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https://www.readbyqxmd.com/read/28418336/intracranial-lesions-in-children-and-adolescents-with-morbid-obesity
#1
Ayça Törel Ergür, Sevinç Odabaşı Güneş, Sinan Tan, Ü Ayşe Tandırcıoğlu
BACKGROUND: Intracranial lesions may affect the hypothalamo-hypophyseal axis and lead to some neuro-endocrinological dysfunctions (hyperphagia, sleep disorders and hormonal dysfunctions). There is a very limited number of studies about childhood obesity and intracranial lesions. AIMS: To evaluate the incidence of intracranial lesions and its role in clinical symptoms and aetiology in cases with morbid obesity who have been admitted to the paediatric endocrinology department with this complaint...
April 5, 2017: Balkan Medical Journal
https://www.readbyqxmd.com/read/28409284/development-prevention-and-treatment-of-feeding-tube-dependency
#2
REVIEW
Hilde Krom, J Peter de Winter, Angelika Kindermann
Enteral nutrition is effective in ensuring nutritional requirements and growth. However, when tube feeding lasts for a longer period, it can lead to tube dependency in the absence of medical reasons for continuation of tube feeding. Tube-dependent children are unable or refuse to start oral activities and they lack oral skills. Tube dependency has health-, psychosocial-, and economy-related consequences. Therefore, the transition to oral feeding is of great importance. However, this transition can be very difficult and needs a multidisciplinary approach...
April 13, 2017: European Journal of Pediatrics
https://www.readbyqxmd.com/read/28395863/a-full-life-cycle-bioassay-with-cantareus-aspersus-shows-reproductive-effects-of-a-glyphosate-based-herbicide-suggesting-potential-endocrine-disruption
#3
Coline Druart, Frédéric Gimbert, Renaud Scheifler, Annette de Vaufleury
A full life-cycle (240 days) bioassay using the terrestrial snail, Cantareus aspersus, allowing exposure during embryogenesis and/or the growth and reproduction phases, was used to assess the effects of Bypass(®), a glyphosate-based herbicide (GlyBH), on a range of endpoints, including parameters under endocrine control. As a positive control, a mixture (R-A) made of diquat (Reglone(®)) and nonylphenols (NP, Agral(®)), known for its endocrine disrupting effects in other organisms, was tested. At environmental concentrations, both pesticides (R-A mixture and GlyBH) enhanced growth but reduced reproduction...
April 7, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28391420/a-neuro-oncologist-s-perspective-on-management-of-brain-metastases-in-patients-with-egfr-mutant-non-small-cell-lung-cancer
#4
REVIEW
Tresa McGranahan, Seema Nagpal
Management of non-small cell lung cancer (NSCLC) with brain metastasis (BrM) has been revolutionized by identification of molecular subsets that have targetable oncogenes. Historically, survival for NSCLC with symptomatic BrM was weeks to months. Now, many patients are surviving years with limited data to guide treatment decisions. Tumors with activating mutations in epidermal growth factor receptor (EGFRact+) have a higher incidence of BrM, but a longer overall survival. The high response rate of both systemic and BrM EGFRact+ NSCLC to tyrosine kinase inhibitors (TKIs) has led to the rapid incorporation of new therapies but is outpacing evidence-based decisions for BrM in NSCLC...
April 2017: Current Treatment Options in Oncology
https://www.readbyqxmd.com/read/28386125/guangxi-cobra-venom-derived-ngf-promotes-the-osteogenic-and-therapeutic-effects-of-porous-bcp-ceramic
#5
Pan Jin, Fuqiang Yin, Li Huang, Li Zheng, Jinmin Zhao, Xingdong Zhang
Neuro-osteological interactions have an important role in the regulation of bone metabolism and regeneration. Neuropeptides combined with porous biphasic calcium phosphates (BCP) using protein adsorption may contribute to the acceleration of bone formation. In the present study, we investigated the effect of BCP combined with nerve growth factor (NGF) on the growth of osteoblasts in vitro and the combinational therapeutic effect on the repair of calvarial defects in vivo. NGF was separated and purified from Chinese cobra venom using a simplified three-step chromatography method...
April 7, 2017: Experimental & Molecular Medicine
https://www.readbyqxmd.com/read/28359314/alpinia-oxyphylla-miq-fruit-extract-activates-igfr-pi3k-akt-signaling-to-induce-schwann-cell-proliferation-and-sciatic-nerve-regeneration
#6
Yung-Ming Chang, Hen-Hong Chang, Chin-Chuan Tsai, Hung-Jen Lin, Tsung-Jung Ho, Chi-Xin Ye, Ping-Ling Chiu, Yueh-Sheng Chen, Ray-Jade Chen, Chih-Yang Huang, Chien-Chung Lin
BACKGROUND: It is known that the medicinal herb Alpinia oxyphylla Miq. is widely used as a remedy for diarrhea as well as the symptoms accompanying hypertension and cerebrovascular disorders. Moreover, it has also been reported that Alpinia oxyphylla Miq. has beneficial effects on anti-senescence and neuro-protection. This study focuses on the molecular mechanisms by which the Alpinia oxyphylla Miq. fruits promote neuron regeneration. METHODS: A piece of silicone rubber was guided across a 15 mm gap in the sciatic nerve of a rat...
March 31, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28349952/nerve-regeneration-by-human-corneal-stromal-keratocytes-and-stromal-fibroblasts
#7
Gary Hin-Fai Yam, Geraint P Williams, Melina Setiawan, Nur Zahirah Binte M Yusoff, Xiao-Wen Lee, Hla Myint Htoon, Lei Zhou, Matthias Fuest, Jodhbir S Mehta
Laser refractive surgeries reshape corneal stroma to correct refractive errors, but unavoidably affect corneal nerves. Slow nerve regeneration and atypical neurite morphology cause desensitization and neuro-epitheliopathy. Following injury, surviving corneal stromal keratocytes (CSKs) are activated to stromal fibroblasts (SFs). How these two different cell types influence nerve regeneration is elusive. Our study evaluated the neuro-regulatory effects of human SFs versus CSKs derived from the same corneal stroma using an in vitro chick dorsal root ganglion model...
March 28, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28348527/tuning-up-the-old-brain-with-new-tricks-attention-training-via-neurofeedback
#8
REVIEW
Yang Jiang, Reza Abiri, Xiaopeng Zhao
Neurofeedback (NF) is a form of biofeedback that uses real-time (RT) modulation of brain activity to enhance brain function and behavioral performance. Recent advances in Brain-Computer Interfaces (BCI) and cognitive training (CT) have provided new tools and evidence that NF improves cognitive functions, such as attention and working memory (WM), beyond what is provided by traditional CT. More published studies have demonstrated the efficacy of NF, particularly for treating attention deficit hyperactivity disorder (ADHD) in children...
2017: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/28348075/computational-and-structural-evidence-for-neurotransmitter-mediated-modulation-of-the-oligomeric-states-of-human-insulin-in-storage-granules
#9
Vladimír Palivec, Cristina M Viola, Mateusz Kozak, Timothy R Ganderton, Květoslava Křížková, Johan P Turkenburg, Petra Halušková, Lenka Žáková, Jiří Jiráček, Pavel Jungwirth, Andrzej M Brzozowski
Human insulin is a pivotal protein hormone controlling metabolism, growth and ageing, and whose malfunctioning underlies diabetes, some cancers and neuro-degeneration. Despite its central position in human physiology, the in vivo oligomeric state and conformation of insulin in its storage granules in the pancreas are not known. In contrast, many in vitro structures of hexamers of this hormone are available, which fall into three conformational states: T6, T3Rf3 and R6. As there is strong evidence for accumulation of neurotransmitters, such as serotonin and dopamine, in insulin storage granules in pancreatic β-cells, we probed by molecular dynamics (MD) and protein crystallography (PC) if these endogenous ligands affect and stabilize insulin oligomers...
March 27, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28331560/introducing-crucial-protein-panel-of-gastric-adenocarcinoma-disease
#10
Mostafa Rezaei-Tavirani, Majid Rezaei-Tavirani, Vahid Mansouri, Seyed Mohammad Mahdavi, Reza Valizadeh, Mohammad Rostami-Nejad, Mohammad Reza Zali
AIM: Since interactome analysis of diseases can provide candidate biomarker panel related to the diseases, in this research, protein-protein interaction (PPI) network analysis is used to introduce the involved crucial proteins in Gastric adenocarcinoma (GA). BACKGROUND: Gastric adenocarcinoma (GA) is the most common type of stomach cancer. There is no efficient diagnostic molecular method for GA. METHOD: Applying Cytoscape software 3.4.0 and String Database, the PPI network was constructed for 200 genes...
2017: Gastroenterology and Hepatology From Bed to Bench
https://www.readbyqxmd.com/read/28326012/androgen-receptor-regulates-the-growth-of-neuroblastoma-cells-in-vitro-and-in-vivo
#11
Junyan Sun, Dongmei Wang, Lianying Guo, Shengyun Fang, Yang Wang, Rong Xing
Background: Neuroblastoma is the most common extracranial tumors in children. At present about the true etiology of neuroblastoma is unclear and many studies have tried to find effective treatments for these primary malignant tumors. Although it has been illustrated that androgen receptor (AR) was expressed in neuroblastoma cells in some former reports, the biological role of androgen receptor in the development of neuroblastoma is not fully understood. Methods: Androgen (R1881) and the antagonists of androgen receptor (MDV3100 and ARN509) were used to study the role of the androgen receptor signaling pathway in vitro and in vivo on SH-SY5Y and Neuro-2a (N2a) cell lines...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28321787/a-mathematical-theory-of-shape-and-neuro-fuzzy-methodology-based-diagnostic-analysis-a-comparative-study-on-early-detection-and-treatment-planning-of-brain-cancer
#12
Subrata Kar, D Dutta Majumder
BACKGROUND: Investigation of brain cancer can detect the abnormal growth of tissue in the brain using computed tomography (CT) scans and magnetic resonance (MR) images of patients. The proposed method classifies brain cancer on shape-based feature extraction as either benign or malignant. The authors used input variables such as shape distance (SD) and shape similarity measure (SSM) in fuzzy tools, and used fuzzy rules to evaluate the risk status as an output variable. We presented a classifier neural network system (NNS), namely Levenberg-Marquardt (LM), which is a feed-forward back-propagation learning algorithm used to train the NN for the status of brain cancer, if any, and which achieved satisfactory performance with 100% accuracy...
March 20, 2017: International Journal of Clinical Oncology
https://www.readbyqxmd.com/read/28298039/interactions-between-glioma-and-pregnancy-insight-from-a-52-case-multicenter-series
#13
Sophie Peeters, Mélanie Pagès, Guillaume Gauchotte, Catherine Miquel, Stéphanie Cartalat-Carel, Jean-Sébastien Guillamo, Laurent Capelle, Jean-Yves Delattre, Patrick Beauchesne, Marc Debouverie, Denys Fontaine, Emmanuel Jouanneau, Jean Stecken, Philippe Menei, Olivier De Witte, Philippe Colin, Didier Frappaz, Thierry Lesimple, Luc Bauchet, Manuel Lopes, Laurence Bozec, Elisabeth Moyal, Christophe Deroulers, Pascale Varlet, Marc Zanello, Fabrice Chretien, Catherine Oppenheim, Hugues Duffau, Luc Taillandier, Johan Pallud
OBJECTIVE The goal of this study was to provide insight into the influence of gliomas on gestational outcomes, the impact of pregnancy on gliomas, and the identification of patients at risk. METHODS In this multiinstitutional retrospective study, the authors identified 52 pregnancies in 50 women diagnosed with a glioma. RESULTS For gliomas known prior to pregnancy (n = 24), we found the following: 1) An increase in the quantified imaging growth rates occurred during pregnancy in 87% of cases. 2) Clinical deterioration occurred in 38% of cases, with seizures alone resolving after delivery in 57...
March 3, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28286110/fast-transdifferentiation-of-human-wharton-s-jelly-mesenchymal-stem-cells-into-neurospheres-and-nerve-like-cells
#14
A R Bonilla-Porras, C Velez-Pardo, M Jimenez-Del-Rio
BACKGROUND: The human mesenchymal stem cells derived from Wharton's jelly tissue (hWJ-MSCs) represent a tool for cell-based therapies and regenerative medicine. hWJ-MSCs form neurospheres (NSs) within 3-7 days. No data is available to establish the neuro-phenotypic markers and time of formation of nerve-like (NLCs) and glial cells from NSs derived from hWJ-MSCs. NEW METHOD: hWJ-MSCs were incubated with Fast-N-Spheres medium for 24 and 72h. The new formed NSs were in turn incubated with forskolin in neurogenic NeuroForsk medium for 1-7days...
March 8, 2017: Journal of Neuroscience Methods
https://www.readbyqxmd.com/read/28276498/the-impact-of-the-rbm4-initiated-splicing-cascade-on-modulating-the-carcinogenic-signature-of-colorectal-cancer-cells
#15
Jung-Chun Lin, Yuan-Chii Lee, Yu-Chih Liang, Yang C Fann, Kory R Johnson, Ying-Ju Lin
A growing body of studies has demonstrated that dysregulated splicing profiles constitute pivotal mechanisms for carcinogenesis. In this study, we identified discriminative splicing profiles of colorectal cancer (CRC) cells compared to adjacent normal tissues using deep RNA-sequencing (RNA-seq). The RNA-seq results and cohort studies indicated a relatively high ratio of exon 4-excluded neuro-oncological ventral antigen 1 (Nova1(-4)) and intron 2-retained SRSF6 (SRSF6(+intron 2)) transcripts in CRC tissues and cell lines...
March 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28272663/neu-laxova-syndrome-an-unusual-association-with-kyphosis
#16
Amandeep Kaur, Vijayalaxmi Suranagi, Kamal Patil, Hema Bannur
The Neu-Laxova syndrome is a rare autosomal recessive condition associated with neuro-ectodermal abnormalities and other patterns of severe malformations leading to prenatal or early postnatal lethality. Association with kyphosis is an extremely rare finding. A fetus born from a 25-year-old gravida at 30 weeks gestation was diagnosed with Dandy Walker syndrome with severe intrauterine growth restriction on ultrasonography. On post-mortem examination after termination of pregnancy, the fetus showed facial dysmorphology with microcephaly, smooth shiny skin and kyphosis...
February 4, 2017: Türk Patoloji Dergisi
https://www.readbyqxmd.com/read/28265859/new-cancer-pain-treatment-options
#17
REVIEW
Kenneth D Candido, Teresa M Kusper, Nebojsa Nick Knezevic
PURPOSE OF REVIEW: Cancer pain is often incapacitating and discouraging to patients; is demoralizing to family members and care takers; and is taxing and difficult to subdue for the pain specialists. The consequences of implementing suboptimal treatment are far-reaching; therefore, effective treatment methods are in a great demand. The face of cancer pain management has changed in considerable ways, and interventional procedures have become an integral part of providing multimodal analgesia in cancer pain treatment...
February 2017: Current Pain and Headache Reports
https://www.readbyqxmd.com/read/28262664/motor-neurons-control-blood-vessel-patterning-in-the-developing-spinal-cord
#18
Patricia Himmels, Isidora Paredes, Heike Adler, Andromachi Karakatsani, Robert Luck, Hugo H Marti, Olga Ermakova, Eugen Rempel, Esther T Stoeckli, Carmen Ruiz de Almodóvar
Formation of a precise vascular network within the central nervous system is of critical importance to assure delivery of oxygen and nutrients and for accurate functionality of neuronal networks. Vascularization of the spinal cord is a highly stereotypical process. However, the guidance cues controlling blood vessel patterning in this organ remain largely unknown. Here we describe a new neuro-vascular communication mechanism that controls vessel guidance in the developing spinal cord. We show that motor neuron columns remain avascular during a developmental time window, despite expressing high levels of the pro-angiogenic vascular endothelial growth factor (VEGF)...
March 6, 2017: Nature Communications
https://www.readbyqxmd.com/read/28259249/anti-tumor-activity-of-wogonin-an-extract-from-scutellaria-baicalensis-through-regulating-different-signaling-pathways
#19
REVIEW
Do Luong Huynh, Neelesh Sharma, Amit Kumar Singh, Simrinder Singh Sodhi, Jiao-Jiao Zhang, Raj Kumar Mongre, Mrinmoy Ghosh, Nameun Kim, Yang Ho Park, Dong Kee Jeong
Wogonin is a plant flavonoid compound extracted from Scutellaria baicalensis (Huang-Qin or Chinese skullcap) and has been studied thoroughly by many researchers till date for its anti-viral, anti-oxidant, anti-cancerous and neuro-protective properties. Numerous experiments conducted in vitro and in vivo have demonstrated wogonin's excellent tumor inhibitory properties. The anti-cancer mechanism of wogonin has been ascribed to modulation of various cell signaling pathways, including serine-threonine kinase Akt (also known as protein kinase B) and AMP-activated protein kinase (AMPK) pathways, p53-dependent/independent apoptosis, and inhibition of telomerase activity...
January 2017: Chinese Journal of Natural Medicines
https://www.readbyqxmd.com/read/28257890/a-novel-role-of-fragile-x-mental-retardation-protein-in-pre-mrna-alternative-splicing-through-rna-binding-protein-14
#20
Lin-Tao Zhou, Shun-Hua Ye, Hai-Xuan Yang, Yong-Ting Zhou, Qi-Hua Zhao, Wei-Wen Sun, Mei-Mei Gao, Yong-Hong Yi, Yue-Sheng Long
Fragile X mental retardation protein (FMRP), an important RNA-binding protein responsible for fragile X syndrome, is involved in posttranscriptional control of gene expression that links with brain development and synaptic functions. Here, we reveal a novel role of FMRP in pre-mRNA alternative splicing, a general event of posttranscriptional regulation. Using co-immunoprecipitation and immunofluorescence assays, we identified that FMRP interacts with an alternative-splicing-associated protein RNA-binding protein 14 (RBM14) in a RNA-dependent fashion, and the two proteins partially colocalize in the nuclei of hippocampal neurons...
February 28, 2017: Neuroscience
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