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Clinical Laboratory Science

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https://www.readbyqxmd.com/read/29352032/the-surprising-subtleties-of-changing-fear-memory-a-challenge-for-translational-science
#1
REVIEW
Merel Kindt
Current pharmacological and psychological treatments for disorders of emotional memory only dampen the affective response while leaving the original fear memory intact. Under adverse circumstances, these original memories regain prominence, causing relapses in many patients. The (re)discovery in neuroscience that after reactivation consolidated fear memories may return to a transient labile state, requiring a process of restabilization in order to persist, offers a window of opportunity for modifying fear memories with amnestic agents...
March 19, 2018: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/29352022/of-mice-and-mental-health-facilitating-dialogue-and-seeing-further
#2
Amy L Milton, Emily A Holmes
The science of mental life is critical for understanding both how we function, and impairments in our functioning. However, understanding the causal mechanisms underlying mental health disorders and developing new treatments are challenges too great to be solved by any individual approach. There is a growing awareness that translational research-from laboratory to patient and back again to animal models-will be critical for the improved understanding and treatment of mental health disorders. The motivation and intention to pursue translational approaches is therefore strong in mental health research, but critically, opportunities for interaction between basic scientists and clinicians are relatively limited, and vary depending on the institution in which researchers are working...
March 19, 2018: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/29349293/experimenter-gender-and-replicability-in-science
#3
REVIEW
Colin D Chapman, Christian Benedict, Helgi B Schiöth
There is a replication crisis spreading through the annals of scientific inquiry. Although some work has been carried out to uncover the roots of this issue, much remains unanswered. With this in mind, this paper investigates how the gender of the experimenter may affect experimental findings. Clinical trials are regularly carried out without any report of the experimenter's gender and with dubious knowledge of its influence. Consequently, significant biases caused by the experimenter's gender may lead researchers to conclude that therapeutics or other interventions are either overtreating or undertreating a variety of conditions...
January 2018: Science Advances
https://www.readbyqxmd.com/read/29345514/design-and-validation-of-an-instrumented-uneven-terrain-treadmill
#4
Alexandra S Voloshina, Daniel P Ferris
Studying human and animal locomotion on uneven terrain can be beneficial to basic science and applied studies for clinical and robotic applications. Traditional biomechanical analysis of human locomotion has often been limited to laboratory environments with flat, smooth runways and treadmills. We modified a regular exercise treadmill by attaching wooden blocks to the treadmill belt to yield an uneven locomotion surface. To ensure that these treadmill modifications facilitated biomechanical measurements, we compared ground reaction force data collected during running on the modified instrumented treadmill with a smooth surface to data collected using a conventional instrumented treadmill...
January 18, 2018: Journal of Applied Biomechanics
https://www.readbyqxmd.com/read/29344043/assessment-of-the-midwifery-students-clinical-competency-before-internship-program-in-the-field-based-on-the-objective-structured-clinical-examination
#5
Narges Malakooti, Parvin Bahadoran, Soheyla Ehsanpoor
Background: One of the important goals of clinical education is to promote the level of students' clinical skills. About 50% of the midwifery education is focused on clinical education, which has a great importance in shaping the professional skills of the students. The aim of this study was to determine the ability of students in some practical skills, before internship program in the field, using objective structured clinical examination (OSCE). Materials and Methods: This research was a descriptive cross-sectional study with a single-stage, multivariate prospective design...
January 2018: Iranian Journal of Nursing and Midwifery Research
https://www.readbyqxmd.com/read/29330981/comparison-of-ziehl-neelsen-based-light-microscopy-with-led-fluorescent-microscopy-for-tuberculosis-diagnosis-an-insight-from-a-limited-resource-high-burden-setting
#6
Muhammad Yahya Noori, Faiza Ali, Zaheer Ali, Shaheen Sharafat
BACKGROUND: Microscopy is the most widely used tool for Tuberculosis screening. Conventionally, Ziehl-Neelsen (ZN) staining has been the widely used for staining Acid-Fast Bacilli (AFB) but with the advent of Fluorescent staining, Auramine O stain is now being adapted as the preferred method for setups with high workload as it has the advantage of being less laborious, since bacteria fluoresce in front of a dark background and are easier to count. This study was performed to compare the efficiency of the two methods in a high-burden, limited resource setting to see the magnitude of diagnostic accuracy between ZN and Fluorescent Microscopy, using culture as the standard...
October 2017: Journal of Ayub Medical College, Abbottabad: JAMC
https://www.readbyqxmd.com/read/29324568/effects-of-pressure-support-ventilation-on-ventilator-induced-lung-injury-in-mild-acute-respiratory-distress-syndrome-depend-on-level-of-positive-end-expiratory-pressure
#7
Paulo A F Magalhães, Gisele de A Padilha, Lillian Moraes, Cíntia L Santos, Ligia de A Maia, Cassia L Braga, Maria do Carmo M B Duarte, Lívia B Andrade, Alberto Schanaider, Vera L Capellozzi, Robert Huhle, Marcelo Gama de Abreu, Paolo Pelosi, Patricia R M Rocco, Pedro L Silva
BACKGROUND: Harmful effects of spontaneous breathing have been shown in experimental severe acute respiratory distress syndrome (ARDS). However, in the clinical setting, spontaneous respiration has been indicated only in mild ARDS. To date, no study has compared the effects of spontaneous assisted breathing with those of fully controlled mechanical ventilation at different levels of positive end-expiratory pressure (PEEP) on lung injury in ARDS. OBJECTIVE: To compare the effects of assisted pressure support ventilation (PSV) with pressure-controlled ventilation (PCV) on lung function, histology and biological markers at two different PEEP levels in mild ARDS in rats...
January 10, 2018: European Journal of Anaesthesiology
https://www.readbyqxmd.com/read/29317955/pattern-of-thyroid-lesions-in-western-region-of-saudi-arabia-a-retrospective-analysis-and-literature-review
#8
Muhammad I Saeed, Amal Ali Hassan, Muhammad Ejaz Butt, Khalid Ali Baniyaseen, Muhammad I Siddiqui, Neda M Bogari, Faisal A Al-Allaf, Mohiuddin M Taher
Background: Ultrasonography (US) is being recognized as a traditional way of the diagnosis of various thyroid disorders, and this will help in detecting the thyroid tumors in early stage. Thyroid nodules are common and usually benign; steps to diagnose malignancy should include a careful clinical evaluation, laboratory tests, a thyroid US exam and a fine-needle aspiration (FNA) biopsy. Methods: A total of 173 registered cases were used for analysis in this study...
February 2018: Journal of Clinical Medicine Research
https://www.readbyqxmd.com/read/29317889/clinical-and-laboratory-analysis-of-patients-with-leishmaniasis-a-retrospective-study-from-a-tertiary-care-center-in-new-delhi
#9
Nitin Gupta, Kamla Kant, Bijay Ranjan Mirdha
Background: Leishmaniasis manifests as visceral (VL), cutaneous (CL) or a dermal sequel of VL, known as Post kala-azar dermal leishmaniasis (PKDL). The aim of the study was to analyze the clinical and laboratory features of cases diagnosed with leishmaniasis. Methods: This hospital-based retrospective study included all cases of VL, PKDL, and CL diagnosed between Jan 2011 to Jan 2016 at All India Institute of Medical Sciences, New Delhi. Clinical and laboratory profile of the diagnosed cases were analyzed in detail...
October 2017: Iranian Journal of Parasitology
https://www.readbyqxmd.com/read/29313964/the-next-generation-of-drug-safety-science-coupling-detection-corroboration-and-validation-to-discover-novel-drug-effects-and-drug-drug-interactions
#10
Nicholas P Tatonetti
Rare adverse drug reactions and drug-drug interactions (DDIs) are difficult to detect in randomized trials and impossible to prove using observational studies. We must ascribe to a new way of conducting research that has the efficiency of a retrospective analysis and the rigor of a prospective trial. This can be achieved by integrating observational data from humans with laboratory experiments in model systems. The former establishes clinical significance and the latter supports causality.
February 2018: Clinical Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/29304848/effectiveness-and-safety-of-ferric-carboxymaltose-compared-to-iron-sucrose-in-women-with-iron-deficiency-anemia-phase-iv-clinical-trials
#11
Amreen Naqash, Rifat Ara, Ghulam N Bader
BACKGROUND: Iron deficiency anemia (IDA) is a significant problem worldwide particularly in women. The aim of the study was to evaluate the effectiveness and safety of intravenous ferric carboxymaltose (FCM) in comparison to iron sucrose (IS) in women with IDA. METHOD: Two hundred patients at Department of Obstetrics and Gynaecology, Sher-i-Kashmir Institute of Medical Sciences Medical College and Hospital, Jammu & Kashmir, India identified with IDA were enrolled for the study...
January 5, 2018: BMC Women's Health
https://www.readbyqxmd.com/read/29302147/current-trends-of-drug-resistance-patterns-of-acinetobacter-baumannii-infection-in-blood-transfusion-dependent-thalassemia-patients
#12
Suhail Ahmed Almani, Ali Naseer, Sanjay Kumar Maheshwari, Pir Maroof, Raza Naseer, Haji Khan Khoharo
Objective: The present study aimed to evaluate the current trends of drug resistance patterns of Acinetobacter baumannii infection in blood transfusion-dependent thalassemia patients. Study Design: This study was a cross sectional study, conducted at the Liaquat University of Medical and Health Sciences, Jamshoro/Hyderabad, Sindh, Pakistan from October 2014 to January 2016. Subjects and Methods: Of 921 blood samples, A. baumannii strains were isolated from 100 blood samples...
October 2017: Journal of Global Infectious Diseases
https://www.readbyqxmd.com/read/29301440/advancing-the-understanding-of-progression-in-multiple-sclerosis-an-interview-with-shibeshih-belachew
#13
Shibeshih Belachew
Shibeshih Belachew speaks to Laura Dormer, Commissioning Editor: Dr Shibeshih Belachew, MD, PhD, is a Senior Medical Director for Multiple Sclerosis (MS) Disease Area in Global Product Development Medical Affairs at Roche (Basel, Switzerland). Prior to joining Roche in January 2016, he was Director of MS Franchise and Head of Medical Director's office for Biogen Region Europe and Canada. Previously at Biogen he also served as a Director in Global Neurology for the natalizumab program in Cambridge (MA, USA)...
January 5, 2018: Neurodegenerative Disease Management
https://www.readbyqxmd.com/read/29289701/dopamine-transporter-knockdown-mice-in-the-behavioral-pattern-monitor-a-robust-reproducible-model-for-mania-relevant-behaviors
#14
Molly A Kwiatkowski, Gerhard Hellemann, Catherine A Sugar, Zackary A Cope, Arpi Minassian, William Perry, Mark A Geyer, Jared W Young
Efforts to replicate results from both basic and clinical models have highlighted problems with reproducibility in science. In psychiatry, reproducibility issues are compounded because the complex behavioral syndromes make many disorders challenging to model. We develop translatable tasks that quantitatively measure psychiatry-relevant behaviors across species. The behavioral pattern monitor (BPM) was designed to analyze exploratory behaviors, which are altered in patients with bipolar disorder (BD), especially during mania episodes...
December 28, 2017: Pharmacology, Biochemistry, and Behavior
https://www.readbyqxmd.com/read/29286519/comparative-characteristics-of-hepatoprotectors-used-for-the-treatment-of-non-alcoholic-steatohepatitis-associated-with-herpesvirus-infection-in-sufferers-of-the-chornobyl-accident
#15
O V Gasanova, E O Sarkisova, A A Chumak, L M Ovsyannikova, O V Nosach, L M Alohina, V A Gasanov, V V Kryzhanivska
Objective of the study was to determine the effectiveness of various groups of hepatoprotectors in the treatment of patients with nonalcoholic steatohepatitis (NASH) sufferers of the accident at the Chornobyl NPP following the assessment of metabolic changes and control of persistent infections. MATERIALS AND METHODS: The study included 104 males with NASH, who were sufferers of the Chornobyl disaster and underwent examination and treatment in the conditions of the clinics of the National Research Center for Radiation Medicine of the National Academy of Medical Sciences of Ukraine...
December 2017: Problemy Radiat︠s︡iĭnoï Medyt︠s︡yny Ta Radiobiolohiï
https://www.readbyqxmd.com/read/29286493/twenty-five-years-of-the-national-academy-of-medical-sciences-of-ukraine-progress-and-priorities-for-future-of-radiation-medicine-and-biology
#16
D Bazyka
After the creation of the Academy of Medical Sciences of Ukraine in 1993 the Research Center for Radiation Medicine was among the first institutions to join the Academy (fig. 1). Estab lishing the Academy was among the first steps of the independent Ukrainian government and aimed to provide a high level health care for population. It was extremely needed for the minimization of Chornobyl medical consequences. This choice was related to a growing recognition of the scientific research in fulfilling the Сenter's mission - study of the effects of low dose radiation on human body and radiation protection of the exposed population...
December 2017: Problemy Radiat︠s︡iĭnoï Medyt︠s︡yny Ta Radiobiolohiï
https://www.readbyqxmd.com/read/29284463/clinical-studies-on-core-carrier-obturation-a-systematic-review-and-meta-analysis
#17
Amy Wai-Yee Wong, Shinan Zhang, Samantha Kar-Yan Li, Chengfei Zhang, Chun-Hung Chu
BACKGROUND: This systematic review aimed to evaluate the clinical performance of core-carrier obturation in endodontic treatment. METHODS: Keywords of "(core carrier OR Thermafil) OR (cold lateral condensation OR lateral condensation) OR (warm vertical condensation OR vertical condensation) AND (obturation OR root canal filling) AND clinical study" were searched for all obtainable publications up to year 2017 in the databases of PubMed, ScienceDirect, EMBASE, Scopus and Web of Science...
December 29, 2017: BMC Oral Health
https://www.readbyqxmd.com/read/29273150/research-techniques-made-simple-murine-models-of-human-psoriasis
#18
Jason E Hawkes, Jonas A Adalsteinsson, Johann E Gudjonsson, Nicole L Ward
Psoriasis vulgaris is a common, inflammatory skin disease affecting approximately 3% of the population in the United States. The etiology of psoriasis and its associated comorbidities are complex and the result of complicated interactions between the skin, immune system, disease-associated susceptibility loci, and multiple environmental triggers. The modeling of human disease in vivo through the use of murine models represents a powerful, indispensable tool for investigating the immune and genetic mechanisms contributing to a clinical disease phenotype...
January 2018: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/29259526/science-and-bioethics-of-crispr-cas9-gene-editing-an-analysis-towards-separating-facts-and-fiction%C3%A2
#19
REVIEW
Adam P Cribbs, Sumeth M W Perera
Since its emergence in 2012, the genome editing technique known as CRISPR-Cas9 and its scientific use have rapidly expanded globally within a very short period of time. The technique consists of using an RNA guide molecule to bind to complementary DNA sequences, which simultaneously recruits the endonuclease Cas9 to introduce double-stranded breaks in the target DNA. The resulting double-stranded break is then repaired, allowing modification or removal of specific DNA bases. The technique has gained momentum in the laboratory because it is cheap, quick, and easy to use...
December 2017: Yale Journal of Biology and Medicine
https://www.readbyqxmd.com/read/29251027/efficacy-and-safety-of-tocilizumab-with-inhibition-of-interleukin-6-in-adult-onset-still-s-disease-a-meta-analysis
#20
Yubo Ma, Meng Wu, Xu Zhang, Qing Xia, Jiajia Yang, Shengqian Xu, Faming Pan
OBJECTIVE: Tocilizumab (TCZ) is the only available biologic inhibiting interliukine-6 presently, and emerging evidences have figured that elevated serum level of interleukine-6 is a crucial link of the pathogenesis of adult-onset Still's disease (AOSD). However, evidence about the efficacy and safety of TCZ in AOSD with strong power is still scarce. Thus, this meta-analysis was conducted to synthetically assess the efficacy and safety of TCZ on AOSD. METHODS: PubMed, Web of Science, Cochrane Library, Chinese National Knowledge Infrastructure and Chinese Biological Medical Literature database were comprehensively searched up to 31 July, 2017 for the pertinent studies...
December 18, 2017: Modern Rheumatology
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