Strong expression of steroid sulfatase in human cumulus cells in patients with endometriosis.
Fertil Steril
; 84(2): 464-7, 2005 Aug.
Article
en En
| MEDLINE
| ID: mdl-16084891
ABSTRACT
OBJECTIVE:
To investigate the localization and expression of steroid sulfatase (STS) in cumulus cells obtained from subjects with and without endometriosis.DESIGN:
Case-control study.SETTING:
In vitro fertilization program at the Showa University School of Medicine. PATIENT(S) Cumulus cells (142 samples) were obtained from 49 patients for whom IVF was indicated. Some of these samples were taken from cases complicated by endometriosis (35 samples), polycystic ovary syndrome (PCOS; 16 samples), or latent hyperprolactinemia (16 samples). INTERVENTION(S) Immunohistochemical staining for STS. Measurement of STS mRNA expression by real-time polymerase chain reaction (PCR). MAIN OUTCOME MEASURE(S) Expression of STS mRNA and localization of STS. RESULT(S) Steroid sulfatase was localized in the cytoplasm of the cumulus cells, and expression of STS mRNA was observed. The expression level of STS mRNA from patients with endometriosis was significantly higher (11.8-fold) than that of patients without endometriosis. CONCLUSION(S) These results suggest a local steroidal regulation mechanism in cumulus cells. Although the physiological role of STS in cumulus cells remains unclear, STS may be involved in the quality of eggs in patients with endometriosis.
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Colección:
01-internacional
Banco de datos:
MEDLINE
Asunto principal:
Oocitos
/
Regulación Enzimológica de la Expresión Génica
/
Esteril-Sulfatasa
/
Endometriosis
Tipo de estudio:
Observational_studies
Límite:
Adult
/
Female
/
Humans
Idioma:
En
Revista:
Fertil Steril
Año:
2005
Tipo del documento:
Article
País de afiliación:
Japón