Alejandra Hernandez on Muck Rack

Alejandra Hernandez

Verified
México
As seen in: Badhombre Magazine, MSN, MSN España, Nature, BMJ Open, Cisco Blogs, El Español, MDPI, The Conversation, El Tiempo, Universidad Complutense de Madrid and
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Articles

Endothelial extracellular vesicles preserve vascular smooth muscle cell identity but do not reverse endothelial senescence

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By Úrsula Zúñiga-Cuevas, Leslye Venegas-Zamora, Magda C Díaz-Vesga, Ximena Calle-Chalco, Andrés Ramírez-Reyes, Alejandra Hernandez Verified, Sebastián Urquiza-Zurich, Mayarling F. Troncoso, Ignacio Norambuena-Soto, Mario Chiong, Valentina Parra, Sergio Lavandero, Jaime A. Riquelme, Vania Otárola-Urrutia, Camila López-Torres, Javiera Favi-Coloma, Constanza Rimassa-Taré, Danica Jiménez-Gallegos
| Nature Verified
Abstract Vascular aging is characterized by endothelial senescence and vascular smooth muscle cell (VSMC) phenotypic switching, yet the role of endothelial extracellular vesicles (EVs) in these processes remains unclear. We show that EVs from non-senescent endothelial cells prevent PDGF-BB–induced VSMC dedifferentiation, preserving contractile markers and limiting migration.
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Arkansas State chancellor Todd Shields celebrated ahead of system president role

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By Alejandra Hernandez Verified
| KAIT-TV (Jonesboro, AR) Verified
JONESBORO, Ark. (KAIT) - Arkansas State University celebrated Chancellor Dr. Todd Shields after the university announced he will take on a new role as president of the Arkansas State University System. Shields arrived at Arkansas State University in 2022 as the fourth appointed chancellor and the 14th individual to lead the university. The university announced his appointment to the system’s top job May 26, and he will become the fourth president of the Arkansas State University System.
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Del Objeto Real al Plano Perfecto: Exploraciones en Geometría Descriptiva #ESCAT #UNINTER #ProyectosESCAT

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By Alejandra Hernandez Verified
| Uninter
Se asigno un objeto vehicular a cada estudiante al cual realizaron un análisis automotriz a los diferentes modelos contemporáneos. Iniciando el proceso identificando sus dimensiones principales: largo, ancho, altura y distancia entre ejes. El proyecto desarrollado por los estudiantes en la materia de Geometría Descriptiva consistió en la representación técnica de distintos vehículos mediante vistas ortográficas, integrando principios fundamentales del dibujo técnico, la proporción y la escala.
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