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Down's syndrome

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https://www.readbyqxmd.com/read/29149645/xylella-fastidiosa-induces-differential-expression-of-lignification-related-genes-and-lignin-accumulation-in-tolerant-olive-trees-cv-leccino
#1
Erika Sabella, Andrea Luvisi, Alessio Aprile, Carmine Negro, Marzia Vergine, Francesca Nicolì, Antonio Miceli, Luigi De Bellis
Recently, Xylella fastidiosa was reported in Italy, associated with the "Olive Quick Decline Syndrome". The cv. Leccino exhibits an evident tolerance with a slow disease progression compared with the other cultivars. Between the mechanisms proposed to explain the putative tolerance of some hosts to X. fastidiosa diseases, lignin deposition plays an important role. Analysis of phenolic compounds in healthy and infected Leccino and Cellina di Nardò leaves showed, in the two cultivars, a reduction of hydroxytyrosol glucoside (usually associated with drought and cold stress) and, only in Leccino, an increase of quinic acid, precursor of lignin...
November 10, 2017: Journal of Plant Physiology
https://www.readbyqxmd.com/read/29145918/baby-sign-but-not-spontaneous-gesture-predicts-later-vocabulary-in-children-with-down-syndrome-corrigendum
#2
Şeyda Özçalişkan, Lauren B Adamson, Nevena Dimitrova, Jhonelle Bailey, Lauren Schmuck
No abstract text is available yet for this article.
November 17, 2017: Journal of Child Language
https://www.readbyqxmd.com/read/29142768/a-rare-double-aneuploidy-case-down-klinefelter
#3
Sevcan Tug Bozdogan, Atil Bisgin
Down's syndrome has its own dysmorphic findings and is accompanied by mental retardation and hypotonia. Klinefelter's syndrome is a syndrome caused by a numerical abnormality that affects male physical and cognitive development. This case reports a unique finding of 48,XXY, + 21 and a current literature review. A 4-month-old male patient presented with typical clinical features of Down's syndrome with hypothyroidism, atrial septal defect, ventricular septal defect, and patent ductus arteriosus without any phenotypic signs of Klinefelter's syndrome...
December 2017: Journal of Pediatric Genetics
https://www.readbyqxmd.com/read/29141989/analysis-of-copy-number-variants-on-chromosome-21-in-down-syndrome-associated-congenital-heart-defects
#4
Benjamin L Rambo-Martin, Jennifer G Mulle, David J Cutler, Lora J H Bean, Tracie C Rosser, Kenneth J Dooley, Clifford Cua, George Capone, Cheryl L Maslen, Roger H Reeves, Stephanie L Sherman, Michael E Zwick
One in five people with Down syndrome (DS) are born with an atrioventricular septal defect (AVSD), an incidence 2,000 times higher than in the euploid population. The genetic loci that contribute to this risk are poorly understood. In this study, we tested two hypotheses: 1) individuals with DS carrying chromosome 21 copy number variants (CNVs) that interrupt exons may be protected from AVSD, because these CNVs return AVSD susceptibility loci back to disomy, and 2) individuals with DS carrying chromosome 21 genes spanned by microduplications are at greater risk for AVSD because these microduplications boost the dosage of AVSD susceptibility loci beyond a tolerable threshold...
November 15, 2017: G3: Genes—Genomes—Genetics
https://www.readbyqxmd.com/read/29140588/family-management-of-childhood-chronic-conditions-does-it-make-a-difference-if-the-child-has-an-intellectual-disability
#5
Marcia Van Riper, George J Knafl, Cecelia Roscigno, Kathleen A Knafl
The purpose of this analysis was to assess the applicability of the Family Management Measure (FaMM) to families in which there was a child with an intellectual disability versus a chronic condition. Drawing on data from 571 parents of children with a chronic physical condition and 539 parents of children with Down syndrome, we compared the two groups across the six FaMM scales. After accounting for the covariate effects of race, ethnicity, family income, and child age, we found significant differences in four of the six FaMM scales, with parents of children with Down syndrome reporting a significantly more positive view on the Condition Management Effort and View of Condition Impact scales and a significantly less positive view on the Child's Daily Life and Condition Management Ability scales than parents of children with a chronic physical condition...
November 15, 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/29137981/umbilical-cord-derived-mesenchymal-stem-cells-alleviated-inflammation-and-inhibited-apoptosis-in-interstitial-cystitis-via-akt-mtor-signaling-pathway
#6
Juncong Xie, Bolong Liu, Jialiang Chen, Yuancheng Xu, Hailun Zhan, Fei Yang, Wenbiao Li, Xiangfu Zhou
Interstitial cystitis (IC) is a bladder syndrome characterized by pelvic pain and urinary frequency without infection or other identifiable pathology. There are no effective treatments to cure IC. This study investigated the effects of human umbilical cord-derived mesenchymal stem cells (UC-MSCs) injection on IC rat model. Furthermore, we used a coculture system to find the possible molecular mechanism on the human uroepithelial cells (SV-HUC-1), which was the cell model of IC. A rat model of IC was established via systemic injection with cyclophosphamide (CYP) and a cell model of IC was induced by being exposed to tumor necrosis factor (TNF)-α (10 ng/ml)...
November 11, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29137441/aberrations-in-circulating-inflammatory-cytokine-levels-in-patients-with-down-syndrome-a-meta-analysis
#7
Yan Zhang, Meng Che, Jing Yuan, Yun Yu, Chang Cao, Xiao-Yan Qin, Yong Cheng
Evidence suggests that immune system alterations in Down syndrome (DS) may be early events that drive neuropathological and cognitive changes of Alzheimer's disease. The primary objective of this meta-analysis was to investigate whether there is an abnormal cytokine profile in DS patients when compared with healthy control (HC) subjects. A systematic search of Pubmed and Web of Science identified 19 studies with 957 DS patients and 541 HC subjects for this meta-analysis. Random effects meta-analysis demonstrated that patients with DS had significantly increased circulating tumor necrosis factor-α (Hedges' g = 1...
October 13, 2017: Oncotarget
https://www.readbyqxmd.com/read/29135488/endocrine-manifestations-of-down-syndrome
#8
Rachel Whooten, Jessica Schmitt, Alison Schwartz
PURPOSE OF REVIEW: To summarize the recent developments in endocrine disorders associated with Down syndrome. RECENT FINDINGS: Current research regarding bone health and Down syndrome continues to show an increased prevalence of low bone mass and highlights the importance of considering short stature when interpreting dual energy x-ray absorptiometry. The underlying cause of low bone density is an area of active research and will shape treatment and preventive measures...
November 11, 2017: Current Opinion in Endocrinology, Diabetes, and Obesity
https://www.readbyqxmd.com/read/29133973/duane-retraction-syndrome-causes-effects-and-management-strategies
#9
REVIEW
Ramesh Kekunnaya, Mithila Negalur
Duane retraction syndrome (DRS) is a congenital eye movement anomaly characterized by variable horizontal duction deficits, with narrowing of the palpebral fissure and globe retraction on attempted adduction, occasionally accompanied by upshoot or down-shoot. The etiopathogenesis of this condition can be explained by a spectrum of mechanical, innervational, neurologic and genetic abnormalities occurring independently or which influence each other giving rise to patterns of clinical presentations along with a complex set of ocular and systemic anomalies...
2017: Clinical Ophthalmology
https://www.readbyqxmd.com/read/29133340/effects-of-hawthorn-crataegus-pentagyna-leaf-extract-on-electrophysiologic-properties-of-cardiomyocytes-derived-from-human-cardiac-arrhythmia-specific-induced-pluripotent-stem-cells
#10
Sara Pahlavan, Marziyeh Shalchi Tousi, Mahdi Ayyari, Abolfazl Alirezalu, Hassan Ansari, Tomo Saric, Hossein Baharvand
Cardiac arrhythmias are major life-threatening conditions. The landmark discovery of induced pluripotent stem cells has provided a promising in vitro system for modeling hereditary cardiac arrhythmias as well as drug development and toxicity testing. Nowadays, nutraceuticals are frequently used as supplements for cardiovascular therapy. Here we studied the cardiac effects of hawthorn (Crataegus pentagyna) leaf extract using cardiomyocytes (CMs) differentiated from healthy human embryonic stem cells, long QT syndrome type 2 (LQTS2), and catecholaminergic polymorphic ventricular tachycardia type 1 (CPVT1) patient-specific induced pluripotent stem cells...
November 13, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/29133069/relaxin-2-connecting-peptide-pro-rlx2-levels-in-second-trimester-serum-samples-to-predict-preeclampsia
#11
Miriam Rehfeldt, Elizabeth Eklund, Joachim Struck, Andrea Sparwasser, Barbara O'Brien, Glenn E Palomaki, Josef Köhrle, Andreas Bergmann, Geralyn Lambert-Messerlian
OBJECTIVES: Preeclampsia is a serious complication of pregnancy, threatening fetal and maternal health. The aim of our study is to examine the association between preeclampsia and the connecting peptide of the pregnancy hormone relaxin (pro-RLX2) as a potential new biochemical marker. STUDY DESIGN: This is a nested case/control study derived from the cohort of pregnancies delivering at Women & Infants Hospital. Cases were identified at a clinic or by hospital codes, and individually confirmed by record review...
November 7, 2017: Pregnancy Hypertension
https://www.readbyqxmd.com/read/29132461/-clinical-features-of-rubinstein-taybi-syndrome-and-novel-mutation-in-the-crebbp-gene-an-analysis-of-one-case
#12
Yuan Li, Shan He, Hong-Ling Zhu
The patient was a girl aged 3 years and 8 months with normal body length and body weight at birth. The girl had feeding difficulty after birth. Her height, body weight, and head circumference were below the 3rd percentile. She had intellectual disability and an unusual facies manifesting as arched shaggy eyebrows, down-slanting palpebral fissures, and broad nasal bridge, but had no a beaked nose, broad thumbs, or big toes. These clinical manifestations were basically consistent with Rubinstein-Taybi syndrome (RSTS)...
November 2017: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
https://www.readbyqxmd.com/read/29132333/oestrogen-receptor-beta-isoform-expression-in-sporadic-colorectal-cancer-familial-adenomatous-polyposis-and-progressive-stages-of-colorectal-cancer
#13
Paulo Roberto Stevanato Filho, Samuel Aguiar Júnior, Maria Dirlei Begnami, Hellen Kuasne, Ranyell Matheus Spencer, Wilson Toshihiko Nakagawa, Tiago Santoro Bezerra, Bruna Catin Kupper, Renata Maymi Takahashi, Mateus Barros Filho, Silvia Regina Rogatto, Ademar Lopes
BACKGROUND: Among the sex hormones, oestrogen may play a role in colorectal cancer, particularly in conjunction with oestrogen receptor-β (ERβ). The expression of ERβ isoform variants and their correlations with familial adenomatous polyposis (FAP) syndrome and sporadic colorectal carcinomas are poorly described. METHODS: This study aimed to investigate the expression levels of the ERβ1, ERβ2, ERβ4 and ERβ5 isoform variants using quantitative RT-PCR (921 analyses) in FAP, normal mucosa, adenomatous polyps and sporadic colorectal carcinomas...
November 13, 2017: BMC Cancer
https://www.readbyqxmd.com/read/29132167/smoldering-development-of-acute-megakaryoblastic-leukemia-with-clonal-evolution-in-an-infant-without-down-syndrome
#14
Eva Schmidt, Ute Fischer, Wolfgang Biskup, Claudia Haferlach, Roland Meisel, Michaela Kuhlen, Arndt Borkhardt
No abstract text is available yet for this article.
November 2017: Klinische Pädiatrie
https://www.readbyqxmd.com/read/29130768/screening-of-six-polymorphisms-related-with-folate-metabolism-in-parents-of-individuals-with-down-syndrome
#15
Marly Balarin, Mariângela Cintra, Fernanda Cordeiro, Lucila Naves, Roseane Silva-Grecco
OBJECTIVE: The study aim to investigate MTHFR C677T, MTHFR A1298C, RFC1 A80G, MTR A2756G, CBS 844ins68, MTRR A66G polymorphisms in Down syndrome (DS) parents. METHODS: Polymorphisms were evaluated in 35 mothers and 24 fathers of individuals with free trisomy of chromosome 21 confirmed by karyotype. The control group included 26 mothers and 26 fathers who had no children with DS. The molecular analysis was performed by Polymerase Chain Reaction and Restriction Fragment Length Polymorphism (PCR-RFLP) (Reaction Chain Polymerase Restriction Fragment Length Polymorphism) or Polymerase Chain Reaction (PCR)...
November 12, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/29130597/co-occurring-medical-conditions-in-adults-with-down-syndrome-a-systematic-review-toward-the-development-of-health-care-guidelines
#16
REVIEW
George T Capone, Brian Chicoine, Peter Bulova, Mary Stephens, Sarah Hart, Blythe Crissman, Andrea Videlefsky, Katherine Myers, Nancy Roizen, Anna Esbensen, Moya Peterson, Stephanie Santoro, Jason Woodward, Barry Martin, David Smith
Adults with Down syndrome (DS) represent a unique population who are in need of clinical guidelines to address their medical care. The United States Preventive Service Task Force (USPSTF) has developed criteria for prioritizing conditions of public health importance with the potential for providing screening recommendations to improve clinical care. The quality of existing evidence needed to inform clinical guidelines has not been previously reviewed. Using the National Library of Medicine (NLM) database PubMed, we first identified 18 peer reviewed articles that addressed co-occurring medical conditions in adults with DS...
November 12, 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/29129325/protracted-febrile-myalgia-syndrome-treated-with-pulse-of-corticosteroids
#17
Eran Rom, Gil Amarilyo, Yoel Levinski, Efraim Bilavsky, Ori Goldberg, Jacob Amir, Liora Harel
OBJECTIVE: This study describes our 5-year experience treating protracted febrile myalgia syndrome (PFMS) with pulsed doses of corticosteroids. METHODS: Eight patients with PFMS who received pulse corticosteroid therapy were identified from the electronic database of a tertiary pediatric medical center (2011-2016). Their clinical and laboratory data were collected. Differences in continuous variables between hospital admission and discharge were analyzed using Wilcoxon's matched pairs test...
October 12, 2017: Seminars in Arthritis and Rheumatism
https://www.readbyqxmd.com/read/29129311/speech-disfluencies-in-children-with-down-syndrome
#18
Kurt Eggers, Sabine Van Eerdenbrugh
PURPOSE: Speech and language development in individuals with Down syndrome is often delayed and/or disordered and speech disfluencies appear to be more common. These disfluencies have been labeled over time as stuttering, cluttering or both. FINDINGS: were usually generated from studies with adults or a mixed age group, quite often using different methodologies, making it difficult to compare findings. Therefore, the purpose of this study was to analyze and describe the speech disfluencies of a group, only consisting of children with Down Syndrome between 3 and 13 years of age...
November 8, 2017: Journal of Communication Disorders
https://www.readbyqxmd.com/read/29128905/down-syndrome-ipsc-derived-astrocytes-impair-neuronal-synaptogenesis-and-the-mtor-pathway-in-vitro
#19
Bruno H S Araujo, Carolini Kaid, Janaina S De Souza, Sérgio Gomes da Silva, Ernesto Goulart, Luiz C J Caires, Camila M Musso, Laila B Torres, Adriano Ferrasa, Roberto Herai, Mayana Zatz, Oswaldo K Okamoto, Esper A Cavalheiro
Several methods have been used to study the neuropathogenesis of Down syndrome (DS), such as mouse aneuploidies, post mortem human brains, and in vitro cell culture of neural progenitor cells. More recently, induced pluripotent stem cell (iPSC) technology has offered new approaches in investigation, providing a valuable tool for studying specific cell types affected by DS, especially neurons and astrocytes. Here, we investigated the role of astrocytes in DS developmental disease and the impact of the astrocyte secretome in neuron mTOR signaling and synapse formation using iPSC derived from DS and wild-type (WT) subjects...
November 11, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/29128494/the-shrimp-hormone-receptor-acts-as-an-anti-apoptosis-and-anti-inflammatory-factor-in-innate-immunity
#20
Zhi Wang, Baozhen Sun, Fei Zhu
Previously, we found that the expression of several genes, including HR, varied in Drosophila melanogaster after white spot syndrome virus (WSSV) infection. In this present study, we further investigated the role of HR in Kuruma shrimp, Marsupenaeus japonicus and determined its anti-apoptosis and anti-inflammation role in the innate immune system. We successfully identified a partial sequence (866 bp in length) of the M. japonicus hormone receptor ligand binding domain (mjHR_LBD/mjHR). The 5' end of mjHR was successfully obtained; the open reading frame (ORF) ran from 33 to 701 bp, and encoded a protein containing 222 amino acids...
November 8, 2017: Fish & Shellfish Immunology
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