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Total 88 results found since Jan 2013.

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

6-Bromoindirubin-3 ′-Oxime (6BIO) Suppresses the mTOR Pathway, Promotes Autophagy, and Exerts Anti-aging Effects in Rodent Liver
In this study, we aimed to investigate the anti-aging effect, and molecular mechanism, of the novel anti-aging drug 6BIO on naturally aged mouse liver. Rapamycin, a well-known promising anti-aging drug that delays aging through mTOR-dependent autophagy (Zhou and Ye, 2018), was used as the positive control in the study. To our knowledge, this is the first study to demonstrate the effects of 6BIO treatment in models of natural aging. Our results indicated that 6BIO ameliorates the decline of liver function with age, including lipid metabolism disorder, and attenuates hepatocyte senescence in aged mice, as revealed by altera...
Source: Frontiers in Pharmacology - April 9, 2019 Category: Drugs & Pharmacology Source Type: research

Effects of Normothermic Machine Perfusion Conditions on Mesenchymal Stromal Cells
In this study the effect of NMP perfusion fluid on survival, metabolism and function of thawed cryopreserved human (h)MSC and porcine (p)MSC in suspension conditions was studied. Suspension conditions reduced the viability of pMSC by 40% in both perfusion fluid and culture medium. Viability of hMSC was reduced by suspension conditions by 15% in perfusion fluid, whilst no differences were found in survival in culture medium. Under adherent conditions, survival of the cells was not affected by perfusion fluid. The perfusion fluid did not affect survival of fresh MSC in suspension compared to the control culture medium. The f...
Source: Frontiers in Immunology - April 9, 2019 Category: Allergy & Immunology Source Type: research

Pre-injury Comorbidities Are Associated With Functional Impairment and Post-concussive Symptoms at 3- and 6-Months After Mild Traumatic Brain Injury: A TRACK-TBI Study
Conclusions: Pre-injury psychiatric and pre-injury headache/migraine symptoms are risk factors for worse functional and post-concussive outcomes at 3- and 6-months post-mTBI. mTBI patients presenting to acute care should be evaluated for psychiatric and headache/migraine history, with lower thresholds for providing TBI education/resources, surveillance, and follow-up/referrals. Clinical Trial Registration: www.ClinicalTrials.gov, identifier NCT01565551. Introduction Traumatic brain injury (TBI) remains a significant cause of morbidity and mortality worldwide. In 2013 ~2.8 million TBI cases were recorded an...
Source: Frontiers in Neurology - April 8, 2019 Category: Neurology Source Type: research

The lncRNA MALAT1 rs619586 G Variant Confers Decreased Susceptibility to Recurrent Miscarriage
In conclusion, our study suggests that the rs619586 G variant may have potential protective effects conferring a decreased risk of recurrent miscarriage in the southern Chinese population. Introduction Recurrent miscarriage is defined as the loss of two or more consecutive pregnancies before 20 weeks of gestation (Jaslow et al., 2010; Diejomaoh, 2015). The occurrence of recurrent miscarriage is associated with many factors, including genetic factors, immunological dysfunction, endocrine disorders, unhealthy lifestyles and defects of the reproductive organs (Saravelos and Regan, 2014; Sen et al., 2014; Garrido-Gimen...
Source: Frontiers in Physiology - April 8, 2019 Category: Physiology Source Type: research

PCORI Board Approves $85 Million to Support New Studies on Opioids, Cancer and Other High-Burden Conditions
The Patient-Centered Outcomes Research Institute (PCORI) Board of Governors has approved $85 million in grants for 16 projects that will compare two or more approaches to improving care and outcomes for a range of conditions, including opioid use, cancer, depression, and stroke.
Source: News stories via the Rural Assistance Center - August 21, 2018 Category: Rural Health Source Type: news

New funding to UC Riverside to significantly boost cancer, ALS research
(University of California - Riverside) Maurizio Pellecchia at the University of California, Riverside has received two grants to continue his research aimed at finding therapeutics for cancer, amyotrophic lateral sclerosis (ALS), and other neurodegenerative diseases. The first grant from the US-Egypt Science and Technology Joint Fund of the National Academy of Sciences, Engineering, and Medicine totals $190,000 for two years. The second is a nearly $2.3 million, five-year grant from the National Institute of Neurological Disorders and Stroke.
Source: EurekAlert! - Cancer - June 21, 2018 Category: Cancer & Oncology Source Type: news

Evaluation of 11CTMI as a COX-2 selective PET tracer in baboon
Conclusion: Our PET imaging studies in baboon show that [11C]TMI penetrates the BBB and distributes to COX-2 enriched brain regions. Details of the in vivo evaluation of [11C]TMI in baboon brain will be presented. References 1. Majo VJ et al., Bioorg Med Chem Let., 2005, 15, 4268. 2. Cunningham VJ et al., J Cereb Blood Flow Metab., 2010; 30(1): 46-50. Grant Support: Diane Goldberg Foundation (NYSPI/CUMC) and Pfizer Inc.
Source: Journal of Nuclear Medicine - May 23, 2018 Category: Nuclear Medicine Authors: Kumar, D., Zanderigo, F., Prabhakaran, J., Rubin-Falcone, H., Parsey, R., Mann, J. J. Tags: Neuroscience - Basic Science - Posters Source Type: research

Mosaic RAS/MAPK variants cause sporadic vascular malformations which respond to targeted therapy
CONCLUSION. Our findings uncover a major cause of sporadic VMs of different clinical types and thereby offer the potential of personalized medical treatment by repurposing existing licensed cancer therapies. FUNDING. This work was funded or supported by grants from the AVM Butterfly Charity, the Wellcome Trust (UK), the Medical Research Council (UK), the UK National Institute for Health Research, the L’Oreal-Melanoma Research Alliance, the European Research Council, and the National Human Genome Research Institute (US).
Source: Journal of Clinical Investigation - March 12, 2018 Category: Biomedical Science Authors: Lara Al-Olabi, Satyamaanasa Polubothu, Katherine Dowsett, Katrina A. Andrews, Paulina Stadnik, Agnel P. Joseph, Rachel Knox, Alan Pittman, Graeme Clark, William Baird, Neil Bulstrode, Mary Glover, Kristiana Gordon, Darren Hargrave, Susan M. Huson, Thomas 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

Long-Term Exposure to Transportation Noise in Relation to Development of Obesity —a Cohort Study
Conclusion: Our results link transportation noise exposure to development of obesity and suggest that combined exposure from different sources may be particularly harmful. https://doi.org/10.1289/EHP1910 Received: 17 March 2017 Revised: 5 October 2017 Accepted: 9 October 2017 Published: 20 November 2017 Address correspondence to A. Pyko, Institute of Environmental Medicine, Karolinska Institutet, SE-171 77 Stockholm, Sweden. Telephone: 46(0) 852487561. Email: Andrei.pyko@ki.se Supplemental Material is available online (https://doi.org/10.1289/EHP1910). The authors declare they have no actual or potential competing fina...
Source: EHP Research - November 20, 2017 Category: Environmental Health Authors: Daniil Lyalko Tags: Research Source Type: research

Long-Term Exposure to Road Traffic Noise and Nitrogen Dioxide and Risk of Heart Failure: A Cohort Study
Conclusions: Long-term exposure to NO2 and road traffic noise was associated with higher risk of heart failure, mainly among men, in both single- and two-pollutant models. High exposure to both pollutants was associated with highest risk. https://doi.org/10.1289/EHP1272 Received: 25 October 2016 Revised: 09 August 2017 Accepted: 09 August 2017 Published: 26 September 2017 Address correspondence to M. Sørensen. Diet, Genes and Environment, Danish Cancer Society, Strandboulevarden 49, 2100 Copenhagen, Denmark. Telephone: +45 35257626. Email: mettes@cancer.dk Supplemental Material is available online (https://doi.org/1...
Source: EHP Research - September 26, 2017 Category: Environmental Health Authors: Daniil Lyalko Tags: Research Source Type: research

Knock-out of a mitochondrial sirtuin protects neurons from degeneration in < i > Caenorhabditis elegans < /i >
by Rachele Sangaletti, Massimo D ’Amico, Jeff Grant, David Della-Morte, Laura Bianchi Sirtuins are NAD⁺-dependent deacetylases, lipoamidases, and ADP-ribosyltransferases that link cellular metabolism to multiple intracellular pathways that influence processes as diverse as cell survival, longevity, and cancer growth. Sirtuins influence the extent of neuronal death in stroke. Howe ver, different sirtuins appear to have opposite roles in neuronal protection. InCaenorhabditis elegans, we found that knock-out of mitochondrial sirtuinsir-2.3, homologous to mammalian SIRT4, is protective in both chemical ischemia and hypera...
Source: PLoS Genetics - August 18, 2017 Category: Genetics & Stem Cells Authors: Rachele Sangaletti Source Type: research

For post-menopausal women, vaginal estrogens do not raise risk of cancer, other diseases
This study, the first to examine potential adverse health effects in users of vaginal estrogen compared with non-users, suggests that vaginal estrogen therapy is a safe treatment for genitourinary symptoms such as burning, discomfort, and pain during intercourse associated with menopause.AUTHORSThe paper ’s authors are Dr. Carolyn Crandall of UCLA; Kathleen Hovey of the State University of New York at Buffalo; Christopher Andrews of the University of Michigan; Dr. Rowan Chlebowski of City of Hope; Marcia Stefanick of Stanford University; Dr. Dorothy Lane of the State University of New York at Ston y Brook; Dr. Jan Shifre...
Source: UCLA Newsroom: Health Sciences - August 16, 2017 Category: Universities & Medical Training Source Type: news

Associations between Greenness, Impervious Surface Area, and Nighttime Lights on Biomarkers of Vascular Aging in Chennai, India
Conclusion: Greenness, ISA, and NTL were associated with increased SBP, DBP, and cPP, and with reduced FMD, suggesting a possible additional EVA pathway for the relationship between urbanization and increased CVD prevalence in urban India. https://doi.org/10.1289/EHP541 Received: 20 May 2016 Revised: 03 January 2017 Accepted: 23 January 2017 Published: 02 August 2017 Address correspondence to K.J. Lane, Yale School of Forestry and Environmental Studies, 195 Prospect Street, New Haven, CT 06511 USA. Telephone: (781) 696-4537; Email: kevin.lane@yale.edu Supplemental Material is available online (https://doi.org/10.1289...
Source: EHP Research - August 2, 2017 Category: Environmental Health Authors: Daniil Lyalko Tags: Research Source Type: research