Results 41 to 50 of about 22,988 (259)

Retinal ischemia induces α-SMA-mediated capillary pericyte contraction coincident with perivascular glycogen depletion

Acta Neuropathologica Communications, 2019
Increasing evidence indicates that pericytes are vulnerable cells, playing pathophysiological roles in various neurodegenerative processes. Microvascular pericytes contract during cerebral and coronary ischemia and do not relax after re-opening of the ...
Luis Alarcon-Martinez, Sinem Yilmaz-Ozcan, Muge Yemisci, Jesse Schallek, Kıvılcım Kılıç, Deborah Villafranca-Baughman, Alp Can, Adriana Di Polo, Turgay Dalkara   +8 more
doaj   +1 more source

Pericytes control vascular stability and auditory spiral ganglion neuron survival

eLife, 2023
The inner ear has a rich population of pericytes, a multi-functional mural cell essential for sensory hair cell heath and normal hearing. However, the mechanics of how pericytes contribute to the homeostasis of the auditory vascular-neuronal complex in ...
Yunpei Zhang, Lingling Neng, Kushal Sharma, Zhiqiang Hou, Anatasiya Johnson, Junha Song, Alain Dabdoub, Xiaorui Shi   +7 more
doaj   +1 more source

Computational Modeling Meets 3D Bioprinting: Emerging Synergies in Cardiovascular Disease Modeling

Advanced Healthcare Materials, EarlyView.
Emerging advances in three‐dimensional bioprinting and computational modeling are reshaping cardiovascular (CV) research by enabling more realistic, patient‐specific tissue platforms. This review surveys cutting‐edge approaches that merge biomimetic CV constructs with computational simulations to overcome the limitations of traditional models, improve ...
Tanmay Mukherjee, Mehdi Salar Amoli, Sarah Rezapourdamanab, Lama Rita El Shammas, Martin L. Tomov, Emilio A. Mendiola, Vahid Serpooshan, Reza Avazmohammadi   +7 more
wiley   +1 more source

Infusible Extracellular Matrix Biomaterial Enhances Cell‐Specific Pro‐Repair Responses Following Acute Myocardial Infarction

Advanced Healthcare Materials, EarlyView.
We measure the cell‐specific responses of administering infusible ECM (iECM) in acute myocardial infarction (MI) across multiple timepoints. Using single‐nucleus RNA sequencing and spatial transcriptomics, we measure macrophage activation, fibroblast remodeling, increased vascular development, lymphangiogenesis, cardioprotection, and neurogenesis ...
Joshua M. Mesfin, Alexander Chen, Quincy P. Lyons, Michael B. Nguyen, Maria L. Karkanitsa, Justin Yu, Van K. Ninh, Emily Gardner, Elyse G. Wong, Sriya N. Paleti, Julian Cheng, Benjamin D. Bridgelal, Kate E. Reimold, Selena Cao, Connor Uhre, Colin G. Luo, Zhenxing Fu, Kevin R. King, Karen L. Christman   +18 more
wiley   +1 more source

A 3D Bioprinted Spheroid‐Laden dECM‐Enriched Osteosarcoma Model for Enhanced Drug Testing and Therapeutic Discovery

Advanced Healthcare Materials, EarlyView.
A 3D biomimetic OS model was developed by bioprinting an OS‐cell‐derived dECM‐enriched bioink with OS spheroids incorporated. The model showed upregulation of known OS prognostic markers and increased resistance to doxorubicin, compared to 2D cultures and scaffold‐free spheroids, making this a more clinically relevant platform for drug discovery ...
Margarida F. Domingues, Maria Catarina Carreira, Mafalda S. Santos, Daniela Pacheco, Frederico Castelo Ferreira, Paola Sanjuan‐Alberte, João Carlos Silva   +6 more
wiley   +1 more source

2313 Characterization of the host pericyte role in glioblastoma angiogenesis

Journal of Clinical and Translational Science, 2018
OBJECTIVES/SPECIFIC AIMS: Glioblastoma (GBM) carries a prognosis of 14.6 months mean survival despite maximal surgical, chemotherapeutic, and radiation therapy.
Frank Attenello, Frank Attenello, Yingxi Wu, Kathleen Tsung, William Mack, Thomas Chen, Berislav Zlokovic   +6 more
doaj   +1 more source

Human Brain Vasculature‐on‐a‐Chip Model Constructed With Microvessels Isolated From Cryopreserved Postmortem Human Brain Tissue

Advanced Healthcare Materials, EarlyView.
This manuscript describes the cultivation of viable microvessels from cryopreserved human brain tissue. When embedded in hydrogels and cultured in microfluidic devices, these microvessels exhibit complex architectures reminiscent of arterioles and capillaries, can be perfused, and display intact barrier function. Collectively, these results demonstrate
Brian J. O'Grady, A. Scott McCall, Samuel Cullison, Daniel Chavarria, Matthew S. Schrag, Ethan S. Lippmann   +5 more
wiley   +1 more source

Mechanisms of the “No-Reflow” Phenomenon After Acute Myocardial Infarction

JACC: Basic to Translational Science, 2023
Summary: Pericytes contract during myocardial ischemia resulting in capillary constriction and no reflow. Reversing pericyte contraction pharmacologically reduces no reflow and infarct size. These findings open up an entire new venue of research aimed at
Sanjiv Kaul, MD, Carmen Methner, PhD, Zhiping Cao, PhD, Anusha Mishra, PhD   +3 more
doaj   +1 more source

Advanced 3D Platforms for Modeling CNS Neuroinflammation: Cell Integration, Techniques, and Challenges

Advanced Healthcare Materials, EarlyView.
This review summarizes the roles of key central nervous system cell types, the extracellular matrix, and the blood‐brain barrier in neuroinflammation, and their integration into diverse 3D culture systems. It examines major incorporation strategies, including direct co‐culture, hydrogel encapsulation, transwell migration assays, and bioprinting ...
Emmanuelle D. Aiyegbusi, Julia Di Stefano, Dearbhaile Dooley   +2 more
wiley   +1 more source

Pericyte pannexin1 controls cerebral capillary diameter and supports memory function

Nature Communications
In the blood-brain-barrier, contractile pericytes fine-tune the capillary resistance and blood supply to meet neuro-metabolic demands; molecular players governing these functions remain unclear.
Sandra Mai-Morente, Eugenia Isasi, Alberto Rafael, Gonzalo Budelli, Silvia Olivera-Bravo, Nathalia Vitureira, Verónica Abudara   +6 more
doaj   +1 more source