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Scaletti ER, Unterlass JE, Almlöf I, Koolmeister T, Vallin KS, Kapsitidou D, Tsuber V, Helleday T, Stenmark P, Jemth AS. Kinetic and structural characterization of NUDT15 and NUDT18 as catalysts of isoprene pyrophosphate hydrolysis. FEBS J 2024; 291:4301-4322. [PMID: 38944687 DOI: 10.1111/febs.17202] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2024] [Revised: 04/19/2024] [Accepted: 06/06/2024] [Indexed: 07/01/2024]
Abstract
Isoprene pyrophosphates play a crucial role in the synthesis of a diverse array of essential nonsterol and sterol biomolecules and serve as substrates for posttranslational isoprenylation of proteins, enabling specific anchoring to cellular membranes. Hydrolysis of isoprene pyrophosphates would be a means to modulate their levels, downstream products, and protein isoprenylation. While NUDIX hydrolases from plants have been described to catalyze the hydrolysis of isoprene pyrophosphates, homologous enzymes with this function in animals have not yet been reported. In this study, we screened an extensive panel of human NUDIX hydrolases for activity in hydrolyzing isoprene pyrophosphates. We found that human nucleotide triphosphate diphosphatase NUDT15 and 8-oxo-dGDP phosphatase NUDT18 efficiently catalyze the hydrolysis of several physiologically relevant isoprene pyrophosphates. Notably, we demonstrate that geranyl pyrophosphate is an excellent substrate for NUDT18, with a catalytic efficiency of 2.1 × 105 m-1·s-1, thus making it the best substrate identified for NUDT18 to date. Similarly, geranyl pyrophosphate proved to be the best isoprene pyrophosphate substrate for NUDT15, with a catalytic efficiency of 4.0 × 104 M-1·s-1. LC-MS analysis of NUDT15 and NUDT18 catalyzed isoprene pyrophosphate hydrolysis revealed the generation of the corresponding monophosphates and inorganic phosphate. Furthermore, we solved the crystal structure of NUDT15 in complex with the hydrolysis product geranyl phosphate at a resolution of 1.70 Å. This structure revealed that the active site nicely accommodates the hydrophobic isoprenoid moiety and helped identify key binding residues. Our findings imply that isoprene pyrophosphates are endogenous substrates of NUDT15 and NUDT18, suggesting they are involved in animal isoprene pyrophosphate metabolism.
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Affiliation(s)
- Emma R Scaletti
- Department of Biochemistry and Biophysics, Stockholm University, Sweden
| | - Judith E Unterlass
- Department of Oncology-Pathology, Science for Life Laboratory, Karolinska Institutet, Stockholm, 171 77, Sweden
| | - Ingrid Almlöf
- Department of Oncology-Pathology, Science for Life Laboratory, Karolinska Institutet, Stockholm, 171 77, Sweden
| | - Tobias Koolmeister
- Department of Oncology-Pathology, Science for Life Laboratory, Karolinska Institutet, Stockholm, 171 77, Sweden
| | - Karl S Vallin
- Department of Oncology-Pathology, Science for Life Laboratory, Karolinska Institutet, Stockholm, 171 77, Sweden
| | - Despina Kapsitidou
- Department of Oncology-Pathology, Science for Life Laboratory, Karolinska Institutet, Stockholm, 171 77, Sweden
| | - Viktoriia Tsuber
- Department of Oncology-Pathology, Science for Life Laboratory, Karolinska Institutet, Stockholm, 171 77, Sweden
| | - Thomas Helleday
- Department of Oncology-Pathology, Science for Life Laboratory, Karolinska Institutet, Stockholm, 171 77, Sweden
| | - Pål Stenmark
- Department of Biochemistry and Biophysics, Stockholm University, Sweden
| | - Ann-Sofie Jemth
- Department of Oncology-Pathology, Science for Life Laboratory, Karolinska Institutet, Stockholm, 171 77, Sweden
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2
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Wang W, Li X. Cognitive function in dyslipidemia patients: exploring the impact of statins. Front Neurol 2024; 15:1436010. [PMID: 39350969 PMCID: PMC11439768 DOI: 10.3389/fneur.2024.1436010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2024] [Accepted: 09/03/2024] [Indexed: 10/04/2024] Open
Abstract
Background Evidence regarding the relationship between the use of statins and cognitive outcomes presents varying findings. This study aims to analyze the relationship between sustained statin use and cognitive performance in dyslipidemia patients. Methods This study presents findings from the Beijing Ageing Brain Rejuvenation Initiative (BABRI) study, in which a cohort of community-dwelling dyslipidemia patients (Entire sample, N = 1,062, aged 50-86) was recruited. Participants were divided into two groups based on their sustained use statins (Statins group, N = 677) or not use any lipid-lowering agents (Untreated group, N = 385). Furthermore, the entire sample was stratified by age into the middle-aged sample (N = 451) and the older people sample (N = 611), following a similar categorization based on statin application. ANCOVA was used to evaluate the relationship between sustained statin use and cognitive function. Results Overall, in the total sample, the statins group demonstrated better cognition in overall cognition, memory, visuospatial ability, attention, executive function, and language domains compared to the untreated group. Moreover, the statins group only showed better performance in attention among the middle-aged sample. In the older people sample, statins group exhibited superior cognitive performance across various cognitive domains compared to untreated group. Conclusion Among dyslipidemia patients in Beijing community, sustained statin users exhibited superior cognitive function across all domains compared to untreated individuals, with particularly noticeable improvements among those aged 65 and above. These findings underscore the protective effect of statins on cognitive function in dyslipidemia patients, highlighting significant benefits for the older people population.
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Affiliation(s)
- Wenxiao Wang
- State Key Laboratory of Cognitive Neuroscience and Learning, Beijing Normal University, Beijing, China
- School of System Science, Beijing Normal University, Beijing, China
| | - Xin Li
- State Key Laboratory of Cognitive Neuroscience and Learning, Beijing Normal University, Beijing, China
- BABRI Centre, Beijing Normal University, Beijing, China
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3
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Kuzmanov A, Salemi S, Eberli D, Kranzbühler B. Regulation of prostate-specific membrane antigen (PSMA) expression in prostate cancer cells after treatment with dutasteride and lovastatin. Neoplasia 2024; 57:101045. [PMID: 39236400 PMCID: PMC11405815 DOI: 10.1016/j.neo.2024.101045] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2024] [Revised: 07/31/2024] [Accepted: 08/26/2024] [Indexed: 09/07/2024]
Abstract
PSMA expression gradually increases from benign prostatic hyperplasia to adenocarcinoma of the prostate and is therefore used for the development of improved diagnostic (PSMA)-based prostate cancer imaging tools. Pharmacological induction of PSMA is therefore eminent to further improve the detection rate of PSMA-based imaging. Our previous studies have demonstrated that lovastatin (Lova) and dutasteride (Duta) are able to induce PSMA expression. However, the mechanisms by which PSMA is regulated in prostate cancer remain poorly understood. Androgen receptor (AR) and homeobox B13 (HOXB13) are the best known regulators of PSMA, hence in the present study we aimed to explore the PSMA regulation by HOXB13 and AR signaling in LNCaP and VCaP cells following treatments with Lova and Duta. Furthermore, our previous research revealed a growth arrest in prostate cancer cells after Lova, but not after Duta treatment. To understand this discrepancy, we explored the influence of Lova and Duta on well known tumor growth promoters, such as AR, the mTOR/Akt signaling pathways and Cyclin D1. Our results showed that treatment with Lova leads to a significant inhibition of the investigated tumor promoters and results in growth regression of LNCaP and VCaP cells. In contrast, Duta does not show these effects. Furthermore, we confirm the cooperative effect of HOXB13 and AR in regulating PSMA in LNCaP cells, and extend the investigations to an additional prostate cancer cell line (VCaP).
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Affiliation(s)
- Aleksandar Kuzmanov
- Department of Urology, University Hospital Zürich, University of Zurich, Laboratory for Urologic Oncology and Stem Cell Therapy, Zurich, Switzerland
| | - Souzan Salemi
- Department of Urology, University Hospital Zürich, University of Zurich, Laboratory for Urologic Oncology and Stem Cell Therapy, Zurich, Switzerland
| | - Daniel Eberli
- Department of Urology, University Hospital Zürich, University of Zurich, Laboratory for Urologic Oncology and Stem Cell Therapy, Zurich, Switzerland
| | - Benedikt Kranzbühler
- Department of Urology, University Hospital Zürich, University of Zurich, Laboratory for Urologic Oncology and Stem Cell Therapy, Zurich, Switzerland.
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Chen Q, Lyu L, Xue H, Shah AM, Zhao ZK. Engineering a non-model yeast Rhodotorula mucilaginosa for terpenoids synthesis. Synth Syst Biotechnol 2024; 9:569-576. [PMID: 38690180 PMCID: PMC11058065 DOI: 10.1016/j.synbio.2024.04.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Revised: 04/21/2024] [Accepted: 04/22/2024] [Indexed: 05/02/2024] Open
Abstract
Terpenoids have tremendous biological activities and are widely employed in food, healthcare and pharmaceutical industries. Using synthetic biology to product terpenoids from microbial cell factories presents a promising alternative route compared to conventional methods such as chemical synthesis or phytoextraction. The red yeast Rhodotorula mucilaginosa has been widely studied due to its natural production capacity of carotenoid and lipids, indicating a strong endogenous isoprene pathway with readily available metabolic intermediates. This study constructed several engineered strains of R. mucilaginosa with the aim of producing different terpenoids. Monoterpene α-terpineol was produced by expressing the α-terpineol synthase from Vitis vinifera. The titer of α-terpineol was further enhanced to 0.39 mg/L by overexpressing the endogenous rate-limiting gene of the MVA pathway. Overexpression of α-farnesene synthase from Malus domestica, in combination with MVA pathway rate-limiting gene resulted in significant increase in α-farnesene production, reaching a titer of 822 mg/L. The carotenoid degradation product β-ionone was produced at a titer of 0.87 mg/L by expressing the β-ionone synthase from Petunia hybrida. This study demonstrates the potential of R. mucilaginosa as a platform host for the direct biosynthesis of various terpenoids and provides insights for further development of such platforms.
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Affiliation(s)
- Qiongqiong Chen
- Laboratory of Biotechnology, Dalian Institute of Chemical Physics, CAS, 457 Zhongshan Road, Dalian, 116023, China
- University of Chinese Academy of Sciences, 19 Yuquan Road, Beijing, 100049, China
| | - Liting Lyu
- Laboratory of Biotechnology, Dalian Institute of Chemical Physics, CAS, 457 Zhongshan Road, Dalian, 116023, China
- MOE Key Laboratory of Bio-Intelligent Manufacturing, School of Bioengineering, Dalian University of Technology, Dalian, 116024, China
| | - Haizhao Xue
- Laboratory of Biotechnology, Dalian Institute of Chemical Physics, CAS, 457 Zhongshan Road, Dalian, 116023, China
- University of Chinese Academy of Sciences, 19 Yuquan Road, Beijing, 100049, China
| | - Aabid Manzoor Shah
- Laboratory of Biotechnology, Dalian Institute of Chemical Physics, CAS, 457 Zhongshan Road, Dalian, 116023, China
| | - Zongbao Kent Zhao
- Laboratory of Biotechnology, Dalian Institute of Chemical Physics, CAS, 457 Zhongshan Road, Dalian, 116023, China
- MOE Key Laboratory of Bio-Intelligent Manufacturing, School of Bioengineering, Dalian University of Technology, Dalian, 116024, China
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5
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Li J, Gao J, Ye M, Cai P, Yu W, Zhai X, Zhou YJ. Engineering yeast for high-level production of β-farnesene from sole methanol. Metab Eng 2024; 85:194-200. [PMID: 39181436 DOI: 10.1016/j.ymben.2024.08.006] [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: 06/04/2024] [Revised: 08/14/2024] [Accepted: 08/21/2024] [Indexed: 08/27/2024]
Abstract
Methanol, a rich one-carbon feedstock, can be massively produced from CO2 by the liquid sunshine route, which is helpful to realize carbon neutrality. β-Farnesene is widely used in the production of polymers, surfactants, lubricants, and also serves as a suitable substitute for jet fuel. Constructing an efficient cell factory is a feasible approach for β-farnesene production through methanol biotransformation. Here, we extensively engineered the methylotrophic yeast Ogataea polymorpha for the efficient bio-production of β-farnesene using methanol as the sole carbon source. Our study demonstrated that sufficient supply of precursor acetyl-CoA and cofactor NADPH in an excellent yeast chassis had a 1.3-fold higher β-farnesene production than that of wild-type background strain. Further optimization of the mevalonate pathway and enhancement of acetyl-CoA supply led to a 7-fold increase in β-farnesene accumulation, achieving the highest reported sesquiterpenoids production (14.7 g/L with a yield of 46 mg/g methanol) from one-carbon feedstock under fed-batch fermentation in bioreactor. This study demonstrates the great potential of engineering O. polymorpha for high-level terpenoid production from methanol.
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Affiliation(s)
- Jingjing Li
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China
| | - Jiaoqi Gao
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China; CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China; Dalian Key Laboratory of Energy Biotechnology, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China
| | - Min Ye
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China
| | - Peng Cai
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China
| | - Wei Yu
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China
| | - Xiaoxin Zhai
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China
| | - Yongjin J Zhou
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China; CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China; Dalian Key Laboratory of Energy Biotechnology, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China.
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Lee S, Park NI, Park Y, Heo K, Kwon Y, Kim ES, Son YK, Lee KJ, Choi SY, Choi BS, Kim NS, Choi IY. Contents of paeoniflorin and albiflorin in two Korean landraces of Paeonia lactiflora and characterization of paeoniflorin biosynthesis genes in peony. Genes Genomics 2024; 46:1107-1122. [PMID: 39126602 DOI: 10.1007/s13258-024-01553-3] [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: 05/31/2024] [Accepted: 07/25/2024] [Indexed: 08/12/2024]
Abstract
BACKGROUND AND RESEARCH PURPOSE Paeoniflorin and albiflorin are monoterpene glycosides that exhibit various medicinal properties in Paeonia species. This study explored the terpene biosynthesis pathway and analyzed the distribution of these compounds in different tissues of two Korean landraces of Paeonia lactiflora to gain insights into the biosynthesis of monoterpene glycosides in P. lactiflora and their potential applications. MATERIALS AND METHODS Two Korean landraces, Hongcheon var. and Hwacheon var, of P. lactiflora were used for the analyses. Contents of the paeoniflorin and albiflorin were analyzed using HPLC. RNA was extracted, sequenced, and subjected to transcriptome analysis. Differential gene expression, KEGG, and GO analyses were performed. Paeoniflorin biosynthesis genes were isolated from the transcriptomes using the genes in Euphorbia maculata with the NBLAST program. Phylogenetic analysis of of 1-Deoxy-D-xylulose 5-phosphate synthase (DOXPS), geranyl pyrophosphate synthase (GPPS), and pinene synthase (PS) was carried out with ClustalW and MEGA v5.0. RESULTS AND DISCUSSION Analysis of paeoniflorin and albiflorin content in different tissues of the two P. lactiflora landraces revealed significant variation. Transcriptome analysis yielded 36,602 unigenes, most of which were involved in metabolic processes. The DEG analysis revealed tissue-specific expression patterns with correlations between landraces. The isolation of biosynthetic genes identified 173 candidates. Phylogenetic analysis of the key enzymes in these pathways provides insights into their evolutionary relationships. The sequencing and analysis of DOXPS, GPPS, PS revealed distinct clades and subclades, highlighting their evolutionary divergence and functional conservation. Our findings highlight the roots as the primary sites of paeoniflorin and albiflorin accumulation in P. lactiflora, underscoring the importance of tissue-specific gene expression in their biosynthesis. CONCLUSION this study advances our understanding of monoterpene glycoside production and distribution in Paeonia, thereby guiding further plant biochemistry investigations.
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Affiliation(s)
- Seungki Lee
- Biological Resources Assessment Division, National Institute of Biological Resources, Incheon, 22689, Republic of Korea
| | - Nam-Il Park
- Department of Plant Science, Gangneung-Wonju National University, Gangneung, 25457, Korea
| | - Yeri Park
- Department of Plant Science, Gangneung-Wonju National University, Gangneung, 25457, Korea
| | - Kweon Heo
- Department of Plant Resources and Applied Science, Kangwon National University, Chuncheon, 24341, Korea
| | - Yongsoo Kwon
- Department of Pharmacy, Kangwon National University, Chucheon, 24341, Korea
| | - Eun Sil Kim
- Biological Resources Assessment Division, National Institute of Biological Resources, Incheon, 22689, Republic of Korea
| | - Youn Kyoung Son
- Biological Resources Assessment Division, National Institute of Biological Resources, Incheon, 22689, Republic of Korea
| | - Kyung Jin Lee
- Biological Resources Assessment Division, National Institute of Biological Resources, Incheon, 22689, Republic of Korea
| | | | | | - Nam-Soo Kim
- Department of Smart Farm and Agricultural Industry, Kangwon National University, Chuncheon, 24341, Korea.
| | - Ik-Young Choi
- Department of Smart Farm and Agricultural Industry, Kangwon National University, Chuncheon, 24341, Korea.
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Ding Y, Chen QB, Xu H, Adi D, Ding YW, Luo WJ, Zhu WZ, Xu JC, Zhao X, Shi XJ, Luo J, Yin H, Lu XY. siRNA nanoparticle targeting Usp20 lowers lipid levels and ameliorates metabolic syndrome in mice. J Lipid Res 2024; 65:100626. [PMID: 39173829 PMCID: PMC11418111 DOI: 10.1016/j.jlr.2024.100626] [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: 06/30/2023] [Revised: 08/07/2024] [Accepted: 08/12/2024] [Indexed: 08/24/2024] Open
Abstract
Atherosclerotic cardiovascular disease is closely correlated with elevated low density lipoprotein-cholesterol. In feeding state, glucose and insulin activate mammalian target of rapamycin 1 that phosphorylates the deubiquitylase ubiquitin-specific peptidase 20 (USP20). USP20 then stabilizes HMG-CoA reductase, thereby increasing lipid biosynthesis. In this study, we applied clinically approved lipid nanoparticles to encapsulate the siRNA targeting Usp20. We demonstrated that silencing of hepatic Usp20 by siRNA decreased body weight, improved insulin sensitivity, and increased energy expenditure through elevating UCP1. In Ldlr-/- mice, silencing Usp20 by siRNA decreased lipid levels and prevented atherosclerosis. This study suggests that the RNAi-based therapy targeting hepatic Usp20 has a translational potential to treat metabolic disease.
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Affiliation(s)
- Yi Ding
- College of Life Sciences, Hubei Key Laboratory of Cell Homeostasis, Taikang Center for Life and Medical Sciences, Taikang Medical School, Wuhan University, Wuhan, China
| | - Qiu-Bing Chen
- Department of Urology, Frontier Science Center for Immunology and Metabolism Medical Research Institute, Zhongnan Hospital of Wuhan University, Wuhan University, Wuhan, China
| | - Hui Xu
- College of Life Sciences, Hubei Key Laboratory of Cell Homeostasis, Taikang Center for Life and Medical Sciences, Taikang Medical School, Wuhan University, Wuhan, China
| | - Dilare Adi
- Heart Center, First Affiliated Hospital of Xinjiang Medical University, Urumqi, Xinjiang, China
| | - Yi-Wen Ding
- College of Life Sciences, Hubei Key Laboratory of Cell Homeostasis, Taikang Center for Life and Medical Sciences, Taikang Medical School, Wuhan University, Wuhan, China
| | - Wen-Jun Luo
- College of Life Sciences, Hubei Key Laboratory of Cell Homeostasis, Taikang Center for Life and Medical Sciences, Taikang Medical School, Wuhan University, Wuhan, China
| | - Wen-Zhuo Zhu
- College of Life Sciences, Hubei Key Laboratory of Cell Homeostasis, Taikang Center for Life and Medical Sciences, Taikang Medical School, Wuhan University, Wuhan, China
| | - Jia-Chen Xu
- College of Life Sciences, Hubei Key Laboratory of Cell Homeostasis, Taikang Center for Life and Medical Sciences, Taikang Medical School, Wuhan University, Wuhan, China
| | - Xiaolu Zhao
- College of Life Sciences, Hubei Key Laboratory of Cell Homeostasis, Taikang Center for Life and Medical Sciences, Taikang Medical School, Wuhan University, Wuhan, China
| | - Xiong-Jie Shi
- College of Life Sciences, Hubei Key Laboratory of Cell Homeostasis, Taikang Center for Life and Medical Sciences, Taikang Medical School, Wuhan University, Wuhan, China
| | - Jie Luo
- College of Life Sciences, Hubei Key Laboratory of Cell Homeostasis, Taikang Center for Life and Medical Sciences, Taikang Medical School, Wuhan University, Wuhan, China
| | - Hao Yin
- College of Life Sciences, Hubei Key Laboratory of Cell Homeostasis, Taikang Center for Life and Medical Sciences, Taikang Medical School, Wuhan University, Wuhan, China; Department of Urology, Frontier Science Center for Immunology and Metabolism Medical Research Institute, Zhongnan Hospital of Wuhan University, Wuhan University, Wuhan, China
| | - Xiao-Yi Lu
- College of Life Sciences, Hubei Key Laboratory of Cell Homeostasis, Taikang Center for Life and Medical Sciences, Taikang Medical School, Wuhan University, Wuhan, China.
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8
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Buccioli G, Testa C, Jacchetti E, Pinoli P, Carelli S, Ceri S, Raimondi MT. The molecular basis of the anticancer effect of statins. Sci Rep 2024; 14:20298. [PMID: 39217242 PMCID: PMC11365972 DOI: 10.1038/s41598-024-71240-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2024] [Accepted: 08/26/2024] [Indexed: 09/04/2024] Open
Abstract
Statins, widely used cardiovascular drugs that lower cholesterol by inhibiting HMG-CoA reductase, have been increasingly recognized for their potential anticancer properties. This study elucidates the underlying mechanism, revealing that statins exploit Synthetic Lethality, a principle where the co-occurrence of two non-lethal events leads to cell death. Our computational analysis of approximately 37,000 SL pairs identified statins as potential drugs targeting genes involved in SL pairs with metastatic genes. In vitro validation on various cancer cell lines confirmed the anticancer efficacy of statins. This data-driven drug repurposing strategy provides a molecular basis for the anticancer effects of statins, offering translational opportunities in oncology.
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Affiliation(s)
- Giovanni Buccioli
- Department of Chemistry, Materials and Chemical Engineering "Giulio Natta", Politecnico di Milano, Milan, Italy
| | - Carolina Testa
- Department of Chemistry, Materials and Chemical Engineering "Giulio Natta", Politecnico di Milano, Milan, Italy
| | - Emanuela Jacchetti
- Department of Chemistry, Materials and Chemical Engineering "Giulio Natta", Politecnico di Milano, Milan, Italy
| | - Pietro Pinoli
- Department of Electronics, Information and Bioengineering, Politecnico di Milano, Milan, Italy
| | - Stephana Carelli
- Center of Functional Genomics and Rare Diseases, Buzzi Children's Hospital, Milan, Italy
| | - Stefano Ceri
- Department of Electronics, Information and Bioengineering, Politecnico di Milano, Milan, Italy.
| | - Manuela T Raimondi
- Department of Chemistry, Materials and Chemical Engineering "Giulio Natta", Politecnico di Milano, Milan, Italy.
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9
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Glass K, Fines C, Coulter P, Jena L, McCarthy HO, Buckley N. Development and Characterization of a Peptide-Bisphosphonate Nanoparticle for the Treatment of Breast Cancer. Mol Pharm 2024. [PMID: 39196792 DOI: 10.1021/acs.molpharmaceut.4c00299] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/30/2024]
Abstract
In women, breast cancer (BC) is the most common cancer, and despite advancements in diagnosis and treatment, 20-30% of early stage BC patients develop metastatic disease. Metastatic BC is deemed an incurable disease, which accounts for 90% of BC related deaths, with only 26% of metastatic patients reaching a 5 year survival rate. Therefore, there is an unmet need for the prevention or treatment of metastasis in early stage breast cancer patients. Bisphosphonates (BPs) are potent inhibitors of bone resorption and are extensively used for the prevention of osteoporosis and other skeletal disorders, as well as for the treatment of secondary bone cancer in BC patients. Furthermore, the direct anticancer activity of BPs has been established in primary tumor models. However, these studies were limited by the need for dosages far above the clinical range to overcome BPs' high affinity for bones and poor accumulation in the tumor itself, which leads to toxicity, including osteonecrosis of the jaw. To decrease BP dosage, increase bioavailability, and direct anticancer activity, we used the RALA (R-) peptide delivery system to form highly stable NPs with the nitrogen containing BP, risedronate (R-RIS). In vitro studies showed that, in comparison to RIS, R-RIS nanoparticles increased cytotoxicity and reduced metastatic features such as proliferation, migration, invasion, and adhesion of metastatic BC cells to bones. Furthermore, in an in vivo model, R-RIS had increased tumor accumulation while still maintaining similar bone accumulation to RIS alone. This increase in tumor accumulation corresponded with decreased tumor volume and lungs metastasis. R-RIS has great potential to be used in combination with standard of care chemotherapy for the treatment of primary BC and its metastasis while still having its bone resorption inhibiting properties.
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Affiliation(s)
- Kimberley Glass
- School of Pharmacy, Queen's University Belfast, 97 Lisburn Road, BT9 7BL Northern Ireland, U.K
| | - Cory Fines
- School of Pharmacy, Queen's University Belfast, 97 Lisburn Road, BT9 7BL Northern Ireland, U.K
| | - Paula Coulter
- School of Pharmacy, Queen's University Belfast, 97 Lisburn Road, BT9 7BL Northern Ireland, U.K
| | - Lynn Jena
- School of Pharmacy, Queen's University Belfast, 97 Lisburn Road, BT9 7BL Northern Ireland, U.K
| | - Helen O McCarthy
- School of Pharmacy, Queen's University Belfast, 97 Lisburn Road, BT9 7BL Northern Ireland, U.K
| | - Niamh Buckley
- School of Pharmacy, Queen's University Belfast, 97 Lisburn Road, BT9 7BL Northern Ireland, U.K
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10
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Wei L. Pan-cancer analysis reveals GGPS1 plays an important role in tumorigenesis in multiple tumor types. Heliyon 2024; 10:e35265. [PMID: 39165977 PMCID: PMC11333911 DOI: 10.1016/j.heliyon.2024.e35265] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2024] [Revised: 07/24/2024] [Accepted: 07/25/2024] [Indexed: 08/22/2024] Open
Abstract
The deletion of geranylgeranyl diphosphate synthase 1 (GGPS1) has been reported to inhibit the proliferation of multiple cells. Although emerging evidence has demonstrated a correlation between GGPS1 and cancer, no pan-cancer analysis has been conducted to date. This study explored the potential tumorigenesis of GGPS1 using data from the cancer genome atlas human clinical database. GGPS1 expression was considerably upregulated at both the RNA and protein levels in several cancer types, especially in breast carcinoma (BRCA), (liver) hepatocellular carcinoma (LIHC/HCC) and lung adenocarcinoma (LUAD). Amplification is the most common form of genetic alteration observed in invasive BRCA, ovarian epithelial tumor and HCC. Additionally, elevated GGPS1 expression was markedly related to poor patient prognosis and overall survival in several cancer types including LIHC. GGPS1 expression was also linked to cancer-associated fibroblasts (CAFs) infiltration in several cancer types, such as BRCA and LUAD. Moreover, GGPPS-interacting proteins and GGPS1-correlated genes in cancers were functionally enriched in terpenoid backbone biosynthesis, steroid biosynthesis, and metabolic pathways. These results indicate that GGPS1 may play a role in promoting the tumorigenesis and tumor development, particularly in BRCA and LUAD, and may play a role in steroid biosynthesis and metabolic pathways.
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Affiliation(s)
- Lisha Wei
- School of Marine and Biological Engineering, Yancheng Teachers University, Yancheng, Jiangsu, China
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11
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Zhu L, Su W, Xu X, Shao S, Qin C, Gao R, Wang X, Ma M, Gao J, Zhang Z. Sphincter of Oddi Dysfunction Induces Gallstone by Inhibiting the Expression of ABCB11 via PKC-α. Appl Biochem Biotechnol 2024; 196:5373-5390. [PMID: 38158489 DOI: 10.1007/s12010-023-04818-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/19/2023] [Indexed: 01/03/2024]
Abstract
The abnormal increase of Oddi sphincter pressure and total bile duct pressure may play an important role in the formation of cholesterol stones, but the specific molecular mechanism is still unclear. This study aims to investigate it through in vitro and in vivo experiments. A mouse model of Oddi sphincter dysfunction was constructed by stone-inducing diet. We compared the two groups with PKC-α inhibitor GÖ6976 and PKC-α agonist thymeleatoxin. Oddi sphincter pressure and total bile duct pressure were measured. Biochemical analysis of total cholesterol, bile acid and bilirubin was then conducted. The histopathologic changes of bile duct were observed by HE staining and the ultrastructure of liver cells and surrounding tissues was observed by transmission electron microscopy. Through the above experiments, we found that the change of PKC-α expression may affect the formation process of gallstones. The relationship between PKC-α and ABCB11 was further verified by in vitro and in vivo experiments. Our results suggest that ABCB11 and PKC-α are co-expressed in the tubule membrane of hepatocytes and interact with each other in hepatocytes. The high cholesterol diet further enhances the activation of PKC-α and thus reduces the expression of ABCB11. The formation of cholesterol stones is associated with the down-regulation of ABCB11 expression in the tubule membrane of hepatocytes due to kinase signaling. This is the first study to demonstrate that sphincter of Oddi dysfunction induces gallstones through PKC-α inhibition of ABCB11 expression.
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Affiliation(s)
- Lichao Zhu
- Department of Pediatric Surgery, Shandong Provincial Hospital, Shandong University , Jinan, 250021, China
| | - Wei Su
- Liver Gall Bladder and Pancreatic Surgery Ward, Qinghai Red Cross Hospital, Xining, 810001, China
| | - Xianwen Xu
- Department of Hepatobiliary Surgery, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, 250021, China
| | - Shuai Shao
- Department of Hepatobiliary Surgery, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, 250021, China
| | - Chuan Qin
- Department of Hepatobiliary Surgery, Shandong Provincial Hospital, Shandong University, 250021, Jinan, China
| | - Ruxin Gao
- Department of Hepatobiliary Surgery, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, 250021, China
| | - Xinxing Wang
- Department of Hepatobiliary Surgery, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, 250021, China
| | - Mingze Ma
- Departments of Infectious Diseases, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, 250021, China
| | - Junlin Gao
- Liver Gall Bladder and Pancreatic Surgery Ward, Qinghai Red Cross Hospital, Xining, 810001, China.
| | - Zhenhai Zhang
- Department of Hepatobiliary Surgery, Shandong Provincial Hospital, Shandong University, 250021, Jinan, China.
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12
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Ying Q, Fan R, Shen Y, Chen B, Zhang J, Li Q, Shi X. Small Cell Lung Cancer-An Update on Chemotherapy Resistance. Curr Treat Options Oncol 2024; 25:1112-1123. [PMID: 39066852 DOI: 10.1007/s11864-024-01245-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/03/2024] [Indexed: 07/30/2024]
Abstract
OPINION STATEMENT Compared to other types of lung cancer, small cell lung cancer (SCLC) exhibits aggressive characteristics that promote drug resistance. Despite platinum-etoposide chemotherapy combined with immunotherapy being the current standard treatment, the rapid development of drug resistance has led to unsatisfactory clinical outcomes. This review focuses on the mechanisms contributing to the chemotherapy resistance phenotype in SCLC, such as increased intra-tumoral heterogeneity, alterations in the tumor microenvironment, changes in cellular metabolism, and dysregulation of apoptotic pathways. A comprehensive understanding of these drug resistance mechanisms in SCLC is imperative for ushering in a new era in cancer research, which will promise revolutionary advancements in cancer diagnosis and treatment methodologies.
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Affiliation(s)
- Qian Ying
- Department of Respiratory Medicine, Huzhou Central Hospital, Affiliated Central Hospital Huzhou University, Huzhou, People's Republic of China
| | - Ruiyun Fan
- Department of Respiratory Medicine, Huzhou Central Hospital, Affiliated Central Hospital Huzhou University, Huzhou, People's Republic of China
- Department of Respiratory Medicine, Fifth School of Clinical Medicine of Zhejiang, Huzhou Central Hospital, Chinese Medical University, Huzhou, People's Republic of China
| | - Yili Shen
- Department of Respiratory Medicine, Huzhou Central Hospital, Affiliated Central Hospital Huzhou University, Huzhou, People's Republic of China
- Department of Respiratory Medicine, Fifth School of Clinical Medicine of Zhejiang, Huzhou Central Hospital, Chinese Medical University, Huzhou, People's Republic of China
| | - Boyi Chen
- Department of Respiratory Medicine, Affiliated Huzhou Hospital, Zhejiang University School of Medicine, Huzhou, People's Republic of China
| | - Jianhui Zhang
- Department of Respiratory Medicine, Huzhou Central Hospital, Affiliated Central Hospital Huzhou University, Huzhou, People's Republic of China
| | - Qiuhui Li
- Department of Respiratory Medicine, Huzhou Central Hospital, Affiliated Central Hospital Huzhou University, Huzhou, People's Republic of China.
- Department of Respiratory Medicine, Fifth School of Clinical Medicine of Zhejiang, Huzhou Central Hospital, Chinese Medical University, Huzhou, People's Republic of China.
| | - Xuefei Shi
- Department of Respiratory Medicine, Huzhou Central Hospital, Affiliated Central Hospital Huzhou University, Huzhou, People's Republic of China.
- Department of Respiratory Medicine, Fifth School of Clinical Medicine of Zhejiang, Huzhou Central Hospital, Chinese Medical University, Huzhou, People's Republic of China.
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13
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Salari S, Lee H, Tsantrizos YS, Park J. Inhibition of human mevalonate kinase by allosteric inhibitors of farnesyl pyrophosphate synthase. FEBS Open Bio 2024; 14:1320-1339. [PMID: 38923323 PMCID: PMC11301271 DOI: 10.1002/2211-5463.13853] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2023] [Revised: 05/07/2024] [Accepted: 06/14/2024] [Indexed: 06/28/2024] Open
Abstract
Mevalonate kinase is a key regulator of the mevalonate pathway, subject to feedback inhibition by the downstream metabolite farnesyl pyrophosphate. In this study, we validated the hypothesis that monophosphonate compounds mimicking farnesyl pyrophosphate can inhibit mevalonate kinase. Exploring compounds originally synthesized as allosteric inhibitors of farnesyl pyrophosphate synthase, we discovered mevalonate kinase inhibitors with nanomolar activity. Kinetic characterization of the two most potent inhibitors demonstrated Ki values of 3.1 and 22 nm. Structural comparison suggested features of these inhibitors likely responsible for their potency. Our findings introduce the first class of nanomolar inhibitors of human mevalonate kinase, opening avenues for future research. These compounds might prove useful as molecular tools to study mevalonate pathway regulation and evaluate mevalonate kinase as a potential therapeutic target.
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Affiliation(s)
- Saman Salari
- Department of BiochemistryMemorial University of NewfoundlandSt. John'sCanada
| | - Hiu‐Fung Lee
- Department of ChemistryMcGill UniversityMontrealCanada
| | | | - Jaeok Park
- Department of BiochemistryMemorial University of NewfoundlandSt. John'sCanada
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14
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Dos Santos DZ, Elbaz M, Branchard E, Schormann W, Brown CE, Meek AR, Njar VCO, Hamilton RJ, Reed MA, Andrews DW, Penn LZ. Sterol-like drugs potentiate statin-triggered prostate cancer cell death by inhibiting SREBP2 nuclear translocation. Biomed Pharmacother 2024; 177:116934. [PMID: 38889639 DOI: 10.1016/j.biopha.2024.116934] [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: 02/26/2024] [Revised: 06/07/2024] [Accepted: 06/09/2024] [Indexed: 06/20/2024] Open
Abstract
There is an urgent need to provide immediate and effective options for the treatment of prostate cancer (PCa) to prevent progression to lethal castration-resistant PCa (CRPC). The mevalonate (MVA) pathway is dysregulated in PCa, and statin drugs commonly prescribed for hypercholesterolemia, effectively target this pathway. Statins exhibit anti-PCa activity, however the resulting intracellular depletion of cholesterol triggers a feedback loop that restores MVA pathway activity, thus diminishing statin efficacy and contributing to resistance. To identify drugs that block this feedback response and enhance the pro-apoptotic activity of statins, we performed a high-content image-based screen of a 1508 drug library, enriched for FDA-approved compounds. Two of the validated hits, Galeterone (GAL) and Quinestrol, share the cholesterol-related tetracyclic structure, which is also evident in the FDA-approved CRPC drug Abiraterone (ABI). Molecular modeling revealed that GAL, Quinestrol and ABI not only share structural similarity with 25-hydroxy-cholesterol (25HC) but were also predicted to bind similarly to a known protein-binding site of 25HC. This suggested GAL, Quinestrol and ABI are sterol-mimetics and thereby inhibit the statin-induced feedback response. Cell-based assays demonstrated that these agents inhibit nuclear translocation of sterol-regulatory element binding protein 2 (SREBP2) and the transcription of MVA genes. Sensitivity was independent of androgen status and the Fluva-GAL combination significantly impeded CRPC tumor xenograft growth. By identifying cholesterol-mimetic drugs that inhibit SREBP2 activation upon statin treatment, we provide a potent "one-two punch" against CRPC progression and pave the way for innovative therapeutic strategies to combat additional diseases whose etiology is associated with SREBP2 dysregulation.
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Affiliation(s)
| | - Mohamad Elbaz
- Princess Margaret Cancer Centre, University Health Network, 101 College Street, Toronto, ON M5G 1L7, Canada; Department of Pharmacology and Toxicology, Faculty of Pharmacy, Helwan University, Ain Helwan, Helwan, Cairo, Egypt
| | - Emily Branchard
- Princess Margaret Cancer Centre, University Health Network, 101 College Street, Toronto, ON M5G 1L7, Canada
| | - Wiebke Schormann
- Biological Sciences, Sunnybrook Research Institute, Toronto, ON M4N 3M5, Canada
| | - Carla E Brown
- Krembil Research Institute, 60 Leonard Ave, Toronto, ON M5T 0S8, Canada
| | - Autumn R Meek
- Krembil Research Institute, 60 Leonard Ave, Toronto, ON M5T 0S8, Canada
| | - Vincent C O Njar
- Department of Pharmacology, University of Maryland School of Medicine, 685 West Baltimore Street, Baltimore, MD 21201, USA; The Center for Biomolecular Therapeutics, University of Maryland School of Medicine, 685 West Baltimore Street, Baltimore, MD 21201, USA; Marlene and Stewart Greenebaum Comprehensive Cancer Center, University of Maryland School of Medicine, 685 West Baltimore Street, Baltimore, MD 21201, USA
| | - Robert J Hamilton
- Department of Surgical Oncology, Princess Margaret Cancer Centre, Toronto, Ontario, Canada
| | - Mark A Reed
- Krembil Research Institute, 60 Leonard Ave, Toronto, ON M5T 0S8, Canada; Department of Pharmacology and Toxicology, Medical Sciences Building,1 King's College Circle, University of Toronto, M5S 1A8, Canada; Department of Chemistry, Lash Miller Building, 80 St. George Street, University of Toronto, Ontario M5S 3H6, Canada
| | - David W Andrews
- Biological Sciences, Sunnybrook Research Institute, Toronto, ON M4N 3M5, Canada; Department of Biochemistry, University of Toronto, 27 King's College Cir, Toronto, ON M5S 1A1, Canada; Department of Medical Biophysics, University of Toronto, 101 College Street, Toronto, ON M5G 1L7, Canada
| | - Linda Z Penn
- Princess Margaret Cancer Centre, University Health Network, 101 College Street, Toronto, ON M5G 1L7, Canada; Department of Medical Biophysics, University of Toronto, 101 College Street, Toronto, ON M5G 1L7, Canada.
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15
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Chen Y, Anderson MT, Payne N, Santori FR, Ivanova NB. Nuclear Receptors and the Hidden Language of the Metabolome. Cells 2024; 13:1284. [PMID: 39120315 PMCID: PMC11311682 DOI: 10.3390/cells13151284] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2024] [Revised: 07/16/2024] [Accepted: 07/22/2024] [Indexed: 08/10/2024] Open
Abstract
Nuclear hormone receptors (NHRs) are a family of ligand-regulated transcription factors that control key aspects of development and physiology. The regulation of NHRs by ligands derived from metabolism or diet makes them excellent pharmacological targets, and the mechanistic understanding of how NHRs interact with their ligands to regulate downstream gene networks, along with the identification of ligands for orphan NHRs, could enable innovative approaches for cellular engineering, disease modeling and regenerative medicine. We review recent discoveries in the identification of physiologic ligands for NHRs. We propose new models of ligand-receptor co-evolution, the emergence of hormonal function and models of regulation of NHR specificity and activity via one-ligand and two-ligand models as well as feedback loops. Lastly, we discuss limitations on the processes for the identification of physiologic NHR ligands and emerging new methodologies that could be used to identify the natural ligands for the remaining 17 orphan NHRs in the human genome.
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Affiliation(s)
- Yujie Chen
- Center for Molecular Medicine, University of Georgia, Athens, GA 30602, USA; (Y.C.); (M.T.A.); (N.P.)
- Department of Biochemistry and Molecular Biology, University of Georgia, Athens, GA 30602, USA
| | - Matthew Tom Anderson
- Center for Molecular Medicine, University of Georgia, Athens, GA 30602, USA; (Y.C.); (M.T.A.); (N.P.)
| | - Nathaniel Payne
- Center for Molecular Medicine, University of Georgia, Athens, GA 30602, USA; (Y.C.); (M.T.A.); (N.P.)
| | - Fabio R. Santori
- Center for Molecular Medicine, University of Georgia, Athens, GA 30602, USA; (Y.C.); (M.T.A.); (N.P.)
| | - Natalia B. Ivanova
- Center for Molecular Medicine, University of Georgia, Athens, GA 30602, USA; (Y.C.); (M.T.A.); (N.P.)
- Department of Biochemistry and Molecular Biology, University of Georgia, Athens, GA 30602, USA
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16
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Finch RH, Vitry G, Siew K, Walsh SB, Behesti A, Hardiman G, da Silveira WA. Spaceflight causes strain dependent gene expression changes associated with lipid and extracellular matrix dysregulation in the mouse kidney in vivo. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.03.13.584781. [PMID: 38559158 PMCID: PMC10979940 DOI: 10.1101/2024.03.13.584781] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/04/2024]
Abstract
To explore new worlds we must ensure humans can survive and thrive in the space environment. Incidence of kidney stones in astronauts is a major risk factor associated with long term missions, caused by increased blood calcium levels due to bone demineralisation triggered by microgravity and space radiation. Transcriptomic changes have been observed in other tissues during spaceflight, including the kidney. We analysed kidney transcriptome patterns in two different strains of mice flown on the International Space Station, C57BL/6J and BALB/c. Here we show a link between spaceflight and transcriptome patterns associated with dysregulation of lipid and extracellular matrix metabolism and altered transforming growth factor-beta signalling. A stronger response was seen in C57BL/6J mice than BALB/c. Genetic differences in hyaluronan metabolism between strains may confer protection against extracellular matrix remodelling through downregulation of epithelial-mesenchymal transition. We intend for our findings to contribute to development of new countermeasures against kidney disease in astronauts and people here on Earth.
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17
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He K, Zhao Z, Zhang J, Li D, Wang S, Liu Q. Cholesterol Metabolism in Neurodegenerative Diseases. Antioxid Redox Signal 2024. [PMID: 38842175 DOI: 10.1089/ars.2024.0674] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 06/07/2024]
Abstract
Significance: Cholesterol plays a crucial role in the brain, where it is highly concentrated and tightly regulated to support normal brain functions. It serves as a vital component of cell membranes, ensuring their integrity, and acts as a key regulator of various brain processes. Dysregulation of cholesterol metabolism in the brain has been linked to impaired brain function and the onset of neurodegenerative diseases such as Alzheimer's disease (AD), Parkinson's disease, and Huntington's disease. Recent Advances: A significant advancement has been the identification of astrocyte-derived apoliprotein E as a key regulator of de novo cholesterol biosynthesis in neurons, providing insights into how extracellular signals influence neuronal cholesterol levels. In addition, the development of antibody-based therapies, particularly for AD, presents promising opportunities for therapeutic interventions. Critical Issues: Despite significant research, the association between cholesterol and neurodegenerative diseases remains inconclusive. It is crucial to distinguish between plasma cholesterol and brain cholesterol, as these pools are relatively independent. This differentiation should be considered when evaluating statin-based treatment approaches. Furthermore, assessing not only the total cholesterol content in the brain but also its distribution among different types of brain cells is essential. Future Direction: Establishing a causal link between changes in brain/plasma cholesterol levels and the onset of brain dysfunction/neurodegenerative diseases remains a key objective. In addition, conducting cell-specific analyses of cholesterol homeostasis in various types of brain cells under pathological conditions will enhance our understanding of cholesterol metabolism in neurodegenerative diseases. Manipulating cholesterol levels to restore homeostasis may represent a novel approach for alleviating neurological symptoms.
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Affiliation(s)
- Keqiang He
- Department of Anesthesiology, The First Affiliated Hospital of USTC, Center for Advanced Interdisciplinary Science and Biomedicine of IHM, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230001, China
| | - Zhiwei Zhao
- Department of Cardiovascular Surgery, the First Affiliated Hospital of USTC, Hefei National Laboratory for Physical Sciences at the Microscale, Division of Life Sciences and Medicine, University of Science and Technology of China
| | - Juan Zhang
- Department of Neurology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, Hefei National Research Center for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei, China
- CAS Key Laboratory of Brain Function and Diseases, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
- Institute on Aging and Brain Disorders, The First Affiliated Hospital of USTC, University of Science and Technology of China, Hefei, China
| | - Dingfeng Li
- Department of Neurology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, Hefei National Research Center for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei, China
- CAS Key Laboratory of Brain Function and Diseases, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
- Institute on Aging and Brain Disorders, The First Affiliated Hospital of USTC, University of Science and Technology of China, Hefei, China
| | - Sheng Wang
- Department of Anesthesiology, The First Affiliated Hospital of USTC, Center for Advanced Interdisciplinary Science and Biomedicine of IHM, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230001, China
| | - Qiang Liu
- Department of Anesthesiology, The First Affiliated Hospital of USTC, Center for Advanced Interdisciplinary Science and Biomedicine of IHM, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230001, China
- Department of Neurology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, Hefei National Research Center for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei, China
- CAS Key Laboratory of Brain Function and Diseases, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
- Institute on Aging and Brain Disorders, The First Affiliated Hospital of USTC, University of Science and Technology of China, Hefei, China
- Neurodegenerative Disorder Research Center, Anhui Province Key Laboratory of Biomedical Aging Research, University of Science and Technology of China, Hefei, China
- Key Laboratory of Immune Response and Immunotherapy, University of Science and Technology of China, Hefei, China
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18
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Ashok S, Ramachandra Rao S. Updates on protein-prenylation and associated inherited retinopathies. FRONTIERS IN OPHTHALMOLOGY 2024; 4:1410874. [PMID: 39026984 PMCID: PMC11254824 DOI: 10.3389/fopht.2024.1410874] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/01/2024] [Accepted: 06/13/2024] [Indexed: 07/20/2024]
Abstract
Membrane-anchored proteins play critical roles in cell signaling, cellular architecture, and membrane biology. Hydrophilic proteins are post-translationally modified by a diverse range of lipid molecules such as phospholipids, glycosylphosphatidylinositol, and isoprenes, which allows their partition and anchorage to the cell membrane. In this review article, we discuss the biochemical basis of isoprenoid synthesis, the mechanisms of isoprene conjugation to proteins, and the functions of prenylated proteins in the neural retina. Recent discovery of novel prenyltransferases, prenylated protein chaperones, non-canonical prenylation-target motifs, and reversible prenylation is expected to increase the number of inherited systemic and blinding diseases with aberrant protein prenylation. Recent important investigations have also demonstrated the role of several unexpected regulators (such as protein charge, sequence/protein-chaperone interaction, light exposure history) in the photoreceptor trafficking of prenylated proteins. Technical advances in the investigation of the prenylated proteome and its application in vision research are discussed. Clinical updates and technical insights into known and putative prenylation-associated retinopathies are provided herein. Characterization of non-canonical prenylation mechanisms in the retina and retina-specific prenylated proteome is fundamental to the understanding of the pathogenesis of protein prenylation-associated inherited blinding disorders.
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Affiliation(s)
- Sudhat Ashok
- Department of Ophthalmology, Jacobs School of Medicine and Biomedical Sciences, State University of New York, University at Buffalo, Buffalo, NY, United States
| | - Sriganesh Ramachandra Rao
- Department of Ophthalmology, Jacobs School of Medicine and Biomedical Sciences, State University of New York, University at Buffalo, Buffalo, NY, United States
- Neuroscience Program, Jacobs School of Medicine and Biomedical Sciences, State University of New York, University at Buffalo, Buffalo, NY, United States
- Research Service, VA Western New York Healthcare System, Buffalo, NY, United States
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19
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Tanaka J, Kuwajima H, Yuki R, Nakayama Y. Simvastatin activates the spindle assembly checkpoint and causes abnormal cell division by modifying small GTPases. Cell Signal 2024; 119:111172. [PMID: 38604342 DOI: 10.1016/j.cellsig.2024.111172] [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: 12/22/2023] [Revised: 04/06/2024] [Accepted: 04/08/2024] [Indexed: 04/13/2024]
Abstract
Simvastatin is an inhibitor of 3-hydroxy-3-methylglutaryl-CoA (HMG-CoA) reductase, which is a rate-limiting enzyme of the cholesterol synthesis pathway. It has been used clinically as a lipid-lowering agent to reduce low-density lipoprotein (LDL) cholesterol levels. In addition, antitumor activity has been demonstrated. Although simvastatin attenuates the prenylation of small GTPases, its effects on cell division in which small GTPases play an important role, have not been examined as a mechanism underlying its cytostatic effects. In this study, we determined its effect on cell division. Cell cycle synchronization experiments revealed a delay in mitotic progression in simvastatin-treated cells at concentrations lower than the IC50. Time-lapse imaging analysis indicated that the duration of mitosis, especially from mitotic entry to anaphase onset, was prolonged. In addition, simvastatin increased the number of cells exhibiting misoriented anaphase/telophase and bleb formation. Inhibition of the spindle assembly checkpoint (SAC) kinase Mps1 canceled the mitotic delay. Additionally, the number of cells exhibiting kinetochore localization of BubR1, an essential component of SAC, was increased, suggesting an involvement of SAC in the mitotic delay. Enhancement of F-actin formation and cell rounding at mitotic entry indicates that cortical actin dynamics were affected by simvastatin. The cholesterol removal agent methyl-β-cyclodextrin (MβCD) accelerated mitotic progression differently from simvastatin, suggesting that cholesterol loss from the plasma membrane is not involved in the mitotic delay. Of note, the small GTPase RhoA, which is a critical factor for cortical actin dynamics, exhibited upregulated expression. In addition, Rap1 was likely not geranylgeranylated. Our results demonstrate that simvastatin affects actin dynamics by modifying small GTPases, thereby activating the spindle assembly checkpoint and causing abnormal cell division.
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Affiliation(s)
- Junna Tanaka
- Laboratory of Biochemistry and Molecular Biology, Kyoto Pharmaceutical University, Kyoto 607-8414, Japan
| | - Hiroki Kuwajima
- Laboratory of Biochemistry and Molecular Biology, Kyoto Pharmaceutical University, Kyoto 607-8414, Japan
| | - Ryuzaburo Yuki
- Laboratory of Biochemistry and Molecular Biology, Kyoto Pharmaceutical University, Kyoto 607-8414, Japan
| | - Yuji Nakayama
- Laboratory of Biochemistry and Molecular Biology, Kyoto Pharmaceutical University, Kyoto 607-8414, Japan.
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20
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Schuurmans IK, Smajlagic D, Baltramonaityte V, Malmberg ALK, Neumann A, Creasey N, Felix JF, Tiemeier H, Pingault JB, Czamara D, Raïkkönen K, Page CM, Lyle R, Havdahl A, Lahti J, Walton E, Bekkhus M, Cecil CAM. Genetic susceptibility to neurodevelopmental conditions associates with neonatal DNA methylation patterns in the general population: an individual participant data meta-analysis. MEDRXIV : THE PREPRINT SERVER FOR HEALTH SCIENCES 2024:2024.07.01.24309384. [PMID: 39006433 PMCID: PMC11245083 DOI: 10.1101/2024.07.01.24309384] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 07/16/2024]
Abstract
Background Autism spectrum disorder (ASD), attention-deficit/hyperactivity disorder (ADHD), and schizophrenia (SCZ) are highly heritable and linked to disruptions in foetal (neuro)development. While epigenetic processes are considered an important underlying pathway between genetic susceptibility and neurodevelopmental conditions, it is unclear (i) whether genetic susceptibility to these conditions is associated with epigenetic patterns, specifically DNA methylation (DNAm), already at birth; (ii) to what extent DNAm patterns are unique or shared across conditions, and (iii) whether these neonatal DNAm patterns can be leveraged to enhance genetic prediction of (neuro)developmental outcomes. Methods We conducted epigenome-wide meta-analyses of genetic susceptibility to ASD, ADHD, and schizophrenia, quantified using polygenic scores (PGSs) on cord blood DNAm, using four population-based cohorts (n pooled=5,802), all North European. Heterogeneity statistics were used to estimate overlap in DNAm patterns between PGSs. Subsequently, DNAm-based measures of PGSs were built in a target sample, and used as predictors to test incremental variance explained over PGS in 130 (neuro)developmental outcomes spanning birth to 14 years. Outcomes In probe-level analyses, SCZ-PGS associated with neonatal DNAm at 246 loci (p<9×10-8), predominantly in the major histocompatibility complex. Functional characterization of these DNAm loci confirmed strong genetic effects, significant blood-brain concordance and enrichment for immune-related pathways. 8 loci were identified for ASD-PGS (mapping to FDFT1 and MFHAS1), and none for ADHD-PGS. Regional analyses indicated a large number of differentially methylated regions for all PGSs (SCZ-PGS: 157, ASD-PGS: 130, ADHD-PGS: 166). DNAm signals showed little overlap between PGSs. We found suggestive evidence that incorporating DNAm-based measures of genetic susceptibility at birth increases explained variance for several child cognitive and motor outcomes over and above PGS. Interpretation Genetic susceptibility for neurodevelopmental conditions, particularly schizophrenia, is detectable in cord blood DNAm at birth in a population-based sample, with largely distinct DNAm patterns between PGSs. These findings support an early-origins perspective on schizophrenia. Funding HorizonEurope; European Research Council.
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Affiliation(s)
- I K Schuurmans
- Department of Epidemiology, Erasmus MC University Medical Center Rotterdam, Rotterdam, the Netherlands
- The Generation R Study Group, Erasmus MC University Medical Center Rotterdam, Rotterdam, the Netherlands
- Department of Child and Adolescent Psychiatry and Psychology, Erasmus MC University Medical Center Rotterdam, Rotterdam, the Netherlands
| | - D Smajlagic
- PROMENTA Research Centre, Department of Psychology, University of Oslo, Oslo, Norway
| | | | - A L K Malmberg
- Department of Psychology and Logopedics, Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - A Neumann
- Department of Child and Adolescent Psychiatry and Psychology, Erasmus MC University Medical Center Rotterdam, Rotterdam, the Netherlands
| | - N Creasey
- The Generation R Study Group, Erasmus MC University Medical Center Rotterdam, Rotterdam, the Netherlands
- Department of Child and Adolescent Psychiatry and Psychology, Erasmus MC University Medical Center Rotterdam, Rotterdam, the Netherlands
- Department of Clinical, Educational, and Health Psychology, Division of Psychology & Language Sciences, University College London, London, UK
| | - J F Felix
- The Generation R Study Group, Erasmus MC University Medical Center Rotterdam, Rotterdam, the Netherlands
- Department of Pediatrics, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - H Tiemeier
- Department of Child and Adolescent Psychiatry and Psychology, Erasmus MC University Medical Center Rotterdam, Rotterdam, the Netherlands
- Department of Social and Behavioral Sciences, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - J B Pingault
- Department of Clinical, Educational, and Health Psychology, Division of Psychology & Language Sciences, University College London, London, UK
- Social, Genetic & Developmental Psychiatry (SGDP) Centre, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, UK
| | - D Czamara
- Max-Planck-Institute of Psychiatry, Department Genes and Environment, Munich, Germany
| | - K Raïkkönen
- Department of Psychology and Logopedics, Faculty of Medicine, University of Helsinki, Helsinki, Finland
- Department of Obstetrics and Gynecology, Helsinki University Hospital and University of Helsinki, Helsinki, Finland
| | - C M Page
- Centre for Fertility and Health, Norwegian Institute of Public Health, Oslo, Norway
| | - R Lyle
- Centre for Fertility and Health, Norwegian Institute of Public Health, Oslo, Norway
- Department of Medical Genetics, Oslo University Hospital, Oslo, Norway
| | - A Havdahl
- PROMENTA Research Centre, Department of Psychology, University of Oslo, Oslo, Norway
- PsychGen Centre for Genetic Epidemiology and Mental Health, Norwegian Institute of Public Health, Oslo, Norway
- Nic Waals Institute, Lovisenberg Diaconal Hospital, Oslo, Norway
| | - J Lahti
- Department of Psychology and Logopedics, Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - E Walton
- Department of Psychology, University of Bath, Bath, United Kingdom
| | - M Bekkhus
- PROMENTA Research Centre, Department of Psychology, University of Oslo, Oslo, Norway
| | - C A M Cecil
- Department of Epidemiology, Erasmus MC University Medical Center Rotterdam, Rotterdam, the Netherlands
- Department of Child and Adolescent Psychiatry and Psychology, Erasmus MC University Medical Center Rotterdam, Rotterdam, the Netherlands
- Molecular Epidemiology, Department of Biomedical Data Sciences, Leiden University Medical Center, Leiden, the Netherlands
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21
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Kajani S, Laker RC, Ratkova E, Will S, Rhodes CJ. Hepatic glucagon action: beyond glucose mobilization. Physiol Rev 2024; 104:1021-1060. [PMID: 38300523 DOI: 10.1152/physrev.00028.2023] [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: 07/11/2023] [Revised: 01/10/2024] [Accepted: 01/11/2024] [Indexed: 02/02/2024] Open
Abstract
Glucagon's ability to promote hepatic glucose production has been known for over a century, with initial observations touting this hormone as a diabetogenic agent. However, glucagon receptor agonism [when balanced with an incretin, including glucagon-like peptide 1 (GLP-1) to dampen glucose excursions] is now being developed as a promising therapeutic target in the treatment of metabolic diseases, like metabolic dysfunction-associated steatotic disease/metabolic dysfunction-associated steatohepatitis (MASLD/MASH), and may also have benefit for obesity and chronic kidney disease. Conventionally regarded as the opposing tag-team partner of the anabolic mediator insulin, glucagon is gradually emerging as more than just a "catabolic hormone." Glucagon action on glucose homeostasis within the liver has been well characterized. However, growing evidence, in part thanks to new and sensitive "omics" technologies, has implicated glucagon as more than just a "glucose liberator." Elucidation of glucagon's capacity to increase fatty acid oxidation while attenuating endogenous lipid synthesis speaks to the dichotomous nature of the hormone. Furthermore, glucagon action is not limited to just glucose homeostasis and lipid metabolism, as traditionally reported. Glucagon plays key regulatory roles in hepatic amino acid and ketone body metabolism, as well as mitochondrial turnover and function, indicating broader glucagon signaling consequences for metabolic homeostasis mediated by the liver. Here we examine the broadening role of glucagon signaling within the hepatocyte and question the current dogma, to appreciate glucagon as more than just that "catabolic hormone."
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Affiliation(s)
- Sarina Kajani
- Early Cardiovascular, Renal and Metabolism, Biopharmaceuticals R&D, AstraZeneca, Gaithersburg, Maryland, United States
| | - Rhianna C Laker
- Early Cardiovascular, Renal and Metabolism, Biopharmaceuticals R&D, AstraZeneca, Gaithersburg, Maryland, United States
| | - Ekaterina Ratkova
- Early Cardiovascular, Renal and Metabolism, Biopharmaceuticals R&D, AstraZeneca, Mölndal, Sweden
| | - Sarah Will
- Early Cardiovascular, Renal and Metabolism, Biopharmaceuticals R&D, AstraZeneca, Gaithersburg, Maryland, United States
| | - Christopher J Rhodes
- Early Cardiovascular, Renal and Metabolism, Biopharmaceuticals R&D, AstraZeneca, Gaithersburg, Maryland, United States
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22
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Zhang J, Guo Y, Wei C, Yan Y, Shan H, Wu B, Wu F. A pharmacovigilance study of chronic kidney disease in diabetes mellitus patients with statin treatment by using the US Food and Drug Administration adverse event reporting system. Front Pharmacol 2024; 15:1363501. [PMID: 38974040 PMCID: PMC11224537 DOI: 10.3389/fphar.2024.1363501] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2023] [Accepted: 05/31/2024] [Indexed: 07/09/2024] Open
Abstract
Background Statins were regarded as a main medication for managing hypercholesterolemia. Administration of statin therapy could reduce the incidence of cardiovascular disease in individuals diagnosed with type 2 diabetes mellitus (DM), which was recognized by multipal clinical guidelines. But previous studies had conflicting results on whether the long-term use of statins could benefit the renal function in diabetic patients. Aim To evaluate the association between statin treatment and Chronic Kidney Disease in DM patients. Methods This is a retrospective disproportionality analysis and cohort study based on real-world data. All DM cases reported in US Food and Drug Administration adverse event reporting system (FAERS) between the first quarter of 2004 and the fourth quarter of 2022 were included. Disproportionality analyses were conducted by estimating the reporting odds ratio (ROR) and the information component (IC). We further compared the CKD odds ratio (OR) between the statins group and the other primary suspected drug group among the included diabetes mellitus cases. Results We finally included 593647 DM cases from FAERS, 5113 (5.31%) CKD cases in the statins group and 8810 (1.77%) CKD cases in the control group. Data analysis showed that the statins group showed a significant CKD signal (ROR: 3.11, 95% CI: 3.00-3.22; IC: 1.18, 95% CI: 1.07-1.29). In case group with two or more statins treatment history, the CKD signal was even stronger (ROR: 19.56, 95% CI: 18.10-21.13; IC: 3.70, 95% CI:3.44-3.93) compared with cases with one statin treatment history. Conclusion The impact of statin therapy on the progression of renal disease in individuals diagnosed with type 2 diabetes mellitus (DM) remains inconclusive. After data mining on the current FAERS dataset, we discovered significant signals between statin treatment and CKD in diabetic patients. Furthermore, the incidence rate of CKD was higher among DM patients who used statins compared to those who did not.
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Affiliation(s)
- Jingyi Zhang
- Department of Pharmacy, West China Hospital, Sichuan University, Chengdu, China
| | - Yuting Guo
- Department of Pharmacy, West China Hospital, Sichuan University, Chengdu, China
| | - Chunyan Wei
- Department of Pharmacy, West China Hospital, Sichuan University, Chengdu, China
| | - Yu Yan
- Department of Pharmacy, West China Hospital, Sichuan University, Chengdu, China
- West China School of Pharmacy, Sichuan University, Chengdu, China
| | - Huifang Shan
- Department of Pharmacy, West China Hospital, Sichuan University, Chengdu, China
| | - Bin Wu
- Department of Pharmacy, West China Hospital, Sichuan University, Chengdu, China
- West China School of Pharmacy, Sichuan University, Chengdu, China
| | - Fengbo Wu
- Department of Pharmacy, West China Hospital, Sichuan University, Chengdu, China
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23
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McBee DP, Hulsey ZN, Hedges MR, Baccile JA. Biological Demands and Toxicity of Isoprenoid Precursors in Bacillus Subtilis Through Cell-Permeant Analogs of Isopentenyl Pyrophosphate and Dimethylallyl Pyrophosphate. Chembiochem 2024; 25:e202400064. [PMID: 38568158 DOI: 10.1002/cbic.202400064] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2024] [Revised: 03/28/2024] [Indexed: 04/25/2024]
Abstract
Bacterial isoprenoids are necessary for many biological processes, including maintaining membrane integrity, facilitating intercellular communication, and preventing oxidative damage. All bacterial isoprenoids are biosynthesized from two five carbon structural isomers, isopentenyl pyrophosphate (IPP) and dimethylallyl pyrophosphate (DMAPP), which are cell impermeant. Herein, we demonstrate exogenous delivery of IPP and DMAPP into Bacillus subtilis by utilizing a self-immolative ester (SIE)-caging approach. We initially evaluated native B. subtilis esterase activity, which revealed a preference for short straight chain esters. We then examined the viability of the SIE-caging approach in B. subtilis and demonstrate that the released caging groups are well tolerated and the released IPP and DMAPP are bioavailable, such that isoprenoid biosynthesis can be rescued in the presence of pathway inhibitors. We further show that IPP and DMAPP are both toxic and inhibit growth of B. subtilis at the same concentration. Lastly, we establish the optimal ratio of IPP to DMAPP (5 : 1) for B. subtilis growth and find that, surprisingly, DMAPP alone is insufficient to rescue isoprenoid biosynthesis under high concentrations of fosmidomycin. These findings showcase the potential of the SIE-caging approach in B. subtilis and promise to both aid in novel isoprenoid discovery and to inform metabolic engineering efforts in bacteria.
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Affiliation(s)
- Dillon P McBee
- Department of Chemistry, University of Tennessee, Knoxville, TN, United States
| | - Zackary N Hulsey
- Department of Chemistry, University of Tennessee, Knoxville, TN, United States
| | - Makayla R Hedges
- Department of Chemistry, University of Tennessee, Knoxville, TN, United States
| | - Joshua A Baccile
- Department of Chemistry, University of Tennessee, Knoxville, TN, United States
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24
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Li C, Yan L, Liu Q, Tian R, Wang S, Umer MF, Jalil MJ, Lohani MN, Liu Y, Tang H, Xu Q, Jiang Q, Chen G, Qi P, Jiang Y, Gou L, Yao Q, Zheng Y, Wei Y, Ma J. Integration of transcriptomics, metabolomics, and hormone analysis revealed the formation of lesion spots inhibited by GA and CTK was related to cell death and disease resistance in bread wheat (Triticum aestivum L.). BMC PLANT BIOLOGY 2024; 24:558. [PMID: 38877396 PMCID: PMC11179392 DOI: 10.1186/s12870-024-05212-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/20/2024] [Accepted: 05/28/2024] [Indexed: 06/16/2024]
Abstract
BACKGROUND Wheat is one of the important grain crops in the world. The formation of lesion spots related to cell death is involved in disease resistance, whereas the regulatory pathway of lesion spot production and resistance mechanism to pathogens in wheat is largely unknown. RESULTS In this study, a pair of NILs (NIL-Lm5W and NIL-Lm5M) was constructed from the BC1F4 population by the wheat lesion mimic mutant MC21 and its wild genotype Chuannong 16. The formation of lesion spots in NIL-Lm5M significantly increased its resistance to stripe rust, and NIL-Lm5M showed superiour agronomic traits than NIL-Lm5W under stripe rust infection.Whereafter, the NILs were subjected to transcriptomic (stage N: no spots; stage S, only a few spots; and stage M, numerous spots), metabolomic (stage N and S), and hormone analysis (stage S), with samples taken from normal plants in the field. Transcriptomic analysis showed that the differentially expressed genes were enriched in plant-pathogen interaction, and defense-related genes were significantly upregulated following the formation of lesion spots. Metabolomic analysis showed that the differentially accumulated metabolites were enriched in energy metabolism, including amino acid metabolism, carbohydrate metabolism, and lipid metabolism. Correlation network diagrams of transcriptomic and metabolomic showed that they were both enriched in energy metabolism. Additionally, the contents of gibberellin A7, cis-Zeatin, and abscisic acid were decreased in leaves upon lesion spot formation, whereas the lesion spots in NIL-Lm5M leaves were restrained by spaying GA and cytokinin (CTK, trans-zeatin) in the field. CONCLUSION The formation of lesion spots can result in cell death and enhance strip rust resistance by protein degradation pathway and defense-related genes overexpression in wheat. Besides, the formation of lesion spots was significantly affected by GA and CTK. Altogether, these results may contribute to the understanding of lesion spot formation in wheat and laid a foundation for regulating the resistance mechanism to stripe rust.
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Affiliation(s)
- Cong Li
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu, China
- Triticeae Research Institute, Sichuan Agricultural University, Chengdu, China
| | - Lei Yan
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu, China
- Triticeae Research Institute, Sichuan Agricultural University, Chengdu, China
| | - Qian Liu
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu, China
- Triticeae Research Institute, Sichuan Agricultural University, Chengdu, China
| | - Rong Tian
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu, China
- Triticeae Research Institute, Sichuan Agricultural University, Chengdu, China
| | - Surong Wang
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu, China
- Triticeae Research Institute, Sichuan Agricultural University, Chengdu, China
| | - Muhammad Faisal Umer
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu, China
- Triticeae Research Institute, Sichuan Agricultural University, Chengdu, China
| | - Muhammad Junaid Jalil
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu, China
- Triticeae Research Institute, Sichuan Agricultural University, Chengdu, China
| | - Md Nahibuzzaman Lohani
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu, China
- Triticeae Research Institute, Sichuan Agricultural University, Chengdu, China
| | - Yanlin Liu
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu, China
- Triticeae Research Institute, Sichuan Agricultural University, Chengdu, China
| | - Huaping Tang
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu, China
- Triticeae Research Institute, Sichuan Agricultural University, Chengdu, China
| | - Qiang Xu
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu, China
- Triticeae Research Institute, Sichuan Agricultural University, Chengdu, China
| | - Qiantao Jiang
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu, China
- Triticeae Research Institute, Sichuan Agricultural University, Chengdu, China
| | - Guoyue Chen
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu, China
- Triticeae Research Institute, Sichuan Agricultural University, Chengdu, China
| | - Pengfei Qi
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu, China
- Triticeae Research Institute, Sichuan Agricultural University, Chengdu, China
| | - Yunfeng Jiang
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu, China
- Triticeae Research Institute, Sichuan Agricultural University, Chengdu, China
| | - Lulu Gou
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu, China.
| | - Qifu Yao
- College of Agroforestry Engineering and Planning, Guizhou Key Laboratory of Biodiversity Conservation and Utilization in the Fanjing Mountain Region, Tongren University, Tongren, 554300, China
| | - Youliang Zheng
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu, China
- Triticeae Research Institute, Sichuan Agricultural University, Chengdu, China
| | - Yuming Wei
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu, China.
- Triticeae Research Institute, Sichuan Agricultural University, Chengdu, China.
| | - Jian Ma
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu, China.
- Triticeae Research Institute, Sichuan Agricultural University, Chengdu, China.
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25
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Chen L, Ma J, Xu W, Shen F, Yang Z, Sonne C, Dietz R, Li L, Jie X, Li L, Yan G, Zhang X. Comparative transcriptome and methylome of polar bears, giant and red pandas reveal diet-driven adaptive evolution. Evol Appl 2024; 17:e13731. [PMID: 38894980 PMCID: PMC11183199 DOI: 10.1111/eva.13731] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2023] [Revised: 05/18/2024] [Accepted: 05/27/2024] [Indexed: 06/21/2024] Open
Abstract
Epigenetic regulation plays an important role in the evolution of species adaptations, yet little information is available on the epigenetic mechanisms underlying the adaptive evolution of bamboo-eating in both giant pandas (Ailuropoda melanoleuca) and red pandas (Ailurus fulgens). To investigate the potential contribution of epigenetic to the adaptive evolution of bamboo-eating in giant and red pandas, we performed hepatic comparative transcriptome and methylome analyses between bamboo-eating pandas and carnivorous polar bears (Ursus maritimus). We found that genes involved in carbohydrate, lipid, amino acid, and protein metabolism showed significant differences in methylation and expression levels between the two panda species and polar bears. Clustering analysis of gene expression revealed that giant pandas did not form a sister group with the more closely related polar bears, suggesting that the expression pattern of genes in livers of giant pandas and red pandas have evolved convergently driven by their similar diets. Compared to polar bears, some key genes involved in carbohydrate metabolism and biological oxidation and cholesterol synthesis showed hypomethylation and higher expression in giant and red pandas, while genes involved in fat digestion and absorption, fatty acid metabolism, lysine degradation, resistance to lipid peroxidation and detoxification showed hypermethylation and low expression. Our study elucidates the special nutrient utilization mechanism of giant pandas and red pandas and provides some insights into the molecular mechanism of their adaptive evolution of bamboo feeding. This has important implications for the breeding and conservation of giant pandas and red pandas.
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Affiliation(s)
- Lei Chen
- Key Laboratory of bio‐Resources and eco‐Environment, Ministry of Education, College of Life ScienceSichuan UniversityChengduChina
| | - Jinnan Ma
- Key Laboratory of bio‐Resources and eco‐Environment, Ministry of Education, College of Life ScienceSichuan UniversityChengduChina
- College of Continuing EducationYunnan Normal UniversityKunmingChina
| | - Wencai Xu
- Key Laboratory of bio‐Resources and eco‐Environment, Ministry of Education, College of Life ScienceSichuan UniversityChengduChina
| | - Fujun Shen
- Sichuan Key Laboratory for Conservation Biology of Endangered WildlifeChengdu Research Base of Giant Panda BreedingChengduChina
| | | | - Christian Sonne
- Arctic Research Centre, Faculty of Science and Technology, Department of EcoscienceAarhus UniversityRoskildeDenmark
| | - Rune Dietz
- Arctic Research Centre, Faculty of Science and Technology, Department of EcoscienceAarhus UniversityRoskildeDenmark
| | - Linzhu Li
- Key Laboratory of bio‐Resources and eco‐Environment, Ministry of Education, College of Life ScienceSichuan UniversityChengduChina
| | - Xiaodie Jie
- Key Laboratory of bio‐Resources and eco‐Environment, Ministry of Education, College of Life ScienceSichuan UniversityChengduChina
| | - Lu Li
- Key Laboratory of bio‐Resources and eco‐Environment, Ministry of Education, College of Life ScienceSichuan UniversityChengduChina
| | - Guoqiang Yan
- Key Laboratory of bio‐Resources and eco‐Environment, Ministry of Education, College of Life ScienceSichuan UniversityChengduChina
| | - Xiuyue Zhang
- Key Laboratory of bio‐Resources and eco‐Environment, Ministry of Education, College of Life ScienceSichuan UniversityChengduChina
- Sichuan Key Laboratory of Conservation Biology on Endangered Wildlife, College of Life SciencesSichuan UniversityChengduChina
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26
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Suazo KF, Mishra V, Maity S, Auger SA, Justyna K, Petre AM, Ottoboni L, Ongaro J, Corti SP, Lotti F, Przedborski S, Distefano MD. Improved synthesis and application of an alkyne-functionalized isoprenoid analogue to study the prenylomes of motor neurons, astrocytes and their stem cell progenitors. Bioorg Chem 2024; 147:107365. [PMID: 38636436 DOI: 10.1016/j.bioorg.2024.107365] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2024] [Revised: 04/06/2024] [Accepted: 04/10/2024] [Indexed: 04/20/2024]
Abstract
Protein prenylation is one example of a broad class of post-translational modifications where proteins are covalently linked to various hydrophobic moieties. To globally identify and monitor levels of all prenylated proteins in a cell simultaneously, our laboratory and others have developed chemical proteomic approaches that rely on the metabolic incorporation of isoprenoid analogues bearing bio-orthogonal functionality followed by enrichment and subsequent quantitative proteomic analysis. Here, several improvements in the synthesis of the alkyne-containing isoprenoid analogue C15AlkOPP are reported to improve synthetic efficiency. Next, metabolic labeling with C15AlkOPP was optimized to obtain useful levels of metabolic incorporation of the probe in several types of primary cells. Those conditions were then used to study the prenylomes of motor neurons (ES-MNs), astrocytes (ES-As), and their embryonic stem cell progenitors (ESCs), which allowed for the identification of 54 prenylated proteins from ESCs, 50 from ES-MNs, and 84 from ES-As, representing all types of prenylation. Bioinformatic analysis revealed specific enriched pathways, including nervous system development, chemokine signaling, Rho GTPase signaling, and adhesion. Hierarchical clustering showed that most enriched pathways in all three cell types are related to GTPase activity and vesicular transport. In contrast, STRING analysis showed significant interactions in two populations that appear to be cell type dependent. The data provided herein demonstrates that robust incorporation of C15AlkOPP can be obtained in ES-MNs and related primary cells purified via magnetic-activated cell sorting allowing the identification and quantification of numerous prenylated proteins. These results suggest that metabolic labeling with C15AlkOPP should be an effective approach for investigating the role of prenylated proteins in primary cells in both normal cells and disease pathologies, including ALS.
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Affiliation(s)
- Kiall F Suazo
- Department of Chemistry, University of Minnesota, Minneapolis, MN 55455, USA.
| | - Vartika Mishra
- Center for Motor Neuron Biology and Diseases, Department of Neurology. Columbia University Irving Medical Center. New York, NY 10032, USA; Department of Pathology & Cell Biology. Columbia University Irving Medical Center. New York, NY 10032, USA.
| | - Sanjay Maity
- Department of Chemistry, University of Minnesota, Minneapolis, MN 55455, USA
| | - Shelby A Auger
- Department of Chemistry, University of Minnesota, Minneapolis, MN 55455, USA.
| | - Katarzyna Justyna
- Department of Chemistry, University of Minnesota, Minneapolis, MN 55455, USA.
| | - Alexandru M Petre
- Department of Chemistry, University of Minnesota, Minneapolis, MN 55455, USA.
| | - Linda Ottoboni
- Department of Pathophysiology and Transplantation, Dino Ferrari Center, Università degli Studi di Milano, Milan, Italy.
| | - Jessica Ongaro
- Neurology Unit, Foundation IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Stefania P Corti
- Department of Pathophysiology and Transplantation, Dino Ferrari Center, Università degli Studi di Milano, Milan, Italy; Neurology Unit, Foundation IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy; Neuromuscular and Rare Diseases Unit, Department of Neuroscience, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy.
| | - Francesco Lotti
- Center for Motor Neuron Biology and Diseases, Department of Neurology. Columbia University Irving Medical Center. New York, NY 10032, USA; Department of Pathology & Cell Biology. Columbia University Irving Medical Center. New York, NY 10032, USA.
| | - Serge Przedborski
- Center for Motor Neuron Biology and Diseases, Department of Neurology. Columbia University Irving Medical Center. New York, NY 10032, USA; Department of Pathology & Cell Biology. Columbia University Irving Medical Center. New York, NY 10032, USA; Department of Neuroscience, Pathology, and Cell Biology, Columbia University Irving Medical Center, New York, NY 10032, USA.
| | - Mark D Distefano
- Department of Chemistry, University of Minnesota, Minneapolis, MN 55455, USA.
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27
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Park JH, Mortaja M, Son HG, Zhao X, Sloat LM, Azin M, Wang J, Collier MR, Tummala KS, Mandinova A, Bardeesy N, Semenov YR, Mino-Kenudson M, Demehri S. Statin prevents cancer development in chronic inflammation by blocking interleukin 33 expression. Nat Commun 2024; 15:4099. [PMID: 38816352 PMCID: PMC11139893 DOI: 10.1038/s41467-024-48441-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2023] [Accepted: 04/24/2024] [Indexed: 06/01/2024] Open
Abstract
Chronic inflammation is a major cause of cancer worldwide. Interleukin 33 (IL-33) is a critical initiator of cancer-prone chronic inflammation; however, its induction mechanism by environmental causes of chronic inflammation is unknown. Herein, we demonstrate that Toll-like receptor (TLR)3/4-TBK1-IRF3 pathway activation links environmental insults to IL-33 induction in the skin and pancreas inflammation. An FDA-approved drug library screen identifies pitavastatin to effectively suppress IL-33 expression by blocking TBK1 membrane recruitment/activation through the mevalonate pathway inhibition. Accordingly, pitavastatin prevents chronic pancreatitis and its cancer sequela in an IL-33-dependent manner. The IRF3-IL-33 axis is highly active in chronic pancreatitis and its associated pancreatic cancer in humans. Interestingly, pitavastatin use correlates with a significantly reduced risk of chronic pancreatitis and pancreatic cancer in patients. Our findings demonstrate that blocking the TBK1-IRF3-IL-33 signaling axis suppresses cancer-prone chronic inflammation. Statins present a safe and effective prophylactic strategy to prevent chronic inflammation and its cancer sequela.
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Affiliation(s)
- Jong Ho Park
- Center for Cancer Immunology, Krantz Family Center for Cancer Research, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
- Cutaneous Biology Research Center, Department of Dermatology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
- Department of Anatomy, School of Medicine, Keimyung University, Daegu, South Korea
| | - Mahsa Mortaja
- Center for Cancer Immunology, Krantz Family Center for Cancer Research, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
- Cutaneous Biology Research Center, Department of Dermatology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Heehwa G Son
- Center for Cancer Immunology, Krantz Family Center for Cancer Research, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
- Cutaneous Biology Research Center, Department of Dermatology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Xutu Zhao
- Center for Cancer Immunology, Krantz Family Center for Cancer Research, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
- Cutaneous Biology Research Center, Department of Dermatology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Lauren M Sloat
- Center for Cancer Immunology, Krantz Family Center for Cancer Research, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
- Cutaneous Biology Research Center, Department of Dermatology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Marjan Azin
- Center for Cancer Immunology, Krantz Family Center for Cancer Research, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
- Cutaneous Biology Research Center, Department of Dermatology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Jun Wang
- Cutaneous Biology Research Center, Department of Dermatology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Michael R Collier
- Department of Dermatology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Krishna S Tummala
- Krantz Family Center for Cancer Research, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
- Center for Regenerative Medicine, Massachusetts General Hospital, Boston, MA, USA
- Department of Medicine, Harvard Medical School, Boston, MA, USA
- Cancer Program, Broad Institute of Massachusetts Institute of Technology and Harvard, Cambridge, MA, USA
- Quantitative Biosciences, Merck Research Laboratories, Boston, MA, USA
| | - Anna Mandinova
- Cutaneous Biology Research Center, Department of Dermatology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Nabeel Bardeesy
- Krantz Family Center for Cancer Research, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
- Center for Regenerative Medicine, Massachusetts General Hospital, Boston, MA, USA
- Department of Medicine, Harvard Medical School, Boston, MA, USA
- Cancer Program, Broad Institute of Massachusetts Institute of Technology and Harvard, Cambridge, MA, USA
| | - Yevgeniy R Semenov
- Department of Dermatology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
- Laboratory of Systems Pharmacology, Harvard Program in Therapeutic Science, Harvard Medical School, Boston, USA
| | - Mari Mino-Kenudson
- Department of Pathology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Shadmehr Demehri
- Center for Cancer Immunology, Krantz Family Center for Cancer Research, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA.
- Cutaneous Biology Research Center, Department of Dermatology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA.
- Department of Dermatology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA.
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Chen L, Huang D, Huang Z, Liu X, He M, Luo M, Tang Z, Tan G, Guo Q, Xiong H. Decreased HMGCS1 inhibits proliferation and inflammatory response of keratinocytes and ameliorates imiquimod-induced psoriasis via the STAT3/IL-23 axis. Int Immunopharmacol 2024; 133:112033. [PMID: 38608446 DOI: 10.1016/j.intimp.2024.112033] [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: 10/24/2023] [Revised: 03/09/2024] [Accepted: 04/05/2024] [Indexed: 04/14/2024]
Abstract
Psoriasis is an immuno-inflammatory disease characterized by excessive keratinocyte proliferation, requiring extensive lipids. 3-hydroxy-3-methylglutaryl-coenzyme A synthase 1 (HMGCS1) is an essential enzyme in the mevalonate pathway, involved in cholesterol synthesis and the inflammatory response. However, the role of HMGCS1 in psoriasis has remained elusive. This study aims to elucidate the mechanism by which HMGCS1 controls psoriasiform inflammation. We discovered an increased abundance of HMGCS1 in psoriatic lesions when analyzing two Gene Expression Omnibus (GEO) datasets and confirmed this in psoriatic animal models and psoriatic patients by immunohistochemistry. In a TNF-α stimulated psoriatic HaCaT cell line, HMGCS1 was found to be overexpressed. Knockdown of HMGCS1 using siRNA suppressed the migration and proliferation of HaCaT cells. Mechanistically, HMGCS1 downregulation also reduced the expression of IL-23 and the STAT3 phosphorylation level. In imiquimod-induced psoriatic mice, intradermal injection of HMGCS1 siRNA significantly decreased the expression of HMGCS1 in the epidermis, which in turn led to an improvement in the Psoriasis Area and Severity Index score, epidermal thickening, and pathological Baker score. Additionally, expression levels of inflammatory cytokines IL-23, IL1-β, chemokine CXCL1, and innate immune mediator S100A7-9 were downregulated in the epidermis. In conclusion, HMGCS1 downregulation improved psoriasis in vitro and in vivo through the STAT3/IL-23 axis.
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Affiliation(s)
- Lin Chen
- Department of Dermatology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
| | - Danqi Huang
- Department of Chemical Pathology, The Chinese University of Hong Kong, Hong Kong, China
| | - Zhongzhou Huang
- Department of Dermatology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
| | - Xiuting Liu
- Department of Dermatology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
| | - Mingjie He
- Department of Dermatology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
| | - Minqing Luo
- Department of Dermatology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
| | - Zengqi Tang
- Department of Dermatology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
| | - Guozhen Tan
- Department of Dermatology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
| | - Qing Guo
- Department of Dermatology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
| | - Hui Xiong
- Department of Dermatology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China; Department of Dermatology, Shenshan Medical Center, Memorial Hospital of Sun Yat-sen University, Shanwei, Guangdong, China; Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Medical Research Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China.
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Göbel A, Pählig S, Motz A, Breining D, Traikov S, Hofbauer LC, Rachner TD. Overcoming statin resistance in prostate cancer cells by targeting the 3-hydroxy-3-methylglutaryl-CoA-reductase. Biochem Biophys Res Commun 2024; 710:149841. [PMID: 38588613 DOI: 10.1016/j.bbrc.2024.149841] [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: 02/09/2024] [Revised: 03/14/2024] [Accepted: 03/26/2024] [Indexed: 04/10/2024]
Abstract
Prostate cancer is the most prevalent malignancy in men. While diagnostic and therapeutic interventions have substantially improved in recent years, disease relapse, treatment resistance, and metastasis remain significant contributors to prostate cancer-related mortality. Therefore, novel therapeutic approaches are needed. Statins are inhibitors of the 3-hydroxy-3-methylglutaryl-CoA reductase (HMGCR), the rate-limiting enzyme of the mevalonate pathway which plays an essential role in cholesterol homeostasis. Numerous preclinical studies have provided evidence for the pleiotropic antitumor effects of statins. However, results from clinical studies remain controversial and have shown substantial benefits to even no effects on human malignancies including prostate cancer. Potential statin resistance mechanisms of tumor cells may account for such discrepancies. In our study, we treated human prostate cancer cell lines (PC3, C4-2B, DU-145, LNCaP) with simvastatin, atorvastatin, and rosuvastatin. PC3 cells demonstrated high statin sensitivity, resulting in a significant loss of vitality and clonogenic potential (up to - 70%; p < 0.001) along with an activation of caspases (up to 4-fold; p < 0.001). In contrast, C4-2B and DU-145 cells were statin-resistant. Statin treatment induced a restorative feedback in statin-resistant C4-2B and DU-145 cells through upregulation of the HMGCR gene and protein expression (up to 3-folds; p < 0.01) and its transcription factor sterol-regulatory element binding protein 2 (SREBP-2). This feedback was absent in PC3 cells. Blocking the feedback using HMGCR-specific small-interfering (si)RNA, the SREBP-2 activation inhibitor dipyridamole or the HMGCR degrader SR12813 abolished statin resistance in C4-2B and DU-145 and induced significant activation of caspases by statin treatment (up to 10-fold; p < 0.001). Consistently, long-term treatment with sublethal concentrations of simvastatin established a stable statin resistance of a PC3SIM subclone accompanied by a significant upregulation of both baseline as well as post-statin HMGCR protein (gene expression up to 70-fold; p < 0.001). Importantly, the statin-resistant phenotype of PC3SIM cells was reversible by HMGCR-specific siRNA and dipyridamole. Our investigations reveal a key role of a restorative feedback driven by the HMGCR/SREBP-2 axis in statin resistance mechanisms of prostate cancer cells.
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Affiliation(s)
- Andy Göbel
- Mildred Scheel Early Career Center, Division of Endocrinology and Metabolic Bone Diseases, Department of Medicine III, Technische Universität Dresden, Dresden, Germany; Center for Healthy Ageing, Department of Medicine III, Technische Universität Dresden, Dresden, Germany; German Cancer Consortium (DKTK), Dresden and German Cancer Research Center (DKFZ), Heidelberg, Germany.
| | - Sophie Pählig
- Mildred Scheel Early Career Center, Division of Endocrinology and Metabolic Bone Diseases, Department of Medicine III, Technische Universität Dresden, Dresden, Germany; Center for Healthy Ageing, Department of Medicine III, Technische Universität Dresden, Dresden, Germany; German Cancer Consortium (DKTK), Dresden and German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Anja Motz
- Mildred Scheel Early Career Center, Division of Endocrinology and Metabolic Bone Diseases, Department of Medicine III, Technische Universität Dresden, Dresden, Germany
| | - Dorit Breining
- Mildred Scheel Early Career Center, Division of Endocrinology and Metabolic Bone Diseases, Department of Medicine III, Technische Universität Dresden, Dresden, Germany
| | - Sofia Traikov
- Max Planck Institute for Molecular Cell Biology and Genetics, Dresden, Germany
| | - Lorenz C Hofbauer
- Mildred Scheel Early Career Center, Division of Endocrinology and Metabolic Bone Diseases, Department of Medicine III, Technische Universität Dresden, Dresden, Germany; Center for Healthy Ageing, Department of Medicine III, Technische Universität Dresden, Dresden, Germany; German Cancer Consortium (DKTK), Dresden and German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Tilman D Rachner
- Mildred Scheel Early Career Center, Division of Endocrinology and Metabolic Bone Diseases, Department of Medicine III, Technische Universität Dresden, Dresden, Germany; Center for Healthy Ageing, Department of Medicine III, Technische Universität Dresden, Dresden, Germany; German Cancer Consortium (DKTK), Dresden and German Cancer Research Center (DKFZ), Heidelberg, Germany
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de Sousa DP, de Assis Oliveira F, Arcanjo DDR, da Fonsêca DV, Duarte ABS, de Oliveira Barbosa C, Ong TP, Brocksom TJ. Essential Oils: Chemistry and Pharmacological Activities-Part II. Biomedicines 2024; 12:1185. [PMID: 38927394 PMCID: PMC11200837 DOI: 10.3390/biomedicines12061185] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2024] [Revised: 05/17/2024] [Accepted: 05/20/2024] [Indexed: 06/28/2024] Open
Abstract
The importance of essential oils and their components in the industrial sector is attributed to their chemical characteristics and their application in the development of products in the areas of cosmetology, food, and pharmaceuticals. However, the pharmacological properties of this class of natural products have been extensively investigated and indicate their applicability for obtaining new drugs. Therefore, this review discusses the use of these oils as starting materials to synthesize more complex molecules and products with greater commercial value and clinic potential. Furthermore, the antiulcer, cardiovascular, and antidiabetic mechanisms of action are discussed. The main mechanistic aspects of the chemopreventive properties of oils against cancer are also presented. The data highlight essential oils and their derivatives as a strategic chemical group in the search for effective therapeutic agents against various diseases.
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Affiliation(s)
| | | | - Daniel Dias Rufino Arcanjo
- LAFMOL—Laboratory of Functional and Molecular Studies in Physiopharmacology, Department of Biophysics and Physiology, Federal University of Piaui, Teresina 64049-550, Brazil; (D.D.R.A.); (C.d.O.B.)
| | - Diogo Vilar da Fonsêca
- Collegiate of Medicine, Federal University of São Francisco Valley, Bahia 48607-190, Brazil;
| | - Allana Brunna S. Duarte
- Laboratory of Pharmaceutical Chemistry, Federal University of Paraíba, João Pessoa 58051-900, Brazil;
| | - Celma de Oliveira Barbosa
- LAFMOL—Laboratory of Functional and Molecular Studies in Physiopharmacology, Department of Biophysics and Physiology, Federal University of Piaui, Teresina 64049-550, Brazil; (D.D.R.A.); (C.d.O.B.)
| | - Thomas Prates Ong
- Department of Food Science and Nutrition, School of Pharmaceutical Sciences, University of São Paulo (USP), São Paulo 05508-000, Brazil;
- Food Research Center (FoRC), University of São Paulo, São Paulo 05508-000, Brazil
| | - Timothy John Brocksom
- Department of Chemistry, Federal University of São Carlos, São Carlos 13565-905, Brazil;
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Kurashige T, Nakamura R, Murao T, Mine N, Sato M, Katsumata R, Kanaya Y, Dodo Y, Sugiura T, Ohshita T. Atypical skin conditions of the neck and back as a dermal manifestation of anti-HMGCR antibody-positive myopathy. BMC Immunol 2024; 25:30. [PMID: 38734636 PMCID: PMC11088225 DOI: 10.1186/s12865-024-00622-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2024] [Accepted: 05/07/2024] [Indexed: 05/13/2024] Open
Abstract
BACKGROUND Immune-mediated necrotizing myopathy (IMNM) is an idiopathic inflammatory myopathy (IIM). Though patients with IMNM were not considered to show skin rash, several reports have showed atypical skin conditions in patients with anti-3-hydroxy-3-methylglutaryl-coenzyme A reductase (HMGCR) antibody-positive IMNM (HMGCR-IMNM). The incidence and phenotype of skin conditions in patients with HMGCR-IMNM are not fully known. RESULTS Among the 100 IIM patients diagnosed from April 2015 through August 2022, 34 (34%) presented some form of skin condition, with 27 having typical skin rashes; this included 13 patients with dermatomyositis (DM), 8 with anti-synthetase syndrome (ASS), and 6 with IMNM. Meanwhile, 8 of 19 patients with HMGCR-IMNM (42%) presented atypical skin lesions, but no patients with other IIMs did (p < 0.001). Skin eruption with ash-like scales was observed in four HMGCR-IMNM patients, and non-scaly red patches and lumps in the other four patients; accordingly, their skin manifestations were considered as other dermal diseases except for IIM. However, skin and muscle biopsies revealed the atypical skin conditions of patients with HMGCR-IMNM to have the same pathological background, formed by Bcl-2-positive lymphocyte infiltrations. CONCLUSIONS HMGCR-IMNM patients frequently have atypical skin conditions of the neck and back. Skin biopsy specimens from these lesions showed the same Bcl-2-positive lymphocytic infiltrations as muscle biopsy specimens regardless of the different gross dermal findings. Thus, such atypical skin conditions may be suggestive for HMGCR-IMNM.
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Affiliation(s)
- Takashi Kurashige
- Department of Neurology, NHO Kure Medical Center, Chugoku Cancer Center, Kure, Japan.
| | - Rie Nakamura
- Department of Dermatology, NHO Kure Medical Center, Chugoku Cancer Center, Kure, Japan
- Department of Dermatology, Hiroshima City North Medical Center Asa Citizens Hospital, Hiroshima, Japan
| | - Tomomi Murao
- Department of Neurology, NHO Kure Medical Center, Chugoku Cancer Center, Kure, Japan
| | - Naoko Mine
- Department of Neurology, NHO Kure Medical Center, Chugoku Cancer Center, Kure, Japan
- Department of Neurology, Chugoku Rosai Hospital, Kure, Japan
| | - Mayu Sato
- Department of Rheumatology, NHO Kure Medical Center, Chugoku Cancer Center, Kure, Japan
- Department of Clinical Immunology and Rheumatology, Hiroshima University Hospital, Hiroshima, Japan
| | - Riho Katsumata
- Department of Neurology, NHO Kure Medical Center, Chugoku Cancer Center, Kure, Japan
| | - Yuhei Kanaya
- Department of Neurology, NHO Kure Medical Center, Chugoku Cancer Center, Kure, Japan
| | - Yoriko Dodo
- Department of Neurology, NHO Kure Medical Center, Chugoku Cancer Center, Kure, Japan
| | - Tomohito Sugiura
- Department of Neurology, NHO Kure Medical Center, Chugoku Cancer Center, Kure, Japan
| | - Tomohiko Ohshita
- Department of Neurology, NHO Kure Medical Center, Chugoku Cancer Center, Kure, Japan
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32
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Tovar R, de Ceglia M, Rodríguez-Pozo M, Vargas A, Gavito A, Suárez J, Boronat A, de la Torre R, de Fonseca FR, Baixeras E, Decara J. Hydroxytyrosol Linoleoyl Ether Ameliorates Metabolic-Associated Fatty Liver Disease Symptoms in Obese Zucker Rats. ACS Pharmacol Transl Sci 2024; 7:1571-1583. [PMID: 38751648 PMCID: PMC11092116 DOI: 10.1021/acsptsci.4c00105] [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: 02/21/2024] [Revised: 03/26/2024] [Accepted: 03/28/2024] [Indexed: 05/18/2024]
Abstract
A main hepatic consequence of obesity is metabolic-associated fatty liver disease (MAFLD), currently treated by improving eating habits and administrating fibrates yet often yielding suboptimal outcomes. Searching for a new therapeutic approach, we aimed to evaluate the efficacy of hydroxytyrosol linoleoyl ether (HTLE), a dual Ppar-α agonist/Cb1 antagonist with inherent antioxidant properties, as an antisteatotic agent. Using lean and obese Zucker rats, they were administrated daily doses of HTLE (3 mg/kg) over a 15-day period, evaluating its safety profile, pharmacokinetics, impact on body weight, hepatic fat content, expression of key enzymes involved in lipogenesis/fatty acid oxidation, and antioxidant capacity. HTLE decreased the body weight and food intake in both rat genotypes. Biochemical analysis demonstrated a favorable safety profile for HTLE along with decreased concentrations of urea, total cholesterol, and aspartate aminotransferase AST transaminases in plasma. Notably, HTLE exhibited potent antisteatotic effects in obese rats, evidenced by a decrease in liver fat content and downregulation of lipogenesis-related enzymes, alongside increased expression of proteins controlling lipid oxidation. Moreover, HTLE successfully counteracted the redox imbalance associated with MAFLD in obese rats, attenuating lipid peroxidation and replenishing both glutathione levels and the overall antioxidant. Our findings highlight the effectiveness of triple-action strategies in managing MAFLD effectively. Based on our results in the Zucker rat model, HTLE emerges as a promising candidate with triple functionality as an anorexigenic, antisteatotic, and antioxidant agent, offering potential relief from MAFLD symptoms associated with obesity while exhibiting minimal side effects. In conclusion, our study positions HTLE as a highly promising compound for therapeutic intervention in MAFLD treatment, warranting further exploration in clinical trials.
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Affiliation(s)
- Rubén Tovar
- Instituto
de Investigación Biomédica de Málaga y Plataforma
en Nanomedicina-IBIMA Plataforma BIONAND, Hospital Universitario Regional de Málaga, UGC Salud Mental, Av. Carlos Haya 82, Málaga 29010, Spain
- Facultad
de Ciencias, Universidad de Málaga,
Campus Universitario de Teatinos s/n, Málaga 29010, Spain
| | - Marialuisa de Ceglia
- Instituto
de Investigación Biomédica de Málaga y Plataforma
en Nanomedicina-IBIMA Plataforma BIONAND, Hospital Universitario Regional de Málaga, UGC Salud Mental, Av. Carlos Haya 82, Málaga 29010, Spain
| | - Miguel Rodríguez-Pozo
- Instituto
de Investigación Biomédica de Málaga y Plataforma
en Nanomedicina-IBIMA Plataforma BIONAND, Hospital Universitario Regional de Málaga, UGC Salud Mental, Av. Carlos Haya 82, Málaga 29010, Spain
| | - Antonio Vargas
- Instituto
de Investigación Biomédica de Málaga y Plataforma
en Nanomedicina-IBIMA Plataforma BIONAND, Hospital Universitario Regional de Málaga, UGC Salud Mental, Av. Carlos Haya 82, Málaga 29010, Spain
| | - Ana Gavito
- Instituto
de Investigación Biomédica de Málaga y Plataforma
en Nanomedicina-IBIMA Plataforma BIONAND, Hospital Universitario Regional de Málaga, UGC Salud Mental, Av. Carlos Haya 82, Málaga 29010, Spain
| | - Juan Suárez
- Instituto
de Investigación Biomédica de Málaga y Plataforma
en Nanomedicina-IBIMA Plataforma BIONAND, Hospital Universitario Regional de Málaga, UGC Salud Mental, Av. Carlos Haya 82, Málaga 29010, Spain
- Departamento
de Anatomía Humana, Medicina Legal e Historia de la Ciencia,
Facultad de Medicina, Universidad de Málaga,
Campus Universitario de Teatinos s/n, Málaga 29010, Spain
| | - Anna Boronat
- Grupo
de Farmacología Integrada y Neurociencia de Sistemas, Programa
de investigación en Neurociencias, Instituto de Investigaciones Médicas Hospital del Mar (IMIM), C/del Dr. Aiguader 88, Barcelona 08003, Spain
| | - Rafael de la Torre
- Grupo
de Farmacología Integrada y Neurociencia de Sistemas, Programa
de investigación en Neurociencias, Instituto de Investigaciones Médicas Hospital del Mar (IMIM), C/del Dr. Aiguader 88, Barcelona 08003, Spain
| | - Fernando Rodríguez de Fonseca
- Instituto
de Investigación Biomédica de Málaga y Plataforma
en Nanomedicina-IBIMA Plataforma BIONAND, Hospital Universitario Regional de Málaga, UGC Salud Mental, Av. Carlos Haya 82, Málaga 29010, Spain
| | - Elena Baixeras
- Departamento
de Bioquímica y Biología Molecular, Facultad de Medicina, Universidad de Málaga, Campus Universitario
de Teatinos s/n, Málaga 29010, Spain
| | - Juan Decara
- Instituto
de Investigación Biomédica de Málaga y Plataforma
en Nanomedicina-IBIMA Plataforma BIONAND, Hospital Universitario Regional de Málaga, UGC Salud Mental, Av. Carlos Haya 82, Málaga 29010, Spain
- Departamento
de Anatomía Humana, Medicina Legal e Historia de la Ciencia,
Facultad de Medicina, Universidad de Málaga,
Campus Universitario de Teatinos s/n, Málaga 29010, Spain
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Gunasekaran M, Littel HR, Wells NM, Turner J, Campos G, Venigalla S, Estrella EA, Ghosh PS, Daugherty AL, Stafki SA, Kunkel LM, Foley AR, Donkervoort S, Bönnemann CG, Toledo-Bravo de Laguna L, Nascimento A, Benito DND, Draper I, Bruels CC, Pacak CA, Kang PB. Effects of HMGCR deficiency on skeletal muscle development. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.05.06.591934. [PMID: 38903061 PMCID: PMC11188090 DOI: 10.1101/2024.05.06.591934] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/22/2024]
Abstract
Pathogenic variants in HMGCR were recently linked to a limb-girdle muscular dystrophy (LGMD) phenotype. The protein product HMG CoA reductase (HMGCR) catalyzes a key component of the cholesterol synthesis pathway. The two other muscle diseases associated with HMGCR, statin-associated myopathy (SAM) and autoimmune anti-HMGCR myopathy, are not inherited in a Mendelian pattern. The mechanism linking pathogenic variants in HMGCR with skeletal muscle dysfunction is unclear. We knocked down Hmgcr in mouse skeletal myoblasts, knocked down hmgcr in Drosophila, and expressed three pathogenic HMGCR variants (c.1327C>T, p.Arg443Trp; c.1522_1524delTCT, p.Ser508del; and c.1621G>A, p.Ala541Thr) in Hmgcr knockdown mouse myoblasts. Hmgcr deficiency was associated with decreased proliferation, increased apoptosis, and impaired myotube fusion. Transcriptome sequencing of Hmgcr knockdown versus control myoblasts revealed differential expression involving mitochondrial function, with corresponding differences in cellular oxygen consumption rates. Both ubiquitous and muscle-specific knockdown of hmgcr in Drosophila led to lethality. Overexpression of reference HMGCR cDNA rescued myotube fusion in knockdown cells, whereas overexpression of the pathogenic variants of HMGCR cDNA did not. These results suggest that the three HMGCR-related muscle diseases share disease mechanisms related to skeletal muscle development.
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Tripathi S, Gupta E, Galande S. Statins as anti-tumor agents: A paradigm for repurposed drugs. Cancer Rep (Hoboken) 2024; 7:e2078. [PMID: 38711272 PMCID: PMC11074523 DOI: 10.1002/cnr2.2078] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Revised: 03/28/2024] [Accepted: 04/15/2024] [Indexed: 05/08/2024] Open
Abstract
BACKGROUND Statins, frequently prescribed medications, work by inhibiting the rate-limiting enzyme HMG-CoA reductase (HMGCR) in the mevalonate pathway to reduce cholesterol levels. Due to their multifaceted benefits, statins are being adapted for use as cost-efficient, safe and effective anti-cancer treatments. Several studies have shown that specific types of cancer are responsive to statin medications since they rely on the mevalonate pathway for their growth and survival. RECENT FINDINGS Statin are a class of drugs known for their potent inhibition of cholesterol production and are typically prescribed to treat high cholesterol levels. Nevertheless, there is growing interest in repurposing statins for the treatment of malignant neoplastic diseases, often in conjunction with chemotherapy and radiotherapy. The mechanism behind statin treatment includes targeting apoptosis through the BCL2 signaling pathway, regulating the cell cycle via the p53-YAP axis, and imparting epigenetic modulations by altering methylation patterns on CpG islands and histone acetylation by downregulating DNMTs and HDACs respectively. Notably, some studies have suggested a potential chemo-preventive effect, as decreased occurrence of tumor relapse and enhanced survival rate were reported in patients undergoing long-term statin therapy. However, the definitive endorsement of statin usage in cancer therapy hinges on population based clinical studies with larger patient cohorts and extended follow-up periods. CONCLUSIONS The potential of anti-cancer properties of statins seems to reach beyond their influence on cholesterol production. Further investigations are necessary to uncover their effects on cancer promoting signaling pathways. Given their distinct attributes, statins might emerge as promising contenders in the fight against tumorigenesis, as they appear to enhance the efficacy and address the limitations of conventional cancer treatments.
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Affiliation(s)
- Sneha Tripathi
- Laboratory of Chromatin Biology & EpigeneticsIndian Institute of Science Education and ResearchPuneIndia
| | - Ekta Gupta
- Laboratory of Chromatin Biology & EpigeneticsIndian Institute of Science Education and ResearchPuneIndia
| | - Sanjeev Galande
- Laboratory of Chromatin Biology & EpigeneticsIndian Institute of Science Education and ResearchPuneIndia
- Centre of Excellence in Epigenetics, Department of Life SciencesShiv Nadar Institution of EminenceGautam Buddha NagarIndia
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35
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Koumas C, Michelassi F. Immune-Mediated Necrotizing Myopathies: Current Landscape. Curr Neurol Neurosci Rep 2024; 24:141-150. [PMID: 38589696 DOI: 10.1007/s11910-024-01337-y] [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] [Accepted: 03/11/2024] [Indexed: 04/10/2024]
Abstract
PURPOSE OF REVIEW Immune-mediated necrotizing myopathy (IMNM), characterized by acute or subacute onset, severe weakness, and elevated creatine kinase levels, poses diagnostic and therapeutic challenges. This article provides a succinct overview of IMNM, including clinical features, diagnostic strategies, and treatment approaches. RECENT FINDINGS Recent insights highlight the different clinical presentations and therapeutic options of IMNM stratified by autoantibody positivity and type. Additionally, recent findings call into question the reported link between statin use and IMNM. This review synthesizes current knowledge on IMNM, emphasizing its distinct clinical features and challenging management. The evolving understanding of IMNM underscores the need for a comprehensive diagnostic approach that utilizes a growing range of modalities. Early and aggressive immunomodulatory therapy remains pivotal. Ongoing research aims to refine diagnostic tools and therapeutic interventions for this challenging muscle disorder, underscoring the importance of advancing our understanding to enhance patient outcomes.
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Affiliation(s)
- Christoforos Koumas
- Department of Neurology, Columbia University Medical Center, New York, NY, USA.
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36
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Ma S, Ming Y, Wu J, Cui G. Cellular metabolism regulates the differentiation and function of T-cell subsets. Cell Mol Immunol 2024; 21:419-435. [PMID: 38565887 PMCID: PMC11061161 DOI: 10.1038/s41423-024-01148-8] [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: 12/28/2023] [Accepted: 02/23/2024] [Indexed: 04/04/2024] Open
Abstract
T cells are an important component of adaptive immunity and protect the host from infectious diseases and cancers. However, uncontrolled T cell immunity may cause autoimmune disorders. In both situations, antigen-specific T cells undergo clonal expansion upon the engagement and activation of antigens. Cellular metabolism is reprogrammed to meet the increase in bioenergetic and biosynthetic demands associated with effector T cell expansion. Metabolites not only serve as building blocks or energy sources to fuel cell growth and expansion but also regulate a broad spectrum of cellular signals that instruct the differentiation of multiple T cell subsets. The realm of immunometabolism research is undergoing swift advancements. Encapsulating all the recent progress within this concise review in not possible. Instead, our objective is to provide a succinct introduction to this swiftly progressing research, concentrating on the metabolic intricacies of three pivotal nutrient classes-lipids, glucose, and amino acids-in T cells. We shed light on recent investigations elucidating the roles of these three groups of metabolites in mediating the metabolic and immune functions of T cells. Moreover, we delve into the prospect of "editing" metabolic pathways within T cells using pharmacological or genetic approaches, with the aim of synergizing this approach with existing immunotherapies and enhancing the efficacy of antitumor and antiinfection immune responses.
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Affiliation(s)
- Sicong Ma
- Key Laboratory of Immune Response and Immunotherapy, Center for Advanced Interdisciplinary Science and Biomedicine of IHM, School of Basic Medical Sciences, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, 230601, China
| | - Yanan Ming
- Key Laboratory of Immune Response and Immunotherapy, Center for Advanced Interdisciplinary Science and Biomedicine of IHM, School of Basic Medical Sciences, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, 230601, China
| | - Jingxia Wu
- Key Laboratory of Immune Response and Immunotherapy, Center for Advanced Interdisciplinary Science and Biomedicine of IHM, School of Basic Medical Sciences, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, 230601, China.
| | - Guoliang Cui
- Key Laboratory of Immune Response and Immunotherapy, Center for Advanced Interdisciplinary Science and Biomedicine of IHM, School of Basic Medical Sciences, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, 230601, China.
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Prajapathi S, Kapoor A, Agarwal SK, Tewari P, Pande S, Chandra B, Sahu A, Khanna R, Kumar S, Garg N, Tewari S. Does high dose statin pretreatment affect global strains in patients undergoing valve replacement. Indian J Thorac Cardiovasc Surg 2024; 40:300-310. [PMID: 38681712 PMCID: PMC11045680 DOI: 10.1007/s12055-023-01652-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Revised: 11/08/2023] [Accepted: 11/09/2023] [Indexed: 05/01/2024] Open
Abstract
Purpose To study the effect of rosuvastatin 40 mg (initiated 7 days prior to surgery) in patients undergoing valve replacement (VR) for rheumatic mitral valve disease on left ventricular (LV) strain and biomarker release kinetics. Methods In this randomized study, cardiac biomarkers viz. troponin I (TnI), Creatine kinase MB (CK-MB), N-terminal pro B-type natriuretic peptide (NTPBNP) were measured before surgery; and 8, 24 and 48 h postoperatively. Global LV (circumferential, global circumferential strain (GCS); longitudinal, GLS; radial, global radial strain (GRS)) strains were measured preoperatively; and 48 h and 30 days postoperatively. Results Following VR, Global Longitudinal Strain (GLS), Global Circumferential Strain (GCS) and Global Radial Strain (GRS) declined at 48 h in both statin loaded (SL) and non loaded (NL) groups. The %decline in strain was significantly lower in SL group (% change in GLS 35.8% vs 38.8%, GCS 34% vs 44.1%, GRS 45.7% vs 52.6%; p < 0.001).All strain values improved at 30 days with higher improvement in SL group (GLS -15.92 ± 2.00% vs -12.6 ± 1.66%, GCS -15.12 ± 2.93% vs -13.04 ± 2.44%; GRS 22.12 ± 6.85% vs 19.32 ± 6.48%). While TnI, CKMB, NTPBNP increased following surgery, values at 8, 24 and 48 h were lower in the SL vs. NL group. Mean change (baseline to peak biomarker value) was also significantly lower in SL group.The SL group had shorter hospital and Intensive Care Unit (ICU) stay. On Receiver Operating Characteristic Curve (ROC) analysis, baseline GCS ≤ 14% best predicted postoperative 30 day Left Ventricular Ejection Fraction (LVEF) ≤ 50%. Conclusion Pre-operative high dose rosuvastatin was "cardioprotective" with favorable effect on LV global strain and release kinetics of biomarkers. These cut-offs (described for the first time for rheumatic VR) can be used as prognostic predictors.
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Affiliation(s)
- Sudesh Prajapathi
- Department of Cardiology, Sanjay Gandhi PGIMS, Lucknow, 226014 India
| | - Aditya Kapoor
- Department of Cardiology, Sanjay Gandhi PGIMS, Lucknow, 226014 India
| | | | - Prabhat Tewari
- Cardiac Anesthesia, Sanjay Gandhi PGIMS, Lucknow, 226014 India
| | - Shantanu Pande
- Cardiovascular and Thoracic Surgery, Sanjay Gandhi PGIMS, Lucknow, 226014 India
| | - Bipin Chandra
- Cardiovascular and Thoracic Surgery, Sanjay Gandhi PGIMS, Lucknow, 226014 India
| | - Ankit Sahu
- Department of Cardiology, Sanjay Gandhi PGIMS, Lucknow, 226014 India
| | - Roopali Khanna
- Department of Cardiology, Sanjay Gandhi PGIMS, Lucknow, 226014 India
| | - Sudeep Kumar
- Department of Cardiology, Sanjay Gandhi PGIMS, Lucknow, 226014 India
| | - Naveen Garg
- Department of Cardiology, Sanjay Gandhi PGIMS, Lucknow, 226014 India
| | - Satyendra Tewari
- Department of Cardiology, Sanjay Gandhi PGIMS, Lucknow, 226014 India
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Liu X, Chen H, Ye G, Liu H, Feng C, Chen W, Hu L, Zhou Q, Zhang Z, Li J, Zhang X, He X, Guan Y, Wu Z, Zhao D, Bu Z, Weng C, Huang L. African swine fever virus pB318L, a trans-geranylgeranyl-diphosphate synthase, negatively regulates cGAS-STING and IFNAR-JAK-STAT signaling pathways. PLoS Pathog 2024; 20:e1012136. [PMID: 38620034 PMCID: PMC11018288 DOI: 10.1371/journal.ppat.1012136] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2023] [Accepted: 03/18/2024] [Indexed: 04/17/2024] Open
Abstract
African swine fever (ASF) is an acute, hemorrhagic, and severe infectious disease caused by the ASF virus (ASFV). ASFV has evolved multiple strategies to escape host antiviral immune responses. Here, we reported that ASFV pB318L, a trans-geranylgeranyl-diphosphate synthase, reduced the expression of type I interferon (IFN-I) and IFN-stimulated genes (ISGs). Mechanically, pB318L not only interacted with STING to reduce the translocation of STING from the endoplasmic reticulum to the Golgi apparatus but also interacted with IFN receptors to reduce the interaction of IFNAR1/TYK2 and IFNAR2/JAK1. Of note, ASFV with interruption of B318L gene (ASFV-intB318L) infected PAMs produces more IFN-I and ISGs than that in PAMs infected with its parental ASFV HLJ/18 at the late stage of infection. Consistently, the pathogenicity of ASFV-intB318L is attenuated in piglets compared with its parental virus. Taken together, our data reveal that B318L gene may partially affect ASFV pathogenicity by reducing the production of IFN-I and ISGs. This study provides a clue to design antiviral agents or live attenuated vaccines to prevent and control ASF.
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Affiliation(s)
- Xiaohong Liu
- National African Swine Fever Para-reference Laboratory, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin, China
| | - Hefeng Chen
- National African Swine Fever Para-reference Laboratory, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin, China
| | - Guangqiang Ye
- National African Swine Fever Para-reference Laboratory, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin, China
| | - Hongyang Liu
- National African Swine Fever Para-reference Laboratory, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin, China
| | - Chunying Feng
- National African Swine Fever Para-reference Laboratory, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin, China
| | - Weiye Chen
- National African Swine Fever Para-reference Laboratory, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin, China
| | - Liang Hu
- National African Swine Fever Para-reference Laboratory, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin, China
| | - Qiongqiong Zhou
- National African Swine Fever Para-reference Laboratory, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin, China
| | - Zhaoxia Zhang
- National African Swine Fever Para-reference Laboratory, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin, China
- Heilongjiang Provincial Key Laboratory of Veterinary Immunology, Harbin, China
| | - Jiangnan Li
- National African Swine Fever Para-reference Laboratory, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin, China
- Heilongjiang Provincial Key Laboratory of Veterinary Immunology, Harbin, China
| | - Xianfeng Zhang
- National African Swine Fever Para-reference Laboratory, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin, China
| | - Xijun He
- National African Swine Fever Para-reference Laboratory, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin, China
| | - Yuntao Guan
- National African Swine Fever Para-reference Laboratory, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin, China
| | - Zhengshuang Wu
- National African Swine Fever Para-reference Laboratory, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin, China
| | - Dongming Zhao
- National African Swine Fever Para-reference Laboratory, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin, China
| | - Zhigao Bu
- National African Swine Fever Para-reference Laboratory, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin, China
| | - Changjiang Weng
- National African Swine Fever Para-reference Laboratory, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin, China
- Heilongjiang Provincial Key Laboratory of Veterinary Immunology, Harbin, China
| | - Li Huang
- National African Swine Fever Para-reference Laboratory, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin, China
- Heilongjiang Provincial Key Laboratory of Veterinary Immunology, Harbin, China
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Muzammil K, Hooshiar MH, Varmazyar S, Omar TM, Karim MM, Aadi S, Kalavi S, Yasamineh S. Potential use of proprotein convertase subtilisin/kexin type 9 (PCSK9) inhibition and prevention method in viral infection. Microb Cell Fact 2024; 23:90. [PMID: 38528584 PMCID: PMC10962113 DOI: 10.1186/s12934-024-02355-8] [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: 01/09/2024] [Accepted: 03/03/2024] [Indexed: 03/27/2024] Open
Abstract
Cellular lipid membranes serve as the primary barrier preventing viral infection of the host cell and provide viruses with a critical initial point of contact. Occasionally, viruses can utilize lipids as viral receptors. Viruses depend significantly on lipid rafts for infection at virtually every stage of their life cycle. The pivotal role that proprotein convertase subtilisin/kexin Type 9 (PCSK9) plays in cholesterol homeostasis and atherosclerosis, primarily by post-transcriptionally regulating hepatic low-density lipoprotein receptor (LDLR) and promoting its lysosomal degradation, has garnered increasing interest. Conversely, using therapeutic, fully humanized antibodies to block PCSK9 leads to a significant reduction in high LDL cholesterol (LDL-C) levels. The Food and Drug Administration (FDA) has approved PCSK9 inhibitors, including inclisiran (Leqvio®), alirocumab (Praluent), and evolocumab (Repatha). At present, active immunization strategies targeting PCSK9 present a compelling substitute for passive immunization through the administration of antibodies. In addition to the current inquiry into the potential therapeutic application of PCSK9 inhibition in human immunodeficiency virus (HIV)-infected patients for hyperlipidemia associated with HIV and antiretroviral therapy (ART), preclinical research suggests that PCSK9 may also play a role in inhibiting hepatitis C virus (HCV) replication. Furthermore, PCSK9 inhibition has been suggested to protect against dengue virus (DENV) potentially and severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) viruses. Recent evidence regarding the impact of PCSK9 on a variety of viral infections, including HCV, HIV, DENV, and SARS-CoV-2, is examined in this article. As a result, PCSK9 inhibitors and vaccines may serve as viable host therapies for viral infections, as our research indicates that PCSK9 is significantly involved in the pathogenesis of viral infections.
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Affiliation(s)
- Khursheed Muzammil
- Department of Public Health, College of Applied Medical Sciences, King Khalid University, Khamis Mushait Campus, Abha, KSA, Saudi Arabia
| | | | - Shirin Varmazyar
- Department of Medicine, Shahroud Islamic azad university of medical sciences, Sharoud, Iran
| | - Thabit Moath Omar
- Department of Medical Laboratory Technics, Al-Noor University College, Nineveh, Iraq
| | - Manal Morad Karim
- Collage of Pharmacy, National University of Science and Technology, Dhi Qar, 64001, Iraq
| | - Sadeq Aadi
- College of Dentistry, Al-Mustaqbal University, Babylon, 51001, Iraq
| | - Shaylan Kalavi
- Department of Clinical Pharmacy, faculty of pharmacy, Islamic Azad University of Medical Sciences, Tehran, Iran.
| | - Saman Yasamineh
- Young Researchers and Elite Club, Tabriz Branch, Islamic Azad University, Tabriz, Iran.
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Gao W, Lu J, Yang Z, Li E, Cao Y, Xie L. Mitotic Functions and Characters of KIF11 in Cancers. Biomolecules 2024; 14:386. [PMID: 38672404 PMCID: PMC11047945 DOI: 10.3390/biom14040386] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2024] [Revised: 03/20/2024] [Accepted: 03/20/2024] [Indexed: 04/28/2024] Open
Abstract
Mitosis mediates the accurate separation of daughter cells, and abnormalities are closely related to cancer progression. KIF11, a member of the kinesin family, plays a vital role in the formation and maintenance of the mitotic spindle. Recently, an increasing quantity of data have demonstrated the upregulated expression of KIF11 in various cancers, promoting the emergence and progression of cancers. This suggests the great potential of KIF11 as a prognostic biomarker and therapeutic target. However, the molecular mechanisms of KIF11 in cancers have not been systematically summarized. Therefore, we first discuss the functions of the protein encoded by KIF11 during mitosis and connect the abnormal expression of KIF11 with its clinical significance. Then, we elucidate the mechanism of KIF11 to promote various hallmarks of cancers. Finally, we provide an overview of KIF11 inhibitors and outline areas for future work.
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Affiliation(s)
| | | | | | | | - Yufei Cao
- Department of Biochemistry and Molecular Biology, Shantou University Medical College, Shantou 515041, China; (W.G.); (J.L.); (Z.Y.); (E.L.)
| | - Lei Xie
- Department of Biochemistry and Molecular Biology, Shantou University Medical College, Shantou 515041, China; (W.G.); (J.L.); (Z.Y.); (E.L.)
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41
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Tang WJ, Xu D, Liang MX, Wo GQ, Chen WQ, Tang JH, Zhang W. Pitavastatin induces autophagy-dependent ferroptosis in MDA-MB-231 cells via the mevalonate pathway. Heliyon 2024; 10:e27084. [PMID: 38444467 PMCID: PMC10912485 DOI: 10.1016/j.heliyon.2024.e27084] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Revised: 02/04/2024] [Accepted: 02/23/2024] [Indexed: 03/07/2024] Open
Abstract
Triple-negative breast cancer (TNBC) is more prone to recurrence and metastasis relative to other subtypes of breast cancer, leading to an extremely poor prognosis. The increasing potential chemoresistance of TNBC patients is mainly due to that tumor cells escape from apoptosis. In recent years, statins have demonstrated extensive anti-tumor effects. It is worth noting that statins have more effective anti-tumor effects on TNBC cells and drug-resistant breast cancer cells. Therefore, this study examines the superior cytotoxic effects of statins on TNBC cell lines and further explores their potential therapeutic mechanisms. We detected different cell phenotypes and found that statins significantly reduced the cell viability of TNBC cells. Specifically, pitavastatin showed an obvious induction in cell death, cell cycle arrest and oxidative stress in TNBC MDA-MB-231 cells. The reversal effect of iron chelator desferrioxamine (DFO) on the morphological and molecular biological changes induced by pitavastatin has revealed a new mode of cell death induced by pitavastatin: ferroptosis. This ferroptotic effect was strengthened by the decreased expression of glutathione peroxidase 4 (GPx4) as well as newly discovered ferroptosis suppressor protein 1 (FSP1). The data showed that ferroptotic death of MDA-MB-231 cells is autophagy-dependent and mediated by the mevalonate pathway. Finally, we found that therapeutic oral doses of statins can inhibit the growth of transplanted tumors, which establishes statins as a potential treatment for TNBC patients. In conclusion, we found pitavastatin could induce autophagy-dependent ferroptosis in TNBC cells via the mevalonate pathway which may become a potential adjuvant treatment option for TNBC patients.
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Affiliation(s)
- Wen-Juan Tang
- Department of Oncology, The Affiliated Taizhou People's Hospital of Nanjing Medical University, Taizhou, 225316, PR China
| | - Di Xu
- Department of General Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, PR China
| | - Ming-Xing Liang
- Department of General Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, PR China
| | - Guan-Qun Wo
- The First Clinical Medical College, Nanjing University of Chinese Medicine, Nanjing, 210023, PR China
| | - Wen-Quan Chen
- Department of General Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, PR China
| | - Jin-Hai Tang
- Department of General Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, PR China
| | - Wei Zhang
- Department of General Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, PR China
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42
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Yuan Y, Li P, Li J, Zhao Q, Chang Y, He X. Protein lipidation in health and disease: molecular basis, physiological function and pathological implication. Signal Transduct Target Ther 2024; 9:60. [PMID: 38485938 PMCID: PMC10940682 DOI: 10.1038/s41392-024-01759-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2023] [Revised: 12/31/2023] [Accepted: 01/24/2024] [Indexed: 03/18/2024] Open
Abstract
Posttranslational modifications increase the complexity and functional diversity of proteins in response to complex external stimuli and internal changes. Among these, protein lipidations which refer to lipid attachment to proteins are prominent, which primarily encompassing five types including S-palmitoylation, N-myristoylation, S-prenylation, glycosylphosphatidylinositol (GPI) anchor and cholesterylation. Lipid attachment to proteins plays an essential role in the regulation of protein trafficking, localisation, stability, conformation, interactions and signal transduction by enhancing hydrophobicity. Accumulating evidence from genetic, structural, and biomedical studies has consistently shown that protein lipidation is pivotal in the regulation of broad physiological functions and is inextricably linked to a variety of diseases. Decades of dedicated research have driven the development of a wide range of drugs targeting protein lipidation, and several agents have been developed and tested in preclinical and clinical studies, some of which, such as asciminib and lonafarnib are FDA-approved for therapeutic use, indicating that targeting protein lipidations represents a promising therapeutic strategy. Here, we comprehensively review the known regulatory enzymes and catalytic mechanisms of various protein lipidation types, outline the impact of protein lipidations on physiology and disease, and highlight potential therapeutic targets and clinical research progress, aiming to provide a comprehensive reference for future protein lipidation research.
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Affiliation(s)
- Yuan Yuan
- Department of Gastroenterology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Peiyuan Li
- Department of Gastroenterology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jianghui Li
- Department of Gastroenterology, Zhongnan Hospital of Wuhan University, Wuhan, China
- Hubei Clinical Center and Key Laboratory of Intestinal and Colorectal Diseases, Wuhan, China
| | - Qiu Zhao
- Department of Gastroenterology, Zhongnan Hospital of Wuhan University, Wuhan, China.
- Hubei Clinical Center and Key Laboratory of Intestinal and Colorectal Diseases, Wuhan, China.
| | - Ying Chang
- Department of Gastroenterology, Zhongnan Hospital of Wuhan University, Wuhan, China.
- Hubei Clinical Center and Key Laboratory of Intestinal and Colorectal Diseases, Wuhan, China.
| | - Xingxing He
- Department of Gastroenterology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
- Department of Gastroenterology, Zhongnan Hospital of Wuhan University, Wuhan, China.
- Hubei Clinical Center and Key Laboratory of Intestinal and Colorectal Diseases, Wuhan, China.
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43
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Suazo KF, Mishra V, Maity S, Auger SA, Justyna K, Petre A, Ottoboni L, Ongaro J, Corti SP, Lotti F, Przedborski S, Distefano MD. Improved synthesis and application of an alkyne-functionalized isoprenoid analogue to study the prenylomes of motor neurons, astrocytes and their stem cell progenitors. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.03.03.583211. [PMID: 38496415 PMCID: PMC10942399 DOI: 10.1101/2024.03.03.583211] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/19/2024]
Abstract
Protein prenylation is one example of a broad class of post-translational modifications where proteins are covalently linked to various hydrophobic moieties. To globally identify and monitor levels of all prenylated proteins in a cell simultaneously, our laboratory and others have developed chemical proteomic approaches that rely on the metabolic incorporation of isoprenoid analogues bearing bio-orthogonal functionality followed by enrichment and subsequent quantitative proteomic analysis. Here, several improvements in the synthesis of the alkyne-containing isoprenoid analogue C15AlkOPP are reported to improve synthetic efficiency. Next, metabolic labeling with C15AlkOPP was optimized to obtain useful levels of metabolic incorporation of the probe in several types of primary cells. Those conditions were then used to study the prenylomes of motor neurons (ES-MNs), astrocytes (ES-As), and their embryonic stem cell progenitors (ESCs), which allowed for the identification of 54 prenylated proteins from ESCs, 50 from ES-MNs and 84 from ES-As, representing all types of prenylation. Bioinformatic analysis revealed specific enriched pathways, including nervous system development, chemokine signaling, Rho GTPase signaling, and adhesion. Hierarchical clustering showed that most enriched pathways in all three cell types are related to GTPase activity and vesicular transport. In contrast, STRING analysis showed significant interactions in two populations that appear to be cell type dependent. The data provided herein demonstrates that robust incorporation of C15AlkOPP can be obtained in ES-MNs and related primary cells purified via magnetic-activated cell sorting allowing the identification and quantification of numerous prenylated proteins. These results suggest that metabolic labeling with C15AlkOPP should be an effective approach for investigating the role of prenylated proteins in primary cells in both normal cells and disease pathologies, including ALS.
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Affiliation(s)
- Kiall F Suazo
- Department of Chemistry, University of Minnesota, Minneapolis, MN USA 55455
| | - Vartika Mishra
- Center for Motor Neuron Biology and Diseases, Department of Neurology. Columbia University Irving Medical Center. New York, NY 10032
- Department of Pathology & Cell Biology. Columbia University Irving Medical Center. New York, NY 10032
| | - Sanjay Maity
- Department of Chemistry, University of Minnesota, Minneapolis, MN USA 55455
| | - Shelby A Auger
- Department of Chemistry, University of Minnesota, Minneapolis, MN USA 55455
| | - Katarzyna Justyna
- Department of Chemistry, University of Minnesota, Minneapolis, MN USA 55455
| | - Alex Petre
- Department of Chemistry, University of Minnesota, Minneapolis, MN USA 55455
| | - Linda Ottoboni
- Department of Pathophysiology and Transplantation, Dino Ferrari Center, Università degli Studi di Milano, Milan, Italy
| | - Jessica Ongaro
- Neurology Unit, Foundation IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Stefania P Corti
- Department of Pathophysiology and Transplantation, Dino Ferrari Center, Università degli Studi di Milano, Milan, Italy
- Neurology Unit, Foundation IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
- Neuromuscular and Rare Diseases Unit, Department of Neuroscience, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Francesco Lotti
- Center for Motor Neuron Biology and Diseases, Department of Neurology. Columbia University Irving Medical Center. New York, NY 10032
- Department of Pathology & Cell Biology. Columbia University Irving Medical Center. New York, NY 10032
| | - Serge Przedborski
- Center for Motor Neuron Biology and Diseases, Department of Neurology. Columbia University Irving Medical Center. New York, NY 10032
- Department of Pathology & Cell Biology. Columbia University Irving Medical Center. New York, NY 10032
- Department of Neuroscience, Pathology, and Cell Biology, Columbia University Irving Medical Center, New York, NY 10032
| | - Mark D Distefano
- Department of Chemistry, University of Minnesota, Minneapolis, MN USA 55455
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Dominiak K, Galganski L, Budzinska A, Jarmuszkiewicz W. Coenzyme Q deficiency in endothelial mitochondria caused by hypoxia; remodeling of the respiratory chain and sensitivity to anoxia/reoxygenation. Free Radic Biol Med 2024; 214:158-170. [PMID: 38364943 DOI: 10.1016/j.freeradbiomed.2024.02.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/10/2024] [Revised: 02/06/2024] [Accepted: 02/07/2024] [Indexed: 02/18/2024]
Abstract
This study examined the effects of hypoxia on coenzyme Q (Q) levels and mitochondrial function in EA. hy926 endothelial cells, shedding light on their responses to changes in oxygen levels. Chronic hypoxia during endothelial cell culture reduced Q synthesis by reducing hydroxy-methylglutaryl-CoA reductase (HMGCR) levels via hypoxia-inducible factor 1α (HIF1α), leading to severe Q deficiency. In endothelial mitochondria, hypoxia led to reorganization of the respiratory chain through upregulation of supercomplexes (I+III2+IV), forming a complete mitochondrial Q (mQ)-mediated electron transfer pathway. Mitochondria of endothelial cells cultured under hypoxic conditions showed reduced respiratory rates and membrane potential, as well as increased production of mitochondrial reactive oxygen species (mROS) as a result of increased mQ reduction levels (mQH2/mQtot). Anoxia/reoxygenation (A/R) in vitro caused impairment of endothelial mitochondria, manifested by reduced maximal respiration, complex III activity, membrane potential, coupling parameters, and increased mQ reduction and mROS production. Weaker A/R-induced changes compared to control mitochondria indicated better tolerance of A/R stress by the mitochondria of hypoxic cells. Moreover, in endothelial mitochondria, hypoxia-induced increases in uncoupling protein 3 (UCP3) and mitochondrial large-conductance Ca2+-activated potassium channel (mitoBKCa) levels and activities appear to have alleviated reoxygenation injury after A/R. These results not only highlight hypoxia-induced changes in mQ redox homeostasis and related mitochondrial function, but also indicate that chronic hypoxia during endothelial cell culture leads to mitochondrial adaptations that help mitochondria better withstand subsequent oxygen fluctuations.
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Affiliation(s)
- Karolina Dominiak
- Laboratory of Mitochondrial Biochemistry, Department of Bioenergetics, Faculty of Biology, Adam Mickiewicz University, Poznan, Poland.
| | - Lukasz Galganski
- Laboratory of Mitochondrial Biochemistry, Department of Bioenergetics, Faculty of Biology, Adam Mickiewicz University, Poznan, Poland.
| | - Adrianna Budzinska
- Laboratory of Mitochondrial Biochemistry, Department of Bioenergetics, Faculty of Biology, Adam Mickiewicz University, Poznan, Poland.
| | - Wieslawa Jarmuszkiewicz
- Laboratory of Mitochondrial Biochemistry, Department of Bioenergetics, Faculty of Biology, Adam Mickiewicz University, Poznan, Poland.
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Tamang A, Kaur A, Thakur D, Thakur A, Thakur BK, Shivani, Swarnkar M, Pal PK, Hallan V, Pandey SS. Unraveling endophytic diversity in dioecious Siraitia grosvenorii: implications for mogroside production. Appl Microbiol Biotechnol 2024; 108:247. [PMID: 38427084 PMCID: PMC10907472 DOI: 10.1007/s00253-024-13076-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2023] [Revised: 01/04/2024] [Accepted: 02/16/2024] [Indexed: 03/02/2024]
Abstract
Host and tissue-specificity of endophytes are important attributes that limit the endophyte application on multiple crops. Therefore, understanding the endophytic composition of the targeted crop is essential, especially for the dioecious plants where the male and female plants are different. Here, efforts were made to understand the endophytic bacterial composition of the dioecious Siraitia grosvenorii plant using 16S rRNA amplicon sequencing. The present study revealed the association of distinct endophytic bacterial communities with different parts of male and female plants. Roots of male and female plants had a higher bacterial diversity than other parts of plants, and the roots of male plants had more bacterial diversity than the roots of female plants. Endophytes belonging to the phylum Proteobacteria were abundant in all parts of male and female plants except male stems and fruit pulp, where the Firmicutes were most abundant. Class Gammaproteobacteria predominated in both male and female plants, with the genus Acinetobacter as the most dominant and part of the core microbiome of the plant (present in all parts of both, male and female plants). The presence of distinct taxa specific to male and female plants was also identified. Macrococcus, Facklamia, and Propionibacterium were the distinct genera found only in fruit pulp, the edible part of S. grosvenorii. Predictive functional analysis revealed the abundance of enzymes of secondary metabolite (especially mogroside) biosynthesis in the associated endophytic community with predominance in roots. The present study revealed bacterial endophytic communities of male and female S. grosvenorii plants that can be further explored for monk fruit cultivation, mogroside production, and early-stage identification of male and female plants. KEY POINTS: • Male and female Siraitia grosvenorii plants had distinct endophytic communities • The diversity of endophytic communities was specific to different parts of plants • S. grosvenorii-associated endophytes may be valuable for mogroside biosynthesis and monk fruit cultivation.
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Affiliation(s)
- Anish Tamang
- Biotechnology Division, CSIR-Institute of Himalayan Bioresource Technology (IHBT), Palampur, 176061, HP, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Amanpreet Kaur
- Biotechnology Division, CSIR-Institute of Himalayan Bioresource Technology (IHBT), Palampur, 176061, HP, India
| | - Deepali Thakur
- Biotechnology Division, CSIR-Institute of Himalayan Bioresource Technology (IHBT), Palampur, 176061, HP, India
| | - Ankita Thakur
- Biotechnology Division, CSIR-Institute of Himalayan Bioresource Technology (IHBT), Palampur, 176061, HP, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Babit Kumar Thakur
- Agrotechnology Division, CSIR-Institute of Himalayan Bioresource Technology (IHBT), Palampur, 176061, HP, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Shivani
- Agrotechnology Division, CSIR-Institute of Himalayan Bioresource Technology (IHBT), Palampur, 176061, HP, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Mohit Swarnkar
- Biotechnology Division, CSIR-Institute of Himalayan Bioresource Technology (IHBT), Palampur, 176061, HP, India
| | - Probir K Pal
- Agrotechnology Division, CSIR-Institute of Himalayan Bioresource Technology (IHBT), Palampur, 176061, HP, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Vipin Hallan
- Biotechnology Division, CSIR-Institute of Himalayan Bioresource Technology (IHBT), Palampur, 176061, HP, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Shiv Shanker Pandey
- Biotechnology Division, CSIR-Institute of Himalayan Bioresource Technology (IHBT), Palampur, 176061, HP, India.
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India.
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46
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Li Y, Huang Q, Zeng X, Wang R, Li W. Population Pharmacokinetics of Atorvastatin in High-Altitude and Plain Patients with Hyperlipidemic. J Clin Pharmacol 2024; 64:345-352. [PMID: 37864509 DOI: 10.1002/jcph.2376] [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: 06/27/2023] [Accepted: 10/12/2023] [Indexed: 10/23/2023]
Abstract
The pharmacokinetic (PK) characteristics of drugs were altered under high-altitude hypoxia. We aim to describe the population PK of atorvastatin (ATV) to identify patient characteristics that are predictive of variability in the PK parameters of the ATV and investigate the effects of high-altitude hypoxia on the blood concentration of ATV in patients with hyperlipidemia. A total of 160 plasma concentrations were collected from 40 patients with hyperlipidemia in plateau areas and 40 in plain areas. The population pharmacokinetic model of patients with hyperlipidemia in plateau and plain areas of China was established by a nonlinear mixed-effects model. The PK of ATV were described by a 1-compartment model with first-order elimination. The main PK parameters of ATV were the first-order absorption rate (0.76 hour-1 fixed); clearance (174.22 L/h) and apparent volume of distribution (1119.62 L). The values of area and age were identified as significant covariates for the clearance, area, age, and urea for the volume of distribution. The steady-state peak concentration in the plateau area was higher than that in the plain area. This study may suggest dose reduction is necessary for patients with hyperlipidemia in high altitudes.
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Affiliation(s)
- Yu Li
- Department of Pharmacy, The 940th Hospital of Joint Logistics Support Force of Chinese People's Liberation Army, Lanzhou, China
- School of Pharmacy, Ningxia Medical University, Ningxia, China
| | - Qin Huang
- Department of Pharmacy, The 940th Hospital of Joint Logistics Support Force of Chinese People's Liberation Army, Lanzhou, China
| | - Xianghai Zeng
- Department of Pharmacy, The 940th Hospital of Joint Logistics Support Force of Chinese People's Liberation Army, Lanzhou, China
- School of Pharmacy, Ningxia Medical University, Ningxia, China
| | - Rong Wang
- Department of Pharmacy, The 940th Hospital of Joint Logistics Support Force of Chinese People's Liberation Army, Lanzhou, China
| | - Wenbin Li
- Department of Pharmacy, The 940th Hospital of Joint Logistics Support Force of Chinese People's Liberation Army, Lanzhou, China
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Wang Z, Qiu H, Li Y, Zhao M, Liu R. GlPRMT5 inhibits GlPP2C1 via symmetric dimethylation and regulates the biosynthesis of secondary metabolites in Ganoderma lucidum. Commun Biol 2024; 7:241. [PMID: 38418849 PMCID: PMC10902306 DOI: 10.1038/s42003-024-05942-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Accepted: 02/20/2024] [Indexed: 03/02/2024] Open
Abstract
PRMT5, a type II arginine methyltransferase, is involved in transcriptional regulation, RNA processing and other biological processes and signal transduction. Secondary metabolites are vital pharmacological compounds in Ganoderma lucidum, and their content is an important indicator for evaluating the quality of G. lucidum. Here, we found that GlPRMT5 negatively regulates the biosynthesis of secondary metabolites. In further in-depth research, GlPP2C1 (a type 2C protein phosphatase) was identified out as an interacting protein of GlPRMT5 by immunoprecipitation-mass spectrometry (IP-MS). Further mass spectrometry detection revealed that GlPRMT5 symmetrically dimethylates the arginine 99 (R99) and arginine 493 (R493) residues of GlPP2C1 to weaken its activity. The symmetrical dimethylation modification of the R99 residue is the key to affecting GlPP2C1 activity. Symmetrical demethylation-modified GlPP2C1 does not affect the interaction with GlPRMT5. In addition, silencing GlPP2C1 clearly reduced GA content, indicating that GlPP2C1 positively regulates the biosynthesis of secondary metabolites in G. lucidum. In summary, this study reveals the molecular mechanism by which GlPRMT5 regulates secondary metabolites, and these studies provide further insights into the target proteins of GlPRMT5 and symmetric dimethylation sites. Furthermore, these studies provide a basis for the mutual regulation between different epigenetic modifications.
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Affiliation(s)
- Zi Wang
- Key Laboratory of Agricultural Environmental Microbiology, Ministry of Agriculture and Rural Affairs; Microbiology Department, College of Life Sciences, Nanjing Agricultural University, Nanjing, 210095, Jiangsu, P.R. China
| | - Hao Qiu
- Key Laboratory of Agricultural Environmental Microbiology, Ministry of Agriculture and Rural Affairs; Microbiology Department, College of Life Sciences, Nanjing Agricultural University, Nanjing, 210095, Jiangsu, P.R. China
| | - Yefan Li
- Key Laboratory of Agricultural Environmental Microbiology, Ministry of Agriculture and Rural Affairs; Microbiology Department, College of Life Sciences, Nanjing Agricultural University, Nanjing, 210095, Jiangsu, P.R. China
| | - Mingwen Zhao
- Key Laboratory of Agricultural Environmental Microbiology, Ministry of Agriculture and Rural Affairs; Microbiology Department, College of Life Sciences, Nanjing Agricultural University, Nanjing, 210095, Jiangsu, P.R. China
| | - Rui Liu
- Key Laboratory of Agricultural Environmental Microbiology, Ministry of Agriculture and Rural Affairs; Microbiology Department, College of Life Sciences, Nanjing Agricultural University, Nanjing, 210095, Jiangsu, P.R. China.
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Zheng H, Yang Y, Hu Y, Shi J, Li Q, Wang Y, Xia Q, Guo P. Structural Characterization and Functional Analysis of Mevalonate Kinase from Tribolium castaneum (Red Flour Beetle). Int J Mol Sci 2024; 25:2552. [PMID: 38473803 DOI: 10.3390/ijms25052552] [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: 01/04/2024] [Revised: 02/15/2024] [Accepted: 02/16/2024] [Indexed: 03/14/2024] Open
Abstract
Mevalonate kinase (MevK) is an important enzyme in the mevalonate pathway that catalyzes the phosphorylation of mevalonate into phosphomevalonate and is involved in juvenile hormone biosynthesis. Herein, we present a structure model of MevK from the red flour beetle Tribolium castaneum (TcMevK), which adopts a compact α/β conformation that can be divided into two parts: an N-terminal domain and a C-terminal domain. A narrow, deep cavity accommodating the substrate and cofactor was observed at the junction between the two domains of TcMevK. Computational simulation combined with site-directed mutagenesis and biochemical analyses allowed us to define the binding mode of TcMevK to cofactors and substrates. Moreover, TcMevK showed optimal enzyme activity at pH 8.0 and an optimal temperature of 40 °C for mevalonate as the substrate. The expression profiles and RNA interference of TcMevK indicated its critical role in controlling juvenile hormone biosynthesis, as well as its participation in the production of other terpenoids in T. castaneum. These findings improve our understanding of the structural and biochemical features of insect Mevk and provide a structural basis for the design of MevK inhibitors.
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Affiliation(s)
- Haogang Zheng
- Integrative Science Center of Germplasm Creation in Western China (CHONGQING) Science City, Biological Science Research Center, Southwest University, Chongqing 400716, China
- Chongqing Key Laboratory of Sericultural Science, Chongqing Engineering and Technology Research Center for Novel Silk Materials, Southwest University, Chongqing 400715, China
| | - Yuanyuan Yang
- Integrative Science Center of Germplasm Creation in Western China (CHONGQING) Science City, Biological Science Research Center, Southwest University, Chongqing 400716, China
- Chongqing Key Laboratory of Sericultural Science, Chongqing Engineering and Technology Research Center for Novel Silk Materials, Southwest University, Chongqing 400715, China
| | - Ying Hu
- Integrative Science Center of Germplasm Creation in Western China (CHONGQING) Science City, Biological Science Research Center, Southwest University, Chongqing 400716, China
| | - Jiaxuan Shi
- Integrative Science Center of Germplasm Creation in Western China (CHONGQING) Science City, Biological Science Research Center, Southwest University, Chongqing 400716, China
- Chongqing Key Laboratory of Sericultural Science, Chongqing Engineering and Technology Research Center for Novel Silk Materials, Southwest University, Chongqing 400715, China
| | - Qiaohui Li
- Integrative Science Center of Germplasm Creation in Western China (CHONGQING) Science City, Biological Science Research Center, Southwest University, Chongqing 400716, China
- Chongqing Key Laboratory of Sericultural Science, Chongqing Engineering and Technology Research Center for Novel Silk Materials, Southwest University, Chongqing 400715, China
| | - Yuanqiang Wang
- School of Pharmacy and Bioengineering, Chongqing University of Technology, Chongqing 400054, China
| | - Qingyou Xia
- Integrative Science Center of Germplasm Creation in Western China (CHONGQING) Science City, Biological Science Research Center, Southwest University, Chongqing 400716, China
- Chongqing Key Laboratory of Sericultural Science, Chongqing Engineering and Technology Research Center for Novel Silk Materials, Southwest University, Chongqing 400715, China
| | - Pengchao Guo
- Integrative Science Center of Germplasm Creation in Western China (CHONGQING) Science City, Biological Science Research Center, Southwest University, Chongqing 400716, China
- Chongqing Key Laboratory of Sericultural Science, Chongqing Engineering and Technology Research Center for Novel Silk Materials, Southwest University, Chongqing 400715, China
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Wang J, Kunze M, Villoria-González A, Weinhofer I, Berger J. Peroxisomal Localization of a Truncated HMG-CoA Reductase under Low Cholesterol Conditions. Biomolecules 2024; 14:244. [PMID: 38397481 PMCID: PMC10886633 DOI: 10.3390/biom14020244] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2024] [Revised: 02/07/2024] [Accepted: 02/16/2024] [Indexed: 02/25/2024] Open
Abstract
3-hydroxy-3-methylglutaryl-CoA reductase (HMG-CoA reductase, HMGCR) is one of the rate-limiting enzymes in the mevalonate pathway required for cholesterol biosynthesis. It is an integral membrane protein of the endoplasmic reticulum (ER) but has occasionally been described in peroxisomes. By co-immunofluorescence microscopy using different HMGCR antibodies, we present evidence for a dual localization of HMGCR in the ER and peroxisomes in differentiated human monocytic THP-1 cells, primary human monocyte-derived macrophages and human primary skin fibroblasts under conditions of low cholesterol and statin treatment. Using density gradient centrifugation and Western blot analysis, we observed a truncated HMGCR variant of 76 kDa in the peroxisomal fractions, while a full-length HMGCR of 96 kDa was contained in fractions of the ER. In contrast to primary human control fibroblasts, peroxisomal HMGCR was not found in fibroblasts from patients suffering from type-1 rhizomelic chondrodysplasia punctata, who lack functional PEX7 and, thus, cannot import peroxisomal matrix proteins harboring a type-2 peroxisomal targeting signal (PTS2). Moreover, in the N-terminal region of the soluble 76 kDa C-terminal catalytic domain, we identified a PTS2-like motif, which was functional in a reporter context. We propose that under sterol-depleted conditions, part of the soluble HMGCR domain, which is released from the ER by proteolytic processing for further turnover, remains sufficiently long in the cytosol for peroxisomal import via a PTS2/PEX7-dependent mechanism. Altogether, our findings describe a dual localization of HMGCR under combined lipid depletion and statin treatment, adding another puzzle piece to the complex regulation of HMGCR.
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Affiliation(s)
| | | | | | | | - Johannes Berger
- Department of Pathobiology of the Nervous System, Center for Brain Research, Medical University of Vienna, 1090 Vienna, Austria
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50
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De Jesús-González LA, del Ángel RM, Palacios-Rápalo SN, Cordero-Rivera CD, Rodríguez-Carlos A, Trujillo-Paez JV, Farfan-Morales CN, Osuna-Ramos JF, Reyes-Ruiz JM, Rivas-Santiago B, León-Juárez M, García-Herrera AC, Ramos-Cortes AC, López-Gándara EA, Martínez-Rodríguez E. A Dual Pharmacological Strategy against COVID-19: The Therapeutic Potential of Metformin and Atorvastatin. Microorganisms 2024; 12:383. [PMID: 38399787 PMCID: PMC10893401 DOI: 10.3390/microorganisms12020383] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2023] [Revised: 01/31/2024] [Accepted: 02/11/2024] [Indexed: 02/25/2024] Open
Abstract
Metformin (MET) and atorvastatin (ATO) are promising treatments for COVID-19. This review explores the potential of MET and ATO, commonly prescribed for diabetes and dyslipidemia, respectively, as versatile medicines against SARS-CoV-2. Due to their immunomodulatory and antiviral capabilities, as well as their cost-effectiveness and ubiquitous availability, they are highly suitable options for treating the virus. MET's effect extends beyond managing blood sugar, impacting pathways that can potentially decrease the severity and fatality rates linked with COVID-19. It can partially block mitochondrial complex I and stimulate AMPK, which indicates that it can be used more widely in managing viral infections. ATO, however, impacts cholesterol metabolism, a crucial element of the viral replicative cycle, and demonstrates anti-inflammatory characteristics that could modulate intense immune reactions in individuals with COVID-19. Retrospective investigations and clinical trials show decreased hospitalizations, severity, and mortality rates in patients receiving these medications. Nevertheless, the journey from observing something to applying it in a therapeutic setting is intricate, and the inherent diversity of the data necessitates carefully executed, forward-looking clinical trials. This review highlights the requirement for efficacious, easily obtainable, and secure COVID-19 therapeutics and identifies MET and ATO as promising treatments in this worldwide health emergency.
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Affiliation(s)
- Luis Adrián De Jesús-González
- Unidad de Investigación Biomédica de Zacatecas, Instituto Mexicano del Seguro Social, Zacatecas 98000, Mexico; (A.R.-C.); (J.V.T.-P.); (B.R.-S.); (A.C.G.-H.); (A.C.R.-C.); (E.A.L.-G.); (E.M.-R.)
- Department of Infectomics and Molecular Pathogenesis, Center for Research and Advanced Studies (CINVESTAV-IPN), Mexico City 07360, Mexico; (S.N.P.-R.); (C.D.C.-R.)
| | - Rosa María del Ángel
- Department of Infectomics and Molecular Pathogenesis, Center for Research and Advanced Studies (CINVESTAV-IPN), Mexico City 07360, Mexico; (S.N.P.-R.); (C.D.C.-R.)
| | - Selvin Noé Palacios-Rápalo
- Department of Infectomics and Molecular Pathogenesis, Center for Research and Advanced Studies (CINVESTAV-IPN), Mexico City 07360, Mexico; (S.N.P.-R.); (C.D.C.-R.)
| | - Carlos Daniel Cordero-Rivera
- Department of Infectomics and Molecular Pathogenesis, Center for Research and Advanced Studies (CINVESTAV-IPN), Mexico City 07360, Mexico; (S.N.P.-R.); (C.D.C.-R.)
| | - Adrián Rodríguez-Carlos
- Unidad de Investigación Biomédica de Zacatecas, Instituto Mexicano del Seguro Social, Zacatecas 98000, Mexico; (A.R.-C.); (J.V.T.-P.); (B.R.-S.); (A.C.G.-H.); (A.C.R.-C.); (E.A.L.-G.); (E.M.-R.)
| | - Juan Valentin Trujillo-Paez
- Unidad de Investigación Biomédica de Zacatecas, Instituto Mexicano del Seguro Social, Zacatecas 98000, Mexico; (A.R.-C.); (J.V.T.-P.); (B.R.-S.); (A.C.G.-H.); (A.C.R.-C.); (E.A.L.-G.); (E.M.-R.)
| | - Carlos Noe Farfan-Morales
- Departamento de Ciencias Naturales, Universidad Autónoma Metropolitana (UAM), Unidad Cuajimalpa, Ciudad de México 05348, Mexico;
| | | | - José Manuel Reyes-Ruiz
- División de Investigación en Salud, Unidad Médica de Alta Especialidad, Hospital de Especialidades No. 14, Centro Médico Nacional “Adolfo Ruiz Cortines”, Instituto Mexicano del Seguro Social (IMSS), Veracruz 91897, Mexico;
- Facultad de Medicina, Región Veracruz, Universidad Veracruzana (UV), Veracruz 91700, Mexico
| | - Bruno Rivas-Santiago
- Unidad de Investigación Biomédica de Zacatecas, Instituto Mexicano del Seguro Social, Zacatecas 98000, Mexico; (A.R.-C.); (J.V.T.-P.); (B.R.-S.); (A.C.G.-H.); (A.C.R.-C.); (E.A.L.-G.); (E.M.-R.)
| | - Moisés León-Juárez
- Laboratorio de Virología Perinatal y Diseño Molecular de Antígenos y Biomarcadores, Departamento de Inmunobioquímica, Instituto Nacional de Perinatología, Ciudad de México 11000, Mexico;
| | - Ana Cristina García-Herrera
- Unidad de Investigación Biomédica de Zacatecas, Instituto Mexicano del Seguro Social, Zacatecas 98000, Mexico; (A.R.-C.); (J.V.T.-P.); (B.R.-S.); (A.C.G.-H.); (A.C.R.-C.); (E.A.L.-G.); (E.M.-R.)
| | - Adriana Clara Ramos-Cortes
- Unidad de Investigación Biomédica de Zacatecas, Instituto Mexicano del Seguro Social, Zacatecas 98000, Mexico; (A.R.-C.); (J.V.T.-P.); (B.R.-S.); (A.C.G.-H.); (A.C.R.-C.); (E.A.L.-G.); (E.M.-R.)
| | - Erika Alejandra López-Gándara
- Unidad de Investigación Biomédica de Zacatecas, Instituto Mexicano del Seguro Social, Zacatecas 98000, Mexico; (A.R.-C.); (J.V.T.-P.); (B.R.-S.); (A.C.G.-H.); (A.C.R.-C.); (E.A.L.-G.); (E.M.-R.)
| | - Estefanía Martínez-Rodríguez
- Unidad de Investigación Biomédica de Zacatecas, Instituto Mexicano del Seguro Social, Zacatecas 98000, Mexico; (A.R.-C.); (J.V.T.-P.); (B.R.-S.); (A.C.G.-H.); (A.C.R.-C.); (E.A.L.-G.); (E.M.-R.)
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