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@ARTICLE{Marx:836585,
author = {Marx, Manuel and Qi, Guanxiao and Hanganu-Opatz, Ileana L.
and Kilb, Werner and Luhmann, Heiko J. and Feldmeyer, Dirk},
title = {{N}eocortical {L}ayer 6{B} as a {R}emnant of the {S}ubplate
- {A} {M}orphological {C}omparison},
journal = {Cerebral cortex},
volume = {27},
number = {2},
issn = {1460-2199},
address = {Oxford},
publisher = {Oxford Univ. Press},
reportid = {FZJ-2017-05660},
pages = {1011-1026},
year = {2017},
abstract = {The fate of the subplate (SP) is still a matter of debate.
The SP and layer 6 (which is ontogenetically the oldest and
innermostneocortical lamina) develop coincidentally. Yet,
the function of sublamina 6B is largely unknown. It has been
suggested that itconsists partly of neurons from the
transient SP, however, experimental evidence for this
hypothesis is still missing. To obtainfirst insights into
the neuronal complement of layer 6B in the somatosensory rat
barrel cortex, we used biocytin stainings of SPneurons (aged
0–4 postnatal days, PND) and layer 6B neurons (PND
11–35) obtained during in vitro whole-cell
patch-clamprecordings. Neurons were reconstructed for a
quantitative characterization of their axonal and dendritic
morphology. An unsupervised cluster analysis revealed that
the SP and layer 6B consist of heterogeneous but comparable
neuronal cell populations. Both contain 5 distinct
spine-bearing cell types whose relative fractions change
with increasing age. Pyramidal cells were more prominent in
layer 6B, whereas non-pyramidal neurons were less frequent.
Because of the high morphological similarity of SP and layer
6B neurons, we suggest that layer 6B consists of persistent
non-pyramidal neurons from the SP and cortical L6B pyramidal
neurons.},
cin = {INM-2},
ddc = {610},
cid = {I:(DE-Juel1)INM-2-20090406},
pnm = {571 - Connectivity and Activity (POF3-571)},
pid = {G:(DE-HGF)POF3-571},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000397257600010},
pubmed = {pmid:26637449},
doi = {10.1093/cercor/bhv279},
url = {https://juser.fz-juelich.de/record/836585},
}