DETECTION AND IDENTIFICATION OF ENDOTHELIN-1 IMMUNOREACTIVITY IN RAT AND PORCINE THYROID FOLLICULAR CELLS

被引:39
作者
COLIN, I [1 ]
BERBINSCHI, A [1 ]
DENEF, JF [1 ]
KETELSLEGERS, JM [1 ]
机构
[1] CATHOLIC UNIV LOUVAIN,SCH MED,UNITE HISTOL,B-1200 BRUSSELS,BELGIUM
关键词
D O I
10.1210/en.130.1.544
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
Endothelin-1 immunoreactivity (irET-1) was observed in rat and porcine thyroid glands. Using a radioimmunoassay for endothelin-1, the mean concentration in extracts of rat and porcine thyroid glands were 0.75 pg/mg +/- 0.03 (n = 4) and 1.5 pg/mg +/- 0.2 (n = 8) (mean +/- SE) respectively. Gel-filtration and reverse-phase HPLC showed that ir ET-1 eluted in a position identical to synthetic endothelin-1. In addition, immunohistochemical study showed that irET-1 is located within epithelial follicular cells. No immunostaining was seen in parafollicular C-cells nor in parathyroid.
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收藏
页码:544 / 546
页数:3
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