Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Warning: imagejpeg(C:\Inetpub\vhosts\kidney.de\httpdocs\phplern\25017721
.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 Cell+Stem+Cell
2014 ; 15
(3
): 326-339
Nephropedia Template TP
gab.com Text
Twit Text FOAVip
Twit Text #
English Wikipedia
Single-cell analysis reveals functionally distinct classes within the planarian
stem cell compartment
#MMPMID25017721
van Wolfswinkel JC
; Wagner DE
; Reddien PW
Cell Stem Cell
2014[Sep]; 15
(3
): 326-339
PMID25017721
show ga
Planarians are flatworms capable of regenerating any missing body region. This
capacity is mediated by neoblasts, a proliferative cell population that contains
pluripotent stem cells. Although population-based studies have revealed many
neoblast characteristics, whether functionally distinct classes exist within this
population is unclear. Here, we used high-dimensional single-cell transcriptional
profiling from over a thousand individual neoblasts to directly compare gene
expression fingerprints during homeostasis and regeneration. We identified two
prominent neoblast classes that we named ? (zeta) and ? (sigma). Zeta-neoblasts
encompass specified cells that give rise to an abundant postmitotic lineage,
including epidermal cells, and are not required for regeneration. By contrast,
sigma-neoblasts proliferate in response to injury, possess broad
lineage capacity, and can give rise to zeta-neoblasts. These findings indicate
that planarian neoblasts comprise two major and functionally distinct cellular
compartments.