Results: 37

Interações moleculares na adesão celular em suportes sólidos e o efeito de fotossensibilizadores porfirínicos

A adesão celular está ligada à formação e disseminação de metástases, a principal causa de óbito de pacientes diagnosticados com câncer. O objetivo deste trabalho foi investigar in vitro o efeito de fotossensibilizadores na adesão celular. Foram utilizadas porfirinas comerciais (PpIX, CPpI, TS...

Replacement of fetal calf serum by human serum as supplementation for human fibroblast culture

Rev. bras. cir. plást; 26 (3), 2011
INTRODUCTION: Fetal calf serum (FCS) is commonly used as a supplement in the culture medium for fibroblast cells. This supplementation is far from ideal as sample quality varies from batch to batch and the composition of FCS is not completely known. In addition, FCS may be contaminated with viruses and/o...

Role of keratinocytes in wound contraction: an impact assessment using a model of collagen matrix populated with fibroblasts

Rev. bras. cir. plást; 26 (3), 2011
BACKGROUND: The possible participation of keratinocytes in wound remodeling has been widely studied. This study investigated the impact of keratinocytes in wound contraction. METHODS: Murine type I collagen gels populated by human fibroblasts and seeded with human keratinocytes on the surface to form a d...

Optimización de cultivos de hepatocitos humanos para estudios de citotoxicidad

Rev. chil. cir; 59 (2), 2007
Los cultivos de hepatocitos entregan un valioso acercamiento al estudio de las funciones metabólicas específicas del hígado, evaluación de citotoxicidad. No existen líneas humanas inmortales con función normal. La inmortalización de hepatocitos humanos con el método UCHT1(medio de cultivo condici...

Detección de Chlamydia trachomatis en muestras de exudado endocervical por la reacción en cadena de la polimerasa
Detection of Chlamydia trachomatis in samples of endocervical exudate by polymerase chain reaction

Rev. cuba. endocrinol; 13 (2), 2002
Se procesaron 59 muestras de exudado endocervical, de mujeres que asistieron a 2 clínicas de infertilidad y a consulta de regulación menstrual de Ciudad de La Habana, para evaluar el desempeño de un método de detección de Chlamydia trachomatis, basado en la reacción en cadena de la polimerasa (PCR)...

Apoptosis e infección por el virus de la inmunodeficiencia humana (HIV)
[Apoptosis and human immunodeficiency virus infection (HIV]

Medicina (B.Aires); 60 Suppl 2 (), 2000
Generalized activation of the immune system after HIV infection leads to an exacerbation of all apoptotic mechanisms. CD4+, CD8+ T lymphocytes and B lymphocytes are sensitized to apoptotic stimuli. Macrophages are important in the removal of apoptotic cells, they prevent apoptotic cell accumulation durin...