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https://www.readbyqxmd.com/read/29221819/cerebellar-alterations-in-a-model-of-down-syndrome-the-role-of-the-dyrk1a-gene
#1
Susana García-Cerro, Verónica Vidal, Sara Lantigua, Maria Teresa Berciano, Miguel Lafarga, Pedro Ramos-Cabrer, Daniel Padro, Noemí Rueda, Carmen Martínez-Cué
Down syndrome (DS) is characterized by a marked reduction in the size of the brain and cerebellum. These changes play an important role in the motor alterations and cognitive disabilities observed in this condition. The Ts65Dn (TS) mouse, the most commonly used model of DS, reflects many DS phenotypes, including alterations in cerebellar morphology. One of the genes that is overexpressed in both individuals with DS and TS mice is DYRK1A/Dyrk1A (dual-specificity tyrosine-(Y)-phosphorylation regulated kinase 1A), which has been implicated in the altered cerebellar structural and functional phenotypes observed in both populations...
December 5, 2017: Neurobiology of Disease
https://www.readbyqxmd.com/read/29219631/tourette-syndrome-and-other-chronic-tic-disorders-an-update-on-clinical-management
#2
Davide Martino, Tamara M Pringsheim
The management of Tourette syndrome (TS) and other chronic tic disorders occurs in multiple stages and begins with comprehensive assessment and complex psychoeducation. Behavioral and pharmacological interventions (second stage) are needed when tics cause physical or psychosocial impairment. Deep brain stimulation surgery or experimental therapies represent the third stage. Areas covered: Discussed are recent advances in assessment and therapy of chronic tic disorders, encompassing the three stages of intervention, with the addition of experimental, non-invasive brain stimulation strategies...
December 8, 2017: Expert Review of Neurotherapeutics
https://www.readbyqxmd.com/read/29215870/investigation-of-a-structural-phase-transition-and-magnetic-structure-of-na2bafe-vo4-2-a-triangular-magnetic-lattice-with-a-ferromagnetic-ground-state
#3
Liurukara D Sanjeewa, Vasile O Garlea, Michael A McGuire, Matthias Frontzek, Colin D McMillen, Kyle Fulle, Joseph W Kolis
The structural and magnetic properties of a glaserite-type Na2BaFe(VO4)2 compound, featuring a triangular magnetic lattice of Fe2+ (S = 2), are reported. Temperature dependent X-ray single crystal studies indicate that at room temperature the system adopts a trigonal P3̅m1 structure and undergoes a structural phase transition to a C2/c monoclinic phase slightly below room temperature (Ts = 288 K). This structural transition involves a tilting of Fe-O-V bond angles and strongly influences the magnetic correlation within the Fe triangular lattice...
December 7, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/29214996/the-role-of-cdx2-as-a-lineage-specific-transcriptional-repressor-for-pluripotent-network-during-the-first-developmental-cell-lineage-segregation
#4
Daosheng Huang, Guoji Guo, Ping Yuan, Amy Ralston, Lingang Sun, Mikael Huss, Tapan Mistri, Luca Pinello, Huck Hui Ng, Guocheng Yuan, Junfeng Ji, Janet Rossant, Paul Robson, Xiaoping Han
The first cellular differentiation event in mouse development leads to the formation of the blastocyst consisting of the inner cell mass (ICM) and trophectoderm (TE). The transcription factor CDX2 is required for proper TE specification, where it promotes expression of TE genes, and represses expression of Pou5f1 (OCT4). However its downstream network in the developing embryo is not fully characterized. Here, we performed high-throughput single embryo qPCR analysis in Cdx2 null embryos to identify CDX2-regulated targets in vivo...
December 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29212161/colonization-mortality-and-host-cytokines-response-to-enterohemorrhagic-escherichia-coli-in-rabbits
#5
Mengjiao Guo, Wenhao Yang, Fahao Wu, Guangen Hao, Rong Li, Xinyu Wang, Liangmeng Wei, Tongjie Chai
The major virulence factor of enterohemorrhagic Escherichia coli in infections is its ability to cause attaching and effacing lesions in enterocytes, as well as to produce Shiga toxins. To clarify the pathogenic mechanism and host innate immune responses of enterohemorrhagic Escherichia coli in rabbits, experimental infections with TS and MY strains were conducted. Among the results, although the MY strain's pathogenicity was stronger than the TS, typical symptoms were observed in both groups of bacterial-infected rabbits...
November 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/29211510/forced-desynchronization-model-for-a-diurnal-primate
#6
Crhistiane A Silva, Laís I M Melo, Alina R Pires, Jordana C Barbalho, Andreia V Melo, Diego A C Fernandes, Everly B Oliveira, Carolina V M Azevedo, Trinitat Cambras, Antoni Díez-Noguera, John Fontenele-Araujo
The circadian system is organized in a hierarchy of multiple oscillators, with the suprachiasmatic nucleus (SCN) as the master oscillator in mammals. The SCN is formed by a group of coupled cell oscillators. Knowledge of this coupling mechanism is essential to understanding entrainment and the expression of circadian rhythms. Some authors suggest that light-dark (LD) cycles with periods near the limit of entrainment may be good models for promoting internal desynchronization, providing knowledge about the coupling mechanism...
December 6, 2017: Chronobiology International
https://www.readbyqxmd.com/read/29211295/phase-2-study-of-treatment-selection-based-on-tumor-thymidylate-synthase-expression-in-previously-untreated-patients-with-metastatic-colorectal-cancer-a-trial-of-the-ecog-acrin-cancer-research-group-e4203
#7
Neal J Meropol, Yang Feng, Jean L Grem, Mary F Mulcahy, Paul J Catalano, John S Kauh, Michael J Hall, Joel N Saltzman, Thomas J George, Jeffrey Zangmeister, Elena G Chiorean, Puneet S Cheema, Peter J O'Dwyer, Al B Benson
BACKGROUND: The authors hypothesized that patients with metastatic colorectal cancer (mCRC) who had tumors with low thymidylate synthase (TS-L) expression would have a higher response rate to combined 5-fluorouracil, leucovorin, and oxaliplatin (FOLFOX) plus bevacizumab (FOLFOX/Bev) than those with high TS (TS-H) expression and that combined irinotecan and oxaliplatin (IROX) plus bevacizumab (IROX/Bev) would be more effective than FOLFOX/Bev in those with TS-H tumors. METHODS: TS protein expression was determined in mCRC tissue...
December 6, 2017: Cancer
https://www.readbyqxmd.com/read/29210591/duplicate-type-and-screen-testing-waste-in-the-clinical-laboratory
#8
Margaret L Compton, Penny C Szklarski, Garrett S Booth
CONTEXT: - In the United States, approximately 65 billion dollars is spent per year on clinical laboratory testing, of which 20% to 30% of all testing is deemed inappropriate. There have been multiple studies in the field of transfusion medicine regarding evidence-based transfusion practices, but limited data exist regarding inappropriate pretransfusion testing and its financial and clinical implications. OBJECTIVE: - To assess duplicative testing practices in the transfusion medicine service...
December 6, 2017: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/29208955/the-interdomain-flexible-linker-of-the-polypeptide-galnac-transferases-dictates-their-long-range-glycosylation-preferences
#9
Matilde de Las Rivas, Erandi Lira-Navarrete, Earnest James Paul Daniel, Ismael Compañón, Helena Coelho, Ana Diniz, Jesús Jiménez-Barbero, Jesús M Peregrina, Henrik Clausen, Francisco Corzana, Filipa Marcelo, Gonzalo Jiménez-Osés, Thomas A Gerken, Ramon Hurtado-Guerrero
The polypeptide GalNAc-transferases (GalNAc-Ts), that initiate mucin-type O-glycosylation, consist of a catalytic and a lectin domain connected by a flexible linker. In addition to recognizing polypeptide sequence, the GalNAc-Ts exhibit unique long-range N- and/or C-terminal prior glycosylation (GalNAc-O-Ser/Thr) preferences modulated by the lectin domain. Here we report studies on GalNAc-T4 that reveal the origins of its unique N-terminal long-range glycopeptide specificity, which is the opposite of GalNAc-T2...
December 5, 2017: Nature Communications
https://www.readbyqxmd.com/read/29207039/effective-component-of-salvia%C3%A2-miltiorrhiza-in-promoting-cardiomyogenic-differentiation-of-human-placenta%C3%A2-derived-mesenchymal-stem-cells
#10
Kun Li, Jieqiong Song, Qian Zhao, Bo Wang, Yunli Zhang, Xuezhe Wang, Tiantian Tang, Shizheng Li
Our previous study indicated that Salvia miltiorrhiza (SM) induced human placenta‑derived mesenchymal stem cells (hPDMSCs) to differentiate into cardiomyocytes, however, the effective component of SM in promoting cardiomyogenic differentiation remained to be elucidated. In the present study, the most commonly examined components of SM, including danshensu, salvianolic acid B, protocatechuic aldehyde, tanshinone I (TS I), TS IIA and cryptotanshinone, were used to determine the effective components of SM in promoting cardiomyogenic differentiation...
November 28, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/29205204/mthfr-ts-and-xrcc1-genetic-variants-may-affect-survival-in-patients-with-myelodysplastic-syndromes-treated-with-supportive-care-or-azacitidine
#11
G Visani, F Loscocco, A Ruzzo, S Galimberti, F Graziano, M T Voso, E Giacomini, C Finelli, E Ciabatti, E Fabiani, S Barulli, A Volpe, D Magro, P Piccaluga, F Fuligni, M Vignetti, P Fazi, A Piciocchi, E Gabucci, M Rocchi, M Magnani, A Isidori
We evaluated the impact of genomic polymorphisms in folate-metabolizing, DNA synthesis and DNA repair enzymes on the clinical outcome of 108 patients with myelodysplastic syndromes (MDS) receiving best supportive care (BSC) or azacitidine. A statistically significant association between methylenetetrahydrofolate reductase (MTHFR) 677T/T, thymidylate synthase (TS) 5'-untranslated region (UTR) 3RG, TS 3'-UTR -6 bp/-6 bp, XRCC1 399G/G genotypes and short survival was found in patients receiving BSC by multivariate analysis (P<0...
December 5, 2017: Pharmacogenomics Journal
https://www.readbyqxmd.com/read/29204038/venous-sinus-stenting-using-transcranial-access-for-the-treatment-of-idiopathic-intracranial-hypertension-in-a-pediatric-patient
#12
Thomas J Buell, Robert M Starke, Dale Ding, Harry R Hixson, Daniel M S Raper, Ching-Jen Chen, Kenneth C Liu
A 4-year-old male with headaches, papilledema, intracranial hypertension, and bilateral transverse sinus (TS) stenosis underwent attempted percutaneous placement of a right TS stent. Stent deployment was not technically feasible due to the stiffness of the stent and tortuosity of the patient's jugular bulb. Therefore, the patient underwent hybrid endovascular stenting of the right TS using neuronavigation and direct access of the TS following a single burr hole craniectomy. Two Express 8 mm × 17 mm balloon-mounted stents were deployed into the right TS, which resulted in obliteration of the preexisting trans-stenosis pressure gradient and decreased intracranial parenchymal pressure as monitored through an intracranial pressure bolt...
October 2017: Journal of Neurosciences in Rural Practice
https://www.readbyqxmd.com/read/29203755/churg-strauss-syndrome-a-case-report
#13
Vyacheslav М Zhdan, Yevdokiia М Kitura, Oksana Ye Kitura, Maryna Yu Babanina, Maksym V Tkachenko, Volodymyr G Lebid
A clinical case of Churg-Strauss syndrome has been reported on the 53-year-old female patient Ts. with bronchial asthma and allergic rhinitis. The main clinical signs and syndromes depending on the stage of the disease are presented, as well as therapeutic treatment of patients with this disease.
2017: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/29203553/the-new-snmmi-ts-strategic-plan-establishing-a-firm-foundation-for-the-future
#14
Kathleen M Krisak
No abstract text is available yet for this article.
December 2017: Journal of Nuclear Medicine Technology
https://www.readbyqxmd.com/read/29201805/porcelain-gallbladder
#15
Apoorv Goel, Ayush Agarwal, Shalabh Gupta, Tripta S Bhagat, Gaurav Kumar, Atul K Gupta
Porcelain gallbladder or calcified gallbladder is a rare entity and is considered as the end stage of chronic cholecystitis. This disease is rarely diagnosed preoperatively and usually mimics carcinoma gallbladder. Hereby, we present a rare and interesting case of porcelain gallbladder that was diagnosed preoperatively and managed by cholecystectomy. How to cite this article: Goel A, Agarwal A, Gupta S, Bhagat TS, Kumar G, Gupta AK. Porcelain Gallbladder. Euroasian J Hepato-Gastroenterol 2017;7(2):181-182.
July 2017: Euroasian Journal of Hepato-Gastroenterology
https://www.readbyqxmd.com/read/29201799/hemochromatosis-gene-polymorphism-as-a-predictor-of-sustained-virological-response-to-antiviral-treatment-in-egyptian-chronic-hepatitis-c-patients
#16
Mai I Mehrez, Dina Sa Fattah, Naglaa Aa Azeem, Mohamed A Saleh, Khadiga M Mostafa
Aim: The aim of this article is to assess HFE C282Y gene mutations as a predictor of sustained virological response (SVR) to anti-hepatitis C virus (HCV) treatment in Egyptian patients. Materials and methods: One hundred and forty chronic hepatitis C (CHC) patients were divided into two groups: 70 patients achieved SVR and 70 patients were nonresponders (NRs). All patients were subjected to quantitative polymerase chain reaction (PCR) at baseline, 12 and 24 weeks after therapy commencement...
July 2017: Euroasian Journal of Hepato-Gastroenterology
https://www.readbyqxmd.com/read/29200955/evaluating-the-prognostic-value-of-ercc1-and-thymidylate-synthase-expression-and-the-epidermal-growth-factor-receptor-mutation-status-in-adenocarcinoma-non-small-cell-lung-cancer
#17
Chang-Sheng Lin, Tu-Chen Liu, Ji-Ching Lai, Shun-Fa Yang, Thomas Chang-Yao Tsao
The present study evaluated the prognostic value of the epidermal growth factor receptor (EGFR) mutation status, and excision repair cross-complementation group 1 (ERCC1) and thymidylate synthase (TS) expression following intercalated tyrosine kinase inhibitor (TKI) therapy and platinum- and pemetrexed-based chemotherapies (subsequent second-line treatment) for patients with adenocarcinoma non-small-cell lung cancer (AC-NSCLC). In total, 131 patients with AC-NSCLC were enrolled. The EGFR mutation status and ERCC1 and TS expression were evaluated through direct DNA sequencing and immunohistochemical analyses, respectively...
2017: International Journal of Medical Sciences
https://www.readbyqxmd.com/read/29200321/two-new-insertion-deletion-variants-of-the-pitx2-gene-and-their-effects-on-growth-traits-in-sheep
#18
Haidong Zhao, Shuai He, Shuhui Wang, Yanjiao Zhu, Hongwei Xu, Renyun Luo, Xianyong Lan, Yong Cai, Xiuzhu Sun
In China, Tong sheep (TS) and Lanzhou fat-tailed sheep (LFTS) are two closely relative endanger breeds for low meat production and low fecundity, finding some marker-assisted selected (MAS) is our first priority for improving their growth traits. For this purpose, Hu sheep (HS) and small-tailed Han sheep (STHS) were compared with two endangered breeds (TS and LFTS). Paired-liked homeodomain transcription factor 2 (PITX2) gene was the important member of PITX family, which could adjust animal growth through hypothalamic-pituitary-adrenal axis...
December 4, 2017: Animal Biotechnology
https://www.readbyqxmd.com/read/29198610/evolutionary-rate-heterogeneity-between-multi-and-single-interface-hubs-across-human-housekeeping-and-tissue-specific-protein-interaction-network-insights-from-proteins-and-its-partners-properties
#19
Kakali Biswas, Debarun Acharya, Soumita Podder, Tapash Chandra Ghosh
Integrating gene expression into protein-protein interaction network (PPIN) leads to the construction of tissue-specific (TS) and housekeeping (HK) sub-networks, with distinctive TS- and HK-hubs. All such hub proteins are divided into multi-interface (MI) hubs and single-interface (SI) hubs, where MI hubs evolve slower than SI hubs. Here we explored the evolutionary rate difference between MI and SI proteins within TS- and HK-PPIN and observed that this difference is present only in TS, but not in HK-class...
November 30, 2017: Genomics
https://www.readbyqxmd.com/read/29197878/a-rare-case-of-embryonal-carcinoma-in-a-patient-with-turner-syndrome-without-y-chromosomal-material-but-mutations-in-kit-akt1-and-znf358-demonstrated-using-exome-sequencing
#20
Claus H Gravholt, Ole L Dollerup, Lone Duval, Else Mejlgaard, Katrine Stribolt, Søren Vang, Britt E Laursen, Michael Knudsen, Kasper Thorsen, Remko Hersmus, Leendert H J Looijenga, Kirstine Stochholm
Gonadoblastoma and malignant transformations thereof can occur in females with Turner syndrome (TS) and Y chromosomal material. However, in females with TS and no Y chromosomal material, this is rarely seen. We report a female with an apparent 45,X karyotype (in blood and tumor) who was diagnosed with a metastatic embryonal carcinoma. Exome sequencing of blood and the tumor was done, and no Y chromosomal material was detected, while predicted deleterious mutations in KIT (likely driver), AKT1, and ZNF358 were identified in the tumor...
December 2, 2017: Sexual Development: Genetics, Molecular Biology, Evolution, Endocrinology, Embryology, and Pathology of Sex Determination and Differentiation
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