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Collapsin response mediator protein

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https://www.readbyqxmd.com/read/28638064/quantitative-phosphoproteomics-reveals-a-role-for-collapsin-response-mediator-protein-2-in-pdgf-induced-cell-migration
#1
Adil R Sarhan, Justyna Szyroka, Shabana Begum, Michael G Tomlinson, Neil A Hotchin, John K Heath, Debbie L Cunningham
The Platelet Derived Growth Factor (PDGF) family of ligands have well established functions in the induction of cell proliferation and migration during development, tissue homeostasis and interactions between tumours and stroma. However, the mechanisms by which these actions are executed are incompletely understood. Here we report a differential phosphoproteomics study, using a SILAC approach, of PDGF-stimulated mouse embryonic fibroblasts (MEFs). 116 phospho-sites were identified as up-regulated and 45 down-regulated in response to PDGF stimulation...
June 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28616018/collapsin-response-mediator-protein-2-plays-a-major-protective-role-in-acute-axonal-degeneration
#2
REVIEW
Jian-Nan Zhang, Jan C Koch
Axonal degeneration is a key pathological feature in many neurological diseases. It often leads to persistent deficits due to the inability of axons to regenerate in the central nervous system. Therefore therapeutic approaches should optimally both attenuate axonal degeneration and foster axonal regeneration. Compelling evidence suggests that collapsin response mediator protein-2 (CRMP2) might be a molecular target fulfilling these requirements. In this mini-review, we give a compact overview of the known functions of CRMP2 and its molecular interactors in neurite outgrowth and in neurodegenerative conditions...
May 2017: Neural Regeneration Research
https://www.readbyqxmd.com/read/28524835/collapsin-response-mediator-protein-2-induced-retinal-ischemic-injury-in-a-novel-mice-model-of-ocular-ischemia-syndrome
#3
Yu Wang, Xiao-Lei Wang, Guo-Li Xie, Hong-Yang Li, Yan-Ling Wang
BACKGROUND: Collapsin response mediator protein-2 (CRMP2) has been shown to be involved in ischemia/hypoxia (IH) injury. We determined whether CRMP2 modulates ischemic injury in the retinal of Ocular ischemic syndrome (OIS). This study was to explore the molecular mechanisms underlying OIS in a novel mice model. METHODS: Experiments were performed on adult male C57/BL6 mice that received bilateral internal carotid arteries ligation for 1, 2, or 4 weeks. The mice received injection of calpeptin group before occlusion for 4 weeks or not...
June 5, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28500272/probing-the-lithium-response-pathway-in-hipscs-implicates-the-phosphoregulatory-set-point-for-a-cytoskeletal-modulator-in-bipolar-pathogenesis
#4
Brian T D Tobe, Andrew M Crain, Alicia M Winquist, Barbara Calabrese, Hiroko Makihara, Wen-Ning Zhao, Jasmin Lalonde, Haruko Nakamura, Glenn Konopaske, Michelle Sidor, Cameron D Pernia, Naoya Yamashita, Moyuka Wada, Yuuka Inoue, Fumio Nakamura, Steven D Sheridan, Ryan W Logan, Michael Brandel, Dongmei Wu, Joshua Hunsberger, Laurel Dorsett, Cordulla Duerr, Ranor C B Basa, Michael J McCarthy, Namrata D Udeshi, Philipp Mertins, Steven A Carr, Guy A Rouleau, Lina Mastrangelo, Jianxue Li, Gustavo J Gutierrez, Laurence M Brill, Nikolaos Venizelos, Guang Chen, Jeffrey S Nye, Husseini Manji, Jeffrey H Price, Colleen A McClung, Hagop S Akiskal, Martin Alda, De-Maw M Chuang, Joseph T Coyle, Yang Liu, Yang D Teng, Toshio Ohshima, Katsuhiko Mikoshiba, Richard L Sidman, Shelley Halpain, Stephen J Haggarty, Yoshio Goshima, Evan Y Snyder
The molecular pathogenesis of bipolar disorder (BPD) is poorly understood. Using human-induced pluripotent stem cells (hiPSCs) to unravel such mechanisms in polygenic diseases is generally challenging. However, hiPSCs from BPD patients responsive to lithium offered unique opportunities to discern lithium's target and hence gain molecular insight into BPD. By profiling the proteomics of BDP-hiPSC-derived neurons, we found that lithium alters the phosphorylation state of collapsin response mediator protein-2 (CRMP2)...
May 30, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28461116/anti-neuronal-anti-bodies-in-patients-with-early-psychosis
#5
O Mantere, M Saarela, T Kieseppä, T Raij, T Mäntylä, M Lindgren, E Rikandi, W Stoecker, B Teegen, J Suvisaari
It may be challenging to distinguish autoimmune encephalitis associated with anti-neuronal autoantibodies from primary psychiatric disorders. Here, serum was drawn from patients with a first-episode psychosis (n=70) or a clinical high-risk for psychosis (n=6) and controls (n=34). We investigated the serum prevalence of 24 anti-neuronal autoantibodies: IgG antibodies for anti-N-methyl-d-aspartate-type glutamate receptor (anti-NMDAR), glutamate and γ-aminobutyric acid alpha and beta receptors (GABA-a, GABA-b), alpha-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid receptor (AMPA), glycine receptor (GlyR), metabotropic glutamate receptor 1 and 5 (mGluR1, mGluR5), anti-Tr/Delta/notch-like epidermal growth factor-related receptor (DNER), contactin-associated protein-like 2 (CASPR2), myelin oligodendrocyte glycoprotein (MOG), glutamic acid decarboxylase-65 (GAD65), collapsin response mediator protein 5/crossveinless-2 (CV2), aquaporin-4 (AQP4), anti-dipeptidyl-peptidase-like protein-6 (DPPX), type 1 anti-neuronal nuclear antibody (ANNA-1, Hu), Ri, Yo, IgLON5, Ma2, zinc finger protein 4 (ZIC4), Rho GTPase-activating protein 26, amphiphysin, and recoverin, as well as IgA and IgM for dopamine-2-receptor (DRD2)...
April 28, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28445771/cyclin-dependent-kinase-5-collapsin-response-mediator-protein-2-pathway-may-mediate-sevoflurane-induced-dendritic-development-abnormalities-in-rat-cortical-neurons
#6
Yafang Liu, Daowei Lin, Chuiliang Liu, Yifan Zhao, Zhiwen Shen, Kun Zhang, Minghui Cao, Yujuan Li
Sevoflurane has been reported to induce neurotoxicity and cognitive impairment in the developing brains. However, the underlying molecular mechanisms remain poorly understood. Recent studies have demonstrated aberrant cyclin-dependent kinase 5 (CDK5) activity is implicated in inhaled anesthetic-induced neurotoxicity. CDK5/CRMP2 signaling is involved in the cortical and hippocampal dendritic development. The aim of present study is to investigate whether the CDK5/CRMP2 pathway mediates sevoflurane-induced dendritic development abnormalities...
April 24, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28413470/identification-of-genes-associated-with-the-effect-of-inflammation-on-the-neurotransmission-of-vascular-smooth-muscle-cell
#7
Shujie Gan, Shenlong Qiu, Yiwen Feng, Yanping Zhang, Qin Qian, Zhong Wan, Jingdong Tang
Vascular smooth muscle cell (VSMC) accumulation and hypertrophy are common in vascular disorders, and inflammation has a crucial role in the development of these diseases. To investigate the effect of inflammation on the neurotransmission of VSMC, bioinformatic analysis was performed, following next generation sequencing. Genes of lipopolysaccharide (LPS)-treated A7r5 cells and phosphate-buffered saline (PBS)-treated A7r5 cells were sequenced via next generation sequencing, and each assay was repeated three times...
April 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28382925/combined-analysis-of-crmp4-methylation-levels-and-capra-s-score-predicts-metastasis-and-outcomes-in-prostate-cancer-patients
#8
Qun-Xiong Huang, Chu-Tian Xiao, Zheng Chen, Min-Hua Lu, Jun Pang, Jin-Ming Di, Zi-Huan Luo, Xin Gao
The present study analyzed the predictive value of combined analysis of collapsin response mediator protein 4 (CRMP4) methylation levels and the Cancer of the Prostate Risk Assessment (CAPRA-S) Postsurgical score of patients who required adjuvant hormone therapy (AHT) after radical prostatectomy (RP). We retrospectively analyzed 305 patients with prostate cancer (PCa) who received RP and subsequent androgen deprivation therapy (ADT). Two hundred and thirty patients with clinically high-risk PCa underwent immediate ADT, and 75 patients with intermediate risk PCa underwent deferred ADT...
April 4, 2017: Asian Journal of Andrology
https://www.readbyqxmd.com/read/28374915/drp5-is-involved-in-cancer-cell-growth-and-predicts-poor-prognosis-in-human-osteosarcoma
#9
Lin Wang, Weihai Liu, Hengtao Tang, Xianbiao Xie, Changye Zou, Yongqian Wang, Zhenhua Gao, Junqiang Yin
Osteosarcoma is an extremely aggressive primary malignant bone tumor of childhood. Collapsin response mediator proteins (CRMPs), which are highly expressed in the developing nervous system, were recently shown to be associated with cancer development. However, the relationship between DRP5 (CRMP5) and osteosarcoma has not been evaluated. In this study, we investigated the role of DRP5 in the regulation of osteosarcoma growth. DRP5 mRNA and protein levels were significantly upregulated in human osteosarcoma cell lines and associated with increased migration and invasion...
May 2017: Cancer Medicine
https://www.readbyqxmd.com/read/28366719/minocycline-restores-cognitive-relative-altered-proteins-in-young-bile-duct-ligated-rat-prefrontal-cortex
#10
Shih-Wen Li, Yu-Chieh Chen, Jiunn-Ming Sheen, Mei-Hsin Hsu, You-Lin Tain, Kow-Aung Chang, Li-Tung Huang
AIMS: Bile duct ligation (BDL) model is used to study hepatic encephalopathy accompanied by cognitive impairment. We employed the proteomic analysis approach to evaluate cognition-related proteins in the prefrontal cortex of young BDL rats and analyzed the effect of minocycline on these proteins and spatial memory. MAIN METHODS: BDL was induced in young rats at postnatal day 17. Minocycline as a slow-release pellet was implanted into the peritoneum. Morris water maze test and two-dimensional liquid chromatography-tandem mass spectrometry were used to evaluate spatial memory and prefrontal cortex protein expression, respectively...
July 1, 2017: Life Sciences
https://www.readbyqxmd.com/read/28277940/a-single-structurally-conserved-sumoylation-site-in-crmp2-controls-nav1-7-function
#11
Erik Thomas Dustrude, Samantha Perez-Miller, Liberty François-Moutal, Aubin Moutal, May Khanna, Rajesh Khanna
The neuronal collapsin response mediator protein 2 (CRMP2) undergoes several posttranslational modifications that codify its functions. Most recently, CRMP2 SUMOylation (addition of small ubiquitin like modifier (SUMO)) was identified as a key regulatory step within a modification program that codes for CRMP2 interaction with, and trafficking of, voltage-gated sodium channel NaV1.7. In this paper, we illustrate the utility of combining sequence alignment within protein families with structural analysis to identify, from several putative SUMOylation sites, those that are most likely to be biologically relevant...
February 28, 2017: Channels
https://www.readbyqxmd.com/read/28271640/neuroprotective-effect-of-lacosamide-on-hypoxic-ischemic-brain-injury-in-neonatal-rats
#12
Gun Ha Kim, Jung Hye Byeon, Baik Lin Eun
BACKGROUND AND PURPOSE: Lacosamide (LCM) is an antiepileptic drug that enhances the slow inactivation of sodium channels and modulates collapsin response mediator protein-2. LCM was recently demonstrated to exert a neuroprotective effect in a murine model of traumatic brain injury and status epilepticus. Assuming the same underlying excitotoxicity-related brain injury mechanism, we hypothesized that LCM would have a neuroprotective effect in hypoxic-ischemic brain injury. METHODS: We divided rats into three groups at each testing session: pre- or postfed with LCM, fed with normal saline, and sham...
April 2017: Journal of Clinical Neurology
https://www.readbyqxmd.com/read/28254884/a-functional-coupling-between-crmp1-and-nav1-7-for-retrograde-propagation-of-semaphorin3a-signaling
#13
Masayuki Yamane, Naoya Yamashita, Tomonobu Hida, Yoshinori Kamiya, Fumio Nakamura, Pappachan Kolattukudy, Yoshio Goshima
Semaphorin3A (Sema3A) is a secreted type of axon guidance molecule that regulates axon wiring through complexes of neuropilin-1 (NRP1) with PlexinA protein receptors. Sema3A regulates the dendritic branching through tetrodotoxin (TTX)-sensitive retrograde axonal transport of PlexA proteins and tropomyosin-related kinase A (TrkA) complex. We here demonstrate that Nav1.7 (encoded by SCN9A), a TTX-sensitive Na(+) channel, by coupling with collapsin response mediator protein 1 (CRMP1), mediates the Sema3A-induced retrograde transport...
April 15, 2017: Journal of Cell Science
https://www.readbyqxmd.com/read/28161890/homology-guided-mutational-analysis-reveals-the-functional-requirements-for-antinociceptive-specificity-of-collapsin-response-mediator-protein-2-derived-peptides
#14
Aubin Moutal, Wennan Li, Yue Wang, Weina Ju, Shizhen Luo, Song Cai, Liberty François-Moutal, Samantha Perez-Miller, Jackie Hu, Erik T Dustrude, Todd W Vanderah, Vijay Gokhale, May Khanna, Rajesh Khanna
BACKGROUND AND PURPOSE: N-type voltage-gated calcium (Cav 2.2) channels are critical determinants of increased neuronal excitability and neurotransmission accompanying persistent neuropathic pain. Although Cav 2.2 channel antagonists are recommended as first-line treatment for neuropathic pain, calcium-current blocking gabapentinoids inadequately alleviate chronic pain symptoms and often exhibit numerous side effects. Collapsin response mediator protein 2 (CRMP2) targets Cav 2.2 channels to the sensory neuron membrane and allosterically modulates their function...
February 5, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28122909/prospective-study-of-crmp4-promoter-methylation-in-prostate-biopsies-as-a-predictor-for-lymph-node-metastases
#15
Xin Gao, Liao-Yuan Li, Jörg Rassler, Jun Pang, Ming-Kun Chen, Wei-Peng Liu, Zheng Chen, Shan-Cheng Ren, Fang-Jian Zhou, Ke-Ji Xie, Xing Zhou, Hui-Jun Qian, Xian-Zhong Bai, Jiu-Min Liu, Jiang-Gen Yang, Dan He, Chun-Kui Shao, Zu-Lan Su, Jing Wang, Jian-Guang Qiu, Li Ling
BACKGROUND: For patients with prostate cancer (PCa), the presence of pelvic lymph node metastasis (LNM) is a strong predictor of poor outcome. However, the approaches with promising sensitivity and specificity to detect LNM are still lacking. We investigated the value of collapsin response mediator protein 4 (CRMP4) promoter methylation in biopsies as a predictor for LNM. METHODS: CRMP4 promoter methylation at two previously identified CpG sites was determined in 80 case-matched biopsy samples (the training set) using bisulfite pyrosequencing...
January 2017: Journal of the National Cancer Institute
https://www.readbyqxmd.com/read/28101231/the-biological-significance-of-methylome-differences-in-human-papilloma-virus-associated-head-and-neck-cancer
#16
Maria J Worsham, Kang Mei Chen, Indrani Datta, Josena K Stephen, Dhananjay Chitale, Alexandra Gothard, George Divine
In recent years, studies have suggested that promoter methylation in human papilloma virus (HPV) positive head and neck squamous cell carcinoma (HNSCC) has a mechanistic role and has the potential to improve patient survival. The present study aimed to replicate key molecular findings from previous analyses of the methylomes of HPV positive and HPV negative HNSCC in an independent cohort, to assess the reliability of differentially methylated markers in HPV-associated tumors. HPV was measured using real-time quantitative PCR and the biological significance of methylation differences was assessed by Ingenuity Pathway Analysis (IPA)...
December 2016: Oncology Letters
https://www.readbyqxmd.com/read/28044206/collapsin-response-mediator-protein-2-high-resolution-crystal-structure-sheds-light-on-small-molecule-binding-post-translational-modifications-and-conformational-flexibility
#17
Matti Myllykoski, Anne Baumann, Kenneth Hensley, Petri Kursula
Collapsin response mediator protein 2 (CRMP-2) is a neuronal protein involved in axonal pathfinding. Intense research is focusing on its role in various neurological diseases. Despite a wealth of studies, not much is known about the molecular mechanisms of CRMP-2 function in vivo. The detailed structure-function relationships of CRMP-2 have also largely remained unknown, in part due to the fact that the available crystal structures lack the C-terminal tail, which is known to be a target for many post-translational modifications and protein interactions...
April 2017: Amino Acids
https://www.readbyqxmd.com/read/28025999/mir-200a-3p-promotes-the-proliferation-of-human-esophageal-cancer-cells-by-post-transcriptionally-regulating-cytoplasmic-collapsin-response-mediator-protein-1
#18
Yanzi Zang, Yong Tai, Baoluo Wan, Xiaodong Jia
The dysregulation of cytoplasmic collapsin response mediator protein 1 (CRMP1) has been reported in lung cancer, medulloblastoma and esophageal cancer. However, the role of CRMP1 and its regulatory mechanisms in esophageal cancer remain unclear. In this study, we demonstrated that CRMP1 expression was downregulated in esophageal cancer tissues and that there were differences in its expression levels in different esophageal cancer cell lines. We found that CRMP1 overexpression inhibited the proliferation of esophageal cancer cells, whereas the silencing of CRMP1 promoted cell proliferation...
November 2016: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/27940916/hierarchical-crmp2-posttranslational-modifications-control-nav1-7-function
#19
Erik T Dustrude, Aubin Moutal, Xiaofang Yang, Yuying Wang, May Khanna, Rajesh Khanna
Voltage-gated sodium channels are crucial determinants of neuronal excitability and signaling. Trafficking of the voltage-gated sodium channel NaV1.7 is dysregulated in neuropathic pain. We identify a trafficking program for NaV1.7 driven by hierarchical interactions with posttranslationally modified versions of the binding partner collapsin response mediator protein 2 (CRMP2). The binding described between CRMP2 and NaV1.7 was enhanced by conjugation of CRMP2 with small ubiquitin-like modifier (SUMO) and further controlled by the phosphorylation status of CRMP2...
December 27, 2016: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/27917413/efficacy-of-s-lacosamide-in-preclinical-models-of-cephalic-pain
#20
Aubin Moutal, Nathan Eyde, Edwin Telemi, Ki Duk Park, Jennifer Y Xie, David W Dodick, Frank Porreca, Rajesh Khanna
Migraine is one of the world's most common neurological disorders. Current acute migraine treatments have sub-optimal efficacy and new therapeutic options are needed. Approaches targeting calcitonin gene related peptide (CGRP) signaling are clinically effective but small molecule antagonists have not been advanced due to toxicity. In this study, we explored the axonal growth/specification collapsin response mediator protein 2 (CRMP2) as a novel "druggable" target for inhibiting CGRP release and for potential relevance for treatment of migraine pain...
June 2016: Pain Reports (Baltimore, Md.)
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