Evidence map›Paper›PMID 35140411›Full record

ReviewNature protocols2022

Spotting-based differentiation of functional dopaminergic progenitors from human pluripotent stem cells.

Jisun Kim, Jeha Jeon, Bin Song, Nayeon Lee, Sanghyeok Ko, Young Cha, Pierre Leblanc, Hyemyung Seo, Kwang-Soo Kim

Open access · greenAbstract readReview
In one paragraph

Review in Nature protocols, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.

0numbers the graph read from it
0cells of the map it votes in
16citing papers in PubMed
1.5field-weighted citation impact, top 19% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

16 citing papers in PubMed, 22 citations in OpenAlex.

  1. Review
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  13. [Directed differentiation of human induced pluripotent stem cells into midbrain].Nan fang yi ke da xue xue bao = Journal of Southern Medical University · 2023
    Article
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

9 authors at 1 institution in 2 countries.

Jisun KimDepartment of Psychiatry, McLean Hospital, Harvard Medical School, Belmont, MA, USA.ORCID http://orcid.org/0000-0002-7203-8652
Jeha JeonDepartment of Psychiatry, McLean Hospital, Harvard Medical School, Belmont, MA, USA.
Bin SongDepartment of Psychiatry, McLean Hospital, Harvard Medical School, Belmont, MA, USA.
Nayeon LeeDepartment of Psychiatry, McLean Hospital, Harvard Medical School, Belmont, MA, USA.ORCID http://orcid.org/0000-0002-3377-2301
Sanghyeok KoDepartment of Psychiatry, McLean Hospital, Harvard Medical School, Belmont, MA, USA.
Young ChaDepartment of Psychiatry, McLean Hospital, Harvard Medical School, Belmont, MA, USA.ORCID http://orcid.org/0000-0001-7647-0699
Pierre LeblancDepartment of Psychiatry, McLean Hospital, Harvard Medical School, Belmont, MA, USA.ORCID http://orcid.org/0000-0001-8756-2396
Hyemyung SeoDepartment of Psychiatry, McLean Hospital, Harvard Medical School, Belmont, MA, USA. hseo@hanyang.ac.kr.ORCID http://orcid.org/0000-0003-1109-5845
Kwang-Soo KimDepartment of Psychiatry, McLean Hospital, Harvard Medical School, Belmont, MA, USA. kskim@mclean.harvard.edu.ORCID http://orcid.org/0000-0002-6081-9857
Harvard University · US

Funding

Protein-induced human iPS cells for personalized cell therapy of PDR01NS070577 · NINDS · MCLEAN HOSPITAL · PI KIM, KWANG-SOO, KORDOWER, JEFFREY H · 2010 to 2020
$4.9M
Biorepository of iPSC lines from diverse rat strains for regenerative medicine researchR24OD024622 · OD · MCLEAN HOSPITAL · PI KIM, KWANG-SOO, KONG, SEK WON · 2018 to 2021
$3.4M
NIH HHS R24 OD024622NINDS NIH HHS R01 NS070577
6 · The paper itself

Abstract

To fully realize the potential of human pluripotent stem cells (hPSCs) for both therapeutic and research purposes, it is critical to follow an efficient and reliable in vitro differentiation method that is based on optimal physical, chemical and developmental cues. This highly reproducible protocol describes how to grow hPSCs such as human induced pluripotent and embryonic stem cells in a physically confined area ('spot') and efficiently differentiate them into a highly enriched population of healthy and functional midbrain dopamine progenitors (mDAPs) and midbrain dopamine neurons (mDANs). The protocol takes 28 d, during which cells first grow and differentiate in spots for 14 d and then are replated and further differentiated for a further 14 d as a monolayer culture. We describe how to produce mDAPs, control the quality of cells and cryopreserve mDAPs without loss of viability. Previously we showed that mDANs generated by this 'spotting'-based method exhibit gene expression and (electro)physiological properties typical of A9 mDANs lost in Parkinson's disease brains and can rescue motor defects when transplanted into the striatum of 6-hydroxydopamine-lesioned rats. This protocol is scalable for production of mDAPs under good manufacturing practice conditions and was also previously successfully used to generate cells for the first autologous cell replacement therapy of a patient with Parkinson's disease without the need for immune suppression. We anticipate this protocol could also be readily adapted to use spotting-based culture to further optimize the differentiation of hPSC to alternative differentiated cell types.

Indexed as

Induced Pluripotent Stem CellsPluripotent Stem CellsAnimalsCell DifferentiationDopamineDopaminergic NeuronsHumansMesencephalonRatsDopamine

Identifiers

PMID35140411
PMCPMC9511827
OpenAlexW4210916169

What OpenQuestion holds

Textmetadata
LicenceTDM
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.