Role for Reelin in stabilizing cortical architecture.
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Role for Reelin in stabilizing cortical architecture. / Frotscher, Michael.
In: TRENDS NEUROSCI, Vol. 33, No. 9, 9, 2010, p. 407-414.Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review
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TY - JOUR
T1 - Role for Reelin in stabilizing cortical architecture.
AU - Frotscher, Michael
PY - 2010
Y1 - 2010
N2 - Reelin controls the migration of neurons and layer formation during brain development. However, recent studies have shown that disrupting Reelin function in the adult hippocampus induces repositioning of fully differentiated neurons, suggesting a stabilizing effect of Reelin on mature neuronal circuitry. Indeed, Reelin was recently found to stabilize the actin cytoskeleton by inducing cofilin phosphorylation. When unphosphorylated, cofilin acts as an actin-depolymerizing protein that promotes the disassembly of F-actin. Here, a novel hypothesis is proposed whereby decreased Reelin expression in the mature brain causes destabilization of neurons and their processes, leading to aberrant plasticity and aberrant wiring of brain circuitry. This has implications for brain disorders, such as epilepsy and schizophrenia, in which deficiencies in Reelin expression occur.
AB - Reelin controls the migration of neurons and layer formation during brain development. However, recent studies have shown that disrupting Reelin function in the adult hippocampus induces repositioning of fully differentiated neurons, suggesting a stabilizing effect of Reelin on mature neuronal circuitry. Indeed, Reelin was recently found to stabilize the actin cytoskeleton by inducing cofilin phosphorylation. When unphosphorylated, cofilin acts as an actin-depolymerizing protein that promotes the disassembly of F-actin. Here, a novel hypothesis is proposed whereby decreased Reelin expression in the mature brain causes destabilization of neurons and their processes, leading to aberrant plasticity and aberrant wiring of brain circuitry. This has implications for brain disorders, such as epilepsy and schizophrenia, in which deficiencies in Reelin expression occur.
KW - Animals
KW - Humans
KW - Signal Transduction physiology
KW - Cerebral Cortex cytology
KW - Cell Movement physiology
KW - Neuronal Plasticity physiology
KW - Neurons cytology
KW - Cell Adhesion Molecules, Neuronal genetics
KW - Extracellular Matrix Proteins genetics
KW - Nerve Tissue Proteins genetics
KW - Serine Endopeptidases genetics
KW - Epilepsy metabolism
KW - Actin Depolymerizing Factors metabolism
KW - Actins metabolism
KW - Cytoskeleton metabolism
KW - Receptors, Notch metabolism
KW - Schizophrenia metabolism
KW - Animals
KW - Humans
KW - Signal Transduction physiology
KW - Cerebral Cortex cytology
KW - Cell Movement physiology
KW - Neuronal Plasticity physiology
KW - Neurons cytology
KW - Cell Adhesion Molecules, Neuronal genetics
KW - Extracellular Matrix Proteins genetics
KW - Nerve Tissue Proteins genetics
KW - Serine Endopeptidases genetics
KW - Epilepsy metabolism
KW - Actin Depolymerizing Factors metabolism
KW - Actins metabolism
KW - Cytoskeleton metabolism
KW - Receptors, Notch metabolism
KW - Schizophrenia metabolism
M3 - SCORING: Zeitschriftenaufsatz
VL - 33
SP - 407
EP - 414
JO - TRENDS NEUROSCI
JF - TRENDS NEUROSCI
SN - 0166-2236
IS - 9
M1 - 9
ER -