The effect of intraperitoneal interleukin-2 on surgically induced endometriosis in rats

Francisco Quereda, Bermejo R, Rosa Bermejo, Rosa Barroso Bermejo, Irene Velasco, Adolfo Campos, Campos A, Pedro Acién, Acién P
European journal of obstetrics, gynecology, and reproductive biology · 2007 · vol. 136(2) , pp. 243–248 · doi:10.1016/j.ejogrb.2006.11.021 · PMID:17208346 · W2129269496
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Intraperitoneal interleukin-2 administration reduced endometriotic lesion size and inflammatory cell infiltration in a rat model of surgically induced endometriosis.

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Abstract

ObjectiveTo evaluate the effect of interleukin-2 (IL-2) on an experimental model of endometriosis.Study designDouble blind and randomized experimental prospective placebo-controlled study. Experimental endometriosis was induced in 66 three-month-old female Wistar rats, by auto-transplanting fragments of endometrium to the peritoneum. After four weeks, the size of each implant was measured in millimeters by laparotomy (L2), and animals were randomly distributed for intraperitoneal administration of human-IL-2, rat-IL-2 or placebo. Four weeks later, the implants were measured (L3) and a second dose was given. After four weeks, endometriosis size was evaluated again (L4).ResultsWe found a reduction of experimental endometriosis at L3 that was only significant in IL-2 treated groups: 20.1% and 30.3% with human-IL-2 and rat-IL-2, respectively (p<0.001 with respect to L2 size), versus a non-significant reduction of 9.0% found in placebo group, but the differences were not statistically significant between groups. The decrease after a second dose (L4) was: 49.8%, 41.8% and 11.4% with human-IL-2, rat-IL-2 and placebo, respectively (p<0.001 in IL-2 groups versus L2 and L3, and p<0.05 in both groups versus placebo at L4).ConclusionIntraperitoneal administration of IL-2 reduces experimental endometriosis, and this effect is similar using rat-IL-2 or human IL-2 (non specie-specific effect).

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Condition tags

endometriosis

MeSH descriptors

Antineoplastic Agents Endometriosis Interleukin-2 Peritoneal Diseases Animals Antineoplastic Agents Endometriosis Female Injections, Intraperitoneal Interleukin-2 Peritoneal Diseases Random Allocation Rats Rats, Wistar

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References (33)

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SciLite annotations

organisms 10
rattus sp. zitter rats multicellular animals human zitter rats human zitter rats zitter rats zitter rats human

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