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Cardiac differentiation

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https://www.readbyqxmd.com/read/29245046/physiological-and-self-report-responses-of-parents-of-children-with-autism-spectrum-disorder-to-children-crying
#1
Yagmur Ozturk, Andrea Bizzego, Gianluca Esposito, Cesare Furlanello, Paola Venuti
Little is known about the physiological response of parents of children with Autism Spectrum Disorder (ASD) to crying of children who have already received the diagnosis of ASD. This study aimed to compare cardiac dynamics via Inter-Beat Interval (IBI) and self-reported emotional states of parents of children with ASD and of parents with typically developing (TD) children while listening to crying of children with ASD (ASD cry) and of typically developing children (TD cry). Analyses revealed higher IBI in parents of children with ASD than IBI in parents of TD children while listening to both cry groups; however no differences on self-reported emotional states were observed...
December 12, 2017: Research in Developmental Disabilities
https://www.readbyqxmd.com/read/29245016/preferential-myofibroblast-differentiation-of-cardiac-mesenchymal-progenitor-cells-in-the-presence-of-atrial-fibrillation
#2
Elisa Gambini, Gianluca Lorenzo Perrucci, Beatrice Bassetti, Gabriella Spaltro, Giulia Campostrini, Maria Chiara Lionetti, Alberto Pilozzi, Federico Martinelli, Andrea Faruggia, Dario DiFrancesco, Andrea Barbuti, Giulio Pompilio
Atrial fibrillation (AF) is characterized by electrical, contractile, and structural remodeling mediated by interstitial fibrosis. It has been shown that human cardiac mesenchymal progenitor cells (CMPCs) can be differentiated into endothelial, smooth muscle, and fibroblast cells. Here, we have investigated, for the first time, the contribution of CMPCs in the fibrotic process occurring in AF. As expected, right auricolae samples displayed significantly higher fibrosis in AF vs control (CTR) patients. In tissue samples of AF patients only, double staining for c-kit and the myofibroblast marker α-smooth muscle actin (α-SMA) was detected...
November 27, 2017: Translational Research: the Journal of Laboratory and Clinical Medicine
https://www.readbyqxmd.com/read/29243066/serum-glucocorticoid-regulated-kinase-1-contributes-to-mechanical-stretch-induced-inflammatory-responses-in-cardiac-fibroblasts
#3
Wenqiang Gan, Tiegang Li, Jingyuan Ren, Chenghe Li, Ziliang Liu, Min Yang
Excessive mechanical stretch induces production of proinflammatory mediators in cardiac fibroblasts, which could act as inflammatory supporter cells in heart failure. Accumulation evidence and our previous studies suggest that serum-glucocorticoid-regulated kinase 1 (SGK1) contributes to cardiac remodeling and fibrosis, development of heart failure. However, the role and mechanism of SGK1 in mechanical stretch-induced inflammation of cardiac fibroblasts remain unclear. Here, cardiac fibroblasts isolated from wild-type (WT) and SGK1 knockout (SGK1-/-) mice were stimulated by 18% cyclic stretch, under static condition as the control...
December 14, 2017: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/29242982/-iron-a-miralcle-cure-for-chronic-cardiac-insufficiency
#4
REVIEW
Katrin Singler
Anemia and chronic heart failure are frequent comorbidities in geriatric patients. In approximately one third of older adults the cause of the anemia is an iron, vitamin B12 and/or folate deficiency and in another third a chronic inflammatory process is present. In the case of iron deficiency a differentiation must be made between the absolute and functional forms. Although in functional iron deficiency ferritin, as a parameter of iron metabolism, is within the normal range or can even be higher, an iron-deficient erythropoiesis is present...
December 14, 2017: Zeitschrift Für Gerontologie und Geriatrie
https://www.readbyqxmd.com/read/29241963/negative-pressure-wound-therapy-in-pediatric-surgery-how-and-when-to-use
#5
REVIEW
Lisieux Eyer de Jesus, Alana Bandeira Martins, Pablo Baptista Oliveira, Fernanda Gomes, Thais Leve, Samuel Dekermacher
INTRODUCTION: Negative pressure wound therapy (NPWT) has been widely adopted to treat laparostomy, abdominal compartment syndrome (ACS) and complicated wounds associated with tissue loss. The method presents specific aspects, advantages and indications in Pediatrics. Our aim is to review the evidence available about NPWT in children. METHODS: Active search for papers about NPWT in Pediatric patients. Papers referring to orthopedic problems, wound complications after Cardiac Surgery or burns were excluded...
November 21, 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/29240957/non-coding-rnas-in-cardiac-%C3%AF-brosis-emerging-biomarkers-and-therapeutic-targets
#6
Zhongxiu Chen, Chen Li, Ke Lin, Huawei Cai, Weiqiang Ruan, Junyang Han, Li Rao
Non-coding RNAs (ncRNAs) are a class of RNA molecules that do not encode proteins. ncRNAs are involved in cell proliferation, apoptosis, differentiation, metabolism, and other physiological processes as well as the pathogenesis of diseases. Cardiac fibrosis is increasingly recognized as a common final pathway in advanced heart diseases. Many studies have shown that the occurrence and development of cardiac fibrosis is closely related to the regulation of ncRNAs. This review will highlight recent updates regarding the involvement of ncRNAs in cardiac fibrosis, and their potential as emerging biomarkers and therapeutic targets...
December 14, 2017: Cardiology Journal
https://www.readbyqxmd.com/read/29240788/enhanced-heart-failure-mortality-and-renin-activation-in-female-mice-with-experimental-dilated-cardiomyopathy
#7
Ranjana Tripathi, Ryan Sullivan, Tai-Hwang M Fan, Dong Wang, Yao Sun, Guy L Reed, Inna P Gladysheva
Dilated cardiomyopathy (DCM) is the major cause of heart failure affecting both women and men. Limited clinical studies show conflicting data in sex-related differences in the progression of dilated cardiomyopathy and heart failure (HF) outcomes. We examined the comparative sex-related progression of cardiomyopathy and the development of HF (at 4, 7, 13 weeks of age) in a well-established, transgenic mouse model of DCM that recapitulates the progressive stages of human HF. By 13 weeks of age, female mice with DCM had more severe left ventricular systolic dysfunction, left ventricular dilation and wall thinning (P<0...
2017: PloS One
https://www.readbyqxmd.com/read/29239459/ischemic-left-ventricle-systolic-dysfunction-an-evidence-based-approach-in-diagnostic-tools-and-therapeutics
#8
Eduardo Gomes Lima, Felipe Pereira Câmara de Carvalho, Jaime Paula Pessoa Linhares Filho, Fabio Grunspun Pitta, Carlos Vicente Serrano
Coronary artery disease (CAD) associated with left ventricular systolic dysfunction is a condition related to poor prognosis. There is a lack of robust evidence in many aspects related to this condition, from definition to treatment. Ischemic cardiomyopathy is a spectrum ranging from stunned myocardium associated with myocardial fibrosis to hibernating myocardium and repetitive episodes of ischemia. In clinical practice, relevance lies in identifying the myocardium that has the ability to recover its contractile reserve after revascularization...
September 2017: Revista da Associação Médica Brasileira
https://www.readbyqxmd.com/read/29239349/influences-of-ivabradine-treatment-on-serum-levels-of-cardiac-biomarkers-sst2-gdf-15-supar-and-h-fabp-in-patients-with-chronic-heart-failure
#9
Peter Jirak, Dzeneta Fejzic, Vera Paar, Bernhard Wernly, Rudin Pistulli, Ilonka Rohm, Christian Jung, Uta C Hoppe, P Christian Schulze, Michael Lichtenauer, Atilla Yilmaz, Daniel Kretzschmar
Chronic heart failure (CHF) represents a major cause of hospitalization and death. Recent evidence shows that novel biomarkers such as soluble suppression of tumorigenicity (sST2), growth-differentiation factor-15 (GDF-15), soluble urokinase plasminogen activator receptor (suPAR) and heart-type fatty acid binding protein (H-FABP) are correlated with inflammatory and ischemic responses in CHF patients. In this study we examined the effects of Ivabradine that inhibited the hyperpolarization-activated cyclic nucleotide-gated channel (HCN channel, also called funny current If), thereby leading to selective heart rate reduction and improved myocardial oxygen supply on the cardiac biomarkers sST2, GDF-15, suPAR and H-FABP in 50 CHF patients at the University Hospital of Jena...
December 14, 2017: Acta Pharmacologica Sinica
https://www.readbyqxmd.com/read/29239022/fndc5-knockdown-induced-suppression-of-mitochondrial-integrity-and-significantly-decreased-cardiac-differentiation-of-mouse-embryonic-stem-cells
#10
Shima Nazem, Farzaneh Rabiee, Kmaran Ghaedi, Sadegh Babashah, Majid Sadeghizadeh, Mohammad Hossein Nasr-Esfahani
Fibronectin type III domain-containing 5 protein (Fndc5) is a glycosylated protein with elevated expression in high energy demanded tissues as heart, brain and muscle. It has been shown that upregulation of Fndc5 is regulated by peroxisome proliferator-activated receptor-γ coactivator-1 alpha (PGC-1α), which is known as a master regulator of mitochondrial function and biogenesis. Also, our group indicated that Fndc5 expression increases gradually during cardiac differentiation of mouse embryonic stem cells (mESCs)...
December 13, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29236275/multidisciplinary-management-of-a-giant-cervico-mediastinal-liposarcoma-a-case-report-and-literature-review
#11
Andrea Galli, Leone Giordano, Piergiorgio Muriana, Alessandro Bandiera, Giampiero Negri, Piero Zannini, Mario Bussi
Liposarcomas are rare mesenchymal tumors that usually develop in lower extremities or retroperitoneum; cervico-mediastinal presentation is quite uncommon. These neoplasms are commonly diagnosed at a late stage because they remain asymptomatic until nearby structures are compressed. This makes radical excision particularly challenging. To date, alternative chemoradiotherapy protocols have not yet been standardized. We report a case of a 55-year-old man with a right laterocervical mass and without substantial symptoms...
December 2017: Ear, Nose, & Throat Journal
https://www.readbyqxmd.com/read/29235444/contact-guidance-for-cardiac-tissue-engineering-using-3d-bioprinted-gelatin-patterned-hydrogel
#12
Ajay Tijore, Scott Alexander Irvine, Udi Sarig, Priyadarshini Mhaisalkar, Vrushali Baisane, Subbu S Venkatraman
Here, we have developed a 3D bioprinted microchanneled gelatin hydrogel that promotes human mesenchymal stem cell (hMSC) myocardial commitment and supports native cardiomyocytes (CMs) contractile functionality. Firstly, we studied the effect of bioprinted microchanneled hydrogel on the alignment, elongation, and differentiation of hMSC. Notably, the cells displayed well defined F-actin anisotropy and elongated morphology on the microchanneled hydrogel, hence showing the effects of topographical control over cell behavior...
December 13, 2017: Biofabrication
https://www.readbyqxmd.com/read/29233823/large-cardiac-muscle-patches-engineered-from-human-induced-pluripotent-stem-cell-derived-cardiac-cells-improve-recovery-from-myocardial-infarction-in-swine
#13
Ling Gao, Zachery R Gregorich, Wuqiang Zhu, Saidulu Mattapally, Yasin Oduk, Xi Lou, Ramaswamy Kannappan, Anton V Borovjagin, Gregory P Walcott, Andrew E Pollard, Vladimir G Fast, Xinyang Hu, Steven G Lloyd, Ying Ge, Jianyi Zhang
Background -Here, we generated human cardiac muscle patches (hCMPs) of clinically relevant dimensions (4 cm × 2 cm × 1.25 mm) by suspending cardiomyocytes, smooth-muscle cells, and endothelial cells that had been differentiated from human induced-pluripotent stem cells (hiPSCs) in a fibrin scaffold and then culturing the construct on a dynamic (rocking) platform. Methods -In vitro assessments of hCMPs suggest maturation in response to dynamic culture stimulation. In vivo assessments were conducted in a porcine model of myocardial infarction (MI)...
December 12, 2017: Circulation
https://www.readbyqxmd.com/read/29233682/potential-role-of-mg53-in-the-regulation-of-transforming-growth-factor-%C3%AE-1-induced-atrial-fibrosis-and-vulnerability-to-atrial-fibrillation
#14
Jingwen Guo, Fengpeng Jia, Yingjiu Jiang, Qiang Li, Yucheng Yang, Minghan Xiao, Hua Xiao
Atrial fibrosis plays a critical role in atrial fibrillation (AF) by the transforming growth factor (TGF)-β1/Smad pathway. The disordered differentiation, proliferation, migration and collagen deposition of atrial fibroblasts play significant roles in atrial fibrosis. Mitsugumin (MG)53 is predominantly expressed in myocardium of rodents and has multiple biological functions. However, the role of MG53 in cardiac fibrosis remains unclear. This study provided clinical and experimental evidence for the involvement of MG53 in atrial fibrosis in humans and atrial fibrosis phenotype in cultured rat atrial fibroblasts...
December 9, 2017: Experimental Cell Research
https://www.readbyqxmd.com/read/29233098/intractable-ascites-associated-with-mycophenolate-in-a-simultaneous-kidney-pancreas-transplant-patient-a-case-report
#15
Nina T Weber, Ali Sigaroudi, Alexander Ritter, Andreas Boss, Kuno Lehmann, David Goodman, Stefan Farese, Stefan Weiler, Thomas F Mueller
BACKGROUND: Mycophenolic acid (MPA), either given as an ester pro-drug or as an enteric-coated sodium salt, is the most commonly prescribed anti-proliferative immunosuppressive agent used following organ transplantation and widely applied in immune-mediated diseases. Clinicians are well aware of common adverse reactions related to MPA treatment, in particular diarrhea, leukopenia and infections. Here we report a case of severe, persistent ascites associated with MPA treatment. The otherwise unexplained and intractable ascites, requiring repeated paracenteses for more than 8 months, rapidly ceased with stopping the MPA treatment...
December 12, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/29233068/altered-functional-expression-of-%C3%AE-adrenergic-receptors-in-rhesus-monkey-embryonic-stem-cell-derived-cardiomyocytes
#16
Nermeen Ahmed Mohamed Eldabah, Erastus Nembu Nembo, Judith Semmler, Marina Penner, Marek Molcanyi, Rania Swelem, Amina Hassab, Juergen Hescheler, Filomain Nguemo
Pluripotent stem cells have demonstrated the potential to generate large numbers of functional cardiomyocytes (CMs) from different cell sources. Besides Wnt signaling, additional pathways are involved in early cardiac development and function. To date however, no study exists showing the effects of perturbing the canonical Wnt pathway using non-human primate embryonic stem (ES) cells. Here we investigated the effect of canonical Wnt inhibition during differentiation of non-human primate ES cell-derived CMs under defined, growth factors conditions...
December 12, 2017: Stem Cells and Development
https://www.readbyqxmd.com/read/29232369/accelerated-decline-in-cardiac-stem-cell-efficiency-in-spontaneously-hypertensive-rat-compared-to-normotensive-wistar-rat
#17
Sherin Saheera, Renuka R Nair
Cardiac hypertrophy is recognized as an independent risk factor for cardiac failure. Efficient management of hypertensive heart disease requires identification of factors that can possibly mediate the transition from hypertrophy to failure. Resident cardiac stem cells have a prominent role in the maintenance of cardiac tissue homeostasis. Decline in the proportion of healthy cardiac stem cells (CSCs) can affect tissue regeneration. In pathological conditions, apart from natural aging, an adverse microenvironment can lead to decrease in efficiency of CSCs...
2017: PloS One
https://www.readbyqxmd.com/read/29232368/ascorbic-acid-promotes-cardiomyogenesis-through-smad1-signaling-in-differentiating-mouse-embryonic-stem-cells
#18
Maria Grazia Perino, Satoshi Yamanaka, Daniel R Riordon, Yelena Tarasova, Kenneth R Boheler
Numerous groups have documented that Ascorbic Acid (AA) promotes cardiomyocyte differentiation from both mouse and human ESCs and iPSCs. AA is now considered indispensable for the routine production of hPSC-cardiomyocytes (CMs) using defined media; however, the mechanisms involved with the inductive process are poorly understood. Using a genetically modified mouse embryonic stem cell (mESC) line containing a dsRED transgene driven by the cardiac-restricted portion of the ncx1 promoter, we show that AA promoted differentiation of mESCs to CMs in a dose- and time-dependent manner...
2017: PloS One
https://www.readbyqxmd.com/read/29231910/-clinical-pictures-of-borreliosis
#19
EDITORIAL
Tadeusz Płusa
Lyme disease occurs in a variety of clinical manifestations, ranging from skin lesions, through musculoskeletal, neurological, and cardiac syndrome, to severe irreversible lesions. Borrelia burgdorferi's organotropy has an impact on the development of the disease. In initial management, it is important to implement effective treatment to prevent further progression of infection. Dominant skin lesions should be differentiated in detail. In the form of disseminated disease complex of clinical syndromes is observed but it requires of confirmation in immunoassays...
November 23, 2017: Polski Merkuriusz Lekarski: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/29231167/glucose-inhibits-cardiac-muscle-maturation-through-nucleotide-biosynthesis
#20
Haruko Nakano, Itsunari Minami, Daniel Braas, Herman Pappoe, Xiuju Wu, Addelynn Sagadevan, Laurent Vergnes, Kai Fu, Marco Morselli, Christopher Dunham, Xueqin Ding, Adam Z Stieg, James K Gimzewski, Matteo Pellegrini, Peter M Clark, Karen Reue, Aldons J Lusis, Bernard Ribalet, Siavash K Kurdistani, Heather Christofk, Norio Nakatsuji, Atsushi Nakano
The heart switches its energy substrate from glucose to fatty acids at birth, and maternal hyperglycemia is associated with congenital heart disease. However, little is known about how blood glucose impacts heart formation. Using a chemically defined human pluripotent stem-cell-derived cardiomyocyte differentiation system, we found that high glucose inhibits the maturation of cardiomyocytes at genetic, structural, metabolic, electrophysiological, and biomechanical levels by promoting nucleotide biosynthesis through the pentose phosphate pathway...
December 12, 2017: ELife
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