Ophélie Le Chapelain, Soumaya Jadoui, Angèle Gros, Samir Barbaria, Keltouma Benmeziane, Véronique Ollivier, Sébastien Dupont, Mialitiana Solo Nomenjanahary, Sabrina Mavouna, Jasmina Rogozarski, Marie-Anne Mawhin, Giuseppina Caligiuri, Sandrine Delbosc, Françoise Porteu, Bernhard Nieswandt, Pierre H Mangin, Yacine Boulaftali, Benoit Ho-Tin-Noé
BACKGROUND: How platelets interact with and influence the tumor microenvironment (TME) remains poorly characterized. METHODS: We compared the presence and participation of platelets in the TME of two tumors characterized by highly different TME, PyMT AT-3 mammary tumors and B16F1 melanoma. RESULTS: We show that whereas firmly adherent platelets continuously line tumor vessels of both AT-3 and B16F1 tumors, abundant extravascular stromal clusters of platelets from thrombopoietin-independent origin were present only in AT-3 mammary tumors...
March 16, 2024: Journal of Experimental & Clinical Cancer Research: CR