Abstract
CYtochrome P450, family 51 (CYP51) is an important enzyme for de novo cholesterol synthesis in mammalian cells. In the present study, we found that the expression of CYP51 positively correlated with CD4+ T cell activation both in vivo and in vitro. The addition of ketoconazole, a pharmacological inhibitor of CYP51, prevented the proliferation and activation of anti-CD3/CD28-expanded mouse CD4+ T cells in a dose-dependent fashion. Liquid chromatography-tandem mass spectrometry indicated an increase in levels of lanosterol in T cells treated with ketoconazole during activation. Ketoconazole-induced blockade of the cholesterol synthesis pathway also caused Sterol regulatory element binding protein 2 (SREBP2) activation in CD4+ T cells. Additionally, ketoconazole treatment elicited an integrated stress response in T cells that up-regulated activating transcription factor 4 (ATF4) and DNA-damage inducible transcript 3 (DDIT3/CHOP) at the translational level. Furthermore, treatment with ketoconazole significantly decreased the amount of CD4+ T cells infiltrating lesions in the submandibular glands of NOD/Ltj mice. In summary, our results suggest that CYP51 plays an essential role in the proliferation and survival of CD4+ T cells, which makes ketoconazole an inhibitor of CD4+ T cell proliferation and of the SS-like autoimmune response through regulating the biosynthesis of cholesterol and inducing the integrated stress response.
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Data banks/repositories corresponding to all datasets analyzed in this study were listed in Additional file 1.
Abbreviations
- ABCA1:
-
ATP-binding cassette transporter A 1
- ABCG1:
-
ATP-binding cassette transporter G 1
- ATF4:
-
Activating transcription factor 4
- BIM:
-
Bcl-2 interacting mediator of cell death
- BP:
-
Biological process
- CDK2:
-
Cyclin-dependent kinase 2
- CDK4:
-
Cyclin-dependent kinase 4
- CFSE:
-
5-(And -6) -Carboxyfluorescein Daicetate Succinimidyl Ester
- CYP51:
-
Lanosterol 14alpha-demethylase
- Cyp51:
-
Cytochrome P450 family 51
- CYP51A1:
-
Cytochrome P450 family 51 subfamily A member 1
- Ddit3:
-
DNA-damage inducible transcript 3
- DEGs:
-
Differentially expressed genes
- DMSO:
-
Dimethyl sulfoxide
- Eif2ak3:
-
Eukaryotic translation initiation factor 2 alpha kinase 3
- FDPS:
-
Farnesyl pyrophosphate synthase
- FBS:
-
Fetal bovine serum
- GEO:
-
Gene Expression Omnibus database
- GO:
-
Gene Ontology
- GSEA:
-
Gene Set Enrichment Analysis
- H&E:
-
Hematoxylin & eosin
- HMGCR:
-
Hydroxymethylglutaryl-CoA reductase
- HMG-CoA:
-
3-Hydroxy-3-methyl glutaryl coenzyme A reductase
- IFN-γ:
-
Interferon-γ
- IL-17:
-
Interleukin-17
- IL-2:
-
Interleukin-2
- HMGCR:
-
Hydroxymethylglutaryl-CoA reductase
- IDI1:
-
Isopentenyl pyrophosphate isomerase 1
- IL-6:
-
Interleukin-6
- JNK/STAT:
-
Janus kinase/signal transducer and activator of transcription
- KTC:
-
Ketoconazole
- LC–MS:
-
Liquid chromatography-tandem mass spectrometry
- ISR:
-
Integrated stress response
- LXRβ:
-
Liver x receptor β
- MBCD:
-
Methyl-β-cyclodextrin
- MCL-1:
-
Myeloid cell leukemia-1
- mRNA:
-
Messenger RNAs
- NCBI:
-
National Center for Biotechnology Information
- p38MAPK:
-
P38 mitogen-activated protein kinase
- PBS:
-
Phosphate buffered saline
- PCR:
-
Polymerase chain reaction
- PBMC:
-
Peripheral blood mononuclear cell
- PERK:
-
Protein kinase RNA–like endoplasmic reticulum kinase
- RA:
-
Rheumatoid arthritis
- SEM:
-
Standard deviations of the mean
- SFR:
-
Salivary flow rate
- siRNA:
-
Small-hairpin RNA
- SLE:
-
Systematic lupus erythematosus
- SQLE:
-
Squalene epoxidase
- SREBP2:
-
Sterol regulatory element binding protein2
- SS:
-
Sjogren’s syndrome
- Th1:
-
T helper 1
- TNF-α:
-
Tumor necrosis factor-α
- 7-DHC:
-
7-Dehydrocholesterol
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Acknowledgments
The flow cytometry and confocal analysis were performed in Core Facility of Basic Medical Sciences, Shanghai Jiao Tong University School of Medicine. We are grateful for the contributions of their professional assistant. We would like to express our gratitude to EditSprings (https://www.editsprings.cn/) for the expert linguistic services provided.
Funding
This research was funded by the National Natural Science Foundation of China (Grants No. 82001064, 82201086, 82170976, 81970951); Yangfan program of Shanghai Science and Technology Committee (22YF1422100); Fundamental research program funding of Ninth People’s Hospital affiliated to Shanghai Jiao Tong university School of Medicine (JYZZ132); Biological sample bank project of Ninth People’s Hospital Affiliated to Shanghai Jiao Tong university School of Medicine (YBKB202107); The Cross project of Shanghai Ninth people’s hospital affiliated to Shanghai Jiaotong University of Medicine and Shanghai Science and Technology University (JYJC202126); The 15th undergraduate training program for innovation of Shanghai Jiaotong University School of medicine (1521Y591); and the Shanghai Summit & Plateau Disciplines.
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Junhao Yin has a substantial contribution to the conception and design of this study, acquisition of experimental data, analysis of data, formal analysis and draft of the article. Jiayao Fu contributes to interpretation of data and paper writing. Yanxiong Shao contributes to methology. Jiabao Xu contributes to experimental validation and data curation. Hui Li contributes to experimental validation. Changyu Chen contributes to paper writing. Yijie Zhao and Zhanglong Zheng contribute to analysis of data. Chuangqi Yu has a substantial to design of the study. Lingyan Zheng and Baoli Wang have a substantial contribution to revise the article critically for important intellectual content and final approval of the version to be published. All authors read and approved the manuscript for submission.
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The study was conducted according to the guidelines of the Declaration of Helsinki and was approved by the Ethics Committee of the Shanghai Ninth People’s Hospital affiliated to Shanghai Jiao Tong University School of Medicine (Approval sequence: SH9H-2019-T159-2 and SH9H-2021-TK69-1).”
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10238_2022_939_MOESM4_ESM.tif
Additional file 4. Apoptosis evaluation of unactivated CD4+T cells treated with different concentration of KTC.(TIF 1339 KB)
10238_2022_939_MOESM5_ESM.tif
Additional file 5. Long-term treatment of KTC attenuates the symptoms of disease in SS-like NOD/ShiLtj mice. (A) Representative H&E staining of salivary gland tissues of the indicated groups. (B) Lymphocyte infiltration score of the indicated groups. Asterisk indicates P<0.05, double asterisks indicate P<0.01 vs. controlAdditional file 5. Long-term treatment of KTC attenuates the symptoms of disease in SS-like NOD/ShiLtj mice. (A) Representative H&E staining of salivary gland tissues of the indicated groups. (B) Lymphocyte infiltration score of the indicated groups. Asterisk indicates P<0.05, double asterisks indicate P<0.01 vs. control (TIF 3297 KB)
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Yin, J., Fu, J., Shao, Y. et al. CYP51-mediated cholesterol biosynthesis is required for the proliferation of CD4+ T cells in Sjogren’s syndrome. Clin Exp Med 23, 1691–1711 (2023). https://doi.org/10.1007/s10238-022-00939-5
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DOI: https://doi.org/10.1007/s10238-022-00939-5