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https://www.readbyqxmd.com/read/28650878/leber-hereditary-optic-neuropathy-bridging-the-translational-gap
#1
Neringa Jurkute, Patrick Yu-Wai-Man
PURPOSE OF REVIEW: Leber hereditary optic neuropathy (LHON) is the most common primary mitochondrial DNA (mtDNA) genetic disorder in the population. We address the clinical evolution of the disease, the secondary etiological factors that could contribute to visual loss, and the challenging task of developing effective treatments. RECENT FINDINGS: LHON is characterized by a preclinical phase that reflects retinal ganglion cell (RGC) dysfunction before rapid visual deterioration ensues...
June 24, 2017: Current Opinion in Ophthalmology
https://www.readbyqxmd.com/read/28650781/rapid-maxillary-expansion-in-obstructive-sleep-apnea-in-young-patients-cardio-respiratory-monitoring
#2
Alfio Buccheri, Fabio Chinè, Giovanni Fratto, Licia Manzon
OBJECTIVE(S): Obstructive sleep apnea syndrome (OSAS) is a respiratory disorder which affects from 1 to 3 % of people during development. OSAS treatment may be pharmacological, surgical or based on application of intraoral devices to increase nasal respiratory spaces. The purpose of this study was to determine the efficacy of the Rapid Maxillary Expander in OSAS young patients by measuring cardio-respiratory monitoring parameters (AHI, the average value of complete and incomplete obstructed respiration per hour of sleep, and SAO2, the percentage of oxygen saturation)...
2017: Journal of Clinical Pediatric Dentistry
https://www.readbyqxmd.com/read/28650005/sub-picomolar-label-free-detection-of-thrombin-using-electrochemical-impedance-spectroscopy-of-aptamer-functionalized-mos2
#3
Kai-Chun Lin, Badrinath Jagannath, Sriram Muthukumar, Shalini Prasad
An ultrasensitive aptasensor for the label free non-faradaic detection of thrombin has been demonstrated on molybdenum disulphide (MoS2) nanosheets. These nanosheets were physiochemically immobilized onto a silicon micro-electrode platform. Thrombin detection was achieved through the charge modulation of the electrical double layer due to the specific and dose dependent binding of thrombin to the surface of thiol terminated ssDNA aptamer functionalized MoS2 nanosheets. Electrical double layer charge modulation associated with thrombin binding was characterized using electrochemical impedance spectroscopy...
June 26, 2017: Analyst
https://www.readbyqxmd.com/read/28649273/high-burden-of-malaria-and-anemia-among-tribal-pregnant-women-in-a-chronic-conflict-corridor-in-india
#4
Gustavo Corrêa, Mrinalini Das, Rama Kovelamudi, Nagendra Jaladi, Charlotte Pignon, Kalyan Vysyaraju, Usha Yedla, Vijya Laxmi, Pavani Vemula, Vijaya Gowthami, Hemant Sharma, Daniel Remartinez, Stobdan Kalon, Kirrily de Polnay, Martin De Smet, Petros Isaakidis
BACKGROUND: With more than 200 million cases a year, malaria is an important global health concern, especially among pregnant women. The forested tribal areas of Andhra Pradesh, Telangana and Chhattisgarh in India are affected by malaria and by an on-going chronic conflict which seriously limits access to health care. The burden of malaria and anemia among pregnant women in these areas is unknown; moreover there are no specific recommendations for pregnant women in the Indian national malaria policy...
2017: Conflict and Health
https://www.readbyqxmd.com/read/28649245/camelid-single-domain-antibodies-as-an-alternative-to-overcome-challenges-related-to-the-prevention-detection-and-control-of-neglected-tropical-diseases
#5
REVIEW
Carla F C Fernandes, Soraya Dos S Pereira, Marcos B Luiz, Juliana P Zuliani, Gilvan P Furtado, Rodrigo G Stabeli
Due mainly to properties such as high affinity and antigen specificity, antibodies have become important tools for biomedical research, diagnosis, and treatment of several human diseases. When the objective is to administer them for therapy, strategies are used to reduce the heterologous protein immunogenicity and to improve pharmacokinetic and pharmacodynamic characteristics. Size minimization contributes to ameliorate these characteristics, while preserving the antigen-antibody interaction site. Since the discovery that camelids produce functional antibodies devoid of light chains, studies have proposed the use of single domains for biosensors, monitoring and treatment of tumors, therapies for inflammatory and neurodegenerative diseases, drug delivery, or passive immunotherapy...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28648962/exosomes-as-reconfigurable-therapeutic-systems
#6
REVIEW
R Steven Conlan, Simone Pisano, Marta I Oliveira, Mauro Ferrari, I Mendes Pinto
Historically, small molecules, including steroid hormones and cytokines, have been attributed a role in paracrine and endocrine signaling, and now include a new player: biological nanoparticles, or 'exosomes'. Generated intracellularly, and defined simply as nanoparticulate packages of signaling moieties, exosomes have emerged as vehicles for highly specialized local and distant intercellular communication. Exosomes are increasingly being recognized as contributing factors in many diseases, and their potential as biomarkers and in therapeutics is rapidly emerging...
May 29, 2017: Trends in Molecular Medicine
https://www.readbyqxmd.com/read/28648185/exosomes-as-reconfigurable-therapeutic-systems
#7
REVIEW
R Steven Conlan, Simone Pisano, Marta I Oliveira, Mauro Ferrari, I Mendes Pinto
Historically, small molecules, including steroid hormones and cytokines, have been attributed a role in paracrine and endocrine signaling, and now include a new player: biological nanoparticles, or 'exosomes'. Generated intracellularly, and defined simply as nanoparticulate packages of signaling moieties, exosomes have emerged as vehicles for highly specialized local and distant intercellular communication. Exosomes are increasingly being recognized as contributing factors in many diseases, and their potential as biomarkers and in therapeutics is rapidly emerging...
July 2017: Trends in Molecular Medicine
https://www.readbyqxmd.com/read/28647912/chemiluminescent-immunoassay-technology-what-does-it-change-in-autoantibody-detection
#8
Luigi Cinquanta, Desré Ethel Fontana, Nicola Bizzaro
Diagnostic technology is rapidly evolving, and over the last decade, substantial progress has been made even for the identification of antibodies, increasingly approaching this type of diagnostic to that of automated clinical chemistry laboratory. In this review, we describe the analytical and diagnostic characteristics of chemiluminescence technology in its strength and in its applicability for a more rapid and accurate diagnosis of autoimmune diseases. The wide dynamic range, greater than that of immunoenzymatic methods, the high sensitivity and specificity of the results expressed in quantitative form, the high degree of automation and the clinical implications related to the reduction in the turnaround time, and the ability to run a large number of antibody tests (even of different isotypes), directed towards large antigenic panels in random access mode, make this technology the most advanced in the clinical laboratory, with enormous repercussions on the workflow and on the autoimmunology laboratory organisation...
December 2017: Auto- Immunity Highlights
https://www.readbyqxmd.com/read/28647066/large-scale-evaluation-of-a-rapid-diagnostic-test-for-human-cystic-echinococcosis
#9
Alice Baraquin, Houria Zait, Florence-Elisabeth Grenouillet, Elise Moreau, Boussad Hamrioui, Frédéric Grenouillet
Cystic echinococcosis (CE) is a neglected zoonotic disease, diagnosed through clinical findings, imaging techniques, and serology, for which many serological tests are available. Here we report a rapid unit assay, the immunochromatographic VIRapid® HYDATIDOSIS test (Vircell, Granada, Spain), potentially suitable for laboratories in low-prevalence or poorly equipped areas. This test was evaluated with a large retrospective cohort (224 sera), including patients suffering from CE or from other parasitic or liver diseases...
June 10, 2017: Diagnostic Microbiology and Infectious Disease
https://www.readbyqxmd.com/read/28646949/recognition-and-diagnosis-of-invasive-fungal-infections-in-neonates
#10
Joanne L Calley, Adilia Warris
Fungal infections largely caused by Candida species are responsible for a significant disease burden in neonates and invasive candidiasis in hospitalised neonates has high associated morbidity and mortality. Early initiation of antifungal treatment improves outcome but the recognition and diagnosis of systemic fungal infection in this population is difficult due to the non-specific clinical presentation and the high false negative rate of cultures. There is a need for a practical, sensitive and rapid diagnostic test to enhance identification and early treatment...
June 2017: Journal of Infection
https://www.readbyqxmd.com/read/28646854/treatment-delay-and-fatal-outcomes-of-pulmonary-tuberculosis-in-advanced-age-a-retrospective-nationwide-cohort-study
#11
Chih-Hsin Lee, Jann-Yuan Wang, Hsien-Chun Lin, Pai-Yang Lin, Jer-Hwa Chang, Chi-Won Suk, Li-Na Lee, Chou-Chin Lan, Kuan-Jen Bai
BACKGROUND AND OBJECTIVE: Studies focusing on pulmonary tuberculosis in advanced age (≥80 years) are lacking. This study aimed to explore treatment delay, outcomes and their predictors in this group. METHODS: Adult (≥20 years) patients with pulmonary tuberculosis were identified from the National Health Insurance Research Database of Taiwan from 2004 to 2009. Treatment completion and mortality rates were noted at one year after treatment. RESULTS: Among the 81,081 patients with pulmonary tuberculosis identified, 13,923 (17...
June 24, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28646143/a-comparison-between-sphere-and-rod-nanoparticles-regarding-their-in-vivo-biological-behavior-and-pharmacokinetics
#12
Yating Zhao, Yu Wang, Fu Ran, Yu Cui, Chang Liu, Qinfu Zhao, Yikun Gao, Da Wang, Siling Wang
In recent years, spherical nanoparticles has been studied extensively on biomedical applications including bioimaging and biosensing, diagnostics and theranostics, but the effect of the shape of nanoparticles has received little attention. In the present study, we designed three different shaped fluorescent mesoporous silica nanoparticles (MSNs), long rod nanoparticles (NLR), short rod nanoparticles (NSR), and spherical nanoparticles (NS) to systematically examine their behavior in vivo after oral administration...
June 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28645964/the-predictive-value-of-serial-changes-in-diaphragm-function-during-the-spontaneous-breathing-trial-for-weaning-outcome-a-study-protocol
#13
Pengmin Zhou, Zhongheng Zhang, Yucai Hong, Huabo Cai, Hui Zhao, Peifeng Xu, Yiming Zhao, Shengping Lin, Xuchang Qin, JiaWei Guo, Yun Pan, Junru Dai
INTRODUCTION: There is a variety of tools being used in clinical practice for the prediction of weaning success from mechanical ventilation. However, their diagnostic performances are less than satisfactory. The purpose of this study is to investigate the value of serial changes in diaphragm function measured by ultrasound during the spontaneous breathing trial (SBT) as a weaning predictor. METHODS AND ANALYSIS: This is a prospective observational study conducted in a 10-bed medical emergency intensive care unit (EICU) in a university-affiliated hospital...
June 23, 2017: BMJ Open
https://www.readbyqxmd.com/read/28644551/erythema-multiforme-like-lesions-in-primary-cutaneous-aggressive-cytotoxic-epidermotropic-cd8-t-cell-lymphoma-a-diagnostic-and-therapeutic-challenge
#14
Carlo Tomasini, Mauro Novelli, Daniele Fanoni, Emilio Francesco Berti
Primary cutaneous aggressive epidermotropic CD8+ cytotoxic T-cell lymphoma (pCAECD8+ CTCL), is an extremely rare, rapidly progressing cutaneous lymphoma, with frequent systemic involvement, first recognized as a distinct clinicopathologic entity by Berti et al in 1999. (1) As the name suggests, this entity has an aggressive behavior and exhibits marked epidermotropism on histopathologic analysis. Conventional treatment modalities for classic CTCL are often ineffective and the prognosis is poor with a median survival of 12 months...
June 23, 2017: Journal of Cutaneous Pathology
https://www.readbyqxmd.com/read/28644540/cytokeratin-19-expression-in-early-oral-squamous-cell-carcinoma-and-their-metastasis-inadequate-biomarker-for-one-step-nucleic-acid-amplification-implementation-in-sentinel-lymph-node-biopsy-procedure
#15
Rob Noorlag, Robert J J van Es, Remco de Bree, Stefan M Willems
BACKGROUND: Intraoperative analysis of lymph nodes during a sentinel lymph node biopsy (SLNB) procedure could result in one-step surgery for early oral squamous cell carcinoma (OSCC) with an occult nodal metastasis. One-step nucleic acid amplification rapidly detects cytokeratin 19 (CK19) RNA with high accuracy. Sensitivity and specificity of CK19 expression in OSCC was evaluated. METHODS: Immunohistochemical CK19 expression was done in 207 patients with OSCC with 65 cases of paired nodal metastases...
June 23, 2017: Head & Neck
https://www.readbyqxmd.com/read/28643489/comparison-of-the-luminex-xtag-respiratory-viral-panel-fast-v2-assay-with-anyplex-ii-rv16-detection-kit-and-advansure-rv-real-time-rt-pcr-assay-for-the-detection-of-respiratory-viruses
#16
Dae Hyun Ko, Hyun Soo Kim, Jungwon Hyun, Han Sung Kim, Jae Seok Kim, Kyoung Un Park, Wonkeun Song
BACKGROUND: The accurate and rapid identification of the causative viruses is important for the timely diagnosis and management of respiratory infections. Multiplex molecular diagnostic techniques have been widely adopted to detect respiratory viruses. We compared the results of a newly upgraded, multiplex, molecular bead-based respiratory viral panel (RVP) assay with the results of Anyplex II RV16 detection kit and AdvanSure RV real-time RT-PCR assay. METHODS: We tested 254 respiratory specimens and cultured viral strains using the Luminex xTAG RVP Fast v2 assay (Luminex Molecular Diagnostics, Canada) and Anyplex II RV16 detection kit and compared the results...
September 2017: Annals of Laboratory Medicine
https://www.readbyqxmd.com/read/28642604/turning-the-tide-in-myelodysplastic-myeloproliferative-neoplasms
#17
REVIEW
Michael W N Deininger, Jeffrey W Tyner, Eric Solary
Myelodysplastic syndromes/myeloproliferative neoplasms (MDS/MPN) are aggressive myeloid malignancies recognized as a distinct category owing to their unique combination of dysplastic and proliferative features. Although current classification schemes still emphasize morphology and exclusionary criteria, disease-defining somatic mutations and/or germline predisposition alleles are increasingly incorporated into diagnostic algorithms. The developing picture suggests that phenotypes are driven mostly by epigenetic mechanisms that reflect a complex interplay between genotype, physiological processes such as ageing and interactions between malignant haematopoietic cells and the stromal microenvironment of the bone marrow...
June 23, 2017: Nature Reviews. Cancer
https://www.readbyqxmd.com/read/28641964/metal-nanoparticles-in-dermatology-and-cosmetology-interactions-with-human-skin-cells
#18
REVIEW
Karolina Niska, Ewelina Zielinska, Marek Witold Radomski, Iwona Inkielewicz-Stepniak
Nanotechnology is a rapidly developing branch of science, which studies control of phenomena and materials sized below 100 nm. Nanotechnology is applicable in many areas of life and medicine including skin care and personal hygiene. The nanoparticles (NPs) of metals and metal oxides are increasingly used in dermatology and cosmetology, especially in prevention and treatment of bacterial and fungal infections, in protection against the harmful effects of the sun and in preparations reducing the visibility of scars by accelerating the repair processes of skin cells...
June 19, 2017: Chemico-biological Interactions
https://www.readbyqxmd.com/read/28641501/hematological-characterizations-and-molecular-diagnostic-aspects-of-hb-wiangpapao-%C3%AE-44-ce2-pro%C3%A2-ser-%C3%AE-1-ccg-tcg-hba1-c-133c-t-a-new-%C3%AE-globin-variant-found-in-a-pregnant-thai-woman
#19
Sitthichai Panyasai, Sakorn Pornprasert
We report the hematological parameters and provide a rapid molecular analysis method for detection of Hb Wiangpapao [α44(CE2)Pro→Ser, CCG>TCG; HBA1: c.133C>T], a new α-globin variant found in a pregnant Thai woman. Her red cell indices were measured by an automated blood counter. The results were: red blood cell (RBC) count 4.03 × 10(12)/L, Hb 13.1 (g/dL), packed cell volume (PCV) 0.39 L/L, mean corpuscular volume (MCV) 97.0 fL, mean corpuscular hemoglobin (Hb) (MCH) 32.5 pg, mean corpuscular Hb concentration (MCHC) 33...
June 23, 2017: Hemoglobin
https://www.readbyqxmd.com/read/28641316/a-cancer-geography-paradox-poorer-cancer-outcomes-with-longer-travelling-times-to-healthcare-facilities-despite-prompter-diagnosis-and-treatment-a-data-linkage-study
#20
Melanie Turner, Shona Fielding, Yuhan Ong, Chris Dibben, Zhiqianq Feng, David H Brewster, Corri Black, Amanda Lee, Peter Murchie
BACKGROUND: Rurality and distance from cancer treatment centres have been shown to negatively impact cancer outcomes, but the mechanisms remain obscure. METHODS: We analysed the impact of travel time to key healthcare facilities and mainland/island residency on the cancer diagnostic pathway (treatment within 62 days of referral, and within 31 days of diagnosis) and 1-year mortality using a data-linkage study with 12 339 patients. RESULTS: After controlling for important confounders, mainland patients with more than 60 min of travelling time to their cancer treatment centre ((OR 1...
June 22, 2017: British Journal of Cancer
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