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Motomatsu Y, Sakurai M, Onitsuka H, Abe K, Shiose A. Hypothermia Inhibits the Expression of Receptor Interacting Protein Kinases 1 and 3 After Transient Spinal Cord Ischaemia in Rabbits. Eur J Vasc Endovasc Surg 2020; 59:824-833. [DOI: 10.1016/j.ejvs.2019.12.004] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2019] [Revised: 10/30/2019] [Accepted: 12/02/2019] [Indexed: 12/14/2022]
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52
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Aizawa E, Karasawa T, Watanabe S, Komada T, Kimura H, Kamata R, Ito H, Hishida E, Yamada N, Kasahara T, Mori Y, Takahashi M. GSDME-Dependent Incomplete Pyroptosis Permits Selective IL-1α Release under Caspase-1 Inhibition. iScience 2020; 23:101070. [PMID: 32361594 PMCID: PMC7200307 DOI: 10.1016/j.isci.2020.101070] [Citation(s) in RCA: 63] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2019] [Revised: 03/11/2020] [Accepted: 04/09/2020] [Indexed: 01/26/2023] Open
Abstract
Pyroptosis is a form of regulated cell death that is characterized by gasdermin processing and increased membrane permeability. Caspase-1 and caspase-11 have been considered to be essential for gasdermin D processing associated with inflammasome activation. In the present study, we found that NLRP3 inflammasome activation induces delayed necrotic cell death via ASC in caspase-1/11-deficient macrophages. Furthermore, ASC-mediated caspase-8 activation and subsequent gasdermin E processing are necessary for caspase-1-independent necrotic cell death. We define this necrotic cell death as incomplete pyroptosis because IL-1β release, a key feature of pyroptosis, is absent, whereas IL-1α release is induced. Notably, unprocessed pro-IL-1β forms a molecular complex to be retained inside pyroptotic cells. Moreover, incomplete pyroptosis accompanied by IL-1α release is observed under the pharmacological inhibition of caspase-1 with VX765. These findings suggest that caspase-1 inhibition during NLRP3 inflammasome activation modulates forms of cell death and permits the release of IL-1α from dying cells. NLRP3 inflammasome induces necrotic cell death in the absence of caspase-1/11 ASC initiates GSDME-dependent pyroptosis via caspase-8 IL-1α, but not IL-1β, is released during Casp1/11-independent pyroptosis Pharmacological inhibition of caspase-1 permits IL-1α release during pyroptosis
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Affiliation(s)
- Emi Aizawa
- Division of Inflammation Research, Center for Molecular Medicine, Jichi Medical University, 3311-1 Yakushiji, Shimotsuke, Tochigi 329-0498, Japan; Department of Dentistry, Oral and Maxillofacial Surgery, Jichi Medical University, Tochigi, Japan
| | - Tadayoshi Karasawa
- Division of Inflammation Research, Center for Molecular Medicine, Jichi Medical University, 3311-1 Yakushiji, Shimotsuke, Tochigi 329-0498, Japan.
| | - Sachiko Watanabe
- Division of Inflammation Research, Center for Molecular Medicine, Jichi Medical University, 3311-1 Yakushiji, Shimotsuke, Tochigi 329-0498, Japan
| | - Takanori Komada
- Division of Inflammation Research, Center for Molecular Medicine, Jichi Medical University, 3311-1 Yakushiji, Shimotsuke, Tochigi 329-0498, Japan
| | - Hiroaki Kimura
- Division of Inflammation Research, Center for Molecular Medicine, Jichi Medical University, 3311-1 Yakushiji, Shimotsuke, Tochigi 329-0498, Japan
| | - Ryo Kamata
- Division of Inflammation Research, Center for Molecular Medicine, Jichi Medical University, 3311-1 Yakushiji, Shimotsuke, Tochigi 329-0498, Japan
| | - Homare Ito
- Division of Inflammation Research, Center for Molecular Medicine, Jichi Medical University, 3311-1 Yakushiji, Shimotsuke, Tochigi 329-0498, Japan
| | - Erika Hishida
- Division of Inflammation Research, Center for Molecular Medicine, Jichi Medical University, 3311-1 Yakushiji, Shimotsuke, Tochigi 329-0498, Japan
| | - Naoya Yamada
- Division of Inflammation Research, Center for Molecular Medicine, Jichi Medical University, 3311-1 Yakushiji, Shimotsuke, Tochigi 329-0498, Japan
| | - Tadashi Kasahara
- Division of Inflammation Research, Center for Molecular Medicine, Jichi Medical University, 3311-1 Yakushiji, Shimotsuke, Tochigi 329-0498, Japan
| | - Yoshiyuki Mori
- Department of Dentistry, Oral and Maxillofacial Surgery, Jichi Medical University, Tochigi, Japan
| | - Masafumi Takahashi
- Division of Inflammation Research, Center for Molecular Medicine, Jichi Medical University, 3311-1 Yakushiji, Shimotsuke, Tochigi 329-0498, Japan.
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Zhang D, Jin Q, Jiang C, Gao M, Ni Y, Zhang J. Imaging Cell Death: Focus on Early Evaluation of Tumor Response to Therapy. Bioconjug Chem 2020; 31:1025-1051. [PMID: 32150392 DOI: 10.1021/acs.bioconjchem.0c00119] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Cell death plays a prominent role in the treatment of cancer, because most anticancer therapies act by the induction of cell death including apoptosis, necrosis, and other pathways of cell death. Imaging cell death helps to identify treatment responders from nonresponders and thus enables patient-tailored therapy, which will increase the likelihood of treatment response and ultimately lead to improved patient survival. By taking advantage of molecular probes that specifically target the biomarkers/biochemical processes of cell death, cell death imaging can be successfully achieved. In recent years, with the increased understanding of the molecular mechanism of cell death, a variety of well-defined biomarkers/biochemical processes of cell death have been identified. By targeting these established cell death biomarkers/biochemical processes, a set of molecular imaging probes have been developed and evaluated for early monitoring treatment response in tumors. In this review, we mainly present the recent advances in identifying useful biomarkers/biochemical processes for both apoptosis and necrosis imaging and in developing molecular imaging probes targeting these biomarkers/biochemical processes, with a focus on their application in early evaluation of tumor response to therapy.
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Affiliation(s)
- Dongjian Zhang
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing 210028, P.R. China.,Laboratories of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine, Nanjing 210028, P.R. China
| | - Qiaomei Jin
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing 210028, P.R. China.,Laboratories of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine, Nanjing 210028, P.R. China
| | - Cuihua Jiang
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing 210028, P.R. China.,Laboratories of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine, Nanjing 210028, P.R. China
| | - Meng Gao
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing 210028, P.R. China.,Laboratories of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine, Nanjing 210028, P.R. China
| | - Yicheng Ni
- Theragnostic Laboratory, Campus Gasthuisberg, KU Leuven, Leuven 3000, Belgium
| | - Jian Zhang
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing 210028, P.R. China.,Laboratories of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine, Nanjing 210028, P.R. China
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54
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Chen H, Tang LJ, Tu H, Zhou YJ, Li NS, Luo XJ, Peng J. Arctiin protects rat heart against ischemia/reperfusion injury via a mechanism involving reduction of necroptosis. Eur J Pharmacol 2020; 875:173053. [PMID: 32135123 DOI: 10.1016/j.ejphar.2020.173053] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2019] [Revised: 02/27/2020] [Accepted: 02/28/2020] [Indexed: 12/12/2022]
Abstract
RIPK1/RIPK3/MLKL (Receptor-interacting protein kinase 1/Receptor-interacting protein kinase 3/Mixed lineage kinase domain-like protein) pathway-mediated necroptosis contributes to myocardial ischemia/reperfusion (I/R) injury, and Arctiin can prevent myocardial fibrosis and hypertrophy. This study aims to explore the effect of Arctiin on myocardial I/R injury and the underlying mechanisms. SD rat hearts or cardiomyocytes were subjected to I/R or hypoxia/reoxygenation (H/R) to establish the I/R or H/R injury model. The methods of biochemistry, PI/DAPI (propidium iodide/4',6-Diamidino-2-Phenylindole) and H&E (Hematoxylin & eosin) staining were used to evaluate the I/R or H/R injury. The effects of Arctiin on necroptosis in I/R-treated hearts or H/R-treated cardiomyocytes were assessed. The results showed that Arctiin reduced myocardial I/R injury (decreases in myocardial infarction and creatine kinase release), concomitant with a decrease in levels of necroptosis-associated proteins (RIPK1/p-RIPK1, RIPK3/p-RIPK3 and MLKL/p-MLKL) in I/R-treated rat hearts. Consistently, the necrosis and LDH release in H/R-treated cardiomyocytes were attenuated in the presence of Arctiin, accompanied by suppression of necroptosis-relevant proteins. Furthermore, H/R-induced reactive oxygen species (ROS) generation and mitochondrial dysfunctions (increase in mitochondrial membrane potential and decrease in ATP production) were impaired by Arctiin. Using the program of the Molecular Operating Environment (MOE), we predict that RIPK1 and MLKL (but not RIPK3) might be the potential targets of Arctiin. Based on these observations, we conclude that Arctiin can protect the rat heart from I/R injury, and its beneficial effect is related to reduction of necroptosis via scavenging reactive oxygen species and restoring mitochondrial functions or targeting RIPK1 and/or MLKL.
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Affiliation(s)
- Heng Chen
- Department of Pharmacology, Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, 410078, China
| | - Li-Jing Tang
- Department of Pharmacology, Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, 410078, China
| | - Hua Tu
- Department of Pharmacology, Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, 410078, China
| | - Yuan-Jing Zhou
- Department of Pharmacology, Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, 410078, China
| | - Nian-Sheng Li
- Department of Pharmacology, Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, 410078, China
| | - Xiu-Ju Luo
- Department of Laboratory Medicine, Xiangya Third Hospital, Central South University, Changsha, 410013, China
| | - Jun Peng
- Department of Pharmacology, Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, 410078, China; Hunan Provincial Key Laboratory of Cardiovascular Research, School of Pharmaceutical Sciences, Central South University, Changsha, 410078, China.
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55
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Ng SW, Norwitz SG, Taylor HS, Norwitz ER. Endometriosis: The Role of Iron Overload and Ferroptosis. Reprod Sci 2020; 27:1383-1390. [PMID: 32077077 DOI: 10.1007/s43032-020-00164-z] [Citation(s) in RCA: 66] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2019] [Accepted: 11/26/2019] [Indexed: 02/08/2023]
Abstract
Iron is an essential element for cell survival, and iron deficiency is a known risk factor for many reproductive disorders. Paradoxically, such disorders are also seen more commonly under conditions of iron excess. Here, we focus on the problem of iron overload in women's health, using endometriosis as a model system. We propose (i) that a primary defect in endometriosis is abnormal eutopic endometrium characterized by resistance to ferroptosis, a process of iron-mediated non-apoptotic programmed cell death, which allows cells spread via retrograde menstruation to survive, implant, and establish endometriotic lesions within the abdominal cavity, and (ii) that dysregulated iron homeostasis may be critical to the subsequent pathophysiology of endometriotic lesions with localized iron overload and inflammation. We further investigate the association between endometriosis and hypercholesterolemia and suggest that an interaction between the mevalonate cholesterol biosynthetic pathway and ferroptosis signaling may provide a molecular basis to explain how it is that, in some women, endometrial tissues survive and thrive under ferroptotic pressure, colonize at ectopic sites, and expand into endometriotic lesions.
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Affiliation(s)
- Shu-Wing Ng
- Department of Obstetrics & Gynecology, Tufts University School of Medicine, Boston, USA.,Mother Infant Research Institute, Tufts Medical Center, Boston, USA
| | | | - Hugh S Taylor
- Department of Obstetrics, Gynecology & Reproductive Sciences, Yale School of Medicine, New Haven, USA
| | - Errol R Norwitz
- Department of Obstetrics & Gynecology, Tufts University School of Medicine, Boston, USA. .,Mother Infant Research Institute, Tufts Medical Center, Boston, USA.
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56
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Chen GQ, Benthani FA, Wu J, Liang D, Bian ZX, Jiang X. Artemisinin compounds sensitize cancer cells to ferroptosis by regulating iron homeostasis. Cell Death Differ 2020; 27:242-254. [PMID: 31114026 PMCID: PMC7205875 DOI: 10.1038/s41418-019-0352-3] [Citation(s) in RCA: 264] [Impact Index Per Article: 66.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2019] [Revised: 04/24/2019] [Accepted: 05/02/2019] [Indexed: 01/19/2023] Open
Abstract
The antimalarial drug artemisinin and its derivatives have been explored as potential anticancer agents, but their underlying mechanisms are controversial. In this study, we found that artemisinin compounds can sensitize cancer cells to ferroptosis, a new form of programmed cell death driven by iron-dependent lipid peroxidation. Mechanistically, dihydroartemisinin (DAT) can induce lysosomal degradation of ferritin in an autophagy-independent manner, increasing the cellular free iron level and causing cells to become more sensitive to ferroptosis. Further, by associating with cellular free iron and thus stimulating the binding of iron-regulatory proteins (IRPs) with mRNA molecules containing iron-responsive element (IRE) sequences, DAT impinges on IRP/IRE-controlled iron homeostasis to further increase cellular free iron. Importantly, in both in vitro and a mouse xenograft model in which ferroptosis was triggered in cancer cells by the inducible knockout of GPX4, we found that DAT can augment GPX4 inhibition-induced ferroptosis in a cohort of cancer cells that are otherwise highly resistant to ferroptosis. Collectively, artemisinin compounds can sensitize cells to ferroptosis by regulating cellular iron homeostasis. Our findings can be exploited clinically to enhance the effect of future ferroptosis-inducing cancer therapies.
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Affiliation(s)
- Guo-Qing Chen
- School of Chinese Medicine, Hong Kong Baptist University, Kowloon Tong, Hong Kong, China
- Cell Biology Program, Memorial Sloan Kettering Cancer Center, New York City, NY, 10065, USA
| | - Fahad A Benthani
- Cell Biology Program, Memorial Sloan Kettering Cancer Center, New York City, NY, 10065, USA
| | - Jiao Wu
- Cell Biology Program, Memorial Sloan Kettering Cancer Center, New York City, NY, 10065, USA
- National Translational Science Center for Molecular Medicine, Department of Cell Biology, School of Basic Medicine, Air Force Medical University, Xi'an, 710032, China
| | - Deguang Liang
- Cell Biology Program, Memorial Sloan Kettering Cancer Center, New York City, NY, 10065, USA
| | - Zhao-Xiang Bian
- School of Chinese Medicine, Hong Kong Baptist University, Kowloon Tong, Hong Kong, China.
| | - Xuejun Jiang
- Cell Biology Program, Memorial Sloan Kettering Cancer Center, New York City, NY, 10065, USA.
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57
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Emerging Role of Ferroptosis in Acute Kidney Injury. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2019; 2019:8010614. [PMID: 31781351 PMCID: PMC6875218 DOI: 10.1155/2019/8010614] [Citation(s) in RCA: 109] [Impact Index Per Article: 21.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/17/2019] [Revised: 08/22/2019] [Accepted: 09/09/2019] [Indexed: 12/12/2022]
Abstract
Acute kidney injury (AKI) is a heterogeneous group of critical disease conditions with high incidence and mortality. Vasoconstriction, oxidative stress, apoptosis, and inflammation are generally thought to be the main pathogenic mechanisms of AKI. Ferroptosis is a type of iron-dependent nonapoptotic cell death characterized by membrane lipid peroxide accumulation and polyunsaturated fatty acid consumption, and it plays essential roles in many diseases, including cancers and neurologic diseases. Recent studies have revealed an emerging role of ferroptosis in the pathophysiological processes of AKI. Here, in the present review, we summarized the most recent discoveries on the role of ferroptosis in the pathogenesis of AKI as well as its therapeutic potential in AKI.
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58
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Abdelbary M, Rafikova O, Gillis EE, Musall JB, Baban B, O'Connor PM, Brands MW, Sullivan JC. Necrosis Contributes to the Development of Hypertension in Male, but Not Female, Spontaneously Hypertensive Rats. Hypertension 2019; 74:1524-1531. [PMID: 31656095 DOI: 10.1161/hypertensionaha.119.13477] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Necrosis is a pathological form of cell death that induces an inflammatory response, and immune cell activation contributes to the development and maintenance of hypertension. Necrosis was measured in kidney, spleen, and aorta of 12- to 13-week-old male and female SHRs (spontaneously hypertensive rats); male SHRs had greater renal necrotic cell death than female SHRs. Because male SHRs have a higher blood pressure (BP) and a more proinflammatory T-cell profile than female SHRs, the current studies tested the hypothesis that greater necrotic cell death in male SHRs exacerbates increases in BP and contributes to the proinflammatory T-cell profile. Male and female SHRs were randomized to receive vehicle or Necrox-5-a cell permeable inhibitor of necrosis-from 6 to 12 weeks of age or from 11 to 13 weeks of age. In both studies, Necrox-5 decreased renal necrosis and abolished the sex difference. Treatment with Necrox-5 beginning at 6 weeks of age attenuated maturation-induced increases in BP in male SHR; BP in female SHR was not altered by Necrox-5 treatment. Necrox-5 decreased proinflammatory renal T cells in both sexes, although sex differences were maintained. Administration of Necrox-5 for 2 weeks in SHR with established hypertension resulted in a small but significant decrease in BP in males with no effect in females. These results suggest that greater necrotic cell death in male SHR exacerbates maturation-induced increases in BP with age contributing to sex differences in BP. Moreover, although necrosis is proinflammatory, it is unlikely to explain sex differences in the renal T-cell profile.
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Affiliation(s)
- Mahmoud Abdelbary
- From the Department of Physiology, Medical College of Georgia (M.A., O.R., E.E.G., J.B.M., P.O., M.W.B., J.C.S.), Augusta University
| | - Olga Rafikova
- From the Department of Physiology, Medical College of Georgia (M.A., O.R., E.E.G., J.B.M., P.O., M.W.B., J.C.S.), Augusta University
| | - Ellen E Gillis
- From the Department of Physiology, Medical College of Georgia (M.A., O.R., E.E.G., J.B.M., P.O., M.W.B., J.C.S.), Augusta University
| | - Jacqueline B Musall
- From the Department of Physiology, Medical College of Georgia (M.A., O.R., E.E.G., J.B.M., P.O., M.W.B., J.C.S.), Augusta University
| | - Babak Baban
- Department of Oral Biology (B.B.), Augusta University
| | - Paul M O'Connor
- From the Department of Physiology, Medical College of Georgia (M.A., O.R., E.E.G., J.B.M., P.O., M.W.B., J.C.S.), Augusta University
| | - Michael W Brands
- From the Department of Physiology, Medical College of Georgia (M.A., O.R., E.E.G., J.B.M., P.O., M.W.B., J.C.S.), Augusta University
| | - Jennifer C Sullivan
- From the Department of Physiology, Medical College of Georgia (M.A., O.R., E.E.G., J.B.M., P.O., M.W.B., J.C.S.), Augusta University
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59
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Wimmer K, Sachet M, Oehler R. Circulating biomarkers of cell death. Clin Chim Acta 2019; 500:87-97. [PMID: 31655053 DOI: 10.1016/j.cca.2019.10.003] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2019] [Revised: 10/02/2019] [Accepted: 10/03/2019] [Indexed: 12/15/2022]
Abstract
Numerous disease states are associated with cell death. For many decades, apoptosis and accidental necrosis have been assumed to be the two ways how a cell can die. The recent discovery of additional cell death processes such as necroptosis, ferroptosis or pyroptosis revealed a complex interplay between cell death mechanisms and diseases. Depending on the particular cell death pathway, cells secrete distinct molecular patterns, which differ between cell death types. This review focusses on released molecules, detectable in the blood flow, and their potential role as circulating biomarkers of cell death. We elucidate the molecular background of different biomarkers and give an overview on their correlation with disease stage, therapy response and prognosis in patients.
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Affiliation(s)
- Kerstin Wimmer
- Department of Surgery and Comprehensive Cancer Center, Medical University of Vienna, Waehringer Guertel 18-20, 1090 Vienna, Austria
| | - Monika Sachet
- Department of Surgery and Comprehensive Cancer Center, Medical University of Vienna, Waehringer Guertel 18-20, 1090 Vienna, Austria
| | - Rudolf Oehler
- Department of Surgery and Comprehensive Cancer Center, Medical University of Vienna, Waehringer Guertel 18-20, 1090 Vienna, Austria.
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60
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Exquisite sensitivity of adrenocortical carcinomas to induction of ferroptosis. Proc Natl Acad Sci U S A 2019; 116:22269-22274. [PMID: 31611400 DOI: 10.1073/pnas.1912700116] [Citation(s) in RCA: 79] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Adrenocortical carcinomas (ACCs) are rare and highly malignant cancers associated with poor survival of patients. Currently, mitotane, a nonspecific derivative of the pesticide DDT (1,1-(dichlorobiphenyl)-2,2-dichloroethane), is used as the standard treatment, but its mechanism of action in ACCs remains elusive. Here we demonstrate that the human ACC NCI-H295R cell line is remarkably sensitive to induction of ferroptosis, while mitotane does not induce this iron-dependent mode of regulated necrosis. Supplementation with insulin, transferrin, and selenium (ITS) is commonly used to keep NCI-H295R cells in cell culture. We show that this supplementation prevents spontaneous ferroptosis, especially when it contains polyunsaturated fatty acids (PUFAs), such as linoleic acid. Inhibitors of apoptosis (zVAD, emricasan) do not prevent the mitotane-induced cell death but morphologically prevent membrane blebbing. The expression of glutathione peroxidase 4 (GPX4) in H295R cells, however, is significantly higher when compared to HT1080 fibrosarcoma cells, suggesting a role for ferroptosis. Direct inhibition of GPX4 in H295R cells led to high necrotic populations compared to control, while cotreatment with ferrostatin-1 (Fer-1) completely reverted ferroptosis. Interestingly, the analysis of public databases revealed that several key players of the ferroptosis pathway are hypermethylated and/or mutated in human ACCs. Finally, we also detected that growth hormone-releasing hormone (GHRH) antagonists, such as MIA602, kill H295R cells in a nonapoptotic manner. In summary, we found elevated expression of GPX4 and higher sensitivity to ferroptosis in ACCs. We hypothesize that instead of treatment with mitotane, human adrenocortical carcinomas may be much more sensitive to induction of ferroptosis.
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61
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The necroptosis machinery mediates axonal degeneration in a model of Parkinson disease. Cell Death Differ 2019; 27:1169-1185. [PMID: 31591470 DOI: 10.1038/s41418-019-0408-4] [Citation(s) in RCA: 63] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2019] [Revised: 07/14/2019] [Accepted: 08/06/2019] [Indexed: 11/09/2022] Open
Abstract
Parkinson's disease (PD) is the second most common neurodegenerative condition, characterized by motor impairment due to the progressive degeneration of dopaminergic neurons in the substantia nigra and depletion of dopamine release in the striatum. Accumulating evidence suggest that degeneration of axons is an early event in the disease, involving destruction programs that are independent of the survival of the cell soma. Necroptosis, a programmed cell death process, is emerging as a mediator of neuronal loss in models of neurodegenerative diseases. Here, we demonstrate activation of necroptosis in postmortem brain tissue from PD patients and in a toxin-based mouse model of the disease. Inhibition of key components of the necroptotic pathway resulted in a significant delay of 6-hydroxydopamine-dependent axonal degeneration of dopaminergic and cortical neurons in vitro. Genetic ablation of necroptosis mediators MLKL and RIPK3, as well as pharmacological inhibition of RIPK1 in preclinical models of PD, decreased dopaminergic neuron degeneration, improving motor performance. Together, these findings suggest that axonal degeneration in PD is mediated by the necroptosis machinery, a process here referred to as necroaxoptosis, a druggable pathway to target dopaminergic neuronal loss.
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62
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She L, Tu H, Zhang YZ, Tang LJ, Li NS, Ma QL, Liu B, Li Q, Luo XJ, Peng J. Inhibition of Phosphoglycerate Mutase 5 Reduces Necroptosis in Rat Hearts Following Ischemia/Reperfusion Through Suppression of Dynamin-Related Protein 1. Cardiovasc Drugs Ther 2019; 33:13-23. [PMID: 30637549 DOI: 10.1007/s10557-018-06848-8] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
PURPOSE Necroptosis is an important form of cell death following myocardial ischemia/reperfusion (I/R) and phosphoglycerate mutase 5 (PGAM5) functions as the convergent point for multiple necrosis pathways. This study aims to investigate whether inhibition of PGAM5 could reduce I/R-induced myocardial necroptosis and the underlying mechanisms. METHODS The SD rat hearts (or H9c2 cells) were subjected to 1-h ischemia (or 10-h hypoxia) plus 3-h reperfusion (or 4-h reoxygenation) to establish the I/R (or H/R) injury model. The myocardial injury was assessed by the methods of biochemistry, H&E (hematoxylin and eosin), and PI/DAPI (propidium iodide/4',6-diamidino-2-phenylindole) staining, respectively. Drug interventions or gene knockdown was used to verify the role of PGAM5 in I/R (or H/R)-induced myocardial necroptosis and possible mechanisms. RESULTS The I/R-treated heart showed the injuries (increase in infarct size and creatine kinase release), upregulation of PGAM5, dynamin-related protein 1 (Drp1), p-Drp1-S616, and necroptosis-relevant proteins (RIPK1/RIPK3, receptor-interacting protein kinase 1/3; MLKL, mixed lineage kinase domain-like); these phenomena were attenuated by inhibition of PGAM5 or RIPK1. In H9c2 cells, H/R treatment elevated the levels of PGAM5, RIPK1, RIPK3, MLKL, Drp1, and p-Drp1-S616 and induced mitochondrial dysfunctions (elevation in mitochondrial membrane potential and ROS level) and cellular necrosis (increase in LDH release and the ratio of PI+/DAPI+ cells); these effects were blocked by inhibition or knockdown of PGAM5. CONCLUSIONS Inhibition of PGAM5 can reduce necroptosis in I/R-treated rat hearts through suppression of Drp1; there is a positive feedback between RIPK1 and PGAM5, and PGAM5 might serve as a novel therapeutic target for prevention of myocardial I/R injury.
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Affiliation(s)
- Lang She
- Department of Pharmacology, Xiangya School of Pharmaceutical Sciences, Central South University, No.110 Xiangya Road, Changsha, 410078, China
| | - Hua Tu
- Department of Pharmacology, Xiangya School of Pharmaceutical Sciences, Central South University, No.110 Xiangya Road, Changsha, 410078, China
| | - Yin-Zhuang Zhang
- Department of Cardiovascular Medicine, Xiangya Hospital, Central South University, Changsha, 410008, China
| | - Li-Jing Tang
- Department of Pharmacology, Xiangya School of Pharmaceutical Sciences, Central South University, No.110 Xiangya Road, Changsha, 410078, China
| | - Nian-Sheng Li
- Department of Pharmacology, Xiangya School of Pharmaceutical Sciences, Central South University, No.110 Xiangya Road, Changsha, 410078, China.,Department of Laboratory Medicine, Xiangya Third Hospital, Central South University, Changsha, 410013, China
| | - Qi-Lin Ma
- Department of Cardiovascular Medicine, Xiangya Hospital, Central South University, Changsha, 410008, China
| | - Bin Liu
- Hunan Provincial Key Laboratory of Cardiovascular Research, Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, 410078, China
| | - Qingjie Li
- Department of Internal Medicine, The University of Texas Medical Branch at Galveston, Galveston, TX, 77555-1083, USA
| | - Xiu-Ju Luo
- Department of Laboratory Medicine, Xiangya Third Hospital, Central South University, Changsha, 410013, China.
| | - Jun Peng
- Department of Pharmacology, Xiangya School of Pharmaceutical Sciences, Central South University, No.110 Xiangya Road, Changsha, 410078, China. .,Hunan Provincial Key Laboratory of Cardiovascular Research, Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, 410078, China.
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Xue Z, Xi Q, Liu H, Guo X, Zhang J, Zhang Z, Li Y, Yang G, Zhou D, Yang H, Zhang L, Zhang Q, Gu C, Yang J, Da Y, Yao Z, Duo S, Zhang R. miR-21 promotes NLRP3 inflammasome activation to mediate pyroptosis and endotoxic shock. Cell Death Dis 2019; 10:461. [PMID: 31189875 PMCID: PMC6561921 DOI: 10.1038/s41419-019-1713-z] [Citation(s) in RCA: 89] [Impact Index Per Article: 17.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2019] [Revised: 05/23/2019] [Accepted: 05/30/2019] [Indexed: 12/13/2022]
Abstract
miR-21 is aberrantly expressed, and plays a role in various types of tumors and many other diseases. However, the mechanism of miR-21 in LPS-induced septic shock is still unclear. In this study, we investigated the mechanism of miR-21 in LPS-induced pyroptosis and septic shock. Here, we show that miR-21 deficiency inhibited NLRP3, ASC, and caspase-1 expression, as well as inflammasome activation in myeloid cells from both mice and humans. We found that the NF-κB pathway was regulated by miR-21, and that A20 was a direct target of miR-21. Furthermore, miR-21 deficiency inhibited the ASC pyroptosome, which restrained caspase-1 activation and GSDMD cleavage, thereby preventing LPS-induced pyroptosis and septic shock. miR-21 deficiency resulted in an increase in A20, which led to decreased IL-1β production and caspase-1 activation. Caspase-1-mediated GSDMD cleavage was consequently decreased, which prevented pyroptosis in LPS-induced sepsis in mice. Our results demonstrate that miR-21 is a critical positive regulator of the NF-κB pathway and NLRP3 inflammasomes in pyroptosis and septic shock via A20. In addition, by analyzing published miRNA expression profiles in the Gene Expression Omnibus database, we found that the miR-21 levels in peripheral blood from patients with septic shock were elevated. Thus, miR-21 may serve as a potential treatment target in patients with septic shock.
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Affiliation(s)
- Zhenyi Xue
- Laboratory of Immunology and Inflammation, Department of Immunology, Key Laboratory of Immune Microenvironment and Diseases of Educational Ministry of China, Tianjin Key Laboratory of Cellular and Molecular Immunology, Tianjin Medical University, 300070, Tianjin, China
| | - Qing Xi
- Laboratory of Immunology and Inflammation, Department of Immunology, Key Laboratory of Immune Microenvironment and Diseases of Educational Ministry of China, Tianjin Key Laboratory of Cellular and Molecular Immunology, Tianjin Medical University, 300070, Tianjin, China
| | - Hongkun Liu
- Laboratory of Immunology and Inflammation, Department of Immunology, Key Laboratory of Immune Microenvironment and Diseases of Educational Ministry of China, Tianjin Key Laboratory of Cellular and Molecular Immunology, Tianjin Medical University, 300070, Tianjin, China
| | - Xiangdong Guo
- Laboratory of Immunology and Inflammation, Department of Immunology, Key Laboratory of Immune Microenvironment and Diseases of Educational Ministry of China, Tianjin Key Laboratory of Cellular and Molecular Immunology, Tianjin Medical University, 300070, Tianjin, China
| | - Jieyou Zhang
- Laboratory of Immunology and Inflammation, Department of Immunology, Key Laboratory of Immune Microenvironment and Diseases of Educational Ministry of China, Tianjin Key Laboratory of Cellular and Molecular Immunology, Tianjin Medical University, 300070, Tianjin, China
| | - Zimu Zhang
- Laboratory of Immunology and Inflammation, Department of Immunology, Key Laboratory of Immune Microenvironment and Diseases of Educational Ministry of China, Tianjin Key Laboratory of Cellular and Molecular Immunology, Tianjin Medical University, 300070, Tianjin, China
| | - Yan Li
- Laboratory of Immunology and Inflammation, Department of Immunology, Key Laboratory of Immune Microenvironment and Diseases of Educational Ministry of China, Tianjin Key Laboratory of Cellular and Molecular Immunology, Tianjin Medical University, 300070, Tianjin, China
| | - Guangze Yang
- Laboratory of Immunology and Inflammation, Department of Immunology, Key Laboratory of Immune Microenvironment and Diseases of Educational Ministry of China, Tianjin Key Laboratory of Cellular and Molecular Immunology, Tianjin Medical University, 300070, Tianjin, China
| | - Dongmei Zhou
- Laboratory of Immunology and Inflammation, Department of Immunology, Key Laboratory of Immune Microenvironment and Diseases of Educational Ministry of China, Tianjin Key Laboratory of Cellular and Molecular Immunology, Tianjin Medical University, 300070, Tianjin, China
| | - Huiyun Yang
- Laboratory of Immunology and Inflammation, Department of Immunology, Key Laboratory of Immune Microenvironment and Diseases of Educational Ministry of China, Tianjin Key Laboratory of Cellular and Molecular Immunology, Tianjin Medical University, 300070, Tianjin, China
| | - Lijuan Zhang
- Laboratory of Immunology and Inflammation, Department of Immunology, Key Laboratory of Immune Microenvironment and Diseases of Educational Ministry of China, Tianjin Key Laboratory of Cellular and Molecular Immunology, Tianjin Medical University, 300070, Tianjin, China
| | - Qi Zhang
- Institute of Integrative Medicines for Acute Abdominal Diseases, Nankai Hospital, Tianjin, China
| | - Chao Gu
- Department of Genetics, School of Basic Medical Sciences, Tianjin Medical University, Tianjin, China
| | - Juhong Yang
- Metabolic Disease Hospital & Tianjin Institute of Endocrinology, Tianjin Medical University, 300070, Tianjin, China
| | - Yurong Da
- Laboratory of Immunology and Inflammation, Department of Immunology, Key Laboratory of Immune Microenvironment and Diseases of Educational Ministry of China, Tianjin Key Laboratory of Cellular and Molecular Immunology, Tianjin Medical University, 300070, Tianjin, China.
| | - Zhi Yao
- Laboratory of Immunology and Inflammation, Department of Immunology, Key Laboratory of Immune Microenvironment and Diseases of Educational Ministry of China, Tianjin Key Laboratory of Cellular and Molecular Immunology, Tianjin Medical University, 300070, Tianjin, China
| | - Shuguang Duo
- Institute of Zoology, Chinese Academy of Sciences, 100101, Beijing, China.
| | - Rongxin Zhang
- Laboratory of Immunology and Inflammation, Department of Immunology, Key Laboratory of Immune Microenvironment and Diseases of Educational Ministry of China, Tianjin Key Laboratory of Cellular and Molecular Immunology, Tianjin Medical University, 300070, Tianjin, China. .,Guangdong Province Key Laboratory for Biotechnology Drug Candidates, School of Life Sciences and Biopharmaceutics, Guangdong Pharmaceutical University, Guangzhou, China.
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Ligustroflavone reduces necroptosis in rat brain after ischemic stroke through targeting RIPK1/RIPK3/MLKL pathway. Naunyn Schmiedebergs Arch Pharmacol 2019; 392:1085-1095. [PMID: 31055628 DOI: 10.1007/s00210-019-01656-9] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2018] [Accepted: 04/16/2019] [Indexed: 12/11/2022]
Abstract
Receptor-interacting protein kinase 1/3 (RIPK1/3) and mixed lineage kinase domain-like (MLKL)-mediated necroptosis contributes to brain injury after ischemic stroke. Ligustroflavone is an ingredient of common privet with activities of anti-inflammation and complement inhibition. This study aims to explore the effect of ligustroflavone on ischemic brain injury in stroke rat and the underlying mechanisms. A rat model of ischemic stroke was established by middle cerebral artery occlusion (MCAO), which showed ischemic injury (increase in neurological deficit score and infarct volume) and upregulation of necroptosis-associated proteins (RIPK1, RIPK3 and MLKL/p-MLKL). Administration of ligustroflavone (30 mg/kg, i.g.) 15 min before ischemia evidently improved neurological function, reduced infarct volume, and decreased the levels of necroptosis-associated proteins except the RIPK1. Consistently, hypoxia-cultured PC12 cells (O2/N2/CO2, 1:94:5, 8 h) caused cellular injury (LDH release and necroposis) concomitant with up-regulation of necroptosis-associated proteins, and these phenomena were blocked in the presence of ligustroflavone (25 μM) except the elevated RIPK1 levels. Using the Molecular Operating Environment (MOE) program, we identified RIPK1, RIPK3, and MLKL as potential targets of ligustroflavone. Further studies showed that the interaction between RIPK3 and RIPK1 or MLKL was significantly enhanced, which was blocked in the presence of ligustroflavone. Based on these observations, we conclude that ligustroflavone protects rat brain from ischemic injury, and its beneficial effect is related to the prevention of necroptosis through a mechanism involving targeting RIPK1, RIPK3, and/or MLKL.
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Aljabri A, Vijayan V, Stankov M, Nikolin C, Figueiredo C, Blasczyk R, Becker JU, Linkermann A, Immenschuh S. HLA class II antibodies induce necrotic cell death in human endothelial cells via a lysosomal membrane permeabilization-mediated pathway. Cell Death Dis 2019; 10:235. [PMID: 30850581 PMCID: PMC6408495 DOI: 10.1038/s41419-019-1319-5] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2018] [Revised: 11/30/2018] [Accepted: 12/06/2018] [Indexed: 12/16/2022]
Abstract
Antibody-mediated rejection (AMR) is the major cause of allograft loss after solid organ transplantation. Circulating donor-specific antibodies against human leukocyte antigen (HLA), in particular HLA class II antibodies are critical for the pathogenesis of AMR via interactions with endothelial cells (ECs). To investigate the effects of HLA class II antibody ligation to the graft endothelium, a model of HLA-DR antibody-dependent stimulation was utilized in primary human ECs. Antibody ligation of HLA class II molecules in interferon-γ-treated ECs caused necrotic cell death without complement via a pathway that was independent of apoptosis and necroptosis. HLA-DR-mediated cell death was blocked by specific neutralization of antibody ligation with recombinant HLA class II protein and by lentiviral knockdown of HLA-DR in ECs. Importantly, HLA class II-mediated cytotoxicity was also induced by relevant native allele-specific antibodies from human allosera. Necrosis of ECs in response to HLA-DR ligation was mediated via hyperactivation of lysosomes, lysosomal membrane permeabilization (LMP), and release of cathepsins. Notably, LMP was caused by reorganization of the actin cytoskeleton. This was indicated by the finding that LMP and actin stress fiber formation by HLA-DR antibodies were both downregulated by the actin polymerization inhibitor cytochalasin D and inhibition of Rho GTPases, respectively. Finally, HLA-DR-dependent actin stress fiber formation and LMP led to mitochondrial stress, which was revealed by decreased mitochondrial membrane potential and generation of reactive oxygen species in ECs. Taken together, ligation of HLA class II antibodies to ECs induces necrotic cell death independent of apoptosis and necroptosis via a LMP-mediated pathway. These findings may enable novel therapeutic approaches for the treatment of AMR in solid organ transplantation.
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Affiliation(s)
- Abid Aljabri
- Institute for Transfusion Medicine, Hannover Medical School, Hannover, Germany.,King Saud Medical City, Riyadh, Saudi Arabia
| | - Vijith Vijayan
- Institute for Transfusion Medicine, Hannover Medical School, Hannover, Germany
| | - Metodi Stankov
- Department for Clinical Immunology and Rheumatology, Hannover Medical School, Hannover, Germany
| | - Christoph Nikolin
- Institute for Transfusion Medicine, Hannover Medical School, Hannover, Germany
| | | | - Rainer Blasczyk
- Institute for Transfusion Medicine, Hannover Medical School, Hannover, Germany
| | | | - Andreas Linkermann
- Department of Internal Medicine III, Division of Nephrology, University Carl Gustav Carus, Dresden, Germany
| | - Stephan Immenschuh
- Institute for Transfusion Medicine, Hannover Medical School, Hannover, Germany.
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66
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Axonal Degeneration Is Mediated by Necroptosis Activation. J Neurosci 2019; 39:3832-3844. [PMID: 30850513 DOI: 10.1523/jneurosci.0881-18.2019] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2018] [Revised: 02/01/2019] [Accepted: 02/14/2019] [Indexed: 01/22/2023] Open
Abstract
Axonal degeneration, which contributes to functional impairment in several disorders of the nervous system, is an important target for neuroprotection. Several individual factors and subcellular events have been implicated in axonal degeneration, but researchers have so far been unable to identify an integrative signaling pathway activating this self-destructive process. Through pharmacological and genetic approaches, we tested whether necroptosis, a regulated cell-death mechanism implicated in the pathogenesis of several neurodegenerative diseases, is involved in axonal degeneration. Pharmacological inhibition of the necroptotic kinase RIPK1 using necrostatin-1 strongly delayed axonal degeneration in the peripheral nervous system and CNS of wild-type mice of either sex and protected in vitro sensory axons from degeneration after mechanical and toxic insults. These effects were also observed after genetic knock-down of RIPK3, a second key regulator of necroptosis, and the downstream effector MLKL (Mixed Lineage Kinase Domain-Like). RIPK1 inhibition prevented mitochondrial fragmentation in vitro and in vivo, a typical feature of necrotic death, and inhibition of mitochondrial fission by Mdivi also resulted in reduced axonal loss in damaged nerves. Furthermore, electrophysiological analysis demonstrated that inhibition of necroptosis delays not only the morphological degeneration of axons, but also the loss of their electrophysiological function after nerve injury. Activation of the necroptotic pathway early during injury-induced axonal degeneration was made evident by increased phosphorylation of the downstream effector MLKL. Our results demonstrate that axonal degeneration proceeds by necroptosis, thus defining a novel mechanistic framework in the axonal degenerative cascade for therapeutic interventions in a wide variety of conditions that lead to neuronal loss and functional impairment.SIGNIFICANCE STATEMENT We show that axonal degeneration triggered by diverse stimuli is mediated by the activation of the necroptotic programmed cell-death program by a cell-autonomous mechanism. This work represents a critical advance for the field since it identifies a defined degenerative pathway involved in axonal degeneration in both the peripheral nervous system and the CNS, a process that has been proposed as an early event in several neurodegenerative conditions and a major contributor to neuronal death. The identification of necroptosis as a key mechanism for axonal degeneration is an important step toward the development of novel therapeutic strategies for nervous-system disorders, particularly those related to chemotherapy-induced peripheral neuropathies or CNS diseases in which axonal degeneration is a common factor.
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67
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Pefanis A, Ierino FL, Murphy JM, Cowan PJ. Regulated necrosis in kidney ischemia-reperfusion injury. Kidney Int 2019; 96:291-301. [PMID: 31005270 DOI: 10.1016/j.kint.2019.02.009] [Citation(s) in RCA: 202] [Impact Index Per Article: 40.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2018] [Revised: 01/24/2019] [Accepted: 02/15/2019] [Indexed: 01/18/2023]
Abstract
Ischemia-reperfusion injury (IRI) is the outcome of an inflammatory process that is triggered when an organ undergoes a transient reduction or cessation of blood flow, followed by re-establishment of perfusion. In the clinical setting, IRI contributes to significant acute kidney injury, patient morbidity and mortality, and adverse outcomes in transplantation. Tubular cell death by necrosis and apoptosis is a central feature of renal IRI. Recent research has challenged traditional views of cell death by identifying new pathways in which cells die in a regulated manner but with the morphologic features of necrosis. This regulated necrosis (RN) takes several forms, with necroptosis and ferroptosis being the best described. The precise mechanisms and relationships between the RN pathways in renal IRI are currently the subject of active research. The common endpoint of RN is cell membrane rupture, resulting in the release of cytosolic components with subsequent inflammation and activation of the immune system. We review the evidence and mechanisms of RN in the kidney following renal IRI, and discuss the use of small molecule inhibitors and genetically modified mice to better understand this process and guide potentially novel therapeutic interventions.
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Affiliation(s)
- Aspasia Pefanis
- Immunology Research Centre, St. Vincent's Hospital Melbourne, Fitzroy, Australia; Department of Medicine, University of Melbourne, Melbourne, Australia
| | - Francesco L Ierino
- Department of Medicine, University of Melbourne, Melbourne, Australia; Department of Nephrology, St. Vincent's Hospital Melbourne, Fitzroy, Australia
| | - James M Murphy
- The Walter and Eliza Hall Institute of Medical Research, Parkville, Australia; Department of Medical Biology, The University of Melbourne, Parkville, Australia
| | - Peter J Cowan
- Immunology Research Centre, St. Vincent's Hospital Melbourne, Fitzroy, Australia; Department of Medicine, University of Melbourne, Melbourne, Australia.
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68
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Kenny EM, Fidan E, Yang Q, Anthonymuthu TS, New LA, Meyer EA, Wang H, Kochanek PM, Dixon CE, Kagan VE, Bayır H. Ferroptosis Contributes to Neuronal Death and Functional Outcome After Traumatic Brain Injury. Crit Care Med 2019; 47:410-418. [PMID: 30531185 PMCID: PMC6449247 DOI: 10.1097/ccm.0000000000003555] [Citation(s) in RCA: 185] [Impact Index Per Article: 37.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
OBJECTIVES Traumatic brain injury triggers multiple cell death pathways, possibly including ferroptosis-a recently described cell death pathway that results from accumulation of 15-lipoxygenase-mediated lipid oxidation products, specifically oxidized phosphatidylethanolamine containing arachidonic or adrenic acid. This study aimed to investigate whether ferroptosis contributed to the pathogenesis of in vitro and in vivo traumatic brain injury, and whether inhibition of 15-lipoxygenase provided neuroprotection. DESIGN Cell culture study and randomized controlled animal study. SETTING University research laboratory. SUBJECTS HT22 neuronal cell line and adult male C57BL/6 mice. INTERVENTIONS HT22 cells were subjected to pharmacologic induction of ferroptosis or mechanical stretch injury with and without administration of inhibitors of ferroptosis. Mice were subjected to sham or controlled cortical impact injury. Injured mice were randomized to receive vehicle or baicalein (12/15-lipoxygenase inhibitor) at 10-15 minutes postinjury. MEASUREMENTS AND MAIN RESULTS Pharmacologic inducers of ferroptosis and mechanical stretch injury resulted in cell death that was rescued by prototypical antiferroptotic agents including baicalein. Liquid chromatography tandem-mass spectrometry revealed the abundance of arachidonic/adrenic-phosphatidylethanolamine compared with other arachidonic/adrenic acid-containing phospholipids in the brain. Controlled cortical impact resulted in accumulation of oxidized phosphatidylethanolamine, increased expression of 15-lipoxygenase and acyl-CoA synthetase long-chain family member 4 (enzyme that generates substrate for the esterification of arachidonic/adrenic acid into phosphatidylethanolamine), and depletion of glutathione in the ipsilateral cortex. Postinjury administration of baicalein attenuated oxidation of arachidonic/adrenic acid-containing-phosphatidylethanolamine, decreased the number of terminal deoxynucleotidyl transferase dUTP nick-end labeling positive cells in the hippocampus, and improved spatial memory acquisition versus vehicle. CONCLUSIONS Biomarkers of ferroptotic death were increased after traumatic brain injury. Baicalein decreased ferroptotic phosphatidylethanolamine oxidation and improved outcome after controlled cortical impact, suggesting that 15-lipoxygenase pathway might be a valuable therapeutic target after traumatic brain injury.
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Affiliation(s)
- Elizabeth M. Kenny
- Department of Critical Care Medicine, School of Medicine, University of Pittsburgh, Pittsburgh, PA, 15213
- Safar Center for Resuscitation Research, University of Pittsburgh, Pittsburgh, PA, 15213
- Center for Free Radical and Antioxidant Health, University of Pittsburgh, Pittsburgh, PA, 15213
| | - Emin Fidan
- Department of Critical Care Medicine, School of Medicine, University of Pittsburgh, Pittsburgh, PA, 15213
- Safar Center for Resuscitation Research, University of Pittsburgh, Pittsburgh, PA, 15213
- Center for Free Radical and Antioxidant Health, University of Pittsburgh, Pittsburgh, PA, 15213
| | - Qin Yang
- Department of Critical Care Medicine, School of Medicine, University of Pittsburgh, Pittsburgh, PA, 15213
- Safar Center for Resuscitation Research, University of Pittsburgh, Pittsburgh, PA, 15213
- Center for Free Radical and Antioxidant Health, University of Pittsburgh, Pittsburgh, PA, 15213
| | - Tamil S. Anthonymuthu
- Department of Critical Care Medicine, School of Medicine, University of Pittsburgh, Pittsburgh, PA, 15213
- Safar Center for Resuscitation Research, University of Pittsburgh, Pittsburgh, PA, 15213
- Center for Free Radical and Antioxidant Health, University of Pittsburgh, Pittsburgh, PA, 15213
| | - Lee Ann New
- Department of Critical Care Medicine, School of Medicine, University of Pittsburgh, Pittsburgh, PA, 15213
- Safar Center for Resuscitation Research, University of Pittsburgh, Pittsburgh, PA, 15213
| | - Elizabeth A. Meyer
- Department of Critical Care Medicine, School of Medicine, University of Pittsburgh, Pittsburgh, PA, 15213
- Safar Center for Resuscitation Research, University of Pittsburgh, Pittsburgh, PA, 15213
| | - Hong Wang
- Department of Biostatistics, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, PA, 15213
| | - Patrick M. Kochanek
- Safar Center for Resuscitation Research, University of Pittsburgh, Pittsburgh, PA, 15213
| | - C. Edward Dixon
- Safar Center for Resuscitation Research, University of Pittsburgh, Pittsburgh, PA, 15213
- Department of Neurosurgery, School of Medicine, University of Pittsburgh, Pittsburgh, PA, 15213
| | - Valerian E. Kagan
- Center for Free Radical and Antioxidant Health, University of Pittsburgh, Pittsburgh, PA, 15213
- Department of Environmental and Occupational Health, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, PA, 15213
| | - Hülya Bayır
- Department of Critical Care Medicine, School of Medicine, University of Pittsburgh, Pittsburgh, PA, 15213
- Safar Center for Resuscitation Research, University of Pittsburgh, Pittsburgh, PA, 15213
- Center for Free Radical and Antioxidant Health, University of Pittsburgh, Pittsburgh, PA, 15213
- Department of Environmental and Occupational Health, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, PA, 15213
- Children’s Hospital of Pittsburgh of UPMC, University of Pittsburgh, Pittsburgh, PA, 15213
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Tonnus W, Meyer C, Paliege A, Belavgeni A, von Mässenhausen A, Bornstein SR, Hugo C, Becker JU, Linkermann A. The pathological features of regulated necrosis. J Pathol 2019; 247:697-707. [PMID: 30714148 DOI: 10.1002/path.5248] [Citation(s) in RCA: 112] [Impact Index Per Article: 22.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2018] [Revised: 01/10/2019] [Accepted: 01/13/2019] [Indexed: 12/13/2022]
Abstract
Necrosis of a cell is defined by the loss of its plasma membrane integrity. Morphologically, necrosis occurs in several forms such as coagulative necrosis, colliquative necrosis, caseating necrosis, fibrinoid necrosis, and others. Biochemically, necrosis was demonstrated to represent a number of genetically determined signalling pathways. These include (i) kinase-mediated necroptosis, which depends on receptor interacting protein kinase 3 (RIPK3)-mediated phosphorylation of the pseudokinase mixed lineage kinase domain like (MLKL); (ii) gasdermin-mediated necrosis downstream of inflammasomes, also referred to as pyroptosis; and (iii) an iron-catalysed mechanism of highly specific lipid peroxidation named ferroptosis. Given the molecular understanding of the nature of these pathways, specific antibodies may allow direct detection of regulated necrosis and correlation with morphological features. Necroptosis can be specifically detected by immunohistochemistry and immunofluorescence employing antibodies to phosphorylated MLKL. Likewise, it is possible to generate cleavage-specific antibodies against epitopes in gasdermin protein family members. In ferroptosis, however, specific detection requires quantification of oxidative lipids by mass spectrometry (oxylipidomics). Together with classical cell death markers, such as TUNEL staining and detection of cleaved caspase-3 in apoptotic cells, the extension of the arsenal of necrosis markers will allow pathological detection of specific molecular pathways rather than isolated morphological descriptions. These novel pieces of information will be extraordinarily helpful for clinicians as inhibitors of necroptosis (necrostatins), ferroptosis (ferrostatins), and inflammasomes have emerged in clinical trials. Anatomical pathologists should embrace these novel ancillary tests and the concepts behind them and test their impact on diagnostic precision, prognostication, and the prediction of response to the upcoming anti-necrotic therapies. Copyright © 2019 Pathological Society of Great Britain and Ireland. Published by John Wiley & Sons, Ltd.
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Affiliation(s)
- Wulf Tonnus
- Division of Nephrology, Department of Internal Medicine III, University Hospital Carl Gustav Carus at the Technische Universität Dresden, Dresden, Germany
| | - Claudia Meyer
- Division of Nephrology, Department of Internal Medicine III, University Hospital Carl Gustav Carus at the Technische Universität Dresden, Dresden, Germany
| | - Alexander Paliege
- Division of Nephrology, Department of Internal Medicine III, University Hospital Carl Gustav Carus at the Technische Universität Dresden, Dresden, Germany
| | - Alexia Belavgeni
- Division of Nephrology, Department of Internal Medicine III, University Hospital Carl Gustav Carus at the Technische Universität Dresden, Dresden, Germany
| | - Anne von Mässenhausen
- Division of Nephrology, Department of Internal Medicine III, University Hospital Carl Gustav Carus at the Technische Universität Dresden, Dresden, Germany
| | - Stefan R Bornstein
- Department of Internal Medicine III, University Hospital Carl Gustav Carus at the Technische Universität Dresden, Dresden, Germany
| | - Christian Hugo
- Division of Nephrology, Department of Internal Medicine III, University Hospital Carl Gustav Carus at the Technische Universität Dresden, Dresden, Germany
| | - Jan Ulrich Becker
- Institute of Pathology, University Hospital Cologne, Cologne, Germany
| | - Andreas Linkermann
- Division of Nephrology, Department of Internal Medicine III, University Hospital Carl Gustav Carus at the Technische Universität Dresden, Dresden, Germany
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Cell-cell contacts protect against t-BuOOH-induced cellular damage and ferroptosis in vitro. Arch Toxicol 2019; 93:1265-1279. [PMID: 30798349 DOI: 10.1007/s00204-019-02413-w] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2018] [Accepted: 02/13/2019] [Indexed: 02/07/2023]
Abstract
Ferroptosis is a recently discovered pathway of regulated necrosis dependent on iron and lipid peroxidation. It has gained broad attention since it is a promising approach to overcome resistance to apoptosis in cancer chemotherapy. We have recently identified tertiary-butyl hydroperoxide (t-BuOOH) as a novel inducer of ferroptosis. t-BuOOH is a widely used compound to induce oxidative stress in vitro. t-BuOOH induces lipid peroxidation and consequently ferroptosis in murine and human cell lines. t-BuOOH additionally results in a loss of mitochondrial membrane potential, formation of DNA double-strand breaks, and replication block. Here, we specifically address the question whether cell-cell contacts regulate t-BuOOH-induced ferroptosis and cellular damage. To this end, murine NIH3T3 or human HaCaT cells were seeded to confluence, but below their saturation density to allow the establishment of cell-cell contacts without inducing quiescence. Cells were then treated with t-BuOOH (50 or 200 µM, respectively). We revealed that cell-cell contacts reduce basal and t-BuOOH-triggered lipid peroxidation and consequently block ferroptosis. Similar results were obtained with the specific ferroptosis inducer erastin. Cell-cell contacts further protect against t-BuOOH-induced loss of mitochondrial membrane potential, and formation of DNA double-strand breaks. Interestingly, cell-cell contacts failed to prevent t-BuOOH-mediated replication block or formation of the oxidative base lesion 8-oxo-dG. Since evidence of protection against cell death was both (i) observed after treatment with hydrogen peroxide, methyl methanesulfonate or UV-C, and (ii) seen in several cell lines, we conclude that protection by cell-cell contacts is a widespread phenomenon. The impact of cell-cell contacts on toxicity might have important implications in cancer chemotherapy.
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71
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Bergner CG, van der Meer F, Winkler A, Wrzos C, Türkmen M, Valizada E, Fitzner D, Hametner S, Hartmann C, Pfeifenbring S, Stoltenburg-Didinger G, Brück W, Nessler S, Stadelmann C. Microglia damage precedes major myelin breakdown in X-linked adrenoleukodystrophy and metachromatic leukodystrophy. Glia 2019; 67:1196-1209. [PMID: 30980503 PMCID: PMC6594046 DOI: 10.1002/glia.23598] [Citation(s) in RCA: 57] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2018] [Revised: 01/20/2019] [Accepted: 01/21/2019] [Indexed: 12/28/2022]
Abstract
X-linked adrenoleukodystrophy (X-ALD) and metachromatic leukodystrophy (MLD) are two relatively common examples of hereditary demyelinating diseases caused by a dysfunction of peroxisomal or lysosomal lipid degradation. In both conditions, accumulation of nondegraded lipids leads to the destruction of cerebral white matter. Because of their high lipid content, oligodendrocytes are considered key to the pathophysiology of these leukodystrophies. However, the response to allogeneic stem cell transplantation points to the relevance of cells related to the hematopoietic lineage. In the present study, we aimed to better characterize the pathogenetic role of microglia in the above-mentioned diseases. Applying recently established microglia markers to human autopsy cases of X-ALD and MLD we were able to delineate distinct lesion stages in evolving demyelinating lesions. The immune-phenotype of microglia was altered already early in lesion evolution, and microglia loss preceded full-blown myelin degeneration both in X-ALD and MLD. DNA fragmentation indicating phagocyte death was observed in areas showing microglia loss. The morphology and dynamics of phagocyte decay differed between the diseases and between lesion stages, hinting at distinct pathways of programmed cell death. In summary, the present study shows an early and severe damage to microglia in the pathogenesis of X-ALD and MLD. This hints at a central pathophysiologic role of these cells in the diseases and provides evidence for an ongoing transfer of toxic substrates primarily enriched in myelinating cells to microglia.
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Affiliation(s)
- Caroline G Bergner
- Department of Neurology, University Medical Center Göttingen, Göttingen, Germany
| | | | - Anne Winkler
- Department of Neuropathology, University Medical Center Göttingen, Göttingen, Germany
| | - Claudia Wrzos
- Department of Neuropathology, University Medical Center Göttingen, Göttingen, Germany
| | - Mevlude Türkmen
- Department of Neuropathology, University Medical Center Göttingen, Göttingen, Germany.,Department of Cardiology, University Medical Center Göttingen, Göttingen, Germany
| | - Emil Valizada
- Department of Neurology, Hannover Medical School, Hannover, Germany
| | - Dirk Fitzner
- Department of Neurology, University Medical Center Göttingen, Göttingen, Germany
| | - Simon Hametner
- Department of Neuropathology, University Medical Center Göttingen, Göttingen, Germany.,Institute of Neurology, Medical University Vienna, Vienna, Austria
| | - Christian Hartmann
- Institute of Pathology, Section of Neuropathology, Hannover Medical School, Hannover, Germany
| | - Sabine Pfeifenbring
- Department of Neuropathology, University Medical Center Göttingen, Göttingen, Germany
| | | | - Wolfgang Brück
- Department of Neuropathology, University Medical Center Göttingen, Göttingen, Germany
| | - Stefan Nessler
- Department of Neuropathology, University Medical Center Göttingen, Göttingen, Germany
| | - Christine Stadelmann
- Department of Neuropathology, University Medical Center Göttingen, Göttingen, Germany
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72
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Napoletano F, Baron O, Vandenabeele P, Mollereau B, Fanto M. Intersections between Regulated Cell Death and Autophagy. Trends Cell Biol 2019; 29:323-338. [PMID: 30665736 DOI: 10.1016/j.tcb.2018.12.007] [Citation(s) in RCA: 76] [Impact Index Per Article: 15.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2018] [Revised: 12/16/2018] [Accepted: 12/21/2018] [Indexed: 12/17/2022]
Abstract
In multicellular organisms, cell death is an essential aspect of life. Over the past decade, the spectrum of different forms of regulated cell death (RCD) has expanded dramatically with relevance in several pathologies such as inflammatory and neurodegenerative diseases. This has been paralleled by the growing awareness of the central importance of autophagy as a stress response that influences decisions of cell life and cell death. Here, we first introduce criteria and methodologies for correct identification of the different RCD forms. We then discuss how the autophagy machinery is directly associated with specific cell death forms and dissect the complex interactions between autophagy and apoptotic and necrotic cell death. This highlights how the balance of the relationship between other cell death pathways and autophagy presides over life and death in specific cellular contexts.
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Affiliation(s)
- Francesco Napoletano
- Department of Life Sciences, University of Trieste, Via Weiss 2 - Pal. Q, 34128 Trieste, Italy; CIB National Laboratory, Area Science Park, Padriciano 99, 34149, Trieste, Italy
| | - Olga Baron
- Wolfson Centre for Age-Related Disorders, King's College London, Guy's Campus, SE1 1UL, London; Department of Basic and Clinical Neuroscience, King's College London, 125 Coldharbour Lane, SE5 9NU, London, UK
| | - Peter Vandenabeele
- Department of Biomedical Molecular Biology (DBMB), Ghent University, Ghent 9052, Belgium; VIB-UGent Center for Inflammation Research, UGent-VIB, Research Building FSVM, Technologiepark 71, 9052 Ghent, Belgium
| | - Bertrand Mollereau
- Université de Lyon, ENSL, UCBL, CNRS, LBMC, UMS 3444 Biosciences Lyon Gerland, 46 Allée d'Italie, 69007, Lyon, France.
| | - Manolis Fanto
- Department of Basic and Clinical Neuroscience, King's College London, 125 Coldharbour Lane, SE5 9NU, London, UK; Institut du Cerveau et de la Moelle épinière (ICM), 47, bd de l'hôpital, F-75013 Paris, France.
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73
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Kim EH, Wong SW, Martinez J. Programmed Necrosis and Disease:We interrupt your regular programming to bring you necroinflammation. Cell Death Differ 2018; 26:25-40. [PMID: 30349078 DOI: 10.1038/s41418-018-0179-3] [Citation(s) in RCA: 102] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2018] [Revised: 06/25/2018] [Accepted: 07/10/2018] [Indexed: 12/12/2022] Open
Abstract
Compared to the tidy and immunologically silent death during apoptosis, necrosis seems like a chaotic and unorganized demise. However, we now recognize that there is a method to its madness, as many forms of necrotic cell death are indeed programmed and function beyond lytic cell death to support homeostasis and immunity. Inherently more immunogenic than their apoptotic counterpart, programmed necrosis, such as necroptosis, pyroptosis, ferroptosis, and NETosis, releases inflammatory cytokines and danger-associated molecular patterns (DAMPs), skewing the milieu to a pro-inflammatory state. Moreover, impaired clearance of dead cells often leads to inflammation. Importantly, these pathways have all been implicated in inflammatory and autoimmune diseases, therefore careful understanding of their molecular mechanisms can have long lasting effects on how we interpret their role in disease and how we translate these mechanisms into therapy.
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Affiliation(s)
- Eui Ho Kim
- Immunity, Inflammation, and Disease Laboratory, National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, Durham, NC, 27709, USA
| | - Sing-Wai Wong
- Immunity, Inflammation, and Disease Laboratory, National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, Durham, NC, 27709, USA.,Oral and Craniofacial Biomedicine Curriculum, School of Dentistry, University of North Carolina at Chapel Hill, Chapel Hill, NC, 27599, USA
| | - Jennifer Martinez
- Immunity, Inflammation, and Disease Laboratory, National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, Durham, NC, 27709, USA.
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74
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Comparing the effects of different cell death programs in tumor progression and immunotherapy. Cell Death Differ 2018; 26:115-129. [PMID: 30341424 DOI: 10.1038/s41418-018-0214-4] [Citation(s) in RCA: 67] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2018] [Revised: 09/21/2018] [Accepted: 09/26/2018] [Indexed: 12/18/2022] Open
Abstract
Our conception of programmed cell death has expanded beyond apoptosis to encompass additional forms of cell suicide, including necroptosis and pyroptosis; these cell death modalities are notable for their diverse and emerging roles in engaging the immune system. Concurrently, treatments that activate the immune system to combat cancer have achieved remarkable success in the clinic. These two scientific narratives converge to provide new perspectives on the role of programmed cell death in cancer therapy. This review focuses on our current understanding of the relationship between apoptosis and antitumor immune responses and the emerging evidence that induction of alternate death pathways such as necroptosis could improve therapeutic outcomes.
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75
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Janke LJ, Ward JM, Vogel P. Classification, Scoring, and Quantification of Cell Death in Tissue Sections. Vet Pathol 2018; 56:33-38. [DOI: 10.1177/0300985818800026] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
The analysis and description of the appearance of cell death in tissue sections can add valuable information to research studies. The scoring/grading and quantification of cell death can be used either as part of a larger scoring scheme or as the final end point of a study. The degree of precision needed is study dependent and will be determined by the question being addressed and the complexity of the model. The methods one uses to quantify cell death are often guided by the tissue of interest. For example, in the brain, it is sometimes necessary to examine death of specific neuronal populations, whereas in more homogeneous tissue such as a tumor xenograft, quantification can be done on a whole-slide basis. In addition to examination of hematoxylin and eosin (HE)–stained sections, immunohistochemistry can be employed to highlight areas of cell death or to identify specific types of cell death, for example, when differentiating apoptosis from necrosis. Automated quantification can be useful in generating statistically comparable data from HE-stained or immunolabeled samples. The rapidly expanding classification of cell death requires the use of multiple techniques to identify them in vivo. This article will provide examples of how different methods of examining and quantifying cell death are used in a variety of research areas, ranging from semiquantitative evaluation in HE-stained intestine to automated quantification of immunohistochemistry-immunolabeled brain and tumor xenografts. The recently described process of necroptosis will be discussed briefly, with the description and example of the methods used to differentiate this from apoptosis.
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Affiliation(s)
- Laura J. Janke
- Department of Pathology, St. Jude Children’s Research Hospital, Memphis, TN, USA
| | | | - Peter Vogel
- Department of Pathology, St. Jude Children’s Research Hospital, Memphis, TN, USA
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76
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Affiliation(s)
- Douglas R Green
- Department of Immunology, St. Jude Children's Research Hospital, Memphis, TN, USA
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77
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Ma Y, Pitt JM, Li Q, Yang H. The renaissance of anti-neoplastic immunity from tumor cell demise. Immunol Rev 2018; 280:194-206. [PMID: 29027231 DOI: 10.1111/imr.12586] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Cancer therapies can temporarily reduce tumor burdens by inducing malignant cell death. However, cancer cure is still far from realization because tumors often gain resistance to current treatment and eventually relapse. Accumulating evidence suggests that successful cancer interventions require anti-tumor immunity. Therapy-induced cell stress responses ultimately result in one or more cell death modalities, including apoptosis, autophagy, necroptosis, and pyroptosis. These irreversible dying processes are accompanied by active or passive release of cell death-associated molecular patterns (CDAMPs), which can be sensed by corresponding pattern recognition receptors (PRR) on tumor-infiltrating immune cells. This crosstalk with the immune system can reawaken immune surveillance in the tumor microenvironment (TME). This review focuses on immune-modulatory properties of anti-cancer regimens and CDAMP-mediated communications between cell stress responses and the immune contexture of TME. In addition, we describe how immunogenic cell death can elicit strong and durable anti-tumor immune responses.
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Affiliation(s)
- Yuting Ma
- Suzhou Institute of Systems Medicine, Suzhou, Jiangsu, China.,Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| | | | - Qingqing Li
- Suzhou Institute of Systems Medicine, Suzhou, Jiangsu, China.,Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| | - Heng Yang
- Suzhou Institute of Systems Medicine, Suzhou, Jiangsu, China.,Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
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78
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Recent Advances in the Molecular Mechanisms Underlying Pyroptosis in Sepsis. Mediators Inflamm 2018; 2018:5823823. [PMID: 29706799 PMCID: PMC5863298 DOI: 10.1155/2018/5823823] [Citation(s) in RCA: 95] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2017] [Accepted: 01/22/2018] [Indexed: 12/25/2022] Open
Abstract
Sepsis is recognized as a life-threatening organ dysfunctional disease that is caused by dysregulated host responses to infection. Up to now, sepsis still remains a dominant cause of multiple organ dysfunction syndrome (MODS) and death among severe condition patients. Pyroptosis, originally named after the Greek words “pyro” and “ptosis” in 2001, has been defined as a specific programmed cell death characterized by release of inflammatory cytokines. During sepsis, pyroptosis is required for defense against bacterial infection because appropriate pyroptosis can minimize tissue damage. Even so, pyroptosis when overactivated can result in septic shock, MODS, or increased risk of secondary infection. Proteolytic cleavage of gasdermin D (GSDMD) by caspase-1, caspase-4, caspase-5, and caspase-11 is an essential step for the execution of pyroptosis in activated innate immune cells and endothelial cells stimulated by cytosolic lipopolysaccharide (LPS). Cleaved GSDMD also triggers NACHT, LRR, and PYD domain-containing protein (NLRP) 3-mediated activation of caspase-1 via an intrinsic pathway, while the precise mechanism underlying GSDMD-induced NLRP 3 activation remains unclear. Hence, this study provides an overview of the recent advances in the molecular mechanisms underlying pyroptosis in sepsis.
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79
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Abstract
Receptor-interacting protein kinases 1 and 3 (RIPK1/3) have best been described for their role in mediating a regulated form of necrosis, referred to as necroptosis. During this process, RIPK3 phosphorylates mixed lineage kinase domain-like (MLKL) to cause plasma membrane rupture. RIPK3-deficient mice have recently been demonstrated to be protected in a series of disease models, but direct evidence for activation of necroptosis in vivo is still limited. Here, we sought to further examine the activation of necroptosis in kidney ischemia-reperfusion injury (IRI) and from TNFα-induced severe inflammatory response syndrome (SIRS), two models of RIPK3-dependent injury. In both models, MLKL-ko mice were significantly protected from injury to a degree that was slightly, but statistically significantly exceeding that of RIPK3-deficient mice. We also demonstrated, for the first time, accumulation of pMLKL in the necrotic tubules of human patients with acute kidney injury. However, our data also uncovered unexpected elevation of blood flow in MLKL-ko animals, which may be relevant to IRI and should be considered in the future. To further understand the mode of regulation of cell death by MLKL, we screened a panel of clinical plasma membrane channel blockers and we found phenytoin to inhibit necroptosis. However, we further found that phenytoin attenuated RIPK1 kinase activity in vitro, likely due to the hydantoin scaffold also present in necrostatin-1, and blocked upstream necrosome formation steps in the cells undergoing necroptosis. We further report that this clinically used anti-convulsant drug displayed protection from kidney IRI and TNFα-induces SIRS in vivo. Overall, our data reveal the relevance of RIPK3-pMLKL regulation for acute kidney injury and identifies an FDA-approved drug that may be useful for immediate clinical evaluation of inhibition of pro-death RIPK1/RIPK3 activities in human diseases.
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80
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Callow MG, Watanabe C, Wickliffe KE, Bainer R, Kummerfield S, Weng J, Cuellar T, Janakiraman V, Chen H, Chih B, Liang Y, Haley B, Newton K, Costa MR. CRISPR whole-genome screening identifies new necroptosis regulators and RIPK1 alternative splicing. Cell Death Dis 2018; 9:261. [PMID: 29449584 PMCID: PMC5833675 DOI: 10.1038/s41419-018-0301-y] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2017] [Accepted: 01/04/2018] [Indexed: 12/04/2022]
Abstract
The necroptotic cell death pathway is a key component of human pathogen defense that can become aberrantly derepressed during tissue homeostasis to contribute to multiple types of tissue damage and disease. While formation of the necrosome kinase signaling complex containing RIPK1, RIPK3, and MLKL has been extensively characterized, additional mechanisms of its regulation and effector functions likely remain to be discovered. We screened 19,883 mouse protein-coding genes by CRISPR/Cas9-mediated gene knockout for resistance to cytokine-induced necroptosis and identified 112 regulators and mediators of necroptosis, including 59 new candidate pathway components with minimal or no effect on cell growth in the absence of necroptosis induction. Among these, we further characterized the function of PTBP1, an RNA binding protein whose activity is required to maintain RIPK1 protein abundance by regulating alternative splice-site selection.
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Affiliation(s)
- Marinella G Callow
- Department of Discovery Oncology, Genentech, Inc., 1 DNA Way, South San Francisco, CA, 94080, USA
| | - Colin Watanabe
- Department of Bioinformatics and Computational Biology, Genentech, Inc., 1 DNA Way, South San Francisco, CA, 94080, USA
| | - Katherine E Wickliffe
- Department of Physiological Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, CA, 94080, USA
| | - Russell Bainer
- Department of Bioinformatics and Computational Biology, Genentech, Inc., 1 DNA Way, South San Francisco, CA, 94080, USA
| | - Sarah Kummerfield
- Department of Bioinformatics and Computational Biology, Genentech, Inc., 1 DNA Way, South San Francisco, CA, 94080, USA
| | - Julie Weng
- Department of Discovery Oncology, Genentech, Inc., 1 DNA Way, South San Francisco, CA, 94080, USA
| | - Trinna Cuellar
- Department of Molecular Biology, Genentech, Inc., 1 DNA Way, South San Francisco, CA, 94080, USA.,Department of Molecular Biology, Princeton University, Lewis Thomas Laboratory, Washington Road, Princeton, NJ, 08544, USA
| | | | - Honglin Chen
- Department of Molecular Biology, Genentech, Inc., 1 DNA Way, South San Francisco, CA, 94080, USA
| | - Ben Chih
- Department of Biochemical and Cellular Pharmacology, Genentech, Inc., 1 DNA Way, South San Francisco, CA, 94080, USA
| | - Yuxin Liang
- Department of Molecular Biology, Genentech, Inc., 1 DNA Way, South San Francisco, CA, 94080, USA
| | - Benjamin Haley
- Department of Molecular Biology, Genentech, Inc., 1 DNA Way, South San Francisco, CA, 94080, USA
| | - Kim Newton
- Department of Physiological Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, CA, 94080, USA
| | - Michael R Costa
- Department of Discovery Oncology, Genentech, Inc., 1 DNA Way, South San Francisco, CA, 94080, USA.
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81
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Martens S, Goossens V, Devisscher L, Hofmans S, Claeys P, Vuylsteke M, Takahashi N, Augustyns K, Vandenabeele P. RIPK1-dependent cell death: a novel target of the Aurora kinase inhibitor Tozasertib (VX-680). Cell Death Dis 2018; 9:211. [PMID: 29434255 PMCID: PMC5833749 DOI: 10.1038/s41419-017-0245-7] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2017] [Revised: 11/24/2017] [Accepted: 12/14/2017] [Indexed: 12/17/2022]
Abstract
The Aurora kinase family (Aurora A, B and C) are crucial regulators of several mitotic events, including cytokinesis. Increased expression of these kinases is associated with tumorigenesis and several compounds targeting Aurora kinase are under evaluation in clinical trials (a.o. AT9283, AZD1152, Danusertib, MLN8054). Here, we demonstrate that the pan-Aurora kinase inhibitor Tozasertib (VX-680 and MK-0457) not only causes cytokinesis defects through Aurora kinase inhibition, but is also a potent inhibitor of necroptosis, a cell death process regulated and executed by the RIPK1, RIPK3 and MLKL signalling axis. Tozasertib’s potency to inhibit RIPK1-dependent necroptosis and to block cytokinesis in cells is in the same concentration range, with an IC50 of 1.06 µM and 0.554 µM, respectively. A structure activity relationship (SAR) analysis of 67 Tozasertib analogues, modified at 4 different positions, allowed the identification of analogues that showed increased specificity for either cytokinesis inhibition or for necroptosis inhibition, reflecting more specific inhibition of Aurora kinase or RIPK1, respectively. These results also suggested that RIPK1 and Aurora kinases are functionally non-interacting targets of Tozasertib and its analogues. Indeed, more specific Aurora kinase inhibitors did not show any effect in necroptosis and Necrostatin-1s treatment did not result in cytokinesis defects, demonstrating that both cellular processes are not interrelated. Finally, Tozasertib inhibited recombinant human RIPK1, human Aurora A and human Aurora B kinase activity, but not RIPK3. The potency ranking of the newly derived Tozasertib analogues and their specificity profile, as observed in cellular assays, coincide with ADP-Glo recombinant kinase activity assays. Overall, we show that Tozasertib not only targets Aurora kinases but also RIPK1 independently, and that we could generate analogues with increased selectivity to RIPK1 or Aurora kinases, respectively.
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Affiliation(s)
- Sofie Martens
- Inflammation Research Center (IRC), VIB, Ghent, 9052, Belgium.,Department of Biomedical Molecular Biology (DBMB), Ghent University, Ghent, 9052, Belgium
| | - Vera Goossens
- Inflammation Research Center (IRC), VIB, Ghent, 9052, Belgium.,Department of Biomedical Molecular Biology (DBMB), Ghent University, Ghent, 9052, Belgium
| | - Lars Devisscher
- Laboratory of Medicinal Chemistry, University of Antwerp, Antwerp, 2610, Belgium
| | - Sam Hofmans
- Laboratory of Medicinal Chemistry, University of Antwerp, Antwerp, 2610, Belgium
| | - Polien Claeys
- Inflammation Research Center (IRC), VIB, Ghent, 9052, Belgium.,Department of Biomedical Molecular Biology (DBMB), Ghent University, Ghent, 9052, Belgium
| | - Marnik Vuylsteke
- Inflammation Research Center (IRC), VIB, Ghent, 9052, Belgium.,Department of Biomedical Molecular Biology (DBMB), Ghent University, Ghent, 9052, Belgium.,Gnomixx, Melle, 9090, Belgium
| | - Nozomi Takahashi
- Inflammation Research Center (IRC), VIB, Ghent, 9052, Belgium.,Department of Biomedical Molecular Biology (DBMB), Ghent University, Ghent, 9052, Belgium
| | - Koen Augustyns
- Laboratory of Medicinal Chemistry, University of Antwerp, Antwerp, 2610, Belgium
| | - Peter Vandenabeele
- Inflammation Research Center (IRC), VIB, Ghent, 9052, Belgium. .,Department of Biomedical Molecular Biology (DBMB), Ghent University, Ghent, 9052, Belgium.
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82
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Sarhan M, von Mässenhausen A, Hugo C, Oberbauer R, Linkermann A. Immunological consequences of kidney cell death. Cell Death Dis 2018; 9:114. [PMID: 29371597 PMCID: PMC5833784 DOI: 10.1038/s41419-017-0057-9] [Citation(s) in RCA: 55] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Death of renal cells is central to the pathophysiology of acute tubular necrosis, autoimmunity, necrotizing glomerulonephritis, cystic kidney disease, urosepsis, delayed graft function and transplant rejection. By means of regulated necrosis, immunogenic damage-associated molecular patterns (DAMPs) and highly reactive organelles such as lysosomes, peroxisomes and mitochondria are released from the dying cells, thereby causing an overwhelming immunologic response. The rupture of the plasma membrane exhibits the "point of no return" for the immunogenicity of regulated cell death, explaining why apoptosis, a highly organized cell death subroutine with long-lasting plasma membrane integrity, elicits hardly any immune response. Ferroptosis, an iron-dependent necrotic type cell death, results in the release of DAMPs and large amounts of lipid peroxides. In contrast, anti-inflammatory cytokines are actively released from cells that die by necroptosis, limiting the DAMP-induced immune response to a surrounding microenvironment, whereas at the same time, inflammasome-associated caspases drive maturation of intracellularly expressed interleukin-1β (IL-1β). In a distinct setting, additionally interleukin-18 (IL-18) is expressed during pyroptosis, initiated by gasdermin-mediated plasma membrane rupture. As all of these pathways are druggable, we provide an overview of regulated necrosis in kidney diseases with a focus on immunogenicity and potential therapeutic interventions.
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Affiliation(s)
- Maysa Sarhan
- Division of Nephrology and Dialysis, Department of Medicine III, Medical University Vienna, Vienna, Austria
| | - Anne von Mässenhausen
- Division of Nephrology, Department of Internal Medicine III, University Hospital Carl Gustav Carus at the Technische Universität Dresden, Dresden, Germany
| | - Christian Hugo
- Division of Nephrology, Department of Internal Medicine III, University Hospital Carl Gustav Carus at the Technische Universität Dresden, Dresden, Germany
| | - Rainer Oberbauer
- Division of Nephrology and Dialysis, Department of Medicine III, Medical University Vienna, Vienna, Austria
| | - Andreas Linkermann
- Division of Nephrology, Department of Internal Medicine III, University Hospital Carl Gustav Carus at the Technische Universität Dresden, Dresden, Germany.
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83
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Martin-Sanchez D, Fontecha-Barriuso M, Sanchez-Niño MD, Ramos AM, Cabello R, Gonzalez-Enguita C, Linkermann A, Sanz AB, Ortiz A. Cell death-based approaches in treatment of the urinary tract-associated diseases: a fight for survival in the killing fields. Cell Death Dis 2018; 9:118. [PMID: 29371637 PMCID: PMC5833412 DOI: 10.1038/s41419-017-0043-2] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2017] [Revised: 09/26/2017] [Accepted: 10/05/2017] [Indexed: 02/06/2023]
Abstract
Urinary tract-associated diseases comprise a complex set of disorders with a variety of etiologic agents and therapeutic approaches and a huge global burden of disease, estimated at around 1 million deaths per year. These diseases include cancer (mainly prostate, renal, and bladder), urinary tract infections, and urolithiasis. Cell death plays a key role in the pathogenesis and therapy of these conditions. During urinary tract infections, invading bacteria may either promote or prevent host cell death by interfering with cell death pathways. This has been studied in detail for uropathogenic E. coli (UPEC). Inhibition of host cell death may allow intracellular persistence of live bacteria, while promoting host cell death causes tissue damage and releases the microbes. Both crystals and urinary tract obstruction lead to tubular cell death and kidney injury. Among the pathomechanisms, apoptosis, necroptosis, and autophagy represent key processes. With respect to malignant disorders, traditional therapeutic efforts have focused on directly promoting cancer cell death. This may exploit tumor-specific characteristics, such as targeting Vascular Endothelial Growth Factor (VEGF) signaling and mammalian Target of Rapamycin (mTOR) activity in renal cancer and inducing survival factor deprivation by targeting androgen signaling in prostate cancer. An area of intense research is the use of immune checkpoint inhibitors, aiming at unleashing the full potential of immune cells to kill cancer cells. In the future, this may be combined with additional approaches exploiting intrinsic sensitivities to specific modes of cell death such as necroptosis and ferroptosis. Here, we review the contribution of diverse cell death mechanisms to the pathogenesis of urinary tract-associated diseases as well as the potential for novel therapeutic approaches based on an improved molecular understanding of these mechanisms.
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Affiliation(s)
- Diego Martin-Sanchez
- Research Institute-Fundacion Jimenez Diaz, Autonoma University, Madrid, Spain
- IRSIN, Madrid, Spain
- REDINREN, Madrid, Spain
| | - Miguel Fontecha-Barriuso
- Research Institute-Fundacion Jimenez Diaz, Autonoma University, Madrid, Spain
- IRSIN, Madrid, Spain
- REDINREN, Madrid, Spain
| | - Maria Dolores Sanchez-Niño
- Research Institute-Fundacion Jimenez Diaz, Autonoma University, Madrid, Spain
- IRSIN, Madrid, Spain
- REDINREN, Madrid, Spain
| | - Adrian M Ramos
- Research Institute-Fundacion Jimenez Diaz, Autonoma University, Madrid, Spain
- IRSIN, Madrid, Spain
- REDINREN, Madrid, Spain
| | - Ramiro Cabello
- Research Institute-Fundacion Jimenez Diaz, Autonoma University, Madrid, Spain
| | | | - Andreas Linkermann
- Department of Internal Medicine III, Division of Nephrology, University Hospital Carl Gustav Carus at the Technische Universität Dresden, Dresden, Germany
| | - Ana Belén Sanz
- Research Institute-Fundacion Jimenez Diaz, Autonoma University, Madrid, Spain.
- IRSIN, Madrid, Spain.
- REDINREN, Madrid, Spain.
| | - Alberto Ortiz
- Research Institute-Fundacion Jimenez Diaz, Autonoma University, Madrid, Spain.
- IRSIN, Madrid, Spain.
- REDINREN, Madrid, Spain.
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84
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Endogenous DAMPs, Category I: Constitutively Expressed, Native Molecules (Cat. I DAMPs). DAMAGE-ASSOCIATED MOLECULAR PATTERNS IN HUMAN DISEASES 2018. [PMCID: PMC7122936 DOI: 10.1007/978-3-319-78655-1_12] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
This chapter provides the reader with a collection of endogenous DAMPs in terms of constitutively expressed native molecules. The first class of this category refers to DAMPs, which are passively released from necrotic cells, and includes the most prominent subclasses of high mobility group box I and heat shock proteins. Further subclasses of DAMPs that are passively released from necrotic cells include S100 proteins, nucleic acids, histones, pro-forms of interleukin-1-family members, mitochondria-derived N-formylated peptides, F-actin, and heme. A particular subclass of these passively released DAMPs are molecules, which indirectly activate the inflammasome, including adenosine-5′-triphosphate, monosodium urate crystals, cholesterol crystals, some lipolytic species, and beta-amyloid. All these passively released DAMPs are characterized by their capability to promote necroinflammatory responses. The second class of this Category I refers to molecules, which are exposed on the surface of stressed cells. They include the subclass of phagocytosis-facilitating molecules such as calreticulin, as well as the subclass of MHC-I-related molecules such as MHC-I-related molecule A and B. These DAMPs are capable of inducing the activation of innate lymphoid cells and unconventional T cells. One of these DAMPs, the major histocompatibility complex I-related molecule A, is shown to act as a bona fide transplantation antigen. In sum, the endogenous constitutively expressed native molecules represent an impressive category of DAMPs with extraordinary properties, which play a critical role in the pathogenesis of many human diseases.
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Combination of Emricasan with Ponatinib Synergistically Reduces Ischemia/Reperfusion Injury in Rat Brain Through Simultaneous Prevention of Apoptosis and Necroptosis. Transl Stroke Res 2017; 9:382-392. [PMID: 29103102 DOI: 10.1007/s12975-017-0581-z] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2017] [Revised: 10/20/2017] [Accepted: 10/26/2017] [Indexed: 12/12/2022]
Abstract
Apoptosis and receptor-interacting protein kinase 1/3(RIPK1/3)-mediated necroptosis contribute to the cerebral ischemia/reperfusion (I/R) injury. Emricasan is an inhibitor of caspases in clinical trials for liver diseases while ponatinib could be a potential inhibitor for RIPK1/3. This study aims to investigate the effect of emricasan and/or ponatinib on cerebral I/R injury and the underlying mechanisms. Firstly, we evaluated the status of apoptosis and necroposis in a rat model of cerebral I/R under different conditions, which showed noticeable apoptosis and necroptosis under condition of 2-h ischemia and 24-h reperfusion; next, the preventive or therapeutic effect of emricasan or ponatinib on cerebral I/R injury was tested. Administration of emricasan or ponatinib either before or after ischemia could decrease the neurological deficit score and infarct volume; finally, the combined therapeutic effect of emricasan with ponatinib on I/R injury was examined. Combined application of emricasan and ponatinib could further decrease the I/R injury compared to single application. Emricasan decreased the activities of capase-8/-3 in the I/R-treated brain but not the protein levels of necroptosis-relevant proteins: RIPK1, RIPK3, and mixed lineage kinase domain-like (MLKL), whereas ponatinib suppressed the expressions of these proteins but not the activities of capase-8/-3. Combination of emricasan with ponatinib could suppress both capase-8/-3 and necroptosis-relevant proteins. Based on these observations, we conclude that combination of emricasan with ponatinib could synergistically reduce I/R injury in rat brain through simultaneous prevention of apoptosis and necroptosis. Our findings might lay a basis on extension of the clinical indications for emricasan and ponatinib in treating ischemic stroke.
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How do we fit ferroptosis in the family of regulated cell death? Cell Death Differ 2017; 24:1991-1998. [PMID: 28984871 DOI: 10.1038/cdd.2017.149] [Citation(s) in RCA: 100] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2017] [Revised: 07/18/2017] [Accepted: 08/06/2017] [Indexed: 02/07/2023] Open
Abstract
In the last few years many new cell death modalities have been described. To classify different types of cell death, the term 'regulated cell death' was introduced to discriminate it from 'accidental cell death'. Regulated cell death involves the activation of genetically encoded molecular machinery that couples the presence of some signal to cell death. These forms of cell death, like apoptosis, necroptosis and pyroptosis have important physiological roles in development, tissue repair, and immunity. Accidental cell death occurs in response to physical or chemical insults and occurs independently of molecular signalling pathways. Ferroptosis, an emerging and recently (re)discovered type of regulated cell death occurs through Fe(II)-dependent lipid peroxidation when the reduction capacity of a cell is insufficient. Ferroptosis is coined after the requirement for free ferrous iron. Here, we will consider the extent to which ferroptosis is similar to other regulated cell deaths and explore emerging ideas about the physiological role of ferroptosis.
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Stockwell BR, Friedmann Angeli JP, Bayir H, Bush AI, Conrad M, Dixon SJ, Fulda S, Gascón S, Hatzios SK, Kagan VE, Noel K, Jiang X, Linkermann A, Murphy ME, Overholtzer M, Oyagi A, Pagnussat GC, Park J, Ran Q, Rosenfeld CS, Salnikow K, Tang D, Torti FM, Torti SV, Toyokuni S, Woerpel KA, Zhang DD. Ferroptosis: A Regulated Cell Death Nexus Linking Metabolism, Redox Biology, and Disease. Cell 2017; 171:273-285. [PMID: 28985560 PMCID: PMC5685180 DOI: 10.1016/j.cell.2017.09.021] [Citation(s) in RCA: 4051] [Impact Index Per Article: 578.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2017] [Revised: 09/11/2017] [Accepted: 09/13/2017] [Indexed: 02/07/2023]
Abstract
Ferroptosis is a form of regulated cell death characterized by the iron-dependent accumulation of lipid hydroperoxides to lethal levels. Emerging evidence suggests that ferroptosis represents an ancient vulnerability caused by the incorporation of polyunsaturated fatty acids into cellular membranes, and cells have developed complex systems that exploit and defend against this vulnerability in different contexts. The sensitivity to ferroptosis is tightly linked to numerous biological processes, including amino acid, iron, and polyunsaturated fatty acid metabolism, and the biosynthesis of glutathione, phospholipids, NADPH, and coenzyme Q10. Ferroptosis has been implicated in the pathological cell death associated with degenerative diseases (i.e., Alzheimer's, Huntington's, and Parkinson's diseases), carcinogenesis, stroke, intracerebral hemorrhage, traumatic brain injury, ischemia-reperfusion injury, and kidney degeneration in mammals and is also implicated in heat stress in plants. Ferroptosis may also have a tumor-suppressor function that could be harnessed for cancer therapy. This Primer reviews the mechanisms underlying ferroptosis, highlights connections to other areas of biology and medicine, and recommends tools and guidelines for studying this emerging form of regulated cell death.
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Affiliation(s)
- Brent R Stockwell
- Department of Biological Sciences, Columbia University, 550 West 120(th) Street, MC 4846, New York, NY 10027, USA; Department of Chemistry, Columbia University, 550 West 120(th) Street, MC 4846, New York, NY 10027, USA.
| | - José Pedro Friedmann Angeli
- Institute of Developmental Genetics, Helmholtz Zentrum München, Deutsches Forschungszentrum für Gesundheit und Umwelt (GmbH), München, Germany
| | - Hülya Bayir
- Department of Critical Care Medicine, Safar Center for Resuscitation Research and Center for Free Radical and Antioxidant Health, University of Pittsburgh and Children's Hospital of Pittsburgh, Pittsburgh, PA, USA
| | - Ashley I Bush
- The Florey Institute of Neuroscience and Mental Health, The University of Melbourne, Parkville, VIC, Australia
| | - Marcus Conrad
- Institute of Developmental Genetics, Helmholtz Zentrum München, Deutsches Forschungszentrum für Gesundheit und Umwelt (GmbH), München, Germany
| | - Scott J Dixon
- Department of Biology, Stanford University, Stanford, CA, USA
| | - Simone Fulda
- Institute for Experimental Cancer Research in Pediatrics, Goethe-University Frankfurt, German Cancer Consortium (DKTK), partner site Frankfurt, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Sergio Gascón
- Ludwig-Maximilians University of Munich, Physiological Genomics, Biomedical Center (BMC), Planegg-Martinsried, Germany; Institute for Stem Cell Research, Helmholtz Center Munich at the Biomedical Center (BMC), Grosshaderner Strasse 9, 82152 Planegg-Martinsried, Germany
| | - Stavroula K Hatzios
- Department of Molecular, Cellular and Developmental Biology and Department of Chemistry, Yale University, New Haven, CT 06511, USA; Microbial Sciences Institute, Yale University, West Haven, CT 06516, USA
| | - Valerian E Kagan
- Center for Free Radical and Antioxidant Health, Departments of Environmental Health, Pharmacology and Chemical Biology, Chemistry, Radiation Oncology, University of Pittsburgh, Pittsburgh, PA, USA
| | - Kay Noel
- Collaborative Medicinal Development, LLC, Sausalito, CA, USA
| | - Xuejun Jiang
- Cell Biology Program, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Andreas Linkermann
- Department of Internal Medicine III, Division of Nephrology, University Hospital Carl Gustav Carus at Technische Universität Dresden, Dresden, Germany
| | - Maureen E Murphy
- Program in Molecular and Cellular Oncogenesis, The Wistar Institute, Philadelphia, PA, USA
| | - Michael Overholtzer
- Cell Biology Program, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | | | - Gabriela C Pagnussat
- Instituto de Investigaciones Biológicas, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Universidad Nacional de Mar del Plata, 7600 Mar del Plata, Argentina
| | | | - Qitao Ran
- Department of Cell Systems and Anatomy, University of Texas Health Science Center, San Antonio, TX, USA
| | | | - Konstantin Salnikow
- Division of Cancer Biology, National Cancer Institute, NIH, Rockville, MD 20850, USA
| | - Daolin Tang
- The Third Affiliated Hospital, Center for DAMP Biology, Key Laboratory for Major Obstetric Diseases of Guangdong Province, Key Laboratory of Reproduction and Genetics of Guangdong Higher Education Institutes, Protein Modification and Degradation Laboratory, Guangzhou Medical University, Guangzhou, Guangdong, China; Department of Surgery, University of Pittsburgh, Pittsburgh, PA, USA
| | - Frank M Torti
- Department of Medicine, University of Connecticut Health Center, Farmington, CT, USA
| | - Suzy V Torti
- Department of Molecular Biology and Biophysics, University of Connecticut Health Center, Farmington, CT, USA
| | - Shinya Toyokuni
- Department of Pathology and Biological Responses, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - K A Woerpel
- Department of Chemistry, New York University, New York, NY, USA
| | - Donna D Zhang
- Department of Pharmacology and Toxicology, College of Pharmacy, University of Arizona, Tucson, AZ, USA
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88
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t-BuOOH induces ferroptosis in human and murine cell lines. Arch Toxicol 2017; 92:759-775. [PMID: 28975372 DOI: 10.1007/s00204-017-2066-y] [Citation(s) in RCA: 51] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2017] [Accepted: 09/14/2017] [Indexed: 02/07/2023]
Abstract
Reactive oxygen species (ROS)-induced apoptosis has been extensively studied. Increasing evidence suggests that ROS, for instance, induced by hydrogen peroxide (H2O2), might also trigger regulated necrotic cell death pathways. Almost nothing is known about the cell death pathways triggered by tertiary-butyl hydroperoxide (t-BuOOH), a widely used inducer of oxidative stress. The lipid peroxidation products induced by t-BuOOH are involved in the pathophysiology of many diseases, such as cancer, cardiovascular diseases, or diabetes. In this study, we exposed murine fibroblasts (NIH3T3) or human keratinocytes (HaCaT) to t-BuOOH (50 or 200 μM, respectively) which induced a rapid necrotic cell death. Well-established regulators of cell death, i.e., p53, poly(ADP)ribose polymerase-1 (PARP-1), the stress kinases p38 and c-Jun N-terminal-kinases 1/2 (JNK1/2), or receptor-interacting serine/threonine protein kinase 1 (RIPK1) and 3 (RIPK3), were not required for t-BuOOH-mediated cell death. Using the selective inhibitors ferrostatin-1 (1 μM) and liproxstatin-1 (1 μM), we identified ferroptosis, a recently discovered cell death mechanism dependent on iron and lipid peroxidation, as the main cell death pathway. Accordingly, t-BuOOH exposure resulted in a ferrostatin-1- and liproxstatin-1-sensitive increase in lipid peroxidation and cytosolic ROS. Ferroptosis was executed independently from other t-BuOOH-mediated cellular damages, i.e., loss of mitochondrial membrane potential, DNA double-strand breaks, or replication block. H2O2 did not cause ferroptosis at equitoxic concentrations (300 μM) and induced a (1) lower and (2) ferrostatin-1- or liproxstatin-1-insensitive increase in lipid peroxidation. We identify that t-BuOOH and H2O2 produce a different pattern of lipid peroxidation, thereby leading to different cell death pathways and present t-BuOOH as a novel inducer of ferroptosis.
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89
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Geng F, Yin H, Li Z, Li Q, He C, Wang Z, Yu J. Quantitative analysis of necrostatin-1, a necroptosis inhibitor by LC-MS/MS and the study of its pharmacokinetics and bioavailability. Biomed Pharmacother 2017; 95:1479-1485. [PMID: 28946210 DOI: 10.1016/j.biopha.2017.09.063] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2017] [Revised: 09/08/2017] [Accepted: 09/13/2017] [Indexed: 12/16/2022] Open
Abstract
Necrostatin-1 (Nec-1) is known as a specific and potent inhibitor of non-apoptotic cell death. In this study, a rapid and sensitive LC-MS/MS method that was developed for the determination of Nec-1 levels in plasma. Meanwhile, it has been used to explore pharmacokinetics and bioavailability of Nec-1 among rats. The m/z 260.1→131 was selected as the optimal MRM transition in analyzing Nce-1. The chromatographic separation was performed with SB-C18 analytical column using the optimized gradient elution mode. The extraction recoveries of Nec-1 ranged from 85.40% to 98.25% and the matrix effects were between 94.73% and 99.26%. Both the intra- and inter-day precision did not exceed 10.0%, respectively. Moreover, it is found that Nec-1 remained stable in plasma despite different processing and storage environment. The plasma concentration of Nec-1 was successfully determined among rats who received single dose via intravenous and oral route (5mg/kg), respectively. A two-compartment model was fitted the concentration-time profile of the Nec-1 with Cmax 1733μgL-1 and t1/2 1.8h for intravenous route, and Cmax 648μgL-1 and t1/2 1.2h for oral route, respectively. The results showed that absolute bioavailability of Nec-1 was 54.8%. It is promising that the study is helpful to understand in vivo behaviors of Nec-1 and facilitate the future investigations of the compound.
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Affiliation(s)
- Fang Geng
- Department of Pharmacy, Beijing Friendship Hospital, Capital Medical University, Beijing 100050, China
| | - Hang Yin
- Department of Pharmacy, Beijing Friendship Hospital, Capital Medical University, Beijing 100050, China
| | - Zhe Li
- Department of Pharmacy, Beijing Friendship Hospital, Capital Medical University, Beijing 100050, China
| | - Qin Li
- Cancer Center, Beijing Friendship Hospital, Capital Medical University, Beijing 100050, China
| | - Chaoran He
- Department of Pharmacy, Beijing Friendship Hospital, Capital Medical University, Beijing 100050, China
| | - Zheng Wang
- Department of Pharmacy, Beijing Friendship Hospital, Capital Medical University, Beijing 100050, China
| | - Junxian Yu
- Department of Pharmacy, Beijing Friendship Hospital, Capital Medical University, Beijing 100050, China.
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