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https://www.readbyqxmd.com/read/27932335/multicentre-randomised-placebo-controlled-trial-of-oral-anticoagulation-with-apixaban-in-systemic-sclerosis-related-pulmonary-arterial-hypertension-the-sphinx-study-protocol
#1
Alicia Calderone, Wendy Stevens, David Prior, Harshal Nandurkar, Eli Gabbay, Susanna M Proudman, Trevor Williams, David Celermajer, Joanne Sahhar, Peter K K Wong, Vivek Thakkar, Nathan Dwyer, Jeremy Wrobel, Weng Chin, Danny Liew, Margaret Staples, Rachelle Buchbinder, Mandana Nikpour
INTRODUCTION: Systemic sclerosis (SSc) is a severe and costly multiorgan autoimmune connective tissue disease characterised by vasculopathy and fibrosis. One of the major causes of SSc-related death is pulmonary arterial hypertension (PAH), which develops in 12-15% of patients with SSc and accounts for 30-40% of deaths. In situ thrombosis in the small calibre peripheral pulmonary vessels resulting from endothelial dysfunction and an imbalance of anticoagulant and prothrombotic mediators has been implicated in the complex pathophysiology of SSc-related PAH (SSc-PAH), with international clinical guidelines recommending the use of anticoagulants for some types of PAH, such as idiopathic PAH...
December 8, 2016: BMJ Open
https://www.readbyqxmd.com/read/27931961/imaging-of-connective-tissue-diseases-beyond-visceral-organ-imaging
#2
REVIEW
Maurizio Cutolo, Nemanja Damjanov, Barbara Ruaro, Ana Zekovic, Vanessa Smith
Connective tissues diseases (CTDs) can also be diagnosed early by "external" and safe imaging methods beyond the visceral organ analysis. This study aims to explore various imaging techniques used in diagnosing CTDs. Skin impairment in systemic sclerosis (SSc) may be recognized and studied by the modified Rodnan skin score (mRSS), which has some drawbacks, whereas high-frequency ultrasound (US) seems advantageous for the early identification of skin involvement. Salivary gland involvement in Sjögren syndrome (SS) can be assessed using standard tests such as unstimulated salivary flow test, salivary gland scintigraphy or contrast sialography...
August 2016: Best Practice & Research. Clinical Rheumatology
https://www.readbyqxmd.com/read/27928892/is-consumption-of-sugar-sweetened-soft-drinks-during-pregnancy-associated-with-birth-weight
#3
Jacob H Grundt, Geir Egil Eide, Anne-Lise Brantsaeter, Margaretha Haugen, Trond Markestad
In Norway, there were parallel increases and subsequent decreases in birth weight (BW) and consumption of sugar-sweetened carbonated soft drinks (SSC) during the period 1990-2010, and by an ecological approach, we have suggested that the relationship was causal. The objective of this study was to examine if such a relationship was present in a prospectively followed cohort of pregnant women. The study population included 62,494 term singleton mother-infant dyads in the Norwegian Mother and Child Cohort Study (MoBa), a national prospective cohort study in Norway from 1999 to 2008...
December 7, 2016: Maternal & Child Nutrition
https://www.readbyqxmd.com/read/27926879/in%C3%A2-vitro-derivation-and-propagation-of-spermatogonial-stem-cell-activity-from-mouse-pluripotent-stem-cells
#4
Yukiko Ishikura, Yukihiro Yabuta, Hiroshi Ohta, Katsuhiko Hayashi, Tomonori Nakamura, Ikuhiro Okamoto, Takuya Yamamoto, Kazuki Kurimoto, Kenjiro Shirane, Hiroyuki Sasaki, Mitinori Saitou
The in vitro derivation and propagation of spermatogonial stem cells (SSCs) from pluripotent stem cells (PSCs) is a key goal in reproductive science. We show here that when aggregated with embryonic testicular somatic cells (reconstituted testes), primordial germ cell-like cells (PGCLCs) induced from mouse embryonic stem cells differentiate into spermatogonia-like cells in vitro and are expandable as cells that resemble germline stem cells (GSCs), a primary cell line with SSC activity. Remarkably, GSC-like cells (GSCLCs), but not PGCLCs, colonize adult testes and, albeit less effectively than GSCs, contribute to spermatogenesis and fertile offspring...
December 6, 2016: Cell Reports
https://www.readbyqxmd.com/read/27924433/effect-of-wave-current-interactions-on-sediment-resuspension-in-large-shallow-lake-taihu-china
#5
Yiping Li, Chunyan Tang, Jianwei Wang, Kumud Acharya, Wei Du, Xiaomeng Gao, Liancong Luo, Huiyun Li, Shujun Dai, Jepkirui Mercy, Zhongbo Yu, Baozhu Pan
The disturbance of the water-sediment interface by wind-driven currents and waves plays a critical role in sediment resuspension and internal nutrient release in large, shallow lakes. This study analyzed the effects of the interactions between wind-induced currents an1d waves on the driving mechanism of sediment resuspension in Lake Taihu, the third largest freshwater lake in China, using acoustic and optic techniques to collect long-term, high-frequency, synchronous in situ measurements of wind, currents, waves, and suspended solid concentrations (SSCs)...
December 6, 2016: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/27920977/neurochemical-changes-in-patients-with-chronic-low-back-pain-detected-by-proton-magnetic-resonance-spectroscopy-a-systematic-review
#6
REVIEW
Xianjing Zhao, Maosheng Xu, Kristen Jorgenson, Jian Kong
BACKGROUND: Low back pain is a highly prevalent health problem around the world, affecting 50% to 85% of people at some point in life. The purpose of this systematic review is to summarize the previous proton magnetic resonance spectroscopy studies on brain chemical changes in patients with chronic low back pain (CLBP). METHODS: We identified relevant studies from a literature search of PubMed and EMBASE from 1980 to March 2016. Data extraction was performed on the subjects' characteristics, MRS methods, spectral analyses, cerebral metabolites and perceptual measurements...
2017: NeuroImage: Clinical
https://www.readbyqxmd.com/read/27920667/double-in-situ-hybridization-for-micrornas-and-mrnas-in-brain-tissues
#7
Atsushi Kasai, Sora Kakihara, Hiroki Miura, Ryo Okada, Atsuko Hayata-Takano, Keisuke Hazama, Misaki Niu, Norihito Shintani, Takanobu Nakazawa, Hitoshi Hashimoto
MicroRNAs (miRNAs) participate in a variety of functions in the brain. Understanding the in vivo localization of miRNAs is an important step for uncovering their roles in brain function. However, the in situ detection of low-abundance miRNAs in brain tissues remains difficult and requires extensive optimization of in situ hybridization (ISH) protocols in individual laboratories. Thus, detailed information regarding experimental conditions would serve as a useful reference for researchers in this field. Here, we investigated and summarized the effects of adjusting a series of critical steps, including tissue fixation, probe accessibility and hybridization stringency, to standardize the currently used miRNA ISH procedures...
2016: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/27919445/effective-production-of-recipient-male-pigs-for-spermatogonial-stem-cell-transplantation-by-intratesticular-injection-with-busulfan
#8
Zhuoheng Lin, Jiajing Bao, Qunfang Kong, Yaofu Bai, Fenhua Luo, Zhou Songyang, Yingji Wu, Junjiu Huang
Germ cell transplantation has facilitated spermatogonial stem cell (SSC) and spermatogenesis research and shown great potential in the seed-breeding of domestic livestock. However, little progress has been made in large animals, primarily reflecting the difficulties in preparing sterile recipients. Here, we developed a novel protocol to prepare recipient pigs through the direct injection of busulfan into the cavum vaginale of the scrotums of Landrace-Large bi-crossbreeding male pigs and Seghers male pigs, two economically-important types of pigs, to eliminate endogenous spermatogonia...
November 1, 2016: Theriogenology
https://www.readbyqxmd.com/read/27918067/systematic-approach-to-understanding-the-pathogenesis-of-systemic-sclerosis
#9
REVIEW
Xiao Xia Zuo, Li Hua Zhang, Hui Luo, Yisha Li, Honglin Zhu
Systemic sclerosis (SSc) is a complex heterogeneous autoimmune disease. Progressive organ fibrosis is a major contributor to SSc mortality. Despite extensive efforts, the underlying mechanism of SSc remains unclear. Efforts to understand the pathogenesis of SSc have included genomics, epigenetics, transcriptomic, proteomic and metabolomic studies in the last decade. This review focuses on recent studies in SSc research based on multi-omics. The combination of these technologies can help us understand the pathogenesis of SSc...
December 5, 2016: Clinical Genetics
https://www.readbyqxmd.com/read/27917320/the-complete-chloroplast-genome-sequence-of-helwingia-himalaica-helwingiaceae-aquifoliales-and-a-chloroplast-phylogenomic-analysis-of-the-campanulidae
#10
Xin Yao, Ying-Ying Liu, Yun-Hong Tan, Yu Song, Richard T Corlett
Complete chloroplast genome sequences have been very useful for understanding phylogenetic relationships in angiosperms at the family level and above, but there are currently large gaps in coverage. We report the chloroplast genome for Helwingia himalaica, the first in the distinctive family Helwingiaceae and only the second genus to be sequenced in the order Aquifoliales. We then combine this with 36 published sequences in the large (c. 35,000 species) subclass Campanulidae in order to investigate relationships at the order and family levels...
2016: PeerJ
https://www.readbyqxmd.com/read/27917213/efficacy-of-early-skin-to-skin-contact-on-the-rate-of-exclusive-breastfeeding-in-term-neonates-a-randomized-controlled-trial
#11
Amit Sharma
BACKGROUND: Despite multiple benefits of breast milk, the rates of exclusive breastfeeding in developing countries are low. OBJECTIVE: To evaluate the efficacy of early skin -to -skin contact (SSC) on the rate of exclusive breastfeeding (EBF) at 6 weeks of age among term neonates born by vaginal delivery. METHODS: Term neonates born by vaginal delivery and did not require any resuscitation were randomized at birth to SSC (n=100) and control (n=100) group...
September 2016: African Health Sciences
https://www.readbyqxmd.com/read/27916787/comprehensive-mirna-expression-profiles-in-the-ilea-of-lawsonia-intracellularis-infected-pigs
#12
Hongyi Li, Mao Zhang, Enqin Zheng
To analyze the miRNA expression profiles in Lawsoniaintracellularis-infected porcine intestines, infected pigs were first identified using PCR (Polymerase Chain Reaction). Then, RNA from infected intestines and control tissues were isolated and subjected to microarray analysis and RT-PCR. Results showed that a total of 83 miRNAs were differentially expressed between the infected samples and controls, out of which 53 were upregulated and 30 were downregulated. Validation using RT-PCR showed a high degree of confidence for the obtained data...
December 4, 2016: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/27915174/molecular-and-physiological-responses-of-iranian-perennial-ryegrass-as-affected-by-trinexapac-ethyl-paclobutrazol-and-abscisic-acid-under-drought-stress
#13
Mohammad Hossein Sheikh Mohammadi, Nematollah Etemadi, Mohammad Mehdi Arab, Mostafa Aalifar, Mostafa Arab, Mohammad Pessarakli
Drought stress is the major limiting factor which affects turfgrass management in area with restricted rainfall or irrigation water supply. Trinexapac ethyl (TE), Paclobutrazol (PAC) and Abscisic acid (ABA) are three plant growth regulators (PGRs) that are commonly used on turf species for increasing their tolerance to different environmental stresses such as drought. However, little is known about the impact of PGRs on stress tolerance of Iranian Perennial ryegrass (Lolium perenne). The present study was conducted to examine the visual and physiological changes of Iranian Perennial ryegrass in response to foliar application of TE, PAC, and ABA under drought stress conditions...
November 27, 2016: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/27914982/nanotopography-controls-cell-cycle-changes-involved-with-skeletal-stem-cell-self-renewal-and-multipotency
#14
Louisa C Y Lee, Nikolaj Gadegaard, María C de Andrés, Lesley-Anne Turner, Karl V Burgess, Stephen J Yarwood, Julia Wells, Manuel Salmeron-Sanchez, Dominic Meek, Richard O C Oreffo, Matthew J Dalby
In culture isolated bone marrow mesenchymal stem cells (more precisely termed skeletal stem cells, SSCs) spontaneously differentiate into fibroblasts, preventing the growth of large numbers of multipotent SSCs for use in regenerative medicine. However, the mechanisms that regulate the expansion of SSCs, while maintaining multipotency and preventing fibroblastic differentiation are poorly understood. Major hurdles to understanding how the maintenance of SSCs is regulated are (a) SSCs isolated from bone marrow are heterogeneous populations with different proliferative characteristics and (b) a lack of tools to investigate SSC number expansion and multipotency...
November 24, 2016: Biomaterials
https://www.readbyqxmd.com/read/27913250/identification-of-non-coding-and-coding-rnas-in-porcine-endometrium
#15
Yueying Wang, Tao Hu, Lihang Wu, Xiaoran Liu, Songyi Xue, Minggang Lei
One of the most critical periods of embryonic loss in pig is day 12 of pregnancy, when implantation begins. Here, we analyzed the gene expression on day 12 of pregnancy and non-pregnancy in the porcine endometrium using RNA sequencing (RNA-seq). 237 mRNAs, 34 lncRNAs and 1 miRNA were significantly differentially expressed between the two groups. Further functional analyses were conducted to identify these differentially expressed transcripts. The results demonstrated that they participate in various biological processes, such as cell adhesion, binding, nucleic and metabolic processes...
November 29, 2016: Genomics
https://www.readbyqxmd.com/read/27913232/visual-acuity-and-quality-of-life-in-dry-eye-disease-proceedings-of-the-ocean-group-meeting
#16
José Benítez-Del-Castillo, Marc Labetoulle, Christophe Baudouin, Maurizio Rolando, Yonca A Akova, Pasquale Aragona, Gerd Geerling, Jesús Merayo-Lloves, Elisabeth M Messmer, Kostas Boboridis
Dry eye disease (DED) results in tear film instability and hyperosmolarity, inflammation of the ocular surface and, ultimately, visual disturbance that can significantly impact a patient's quality of life. The effects on visual acuity result in difficulties with driving, reading and computer use and negatively impact psychological health. These effects also extend to the workplace, with a loss of productivity and quality of work causing substantial economic losses. The effects of DED and the impact on vision experienced by patients may not be given sufficient importance by ophthalmologists...
November 29, 2016: Ocular Surface
https://www.readbyqxmd.com/read/27909082/proteomic-investigation-of-dermal-fibroblasts-isolated-from-affected-and-unaffected-skin-samples-from-patients-with-limited-cutaneous-systemic-sclerosis-2-distinct-entities
#17
Claudio Corallo, Annalisa Santucci, Giulia Bernardini, Natale Figura, Roberto Leoncini, Giulia Riolo, Antonio Montella, Chiara Chirico, Ranuccio Nuti, Nicola Giordano
OBJECTIVE: To identify using proteomic analysis the proteins of altered abundance in the affected and unaffected limited cutaneous systemic sclerosis (lcSSc) skin fibroblasts. METHODS: Excision biopsies (3 mm) were obtained from the affected and unaffected skin of 5 patients with lcSSc. Dermal fibroblasts were isolated enzymatically. Two-dimensional gel electrophoresis was used to separate and define proteins in affected and unaffected fibroblast lysates. Proteins of altered abundance were identified by mass spectrometry...
December 1, 2016: Journal of Rheumatology
https://www.readbyqxmd.com/read/27908301/utility-of-b-type-natriuretic-peptides-in-the-assessment-of-patients-with-systemic-sclerosis-associated-pulmonary-hypertension-in-the-pharos-registry
#18
Lorinda Chung, Robert M Fairchild, Daniel E Furst, Shufeng Li, Firas Alkassab, Marcy B Bolster, Mary Ellen Csuka, Chris T Derk, Robyn T Domsic, Aryeh Fischer, Tracy Frech, Mardi Gomberg-Maitland, Jessica K Gordon, Monique Hinchcliff, Vivien Hsu, Laura K Hummers, Dinesh Khanna, Thomas A Jr Medsger, Jerry A Molitor, Ivana R Preston, Elena Schiopu, Lee Shapiro, Faye Hant, Richard Silver, Robert Simms, John Varga, Virginia D Steen, Roham T Zamanian
OBJECTIVES: To assess the utility of B-type natriuretic peptide (BNP) and N-terminal pro-BNP (NT-proBNP) in detecting and monitoring pulmonary hypertension (PH) in systemic sclerosis (SSc). METHODS: PHAROS is a multicenter prospective cohort of SSc patients at high risk for developing pulmonary arterial hypertension (SSc-AR-PAH) or with a definitive diagnosis of SSc-PH. We evaluated 1) the sensitivity and specificity of BNP≥64 and NT-proBNP≥210 pg/mL for the detection of SSc-PAH and/ or SSc-PH in the SSc-AR-PAH population; 2) baseline and longitudinal BNP and NT-proBNP levels as predictors of progression to SSc-PAH and/or SSc-PH; 3) baseline BNP≥180, NT-proBNP≥553 pg/mL, and longitudinal changes in BNP and NT-proBNP as predictors of mortality in SSc-PH diagnosed patients...
November 10, 2016: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/27906879/presence-of-organ%C3%A2-specific-antibodies-in-patients-with-systemic-sclerosis
#19
Ewa Wielosz, Maria Majdan, Arkadiusz Koszarny, Magdalena Dryglewska, Jacek Tabarkiewicz
INTRODUCTION According to the literature, organ‑specific antibodies may be present in the course of systemic sclerosis (SSc). OBJECTIVES The aim of this study was to assess the prevalence of antithyroid antibodies (antithyroid peroxidase antibodies [anti‑TPO] and antithyroglobulin antibodies) and of antimitochondrial antibodies (AMAs), as well as to evaluate their clinical significance in patients with SSc. PATIENTS AND METHODS The study involved 86 consecutive in‑hospital patients with SSc (32 patients with diffuse cutaneous SSc [dcSSc] and 54 with limited cutaneous SSc [lcSSc])...
October 5, 2016: Polskie Archiwum Medycyny Wewnętrznej
https://www.readbyqxmd.com/read/27902985/disease-manifestation-and-inflammatory-activity-as-modulators-of-th17-treg-balance-and-rorc-foxp3-methylation-in-systemic-sclerosis
#20
Giovanni Almanzar, Matthias Klein, Marc Schmalzing, Deborah Hilligardt, Nady El Hajj, Hermann Kneitz, Vanessa Wild, Andreas Rosenwald, Sandrine Benoit, Henning Hamm, Hans-Peter Tony, Thomas Haaf, Matthias Goebeler, Martina Prelog
BACKGROUND: There is much evidence that T cells are strongly involved in the pathogenesis of localized and systemic forms of scleroderma (SSc). A dysbalance between FoxP3+ regulatory CD4+ T cells (Tregs) and inflammatory T-helper (Th) 17 cells has been suggested. METHODS: The study aimed (1) to investigate the phenotypical and functional characteristics of Th17 and Tregs in SSc patients depending on disease manifestation (limited vs. diffuse cutaneous SSc, dcSSc) and activity, and (2) the transcriptional level and methylation status of Th17- and Treg-specific transcription factors...
December 1, 2016: International Archives of Allergy and Immunology
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