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Protein kinase A contributes to sciatic ligation-associated early activation of cyclic AMP response element binding protein in the rat spinal dorsal horn. 2004

Gordana Miletic, and Eric N Hanson, and Caitlin A Savagian, and Vjekoslav Miletic
Department of Comparative Biosciences, University of Wisconsin, 2015 Linden Drive, Madison, WI 53706-1102, USA.

We examined whether early injury-associated activation of cyclic AMP response element binding protein (CREB) in the spinal dorsal horn was mediated by the cyclic AMP-dependent protein kinase A (PKA) pathway. Significant increases in the levels of phosphorylated CREB (pCREB), phosphorylated PKAIIalpha regulatory subunit (pPKA), and PKAalpha catalytic subunit (PKAalpha cat) were elicited 2 h after loose ligation of the sciatic nerve. These injury-elicited increases were significantly reduced by dorsal horn application of the cell-permeable PKA inhibitor Rp-8-Br-cAMPS. The cell-permeable PKA activator Sp-8-Br-cAMPS significantly increased the levels of pCREB, pPKA and PKAalpha cat 2 h after application onto the dorsal horn of control, uninjured animals. Our data lent further support to the notion that activation of PKA may play an important role in the early stages of nerve injury-elicited plasticity in the dorsal horn.

UI MeSH Term Description Entries
D007796 Laminectomy A surgical procedure that entails removing all (laminectomy) or part (laminotomy) of selected vertebral lamina to relieve pressure on the SPINAL CORD and/or SPINAL NERVE ROOTS. Vertebral lamina is the thin flattened posterior wall of vertebral arch that forms the vertebral foramen through which pass the spinal cord and nerve roots. Laminotomy,Laminectomies,Laminotomies
D008026 Ligation Application of a ligature to tie a vessel or strangulate a part. Ligature,Ligations,Ligatures
D008297 Male Males
D010766 Phosphorylation The introduction of a phosphoryl group into a compound through the formation of an ester bond between the compound and a phosphorus moiety. Phosphorylations
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D012584 Sciatic Nerve A nerve which originates in the lumbar and sacral spinal cord (L4 to S3) and supplies motor and sensory innervation to the lower extremity. The sciatic nerve, which is the main continuation of the sacral plexus, is the largest nerve in the body. It has two major branches, the TIBIAL NERVE and the PERONEAL NERVE. Nerve, Sciatic,Nerves, Sciatic,Sciatic Nerves
D013116 Spinal Cord A cylindrical column of tissue that lies within the vertebral canal. It is composed of WHITE MATTER and GRAY MATTER. Coccygeal Cord,Conus Medullaris,Conus Terminalis,Lumbar Cord,Medulla Spinalis,Myelon,Sacral Cord,Thoracic Cord,Coccygeal Cords,Conus Medullari,Conus Terminali,Cord, Coccygeal,Cord, Lumbar,Cord, Sacral,Cord, Spinal,Cord, Thoracic,Cords, Coccygeal,Cords, Lumbar,Cords, Sacral,Cords, Spinal,Cords, Thoracic,Lumbar Cords,Medulla Spinali,Medullari, Conus,Medullaris, Conus,Myelons,Sacral Cords,Spinal Cords,Spinali, Medulla,Spinalis, Medulla,Terminali, Conus,Terminalis, Conus,Thoracic Cords
D013873 Thionucleotides Nucleotides in which the base moiety is substituted with one or more sulfur atoms.
D015124 8-Bromo Cyclic Adenosine Monophosphate A long-acting derivative of cyclic AMP. It is an activator of cyclic AMP-dependent protein kinase, but resistant to degradation by cyclic AMP phosphodiesterase. 8-Bromo-cAMP,8-Br Cyclic AMP,8-Bromo Cyclic AMP,8-Bromo Cyclic Adenosine Monophosphate, Monosodium Salt,8-Bromo Cyclic Adenosine Monophosphate, Sodium Salt,8-Bromoadenosine 3',5'-Cyclic Monophosphate,Br Cycl AMP,8 Br Cyclic AMP,8 Bromo Cyclic AMP,8 Bromo Cyclic Adenosine Monophosphate,8 Bromo Cyclic Adenosine Monophosphate, Monosodium Salt,8 Bromo Cyclic Adenosine Monophosphate, Sodium Salt,8 Bromo cAMP,8 Bromoadenosine 3',5' Cyclic Monophosphate,AMP, Br Cycl,Cyclic AMP, 8-Br,Cyclic AMP, 8-Bromo
D015153 Blotting, Western Identification of proteins or peptides that have been electrophoretically separated by blot transferring from the electrophoresis gel to strips of nitrocellulose paper, followed by labeling with antibody probes. Immunoblotting, Western,Western Blotting,Western Immunoblotting,Blot, Western,Immunoblot, Western,Western Blot,Western Immunoblot,Blots, Western,Blottings, Western,Immunoblots, Western,Immunoblottings, Western,Western Blots,Western Blottings,Western Immunoblots,Western Immunoblottings

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