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Scorpion potassium channel-blocking defensin highlights a functional link with neurotoxin
Journal of Biological Chemistry, ISSN 0021-9258, 03/2016, Volume 291, Issue 13, pp. 7097 - 7106
The structural similarity between defensins and scorpion neurotoxins suggests that they might have evolved from a common ancestor. However, there is no direct...
VENOM | PORE REGION | bacteria | TOXIN | BIOCHEMISTRY & MOLECULAR BIOLOGY | structure-function | KV1.3 CHANNEL | STRUCTURAL BASIS | FUNGAL DEFENSIN | defensin | INSECT DEFENSINS | neurotoxin | potassium channel | MESOBUTHUS-MARTENSII | PROTEOMIC ANALYSIS | K+ CHANNELS | Kv1.2 Potassium Channel - antagonists & inhibitors | Humans | Micrococcus luteus - growth & development | Potassium Channel Blockers - metabolism | Bacillus subtilis - growth & development | Defensins - pharmacology | Kv1.3 Potassium Channel - metabolism | Potassium Channel Blockers - pharmacology | Kv1.1 Potassium Channel - genetics | Amino Acid Sequence | Gene Expression | Methicillin-Resistant Staphylococcus aureus - drug effects | Models, Molecular | Recombinant Proteins - chemistry | Methicillin-Resistant Staphylococcus aureus - growth & development | Scorpion Venoms - chemistry | Kv1.2 Potassium Channel - metabolism | Neurotoxins - metabolism | Anti-Bacterial Agents - pharmacology | Mice | Scorpion Venoms - biosynthesis | Potassium Channel Blockers - chemistry | Defensins - metabolism | Defensins - genetics | Kv1.1 Potassium Channel - metabolism | Molecular Sequence Data | Neurotoxins - genetics | Structure-Activity Relationship | Defensins - chemistry | Kv1.3 Potassium Channel - genetics | Micrococcus luteus - drug effects | Scorpions - physiology | Anti-Bacterial Agents - chemistry | Protein Interaction Domains and Motifs | Recombinant Proteins - metabolism | Neurotoxins - chemistry | Protein Structure, Secondary | Kv1.1 Potassium Channel - antagonists & inhibitors | Anti-Bacterial Agents - metabolism | Scorpions - chemistry | Recombinant Proteins - genetics | Kv1.3 Potassium Channel - antagonists & inhibitors | Recombinant Proteins - pharmacology | Neurotoxins - pharmacology | Kv1.2 Potassium Channel - genetics | Sequence Alignment | Animals | Structural Homology, Protein | Staphylococcus aureus - drug effects | Staphylococcus aureus - growth & development | Bacillus subtilis - drug effects | Index Medicus | Cell Biology
VENOM | PORE REGION | bacteria | TOXIN | BIOCHEMISTRY & MOLECULAR BIOLOGY | structure-function | KV1.3 CHANNEL | STRUCTURAL BASIS | FUNGAL DEFENSIN | defensin | INSECT DEFENSINS | neurotoxin | potassium channel | MESOBUTHUS-MARTENSII | PROTEOMIC ANALYSIS | K+ CHANNELS | Kv1.2 Potassium Channel - antagonists & inhibitors | Humans | Micrococcus luteus - growth & development | Potassium Channel Blockers - metabolism | Bacillus subtilis - growth & development | Defensins - pharmacology | Kv1.3 Potassium Channel - metabolism | Potassium Channel Blockers - pharmacology | Kv1.1 Potassium Channel - genetics | Amino Acid Sequence | Gene Expression | Methicillin-Resistant Staphylococcus aureus - drug effects | Models, Molecular | Recombinant Proteins - chemistry | Methicillin-Resistant Staphylococcus aureus - growth & development | Scorpion Venoms - chemistry | Kv1.2 Potassium Channel - metabolism | Neurotoxins - metabolism | Anti-Bacterial Agents - pharmacology | Mice | Scorpion Venoms - biosynthesis | Potassium Channel Blockers - chemistry | Defensins - metabolism | Defensins - genetics | Kv1.1 Potassium Channel - metabolism | Molecular Sequence Data | Neurotoxins - genetics | Structure-Activity Relationship | Defensins - chemistry | Kv1.3 Potassium Channel - genetics | Micrococcus luteus - drug effects | Scorpions - physiology | Anti-Bacterial Agents - chemistry | Protein Interaction Domains and Motifs | Recombinant Proteins - metabolism | Neurotoxins - chemistry | Protein Structure, Secondary | Kv1.1 Potassium Channel - antagonists & inhibitors | Anti-Bacterial Agents - metabolism | Scorpions - chemistry | Recombinant Proteins - genetics | Kv1.3 Potassium Channel - antagonists & inhibitors | Recombinant Proteins - pharmacology | Neurotoxins - pharmacology | Kv1.2 Potassium Channel - genetics | Sequence Alignment | Animals | Structural Homology, Protein | Staphylococcus aureus - drug effects | Staphylococcus aureus - growth & development | Bacillus subtilis - drug effects | Index Medicus | Cell Biology
Journal Article
Nature Communications, ISSN 2041-1723, 11/2015, Volume 6, Issue 1, p. 8815
Structural plasticity of the axon initial segment (AIS), the trigger zone of neurons, is a powerful means for regulating neuronal activity. Here, we show that...
ACTIVITY-DEPENDENT RELOCATION | PYRAMIDAL NEURONS | COCHLEAR NUCLEUS NEURONS | INTRINSIC EXCITABILITY | MULTIDISCIPLINARY SCIENCES | SPIKE INITIATION | MAGNOCELLULARIS | ACTION-POTENTIAL INITIATION | AUDITORY NEURONS | POTASSIUM CHANNEL SUBUNITS | K+ CHANNELS | Kv1.1 Potassium Channel - genetics | Kv1.1 Potassium Channel - chemistry | Kv1.1 Potassium Channel - metabolism | Neurons - chemistry | Axons - metabolism | Axons - chemistry | Protein Transport | KCNQ2 Potassium Channel - chemistry | Animals | KCNQ2 Potassium Channel - metabolism | Neuronal Plasticity | Chickens | KCNQ2 Potassium Channel - genetics | Neurons - metabolism | Kinetics | Resistance | Homeostasis | Cochlea | Neurons | Channels | Elongation
ACTIVITY-DEPENDENT RELOCATION | PYRAMIDAL NEURONS | COCHLEAR NUCLEUS NEURONS | INTRINSIC EXCITABILITY | MULTIDISCIPLINARY SCIENCES | SPIKE INITIATION | MAGNOCELLULARIS | ACTION-POTENTIAL INITIATION | AUDITORY NEURONS | POTASSIUM CHANNEL SUBUNITS | K+ CHANNELS | Kv1.1 Potassium Channel - genetics | Kv1.1 Potassium Channel - chemistry | Kv1.1 Potassium Channel - metabolism | Neurons - chemistry | Axons - metabolism | Axons - chemistry | Protein Transport | KCNQ2 Potassium Channel - chemistry | Animals | KCNQ2 Potassium Channel - metabolism | Neuronal Plasticity | Chickens | KCNQ2 Potassium Channel - genetics | Neurons - metabolism | Kinetics | Resistance | Homeostasis | Cochlea | Neurons | Channels | Elongation
Journal Article
Journal of Neuroscience, ISSN 0270-6474, 12/2008, Volume 28, Issue 53, pp. 14329 - 14340
The exact site of initiation and shape of action potentials vary among different neuronal types. The reason for this variability is largely unknown, but the...
Cerebellum | Immunohistochemistry | Voltage-gated ion channels | Cortex | Olfactory bulb | Axon initial segment | Hippocampus | cortex | PURKINJE NEURONS | olfactory bulb | hippocampus | SODIUM-CHANNELS | ACTION-POTENTIAL INITIATION | KV1 CHANNELS | NEUROSCIENCES | cerebellum | axon initial segment | PYRAMIDAL CELLS | GABAERGIC INTERNEURONS | SEVERE MYOCLONIC EPILEPSY | MICE | voltage-gated ion channels | immunohistochemistry | ION CHANNELS | K+ CHANNELS | Brain - cytology | Kv1.2 Potassium Channel - deficiency | Kv1.1 Potassium Channel - metabolism | Rats, Wistar | Rats | Male | Neurons - cytology | Axons - physiology | Mice, Knockout | Nerve Tissue Proteins - metabolism | NAV1.1 Voltage-Gated Sodium Channel | Neurons - classification | Kv1.1 Potassium Channel - deficiency | Animals | NAV1.6 Voltage-Gated Sodium Channel | Ion Channels - classification | Ion Channels - metabolism | Kv1.2 Potassium Channel - metabolism | Neurons - physiology | Sodium Channels - metabolism | Mice | Ion Channels - deficiency
Cerebellum | Immunohistochemistry | Voltage-gated ion channels | Cortex | Olfactory bulb | Axon initial segment | Hippocampus | cortex | PURKINJE NEURONS | olfactory bulb | hippocampus | SODIUM-CHANNELS | ACTION-POTENTIAL INITIATION | KV1 CHANNELS | NEUROSCIENCES | cerebellum | axon initial segment | PYRAMIDAL CELLS | GABAERGIC INTERNEURONS | SEVERE MYOCLONIC EPILEPSY | MICE | voltage-gated ion channels | immunohistochemistry | ION CHANNELS | K+ CHANNELS | Brain - cytology | Kv1.2 Potassium Channel - deficiency | Kv1.1 Potassium Channel - metabolism | Rats, Wistar | Rats | Male | Neurons - cytology | Axons - physiology | Mice, Knockout | Nerve Tissue Proteins - metabolism | NAV1.1 Voltage-Gated Sodium Channel | Neurons - classification | Kv1.1 Potassium Channel - deficiency | Animals | NAV1.6 Voltage-Gated Sodium Channel | Ion Channels - classification | Ion Channels - metabolism | Kv1.2 Potassium Channel - metabolism | Neurons - physiology | Sodium Channels - metabolism | Mice | Ion Channels - deficiency
Journal Article
Nature Communications, ISSN 2041-1723, 07/2014, Volume 5, Issue 1, p. 4564
Neurons convey information in bursts of spikes across chemical synapses where the fidelity of information transfer critically depends on synaptic input-output...
ACTION-POTENTIALS | PURKINJE NEURONS | TRANSMITTER RELEASE | ACTIVATION | IONIC CURRENTS | MULTIDISCIPLINARY SCIENCES | HELD SYNAPSE | SHAKER K+ CHANNELS | TERM SYNAPTIC PLASTICITY | GATING CURRENTS | DELAYED-RECTIFIER | Potassium - metabolism | Electric Stimulation | Synaptic Transmission - physiology | Cricetulus | Kv1.1 Potassium Channel - metabolism | Calcium - metabolism | Neurons - cytology | Cerebellum - physiology | Kv1.3 Potassium Channel - genetics | Excitatory Postsynaptic Potentials - physiology | Ion Channel Gating - physiology | Neurons - physiology | Kv1.3 Potassium Channel - metabolism | Synaptic Vesicles - physiology | CHO Cells | Microtomy | Kv1.1 Potassium Channel - genetics | Gene Expression | Tissue Culture Techniques | Presynaptic Terminals - physiology | Hippocampus - cytology | Action Potentials - physiology | Kv1.2 Potassium Channel - genetics | Patch-Clamp Techniques | Animals | Kv1.2 Potassium Channel - metabolism | Cerebellum - cytology | Mice | Hippocampus - physiology
ACTION-POTENTIALS | PURKINJE NEURONS | TRANSMITTER RELEASE | ACTIVATION | IONIC CURRENTS | MULTIDISCIPLINARY SCIENCES | HELD SYNAPSE | SHAKER K+ CHANNELS | TERM SYNAPTIC PLASTICITY | GATING CURRENTS | DELAYED-RECTIFIER | Potassium - metabolism | Electric Stimulation | Synaptic Transmission - physiology | Cricetulus | Kv1.1 Potassium Channel - metabolism | Calcium - metabolism | Neurons - cytology | Cerebellum - physiology | Kv1.3 Potassium Channel - genetics | Excitatory Postsynaptic Potentials - physiology | Ion Channel Gating - physiology | Neurons - physiology | Kv1.3 Potassium Channel - metabolism | Synaptic Vesicles - physiology | CHO Cells | Microtomy | Kv1.1 Potassium Channel - genetics | Gene Expression | Tissue Culture Techniques | Presynaptic Terminals - physiology | Hippocampus - cytology | Action Potentials - physiology | Kv1.2 Potassium Channel - genetics | Patch-Clamp Techniques | Animals | Kv1.2 Potassium Channel - metabolism | Cerebellum - cytology | Mice | Hippocampus - physiology
Journal Article
Journal of Neuroscience, ISSN 0270-6474, 04/2010, Volume 30, Issue 15, pp. 5167 - 5175
Mice lacking Kv1.1 Shaker-like potassium channels encoded by the Kcna1 gene exhibit severe seizures and die prematurely. The channel is widely expressed in...
MOUSE HIPPOCAMPUS | RISK-FACTORS | STIMULATION | ATRIOVENTRICULAR-CONDUCTION BLOCK | UNEXPECTED DEATH | GENE-EXPRESSION | ASYSTOLE | MICE | HEART-RATE | NEUROSCIENCES | ICTAL BRADYCARDIA | Kv1.1 Potassium Channel - metabolism | Anti-Arrhythmia Agents - pharmacology | Atrioventricular Block - drug therapy | Arrhythmias, Cardiac - physiopathology | Seizures - physiopathology | Propranolol - pharmacology | Ventricular Premature Complexes - physiopathology | Electrocardiography - methods | Heart - physiopathology | Kv1.1 Potassium Channel - genetics | Atrioventricular Block - physiopathology | Vagus Nerve - metabolism | Brain - physiopathology | Bradycardia - physiopathology | Atropine - pharmacology | Electroencephalography - methods | Parasympatholytics - pharmacology | Mice, Knockout | Arrhythmias, Cardiac - drug therapy | Kv1.1 Potassium Channel - deficiency | Animals | Ventricular Premature Complexes - drug therapy | Video Recording - methods | Heart - drug effects | Mice | Bradycardia - drug therapy
MOUSE HIPPOCAMPUS | RISK-FACTORS | STIMULATION | ATRIOVENTRICULAR-CONDUCTION BLOCK | UNEXPECTED DEATH | GENE-EXPRESSION | ASYSTOLE | MICE | HEART-RATE | NEUROSCIENCES | ICTAL BRADYCARDIA | Kv1.1 Potassium Channel - metabolism | Anti-Arrhythmia Agents - pharmacology | Atrioventricular Block - drug therapy | Arrhythmias, Cardiac - physiopathology | Seizures - physiopathology | Propranolol - pharmacology | Ventricular Premature Complexes - physiopathology | Electrocardiography - methods | Heart - physiopathology | Kv1.1 Potassium Channel - genetics | Atrioventricular Block - physiopathology | Vagus Nerve - metabolism | Brain - physiopathology | Bradycardia - physiopathology | Atropine - pharmacology | Electroencephalography - methods | Parasympatholytics - pharmacology | Mice, Knockout | Arrhythmias, Cardiac - drug therapy | Kv1.1 Potassium Channel - deficiency | Animals | Ventricular Premature Complexes - drug therapy | Video Recording - methods | Heart - drug effects | Mice | Bradycardia - drug therapy
Journal Article
Scientific Reports, ISSN 2045-2322, 03/2014, Volume 4, Issue 1, p. 4509
HsTX1 toxin, from the scorpion Heterometrus spinnifer, is a 34-residue, C-terminally amidated peptide cross-linked by four disulfide bridges. Here we describe...
KV1 POTASSIUM CHANNELS | TARGET | MOLECULAR-DYNAMICS | PROTEIN | GATED K+ CHANNELS | BLOCKER SHK | MULTIDISCIPLINARY SCIENCES | MEMORY T-CELLS | BINDING | FREE-ENERGY SIMULATIONS | SHK TOXIN | Kv1.1 Potassium Channel - metabolism | Molecular Sequence Data | Kv1.3 Potassium Channel - chemistry | Inhibitory Concentration 50 | Kv1.3 Potassium Channel - metabolism | Protein Stability | Autoimmune Diseases - metabolism | Autoimmune Diseases - drug therapy | Potassium Channel Blockers - pharmacology | Amino Acid Sequence | Cell Line | Kv1.1 Potassium Channel - chemistry | Lymphocyte Activation | Kv1.1 Potassium Channel - antagonists & inhibitors | Autoimmune Diseases - immunology | Models, Molecular | Kv1.3 Potassium Channel - antagonists & inhibitors | Scorpion Venoms - pharmacology | Peptide Fragments - chemistry | Animals | Scorpion Venoms - chemistry | Protein Binding | Protein Conformation | Mice | Potassium Channel Blockers - chemistry
KV1 POTASSIUM CHANNELS | TARGET | MOLECULAR-DYNAMICS | PROTEIN | GATED K+ CHANNELS | BLOCKER SHK | MULTIDISCIPLINARY SCIENCES | MEMORY T-CELLS | BINDING | FREE-ENERGY SIMULATIONS | SHK TOXIN | Kv1.1 Potassium Channel - metabolism | Molecular Sequence Data | Kv1.3 Potassium Channel - chemistry | Inhibitory Concentration 50 | Kv1.3 Potassium Channel - metabolism | Protein Stability | Autoimmune Diseases - metabolism | Autoimmune Diseases - drug therapy | Potassium Channel Blockers - pharmacology | Amino Acid Sequence | Cell Line | Kv1.1 Potassium Channel - chemistry | Lymphocyte Activation | Kv1.1 Potassium Channel - antagonists & inhibitors | Autoimmune Diseases - immunology | Models, Molecular | Kv1.3 Potassium Channel - antagonists & inhibitors | Scorpion Venoms - pharmacology | Peptide Fragments - chemistry | Animals | Scorpion Venoms - chemistry | Protein Binding | Protein Conformation | Mice | Potassium Channel Blockers - chemistry
Journal Article
Cell Death and Differentiation, ISSN 1350-9047, 01/2010, Volume 17, Issue 1, pp. 134 - 144
Degeneration of retinal ganglion cells (RGCs) - an important cause of visual impairment - is often modeled by optic nerve transection, which leads to apoptotic...
Kv channels | siRNA in vivo | apoptotic molecules | Kv blockers | Neurodegeneration | Shaker channels | NEURONAL APOPTOSIS | SURVIVAL | POTASSIUM CHANNELS | NEUROTROPHIC FACTOR | BIOCHEMISTRY & MOLECULAR BIOLOGY | neurodegeneration | ADULT-RATS | DEATH | PROLIFERATION | CELL BIOLOGY | K+ CHANNELS | AXOTOMY | Kv1.2 Potassium Channel - antagonists & inhibitors | Caspase 9 - metabolism | Kv1.1 Potassium Channel - metabolism | Caspase 3 - metabolism | Kv1.3 Potassium Channel - genetics | Retinal Ganglion Cells - metabolism | Nerve Degeneration - metabolism | Retinal Ganglion Cells - pathology | Axotomy | Kv1.5 Potassium Channel - genetics | Female | Kv1.3 Potassium Channel - metabolism | Kv1.1 Potassium Channel - genetics | Kv1.1 Potassium Channel - antagonists & inhibitors | Rats | Kv1.3 Potassium Channel - antagonists & inhibitors | Rats, Sprague-Dawley | Nerve Degeneration - pathology | Kv1.2 Potassium Channel - genetics | Animals | Scorpion Venoms - therapeutic use | Kv1.2 Potassium Channel - metabolism | Kv1.5 Potassium Channel - metabolism | Optic Nerve - surgery | Kv1.5 Potassium Channel - antagonists & inhibitors | Nerve Degeneration - etiology | bcl-X Protein - metabolism | bcl-Associated Death Protein | Apoptosis | RNA, Small Interfering - metabolism
Kv channels | siRNA in vivo | apoptotic molecules | Kv blockers | Neurodegeneration | Shaker channels | NEURONAL APOPTOSIS | SURVIVAL | POTASSIUM CHANNELS | NEUROTROPHIC FACTOR | BIOCHEMISTRY & MOLECULAR BIOLOGY | neurodegeneration | ADULT-RATS | DEATH | PROLIFERATION | CELL BIOLOGY | K+ CHANNELS | AXOTOMY | Kv1.2 Potassium Channel - antagonists & inhibitors | Caspase 9 - metabolism | Kv1.1 Potassium Channel - metabolism | Caspase 3 - metabolism | Kv1.3 Potassium Channel - genetics | Retinal Ganglion Cells - metabolism | Nerve Degeneration - metabolism | Retinal Ganglion Cells - pathology | Axotomy | Kv1.5 Potassium Channel - genetics | Female | Kv1.3 Potassium Channel - metabolism | Kv1.1 Potassium Channel - genetics | Kv1.1 Potassium Channel - antagonists & inhibitors | Rats | Kv1.3 Potassium Channel - antagonists & inhibitors | Rats, Sprague-Dawley | Nerve Degeneration - pathology | Kv1.2 Potassium Channel - genetics | Animals | Scorpion Venoms - therapeutic use | Kv1.2 Potassium Channel - metabolism | Kv1.5 Potassium Channel - metabolism | Optic Nerve - surgery | Kv1.5 Potassium Channel - antagonists & inhibitors | Nerve Degeneration - etiology | bcl-X Protein - metabolism | bcl-Associated Death Protein | Apoptosis | RNA, Small Interfering - metabolism
Journal Article
European Journal of Neuroscience, ISSN 0953-816X, 06/2014, Volume 39, Issue 11, pp. 1771 - 1783
Potassium channels comprise the most diverse family of ion channels and play critical roles in a large variety of physiological and pathological processes. In...
electron microscopy | immunohistochemistry | confocal microscopy | ion channels | Immunohistochemistry | Confocal microscopy | Ion channels | Electron microscopy | ALPHA-SUBUNITS | SURFACE EXPRESSION | SUBUNIT COMPOSITION | KV1 CHANNELS | NEUROSCIENCES | INITIAL SEGMENT | GATED ION CHANNELS | RAT-BRAIN | KV2.1 K+ CHANNEL | IN-SITU | PROTEINS GIRK1 | Kv1.1 Potassium Channel - genetics | Shab Potassium Channels - genetics | Dendrites - metabolism | Pyramidal Cells - metabolism | CA1 Region, Hippocampal - cytology | Kv1.1 Potassium Channel - metabolism | Rats, Wistar | Cells, Cultured | Axons - metabolism | Rats | Male | G Protein-Coupled Inwardly-Rectifying Potassium Channels - genetics | Protein Transport | Shab Potassium Channels - metabolism | Animals | G Protein-Coupled Inwardly-Rectifying Potassium Channels - metabolism | CA1 Region, Hippocampal - metabolism | GABA | Potassium channels | Special Issue | Editors' Issue 2014
electron microscopy | immunohistochemistry | confocal microscopy | ion channels | Immunohistochemistry | Confocal microscopy | Ion channels | Electron microscopy | ALPHA-SUBUNITS | SURFACE EXPRESSION | SUBUNIT COMPOSITION | KV1 CHANNELS | NEUROSCIENCES | INITIAL SEGMENT | GATED ION CHANNELS | RAT-BRAIN | KV2.1 K+ CHANNEL | IN-SITU | PROTEINS GIRK1 | Kv1.1 Potassium Channel - genetics | Shab Potassium Channels - genetics | Dendrites - metabolism | Pyramidal Cells - metabolism | CA1 Region, Hippocampal - cytology | Kv1.1 Potassium Channel - metabolism | Rats, Wistar | Cells, Cultured | Axons - metabolism | Rats | Male | G Protein-Coupled Inwardly-Rectifying Potassium Channels - genetics | Protein Transport | Shab Potassium Channels - metabolism | Animals | G Protein-Coupled Inwardly-Rectifying Potassium Channels - metabolism | CA1 Region, Hippocampal - metabolism | GABA | Potassium channels | Special Issue | Editors' Issue 2014
Journal Article
Journal of Biological Chemistry, ISSN 0021-9258, 07/2008, Volume 283, Issue 27, pp. 19058 - 19065
The potassium channel Kv1.3 is an attractive pharmacological target for immunomodulation of T cell-mediated autoimmune diseases. Potent and selective blockers...
SCORPION BUTHUS-MARTENSI | BLOCKERS | VENOM | MULTIPLE-SCLEROSIS | GATED K+ CHANNELS | POTASSIUM CHANNELS | BIOCHEMISTRY & MOLECULAR BIOLOGY | PROLIFERATION | MODEL | MEMORY T-CELLS | SHK TOXIN | Kv1.2 Potassium Channel - antagonists & inhibitors | Kv1.1 Potassium Channel - metabolism | Peptides - chemistry | Protein Structure, Secondary | Humans | Kv1.1 Potassium Channel - antagonists & inhibitors | Models, Molecular | Potassium Channel Blockers - therapeutic use | Peptide Mapping - methods | Kv1.3 Potassium Channel - antagonists & inhibitors | Scorpion Venoms - pharmacology | Animals | Immunity, Cellular - drug effects | Scorpion Venoms - chemistry | T-Lymphocytes - metabolism | Kv1.2 Potassium Channel - metabolism | Drug Design | Protein Binding | Kv1.3 Potassium Channel - metabolism | Mice | Autoimmune Diseases - metabolism | Autoimmune Diseases - drug therapy | Peptides - therapeutic use | Potassium Channel Blockers - chemistry | Index Medicus
SCORPION BUTHUS-MARTENSI | BLOCKERS | VENOM | MULTIPLE-SCLEROSIS | GATED K+ CHANNELS | POTASSIUM CHANNELS | BIOCHEMISTRY & MOLECULAR BIOLOGY | PROLIFERATION | MODEL | MEMORY T-CELLS | SHK TOXIN | Kv1.2 Potassium Channel - antagonists & inhibitors | Kv1.1 Potassium Channel - metabolism | Peptides - chemistry | Protein Structure, Secondary | Humans | Kv1.1 Potassium Channel - antagonists & inhibitors | Models, Molecular | Potassium Channel Blockers - therapeutic use | Peptide Mapping - methods | Kv1.3 Potassium Channel - antagonists & inhibitors | Scorpion Venoms - pharmacology | Animals | Immunity, Cellular - drug effects | Scorpion Venoms - chemistry | T-Lymphocytes - metabolism | Kv1.2 Potassium Channel - metabolism | Drug Design | Protein Binding | Kv1.3 Potassium Channel - metabolism | Mice | Autoimmune Diseases - metabolism | Autoimmune Diseases - drug therapy | Peptides - therapeutic use | Potassium Channel Blockers - chemistry | Index Medicus
Journal Article
Journal of Clinical Investigation, ISSN 0021-9738, 2009, Volume 119, Issue 4, pp. 936 - 942
Primary hypomagnesemia is a heterogeneous group of disorders characterized by renal or intestinal magnesium (Mg2+) wasting, resulting in tetany, cardiac...
MEDICINE, RESEARCH & EXPERIMENTAL | SECONDARY HYPOCALCEMIA | TRANSPORT | CA2 | EPISODIC ATAXIA TYPE-1 | FAMILIAL HYPOMAGNESEMIA | LINKAGE ANALYSIS | ISAACS SYNDROME | K+ CHANNEL | TRPM6 | SUBUNIT | Kv1.1 Potassium Channel - metabolism | Humans | Molecular Sequence Data | Male | Mutation, Missense | Magnesium Deficiency - genetics | Kidney - metabolism | Transfection | Genes, Dominant | DNA Mutational Analysis | Base Sequence | Brazil | Female | Kv1.1 Potassium Channel - genetics | Recombinant Proteins - metabolism | Amino Acid Sequence | Cell Line | Kv1.1 Potassium Channel - chemistry | Models, Molecular | Chromosome Mapping | Recombinant Proteins - genetics | Magnesium Deficiency - metabolism | Sequence Homology, Amino Acid | Models, Biological | Pedigree | TRPM Cation Channels - metabolism
MEDICINE, RESEARCH & EXPERIMENTAL | SECONDARY HYPOCALCEMIA | TRANSPORT | CA2 | EPISODIC ATAXIA TYPE-1 | FAMILIAL HYPOMAGNESEMIA | LINKAGE ANALYSIS | ISAACS SYNDROME | K+ CHANNEL | TRPM6 | SUBUNIT | Kv1.1 Potassium Channel - metabolism | Humans | Molecular Sequence Data | Male | Mutation, Missense | Magnesium Deficiency - genetics | Kidney - metabolism | Transfection | Genes, Dominant | DNA Mutational Analysis | Base Sequence | Brazil | Female | Kv1.1 Potassium Channel - genetics | Recombinant Proteins - metabolism | Amino Acid Sequence | Cell Line | Kv1.1 Potassium Channel - chemistry | Models, Molecular | Chromosome Mapping | Recombinant Proteins - genetics | Magnesium Deficiency - metabolism | Sequence Homology, Amino Acid | Models, Biological | Pedigree | TRPM Cation Channels - metabolism
Journal Article
FEBS Letters, ISSN 0014-5793, 11/2012, Volume 586, Issue 22, pp. 3996 - 4001
► ShK is a potent blocker of potassium channels. ► A new ShK analogue with a C-terminal Lys residue and amide was designed. ► ShK-K-amide is a potent and...
Electrophysiology | Potential of mean force | Potassium channel | Umbrella sampling | C-terminal amide | ShK | ShK with a C-terminal Lys and amide | effector memory T-cells | ShK-K-amide | PMF | voltage-gated K+ channel | molecular dynamics | potential of mean force | K+ channel toxin from Stichodactyla helianthus | ShK-amide | TEM | C-terminally amidated ShK | MOLECULAR-DYNAMICS | BIOCHEMISTRY & MOLECULAR BIOLOGY | SEA-ANEMONE TOXIN | PEPTIDE | CELL BIOLOGY | BIOPHYSICS | AUTOIMMUNE-DISEASES | STICHODACTYLA-HELIANTHUS | RAT-BRAIN | INHIBITOR | MEMORY T-CELLS | FREE-ENERGY | K+ CHANNELS | Kv1.1 Potassium Channel - metabolism | Humans | Cnidarian Venoms - metabolism | Kv1.3 Potassium Channel - genetics | Cnidarian Venoms - pharmacology | Potassium Channel Blockers - metabolism | Kv1.1 Potassium Channel - physiology | Dose-Response Relationship, Drug | Ion Channel Gating - physiology | T-Lymphocytes - drug effects | Kv1.3 Potassium Channel - metabolism | Binding Sites | Potassium Channel Blockers - pharmacology | Binding, Competitive | Kv1.1 Potassium Channel - genetics | Protein Structure, Tertiary | Cells, Cultured | Models, Molecular | Kv1.3 Potassium Channel - physiology | Molecular Dynamics Simulation | Cnidarian Venoms - chemistry | Patch-Clamp Techniques | Algorithms | Animals | Ion Channel Gating - genetics | T-Lymphocytes - cytology | Amides - chemistry | Cell Line, Tumor | Protein Binding | Cell Proliferation - drug effects | Mice | Potassium Channel Blockers - chemistry | Ion Channel Gating - drug effects | Potassium channels | Peptides | T cells | Analysis | potassium channel | umbrella sampling | electrophysiology
Electrophysiology | Potential of mean force | Potassium channel | Umbrella sampling | C-terminal amide | ShK | ShK with a C-terminal Lys and amide | effector memory T-cells | ShK-K-amide | PMF | voltage-gated K+ channel | molecular dynamics | potential of mean force | K+ channel toxin from Stichodactyla helianthus | ShK-amide | TEM | C-terminally amidated ShK | MOLECULAR-DYNAMICS | BIOCHEMISTRY & MOLECULAR BIOLOGY | SEA-ANEMONE TOXIN | PEPTIDE | CELL BIOLOGY | BIOPHYSICS | AUTOIMMUNE-DISEASES | STICHODACTYLA-HELIANTHUS | RAT-BRAIN | INHIBITOR | MEMORY T-CELLS | FREE-ENERGY | K+ CHANNELS | Kv1.1 Potassium Channel - metabolism | Humans | Cnidarian Venoms - metabolism | Kv1.3 Potassium Channel - genetics | Cnidarian Venoms - pharmacology | Potassium Channel Blockers - metabolism | Kv1.1 Potassium Channel - physiology | Dose-Response Relationship, Drug | Ion Channel Gating - physiology | T-Lymphocytes - drug effects | Kv1.3 Potassium Channel - metabolism | Binding Sites | Potassium Channel Blockers - pharmacology | Binding, Competitive | Kv1.1 Potassium Channel - genetics | Protein Structure, Tertiary | Cells, Cultured | Models, Molecular | Kv1.3 Potassium Channel - physiology | Molecular Dynamics Simulation | Cnidarian Venoms - chemistry | Patch-Clamp Techniques | Algorithms | Animals | Ion Channel Gating - genetics | T-Lymphocytes - cytology | Amides - chemistry | Cell Line, Tumor | Protein Binding | Cell Proliferation - drug effects | Mice | Potassium Channel Blockers - chemistry | Ion Channel Gating - drug effects | Potassium channels | Peptides | T cells | Analysis | potassium channel | umbrella sampling | electrophysiology
Journal Article
Current Pharmaceutical Design, ISSN 1381-6128, 2014, Volume 20, Issue 2, pp. 189 - 200
Plasma membrane (PM) and mitochondrial (mt) ion channels - particularly potassium channels - became oncological targets soon after the discovery that they are...
Mitochondria | Potassium channels | Chemotherapeutic drugs | Kv1.3 inhibitors | Apoptosis | NEURONAL APOPTOSIS | mitochondria | apoptosis | chemotherapeutic drugs | GATED K+ CHANNEL | BREAST-CANCER | COLON-CANCER | BAX-INDUCED APOPTOSIS | IN-VITRO | PROSTATE-CANCER | PHARMACOLOGY & PHARMACY | UP-REGULATION | T-LYMPHOCYTES | TARGETING ION CHANNELS | Kv1.1 Potassium Channel - metabolism | Apoptosis - drug effects | Humans | Gene Expression Regulation, Neoplastic | Kv1.3 Potassium Channel - genetics | RNA, Messenger - metabolism | Neoplasms - genetics | Kv1.3 Potassium Channel - metabolism | Antineoplastic Agents - pharmacology | Cell Membrane - metabolism | Cell Death - drug effects | Potassium Channel Blockers - pharmacology | Kv1.1 Potassium Channel - genetics | Kv1.3 Potassium Channel - drug effects | Kv1.1 Potassium Channel - drug effects | Mitochondria - metabolism | Cisplatin - pharmacology | Mitochondria - drug effects | Neoplasms - drug therapy | Sphingosine - pharmacology | Sphingosine - analogs & derivatives | Tumor Burden - drug effects | Cell Line, Tumor | Cell Proliferation - drug effects | Neoplasms - pathology | Staurosporine - pharmacology
Mitochondria | Potassium channels | Chemotherapeutic drugs | Kv1.3 inhibitors | Apoptosis | NEURONAL APOPTOSIS | mitochondria | apoptosis | chemotherapeutic drugs | GATED K+ CHANNEL | BREAST-CANCER | COLON-CANCER | BAX-INDUCED APOPTOSIS | IN-VITRO | PROSTATE-CANCER | PHARMACOLOGY & PHARMACY | UP-REGULATION | T-LYMPHOCYTES | TARGETING ION CHANNELS | Kv1.1 Potassium Channel - metabolism | Apoptosis - drug effects | Humans | Gene Expression Regulation, Neoplastic | Kv1.3 Potassium Channel - genetics | RNA, Messenger - metabolism | Neoplasms - genetics | Kv1.3 Potassium Channel - metabolism | Antineoplastic Agents - pharmacology | Cell Membrane - metabolism | Cell Death - drug effects | Potassium Channel Blockers - pharmacology | Kv1.1 Potassium Channel - genetics | Kv1.3 Potassium Channel - drug effects | Kv1.1 Potassium Channel - drug effects | Mitochondria - metabolism | Cisplatin - pharmacology | Mitochondria - drug effects | Neoplasms - drug therapy | Sphingosine - pharmacology | Sphingosine - analogs & derivatives | Tumor Burden - drug effects | Cell Line, Tumor | Cell Proliferation - drug effects | Neoplasms - pathology | Staurosporine - pharmacology
Journal Article
The Journal of Physical Chemistry B, ISSN 1520-6106, 01/2014, Volume 118, Issue 3, pp. 707 - 716
The voltage-gated potassium channel Kv1.3 is an established target for treatment of autoimmune diseases. Hence, there are intense efforts to develop...
SHAKER K+ CHANNEL | BIOLOGICAL ION CHANNELS | LIGAND-BINDING | CHARYBDOTOXIN COMPLEX | AUTOIMMUNE-DISEASES | CHEMISTRY, PHYSICAL | SEA-ANEMONE TOXIN | MEMORY T-CELLS | MOLECULAR DYNAMIC SIMULATIONS | 4TH DISULFIDE BRIDGE | SCORPION TOXINS | Kv1.3 Potassium Channel - chemistry | Kv1.1 Potassium Channel - chemistry | Thermodynamics | Kv1.1 Potassium Channel - metabolism | Scorpion Venoms - chemistry | Kv1.2 Potassium Channel - metabolism | Substrate Specificity | Kv1.3 Potassium Channel - metabolism | Protein Conformation | Scorpion Venoms - metabolism | Molecular Dynamics Simulation | Kv1.2 Potassium Channel - chemistry | Thermal properties | Research | Potassium channels | Chemical properties | Computer simulation | Binding energy | Blocking | Selectivity | Toxins | Porosity | Channels | Free energy
SHAKER K+ CHANNEL | BIOLOGICAL ION CHANNELS | LIGAND-BINDING | CHARYBDOTOXIN COMPLEX | AUTOIMMUNE-DISEASES | CHEMISTRY, PHYSICAL | SEA-ANEMONE TOXIN | MEMORY T-CELLS | MOLECULAR DYNAMIC SIMULATIONS | 4TH DISULFIDE BRIDGE | SCORPION TOXINS | Kv1.3 Potassium Channel - chemistry | Kv1.1 Potassium Channel - chemistry | Thermodynamics | Kv1.1 Potassium Channel - metabolism | Scorpion Venoms - chemistry | Kv1.2 Potassium Channel - metabolism | Substrate Specificity | Kv1.3 Potassium Channel - metabolism | Protein Conformation | Scorpion Venoms - metabolism | Molecular Dynamics Simulation | Kv1.2 Potassium Channel - chemistry | Thermal properties | Research | Potassium channels | Chemical properties | Computer simulation | Binding energy | Blocking | Selectivity | Toxins | Porosity | Channels | Free energy
Journal Article
Acta neuropathologica, ISSN 0001-6322, 2012, Volume 123, Issue 4, pp. 473 - 484
Medulloblastoma is the most common malignant brain tumor in childhood. Molecular studies from several groups around the world demonstrated that medulloblastoma...
Pathology | Neurosciences | Medicine & Public Health | Medulloblastoma | Pediatric brain tumor | Subgroups | Meta-analysis | PROFILES | SUBTYPES | DISTINCT | PATHOLOGY | NEUROSCIENCES | ADULT | CLINICAL NEUROLOGY | PEDIATRIC MEDULLOBLASTOMAS | BETA-CATENIN STATUS | CHILDHOOD MEDULLOBLASTOMA | Multivariate Analysis | Meta-Analysis as Topic | Age Distribution | Kv1.1 Potassium Channel - metabolism | Cerebellar Neoplasms - diagnosis | Humans | Transcriptome | Child, Preschool | Hedgehog Proteins - metabolism | Male | Gene Expression Profiling | Wnt Proteins - metabolism | Young Adult | Chromosomes, Human, Pair 3 | Wnt Proteins - genetics | Hedgehog Proteins - genetics | Microarray Analysis | Adult | Female | Retrospective Studies | Cerebellar Neoplasms - classification | Medulloblastoma - genetics | Child | Gene Expression Regulation, Neoplastic - physiology | Kv1.1 Potassium Channel - genetics | Receptors, Atrial Natriuretic Factor - metabolism | Medulloblastoma - diagnosis | International Cooperation | Cerebellar Neoplasms - genetics | Chromosomes, Human, Pair 17 | Adolescent | Chromosome Aberrations | Survival Analysis | Cytogenetics | Receptors, Atrial Natriuretic Factor - genetics | Medulloblastoma - classification | Cohort Studies | Immunohistochemistry | Demography | Wnt protein | Brain tumors | Data processing | Single-nucleotide polymorphism | Gene expression | Survival | Reviews | Hedgehog protein | DNA | Children | Original Paper
Pathology | Neurosciences | Medicine & Public Health | Medulloblastoma | Pediatric brain tumor | Subgroups | Meta-analysis | PROFILES | SUBTYPES | DISTINCT | PATHOLOGY | NEUROSCIENCES | ADULT | CLINICAL NEUROLOGY | PEDIATRIC MEDULLOBLASTOMAS | BETA-CATENIN STATUS | CHILDHOOD MEDULLOBLASTOMA | Multivariate Analysis | Meta-Analysis as Topic | Age Distribution | Kv1.1 Potassium Channel - metabolism | Cerebellar Neoplasms - diagnosis | Humans | Transcriptome | Child, Preschool | Hedgehog Proteins - metabolism | Male | Gene Expression Profiling | Wnt Proteins - metabolism | Young Adult | Chromosomes, Human, Pair 3 | Wnt Proteins - genetics | Hedgehog Proteins - genetics | Microarray Analysis | Adult | Female | Retrospective Studies | Cerebellar Neoplasms - classification | Medulloblastoma - genetics | Child | Gene Expression Regulation, Neoplastic - physiology | Kv1.1 Potassium Channel - genetics | Receptors, Atrial Natriuretic Factor - metabolism | Medulloblastoma - diagnosis | International Cooperation | Cerebellar Neoplasms - genetics | Chromosomes, Human, Pair 17 | Adolescent | Chromosome Aberrations | Survival Analysis | Cytogenetics | Receptors, Atrial Natriuretic Factor - genetics | Medulloblastoma - classification | Cohort Studies | Immunohistochemistry | Demography | Wnt protein | Brain tumors | Data processing | Single-nucleotide polymorphism | Gene expression | Survival | Reviews | Hedgehog protein | DNA | Children | Original Paper
Journal Article