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Differentiating neurons derived from human umbilical cord blood stem cells work as a test system for developmental neurotoxicity

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A Correction to this article was published on 01 July 2019

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Abstract

Differentiating neuronal cells derived from human umbilical cord blood stem cells have been used as an in vitro tool for the assessment of developmental neurotoxicity of monocrotophos (MCP), an organophosphate pesticide. The differentiating cells were exposed to MCP during the different stages of maturation, viz., days 2, 4, and 8, and changes in the makers of cell proliferation, neuronal differentiation, neuronal injuries, and receptors were studied. We found significant upregulation in the different MAPKs, apoptosis, and neurogenesis markers and downregulation in the cell proliferation markers during neuronal differentiation. We further identified significant upregulation in the expression of different MAPKs and proteins involved in oxidative stress, apoptosis, and calpain pathways in the mid-differentiating cells exposed to MCP. The upregulated levels of these proteins seem to be the main cause of alteration during the differentiation process towards apoptosis as a fine-tune of pro-apoptotic and anti-apoptotic proteins are desirable for the process of differentiation without apoptosis. The decreased acetylcholinesterase activity, dopaminergic, and cholinergic receptors and increased acetylcholine levels in the differentiating neuronal cells indicate the vulnerability of these cells towards MCP-induced neurotoxicity. Our data confirms that differentiating neuronal cells derived from human umbilical cord stem cells could be used as a powerful tool to assess the developmental neurotoxicity in human beings.

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Change history

  • 01 July 2019

    The original version of this article unfortunately contained a mistake. The acknowledgment published was incomplete.

  • 01 July 2019

    The original version of this article unfortunately contained a mistake. The acknowledgment published was incomplete.

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Acknowledgments

Authors are grateful to the Director, the IITR, Lucknow, India, for his keen interest to the study. The work was supported by the Council of Scientific and Industrial Research (CSIR), New Delhi, India, [Grant No. BSC0111/INDEPTH/CSIR Network Project] and the Department of Biotechnology (DBT), New Delhi, India [Grant No. 102/IFD/SAN/PR-1524/2010-2011]. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the article.

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Authors of this manuscript have no conflict of interest among them or anybody else regarding the scientific contents, financial matters, or otherwise.

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  1. In Vitro Toxicology Laboratory, CSIR-Indian Institute of Toxicology Research, Post Box 80, MG Marg, Lucknow, 226001, India

    Mahendra P. Kashyap, Vivek Kumar, Abhishek K. Singh, Vinay K. Tripathi, Sadaf Jahan, Ankita Pandey, Ritesh K. Srivastava, Vinay K. Khanna & Aditya B. Pant

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  1. Mahendra P. Kashyap
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  2. Vivek Kumar
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  3. Abhishek K. Singh
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  4. Vinay K. Tripathi
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  6. Ankita Pandey
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  9. Aditya B. Pant
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Correspondence to Aditya B. Pant.

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Figure S1

List of 96 genes studied using TaqMan low-density array (TLDA) in 384-well plate format (DOC 309 kb)

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Kashyap, M.P., Kumar, V., Singh, A.K. et al. Differentiating neurons derived from human umbilical cord blood stem cells work as a test system for developmental neurotoxicity. Mol Neurobiol 51, 791–807 (2015). https://doi.org/10.1007/s12035-014-8716-7

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