scholarly journals Effects of different routes of nicotine administration on gastric morphology and hormonal secretion in rats

2015 ◽  
Vol 100 (8) ◽  
pp. 881-895 ◽  
Author(s):  
Soad Shaker Ali ◽  
Enas Ahmed Hamed ◽  
Nasra Naeim Ayuob ◽  
Ahmed Shaker Ali ◽  
Mansour Ibrahem Suliman
Keyword(s):  
Hormonal Secretion ◽  
Nicotine Administration

DIE ZUSAMMENSETZUNG DER JODHALTIGEN VERBINDUNGEN UND IHRE BEZIEHUNG ZUM JODUMSATZ IN EUTHYREOTEN STRUMEN

1962 ◽  
Vol 41 (4) ◽  
pp. 584-594 ◽  
Author(s):  
Dankwart Reinwein ◽  
Erich Klein
Keyword(s):  
Column Chromatography ◽  
Iodine Content ◽  
High Plasma ◽  
Secretion Rate ◽  
Total Iodine ◽  
Iodine Compound ◽  
Hormonal Secretion ◽  
Carrier Free ◽  
Iodine Metabolism ◽  
Diffuse Goiter

ABSTRACT The iodine metabolism was investigated in 29 patients with euthyroid non-endemic diffuse goiter. 1 to 14 days before thyroidectomy the patients received carrier-free 131I. The chemical iodine fractions (PBI, BEI and iodide) of the thyroid and the labelled iodine compound were analyzed by means of paper- and column chromatography. In one gland the total iodine content varied only by ± 19.6% of the average, the relative shares of PBI, BEI and iodide as well as that of the iodoamino acids being equal. Monoiodotyrosine, diiodotyrosine and thyroxine were found in the thyroid homogenate without hydrolysis. The homogenate after hydrolysis contained more iodotyrosines at the expense of iodothyronines than do normal glands. 17 goiters with normal 131I-uptake showed a high total iodine content (14.2 ± 5.0 mg) whilst 9 goiters with an increased 131I-uptake had low values (3.58 ± 0.6 mg). The opposite was found for the relative shares of BEI with the chromatographically isolated iodothyronines thyroxine, triiodothyronine and an unidentified iodine compound. Goiters with »high plasma PB131I« were characterized by a faster transfer of 131I into the more heavily iodinated compounds than is found in glands with a normal hormonal secretion rate. The highest values for the iodothyronines were found in goiters with increased 131I-uptake together with a high hormonal secretion rate. From this study it appears that the changes in the iodine-poor glands are due to a defective exo- or endogenous iodine supply. The observed alterations in iodine-rich glands are probably induced by a faulty iodine utilization characterized by an incomplete iodotyrosyl-coupling defect.

Hormonal secretion prevalence in a series of subjects with adrenal tumors incidentally discovered in clinical practice

2018 ◽  
Author(s):  
Carmen Gabriela Barbu ◽  
Adrian Teodor Pienary ◽  
Alice Albu ◽  
Sorina Martin ◽  
Anca Sirbu ◽  
...  
Keyword(s):  
Clinical Practice ◽  
Adrenal Tumors ◽  
Hormonal Secretion

Enriched Environments for Rodents and their Interaction with Nicotine Administration

2014 ◽  
Vol 6 (3) ◽  
pp. 191-200 ◽  
Author(s):  
Patricia Mesa-Gresa ◽  
Marta Ramos-Campos ◽  
Rosa Redolat
Keyword(s):  
Nicotine Administration ◽  
Enriched Environments

Ca2+ channel components and hormonal secretion in clonal GH3 cells

1988 ◽  
Vol 7 ◽  
pp. S10
Author(s):  
Nobuyuki Suzuki
Keyword(s):  
Gh3 Cells ◽  
Hormonal Secretion

scholarly journals Lack of effect of chronic nicotine administration on fatty acid distribution in the liver, testis, and adipose tissue of male Fischer-344 rats

1973 ◽  
Vol 14 (6) ◽  
pp. 688-691
Author(s):  
R.G. Brindis ◽  
B.J. Petersen ◽  
J.H. Thompson ◽  
R.B. Alfin-Slater
Keyword(s):  
Adipose Tissue ◽  
Fatty Acid ◽  
Fatty Acid Distribution ◽  
Fischer 344 Rats ◽  
Chronic Nicotine ◽  
Fischer 344 ◽  
Nicotine Administration

Nicotine administration to rats: Methodological considerations

Life Sciences ◽  
1987 ◽  
Vol 40 (17) ◽  
pp. 1699-1708 ◽  
Author(s):  
L.Charles Murrin ◽  
James R. Ferrer ◽  
Zeng Wanyun ◽  
Nancy J. Haley
Keyword(s):  
Nicotine Administration ◽  
Methodological Considerations

Melatonin reverses urinary system and aorta damage in the rat due to chronic nicotine administration

2004 ◽  
Vol 56 (3) ◽  
pp. 359-366 ◽  
Author(s):  
Göksel Sener ◽  
Caner Kapucu ◽  
Kübra Paskaloglu ◽  
Gül Ayanoglu-Dülger ◽  
Serap Arbak ◽  
...  
Keyword(s):  
Urinary System ◽  
Chronic Nicotine ◽  
Nicotine Administration

scholarly journals Expression and function of ErbB receptors and ligands in the pituitary

2011 ◽  
Vol 18 (6) ◽  
pp. R197-R211 ◽  
Author(s):  
Odelia Cooper ◽  
George Vlotides ◽  
Hidenori Fukuoka ◽  
Mark I Greene ◽  
Shlomo Melmed
Keyword(s):  
Anterior Pituitary ◽  
Kinase Inhibitors ◽  
Erbb Receptors ◽  
Receptor Ligands ◽  
Paracrine Effects ◽  
Tumor Subtypes ◽  
Hormonal Secretion ◽  
Gene And Protein Expression ◽  
Erbb2 Receptor ◽  
And Function

The role of ErbB family in discreet pituitary functions is reviewed. Several ErbB receptor ligands, EGF, TGFα, and heregulin are differentially expressed in normal gonadotroph and lacto-somatotroph lineages, and other elements of the anterior pituitary. ErbB receptors, i.e. EGFR and ErbB2, are also localized to the anterior pituitary with preferential EGFR lactosomatotroph expression. EGF regulates CRH and ACTH secretion and corticotroph proliferation as well as exhibiting autocrine and paracrine effects on gonadotrophs and on lactosomatotroph proliferation, gene and protein expression, and hormonal secretion. EGF and EGFR are expressed in both functioning and non-functioning pituitary adenomas, with higher expression in more aggressive tumor subtypes. ErbB2 receptor is detected in all tumor subtypes, particularly in invasive tumors. ErbB tyrosine kinase inhibitors regulate hormonal secretion, cell morphology, and proliferation in lacto-somatotroph tumors, reflecting the emerging application of targeted pituitary therapeutics.

Effects of acute abstinence and nicotine administration on taste perception in cigarette smokers

2009 ◽  
Vol 24 (11) ◽  
pp. 1709-1715 ◽  
Author(s):  
EL Mullings ◽  
LF Donaldson ◽  
JK Melichar ◽  
MR Munafò
Keyword(s):  
Taste Perception ◽  
Cigarette Smokers ◽  
Nicotine Administration

Nicotine administration enhances NPY expression in the rat hypothalamus

2000 ◽  
Vol 867 (1-2) ◽  
pp. 157-164 ◽  
Author(s):  
Ming D Li ◽  
Justin K Kane ◽  
Steven L Parker ◽  
Kathy McAllen ◽  
Shannon G Matta ◽  
...  
Keyword(s):  
Rat Hypothalamus ◽  
Nicotine Administration
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