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全基因组鉴定和功能分析参与氧化石墨烯响应的长非编码 RNA

Genome-wide identification and functional analysis of long noncoding RNAs involved in the response to graphene oxide.

机构信息

Key Laboratory of Environmental Medicine Engineering in Ministry of Education, Medical School, Southeast University, Nanjing 210009, China.

Key Laboratory of Environmental Medicine Engineering in Ministry of Education, Medical School, Southeast University, Nanjing 210009, China.

出版信息

Biomaterials. 2016 Sep;102:277-91. doi: 10.1016/j.biomaterials.2016.06.041. Epub 2016 Jun 21.


DOI:10.1016/j.biomaterials.2016.06.041
PMID:27348851
Abstract

Long noncoding RNAs (lncRNAs), which are defined as noncoding RNAs having at least 200 nucleotides, can potentially regulate various biological processes. However, the roles of lncRNAs in regulating cellular response to engineered nanomaterials (ENMs) are still unclear. Using Hiseq 2000 sequencing technique, we performed a genome-wide screen to identify lncRNAs involved in the control of toxicity of graphene oxide (GO) using in vivo Caenorhabditis elegans assay system. HiSeq 2000 sequencing, followed by quantitative analysis, identified only 34 dysregulated lncRNAs in GO exposed nematodes. Bioinformatics analysis implies the biological processes and signaling pathways mediated by candidate lncRNAs involved in the control of GO toxicity. A lncRNAs-miRNAs network possibly involved in the control of GO toxicity was further raised. Moreover, we identified the shared lncRNAs based on the molecular regulation basis for chemical surface modifications and/or genetic mutations in reducing GO toxicity. We further provide direct evidence that these shared lncRNAs, linc-37 and linc-14, were involved in the control of chemical surface modifications and genetic mutations in reducing GO toxicity. linc-37 binding to transcriptional factor FOXO/DAF-16 might be important for the control of GO toxicity. Our whole-genome identification and functional analysis of lncRNAs highlights the important roles of lncRNAs based molecular mechanisms for cellular responses to ENMs in organisms.

摘要

长链非编码 RNA(lncRNAs)定义为具有至少 200 个核苷酸的非编码 RNA,可能调节各种生物过程。然而,lncRNAs 在调节细胞对工程纳米材料(ENMs)的反应中的作用尚不清楚。我们使用 Hiseq 2000 测序技术,通过体内秀丽隐杆线虫 assay 系统,进行了全基因组筛选,以鉴定参与氧化石墨烯(GO)毒性调控的 lncRNAs。HiSeq 2000 测序,随后进行定量分析,仅在 GO 暴露线虫中鉴定出 34 个失调的 lncRNAs。生物信息学分析表明候选 lncRNAs 介导的生物过程和信号通路参与 GO 毒性的控制。进一步提出了可能参与控制 GO 毒性的 lncRNAs-miRNAs 网络。此外,我们基于化学表面修饰和/或遗传突变的分子调控基础,确定了降低 GO 毒性的共享 lncRNAs。我们进一步提供了直接证据表明,这些共享的 lncRNAs,linc-37 和 linc-14,参与了控制化学表面修饰和遗传突变以降低 GO 毒性。linc-37 与转录因子 FOXO/DAF-16 的结合可能对控制 GO 毒性很重要。我们对 lncRNAs 的全基因组鉴定和功能分析突出了 lncRNAs 基于分子机制在生物体对 ENMs 的细胞反应中的重要作用。

相似文献

[1]
Genome-wide identification and functional analysis of long noncoding RNAs involved in the response to graphene oxide.

Biomaterials. 2016-6-21

[2]
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[3]
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[4]
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[5]
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[6]
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[7]
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[8]
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[9]
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[10]
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Front Cardiovasc Med. 2022-11-10

[2]
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Nanoscale Adv. 2020-9-15

[3]
A circular RNA in response to graphene oxide in nematodes.

RSC Adv. 2019-5-3

[4]
Intestinal long non-coding RNAs in response to simulated microgravity stress in Caenorhabditis elegans.

Sci Rep. 2021-1-21

[5]
Graphene oxide and indole-3-acetic acid cotreatment regulates the root growth of Brassica napus L. via multiple phytohormone pathways.

BMC Plant Biol. 2020-3-6

[6]
Deficit in the epidermal barrier induces toxicity and translocation of PEG modified graphene oxide in nematodes.

Toxicol Res (Camb). 2018-7-2

[7]
Screening Small Metabolites from Cells as Multifunctional Coatings Simultaneously Improves Nanomaterial Biocompatibility and Functionality.

Adv Sci (Weinh). 2018-5-23

[8]
Developmental basis for intestinal barrier against the toxicity of graphene oxide.

Part Fibre Toxicol. 2018-6-22

[9]
Whole-transcriptome analysis of atrophic ovaries in broody chickens reveals regulatory pathways associated with proliferation and apoptosis.

Sci Rep. 2018-5-8

[10]
Toxicity evaluation of Wanzhou watershed of Yangtze Three Gorges Reservior in the flood season in Caenorhabditis elegans.

Sci Rep. 2018-4-30

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