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Cetyltrimethylammonium Chloride (CTAC) and Its Formulated Mouthwash Reduce the Infectivity of Streptococcus mutans and Candida albicans in Mono and Dual State.
Appl Biochem Biotechnol
December 2024
Department of Biotechnology, Science Campus, Alagappa University, Karaikudi, India.
Early childhood caries (ECC), a severe form of dental caries, is exacerbated by the synergistic interaction between Streptococcus mutans and Candida albicans, leading to greater disease severity than their individual effects. This underscores the need for more targeted and potent therapeutic alternatives. Given the promising anti-infective properties of quaternary ammonium surfactants (QAS), this study explores the microbicidal properties of one such QAS, cetyltrimethylammonium chloride (CTAC), against both individual- and dual-species cultures of S.
View Article and Find Full Text PDFAssociation of PD-L1 positivity with Epstein Barr virus infection and microsatellite instability in gastric carcinomas with lymphoid stroma.
Sci Rep
December 2024
Department of Internal Medicine, Jeju National University Hospital, Jeju-si, South Korea.
Gastric carcinoma with lymphoid stroma (GCLS) is characterized by dense intra-and peritumoral lymphocytic infiltration and a high rate of Epstein Barr Virus (EBV) infection, suggesting being a promising candidate for immunotherapy. We investigated correlations between PD-L1 expression and clinicopathologic factors, including EBV positivity and microsatellite instability (MSI) status in GCLSs. The study included resected 214 GCLSs and 300 gastric adenocarcinomas (GACs) for control.
View Article and Find Full Text PDFPeriodic mesoporous organicsilica-loaded mincle agonists enhance the immunogenicity of COVID-19 subunit vaccines by dual activation of B cells and dendritic cells.
Acta Biomater
December 2024
National Engineering Laboratory for AIDS Vaccine, School of Life Sciences, Jilin University, Changchun 130012, China; Key Laboratory for Molecular Enzymology and Engineering, the Ministry of Education, School of Life Sciences, Jilin University, Changchun 130012, China. Electronic address:
Effective vaccination is crucial for intervening in the COVID-19 pandemic. However, with the continuous mutation of the SARS-CoV-2, existing vaccines including subunit vaccines cannot effectively prevent virus infections. Hence, there is an urgent need to enhance the immunogenicity of existing vaccines to induce a more potent and durable immune response.
View Article and Find Full Text PDFThe Role of Dual Mutations G347E and E349D of the Pigeon Paramyxovirus Type 1 Hemagglutinin-Neuraminidase Protein In Vitro and In Vivo.
Vet Sci
November 2024
Animal Infectious Disease Laboratory, College of Veterinary Medicine, Yangzhou University, Yangzhou 225012, China.
Pigeon Newcastle disease (ND) is the most common viral infectious disease in the pigeon industry, caused by pigeon paramyxovirus type 1 (PPMV-1), a variant of chicken-origin Newcastle disease virus (NDV). Previous studies have identified significant amino acid differences between PPMV-1 and chicken-origin NDV at positions 347 and 349 in the hemagglutinin-neuraminidase (HN) protein, with PPMV-1 predominantly exhibiting glycine (G) at position 347 and glutamic acid (E) at position 349, while most chicken-origin NDVs show E at position 347 and aspartic acid (D) at position 349. However, the impact of these amino acid substitutions remains unclear.
View Article and Find Full Text PDFDiagnosis and Management of Kaposi Sarcoma-Associated Herpesvirus Inflammatory Cytokine Syndrome in Resource-Constrained Settings: A Case Report and an Adapted Case Definition.
Trop Med Infect Dis
December 2024
Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA.
Kaposi sarcoma-associated herpes virus (KSHV), also known as human herpes virus 8 (HHV-8), is the primary etiologic cause of Kaposi sarcoma (KS) and KSHV Inflammatory Cytokine Syndrome (KICS). Patients with KICS demonstrate symptoms of systemic inflammation, high KSHV viral load, elevation of inflammatory markers, and increased mortality. Management requires rapid diagnosis, treatment of underlying HIV, direct treatment of KS, and addressing the hyperimmune response.
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