نتایج جستجو برای: lts
تعداد نتایج: 1425 فیلتر نتایج به سال:
Glioblastoma multiforme (GBM) is the most common and aggressive adult primary brain cancer, with <10% of patients surviving for more than 3 years. Demographic and clinical factors (e.g. age) and individual molecular biomarkers have been associated with prolonged survival in GBM patients. However, comprehensive systems-level analyses of molecular profiles associated with long-term survival (LTS)...
Leukotrienes (LTs), formed by the 5-lipoxygenase-(5-LO-) catalyzed oxidation of arachidonic acid, are lipid mediators that have potent proinflammatory activities. Pharmacologic or genetic inhibition of 5-LO biosynthesis in animals is associated with increased mortality and impaired clearance of bacteria, fungi, and parasites. LTs play a role in the control of helminth and protozoan infections b...
In Aplysia, repeated trials of aversive stimuli produce long-term sensitization (LTS) of defensive reflexes and suppression of feeding. Whereas the cellular underpinnings of LTS have been characterized, the mechanisms of feeding suppression remained unknown. Here, we report that LTS training induced a long-term decrease in the excitability of B51 (a decisionmaking neuron in the feeding circuit)...
A kinematics model that describes not only the motion but also the geometric variations of LTS is developed. Through error analysis of the proposed model, it is claimed that gimbals axis misalignments and tracking mirror center offset are the key contributor to measuring errors of LTS. A self-calibration method is presented to calibrate LTS with planar constraints. Various calibration strategie...
Objective To assess the impact of service improvements implemented because of latent threats (LTs) detected during in situ simulation. Design Retrospective review from April 2008 to April 2015. Setting Paediatric Intensive Care Unit in a specialist tertiary hospital. Intervention Service improvements from LTs detection during in situ simulation. Action plans from patient safety incidents ...
The circadian clock modulates the induction of long-term sensitization (LTS) in Aplysia such that long-term memory formation is significantly suppressed when animals are trained at night. We investigated whether the circadian clock modulated core molecular processes necessary for memory formation in vivo by analyzing circadian regulation of basal and LTS-induced levels of phosphorylated mitogen...
In Aplysia, repeated trials of aversive stimuli produce long-term sensitization (LTS) of defensive reflexes and suppression of feeding. Whereas the cellular underpinnings of LTS have been characterized, the mechanisms of feeding suppression remained unknown. Here, we report that LTS training induced a long-term decrease in the excitability of B51 (a decision-making neuron in the feeding circuit...
BACKGROUND A very small proportion of patients diagnosed with glioblastoma (GBM) survive more than 3 years. Isocitrate dehydrogenase 1 or 2 (IDH1/2) mutations define a small subgroup of GBM patients with favourable prognosis. However, it remains controversial whether long-term survivors (LTS) are found among those IDH1/2 mutated patients. METHODS We retrospectively analyzed 207 GBM patients f...
OBJECTIVE To describe a new simulator, SurgicalSIM LTS, and summarize our preliminary experience with system. METHODS LTS was evaluated in 3 studies: (1) 124 participants from 3 Canadian universities: 13 students; 30 residents, fellows, attendings from surgery; 59 gynecologists; 22 urologists were classified based on laparoscopic experience as novice, intermediate, competent, or expert. All w...
تعداد در هکتار در یک جامعه جنگلی بیانگر وضعیت موجود بوده و پایش آن، در ارزیابی تغییرات توده های جنگلی بسیار اهمیت دارد. از طرف دیگر، کاربرد روشهای فاصله ای در برآورد تراکم در جنگل، به ویژه جنگلهای تنک، گسترش فراوان یافته است. بنابراین این پژوهش با هدف معرفی و مقایسه دو روش مهم lts و lis در برآورد تعداد در هکتار درختان بنه در جنگلهای زاگرس انجام شد. بخشی از جنگل تحقیقاتی بنه در استان فارس با مسا...
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