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Hwang, Daehee
식물 노화·수명 연구단
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Core transcriptional regulatory circuits in prion diseases

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Title
Core transcriptional regulatory circuits in prion diseases
Author(s)
Taek-Kyun Kim; Inyoul Lee; Ji-Hoon Cho; Brenda Canine; Andrew Keller; Nathan D. Price.; Daehee Hwang; George Carlson; Leroy Hood
Publication Date
2020-01
Journal
Molecular Brain, v.13, no.1, pp.1 - 14
Publisher
BIOMED CENTRAL LTD
Abstract
© 2020 The Author(s).Complex diseases involve dynamic perturbations of pathophysiological processes during disease progression. Transcriptional programs underlying such perturbations are unknown in many diseases. Here, we present core transcriptional regulatory circuits underlying early and late perturbations in prion disease. We first identified cellular processes perturbed early and late using time-course gene expression data from three prion-infected mouse strains. We then built a transcriptional regulatory network (TRN) describing regulation of early and late processes. We found over-represented feed-forward loops (FFLs) comprising transcription factor (TF) pairs and target genes in the TRN. Using gene expression data of brain cell types, we further selected active FFLs where TF pairs and target genes were expressed in the same cell type and showed correlated temporal expression changes in the brain. We finally determined core transcriptional regulatory circuits by combining these active FFLs. These circuits provide insights into transcriptional programs for early and late pathophysiological processes in prion disease
URI
https://pr.ibs.re.kr/handle/8788114/8738
DOI
10.1186/s13041-020-0551-3
ISSN
1756-6606
Appears in Collections:
Center for Plant Aging Research (식물 노화·수명 연구단) > 1. Journal Papers (저널논문)
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