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Long J, Zhao X, Liang F, Zeng Y, Liu N, Sun Y, Xi Y. An innovative lab-scale production for a novel therapeutic DNA vaccine candidate against rheumatoid arthritis. J Biol Eng 2024; 18:19. [PMID: 38414057 PMCID: PMC10898022 DOI: 10.1186/s13036-024-00411-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Accepted: 02/05/2024] [Indexed: 02/29/2024] Open
Abstract
BACKGROUND Recent therapeutic-plasmid DNA vaccine strategies for rheumatoid arthritis (RA) have significantly improved. Our pcDNA-CCOL2A1 vaccine is the most prominent and the first antigen-specific tolerising DNA vaccine with potent therapeutic and prophylactic effects compared with methotrexate (MTX), the current "gold standard" treatment for collagen-induced arthritis (CIA). This study developed a highly efficient, cost-effective, and easy-to-operate system for the lab-scale production of endotoxin-free supercoiled plasmids with high quality and high yield. Based on optimised fermentation culture, we obtained a high yield of pcDNA-CCOL2A1 vaccine by PEG/MgCl2 precipitation and TRION-114. We then established a method for quality control of the pcDNA-CCOL2A1 vaccine. Collagen-induced arthritis (CIA) model rats were subjected to intramuscular injection of the pcDNA-CCOL2A1 vaccine (300 μg/kg) to test its biological activity. RESULTS An average yield of 11.81 ± 1.03 mg purified supercoiled plasmid was obtained from 1 L of fermentation broth at 670.6 ± 57.42 mg/L, which was significantly higher than that obtained using anion exchange column chromatography and a commercial purification kit. Our supercoiled plasmid had high purity, biological activity, and yield, conforming to the international guidelines for DNA vaccines. CONCLUSION The proposed innovative downstream process for the pcDNA-CCOL2A1 vaccine can not only provide a large-scale high-quality supercoiled plasmid DNA for preclinical research but also facilitate further pilot-scale and even industrial-scale production of pcDNA-CCOL2A1 vaccine.
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Affiliation(s)
- Juan Long
- National Key Laboratory of Blood Science, Senior Department of Hematology, Fifth Medical Center of Chinese PLA General Hospital, No. 8, Dongda Ave, Fengtai District, Beijing, 100071, China
| | - Xiao Zhao
- National Key Laboratory of Blood Science, Senior Department of Hematology, Fifth Medical Center of Chinese PLA General Hospital, No. 8, Dongda Ave, Fengtai District, Beijing, 100071, China
| | - Fei Liang
- National Key Laboratory of Blood Science, Senior Department of Hematology, Fifth Medical Center of Chinese PLA General Hospital, No. 8, Dongda Ave, Fengtai District, Beijing, 100071, China
| | - Yang Zeng
- National Key Laboratory of Blood Science, Senior Department of Hematology, Fifth Medical Center of Chinese PLA General Hospital, No. 8, Dongda Ave, Fengtai District, Beijing, 100071, China
| | - Nan Liu
- National Key Laboratory of Blood Science, Senior Department of Hematology, Fifth Medical Center of Chinese PLA General Hospital, No. 8, Dongda Ave, Fengtai District, Beijing, 100071, China
| | - Yuying Sun
- National Key Laboratory of Blood Science, Senior Department of Hematology, Fifth Medical Center of Chinese PLA General Hospital, No. 8, Dongda Ave, Fengtai District, Beijing, 100071, China.
| | - Yongzhi Xi
- National Key Laboratory of Blood Science, Senior Department of Hematology, Fifth Medical Center of Chinese PLA General Hospital, No. 8, Dongda Ave, Fengtai District, Beijing, 100071, China.
- Forregen (Beijing) Bioscience-Technology Development Centre Co., Ltd, Qingquan Villa Yili of Beijing Fragrant Hill, Haidian District, Beijing, 100093, China.
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Ji N, Wu CG, Wang XD, Song ZX, Wu PY, Liu X, Feng X, Zhang XM, Wang XF, Lv ZJ. Anti-aging Effects of Alu Antisense RNA on Human Fibroblast Senescence Through the MEK-ERK Pathway Mediated by KIF15. Curr Med Sci 2023; 43:35-47. [PMID: 36808398 PMCID: PMC9939868 DOI: 10.1007/s11596-022-2688-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2022] [Accepted: 10/18/2022] [Indexed: 02/23/2023]
Abstract
OBJECTIVE To investigate whether human short interspersed nuclear element antisense RNA (Alu antisense RNA; Alu asRNA) could delay human fibroblast senescence and explore the underlying mechanisms. METHODS We transfected Alu asRNA into senescent human fibroblasts and used cell counting kit-8 (CCK-8), reactive oxygen species (ROS), and senescence-associated beta-galactosidase (SA-β-gal) staining methods to analyze the anti-aging effects of Alu asRNA on the fibroblasts. We also used an RNA-sequencing (RNA-seq) method to investigate the Alu asRNA-specific mechanisms of anti-aging. We examined the effects of KIF15 on the anti-aging role induced by Alu asRNA. We also investigated the mechanisms underlying a KIF15-induced proliferation of senescent human fibroblasts. RESULTS The CCK-8, ROS and SA-β-gal results showed that Alu asRNA could delay fibroblast aging. RNA-seq showed 183 differentially expressed genes (DEGs) in Alu asRNA transfected fibroblasts compared with fibroblasts transfected with the calcium phosphate transfection (CPT) reagent. The KEGG analysis showed that the cell cycle pathway was significantly enriched in the DEGs in fibroblasts transfected with Alu asRNA compared with fibroblasts transfected with the CPT reagent. Notably, Alu asRNA promoted the KIF15 expression and activated the MEK-ERK signaling pathway. CONCLUSION Our results suggest that Alu asRNA could promote senescent fibroblast proliferation via activation of the KIF15-mediated MEK-ERK signaling pathway.
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Affiliation(s)
- Ning Ji
- Department of Genetics, Hebei Medical University, Hebei Key Lab of Laboratory Animal, Shijiazhuang, 050017 China
| | - Chong-guang Wu
- Department of Genetics, Hebei Medical University, Hebei Key Lab of Laboratory Animal, Shijiazhuang, 050017 China
| | - Xiao-die Wang
- Department of Genetics, Hebei Medical University, Hebei Key Lab of Laboratory Animal, Shijiazhuang, 050017 China
| | - Zhi-xue Song
- Department of Genetics, Hebei Medical University, Hebei Key Lab of Laboratory Animal, Shijiazhuang, 050017 China
| | - Pei-yuan Wu
- Department of Genetics, Hebei Medical University, Hebei Key Lab of Laboratory Animal, Shijiazhuang, 050017 China
| | - Xin Liu
- Department of Genetics, Hebei Medical University, Hebei Key Lab of Laboratory Animal, Shijiazhuang, 050017 China
| | - Xu Feng
- Department of Genetics, Hebei Medical University, Hebei Key Lab of Laboratory Animal, Shijiazhuang, 050017 China
| | - Xiang-mei Zhang
- Research Center, Fourth Hospital of Hebei Medical University, Shijiazhuang, 050011 China
| | - Xiu-fang Wang
- Department of Genetics, Hebei Medical University, Hebei Key Lab of Laboratory Animal, Shijiazhuang, 050017 China
| | - Zhan-jun Lv
- Department of Genetics, Hebei Medical University, Hebei Key Lab of Laboratory Animal, Shijiazhuang, 050017 China
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Song Z, Shah S, Lv B, Ji N, Liu X, Yan L, Khan M, Zhao Y, Wu P, Liu S, Zheng L, Su L, Wang X, Lv Z. Anti-aging and anti-oxidant activities of murine short interspersed nuclear element antisense RNA. Eur J Pharmacol 2021; 912:174577. [PMID: 34688636 DOI: 10.1016/j.ejphar.2021.174577] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Revised: 10/07/2021] [Accepted: 10/18/2021] [Indexed: 12/09/2022]
Abstract
Short interspersed nuclear elements (SINEs) play a key role in regulating gene expression, and SINE RNAs are involved in age-related diseases. We investigated the anti-aging effects of a genetically engineered murine SINE B1 antisense RNA (B1as RNA) and explored its mechanism of action in naturally senescent BALB/c (≥14 months) and moderately senscent C57BL/6N (≥9 months) mice. After tail vein injection, B1as RNA was available in the blood of mice for approximately 30 min, persisted for approximately 2-4 h in most detected tissues and persisted approximately 48 h in lungs. We found that treatment with B1as RNA improved stamina and promoted hair re-growth in aged mice. Treatment with B1as RNA also partially rescued the increase in mitochondrial DNA copy number in liver and spleen tissues observed in aged and moderately senescent mice. Finally, treatment with B1as RNA increased the activities of superoxide dismutase and glutathione peroxidase in aged and moderately senescent mice, reduced these animals' malondialdehyde and reactive oxygen species levels, and modulated the expression of several aging-associated genes, including Sirtuin 1, p21, p16Ink4a, p15Ink4b and p19Arf, and anti-oxidant genes (Sesn1 and Sesn 2). These data suggest that B1as RNA inhibits the aging process by enhancing antioxidant activity, promoting the scavenging of free radicals, and modulating the expression of aging-associated genes. This is the first report describing the anti-aging activity of SINE antisense RNA, which may serve as an effective nucleic acid drug for the treatment of age-related diseases.
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Affiliation(s)
- Zhixue Song
- Department of Genetics, Hebei Medical University, Hebei Key Lab of Laboratory Animal, Shijiazhuang, 050017, Hebei Province, PR China.
| | - Suleman Shah
- Department of Genetics, Hebei Medical University, Hebei Key Lab of Laboratory Animal, Shijiazhuang, 050017, Hebei Province, PR China.
| | - Baixue Lv
- Department of Ultrasound, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, Hubei Province, PR China; Hubei Province Key Laboratory of Molecular Imaging, Wuhan, 430022, Hubei Province, PR China.
| | - Ning Ji
- Department of Genetics, Hebei Medical University, Hebei Key Lab of Laboratory Animal, Shijiazhuang, 050017, Hebei Province, PR China.
| | - Xin Liu
- Department of Genetics, Hebei Medical University, Hebei Key Lab of Laboratory Animal, Shijiazhuang, 050017, Hebei Province, PR China.
| | - Lifang Yan
- Department of Genetics, Hebei Medical University, Hebei Key Lab of Laboratory Animal, Shijiazhuang, 050017, Hebei Province, PR China.
| | - Murad Khan
- Department of Genetics, Hebei Medical University, Hebei Key Lab of Laboratory Animal, Shijiazhuang, 050017, Hebei Province, PR China.
| | - Yufang Zhao
- Department of Genetics, Hebei Medical University, Hebei Key Lab of Laboratory Animal, Shijiazhuang, 050017, Hebei Province, PR China.
| | - Peiyuan Wu
- Department of Genetics, Hebei Medical University, Hebei Key Lab of Laboratory Animal, Shijiazhuang, 050017, Hebei Province, PR China.
| | - Shufeng Liu
- Department of Genetics, Hebei Medical University, Hebei Key Lab of Laboratory Animal, Shijiazhuang, 050017, Hebei Province, PR China.
| | - Long Zheng
- Department of Genetics, Hebei Medical University, Hebei Key Lab of Laboratory Animal, Shijiazhuang, 050017, Hebei Province, PR China.
| | - Libo Su
- Department of Genetics, Hebei Medical University, Hebei Key Lab of Laboratory Animal, Shijiazhuang, 050017, Hebei Province, PR China.
| | - Xiufang Wang
- Department of Genetics, Hebei Medical University, Hebei Key Lab of Laboratory Animal, Shijiazhuang, 050017, Hebei Province, PR China.
| | - Zhanjun Lv
- Department of Genetics, Hebei Medical University, Hebei Key Lab of Laboratory Animal, Shijiazhuang, 050017, Hebei Province, PR China.
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