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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Estudo da nucleosídeo trifosfato difosfohidrolase (NTPDase 1) de Leishmania infantum e expressão de uma nova proteína recombinante visando o controle de parasitoses de interesse veterinário

Maia, Ana Carolina Ribeiro Gomes 04 May 2015 (has links)
Submitted by Geandra Rodrigues (geandrar@gmail.com) on 2018-04-04T18:08:27Z No. of bitstreams: 1 anacarolinaribeirogomesmaia.pdf: 687971 bytes, checksum: 19edf64a9349768df07f14662c3d6df6 (MD5) / Approved for entry into archive by Adriana Oliveira (adriana.oliveira@ufjf.edu.br) on 2018-04-05T11:27:48Z (GMT) No. of bitstreams: 1 anacarolinaribeirogomesmaia.pdf: 687971 bytes, checksum: 19edf64a9349768df07f14662c3d6df6 (MD5) / Made available in DSpace on 2018-04-05T11:27:48Z (GMT). No. of bitstreams: 1 anacarolinaribeirogomesmaia.pdf: 687971 bytes, checksum: 19edf64a9349768df07f14662c3d6df6 (MD5) Previous issue date: 2015-05-04 / PROQUALI (UFJF) / A NTPDase 1 (50 kDa) de promastigotas de Leishmania infantum foi purificada por eletroforese em gel não-desnaturante. A identidade desta proteína ou de seu domínio B conservado (r83-122) foi confirmada por “Western blots” utilizando soros imunes produzidos contra a apirase de batata (SA), r-potDomínioB (SB), um polipeptídeo recombinante derivado do domínio B desta proteína vegetal, e LbB1LJ (SC; r82-103) e LbB2LJ (SD; r102-121), peptídeos sintéticos derivados do domínio B da NTPDase 1 de L. braziliensis. Sua antigenicidade foi evidenciada em “Western blots” pela reatividade com soros de cães com leishmaniose visceral. Os soros imunes SC ou SD inibiram sua atividade (87-99%) em preparação de promastigotas, sugerindo um efeito direto sobre o domínio B. Por ELISA, 45-50% de 38 cães infectados foram soropositivos para LbB1LJ e LbB2LJ confirmando a antigenicidade deste domínio. / The NTPDase 1 (50 kDa) of Leishmania infantum promastigotes was purified by nondenaturing gel electrophoresis. The identity of this protein or of its conserved domain B (r83-122) was confirmed by Western blots using immune sera raised against potato apyrase (SA); r-potDomainB (SB), a recombinant polypeptide derived from the B domain of this vegetable protein, and LbB1LJ (SC; r82-103) and LbB2LJ (SD; r102-121), synthetic peptides derived from the B domain of the L. braziliensis NTPDase 1. Its antigenicity was evidenced in Western blots by the reactivity with serum samples from dogs with visceral leishmaniasis. The immune sera SC and SD inhibited its activity (87- 99%) in promastigotes preparation, suggesting a direct effect on the B domain. By ELISA, 45-50% of 38 infected dogs were seropositive for LbB1LJ and LbB2LJ confirming the antigenicity of this domain.

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