Actions of steroids and prostaglandins secreted by the placenta and uterus of the cow and ewe on lymphocyte proliferation in vitro.

Actions of steroids and prostaglandins secreted by the placenta and uterus of the cow and ewe on lymphocyte proliferation in vitro.
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牛和母羊胎盘和子宫分泌的类固醇和前列腺素对体外淋巴细胞增殖的作用。

DOI:
10.1111/j.1600-0897.1988.tb00238.x
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发表时间:
1988
期刊:
American journal of reproductive immunology and microbiology : AJRIM
影响因子:
--
通讯作者:
Hansen,PJ
Hansen,PJ
中科院分区:
--
文献类型:
--
作者:
Low,BG;Hansen,PJ

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检测了已知由奶牛和绵羊的孕体、母体子宫内膜和胎盘产生的前列腺素、类固醇及其代谢产物抑制牛和绵羊淋巴细胞体外胚细胞生成的能力。前列腺素E2(PGE 2)以对数线性、浓度依赖性方式抑制PHA和混合淋巴细胞反应诱导的胚细胞生成,在终浓度为10− 8 M及更高时发挥其抑制作用。PGE 2也抑制IL-2依赖性淋巴细胞增殖,但程度低于PHA处理的培养物。孕酮和雌二醇-17 β也抑制[3 H]胸苷掺入PHA刺激的淋巴细胞,但仅在药理学浓度为10− 5 M时。PGE 2和孕酮对淋巴细胞增殖的抑制作用无协同作用。雌酮、PGF 2 α、15-酮-13,14-二氢-PGF 2 α和孕酮的两种代谢产物(5β-孕甾烷-3,20-二酮和5β-孕甾烷-3,20-二醇)对淋巴细胞增殖无影响。由于PGE 2在整个妊娠期间在胎儿-母体界面持续产生,它可能是一种重要的局部免疫调节剂,以保护同种异体胎儿免受母牛和母羊的母体免疫攻击。
Prostaglandins, steroids, and their metabolites that are known to be produced by the conceptus, maternal endometrium, and placenta of the cow and sheep were tested for their ability to inhibit in vitro blastogenesis of bovine and ovine lymphocytes. Prostaglandin E2(PGE2) suppressed PHA‐ and mixed lymphocyte reaction‐induced blastogenesis in a log‐linear, concentration‐dependent manner, exerting its inhibitory effect at a final concentration of 10−8M and higher. PGE2also inhibited IL‐2 ‐dependent proliferation of lymphocytes, but to a lesser degree than for PHA‐treated cultures. Progesterone and estradiol‐17β also inhibited [3H] thymidine incorporation into PHA‐stim‐ulated lymphocytes, but only at a pharmacological concentration of 10−5M. No synergy between PGE2and progesterone in inhibiting lymphocyte proliferation was observed. Estrone, PGF2α, 15‐keto‐13,14‐dihydro‐PGF2α, and two metabolites of progesterone (5β‐preg‐nane‐3,20‐dione and 5β‐pregnane‐3,20‐diol) had no effect on lymphocyte proliferation. By virtue of its continual production at the fetal‐maternal interface throughout pregnancy, PGE2may be an important local immunoregulatory agent to protect the allogeneic fetus from maternal immunological attack in the cow and ewe.
用黄体酮治疗的母羊子宫腔内的皮肤移植存活。
DOI: 10.1111/j.1600-0897.1986.tb00062.x
发表时间: 1986
期刊: American journal of reproductive immunology and microbiology : AJRIM
影响因子: --
作者:
Hansen,PJ;Bazer,FW;SegersonJr,EC
通讯作者: SegersonJr,EC
CD3-Ti 复合物交联后,前列腺素 E2 通过在激活过程的早期阶段直接影响 T 细胞来抑制人类 T 细胞增殖。
DOI: --
发表时间: 1987
影响因子: 4.3
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DOI: --
发表时间: 1985
期刊: Prostaglandins
影响因子: --
作者:
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前列腺素 E2 作用于 T 淋巴细胞激活的两种不同途径:抑制白细胞介素 2 的产生和下调转铁蛋白受体的表达。
DOI: --
发表时间: 1985
期刊: Journal of immunology (Baltimore, Md. : 1950)
影响因子: --
作者:
Chouaib,S;Welte,K;Mertelsmann,R;Dupont,B
通讯作者: Dupont,B
DOI: --
发表时间: 1979
期刊: Steroids
影响因子: 2.7
作者:
G. J. Marcus;R. Lucis;L. Ainsworth
通讯作者: L. Ainsworth