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https://www.readbyqxmd.com/read/29352758/-arthroscopic-rotator-cuff-surgery-new-and-established-methods
#1
REVIEW
S Pauly, M Scheibel
This present article summarizes established and current developments and aspects of rotator cuff surgery. Achieved milestones as well as current approaches are presented and assessed with respect to their clinical and radiographic impact. Despite biomechanical and technical improvements in modern rotator cuff repair techniques, re-defect and re-tearing rates could not be fully eliminated. Meanwhile, the importance of biological processes around successful tendon-bone reintegration has been increasingly recognized...
January 19, 2018: Der Orthopäde
https://www.readbyqxmd.com/read/29352677/surface-structure-and-tribology-of-legless-squamate-reptiles
#2
REVIEW
Hisham A Abdel-Aal
Squamate reptiles (around 10,000 species of snakes and lizards) comprise a myriad of distinct terrestrial vertebrates. The diversity within this biological group offers a great opportunity for customized bio-inspired solutions that address a variety of current technological problems especially within the realm of surface engineering and tribology. One subgroup within squamata is of interest in that context, namely the legless reptiles (mainly snakes and few lizards). The promise of that group lies within their functional adaptation as manifested in optimized surface designs and locomotion that is distinguished by economy of effort even when functioning within hostile tribological environments...
November 8, 2017: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/29352588/pulmonary-reinterventions-after-complete-unifocalization-and-repair-in-infants-and-young-children-with-tetralogy-of-fallot-with-major-aortopulmonary-collaterals
#3
Holly Bauser-Heaton, Alejandro Borquez, Ritu Asija, Lisa Wise-Faberowski, Yulin Zhang, Laura Downey, Stanton B Perry, Andrew Koth, Lynn F Peng, Claudia A Algaze, Frank L Hanley, Doff B McElhinney
BACKGROUND: Our institutional approach to tetralogy of Fallot (TOF) with major aortopulmonary collaterals (MAPCAs) emphasizes unifocalization and augmentation of the reconstructed pulmonary arterial (PA) circulation and complete intracardiac repair in infancy, usually in a single procedure. This approach yields a high rate of complete repair with excellent survival and low right ventricular (RV) pressure. However, little is known about remodeling of the unifocalized and reconstructed pulmonary circulation or about reinterventions on the reconstructed PAs or the RV outflow tract conduit...
December 13, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/29352583/description-and-analysis-of-hospital-pharmacies-in-madagascar
#4
H R Ratsimbazafimahefa, F Sadeghipour, P Trouiller, A Pannatier, B Allenet
OBJECTIVE: Madagascar's health care system has operated without formal hospital pharmacies for more than two decades. The gradual integration of pharmacists in public hospitals since 2012 will allow the structuring of this field. This study was conducted to characterize the current situation regarding all aspects relating to the general functioning of hospital pharmacies and the services provided. METHODS: This qualitative research used semi-structured interviews...
January 15, 2018: Annales Pharmaceutiques Françaises
https://www.readbyqxmd.com/read/29352483/epidermal-aspects-of-type-vii-collagen-implications-for-dystrophic-epidermolysis-bullosa-and-epidermolysis-bullosa-acquisita
#5
REVIEW
Mika Watanabe, Ken Natsuga, Satoru Shinkuma, Hiroshi Shimizu
Type VII collagen (COL7), a major component of anchoring fibrils in the epidermal basement membrane zone, has been characterized as a defective protein in dystrophic epidermolysis bullosa and as an autoantigen in epidermolysis bullosa acquisita. Although COL7 is produced and secreted by both epidermal keratinocytes and dermal fibroblasts, the role of COL7 with regard to the epidermis is rarely discussed. This review focuses on COL7 physiology and pathology as it pertains to epidermal keratinocytes. We summarize the current knowledge of COL7 production and trafficking, its involvement in keratinocyte dynamics, and epidermal carcinogenesis in COL7 deficiency and propose possible solutions to unsolved issues in this field...
January 20, 2018: Journal of Dermatology
https://www.readbyqxmd.com/read/29352420/diagnosis-and-management-of-hepatitis-c-infection-in-primary-care-settings
#6
Debra Guss, Jagannath Sherigar, Paul Rosen, Smruti R Mohanty
Hepatitis C virus (HCV) infection is a significant health problem worldwide, and is the leading cause of cirrhosis, hepatocellular carcinoma, and liver transplantation in the United States. The management of HCV has changed significantly over the last 5 years, as treatments have become simpler and more efficacious. Medication efficacy is now greater than 90%, with a high barrier to resistance and few side effects. This review is a collaboration between primary care and hepatology providers to explore all aspects of HCV management: acute versus chronic HCV infection, transmission and testing, and diagnosis and treatment...
January 19, 2018: Journal of General Internal Medicine
https://www.readbyqxmd.com/read/29352416/point-of-care-ultrasound-in-pediatric-anesthesiology-and-critical-care-medicine
#7
REVIEW
Erik Su, Nicholas Dalesio, Aliaksei Pustavoitau
Ultrasound has increasingly become a clinical asset in the hands of the anesthesiologist and intensivist who cares for children. Though many applications for ultrasound parallel adult modalities, children as always are not simply small adults and benefit from the application of ultrasound to their management in various ways. Body composition and size are important factors that affect ultrasound performance in the child, as are the pathologies that may uniquely afflict children and aspects of procedures unique to this patient population...
January 19, 2018: Canadian Journal of Anaesthesia, Journal Canadien D'anesthésie
https://www.readbyqxmd.com/read/29352375/-aspects-of-liaison-psychiatry-care-of-patients-in-a%C3%A2-university-pain-clinic
#8
M Brinkers, G Pfau, C Schneemilch
BACKGROUND: Owing to a rise of psychosomatic comorbidities, the treatment of psychological disorders, which may negatively impact prognosis and therapy, is increasingly becoming a focus of attention for pain outpatient clinics. AIM: This study investigates and discusses the advantages of liaison psychiatric care in a university pain clinic. METHODS: In this retrospective study, we investigated all patients who presented to an anaesthesiologically led pain clinic between January and June 2014...
January 19, 2018: Der Schmerz
https://www.readbyqxmd.com/read/29352373/sleep-interventions-designed-to-improve-athletic-performance-and-recovery-a-systematic-review-of-current-approaches
#9
REVIEW
Daniel Bonnar, Kate Bartel, Naomi Kakoschke, Christin Lang
BACKGROUND: Athletes experience various situations and conditions that can interfere with their sleep, which is crucial for optimal psychological and physiological recovery as well as subsequent performance. Conventional sleep screening and intervention approaches may not be efficacious for athletes given their lifestyle, the demands of training and travel associated with interstate/international competition. OBJECTIVES: The present systematic review aimed to summarize and evaluate sleep intervention studies targeting subsequent performance and recovery in competitive athletes...
January 20, 2018: Sports Medicine
https://www.readbyqxmd.com/read/29352367/continuous-manufacturing-of-co-crystals-challenges-and-prospects
#10
REVIEW
Rahul B Chavan, Rajesh Thipparaboina, Balvant Yadav, Nalini R Shastri
The last decade has witnessed extensive growth in the field of co-crystallization for mitigating the solubility and dissolution-related issues of poorly soluble drugs. This is largely because co-crystals can modify the physicochemical properties of drugs without any covalent modification in the drug molecules. The US Food and Drug Administration (FDA) now considers drug products that are designed to contain a new co-crystal, analogous to new polymorph of the active pharmaceutical ingredient (API). This positive change in regulatory perspective coupled with successful commercialization of valsartan-sacubitril co-crystal (Entresto, Novartis) has now brought co-crystals into focus, in both industries as well as academia...
January 19, 2018: Drug Delivery and Translational Research
https://www.readbyqxmd.com/read/29352242/ptre-seq-reveals-mechanism-and-interactions-of-rna-binding-proteins-and-mirnas
#11
Kyle A Cottrell, Hemangi G Chaudhari, Barak A Cohen, Sergej Djuranovic
RNA binding proteins (RBP) and microRNAs (miRNAs) often bind sequences in 3' untranslated regions (UTRs) of mRNAs, and regulate stability and translation efficiency. With the identification of numerous RBPs and miRNAs, there is an urgent need for new technologies to dissect the function of the cis-acting elements of RBPs and miRNAs. We describe post-transcriptional regulatory element sequencing (PTRE-seq), a massively parallel method for assaying the target sequences of miRNAs and RBPs. We use PTRE-seq to dissect sequence preferences and interactions between miRNAs and RBPs...
January 19, 2018: Nature Communications
https://www.readbyqxmd.com/read/29352208/abnormal-speech-motor-control-in-individuals-with-16p11-2-deletions
#12
Carly Demopoulos, Hardik Kothare, Danielle Mizuiri, Jennifer Henderson-Sabes, Brieana Fregeau, Jennifer Tjernagel, John F Houde, Elliott H Sherr, Srikantan S Nagarajan
Speech and motor deficits are highly prevalent (>70%) in individuals with the 600 kb BP4-BP5 16p11.2 deletion; however, the mechanisms that drive these deficits are unclear, limiting our ability to target interventions and advance treatment. This study examined fundamental aspects of speech motor control in participants with the 16p11.2 deletion. To assess capacity for control of voice, we examined how accurately and quickly subjects changed the pitch of their voice within a trial to correct for a transient perturbation of the pitch of their auditory feedback...
January 19, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29352154/resting-state-brain-networks-in-the-prairie-vole
#13
Juan J Ortiz, Wendy Portillo, Raul G Paredes, Larry J Young, Sarael Alcauter
Resting state functional magnetic resonance imaging (rsfMRI) has shown the hierarchical organization of the human brain into large-scale complex networks, referred as resting state networks. This technique has turned into a promising translational research tool after the finding of similar resting state networks in non-human primates, rodents and other animal models of great value for neuroscience. Here, we demonstrate and characterize the presence of resting states networks in Microtus ochrogaster, the prairie vole, an extraordinary animal model to study complex human-like social behavior, with potential implications for the research of normal social development, addiction and neuropsychiatric disorders...
January 19, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29352153/biology-culture-co-evolution-in-finite-populations
#14
Bart de Boer, Bill Thompson
Language is the result of two concurrent evolutionary processes: biological and cultural inheritance. An influential evolutionary hypothesis known as the moving target problem implies inherent limitations on the interactions between our two inheritance streams that result from a difference in pace: the speed of cultural evolution is thought to rule out cognitive adaptation to culturally evolving aspects of language. We examine this hypothesis formally by casting it as as a problem of adaptation in time-varying environments...
January 19, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29352046/local-corticotropin-releasing-factor-signaling-in-the-hypothalamic-paraventricular-nucleus
#15
Zhiying Jiang, Shivakumar Rajamanickam, Nicholas J Justice
Corticotropin-releasing factor (CRF) neurons in the Paraventricular Nucleus of the Hypothalamus (PVN) initiate Hypothalamic-Pituitary-Adrenal (HPA) axis activity through release of CRF into the portal system as part of a coordinated neuroendocrine, autonomic, and behavioral response to stress. Recent discovery of neurons expressing CRF receptor type 1 (CRFR1), the primary receptor for CRF, adjacent to CRF neurons within the PVN, suggest that CRF also signals within the hypothalamus to coordinate aspects of the stress response...
January 19, 2018: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/29352036/multiple-memory-systems-multiple-time-points-how-science-can-inform-treatment-to-control-the-expression-of-unwanted-emotional-memories
#16
REVIEW
Renée M Visser, Alex Lau-Zhu, Richard N Henson, Emily A Holmes
Memories that have strong emotions associated with them are particularly resilient to forgetting. This is not necessarily problematic, however some aspects of memory can be. In particular, the involuntary expression of those memories, e.g. intrusive memories after trauma, are core to certain psychological disorders. Since the beginning of this century, research using animal models shows that it is possible to change the underlying memory, for example by interfering with its consolidation or reconsolidation...
March 19, 2018: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/29352023/monoamine-abnormalities-in-the-sapap3-knockout-model-of-obsessive-compulsive-disorder-related-behaviour
#17
Jesse Wood, Zoe LaPalombara, Susanne E Ahmari
Obsessive-compulsive disorder (OCD) is a leading cause of illness-related disability, but the neural mechanisms underlying OCD symptoms are unclear. One potential mechanism of OCD pathology is monoamine dysregulation. Because of the difficulty of studying monoamine signalling in patients, animal models offer a viable alternative to understanding this aspect of OCD pathophysiology. We used HPLC to characterize post-mortem monoamine levels in lateral orbitofrontal cortex (OFC), medial OFC, medial prefrontal cortex and dorsal and ventral striatum of SAPAP-3 knockout (KO) mice, a well-validated model of compulsive-like behaviours in OCD...
March 19, 2018: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/29352010/genetics-of-syndromic-and-non-syndromic-mitral-valve-prolapse
#18
REVIEW
Thierry Le Tourneau, Jean Mérot, Antoine Rimbert, Solena Le Scouarnec, Vincent Probst, Hervé Le Marec, Robert A Levine, Jean-Jacques Schott
Mitral valve prolapse (MVP) is a common condition that affects 2%-3% of the general population. MVP is thought to include syndromic forms such as Marfan syndrome and non-syndromic MVP, which is the most frequent form. Myxomatous degeneration and fibroelastic deficiency (FED) are regarded as two different forms of non-syndromic MVP. While FED is still considered a degenerative disease associated with ageing, frequent familial clustering has been demonstrated for myxomatous MVP. Familial and genetic studies led to the recognition of reduced penetrance and large phenotypic variability, and to the identification of prodromal or atypical forms as a part of the complex spectrum of the disease...
January 19, 2018: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/29351998/detection-of-experimental-and-clinical-immune-complexes-by-measuring-ship-1-recruitment-to-the-inhibitory-fc%C3%AE-riib
#19
Richard J Stopforth, Robert J Oldham, Alison L Tutt, Patrick Duriez, H T Claude Chan, Brock F Binkowski, Chad Zimprich, Dun Li, Philip G Hargreaves, Mei Cong, Venkat Reddy, Maria J Leandro, Geraldine Cambridge, Anja Lux, Falk Nimmerjahn, Mark S Cragg
Fc γ receptors (FcγR) are involved in multiple aspects of immune cell regulation, are central to the success of mAb therapeutics, and underpin the pathology of several autoimmune diseases. However, reliable assays capable of accurately measuring FcγR interactions with their physiological ligands, IgG immune complexes (IC), are limited. A method to study and detect IC interactions with FcγRs was therefore developed. This method, designed to model the signaling pathway of the inhibitory FcγRIIB (CD32B), used NanoLuc Binary Interaction Technology to measure recruitment of the Src homology 2 domain-containing inositol phosphatase 1 to the ITIM of this receptor...
January 19, 2018: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/29351997/spatiotemporal-organization-of-exocytosis-emerges-during-neuronal-shape-change
#20
Fabio L Urbina, Shawn M Gomez, Stephanie L Gupton
Neurite elongation and branching in developing neurons requires plasmalemma expansion, hypothesized to occur primarily via exocytosis. We posited that exocytosis in developing neurons and nonneuronal cells would exhibit distinct spatiotemporal organization. We exploited total internal reflection fluorescence microscopy to image vesicle-associated membrane protein (VAMP)-pHluorin-mediated exocytosis in mouse embryonic cortical neurons and interphase melanoma cells, and developed computer-vision software and statistical tools to uncover spatiotemporal aspects of exocytosis...
January 19, 2018: Journal of Cell Biology
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