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Slavica Pavlov-Dolijanovic, Nebojsa Petrovic, Nada Vujasinovic Stupar, Nemanja Damjanov, Goran Radunovic, Dragan Babic, Dragana Sobic-Saranovic, Vera Artiko
We assess the usefulness of (99m)Tc-pertechnetate hand perfusion scintigraphy in patients with Raynaud's phenomenon (RP). The study population consisted of 18 patients with primary RP, 25 patients with secondary RP within systemic sclerosis (SSc), and ten healthy individuals. Gamma camera dynamic first-pass study during the first 60 s and a static scintigraphy after 5 min were recorded following a bolus injection of (99m)Tc-pertechnetate via a cubital vein. Regions of interest were drawn on the summed images around the fingers and the palmar region...
October 25, 2016: Rheumatology International
Sergio Agudelo, Oscar Gamboa, Fabio Rodríguez, Sandra Cala, Nathalie Gualdrón, Evelyn Obando, María Lucía Padrón
BACKGROUND: Human lactancy is a simple and cost-effective strategy that influences infant and maternal mortality rates. Skin-to-skin contact (SSC) is an immediate postpartum period strategy that has proven to benefit the initiation and continuation of human lactation and to decrease hospitalization during the first week of life. This study aims to determine the effect of SSC initiation at birth (immediate versus early) in healthy, full-term newborns treated at the Universidad de La Sabana Clinic on the duration of exclusive human lactation...
October 26, 2016: Trials
Leila Maghen, Ekaterina Shlush, Itai Gat, Melissa Filice, Tanya Barretto, Keith Jarvi, Kirk Lo, Andree S Gauthier-Fisher, Clifford L Librach
The expansion of functional testicular biopsy-derived human spermatogonial stem cells (hSSC) ex-vivo may enable the restoration of fertility in pre-pubertal males having undergone gonadotoxic therapies or men with severe male factor infertility. Various somatic cells are known to regulate SSC homeostasis and spermatogenesis in the developing and adult testis. Prior attempts to recapitulate this niche demonstrated the requirement of feeder cells, such as endogenous testicular somatic cells, for germ cell expansion ex-vivo...
October 25, 2016: Reproduction: the Official Journal of the Society for the Study of Fertility
Takashi Yamashita, Yoshihide Asano, Takashi Taniguchi, Kouki Nakamura, Ryosuke Saigusa, Shunsuke Miura, Tetsuo Toyama, Takehiro Takahashi, Yohei Ichimura, Ayumi Yoshizaki, Maria Trojanowska, Shinichi Sato
Systemic sclerosis (SSc) is a multisystem inflammatory and vascular disease resulting in extensive tissue fibrosis. Glycyrrhizin, clinically used for chronic hepatic diseases and itching dermatitis, modulates the pathological processes of inflammation, vasculopathy, and fibrosis in human diseases and their animal models. Therefore, we investigated a potential impact of glycyrrhizin on the key pathological manifestations of SSc, including inflammation, vasculopathy, and tissue fibrosis, with bleomycin (BLM)-treated mice mimicking the fibrotic and inflammatory components of SSc and endothelial cell-specific Fli1 knockout mice recapitulating SSc vasculopathy...
October 21, 2016: Journal of Investigative Dermatology
Nadera Methia, Samia Latreche, Omar Ait Mokhtar, Jean-Jacques Monsuez, Salim Benkhedda
BACKGROUND: Prognosis of systemic sclerosis (SSc) is affected by pulmonary artery hypertension (PAH). METHODS: Among 202 patients (mean age: 46.1 ± 13.3 years; 177 women) with SSc, those with a tricuspid regurgitation (TR) jet maximal velocity at 2D-echocardiography (2DE) < 2.8m/second were not considered at high risk for PAH, whereas those with a TR velocity >3m/second or between 2.8 and 3m/second and associated with dyspnea were. RESULTS: Among 22 patients at risk, 15 (mean age: 50...
October 2016: American Journal of the Medical Sciences
Jing Wei, Linyan Liu, Zhenhua Fan, Yunhan Hong, Yang Zhao, Linyan Zhou, Deshou Wang
The origin and evolution of molecular mechanisms underlying the self-renewal and differentiation of spermatogonial stem cells (SSC) are fundamental questions in stem cell biology as well as reproduction medicine. In mammals, glial cell line-derived neurotrophic factor (GDNF) is crucial for SSC self-renewal and maintenance. However, in non-mammals, the role of Gdnf in SSC still remains unknown. Here we report that the two GDNF homologs from medaka fish (Oryzias latipes), namely OlGdnfa and OlGdnfb, can promote the proliferation activity and retain the spermatogonial property of SG3, a spermatogonial cell line derived from adult medaka showing the intrinsic property of SSC by self-renewal and differentiation potential during 2 years of culture...
October 22, 2016: Stem Cells and Development
James Esposito, Zoe Brown, Wendy Stevens, Joanne Sahhar, Candice Rabusa, Jane Zochling, Janet Roddy, Jennifer Walker, Susanna M Proudman, Mandana Nikpour
BACKGROUND: In some rheumatic diseases such as systemic lupus erythematosus (SLE), low serum complement ('hypocomplementaemia') is a feature of active disease. However, the role of hypocomplementaemia in systemic sclerosis (SSc) is unknown. We sought to determine the frequency, clinical associations and relationship to disease activity of hypocomplementaemia in SSc. METHODS: The study included 1140 patients fulfilling the 2013 American College of Rheumatology criteria for SSc...
October 22, 2016: Arthritis Research & Therapy
Bowen Niu, Bo Li, Chongyang Wu, Jiang Wu, Yuan Yan, Rui Shang, Chunling Bai, Guangpeng Li, Jinlian Hua
Melatonin has been reported to be an important endogenous hormone for regulating neurogenesis, immunityand the biological clock. Recently, the effects of melatonin on neural stem cells (NSCs), mesenchymal stem cells(MSCs), and induced pluripotent stem cells(iPSCs) have been reported; however, the effects of melatonin on spermatogonia stem cells (SSCs) are not clear. Here, 1μM and 1nM melatonin was added to medium when goat SSCs were cultured in vitro, the results showed that melatonin could increase the formation and size of SSC colonies...
October 18, 2016: Oncotarget
Tien Tay, Nava Ferdowsi, Murray Baron, Wendy Stevens, Marie Hudson, Susanna M Proudman, Mandana Nikpour
OBJECTIVES: To identify and appraise measures of disease status in systemic sclerosis (SSc). METHODS: A systematic review of Medline (1966-2015), EMBASE (1974-2015), and Cochrane Library (inception-2015) was undertaken to identify indices of disease status in SSc. We focused on objective measures and excluded non-English articles. Measures were reviewed for content, whether they measured activity, damage and/or severity and whether they were validated according to the OMERACT filter...
July 29, 2016: Seminars in Arthritis and Rheumatism
Patrick Krumm, Karin A L Mueller, Karin Klingel, Ulrich Kramer, Marius S Horger, Tanja Zitzelsberger, Reinhard Kandolf, Meinrad Gawaz, Konstantin Nikolaou, Bernhard D Klumpp, Joerg C Henes
BACKGROUND: To determine morphological and functional cardiovascular magnetic resonance (CMR) patterns in histopathologically confirmed myocardial involvement in patients with systemic sclerosis (SSc). METHODS: Twenty patients (6 females; mean age 41 ± 11 years) with histopathologically proven cardiac involvement in SSc in the years 2008-2016 were retrospectively evaluated. Morphological, functional and late gadolinium enhancement (LGE) images were acquired in standard angulations at 1...
October 21, 2016: Journal of Cardiovascular Magnetic Resonance
Aneta Kruszec, Przemysław Kotyla
Systemic sclerosis (SSc) is coccenctive tissue disease characterized by progressive fibrosis of the skin and internal organs leading to their failure, autoimmune dysfunction and the morphological and functional changes in the blood vessels. Primary cardiac involvement is common for patients with SSc, and when it becomes clinically evident appears as a bad prognostic factor. There is increasing evidence that heart failure occurs as a result of repeated episodes of ischemia leading to focal irreversible myocardial fibrosis...
September 29, 2016: Polski Merkuriusz Lekarski: Organ Polskiego Towarzystwa Lekarskiego
Elena Bartoloni, Giacomo Pucci, Francesca Cannarile, Francesca Battista, Alessia Alunno, Marco Giuliani, Giacomo Cafaro, Roberto Gerli, Giuseppe Schillaci
Although microvascular disease is a hallmark of systemic sclerosis (SSc), a higher prevalence of macrovascular disease and a poorer related prognosis have been reported in SSc than in the general population. The simultaneous assessment of prognostically relevant functional properties of larger and smaller arteries, and their effects on central hemodynamics, has never been performed in SSc using the state-of-the-art techniques. Thirty-four women with SSc (aged 61±15 years, disease duration 17±12 years, and blood pressure 123/70±18/11 mm Hg) and 34 healthy women individually matched by age and mean arterial pressure underwent the determination of carotid-femoral (aortic) and carotid-radial (upper limb) pulse wave velocity (a direct measure of arterial stiffness), aortic augmentation (a measure of the contribution of reflected wave to central pulse pressure), and aortobrachial pulse pressure amplification (brachial/aortic pulse pressure) through applanation tonometry (SphygmoCor)...
October 17, 2016: Hypertension
Mona Alilet, Julien Behr, Jean-Philippe Nueffer, Benoit Barbier-Brion, Sébastien Aubry
: The subscapularis (SSC) muscle is the most powerful of the rotator cuff muscles, and plays an important role in shoulder motion and stabilization. SSC tendon tear is quite uncommon, compared to the supraspinatus (SSP) tendon, and, most of the time, part of a large rupture of the rotator cuff. Various complementary imaging techniques can be used to obtain an accurate diagnosis of SSC tendon lesions, as well as their extension and muscular impact. Pre-operative diagnosis by imaging is a key issue, since a lesion of the SSC tendon impacts on treatment, surgical approach, and post-operative functional prognosis of rotator cuff injuries...
October 17, 2016: Insights Into Imaging
Gianluca Bagnato, William Neal Roberts, Davide Sciortino, Donatella Sangari, Santa Cirmi, Roneka L Ravenell, Michele Navarra, Gianfilippo Bagnato, Sebastiano Gangemi
BACKGROUND: Systemic sclerosis (SSc) is a complex autoimmune disease characterized by vascular alterations and autoimmune activation leading to widespread organ fibrosis. At the early stage of disease when organ involvement and extent of disease are emerging, mast cells may have some role, as implied by both symptoms and histologic evidence. CASE PRESENTATION: A female patient diagnosed with cutaneous mastocytosis experienced the onset of systemic sclerosis after 15 years followed by the switch of mastocytosis to the systemic phenotype...
2016: Clinical and Molecular Allergy: CMA
J-B Monfort, I Lazareth, P Priollet
OBJECTIVE: Association between cancer and systemic sclerosis (SSc) has been described. However, paraneoplastic SSc is not well known. The aim of this article is to describe cases of paraneoplastic systemic sclerosis and to compare them to other cases of the literature, to find characteristics that can make suspect a paraneoplastic mechanism when SSc is diagnosed. METHODS: We retrospectively analyzed patients, in our department who, over the last 15 years, presented with Raynaud's phenomenon with a diagnosis of SSc (including cancer during the period of SSc)...
October 14, 2016: Journal des Maladies Vasculaires
Yasemin Yalçinkaya, Suzan Çinar, Bahar Artim-Esen, Sevil Kamali, Lale Öcal, Günnur Deniz, Murat Inanç
OBJECTIVES: To determine the relationship between vascular biomarkers reflecting the vascular injury and organ involvement in systemic sclerosis (SSc). METHODS: Seventy-two SSc patients (66 female) fulfilling 2013 ACR/EULAR Criteria were evaluated. Serum samples of patients were collected for flow-cytometric analysis of sCD40L, tPA, MCP-1, sE-selectin, IL-8, IL-6, VEGF, sP-selectin, TGF-β1 and VCAM levels (Bender MedSystems) in SSc patients and 20 healthy controls...
September 2016: Clinical and Experimental Rheumatology
Gemma Lepri, Jerome Avouac, Paolo Airò, Francisco Anguita Santos, Silvia Bellando-Randone, Jelena Blagojevic, Francisco Garcia Hernàndez, Jose Antonio Gonzalez Nieto, Serena Guiducci, Suzana Jordan, Vidya Limaye, Britta Maurer, Albert Selva-O'Callaghan, Valeria Riccieri, Oliver Distler, Marco Matucci-Cerinic, Yannick Allanore
OBJECTIVES: Interstitial lung disease (ILD) is a key prognostic factor in connective tissue disorders (CTDs). The aim of our study was to assess the changes in pulmonary functional tests (PFTs) in various CTDs, including anti-synthetase syndrome (SYN), systemic sclerosis (SSc) and mixed connective tissue disorder (MCTD), following the use of rituximab therapy. METHODS: A multicentre retrospective analysis of patients with ILD secondary to SYN (n=15), MCTD (n=6) and SSc (n=23)...
September 2016: Clinical and Experimental Rheumatology
Andrea K Murray, Tonia L Moore, Elizabeth Wragg, Holly Ennis, Andy Vail, Graham Dinsdale, Lindsay Muir, Christopher E M Griffiths, Ariane L Herrick
OBJECTIVES: Systemic sclerosis (SSc)-related digital ulcers (DU) cause significant pain and disability and are often a primary endpoint in clinical trials. However, their pathophysiology has been little studied. The objectives of this prospective study were to determine whether laser Doppler imaging (LDI) and thermography can identify ischaemic components in both fingertip and extensor surface DU and assess ulcer healing. METHODS: Patients prospectively reported new DU over a year...
September 2016: Clinical and Experimental Rheumatology
Hannah Clara Ahrens, Elise Siegert, Dirk Tomsitz, Kathrin Mattat, Christine March, Margitta Worm, Gabriela Riemekasten
OBJECTIVES: To develop a standardized scoring system to assess the severity of DUs in SSc patients and correlate it with functional outcomes. METHODS: In this cross-sectional, longitudinal study in SSc patients with DUs (n=65) we developed a digital ulcers score (DUS) for the assessment of DUs. DUS and the ABILHAND score were measured at each visit and differences were analysed using Tamhane's T2 test. Spearman's Rho test was applied for correlational analysis of DUS and functional outcomes...
September 2016: Clinical and Experimental Rheumatology
Annapurna Saksena, Parul Gautam, Parth Desai, Naresh Gupta, A P Dubey, Tejinder Singh
BACKGROUND & OBJECTIVES: Flow cytometry is an important tool to diagnose acute leukaemia. Attempts are being made to find the minimal number of antibodies for correctly diagnosing acute leukaemia subtypes. The present study was designed to evaluate the analysis of side scatter (SSC) versus CD45 flow dot plot to distinguish acute myeloid leukaemia (AML) from acute lymphoblastic leukaemia (ALL), with minimal immunological markers. METHODS: One hundred consecutive cases of acute leukaemia were evaluated for blast cluster on SSC versus CD45 plots...
May 2016: Indian Journal of Medical Research
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