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Targeting lysosomes in colorectal cancer: exploring the anticancer activity of ...

Ferreira, João C. C.; Granja, Sara Costa; Almeida, Ana F.; Baltazar, Fátima; Gonçalves, M. Sameiro T.; Preto, Ana; Sousa, Maria João

Colorectal cancer (CRC) has been ranked as one of the cancer types with a higher incidence and one of the most mortal. There are limited therapies available for CRC, which urges the finding of intracellular targets and the discovery of new drugs for innovative therapeutic approaches. In addition to the limited number of effective anticancer agents approved for use in humans, CRC resistance and secondary effects...


Cancer cells’ metabolism dynamics in renal cell carcinoma patients’ outcome: in...

Morais, Mariana; Dias, Francisca; Nogueira, Inês; Leão, Anabela; Gonçalves, Nuno; Araújo, Luís; Granja, Sara Costa; Baltazar, Fátima; Teixeira, Ana L.

The cancer cells’ metabolism is altered due to deregulation of key proteins, including glucose transporter 1 (GLUT-1), whose mRNA levels are influenced by microRNAs (miRNAs). Renal cell carcinoma (RCC) is the most common and lethal neoplasia in the adult kidney, mostly due to the lack of accurate diagnosis and follow-up biomarkers. Being a metabolic associated cancer, this study aimed to understand the hsa-miR-...


MCT1 is a new prognostic biomarker and its therapeutic inhibition boosts respon...

Miranda-Gonçalves, Vera; Gonçalves, Celine Saraiva; Granja, Sara Costa; Castro, Joana Isabel Martins Cosme Vieira; Reis, Rui M.; Costa, Bruno M.

<i>Background:</i> Glioblastomas (GBMs) present remarkable metabolism reprograming, in which many cells display the “Warburg effect”, with the production of high levels of lactate that are extruded to the tumour microenvironment by monocarboxylate transporters (MCTs). We described previously that MCT1 is up-regulated in human GBM samples, and MCT1 inhibition decreases glioma cell viability and aggressiveness. I...


3-bromopyruvate boosts the effect of chemotherapy in acute myeloid leukemia by ...

Vieira, Joana Margarida Pereira; Celeiro, Sónia Pires; Granja, Sara Costa; Matos, Ana Catarina Barbosa; Preto, Ana; Queirós, Odília; Ko, Young


Immunity, Hypoxia, and Metabolism-the Ménage à Trois of Cancer: Implications fo...

Riera-Domingo, Carla; Audigé, Annette; Granja, Sara Costa; Cheng, Wan-Chen; Ho, Ping-Chih; Baltazar, Fátima; Stockmann, Christian; Mazzone, Massimiliano

It is generally accepted that metabolism is able to shape the immune response. Only recently we are gaining awareness that the metabolic crosstalk between different tumor compartments strongly contributes to the harsh tumor microenvironment (TME) and ultimately impairs immune cell fitness and effector functions. The major aims of this review are to provide an overview on the immune system in cancer; to position...


Non-toxic concentrations of 3-bromopyruvate sensitize acute leukemia cells to c...

Vieira, Joana Margarida Pereira; Granja, Sara Costa; Matos, Ana Catarina Barbosa; Ko, Young; Preto, Ana; Queirós, Odília; Casal, Margarida


3-Bromopyruvate pre-treatment sensitizes MOLM13 and KG-1 cell lines to chemothe...

Vieira, Joana Margarida Pereira; Granja, Sara Costa; Matos, Ana Catarina Barbosa; Ko, Young; Preto, Ana; Queirós, Odília; Casal, Margarida


Fucoidan from Fucus vesiculosus inhibits new blood vessel formation and breast ...

Oliveira, Ana Catarina Freitas Salazar; Granja, Sara Costa; Neves, N. M.; Reis, R. L.; Baltazar, Fátima; Silva, Tiago José Quinteiros Lopes Henriques

Fucoidan is a marine-origin sulfated polysaccharide that can show anticancer activity, to which both pro- and anti-angiogenic responses have been reported. Due to this unpredictability, the angiogenic potential of an effective anticancer crude fucoidan (CF), at a concentration of 0.5 mg mL−1 , was evaluated. Tube formation assays demonstrated that CF, either administered while endothelial cells seeding or after...


Bioenergetic modulators hamper cancer cell viability and enhance response to ch...

Tavares-Valente, Diana; Granja, Sara Costa; Baltazar, Fátima; Queirós, Odília

Gliomas are characterized by a marked glycolytic metabolism with a consequent production of massive amounts of lactate, even in the presence of normal levels of oxygen, associated to increased invasion capacity and to higher resistance to conventional treatment. This work aimed to understand how the metabolic modulation can influence tumour aggressive features and its potential to be used as complementary thera...


Metabolic alterations underlying Bevacizumab therapy in glioblastoma cells

Miranda-Gonçalves, Vera; Carneiro, Diana; Valbom, Inês; Cury, Fernanda Paula; Silva, Viviane Aline; Granja, Sara Costa; Reis, R. M.; Baltazar, Fátima

Anti-VEGF therapy with Bevacizumab is approved for glioblastoma treatment, however, it is known that tumors acquired resistance and eventually became even more aggressive and infiltrative after treatment. In the present study we aimed to unravel the potential cellular mechanisms of resistance to Bevacizumab in glioblastoma in vitro models. Using a panel of glioblastoma cell lines we found that Bevacizumab is ab...


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