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https://www.readbyqxmd.com/read/28806738/partial-igf-1-deficiency-is-sufficient-to-reduce-heart-contractibility-angiotensin-ii-sensibility-and-alter-gene-expression-of-structural-and-functional-cardiac-proteins
#1
José Luis González-Guerra, Inma Castilla-Cortazar, Gabriel A Aguirre, Úrsula Muñoz, Irene Martín-Estal, Elena Ávila-Gallego, Miriam Granado, Juan E Puche, Ángel Luis García-Villalón
Circulating levels of IGF-1 may decrease under several circumstances like ageing, metabolic syndrome, and advanced cirrhosis. This reduction is associated with insulin resistance, dyslipidemia, progression to type 2 diabetes, and increased risk for cardiovascular diseases. However, underlying mechanisms between IGF-1 deficiency and cardiovascular disease remain elusive. The specific aim of the present work was to study whether the partial IGF-1 deficiency influences heart and/or coronary circulation, comparing vasoactive factors before and after of ischemia-reperfusion (I/R)...
2017: PloS One
https://www.readbyqxmd.com/read/28806615/graphene-gold-based-nanocomposites-applications-in-cancer-diseases-efficient-detection-and-therapeutic-tools
#2
REVIEW
Lina A Al-Ani, Mohammed A AlSaadi, Farkaad A Kadir, Najihah M Hashim, Nurhidayatullaili M Julkapli, Wageeh A Yehye
Early detection and efficient treatment of cancer disease remains a drastic challenge in 21st century. Throughout the bulk of funds, studies, and current therapeutics, cancer seems to aggressively advance with drug resistance strains and recurrence rates. Nevertheless, nanotechnologies have indeed given hope to be the next generation for oncology applications. According to US National cancer institute, it is anticipated to revolutionize the perspectives of cancer diagnosis and therapy. With such success, nano-hybrid strategy creates a marvelous preference...
July 28, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28806610/risk-factors-of-transition-from-mild-cognitive-impairment-to-alzheimer-s-disease-and-death-a-cohort-study
#3
Haihong Xue, Qianqian Sun, Long Liu, Liye Zhou, Ruifeng Liang, Runlian He, Hongmei Yu
BACKGROUND: Knowledge of risk factors is essential for developing strategies that prevent or minimise transitions from mild cognitive impairment (MCI) to Alzheimer's disease (AD) and death. The aim of this study was to assess risk factors for progression to AD and death among Chinese individuals with cognitive impairment. METHODS: We conducted a multisite, population-based cohort study on 437 community-dwelling elderly MCI residents in Taiyuan, China from 2010 to 2014...
July 18, 2017: Comprehensive Psychiatry
https://www.readbyqxmd.com/read/28806581/engineered-systems-for-therapeutic-angiogenesis
#4
REVIEW
Shane Browne, Abhay Pandit
Ischemic disease caused by insufficient blood supply leads to a lack of oxygen and nutrients and a build-up of waste products in the affected tissue. Therapeutic angiogenesis, as a means to enhance perfusion of tissues with an inadequate blood supply, holds great promise for the treatment of ischemic disease. A wide range of factors that play a key role in physiological angiogenesis have been identified and trialed as pro-angiogenic agents. However, as yet pro-angiogenic treatments have failed to be translated clinically, owing to both lack of efficacy and safety concerns regarding the use of doses considerably larger than is typical present under physiological conditions...
August 11, 2017: Current Opinion in Pharmacology
https://www.readbyqxmd.com/read/28806469/climate-change-effects-on-respiratory-health-implications-for-nursing
#5
Maureen George, Jean-Marie Bruzzese, Lea Ann Matura
PURPOSE: Greenhouse gases are driving climate change. This article explores the adverse health effects of climate change on a particularly vulnerable population: children and adults with respiratory conditions. APPROACH: This review provides a general overview of the effects of increasing temperatures, extreme weather, desertification, and flooding on asthma, chronic obstructive lung disease, and respiratory infections. We offer suggestions for future research to better understand climate change hazards, policies to support prevention and mitigation efforts targeting climate change, and clinical actions to reduce individual risk...
August 14, 2017: Journal of Nursing Scholarship
https://www.readbyqxmd.com/read/28806398/lysine-52-stabilizes-the-myc-oncoprotein-through-an-scf-fbxw7-independent-mechanism
#6
J De Melo, S S Kim, C Lourenco, L Z Penn
The oncogenic transcription factor c-MYC (MYC) is deregulated and often overexpressed in more than 50% of cancers. MYC deregulation is associated with poor prognosis and aggressive disease, suggesting that the development of therapeutic inhibitors targeting MYC would markedly impact patient outcome. MYC is highly regulated, with a protein and mRNA half-life of ~30 min. The most extensively studied pathway regulating MYC protein stability involves ubiquitylation and proteasomal degradation mediated by the E3-ligase, SCF(Fbxw7)...
August 14, 2017: Oncogene
https://www.readbyqxmd.com/read/28806396/inhibiting-myc-binding-to-the-e-box-dna-motif-by-me47-decreases-tumour-xenograft-growth
#7
L C Lustig, D Dingar, W B Tu, C Lourenco, M Kalkat, I Inamoto, R Ponzielli, W C W Chan, J A Shin, L Z Penn
Developing therapeutics to effectively inhibit the MYC oncoprotein would mark a key advance towards cancer patient care as MYC is deregulated in over 50% of human cancers. MYC deregulation is correlated with aggressive disease and poor patient outcome. Despite strong evidence in mouse models that inhibiting MYC would significantly impact tumour cell growth and patient survival, traditional approaches have not yet yielded the urgently needed therapeutic agents that directly target MYC. MYC functions through its interaction with MAX to regulate gene transcription by binding to E-box DNA response elements of MYC target genes...
August 14, 2017: Oncogene
https://www.readbyqxmd.com/read/28806395/rad6-promotes-dna-repair-and-stem-cell-signaling-in-ovarian-cancer-and-is-a-promising-therapeutic-target-to-prevent-and-treat-acquired-chemoresistance
#8
R R Somasagara, S M Spencer, K Tripathi, D W Clark, C Mani, L Madeira da Silva, J Scalici, H Kothayer, A D Westwell, R P Rocconi, K Palle
Ovarian cancer (OC) is the most deadly gynecological cancer and unlike most other neoplasms, survival rates for OC have not significantly improved in recent decades. We show that RAD6, an ubiquitin-conjugating enzyme, is significantly overexpressed in ovarian tumors and its expression increases in response to carboplatin chemotherapy. RAD6 expression correlated strongly with acquired chemoresistance and malignant behavior of OC cells, expression of stem cell genes and poor prognosis of OC patients, suggesting an important role for RAD6 in ovarian tumor progression...
August 14, 2017: Oncogene
https://www.readbyqxmd.com/read/28806372/exploring-rural-disparities-in-medical-diagnoses-among-veterans-with-transgender-related-diagnoses-utilizing-veterans-health-administration-care
#9
Leigh A Bukowski, John Blosnich, Jillian C Shipherd, Michael R Kauth, George R Brown, Adam J Gordon
OBJECTIVES: Research shows transgender individuals experience pronounced health disparities compared with their nontransgender peers. Yet, there remains insufficient research about health differences within transgender populations. This study seeks to fill this gap by exploring how current urban/rural status is associated with lifetime diagnosis of mood disorder, alcohol dependence disorder, illicit drug abuse disorder, tobacco use, posttraumatic stress disorder, human immunodeficiency virus, and suicidal ideation or attempt among veterans with transgender-related diagnoses...
September 2017: Medical Care
https://www.readbyqxmd.com/read/28806350/blood-pressure-variability-is-increasing-from-the-first-to-the-second-day-of-the-interdialytic-interval-in-hemodialysis-patients
#10
Antonios Karpetas, Charalampos Loutradis, Athanasios Bikos, Georgios Tzanis, Georgios Koutroumpas, Antonios A Lazaridis, Konstantinos Mavromatidis, Vassilios Liakopoulos, Aikaterini Papagianni, Pantelis Zebekakis, Luis M Ruilope, Gianfranco Parati, Pantelis A Sarafidis
OBJECTIVES: Patients with end-stage renal-disease under hemodialysis have increased cardiovascular risk and experience severe blood pressure (BP) fluctuations during the dialysis session and the subsequent interdialytic period. BP variability (BPV) may be an additional risk factor for cardiovascular events and preliminary data suggest increased BPV with advancing stages of chronic kidney disease. This is the first study to examine BPV during the whole intradialytic and interdialytic period in hemodialysis patients with ambulatory BP monitoring...
August 12, 2017: Journal of Hypertension
https://www.readbyqxmd.com/read/28806299/the-dynamic-and-transient-immune-microenvironment-in-locally-advanced-esophageal-adenocarcinoma-post-chemoradiation
#11
Ronan J Kelly, Ali H Zaidi, Matthew A Smith, Ashten N Omstead, Juliann E Kosovec, Daisuke Matsui, Samantha A Martin, Christina DiCarlo, E Day Werts, Jan F Silverman, David H Wang, Blair A Jobe
OBJECTIVE: The aim of this study was to assess the impact of chemoradiation on the immune microenvironment to influence and optimally design future neoadjuvant clinical trials. SUMMARY BACKGROUND DATA: Programmed death (PD)-1 inhibitors in metastatic gastroesophageal cancer have demonstrated response rates of approximately 25% in programmed death ligand-1 (PD-L1+) tumors. Unfortunately, the majority of patients do not respond. Therefore, a rationale strategy of combining immunotherapeutic agents with chemoradiation in earlier stage esophageal cancer may prevent metastatic disease in patients...
August 10, 2017: Annals of Surgery
https://www.readbyqxmd.com/read/28806279/ce-can-your-older-patients-drive-safely
#12
Loren Staplin, Kathy H Lococo, Tia Mastromatto, Kathy J Sifrit, Kathleen M Trazzera
A review of the functional impairments and situations that put older drivers at risk. ABSTRACT: In many areas of the world, driving is an essential part of life and for reasons of comfort, convenience, and security remains the primary mode of transportation among older adults. Both normal aging and diseases that are more prevalent in advanced age can substantially reduce older drivers' functional abilities, elevating their risk of involvement in motor vehicle accidents and serious injury or death...
August 10, 2017: American Journal of Nursing
https://www.readbyqxmd.com/read/28806273/the-changing-landscape-of-gene-editing-in-hematopoietic-stem-cells-a-step-towards-cas9-clinical-translation
#13
Daniel P Dever, Matthew H Porteus
PURPOSE OF REVIEW: Since the discovery two decades ago that programmable endonucleases can be engineered to modify human cells at single nucleotide resolution, the concept of genome editing was born. Now these technologies are being applied to therapeutically relevant cell types, including hematopoietic stem cells (HSC), which possess the power to repopulate an entire blood and immune system. The purpose of this review is to discuss the changing landscape of genome editing in hematopoietic stem cells (GE-HSC) from the discovery stage to the preclinical stage, with the imminent goal of clinical translation for the treatment of serious genetic diseases of the blood and immune system...
August 12, 2017: Current Opinion in Hematology
https://www.readbyqxmd.com/read/28806189/the-use-of-optical-coherence-tomography-in-neuro-ophthalmology
#14
Noel C Y Chan, Carmen K M Chan
PURPOSE OF REVIEW: In the last decade, with the advances of optical coherence tomography (OCT) technology, different imaging protocols and analysis algorithms have been introduced to maximize the potential of this diagnostic tool in the evaluation of different eye diseases. This review aims to provide an update on these additional features, with respect to the management of a diverse range of neuro-ophthalmologic conditions. RECENT FINDINGS: Macular ganglion cell complex (mGCC) analysis has been shown to be superior to peripapillary retinal nerve fiber layer (pRNFL) analysis in certain settings, such as differentiating Leber's hereditary optic neuropathy from functional visual loss; monitoring neurodegenerative diseases or multiple sclerosis; and predicting visual loss in nonarteritic ischemic optic neuropathy...
August 12, 2017: Current Opinion in Ophthalmology
https://www.readbyqxmd.com/read/28806184/noninfectious-aortitis-what-the-cardiologist-needs-to-know
#15
Ingolf Töpel
PURPOSE OF REVIEW: To sum up a group of noninfectious inflammatory diseases of the aorta and its branches relevant to a cardiologist's daily routine. To describe pathogenetic and clinical advances as well as modern diagnostic tools. To overview most recent treatment options and patient-tailored therapies. To provide an insight in future directions of research. RECENT FINDINGS: Pathophysiology of large vessel vasculitides (LVV) are still poorly defined. At least a certain number of patients with idiopathic periaortitis seem to part of the group of IgG4-related diseases which has implications for therapy...
August 12, 2017: Current Opinion in Cardiology
https://www.readbyqxmd.com/read/28806179/interpreting-magnesium-status-to-enhance-clinical-care-key-indicators
#16
Rebecca B Costello, Forrest Nielsen
PURPOSE OF REVIEW: To update advances in identifying factors affecting magnesium (Mg) status that assist in providing improved evidence-based clinical decision-making for assessing Mg status. RECENT FINDINGS: Findings from recent cohort studies, small randomized control trials, and multiple meta-analyses reinforce earlier work that serum Mg concentrations, urinary Mg excretion, and Mg dietary intakes are inversely associated with cardiovascular disease, chronic kidney disease, and diabetes...
August 12, 2017: Current Opinion in Clinical Nutrition and Metabolic Care
https://www.readbyqxmd.com/read/28805813/analysis-of-genome-wide-association-data-highlights-candidates-for-drug-repositioning-in-psychiatry
#17
Hon-Cheong So, Carlos Kwan-Long Chau, Wan-To Chiu, Kin-Sang Ho, Cho-Pong Lo, Stephanie Ho-Yue Yim, Pak-Chung Sham
Knowledge of psychiatric disease genetics has advanced rapidly during the past decade with the advent of genome-wide association studies (GWAS). However, less progress has been made in harnessing these data to reveal new therapies. Here we propose a framework for drug repositioning by comparing transcriptomes imputed from GWAS data with drug-induced gene expression profiles from the Connectivity Map database and apply this approach to seven psychiatric disorders. We found a number of repositioning candidates, many supported by preclinical or clinical evidence...
August 14, 2017: Nature Neuroscience
https://www.readbyqxmd.com/read/28805710/analysis-of-the-pathogenic-factors-and-management-of-dry-eye-in-ocular-surface-disorders
#18
REVIEW
Marcella Nebbioso, Paola Del Regno, Magda Gharbiya, Marta Sacchetti, Rocco Plateroti, Alessandro Lambiase
The tear film represents the interface between the eye and the environment. The alteration of the delicate balance that regulates the secretion and distribution of the tear film determines the dry eye (DE) syndrome. Despite having a multifactorial origin, the main risk factors are female gender and advanced age. Likewise, morphological changes in several glands and in the chemical composition of their secretions, such as proteins, mucins, lipidics, aqueous tears, and salinity, are highly relevant factors that maintain a steady ocular surface...
August 13, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28805590/nonmotor-fluctuations-in-parkinson-s-disease
#19
Christiana Franke, Alexander Storch
The advanced stage of Parkinson's disease (PD) is characterized by motor complications such as motor fluctuations and dyskinesias induced by long-term levodopa treatment. Recent clinical research provides growing evidence that various nonmotor symptoms such as neuropsychiatric, autonomic, and sensory symptoms (particularly pain) also show fluctuations in patients with motor fluctuations (called nonmotor fluctuations or NMF). However, NMF have not yet been adequately considered in routine care of advanced PD patients and only few therapeutic studies are available...
2017: International Review of Neurobiology
https://www.readbyqxmd.com/read/28805564/deep-brain-stimulation-and-nonmotor-symptoms
#20
Elliot Hogg, Jeffrey Wertheimer, Sarah Graner, Michele Tagliati
Deep brain stimulation (DBS) is currently the treatment of choice for advanced Parkinson's disease (PD). Several brain targets, including the subthalamic nucleus and the globus pallidus internus, have been successfully employed, with excellent motor outcomes. Despite less established knowledge, DBS may be a powerful tool for managing a wide variety of nonmotor symptoms (NMS) in PD patients, either directly or indirectly due to motor benefit or reduction of dopaminergic drug load. After an assessment of global nonmotor outcomes of DBS, as measured by currently available clinical scales and questionnaires, this chapter will address DBS effects on four main NMS categories: neurobehavioral, including cognitive and neuropsychiatric symptoms, autonomic dysfunction, including orthostatic hypotension, constipation, and urinary dysfunction, sleep disturbances, including insomnia, REM sleep behavior disorder, and restless leg syndrome, to conclude with sensory symptoms, mainly focusing on pain...
2017: International Review of Neurobiology
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