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diabetic neural changes

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https://www.readbyqxmd.com/read/28616041/efficacy-of-intraorbital-electroacupuncture-for-diabetic-abducens-nerve-palsy-study-protocol-for-a-prospective-single-center-randomized-controlled-trial
#1
Ling-Yun Zhou, Xue-Mei Li, Tie-Juan Liu, Xiao-Jie Ji, Ming Zhao, Chang Su, Ji-Chao Liu, Jiang-Yun Sun
Abducens nerve palsy (ANP) is commonly seen in patients with diabetes mellitus. The validity of acupuncture as a traditional Chinese medicine method in peripheral nerve repair is well established. However, its efficacy in randomized controlled trials remains unclear. Herein, we designed a protocol for a prospective, single-center, randomized controlled trial to investigate the effect of intraorbital electroacupuncture on diabetic ANP. We plan to recruit 60 patients with diabetic ANP, and randomly divide them into treatment and control groups...
May 2017: Neural Regeneration Research
https://www.readbyqxmd.com/read/28599877/zeaxanthin-improves-diabetes-induced-cognitive-deficit-in-rats-through-activiting-pi3k-akt-signaling-pathway
#2
Xiaoyan Zhou, Shanshan Wang, Xin Ding, Li Qin, Yizhen Mao, Lei Chen, Wei Li, Changjiang Ying
Published studies have shown that cognitive deficit is a characteristic manifestation of neurodegenerative disease in diabetes. However, there is no effective prevention and treatment for this diabetes-associated behavior disorder. In the present study, we attempted to elucidate the effect of zeaxanthin on cognitive deficit and the change in the hippocampus correlated with cognitive decline in diabetic rats. Diabetic rats in this study were induced by high-fat diet and low-dose streptozocin (STZ), cognitive ability of rats were evaluated use morris water maze (MWM) and morphology change in hippocampus was assessed by cresyl violet stain...
June 10, 2017: Brain Research Bulletin
https://www.readbyqxmd.com/read/28588350/elevated-glucose-and-interleukin-1%C3%AE-differentially-affect-retinal-microglial-cell-proliferation
#3
Filipa I Baptista, Célia A Aveleira, Áurea F Castilho, António F Ambrósio
Diabetic retinopathy is considered a neurovascular disorder, hyperglycemia being considered the main risk factor for this pathology. Diabetic retinopathy also presents features of a low-grade chronic inflammatory disease, including increased levels of cytokines in the retina, such as interleukin-1 beta (IL-1β). However, how high glucose and IL-1β affect the different retinal cell types remains to be clarified. In retinal neural cell cultures, we found that IL-1β and IL-1RI are present in microglia, macroglia, and neurons...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28577175/multi-level-deep-supervised-networks-for-retinal-vessel-segmentation
#4
Juan Mo, Lei Zhang
PURPOSE: Changes in the appearance of retinal blood vessels are an important indicator for various ophthalmologic and cardiovascular diseases, including diabetes, hypertension, arteriosclerosis, and choroidal neovascularization. Vessel segmentation from retinal images is very challenging because of low blood vessel contrast, intricate vessel topology, and the presence of pathologies such as microaneurysms and hemorrhages. To overcome these challenges, we propose a neural network-based method for vessel segmentation...
June 2, 2017: International Journal of Computer Assisted Radiology and Surgery
https://www.readbyqxmd.com/read/28538662/maternal-factors-that-induce-epigenetic-changes-contribute-to-neurological-disorders-in-offspring
#5
REVIEW
Avijit Banik, Deepika Kandilya, Seshadri Ramya, Walter Stünkel, Yap Seng Chong, S Thameem Dheen
It is well established that the regulation of epigenetic factors, including chromatic reorganization, histone modifications, DNA methylation, and miRNA regulation, is critical for the normal development and functioning of the human brain. There are a number of maternal factors influencing epigenetic pathways such as lifestyle, including diet, alcohol consumption, and smoking, as well as age and infections (viral or bacterial). Genetic and metabolic alterations such as obesity, gestational diabetes mellitus (GDM), and thyroidism alter epigenetic mechanisms, thereby contributing to neurodevelopmental disorders (NDs) such as embryonic neural tube defects (NTDs), autism, Down's syndrome, Rett syndrome, and later onset of neuropsychological deficits...
May 24, 2017: Genes
https://www.readbyqxmd.com/read/28439518/diabetes-adult-neurogenesis-and-brain-remodeling-new-insights-from-rodent-and-zebrafish-models
#6
REVIEW
Anne-Claire Dorsemans, David Couret, Anaïs Hoarau, Olivier Meilhac, Christian Lefebvre d'Hellencourt, Nicolas Diotel
The prevalence of diabetes rapidly increased during the last decades in association with important changes in lifestyle. Diabetes and hyperglycemia are well-known for inducing deleterious effects on physiologic processes, increasing for instance cardiovascular diseases, nephropathy, retinopathy and foot ulceration. Interestingly, diabetes also impairs brain morphology and functions such as (1) decreased neurogenesis (proliferation, differentiation and cell survival), (2) decreased brain volumes, (3) increased blood-brain barrier leakage, (4) increased cognitive impairments, as well as (5) increased stroke incidence and worse neurologic outcomes following stroke...
2017: Neurogenesis (Austin, Tex.)
https://www.readbyqxmd.com/read/28410981/predicting-healthcare-trajectories-from-medical-records-a-deep-learning-approach
#7
Trang Pham, Truyen Tran, Dinh Phung, Svetha Venkatesh
Personalized predictive medicine necessitates the modeling of patient illness and care processes, which inherently have long-term temporal dependencies. Healthcare observations, stored in electronic medical records are episodic and irregular in time. We introduce DeepCare, an end-to-end deep dynamic neural network that reads medical records, stores previous illness history, infers current illness states and predicts future medical outcomes. At the data level, DeepCare represents care episodes as vectors and models patient health state trajectories by the memory of historical records...
April 11, 2017: Journal of Biomedical Informatics
https://www.readbyqxmd.com/read/28389999/effects-of-microrna-21-on-nerve-cell-regeneration-and-neural-function-recovery-in-diabetes-mellitus-combined-with-cerebral-infarction-rats-by-targeting-pdcd4
#8
Yun-Bao Guo, Tie-Feng Ji, Hong-Wei Zhou, Jin-Lu Yu
We aimed to determine the effect and mechanism of microRNA-21 (miR-21) on nerve cell regeneration and nerve functional recovery in diabetes mellitus combined with cerebral infarction (DM + CI) rats by targeting PDCD4. A total of 125 male Wistar rats were selected for DM + CI rat model construction and assigned into the blank, miR-21 mimics, mimics control, miR-21 inhibitor, inhibitor control, miR-21 inhibitor + si-PDCD4 and si-PDCD4 groups. And, 20 healthy rats were selected for the normal group. Triphenylterazolium chloride (TTC) staining and HE staining were used for determination of the area of CI and pathological changes, respectively...
April 7, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28374074/abnormal-subcortical-nuclei-shapes-in-patients-with-type-2-diabetes-mellitus
#9
Ji Chen, Junxiang Zhang, Xuebing Liu, Xiaoyang Wang, Xiangjin Xu, Hui Li, Bo Cao, Yanqiu Yang, Jingjing Lu, Ziqian Chen
OBJECTIVES: Type 2 diabetes mellitus (T2DM) increases the risk of brain atrophy and dementia. We aimed to elucidate deep grey matter (GM) structural abnormalities and their relationships with T2DM cognitive deficits by combining region of interest (ROI)-based volumetry, voxel-based morphometry (VBM) and shape analysis. METHODS: We recruited 23 T2DM patients and 24 age-matched healthy controls to undergo T1-weighted structural MRI scanning. Images were analysed using the three aforementioned methods to obtain deep GM structural shapes and volumes...
April 3, 2017: European Radiology
https://www.readbyqxmd.com/read/28334035/early-inner-retinal-thinning-and-cardiovascular-autonomic-dysfunction-in-type-2-diabetes
#10
Jin A Choi, Hyo Won Kim, Jin-Woo Kwon, Yun-Sub Shim, Dong Hyun Jee, Jae-Seung Yun, Yu-Bae Ahn, Chan Kee Park, Seung-Hyun Ko
BACKGROUND: To investigate changes in the neural retina according to the presence of retinal nerve fiber layer (RNFL) defects in type 2 diabetes, and to determine the association between inner retina thickness and the severity of diabetic complications. METHODS: We studied non-glaucomatous patients with type 2 diabetes and control subjects Circumpapillary RNFL and macula ganglion cell-inner plexiform layer (GCIPL) thicknesses were measured by spectral-domain optical coherence tomography...
2017: PloS One
https://www.readbyqxmd.com/read/28290778/improved-neural-microcirculation-and-regeneration-after-peripheral-nerve-decompression-in-dpn-rats
#11
Wenxiang Zhong, Min Yang, Wenchuan Zhang, Massimiliano Visocchi, Xiangjun Chen, Chenlong Liao
OBJECTIVE: Recently, neural microcirculation and regeneration were regarded as critical factors in diabetic peripheral neuropathy (DPN) improvement. In the present study, we explored the cytological and molecular mechanisms how peripheral nerve decompression impaired nerve injury. METHODS: Forty-five male SD rats were established as the DPN model. HE staining was used to observe the morphology and distribution of microvessels. Transmission electron microscopy was applied to observe the morphology and distribution of Schwann cells...
April 2017: Neurological Research
https://www.readbyqxmd.com/read/28263454/neuroplasticity-of-supraspinal-structures-associated-with-pathological-pain
#12
Pere Boadas-Vaello, Judit Homs, Francisco Reina, Anna Carrera, Enrique Verdú
Peripheral nerve and spinal cord injuries, along with other painful syndromes such as fibromyalgia, diabetic neuropathy, chemotherapeutic neuropathy, trigeminal neuralgia, complex regional pain syndrome, and/or irritable bowel syndrome, cause several neuroplasticity changes in the nervous system along its entire axis affecting the different neuronal nuclei. This paper reviews these changes, focusing on the supraspinal structures that are involved in the modulation and processing of pain, including the periaqueductal gray matter, red nucleus, locus coeruleus, rostral ventromedial medulla, thalamus, hypothalamus, basal ganglia, cerebellum, habenula, primary and secondary somatosensory cortex, motor cortex, mammillary bodies, hippocampus, septum, amygdala, cingulated and prefrontal cortex...
March 6, 2017: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/28178194/preventive-healthcare-a-neural-network-analysis-of-behavioral-habits-and-chronic-diseases
#13
Viju Raghupathi, Wullianallur Raghupathi
The research aims to explore the association between behavioral habits and chronic diseases, and to identify a portfolio of risk factors for preventive healthcare. The data is taken from the Behavioral Risk Factor Surveillance System (BRFSS) database of the Centers for Disease Control and Prevention, for the year 2012. Using SPSS Modeler, we deploy neural networks to identify strong positive and negative associations between certain chronic diseases and behavioral habits. The data for 475,687 records from BRFS database included behavioral habit variables of consumption of soda and fruits/vegetables, alcohol, smoking, weekly working hours, and exercise; chronic disease variables of heart attack, stroke, asthma, and diabetes; and demographic variables of marital status, income, and age...
February 6, 2017: Healthcare (Basel, Switzerland)
https://www.readbyqxmd.com/read/28174096/retinal-biomarkers-provide-insight-into-cortical-pharmacology-and-disease
#14
REVIEW
Christine T O Nguyen, Flora Hui, Jason Charng, Shajan Velaedan, Anna K van Koeverden, Jeremiah K H Lim, Zheng He, Vickie H Y Wong, Algis J Vingrys, Bang V Bui, Magnus Ivarsson
The retina is an easily accessible out-pouching of the central nervous system (CNS) and thus lends itself to being a biomarker of the brain. More specifically, the presence of neuronal, vascular and blood-neural barrier parallels in the eye and brain coupled with fast and inexpensive methods to quantify retinal changes make ocular biomarkers an attractive option. This includes its utility as a biomarker for a number of cerebrovascular diseases as well as a drug pharmacology and safety biomarker for the CNS...
February 5, 2017: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28159472/metformin-activation-of-ampk-suppresses-age-induced-inflammatory-response-in-hnscs
#15
Ming-Min Chung, Christopher J Nicol, Yi-Chuan Cheng, Kuan-Hung Lin, Yen-Lin Chen, Dee Pei, Chien-Hung Lin, Yi-Nuo Shih, Chia-Hui Yen, Shiang-Jiuun Chen, Rong-Nan Huang, Ming-Chang Chiang
A growing body of evidence suggests type 2 diabetes mellitus (T2DM) is linked to neurodegenerative diseases such as Alzheimer's disease (AD). Although the precise mechanisms remain unclear, T2DM may exacerbate neurodegenerative processes. AMP-activated protein kinase (AMPK) signaling is an evolutionary preserved pathway that is important during homeostatic energy biogenesis responses at both the cellular and whole-body levels. Metformin, a ubiquitously prescribed anti-diabetic drug, exerts its effects by AMPK activation...
March 1, 2017: Experimental Cell Research
https://www.readbyqxmd.com/read/28048716/su-f-j-04-automated-detection-of-diabetic-retinopathy-using-deep-convolutional-neural-networks
#16
Kele Xu, Li Zhu, Ruixing Wang, Chang Liu, Yi Zhao
PURPOSE: In this work, we explore to use very deep convolutional neural network (CNN) for the automatic classification of diabetic retinopathy using color fundus image. METHODS: We apply translation, stretching, rotation and flipping to the labeled dataset. The original number of labeled-frames is 3000, while after augmentations, 6000 frames with labels are used for the CNN training task. Several different CNN architectures have been proposed and tested. The architecture of our network contains 18 layers with parameters, consists of 12 convolutional layers, some of which followed by max-pooling layers, and two fully connected layers...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/27908722/unexpected-regulation-of-mirna-abundance-during-adaptation-of-early-somite-mouse-embryos-to-diabetic-pregnancy
#17
J Zhao, T B M Hakvoort, A Jongejan, J M Ruijter, A H C van Kampen, W H Lamers
Maternal diabetes is one of major causes of congenital malformations in offspring, but the underlying mechanism is still unclear. MiRNAs play an important role in transcriptional and post-transcriptional regulation of gene expression. However, no miRNA expression profiling of hyperglycemic offspring are thus far available. Female mice were made diabetic with streptozotocin, treated with slow-release insulin tablets, and mated. MiRNA expression profiling with Next Generation Sequencing on the SOLiD5 platform was performed on 8 control and 5 hyperglycemic embryonic day (ED)8...
January 22, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/27806092/effect-of-portal-glucose-sensing-on-systemic-glucose-levels-in-sd-and-zdf-rats
#18
Atanu Pal, David B Rhoads, Ali Tavakkoli
BACKGROUND: The global epidemic of Type-2-Diabetes (T2D) highlights the need for novel therapeutic targets and agents. Roux-en-Y-Gastric-Bypass (RYGB) is the most effective treatment. Studies investigating the mechanisms of RYGB suggest a role for post-operative changes in portal glucose levels. We investigate the impact of stimulating portal glucose sensors on systemic glucose levels in health and T2D, and evaluated the role of sodium-glucose-cotransporter-3 (SGLT3) as the possible sensor...
2016: PloS One
https://www.readbyqxmd.com/read/27760310/a-glo1-methylglyoxal-pathway-that-is-perturbed-in-maternal-diabetes-regulates-embryonic-and-adult-neural-stem-cell-pools-in-murine-offspring
#19
Guang Yang, Gonzalo I Cancino, Siraj K Zahr, Axel Guskjolen, Anastassia Voronova, Denis Gallagher, Paul W Frankland, David R Kaplan, Freda D Miller
Maternal diabetes is known to adversely influence brain development in offspring. Here, we provide evidence that this involves the circulating metabolite methylglyoxal, which is increased in diabetes, and its detoxifying enzyme, glyoxalase 1 (Glo1), which when mutated is associated with neurodevelopmental disorders. Specifically, when Glo1 levels were decreased in embryonic mouse cortical neural precursor cells (NPCs), this led to premature neurogenesis and NPC depletion embryonically and long-term alterations in cortical neurons postnatally...
October 18, 2016: Cell Reports
https://www.readbyqxmd.com/read/27721184/liraglutide-promotes-improvements-in-objective-measures-of-cognitive-dysfunction-in-individuals-with-mood-disorders-a-pilot-open-label-study
#20
Rodrigo B Mansur, Juhie Ahmed, Danielle S Cha, Hanna O Woldeyohannes, Mehala Subramaniapillai, Julie Lovshin, Jung G Lee, Jae-Hon Lee, Elisa Brietzke, Eva Z Reininghaus, Kang Sim, Maj Vinberg, Natalie Rasgon, Tomas Hajek, Roger S McIntyre
BACKGROUND: There is a paucity of treatments that are capable of reliably and robustly improving cognitive function in adults with mood disorders. Glucagon-like peptide-1 is synthesized centrally and its receptors are abundantly expressed in neural circuits subserving cognitive function. We aimed to determine the effects of liraglutide, a GLP-1 receptor (GLP-1R) agonist, on objective measures of cognition in adults with a depressive or bipolar disorder. METHODS: In this 4-week, pilot, open-label, domain-based study (e...
January 1, 2017: Journal of Affective Disorders
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