C Thomas-Morvan

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In primary cultures of cells from human thyroid cancer, functional activity was investigated by adenylate cyclase responsiveness and radioiodine uptake. In cells from well-differentiated follicular carcinomas (2 cases), TSH stimulation of cAMP accumulation is similar to that of normal thyroid cells. In contrast, in papillary carcinomas (11 cases), the mean(More)
Stable thyroid hormones (T4 and T3)1) have been demonstrated in pure albumin isolated from normal human thyroid tissue iodinated in vivo. Five samples of albumin were separated from other thyroid proteins by acrylamide gel electrophoresis. After pronase hydrolysis, the content of Thyroid hormones was measured chemically (T4 + T3) as well as by competitive(More)
In order to study the expression of the morphological and functional characteristics of human thyroid cells, 3-dimensional cultures were carried out in collagen gel. This substrate allows the cells to retain their organization in follicles with a normal polarity. Cellular polarities appeared normal at the time of collagen embedding, but there was a delay of(More)
TSH stimulation of adenylate cyclase (AC) and iodine uptake was compared in 39 surgical specimens of primary tumours and/or lymph node metastases from 29 human differentiated thyroid carcinomas. TSH stimulation of AC was significantly lower (2.1 +/- 0.3 fold the basal level) in patients without in vivo 131I uptake than in patients with 131I uptake (4.7 +/-(More)