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Total 35 results found since Jan 2013.

Ferroptosis —A Novel Mechanism With Multifaceted Actions on Stroke
As a neurological disease with high morbidity, disability, and mortality, the pathological mechanism underlying stroke involves complex processes such as neuroinflammation, oxidative stress, apoptosis, autophagy, and excitotoxicity; but the related research on these molecular mechanisms has not been effectively applied in clinical practice. As a form of iron-dependent regulated cell death, ferroptosis was first discovered in the pathological process of cancer, but recent studies have shown that ferroptosis is closely related to the onset and development of stroke. Therefore, a deeper understanding of the relationship betwe...
Source: Frontiers in Neurology - April 11, 2022 Category: Neurology Source Type: research

Development of L-carnosine functionalized iron oxide nanoparticles loaded with dexamethasone for simultaneous therapeutic potential of blood brain barrier crossing and ischemic stroke treatment.
Authors: Lu X, Zhang Y, Wang L, Li G, Gao J, Wang Y Abstract The development of suitable drug delivery carriers is significant in biomedical applications to improve the therapeutic efficiency. Recent progress in nanotechnological fields, paved the way for the formulation of variety of drug carriers. The brain disorders such as ischemic stroke, brain cancer, and CNS disorders were poorly treated due to the presence of blood brain barrier that hinders the passage of drugs to the brain. Hence, the formulated drugs should have the ability to cross the blood-brain barrier (BBB) for ischemic stroke treatment. In the pres...
Source: Drug Delivery - February 17, 2021 Category: Drugs & Pharmacology Tags: Drug Deliv Source Type: research

ACSL4 contributes to ferroptosis-mediated rhabdomyolysis in exertional heat stroke
CONCLUSIONS: These findings demonstrate an important role of ACSL4 in mediating ferroptosis activation in the development of RM following EHS and suggest that targeting ACSL4 may represent a novel therapeutic strategy to limit the skeletal muscle cell death and prevent RM after EHS.PMID:35243801 | DOI:10.1002/jcsm.12953
Source: Cancer Control - March 4, 2022 Category: Cancer & Oncology Authors: Sixiao He Ru Li Yanmei Peng Ziqing Wang Junhao Huang Hongen Meng Junxia Min Fudi Wang Qiang Ma Source Type: research

Associations of Anemia With Outcomes in Patients With Spontaneous Intracerebral Hemorrhage: A Meta-Analysis
Conclusions: Anemia on admission was associated with higher mortality and an increased risk of poor outcome in patients with ICH. However, the results were limited by the high heterogeneity of included studies. Prospective, multi-center or population-based, large sample cohort studies are needed in the future. Introduction Intracerebral hemorrhage (ICH) is the second most common cause of stroke and a highly lethal disease (1), which still lacks effective therapeutic interventions (2, 3). Although age, baseline ICH volume and neurological status on admission are well-known predictors of outcome of ICH (4), none of t...
Source: Frontiers in Neurology - April 24, 2019 Category: Neurology Source Type: research

Sickle Cell Disease Subjects Have a Distinct Abnormal Autonomic Phenotype Characterized by Peripheral Vasoconstriction With Blunted Cardiac Response to Head-Up Tilt
Conclusion We have shown that SCD subjects are much more likely than non-SCD subjects to have impaired cardiac, but intact peripheral responses to orthostatic stress induced by HUT. These abnormal responses are associated with low baseline cardiac parasympathetic activity, independent of hemoglobin level. The classification of autonomic phenotypes based on HUT response may have potential use for predicting disease severity, guiding and targeting treatments/interventions to alleviate the risk of adverse outcomes in SCD. Ethics Statement All experiments were conducted at Children’s Hospital Los Angeles (CHLA). The ...
Source: Frontiers in Physiology - April 10, 2019 Category: Physiology Source Type: research

Mortality and Morbidity Effects of Long-Term Exposure to Low-Level PM < sub > 2.5 < /sub > , BC, NO < sub > 2 < /sub > , and O < sub > 3 < /sub > : An Analysis of European Cohorts in the ELAPSE Project
CONCLUSIONS: Long-term exposure to PM2.5, NO2, and BC was positively associated with natural-cause and cause-specific mortality in the pooled cohort and the administrative cohorts. Associations were found well below current limit values and guidelines for PM2.5 and NO2. Associations tended to be supralinear, with steeper slopes at low exposures with no indication of a threshold. Two-pollutant models documented the importance of characterizing the ambient mixture with both NO2 and PM2.5. We mostly found negative associations with O3. In two-pollutant models with NO2, the negative associations with O3 were attenuated to esse...
Source: Cancer Control - September 15, 2022 Category: Cancer & Oncology Authors: Brunekreef Bert Strak Maciej Chen Jie J Andersen Zorana Atkinson Richard Bauwelinck Mariska Bellander Tom Boutron Marie-Christine Brandt J ørgen Carey Iain Cesaroni Giulia Forastiere Francesco Fecht Daniela Gulliver John Hertel Ole Hoffmann Barbara de Ho Source Type: research

Neurovascular Manifestations of Iron-Deficient Anemia: Narrative Review and Practical Reflections through a Teaching Case
Conclusions: IDA is a common but treatable condition that, independently or synergically, may increase the risk of thrombotic events. The diagnostic and therapeutic approach has not yet been defined, and each case should be individually addressed in a pragmatic clinical road map.PMID:36294407 | DOI:10.3390/jcm11206088
Source: Clinical Lung Cancer - October 27, 2022 Category: Cancer & Oncology Authors: Marialuisa Zedde Giacomo Portaro Laura Ferri Francesco Cavallieri Manuela Napoli Claudio Moratti Fabrizio Piazza Franco Valzania Rosario Pascarella Source Type: research

High-Fiber Diet Linked To Lower Risk Of Death And Chronic Illness
(CNN) — People who eat diets that are high in fiber have lower risk of death and chronic diseases such as stroke or cancer compared with people with low fiber intake, a new analysis found. Dietary fiber includes plant-based carbohydrates such as whole-grain cereal, seeds and some legumes. Fiber’s health benefits have been recorded “by over 100 years of research,” Andrew Reynolds, a researcher at the University of Otago in New Zealand, wrote in an email. He is co-author of the new meta-analysis of existing research, which was published Thursday in the journal The Lancet. The research shows that high...
Source: WBZ-TV - Breaking News, Weather and Sports for Boston, Worcester and New Hampshire - January 11, 2019 Category: Consumer Health News Authors: Health – CBS Boston Tags: Health News CNN fiber Local TV Source Type: news

Plasma Metal Concentrations and Incident Coronary Heart Disease in Chinese Adults: The Dongfeng-Tongji Cohort
Conclusions: Our study suggested that incident CHD was positively associated with plasma levels of titanium and arsenic, and inversely associated with selenium. Additional research is needed to confirm these findings in other populations. https://doi.org/10.1289/EHP1521 Received: 22 December 2016 Revised: 17 September 2017 Accepted: 19 September 2017 Published: 19 October 2017 Address correspondence to T. Wu, or A. Pan, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, 13 Hongkong Rd., Wuhan 430030, Hubei, China. Telephone: +86-27-83692347. Email: wut@mails.tjmu.edu.cn or p...
Source: EHP Research - October 20, 2017 Category: Environmental Health Authors: Daniil Lyalko Tags: Research Source Type: research

Heme iron intake and acute myocardial infarction: A prospective study of men
Conclusions: Findings from this prospective study indicate that a high heme iron intake, particularly with simultaneous low intake of minerals that can decrease iron absorption, may increase the risk of fatal AMI.
Source: International Journal of Cardiology - January 22, 2014 Category: Cardiology Authors: Joanna Kaluza, Susanna C. Larsson, Niclas Håkansson, Alicja Wolk Tags: Original Articles Source Type: research

New MRI contrast agent tested on big animals
(Institute for Basic Science) Experiments in dogs, rabbits and monkeys show the efficacy and biocompatibility of a new MRI/MRA contrast agent in detecting stroke. This T1 MRI contrast agent based on ultrasmall iron oxide nanoparticles could become a possible alternative to clinically used gadolinium-based agents.
Source: EurekAlert! - Cancer - July 31, 2017 Category: Cancer & Oncology Source Type: news

Ferroptosis: A Regulated Cell Death Nexus Linking Metabolism, Redox Biology, and Disease
Publication date: 5 October 2017 Source:Cell, Volume 171, Issue 2 Author(s): Brent R. Stockwell, José Pedro Friedmann Angeli, Hülya Bayir, Ashley I. Bush, Marcus Conrad, Scott J. Dixon, Simone Fulda, Sergio Gascón, Stavroula K. Hatzios, Valerian E. Kagan, Kay Noel, Xuejun Jiang, Andreas Linkermann, Maureen E. Murphy, Michael Overholtzer, Atsushi Oyagi, Gabriela C. Pagnussat, Jason Park, Qitao Ran, Craig S. Rosenfeld, Konstantin Salnikow, Daolin Tang, Frank M. Torti, Suzy V. Torti, Shinya Toyokuni, K.A. Woerpel, Donna D. Zhang Ferroptosis is a form of regulated cell death characterized by the iron-dependent accumulation...
Source: Cell - October 29, 2017 Category: Cytology Source Type: research

Urine Arsenic and Arsenic Metabolites in U.S. Adults and Biomarkers of Inflammation, Oxidative Stress, and Endothelial Dysfunction: A Cross-Sectional Study
Conclusion: In a cross-sectional study of U.S. adults, we observed some positive associations of uAs and toenail As concentrations with biomarkers potentially relevant to CVD pathogenesis and inflammation, and evidence of a higher capacity to metabolize inorganic As was negatively associated with a marker of oxidative stress. https://doi.org/10.1289/EHP2062 Received: 14 April 2017 Revised: 13 November 2017 Accepted: 15 November 2017 Published: 15 December 2017 Address correspondence to S.F. Farzan, 2001 N. Soto St., Los Angeles, CA, 90032. Telephone: (323)-442-5101; Email: sffarzan@usc.edu Supplemental Material is ava...
Source: EHP Research - December 16, 2017 Category: Environmental Health Authors: Daniil Lyalko Tags: Research Source Type: research

Molecular Magnetic Resonance Imaging of Endothelial Activation in the Central Nervous System
Endothelial cells of the central nervous system over-express surface proteins during neurological disorders, either as a cause, or a consequence, of the disease. Since the cerebral vasculature is easily accessible by large contrast-carrying particles, it constitutes a target of choice for molecular magnetic resonance imaging (MRI). In this review, we highlight the most recent advances in molecular MRI of brain endothelial activation and focus on the development of micro-sized particles of iron oxide (MPIO) targeting adhesion molecules including intercellular adhesion molecule 1 (ICAM-1), vascular cell adhesion molecule 1 (...
Source: Theranostics - June 20, 2018 Category: Molecular Biology Authors: Maxime Gauberti, Antoine P. Fournier, Fabian Docagne, Denis Vivien, Sara Martinez de Lizarrondo Tags: Review Source Type: research

Clinical Relevance of Clonal Hematopoiesis in the Oldest-Old Population: Analysis of the "Health and Anemia" Study
Conclusion. Clonal hematopoiesis was associated with reduced survival in an oldest-old population. Specific mutational profiles define different risks of developing MDS and inflammatory/vascular diseases. Non mutational factors, such as early changes in red blood cell indices, may improve the capability to identify patients at increased risk of developing myeloid cancers.DisclosuresMeggendorfer: MLL Munich Leukemia Laboratory: Employment. Bolli: Celgene: Honoraria. Vassiliou: KYMAB: Consultancy, Equity Ownership; Celgene: Research Funding. Kern: MLL Munich Leukemia Laboratory: Employment, Equity Ownership. Haferlach: MLL M...
Source: Blood - November 21, 2018 Category: Hematology Authors: Rossi, M., Meggendorfer, M., Zampini, M., Tettamanti, M., Riva, E., Saba, E., Manes, N., Milanesi, C., Marta, U., Morabito, L., Travaglino, E., Peano, C., Giulia, S., Asselta, R., Duga, S., Malik, K., Selmi, C., Civilini, E., Mandelli, S., Bolli, N., Vass Tags: 503. Clonal Hematopoiesis: Aging and Inflammation: Cause and consequence of clonal hematopoiesis Source Type: research