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https://www.readbyqxmd.com/read/28645175/perturbation-to-cholesterol-at-the-neuromuscular-junction-confers-botulinum-neurotoxin-a-sensitivity-to-neonatal-mice
#1
Baskaran Thyagarajan, Joseph G Potian, Joseph J McArdle, Padmamalini Baskaran
Botulinum neurotoxin A (BoNT/A) cleaves SNAP25 at the motor nerve terminals (MNT) and inhibits stimulus evoked acetylcholine release (SEAR). This causes skeletal muscle paralysis. However, younger neonatal mice (<P7; less than 7 days old) are resistant to the neuroparalytic effects of BoNT/A. That is, in vivo injection of BoNT/A at the innervations of Extensor digitorum longus (EDL) muscle in the hindlimbs inhibited the toe spread reflex within 24 hours following BoNT/A injection in adult mouse and in older (> P7) neonatal mice younger than 7 days-age remained unaffected by BoNT/A injection...
June 22, 2017: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/28645166/epidemiological-and-clinical-characteristics-of-children-and-adolescents-with-leprosy-admitted-over-16%C3%A2-years-at-a-rural-hospital-in-ethiopia-a-retrospective-analysis
#2
José M Ramos, Sonia Ortiz-Martínez, Deriba Lemma, Matheus M Petros, Carmen Ortiz-Martínez, Abraham Tesfamariam, Francisco Reyes, Isabel Belinchón
Aim: To analyse differences in children and adolescents aged ≤18 years admitted to the leprosy ward in a rural Ethiopian hospital >16 years. Methods: We retrospectively collected data from leprosy admission registry books on patients with leprosy who were admitted to a referral hospital from September 2000 to September 2016. Results: There were 2129 admissions for leprosy during the study period: 180 (8.4%) patients were s ≤ 18 years old...
June 22, 2017: Journal of Tropical Pediatrics
https://www.readbyqxmd.com/read/28645086/toddler-exposure-to-flame-retardant-chemicals-magnitude-health-concern-and-potential-risk-or-protective-factors-of-exposure-observational-studies-summarized-in-a-systematic-review
#3
REVIEW
Eva J Sugeng, Marijke de Cock, Linda J Schoonmade, Margot van de Bor
Endocrine disrupting flame retardant (FR) chemicals form a human health concern, that is investigated mostly from the perspective of adult- and early life exposure. No overview of studies on toddler exposure and health effects exist. However, toddlerhood is a critical developmental period and toddlers are at increased risk for exposure because of their age-specific behavior. This systematic review encompasses toddler FR exposure studies in three countries, associated health effects and potential environmental, demographic, or behavioral risk- or protective factors for toddler exposure...
June 14, 2017: Chemosphere
https://www.readbyqxmd.com/read/28644353/extraintestinal-manifestations-of-celiac-disease-effectiveness-of-the-gluten-free-diet
#4
Hilary Jericho, Naire Sansotta, Stefano Guandalini
OBJECTIVE: The aim of the study was to evaluate the effectiveness of the gluten-free diet (GFD) on extraintestinal symptoms in pediatric and adult celiac populations at the University of Chicago. METHODS: We conducted a retrospective chart review of the University of Chicago Celiac Center clinic charts from January 2002 to October 2014. Demographics, serologic testing, intestinal biopsies, and extraintestinal symptoms at presentation, 12, 24, and >24 months were recorded...
July 2017: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/28644146/association-between-fibrinogen-level-and-the-severity-of-coronary-stenosis-in-418-male-patients-with-myocardial-infarction-younger-than-35-years-old
#5
Xiong-Yi Gao, Bing-Yang Zhou, Min-Zhou Zhang, Xi Zhao, Ping Qing, Cheng-Gang Zhu, Na-Qiong Wu, Yuan-Lin Guo, Ying Gao, Xiao-Lin Li, Yao Wang, Geng Liu, Qian Dong, Li-Heng Guo, Jian-Jun Li
Fibrinogen (Fib) is a useful marker for predicting the severity of coronary artery disease (CAD) in adult population. However, whether Fib can be a predictor for the presence and severity of CAD in very young MI patients (≤35 years old) remains to be determined. A total of 418 males from 61,863 patients with MI who were under 35 years old were sequentially recruited in our study. The patients were divided into two main groups and three subgroups according to coronary angiograph and Gensini score (GS) system: no coronary artery stenosis (group A), the results of the coronary artery stenosis (group B); low GS, intermediate GS and high GS...
June 20, 2017: Oncotarget
https://www.readbyqxmd.com/read/28644072/clinicopathological-and-imaging-features-of-lipoastrocytoma-case-report
#6
Laxminadh Sivaraju, Saritha Aryan, Nandita Ghosal, Alangar S Hegde
Lipidized tumors of the central nervous system are very uncommon, with only a few cases described. We report a case of a 25-year-old woman with a tumor involving the left premotor area. She underwent gross total excision. Histologically, the tumor was composed of glial fibrillary acidic protein-positive glial cells with areas of lipidization. A diagnosis of lipoastrocytoma was rendered. At three-year follow-up she was doing well, supporting the presumed favorable prognosis of these uncommon tumors. Absence of xanthochromic appearance, mitotic activity, necrosis and poor reticulin activity are the differentiating features from the pleomorphic xanthoastrocytoma...
January 1, 2017: Neuroradiology Journal
https://www.readbyqxmd.com/read/28643917/estrogen-receptor-alpha-mediates-mandibular-condylar-cartilage-growth-in-male-mice
#7
J L Robinson, V Gupta, P Soria, E Clanaman, S Gurbarg, M Xu, J Chen, S Wadhwa
OBJECTIVES: In the appendicular skeleton, estrogen via ERα signalling has been shown to mediate endochondral growth plate fusion in both males and females. However, the role of ERα in mediating growth of the mandibular condylar cartilage is unknown. Thus, this study focuses on the characterization of the mandibular condylar cartilage phenotype in young and adult male ERαKO mice. SETTING: Columbia University Medical Center. MATERIAL AND METHODS: WT and ERαKO C57BL/6 male mice were sacrificed at 49 days or 9 months for phenotypic analysis...
June 2017: Orthodontics & Craniofacial Research
https://www.readbyqxmd.com/read/28643904/pth-1-34-induced-alterations-predispose-the-mandibular-condylar-cartilage-to-mineralization
#8
E H Dutra, M H O'Brien, T Gutierrez, A Lima, R Nanda, S Yadav
OBJECTIVE: To study the effects of intermittent parathyroid hormone (PTH [1-34]) on the mandibular condylar cartilage (MCC) and subchondral bone in adult female mice. MATERIALS AND METHODS: Twenty-two, 20-week-old female mice were used for in vivo experiments. The experimental mice (n=11) received daily intraperitoneal injections of PTH [1-34] for 3 weeks, while control mice (n=11) received intraperitoneal injections of 0.9% saline solution. Mice were euthanized and then micro-computed tomography (micro-CT); histology and immunostaining were carried out to assess the response...
June 2017: Orthodontics & Craniofacial Research
https://www.readbyqxmd.com/read/28643269/-doing-difference-and-fast-food-consumption-patterns-among-a-sample-of-white-and-african-american-emerging-adults
#9
Jeannette M Wade
Previous research has demonstrated that frequent consumption of fast food is linked to obesity and that trends in both are disparate across race and sex categories. Contextualizing race- and sex-related factors that structure fast food consumption in emerging adulthood is a much-needed contribution to social research. Specifically, this study uses the "doing difference" framework, to examine the frequency of fast food consumption in a sample of White and African American (18-25 years old). According to the framework, social inequalities are reproduced through dramaturgical performances of race, class, and gender...
June 22, 2017: Journal of Racial and Ethnic Health Disparities
https://www.readbyqxmd.com/read/28643111/thymic-carcinoma-initially-presented-with-geographic-destruction-of-scapula-in-a-child
#10
Won-Jong Bahk, An-Hi Lee, Eun-Deok Chang, Dong-Wook Min, Yong-Koo Kang
As the conventional histopathologic examination of thymic carcinoma (TC) is nonspecific, immunohistochemical studies along with correlative radiographic investigations are needed for its correct diagnosis. TC commonly occurs in the late 5th to early 6th decades of life but is extremely rare in childhood. It may be incidentally detected from chest radiographs taken as routine or for other reasons. However, most patients present with symptoms such as chest pain, cough, shortness of breath, dysphagia and hoarseness, which are directly attributable to the mediastinal mass...
June 23, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28642828/surgical-orthodontic-treatment-of-a-patient-affected-by-type-1-myotonic-dystrophy-steinert-syndrome
#11
Laura Cacucci, Beatrice Ricci, Maria Moretti, Giulio Gasparini, Sandro Pelo, Cristina Grippaudo
Myotonic dystrophy, or Steinert's disease, is the most common form of muscular dystrophy that occurs in adults. This multisystemic form involves the skeletal muscles but affects also the eye, the endocrine system, the central nervous system, and the cardiac system. The weakness of the facial muscles causes a characteristic facial appearance frequently associated with malocclusions. Young people with myotonic dystrophy, who also have severe malocclusions, have bad oral functions such as chewing, breathing, and phonation...
2017: Case Reports in Dentistry
https://www.readbyqxmd.com/read/28642479/a-genetically-enhanced-sterile-insect-technique-against-the-fruit-fly-bactrocera-dorsalis-hendel-by-feeding-adult-double-stranded-rnas
#12
Muhammad Waqar Ali, Wenping Zheng, Summar Sohail, Qingmei Li, Weiwei Zheng, Hongyu Zhang
RNAi based sterile insect technique (SIT) is an authentic insect management approach but requires proper target genes. During this study, spermless males were developed by interfering with germ cell differentiation and azoospermia related genes. Data demonstrates significant reductions in the target genes expressions (boul, zpg, dsx (M) , fzo and gas8) after oral dsRNAs administration. Knock down of target genes significantly affected the reproductive ability of males and reduced egg-hatching as compared to the control group...
June 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28642452/laparoscopic-treatment-of-colo-colic-intussusception-secondary-to-a-lipomatous-polyp
#13
Carlo V Feo, Daniele Marcello, Claudio F Feo
INTRODUCTION: Colo-colic intussusception is extremely rare in adults and few cases have been described secondary to a lypomatous polyp. CASE REPORT: We present the case of a 50-year old man with chronic abdominal pain who was diagnosed a colo-colic intussusception secondary to a lipoma of the left colon. The patient underwent laparoscopic resection of the splenic flexure without reduction, which occurred spontaneously after induction of the pneumoperitoneum, and final histology confirmed a submucosal lipoma with no evidence of malignancy...
June 12, 2017: Annali Italiani di Chirurgia
https://www.readbyqxmd.com/read/28642373/failure-of-falls-risk-screening-tools-to-predict-outcome-a-prospective-cohort-study
#14
Kristie J Harper, Annette D Barton, Glenn Arendts, Deborah G Edwards, Antonio C Petta, Antonio Celenza
OBJECTIVE: To compare the Falls Risk for Older Persons-Community Setting Screening Tool (FROP Com Screen) with the Two-Item Screening Tool in older adults presenting to the ED. METHODS: A prospective cohort study, comparing the efficacy of the two falls risk assessment tools by applying them simultaneously in a sample of hospital ED presentations. RESULTS: Two hundred and one patients over 65 years old were recruited. Thirty-six per cent reported falls in the 6-month follow-up period...
June 22, 2017: Emergency Medicine Journal: EMJ
https://www.readbyqxmd.com/read/28642188/costal-graft-as-a-support-for-bone-regeneration-after-mandibular-juvenile-ossifying-fibroma-resection-an-unusual-case-report
#15
F Fauvel, R Pace, F Grimaud, F Marion, P Corre, B Piot
Spontaneous regeneration of bone tissue after mandibular resection is rare in adults, although it does often take place in children. Periosteum conservation appears to play a major role in this healing process. We here report regarding a 5-year-old boy who exhibited a large mandibular trabecular juvenile ossifying fibroma. The lesion was treated by mandibulectomy, with careful preservation of the periosteal layer and immediate reconstruction with a costal graft by an intra-oral approach. Monitoring over the course of a year revealed spontaneous mandibular regeneration, and it allowed for a series of measurements of the graft to be made...
June 19, 2017: Journal of Stomatology, Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28642065/severe-and-resistant-hypertension-in-an-older-woman-with-claudication
#16
Puneet Gupta, Robert Hagberg, Electra Kaloudis, Anika Lucas, Parth Shah, William B White
Coarctation of the aorta is an uncommon cause of treatment-resistant hypertension in adults. It is typically detected and treated in infancy or childhood with surgical or endovascular procedures. Most cases of recurrence of coarctation after repair occur in childhood or early adulthood; recurrence in older persons (>70 years) has rarely been reported. A 73-year-old woman was referred to us for the management of treatment-resistant hypertension accompanied by symptoms of claudication and headaches, which had resulted in multiple emergency room visits...
June 1, 2017: Journal of the American Society of Hypertension: JASH
https://www.readbyqxmd.com/read/28641623/-analysis-of-clinical-characteristics-and-therapeutic-efficacy-in-61-adult-patients-with-acute-lymphoblastic-leukemia
#17
Xiao-Ping Zhang, Bao-An Chen, Zheng Ge, Ran Liu, Xiao-Yan Ma, Chong Gao
OBJECTIVE: To investigate the clinical characteristics and curative effect in 61 adult patients with acute lymphoblastic leukemia (ALL). METHODS: The clinical data of 61 patients (≥15 years old) with ALL enrolled from January 2010 to December 2014 were studied retrospectively. The relationship between clinical characteristics and curative effect was analyzed. The univariate and multivariate analyses related with the overall survival (OS) and disease free survival (DFS) were conducted by using the method of COX regression analysis...
June 2017: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/28641470/do-psychosocial-predictors-affect-the-following-days-cortisol-awakening-response-expanding-the-temporal-frame-with-which-to-explore-morning-cortisol
#18
Jeffrey Proulx, Daniel Klee, Barry S Oken
Much of the extant cortisol awakening response (CAR) literature posits that CAR is an anticipatory response to perceived demands later that same day. However, expanding and switching the temporal order of cortisol and psychosocial influences may motivate more flexible approaches to understanding the dynamic relationship between mind and body, including cumulative strain on the HPA axis. This study was novel because we used two models to explore the effects of one day's emotion regulation and cortisol levels on cortisol and CAR the following day in 100 mildly stressed adults aged 50 - 81 years old, which contrasts with the more common CAR-anticipatory-response design...
June 22, 2017: Stress: the International Journal on the Biology of Stress
https://www.readbyqxmd.com/read/28641208/an-associative-account-of-the-development-of-word-learning
#19
Vladimir M Sloutsky, Hyungwook Yim, Xin Yao, Simon Dennis
Word learning is a notoriously difficult induction problem because meaning is underdetermined by positive examples. How do children solve this problem? Some have argued that word learning is achieved by means of inference: young word learners rely on a number of assumptions that reduce the overall hypothesis space by favoring some meanings over others. However, these approaches have difficulty explaining how words are learned from conversations or text, without pointing or explicit instruction. In this research, we propose an associative mechanism that can account for such learning...
June 19, 2017: Cognitive Psychology
https://www.readbyqxmd.com/read/28641148/non-suicidal-self-injury-and-suicide-attempts-in-a-new-zealand-birth-cohort
#20
Daniel D L Coppersmith, Shyamala Nada-Raja, Annette L Beautrais
BACKGROUND: Non-suicidal self-injury (NSSI) and suicide attempts are related, but distinct behaviors. The primary aim of the current study was to identify factors that distinguish those with different lifetime histories of self-injury. A secondary aim was to test whether lifetime history of self-injury at age 26 predicted current suicide ideation at age 32. METHODS: Participants were 26 year olds from a large birth cohort with a lifetime history of no self-injury (n = 466), a lifetime history of NSSI (n = 191), or a lifetime history of NSSI and a suicide attempt (NSSI+SA; n = 52)...
June 15, 2017: Journal of Affective Disorders
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