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Wei CS, Song LL, Peng ZX, Wang XL. Influence of SphK1 on Inflammatory Responses in Lipopolysaccharide-Challenged RAW 264.7 Cells. Cell Biochem Biophys 2024:10.1007/s12013-024-01364-z. [PMID: 38909173 DOI: 10.1007/s12013-024-01364-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/13/2024] [Indexed: 06/24/2024]
Abstract
Acute lung injury (ALI) and acute respiratory distress syndrome (ARDS) are serious respiratory disorders caused by a variety of intrapulmonary and extrapulmonary factors. Their incidence is increasing year by year, with high morbidity and mortality rates and lack of effective treatment. Inflammation plays a crucial role in ALI development, with sphingosine kinase 1 (SphK1) being a pivotal enzyme influencing sphingolipid metabolism and participating in inflammatory responses. However, the specific impact and the signaling pathway underlying SphK1 in lipopolysaccharide (LPS)-induced ALI/ARDS are poorly understood. This investigation aimed to explore the influence of SphK1 on inflammation and delve into the mechanistic aspects of inflammation in RAW 264.7 cells during LPS-induced ALI, which is of great importance in providing new targets and strategies for ALI/ARDS treatment.
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Affiliation(s)
- Chao-Shun Wei
- Medical College of Jishou University, Jishou, Hunan, 416000, PR China
| | - Lin-Li Song
- Medical College of Jishou University, Jishou, Hunan, 416000, PR China
| | - Zi-Xi Peng
- Medical College of Jishou University, Jishou, Hunan, 416000, PR China
| | - Xiao-Li Wang
- Medical College of Hunan Normal University, Changsha, Hunan, 410006, PR China.
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2
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Yu M, Wang S, Zeng Y, Liu P, Li H. SPHK1 Promotes Pancreatic Cancer Lymphangiogenesis Through the Activation of ERK in LECs. Mol Biotechnol 2024:10.1007/s12033-024-01192-9. [PMID: 38861202 DOI: 10.1007/s12033-024-01192-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Accepted: 05/03/2024] [Indexed: 06/12/2024]
Abstract
Lymphatic metastasis is related to an unsatisfactory prognosis in pancreatic cancer. Sphingosine kinase 1 (SPHK1) is an oncogene in cancer. However, the potential effect of SPHK1 on the lymphangiogenesis of pancreatic cancer is little known. In this study, the expression level and role of SPHK1 in pancreatic cancer were evaluated to explore the underlying mechanism involved. The expression of SPHK1 and the lymphatic vessel density (LVD) in pancreatic cancer patient tissue were investigated by immunohistochemistry. The role of SPHK1 in lymphangiogenesis was verified in vitro. Elevated expression of SPHK1 was strongly related to high LVD in pancreatic cancer patient tissue. Silencing of SPHK1 in pancreatic cancer cells observably inhibited lymphangiogenesis. Furthermore, the downregulation of SPHK1 markedly attenuated the phosphorylation of extracellular signal-regulated kinase in lymphatic endothelial cells. This study revealed that SPHK1 might play a crucial role in pancreatic cancer lymphangiogenesis.
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Affiliation(s)
- Mengsi Yu
- State Key Laboratory of Pathogenesis, Prevention and Treatment of High Incidence Diseases in Central Asia, Xinjiang Medical University, Urumqi, 830054, China
- Department of Clinical Laboratory, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, China
| | - Song Wang
- Department of Ophthalmology, General Hospital of Xinjiang Military Region, Urumqi, China
| | - Yujie Zeng
- Department of Clinical Laboratory, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, China
| | - Pingli Liu
- Department of Clinical Laboratory, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, China
| | - Hui Li
- State Key Laboratory of Pathogenesis, Prevention and Treatment of High Incidence Diseases in Central Asia, Xinjiang Medical University, Urumqi, 830054, China.
- Department of Clinical Laboratory, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, China.
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3
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Kanai Y. Molecular pathological approach to cancer epigenomics and its clinical application. Pathol Int 2024; 74:167-186. [PMID: 38482965 DOI: 10.1111/pin.13418] [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] [Revised: 02/15/2024] [Accepted: 02/26/2024] [Indexed: 04/11/2024]
Abstract
Careful microscopic observation of histopathological specimens, accumulation of large numbers of high-quality tissue specimens, and analysis of molecular pathology in relation to morphological features are considered to yield realistic data on the nature of multistage carcinogenesis. Since the morphological hallmark of cancer is disruption of the normal histological structure maintained through cell-cell adhesiveness and cellular polarity, attempts have been made to investigate abnormalities of the cadherin-catenin cell adhesion system in human cancer cells. It has been shown that the CDH1 tumor suppressor gene encoding E-cadherin is silenced by DNA methylation, suggesting that a "double hit" involving DNA methylation and loss of heterozygosity leads to carcinogenesis. Therefore, in the 1990s, we focused on epigenomic mechanisms, which until then had not received much attention. In chronic hepatitis and liver cirrhosis associated with hepatitis virus infection, DNA methylation abnormalities were found to occur frequently, being one of the earliest indications that such abnormalities are present even in precancerous tissue. Aberrant expression and splicing of DNA methyltransferases, such as DNMT1 and DNMT3B, was found to underlie the mechanism of DNA methylation alterations in various organs. The CpG island methylator phenotype in renal cell carcinoma was identified for the first time, and its therapeutic targets were identified by multilayer omics analysis. Furthermore, the DNA methylation profile of nonalcoholic steatohepatitis (NASH)-related hepatocellular carcinoma was clarified in groundbreaking studies. Since then, we have developed diagnostic markers for carcinogenesis risk in NASH patients and noninvasive diagnostic markers for upper urinary tract cancer, as well as developing a new high-performance liquid chromatography-based diagnostic system for DNA methylation diagnosis. Research on the cancer epigenome has revealed that DNA methylation alterations occur from the precancerous stage as a result of exposure to carcinogenic factors such as inflammation, smoking, and viral infections, and continuously contribute to multistage carcinogenesis through aberrant expression of cancer-related genes and genomic instability. DNA methylation alterations at the precancerous stages are inherited by or strengthened in cancers themselves and determine the clinicopathological aggressiveness of cancers as well as patient outcome. DNA methylation alterations have applications as biomarkers, and are expected to contribute to diagnosis, as well as preventive and preemptive medicine.
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Affiliation(s)
- Yae Kanai
- Department of Pathology, Keio University School of Medicine, Tokyo, Japan
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4
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Cai X, Zhou T, Shi W, Cai Y, Zhou J. Monkeypox Virus Crosstalk with HIV: An Integrated Skin Transcriptome and Machine Learning Study. ACS OMEGA 2023; 8:47283-47294. [PMID: 38107964 PMCID: PMC10720282 DOI: 10.1021/acsomega.3c07687] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/03/2023] [Revised: 11/13/2023] [Accepted: 11/14/2023] [Indexed: 12/19/2023]
Abstract
The emergence of the monkeypox virus (MPXV) outbreak presents a formidable challenge to human health. Emerging evidence suggests that individuals with HIV have been disproportionately affected by MPXV, with adverse clinical outcomes and higher mortality rates. However, the shared molecular mechanisms underlying MPXV and HIV remain elusive. We identified differentially expressed genes (DEGs) from two public data sets, GSE219036 and GSE184320, and extracted common DEGs between MPXV and HIV. We further performed gene ontology (GO), Kyoto Encyclopedia of Genes and Genomes (KEGG), protein-protein interactions (PPI), candidate drug assessment, and immune correlation of hub genes analysis. We validated the key biomarkers using multiple machine learning (ML) methods including random forest (RF), t-distributed stochastic neighbor embedding (tSNE), and uniform manifold approximation and projection (UMAP). A total of 59 common DEGs were identified between MPXV and HIV. Our functional analysis highlighted multiple pathways, including the ERK cascade, NF-κB signaling, and various immune responses, playing a collaborative role in the progression of both diseases. The PPI and gene co-expression networks were constructed, and five key genes with significant immune correlations were identified and validated by multiple ML models, including SPRED1, SPHK1, ATF3, AKT3, and AKT1S1. Our study emphasizes the common pathogenesis of HIV and MPXV and highlights the pivotal genes and shared pathways, providing new opportunities for evidence-based management strategies in HIV patients co-infected with MPXV.
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Affiliation(s)
- Xueyao Cai
- Department
of Plastic Surgery, The Third Xiangya Hospital
of Central South University, Changsha 410013, China
| | - Tianyi Zhou
- Department
of Ophthalmology, Shanghai Ninth People’s
Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, China
- Shanghai
Key Laboratory of Orbital Diseases and Ocular Oncology, Shanghai 200011, China
| | - Wenjun Shi
- Department
of Plastic and Reconstructive Surgery, Shanghai
Ninth People’s Hospital, Shanghai Jiao Tong University School
of Medicine, Shanghai 200011, China
| | - Yuchen Cai
- Department
of Plastic and Reconstructive Surgery, Shanghai
Ninth People’s Hospital, Shanghai Jiao Tong University School
of Medicine, Shanghai 200011, China
| | - Jianda Zhou
- Department
of Plastic Surgery, The Third Xiangya Hospital
of Central South University, Changsha 410013, China
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5
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Chao-shun W, Xiao-Li W. The impacts of SphK1 on inflammatory response and oxidative stress in LPS-induced ALI/ARDS. EUR J INFLAMM 2023. [DOI: 10.1177/1721727x231158310] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/15/2023] Open
Abstract
As severe conditions, acute lung injury (ALI) and acute respiratory distress syndrome (ARDS) threaten human health. Inflammation and oxidative stress play a vital role in the pathogenesis of ALI/ARDS. Sphingosine kinase 1 (SphK1) significantly contributes to mediating inflammatory responses. Nevertheless, the impact of SphK1 on lipopolysaccharide (LPS)-triggered ALI/ARDS remains largely undetermined. In our current work, we explored the impact of SphK1 on ALI/ARDS using a mouse model. We studied whether it could reduce LPS-triggered inflammatory response and oxidative stress by suppressing SphK1 in ALI/ARDS. The mice were treated with the inhibitor of SphK1 (N,N-dimethylsphingosine, DMS) before intraperitoneal injection of LPS. Moreover, we assessed the survival rate, and several parameters, such as the lung wet/dry (W/D) ratio, myeloperoxidase (MPO) activity, superoxide dismutase (SOD) activity, malondialdehyde (MDA) content, and the release of inflammatory cytokines. Western blotting analysis was adopted to evaluate the levels of phosphoinositide 3-kinase (PI3K)/serine/threonine kinase (AKT) pathways. We showed that the inhibitor of SphK1 not only ameliorated LPS-stimulated lung histopathological changes and W/D ratio of lung tissue but also elevated the survival rate, the SOD activity and decreased the MDA content, MPO activity, interleukin-6 (IL-6) and tumor necrosis factor-ɑ (TNF-ɑ) production by regulating the PI3K/AKT signaling pathway in lung tissue. Taken together, SphK1 played an essential role in inflammatory responses and oxidative stress. The underlying mechanism might be linked to the activation and up-regulation of the PI3K/AKT signaling pathway in LPS-triggered ALI/ARDS.
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Affiliation(s)
- Wei Chao-shun
- Medical College of Jishou University, Jishou, P. R. China
| | - Wang Xiao-Li
- Medical College of Jishou University, Jishou, P. R. China
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Zhao L, Wang Z, Xu Y, Zhang P, Qiu J, Nie D, Wu G, Chen C, Chang Y, Xia Q. Sphingosine kinase 1 regulates lipid metabolism to promote progression of kidney renal clear cell carcinoma. Pathol Res Pract 2023; 248:154641. [PMID: 37467634 DOI: 10.1016/j.prp.2023.154641] [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: 03/16/2023] [Revised: 06/14/2023] [Accepted: 06/20/2023] [Indexed: 07/21/2023]
Abstract
PURPOSE To detect the expression of sphingosine kinase 1 (SPHK1) in clear cell renal cell carcinoma (ccRCC) and explore its biological role in the occurrence and development of ccRCC through regulation of fatty acid metabolism. METHODS Using the Cancer Genome Atlas database, SPHK1 expression and its clinical significance were detected in clear cell renal cell carcinoma. Immunohistochemistry was performed to detect SPHK1 expression in RCC samples in our hospital. The connection between the SPHK1 levels and clinicopathological features of patients was assessed. Nile Red was used to detect fatty acids in cells. Cell Counting Kit-8 and 5-ethynyl-2'-deoxyuridine assays were performed to determine the effect of SPHK1 on renal cell viability and proliferation, respectively. Additionally, the effects of SPHK1 on the proliferation and metastasis of ccRCC were studied using wound healing and Transwell assays. Fatty acids were added exogenously in recovery experiments and western blotting was performed to determine the effect of SPHK1 on fatty acid metabolism in ccRCC. Finally, the effects of SPHK1 on tumor growth were investigated in a xenograft model. RESULTS Bioinformatics analysis revealed that SPHK1 expression was upregulated in kidney RCC. OverSPHK1 expression was associated with poor prognosis for ccRCC patients. High SPHK1 expression was detected in human ccRCC. SPHK1 expression was related to clinicopathological features, such as tumor size and Furman grade. Additionally, cell proliferation, migration, and invasion were inhibited in ccRCC cells with low SPHK1 expression. In rescue experiments, proliferation, migration, and invasion were restored. In vivo, reduced SPHK1 levels correlated with lower expression of fatty acid synthase, stearoyl-CoA desaturase 1, and acetyl CoA carboxylase, and slowed tumor growth. CONCLUSIONS SPHK1 is abnormally overexpressed in human ccRCC. Patients with ccRCC may benefit from treatments that target SPHK1, which may also serve as a prognostic indicator.
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Affiliation(s)
- Leizuo Zhao
- Department of Urology, Shandong Provincial Hospital, Cheeloo College of Medicine, Shandong University, Jinan 250021, China; Department of Urology, Dongying People's Hospital, Dongying 257000, China
| | - Zicheng Wang
- Department of Urology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan 250021, China; Medical Science and Technology Innovation Center, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan 250117, China
| | - Yingkun Xu
- Department of Breast and Thyroid Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - Peizhi Zhang
- Department of Urology, Shandong Provincial Hospital, Cheeloo College of Medicine, Shandong University, Jinan 250021, China
| | - Jiechuan Qiu
- Department of Urology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan 250021, China
| | - Dengke Nie
- Department of Chest Surgery, The First Affiliated Hospital of Henan University, Kaifeng 475001, China
| | - Guangzhen Wu
- Department of Urology, The First Affiliated Hospital of Dalian Medical University, Dalian 116011, China
| | - Chen Chen
- Department of Urology, Liaocheng People's Hospital, Shandong University 252000, China
| | - Yao Chang
- Department of Urology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan 250021, China
| | - Qinghua Xia
- Department of Urology, Shandong Provincial Hospital, Cheeloo College of Medicine, Shandong University, Jinan 250021, China.
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Huang L, Han F, Huang Y, Liu J, Liao X, Cao Z, Li W. Sphk1 deficiency induces apoptosis and developmental defects and premature death in zebrafish. FISH PHYSIOLOGY AND BIOCHEMISTRY 2023; 49:737-750. [PMID: 37464180 DOI: 10.1007/s10695-023-01215-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Accepted: 06/24/2023] [Indexed: 07/20/2023]
Abstract
The sphk1 gene plays a crucial role in cell growth and signal transduction. However, the developmental functions of the sphk1 gene during early vertebrate zebrafish embryo remain not completely understood. In this study, we constructed zebrafish sphk1 mutants through CRISPR/Cas9 to investigate its role in zebrafish embryonic development. Knockout of the sphk1 gene was found to cause abnormal development in zebrafish embryos, such as darkening and atrophy of the head, trunk deformities, pericardial edema, retarded yolk sac development, reduced heart rate, and premature death. The acetylcholinesterase activity was significantly increased after the knockout of sphk1, and some of the neurodevelopmental genes and neurotransmission system-related genes were expressed abnormally. The deletion of sphk1 led to abnormal expression of immune genes, as well as a significant decrease in the number of hematopoietic stem cells and neutrophils. The mRNA levels of cardiac development-related genes were significantly decreased. In addition, cell apoptosis increases in the sphk1 mutants, and the proliferation of head cells decreases. Therefore, our study has shown that the sphk1 is a key gene for zebrafish embryonic survival and regulation of organ development. It deepened our understanding of its physiological function. Our study lays the foundation for investigating the mechanism of the sphk1 gene in early zebrafish embryonic development.
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Affiliation(s)
- Ling Huang
- Key Laboratory of Healthy Mariculture for the East China Sea, Ministry of Agriculture and Rural Affairs, Jimei University, Xiamen, China
| | - Fang Han
- Key Laboratory of Healthy Mariculture for the East China Sea, Ministry of Agriculture and Rural Affairs, Jimei University, Xiamen, China
| | - Ying Huang
- Key Laboratory of Healthy Mariculture for the East China Sea, Ministry of Agriculture and Rural Affairs, Jimei University, Xiamen, China
| | - Jieping Liu
- Key Laboratory of Healthy Mariculture for the East China Sea, Ministry of Agriculture and Rural Affairs, Jimei University, Xiamen, China
| | - Xinjun Liao
- Jiangxi Engineering Laboratory of Zebrafish Modeling and Drug Screening for Human Diseases, Jiangxi Key Laboratory of Developmental Biology of Organs, College of Life Sciences, Jinggangshan University, Ji'an, China
| | - Zigang Cao
- Jiangxi Engineering Laboratory of Zebrafish Modeling and Drug Screening for Human Diseases, Jiangxi Key Laboratory of Developmental Biology of Organs, College of Life Sciences, Jinggangshan University, Ji'an, China.
| | - Wanbo Li
- Key Laboratory of Healthy Mariculture for the East China Sea, Ministry of Agriculture and Rural Affairs, Jimei University, Xiamen, China.
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Liu J, Zhao HL, He L, Yu RL, Kang CM. Discovery and design of dual inhibitors targeting Sphk1 and Sirt1. J Mol Model 2023; 29:141. [PMID: 37059848 DOI: 10.1007/s00894-023-05551-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2022] [Accepted: 04/05/2023] [Indexed: 04/16/2023]
Abstract
CONTEXT Leukaemia has become a serious threat to human health. Although tyrosine kinase inhibitors (TKIs) have been developed as targets for the remedy of leukaemia, drug resistance occurs. Research demonstrated that the simultaneous targeting of sphingosine kinase 1 (Sphk1) and Sirtuin 1 (Sirt1) can downregulate myeloid cell leukaemia-1 (MCL-1), overcome the resistance of tyrosine kinase inhibitors, and play a synergistic inhibitory impact on leukaemia treatment. METHODS In this study, virtual screening of 7.06 million small molecules was done by sphingosine kinase 1 and Sirtuin 1 pharmacophore models using Schrödinger version 2019; after that, ADME and Toxicity molecule properties were predicted using Discovery Studio. Molecular docking using Schrödinger selected five molecules, which have the best binding affinity with sphingosine kinase 1 and Sirtuin 1. The five molecules and reference inhibitors were constructed with a total of 12 systems with GROMACS that carried out 100 ns molecular dynamics simulation and molecular mechanics/Poisson-Boltzmann surface area (MM/PBSA) calculation. Due to compound 3 has the lowest binding energy, its structure was modified. A series of compounds docked with sphingosine kinase 1 and Sirtuin 1, respectively. Among them, QST-LC03, QST-LD05, QST-LE03, and QST-LE04 have the better binding affinity than reference inhibitors. Moreover, the SwissADME and PASS platforms predict that 1, 3, QST-LC03, and QST-LE04 have further study value.
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Affiliation(s)
- Jin Liu
- School of Chemical Engineering, Qingdao University of Science and Technology, Qingdao, 266042, China
| | - Hui-Lin Zhao
- School of Chemical Engineering, Qingdao University of Science and Technology, Qingdao, 266042, China
| | - Lei He
- School of Chemical Engineering, Qingdao University of Science and Technology, Qingdao, 266042, China
| | - Ri-Lei Yu
- Key Laboratory of Marine Drugs, Chinese Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao, 266003, China
| | - Cong-Min Kang
- School of Chemical Engineering, Qingdao University of Science and Technology, Qingdao, 266042, China.
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Elasbali AM, Al-Soud WA, Alhassan HH, Mousa Elayyan AE, Kamal M, Alanazi H, Alharbi B, Alharethi SH, Mohamed BM. Discovering Gummadiol and Isoarboreol as potential inhibitors of sphingosine kinase 1: virtual screening and MD simulation studies. J Biomol Struct Dyn 2023; 41:12789-12797. [PMID: 36644886 DOI: 10.1080/07391102.2023.2167864] [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: 12/04/2022] [Accepted: 01/07/2023] [Indexed: 01/17/2023]
Abstract
Sphingosine kinase 1 (SphK1) dysfunction is well-known to be linked to various severe diseases, including breast, lung, prostate, and hematological cancers. Due to its crucial function in the onset of cancer and its progression, it is considered a notable drug target for anticancer therapy. Small molecule inhibitors with high specificity and efficacy towards SphK1 are needed for their therapeutic use. In order to find possible SphK1 inhibitors, we conducted a stepwise structure-based virtual screening of plant-based molecules available from the IMPPAT library. A multi-step virtual screening, including physicochemical and ADMET evaluation, PAINS, molecular docking, PASS analysis followed by molecular dynamics (MD) simulation and principal component analysis, identifies two compounds, Gummadiol and Isoarboreol, against SphK1. All-atom MD simulations were performed for 100 ns which examined the structural changes and stability of the docked complexes in the aqueous environment. The time evolution data of structural deviations and compactness, PCA and free energy landscapes suggested that the binding of Gummadiol and Isoarboreol with SphK1 is considerably stable throughout the trajectory. The study highlighted the use of phytochemicals in anticancer therapeutics and presented Gummadiol and Isoarboreol as promising inhibitors of SphK1.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Abdelbaset Mohamed Elasbali
- Department of Clinical Laboratory Science, College of Applied Sciences-Qurayyat, Jouf University, Sakaka, Saudi Arabia
| | - Waleed Abu Al-Soud
- Department of Clinical Laboratory Science, College of Applied Sciences, Jouf University, Sakaka, Saudi Arabia
| | - Hassan H Alhassan
- Department of Clinical Laboratory Science, College of Applied Sciences, Jouf University, Sakaka, Saudi Arabia
| | - Afnan Elayyan Mousa Elayyan
- Department of Clinical Laboratory Science, College of Applied Sciences-Qurayyat, Jouf University, Sakaka, Saudi Arabia
| | - Mehnaz Kamal
- Department of Pharmaceutical Chemistry, College of Pharmacy, Prince Sattam Bin Abdulaziz University, Saudi Arabia
| | - Hamad Alanazi
- Department of Clinical Laboratory Science, College of Applied Sciences-Qurayyat, Jouf University, Sakaka, Saudi Arabia
| | - Bandar Alharbi
- Department of Medical Laboratory Science, College of Applied Medical Sciences, University of Ha'il, Hail, Saudi Arabia
| | - Salem Hussain Alharethi
- Department of Biological Science, College of Arts and Science, Najran University, Najran, Saudi Arabia
| | - Bashir M Mohamed
- Trinity St James's Cancer Institute, Dublin, Ireland
- Department of Histopathology, Trinity College Dublin, Ireland
- Emer Casey Molecular Pathology Research Laboratory, Coombe Women & Infants University Hospital, Dublin, Ireland
- Department of Obstetrics and Gynaecology, Trinity College Dublin, Dublin, Ireland
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Cong D, Yu Y, Meng Y, Qi X. Dexmedetomidine (Dex) exerts protective effects on rat neuronal cells injured by cerebral ischemia/reperfusion via regulating the Sphk1/S1P signaling pathway. J Stroke Cerebrovasc Dis 2023; 32:106896. [PMID: 36395661 DOI: 10.1016/j.jstrokecerebrovasdis.2022.106896] [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: 07/27/2022] [Revised: 10/27/2022] [Accepted: 11/10/2022] [Indexed: 11/17/2022] Open
Abstract
AIM To investigate the influence of dexmedetomidine (Dex) on cerebral ischemia/reperfusion (I/R)-injured rat neuronal cells by regulating the Sphk1/S1P pathway. METHODS The rats were divided into the following groups, with 18 rats in each group categorized on the basis of random number tables: sham (Sham), I/R (I/R), Dex, Sphk1 inhibitor (PF-543), and Dex together with the Sphk1 agonist phorbol-12-myristate-13-acetate (Dex+PMA). The neurological functions of the rats were assessed by the Longa scoring system at 24 h post reperfusion. The area of brain infarction was inspected using 2,3,5-triphenyltetrazolium chloride staining, and the water content of brain tissue was determined by the dry-wet weight method. The morphology of neurons in the CA1 region of the rat hippocampus was inspected using Nissl staining, while the apoptosis of neurons in this region was detected by terminal-deoxynucleotidyl transferase mediated nick end labeling staining. The Sphk1 and S1P protein levels were determined by immunofluorescence and western blotting, respectively. RESULTS Compared to the I/R group, rats in the Dex, PF-543, and Dex+PMA groups had a significantly lower neurological function score, as well as lower brain water content and a decreased infarction area. Moreover, the apoptotic index of the neurons and the Sphk1 and S1P levels in the hippocampal CA1 region were significantly lower in these groups (p<0.05). PMA, an agonist of Sphk1, was able to reverse the protective effects of Dex on I/R-induced neuronal cell injury. CONCLUSION Dex could protect cerebral I/R-induced neuronal cell injury by suppressing the Sphk1/S1P signaling pathway.
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Affiliation(s)
- Dawei Cong
- Department of Neurosurgery, Yantai Affiliated Hospital of Binzhou Medical University, Yantai 264100, China
| | - Yunlong Yu
- Department of Neurosurgery, Yantai Harbour Hospital, Yantai 264000, China.
| | - Yan Meng
- Yantai Comprehensive Health Service Center, Yantai 264000, China
| | - Xia Qi
- Yantai Comprehensive Health Service Center, Yantai 264000, China
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11
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DNA methylation status of the SPHK1 and LTB genes underlies the clinicopathological diversity of non-alcoholic steatohepatitis-related hepatocellular carcinomas. J Cancer Res Clin Oncol 2022:10.1007/s00432-022-04445-9. [DOI: 10.1007/s00432-022-04445-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Accepted: 10/19/2022] [Indexed: 11/09/2022]
Abstract
Abstract
Purpose
This study was performed to identify the DNA methylation profiles underlying the clinicopathological diversity of non-alcoholic steatohepatitis (NASH)-related hepatocellular carcinomas (HCCs).
Methods
Genome-wide DNA methylation analysis of 88 liver tissue samples was performed using the Infinium assay.
Results
Principal component analysis revealed that distinct DNA methylation profiles differing from such profiles in normal control liver tissue had already been established in non-cancerous liver tissue showing NASH, which is considered to be a precancerous condition. Hierarchical clustering separated 26 NASH-related HCCs into Cluster I (n = 8) and Cluster II (n = 18). Such epigenetic clustering was significantly correlated with histopathological diversity, i.e. poorer tumor differentiation, tumor steatosis and development of a scirrhous HCC component. Significant differences in DNA methylation levels between the two clusters were accumulated in molecular pathways participating in cell adhesion and cytoskeletal remodeling, as well as cell proliferation and apoptosis. Among tumor-related genes characterizing Clusters I and II, differences in the levels of DNA methylation and mRNA expression for the SPHK1, INHBA, LTB and PDE3B genes were correlated with poorer tumor differentiation. 5-Aza-2′-deoxycytidine treatment of HCC cells revealed epigenetic regulation of the SPHK1 and LTB genes. Knockdown experiments showed that SPHK1 promotes cell proliferation, represses apoptosis and enhances migration, whereas LTB enhances migration of HCC cells. DNA hypomethylation resulting in increased expression of SPHK1 and LTB in poorly differentiated HCCs may underlie the aggressive phenotype of such HCCs.
Conclusion
These data indicate that DNA methylation profiles may determine the clinicopathological heterogeneity of NASH-related HCCs via alterations of tumor-related gene expression.
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Ge Z, Liu H, Ji T, Liu Q, Zhang L, Zhu P, Li L, Zhu L. Long non-coding RNA 00960 promoted the aggressiveness of lung adenocarcinoma via the miR-124a/SphK1 axis. Bioengineered 2022; 13:1276-1287. [PMID: 34738865 PMCID: PMC8805815 DOI: 10.1080/21655979.2021.1996507] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Accepted: 10/16/2021] [Indexed: 11/02/2022] Open
Abstract
Long non-coding RNAs (lncRNAs) are closely associated with the development of lung adenocarcinoma (LADC). The present study focused on the role of LINC00960 in LADC. miRNA and mRNA expression levels were detected using quantitative reverse transcription-polymerase chain reaction (qRT-PCR). Cellular functions were evaluated by MTT, colony formation, and Transwell assays, respectively. LINC00960 Luciferase and RNA pull-down assays were performed to clarify the interaction between miR-124a and LINC00960 or Recombinant Sphingosine Kinase 1 (SphK1). We observed that LINC00960 was overexpressed in LADC tumor tissues and cell lines. LINC00960 knockdown suppressed the proliferation, migration, and invasion of LADC cells. Moreover, LINC00960 sponged miR-124a to inhibit the SphK1/S1P pathway in LADC cells. LINC00960 knockdown markedly reduced the rate of tumor growth. The luciferase reporter assay results demonstrated an interaction between miR-124a and LINC00960 or SphK1. This interaction was confirmed using the RNA pull-down assay. In addition, miR-124a downregulation or SphK1 upregulation reversed the inhibitory effects of LINC00960 knockdown on cellular functions of LADC cells, suggesting that LINC00960 may be a potential therapeutic biomarker for LADC via the miR-124a/SphK1 axis. Accordingly, LINC00960 may be a potential therapeutic biomarker for LADC.
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Affiliation(s)
- Zhipeng Ge
- Weifang Medical University, Weifang, People’s Republic of China
| | - Haibo Liu
- Department of Thoracic Surgery, Jinan Central Hospital Affiliated to Shandong University, Jinan, Shandong Province, P.R. China
| | - Tao Ji
- Chest Endoscopy Minimally Invasive Area, Shandong Provincial Chest Hospital, Jinan, Shandong Province, China
| | - Qiaoling Liu
- Department of Thoracic Surgery, Jinan Central Hospital Affiliated to Shandong University, Jinan, Shandong Province, P.R. China
| | - Lulu Zhang
- Research Center of Basic Medicine, Central Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Pengchong Zhu
- Department of Orthopaedics, Jinan Central Hospital Affiliated to Shandong University, Jinan, Shandong, China
| | - Liang Li
- Department of Thoracic Surgery, Shandong Provincial Hospital Affiliated to Shandong University, Jinan, Shandong, China
| | - Liangming Zhu
- Department of Thoracic Surgery, Jinan Central Hospital Affiliated to Shandong University, Jinan, Shandong Province, P.R. China
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Silva GD, Brochers-Lacchini FC, Leopoldino AM. How do sphingolipids play a role in epigenetic mechanisms and gene expression? Epigenomics 2021; 14:219-222. [PMID: 34905958 DOI: 10.2217/epi-2021-0425] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Affiliation(s)
- Gabriel da Silva
- Depto de Análises Clínicas, Toxicológicas e Bromatológicas, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, São Paulo, Brazil
| | - Fernanda Coeli Brochers-Lacchini
- Depto de Análises Clínicas, Toxicológicas e Bromatológicas, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, São Paulo, Brazil
| | - Andréia Machado Leopoldino
- Depto de Análises Clínicas, Toxicológicas e Bromatológicas, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, São Paulo, Brazil
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Okamoto Y, Kitakaze K, Takenouchi Y, Yamamoto S, Ishimaru H, Tsuboi K. Sphingosine 1-phosphate receptor type 2 positively regulates interleukin (IL)-4/IL-13-induced STAT6 phosphorylation. Cell Signal 2021; 88:110156. [PMID: 34592416 DOI: 10.1016/j.cellsig.2021.110156] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Revised: 08/31/2021] [Accepted: 09/23/2021] [Indexed: 12/12/2022]
Abstract
Previous reports have demonstrated that sphingosine 1-phosphate receptor type 2 (S1P2) is involved in the activation of signal transducer and activator of transcription (STAT) 6. Additionally, the major signaling pathway of S1P2 is the Rho-Rho kinase pathway. In this study, we examined the role of S1P2 in STAT6 activation in a macrophage (Mφ) model using THP-1 cells differentiated with phorbol 12-myristate 13-acetate (PMA). We established S1P2knockout THP-1 cells using the CRISPR-Cas9 gene editing system. The PMA-treated S1P2knockout THP-1 Mφs showed decreases in IL-4/IL-13-induced phosphorylation of Janus-activated kinase (JAK) 1, JAK2, and STAT6 as well as mRNA expression of the M2 marker ARG1 compared with wild-type THP-1 Mφs. Pretreatment of PMA-treated THP-1 Mφs with the S1P2 antagonist JTE-013, the Rho inhibitor Rhosin or the Rho kinase inhibitor Y27632 inhibited the IL-4/IL-13-induced increase in STAT6 phosphorylation. The expressions of suppressor of cytokine signaling 3 in the S1P2knockout THP-1 Mφs were higher than those in wild-type THP-1 Mφs. In addition, the protein tyrosine phosphatase inhibitor vanadate enhanced IL-4-induced STAT6 phosphorylation in the S1P2knockout THP-1 Mφs, suggesting that S1P2-Rho-Rho kinase inhibited the negative regulation of STAT6. These results suggest that the S1P2-Rho-Rho kinase pathway is necessary for full activation of STAT6 by IL-4/IL-13 in Mφs.
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Affiliation(s)
- Yasuo Okamoto
- Department of Pharmacology, Kawasaki Medical School, 577 Matsushima, Kurashiki, Okayama 701-0192, Japan.
| | - Keisuke Kitakaze
- Department of Pharmacology, Kawasaki Medical School, 577 Matsushima, Kurashiki, Okayama 701-0192, Japan
| | - Yasuhiro Takenouchi
- Department of Pharmacology, Kawasaki Medical School, 577 Matsushima, Kurashiki, Okayama 701-0192, Japan
| | - Shinya Yamamoto
- Department of Pharmacology, Kawasaki Medical School, 577 Matsushima, Kurashiki, Okayama 701-0192, Japan
| | - Hironobu Ishimaru
- Department of Pharmacology, Kawasaki Medical School, 577 Matsushima, Kurashiki, Okayama 701-0192, Japan
| | - Kazuhito Tsuboi
- Department of Pharmacology, Kawasaki Medical School, 577 Matsushima, Kurashiki, Okayama 701-0192, Japan
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15
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Bonilla DA, Moreno Y, Rawson ES, Forero DA, Stout JR, Kerksick CM, Roberts MD, Kreider RB. A Convergent Functional Genomics Analysis to Identify Biological Regulators Mediating Effects of Creatine Supplementation. Nutrients 2021; 13:2521. [PMID: 34444681 PMCID: PMC8397972 DOI: 10.3390/nu13082521] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2021] [Accepted: 07/21/2021] [Indexed: 12/12/2022] Open
Abstract
Creatine (Cr) and phosphocreatine (PCr) are physiologically essential molecules for life, given they serve as rapid and localized support of energy- and mechanical-dependent processes. This evolutionary advantage is based on the action of creatine kinase (CK) isozymes that connect places of ATP synthesis with sites of ATP consumption (the CK/PCr system). Supplementation with creatine monohydrate (CrM) can enhance this system, resulting in well-known ergogenic effects and potential health or therapeutic benefits. In spite of our vast knowledge about these molecules, no integrative analysis of molecular mechanisms under a systems biology approach has been performed to date; thus, we aimed to perform for the first time a convergent functional genomics analysis to identify biological regulators mediating the effects of Cr supplementation in health and disease. A total of 35 differentially expressed genes were analyzed. We identified top-ranked pathways and biological processes mediating the effects of Cr supplementation. The impact of CrM on miRNAs merits more research. We also cautiously suggest two dose-response functional pathways (kinase- and ubiquitin-driven) for the regulation of the Cr uptake. Our functional enrichment analysis, the knowledge-based pathway reconstruction, and the identification of hub nodes provide meaningful information for future studies. This work contributes to a better understanding of the well-reported benefits of Cr in sports and its potential in health and disease conditions, although further clinical research is needed to validate the proposed mechanisms.
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Affiliation(s)
- Diego A. Bonilla
- Research Division, Dynamical Business & Science Society—DBSS International SAS, Bogotá 110861, Colombia;
- Research Group in Biochemistry and Molecular Biology, Universidad Distrital Francisco José de Caldas, Bogotá 110311, Colombia
- Research Group in Physical Activity, Sports and Health Sciences (GICAFS), Universidad de Córdoba, Montería 230002, Colombia
- kDNA Genomics, Joxe Mari Korta Research Center, University of the Basque Country UPV/EHU, 20018 Donostia-San Sebastián, Spain
| | - Yurany Moreno
- Research Division, Dynamical Business & Science Society—DBSS International SAS, Bogotá 110861, Colombia;
- Research Group in Biochemistry and Molecular Biology, Universidad Distrital Francisco José de Caldas, Bogotá 110311, Colombia
| | - Eric S. Rawson
- Department of Health, Nutrition and Exercise Science, Messiah University, Mechanicsburg, PA 17055, USA;
| | - Diego A. Forero
- Professional Program in Sport Training, School of Health and Sport Sciences, Fundación Universitaria del Área Andina, Bogotá 111221, Colombia;
| | - Jeffrey R. Stout
- Physiology of Work and Exercise Response (POWER) Laboratory, Institute of Exercise Physiology and Rehabilitation Science, University of Central Florida, Orlando, FL 32816, USA;
| | - Chad M. Kerksick
- Exercise and Performance Nutrition Laboratory, School of Health Sciences, Lindenwood University, Saint Charles, MO 63301, USA;
| | - Michael D. Roberts
- School of Kinesiology, Auburn University, Auburn, AL 36849, USA;
- Edward via College of Osteopathic Medicine, Auburn, AL 36849, USA
| | - Richard B. Kreider
- Exercise & Sport Nutrition Laboratory, Human Clinical Research Facility, Texas A&M University, College Station, TX 77843, USA;
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Pérez-Jeldres T, Alvarez-Lobos M, Rivera-Nieves J. Targeting Sphingosine-1-Phosphate Signaling in Immune-Mediated Diseases: Beyond Multiple Sclerosis. Drugs 2021; 81:985-1002. [PMID: 33983615 PMCID: PMC8116828 DOI: 10.1007/s40265-021-01528-8] [Citation(s) in RCA: 77] [Impact Index Per Article: 25.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/23/2021] [Indexed: 12/12/2022]
Abstract
Sphingosine-1-phosphate (S1P) is a bioactive lipid metabolite that exerts its actions by engaging 5 G-protein-coupled receptors (S1PR1-S1PR5). S1P receptors are involved in several cellular and physiological events, including lymphocyte/hematopoietic cell trafficking. An S1P gradient (low in tissues, high in blood), maintained by synthetic and degradative enzymes, regulates lymphocyte trafficking. Because lymphocytes live long (which is critical for adaptive immunity) and recirculate thousands of times, the S1P-S1PR pathway is involved in the pathogenesis of immune-mediated diseases. The S1PR1 modulators lead to receptor internalization, subsequent ubiquitination, and proteasome degradation, which renders lymphocytes incapable of following the S1P gradient and prevents their access to inflammation sites. These drugs might also block lymphocyte egress from lymph nodes by inhibiting transendothelial migration. Targeting S1PRs as a therapeutic strategy was first employed for multiple sclerosis (MS), and four S1P modulators (fingolimod, siponimod, ozanimod, and ponesimod) are currently approved for its treatment. New S1PR modulators are under clinical development for MS, and their uses are being evaluated to treat other immune-mediated diseases, including inflammatory bowel disease (IBD), rheumatoid arthritis (RA), systemic lupus erythematosus (SLE), and psoriasis. A clinical trial in patients with COVID-19 treated with ozanimod is ongoing. Ozanimod and etrasimod have shown promising results in IBD; while in phase 2 clinical trials, ponesimod has shown improvement in 77% of the patients with psoriasis. Cenerimod and amiselimod have been tested in SLE patients. Fingolimod, etrasimod, and IMMH001 have shown efficacy in RA preclinical studies. Concerns relating to S1PR modulators are leukopenia, anemia, transaminase elevation, macular edema, teratogenicity, pulmonary disorders, infections, and cardiovascular events. Furthermore, S1PR modulators exhibit different pharmacokinetics; a well-established first-dose event associated with S1PR modulators can be mitigated by gradual up-titration. In conclusion, S1P modulators represent a novel and promising therapeutic strategy for immune-mediated diseases.
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Affiliation(s)
- Tamara Pérez-Jeldres
- Pontificia Universidad Católica de Chile, Santiago, Chile
- Hospital San Borja-Arriarán, Santiago, Chile
| | - Manuel Alvarez-Lobos
- Pontificia Universidad Católica de Chile, Santiago, Chile
- Hospital San Borja-Arriarán, Santiago, Chile
| | - Jesús Rivera-Nieves
- San Diego VA Medical Center (SDVAMC), San Diego, CA, USA.
- Division of Gastroenterology, Department of Medicine, University of California San Diego (UCSD), 9500 Gilman Drive Bldg. BRF-II Rm. 4A32, San Diego, CA, 92093-0063, USA.
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Roy S, Khan S, Jairajpuri DS, Hussain A, Alajmi MF, Islam A, Luqman S, Parvez S, Hassan MI. Investigation of sphingosine kinase 1 inhibitory potential of cinchonine and colcemid targeting anticancer therapy. J Biomol Struct Dyn 2021; 40:6350-6362. [PMID: 33565370 DOI: 10.1080/07391102.2021.1882341] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Sphingosine kinase 1 (SphK1) and sphingosine-1-phosphate (S1P) signaling regulates numerous diseases such as cancer, diabetes, and inflammation-related ailments, rheumatoid arthritis, atherosclerosis, and multiple sclerosis. The importance of SphK1 in chemo-resistance has been extensively explored in breast, lung, colon, and hepatocellular carcinomas. SphK1 is considered an attractive drug target for the development of anticancer therapy. New drug molecules targeting the S1P signaling are required owing to its pleiotropic nature and association with multiple downstream targets. Here, we have investigated the binding affinity and SphK1 inhibitory potential of cinchonine and colcemid using a combined molecular docking and simulation studies followed by experimental analysis. These compounds bind to SphK1 with a significantly high affinity and subsequently inhibit kinase activity (IC50 7-9 μM). Further, MD simulation studies revealed that both cinchonine and colcemid bind to the residues at the active site pocket of SphK1 with several non-covalent interactions, which may be responsible for inhibiting its kinase activity. Besides, the binding of cinchonine and colcemid causes substantial conformational changes in the structure of SphK1. Taken together, cinchonine and colcemid may be implicated in designing potential drug molecules with improved affinity and specificity for SphK1 targeting anticancer therapy.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Sonam Roy
- Centre for Interdisciplinary Research in Basic Sciences, Jamia Millia Islamia, Jamia Nagar, New Delhi, India
| | - Shama Khan
- Department of Clinical Microbiology and Infectious Diseases, School of Pathology, University of the Witwatersrand, Johannesburg, South Africa; Drug Discovery and Development Centre (H3D), University of Cape Town, Rondebosch 7701, South Africa
| | - Deeba Shamim Jairajpuri
- Department of Medical Biochemistry, College of Medicine and Medical Sciences, Arabian Gulf University, Manama, Bahrain
| | - Afzal Hussain
- Department of Pharmacognosy, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
| | - Mohamed F Alajmi
- Department of Pharmacognosy, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
| | - Asimul Islam
- Centre for Interdisciplinary Research in Basic Sciences, Jamia Millia Islamia, Jamia Nagar, New Delhi, India
| | - Suaib Luqman
- Bioprospection and Product Development Division, CSIR-Central Institute of Medicinal and Aromatic Plants, Lucknow, Uttar Pradesh, India.,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh, India
| | - Suhel Parvez
- Department of Toxicology, School of Chemical and Life Sciences, Jamia Hamdard, New Delhi, India
| | - Md Imtaiyaz Hassan
- Centre for Interdisciplinary Research in Basic Sciences, Jamia Millia Islamia, Jamia Nagar, New Delhi, India
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