A genome-wide approach to identify genetic variants that contribute to etoposide-induced cytotoxicity.

A genome-wide approach to identify genetic variants that contribute to etoposide-induced cytotoxicity. Research Abstract Details 

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A genome-wide approach to identify genetic variants that contribute to etoposide-induced cytotoxicity. Abstract Text:

R Stephanie Huang,Shiwei Duan,Wasim K Bleibel,Emily O Kistner,Wei Zhang,Tyson A Clark,Tina X Chen,Anthony C Schweitzer,John E Blume,Nancy J Cox,M Eileen Dolan,R Stephanie Huang,Shiwei Duan,Wasim K Bleibel,Emily O Kistner,Wei Zhang,Tyson A Clark,Tina X Chen,Anthony C Schweitzer,John E Blume,Nancy J Cox,M Eileen Dolan,

Large interindividual variance has been observed in sensitivity to drugs. To comprehensively decipher the genetic contribution to these variations in drug susceptibility, we present a genome-wide model using human lymphoblastoid cell lines from the International HapMap consortium, of which extensive genotypic information is available, to identify genetic variants that contribute to chemotherapeutic agent-induced cytotoxicity. Our model integrated genotype, gene expression, and sensitivity of HapMap cell lines to drugs. Cell lines derived from 30 trios of European descent (Center d'Etude du Polymorphisme Humain population) and 30 trios of African descent (Yoruban population) were used. Cell growth inhibition at increasing concentrations of etoposide for 72 h was determined by using alamarBlue assay. Gene expression on 176 HapMap cell lines (87 Center d'Etude du Polymorphisme Humain population and 89 Yoruban population) was determined by using the Affymetrix GeneChip Human Exon 1.0ST Array. We evaluated associations between genotype and cytotoxicity, genotype and gene expression and correlated gene expression of the identified candidates with cytotoxicity. The analysis identified 63 genetic variants that contribute to etoposide-induced toxicity through their effect on gene expression. These include genes that may play a role in cancer (AGPAT2, IL1B, and WNT5B) and genes not yet known to be associated with sensitivity to etoposide. This unbiased method can be used to elucidate genetic variants contributing to a wide range of cellular phenotypes induced by chemotherapeutic agents.

A genome-wide approach to identify genetic variants that contribute to etoposide-induced cytotoxicity. Publishing Authors By Initials

RS Huang,S Duan,WK Bleibel,EO Kistner,W Zhang,TA Clark,TX Chen,AC Schweitzer,JE Blume,NJ Cox,ME Dolan,RS Huang,S Duan,WK Bleibel,EO Kistner,W Zhang,TA Clark,TX Chen,AC Schweitzer,JE Blume,NJ Cox,ME Dolan,

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A genome-wide approach to identify genetic variants that contribute to etoposide-induced cytotoxicity. Journal Published:

PUBLICATION TYPE: Research Support, N.I.H., Extr

Journal: Proceedings of the National Academy of Sciences of

VOLUME: 104

Page Numbers: 9758-63

Journal Abbreviation: Proc. Natl. Acad. Sci. U.S.A.

ISSN: 0027-8424

DAY: 30

MONTH: 05

YEAR: 2007

A genome-wide approach to identify genetic variants that contribute to etoposide-induced cytotoxicity. Information

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LANGUAGE: eng

NlmUniqueID: 7505876

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Grant and Affiliation Information for A genome-wide approach to identify genetic variants that contribute to etoposide-induced cytotoxicity.

AFFILIATION: Section of Hematology-Oncology, Biostatistics Consulting Laboratory, Department of Health Studies, University of Chicago, Chicago, IL 60637, USA.

Country: United States

AGENCY: United States NIGMS

GRANT: U01GM61374

ACRONYM: GM

MEDLINETA: Proc Natl Acad Sci U S A

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