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Pathological Demand Avoidance

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https://www.readbyqxmd.com/read/29759067/small-rna-profiling-of-low-biomass-samples-identification-and-removal-of-contaminants
#1
Anna Heintz-Buschart, Dilmurat Yusuf, Anne Kaysen, Alton Etheridge, Joëlle V Fritz, Patrick May, Carine de Beaufort, Bimal B Upadhyaya, Anubrata Ghosal, David J Galas, Paul Wilmes
BACKGROUND: Sequencing-based analyses of low-biomass samples are known to be prone to misinterpretation due to the potential presence of contaminating molecules derived from laboratory reagents and environments. DNA contamination has been previously reported, yet contamination with RNA is usually considered to be very unlikely due to its inherent instability. Small RNAs (sRNAs) identified in tissues and bodily fluids, such as blood plasma, have implications for physiology and pathology, and therefore the potential to act as disease biomarkers...
May 14, 2018: BMC Biology
https://www.readbyqxmd.com/read/29593463/young-blood-rejuvenates-old-bodies-a-call-for-reflection-when-moving-from-mice-to-men
#2
Bjørn Hofmann
Connecting the circulatory system of old and young mice (parabiosis) is documented to have rejuvenating effects on cells, tissues, organs, and functions. A wide range of benefits are envisioned. Blood-based rejuvenation can come to totally change population health and aging. The first blood rejuvenation studies on humans with Alzheimer's disease have started. It puts blood at the center of therapy and revitalizes the historical line of humoral pathology from Hippocrates and Harvey, creating a new type of 'bloodletting...
January 2018: Transfusion Medicine and Hemotherapy
https://www.readbyqxmd.com/read/29561583/multifunctional-fibers-as-tools-for-neuroscience-and-neuroengineering
#3
Andres Canales, Seongjun Park, Antje Kilias, Polina Anikeeva
Multifunctional devices for modulation and probing of neuronal activity during free behavior facilitate studies of functions and pathologies of the nervous system. Probes composed of stiff materials, such as metals and semiconductors, exhibit elastic and chemical mismatch with the neural tissue, which is hypothesized to contribute to sustained tissue damage and gliosis. Dense glial scars have been found to encapsulate implanted devices, corrode their surfaces, and often yield poor recording quality in long-term experiments...
March 21, 2018: Accounts of Chemical Research
https://www.readbyqxmd.com/read/29372230/near-infrared-dye-labelled-polymeric-micro-and-nanomaterials-in-vivo-imaging-and-evaluation-of-their-local-persistence
#4
Gracia Mendoza, Isabel Ortiz de Solorzano, Inmaculada Pintre, Sara Garcia-Salinas, Victor Sebastian, Vanesa Andreu, Marina Gimeno, Manuel Arruebo
The use of micro- and nanomaterials as carriers of therapeutic molecules can enhance the efficiency of treatments while avoiding side effects thanks to the development of controlled drug delivery systems. The binding of a dye to a drug or to a drug carrier has opened up a wide range of possibilities for an effective in vivo optical tracing of drug biodistribution by using non-invasive real-time technologies prior to their potential use as therapeutic vectors. Here, we describe the fluorescent tagging of polymeric micro- and nanomaterials based on poly(lactic-co-glycolic) acid and on the thermoresponsive poly(N-isopropylacrylamide) with the fluorescent probe IR-820 which was chemically modified for its covalent coupling to the materials...
February 8, 2018: Nanoscale
https://www.readbyqxmd.com/read/29303466/delayed-neurological-deterioration-following-atlantoaxial-facet-joint-distraction-and-fixation-in-a-patient-with-chiari-malformation-type-i
#5
Tatsushi Inoue, Natsuki Hattori, Tsukasa Ganaha, Tadashi Kumai, Shinichiro Tateyama, Yuichi Hirose
Chiari malformation type I (CM-I) is typically treated with foramen magnum decompression. However, a recent study proposed a new technique for patients with CM-I, wherein only short atlantoaxial joint fusion and distraction is applied. Posterior fusion with or without atlantoaxial distraction is a potential option for patients with CM-I associated with basilar invagination or complex anomalous bony craniovertebral junction pathology, since this procedure allows clinicians to avoid using the technically demanding transoral approach in which some or all of the odontoid tip is invisible...
March 2018: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/29175308/differential-use-of-danger-and-safety-signals-in-an-animal-model-of-anxiety-vulnerability-the-behavioral-economics-of-avoidance
#6
Kevin M Spiegler, Ashley M Fortress, Kevin C H Pang
Differential processing of danger and safety signals may underlie symptoms of anxiety disorders and posttraumatic stress disorder. One symptom common to these disorders is pathological avoidance. The present study examined whether danger and safety signals influence avoidance differently in anxiety-vulnerable Wistar-Kyoto (WKY) rats and Sprague Dawley (SD) rats. SD and WKY rats were tested in a novel progressive ratio avoidance task with and without danger or safety signals. Two components of reinforcement, hedonic value and motivation, were determined by fitting an exponentiated demand equation to the data...
March 2, 2018: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/29121011/assisted-reproductive-technologies-to-prevent-human-mitochondrial-disease-transmission
#7
Andy Greenfield, Peter Braude, Frances Flinter, Robin Lovell-Badge, Caroline Ogilvie, Anthony C F Perry
Mitochondria are essential cytoplasmic organelles that generate energy (ATP) by oxidative phosphorylation and mediate key cellular processes such as apoptosis. They are maternally inherited and in humans contain a 16,569-base-pair circular genome (mtDNA) encoding 37 genes required for oxidative phosphorylation. Mutations in mtDNA cause a range of pathologies, commonly affecting energy-demanding tissues such as muscle and brain. Because mitochondrial diseases are incurable, attention has focused on limiting the inheritance of pathogenic mtDNA by mitochondrial replacement therapy (MRT)...
November 9, 2017: Nature Biotechnology
https://www.readbyqxmd.com/read/29067474/restoring-tibiofemoral-alignment-during-acl-reconstruction-results-in-better-knee-biomechanics
#8
Frantzeska Zampeli, Ioannis Terzidis, João Espregueira-Mendes, Jim-Dimitris Georgoulis, Manfred Bernard, Evangelos Pappas, Anastasios D Georgoulis
PURPOSE: Anterior cruciate ligament (ACL) reconstruction (ACLR) aims to restore normal knee joint function, stability and biomechanics and in the long term avoid joint degeneration. The purpose of this study is to present the anatomic single bundle (SB) ACLR that emphasizes intraoperative correction of tibiofemoral subluxation that occurs after ACL injury. It was hypothesized that this technique leads to optimal outcomes and better restoration of pathological tibiofemoral joint movement that results from ACL deficiency (ACLD)...
October 24, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28841891/peculiarities-of-situational-and-personal-anxiety-degree-in-the-schoolchildren-with-ent-chronic-diseases
#9
Marine Mardiyan, Siranush Mkrtchyan, Artur Shukuryan, Armine Chopikyan, Razmik Dunamalyan, Lusine Danielyan
BACKGROUND: A number of the QL researches in case of different pathologies are being increased during the last decade. The existing traditional research methods provide mostly arbitrary data on the disease and its treatment, which are not sufficient for the schoolchildren overall psychological and social adaptation and wellness evaluation. METHODS: The research object became schoolchildren of 3 randomly selected schools in Yerevan. 443 monitoring units formed the selection population...
August 25, 2017: Health and Quality of Life Outcomes
https://www.readbyqxmd.com/read/28571661/-evaluation-and-perioperative-management-of-patients-with-diabetes-mellitus-a-challenge-for-the-anesthesiologist
#10
REVIEW
João Paulo Jordão Pontes, Florentino Fernandes Mendes, Mateus Meira Vasconcelos, Nubia Rodrigues Batista
Diabetes mellitus (DM) is characterized by alteration in carbohydrate metabolism, leading to hyperglycemia and increased perioperative morbidity and mortality. It evolves with diverse and progressive physiological changes, and the anesthetic management requires attention regarding this disease interference in multiple organ systems and their respective complications. Patient's history, physical examination, and complementary exams are important in the preoperative management, particularly glycosylated hemoglobin (HbA1c), which has a strong predictive value for complications associated with diabetes...
January 2018: Revista Brasileira de Anestesiologia
https://www.readbyqxmd.com/read/28495536/neoaortoiliac-system-procedure-to-treat-infected-aortic-grafts
#11
Chris Klonaris, Nikolaos Patelis, Athanasios Katsargyris, Dimitrios Athanasiadis, Andreas Alexandrou, Theodoros Liakakos
BACKGROUND: The aim of this case series is to report the results of our center in the surgical treatment of infected abdominal aortic grafts using the neoaortoiliac system (NAIS) procedure. METHODS: Four male and 2 female patients underwent an NAIS repair after endovascular (n = 3), open (n = 2), or combined surgery (n = 1) in our center. Mean age was 73 ± 5.2 years. Graft infection was diagnosed by computed tomography angiography (CTA), and only in 2 cases further imaging was necessary...
October 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28289818/patients-expectations-of-shoulder-instability-repair
#12
Johannes E Plath, Tim Saier, Matthias J Feucht, Philipp Minzlaff, Gernot Seppel, Sepp Braun, Daniel Hatch, Andreas B Imhoff
PURPOSE: To analyze and compare patient expectations of primary and revision shoulder stabilization and to assess the factors associated with patients' expectations. METHODS: Pre-operative patient expectations after shoulder instability repair were prospectively assessed using a self-designed questionnaire. The survey included questions on the expected level and type of return to sports, instability, pain, risk of osteoarthritis, and overall shoulder condition. RESULTS: One-hundred and forty-five patients (99 primary; 46 revision repair) were included...
January 2018: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28249962/local-optometrists-are-a-major-source-of-referrals-to-a-pituitary-tumour-clinic
#13
LETTER
H Surchi, B Jafar-Mohammadi, A Pal, S Cudlip, A B Grossman
No abstract text is available yet for this article.
May 2017: Endocrine-related Cancer
https://www.readbyqxmd.com/read/28229029/the-dens-a-review-of-its-diverse-nomenclature-and-a-recommended-simplified-terminology
#14
REVIEW
Jaspreet Johal, Christian Fisahn, Brittni Burgess, Marios Loukas, Jens Chapman, Rod J Oskouian, R Shane Tubbs
Pathology of the dens, such as fractures, demands precise terminology so that communication between physicians are succinct, diagnoses are accurate, and treatment strategies exact. This review aims to summarize the various terms used to describe the parts of the dens and recommend the ideal terminology. Using standard search engines, English language publications were searched for the many terms used to describe parts of the dens. A multitude of terms was identified with many demonstrating overlaps. Terms identified included apex, tip, apicodental, subdental, dentocentral and odontocentral junctions, peg, waist, base, neck, shaft, shoulder, and stem...
January 17, 2017: Curēus
https://www.readbyqxmd.com/read/28228081/the-neurobiology-and-psychiatric-perspective-of-vaginismus-linking-the-pharmacological-and-psycho-social-interventions
#15
Zuri Shahidii Kadir, Hatta Sidi, Jaya Kumar, Srijit Das, Marhani Midin, Najwa Baharuddin
Vaginismus is an involuntary muscle contraction of the outer third of vaginal barrel causing sexual penetration almost impossible. It is generally classified under sexual pain disorder (SPD). In Diagnostic and Statistical Manual, 5th edition, it is classified under the new rubric of Genito-Pelvic Pain/Sexual Penetration Disorder. This fear-avoidance condition poses an ongoing significant challenge to the medical and health professionals due to the very demanding needs in health care despite its unpredictable prognosis...
February 22, 2017: Current Drug Targets
https://www.readbyqxmd.com/read/28107744/sensitive-detection-of-t4-polynucleotide-kinase-activity-based-on-multifunctional-magnetic-probes-and-polymerization-nicking-reactions-mediated-hyperbranched-rolling-circle-amplification
#16
Xia Li, Xiaowen Xu, Juan Song, Qingwang Xue, Chenzhong Li, Wei Jiang
T4 polynucleotide kinase (PNK) plays critical roles in regulating DNA phosphorylation modes during the repair of DNA lesions. The aberrant activity of T4 PNK has been proven to be associated with a variety of human pathologies. Sensitive detection of T4 PNK activity is critical to both clinical diagnosis and therapeutics. Herein, a background-eliminated fluorescence assay for sensitive detection of T4 PNK activity has been developed by multifunctional magnetic probes and polymerization nicking reactions mediated hyperbranched rolling circle amplification (HRCA)...
May 15, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/27861232/safety-and-efficacy-of-magnetic-resonance-guided-vacuum-assisted-large-volume-breast-biopsy-mr-guided-valb
#17
Simone Schrading, Kevin Strobel, Annika Keulers, Timm Dirrichs, Christiane K Kuhl
OBJECTIVE: Magnetic resonance (MR)-guided vacuum-biopsy is technically demanding and may fail depending on target-lesion size or breast size, and location of lesions within the breast. We developed an MR-guided vacuum-assisted biopsy protocol that collects larger amounts of tissue, aiming at an at least partial or complete ablation of the target-lesion, just as it is intended during surgical (excisional) biopsy. Rationale is to avoid biopsy failures (false-negative results due to undersampling) by collecting larger amounts of tissue...
March 2017: Investigative Radiology
https://www.readbyqxmd.com/read/27783342/an-innovative-emergency-laparoscopic-cholecystectomy-technique-early-results-towards-complication-free-surgery
#18
Mohamed Mahmood Nasr
BACKGROUND: The performance of laparoscopic cholecystectomy could be a technical challenge. Procedure success depends on multiple factors namely: hepatobiliary anatomical variations, pathologic changes in the gallbladder and surrounding tissues, pre-operative interventional attempts, the individual surgeon's skill and finally patient co-morbidities. Anticipating the attendant challenges, can help to avoid several known complications associated with this procedure. Searching a more reliable anatomical topography to adopt during laparoscopic cholecystectomy is the basis for a safe surgical technique...
February 2017: Journal of Gastrointestinal Surgery: Official Journal of the Society for Surgery of the Alimentary Tract
https://www.readbyqxmd.com/read/27409629/health-impact-assessment-of-air-pollution-in-s%C3%A3-o-paulo-brazil
#19
Karina Camasmie Abe, Simone Georges El Khouri Miraglia
Epidemiological research suggests that air pollution may cause chronic diseases, as well as exacerbation of related pathologies such as cardiovascular and respiratory morbidity and mortality. This study evaluates air pollution scenarios considering a Health Impact Assessment approach in São Paulo, Brazil. We have analyzed abatement scenarios of Particulate Matter (PM) with an aerodynamic diameter <10 μm (PM10), <2.5 μm (PM2.5) and ozone concentrations and the health effects on respiratory and cardiovascular morbidity and mortality in the period from 2009 to 2011 through the APHEKOM tool, as well as the associated health costs...
July 11, 2016: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/27291247/pharmacogenetic-considerations-in-the-treatment-of-alzheimer-s-disease
#20
REVIEW
Ramón Cacabelos, Clara Torrellas, Oscar Teijido, Juan Carlos Carril
The practical pharmacogenetics of Alzheimer's disease (AD) is circumscribed to acetylcholinesterase inhibitors (AChEIs) and memantine. However, pharmacogenetic procedures should be applied to novel strategies in AD therapeutics including: novel AChEIs and neurotransmitter regulators, anti-Aβ treatments, anti-tau treatments, pleiotropic products, epigenetic drugs and combination therapies. Genes involved in the pharmacogenetic network are under the influence of the epigenetic machinery which regulates gene expression transcriptionally and post-transcriptionally, configuring the fundamentals of pharmacoepigenomics...
June 2016: Pharmacogenomics
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