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Magnetic Nanobubble Mechanical Stress Induces the Piezo1 ‐Ca2+‐BMP2/Smad Pathway to Modulate Neural Stem Cell Fate and MRI/Ultrasound Dual Imaging Surveillance for Ischemic Stroke
Magnetic nanobubbles (MNBs) assembled from magnetic nanoparticles are fabricated. When interacting with neural stem cells (NSCs), these MNB nanostructures can contract and expand with volumetric oscillation, leading to a change in intramembrane mechanical properties. Therefore, MNBs can serve as acoustic sensors to transduce Piezo1-Ca2+- triggered BMP2/Smad signals regulating NSC development and can be tracked using magnetic resonance and ultrasound dual imaging. AbstractNeural stem cells (NSCs) are used to treat various nervous system diseases because of their self-renewal ability and multidirectional differentiation pote...
Source: Small - June 9, 2022 Category: Nanotechnology Authors: Jing Li, Yao Zhang, Zhichao Lou, Mingxi Li, Lin Cui, Zhenrong Yang, Lijuan Zhang, Yu Zhang, Ning Gu, Fang Yang Tags: Research Article Source Type: research

12 Innovations That Will Change Health Care and Medicine in the 2020s
Pocket-size ultrasound devices that cost 50 times less than the machines in hospitals (and connect to your phone). Virtual reality that speeds healing in rehab. Artificial intelligence that’s better than medical experts at spotting lung tumors. These are just some of the innovations now transforming medicine at a remarkable pace. No one can predict the future, but it can at least be glimpsed in the dozen inventions and concepts below. Like the people behind them, they stand at the vanguard of health care. Neither exhaustive nor exclusive, the list is, rather, representative of the recasting of public health and medic...
Source: TIME: Health - October 25, 2019 Category: Consumer Health News Authors: TIME Staff Tags: Uncategorized HealthSummit19 technology Source Type: news

Prevention of neointimal hyperplasia induced by an endovascular stent via intravenous infusion of mesenchymal stem cells.
CONCLUSIONS: Intravenous infusion of MSCs inhibited the inflammatory reaction to an implanted stent strut, and prevented progressive neointimal hyperplasia in the stented CCA and SCA in a porcine model. Thus, MSC treatment could attenuate the recurrence of cerebral ischemic events after stenting. PMID: 31585431 [PubMed - as supplied by publisher]
Source: Journal of Neurosurgery - October 3, 2019 Category: Neurosurgery Authors: Nakazaki M, Oka S, Sasaki M, Kataoka-Sasaki Y, Onodera R, Komatsu K, Iihoshi S, Hiroura M, Kawaguchi A, Kocsis JD, Honmou O Tags: J Neurosurg Source Type: research

Facilitation of ultrasonic microvesicles on homing and molecular mechanism of bone marrow mesenchymal stem cells in cerebral infarction patients.
CONCLUSIONS: Ultrasound microvesicle facilitated homing of BMSCs in cerebral infarction, and improved infarction disease via up-regulating VEGF expression, inhibiting NF-κB expression, and modulating apoptosis. PMID: 28975970 [PubMed - in process]
Source: European Review for Medical and Pharmacological Sciences - October 5, 2017 Category: Drugs & Pharmacology Tags: Eur Rev Med Pharmacol Sci Source Type: research

Individual and Joint Effects of Early-Life Ambient PM2.5 Exposure and Maternal Prepregnancy Obesity on Childhood Overweight or Obesity
Conclusions: In the present study, we observed that early life exposure to PM2.5 may play an important role in the early life origins of COWO and may increase the risk of COWO in children of mothers who were overweight or obese before pregnancy beyond the risk that can be attributed to MPBMI alone. Our findings emphasize the clinical and public health policy relevance of early life PM2.5 exposure. https://doi.org/10.1289/EHP261 Received: 29 March 2016 Revised: 08 August 2016 Accepted: 23 August 2016 Published: 14 June 2017 Address correspondence to X. Wang, Center on the Early Life Origins of Disease, Department of P...
Source: EHP Research - June 14, 2017 Category: Environmental Health Authors: Daniil Lyalko Tags: Research Source Type: research

E-011 the key role of the blood-brain barrier in the endovascular treatment of brain tumors and how to by-pass it: new methods
ConclusionIA chemotherapy has been reported to be a promising new therapy; clinical studies are necessary to correlate this technique to the new ways of altering the BBB. Furthermore, these new methods could also be used in future scenarios before infusion of stem cells after stroke or brain trauma.DisclosuresS. Peschillo: 2; C; Penumbra. F. Diana: None.
Source: Journal of NeuroInterventional Surgery - July 26, 2015 Category: Neurosurgery Authors: Peschillo, S., Diana, F. Tags: SNIS 12th Annual Meeting Electronic Poster Abstracts Source Type: research

Echocardiographic Evaluation of the Effects of Stem Cell Therapy on Perfusion and Function in Ischemic Cardiomyopathy
Background: Small animal models of ischemic left ventricular (LV) dysfunction are important for the preclinical optimization of stem cell therapy. The aim of this study was to test the hypothesis that temporal changes in LV function and regional perfusion after cell therapy can be assessed in mice using echocardiographic imaging.Methods: Wild-type mice (n = 25) were studied 7 and 28 days after permanent ligation of the left anterior descending coronary artery. Animals were randomized to receive closed-chest ultrasound-guided intramyocardial delivery of saline (n = 13) or 5 × 105 multipotential adult progenitor cell...
Source: Journal of the American Society of Echocardiography - December 5, 2013 Category: Cardiology Authors: Yoichi Inaba, Brian P. Davidson, Sajeevani Kim, Ya Ni Liu, William Packwood, J. Todd Belcik, Aris Xie, Jonathan R. Lindner Tags: Coronary Perfusion and Function Source Type: research