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https://www.readbyqxmd.com/read/28107194/transdifferentiation-of-human-male-germline-stem-cells-to-hepatocytes-in-vivo-via-the-transplantation-under-renal-capsules
#1
Zheng Chen, Minghui Niu, Min Sun, Qingqing Yuan, Chencheng Yao, Jingmei Hou, Hong Wang, Liping Wen, Hongyong Fu, Fan Zhou, Zheng Li, Zuping He
Here we proposed a new concept that human spermatogonial stem cells (SSCs) can transdifferentiate into hepatocytes in vivo. We first established liver injury model of mice by carbon tetrachloride to provide proper environment for human SSC transplantation. Liver mesenchymal cells were isolated from mice and identified phenotypically. Human SSC line was recombined with liver mesenchymal cells, and they were transplanted under renal capsules of nude mice with liver injury. The grafts expressed hepatocyte hallmarks, including ALB, AAT, CK18, and CYP1A2, whereas germ cell and SSC markers VASA and GPR125 were undetected in these cells, implicating that human SSCs were converted to hepatocytes...
January 18, 2017: Oncotarget
https://www.readbyqxmd.com/read/28106463/long-term-results-after-arthroscopic-repair-of-isolated-subscapularis-tears
#2
Gernot Seppel, Johannes E Plath, Christopher Völk, Wolfgang Seiberl, Stefan Buchmann, Simone Waldt, Andreas B Imhoff, Sepp Braun
BACKGROUND: Although some reports have presented short- to midterm results after arthroscopic repair of isolated subscapularis (SSC) tendon tears, long-term evaluation is still lacking. HYPOTHESIS: Long-term results after arthroscopic repair of isolated SSC tears are comparable with the functional and radiological short- to midterm outcomes described in the literature. STUDY DESIGN: Case series, Level of evidence, 4. METHODS: This study assessed 17 patients (5 females and 12 males; mean age, 45...
December 1, 2016: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28106276/crispr-cas9-mediated-deletion-of-c1eis-inhibits-chicken-embryonic-stem-cell-differentiation-into-male-germ-cells-gallus-gallus
#3
Qisheng Zuo, Kai Jin, Yingjie Wang, Jiuzhou Song, Yani Zhang, Bichun Li
We previously found that C1EIS is preferentially expressed in Chicken spermatogonial stem cells (SSCs) by RNA sequencing (RNA-seq), so our current study focused on C1EIS's role in Chicken embryonic stem cells (ESCs) differentiation into male germ cells. We constructed a CRISPR/Cas9 vector targeting C1EIS. T7 endonuclease I (T7EI) digestion method and sequencing of TA cloning were used to detect the knock-out efficiency of the Single guide RNA (sgRNA) after the cas9/gRNA vector transfected into D fibroblasts 1(DF-1), ESCs and Chicken embryos...
January 20, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28106077/mesenchymal-stem-cell-transplantation-in-tight-skin-mice-identifies-mir-151-5p-as-a-therapeutic-target-for-systemic-sclerosis
#4
Chider Chen, Dandan Wang, Alireza Moshaverinia, Dawei Liu, Xiaoxing Kou, Wenjing Yu, Ruili Yang, Lingyun Sun, Songtao Shi
Systemic sclerosis (SSc), an autoimmune disease, may cause significant osteopenia due to activation of the IL4Rα/mTOR pathway. Mesenchymal stem cell transplantation (MSCT) can ameliorate immune disorders in SSc via inducing immune tolerance. However, it is unknown whether MSCT rescues osteopenia phenotype in SSc. Here we show that MSCT can effectively ameliorate osteopenia in SSc mice by rescuing impaired lineage differentiation of the recipient bone marrow MSCs. Mechanistically, we show that donor MSCs transfer miR-151-5p to the recipient bone marrow MSCs in SSc mice to inhibit IL4Rα expression, thus downregulating mTOR pathway activation to enhance osteogenic differentiation and reduce adipogenic differentiation...
January 20, 2017: Cell Research
https://www.readbyqxmd.com/read/28105583/trpc3-participates-in-angiotensin-ii-type-1-receptor-dependent-stress-induced-slow-increase-in-intracellular-ca-2-concentration-in-mouse-cardiomyocytes
#5
Yohei Yamaguchi, Gentaro Iribe, Toshiyuki Kaneko, Ken Takahashi, Takuro Numaga-Tomita, Motohiro Nishida, Lutz Birnbaumer, Keiji Naruse
When a cardiac muscle is held in a stretched position, its [Ca(2+)] transient increases slowly over several minutes in a process known as stress-induced slow increase in intracellular Ca(2+) concentration ([Ca(2+)]i) (SSC). Transient receptor potential canonical (TRPC) 3 forms a non-selective cation channel regulated by the angiotensin II type 1 receptor (AT1R). In this study, we investigated the role of TRPC3 in the SSC. Isolated mouse ventricular myocytes were electrically stimulated and subjected to sustained stretch...
January 19, 2017: Journal of Physiological Sciences: JPS
https://www.readbyqxmd.com/read/28103947/long-term-immune-reconstitution-and-t-cell-repertoire-analysis-after-autologous-hematopoietic-stem-cell-transplantation-in-systemic-sclerosis-patients
#6
Dominique Farge, Lucas C M Arruda, Fanny Brigant, Emmanuel Clave, Corinne Douay, Zora Marjanovic, Christophe Deligny, Guitta Maki, Eliane Gluckman, Antoine Toubert, Helene Moins-Teisserenc
The determinants of clinical responses after autologous hematopoietic stem cell transplantation (aHSCT) in systemic sclerosis (SSc) are still unraveled. We analyzed long-term immune reconstitution (IR) and T cell receptor (TCR) repertoire diversity in 10 SSc patients, with at least 6 years simultaneous clinical and immunological follow-up after aHSCT. Patients were retrospectively classified as long-term responders (A, n = 5) or non-responders (B, n = 5), using modified Rodnan's skin score (mRSS) and forced vital capacity (FVC%)...
January 19, 2017: Journal of Hematology & Oncology
https://www.readbyqxmd.com/read/28103916/tim-1-defines-a-human-regulatory-b-cell-population-that-is-altered-in-frequency-and-function-in-systemic-sclerosis-patients
#7
Octavio Aravena, Ashley Ferrier, Madhvi Menon, Claudia Mauri, Juan Carlos Aguillón, Lilian Soto, Diego Catalán
BACKGROUND: Systemic sclerosis (SSc) is a systemic autoimmune disease characterized by excessive production of extracellular matrix by fibroblasts on skin and internal organs. Although Th2 cells have been involved in fibroblast stimulation, hyperactivated B cells may also play an important role. Regulatory B cells (Bregs) are cells capable of inhibiting inflammatory responses and controlling autoimmune diseases. Although many Breg populations have in common the ability to produce high amounts of IL-10, a unique surface marker defining most human Bregs is lacking...
January 19, 2017: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/28101144/histopathological-findings-in-systemic-sclerosis-related-myopathy-fibrosis-and-microangiopathy-with-lack-of-cellular-inflammation
#8
Claudio Corallo, Maurizio Cutolo, Nila Volpi, Daniela Franci, Margherita Aglianò, Antonio Montella, Chiara Chirico, Stefano Gonnelli, Ranuccio Nuti, Nicola Giordano
OBJECTIVES: The objective of this study was to identify specific histopathological features of skeletal muscle involvement in systemic sclerosis (SSc) patients. METHODS: A total of 35 out of 112 SSc-patients (32%, including 81% female and 68% diffuse scleroderma) presenting clinical, biological and electromyographic (EMG) features of muscle weakness, were included. Patients underwent vastus lateralis biopsy, assessed for individual pathologic features including fibrosis [type I collagen (Coll-I), transforming growth factor β (TGF-β)], microangiopathy [cluster of differentiation 31 (CD31), pro-angiogenic vascular endothelial growth factor A (VEGF-A), anti-angiogenic VEGF-A165b], immune/ inflammatory response [CD4, CD8, CD20, human leucocyte antigens ABC (HLA-ABC)], and membranolytic attack complex (MAC)...
January 2017: Therapeutic Advances in Musculoskeletal Disease
https://www.readbyqxmd.com/read/28100415/a-10-year-trend-of-dental-treatments-under-general-anesthesia-of-children-in-taipei-veterans-general-hospital
#9
Yung-Pan Chen, Chun-Yi Hsieh, Wen-Ting Hsu, Fu-Ya Wu, Wen-Yu Shih
BACKGROUND: General anesthesia (GA) as a pediatric dental procedure is a well-established method of behavior management. However, studies of pediatric dentistry under GA have mostly focused on handicapped patients, and various retrospective studies in Taiwan have mainly reviewed only a limited number of years. The purpose of the present study was to report trends in pediatric dental treatment performed under GA over the past 10 years. METHODS: A retrospective review of the hospital records of patients receiving dental treatment under GA from 2006 until 2015 was performed...
January 16, 2017: Journal of the Chinese Medical Association: JCMA
https://www.readbyqxmd.com/read/28099215/prevalence-and-severity-of-depression-and-anxiety-in-patients-with-systemic-sclerosis-an-epidemiologic-survey-and-investigation-of-clinical-correlates
#10
Seyedeh Tahereh Faezi, Pedram Paragomi, Ashraf Shahali, Maryam Akhlaghkhah, Mahmood Akbarian, Maassoomeh Akhlaghi, Masoumeh Kheirandish, Farhad Gharibdoost
BACKGROUND: Systemic sclerosis (SSc) is a chronic multisystem connective tissue disorder with detrimental impact on quality of life. Patients with SSc face emotional distress and frequently meet criteria for a psychiatric disorder. However, the pattern of psychiatric manifestations may vary according to socioethnic background. OBJECTIVES: We investigated the prevalence of depressive and anxiety symptoms and examined their association with sociodemographic and clinical factors in Iranian SSc patients...
January 18, 2017: Journal of Clinical Rheumatology: Practical Reports on Rheumatic & Musculoskeletal Diseases
https://www.readbyqxmd.com/read/28099044/effect-of-early-skin-to-skin-mother-infant-contact-in-the-maintenance-of-exclusive-breastfeeding
#11
Rafael Vila-Candel, Kiri Duke, F Javier Soriano-Vidal, Enrique Castro-Sánchez
BACKGROUND: Breastfeeding has been shown to result in extensive physical and psychological benefits for both the mother and the newborn. However, the rate and duration of exclusive breastfeeding (EBF) remains low worldwide. Mother-infant skin-to-skin contact (SSC) immediately after birth has demonstrated results that support the argument for breastfeeding continuation. Research aim: This study aimed to investigate the prevalence of EBF 3 months postpartum and the effect of early SSC in maintaining optimal EBF practices for mothers and their healthy newborns...
January 1, 2017: Journal of Human Lactation: Official Journal of International Lactation Consultant Association
https://www.readbyqxmd.com/read/28097059/the-complete-chloroplast-genome-sequence-of-an-endemic-monotypic-genus-hagenia-rosaceae-structural-comparative-analysis-gene-content-and-microsatellite-detection
#12
Andrew W Gichira, Zhizhong Li, Josphat K Saina, Zhicheng Long, Guangwan Hu, Robert W Gituru, Qingfeng Wang, Jinming Chen
Hagenia is an endangered monotypic genus endemic to the topical mountains of Africa. The only species, Hagenia abyssinica (Bruce) J.F. Gmel, is an important medicinal plant producing bioactive compounds that have been traditionally used by African communities as a remedy for gastrointestinal ailments in both humans and animals. Complete chloroplast genomes have been applied in resolving phylogenetic relationships within plant families. We employed high-throughput sequencing technologies to determine the complete chloroplast genome sequence of H...
2017: PeerJ
https://www.readbyqxmd.com/read/28096239/skin-to-skin-care-in-preterm-infants-receiving-respiratory-support-does-not-lead-to-physiological-instability
#13
Laila Lorenz, Jennifer A Dawson, Hannah Jones, Susan E Jacobs, Jeanie L Cheong, Susan M Donath, Peter G Davis, C Omar F Kamlin
OBJECTIVE: Providing skin-to-skin care (SSC) to preterm infants is standard practice in many neonatal intensive care units. There are conflicting reports on the stability of oxygen saturation (SpO2) during SSC, which may create a barrier to a wider implementation of SSC to infants receiving respiratory support. Regional cerebral oxygenation (rcO2) measured using near-infrared spectroscopy can serve as a surrogate parameter for cerebral oxygen delivery and consumption. We hypothesised that rcO2 during SSC would be similar to standard care in preterm infants receiving respiratory support...
January 17, 2017: Archives of Disease in Childhood. Fetal and Neonatal Edition
https://www.readbyqxmd.com/read/28096017/a-survey-of-skin-to-skin-contact-with-perinatal-nurses
#14
Dorothy Vittner, Xiaomei Cong, Susan M Ludington-Hoe, Jacqueline M McGrath
OBJECTIVE: This study explored perinatal nurses' knowledge, attitudes and practices of SSC, to identify knowledge-practice gaps. STUDY DESIGN: A descriptive cross-sectional survey design was completed by 101 perinatal nurses. Descriptive statistics and ordered logistical regression were used to describe and compare nurses' responses. RESULTS: The participants strongly agreed that it is nurses' responsibility to advocate for SSC. Significant differences (p<0...
February 2017: Applied Nursing Research: ANR
https://www.readbyqxmd.com/read/28094758/exosomes-isolated-from-serum-of-systemic-sclerosis-patients-display-alterations-in-their-content-of-profibrotic-and-antifibrotic-microrna-and-induce-a-profibrotic-phenotype-in-cultured-normal-dermal-fibroblasts
#15
Peter J Wermuth, Piera-Velazquez Sonsoles, Sergio A Jimenez
OBJECTIVES: Exosomes are lipid bilayer-bound microvesicles containing various macromolecules including numerous microRNA (miRNA). Exosomes mediate intercellular communication by fusing and releasing their macromolecular content into target cells. Here, we analysed the content of profibrotic and antifibrotic miRNAs in exosomes isolated from the serum of systemic sclerosis (SSc) patients and tested their ability to induce a profibrotic phenotype in normal human dermal fibroblasts in vitro...
January 13, 2017: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/28091808/occupational-and-environmental-scleroderma-systematic-review-and-meta-analysis
#16
Manuel Rubio-Rivas, Rafael Moreno, Xavier Corbella
The etiology of systemic sclerosis (SSc) remains unknown; however, several occupational and environmental factors have been implicated. Our objective was to perform a meta-analysis of all studies published on SSc associated with occupational and environmental exposure. The review was undertaken by means of MEDLINE and SCOPUS from 1960 to 2014 and using the terms: "systemic," "scleroderma," or "systemic sclerosis/chemically induced" [MesH]. The Newcastle-Ottawa Scale was used for the qualifying assessment. The inverse variance-weighted method was performed...
January 14, 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/28090297/exhaled-nitric-oxide-in-pulmonary-arterial-hypertension-associated-with-systemic-sclerosis
#17
Zeling Cao, Stephen C Mathai, Laura K Hummers, Ami A Shah, Fredrick M Wigley, Noah Lechtzin, Paul M Hassoun, Reda E Girgis
The fractional exhaled concentration of nitric oxide (FENO) has been shown to be reduced in idiopathic pulmonary arterial hypertension (PAH) but has not been adequately studied in PAH associated with systemic sclerosis (SSc). We measured FENO at an expiratory flow rate of 50 mL/s in 21 treatment-naive patients with SSc-associated PAH (SSc-PAH), 94 subjects with SSc without pulmonary involvement, and 84 healthy volunteers. Measurements of FENO at additional flow rates of 100, 150, and 250 mL/s were obtained to derive the flow-independent nitric oxide exchange parameters of maximal airway flux (J'awNO) and steady-state alveolar concentration (CANO)...
December 2016: Pulmonary Circulation
https://www.readbyqxmd.com/read/28090259/prevalence-of-pulmonary-arterial-hypertension-in-korean-adult-patients-with-systemic-sclerosis-result-of-a-pilot-echocardiographic-screening-study
#18
Su-Jin Yoo, Jae-Hyeong Park, Yunseon Park, Jae-Hwan Lee, Byung-Joo Sun, Jinhyun Kim, In Seol Yoo, Seung Cheol Shim, Seong Wook Kang
BACKGROUND: Pulmonary arterial hypertension (PAH) is a major cause of morbidity and mortality among patients with systemic sclerosis (SSc). Early detection and prompt treatment of PAH associated with SSc (SSc-PAH) result in better prognosis. We conducted echocardiographic study to presume the prevalence of PAH in Korean adult SSc patients and to diagnose SSc-PAH in their early stages with right heart catheterization (RHC). METHODS: We performed free of charge echocardiographic study including 37 adult SSc patients at the Chungnam National University Hospital...
December 2016: Journal of Cardiovascular Ultrasound
https://www.readbyqxmd.com/read/28089974/cardiopulmonary-disease-development-in-anti-rna-polymerase-iii-positive-systemic-sclerosis-comparative-analyses-from-an-unselected-prospective-patient-cohort
#19
Anna-Maria Hoffmann-Vold, Øyvind Midtvedt, Anders H Tennøe, Torhild Garen, May Brit Lund, Trond M Aaløkken, Arne K Andreassen, Fadi Elhage, Cathrine Brunborg, Eli Taraldsrud, Øyvind Molberg
OBJECTIVE: Extensive skin disease and renal crisis are hallmarks of anti-RNA polymerase III (RNAP)-positive systemic sclerosis (SSc), while lung and heart involvement data are conflicting. Here, the aims were to perform time-course analyses of interstitial lung disease (ILD) and pulmonary hypertension (PH) in the RNAP subset of a prospective unselected SSc cohort and to use the other autoantibody subsets as comparators. METHODS: The study cohort included 279 patients with SSc from the observational Oslo University Hospital cohort with complete data on (1) SSc-related autoantibodies, (2) paired, serial analyses of lung function and fibrosis by computed tomography, and (3) PH verified by right heart catheterization...
January 15, 2017: Journal of Rheumatology
https://www.readbyqxmd.com/read/28089973/malignancies-in-patients-with-anti-rna-polymerase-iii-antibodies-and-systemic-sclerosis-analysis-of-the-eular-scleroderma-trials-and-research-cohort-and-possible-recommendations-for-screening
#20
Maria-Grazia Lazzaroni, Ilaria Cavazzana, Enrico Colombo, Rucsandra Dobrota, Jasmin Hernandez, Roger Hesselstrand, Cecilia Varju, Gabriella Nagy, Vanessa Smith, Paola Caramaschi, Valeria Riccieri, Eric Hachulla, Alexandra Balbir-Gurman, Emmanuel Chatelus, Katarzyna Romanowska-Próchnicka, Ana Carolina Araújo, Oliver Distler, Yannick Allanore, Paolo Airò
OBJECTIVE: To analyze the characteristics of anti-RNA polymerase III antibodies (anti-RNAP3)- positive patients with systemic sclerosis (SSc) in the European League Against Rheumatism Scleroderma Trials and Research group (EUSTAR) registry with a focus on the risk of cancer and the characteristics of malignancies, and the aim to provide guidelines about potential cancer screening in these patients. METHODS: (1) Analysis of the EUSTAR database: 4986 patients with information on their anti-RNAP3 status were included...
January 15, 2017: Journal of Rheumatology
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