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https://www.readbyqxmd.com/read/28534817/the-soft-and-hard-heartedness-of-cardiac-fibroblasts-mechanotransduction-signaling-pathways-in-fibrosis-of-the-heart
#1
REVIEW
Kate M Herum, Ida G Lunde, Andrew D McCulloch, Geir Christensen
Cardiac fibrosis, the excessive accumulation of extracellular matrix (ECM), remains an unresolved problem in most forms of heart disease. In order to be successful in preventing, attenuating or reversing cardiac fibrosis, it is essential to understand the processes leading to ECM production and accumulation. Cardiac fibroblasts are the main producers of cardiac ECM, and harbor great phenotypic plasticity. They are activated by the disease-associated changes in mechanical properties of the heart, including stretch and increased tissue stiffness...
May 19, 2017: Journal of Clinical Medicine
https://www.readbyqxmd.com/read/28534294/brain-derived-neurotrophic-factor-expression-in-individuals-with-schizophrenia-and-healthy-aging-testing-the-accelerated-aging-hypothesis-of-schizophrenia
#2
REVIEW
Farhana Islam, Benoit H Mulsant, Aristotle N Voineskos, Tarek K Rajji
PURPOSE OF REVIEW: Schizophrenia has been hypothesized to be a syndrome of accelerated aging. Brain plasticity is vulnerable to the normal aging process and affected in schizophrenia: brain-derived neurotrophic factor (BDNF) is an important neuroplasticity molecule. The present review explores the accelerated aging hypothesis of schizophrenia by comparing changes in BDNF expression in schizophrenia with aging-associated changes. RECENT FINDINGS: Individuals with schizophrenia show patterns of increased overall mortality, metabolic abnormalities, and cognitive decline normally observed later in life in the healthy population...
July 2017: Current Psychiatry Reports
https://www.readbyqxmd.com/read/28533777/alternative-anaphylactic-routes-the-potential-role-of-macrophages
#3
REVIEW
María M Escribese, Domenico Rosace, Tomas Chivato, Tahia D Fernández, Angel L Corbí, Domingo Barber
Anaphylaxis is an acute, life-threatening, multisystem syndrome resulting from the sudden release of mediators from effector cells. There are two potential pathways for anaphylaxis. The first one, IgE-dependent anaphylaxis, is induced by antigen (Ag) cross-linking of Ag-specific IgE bound to the high-affinity IgE receptor (FcεRI) on mast cells and basophils. The second one, IgG-dependent anaphylaxis is induced by Ag cross-linking of Ag-specific IgG bound to IgG receptors (FcγRI, FcγRIIA, FcγRIIB, FcγRIIC, and FcγRIIIA) on macrophages, neutrophils, and basophils...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28533459/camouflage-through-colour-change-mechanisms-adaptive-value-and-ecological-significance
#4
REVIEW
Rafael C Duarte, Augusto A V Flores, Martin Stevens
Animals from a wide range of taxonomic groups are capable of colour change, of which camouflage is one of the main functions. A considerable amount of past work on this subject has investigated species capable of extremely rapid colour change (in seconds). However, relatively slow colour change (over hours, days, weeks and months), as well as changes arising via developmental plasticity are probably more common than rapid changes, yet less studied. We discuss three key areas of colour change and camouflage...
July 5, 2017: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/28532887/the-influence-of-walking-aids-on-the-plasticity-of-spinal-interneuronal-networks-central-pattern-generators-and-the-recovery-of-gait-post-stroke-a-literature-review-and-scholarly-discussion
#5
REVIEW
Clare C Maguire, Judith M Sieben, Robert A de Bie
BACKGROUND: Many aspects of post-stroke gait-rehabilitation are based on low-level evidence or expert opinion. Neuroscientific principles are often not considered when evaluating the impact of interventions. The use of walking-aids including canes and rollators, although widely used for long periods, has primarily been investigated to assess the immediate kinetic, kinematic or physiological effects. The long-term impact on neural structures und functions remains unclear. METHODS: A literature review of the function of and factors affecting plasticity of spinal interneuronal-networks and central-pattern-generators (CPG) in healthy and post-stroke patients...
April 2017: Journal of Bodywork and Movement Therapies
https://www.readbyqxmd.com/read/28532494/insecticide-treated-durable-wall-lining-itwl-future-prospects-for-control-of-malaria-and-other-vector-borne-diseases
#6
REVIEW
Louisa A Messenger, Mark Rowland
While long-lasting insecticidal nets (LLINs) and indoor residual spraying (IRS) are the cornerstones of malaria vector control throughout sub-Saharan Africa, there is an urgent need for the development of novel insecticide delivery mechanisms to sustain and consolidate gains in disease reduction and to transition towards malaria elimination and eradication. Insecticide-treated durable wall lining (ITWL) may represent a new paradigm for malaria control as a potential complementary or alternate longer-lasting intervention to IRS...
May 22, 2017: Malaria Journal
https://www.readbyqxmd.com/read/28532358/experience-dependent-structural-plasticity-in-the-visual-system
#7
Kalen P Berry, Elly Nedivi
During development, the environment exerts a profound influence on the wiring of brain circuits. Due to the limited resolution of studies in fixed tissue, this experience-dependent structural plasticity was once thought to be restricted to a specific developmental time window. The recent introduction of two-photon microscopy for in vivo imaging has opened the door to repeated monitoring of individual neurons and the study of structural plasticity mechanisms at a very fine scale. In this review, we focus on recent work showing that synaptic structural rearrangements are a key mechanism mediating neural circuit adaptation and behavioral plasticity in the adult brain...
October 14, 2016: Annual Review of Vision Science
https://www.readbyqxmd.com/read/28532346/low-vision-and-plasticity-implications-for-rehabilitation
#8
Gordon E Legge, Susana T L Chung
Low vision is any type of visual impairment that affects activities of daily living. In the context of low vision, we define plasticity as changes in brain or perceptual behavior that follow the onset of visual impairment and that are not directly due to the underlying pathology. An important goal of low-vision research is to determine how plasticity affects visual performance of everyday activities. In this review, we consider the levels of the visual system at which plasticity occurs, the impact of age and visual experience on plasticity, and whether plastic changes are spontaneous or require explicit training...
October 14, 2016: Annual Review of Vision Science
https://www.readbyqxmd.com/read/28531345/plastic-and-human-health-a-micro-issue
#9
Stephanie L Wright, Frank J Kelly
Microplastics are a pollutant of environmental concern. Their presence in food destined for human consumption and in air samples has been reported. Thus, microplastic exposure via diet or inhalation could occur, the human health effects of which are unknown. The current review article draws upon cross-disciplinary scientific literature to discuss and evaluate the potential human health impacts of microplastics and outlines urgent areas for future research. Key literature up to September 2016 relating to bioaccumulation, particle toxicity, and chemical and microbial contaminants were critically examined...
May 22, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28530743/multicellular-tumor-invasion-and-plasticity-in-biomimetic-materials
#10
Susan E Leggett, Amanda S Khoo, Ian Y Wong
Cancer cell invasion through the extracellular matrix is associated with metastatic spread and therapeutic resistance. In carcinomas, the detachment and dissemination of individual cells has been associated with an epithelial-mesenchymal transition, but tumors can also invade using collective, multicellular phenotypes. This malignant tumor progression is also associated with alignment and stiffening of the surrounding extracellular matrix. Historically, tumor invasion has been investigated using 2D monolayer culture, small animal models or patient histology...
May 22, 2017: Biomaterials Science
https://www.readbyqxmd.com/read/28529417/nasolabial-perforator-flap-for-one-stage-reconstruction-of-nasal-defects
#11
Siddharth Prakash, Ritesh Panda, Vivek Kumar, Shiv Shankar Saha, Lalit Choudhary, Anurag Pandey, J Sasidhar Reddy
BACKGROUND: The excellent freedom of movement and range of this flap when based on a the nasolabial perforator flap have not been sufficiently explored. In this study, along with demonstrating the other key advantages of this flap over its traditional counterpart, we will endeavour to fill these lacunae in the available literature. MATERIALS AND METHODS: From February 2009 to February 2012, twenty patients with nasal defects were repaired with a nasolabial perforator flap in the Department of Plastic and Cosmetic Surgery at Sir Ganga Ram Hospital, New Delhi...
January 2017: Journal of Cutaneous and Aesthetic Surgery
https://www.readbyqxmd.com/read/28528956/brain-interference-revisiting-the-role-of-ifn%C3%AE-in-the-central-nervous-system
#12
REVIEW
S Monteiro, S Roque, F Marques, M Correia-Neves, J J Cerqueira
Interferon gamma (IFNγ) is a pro-inflammatory cytokine, first described as a secreted molecule capable of interfering with viral replication. Since then, numerous other important actions in the context of the immune response to invading pathogens (including those invading the brain) have been ascribed to this pleiotropic cytokine. Nevertheless, the precise role of IFNγ in neuropsychiatric and neurodegenerative disorders, and its possible contribution to the regulation of normal brain function, remains enigmatic...
May 18, 2017: Progress in Neurobiology
https://www.readbyqxmd.com/read/28528356/operating-room-fires-in-periocular-surgery
#13
Michael A Connor, Anne M Menke, Ivan Vrcek, John W Shore
AIM: A survey of ophthalmic plastic and reconstructive surgeons as well as seven-year data regarding claims made to the Ophthalmic Mutual Insurance Company (OMIC) is used to discuss operating room fires in periocular surgery. METHODS: A retrospective review of all closed claim operating room fires submitted to OMIC was performed. A survey soliciting personal experiences with operating room fires was distributed to all American Society of Oculoplastic and Reconstructive Surgeons...
May 20, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28527230/imaging-and-neuropsychological-correlates-of-white-matter-lesions-in-different-subtypes-of-mild-cognitive-impairment-a-systematic-review
#14
Charlene L M Lam, Jenny Yiend, Tatia M C Lee
BACKGROUND: White matter lesions (WML) are prevalent in older adults. The association between WML and cognition in different subtypes of Mild Cognitive Impairment (MCI) is inconsistent in the literature. OBJECTVES: We aim to provide a systematic review on the impact of WML in different subtypes of MCI, and discuss the recent findings on white matter plasticity. METHODS: We reviewed peer-reviewed articles from January 2011 to August 2016 and identified 12 studies investigating the association between WML and subtypes of MCI with both neuroimaging and cognitive measures...
May 13, 2017: NeuroRehabilitation
https://www.readbyqxmd.com/read/28527017/juxtaglomerular-cell-phenotypic-plasticity
#15
REVIEW
Alexandre Góes Martini, A H Jan Danser
Renin is the first and rate-limiting step of the renin-angiotensin system. The exclusive source of renin in the circulation are the juxtaglomerular cells of the kidney, which line the afferent arterioles at the entrance of the glomeruli. Normally, renin production by these cells suffices to maintain homeostasis. However, under chronic stimulation of renin release, for instance during a low-salt diet or antihypertensive therapy, cells that previously expressed renin during congenital life re-convert to a renin-producing cell phenotype, a phenomenon which is known as "recruitment"...
May 19, 2017: High Blood Pressure & Cardiovascular Prevention: the Official Journal of the Italian Society of Hypertension
https://www.readbyqxmd.com/read/28526591/macrophage-based-therapeutic-strategies-in-regenerative-medicine
#16
Kara L Spiller, Timothy J Koh
Mounting evidence suggests that therapeutic cell and drug delivery strategies designed to actively harness the regenerative potential of the inflammatory response have great potential in regenerative medicine. In particular, macrophages have emerged as a primary target because of their critical roles in regulating multiple phases of tissue repair through their unique ability to rapidly shift phenotypes. Herein, we review macrophage-based therapies, focusing on the translational potential for cell delivery of ex vivo-activated macrophages and delivery of molecules and biomaterials to modulate accumulation and phenotype of endogenous macrophages...
May 16, 2017: Advanced Drug Delivery Reviews
https://www.readbyqxmd.com/read/28526578/barrel-cortex-what-is-it-good-for
#17
REVIEW
Maik C Stüttgen, Cornelius Schwarz
The rodent whisker system, with barrel cortex as its most prominent structure, has evolved into a powerful model system to study sensory processing. However, despite the vast amount of data collected on barrel cortex neural activity patterns, as well as its circuitry and plasticity, the precise behavioral and cognitive operations for which this structure is needed are still elusive. Proposed functions of barrel cortex include detection, discrimination, coordination of whisker movements during exploratory locomotion or active touch, and associative learning...
May 16, 2017: Neuroscience
https://www.readbyqxmd.com/read/28526562/new-intracellular-activities-of-matrix-metalloproteinases-shine-in-the-moonlight
#18
REVIEW
Parker G Jobin, Georgina S Butler, ChristopherM Overall
Adaption of a single protein to perform multiple independent functions facilitates functional plasticity of the proteome allowing a limited number of protein-coding genes to perform a multitude of cellular processes. Multifunctionality is achievable by post-translational modifications and by modulating subcellular localization. Matrix metalloproteinases (MMPs), classically viewed as degraders of the extracellular matrix (ECM) responsible for matrix protein turnover, are more recently recognized as regulators of a range of extracellular bioactive molecules including chemokines, cytokines, and their binders...
May 16, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28525197/-treatment-resistant-depression-actuality-and-perspectives-in-2017
#19
REVIEW
N Lucas, P Hubain, G Loas, F Jurysta
Major depressive disorder (MDD) affects 3 to 17 % of adults. 15 to 30 % of patients with MDD suffer from treatment resistant depression (TRD). No international consensus defines TRD. The most common definition is " MDD that is not enough improved after two successive and different classes of antidepressant treatments in appropriate dose and duration ". The appropriate dose corresponds to maximal dose accepted by scientific reports and clinical recommendations, while the appropriate duration is around 6 weeks...
2017: Revue Médicale de Bruxelles
https://www.readbyqxmd.com/read/28524074/neurotrauma-the-crosstalk-between-neurotrophins-and-inflammation-in-the-acutely-injured-brain
#20
REVIEW
Lindolfo da Silva Meirelles, Daniel Simon, Andrea Regner
Traumatic brain injury (TBI) is a major cause of morbidity and mortality among young individuals worldwide. Understanding the pathophysiology of neurotrauma is crucial for the development of more effective therapeutic strategies. After the trauma occurs, immediate neurologic damage is produced by the traumatic forces; this primary injury triggers a secondary wave of biochemical cascades together with metabolic and cellular changes, called secondary neural injury. In the scenario of the acutely injured brain, the ongoing secondary injury results in ischemia and edema culminating in an uncontrollable increase in intracranial pressure...
May 18, 2017: International Journal of Molecular Sciences
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