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PSPHL and breast cancer in African American women: causative gene or population stratification?


ABSTRACT: Phophoserine phosphatase-like (PSPHL) is expressed at significantly higher levels in breast tumors from African American women (AAW) compared to Caucasian women (CW). How overexpression of PSPHL contributes to outcome disparities is unclear, thus, molecular mechanisms driving expression differences between populations were evaluated.PCR was used to detect deletion of 30-Kb of chromosome 7p11 including the first three exons of PSPHL using genomic DNA from AAW (199 with invasive breast cancer, 360 controls) and CW (invasive breast cancer =589, 364 controls). Gene expression levels were evaluated by qRT-PCR using RNA isolated from tumor tissue and blood. Data were analyzed using chi-square analysis and Mann-Whitney U-tests; P?

SUBMITTER: Rummel S 

PROVIDER: S-EPMC3994543 | biostudies-literature | 2014 Mar

REPOSITORIES: biostudies-literature

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PSPHL and breast cancer in African American women: causative gene or population stratification?

Rummel Seth S   Penatzer Cayla E CE   Shriver Craig D CD   Ellsworth Rachel E RE  

BMC genetics 20140320


<h4>Background</h4>Phophoserine phosphatase-like (PSPHL) is expressed at significantly higher levels in breast tumors from African American women (AAW) compared to Caucasian women (CW). How overexpression of PSPHL contributes to outcome disparities is unclear, thus, molecular mechanisms driving expression differences between populations were evaluated.<h4>Results</h4>PCR was used to detect deletion of 30-Kb of chromosome 7p11 including the first three exons of PSPHL using genomic DNA from AAW (1  ...[more]

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