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Topic: Trypanosoma cruzi


In the News (Tue 21 May 13)

  
  Trypanosoma - MicrobeWiki
Trypanosoma cruzi cells differ from their African relatives (Trypanosoma brucei) in that no replication occurs in the bloodstream; rather, the cells are only able to replicate after another cell has been penetrated.
Trypanosoma brucei and Trypanosoma cruzi are parasites--therefore the ecology of their vector and host is the ecology of the species itself.
Trypanosoma cruzi is found in many countries in the Americas, and is carried by insects to animals and human in much the same way as its African counterpart, although rather than the tsetse fly, the vecters are bedbugs or "assassin" flies.
microbewiki.kenyon.edu /index.php/Trypanosoma   (893 words)

  
 CDC - Congenital Transmission of Trypanosoma cruzi Infection in Argentina   (Site not responding. Last check: 2007-10-14)
CDC - Congenital Transmission of Trypanosoma cruzi Infection in Argentina
Congenital transmission of Trypanosoma cruzi infection in Argentina.
Trypanosoma cruzi, the causative agent of Chagas disease, infects 10–18 million people in the Americas (1), half of whom most likely are women who may eventually transmit T.
www.cdc.gov /ncidod/EID/vol9no1/02-0274.htm   (1995 words)

  
 TRYPANOSOMA CRUZI: TAXONOMY, MORPHOLOGY AND LIFE CYCLE
Trypanosoma cruzi is a flagellate of the Kinetoplastida Order, Family Trypanosomatidae, characterized by the presence of one flagellum and a single mitochondrion in which is situated the Kinetoplast, a specialized DNA-containing organelle.
T. cruzi is not a homogeneous population and is composed rather by a pool of strains which circulate in both the domestic and sylvatic cycles involving humans, vectors and animal reservoirs of the parasite.
The T. cruzi flagellum is connected to the basal body and emerges from a specialized invagination, the flagellar pocket which is apparently involved in the ingestion and uptake of nutrients of the external medium.
www.dbbm.fiocruz.br /tropical/chagas/chapter3.html   (1505 words)

  
 IMMUNOPATHOLOGY OF THE <I>Trypanosoma cruzi</I> INFECTIOUS PROCESS
Trypanosoma cruzi proline racemases are involved in parasite differentiation and infectivity.
A 24 kDa Trypanosoma cruzi antigen is a B cell activator.
Polyclonal lymphocyte responses to murine Trypanosoma cruzi infection.
www.pasteur.fr /recherche/unites/tcruzi/minoprio/minoprio.html   (1749 words)

  
 Reactivation of a Trypanosoma cruzi Infection in a Rhesus Monkey (Macaca mulatta) Experimentally Infected with SIV -- ...
Reactivation of a Trypanosoma cruzi Infection in a Rhesus Monkey (Macaca mulatta) Experimentally Infected with SIV -- Kunz et al.
Reactivation of a Trypanosoma cruzi Infection in a Rhesus Monkey (Macaca mulatta) Experimentally Infected with SIV
Marinkelle CJ: The prevalence of Trypanosoma (Schizotrypanum) cruzi cruzi infection in Colombian monkeys and marmorsets.
www.vetpathology.org /cgi/content/full/39/6/721   (2068 words)

  
 Congenital transmission of Trypanosoma cruzi infection in Argentina - Research Emerging Infectious Diseases - Find ...
Trypanosoma cruzi, the causative agent of Chagas disease, infects 10-18 million people and may be transmitted to the newborn.
Trypanosoma cruzi, the causative agent of Chagas disease, infects 10-18 million people in the Americas (1), half of whom most likely are women who may eventually transmit T. cruzi to their newborns.
The probability of a woman's being infected with T. cruzi varies with age; however, it may be estimated from the seroprevalence for T. cruzi in men of the same age group because no evidence of a gender-related excess risk of infection has been detected (5,6).
www.findarticles.com /p/articles/mi_m0GVK/is_1_9/ai_97116556   (785 words)

  
 Trypanosoma cruzi Recombinant Complement Regulatory Protein: a Novel Antigen for Use in an Enzyme-Linked Immunosorbent ...   (Site not responding. Last check: 2007-10-14)
Identification of Trypanosoma cruzi antigen that is shed during the acute phase of Chagas' disease.
IgG antibody reactivity with Trypanosoma cruzi and Leishmania antigens in sera of patients with Chagas' disease and leishmaniasis.
Trypanosoma cruzi: cloning and expression of an antigen recognized by acute and chronic human chagasic sera.
jcm.asm.org /cgi/content/full/40/10/3735   (4460 words)

  
 Detection of Trypanosoma cruzi and Trypanosoma rangeli Infection by Duplex PCR Assay Based on Telomeric Sequences -- ...
Trypanosoma cruzi causes Chagas' disease, a fatal illness endemic
Identification and detection of Trypanosoma cruzi by with a DNA amplification fingerprint obtained from the ribosomal intergenic spacer.
Trypanosoma cruzi: Specific Detection of Parasites by PCR in infected humans and vectors with a set of primers (BP1/BP2) targeted to a nuclear DNA sequence.
cdli.asm.org /cgi/content/full/10/5/775   (2566 words)

  
  Research - Mario J. Grijalva - Trypanosoma cruzi - Chagas - Ecuador -- OU-COM Department of Biomedical Sciences ...
These major components include the study of the basic immunological mechanisms of pathology caused by experimental Trypanosoma cruzi infection in mice; the study of the biology and epidemiology of Chagas disease in Ecuador and in the United States; and the improvement of the safety of the blood supply in developing countries.
Trypanosoma cruzi is the causative agent of Chagas disease and directly affects an estimated 18 million people in the American Continent.
Dynamics of parasite in vivo infection and its correlation with expression of cytokines and chemokines in tissues from experimentally Trypanosoma cruzi infected mice.
www.oucom.ohiou.edu /dbms-grijalva/research.htm   (1102 words)

  
 Trypanosoma cruzi in Mexico | CDC EID   (Site not responding. Last check: 2007-10-14)
cruzi infection in the inhabitants of 23 of the 32 provinces of Mexico (3,4).
Serologic and parasitologic demonstration of Trypanosoma cruzi infections in an urban area of central Mexico: correlation with electrocardiographic alterations.
Immunoblot assay using excreted-secreted antigens of Trypanosoma cruzi in serodiagnosis of congenital, acute, and chronic Chagas' disease.
www.cdc.gov /ncidod/EID/vol12no04/05-0450.htm   (3747 words)

  
 PATHOLOGIC CHANGES IN LUNGS CAUSED BY MEXICAN ISOLATES OF TRYPANOSOMA CRUZI IN THE ACUTE PHASE OF INFECTION IN MICE -- ...
Morphological and behavioural characterization of Trypanosoma cruzi strains.
Trypanosoma cruzi: genetic structure of populations and relevance of genetic variability to the pathogenesis of Chagas’ disease.
Trypanosoma (Schizotrypanum) cruzi: histopathology in mice infected with strains isolated from Didelphis marsupialis from the valley of Caracas (Venezuela).
www.ajtmh.org /cgi/content/full/73/2/301   (3045 words)

  
 Genomes of Trypanosoma brucei and Trypanosoma cruzi sequenced   (Site not responding. Last check: 2007-10-14)
Genomes of Trypanosoma brucei and Trypanosoma cruzi sequenced
Researchers in the Sir William Dunn School of Pathology were involved in the sequencing of the DNA of Trypanosoma brucei and Trypanosoma cruzi, which cause sleeping sickness and Chagas' disease respectively, diseases which in combination put 160 million people in developing countries at risk.
The Trypanosoma brucei and Trypanosoma cruzi genomes were sequenced alongside a third, related parasite, Leishmania major - also a serious cause of human disease.
www.news-medical.net /?id=12478   (475 words)

  
 Induction of Resistance to Azole Drugs in Trypanosoma cruzi -- Buckner et al. 42 (12): 3245 -- Antimicrobial Agents and ...
Trypanosoma cruzi is the protozoan parasite that causes Chagas' disease, a frequently fatal illness affecting the heart and
cruzi, derived by long-term in vitro passage in the presence of fluconazole, was resistant to four different azole drugs in comparison to the parent line from which it was derived (a to d).
Trypanosoma cruzi infection does not impair major histocompatibility complex class I presentation of antigen to cytotoxic T lymphocytes.
aac.asm.org /cgi/content/full/42/12/3245   (3550 words)

  
 Immunodepression Induced by Trypanosoma cruzi and Mouse Hepatitis Virus Type 3 Is Associated with Thymus Apoptosis -- ...
Induction of macrophage activation and opsonizing antibodies by Trypanosoma cruzi subpopulations.
Trypanosoma cruzi: isolate dependence in the induction of lytic antibodies in the mouse and rabbit.
Trypanosoma cruzi: in vivo and in vitro correlation between T-cell activation and susceptibility in inbred strains of mice.
cdli.asm.org /cgi/content/full/5/2/186   (2182 words)

  
 The Kiss of Death: The Biology of Chagas' Disease - Trypanosoma cruzi
cruzi live one stage of their lives in the blood and/or tissues of vertebrate hosts and during other stages they live in the digestive tracts of invertebrate vectors (temporary hosts).
cruzi that pass from the insect's hindgut in the fecal matter and burrow into the skin, either through the bite site or skin abrasions.
cruzi and triatomines is the result of millions of years of selective pressure, natural selection, and adaptive strategies that provide T.
www.uta.edu /chagas/html/biolTcru.html   (660 words)

  
 Human Trypanosoma cruzi infection and seropositivity in Dogs, Mexico Emerging Infectious Diseases - Find Articles
Trypanosoma cruzi, which causes Chagas disease, affects [approximately equal to] 17.4 million people in the Western Hemisphere (1).
Circulation of T. cruzi is maintained by the interaction of bloodsucking triatomines with humans and reservoir animal hosts (1).
In this study, we report the seroprevalence of T. cruzi among persons and dogs in the villages in the southern part of the State of Mexico and discuss the potential diagnostic meaning of seropositivity in dogs for identifying seroprevalence in humans.
www.findarticles.com /p/articles/mi_m0GVK/is_4_12/ai_n16126898   (926 words)

  
 Trypanosoma cruzi: The Cause of Chaga's Disease in Dogs
Trypanosoma cruzi is a protozoan (one-celled) parasite that causes a disease called American trypanosomiasis or Chaga’s disease in man. The insects that pass T.
cruzi is found in South and Central America where it is a significant cause of disease in humans.
cruzi can either enter the circulation and be ingested by the bugs, or enter other cells where they repeat the process of reproducing and rupturing the host’s cells.
www.peteducation.com /article.cfm?cls=2&cat=1621&articleid=776   (820 words)

  
 Trypanosoma cruzi (Chagas' disease)
Trypanosoma cruzi, a protozoan parasite, causes Chagas' disease (“American trypanosomiasis”).
cruzi, observed by direct microscopic examination of blood smears, characterize the acute phase of infection and confirm Chagas' disease reactivation.
Ndao, M., Kelly, N., Normandin, D., Maclean, J.D., Whiteman, A., Kokoskin, E., Arevalo, I. and Ward, B.J. (2000) Trypanosoma cruzi infection of squirrel monkeys: comparison of blood smear examination, commercial enzyme-linked immunosorbent assay, and polymerase chain reaction analysis as screening tests for evaluation of monkey-related injuries.
www.zoologix.com /zoo/Datasheets/TrypanosomaCruzi.htm   (608 words)

  
 Trypanosoma cruzi - Wikipedia, the free encyclopedia
Trypanosoma cruzi is a species of parasitic protozoan trypanosomes.
Trypanosoma brucei gambiense (African sleeping sickness / African trypanosomiasis) 3.
African sleeping sickness is transmitted by the bite of the tsetse fly and this can be treated with suramin or melarsoprol.
en.wikipedia.org /wiki/Trypanosoma_cruzi   (183 words)

  
 Trypanosoma cruzi. ChagaSpace Group
Its scientific name is Trypanosoma cruzi, and it is related to another microorganism that in Africa provokes the "sleeping sickness" transmitted by a fly called "Tse-Tse".
The T. cruzi is very small (around 20 thousandths of an millimeter) and has a very long body with a flagellum and a wavy membrane.
Those forms are called differently depending on their general look, the way the flagellum emerges from the cell body and the position of 2 very important intracellular structures: nucleus and the motion organ.
www.chagaspace.org /eng/tcruzi/index.htm   (304 words)

  
 HIV Medicine 2006 | Trypanosoma cruzi
Trypanosoma cruzi is a protozoan that is transmitted via contaminated feces of tri-atomid bugs (assassin bugs), found almost exclusively on the American continent.
In HIV patients from South America, Trypanosoma infection should therefore be considered in the differential diagnosis (Silva 1999).
Trypanosoma cruzi parasitemia in chronic Chagas disease: comparison between HIV-positive and HIV-negative patients.
www.hivmedicine.com /textbook/oi/trypa.htm   (188 words)

  
 Serologic Testing for Trypanosoma cruzi: Comparison of Radioimmunoprecipitation Assay with Commercially Available ...   (Site not responding. Last check: 2007-10-14)
Seroprevalence of Trypanosoma cruzi infection in students at the seven-fourteen age range, Londrina, PR, Brazil, in 1995.
Trypanosoma cruzi in a low- to moderate-risk blood donor population: seroprevalence and possible congenital transmission.
Schmuñis, G. Trypanosoma cruzi, the etiologic agent of Chagas' disease: status in the blood supply in endemic and nonendemic countries.
jcm.asm.org /cgi/content/full/38/2/639   (2637 words)

  
 Trypanosoma cruzi: experimental parasitism of bone and cartilage.   (Site not responding. Last check: 2007-10-14)
Trypanosoma cruzi: experimental parasitism of bone and cartilage.
Trypanosoma cruzi causes Chagas' disease, a systemic infection that affects cells of meso-, endo-, and ectodermic origin.
We discuss the results in relation to the marked differences of the T. cruzi tropism toward the different types of sternum cells, and, additionally, we outline the possibility of transmitting parasitized bone marrow through transplants.
bonegrafts.researchtoday.net /archive/3/5/974.htm   (295 words)

  
 Human Infection with Trypanosoma cruzi   Induces Parasite Antigen-Specific Cytotoxic T Lymphocyte Responses -- Wizel ...
cruzi infection (16) and by peptide immunization (36).
Glimcher (1996) Trypanosoma cruzi infection in MHC-deficient mice: further evidence for the role of both class I- and class II-restricted T cells in immune resistance and disease.
Olivares-Villagomez, C.L. Vnencak-Jones, T.L. McCurley, and C.E. Carter (1997) Detection of Trypanosoma cruzi with the polymerase chain reaction and in situ hybridization in infected murine cardiac tissue.
www.jci.org /cgi/content/full/102/5/1062   (7047 words)

  
 A Cytosolic Serine Endopeptidase from Trypanosoma cruzi Is Required for the Generation of Ca2+ Signaling in Mammalian ...
The exit of Trypanosoma cruzi from the phagosome is inhibited by raising the pH of acidic compartments.
Trypanosoma cruzi: mechanism of entry and intracellular fate in mammalian cells.
Trypanosoma cruzi: recognition of trypomastigote surface antigens by lytic antisera from mice resistant to acute infection.
www.jcb.org /cgi/content/full/136/3/609   (7479 words)

  
 Immunization with cDNA Expressed by Amastigotes of Trypanosoma cruzi Elicits Protective Immune Response against ...
Nucleotide sequence and transcription of a trypomastigote surface antigen gene of Trypanosoma cruzi.
Trypanosoma cruzi amastigote adhesion to macrophages is facilitated by the mannose receptor.
Interleukin 10 and interferon gamma regulation of experimental Trypanosoma cruzi infection.
iai.asm.org /cgi/content/full/71/5/2744   (8038 words)

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