TY - JOUR
T1 - Enhanced production of mesencephalic dopaminergic neurons from lineage-restricted human undifferentiated stem cells
AU - Maimaitili, Muyesier
AU - Chen, Muwan
AU - Febbraro, Fabia
AU - Ucuncu, Ekin
AU - Kelly, Rachel
AU - Niclis, Jonathan Christos
AU - Christiansen, Josefine Rågård
AU - Mermet-Joret, Noëmie
AU - Niculescu, Dragos
AU - Lauritsen, Johanne
AU - Iannielli, Angelo
AU - Klæstrup, Ida H
AU - Jensen, Uffe Birk
AU - Qvist, Per
AU - Nabavi, Sadegh
AU - Broccoli, Vania
AU - Nykjær, Anders
AU - Romero-Ramos, Marina
AU - Denham, Mark
PY - 2023/12
Y1 - 2023/12
N2 - Current differentiation protocols for generating mesencephalic dopaminergic (mesDA) neurons from human pluripotent stem cells result in grafts containing only a small proportion of mesDA neurons when transplanted in vivo. In this study, we develop lineage-restricted undifferentiated stem cells (LR-USCs) from pluripotent stem cells, which enhances their potential for differentiating into caudal midbrain floor plate progenitors and mesDA neurons. Using a ventral midbrain protocol, 69% of LR-USCs become bona fide caudal midbrain floor plate progenitors, compared to only 25% of human embryonic stem cells (hESCs). Importantly, LR-USCs generate significantly more mesDA neurons under midbrain and hindbrain conditions in vitro and in vivo. We demonstrate that midbrain-patterned LR-USC progenitors transplanted into 6-hydroxydopamine-lesioned rats restore function in a clinically relevant non-pharmacological behavioral test, whereas midbrain-patterned hESC-derived progenitors do not. This strategy demonstrates how lineage restriction can prevent the development of undesirable lineages and enhance the conditions necessary for mesDA neuron generation.
AB - Current differentiation protocols for generating mesencephalic dopaminergic (mesDA) neurons from human pluripotent stem cells result in grafts containing only a small proportion of mesDA neurons when transplanted in vivo. In this study, we develop lineage-restricted undifferentiated stem cells (LR-USCs) from pluripotent stem cells, which enhances their potential for differentiating into caudal midbrain floor plate progenitors and mesDA neurons. Using a ventral midbrain protocol, 69% of LR-USCs become bona fide caudal midbrain floor plate progenitors, compared to only 25% of human embryonic stem cells (hESCs). Importantly, LR-USCs generate significantly more mesDA neurons under midbrain and hindbrain conditions in vitro and in vivo. We demonstrate that midbrain-patterned LR-USC progenitors transplanted into 6-hydroxydopamine-lesioned rats restore function in a clinically relevant non-pharmacological behavioral test, whereas midbrain-patterned hESC-derived progenitors do not. This strategy demonstrates how lineage restriction can prevent the development of undesirable lineages and enhance the conditions necessary for mesDA neuron generation.
UR - http://www.scopus.com/inward/record.url?scp=85178463263&partnerID=8YFLogxK
U2 - 10.1038/s41467-023-43471-0
DO - 10.1038/s41467-023-43471-0
M3 - Journal article
C2 - 38052784
SN - 2041-1723
VL - 14
JO - Nature Communications
JF - Nature Communications
IS - 1
M1 - 7871
ER -