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https://www.readbyqxmd.com/read/28728317/mycoplasma-pneumoniae-associated-hepatitis-without-lung-involvement
#1
Han Taek Jeong, Jae Young Oh, Jung Eun Song, Byung Seok Kim, Chang Hyeong Lee
Mycoplasma pneumoniae (M. pneumoniae) is a major cause of community acquired respiratory infections. And it also causes a number of extrapulmonary manifestations including cardiovascular, dermatological, musculoskeletal, and hematological systems. But, acute hepatitis without lung involvement is rare in adults. Here, we report a case of 32-year-old man who presented with fever, chilling, myalgia, and headache. Biochemical analysis showed severely impaired liver function and leukopenia. Laboratory tests and liver biopsy demonstrated a hepatocellular pattern of M...
July 25, 2017: Korean Journal of Gastroenterology, Taehan Sohwagi Hakhoe Chi
https://www.readbyqxmd.com/read/28728303/-enhancing-soft-tissue-reattachment-with-artificial-mesh-in-joint-endoprosthetic-reconstruction-for-bone-tumors
#2
J S Lin, R Chen, W Yan, D D Chen
Objective: To investigate the operative method and clinical application of the BARD(®) Mesh in enhancing joint stability and function of endoprosthetic reconstruction for bone tumors. Methods: From Jan 2013 to Jun 2015, the clinical data of 51 patients aged (44.75±23.18) years underwent wide resection of tumor and endoprosthetic reconstruction using the BARD(®) Mesh were collected. Among them, 27 were male and 24 were female. The surgical treatments received by these patients included 5 shoulder arthroplasties, 12 elbow replacements, 12 hip replacements and 32 knee replacements (including 24 femoral tumors and 8 tibial tumors)...
July 23, 2017: Zhonghua Zhong Liu za Zhi [Chinese Journal of Oncology]
https://www.readbyqxmd.com/read/28728261/-characteristics-of-the-joint-involvement-in-fibrodysplasia-ossificans-progressiva-and-follow-up
#3
J Zhu, Y Liu, Y Yang, J M Lai, G X Su, M Kang, S N Li, Z X Zhou, F Q Wu
Objective: To summarize the clinical data of 15 patients with fibrodysplasia ossificans progressiva (FOP), follow up and analyze the characteristics of the joint involvement in FOP. Method: From May 2005 to December 2016, fifteen FOP cases had been diagnosed in the Children's Hospital Capital Institute of Pediatrics. All medical records and follow-up data were collected and a retrospective analysis was made on the joint involvement in FOP. Pearson correlation analysis was used for data, P<0.05 for the difference was statistically significant...
July 2, 2017: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/28728258/-follow-up-and-genetic-study-of-43-chinese-children-with-type-%C3%A2-alexander-disease
#4
T T Ban, Y Wu, Z B Zhang, L L Zang, J M Wang, Y W Jiang
Objective: To identify the clinical and genetic characteristics in 43 Chinese children diagnosed with type Ⅰ Alexander disease (AxD). Method: Forty-three type Ⅰ AxD cases identified by glial fibrillary acidic protein (GFAP) gene mutations in Peking University First Hospital from 2005 to 2016 were followed up. The data of medical history, physical examination and magnetic resonance imaging (MRI) were collected. All these patients were followed up in December 2010, Febury 2012, June 2014 and January 2016, respectively...
July 2, 2017: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/28728022/loss-of-tmem106b-ameliorates-lysosomal-and-frontotemporal-dementia-related-phenotypes-in-progranulin-deficient-mice
#5
Zoe A Klein, Hideyuki Takahashi, Mengxiao Ma, Massimiliano Stagi, Melissa Zhou, TuKiet T Lam, Stephen M Strittmatter
Progranulin (GRN) and TMEM106B are associated with several common neurodegenerative disorders including frontotemporal lobar degeneration (FTLD). A TMEM106B variant modifies GRN-associated FTLD risk. However, their functional relationship in vivo and the mechanisms underlying the risk modification remain unclear. Here, using transcriptomic and proteomic analyses with Grn(-/-) and Tmem106b(-/-) mice, we show that, while multiple lysosomal enzymes are increased in Grn(-/-) brain at both transcriptional and protein levels, TMEM106B deficiency causes reduction in several lysosomal enzymes...
July 19, 2017: Neuron
https://www.readbyqxmd.com/read/28727928/vascular-senescence-and-ageing-a-role-for-the-meox-proteins-in-promoting-endothelial-dysfunction
#6
Josette Northcott, Michael Paul Czubryt, Jeffrey T Wigle
In the vascular system, ageing is accompanied by the accrual of senescent cells and is associated with an increased risk of vascular disease. Endothelial cell (EC) dysfunction is a hallmark of vascular disease and is characterized by decreased angiogenic potential, reduced nitric oxide bioavailability, impaired vasodilation, increased production of ROS and enhanced inflammation. In ECs, the major producer of nitric oxide is the endothelial nitric oxide synthase (eNOS) enzyme that is encoded by the NOS3 gene...
July 20, 2017: Canadian Journal of Physiology and Pharmacology
https://www.readbyqxmd.com/read/28727900/head-midline-position-for-preventing-the-occurrence-or-extension-of-germinal-matrix-intraventricular-hemorrhage-in-preterm-infants
#7
REVIEW
Olga Romantsik, Maria Grazia Calevo, Matteo Bruschettini
BACKGROUND: Preterm birth is known to constitute the major risk factor for development of germinal matrix-intraventricular hemorrhage (GM-IVH). Head position may affect cerebral hemodynamics and thus may be involved indirectly in development of GM-IVH. Turning the head toward one side may functionally occlude jugular venous drainage on the ipsilateral side while increasing intracranial pressure and cerebral blood volume. Thus, it has been suggested that cerebral venous pressure is reduced and hydrostatic brain drainage improved if the patient is in supine midline position with the bed tilted 30°...
July 20, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28727754/dysregulation-of-endothelial-colony-forming-cell-function-by-a-negative-feedback-loop-of-circulating-mir-146a-and-146b-in-cardiovascular-disease-patients
#8
Ting-Yu Chang, Wei-Chi Tsai, Tse-Shun Huang, Shu-Han Su, Chih-Young Chang, Hsiu-Yen Ma, Chun-Hsien Wu, Chih-Yung Yang, Chi-Hung Lin, Po-Hsun Huang, Cheng-Chung Cheng, Shu-Meng Cheng, Hsei-Wei Wang
Functional impairment of endothelial colony-forming cells (ECFCs), a specific cell lineage of endothelial progenitor cells (EPCs) is highly associated with the severity of coronary artery disease (CAD), the most common type of cardiovascular disease (CVD). Emerging evidence show that circulating microRNAs (miRNAs) in CAD patients' body fluid hold a great potential as biomarkers. However, our knowledge of the role of circulating miRNA in regulating the function of ECFCs and the progression of CAD is still in its infancy...
2017: PloS One
https://www.readbyqxmd.com/read/28727640/no-seasonal-changes-in-cognitive-functioning-among-high-school-football-athletes-implementation-of-a-novel-electrophysiological-measure-and-standard-clinical-measures
#9
Steven P Broglio, Richelle Williams, Ashley Rettmann, Brandon Moore, James T Eckner, Sean Meehan
OBJECTIVE: To evaluate neuroelectric and cognitive function relative to a season of football participation. Cognitive and neuroelectric function declines are hypothesized to be present in football athletes. DESIGN: Observational. SETTING: Athletic fields and research laboratory. PATIENTS (OR PARTICIPANTS): Seventy-seven high school athletes (15.9 + 0.9 years, 178.6 + 7.2 cm, 74.4 + 14.7 kg, and 0.8 + 0.8 self-reported concussions) participating in football (n = 46) and noncontact sports (n = 31)...
July 14, 2017: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
https://www.readbyqxmd.com/read/28727639/effects-of-12-week-resistance-exercise-on-electroencephalogram-patterns-and-cognitive-function-in-the-elderly-with-mild-cognitive-impairment-a-randomized-controlled-trial
#10
Soon-Gook Hong, June-Hong Kim, Tae-Won Jun
OBJECTIVE: To investigate the effects of a 12-week resistance exercise program with an elastic band on electroencephalogram (EEG) patterns and cognitive function in elderly patients with mild cognitive impairment (MCI). DESIGN: Randomized controlled trial. SETTING: Community center. PARTICIPANTS: Twenty-two subjects with MCI and 25 healthy volunteer subjects were randomly assigned to 1 of 4 groups: subjects with MCI who undertook the exercise program (MCI-EX; n = 10), an MCI control group (MCI-Con; n = 12), a healthy volunteer exercise group (NG-EX; n = 12), and a healthy volunteer control group (NG-Con; n = 13)...
July 14, 2017: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
https://www.readbyqxmd.com/read/28727479/extracellular-chloride-is-required-for-efficient-platelet-aggregation
#11
Kirk A Taylor, Darren G S Wilson, Matthew T Harper, Nicholas Pugh
Anion channels perform a diverse range of functions and have been implicated in ATP release, volume regulation, and phosphatidylserine exposure. Platelets have been shown to express several anion channels but their function is incompletely understood. Due to a paucity of specific pharmacological blockers, we investigated the effect of extracellular chloride substitution on platelet activation using aggregometry and flow cytometry. In the absence of extracellular chloride, we observed a modest reduction of the maximum aggregation response to thrombin or collagen-related peptide...
July 20, 2017: Platelets
https://www.readbyqxmd.com/read/28727234/kynurenine-a-tryptophan-metabolite-that-accumulates-with-age-induces-bone-loss
#12
Mona El Refaey, Meghan E McGee-Lawrence, Sadanand Fulzele, Eileen J Kennedy, Wendy B Bollag, Mohammed Elsalanty, Qing Zhong, Ke-Hong Ding, Nathaniel G Bendzunas, Xing-Ming Shi, Jianrui Xu, William D Hill, Maribeth H Johnson, Monte Hunter, Jessica L Pierce, Kanglun Yu, Mark W Hamrick, Carlos M Isales
Age-dependent bone loss occurs in humans and in several animal species, including rodents. The underlying causal mechanisms are probably multifactorial, although an age-associated increase in the generation of reactive oxygen species has been frequently implicated. We previously reported that aromatic amino acids function as antioxidants and are anabolic for bone and that they may potentially play a protective role in an aging environment. We hypothesized that upon oxidation the aromatic amino acids would not only lose their anabolic effects but also potentially become a catabolic byproduct...
July 20, 2017: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/28727159/children-with-heavy-prenatal-alcohol-exposure-exhibit-atypical-gait-characteristics
#13
Tenille C Taggart, Roger W Simmons, Jennifer D Thomas, Edward P Riley
BACKGROUND: Impaired motor function in children with histories of prenatal exposure to alcohol has been previously reported but, to date, no studies using quantitatively-based analyses have been performed to assess gait in these children. METHODS: Gait of children with (n = 18) or without (n = 26) prenatal alcohol exposure was assessed using an electronically instrumented walkway. Children completed blocks of trials traversing the walkway with different combinations of walking condition (increased, self-paced, and decreased cadence) and direction (forward and backward)...
July 20, 2017: Alcoholism, Clinical and Experimental Research
https://www.readbyqxmd.com/read/28727155/mucosal-associated-invariant-mait-cells-are-deficient-in-systemic-sclerosis
#14
Arsène Mekinian, Thibaut Mahevas, Mohamad Mohty, Vincent Jachiet, Sébastien Rivière, Olivier Fain, Béatrice Gaugler
OBJECTIVES: Systemic sclerosis (SSc) is an autoimmune disease, characterized by fibrosis of the skin and other organs, vascular impairment and deficient immune responses. Mucosal associated invariant T cells (MAIT) cells have been involved in various inflammatory and autoimmune diseases. The aim of this study was to determine the frequencies of MAIT cells in the blood of patients with systemic sclerosis (SSc), and to compare their distribution in the different types of SSc. PATIENTS AND METHODS: Blood samples from SSc patients and healthy controls were examined by flow cytometer to analyze the frequencies of MAIT and γδ T cells...
July 18, 2017: Scandinavian Journal of Immunology
https://www.readbyqxmd.com/read/28727115/the-microbiota-gut-brain-axis-as-a-key-regulator-of-neural-function-and-the-stress-response-implications-for-human-and-animal-health
#15
N C Wiley, T G Dinan, R P Ross, C Stanton, G Clarke, J F Cryan
The brain-gut-microbiota axis comprises an extensive communication network between the brain, the gut, and the microbiota residing there. Development of a diverse gut microbiota is vital for multiple features of behavior and physiology, as well as many fundamental aspects of brain structure and function. Appropriate early-life assembly of the gut microbiota is also believed to play a role in subsequent emotional and cognitive development. If the composition, diversity, or assembly of the gut microbiota is impaired, this impairment can have a negative impact on host health and lead to disorders such as obesity, diabetes, inflammatory diseases, and even potentially neuropsychiatric illnesses, including anxiety and depression...
July 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28727077/excess-of-dietary-montmorillonite-impairs-growth-performance-liver-function-and-antioxidant-capacity-in-starter-pigs
#16
H Y Zhao, X B Mao, B Yu, J He, P Zheng, J Yu, J Q Luo, Q Y Wang, D W Chen
Montmorillonite (MMT) is widely used as a mycotoxin adsorbent in animal feeds, but its safety remains unclear. This study was conducted to investigate the safety of MMT supplementation in diets fed to starter pigs. A total of 120 32-d-old piglets (initial weight, 8.0 ± 0.9 kg) were randomly allotted into dietary treatments with graded MMT levels (0 [FS 0], 0.5% [FS 0.5], 1.0% [FS 1.0], 2.5% [FS 2.5], and 5.0% [FS 5.0]) with 6 replicate pens per treatment and 4 pigs per pen. All diets were fed for 28 d. As the MMT level increased, ADG and G:F changed in a linear and quadratic manner, while ADFI was linearly decreased ( > 0...
July 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28727021/physiology-and-endocrinology-symposium-the-effects-of-poor-maternal-nutrition-during-gestation-on-offspring-postnatal-growth-and-metabolism
#17
M L Hoffman, S A Reed, S M Pillai, A K Jones, K K McFadden, S A Zinn, K E Govoni
Poor maternal nutrition during gestation has been linked to poor growth and development, metabolic dysfunction, impaired health, and reduced productivity of offspring in many species. Poor maternal nutrition can be defined as an excess or restriction of overall nutrients or specific macro- or micronutrients in the diet of the mother during gestation. Interestingly, there are several reports that both restricted- and over-feeding during gestation negatively affect offspring postnatal growth with reduced muscle and bone deposition, increased adipose accumulation, and metabolic dysregulation through reduced leptin and insulin sensitivity...
May 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28726749/ladder-shaped-ion-channel-ligands-current-state-of-knowledge
#18
REVIEW
Yuri B Shmukler, Denis A Nikishin
Ciguatoxins (CTX) and brevetoxins (BTX) are polycyclic ethereal compounds biosynthesized by the worldwide distributed planktonic and epibenthic dinoflagellates of Gambierdiscus and Karenia genera, correspondingly. Ciguatera, evoked by CTXs, is a type of ichthyosarcotoxism, which involves a variety of gastrointestinal and neurological symptoms, while BTXs cause so-called neurotoxic shellfish poisoning. Both types of toxins are reviewed together because of similar mechanisms of their action. These are the only molecules known to activate voltage-sensitive Na⁺-channels in mammals through a specific interaction with site 5 of its α-subunit and may compete for it, which results in an increase in neuronal excitability, neurotransmitter release and impairment of synaptic vesicle recycling...
July 20, 2017: Marine Drugs
https://www.readbyqxmd.com/read/28726641/a-plant-fungal-type-phosphoenolpyruvate-carboxykinase-located-in-the-parasite-mitochondrion-ensures-glucose-independent-survival-of-toxoplasma-gondii
#19
Richard Nitzsche, Özlem Günay-Esiyok, Maximilian Tischer, Vyacheslav Zagoriy, Nishith Gupta
Toxoplasma gondii is considered as one of the most successful intracellular pathogens, because it can reproduce in varied nutritional milieus, encountered in diverse host-cell types of essentially any warm-blooded organism. Our earlier work has demonstrated that the acute (tachyzoite) stage of T. gondii depends on cooperativity of glucose and glutamine catabolism to meet biosynthetic demands. Either of these two nutrients can sustain the parasite survival; however, what determines the metabolic plasticity has not been resolved yet...
July 18, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28726633/bmal1-function-in-skeletal-muscle-regulates-sleep
#20
J Christopher Ehlen, Allison J Brager, Julie Baggs, Lennisha Pinckney, Cloe L Gray, Jason P DeBruyne, Karyn A Esser, Joseph S Takahashi, Ketema N Paul
Sleep loss can severely impair the ability to perform, yet the ability to recover from sleep loss is not well understood. Sleep regulatory processes are assumed to lie exclusively within the brain mainly due to the strong behavioral manifestations of sleep. Whole-body knockout of the circadian clock gene Bmal1 in mice affects several aspects of sleep, however, the cells/tissues responsible are unknown. We found that restoring Bmal1 expression in the brains of Bmal1-knockout mice did not rescue Bmal1-dependent sleep phenotypes...
July 20, 2017: ELife
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