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Bv - DOAJ

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Last Updated: 28 August 2022

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

Bacterial vaginosis is a common disorder in high-risk HPV genotypes. This paper examined the connection between BV-associated bacteria in women co-infected with Human immunodeficiency virus and hrHPV. In R Statistical computing software of the R Core Team, version 3. 6. 3, analysis of BV bacteria detected against HPV infection, socio-demographics, and HIV data was done. HPV genotypes/groups, gravida 2, A. vaginae, and BVAB 1 were all significantly associated with HPV persistence, as well as BVAB 1. A. vaginae, BVAB 1, BVAB 3, S. sanguinegens, and Lactobacillus spp all have a strong link to common hrHPV. An increased risk of increasing CIN severity was present in BVAB 1, BVAB 3 and S. sanguinegens. HPV genotypes/groups were all significantly associated with HPV survival, including A vaginae, BVAB 1, gravida, and all the HPV genotypes/groups. At one year examination, only BVAB 3 and HPV 16 were significantly associated with hrHPV reinfection. Potential biomarkers for HPV infection and CIN progression are BVAB 1 and BVAB 3, respectively.

Source link: https://doi.org/10.1155/2022/9562937


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

paraphrasephalitis, a common brain disease in humans, Naegleria fowleri is a common protozoa parasite that can cause primary amoebic meningoencephalitis, a fatal brain disease. The cathepsin Bs of N. fowleri are multifamily enzymes. While PAM's pathogenic mechanism is not entirely understood, NfCBs have been suggested as pathogenic factors implicating amoeba's pathogenicity. The immune response of BV-2 microglial cells induced by NfCB was investigated in this study. By rNfCB, cell permeability and nuclear translocation of p65 were also enhanced. These results show that NfCB can induce a pro-inflammatory immune response in BV-2 microglial cells through the NF-u03baB- and AP-1-dependent MAPK signaling pathways. In N. fowleri -infected foci of the brain, such a NfCB-infected pro-inflammatory immune response in BV-2 microglial cells could play a role in the pathogenesis of PAM caused by amoeba.

Source link: https://doi.org/10.3390/ijms23158388


Hypericum alpestre extract affects the activity of the key antioxidant enzymes in microglial BV-2 cellular models

H. alpestre extract had high antioxidant activity, which was maintained even after heat treatment at 121 u00b0C for 30 min. The sub-cytotoxic concentration of investigated extracts for both microglial cell lines was 40 g/mL according to the MTT test, which indicated that the sub-cytotoxic concentration of both microglial cell lines was 40 u00b5g/mL. During any period of therapy in both cell lines, there were no significant changes in catalase activity, though SOD activity soared in WT cells during the 48 h course. During the 24-h treatment, an increase in SOD production in Acox-/- cells was seen.

Source link: https://doi.org/10.3934/biophy.2022014


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 confer faba bean plantsu2019 resistance against Bean yellow mosaic virus infection, viciae strain 33504-Alex1, isolated from the root nodules of faba bean plants, was tested as a soil inoculum or foliar application. The application of 33504-Alex1 in either soil or foliar application resulted in a substantial decrease in disease prevalence and severity in the treated faba bean plants, as well as the reduction of BYMV inhibitory in the treated faba bean plants. BYMV treatment was completely stopped out of 19 polyphenolic compounds found in faba bean leaves by high-performance liquid chromatography analysis, gallic and vanillic acids. As a result, the capacity of R. leguminosarum bv. has been diluted.

Source link: https://doi.org/10.3389/fpls.2022.933498

* 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