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https://www.readbyqxmd.com/read/28324938/application-of-semi-supervised-deep-learning-to-lung-sound-analysis
#1
Daniel Chamberlain, Rahul Kodgule, Daniela Ganelin, Vivek Miglani, Richard Ribon Fletcher
The analysis of lung sounds, collected through auscultation, is a fundamental component of pulmonary disease diagnostics for primary care and general patient monitoring for telemedicine. Despite advances in computation and algorithms, the goal of automated lung sound identification and classification has remained elusive. Over the past 40 years, published work in this field has demonstrated only limited success in identifying lung sounds, with most published studies using only a small numbers of patients (typically N<;20) and usually limited to a single type of lung sound...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28324920/an-open-label-randomized-parallel-phase-ii-trial-to-evaluate-the-efficacy-and-safety-of-a-cremophor-free-polymeric-micelle-formulation-of-paclitaxel-as-first-line-treatment-for-ovarian-cancer-a-korean-gynecologic-oncology-group-study-kgog-3021
#2
Shin-Wha Lee, Yong-Man Kim, Chi Heum Cho, Young Tae Kim, Seok Mo Kim, Soo Young Hur, Jae-Hoon Kim, Byoung-Gie Kim, Seung-Cheol Kim, Hee-Sug Ryu, Soon Beom Kang
Purpose: Genexol-PM is a biodegradable cremophor EL-free polymeric micelle formulation of paclitaxel. Here we compared efficacy and safety of Genexol-PM plus carboplatin vs. Genexol plus carboplatin for ovarian cancer treatment. Materials and Methods: In this multicenter, randomized, phase II study, patients with FIGO IC-IV epithelial ovarian cancer were randomly assigned (1:1) to receive Genexol-PM 260 mg/m2 or Genexol 175 mg/m2 with 5 AUC carboplatin every three weeks (6 cycles)...
March 21, 2017: Cancer Research and Treatment: Official Journal of Korean Cancer Association
https://www.readbyqxmd.com/read/28324911/synthesis-of-two-c-14-labeled-cathepsin-c-inhibitors-the-use-of-a-cyanide-to-displace-a-benzotriazole
#3
Lee Kingston, Jonas Bergare, Hans Lönn, Cecilia Ericsson, Gunnar Grönberg, Song Chen, Charles S Elmore
In support of the development of a new treatment for COPD, two C-14 labeled compounds were required for in vitro animal studies. The synthesis of nitrile [(14) C]-1 was completed in 3 steps from C-14 labeled 4-bromobenzonitrile in accord with the previously developed medicinal chemistry route. The second compound, 2, did not possess an arylnitrile as did 1 which made the synthetic design more complex. An advanced, unlabeled benzotriazole containing intermediate, 10, was synthesized in low yield over 3 steps and was subsequently reacted with K(14) CN to give a mixture of diastereomers 12...
March 21, 2017: Journal of Labelled Compounds & Radiopharmaceuticals
https://www.readbyqxmd.com/read/28324908/-magnetic-sentinel-lymph-node-detection-in-prostate-cancer-after-intraprostatic-injection-of-superparamagnetic-iron-oxide-nanoparticles
#4
Alexander Winter, Svenja Engels, Tobias Kowald, Tina Susanne Paulo, Holger Gerullis, Ajay Chavan, Friedhelm Wawroschek
In prostate cancer, reliable information about the lymph node status is of great importance for accurate staging and the optimal planning of treatment. Despite recent advances in imaging, the histological detection of metastases, or pelvic lymphadenectomy (PLND), continues to be the most reliable method for lymph node staging in clinically localised prostate cancer, especially as this procedure enables the detection of small or micrometastases. Radioisotope-guided sentinel PLND (sPLND) demonstrates high sensitivity in the detection of lymph node metastases as well as low morbidity in prostate cancer because of the targeted removal of a relatively small number of lymph nodes...
March 21, 2017: Aktuelle Urologie
https://www.readbyqxmd.com/read/28324779/frontocingulate-cerebral-blood-flow-and-cerebrovascular-reactivity-associated-with-antidepressant-response-in-late-life-depression
#5
Margarita Abi Zeid Daou, Brian D Boyd, Manus J Donahue, Kimberly Albert, Warren D Taylor
BACKGROUND: Vascular pathology is common in late-life depression (LLD) and may contribute to alterations in cerebral blood flow (CBF) and cerebrovascular reactivity (CVR). In turn, such hemodynamic deficits may adversely affect brain function and clinical course. The goal of this study was to examine whether altered cerebral hemodynamics in depressed elders predicted antidepressant response. METHODS: 21 depressed elders completed cranial 3T MRI, including a pseudo-continuous Arterial Spin Labeling (pcASL) acquisition on both room air and during a hypercapnia challenge...
March 16, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28324760/trpv1-agonism-inhibits-endothelial-cell-inflammation-via-activation-of-enos-no-pathway
#6
Youping Wang, Lin Cui, Hui Xu, Suxiao Liu, Feiyun Zhu, Fengna Yan, Si Shen, Mingjun Zhu
BACKGROUND AND AIMS: Transient receptor potential vanilloid type 1 channel (TRPV1) is found to be expressed in endothelial cells (ECs) and activate endothelial nitric oxide synthase (eNOS). Recent studies implicate TRPV1 in attenuating inflammatory responses. However, the mechanisms underlying the beneficial effects remain unclear. In this study, we investigated whether TRPV1 suppresses inflammatory responses of ECs via eNOS/NO pathway. METHODS: Human umbilical vein endothelial cells (HUVECs) and renal microvascular endothelial cells (MVECs) isolated from deoxycorticosterone (DOCA)-salt hypertensive mice were cultured in the presence of capsaicin (CAP, a specific TRPV1 agonist) with or without the specific inhibitor of TRPV1, NOS, or Ca(2+)-dependent phosphatidylinositol 3-kinase (PI3K)/Akt pathway, before lipopolysaccharide (LPS) stimulation...
March 10, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28324689/calcium-phosphate-quercetin-nanocomposite-cpqn-a-multi-functional-nanoparticle-having-ph-indicating-highly-fluorescent-and-anti-oxidant-properties
#7
Mousumi Patra, Riya Mukherjee, Milon Banik, Debanjan Dutta, Naznin Ara Begum, Tarakdas Basu
Calcium phosphate quercetin nanocomposite (CPQN) i.e., quercetin entrapped in calcium phosphate nanoparticle was synthesized by a precipitation method at 80°C, taking ammonium hydrogen phosphate, calcium nitrate and quercetin as precursors and sodium citrate as stabilizer. The nanocomposite suspension had different color at different pH values, a property that could render the nanoparticle a pH indicator. Besides color, the particles also had different size, shape, stability and quercetin content with change of pH...
March 14, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28324671/dose-de-escalation-of-intrapleural-tissue-plasminogen-activator-therapy-for-pleural-infection-the-adapt-project
#8
Natalia Popowicz, Oliver Bintcliffe, Duneesha De Fonseka, Kevin G Blyth, Nicola A Smith, Francesco Piccolo, Geoffrey Martin, Donny Wong, Anthony Edey, Nick Maskell, Y C Gary Lee
RATIONALE: Intrapleural therapy with a combination of tissue plasminogen activator (tPA) 10mg and deoxyribonuclease (DNase) 5mg administered twice daily has been shown in randomized and open-label studies to enable adequate drainage of over 90% of infected pleural effusions without surgery. Potential bleeding risks associated with intrapleural tPA and the drug costs remain important concerns. The ongoing ADAPT (Alteplase Dose Assessment for Pleural infection Therapy) project aims to investigate the efficacy and safety of dose de-escalation for intrapleural tPA...
March 21, 2017: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/28324630/morphological-and-neurochemical-differences-in-peptidergic-nerve-fibres-of-the-mouse-vagina
#9
Christine Barry, Esther Ji, Harman Sharma, Lara Beukes, Pat Vilimas, Yvette DeGraaf, Dusan Matusica, Rainer V Haberberger
The vagina is innervated by a complex arrangement of sensory, sympathetic and parasympathetic nerve fibres that contain classical transmitters plus an array of neuropeptides and enzymes known to regulate diverse processes including blood flow and nociception. The neurochemical characteristics and distributions of peptide-containing nerves in the mouse vagina are unknown. This study used multiple labelling immunohistochemistry, confocal imaging and analysis to investigate the presence and colocalization of the peptides vasoactive intestinal polypeptide (VIP), calcitonin-gene related peptide (CGRP), substance P (SP), neuropeptide tyrosine (NPY) and the nitric oxide synthesizing enzyme neuronal nitric oxide synthase (nNOS) in nerve fibres of the murine vaginal wall...
March 21, 2017: Journal of Comparative Neurology
https://www.readbyqxmd.com/read/28324604/imaging-the-dynamics-of-cell-wall-polymer-deposition-in-the-unicellular-model-plant-penium-margaritaceum
#10
David Domozych, Anna Lietz, Molly Patten, Emily Singer, Berke Tinaz, Sandra C Raimundo
The unicellular green alga, Penium margaritaceum, represents a novel and valuable model organism for elucidating cell wall dynamics in plants. This organism's cell wall contains several polymers that are highly similar to those found in the primary cell walls of land plants. Penium is easily grown in laboratory culture and is effectively manipulated in various experimental protocols including microplate assays and correlative microscopy. Most importantly, Penium can be live labeled with cell wall-specific antibodies or other probes and returned to culture where specific cell wall developmental events can be monitored...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28324600/light-sheet-fluorescence-microscopy-chemical-clearing-and-labeling-protocols-for-ultramicroscopy
#11
Nina Jährling, Klaus Becker, Saiedeh Saghafi, Hans-Ulrich Dodt
Light-sheet microscopy is an effective technique in neuroscience, developmental biology, and cancer research for visualizing and analyzing cellular networks and whole organs in three dimensions. Because this technique requires specimens to be translucent they commonly have to be cleared before microscopy inspection. Here, we provide 3DISCO based protocols for preparing cleared samples of immuno-stained neural networks, lectin-labeled vascular networks, and Methoxy-X04 labeled beta-amyloid plaques in mice. 3DISCO utilizes the lipophilic solvents tetrahydrofuran (THF) and dibenzylether (DBE) for dehydration and successive clearing...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28324498/telomere-g-overhang-length-measurement-method-2-g-tail-telomere-hpa
#12
Hidetoshi Tahara
Both telomere length and telomere G-tail length are altered in human diseases such as cancer and age-related diseases. While most methods for measurement of G-tail and telomere length require electrophoresis, centrifugation, radioisotope labeling and autoradiography, G-tail telomere HPA provides a convenient and useful tool for the examination of G-tail length with a high-throughput platform using genomic DNA or cell lysate. G-tail telomere HPA may be applicable for clinical diagnostics as well as drug target screening...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28324488/flow-cytometer-monitoring-of-bnip3-and-bnip3l-nix-dependent-mitophagy
#13
Matilda Šprung, Ivan Dikic, Ivana Novak
Mitochondria are organelles with numerous vital roles in cellular metabolism. Impaired or damaged mitochondria are degraded in autophagolysosomes in a process known as mitophagy. Given the fundamental role of mitophagy in maintenance of cellular homeostasis, methods and techniques with which to study this process are constantly evolving and emerging. So far, mitophagy flux was mostly monitored using fluorescently labeled LC3 protein on autophagosomal membrane and any of the labeled outer mitochondrial membrane proteins...
March 22, 2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28324319/white-matter-measures-are-near-normal-in-controlled-hiv-infection-except-in-those-with-cognitive-impairment-and-longer-hiv-duration
#14
Lucette A Cysique, James R Soares, Guangqiang Geng, Maia Scarpetta, Kirsten Moffat, Michael Green, Bruce J Brew, Roland G Henry, Caroline Rae
The objective of the current study was to quantify the degree of white matter (WM) abnormalities in chronic and virally suppressed HIV-infected (HIV+) persons while carefully taking into account demographic and disease factors. Diffusion tensor imaging (DTI) was conducted in 40 HIV- and 82 HIV+ men with comparable demographics and life style factors. The HIV+ sample was clinically stable with successful viral control. Diffusion was measured across 32 non-colinear directions with a b-value of 1000 s/mm(2); fractional anisotropy (FA) and mean diffusivity (MD) maps were quantified with Itrack IDL...
March 21, 2017: Journal of Neurovirology
https://www.readbyqxmd.com/read/28324167/efficacy-and-safety-of-golimumab-52-week-maintenance-therapy-in-japanese-patients-with-moderate-to-severely-active-ulcerative-colitis-a-phase-3-double-blind-randomized-placebo-controlled-study-pursuit-j-study
#15
Toshifumi Hibi, Yuya Imai, Asako Senoo, Kentaro Ohta, Yoshifumi Ukyo
BACKGROUND: The global phase 3 studies of golimumab [PURSUIT-SC and PURSUIT-maintenance (M)], an anti-tumor necrosis factor-α (anti-TNFα) antibody, have demonstrated clinical efficacy and safety as induction and maintenance therapies in patients with moderate to severely active ulcerative colitis (UC). This study aimed to evaluate the efficacy and safety of golimumab as maintenance therapy in the Japanese population. METHODS: In this phase 3, double-blind (DB), placebo-controlled, parallel group, randomized withdrawal study, 144 Japanese patients with moderately to severely active UC received golimumab doses of 200 mg (at week 0) and 100 mg (at week 2) subcutaneously during the 6-week open-label induction phase...
March 21, 2017: Journal of Gastroenterology
https://www.readbyqxmd.com/read/28324110/effects-of-metreleptin-in-pediatric-patients-with-lipodystrophy
#16
Rebecca J Brown, Cristina Adelia Meehan, Elaine Cochran, Kristina I Rother, David E Kleiner, Mary Walter, Phillip Gorden
Context: Lipodystrophy syndromes are rare disorders of deficient adipose tissue. Metreleptin, a human analog of leptin, improved metabolic abnormalities in mixed cohorts of leptin-deficient children and adults with lipodystrophy. Objective: Determine effects of metreleptin on diabetes, hyperlipidemia, non-alcoholic fatty liver disease (NAFLD), growth, and puberty in leptin-deficient pediatric patients with lipodystrophy. Design: Prospective, single-arm, open-label studies with continuous enrollment since 2000...
January 23, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28324056/gabaergic-neurons-and-their-modulatory-effects-on-gnrh3-in-zebrafish
#17
Yanlong Song, Binbin Tao, Ji Chen, Shaoting Jia, Zuoyan Zhu, Vance L Trudeau, Wei Hu
Gamma-aminobutyric acid (GABA) is a major amino acid neurotransmitter in the vertebrate brain. To provide detailed information on the distribution of the GABA in zebrafish (Danio rerio), neurons were labeled with mCherry driven by the glutamic acid decarboxylase 67 (gad67) promoter. In the transgenic line Tg(gad67:mCherry), mCherry-positive gad67 cell bodies were predominantly localized to the olfactory bulb, pallial zones, subpallium zones, parvocellular preoptic nucleus, periventricular gray zone of optic tectum, torus semicircularis, posterior tuberculum, medial longitudinal fascicle, caudal zone of periventricular hypothalamus, and oculomotor nucleus...
January 23, 2017: Endocrinology
https://www.readbyqxmd.com/read/28324049/piloting-a-remission-strategy-in-type-2-diabetes-results-of-a-randomized-controlled-trial
#18
Natalia McInnes, Ada Smith, Rose Otto, Jeffrey Vandermey, Zubin Punthakee, Diana Sherifali, Kumar Balasubramanian, Stephanie Hall, Hertzel C Gerstein
Context: Medical strategies targeting remission of type 2 diabetes have not been systematically studied. Objective: This trial assessed the feasibility, safety and potential to induce remission of a short-term intensive metabolic strategy. Design: A randomized, parallel, open-label pilot trial in 83 participants followed for 52 weeks. Setting: Ambulatory care. Participants: Patients with type 2 diabetes of up to 3 years in duration...
March 15, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28324006/effects-of-season-and-estradiol-on-kndy-neuron-peptides-colocalization-with-d2-dopamine-receptors-and-dopaminergic-inputs-in-the-ewe
#19
Peyton Weems, Jeremy Smith, Iain J Clarke, Lique M Coolen, Robert L Goodman, Michael N Lehman
Seasonal reproduction in sheep is primarily due to a dramatic increase in the ability of estradiol (E2) to inhibit the pulsatile secretion of gonadotropin-releasing hormone (GnRH) during the non-breeding season (anestrus). Recent findings suggest that KNDy (kisspeptin/neurokinin B/dynorphin) neurons of the arcuate nucleus (ARC) play a key role in conveying this negative feedback influence, with dopaminergic projections from the retrochiasmatic area acting upon KNDy cells to decrease kisspeptin release and thus inhibit GnRH pulses...
January 16, 2017: Endocrinology
https://www.readbyqxmd.com/read/28323965/long-acting-ctp-modified-hgh-mod-4023-results-of-a-safety-and-dose-finding-study-in-ghd-children
#20
Nataliya Zelinska, Violeta Iotova, Julia Skorodok, Oleg Malievsky, Valentina Peterkova, Lubov Samsonova, Ron G Rosenfeld, Zvi Zadik, Michal Jaron-Mendelson, Ronit Koren, Leanne Amitzi, Dmitri Raduk, Oren Hershkovitz, Gili Hart
Context: Daily injections are required for growth hormone replacement therapy, which may cause low compliance as a result of inconvenience and distress in patients. Objective: CTP-modified human growth hormone (MOD-4023) is developed for once-a-week dosing regimen in GH-deficient (GHD) adults and children. The present trial was a safety and dose-finding study for weekly MOD-4023 in GHD children. Design: a multi-center, open-label, randomized, controlled Phase 2 study in children with GHD, evaluating the safety, tolerability, PK/PD and efficacy of 3 different weekly MOD-4023 doses, compared to daily r-hGH...
January 31, 2017: Journal of Clinical Endocrinology and Metabolism
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