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https://www.readbyqxmd.com/read/28741455/pivotal-roles-of-interleukin-17-as-the-epicenter-of-bone-loss-diseases
#1
Chongshan Liao, Chengfei Zhang, Yanqi Yang
Bone remodelling is a strictly regulated dynamic process between bone resorption and bone formation. Many factors are involved in the process and affect the dynamic balance. Inflammation-mediated bone loss is a major feature of various bone diseases, including periodontitis, rheumatoid arthritis (RA) and spondyloarthritis (SpA). Interleukin-17 (IL-17) plays an important role in inflammatory bone disease and could be an attractive therapeutic target. This review focuses on the osteoclastic effects of IL-17 in different cell types and summarizes the current knowledge of IL-17 signalling pathways...
May 19, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28741259/adoptive-transfer-of-autoimmune-splenic-dendritic-cells-to-lupus-prone-mice-triggers-a-b-lymphocyte-humoral-response
#2
Daniela Sauma, Natalia Crisóstomo, Camila Fuentes, María Alejandra Gleisner, Yessia Hidalgo, María José Fuenzalida, Mario Rosemblatt, María Rosa Bono
Systemic lupus erythematosus (SLE) is an autoimmune disease characterized by increased autoantibody production that leads to multiple tissue injuries. Dendritic cells (DCs) are important orchestrators of immune responses and key components in fine-tuning the balance between tolerance and immunity. However, their role in autoimmune disorders such as SLE remains uncertain. We analyzed the contribution of DCs in triggering SLE by adoptively transferring splenic DCs from aged autoimmune [NZB×NZW]F1 (BWF1) mice to young healthy BWF1 mice...
July 25, 2017: Immunologic Research
https://www.readbyqxmd.com/read/28739551/the-description-of-a-new-case-with-proopiomelanocortin-pomc-deficiency-an-increasingly-important-diagnosis-to-make
#3
Semra Çetinkaya, Tülay Güran, Erdal Kurnaz, Melikşah Keskin, Elif Sağsak, Senay Savaş Erdeve, Jenifer P Suntharalingham, Federica Buonocore, John Achermann, Zehra Aycan
International surveillance data suggests a worldwide epidemic of pediatric obesity regardless of geographic, socioeconomic, racial and ethnic factors. Reversing this epidemic of pediatric obesity will require recognition and understanding of the pathophysiology of the condition to enable us to develop novel therapies as well as taking measures to shift social attitudes and public policies at a global level. Proopiomelanocortin (POMC) deficiency is a rare monogenic disorder of early-onset obesity, which has increased our insight into the important role of the leptin-melanocortin pathway in energy balance...
July 24, 2017: Journal of Clinical Research in Pediatric Endocrinology
https://www.readbyqxmd.com/read/28739195/dizziness-symptom-type-prevalence-and-overlap-a-us-nationally-representative-survey
#4
Kevin A Kerber, Brian C Callaghan, Steven A Telian, William J Meurer, Lesli E Skolarus, Wendy Carender, James F Burke
BACKGROUND: The traditional approach to dizziness encourages providers to emphasize the type of dizziness. However, symptom types might substantially overlap in individual patients, thus limiting the clinical value of this approach. We aimed to describe the overlap of types of dizziness using a United States nationally representative sample. METHODS: The 2008 US National Health Interview Survey was examined for prevalence and overlap of types of dizziness. The data was also separately examined among people who otherwise had typical features of traditionally vertigo-based disorders (i...
July 21, 2017: American Journal of Medicine
https://www.readbyqxmd.com/read/28738331/future-perspectives-in-sleep-medicine
#5
Leh-Kiong Anne Huon, Christian Guilleminault
"Sleep Medicine" is now a specialty in its own right. Currently, there is increasing recognition of the very negative impact sleep disorders have on learning, education, safety, and quality of life. Technological advances will help us to break down diagnoses (e.g., narcolepsy has now been subdivided into types 1 and 2, depending upon the hypocretin levels in the spinal fluid) and to discover relationships to other bodily systems (e.g., type 1 narcolepsy potentially being an autoimmune disorder). The modern lifestyle of many, as characterized by a shortening of sleep periods, shift work, jet lag, and the need to be constantly available, means that advances in sleep medicine may result in a major understanding of more balanced "work-rest lifestyle" modifications...
2017: Advances in Oto-rhino-laryngology
https://www.readbyqxmd.com/read/28737524/female-athlete-triad
#6
Meredith B Loveless
PURPOSE OF REVIEW: The obstetrician/gynecologist (ob/gyn) may be the first provider to have the opportunity to recognize and diagnose female athlete triad. This review will help the ob/gyn to understand the female athlete triad and what is new on this topic, how to screen and diagnose the condition and the ob/gyn's role in treatment. RECENT FINDINGS: Female athlete triad, also known as relative energy deficiency in sports, involves an interrelationship among energy availability, menstrual function and low bone density...
July 21, 2017: Current Opinion in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28736564/characterization-of-an-animal-model-to-study-risk-factors-and-new-therapies-for-the-cardiorenal-syndrome-a-major-health-issue-in-our-aging-population
#7
Anja Verhulst, Ellen Neven, Patrick C D'Haese
BACKGROUND: The cardiorenal syndrome (CRS) is a major health problem in our aging population. The term was introduced to cover disorders of the kidneys and heart, whereby dysfunction of one organ may induce dysfunction of the other. As the natural history of the CRS is mostly slow, hence difficult to explore in clinical trials, adequate animal models combining cardiovascular and renal disease are required. Therefore, we developed and characterized a usable model for CRS type 4, i.e. chronic kidney disease (CKD) causing cardiac dysfunction...
June 2017: Cardiorenal Medicine
https://www.readbyqxmd.com/read/28736541/hallucinations-in-healthy-older-adults-an-overview-of-the-literature-and-perspectives-for-future-research
#8
REVIEW
Johanna C Badcock, Hedwige Dehon, Frank Larøi
KEY POINTS ➢ Studies suggest a substantial minority of healthy older adults have hallucinatory experiences, in line with existing evidence on hallucinations in other age groups, though it is still unclear if hallucination prevalence increases or declines with age in older cohorts.➢ Stigma attached to both hallucinations and ageing leads to considerable under-reporting of these experiences in healthy older adults and may negatively bias how professionals, family members, and the public respond.➢ Why and when hallucinations in healthy older adults remit, persist, or progress to other clinical disorders remains poorly understood...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28732066/inhibition-of-pulmonary-%C3%AE-carotene-15-15-oxygenase-expression-by-glucocorticoid-involves-ppar%C3%AE
#9
Xiaoming Gong, Raju Marisiddaiah, Lewis P Rubin
β-carotene 15,15'-oxygenase (BCO1) catalyzes the first step in the conversion of dietary provitamin A carotenoids to vitamin A. This enzyme is expressed in a variety of developing and adult tissues, suggesting that its activity may regulate local retinoid synthesis. Vitamin A and related compounds (retinoids) are critical regulators of lung epithelial development, integrity, and injury repair. A balance between the actions of retinoids and glucocorticoids (GCs) promotes normal lung development and, in particular, alveolarization...
2017: PloS One
https://www.readbyqxmd.com/read/28730881/comparison-of-jump-landing-protocols-with-biodex-balance-system-as-measures-of-dynamic-postural-stability-in-athletes
#10
Zarko Krkeljas
The objective of the study was to determine whether a relationship exists between the two common methods for assessing postural stability in athletes: the time-to-stabilisation (TTS) via force-plate and the Biodex Balance System (BBS). The conditions under which these measurements assess dynamic postural control may not provide sufficient feedback to practitioners. Fourty-four amateur soccer players with no history of musculoskeletal disorders volunteered for the study. Pearson correlation was used to compare the anterior-posterior (AP), medio-lateral (ML), and the overall stability indexes measured by BBS, with the corresponding parameters of TTS assessed via force plate...
July 21, 2017: Sports Biomechanics
https://www.readbyqxmd.com/read/28729849/nerve-decompression-and-restless-legs-syndrome-a-retrospective-analysis
#11
James C Anderson, Megan L Fritz, John-Michael Benson, Brian L Tracy
INTRODUCTION: Restless legs syndrome (RLS) is a prevalent sleep disorder affecting quality of life and is often comorbid with other neurological diseases, including peripheral neuropathy. The mechanisms related to RLS symptoms remain unclear, and treatment options are often aimed at symptom relief rather than etiology. RLS may present in distinct phenotypes often described as "primary" vs. "secondary" RLS. Secondary RLS is often associated with peripheral neuropathy. Nerve decompression surgery of the common and superficial fibular nerves is used to treat peripheral neuropathy...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28729440/the-transcription-factor-foxg1-promotes-optic-fissure-closure-in-the-mouse-by-suppressing-wnt8b-in-the-nasal-optic-stalk
#12
Rowena Smith, Yu-Ting Huang, Tian Tian, Dominika Vojtasova, Oscar Mesalles-Naranjo, Steven M Pollard, Thomas Pratt, David J Price, Vassiliki Fotaki
During vertebrate eye morphogenesis a transient fissure forms at its inferior part, known as the optic fissure. This will gradually close giving rise to a healthy, spherical optic cup. Failure of the optic fissure to close gives rise to an ocular disorder known as coloboma. During this developmental process Foxg1 is expressed in the optic neuroepithelium, with highest levels of expression in the nasal optic stalk. Foxg1-/- mutant mice have microphthalmic eyes with a large ventral coloboma. We found Wnt8b expression upregulated in the Foxg1-/- optic stalk and hypothesized that, similar to what is observed in telencephalic development, Foxg1 directs development of the optic neuroepithelium through transcriptional suppression of Wnt8b To test this, we generated Foxg1-/-;Wnt8b-/- double mutants of either sex and found that the morphology of the optic cup and stalk and the closure of the optic fissure were substantially rescued in these embryos...
July 20, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28724975/theoretical-study-of-superionic-phase-transition-in-li2s
#13
Sara Panahian Jand, Qian Zhang, Payam Kaghazchi
We have studied temperature-induced superionic phase transition in Li2S, which is one of the most promising Li-S battery cathode material. Concentration of ionic carriers at low and high temperature was evaluated from thermodynamics of defects (using density functional theory) and detailed balance condition (using ab initio molecular dynamics (AIMD)), respectively. Diffusion coefficients were also obtained using AIMD simulations. Calculated ionic conductivity shows that superionic phase transition occurs at T = 900 K, which is in agreement with reported experimental values...
July 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28724204/gait-and-balance-impairment-after-acute-methanol-poisoning
#14
Kamila Peterová, Hana Brožová, Jiří Klempíř, Irena Lišková, Ondřej Bezdíček, Petr Ridzoň, Manuela Vaněčková, Sergej Zakharov, Daniela Pelclová, Michal Miovský, Evžen Růžička
Neurological sequelae including gait impairment were reported in survivors after methanol intoxication; however, no systematic study has been published so far. We aimed to analyse gait and balance impairment in a group of Czech methanol poisoning survivors. We examined 43 patients (age 46±13 years) 2-8 months after methanol poisoning and 43 healthy controls. Investigations contained a shortened version of Falls Efficacy Scale (FES), clinical tests of gait and balance including Timed Up and Go test (TUG) and gait analysis using GaitRite(®) system, neurological and neuropsychological examination, brain imaging, EMG and tests of alcohol consumption...
July 19, 2017: Basic & Clinical Pharmacology & Toxicology
https://www.readbyqxmd.com/read/28723718/three-dimensional-head-mounted-gaming-task-procedure-maximizes-effects-of-vestibular-rehabilitation-in-unilateral-vestibular-hypofunction-a-randomized-controlled-pilot-trial
#15
Alessandro Micarelli, Andrea Viziano, Ivan Augimeri, Domenico Micarelli, Marco Alessandrini
Considering the emerging advantages related to virtual reality implementation in clinical rehabilitation, the aim of the present study was to discover possible (i) improvements achievable in unilateral vestibular hypofunction patients using a self-assessed head-mounted device (HMD)-based gaming procedure when combined with a classical vestibular rehabilitation protocol (HMD group) as compared with a group undergoing only vestibular rehabilitation and (ii) HMD procedure-related side effects. Therefore, 24 vestibular rehabilitation and 23-matched HMD unilateral vestibular hypofunction individuals simultaneously underwent a 4-week rehabilitation protocol...
July 18, 2017: International Journal of Rehabilitation Research. Revue Internationale de Recherches de Réadaptation
https://www.readbyqxmd.com/read/28722515/construction-of-a-plga-based-targeted-sirna-delivery-system-for-treatment-of-osteoporosis
#16
Deniz Sezlev Bilecen, Jose Carlos Rodriguez-Cabello, Hasan Uludag, Vasif Hasirci
Osteoporosis is a systemic skeletal disorder which occurs when the bone turnover balance is disrupted. With the identification of the genes involved in the pathogenesis of the disease, studies on development of new osteoporosis treatments has intensified. RNA interference (RNAi) mechanism uses short interfering RNA (siRNA) to knockdown disease related gene expression as a treatment approach. Targeting while protecting siRNA against hydrolysis by nucleases in vivo is, however, challenging. The maintenance of therapeutic plasma level is also hampered by the clearance of siRNA from the body...
July 19, 2017: Journal of Biomaterials Science. Polymer Edition
https://www.readbyqxmd.com/read/28722461/-disorders-of-water-and-electrolyte-metabolism-and-changes-in-acid-base-balance-in-patients-with-ascitic-liver-cirrhosis
#17
Halima Gottfriedová, Miroslava Horáčková, Milena Čáslavská, Julius Špičák, Otto Schück
In patients with advanced cirrhosis with ascites disorders of water and electrolyte metabolism are often present and they are associated with changes in acid-base balance. These changes can be very complicated, their diagnosis and treatment difficult. Dilutional hyponatremia is the most common disorder. Hyponatremia in these patients is associated with increased morbidity and mortality before and after liver transplantation. Other common disorders include hyperchloremic acidosis, hypokalemia, metabolic alkalosis, lactic acidosis, respiratory alkalosis...
2017: Casopís Lékar̆ů C̆eských
https://www.readbyqxmd.com/read/28721813/mechanisms-involved-in-the-increased-hemolysis-in-the-fetus-and-newborn
#18
Giuseppe Buonocore, Serafina Perrone, Rodolfo Bracci
BACKGROUND: The suicidal death of erythrocytes should be considered a possible cause of hemolysis and plasma bilirubin overload when there is no evidence of an immune-mediated hemolytic anemia, no consumptive red blood cell disorder, no morphologic or laboratory data to suggest a problem of the red cell membrane, and no evidence of a quantitative or qualitative defect in hemoglobin synthesis. OBJECTIVE: In neonatal period, xenobiotics, cytokines, osmotic shock, energy depletion, oxidative stress, and variation of temperature may induce an alteration of balance between damaging and protecting factors which can be followed by red cell death...
July 18, 2017: Current Pediatric Reviews
https://www.readbyqxmd.com/read/28721495/diversity-and-survival-of-artificial-lifeforms-under-sedimentation-and-random-motion
#19
Nicolas Glade, Olivier Bastien, Pascal Ballet
Cellular automata are often used to explore the numerous possible scenarios of what could have occurred at the origins of life and before, during the prebiotic ages, when very simple molecules started to assemble and organise into larger catalytic or informative structures, or to simulate ecosystems. Artificial self-maintained spatial structures emerge in cellular automata and are often used to represent molecules or living organisms. They converge generally towards homogeneous stationary soups of still-life creatures...
July 18, 2017: Theory in Biosciences, Theorie in Den Biowissenschaften
https://www.readbyqxmd.com/read/28719459/coagulation-management-in-patients-undergoing-neurosurgical-procedures
#20
Chiara Robba, Rita Bertuetti, Frank Rasulo, Alessando Bertuccio, Basil Matta
PURPOSE OF REVIEW: Management of coagulation in neurosurgical procedures is challenging. In this contest, it is imperative to avoid further intracranial bleeding. Perioperative bleeding can be associated with a number of factors, including anticoagulant drugs and coagulation status but is also linked to the characteristic and the site of the intracranial disorder. The aim of this review will be to focus primarily on the new evidence regarding the management of coagulation in patients undergoing craniotomy for neurosurgical procedures...
July 14, 2017: Current Opinion in Anaesthesiology
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