Publications by authors named "P Piris"

Background: Pharmacological synergisms are an attractive anticancer strategy. However, with more than 5000 approved-drugs and compounds in clinical development, identifying synergistic treatments represents a major challenge.

Methods: High-throughput screening was combined with target deconvolution and functional genomics to reveal targetable vulnerabilities in glioblastoma.

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Article Synopsis
  • Brain tumors, particularly glioblastoma and medulloblastoma, pose significant health challenges with high mortality rates and severe treatment side effects.
  • Researchers synthesized a new compound, ALK4, which successfully inhibits the survival and movement of these tumor cells, triggering cancer cell death through a process involving reactive oxygen species.
  • The compound was modified to create ALK4-MMPp, which specifically targets tumors without harming normal tissue and showed promising results in innovative models while being safe for use in zebrafish embryos.
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Medulloblastoma (MB) is the most common and aggressive paediatric brain tumour. Although the cure rate can be as high as 70%, current treatments (surgery, radio- and chemotherapy) excessively affect the patients' quality of life. Relapses cannot be controlled by conventional or targeted treatments and are usually fatal.

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Background: Medulloblastoma is the most frequent brain malignancy of childhood. The current multimodal treatment comes at the expense of serious and often long-lasting side effects. Drug repurposing is a strategy to fast-track anti-cancer therapy with low toxicity.

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Subtotal reduction (60%-70%) of blood flow in the circumflex artery in anaesthetized open-chest dogs caused a long-lasting increase (222%) in coronary vascular resistance and stable changes in myocardial segmental contractility (% delta L), as measured by the method of piezoelectric crystals. % delta L increased by 31.2% in the healthy zone while hypokinesia occurred in the moderately ischaemic zone (-50.

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