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image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Universidade de Lisb...arrow_drop_down
image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
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O efeito antineoplásico da heparina de baixo peso molecular : revisao teórica

Authors: Cunha, Clara Isabel Valério e;

O efeito antineoplásico da heparina de baixo peso molecular : revisao teórica

Abstract

A associação entre o cancro e o Tromboembolismo Venoso (TEV) é reconhecida há mais de um século, sendo o TEV considerado um desafio na abordagem de doentes com neoplasia. A terapêutica anticoagulante é segura e eficaz para a profilaxia e terapêutica do TEV nos doentes com neoplasia. Estão documentadas evidências do potencial antineoplásico da Heparina de Baixo Peso Molecular (HBPM), nomeadamente a nível da interferência com a hipercoagulabilidade induzida pela neoplasia, proliferação das células tumorais, angiogénese, interacção entre as plaquetas e as células tumorais mediada pela selectina, sinalização de quimiocinas, degradação da matriz extracelular, progressão tumoral e metastização. O principal objetivo desta revisão é discutir os potenciais mecanismos antineoplásicos da HBPM e apresentar o conhecimento resultante de vários estudos in vitro e in vivo das propriedades antineoplásicas da HBPM. Os resultados dos ensaios clínicos disponíveis sugerem a HBPM como um agente promissor no âmbito da terapêutica adjuvante de doentes com neoplasia, contudo são necessários ensaios clínicos com uma amostra maior para confirmar o efeito antineoplásico da HBPM e aprovar a sua utilização com o intuito de aumentar a sobrevida de doentes com neoplasia.

The association between cancer and venous thromboembolism (VTE) has been acknowledged for more than an century, and VTE represents a major challenge in management of cancer patients. Anticoagulant therapy is safe and efficacious for prophylaxis and treatment of VTE in patients with cancer. There is strong evidence that LMWH (Low-Molecular-Weight Heparin) interference with cancer-induced hypercoagulation, cancer cell proliferation, angiogenesis, selectin-mediated binding of platelet and cancer cells, chemokine signaling, degradation of extracellular matrix, tumour progression and metastasis. The main objective of this review is to discuss the pothencial mechanism of this antineoplastic effect and present the existing knowledge from several in vitro and in vivo experiments of anti-cancer properties of LMWH. The results of the available studies seem promising but large clinical trials are necessary in order to confirm the antineoplastic effect of the LMWH and to approve them for standard anticancer treatment.

Trabalho Final do Curso de Mestrado Integrado em Medicina, Faculdade de Medicina, Universidade de Lisboa, 2015

Country
Portugal
Related Organizations
Keywords

Domínio/Área Científica::Ciências Médicas, Heparina, Heparina de baixo peso molecular, Hematologia, Tromboembolia venosa, Neoplasias

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    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Related to Research communities
Cancer Research
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