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https://www.readbyqxmd.com/read/28943436/vitamin-d-receptor-protects-glioblastoma-a172%C3%A2-cells-against-coxsackievirus-a16-infection-induced-cell-death-in-the-pathogenesis-of-hand-foot-and-mouth-disease
#1
Meiling Qu, Shunxiang Di, Shuyun Zhang, Zhiqun Xia, Guohong Quan
Hand, foot, and mouth disease (HFMD) was one of the most common children illnesses. Coxsackievirus A16 was one of the major pathogens that cause HFMD. However, the role of vitamin D underlying this common illness has not been elucidated. Our study examined that vitamin D levels was significantly lower in 33 HFMD patients, compared to 36 healthy children. Unexpectedly, both mRNA and protein expression of VDR were significantly decreased in CA16 infected glioblastoma A172 cells. And overexpression of VDR or vitamin D treatment in CA16 infected glioblastoma A172 cells could reverse the CA16 infection induced cell death, apoptosis or mitochondrial membrane rupture...
September 21, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28942194/the-2-oxoglutarate-carrier-promotes-liver-cancer-by-sustaining-mitochondrial-gsh-despite-cholesterol-loading
#2
Anna Baulies, Joan Montero, Nuria Matías, Naroa Insausti, Oihana Terrones, Gorka Basañez, Carmen Vallejo, Laura Conde de La Rosa, Laura Martinez, David Robles, Albert Morales, Joaquin Abian, Montserrat Carrascal, Keigo Machida, Dinesh B U Kumar, Hidekazu Tsukamoto, Neil Kaplowitz, Carmen Garcia-Ruiz, José C Fernández-Checa
Cancer cells exhibit mitochondrial cholesterol (mt-cholesterol) accumulation, which contributes to cell death resistance by antagonizing mitochondrial outer membrane (MOM) permeabilization. Hepatocellular mt-cholesterol loading, however, promotes steatohepatitis, an advanced stage of chronic liver disease that precedes hepatocellular carcinoma (HCC), by depleting mitochondrial GSH (mGSH) due to a cholesterol-mediated impairment in mGSH transport. Whether and how HCC cells overcome the restriction of mGSH transport imposed by mt-cholesterol loading to support mGSH uptake remains unknown...
September 14, 2017: Redox Biology
https://www.readbyqxmd.com/read/28940541/ebstein-anomaly-and-sudden-childhood-death
#3
Amanda Freeman, Roger W Byard
A 13-year-old girl is reported who died suddenly and unexpectedly in her sleep from previously undiagnosed Ebstein anomaly. At autopsy, there was dilatation of the right atrium with marked dilatation of the right auricle and apical displacement of the tricuspid valve into the right ventricular cavity with atrialization of the upper portion of the right ventricle. There were also prominent dysplastic changes in both the septal and posterior leaflets of the tricuspid valve with thickening of the valve and fusion of leaflets to the wall of the ventricle...
September 20, 2017: Journal of Forensic Sciences
https://www.readbyqxmd.com/read/28939660/frequency-and-nature-of-coroners-recommendations-from-injury-related-deaths-among-nursing-home-residents-a-retrospective-national-cross-sectional-study
#4
Lyndal Bugeja, Marta H Woolford, Melissa Willoughby, David Ranson, Joseph E Ibrahim
BACKGROUND: Coroners are tasked with the investigation of unnatural and unexpected deaths. In Australia, the coroner's role also includes making recommendations for promoting interventions to improve public safety. However, the coroners' role in public health and safety in the aged care setting is an underexplored area of research. OBJECTIVES: To describe the frequency and nature of coroners' recommendations for prevention of harm from injury-related deaths among nursing home residents in Australia...
September 22, 2017: Injury Prevention: Journal of the International Society for Child and Adolescent Injury Prevention
https://www.readbyqxmd.com/read/28939283/histiocytoid-cardiomyopathy-and-ventricular-noncompaction-presenting-as-sudden-death-in-an-adult-male
#5
J Fernando Val-Bernal, Marta Mayorga, Clara Ortega, Emma Linares
Histiocytoid/oncocytic cardiomyopathy (HCM) is a rare, distinctive arrhythmogenic disorder that presents as arrhythmia or sudden death in infants and children. Ventricular noncompaction (VNC) is a rare cardiomyopathy characterized by a thickened endocardial layer of noncompacted myocardium and a thin epicardial layer of compacted myocardium. Only six cases of the association of both cardiomyopathies have been reported previously in the literature. All these cases were in children. To the best of our knowledge, a case of HCM has not been described in the adult...
September 7, 2017: Pathology, Research and Practice
https://www.readbyqxmd.com/read/28931858/loss-of-p73-in-ependymal-cells-during-the-perinatal-period-leads-to-aqueductal-stenosis
#6
Masashi Fujitani, Ryohei Sato, Toshihide Yamashita
The p53 family member p73 plays a critical role in brain development. p73 knockout mice exhibit a number of deficits in the nervous system, such as neuronal death, hydrocephalus, hippocampal dysgenesis, and pheromonal defects. Among these phenotypes, the mechanisms of hydrocephalus remain unknown. In this study, we generated a p73 knock-in (KI) mutant mouse and a conditional p73 knockout mouse. The homozygous KI mutants showed aqueductal stenosis. p73 was expressed in the ependymal cell layer and several brain areas...
September 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28931509/development-and-validation-of-qmortality-risk-prediction-algorithm-to-estimate-short-term-risk-of-death-and-assess-frailty-cohort-study
#7
Julia Hippisley-Cox, Carol Coupland
Objectives To derive and validate a risk prediction equation to estimate the short term risk of death, and to develop a classification method for frailty based on risk of death and risk of unplanned hospital admission.Design Prospective open cohort study.Participants Routinely collected data from 1436 general practices contributing data to QResearch in England between 2012 and 2016. 1079 practices were used to develop the scores and a separate set of 357 practices to validate the scores. 1.47 million patients aged 65-100 years were in the derivation cohort and 0...
September 20, 2017: BMJ: British Medical Journal
https://www.readbyqxmd.com/read/28928207/a-perfect-storm-increased-colonization-and-failure-of-vaccination-leads-to-severe-secondary-bacterial-infection-in-influenza-virus-infected-obese-mice
#8
Erik A Karlsson, Victoria A Meliopoulos, Nicholas C van de Velde, Lee-Ann van de Velde, Beth Mann, Geli Gao, Jason Rosch, Elaine Tuomanen, Jon McCullers, Peter Vogel, Stacey Schultz-Cherry
Obesity is a risk factor for developing severe disease following influenza virus infection; however, the comorbidity of obesity and secondary bacterial infection, a serious complication of influenza virus infections, is unknown. To fill this gap in knowledge, lean and obese C57BL/6 mice were infected with a nonlethal dose of influenza virus followed by a nonlethal dose of Streptococcus pneumoniae Strikingly, not only did significantly enhanced death occur in obese coinfected mice compared to lean controls, but also high mortality was seen irrespective of influenza virus strain, bacterial strain, or timing of coinfection...
September 19, 2017: MBio
https://www.readbyqxmd.com/read/28927324/parasagittal-meningioma-a-not-so-benign-entity
#9
Roger W Byard
While the majority of intracranial meningiomas have an indolent clinical course, sudden and unexpected death may rarely occur. Two cases are reported to demonstrate rapid clinical deterioration resulting in death in individuals with large, grade I, parasagittal meningiomas. Case 1 was a 46-year-old man with a history of headaches and epilepsy who suddenly collapsed and died. A large right frontal parasagittal meningioma with haemorrhage had compressed the brain and lateral ventricle, causing tonsillar herniation...
January 1, 2017: Medicine, Science, and the Law
https://www.readbyqxmd.com/read/28924347/the-mechanisms-of-graphene-based-materials-induced-programmed-cell-death-a-review-of-apoptosis-autophagy-and-programmed-necrosis
#10
REVIEW
Lingling Ou, Shaoqiang Lin, Bin Song, Jia Liu, Renfa Lai, Longquan Shao
Graphene-based materials (GBMs) are widely used in many fields, including biomedicine. To date, much attention had been paid to the potential unexpected toxic effects of GBMs. Here, we review the recent literature regarding the impact of GBMs on programmed cell death (PCD). Apoptosis, autophagy, and programmed necrosis are three major PCDs. Mechanistic studies demonstrated that the mitochondrial pathways and MAPKs (JNK, ERK, and p38)- and TGF-β-related signaling pathways are implicated in GBMs-induced apoptosis...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28923128/-items-for-criticism-not-in-sequence-joseph-delee-pare-lorentz-and-the-fight-for-life-1940
#11
Caitjan Gainty
In the late 1920s, the American obstetrician Joseph DeLee brought the motion-picture camera into the birth room. Following that era's trend of adapting industrial efficiency practices for medical environments, DeLee's films give spectacular and unexpected expression to the engineering concept of 'streamlining'. Accomplishing what more tangible obstetric streamlining practices had failed to, DeLee's cameras, and his post-production manipulation, shifted birth from messy and dangerous to rationalized, efficient, death-defying...
September 2017: British Journal for the History of Science
https://www.readbyqxmd.com/read/28923014/scn8a-mutations-in-chinese-patients-with-early-onset-epileptic-encephalopathy-and-benign-infantile-seizures
#12
Jiaping Wang, Hua Gao, Xinhua Bao, Qingping Zhang, Jiarui Li, Liping Wei, Xiru Wu, Yan Chen, Shujie Yu
BACKGROUND: SCN8A mutations have recently been associated with epilepsy and neurodevelopmental disorders. This study aimed to broaden the phenotypic-spectrum of disease related with SCN8A mutations. METHODS: To identify the pathogenic gene of a Chinese family, in which six members suffered from epilepsy, whole-exome sequencing was performed. In addition, target next-generation sequencing (NGS) was performed on 178 sporadic patients, who had epilepsy of unknown etiology within 6 months after birth...
September 18, 2017: BMC Medical Genetics
https://www.readbyqxmd.com/read/28922393/a-set-of-nutrient-limitations-trigger-yeast-cell-death-in-a-nitrogen-dependent-manner-during-wine-alcoholic-fermentation
#13
Camille Duc, Martine Pradal, Isabelle Sanchez, Jessica Noble, Catherine Tesnière, Bruno Blondin
Yeast cell death can occur during wine alcoholic fermentation. It is generally considered to result from ethanol stress that impacts membrane integrity. This cell death mainly occurs when grape musts processing reduces lipid availability, resulting in weaker membrane resistance to ethanol. However the mechanisms underlying cell death in these conditions remain unclear. We examined cell death occurrence considering yeast cells ability to elicit an appropriate response to a given nutrient limitation and thus survive starvation...
2017: PloS One
https://www.readbyqxmd.com/read/28921082/expression-analysis-of-transporter-genes-for-screening-candidate-monolignol-transporters-using-arabidopsis-thaliana-cell-suspensions-during-tracheary-element-differentiation
#14
Manami Takeuchi, Takahiro Kegasa, Atsushi Watanabe, Miho Tamura, Yuji Tsutsumi
The mechanism of monolignol transportation from the cytosol to the apoplast is still unclear despite being an essential step of lignification. Recently, ATP-binding cassette (ABC) transporters were suggested to be involved in monolignol transport. However, there are no reliable clues to the transporters of the major lignin monomers coniferyl and synapyl alcohol. In this study, the lignification progress of Arabidopsis cultured cells during tracheary element differentiation was monitored. The expression of selected transporter genes, as well as lignification and cell-wall formation related genes as references, in differentiating cultured cell samples harvested at 2-day intervals was analyzed by real-time PCR and the data were statistically processed...
September 18, 2017: Journal of Plant Research
https://www.readbyqxmd.com/read/28918379/infanrix-hexa-and-sudden-death-a-review-of-the-periodic-safety-update-reports-submitted-to-the-european-medicines-agency
#15
Jacob Puliyel, C Sathyamala
There have been a number of spontaneous reports of sudden unexpected death soon after the administration of Infanrix hexa (combined diphtheria, tetanus, acellular pertussis, hepatitis B, inactivated poliomyelitis and Haemophilus influenza type B vaccine). The manufacturer, GlaxoSmithKline (GSK), submits confidential periodic safety update reports (PSURs) on Infanrix hexa to the European Medicines Agency (EMA). The latest is the PSUR 19. Each PSUR contains an analysis of observed/expected sudden deaths, which shows that the number of observed deaths soon after immunisation is lower than that expected by chance...
September 5, 2017: Indian Journal of Medical Ethics
https://www.readbyqxmd.com/read/28917555/incidence-and-significance-of-adhesions-encountered-during-epicardial-mapping-and-ablation-of-ventricular-tachycardia-in-patients-with-no-history-of-prior-cardiac-surgery-or-pericarditis
#16
Anthony Li, Eric Buch, Noel G Boyle, Kalyanam Shivkumar, Jason S Bradfield
BACKGROUND: Pericardial adhesions can prevent epicardial access and restrict catheter movement during mapping and ablation of ventricular tachycardia (VT) . The incidence of adhesions in patients without prior cardiac surgery or clinically evident pericarditis is not known. OBJECTIVE: To describe the incidence of pericardial adhesions in patients without prior cardiac surgery or pericarditis and explore their impact. METHODS: A retrospective search of our ablation database containing patients who underwent epicardial ablation for VT was undertaken...
September 13, 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/28917499/association-of-sleep-with-sudden-unexpected-death-in-epilepsy
#17
REVIEW
Ahmer Ali, Shasha Wu, Naoum P Issa, Sandra Rose, Vernon L Towle, Peter Warnke, James X Tao
OBJECTIVE: The objective of this study was to determine the association of sleep with sudden unexpected death in epilepsy (SUDEP). METHODS: We conducted a systematic review and meta-analysis based on literature search from databases PubMed, Web of Science, and Scopus using keywords "SUDEP", or "sudden unexpected death in epilepsy", or "sudden unexplained death in epilepsy". Sudden unexpected death in epilepsy was considered to occur during sleep if the patient was found in bed, if the SUDEP cases were documented as in sleep, or if the patient was found at bedside on the bedroom floor...
September 13, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28917496/erratum-in-relation-of-household-income-to-incidence-of-sudden-unexpected-death-in-wake-county-north-carolina
#18
J Paul Mounsey
No abstract text is available yet for this article.
September 13, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28916371/ramucirumab-plus-docetaxel-versus-placebo-plus-docetaxel-in-patients-with-locally-advanced-or-metastatic-urothelial-carcinoma-after-platinum-based-therapy-range-a-randomised-double-blind-phase-3-trial
#19
Daniel P Petrylak, Ronald de Wit, Kim N Chi, Alexandra Drakaki, Cora N Sternberg, Hiroyuki Nishiyama, Daniel Castellano, Syed Hussain, Aude Fléchon, Aristotelis Bamias, Evan Y Yu, Michiel S van der Heijden, Nobuaki Matsubara, Boris Alekseev, Andrea Necchi, Lajos Géczi, Yen-Chuan Ou, Hasan Senol Coskun, Wen-Pin Su, Miriam Hegemann, Ivor J Percent, Jae-Lyun Lee, Marcello Tucci, Andrey Semenov, Fredrik Laestadius, Avivit Peer, Giampaolo Tortora, Sufia Safina, Xavier Garcia Del Muro, Alejo Rodriguez-Vida, Irfan Cicin, Hakan Harputluoglu, Ryan C Widau, Astra M Liepa, Richard A Walgren, Oday Hamid, Annamaria H Zimmermann, Katherine M Bell-McGuinn, Thomas Powles
BACKGROUND: Few treatments with a distinct mechanism of action are available for patients with platinum-refractory advanced or metastatic urothelial carcinoma. We assessed the efficacy and safety of treatment with docetaxel plus either ramucirumab-a human IgG1 VEGFR-2 antagonist-or placebo in this patient population. METHODS: We did a randomised, double-blind, phase 3 trial in patients with advanced or metastatic urothelial carcinoma who progressed during or after platinum-based chemotherapy...
September 12, 2017: Lancet
https://www.readbyqxmd.com/read/28903333/effect-of-pkc-inhibitor-on-experimental-autoimmune-myocarditis-in-lewis-rats
#20
Chunlian Zhong, Yang Wu, He Chang, Chunxiao Liu, Li Zhou, Jun Zou, Zhi Qi
Myocarditis is a major cause of sudden, unexpected death in young people. However, it is still one of the most challenging diseases to treat in cardiology. In the present study, we showed that both expression level and activity of PKC-α were up-regulated in the rat heart of experimental autoimmune myocarditis (EAM). Intraperitoneal administration of PKC inhibitor (Ro-32-0432) at the end of the most severe inflammation period of EAM still significantly reduced the EAM induced expression of failure biomarkers...
August 15, 2017: Oncotarget
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