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Bv - Europe PMC

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Last Updated: 28 August 2022

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D-beta-hydroxybutyrate exhibits protective effects against microglia activation in lipopolysaccharide-treated mice and BV-2 cells

In lipopolysaccharide-treated mice and BV-2 cells, the protective effects of D-beta-hydroxybutyrate against microglia activation were investigated. With attenuation of cell morphological changes in the hippocampus, BHB treatments reduced behavioral abnormalities of LPS-treated mice and reduced the number of IBA-1-positive cells with attenuation of cell morphological changes in the hippocampus. In addition, BHB inhibitor-based inhibition of cellular changes in LPS-stimulated BV-2 cells inhibited IL-6 and TNF-u03b1 generations, promoted BDNF and TGF-u03b1 generations, and decreased the level of reactive oxygen species with attenuation of cell changes in LPS-stimulated BV-2 cells. BHB has protective effects against microglia activation in LPS-treated mice and BV-2 cells, antagonizing neuro-inflammation.

Source link: https://europepmc.org/article/PPR/PPR533032


BV associated bacteria specifically BVAB 1 and BVAB 3 as biomarkers for HPV risk and progression of cervical neoplasia.

This article looked at the relationship between BV-associated bacteria in women co-infected with Human immunodeficiency virus and hrHPV. In R Statistical computing software of the R Core Team, 2020, version 3. 6. 3, analysis of BV bacteria detected against HPV infection, sociodemographic, and HIV data was carried out. HPV genotypes/groups, gravida 2, A. vaginae, and BVAB1 were all highly associated with HPV persistence. Conclusion A. vain, BVAB 1, BVAB 1, BVAB 3, S. sanguinegens, and Lactobacillus spp have a strong correlation with common hrHPV. A increased risk of increasing CIN severity was present in BVAB 1, BVAB 3, and S. sanguinegens. HPV genotypes/groups were strongly associated with HPV persistence, A vaginae, BVAB 1, gravida, and all the HPV genotypes/groups were consistently linked with HPV genotypes/groups. At 1 year review, only BVAB 3 and HPV 16 were highly associated with hrHPV reinfection. Both BVAB 1 and BVAB 3 are potential biomarkers for HPV infection and CIN progression.

Source link: https://europepmc.org/article/MED/35996693


Enhancing systemic resistance in faba bean ( Vicia faba L.) to Bean yellow mosaic virus via soil application and foliar spray of nitrogen-fixing Rhizobium leguminosarum bv. viciae strain 33504-Alex1.

To induce faba bean plants' resistance against Bean yellow mosaic virus infection, a soil inoculum or a foliar application was tested as a soil inoculum or a foliar application. BYMV treatment was completely stopped for 19 polyphenolic compounds found in faba bean leaves by high-performance liquid chromatography analysis, gallic and vanillic acids. Consequently, the ability of R. leguminosarum bv has increased. The incorporation of 33504-Alex1 as a fertilizer and biocontrol agent will drive plant growth and promote systemic resistance to BYMV infection, as well as environmental protection in agricultural production, as a new roadmap for crop protection, sustainability, and environmental safety.

Source link: https://europepmc.org/article/MED/35982695


Diterpenoids from the whole plant of Euphorbia wallichii and their protective effects on H 2 O 2 -induced BV-2 microglial cells injury.

Thirteen undescribed diterpenoids, including an ent-isopimarane, ten ent-atisanes, two ingenanes, and ten identified compounds, were isolated from the E. wallichii's entire plant. An ent-16-U2011norisopimarane diterpenoid with a C-8-O-C-15 lactone fragment has been elucidated as an ent-16norisopimarane type diterpenoid. Thanks to the NRF2/HO-1 signaling pathway, And a And representative compound 1 could shield BV-2 cells from oxidative damage.

Source link: https://europepmc.org/article/MED/35921787


Naegleria fowleri Cathepsin B Induces a Pro-Inflammatory Immune Response in BV-2 Microglial Cells via NF-κB and AP-1 Dependent-MAPK Signaling Pathway.

Naegleria fowleri, a common protozoa parasite that can cause primary amoebic meningoencephalitis, a fatal brain disease in humans, is a common protozoa parasite. Bs of N. fowleri are multifamily enzymes. Although PAM's pathogenic mechanism has yet to be identified, NfCBs have been suggested as pathogenic factors responsible for amoeba's pathogenicity. In this research, the immune response of BV-2 microglial cells stimulated by NfCB was investigated. rNfCB's phosphatalysis and nuclear translocation of p65 in cells was also enhanced by rNfCB. These results show that NfCB may promote a pro-inflammatory immune response in BV-2 microglial cells via the NF-u03baB- and AP-1-dependent MAPK signaling pathways. Such a NfCB-infected microglial cells may play a role in amoeba's pathogenesis by exacerbating deleterious immune responses and tissue damage in N. fowleri -infected foci of the brain.

Source link: https://europepmc.org/article/MED/35955520

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions