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Saberiyan M, Zarei M, Safi A, Movahhed P, Khorasanian R, Adelian S, Mousavi P. The role of DAPK2 as a key regulatory element in various human cancers: a systematic review. Mol Biol Rep 2024; 51:886. [PMID: 39105958 DOI: 10.1007/s11033-024-09761-6] [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: 05/01/2024] [Accepted: 06/26/2024] [Indexed: 08/07/2024]
Abstract
Cancer is considered the uncontrolled growth and spread of cells into neighboring tissues, a process governed at the molecular level by many different factors, including abnormalities in the protein family's death-associated kinase (DAPK). DAPK2 is a member of the DAPK protein family, which plays essential roles in several cellular processes. DAPK2 acts as a tumor suppressor, interacting with several proteins, such as TNF, IFN, etc. during apoptosis and autophagy. Expression of DAPK2 causes changes in the structure of the cell, ultimately leading to cell death by apoptosis. In this essay, studies are obtained from Scopus, PubMed, and the Web of Science. According to these investigations, DAPK2 activates autophagy by interacting with AMPK, mTORC1, and p73. Furthermore, DAPK2 induces apoptosis pathway via interacting with the p73 family and JNK. In general, due to the vital role of DAPK2 in cell physiology and its effect on various factors and signaling pathways, it can be a potent target in the treatment of various cancers, including gastric, ovarian, breast, and other prominent cancers.
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Affiliation(s)
- Mohammadreza Saberiyan
- Student Research Committee, Hormozgan University of Medical Sciences, Bandar Abbas, Iran
| | - Mahboobeh Zarei
- Department of Medical Genetics, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | - Amir Safi
- Department of Clinical Biochemistry, School of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Parvaneh Movahhed
- Department of Medical Laboratory Sciences, School of Allied Medical Sciences, ShahidBeheshti University of Medical Sciences, Tehran, Iran
| | - Reihane Khorasanian
- Department of Medical Genetics and Molecular Biology, Faculty of Medicine, Iran University of Medical Sciences (IUMS), Tehran, Iran
| | - Samaneh Adelian
- Cellular and Molecular Research Center, Basic Health Sciences Institute, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Pegah Mousavi
- Molecular Medicine Research Center, Hormozgan Health Institute, Hormozgan University of Medical Sciences, Bandar Abbas, Iran.
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Wu Y, Zou Y, Song C, Cao K, Cai K, Chen S, Zhang Z, Geng D, Zhang N, Feng H, Tang M, Li Z, Sun G, Zhang Y, Sun Y, Zhang Y. The role of serine/threonine protein kinases in cardiovascular disease and potential therapeutic methods. Biomed Pharmacother 2024; 177:117093. [PMID: 38971012 DOI: 10.1016/j.biopha.2024.117093] [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: 04/17/2024] [Revised: 07/02/2024] [Accepted: 07/02/2024] [Indexed: 07/08/2024] Open
Abstract
Protein phosphorylation is an important link in a variety of signaling pathways, and most of the important life processes in cells involve protein phosphorylation. Based on the amino acid residues of phosphorylated proteins, protein kinases can be categorized into the following families: serine/threonine protein kinases, tyrosine-specific protein kinases, histidine-specific protein kinases, tryptophan kinases, and aspartate/glutamyl protein kinases. Of all the protein kinases, most are serine/threonine kinases, where serine/threonine protein kinases are protein kinases that catalyze the phosphorylation of serine or threonine residues on target proteins using ATP as a phosphate donor. The current socially accepted classification of serine/threonine kinases is to divide them into seven major groups: protein kinase A, G, C (AGC), CMGC, Calmodulin-dependent protein kinase (CAMK), Casein kinase (CK1), STE, Tyrosine kinase (TKL) and others. After decades of research, a preliminary understanding of the specific classification and respective functions of serine/threonine kinases has entered a new period of exploration. In this paper, we review the literature of the previous years and introduce the specific signaling pathways and related therapeutic modalities played by each of the small protein kinases in the serine/threonine protein kinase family, respectively, in some common cardiovascular system diseases such as heart failure, myocardial infarction, ischemia-reperfusion injury, and diabetic cardiomyopathy. To a certain extent, the current research results, including molecular mechanisms and therapeutic methods, are fully summarized and a systematic report is made for the prevention and treatment of cardiovascular diseases in the future.
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Affiliation(s)
- Yanjiao Wu
- Department of Cardiology, the First Hospital of China Medical University, 155 Nanjing North Street, Heping District, Shenyang, Liaoning Province 110001, People's Republic of China
| | - Yuanming Zou
- Department of Cardiology, the First Hospital of China Medical University, 155 Nanjing North Street, Heping District, Shenyang, Liaoning Province 110001, People's Republic of China
| | - Chunyu Song
- Department of Cardiology, the First Hospital of China Medical University, 155 Nanjing North Street, Heping District, Shenyang, Liaoning Province 110001, People's Republic of China
| | - Kexin Cao
- Department of Cardiology, the First Hospital of China Medical University, 155 Nanjing North Street, Heping District, Shenyang, Liaoning Province 110001, People's Republic of China
| | - Kexin Cai
- Department of Cardiology, the First Hospital of China Medical University, 155 Nanjing North Street, Heping District, Shenyang, Liaoning Province 110001, People's Republic of China
| | - Shuxian Chen
- Department of Cardiology, the First Hospital of China Medical University, 155 Nanjing North Street, Heping District, Shenyang, Liaoning Province 110001, People's Republic of China
| | - Zhaobo Zhang
- Department of Cardiology, the First Hospital of China Medical University, 155 Nanjing North Street, Heping District, Shenyang, Liaoning Province 110001, People's Republic of China
| | - Danxi Geng
- Department of Cardiology, the First Hospital of China Medical University, 155 Nanjing North Street, Heping District, Shenyang, Liaoning Province 110001, People's Republic of China
| | - Naijin Zhang
- Department of Cardiology, the First Hospital of China Medical University, 155 Nanjing North Street, Heping District, Shenyang, Liaoning Province 110001, People's Republic of China; Institute of health sciences, China Medical University, 77 Puhe Road, Shenbei New District, Shenyang, Liaoning Province 110001, People's Republic of China; Key Laboratory of Reproductive and Genetic Medicine (China Medical University), National Health Commission, Shenyang 110004, China.
| | - Hao Feng
- Department of Ophthalmology, The First Affiliated Hospital of China Medical University, 155 Nanjing North Street, Heping District, Shenyang, Liaoning Province 110001, People's Republic of China.
| | - Man Tang
- Department of clinical pharmacology, College of Pharmacy, China Medical University, 77 Puhe Road, Shenbei New District, Shenyang, Liaoning Province 110001, People's Republic of China.
| | - Zhao Li
- Department of Cardiology, the First Hospital of China Medical University, 155 Nanjing North Street, Heping District, Shenyang, Liaoning Province 110001, People's Republic of China.
| | - Guozhe Sun
- Department of Cardiology, the First Hospital of China Medical University, 155 Nanjing North Street, Heping District, Shenyang, Liaoning Province 110001, People's Republic of China.
| | - Yixiao Zhang
- Department of Urology Surgery, Shengjing Hospital of China Medical University, 36 Sanhao Street, Heping District, Shenyang, Liaoning Province 110004, People's Republic of China.
| | - Yingxian Sun
- Department of Cardiology, the First Hospital of China Medical University, 155 Nanjing North Street, Heping District, Shenyang, Liaoning Province 110001, People's Republic of China; Institute of health sciences, China Medical University, 77 Puhe Road, Shenbei New District, Shenyang, Liaoning Province 110001, People's Republic of China; Key Laboratory of Environmental Stress and Chronic Disease Control and Prevention, Ministry of Education, China Medical University, 77 Puhe Road, Shenbei New District, Shenyang, Liaoning Province 110001, People's Republic of China.
| | - Ying Zhang
- Department of Cardiology, the First Hospital of China Medical University, 155 Nanjing North Street, Heping District, Shenyang, Liaoning Province 110001, People's Republic of China; Institute of health sciences, China Medical University, 77 Puhe Road, Shenbei New District, Shenyang, Liaoning Province 110001, People's Republic of China.
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Li C, Weng J, Yang L, Gong H, Liu Z. Development of an anoikis-related gene signature and prognostic model for predicting the tumor microenvironment and response to immunotherapy in colorectal cancer. Front Immunol 2024; 15:1378305. [PMID: 38779664 PMCID: PMC11109372 DOI: 10.3389/fimmu.2024.1378305] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2024] [Accepted: 04/15/2024] [Indexed: 05/25/2024] Open
Abstract
The effect of anoikis-related genes (ARGs) on clinicopathological characteristics and tumor microenvironment remains unclear. We comprehensively analyzed anoikis-associated gene signatures of 1057 colorectal cancer (CRC) samples based on 18 ARGs. Anoikis-related molecular subtypes and gene features were identified through consensus clustering analysis. The biological functions and immune cell infiltration were assessed using the GSVA and ssGSEA algorithms. Prognostic risk score was constructed using multivariate Cox regression analysis. The immunological features of high-risk and low-risk groups were compared. Finally, DAPK2-overexpressing plasmid was transfected to measure its effect on tumor proliferation and metastasis in vitro and in vivo. We identified 18 prognostic ARGs. Three different subtypes of anoikis were identified and demonstrated to be linked to distinct biological processes and prognosis. Then, a risk score model was constructed and identified as an independent prognostic factor. Compared to the high-risk group, patients in the low-risk group exhibited longer survival, higher enrichment of checkpoint function, increased expression of CTLA4 and PD-L1, higher IPS scores, and a higher proportion of MSI-H. The results of RT-PCR indicated that the expression of DAPK2 mRNA was significantly downregulated in CRC tissues compared to normal tissues. Increased DAPK2 expression significantly suppressed cell proliferation, promoted apoptosis, and inhibited migration and invasion. The nude mice xenograft tumor model confirmed that high expression of DAPK2 inhibited tumor growth. Collectively, we discovered an innovative anoikis-related gene signature associated with prognosis and TME. Besides, our study indicated that DAPK2 can serve as a promising therapeutic target for inhibiting the growth and metastasis of CRC.
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Affiliation(s)
- Chuanchang Li
- Department of General Surgery, Shuguang Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Junyong Weng
- Department of Colorectal Surgery, Fudan University Shanghai Cancer Center, Shanghai, China
| | - Le Yang
- Department of General Surgery, Shuguang Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Hangjun Gong
- Department of Gastrointestinal Surgery, Shuguang Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Zhaolong Liu
- Department of General Surgery, Shuguang Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
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Li X, Hou C, Yang M, Luo B, Mao N, Chen K, Chen Z, Bai Y. The effect of phosphorylation on the conformational dynamics and allostery of the association of death-associated protein kinase with calmodulin. J Biomol Struct Dyn 2024:1-9. [PMID: 38457488 DOI: 10.1080/07391102.2024.2316763] [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: 11/15/2023] [Accepted: 02/05/2024] [Indexed: 03/10/2024]
Abstract
Protein phosphorylation plays an important role in the signal transduction and is capable of regulation of cell activity. The death-associated protein kinase 1 (DAPK1), as a Ser/Thr kinase, interacts with calmodulin (CaM) to regulate apoptotic and autophagic signaling. Autophosphorylation of DAPK1 at Ser308 located at the autoregulatory domain (ARD) blocks CaM binding and inhibits kinase catalytic activity. However, the mechanism underlying the influence of Ser308 phosphorylation (pS308) on the DAPK1 activity remains unclear. Here, we performed multiple, microsecond length molecular dynamics (MD) simulations, the molecular mechanics generalized Born/surface area (MM-GBSA) binding free energy calculations, principal component analysis, and dynamic cross-correlation analysis to unravel the conformational dynamics and allostery of the DAPK1 - CaM interaction triggered by the pS308 at the ARD. MD simulations showed that pS308 affected the conformational stability of the DAPK1 - CaM complex. Further energetic and structural exploration revealed that pS308 weakened the association of the phosphorylated DAPK1 to CaM, which lowered the susceptibility of DAPK1 to be activated by CaM. This result can provide mechanistic insights into the molecular underpinning through which the DAPK1 kinase activity is modulated by the auto-phosphorylation.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Xiaolong Li
- Department of Orthopedics, Changhai Hospital, Affiliated to Naval Medical University, Shanghai, China
| | - Canglong Hou
- Department of Orthopedics, Changhai Hospital, Affiliated to Naval Medical University, Shanghai, China
| | - Mingyuan Yang
- Department of Orthopedics, Changhai Hospital, Affiliated to Naval Medical University, Shanghai, China
| | - Beier Luo
- Department of Orthopedics, Changhai Hospital, Affiliated to Naval Medical University, Shanghai, China
| | - Ningfang Mao
- Department of Orthopedics, Changhai Hospital, Affiliated to Naval Medical University, Shanghai, China
| | - Kai Chen
- Department of Orthopedics, Changhai Hospital, Affiliated to Naval Medical University, Shanghai, China
| | - Ziqiang Chen
- Department of Orthopedics, Changhai Hospital, Affiliated to Naval Medical University, Shanghai, China
| | - Yushu Bai
- Department of Orthopedics, Changhai Hospital, Affiliated to Naval Medical University, Shanghai, China
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Guo S, Zhao Y, Jiang Y, Ye H, Wang Y. Increased pretreatment triglyceride glucose-body mass index associated with poor prognosis in patients with advanced non-small cell lung cancer. Clin Nutr ESPEN 2024; 59:412-421. [PMID: 38220404 DOI: 10.1016/j.clnesp.2023.12.018] [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: 08/23/2023] [Revised: 11/13/2023] [Accepted: 12/13/2023] [Indexed: 01/16/2024]
Abstract
BACKGROUND The association between the triglyceride glucose-body mass index (TyG-BMI) and various health outcomes has been postulated. Nonetheless, the application of TyG-BMI in predicting the prognosis of non-small cell lung cancer (NSCLC) remains poorly understood. Our objective was to explore the association between TyG-BMI and both progression-free survival (PFS) and overall survival (OS) in patients with advanced NSCLC. METHODS A retrospective study was conducted on the data of 426 patients diagnosed with advanced NSCLC between 2018 and 2022. The TyG-BMI values were derived from the serum triglyceride, fasting plasma glucose, and BMI measurements obtained at the time of diagnosis. Cox proportional hazards regression models were applied to examine the impact of TyG-BMI on both progression-free survival (PFS) and overall survival (OS) in advanced NSCLC. RESULTS The median duration of follow-up was 899 days, with an interquartile range of 256-1486 days. In comparison to the lowest tertile of TyG-BMI, the highest tertile model demonstrated a significant association with worse OS (hazard ratio [HR]: 1.85; 95% confidence interval [CI]: 1.21-2.80; P = 0.001) and PFS (HR: 2.10; 95% CI: 1.40-3.10; P < 0.001). Each standard deviation increase in TyG-BMI corresponded to a 10% reduction in OS (95% CI: 1%-24%) and a 14% reduction in PFS (95% CI: 2%-27%). Subgroup analyses indicated that cigarette smokers and individuals with elevated C-reactive protein (CRP) levels exhibited a notably unfavorable prognosis in relation to TyG-BMI-associated advanced NSCLC, as evident in both OS (P for interaction: 0.046 for smoking) and PFS (P for interaction: 0.033 for smoking and 0.049 for CRP). CONCLUSION Our data revealed a causal relationship between TyG-BMI and an unfavorable prognosis in patients with advanced NSCLC. Furthermore, this independent association exhibits greater significance in individuals who are smokers and exhibit higher levels of CRP.
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Affiliation(s)
- Shaoming Guo
- Department of Thoracic Surgery, First Affiliated Hospital of Gannan Medical University, Ganzhou 341000, Jiangxi, China
| | - Yi Zhao
- Department of Surgery, Nanfang Hospital Baiyun Branch, Southern Medical University, Guangzhou 510460, Guangdong, China
| | - Yue Jiang
- Department of Thoracic Surgery, First Affiliated Hospital of Gannan Medical University, Ganzhou 341000, Jiangxi, China
| | - Huaping Ye
- Department of Thoracic Surgery, Suichuan County People's Hospital, Jinan 343900, Jiangxi, China
| | - Ying Wang
- Department of Respiratory and Critical Care Medicine, First Affiliated Hospital of Gannan Medical University, Ganzhou, Jiangxi 341000, China.
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Zhang T, Kim BM, Lee TH. Death-associated protein kinase 1 as a therapeutic target for Alzheimer's disease. Transl Neurodegener 2024; 13:4. [PMID: 38195518 PMCID: PMC10775678 DOI: 10.1186/s40035-023-00395-5] [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: 10/04/2023] [Accepted: 12/18/2023] [Indexed: 01/11/2024] Open
Abstract
Alzheimer's disease (AD) is the most prevalent form of dementia in the elderly and represents a major clinical challenge in the ageing society. Neuropathological hallmarks of AD include neurofibrillary tangles composed of hyperphosphorylated tau, senile plaques derived from the deposition of amyloid-β (Aβ) peptides, brain atrophy induced by neuronal loss, and synaptic dysfunctions. Death-associated protein kinase 1 (DAPK1) is ubiquitously expressed in the central nervous system. Dysregulation of DAPK1 has been shown to contribute to various neurological diseases including AD, ischemic stroke and Parkinson's disease (PD). We have established an upstream effect of DAPK1 on Aβ and tau pathologies and neuronal apoptosis through kinase-mediated protein phosphorylation, supporting a causal role of DAPK1 in the pathophysiology of AD. In this review, we summarize current knowledge about how DAPK1 is involved in various AD pathological changes including tau hyperphosphorylation, Aβ deposition, neuronal cell death and synaptic degeneration. The underlying molecular mechanisms of DAPK1 dysregulation in AD are discussed. We also review the recent progress regarding the development of novel DAPK1 modulators and their potential applications in AD intervention. These findings substantiate DAPK1 as a novel therapeutic target for the development of multifunctional disease-modifying treatments for AD and other neurological disorders.
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Affiliation(s)
- Tao Zhang
- Fujian Key Laboratory of Translational Research in Cancer and Neurodegenerative Diseases, Institute of Basic Medicine, School of Basic Medical Sciences, Fujian Medical University, 1 Xuefu North Road, Fuzhou, 350122, Fujian, China
| | - Byeong Mo Kim
- Research Center for New Drug Development, AgingTarget Inc., 10F Ace Cheonggye Tower, 53, Seonggogae-Ro, Uiwang-Si, 16006, Gyeonggi-Do, Korea.
| | - Tae Ho Lee
- Fujian Key Laboratory of Translational Research in Cancer and Neurodegenerative Diseases, Institute of Basic Medicine, School of Basic Medical Sciences, Fujian Medical University, 1 Xuefu North Road, Fuzhou, 350122, Fujian, China.
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Luo QQ, Tian Y, Qu GJ, Huang K, Hu PP, Xue Y, Hu BF, Luo SS. The targeting of DAPK1 with miR-190a-3p promotes autophagy in trophoblast cells. Mol Reprod Dev 2024; 91:e23724. [PMID: 38282318 DOI: 10.1002/mrd.23724] [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: 08/03/2023] [Revised: 11/26/2023] [Accepted: 12/04/2023] [Indexed: 01/30/2024]
Abstract
Pre-eclampsia (PE) is a dangerous pathological status that occurs during pregnancy and is a leading reason for both maternal and fetal death. Autophagy is necessary for cellular survival in the face of environmental stress as well as cellular homeostasis and energy management. Aberrant microRNA (miRNA) expression is crucial in the pathophysiology of PE. Although studies have shown that miRNA (miR)-190a-3p function is tissue-specific, the precise involvement of miR-190a-3p in PE has yet to be determined. We discovered that miR-190a-3p was significantly lower and death-associated protein kinase 1 (DAPK1) was significantly higher in PE placental tissues compared to normal tissues, which is consistent with the results in cells. The luciferase analyses demonstrated the target-regulatory relationship between miR-190a-3p and DAPK1. The inhibitory effect of miR-190a-3p on autophagy was reversed by co-transfection of si-DAPK1 and miR-190a-3p inhibitors. Thus, our data indicate that the hypoxia-dependent miR-190a-3p/DAPK1 regulatory pathway is implicated in the development and progression of PE by promoting autophagy in trophoblast cells.
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Affiliation(s)
- Qi-Qi Luo
- Department of Gerontology, First Affiliated Hospital of Harbin Medical University, Harbin, People's Republic of China
- Department of Cardiovascular Medicine, Army Characteristic Medical Center of PLA, Da ping Hospital, Chongqing, People's Republic of China
| | - Yu Tian
- Department of Gerontology, First Affiliated Hospital of Harbin Medical University, Harbin, People's Republic of China
| | - Guang-Jin Qu
- Department of Gerontology, First Affiliated Hospital of Harbin Medical University, Harbin, People's Republic of China
| | - Kun Huang
- Department of Gerontology, First Affiliated Hospital of Harbin Medical University, Harbin, People's Republic of China
- Department of Gerontology, The First Hospital of Jiaxing, Jiaxing, People's Republic of China
| | - Pan-Pan Hu
- Department of Gerontology, First Affiliated Hospital of Harbin Medical University, Harbin, People's Republic of China
| | - Ying Xue
- Department of Gerontology, First Affiliated Hospital of Harbin Medical University, Harbin, People's Republic of China
| | - Bi-Feng Hu
- Department of Neurology, Army Characteristic Medical Center of PLA, Da ping Hospital, Chongqing, People's Republic of China
| | - Shan-Shun Luo
- Department of Gerontology, First Affiliated Hospital of Harbin Medical University, Harbin, People's Republic of China
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Akinboade MW, Egbemhenghe AU, Abdulkareem TO, Ibrahim IA, Omotara BS, Aderemi OE, Egejuru WA, Ajala CF, Meejay Kanu I, Oluwafemi OO, Aderemi CO, Ddamulira C, Afuape AR, Adekola AT, Ojeyemi T, Otuomagie OI. Identification of promising small-molecule inhibitors targeting STK17B for cancer therapeutics: molecular docking and molecular dynamics investigations. J Biomol Struct Dyn 2023:1-8. [PMID: 38147404 DOI: 10.1080/07391102.2023.2296605] [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: 06/10/2023] [Accepted: 10/02/2023] [Indexed: 12/28/2023]
Abstract
Cancer is a complex disease characterized by the uncontrolled growth of abnormal cells, leading to the formation of tumours. STK17B, a member of the DAPK family, has been implicated in various cancers and is considered a potential therapeutic target. However, no drug in the market has been approved for the treatment of STK17 B-associated cancer disease. This research aimed to identify direct inhibitors of STK17B using computational techniques. Ligand-based virtual screening and molecular docking were performed, resulting in the selection of three lead compounds (CID_135698391, CID_135453100, CID_136599608) with superior binding affinities compared to the reference compound dovitinib. While molecular docking simulation revealed specific interactions between the lead compounds and key amino acid residues at the binding pocket of STK17B, molecular dynamics simulations demonstrated that CID_135453100 and CID_136599608 exhibit stable conformations and comparable flexibility to dovitinib. However, CID_135698391 did not perform well using this metric as it displayed poor stability. Overall, small-molecule compounds CID_135453100 and CID_136599608 showed promising binding interactions and stability, suggesting their potential as direct inhibitors of STK17B. These findings could contribute to the exploration of novel therapeutic options targeting STK17B in cancer treatment.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
| | | | | | | | - Bamidele Samson Omotara
- Department of Chemistry and Chemical Engineering, University of New Haven, West Haven, CT, USA
| | - Olajide Enoch Aderemi
- Department of Chemistry and Chemical Engineering, University of New Haven, West Haven, CT, USA
| | | | | | - Ihunanya Meejay Kanu
- Department of Epidemiology and Biotatistics, Jackson State University, Jackson, MS, USA
| | | | | | | | | | | | - Toluwalase Ojeyemi
- Department of Environmental Toxicology, Texas Tech University, Lubbock, TX, USA
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Sun J, Yu H, Wang Y, Li L, Zhu J, Ma P, Feng Z, Tu C. Classical swine fever virus NS5A protein activates autophagy via the PP2A-DAPK3-Beclin 1 axis. J Virol 2023; 97:e0098823. [PMID: 38038430 PMCID: PMC10734420 DOI: 10.1128/jvi.00988-23] [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: 08/12/2023] [Accepted: 11/06/2023] [Indexed: 12/02/2023] Open
Abstract
IMPORTANCE Autophagy is a conserved degradation process that maintains cellular homeostasis and regulates native and adaptive immunity. Viruses have evolved diverse strategies to inhibit or activate autophagy for their benefit. The paper reveals that CSFV NS5A mediates the dissociation of PP2A from Beclin 1 and the association of PP2A with DAPK3 by interaction with PPP2R1A and DAPK3, PP2A dephosphorylates DAPK3 to activate its protein kinase activity, and activated DAPK3 phosphorylates Beclin 1 to trigger autophagy, indicating that NS5A activates autophagy via the PP2A-DAPK3-Beclin 1 axis. These data highlight a novel mechanism by which CSFV activates autophagy to favor its replication, thereby contributing to the development of antiviral strategies.
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Affiliation(s)
- Jinfu Sun
- College of Life and Health Sciences, Northeastern University, Shenyang, China
- Key Laboratory of Bioresource Research and Development of Liaoning Province, Shenyang, China
| | - Haixiao Yu
- College of Life and Health Sciences, Northeastern University, Shenyang, China
- Key Laboratory of Bioresource Research and Development of Liaoning Province, Shenyang, China
| | - Yingnan Wang
- College of Life and Health Sciences, Northeastern University, Shenyang, China
- Key Laboratory of Bioresource Research and Development of Liaoning Province, Shenyang, China
| | - Liming Li
- College of Life and Health Sciences, Northeastern University, Shenyang, China
- Key Laboratory of Bioresource Research and Development of Liaoning Province, Shenyang, China
| | - Jinqi Zhu
- College of Life and Health Sciences, Northeastern University, Shenyang, China
- Key Laboratory of Bioresource Research and Development of Liaoning Province, Shenyang, China
| | - Ping Ma
- College of Life and Health Sciences, Northeastern University, Shenyang, China
- Key Laboratory of Bioresource Research and Development of Liaoning Province, Shenyang, China
| | - Zezhong Feng
- College of Life and Health Sciences, Northeastern University, Shenyang, China
- Key Laboratory of Bioresource Research and Development of Liaoning Province, Shenyang, China
| | - Changchun Tu
- Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun, China
- Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Disease and Zoonoses, Yangzhou University, Yangzhou, China
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Muthusamy K, Ramasamy G, Ravikumar C, Natesan S, Muthurajan R, Uthandi S, Kalyanasundaram K, Tiwari V. Exploring bixin from Bixa orellana L. seeds: quantification and in silico insights into its anti-cancer potential. J Biomol Struct Dyn 2023:1-15. [PMID: 37837422 DOI: 10.1080/07391102.2023.2268202] [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: 03/29/2023] [Accepted: 10/03/2023] [Indexed: 10/16/2023]
Abstract
Bixin, the key pigment of Bixa orellana L., is an apo-carotenoid found in the seed arils. The present study aimed to quantitatively determine the bixin content of seeds and explore its anti-cancer activity through in silico studies. The bixin content from the seeds of the local genotype, TNMTP8, quantified by RP-HPLC was 4.58 mg per gram. The prediction of pharmacological activity suggested that bixin may serve as a BRAF, MMP9, TNF expression inhibitors, and TP53 expression enhancer. According to molecular docking analysis, bixin interacted with eight different skin cancer targets and had the lowest binding energy compared to the standard drug, 5-fluorouracil. The binding score between bixin and the targets ranged from -4.7 to -8.7 kcal/mol. The targets BRAF and SIRT3 interacted well with bixin, with binding energies as low as -8.3 and -8.7 kcal/mol, respectively. Hence, the dynamic behavior of these two docked complexes throughout a 500 ns trajectory run was investigated further. The Root Mean Square Deviation (RMSD), Root Mean Square Fluctuation (RMSF) values, and total contacts as a function of time recorded during scrutiny suggest that both complexes were stable. This was validated by post-molecular dynamics analysis using Molecular Mechanics Generalized Born Surface Area (MM-GBSA). Principal component analysis (PCA) was used to analyze the significant differences in motion exhibited by BRAF-Bixin and SIRT3-Bixin. The results showed that bixin is a promising source for potential treatment interventions in skin cancer therapies.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Kaviyapriya Muthusamy
- Centre for Plant Molecular Biology and Biotechnology, Tamil Nadu Agricultural University, Coimbatore, India
| | - Gnanam Ramasamy
- Centre for Plant Molecular Biology and Biotechnology, Tamil Nadu Agricultural University, Coimbatore, India
| | - Caroline Ravikumar
- Centre for Plant Molecular Biology and Biotechnology, Tamil Nadu Agricultural University, Coimbatore, India
| | - Senthil Natesan
- Centre for Plant Molecular Biology and Biotechnology, Tamil Nadu Agricultural University, Coimbatore, India
| | - Raveendran Muthurajan
- Centre for Plant Molecular Biology and Biotechnology, Tamil Nadu Agricultural University, Coimbatore, India
| | - Sivakumar Uthandi
- Biocatalysts Laboratory, Department of Agricultural Microbiology, Tamil Nadu Agricultural University, Coimbatore, India
| | - Kumaran Kalyanasundaram
- Department of Forest Biology and Tree Improvement, Forest College and Research Institute, Tamil Nadu Agricultural University, Coimbatore, India
| | - Vikas Tiwari
- National Centre for Biological Sciences, Tata Institute of Fundamental Research, Bangalore, India
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11
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Merat R. The human antigen R as an actionable super-hub within the network of cancer cell persistency and plasticity. Transl Oncol 2023; 35:101722. [PMID: 37352624 DOI: 10.1016/j.tranon.2023.101722] [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: 04/07/2023] [Revised: 05/30/2023] [Accepted: 06/12/2023] [Indexed: 06/25/2023] Open
Abstract
In this perspective article, a clinically inspired phenotype-driven experimental approach is put forward to address the challenge of the adaptive response of solid cancers to small-molecule targeted therapies. A list of conditions is derived, including an experimental quantitative assessment of cell plasticity and an information theory-based detection of in vivo dependencies, for the discovery of post-transcriptional druggable mechanisms capable of preventing at multiple levels the emergence of plastic dedifferentiated slow-proliferating cells. The approach is illustrated by the author's own work in the example case of the adaptive response of BRAFV600-melanoma to BRAF inhibition. A bench-to-bedside and back to bench effort leads to a therapeutic strategy in which the inhibition of the baseline activity of the interferon-γ-activated inhibitor of translation (GAIT) complex, incriminated in the expression insufficiency of the RNA-binding protein HuR in a minority of cells, results in the suppression of the plastic, intermittently slow-proliferating cells involved in the adaptive response. A similar approach is recommended for the validation of other classes of mechanisms that we seek to modulate to overcome this complex challenge of modern cancer therapy.
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Affiliation(s)
- Rastine Merat
- Dermato-Oncology Unit, Division of Dermatology, Geneva University Hospitals, Switzerland; Department of Pathology and Immunology, Faculty of Medicine, University of Geneva, Switzerland.
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12
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Makgoo L, Mosebi S, Mbita Z. The Role of Death-Associated Protein Kinase-1 in Cell Homeostasis-Related Processes. Genes (Basel) 2023; 14:1274. [PMID: 37372454 DOI: 10.3390/genes14061274] [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: 05/25/2023] [Revised: 06/10/2023] [Accepted: 06/12/2023] [Indexed: 06/29/2023] Open
Abstract
Tremendous amount of financial resources and manpower have been invested to understand the function of numerous genes that are deregulated during the carcinogenesis process, which can be targeted for anticancer therapeutic interventions. Death-associated protein kinase 1 (DAPK-1) is one of the genes that have shown potential as biomarkers for cancer treatment. It is a member of the kinase family, which also includes Death-associated protein kinase 2 (DAPK-2), Death-associated protein kinase 3 (DAPK-3), Death-associated protein kinase-related apoptosis-inducing kinase 1 (DRAK-1) and Death-associated protein kinase-related apoptosis-inducing kinase 2 (DRAK-2). DAPK-1 is a tumour-suppressor gene that is hypermethylated in most human cancers. Additionally, DAPK-1 regulates a number of cellular processes, including apoptosis, autophagy and the cell cycle. The molecular basis by which DAPK-1 induces these cell homeostasis-related processes for cancer prevention is less understood; hence, they need to be investigated. The purpose of this review is to discuss the current understanding of the mechanisms of DAPK-1 in cell homeostasis-related processes, especially apoptosis, autophagy and the cell cycle. It also explores how the expression of DAPK-1 affects carcinogenesis. Since deregulation of DAPK-1 is implicated in the pathogenesis of cancer, altering DAPK-1 expression or activity may be a promising therapeutic strategy against cancer.
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Affiliation(s)
- Lilian Makgoo
- Department of Biochemistry, Microbiology and Biotechnology, University of Limpopo, Private Bag X1106, Pietersburg 0727, Sovenga, South Africa
| | - Salerwe Mosebi
- Department of Life and Consumer Sciences, University of South Africa, Private Bag X6, Johanessburg 1710, Florida, South Africa
| | - Zukile Mbita
- Department of Biochemistry, Microbiology and Biotechnology, University of Limpopo, Private Bag X1106, Pietersburg 0727, Sovenga, South Africa
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13
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Guo X, Li C, Wang Y, Jiang C, Yang L. Long non-coding RNA nuclear paraspeckle assembly transcript 1 downregulation protects lens epithelial cells from oxidative stress-induced apoptosis by regulating the microRNA-124-3p/death-associated protein kinase 1 axis in age-related cataract. Int Ophthalmol 2023:10.1007/s10792-023-02749-4. [PMID: 37191928 DOI: 10.1007/s10792-023-02749-4] [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: 04/22/2022] [Accepted: 05/06/2023] [Indexed: 05/17/2023]
Abstract
Oxidative stress plays a significant role in cataract development. It causes the apoptosis of lens epithelial cells (LECs), resulting in lens opacification and accelerating cataract progression. Long non-coding RNAs (lncRNAs) and microRNAs have been linked to cataract development. Notably, lncRNA nuclear paraspeckle assembly transcript 1 (NEAT1) is involved in LEC apoptosis and cataract formation. However, the molecular mechanism by which NEAT1 causes age-related cataracts remains unknown. In this study, LECs (SRA01/04) were exposed to 200 μM H2O2 to generate an in vitro cataract model. The apoptosis and viability of cells were determined using flow cytometry and 3-(4, 5-Dimethylthiazol-2-yl)-2, 5-diphenyl tetrazolium bromide assays, respectively. Additionally, western blotting and quantitative polymerase chain reaction were used to determine the miRNA and lncRNA expression levels. When LECs were treated with hydrogen peroxide, lncRNA NEAT1 expression levels were significantly upregulated, which contributed to LEC apoptosis. Notably, lncRNA NEAT1 suppressed the expression of miR-124-3p, a critical regulator of apoptosis, whereas NEAT1 inhibition increased miR-124-3p expression and alleviated apoptosis. However, this effect was reversed when miR1243p expression was inhibited. Additionally, the miR1243p mimic effectively inhibited the death-associated protein kinase 1 (DAPK1) expression and apoptosis of LECs, while the DAPK1 mimic reversed these effects. In conclusion, our findings indicate that the lncRNA NEAT1/miR-124-3p/DAPK1 signaling loop is involved in the regulation of LEC apoptosis induced by oxidative stress, which can be exploited to develop potential treatment strategies for age-related cataracts.
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Affiliation(s)
- Xuanni Guo
- Department of Ophthalmology, Xianyang Central Hospital, No.78 Renmin East Road, Xianyang, 712000, China
| | - Chunyan Li
- Department of Ophthalmology, Xianyang Central Hospital, No.78 Renmin East Road, Xianyang, 712000, China.
| | - Yongbin Wang
- Department of Ophthalmology, Xianyang Central Hospital, No.78 Renmin East Road, Xianyang, 712000, China
| | - Chunhui Jiang
- Department of Ophthalmology, Xianyang Central Hospital, No.78 Renmin East Road, Xianyang, 712000, China
| | - Li Yang
- Department of Ophthalmology, Xianyang Central Hospital, No.78 Renmin East Road, Xianyang, 712000, China
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14
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Abruscato G, Chiarelli R, Lazzara V, Punginelli D, Sugár S, Mauro M, Librizzi M, Di Stefano V, Arizza V, Vizzini A, Vazzana M, Luparello C. In Vitro Cytotoxic Effect of Aqueous Extracts from Leaves and Rhizomes of the Seagrass Posidonia oceanica (L.) Delile on HepG2 Liver Cancer Cells: Focus on Autophagy and Apoptosis. BIOLOGY 2023; 12:biology12040616. [PMID: 37106816 PMCID: PMC10135731 DOI: 10.3390/biology12040616] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Revised: 04/11/2023] [Accepted: 04/15/2023] [Indexed: 04/29/2023]
Abstract
Aqueous extracts from Posidonia oceanica's green and brown (beached) leaves and rhizomes were prepared, submitted to phenolic compound and proteomic analysis, and examined for their potential cytotoxic effect on HepG2 liver cancer cells in culture. The chosen endpoints related to survival and death were cell viability and locomotory behavior, cell-cycle analysis, apoptosis and autophagy, mitochondrial membrane polarization, and cell redox state. Here, we show that 24 h exposure to both green-leaf- and rhizome-derived extracts decreased tumor cell number in a dose-response manner, with a mean half maximal inhibitory concentration (IC50) estimated at 83 and 11.5 μg of dry extract/mL, respectively. Exposure to the IC50 of the extracts appeared to inhibit cell motility and long-term cell replicating capacity, with a more pronounced effect exerted by the rhizome-derived preparation. The underlying death-promoting mechanisms identified involved the down-regulation of autophagy, the onset of apoptosis, the decrease in the generation of reactive oxygen species, and the dissipation of mitochondrial transmembrane potential, although, at the molecular level, the two extracts appeared to elicit partially differentiating effects, conceivably due to their diverse composition. In conclusion, P. oceanica extracts merit further investigation to develop novel promising prevention and/or treatment agents, as well as beneficial supplements for the formulation of functional foods and food-packaging material with antioxidant and anticancer properties.
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Affiliation(s)
- Giulia Abruscato
- Dipartimento di Scienze e Tecnologie Biologiche Chimiche e Farmaceutiche (STEBICEF), Università di Palermo, 90128 Palermo, Italy
| | - Roberto Chiarelli
- Dipartimento di Scienze e Tecnologie Biologiche Chimiche e Farmaceutiche (STEBICEF), Università di Palermo, 90128 Palermo, Italy
| | - Valentina Lazzara
- Dipartimento di Scienze e Tecnologie Biologiche Chimiche e Farmaceutiche (STEBICEF), Università di Palermo, 90128 Palermo, Italy
| | - Diletta Punginelli
- Dipartimento di Scienze e Tecnologie Biologiche Chimiche e Farmaceutiche (STEBICEF), Università di Palermo, 90128 Palermo, Italy
| | - Simon Sugár
- MS Proteomics Research Group, Research Centre for Natural Sciences, Eötvös Loránd Research Network, 1117 Budapest, Hungary
| | - Manuela Mauro
- Dipartimento di Scienze e Tecnologie Biologiche Chimiche e Farmaceutiche (STEBICEF), Università di Palermo, 90128 Palermo, Italy
| | - Mariangela Librizzi
- Dipartimento di Scienze e Tecnologie Biologiche Chimiche e Farmaceutiche (STEBICEF), Università di Palermo, 90128 Palermo, Italy
| | - Vita Di Stefano
- Dipartimento di Scienze e Tecnologie Biologiche Chimiche e Farmaceutiche (STEBICEF), Università di Palermo, 90128 Palermo, Italy
| | - Vincenzo Arizza
- Dipartimento di Scienze e Tecnologie Biologiche Chimiche e Farmaceutiche (STEBICEF), Università di Palermo, 90128 Palermo, Italy
| | - Aiti Vizzini
- Dipartimento di Scienze e Tecnologie Biologiche Chimiche e Farmaceutiche (STEBICEF), Università di Palermo, 90128 Palermo, Italy
| | - Mirella Vazzana
- Dipartimento di Scienze e Tecnologie Biologiche Chimiche e Farmaceutiche (STEBICEF), Università di Palermo, 90128 Palermo, Italy
| | - Claudio Luparello
- Dipartimento di Scienze e Tecnologie Biologiche Chimiche e Farmaceutiche (STEBICEF), Università di Palermo, 90128 Palermo, Italy
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15
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Icaritin alleviates cerebral ischemia‒reperfusion injury by regulating NMDA receptors through ERK signaling. Eur J Pharmacol 2023; 941:175492. [PMID: 36610684 DOI: 10.1016/j.ejphar.2023.175492] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Revised: 11/28/2022] [Accepted: 01/04/2023] [Indexed: 01/06/2023]
Abstract
N-methyl-D-aspartate (NMDA) receptors are key signaling molecules that mediate excitotoxicity during cerebral ischemia. GluN2A-containing NMDA receptors, which are mostly located in the intrasynaptic region, mediate normal physiological processes and promote neuronal survival. GluN2B-containing NMDA receptors, which are mostly located in the extrasynaptic region, mediate excitotoxicity injury and promote neuronal death during ischemia. This study investigated the ability of icaritin (ICT) to protect against cerebral ischemia‒reperfusion injury (CI/RI) by regulating GluN2B-containing NMDA receptors through extracellular signaling regulatory kinases/death associated protein kinase 1 (ERK/DAPK1) signaling. A rat CI/RI model was established by transient middle cerebral artery occlusion (tMCAO). Following treatment with ICT and the ERK-specific inhibitor U0126, cerebral infarction, neurological function, and excitotoxicity-related molecule expression were assessed 24 h after reperfusion. ICT treatment significantly decreased cerebral infarct volume, improved neurological function, and regulated NMDA receptor subtype expression and ERK/DAPK1 signaling activation. The ability of ICT to increase GluN2A and postsynaptic density protein 95 (PSD95) mRNA and protein expression, inhibit GluN2B expression, and regulate DAPK1 activation was reversed after administration of the ERK-specific inhibitor U0126. These data indicated that ICT inhibited excitotoxicity injury and exerted a protective effect against CI/RI that was likely mediated by increased ERK signaling pathway activation and regulation of extrasynaptic and intrasynaptic NMDA receptor function, providing a new therapeutic target for ischemic encephalopathy.
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16
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Zhang L, Luo B, Lu Y, Chen Y. Targeting Death-Associated Protein Kinases for Treatment of Human Diseases: Recent Advances and Future Directions. J Med Chem 2023; 66:1112-1136. [PMID: 36645394 DOI: 10.1021/acs.jmedchem.2c01606] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
The death-associated protein kinase (DAPK) family is a member of the calcium/calmodulin-regulated serine/threonine protein kinase family, and studies have shown that its role, as its name suggests, is mainly to regulate cell death. The DAPK family comprises five members, including DAPK1, DAPK2, DAPK3, DRAK1 and DRAK2, which show high homology in the common N-terminal kinase domain but differ in the extra-catalytic domain. Notably, previous research has suggested that the DAPK family plays an essential role in both the development and regulation of human diseases. However, only a few small-molecule inhibitors have been reported. In this Perspective, we mainly discuss the structure, biological function, and role of DAPKs in diseases and the currently discovered small-molecule inhibitors, providing valuable information for the development of the DAPK field.
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Affiliation(s)
- Lan Zhang
- Sichuan Engineering Research Center for Biomimetic Synthesis of Natural Drugs, School of Life Science and Engineering, Southwest Jiaotong University, Chengdu, Sichuan 610031, China
| | - Boqin Luo
- Sichuan Engineering Research Center for Biomimetic Synthesis of Natural Drugs, School of Life Science and Engineering, Southwest Jiaotong University, Chengdu, Sichuan 610031, China
| | - Yingying Lu
- Sichuan Engineering Research Center for Biomimetic Synthesis of Natural Drugs, School of Life Science and Engineering, Southwest Jiaotong University, Chengdu, Sichuan 610031, China
| | - Yi Chen
- State Key Laboratory of Biotherapy and Cancer Center and Department of Gastrointestinal Surgery, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China
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17
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Xu LZ, Li BQ, Li FY, Li Y, Qin W, Zhao Y, Jia JP. NMDA Receptor GluN2B Subunit Is Involved in Excitotoxicity Mediated by Death-Associated Protein Kinase 1 in Alzheimer's Disease. J Alzheimers Dis 2023; 91:877-893. [PMID: 36502323 DOI: 10.3233/jad-220747] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
BACKGROUND Alzheimer's disease (AD) is the most common form of neurodegenerative dementia among the elderly. Excitotoxicity has been implicated as playing a dominant role in AD, especially related to the hyperactivation of excitatory neurons. Death-associated protein kinase 1 (DAPK1) is a calcium/calmodulin-dependent kinase and involved in the pathogenesis of AD, but the roles and mechanisms of DAPK1 in excitotoxicity in AD are still uncertain. OBJECTIVE We mainly explored the underlying mechanisms of DAPK1 involved in the excitotoxicity of AD and its clinical relevance. METHODS Differentiated SH-SY5Y human neuroblastoma cells, PS1 V97 L transgenic mice, and human plasma samples were used. Protein expression was assayed by immunoblotting, and intracellular calcium and neuronal damage were analyzed by flow cytometry. Plasma DAPK1 was measured by ELISA. RESULTS We found that DAPK1 was activated after amyloid-β oligomers (AβOs) exposure in differentiated SH-SY5Y cells. Besides, we found the phosphorylation of GluN2B subunit at Ser1303 was increased, which contributing to excitotoxicity and Ca2+ overload in SH-SY5Y cells. Inhibiting DAPK1 activity, knockdown of DAPK1 expression, and antagonizing GluN2B subunits could effectively prevent AβOs-induced activation of GluN2B subunit, Ca2+ overload, and neuronal apoptosis. Additionally, we found that DAPK1 was elevated in the brain of AD transgenic mouse and in the plasma of AD patients. CONCLUSION Our finding will help to understand the mechanism of DAPK1 in the excitotoxicity in AD and provide a reference for the diagnosis and therapy of AD.
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Affiliation(s)
- Ling-Zhi Xu
- Innovation Center for Neurological Disorders and Department of Neurology, Xuanwu Hospital, Capital Medical University, National Clinical Research Center for Geriatric Diseases, Beijing, P.R. China.,Beijing Key Laboratory of Geriatric Cognitive Disorders, Beijing, P.R. China.,Clinical Center for Neurodegenerative Disease and Memory Impairment, Capital Medical University, Beijing, P.R. China.,Center of Alzheimer's Disease, Beijing Institute of Brain Disorders, Collaborative Innovation Center for Brain Disorders, Capital Medical University, Beijing, P.R. China.,Key Laboratory of Neurodegenerative Diseases, Ministry of Education, Beijing, P.R. China
| | - Bing-Qiu Li
- Innovation Center for Neurological Disorders and Department of Neurology, Xuanwu Hospital, Capital Medical University, National Clinical Research Center for Geriatric Diseases, Beijing, P.R. China.,Beijing Key Laboratory of Geriatric Cognitive Disorders, Beijing, P.R. China.,Clinical Center for Neurodegenerative Disease and Memory Impairment, Capital Medical University, Beijing, P.R. China.,Center of Alzheimer's Disease, Beijing Institute of Brain Disorders, Collaborative Innovation Center for Brain Disorders, Capital Medical University, Beijing, P.R. China.,Key Laboratory of Neurodegenerative Diseases, Ministry of Education, Beijing, P.R. China
| | - Fang-Yu Li
- Innovation Center for Neurological Disorders and Department of Neurology, Xuanwu Hospital, Capital Medical University, National Clinical Research Center for Geriatric Diseases, Beijing, P.R. China.,Beijing Key Laboratory of Geriatric Cognitive Disorders, Beijing, P.R. China.,Clinical Center for Neurodegenerative Disease and Memory Impairment, Capital Medical University, Beijing, P.R. China.,Center of Alzheimer's Disease, Beijing Institute of Brain Disorders, Collaborative Innovation Center for Brain Disorders, Capital Medical University, Beijing, P.R. China.,Key Laboratory of Neurodegenerative Diseases, Ministry of Education, Beijing, P.R. China
| | - Ying Li
- Innovation Center for Neurological Disorders and Department of Neurology, Xuanwu Hospital, Capital Medical University, National Clinical Research Center for Geriatric Diseases, Beijing, P.R. China.,Beijing Key Laboratory of Geriatric Cognitive Disorders, Beijing, P.R. China.,Clinical Center for Neurodegenerative Disease and Memory Impairment, Capital Medical University, Beijing, P.R. China.,Center of Alzheimer's Disease, Beijing Institute of Brain Disorders, Collaborative Innovation Center for Brain Disorders, Capital Medical University, Beijing, P.R. China.,Key Laboratory of Neurodegenerative Diseases, Ministry of Education, Beijing, P.R. China
| | - Wei Qin
- Innovation Center for Neurological Disorders and Department of Neurology, Xuanwu Hospital, Capital Medical University, National Clinical Research Center for Geriatric Diseases, Beijing, P.R. China.,Beijing Key Laboratory of Geriatric Cognitive Disorders, Beijing, P.R. China.,Clinical Center for Neurodegenerative Disease and Memory Impairment, Capital Medical University, Beijing, P.R. China.,Center of Alzheimer's Disease, Beijing Institute of Brain Disorders, Collaborative Innovation Center for Brain Disorders, Capital Medical University, Beijing, P.R. China.,Key Laboratory of Neurodegenerative Diseases, Ministry of Education, Beijing, P.R. China
| | - Yu Zhao
- Key Laboratory of Neurodegenerative Diseases, Ministry of Education, Beijing, P.R. China.,Cell Therapy Center, Beijing Institute of Geriatrics, Xuanwu Hospital Capital Medical University, National Clinical Research Center for Geriatric Diseases, Beijing, P.R. China
| | - Jian-Ping Jia
- Innovation Center for Neurological Disorders and Department of Neurology, Xuanwu Hospital, Capital Medical University, National Clinical Research Center for Geriatric Diseases, Beijing, P.R. China.,Beijing Key Laboratory of Geriatric Cognitive Disorders, Beijing, P.R. China.,Clinical Center for Neurodegenerative Disease and Memory Impairment, Capital Medical University, Beijing, P.R. China.,Center of Alzheimer's Disease, Beijing Institute of Brain Disorders, Collaborative Innovation Center for Brain Disorders, Capital Medical University, Beijing, P.R. China.,Key Laboratory of Neurodegenerative Diseases, Ministry of Education, Beijing, P.R. China
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18
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Li X, Li B, Li J, Yang M, Bai Y, Chen K, Chen Z, Mao N. Mechanistic insights into the role of calcium in the allosteric regulation of the calmodulin-regulated death-associated protein kinase. Front Mol Biosci 2022; 9:1104942. [PMID: 36601586 PMCID: PMC9806222 DOI: 10.3389/fmolb.2022.1104942] [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: 11/22/2022] [Accepted: 12/08/2022] [Indexed: 12/23/2022] Open
Abstract
Calcium (Ca2+) signaling plays an important role in the regulation of many cellular functions. Ca2+-binding protein calmodulin (CaM) serves as a primary effector of calcium function. Ca2+/CaM binds to the death-associated protein kinase 1 (DAPK1) to regulate intracellular signaling pathways. However, the mechanism underlying the influence of Ca2+ on the conformational dynamics of the DAPK1-CaM interactions is still unclear. Here, we performed large-scale molecular dynamics (MD) simulations of the DAPK1-CaM complex in the Ca2+-bound and-unbound states to reveal the importance of Ca2+. MD simulations revealed that removal of Ca2+ increased the anti-correlated inter-domain motions between DAPK1 and CaM, which weakened the DAPK1-CaM interactions. Binding free energy calculations validated the decreased DAPK1-CaM interactions in the Ca2+-unbound state. Structural analysis further revealed that Ca2+ removal caused the significant conformational changes at the DAPK1-CaM interface, especially the helices α1, α2, α4, α6, and α7 from the CaM and the basic loop and the phosphate-binding loop from the DAPK1. These results may be useful to understand the biological role of Ca2+ in physiological processes.
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Affiliation(s)
- Xiaolong Li
- Department of Orthopedics, Changhai Hospital, Naval Medical University, Shanghai, China
| | - Bo Li
- Department of Orthopedics, Changhai Hospital, Naval Medical University, Shanghai, China
| | - Jun Li
- Department of Orthopedics, Tongji Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Mingyuan Yang
- Department of Orthopedics, Changhai Hospital, Naval Medical University, Shanghai, China
| | - Yushu Bai
- Department of Orthopedics, Changhai Hospital, Naval Medical University, Shanghai, China,*Correspondence: Yushu Bai, ; Kai Chen, ; Ziqiang Chen, ; Ningfang Mao,
| | - Kai Chen
- Department of Orthopedics, Changhai Hospital, Naval Medical University, Shanghai, China,*Correspondence: Yushu Bai, ; Kai Chen, ; Ziqiang Chen, ; Ningfang Mao,
| | - Ziqiang Chen
- Department of Orthopedics, Changhai Hospital, Naval Medical University, Shanghai, China,*Correspondence: Yushu Bai, ; Kai Chen, ; Ziqiang Chen, ; Ningfang Mao,
| | - Ningfang Mao
- Department of Orthopedics, Changhai Hospital, Naval Medical University, Shanghai, China,*Correspondence: Yushu Bai, ; Kai Chen, ; Ziqiang Chen, ; Ningfang Mao,
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19
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Kao DS, Du Y, DeMarco AG, Min S, Hall MC, Rochet JC, Tao WA. Identification of Novel Kinases of Tau Using Fluorescence Complementation Mass Spectrometry (FCMS). Mol Cell Proteomics 2022; 21:100441. [PMID: 36379402 PMCID: PMC9755369 DOI: 10.1016/j.mcpro.2022.100441] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2022] [Revised: 11/09/2022] [Accepted: 11/10/2022] [Indexed: 11/15/2022] Open
Abstract
Hyperphosphorylation of the microtubule-associated protein Tau is a major hallmark of Alzheimer's disease and other tauopathies. Understanding the protein kinases that phosphorylate Tau is critical for the development of new drugs that target Tau phosphorylation. At present, the repertoire of the Tau kinases remains incomplete, and methods to uncover novel upstream protein kinases are still limited. Here, we apply our newly developed proteomic strategy, fluorescence complementation mass spectrometry, to identify novel kinase candidates of Tau. By constructing Tau- and kinase-fluorescent fragment library, we detected 59 Tau-associated kinases, including 23 known kinases of Tau and 36 novel candidate kinases. In the validation phase using in vitro phosphorylation, among 15 candidate kinases we attempted to purify and test, four candidate kinases, OXSR1 (oxidative-stress responsive gene 1), DAPK2 (death-associated protein kinase 2), CSK (C-terminal SRC kinase), and ZAP70 (zeta chain of T-cell receptor-associated protein kinase 70), displayed the ability to phosphorylate Tau in time-course experiments. Furthermore, coexpression of these four kinases along with Tau increased the phosphorylation of Tau in human neuroglioma H4 cells. We demonstrate that fluorescence complementation mass spectrometry is a powerful proteomic strategy to systematically identify potential kinases that can phosphorylate Tau in cells. Our discovery of new candidate kinases of Tau can present new opportunities for developing Alzheimer's disease therapeutic strategies.
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Affiliation(s)
- Der-Shyang Kao
- Department of Biochemistry, Purdue University, West Lafayette, Indiana, USA
| | - Yanyan Du
- Department of Biochemistry, Purdue University, West Lafayette, Indiana, USA
| | - Andrew G DeMarco
- Department of Biochemistry, Purdue University, West Lafayette, Indiana, USA
| | - Sehong Min
- Department of Medicinal Chemistry and Molecular Pharmacology, Purdue University, West Lafayette, Indiana, USA
| | - Mark C Hall
- Department of Biochemistry, Purdue University, West Lafayette, Indiana, USA; Purdue Center for Cancer Research, Purdue University, West Lafayette, Indiana, USA
| | - Jean-Christophe Rochet
- Department of Medicinal Chemistry and Molecular Pharmacology, Purdue University, West Lafayette, Indiana, USA; Purdue Institute for Integrative Neuroscience, Purdue University, West Lafayette, Indiana, USA
| | - W Andy Tao
- Department of Biochemistry, Purdue University, West Lafayette, Indiana, USA; Department of Medicinal Chemistry and Molecular Pharmacology, Purdue University, West Lafayette, Indiana, USA; Purdue Center for Cancer Research, Purdue University, West Lafayette, Indiana, USA; Department of Chemistry, Purdue University, West Lafayette, Indiana, USA.
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Nikolic N, Carkic J, Jacimovic J, Jakovljevic A, Anicic B, Jezdic Z, Milasin J. Methylation of tumour suppressor genes in benign and malignant salivary gland tumours: a systematic review and meta-analysis. Epigenetics 2022; 17:1661-1676. [PMID: 35287544 PMCID: PMC9620987 DOI: 10.1080/15592294.2022.2052426] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
Abstract
The aim of the present systematic review was to critically analyse the relationship between tumour suppressor genes (TSGs) promoter methylation, a potent mechanism of gene silencing, and the development of salivary gland tumours, as well as the possible effect on clinical/histological characteristics. Review protocol was registered in the International Prospective Register of Systematic Reviews (PROSPERO) database (registration ID CRD42020218511). A comprehensive search of Web of Science, Scopus, PubMed, and Cochrane Central Register of Controlled Trials was performed utilizing relevant key terms, supplemented by a search of grey literature. Newcastle-Ottawa Quality Assessment Scale (NOQAS) was used for the quality assessment of included studies. Sixteen cross-sectional and 12 case-control studies were included in the review, predominantly dealing with methylation in TSGs related to DNA repair, cell cycle, and cell growth regulation and differentiation. Quantitative synthesis could be performed on P16 (inhibitor of cyclin-dependent kinase 4a), RASSF1A (Ras association domain family 1 isoform A) and MGMT (O6-methylguanine DNA methyltransferase) genes only. It showed that P16 and RASSF1A genes were more frequently methylated in salivary gland tumours compared to controls (P = .0002 and P < .0001, respectively), while no significant difference was observed for MGMT. Additionally, P16 did not appear to be related to malignant transformation of pleomorphic adenomas (P = .330). In conclusion, TSG methylation is involved in salivary gland tumour pathogenesis and several genes might play a considerable role. Further studies are needed for a better understanding of complex epigenetic deregulation during salivary gland tumour development and progression.
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Affiliation(s)
- Nadja Nikolic
- University of Belgrade, School of Dental Medicine, Department of Human Genetics, Belgrade, Serbia
- CONTACT Nadja Nikolic University of Belgrade, School of Dental Medicine, Department of Human Genetics, Dr Subotica 1, Belgrade 11 000, Serbia
| | - Jelena Carkic
- University of Belgrade, School of Dental Medicine, Department of Human Genetics, Belgrade, Serbia
| | - Jelena Jacimovic
- University of Belgrade, School of Dental Medicine, Central Library, Belgrade, Serbia
| | - Aleksandar Jakovljevic
- University of Belgrade, School of Dental Medicine, Department of Pathophysiology, Belgrade, Serbia
| | - Boban Anicic
- University of Belgrade, School of Dental Medicine, Clinic for Maxillofacial Surgery, Belgrade, Serbia
| | - Zoran Jezdic
- University of Belgrade, School of Dental Medicine, Clinic for Maxillofacial Surgery, Belgrade, Serbia
| | - Jelena Milasin
- University of Belgrade, School of Dental Medicine, Department of Human Genetics, Belgrade, Serbia
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21
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Zheng Y, Li X, Kuang L, Wang Y. New insights into the characteristics of DRAK2 and its role in apoptosis: From molecular mechanisms to clinically applied potential. Front Pharmacol 2022; 13:1014508. [PMID: 36386181 PMCID: PMC9649744 DOI: 10.3389/fphar.2022.1014508] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Accepted: 10/12/2022] [Indexed: 11/27/2022] Open
Abstract
As a member of the death-associated protein kinase (DAPK) family, DAP kinase-associated apoptosis-inducing kinase 2 (DRAK2) performs apoptosis-related functions. Compelling evidence suggests that DRAK2 is involved in regulating the activation of T lymphocytes as well as pancreatic β-cell apoptosis in type I diabetes. In addition, DRAK2 has been shown to be involved in the development of related tumor and non-tumor diseases through a variety of mechanisms, including exacerbation of alcoholic fatty liver disease (NAFLD) through SRSF6-associated RNA selective splicing mechanism, regulation of chronic lymphocytic leukemia and acute myeloid leukemia, and progression of colorectal cancer. This review focuses on the structure, function, and upstream pathways of DRAK2 and discusses the potential and challenges associated with the clinical application of DRAK2-based small-molecule inhibitors, with the aim of advancing DRAK2 research.
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22
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Hu M, Ge MR, Li HX, Zhang B, Li G. Identification of DAPK1 as an autophagy-related biomarker for myotonic dystrophy type 1. Front Genet 2022; 13:1022640. [PMID: 36338967 PMCID: PMC9634726 DOI: 10.3389/fgene.2022.1022640] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Accepted: 10/07/2022] [Indexed: 11/24/2022] Open
Abstract
Myotonic dystrophy type I (DM1), a CTG repeat expansion hereditary disorder, is primarily characterized by myotonia. Several studies have reported that abnormal autophagy pathway has a close relationship with DM1. However, the underlying key regulatory molecules dictating autophagy disturbance still remains elusive. Previous studies mainly focused on finding targeted therapies for DM1, but the clinical heterogeneity of the DM1 is rarely addressed. Herein, to identify potential regulator genes related to autophagy and cross-correlation among clinical symptoms, we performed weighted gene co-expression network analysis (WGCNA) to construct the co-expression network and screened out 7 core autophagy-related genes (DAPK1, KLHL4, ERBB3, SESN3, ATF4, MEG3, and COL1A1) by overlapping within differentially expressed genes (DEG), cytoHubba, gene significance (GS) and module membership (MM) score. Meanwhile, we here analyzed autophagy-related molecular subtypes of DM1 in relation to the clinical phenotype. Our results show that three genes (DAPK1, SESN3, and MEG3) contribute to distinguish these two molecular subtypes of DM1. We then develop an analysis of RNA-seq data from six human skin fibroblasts (3 DM1, 3 healthy donors). Intriguingly, of the 7 hallmark genes obtained, DAPK1 is the only confirmed gene, and finally identified in vitro by RT-PCR. Furthermore, we assessed the DAPK1 accuracy diagnosis of DM1 by plotting a receiver operating characteristic curve (ROC) (AUC = 0.965). In this study, we first validated autophagy status of DM1 individuals exhibits a clearly heterogeneity. Our study identified and validated DAPK1 serve as a novel autophagy-related biomarker that correlate with the progression of DM1.
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Affiliation(s)
| | | | | | - Bei Zhang
- *Correspondence: Bei Zhang, ; Gang Li,
| | - Gang Li
- *Correspondence: Bei Zhang, ; Gang Li,
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23
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Wang Q, Weng S, Sun Y, Lin Y, Zhong W, Kwok HF, Lin Y. High DAPK1 Expression Promotes Tumor Metastasis of Gastric Cancer. BIOLOGY 2022; 11:biology11101488. [PMID: 36290392 PMCID: PMC9598723 DOI: 10.3390/biology11101488] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/13/2022] [Revised: 10/01/2022] [Accepted: 10/04/2022] [Indexed: 11/05/2022]
Abstract
Gastric cancer (GC) is a common upper gastrointestinal tumor. Death-associated protein kinase (DAPK1) was found to participate in the development of various malignant tumors. However, there are few reports on DAPK1 in gastric cancer. In this study, the TCGA and GEO datasets were used to explore the expression and role of DAPK1 in gastric cancer. The functions of DAPK1 in gastric cancer were determined by proliferation, migration and invasion assays. In addition, genes co-expressed with DAPK1 in gastric cancer were estimated through the WGCNA and correlation analysis. A DAPK1-related gene prognostic model was constructed using the Cox regression and lasso analyses. The expression of DAPK1 was significantly up-regulated in gastric cancer tissues. Kaplan-Meier analysis showed that low expression of DAPK1 was a favorable prognostic factor of overall survival and disease-free survival for gastric cancer patients. Functional experiments demonstrated that DAPK1 can promote the migration and invasion of gastric cancer cells. WGCNA, correlation analysis, Cox regression, and lasso analyses were applied to construct the DAPK1-related prognostic model. The prognostic value of this prognostic model of DAPK1-related genes was further successfully validated in an independent database. Our results indicated that DAPK1 can promote gastric cancer cell migration and invasion and established four DAPK1-related signature genes for gastric cancer that could independently predict the survival of GC patients.
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Affiliation(s)
- Qingshui Wang
- Central Laboratory at the Second Affiliated Hospital of Fujian Traditional Chinese Medical University, Fujian-Macao Science and Technology Cooperation Base of Traditional Chinese Medicine-Oriented Chronic Disease Prevention and Treatment, Innovation and Transformation Center, Fujian University of Traditional Chinese Medicine, Fuzhou 350001, China
- Cancer Centre, Faculty of Health Sciences, University of Macau, Avenida de Universidade, Taipa, Macau SAR, China
- Key Laboratory of Optoelectronic Science and Technology for Medicine of Ministry of Education, College of Life Sciences, Fujian Normal University, Fuzhou 350001, China
| | - Shuyun Weng
- Key Laboratory of Optoelectronic Science and Technology for Medicine of Ministry of Education, College of Life Sciences, Fujian Normal University, Fuzhou 350001, China
| | - Yuqin Sun
- Department of General Surgery, Zhangzhou Affiliated Hospital of Fujian Medical University, Zhangzhou 363000, China
| | - Youyu Lin
- Key Laboratory of Optoelectronic Science and Technology for Medicine of Ministry of Education, College of Life Sciences, Fujian Normal University, Fuzhou 350001, China
| | - Wenting Zhong
- Key Laboratory of Optoelectronic Science and Technology for Medicine of Ministry of Education, College of Life Sciences, Fujian Normal University, Fuzhou 350001, China
| | - Hang Fai Kwok
- Cancer Centre, Faculty of Health Sciences, University of Macau, Avenida de Universidade, Taipa, Macau SAR, China
- MoE Frontiers Science Center for Precision Oncology, University of Macau, Avenida de Universidade, Taipa, Macau SAR, China
- Department of Biomedical Sciences, Faculty of Health Sciences, University of Macau, Avenida de Universidade, Taipa, Macau SAR, China
- Correspondence: (H.F.K.); (Y.L.)
| | - Yao Lin
- Central Laboratory at the Second Affiliated Hospital of Fujian Traditional Chinese Medical University, Fujian-Macao Science and Technology Cooperation Base of Traditional Chinese Medicine-Oriented Chronic Disease Prevention and Treatment, Innovation and Transformation Center, Fujian University of Traditional Chinese Medicine, Fuzhou 350001, China
- Collaborative Innovation Center for Rehabilitation Technology, Fujian University of Traditional Chinese Medicine, Fuzhou 350001, China
- Correspondence: (H.F.K.); (Y.L.)
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Kabekkodu SP, Chakrabarty S, Varghese VK, Ghosh S, Radhakrishnan R, Mallya SP, Kudva A. Salivary DNA methylation markers for cancer of oral cavity. Cancer Biomark 2022; 35:257-268. [PMID: 36245370 DOI: 10.3233/cbm-220028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
PURPOSE: Aberrant DNA methylation plays a crucial role in oral carcinogenesis. Our previous study demonstrated hypermethylation of DAPK1, LRPPRC, RAB6C, and ZNF471 promoters in patients with tongue squamous cell carcinoma compared with normal samples. Methylation profiling using salivary DNA is considered a non-invasive alternative to tissue samples. Hence, the present study tested the DNA methylation status of these four promoters as indicators of oral cancer progression. METHODS: We performed the bisulfite-based targeted next-generation sequencing of four candidate genes in saliva and tissue DNA from normal, premalignant, and squamous cell carcinoma subjects. The clinicopathological association, diagnostic, and prognostic utility of aberrant DNA methylation were evaluated using the TCGA-HNSCC dataset. Using the Xgboost algorithm and logistic regression, CpG sites were prioritized, and Receiver Operating Characteristic was generated. By Log-rank test and Kaplan-Meier (KM) curves, an association between methylation and overall survival (OS), disease-free interval (DFI), and progression-free interval (PFI) were computed. RESULTS: We identified all four genes as significantly hypermethylation in premalignant and malignant samples compared with normal samples. The methylation levels were comparable between saliva and tissue samples with an r-value of 0.6297 to 0.8023 and 0.7823 to 0.9419 between premalignant tissue vs. saliva and OC vs. saliva, respectively. We identified an inverse correlation between DAPK1, LRPPRC, RAB6C, and ZNF471 promoter methylation with its expression. A classifier of 8 differentially methylated CpG sites belonging to DAPK1, RAB6C, and ZNF471 promoters was constructed, showing an AUC of 0.984 to differentiate tumors from normal samples. The differential methylation status of DAPK1, LRPPRC, and ZNF71 promoters was prognostically important. Abnormal expression of all four genes was associated with immune infiltration. CONCLUSIONS: Thus, methylation analysis of these candidate CpG sites from saliva can be helpful as a non-invasive tool for the clinical management of OC.
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Affiliation(s)
- Shama Prasada Kabekkodu
- Department of Cell and Molecular Biology, Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, India
- Centre for DNA repair and Genome Stability (CDRGS), Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, India
| | - Sanjiban Chakrabarty
- Department of Cell and Molecular Biology, Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, India
- Centre for DNA repair and Genome Stability (CDRGS), Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, India
| | - Vinay Koshy Varghese
- Department of Cell and Molecular Biology, Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, India
| | - Supriti Ghosh
- Department of Cell and Molecular Biology, Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, India
| | - Raghu Radhakrishnan
- Department of Oral Pathology, Manipal College of Dental Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, India
| | - Sandeep P. Mallya
- Department of Bioinformatics, Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, India
| | - Adarsh Kudva
- Department of Oral and Maxillofacial Surgery, Manipal College of Dental Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, India
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Shen J, Liang C, Su X, Wang Q, Ke Y, Fang J, Zhang D, Duan S. Dysfunction and ceRNA network of the tumor suppressor miR-637 in cancer development and prognosis. Biomark Res 2022; 10:72. [PMID: 36175921 PMCID: PMC9524011 DOI: 10.1186/s40364-022-00419-8] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Accepted: 09/13/2022] [Indexed: 11/25/2022] Open
Abstract
MicroRNAs (miRNAs) are a class of small non-coding RNAs ranging from 17 to 25 nt in length. miR-637 is down-regulated in most cancers and up-regulated only in clear cell renal cell carcinoma (ccRCC). miR-637 can target 21 protein-coding genes, which are involved in the regulation of cell growth, cell cycle, cell proliferation, epithelial-mesenchymal transition (EMT), cancer cell invasion and metastasis, etc. In glioma, the transcription factor ZEB2 can bind to the miR-637 promoter region and inhibit miR-637 expression. Besides, miR-637 could be negatively regulated by competing endogenous RNA (ceRNAs) comprising 13 circular RNA (circRNAs) and 9 long non-coding RNA (lncRNAs). miR-637 is involved in regulating five signaling pathways, including the Jak/STAT3, Wnt/β-catenin, PI3K/AKT, and ERK signaling pathways. Low miR-637 expression was significantly associated with larger tumors and later tumor node metastasis (TNM) staging in cancer patients. Low miR-637 expression was also associated with poorer overall survival (OS) in cancer patients such as glioblastoma and low-grade gliomas (GBM/LGG), non-small cell lung cancer (NSCLC), hepatocellular carcinoma (HCC), and ovarian cancer (OV). Low expression of miR-637 increases the resistance of colorectal cancer (CRC) and human cholangiocarcinoma (CHOL) cancer cells to three anticancer chemotherapeutics (gemcitabine (dFdC), cisplatin (DDP), and oxaliplatin (OXA)). Our work summarizes the abnormal expression of miR-637 in various cancers, expounds on the ceRNA regulatory network and signaling pathway involved in miR-637, and summarizes the effect of its abnormal expression on the biological behavior of tumor cells. At the same time, the relationship between the expression levels of miR-637 and its related molecules and the prognosis and pathological characteristics of patients was further summarized. Finally, our work points out the insufficiency of miR-637 in current studies and is expected to provide potential clues for future miR-637-related studies.
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Affiliation(s)
- Jinze Shen
- Department of Clinical Medicine, Zhejiang University City College School of Medicine, Hangzhou, Zhejiang, China
| | - Chenhao Liang
- Department of Clinical Medicine, Zhejiang University City College School of Medicine, Hangzhou, Zhejiang, China
| | - Xinming Su
- Department of Clinical Medicine, Zhejiang University City College School of Medicine, Hangzhou, Zhejiang, China
| | - Qurui Wang
- Department of Clinical Medicine, Zhejiang University City College School of Medicine, Hangzhou, Zhejiang, China
| | - Yufei Ke
- Department of Clinical Medicine, Zhejiang University City College School of Medicine, Hangzhou, Zhejiang, China
| | - Jie Fang
- Department of Clinical Medicine, Zhejiang University City College School of Medicine, Hangzhou, Zhejiang, China
| | - Dayong Zhang
- Department of Clinical Medicine, Zhejiang University City College School of Medicine, Hangzhou, Zhejiang, China.
| | - Shiwei Duan
- Department of Clinical Medicine, Zhejiang University City College School of Medicine, Hangzhou, Zhejiang, China.
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Farag AK, Ahn BS, Yoo JS, Karam R, Roh EJ. Design, synthesis, and biological evaluation of pseudo-bicyclic pyrimidine-based compounds as potential EGFR inhibitors. Bioorg Chem 2022; 126:105918. [PMID: 35696765 DOI: 10.1016/j.bioorg.2022.105918] [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: 03/09/2022] [Revised: 05/01/2022] [Accepted: 05/27/2022] [Indexed: 11/29/2022]
Abstract
Cancer is one of the most dangerous diseases harvesting millions of lives every year globally, which mandates the development of new therapies. In this report, we designed and synthesized a novel series of compounds based on the structure of lapatinib and AF8c, a compound we developed and reported previously, to target EGFR kinase. The series was assayed against a panel of 60 cancer cell lines at the National Cancer Institute (NCI). Compounds 4a, 4f, 4 g, and 4 l showed high efficacy against melanoma, colon, and blood cancers, with 4a being the most effective. The evaluation of the potency of 4a against the 60 cell lines in a five-dose assay revealed a significant potency compared to lapatinib against melanoma, colon, and blood cancers. In vitro enzyme assay over 30 kinases showed significant potency against EGFR and high selectivity to EGFR among the tested kinases. A molecular modeling study of 4a and lapatinib inside the pockets of EGFR revealed that both compounds bind strongly inside the ATP-binding pocket of the EGFR kinase domain. Therefore, we present 4a as a novel EGFR kinase inhibitor with potent in vitro cellular activity against diverse types of cancer cells.
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Affiliation(s)
- Ahmed Karam Farag
- Manufacturing department, Curachem Inc, Chungcheongbuk-do 28161, Republic of Korea.
| | - Byung Sun Ahn
- Chemical and Biological Integrative Research Center, Korea Institute of Science and Technology (KIST), Seoul, Republic of Korea
| | - Je Sik Yoo
- Chemical and Biological Integrative Research Center, Korea Institute of Science and Technology (KIST), Seoul, Republic of Korea; Division of Bio-Medical Science and Technology, KIST School, University of Science and Technology (UST), Seoul, Republic of Korea
| | - Reham Karam
- Virology department, Faculty of veterinary medicine, Mansoura University, Dakahlia, Egypt
| | - Eun Joo Roh
- Chemical and Biological Integrative Research Center, Korea Institute of Science and Technology (KIST), Seoul, Republic of Korea; Division of Bio-Medical Science and Technology, KIST School, University of Science and Technology (UST), Seoul, Republic of Korea.
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Identification of Novel Aryl Carboxamide Derivatives as Death-Associated Protein Kinase 1 (DAPK1) Inhibitors with Anti-Proliferative Activities: Design, Synthesis, In Vitro, and In Silico Biological Studies. Pharmaceuticals (Basel) 2022; 15:ph15091050. [PMID: 36145271 PMCID: PMC9504985 DOI: 10.3390/ph15091050] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Revised: 07/23/2022] [Accepted: 08/03/2022] [Indexed: 12/04/2022] Open
Abstract
Death-associated protein kinase 1 (DAPK1) is a serine/threonine protein kinase involved in diverse fundamental cellular processes such as apoptosis and autophagy. DAPK1 isoform plays an essential role as a tumor suppressor and inhibitor of metastasis. Consequently, DAPK1 became a promising target protein for developing new anti-cancer agents. In this work, we present the rational design and complete synthetic routes of a novel series of eighteen aryl carboxamide derivatives as potential DAPK1 inhibitors. Using a custom panel of forty-five kinases, a single dose of 10 µM of the picolinamide derivative 4a was able to selectively inhibit DAPK1 kinase by 44.19%. Further investigations revealed the isonicotinamide derivative 4q as a promising DAPK1 inhibitory lead compound with an IC50 value of 1.09 µM. In an in vitro anticancer activity assay using a library of 60 cancer cell lines including blood, lung, colon, CNS, skin, ovary, renal, prostate, and breast cancers, four compounds (4d, 4e, 4o, and 4p) demonstrated high anti-proliferative activity with mean % GI ~70%. Furthermore, the most potent DAPK1 inhibitor (4q) exhibited remarkable activity against leukemia (K-562) and breast cancer (MDA-MB-468) with % GI of 72% and 75%, respectively.
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Assessment of the Effect of Overexpression of Death-Associated Protein Kinases 3 Using PEGFPN1 on Gastric Adenocarcinoma Cell Line (MKN45). INTERNATIONAL JOURNAL OF CANCER MANAGEMENT 2022. [DOI: 10.5812/ijcm-118185] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Background: Gastric cancer (GC) is one of the most common malignancies worldwide. An in-depth understanding of the molecular mechanisms that underlies tumor GC will lead to breakthroughs in the targeted treatment of GC. Based on multiple lines of evidence, death-associated protein kinase 3 (DAPK3) regulates both programmed cell death including apoptosis and autophagy. The widespread experimental evidence raises the possibility of using DAPK-based gene therapy strategies. Objectives: The aim of this study was to investigate the effect of overexpression of DAPK3 using the PEGFPN1 vector on the gastric adenocarcinoma cell line (MKN45). Methods: The MKN45 cell lines were cultured in a DMEM culture medium and, then, the recombinant vector PEGFPN1-DAPK3 was transfected into the cells by lipofectamine 2000. The effects of the overexpression of the DAPK3 gene on MKN45 cells were evaluated by the 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl-2H-tetrazolium bromide (MTT), flow cytometry, and Real-time quantitative reverse transcription PCR (qRT-PCR) techniques. Results: Our findings indicated that overexpression of DAPK3 in MKN45 cells not only affects the expression of apoptosis-related genes but also changes the expression of autophagy-related genes. Additionally, overexpression of DAPK3 reduces the metabolic activity of cells. Conclusions: The overexpression of the DAPK3 gene can lead to cell death by both inducing apoptosis and autophagy pathways in the gastric adenocarcinoma cell line (MKN45). This anti-cancer activity may describe a hopeful strategy in the application of novel gene therapy for the treatment of gastric adenocarcinoma; however, further research is required to examine the clinical effectiveness of this strategy in GC treatment.
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Li Y, Huang H, Yu H, Mo T, Wei T, Li G, Jia Y, Huang X, Tu M, Yan X, Zhang H. Differential gene expression analysis after DAPK1 knockout in hepatocellular carcinoma cells. PeerJ 2022; 10:e13711. [PMID: 35935258 PMCID: PMC9354754 DOI: 10.7717/peerj.13711] [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: 01/27/2022] [Accepted: 06/20/2022] [Indexed: 01/17/2023] Open
Abstract
Background The mechanism through which death-associated protein kinase 1 (DAPK1) causes hepatocellular carcinoma (HCC) progression remains unclear. In this study, we aimed to identify key proteins that were altered after DAPK1 knockout. Methods Stable DAPK1 knockout HCC cell lines were established, then the differentially expressed genes (DEGs) of HCC were screened using the NetworkAnalyst database and enriched using the Metascape software. Protein-protein interaction networks (PPIs) were analyzed and visualized using the STRING database expansion. Results In total, 732 differentially expressed genes were identified, including 415 upregulated genes and 317 downregulated genes. Through Cytoscape software scoring, 10 pivotal genes were found to be closely related to changes in DAPK1 expression; Kininogen-1 (KNG1), Complement C3 (C3), Metalloproteinase inhibitor 1 (TIMP1), and Alpha-2-HS-glycoprotein (AHSG) were the most strongly associated with DAPK1 expression changes. Moreover, western blot analysis results revealed that changes in the levels of proteins encoded by the four key genes after DAPK1 knockout were consistent with those seen in the database screening. Conclusions These results provide a direction for further studies on the DAPK1 gene and on the mechanism through which DAPK1 leads to hepatocellular carcinoma development.
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Affiliation(s)
- Yuanqi Li
- Guangdong Medical University, Zhanjiang, China
| | - Hui Huang
- Guangdong Medical University, Zhanjiang, China
| | - Huajun Yu
- Guangdong Medical University, Zhanjiang, China
| | - Ting Mo
- Guangdong Medical University, Zhanjiang, China
| | - Ting Wei
- Guangdong Medical University, Zhanjiang, China
| | - Guodan Li
- Guangdong Medical University, Zhanjiang, China
| | - Yufang Jia
- Guangdong Medical University, Zhanjiang, China
| | | | - Mingjin Tu
- Guangdong Medical University, Zhanjiang, China
| | - Xiuwen Yan
- Guangdong Medical University, Zhanjiang, China
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Liu C, Zhang Y, Zhang Y, Liu Z, Mao F, Chai Z. Mechanistic Insights into the Mechanism of Inhibitor Selectivity toward the Dark Kinase STK17B against Its High Homology STK17A. Molecules 2022; 27:molecules27144655. [PMID: 35889528 PMCID: PMC9317881 DOI: 10.3390/molecules27144655] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Revised: 07/20/2022] [Accepted: 07/20/2022] [Indexed: 12/10/2022] Open
Abstract
As a member of the death-associated protein kinase (DAPK) family, STK17B plays an important role in the regulation of cellular apoptosis and has been considered as a promising drug target for hepatocellular carcinoma. However, the highly conserved ATP-binding site of protein kinases represents a challenge to design selective inhibitors for a specific DAPK isoform. In this study, molecular docking, multiple large-scale molecular dynamics (MD) simulations, and binding free energy calculations were performed to decipher the molecular mechanism of the binding selectivity of PKIS43 toward STK17B against its high homology STK17A. MD simulations revealed that STK17A underwent a significant conformational arrangement of the activation loop compared to STK17B. The binding free energy predictions suggested that the driving force to control the binding selectivity of PKIS43 was derived from the difference in the protein–ligand electrostatic interactions. Furthermore, the per-residue free energy decomposition unveiled that the energy contribution from Arg41 at the phosphate-binding loop of STK17B was the determinant factor responsible for the binding specificity of PKIS43. This study may provide useful information for the rational design of novel and potent selective inhibitors toward STK17B.
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Affiliation(s)
- Chang Liu
- Department of Hepatic Surgery VI, Eastern Hepatobiliary Surgery Hospital, Second Military Medical University, Shanghai 200433, China; (C.L.); (Z.L.)
| | - Yichi Zhang
- Department of Transplantation, Xinhua Hospital Affiliated to Shanghai Jiao Tong University, School of Medicine, Shanghai 200092, China;
| | - Yuqing Zhang
- MD Cancer Center, Yue Yang Hospital of Integrative Traditional Chinese and Western Medicine, Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai 200437, China;
| | - Zonghan Liu
- Department of Hepatic Surgery VI, Eastern Hepatobiliary Surgery Hospital, Second Military Medical University, Shanghai 200433, China; (C.L.); (Z.L.)
| | - Feifei Mao
- Tongji University Cancer Center, Shanghai Tenth People’s Hospital, School of Medicine, Tongji University, Shanghai 200072, China
- Correspondence: (F.M.); (Z.C.)
| | - Zongtao Chai
- Department of Hepatic Surgery VI, Eastern Hepatobiliary Surgery Hospital, Second Military Medical University, Shanghai 200433, China; (C.L.); (Z.L.)
- Department of Hepatic Surgery, Shanghai Geriatric Center, Shanghai 201104, China
- Liver Cancer Institute, Zhongshan Hospital, Fudan University, Key Laboratory of Carcinogenesis and Cancer Invasion (Fudan University), Ministry of Education, Shanghai 200032, China
- Correspondence: (F.M.); (Z.C.)
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Chen HM, MacDonald JA. Death-associated protein kinases and intestinal epithelial homeostasis. Anat Rec (Hoboken) 2022; 306:1062-1087. [PMID: 35735750 DOI: 10.1002/ar.25022] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Revised: 05/12/2022] [Accepted: 06/06/2022] [Indexed: 12/15/2022]
Abstract
The family of death-associated protein kinases (DAPKs) and DAPK-related apoptosis-inducing protein kinases (DRAKs) act as molecular switches for a multitude of cellular processes, including apoptotic and autophagic cell death events. This review summarizes the mechanisms for kinase activity regulation and discusses recent molecular investigations of DAPK and DRAK family members in the intestinal epithelium. In general, recent literature convincingly supports the importance of this family of protein kinases in the homeostatic processes that govern the proper function of the intestinal epithelium. Each of the DAPK family of proteins possesses distinct biochemical properties, and we compare similarities in the information available as well as those cases where functional distinctions are apparent. As the prototypical member of the family, DAPK1 is noteworthy for its tumor suppressor function and association with colorectal cancer. In the intestinal epithelium, DAPK2 is associated with programmed cell death, potential tumor-suppressive functions, and a unique influence on granulocyte biology. The impact of the DRAKs in the epithelium is understudied, but recent studies support a role for DRAK1 in inflammation-mediated tumor growth and metastasis. A commentary is provided on the potential importance of DAPK3 in facilitating epithelial restitution and wound healing during the resolution of colitis. An update on efforts to develop selective pharmacologic effectors of individual DAPK members is also supplied.
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Affiliation(s)
- Huey-Miin Chen
- Department of Biochemistry & Molecular Biology, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Justin A MacDonald
- Department of Biochemistry & Molecular Biology, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
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AF8c, a Multi-Kinase Inhibitor Induces Apoptosis by Activating DR5/Nrf2 via ROS in Colorectal Cancer Cells. Cancers (Basel) 2022; 14:cancers14133043. [PMID: 35804815 PMCID: PMC9264837 DOI: 10.3390/cancers14133043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2022] [Revised: 06/15/2022] [Accepted: 06/18/2022] [Indexed: 11/25/2022] Open
Abstract
Simple Summary AF8c, a lapatinib hybrid quinazoline-based EGFR/HER2 inhibitor, was chosen to scrutinize its antiproliferative activity in colorectal cancer (CRC) cells. We found that AF8cinduced apoptosis in CRC cells via diverse mechanisms. In addition to inhibiting the phosphorylation of the ErbB family, AF8c increased the mRNA and protein levels of death receptor 5 (DR5) in vitro and in vivo. In addition, AF8c upregulated several ER stress proteins and the redox-sensitive nuclear respiratory factor 2 alpha subunit (Nrf2) in a p53-dependent manner. We also found that the AF8c-induced increase in the levels of Nrf2, DR5, and apoptosis was diminished by p53 downregulation or knockdown. Furthermore, AF8c showed higher antiproliferative activity than lapatinib in the CRC mouse model in vivo. Therefore, our results suggest AF8c as a highly effective polypharmacological small molecule with an encouraging safety profile, both in vitro and in vivo, for further evaluation as a treatment of CRC. Abstract Our team has previously reported a series of quinazoline-based lapatinib hybrids as potent kinase-targeting anticancer agents. Among them, AF8c showed a relatively safe profile in colorectal cancer (CRC) cells. In this study, we delineate a novel anticancer activity of AF8c in CRC cells. AF8c mediated p53-dependent apoptosis of CRC cells via the generation of endoplasmic reticulum (ER) stress and reactive oxygen species (ROS), as well as activation of nuclear respiratory factor 2 alpha subunit (Nrf2) and death receptor 5 (DR5), among others. The silencing of DR5 attenuated the expression levels of Nrf2 and partially inhibited AF8c-induced apoptosis. Additionally, upregulation of Nrf2 by AF8c evoked apoptosis through a decrease in antioxidant levels. Treatment of a CRC mice model with AF8c also resulted in the upregulation of DR5, Nrf2, and CHOP proteins, subsequently leading to a significant decrease in tumor burden. In comparison with lapatinib, AF8c showed higher cellular antiproliferative activity at the tested concentrations in CRC cells and synergized TRAIL effects in CRC cells. Overall, our results suggest that AF8c-induced apoptosis may be associated with DR5/Nrf2 activation through ER stress and ROS generation in CRC cells. These findings indicate that AF8c represents a promising polypharmacological molecule for the treatment of human CRC.
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Regulation of DAPK1 by Natural Products: An Important Target in Treatment of Stroke. Neurochem Res 2022; 47:2142-2157. [PMID: 35674928 DOI: 10.1007/s11064-022-03628-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2022] [Revised: 05/01/2022] [Accepted: 05/05/2022] [Indexed: 12/12/2022]
Abstract
Stroke is a sudden neurological disorder that occurs due to impaired blood flow to an area of the brain. Stroke can be caused by the blockage or rupture of a blood vessel in the brain, called ischemic stroke and hemorrhagic stroke, respectively. Stroke is more common in men than women. Atrial fibrillation, hypertension, kidney disease, high cholesterol and lipids, genetic predisposition, inactivity, poor nutrition, diabetes mellitus, family history and smoking are factors that increase the risk of stroke. Restoring blood flow by repositioning blocked arteries using thrombolytic agents or endovascular therapy are the most effective treatments for stroke. However, restoring circulation after thrombolysis can cause fatal edema or intracranial hemorrhage, and worsen brain damage in a process known as ischemia-reperfusion injury. Therefore, there is a pressing need to find and develop more effective treatments for stroke. In the past, the first choice of treatment was based on natural compounds. Natural compounds are able to reduce the symptoms and reduce various diseases including stroke that attract the attention of the pharmaceutical industry. Nowadays, as a result of the numerous studies carried out in the field of herbal medicine, many useful and valuable effects of plants have been identified. The death-associated protein kinase (DAPK) family is one of the vital families of serine/threonine kinases involved in the regulation of some biological functions in human cells. DAPK1 is the most studied kinase within the DAPKs family as it is involved in neuronal and recovery processes. Dysregulation of DAPK1 in the brain is involved in the developing neurological diseases such as stroke. Natural products can function in a variety of ways, including reducing cerebral edema, reducing brain endothelial cell death, and inhibiting TNFα and interleukin-1β (IL-1β) through regulating the DAPK1 signal against stroke. Due to the role of DAPK1 in neurological disorders, the aim of this article was to investigate the role of DAPK1 in stroke and its modulation by natural compounds.
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34
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Kurz CG, Preuss F, Tjaden A, Cusack M, Amrhein JA, Chatterjee D, Mathea S, Berger LM, Berger BT, Krämer A, Weller M, Weiss T, Müller S, Knapp S, Hanke T. Illuminating the Dark: Highly Selective Inhibition of Serine/Threonine Kinase 17A with Pyrazolo[1,5- a]pyrimidine-Based Macrocycles. J Med Chem 2022; 65:7799-7817. [PMID: 35608370 DOI: 10.1021/acs.jmedchem.2c00173] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Serine/threonine kinase 17A (death-associated protein kinase-related apoptosis-inducing protein kinase 1─DRAK1) is a part of the death-associated protein kinase (DAPK) family and belongs to the so-called dark kinome. Thus, the current state of knowledge of the cellular function of DRAK1 and its involvement in pathophysiological processes is very limited. Recently, DRAK1 has been implicated in tumorigenesis of glioblastoma multiforme (GBM) and other cancers, but no selective inhibitors of DRAK1 are available yet. To this end, we optimized a pyrazolo[1,5-a]pyrimidine-based macrocyclic scaffold. Structure-guided optimization of this macrocyclic scaffold led to the development of CK156 (34), which displayed high in vitro potency (KD = 21 nM) and selectivity in kinomewide screens. Crystal structures demonstrated that CK156 (34) acts as a type I inhibitor. However, contrary to studies using genetic knockdown of DRAK1, we have seen the inhibition of cell growth of glioma cells in 2D and 3D culture only at low micromolar concentrations.
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Affiliation(s)
- Christian G Kurz
- Institute of Pharmaceutical Chemistry, Goethe University Frankfurt, Max-von-Laue-Straße 9, Frankfurt 60438, Germany.,Structural Genomics Consortium, Buchman Institute for Molecular Life Science (BMLS), Max-von-Laue-Straße 15, Frankfurt 60438, Germany
| | - Franziska Preuss
- Institute of Pharmaceutical Chemistry, Goethe University Frankfurt, Max-von-Laue-Straße 9, Frankfurt 60438, Germany.,Structural Genomics Consortium, Buchman Institute for Molecular Life Science (BMLS), Max-von-Laue-Straße 15, Frankfurt 60438, Germany
| | - Amelie Tjaden
- Institute of Pharmaceutical Chemistry, Goethe University Frankfurt, Max-von-Laue-Straße 9, Frankfurt 60438, Germany.,Structural Genomics Consortium, Buchman Institute for Molecular Life Science (BMLS), Max-von-Laue-Straße 15, Frankfurt 60438, Germany
| | - Martin Cusack
- Department of Neurology and Clinical Neuroscience Center, University Hospital Zurich and University of Zurich, Frauenklinikstrasse 26, Zurich 8091, Switzerland
| | - Jennifer Alisa Amrhein
- Institute of Pharmaceutical Chemistry, Goethe University Frankfurt, Max-von-Laue-Straße 9, Frankfurt 60438, Germany.,Structural Genomics Consortium, Buchman Institute for Molecular Life Science (BMLS), Max-von-Laue-Straße 15, Frankfurt 60438, Germany
| | - Deep Chatterjee
- Institute of Pharmaceutical Chemistry, Goethe University Frankfurt, Max-von-Laue-Straße 9, Frankfurt 60438, Germany.,Structural Genomics Consortium, Buchman Institute for Molecular Life Science (BMLS), Max-von-Laue-Straße 15, Frankfurt 60438, Germany
| | - Sebastian Mathea
- Institute of Pharmaceutical Chemistry, Goethe University Frankfurt, Max-von-Laue-Straße 9, Frankfurt 60438, Germany.,Structural Genomics Consortium, Buchman Institute for Molecular Life Science (BMLS), Max-von-Laue-Straße 15, Frankfurt 60438, Germany
| | - Lena Marie Berger
- Institute of Pharmaceutical Chemistry, Goethe University Frankfurt, Max-von-Laue-Straße 9, Frankfurt 60438, Germany.,Structural Genomics Consortium, Buchman Institute for Molecular Life Science (BMLS), Max-von-Laue-Straße 15, Frankfurt 60438, Germany
| | - Benedict-Tilman Berger
- Institute of Pharmaceutical Chemistry, Goethe University Frankfurt, Max-von-Laue-Straße 9, Frankfurt 60438, Germany.,Structural Genomics Consortium, Buchman Institute for Molecular Life Science (BMLS), Max-von-Laue-Straße 15, Frankfurt 60438, Germany
| | - Andreas Krämer
- Institute of Pharmaceutical Chemistry, Goethe University Frankfurt, Max-von-Laue-Straße 9, Frankfurt 60438, Germany.,Structural Genomics Consortium, Buchman Institute for Molecular Life Science (BMLS), Max-von-Laue-Straße 15, Frankfurt 60438, Germany.,Frankfurt Cancer Institute (FCI), Paul-Ehrlich-Straße 42-44, Frankfurt 60596, Germany
| | - Michael Weller
- Department of Neurology and Clinical Neuroscience Center, University Hospital Zurich and University of Zurich, Frauenklinikstrasse 26, Zurich 8091, Switzerland
| | - Tobias Weiss
- Department of Neurology and Clinical Neuroscience Center, University Hospital Zurich and University of Zurich, Frauenklinikstrasse 26, Zurich 8091, Switzerland
| | - Susanne Müller
- Institute of Pharmaceutical Chemistry, Goethe University Frankfurt, Max-von-Laue-Straße 9, Frankfurt 60438, Germany.,Structural Genomics Consortium, Buchman Institute for Molecular Life Science (BMLS), Max-von-Laue-Straße 15, Frankfurt 60438, Germany
| | - Stefan Knapp
- Institute of Pharmaceutical Chemistry, Goethe University Frankfurt, Max-von-Laue-Straße 9, Frankfurt 60438, Germany.,Structural Genomics Consortium, Buchman Institute for Molecular Life Science (BMLS), Max-von-Laue-Straße 15, Frankfurt 60438, Germany
| | - Thomas Hanke
- Institute of Pharmaceutical Chemistry, Goethe University Frankfurt, Max-von-Laue-Straße 9, Frankfurt 60438, Germany.,Structural Genomics Consortium, Buchman Institute for Molecular Life Science (BMLS), Max-von-Laue-Straße 15, Frankfurt 60438, Germany
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35
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Fu J, Yang Y, Zhu L, Chen Y, Liu B. Unraveling the Roles of Protein Kinases in Autophagy: An Update on Small-Molecule Compounds for Targeted Therapy. J Med Chem 2022; 65:5870-5885. [PMID: 35390258 DOI: 10.1021/acs.jmedchem.1c02053] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Protein kinases, which catalyze the phosphorylation of proteins, are involved in several important cellular processes, such as autophagy. Of note, autophagy, originally described as a mechanism for intracellular waste disposal and recovery, has been becoming a crucial biological process closely related to many types of human diseases. More recently, the roles of protein kinases in autophagy have been gradually elucidated, and the design of small-molecule compounds to modulate targets to positively or negatively interfere with the cytoprotective autophagy or autophagy-associated cell death may provide a new clue on the current targeted therapy. Thus, in this Perspective, we focus on summarizing the different roles of protein kinases, including positive, negative, and bidirectional regulations of autophagy. Moreover, we discuss several small-molecule compounds targeting these protein kinases in human diseases, highlighting their pivotal roles in autophagy for targeted therapeutic purposes.
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Affiliation(s)
- Jiahui Fu
- State Key Laboratory of Biotherapy and Cancer Center, Department of Thoracic Surgery, and Department of Gastrointestinal Surgery, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Yushang Yang
- State Key Laboratory of Biotherapy and Cancer Center, Department of Thoracic Surgery, and Department of Gastrointestinal Surgery, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Lingjuan Zhu
- State Key Laboratory of Biotherapy and Cancer Center, Department of Thoracic Surgery, and Department of Gastrointestinal Surgery, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Yi Chen
- State Key Laboratory of Biotherapy and Cancer Center, Department of Thoracic Surgery, and Department of Gastrointestinal Surgery, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Bo Liu
- State Key Laboratory of Biotherapy and Cancer Center, Department of Thoracic Surgery, and Department of Gastrointestinal Surgery, West China Hospital, Sichuan University, Chengdu 610041, China
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Khan ZA, Sumsuzzman DM, Choi J, Hong Y. Neurodegenerative effect of DAPK1 after cerebral hypoxia-ischemia is associated with its post-transcriptional and signal transduction regulations: A systematic review and meta-analysis. Ageing Res Rev 2022; 76:101593. [PMID: 35202858 DOI: 10.1016/j.arr.2022.101593] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2021] [Revised: 01/10/2022] [Accepted: 02/18/2022] [Indexed: 01/07/2023]
Abstract
Cerebral hypoxia-ischemia (CHI) causes brain aging, neurological disorders, cognitive decline, motor function impairment, and mortality. Inhibiting death-associated protein kinase 1 (DAPK1) has shown therapeutic potential against CHI, but several reports contradict its protective function, mechanism of activation, and signal transduction. Here, we systematically reviewed the role and the activation mechanism of DAPK1, and quantitatively assess the efficacy of DAPK1 inhibition (DI) methods in neuroprotection, following a CHI in animal models. Embase and PubMed were searched for relevant studies. Overall, 13 studies met the inclusion criteria, and the SYRCLE Risk of bias tool (RoB) tool was used to assess RoB. StataSE 16 was used for meta-analysis and network meta-analysis (NMA). Standardized mean differences (SMD) with 95% confidence intervals (CI) were calculated to estimate the effect size. DI was associated with the reduction of brain infarct volume (BIV) [SMD = -1.70, 95% CI (-2.10, -1.30); p = 0.00], neurological score (N.S.), neuronal degeneration, with no change in the level of in cell death [SMD = -0.83, 95% CI (-2.00, 0.35); p = 0.17], indicating the protective role of DI against CHI. No differences were found in DAPK1 mRNA and protein levels [SMD = 0.50, 95% CI (-0.05, 1.04); p = 0.07] {single-study driven; upregulated after exclusion (p = 0.01, I2 = 36.43)}, whereas phospho-DAPK1 [SMD = -2.22, 95% CI (-3.69, -0.75); p = 0.00] was downregulated and phosphorylated myosin light chain [SMD = 3.37, 95% CI (2.51, 4.96); p = 0.00] was upregulated between CHI and sham groups. Furthermore, we performed NMA to understand the molecular level at which DI offers maximum protection against BIV. Post-transcriptional inhibition (PTI; SUCRA, 82.6%) and gene knockout showed best (KO; SUCRA, 81.3%), signal transduction inhibition (STI; SUCRA, 49.5%) offered 3rd best, while catalytic activity inhibition (CAI; SUCRA, 0.3%) exhibited the lowest reduction in BIV against CHI. The results demonstrate that DI has a neuroprotective effect against CHI and DAPK1 might be regulated at the post-transcriptional and post-translational levels after CHI. Inhibiting DAPK1 at the post-transcriptional level and blocking multiple signal transduction pathways of DAPK1 could lead to better functional recovery against CHI. AVAILABILITY OF DATA AND MATERIALS: The datasets used and/or analyzed during the current study are available from the corresponding author on reasonable request.
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Falco M, Tammaro C, Takeuchi T, Cossu AM, Scafuro G, Zappavigna S, Itro A, Addeo R, Scrima M, Lombardi A, Ricciardiello F, Irace C, Caraglia M, Misso G. Overview on Molecular Biomarkers for Laryngeal Cancer: Looking for New Answers to an Old Problem. Cancers (Basel) 2022; 14:1716. [PMID: 35406495 PMCID: PMC8997012 DOI: 10.3390/cancers14071716] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Revised: 03/01/2022] [Accepted: 03/24/2022] [Indexed: 11/19/2022] Open
Abstract
Laryngeal squamous cell cancer (LSCC) accounts for almost 25-30% of all head and neck squamous cell cancers and is clustered according to the affected districts, as this determines distinct tendency to recur and metastasize. A major role for numerous genetic alterations in driving the onset and progression of this neoplasm is emerging. However, major efforts are still required for the identification of molecular markers useful for both early diagnosis and prognostic definition of LSCC that is still characterized by significant morbidity and mortality. Non-coding RNAs appear the most promising as they circulate in all the biological fluids allowing liquid biopsy determination, as well as due to their quick and characteristic modulation useful for non-invasive detection and monitoring of cancer. Other critical aspects are related to recent progress in circulating tumor cells and DNA detection, in metastatic status and chemo-refractoriness prediction, and in the functional interaction of LSCC with chronic inflammation and innate immunity. We review all these aspects taking into account the progress of the technologies in the field of next generation sequencing.
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Affiliation(s)
- Michela Falco
- Department of Precision Medicine, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy; (M.F.); (C.T.); (T.T.); (A.M.C.); (G.S.); (S.Z.); (A.L.); (M.C.)
| | - Chiara Tammaro
- Department of Precision Medicine, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy; (M.F.); (C.T.); (T.T.); (A.M.C.); (G.S.); (S.Z.); (A.L.); (M.C.)
| | - Takashi Takeuchi
- Department of Precision Medicine, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy; (M.F.); (C.T.); (T.T.); (A.M.C.); (G.S.); (S.Z.); (A.L.); (M.C.)
- Molecular Diagnostics Division, Wakunaga Pharmaceutical Co., Ltd., Hiroshima 739-1195, Japan
| | - Alessia Maria Cossu
- Department of Precision Medicine, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy; (M.F.); (C.T.); (T.T.); (A.M.C.); (G.S.); (S.Z.); (A.L.); (M.C.)
- Laboratory of Molecular and Precision Oncology, Biogem Scarl, Institute of Genetic Research, 83031 Ariano Irpino, Italy;
| | - Giuseppe Scafuro
- Department of Precision Medicine, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy; (M.F.); (C.T.); (T.T.); (A.M.C.); (G.S.); (S.Z.); (A.L.); (M.C.)
| | - Silvia Zappavigna
- Department of Precision Medicine, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy; (M.F.); (C.T.); (T.T.); (A.M.C.); (G.S.); (S.Z.); (A.L.); (M.C.)
| | - Annalisa Itro
- Department of Advanced Medical and Surgical Sciences, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy;
| | - Raffaele Addeo
- Oncology Operative Unit, Hospital of Frattamaggiore, ASLNA-2NORD, 80020 Naples, Italy;
| | - Marianna Scrima
- Laboratory of Molecular and Precision Oncology, Biogem Scarl, Institute of Genetic Research, 83031 Ariano Irpino, Italy;
| | - Angela Lombardi
- Department of Precision Medicine, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy; (M.F.); (C.T.); (T.T.); (A.M.C.); (G.S.); (S.Z.); (A.L.); (M.C.)
| | | | - Carlo Irace
- Department of Pharmacy, School of Medicine and Surgery, University of Naples “Federico II”, 80131 Naples, Italy;
| | - Michele Caraglia
- Department of Precision Medicine, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy; (M.F.); (C.T.); (T.T.); (A.M.C.); (G.S.); (S.Z.); (A.L.); (M.C.)
- Laboratory of Molecular and Precision Oncology, Biogem Scarl, Institute of Genetic Research, 83031 Ariano Irpino, Italy;
| | - Gabriella Misso
- Department of Precision Medicine, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy; (M.F.); (C.T.); (T.T.); (A.M.C.); (G.S.); (S.Z.); (A.L.); (M.C.)
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38
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Abdelgawad MA, Mohamed FEA, Lamie PF, Bukhari SNA, Al-Sanea MM, Musa A, Elmowafy M, Nayl AA, Karam Farag A, Ali SM, Shaker ME, Omar HA, Abdelhameid MK, Kandeel MM. Design, synthesis, and biological evaluation of novel pyrido-dipyrimidines as dual topoisomerase II/FLT3 inhibitors in leukemia cells. Bioorg Chem 2022; 122:105752. [PMID: 35339926 DOI: 10.1016/j.bioorg.2022.105752] [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: 10/30/2021] [Revised: 01/30/2022] [Accepted: 03/18/2022] [Indexed: 11/24/2022]
Abstract
Dual inhibition of topoisomerase (topo) II and FLT3 kinase, as in the case of C-1311, was shown to overcome the shortcomings of using topo II inhibitors solely. In the present study, we designed and synthesized two series of pyrido-dipyrimidine- and pseudo-pyrido-acridone-containing compounds. The two series were evaluated against topo II and FLT3 as well as the HL-60 promyelocytic leukemia cell line in vitro. Compounds 6, 7, and 20 showed higher potency against topo II than the standard amsacrine (AMSA), whereas compounds 19 and 20 were stronger FLT3 inhibitors than the standard DACA. Compounds 19 and 20 showed to be dual inhibitors of both enzymes. Compounds 6, 7, 19, and 20 were more potent inhibitors of the HL-60 cell line than the standard AMSA. The results of the in vitro DNA flow cytometry analysis assay and Annexin V-FITC apoptosis analysis showed that 19 and 20 induced cell cycle arrest at the G2/M phase, significantly higher total percentage of apoptosis, and late-stage apoptosis in HL-60 cell lines than AMSA. Furthermore, 19 and 20 upregulated several apoptosis biomarkers such as p53, TNFα, caspase 3/7 and increased the Bax/Bcl-2 ratio. These results showed that 19 and 20 deserve further evaluation of their antiproliferative activities, particularly in leukemia. Molecular docking studies were performed for selected compounds against topo II and FLT3 enzymes to investigate their binding patterns. Compound 19 exerted dual fitting inside the active site of both enzymes.
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Affiliation(s)
- Mohamed A Abdelgawad
- Department of Pharmaceutical Chemistry, College of Pharmacy, Jouf University, Sakaka, Aljouf 72341, Saudi Arabia.
| | - Fatma E A Mohamed
- Pharmaceutical Organic Chemistry Department, Faculty of Pharmacy, Beni-Suef University, Beni-Suef 62514, Egypt
| | - Phoebe F Lamie
- Pharmaceutical Organic Chemistry Department, Faculty of Pharmacy, Beni-Suef University, Beni-Suef 62514, Egypt
| | - Syed N A Bukhari
- Department of Pharmaceutical Chemistry, College of Pharmacy, Jouf University, Sakaka, Aljouf 72341, Saudi Arabia
| | - Mohammad M Al-Sanea
- Department of Pharmaceutical Chemistry, College of Pharmacy, Jouf University, Sakaka, Aljouf 72341, Saudi Arabia
| | - Arafa Musa
- Department of Pharmacognosy, College of Pharmacy, Jouf University, 72341 Sakaka, Saudi Arabia
| | - Mohammed Elmowafy
- Department of Pharmaceutics, College of Pharmacy, Jouf University, Sakaka 72341, Saudi Arabia
| | - A A Nayl
- Department of Chemistry, College of Science, Jouf University, Sakaka, Aljouf 72341, Saudi Arabia
| | - Ahmed Karam Farag
- Manufacturing Department, Curachem Inc., Chungcheongbuk-do 28161, Republic of Korea
| | - Sameeha M Ali
- Pharmaceutical Organic Chemistry Department, Faculty of Pharmacy, Cairo University, Cairo 11562, Egypt
| | - Mohamed E Shaker
- Department of Pharmacology, College of Pharmacy, Jouf University, Sakaka 72341, Aljouf, Saudi Arabia
| | - Hany A Omar
- College of Pharmacy, University of Sharjah, United Arab Emirates
| | - Mohammed K Abdelhameid
- Pharmaceutical Organic Chemistry Department, Faculty of Pharmacy, Cairo University, Cairo 11562, Egypt.
| | - Manal M Kandeel
- Pharmaceutical Organic Chemistry Department, Faculty of Pharmacy, Cairo University, Cairo 11562, Egypt
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39
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Chen Z, Fan Y, Liu X, Shang X, Qi K, Zhang S. Clinicopathological significance of DAPK gene promoter hypermethylation in non-small cell lung cancer: A meta-analysis. Int J Biol Markers 2022; 37:47-57. [PMID: 34935548 DOI: 10.1177/17246008211067552] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
BACKGROUND Death-associated protein kinase (DAPK) has a strong function of tumor suppression involving apoptosis regulation, autophagy, and metastasis inhibition. Hypermethylation of CpG islands in DAPK gene promoter region is one of the important ways to inactivate this tumor suppressor gene, which might promote lung carcinogenesis. However, the clinicopathological significance of the DAPK promoter hypermethylation in lung cancer remains unclear. In this study, we performed a meta-analysis trying to estimate the clinicopathological significance of DAPK promoter hypermethylation in non-small cell lung cancer (NSCLC). METHODS A detailed literature search for publications relevant to DAPK gene promoter methylation and NSCLC was made in PubMed, Embase, Cochrane Library, Web of Science, China National Knowledge Infrastructure, CSTJ, Wanfang databases, and SinoMed (CBM). The random-effects model and fixed-effects model were utilized to pool the relative ratio based on the heterogeneity test in the meta-analysis. RESULTS A total of 41 studies with 3348 patients were included. The frequency of DAPK methylation was significantly higher in NSCLC than in non-malignant control (odds ratio (OR) = 6.88, 95% confidence interval (CI): 4.17-11.35, P < 0.00001). The pooled results also showed that DAPK gene promoter hypermethylation was significantly associated with poor prognosis for overall survival in patients with NSCLC (hazard ratio: 1.23, 95% CI:1.01-1.52, P = 0.04). Moreover, DAPK gene promoter hypermethylation was significantly associated with squamous cell carcinoma (OR: 1.25, 95% CI: 1.01-1.54, P = 0.04) and smoking behavior (OR: 1.42, 95% CI: 1.04-1.93, P = 0.03) but not with TNM stage, tumor differentiation, age, or gender. CONCLUSION DAPK promoter hypermethylation might be a candidate diagnostic and prognostic tumor marker for NSCLC.
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Affiliation(s)
- Zhimao Chen
- Department of Thoracic Surgery, 26447Peking University First Hospital, Beijing, China
| | - Yu Fan
- Department of Pathology, 571674Shantou University Medical College, Shantou, Guangdong, China
| | - Xiangzheng Liu
- Department of Thoracic Surgery, 26447Peking University First Hospital, Beijing, China
| | - Xueqian Shang
- Department of Thoracic Surgery, 26447Peking University First Hospital, Beijing, China
| | - Kang Qi
- Department of Thoracic Surgery, 26447Peking University First Hospital, Beijing, China
| | - Shijie Zhang
- Department of Thoracic Surgery, 26447Peking University First Hospital, Beijing, China
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40
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Dalamaga M. DRAK2-SRSF6-regulated RNA alternative splicing is a promising therapeutic target in NAFLD/NASH. Metabol Open 2022; 13:100157. [PMID: 34917919 PMCID: PMC8669361 DOI: 10.1016/j.metop.2021.100157] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Accepted: 12/07/2021] [Indexed: 12/02/2022] Open
Affiliation(s)
- Maria Dalamaga
- Department of Biological Chemistry, Medical School, National and Kapodistrian University of Athens, 75 Mikras Asias, Goudi, 11527, Athens, Greece
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41
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Wang S, Mi R, Cai Z, Wang Z, Zeng C, Xie Z, Li J, Ma M, Liu W, Su H, Cen S, Wu Y, Shen H. DAPK1 Interacts with the p38 isoform MAPK14, Preventing its Nuclear Translocation and Stimulation of Bone Marrow Adipogenesis. Stem Cells 2022; 40:508-522. [PMID: 35403694 DOI: 10.1093/stmcls/sxac013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Accepted: 02/04/2022] [Indexed: 11/12/2022]
Abstract
Abstract
Bone marrow (BM) adipose tissue (BMAT), a unique adipose depot, plays an important role in diseases such as osteoporosis and bone metastasis. Precise control of mesenchymal stem cell (MSC) differentiation is critical for BMAT formation and regeneration. Here, we show that death associated protein kinase 1 (DAPK1) negatively regulates BM adipogenesis in vitro and in vivo. Prx1 creDapk1 loxp/loxp mice showed more adipocytes in the femur than Dapk1 loxp/loxp mice. Further mechanistic analyses revealed that DAPK1 inhibits p38 mitogen-activated protein kinase (MAPK) signaling in the nucleus by binding the p38 isoform MAPK14, decreasing p38 nuclear activity, which subsequently inhibits BM adipogenesis. The inhibitory effect of DAPK1 against MAPK14 was independent of its kinase activity. In addition, the decreased DAPK1 was observed in the BM-MSCs of ageing mice. Our results reveal a previously undescribed function for DAPK1 in the regulation of adipogenesis, and may also reveal the underlying mechanism of BMAT formation in ageing.
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Affiliation(s)
- Shan Wang
- Center for Biotherapy, Eighth Affiliated Hospital of Sun Yat-sen University, Shenzhen 518033, P.R. China
| | - Rujia Mi
- Center for Biotherapy, Eighth Affiliated Hospital of Sun Yat-sen University, Shenzhen 518033, P.R. China
| | - Zhaopeng Cai
- Department of Orthopedics, Eighth Affiliated Hospital of Sun Yat-sen University, Shenzhen 518033, P.R. China
| | - Ziming Wang
- Department of Orthopedics, Eighth Affiliated Hospital of Sun Yat-sen University, Shenzhen 518033, P.R. China
| | - Chenying Zeng
- Center for Biotherapy, Eighth Affiliated Hospital of Sun Yat-sen University, Shenzhen 518033, P.R. China
| | - Zhongyu Xie
- Department of Orthopedics, Eighth Affiliated Hospital of Sun Yat-sen University, Shenzhen 518033, P.R. China
| | - Jinteng Li
- Department of Orthopedics, Eighth Affiliated Hospital of Sun Yat-sen University, Shenzhen 518033, P.R. China
| | - Mengjun Ma
- Department of Orthopedics, Eighth Affiliated Hospital of Sun Yat-sen University, Shenzhen 518033, P.R. China
| | - Wenjie Liu
- Department of Orthopedics, Eighth Affiliated Hospital of Sun Yat-sen University, Shenzhen 518033, P.R. China
| | - Hongjun Su
- Center for Biotherapy, Sun Yat-sen Memorial Hospital of Sun Yat-sen University, Guangzhou 510120, P.R. China
| | - Shuizhong Cen
- Department of Orthopedics, Sun Yat-sen Memorial Hospital of Sun Yat-sen University, Guangzhou 510120, P.R. China
| | - Yanfeng Wu
- Center for Biotherapy, Eighth Affiliated Hospital of Sun Yat-sen University, Shenzhen 518033, P.R. China
| | - Huiyong Shen
- Department of Orthopedics, Eighth Affiliated Hospital of Sun Yat-sen University, Shenzhen 518033, P.R. China
- Department of Orthopedics, Sun Yat-sen Memorial Hospital of Sun Yat-sen University, Guangzhou 510120, P.R. China
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42
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M Serafim RA, da Silva Santiago A, Schwalm MP, Hu Z, Dos Reis CV, Takarada JE, Mezzomo P, Massirer KB, Kudolo M, Gerstenecker S, Chaikuad A, Zender L, Knapp S, Laufer S, Couñago RM, Gehringer M. Development of the First Covalent Monopolar Spindle Kinase 1 (MPS1/TTK) Inhibitor. J Med Chem 2022; 65:3173-3192. [PMID: 35167750 DOI: 10.1021/acs.jmedchem.1c01165] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
Monopolar spindle kinase 1 (MPS1/TTK) is a key element of the mitotic checkpoint and clinically evaluated as a target in the treatment of aggressive tumors such as triple-negative breast cancer. While long drug-target residence times have been suggested to be beneficial in the context of therapeutic MPS1 inhibition, no irreversible inhibitors have been reported. Here we present the design and characterization of the first irreversible covalent MPS1 inhibitor, RMS-07, targeting a poorly conserved cysteine in the kinase's hinge region. RMS-07 shows potent MPS1 inhibitory activity and selectivity against all protein kinases with an equivalent cysteine but also in a broader kinase panel. We demonstrate potent cellular target engagement and pronounced activity against various cancer cell lines. The covalent binding mode was validated by mass spectrometry and an X-ray crystal structure. This proof of MPS1 covalent ligandability may open new avenues for the design of MPS1-specific chemical probes or drugs.
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Affiliation(s)
- Ricardo A M Serafim
- Department of Pharmaceutical/Medicinal Chemistry, Eberhard Karls University Tübingen, Auf der Morgenstelle 8, 72076 Tübingen, Germany.,Centro de Química Medicinal (CQMED), Centro de Biologia Molecular e Engenharia Genética (CBMEG), Universidade Estadual de Campinas (UNICAMP), Campinas, SP 13083-875, Brazil.,Structural Genomics Consortium, Departamento de Genética e Evolução, Instituto de Biologia, UNICAMP, Campinas, SP 13083-886, Brazil
| | - André da Silva Santiago
- Centro de Química Medicinal (CQMED), Centro de Biologia Molecular e Engenharia Genética (CBMEG), Universidade Estadual de Campinas (UNICAMP), Campinas, SP 13083-875, Brazil.,Structural Genomics Consortium, Departamento de Genética e Evolução, Instituto de Biologia, UNICAMP, Campinas, SP 13083-886, Brazil
| | - Martin P Schwalm
- Structural Genomics Consortium, Goethe University Frankfurt, Buchmann Institute for Molecular Life Sciences, Max-von-Laue-Straße 15, 60438 Frankfurt am Main, Germany.,Institute of Pharmaceutical Chemistry, Goethe University Frankfurt, Buchmann Institute for Molecular Life Sciences, Max-von-Laue-Straße 9, 60438 Frankfurt am Main, Germany
| | - Zexi Hu
- Department of Medical Oncology and Pneumology (Internal Medicine VIII), University Hospital Tübingen, 72076 Tübingen, Germany.,Cluster of Excellence iFIT (EXC 2180) 'Image-Guided & Functionally Instructed Tumor Therapies', University of Tübingen, 72076 Tübingen, Germany
| | - Caio V Dos Reis
- Centro de Química Medicinal (CQMED), Centro de Biologia Molecular e Engenharia Genética (CBMEG), Universidade Estadual de Campinas (UNICAMP), Campinas, SP 13083-875, Brazil.,Structural Genomics Consortium, Departamento de Genética e Evolução, Instituto de Biologia, UNICAMP, Campinas, SP 13083-886, Brazil
| | - Jessica E Takarada
- Centro de Química Medicinal (CQMED), Centro de Biologia Molecular e Engenharia Genética (CBMEG), Universidade Estadual de Campinas (UNICAMP), Campinas, SP 13083-875, Brazil.,Structural Genomics Consortium, Departamento de Genética e Evolução, Instituto de Biologia, UNICAMP, Campinas, SP 13083-886, Brazil
| | - Priscila Mezzomo
- Centro de Química Medicinal (CQMED), Centro de Biologia Molecular e Engenharia Genética (CBMEG), Universidade Estadual de Campinas (UNICAMP), Campinas, SP 13083-875, Brazil.,Structural Genomics Consortium, Departamento de Genética e Evolução, Instituto de Biologia, UNICAMP, Campinas, SP 13083-886, Brazil
| | - Katlin B Massirer
- Centro de Química Medicinal (CQMED), Centro de Biologia Molecular e Engenharia Genética (CBMEG), Universidade Estadual de Campinas (UNICAMP), Campinas, SP 13083-875, Brazil.,Structural Genomics Consortium, Departamento de Genética e Evolução, Instituto de Biologia, UNICAMP, Campinas, SP 13083-886, Brazil
| | - Mark Kudolo
- Department of Pharmaceutical/Medicinal Chemistry, Eberhard Karls University Tübingen, Auf der Morgenstelle 8, 72076 Tübingen, Germany
| | - Stefan Gerstenecker
- Department of Pharmaceutical/Medicinal Chemistry, Eberhard Karls University Tübingen, Auf der Morgenstelle 8, 72076 Tübingen, Germany
| | - Apirat Chaikuad
- Structural Genomics Consortium, Goethe University Frankfurt, Buchmann Institute for Molecular Life Sciences, Max-von-Laue-Straße 15, 60438 Frankfurt am Main, Germany.,Institute of Pharmaceutical Chemistry, Goethe University Frankfurt, Buchmann Institute for Molecular Life Sciences, Max-von-Laue-Straße 9, 60438 Frankfurt am Main, Germany
| | - Lars Zender
- Department of Medical Oncology and Pneumology (Internal Medicine VIII), University Hospital Tübingen, 72076 Tübingen, Germany.,Cluster of Excellence iFIT (EXC 2180) 'Image-Guided & Functionally Instructed Tumor Therapies', University of Tübingen, 72076 Tübingen, Germany.,German Consortium for Translational Cancer Research (DKTK), Partner Site Tübingen, German Cancer Research Center (DKFZ), 72076 Tübingen, Germany
| | - Stefan Knapp
- Structural Genomics Consortium, Goethe University Frankfurt, Buchmann Institute for Molecular Life Sciences, Max-von-Laue-Straße 15, 60438 Frankfurt am Main, Germany.,Institute of Pharmaceutical Chemistry, Goethe University Frankfurt, Buchmann Institute for Molecular Life Sciences, Max-von-Laue-Straße 9, 60438 Frankfurt am Main, Germany.,Frankfurt Cancer Institute (FCI) and German Translational Cancer Network (DKTK) Site Frankfurt/Mainz, 60596 Frankfurt am Main, Germany
| | - Stefan Laufer
- Department of Pharmaceutical/Medicinal Chemistry, Eberhard Karls University Tübingen, Auf der Morgenstelle 8, 72076 Tübingen, Germany.,Cluster of Excellence iFIT (EXC 2180) 'Image-Guided & Functionally Instructed Tumor Therapies', University of Tübingen, 72076 Tübingen, Germany.,Tübingen Center for Academic Drug Discovery, Auf der Morgenstelle 8, 72076 Tübingen, Germany
| | - Rafael M Couñago
- Centro de Química Medicinal (CQMED), Centro de Biologia Molecular e Engenharia Genética (CBMEG), Universidade Estadual de Campinas (UNICAMP), Campinas, SP 13083-875, Brazil.,Structural Genomics Consortium, Departamento de Genética e Evolução, Instituto de Biologia, UNICAMP, Campinas, SP 13083-886, Brazil
| | - Matthias Gehringer
- Department of Pharmaceutical/Medicinal Chemistry, Eberhard Karls University Tübingen, Auf der Morgenstelle 8, 72076 Tübingen, Germany.,Cluster of Excellence iFIT (EXC 2180) 'Image-Guided & Functionally Instructed Tumor Therapies', University of Tübingen, 72076 Tübingen, Germany
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43
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Negahdary M, Angnes L. Electrochemical nanobiosensors equipped with peptides: a review. Mikrochim Acta 2022; 189:94. [PMID: 35132460 DOI: 10.1007/s00604-022-05184-x] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2021] [Accepted: 01/12/2022] [Indexed: 12/17/2022]
Abstract
Recent research in the field of electrochemical biosensors equipped with peptides and nanomaterials have been categorized, reviewed, and critically analyzed. Indeed, using these innovative biosensors can revolutionize biomedical diagnostics in the future. Saving lives, time, and money in this field will be considered as some main benefits of this type of diagnosis. Here, these biosensors have been categorized and evaluated in four main sections. In the first section, the focus is on investigating the types of electrochemical peptide-based nanobiosensors applied to detect pathogenic microorganisms, microbial toxins, and viruses. In the second section, due to the importance of rapid diagnosis and prognosis of various cancers, the electrochemical peptide-based nanobiosensors designed to detect cancer biomarkers have been reviewed and analyzed. In the third section, the electrochemical peptide-based nanobiosensors, which were applied to detect the essential and effective biomolecules in the various diseases, and health control, including enzymes, hormones, biomarkers, and other biomolecules, have been considered. Finally, using a comprehensive analysis, all the used elements in these biosensors have been presented as conceptual diagrams that can effectively guide researchers in future developments. The essential factors in evaluating and analyzing these electrochemical peptide-based nanobiosensors such as analyte, peptide sequence, functional groups interacted between the peptide sequences and other biosensing components, the applied nanomaterials, diagnostic techniques, detection range, and limit of detection have also been included. Other analyzable items such as the type of used redox marker and the location of the peptide sequence against the signal transducer were also considered.
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Affiliation(s)
- Masoud Negahdary
- Department of Fundamental Chemistry, Institute of Chemistry, University of São Paulo, Av. Prof. Lineu Prestes, 748, São Paulo, 05508-000, Brazil.
| | - Lúcio Angnes
- Department of Fundamental Chemistry, Institute of Chemistry, University of São Paulo, Av. Prof. Lineu Prestes, 748, São Paulo, 05508-000, Brazil.
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44
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The impact of DAPK1 and mTORC1 signaling association on autophagy in cancer. Mol Biol Rep 2022; 49:4959-4964. [PMID: 35083613 DOI: 10.1007/s11033-022-07154-1] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2021] [Accepted: 01/17/2022] [Indexed: 10/19/2022]
Abstract
BACKGROUND The autophagy pathway is used by eukaryotic cells to maintain metabolic homeostasis. Autophagy has two functions in cancerous cells which could inhibit tumorigenesis or lead to cancer progression by increasing cell survival and proliferation. METHODS AND RESULTS In this review article, Web of Science, PubMed, Scopus, and Google Scholar were searched and summarized published studies to explore the relationship between DAPK1 and mTORC1 signaling association on autophagy in cancer. Autophagy is managed through various proteins including the mTOR, which is two separated structural and functional complexes known as mTORC1 and mTORC2. MTORC1 is an important component of the regulatory pathway affecting numerous cellular functions including proliferation, migration, invasion, and survival. This protein plays a key role in human cancers. The activity level of mTORC1 is regulated by the death-associated protein kinases (DAPks) family, especially DAPK1. In many cancers, DAPK1 acts as a tumor suppressor which can be attributed to its ability to suppress cellular transformation and to inhibit metastasis. CONCLUSIONS A deep investigation not only will reveal more about the function of DAPK1 but also might provide insights into novel therapies aimed to modulate the autophagy pathway in cancer and to achieve better cancer therapy.
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45
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AKKURT B. On the Biological Importance, Preparation, and Uses of Imidazo[1,2-b]pyridazine-Based Compounds. JOURNAL OF THE TURKISH CHEMICAL SOCIETY, SECTION A: CHEMISTRY 2021. [DOI: 10.18596/jotcsa.1000771] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
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46
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Jin M, Li G, Liu W, Wu X, Zhu J, Zhao D, Zeng Z, Xiong M, Song Y, He X, Zhang Q, Hu K. Cigarette smoking induces aberrant N 6-methyladenosine of DAPK2 to promote non-small cell lung cancer progression by activating NF-κB pathway. Cancer Lett 2021; 518:214-229. [PMID: 34298122 DOI: 10.1016/j.canlet.2021.07.022] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2021] [Revised: 06/29/2021] [Accepted: 07/17/2021] [Indexed: 12/15/2022]
Abstract
N6-methyladenosine (m6A) has recently emerged as an important regulatory mechanism for gene expression and aberrant m6A modification plays an important role in tumor progression. Emerging evidence has shown that aberrant m6A modification induced by cigarette smoking is involved in carcinogenesis, but whether cigarette smoking affects m6A modification and thus deteriorates to non-small cell lung cancer (NSCLC) is still unclear. Here, we identified a tumor suppressor gene-DAPK2 which was significantly associated with poor prognosis of NSCLC patients, especially in patients with a smoking history. Low levels of DAPK2 were detected in smokers and in NSCLC tissues. Cigarette smoking induced aberrant N6-methyladenosine modification of DAPK2, which resulted in decreased DAPK2 mRNA stability and expression of its mRNA and protein. This modification was mediated by the m6A "writer" METTL3 and the m6A "reader" YTHDF2. Mechanistically, we further demonstrated that DAPK2 functions as a tumor suppressor and downregulation of DAPK2 substantially enhances the proliferation and migration abilities in vitro and in vivo by activating NF-κB signaling pathway. Notably, the BAY 11-7085, a NF-κB signaling selective inhibitor, was shown to efficiently suppressed downregulation of DAPK2-induced oncogenic phenotypes of NSCLC cells. Our study reveals that cigarette smoking induces aberrant N6-methyladenosine of DAPK2 to promote NSCLC progression, which provides new insight into the mechanisms of NSCLC progression and a specific therapeutic target for NSCLC patients with a smoking history.
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Affiliation(s)
- Meng Jin
- Department of Respiratory and Critical Care Medicine, Renmin Hospital of Wuhan University, Zhangzhidong Road No. 99, Wuhan, 430060, China
| | - Guangcai Li
- Department of Respiratory and Critical Care Medicine, The Central Hospital of Enshi Tujia and Miao Autonomous Prefecture, Enshi, 445000, China
| | - Wei Liu
- Department of Respiratory and Critical Care Medicine, Renmin Hospital of Wuhan University, Zhangzhidong Road No. 99, Wuhan, 430060, China
| | - Xiaofeng Wu
- Department of Respiratory and Critical Care Medicine, Renmin Hospital of Wuhan University, Zhangzhidong Road No. 99, Wuhan, 430060, China
| | - Jing Zhu
- Department of Respiratory and Critical Care Medicine, Renmin Hospital of Wuhan University, Zhangzhidong Road No. 99, Wuhan, 430060, China
| | - Dong Zhao
- Department of Respiratory and Critical Care Medicine, Renmin Hospital of Wuhan University, Zhangzhidong Road No. 99, Wuhan, 430060, China
| | - Zhaofu Zeng
- Department of Respiratory and Critical Care Medicine, Renmin Hospital of Wuhan University, Zhangzhidong Road No. 99, Wuhan, 430060, China
| | - Mengqing Xiong
- Department of Respiratory and Critical Care Medicine, Renmin Hospital of Wuhan University, Zhangzhidong Road No. 99, Wuhan, 430060, China
| | - Yan Song
- Department of Respiratory and Critical Care Medicine, Renmin Hospital of Wuhan University, Zhangzhidong Road No. 99, Wuhan, 430060, China
| | - Xin He
- Department of Respiratory and Critical Care Medicine, Renmin Hospital of Wuhan University, Zhangzhidong Road No. 99, Wuhan, 430060, China
| | - Qingfeng Zhang
- Department of Respiratory and Critical Care Medicine, Renmin Hospital of Wuhan University, Zhangzhidong Road No. 99, Wuhan, 430060, China
| | - Ke Hu
- Department of Respiratory and Critical Care Medicine, Renmin Hospital of Wuhan University, Zhangzhidong Road No. 99, Wuhan, 430060, China.
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47
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Li Y, Xu J, Lu Y, Bian H, Yang L, Wu H, Zhang X, Zhang B, Xiong M, Chang Y, Tang J, Yang F, Zhao L, Li J, Gao X, Xia M, Tan M, Li J. DRAK2 aggravates nonalcoholic fatty liver disease progression through SRSF6-associated RNA alternative splicing. Cell Metab 2021; 33:2004-2020.e9. [PMID: 34614409 DOI: 10.1016/j.cmet.2021.09.008] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Revised: 07/26/2021] [Accepted: 09/13/2021] [Indexed: 02/06/2023]
Abstract
Nonalcoholic steatohepatitis (NASH) is an advanced stage of nonalcoholic fatty liver disease (NAFLD) with serious consequences that currently lacks approved pharmacological therapies. Recent studies suggest the close relationship between the pathogenesis of NAFLD and the dysregulation of RNA splicing machinery. Here, we reveal death-associated protein kinase-related apoptosis-inducing kinase-2 (DRAK2) is markedly upregulated in the livers of both NAFLD/NASH patients and NAFLD/NASH diet-fed mice. Hepatic deletion of DRAK2 suppresses the progression of hepatic steatosis to NASH. Comprehensive analyses of the phosphoproteome and transcriptome indicated a crucial role of DRAK2 in RNA splicing and identified the splicing factor SRSF6 as a direct binding protein of DRAK2. Further studies demonstrated that binding to DRAK2 inhibits SRSF6 phosphorylation by the SRSF kinase SRPK1 and regulates alternative splicing of mitochondrial function-related genes. In conclusion, our findings reveal an indispensable role of DRAK2 in NAFLD/NASH and offer a potential therapeutic target for this disease.
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Affiliation(s)
- Yufeng Li
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Junyu Xu
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Yuting Lu
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Hua Bian
- Department of Endocrinology and Metabolism, Zhongshan Hospital, Fudan University, Shanghai 200032, China; Fudan Institute for Metabolic Diseases, Shanghai 200032, China
| | - Lin Yang
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Honghong Wu
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Xinwen Zhang
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Beilei Zhang
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Maoqian Xiong
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200062, China
| | - Yafei Chang
- Department of Bioinformatics and Biostatistics, School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Jie Tang
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200062, China
| | - Fan Yang
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200062, China
| | - Lei Zhao
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Jing Li
- Department of Bioinformatics and Biostatistics, School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Xin Gao
- Department of Endocrinology and Metabolism, Zhongshan Hospital, Fudan University, Shanghai 200032, China; Fudan Institute for Metabolic Diseases, Shanghai 200032, China
| | - Mingfeng Xia
- Department of Endocrinology and Metabolism, Zhongshan Hospital, Fudan University, Shanghai 200032, China; Fudan Institute for Metabolic Diseases, Shanghai 200032, China.
| | - Minjia Tan
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China; University of Chinese Academy of Sciences, Beijing 100049, China.
| | - Jingya Li
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China; University of Chinese Academy of Sciences, Beijing 100049, China; School of Pharmaceutical Science and Technology, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou 310024, China.
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48
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Evans AK, Park HH, Saw NL, Singhal K, Ogawa G, Leib RD, Shamloo M. Age-related neuroinflammation and pathology in the locus coeruleus and hippocampus: beta-adrenergic antagonists exacerbate impairment of learning and memory in aged mice. Neurobiol Aging 2021; 106:241-256. [PMID: 34320462 PMCID: PMC8419102 DOI: 10.1016/j.neurobiolaging.2021.06.012] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Revised: 06/01/2021] [Accepted: 06/14/2021] [Indexed: 11/21/2022]
Abstract
The locus coeruleus (LC) provides the primary noradrenergic input to the forebrain and hippocampus, and may be vulnerable to degeneration and contribute to age-related cognitive decline and neuroinflammation. Additionally, inhibition of noradrenergic transmission by brain-permeable beta-blockers could exacerbate cognitive impairment. This study examined effects of age and acute beta-blocker administration on LC and hippocampus pathology, neuroinflammation and learning and memory behavior in mice. Male mice, 3 and 18 months old, were administered propranolol (beta-blocker) or mabuterol (beta-adrenergic agonist) acutely around behavioral assessment. Terminal inflammatory markers in plasma, hippocampus and LC were assessed alongside histopathology. An increase in hippocampal and LC microgliosis and inflammatory proteins in the hippocampus was detected in aged mice. We report pathological hyperphosphorylation of the postsynaptic NMDA receptor subunit 2B (NR2B) in the hippocampus, suggesting neuronal hyperexcitability. Furthermore, the aged proteome revealed an induction in proteins related to energy metabolism, and mitochondria dysfunction in the LC and hippocampus. In a series of hippocampal dependent behavioral assessment tasks acute beta-adrenergic agonist or beta blocker administration altered learning and memory behavior in both aged and young mice. In Y-maze, propranolol and mabuterol differentially altered time spent in novel versus familiar arms in young and aged mice. Propranolol impaired Novel Object Recognition in both young and aged mice. Mabuterol enhanced trace learning in fear conditioning. Aged mice froze more to context and less to cue. Propranolol impaired contextual recall in aged mice. Concluding, aged mice show LC and hippocampus pathology and heightened effects of beta-adrenergic pharmacology on learning and memory.
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Affiliation(s)
- Andrew K Evans
- Department of Neurosurgery, Stanford University School of Medicine, Palo Alto, CA, USA; Stanford Behavioral and Functional Neuroscience Laboratory, Wu Tsai Neurosciences Institute, Stanford University, Stanford, CA, USA
| | - Heui Hye Park
- Stanford Behavioral and Functional Neuroscience Laboratory, Wu Tsai Neurosciences Institute, Stanford University, Stanford, CA, USA
| | - Nay Lui Saw
- Stanford Behavioral and Functional Neuroscience Laboratory, Wu Tsai Neurosciences Institute, Stanford University, Stanford, CA, USA
| | - Kratika Singhal
- Vincent Coates Foundation Mass Spectrometry Laboratory, Stanford University, Stanford, CA, USA
| | - Gaku Ogawa
- Stanford Behavioral and Functional Neuroscience Laboratory, Wu Tsai Neurosciences Institute, Stanford University, Stanford, CA, USA
| | - Ryan D Leib
- Vincent Coates Foundation Mass Spectrometry Laboratory, Stanford University, Stanford, CA, USA
| | - Mehrdad Shamloo
- Department of Neurosurgery, Stanford University School of Medicine, Palo Alto, CA, USA; Stanford Behavioral and Functional Neuroscience Laboratory, Wu Tsai Neurosciences Institute, Stanford University, Stanford, CA, USA
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49
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Serafim RAM, Elkins JM, Zuercher WJ, Laufer SA, Gehringer M. Chemical Probes for Understudied Kinases: Challenges and Opportunities. J Med Chem 2021; 65:1132-1170. [PMID: 34477374 DOI: 10.1021/acs.jmedchem.1c00980] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Over 20 years after the approval of the first-in-class protein kinase inhibitor imatinib, the biological function of a significant fraction of the human kinome remains poorly understood while most research continues to be focused on few well-validated targets. Given the strong genetic evidence for involvement of many kinases in health and disease, the understudied fraction of the kinome holds a large and unexplored potential for future therapies. Specific chemical probes are indispensable tools to interrogate biology enabling proper preclinical validation of novel kinase targets. In this Perspective, we highlight recent case studies illustrating the development of high-quality chemical probes for less-studied kinases and their application in target validation. We spotlight emerging techniques and approaches employed in the generation of chemical probes for protein kinases and beyond and discuss the associated challenges and opportunities.
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Affiliation(s)
- Ricardo A M Serafim
- Department of Pharmaceutical/Medicinal Chemistry, Eberhard Karls University Tübingen, Auf der Morgenstelle 8, 72076 Tübingen, Germany
| | - Jonathan M Elkins
- Centre for Medicines Discovery, University of Oxford, Old Road Campus Research Building, Roosevelt Drive, Oxford OX3 7DQ, United Kingdom
| | - William J Zuercher
- Division of Chemical Biology and Medicinal Chemistry, UNC Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
| | - Stefan A Laufer
- Department of Pharmaceutical/Medicinal Chemistry, Eberhard Karls University Tübingen, Auf der Morgenstelle 8, 72076 Tübingen, Germany.,Cluster of Excellence iFIT (EXC 2180) "Image-Guided & Functionally Instructed Tumor Therapies", University of Tübingen, 72076 Tübingen, Germany.,Tübingen Center for Academic Drug Discovery, Auf der Morgenstelle 8, 72076 Tübingen, Germany
| | - Matthias Gehringer
- Department of Pharmaceutical/Medicinal Chemistry, Eberhard Karls University Tübingen, Auf der Morgenstelle 8, 72076 Tübingen, Germany.,Cluster of Excellence iFIT (EXC 2180) "Image-Guided & Functionally Instructed Tumor Therapies", University of Tübingen, 72076 Tübingen, Germany
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Horvath M, Petrvalska O, Herman P, Obsilova V, Obsil T. 14-3-3 proteins inactivate DAPK2 by promoting its dimerization and protecting key regulatory phosphosites. Commun Biol 2021; 4:986. [PMID: 34413451 PMCID: PMC8376927 DOI: 10.1038/s42003-021-02518-y] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2021] [Accepted: 08/03/2021] [Indexed: 01/05/2023] Open
Abstract
Death-associated protein kinase 2 (DAPK2) is a CaM-regulated Ser/Thr protein kinase, involved in apoptosis, autophagy, granulocyte differentiation and motility regulation, whose activity is controlled by autoinhibition, autophosphorylation, dimerization and interaction with scaffolding proteins 14-3-3. However, the structural basis of 14-3-3-mediated DAPK2 regulation remains unclear. Here, we structurally and biochemically characterize the full-length human DAPK2:14-3-3 complex by combining several biophysical techniques. The results from our X-ray crystallographic analysis revealed that Thr369 phosphorylation at the DAPK2 C terminus creates a high-affinity canonical mode III 14-3-3-binding motif, further enhanced by the diterpene glycoside Fusicoccin A. Moreover, concentration-dependent DAPK2 dimerization is disrupted by Ca2+/CaM binding and stabilized by 14-3-3 binding in solution, thereby protecting the DAPK2 inhibitory autophosphorylation site Ser318 against dephosphorylation and preventing Ca2+/CaM binding. Overall, our findings provide mechanistic insights into 14-3-3-mediated DAPK2 inhibition and highlight the potential of the DAPK2:14-3-3 complex as a target for anti‐inflammatory therapies. Horvath et al. structurally and biochemically characterize the full-length human DAPK2-14-3-3 complex to investigate the effects of binding to DAPK2 on its dimerization, activation by dephosphorylation of Ser318, and Ca2+/calmodulin binding. Their results provide mechanistic insights into 14- 3-3-mediated DAPK2 inhibition and highlight the potential of the DAPK2:14-3-3 complex as a target for anti-inflammatory therapies.
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Affiliation(s)
- Matej Horvath
- Department of Physical and Macromolecular Chemistry, Faculty of Science, Charles University, Prague, Czech Republic.,Department of Structural Biology of Signaling Proteins, Division BIOCEV, Institute of Physiology of the Czech Academy of Sciences, Vestec, Czech Republic
| | - Olivia Petrvalska
- Department of Physical and Macromolecular Chemistry, Faculty of Science, Charles University, Prague, Czech Republic.,Department of Structural Biology of Signaling Proteins, Division BIOCEV, Institute of Physiology of the Czech Academy of Sciences, Vestec, Czech Republic
| | - Petr Herman
- Institute of Physics, Faculty of Mathematics and Physics, Charles University, Prague, Czech Republic
| | - Veronika Obsilova
- Department of Structural Biology of Signaling Proteins, Division BIOCEV, Institute of Physiology of the Czech Academy of Sciences, Vestec, Czech Republic.
| | - Tomas Obsil
- Department of Physical and Macromolecular Chemistry, Faculty of Science, Charles University, Prague, Czech Republic. .,Department of Structural Biology of Signaling Proteins, Division BIOCEV, Institute of Physiology of the Czech Academy of Sciences, Vestec, Czech Republic.
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