Identifying Candidate Genes Associated with Sporadic Amyotrophic Lateral Sclerosis via Integrative Analysis of Transcriptome-Wide Association Study and Messenger RNA Expression Profile

Li, Ping; Cheng, Shiqiang; Wen, Yan; Cheng, Bolun; Liu, Li; Wu, Xiuhua; Ao, Xiang; Huang, Zucheng; Liao, Congrui; Li, Shaen; Zhang, Na; Zhang, Zhongmin

doi:10.1007/s10571-021-01186-0

Cited by 1 publication

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“…Functional Enrichment and Annotation Analysis KEGG pathway enrichment analyses of the identified significant genes by mRNA sequencing analysis were performed by an R package and functional mapping and annotation (FUMA) software. 16…”

Section: Inhibition Of Mapk3 Expression In Huc-mscsmentioning

confidence: 99%

Discovery of Taurocholic Acid Sodium Hydrate as a Novel Repurposing Drug for Intervertebral Disc Degeneration by Targeting MAPK3

Li,

Chen,

Meng

et al. 2023

Orthopaedic Surgery

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ObjectiveNowadays, more than 90% of people over 50 years suffer from intervertebral disc degeneration (IDD), but there are exist no ideal drugs. The aim of this study is to identify a new drug for IDD.MethodsAn approved small molecular drug library including 2040 small molecular compounds was used here. We found that taurocholic acid sodium hydrate (NAT) could induce chondrogenesis and osteogenesis in mesenchymal stem cells (MSCs). Then, an in vivo mouse model of IDD was established and the coccygeal discs transcriptome analysis and surface plasmon resonance analysis (SPR) integrated with liquid chromatography–tandem mass spectrometry assay (LC‐MS) were performed in this study to study the therapy effect and target proteins of NAT for IDD. Micro‐CT was used to evaluate the cancellous bone. The expression of osteogenic (OCN, RNX2), chondrogenic (COL2A1, SOX9), and the target related (ERK1/2, p‐ERK1/2) proteins were detected. The alkaline phosphatase staining was performed to estimate osteogenic differentiation. Blood routine and blood biochemistry indexes were analyzed for the safety of NAT.ResultsThe results showed that NAT could induce chondrogenesis and osteogenesis in MSCs. Further experiments confirmed NAT could ameliorate the secondary osteoporosis and delay the development of IDD in mice. Transcriptome analysis identified 128 common genes and eight Kyoto Encyclopedia of Genes and Genomes (KEGG) pathways for NAT. SPR‐LC–MS assay detected 57 target proteins for NAT, including MAPK3 (mitogen‐activated protein kinase 3), also known as ERK1 (extracellular regulated protein kinase 1). Further verification experiment confirmed that NAT significantly reduced the expression of ERK1/2 phosphorylation.ConclusionNAT would induce chondrogenesis and osteogenesis of MSCs, ameliorate the secondary osteoporosis and delay the progression of IDD in mice by targeting MAPK3.Furthermore, MAPK3, especially the phosphorylation of MAPK3, would be a potential therapeutic target for IDD treatment.

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Section: Inhibition Of Mapk3 Expression In Huc-mscsmentioning

confidence: 99%