Ectopic growth of endometrium depends on its structural integrity and proteolytic activity in the cynomolgus monkey (Macaca fascicularis) model of endometriosis.

Abstract:

OBJECTIVE:To identify factors influencing the development of endometrial autografts in a monkey model of endometriosis. DESIGN:Prospective, comparative study. SETTING:Animal research unit. SUBJECTS:Thirty regularly cycling cynomolgus monkeys in three groups of 10 each. INTERVENTIONS:Endometrium was minced and spilled into the cul-de-sac in group 1. In group 2, the tissue additionally was digested enzymatically. In group 3, the tissue was incubated with a protease inhibitor. MAIN OUTCOME MEASURES:Staging laparotomies after 3 weeks and 3 months. RESULTS:In groups 1, 2, and 3, moderate or severe disease was seen in eight, two, and four monkeys, respectively, after 3 weeks and in eight, three, and two monkeys, respectively, at 3 months. CONCLUSIONS:An intact structure leads to ectopic implantation of endometrial fragments in most cases. Conversely, enzymatic digestion of endometrial fragments and treatment with proteinase inhibitor impair ectopic growth. Intrinsic endometrial factors that influence extracellular matrix remodeling may play a role in the pathogenesis of human endometriosis.

journal_name

Fertil Steril

journal_title

Fertility and sterility

authors

Sillem M,Hahn U,Coddington CC 3rd,Gordon K,Runnebaum B,Hodgen GD

doi

10.1016/s0015-0282(16)58521-5

subject

Has Abstract

pub_date

1996-09-01 00:00:00

pages

468-73

issue

3

eissn

0015-0282

issn

1556-5653

pii

S0015-0282(16)58521-5

journal_volume

66

pub_type

杂志文章
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