Results 151 to 160 of about 41,153 (223)

Hypoattenuated Leaflet Thickening After TAVR: Incidence, Predictors, and the Role of Platelet Reactivity: A Prospective Multicenter Observational Study. [PDF]

J Clin Med
Jimenez-Quevedo P, Espejo-Paeres C, Spione F, Hennessey B, McInerney A, Marroquin L, Bernardo E, Ortega-Pozzi MA, Tirado-Conte G, Macaya F, Cabeza B, Martín Lores I, Salinas P, Nuñez-Gil I, Mejía-Rentería H, Fernández-Ortiz A, Gómez De Diego JJ, Perez-Villacastin J, Escaned J, Bustos A, Sabate M, Agustin Loeches A, Gonzalo N, Nombela-Franco L, Regueiro A, Pozo Osinalde E.   +25 more
europepmc   +1 more source

Autonomous Navigation of Pollen‐Inspired Magnetic Microrobots for Biomedical Applications

Advanced Robotics Research, EarlyView.
A sunflower pollen‐inspired magnetic microrobot enables controlled rolling navigation in vessel‐like environments. Its open geometry reduces hydrodynamic drag, while vision‐based closed‐loop control, shortest‐path planning, and reinforcement learning support target‐reaching and maze navigation with microrobot‐scale accuracy, highlighting a route toward
Ali Anil Demircali, Abdurrahim Yilmaz, Meysam Keshavarz, Jinshi Zhao, Ara Darzi, Eric Yeatman, Burak Temelkuran   +6 more
wiley   +1 more source

One Scientist's Noise Is Another's Signal: Rethinking Physiological Noise in Addiction Functional Magnetic Resonance Imaging. [PDF]

Biol Psychiatry Glob Open Sci
Sutherland MT.
europepmc   +1 more source

Inhibition of IGFBP4 in Granulosa Cells Improves Reproductive Performance and Maintains Fertility With Age via YAP Signaling

Advanced Science, EarlyView.
IGFBP4 is upregulated in granulosa cells of aged ovaries across monkeys, mice, and humans. It inhibits YAP signaling, thereby suppressing cell proliferation and contributing to follicular dysfunction. Deletion of Igfbp4 in granulosa cells enhances ovulatory output, improves hormone profiles, and reproductive performance in aged female mice, suggesting ...
Qianhui Hu, Ajun Geng, Ziyuan Li, Fanghao Guo, Jingqiang Wang, Xinyi Chen, Meiling Zhang, Yi Arial Zeng, Wen Li   +8 more
wiley   +1 more source

Perivascular Matrix Densification Dysregulates Angiogenesis and Activates Pro‐Inflammatory Endothelial Cells

Advanced Science, EarlyView.
Perivascular matrix densification promotes the emergence of aberrant endothelial tip cells (ATECs) that invade and persist within fibrotic microenvironments. Using in vivo lineage tracing and a human microvessel model, this study shows that fibrous matrix cues destabilize VE‐cadherin–mediated junctions to gate TGF‐β signaling, inducing a pro ...
Jingyi Xia, William Y. Wang, Kyle A. Jacobs, Kairav Maniar, Daphne Lin, Evan H. Jarman, Daniel L. Matera, Kristen Loesel, Christopher D. Davidson, Harrison L. Hiraki, Xiaotian Tan, Eve H. Shikanov, Robert N. Kent, Carole Parent, Xudong Fan, Ariella Shikanov, Matthew L. Kutys, Brendon M. Baker   +17 more
wiley   +1 more source

Identifying the state of cerebrovascular autoregulation using the pressure reactivity index versus the mean flow index: Why metric matters. [PDF]

J Cereb Blood Flow Metab
Olakorede I, Bögli SY, Czosnyka M, Smielewski P.   +3 more
europepmc   +1 more source

A Pentaradial and Bilateral Combined Photoreception System in the Sea Cucumber is Mediated by a Blue Light‐Sensitive R‐Opsin

Advanced Science, EarlyView.
The sea cucumber Holothuria leucospilota detects blue and adjacent wavelengths of light via an r‐opsin with a maximum absorption at 459 nm. In the oral tentacles, papillae, and tube feet, distinct light‐sensing structures with specialized morphologies are formed, constituting a unique pentaradial and bilateral combined photoreception system.
Jiasheng Huang, Chunhua Ren, Zhou Qin, Yimeng Cui, Bingbing Zhang, Peng Luo, Xuan Wang, Yaoqi Xie, Xin Zhang, Aifen Yan, Yang Zhang, Dingding Fan, Yang Liu, Wenjie Pan, Xiao Jiang, Lihong Yuan, Haipeng Qin, David M. Irwin, Chaoqun Hu, Yang Liu, Ting Chen   +20 more
wiley   +1 more source

A Follow-Up Study of the Supraaortic and Intracranial Vessels, Cerebrovascular Reactivity, Brain Vascular Lesions and Atrophy in Patients with Rheumatoid Arthritis. [PDF]

J Clin Med
Sas A, Jónyer D, Valikovics A, Kostyál L, Oláh Z, Hodosi K, Kardos Z, Oláh C, Szekanecz Z.   +8 more
europepmc   +1 more source

A 3D Human Bone and Bone Marrow‐on‐a‐Chip Model for In Vitro Bone Remodeling and Immune Cell Maintenance

Advanced Science, EarlyView.
This study presents a human Bone (and Bone Marrow)‐on‐a‐Chip model based on native human bone scaffolds and autologous cells. Dynamic perfusion and sequential cell seeding replicate the physiological bone remodeling process in vitro, enabling the long‐term culture of functional, mature bone marrow immune subpopulations.
Nina Stelzer, Melanie‐Jasmin Ort, Kristian Händler, Emely Bortel, Ioanna Maria Dimitriou, Martin Textor, Georg N. Duda, Janosch Schoon, Uwe Marx, Uwe Kornak, Annika Winter, Bernhard Hesse, Stefanie Donner, Sebastian Hardt, Oliver Klein, Simon Reinke, Malte Spielmann, Sven Geißler   +17 more
wiley   +1 more source

Rheopheresis, but Not Phlebotomy, Improves Cerebral Vascular Response to Hypercapnia and Neuronal Activation. [PDF]

Biomedicines
Sulina D, Rab-Bábel SK, Varga Á, Mátrai ÁA, Gál K, Soltész P, Németh N, Oláh L.   +7 more
europepmc   +1 more source