Unknown,Transcriptomics,Genomics,Proteomics

Dataset Information

Mice mRNA array for MACF1-knockdown MC3T3-E1 cell line

ABSTRACT: MC3T3-E1 cells with stable knockdown of MACF1 by shRNA. Cells were normally cultured and RNA extracted for mRNA microarray.

ORGANISM(S): Mus musculus

SUBMITTER: Chong Yin

PROVIDER: E-MTAB-11425 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Publications

A novel long noncoding RNA AK016739 inhibits osteoblast differentiation and bone formation.

Yin Chong C Tian Ye Y Yu Yang Y Wang Haoyu H Wu Zhixiang Z Huang Zizhan Z Zhang Yan Y Li Dijie D Yang Chaofei C Wang Xue X Li Yu Y Qian Airong A

Journal of cellular physiology 20190117 7

The incidence of postmenopausal osteoporosis research 50% in middle-aged and older women, however, effects of existing therapy are not ideal. Emerging evidence have proved that long noncoding RNAs (lncRNAs) was correlated with multiple physiological and pathology processes including development, carcinogenesis, and osteogenesis. However, reports on lncRNAs regulating bone formation were relatively limited. In this study, we screened osteogenic lncRNAs through mRNA/lncRNA microarray combined with ...[more]

PMID: 30656695

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Project description:Background:; Osteoblast differentiation requires the coordinated stepwise expression of multiple genes. Histone deacetylase inhibitors (HDIs) accelerate the osteoblast differentiation process by blocking the activity of histone deacetylases (HDACs), which alter gene expression by modifying chromatin structure. We previously demonstrated that HDIs and HDAC3 shRNAs accelerate matrix mineralization and the expression of osteoblast maturation genes (e.g. alkaline phosphatase, osteocalcin). Identifying other genes that are differentially regulated by HDIs might identify new pathways that contribute to osteoblast differentiation. Results:; To identify other osteoblast genes that are altered early by HDIs, we incubated MC3T3-E1 preosteoblasts with HDIs (trichostatin A, MS-275, or valproic acid) for 18 hours in osteogenic conditions. The promotion of osteoblast differentiation by HDIs in this experiment was confirmed by osteogenic assays. Gene expression profiles relative to vehicle-treated cells were assessed by microarray analysis with Affymetrix GeneChip 430 2.0 arrays. The regulation of several genes by HDIs in MC3T3-E1 cells and primary osteoblasts was verified by quantitative real-time PCR. Nine genes were differentially regulated by at least two-fold after exposure to each of the three HDIs and six were verified by PCR in osteoblasts. Four of the verified genes (solute carrier family 9 isoform 3 regulator 1 (Slc9a3r1), sorbitol dehydrogenase 1, a kinase anchor protein, and glutathione S-transferase alpha 4) were induced. Two genes (proteasome subunit, beta type 10 and adaptor-related protein complex AP-4 sigma 1) were suppressed. We also identified eight growth factors and growth factor receptor genes that are significantly altered by each of the HDIs, including Frizzled related proteins 1 and 4, which modulate the Wnt signaling pathway. Conclusions: This study identifies osteoblast genes that are regulated early by HDIs and indicates pathways that might promote osteoblast maturation following HDI exposure. One gene whose upregulation following HDI treatment is consistent with this notion is Slc9a3r1. Also known as NHERF1, Slc9a3r1 is required for optimal bone density. Similarly, the regulation of Wnt receptor genes indicates that this crucial pathway in osteoblast development is also affected by HDIs. These data support the hypothesis that HDIs regulate the expression of genes that promote osteoblast differentiation and maturation. Experiment Overall Design: To identify other osteoblast genes that are altered early by HDIs, we incubated MC3T3-E1 preosteoblasts with HDIs (trichostatin A, MS-275, or valproic acid) or the vehicle control (DMSO) for 18 hours in osteogenic conditions. Gene expression profiles relative to vehicle-treated cells were assessed in triplicate (in some cases quadruplicate) samples by microarray analysis with Affymetrix GeneChip 430 2.0 arrays.

Dataset Information

Mice mRNA array for MACF1-knockdown MC3T3-E1 cell line

Publications

A novel long noncoding RNA AK016739 inhibits osteoblast differentiation and bone formation.

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