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Association of Ferroptosis with Severity and Outcomes in Acute Ischemic Stroke Patients Undergoing Endovascular Thrombectomy: A Case-control Study
AbstractFerroptosis, an iron-dependent form of cell death, is characterized by intracellular accumulation of iron and reactive oxygen species-induced lipid peroxidation. Animal experiments have shown the important roles of ferroptosis in ischemic stroke, but the evidence in human stroke is insufficient. This prospective study evaluated the associations between plasma ferroptosis biomarkers at hyperacute stage and long-term outcomes in patients with acute ischemic stroke undergoing endovascular thrombectomy (EVT). The plasma samples were collected immediately before and after EVT (T1 and T2) and at 24  h (T3) for the 126 s...
Source: Molecular Neurobiology - September 1, 2023 Category: Neurology Source Type: research

Susceptibility-weighted imaging predicts infarct size and early-stage clinical prognosis in acute ischemic stroke
AbstractSusceptibility-weighted imaging (SWI) is a non-invasive technique that can reveal venous structures and iron in the brain. This retrospective study evaluated SWI, relative to other imaging techniques, for determining cerebral infarct size and early-stage clinical prognosis in patients with acute ischemic stroke. Within 3  days after onset, 22 patients with acute ischemic stroke underwent SWI, diffusion-weighted imaging (DWI), perfusion-weighted imaging (PWI), fluid-attenuated inversion recovery (FLAIR), and magnetic resonance angiography (MRA). At least 7 days after onset, the patients also underwent cranial FLAI...
Source: Neurological Sciences - March 20, 2018 Category: Neurology Source Type: research

Outcomes of Unrelated Donor Stem Cell Transplant with Post-Transplant Cyclophosphamide for Graft-versus-Host Disease Prophylaxis in Patients with Severe Sickle Cell Disease
Sickle cell disease (SCD) is a hemoglobinopathy affecting 1 in every 500 African American newborns and an estimated 100,000 persons in the United States [1]. Vascular occlusion caused by the sickled RBCs leads to decreased perfusion in target organs and manifests clinically as vaso-occlusive pain crisis, stroke (cerebral infarction), pulmonary restrictive disease, and pulmonary hypertension [2]. Despite advances in supportive care, including the use of hydroxyurea (HU), RBC transfusion, and iron chelation therapy, patients with SCD continue to experience considerable morbidity and mortality in their lifetime.
Source: Biology of Blood and Marrow Transplantation - October 20, 2017 Category: Hematology Authors: Hemalatha G. Rangarajan, Rolla Abu-Arja, Vinita Pai, Gregory M.T. Guilcher, Sandeep Soni Source Type: research

Outcomes of Unrelated Donor Stem Cell Transplantion with Post-Transplant Cyclophosphamide for Graft-versus-Host Disease Prophylaxis in Patients with Severe Sickle Cell Disease
Sickle cell disease (SCD) is a hemoglobinopathy affecting 1 in every 500 African American newborns and an estimated 100,000 persons in the United States [1]. Vascular occlusion caused by the sickled RBCs leads to decreased perfusion in target organs and manifests clinically as vaso-occlusive pain crisis, stroke (cerebral infarction), pulmonary restrictive disease, and pulmonary hypertension [2]. Despite advances in supportive care, including the use of hydroxyurea (HU), RBC transfusion, and iron chelation therapy, patients with SCD continue to experience considerable morbidity and mortality in their lifetime.
Source: Biology of Blood and Marrow Transplantation - October 20, 2017 Category: Hematology Authors: Hemalatha G. Rangarajan, Rolla Abu-Arja, Vinita Pai, Gregory M.T. Guilcher, Sandeep Soni Source Type: research

Regulation of Ncbe in the Choroid Plexus of Mice after Hemorrhage-Induced Hydrocephalus
FASEB J. 2022 May;36 Suppl 1. doi: 10.1096/fasebj.2022.36.S1.R3405.ABSTRACTThe choroid plexus (CP) is a small tissue located inside brain ventricles. It is responsible for the production of most of the cerebrospinal fluid (CSF); approximately 500 mL of CSF per day in the adult human [1, 2]. CSF production occurs as a net result of transcellular movement of salt and water, carried out by various cellular transporters. Ncbe is a sodium-coupled bicarbonate transporter located in the basolateral membrane of the choroid plexus epithelial (CPE) cells. It transports Na+ and HCO3 - into the cell in exchange for Cl- . Ncbe is the m...
Source: Pharmacological Reviews - May 13, 2022 Category: Drugs & Pharmacology Authors: Laura Ø Johnsen Kathrine A Friis Laura B Ry ø Jacob G Mikkelsen Thomas B Lindhardt Rasmus W Knopper Brian Hansen Jeppe Praetorius Helle H Damkier Source Type: research

E-205 In vitro evaluation of full-length, mr-safe interventional passive catheter markers at 3T
ConclusionAlthough worst-case artifacts were observed at 90°, they remained acceptable for use in guide catheters. Additionally, 20-mm marker separation could provide distinct artifacts down the length of a catheter during MRI-guided interventions, despite anatomic tortuosity. The phantom used in this study was shallow, which limited the ability to distinguish between real artifacts and those arising from the solution-air interface. Hence, accuracy of the degree of increased artifact may warrant further investigation. This study simulated worst-case orientations in vitro; more data should be collected in vivo using rea...
Source: Journal of NeuroInterventional Surgery - July 23, 2022 Category: Neurosurgery Authors: Kilbride, B., Jordan, C., Ahn, S., Mueller, K., Chu, A., Barry, D., Moore, T., Martin, A., Wilson, M., Hetts, S. Tags: SNIS 19th annual meeting electronic poster abstracts Source Type: research

cGAS-STING pathway aggravates early cerebral ischemia-reperfusion injury in mice by activating NCOA4-mediated ferritinophagy
In conclusion, our results suggest that activation of the cGAS-STING pathway exacerbates CIRI at the early stage of CIR, which may be achieved by mediating NCOA4-mediated ferritinophagy.PMID:36343680 | DOI:10.1016/j.expneurol.2022.114269
Source: Experimental Neurology - November 7, 2022 Category: Neurology Authors: Bingyu Li Wei Wang Yanan Li Su Wang Hengjuan Liu Zhongyuan Xia Wenwei Gao Bo Zhao Source Type: research