Journal
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
Volume 22, Issue 6, Pages -Publisher
MDPI
DOI: 10.3390/ijms22063186
Keywords
endoglin; tumor; microenvironment; targeted therapy; biomarker
Funding
- US Department of Defense [W81XWH-16-1-0131]
- Fundacion Proyecto Neurofibromatosis
- FPU PhD Fellowship (Ministry of Science, Innovation and Universities, Government of Spain)
- MINECO-FEDER [RTC-2014-2102-1, PI17-000464]
- PAIDI [P18-RT-735]
- Buesa Grant2019
- Juan de la Cierva Contract from MINECO
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Endoglin has been identified as a potential disease biomarker and therapeutic target, playing various roles in physiological and pathological processes. It acts as a co-receptor in the TGF beta pathway and can also be released in soluble form to affect cell signaling. In cancer, endoglin may contribute to both oncogenic and non-oncogenic phenotypes, opening up possibilities for targeted therapies within the tumor microenvironment.
A spotlight has been shone on endoglin in recent years due to that fact of its potential to serve as both a reliable disease biomarker and a therapeutic target. Indeed, endoglin has now been assigned many roles in both physiological and pathological processes. From a molecular point of view, endoglin mainly acts as a co-receptor in the canonical TGF beta pathway, but also it may be shed and released from the membrane, giving rise to the soluble form, which also plays important roles in cell signaling. In cancer, in particular, endoglin may contribute to either an oncogenic or a non-oncogenic phenotype depending on the cell context. The fact that endoglin is expressed by neoplastic and non-neoplastic cells within the tumor microenvironment suggests new possibilities for targeted therapies. Here, we aimed to review and discuss the many roles played by endoglin in different tumor types, as well as the strong evidence provided by pre-clinical and clinical studies that supports the therapeutic targeting of endoglin as a novel clinical strategy.
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