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1.
Arq. bras. endocrinol. metab ; 48(3): 406-413, jun. 2004. ilus, tab
Article in Portuguese | LILACS | ID: lil-365164

ABSTRACT

Além de influenciar o crescimento corpóreo, o hormônio do crescimento, ou somatotrófico, desempenha importante papel no metabolismo, composição corporal, perfil lipídico, estado cardiovascular e longevidade. Seu controle é multi-regulado por hormônios, metabólitos e peptídeos hipotalâmicos. Dados sobre a Deficiência Isolada de GH (DIGH) obtidos a partir da descrição da mutação IVS1+1G®A no gene do receptor do hormônio liberador do GH (GHRH-R) em indivíduos da cidade de Itabaianinha, SE, são revisados. São abordadas novas perspectivas sobre o modelo de resistência ao GHRH, a importância do GHRH no controle da secreção de GH, a freqüência das mutações do gene do GHRH-R, a relevância diagnóstica do IGF-I e os achados metabólicos, cardiovasculares e de qualidade de vida nestes indivíduos.


Subject(s)
Adolescent , Adult , Child , Humans , Middle Aged , Growth Hormone/deficiency , Receptors, Neuropeptide/genetics , Receptors, Pituitary Hormone-Regulating Hormone/genetics , Brazil , Growth Hormone-Releasing Hormone/physiology , Insulin-Like Growth Factor I/physiology , Mutation
2.
Arq Bras Endocrinol Metabol ; 48(3): 406-13, 2004 Jun.
Article in Portuguese | MEDLINE | ID: mdl-15640904

ABSTRACT

In addition to stimulating body growth, growth or somatotrophic hormone plays an important role in metabolism, body composition, lipid profile, cardiovascular status and longevity. Its control is multiregulated by hormones, metabolites and hypothalamic peptides. Obtained data of the isolated growth hormone deficiency (IGHD) after the description of the IVS1+1G-->A GHRH receptor gene mutation in individuals of Itabaianinha County are reviewed. New perspectives about the growth hormone resistance model, the importance of GHRH in the control of GH secretion, the frequency of GHRH-R gene mutations, the diagnostic relevance of IGF-I and the metabolic, cardiovascular and quality of life findings are approached.


Subject(s)
Growth Hormone/deficiency , Receptors, Neuropeptide/genetics , Receptors, Pituitary Hormone-Regulating Hormone/genetics , Adolescent , Adult , Brazil , Child , Growth Hormone-Releasing Hormone/physiology , Humans , Insulin-Like Growth Factor I/physiology , Middle Aged , Mutation
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