metastasis in the Pten/BRaf mouse model of melanoma. Therefore, we hypothesize that FZD6 promotes melanoma invasion and metastasis by regulating cell polarity and could serve as a novel target for melanoma management. We will test this hypothesis with the following three aims: (1) to determine the mechanisms of FZD6 in promoting melanoma cell invasion in vitro; (2) to determine the functional significance of FZD6 in melanoma metastasis in vivo; and (3) to determine the clinical relevance and therapeutic significance of FZD6 in melanoma. The proposed research is innovative. We have assembled a team with diverse expertise to take a multi-disciplinary approach using loss- and gain-of-function genetic studies, live-cell imaging, inducible protein degradation, genomics, and drug discovery. The proposed research is significant. Our proposed aims will not only unveil mechanistic insights into the FZD6-mediated PCP pathway in promoting melanoma metastasis, but serve as proof-of-principle studies for drug development to target this system for melanoma management. Since the Veteran population are at higher risk of developing malignant melanoma, our work is relevant and significant to the health care of our Veterans.
黑色素瘤是一种高度侵袭性的癌症,始于皮肤中产生黑色素的黑色素细胞。这账户

项目成果

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Hao Chang其他文献

On the First Hochschild Cohomology of Cocommutative Hopf Algebras of Finite Representation Type
有限表示型共交换Hopf代数的第一Hochschild上同调

Hao Chang的其他文献

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{{ truncateString('Hao Chang', 18)}}的其他基金

Planar Cell Polarity Control in Melanoma Metastasis
黑色素瘤转移中的平面细胞极性控制
  • 批准号:
    10560473
  • 财政年份:
    2022
  • 资助金额:
    --
  • 项目类别:
Signaling Pathways in Skin Patterning and Polarity
皮肤图案和极性的信号通路
  • 批准号:
    10616499
  • 财政年份:
    2019
  • 资助金额:
    --
  • 项目类别:
Signaling Pathways in Skin Patterning and Polarity
皮肤图案和极性的信号通路
  • 批准号:
    10393531
  • 财政年份:
    2019
  • 资助金额:
    --
  • 项目类别:
Signaling Pathways in Skin Patterning and Polarity
皮肤图案和极性的信号通路
  • 批准号:
    9921416
  • 财政年份:
    2019
  • 资助金额:
    --
  • 项目类别:

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