Your browser doesn't support javascript.
loading
Mostrar: 20 | 50 | 100
Resultados 1 - 3 de 3
Filtrar
Mais filtros










Base de dados
Intervalo de ano de publicação
1.
Hypertens Pregnancy ; 40(4): 271-278, 2021 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-34697972

RESUMO

Objective: To assess the effectiveness of interactive education tools for hypertension in pregnancy.Two interactive education tools were introduced.Methods: Pregnant women with hypertension completed questionnaires before (Pre-I) and after)Post-I) the intervention.Providers rated satisfaction and effectiveness of the education methods.Results: The Post-I group (N=45) showed slight improvement on both Perceived (4.5±0.7) and Actual knowledge (2.2 ± 1.0) compared to the Pre-I group (N=45; Perceived: 4.2±1.0; Actual: 1.7±1.3; p<.05) .Providers reported higher satisfaction after the intervention (2.6±1.1 vs 4.1±0.7; p <.001).iscussion: The intervention increased patients' knowledge and providers rating of patient knowledge, and decreased the time needed for patient education.


Assuntos
Conhecimentos, Atitudes e Prática em Saúde , Hipertensão Induzida pela Gravidez , Hipertensão , Educação de Pacientes como Assunto , Melhoria de Qualidade , Adulto , Feminino , Letramento em Saúde , Humanos , Hipertensão/terapia , Anamnese , Gravidez , Gestantes , Inquéritos e Questionários
2.
Retrovirology ; 18(1): 9, 2021 04 09.
Artigo em Inglês | MEDLINE | ID: mdl-33836787

RESUMO

BACKGROUND: Maturation inhibitors (MIs) potently block HIV-1 maturation by inhibiting the cleavage of the capsid protein and spacer peptide 1 (CA-SP1). Bevirimat (BVM), a highly efficacious first-in-class MI against HIV-1 subtype B isolates, elicited sub-optimal efficacy in clinical trials due to polymorphisms in the CA-SP1 region of the Gag protein (SP1:V7A). HIV-1 subtype C inherently contains this polymorphism thus conferring BVM resistance, however it displayed sensitivity to second generation BVM analogs. RESULTS: In this study, we have assessed the efficacy of three novel second-generation MIs (BVM analogs: CV-8611, CV-8612, CV-8613) against HIV-1 subtype B and C isolates. The BVM analogs were potent inhibitors of both HIV-1 subtype B (NL4-3) and subtype C (K3016) viruses. Serial passaging of the subtype C, K3016 virus strain in the presence of BVM analogs led to identification of two mutant viruses-Gag SP1:A1V and CA:I201V. While the SP1:A1V mutant was resistant to the MIs, the CA:I120V mutant displayed partial resistance and a MI-dependent phenotype. Further analysis of the activity of the BVM analogs against two additional HIV-1 subtype C strains, IndieC1 and ZM247 revealed that they had reduced sensitivity as compared to K3016. Sequence analysis of the three viruses identified two polymorphisms at SP1 residues 9 and 10 (K3016: N9, G10; IndieC1/ZM247: S9, T10). The N9S and S9N mutants had no change in MI-sensitivity. On the other hand, replacing glycine at residue 10 with threonine in K3016 reduced its MI sensitivity whereas introducing glycine at SP1 10 in place of threonine in IndieC1 and ZM247 significantly enhanced their MI sensitivity. Thus, the specific glycine residue 10 of SP1 in the HIV-1 subtype C viruses determined sensitivity towards BVM analogs. CONCLUSIONS: We have identified an association of a specific glycine at position 10 of Gag-SP1 with an MI susceptible phenotype of HIV-1 subtype C viruses. Our findings have highlighted that HIV-1 subtype C viruses, which were inherently resistant to BVM, may also be similarly predisposed to exhibit a significant degree of resistance to second-generation BVM analogs. Our work has strongly suggested that genetic differences between HIV-1 subtypes may produce variable MI sensitivity that needs to be considered in the development of novel, potent, broadly-active MIs.


Assuntos
Fármacos Anti-HIV/farmacologia , Regulação Viral da Expressão Gênica/genética , HIV-1/efeitos dos fármacos , HIV-1/genética , Polimorfismo Genético/efeitos dos fármacos , Fator de Transcrição Sp1/antagonistas & inibidores , Produtos do Gene gag do Vírus da Imunodeficiência Humana/genética , Linhagem Celular , Farmacorresistência Viral/genética , Células HEK293 , Humanos , Fator de Transcrição Sp1/genética , Succinatos/farmacologia , Triterpenos/farmacologia , Montagem de Vírus/efeitos dos fármacos , Replicação Viral/efeitos dos fármacos
SELEÇÃO DE REFERÊNCIAS
DETALHE DA PESQUISA
...