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Developmental Medicine

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https://www.readbyqxmd.com/read/28733351/multi-cellular-transcriptional-analysis-of-mammalian-heart-regeneration
#1
Gregory A Quaife-Ryan, Choon Boon Sim, Mark Ziemann, Antony Kaspi, Haloom Rafehi, Mirana Ramialison, Assam El-Osta, James E Hudson, Enzo R Porrello
Background -The inability of the adult mammalian heart to regenerate following injury represents a major barrier in cardiovascular medicine. In contrast, the neonatal mammalian heart retains a transient capacity for regeneration, which is lost shortly after birth. Defining the molecular mechanisms that govern regenerative capacity in the neonatal period remains a central goal in cardiac biology. Here, we assemble a transcriptomic framework of multiple cardiac cell populations during postnatal development and following injury, which enables comparative analyses of the regenerative (neonatal) versus non-regenerative (adult) state for the first time...
July 21, 2017: Circulation
https://www.readbyqxmd.com/read/28731336/triple-reuptake-inhibitors-as-potential-therapeutics-for-depression-and-other-disorders-design-paradigm-and-developmental-challenges
#2
Murugaiah A M Subbaiah
Although first-line antidepressants offer therapeutic benefit, about 35% of depressed patients are not adequately treated, creating a large unmet medical need. These medicines mostly enhance the synaptic levels of serotonin and/or norepinephrine. Evidence from preclinical and clinical studies implicate dopamine hypofunction in the pathophysiology of depression. Triple reuptake inhibitors (TRIs), which elevate dopamine in addition to serotonin and norepinephrine, may demonstrate greater efficacy, with the reversal of anhedonia and improved tolerability...
July 21, 2017: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28726807/when-genotype-is-not-predictive-of-phenotype-implications-for-genetic-counseling-based-on-21-594-chromosomal-microarray-analysis-examinations
#3
Idit Maya, Reuven Sharony, Shiri Yacobson, Sarit Kahana, Josepha Yeshaya, Tamar Tenne, Ifaat Agmon-Fishman, Lital Cohen-Vig, Yael Goldberg, Racheli Berger, Lina Basel-Salmon, Mordechai Shohat
PurposeTo compare the frequency of copy-number variants (CNVs) of variable penetrance in low-risk and high-risk prenatal samples and postnatal samples.MethodsTwo cohorts were categorized according to chromosomal microarray analysis (CMA) indication: group I, low-risk prenatal-women with uneventful pregnancy (control group); group II, high-risk prenatal-women whose fetuses had congenital malformations; and group III, postnatal-individuals with unexplained developmental delay/intellectual disability, autism spectrum disorders, or multiple congenital anomalies...
July 20, 2017: Genetics in Medicine: Official Journal of the American College of Medical Genetics
https://www.readbyqxmd.com/read/28720793/genome-wide-identification-and-characterization-of-natural-antisense-transcripts-by-strand-specific-rna-sequencing-in-ganoderma-lucidum
#4
Junjie Shao, Haimei Chen, Dan Yang, Mei Jiang, Hui Zhang, Bin Wu, Jianqin Li, Lichai Yuan, Chang Liu
Ganoderma lucidum is a white-rot fungus best-known for its medicinal and ligninolytic activities. To discover the underlying genes responsible for these activities, we identified and characterized the natural antisense transcripts (NATs) using strand-specific (ss) RNA-seq data obtained from the mycelia, primordia and fruiting bodies. NATs were identified using a custom pipeline and then subjected to functional enrichment and differential expression analyses. A total of 1613 cis- and 244 trans- sense and antisense transcripts were identified...
July 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28718902/pluripotent-stem-cell-based-platforms-in-cardiac-disease-modeling-and-drug-testing
#5
N Shaheen, A Shiti, L Gepstein
The ability to generate patient/disease-specific human pluripotent stem cell (hPSC)-derived cardiomyocytes (hPSC-CMs) brings a unique value to the fields of cardiac disease modeling, drug testing, drug discovery, and precision medicine. Further integration of emerging innovative technologies such as developmental-biology inspired differentiation into chamber-specific cardiomyocyte subtypes, genome-editing, tissue-engineering, and novel functional phenotyping methodologies should facilitate even more advanced investigations...
August 2017: Clinical Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28717517/knowledge-mapping-visualization-analysis-of-the-military-health-and-medicine-papers-published-in-the-web-of-science-over-the-past-10%C3%A2-years
#6
Xuan-Ming Zhang, Xuan Zhang, Xu Luo, Hai-Tao Guo, Li-Qun Zhang, Ji-Wei Guo
BACKGROUND: Military medicine is a research field that seeks to solve the medical problems that occur in modern war conditions based on public medicine theory. METHODS: We explore the main research topics of military health and medical research in the web of science™ core collection (WoSCC) from 2007 to 2016, and the goal of this work is to serve as a reference for orientation and development in military health and medicine. Based on CiteSpace III, a reference co-citation analysis is performed for 7921 papers published in the WoSCC from 2007 to 2016...
2017: Military Medical Research
https://www.readbyqxmd.com/read/28707964/roles-of-diffusion-dynamics-in-stem-cell-signaling-and-three-dimensional-tissue-development
#7
Richard J McMurtrey
Recent advancements in the ability to construct three-dimensional (3D) tissues and organoids from stem cells and biomaterials have not only opened abundant new research avenues in disease modeling and regenerative medicine but also have ignited investigation into important aspects of molecular diffusion in 3D cellular architectures. This paper describes fundamental mechanics of diffusion with equations for modeling these dynamic processes under a variety of scenarios in 3D cellular tissue constructs. The effects of these diffusion processes and resultant concentration gradients are described in the context of the major molecular signaling pathways in stem cells that both mediate and are influenced by gas and nutrient concentrations, including how diffusion phenomena can affect stem cell state, cell differentiation, and metabolic states of the cell...
July 14, 2017: Stem Cells and Development
https://www.readbyqxmd.com/read/28701011/action-plan-for-prolongation-of-nephrogenesis-in-preterm-and-growth-restricted-babies-explore-ultrastructure-of-the-nephrogenic-zone-identify-a-molecular-target-select-a-viable-drug-and-find-a-path-for-administration
#8
Will W Minuth
A large amount of investigations informs about primary steps of mammalian kidney development such as anlage of the organ and initial nephron formation, while only few data exists about the late phase of human kidney development. In particular, little attention was up to date addressed to the decrease of morphogenic activity in the nephrogenic zone short before birth and the vanishing of all stem cell niches aligned beyond the organ capsule. There is evidence that molecular controlling of this normal but degenerative developmental process also plays a decisive role in the kidneys of preterm and growth restricted babies...
July 12, 2017: Drug Research
https://www.readbyqxmd.com/read/28698706/personhood-status-of-the-human-zygote-embryo-fetus
#9
John Janez Miklavcic, Paul Flaman
The fields of biology, medicine, and embryology have described the developmental milestones of humans throughout gestation in great detail. It is less clear as to when humans are recognized as people, persons, or beings with rights that are protected by legislation. The practice of law is irrevocably intertwined with that of ethical conduct; and the time at which a human life is considered a person has implications that extend to health care, legislation on abortion, and autonomy of individuals. This article reviews the economical position that fertilization is the moment that personhood of the conceptus begins...
May 2017: Linacre Quarterly
https://www.readbyqxmd.com/read/28693420/differential-proteomic-analysis-of-replanted-rehmannia-glutinosa-roots-by-itraq-reveals-molecular-mechanisms-for-formation-of-replant-disease
#10
Mingjie Li, Yanhui Yang, Fajie Feng, Bao Zhang, Shuqiang Chen, Chuyun Yang, Li Gu, Fengqing Wang, Junyi Zhang, Aiguo Chen, Wenxiong Lin, Xinjian Chen, Zhongyi Zhang
BACKGROUND: The normal growth of Rehmannia glutinosa, a widely used medicinal plant in China, is severely disturbed by replant disease. The formation of replant disease commonly involves interactions among plants, allelochemicals and microbes; however, these relationships remain largely unclear. As a result, no effective measures are currently available to treat replant disease. RESULTS: In this study, an integrated R. glutinosa transcriptome was constructed, from which an R...
July 10, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/28690148/betulinic-acid-induces-cell-death-by-necrosis-in-trypanosoma-cruzi
#11
Paloma Leão Sousa, Racquel Oliveira da Silva Souza, Louise Donadello Tessarolo, Ramon Róseo Paula Pessoa Bezerra de Menezes, Tiago Lima Sampaio, Jader Almeida Canuto, Alice Maria Costa Martins
Chagas' disease is a neglected disease caused by the protozoan parasite Trypanosoma cruzi and constitutes a serious health problem worldwide. The treatment is limited, with variable efficacy of benznidazole and nifurtimox. Betulinic Acid (BA), a triterpene, can be found in medicinal herbs and has a wide variety of biological and pharmacological activities. The objective was to evaluate betulinic acid effects on the cell death mechanism in Trypanosoma cruzi strain Y. BA inhibited the growth of epimastigotes in periods of 24h (IC50=73...
July 6, 2017: Acta Tropica
https://www.readbyqxmd.com/read/28686353/national-scale-precision-medicine-for-psychiatric-disorders-in-sweden
#12
REVIEW
Sarah E Bergen, Patrick F Sullivan
Since psychiatric disorders have genetic architectures dominated by common variants of small effects, successful elucidation in psychiatric genetics necessitates large sample sizes. Collaboration and unconventional ascertainment methods are required to fulfill this need. Electronic health records have been increasingly seen as holding great potential for research, although they often pose substantial technical, legal and ethical challenges. Universal health care and national-scale registers with comprehensive medical, developmental, demographic, and geographic information make the Nordic countries ideal for psychiatric genetic epidemiology...
July 7, 2017: American Journal of Medical Genetics. Part B, Neuropsychiatric Genetics
https://www.readbyqxmd.com/read/28668160/mr-imaging-of-m%C3%A3-llerian-fusion-anomalies
#13
REVIEW
Jeffrey D Olpin, Aida Moeni, Roderick J Willmore, Marta E Heilbrun
Müllerian duct anomalies, also called congenital uterine anomalies, are developmental structural disorders of the female genital tract. These anomalies are clinically relevant in patients with a history of infertility and pregnancy-related complications. The American Society for Reproductive Medicine classification system is the most well known, although newer systems, such as from the European Society of Human Reproduction and Embryology/European Society for Gynaecological Endoscopy, are becoming more widely accepted...
August 2017: Magnetic Resonance Imaging Clinics of North America
https://www.readbyqxmd.com/read/28667404/identification-of-critical-genes-associated-with-lignin-biosynthesis-in-radish-raphanus-sativus-l-by-de-novo-transcriptome-sequencing
#14
Haiyang Feng, Liang Xu, Yan Wang, Mingjia Tang, Xianwen Zhu, Wei Zhang, Xiaochuan Sun, Shanshan Nie, Everlyne M'mbone Muleke, Liwang Liu
Radish is an important root vegetable crop with high nutritional, economic, and medicinal value. Lignin is an important secondary metabolite possessing a great effect on plant growth and product quality. To date, lignin biosynthesis-related genes have been identified in some important plant species. However, little information on characterization of critical genes involved in plant lignin biosynthesis is available in radish. In this study, a total of 71,148 transcripts sequences were obtained from radish root, of which 66 assembled unigenes and ten candidate genes were identified to be involved in lignin monolignol biosynthesis...
June 30, 2017: Molecular Genetics and Genomics: MGG
https://www.readbyqxmd.com/read/28664664/paediatricians-should-encourage-the-parents-of-children-with-special-healthcare-needs-to-disclose-their-use-of-complementary-and-alternative-medicine
#15
Livio Provenzi, Serena Barello, Francesco Saettini, Giunia Scotto di Minico, Renato Borgatti
Complementary and alternative medicine (CAM) is widely used by the families of children who have special healthcare needs, such as developmental disabilities and severe clinical conditions, during the first years of life (1). However, they might be reluctant to disclose this to their child's paediatrician (2), which is a risk factor for the unsupervised and ineffective family care of such children (3). This article is protected by copyright. All rights reserved.
June 30, 2017: Acta Paediatrica
https://www.readbyqxmd.com/read/28663148/oral-reproductive-and-developmental-toxicity-of-lignosus-rhinocerotis-mycelium-in-rat
#16
Bo-Yi Jhou, Hsiao-Hui Liu, Shu-Hsing Yeh, Chin-Chu Chen
ETHNOPHARMACOLOGICAL RELEVANCE: Lignosus rhinocerotis (L. rhinocerotis), also known as the tiger milk mushroom, is widely used as traditional medicine and as soup ingredient in Malaysia and Hong Kong. It is edible and is used traditionally for the treatment of fever, cough, asthma, wounds, chronic hepatitis, gastric ulcers and cancers. In view of its safety profile, little information is found in scientific literature. The objective of this study is to investigate developmental toxicity of L...
June 27, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28657406/a-review-of-radiation-countermeasures-focusing-on-injury-specific-medicinals-and-regulatory-approval-status-part-ii-countermeasures-for-limited-indications-internalized-radionuclides-emesis-late-effects-and-agents-demonstrating-efficacy-in-large-animals-with
#17
Vijay K Singh, Melissa Garcia, Thomas M Seed
PURPOSE: The threat of a radiological/nuclear event is a critical concern for all government agencies involved in national security and public health preparedness. Countermeasures that are safe, easily administered, and effective at diminishing or eliminating adverse health effects to individuals and the overall public health impact of radiation exposure are urgently needed. Radiation countermeasures included in this three-part series have been classified under various subheadings based specifically on their developmental stages for United States Food and Drug Administration (FDA) approval...
June 28, 2017: International Journal of Radiation Biology
https://www.readbyqxmd.com/read/28647896/omics-based-hybrid-prediction-in-maize
#18
Matthias Westhues, Tobias A Schrag, Claas Heuer, Georg Thaller, H Friedrich Utz, Wolfgang Schipprack, Alexander Thiemann, Felix Seifert, Anita Ehret, Armin Schlereth, Mark Stitt, Zoran Nikoloski, Lothar Willmitzer, Chris C Schön, Stefan Scholten, Albrecht E Melchinger
Complementing genomic data with other "omics" predictors can increase the probability of success for predicting the best hybrid combinations using complex agronomic traits. Accurate prediction of traits with complex genetic architecture is crucial for selecting superior candidates in animal and plant breeding and for guiding decisions in personalized medicine. Whole-genome prediction has revolutionized these areas but has inherent limitations in incorporating intricate epistatic interactions. Downstream "omics" data are expected to integrate interactions within and between different biological strata and provide the opportunity to improve trait prediction...
June 24, 2017: TAG. Theoretical and Applied Genetics. Theoretische und Angewandte Genetik
https://www.readbyqxmd.com/read/28646655/syntheses-toxicities-and-anti-inflammation-of-h2s-donors-based-on-non-steroidal-anti-inflammatory-drugs
#19
Meng Li, Jili Li, Taofeng Zhang, Quanyi Zhao, Jie Cheng, Bin Liu, Zhen Wang, Libo Zhao, Chenwei Wang
Three series of H2S donors based on NSAIDs were synthesized and characterized by (1)H-NMR, IR and ESI-HRMS. The H2S-release abilities of all compounds were evaluated in the presence of TECP or cysteine. The results show all compounds were fast H2S-releasers, and their half-lives were in range of 0-20 min. Under the same condition, H2S released from compound 9 was more than any other compounds. In cytotoxicity aspect, all compounds but 1 and 2 displayed much lower toxicities to both LO2 and HepG2 cell lines, and the IC50 values of most compounds were over 800 μM...
June 7, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28644430/the-clinical-landscape-for-sma-in-a-new-therapeutic-era
#20
REVIEW
K Talbot, E F Tizzano
Despite significant advances in basic research, the treatment of degenerative diseases of the nervous system remains one of the greatest challenges for translational medicine. The childhood onset motor neuron disorder spinal muscular atrophy (SMA) has been viewed as one of the more tractable targets for molecular therapy, due to a detailed understanding of the molecular genetic basis of the disease. In SMA, inactivating mutations in the SMN1 gene can be partially compensated for by limited expression of SMN protein from a variable number of copies of the SMN2 gene, which provides both a molecular explanation for phenotypic severity and a target for therapy...
June 23, 2017: Gene Therapy
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