Expression of corticotropin-releasing hormone messenger ribonucleic acid in human pituitary corticotroph adenomas associated with proliferative potential.

Expression of corticotropin-releasing hormone messenger ribonucleic acid in human pituitary corticotroph adenomas associated with proliferative potential.
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促肾上腺皮质激素释放激素信使核糖核酸在人垂体促肾上腺皮质激素腺瘤中的表达与增殖潜力相关。

DOI:
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发表时间:
2000
影响因子:
5.8
通讯作者:
M. Hirokawa
M. Hirokawa
中科院分区:
医学2区
文献类型:
--
作者:
Bing Xu;Toshiaki Sano;Shozo Yamada;CHIUN CHEI Li;M. Hirokawa

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在促进人垂体促肾上腺皮质激素腺瘤(hPCA)生长的因素中,hPCA分泌的CRH对这些肿瘤的增殖潜力尚不清楚。在这项研究中,CRH信使核糖核酸(mRNA)转录的石蜡切片上显示,使用定量原位杂交方法在43 hPCA中的37例,包括微腺瘤22例中的17例,大腺瘤15例中的15例,和局部侵袭性腺瘤6例中的5例,根据哈代的垂体腺瘤的分类。垂体促肾上腺皮质激素腺瘤细胞CRH mRNA表达强度与Ki-67肿瘤生长分数呈线性相关(r = 0.802; P < 0.0001),且大腺瘤和局部浸润性腺瘤细胞CRH mRNA表达强度明显高于微腺瘤细胞(P = 0.035)。另一方面,CRH mRNA的转录积累是不存在或可忽略不计,在10个正常垂体腺(P = 0.005)。这是首次报道CRH mRNA在人垂体促肾上腺皮质激素腺瘤细胞中的高表达。这些结果表明,CRH从本地来源的促肾上腺皮质激素腺瘤细胞不仅有自分泌/旁分泌功能的促肾上腺皮质激素腺瘤组织,但也是一个重要的因素与增殖潜力的hPCA。
Among the factors that promote the growth of human pituitary corticotroph adenomas (hPCAs), the proliferative potential of CRH secreted by hPCAs on these tumors is not well known. In this study, the CRH messenger ribonucleic acid (mRNA) transcripts were demonstrated on paraffin sections using the quantitative in situ hybridization method in 37 of 43 hPCAs, including 17 of 22 microadenomas, 15 of 15 macroadenomas, and 5 of 6 locally invasive adenomas according to Hardy's classification of pituitary adenomas. The more important findings were that CRH mRNA signal intensity in pituitary corticotroph adenoma cells was linearly correlated with Ki-67 tumor growth fractions (r = 0.802; P < 0.0001), and in macroadenoma and locally invasive adenoma cells it was significantly higher than in microadenoma cells (P = 0.035). On the other hand, CRH mRNA transcript accumulation was absent or negligible in 10 normal pituitary glands (P = 0.005). This is the first report of the frequent expression of CRH mRNA localized in human pituitary corticotroph adenoma cells. These results indicate that CRH from a local source of corticotroph adenoma cells not only has autocrine/paracrine functions in corticotroph adenomatous tissue, but also is an important factor associated with a proliferative potential of hPCAs.
DOI: --
发表时间: 1997-02
期刊: The American journal of pathology
影响因子: --
作者:
Ricardo V. Lloyd;Long Jin;X. Qian;E. Kulig
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合成绵羊促肾上腺皮质激素释放因子的作用:延长血浆促肾上腺皮质激素和皮质醇的作用持续时间和双相反应。
DOI: 10.1210/jcem-57-2-294
发表时间: 1983
期刊: The Journal of clinical endocrinology and metabolism
影响因子: --
作者:
DeBold,CR;DeCherney,GS;Jackson,RV;Sheldon,WR;Alexander,AN;Island,DP;Rivier,J;Vale,W;Orth,DN
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DOI: 10.1210/jcem.82.6.3976
发表时间: 1997
期刊: The Journal of clinical endocrinology and metabolism.
影响因子: --
作者:
Sanno,N;Jin,L;Qian,X;Osamura,RY;Scheithauer,BW;Kovacs,K;Lloyd,RV
通讯作者: Lloyd,RV
促肾上腺皮质激素释放因子转基因小鼠库欣综合征的发生。
DOI: 10.1210/endo.130.6.1597149
发表时间: 1992
期刊: Endocrinology
影响因子: 4.8
作者:
Stenzel-Poore,MP;Cameron,VA;Vaughan,J;Sawchenko,PE;Vale,W
通讯作者: Vale,W
合成绵羊促肾上腺皮质激素释放因子、糖皮质激素、儿茶酚胺、神经垂体肽和其他物质对培养促肾上腺皮质激素细胞的影响。
DOI: 10.1210/endo-113-3-1121
发表时间: 1983
期刊: Endocrinology
影响因子: 4.8
作者:
Vale,W;Vaughan,J;Smith,M;Yamamoto,G;Rivier,J;Rivier,C
通讯作者: Rivier,C