Ultrastructural changes in uterine myometrium of mice with experimentally-induced adenomyosis

Taketoshi Mori, T Mori, Y Ohta, Yoshihiro Ohta, H Nagasawa
Experientia · 1984 · vol. 40(12) , pp. 1385–1387 · doi:10.1007/bf01951902 · PMID:6510494 · W2055687344
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⚙ AI-generated summary by claude@2026-06+body, 2026-06-07 ⓘ

Experimentally induced adenomyosis in mice showed myometrial smooth muscle cell involution and distended intercellular spaces, preceded by stromal connective tissue penetration and uterine gland invasion.

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⚙ AI-generated deep summary by claude@2026-06, 2026-06-07 · read from full text ⓘ

This paper examined ultrastructural changes in mouse uterine myometrium in an experimental adenomyosis model generated by ectopic pituitary transplantation in SHN mice. Researchers reported a high incidence of adenomyosis characterized by early stromal connective tissue penetration into the myometrium followed by uterine gland invasion, alongside inner myometrial smooth muscle cell involution and distended intercellular spaces. The major limitation explicitly stated in the brief report is its descriptive, ultrastructural focus without broader mechanistic or functional endpoints. This paper is centrally about adenomyosis — it uses an experimentally induced adenomyosis mouse model to describe specific myometrial ultrastructural changes.

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Summary Ectopic pituitary transplantation induced a high incidence of adenomyosis in SHN mice. Early signs of the development of adenomyosis were the penetration of stromal connective tissue into myometrium followed by uterine gland invasion. Associated with these changes, the inner layer of myometrium showed the involution of smooth muscle cells and distended intercellular spaces References Mori, T., Nagasawa, H., and Takahashi, S., Life Sci.29 (1981) 1277. Mori, T., Nagasawa, H., and Nakajima, Y., Lab. Anim. Sci.32 (1982) 40. Mori, T., and Nagasawa, H., Acta anat.116 (1983) 46. Huseby, R. A., and Thurlow, S., Am. J. Obstet. Gynec.144 (1982) 939. Armstrong, D. T., and King, E. R., Endocrinology89 (1971) 191. Joseph, M. M., and Mubako, H. B., J. Reprod. Fert.45 (1975) 413. Leung, B. S., and Sasaki, G. H., Biochem. biophys. Res. Commun.55 (1973) 1180. Horrobin, D. F., Lipton, A., Muiruri, K. L., Manku, M. S., Bramley, P. S., and Burstyn, P. G., Experientia29 (1973) 109. Williams, G. H., Hammond, J. M., Weisz, J., and Mortel, R., Biol. Reprod.18 (1978) 697. Author information Authors and Affiliations Additional information This work was supported in part by Grant-in-Aid for Scientific Research from the Ministry of Education, Science and Culture of Japan Rights and permissions About this article Cite this article Mori, T., Ohta, Y. & Nagasawa, H. Ultrastructural changes in uterine myometrium of mice with experimentally-induced adenomyosis. Experientia 40, 1385–1387 (1984). https://doi.org/10.1007/BF01951902 Published: Issue date: DOI: https://doi.org/10.1007/BF01951902

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Condition tags

mesh:D004715adenomyosis

MeSH descriptors

Endometriosis Myometrium Animals Cell Nucleus Cell Nucleus Cytoplasm Cytoplasm Endometriosis Endometriosis Female Mice Microscopy, Electron Myometrium Pituitary Gland, Anterior Pituitary Gland, Anterior Prolactin Prolactin Uterus Vacuoles Vacuoles

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