Effect of population and gender on chemotherapeutic agent-induced cytotoxicity

Rong Stephanie Huang, Emily O. Kistner, Wasim K. Bleibel, Sunita J. Shukla, M. Eileen Dolan

Research output: Contribution to journalArticlepeer-review

69 Scopus citations


Large interindividual variance is observed in both response and toxicity associated with chemotherapy. Our goal is to identify factors that contribute to chemotherapy-induced toxicity. To this end, we used EBV-transformed B-lymphoblastoid HapMap cell lines derived from 30 Yoruban trios (African descent) and 30 Centre d' Etude du Polymorphisme Humain (CEPH) trios (European descent) to evaluate population- and gender-specific differences in cytotoxicity of carboplatin, cisplatin, daunorubicin, and etoposide using a high-throughput, short-term cytotoxicity assay. The IC50 was compared for population- and gender- specific differences for the four drugs. We observed large interindividual variance in IC50 values for carboplatin, cisplatin, daunorubicin, and etoposide for both Yoruban and CEPH populations (range from 8- to 433-fold). Statistically significant differences in carboplatin and daunorubicin IC50 were shown when comparing Yoruban cell lines (n = 89) to CEPH cell lines (n = 87; P = 0.002 and P = 0.029, respectively). This population difference in treatment induced cytotoxicity was not seen for either cisplatin or etoposide. In the Yoruban population, cell lines derived from females were less sensitive to platinating agents than males [median carboplatin IC50, 29.1 versus 24.6 μmol/L (P 0.012); median cisplatin IC50, 7.0 versus 6.0 μmol/L (P 0,020) in female and male, respectively]. This difference was not observed in the CEPH population. These results show that population and gender may affect risk for toxicities associated with certain chemotherapeutic agents.

Original languageEnglish (US)
Pages (from-to)31-36
Number of pages6
JournalMolecular Cancer Therapeutics
Issue number1
StatePublished - Jan 2007


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