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https://www.readbyqxmd.com/read/28930754/simvastatin-a-novel-stimulator-of-eryptosis-the-suicidal-erythrocyte-death
#1
Abdulla Al Mamun Bhuyan, Sigrid Nüßle, Hang Cao, Shaqiu Zhang, Florian Lang
BACKGROUND/AIMS: The 3-hydroxy-3-methyl-glutaryl-Coenzyme A (HMG-CoA) reductase inhibitor simvastatin has been shown to trigger apoptosis of several cell types. The substance has thus been proposed as an additional treatment of malignancy. Similar to apoptosis of nucleated cells, erythrocytes may enter eryptosis, the suicidal erythrocyte death. Hallmarks of eryptosis include cell shrinkage and cell membrane scrambling with phosphatidylserine translocation to the extracellular face of the erythrocyte cell membrane...
September 20, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28930717/inhibition-of-erythrocyte-cell-membrane-scrambling-by-asp3026
#2
Abdulla Al Mamun Bhuyan, Rosi Bissinger, Hang Cao, Florian Lang
BACKGROUND/AIMS: The anaplastic lymphoma kinase (ALK) inhibitor ASP3026 is in clinical development for the treatment of ALK expressing non-small cell lung carcinoma (NSCLC). ASP3026 is in part effective by inducing apoptosis of tumor cells. Erythrocytes lack mitochondria and nuclei, key organelles in the execution of apoptosis, but are nevertheless able to enter suicidal death or eryptosis, which is characterized by cell membrane scrambling with phosphatidylserine translocation to the cell surface and by cell shrinkage...
September 20, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28927710/the-hanging-of-derek-bentley-a-19-year-old-boy-with-epilepsy
#3
Mia Tuft, Karl O Nakken
Derek Bentley (1933-1953) was sentenced to death by hanging at the age of 19. He was convicted as a party to murder, and he died in Wandsworth Prison in London. After the police had reached the crime scene, he ostensibly shouted to his 16-year-old friend Christopher (Chris) Craig the ambiguous phrase, "Let him have it, Chris!" Chris fired shots at two policemen, wounding one and killing another. Derek Bentley had epilepsy and a mental age of about 11, and he could neither read nor write. In 1993, 40years after his death, he received a posthumous pardon from the British government...
September 15, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28926821/autopsies-in-the-elderly-erzurum-study
#4
Ozge Timur, Pinar Tosun Tasar, Merve Gulsah Ulusoy, Azem Irez, Filiz Yildirim, Dogan Nasir Binici, Sevnaz Sahin, Ahmet Nezih Kok
INTRODUCTION: Clinical and forensic autopsies are the best methods for determining cause of death. The aim of this study was to determine demographic and etiologic characteristics in geriatric forensic cases analyzed in Erzurum, Turkey. MATERIALS AND METHODS: Autopsy reports and prosecution documents of decedents aged 65 and older autopsied in the Morgue Specialization Department of the Forensic Medicine Institute, Erzurum Division between January 1, 2010 and December 31, 2015 were screened retrospectively...
September 12, 2017: Journal of Forensic and Legal Medicine
https://www.readbyqxmd.com/read/28903766/fluoxetine-enhanced-autophagy-ameliorates-early-brain-injury-via-inhibition-of-nlrp3-inflammasome-activation-following-subrachnoid-hemorrhage-in-rats
#5
Jian-Ru Li, Hang-Zhe Xu, Sheng Nie, Yu-Cong Peng, Lin-Feng Fan, Zhi-Jiang Wang, Cheng Wu, Feng Yan, Jing-Yin Chen, Chi Gu, Chun Wang, Jing-Sen Chen, Lin Wang, Gao Chen
BACKGROUND: The NLRP3 inflammasome is a multiprotein complex that regulates the innate immune inflammatory response by activating caspase-1 and subsequent IL-1β and IL-18. Fluoxetine has been shown to have the anti-inflammatory properties in many disease models. However, the effects and mechanisms of these effects of fluoxetine in early brain injury after subarachnoid hemorrhage (SAH) have not been defined. METHODS: The SAH model was induced by an endovascular perforation in adult male Sprague-Dawley (SD) rats weighing 300-320 g...
September 13, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28903327/pericardial-effusion-is-correlated-with-clinical-outcome-after-pulmonary-artery-denervation-for-pulmonary-arterial-hypertension
#6
Shao-Liang Chen, Hang Zhang, Du-Jiang Xie, Juan Zhang, Ling Zhou, Meng-Xuan Chen, Gregg W Stone
OBJECTIVES: Pericardial effusion (PE) is correlated with outcomes in patients with pulmonary arterial hypertension (PAH). Pulmonary artery denervation (PADN) was used for treatment of PAH. The present study aimed to analyze the prognostic value of PE for outcomes after PADN in patients with WHO Group I, Group II and Group IV PAH. RESULTS: PE, frequently seen in patients with connective tissue disease, was featured by fast heart rate, decreased exercise capacity, more syncope, worsening pulmonary arterial hemodynamic and right atrium size...
August 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28899927/mir-138-protects-cardiac-cells-against-hypoxia-through-modulation-of-glucose-metabolism-by-targeting-pyruvate-dehydrogenase-kinase-1-pdk1
#7
Hang Zhu, Hao Xue, Qin-Hua Jin, Jun Guo, Yun-Dai Chen
Dysfunction of cardiac cells under hypoxia has been identified as an essential event leading to myocytes functional failure. MicroRNAs (miRNAs) are importantly regulatory small-noncoding RNAs that negatively regulate gene expression through the direct binding of 3'UTR region of their target mRNAs (12). Recent studies have demonstrated that miRNAs are aberrantly expressed in the cardiovascular system under pathological conditions (13-17). Pyruvate Dehydrogenase Kinase 1 (PDK1) is a kinase which phosphorylates Pyruvate Dehydrogenase to inactivate it, leading to elevated anaerobic glycolysis and decreased cellular respiration...
September 12, 2017: Bioscience Reports
https://www.readbyqxmd.com/read/28880263/lrp6-is-identified-as-a-potential-prognostic-marker-for-oral-squamous-cell-carcinoma-via-maldi-ims
#8
Yao Yuan, Xiaoyan Xie, Yuchen Jiang, Zihao Wei, Peiqi Wang, Fangman Chen, Xinyi Li, Chongkui Sun, Hang Zhao, Xin Zeng, Lu Jiang, Yu Zhou, Hongxia Dan, Mingye Feng, Rui Liu, Zhiyong Wang, Qianming Chen
Oral squamous cell carcinoma (OSCC) is a leading cause of cancer-related deaths worldwide, with 500 000 new cases each year. However, the mechanisms underlying OSCC development are relatively unknown. In this study, matrix-assisted laser desorption ionization imaging mass spectrometry (MALDI-IMS)-based proteomic strategy was used to profile the differentially expressed peptides/proteins between OSCC tissues and their adjacent noncancerous tissues. Sixty-seven unique peptide peaks and five distinct proteins were identified with changed expression levels...
September 7, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28877065/hpv-related-multiphenotypic-sinonasal-carcinoma-an-expanded-series-of-49-cases-of-the-tumor-formerly-known-as-hpv-related-carcinoma-with-adenoid-cystic-carcinoma-like-features
#9
Justin A Bishop, Simon Andreasen, Jen-Fan Hang, Martin J Bullock, Tiffany Y Chen, Alessandro Franchi, Joaquin J Garcia, Douglas R Gnepp, Carmen R Gomez-Fernandez, Stephan Ihrler, Ying-Ju Kuo, James S Lewis, Kelly R Magliocca, Stefan Pambuccian, Ann Sandison, Emmanuelle Uro-Coste, Edward Stelow, Katalin Kiss, William H Westra
Human papillomavirus (HPV)-related multiphenotypic sinonasal carcinoma (HMSC), originally known as HPV-related carcinoma with adenoid cystic carcinoma-like features, is a peculiar neoplasm that is restricted to the sinonasal tract, exhibits features of both a surface-derived and salivary gland carcinoma (particularly adenoid cystic carcinoma), and is associated with high-risk HPV. Given the limited number of published cases, the full clinicopathologic spectrum of this neoplasm is unclear. Here, we present an updated experience of 49 cases...
September 4, 2017: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28864067/a-novel-chemoradiation-targeting-stem-and-nonstem-pancreatic-cancer-cells-by-repurposing-disulfiram
#10
Juan Cong, Yangyang Wang, Xiao Zhang, Nan Zhang, Ling Liu, Klara Soukup, Theodoros Michelakos, Theodore Hong, Albert DeLeo, Lei Cai, Francesco Sabbatino, Soldano Ferrone, Hang Lee, Vera Levina, Bryan Fuchs, Kenneth Tanabe, Keith Lillemoe, Cristina Ferrone, Xinhui Wang
Pancreatic ductal adenocarcinoma (PDAC) has a 5-year relative survival rate of 8% and is projected to be the second leading cause of cancer death by 2030, underscoring the urgency to develop new strategies to improve current therapeutic modalities for PDAC. Targeting pancreatic cancer stem cells (PCSCs), which are resistant to radiation and chemotherapy, is a promising strategy. A novel approach which can be readily clinically translated is to repurpose disulfiram (DSF), a drug for treating alcoholism, to target PCSCs...
August 30, 2017: Cancer Letters
https://www.readbyqxmd.com/read/28836952/pr-interval-prolongation-in-coronary-patients-or-risk-equivalent-excess-risk-of-ischemic-stroke-and-vascular-pathophysiological-insights
#11
Yap-Hang Chan, Jo Jo Hai, Kui-Kai Lau, Sheung-Wai Li, Chu-Pak Lau, Chung-Wah Siu, Kai-Hang Yiu, Hung-Fat Tse
BACKGROUND: Whether PR prolongation independently predicts new-onset ischemic events of myocardial infarction and stroke was unclear. Underlying pathophysiological mechanisms of PR prolongation leading to adverse cardiovascular events were poorly understood. We investigated the role of PR prolongation in pathophysiologically-related adverse cardiovascular events and underlying mechanisms. METHODS: We prospectively investigated 597 high-risk cardiovascular outpatients (mean age 66 ± 11 yrs...
August 24, 2017: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/28835280/epidemiological-study-of-suicide-by-physical-methods-between-1993-and-2013-in-ilam-province-iran
#12
Yosra Azizpour, Kourosh Sayehmiri, Khairollah Asadollahi, Satar Kaikhavani, Maryam Bagheri
BACKGROUND: Suicide by aggressive physical methods such as firearms, hanging, and jumping is well known; however, different factors may influence a person while selecting a particular method. The aim of this study was to investigate the epidemiological factors involved in the selection and use of different physical methods for suicide over a long-term period in Ilam province, Iran. METHODS: The present study was conducted retrospectively between 1993 and 2013 using recorded data from a comprehensive system for registration of suicide attempts in Ilam University of Medical Sciences...
August 23, 2017: BMC Psychiatry
https://www.readbyqxmd.com/read/28833472/youth-suicide-deaths-investigation-of-clinical-predictors-in-a-statewide-sample
#13
Brooks R Keeshin, Doug Gray, Chong Zhang, Angela P Presson, Hilary Coon
Death by suicide is a significant cause of mortality among youth. However, there is limited information on the demographic and clinical factors associated with youth suicide deaths. The objective of this study was to link large statewide databases to describe demographic, clinical, and cause of death characteristics among youth who died by suicide. We examined 1,218 decedents under age 26 who died by suicie between 2000 and 2014. Eighteen died before age 12, 53 died between ages 12 and 14, 292 died between ages 15 and 18, and 855 died between ages 19 and 25...
August 22, 2017: Suicide & Life-threatening Behavior
https://www.readbyqxmd.com/read/28819718/a-tree-branch-instead-of-a-ligature-an-unusual-accidental-hanging
#14
Amal Nishantha Vadysinghe, Murugupillai Sivasubramanium, Rankothge Pemasiri Jayasooriya
A unique case of accidental hanging due to compression of the neck of an adult by the branches of a coffee tree is reported. The decedent was a 42-year-old male who was found dead in a semi prone position on a slope. His neck was lodged in a wedge formed by two branches of a coffee tree, with his legs angled downwards on the slope. Autopsy revealed two friction abrasions located horizontally on either side of the front of the neck, just above the larynx. The findings were compatible with compression of the neck by the branches of the tree, with the body weight of the decedent contributing to compression...
August 18, 2017: Forensic Science, Medicine, and Pathology
https://www.readbyqxmd.com/read/28809622/suicide-in-pretoria-a-retrospective-review-2007-2010
#15
Cornelia Engelbrecht, Ryan Blumenthal, Neil K Morris, Gert Saayman
BACKGROUND: The World Health Organization has declared suicide a global ealth crisis, predicting that ~1.53 million people will commit suicide annually by 2020. OBJECTIVE: A study from South Africa reviewed 1 018 suicide cases in Pretoria over 4 years (1997 - 2000). Our study was undertaken to establish whether there have been substantial changes in the profile of suicide victims who died in Pretoria a decade later. METHODS: Case records at the Pretoria Medico-Legal Laboratory were reviewed retrospectively from 2007 to 2010...
July 28, 2017: South African Medical Journal, Suid-Afrikaanse Tydskrif Vir Geneeskunde
https://www.readbyqxmd.com/read/28804791/intelligent-mortality-reporting-with-fhir
#16
Ryan A Hoffman, Hang Wu, Janani Venugopalan, Paula Braun, May D Wang
One pressing need in the area of public health is timely, accurate, and complete reporting of deaths and the conditions leading up to them. Fast Healthcare Interoperability Resources (FHIR) is a new HL7 interoperability standard for electronic health record (EHR), while Sustainable Medical Applications and Reusable Technologies (SMART)-on-FHIR enables third-party app development that can work "out of the box". This research demonstrates the feasibility of developing SMART-on-FHIR applications to enable medical professionals to perform timely and accurate death reporting within multiple different jurisdictions of US...
February 2017: IEEE-EMBS International Conference on Biomedical and Health Informatics
https://www.readbyqxmd.com/read/28793293/triggering-of-eryptosis-the-suicidal-erythrocyte-death-by-mammalian-target-of-rapamycin-mtor-inhibitor-temsirolimus
#17
Abdulla Al Mamun Bhuyan, Hang Cao, Florian Lang
BACKGROUND/AIMS: The mammalian target of rapamycin (mTOR) inhibitor temsirolimus is utilized for the treatment of malignancy. Temsirolimus is at least in part effective by triggering suicidal tumor cell death. The most common side effect of temsirolimus treatment is anemia. At least in theory, the anemia following temsirolimus treatment could result from stimulation of eryptosis, the suicidal erythrocyte death. Hallmarks of eryptosis include cell shrinkage and cell membrane scrambling with phosphatidylserine translocation to the erythrocyte surface...
July 24, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28790012/mdivi-1-ameliorates-early-brain-injury-after-subarachnoid-hemorrhage-via-the-suppression-of-inflammation-related-blood-brain-barrier-disruption-and-endoplasmic-reticulum-stress-based-apoptosis
#18
Lin-Feng Fan, Ping-You He, Yu-Cong Peng, Qing-Hua Du, Yi-Jun Ma, Jian-Xiang Jin, Hang-Zhe Xu, Jian-Ru Li, Zhi-Jiang Wang, Sheng-Long Cao, Tao Li, Feng Yan, Chi Gu, Lin Wang, Gao Chen
Aberrant modulation of mitochondrial dynamic network, which shifts the balance of fusion and fission towards fission, is involved in brain damage of various neurodegenerative diseases including Parkinson's disease, Huntington's disease and Alzheimer's disease. A recent research has shown that the inhibition of mitochondrial fission alleviates early brain injury after experimental subarachnoid hemorrhage, however, the underlying molecular mechanisms have remained to be elucidated. This study was undertaken to characterize the effects of the inhibition of dynamin-related protein-1 (Drp1, a dominator of mitochondrial fission) on blood-brain barrier (BBB) disruption and neuronal apoptosis following SAH and the potential mechanisms...
August 5, 2017: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/28772156/elderly-suicide-in-eskisehir-turkey
#19
Kenan Karbeyaz, Adnan Çelikel, Emrah Emiral, Gülsüm Öztürk Emiral
Old age should be examined separately from other stages of life in terms of ratio, method and motives for suicide. With some variation, epidemiological studies suggest suicides increase with age in virtually every society. This study examines demographic data (age, sex and marital status), and other factors related to 20-years (1997-2016) of completed elder suicides in Eskisehir, Turkey. The 74 cases of those 65 and over were evaluated with regard to method, tool and location of the suicide. Annual distributions illustrate gradual increases in this fatal self-harm over time...
June 27, 2017: Journal of Forensic and Legal Medicine
https://www.readbyqxmd.com/read/28748353/mir-93-enhances-hepatocellular-carcinoma-invasion-and-metastasis-by-emt-via-targeting-pdcd4
#20
Chunmei Ji, Hang Liu, Qiang Yin, Hui Li, Han Gao
OBJECTIVES: To clarify the potential biological function of miR-93 and its related molecular mechanism underlying metastasis in human hepatocellular carcinoma (HCC). RESULTS: miR-93 was significantly up-regulated in HCC tissues and was associated with poor 5-year overall survival in HCC patients. Transwell assays showed that over-expression of miR-93 increased HCC cell migration and invasion in vitro. Programmed cell death 4 (PDCD4) was a target gene of miR-93 and miR-93 could down-regulate the expression of PDCD4 by directly targeting its 3'-UTR...
July 26, 2017: Biotechnology Letters
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