1
|
Van Wyngene L, Vanderhaeghen T, Petta I, Timmermans S, Corbeels K, Van der Schueren B, Vandewalle J, Van Looveren K, Wallaeys C, Eggermont M, Dewaele S, Catrysse L, van Loo G, Beyaert R, Vangoitsenhoven R, Nakayama T, Tavernier J, De Bosscher K, Libert C. ZBTB32 performs crosstalk with the glucocorticoid receptor and is crucial in glucocorticoid responses to starvation. iScience 2021; 24:102790. [PMID: 34337361 PMCID: PMC8324811 DOI: 10.1016/j.isci.2021.102790] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2020] [Revised: 03/25/2021] [Accepted: 06/24/2021] [Indexed: 12/15/2022] Open
Abstract
The hypothalamic-pituitary-adrenal (HPA) axis forms a complex neuroendocrine system that regulates the body’s response to stress such as starvation. In contrast with the glucocorticoid receptor (GR), Zinc finger and BTB domain containing 32 (ZBTB32) is a transcription factor with poorly described functional relevance in physiology. This study shows that ZBTB32 is essential for the production of glucocorticoids (GCs) in response to starvation, since ZBTB32−/− mice fail to increase their GC production in the absence of nutrients. In terms of mechanism, GR-mediated upregulation of adrenal Scarb1 gene expression was absent in ZBTB32−/− mice, implicating defective cholesterol import as the cause of the poor GC synthesis. These lower GC levels are further associated with aberrations in the metabolic adaptation to starvation, which could explain the progressive weight gain of ZBTB32−/− mice. In conclusion, ZBTB32 performs a crosstalk with the GR in the metabolic adaptation to starvation via regulation of adrenal GC production. ZBTB32 is involved in the glucocorticoid production in response to starvation GR-mediated upregulation of adrenal Scarb1 regulates cholesterol import The weight gain of ZBTB32−/− mice is associated with aberrant metabolic adaptations
Collapse
Affiliation(s)
- Lise Van Wyngene
- Center for Inflammation Research, VIB Center for Inflammation Research, 9000 Ghent, Belgium.,Department of Biomedical Molecular Biology, Ghent University, 9000 Ghent, Belgium
| | - Tineke Vanderhaeghen
- Center for Inflammation Research, VIB Center for Inflammation Research, 9000 Ghent, Belgium.,Department of Biomedical Molecular Biology, Ghent University, 9000 Ghent, Belgium
| | - Ioanna Petta
- Center for Inflammation Research, VIB Center for Inflammation Research, 9000 Ghent, Belgium.,Ghent Gut Inflammation Group (GGIG), Ghent University, 9000 Ghent, Belgium.,Department of Rheumatology, Ghent University, 9000 Ghent, Belgium
| | - Steven Timmermans
- Center for Inflammation Research, VIB Center for Inflammation Research, 9000 Ghent, Belgium.,Department of Biomedical Molecular Biology, Ghent University, 9000 Ghent, Belgium
| | - Katrien Corbeels
- Department of Chronic Diseases and Metabolism - Endocrinology, KU Leuven, Leuven, Belgium
| | - Bart Van der Schueren
- Department of Chronic Diseases and Metabolism - Endocrinology, KU Leuven, Leuven, Belgium
| | - Jolien Vandewalle
- Center for Inflammation Research, VIB Center for Inflammation Research, 9000 Ghent, Belgium.,Department of Biomedical Molecular Biology, Ghent University, 9000 Ghent, Belgium
| | - Kelly Van Looveren
- Center for Inflammation Research, VIB Center for Inflammation Research, 9000 Ghent, Belgium.,Department of Biomedical Molecular Biology, Ghent University, 9000 Ghent, Belgium
| | - Charlotte Wallaeys
- Center for Inflammation Research, VIB Center for Inflammation Research, 9000 Ghent, Belgium.,Department of Biomedical Molecular Biology, Ghent University, 9000 Ghent, Belgium
| | - Melanie Eggermont
- Center for Inflammation Research, VIB Center for Inflammation Research, 9000 Ghent, Belgium.,Department of Biomedical Molecular Biology, Ghent University, 9000 Ghent, Belgium
| | - Sylviane Dewaele
- Center for Inflammation Research, VIB Center for Inflammation Research, 9000 Ghent, Belgium.,Department of Biomedical Molecular Biology, Ghent University, 9000 Ghent, Belgium
| | - Leen Catrysse
- Center for Inflammation Research, VIB Center for Inflammation Research, 9000 Ghent, Belgium.,Department of Biomedical Molecular Biology, Ghent University, 9000 Ghent, Belgium
| | - Geert van Loo
- Center for Inflammation Research, VIB Center for Inflammation Research, 9000 Ghent, Belgium.,Department of Biomedical Molecular Biology, Ghent University, 9000 Ghent, Belgium.,Ghent Gut Inflammation Group (GGIG), Ghent University, 9000 Ghent, Belgium
| | - Rudi Beyaert
- Center for Inflammation Research, VIB Center for Inflammation Research, 9000 Ghent, Belgium.,Department of Biomedical Molecular Biology, Ghent University, 9000 Ghent, Belgium.,Ghent Gut Inflammation Group (GGIG), Ghent University, 9000 Ghent, Belgium
| | - Roman Vangoitsenhoven
- Department of Chronic Diseases and Metabolism - Endocrinology, KU Leuven, Leuven, Belgium
| | - Toshinori Nakayama
- Department of Immunology, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - Jan Tavernier
- Center for Medical Biotechnology, VIB Center for Medical Biotechnology, 9000 Ghent, Belgium.,Cytokine Receptor Laboratory (CRL), Department of Biomolecular Medicine, Faculty of Medicine and Health Sciences, Ghent University, 3 Albert Baertsoenkaai, 9000 Ghent, Belgium
| | - Karolien De Bosscher
- Center for Medical Biotechnology, VIB Center for Medical Biotechnology, 9000 Ghent, Belgium.,Translational Nuclear Receptor Research Lab, Department of Biomolecular Medicine, Faculty of Medicine and Health Sciences, Ghent University, 3 Albert Baertsoenkaai,9000 Ghent, Belgium
| | - Claude Libert
- Center for Inflammation Research, VIB Center for Inflammation Research, 9000 Ghent, Belgium.,Department of Biomedical Molecular Biology, Ghent University, 9000 Ghent, Belgium.,Ghent Gut Inflammation Group (GGIG), Ghent University, 9000 Ghent, Belgium
| |
Collapse
|
2
|
Martins CS, de Castro M. Generalized and tissue specific glucocorticoid resistance. Mol Cell Endocrinol 2021; 530:111277. [PMID: 33864884 DOI: 10.1016/j.mce.2021.111277] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Revised: 03/29/2021] [Accepted: 03/31/2021] [Indexed: 12/20/2022]
Abstract
Glucocorticoids (GCs) are steroid hormones that influence several physiologic functions and are among the most frequently prescribed drugs worldwide. Resistance to GCs has been observed in the context of the familial generalized GC resistance (Chrousos' syndrome) or tissue specific GC resistance in chronic inflammatory states. In this review, we have summarized the major factors that influence individual glucocorticoid sensitivity/resistance. The fine-tuning of GC action is determined in a tissue-specific fashion that includes the combination of different GC receptor promoters, translation initiation sites, splice isoforms, interacting proteins, post-translational modifications, and alternative mechanisms of signal transduction.
Collapse
Affiliation(s)
- Clarissa Silva Martins
- Department of Internal Medicine - Ribeirao Preto Medical School - University of Sao Paulo, Ribeirao Preto, SP, Brazil; School of Medicine, Federal University of Mato Grosso do Sul, Campo Grande, MS, Brazil
| | - Margaret de Castro
- Department of Internal Medicine - Ribeirao Preto Medical School - University of Sao Paulo, Ribeirao Preto, SP, Brazil.
| |
Collapse
|
3
|
Wu SP, Anderson ML, Wang T, Zhou L, Emery OM, Li X, DeMayo FJ. Dynamic transcriptome, accessible genome, and PGR cistrome profiles in the human myometrium. FASEB J 2019; 34:2252-2268. [PMID: 31908010 DOI: 10.1096/fj.201902654r] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2019] [Revised: 11/20/2019] [Accepted: 11/23/2019] [Indexed: 02/04/2023]
Abstract
The myometrium undergoes structural and functional remodeling during pregnancy. We hypothesize that myometrial genomic elements alter correspondingly in preparation for parturition. Human myometrial tissues from nonpregnant (NP) and term pregnant (TP) human subjects were examined by RNAseq, ATACseq, and PGR ChIPseq assays to profile transcriptome, assessible genome, and PGR occupancy. NP and TP specimens exhibit 2890 differentially expressed genes, reflecting an increase of metabolic, inflammatory, and PDGF signaling, among others, in adaptation to pregnancy. At the epigenome level, patterns of accessible genome change between NP and TP myometrium, leading to the altered enrichment of binding motifs for hormone and muscle regulators such as the progesterone receptor (PGR), Krüppel-like factors, and MEF2A transcription factors. PGR genome occupancy exhibits a significant difference between the two stages of the myometrium, concomitant with distinct transcriptomic profiles including genes such as ENO1, LHDA, and PLCL1 in the glycolytic and calcium signaling pathways. Over-representation of SRF, MYOD, and STAT binding motifs in PGR occupying sites further suggests interactions between PGR and major muscle regulators for myometrial gene expression. In conclusion, changes in accessible genome and PGR occupancy are part of the myometrial remodeling process and may serve as mechanisms to formulate the state-specific transcriptome profiles.
Collapse
Affiliation(s)
- San-Pin Wu
- Reproductive & Developmental Biology Laboratory, National Institute of Environmental Health Sciences, Research Triangle Park, NC
| | - Matthew L Anderson
- Department of Obstetrics & Gynecology, University of South Florida Morsani College of Medicine and Moffitt Cancer Center, Tampa, FL
| | - Tianyuan Wang
- Integrative Bioinformatics Support Group, National Institute of Environmental Health Sciences, Research Triangle Park, NC
| | - Lecong Zhou
- Integrative Bioinformatics Support Group, National Institute of Environmental Health Sciences, Research Triangle Park, NC
| | - Olivia M Emery
- Reproductive & Developmental Biology Laboratory, National Institute of Environmental Health Sciences, Research Triangle Park, NC
| | - Xilong Li
- Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, TX
| | - Francesco J DeMayo
- Reproductive & Developmental Biology Laboratory, National Institute of Environmental Health Sciences, Research Triangle Park, NC
| |
Collapse
|
4
|
Frank F, Okafor CD, Ortlund EA. The first crystal structure of a DNA-free nuclear receptor DNA binding domain sheds light on DNA-driven allostery in the glucocorticoid receptor. Sci Rep 2018; 8:13497. [PMID: 30201977 PMCID: PMC6131172 DOI: 10.1038/s41598-018-31812-9] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2018] [Accepted: 08/22/2018] [Indexed: 12/05/2022] Open
Abstract
The glucocorticoid receptor (GR) is a steroid hormone receptor of the nuclear receptor family that regulates gene expression in response to glucocorticoid hormone signaling. Interaction with specific GR DNA binding sequences causes conformational changes in the GR DNA binding domain (DBD) that result in recruitment of specific sets of co-regulators that determine transcriptional outcomes. We have solved the crystal structure of GR DBD in its DNA-free state, the first such crystal structure from any nuclear receptor. In contrast to previous NMR structures, this crystal structure reveals that free GR DBD adopts a conformation very similar to DNA-bound states. The lever arm region is the most variable element in the free GR DBD. Molecular dynamics of the free GR DBD as well as GR DBD bound to activating and repressive DNA elements confirm lever arm flexibility in all functional states. Cluster analysis of lever arm conformations during simulations shows that DNA binding and dimerization cause a reduction in the number of conformations sampled by the lever arm. These results reveal that DNA binding and dimerization drive conformational selection in the GR DBD lever arm region and show how DNA allosterically controls GR structure and dynamics.
Collapse
Affiliation(s)
- Filipp Frank
- Department of Biochemistry, Emory University School of Medicine, Atlanta, GA, 30322, USA
| | - C Denise Okafor
- Department of Biochemistry, Emory University School of Medicine, Atlanta, GA, 30322, USA
| | - Eric A Ortlund
- Department of Biochemistry, Emory University School of Medicine, Atlanta, GA, 30322, USA.
| |
Collapse
|