Do steroid hormones play a role in the etiology of glioma?

Geoffrey C. Kabat, Anne M. Etgen, Thomas E. Rohan

Research output: Contribution to journalArticle

45 Citations (Scopus)

Abstract

Gliomas are the most common type of primary malignant brain tumor and have a very poor prognosis. Little is known, however, about the etiology of these tumors. Evidence from a number of sources suggests that endogenous steroid hormones may play a role in the development of gliomas. First, the descriptive epidemiology of glioma suggests a relative protection of females compared with males, particularly during the premenopausal years. Second, some gliomas and glioblastomas express estrogen receptors (ER), especially ERβ, as well as aromatase, the enzyme responsible for the conversion of testosterone to estradiol, and possibly other steroid hormone receptors. Third, experimental studies indicate that glioblastomas transplanted into animals grow at a slower rate in females compared with males. Finally, experimental studies show that estradiol, 2-methoxyestradiol, and a number of selective estrogen receptor modulators inhibit proliferation of gliomas and induce cell death. These hormonal agonists and antagonists may act either through classical steroid hormone receptors or independently of such receptors. In view of these findings, further clinical, experimental, and epidemiologic studies are needed to elucidate the role of steroid hormone agonists and antagonists in the development and proliferation of glioma. If hormonal pathways are involved in gliomagenesis, this could eventually lead to the design of preventive strategies.

Original languageEnglish (US)
Pages (from-to)2421-2427
Number of pages7
JournalCancer Epidemiology Biomarkers and Prevention
Volume19
Issue number10
DOIs
StatePublished - Oct 2010

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Glioma
Steroids
Hormones
Steroid Receptors
Glioblastoma
Estrogen Receptors
Estradiol
Hormone Antagonists
Selective Estrogen Receptor Modulators
Aromatase
Brain Neoplasms
Testosterone
Epidemiologic Studies
Epidemiology
Cell Death
Enzymes
Neoplasms

ASJC Scopus subject areas

  • Epidemiology
  • Oncology

Cite this

Do steroid hormones play a role in the etiology of glioma? / Kabat, Geoffrey C.; Etgen, Anne M.; Rohan, Thomas E.

In: Cancer Epidemiology Biomarkers and Prevention, Vol. 19, No. 10, 10.2010, p. 2421-2427.

Research output: Contribution to journalArticle

Kabat, Geoffrey C. ; Etgen, Anne M. ; Rohan, Thomas E. / Do steroid hormones play a role in the etiology of glioma?. In: Cancer Epidemiology Biomarkers and Prevention. 2010 ; Vol. 19, No. 10. pp. 2421-2427.
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