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1.
Heliyon ; 9(6): e17527, 2023 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-37416674

RESUMO

The transcription factor Interferon regulatory factor 8 (IRF8) is involved in maintaining B cell identity. However, how IRF8 regulates T cell independent B cell responses are not fully characterized. Here, an in vivo CRISPR/Cas9 system was optimized to generate Irf8-deficient murine B cells and used to determine the role of IRF8 in B cells responding to LPS stimulation. Irf8-deficient B cells more readily formed CD138+ plasmablasts in response to LPS with the principal dysregulation occurring at the activated B cell stage. Transcriptional profiling revealed an upregulation of plasma cell associated genes prematurely in activated B cells and a failure to repress the gene expression programs of IRF1 and IRF7 in Irf8-deficient cells. These data expand on the known roles of IRF8 in regulating B cell identity by preventing premature plasma cell formation and highlight how IRF8 helps evolve TLR responses away from the initial activation towards those driving humoral immunity.

2.
Hum Vaccin Immunother ; 15(7-8): 1666-1671, 2019.
Artigo em Inglês | MEDLINE | ID: mdl-30994388

RESUMO

An exploratory pilot descriptive research study was conducted in the rural counties of Hendry and Glades Florida exploring parental knowledge and hesitancy of HPV vaccination. Participants included parents/caregivers with children ages 9 to 13; using quantitative methods, we evaluated knowledge, feelings, and beliefs toward HPV vaccination including vaccination prevalence and correlates among participating parents/caregivers. Our measures included the Parental HPV Survey with a Cronbach's alpha of .96. Hesitancy-focused results revealed 26% of parents showed caution because of stigma around vaccination while attributing low levels of knowledge about HPV vaccination; 80% had a persistent belief HPV vaccination could leave their child sterile, perpetuating hesitancy. Participants with a high-school education or less (64%) and conservative religious affiliation, e.g., Baptist and Catholic (74%), did not decline HPV vaccination. Results are striking considering research indicating conservative religious views and lack of a college education leads to lower HPV vaccination rates. Numerous interventions to increase HPV vaccination have been studied including strong recommendations for increased provider communication but our data indicates increasing public education with community input and a focus on cultural norms in each specific rural community among parents and providers is needed to increase HPV vaccine knowledge and decrease HPV vaccine hesitancy.


Assuntos
Conhecimentos, Atitudes e Prática em Saúde , Vacinas contra Papillomavirus , Pais/educação , População Rural , Vacinação/psicologia , Adolescente , Criança , Comunicação , Feminino , Florida , Humanos , Masculino , Infecções por Papillomavirus/prevenção & controle , Aceitação pelo Paciente de Cuidados de Saúde/estatística & dados numéricos , Pesquisa Qualitativa , Inquéritos e Questionários , Vacinação/estatística & dados numéricos , Recusa de Vacinação
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