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fetal cardiac disease

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https://www.readbyqxmd.com/read/28544620/phenotyping-cardiac-and-structural-birth-defects-in-fetal-and-newborn-mice
#1
REVIEW
Xiaoqin Liu, Andrew J Kim, William Reynolds, Yijen Wu, Cecilia W Lo
Mouse models are invaluable for investigating the developmental etiology and molecular pathogenesis of structural birth defects. While this has been deployed for studying a wide spectrum of birth defects, mice are particularly valuable for modeling congenital heart disease, given they have the same four-chamber cardiac anatomy as in humans. We have developed the use of noninvasive fetal ultrasound together with micro-computed tomography (micro-CT) imaging for high throughput phenotyping of mice for congenital heart defects (CHD) and other developmental anomalies...
May 22, 2017: Birth Defects Res
https://www.readbyqxmd.com/read/28539207/effect-of-maternal-age-and-cardiac-disease-severity-on-outcome-of-pregnancy-in-women-with-congenital-heart-disease
#2
Eva Furenäs, Peter Eriksson, Ulla-Britt Wennerholm, Mikael Dellborg
BACKGROUND: There is an increasing prevalence of women with congenital heart defects reaching childbearing age. In western countries women tend to give birth at a higher age compared to some decades ago. We evaluated the CARdiac disease in PREGnancy (CARPREG) and modified World Health Organization (mWHO) risk classifications for cardiac complications during pregnancies in women with congenital heart defects and analyzed the impact of age on risk of obstetric and fetal outcome. METHODS: A single-center observational study of cardiac, obstetric, and neonatal complications with data from cardiac and obstetric records of pregnancies in women with congenital heart disease...
May 1, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28529939/naturally-engineered-maturation-of-cardiomyocytes
#3
REVIEW
Gaetano J Scuderi, Jonathan Butcher
Ischemic heart disease remains one of the most prominent causes of mortalities worldwide with heart transplantation being the gold-standard treatment option. However, due to the major limitations associated with heart transplants, such as an inadequate supply and heart rejection, there remains a significant clinical need for a viable cardiac regenerative therapy to restore native myocardial function. Over the course of the previous several decades, researchers have made prominent advances in the field of cardiac regeneration with the creation of in vitro human pluripotent stem cell-derived cardiomyocyte tissue engineered constructs...
2017: Frontiers in Cell and Developmental Biology
https://www.readbyqxmd.com/read/28511860/first-trimester-fetal-echocardiography-identification-of-cardiac-structures-for-screening-from-6-to-13%C3%A2-weeks-gestational-age
#4
Darren Hutchinson, Angela McBrien, Lisa Howley, Yuka Yamamoto, Priya Sekar, Tarek Motan, Venu Jain, Winnie Savard, Lisa K Hornberger
BACKGROUND: Early fetal echocardiography (FE), performed at 12 to 16 weeks' gestational age (GA), can be used to screen for fetal heart disease akin to that routinely performed in the second trimester. The efficacy of FE at earlier GAs has not been as well explored, particularly with recent advances in ultrasound technology. The aim of this study was to evaluate the efficacy of early FE in assessing fetal heart structure, and the added benefit of color Doppler (CD), from as early as 6 weeks through to 13(+6) weeks' GA...
May 13, 2017: Journal of the American Society of Echocardiography
https://www.readbyqxmd.com/read/28509990/transient-activation-of-reprogramming-transcription-factors-using-protein-transduction-facilitates-conversion-of-human-fibroblasts-toward-cardiomyocyte-like-cells
#5
Zaniar Ghazizadeh, Hassan Rassouli, Hananeh Fonoudi, Mehdi Alikhani, Mahmood Talkhabi, Amir Darbandi-Azar, Shuibing Chen, Hossein Baharvand, Nasser Aghdami, Ghasem Hosseini Salekdeh
Derivation of cardiomyocytes directly from patients' own fibroblasts could offer a new therapeutic approach for those with ischemic heart disease. An essential step toward clinical application is to establish safe conversion of human fibroblasts into a cardiac fate. Here we aimed to efficiently and safely generate cardiomyocytes from human fibroblasts by direct delivery of reprogramming recombinant cell permeant form of reprogramming proteins followed by cardio-inductive signals. Human fetal and adult fibroblasts were transiently exposed to transactivator of transcription-fused recombinant OCT4, SOX2, KLF4 and c-MYC for 2 weeks and then were directly differentiated toward protein-induced cardiomyocyte-like cells (p-iCLCs) in a cardiac fate niche, carried out by treatment with a set of cardiogenic small molecules (sequential treatment of Chir, and IWP-2, SB431542 and purmorphamine)...
May 16, 2017: Molecular Biotechnology
https://www.readbyqxmd.com/read/28498066/atrial-fibrillation-in-pregnancy-a-growing-challenge
#6
Vasiliki Katsi, Georgios Georgiopoulos, Maria Marketou, Dimitrios Oikonomou, Fragiskos Parthenakis, Thomas Makris, Petros Nihoyannopoulos, P Vardas, Dimitris Tousoulis
Atrial fibrillation (AF) constitutes a relatively infrequent pregnancy complication, which may be a therapeutic Gordian knot. Indeed, sparse data exist regarding the prevalence, prognosis and management of AF during pregnancy. In general, AF occurs as a benign, self-limited arrhythmia but occasionally may have severe hemodynamic consequences in pregnant patients suffering from heart failure, congenital heart disease, or other comorbidities. Extra-cardiac causes of AF should always be meticulously excluded. Treatment decisions are difficult, since medications may cross placental barrier and potentially affect fetal growth and organogenesis or even result in fetal bradyarrhythmias...
May 12, 2017: Current Medical Research and Opinion
https://www.readbyqxmd.com/read/28479722/influence-of-capsaicin-on-inflammatory-cytokines-induced-by-lipopolysaccharide-in-myoblast-cells-under-in-vitro-environment
#7
Ke Shang, Touseef Amna, Musarat Amina, Nawal M Al-Musayeib, Salem S Al-Deyab, Inho Hwang
BACKGROUND: ellular damage initiated by reactive oxygen species (ROS) is the main cause of numerous severe diseases and therefore for this reason, the natural antioxidants have note worthy significance in human health. Capsaicin possesses noteworthy analgesic and anti-inflammatory properties. It also possesses healing effects for treatment of arthritis, diabetic neuropathy, gastric lesions, and cardiac excitability that is why it is incorporated in creams and gels. OBJECTIVE: The present study was carried out to estimate the in vitro antioxidant and ROS scavenging activities of capsaicin against muscle precursor cells...
January 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/28464439/label-free-imaging-of-healthy-and-infarcted-fetal-sheep-hearts-by-two-photon-microscopy
#8
Alexandra Sorvina, Christie A Bader, Mitchell C Lock, Douglas A Brooks, Janna L Morrison, Sally E Plush
Coronary heart disease is one of the largest causes of death worldwide, making this a significant health care issue. A critical problem for the adult human heart is that it does not undergo effective repair in response to damage, leaving patients with a poor prognosis. Unlike the adult, fetal hearts have the ability to repair after myocardial damage. Using two-photon microscopy, we have visualised the morphological and metabolic changes following myocardial infarction in sheep fetuses, to characterise response to cardiac injury in a mammalian model...
May 2, 2017: Journal of Biophotonics
https://www.readbyqxmd.com/read/28455512/systematic-identification-and-characterization-of-cardiac-long-intergenic-noncoding-rnas-in-zebrafish
#9
Lei Wang, Xiao Ma, Xiaolei Xu, Yuji Zhang
Long intergenic noncoding RNAs (lincRNAs) are increasingly recognized as potential key regulators of heart development and related diseases, but their identities and functions remain elusive. In this study, we sought to identify and characterize the cardiac lincRNA transcriptome in the experimentally accessible zebrafish model by integrating bioinformatics analysis with experimental validation. By conducting genome-wide RNA sequencing profiling of zebrafish embryonic hearts, adult hearts, and adult muscle, we generated a high-confidence set of 813 cardiac lincRNA transcripts, 423 of which are novel...
April 28, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28455218/age-dependent-functional-crosstalk-between-cardiac-fibroblasts-and-cardiomyocytes-in-a-3d-engineered-cardiac-tissue
#10
Yanzhen Li, Huda Asfour, Nenad Bursac
Complex heterocellular interactions between cardiomyocytes and fibroblasts in the heart involve their bidirectional signaling via cell-cell contacts, paracrine factors, and extracellular matrix (ECM). These interactions vary with heart development and pathology leading to changes in cardiac structure and function. Whether cardiac fibroblasts of different ages interact differentially with cardiomyocytes to distinctly impact their function remains unknown. Here, we explored the direct structural and functional effects of fetal and adult cardiac fibroblasts on cardiomyocytes using a tissue-engineered 3D co-culture system...
April 25, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28437575/the-24-segment-sphericity-index-a-new-technique-to-evaluate-fetal-cardiac-diastolic-shape
#11
Greggory R DeVore, Berthold Klas, Gary Satou, Mark Sklansky
INTRODUCTION: Because of parallel circulation in the fetus and the differential effect various disease states may have on the shape of the right and left ventricles, this study was conducted to evaluate the Sphericity Index (SI) of 24 transverse segments distributed from the base to the apex of the ventricular chambers. METHODS: Two hundred control fetuses were examined between 20 and 40 weeks of gestation. The displacement of the ventricular endocardium during the cardiac cycle was computed using offline software...
April 24, 2017: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28426617/clinical-updates-in-women-s-health-care-summary-arrhythmias-primary-and-preventive-care-review
#12
Brittany S Fuller, Michele D Voeltz
Obstetrician-gynecologists often are the sole providers of health care to female patients. Because cardiovascular disease is the leading cause of death in women in the United States, obstetrician- gynecologists must be aware of the risk factors, symptoms, and signs of cardiovascular disease and arrhythmia. Furthermore, they must be prepared to identify and treat common types of arrhythmia in this population and refer patients to cardiology for specialized care. Understanding the role of pregnancy among women with arrhythmia is critically important to optimize both maternal and fetal outcomes...
May 2017: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28425976/prenatal-exposure-to-a-maternal-high-fat-diet-affects-histone-modification-of-cardiometabolic-genes-in-newborn-rats
#13
Bijaya Upadhyaya, Tricia Larsen, Shivon Barwari, Eli J Louwagie, Michelle L Baack, Moul Dey
Infants born to women with diabetes or obesity are exposed to excess circulating fuels during fetal heart development and are at higher risk of cardiac diseases. We have previously shown that late-gestation diabetes, especially in conjunction with a maternal high-fat (HF) diet, impairs cardiac functions in rat-offspring. This study investigated changes in genome-wide histone modifications in newborn hearts from rat-pups exposed to maternal diabetes and HF-diet. Chromatin-immunoprecipitation-sequencing revealed a differential peak distribution on gene promoters in exposed pups with respect to acetylation of lysines 9 and 14 and to trimethylation of lysines 4 and 27 in histone H3 (all, false discovery rate, FDR < 0...
April 20, 2017: Nutrients
https://www.readbyqxmd.com/read/28424591/bcl11b-a-critical-neurodevelopmental-transcription-factor-roles-in-health-and-disease
#14
REVIEW
Matthew J Lennon, Simon P Jones, Michael D Lovelace, Gilles J Guillemin, Bruce J Brew
B cell leukemia 11b (Bcl11b) is a zinc finger protein transcription factor with a multiplicity of functions. It works as both a genetic suppressor and activator, acting directly, attaching to promoter regions, as well as indirectly, attaching to promoter-bound transcription factors. Bcl11b is a fundamental transcription factor in fetal development, with important roles for the differentiation and development of various neuronal subtypes in the central nervous system (CNS). It has been used as a specific marker of layer V subcerebral projection neurons as well as striatal interneurons...
2017: Frontiers in Cellular Neuroscience
https://www.readbyqxmd.com/read/28416208/fetal-and-perinatal-stem-cells-in-cardiac-regeneration-moving-forward-to-the-paracrine-era
#15
C Balbi, S Bollini
Cardiovascular disease (CD) is a major burden for Western society. Regenerative medicine has provided encouraging results, yet it has not addressed the focal defects causing CD and mainly related to the inefficient repair programme of the heart. In this scenario, stem cells have been broadly investigated and their paracrine effect proposed as a possible working strategy to boost endogenous mechanisms of repair and regeneration from within the cardiac tissue. The scientific community is now focusing on identifying the most effective stem cell secretome, as the whole of bioactive factors and extracellular vesicles secreted by stem cells and endowed with regenerative potential...
April 12, 2017: Placenta
https://www.readbyqxmd.com/read/28416028/attitudes-and-perceptions-of-pregnant-women-with-chd-results-of-a-single-site-survey
#16
Aarthi Sabanayagam, David Briston, Ali N Zaidi
Introduction CHD occurs in about 1% of the United States population, and is now the most common cardiac condition affecting women during pregnancy. METHODS: An anonymous, single-site, cross-sectional, 50-question survey was performed at a national Adult Congenital Heart Disease conference to assess the level of knowledge, attitudes, and perceptions regarding cardiac care during pregnancy in women with CHD. RESULTS: A total of 77 women completed the survey. Among them, 50% (n=39) had moderate and 38% (n=29) had severely complex disease; 30% (n=23) of women were told that pregnancy was contraindicated given their underlying cardiac condition...
April 18, 2017: Cardiology in the Young
https://www.readbyqxmd.com/read/28412849/maternal-hemodynamic-changes-and-predictors-of-poor-obstetric-outcome-in-women-with-rheumatic-heart-disease-a-five-year-observational-study
#17
Mohamed Rezk, Osama Elkelani, Abdelhamid Shaheen, Awni Gamal, Hassan Badr
OBJECTIVE: to assess prospectively the maternal cardiovascular hemodynamic changes and obstetric outcome in women with rheumatic heart disease (RHD) and to detect predictors of poor outcome. METHODS: This prospective observational study included 204 pregnant patients with RHD who were divided into two groups; successful pregnancy group with living fetus (n = 126) and poor obstetric outcome group with fetal or neonatal loss (n = 78). Hemodynamic changes, maternal and fetal outcome were assessed and recorded...
April 16, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28410946/right-atrial-dysfunction-in-the-fetus-with-severely-regurgitant-tricuspid-valve-disease-a-potential-source-of-cardiovascular-compromise
#18
Lisa W Howley, Nee Scze Khoo, Anita J Moon-Grady, Sonali S Patel, Fayeza Alrais, Wayne Tworetzky, Timothy Colen, Paul Brooks, Jean Trines, Tiina Ojala, Lisa K Hornberger
BACKGROUND: In severe right heart obstruction (RHO), redistribution of cardiac output to the left ventricle (LV) is well tolerated by the fetal circulation. Although the same should be true of severely regurgitant tricuspid valve disease (rTVD) with reduced or no output from the right ventricle, affected fetuses more frequently develop hydrops or suffer intrauterine demise. We hypothesized that right atrium (RA) function is altered in rTVD but not in RHO, which could contribute to differences in outcomes...
April 11, 2017: Journal of the American Society of Echocardiography
https://www.readbyqxmd.com/read/28393272/heterozygous-hnrnpu-variants-cause-early-onset-epilepsy-and-severe-intellectual-disability
#19
Nuria C Bramswig, Hermann-Josef Lüdecke, Fadi F Hamdan, Janine Altmüller, Filippo Beleggia, Nursel H Elcioglu, Catharine Freyer, Erica H Gerkes, Yasemin Kendir Demirkol, Kelly G Knupp, Alma Kuechler, Yun Li, Daniel H Lowenstein, Jacques L Michaud, Kristen Park, Alexander P A Stegmann, Hermine E Veenstra-Knol, Thomas Wieland, Bernd Wollnik, Hartmut Engels, Tim M Strom, Tjitske Kleefstra, Dagmar Wieczorek
Pathogenic variants in genes encoding subunits of the spliceosome are the cause of several human diseases, such as neurodegenerative diseases. The RNA splicing process is facilitated by the spliceosome, a large RNA-protein complex consisting of small nuclear ribonucleoproteins (snRNPs), and many other proteins, such as heterogeneous nuclear ribonucleoproteins (hnRNPs). The HNRNPU gene (OMIM *602869) encodes the heterogeneous nuclear ribonucleoprotein U, which plays a crucial role in mammalian development. HNRNPU is expressed in the fetal brain and adult heart, kidney, liver, brain, and cerebellum...
April 9, 2017: Human Genetics
https://www.readbyqxmd.com/read/28377476/incidence-and-predictors-of-obstetric-and-fetal-complications-in-women-with-structural-heart-disease
#20
Iris M van Hagen, Jolien W Roos-Hesselink, Valentina Donvito, Csilla Liptai, Marielle Morissens, Daniel J Murphy, Laura Galian, Nooshin Mohd Bazargani, Jérôme Cornette, Roger Hall, Mark R Johnson
OBJECTIVE: Women with cardiac disease becoming pregnant have an increased risk of obstetric and fetal events. The aim of this study was to study the incidence of events, to validate the modified WHO (mWHO) risk classification and to search for event-specific predictors. METHODS: The Registry Of Pregnancy And Cardiac disease is a worldwide ongoing prospective registry that has enrolled 2742 pregnancies in women with known cardiac disease (mainly congenital and valvular disease) before pregnancy, from January 2008 up to April 2014...
April 4, 2017: Heart: Official Journal of the British Cardiac Society
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