Effect of the estrus cycle stage on the establishment of murine endometriosis lesions

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KIANI KIANDOKHT; MOVAHEDIN MANSOUREH; MALEKAFZALI HOSSEIN; Mirfasihi Faramarz; Sadati Seyedeh Nargess; MOINI ASHRAF; OSTAD SEYED NASSER; AFLATOONIAN REZA

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Journal: International Journal of Reproductive BioMedicine Year:2018 | Volume:16 | Issue:5 Page(s): 305-314

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Title

Effect of the estrus cycle stage on the establishment of murine endometriosis lesions

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Keywords

Endometriosis

Animal models

Transplantation

Autologous

Estrus cycle

Abstract

Background: Establishment of a standardized animal Endometriosis model is necessary for evaluation of new drug effects and for explaining different ethological aspects of this disease. For this purpose, we need a model which has more similarity to human Endometriosis. Objective: Our objective was to establish an Autologous Endometriosis mouse model based on endogenous estrogen level and analyze the influence of Estrus cycle on the maintenance of endometriotic lesions. Materials and Methods: In this experimental study, endometriotic lesions were induced in 52 female NMRI mice by suturing uterine tissue samples to the abdominal wall. The Transplantation was either performed at proestrus/estrus or at metestrus/diEstrus cycles. Urine-soaked beddings from males and also male vasectomized mice were transferred to the cages to synchronize and maintenance of Estrus cycle in female mice. The mice were sacrificed after different Transplantation periods (2, 4, 6 or 8 wk). The lesions size, macroscopic growth, model success rate, histological and immune-histochemical analyses were assessed at the end. Results: From a total of 200 tissue samples sutured into the peritoneal cavity, 83 endometriotic lesions were confirmed by histopathology (41. 5%). Model success rate for proestrus/estrus mice was 60. 7% vs. 79. 2% for metestrus/diestrus mice. The endometriotic lesions had similar growth in both groups. Number of caspase-3, Ki67-positive cells and CD31-positive micro vessels were also similar in endometriotic lesions of two groups. Conclusion: If we maintain the endogenous estrogen levels in mice, we can induce Endometriosis mouse model in both proestrus/estrus and metestrus/diEstrus cycle without any significant difference.

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References

Apoptosis resistance in endometriosis

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APA: Copy

MOVAHEDIN, MANSOUREH, MALEKAFZALI, HOSSEIN, Mirfasihi, Faramarz, Sadati, Seyedeh Nargess, OSTAD, SEYED NASSER, & AFLATOONIAN, REZA. (2018). Effect of the estrus cycle stage on the establishment of murine endometriosis lesions. INTERNATIONAL JOURNAL OF REPRODUCTIVE BIOMEDICINE (IRANIAN JOURNAL OF REPRODUCTIVE MEDICINE), 16(5), 305-314. SID. https://sid.ir/paper/296557/en

Vancouver: Copy

MOVAHEDIN MANSOUREH, MALEKAFZALI HOSSEIN, Mirfasihi Faramarz, Sadati Seyedeh Nargess, OSTAD SEYED NASSER, AFLATOONIAN REZA. Effect of the estrus cycle stage on the establishment of murine endometriosis lesions. INTERNATIONAL JOURNAL OF REPRODUCTIVE BIOMEDICINE (IRANIAN JOURNAL OF REPRODUCTIVE MEDICINE)[Internet]. 2018;16(5):305-314. Available from: https://sid.ir/paper/296557/en

IEEE: Copy

MANSOUREH MOVAHEDIN, HOSSEIN MALEKAFZALI, Faramarz Mirfasihi, Seyedeh Nargess Sadati, SEYED NASSER OSTAD, and REZA AFLATOONIAN, “Effect of the estrus cycle stage on the establishment of murine endometriosis lesions,” INTERNATIONAL JOURNAL OF REPRODUCTIVE BIOMEDICINE (IRANIAN JOURNAL OF REPRODUCTIVE MEDICINE), vol. 16, no. 5, pp. 305–314, 2018, [Online]. Available: https://sid.ir/paper/296557/en

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