Results 231 to 240 of about 18,132 (269)
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Current Treatment Options in Neurology, 2000
In patients with mutations in the genes that encode the chloride, sodium, and calcium channels in skeletal muscle, there is abnormal function of the muscle membrane, which can cause myotonia or attacks of weakness. Mutations in the chloride and sodium channels can lead to myotonia, which typically begins in early childhood.
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In patients with mutations in the genes that encode the chloride, sodium, and calcium channels in skeletal muscle, there is abnormal function of the muscle membrane, which can cause myotonia or attacks of weakness. Mutations in the chloride and sodium channels can lead to myotonia, which typically begins in early childhood.
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Pflügers Archiv - European Journal of Physiology, 2010
KV7 voltage-gated potassium channels, encoded by the KCNQ gene family, have caught increasing interest of the scientific community for their important physiological roles, which are emphasized by the fact that four of the five so far identified members are related to different hereditary diseases.
Snezana, Maljevic +3 more
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KV7 voltage-gated potassium channels, encoded by the KCNQ gene family, have caught increasing interest of the scientific community for their important physiological roles, which are emphasized by the fact that four of the five so far identified members are related to different hereditary diseases.
Snezana, Maljevic +3 more
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2023
Muscle channelopathies encompass a wide range of mainly episodic conditions that are characterized by muscle stiffness and weakness. The myotonic conditions, characterized predominantly by stiffness, include myotonia congenita, paramyotonia congenita, and sodium channel myotonia. The periodic paralysis conditions include hypokalemic periodic paralysis,
Vinojini, Vivekanandam +2 more
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Muscle channelopathies encompass a wide range of mainly episodic conditions that are characterized by muscle stiffness and weakness. The myotonic conditions, characterized predominantly by stiffness, include myotonia congenita, paramyotonia congenita, and sodium channel myotonia. The periodic paralysis conditions include hypokalemic periodic paralysis,
Vinojini, Vivekanandam +2 more
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Continuum, 2006
In recent years the term CHANNELOPATHY has been adopted to describe neurological disorders caused by mutations in different ion channel genes. Myopathic channelopathies include two main groups: nondystrophic myotonias and periodic paralyses. This article reviews the clinical features, diagnostic approach, molecular causes, and management of patients ...
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In recent years the term CHANNELOPATHY has been adopted to describe neurological disorders caused by mutations in different ion channel genes. Myopathic channelopathies include two main groups: nondystrophic myotonias and periodic paralyses. This article reviews the clinical features, diagnostic approach, molecular causes, and management of patients ...
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Neurologic Clinics, 2014
Skeletal muscle channelopathies are rare heterogeneous diseases with marked genotypic and phenotypic variability. Despite advances in understanding of the molecular pathology of these disorders, the diverse phenotypic manifestations remain a challenge in diagnosis and therapeutics.
Jeffrey, Statland +2 more
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Skeletal muscle channelopathies are rare heterogeneous diseases with marked genotypic and phenotypic variability. Despite advances in understanding of the molecular pathology of these disorders, the diverse phenotypic manifestations remain a challenge in diagnosis and therapeutics.
Jeffrey, Statland +2 more
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Nature, 2002
Genetic alterations of various ion channels produce heritable cardiac arrhythmias that predispose affected individuals to sudden death. The investigation of such 'channelopathies' continues to yield remarkable insights into the molecular basis of cardiac excitability.
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Genetic alterations of various ion channels produce heritable cardiac arrhythmias that predispose affected individuals to sudden death. The investigation of such 'channelopathies' continues to yield remarkable insights into the molecular basis of cardiac excitability.
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NeuroMolecular Medicine, 2006
Intracellular calcium ([Ca2+]i) is highly regulated in eukaryotic cells. The free [Ca2+]i is approximately four orders of magnitude less than that in the extracellular environment. It is, therefore, an electrochemical gradient favoring Ca2+ entry, and transient cellular activation increasing Ca2+ permeability will lead to a transient increase in [Ca2 ...
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Intracellular calcium ([Ca2+]i) is highly regulated in eukaryotic cells. The free [Ca2+]i is approximately four orders of magnitude less than that in the extracellular environment. It is, therefore, an electrochemical gradient favoring Ca2+ entry, and transient cellular activation increasing Ca2+ permeability will lead to a transient increase in [Ca2 ...
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Annual Review of Neuroscience, 2010
Inherited ion channel mutations can affect the entire nervous system. Many cause paroxysmal disturbances of brain, spinal cord, peripheral nerve or skeletal muscle function, with normal neurological development and function in between attacks. To fully understand how mutations of ion channel genes cause disease, we need to know the normal location and
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Inherited ion channel mutations can affect the entire nervous system. Many cause paroxysmal disturbances of brain, spinal cord, peripheral nerve or skeletal muscle function, with normal neurological development and function in between attacks. To fully understand how mutations of ion channel genes cause disease, we need to know the normal location and
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Pflügers Archiv - European Journal of Physiology, 2010
Mutations in the CACNA1A gene that encodes the pore-forming alpha1 subunit of human voltage-gated CaV2.1 (P/Q-type) Ca2+ channels cause several autosomal-dominant neurologic disorders, including familial hemiplegic migraine type 1 (FHM1), episodic ataxia type 2, and spinocerebellar ataxia type 6 (SCA6).
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Mutations in the CACNA1A gene that encodes the pore-forming alpha1 subunit of human voltage-gated CaV2.1 (P/Q-type) Ca2+ channels cause several autosomal-dominant neurologic disorders, including familial hemiplegic migraine type 1 (FHM1), episodic ataxia type 2, and spinocerebellar ataxia type 6 (SCA6).
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Pflügers Archiv - European Journal of Physiology, 2010
HCN channels are the molecular subunits of native funny (f-) channels of cardiac pacemaker cells and neurons. Although funny channels were first functionally described in cardiac cells in the late 1970s, cloning of HCN channels, of which four subunits are known today (HCN1-4), had to wait some 20 years to be accomplished, which delayed the ...
M. Baruscotti +4 more
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HCN channels are the molecular subunits of native funny (f-) channels of cardiac pacemaker cells and neurons. Although funny channels were first functionally described in cardiac cells in the late 1970s, cloning of HCN channels, of which four subunits are known today (HCN1-4), had to wait some 20 years to be accomplished, which delayed the ...
M. Baruscotti +4 more
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