Database : HANSEN Search on : TATUS [Subject descriptor] References found : 79 [refine] Displaying: 1 .. 20   in format [Detailed]

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Id: 19805 Author: Rivero-Nava, Laura; Quesada-Pascual, Fausto; Estrada-Garcia, Iris; Estrada-Parra, Sergio; Santos-Argumedo, Leopoldo. Title: Cellular immune responses of health and Mycobacterium leprae-inoculated armadillos (Dasypus novemcinctus). Source: Int. J. Lepr;66(4):485-487, Dec. 1998. graf. Descriptors: Tatus/genet Hanseníase Virchowiana/imunol Mycobacterium leprae/imunol Limits: Animais Electronic Medium: http://hansen.bvs.ilsl.br/textoc/revistas/intjlepr/1998/pdf/v66n4/v66n4cor02.pdf / en Location: BR191.1

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Id: 19784 Author: Tzue-Chun, Liu; Zhong-Min, Ji; Skinsnes, Olaf K. Title: Light and electron-microscopic study of M. leprae infected Armadillo Neves. Source: Int J Lep;57(1):65-72, Mar. 1989. ^bilus, ^btab. Abstract: Lesions in peripheral nerves of armadillos experimentally infected with Mycobacterium leprae were studied by light- and electron-microscopy. Bacilli could be found clearly inside axons of unmyelinated nerve fibers. Heavily bacillated Schwann cells were seen embracing unmyelinated axons with interrupted cytoplasmic membranes. This indicated the initiation of rupture of those cells which were responsible for the liberation of bacilli into the axons. The nerve lesions were divided into three grades according to their severity: grade I showed lesions focalized in the perineurium; grade II lesions were scattered inside nerve tissue; and in grade III lesions the nerve tissues were diffusely affected. No regressive changes, such as fibrosis or scar formation, were seen in the nerve lesions. Bacillated macrophages were not as foamy as those of human lesions, indicating that these bacillated cells were younger or more easily disrupted with a higher turnover than the cells in human lesions. This would promote the spread of lesions in armadillos, and would explain the less foamy appearance of the cells. We found bacilli inside lymphatics surrounding the nerves, substantiating the opinion that lesions spread to peripheral nerves not only by a hematogenous route but also by the lymphatics^ien. Descriptors: Tatus/microbiol Nervos Periféricos/microbiol Nervos Periféricos/patol Nervos Periféricos/ultraest Mycobacterium leprae/imunol Limits: Animais Electronic Medium: http://hansen.bvs.ilsl.br/textoc/revistas/intjlepr/1989/pdf/v57n1/v57n1a09.pdf / en Location: Br191.1

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Id: 19683 Author: Argumedo, Leopoldo Santos; Infante, Fernando Guerra; Pascual, Fausto Quesada; Parra, Sergio Estrada. Title: Identification and Purification of Armadillo (Dasypus novemcinctus) Immunoglobulins: Preparation of Specific Antisera to Evaluate the Immune Response in These Animals. Source: Int. J. Lepr;63(1):56-61, 1995. ^bilus, ^btab, ^bgraf. Abstract: Resumo: In this work we describe the purification and characterization of armadillo immunoglobulins. The IgM was precipitated using low-strength ionic solution and further purified by filtration through Sephadex G-200. The IgG was obtained in pure form by precipitation of serum with ammonium sulfate and DEAE-cellulose ion exchange chromatography. The purity of these immunoglobulins was evaluated by polyacrylamide gel electrophoresis. The results showed 28-kDa light chains and 55-kDa and 70-kDa heavy chains for IgG and IgM, respectively. The rabbit antibodies against these molecules were used to prepare fluorescein (FITC) and peroxidase conjugates. The FITC conjugate was used to quantify IgM-bearing lymphocytes. An average of 17% of peripheral blood lymphocytes were sIgM+ from 14 healthy animals. Additionally, in the same animals we quantified lymphocytes with the capacity to form rosettes with sheep red-blood cells; the average for this marker was 10%. Also, the production of crossreacting antibodies to BCG was evaluated in healthy and Mycobacterium leprae-inoculated animals using the peroxidase conjugates. All animals with active infection recognized BCG antigens. Descriptors: Imunoglobulinas/anal Imunoglobulinas/imunol Tatus/genet Electronic Medium: http://hansen.bvs.ilsl.br/textoc/revistas/intjlepr/1995/pdf/v63n1/v63n1a09.pdf / en Location: BR191.1

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Id: 18391 Author: Carvalho, Reinaldo A; Lins-Lainson, Zea C; Lainson, Ralfh Title: Breeding nine-banded armadillos (Dasypus novemcinctus) in captivity ..- Source: s.l; s.n; 1997. 3 p. ilus. Abstract: Armadillos (Dasypus sp.) are a natural host of a number of protozoal and bacterial pathogens of medical and veterinaty importance. To date , it is the best experimental host of leprosy caused by Mycobacterium leprae and can be naturally infected with this organism. Poor survical-rate of armadillos under conventional housing conditions, however, has proved a major obstacle in breeding D. novemcinctus on captivity. Encouraging results are reported for the breeding and survical of this xenarthran in a walled-off area of forest offering an environment similar to the armadillos' natural habitat. One female raised 2 consecutive litters of 2 and 4 offspring, respectively, to adult age. Increased production is anticipated after preparation of a number of these delimited areas of natural environment for breeding purposes (AU). Descriptors: TATUS/cresc TATUS/psicol REPRODUCAO - dasypus novemcinctus  COMPORTAMENTO ANIMAL /psicol  HABITAT Limits: ANIMAL Location: BR191.1; 09303/s

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Id: 18274 Author: Burchfield, H. P; Storrs, Eleanor E; Walsh, G. P; Vidrine, M. F Title: Improved caging for nine-banded armadillos ..- Source: s.l; s.n; 1976. 3 p. ilus. Descriptors: TATUS/clas TATUS/les TATUS/psicol ANIMAIS DE LABORATORIO/clas ANIMAIS DE LABORATORIO/les - ANIMAIS SILVESTRES/les  ANIMAIS SILVESTRES/psicol Limits: ANIMAL Electronic Medium: 00211/s Location: BR191.1; 00211/s

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Id: 18272 Author: Job, Charles K Title: Nine-banded armadillo and leprosy research ..- Source: s.l; s.n; 2003. 10 p. ilus. Abstract: In this presentation an attempt has been made to describe the nine-banded armadillo as an animal model, probably the only one in which lepromatous leprosy similar to that found in humans can be experimentally produced. Some unique features of the physiology of the animal are mentioned. The pathology and the microbiology of leprosy in the armadillo are described in detail. The discovery of lepromatous leprosy in the wild armadillos in the southern parts of United States, the transmission of disease among them through trauma and thorn pricks and the pathogenesis of the disease are presented. The impact of leprosy in the wild animals may have on human leprosy is discussed. (AU). Descriptors: HANSENIASE VIRCHOWIANA/epidemiol HANSENIASE VIRCHOWIANA/etiol HANSENIASE VIRCHOWIANA/patol HANSENIASE VIRCHOWIANA/transm HANSENIASE VIRCHOWIANA/vet TATUS/imunol TATUS/microbiol - MODELOS ANIMAIS  VETERINARIA DE SAUDE PÚBLICA Limits: ANIMAL Location: BR191.1; 00279/s

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Id: 18263 Author: Storrs, E. E; Burchfield, H. P Title: Leprosy in wild common long-nosed armadillos (Dasypus novemcinctus) ..- Source: Melbourne; s.n; Aug. 1981. 13 p. . Descriptors: HANSENIASE/microbiol HANSENIASE/fisiopatol HANSENIASE/reabil HANSENIASE/virol TATUS/fisiol TATUS/virol Limits: ESTUDO COMPARATIVO Location: BR191.1; 01136/d.a

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Id: 17846 Author: Garbino, Jose Antonio; Virmond, Marcos da Cunha Lopes; Almeida, Jorge Antonio de. Title: Nerve conduction study technique in the armadillo. Source: Hansen. int;21(1):10-13, jan.-jun. 1996. ilus, tab. Abstract: The authores present a technique to perform nerve conduction study in armadillos (D. novemcinctus) and suggest that 66.17 m/s could be the mean normal nerve conduction velocity for the sciatic nerve, a parameter that could be used for the peripheral nervous system in this animal, considered the choice for experimental development of leprosy neuropathy and even in other peripheral neuropathies. (AU). Descriptors: Hanseniase/reabilitacao Tatus/fisiologia Tatus/cirurgia Limits: RELATO DE CASO ANIMAL Electronic Medium: http://hansen.bvs.ilsl.br/textoc/hansenint/v21aov29/1996/PDF/v21n1/v21n1a01eng.pdf / en Location: BR191.1

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Id: 17616 Author: Lopez-Hurtado, Marcela; Flores-Medina, Saul; Díaz-García, Francisco J; Guerra-Infante, Fernando M Title: Partial characterization of phagocytic activity in neutrophils of the nine-banded armadillo Dasypus novemcinctus ..- Source: s.l; s.n; 2005. [7] p. tab. Descriptors: Animais Tatus/*IM Atividade Bactericida do Sangue Quimiotaxia de Leucócito/DE Endocitose Escherichia coli/IM Humanos In Vitro Cinética Hanseníase/IM Monócitos/IM N-Formilmetionina Leucil-Fenilalanina/PD Neutrófilos/DE/*IM Proteínas Opsonizantes/IM Fagocitose/* Location: BR191.1; 09349/S

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Id: 17449 Author: Storrs, Eleanor E Title: Tables and figures ?- Source: s.l; s.n; s.d. 23p p. . Descriptors: TATUS/cresc TATUS/imunol MYCOBACTERIUM LEPRAE/patogen INFECCAO LABORATORIAL Limits: ANIMAL Location: BR191.1; 01101/d.a

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Id: 17442 Author: Storrs, E. E; Burchfield, H. P Title: Gestation periods of twenty months in armadillos ?- Source: s.l; s.n; s.d. 10p p. . Abstract: The gestation period of wild armadillos in United States is believed to be 8 months, including a 3 1/2 month interval of embryonic diapause. Four animals captured in november of 1979, presumably 3 to 4 months after ovulation, proced young an average of 16 months later, indicating a gestation period of nearly 20 months. One of these animals bore 2 litters, 5 1/2 months and 17 months after capture respectively. None of these females had contact with males during captivity. The results suggest that embryonic diapause was prolonged for a year by stress of confinement, or that sperm survived for a year in the reproductive organs of the females. Descriptors: TATUS/cresc MYCOBACTERIUM LEPRAE/isol Limits: ANIMAL Location: BR191.1; 01102/d.a; BR191.1; 01103/d.a

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Id: 17437 Author: Burchfield, H. P; Storrs, E. E; Walsh, G. P; Green, L. L Title: Metabolic dispositions of dapsona by armadillos ?- Source: s.l; s.n; s.d. 19p p. . Descriptors: TATUS/metab MYCOBACTERIUM LEPRAE/patogen DAPSONA/farmacocin Limits: ANIMAL Location: BR191.1; 01100/d.a; BR191.1; 01112/d.a

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Id: 17436 Author: Burchfield, H. P; Storrs, E. E; Walsh, G. P; Green, L. L Title: Metabolic disposition of dapsona by armadillos ?- Source: s.l; s.n; s.d. 19p p. . Descriptors: TATUS/metab MYCOBACTERIUM LEPRAE/patogen DAPSONA/farmacol Limits: ANIMAL Location: BR191.1; 01112/d.a

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Id: 17383 Author: Storrs, Eleanor E Title: The astonishing armadillo ..- Source: s.l; s.n; 1982. 11 p. ilus, mapas. Descriptors: TATUS/clas TATUS/cresc TATUS/imunol TATUS/microbiol ANTIGENO DE MITSUDA/isol HANSENIASE Limits: ANIMAL Location: BR191.1; 00561/s

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Id: 17381 Author: Walgate, Robert Title: Armadillos fight leprosy ..- Source: s.l; s.n; 1981. 1 p. . Descriptors: HANSENIASE/imunol HANSENIASE/microbiol TATUS/imunol TATUS/microbiol Limits: ANIMAL Location: BR191.1; 00550/s

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Id: 17375 Author: Anon*. Title: Hanseníase experimental em tatus ?- Source: Belém; s.n; 1980. 7p p. . Descriptors: TATUS HANSENIASE/vet Limits: ANIMAL Location: BR191.1; 00267/s

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Id: 17299 Author: Deps, Patricia Duarte; Faria, Lorena Vidigal; Goncalves, Valeria Cristina; Silva, Debora Azolin; Ventura, Cristine Gotardo; Zandonade, Eliana. Title: Aspectos epidemiologicos da transmissao da hanseniase em relacao a exposicao ao tatu / Epidemiological features of the leprosy transmission in relation to armadillo exposure Source: Hansen. int;28(2):138-144, jul.-dez. 2003. tab, graf. Abstract: A transmissao da hanseniase ainda hoje e um tema que necessita de estudos. Alguns autores demonstram a possibilidade dos tatus da especie Dasypus Novemcinctus serem uma fonte ambiental do Mycobacterium leprae. O inquerito epidemiologico realizado verifica a correlacao do contato seres humanos com tatus e a ocorrencia de hanseniase. Discute-se, ainda, uma serie de fatores que podem ser envolvidos no processo dinamico do desenvolvimento da hanseniase. O objetivo foi verificar a frequencia dos contatos dos hansenianos com tatus e o interhumano antes do seu diagnostico, visando estabelecer uma possivel forma de transmissao do M. leprae ao ser humano atraves do contato com tatus. Foram realizadas entrevistas com 107 pacientes ex-hansenianos (hansenianos ja tratados com PQT) que moravam no Hospital-Colonia Dr. Pedro Fontes em Cariacica/ES, 29 hansenianos e 173 nao hansenianos de um servico de dermatologia. O questionario coletou dados sobre o consumo de carne de tatu antes do diagnostico, a existencia de contatos conhecidos e/ou familiares portadores de hanseniase. Os dados foram analisados pela realizacao do teste do Qui-quadrado, correlacao e teste exato de Fisher. Encontrou-se que 90,4% dos pacientes portadores de hanseniase ou ex-hansenianos consumiram carne de tatu antes do diagnostico de hanseniase, enquanto 15% dos nao hansenianos consumiram carne de tatu. No grupo de hansenianos sem contatos com outros pacientes com hanseniase antes do diagnostico, 96,1% ja tinham consumido carne de tatu e apenas 3,9% nao o fizeram. O trabalho sugere um possivel fonte de M. leprae atraves do consumo de carne de tatu, principalmente, nos hansenianos sem historia de contatos com outros pacientes portadores de hanseniase antes do seu diagnostico. (AU). Descriptors: HANSENIASE/epidemiol HANSENIASE/transm EPIDEMIOLOGIA - TATUS Limits: ANIMAL Electronic Medium: http://hansen.bvs.ilsl.br/textoc/hansenint/v21aov29/2003/PDF/v28n2/v28n2a02.pdf / pt Location: BR191.1

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Id: 14399 Author: Deps, Patrícia Duarte Title: Pesquisa de Mycobacterium leprae em tatus selvagens da espécie Dasypus Novencintus do Estado do Espírito Santo Mycobacterium leprae research in wild armadillos of the Dasypus novemcinctus specie from Espirito Santo state- Source: São Paulo; s.n; 2003. xviii,145 p. ilus, tab. Thesis: Present for Universidade Federal de São Paulo. Escola Paulista de Medicina presented for the degree Doutor. Abstract: Introducao: Realizou-se um estudo de prevalencia em 52 tatus selvagens da especie Dsypus novemcinctus, capturados no estado do Espirito Santo, no periodo de junho de 2000 a julho de 2001. Objetivos: Estudar a prevalencia da infeccao pelo Mycobacterium leprae e compara-la aos trabalhos publicados na literatura, bem como avaliar e comparar os metodos utilizados para deteccao da infeccao. Metodos: Apos anestesiados, os tatus foram pesados, determinado o sexo, submetidos a exame clinico e coleta de fragmento de orelha para estudos histopatologicos (hematoxilina-eosina e Ziehl-Neelsen), imunohistoquimicos com anti-BCG, e fragmentos de orelha, pele, pata e lesao cutanea para a tecnica de PCR. Vinte tres tatus foram necropsiados e fragmentos de figado, baco, cerebro, pulmao, rim e intestino foram obtidos para a tecnica de PCR. Resultados e conclusoes: Nao foram evidenciadas lesoes de hansenomas e apenas um tatu apresentou linfadenomegalia palpavel na regiao inguinal dentre os 52 tatus examinados. Nao foi evidenciado quadro histopatologico compativel com nenhuma das formas de hanseniase pela coloracao de hematoxilina-eosina, e nao foi evidenciado presenca de BAAR pela tecnica de Ziehl-Neelsen, nem imunoexpressao do marcador BCG compativel com M. leprae. Foi detectada 10,6 porcento de soro-prevalencia de anticorpos IgM anti-PGL-I, e 11,9 porcento de positividade nas amostras de sangue, atraves da tecnica de PCR. Foi detectada 52,8 porcento de positividade na pesquisa de DNA de M. leprae nos fragmentos de tecidos (pele, orelha, lesao, pata, figado, baco, pulmao, cerebro, rim e intestino) atraves da tecnica de PCR. Dos tecidos testados, o cerebro foi o orgao onde mais se encontrou positividade pela tecnica de PCR (40,9 porcento), seguido da pele (22,2 porcento), orelha (20 porcento), pulmao (13,6 por cento), baco (13 porcento), pata (11,5 porcento), lesao cutanea (11,1 porcento), figado (8,7 porcento), rim (8,7 porcento) e intestino (4,5 porcento). O metodo diagnostico mais sensivel para deteccao de M. leprae foi o PCR dos tecidos, seguido do PCR do sangue e pesquisa de anticorpos anti-PGL-I atraves da tecnica de ELISA. (AU). Descriptors: HANSENIASE/microbiol TATUS/microbiol - MYCOBACTERIUM LEPRAE/patogen Location: BR191.1; WC335.403, D442p

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Id: 13631 Author: Paige, Christopher F; Scholl, Daniel T; Truman, Richard W Title: Prevalence and incidence density of Mycobacterium leprae and trypanosoma cruzi infections within a population of wild nine-banded armadillos ..- Source: s.l; s.n; 2002. 5 p. ilus, tab, graf. Abstract: A total of 415 wild 9-banded armadillos from the East Atchafalaya River Levee (Point Coupee, LA) were collected over 4 years to estimate the incidence and prevalence of Mycobacterium leprae and Trypanosoma cruzi and to discern any relationship between the 2 agents. M. leprae infections were maintained at a high steady prevalence rate year to year averaging 19 per cent. T. cruzi antibody prevalence remained relatively low, averaging 3.9 per cent, and varied markedly between years. Prevalence rates were independent, with only 3 armadillos coinfected with both agents. M. leprae incidence density ranged from 0.47 to 3.5 cases per 1,000 animal-days, depending on case definition, confirming active intense transmission of M. leprae among armadillos. No incident T. cruzi cases were found. These infections seem to occur independently and may be used in comparisons to understand better factors that may influence transmission of these agents. (AU). Descriptors: ANTICORPOS ANTIBACTERIAS/anal ANTICORPOS ANTIPROTOZOARIOS/anal TATUS/microbiol DOENCA DE CHAGAS/epidemiol DOENCA DE CHAGAS/vet RESERVATORIOS DE DOENCAS/vet HANSENIASE/epidemiol HANSENIASE/vet INCIDÊNCIA MYCOBACTERIUM LEPRAE/isol DENSIDADE DEMOGRAFICA PREVALÊNCIA ELISA TRYPANOSOMA CRUZI/isol Limits: HUMANO ANIMAL SUPPORT, NON-U.S. GOV'T SUPPORT, U.S. GOV'T, P.H.S. Electronic Medium: http://www.ilsl.br Location: BR191.1; 09000/s

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Id: 13584 Author: Storrs, Eleanor E; Binford, Chapman H; Migaki, George Title: Animal model of human disease: lepromatous leprosy ..- Source: s.l; s.n; sep. 1978. 4 p. ilus. Abstract: The nine-banded armadillo (Dasypus novemcicnctus Linn)(Figure 1) is one of approximately 20 species of armadillos comprising several genera. They belong to the Edentata. D novemcinctus ranges from Central Argentina through Central America, Mexico, the Gulf States, and north-ward into Oklahoma, Arkansas, and Georgia. Among the characteristics which make this animal a useful research model for lepromatous leprosy a) low body temperature (32 to 35C), b) regular production of monozygotic quadruplet young, and c) a long life-spain (estimated to be 15 years). Other biologic characteristics are a) delayed (14 to 16 weeks) implantation period of the blastocyst, b) gestation period of approximately 9 months, c) ability to build up an oxygen debt, and d) occasional variability in band numbers.(AU). Descriptors: HANSENIASE XENARTROS MODELOS ANIMAIS DE DOENCAS TATUS Limits: ANIMAL SUPPORT, U.S. GOV'T, NON-P.H.S. SUPPORT, U.S. GOV'T, P.H.S. Electronic Medium: http://www.ilsl.br Location: BR191.1; 00212/s

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