Direct transdifferentiation of human Wharton's jelly mesenchymal stromal cells into cholinergic-like neurons.

Abstract:

:Barckground Alzheimer's disease (AD) is mainly caused by cellular loss and dysfunction of the basal forebrain cholinergic neurons and cholinergic axons in the cortex leading to slowly progressive decline in learning and memory performance. Unfortunately, no definitive treatment to halt neural cell loss exists to date. Therefore, it is necessary to obtain an unlimited source of cholinergic neurons for future pharmacological applications in AD. Human mesenchymal stromal cells (hMSCs) represent a unique source of cholinergic-like neurons (ChLNs). New method hWJ-MSCs were incubated with Cholinergic-N-Run medium for 4 and 7 days. Results hWJ-MSCs cultured with Cholinergic-N-Run medium differentiated into ChLNs in 4 days as evidenced by high levels of protein expression of the neuronal markers ChAT, VAChT, AChE, MAP2, β-Tubulin III, NeuN, TUC-4, NF-L and no expression of the immature marker SOX2, the dopaminergic marker TH, GABAergic marker GAD67 and glial marker GFAP. Comparison with existing method(s) The hWJ-MSCs form ChLNs (e.g., ∼26% IF+) within 20 days by using complex conditioned mediums that are expensive and time-consuming. We report for the first time, to our best knowledge, a direct method of hWJ-MSCs transdifferentiation into ChLNs (∼76% ChAT /VAChT assessed by immunofluorescence microscopy and flow cytometry) in an economic, efficient and timely fashion. Conclusions The fastest method to obtain ChLNs from hWJ-MSCs takes only four days using the one-step incubation medium Cholinergic-N-Run.

journal_name

J Neurosci Methods

authors

Mendivil-Perez M,Velez-Pardo C,Jimenez-Del-Rio M

doi

10.1016/j.jneumeth.2018.11.019

subject

Has Abstract

pub_date

2019-01-15 00:00:00

pages

126-138

eissn

0165-0270

issn

1872-678X

pii

S0165-0270(18)30387-X

journal_volume

312

pub_type

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