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https://www.readbyqxmd.com/read/28100736/methyl-cpg-binding-protein-mbd1-regulates-neuronal-lineage-commitment-through-maintaining-adult-neural-stem-cell-identity
#1
Emily M Jobe, Yu Gao, Brian E Eisinger, Janessa K Mladucky, Charles C Giuliani, Laurel E Kelnhofer, Xinyu Zhao
: Methyl-CpG-binding domain 1 (MBD1) belongs to a family of methyl-CpG-binding proteins that are epigenetic "readers" linking DNA methylation to transcriptional regulation. MBD1 is expressed in neural stem cells residing in the dentate gyrus of the adult hippocampus (aNSCs) and MBD1 deficiency leads to reduced neuronal differentiation, impaired neurogenesis, learning deficits, and autism-like behaviors in mice; however, the precise function of MBD1 in aNSCs remains unexplored. Here, we show that MBD1 is important for maintaining the integrity and stemness of NSCs, which is critical for their ability to generate neurons...
January 18, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28100407/pressure-ulcer-reconstruction-in-patients-with-heterotopic-ossification-after-spinal-cord-injury-a-case-series-and-review-of-literature
#2
REVIEW
Kai Yang, Alexander Graf, James Sanger
Heterotopic ossification (HO) is widely recognized as a common occurrence among patients suffering from traumatic spinal cord injuries (SCI). The exact etiology of HO formation remains unknown. Published medical and surgical management strategies are often plagued with questionable effectiveness and frequent complications. There are minimal publications regarding the management strategies of HO in SCI patients as it pertains to plastic surgery. We present a case series of patients treated at our institution who underwent treatment for pressure ulcers with underlying HO to highlight the vast spectrum of clinical phenotypes present in this population...
December 21, 2016: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/28099854/single-cell-transcriptomic-analysis-defines-heterogeneity-and-transcriptional-dynamics-in-the-adult-neural-stem-cell-lineage
#3
Ben W Dulken, Dena S Leeman, Stéphane C Boutet, Katja Hebestreit, Anne Brunet
Neural stem cells (NSCs) in the adult mammalian brain serve as a reservoir for the generation of new neurons, oligodendrocytes, and astrocytes. Here, we use single-cell RNA sequencing to characterize adult NSC populations and examine the molecular identities and heterogeneity of in vivo NSC populations. We find that cells in the NSC lineage exist on a continuum through the processes of activation and differentiation. Interestingly, rare intermediate states with distinct molecular profiles can be identified and experimentally validated, and our analysis identifies putative surface markers and key intracellular regulators for these subpopulations of NSCs...
January 17, 2017: Cell Reports
https://www.readbyqxmd.com/read/28099162/thermography-based-blood-flow-imaging-in-human-skin-of-the-hands-and-feet-a-spectral-filtering-approach
#4
A A Sagaidachnyi, A V Fomin, D A Usanov, A V Skripal
The determination of the relationship between skin blood flow and skin temperature dynamics is the main problem in thermography-based blood flow imaging. Oscillations in skin blood flow are the source of thermal waves propagating from micro-vessels toward the skin's surface, as assumed in this study. This hypothesis allows us to use equations for the attenuation and dispersion of thermal waves for converting the temperature signal into the blood flow signal, and vice versa. We developed a spectral filtering approach (SFA), which is a new technique for thermography-based blood flow imaging...
January 18, 2017: Physiological Measurement
https://www.readbyqxmd.com/read/28098199/optogenetic-modulation-of-urinary-bladder-contraction-for-lower-urinary-tract-dysfunction
#5
Jae Hong Park, Jin Ki Hong, Ja Yun Jang, Jieun An, Kyu-Sung Lee, Tong Mook Kang, Hyun Joon Shin, Jun-Kyo Francis Suh
As current clinical approaches for lower urinary tract (LUT) dysfunction such as pharmacological and electrical stimulation treatments lack target specificity, thus resulting in suboptimal outcomes with various side effects, a better treatment modality with spatial and temporal target-specificity is necessary. In this study, we delivered optogenetic membrane proteins, such as channelrhodopsin-2 (ChR2) and halorhodopsin (NpHR), to bladder smooth muscle cells (SMCs) of mice using either the Cre-loxp transgenic system or a viral transfection method...
January 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28098178/lithium-accumulates-in-neurogenic-brain-regions-as-revealed-by-high-resolution-ion-imaging
#6
Giulia Zanni, Wojciech Michno, Elena Di Martino, Anna Tjärnlund-Wolf, Jean Pettersson, Charlotte Elizabeth Mason, Gustaf Hellspong, Klas Blomgren, Jörg Hanrieder
Lithium (Li) is a potent mood stabilizer and displays neuroprotective and neurogenic properties. Despite extensive investigations, the mechanisms of action have not been fully elucidated, especially in the juvenile, developing brain. Here we characterized lithium distribution in the juvenile mouse brain during 28 days of continuous treatment that result in clinically relevant serum concentrations. By using Time-of-Flight Secondary Ion Mass Spectrometry- (ToF-SIMS) based imaging we were able to delineate temporospatial lithium profile throughout the brain and concurrent distribution of endogenous lipids with high chemical specificity and spatial resolution...
January 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28098106/the-role-of-dynamic-renal-scintigraphy-on-clinical-decision-making-in-hydronephrotic-children
#7
Seçil Arslansoyu Çamlar, Nazlı Deveci, Alper Soylu, Mehmet Atilla Türkmen, Derya Özmen, Gamze Çapakaya, Salih Kavukçu
Hydronephrosis may be related to an obstructive cause, ureteropelvic/uretero-vesical junction obstruction or nonobstructive [vesicoureteral reflux (VUR)]. When an obstructive pathology is considered, dynamic renal scintigraphy may help to predict whether it is a true obstruction or not. In this study, we aimed to determine the contribution of dynamic renal scintigraphy with [99] mTc-MAG-3 to the clinical decision-making for surgery in hydronephrotic children. Files of the patients evaluated by MAG-3 scintigraphy for antenatal (AH)/postnatal (PH) hydronephrosis between 1992 and 2014 were reviewed...
January 2017: Saudi Journal of Kidney Diseases and Transplantation
https://www.readbyqxmd.com/read/28095733/decoding-crucial-lncrnas-implicated-in-neurogenesis-and-neurological-disorders
#8
R Ayana, Shailja Singh, Soumya Pati
Unraveling transcriptional heterogeneity and the labyrinthine nature of neurodevelopment can probe insights into neuropsychiatric disorders. It is noteworthy that adult neurogenesis is restricted to the Sub Ventricular and Sub Granular zones (SVZ/SGZ) of the brain. Recent studies suggest long non-coding RNAs (lncRNAs) as an avant-garde class of regulators implicated in neurodevelopment. But, paucity exists in the knowledge regarding lncRNAs in neurogenesis and their associations with neurodevelopmental defects...
January 17, 2017: Stem Cells and Development
https://www.readbyqxmd.com/read/28092362/the-role-of-endothelial-hif-1-%C3%AE-in-the-response-to-sublethal-hypoxia-in-c57bl-6-mouse-pups
#9
Qi Li, Michael Michaud, Chan Park, Yan Huang, Rachael Couture, Frank Girodano, Michael L Schwartz, Joseph A Madri
Chronic sublethal hypoxia, a complication of premature birth, is associated with cognitive and motor handicaps. Responsiveness to and recovery from this hypoxic environment is dependent on induction of HIF-1 α in the cells affected. Microvascular endothelial-glial and microvascular endothelial-neuronal precursor interactions have been found to be dynamic and reciprocal, involving autocrine and paracrine signaling, with response and recovery correlated with baseline levels and levels of induction of HIF-1 α...
January 16, 2017: Laboratory Investigation; a Journal of Technical Methods and Pathology
https://www.readbyqxmd.com/read/28090756/correlating-spinal-cord-injuries-with-neurogenic-bladder-pathophysiology
#10
EDITORIAL
John P Lavelle
No abstract text is available yet for this article.
February 2017: BJU International
https://www.readbyqxmd.com/read/28090659/the-effect-of-intradetrusor-botulinum-neurotoxin-type-a-on-urinary-ngf-tgf-beta-1-timp-2-levels-in-children-with-neurogenic-detrusor-overactivity-due-to-myelodysplasia
#11
Tuncay Top, Cagri Akin Sekerci, Banu Isbilen-Basok, Yiloren Tanidir, Ilker Tinay, Ferruh Kemal Isman, Cem Akbal, Ferruh Simsek, Tufan Tarcan
AIMS: The aim of this study was to determine the value of urine nerve growth factor (NGF), transforming growth factor beta 1 (TGF-Beta-1), tissue inhibitor of matrix metalloproteinase 2 (TIMP-2) levels to predict the urodynamic profile before and after botulinum neurotoxin type A (BoNT-A) treatment in children with myelodysplasia. METHODS: This prospective study included 15 children with myelodysplasia who underwent intradetrusor BoNT-A injections due to neurogenic detrusor overactivity (NDOA)...
January 16, 2017: Neurourology and Urodynamics
https://www.readbyqxmd.com/read/28088578/the-effect-of-long-term-hindlimb-unloading-on-the-expression-of-risk-neurogenes-encoding-elements-of-serotonin-dopaminergic-systems-and-apoptosis-comparison-with-the-effect-of-actual-spaceflight-on-mouse-brain
#12
E A Kulikova, V A Kulikov, N A Sinyakova, A V Kulikov, N K Popova
The study of spaceflight effects on the brain is technically complex concern; complicated by the problem of applying an adequate ground model. The most-widely used experimental model to study the effect of microgravity is the tail-suspension hindlimb unloading model; however, its compliance with the effect of actual spaceflight on the brain is still unclear. We evaluated the effect of one month hindlimb unloading on the expression of genes related to the brain neuroplasticity - brain neutotrophic factors (Gdnf, Cdnf), apoptotic factors (Bcl-xl, Bax), serotonin- and dopaminergic systems (5-HT2A, Maoa, Maob, Th, D1r, Comt), and compared the results with the data obtained on mice that spent one month in spaceflight on Russian biosatellite Bion-M1...
January 11, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28088038/evidence-of-functional-duplicity-of-nestin-expression-in-the-adult-mouse-midbrain
#13
Parisa Farzanehfar, Shi Sheng Lu, Anupa Dey, Dharshani Musiienko, Hamzah Baagil, Malcolm K Horne, Tim D Aumann
Whether or not neurogenesis occurs in the adult substantia nigra pars compacta (SNc) is an important question relevant for developing better treatments for the motor symptoms of Parkinson's disease (PD). Although controversial, it is generally believed that dividing cells here remain undifferentiated or differentiate into glia, not neurons. However, there is a suggestion that Nestin-expressing neural precursor cells (NPCs) in the adult SNc have a propensity to differentiate into neurons, which we sought to confirm in the present study...
January 5, 2017: Stem Cell Research
https://www.readbyqxmd.com/read/28087968/thymic-carcinoma-presenting-with-an-unusual-and-delayed-metastasis-to-the-neural-foramen-mimicking-thoracic-spinal-radiculopathy
#14
H M Low, C F Wong, M W H'ng
We report a case of metastatic thymic carcinoma which presented as an enhancing mass located in the neural foramen of the thoracic spine. More common tumours which arise in the neural foramen would include a neurogenic tumour or developmental anomalies such as a foregut duplication cyst. This case is singular firstly because the lesion present as radiculopathy which mimics a neurogenic tumour. Secondly, the presentation was unusually delayed as the patient presented to our centre more than a decade after the resection of the primary tumour in another institution...
December 2016: Medical Journal of Malaysia
https://www.readbyqxmd.com/read/28087763/circadian-kinetics-of-cell-cycle-progression-in-adult-neurogenic-niches-of-a-diurnal-vertebrate
#15
Veronica Akle, Alexander J Stankiewicz, Vasili Kharchenko, Lili Yu, Peter V Kharchenko, Irina V Zhdanova
: The circadian system may regulate adult neurogenesis via intracellular molecular clock mechanisms or by modifying the environment of neurogenic niches, with daily variation in growth factors or nutrients depending on the animal's diurnal or nocturnal life-style. In a diurnal vertebrate, zebrafish, we studied circadian distribution of immunohistochemical markers of the cell division cycle (CDC) in five of the sixteen neurogenic niches of adult brain, the dorsal telencephalon, habenula, preoptic area, hypothalamus and cerebellum...
January 13, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28087734/increased-mitophagy-in-the-skeletal-muscle-of-spinal-and-bulbar-muscular-atrophy-patients
#16
Doriana Borgia, Adriana Malena, Marco Spinazzi, Maria Andrea Desbats, Leonardo Salviati, Aaron P Russell, Giovanni Miotto, Laura Tosatto, Elena Pegoraro, Gianni Sorarù, Maria Pennuto, Lodovica Vergani
Spinal and bulbar muscular atrophy (SBMA) is a neuromuscular disorder caused by polyglutamine expansion in the androgen receptor (AR) and characterized by the loss of lower motor neurons. Here we investigated pathological processes occurring in muscle biopsy specimens derived from SBMA patients and, as controls, age-matched healthy subjects and patients suffering from amyotrophic lateral sclerosis (ALS) and neurogenic atrophy. We detected atrophic fibers in the muscle of SBMA, ALS and neurogenic atrophy patients...
January 13, 2017: Human Molecular Genetics
https://www.readbyqxmd.com/read/28074322/decreased-survival-in-glioblastomas-is-specific-to-contact-with-the-ventricular-subventricular-zone-not-subgranular-zone-or-corpus-callosum
#17
Akshitkumar M Mistry, Michael C Dewan, Gabrielle A White-Dzuro, Philip R Brinson, Kyle D Weaver, Reid C Thompson, Rebecca A Ihrie, Lola B Chambless
The clinical effect of radiographic contact of glioblastoma (GBM) with neurogenic zones (NZ)-the ventricular-subventricular (VSVZ) and subgranular (SGZ) zones-and the corpus callosum (CC) remains unclear and, in the case of the SGZ, unexplored. We investigated (1) if GBM contact with a NZ correlates with decreased survival; (2) if so, whether this effect is associated with a specific NZ; and (3) if radiographic contact with or invasion of the CC by GBM is associated with decreased survival. We retrospectively identified 207 adult patients who underwent cytoreductive surgery for GBM followed by chemotherapy and/or radiation...
January 10, 2017: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/28074148/apraxia-of-speech-and-cerebellar-mutism-syndrome-a-case-report
#18
E De Witte, I Wilssens, D De Surgeloose, G Dua, M Moens, J Verhoeven, M Manto, P Mariën
BACKGROUND: Cerebellar mutism syndrome (CMS) or posterior fossa syndrome (PFS) consists of a constellation of neuropsychiatric, neuropsychological and neurogenic speech and language deficits. It is most commonly observed in children after posterior fossa tumor surgery. The most prominent feature of CMS is mutism, which generally starts after a few days after the operation, has a limited duration and is typically followed by motor speech deficits. However, the core speech disorder subserving CMS is still unclear...
2017: Cerebellum & Ataxias
https://www.readbyqxmd.com/read/28072411/the-early-growth-response-protein-1-mir-30a-5p-neurogenic-differentiation-factor-1-axis-as-a-novel-biomarker-for-schizophrenia-diagnosis-and-treatment-monitoring
#19
S Liu, F Zhang, Y Y Shugart, L Yang, X Li, Z Liu, N Sun, C Yang, X Guo, J Shi, L Wang, L Cheng, K Zhang, T Yang, Y Xu
To date, diagnosis of schizophrenia is still based on clinical interviews and careful observations, which is subjective and variable, and can lead to misdiagnosis and/or delay in diagnosis. As early intervention in schizophrenia is important in improving outcomes, objective tests that can be used for schizophrenia diagnosis or treatment monitoring are thus in great need. MicroRNAs (miRNAs) negatively regulate target gene expression and their biogenesis is tightly controlled by various factors including transcription factors (TFs)...
January 10, 2017: Translational Psychiatry
https://www.readbyqxmd.com/read/28070606/-neurogenic-detrusor-overactivity-and-onabotulinumtoxin-a-botox-%C3%A2-is-perioperative-antbiotic-prophylaxis-unnecessary
#20
A Kaufmann
No abstract text is available yet for this article.
January 9, 2017: Der Urologe. Ausg. A
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