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      Modifications of Plasma Prolactin Levels and Catecholamine Content in an Ectopic Anterior Pituitary Gland Transplanted under the Kidney Capsule

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          Abstract

          In order to study the possible role on prolactin secretion of the catecholamines present in ectopic pituitaries, female rats bearing an anterior pituitary graft under the kidney capsule since day 30 of life and their sham-operated controls, were sacrificed at 1,2, 4, 7, 15, 30, 45 and 60 days after the operation. Data obtained showed a significant increase in plasma prolactin levels in grafted rats versus controls from the 4th day on after the grafting (p < 0.01) until the 60th day (p < 0.001). Dopamine content in the ectopic pituitary of grafted rats was higher than in their own in situ pituitaries or on those of sham-operated rats until day 45 being similar to them afterwards. Norepinephrine was also present in the pituitary graft but was not detected in the in situ pituitaries. The grafting of an anterior pituitary gland in an ectopic location was able to induce changes in the local catecholaminergic control of the prolactin secretion.

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          Author and article information

          Journal
          HRE
          Horm Res Paediatr
          10.1159/issn.1663-2818
          Hormone Research in Paediatrics
          S. Karger AG
          1663-2818
          1663-2826
          1987
          1987
          28 November 2008
          : 25
          : 2
          : 105-112
          Affiliations
          Departments of aBiochemistry and bHuman Physiology, School of Medicine, Complutensis University, Madrid, Spain
          Article
          180640 Horm Res 1987;25:105–112
          10.1159/000180640
          3570148
          © 1987 S. Karger AG, Basel

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          Page count
          Pages: 8
          Categories
          Original Paper

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