نتایج جستجو برای: chancroid
تعداد نتایج: 288 فیلتر نتایج به سال:
History A 54-year-old Chinese male with stage 3 HIV infection presented with preputial swelling and ulcerations for a few days in November 1996. He denied any sexual intercourse since his HIV infection was diagnosed in mid-1996. He didn't take any medication other than the anti-retrovirals for his HIV infection. These ulcers healed spontaneously after 1 week though they recurred several times i...
Today, the classical bacteria that cause venereal diseases, e.g. gonorrhea, syphilis, chancroid and inguinal granuloma, only account for a small proportion of all known sexually transmitted diseases (STDs). Other bacteria and viruses as well as yeasts, protozoa and epizoa must also be regarded as causative organisms of STD. Taken together, all sexually transmitted infections comprise more than ...
OBJECTIVES To describe the role and current status of vaccine research against sexually transmitted diseases (STDs). METHODS The available literature was reviewed with particular emphasis on bacterial STDs. RESULTS Strategic approaches to possible implementation of STD vaccine programmes were analysed. The status of vaccines against bacterial STDs (syphilis, chancroid, gonorrhoea, and chlam...
Haemophilus ducreyi 35000HP contains a homologue of the luxS gene, which encodes an enzyme that synthesizes autoinducer 2 (AI-2) in other gram-negative bacteria. H. ducreyi 35000HP produced AI-2 that functioned in a Vibrio harveyi-based reporter system. A H. ducreyi luxS mutant was constructed by insertional inactivation of the luxS gene and lost the ability to produce AI-2. Provision of the H....
An extra- and an intracellular product from the bacterium Haemophilus ducreyi were shown to have a cytotoxic effect on cell lines of epithelial origin, e.g., HEp-2 and HeLa cells. The cytotoxic effect appeared on cells within 24 h and resulted in cell death and morphologically changed cells. The cytotoxic activity was heat and pronase sensitive. The activity could be removed by incubation with ...
Even after the Nuremberg code was published, research on syphilis often continued to fall far short of ethical standards. We review post-World War II research on this disease, focusing on the work carried out in Guatemala and Tuskegee. Over a thousand adults were deliberately inoculated with infectious material for syphilis, chancroid, and gonorrhea between 1946 and 1948 in Guatemala, and thous...
OBJECTIVE To determine if the differences in risk behaviours, the proportions of males circumcised and prevalences of sexually transmitted infections (STIs) observed in two African cities with low prevalence of HIV (Cotonou, Benin, and Yaoundé, Cameroon) and two cities with high prevalence (Kisumu, Kenya, and Ndola, Zambia) could explain the contrasting HIV epidemics in the four cities. METHO...
AbstractPurpose High rates of sexually transmitted infections (STIs) have been documented among U.S. military servicemembers. The purpose this scoping review is to evaluate the literature determine what known about risk factors, preventive measures, and health outcomes regarding STIs active duty servicewomen. Methods A search six bibliographic databases grey identifie...
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