Esperanza Meléndez

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OBJECTIVE To evaluate and establish genomic strain typing markers suitable for the identification of transmission patterns of leprosy in different regions of Colombia. DESIGN Patients from Agua de Dios, Barranquilla and Cartagena cities and neighbouring towns were enrolled during 2006-2007. Slit skin smears or biopsies were obtained from newly detected(More)
Between 1975 and 1987, epidemiological studies were carried out in several rural and urban communities in the central part of western Venezuela, especially in the state of Lara. 115 positive cultures were obtained from human cases and identified by their reactivity patterns to a cross-panel of specific monoclonal antibodies using a radioimmune binding(More)
BACKGROUND While studying cutaneous leishmaniasis in the central part of western Venezuela, we found four cases of disseminated American cutaneous leishmaniasis, three from the Lara State and one from Portuguesa State. METHODS A clinical history was taken for each of these patients, followed by microscopic examination of the Giemsastained smears from(More)
The HIV infection primarily affects young adults, but older adults are also susceptible. The number of AIDS cases among persons aged 50 or greater is growing and is of major concern. As our awareness of the prevalence of HIV-related illnesses presenting to the emergency department improves in the younger population, we must not ignore the disease in older(More)
Conidiobolomycosis is a subcutaneous mycosis of the facial midline affecting primarily adult males. It is caused by the saprophytic fungus, Conodiobolus coronatus, present in soils and dried vegetables, characteristic of intertropical regions. C. coronatus belongs to the class Zygomycetes, order Entomophthorales; it is a fungus composed of thick, short(More)
OBJECTIVES Determining the occurrence of leprosy amongst couples and establishing the type of leprosy in index and secondary cases. METHODS The characteristics of leprosy were studied between 1980 and 2000 in Atlántico Department located on the Colombian Caribbean Coast. Clinical histories of patients registered in the Leprosy Control Programme were(More)
Vitamin A is essential for vertebrate embryonic development; dietary carotenoids are the primary source of vitamin A since animals cannot synthesize it de novo. To study the role of beta-carotene during embryonic development, we analyzed in chick embryos the expression of beta,beta-carotene 15,15'-oxygenase (beta-oxy) which cleaves beta-carotene to produce(More)