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Prolactin regulation

Sanyal S, Van Tol HH (1997) Dopamine D4 receptor-mediated inhibition of cyclic adenosine 3, 5 -monophosphate production does not affect prolactin regulation. Endocrinology 735 1871-1878. [Pg.148]

Prolactin regulation of tyrosine hydroxylase in TIDA neurons... [Pg.469]

Hoffmann, T., Penel, C. and Ronin, C., Glycosylation of human prolactin regulates hormone bioactivity and metabolic clearance. J. Endocrinol. Invest., 16, 807-816 (1993). [Pg.458]

Besides behavior and blood pressure, catecholamine neurons also have important roles in other brain functions. Regulation of neuroendocrine function is a well-known action of catecholamines for example, DA agonists reduce semm prolactin concentration, especially in conditions of hypersecretion. Ingestive behavior can be modulated by brain catecholamines, and some appetite-suppressing dmgs are beheved to act via catecholaminergic influences. Catecholamines also participate in regulation of body temperature. [Pg.360]

The prolactin receptor, PER, which regulates milk production in mammals, belongs to the same receptor class as the growth hormone receptor. In addition to binding the hormone prolactin, PER also binds and is activated by growth hormone. The extracellular domain of PER forms a very stable 1 1 complex with growth hormone in solution this complex has been crystallized and its structure determined (Figure 13.21). We shall compare this structure with the 1 2 complex of the same hormone with GHR. [Pg.269]

Prolactin is an essential hormone for normal production of breast milk following childbirth. It also plays a pivotal role in a variety of reproductive functions. Prolactin is regulated primarily by the hypothalamus-pituitary axis and secreted solely by the lactotroph cells of the anterior pituitary gland. Under normal conditions, secretion of prolactin is predominantly under inhibitory control by dopamine and acts on the D2 receptors located on the lactotroph cells. Increase of hypothalamic thyrotropin-releasing hormone (TRH) in primary hypothyroidism can stimulate the release of prolactin. [Pg.714]

The DA receptor regulating prolactin release in the pituitary is of the D2 " type [50]. This view is substantiated by the studies of Carlsson and coworkers, who reported that prolactin release response is different in male and female rats given partial DA agonists of different intrinsic efficacy [13]. In these studies, endogenous DA was depleated and prolactin levels were... [Pg.190]

Hippocampus Region primarily concerned with learning and short-term memory. Hypothalamus Part of the diencephalon comprising several nuclei where hormones such as oxytocin and antidiuretic hormone are S5mthesized and pass to the pituitary gland. Involved in the regulation of the peripheral autonomic system and pituitary hormones such as prolactin, growth hormone and adrenocorticotrophic hormone. [Pg.3]

The intermediate length systems include the tuberoinfundibular system, which projects from the arcuate and periventricular nuclei into the intermediate lobe of the pituitary and the median eminence. This system is responsible for the regulation of such hormones as prolactin. The inter hypothalamic neurons send projections to the dorsal and posterior hypothalamus, the lateral septal nuclei and the medullary periventricular group, which are linked to the dorsal motor nucleus of the vagus such projections may play a role in the effects of dopamine on the autonomic nervous system. [Pg.68]

Anterior part produces its own hormones in response to hypothalamic releasing hormones, e.g., adrenocorticotropic hormone ACTH, luteinizing hormone LH, follicle-stimulating hormone FSH, prolactin, growth hormone, thyroid-stimulating hormone TSH Thyroid Regulation of metabolism, development, and maturation... [Pg.189]

Somatostatin inhibits secretion of growth hormone and other hormones such as prolactin from the anterior pituitary and is widely distributed in the brain in interneurons and projection pathways. All parts of the cortex contain local circuit somatostatin positive neurons, concentrated in layers V and VI, as does the amygdala and striatum. The nucleus accumbens and adjacent ventral putamen and caudate—designated limbic striatum—have particularly high concentrations of fibres. By contrast, TRH which regulates release of thyroid stimulating hormone and prolactin by the pituitary is generally confined to nuclei in and around the hypothalamus. [Pg.19]


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