Area:
Molecular Biology, Oncology
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High-probability grants
According to our matching algorithm, Khanh D. Huynh is the likely recipient of the following grants.
Years |
Recipients |
Code |
Title / Keywords |
Matching score |
2005 — 2009 |
Huynh, Khanh D |
K01Activity Code Description: For support of a scientist, committed to research, in need of both advanced research training and additional experience. |
The Role of X-Linked Gene Expression in Mammary Tumorigenesis @ Massachusetts General Hospital
DESCRIPTION (provided by applicant): In female mammals, one of the two X-chromosomes is transcriptionally silenced through an epigenetic process known as X-chromosome inactivation (XCI). This dosage compensation mechanism ensures equal X-linked gene expression between XX females and XY males, and is necessary for normal development. A large body of experimental observations over the past several decades has implicated a role for XCI mis-regulation in the development and pathogenesis of various cancers, particularly female breast and reproductive cancers. First, loss of the Barr body -- a cytological signature of an inactivated X-chromosome -- has often been described for many female tumors. Second, X-chromosome anomalies, most often characterized by the gain of one or more transcriptionally active X-chromosomes and/or reactivation of the inactive X is a common phenomenon observed in many tumor cells. Third, the tumor suppressor, BRCA1, implicated in familial breast and ovarian cancers, has a role in X-chromosome inactivation. The objective of the proposed study is to investigate the role of X-chromosome reactivation in breast tumorigenesis. The long-term goal is to elucidate the role of X-linked genes in tumor development and pathogenesis. The specific aims are: 1) to determine the role of ectopic X-linked expression in breast tumorigenesis using a mouse model system; 2) to identify and characterize X-linked genes overexpressed in breast tumors.
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