Dataset Information

2017 gddy+M1

ABSTRACT: This project is to investgate the effect of M1 compound in gddy mice

INSTRUMENT(S): LTQ Orbitrap Elite

ORGANISM(S): Mus Musculus (mouse)

TISSUE(S): Kidney

DISEASE(S): Iga Glomerulonephritis

SUBMITTER: Lichieh Julie Chu

LAB HEAD: Ann Chen

PROVIDER: PXD008431 | Pride | 2020-04-02

REPOSITORIES: Pride

ACCESS DATA

Publications

IgA Nephropathy Benefits from Compound K Treatment by Inhibiting NF-κB/NLRP3 Inflammasome and Enhancing Autophagy and SIRT1.

Wu Chung-Yao CY Hua Kuo-Feng KF Hsu Wan-Han WH Suzuki Yusuke Y Chu Lichieh Julie LJ Lee Yu-Chieh YC Takahata Akiko A Lee Sheau-Long SL Wu Chia-Chao CC Nikolic-Paterson David J DJ Ka Shuk-Man SM Chen Ann A

Journal of immunology (Baltimore, Md. : 1950) 20200601 1

IgA nephropathy (IgAN), the most common primary glomerular disorder, has a relatively poor prognosis yet lacks a pathogenesis-based treatment. Compound K (CK) is a major absorbable intestinal bacterial metabolite of ginsenosides, which are bioactive components of ginseng. The present study revealed promising therapeutic effects of CK in two complementary IgAN models: a passively induced one developed by repeated injections of IgA immune complexes and a spontaneously occurring model of spontaneou ...[more]

PMID: 32482710

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Project description:The contribution of epigenetic alterations to natural variation for gene transcription levels remains unclear. In this study, we investigated the functional targets of the maize chromomethylase ZMET2 in multiple inbred lines to determine whether epigenetic changes conditioned by this chromomethylase are conserved or variable within the species. Gene expression microarrays were hybridized with RNA samples from the inbred lines B73 and Mo17, and from near-isogenic derivatives containing the loss-of-function allele zmet2-m1. A set of 126 genes that displayed statistically significant differential expression in zmet2 mutants relative to wild-type plants in at least one of the two genetic backgrounds were identified. Analysis of the transcript levels in both wild-type and mutant individuals revealed that only 10% of these genes were affected in zmet2 mutants in both B73 and Mo17 genetic backgrounds. Over 80% of the genes with expression patterns affected by zmet2 mutations display variation for gene expression between wild-type B73 and Mo17 plants. Further analysis was performed for seven genes that were transcriptionally silent in wild-type B73, but expressed in B73 zmet2-m1, wild-type Mo17 and Mo17 zmet2-m1 lines. Mapping experiments confirmed that the expression differences in wild-type B73 relative to Mo17 inbreds for these genes were caused by cis-acting regulatory variation. Methylation-sensitive PCR and bisulphite sequencing demonstrated that for five of these genes the CpNpG methylation in the wild-type B73 genetic background was substantially decreased in the B73 zmet2-m1 mutant and in wild-type Mo17. A survey of eight maize inbreds reveals that each of these five genes exhibit transcriptionally silent and methylated states in some inbred lines and unmethylated, expressed states in other inbreds, providing evidence for natural variation in epigenetic states for some maize genes. Experiment Overall Design: The zmet2-m1 mutant allele was backcrossed into two inbred backgrounds, B73 and Mo17. RNA was isolated from 6 biological replicates of B73 wild-type plants, 6 biological replicates of B73 zmet2-m1 mutant plants; 3 biological replicates of Mo17 wild-type plants and 3 biological replicates of Mo17 zmet2-m1 mutant plants.

Dataset Information

2017 gddy+M1

Publications

IgA Nephropathy Benefits from Compound K Treatment by Inhibiting NF-κB/NLRP3 Inflammasome and Enhancing Autophagy and SIRT1.

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