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Establishment of a radial glia-like mouse fetal hypothalamic neural stem cell line (AC1) able to differentiate into neuroendocrine cells.

ABSTRACT: The present study describes the generation and the characterization of a stable cell line of neural stem cells derived from embryonic mouse hypothalamus. These cells (AC1) grow as an adherent culture in defined serum-free medium and express typical markers of neurogenic radial glia and of hypothalamic precursors. After prolonged expansion, AC1 cells may be efficiently induced to differentiate into neurons and astroglial cells in vitro and start to express some hormonal neuropeptides, like TRH, CRH, and POMC. Based on the capabilities of AC1 cells to be stably expanded and to develop neuroendocrine lineages in vitro, these cells might represent a novel tool to elucidate the mechanisms involved in the development of the hypothalamus and in the specific differentiation of neuroendocrine neurons.

SUBMITTER: Cariboni A

PROVIDER: S-EPMC5322806 | biostudies-other | 2014

REPOSITORIES: biostudies-other

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Establishment of a radial glia-like mouse fetal hypothalamic neural stem cell line (AC1) able to differentiate into neuroendocrine cells.

Cariboni Anna A Conti Luciano L Andrè Valentina V Aprile Davide D Zasso Jacopo J Maggi Roberto R

Neurogenesis (Austin, Tex.) 20140728 1

The present study describes the generation and the characterization of a stable cell line of neural stem cells derived from embryonic mouse hypothalamus. These cells (AC1) grow as an adherent culture in defined serum-free medium and express typical markers of neurogenic radial glia and of hypothalamic precursors. After prolonged expansion, AC1 cells may be efficiently induced to differentiate into neurons and astroglial cells in vitro and start to express some hormonal neuropeptides, like TRH, C ...[more]

PMID: 28255570

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Project description:Human epidemiologic and animal model data indicate that early environmental influences can persistently alter an individual’s risk of obesity. Environmental effects on hypothalamic developmental epigenetics provide a strong candidate mechanism to explain such ‘developmental programming’ of obesity. To advance our understanding of these processes, it is essential to determine to what extent the diversity of hypothalamic cell types is regulated by epigenetic differences, and when these are established. By performing genome-scale DNA methylation profiling in hypothalamic neurons and non-neuronal cells at postnatal day 0 (P0) and P21, we found that most of the DNA methylation differences distinguishing these two cell types are established postnatally. We found dramatic neuron-specific increases in DNA methylation from P0 to P21. Gene ontology analyses indicated that cell-type specific P0 to P21 methylation changes are key regulators of hypothalamic development. Quantitative bisulfite pyrosequencing verified our methylation profiling results in 16 of 16 selected regions. Expression differences were associated with DNA methylation in several genes analyzed. Our data indicate that future studies of hypothalamic epigenetics in developmental programming of obesity will gain far greater sensitivity and insight by examining outcomes at the cell-type specific level. Moreover, our results provide new evidence that early postnatal life is a critical period for murine hypothalamic developmental epigenetics. Hypothalami were dissected from inbred male C57 mice at postnatal day 0 (P0) and P21. Non-neuronal and neuronal nuclei were separated via fluorescence-activated sorting based on staining for the neuron-specific nuclear surface marker NeuN; each sample for sorting was comprised of 2 age-matched hypothalami. Genome-scale DNA methylation profiling was performed by methylation specific amplification coupled with next generation sequencing (MSA-seq) as decribed below (5 independent samples per age).

Dataset Information

Establishment of a radial glia-like mouse fetal hypothalamic neural stem cell line (AC1) able to differentiate into neuroendocrine cells.

Publications

Establishment of a radial glia-like mouse fetal hypothalamic neural stem cell line (AC1) able to differentiate into neuroendocrine cells.

Similar Datasets

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