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000870645.pdf: 525092 bytes, checksum: 20064957cf347be120a7f3cbbb1f7137 (MD5) / Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) / Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES) / Dogs infected with Leishmania infantum showed a reduction in the number of lymphocytes T. PD-1 (Programmed cell death 1) a new member of the B7-CD28 family, it is expressed by cells of the immune system and its binding to PD-L1 (CD274) or PD-L2 (CD273) induces deactivation of T cells or apoptosis. This study aimed to evaluate the PD-1 expression and its ligands as well as their role in T lymphocyte induction of apoptosis, TNF-α and IL-4 secretion, nitric oxide production and parasite load in dogs with visceral leishmaniasis. We observed that in canine visceral leishmaniasis PD-1 and its ligands involved in induction of apoptosis of T lymphocytes, are regulating the nitric oxide production, TNF-α, IL-4, as well as the parasitic load. This study helps to clarify the mechanism of immune response and immunotherapeutic drugs such as blocking monoclonal antibodies that can influence the LVC / FAPESP: 2013/066849
| Identifer | oai:union.ndltd.org:IBICT/oai:repositorio.unesp.br:11449/144050 |
| Date | 04 December 2015 |
| Creators | Chiku, Vanessa Marim [UNESP] |
| Contributors | Universidade Estadual Paulista (UNESP), Lima, Valéria Marçal Felix de [UNESP] |
| Publisher | Universidade Estadual Paulista (UNESP) |
| Source Sets | IBICT Brazilian ETDs |
| Language | Portuguese |
| Detected Language | English |
| Type | info:eu-repo/semantics/publishedVersion, info:eu-repo/semantics/masterThesis |
| Format | 67 f. |
| Source | Aleph, reponame:Repositório Institucional da UNESP, instname:Universidade Estadual Paulista, instacron:UNESP |
| Rights | info:eu-repo/semantics/openAccess |
| Relation | -1, -1 |
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