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Frequency of Emerging Parasites in HIV/AIDs and Oncological Patients stool by Coprological and Molecular Analysis

Advances in Infectious Diseases 2013年第3期3卷 162-171页

作者： Enedina Jiménez-Cardoso Leticia Eligio-García Apolinar Cano-Estrada adrian cortés-campos Aurora Medina-sansón Diana Molina-Martínez Children Hospital of Mexico Mexico City Mexico

The purpose of this study was to determine the frequency of emerging parasites in two groups of immunosuppressed patients, including individuals infected with the human immunodeficiency virus (AIDs) (HIV) or having acute lymphoblastic leukemia (ALL) with or without diarrhea. stool samples were collected from 96 HIV and 77 ALL patients from March 2010 through December 2011. screening for opportunistic parasites was carried out by the coproparasitoscopic Faust method, Ziehl Neelsen staining, and Polymerase Chain Reaction (PCR). Results showed that 22.9% of HIV fecal samples were positive for emerging parasites, including Cryptosporidium spp. (7.3%), Microsporidium spp. (5.2%), Isospora belli (1.0%), Giardia intestinalis (2.6%), and Cyclospora spp. (7.3%). On the other hand, 32.5% of ALL fecal samples were positive for emerging parasites, including Cryptosporidium spp. (9.1%), Microsporidium spp. (19.5%), Isospora belli (1.3%), and Giardia intestinalis (2.6%). Our results highlighted the need for specific, efficient, and reliable diagnostic methods to identify the presence of emerging parasites in immunocompromised patients susceptible to different infectious diseases or neoplastic processes and avoid the consequences for the host as an increased disease rate, alterations in the clinical manifestation of the infection or even exacerbation of its course.

关键词： Leukemia HIV Emerging Parasites Microsporidium Cryptosporidium spp. Giardia Intestinalis Cyclospora Isospora Belli

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Assemblages of <i>Giardia duodenalis</i>Isolates from Dogs by Amplification and Restriction of tpi and <i>β</i>-Giardin Genes and sequencing of ssU rDNA Gene

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Open Journal of Veterinary Medicine 2013年第3期3卷 222-227页

作者： Leticia Eligio-Garcia cortés-campos adrian Cano-Estrada Apolinar Jiménez-Cardoso Enedina Laboratorio de Investigación en Parasitología Children Hospital of MéxicoMéxico D.F. México

Giardia duodenalis exhibits seven assemblages (A-G) that are distributed in different hosts. The A and B assemblages are commonly found in humans and several mammals, while C and D assemblages are typically found in dogs. The purpose of this study was to determine the assemblage of Giardia duodenalis present in the stool samples of ten canines using an assay based on PCR amplification, restriction analysis, and sequencing of the small subunit ribosomal DNA (ssU-rDNA), β-giardin, and triosephosphate isomerase (tpi) genes in order to establish the similarities or differences between the assemblage obtained with each gene. The results indicated that all positive isolates belonged to assemblage A, and specifically to the sub-assemblage A-I. A comparison of the ssU-rDNA gene sequence revealed the presence of three subgroups of assemblage A. These findings highlight the importance of canine transmission of Giardia in Mexico and its genetic plasticity. They also establish a method for additional and more molecularly extensive epidemiological studies to improve sanitation and hygiene in the most affected areas.

关键词： Giardia duodenalis Genotyping Zoonosis tpi β-Giardin ssU rDNA

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The frequency of intestinal parasites in puppies from Mexican kennels

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Health 2010年第11期2卷 1316-1319页

作者： Enedina Jiménez-Cardoso Leticia Eligio-García Adrián cortés-campos Apolinar Cano Estrada Margarita Pinto-sagahón Cynthia Noguera-Estrada 不详

The purpose of this investigation was to determine the intestinal parasite prevalence in puppies from six different kennels;four kennels were in Guadalajara and Zapopan cities (Jalisco state) and two kennels were in Mexico City. From October 2006 to November 2007, we collected 441 fecal samples from 147 puppies, both male and female, ranging from 1 to 36 months of age. Three samples from every puppy were analyzed by using the Faust technique. The prevalence found were as follows: Giardia intestinalis (genotype A and B) 6.8%;Cystoisospora 21.08%;Uncinaria 7.48%;Toxocara canis 12.29% and multiparasitism (Giardia, Toxocara and Uncinaria) 4.76%. The highest prevalence for both Giardia and Cystoisospora were found in 2-3- month-old puppies;the highest prevalence for Toxocara canis was found in 3-4-month-old puppies. In the kennels of Mexico City we found mainly Giardia intestinalis, Cystoisospora to be most prevalent in Zapopan and Toxocara canis in Guadalajara. The high prevalence of intestinal parasites found in this study demonstrates an increased risk for infection in humans, as these animals are usually a common pet in many homes. This zoonotic phenomenon represents an important health problem for any community.

关键词： Parasites Giardia Cystoisospora Dogs

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The frequency of intestinal parasites in puppies from Mexican kennels

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Health（健康） 2010年第11期

作者： Enedina Jiménez-Cardoso Leticia Eligio-García Adrián cortés-campos Apolinar Cano Estrada Margarita Pinto-sagahón Cynthia Noguera-Estrada

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