Background: Crimean-Congo hemorrhagic fever (CCHF) is an acute viral hemorrhagic fever caused by the Crimean-Congo hemorrhagic fever virus (CCHFV). Nuclear factor (NF)-κB regulates the expression of hundreds of genes, including inflammatory and immunoregulatory, cell cycle regulating, and anti-apoptotic genes. NF-κBIA (IκBα) encodes an inhibitory version of the NF-κB proteins.
Methods: This study is the first to investigate the association between NF-κB1 - 94W/D and NF-κBIA 3→UTR A→G polymorphisms and CCHF using the polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) method.
Results: There was a significant difference in NF-κB1 - 94W/D genotype distribution between CCHF patients and control populations (p = 0.001). Comparison of the WW genotype with both WD and DD genotypes revealed that the difference between CCHF patients and controls was statistically significant (p = 0.043 for WD genotype, p = 0.018 for DD genotype). However, a significant deviation was found between patients with fatal CCHF and control populations (p = 0.025). The results show that patients with fatal CCHF with the DD genotype have a 4.06-times higher risk for CCHF compared to patients in the control group (odds ratio (OR) 4.06, 95% confidence interval (CI) 1.11-14.87). A significant difference in NF-κBIA 3→UTR A→G polymorphisms was observed between CCHF patients and controls in both AA vs AG and AA vs GG (OR 2.04, p = 0.019; OR 2.01, p = 0.049, respectively).
Conclusions: Our findings suggest that NF-κB1 - 94W/D and NF-κBIA 3→UTR A→G polymorphisms may be valuable predictors of the clinical course in CCHF disease.
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http://dx.doi.org/10.3109/00365548.2011.623313 | DOI Listing |
Introduction: Recent Rift Valley fever (RVF) epidemiology in eastern Africa region is characterized by widening geographic range and increasing frequency of small disease clusters. Here we conducted studies in southwestern (SW) Uganda region that has since 2016 reported increasing RVF activities.
Methods: A 22-month long hospital-based study in three districts of SW Uganda targeting patients with acute febrile illness (AFI) or unexplained bleeding was followed by a cross-sectional population-based human-animal survey.
AME Case Rep
November 2024
Department of Orthopaedic Surgery, Sugita Genpaku Memorial Obama Municipal Hospital, Fukui, Japan.
Background: Open pelvic fractures are rare but represent a serious clinical problem with high mortality rates. Acute mortality is often associated with hemorrhage, whereas delayed mortality is most often associated with sepsis and multiple organ failure. We report a case of Wang's classification of type II open pelvic ring fracture with hemorrhagic shock and septic shock from gas gangrene.
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January 2025
School of Dentistry, Catholic University of Pelotas (UCPel), Campus da Saúde, Av. Fernando Osório, 1586-Pelotas, Pelotas, RS, Brazil.
Background: Dengue virus (DENV) infection, a mosquito-borne disease, presents a significant public health challenge globally, with diverse clinical manifestations. Although oral dengue manifestations are uncommon, they can serve as crucial diagnostic indicators and impact patient management in dental practice. This scoping review aims to map the evidence on the oral manifestations associated with DENV infection and their clinical implications for dental practice.
View Article and Find Full Text PDFViruses
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Laboratory of Infectious Diseases, College of Veterinary Medicine, Chungnam National University, Daejeon 34134, Republic of Korea.
Self-assembling ferritin nanoparticle technology is a widely used vaccine development platform for enhancing the efficacy of subunit vaccines by displaying multiple antigens on nanocages. The dengue virus (DENV) envelope domain III (EDIII) protein, the most promising antigen for DENV, has been applied in vaccine development, and it is essential to evaluate the relative immunogenicity of the EDIII protein and EDIII-conjugated ferritin to show the efficiency of the ferritin delivery system compared with EDIII. In this study, we optimized the conditions for the expression of the EDIII protein in , protein purification, and refolding, and these optimization techniques were applied for the purification of EDIII ferritin nanoparticles.
View Article and Find Full Text PDFViruses
January 2025
Department of Immunology and Microbiology, Scripps Research Institute, La Jolla, CA 92037, USA.
Lassa fever (LF), a viral hemorrhagic fever disease with a case fatality rate that can be over 20% among hospitalized LF patients, is endemic to many West African countries. Currently, no vaccines or therapies are specifically licensed to prevent or treat LF, hence the significance of developing therapeutics against the mammarenavirus Lassa virus (LASV), the causative agent of LF. We used in silico docking approaches to investigate the binding affinities of 2015 existing drugs to LASV proteins known to play critical roles in the formation and activity of the virus ribonucleoprotein complex (vRNP) responsible for directing replication and transcription of the viral genome.
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