Search Results - "Li, King Lun"
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1
Fluorescence Based Characterization of Calcium Sensitizer Action on the Troponin Complex
Published in Chemical biology & drug design (01-02-2016)“…Calcium sensitizers enhance the transduction of the Ca2+ signal into force within the heart and have found use in treating heart failure. However the…”
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2
Direct interaction between troponin and myosin enhances the ATPase activity of heavy meromyosin
Published in Biológia (01-06-2017)“…Contractility of the heart muscle is a result of sliding movements between thick and thin filaments, produced by interactions between actin and myosin during…”
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3
Membrane excitability of nucleus accumbens neurons gates the incubation of cocaine craving
Published in Neuropsychopharmacology (New York, N.Y.) (01-08-2023)“…After drug withdrawal, a key factor triggering relapse is progressively intensified cue-associated drug craving, termed incubation of drug craving. After…”
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4
Nucleus accumbens feedforward inhibition circuit promotes cocaine self-administration
Published in Proceedings of the National Academy of Sciences - PNAS (10-10-2017)“…The basolateral amygdala (BLA) sends excitatory projections to the nucleus accumbens (NAc) and regulates motivated behaviors partially by activating NAc medium…”
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5
Cocaine Triggers Astrocyte-Mediated Synaptogenesis
Published in Biological psychiatry (1969) (15-02-2021)“…Synaptogenesis is essential in forming new neurocircuits during development, and this is mediated in part by astrocyte-released thrombospondins (TSPs) and…”
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6
Temporal dynamics of nucleus accumbens neurons in male mice during reward seeking
Published in Nature communications (28-10-2024)“…The nucleus accumbens (NAc) regulates reward-motivated behavior, but the temporal dynamics of NAc neurons that enable “free-willed” animals to obtain rewards…”
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7
In Situ Time-Resolved FRET Reveals Effects of Sarcomere Length on Cardiac Thin-Filament Activation
Published in Biophysical journal (05-08-2014)“…During cardiac thin-filament activation, the N-domain of cardiac troponin C (N-cTnC) binds to Ca2+ and interacts with the actomyosin inhibitory troponin I…”
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8
Sarcomere length dependent effects on the interaction between cTnC and cTnI in skinned papillary muscle strips
Published in Archives of biochemistry and biophysics (01-07-2016)“…Sarcomere length dependent activation (LDA) of myocardial force development is the cellular basis underlying the Frank-Starling law of the heart, but it is…”
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Role of the C-terminus mobile domain of cardiac troponin I in the regulation of thin filament activation in skinned papillary muscle strips
Published in Archives of biochemistry and biophysics (15-06-2018)“…The C-terminus mobile domain of cTnI (cTnI-MD) is a highly conserved region which stabilizes the actin-cTnI interaction during the diastole. Upon Ca2+-binding…”
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10
Sarcomere length–dependent effects on Ca2+-troponin regulation in myocardium expressing compliant titin
Published in The Journal of general physiology (07-01-2019)“…Cardiac performance is tightly regulated at the cardiomyocyte level by sarcomere length, such that increases in sarcomere length lead to sharply enhanced force…”
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11
Structural Dynamics of C-domain of Cardiac Troponin I Protein in Reconstituted Thin Filament
Published in The Journal of biological chemistry (02-03-2012)“…The regulatory function of cardiac troponin I (cTnI) involves three important contiguous regions within its C-domain: the inhibitory region (IR), the…”
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12
FRET study of the structural and kinetic effects of PKC phosphomimetic cardiac troponin T mutants on thin filament regulation
Published in Archives of biochemistry and biophysics (15-05-2014)“…•cTnT phosphorylation by PKC was mimicked in in vitro thin filaments.•I–C switching was monitored by FRET for these phospho-mimics.•Phospho-mimics altered I–C…”
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13
Structural basis for the in situ Ca2+ sensitization of cardiac troponin C by positive feedback from force-generating myosin cross-bridges
Published in Archives of biochemistry and biophysics (15-09-2013)“…[Display omitted] •FRET was used to monitor Ca2+-dependent N-cTnC opening in skinned myocardial fibers.•Inhibition of strong cross-bridges reduced the maximal…”
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14
Structural and kinetic effects of hypertrophic cardiomyopathy related mutations R146G/Q and R163W on the regulatory switching activity of rat cardiac troponin I
Published in Archives of biochemistry and biophysics (01-07-2013)“…[Display omitted] ► FRET study of effects of HCM-related cTnI mutations in reconstituted thin filaments. ► R146G/Q and R163W each uniquely impact interactions…”
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15
Sarcomere Length Dependent Effects on Ca2+-Induced Troponin Regulation within Chemically Skinned Cardiac Muscle Fibers
Published in Biophysical journal (16-02-2016)Get full text
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16
Direct Troponin-Myosin Interaction Enhances ATPase Activity of Cardiac HMM
Published in Biophysical journal (27-01-2015)Get full text
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17
Sarcomere Lengthdependent Effects on the Ca2+-Troponin Regulation in Skinned Myocardial Fiber from Titin RBM20 Deletion Mice
Published in Biophysical journal (03-02-2017)Get full text
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Sarcomere Lengthdependent Effects on the Ca 2+ -Troponin Regulation in Skinned Myocardial Fiber from Titin RBM20 Deletion Mice
Published in Biophysical journal (01-02-2017)Get full text
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19
Sarcomere length–dependent effects on Ca^sup 2+^-troponin regulation in myocardium expressing compliant titin
Published in The Journal of general physiology (01-01-2019)“…Cardiac performance is tightly regulated at the cardiomyocyte level by sarcomere length, such that increases in sarcomere length lead to sharply enhanced force…”
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20
Kinetic and Structural Characterization of Calcium Sensitizer Action on Thin Filament Function using FRET
Published in Biophysical journal (28-01-2014)Get full text
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