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Wang D, Zhao J, Zhang J, Lv C, Bao S, Gao P, He M, Li L, Zhao H, Zhang C. Targeting TNF-α: The therapeutic potential of certolizumab pegol in the early period of cerebral ischemia reperfusion injury in mice. Int Immunopharmacol 2024; 137:112498. [PMID: 38908079 DOI: 10.1016/j.intimp.2024.112498] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2024] [Revised: 06/05/2024] [Accepted: 06/13/2024] [Indexed: 06/24/2024]
Abstract
The neuroinflammatory response triggered by cerebral ischemia-reperfusion injury (CIRI) is characterized by the upsurge of pro-inflammatory cytokines, including TNF-α, IL-1β, and IL-6, which promote leukocyte infiltration and subsequent accumulation in the ischemic zone. This accumulation further intensifies inflammation and aggravates ischemic damage. Certolizumab pegol (CZP), a monoclonal antibody targeting TNF-α, is widely used in treating various inflammatory diseases. This study explored the therapeutic potential of CZP in a mouse model of CIRI, induced by middle cerebral artery occlusion (MCAO), focusing on its influence on the microglial inflammatory response. In vitro analyses revealed that CZP markedly inhibits TNF-α-stimulated inflammation in primary microglia with an EC50 of 1.743 ng/mL. In vivo, MCAO mice treated with CZP (10 μg/mouse, i.p.) for 3 days showed reduced infarct volume, partially improved neurological function, and diminished blood-brain barrierdisruption. Additionally, CZP treatment curtailed microglial activation and the release of pro-inflammatory mediators in the early stages of stroke. It also favorably modulated microglial M1/M2 polarization, rebalanced Th17/Treg cells dynamics, and inhibited Caspase-8-mediated GSDMD cleavage, preventing microglial pyroptosis. Collectively, this study described that the treatment with CZP reversed damaging process caused by CIRI, offering a promising therapeutic strategy for the treatment of ischemic stroke.
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Affiliation(s)
- Dexiao Wang
- Yunnan Provincial Key Laboratory of Entomological Biopharmaceutical R&D, College of Pharmacy, Dali University, Dali, Yunnan, PR China; National Local Joint Engineering Research Center of Entomoceutics, Dali, PR China
| | - Jie Zhao
- Yunnan Provincial Key Laboratory of Entomological Biopharmaceutical R&D, College of Pharmacy, Dali University, Dali, Yunnan, PR China; National Local Joint Engineering Research Center of Entomoceutics, Dali, PR China
| | - Jingyu Zhang
- Yunnan Provincial Key Laboratory of Entomological Biopharmaceutical R&D, College of Pharmacy, Dali University, Dali, Yunnan, PR China; National Local Joint Engineering Research Center of Entomoceutics, Dali, PR China
| | - Changling Lv
- Yunnan Provincial Key Laboratory of Entomological Biopharmaceutical R&D, College of Pharmacy, Dali University, Dali, Yunnan, PR China
| | - Shuangyan Bao
- Yunnan Provincial Key Laboratory of Entomological Biopharmaceutical R&D, College of Pharmacy, Dali University, Dali, Yunnan, PR China; National Local Joint Engineering Research Center of Entomoceutics, Dali, PR China
| | - Pengfei Gao
- Yunnan Provincial Key Laboratory of Entomological Biopharmaceutical R&D, College of Pharmacy, Dali University, Dali, Yunnan, PR China; National Local Joint Engineering Research Center of Entomoceutics, Dali, PR China
| | - Miao He
- Yunnan Provincial Key Laboratory of Entomological Biopharmaceutical R&D, College of Pharmacy, Dali University, Dali, Yunnan, PR China
| | - Lijuan Li
- Yunnan Provincial Key Laboratory of Entomological Biopharmaceutical R&D, College of Pharmacy, Dali University, Dali, Yunnan, PR China; School of Public Health, Dali University, Dali, PR China.
| | - Hairong Zhao
- Yunnan Provincial Key Laboratory of Entomological Biopharmaceutical R&D, College of Pharmacy, Dali University, Dali, Yunnan, PR China; National Local Joint Engineering Research Center of Entomoceutics, Dali, PR China.
| | - Chenggui Zhang
- Yunnan Provincial Key Laboratory of Entomological Biopharmaceutical R&D, College of Pharmacy, Dali University, Dali, Yunnan, PR China; National Local Joint Engineering Research Center of Entomoceutics, Dali, PR China.
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Říhová K, Lapčík P, Veselá B, Knopfová L, Potěšil D, Pokludová J, Šmarda J, Matalová E, Bouchal P, Beneš P. Caspase-9 Is a Positive Regulator of Osteoblastic Cell Migration Identified by diaPASEF Proteomics. J Proteome Res 2024; 23:2999-3011. [PMID: 38498986 PMCID: PMC11301665 DOI: 10.1021/acs.jproteome.3c00641] [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: 10/03/2023] [Revised: 02/21/2024] [Accepted: 03/07/2024] [Indexed: 03/20/2024]
Abstract
Caspase-9 is traditionally considered the initiator caspase of the intrinsic apoptotic pathway. In the past decade, however, other functions beyond initiation/execution of cell death have been described including cell type-dependent regulation of proliferation, differentiation/maturation, mitochondrial, and endosomal/lysosomal homeostasis. As previous studies revealed nonapoptotic functions of caspases in osteogenesis and bone homeostasis, this study was performed to identify proteins and pathways deregulated by knockout of caspase-9 in mouse MC3T3-E1 osteoblasts. Data-independent acquisition-parallel accumulation serial fragmentation (diaPASEF) proteomics was used to compare protein profiles of control and caspase-9 knockout cells. A total of 7669 protein groups were quantified, and 283 upregulated/141 downregulated protein groups were associated with the caspase-9 knockout phenotype. The deregulated proteins were mainly enriched for those associated with cell migration and motility and DNA replication/repair. Altered migration was confirmed in MC3T3-E1 cells with the genetic and pharmacological inhibition of caspase-9. ABHD2, an established regulator of cell migration, was identified as a possible substrate of caspase-9. We conclude that caspase-9 acts as a modulator of osteoblastic MC3T3-E1 cell migration and, therefore, may be involved in bone remodeling and fracture repair.
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Affiliation(s)
- Kamila Říhová
- Department
of Experimental Biology, Faculty of Science, Masaryk University, Brno 625 00, Czech Republic
- International
Clinical Research Center, St. Anne’s
University Hospital, Brno 602 00, Czech Republic
| | - Petr Lapčík
- Department
of Biochemistry, Faculty of Science, Masaryk
University, Brno 625 00, Czech Republic
| | - Barbora Veselá
- Laboratory
of Odontogenesis and Osteogenesis, Institute of Animal Physiology
and Genetics, Czech Academy of Sciences, Brno 602 00, Czech Republic
| | - Lucia Knopfová
- Department
of Experimental Biology, Faculty of Science, Masaryk University, Brno 625 00, Czech Republic
- International
Clinical Research Center, St. Anne’s
University Hospital, Brno 602 00, Czech Republic
| | - David Potěšil
- Proteomics
Core Facility, Central European Institute for Technology, Masaryk University, Brno 625 00, Czech Republic
| | - Jana Pokludová
- Department
of Experimental Biology, Faculty of Science, Masaryk University, Brno 625 00, Czech Republic
- International
Clinical Research Center, St. Anne’s
University Hospital, Brno 602 00, Czech Republic
| | - Jan Šmarda
- Department
of Experimental Biology, Faculty of Science, Masaryk University, Brno 625 00, Czech Republic
| | - Eva Matalová
- Laboratory
of Odontogenesis and Osteogenesis, Institute of Animal Physiology
and Genetics, Czech Academy of Sciences, Brno 602 00, Czech Republic
- Department
of Physiology, Faculty of Veterinary Medicine, University of Veterinary Sciences, Brno 612 42, Czech Republic
| | - Pavel Bouchal
- Department
of Biochemistry, Faculty of Science, Masaryk
University, Brno 625 00, Czech Republic
| | - Petr Beneš
- Department
of Experimental Biology, Faculty of Science, Masaryk University, Brno 625 00, Czech Republic
- International
Clinical Research Center, St. Anne’s
University Hospital, Brno 602 00, Czech Republic
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3
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Lin M, Xiao Y, Dai Y, Mao Y, Xu L, Zhang Q, Chen Z. Chloroxine inhibits pancreatic cancer progression through targeted antagonization of the PI3K/AKT/mTOR signaling pathway. Clin Transl Oncol 2024; 26:951-965. [PMID: 37848695 DOI: 10.1007/s12094-023-03328-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2023] [Accepted: 09/24/2023] [Indexed: 10/19/2023]
Abstract
BACKGROUND Patients with pancreatic cancer have a dismal prognosis due to tumor cell infiltration and metastasis. Many reports have documented that EMT and PI3K-AKT-mTOR axis control pancreatic cancer cell infiltration and metastasis. Chloroxine is an artificially synthesized antibacterial compound that demonstrated anti-pancreatic cancer effects in our previous drug-screening trial. We have explored the impact of chloroxine on pancreatic cancer growth, infiltration, migration, and apoptosis. METHODS The proliferation of pancreatic cancer cell lines (PCCs) treated with chloroxine was assessed through real-time cell analysis (RTCA), colony formation assay, CCK-8 assay, as well as immunofluorescence. Chloroxine effects on the infiltrative and migratory capacities of PCCs were assessed via Transwell invasion and scratch experiments. To assess the contents of EMT- and apoptosis-associated proteins in tumor cells, we adopted Western immunoblotting as well as immunofluorescence assays, and flow cytometry to determine chloroxine effects on PCCs apoptosis. The in vivo chloroxine antineoplastic effects were explored in nude mice xenografts. RESULTS Chloroxine repressed pancreatic cancer cell growth, migration, and infiltration in vitro, as well as in vivo, and stimulated apoptosis of the PCCs. Chloroxine appeared to inhibit PCC growth by Ki67 downregulation; this targeted and inhibited aberrant stimulation of the PI3K-AKT-mTOR signaling cascade, triggered apoptosis in PCC via mitochondria-dependent apoptosis, and modulated the EMT to inhibit PCC infiltration and migration. CONCLUSIONS Chloroxine targeted and inhibited the PI3K-AKT-mTOR cascade to repress PCCs growth, migration, as well as invasion, and triggered cellular apoptosis. Therefore, chloroxine may constitute a potential antineoplastic drug for the treatment of pancreatic cancer.
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Affiliation(s)
- Miaomiao Lin
- The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, Zhejiang Province, People's Republic of China
| | - Yanyi Xiao
- Key Laboratory of Diagnosis and Treatment of Severe Hepato-Pancreatic Diseases of Zhejiang Province, Zhejiang Provincial Top Key Discipline in Surgery, First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, Zhejiang Province, People's Republic of China
| | - Yile Dai
- Key Laboratory of Diagnosis and Treatment of Severe Hepato-Pancreatic Diseases of Zhejiang Province, Zhejiang Provincial Top Key Discipline in Surgery, First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, Zhejiang Province, People's Republic of China
| | - Yefan Mao
- Key Laboratory of Diagnosis and Treatment of Severe Hepato-Pancreatic Diseases of Zhejiang Province, Zhejiang Provincial Top Key Discipline in Surgery, First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, Zhejiang Province, People's Republic of China
| | - Liming Xu
- Key Laboratory of Diagnosis and Treatment of Severe Hepato-Pancreatic Diseases of Zhejiang Province, Zhejiang Provincial Top Key Discipline in Surgery, First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, Zhejiang Province, People's Republic of China
| | - Qiyu Zhang
- Department for Hepato-Biliary-Pancreatic Surgery, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, Zhejiang Province, People's Republic of China.
| | - Zhe Chen
- Department for Hepato-Biliary-Pancreatic Surgery, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, Zhejiang Province, People's Republic of China.
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4
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Guerrache A, Micheau O. TNF-Related Apoptosis-Inducing Ligand: Non-Apoptotic Signalling. Cells 2024; 13:521. [PMID: 38534365 DOI: 10.3390/cells13060521] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2024] [Revised: 03/01/2024] [Accepted: 03/14/2024] [Indexed: 03/28/2024] Open
Abstract
TNF-related apoptosis-inducing ligand (TRAIL or Apo2 or TNFSF10) belongs to the TNF superfamily. When bound to its agonistic receptors, TRAIL can induce apoptosis in tumour cells, while sparing healthy cells. Over the last three decades, this tumour selectivity has prompted many studies aiming at evaluating the anti-tumoral potential of TRAIL or its derivatives. Although most of these attempts have failed, so far, novel formulations are still being evaluated. However, emerging evidence indicates that TRAIL can also trigger a non-canonical signal transduction pathway that is likely to be detrimental for its use in oncology. Likewise, an increasing number of studies suggest that in some circumstances TRAIL can induce, via Death receptor 5 (DR5), tumour cell motility, potentially leading to and contributing to tumour metastasis. While the pro-apoptotic signal transduction machinery of TRAIL is well known from a mechanistic point of view, that of the non-canonical pathway is less understood. In this study, we the current state of knowledge of TRAIL non-canonical signalling.
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Affiliation(s)
- Abderrahmane Guerrache
- Université de Bourgogne, 21000 Dijon, France
- INSERM Research Center U1231, «Equipe DesCarTes», 21000 Dijon, France
| | - Olivier Micheau
- Université de Bourgogne, 21000 Dijon, France
- INSERM Research Center U1231, «Equipe DesCarTes», 21000 Dijon, France
- Laboratoire d'Excellence LipSTIC, 21000 Dijon, France
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5
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Bayramova E, Petrova D, Marchenkov A, Morozov A, Galachyants Y, Zakharova Y, Bedoshvili Y, Likhoshway Y. Differential Expression of Stress Adaptation Genes in a Diatom Ulnaria acus under Different Culture Conditions. Int J Mol Sci 2024; 25:2314. [PMID: 38396992 PMCID: PMC10888605 DOI: 10.3390/ijms25042314] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2024] [Revised: 02/11/2024] [Accepted: 02/13/2024] [Indexed: 02/25/2024] Open
Abstract
Diatoms are a group of unicellular eukaryotes that are essential primary producers in aquatic ecosystems. The dynamic nature of their habitat necessitates a quick and specific response to various stresses. However, the molecular mechanisms of their physiological adaptations are still underexplored. In this work, we study the response of the cosmopolitan freshwater diatom Ulnaria acus (Bacillariophyceae, Fragilariophycidae, Licmophorales, Ulnariaceae, Ulnaria) in relation to a range of stress factors, namely silica deficiency, prolonged cultivation, and interaction with an algicidal bacterium. Fluorescent staining and light microscopy were used to determine the physiological state of cells under these stresses. To explore molecular reactions, we studied the genes involved in the stress response-type III metacaspase (MC), metacaspase-like proteases (MCP), death-specific protein (DSP), delta-1-pyrroline-5-carboxylate dehydrogenase (ALDH12), and glutathione synthetase (GSHS). We have described the structure of these genes, analyzed the predicted amino acid sequences, and measured their expression dynamics in vitro using qRT-PCR. We demonstrated that the expression of UaMC1, UaMC3, and UaDSP increased during the first five days of silicon starvation. On the seventh day, it was replaced with the expression of UaMC2, UaGSHS, and UaALDH. After 45 days of culture, cells stopped growing, and the expression of UaMC1, UaMC2, UaGSHS, and UaDSP increased. Exposure to an algicidal bacterial filtrate induced a higher expression of UaMC1 and UaGSHS. Thus, we can conclude that these proteins are involved in diatoms' adaptions to environmental changes. Further, these data show that the molecular adaptation mechanisms in diatoms depend on the nature and exposure duration of a stress factor.
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Affiliation(s)
| | | | | | | | | | | | - Yekaterina Bedoshvili
- Limnological Institute, Siberian Branch of the Russian Academy of Sciences, 664033 Irkutsk, Russia; (E.B.); (D.P.); (A.M.); (A.M.); (Y.G.); (Y.Z.); (Y.L.)
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6
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Contadini C, Ferri A, Cirotti C, Stupack D, Barilà D. Caspase-8 and Tyrosine Kinases: A Dangerous Liaison in Cancer. Cancers (Basel) 2023; 15:3271. [PMID: 37444381 DOI: 10.3390/cancers15133271] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Revised: 06/15/2023] [Accepted: 06/16/2023] [Indexed: 07/15/2023] Open
Abstract
Caspase-8 is a cysteine-aspartic acid protease that has been identified as an initiator caspase that plays an essential role in the extrinsic apoptotic pathway. Evasion of apoptosis is a hallmark of cancer and Caspase-8 expression is silenced in some tumors, consistent with its central role in apoptosis. However, in the past years, several studies reported an increased expression of Caspase-8 levels in many tumors and consistently identified novel "non-canonical" non-apoptotic functions of Caspase-8 that overall promote cancer progression and sustain therapy resistance. These reports point to the ability of cancer cells to rewire Caspase-8 function in cancer and raise the question of which are the signaling pathways aberrantly activated in cancer that may contribute to the hijack of Caspase-8 activity. In this regard, tyrosine kinases are among the first oncogenes ever identified and genomic, transcriptomic and proteomic studies indeed show that they represent a class of signaling molecules constitutively activated in most of the tumors. Here, we aim to review and discuss the role of Caspase-8 in cancer and its interplay with Src and other tyrosine kinases.
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Affiliation(s)
- Claudia Contadini
- Laboratory of Cell Signaling, IRCCS-Fondazione Santa Lucia, 00179 Rome, Italy
- Department of Biology, University of Rome "Tor Vergata", 00133 Rome, Italy
| | - Alessandra Ferri
- Department of Pathology and Laboratory Medicine, New York Presbyterian Hospital, Weill Cornell Medicine, New York, NY 10021, USA
| | - Claudia Cirotti
- Laboratory of Cell Signaling, IRCCS-Fondazione Santa Lucia, 00179 Rome, Italy
- Department of Biology, University of Rome "Tor Vergata", 00133 Rome, Italy
| | - Dwayne Stupack
- Moores Cancer Center, University of California San Diego, 3855 Health Sciences Drive, La Jolla, CA 92093-0803, USA
| | - Daniela Barilà
- Laboratory of Cell Signaling, IRCCS-Fondazione Santa Lucia, 00179 Rome, Italy
- Department of Biology, University of Rome "Tor Vergata", 00133 Rome, Italy
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7
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Xue W, Sun R, Hao Z, Xing Z, Cheng H, Shao L. Heterophyllin B ameliorates gastric cancer tumor growth through activating ER stress. Tissue Cell 2023; 83:102129. [PMID: 37406539 DOI: 10.1016/j.tice.2023.102129] [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: 09/12/2022] [Revised: 05/31/2023] [Accepted: 06/08/2023] [Indexed: 07/07/2023]
Abstract
BACKGROUND Gastric cancer (GC) is the third leading cause of cancer-related death worldwide. Heterophyllin B (HB) has been proved to be a potential drug in cancer treatment. METHODS In the current study, GC cells were treated with 0, 10, 25, or 50 μM of HB. Cell viability was determined by utilizing MTT assay. Flow cytometry was carried out for cell apoptosis and cell cycle analysis. The expression levels of IRE1, CHOP, GRP78 and Bcl-2 in cells and tumors were measured by Western blot and immunohistochemistry, respectively. RESULTS Our data uncovered that HB administration significantly suppressed GC cell viability, but facilitated GC cell apoptosis and cell cycle arrest at G0/G1 phase. The effects of HB on GC cell proliferation, apoptosis and cell cycle showed dosage-dependent manner. Furthermore, expression of ER stress-associated proteins like IRE1, CHOP and GRP78 was markedly upregulated, while anti-apoptosis protein Bcl2 expression was inhibited by HB treatment in a dosage-dependent manner. Our data indicated that HB treatment facilitated caspase-3 expression in a dose-dependent manner, but had no effect on caspase-8 expression. Importantly, the inhibition of HB to GC cell apoptosis and cell cycle process and the promotion of HB to GC cell proliferation were partly rescued by inhibition of ER stress utilizing 4-PBA. In animal experiments, HB administration suppressed GC tumor growth, boosted IRE1, CHOP and GRP78 expression and inhibited Bcl-2 expression. CONCLUSION All in all, HB treatment could effectively suppress GC cells proliferation and tumors growth and facilitate GC cells apoptosis and cell cycle arrest through activating ER stress. Our data indicated that HB may be a potential drug for GC treatment.
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Affiliation(s)
- Wanli Xue
- Department of General Surgery, Jiaozuo Hospital of Traditional Chinese Medicine, Jiaozuo 454000, China
| | - Rui Sun
- Department of Endocrinology, The People's Hospital of Jiaozuo City, Jiaozuo 454000, China.
| | - Zheng Hao
- Department of General Surgery, Jiaozuo Hospital of Traditional Chinese Medicine, Jiaozuo 454000, China
| | - Zhenzhen Xing
- Department of General Surgery, Jiaozuo Hospital of Traditional Chinese Medicine, Jiaozuo 454000, China
| | - Hongjie Cheng
- Department of General Surgery, Jiaozuo Hospital of Traditional Chinese Medicine, Jiaozuo 454000, China
| | - Lei Shao
- Department of General Surgery, Jiaozuo Hospital of Traditional Chinese Medicine, Jiaozuo 454000, China
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8
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Contadini C, Ferri A, Di Martile M, Cirotti C, Del Bufalo D, De Nicola F, Pallocca M, Fanciulli M, Sacco F, Donninelli G, Capone A, Volpe E, Keller N, Miki S, Kawauchi D, Stupack D, Furnari F, Barilà D. Caspase-8 as a novel mediator linking Src kinase signaling to enhanced glioblastoma malignancy. Cell Death Differ 2023; 30:417-428. [PMID: 36460775 PMCID: PMC9950463 DOI: 10.1038/s41418-022-01093-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Revised: 10/28/2022] [Accepted: 11/11/2022] [Indexed: 12/03/2022] Open
Abstract
Caspase-8 is a cysteine protease that plays an essential role in apoptosis. Consistently with its canonical proapoptotic function, cancer cells may genetically or epigenetically downregulate its expression. Unexpectedly, Caspase-8 is often retained in cancer, suggesting the presence of alternative mechanisms that may be exploited by cancer cells to their own benefit. In this regard, we reported that Src tyrosine kinase, which is aberrantly activated in many tumors, promotes Caspase-8 phosphorylation on Tyrosine 380 (Y380) preventing its full activation. Here, we investigated the significance of Caspase-8 expression and of its phosphorylation on Y380 in glioblastoma, a brain tumor where both Caspase-8 expression and Src activity are often aberrantly upregulated. Transcriptomic analyses identified inflammatory response as a major target of Caspase-8, and in particular, NFκB signaling as one of the most affected pathways. More importantly, we could show that Src-dependent phosphorylation of Caspase-8 on Y380 drives the assembly of a multiprotein complex that triggers NFκB activation, thereby inducing the expression of inflammatory and pro-angiogenic factors. Remarkably, phosphorylation on Y380 sustains neoangiogenesis and resistance to radiotherapy. In summary, our work identifies a novel interplay between Src kinase and Caspase-8 that allows cancer cells to hijack Caspase-8 to sustain tumor growth.
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Affiliation(s)
- Claudia Contadini
- Department of Biology, University of Rome "Tor Vergata", 00133, Rome, Italy
- Laboratory of Cell Signaling, IRCCS-Fondazione Santa Lucia, 00179, Rome, Italy
| | - Alessandra Ferri
- Department of Biology, University of Rome "Tor Vergata", 00133, Rome, Italy
- Laboratory of Cell Signaling, IRCCS-Fondazione Santa Lucia, 00179, Rome, Italy
| | - Marta Di Martile
- UOSD Preclinical Models and New Therapeutic Agents Unit, IRCCS Regina Elena National Cancer Institute, Rome, Italy
| | - Claudia Cirotti
- Department of Biology, University of Rome "Tor Vergata", 00133, Rome, Italy
- Laboratory of Cell Signaling, IRCCS-Fondazione Santa Lucia, 00179, Rome, Italy
| | - Donatella Del Bufalo
- UOSD Preclinical Models and New Therapeutic Agents Unit, IRCCS Regina Elena National Cancer Institute, Rome, Italy
| | | | - Matteo Pallocca
- UOSD SAFU, IRCCS Regina Elena National Cancer Institute, Rome, Italy
| | | | - Francesca Sacco
- Department of Biology, University of Rome "Tor Vergata", 00133, Rome, Italy
| | - Gloria Donninelli
- Laboratory of Molecular Neuroimmunology, IRCCS-Fondazione Santa Lucia, 00179, Rome, Italy
| | - Alessia Capone
- Laboratory of Molecular Neuroimmunology, IRCCS-Fondazione Santa Lucia, 00179, Rome, Italy
| | - Elisabetta Volpe
- Laboratory of Molecular Neuroimmunology, IRCCS-Fondazione Santa Lucia, 00179, Rome, Italy
| | - Nadine Keller
- University of California San Diego Moores Cancer Center, La Jolla, CA, 92093-0803, USA
| | - Shunichiro Miki
- Department of Medicine, Division of Regenerative Medicine, University of California-San Diego, La Jolla, CA, 92093, USA
| | - Daisuke Kawauchi
- Department of Medicine, Division of Regenerative Medicine, University of California-San Diego, La Jolla, CA, 92093, USA
| | - Dwayne Stupack
- University of California San Diego Moores Cancer Center, La Jolla, CA, 92093-0803, USA
| | - Frank Furnari
- Department of Medicine, Division of Regenerative Medicine, University of California-San Diego, La Jolla, CA, 92093, USA
| | - Daniela Barilà
- Department of Biology, University of Rome "Tor Vergata", 00133, Rome, Italy.
- Laboratory of Cell Signaling, IRCCS-Fondazione Santa Lucia, 00179, Rome, Italy.
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9
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Li X, Zhang Y, Wang N, Yuan Z, Chen X, Chen Q, Deng H, Tong X, Chen H, Duan Y, Wei Y. CircRNA.0007127 triggers apoptosis through the miR-513a-5p/CASP8 axis in K-562 cells. J Zhejiang Univ Sci B 2022; 23:732-746. [PMID: 36111570 DOI: 10.1631/jzus.b2200048] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
BACKGROUND: Circular RNAs (circRNAs) are covalently closed single-stranded RNAs with multiple biological functions. CircRNA.0007127 is derived from the carbon catabolite repression 4-negative on TATA-less (CCR4-NOT) complex subunit 2 (CNOT2), which was found to regulate tumor cell apoptosis through caspase pathway. METHODS: Potential circRNA.0007127 target microRNAs (miRNAs) were analyzed by miRanda, TargetScan, and RNAhybrid software, and the miRNAs with binding sites for apoptosis-related genes were screened. The roles of circRNA.0007127 and its downstream target, microRNA (miR)-513a-5p, were validated by quantitative real-time polymerase chain reaction (qPCR), flow cytometry, mitochondrial membrane potential, immunofluorescence, western blot, and caspase-8 (CASP8) protein activity in vitro in H2O2-induced K-562 cells. The circRNA.0007127‒miR-513a-5p and CASP8‒miR-513a-5p interactions were verified by luciferase reporter assays. RESULTS: Silencing circRNA.0007127 decreased cell apoptosis by inhibiting CASP8 pathway activation in K-562 cells. Compared with the control group, the expression of CASP8 was reduced by 50% and the 43-kD fragment of CASP8 protein was significantly reduced (P≤0.05). The luciferase reporting assay showed that circRNA.0007127 combined with miR-513a-5p or CASP8, with extremely significant differences (P≤0.001). The overexpression of miR-513a-5p inhibited the gene expression level of CASP8 in a human myeloid leukemia cell model (75% change) and the level of a 43-kD fragment of CASP8 protein (P≤0.01). The rescue experiment showed that cotransfection with circRNA.0007127 small-interfering RNA (siRNA) and the miR-513a-5p inhibitor increased CASP8 gene expression and the apoptosis rate, suggesting that the miR-513a-5p inhibitor is a circRNA.0007127 siRNA antagonist. CONCLUSIONS: CircRNA.0007127 regulates K-562 cell apoptosis through the miR-513a-5p/CASP8 axis, which can serve as a novel powerful molecular target for K-562 cells.
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Affiliation(s)
- Xiajing Li
- School of Medicine, South China University of Technology, Guangzhou 510000, China
| | - Yiyu Zhang
- Department of Blood Transfusion, Shenzhen Longhua Central Hospital, Shenzhen 518000, China
| | - Ning Wang
- Laboratory of Stem Cells and Translational Medicine, Institutes for Life Sciences, School of Medicine, South China University of Technology, Guangzhou 510000, China.,School of Biomedical Sciences and Engineering, Guangzhou International Campus, South China University of Technology, Guangzhou 510000, China
| | - Zhaohu Yuan
- Department of Blood Transfusion, the Second Affiliation Hospital of South China University of Technology, Guangzhou 510000, China.,Guangdong Engineering Research Center of Precise Transfusion, Guangzhou 510000, China
| | - Xiaojie Chen
- Department of Blood Transfusion, the Second Affiliation Hospital of South China University of Technology, Guangzhou 510000, China.,Guangdong Engineering Research Center of Precise Transfusion, Guangzhou 510000, China
| | - Qicong Chen
- Laboratory of Stem Cells and Translational Medicine, Institutes for Life Sciences, School of Medicine, South China University of Technology, Guangzhou 510000, China.,School of Biomedical Sciences and Engineering, Guangzhou International Campus, South China University of Technology, Guangzhou 510000, China
| | - Hui Deng
- Department of Blood Transfusion, the Second Affiliation Hospital of South China University of Technology, Guangzhou 510000, China.,Guangdong Engineering Research Center of Precise Transfusion, Guangzhou 510000, China
| | - Xinxin Tong
- Department of Blood Transfusion, the Second Affiliation Hospital of South China University of Technology, Guangzhou 510000, China.,Guangdong Engineering Research Center of Precise Transfusion, Guangzhou 510000, China
| | - Honglin Chen
- Laboratory of Stem Cells and Translational Medicine, Institutes for Life Sciences, School of Medicine, South China University of Technology, Guangzhou 510000, China
| | - Yuyou Duan
- Laboratory of Stem Cells and Translational Medicine, Institutes for Life Sciences, School of Medicine, South China University of Technology, Guangzhou 510000, China. ,
| | - Yaming Wei
- Department of Blood Transfusion, the Second Affiliation Hospital of South China University of Technology, Guangzhou 510000, China. .,Guangdong Engineering Research Center of Precise Transfusion, Guangzhou 510000, China.
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10
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Jahn K, Shumba P, Quach P, Müsken M, Wesche J, Greinacher A, Rajagopal L, Hammerschmidt S, Siemens N. Group B Streptococcal Hemolytic Pigment Impairs Platelet Function in a Two-Step Process. Cells 2022; 11:cells11101637. [PMID: 35626674 PMCID: PMC9139542 DOI: 10.3390/cells11101637] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Revised: 05/10/2022] [Accepted: 05/10/2022] [Indexed: 11/22/2022] Open
Abstract
Group B streptococci (GBS) cause a range of invasive maternal-fetal diseases during pregnancy and post-partum. However, invasive infections in non-pregnant adults are constantly increasing. These include sepsis and streptococcal toxic shock syndrome, which are often complicated by systemic coagulation and thrombocytopenia. GBS express a hyper-hemolytic ornithine rhamnolipid pigment toxin with cytolytic and coagulatory activity. Here, we investigated the effects of GBS pigment on human platelets. Infections of platelets with pigmented GBS resulted initially in platelet activation, followed by necrotic cell death. Thus, this study shows that GBS pigment kills human platelets.
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Affiliation(s)
- Kristin Jahn
- Center for Functional Genomics of Microbes, Department of Molecular Genetics and Infection Biology, Interfaculty Institute for Genetics and Functional Genomics, University of Greifswald, 17489 Greifswald, Germany; (K.J.); (P.S.)
| | - Patience Shumba
- Center for Functional Genomics of Microbes, Department of Molecular Genetics and Infection Biology, Interfaculty Institute for Genetics and Functional Genomics, University of Greifswald, 17489 Greifswald, Germany; (K.J.); (P.S.)
| | - Phoenicia Quach
- Department of Global Health, University of Washington, Seattle, WA 98105, USA; (P.Q.); (L.R.)
| | - Mathias Müsken
- Central Facility for Microscopy, Helmholtz Centre for Infection Research, 38124 Braunschweig, Germany;
| | - Jan Wesche
- Department of Transfusion Medicine, Institute of Immunology and Transfusion Medicine, University Medicine Greifswald, 17475 Greifswald, Germany; (J.W.); (A.G.)
| | - Andreas Greinacher
- Department of Transfusion Medicine, Institute of Immunology and Transfusion Medicine, University Medicine Greifswald, 17475 Greifswald, Germany; (J.W.); (A.G.)
| | - Lakshmi Rajagopal
- Department of Global Health, University of Washington, Seattle, WA 98105, USA; (P.Q.); (L.R.)
- Center for Global Infectious Disease Research, Seattle Children’s Research Institute, Seattle, WA 98019, USA
- Department of Pediatrics, University of Washington School of Medicine, Seattle, WA 98105, USA
| | - Sven Hammerschmidt
- Center for Functional Genomics of Microbes, Department of Molecular Genetics and Infection Biology, Interfaculty Institute for Genetics and Functional Genomics, University of Greifswald, 17489 Greifswald, Germany; (K.J.); (P.S.)
- Correspondence: (S.H.); (N.S.); Tel.: +49-3-834-420-5701 (S.H.); +49-3-834-420-5711 (N.S.)
| | - Nikolai Siemens
- Center for Functional Genomics of Microbes, Department of Molecular Genetics and Infection Biology, Interfaculty Institute for Genetics and Functional Genomics, University of Greifswald, 17489 Greifswald, Germany; (K.J.); (P.S.)
- Correspondence: (S.H.); (N.S.); Tel.: +49-3-834-420-5701 (S.H.); +49-3-834-420-5711 (N.S.)
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11
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Ansalone C, Ainsworth RI, Nygaard G, Ai R, Prideaux EB, Hammaker D, Perumal NB, Weichert K, Tung F, Kodandapani L, Sauder JM, Mertsching EC, Benschop RJ, Boyle DL, Wang W, Firestein GS. Caspase-8 Variant G Regulates Rheumatoid Arthritis Fibroblast-Like Synoviocyte Aggressive Behavior. ACR Open Rheumatol 2022; 4:288-299. [PMID: 34963199 PMCID: PMC8992463 DOI: 10.1002/acr2.11384] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2021] [Revised: 08/23/2021] [Accepted: 10/13/2021] [Indexed: 11/09/2022] Open
Abstract
OBJECTIVE Fibroblast-like synoviocytes (FLS) play a pivotal role in rheumatoid arthritis (RA) by contributing to synovial inflammation and progressive joint damage. An imprinted epigenetic state is associated with the FLS aggressive phenotype. We identified CASP8 (encoding for caspase-8) as a differentially marked gene and evaluated its pathogenic role in RA FLSs. METHODS RA FLS lines were obtained from synovial tissues at arthroplasty and used at passage 5-8. Caspase-8 was silenced using small interfering RNA, and its effect was determined in cell adhesion, migration and invasion assays. Quantitative reverse transcription PCR and western blot were used to assess gene and protein expression, respectively. A caspase-8 selective inhibitor was used determine the role of enzymatic activity on FLS migration and invasion. Caspase-8 isoform transcripts and epigenetic marks in FLSs were analyzed in FLS public databases. Crystal structures of caspase-8B and G were determined. RESULTS Caspase-8 deficiency in RA FLSs reduced cell adhesion, migration, and invasion independent of its catalytic activity. Epigenetic and transcriptomic analyses of RA FLSs revealed that a specific caspase-8 isoform, variant G, is the dominant isoform expressed (~80% of total caspase-8) and induced by PDGF. The crystal structures of caspase-8 variant G and B were identical except for a unique unstructured 59 amino acid N-terminal domain in variant G. Selective knockdown of caspase-8G was solely responsible for the effects of caspase-8 on calpain activity and cell invasion in FLS. CONCLUSION Blocking caspase-8 variant G could decrease cell invasion in diseases like RA without the potential deleterious effects of nonspecific caspase-8 inhibition.
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Affiliation(s)
| | | | - Gyrid Nygaard
- University of California San DiegoLa JollaCalifornia
| | - Rizi Ai
- University of California San DiegoLa JollaCalifornia
| | | | | | | | | | | | | | | | | | | | | | - Wei Wang
- University of California San DiegoLa JollaCalifornia
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12
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Ghosh A, Das C, Ghose S, Maitra A, Roy B, Majumder PP, Biswas NK. Integrative analysis of genomic and transcriptomic data of normal, tumour and co-occurring leukoplakia tissue triads drawn from patients with gingivobuccal oral cancer identifies signatures of tumour initiation and progression. J Pathol 2022; 257:593-606. [PMID: 35358331 PMCID: PMC9545831 DOI: 10.1002/path.5900] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Revised: 03/25/2022] [Accepted: 03/28/2022] [Indexed: 11/16/2022]
Abstract
A thickened, white patch — leukoplakia — in the oral cavity is usually benign, but sometimes (in ~9% of individuals) it progresses to malignant tumour. Because the genomic basis of this progression is poorly understood, we undertook this study and collected samples of four tissues — leukoplakia, tumour, adjacent normal, and blood — from each of 28 patients suffering from gingivobuccal oral cancer. We performed multiomics analysis of the 112 collected tissues (four tissues per patient from 28 patients) and integrated information on progressive changes in the mutational and transcriptional profiles of each patient to create this genomic narrative. Additionally, we generated and analysed whole‐exome sequence data from leukoplakia tissues collected from 11 individuals not suffering from oral cancer. Nonsynonymous somatic mutations in the CASP8 gene were identified as the likely events to initiate malignant transformation, since these were frequently shared between tumour and co‐occurring leukoplakia. CASP8 alterations were also shown to enhance expressions of genes that favour lateral spread of mutant cells. During malignant transformation, additional pathogenic mutations are acquired in key genes (TP53, NOTCH1, HRAS) (41% of patients); chromosomal‐instability (arm‐level deletions of 19p and q, focal‐deletion of DNA‐repair pathway genes and NOTCH1, amplification of EGFR) (77%), and increased APOBEC‐activity (23%) are also observed. These additional alterations were present singly (18% of patients) or in combination (68%). Some of these alterations likely impact immune‐dynamics of the evolving transformed tissue; progression to malignancy is associated with immune suppression through infiltration of regulatory T‐cells (56%), depletion of cytotoxic T‐cells (68%), and antigen‐presenting dendritic cells (72%), with a concomitant increase in inflammation (92%). Patients can be grouped into three clusters by the estimated time to development of cancer from precancer by acquiring additional mutations (range: 4–10 years). Our findings provide deep molecular insights into the evolutionary processes and trajectories of oral cancer initiation and progression. © 2022 The Authors. The Journal of Pathology published by John Wiley & Sons Ltd on behalf of The Pathological Society of Great Britain and Ireland.
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Affiliation(s)
- Arnab Ghosh
- National Institute of Biomedical Genomics, Kalyani, India
| | | | - Sandip Ghose
- Dr. R. Ahmed Dental College and Hospital, Kolkata, India
| | - Arindam Maitra
- National Institute of Biomedical Genomics, Kalyani, India
| | - Bidyut Roy
- Indian Statistical Institute, Kolkata, India
| | - Partha P Majumder
- National Institute of Biomedical Genomics, Kalyani, India.,Indian Statistical Institute, Kolkata, India
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13
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Wang G, Zhang X, Cheng W, Mo Y, Chen J, Cao Z, Chen X, Cui H, Liu S, Huang L, Liu M, Ma L, Ma NF. CHD1L prevents lipopolysaccharide-induced hepatocellular carcinomar cell death by activating hnRNP A2/B1-nmMYLK axis. Cell Death Dis 2021; 12:891. [PMID: 34588420 PMCID: PMC8481269 DOI: 10.1038/s41419-021-04167-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Revised: 08/16/2021] [Accepted: 09/08/2021] [Indexed: 02/08/2023]
Abstract
Chromodomain helicase/ATPase DNA-binding protein 1-like gene (CHD1L) has been characterized to be a driver gene in hepatocellular carcinoma (HCC). However, the intrinsic connections between CHD1L and intestinal dysbacteriosis-related inflammation reaction in HCC progression remain incompletely understood. In this study, a specific correlation between CHD1L and nonmuscle isoform of myosin light chain kinase (nmMLCK/nmMYLK), a newly identified molecule associated NF-κB signaling transduction, was disclosed in HCC. CHD1L promotes nmMYLK expression and prevents lipopolysaccharide (LPS) induced tumor cell death. In vitro experiment demonstrated that overexpressed nmMYLK is essential for CHD1L to maintain HCC cell alive, while knocking down nmMYLK significantly attenuate the oncogenic roles of CHD1L. Mechanism analysis revealed that nmMYLK can prevent Caspase-8 from combining with MyD88, an important linker of TLRs signaling pathway, while, knocking down nmMYLK facilitate the MyD88 combines with Caspase-8 and lead to the proteolytic cascade of Caspase as well as the consequent cell apoptosis. Mechanism analysis showed that CHD1L promotes the nmMYLK expression potentially through upregulating the heterogeneous nuclear ribonucleoproteins A2/B1 (hnRNP A2/B1) expression, which can bind to myosin light chain kinase (MYLK) pre-mRNA and lead to the regnant translation of nmMYLK. In summary, this work characterizes a previously unknown role of CHD1L in preventing LPS-induced tumor cell death through activating hnRNP A2/B1-nmMYLK axis. Further inhibition of CHD1L and its downstream signaling could be a novel promising strategy in HCC treatment.
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Affiliation(s)
- Guangliang Wang
- Affiliated Cancer Hospital and Institute, Guangzhou Medical University, Guangzhou, China
- Department of Histology and Embryology, Faculty of Basic Medical Sciences, Guilin Medical University, Guilin, Guangxi, China
| | - Xiaofeng Zhang
- Affiliated Cancer Hospital and Institute, Guangzhou Medical University, Guangzhou, China
| | - Wei Cheng
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Protein Modification and Degradation, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, China
| | - Yanxuan Mo
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Protein Modification and Degradation, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, China
| | - Juan Chen
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Protein Modification and Degradation, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, China
| | - Zhiming Cao
- Affiliated Cancer Hospital and Institute, Guangzhou Medical University, Guangzhou, China
| | - Xiaogang Chen
- Affiliated Cancer Hospital and Institute, Guangzhou Medical University, Guangzhou, China
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Protein Modification and Degradation, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, China
| | - Huiqin Cui
- Affiliated Cancer Hospital and Institute, Guangzhou Medical University, Guangzhou, China
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Protein Modification and Degradation, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, China
| | - Shanshan Liu
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Protein Modification and Degradation, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, China
| | - Li Huang
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Protein Modification and Degradation, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, China
| | - Ming Liu
- Affiliated Cancer Hospital and Institute, Guangzhou Medical University, Guangzhou, China
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Protein Modification and Degradation, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, China
| | - Lei Ma
- Affiliated Cancer Hospital and Institute, Guangzhou Medical University, Guangzhou, China
| | - Ning-Fang Ma
- Affiliated Cancer Hospital and Institute, Guangzhou Medical University, Guangzhou, China.
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Protein Modification and Degradation, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, China.
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14
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Non-apoptotic function of caspase-8 confers prostate cancer enzalutamide resistance via NF-κB activation. Cell Death Dis 2021; 12:833. [PMID: 34482382 PMCID: PMC8418603 DOI: 10.1038/s41419-021-04126-4] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Revised: 08/01/2021] [Accepted: 08/20/2021] [Indexed: 12/13/2022]
Abstract
Caspase-8 is a unique member of caspases with a dual role in cell death and survival. Caspase-8 expression is often lost in some tumors, but increased in others, indicating a potential pro-survival function in cancer. By analyzing transcriptome of enzalutamide-resistant prostate cancer cells, we found that resistance was conferred by a mild caspase-8 upregulation that in turn led to NF-κB activation and the subsequent upregulation of the downstream IL-8. Mechanistically, we found that the pro-survival and enzalutamide-resistance-promoting features of caspase-8 were independent of its proteolytic activity, using a catalytically-inactive caspase-8 mutant. We further demonstrated that caspase-8 pro-apoptotic function was inhibited via cFLIP binding. Moreover, high caspase-8 expression was correlated with a worse prognosis in prostate cancer patients. Collectively, our work demonstrates that enzalutamide-resistance is mediated by caspase-8 upregulation and the consequent increase in NF-κB/IL-8 mediated survival signaling, highlighting caspase-8 and NF-κB as potential therapeutic targets to overcome enzalutamide-resistance in CRPC.
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15
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Xiang Y, Peng F, Guo Y, Ge H, Cai S, Fan L, Peng Y, Wen H, Wang Q, Tao L. Connexin32 activates necroptosis through Src-mediated inhibition of caspase 8 in hepatocellular carcinoma. Cancer Sci 2021; 112:3507-3519. [PMID: 34050696 PMCID: PMC8409421 DOI: 10.1111/cas.14994] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2021] [Revised: 05/19/2021] [Accepted: 05/25/2021] [Indexed: 12/28/2022] Open
Abstract
Necroptosis is an alternative form of programmed cell death that generally occurs under apoptosis-deficient conditions. Our previous work showed that connexin32 (Cx32) promotes the malignant progress of hepatocellular carcinoma (HCC) by enhancing the ability of resisting apoptosis in vivo and in vitro. Whether triggering necroptosis is a promising strategy to eliminate the apoptosis-resistant HCC cells with high Cx32 expression remains unknown. In this study, we found that Cx32 expression was positively correlated with the expression of necroptosis protein biomarkers in human HCC specimens, cell lines, and a xenograft model. Treatment with shikonin, a well-used necroptosis inducer, markedly caused necroptosis in HCC cells. Interestingly, overexpressed Cx32 exacerbated shikonin-induced necroptosis, but downregulation of Cx32 alleviated necroptosis in vitro and in vivo. Mechanistically, Cx32 was found to bind to Src and promote Src-mediated caspase 8 phosphorylation and inactivation, which ultimately reduced the activated caspase 8-mediated proteolysis of receptor-interacting serine-threonine protein kinase 1/3, the key molecule for necroptosis activation. In conclusion, we showed that Cx32 contributed to the activation of necroptosis in HCC cells through binding to Src and then mediating the inactivation of caspase 8. The present study suggested that necroptosis inducers could be more favorable than apoptosis inducers to eliminate HCC cells with high expression of Cx32.
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Affiliation(s)
- Yu‐ke Xiang
- Department of Pharmacology, Zhongshan School of MedicineSun Yat‐Sen UniversityGuangzhouChina
- Key Laboratory of Molecular Target & Clinical Pharmacology, School of Pharmaceutical Sciences & The Fifth Affiliated HospitalGuangzhou Medical UniversityGuangzhouChina
| | - Fu‐hua Peng
- Department of Pharmacology, Zhongshan School of MedicineSun Yat‐Sen UniversityGuangzhouChina
| | - Yun‐quan Guo
- State Key Laboratory of Pathogenesis, Prevention and Treatment of High Incidence Diseases in Central AsiaThe First Affiliated Hospital of Xinjiang Medical UniversityUrumqiPR China
| | - Hui Ge
- State Key Laboratory of Pathogenesis, Prevention and Treatment of High Incidence Diseases in Central AsiaThe First Affiliated Hospital of Xinjiang Medical UniversityUrumqiPR China
| | - Shao‐yi Cai
- Department of Pharmacology, Zhongshan School of MedicineSun Yat‐Sen UniversityGuangzhouChina
| | - Li‐xia Fan
- Department of Pharmacology, Zhongshan School of MedicineSun Yat‐Sen UniversityGuangzhouChina
| | - Yue‐xia Peng
- Department of Pharmacology, Zhongshan School of MedicineSun Yat‐Sen UniversityGuangzhouChina
| | - Hao Wen
- State Key Laboratory of Pathogenesis, Prevention and Treatment of High Incidence Diseases in Central AsiaThe First Affiliated Hospital of Xinjiang Medical UniversityUrumqiPR China
| | - Qin Wang
- Department of Pharmacology, Zhongshan School of MedicineSun Yat‐Sen UniversityGuangzhouChina
| | - Liang Tao
- Department of Pharmacology, Zhongshan School of MedicineSun Yat‐Sen UniversityGuangzhouChina
- State Key Laboratory of Pathogenesis, Prevention and Treatment of High Incidence Diseases in Central AsiaThe First Affiliated Hospital of Xinjiang Medical UniversityUrumqiPR China
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16
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Mnich K, Koryga I, Pakos-Zebrucka K, Thomas M, Logue SE, Eriksson LA, Gorman AM, Samali A. The stressosome, a caspase-8-activating signalling complex assembled in response to cell stress in an ATG5-mediated manner. J Cell Mol Med 2021; 25:8809-8820. [PMID: 34363313 PMCID: PMC8435408 DOI: 10.1111/jcmm.16840] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2021] [Revised: 07/20/2021] [Accepted: 07/22/2021] [Indexed: 11/29/2022] Open
Abstract
Stress-induced apoptosis is mediated primarily through the intrinsic pathway that involves caspase-9. We previously reported that in caspase-9-deficient cells, a protein complex containing ATG5 and Fas-associated death domain (FADD) facilitated caspase-8 activation and cell death in response to endoplasmic reticulum (ER) stress. Here, we investigated whether this complex could be activated by other forms of cell stress. We show that diverse stress stimuli, including etoposide, brefeldin A and paclitaxel, as well as heat stress and gamma-irradiation, caused formation of a complex containing ATG5-ATG12, FADD and caspase-8 leading to activation of downstream caspases in caspase-9-deficient cells. We termed this complex the 'stressosome'. However, in these cells, only ER stress and heat shock led to stressosome-dependent cell death. Using in silico molecular modelling, we propose the structure of the stressosome complex, with FADD acting as an adaptor protein, interacting with pro-caspase-8 through their respective death effector domains (DEDs) and interacting with ATG5-ATG12 through its death domain (DD). This suggests that the complex could be regulated by cellular FADD-like interleukin-1β-converting enzyme-inhibitory protein (cFLIPL ), which was confirmed experimentally. This study provides strong evidence for an alternative mechanism of caspase-8 activation involving the stressosome complex.
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Affiliation(s)
- Katarzyna Mnich
- Apoptosis Research Centre, NUI Galway, Galway, Ireland.,School of Natural Sciences, NUI Galway, Galway, Ireland.,CÚRAM SFI Research Centre for Medical Devices, NUI Galway, Galway, Ireland
| | - Izabela Koryga
- Apoptosis Research Centre, NUI Galway, Galway, Ireland.,School of Natural Sciences, NUI Galway, Galway, Ireland.,CÚRAM SFI Research Centre for Medical Devices, NUI Galway, Galway, Ireland
| | - Karolina Pakos-Zebrucka
- Apoptosis Research Centre, NUI Galway, Galway, Ireland.,School of Natural Sciences, NUI Galway, Galway, Ireland.,CÚRAM SFI Research Centre for Medical Devices, NUI Galway, Galway, Ireland
| | - Melissa Thomas
- Department of Chemistry and Molecular Biology, University of Gothenburg, Göteborg, Sweden
| | - Susan E Logue
- Apoptosis Research Centre, NUI Galway, Galway, Ireland.,School of Natural Sciences, NUI Galway, Galway, Ireland.,Department of Human Anatomy and Cell Science, Rady Faculty of Health Sciences, Max Rady College of Medicine, University of Manitoba, Winnipeg, MB, Canada.,Research Institute in Oncology and Hematology, Cancer Care Manitoba, Winnipeg, MB, Canada
| | - Leif A Eriksson
- Department of Chemistry and Molecular Biology, University of Gothenburg, Göteborg, Sweden
| | - Adrienne M Gorman
- Apoptosis Research Centre, NUI Galway, Galway, Ireland.,School of Natural Sciences, NUI Galway, Galway, Ireland.,CÚRAM SFI Research Centre for Medical Devices, NUI Galway, Galway, Ireland
| | - Afshin Samali
- Apoptosis Research Centre, NUI Galway, Galway, Ireland.,School of Natural Sciences, NUI Galway, Galway, Ireland.,CÚRAM SFI Research Centre for Medical Devices, NUI Galway, Galway, Ireland
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17
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Guo Y, Xiao Y, Guo H, Zhu H, Chen D, Wang J, Deng J, Lan J, Liu X, Zhang Q, Bai Y. The anti-dysenteric drug fraxetin enhances anti-tumor efficacy of gemcitabine and suppresses pancreatic cancer development by antagonizing STAT3 activation. Aging (Albany NY) 2021; 13:18545-18563. [PMID: 34320467 PMCID: PMC8351699 DOI: 10.18632/aging.203301] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Accepted: 06/01/2021] [Indexed: 12/11/2022]
Abstract
Fraxetin, a natural product isolated and purified from the bark of Fraxinus bungeana A.DC., has anti-inflammatory, analgesic, and anti-dysenteric activities. This study aimed to investigate the anti-tumor effects of fraxetin in pancreatic ductal adenocarcinoma (PDA). The effects of fraxetin on the malignant biological behavior of PDA were evaluated. Besides, the effects of fraxetin on the sensitivity of PCCs to gemcitabine, angiogenesis, the epithelial-mesenchymal transition (EMT), glucose metabolism, reactive oxygen species (ROS), and STAT3 activity were analyzed. By reversing the EMT, fraxetin suppressed proliferation, invasion, and migration, and induced mitochondrial-dependent apoptosis in PCCs. Also, treatment with fraxetin inhibited PDA growth and metastasis in nude mouse models. Furthermore, fraxetin made PCCs more sensitive to the chemotherapy drug gemcitabine. Mechanically, fraxetin treatment suppressed oncogenic KRAS-triggered STAT3 activation in PCCs and PDA tissues. Fraxetin shows significant interactions with STAT3 Src Homology 2 (SH2) domain residues, thereby preventing its homo-dimer formation, which then blocks the activation of downstream signal pathways. The anti-tumor activity of fraxetin in PDA was functionally rescued by a STAT3 activator colivelin. As a result, fraxetin hindered hypoxia-induced angiogenesis by decreasing HIF-1α and VEGFA expression, controlled glucose metabolism by reducing GLUT1 expression, inhibited the EMT by blocking the Slug-E-cadherin axis, and drove ROS-mediated apoptosis by regulating the STAT3-Ref1 axis. In conclusion, fraxetin enhances the anti-tumor activity of gemcitabine and suppresses pancreatic cancer development by antagonizing STAT3 activation.
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Affiliation(s)
- Yangyang Guo
- Key Laboratory of Diagnosis and Treatment of Severe Hepato-Pancreatic Diseases of Zhejiang Province, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325000, China
| | - Yanyi Xiao
- Key Laboratory of Diagnosis and Treatment of Severe Hepato-Pancreatic Diseases of Zhejiang Province, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325000, China
| | - Hangcheng Guo
- Key Laboratory of Diagnosis and Treatment of Severe Hepato-Pancreatic Diseases of Zhejiang Province, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325000, China
| | - Hengyue Zhu
- Key Laboratory of Diagnosis and Treatment of Severe Hepato-Pancreatic Diseases of Zhejiang Province, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325000, China
| | - Dong Chen
- The Sixth People’s Hospital of Wenzhou City, Wenzhou 325000, China
| | - Jilong Wang
- Engineering Research Center of Clinical Functional Materials and Diagnosis and Treatment Devices of Zhejiang Province, Wenzhou Institute, University of Chinese Academy Sciences, Wenzhou 325000, China
| | - Junjie Deng
- Engineering Research Center of Clinical Functional Materials and Diagnosis and Treatment Devices of Zhejiang Province, Wenzhou Institute, University of Chinese Academy Sciences, Wenzhou 325000, China
| | - Junjie Lan
- State Key Laboratory of Cellular Stress Biology, Innovation Center for Cell Signaling Network, School of Life Sciences, Xiamen University, Xiamen 361000, China
| | - Xiaodong Liu
- Platform for Radiation Protection and Emergency Preparedness, School of Public Health and Management, Wenzhou Medical University, Wenzhou 325000, China
- Center for Health Assessment, Wenzhou Medical University, Wenzhou 325000, China
| | - Qiyu Zhang
- Department for Hepatopancreatobiliary Surgery, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325000, China
| | - Yongheng Bai
- Key Laboratory of Diagnosis and Treatment of Severe Hepato-Pancreatic Diseases of Zhejiang Province, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325000, China
- Platform for Radiation Protection and Emergency Preparedness, School of Public Health and Management, Wenzhou Medical University, Wenzhou 325000, China
- Department for Hepatopancreatobiliary Surgery, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325000, China
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18
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Song C, Shi D, Chang K, Li X, Dong Q, Ma X, Wang X, Guo Z, Liu Y, Wang J. Sodium fluoride activates the extrinsic apoptosis via regulating NOX4/ROS-mediated p53/DR5 signaling pathway in lung cells both in vitro and in vivo. Free Radic Biol Med 2021; 169:137-148. [PMID: 33857626 DOI: 10.1016/j.freeradbiomed.2021.04.007] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/16/2021] [Revised: 04/05/2021] [Accepted: 04/07/2021] [Indexed: 01/03/2023]
Abstract
An extensive body of research has demonstrated that pulmonary toxicity induced by fluoride is related to cell apoptosis. Although induction of death receptor-initiated extrinsic apoptosis by sodium fluoride (NaF) has been reported, its mechanism of action is still not clearly defined. Herein, we found that NaF treatment induced activation of caspase-8 in BEAS-2B cells, resulting in apoptosis, which was markedly reduced by blocking caspase-8 using small interfering RNA (siRNA). In this study, we report that death receptor 5 (DR5), a major component of the extrinsic apoptotic pathway, is markedly induced upon NaF stimulation. Enhanced DR5 induction was necessary for the apoptotic effects of NaF, inasmuch as transfected BEAS-2B cells with DR5 siRNA attenuated NaF-induced caspase-8 activation in lung cells. Mechanism investigation indicated that the induction of DR5, following NaF exposure, was mediated by tumor protein 53 (p53)-dependent transcriptional activation. Notably, we demonstrated that NaF could induce a significant increase in intracellular reactive oxygen species (ROS) level derived from nicotinamide adenine dinucleotide phosphate oxidase 4 (NOX4). Specifically, NOX4 knockdown inhibited NaF-induced the activation of p53/DR5 axis by reducing NOX4-derived ROS production. Further in vivo investigation demonstrated that NOX4 deficiency markedly attenuates NaF-induced lung injury, apoptosis, and ROS levels in the lung. Moreover, the expressions of p53 and DR5 were significantly reduced after NaF treatment in NOX4 knockout mice compared with the wild type mice. Taken together, our findings provide a novel insight into for the pulmonary apoptosis in response to NaF exposure.
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Affiliation(s)
- Chao Song
- Zhengzhou Key Laboratory of Animal Nutrition Metabolic and Poisoning Diseases, College of Veterinary Medicine, Henan University of Animal Husbandry and Economy, Zhengzhou, 450000, Henan, China.
| | - Dongmei Shi
- Zhengzhou Key Laboratory of Animal Nutrition Metabolic and Poisoning Diseases, College of Veterinary Medicine, Henan University of Animal Husbandry and Economy, Zhengzhou, 450000, Henan, China
| | - Kaiwen Chang
- Key Laboratory of Medical Molecular Probes, Department of Chemistry, School of Basic Medical Sciences, Xinxiang Medical University, Xinxiang, 453003, Henan, China
| | - Xianghui Li
- College of Veterinary Medicine, Henan University of Animal Husbandry and Economy, Zhengzhou, 450000, Henan, China
| | - Qing Dong
- Zhengzhou Key Laboratory of Animal Nutrition Metabolic and Poisoning Diseases, College of Veterinary Medicine, Henan University of Animal Husbandry and Economy, Zhengzhou, 450000, Henan, China
| | - Xia Ma
- College of Veterinary Medicine, Henan University of Animal Husbandry and Economy, Zhengzhou, 450000, Henan, China
| | - Xuefei Wang
- College of Veterinary Medicine, Henan University of Animal Husbandry and Economy, Zhengzhou, 450000, Henan, China
| | - Zhenhuan Guo
- College of Veterinary Medicine, Henan University of Animal Husbandry and Economy, Zhengzhou, 450000, Henan, China
| | - Yonglu Liu
- College of Veterinary Medicine, Henan University of Animal Husbandry and Economy, Zhengzhou, 450000, Henan, China
| | - Jundong Wang
- Zhengzhou Key Laboratory of Animal Nutrition Metabolic and Poisoning Diseases, College of Veterinary Medicine, Henan University of Animal Husbandry and Economy, Zhengzhou, 450000, Henan, China; Shanxi Key Laboratory of Ecological Animal Science and Environmental Veterinary Medicine, College of Animal Science and Veterinary Medicine, Shanxi Agricultural University, Taigu, 030801, Shanxi, China.
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19
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Soni UK, Chadchan SB, Gupta RK, Kumar V, Kumar Jha R. miRNA-149 targets PARP-2 in endometrial epithelial and stromal cells to regulate the trophoblast attachment process. Mol Hum Reprod 2021; 27:6288493. [PMID: 34051087 DOI: 10.1093/molehr/gaab039] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Revised: 04/26/2021] [Indexed: 11/12/2022] Open
Abstract
Embryo implantation is a highly complex process involving many regulatory factors, including several micro RNAs (miRNAs/miRs). One miRNA present in the stromal cells of normal endometrium is miR-149, which targets poly (ADP-ribose) polymerase 2 (PARP-2), a gene involved in endometrial receptivity for trophoblast implantation. However, the precise role of miR-149 in the endometrial receptivity during blastocyst implantation is still unknown. We studied miR-149-dependent PARP-2 regulation during trophoblast attachment to endometrial epithelial cells. Using FISH, we found that miR-149 is expressed in mouse endometrial epithelial and stromal cells at implantation and inter-implantation sites. Endometrial receptivity for embryo implantation and attachment is inhibited by the upregulation of miR-149 in the endometrium. Our RT-PCR analysis revealed downregulation of miR-149 in the implantation region of the uterus during the receptive stage (Day 5, 0500 h, p.c.) in the mouse. Under in-vitro conditions, miR-149 overexpression in human endometrial epithelial cells (hEECs) abrogated the human trophoblastic cells spheroid and mouse blastocyst attachment. Subsequently, miR-149 also regulates transformed human endometrial stromal cell (T-hESCs) decidualization by downregulating PARP-2 and upregulating caspase-8 proteins. Overexpression of miR-149 in hEECs and downregulated PARP-2 protein expression, reconfirming that PARP-2 is a downstream target of miR-149 in endometrial cells as well. miR-149 is also able to alter the expression of caspase-8, another PARP-2 regulator. In conclusion, our data indicate that miR-149 is one of the regulators of endometrial receptivity and decidualization for trophoblast implantation, and it exerts the effects by acting on the downstream targets PARP-2 and caspase-8.
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Affiliation(s)
- Upendra Kumar Soni
- Female Reproductive Biology Laboratory, Division of Endocrinology, CSIR-Central Drug Research Institute, Lucknow, India
| | - Sangappa Basanna Chadchan
- Female Reproductive Biology Laboratory, Division of Endocrinology, CSIR-Central Drug Research Institute, Lucknow, India
| | - Rakesh Kumar Gupta
- Female Reproductive Biology Laboratory, Division of Endocrinology, CSIR-Central Drug Research Institute, Lucknow, India
| | - Vijay Kumar
- Female Reproductive Biology Laboratory, Division of Endocrinology, CSIR-Central Drug Research Institute, Lucknow, India
| | - Rajesh Kumar Jha
- Female Reproductive Biology Laboratory, Division of Endocrinology, CSIR-Central Drug Research Institute, Lucknow, India.,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, U.P., India
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20
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Lind L, Gigante B, Borné Y, Feldreich T, Leppert J, Hedberg P, Östgren CJ, Nyström FH, Sundström J, Ärnlöv J, Baldassarre D, Tremoli E, Veglia F, Hamsten A, O'Donnell CJ, Franceschini N, Orho-Melander M, Nilsson J, Melander O, Engström G, Mälarstig A. Plasma Protein Profile of Carotid Artery Atherosclerosis and Atherosclerotic Outcomes: Meta-Analyses and Mendelian Randomization Analyses. Arterioscler Thromb Vasc Biol 2021; 41:1777-1788. [PMID: 33657885 DOI: 10.1161/atvbaha.120.315597] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
[Figure: see text].
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Affiliation(s)
- Lars Lind
- Department of Medical Sciences, Uppsala University, Sweden (L.L., J.S.)
| | - Bruna Gigante
- Unit of Cardiovascular Medicine, Department of Medicine, Karolinska Institutet, Sweden (B.G., A.H., A.M.)
| | - Yan Borné
- Department of Clinical Sciences Malmö, Lund University, Sweden (Y.B., M.O.-M., J.N., O.M., G.E.)
| | - Tobias Feldreich
- School of Health and Social Sciences, Dalarna University, Falun, Sweden (T.F., J.A.)
| | - Jerzy Leppert
- Centre for Clinical Research, Uppsala University (J.L., P.H.), Västmanland County Hospital, Västerås, Sweden
| | - Pär Hedberg
- Centre for Clinical Research, Uppsala University (J.L., P.H.), Västmanland County Hospital, Västerås, Sweden.,Department of Clinical Physiology (P.H.), Västmanland County Hospital, Västerås, Sweden
| | - Carl Johan Östgren
- Department of Health, Medicine and Caring Sciences, Linköping University, Sweden (C.J.O., F.H.N.).,Department of Medicine, Boston University, MA (C.J.O.)
| | - Fredrik H Nyström
- Department of Health, Medicine and Caring Sciences, Linköping University, Sweden (C.J.O., F.H.N.)
| | - Johan Sundström
- Department of Medical Sciences, Uppsala University, Sweden (L.L., J.S.).,The George Institute for Global Health, University of New South Wales, Sydney, Australia (J.S.)
| | - Johan Ärnlöv
- School of Health and Social Sciences, Dalarna University, Falun, Sweden (T.F., J.A.)
| | - Damiano Baldassarre
- Damiano Baldassarre, Department of Medical Biotechnology and Translational Medicine, Università di Milano (D.B.).,Centro Cardiologico Monzino, IRCCS, Milan, Italy (D.B., E.T., F.V.)
| | - Elena Tremoli
- Centro Cardiologico Monzino, IRCCS, Milan, Italy (D.B., E.T., F.V.)
| | - Fabrizio Veglia
- Centro Cardiologico Monzino, IRCCS, Milan, Italy (D.B., E.T., F.V.)
| | - Anders Hamsten
- Unit of Cardiovascular Medicine, Department of Medicine, Karolinska Institutet, Sweden (B.G., A.H., A.M.)
| | - Christopher J O'Donnell
- Department of Health, Medicine and Caring Sciences, Linköping University, Sweden (C.J.O., F.H.N.).,Department of Medicine, Boston University, MA (C.J.O.)
| | - Nora Franceschini
- Department of Epidemiology, University of North Caroline, Capel Hill (N.F.)
| | - Marju Orho-Melander
- Department of Clinical Sciences Malmö, Lund University, Sweden (Y.B., M.O.-M., J.N., O.M., G.E.)
| | - Jan Nilsson
- Department of Clinical Sciences Malmö, Lund University, Sweden (Y.B., M.O.-M., J.N., O.M., G.E.)
| | - Olle Melander
- Department of Clinical Sciences Malmö, Lund University, Sweden (Y.B., M.O.-M., J.N., O.M., G.E.)
| | - Gunnar Engström
- Department of Clinical Sciences Malmö, Lund University, Sweden (Y.B., M.O.-M., J.N., O.M., G.E.)
| | - Anders Mälarstig
- Unit of Cardiovascular Medicine, Department of Medicine, Karolinska Institutet, Sweden (B.G., A.H., A.M.)
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21
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Novikov NM, Zolotaryova SY, Gautreau AM, Denisov EV. Mutational drivers of cancer cell migration and invasion. Br J Cancer 2021; 124:102-114. [PMID: 33204027 PMCID: PMC7784720 DOI: 10.1038/s41416-020-01149-0] [Citation(s) in RCA: 106] [Impact Index Per Article: 35.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2020] [Revised: 10/13/2020] [Accepted: 10/15/2020] [Indexed: 02/06/2023] Open
Abstract
Genomic instability and mutations underlie the hallmarks of cancer-genetic alterations determine cancer cell fate by affecting cell proliferation, apoptosis and immune response, and increasing data show that mutations are involved in metastasis, a crucial event in cancer progression and a life-threatening problem in cancer patients. Invasion is the first step in the metastatic cascade, when tumour cells acquire the ability to move, penetrate into the surrounding tissue and enter lymphatic and blood vessels in order to disseminate. A role for genetic alterations in invasion is not universally accepted, with sceptics arguing that cellular motility is related only to external factors such as hypoxia, chemoattractants and the rigidity of the extracellular matrix. However, increasing evidence shows that mutations might trigger and accelerate the migration and invasion of different types of cancer cells. In this review, we summarise data from published literature on the effect of chromosomal instability and genetic mutations on cancer cell migration and invasion.
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Affiliation(s)
- Nikita M Novikov
- Laboratory of Cancer Progression Biology, Cancer Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences, Tomsk, Russia
| | - Sofia Y Zolotaryova
- Laboratory of Cancer Progression Biology, Cancer Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences, Tomsk, Russia
| | - Alexis M Gautreau
- CNRS UMR7654, Ecole Polytechnique, Institut Polytechnique de Paris, Palaiseau, France
- School of Biological and Medical Physics, Moscow Institute of Physics and Technology, Dolgoprudny, Russia
| | - Evgeny V Denisov
- Laboratory of Cancer Progression Biology, Cancer Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences, Tomsk, Russia.
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22
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Zhang JX, Xu QY, Yang Y, Li N, Zhang Y, Deng LH, Zhu QX, Shen T. Kupffer cell inactivation ameliorates immune liver injury via TNF-α/TNFR1 signal pathway in trichloroethylene sensitized mice. Immunopharmacol Immunotoxicol 2020; 42:545-555. [PMID: 32811237 DOI: 10.1080/08923973.2020.1811306] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
METHODS 36 female BALB/c mice were selected and randomly divided the mice into four groups. We established a BALB/c mouse model of TCE sensitization and pretreatment with GdCl3 (40 mg/kg) by intraperitoneal injection during the during the 17th and 19th days. RESULTS We found F4/80, the marker of Kupffer cell, was increased in TCE positive group. GdCl3 treatment successfully blocked the activation of Kupffer cell. TNF-α was increased significantly in liver of TCE sensitized mice and decreased significantly when low-dose GdCl3 was used. We found TNF receptor 1 (TNFR1) was increased significantly and GdCl3 treatment resumed the expression of TNFR1 to normal level, as well as the F4/80, TNF-α and TNFR1 mRNA. We also found both caspase-8 and caspase-3 increased in TCE positive group and decreased in TCE + GdCl3 positive group. The number of apoptotic cells in TCE sensitized mice increased by TUNEL staining, and GdCl3 treatment alleviated this increase. Some cells showed edema and inflammatory cell aggregation in liver of TCE positive group, while in the TCE + GdCl3 positive group, the cytoplasm became loose and vacuole-like degeneration occurred. CONCLUSION Our study unveils cross-talk between Kupffer cell activation and TNFR1 which mediate apoptosis in liver of TCE sensitized mice.
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Affiliation(s)
- Jia-Xiang Zhang
- Department of Occupational Health and Environment Health, School of Public Health, Anhui Medical University, Hefei, Anhui, PR China.,Ministry of Education, Key Laboratory of Dermatology, Anhui Medical University, Hefei, Anhui, China
| | - Qiong-Ying Xu
- Department of Occupational Health and Environment Health, School of Public Health, Anhui Medical University, Hefei, Anhui, PR China
| | - Yi Yang
- Department of Occupational Health and Environment Health, School of Public Health, Anhui Medical University, Hefei, Anhui, PR China
| | - Na Li
- Department of Occupational Health and Environment Health, School of Public Health, Anhui Medical University, Hefei, Anhui, PR China
| | - Yan Zhang
- Department of Occupational Health and Environment Health, School of Public Health, Anhui Medical University, Hefei, Anhui, PR China
| | - Li-Hua Deng
- Shenzhen Prevention and Treatment Center for Occupational Disease, Shenzhen, Guangdong, PR China
| | - Qi-Xing Zhu
- Ministry of Education, Key Laboratory of Dermatology, Anhui Medical University, Hefei, Anhui, China.,Department of Dermatology, The First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, PR China
| | - Tong Shen
- Department of Occupational Health and Environment Health, School of Public Health, Anhui Medical University, Hefei, Anhui, PR China.,Ministry of Education, Key Laboratory of Dermatology, Anhui Medical University, Hefei, Anhui, China
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23
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Bunsueb S, Tangsrisakda N, Wu ATH, Iamsaard S. Localization (and profiles) of tyrosinephosphorylated proteins in female reproductive organs of adult rats. Clin Exp Reprod Med 2020; 47:180-185. [PMID: 32911588 PMCID: PMC7482952 DOI: 10.5653/cerm.2020.03573] [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: 02/05/2020] [Accepted: 04/01/2020] [Indexed: 11/06/2022] Open
Abstract
Objective Tyrosine phosphorylation is an essential process in many biological systems, including the male reproductive system. The presence of tyrosine-phosphorylated (TyrPho) proteins has been well documented in male reproductive organs, but research in fertile females is still limited. Methods The ovary, oviduct, and uterus of adult female Sprague-Dawley rats in the estrus phase were used to localize TyrPho proteins using an immunohistochemical technique. These proteins were separated and their expression patterns were examined by sodium dodecyl sulfatepolyacrylamide gel electrophoresis and Western blot analysis, respectively. Results TyrPho proteins were localized in the cytoplasm of the oocyte except the antral fluid; in the granulosa cells, theca cells, and stromal cells of the ovary; at the apical surface of oviductal epithelial cells; and in the basal epithelium and submucosa of the uterine wall. Moreover, we found that 72-, 43-, and 28-kDa TyrPho proteins were localized in the ovary, while 170-, 55-, and 43-kDa proteins were localized in the oviduct. In the uterus, we detected four major bands, corresponding to 61-, 55-, 54-, and 43-kDa TyrPho proteins. Conclusion Given that these TyrPho proteins were found in major reproductive organs in the estrus phase, these proteins may play important roles in female fertility.
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Affiliation(s)
- Sudtida Bunsueb
- Department of Anatomy, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
| | - Nareelak Tangsrisakda
- Department of Anatomy, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand.,Research Institute for Human High Performance and Health Promotion (HHP & HP), Khon Kaen University, Khon Kaen, Thailand
| | - Alexander T H Wu
- PhD Program for Translational Medicine, College of Medical Science and Technology, Taipei Medical University and Academia Sinica, Taipei, Taiwan.,Graduate Institute of Medical Sciences, National Defense Medical Center, Taipei, Taiwan
| | - Sitthichai Iamsaard
- Department of Anatomy, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand.,Research Institute for Human High Performance and Health Promotion (HHP & HP), Khon Kaen University, Khon Kaen, Thailand
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24
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Sun H, Zong H, Wu G. 2‑Hydroxypropyl‑β‑cyclodextrin blocks autophagy flux and triggers caspase‑8‑mediated apoptotic cascades in HepG2 cells. Mol Med Rep 2020; 22:1901-1909. [PMID: 32705246 PMCID: PMC7413020 DOI: 10.3892/mmr.2020.11282] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2019] [Accepted: 04/15/2020] [Indexed: 01/07/2023] Open
Abstract
The cyclodextrin derivative, 2‑Hydroxypropyl-β‑cyclodextrin (HPβCD), from the cyclodextrin family is widely used as a drug carrier and offers promising strategies for treating neurodegenerative diseases and atherosclerosis regression. However, its side effects are not fully understood. Therefore, the aim of the present study was to investigate the possible adverse effects of relatively high concentrations of HPβCD on hepatocytes. It was found that a high dose (20 mM) of HPβCD treatment significantly inhibited the AKT/mTOR pathway and disrupted infusion of autophagosomes and lysosomes, which rapidly led to massive autophagosome accumulation in HepG2 cells. The autophagosomal membrane serves as a platform for caspase‑8 oligomerization, which is considered as the key step for its self‑activation. Using flow cytometry and TUNEL assay, increased apoptosis of HepG2 cells treated with a high dose HPβCD (20 mM) for 48 h was observed. In addition, western blotting results demonstrated that the expression of cleaved‑caspase‑8 was positively associated with microtubule‑associated protein 1 light chain 3 BII expression, which is an indicator of autophagosome level in the cytoplasm. Therefore, the present study provided novel evidence that HPβCD might be a potential risk contributing to the pathophysiological process of hepatic diseases, especially in an autophagy‑deficient state.
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Affiliation(s)
- Haidong Sun
- Department of General Surgery, Huashan Hospital, Fudan University, Shanghai 200040, P.R. China
| | - Huajie Zong
- Department of General Surgery, Huashan Hospital, Fudan University, Shanghai 200040, P.R. China,Correspondence to: Dr Huajie Zong or Professor Gang Wu, Department of General Surgery, Huashan Hospital, Fudan University, 12 Wulumuqi Road, Shanghai 200040, P.R. China, E-mail: , E-mail:
| | - Gang Wu
- Department of General Surgery, Huashan Hospital, Fudan University, Shanghai 200040, P.R. China,Correspondence to: Dr Huajie Zong or Professor Gang Wu, Department of General Surgery, Huashan Hospital, Fudan University, 12 Wulumuqi Road, Shanghai 200040, P.R. China, E-mail: , E-mail:
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25
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Liu Y, Zhu M, Gong R, Wang X, Li L, Xu G. Pre-treatment With Ranibizumab Aggravates PDT Injury and Alleviates Inflammatory Response in Choroid-Retinal Endothelial Cells. Front Cell Dev Biol 2020; 8:608. [PMID: 32733897 PMCID: PMC7363772 DOI: 10.3389/fcell.2020.00608] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2020] [Accepted: 06/19/2020] [Indexed: 11/25/2022] Open
Abstract
Polypoidal choroidal vasculopathy (PCV) is the predominant subtype of exudative age-related macular degeneration in Asians. Although photodynamic therapy (PDT) is widely used for PCV treatment, its long-term beneficial effects are unsatisfactory. Accumulating clinical investigations suggest that combined therapy with anti-vascular endothelial growth factor (anti-VEGF) and PDT is superior to PDT monotherapy. However, the optimal time of anti-VEGF before or after PDT remains controversial, hence it needs to further explore the mechanism underlying combined therapy. PDT causes selective damage to endothelial cells, which determines its angio-occlusive efficiency, yet the impact of anti-VEGF on PDT-induced endothelial injury is unclear. Here, we found that pre- compared to post-treatment with anti-VEGF ranibizumab (rani) significantly aggravates PDT injury in the rhesus macaque choroid-retinal endothelial (RF/6A) cell line. PDT activates apoptosis, necroptosis and NLRP3 inflammasome in RF/6A cells. Pre-treatment with rani promotes PDT-caused apoptosis via triggering caspase 8-mediated extrinsic apoptosis, and caspase 8 might also play a pivotal role in the rani’s function of suppressing PDT-induced necroptosis and NLRP3 inflammasome activation. Our results implicate that pre-treatment with rani may enhance the angio-occlusive efficiency of PDT and alleviate endothelial inflammatory response, which gives it a great advantage over post-treatment.
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Affiliation(s)
- Yang Liu
- Shanghai Key Laboratory of Visual Impairment and Restoration, Eye & ENT Hospital, Fudan University, Shanghai, China.,NHC Key Laboratory of Myopia (Fudan University), Key Laboratory of Myopia, Chinese Academy of Medical Sciences, Shanghai, China
| | - Min Zhu
- Shanghai Key Laboratory of Visual Impairment and Restoration, Eye & ENT Hospital, Fudan University, Shanghai, China.,NHC Key Laboratory of Myopia (Fudan University), Key Laboratory of Myopia, Chinese Academy of Medical Sciences, Shanghai, China
| | - Ruowen Gong
- Shanghai Key Laboratory of Visual Impairment and Restoration, Eye & ENT Hospital, Fudan University, Shanghai, China.,NHC Key Laboratory of Myopia (Fudan University), Key Laboratory of Myopia, Chinese Academy of Medical Sciences, Shanghai, China
| | - Xin Wang
- Shanghai Key Laboratory of Visual Impairment and Restoration, Eye & ENT Hospital, Fudan University, Shanghai, China.,NHC Key Laboratory of Myopia (Fudan University), Key Laboratory of Myopia, Chinese Academy of Medical Sciences, Shanghai, China
| | - Lei Li
- Shanghai Key Laboratory of Visual Impairment and Restoration, Eye & ENT Hospital, Fudan University, Shanghai, China.,NHC Key Laboratory of Myopia (Fudan University), Key Laboratory of Myopia, Chinese Academy of Medical Sciences, Shanghai, China
| | - Gezhi Xu
- Shanghai Key Laboratory of Visual Impairment and Restoration, Eye & ENT Hospital, Fudan University, Shanghai, China.,NHC Key Laboratory of Myopia (Fudan University), Key Laboratory of Myopia, Chinese Academy of Medical Sciences, Shanghai, China
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26
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Liu F, Pan Q, Wang L, Yi S, Liu P, Huang W. Anticancer targets and mechanisms of calycosin to treat nasopharyngeal carcinoma. Biofactors 2020; 46:675-684. [PMID: 32449282 DOI: 10.1002/biof.1639] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/06/2020] [Revised: 04/19/2020] [Accepted: 04/28/2020] [Indexed: 12/17/2022]
Abstract
Calycosin is a naturally occurring phytoestrogen, and it has the anti-nasopharyngeal carcinoma (NPC) action played by calycosin. However, the elaborate mechanisms of calycosin treating NPC remain to be unrevealed. In current report, a promising tool of network pharmacology method was used to uncover the anti-NPC targets and therapeutic mechanisms played by calycosin. Furthermore, were conducted to validate the bioinformatic findings in human and preclinical studies. As results, the bioinformatic findings showed the core anti-NPC targets played by calycosin included tumor protein p53 (TP53), mitogen-activated protein kinase 14 (MAPK14), caspase 8 (CASP8), mitogen-activated protein kinase 3 (MAPK3), caspase 3 (CASP3), receptor interacting protein kinase 1 (RIPK1), proto-oncogene c (JUN), and estrogen receptor 1 (ESR1). Concurrently, the top 20 biological processes and top 20 pharmacological pathways of calycosin treating NPC were identified and illustrated. In clinical data, NPC samples showed up-regulated expression of MAPK14, reduced TP53, and CASP8 expressions in comparison with those in non-NPC controls. As revealed in experimental data, calycosin-treated NPC cells resulted in reduced cell survival rate, increased cell apoptosis. In apoptosis-specific staining, calycosin-treated NPC cells exhibited elevated apoptotic cell number. Following the immunostaining assays, the results indicated increased TP53-, CASP8-positive cells, and reduced MAPK14-positive cells in calycosin-treated NPC cells and xenograft tumor sections. Altogether, the bioinformatic findings from network pharmacology reveal all core targets and mechanisms of calycosin treating NPC, and some of bioinformatic findings are identified using human and preclinical experiments. Notably, the screened biotargets may be potentially used to clinically treat NPC.
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Affiliation(s)
- Fangxian Liu
- Department of Otolaryngology Head and Neck Surgery, The Affiliated Hospital of Guilin Medical University, Guilin, Guangxi, China
| | - Qijin Pan
- Department of Oncology, Guigang City Peoples' Hospital, The Eighth Affiliated Hospital of Guangxi Medical University, Guigang, Guangxi, China
| | - Liangliang Wang
- Department of Otolaryngology Head and Neck Surgery, The Affiliated Hospital of Guilin Medical University, Guilin, Guangxi, China
| | - Shijiang Yi
- Department of Otolaryngology Head and Neck Surgery, The Affiliated Hospital of Guilin Medical University, Guilin, Guangxi, China
| | - Peng Liu
- Department of Otolaryngology Head and Neck Surgery, The Affiliated Hospital of Guilin Medical University, Guilin, Guangxi, China
| | - Wenjun Huang
- Guangxi Key Laboratory of Tumor Immunology and Microenvironmental Regulation, Guilin Medical University, Guilin, Guangxi, China
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27
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Tao R, Wang C, Lu Y, Zhang C, Zhou H, Chen H, Li W. Characterization and Cytotoxicity of Polyprenol Lipid and Vitamin E-TPGS Hybrid Nanoparticles for Betulinic Acid and Low-Substituted Hydroxyl Fullerenol in MHCC97H and L02 Cells. Int J Nanomedicine 2020; 15:2733-2749. [PMID: 32368052 PMCID: PMC7184125 DOI: 10.2147/ijn.s249773] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2020] [Accepted: 04/08/2020] [Indexed: 12/13/2022] Open
Abstract
Background This study demonstrated an innovative formulation including the polyprenol (GBP) lipid and vitamin E-TPGS hybrid nanoparticles (NPs) which was aimed to control the transfer of betulinic acid (BA) and low-substituted hydroxyl fullerenol (C60(OH)n). Additionally, it developed BA-C60(OH)n-GBP-TPGS-NPs delivery system and researched the anti-hepatocellular carcinoma (HCC) effects. Materials and Methods The NPs were prepared by nanoprecipitation with ultrasonic-assisted emulsification (UAE) method. It was characterized by scanning electronic microscopy (SEM), transmission electron microscopy (TEM), FTIR spectrum, size distribution and zeta potential. Physical and chemical properties were evaluated through measurement of drug release, stability studies, drug loading efficiency (DE) and encapsulation efficiency (EE). Biological activities were evaluated through measurement of MTT assay, lactate dehydrogenase leakage assay (LDH), cell proliferation assays, cell apoptosis analysis, comet assay, wound healing assay, cell invasion and Western blot analysis. Results and Conclusions The NPs exhibited clear distribution characteristics, improved solubility and stability. BA and C60(OH)n for the NPs displayed a biphasic release pattern with sustained drug release properties. The mixture of C60(OH)n with different hydroxyl groups may have a certain effect on the stability of the NPs system itself. The NPs could effectively inhibit MHCC97H cell proliferation, migration and invasion in vitro. Combined use of C60(OH)n and BA in GBP lipids may improve the inhibit effect of C60(OH)n or BA against HCC cells and reduce cytotoxicity and genotoxicity of C60(OH)n for normal cells. We concluded that one of the important mechanisms of BA-C60(OH)n-GBP-TPGS-NPs inhibiting MHCC97H cells is achieved by up-regulating the expression of Caspase-3, Caspase-8 and Caspase-9.
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Affiliation(s)
- Ran Tao
- Institute of Chemical Industry of Forest Products, CAF, Nanjing, Jiangsu Province 210042, People's Republic of China.,Research Institute of Forestry New Technology, CAF, Beijing 100091, People's Republic of China
| | - Chengzhang Wang
- Institute of Chemical Industry of Forest Products, CAF, Nanjing, Jiangsu Province 210042, People's Republic of China.,Research Institute of Forestry New Technology, CAF, Beijing 100091, People's Republic of China
| | - Yin Lu
- General Hospital of Eastern Theater Command, Nanjing, Jiangsu Province 210002, People's Republic of China
| | - Changwei Zhang
- Institute of Chemical Industry of Forest Products, CAF, Nanjing, Jiangsu Province 210042, People's Republic of China
| | - Hao Zhou
- Institute of Chemical Industry of Forest Products, CAF, Nanjing, Jiangsu Province 210042, People's Republic of China.,Research Institute of Forestry New Technology, CAF, Beijing 100091, People's Republic of China
| | - Hongxia Chen
- Institute of Chemical Industry of Forest Products, CAF, Nanjing, Jiangsu Province 210042, People's Republic of China
| | - WenJun Li
- Institute of Chemical Industry of Forest Products, CAF, Nanjing, Jiangsu Province 210042, People's Republic of China
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Zhang Y, Li Z, Kholodkevich S, Sharov A, Feng Y, Ren N, Sun K. Microcystin-LR-induced changes of hepatopancreatic transcriptome, intestinal microbiota, and histopathology of freshwater crayfish (Procambarus clarkii). THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 711:134549. [PMID: 31810700 DOI: 10.1016/j.scitotenv.2019.134549] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/17/2019] [Revised: 08/19/2019] [Accepted: 09/17/2019] [Indexed: 06/10/2023]
Abstract
As a hepatotoxin, microcystin-LR (MC-LR) poses a great threat to aquatic organisms. In this research, the hepatopancreatic transcriptome, intestinal microbiota, and histopathology of Procambarus clarkii (P. clarkii) in response to acute MC-LR exposure were studied. RNA-seq analysis of hepatopancreas identified 372 and 781 differentially expressed genes (DEGs) after treatment with 10 and 40 μg/L MC-LR, respectively. Among the DEGs, 23 genes were immune-related and 21 genes were redox-related. GO functional enrichment analysis revealed that MC-LR could impact nuclear-transcribed mRNA catabolic process, cobalamin- and heme-related processes, and sirohydrochlorin cobaltochelatase activity of P. clarkii. In addition, the only significantly enriched KEGG pathway induced by MC-LR was galactose metabolism pathway. Meanwhile, sequencing of the bacterial 16S rRNA gene demonstrated that MC-LR decreased bacterial richness and diversity, and altered the intestinal microbiota composition. At the phylum level, after 96 h, the abundance of Verrucomicrobia decreased after treatment with 10 and 40 μg/L MC-LR, while Firmicutes increased in the 40 μg/L MC-LR-treated group. At the genus level, the abundances of 15 genera were significantly altered after exposure to MC-LR. Our research demonstrated that MC-LR exposure caused histological alterations such as structural damage of hepatopancreas and intestines. This research provides an insight into the mechanisms associated with MC-LR toxicity in aquatic crustaceans.
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Affiliation(s)
- Yu Zhang
- State Key Lab of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin 150090, China
| | - Zheyu Li
- State Key Lab of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin 150090, China
| | - Sergey Kholodkevich
- Institute of Earth Sciences, Saint-Petersburg State University, Saint-Petersburg 199034, Russia; Saint-Petersburg Scientific Research Center for Ecological Safety, Russian Academy of Sciences, Saint-Petersburg 197110, Russia
| | - Andrey Sharov
- Saint-Petersburg Scientific Research Center for Ecological Safety, Russian Academy of Sciences, Saint-Petersburg 197110, Russia; Papanin Institute for Biology of the Inland Waters, Russian Academy of Sciences, Borok 152742, Russia
| | - Yujie Feng
- State Key Lab of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin 150090, China
| | - Nanqi Ren
- State Key Lab of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin 150090, China
| | - Kai Sun
- State Key Lab of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin 150090, China.
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29
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Abstract
Alternative splicing of precursor mRNA is a key mediator of gene expression regulation leading to greater diversity of the proteome in complex organisms. Systematic sequencing of the human genome and transcriptome has led to our understanding of how alternative splicing of critical genes leads to multiple pathological conditions such as cancer. For many years, proteases were known only for their roles as proteolytic enzymes, acting to regulate/process proteins associated with diverse cellular functions. However, the differential expression and altered function of various protease isoforms, such as (i) anti-apoptotic activities, (ii) mediating intercellular adhesion, and (iii) modifying the extracellular matrix, are evidence of their specific contribution towards shaping the tumor microenvironment. Revealing the alternative splicing of protease genes and characterization of their protein products/isoforms with distinct and opposing functions creates a platform to understand how protease isoforms contribute to specific cancer hallmarks. Here, in this review, we address cancer-specific isoforms produced by the alternative splicing of proteases and their distinctive roles in the tumor microenvironment.
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Affiliation(s)
- Chamikara Liyanage
- School of Biomedical Sciences, Faculty of Health, Institute of Health and Biomedical Innovation, Queensland University of Technology, Brisbane, Australia
- Australian Prostate Cancer Research Centre-Queensland (APCRC-Q), Translational Research Institute, Queensland University of Technology, Brisbane, Australia
| | - Achala Fernando
- School of Biomedical Sciences, Faculty of Health, Institute of Health and Biomedical Innovation, Queensland University of Technology, Brisbane, Australia
- Australian Prostate Cancer Research Centre-Queensland (APCRC-Q), Translational Research Institute, Queensland University of Technology, Brisbane, Australia
| | - Jyotsna Batra
- School of Biomedical Sciences, Faculty of Health, Institute of Health and Biomedical Innovation, Queensland University of Technology, Brisbane, Australia.
- Australian Prostate Cancer Research Centre-Queensland (APCRC-Q), Translational Research Institute, Queensland University of Technology, Brisbane, Australia.
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30
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Yin F, Zhou H, Fang Y, Li C, He Y, Yu L, Wan H, Yang J. Astragaloside IV alleviates ischemia reperfusion-induced apoptosis by inhibiting the activation of key factors in death receptor pathway and mitochondrial pathway. JOURNAL OF ETHNOPHARMACOLOGY 2020; 248:112319. [PMID: 31639488 DOI: 10.1016/j.jep.2019.112319] [Citation(s) in RCA: 61] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/02/2019] [Revised: 10/06/2019] [Accepted: 10/16/2019] [Indexed: 06/10/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Apoptosis plays an important role in cerebral ischemia-reperfusion injury and triggers a series of pathological changes which may even be life-threatening. Astragaloside-IV (AS-IV), a natural compound extracted from Astragalus (Astragalus membranaceus (Fisch.) Bunge., Leguminosae, Huangqi in Chinese), showed neuroprotective effects in the study of cerebral ischemia-reperfusion injury. In this study we investigate the effects of AS-IV on apoptosis induced by transient cerebral ischemia and reperfusion in rats, as well as the associated regulatory factors. METHODS AS-IV was administrated to male Sprague-Dawley (SD) rats after transient cerebral ischemia and reperfusion surgery (12.5, 25, and 50 mg/kg, once per day, continued for 7 days after surgey). After seven days of continuous administration, neurological function, cerebral infarction volume, and pathological changes of brain tissue were detected. Fas, FasL, Caspase-8, Bax, and Bcl-2 mRNA levels were determined by real-time PCR. Caspase-8, Bid, Cytochrome C (Cyto C), cleaved Caspase-3 proteins were determined by western blot and immunohistochemistry was used to quantify Cyto C. RESULTS AS-IV significantly attenuated the neurological deficit in rats with ischemica-reperfusion injury, and reduced cerebral infarction and neuronal apoptosis. AS-IV inhibited the mRNA upregulation of Fas, FasL, Caspase-8, and Bax/Bcl-2. Furthermore, the protein level of apoptosis cytokines Caspase-8, Bid, cleaved Caspase-3 and Cyto C were also inhibited after ischemia reperfusion, suggesting that AS-IV might alleviate ischemia reperfusion-induced apoptosis by inhibiting the activation of key factors in death receptor pathway and mitochondrial pathway.
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Affiliation(s)
- Fei Yin
- Zhejiang Chinese Medical University, Hangzhou, 310053, China
| | - Huifen Zhou
- Zhejiang Chinese Medical University, Hangzhou, 310053, China
| | - Yuchen Fang
- Zhejiang Chinese Medical University, Hangzhou, 310053, China
| | - Chang Li
- Zhejiang Chinese Medical University, Hangzhou, 310053, China
| | - Yu He
- Zhejiang Chinese Medical University, Hangzhou, 310053, China
| | - Li Yu
- Zhejiang Chinese Medical University, Hangzhou, 310053, China
| | - Haitong Wan
- Zhejiang Chinese Medical University, Hangzhou, 310053, China.
| | - Jiehong Yang
- Zhejiang Chinese Medical University, Hangzhou, 310053, China.
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31
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Zhong B, Liu M, Bai C, Ruan Y, Wang Y, Qiu L, Hong Y, Wang X, Li L, Li B. Caspase-8 Induces Lysosome-Associated Cell Death in Cancer Cells. Mol Ther 2020; 28:1078-1091. [PMID: 32053770 DOI: 10.1016/j.ymthe.2020.01.022] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2019] [Revised: 01/10/2020] [Accepted: 01/10/2020] [Indexed: 12/31/2022] Open
Abstract
Caspase-8, a well-characterized initiator of apoptosis, has also been found to play non-apoptotic roles in cells. In this study, we reveal that caspase-8 can induce cell death in a special way, which does not depend on activation of caspases and mitochondrial initiation. Instead, we prove that caspase-8 can cause lysosomal deacidification and thus lysosomal membrane permeabilization. V-ATPase is a multi-subunit proton pump that acidifies the lumen of lysosome. Our results demonstrate that caspase-8 can bind to the V0 domain of lysosomal Vacuolar H+-ATPase (V-ATPase), but not the V1 domain, to block the assembly of functional V-ATPase and alkalinize lysosomes. We further demonstrate that the C-terminal of caspase-8 is mainly responsible for the interaction with V-ATPase and can suffice to inhibit survival of cancer cells. Interestingly, regardless of the protein level, it is the expression rate of caspase-8 that is the major cause of cell death. Taken together, we identify a previously unrevealed caspase-8-mediated cell death pathway different form typical apoptosis, which could render caspase-8 a particular physiological function and may be potentially applied in treatments for apoptosis-resistant cancers.
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Affiliation(s)
- Benfu Zhong
- Department of Cancer Cell Biology, Tianjin's Key Laboratory of Cancer Prevention and Therapy, National Clinical Research Center for Cancer, Tianjin Medical University Cancer Institute and Hospital, Tianjin 300060, P.R. China; Department of Biochemistry and Molecular Biology, Capital Medical University, Beijing 100069, P.R. China
| | - Miao Liu
- Department of Cancer Cell Biology, Tianjin's Key Laboratory of Cancer Prevention and Therapy, National Clinical Research Center for Cancer, Tianjin Medical University Cancer Institute and Hospital, Tianjin 300060, P.R. China
| | - Changsen Bai
- Department of Cancer Cell Biology, Tianjin's Key Laboratory of Cancer Prevention and Therapy, National Clinical Research Center for Cancer, Tianjin Medical University Cancer Institute and Hospital, Tianjin 300060, P.R. China
| | - Yuxia Ruan
- Department of Cancer Cell Biology, Tianjin's Key Laboratory of Cancer Prevention and Therapy, National Clinical Research Center for Cancer, Tianjin Medical University Cancer Institute and Hospital, Tianjin 300060, P.R. China
| | - Yuanyuan Wang
- Department of Cancer Cell Biology, Tianjin's Key Laboratory of Cancer Prevention and Therapy, National Clinical Research Center for Cancer, Tianjin Medical University Cancer Institute and Hospital, Tianjin 300060, P.R. China
| | - Li Qiu
- Department of Cancer Cell Biology, Tianjin's Key Laboratory of Cancer Prevention and Therapy, National Clinical Research Center for Cancer, Tianjin Medical University Cancer Institute and Hospital, Tianjin 300060, P.R. China
| | - Yang Hong
- Department of Cancer Cell Biology, Tianjin's Key Laboratory of Cancer Prevention and Therapy, National Clinical Research Center for Cancer, Tianjin Medical University Cancer Institute and Hospital, Tianjin 300060, P.R. China
| | - Xin Wang
- Department of Cancer Cell Biology, Tianjin's Key Laboratory of Cancer Prevention and Therapy, National Clinical Research Center for Cancer, Tianjin Medical University Cancer Institute and Hospital, Tianjin 300060, P.R. China
| | - Lifang Li
- Department of Cancer Cell Biology, Tianjin's Key Laboratory of Cancer Prevention and Therapy, National Clinical Research Center for Cancer, Tianjin Medical University Cancer Institute and Hospital, Tianjin 300060, P.R. China.
| | - Binghui Li
- Department of Cancer Cell Biology, Tianjin's Key Laboratory of Cancer Prevention and Therapy, National Clinical Research Center for Cancer, Tianjin Medical University Cancer Institute and Hospital, Tianjin 300060, P.R. China; Department of Biochemistry and Molecular Biology, Capital Medical University, Beijing 100069, P.R. China.
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32
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Schroder WA, Hirata TD, Le TT, Gardner J, Boyle GM, Ellis J, Nakayama E, Pathirana D, Nakaya HI, Suhrbier A. SerpinB2 inhibits migration and promotes a resolution phase signature in large peritoneal macrophages. Sci Rep 2019; 9:12421. [PMID: 31455834 PMCID: PMC6712035 DOI: 10.1038/s41598-019-48741-w] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2018] [Accepted: 08/12/2019] [Indexed: 12/17/2022] Open
Abstract
SerpinB2 (plasminogen activator inhibitor type 2) has been called the "undecided serpin" with no clear consensus on its physiological role, although it is well described as an inhibitor of urokinase plasminogen activator (uPA). In macrophages, pro-inflammatory stimuli usually induce SerpinB2; however, expression is constitutive in Gata6+ large peritoneal macrophages (LPM). Interrogation of expression data from human macrophages treated with a range of stimuli using a new bioinformatics tool, CEMiTool, suggested that SerpinB2 is most tightly co- and counter-regulated with genes associated with cell movement. Using LPM from SerpinB2-/- and SerpinB2R380A (active site mutant) mice, we show that migration on Matrigel was faster than for their wild-type controls. Confocal microscopy illustrated that SerpinB2 and F-actin staining overlapped in focal adhesions and lamellipodia. Genes associated with migration and extracellular matrix interactions were also identified by RNA-Seq analysis of migrating RPM from wild-type and SerpinB2R380A mice. Subsequent gene set enrichment analyses (GSEA) suggested SerpinB2 counter-regulates many Gata6-regulated genes associated with migration. These data argue that the role of SerpinB2 in macrophages is inhibition of uPA-mediated plasmin generation during cell migration. GSEA also suggested that SerpinB2 expression (likely via ensuing modulation of uPA-receptor/integrin signaling) promotes the adoption of a resolution phase signature.
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Affiliation(s)
- Wayne A Schroder
- QIMR Berghofer Medical Research Institute, Brisbane, Qld, 4029, Australia
| | - Thiago D Hirata
- School of Pharmaceutical Sciences, University of Sao Paulo, Sao Paulo, Brazil
| | - Thuy T Le
- QIMR Berghofer Medical Research Institute, Brisbane, Qld, 4029, Australia
| | - Joy Gardner
- QIMR Berghofer Medical Research Institute, Brisbane, Qld, 4029, Australia
| | - Glen M Boyle
- QIMR Berghofer Medical Research Institute, Brisbane, Qld, 4029, Australia
| | - Jonathan Ellis
- QIMR Berghofer Medical Research Institute, Brisbane, Qld, 4029, Australia
| | - Eri Nakayama
- Department of Virology I, National Institute of Infectious Diseases, Tokyo, 162-8640, Japan
| | - Dilan Pathirana
- QIMR Berghofer Medical Research Institute, Brisbane, Qld, 4029, Australia
| | - Helder I Nakaya
- School of Pharmaceutical Sciences, University of Sao Paulo, Sao Paulo, Brazil
| | - Andreas Suhrbier
- QIMR Berghofer Medical Research Institute, Brisbane, Qld, 4029, Australia.
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33
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Fleischmann M, Martin D, Peña-Llopis S, Oppermann J, von der Grün J, Diefenhardt M, Chatzikonstantinou G, Fokas E, Rödel C, Strebhardt K, Becker S, Rödel F, Tselis N. Association of Polo-Like Kinase 3 and PhosphoT273 Caspase 8 Levels With Disease-Related Outcomes Among Cervical Squamous Cell Carcinoma Patients Treated With Chemoradiation and Brachytherapy. Front Oncol 2019; 9:742. [PMID: 31475104 PMCID: PMC6702309 DOI: 10.3389/fonc.2019.00742] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2019] [Accepted: 07/23/2019] [Indexed: 12/22/2022] Open
Abstract
Introduction: Definitive chemoradiation (CRT) followed by high-dose-rate (HDR) brachytherapy (BT) represents state-of-the-art treatment for locally-advanced cervical cancer. Despite use of this treatment paradigm, disease-related outcomes have stagnated in recent years, indicating the need for biomarker development and improved patient stratification. Here, we report the association of Polo-like kinase (PLK) 3 expression and Caspase 8 T273 phosphorylation levels with survival among patients with cervical squamous cell carcinoma (CSCC) treated with CRT plus BT. Methods: We identified 74 patients with FIGO Stage Ib to IVb cervix squamous cell carcinoma. Baseline immunohistochemical scoring of PLK3 and pT273 Caspase 8 levels was performed on pre-treatment samples. Correlation was then assessed between marker expression and clinical endpoints, including cumulative incidences of local and distant failure, cancer-specific survival (CSS) and overall survival (OS). Data were then validated using The Cancer Genome Atlas (TCGA) dataset. Results: PLK3 expression levels were associated with pT273 Caspase 8 levels (p = 0.009), as well as N stage (p = 0.046), M stage (p = 0.026), and FIGO stage (p = 0.001). By the same token, pT273 Caspase 8 levels were associated with T stage (p = 0.031). Increased PLK3 levels corresponded to a lower risk of distant relapse (p = 0.009), improved CSS (p = 0.001), and OS (p = 0.003). Phospho T273 Caspase 8 similarly corresponded to decreased risk of distant failure (p = 0.021), and increased CSS (p < 0.001) and OS (p < 0.001) and remained a significant predictor for OS on multivariate analysis. TCGA data confirmed the association of low PLK3 expression with resistance to radiotherapy and BT (p < 0.05), as well as increased propensity for metastasis (p = 0.019). Finally, a combined PLK3 and pT273 Caspase 8 score predicted for decreased distant relapse (p = 0.005), and both improved CSS (p < 0.001) and OS (p < 0.001); this combined score independently predicted distant failure (p = 0.041) and CSS (p = 0.003) on multivariate analyses. Conclusion: Increased pre-treatment tumor levels of PLK3 and pT273 Caspase 8 correspond to improved disease-related outcomes among cervical cancer patients treated with CRT plus BT, representing a potential biomarker in this context.
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Affiliation(s)
- Max Fleischmann
- Department of Radiotherapy and Oncology, Goethe-University, Frankfurt, Germany
| | - Daniel Martin
- Department of Radiotherapy and Oncology, Goethe-University, Frankfurt, Germany
| | - Samuel Peña-Llopis
- Division of Solid Tumor Translational Oncology, West German Cancer Center, Essen University Hospital, Essen, Germany.,German Cancer Research Center (DKFZ), Heidelberg, Germany.,German Cancer Consortium (DKTK) Partner Site, Essen/Düsseldorf, Germany
| | - Julius Oppermann
- Department of Radiotherapy and Oncology, Goethe-University, Frankfurt, Germany
| | - Jens von der Grün
- Department of Radiotherapy and Oncology, Goethe-University, Frankfurt, Germany
| | - Markus Diefenhardt
- Department of Radiotherapy and Oncology, Goethe-University, Frankfurt, Germany
| | | | - Emmanouil Fokas
- Department of Radiotherapy and Oncology, Goethe-University, Frankfurt, Germany.,German Cancer Research Center (DKFZ), Heidelberg, Germany.,Frankfurt Cancer Institute (FCI), University of Frankfurt, Frankfurt, Germany.,German Cancer Consortium (DKTK) Partner Site, Frankfurt/Mainz, Germany
| | - Claus Rödel
- Department of Radiotherapy and Oncology, Goethe-University, Frankfurt, Germany.,German Cancer Research Center (DKFZ), Heidelberg, Germany.,Frankfurt Cancer Institute (FCI), University of Frankfurt, Frankfurt, Germany.,German Cancer Consortium (DKTK) Partner Site, Frankfurt/Mainz, Germany
| | - Klaus Strebhardt
- German Cancer Research Center (DKFZ), Heidelberg, Germany.,German Cancer Consortium (DKTK) Partner Site, Frankfurt/Mainz, Germany.,Department of Gynecology, Goethe-University, Frankfurt, Germany
| | - Sven Becker
- Department of Gynecology, Goethe-University, Frankfurt, Germany
| | - Franz Rödel
- Department of Radiotherapy and Oncology, Goethe-University, Frankfurt, Germany.,German Cancer Research Center (DKFZ), Heidelberg, Germany.,Frankfurt Cancer Institute (FCI), University of Frankfurt, Frankfurt, Germany.,German Cancer Consortium (DKTK) Partner Site, Frankfurt/Mainz, Germany
| | - Nikolaos Tselis
- Department of Radiotherapy and Oncology, Goethe-University, Frankfurt, Germany
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34
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McComb S, Chan PK, Guinot A, Hartmannsdottir H, Jenni S, Dobay MP, Bourquin JP, Bornhauser BC. Efficient apoptosis requires feedback amplification of upstream apoptotic signals by effector caspase-3 or -7. SCIENCE ADVANCES 2019; 5:eaau9433. [PMID: 31392262 PMCID: PMC6669006 DOI: 10.1126/sciadv.aau9433] [Citation(s) in RCA: 148] [Impact Index Per Article: 29.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/30/2018] [Accepted: 06/26/2019] [Indexed: 05/15/2023]
Abstract
Apoptosis is a complex multi-step process driven by caspase-dependent proteolytic cleavage cascades. Dysregulation of apoptosis promotes tumorigenesis and limits the efficacy of chemotherapy. To assess the complex interactions among caspases during apoptosis, we disrupted caspase-8, -9, -3, -7, or -6 and combinations thereof, using CRISPR-based genome editing in living human leukemia cells. While loss of apical initiator caspase-8 or -9 partially blocked extrinsic or intrinsic apoptosis, respectively, only combined loss of caspase-3 and -7 fully inhibited both apoptotic pathways, with no discernible effect of caspase-6 deficiency alone or in combination. Caspase-3/7 double knockout cells exhibited almost complete inhibition of caspase-8 or -9 activation. Furthermore, deletion of caspase-3 and -7 decreased mitochondrial depolarization and cytochrome c release upon apoptosis activation. Thus, activation of effector caspase-3 or -7 sets off explosive feedback amplification of upstream apoptotic events, which is a key feature of apoptotic signaling essential for efficient apoptotic cell death.
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Affiliation(s)
- Scott McComb
- Department of Oncology and Children’s Research Centre, University Children’s Hospital Zürich, 8032 Zürich, Switzerland
| | - Pik Ki Chan
- Department of Oncology and Children’s Research Centre, University Children’s Hospital Zürich, 8032 Zürich, Switzerland
| | - Anna Guinot
- Department of Oncology and Children’s Research Centre, University Children’s Hospital Zürich, 8032 Zürich, Switzerland
| | - Holmfridur Hartmannsdottir
- Department of Oncology and Children’s Research Centre, University Children’s Hospital Zürich, 8032 Zürich, Switzerland
| | - Silvia Jenni
- Department of Oncology and Children’s Research Centre, University Children’s Hospital Zürich, 8032 Zürich, Switzerland
| | - Maria Pamela Dobay
- Department of Oncology and Children’s Research Centre, University Children’s Hospital Zürich, 8032 Zürich, Switzerland
- IQVIA Technology and Services AG Theaterstrasse 4, 4051 Basel, Switzerland
| | - Jean-Pierre Bourquin
- Department of Oncology and Children’s Research Centre, University Children’s Hospital Zürich, 8032 Zürich, Switzerland
| | - Beat C. Bornhauser
- Department of Oncology and Children’s Research Centre, University Children’s Hospital Zürich, 8032 Zürich, Switzerland
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35
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Ellestad LE, Cogburn LA, Simon J, Le Bihan-Duval E, Aggrey SE, Byerly MS, Duclos MJ, Porter TE. Transcriptional profiling and pathway analysis reveal differences in pituitary gland function, morphology, and vascularization in chickens genetically selected for high or low body weight. BMC Genomics 2019; 20:316. [PMID: 31023219 PMCID: PMC6482517 DOI: 10.1186/s12864-019-5670-9] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2018] [Accepted: 04/08/2019] [Indexed: 12/15/2022] Open
Abstract
Background Though intensive genetic selection has led to extraordinary advances in growth rate and feed efficiency in production of meat-type chickens, endocrine processes controlling these traits are still poorly understood. The anterior pituitary gland is a central component of the neuroendocrine system and plays a key role in regulating important physiological processes that directly impact broiler production efficiency, though how differences in pituitary gland function contribute to various growth and body composition phenotypes is not fully understood. Results Global anterior pituitary gene expression was evaluated on post-hatch weeks 1, 3, 5, and 7 in male broiler chickens selected for high (HG) or low (LG) growth. Differentially expressed genes (DEGs) were analyzed with gene ontology categorization, self-organizing maps, gene interaction network determination, and upstream regulator identification to uncover novel pituitary genes and pathways contributing to differences in growth and body composition. A total of 263 genes were differentially expressed between HG and LG anterior pituitary glands (P ≤ 0.05 for genetic line-by-age interaction or main effect of line; ≥1.6-fold difference between lines), including genes encoding four anterior pituitary hormones. Genes involved in signal transduction, transcriptional regulation, and vesicle-mediated transport were differentially expressed and are predicted to influence expression and secretion of pituitary hormones. DEGs involved in immune regulation provide evidence that inflammation and response to cellular stressors may compromise pituitary function in LG birds, affecting their ability to adequately produce pituitary hormones. Many DEGs were also predicted to function in processes that regulate organ morphology and angiogenesis, suggesting pituitary gland structure differs between the divergently selected lines. Conclusions The large number of DEGs within the anterior pituitary gland of birds selected for high or low body weight highlights the importance of this gland in regulating economically important traits such as growth and body composition in broiler chickens. Intracellular signaling, transcriptional regulation, and membrane trafficking are important cellular processes contributing to proper hormone production and secretion. The data also suggest that pituitary function is intimately tied to structure, and organization of the gland could influence hypothalamic and systemic metabolic inputs and delivery of hormones regulating growth and metabolism into peripheral circulation. Electronic supplementary material The online version of this article (10.1186/s12864-019-5670-9) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Laura E Ellestad
- Department of Poultry Science, University of Georgia, Athens, GA, 30602, USA.,Department of Animal and Avian Sciences, University of Maryland, College Park, MD, 20742, USA
| | - Larry A Cogburn
- Department of Animal and Food Sciences, University of Delaware, Newark, DE, 19716, USA
| | - Jean Simon
- Biologie des Oiseaux et Aviculture, Institut National de la Recherche Agronomique (INRA), Université de Tours, UR83 Recherches Avicoles, 37380, Nouzilly, France
| | - Elisabeth Le Bihan-Duval
- Biologie des Oiseaux et Aviculture, Institut National de la Recherche Agronomique (INRA), Université de Tours, UR83 Recherches Avicoles, 37380, Nouzilly, France
| | - Samuel E Aggrey
- Department of Poultry Science, University of Georgia, Athens, GA, 30602, USA
| | - Mardi S Byerly
- Department of Animal and Avian Sciences, University of Maryland, College Park, MD, 20742, USA
| | - Michel J Duclos
- Biologie des Oiseaux et Aviculture, Institut National de la Recherche Agronomique (INRA), Université de Tours, UR83 Recherches Avicoles, 37380, Nouzilly, France
| | - Tom E Porter
- Department of Animal and Avian Sciences, University of Maryland, College Park, MD, 20742, USA.
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Tong Y, Song Y, Deng S. Combined analysis and validation for DNA methylation and gene expression profiles associated with prostate cancer. Cancer Cell Int 2019; 19:50. [PMID: 30867653 PMCID: PMC6399908 DOI: 10.1186/s12935-019-0753-x] [Citation(s) in RCA: 20] [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: 08/16/2018] [Accepted: 02/08/2019] [Indexed: 12/16/2022] Open
Abstract
BACKGROUND Prostate cancer (PCa) is a malignancy cause of cancer deaths and frequently diagnosed in male. This study aimed to identify tumor suppressor genes, hub genes and their pathways by combined bioinformatics analysis. METHODS A combined analysis method was used for two types of microarray datasets (DNA methylation and gene expression profiles) from the Gene Expression Omnibus (GEO). Differentially methylated genes (DMGs) were identified by the R package minfi and differentially expressed genes (DEGs) were screened out via the R package limma. A total of 4451 DMGs and 1509 DEGs, identified with nine overlaps between DMGs, DEGs and tumor suppressor genes, were screened for candidate tumor suppressor genes. All these nine candidate tumor suppressor genes were validated by TCGA (The Cancer Genome Atlas) database and Oncomine database. And then, the gene ontology (GO) and Kyoto Encyclopedia of Genes and Genomes pathway (KEGG) enrichment analyses were performed by DAVID (Database for Annotation, Visualization and Integrated Discovery) database. Protein-protein interaction (PPI) network was constructed by STRING and visualized in Cytoscape. At last, Kaplan-Meier analysis was performed to validate these genes. RESULTS The candidate tumor suppressor genes were IKZF1, PPM1A, FBP1, SMCHD1, ALPL, CASP5, PYHIN1, DAPK1 and CASP8. By validation in TCGA database, PPM1A, DAPK1, FBP1, PYHIN1, ALPL and SMCHD1 were significant. The hub genes were FGFR1, FGF13 and CCND1. These hub genes were identified from the PPI network, and sub-networks revealed by these genes were involved in significant pathways. CONCLUSION In summary, the study indicated that the combined analysis for identifying target genes with PCa by bioinformatics tools promote our understanding of the molecular mechanisms and underlying the development of PCa. And the hub genes might serve as molecular targets and diagnostic biomarkers for precise diagnosis and treatment of PCa.
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Affiliation(s)
- Yanqiu Tong
- Laboratory of Forensic Medicine and Biomedical Informatics, Chongqing Medical University, Chongqing, 400016 People’s Republic of China
- School of Humanity, Chongqing Jiaotong University, Chongqing, 400074 People’s Republic of China
| | - Yang Song
- Department of Device, Chongqing Medical University, Chongqing, 400016 People’s Republic of China
| | - Shixiong Deng
- Laboratory of Forensic Medicine and Biomedical Informatics, Chongqing Medical University, Chongqing, 400016 People’s Republic of China
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Zhang X, Li P, Zheng Q, Hou J. Lactobacillus acidophilus S-layer protein-mediated inhibition of PEDV-induced apoptosis of Vero cells. Vet Microbiol 2019; 229:159-167. [PMID: 30642593 PMCID: PMC7127310 DOI: 10.1016/j.vetmic.2019.01.003] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2018] [Revised: 12/31/2018] [Accepted: 01/03/2019] [Indexed: 12/20/2022]
Abstract
Lactobacillus S-layer protein plays an inhibitory role during PEDV infection. In Vero cells infected with PEDV, apoptosis was mediated by caspase-8/3 activation. Lactobacillus S-layer protein inhibited PEDV-induced apoptosis in Vero cells. S-layer protein reduced caspase-8/3 activation against PEDV-induced apoptosis.
To gain insight into the mechanism of Lactobacillus acidophilus (L. acidophilus) S-layer protein antiviral activity, we examined how S-layer protein impacts porcine epidemic diarrhea virus (PEDV) infection and PEDV-induced apoptosis of Vero cells. Pretreatment (exclusion assay), coincubation (competition assay), and post-treatment (displacement assay) of PEDV-infected Vero cells with the S-layer protein was examined. Interestingly, significant inhibition of PEDV by S-layer protein was only observed in the exclusion assay. In Vero cells infected with PEDV, we found that apoptosis was mediated by activation of caspase-8 and caspase-3 in the late stage of infection. When PEDV-infected Vero cells were pretreated with S-layer protein, rates of Vero cell apoptosis were markedly decreased and cell damage was significantly reduced, as evaluated by flow cytometry and microscopy. Detailed analyses showed that the S-layer protein inhibited caspase-8 and caspase-3 activity. Taken together, our results suggest that L. acidophilus S-layer protein plays an inhibitory role during PEDV infection of Vero cells, and that the antagonistic activity of the protein is not via competition with PEDV for binding sites. In addition, the findings suggest that L. acidophilus S-layer protein protects against PEDV-induced apoptosis through reduced caspase-8 and caspase-3 activation in the later stages of infection. This mechanism may represent a novel approach for antagonizing PEDV and other viruses.
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Affiliation(s)
- Xiaoyan Zhang
- Institute of Veterinary Immunology & Engineering, National Research Center of Engineering and Technology for Veterinary Biologicals, Jiangsu Academy of Agricultural Science, Nanjing, 210014, China; College of Life Science and Resources and Environment, Yichun University, Yichun, 336000, China
| | - Pengcheng Li
- Institute of Veterinary Immunology & Engineering, National Research Center of Engineering and Technology for Veterinary Biologicals, Jiangsu Academy of Agricultural Science, Nanjing, 210014, China; College of Life Science and Resources and Environment, Yichun University, Yichun, 336000, China.
| | - Qisheng Zheng
- Institute of Veterinary Immunology & Engineering, National Research Center of Engineering and Technology for Veterinary Biologicals, Jiangsu Academy of Agricultural Science, Nanjing, 210014, China
| | - Jibo Hou
- Institute of Veterinary Immunology & Engineering, National Research Center of Engineering and Technology for Veterinary Biologicals, Jiangsu Academy of Agricultural Science, Nanjing, 210014, China
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Caspase-8: A Novel Target to Overcome Resistance to Chemotherapy in Glioblastoma. Int J Mol Sci 2018; 19:ijms19123798. [PMID: 30501030 PMCID: PMC6320982 DOI: 10.3390/ijms19123798] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2018] [Revised: 11/22/2018] [Accepted: 11/23/2018] [Indexed: 01/02/2023] Open
Abstract
Caspase-8 was originally identified as a central player of programmed cell death triggered by death receptor stimulation. In that context, its activity is tightly regulated through several mechanisms, with the best established being the expression of FLICE-like inhibitory protein (FLIP) family proteins and the Src-dependent phosphorylation of Caspase-8 on Tyr380. Loss of apoptotic signaling is a hallmark of cancer and indeed Caspase-8 expression is often lost in tumors. This event may account not only for cancer progression but also for cancer resistance to radiotherapy and chemotherapy. Intriguingly, other tumors, such as glioblastoma, preferentially retain Caspase-8 expression, and high levels of Caspase-8 expression may correlate with a worse prognosis, suggesting that in this context this protease loses its apoptotic activity and gains additional functions. Using different cellular systems, it has been clearly shown that in cancer Caspase-8 can exhibit non-canonical functions, including promotion of cell adhesion, migration, and DNA repair. Intriguingly, in glioblastoma models, Caspase-8 can promote NF-κB-dependent expression of several cytokines, angiogenesis, and in vitro and in vivo tumorigenesis. Overall, these observations suggest that some cancer cells may hijack Caspase-8 function which in turn promote cancer progression and resistance to therapy. Here we aim to highlight the multiple functions of Caspase-8 and to discuss whether the molecular mechanisms that modulate the balance between those functions may be targeted to dismantle the aberrant activity of Caspase-8 and to restore its canonical apoptotic functionality.
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Yang Y, Zhang LJ, Bai XG, Xu HJ, Jin ZL, Ding M. Synergistic antitumour effects of triptolide plus gemcitabine in bladder cancer. Biomed Pharmacother 2018; 106:1307-1316. [DOI: 10.1016/j.biopha.2018.07.083] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2018] [Revised: 07/12/2018] [Accepted: 07/15/2018] [Indexed: 01/03/2023] Open
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