909 results match your criteria: "Institute of Infectious Diseases and Molecular Medicine[Affiliation]"
Objectives: This study aimed to investigate genotypic characteristics and drug resistance profiles of complex (Mtbc) strains isolated from patients with suspected tuberculosis (TB) in Gabon.
Methods: We performed whole genome sequencing of 430 Mtbc strains cultured between 2012 and 2022. Phylogenetic strain classification, genomic resistance prediction, and cluster analysis were also performed.
Heliyon
January 2025
Masanga Medical Research Unit, Masanga, Sierra Leone.
Objectives: This wound section of the PREvalence Study on Surgical COnditions (PRESSCO) determines the incidence and prevalence of wounds and burns in Sierra Leone. It further describes access to wound care and wound-related healthcare-seeking behaviour.
Methods: Between October 2019 and March 2020, a nationwide cross-sectional household survey was performed.
J Neuroendocrinol
January 2025
Centre for Neuroendocrinology, University of Pretoria, Pretoria, South Africa.
Kisspeptin (KISS1) and its cognate receptor (KISS1R) are implicated in the progression of various cancers. A gallium-68 labelled kisspeptin-10 (KP10), the minimal biologically active structure, has potential as a pan-tumour radiopharmaceutical for the detection of cancers. Furthermore, a lutetium-177 labelled KP10 could find therapeutic application in treating oncological diseases.
View Article and Find Full Text PDFHeliyon
December 2024
School of Chemistry and Physics, University of KwaZulu Natal, Westville Campus, Durban, 4000, South Africa.
[This corrects the article DOI: 10.1016/j.heliyon.
View Article and Find Full Text PDFTrends Microbiol
January 2025
CMM AFRICA Medical Mycology Research Unit, Institute of Infectious Diseases and Molecular Medicine, University of Cape Town, Cape Town, South Africa; Medical Research Centre for Medical Mycology, University of Exeter, Exeter, Department of Biosciences, Faculty of Health and Life Sciences, Exeter, UK.
Fungal infections are a major contributor to mortality for people with HIV/AIDS. Recently, researchers, clinicians, industry experts, and policymakers convened for the triennial AIDS-Related Mycoses Meeting to address critical gaps in the management of AIDS-related mycoses. Delegates highlighted several scientifically driven milestones that have significantly reduced fungal-related deaths, and the need to address outstanding challenges in diagnosis, treatment, and research.
View Article and Find Full Text PDFPLoS One
December 2024
Faculty of Health Sciences, Department of Medicine & CIDRI-Africa, Institute of Infectious Diseases and Molecular Medicine (IDM), University of Cape Town, Cape Town, South Africa.
Background: Cervical cancer is the second most common cancer in women in South Africa. Infection with high-risk types of human papillomavirus (HPV) is the cause of cervical cancer, which can be prevented by HPV vaccination. However, there is wide variation in HPV vaccination coverage among the urban districts of South Africa; with the lowest coverage being 40% in eThekwini, KwaZulu-Natal.
View Article and Find Full Text PDFJ Virol
December 2024
Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA.
Previous studies have shown that the majority of long-lived cells harboring persistent HIV-1 proviral genomes originates from viruses circulating in the year prior to antiretroviral therapy (ART) initiation, but a smaller proportion originates from viruses circulating much earlier in untreated infection. These observations suggest that discrete biological factors influence the entry and persistence of viruses into the persistent proviral pool, and there may be periods earlier in untreated infection with increased seeding. Therefore, we examined the timing of formation of the long-lived pool of infected cells that persists during ART in seven women (after a median of 5.
View Article and Find Full Text PDFVirus Evol
November 2024
Research Laboratory, Botswana Harvard Health Partnership, Gaborone, Private Bag BO 320, Botswana.
Botswana, like the rest of the world, has been significantly impacted by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). In December 2022, we detected a monophyletic cluster of genomes comprising a sublineage of the Omicron variant of concern (VOC) designated as B.1.
View Article and Find Full Text PDFVirus Evol
December 2024
CIRAD, UMR PVBMT, St Pierre, La Réunion F-97410, France.
Now that it has been realized that viruses are ubiquitous, questions have been raised on factors influencing their diversity and distribution. For phytoviruses, understanding the interplay between plant diversity and virus species richness and prevalence remains cardinal. As both the amplification and the dilution of viral species richness due to increasing host diversity have been theorized and observed, a deeper understanding of how plants and viruses interact in natural environments is needed to explore how host availability conditions viral diversity and distributions.
View Article and Find Full Text PDFJ Virol
December 2024
The Biodesign Center for Fundamental and Applied Microbiomics, Center for Evolution and Medicine, School of Life Sciences, Arizona State University, Tempe, Arizona, USA.
Unlabelled: Anellovirus infections are ubiquitous in mammals but lack any clear disease association, suggesting a commensal virus-host relationship. Although anelloviruses have been identified in numerous mammalian hosts, their presence in members of the family Delphinidae has yet to be reported. Here, using a metagenomic approach, we characterize complete anellovirus genomes ( = 69) from four Delphinidae host species: short-finned pilot whale (, = 19), killer whale (, = 9), false killer whale (, = 6), and pantropical spotted dolphin (, = 1).
View Article and Find Full Text PDFFront Reprod Health
November 2024
Centre for Microbiology Research, Kenya Medical Research Institute (KEMRI), Nairobi, Kenya.
Purpose Of Review: Women in Africa bear the burden of the HIV epidemic, which has been associated with the high prevalence of bacterial vaginosis (BV) in the region. However, little progress has been made in finding an effective cure for BV. Drawing on advances in microbiome-directed therapies for gastrointestinal disorders, similar live-biotherapeutic based approaches for BV treatment are being evaluated.
View Article and Find Full Text PDFSex Transm Infect
December 2024
Centre for the Aids Programme of Research in South Africa, Durban, South Africa
Lancet Microbe
December 2024
Amsterdam UMC, Location University of Amsterdam, Center for Tropical Medicine and Travel Medicine, Department of Infectious Diseases, Amsterdam Public Health - Global Health, and Amsterdam Institute for Immunology and Infectious Diseases, Amsterdam, Netherlands. Electronic address:
Int J Mol Sci
October 2024
Centre for Epidemic Response and Innovation (CERI), Stellenbosch University, Stellenbosch 7600, South Africa.
Chronic Hepatitis B Virus (HBV) infection remains a significant public health concern, particularly in Africa, where the burden is substantial. HBV is an enveloped virus, classified into ten phylogenetically distinct genotypes (A-J). Tests to determine HBV genotypes are based on full-genome sequencing or reverse hybridization.
View Article and Find Full Text PDFFront Immunol
November 2024
Division of Immunology, Institute of Infectious Diseases and Molecular Medicine (IDM), Department of Pathology, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa.
Introduction: Forkhead box P3 (Foxp3) T regulatory cells are critical for maintaining self-tolerance, immune homeostasis, and regulating the immune system.
Methods: We investigated interleukin-4 receptor alpha (IL-4Rα) signalling on T regulatory cells (Tregs) during () infection using a mouse model on a BALB/c background, specifically with IL-4Rα knockdown in Tregs (Foxp3IL-4Rα).
Results: We showed an impairment of Treg responses, along with a decreased bacterial burden and diminished tissue pathology in the liver and spleen, which translated into better survival.
PLoS Comput Biol
October 2024
Department of Biosciences, Faculty of Health and Life Sciences, University of Exeter, Exeter, United Kingdom.
Establishing suitable in vitro culture conditions for microorganisms is crucial for dissecting their biology and empowering potential applications. However, a significant number of bacterial and fungal species, including Pneumocystis jirovecii, remain unculturable, hampering research efforts. P.
View Article and Find Full Text PDFVaccines (Basel)
October 2024
Leiden University Center for Infectious Diseases, Leiden University Medical Center, 2333 ZA Leiden, The Netherlands.
Heliyon
October 2024
World Health Organization, Country Office, Accra, Ghana.
Introduction: The uptake trend of a new vaccine is unpredictable and may reflect the quality of introduction process and community acceptance. The objective of this study was to conduct a trend analysis of RTS,S malaria vaccine uptake in the seven pilot regions of Ghana from 2019 to 2022. The findings are envisaged to strengthen malaria vaccine introductions in the future.
View Article and Find Full Text PDFVaccine X
October 2024
World Health Organization, Country Office, Accra, Ghana.
Introduction: Savannah Region witnessed a decline in measles-rubella (MR) vaccination coverage prior to the measles outbreak in 2022. This study aimed to assess contributory factors of the low routine MR vaccination coverage and proffer recommendations to improve vaccination uptake.
Methods: A cross-sectional study was conducted in two districts (Bole and Central Gonja) of Savannah Region from December 2022 to June 2023.
Heliyon
October 2024
School of Chemistry and Physics, University of KwaZulu Natal, Westville Campus, Durban, 4000, South Africa.
Sci Total Environ
December 2024
Community Science and Innovation for Environmental Justice (CSI EJ) Initiative, Department of Environmental Health and Engineering, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD 21205, United States; Department of Environmental Health and Engineering, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD 21205, United States; Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD 21205, United States; Department of International Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD 21205, United States. Electronic address:
Malar J
October 2024
Center of Tropical Medicine and Travel Medicine, Department of Infectious Diseases, Amsterdam University Medical Centers, Location AMC, University of Amsterdam, Amsterdam, The Netherlands.
Sci Rep
October 2024
Department of Immunology and Microbial Disease, Albany Medical College, Albany, NY, USA.
PLoS Pathog
October 2024
Department of Immunology and Microbial Disease, Albany Medical College, Albany, New York, United States of America.
Mycobacterium tuberculosis (Mtb) infection induces a marked influx of neutrophils into the lungs, which intensifies the severity of tuberculosis (TB). The metabolic state of neutrophils significantly influences their functional response during inflammation and interaction with bacterial pathogens. However, the effect of Mtb infection on neutrophil metabolism and its consequent role in TB pathogenesis remain unclear.
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