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https://www.readbyqxmd.com/read/28636607/three-dimensional-cell-shapes-and-arrangements-in-human-sweat-glands-as-revealed-by-whole-mount-immunostaining
#1
Ryuichiro Kurata, Sugiko Futaki, Itsuko Nakano, Fumitaka Fujita, Atsushi Tanemura, Hiroyuki Murota, Ichiro Katayama, Fumihiro Okada, Kiyotoshi Sekiguchi
Because sweat secretion is facilitated by mechanical contraction of sweat gland structures, understanding their structure-function relationship could lead to more effective treatments for patients with sweat gland disorders such as heat stroke. Conventional histological studies have shown that sweat glands are three-dimensionally coiled tubular structures consisting of ducts and secretory portions, although their detailed structural anatomy remains unclear. To better understand the details of the three-dimensional (3D) coiled structures of sweat glands, a whole-mount staining method was employed to visualize 3D coiled gland structures with sweat gland markers for ductal luminal, ductal basal, secretory luminal, and myoepithelial cells...
2017: PloS One
https://www.readbyqxmd.com/read/28635975/our-responsibility-to-our-research-participants
#2
Anne Katz
As the readers of this journal know all too well, conducting a study takes a lot of time, energy, commitment, and, most of all, work. I do not have to list the myriad steps that need to be taken, often with delays in between, to take a study from good idea to analysis. There are often sweat and tears, if not blood, and, at the end of the process, there may be exhaustion. Then the piles of paper and data-rich files languish on a desk or computer, never to see the light of day. Or, perhaps, a manuscript is written and submitted and then rejected or needs extensive revision...
May 1, 2017: Oncology Nursing Forum
https://www.readbyqxmd.com/read/28635546/physical-activity-and-asthma-a-longitudinal-and-multi-country-study
#3
Melissa A Russell, Christer Janson, Francisco Gómez Real, Ane Johannessen, Marie Waatevik, Bryndis Benediktsdóttir, Mathias Holm, Eva Lindberg, Vivi Schlünssen, Wasif Raza, Shyamali C Dharmage, Cecilie Svanes
OBJECTIVE: To investigate the impact of physical activity on asthma in middle-aged adults, in one longitudinal analysis, and one multi-centre cross-sectional analysis. METHODS: The Respiratory Health in Northern Europe (RHINE) is a population-based postal questionnaire cohort study. Physical activity, height and weight were self-reported in Bergen, Norway, at RHINE II (1999-2001) and all centres at RHINE III (2010-2012). A longitudinal analysis of Bergen data investigated the association of baseline physical activity with follow-up asthma, incident asthma and symptoms, using logistic and zero-inflated Poisson regression (n = 1782)...
February 16, 2017: Journal of Asthma: Official Journal of the Association for the Care of Asthma
https://www.readbyqxmd.com/read/28634889/the-efficacy-of-airflow-and-seat-vibration-on-reducing-visually-induced-motion-sickness
#4
Sarah D'Amour, Jelte E Bos, Behrang Keshavarz
Visually induced motion sickness (VIMS) is a well-known sensation in virtual environments and simulators, typically characterized by a variety of symptoms such as pallor, sweating, dizziness, fatigue, and/or nausea. Numerous methods to reduce VIMS have been previously introduced; however, a reliable countermeasure is still missing. In the present study, the effect of airflow and seat vibration to alleviate VIMS was investigated. Eighty-two participants were randomly assigned to one of four groups (airflow, vibration, combined airflow and vibration, and control) and then exposed to a 15 min long video of a bicycle ride shot from first-person view...
June 20, 2017: Experimental Brain Research. Experimentelle Hirnforschung. Expérimentation Cérébrale
https://www.readbyqxmd.com/read/28633728/bilateral-large-pneumothoraxes-following-implantable-cardioverter-defibrillator-generator-change-a-case-report-of-an-uncommon-event-complicating-a-common-procedure
#5
Ritin Bomb, Sunil K Jha
INTRODUCTION: A bilateral large spontaneous pneumothorax to our knowledge has never been reported after a device implantation. We report an unusual case of a patient developing spontaneous bilateral large pneumothoraxes after an implantable cardioverter-defibrillator generator and lead revision without evidence of any obvious traumatic cardiac injury. CASE PRESENTATION: A 79-year-old white man was scheduled for implantable cardioverter-defibrillator generator change and addition of an atrial lead...
2017: Permanente Journal
https://www.readbyqxmd.com/read/28632205/speckle-modulating-optical-coherence-tomography-in-living-mice-and-humans
#6
Orly Liba, Matthew D Lew, Elliott D SoRelle, Rebecca Dutta, Debasish Sen, Darius M Moshfeghi, Steven Chu, Adam de la Zerda
Optical coherence tomography (OCT) is a powerful biomedical imaging technology that relies on the coherent detection of backscattered light to image tissue morphology in vivo. As a consequence, OCT is susceptible to coherent noise (speckle noise), which imposes significant limitations on its diagnostic capabilities. Here we show speckle-modulating OCT (SM-OCT), a method based purely on light manipulation that virtually eliminates speckle noise originating from a sample. SM-OCT accomplishes this by creating and averaging an unlimited number of scans with uncorrelated speckle patterns without compromising spatial resolution...
June 20, 2017: Nature Communications
https://www.readbyqxmd.com/read/28631969/cognitive-functions-among-predominantly-minority-urban-adolescents-with-metabolic-syndrome
#7
Alexander Mangone, Kathy F Yates, Victoria Sweat, Adriana Joseph, Antonio Convit
The rise in the rate of adolescent obesity has led to a concurrent rise in the rate of metabolic syndrome (MetS) among young people. In addition to diabetes and cardiovascular disease, MetS has also been linked to cognitive dysfunction. The goal of this study was to assess whether cognitive differences exist between minority urban adolescents carrying excess weight who meet criteria for MetS as compared to their peers without MetS. Two hundred and ninety-six urban adolescents, predominantly Hispanic and carrying excess weight as defined by a BMI above 25 kg/m(2), were screened for MetS and divided into MetS and no MetS groups...
February 22, 2017: Applied Neuropsychology. Child
https://www.readbyqxmd.com/read/28625251/-a-novel-protein-peptide-associated-with-ischemic-heart-disease-dermcidin
#8
Hu Xia, Kai Feng
Dermcidin (DCD) was found in isolated human skin sweat glands with antimicrobial effect, and was defined as a kind of new small molecule antimicrobial peptide. It was a part of human sweat glands in the skin as the immune system's innate defense. With the studies of DCD, its extensive biological functions are gradually discovered. Since 2010, a number of studies have shown that DCD may be a new risk factor for atherosclerosis. And the role of DCD in ischemic heart disease has drawn increasing attention in particular its relationship with insulin secretion and glycemic control, nitric oxide (NO) synthesis and hypertension, platelet aggregation and acute myocardial infarction (AMI)...
June 2017: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/28625163/gamma-delta-%C3%AE-%C3%AE-t-cell-lymphoma-another-case-unclassifiable-by-world-health-organization-classification-a-case-report
#9
Hemant Sindhu, Ruqin Chen, Hui Chen, Jonathan Wong, Rashid Chaudhry, Yin Xu, Jen C Wang
BACKGROUND: We present a case of gamma-delta T-cell lymphoma that does not fit the current World Health Organization classifications. CASE PRESENTATION: A 74-year-old Caribbean-American woman presented with lymphocytosis, pruritus, and non-drenching night sweats. Bone marrow and peripheral blood analyses both confirmed the diagnosis of gamma-delta T-cell lymphoma. An axillary lymph node biopsy was negative for lymphoma. Clinically absent hepatosplenomegaly and skin lesions with biopsy-proven gamma-delta T-cell lymphoma suggest that she is unclassifiable within the current classification system...
June 19, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28620757/a-novel-homozygous-complex-deletion-in-cftr-caused-cystic-fibrosis-in-a-chinese-patient
#10
Keqiang Liu, Yaping Liu, Xue Li, Kai-Feng Xu, Xinlun Tian, Xue Zhang
Cystic fibrosis (CF) is the most frequent lethal genetic disorder among Caucasians, but is considered to be a very rare disease in Chinese population. Here, we present an 11-year-old Chinese CF patient with disseminated bronchiectasis and salty sweat, for whom exon sequencing followed by multiplex ligation-dependent probe amplification analysis of the CFTR gene was applied for mutation screening. A homozygous deletion involving exon 20 of CFTR was observed in the patient's genome. Molecular characterization of the breakpoints indicated that both alleles of this locus had an identical novel complex rearrangement (c...
June 15, 2017: Molecular Genetics and Genomics: MGG
https://www.readbyqxmd.com/read/28616421/cystic-fibrosis-prevalence-among-a-group-of-high-risk-children-in-the-main-referral-children-hospital-in-iran
#11
Mohammad Reza Modaresi, Jamal Faghinia, Mohsen Reisi, Majid Keivanfar, Shiva Navaie, Javad Seyyedi, Faride Baharzade
BACKGROUND: Knowledge about cystic fibrosis (CF) in Iran is very limited. The objective of this study was to determine the prevalence of CF among a group of high-risk children with suggestive clinical features in the main referral hospital in Iran. MATERIALS AND METHODS: This study children consisted of 505 patients who had presented with one or more of the following symptoms: chronic or recurrent respiratory symptoms, gastrointestinal symptoms as rectal prolapse, steatorrhea, hepatobiliary disease as prolonged jaundice, failure to thrive, hyperglycemia and glycosuria, hypochloremic metabolic alkalosis, hypoprothrombinemia, anemia or edema, and positive family history of CF...
2017: Journal of Education and Health Promotion
https://www.readbyqxmd.com/read/28616394/new-method-of-sudomotor-function-measurement-to-detect-microvascular-disease-and-sweat-gland-nerve-or-unmyelinated-c-fiber-dysfunction-in-adults-with-retinopathy
#12
John E Lewis, Steven E Atlas, Ammar Rasul, Ashar Farooqi, Laura Lantigua, Oscar L Higuera, Andrea Fiallo, Lianette Laria, Renata Picciani, Ken Wals, Zohar Yehoshua, Armando Mendez, Janet Konefal, Sharon Goldberg, Judi Woolger
BACKGROUND: Diabetes-associated microvascular complications such as retinopathy and neuropathy often lead to end-organ and tissue damage. Impaired skin microcirculation often precedes the detection of other advanced diabetic complications. The ANS-1 system contains a redesigned sympathetic skin response (ANS-1 SSR) device that measures sudomotor function, a photoplethysmography sensor, and a blood pressure device to comprehensively assess cardiac autonomic neuropathy and endothelial dysfunction...
2017: Journal of Diabetes and Metabolic Disorders
https://www.readbyqxmd.com/read/28611235/improvement-in-exercise-duration-lung-function-and-well-being-in-g551d-cystic-fibrosis-patients-a-double-blind-placebo-controlled-randomised-cross-over-study-with-ivacaftor
#13
Dominic T Keating, Deirdre Edgeworth, Matthew Ellis, Brenda Button, Elyssa Williams, Denise Clark, Audrey Tierney, Stephane Heritier, Anastase Kotsimbos, John Wilson
G551D , a mutation of the cystic fibrosis transmembrane conductance regulator (CFTR) gene, results in impaired chloride channel function in cystic fibrosis (CF) with multiple end-organ manifestations. The effect of ivacaftor, a CFTR-potentiator, on exercise capacity in cystic fibrosis (CF) is unknown. Twenty G551D-CF patients were recruited to a single-centre, double-blind, placebo-controlled, 28-day crossover study of ivacaftor. Variables measured included percentage change from baseline (%Δ) of VO2max (maximal oxygen consumption, primary outcome) during cardiopulmonary exercise testing (CPET), relevant other CPET physiological variables, lung function, BMI, sweat chloride, and disease specific health related quality of life (QOL) measures (CFQ-R and Alfred Wellness (AWEscore))...
June 13, 2017: Clinical Science (1979-)
https://www.readbyqxmd.com/read/28609330/age-modulates-physiological-responses-during-fan-use-under-extreme-heat-and-humidity
#14
Daniel Gagnon, Steven A Romero, Matthew N Cramer, Ken Kouda, Paula Ys Poh, Hai Ngo, Ollie Jay, Craig G Crandall
PURPOSE: We examined the effect of electric fan use on cardiovascular and thermoregulatory responses of nine young (26 ± 3 years) and nine aged (68 ± 4 years) adults exposed to extreme heat and humidity. METHODS: While resting at a temperature of 42°C, relative humidity increased from 30 to 70% in 2% increments every 5 minutes. On randomized days, the protocol was repeated without or with fan use. Heart rate (HR), core (Tcore) and mean skin (Tsk) temperatures were measured continuously...
June 12, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28608624/four-case-reports-of-chinese-cystic-fibrosis-patients-and-literature-review
#15
Juan Xu, Yong Yin, Lei Zhang, Jing Zhang, Shuhua Yuan, Hao Zhang
AIM: Cystic fibrosis (CF) is an extremely rare disease in Asians. Here, we report four Chinese children with CF and review the literature about Chinese CF patients. METHODS: The cystic fibrosis transmembrane conductance regulator (CFTR) gene testing was performed on four suspected patients for CF screening. We also reviewed the literature about Chinese CF patients from 1970s. The clinical data of all these CF patients were summarized. RESULTS: We diagnosed four CF patients who had mutations in the CFTR gene...
June 13, 2017: Pediatric Pulmonology
https://www.readbyqxmd.com/read/28606620/efficacy-and-safety-of-lumacaftor-and-ivacaftor-in-patients-aged-6-11-years-with-cystic-fibrosis-homozygous-for-f508del-cftr-a-randomised-placebo-controlled-phase-3-trial
#16
Felix Ratjen, Christopher Hug, Gautham Marigowda, Simon Tian, Xiaohong Huang, Sanja Stanojevic, Carlos E Milla, Paul D Robinson, David Waltz, Jane C Davies
BACKGROUND: Lumacaftor and ivacaftor combination treatment showed efficacy in patients aged 12 years or older with cystic fibrosis homozygous for F508del-cystic fibrosis transmembrane conductance regulator (CFTR) in placebo-controlled studies and patients aged 6-11 years with cystic fibrosis homozygous for F508del-CFTR in an open-label study. We report efficacy and safety of lumacaftor and ivacaftor in patients with cystic fibrosis aged 6-11 years homozygous for F508del-CFTR. METHODS: In this phase 3, randomised, double-blind, placebo-controlled, multicentre study, patients were enrolled at 54 hospitals and medical centres in nine countries (the USA, Australia, Belgium, Canada, Denmark, France, Germany, Sweden, and the UK)...
June 8, 2017: Lancet Respiratory Medicine
https://www.readbyqxmd.com/read/28606591/safety-and-immunogenicity-of-the-rvsv%C3%A2-g-zebov-gp-ebola-virus-vaccine-candidate-in-healthy-adults-a-phase-1b-randomised-multicentre-double-blind-placebo-controlled-dose-response-study
#17
D Gray Heppner, Tracy L Kemp, Brian K Martin, William J Ramsey, Richard Nichols, Emily J Dasen, Charles J Link, Rituparna Das, Zhi Jin Xu, Eric A Sheldon, Teresa A Nowak, Thomas P Monath
BACKGROUND: The 2014 Zaire Ebola virus outbreak highlighted the need for a safe, effective vaccine with a rapid onset of protection. We report the safety and immunogenicity of the recombinant vesicular stomatitis virus-Zaire Ebola virus envelope glycoprotein vaccine (rVSV∆G-ZEBOV-GP) across a 6 log10 dose range in two sequential cohorts. METHODS: In this phase 1b double-blind, placebo-controlled, dose-response study we enrolled and randomly assigned healthy adults (aged 18-61 years) at eight study sites in the USA to receive a single injection of vaccine or placebo, administered by intramuscular injection...
June 9, 2017: Lancet Infectious Diseases
https://www.readbyqxmd.com/read/28605253/pre-cooling-with-crushed-ice-is-as-effective-as-heat-acclimation-at-improving-cycling-time-trial-performance-in-the-heat
#18
Matthew Zimmermann, Grant J Landers, Karen E Wallman, Georgina Kent
This study compared pre-cooling (ice ingestion) with heat acclimation training on cycling time trial (CTT) performance in the heat. Fifteen male cyclists/triathletes completed two 800 kJ cycle time trials in the heat, with a 12-day training program in between. Initially, all participants consumed 7 g·kg(-1) of water (22°C) in 30 min, prior to completing an 800 kJ CTT in hot, humid conditions (pre-CTT) (35°C, 50% relative humidity; RH). Participants were then split into two groups, pre-cooling (n=7): trained in thermoneutral conditions then underwent pre-cooling with ice ingestion (7 g·kg(-1),1°C) prior to the final CTT (post-CTT), heat acclimation (n=8): trained in hot conditions (35°C, 50% RH) and consumed water (7 g·kg(-1)) prior to post-CTT...
June 12, 2017: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/28603514/cutaneous-autonomic-pilomotor-testing-to-unveil-the-role-of-neuropathy-progression-in-early-parkinson-s-disease-capture-pd-protocol-for-a-multicenter-study
#19
Timo Siepmann, Alexandra Pintér, Sylvia J Buchmann, Leonie Stibal, Martin Arndt, Anne Sophie Kubasch, Marie Luise Kubasch, Ana Isabel Penzlin, Elka Frenz, Wagner Zago, Tamás Horváth, Szabolcs Szatmári, Dániel Bereczki, Annamária Takáts, Tjalf Ziemssen, Axel Lipp, Roy Freeman, Heinz Reichmann, Kristian Barlinn, Ben Min-Woo Illigens
BACKGROUND: In Parkinson's disease (PD), alpha-synuclein accumulation in cutaneous autonomic pilomotor and sudomotor nerve fibers has been linked to autonomic nervous system disturbances even in the early stages of the disease. This study aims to assess the association between alpha-synuclein-mediated structural autonomic nerve fiber damage and function in PD, elucidate the role of neuropathy progression during the early disease stages, and test reproducibility and external validity of pilomotor function assessment using quantitative pilomotor axon-reflex test and sudomotor function via quantitative direct and indirect test of sudomotor function...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28599946/a-58-year-old-man-with-fatigue-weight%C3%A2-loss-and-diffuse-miliary-pulmonary%C3%A2-opacities
#20
Udit Chaddha, Rebekah English, Jessica Daniels, Rajat Walia, Atul C Mehta, Tanmay S Panchabhai
A 58-year-old man presented with a 6-month history of profound fatigue and a weight loss of 35 to 40 pounds. He reported occasional night sweats and mildly painful knees and elbows without swelling or redness. He denied respiratory symptoms, rashes, or fevers. He had no respiratory symptoms. The patient's history was significant for rheumatoid arthritis (with arthralgias and joint involvement), paroxysmal atrial fibrillation, and hypothyroidism. His medications included digoxin and metoprolol. He had been taking methotrexate and low-dose prednisone (5 mg) for approximately 10 years but discontinued taking these medications 2 years prior to current presentation...
June 2017: Chest
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