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https://www.readbyqxmd.com/read/28550519/drug-abuse-associated-mortality-across-the-lifespan-a-population-based-longitudinal-cohort-and-co-relative-analysis
#1
Kenneth S Kendler, Henrik Ohlsson, Kristina Sundquist, Jan Sundquist
PURPOSE: Nationwide data have been lacking on drug abuse (DA)-associated mortality. We do not know the degree to which this excess mortality results from the characteristics of drug-abusing individuals or from the effects of DA itself. METHOD: DA was assessed from medical, criminal, and prescribed drug registries. Relative pairs discordant for DA were obtained from the Multi-Generation and Twin Registers. Mortality was obtained from the Swedish Mortality registry...
May 26, 2017: Social Psychiatry and Psychiatric Epidemiology
https://www.readbyqxmd.com/read/28550436/short-periods-of-high-temperature-during-meiosis-prevent-normal-meiotic-progression-and-reduce-grain-number-in-hexaploid-wheat-triticum-aestivum-l
#2
Tracie Draeger, Graham Moore
Exposure of wheat to high temperatures during male meiosis prevents normal meiotic progression and reduces grain number. We define a temperature-sensitive period and link heat tolerance to chromosome 5D. This study assesses the effects of heat on meiotic progression and grain number in hexaploid wheat (Triticum aestivum L. var. Chinese Spring), defines a heat-sensitive stage and evaluates the role of chromosome 5D in heat tolerance. Plants were exposed to high temperatures (30 or 35 °C) in a controlled environment room for 20-h periods during meiosis and the premeiotic interphase just prior to meiosis...
May 26, 2017: TAG. Theoretical and Applied Genetics. Theoretische und Angewandte Genetik
https://www.readbyqxmd.com/read/28550243/apomorphine-therapy-for-neuronal-insulin-resistance-in-a-mouse-model-of-alzheimer-s-disease
#3
Norimichi Nakamura, Yasumasa Ohyagi, Tomohiro Imamura, Yuki T Yanagihara, Kyoko M Iinuma, Naoko Soejima, Hiroyuki Murai, Ryo Yamasaki, Jun-Ichi Kira
Apomorphine (APO) promotes intraneuronal amyloid-β (Aβ) degradation and improves memory function in an Alzheimer's disease (AD) model, 3xTg-AD mice. Since insulin resistance is increased in AD neurons, we investigated the effects of APO on brain insulin resistance in 3xTg-AD mice at early and late stages. After 1-month subcutaneous injection of Apokyn® to 3xTg-AD mice at 6 or 12 months of age, memory function was significantly improved in both age groups. Protein levels of insulin-degrading enzyme (IDE), which is linked to insulin signaling and degrades Aβ, significantly increased in the 3xTg-AD mice brain compared with non-transgenic mice, and were further increased by APO...
May 25, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28549942/tissue-specific-expression-profile-of-some-immune-related-genes-in-labeo-rohita-to-edwardsiella-tarda-infection
#4
Sajal Kole, Deepika Anand, Rupam Sharma, Gayatri Tripathi, Makesh M, Rajendran Kv, Megha Kadam Bedekar
Rohu (Labeo rohita), an Indian Major Carp (IMC) is an economically important aquaculture species in India. Inspite of the technological advances, infectious diseases caused by viruses, bacteria and parasites have been a major limiting factor in the development and profitability of fish farms. At present, information regarding the immune status of the Indian major carps is limited. This lack of knowledge is a major impediment for establishment of effective preventive measures against broad spectrum of infectious agents...
May 23, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28549846/physical-activity-and-age-related-macular-degeneration-a-systematic-literature-review-and-meta-analysis
#5
Myra B McGuinness, Jerome Le, Paul Mitchell, Bamini Gopinath, Ester Cerin, Nicole T M Saksens, Tina Schick, Carel B Hoyng, Robyn H Guymer, Robert P Finger
PURPOSE: Age-related macular degeneration (AMD) is the main cause of irreversible severe vision loss in developed countries. It has been suggested that a healthy lifestyle may assist in delaying the onset and progression of AMD, however evidence for an association between physical activity and age-related macular degeneration (AMD) remains inconclusive. DESIGN: Systematic review and meta-analysis METHODS: Medline, EMBASE and Google Scholar were systematically searched for studies up to May 2015...
May 23, 2017: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/28549694/d-dimer-is-associated-with-arterial-and-venous-coronary-artery-bypass-graft-occlusion
#6
Alessandro Parolari, Laura Cavallotti, Daniele Andreini, Veronika Myasoedova, Cristina Banfi, Marina Camera, Paolo Poggio, Fabio Barili, GianLuca Pontone, Luciana Mussoni, Chiara Centenaro, Francesco Alamanni, Elena Tremoli
OBJECTIVE: In this observational prospective study, we assessed the role of clinical variables and circulating biomarkers in graft occlusion at 18 months to identify a signature for graft occlusion. METHODS: A total of 330 patients undergoing primary elective coronary artery bypass grafting were enrolled. Blood collection for biomarker assessment was performed before surgery and discharge. Patients were then scheduled to undergo coronary computed tomography angiography at 18 months follow-up, and 179 patients underwent coronary computed tomography angiography 18 ± 2 months postoperatively...
April 27, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28549538/processing-of-word-stress-related-acoustic-information-a-multi-feature-mmn-study
#7
Ferenc Honbolygó, Orsolya Kolozsvári, Valéria Csépe
In the present study, we investigated the processing of word stress related acoustic features in a word context. In a passive oddball multi-feature MMN experiment, we presented a disyllabic pseudo-word with two acoustically similar syllables as standard stimulus, and five contrasting deviants that differed from the standard in that they were either stressed on the first syllable or contained a vowel change. Stress was realized by an increase of f0, intensity, vowel duration or consonant duration. The vowel change was used to investigate if phonemic and prosodic changes elicit different MMN components...
May 23, 2017: International Journal of Psychophysiology
https://www.readbyqxmd.com/read/28549481/late-onset-alzheimer-s-disease-genetics-implicates-microglial-pathways-in-disease-risk
#8
REVIEW
Anastasia G Efthymiou, Alison M Goate
Alzheimer's disease (AD) is a highly heritable complex disease with no current effective prevention or treatment. The majority of drugs developed for AD focus on the amyloid cascade hypothesis, which implicates Aß plaques as a causal factor in the disease. However, it is possible that other underexplored disease-associated pathways may be more fruitful targets for drug development. Findings from gene network analyses implicate immune networks as being enriched in AD; many of the genes in these networks fall within genomic regions that contain common and rare variants that are associated with increased risk of developing AD...
May 26, 2017: Molecular Neurodegeneration
https://www.readbyqxmd.com/read/28549298/divided-consumption-of-late-night-dinner-improves-glycemic-excursions-in-patients-with-type-2-diabetes-a-randomized-cross-over-clinical-trial
#9
Saeko Imai, Shizuo Kajiyama, Yoshitaka Hashimoto, Chikako Yamane, Takashi Miyawaki, Neiko Ozasa, Muhei Tanaka, Michiaki Fukui
AIMS: To explore the acute effect of late-night-dinner and divided dinner on postprandial glucose levels in patients with type 2 diabetes. METHODS: Sixteen patients were randomly assigned to this cross-over study. Each patient wore a continuous glucose monitor for 5days and consumed identical test meals for 3days. Patients consumed the test meals of dinner at 2100h (D21) or divided dinner (vegetable and rice at 1800h and the vegetable and the main dish at 2100h) on the second or fourth day, and dinner at 1800h (D18) on the third day...
May 16, 2017: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/28549180/relationships-among-self-perception-of-aging-physical-functioning-and-self-efficacy-in-late-life
#10
Hava Tovel, Sara Carmel, Victoria H Raveis
Objectives: The purpose of the current study was to examine the longitudinal relationship between 2 central concepts in the study of subjective well-being in old age-self-perception of aging (SPA) and physical functioning, and to assess the mediating role of self-efficacy beliefs in this relationship. Methods: Interviews were conducted in the home with 1,216 randomly selected persons aged 75+ years (T1) and repeated with 892 of them 2 years later (T2). We collected data on SPA, physical functioning, self-efficacy, self-rated health, and demographics...
May 25, 2017: Journals of Gerontology. Series B, Psychological Sciences and Social Sciences
https://www.readbyqxmd.com/read/28548706/45-gy-is-not-sufficient-radiotherapy-dose-for-group-iii-orbital-embryonal-rhabdomyosarcoma-after-less-than-complete-response-to-12-weeks-of-arst0331-chemotherapy-a-report-from-the-soft-tissue-sarcoma-committee-of-the-children-s-oncology-group
#11
Ralph P Ermoian, John Breneman, David O Walterhouse, Yueh-Yun Chi, Jane Meza, James Anderson, Douglas S Hawkins, Andrea A Hayes-Jordan, David M Parham, Torunn I Yock, Sarah S Donaldson, Suzanne L Wolden
BACKGROUND: Recent Children's Oncology Group (COG) trials tested the efficacy of reduced therapy in an effort to lessen late effects compared to the Intergroup Rhabdomyosarcoma Study (IRS) IV regimen with associated hematologic and hepatic toxicity, and infertility. Here, we analyze the efficacy of 45 Gray (Gy) local radiotherapy (RT) in patients with Group III orbital embryonal rhabdomyosarcoma (ERMS) enrolled on the COG low-risk study ARST0331. PROCEDURE: Sixty-two patients with Group III orbital ERMS were treated on ARST0331 with four cycles of vincristine (VCR), dactinomycin (DACT), and cyclophosphamide (CPM; VAC, total cumulative CPM dose 4...
May 26, 2017: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/28548204/endovascular-treatment-for-ruptured-abdominal-aortic-aneurysm
#12
REVIEW
Stephen Badger, Rachel Forster, Paul H Blair, Peter Ellis, Frank Kee, Denis W Harkin
BACKGROUND: An abdominal aortic aneurysm (AAA) (pathological enlargement of the aorta) is a condition that can occur as a person ages. It is most commonly seen in men older than 65 years of age. Progressive aneurysm enlargement can lead to rupture and massive internal bleeding, which is fatal unless timely repair can be achieved. Despite improvements in perioperative care, mortality remains high (approximately 50%) after conventional open surgical repair. Endovascular aneurysm repair (EVAR), a minimally invasive technique, has been shown to reduce early morbidity and mortality as compared to conventional open surgery for planned AAA repair...
May 26, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28547923/pediatric-heart-disease-simulation-curriculum-educating-the-pediatrician
#13
Tyler H Harris, Mark Adler, Sharon M Unti, Mary E McBride
BACKGROUND: Training guidelines state that pediatricians should be able to diagnose, manage, and triage patients with heart disease. Acutely ill cardiac patients present infrequently and with high acuity, yet residents receive less exposure to acute cardiac conditions than previous generations. Trainees must learn to manage these situations despite this gap. Simulation has been used successfully to train learners to provide acute care. We hypothesized that a simulation-based cardiac curriculum would improve residents' ability to manage cardiac patients...
May 26, 2017: Congenital Heart Disease
https://www.readbyqxmd.com/read/28547526/rab21-a-novel-ps1-interactor-regulates-%C3%AE-secretase-activity-via-ps1-subcellular-distribution
#14
Zhenzhen Sun, Yujie Xie, Yintong Chen, Qinghu Yang, Zhenzhen Quan, Rongji Dai, Hong Qing
γ-Secretase has been a therapeutical target for its key role in cleaving APP to generate β-amyloid (Aβ), the primary constituents of senile plaques and a hallmark of Alzheimer's disease (AD) pathology. Recently, γ-secretase-associating proteins showed promising role in specifically modulating APP processing while sparing Notch signaling; however, the underlying mechanism is still unclear. A co-immunoprecipitation (Co-IP) coupled with mass spectrometry proteomic assay for Presenilin1 (PS1, the catalytic subunit of γ-secretase) was firstly conducted to find more γ-secretase-associating proteins...
May 25, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28546560/potential-decline-in-carbon-carrying-capacity-under-projected-climate-wildfire-interactions-in-the-sierra-nevada
#15
Shuang Liang, Matthew D Hurteau, Anthony LeRoy Westerling
Ecosystem carbon carrying capacity (CCC) is determined by prevailing climate and natural disturbance regimes, conditions that are projected to change significantly. The interaction of changing climate and its effects on disturbance regimes is expected to affect forest regeneration and growth, which may diminish forest carbon (C) stocks and uptake. We modeled landscape C dynamics over 590 years along the latitudinal gradient of the U.S. Sierra Nevada Mountains under climate and area burned by large wildfires projected by late 21(st) century...
May 25, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28546535/a-novel-prkag2-mutation-in-a-chinese-family-with-cardiac-hypertrophy-and-ventricular-pre-excitation
#16
Kun-Qi Yang, Chao-Xia Lu, Ying Zhang, Yan-Kun Yang, Jia-Cheng Li, Tian Lan, Xu Meng, Peng Fan, Tao Tian, Lin-Ping Wang, Ya-Xin Liu, Xue Zhang, Xian-Liang Zhou
PRKAG2 syndrome is a rare autosomal dominant inherited disorder that is characterized by cardiac hypertrophy, ventricular pre-excitation and conduction system abnormalities. There is little knowledge in cardiovascular magnetic resonance (CMR) characteristics of PRKAG2 cardiomyopathy. This study investigated the genetic defect in a three-generation Chinese family with cardiac hypertrophy and ventricular pre-excitation using whole-exome sequencing. A novel missense mutation, c.1006 G > T (p.V336L), was identified in PRKAG2...
May 25, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28546378/pediatric-lung-transplantation
#17
Stuart C Sweet
Pediatric lung transplant is a viable option for treatment of end-stage lung disease in children, with > 100 pediatric lung transplants reported to the Registry of the International Society of Heart and Lung Transplantation each year. Long-term success is limited by availability of donor organs, debilitation as a result of chronic disease, impaired mucus clearance resulting from both surgical and pharmacologic interventions, increased risk for infection resulting from immunosuppression, and most importantly late complications, such as chronic lung allograft dysfunction...
June 2017: Respiratory Care
https://www.readbyqxmd.com/read/28545724/the-role-of-ca-2-in-cell-death-caused-by-oxidative-glutamate-toxicity-and-ferroptosis
#18
REVIEW
Pamela Maher, Klaus van Leyen, Partha Narayan Dey, Birgit Honrath, Amalia Dolga, Axel Methner
Ca(2+) ions play a fundamental role in cell death mediated by oxidative glutamate toxicity or oxytosis, a form of programmed cell death similar and possibly identical to other forms of cell death like ferroptosis. Ca(2+) influx from the extracellular space occurs late in a cascade characterized by depletion of the intracellular antioxidant glutathione, increases in cytosolic reactive oxygen species and mitochondrial dysfunction. Here, we aim to compare oxidative glutamate toxicity with ferroptosis, address the signaling pathways that culminate in Ca(2+) influx and cell death and discuss the proteins that mediate this...
May 12, 2017: Cell Calcium
https://www.readbyqxmd.com/read/28545504/a-case-report-of-zinc-phosphide-poisoning-complicated-by-acute-renal-failure-and-tubulo-interstitial-nephritis
#19
Nilukshana Yogendranathan, H M M T B Herath, Thenuka Sivasundaram, R Constantine, Aruna Kulatunga
BACKGROUND: Run Rat® is a rodenticide widely used against small mammals. It comprises of a minimum of 32% zinc phosphide which is highly toxic in acute exposures to humans. It may be consumed accidentally or intentionally. It enters the body via skin, respiratory and gastrointestinal tracts. Zinc phosphide is hydrolyzed by the gastric acid and is transformed into phosphine gas. Phosphine is a respiratory toxin that inhibits cytochrome C oxidase system resulting in renal failure and liver failure...
May 25, 2017: BMC Pharmacology & Toxicology
https://www.readbyqxmd.com/read/28545247/how-does-psychosocial-behavior-contribute-to-cognitive-health-in-old-age
#20
Robert S Wilson, David A Bennett
With the aging of the U.S. population, the number of cognitively disabled persons is expected to substantially increase in coming decades, underscoring the urgent need for effective interventions. Here, we review the current evidence linking psychosocial factors to late-life cognitive loss and consider the study design needed to illuminate the biologic bases of the associations. We then examine an ongoing study that includes several of the key design elements, the Rush Memory and Aging Project. In this longitudinal clinical-pathological cohort study, indicators of personality, social connectedness, and psychological well-being were shown to predict late-life cognitive outcomes...
May 23, 2017: Brain Sciences
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