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Plasticity related proteins

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https://www.readbyqxmd.com/read/29339557/chronic-dietary-creatine-enhances-hippocampal-dependent-spatial-memory-bioenergetics-and-levels-of-plasticity-related-proteins-associated-with-nf-%C3%AE%C2%BAb
#1
Wanda M Snow, Chris Cadonic, Claudia Cortes-Perez, Subir K Roy Chowdhury, Jelena Djordjevic, Ella Thomson, Michael J Bernstein, Miyoung Suh, Paul Fernyhough, Benedict C Albensi
The brain has a high demand for energy, of which creatine (Cr) is an important regulator. Studies document neurocognitive benefits of oral Cr in mammals, yet little is known regarding their physiological basis. This study investigated the effects of Cr supplementation (3%, w/w) on hippocampal function in male C57BL/6 mice, including spatial learning and memory in the Morris water maze and oxygen consumption rates from isolated mitochondria in real time. Levels of transcription factors and related proteins (CREB, Egr1, and IκB to indicate NF-κB activity), proteins implicated in cognition (CaMKII, PSD-95, and Egr2), and mitochondrial proteins (electron transport chain Complex I, mitochondrial fission protein Drp1) were probed with Western blotting...
February 2018: Learning & Memory
https://www.readbyqxmd.com/read/29337896/caffeic-acid-and-metformin-inhibit-invasive-phenotype-induced-by-tgf-%C3%AE-1-in-c-4i-and-htb-35-siha-human-cervical-squamous-carcinoma-cells-by-acting-on-different-molecular-targets
#2
Malgorzata Tyszka-Czochara, Malgorzata Lasota, Marcin Majka
During the progression of epithelial cancer, the cells may lose epithelial markers and gain mesenchymal phenotype via Epithelial-Mesenchymal Transition (EMT). Such transformation of epithelial cancer cells to mesenchymal-like characteristic benefits plasticity and supports their ability to migrate. The aim of this study was to evaluate the influence of natural compound Caffeic Acid (CA) alone and in combination with antidiabetic drug Metformin (Met) on metastatic progression of two human cervical squamous cell cancer lines, C-4I and HTB-35/SiHa cells...
January 16, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29337283/variability-studies-of-allochthonous-stone-pine-pinus-pinea-l-plantations-in-chile-through-nut-protein-profiling
#3
V Loewe, R M Navarro-Cerrillo, R Sánchez Lucas, F J Ruiz Gómez, J Jorrín-Novo
Stone pine (Pinus pinea) is characterized by low differentiation of growth parameters, high phenotypic plasticity and low genetic variability; detecting its diversity in introduced Chilean populations is therefore relevant for conservation and breeding programs. Here, variability among allochthonous Stone pine populations in Chile was explored using electrophoresis-based proteomic analysis of pine nuts. Cones from 30 populations distributed along a climatic gradient in Chile were surveyed and sampled, and proteins were extracted from seed flour using the TCA-acetone precipitation protocol...
January 11, 2018: Journal of Proteomics
https://www.readbyqxmd.com/read/29331712/genetic-biomarkers-for-differential-diagnosis-of-major-depressive-disorder-and-bipolar-disorder-a-systematic-and-critical-review
#4
REVIEW
Itiana Castro Menezes, Cristiane von Werne Baes, Riccardo Lacchini, Mario Francisco Juruena
Depressive symptoms are present in the depressive mood state of bipolar disorder (BPD) and major depression disorder (MDD). Often, in clinical practice, BPD patients are misdiagnosed with MDD. Therefore, genetic biomarkers could contribute to the improvement of differential diagnosis between BPD and MDD. This systematic and critical review aimed to find in literature reliable genetic biomarkers that may show differences between BPD and MDD. This systematic review followed the PRISMA-P method. The terms used to search PubMed, Scopus, PsycINFO, and Web of Science were depress*, bipolar, diagnos*, genetic*, biomark*...
January 10, 2018: Behavioural Brain Research
https://www.readbyqxmd.com/read/29329879/mir-134-modulates-chronic-stress-induced-structural-plasticity-and-depression-like-behaviors-via-downregulation-of-limk1-cofilin-signaling-in-rats
#5
Cuiqin Fan, Xiuzhi Zhu, Qiqi Song, Peng Wang, Zhuxi Liu, Shu Yan Yu
Increasing evidence has suggested that depression is a neuropsychiatric condition associated with neuroplasticity within specific brain regions. However, the mechanisms by which neuroplasticity exerts its effects in depression remain largely uncharacterized. In the present study we show that chronic stress effectively induces depression-like behaviors in rats, an effect which was associated with structural changes in dendritic spines and synapse abnormalities within neurons of the ventromedial prefrontal cortex (vmPFC)...
January 9, 2018: Neuropharmacology
https://www.readbyqxmd.com/read/29323700/heat-shock-protein-hsp-regulation-by-muscarinic-acetylcholine-receptor-machr-activation-in-the-rat-hippocampus
#6
Frinchi Monica, Scaduto Pietro, Cappello Francesco, Belluardo Natale, Mudò Giuseppa
The cholinergic system plays a crucial role in modulating in the central nervous system physiological responses such as neurogenesis, neuronal differentiation, synaptic plasticity and neuroprotection. In a recent study, we showed that Oxotremorine-M, a non-selective muscarinic acetylcholine receptor agonist, is able to transactivate the fibroblast growth factor receptor and to produce a significant increase in the hippocampal primary neurite outgrowth. In the present study we aimed to explore in the rat hippocampus the possible effect of acute or chronic treatment with Oxotremorine-M on some heat shock proteins (Hsp60, Hsp70, Hsp90) and on activation of related transcription factor heat shock factor 1 (HSF1)...
January 11, 2018: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29320582/thyroid-transcriptome-analysis-reveals-different-adaptive-responses-to-cold-environmental-conditions-between-two-chicken-breeds
#7
Shanshan Xie, Xukai Yang, Dehe Wang, Feng Zhu, Ning Yang, Zhuocheng Hou, Zhonghua Ning
Selection for cold tolerance in chickens is important for improving production performance and animal welfare. The identification of chicken breeds with higher cold tolerance and production performance will help to target candidates for the selection. The thyroid gland plays important roles in thermal adaptation, and its function is influenced by breed differences and transcriptional plasticity, both of which remain largely unknown in the chicken thyroid transcriptome. In this study, we subjected Bashang Long-tail (BS) and Rhode Island Red (RIR) chickens to either cold or warm environments for 21 weeks and investigated egg production performance, body weight changes, serum thyroid hormone concentrations, and thyroid gland transcriptome profiles...
2018: PloS One
https://www.readbyqxmd.com/read/29316250/dual-inhibition-of-wnt-and-yes-associated-protein-signaling-retards-the-growth-of-triple-negative-breast-cancer-in-both-mesenchymal-and-epithelial-states
#8
Andrew Sulaiman, Sarah McGarry, Li Li, Deyong Jia, Sarah Ooi, Christina Addison, Jim Dimitroulakos, Angel Arnaout, Carolyn Nessim, Zemin Yao, Guang Ji, Haiyan Song, Suresh Gadde, Xuguang Li, Lisheng Wang
Triple negative breast cancer (TNBC), the most refractory subtype of breast cancer to current treatments, accounts disproportionately for the majority of breast cancer related deaths. This is largely due to cancer plasticity and the development of cancer stem cells (CSCs). Recently, distinct yet interconvertible mesenchymal-like and epithelial-like states have been revealed in breast CSCs. Thus, strategies capable of simultaneously inhibiting bulk and CSC populations in both mesenchymal and epithelial states have yet to be developed...
January 9, 2018: Molecular Oncology
https://www.readbyqxmd.com/read/29314192/parvalbumin-producing-striatal-interneurons-receive-excitatory-inputs-onto-proximal-dendrites-from-the-motor-thalamus-in-male-mice
#9
Yasutake Nakano, Fuyuki Karube, Yasuharu Hirai, Kenta Kobayashi, Hiroyuki Hioki, Shinichiro Okamoto, Hiroshi Kameda, Fumino Fujiyama
In rodents, the dorsolateral striatum regulates voluntary movement by integrating excitatory inputs from the motor-related cerebral cortex and thalamus to produce contingent inhibitory output to other basal ganglia nuclei. Striatal parvalbumin (PV)-producing interneurons receiving this excitatory input then inhibit medium spiny neurons (MSNs) and modify their outputs. To understand basal ganglia function in motor control, it is important to reveal the precise synaptic organization of motor-related cortical and thalamic inputs to striatal PV interneurons...
January 4, 2018: Journal of Neuroscience Research
https://www.readbyqxmd.com/read/29309043/alterations-of-synaptic-plasticity-in-aged-rats-evidence-of-functional-and-morphological-studies
#10
Qiong Xiang, Xian-Hui Li, Xin-Xing Fang, Jing Jia, Jie Ren, Yu-Chun Dong, Cheng Ou-Yang
BACKGROUND: The aging-related disease and associated neurodegenerative complications, such as cognitive impairment, has received increasing attention. OBJECTIVE: The aim of this study was to show changes in cognitive behavior and molecular related the synaptic plasticity in aged-induced cognitive deficits rats. METHODS: We used novel object recognition testing and morphological staining as well as western blot to detect changes in cognitive behavior and molecular related the synaptic plasticity...
December 22, 2017: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
https://www.readbyqxmd.com/read/29302702/furin-promotes-dendritic-morphogenesis-and-learning-and-memory-in-transgenic-mice
#11
Binglin Zhu, Lige Zhao, Dong Luo, Demei Xu, Tao Tan, Zhifang Dong, Ying Tang, Zhuo Min, Xiaojuan Deng, Fei Sun, Zhen Yan, Guojun Chen
Furin is a proprotein convertase implicated in a variety of pathological processes including neurodegenerative diseases. However, the role of furin in neuronal plasticity and learning and memory remains to be elucidated. Here, we report that in brain-specific furin transgenic (Furin-Tg) mice, the dendritic spine density and proliferation of neural progenitor cells were significantly increased. These mice exhibited enhanced long-term potentiation (LTP) and spatial learning and memory performance, without alterations of miniature excitatory/inhibitory postsynaptic currents...
January 4, 2018: Cellular and Molecular Life Sciences: CMLS
https://www.readbyqxmd.com/read/29301872/prefrontal-cortico-striatal-disconnection-blocks-the-acquisition-of-goal-directed-action
#12
Genevra Hart, Laura A Bradfield, Bernard W Balleine
The acquisition of goal-directed action requires encoding the association between an action and its specific consequences or outcome. At a neural level, this encoding has been hypothesized to involve a prefrontal corticostriatal circuit involving the projection from the prelimbic cortex (PL) to the posterior dorsomedial striatum (pDMS); however, no direct evidence for this claim has been reported. In a series of experiments, we performed functional disconnection of this pathway using targeted lesions of the anterior corpus callosum to disrupt contralateral corticostriatal projections with asymmetrical lesions of the PL and/or pDMS to block plasticity in this circuit in rats...
January 4, 2018: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/29285667/epigenetic-erasing-and-pancreatic-differentiation-of-dermal-fibroblasts-into-insulin-producing-cells-are-boosted-by-the-use-of-low-stiffness-substrate
#13
Georgia Pennarossa, Rosaria Santoro, Elena F M Manzoni, Maurizio Pesce, Fulvio Gandolfi, Tiziana A L Brevini
Several studies have demonstrated the possibility to revert differentiation process, reactivating hypermethylated genes and facilitating cell transition to a different lineage. Beside the epigenetic mechanisms driving cell conversion processes, growing evidences highlight the importance of mechanical forces in supporting cell plasticity and boosting differentiation. Here, we describe epigenetic erasing and conversion of dermal fibroblasts into insulin-producing cells (EpiCC), and demonstrate that the use of a low-stiffness substrate positively influences these processes...
December 28, 2017: Stem Cell Reviews
https://www.readbyqxmd.com/read/29283498/neuronal-rna-binding-protein-hud-regulates-addiction-related-gene-expression-and-behavior
#14
Robert J Oliver, Jonathan L Brigman, Federico Bolognani, Andrea M Allan, Janet L Neisewander, Nora I Perrone-Bizzozero
The neuronal RNA-binding protein HuD is involved in synaptic plasticity and learning and memory mechanisms. These effects are thought to be due to HuD-mediated stabilization and translation of target mRNAs associated with plasticity. To investigate the potential role of HuD in drug addiction, we first used bioinformatics prediction algorithms together with microarray analyses to search for specific genes and functional networks upregulated within the forebrain of HuD overexpressing mice (HuDOE ). When this set was further limited to genes in the Knowledgebase of Addiction Related Genes database (KARG) that contains predicted HuD-binding sites in their 3' untranslated regions (3' UTR), we found that HuD regulates networks that have been associated with addiction-like behavior...
December 28, 2017: Genes, Brain, and Behavior
https://www.readbyqxmd.com/read/29279858/unsupervised-network-analysis-of-the-plastic-supraoptic-nucleus-transcriptome-predicts-caprin2-regulatory-interactions
#15
Su-Yi Loh, Thomas Jahans-Price, Michael P Greenwood, Mingkwan Greenwood, See-Ziau Hoe, Agnieszka Konopacka, Colin Campbell, David Murphy, Charles C T Hindmarch
The supraoptic nucleus (SON) is a group of neurons in the hypothalamus responsible for the synthesis and secretion of the peptide hormones vasopressin and oxytocin. Following physiological cues, such as dehydration, salt-loading and lactation, the SON undergoes a function related plasticity that we have previously described in the rat at the transcriptome level. Using the unsupervised graphical lasso (Glasso) algorithm, we reconstructed a putative network from 500 plastic SON genes in which genes are the nodes and the edges are the inferred interactions...
November 2017: ENeuro
https://www.readbyqxmd.com/read/29277582/behavioral-tagging-synaptic-event-or-cellular-alteration
#16
REVIEW
Volker Korz
Recently a number of studies were published addressing the translation of the synaptic tagging and capture hypothesis (STCH), developed and tested in hippocampal slices, into learning and long-term memory mechanisms in intact animals. Based on behavioral observations, these studies show similar results as in the original STCH experiments. A weak memory, induced by weak training in one hippocampus dependent behavioral task is converted into a long-term memory, by timely related induction of a long-term memory, induced by strong training in a second hippocampus dependent task...
December 23, 2017: Neurobiology of Learning and Memory
https://www.readbyqxmd.com/read/29259880/gene-expression-of-an-arabinogalactan-lysine-rich-protein-caagp18-during-vegetative-and-reproductive-development-of-bell-pepper-capsicum-annuum-l
#17
Mercedes Verdugo-Perales, Rosabel Velez-de la Rocha, Josefina León-Félix, Tomas Osuna-Enciso, José B Heredia, Juan A Osuna-Castro, Maria A Islas-Osuna, J Adriana Sañudo-Barajas
Lysine-rich (Lys-rich) proteins encoded by AGP17, AGP18, and AGP19 genes are cell wall-associated glycopeptides related to sexual reproduction in flowering plants. This subclass belongs to classical arabinogalactan proteins (AGPs) widely studied in model plants like Arabidopsis. In this study, we identified the CaAGP18 cDNA from bell pepper (Capsicum annuum L.), as well as its expression pattern during vegetative and reproductive development. The deduced amino acid sequence revealed a Lys-rich AGP18 protein of 238 amino acids residues in length with an estimated molecular mass of 22...
January 2018: 3 Biotech
https://www.readbyqxmd.com/read/29258853/drosophila-active-zones-from-molecules-to-behaviour
#18
REVIEW
Nadine Ehmann, David Owald, Robert J Kittel
In a constantly changing environment, neuronal circuits need to be updated and adjusted to elicit directed actions. Synaptic plasticity plays an important role in modulating such globally and locally acting networks. The active zone (AZ) is a protein-rich compartment of chemical synapses, where precisely orchestrated molecular interactions control synaptic vesicle (SV) fusion with the presynaptic membrane. The subsequent release of neurotransmitter substances onto postsynaptic receptor fields forms the basis of neuronal communication...
December 16, 2017: Neuroscience Research
https://www.readbyqxmd.com/read/29248454/acquisition-of-cholangiocarcinoma-traits-during-advanced-hepatocellular-carcinoma-development-in-mice
#19
Liyuan Li, Maoxiang Qian, I-Hsuan Chen, David Finkelstein, Arzu Onar-Thomas, Melissa Johnson, Christopher Calabrese, Armita Bahrami, Dolores H López-Terrada, Jun J Yang, W Andy Tao, Liqin Zhu
Past studies have identified hepatic tumors with mixed hepatocellular carcinoma (HCC) and cholangiocarcinoma (CC) characteristics which have a more aggressive behavior and a poorer prognosis than classic HCC. Whether this pathological heterogeneity is due to a cell of origin of bipotent liver progenitors or the plasticity of cellular constituents comprising these tumors remains debated. In this study, we investigated the potential acquisition of CC-like traits during advanced development of HCC in mice. Primary and rare high-grade HCC developed in a genetic mouse model...
December 14, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/29244485/critical-role-of-trp-588-of-presynaptic-munc13-1-for-ligand-binding-and-membrane-translocation
#20
Joydip Das, Noemi Kedei, Jessica S Kelsey, Youngki You, Satyabrata Pany, Gary A Mitchell, Nancy E Lewin, Peter M Blumberg
Munc13-1 is a presynaptic active-zone protein essential for neurotransmitter release and presynaptic plasticity in the brain. This multi-domain scaffold protein contains a C1 domain that binds to the activator diacylglycerol/phorbol ester. Although the C1 domain bears close structural homology with the C1 domains of protein kinase C (PKC), the tryptophan residue at position 22 (588 in the full-length Munc13-1) occludes the activator binding pocket, which is not the case for PKC. To elucidate the role of this tryptophan, we generated W22A, W22K, W22D, W22Y and W22F substitutions in the full-length Munc13-1, expressed the GFP- tagged constructs in Neuro-2a cells, and measured their membrane translocation in response to phorbol ester treatment by imaging of the live cells using confocal microscopy...
December 15, 2017: Biochemistry
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