Results
| PMID | 16616093 |
| Gene Name | RB1 |
| Condition | Endometriosis |
| Association |
Associated |
| Population size | 56 |
| Population details | 56 (25 women with endometriomas, 31 women with adenomyosis) |
| Sex | Female |
| Associated genes | p16, pRb,cyclin D1 |
| Other associated phenotypes |
Endometriotic and adenomyotic tissues |
|
Fertil Steril. 2006 Apr;85 Suppl 1:1204-7. Goumenou, Anastasia G| Matalliotakis, Ioannis M| Tzardi, Maria| Fragouli, Ivoni G| Mahutte, Neal G| Arici, Aydin Department of Obstetrics and Gynaecology, University Hospital of Heraklion, Heraklion, Greece. OBJECTIVE: To investigate the expression of p16, retinoblastoma (pRb), and cyclin D1 oncoproteins in endometriomas and adenomyosis. DESIGN: Immunohistochemical study for p16, pRb, and cyclin D1 proteins in formalin-fixed paraffin-embedded endometriotic and adenomyotic tissues. SETTING: University hospital. PATIENT(S): Tissues from 25 women with endometriomas and 31 women with adenomyosis were evaluated. INTERVENTION(S): Tissue samples were collected during gynecologic surgery and confirmed by histology to have endometriosis or adenomyosis. Nuclear expression of p16, pRb, and cyclin D1 proteins was examined by immunohistochemistry. MAIN OUTCOME MEASURE(S): Distribution and intensity of immunostaining. RESULT(S): In the proliferative phase of the cycle, p16 was detected in 77% of adenomyosis tissues but in only 15% of endometriosis tissues. Moreover, in adenomyosis samples positive for p16, 100% of the adenomyotic cells expressed p16, whereas only 10%-20% of endometriosis cells from positive cases expressed p16. In contrast, pRb was detected in 28% of endometriosis cases but not in any adenomyotic tissues. Cyclin D1 was absent in both endometriotic and adenomyotic tissue samples. CONCLUSION(S): Differences in oncoprotein expression between endometriotic and adenomyotic tissues provide further evidence that the pathogenesis of endometriosis is different from that of adenomyosis. Mesh Terms: Adenovirus E1A Proteins/*metabolism| Adult| Cell Nucleus/*metabolism| Cyclin D1| Cyclin-Dependent Kinase Inhibitor p16/*metabolism| Endometriosis/*metabolism| Female| Gene Expression Regulation| Humans| Middle Aged| Nuclear Proteins| Repressor |
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