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Developmental Medicine

Verónica Schiariti, Eileen Fowler, Joline E Brandenburg, Eric Levey, Sarah Mcintyre, Theresa Sukal-Moulton, Sharon L Ramey, Jessica Rose, Susan Sienko, Elaine Stashinko, Laura Vogtle, Robin S Feldman, James I Koenig
To increase the efficiency and effectiveness of clinical research studies, cerebral palsy (CP) specific Common Data Elements (CDEs) were developed through a partnership between the National Institute of Neurological Disorders and Stroke (NINDS) and the American Academy of Cerebral Palsy and Developmental Medicine (AACPDM). International experts reviewed existing NINDS CDEs and tools used in studies of children and young people with CP. CDEs were compiled, subjected to internal review, and posted online for external public comment in September 2016...
March 15, 2018: Developmental Medicine and Child Neurology
Chanchan Liu, Narayanan Srividya, Amber N Parrish, Wei Yue, Mingqiu Shan, Qinan Wu, B Markus Lange
Schizonepeta tenuifolia Briquet, commonly known as Japanese catnip, is used for the treatment of colds, headaches, fevers, and skin rashes in traditional Asian medicine (China, Japan and Korea). The volatile oil and its constituents have various demonstrated biological activities, but there is currently limited information regarding the site of biosynthesis. Light microscopy and scanning electron microscopy indicated the presence of three distinct glandular trichome types which, based on their morphological features, are referred to as peltate, capitate and digitiform glandular trichomes...
March 10, 2018: Phytochemistry
Ashfaqul Hoque, Priyadharshini Sivakumaran, Simon T Bond, Naomi X Y Ling, Anne M Kong, John W Scott, Nadeeka Bandara, Damián Hernández, Guei-Sheung Liu, Raymond C B Wong, Michael T Ryan, Derek J Hausenloy, Bruce E Kemp, Jonathan S Oakhill, Brian G Drew, Alice Pébay, Shiang Y Lim
Human induced pluripotent stem cells (iPSCs) are a valuable tool for studying the cardiac developmental process in vitro, and cardiomyocytes derived from iPSCs are a putative cell source for personalized medicine. Changes in mitochondrial morphology have been shown to occur during cellular reprogramming and pluripotent stem cell differentiation. However, the relationships between mitochondrial dynamics and cardiac mesoderm commitment of iPSCs remain unclear. Here we demonstrate that changes in mitochondrial morphology from a small granular fragmented phenotype in pluripotent stem cells to a filamentous reticular elongated network in differentiated cardiomyocytes are required for cardiac mesodermal differentiation...
December 2018: Cell Death Discovery
A Ando, D Gantulga, M Nakata, F Maekawa, K Dezaki, S Ishibashi, T Yada
Hyperphagia triggers and accelerates diabetes, and prevents proper dietary control of glycemia. Inversely, the impact of hyperglycemia on hyperphagia and possible mechanistic cause common for these two metabolic disorders in type 2 diabetes are less defined. The present study examined the precise developmental process of hyperglycemia and hyperphagia and explored the alterations in the hypothalamic arcuate nucleus (ARC), the primary feeding and metabolic center, in Goto-Kakizaki (GK) rats with type 2 diabetes and nearly normal body weight...
February 6, 2018: Neuropeptides
Anne T Berg, Samya Chakravorty, Sookyong Koh, Zachary M Grinspan, Renée A Shellhaas, Russell P Saneto, Elaine C Wirrell, Jason Coryell, Catherine J Chu, John R Mytinger, William D Gaillard, Ignacio Valencia, Kelly G Knupp, Tobias Loddenkemper, Joseph E Sullivan, Annapurna Poduri, John J Millichap, Cynthia Keator, Courtney Wusthoff, Nicole Ryan, William B Dobyns, Madhuri Hegde
Infantile spasms are the defining seizures of West syndrome, a severe form of early life epilepsy with poorly-understood pathophysiology. We present a novel comparative analysis of infants with spasms versus other seizure-types and identify clinical, etiological, and molecular-genetic factors preferentially predisposing to spasms. We compared ages, clinical etiologies, and associated-genes between spasms and non-spasms groups in a multicenter cohort of 509 infants (<12months) with newly-diagnosed epilepsy...
2018: PloS One
A Klin, W Jones
The future of neurodevelopmental medicine has the potential of situating child neurology at the forefront of a broad-based public health effort to optimize neurodevelopmental outcomes of children born with high-prevalence and diverse genetic, pre- and peri-natal, and environmental burdens compromising early brain development and leading to lifetime disabilities. Building on advancements in developmental social neuroscience and in implementation science, this shift is already occurring in the case of emblematic neurodevelopmental disorders such as autism...
March 1, 2018: Revista de Neurologia
Tamorah R Lewis, Elaine L Shelton, Sara L Van Driest, Prince J Kannankeril, Jeff Reese
Patent ductus arteriosus (PDA) is a frequent, complex, and difficult to treat clinical syndrome among preterm infants in the neonatal intensive care unit. In addition to known clinical risk factors, there are emerging data about genetic predisposition to PDA in both animal and human models. Clinical response and toxicity from drugs used to treat PDA are highly variable. Developmental and genetic aspects of pharmacokinetics and pharmacodynamics influence exposure and response to pharmacologic therapies. Given the variable efficacy and toxicity of known drug therapies, novel therapeutic targets for PDA treatment offer the promise of precision medicine...
February 24, 2018: Seminars in Fetal & Neonatal Medicine
Siiri E Iismaa, Xenia Kaidonis, Amy M Nicks, Nikolay Bogush, Kazu Kikuchi, Nawazish Naqvi, Richard P Harvey, Ahsan Husain, Robert M Graham
Stimulating regeneration of complex tissues and organs after injury to effect complete structural and functional repair, is an attractive therapeutic option that would revolutionize clinical medicine. Compared to many metazoan phyla that show extraordinary regenerative capacity, which in some instances persists throughout life, regeneration in mammalians, particularly humans, is limited or absent. Here we consider recent insights in the elucidation of molecular mechanisms of regeneration that have come from studies of tissue homeostasis and injury repair in mammalian tissues that span the spectrum from little or no self-renewal, to those showing active cell turnover throughout life...
2018: NPJ Regenerative Medicine
Udi Sarig, Hadar Sarig, Aleksander Gora, Muthu Kumar Krishnamoorthi, Gigi Chi Ting Au-Yeung, Elio de-Berardinis, Su Yin Chaw, Priyadarshini Mhaisalkar, Hanumakumar Bogireddi, Seeram Ramakrishna, Freddy Yin Chiang Boey, Subbu S Venkatraman, Marcelle Machluf
Tissue development, regeneration, or de-novo tissue engineering in-vitro, are based on reciprocal cell-niche interactions. Early tissue formation mechanisms, however, remain largely unknown given complex in-vivo multifactoriality, and limited tools to effectively characterize and correlate specific micro-scaled bio-mechanical interplay. We developed a unique model system, based on decellularized porcine cardiac extracellular matrices (pcECMs)-as representative natural soft-tissue biomaterial-to study a spectrum of common cell-niche interactions...
March 2, 2018: Scientific Reports
Karolina Kauppi, Sara Brin Rosenthal, Min-Tzu Lo, Nilotpal Sanyal, Mian Jiang, Ruben Abagyan, Linda K McEvoy, Ole A Andreassen, Chi-Hua Chen
OBJECTIVE: Antipsychotic drugs were incidentally discovered in the 1950s, but their mechanisms of action are still not understood. Better understanding of schizophrenia pathogenesis could shed light on actions of current drugs and reveal novel "druggable" pathways for unmet therapeutic needs. Recent genome-wide association studies offer unprecedented opportunities to characterize disease gene networks and uncover drug-disease relationships. Polygenic overlap between schizophrenia risk genes and antipsychotic drug targets has been demonstrated, but specific genes and pathways constituting this overlap are undetermined...
March 2, 2018: American Journal of Psychiatry
Liris Benjamin, Griffin Benjamin, Carlita Benjamin, Nancy Selfridge
PURPOSE: Historically medical curricula evolved through significant developmental milestones in teaching methodologies. This paper follows the growth chart of the basic clinical skills curriculum that occurred universally over the years, with emphasis on the last ten years of curricular steps at Ross University School of Medicine. METHODS: This is article is a literature review. It is a summary of the authors' opinions following review of prior publications and discussions with academic personnel involved in curricular development...
February 28, 2018: Medical Teacher
Chengliang Zhou, Ying Yu, Qian Yang, Huihui Wang, Min Hou, Li Jin, Fanghong Zhang, Jiangzhong Sheng, Mingfang Miao, Xiaofu Yang, He-Feng Huang
Telbivudine is an orally nucleoside analog with potent and specific antihepatitis B virus (HBV) activity, and it has been reported to block mother-to-infant transmission. However, few studies have focused on the safety of prenatal exposure for offspring development.This is a prospective noninterventional study. Participants were enrolled during delivery through the Women's Hospital of Zhejiang University School of Medicine between January 2012 and September 2013. Neonate's umbilical cord arterial blood (UCAB) was collected after delivery...
March 2018: Medicine (Baltimore)
(no author information available yet)
No abstract text is available yet for this article.
March 2018: Developmental Medicine and Child Neurology
Rebecca Hodes, Jenny Doubt, Elona Toska, Beth Vale, Nompumelelo Zungu, Lucie Cluver
BACKGROUND: The Sustainable Development Goals (SDGs) commit to strengthening collaborations between governments and civil society. Adolescents are among the key target populations for global development initiatives, but research studies and programmes rarely include their direct perspectives on how to promote health and wellbeing. This article explores how both the methods and the findings of participatory research provide insights into adolescents' aspirations across the domains of health and social development...
February 2018: Journal of the International AIDS Society
Robert Englander, Carol Carraccio
The paradigm shift to competency-based medical education (CBME) is under way, but incomplete implementation is blunting the potential impact on learning and patient outcomes. The fundamental principles of CBME call for standardizing outcomes addressing population health needs, then allowing time-variable progression to achieving them. Operationalizing CBME principles requires continuity within and across phases of the education, training, and practice continuum. However, the piecemeal origin of the phases of the "continuum" has resulted in a sequence of undergraduate to graduate medical education to practice that may be continuous temporally but bears none of the integration of a true continuum...
March 2018: Academic Medicine: Journal of the Association of American Medical Colleges
Koichiro Ogawa, Hidetaka Suga, Chikafumi Ozone, Mayu Sakakibara, Tomiko Yamada, Mayuko Kano, Kazuki Mitsumoto, Takatoshi Kasai, Yu Kodani, Hiroshi Nagasaki, Naoki Yamamoto, Daisuke Hagiwara, Motomitsu Goto, Ryoichi Banno, Yoshihisa Sugimura, Hiroshi Arima
Arginine-vasopressin (AVP) neurons exist in the hypothalamus, a major region of the diencephalon, and play an essential role in water balance. Here, we established the differentiation method for AVP-secreting neurons from human embryonic stem cells (hESCs) by recapitulating in vitro the in vivo embryonic developmental processes of AVP neurons. At first, the differentiation efficiency was improved. That was achieved through the optimization of the culture condition for obtaining dorsal hypothalamic progenitors...
February 26, 2018: Scientific Reports
Eleonora Napoli, Trenton Lippert, Cesar V Borlongan
Stem cells exhibit simple and naive cellular features, yet their exact purpose for regenerative medicine continues to elude even the most elegantly designed research paradigms from developmental biology to clinical therapeutics. Based on their capacity to divide indefinitely and their dynamic differentiation into any type of tissue, the advent of transplantable stem cells has offered a potential treatment for aging-related and injury-mediated diseases. Recent laboratory evidence has demonstrated that transplanted human neural stem cells facilitate endogenous reparative mechanisms by initiating multiple regenerative processes in the brain neurogenic areas...
February 27, 2018: Advances in Experimental Medicine and Biology
Katarzyna Klimczewska, Anna Kasperczuk, Aneta Suwińska
The striking developmental plasticity of early mammalian embryos has been known since the classical experiments performed in the 1950s and 1960s. There are many lines of evidence that the mammalian embryo is able to continue normal development even when exposed to severe experimental manipulations of the number and position of cells within the embryo. These observations have raised the question about the mechanisms involved in emergence, maintenance, and progressive restriction of this plasticity. Only recently, we have begun to understand these mechanisms...
2018: Current Topics in Developmental Biology
Tessa J Roseboom
The advent of assisted reproduction has allowed the conception of millions of individuals who otherwise would not have existed. Although most ART children are born healthy, there is increasing awareness of the plasticity of the human embryo causing concerns about potential long-term consequences of ART for the growth, development and health of this growing population of individuals. Evidence from studies in animals and humans suggest that physiology and metabolism may be permanently affected by ART. It suggests that ART children may be at increased risk of later cardiometabolic diseases...
February 21, 2018: Human Reproduction
Ethan A Everington, Adina G Gibbard, Jerome D Swinny, Mohsen Seifi
Gamma aminobutyric acid (GABA) subtype A receptors (GABAA Rs) are integral membrane ion channels composed of five individual proteins or subunits. Up to 19 different GABAA R subunits (α1-6, β1-3, γ1-3, δ, ε, θ, π, and ρ1-3) have been identified, resulting in anatomically, physiologically, and pharmacologically distinct multiple receptor subtypes, and therefore GABA-mediated inhibition, across the central nervous system (CNS). Additionally, GABAA R-modulating drugs are important tools in clinical medicine, although their use is limited by adverse effects...
2018: Frontiers in Molecular Neuroscience
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