The concentration and isotopic composition of lead in the blood of women of reproductive age (15-45 y) exposed to multiple sources in two rural communities of the mining region of Taxco, Guerrero in southern Mexico were ...

Meccus pallidipennis are insects from the Hemiptera order, and are vectors for the Chagas disease. They are haematophagous and their digestive system is divided into three regions: foregut, midgut and hindgut. To date, no ...

The Payment of Environmental Services Program (PES), in charge of the National Forestry Commission (CONAFOR) of the Mexican Government, has been implemented since 2003. This program provides financial resources to ...

Background: Diagnosis of Chagas disease is based on serological methods with high occurrence of false positive. The use of recombinant antigens is recommended to increase the sensitivity and specificity of serological ...

Background. The protein p16INK4a is an inhibitor of cyclin-dependent kinases (CDKs) that slows the cell cycle by inactivating CDKs involved in the phosphorylation of the retinoblastoma protein (pRb). Infection with high-risk ...

Cerebral ischemia results from occlusion of a major cerebral artery. Decreased cerebral blood flow restricts the supply of oxygen and glucose decreasing energy metabolism of the cell and increasing the level of reactive ...

Background. Loss of gene expression regulation is a key characteristic of cancer; epigenetic modifications alter gene expression and thus play an important role in carcinogenesis. Integration of viral DNA in persistent ...