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   Effect of tamoxifen on ovarian reserve: A randomized controlled assessor-blind trial in a mouse model  
   
نویسنده akduman a.t. ,özerkan k. ,zik b. ,peker s. ,avcı b. ,ata b.
منبع journal of the turkish german gynecology association - 2014 - دوره : 15 - شماره : 4 - صفحه:228 -232
چکیده    Objective: to determine whether tamoxifen (tmx) exposure causes a permanent decrease in ovarian reserve.material and methods: a randomized controlled assessor-blind trial including 30 adult female inbred balb/c mice. fifteen mice in the tmx group were given a single 0.1-mg dose of tmx intraperitoneally. fifteen mice in the control group were given a single dose of the vehicle at the same volume intraperitoneally. two cycles later,blood samples were collected for determination of anti-müllerian hormone (amh) levels,and the mice were sacrificed. after gonadectomy,ovarian size was measured,and follicles were counted under light microscopy.results: median serum amh levels were 6.53 and 6.14 ng/ml in the control and tmx groups,respectively (p=0.03). ovarian size was significantly decreased in the tmx group. while the number of primordial (9 vs 8),primary (6 vs 3),and secondary (4.5 vs 5) follicles were similar,there were significantly fewer preantral (11.5 vs 6,p<0.01) and antral (2 vs 1,p: 0.03) follicles,as well as corpora lutea (6 vs 3,p: 0.04),in the tmx group than in the control group. the number of atretic (2.5 vs 5,p: 0.048) follicles was increased in the tmx group.conclusion: tamoxifen administration leads to arrested growth of gonadotropin-sensitive follicles,while insensitive follicles can remain unaffected. tmx is merely an endocrine disruptor,and it does not cause a decrease in primordial follicle pool. © 2014 by the turkish-german gynecological education and research foundation.
کلیدواژه Anti-Müllerian hormone; Antral follicle count; Folliculogenesis; Ovarian reserve; Tamoxifen
آدرس department of obstetrics and gynecology,uludağ university, Turkey, department of obstetrics and gynecology,uludağ university, Turkey, department of histology and embryology,uludağ university, Turkey, department of histology and embryology,uludağ university, Turkey, department of obstetrics and gynecology,uludağ university,bursa,turkey,department of histology and embryology,uludağ university, Turkey, department of obstetrics and gynecology,uludağ university,bursa,turkey,department of obstetrics and gynecology,koç university, Turkey
 
     
   
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