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https://www.readbyqxmd.com/read/28637283/an-essential-physiological-role-for-mct8-in-bone-in-male-mice
#1
Victoria D Leitch, Caterina Di Cosmo, Xiao-Hui Liao, Sam O'Boy, Thomas M Galliford, Holly Evans, Peter I Croucher, Alan Boyde, Alexandra Dumitrescu, Roy E Weiss, Samuel Refetoff, Graham R Williams, J H Duncan Bassett
T3 is an important regulator of skeletal development and adult bone maintenance. Thyroid hormone action requires efficient transport of T4 and T3 into target cells. We hypothesized that monocarboxylate transporter-8, encoded by Mct8 on the X-chromosome, is an essential thyroid hormone transporter in bone. To test this hypothesis, we determined the juvenile and adult skeletal phenotypes of male Mct8 knockout mice (Mct8KO) and Mct8D1D2KO compound mutants, which additionally lack the ability to convert the prohormone T4 to the active hormone T3...
June 15, 2017: Endocrinology
https://www.readbyqxmd.com/read/28637205/evolution-and-comparative-genomics-of-paqu-like-conjugative-plasmids-in-vibrio-species
#2
Ruichao Li, Lianwei Ye, Marcus Ho Yin Wong, Zhiwei Zheng, Edward Wai Chi Chan, Sheng Chen
Objectives: To investigate a set of MDR conjugative plasmids found in Vibrio species and characterize the underlying evolution process. Methods: pAQU-type plasmids from Vibrio species were sequenced using both Illumina and PacBio platforms. Bioinformatics tools were utilized to analyse the typical MDR regions and core genes in the plasmids. Results: The nine pAQU-type plasmids ranged from ∼160 to 206 kb in size and were found to harbour as many as 111 core genes encoding conjugative, replication and maintenance functions...
June 20, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/28637153/dutch-version-of-the-fear-of-pain-questionnaire-for-adolescents-with-chronic-pain
#3
Carolien Dekker, Caroline H G Bastiaenen, Janneke E de Vries, Laura E Simons, Mariëlle E J B Goossens, Jeanine A M C F Verbunt
BACKGROUND: Fear of pain is important in the development and maintenance of chronic pain. The Fear of Pain Questionnaire-Child version has been developed to assess pain related fear in children and adolescents. OBJECTIVE: Translating the original questionnaire into Dutch, and investigating internal consistency and construct validity to enable use in the Dutch pain rehabilitation setting for treatment and research. METHODS: Cross-sectional validation study: After forward and back translation of the FOPQ-C, adolescents (11-22 years old) with chronic musculoskeletal pain completed an assessment containing the Dutch Fear of Pain Questionnaire, and questionnaires about demographics, pain catastrophizing, functional disability, and pain intensity...
March 3, 2017: Disability and Rehabilitation
https://www.readbyqxmd.com/read/28637094/acclimation-responses-to-high-light-by-guazuma-ulmifolia-lam-malvaceae-leaves-at-different-stages-of-development
#4
Anderson Kikuchi Calzavara, Juliana Silva Rocha, Geovana Lourenço, Karina Sanada, Cristiano Medri, Edmilson Bianchini, José Antonio Pimenta, Renata Stolf-Moreira, Halley Caixeta Oliveira
The recomposition of deforested environments requires the prior acclimation of seedlings to full sun in nurseries. Seedlings can overcome excessive light either through the acclimation of pre-existing fully expanded leaves or through the development of new leaves that are acclimated to the new light environment. Here, we compared the acclimation capacity of mature (MatL, fully expanded at the time of transfer) and newly expanded leaves (NewL, expanded after the light shift) of Guazuma ulmifolia Lam. (Malvaceae) seedlings to high light...
June 21, 2017: Plant Biology
https://www.readbyqxmd.com/read/28636968/t-regulating-hair-follicle-stem-cells
#5
Maria Maryanovich, Paul S Frenette
Regulatory T (Treg) cells are well known to modulate inflammatory responses. In a recent issue of Cell, Ali et al. (2017) reveal a function for Treg cells in stem cell maintenance by showing that skin-resident Foxp3(+) Treg cells preferentially localize to the hair follicle stem cell (HFSC) niche to control HFSC-mediated hair regeneration.
June 20, 2017: Immunity
https://www.readbyqxmd.com/read/28636943/opa1-isoforms-in-the-hierarchical-organization-of-mitochondrial-functions
#6
Valentina Del Dotto, Prashant Mishra, Sara Vidoni, Mario Fogazza, Alessandra Maresca, Leonardo Caporali, J Michael McCaffery, Martina Cappelletti, Enrico Baruffini, Guy Lenaers, David Chan, Michela Rugolo, Valerio Carelli, Claudia Zanna
OPA1 is a GTPase that controls mitochondrial fusion, cristae integrity, and mtDNA maintenance. In humans, eight isoforms are expressed as combinations of long and short forms, but it is unclear whether OPA1 functions are associated with specific isoforms and/or domains. To address this, we expressed each of the eight isoforms or different constructs of isoform 1 in Opa1(-/-) MEFs. We observed that any isoform could restore cristae structure, mtDNA abundance, and energetic efficiency independently of mitochondrial network morphology...
June 20, 2017: Cell Reports
https://www.readbyqxmd.com/read/28636941/highly-aggressive-metastatic-melanoma-cells-unable-to-maintain-telomere-length
#7
Nikenza Viceconte, Marie-Sophie Dheur, Eva Majerova, Christophe E Pierreux, Jean-François Baurain, Nicolas van Baren, Anabelle Decottignies
Unlimited replicative potential is one of the hallmarks of cancer cells. In melanoma, hTERT (telomerase reverse transcriptase) is frequently overexpressed because of activating mutations in its promoter, suggesting that telomerase is necessary for melanoma development. We observed, however, that a subset of melanoma metastases and derived cell lines had no telomere maintenance mechanism. Early passages of the latter displayed long telomeres that progressively shortened and fused before cell death. We propose that, during melanoma formation, oncogenic mutations occur in precursor melanocytes with long telomeres, providing cells with sufficient replicative potential, thereby bypassing the need to re-activate telomerase...
June 20, 2017: Cell Reports
https://www.readbyqxmd.com/read/28636920/nanog-fluctuations-in-embryonic-stem-cells-highlight-the-problem-of-measurement-in-cell-biology
#8
Rosanna C G Smith, Patrick S Stumpf, Sonya J Ridden, Aaron Sim, Sarah Filippi, Heather A Harrington, Ben D MacArthur
A number of important pluripotency regulators, including the transcription factor Nanog, are observed to fluctuate stochastically in individual embryonic stem cells. By transiently priming cells for commitment to different lineages, these fluctuations are thought to be important to the maintenance of, and exit from, pluripotency. However, because temporal changes in intracellular protein abundances cannot be measured directly in live cells, fluctuations are typically assessed using genetically engineered reporter cell lines that produce a fluorescent signal as a proxy for protein expression...
June 20, 2017: Biophysical Journal
https://www.readbyqxmd.com/read/28636799/transcriptional-mechanisms-coordinating-tight-junction-assembly-during-epithelial-differentiation
#9
REVIEW
Felix J Boivin, Kai M Schmidt-Ott
Epithelial tissues form a selective barrier via direct cell-cell interactions to separate and establish concentration gradients between the different compartments of the body. Proper function and formation of this barrier rely on the establishment of distinct intercellular junction complexes. These complexes include tight junctions, adherens junctions, desmosomes, and gap junctions. The tight junction is by far the most diverse junctional complex in the epithelial barrier. Its composition varies greatly across different epithelial tissues to confer various barrier properties...
June 2017: Annals of the New York Academy of Sciences
https://www.readbyqxmd.com/read/28636549/p53-independent-p21-induction-by-melk-inhibition
#10
Tatsuo Matsuda, Taigo Kato, Kazuma Kiyotani, Yunus Emre Tarhan, Vassiliki Saloura, Suyoun Chung, Koji Ueda, Yusuke Nakamura, Jae-Hyun Park
MELK play critical roles in human carcinogenesis through activation of cell proliferation, inhibition of apoptosis and maintenance of stemness. Therefore, MELK is a promising therapeutic target for a wide range of cancers. Although p21 is a well-known p53-downstream gene, we found that treatment with a potent MELK inhibitor, OTS167, could induce p21 protein expression in cancer cell lines harboring loss-of-function TP53 mutations. We also confirmed that MELK knockdown by siRNA induced the p21 expression in p53-deficient cancer cell lines and caused the cell cycle arrest at G1 phase...
June 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28636201/an-exploration-of-the-relationship-between-use-of-safety-seeking-behaviours-and-psychosis-a-systematic-review-and-meta-analysis
#11
Sarah Tully, Adrian Wells, Anthony P Morrison
Safety-seeking behaviours are responses employed to protect against perceived threat. In relation to anxiety disorders, safety-seeking behaviours have been implicated in both the formation and maintenance of distress. Several studies have highlighted similar findings in relation to psychosis; however, this literature has not yet been synthesized. This review is, therefore, being conducted in order to synthesize the literature on safety seeking in people with psychosis to increase the understanding of this relationship...
June 21, 2017: Clinical Psychology & Psychotherapy
https://www.readbyqxmd.com/read/28635672/towards-the-internet-of-smart-trains-a-review-on-industrial-iot-connected-railways
#12
Paula Fraga-Lamas, Tiago M Fernández-Caramés, Luis Castedo
Nowadays, the railway industry is in a position where it is able to exploit the opportunities created by the IIoT (Industrial Internet of Things) and enabling communication technologies under the paradigm of Internet of Trains. This review details the evolution of communication technologies since the deployment of GSM-R, describing the main alternatives and how railway requirements, specifications and recommendations have evolved over time. The advantages of the latest generation of broadband communication systems (e...
June 21, 2017: Sensors
https://www.readbyqxmd.com/read/28635668/the-role-of-cccdna-in-hbv-maintenance
#13
REVIEW
Lena Allweiss, Maura Dandri
Chronic hepatitis B virus (HBV) infection continues to be a major health burden worldwide; it can cause various degrees of liver damage and is strongly associated with the development of liver cirrhosis and hepatocellular carcinoma. The molecular mechanisms determining HBV persistence are not fully understood, but these appear to be multifactorial and the unique replication strategy employed by HBV enables its maintenance in infected hepatocytes. Both the stability of the HBV genome, which forms a stable minichromosome, the covalently closed circular DNA (cccDNA) in the hepatocyte nucleus, and the inability of the immune system to resolve chronic HBV infection are believed to be key mechanisms of HBV chronicity...
June 21, 2017: Viruses
https://www.readbyqxmd.com/read/28635641/the-fate-of-pollutants-in-porous-asphalt-pavements-laboratory-experiments-to-investigate-their-potential-to-impact-environmental-health
#14
Susanne M Charlesworth, Jamie Beddow, Ernest O Nnadi
Pervious Paving Systems (PPS) are part of a sustainable approach to drainage in which excess surface water is encouraged to infiltrate through their structure, during which potentially toxic elements, such as metals and hydrocarbons are treated by biodegradation and physical entrapment and storage. However, it is not known where in the PPS structure these contaminants accumulate, which has implications for environmental health, particularly during maintenance, as well as consequences for the recycling of material from the PPS at the end-of-life...
June 21, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28635538/clomipramine-trial-for-treatment-resistant-persistent-genital-arousal-disorder-a-case-series
#15
Ejder Akgun Yildirim, Munevver Hacioglu Yildirim, Elif Carpar, Irmak Sarac
INTRODUCTION: Treatment of persistent genital arousal disorder (PGAD), as a chronic and disabling condition, implicates substantial compelling complexities. METHODS: In this case series, seven women diagnosed with PGAD who were referred to the Sexual Dysfunction Unit of Psychotherapy Outpatient Clinic of Bakirkoy Research and Training Hospital for Psychiatry, Neurology, and Neurosurgery, Istanbul, Turkey between 2006 and 2009 were included. All patients were previously resistant to other antidepressants, antipsychotics and antiepileptics...
March 3, 2017: Journal of Psychosomatic Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/28635521/assessment-of-an-innovative-voluntary-substance-abuse-treatment-program-designed-to-replace-compulsory-drug-detention-centers-in-malaysia
#16
Farrah Khan, Archana Krishnan, Mansur A Ghani, Jeffrey A Wickersham, Jeannia J Fu, Sin How Lim, Sangeeth Kaur Dhaliwal, Adeeba Kamarulzaman, Frederick L Altice
BACKGROUND: As part of an ongoing initiative by the Malaysian government to implement alternative approaches to involuntary detention of people who use drugs, the National Anti-Drug Agency has created new voluntary drug treatment programs known as Cure and Care (C&C) Centers that provide free access to addiction treatment services, including methadone maintenance therapy, integrated with social and health services. OBJECTIVES:   We evaluated early treatment outcomes and client satisfaction among patients accessing C&C treatment and ancillary services at Malaysia's second C&C Center located in Kota Bharu, Kelantan...
February 22, 2017: Substance Use & Misuse
https://www.readbyqxmd.com/read/28635484/political-losses
#17
Stephanie Glanville
I am gutted Labour didn't win the election, as they promised to reintroduce the bursary. I put my nursing degree on hold for 16 months due to my daughter's illness. The new term begins in September, but I have lost my bursary and maintenance grant entitlement. I can no longer afford to do the course.
June 21, 2017: Nursing Standard
https://www.readbyqxmd.com/read/28635374/sepsis-favors-high-on-clopidogrel-platelet-reactivity
#18
Karolina Akinosoglou, Angelos Perperis, Spyridoula Theodoraki, Dimitrios Alexopoulos, Charalambos Gogos
High-on-treatment platelet reactivity (HPR) is associated with ischemic events in patients on antiplatelet therapy with a history of cardiovascular disease. On the other hand, recent data have associated sepsis with adverse cardiovascular events in patients admitted with bacteremia or respiratory infection. We aimed to assess P2Y12-mediated platelet reactivity (PR) during sepsis and recovery in patients under clopidogrel. This was a prospective observational study. Incoming patients presenting with signs/symptoms of sepsis already on a maintenance dose of clopidogrel of 75 mg qd for cardiovascular events were included in this study...
June 21, 2017: Platelets
https://www.readbyqxmd.com/read/28635363/early-mortality-risk-in-incident-chinese-hemodialysis-patients-a-retrospective-cohort-study
#19
Xinju Zhao, Mei Wang, Li Zuo
BACKGROUND: Early mortality risk of maintenance hemodialysis (MHD) patients varies by country and ethnicity. Here, early mortality in incident Chinese HD patients were studied. METHODS: Data from 1 January 2007 to 31 December 2013 were pulled from Beijing dialysis registry system. All included patients were followed to the end of 2013. This time period of dialysis was divided into six intervals (≤120, 121-365 days; 1-2, 2-3, 3-4, ≥5 years). Patients' demographics, primary cause of end-stage renal disease (ESRD), date of first HD, date of death, cause for death, date and cause of censoring were extracted from the registry database...
November 2017: Renal Failure
https://www.readbyqxmd.com/read/28635144/not-all-cultural-values-are-created-equal-cultural-change-in-china-reexamined-through-google-books
#20
Rui Zhang, Liping Weng
Given its major transformations in recent decades, China has figured prominently in research on cultural change. Previous research converges in showing a general trend towards individualism in contemporary China while noting that rising individualism tends to coexist with enduring collectivism. To further understand this, we tested whether perceived traditional importance of cultural values would modulate the trajectory of cultural change reflected in word usage frequencies in published books. We re-analysed Google's Chinese corpus since 1980 based on a broad sample of words associated with individualism-collectivism...
June 20, 2017: International Journal of Psychology: Journal International de Psychologie
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