Currently, limited information regarding the role of calcitonin gene-related peptide (CGRP) in neuropathic pain is available. Intracerebroventricular administrations of an anti-CGRP antibody were performed in rats with infraorbital nerve ligation. Anti-CGRP antibody administration attenuated mechanical and heat hypersensitivities induced by nerve ligation and decreased the phosphorylated extracellular signal-regulated kinase expression levels in the trigeminal spinal subnucleus caudalis (Vc) following mechanical or heat stimulation. An increased CGRP immunoreactivity in the Vc appeared after nerve ligation. A decreased CGRP immunoreactivity resulted from anti-CGRP antibody administration. Our findings suggest that anti-CGRP antibody administration attenuates the symptoms of trigeminal neuropathic pain by acting on CGRP in the Vc. (c) 2021 The Authors. Published by Elsevier Inc. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
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Univ Calif San Francisco, Dept Anat, San Francisco, CA 94158 USAUniv Calif San Francisco, Dept Anat, San Francisco, CA 94158 USA
Cavanaugh, Daniel J.
Chesler, Alexander T.
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Univ Calif San Francisco, Dept Physiol, San Francisco, CA 94158 USA
Univ Calif San Francisco, Dept Cellular & Mol Pharmacol, San Francisco, CA 94158 USAUniv Calif San Francisco, Dept Anat, San Francisco, CA 94158 USA
Chesler, Alexander T.
Braz, Joao M.
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Univ Calif San Francisco, Dept Anat, San Francisco, CA 94158 USAUniv Calif San Francisco, Dept Anat, San Francisco, CA 94158 USA
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Julius, David
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Univ Calif San Francisco, Dept Physiol, San Francisco, CA 94158 USA
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Julius, David
Basbaum, Allan I.
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Cavanaugh, Daniel J.
Lee, Hyosang
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CALTECH, Div Biol, Pasadena, CA 91125 USA
CALTECH, Howard Hughes Med Inst, Pasadena, CA 91125 USAUniv Calif San Francisco, Dept Anat, San Francisco, CA 94158 USA
Lee, Hyosang
Lo, Liching
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Shields, Shannon D.
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Univ N Carolina, Dept Cellular & Mol Physiol, Chapel Hill, NC 27599 USAUniv Calif San Francisco, Dept Anat, San Francisco, CA 94158 USA
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Basbaum, Allan I.
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Univ Calif San Francisco, Dept Anat, San Francisco, CA 94158 USAUniv Calif San Francisco, Dept Anat, San Francisco, CA 94158 USA
Cavanaugh, Daniel J.
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Univ Calif San Francisco, Dept Physiol, San Francisco, CA 94158 USA
Univ Calif San Francisco, Dept Cellular & Mol Pharmacol, San Francisco, CA 94158 USAUniv Calif San Francisco, Dept Anat, San Francisco, CA 94158 USA
Chesler, Alexander T.
Braz, Joao M.
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Braz, Joao M.
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Julius, David
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Univ Calif San Francisco, Dept Cellular & Mol Pharmacol, San Francisco, CA 94158 USAUniv Calif San Francisco, Dept Anat, San Francisco, CA 94158 USA
Julius, David
Basbaum, Allan I.
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Cavanaugh, Daniel J.
Lee, Hyosang
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CALTECH, Div Biol, Pasadena, CA 91125 USA
CALTECH, Howard Hughes Med Inst, Pasadena, CA 91125 USAUniv Calif San Francisco, Dept Anat, San Francisco, CA 94158 USA
Lee, Hyosang
Lo, Liching
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CALTECH, Div Biol, Pasadena, CA 91125 USA
CALTECH, Howard Hughes Med Inst, Pasadena, CA 91125 USAUniv Calif San Francisco, Dept Anat, San Francisco, CA 94158 USA
Lo, Liching
Shields, Shannon D.
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Univ Calif San Francisco, Dept Anat, San Francisco, CA 94158 USAUniv Calif San Francisco, Dept Anat, San Francisco, CA 94158 USA
Shields, Shannon D.
Zylka, Mark J.
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Univ N Carolina, Dept Cellular & Mol Physiol, Chapel Hill, NC 27599 USAUniv Calif San Francisco, Dept Anat, San Francisco, CA 94158 USA
Zylka, Mark J.
Basbaum, Allan I.
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Univ Calif San Francisco, Dept Anat, San Francisco, CA 94158 USAUniv Calif San Francisco, Dept Anat, San Francisco, CA 94158 USA
Basbaum, Allan I.
Anderson, David J.
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CALTECH, Div Biol, Pasadena, CA 91125 USA
CALTECH, Howard Hughes Med Inst, Pasadena, CA 91125 USAUniv Calif San Francisco, Dept Anat, San Francisco, CA 94158 USA