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https://www.readbyqxmd.com/read/29028071/how-to-isolate-a-ready-to-use-adipose-derived-stem-cells-pellet-for-clinical-application
#1
E Raposio, N Bertozzi
Adipose-derived stem cells (ASCs) are multipotent mesenchymal stem cells (MSCs) that show definitive stem cell characteristics such as plastic adherence in culture, ability to maintain multipotency upon in vitro expansion, and self-renewal capacity. ASCs are particularly promising for use in regenerative medicine because they can be harvested easily from adipose tissue by standard liposuction, with minimal donor site morbidity. Since ASCs do not necessitate ex vivo expansion to obtain clinically significant cell numbers, it is critical to identify a standardized method that maximizes the number of ASCs collected...
September 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29027120/elucidating-the-preadipocyte-and-its-role-in-adipocyte-formation-a-comprehensive-review
#2
REVIEW
Christos N Sarantopoulos, Derek A Banyard, Mary E Ziegler, Beatrice Sun, Ashkaun Shaterian, Alan D Widgerow
Adipogenesis is a complex process whereby the multipotent adipose-derived stem cell is converted to a preadipocyte before terminal differentiation into the mature adipocyte. Preadipocytes are present throughout adult life, exhibit adipose fat depot specificity, and differentiate and proliferate from distinct progenitor cells. The mechanisms that promote preadipocyte commitment and maturation involve numerous protein factor regulators, epigenetic factors, and miRNAs. Detailed characterization of this process is currently an area of intense research and understanding the roles of preadipocytes in tissue plasticity may provide insight into novel approaches for tissue engineering, regenerative medicine and treating a host of obesity-related conditions...
October 13, 2017: Stem Cell Reviews
https://www.readbyqxmd.com/read/29026781/bulge-region-as-a-putative-hair-follicle-stem-cells-niche-a-brief-review
#3
REVIEW
Sanaz Joulai Veijouye, Abazar Yari, Fatemeh Heidari, Nayereh Sajedi, Fatemeh Ghoroghi Moghani, Maliheh Nobakht
BACKGROUND: Hair follicle stem cells exist in different sites. Most of the hair follicle stem cells are reside in niche called bulge. Bulge region is located between the opening of sebaceous gland and the attachment site of the arrector pili muscle. METHODS: Data were collected using databases and resources of PubMed, Web of Science, Science Direct, Scopus, MEDLINE and their references from the earliest available published to identify English observational studies on hair follicle bulge region...
September 2017: Iranian Journal of Public Health
https://www.readbyqxmd.com/read/29026597/endoscopic-approach-for-management-of-biliary-strictures-in-liver-transplant-recipients-a-systematic-review-and-meta-analysis
#4
Dayse Pereira da Silva Aparício, José Pinhata Otoch, Edna Frasson de Souza Montero, Muhammad Ali Khan, Everson Luiz de Almeida Artifon
The most common biliary complication after liver transplantation is anastomotic stricture (AS) and it can occur isolated or in combination with other complications. Liver graft from a cadaveric donor or a living donor has an influence on the incidence of biliary strictures as well as on the response to endoscopic treatment. Endoscopic treatment using balloon dilation and insertion of biliary stents by endoscopic retrograde cholangiopancreatography (ERCP) is the initial approach to these complications. AIM: The aim of this article is to compare different endoscopic techniques to treat post-liver transplantation biliary strictures...
October 2017: United European Gastroenterology Journal
https://www.readbyqxmd.com/read/29025237/the-role-of-injectables-in-aesthetic-surgery-financial-implications
#5
Bryson G Richards, William F Schleicher, Gehaan F D'Souza, Raymond Isakov, James E Zins
Background: The plastic surgeon competes with both core and noncore physicians and surgeons for traditional cosmetic procedures. In 2007, the American Society for Aesthetic Plastic Surgery (ASAPS) and the American Society of Plastic Surgeons (ASPS) joined efforts to form a Cosmetic Medicine Task Force to further analyze this trend. Objectives: Our objective is to document and quantify the patient capture and total collections generated in a single surgeon's practice exclusive from Botulinum Toxin A and filler injections over a 10-year period...
October 1, 2017: Aesthetic Surgery Journal
https://www.readbyqxmd.com/read/29024256/transgenerational-plasticity-and-climate-change-experiments-where-do-we-go-from-here
#6
REVIEW
Jennifer M Donelson, Santiago Salinas, Philip L Munday, Lisa N S Shama
Phenotypic plasticity, both within and across generations, is an important mechanism that organisms use to cope with rapid climate change. While an increasing number of studies show that plasticity across generations (transgenerational plasticity or TGP) may occur, we have limited understanding of key aspects of TGP, such as the environmental conditions that may promote it, its relationship to within-generation plasticity (WGP) and its role in evolutionary potential. In this review, we consider how the detection of TGP in climate change experiments is affected by the predictability of environmental variation, as well as the timing and magnitude of environmental change cues applied...
October 12, 2017: Global Change Biology
https://www.readbyqxmd.com/read/29023993/pediatric-keloids-a-6-year-retrospective-review
#7
Afieharo I Michael, Samuel A Ademola, Olayinka A Olawoye, Ayodele O Iyun, Wasiu Adebayo, Odunayo M Oluwatosin
BACKGROUND/OBJECTIVES: Keloids are reportedly rare at the extremes of life. We sought to describe the epidemiology of pediatric keloids seen at the plastic surgery outpatient department of the University College Hospital, Ibadan. METHODS: We retrospectively reviewed all children younger than 19 years who presented with nonburn keloids between 2008 and 2014. Data were obtained on age; duration, size, and location of the keloid; family history; mode of treatment; and outcome...
October 11, 2017: Pediatric Dermatology
https://www.readbyqxmd.com/read/29021751/language-learning-variability-within-the-dorsal-and-ventral-streams-as-a-cue-for-compensatory-mechanisms-in-aphasia-recovery
#8
REVIEW
Diana López-Barroso, Ruth de Diego-Balaguer
Dorsal and ventral pathways connecting perisylvian language areas have been shown to be functionally and anatomically segregated. Whereas the dorsal pathway integrates the sensory-motor information required for verbal repetition, the ventral pathway has classically been associated with semantic processes. The great individual differences characterizing language learning through life partly correlate with brain structure and function within these dorsal and ventral language networks. Variability and plasticity within these networks also underlie inter-individual differences in the recovery of linguistic abilities in aphasia...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/29021364/lymphatic-endothelial-cell-plasticity-in-development-and-disease
#9
REVIEW
Wanshu Ma, Guillermo Oliver
The lymphatic vasculature is crucial for maintaining tissue-fluid homeostasis, providing immune surveillance and mediating lipid absorption. The lymphatic vasculature is tightly associated with the blood vasculature, although it exhibits distinct morphological and functional features. Endothelial cells (ECs) lineage fate specification is determined during embryonic development; however, accumulating evidence suggests that differentiated ECs exhibit remarkable heterogeneity and plasticity. In this review, we provide an overview of the molecular mechanisms promoting lymphatic cell fate specification in the mammalian embryo...
November 2017: Physiology
https://www.readbyqxmd.com/read/29019760/mr-lymphangiography-in-children-technique-and-potential-applications
#10
Govind B Chavhan, Joao G Amaral, Michael Temple, Maxim Itkin
The lymphatic system, an important component of the circulatory system with essential physiologic functions, can be affected by various disease processes. There has been a delay in the development of effective imaging methods for the lymphatic system due to its small size, which limits visualization as well as introduction of contrast material. Traditionally, the lymphatic system has been imaged by injecting contrast material or radiotracers into the feet or hands. This is not sufficient for assessment of the central conducting lymphatics (CCLs) (such as the thoracic duct or the cisterna chyli)...
October 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/29017914/the-roles-of-class-i-histone-deacetylases-hdacs-in-memory-learning-and-executive-cognitive-functions-a-review
#11
REVIEW
Claudia Schmauss
Coordinated changes in gene expression are critical for synaptic plasticity supporting learning, memory, and optimal cognitive task performance. These gene expression changes are not only mediated by signaling pathways that activate transcription factors, but also by chromatin modifications that influence the accessibility of the transcriptional machinery to specific genomic regions. During the past decade, evidence accumulated that alterations in chromatin-based epigenetic regulation of gene expression are linked to cognitive dysfunctions in the ageing or neurodegenerating brain as well as to cognitive dysfunctions resulting from chronic stress exposure...
October 7, 2017: Neuroscience and Biobehavioral Reviews
https://www.readbyqxmd.com/read/28993740/pharmacological-augmentation-of-psychosocial-and-remediation-training-efforts-in-schizophrenia
#12
REVIEW
Philip D Harvey, Michael Sand
Pharmacological approaches to cognitive enhancement have received considerable attention but have not had considerable success in improving their cognitive and functional targets. Other intervention strategies, such as cognitive remediation therapy (CRT), have been shown to enhance cognitive performance but have not been found to improve functional outcomes without additional psychosocial interventions. Recently, several studies have attempted to enhance the effects of CRT by adding pharmacological interventions to the CRT treatments...
2017: Frontiers in Psychiatry
https://www.readbyqxmd.com/read/28993723/bace1-dependent-neuregulin-1-signaling-an-implication-for-schizophrenia
#13
REVIEW
Zhengrong Zhang, Jing Huang, Yong Shen, Rena Li
Schizophrenia is a chronic psychiatric disorder with a lifetime prevalence of about 1% in the general population. Recent studies have shown that Neuregulin-1 (Nrg1) is a candidate gene for schizophrenia. At least 15 alternative splicing of NRG1 isoforms all contain an extracellular epidermal growth factor (EGF)-like domain, which is sufficient for Nrg1 biological activity including the formation of myelin sheaths and the regulation of synaptic plasticity. It is known that Nrg1 can be cleaved by β-secretase (BACE1) and the resulting N-terminal fragment (Nrg1-ntf) binds to receptor tyrosine kinase ErbB4, which activates Nrg1/ErbB4 signaling...
2017: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/28993523/giuliano-vanghetti-and-the-innovation-of-cineplastic-operations
#14
Peppino Tropea, Alberto Mazzoni, Silvestro Micera, Massimo Corbo
OBJECTIVE: Developing functional artificial limbs for amputees has been a centuries-old challenge in medicine. We review the mechanical and neurologic principles of "cineplastic operations" and "plastic motors" used to restore movements in prostheses, with special attention to the work of Giuliano Vanghetti. METHODS: We evaluated original publications describing cineplastic operations, biographic information, writings, drawings, and unpublished letters from the Vanghetti library, preserved in Empoli, Italy, and performed a bibliographic search and comparison for similar procedures in the literature...
October 10, 2017: Neurology
https://www.readbyqxmd.com/read/28993494/seasonal-reproductive-tactics-annual-timing-and-the-capital-to-income-breeder-continuum
#15
REVIEW
Cory T Williams, Marcel Klaassen, Brian M Barnes, C Loren Buck, Walter Arnold, Sylvain Giroud, Sebastian G Vetter, Thomas Ruf
Tactics of resource use for reproduction are an important feature of life-history strategies. A distinction is made between 'capital' breeders, which finance reproduction using stored energy, and 'income' breeders, which pay for reproduction using concurrent energy intake. In reality, vertebrates use a continuum of capital-to-income tactics, and, for many species, the allocation of capital towards reproduction is a plastic trait. Here, we review how trophic interactions and the timing of life-history events are influenced by tactics of resource use in birds and mammals...
November 19, 2017: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/28993492/chronobiology-of-interspecific-interactions-in-a-changing-world
#16
REVIEW
Noga Kronfeld-Schor, Marcel E Visser, Lucia Salis, Jan A van Gils
Animals should time activities, such as foraging, migration and reproduction, as well as seasonal physiological adaptation, in a way that maximizes fitness. The fitness outcome of such activities depends largely on their interspecific interactions; the temporal overlap with other species determines when they should be active in order to maximize their encounters with food and to minimize their encounters with predators, competitors and parasites. To cope with the constantly changing, but predictable structure of the environment, organisms have evolved internal biological clocks, which are synchronized mainly by light, the most predictable and reliable environmental cue (but which can be masked by other variables), which enable them to anticipate and prepare for predicted changes in the timing of the species they interact with, on top of responding to them directly...
November 19, 2017: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/28993272/gabaergic-over-inhibition-a-promising-hypothesis-for-cognitive-deficits-in-down-syndrome
#17
REVIEW
Javier Zorrilla de San Martin, Jean-Maurice Delabar, Alberto Bacci, Marie-Claude Potier
Down syndrome (DS), also known as trisomy 21, is the most common genetic cause of intellectual disability. It is also a model human disease for exploring consequences of gene dosage imbalance on complex phenotypes. Learning and memory impairments linked to intellectual disabilities in DS could result from synaptic plasticity deficits and excitatory-inhibitory alterations leading to changes in neuronal circuitry in the brain of affected individuals. Increasing number of studies in mouse and cellular models converge towards the assumption that excitatory-inhibitory imbalance occurs in DS, likely early during development...
October 6, 2017: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/28992938/bilateral-carpal-tunnel-syndrome-a-review
#18
REVIEW
Pawel Dec, Andrzej Zyluk
Carpal tunnel syndrome (CTS) is the most common upper extremity compressive neuropathy, with a prevalence of 3%-5% in the general population, and 6% in the group of females over the age of 40. It occurs about five times more common in females, with 2 peaks observed, in the 6th and 8th decades of life. Bilateral manifestation is more common than unilateral (60%), but significantly more often begins or is more strongly expressed in the dominant hand. Possible anatomical abnormalities underlying the development of CTS account for about 5% of cases...
October 2, 2017: Neurologia i Neurochirurgia Polska
https://www.readbyqxmd.com/read/28992511/plant-mitochondrial-membranes-adding-structure-and-new-functions-to-respiratory-physiology
#19
REVIEW
Markus Schwarzländer, Philippe Fuchs
The membranes of mitochondria are focal points of cellular physiology and respiratory energy transformation. Recent discoveries have started painting a refined picture of plant mitochondrial membranes as platforms in which structure and function have evolved in an interconnected and dynamically regulated manner. Hosting ancillary functions that interact with other mitochondrial properties gives mitochondria the characteristics of multitasking and integrated molecular mega machines. We review recent insights into the makeup and the plasticity of the outer and inner mitochondrial membranes, their intimate relationship with respiratory function and regulation, and their properties in mediating solute transport...
October 6, 2017: Current Opinion in Plant Biology
https://www.readbyqxmd.com/read/28990514/bisphenol-a-in-reproduction-epigenetic-effects
#20
Rosanna Chianese, Jacopo Troisi, Sean Richards, Marika Scafuro, Silvia Fasano, Maurizio Guida, Riccardo Pierantoni, Rosaria Meccariello
BACKGROUND: Bisphenol A (BPA) is an endocrine disrupting chemical widely used in the manufacture of polycarbonate plastic and epoxy resin to produce a multitude of consumer products, food and drink containers, and medical devices. BPA is similar to estradiol in structure and thus interferes in steroid signalling with different outcomes on reproductive health depending on doses, life stage, mode, and timing of exposure. In this respect, it has an emerging and controversial role as a "reproductive toxicant" capable of inducing short and long-term effects including the modulation of gene expression through epigenetic modification (i...
October 9, 2017: Current Medicinal Chemistry
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