Chlamydia sex infection vaccine passes safety test

The first human trial of a jab to tackle the sexually transmitted disease shows promise, say experts.
Source: BBC News | Health | UK Edition - Category: Consumer Health News Source Type: news

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Discussion Syphilis is caused by the spirochete Treponema pallidum. It is a very old disease that despite understanding the organism and readily available treatment, still causes disease. Syphilis is transmitted sexually. According to the Centers for Disease Control, “[i]n 2018, a total of 35,063 cases of [Primary and Secondary] syphilis were reported in the United States, yielding a rate of 10.8 cases per 100,000 population …. This rate represents a 14.9% increase compared with 2017 (9.4 cases per 100,000 population), and a 71.4% increase compared with 2014 (6.3 cases per 100,000 population).” The incre...
Source: - Category: Pediatrics Authors: Tags: Uncategorized Source Type: news
Abstract Chlamydia trachomatis is one of the most prevalent sexually transmitted infectious agents in the world and the leading cause of infectious blindness. The role of antibodies in the prevention and clearance of infection is still not fully understood, but the analysis of the immunoglobulin response to novel vaccine candidates is an important part of many of these studies. In this chapter, we describe a novel method to identify and isolate Chlamydia-specific memory B cells by fluorescence-activated cell sorting (FACS) using fluorescently labeled whole bacteria from cryopreserved human PBMC samples. This metho...
Source: Mol Biol Cell - Category: Molecular Biology Authors: Tags: Methods Mol Biol Source Type: research
Chlamydia trachomatis is the leading cause of sexually transmitted infections that may progress to pelvic inflammatory disease and infertility. No effective vaccine exists for Chlamydia, nor are there biomarkers available that readily predict disease progression. In this cross-sectional pilot study, we recruited symptomatic and asymptomatic women with C. trachomatis (CT) infection and asymptomatic, uninfected control women from an urban sexually transmitted disease clinic to determine if there were differences in microRNA (miRNA) expression. Infected women with signs and/or symptoms (CTSS) have distinct miRNA profiles comp...
Source: Infection and Immunity - Category: Infectious Diseases Authors: Tags: Host Response and Inflammation Source Type: research
When it comes to finding a vaccine for chlamydia, the world ’s most common sexually transmitted infection, koalas may prove a key ally.
Source: NYT Health - Category: Consumer Health News Authors: Tags: Chlamydia Koalas Animals Sexually Transmitted Diseases Endangered and Extinct Species Antibiotics Vaccination and Immunization Bacteria Veterinary Medicine Queensland (Australia) your-feed-science Source Type: news
This study identifies the putative vaccine candidates that are membrane bound with high antigenicity properties; antigenicity induces the immunogenicity which involves identification of T-cell and B-cell epitopes that induce both humoral and cell-mediated immunity. The epitopes ‘LSWEMELAY’, ‘LSNTEGYRY’, ‘TSDLGQMEY’, ‘FIDLLQAIY’ and ‘FSNNFSDIY’ were predicted as core sequences for class I MHC molecules. The identified epitopes showed promising ability to interact with the human leukocyte antigens (HLA). These epitopes showed maximum population coverage w ith epitop...
Source: Network Modeling Analysis in Health Informatics and Bioinformatics - Category: Bioinformatics Source Type: research
Conclusions: The study highlighted the type of HPV infection seen among the hospital-based population. For better screening, HPV tests available in the market should include all the types seen in the population.
Source: Indian Journal of Medical Microbiology - Category: Microbiology Authors: Source Type: research
HIGHLIGHTS Adolescents and young adults are particularly susceptible to sexually transmitted infections (STIs), and cases of chlamydia, gonorrhea and syphilis have been rapidly increasing among young people in recent years. Young people face multiple roadblocks to obtaining high-quality sexual health inform ation and STI care that can help them avoid STIs or mitigate the effects of an infection. Advocates and policymakers addressing STIs among young people should support the needs of those most vulnerable to STIs through high-quality sex education programs, access to clinical care, preventive technolo gies and vaccines,...
Source: The Guttmacher Institute - Category: International Medicine & Public Health Authors: Source Type: news
ConclusionsOne-third of local health departments reported no safety-net sexually transmitted disease services or were not aware of the services, and availability of specific services varied. Without an expansion of resources, local health departments might explore collaborations with healthcare systems and innovations in testing to expand sexually transmitted disease services.
Source: American Journal of Preventive Medicine - Category: International Medicine & Public Health Source Type: research
Purpose of review The combined incidence of chlamydia, gonorrhoea and syphilis in MSM PrEP (preexposure prophylaxis) cohorts now frequently exceeds 100 per 100 person years. The efficacy of antiretroviral PrEP in reducing HIV transmission has led to efforts to find similar biomedical ways reduce sexually transmitted infection (STI) incidence. We review the recent evidence for these and other strategies. Recent findings Doxycycline PrEP/postexposure prophylaxis has been shown to reduce the incidence of syphilis and chlamydia but not gonorrhoea. A meningococcal vaccine has been found to result in a lower incidence of go...
Source: Current Opinion in Infectious Diseases - Category: Infectious Diseases Tags: STD: Edited by Joseph A. Duncan Source Type: research
In 2018, the number of bacterial sexually transmitted infections (STIs) reported in the United States reached an all-time high. This is worrisome for many reasons. Having an STI can raise risks for HIV, infertility, pregnancy complications, and infant death. Fortunately, all of these outcomes can be avoided if people receive appropriate treatment. What are STIs? STIs are illnesses caused by microorganisms passed between people during sex. An STI can affect anyone who is exposed to it. Syphilis, gonorrhea, and chlamydia are the most common bacterial infections. Trichomoniasis, a protozoan infection, is also diagnosed freque...
Source: Harvard Health Blog - Category: Consumer Health News Authors: Tags: Adolescent health HIV Men's Health Relationships Sexual Conditions Women's Health Source Type: blogs
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