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Abstract

Genetics

Culturing and Manipulation of O9-1 Neural Crest Cells

Published: October 9th, 2018

DOI:

10.3791/58346

1Molecular Physiology and Biophysics, Baylor College of Medicine, 2Department of Biochemistry and Molecular Biology, University of Southern California

ERRATUM NOTICE

Important: There has been an erratum issued for this article. Read more …

Abstract

Neural crest cells (NCCs) are migrating multipotent stem cells that can differentiate into different cell types and give rise to multiple tissues and organs. The O9-1 cell line is derived from the endogenous mouse embryonic NCCs and maintains its multipotency. However, under specific culture conditions, O9-1 cells can differentiate into different cell types and be utilized in a wide range of research applications. Recently, with the combination of mouse studies and O9-1 cell studies, we have shown that the Hippo signaling pathway effectors Yap and Taz play important roles in neural crest-derived craniofacial development. Although the culturing process for O9-1 cells is more complicated than that used for other cell lines, the O9-1 cell line is a powerful model for investigating NCCs in vitro. Here, we present a protocol for culturing the O9-1 cell line to maintain its stemness, as well as protocols for differentiating O9-1 cells into different cell types, such as smooth muscle cells and osteoblasts. In addition, protocols are described for performing gene loss-of-function studies in O9-1 cells by using CRISPR-Cas9 deletion and small interfering RNA-mediated knockdown.

Erratum

Erratum: Culturing and Manipulation of O9-1 Neural Crest Cells

An erratum was issued for: Culturing and Manipulation of O9-1 Neural Crest Cells. The Protocol section was updated.

Step 2.1 was updated from:

Prepare basal media for O9-1 cell culture by adding the following in DMEM (final concentrations are indicated): 15% FBS, 0.1 mM minimum essential media (MEM) nonessential amino acids, 1 mM sodium pyruvate, 55 mM beta-mercaptoethanol, 100 U/mL penicillin, 100 U/mL streptomycin, 2 mM L-glutamine, 103 units/mL leukemia inhibitory factor (LIF; added immediately before use, do not add to stock bottle), and 25 ng/mL fibroblast growth factor-basic (bFGF; added immediately before use, do not add to stock bottle).

to:

Prepare basal media for O9-1 cell culture by adding the following in DMEM (final concentrations are indicated): 15% FBS, 0.1 mM minimum essential media (MEM) nonessential amino acids, 1 mM sodium pyruvate, 55 µM beta-mercaptoethanol, 100 U/mL penicillin, 100 µg/mL streptomycin, 2 mM L-glutamine, 103 units/mL leukemia inhibitory factor (LIF; added immediately before use, do not add to stock bottle), and 25 ng/mL fibroblast growth factor-basic (bFGF; added immediately before use, do not add to stock bottle).

Step 5.1.1 was updated from:

To prepare osteogenic differentiation media, dilute the following in alpha-MEM (final concentrations are indicated): 0.1 mM dexamethasone, 100 ng/mL bone morphogenetic protein 2 (BMP2), 50 µg/mL ascorbic acid, 10 mM b-glycerophosphate, 10% FBS, 100 U/mL penicillin, and 100 mg/mL streptomycin.

to:

To prepare osteogenic differentiation media, dilute the following in alpha-MEM (final concentrations are indicated): 0.1 µM dexamethasone, 100 ng/mL bone morphogenetic protein 2 (BMP2), 50 µg/mL ascorbic acid, 10 mM b-glycerophosphate, 10% FBS, 100 U/mL penicillin, and 100 µg/mL streptomycin.

Step 5.2.1 was updated from:

To prepare chondrocyte differentiation media, dilute the following in alpha-MEM (final concentrations are indicated): 5% fetal calf serum (FCS), 1% insulin-transferrin-selenium (ITS), 100 U/mL penicillin, 100 mg/mL streptomycin, 10 ng/mL transforming growth factor beta (TGF-b3), 50 mg/mL ascorbic acid, 10 ng/mL BMP2, 0.1 mM dexamethasone, and 1 mM sodium pyruvate.

to:

To prepare chondrocyte differentiation media, dilute the following in alpha-MEM (final concentrations are indicated): 5% fetal calf serum (FCS), 1% insulin-transferrin-selenium (ITS), 100 U/mL penicillin, 100 µg/mL streptomycin, 10 ng/mL transforming growth factor beta (TGF-b3), 50 µg/mL ascorbic acid, 10 ng/mL BMP2, 0.1 µM dexamethasone, and 1 mM sodium pyruvate.

Step 5.4.1 was updated from:

To prepare glial cell differentiation media, dilute the following in DMEM/F12 (final concentrations are indicated): 1x B-27 supplement, 2 mM L-glutamine, 50 ng/mL BMP2, 100 U/mL penicillin, 100 mg/mL streptomycin, 50 ng/mL LIF, and 1% heat-inactivated FBS.

to:

To prepare glial cell differentiation media, dilute the following in DMEM/F12 (final concentrations are indicated): 1x B-27 supplement, 2 mM L-glutamine, 50 ng/mL BMP2, 100 U/mL penicillin, 100 µg/mL streptomycin, 50 ng/mL LIF, and 1% heat-inactivated FBS.

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Keywords O9 1 Cell Line

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