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1.
World J Virol ; 12(2): 109-121, 2023 Mar 25.
Artigo em Inglês | MEDLINE | ID: mdl-37033147

RESUMO

There have been numerous concerns about the disease and how it affects the human body since the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) pandemic began in December 2019. The impact of SARS-CoV-2 on the liver is being carefully investigated due to an increase in individuals with hepatitis and other liver illnesses, such as alcoholic liver disease. Additionally, the liver is involved in the metabolism of numerous drugs used to treat comorbidities and coronavirus disease 2019 (COVID-19). Determining how SARS-CoV-2 affects the liver and what factors place individuals with COVID-19 at a higher risk of developing liver problems are the two main objectives of this study. This evaluation of the literature included research from three major scientific databases. To provide an update on the current impact of COVID-19 on the liver, data was collected and relevant information was incorporated into the review. With more knowledge about the effect of the disease on the liver, better management and therapeutics can be developed, and education can ultimately save lives and reduce the long-term impact of the pandemic on our population.

2.
PLOS Glob Public Health ; 3(2): e0000904, 2023.
Artigo em Inglês | MEDLINE | ID: mdl-36962812

RESUMO

Intermittent preventive therapy during pregnancy with Sulphadoxine Pyrimethamine (IPTp-SP) is one of the potent strategies for preventing malaria in pregnancy (MiP). Factors such as the pregnant woman's knowledge and very importantly perception or belief about IPTp-SP remains key determinant of IPTp-SP uptake. This study assessed the knowledge and perception of nursing mothers and their uptake of IPTp-SP during pregnancy in the Ho Teaching Hospital. We administered a close-ended questionnaire to 303 nursing mothers and obtained their sociodemographic details as well as information on their knowledge and perception of IPTp-SP utilization. We also reviewed the nursing mothers' antenatal care (ANC) booklets to ascertain the number of times IPTp-SP was taken during pregnancy. Pearson chi-square was used to determine the association between the sociodemographic variable and the categories of knowledge, perception, and uptake of IPTp-SP. Analysis, was done using SPSS, and the p-value of less than 5% was considered statistically significant. Of the 303 nursing mothers sampled in this study, 265(87.5%) had heard about IPTp-SP of which 138(52.1%) had average knowledge of IPTp-SP. A total of 168(63.4%) had poor perception, and 168(64.6%) had adequate uptake (3-4 doses) of IPTp. Education was significantly associated with perception and uptake, with the majority of women who demonstrated excellent perception were those who had tertiary education (7, 6.35%, p = 0.05), and the majority who demonstrated excellent uptake (5 completed doses) were women who had tertiary education (47, 37.9%, p = 0.01). While knowledge was average, perception of IPTp-SP was poor for the majority of the nursing mothers which might have hampered their uptake of IPTp-SP during pregnancy. It is important that continuous assessment of the individual factors affecting the uptake of IPTp-SP be done regularly to curb the negative influences on the uptake of IPTp-SP.

3.
Infect Immun ; 80(11): 3842-9, 2012 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-22907815

RESUMO

Infection with Mycoplasma genitalium has been associated with male and female urogenital disease syndromes, including urethritis, cervicitis, pelvic inflammatory disease (PID), and tubal factor infertility. Basic investigations of mucosal cytotoxicity, microbial persistence, and host immune responses are imperative to understanding these inflammatory urogenital syndromes, particularly in females, considering the potential severity of upper tract infections. Here, we report that M. genitalium can establish long-term infection of human endocervical epithelial cells that results in chronic inflammatory cytokine secretion and increased responsiveness to secondary Toll-like receptor (TLR) stimulation. Using a novel quantitative PCR assay, M. genitalium was shown to replicate from 0 to 80 days postinoculation (p.i.), during which at most time points the median ratio of M. genitalium organisms to host cells was ≤10, indicating that low organism burdens are capable of eliciting chronic inflammation in endocervical epithelial cells. This observation is consistent with clinical findings in women. Persistently secreted cytokines predominately consisted of potent chemotactic and/or activating factors for phagocytes, including interleukin-8 (IL-8), monocyte chemotactic protein 1 (MCP-1), and macrophage inflammatory protein 1ß (MIP-1ß). Despite persistent cytokine elaboration, no host cell cytotoxicity was observed except with superphysiologic loads of M. genitalium, suggesting that persistent infection occurs with minimal direct damage to the epithelium. However, it is hypothesized that chronic chemokine secretion with leukocyte trafficking to the epithelium could lead to significant inflammatory sequelae. Therefore, persistent M. genitalium infection could have important consequences for acquisition and/or pathogenesis of other sexually transmitted infections (STIs) and perhaps explain the positive associations between this organism and human immunodeficiency virus (HIV) shedding.


Assuntos
Colo do Útero/imunologia , Citocinas/metabolismo , Infecções por Mycoplasma/imunologia , Mycoplasma genitalium , Doença Inflamatória Pélvica/imunologia , Cervicite Uterina/imunologia , Análise de Variância , Células Cultivadas , Células Epiteliais/imunologia , Feminino , Humanos , Doença Inflamatória Pélvica/microbiologia , Reação em Cadeia da Polimerase em Tempo Real
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