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https://www.readbyqxmd.com/read/28641386/the-neurosteroid-pregnenolone-reverts-microtubule-derangement-induced-by-the-loss-of-a-functional-cdkl5-iqgap1-complex
#1
Isabella Barbiero, Diana Peroni, Marco Tramarin, Chetan Chandola, Laura Rusconi, Nicoletta Landsberger, Charlotte Kilstrup-Nielsen
CDKL5 is a protein kinase that plays a key role for neuronal functions as testified by the onset of complex neuronal dysfunctions in patients with genetic lesions in CDKL5. Here we identify a novel interactor of CDKL5, IQGAP1, a fundamental regulator of cell migration and polarity. In accordance with a functional role of this interaction, depletion of CDKL5 impairs cell migration and impedes the localization of IQGAP1 at the leading edge. Moreover, we demonstrate that CDKL5 is required for IQGAP1 to form a functional complex with its effectors, Rac1 and the microtubule plus end tracking protein CLIP170...
June 21, 2017: Human Molecular Genetics
https://www.readbyqxmd.com/read/28641358/-pain-treatment-after-thoracic-surgery
#2
Holger Hendrix, Vladimir Kamlak, Georgi Prisadov, Katrin Welcker
The treatment of pain after thoracic surgery is a challenge and takes place in the individual clinics mostly according to clinic internal standards. It exists no currently valid S3 guideline for the treatment of acute perioperative and posttraumatic pain. For an effective pain treatment as well individual pain experience as the pain intensity of the various thoracic surgical procedures must be considered. Regular pain assessment with appropriate methods and their documentation form the basis for adequate and adapted pain therapy...
June 2017: Zentralblatt Für Chirurgie
https://www.readbyqxmd.com/read/28641356/-tracheal-surgery
#3
Jan Volmerig, Erich Hecker
Surgery of the trachea is a specialised field in which many disciplines work jointly due to the variety of indications and the extended topography. Not only because of its particular functional importance, but also because of its complex morphology, anatomy and physiology, this organ represents a special therapeutic challenge. A variety of diseases require surgical procedures of the trachea; the therapeutic strategy is influenced both by the disease itself as well as patient-dependent parameters. Regardless of the nature of the underlying disorder, good results require a high level of expertise in airway management, a careful diagnosis and interventional planning as well as an experienced surgical team that masters extended operative techniques...
June 2017: Zentralblatt Für Chirurgie
https://www.readbyqxmd.com/read/28641323/ischaemia-reperfusion-injury-and-hyperbaric-oxygen-pathways-a-review-of-cellular-mechanisms
#4
REVIEW
Ashish Francis, Richard Baynosa
Ischaemia-induced tissue injury has wide-ranging clinical implications including myocardial infarction, stroke, compartment syndrome, ischaemic renal failure and replantation and revascularization. However, the restoration of blood flow produces a 'second hit' phenomenon, the effect of which is greater than the initial ischaemic event and characterizes ischaemia-reperfusion (IR) injury. Some examples of potential settings of IR injury include: following thrombolytic therapy for stroke, invasive cardiovascular procedures, solid organ transplantation, and major trauma resuscitation...
June 2017: Diving and Hyperbaric Medicine: the Journal of the South Pacific Underwater Medicine Society
https://www.readbyqxmd.com/read/28641312/impact-of-novel-mir-145-3p-regulatory-networks-on-survival-in-patients-with-castration-resistant-prostate-cancer
#5
Yusuke Goto, Akira Kurozumi, Takayuki Arai, Nijiro Nohata, Satoko Kojima, Atsushi Okato, Mayuko Kato, Kazuto Yamazaki, Yasuo Ishida, Yukio Naya, Tomohiko Ichikawa, Naohiko Seki
BACKGROUND: Despite recent advancements, metastatic castration-resistant prostate cancer (CRPC) is not considered curative. Novel approaches for identification of therapeutic targets of CRPC are needed. METHODS: Next-generation sequencing revealed 945-1248 miRNAs from each lethal mCRPC sample. We constructed miRNA expression signatures of CRPC by comparing the expression of miRNAs between CRPC and normal prostate tissue or hormone-sensitive prostate cancer (HSPC)...
June 22, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28641304/hyperemesis-gravidarum-a-review-of-recent-literature
#6
Viktoriya London, Stephanie Grube, David M Sherer, Ovadia Abulafia
BACKGROUND: In the United States, hyperemesis gravidarum is the most common cause of hospitalization during the first half of pregnancy and is second only to preterm labor for hospitalizations in pregnancy overall. In approximately 0.3-3% of pregnancies, hyperemesis gravidarum is prevalent and this percentage varies on account of different diagnostic criteria and ethnic variation in study populations. Despite extensive research in this field, the mechanism of the disease is largely unknown...
June 23, 2017: Pharmacology
https://www.readbyqxmd.com/read/28641295/diagnosis-assessment-and-therapeutic-strategy-for-colorectal-mixed-adenoneuroendocrine-carcinoma
#7
Toshiaki Tanaka, Manabu Kaneko, Hiroaki Nozawa, Shigenobu Emoto, Koji Murono, Kensuke Otani, Kazuhito Sasaki, Takeshi Nishikawa, Tomomichi Kiyomatsu, Keisuke Hata, Teppei Morikawa, Kazushige Kawai, Toshiaki Watanabe
No abstract text is available yet for this article.
June 23, 2017: Neuroendocrinology
https://www.readbyqxmd.com/read/28641287/chrysophanol-suppressed-glutamate-induced-hippocampal-neuronal-cell-death-via-regulation-of-dynamin-related-protein-1-dependent-mitochondrial-fission
#8
Unbin Chae, Ju-Sik Min, Hyun Hee Leem, Hyun-Shik Lee, Hong Jun Lee, Sang-Rae Lee, Dong-Seok Lee
Chrysophanic acid, or chrysophanol, is an anthraquinone found in Rheum palmatum, which was used in the preparation of oriental medicine in ancient China. The hippocampus plays a major role in controlling the activities of the short- and long-term memory. It is one of the major regions affected by excessive cell death in Alzheimer's disease. Therefore, neuronal cell-death modulation in the hippocampus is important for maintaining neuronal function. We investigated chrysophanol's effects on glutamate-induced hippocampal neuronal cell death...
June 23, 2017: Pharmacology
https://www.readbyqxmd.com/read/28641276/atherosclerosis-and-the-hydrogen-sulfide-signaling-pathway-therapeutic-approaches-to-disease-prevention
#9
Zhi-Jun Wang, Jian Wu, Wei Guo, Yi-Zhun Zhu
Hydrogen sulfide (H2S) is now admitted as a third gasotransmitter together with nitric oxide (NO) and carbon monoxide (CO), albeit it was originally considered as a foul and poisonous gas. Endogenous H2S production in mammalian cells is counting on the three enzymes acting on cysteine. Involvement of H2S in various physiological and pathological processes has been extensively studied in the last fifteen years. Mounting evidence suggests that H2S is able to protect against atherosclerosis development and progression...
June 23, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28641231/association-between-timing-of-intubation-and-outcome-in-critically-ill-patients-a-secondary-analysis-of-the-icon-audit
#10
Philippe R Bauer, Ognjen Gajic, Rahul Nanchal, Rahul Kashyap, Ignacio Martin-Loeches, Yasser Sakr, Stephan M Jakob, Bruno François, Xavier Wittebole, Richard G Wunderink, Jean-Louis Vincent
PURPOSE: The optimal timing of endotracheal intubation in critically ill patients requiring invasive mechanical ventilation remains undefined. MATERIAL AND METHODS: In a secondary analysis of the large, prospective ICON database, we used a piecewise proportional hazards model to compare outcomes in patients who underwent intubation early (within two days after intensive care unit [ICU] admission) or later. RESULTS: After excluding 5340 patients already intubated on admission or with therapeutic limitation, 4729 patients were analyzed, of whom 4074 never underwent intubation...
June 16, 2017: Journal of Critical Care
https://www.readbyqxmd.com/read/28641219/comparison-of-brand-versus-generic-antiepileptic-drug-adverse-event-reporting-rates-in-the-u-s-food-and-drug-administration-adverse-event-reporting-system-faers
#11
Md Motiur Rahman, Yasser Alatawi, Ning Cheng, Jingjing Qian, Annya V Plotkina, Peggy L Peissig, Richard L Berg, David Page, Richard A Hansen
OBJECTIVE: Despite the cost saving role of generic anti-epileptic drugs (AEDs), debate exists as to whether generic substitution of branded AEDs may lead to therapeutic failure and increased toxicity. This study compared adverse event (AE) reporting rates for brand vs. authorized generic (AG) vs. generic AEDs. Since AGs are pharmaceutically identical to brand but perceived as generics, the generic vs. AG comparison minimized potential bias against generics. METHODS: Events reported to the U...
June 13, 2017: Epilepsy Research
https://www.readbyqxmd.com/read/28641193/acute-hemobilia-from-a-pseudoaneurysm-of-the-cystic-artery-arising-from-the-left-hepatic-artery-case-report-and-literature-review
#12
Claudia Trombatore, Roberto Scilletta, Noemi Bellavia, Pietro Trombatore, Vincenzo Magnano S Lio, Giuseppe Petrillo, Antonio Di Cataldo
INTRODUCTION: Hemobilia represents only 6% of all causes of upper gastrointestinal bleeding. PRESENTATION OF CASE: We report a rare case of a bleeding pseudoaneurysm of the cystic artery, due to a re-activation of a chronic cholecystitis, which arose with a mixed symptomatology: jaundices and hematemesis. DISCUSSION: The rarity of our patient is increased for some vascular anatomic variations detected by Computed Tomography that influenced the management of the disease...
June 13, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28641164/protective-effects-of-flavonoids-against-alzheimer-s-disease-related-neural-dysfunctions
#13
REVIEW
Mahsa Bakhtiari, Yunes Panahi, Javad Ameli, Behrad Darvishi
Senile ages of human life is mostly associated with developmental of several neurological complicated conditions including decreased cognition and reasoning, increased memory loss and impaired language performance. Alzheimer's disease (AD) is the most prevalent neural disorder associated with dementia, consisting of about 70% of dementia reported cases. Failure of currently approved chemical anti-AD therapeutic agents has once again brought up the idea of administering naturally occurring compounds as effective alternative and/or complementary regimens in AD treatment...
June 19, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28641161/postural-control-in-blind-individuals-a-systematic-review
#14
REVIEW
Rodolfo Borges Parreira, Luanda André Collange Grecco, Claudia Santos Oliveira
Postural control (PC) requires the interaction of the three sensory systems for a good maintenance of the balance, and in blind people, lack of visual input can harm your PC. Thus the objective is to perform a literature review concerning role of sight in the maintenance of PC and the adaptation of brain structures when vision is absent. Studies were searched from Pubmed, and EMBASE that included individuals with congenital blindness. Articles studying person with acquired blindness or low vision was excluded from this review...
June 12, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28641133/abc-transporters-in-megakaryopoiesis-and-platelet-activity
#15
REVIEW
Wei Wang, Lorena Buitrago, Ying Wang
ATP-binding cassette (ABC) is a family of transporters that facilitates the translocation of substrates across cell membrane using its ATPase subunit. These transporters have key roles in multidrug resistance, lipid homeostasis, antigen processing, immunity, cell proliferation and hematopoiesis. Some ABC transporters are selectively expressed on megakaryocyte progenitor, megakaryocyte and its cellular fragment platelet. However, the role of ABC transporters in hemostasis and thrombosis were not well explored until recently...
June 14, 2017: Thrombosis Research
https://www.readbyqxmd.com/read/28641124/neural-repair-by-nt3-chitosan-via-enhancement-of-endogenous-neurogenesis-after-adult-focal-aspiration-brain-injury
#16
Peng Hao, Hongmei Duan, Fei Hao, Lan Chen, Min Sun, Kevin S Fan, Yi Eve Sun, David Williams, Zhaoyang Yang, Xiaoguang Li
The latent regenerative potential of endogenous neural stem/progenitor cells (NSCs) in the adult mammalian brain has been postulated as a likely source for neural repair. However, the inflammatory and inhibitory microenvironment after traumatic brain injury (TBI) prohibits NSCs from generating new functional neurons to restore brain function. Here we report a biodegradable material, chitosan, which, when loaded with neurotrophin-3 (NT3) and injected into the lesion site after TBI, effectively engaged endogenous NSCs to proliferate and migrate to the injury area...
April 26, 2017: Biomaterials
https://www.readbyqxmd.com/read/28641106/antisense-oligonucleotides-translation-from-mouse-models-to-human-neurodegenerative-diseases
#17
REVIEW
Kathleen M Schoch, Timothy M Miller
Multiple neurodegenerative diseases are characterized by single-protein dysfunction and aggregation. Treatment strategies for these diseases have often targeted downstream pathways to ameliorate consequences of protein dysfunction; however, targeting the source of that dysfunction, the affected protein itself, seems most judicious to achieve a highly effective therapeutic outcome. Antisense oligonucleotides (ASOs) are small sequences of DNA able to target RNA transcripts, resulting in reduced or modified protein expression...
June 21, 2017: Neuron
https://www.readbyqxmd.com/read/28641077/inhibition-of-early-growth-response-1-in-the-hippocampus-alleviates-neuropathology-and-improves-cognition-in-an-alzheimer-model-with-plaques-and-tangles
#18
Xike Qin, Yunling Wang, Hemant K Paudel
A sporadic form of Alzheimer disease (AD) and vascular dementia share many risk factors, and their pathogenic mechanisms are suggested to be related. Transcription factor early growth response 1 (Egr-1) regulates various vascular pathologies and is up-regulated in both AD brains and AD mouse models; however, its role in AD pathogenesis is unclear. Herein, we report that silencing of Egr-1 in the hippocampus by shRNA reduces tau phosphorylation, amyloid-β (Aβ) pathology, and improves cognition in the 3xTg-AD mouse model...
June 19, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28641048/updates-and-current-challenges-in-microrna-research-for-personalized-medicine-in-ovarian-cancer
#19
Victoria Mandilaras, Mégane Vernon, Matthieu Meryet-Figuière, Katherine Karakasis, Bernard Lambert, Laurent Poulain, Amit Oza, Christophe Denoyelle, Stephanie Lheureux
Ovarian cancer (OC) is the second most common and the most lethal of the gynecological malignancies. Currently, there exists no effective screening tool for OC. MicroRNAs (miRNAs) are endogenous 18-23 nucleotide non-coding RNAs that refine gene expression. MiRNAs have been found to be aberrantly expressed in OC tumor tissue as well as detectable in biological fluids such as the blood, urine, and ascites and have been proposed as biomarkers and therapeutic targets for OC. Areas covered: This review summarizes the current knowledge regarding the application of miRNAs as diagnostic, prognostic, and predictive biomarkers in OC...
June 22, 2017: Expert Opinion on Biological Therapy
https://www.readbyqxmd.com/read/28641047/the-interaction-of-distress-tolerance-and-intolerance-of-uncertainty-in-the-prediction-of-symptom-reduction-across-cbt-for-social-anxiety-disorder
#20
Danielle Katz, Neil A Rector, Judith M Laposa
Distress tolerance (DT) and intolerance of uncertainty (IU) have been identified as transdiagnostic processes that predict symptom severity across a range of distinct anxiety disorders. However, the joint effect of these two variables on therapeutic outcome has not yet been examined. It is possible that DT and IU may both impact on treatment response to cognitive-behavioural therapy (CBT) in clients with anxiety, as clients with weak DT and strong IU may be less likely to engage in exposure and cognitive restructuring tasks across treatment due to their associated distress...
June 22, 2017: Cognitive Behaviour Therapy
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