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The role of regulatory T cells in thymectomy-induced autoimmune ovarian disease. 2017

Yajun Dong, and Hongmei Li, and Yuyan Li, and Yonggang Liu, and Huiling Chen, and Pingping Xu, and Tingting Zhao, and Wei He
Reproductive Medical Center, Department of Obstetrics and Gynecology, Southwest Hospital, Third Military Medical University, Chongqing, China.

OBJECTIVE To evaluate the role of regulatory T (Treg) cells in autoimmune ovarian disease (AOD). METHODS AOD model was set up by thymectomy of BALB/C mice on day 3 (d3tx). The variation of T lymphocyte subsets, especially the Treg cells were analyzed in the peripheral blood, spleen, para-aortic, and inguinal lymph nodes in d3tx mice. The effect of Treg cells on AOD was further evaluated by adoptive transfer of Treg cells into d3tx mice (d3tx+Treg). RESULTS In d3tx mice, the ratio of Treg/CD4+ was significantly increased rapidly from 1st to 2nd week, rapidly declined in 3rd week, then decreased slowly until the 9th week. The CD3+ /T lymphocytes and the ratio of CD4+ /CD3+ were significantly decreased in the para-aortic and inguinal lymph nodes of d3tx mice, but the ratio of Treg/CD4+ and CD8+ /CD3+ were increased simultaneously. In d3tx mice with adoptive transfer of Treg cells (0.5×104 ~5×105 ), there was a significant increase in the Treg/CD4+ ratios in the spleen and peripheral blood. AOD score, especially adoptive transferred treg cells from the ovarian lymph nodes was significantly decreased. Oocytes were successfully obtained from d3tx+Treg mice, which could fertilize and develop to embryos normally. CONCLUSIONS Treg cells involved in the pathogenesis of AOD. Sufficient numbers of Treg cells can modify AOD in the early phase in d3tx mice.

UI MeSH Term Description Entries
D007986 Luteinizing Hormone A major gonadotropin secreted by the adenohypophysis (PITUITARY GLAND, ANTERIOR). Luteinizing hormone regulates steroid production by the interstitial cells of the TESTIS and the OVARY. The preovulatory LUTEINIZING HORMONE surge in females induces OVULATION, and subsequent LUTEINIZATION of the follicle. LUTEINIZING HORMONE consists of two noncovalently linked subunits, alpha and beta. Within a species, the alpha subunit is common in the three pituitary glycoprotein hormones (TSH, LH and FSH), but the beta subunit is unique and confers its biological specificity. ICSH (Interstitial Cell Stimulating Hormone),Interstitial Cell-Stimulating Hormone,LH (Luteinizing Hormone),Lutropin,Luteoziman,Luteozyman,Hormone, Interstitial Cell-Stimulating,Hormone, Luteinizing,Interstitial Cell Stimulating Hormone
D008198 Lymph Nodes They are oval or bean shaped bodies (1 - 30 mm in diameter) located along the lymphatic system. Lymph Node,Node, Lymph,Nodes, Lymph
D008807 Mice, Inbred BALB C An inbred strain of mouse that is widely used in IMMUNOLOGY studies and cancer research. BALB C Mice, Inbred,BALB C Mouse, Inbred,Inbred BALB C Mice,Inbred BALB C Mouse,Mice, BALB C,Mouse, BALB C,Mouse, Inbred BALB C,BALB C Mice,BALB C Mouse
D009865 Oocytes Female germ cells derived from OOGONIA and termed OOCYTES when they enter MEIOSIS. The primary oocytes begin meiosis but are arrested at the diplotene state until OVULATION at PUBERTY to give rise to haploid secondary oocytes or ova (OVUM). Ovocytes,Oocyte,Ovocyte
D010049 Ovarian Diseases Pathological processes of the OVARY. Disease, Ovarian,Diseases, Ovarian,Ovarian Disease
D004967 Estrogens Compounds that interact with ESTROGEN RECEPTORS in target tissues to bring about the effects similar to those of ESTRADIOL. Estrogens stimulate the female reproductive organs, and the development of secondary female SEX CHARACTERISTICS. Estrogenic chemicals include natural, synthetic, steroidal, or non-steroidal compounds. Estrogen,Estrogen Effect,Estrogen Effects,Estrogen Receptor Agonists,Estrogenic Agents,Estrogenic Compounds,Estrogenic Effect,Estrogenic Effects,Agents, Estrogenic,Agonists, Estrogen Receptor,Compounds, Estrogenic,Effects, Estrogen,Effects, Estrogenic,Receptor Agonists, Estrogen
D005260 Female Females
D005306 Fertilization The fusion of a spermatozoon (SPERMATOZOA) with an OVUM thus resulting in the formation of a ZYGOTE. Conception,Fertilization, Delayed,Fertilization, Polyspermic,Conceptions,Delayed Fertilization,Delayed Fertilizations,Fertilizations,Fertilizations, Delayed,Fertilizations, Polyspermic,Polyspermic Fertilization,Polyspermic Fertilizations
D005640 Follicle Stimulating Hormone A major gonadotropin secreted by the adenohypophysis (PITUITARY GLAND, ANTERIOR). Follicle-stimulating hormone stimulates GAMETOGENESIS and the supporting cells such as the ovarian GRANULOSA CELLS, the testicular SERTOLI CELLS, and LEYDIG CELLS. FSH consists of two noncovalently linked subunits, alpha and beta. Within a species, the alpha subunit is common in the three pituitary glycoprotein hormones (TSH, LH, and FSH), but the beta subunit is unique and confers its biological specificity. FSH (Follicle Stimulating Hormone),Follicle-Stimulating Hormone,Follitropin
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man

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