Search Results - "Alvaro Villarroel"
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Microglia-Mediated Inflammation and Neural Stem Cell Differentiation in Alzheimer’s Disease: Possible Therapeutic Role of KV1.3 Channel Blockade
Published in Frontiers in cellular neuroscience (21-04-2022)“…Increase of deposits of amyloid β peptides in the extracellular matrix is landmark during Alzheimer’s Disease (AD) due to the imbalance in the production vs…”
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Atomistic Insights of Calmodulin Gating of Complete Ion Channels
Published in International journal of molecular sciences (14-02-2020)“…Intracellular calcium is essential for many physiological processes, from neuronal signaling and exocytosis to muscle contraction and bone formation. Ca…”
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Structural basis and energy landscape for the Ca2+ gating and calmodulation of the Kv7.2 K⁺ channel
Published in Proceedings of the National Academy of Sciences - PNAS (06-03-2018)“…The Kv7.2 (KCNQ2) channel is the principal molecular component of the slow voltage-gated, noninactivating K⁺ M-current, a key controller of neuronal…”
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Molecular dynamics simulations of the calmodulin-induced α-helix in the SK2 calcium-gated potassium ion channel
Published in The Journal of biological chemistry (01-02-2023)“…The family of small-conductance Ca2+-activated potassium ion channels (SK channels) is composed of four members (SK1, SK2, SK3, and SK4) involved in…”
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Calmodulin: A Multitasking Protein in Kv7.2 Potassium Channel Functions
Published in Biomolecules (Basel, Switzerland) (18-07-2018)“…The ubiquitous calcium transducer calmodulin (CaM) plays a pivotal role in many cellular processes, regulating a myriad of structurally different target…”
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The Crossroad of Ion Channels and Calmodulin in Disease
Published in International journal of molecular sciences (18-01-2019)“…Calmodulin (CaM) is the principal Ca sensor in eukaryotic cells, orchestrating the activity of hundreds of proteins. Disease causing mutations at any of the…”
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The ever changing moods of calmodulin: how structural plasticity entails transductional adaptability
Published in Journal of molecular biology (29-07-2014)“…The exceptional versatility of calmodulin (CaM) three-dimensional arrangement is reflected in the growing number of structural models of CaM/protein complexes…”
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Calcium cytotoxicity sensitizes prostate cancer cells to standard-of-care treatments for locally advanced tumors
Published in Cell death & disease (07-12-2020)“…Therapy resistance is a major roadblock in oncology. Exacerbation of molecular dysfunctions typical of cancer cells have proven effective in twisting oncogenic…”
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MLe-KCNQ2: An Artificial Intelligence Model for the Prognosis of Missense KCNQ2 Gene Variants
Published in International journal of molecular sciences (02-03-2024)“…Despite the increasing availability of genomic data and enhanced data analysis procedures, predicting the severity of associated diseases remains elusive in…”
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Redox regulation of KV7 channels through EF3 hand of calmodulin
Published in eLife (20-02-2023)“…Neuronal K V 7 channels, important regulators of cell excitability, are among the most sensitive proteins to reactive oxygen species. The S2S3 linker of the…”
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Identification of Riluzole derivatives as novel calmodulin inhibitors with neuroprotective activity by a joint synthesis, biosensor, and computational guided strategy
Published in Biomedicine & pharmacotherapy (01-05-2024)“…The development of new molecules for the treatment of calmodulin related cardiovascular or neurodegenerative diseases is an interesting goal. In this work, we…”
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An epilepsy-causing mutation leads to co-translational misfolding of the Kv7.2 channel
Published in BMC biology (21-05-2021)“…The amino acid sequence of proteins generally carries all the necessary information for acquisition of native conformations, but the vectorial nature of…”
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Fluorometric Measurement of Calmodulin-Dependent Peptide-Protein Interactions Using Dansylated Calmodulin
Published in Bio-protocol (05-04-2024)“…The assessment of peptide-protein interactions is a pivotal aspect of studying the functionality and mechanisms of various bioactive peptides. In this context,…”
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Novel Dominant KCNQ2 Exon 7 Partial In-Frame Duplication in a Complex Epileptic and Neurodevelopmental Delay Syndrome
Published in International journal of molecular sciences (23-06-2020)“…Complex neurodevelopmental syndromes frequently have an unknown etiology, in which genetic factors play a pathogenic role. This study utilizes whole-exome…”
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Pivoting between calmodulin lobes triggered by calcium in the Kv7.2/calmodulin complex
Published in PloS one (28-01-2014)“…Kv7.2 (KCNQ2) is the principal molecular component of the slow voltage gated M-channel, which strongly influences neuronal excitability. Calmodulin (CaM) binds…”
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Differential Regulation of PI(4,5)P2 Sensitivity of Kv7.2 and Kv7.3 Channels by Calmodulin
Published in Frontiers in molecular neuroscience (01-05-2017)“…The identification and understanding of critical factors regulating M-current functional density, whose main components are Kv7.2 and Kv7.3 subunits, has…”
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Calmodulin Activation Limits the Rate of KCNQ2 K+ Channel Exit from the Endoplasmic Reticulum
Published in The Journal of biological chemistry (31-07-2009)“…The potential regulation of protein trafficking by calmodulin (CaM) is a novel concept that remains to be substantiated. We proposed that KCNQ2 K+ channel…”
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The neuronal serum- and glucocorticoid-regulated kinase 1.1 reduces neuronal excitability and protects against seizures through upregulation of the M-current
Published in The Journal of neuroscience (06-02-2013)“…The M-current formed by tetramerization of Kv7.2 and Kv7.3 subunits is a neuronal voltage-gated K(+) conductance that controls resting membrane potential and…”
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Kv7 channels can function without constitutive calmodulin tethering
Published in PloS one (28-09-2011)“…M-channels are voltage-gated potassium channels composed of Kv7.2-7.5 subunits that serve as important regulators of neuronal excitability. Calmodulin binding…”
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The Identification and Characterization of a Noncontinuous Calmodulin-binding Site in Noninactivating Voltage-dependent KCNQ Potassium Channels
Published in The Journal of biological chemistry (09-08-2002)“…We show here that in a yeast two-hybrid assay calmodulin (CaM) interacts with the intracellular C-terminal region of several members of the KCNQ family of…”
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