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Laboratory Medicine

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https://www.readbyqxmd.com/read/28329381/the-effects-of-an-afternoon-nap-on-episodic-memory-in-young-and-older-adults-napping-and-aging
#1
Michael K Scullin, Jacqueline Fairley, Michael J Decker, Donald L Bliwise
Study Objectives: In young adults, napping is hypothesized to benefit episodic memory retention (e.g., via consolidation). Whether this relationship is present in older adults has not been adequately tested, but is an important question because older adults display marked changes in sleep and memory. Design: Between-subjects design. Setting: Sleep laboratory at Emory University School of Medicine. Participants: 50 healthy young adults (18-29) and 45 community dwelling older adults (58-83)...
March 1, 2017: Sleep
https://www.readbyqxmd.com/read/28322729/standardisation-and-use-of-the-alcohol-biomarker-carbohydrate-deficient-transferrin-cdt
#2
Anders Helander, Jos Wielders, Raymond Anton, Torsten Arndt, Vincenza Bianchi, Jean Deenmamode, Jan-Olof Jeppsson, John B Whitfield, Cas Weykamp, François Schellenberg
Carbohydrate-deficient transferrin (CDT) is a glycoform profile of serum transferrin that increases in response to sustained high alcohol intake and over the last decades has become an important alcohol biomarker with clinical and forensic applications. However, the wide range of CDT measurement procedures has resulted in lack of uniform results and reference limits, and hampered comparison of results. In 2005, the IFCC therefore founded a special working group (WG) aiming for standardisation of CDT measurement...
March 18, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/28319446/good-laboratory-practice-preclinical-safety-studies-for-gsk2696273-mlv-vector-based-ex-vivo-gene-therapy-for-adenosine-deaminase-deficiency-severe-combined-immunodeficiency-in-nsg-mice
#3
Nicola Carriglio, Jan Klapwijk, Raisa Jofra Hernandez, Michela Vezzoli, Franck Chanut, Rhiannon Lowe, Draghici Elena, Melanie Nord, Paola Albertini, Patrizia Cristofori, Jane Richards, Hazel Staton, Jonathan Appleby, Alessandro Aiuti, Aisha V Sauer
GSK2696273 (autologous CD34+ cells transduced with retroviral vector that encodes for the human adenosine deaminase [ADA] enzyme) is a gamma-retroviral ex vivo gene therapy of bone marrow-derived CD34+ cells for the treatment of adenosine deaminase deficiency severe combined immunodeficiency (ADA-SCID). ADA-SCID is a severe monogenic disease characterized by immunologic and nonimmunologic symptoms. Bone-marrow transplant from a matched related donor is the treatment of choice, but it is available for only a small proportion of patients...
March 2017: Human Gene Therapy. Clinical Development
https://www.readbyqxmd.com/read/28317814/the-medicinal-plants-in-the-control-of-tuberculosis-laboratory-study-on-medicinal-plants-from-the-northern-area-of-pakistan
#4
Sami Ullah, Shah Hussain, Sadiq Noor Khan, Mohammad Khurram, Iqbal Khan, Murad Ali Khan
BACKGROUND: Tuberculosis (TB) ranks as the second leading cause of deaths due to infectious diseases. Although global efforts have been made to control TB, still, this is a serious threat as Mycobacterium tuberculosis (MTB) produced resistance against both the first- and second-line drugs. The increasing incidence of multidrug-resistant, extremely drug resistant, and totally drug-resistant TB worldwide requires extra efforts to search for new anti-TB drugs. MATERIALS AND METHODS: The present study evaluated the antimycobacterial activities of Citrullus colocynthis, Calotropis procera, Ricinus communis, Capparis decidua, and Fagonia cretica plants' extracts against rifampicin-sensitive (H37Rv) and rifampicin-resistant (TMC331) strains of MTB...
January 2017: International Journal of Mycobacteriology
https://www.readbyqxmd.com/read/28317677/trends-in-cataract-surgery-training-curricula
#5
Mona Lotfipour, Ramunas Rolius, Erik B Lehman, Seth M Pantanelli, Ingrid U Scott
PURPOSE: To evaluate trends in cataract surgery training curricula and factors affecting timing of resident participation as a primary surgeon. SETTING: Pennsylvania State College of Medicine, Hershey, Pennsylvania, USA. DESIGN: Cross-sectional study of anonymous survey results. METHODS: A description of the study and link to an online survey was e-mailed to program directors of each ophthalmology residency training program accredited by the Accreditation Council for Graduate Medical Education (ACGME)...
January 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28317465/anti-cryptococcal-activity-of-ethanol-crude-extract-and-hexane-fraction-from-ocimum-basilicum-var-maria-bonita-mechanisms-of-action-and-synergism-with-amphotericin-b-and-ocimum-basilicum-essential-oil
#6
Nathalia N R Cardoso, Celuta S Alviano, Arie F Blank, Maria de Fátima Arrigoni-Blank, Maria Teresa V Romanos, Marcel M L Cunha, Antonio Jorge R da Silva, Daniela S Alviano
CONTEXT: Ocimum basilicum L. (Lamiaceae) has been used in folk medicine to treat headaches, kidney disorders, and intestinal worms. OBJECTIVE: This study evaluates the anti-cryptococcal activity of ethanol crude extract and hexane fraction obtained from O. basilicum var. Maria Bonita leaves. MATERIALS AND METHODS: The MIC values for Cryptococcus sp. were obtained according to Clinical and Laboratory Standards Institute in a range of 0.3-2500 μg/mL...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/28316208/-the-compilation-characteristic-and-value-of-kun-ming-fang-mu-catalogue-of-formulary-in-kunming
#7
Z Q Yang
Kun ming fang mu (Catalogue of Formulary in Kunming) collected and compiled by the Kunming Medicinal Materials Industry Association in 1939, was first seen in the archives of the Republic of China. All the collected Chinese proprietary medicines were tested by the Yunnan Health Laboratory Office as qualified, and served as a standard for manufacturing products at drugstores of traditional Chinese medicine in Kunming in Republic of China. The book was divided into 14 categories with a total of 82 kinds of proprietary medicines, including their name, composition and quantity...
January 28, 2017: Zhonghua Yi Shi za Zhi, Chinese Journal of Medical History
https://www.readbyqxmd.com/read/28303846/heart-rate-variability-in-patients-with-acute-ischemic-stroke-at-different-stages-of-renal-dysfunction-a-cross-sectional-observational-study
#8
Lin Wei, Wen-Bo Zhao, Huan-Wen Ye, Yan-Hua Chen, Xiao-Pei Zhang, Yan Huang, Ye-Feng Cai, Quan-Fu Chen, Su-Yue Pan
BACKGROUND: Renal function is associated with mortality and functional disabilities in stroke patients, and impaired autonomic function is common in stroke, but little is known regarding its effects on stroke patients with renal dysfunction. This study sought to evaluate the association between autonomic function and stroke in patients with renal dysfunction. METHODS: This study comprised 232 patients with acute ischemic stroke consecutively enrolled from February 2013 to November 2014 at Guangdong Provincial Hospital of Chinese Medicine in China...
March 20, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28303072/achievements-and-future-directions-of-the-apfcb-mass-spectrometry-harmonisation-project-on-serum-testosterone
#9
REVIEW
Ronda F Greaves, Chung S Ho, Kirsten E Hoad, John Joseph, Brett McWhinney, Janice P Gill, Therese Koal, Chris Fouracre, Heidi P Iu, Brian R Cooke, Conchita Boyder, Hai T Pham, Lisa M Jolly
As an outcome of the 2010 Asian Pacific Conference for Chromatography and Mass Spectrometry in Hong Kong, a collaborative working group was formed to promote the harmonisation of mass spectrometry methods. The Mass Spectrometry Harmonisation Working Group resides under the combined auspices of the Asia-Pacific Federation for Clinical Biochemistry and Laboratory Medicine (APFCB) and the Australasian Association of Clinical Biochemists (AACB). A decision was made to initially focus attention on serum steroids due to the common interest of members in this area; with the first steroid to assess being testosterone...
May 2016: Clinical Biochemist. Reviews
https://www.readbyqxmd.com/read/28302035/translational-multimodality-neuroimaging
#10
Sushil K Sharma
Recently high-resolution, noninvasive, multimodality in-vivo molecular imaging with PET, SPECT, CT and MRI, employing fusion algorithms has revolutionized personalized medicine. However, specific radiopharmaceuticals (RPs) for the accurate diagnosis and effective treatment of progressive neurodegenerative diseases such as Alzheimer's disease, Parkinson's disease, drug addiction, and other cognitive impairments still remain in developmental phase. Currently, multimodality fusion neuroimaging is utilized for the determination of: pharmacokinetics and pre-clinical development of radiopharmaceuticals (RPs); in-vivo monitoring of stem cell transplantation therapy; nicotinic acetylcholine receptors (nAChRs) investigations; and regional cerebral blood flow and glucose metabolism in cognitively-impaired subjects employing noninvasive microPET and nano-SPECT imaging...
March 15, 2017: Current Drug Targets
https://www.readbyqxmd.com/read/28301737/the-clinic-is-my-laboratory-life-as-a-clinical-geneticist
#11
Judith G Hall
Clinical genetics is the application of advances in genetics and medicine to real human families. It involves diagnosis, care, and counseling concerning options available to affected individuals and their family members. Advances in medicine and genetics have led to dramatic changes in the scope and responsibilities of clinical genetics. This reflection on the last 50+ years of clinical genetics comes from personal experience, with an emphasis on the important contributions that clinical geneticists have made to the understanding of disease/disorder processes and mechanisms...
March 6, 2017: Annual Review of Genomics and Human Genetics
https://www.readbyqxmd.com/read/28301460/clinical-laboratories-collaborate-to-resolve-differences-in-variant-interpretations-submitted-to-clinvar
#12
Steven M Harrison, Jill S Dolinsky, Amy E Knight Johnson, Tina Pesaran, Danielle R Azzariti, Sherri Bale, Elizabeth C Chao, Soma Das, Lisa Vincent, Heidi L Rehm
PURPOSE: Data sharing through ClinVar offers a unique opportunity to identify interpretation differences between laboratories. As part of a ClinGen initiative, four clinical laboratories (Ambry, GeneDx, Partners Healthcare Laboratory for Molecular Medicine, and University of Chicago Genetic Services Laboratory) collaborated to identify the basis of interpretation differences and to investigate if data sharing and reassessment resolve interpretation differences by analyzing a subset of variants...
March 16, 2017: Genetics in Medicine: Official Journal of the American College of Medical Genetics
https://www.readbyqxmd.com/read/28301316/a-new-approach-to-define-acceptance-limits-for-hematology-in-external-quality-assessment-schemes
#13
Mohamed Rida Soumali, Marjan Van Blerk, Abdelhadi Akharif, Stéphanie Albarède, Dagmar Kesseler, Gabriela Gutierrez, Barbara de la Salle, Inger Plum, Anne Guyard, Ana Paula Favia, Wim Coucke
BACKGROUND: A study performed in 2007 comparing the evaluation procedures used in European external quality assessment schemes (EQAS) for hemoglobin and leukocyte concentrations showed that acceptance criteria vary widely. For this reason, the Hematology working group from the European Organisation for External Quality Assurance Providers in Laboratory Medicine (EQALM) decided to perform a statistical study with the aim of establishing appropriate acceptance limits (AL) allowing harmonization between the evaluation procedures of European EQAS organizers...
March 16, 2017: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/28295159/first-and-second-trimester-serum-tests-with-and-without-first-trimester-ultrasound-tests-for-down-s-syndrome-screening
#14
REVIEW
S Kate Alldred, Yemisi Takwoingi, Boliang Guo, Mary Pennant, Jonathan J Deeks, James P Neilson, Zarko Alfirevic
BACKGROUND: Down's syndrome occurs when a person has three copies of chromosome 21 (or the specific area of chromosome 21 implicated in causing Down's syndrome) rather than two. It is the commonest congenital cause of mental disability. Non-invasive screening based on biochemical analysis of maternal serum or urine, or fetal ultrasound measurements, allows estimates of the risk of a pregnancy being affected and provides information to guide decisions about definitive testing.  Before agreeing to screening tests, parents need to be fully informed about the risks, benefits and possible consequences of such a test...
March 15, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28292796/hand-arm-vibration-syndrome-what-family-physicians-should-know
#15
REVIEW
Shixin Cindy Shen, Ronald A House
OBJECTIVE: To provide family physicians with an understanding of the epidemiology, pathogenesis, symptoms, diagnosis, and management of hand-arm vibration syndrome (HAVS), an important and common occupational disease in Canada. SOURCES OF INFORMATION: A MEDLINE search was conducted for research and review articles on HAVS. A Google search was conducted to obtain gray literature relevant to the Canadian context. Additional references were obtained from the articles identified...
March 2017: Canadian Family Physician Médecin de Famille Canadien
https://www.readbyqxmd.com/read/28290949/dod-supported-overseas-training-rotations-in-tropical-medicine-and-global-health-2000-2015
#16
James D Mancuso, Patrick W Hickey, Rodney L Coldren, Amy K Korman, Lisa W Keep, Robert F DeFraites, Maria Smith, Luke J Mancuso, Jose L Sanchez
In 1999, the Department of Defense developed a tropical medicine training program (TMTP) to train military physicians, medical students, and scientists in performing surveillance activities in an overseas environment. This review describes the competencies, educational approach, program participants, institutional collaborations, and process outcomes of the TMTP from 2000 to 2015. TMTP-sponsored rotations addressed a wide variety of interdisciplinary competencies, many of which have military-unique applications...
March 2017: Military Medicine
https://www.readbyqxmd.com/read/28290704/predicting-manual-therapy-treatment-success-in-patients-with-chronic-ankle-instability-improving-self-reported-function
#17
Eric A Wikstrom, Patrick O McKeon
CONTEXT: Therapeutic modalities that stimulate sensory receptors around the foot-ankle complex improve chronic ankle instability (CAI)-associated impairments. However, not all patients have equal responses to these modalities. Identifying predictors of treatment success could improve clinician efficiency when treating patients with CAI. OBJECTIVE: To conduct a response analysis on existing data to identify predictors of improved self-reported function in patients with CAI...
March 14, 2017: Journal of Athletic Training
https://www.readbyqxmd.com/read/28290210/changing-concept-in-treatment-of-asymptomatic-severe-aortic-stenosis-and-normal-ejection-fraction-time-for-biomarkers-reappraisal
#18
Marko D Banovic
The uncertainty of whether/how to treat asymptomatic patients with isolated severe aortic stenosis and normal left ventricular ejection fraction is one of the most topical in cardiovascular medicine. Recently, the AVATAR trial: first ever randomized trial in the setting of aortic stenosis has been started in an attempt to adequately address this 'burning issue'. In light of this fact it is important to identify biomarkers which might help in risk stratification of these patients, not only in the referring physician's office during a routine exam, but also for preoperative patients scheduled for surgical replacement/transcatheter aortic valve implantation...
March 14, 2017: Biomarkers in Medicine
https://www.readbyqxmd.com/read/28288790/establishment-of-the-first-who-international-standard-for-etanercept-a-tnf-receptor-ii-fc-fusion-protein-report-of-an-international-collaborative-study
#19
Meenu Wadhwa, Chris Bird, Paula Dilger, Peter Rigsby, Haiyan Jia, Marie Emmanuelle Behr Gross
Etanercept, a recombinant human tumor necrosis factor (TNF) receptor Fc fusion protein is an effective treatment option in adults with rheumatoid arthritis, ankylosing spondylitis, psoriatic arthritis or plaque psoriasis and paediatrics with juvenile idiotypic arthritis and plaque psoriasis. Patent expiration in Europe and intense development of various etanercept products worldwide triggered a need for an international reference standard to facilitate determination of biological activity. Therefore, three candidate preparations of etanercept were lyophilized and evaluated in a multi-centre collaborative study comprising twenty eight laboratories from 15 countries for their suitability to serve as an international standard for the bioactivity of TNF receptor II Fc fusion proteins (international nonproprietary name, Etanercept)...
March 10, 2017: Journal of Immunological Methods
https://www.readbyqxmd.com/read/28285615/consensus-on-the-integrated-traditional-chinese-and-western-medicine-criteria-of-diagnostic-classification-in-polycystic-ovary-syndrome-draft
#20
Jin Yu, Chao-Qin Yu, Qi Cao, Li Wang, Wen-Jun Wang, Li-Rong Zhou, Jing Li, Qiao-Hong Qian
Polycystic ovary syndrome (PCOS) is the most common endocrine and metabolic disorder of women, with complex pathogenesis and heterogeneous manifestations. Professor Jin Yu recently wrote an article entitled "Proposal of Diagnosis and Diagnostic Classification of PCOS in Integrated Traditional Chinese and Western Medicine."From this, the Obstetrics and Gynecology branches of the Chinese Association of Integrative Medicine and the China Association of Chinese Medicine collaborated with the Gynecology branch of the Chinese Association for Research and Advancement of Chinese Medicine to draft a report on the consensus of criteria for the diagnosis and classification of PCOS in integrated traditional Chinese and Western medicine...
March 2017: Journal of Integrative Medicine
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