Triiodothyronine in rat submaxillary salivary gland: effects of altered adrenergic function. 1977

M B Dratman, and F L Crutchfield, and J Axelrod, and R D Utiger, and E Marsh

To determine whether changes in adrenergic nerve terminal activity may influence tissue metabolism of iodothyronines, sympathetic nervous function of the rat submaxillary salivary gland was altered, and effects on salivary gland triiodothyronine (T3) uptake and retention measured. Following unilateral superior cervical ganglionectomy, denervated salivary gland contained 24% less (p less than 0.02) radioimmunoassayable T3/mg and took up 20% less (p less than 0.001) intravenously administered 125I-T3/mg than the contralateral innervated gland. Effects were similar at 7, 14 and 56 days following ganglionectomy and could not be accounted for by post-denervation changes in the delivery of the isotope, in total salivary gland water, in vascular volume or in extracellular or intracellular fluid spaces. When reserpine was administered to unilaterally ganglionectomized animals, uptake of 125I-T3/mg in the innvervated gland was reduced by 10% (p less than 0.005), relative to the denervated gland. The results suggest that loss or diminution of peripheral adrenergic nerve terminal activity reduces tissue uptake and retention of T3.

UI MeSH Term Description Entries
D007275 Injections, Intravenous Injections made into a vein for therapeutic or experimental purposes. Intravenous Injections,Injection, Intravenous,Intravenous Injection
D008297 Male Males
D011863 Radioimmunoassay Classic quantitative assay for detection of antigen-antibody reactions using a radioactively labeled substance (radioligand) either directly or indirectly to measure the binding of the unlabeled substance to a specific antibody or other receptor system. Non-immunogenic substances (e.g., haptens) can be measured if coupled to larger carrier proteins (e.g., bovine gamma-globulin or human serum albumin) capable of inducing antibody formation. Radioimmunoassays
D012110 Reserpine An alkaloid found in the roots of Rauwolfia serpentina and R. vomitoria. Reserpine inhibits the uptake of norepinephrine into storage vesicles resulting in depletion of catecholamines and serotonin from central and peripheral axon terminals. It has been used as an antihypertensive and an antipsychotic as well as a research tool, but its adverse effects limit its clinical use. Raunervil,Raupasil,Rausedil,Rausedyl,Serpasil,Serpivite,V-Serp,V Serp
D003714 Denervation The resection or removal of the nerve to an organ or part. Laser Neurectomy,Neurectomy,Peripheral Neurectomy,Radiofrequency Neurotomy,Denervations,Laser Neurectomies,Neurectomies,Neurectomies, Laser,Neurectomies, Peripheral,Neurectomy, Laser,Neurectomy, Peripheral,Neurotomies, Radiofrequency,Neurotomy, Radiofrequency,Peripheral Neurectomies,Radiofrequency Neurotomies
D005724 Ganglia Clusters of multipolar neurons surrounded by a capsule of loosely organized CONNECTIVE TISSUE located outside the CENTRAL NERVOUS SYSTEM.
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D012469 Salivary Glands Glands that secrete SALIVA in the MOUTH. There are three pairs of salivary glands (PAROTID GLAND; SUBLINGUAL GLAND; SUBMANDIBULAR GLAND). Gland, Salivary,Glands, Salivary,Salivary Gland
D013564 Sympathetic Nervous System The thoracolumbar division of the autonomic nervous system. Sympathetic preganglionic fibers originate in neurons of the intermediolateral column of the spinal cord and project to the paravertebral and prevertebral ganglia, which in turn project to target organs. The sympathetic nervous system mediates the body's response to stressful situations, i.e., the fight or flight reactions. It often acts reciprocally to the parasympathetic system. Nervous System, Sympathetic,Nervous Systems, Sympathetic,Sympathetic Nervous Systems,System, Sympathetic Nervous,Systems, Sympathetic Nervous
D013997 Time Factors Elements of limited time intervals, contributing to particular results or situations. Time Series,Factor, Time,Time Factor

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