Spatio-temporal expression analysis of the calcium-binding protein calumenin in the rodent brain.
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Spatio-temporal expression analysis of the calcium-binding protein calumenin in the rodent brain. / Vasiljevic, M; Heisler, Frank; Hausrat, Torben; Fehr, Susanne; Milenkovic, I; Kneussel, Matthias; Sieghart, W.
In: NEUROSCIENCE, Vol. 202, 2012, p. 29-41.Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review
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TY - JOUR
T1 - Spatio-temporal expression analysis of the calcium-binding protein calumenin in the rodent brain.
AU - Vasiljevic, M
AU - Heisler, Frank
AU - Hausrat, Torben
AU - Fehr, Susanne
AU - Milenkovic, I
AU - Kneussel, Matthias
AU - Sieghart, W
PY - 2012
Y1 - 2012
N2 - Calumenin is a Ca(2+)-binding protein that belongs to the CREC superfamily. It contains six EF-hand domains that exhibit a low affinity for Ca(2+) as well as an endoplasmic reticulum retention signal. Calumenin exhibits a broad and relatively high expression in various brain regions during development as demonstrated by in situ hybridization. Signal intensity of calumenin is highest during the early development and then declines over time to reach a relatively low expression in adult animals. Immunohistochemistry indicates that at the P0 stage, calumenin expression is most abundant in migrating neurons in the zones around the lateral ventricle. In the brain of adult animals, it is expressed in various glial and neuronal cell types, including immature neurons in subgranular zone of hippocampal dentate gyrus. At the subcellular level, calumenin is identified in punctuate and diffuse distribution mostly in somatic regions where it co-localizes with endoplasmic reticulum (ER) and partially Golgi apparatus. Upon subcellular fractionation, calumenin is enriched in fractions containing membranes and is only weakly present in soluble fractions. This study points to a possible important role of calumenin in migration and differentiation of neurons, and/or in Ca(2+) signaling between glial cells and neurons.
AB - Calumenin is a Ca(2+)-binding protein that belongs to the CREC superfamily. It contains six EF-hand domains that exhibit a low affinity for Ca(2+) as well as an endoplasmic reticulum retention signal. Calumenin exhibits a broad and relatively high expression in various brain regions during development as demonstrated by in situ hybridization. Signal intensity of calumenin is highest during the early development and then declines over time to reach a relatively low expression in adult animals. Immunohistochemistry indicates that at the P0 stage, calumenin expression is most abundant in migrating neurons in the zones around the lateral ventricle. In the brain of adult animals, it is expressed in various glial and neuronal cell types, including immature neurons in subgranular zone of hippocampal dentate gyrus. At the subcellular level, calumenin is identified in punctuate and diffuse distribution mostly in somatic regions where it co-localizes with endoplasmic reticulum (ER) and partially Golgi apparatus. Upon subcellular fractionation, calumenin is enriched in fractions containing membranes and is only weakly present in soluble fractions. This study points to a possible important role of calumenin in migration and differentiation of neurons, and/or in Ca(2+) signaling between glial cells and neurons.
M3 - SCORING: Journal article
VL - 202
SP - 29
EP - 41
JO - NEUROSCIENCE
JF - NEUROSCIENCE
SN - 0306-4522
ER -
