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https://www.readbyqxmd.com/read/29778090/massive-pericardial-effusion-without-cardiac-tamponade-due-to-subclinical-hypothyroidism-hashimoto-s-disease
#1
Panteleimon E Papakonstantinou, Nikolaos Gourniezakis, Christos Skiadas, Alexandros Patrianakos, Achilleas Gikas
CONTEXT: Hypothyroidism is a significant cause of pericardial effusion. However, large pericardial effusions due to hypothyroidism are extremely rare. Hormone replacement therapy is the cornerstone of treatment for hypothyroidism and regular follow-up of patients after initiation of the therapy is indicated. Herein, the case of a 70-year-old woman with a massive pericardial effusion due to Hashimoto's disease is presented. ISSUES: A 70-year-old female from a rural village on the island of Crete, Greece, was admitted to our hospital due to a urinary tract infection...
May 2018: Rural and Remote Health
https://www.readbyqxmd.com/read/29777057/glycogen-synthase-kinase-3-gsk-3-activity-regulates-mrna-methylation-in-mouse-embryonic-stem-cells
#2
Kelsie J Faulds, Jennifer N Egelston, Laura J Sedivy, Matthew K Mitchell, Sanjana Garimella, Hanna Kozlowski, Angelo D'Alessandro, Kirk C Hansen, Jeremy L Balsbaugh, Christopher J Phiel
Glycogen synthase kinase-3 (Gsk-3) activity regulates multiple signal transduction pathways, and is also a key component of the network responsible for maintaining stem cell pluripotency. Genetic deletion of Gsk-3α and Gsk-3β or inhibition of Gsk-3 activity via small molecules promotes stem cell pluripotency, yet the mechanism underlying the role for Gsk-3 in this process remains ambiguous. Another cellular process that has been shown to affect stem cell pluripotency is mRNA methylation (m6 A). Here, we describe an intersection between these components - the regulation of m6 A by Gsk-3...
May 18, 2018: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/29775782/network-based-expression-analyses-and-experimental-validations-revealed-high-co-expression-between-yap1-and-stem-cell-markers-compared-to-differentiated-cells
#3
Fariba Dehghanian, Zohreh Hojati, Fariba Esmaeili, Ali Masoudi-Nejad
The Hippo signaling pathway is identified as a potential regulatory pathway which plays critical roles in differentiation and stem cell self-renewal. Yap1 is a primary transcriptional effector of this pathway. The importance of Yap1 in embryonic stem cells (ESCs) and differentiation procedure remains a challenging question, since two different observations have been reported. To answer this question we used co-expression network and differential co-expression analyses followed by experimental validations. Our results indicate that Yap1 is highly co-expressed with stem cell markers in ESCs but not in differentiated cells (DCs)...
May 15, 2018: Genomics
https://www.readbyqxmd.com/read/29774076/the-human-somatostatin-receptor-type-2-as-an-imaging-and-suicide-reporter-gene-for-pluripotent-stem-cell-derived-therapy-of-myocardial-infarction
#4
Katrien Neyrinck, Natacha Breuls, Bryan Holvoet, Wouter Oosterlinck, Esther Wolfs, Hubert Vanbilloen, Olivier Gheysens, Robin Duelen, Willy Gsell, Ivo Lambrichts, Uwe Himmelreich, Catherine M Verfaillie, Maurilio Sampaolesi, Christophe M Deroose
Rationale: Pluripotent stem cells (PSCs) are being investigated as a cell source for regenerative medicine since they provide an infinitive pool of cells that are able to differentiate towards every cell type of the body. One possible therapeutic application involves the use of these cells to treat myocardial infarction (MI), a condition where billions of cardiomyocytes (CMs) are lost. Although several protocols have been developed to differentiate PSCs towards CMs, none of these provide a completely pure population, thereby still posing a risk for neoplastic teratoma formation...
2018: Theranostics
https://www.readbyqxmd.com/read/29767511/low-dose-arsenic-trioxide-modulates-the-differentiation-of-mouse-embryonic-stem-cells
#5
Wenlin Yuan, Jun Chen, Hongren Huang, Zhihui Cai, Qinjie Ling, Feng Huang, Zhi Huang
Arsenic (As) is a well-known environmental pollutant,while arsenic trioxide (ATO) has been proven to be an effective treatment for acute promyelocytic leukemia, however, the mechanism underlying its dual effects is not fully understood.Embryonic stem cells (ESCs) appear properties of stemness and serve as a popular model to investigate epigenetic modifiers includingenvironmental pollutants.Herein, the effect of low dose ATO on differentiation were evaluatedin vitro using a mouse ESCs (mESCs) cell line, CGR8...
May 16, 2018: Chemical Research in Toxicology
https://www.readbyqxmd.com/read/29764928/ovarian-steroid-dependence-of-endoplasmic-reticulum-stress-involvement-in-endometrial-cell-apoptosis-during-the-human-endometrial-cycle
#6
Jong Yeob Choi, Min Wha Jo, Eun Young Lee, Dong-Yun Lee, Doo Seok Choi
Endoplasmic reticulum (ER) stress is a common cellular stress response that enhances apoptosis to trigger cell death. However, recent studies have shown that estrogen suppresses apoptosis by inhibiting ER stress in some cell types, suggesting that ER stress-induced apoptosis is regulated by ovarian steroid hormones. In endometrial cells, ER stress may also be controlled by ovarian steroid hormones and could be involved in apoptosis induction during the menstrual cycle. To test this hypothesis, we elucidate whether ER stress is regulated by ovarian steroid hormones in human endometrial cells and if it is involved in apoptosis induction...
June 2018: Reproduction: the Official Journal of the Society for the Study of Fertility
https://www.readbyqxmd.com/read/29763985/induced-pluripotent-stem-cells-ipscs-as-a-new-source-of-bone-in-reconstructive-surgery-a-systematic-review-and-meta-analysis-of-preclinical-studies
#7
REVIEW
Riham Fliefel, Michael Ehrenfeld, Sven Otto
BACKGROUND: It is now well-established that regenerative medicine and stem cell therapy are the most promising approach to obtain full tissue regeneration by using various cell types including stem cells isolated from adult tissues, embryonic stem cells (ESCs) and induced pluripotent stem cells (iPSCs). Recently, iPSCs have been successfully differentiated into osteoprogenitors to facilitate repair and regeneration of bone defects. Thus, the purpose of this systematic review and meta-analysis is to summarize the articles published that assess the osteogenic potential of iPSCs in-vitro and their ability to heal bone defects in reconstructive surgery...
May 15, 2018: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/29763921/peptidomic-analysis-of-endometrial-tissue-from-patients-with-ovarian-endometriosis
#8
Yunping Xue, Pengfei Xu, Sujuan Xu, Kai Xue, Lingling Xu, Jie Chen, Juan Xu, Xiaoyan Shi, Qian Li, Lin Gu
BACKGROUND/AIMS: Ovarian endometriosis (OvE) is ovarian cyst that is lined with endometrial tissue. They are found in 17-44% of women with endometriosis. Their clinical manifestations include pelvic pain, dysmenorrhea, dyspareunia, and infertility. Although the incidence of OvE has increased yearly, the exact pathogenesis of OvE is still unclear. We used peptidomics, an emerging branch of proteomics, to identify differentially expressed peptides in order to determine the possible roles of these peptides in the pathogenesis of OvE...
May 9, 2018: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29762665/mir-194-3p-represses-the-progesterone-receptor-and-decidualization-in-eutopic-endometrium-from-women-with-endometriosis
#9
Tianjiao Pei, Chang Liu, Tingting Liu, Li Xiao, Bin Luo, Jing Tan, Xueying Li, Guojun Zhou, Changling Duan, Wei Huang
Progesterone resistance in the eutopic endometrium (EuE) is suggested to be a critical factor for decreased endometrial receptivity and implantation failure in reproductive-aged women with endometriosis. Altered expression of miRNAs has been reported to play an important role in the pathophysiology of endometriosis-associated infertility. However, the underlying mechanisms of aberrant progesterone receptor (PR) and deficient decidualization regulated by miRNAs in endometriosis have not been thoroughly elucidated...
May 11, 2018: Endocrinology
https://www.readbyqxmd.com/read/29761578/identification-of-the-coiled-coil-domain-as-an-essential-mbd3-element-for-preserving-lineage-commitment-potential-of-embryonic-stem-cells
#10
Masataka Hirasaki, Atsushi Ueda, Masamitsu N Asaka, Kousuke Uranishi, Ayumu Suzuki, Masakazu Kohda, Yosuke Mizuno, Yasushi Okazaki, Masazumi Nishimoto, Jafar Sharif, Haruhiko Koseki, Akihiko Okuda
Embryonic stem cells (ESCs) exhibit two salient features beneficial for regenerative medicine: unlimited self-renewal and pluripotency. Methyl-CpG-binding domain protein 3 (Mbd3), a scaffolding component of the nucleosome remodeling deacetylase complex, is a specific regulator of pluripotency, as ESCs lacking Mbd3 are defective for lineage commitment potential but retain normal self-renewal properties. However, functional similarities and dissimilarities among the three Mbd3 isoforms (a, b, and c) have not been intensively explored...
May 15, 2018: Stem Cells
https://www.readbyqxmd.com/read/29761338/-journey-of-the-s%C3%A2-icd-to-first-line-therapy
#11
REVIEW
Elif Kaya, Reza Wakili, Tienush Rassaf
The subcutaneous implantable cardioverter-defibrillator (S-ICD®, Boston Scientific, Marlborough, MA, USA, previously Cameron Health, San Clemente, CA, USA) represents an important milestone in ICD therapy for prevention of sudden cardiac death (SCD). Since the introduction of the S‑ICD in 2010, the device has undergone further development. Based on the unique feature of an entirely extracardiac implantation, the S‑ICD is able to reduce the common perioperative and long-term complications of the usual endovascular implanted ICD systems...
May 14, 2018: Herzschrittmachertherapie & Elektrophysiologie
https://www.readbyqxmd.com/read/29761334/-do-we-need-syncope-units-experience-from-bolzano-south-tyrol-italy
#12
REVIEW
Matthias Unterhuber, Marco Tomaino, Michele Brignole
Syncope is a common cause for presentation to the emergency department. Because of the numerous differential diagnoses which can be life-threatening, it can be a challenging work-up for the physician. This often results in admission rates that are too high and hospital stays that are too long with consequent high costs. Several studies have shown the inferiority of best-clinical practice to an evidence-based approach in syncope work-up, which results in underdiagnosis and often incorrect diagnosis of syncope...
May 14, 2018: Herzschrittmachertherapie & Elektrophysiologie
https://www.readbyqxmd.com/read/29760931/blood-factory-which-stem-cells
#13
Maria Teresa Esposito
Blood transfusions are often essential for treatment of severe anaemia and pregnancy complications. The unavailability of blood is a medical concern, especially in developing countries. New sources of red blood cells (RBC) are under investigation. Several studies have attempted to produce functional RBC from CD34+ haematopoietic stem cells (HSC) isolated from peripheral blood and umbilical cord blood, from embryonic stem cells (ESC) and induced pluripotent stem cells (iPSC). A recent article published in Nature Communications describes a novel model for generating RBC from a stable erythroid cell line obtained from bone marrow CD34+ haematopoietic stem cells (HSC)...
2018: BMC Hematology
https://www.readbyqxmd.com/read/29759006/interplay-between-hypercholesterolaemia-and-inflammation-in-atherosclerosis-translating-experimental-targets-into-clinical-practice
#14
José Tuñón, Magnus Bäck, Lina Badimón, Marie-Luce Bochaton-Piallat, Bertrand Cariou, Mat J Daemen, Jesus Egido, Paul C Evans, Sheila E Francis, Daniel Fj Ketelhuth, Esther Lutgens, Christian M Matter, Claudia Monaco, Sabine Steffens, Erik Stroes, Cécile Vindis, Christian Weber, Imo E Hoefer
Dyslipidaemia and inflammation are closely interconnected in their contribution to atherosclerosis. In fact, low-density lipoprotein (LDL)-lowering drugs have anti-inflammatory effects. The Canakinumab Antiinflammatory Thrombosis Outcome Study (CANTOS) has shown that interleukin (IL)-1β blockade reduces the incidence of cardiovascular events in patients with previous myocardial infarction and C-reactive protein levels >2 mg/L. These data confirm the connection between lipids and inflammation, as lipids activate the Nod-like receptor protein 3 inflammasome that leads to IL-1β activation...
January 1, 2018: European Journal of Preventive Cardiology
https://www.readbyqxmd.com/read/29754175/stem-cell-therapies-for-neurodegenerative-diseases
#15
Kiminobu Sugaya, Manjusha Vaidya
Stem cell therapies have been proposed as a treatment option for neurodegenerative diseases, but the best stem cell source and therapeutic efficacy for neuroregeneration remain uncertain. Embryonic stem cells (ESCs) and neural stem cells (NSCs), which can efficiently generate neural cells, could be good candidates but they pose ethical and practical issues. Not only difficult to find the good source of those cells but also they alway pose immunorejection problem since they may not be an autologous cells. Even if we overcome the immunorejection problem, it has also been reported that transplantation of ESCs develop teratoma...
2018: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29749495/lin28a-inhibits-lysosome%C3%A2-associated-membrane-glycoprotein-1-protein-expression-in-embryonic-stem-and-bladder-cancer-cells
#16
Peng Pan, Ting Chen, Yanmin Zhang, Zhengyu Qi, Jie Qin, Guanghui Cui, Xin Guo
Tumor cells and embryonic stem cells (ESCs) have similar transcription mechanisms. LIN28A is an important factor in tumor cells and ESCs, it is an inhibitor of intracellular endoplasmic reticulum (ER)‑related protein translation in ESCs. The present study aimed to examine the effects of LIN28A on an ER‑related protein, lysosome‑associated membrane glycoprotein 1 (LAMP1), in human bladder cancer cells and mouse (m)ESCs, using reverse transcription‑quantitative polymerase chain reaction and western blotting to detect the expression of LAMP1 mRNA and protein, respectively, following LIN28A knockdown...
May 3, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29747607/-euphoria-or-only-teardrops-eurovision-song-contest-performance-life-satisfaction-and-suicide
#17
Filippos T Filippidis, Anthony A Laverty
BACKGROUND: The popularity of the Eurovision Song Contest (ESC) in Europe has been high for decades. We aimed to assess whether a country's performance in the ESC is associated with life satisfaction and suicide mortality in European countries. METHODS: We analysed nationally representative Eurobarometer survey data on life satisfaction from 33 European countries (N = 162,773) and country-level standardised suicide mortality data for years 2009 to 2015. The associations of winning the Contest, performing terribly, and higher final ranking with life satisfaction and suicide rates were all assessed...
May 11, 2018: BMC Public Health
https://www.readbyqxmd.com/read/29747586/selective-modulation-of-local-linkages-between-active-transcription-and-oxidative-demethylation-activity-shapes-cardiomyocyte-specific-gene-body-epigenetic-status-in-mice
#18
Mayumi Oda, Shunichi Wakabayashi, N Ari Wijetunga, Shinsuke Yuasa, Hirokazu Enomoto, Ruri Kaneda, Sung Han Yoon, Nishant Mittal, Qiang Jing, Masako Suzuki, John M Greally, Keiichi Fukuda, Shinji Makino
BACKGROUND: Cell-type-specific genes exhibit heterogeneity in genomic contexts and may be subject to different epigenetic regulations through different gene transcriptional processes depending on the cell type involved. The gene-body regions (GBRs) of some cardiomyocyte (CM)-specific genes are long and highly hypomethylated in CMs. To explore the cell-type specificities of epigenetic patterns and functions, multiple epigenetic modifications of GBRs were compared among CMs, liver cells and embryonic stem cells (ESCs)...
May 10, 2018: BMC Genomics
https://www.readbyqxmd.com/read/29743766/expert-consensus-document-on-management-of-st-elevation-myocardial-infarction-adaptation-of-2012-esc-guidelines
#19
Tiny Nair, Rajesh Agrawal, Sandeep Bansal, Anjanlal Dutta, Raja Ray, Saumitra Ray
In 2012, the European Society of Cardiology (ESC) guidelines provided recommendations on the management of ST-elevation myocardial infarction (STEMI). The recommendation from these guidelines is restricted to the European subcontinent. To adapt the updated recommendations for Indian subset of STEMI patients, a panel of experts in the management of STEMI provided their expert opinions. This document provides expert consensus on adapting 2012 ESC STEMI guidelines recommendations in Indian setting. Document also discussed "India-specific" relevant literature to support the consensus opinions provided in the management of STEMI...
April 2018: Indian Journal of Critical Care Medicine
https://www.readbyqxmd.com/read/29742439/norc-recruitment-by-h2a-x-deposition-at-rrna-gene-promoter-limits-embryonic-stem-cell-proliferation
#20
Boris Eleuteri, Sergi Aranda, Patrik Ernfors
Embryonic stem cells (ESCs) display an abbreviated cell cycle, resulting in a short doubling time and rapid proliferation. The histone variant H2A.X is critical for proliferation of stem cells, although mechanistic insights have remained obscure. Here, we show that H2A.X defines the rate of mouse ESC proliferation independently of the DNA damage response pathway, and it associates with three major chromatin-modifying complexes. Our functional and biochemical analyses demonstrate that H2A.X-associated factors mediate the H2A...
May 8, 2018: Cell Reports
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