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Master's Dissertation
DOI
https://doi.org/10.11606/D.87.2010.tde-29092010-153428
Document
Author
Full name
Jose Antonio Portes Junior
Institute/School/College
Knowledge Area
Date of Defense
Published
São Paulo, 2010
Supervisor
Committee
Magalhães, Geraldo Santana (President)
Dagli, Maria Lucia Zaidan
Gomes, Ligia Ferreira
Title in Portuguese
Detecção da proteína PLP2 em glioblastomas.
Keywords in Portuguese
Anticorpos (Produção)
Astrócitos
Células (Distribuição )
Clonagem
Glioblastoma
PLP2
Abstract in Portuguese
Recentemente, com o intuito de identificar genes associados com invasão e proliferação tumoral, identificamos por PCR em tempo real, um aumento de aproximadamente cem vezes da proteína PLP2 em glioblastomas em relação a tecidos normais. Até o momento não há nenhum relato da identificação desta proteína em astrocitomas. Portanto, neste trabalho clonamos e expressamos em bactérias, as alças externas da PLP2 em fusão com a proteína SUMO, com o objetivo de obtermos anticorpos policlonais para serem usados na identificação da PLP2 em tumor humano por western blotting. Realizamos também a expressão da PLP2 fusionada com a EGFP em células de mamífero, para estudar sua distribuição celular, observamos que a PLP2 se concentra em toda a membrana celular e estudos sobre o transito da PLP2 nas células, indicam que ela possa estar envolvida em processos quimiotáticos via CCR1 sugerindo o envolvimento da PLP2 de alguma forma no processo tumorigênico.
Title in English
Detection of PLP2 protein in glioblastomas.
Keywords in English
Antibodies (Production)
Astrocytes
Cells (Distribution)
Cloning
Glioblastoma
PLP2
Abstract in English
Recently, in order to identify genes associated with tumoral invasion and proliferation, identified by real time PCR, an increase of about one hundred times of PLP2 protein in glioblastomas when compared to normal tissue. So far, there is no report of identification of this protein in astrocytomas. Therefore in this study, we cloned and expressed in bacteria the external handles of PLP2 fused with SUMO protein in order to obtain polyclonal antibodies for use in identifying the PLP2 in human tumor by western blotting. We also expressing the PLP2 fused with EGFP in mammalian cells to study its cellular distribution, we observed that focuses PLP2 across the cell membrane and studies on the traffic of PLP2 cells, indicate that it may be involved in chemotactic processes via CCR1 suggesting the involvement of PLP2 somehow in the tumorigenic process.
 
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Publishing Date
2010-10-21
 
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