ADNP/ADNP2 expression in oligodendrocytes: implication for myelin-related neurodevelopment

Journal of Molecular Neuroscience : MN
Anna MalishkevichIllana Gozes

Abstract

Oligodendrocytes, the myelin-forming cells of the central nervous system, play important roles in brain development and maintenance. Activity-dependent neuroprotective protein (ADNP), an early marker essential for brain formation, interacts with microtubule end-binding proteins (EB1, EB2, and EB3). EB1 and EB3 are highly expressed in neurons (axons and dendritic spines, respectively) and EB1 enhancement of neurite outgrowth is attenuated by EB2. ADNP/EB presence in oligodendrocytes has not been studied so far. Here, we measured messenger RNA (mRNA) levels of ADNP and EB1-EB3 in rat brain oligodendrocytes during culture maturation and in rat brains during development (1, 35, and 75 days) in comparison with rat astrocytes, dorsal root ganglion (DRG) neurons, and the oligodendroglia cell lines (OLN-93 cell line, not expressing the microtubule-associated protein (MAP) tau, and OLN-93 cells stably transfected to express various forms of tau). Results showed that all transcripts studied were expressed in oligodendrocytes. ADNP and EB2 mRNA transcript content peaked at the time of oligodendrocyte maturation (5 days in vitro) and was highest in newborn rat brains compared with mature brains. ADNP2 (the only family member of ADNP), and ...Continue Reading

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Citations

Jul 15, 2020·Translational Psychiatry·Iris GriggIllana Gozes
Jul 21, 2017·Frontiers in Molecular Neuroscience·Shasha ZhangRenjie Chai
Dec 3, 2020·Translational Psychiatry·Jing LuCharles Claudianos
Feb 20, 2021·Assay and Drug Development Technologies·Hermann A M Mucke

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