Isolation and Identification of Species in Irrigation Channels for Recreational Use in Mexicali Valley, Mexico.

Members of the genus are free-living amoebae that are widely distributed in water and soil environments. Moreover, is a pathogenic amoeba species that causes a fatal disease in the central nervous system known as primary amoebic meningoencephalitis (PAM) in humans. Since most reported infections due to are reported in recreational waters worldwide, this study was aimed to describe the presence of these amoebic genus in Mexicali Valley irrigation channels of recreational use.

Prevalence of HMTV in breast carcinomas and unaffected tissue from Mexican women.

Background: Breast cancer is a complex multifactorial genetic disease. Among other factors, race and, to an even greater extent, viruses are known to influence the development of this heterogeneous disease. It has been reported that MMTV-like (HMTV) gene sequences with a 90 to 98% homology to mouse mammary tumor virus are found in several populations with a prevalence range of 0 to 74%.