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Effects of NGF and estrogens on human hair follicle in vitro / 中华整形外科杂志
Chinese Journal of Plastic Surgery ; (6): 48-50, 2004.
Artigo em Chinês | WPRIM | ID: wpr-327326
ABSTRACT
<p><b>OBJECTIVE</b>To observe the effects of NGF, estrogens and minoxidil on the growth of human hair follicle in vitro.</p><p><b>METHODS</b>In a model of human hair follicle in vitro, the follicle was separately treated with the NGF, estrogens and minoxidil. The growth of the hair follicle was measured in length with an eyepiece micrometer. The effects of the NGF, estrogens and minoxidil were evaluated by measuring the rates of incorporation of 3H-TdR of DNA synthesis.</p><p><b>RESULTS</b>The growth of the human hair follicle was showing significantly faster in the 100 ng/ml NGF and 125 micrograms/ml minoxidil groups, compared with the control (P < 0.05), but the growth was significantly inhibited in the 0.5 microgram/ml 17 beta-E2 group (P < 0.05). There was no difference shown for the growth of the hair follicle in the group mixed with 100 ng/ml NGF and 0.5 microgram/ml 17 beta-E2 (P > 0.05). The rates of incorporation of 3H-TdR in the groups were shown that the results just correlated with the results of the above-mentioned method.</p><p><b>CONCLUSIONS</b>The 100 ng/ml NGF and 125 micrograms/ml minoxidil could increase the growth of human hair follicle while the 0.5 microgram/ml 17 beta-E2 could inhibit it. The 100 ng/ml NGF could neutralized the effect of the 0.5 microgram/ml 17 beta-E2.</p>
Assuntos
Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Farmacologia / Vasodilatadores / Técnicas In Vitro / Folículo Piloso / Fator de Crescimento Neural / Biologia Celular / Estrogênios / Minoxidil Tipo de estudo: Estudo prognóstico Limite: Adolescente / Adulto / Humanos Idioma: Chinês Revista: Chinese Journal of Plastic Surgery Ano de publicação: 2004 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Farmacologia / Vasodilatadores / Técnicas In Vitro / Folículo Piloso / Fator de Crescimento Neural / Biologia Celular / Estrogênios / Minoxidil Tipo de estudo: Estudo prognóstico Limite: Adolescente / Adulto / Humanos Idioma: Chinês Revista: Chinese Journal of Plastic Surgery Ano de publicação: 2004 Tipo de documento: Artigo