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Guo K, Lu M, Bi J, Yao T, Gao J, Ren F, Zhu L. Ferroptosis: mechanism, immunotherapy and role in ovarian cancer. Front Immunol 2024; 15:1410018. [PMID: 39192972 PMCID: PMC11347334 DOI: 10.3389/fimmu.2024.1410018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2024] [Accepted: 07/24/2024] [Indexed: 08/29/2024] Open
Abstract
Ovarian cancer is currently the second most common malignant tumor among gynecological cancers worldwide, primarily due to challenges in early diagnosis, high recurrence rates, and resistance to existing treatments. Current therapeutic options are inadequate for addressing the needs of ovarian cancer patients. Ferroptosis, a novel form of regulated cell death with demonstrated tumor-suppressive properties, has gained increasing attention in ovarian malignancy research. A growing body of evidence suggests that ferroptosis plays a significant role in the onset, progression, and incidence of ovarian cancer. Additionally, it has been found that immunotherapy, an emerging frontier in tumor treatment, synergizes with ferroptosis in the context of ovarian cancer. Consequently, ferroptosis is likely to become a critical target in the treatment of ovarian cancer.
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Affiliation(s)
- Ke Guo
- Department of Obstetrics and Gynecology, Shengjing Hospital of China Medical University, Shenyang, Liaoning, China
| | - Miao Lu
- Department of Obstetrics and Gynecology, Shengjing Hospital of China Medical University, Shenyang, Liaoning, China
| | - Jianlei Bi
- Department of Obstetrics and Gynecology, The Second Hospital of Dalian Medical University, Dalian, Liaoning, China
| | - Tianyu Yao
- Department of Obstetrics and Gynecology, Shengjing Hospital of China Medical University, Shenyang, Liaoning, China
| | - Jian Gao
- Department of Obstetrics and Gynecology, Shengjing Hospital of China Medical University, Shenyang, Liaoning, China
| | - Fang Ren
- Department of Obstetrics and Gynecology, Shengjing Hospital of China Medical University, Shenyang, Liaoning, China
| | - Liancheng Zhu
- Department of Obstetrics and Gynecology, Shengjing Hospital of China Medical University, Shenyang, Liaoning, China
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Su X, Han LY, Wang J, Zhang Y, Luo PY, Gao S, Fan YC, Wang JW, Wang K. Hypermethylation of the glutathione peroxidase 4 promoter predicts poor prognosis in patients with hepatitis B virus-associated acute-on-chronic liver failure. Front Mol Biosci 2024; 11:1421597. [PMID: 39119475 PMCID: PMC11306020 DOI: 10.3389/fmolb.2024.1421597] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2024] [Accepted: 07/04/2024] [Indexed: 08/10/2024] Open
Abstract
Background Hepatitis B virus-associated acute-on-chronic liver failure (HBV-ACLF) is a syn-drome with a high short-term mortality rate, and its prognosis is critical in clinical management. This study aimed to investigate the clinical significance of glutathione peroxidase 4 (GPX4) in the occurrence and development of HBV-ACLF and its prognostic value for 90-day mortality. Methods The expression levels of GPX4, oxidative stress-related molecules and inflammatory cytokines in serum or peripheral blood mononuclear cells (PBMCs) of 289 participants were determined by RT-qPCR or ELISA, and the methylation level of GPX4 promoter in PBMCs was determined by MethyLight. Results The expression levels of GPX4 in the PBMCs and serum of HBV-ACLF patients were lower than those in non-HBV-associated acute-on-chronic liver failure (non-HBV ACLF) patients, patients with chronic hepatitis B (CHB) and healthy control (HC) individuals, while the methylation level of the GPX4 promoter was greater. In HBV-ACLF patients, the methylation level of the GPX4 promoter is correlated with oxidative stress, inflammation-related molecules, and some clinicopathological indicators. The methylation level of the GPX4 promoter was identified as an independent risk factor for 90-day mortality in HBV-ACLF patients and yielded a larger area under the receiver operating characteristic curve (AUROC) than the model for end-stage liver disease (MELD) score in predicting 90-day mortality. Conclusion The GPX4 promoter methylation level has promising potential as a predictor of 90-day mortality in patients with HBV-ACLF.
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Affiliation(s)
- Xing Su
- Department of Hepatology, Qilu Hospital of Shandong University, Jinan, Shandong, China
| | - Li-Yan Han
- Department of Hepatology, Qilu Hospital of Shandong University, Jinan, Shandong, China
- Hepatology Institute of Shandong University, Jinan, Shandong, China
| | - Jing Wang
- Department of Hepatology, Qilu Hospital of Shandong University, Jinan, Shandong, China
| | - Ying Zhang
- Department of Hepatology, Qilu Hospital of Shandong University, Jinan, Shandong, China
| | - Peng-Yu Luo
- Department of Hepatology, Qilu Hospital of Shandong University, Jinan, Shandong, China
| | - Shuai Gao
- Department of Hepatology, Qilu Hospital of Shandong University, Jinan, Shandong, China
- Hepatology Institute of Shandong University, Jinan, Shandong, China
| | - Yu-Chen Fan
- Department of Hepatology, Qilu Hospital of Shandong University, Jinan, Shandong, China
- Hepatology Institute of Shandong University, Jinan, Shandong, China
| | - Jing-Wei Wang
- Department of Hepatology, Qilu Hospital (Qingdao) of Shandong University, Qingdao, Shandong, China
| | - Kai Wang
- Department of Hepatology, Qilu Hospital of Shandong University, Jinan, Shandong, China
- Hepatology Institute of Shandong University, Jinan, Shandong, China
- Department of Hepatology, Qilu Hospital (Qingdao) of Shandong University, Qingdao, Shandong, China
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Ssedyabane F, Randall TC, Ngonzi J, Kajabwangu R, Namuli A, Muhumuza J, Najjuma JN, Tusubira D. Association between dyslipidemia and cervical intraepithelial neoplasia: A case-control study in south-western Uganda. Afr J Lab Med 2024; 13:2374. [PMID: 39114748 PMCID: PMC11304215 DOI: 10.4102/ajlm.v13i1.2374] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Accepted: 05/20/2024] [Indexed: 08/10/2024] Open
Abstract
Background Altered lipid levels may be associated with the development of a number of malignancies, including cancer of the cervix. However, there is limited understanding of this relationship in the rural Ugandan context. Objective We investigated the connection between dyslipidaemias and cervical intraepithelial neoplasia (CIN) among women attending the cervical cancer clinic at Mbarara Regional Referral Hospital in south-western Uganda. Methods This unmatched case-control study was conducted between December 2022 and February 2023 and included women with CIN (cases) and women without intraepithelial lesions (controls) in a 1:1 ratio. Participants were selected based on cytology and/or histology results, and after obtaining written informed consent. Demographic data were collected, and venous blood was drawn for lipid profile analysis. Dyslipidaemia was defined as: total cholesterol > 200 mg/dL, low-density lipoprotein > 160 mg/dL, triglycerides > 150 mg/dL, or high-density lipoprotein < 40 mg/dL. At diagnosis, cases were categorised as either CIN1 (low grade) or CIN2+ (high grade). Results Among the 93 cases, 81 had CIN1, while 12 had CIN2+. Controls had a 13.9% (13/93) prevalence of high triglycerides and cases had a prevalence of 3.2% (3/93; p = 0.016). Reduced high-density lipoprotein was the most prevalent dyslipidaemia among cases (40.9%; 38/93). Statistically significant associations were found between high serum triglycerides and CIN (odds ratio: 1.395, 95% confidence interval: 0.084-1.851, p = 0.007). Conclusion A notable association was observed between triglyceride dyslipidemia and CIN. Further studies into biochemical processes and interactions between lipids and cervical carcinogenesis are recommended through prospective cohort studies. What this study adds This research provides additional information on the potential role of lipids in cervical carcinogenesis among women in rural Uganda. It also presents the possible prevalence of multimorbidity involving cervical cancer and cardiovascular diseases, particularly in low-resource settings lacking preventive measures against the increasing prevalence of dyslipidaemia.
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Affiliation(s)
- Frank Ssedyabane
- Department of Medical Laboratory Science, Faculty of Medicine, Mbarara University of Science and Technology, Mbarara, Uganda
| | - Thomas C. Randall
- Department of Global Health and Social Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, United States
| | - Joseph Ngonzi
- Department of Obstetrics and Gynaecology, Faculty of Medicine, Mbarara University of Science and Technology, Mbarara, Uganda
| | - Rogers Kajabwangu
- Department of Obstetrics and Gynaecology, Faculty of Medicine, Mbarara University of Science and Technology, Mbarara, Uganda
| | - Alexcer Namuli
- Department of Obstetrics and Gynaecology, Mbarara Regional Referral Hospital, Mbarara, Uganda
| | - Joy Muhumuza
- Department of Obstetrics and Gynaecology, Faculty of Medicine, Mbarara University of Science and Technology, Mbarara, Uganda
| | - Josephine N. Najjuma
- Department of Nursing, Faculty of Medicine, Mbarara University of Science and Technology, Mbarara, Uganda
| | - Deusdedit Tusubira
- Department of Biochemistry, Faculty of Medicine, Mbarara University of Science and Technology, Mbarara, Uganda
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Wang Y, Hao Y, Yuan L, Tian H, Sun X, Zhang Y. Ferroptosis: a new mechanism of traditional Chinese medicine for treating ulcerative colitis. Front Pharmacol 2024; 15:1379058. [PMID: 38895617 PMCID: PMC11184165 DOI: 10.3389/fphar.2024.1379058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2024] [Accepted: 05/14/2024] [Indexed: 06/21/2024] Open
Abstract
Ulcerative colitis (UC), a subtype of inflammatory bowel disease, manifests with symptoms such as abdominal pain, diarrhea, and mucopurulent, bloody stools. The pathogenesis of UC is not fully understood. At present, the incidence of UC has increased significantly around the world. Conventional therapeutic arsenals are relatively limited, with often poor efficacy and many adverse effects. In contrast, traditional Chinese medicine (TCM) holds promise due to their notable effectiveness, reduced recurrence rates, and minimal side effects. In recent years, significant progress has been made in the basic research on TCM for UC treatment. It has been found that the inhibition of ferroptosis through the intervention of TCM can significantly promote intestinal mucosal healing and reverse UC. The mechanism of action involves multiple targets and pathways. Aim of the review This review summarizes the experimental studies on the targeted regulation of ferroptosis by TCM and its impact on UC in recent years, aiming to provide theoretical basis for the prevention, treatment, and further drug development for UC. Results Ferroptosis disrupts antioxidant mechanisms in intestinal epithelial cells, damages the intestinal mucosa, and participates in the pathological process of UC. TCM acts on various pathways such as Nrf2/HO-1 and GSH/GPX4, blocking the pathological progression of ferroptosis in intestinal epithelial cells, inhibiting pathological damage to the intestinal mucosa, and thereby alleviating UC. Conclusion The diverse array of TCM single herbs, extracts and herbal formulas facilitates selective and innovative research and development of new TCM methods for targeting UC treatment. Although progress has been made in studying TCM compound formulas, single herbs, and extracts, there are still many issues in clinical and basic experimental designs, necessitating further in-depth scientific exploration and research.
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Affiliation(s)
- Yingyi Wang
- Department of Gastroenterology, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Yanwei Hao
- Department of Geriatrics, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Lingling Yuan
- Department of Gastroenterology, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Huaie Tian
- Department of Gastroenterology, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Xuhui Sun
- Department of Gastroenterology, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Yi Zhang
- Department of Gastroenterology, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, China
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Li M, Xing X, Yuan J, Zeng Z. Research progress on the regulatory role of cell membrane surface tension in cell behavior. Heliyon 2024; 10:e29923. [PMID: 38720730 PMCID: PMC11076917 DOI: 10.1016/j.heliyon.2024.e29923] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2023] [Revised: 04/17/2024] [Accepted: 04/17/2024] [Indexed: 05/12/2024] Open
Abstract
Cell membrane surface tension has emerged as a pivotal biophysical factor governing cell behavior and fate. This review systematically delineates recent advances in techniques for cell membrane surface tension quantification, mechanosensing mechanisms, and regulatory roles of cell membrane surface tension in modulating major cellular processes. Micropipette aspiration, tether pulling, and newly developed fluorescent probes enable the measurement of cell membrane surface tension with spatiotemporal precision. Cells perceive cell membrane surface tension via conduits including mechanosensitive ion channels, curvature-sensing proteins (e.g. BAR domain proteins), and cortex-membrane attachment proteins (e.g. ERM proteins). Through membrane receptors like integrins, cells convert mechanical cues into biochemical signals. This conversion triggers cytoskeletal remodeling and extracellular matrix interactions in response to environmental changes. Elevated cell membrane surface tension suppresses cell spreading, migration, and endocytosis while facilitating exocytosis. Moreover, reduced cell membrane surface tension promotes embryonic stem cell differentiation and cancer cell invasion, underscoring cell membrane surface tension as a regulator of cell plasticity. Outstanding questions remain regarding cell membrane surface tension regulatory mechanisms and roles in tissue development/disease in vivo. Emerging tools to manipulate cell membrane surface tension with high spatiotemporal control in combination with omics approaches will facilitate the elucidation of cell membrane surface tension-mediated effects on signaling networks across various cell types/states. This will accelerate the development of cell membrane surface tension-based biomarkers and therapeutics for regenerative medicine and cancer. Overall, this review provides critical insights into cell membrane surface tension as a potent orchestrator of cell function, with broader impacts across mechanobiology.
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Affiliation(s)
- Manqing Li
- School of Public Health, Sun Yat-sen University, Guangzhou, 5180080, China
| | - Xiumei Xing
- School of Public Health, Sun Yat-sen University, Guangzhou, 5180080, China
| | - Jianhui Yuan
- Nanshan District Center for Disease Control and Prevention, Shenzhen, 518054, China
| | - Zhuoying Zeng
- The First Affiliated Hospital of Shenzhen University, Shenzhen Second People's Hospital, Shenzhen University, Shenzhen, 518035, China
- Chemical Analysis & Physical Testing Institute, Shenzhen Center for Disease Control and Prevention, Shenzhen, 518055, China
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Guo L, Wang Z, Fu Y, Wu S, Zhu Y, Yuan J, Liu Y. MiR-122-5p regulates erastin-induced ferroptosis via CS in nasopharyngeal carcinoma. Sci Rep 2024; 14:10019. [PMID: 38693171 PMCID: PMC11063070 DOI: 10.1038/s41598-024-59080-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Accepted: 04/07/2024] [Indexed: 05/03/2024] Open
Abstract
Nasopharyngeal carcinoma (NPC) is a tumor that occurs in the nasopharynx. Although advances in detection and treatment have improved the prognosis of NPC the treatment of advanced NPC remains challenging. Here, we explored the effect of microRNA (miR)-122-5p on erastin-induced ferroptosis in NPC cells and the role of ferroptosis in the development of NPC. The effect of miR-122-5p silencing and overexpression and the effect of citrate synthase on erastin-induced lipid peroxidation in NPC cells was analyzed by measuring the amounts of malondialdehyde, Fe2+, glutathione, and reactive oxygen species and the morphological alterations of mitochondria. The malignant biological behavior of NPC cells was examined by cell counting kit-8, EDU, colony formation, Transwell, and wound healing assays. The effects of miR-122-5p on cell proliferation and migration associated with ferroptosis were examined in vivo in a mouse model of NPC generated by subcutaneous injection of NPC cells. We found that erastin induced ferroptosis in NPC cells. miR-122-5p overexpression inhibited CS, thereby promoting erastin-induced ferroptosis in NPC cells and decreasing NPC cell proliferation, migration, and invasion.
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Affiliation(s)
- Liqing Guo
- Department of Otolaryngology, The Second Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, People's Republic of China
| | - Zhi Wang
- Department of Otolaryngology, The Second Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, People's Republic of China
| | - Yanpeng Fu
- Department of Otolaryngology, The Second Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, People's Republic of China
| | - Shuhong Wu
- Department of Otolaryngology, The Second Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, People's Republic of China
| | - Yaqiong Zhu
- Department of Otolaryngology, The Second Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, People's Republic of China
| | - Jiasheng Yuan
- Department of Otolaryngology, The Second Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, People's Republic of China
| | - Yuehui Liu
- Department of Otolaryngology, The Second Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, People's Republic of China.
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Zhu L, Zhou J, Yu C, Gu L, Wang Q, Xu H, Zhu Y, Guo M, Hu M, Peng W, Fang H, Wang H. Unraveling the Molecular Regulation of Ferroptosis in Respiratory Diseases. J Inflamm Res 2024; 17:2531-2546. [PMID: 38689798 PMCID: PMC11059637 DOI: 10.2147/jir.s457092] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2023] [Accepted: 04/06/2024] [Indexed: 05/02/2024] Open
Abstract
Ferroptosis, a type of programmed cell death that relies on iron, is distinct in terms of its morphological, biochemical and genetic features. Unlike other forms of cell death, such as autophagy, apoptosis, necrosis, and pyroptosis, ferroptosis is primarily caused by lipid peroxidation. Cells that die due to iron can potentially trigger an immune response which intensifies inflammation and causes severe inflammatory reactions that eventually lead to multiple organ failure. In recent years, ferroptosis has been identified in an increasing number of medical fields, including neurological pathologies, chronic liver diseases and sepsis. Ferroptosis has the potential to cause an inflammatory tempest, with many of the catalysts and pathological indications of respiratory ailments being linked to inflammatory reactions. The growing investigation into ferroptosis in respiratory disorders has also garnered significant interest to better understand the mechanism of ferroptosis in these diseases. In this review, the recent progress in understanding the molecular control of ferroptosis and its mechanism in different respiratory disorders is examined. In addition, this review discusses current challenges and prospects for understanding the link between respiratory diseases and ferroptosis.
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Affiliation(s)
- Lujian Zhu
- Department of Infectious Diseases, Affiliated Jinhua Hospital, Zhejiang University School of Medicine, Jinhua, People’s Republic of China
| | - Jing Zhou
- Department of Infectious Diseases, Affiliated Jinhua Hospital, Zhejiang University School of Medicine, Jinhua, People’s Republic of China
| | - Chen Yu
- Department of Respiratory and Critical Care Medicine, Affiliated Jinhua Hospital, Zhejiang University School of Medicine, Jinhua, People’s Republic of China
| | - Lei Gu
- Department of Respiratory and Critical Care Medicine, the First Affiliated Hospital of Soochow University, Suzhou, People’s Republic of China
| | - Qin Wang
- Department of Infectious Diseases, Affiliated Jinhua Hospital, Zhejiang University School of Medicine, Jinhua, People’s Republic of China
| | - Hanglu Xu
- Department of Infectious Diseases, Affiliated Jinhua Hospital, Zhejiang University School of Medicine, Jinhua, People’s Republic of China
| | - Yin Zhu
- Department of Infectious Diseases, Taizhou Enze Medical Center (Group), Enze Hospital, Taizhou, People’s Republic of China
| | - Maodong Guo
- Department of Gastroenterology, Affiliated Jinhua Hospital, Zhejiang University School of Medicine, Jinhua, People’s Republic of China
| | - Minli Hu
- Department of Gastroenterology, Affiliated Jinhua Hospital, Zhejiang University School of Medicine, Jinhua, People’s Republic of China
| | - Wei Peng
- Department of Intensive Care Unit, Affiliated Jinhua Hospital, Zhejiang University School of Medicine, Jinhua, People’s Republic of China
| | - Hao Fang
- Department of Trauma Surgery, Affiliated Jinhua Hospital, Zhejiang University School of Medicine, Jinhua, People’s Republic of China
| | - Haizhen Wang
- Department of Health Management Center, Affiliated Jinhua Hospital, Zhejiang University School of Medicine, Jinhua, People’s Republic of China
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Sun HJ, Jiao B, Wang Y, Zhang YH, Chen G, Wang ZX, Zhao H, Xie Q, Song XH. Necroptosis contributes to non-alcoholic fatty liver disease pathoetiology with promising diagnostic and therapeutic functions. World J Gastroenterol 2024; 30:1968-1981. [PMID: 38681120 PMCID: PMC11045491 DOI: 10.3748/wjg.v30.i14.1968] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/06/2024] [Revised: 02/15/2024] [Accepted: 03/25/2024] [Indexed: 04/12/2024] Open
Abstract
Nonalcoholic fatty liver disease (NAFLD) is the most prevalent type of chronic liver disease. However, the disease is underappreciated as a remarkable chronic disorder as there are rare managing strategies. Several studies have focused on determining NAFLD-caused hepatocyte death to elucidate the disease pathoetiology and suggest functional therapeutic and diagnostic options. Pyroptosis, ferroptosis, and necroptosis are the main subtypes of non-apoptotic regulated cell deaths (RCDs), each of which represents particular characteristics. Considering the complexity of the findings, the present study aimed to review these types of RCDs and their contribution to NAFLD progression, and subsequently discuss in detail the role of necroptosis in the pathoetiology, diagnosis, and treatment of the disease. The study revealed that necroptosis is involved in the occurrence of NAFLD and its progression towards steatohepatitis and cancer, hence it has potential in diagnostic and therapeutic approaches. Nevertheless, further studies are necessary.
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Affiliation(s)
- Hong-Ju Sun
- Department of General Medicine, Qingdao Central Hospital, University of Health and Rehabilitation Sciences (Qingdao Central Medical Group), Qingdao 266042, Shandong Province, China
| | - Bo Jiao
- Department of General Medicine, Qingdao Central Hospital, University of Health and Rehabilitation Sciences (Qingdao Central Medical Group), Qingdao 266042, Shandong Province, China
| | - Yan Wang
- Department of Gastroenterology, Qingdao Central Hospital, University of Health and Rehabilitation Sciences (Qingdao Central Medical Group), Qingdao 266042, Shandong Province, China
| | - Yue-Hua Zhang
- Department of Medical Administration, Qingdao Central Hospital, University of Health and Rehabilitation Sciences (Qingdao Central Medical Group), Qingdao 266042, Shandong Province, China
| | - Ge Chen
- Department of Gastroenterology, Qingdao Central Hospital, University of Health and Rehabilitation Sciences (Qingdao Central Medical Group), Qingdao 266042, Shandong Province, China
- Qingdao Medical College, Qingdao University, Qingdao 266042, Shandong Province, China
| | - Zi-Xuan Wang
- Department of Gastroenterology, Qingdao Central Hospital, University of Health and Rehabilitation Sciences (Qingdao Central Medical Group), Qingdao 266042, Shandong Province, China
- Qingdao Medical College, Qingdao University, Qingdao 266042, Shandong Province, China
| | - Hong Zhao
- Department of Gastroenterology, Qingdao Central Hospital, University of Health and Rehabilitation Sciences (Qingdao Central Medical Group), Qingdao 266042, Shandong Province, China
| | - Qing Xie
- Department of Infectious Diseases, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Xiao-Hua Song
- Department of Gastroenterology, Qingdao Central Hospital, University of Health and Rehabilitation Sciences (Qingdao Central Medical Group), Qingdao 266042, Shandong Province, China
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Duché G, Sanderson JM. The Chemical Reactivity of Membrane Lipids. Chem Rev 2024; 124:3284-3330. [PMID: 38498932 PMCID: PMC10979411 DOI: 10.1021/acs.chemrev.3c00608] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Revised: 02/27/2024] [Accepted: 02/28/2024] [Indexed: 03/20/2024]
Abstract
It is well-known that aqueous dispersions of phospholipids spontaneously assemble into bilayer structures. These structures have numerous applications across chemistry and materials science and form the fundamental structural unit of the biological membrane. The particular environment of the lipid bilayer, with a water-poor low dielectric core surrounded by a more polar and better hydrated interfacial region, gives the membrane particular biophysical and physicochemical properties and presents a unique environment for chemical reactions to occur. Many different types of molecule spanning a range of sizes, from dissolved gases through small organics to proteins, are able to interact with membranes and promote chemical changes to lipids that subsequently affect the physicochemical properties of the bilayer. This Review describes the chemical reactivity exhibited by lipids in their membrane form, with an emphasis on conditions where the lipids are well hydrated in the form of bilayers. Key topics include the following: lytic reactions of glyceryl esters, including hydrolysis, aminolysis, and transesterification; oxidation reactions of alkenes in unsaturated fatty acids and sterols, including autoxidation and oxidation by singlet oxygen; reactivity of headgroups, particularly with reactive carbonyl species; and E/Z isomerization of alkenes. The consequences of reactivity for biological activity and biophysical properties are also discussed.
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Affiliation(s)
- Genevieve Duché
- Génie
Enzimatique et Cellulaire, Université
Technologique de Compiègne, Compiègne 60200, France
| | - John M Sanderson
- Chemistry
Department, Durham University, Durham DH1 3LE, United Kingdom
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10
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Su X, Wang Z, Li J, Gao S, Fan Y, Wang K. Hypermethylation of the glutathione peroxidase 4 gene promoter is associated with the occurrence of immune tolerance phase in chronic hepatitis B. Virol J 2024; 21:72. [PMID: 38515187 PMCID: PMC10958902 DOI: 10.1186/s12985-024-02346-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2023] [Accepted: 03/19/2024] [Indexed: 03/23/2024] Open
Abstract
BACKGROUND Hepatitis B virus (HBV) infection is a public health problem that seriously threatens human health. This study aimed to investigate the clinical significance of glutathione peroxidase 4(GPX4) in the occurrence and development of chronic hepatitis B (CHB). METHODS A total of 169 participants including 137 patients with CHB and 32 healthy controls (HCs) were recruited. We detected the expression of GPX4 and stimulator of interferon genes (STING) in peripheral blood mononuclear cells (PBMCs) by real-time quantitative polymerase chain reaction (RT-qPCR). The methylation level of GPX4 gene promoter in PBMCs was detected by TaqMan probe-based quantitative methylation-specific PCR (MethyLight). Enzyme-linked immunosorbent assay (ELISA) was performed to detect the serum levels of GPX4, IFN-β, oxidative stress (OS) related molecules, and pro-inflammatory cytokines. RESULTS The expression levels of GPX4 in PBMCs and serum of CHB patients were lower than those of HCs, but the methylation levels of GPX4 promoter were higher than those of HCs, especially in patients at the immune tolerance phase. STING mRNA expression levels in PBMCs and serum IFN-β levels of patients at the immune activation phase and reactivation phase of CHB were higher than those at other clinical phases of CHB and HCs. GPX4 mRNA expression level and methylation level in PBMCs from patients with CHB had a certain correlation with STING and IFN-β expression levels. In addition, the methylation level of the GPX4 promoter in PBMCs from patients with CHB was correlated with molecules associated with OS and inflammation. CONCLUSIONS GPX4 may play an important role in the pathogenesis and immune tolerance of CHB, which may provide new ideas for the functional cure of CHB.
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Affiliation(s)
- Xing Su
- Department of Hepatology, Qilu Hospital of Shandong University, Wenhuaxi Road 107#, 250012, Jinan City, Shandong Province, China
| | - Zhaohui Wang
- Department of Hepatology, Qilu Hospital of Shandong University, Wenhuaxi Road 107#, 250012, Jinan City, Shandong Province, China
| | - Jihui Li
- Department of Hepatology, Qilu Hospital of Shandong University, Wenhuaxi Road 107#, 250012, Jinan City, Shandong Province, China
| | - Shuai Gao
- Department of Hepatology, Qilu Hospital of Shandong University, Wenhuaxi Road 107#, 250012, Jinan City, Shandong Province, China
- Hepatology Institute of Shandong University, 250012, Jinan, Shandong, China
| | - Yuchen Fan
- Department of Hepatology, Qilu Hospital of Shandong University, Wenhuaxi Road 107#, 250012, Jinan City, Shandong Province, China
- Hepatology Institute of Shandong University, 250012, Jinan, Shandong, China
| | - Kai Wang
- Department of Hepatology, Qilu Hospital of Shandong University, Wenhuaxi Road 107#, 250012, Jinan City, Shandong Province, China.
- Hepatology Institute of Shandong University, 250012, Jinan, Shandong, China.
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Song YH, Lei HX, Yu D, Zhu H, Hao MZ, Cui RH, Meng XS, Sheng XH, Zhang L. Endogenous chemicals guard health through inhibiting ferroptotic cell death. Biofactors 2024; 50:266-293. [PMID: 38059412 DOI: 10.1002/biof.2015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Accepted: 10/17/2023] [Indexed: 12/08/2023]
Abstract
Ferroptosis is a new form of regulated cell death caused by iron-dependent accumulation of lethal polyunsaturated phospholipids peroxidation. It has received considerable attention owing to its putative involvement in a wide range of pathophysiological processes such as organ injury, cardiac ischemia/reperfusion, degenerative disease and its prevalence in plants, invertebrates, yeasts, bacteria, and archaea. To counter ferroptosis, living organisms have evolved a myriad of intrinsic efficient defense systems, such as cyst(e)ine-glutathione-glutathione peroxidase 4 system (cyst(e)ine-GPX4 system), guanosine triphosphate cyclohydrolase 1/tetrahydrobiopterin (BH4) system (GCH1/BH4 system), ferroptosis suppressor protein 1/coenzyme Q10 system (FSP1/CoQ10 system), and so forth. Among these, GPX4 serves as the only enzymatic protection system through the reduction of lipid hydroperoxides, while other defense systems ultimately rely on small compounds to scavenge lipid radicals and prevent ferroptotic cell death. In this article, we systematically summarize the chemical biology of lipid radical trapping process by endogenous chemicals, such as coenzyme Q10 (CoQ10), BH4, hydropersulfides, vitamin K, vitamin E, 7-dehydrocholesterol, with the aim of guiding the discovery of novel ferroptosis inhibitors.
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Affiliation(s)
- Yuan-Hao Song
- College of Chemistry, Chemical Engineering and Materials Science, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Shandong Provincial Key Laboratory of Clean Production of Fine Chemicals, Shandong Normal University, Jinan, China
| | - Hong-Xu Lei
- Institute of Process Engineering, Chinese Academy of Sciences, Beijing, China
- Department of Chemistry, University of Chinese Academy of Sciences, Beijing, China
| | - Dou Yu
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Shandong First Medical University, Jinan, China
| | - Hao Zhu
- College of Chemistry, Chemical Engineering and Materials Science, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Shandong Provincial Key Laboratory of Clean Production of Fine Chemicals, Shandong Normal University, Jinan, China
| | - Meng-Zhu Hao
- College of Chemistry, Chemical Engineering and Materials Science, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Shandong Provincial Key Laboratory of Clean Production of Fine Chemicals, Shandong Normal University, Jinan, China
| | - Rong-Hua Cui
- College of Chemistry, Chemical Engineering and Materials Science, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Shandong Provincial Key Laboratory of Clean Production of Fine Chemicals, Shandong Normal University, Jinan, China
| | - Xiang-Shuai Meng
- College of Chemistry, Chemical Engineering and Materials Science, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Shandong Provincial Key Laboratory of Clean Production of Fine Chemicals, Shandong Normal University, Jinan, China
| | - Xie-Huang Sheng
- College of Chemistry, Chemical Engineering and Materials Science, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Shandong Provincial Key Laboratory of Clean Production of Fine Chemicals, Shandong Normal University, Jinan, China
| | - Lei Zhang
- Department of Orthopedic Surgery, The First Affiliated Hospital of Shandong First Medical University and Shandong Provincial Qianfoshan Hospital, Tissue Engineering Laboratory, Jinan, China
- Department of Radiology, Shandong First Medical University, Shandong Key Laboratory of Rheumatic Disease and Translational Medicine, Jinan, China
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Shi W, Zhang H, Zhang Y, Lu L, Zhou Q, Wang Y, Pu Y, Yin L. Co-exposure to Fe, Zn, and Cu induced neuronal ferroptosis with associated lipid metabolism disorder via the ERK/cPLA2/AA pathway. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 336:122438. [PMID: 37625769 DOI: 10.1016/j.envpol.2023.122438] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/22/2023] [Revised: 08/06/2023] [Accepted: 08/21/2023] [Indexed: 08/27/2023]
Abstract
Excessive amounts of iron (Fe), zinc (Zn), and copper (Cu) can be toxic to neuronal cells, even though these are essential trace elements for animals and humans. However, the precise mechanisms underlying the neurotoxicity of exposure to mixtures of Fe, Zn, and Cu are still mostly unclear. The research aimed to investigate the influence of co-exposure to iron, zinc and copper and the related mechanisms in HT22 murine hippocampal neuronal cells. Intracellular metal content, markers of oxidative damage, and biomarkers of ferroptosis were respectively detected. Afterward, metabolomic analyses were performed to obtain a comprehensive understanding of the metal mixtures on metabolism, and the functions of key enzymes on metabolic pathways were validated. The results showed that metal co-exposure resulted in cellular iron overload and increased lipid peroxidation, accompanied by significant pathological damage and mitochondrial abnormalities in HT22 cells. Meanwhile, it was found that GSH depletion, decreased GPX4, and increased expression of the lipid metabolism gene ACSL4 play important roles in ferroptosis induced by metal mixture. Further, metabolomic analysis revealed metal co-exposure induced significant alterations in metabolite levels, especially in the glycerophospholipid metabolism pathway and the arachidonic acid metabolism pathway. The levels of cPLA2 and its metabolite, arachidonic acid, were significantly increased after metal co-exposure. Then, inhibition of cPLA2 decreased the level of arachidonic acid and attenuated ferroptosis in neuronal cells. Collectively, our findings unveiled ferroptosis induced by metal co-exposure associated with crucial molecular changes in neuronal cells, providing a novel perspective on the comprehensive toxicity risk assessment of metal mixtures.
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Affiliation(s)
- Wei Shi
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education of China, School of Public Health, Southeast University, Nanjing, 210009, Jiangsu, China.
| | - Hu Zhang
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education of China, School of Public Health, Southeast University, Nanjing, 210009, Jiangsu, China
| | - Ying Zhang
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education of China, School of Public Health, Southeast University, Nanjing, 210009, Jiangsu, China
| | - Lu Lu
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education of China, School of Public Health, Southeast University, Nanjing, 210009, Jiangsu, China
| | - Qian Zhou
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education of China, School of Public Health, Southeast University, Nanjing, 210009, Jiangsu, China
| | - Yucheng Wang
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education of China, School of Public Health, Southeast University, Nanjing, 210009, Jiangsu, China
| | - Yuepu Pu
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education of China, School of Public Health, Southeast University, Nanjing, 210009, Jiangsu, China
| | - Lihong Yin
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education of China, School of Public Health, Southeast University, Nanjing, 210009, Jiangsu, China.
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13
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Shi Y, Shi X, Zhao M, Chang M, Ma S, Zhang Y. Ferroptosis: A new mechanism of traditional Chinese medicine compounds for treating acute kidney injury. Biomed Pharmacother 2023; 163:114849. [PMID: 37172334 DOI: 10.1016/j.biopha.2023.114849] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Revised: 04/27/2023] [Accepted: 05/04/2023] [Indexed: 05/14/2023] Open
Abstract
Acute kidney injury (AKI) is a major health concern owing to its high morbidity and mortality rates, to which there are no drugs or treatment methods, except for renal replacement therapy. Therefore, identifying novel therapeutic targets and drugs for treating AKI is urgent. Ferroptosis is an iron-dependent and lipid-peroxidation-driven regulatory form of cell death and is closely associated with the occurrence and development of AKI. Traditional Chinese medicine (TCM) has unique advantages in treating AKI due to its natural origin and efficacy. In this review, we summarize the mechanisms underlying ferroptosis and its role in AKI, and TCM compounds that play essential roles in the prevention and treatment of AKI by inhibiting ferroptosis. This review suggests ferroptosis as a potential therapeutic target for AKI, and that TCM compounds show broad prospects in the treatment of AKI by targeting ferroptosis.
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Affiliation(s)
- Yue Shi
- Department of Nephrology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing 100091, China
| | - Xiujie Shi
- Department of Nephrology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing 100091, China
| | - Mingming Zhao
- Department of Nephrology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing 100091, China
| | - Meiying Chang
- Department of Nephrology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing 100091, China
| | - Sijia Ma
- Institute of Basic Theory for Chinese Medicine, China Academy of Chinese Medical Sciences, Beijing 100700, China
| | - Yu Zhang
- Department of Nephrology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing 100091, China.
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Shafieipour N, Jafari Khamirani H, Kamal N, Tabei SMB, Dianatpour M, Dastgheib SA. The third patient of ACACA-related acetyl-CoA carboxylase deficiency with seizure and literature review. Eur J Med Genet 2023; 66:104707. [PMID: 36709796 DOI: 10.1016/j.ejmg.2023.104707] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2022] [Revised: 11/30/2022] [Accepted: 01/15/2023] [Indexed: 01/27/2023]
Abstract
Pathogenic variants in ACACA are the cause of acetyl-CoA carboxylase deficiency with an autosomal recessive inheritance that is identified by hypotonia, motor, and intellectual developmental delay. In this article, we describe a seven-year-old boy who is the child of consanguineous parents with a homozygous variant in ACACA (NM_198834.3:c.6641C > A, p.P2214H) that was detected by Whole-Exome Sequencing and confirmed by Sanger sequencing. This is the first reported patient of acetyl-CoA carboxylase deficiency that results from a homozygous pathogenic variant in the ACACA gene in the Iranian family. The proband presents with motor and intellectual developmental delay, muscle weakness, language disorder, facial dysmorphism, and poor growth. The patient discussed here is similar to other patients that were previously published; however, we were able to identify seizure that has hitherto not been reported. This paper describes the third person with a novel variant in the ACACA gene in the world that accounts for acetyl-CoA carboxylase deficiency and implicates the clinical spectrum of the disease. Finally, we describe an individual-based review of the symptoms associated with acetyl-CoA carboxylase deficiency. So far, only two acetyl-CoA carboxylase deficiency patients have been reviewed in the literature.
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Affiliation(s)
- Negin Shafieipour
- Department of Medical Genetics, Shiraz University of Medical Sciences, Iran
| | | | - Neda Kamal
- Department of Medical Genetics, Shiraz University of Medical Sciences, Iran
| | - Seyed Mohammad Bagher Tabei
- Department of Medical Genetics, Shiraz University of Medical Sciences, Iran; Maternal-fetal Medicine Research Center, Shiraz University of Medical Sciences, Iran
| | - Mehdi Dianatpour
- Department of Medical Genetics, Shiraz University of Medical Sciences, Iran; Stem Cells Technology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
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15
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Randolph JT, O'Connor MJ, Han F, Hutchins CW, Siu YA, Cho M, Zheng Y, Hickson JA, Markley JL, Manaves V, Algire M, Baker KA, Chapman AM, Gopalakrishnan SM, Panchal SC, Foster-Duke K, Stolarik DF, Kempf-Grote A, Dammeier D, Fossey S, Sun Q, Sun C, Shen Y, Dart MJ, Kati WM, Lai A, Firestone AJ, Kort ME. Discovery of a Potent Chloroacetamide GPX4 Inhibitor with Bioavailability to Enable Target Engagement in Mice, a Potential Tool Compound for Inducing Ferroptosis In Vivo. J Med Chem 2023; 66:3852-3865. [PMID: 36877935 DOI: 10.1021/acs.jmedchem.2c01415] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/08/2023]
Abstract
Compounds that inhibit glutathione peroxidase 4 (GPX4) hold promise as cancer therapeutics in their ability to induce a form of nonapoptotic cell death called ferroptosis. Our research identified 24, a structural analog of the potent GPX4 inhibitor RSL3, that has much better plasma stability (t1/2 > 5 h in mouse plasma). The bioavailability of 24 provided efficacious plasma drug concentrations with IP dosing, thus enabling in vivo studies to assess tolerability and efficacy. An efficacy study in mouse using a GPX4-sensitive tumor model found that doses of 24 up to 50 mg/kg were tolerated for 20 days but had no effect on tumor growth, although partial target engagement was observed in tumor homogenate.
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Affiliation(s)
| | | | - Fei Han
- Abbvie Inc., North Chicago, Illinois 60064, United States
| | | | - Y Amy Siu
- Abbvie Inc., North Chicago, Illinois 60064, United States
| | - Min Cho
- Calico Life Sciences LLC, South San Francisco, California 94080, United States
| | - Yunan Zheng
- Abbvie Inc., North Chicago, Illinois 60064, United States
| | | | - Jana L Markley
- Abbvie Inc., North Chicago, Illinois 60064, United States
| | | | - Mikkel Algire
- Abbvie Inc., North Chicago, Illinois 60064, United States
| | - Kenton A Baker
- Abbvie Inc., North Chicago, Illinois 60064, United States
| | - Alex M Chapman
- Abbvie Inc., North Chicago, Illinois 60064, United States
| | | | | | | | | | | | - Darby Dammeier
- Abbvie Inc., North Chicago, Illinois 60064, United States
| | - Stacey Fossey
- Abbvie Inc., North Chicago, Illinois 60064, United States
| | - Qi Sun
- Abbvie Inc., North Chicago, Illinois 60064, United States
| | - Chaohong Sun
- Abbvie Inc., North Chicago, Illinois 60064, United States
| | - Yu Shen
- Abbvie Inc., North Chicago, Illinois 60064, United States
| | - Michael J Dart
- Abbvie Inc., North Chicago, Illinois 60064, United States
| | - Warren M Kati
- Abbvie Inc., North Chicago, Illinois 60064, United States
| | - Albert Lai
- Abbvie Inc., North Chicago, Illinois 60064, United States
| | - Ari J Firestone
- Calico Life Sciences LLC, South San Francisco, California 94080, United States
| | - Michael E Kort
- Abbvie Inc., North Chicago, Illinois 60064, United States
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16
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Huang Y, Li C, Zhang X, Zhang M, Ma Y, Qin D, Tang S, Fei W, Qin J. Nanotechnology-integrated ovarian cancer metastasis therapy: Insights from the metastatic mechanisms into administration routes and therapy strategies. Int J Pharm 2023; 636:122827. [PMID: 36925023 DOI: 10.1016/j.ijpharm.2023.122827] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Revised: 03/03/2023] [Accepted: 03/09/2023] [Indexed: 03/18/2023]
Abstract
Ovarian cancer is a kind of malignant tumour which locates in the pelvic cavity without typical clinical symptoms in the early stages. Most patients are diagnosed in the late stage while about 60 % of them have suffered from the cancer cells spreading in the abdominal cavity. The high recurrence rate and mortality seriously damage the reproductive needs and health of women. Although recent advances in therapeutic regimes and other adjuvant therapies improved the overall survival of ovarian cancer, overcoming metastasis has still been a challenge and is necessary for achieving cure of ovarian cancer. To present potential targets and new strategies for curbing the occurrence of ovarian metastasis and the treatment of ovarian cancer after metastasis, the first section of this paper explained the metastatic mechanisms of ovarian cancer comprehensively. Nanomedicine, not limited to drug delivery, offers opportunities for metastatic ovarian cancer therapy. The second section of this paper emphasized the advantages of various administration routes of nanodrugs in metastatic ovarian cancer therapy. Furthermore, the third section of this paper focused on advances in nanotechnology-integrated strategies for targeting metastatic ovarian cancer based on the metastatic mechanisms of ovarian cancer. Finally, the challenges and prospects of nanotherapeutics for ovarian cancer metastasis therapy were evaluated. In general, the greatest emphasis on using nanotechnology-based strategies provides avenues for improving metastatic ovarian cancer outcomes in the future.
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Affiliation(s)
- Yu Huang
- Academy of Chinese Medical Sciences, Zhejiang Chinese Medical University, Hangzhou 310053, China
| | - Chaoqun Li
- Women's Hospital, School of Medicine, Zhejiang University, Hangzhou 310006, China
| | - Xiao Zhang
- Women's Hospital, School of Medicine, Zhejiang University, Hangzhou 310006, China
| | - Meng Zhang
- Women's Hospital, School of Medicine, Zhejiang University, Hangzhou 310006, China
| | - Yidan Ma
- Department of Pharmacy, Yipeng Medical Care Center, Hangzhou 311225, China
| | - Dongxu Qin
- Women's Hospital, School of Medicine, Zhejiang University, Hangzhou 310006, China
| | - Sangsang Tang
- Women's Hospital, School of Medicine, Zhejiang University, Hangzhou 310006, China
| | - Weidong Fei
- Women's Hospital, School of Medicine, Zhejiang University, Hangzhou 310006, China.
| | - Jiale Qin
- Women's Hospital, School of Medicine, Zhejiang University, Hangzhou 310006, China.
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17
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Vitamin E protective effects on genomic and cellular damage caused by paediatric preventive supplementation for anaemia: an experimental model. Br J Nutr 2023; 129:468-477. [PMID: 35591764 DOI: 10.1017/s0007114522001556] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
Iron deficiency is the leading cause of anaemia. In Argentina, the prevalence of anaemia and iron deficiency is very high; for that reason, the Argentine Society of Pediatrics recommends daily ferrous sulphate supplementation as a preventive treatment strategy. Alternatively, weekly ferrous sulphate supplementation has also been shown to be effective for anaemia prevention. Excess iron could be related to oxidative stress, which may in turn cause cytomolecular damage. Both can be prevented with vitamin E supplementation. We evaluated the effect of both daily and weekly ferrous sulphate supplementation combined with two doses of vitamin E on cell viability, oxidative stress and cytomolecular damage in peripheral blood cultured in vitro. The experimental design included the following groups: untreated negative control, two vitamin E controls (8·3 and 16·6 µg/ml), weekly ferrous sulphate supplementation (0·55 mg/ml) with each vitamin E dose, daily ferrous sulphate supplementation (0·14 mg/ml) with each vitamin E dose and a positive control. Daily ferrous sulphate supplementation decreased cell viability and increased the levels of reactive oxygen species, lipid peroxidation and cytomolecular damage (P < 0·5) compared with the weekly supplementation, probably due to the excess iron observed in the former. Vitamin E seemed to reduce ferrous sulphate-induced oxidative stress and genomic damage.
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18
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Zhan L, Liu C, Qi K, Wu L, Xiong Y, Zhang X, Zang J, Pan Y. Enhanced imaging of endogenous metabolites by negative ammonia assisted DESI/PI mass spectrometry. Talanta 2023; 252:123864. [DOI: 10.1016/j.talanta.2022.123864] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Revised: 08/16/2022] [Accepted: 08/18/2022] [Indexed: 10/15/2022]
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Luo H, Wang X, Song S, Wang Y, Dan Q, Ge H. Targeting stearoyl-coa desaturase enhances radiation induced ferroptosis and immunogenic cell death in esophageal squamous cell carcinoma. Oncoimmunology 2022; 11:2101769. [PMID: 35859734 PMCID: PMC9291654 DOI: 10.1080/2162402x.2022.2101769] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Overcoming resistance to radiation is a major challenge in cancer treatment. Stearoyl-coa desaturase (SCD1) is the enzyme responsible for oleic acid (OA) and palmitoleic acid (POA) formation. Here, we provided evidence that targeting SCD1 was capable of inducing ferroptosis and immunogenic cell death (ICD), thereby improving the radiation sensitivity of esophageal squamous cell carcinoma (ESCC). ESCC cell lines with high SCD1 expression were treated with MF-438 (SCD1 inhibitor) to determine cell viability. Colony formation assay was performed to evaluate the radiation sensitization of SCD1 inhibitor. Tumor cell ferroptosis and ICD was analyzed in MF-438, radiation therapy (RT) and the combination treatment group. The potential molecular mechanisms underlying MF-438 as a novel radiation sensitizer in ESCC were explored. We concluded by assessing SCD1 as a prognostic factor in ESCC. MF-438 exhibited antitumor activity in ESCC cells. Our outcomes revealed significant improvement of radiation sensitivity by MF-438. Moreover, the combination treatment enhanced tumor cell ferroptosis and ICD. Further analyses revealed SCD1 conferred radiation resistance via alleviating ferroptosis in tumor cells; targeting SCD1 inhibited the biosynthesis of OA and POA, and improved radiation induced ferroptosis in ESCC cells. Clinical analysis indicated high expression of SCD1 was associated with unfavorable survival in patients of ESCC. In summary, our results demonstrated that MF-438 acted as a ferroptosis inducer. Targeting SCD1 conferred the immunogenicity of ferroptotic cancer cells and increased the effectiveness of RT in ESCC. SCD1 could be considered as a useful prognostic indicator of survival in ESCC.
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Affiliation(s)
- Hui Luo
- Department of Radiation Oncology, The Affiliated Cancer Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Xiaohui Wang
- Department of Radiation Oncology, The Affiliated Cancer Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Shuai Song
- Department of Radiation Oncology, The Affiliated Cancer Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Yunhan Wang
- Department of Radiation Oncology, The Affiliated Cancer Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Qinfu Dan
- Department of Radiation Oncology, The Affiliated Cancer Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Hong Ge
- Department of Radiation Oncology, The Affiliated Cancer Hospital of Zhengzhou University, Zhengzhou, Henan, China
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Liu H, Forouhar F, Lin AJ, Wang Q, Polychronidou V, Soni RK, Xia X, Stockwell BR. Small-molecule allosteric inhibitors of GPX4. Cell Chem Biol 2022; 29:1680-1693.e9. [PMID: 36423641 PMCID: PMC9772252 DOI: 10.1016/j.chembiol.2022.11.003] [Citation(s) in RCA: 32] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Revised: 02/27/2022] [Accepted: 11/02/2022] [Indexed: 11/24/2022]
Abstract
Encouraged by the dependence of drug-resistant, metastatic cancers on GPX4, we examined biophysical mechanisms of GPX4 inhibition, which revealed an unexpected allosteric site. We found that this site was involved in native regeneration of GPX4 under low glutathione conditions. Covalent binding of inhibitors to this allosteric site caused a conformational change, inhibition of activity, and subsequent cellular GPX4 protein degradation. To verify this site in an unbiased manner, we screened a library of compounds and identified and validated that an additional compound can covalently bind in this allosteric site, inhibiting and degrading GPX4. We determined co-crystal structures of six different inhibitors bound in this site. We have thus identified an allosteric mechanism for small molecules targeting aggressive cancers dependent on GPX4.
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Affiliation(s)
- Hengrui Liu
- Department of Chemistry, Columbia University, New York, NY 10027, USA
| | - Farhad Forouhar
- Department of Biological Sciences, Columbia University, New York, NY 10027, USA; Herbert Irving Comprehensive Cancer Center, Columbia University, New York, NY 10032, USA
| | - Annie J Lin
- Department of Biological Sciences, Columbia University, New York, NY 10027, USA
| | - Qian Wang
- Department of Biological Sciences, Columbia University, New York, NY 10027, USA
| | | | - Rajesh Kumar Soni
- Herbert Irving Comprehensive Cancer Center, Columbia University, New York, NY 10032, USA
| | - Xin Xia
- Department of Biological Sciences, Columbia University, New York, NY 10027, USA
| | - Brent R Stockwell
- Department of Chemistry, Columbia University, New York, NY 10027, USA; Department of Biological Sciences, Columbia University, New York, NY 10027, USA; Herbert Irving Comprehensive Cancer Center, Columbia University, New York, NY 10032, USA; Irving Institute for Cancer Dynamics, Columbia University, New York, NY 10027, USA.
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21
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Metabolism-dependent ferroptosis promotes mitochondrial dysfunction and inflammation in CD4 + T lymphocytes in HIV-infected immune non-responders. EBioMedicine 2022; 86:104382. [PMID: 36462403 PMCID: PMC9718960 DOI: 10.1016/j.ebiom.2022.104382] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Revised: 10/29/2022] [Accepted: 11/09/2022] [Indexed: 12/03/2022] Open
Abstract
BACKGROUND HIV immune non-responders (INRs) are described as a failure to reestablish a pool of CD4+ T lymphocytes (CD4 cells) after antiretroviral therapy (ART), which is related to poor clinical results. Ferroptosis is a newly discovered form of cell death characterised by iron-dependent lipid peroxidation and the accumulation of reactive oxygen species (ROS). The mechanism of unrecoverable CD4 cells in INRs and whether ferroptosis plays a role are not fully understood. METHODS Ninety-two people living with HIV (PLHIVs) who experienced four-year ART with sustained viral suppression, including 27 INRs, 34 partial responders (PRs), and 31 complete responders (CRs); and 26 uninfected control participants (UCs) were analysed for 16 immune parameters with flow cytometry. Then plasma lipid, iron and oxidation, and antioxidant indicators were detected by ELISA, and CD4 cells were sorted out and visualised under transmission electron microscopy. Finally, ferroptosis inhibitors were added, and alterations in CD4 cell phenotype and function were observed. FINDINGS We found decreased recent thymic emigrants (RTE), over-activation and over-proliferation phenotypes, diminished killing function, decreased IL-7R and more severe inflammation; increased lipid peroxidation in the mitochondria and disruptions of the mitochondrial structure, showing typical features of ferroptosis in CD4 cells in INRs. Additionally, ferroptosis inhibitors could reduce inflammation and repair mitochondrial damage. Meanwhile, ELISA results showed increased plasma free fatty acids (FFA) and an imbalance of oxidative and antioxidant systems in INRs. Flow cytometry results displayed alterations of both transferrin receptor (CD71) and lipid transporter (CD36) expressions on the surface of CD4 cells. Mechanistically, there was a stronger correlation between CD36 expression and mitochondrial lipid peroxidation production, ferroptosis makers, and inflammation indicators; while amino acid transporter (CD98) was more related to killing functions; and CD71 was more closely related to activation status in CD4 cells. INTERPRETATION Cellular metabolism was closely correlated with its diverse functions in INRs. Ferroptosis was observed in CD4 cells of INRs, and inhibiting ferroptosis through modulating mitochondrial disorders and inflammation may offer an alternative immunological strategy for reinvigorating CD4 cells in INRs. FUNDING This research was supported by the 13th Five-year Plan, Ministry of Science and Technology of China (2018ZX10302-102), Beijing Municipal Administration of Hospitals' Ascent Plan (DFL20191802), and Beijing Municipal Administration of Hospitals Clinical Medicine Development of Special Funding Support (ZYLX202126).
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Zainal PW, Syukri D, Fahmy K, Imaizumi T, Thammawong M, Tsuta M, Nagata M, Nakano K. Lipidomic Profiling to Assess the Freshness of Stored Cabbage. FOOD ANAL METHOD 2022. [DOI: 10.1007/s12161-022-02422-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Guo L, Zhang Q, Liu Y. The role of microRNAs in ferroptosis. Front Mol Biosci 2022; 9:1003045. [PMID: 36310600 PMCID: PMC9596748 DOI: 10.3389/fmolb.2022.1003045] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Accepted: 09/20/2022] [Indexed: 11/23/2022] Open
Abstract
Ferroptosis is a newly discovered type of programmed cell death, which is closely related to the imbalance of iron metabolism and oxidative stress. Ferroptosis has become an important research topic in the fields of cardiomyopathy, tumors, neuronal injury disorders, and ischemia perfusion disorders. As an important part of non-coding RNA, microRNAs regulate various metabolic pathways in the human body at the post-transcriptional level and play a crucial role in the occurrence and development of many diseases. The present review introduces the mechanisms of ferroptosis and describes the relevant pathways by which microRNAs affect cardiomyopathy, tumors, neuronal injury disorders and ischemia perfusion disorders through regulating ferroptosis. In addition, it provides important insights into ferroptosis-related microRNAs, aiming to uncover new methods for treatment of the above diseases, and discusses new ideas for the implementation of possible microRNA-based ferroptosis-targeted therapies in the future.
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Affiliation(s)
- Liqing Guo
- Department of Otolaryngology, The Second Affiliated Hospital of Nanchang University, NanChang, China
- Jiangxi Province Key Laboratory of Molecular Medicine, Nanchang, China
| | - Qingkun Zhang
- Department of Otolaryngology, The Second Affiliated Hospital of Nanchang University, NanChang, China
| | - Yuehui Liu
- Department of Otolaryngology, The Second Affiliated Hospital of Nanchang University, NanChang, China
- *Correspondence: Yuehui Liu,
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24
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Li P, Zhang L, Guo Z, Kang Q, Chen C, Liu X, Ma Q, Zhang J, Hu Y, Wang T. Epimedium koreanum Nakai-Induced Liver Injury-A Mechanistic Study Using Untargeted Metabolomics. Front Pharmacol 2022; 13:934057. [PMID: 35910368 PMCID: PMC9326364 DOI: 10.3389/fphar.2022.934057] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2022] [Accepted: 05/30/2022] [Indexed: 11/13/2022] Open
Abstract
Epimedii Folium is widely used worldwide as an herbal supplement, and the risk of its induced liver damage has emerged in recent years. Our preliminary study has found that, among several Epimedii Folium species specified in the Chinese Pharmacopoeia, Epimedium koreanum Nakai has a more severe propensity for hepatotoxicity. However, the mechanism of hepatotoxicity of Epimedium koreanum Nakai is still unclear. In this study, untargeted metabolomics was performed to analyze the serum and liver tissue to explore the mechanism of hepatotoxicity of Epimedium koreanum Nakai. The results of experiments in vivo showed that, after 28 days of exposure to Epimedium koreanum Nakai ethanol extract (EEE), the liver weight, levels of AST, ALP, TBIL, etc. in serum of rats in the EEE group were significantly increased, as well as severe cytoplasmic vacuolation appeared in the liver tissue, which suggested that EEE has significant hepatotoxicity. Subsequently, the results of metabolomics revealed significant changes in the metabolic profile in the liver and serum of rats after EEE exposure, in which metabolites in serum such as flavin mononucleotide, phenylacetylglycine, glutathione, l-tryptophan, and sphingomyelin were able to accurately identify liver injury caused by EEE and could be used as serum markers to reflect EEE-induced liver injury. The KEGG pathway enrichment analysis revealed that EEE caused extensive effects on rats' metabolic pathways. Some of the most affected pathways included glutathione metabolism, glutamate metabolism pathway, primary bile acid biosynthesis pathway, and sphingolipid metabolism pathway, which were all directed to the biological process of ferroptosis. Then, the main markers related to ferroptosis in the liver were examined, and the results demonstrated that the content of malondialdehyde was significantly increased, the activity of superoxide dismutase was significantly reduced, the ferroptosis inhibitory proteins GPX4 and System xc - were significantly downregulated, and the ferroptosis-promoting protein ACSL4 was significantly up-regulated. Judging from these results, we concluded that the mechanism of hepatotoxicity of Epimedium koreanum Nakai was probably related to the induction of ferroptosis in hepatocytes.
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Affiliation(s)
| | - Lin Zhang
- Beijing Institute of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | | | | | | | | | | | | | | | - Ting Wang
- Beijing Institute of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
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25
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Wang YZ, Zhao W, Ammous F, Song Y, Du J, Shang L, Ratliff SM, Moore K, Kelly KM, Needham BL, Diez Roux AV, Liu Y, Butler KR, Kardia SLR, Mukherjee B, Zhou X, Smith JA. DNA Methylation Mediates the Association Between Individual and Neighborhood Social Disadvantage and Cardiovascular Risk Factors. Front Cardiovasc Med 2022; 9:848768. [PMID: 35665255 PMCID: PMC9162507 DOI: 10.3389/fcvm.2022.848768] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2022] [Accepted: 04/29/2022] [Indexed: 12/14/2022] Open
Abstract
Low socioeconomic status (SES) and living in a disadvantaged neighborhood are associated with poor cardiovascular health. Multiple lines of evidence have linked DNA methylation to both cardiovascular risk factors and social disadvantage indicators. However, limited research has investigated the role of DNA methylation in mediating the associations of individual- and neighborhood-level disadvantage with multiple cardiovascular risk factors in large, multi-ethnic, population-based cohorts. We examined whether disadvantage at the individual level (childhood and adult SES) and neighborhood level (summary neighborhood SES as assessed by Census data and social environment as assessed by perceptions of aesthetic quality, safety, and social cohesion) were associated with 11 cardiovascular risk factors including measures of obesity, diabetes, lipids, and hypertension in 1,154 participants from the Multi-Ethnic Study of Atherosclerosis (MESA). For significant associations, we conducted epigenome-wide mediation analysis to identify methylation sites mediating the relationship between individual/neighborhood disadvantage and cardiovascular risk factors using the JT-Comp method that assesses sparse mediation effects under a composite null hypothesis. In models adjusting for age, sex, race/ethnicity, smoking, medication use, and genetic principal components of ancestry, epigenetic mediation was detected for the associations of adult SES with body mass index (BMI), insulin, and high-density lipoprotein cholesterol (HDL-C), as well as for the association between neighborhood socioeconomic disadvantage and HDL-C at FDR q < 0.05. The 410 CpG mediators identified for the SES-BMI association were enriched for CpGs associated with gene expression (expression quantitative trait methylation loci, or eQTMs), and corresponding genes were enriched in antigen processing and presentation pathways. For cardiovascular risk factors other than BMI, most of the epigenetic mediators lost significance after controlling for BMI. However, 43 methylation sites showed evidence of mediating the neighborhood socioeconomic disadvantage and HDL-C association after BMI adjustment. The identified mediators were enriched for eQTMs, and corresponding genes were enriched in inflammatory and apoptotic pathways. Our findings support the hypothesis that DNA methylation acts as a mediator between individual- and neighborhood-level disadvantage and cardiovascular risk factors, and shed light on the potential underlying epigenetic pathways. Future studies are needed to fully elucidate the biological mechanisms that link social disadvantage to poor cardiovascular health.
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Affiliation(s)
- Yi Zhe Wang
- Department of Epidemiology, School of Public Health, University of Michigan, Ann Arbor, MI, United States
| | - Wei Zhao
- Department of Epidemiology, School of Public Health, University of Michigan, Ann Arbor, MI, United States
| | - Farah Ammous
- Department of Epidemiology, School of Public Health, University of Michigan, Ann Arbor, MI, United States
| | - Yanyi Song
- Department of Biostatistics, School of Public Health, University of Michigan, Ann Arbor, MI, United States
| | - Jiacong Du
- Department of Biostatistics, School of Public Health, University of Michigan, Ann Arbor, MI, United States
| | - Lulu Shang
- Department of Biostatistics, School of Public Health, University of Michigan, Ann Arbor, MI, United States
| | - Scott M. Ratliff
- Department of Epidemiology, School of Public Health, University of Michigan, Ann Arbor, MI, United States
| | - Kari Moore
- Urban Health Collaborative, Drexel University, Philadelphia, PA, United States
| | - Kristen M. Kelly
- Department of Epidemiology, School of Public Health, University of Michigan, Ann Arbor, MI, United States
| | - Belinda L. Needham
- Department of Epidemiology, School of Public Health, University of Michigan, Ann Arbor, MI, United States
| | - Ana V. Diez Roux
- Department of Epidemiology and Biostatistics, Dornsife School of Public Health, Drexel University, Philadelphia, PA, United States
| | - Yongmei Liu
- Division of Cardiology, Department of Medicine, Duke University School of Medicine, Durham, NC, United States
| | - Kenneth R. Butler
- Department of Medicine, Division of Geriatrics, University of Mississippi Medical Center, Jackson, MS, United States
| | - Sharon L. R. Kardia
- Department of Epidemiology, School of Public Health, University of Michigan, Ann Arbor, MI, United States
| | - Bhramar Mukherjee
- Department of Biostatistics, School of Public Health, University of Michigan, Ann Arbor, MI, United States
| | - Xiang Zhou
- Department of Biostatistics, School of Public Health, University of Michigan, Ann Arbor, MI, United States
| | - Jennifer A. Smith
- Department of Epidemiology, School of Public Health, University of Michigan, Ann Arbor, MI, United States
- Survey Research Center, Institute for Social Research, University of Michigan, Ann Arbor, MI, United States
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26
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Kreiser RP, Wright AK, Sasser LR, Rinauro DJ, Gabriel JM, Hsu CM, Hurtado JA, McKenzie TL, Errico S, Albright JA, Richardson L, Jaffett VA, Riegner DE, Nguyen LT, LeForte K, Zasloff M, Hollows JE, Chiti F, Vendruscolo M, Limbocker R. A Brain-Permeable Aminosterol Regulates Cell Membranes to Mitigate the Toxicity of Diverse Pore-Forming Agents. ACS Chem Neurosci 2022; 13:1219-1231. [PMID: 35404569 PMCID: PMC9026273 DOI: 10.1021/acschemneuro.1c00840] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
![]()
The molecular composition
of the plasma membrane plays a key role
in mediating the susceptibility of cells to perturbations induced
by toxic molecules. The pharmacological regulation of the properties
of the cell membrane has therefore the potential to enhance cellular
resilience to a wide variety of chemical and biological compounds.
In this study, we investigate the ability of claramine, a blood–brain
barrier permeable small molecule in the aminosterol class, to neutralize
the toxicity of acute biological threat agents, including melittin
from honeybee venom and α-hemolysin from Staphylococcus
aureus. Our results show that claramine neutralizes
the toxicity of these pore-forming agents by preventing their interactions
with cell membranes without perturbing their structures in a detectable
manner. We thus demonstrate that the exogenous administration of an
aminosterol can tune the properties of lipid membranes and protect
cells from diverse biotoxins, including not just misfolded protein
oligomers as previously shown but also biological protein-based toxins.
Our results indicate that the investigation of regulators of the physicochemical
properties of cell membranes offers novel opportunities to develop
countermeasures against an extensive set of cytotoxic effects associated
with cell membrane disruption.
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Affiliation(s)
- Ryan P. Kreiser
- Department of Chemistry and Life Science, United States Military Academy, West Point, New York 10996, United States
| | - Aidan K. Wright
- Department of Chemistry and Life Science, United States Military Academy, West Point, New York 10996, United States
| | - Liam R. Sasser
- Department of Chemistry and Life Science, United States Military Academy, West Point, New York 10996, United States
| | - Dillon J. Rinauro
- Centre for Misfolding Diseases, Yusuf Hamied Department of Chemistry, University of Cambridge, Cambridge CB2 1EW, U.K
| | - Justus M. Gabriel
- Department of Chemistry and Life Science, United States Military Academy, West Point, New York 10996, United States
| | - Claire M. Hsu
- Department of Chemistry and Life Science, United States Military Academy, West Point, New York 10996, United States
| | - Jorge A. Hurtado
- Department of Chemistry and Life Science, United States Military Academy, West Point, New York 10996, United States
| | - Tristan L. McKenzie
- Department of Chemistry and Life Science, United States Military Academy, West Point, New York 10996, United States
| | - Silvia Errico
- Centre for Misfolding Diseases, Yusuf Hamied Department of Chemistry, University of Cambridge, Cambridge CB2 1EW, U.K
- Department of Experimental and Clinical Biomedical Sciences, University of Florence, Florence 50134, Italy
| | - J. Alex Albright
- Department of Chemistry and Life Science, United States Military Academy, West Point, New York 10996, United States
| | - Lance Richardson
- Department of Chemistry and Life Science, United States Military Academy, West Point, New York 10996, United States
| | - Victor A. Jaffett
- Department of Chemistry and Life Science, United States Military Academy, West Point, New York 10996, United States
| | - Dawn E. Riegner
- Department of Chemistry and Life Science, United States Military Academy, West Point, New York 10996, United States
| | - Lam T. Nguyen
- Department of Chemistry and Life Science, United States Military Academy, West Point, New York 10996, United States
| | - Kathleen LeForte
- Department of Chemistry and Life Science, United States Military Academy, West Point, New York 10996, United States
| | - Michael Zasloff
- MedStar-Georgetown Transplant Institute, Georgetown University School of Medicine, Washington, District of Columbia 20010, United States
| | - Jared E. Hollows
- Department of Chemistry and Life Science, United States Military Academy, West Point, New York 10996, United States
| | - Fabrizio Chiti
- Department of Experimental and Clinical Biomedical Sciences, University of Florence, Florence 50134, Italy
| | - Michele Vendruscolo
- Centre for Misfolding Diseases, Yusuf Hamied Department of Chemistry, University of Cambridge, Cambridge CB2 1EW, U.K
| | - Ryan Limbocker
- Department of Chemistry and Life Science, United States Military Academy, West Point, New York 10996, United States
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27
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Kong C, Ni X, Wang Y, Zhang A, Zhang Y, Lin F, Li S, Lv Y, Zhu J, Yao X, Dai Q, Mo Y, Wang J. ICA69 aggravates ferroptosis causing septic cardiac dysfunction via STING trafficking. Cell Death Dis 2022; 8:187. [PMID: 35397620 PMCID: PMC8994779 DOI: 10.1038/s41420-022-00957-y] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Revised: 02/03/2022] [Accepted: 03/16/2022] [Indexed: 12/30/2022]
Abstract
Previous studies have demonstrated that cardiomyocyte apoptosis, ferroptosis, and inflammation participate in the progress of sepsis-induced cardiomyopathy (SIC). Although Islet cell autoantigen 69 (ICA69) is an imperative molecule that could regulate inflammation and immune response in numerous illnesses, its function in cardiovascular disease, particularly in SIC, is still elusive. We confirmed that LPS significantly enhanced the expression of ICA69 in wild-type (WT) mice, macrophages, and cardiomyocytes. The knockout of ICA69 in lipopolysaccharide(LPS)-induced mice markedly elevated survival ratio and heart function, while inhibiting cardiac muscle and serum inflammatory cytokines, reactive oxygen (ROS), and ferroptosis biomarkers. Mechanistically, increased expression of ICA69 triggered the production of STING, which further resulted in the production of intracellular lipid peroxidation, eventually triggering ferroptosis and heart injury. Intriguingly, ICA69 deficiency only reversed the ferroptotic marker levels, such as prostaglandin endoperoxide synthase 2 (PTGS2), malonaldehyde (MDA), 4-hydroxynonenal (4HNE), glutathione peroxidase 4 (GPX4), superoxide dismutase (SOD), iron and lipid ROS, but had no effects on the xCT-dependent manner. Additionally, greater ICA69 level was identified in septic patients peripheralblood mononuclear cells (PBMCs) than in normal control groups. Generally, we unveil that ICA69 deficiency can relieve inflammation and ferroptosis in LPS-induced murine hearts and macrophages, making targeting ICA69 in heart a potentially promising treatment method for SIC.
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28
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Gindlhuber J, Schinagl M, Liesinger L, Darnhofer B, Tomin T, Schittmayer M, Birner-Gruenberger R. Hepatocyte Proteome Alterations Induced by Individual and Combinations of Common Free Fatty Acids. Int J Mol Sci 2022; 23:3356. [PMID: 35328776 PMCID: PMC8951603 DOI: 10.3390/ijms23063356] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Revised: 03/11/2022] [Accepted: 03/18/2022] [Indexed: 12/12/2022] Open
Abstract
Non-alcoholic fatty liver disease is a pathology with a hard-to-detect onset and is estimated to be present in a quarter of the adult human population. To improve our understanding of the development of non-alcoholic fatty liver disease, we treated a human hepatoma cell line model, HepG2, with increasing concentrations of common fatty acids, namely myristic, palmitic and oleic acid. To reproduce more physiologically representative conditions, we also included combinations of these fatty acids and monitored the cellular response with an in-depth proteomics approach and imaging techniques. The two saturated fatty acids initially presented a similar phenotype of a dose-dependent decrease in growth rates and impaired lipid droplet formation. Detailed analysis revealed that the drop in the growth rates was due to delayed cell-cycle progression following myristic acid treatment, whereas palmitic acid led to cellular apoptosis. In contrast, oleic acid, as well as saturated fatty acid mixtures with oleic acid, led to a dose-dependent increase in lipid droplet volume without adverse impacts on cell growth. Comparing the effects of harmful single-fatty-acid treatments and the well-tolerated fatty acid mixes on the cellular proteome, we were able to differentiate between fatty-acid-specific cellular responses and likely common lipotoxic denominators.
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Affiliation(s)
- Juergen Gindlhuber
- Diagnostic and Research Institute of Pathology, Medical University of Graz, 8010 Graz, Austria; (J.G.); (M.S.); (L.L.); (B.D.)
- Institute of Chemical Technologies and Analytics, Technische Universität Wien, 1060 Vienna, Austria; (T.T.); (M.S.)
| | - Maximilian Schinagl
- Diagnostic and Research Institute of Pathology, Medical University of Graz, 8010 Graz, Austria; (J.G.); (M.S.); (L.L.); (B.D.)
- Institute of Chemical Technologies and Analytics, Technische Universität Wien, 1060 Vienna, Austria; (T.T.); (M.S.)
| | - Laura Liesinger
- Diagnostic and Research Institute of Pathology, Medical University of Graz, 8010 Graz, Austria; (J.G.); (M.S.); (L.L.); (B.D.)
- Institute of Chemical Technologies and Analytics, Technische Universität Wien, 1060 Vienna, Austria; (T.T.); (M.S.)
| | - Barbara Darnhofer
- Diagnostic and Research Institute of Pathology, Medical University of Graz, 8010 Graz, Austria; (J.G.); (M.S.); (L.L.); (B.D.)
| | - Tamara Tomin
- Institute of Chemical Technologies and Analytics, Technische Universität Wien, 1060 Vienna, Austria; (T.T.); (M.S.)
| | - Matthias Schittmayer
- Institute of Chemical Technologies and Analytics, Technische Universität Wien, 1060 Vienna, Austria; (T.T.); (M.S.)
| | - Ruth Birner-Gruenberger
- Diagnostic and Research Institute of Pathology, Medical University of Graz, 8010 Graz, Austria; (J.G.); (M.S.); (L.L.); (B.D.)
- Institute of Chemical Technologies and Analytics, Technische Universität Wien, 1060 Vienna, Austria; (T.T.); (M.S.)
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29
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The role of ALOX15B in heat stress-induced apoptosis of porcine sertoli cells. Theriogenology 2022; 185:6-15. [DOI: 10.1016/j.theriogenology.2022.03.018] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2021] [Revised: 03/15/2022] [Accepted: 03/17/2022] [Indexed: 01/03/2023]
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30
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Lipid Droplet-a New Target in Ischemic Heart Disease. J Cardiovasc Transl Res 2022; 15:730-739. [PMID: 34984637 DOI: 10.1007/s12265-021-10204-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Accepted: 12/22/2021] [Indexed: 10/19/2022]
Abstract
Lipid droplet (LD) is a kind of subcellular organelle, which originates from the endoplasmic reticulum (ER). LDs can move flexibly between other organelles and store energy in the cells. In recent years, LDs and lipid droplet-associated proteins have attracted added attention at home and abroad, especially in cardiovascular diseases. Cardiovascular diseases, especially ischemic heart disease (IHD), have always been the focus of attention because of their high morbidity and mortality. Atherosclerosis and myocardial remodeling are two important pathologic processes of IHD, and LDs and other organelles are involved in the development of the disease. The interaction between LDs and ER is involved in the formation of foam cells in atherosclerosis. And LDs, mitochondria, and lysosomes also affect the remodeling of cardiomyocytes by affecting ROS production and regulating PI3K/AKT pathways. In this article, we will review the role of LDs in IHD.
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31
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Zhao H, Xu Y, Shang H. Ferroptosis: A New Promising Target for Ovarian Cancer Therapy. Int J Med Sci 2022; 19:1847-1855. [PMID: 36438923 PMCID: PMC9682507 DOI: 10.7150/ijms.76480] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Accepted: 10/08/2022] [Indexed: 11/06/2022] Open
Abstract
Ferroptosis is a novel kind of regulated cell death distinct from autophagy, apoptosis, and necrosis; it is predominantly caused by the iron-dependent lipid peroxidation. According to studies, numerous conventional signaling pathways and biological processes are implicated in the process of ferroptosis. In recent years, researchers have shown that ferroptosis plays an important role in the genesis, development, and metastasis of malignancies, including ovarian cancer. Several studies have revealed that ferroptosis has synergistic effects with chemotherapy, radiotherapy, and immunotherapy in inhibiting the growth of ovarian cancer cells. This suggests that ferroptosis is important in ovarian cancer treatment and may be a new target. In this review, we summarize the features of ferroptosis, including its underlying basis and function in ovarian cancer, as well as its potential applications in the treatment of ovarian cancer.
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Affiliation(s)
- Hongjiang Zhao
- The Fourth School of Clinical Medicine, Zhejiang Chinese Medical University, Hangzhou, China.,Department of Gynecology, Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Yuan Xu
- The Fourth School of Clinical Medicine, Zhejiang Chinese Medical University, Hangzhou, China.,Department of Gynecology, Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Hongkai Shang
- The Fourth School of Clinical Medicine, Zhejiang Chinese Medical University, Hangzhou, China.,Department of Gynecology, Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine, Hangzhou, China
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32
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Sun S, Meng Q, Bai Y, Cao C, Li J, Cheng B, Shi B, Shan A. Lycopene improves maternal reproductive performance by modulating milk composition and placental antioxidative and immune status. Food Funct 2021; 12:12448-12467. [PMID: 34792070 DOI: 10.1039/d1fo01595h] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Placental health and milk quality are important for maternal reproductive performance during pregnancy and lactation. Lycopene plays an important role in antioxidation, anti-inflammation and regulating lipid metabolism. The goal of the present study was to investigate the effects of dietary lycopene supplementation in the pig model on reproductive performance, placental health and milk composition during maternal gestation and lactation. In the present study, the litter size of live piglets was increased and the litter size of dead piglets was decreased by lycopene supplementation of the diet of sows. The litter weight at birth and weaning were increased in the lycopene group. Through placental proteomics, we enriched differentially expressed proteins (DEPs), gene ontology (GO) terms, and Kyoto encyclopedia of proteins and genomes (KEGG) pathways involved in immunity, anti-inflammation, antioxidants, and lipid metabolism and transport. Furthermore, in terms of placental health, we analyzed the levels of related enzymes, metabolites and mRNA expression in the placenta. Lycopene was shown to reduce mRNA expression and the levels of placental inflammatory factors, increase the content of immunoglobulin, improve the antioxidant capacity, and improve lipid metabolism and lipid transport in the placenta. In terms of sow milk composition, lycopene increased the levels of immunoglobulins in colostrum and lactose in colostrum and milk. Overall, the results of the present study demonstrate that dietary lycopene supplementation of sows during gestation and lactation improves the reproductive performance to a certain extent; this may be due to lycopene improving the placental health and milk composition of sows.
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Affiliation(s)
- Shishuai Sun
- Institute of Animal Nutrition, Northeast Agricultural University, Harbin, 150030, P. R. China.
| | - Qingwei Meng
- Institute of Animal Nutrition, Northeast Agricultural University, Harbin, 150030, P. R. China.
| | - Yongsong Bai
- Institute of Animal Nutrition, Northeast Agricultural University, Harbin, 150030, P. R. China.
| | - Chunyu Cao
- Institute of Animal Nutrition, Northeast Agricultural University, Harbin, 150030, P. R. China.
| | - Jibo Li
- Institute of Animal Nutrition, Northeast Agricultural University, Harbin, 150030, P. R. China.
| | - Baojing Cheng
- Institute of Animal Nutrition, Northeast Agricultural University, Harbin, 150030, P. R. China.
| | - Baoming Shi
- Institute of Animal Nutrition, Northeast Agricultural University, Harbin, 150030, P. R. China.
| | - Anshan Shan
- Institute of Animal Nutrition, Northeast Agricultural University, Harbin, 150030, P. R. China.
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33
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Kokoszynska M, Ubags ND, Bivona JJ, Ventrone S, Reed LF, Dixon AE, Wargo MJ, Poynter ME, Suratt BT. Storage conditions of high-fat diets affect pulmonary inflammation. Physiol Rep 2021; 9:e15116. [PMID: 34822216 PMCID: PMC8614184 DOI: 10.14814/phy2.15116] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Revised: 06/03/2021] [Accepted: 06/12/2021] [Indexed: 12/15/2022] Open
Abstract
Obesity alters the risks and outcomes of inflammatory lung diseases. It is important to accurately recapitulate the obese state in animal models to understand these effects on the pathogenesis of disease. Diet-induced obesity is a commonly used model of obesity, but when applied to other disease models like acute respiratory distress syndrome, pneumonia, and asthma, it yields widely divergent. We hypothesized high-fat chow storage conditions would affect lipid oxidation and inflammatory response in the lungs of lipopolysaccharide (LPS)-challenged mice. For 6 weeks, C57BL/6crl mice were fed either a 10% (low-fat diet, LFD) or 60% (high-fat diet, HFD) stored at room temperature (RT, 23°C) for up to 7, 14, 21, or 42 days. Mice were treated with nebulized LPS to induce lung inflammation, and neutrophil levels in bronchoalveolar lavage were determined 24 h later. Lipid oxidation (malondialdehyde, MDA) was assayed by thiobarbituric acid reactive substances in chow and mouse plasma. Concentrations of MDA in chow and plasma rose in proportion to the duration of RT chow storage. Mice fed a HFD stored <2 weeks at RT had an attenuated response 24 h after LPS compared with mice fed an LFD. This effect was reversed after 2 weeks of chow storage at RT. Chow stored above freezing underwent lipid oxidation associated with significant alterations in the LPS-induced pulmonary inflammatory response. Our data show that storage conditions affect lipid peroxidation, which in turn affects pulmonary inflammatory responses in a mouse model of disease. It also suggests changes in the microbiome, although not significantly different suggests decreased variety and richness of bacteria in the gut, a large aspect of the immune system. Dietary composition and storage of chow may also affect pulmonary inflammation and the gut microbiome in humans.
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Affiliation(s)
- Marta Kokoszynska
- Department of MedicinePulmonary Disease and Critical Care MedicineUniversity of Vermont Larner College of MedicineBurlingtonVermontUSA
- Vermont Lung CenterBurlingtonVermontUSA
| | - Niki D. Ubags
- Faculty of Biology and MedicineUniversity of LausanneService de PneumologieCHUVLausanneSwitzerland
| | - Joseph J. Bivona
- Department of MedicinePulmonary Disease and Critical Care MedicineUniversity of Vermont Larner College of MedicineBurlingtonVermontUSA
- Vermont Lung CenterBurlingtonVermontUSA
- Cellular, Molecular, and Biomedical Sciences Doctoral ProgramUniversity of VermontBurlingtonVermontUSA
| | - Sebastian Ventrone
- Department of MedicinePulmonary Disease and Critical Care MedicineUniversity of Vermont Larner College of MedicineBurlingtonVermontUSA
- Vermont Lung CenterBurlingtonVermontUSA
| | - Leah F. Reed
- Department of MedicinePulmonary Disease and Critical Care MedicineUniversity of Vermont Larner College of MedicineBurlingtonVermontUSA
- Vermont Lung CenterBurlingtonVermontUSA
| | - Anne E. Dixon
- Department of MedicinePulmonary Disease and Critical Care MedicineUniversity of Vermont Larner College of MedicineBurlingtonVermontUSA
- Vermont Lung CenterBurlingtonVermontUSA
| | - Matthew J. Wargo
- Department of MedicinePulmonary Disease and Critical Care MedicineUniversity of Vermont Larner College of MedicineBurlingtonVermontUSA
- Vermont Lung CenterBurlingtonVermontUSA
| | - Matthew E. Poynter
- Department of MedicinePulmonary Disease and Critical Care MedicineUniversity of Vermont Larner College of MedicineBurlingtonVermontUSA
- Vermont Lung CenterBurlingtonVermontUSA
| | - Benjamin T. Suratt
- Department of MedicinePulmonary Disease and Critical Care MedicineUniversity of Vermont Larner College of MedicineBurlingtonVermontUSA
- Vermont Lung CenterBurlingtonVermontUSA
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Limbocker R, Errico S, Barbut D, Knowles TPJ, Vendruscolo M, Chiti F, Zasloff M. Squalamine and trodusquemine: two natural products for neurodegenerative diseases, from physical chemistry to the clinic. Nat Prod Rep 2021; 39:742-753. [PMID: 34698757 DOI: 10.1039/d1np00042j] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Covering: 1993 to 2021 (mainly 2017-2021)Alzheimer's and Parkinson's diseases are neurodegenerative conditions affecting over 50 million people worldwide. Since these disorders are still largely intractable pharmacologically, discovering effective treatments is of great urgency and importance. These conditions are characteristically associated with the aberrant deposition of proteinaceous aggregates in the brain, and with the formation of metastable intermediates known as protein misfolded oligomers that play a central role in their aetiology. In this Highlight article, we review the evidence at the physicochemical, cellular, animal model and clinical levels on how the natural products squalamine and trodusquemine offer promising opportunities for chronic treatments for these progressive conditions by preventing both the formation of neurotoxic oligomers and their interaction with cell membranes.
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Affiliation(s)
- Ryan Limbocker
- Department of Chemistry and Life Science, United States Military Academy, West Point, New York 10996, USA
| | - Silvia Errico
- Department of Experimental and Clinical Biomedical Sciences, University of Florence, Florence 50134, Italy. .,Centre for Misfolding Diseases, Yusuf Hamied Department of Chemistry, University of Cambridge, Cambridge CB2 1EW, UK.
| | - Denise Barbut
- Enterin Inc., 3624 Market Street, Philadelphia, Pennsylvania 19104, USA
| | - Tuomas P J Knowles
- Centre for Misfolding Diseases, Yusuf Hamied Department of Chemistry, University of Cambridge, Cambridge CB2 1EW, UK. .,Cavendish Laboratory, Department of Physics, University of Cambridge, Cambridge CB3 0HE, UK
| | - Michele Vendruscolo
- Centre for Misfolding Diseases, Yusuf Hamied Department of Chemistry, University of Cambridge, Cambridge CB2 1EW, UK.
| | - Fabrizio Chiti
- Department of Experimental and Clinical Biomedical Sciences, University of Florence, Florence 50134, Italy.
| | - Michael Zasloff
- Enterin Inc., 3624 Market Street, Philadelphia, Pennsylvania 19104, USA.,MedStar-Georgetown Transplant Institute, Georgetown University School of Medicine, Washington, DC 20010, USA.
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Jin R, Hao J, Yi Y, Yin D, Hua Y, Li X, Bao H, Han X, Egilmez NK, Sauter ER, Li B. Dietary Fats High in Linoleic Acids Impair Antitumor T-cell Responses by Inducing E-FABP-Mediated Mitochondrial Dysfunction. Cancer Res 2021; 81:5296-5310. [PMID: 34400394 PMCID: PMC8530923 DOI: 10.1158/0008-5472.can-21-0757] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Revised: 07/15/2021] [Accepted: 08/13/2021] [Indexed: 12/13/2022]
Abstract
The most recent American Dietary Guidelines (2020-2025) recommend shifting dietary fats from solid saturated fats to unsaturated oils. Dietary oils contain different compositions of unsaturated fatty acids (UFA). Oleic acid (OA) and linoleic acid (LA) are the most common UFA in dietary oils. How individual UFA in oils regulate immune cell function and cancer risk remains unclear. Here we demonstrated that high-fat diets (HFD) rich either in OA or LA induced a similar degree of murine obesity, but the LA-rich HFD specifically promoted mammary tumor growth. LA impaired antitumor T-cell responses by promoting naïve T-cell apoptosis and inhibiting TNFα production. While exogenous OA and LA were taken up by T cells with similar efficacy, only LA induced significant mitochondrial reactive oxygen species production and lipid peroxidation. Importantly, naïve T cells predominantly expressed epidermal fatty acid binding protein (E-FABP), which is central in facilitating LA mitochondrial transport and cardiolipin incorporation. Genetic depletion of E-FABP rescued LA-impaired T-cell responses and suppressed LA-rich HFD-associated mammary tumor growth. Collectively, these data suggest that dietary oils high in LA promote mammary tumors by inducing E-FABP-mediated T-cell dysfunction. SIGNIFICANCE: These findings suggest that modulation of dietary oil composition and inhibition of E-FABP activity may represent novel strategies to enhance T-cell function in the prevention and treatment of obesity-associated cancers.
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Affiliation(s)
- Rong Jin
- Department of Microbiology and Immunology, University of Louisville, Louisville, Kentucky
- Department of Immunology, School of Basic Medical Sciences, Peking University, Beijing, P.R. China
| | - Jiaqing Hao
- Department of Microbiology and Immunology, University of Louisville, Louisville, Kentucky
| | - Yanmei Yi
- Department of Microbiology and Immunology, University of Louisville, Louisville, Kentucky
- Department of Histology and Embryology, Guangdong Medical University, Zhanjiang, P.R. China
| | - Di Yin
- Department of Microbiology and Immunology, University of Louisville, Louisville, Kentucky
- School of Basic Medical Sciences, Guangdong Medical University, Guangzhou, P.R. China
| | - Yuan Hua
- Department of Microbiology and Immunology, University of Louisville, Louisville, Kentucky
| | - Xiaohong Li
- Kentucky Biomedical Research Infrastructure Network Bioinformatics Core, Department of Anatomical Sciences and Neurobiology, University of Louisville, Louisville, Kentucky
| | - Hanmei Bao
- Barshop Institute for Longevity and Aging Studies, University of Texas Health Science Center at San Antonio, San Antonio, Texas
| | - Xianlin Han
- Barshop Institute for Longevity and Aging Studies, University of Texas Health Science Center at San Antonio, San Antonio, Texas
- Department of Medicine, University of Texas Health Science Center at San Antonio, San Antonio, Texas
| | - Nejat K Egilmez
- Department of Microbiology and Immunology, University of Louisville, Louisville, Kentucky
| | | | - Bing Li
- Department of Microbiology and Immunology, University of Louisville, Louisville, Kentucky.
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Ferroptosis: A New Promising Target for Lung Cancer Therapy. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2021; 2021:8457521. [PMID: 34616505 PMCID: PMC8487823 DOI: 10.1155/2021/8457521] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/24/2021] [Revised: 08/16/2021] [Accepted: 09/15/2021] [Indexed: 12/21/2022]
Abstract
Ferroptosis is a new type of regulatory cell death that differs from autophagy, apoptosis, necrosis, and pyroptosis; it is caused primarily by the accumulation of iron and lipid peroxides in the cell. Studies have shown that many classical signaling pathways and biological processes are involved in the process of ferroptosis. In recent years, investigations have revealed that ferroptosis plays a crucial role in the progression of tumors, especially lung cancer. In particular, inducing ferroptosis in cells can inhibit the growth of tumor cells, thereby reversing tumorigenesis. In this review, we summarize the characteristics of ferroptosis from its underlying basis and role in lung cancer and provide possible applications for it in lung cancer therapies.
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Lou X, Zhou X, Li H, Lu X, Bao X, Yang K, Liao X, Chen H, Fang H, Yang Y, Lyu J, Zheng H. Biallelic Mutations in ACACA Cause a Disruption in Lipid Homeostasis That Is Associated With Global Developmental Delay, Microcephaly, and Dysmorphic Facial Features. Front Cell Dev Biol 2021; 9:618492. [PMID: 34552920 PMCID: PMC8450402 DOI: 10.3389/fcell.2021.618492] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2020] [Accepted: 06/29/2021] [Indexed: 11/29/2022] Open
Abstract
Objective We proposed that the deficit of ACC1 is the cause of patient symptoms including global developmental delay, microcephaly, hypotonia, and dysmorphic facial features. We evaluated the possible disease-causing role of the ACACA gene in developmental delay and investigated the pathogenesis of ACC1 deficiency. Methods A patient who presented with global developmental delay with unknown cause was recruited. Detailed medical records were collected and reviewed. Whole exome sequencing found two variants of ACACA with unknown significance. ACC1 mRNA expression level, protein expression level, and enzyme activity level were detected in patient-derived cells. Lipidomic analysis, and in vitro functional studies including cell proliferation, apoptosis, and the migratory ability of patient-derived cells were evaluated to investigate the possible pathogenic mechanism of ACC1 deficiency. RNAi-induced ACC1 deficiency fibroblasts were established to assess the causative role of ACC1 deficit in cell migratory disability in patient-derived cells. Palmitate supplementation assays were performed to assess the effect of palmitic acid on ACC1 deficiency-induced cell motility deficit. Results The patient presented with global developmental delay, microcephaly, hypotonia, and dysmorphic facial features. A decreased level of ACC1 and ACC1 enzyme activity were detected in patient-derived lymphocytes. Lipidomic profiles revealed a disruption in the lipid homeostasis of the patient-derived cell lines. In vitro functional studies revealed a deficit of cell motility in patient-derived cells and the phenotype was further recapitulated in ACC1-knockdown (KD) fibroblasts. The cell motility deficit in both patient-derived cells and ACC1-KD were attenuated by palmitate. Conclusion We report an individual with biallelic mutations in ACACA, presenting global development delay. In vitro studies revealed a disruption of lipid homeostasis in patient-derived lymphocytes, further inducing the deficit of cell motility capacity and that the deficiency could be partly attenuated by palmitate.
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Affiliation(s)
- Xiaoting Lou
- Key Laboratory of Laboratory Medicine, Ministry of Education, Zhejiang Provincial Key Laboratory of Medical Genetics, College of Laboratory Medicine and Life Sciences, Wenzhou Medical University, Wenzhou, China
| | - Xiyue Zhou
- Key Laboratory of Laboratory Medicine, Ministry of Education, Zhejiang Provincial Key Laboratory of Medical Genetics, College of Laboratory Medicine and Life Sciences, Wenzhou Medical University, Wenzhou, China
| | - Haiyan Li
- Key Laboratory of Laboratory Medicine, Ministry of Education, Zhejiang Provincial Key Laboratory of Medical Genetics, College of Laboratory Medicine and Life Sciences, Wenzhou Medical University, Wenzhou, China
| | - Xiangpeng Lu
- The First Affiliated Hospital of Henan University of Traditional Chinese Medicine, Zhengzhou, China
| | - Xinzhu Bao
- Key Laboratory of Laboratory Medicine, Ministry of Education, Zhejiang Provincial Key Laboratory of Medical Genetics, College of Laboratory Medicine and Life Sciences, Wenzhou Medical University, Wenzhou, China
| | - Kaiqiang Yang
- Key Laboratory of Laboratory Medicine, Ministry of Education, Zhejiang Provincial Key Laboratory of Medical Genetics, College of Laboratory Medicine and Life Sciences, Wenzhou Medical University, Wenzhou, China
| | - Xin Liao
- Key Laboratory of Laboratory Medicine, Ministry of Education, Zhejiang Provincial Key Laboratory of Medical Genetics, College of Laboratory Medicine and Life Sciences, Wenzhou Medical University, Wenzhou, China
| | - Hanxiao Chen
- Key Laboratory of Laboratory Medicine, Ministry of Education, Zhejiang Provincial Key Laboratory of Medical Genetics, College of Laboratory Medicine and Life Sciences, Wenzhou Medical University, Wenzhou, China
| | - Hezhi Fang
- Key Laboratory of Laboratory Medicine, Ministry of Education, Zhejiang Provincial Key Laboratory of Medical Genetics, College of Laboratory Medicine and Life Sciences, Wenzhou Medical University, Wenzhou, China
| | - Yanling Yang
- Department of Pediatrics, Peking University First Hospital, Beijing, China
| | - Jianxin Lyu
- Key Laboratory of Laboratory Medicine, Ministry of Education, Zhejiang Provincial Key Laboratory of Medical Genetics, College of Laboratory Medicine and Life Sciences, Wenzhou Medical University, Wenzhou, China.,Zhejiang Provincial People's Hospital, Affiliated People's Hospital of Hangzhou Medical College, Hangzhou, China
| | - Hong Zheng
- The First Affiliated Hospital of Henan University of Traditional Chinese Medicine, Zhengzhou, China
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Zheng PF, Yin RX, Cao XL, Chen WX, Wu JZ, Huang F. Effect of SYTL3- SLC22A3 Variants, Their Haplotypes, and G × E Interactions on Serum Lipid Levels and the Risk of Coronary Artery Disease and Ischaemic Stroke. Front Cardiovasc Med 2021; 8:713068. [PMID: 34458338 PMCID: PMC8387813 DOI: 10.3389/fcvm.2021.713068] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2021] [Accepted: 07/21/2021] [Indexed: 11/18/2022] Open
Abstract
Background: The current study aimed to investigate the effects of synaptotagmin-like 3 (SYTL3) and solute carrier family 22 member 3 (SLC22A3) single nucleotide polymorphisms (SNPs) and gene-environment (G × E) interactions on blood lipid levels as well as the risk of coronary artery disease (CAD) and ischaemic stroke (IS) in the Southern Chinese Han population. Methods: The genetic makeup of 6 SYTL3-SLC22A3 SNPs in 2269 unrelated participants (controls, 755; CAD, 758 and IS, 756) of Chinese Han ethnicity was detected by the next-generation sequencing techniques. Results: The allele and genotype frequencies of the SYTL3 rs2129209 and SLC22A3 rs539298 SNPs were significantly different between the case and control groups. The SLC22A3 rs539298 SNP was correlated with total cholesterol (TC) levels in controls, the rs539298G allele carriers maintained lower TC levels than the rs539298G allele non-carriers. At the same time, the SLC22A3 rs539298 SNP interacted with alcohol consumption reduced the risk of CAD and IS. The SYTL3-SLC22A3 A-C-A-A-A-A, G-T-C-G-C-A and A-T-A-A-C-A haplotypes increased and the A-C-A-A-C-G haplotype reduced the risk of CAD, whereas the SYTL3-SLC22A3 A-C-A-A-A-A, G-T-C-G-A-G and A-T-A-A-C-A haplotypes increased and the A-C-A-A-A-G and A-C-A-A-C-G haplotypes reduced the risk of IS. In addition, several SNPs interacted with alcohol consumption, body mass index ≥ 24 kg/m2 and cigarette smoking to affect serum lipid parameters such as triglyceride, high-density lipoprotein cholesterol, TC, and apolipoprotein A1 levels. Conclusions: Several SYTL3-SLC22A3 variants, especially the rs539298 SNP, several haplotypes, and G × E interactions, were related to blood lipid parameters and the risk of CAD and IS in the Southern Chinese Han population.
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Affiliation(s)
- Peng-Fei Zheng
- Department of Cardiology, Institute of Cardiovascular Diseases, The First Affiliated Hospital, Guangxi Medical University, Nanning, China
| | - Rui-Xing Yin
- Department of Cardiology, Institute of Cardiovascular Diseases, The First Affiliated Hospital, Guangxi Medical University, Nanning, China
| | - Xiao-Li Cao
- Department of Neurology, The First Affiliated Hospital, Guangxi Medical University, Nanning, China
| | - Wu-Xian Chen
- Department of Cardiology, Institute of Cardiovascular Diseases, The First Affiliated Hospital, Guangxi Medical University, Nanning, China
| | - Jin-Zhen Wu
- Department of Cardiology, Institute of Cardiovascular Diseases, The First Affiliated Hospital, Guangxi Medical University, Nanning, China
| | - Feng Huang
- Department of Cardiology, Institute of Cardiovascular Diseases, The First Affiliated Hospital, Guangxi Medical University, Nanning, China
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Bonneau N, Baudouin C, Brignole-Baudouin F. AOP and IATA applied to ocular surface toxicity. Regul Toxicol Pharmacol 2021; 125:105021. [PMID: 34348128 DOI: 10.1016/j.yrtph.2021.105021] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Revised: 07/21/2021] [Accepted: 07/26/2021] [Indexed: 01/24/2023]
Abstract
Until now, the Draize test on rabbits has been the only test performed to anticipate ocular toxicity of pharmaceutical compounds, mainly irritation. The OECD is urging the scientific community to develop and validate alternative methods to reduce the need for animal testing. Since the models and tests used cannot reflect the entire biologic response, it is necessary to combine them into integrated approaches to testing and assessment (IATA) to obtain robust data. IATAs, along with adverse outcome pathways (AOP) that encompass molecular cascades and key events, require the best combinations of tests. This commentary manuscript describes these OECD tools and proposes original approaches for ocular surface AOP and an IATA for toxicity-induced dry eye (TIDE).
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Affiliation(s)
- Noémie Bonneau
- Sorbonne Université, INSERM, CNRS, IHU FOReSight, Institut de La Vision, 75012, Paris, France; HORUS PHARMA, 06700, Saint-Laurent-du-Var, France
| | - Christophe Baudouin
- Sorbonne Université, INSERM, CNRS, IHU FOReSight, Institut de La Vision, 75012, Paris, France; Centre Hospitalier National D'Ophtalmologie des Quinze-Vingts, INSERM-DGOS CIC 1423, IHU FOReSight, 75012, France; Université Versailles-Saint-Quentin-en-Yvelines, Hôpital Ambroise Paré, APHP, F-92100, Boulogne-Billancourt, France
| | - Françoise Brignole-Baudouin
- Sorbonne Université, INSERM, CNRS, IHU FOReSight, Institut de La Vision, 75012, Paris, France; Centre Hospitalier National D'Ophtalmologie des Quinze-Vingts, INSERM-DGOS CIC 1423, IHU FOReSight, 75012, France; Laboratoire d'ophtalmobiologie, Centre Hospitalier National d'Ophtalmologie des Quinze-Vingts, 75012, Paris, France; Université de Paris, Faculté de Pharmacie de Paris, 75006, Paris, France.
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Bahja J, Dymond MK. Does membrane curvature elastic energy play a role in mediating oxidative stress in lipid membranes? Free Radic Biol Med 2021; 171:191-202. [PMID: 34000382 DOI: 10.1016/j.freeradbiomed.2021.05.021] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/02/2021] [Revised: 05/10/2021] [Accepted: 05/11/2021] [Indexed: 02/06/2023]
Abstract
The effects of oxidative stress on cells are associated with a wide range of pathologies. Oxidative stress is predominantly initiated by the action of reactive oxygen species and/or lipoxygenases on polyunsaturated fatty acid containing lipids. The downstream products are oxidised phospholipids, bioactive aldehydes and a range of Schiff base by-products between aldehydes and lipids, or other biomacromolecules. In this review we assess the impact of oxidative stress on lipid membranes, focusing on the changes that occur to the curvature preference (lipid spontaneous curvature) and elastic properties of membranes, since these biophysical properties modulate phospholipid homeostasis. Studies show that the lipid products of oxidative stress reduce stored curvature elastic energy in membranes. Based upon this observation, we hypothesize that the effects of oxidative stress on lipid membranes will be reduced by compounds that increase stored curvature elastic energy. We find a strong correlation appears across literature studies that we have reviewed, such that many compounds like vitamin E, Curcumin, Coenzyme Q10 and vitamin A show behaviour consistent with this hypothesis. Finally, we consider whether age-related changes in lipid composition represent the homeostatic response of cells to compensate for the accumulation of in vivo lipid oxidation products.
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Affiliation(s)
- Julia Bahja
- Centre for Stress and Age-Related Disease, University of Brighton, Lewes Rd, Brighton, BN2 4GL, UK
| | - Marcus K Dymond
- Centre for Stress and Age-Related Disease, University of Brighton, Lewes Rd, Brighton, BN2 4GL, UK.
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Jian L, Xue Y, Gao Y, Wang B, Qu Y, Li S, Li H, Li Z, Wang B, Luo H. Vitamin E Can Ameliorate Oxidative Damage of Ovine Hepatocytes In Vitro by Regulating Genes Expression Associated with Apoptosis and Pyroptosis, but Not Ferroptosis. Molecules 2021; 26:molecules26154520. [PMID: 34361674 PMCID: PMC8348559 DOI: 10.3390/molecules26154520] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Revised: 07/23/2021] [Accepted: 07/23/2021] [Indexed: 01/31/2023] Open
Abstract
(1) Background: the current research was conducted to investigate the potential non-antioxidant roles of vitamin E in the protection of hepatocysts from oxidative damage. (2) Methods: primary sheep hepatocytes were cultured and exposed to 200, 400, 600, or 800 μmol/L hydrogen peroxide, while their viability was assessed using a CCK-8 kit. Then, cells were treated with 400 μmol/L hydrogen peroxide following a pretreatment with 50, 100, 200, 400, and 800 μmol/L vitamin E and their intracellular ROS levels were determined by means of the DCF-DA assay. RNA-seq, verified by qRT-PCR, was conducted thereafter: non-treated control (C1); cells treated with 400 μmol/L hydrogen peroxide (C2); and C2 plus a pretreatment with 100 μmol/L vitamin E (T1). (3) Results: the 200-800 μmol/L hydrogen peroxide caused significant cell death, while 50, 100, and 200 μmol/L vitamin E pretreatment significantly improved the survival rate of hepatocytes. ROS content in the cells pretreated with vitamin E was significantly lower than that in the control group and hydrogen-peroxide-treated group, especially in those pretreated with 100 μmol/L vitamin E. The differentially expressed genes (DEGs) concerning cell death involved in apoptosis (RIPK1, TLR7, CASP8, and CASP8AP2), pyroptosis (NLRP3, IL-1β, and IRAK2), and ferroptosis (TFRC and PTGS2). The abundances of IL-1β, IRAK2, NLRP3, CASP8, CASP8AP2, RIPK1, and TLR7 were significantly increased in the C1 group and decreased in T1 group, while TFRC and PTGS2 were increased in T1 group. (4) Conclusions: oxidative stress induced by hydrogen peroxide caused cellular damage and death in sheep hepatocytes. Pretreatment with vitamin E effectively reduced intracellular ROS levels and protected the hepatocytes from cell death by regulating gene expression associated with apoptosis (RIPK1, TLR7, CASP8, and CASP8AP2) and pyroptosis (NLRP3, IL-1β, and IRAK2), but not ferroptosis (TFRC and PTGS2).
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Zheng PF, Yin RX, Cao XL, Guan YZ, Deng GX, Wei BL, Liu CX. SYTL3- SLC22A3 Single-Nucleotide Polymorphisms and Gene-Gene/Environment Interactions on the Risk of Hyperlipidemia. Front Genet 2021; 12:679027. [PMID: 34367243 PMCID: PMC8334725 DOI: 10.3389/fgene.2021.679027] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Accepted: 06/17/2021] [Indexed: 12/15/2022] Open
Abstract
The current study aims to further delineate the associations between the synaptotagmin-like 3 (SYTL3) and solute carrier family 22 member 3 (SLC22A3) single-nucleotide polymorphisms (SNPs) and their haplotypes and gene–gene (G × G)/environment (G × E) interactions on the risk of hyperlipidemia (HLP) in the Maonan and Han ethnic groups. Genotype distribution among the SYTL3–SLC22A3 SNPs in 2,829 individual patients bearing no relationship to each other (Han, 1,436; Maonan, 1,393) was analyzed utilizing next-generation sequencing techniques. The genotype frequencies of the rs6455600, rs2129209, and rs446809 SNPs were varied between the two ethnic groups (P < 0.05–0.001). Various SNPs were correlated with serum levels of triglyceride (TG; rs446809), total cholesterol (TC; rs6455600, rs2129209, and rs539298), and low-density lipoprotein cholesterol (LDL-C; rs446809) among the Han population, whereas various SNPs were also correlated with TC (rs6455600 and rs539298), TG (rs446809), and LDL-C (rs446809) levels in the Maonan ethnic group (P < 0.008–0.001). One part of haplotypes resulted in worsened HLP-related morbidity in the Han (SYTL3 A-C-A-A; SLC22A3 A-A and A-G; and SYTL3–SLC22A3 A-C-A-A-A-A and A-C-A-A-A-G) and Maonan (SYTL3 A-C-A-A; SLC22A3 A-A and A-G; and SYTL3–SLC22A3 A-C-A-A-A-A, G-T-C-A-A-A, and G-T-C-A-C-A) ethnic groups, whereas another part of haplotypes lowered HLP-related health risks in the Han (SLC22A3 C-A and C-G and SYTL3–SLC22A3 A-C-A-A-C-A, A-C-A-A-C-G, and G-T-C-A-C-A) and Maonan (SLC22A3 C-G and SYTL3–SLC22A3 A-C-A-A-C-G) ethnic groups. We discovered that the SYTL3–SLC22A3 SNPs and their haplotypes were associated with serum lipid levels and the risk of HLP in our studied populations.
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Affiliation(s)
- Peng-Fei Zheng
- Department of Cardiology, Institute of Cardiovascular Diseases, The First Affiliated Hospital, Guangxi Medical University, Nanning, China
| | - Rui-Xing Yin
- Department of Cardiology, Institute of Cardiovascular Diseases, The First Affiliated Hospital, Guangxi Medical University, Nanning, China.,Guangxi Key Laboratory Base of Precision Medicine in Cardio-Cerebrovascular Disease Control and Prevention, Nanning, China.,Guangxi Clinical Research Center for Cardio-Cerebrovascular Diseases, Nanning, China
| | - Xiao-Li Cao
- Department of Neurology, The First Affiliated Hospital, Guangxi Medical University, Nanning, China
| | - Yao-Zong Guan
- Department of Cardiology, Institute of Cardiovascular Diseases, The First Affiliated Hospital, Guangxi Medical University, Nanning, China
| | - Guo-Xiong Deng
- Department of Cardiology, Institute of Cardiovascular Diseases, The First Affiliated Hospital, Guangxi Medical University, Nanning, China
| | - Bi-Liu Wei
- Department of Cardiology, Institute of Cardiovascular Diseases, The First Affiliated Hospital, Guangxi Medical University, Nanning, China
| | - Chun-Xiao Liu
- Department of Cardiology, Institute of Cardiovascular Diseases, The First Affiliated Hospital, Guangxi Medical University, Nanning, China
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Ying H, Shen Z, Wang J, Zhou B. Role of iron homeostasis in the heart : Heart failure, cardiomyopathy, and ischemia-reperfusion injury. Herz 2021; 47:141-149. [PMID: 33978777 DOI: 10.1007/s00059-021-05039-w] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Revised: 07/15/2020] [Accepted: 04/09/2021] [Indexed: 02/07/2023]
Abstract
As an essential trace mineral in mammals and the second most abundant metal in the Earth's crust, iron acts as a double-edged sword in humans. Iron plays important beneficial roles in numerous biological processes ranging from deoxyribonucleic acid biosynthesis and protein function to cell cycle progression. However, iron metabolism disruption leads to widespread tissue degeneration and organ dysfunction. An increasing number of studies have focused on iron regulation pathways and have explored the relationship between iron and cardiovascular diseases. Ferroptosis, an iron-dependent form of programmed cell death, was first described in cancer cells and has recently been linked to heart diseases, including cardiac ischemia-reperfusion injury and doxorubicin-induced myocardiopathy. Here, we summarize recent advances in our understanding of iron homeostasis and heart diseases and discuss potential relationships between ferroptosis and cardiac ischemia-reperfusion injury and cardiomyopathy.
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Affiliation(s)
- Hangying Ying
- Department of Cardiology, Key Laboratory of Cardiovascular Intervention and Regenerative Medicine of Zhejiang Province, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, 310016, Zhejiang, Hangzhou, China
| | - Zhida Shen
- Department of Cardiology, Key Laboratory of Cardiovascular Intervention and Regenerative Medicine of Zhejiang Province, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, 310016, Zhejiang, Hangzhou, China
| | - Jiacheng Wang
- Department of Cardiology, Key Laboratory of Cardiovascular Intervention and Regenerative Medicine of Zhejiang Province, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, 310016, Zhejiang, Hangzhou, China
| | - Binquan Zhou
- Department of Cardiology, Key Laboratory of Cardiovascular Intervention and Regenerative Medicine of Zhejiang Province, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, 310016, Zhejiang, Hangzhou, China.
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Iuchi K, Takai T, Hisatomi H. Cell Death via Lipid Peroxidation and Protein Aggregation Diseases. BIOLOGY 2021; 10:399. [PMID: 34064409 PMCID: PMC8147787 DOI: 10.3390/biology10050399] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/16/2021] [Revised: 04/13/2021] [Accepted: 04/29/2021] [Indexed: 12/16/2022]
Abstract
Lipid peroxidation of cellular membranes is a complicated cellular event, and it is both the cause and result of various diseases, such as ischemia-reperfusion injury, neurodegenerative diseases, and atherosclerosis. Lipid peroxidation causes non-apoptotic cell death, which is associated with cell fate determination: survival or cell death. During the radical chain reaction of lipid peroxidation, various oxidized lipid products accumulate in cells, followed by organelle dysfunction and the induction of non-apoptotic cell death. Highly reactive oxidized products from unsaturated fatty acids are detected under pathological conditions. Pathological protein aggregation is the general cause of these diseases. The cellular response to misfolded proteins is well-known as the unfolded protein response (UPR) and it is partially concomitant with the response to lipid peroxidation. Moreover, the association between protein aggregation and non-apoptotic cell death by lipid peroxidation is attracting attention. The link between lipid peroxidation and protein aggregation is a matter of concern in biomedical fields. Here, we focus on lethal protein aggregation in non-apoptotic cell death via lipid peroxidation. We reviewed the roles of protein aggregation in the initiation and execution of non-apoptotic cell death. We also considered the relationship between protein aggregation and oxidized lipid production. We provide an overview of non-apoptotic cell death with a focus on lipid peroxidation for therapeutic targeting during protein aggregation diseases.
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Affiliation(s)
- Katsuya Iuchi
- Department of Materials and Life Science, Faculty of Science and Technology, Seikei University, 3-3-1 Kichijojikitamachi, Musashino-shi, Tokyo 180-8633, Japan; (T.T.); (H.H.)
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Wang H, Cheng Y, Mao C, Liu S, Xiao D, Huang J, Tao Y. Emerging mechanisms and targeted therapy of ferroptosis in cancer. Mol Ther 2021; 29:2185-2208. [PMID: 33794363 DOI: 10.1016/j.ymthe.2021.03.022] [Citation(s) in RCA: 154] [Impact Index Per Article: 51.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2020] [Revised: 01/21/2021] [Accepted: 03/25/2021] [Indexed: 12/13/2022] Open
Abstract
Ferroptosis is an iron- and lipid reactive oxygen species (ROS)-dependent form of programmed cell death that is distinct from other forms of regulatory cell death at the morphological, biological, and genetic levels. Emerging evidence suggests critical roles for ferroptosis in cell metabolism, the redox status, and various diseases, such as cancers, nervous system diseases, and ischemia-reperfusion injury, with ferroptosis-related proteins. Ferroptosis is inhibited in diverse cancer types and functions as a dynamic tumor suppressor in cancer development, indicating that the regulation of ferroptosis can be utilized as an interventional target for tumor treatment. Small molecules and nanomaterials that reprogram cancer cells to undergo ferroptosis are considered effective drugs for cancer therapy. Here, we systematically summarize the molecular basis of ferroptosis, the suppressive effect of ferroptosis on tumors, the effect of ferroptosis on cellular metabolism and the tumor microenvironment (TME), and ferroptosis-inducing agents for tumor therapeutics. An understanding of the latest progress in ferroptosis could provide references for proposing new potential targets for the treatment of cancers.
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Affiliation(s)
- Haiyan Wang
- Key Laboratory of Carcinogenesis and Cancer Invasion (Central South University, Ministry of Education), Department of Pathology, Xiangya Hospital, Central South University, Hunan 410078, China; NHC Key Laboratory of Carcinogenesis, Cancer Research Institute and School of Basic Medicine, Central South University, Changsha, Hunan 410078, China
| | - Yan Cheng
- Department of Pharmacy, The Second Xiangya Hospital, Central South University, Changsha 410011, China
| | - Chao Mao
- Key Laboratory of Carcinogenesis and Cancer Invasion (Central South University, Ministry of Education), Department of Pathology, Xiangya Hospital, Central South University, Hunan 410078, China; NHC Key Laboratory of Carcinogenesis, Cancer Research Institute and School of Basic Medicine, Central South University, Changsha, Hunan 410078, China
| | - Shuang Liu
- Department of Oncology, Institute of Medical Sciences, National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China.
| | - Desheng Xiao
- Department of Pathology, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China.
| | - Jun Huang
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China.
| | - Yongguang Tao
- Key Laboratory of Carcinogenesis and Cancer Invasion (Central South University, Ministry of Education), Department of Pathology, Xiangya Hospital, Central South University, Hunan 410078, China; NHC Key Laboratory of Carcinogenesis, Cancer Research Institute and School of Basic Medicine, Central South University, Changsha, Hunan 410078, China; Hunan Key Laboratory of Early Diagnosis and Precision Therapy, Department of Thoracic Surgery, Second Xiangya Hospital, Central South University, Changsha 410011, China.
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Ferroptosis, trophoblast lipotoxic damage, and adverse pregnancy outcome. Placenta 2021; 108:32-38. [PMID: 33812183 DOI: 10.1016/j.placenta.2021.03.007] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Accepted: 03/10/2021] [Indexed: 01/18/2023]
Abstract
Programmed cell death is a central process in the control of tissue development, organismal physiology, and disease. Ferroptosis is a recently identified form of programmed cell death that is uniquely defined by redox-active iron-dependent hydroxy-peroxidation of polyunsaturated fatty acid (PUFA)-containing phospholipids and a loss of lipid peroxidation repair capacity. This distinctive form of lipotoxic cell death has been recently implicated in multiple human diseases, spanning ischemia-reperfusion heart injury, brain damage, acute kidney injury, cancer, and asthma. Intriguingly, settings that have been associated with ferroptosis are linked to placental physiology and trophoblast injury. Such circumstances include hypoxia-reperfusion during placental development, physiological uterine contractions or pathological changes in placental bed perfusion, the abundance of trophoblastic iron, evidence for lipotoxicity during the pathophysiology of major placental disorders such as preeclampsia, fetal growth restriction, and preterm birth, and reduced glutathione peroxidation capacity and lipid peroxidation repair during placental injury. We recently interrogated placental ferroptosis in placental dysfunction in human and mouse pregnancy, dissected its relevance to placental injury, and validated the role of glutathione peroxidase-4 in guarding placental trophoblasts against ferroptotic injury. We also uncovered a role for the phospholipase PLA2G6 (PNPLA9) in attenuating trophoblast ferroptosis. Here, we summarize current data on trophoblast ferroptosis, and the role of several proteins and microRNAs as regulators of this process. Our text offers insights into new opportunities for regulating ferroptosis as a means for protecting placental trophoblasts against lipotoxic injury.
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Stamenkovic A, O'Hara KA, Nelson DC, Maddaford TG, Edel AL, Maddaford G, Dibrov E, Aghanoori M, Kirshenbaum LA, Fernyhough P, Aliani M, Pierce GN, Ravandi A. Oxidized phosphatidylcholines trigger ferroptosis in cardiomyocytes during ischemia-reperfusion injury. Am J Physiol Heart Circ Physiol 2021; 320:H1170-H1184. [PMID: 33513080 DOI: 10.1152/ajpheart.00237.2020] [Citation(s) in RCA: 59] [Impact Index Per Article: 19.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Accepted: 01/22/2021] [Indexed: 12/22/2022]
Abstract
Myocardial ischemia-reperfusion (I/R) injury increases the generation of oxidized phosphatidylcholines (OxPCs), which results in cell death. However, the mechanism by which OxPCs mediate cell death and cardiac dysfunction is largely unknown. The aim of this study was to determine the mechanisms by which OxPC triggers cardiomyocyte cell death during reperfusion injury. Adult rat ventricular cardiomyocytes were treated with increasing concentrations of various purified fragmented OxPCs. Cardiomyocyte viability, bioenergetic response, and calcium transients were determined in the presence of OxPCs. Five different fragmented OxPCs resulted in a decrease in cell viability, with 1-palmitoyl-2-(5'-oxo-valeroyl)-sn-glycero-3-phosphocholine (POVPC) and 1-palmitoyl-2-(9'-oxo-nonanoyl)-sn-glycero-3-phosphocholine (PONPC) having the most potent cardiotoxic effect in both a concentration and time dependent manner (P < 0.05). POVPC and PONPC also caused a significant decrease in Ca2+ transients and net contraction in isolated cardiomyocytes compared to vehicle treated control cells (P < 0.05). PONPC depressed maximal respiration rate (P < 0.01; 54%) and spare respiratory capacity (P < 0.01; 54.5%). Notably, neither caspase 3 activation or TUNEL staining was observed in cells treated with either POVPC or PONPC. Further, cardiac myocytes treated with OxPCs were indistinguishable from vehicle-treated control cells with respect to nuclear high-mobility group box protein 1 (HMGBP1) activity. However, glutathione peroxidase 4 activity was markedly suppressed in cardiomyocytes treated with POVPC and PONPC coincident with increased ferroptosis. Importantly, cell death induced by OxPCs could be suppressed by E06 Ab, directed against OxPCs or by ferrostatin-1, which bound the sn-2 aldehyde of POVPC during I/R. The findings of the present study demonstrate that oxidation of phosphatidylcholines during I/R generate bioactive phospholipid intermediates that disrupt mitochondrial bioenergetics and calcium transients and provoke wide spread cell death through ferroptosis. Neutralization of OxPC with E06 or with ferrostatin-1 prevents cell death during reperfusion. Our study demonstrates a novel signaling pathway that operationally links generation of OxPC during cardiac I/R to ferroptosis. Interventions designed to target OxPCs may prove beneficial in mitigating ferroptosis during I/R injury in individuals with ischemic heart disease.NEW & NOTEWORTHY Oxidized phosphatidylcholines (OxPC) generated during reperfusion injury are potent inducers of cardiomyocyte death. Our studies have shown that OxPCs exert this effect through a ferroptotic process that can be attenuated. A better understanding of the OxPC cell death pathway can prove a novel strategy for prevention of cell death during myocardial reperfusion injury.
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Affiliation(s)
- Aleksandra Stamenkovic
- Institute of Cardiovascular Sciences, Department of Physiology and Pathophysiology, St. Boniface Hospital, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Canada
| | - Kimberley A O'Hara
- Institute of Cardiovascular Sciences, Department of Physiology and Pathophysiology, St. Boniface Hospital, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Canada
| | - David C Nelson
- Institute of Cardiovascular Sciences, Department of Physiology and Pathophysiology, St. Boniface Hospital, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Canada
| | - Thane G Maddaford
- Institute of Cardiovascular Sciences, Department of Physiology and Pathophysiology, St. Boniface Hospital, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Canada
| | - Andrea L Edel
- Institute of Cardiovascular Sciences, Department of Physiology and Pathophysiology, St. Boniface Hospital, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Canada
| | - Graham Maddaford
- Institute of Cardiovascular Sciences, Department of Physiology and Pathophysiology, St. Boniface Hospital, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Canada
| | - Elena Dibrov
- Institute of Cardiovascular Sciences, Department of Physiology and Pathophysiology, St. Boniface Hospital, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Canada
| | - MohamadReza Aghanoori
- Department of Pharmacology and Therapeutics, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Canada
- Division of Neurodegenerative Disorders, St. Boniface Hospital Albrechtsen Research Centre, Winnipeg, Canada
| | - Lorrie A Kirshenbaum
- Institute of Cardiovascular Sciences, Department of Physiology and Pathophysiology, St. Boniface Hospital, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Canada
| | - Paul Fernyhough
- Department of Pharmacology and Therapeutics, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Canada
- Division of Neurodegenerative Disorders, St. Boniface Hospital Albrechtsen Research Centre, Winnipeg, Canada
| | - Michel Aliani
- Department of Food and Human Nutritional Sciences, University of Manitoba, Winnipeg, Canada
- The Canadian Centre for Agri-Food Research in Health and Medicine, St. Boniface Hospital Albrechtsen Research Centre, Winnipeg, Canada
| | - Grant N Pierce
- Institute of Cardiovascular Sciences, Department of Physiology and Pathophysiology, St. Boniface Hospital, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Canada
- The Canadian Centre for Agri-Food Research in Health and Medicine, St. Boniface Hospital Albrechtsen Research Centre, Winnipeg, Canada
| | - Amir Ravandi
- Institute of Cardiovascular Sciences, Department of Physiology and Pathophysiology, St. Boniface Hospital, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Canada
- Department of Internal Medicine, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Canada
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Ingram LM, Finnerty MC, Mansoura M, Chou CW, Cummings BS. Identification of lipidomic profiles associated with drug-resistant prostate cancer cells. Lipids Health Dis 2021; 20:15. [PMID: 33596934 PMCID: PMC7890620 DOI: 10.1186/s12944-021-01437-5] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2020] [Accepted: 01/26/2021] [Indexed: 12/25/2022] Open
Abstract
BACKGROUND The association of circulating lipids with clinical outcomes of drug-resistant castration-resistant prostate cancer (DR-CRPC) is not fully understood. While it is known that increases in select lipids correlate to decreased survival, neither the mechanisms mediating these alterations nor the correlation of resistance to drug treatments is well characterized. METHODS This gap-in-knowledge was addressed using in vitro models of non-cancerous, hormone-sensitive, CRPC and drug-resistant cell lines combined with quantitative LC-ESI-Orbitrap-MS (LC-ESI-MS/MS) lipidomic analysis and subsequent analysis such as Metaboanalyst and Lipid Pathway Enrichment Analysis (LIPEA). RESULTS Several lipid regulatory pathways were identified that are associated with Docetaxel resistance in prostate cancer (PCa). These included those controlling glycerophospholipid metabolism, sphingolipid signaling and ferroptosis. In total, 7460 features were identified as being dysregulated between the cell lines studied, and 21 lipid species were significantly altered in drug-resistant cell lines as compared to nonresistant cell lines. Docetaxel resistance cells (PC3-Rx and DU145-DR) had higher levels of phosphatidylcholine (PC), oxidized lipid species, phosphatidylethanolamine (PE), and sphingomyelin (SM) as compared to parent control cells (PC-3 and DU-145). Alterations were also identified in the levels of phosphatidic acid (PA) and diacylglyceride (DAG), whose levels are regulated by Lipin (LPIN), a phosphatidic acid phosphatase that converts PA to DAG. Data derived from cBioPortal demonstrated a population of PCa patients expressing mutations aligning with amplification of LPIN1, LPIN2 and LPIN3 genes. Lipin amplification in these genes correlated to decreased survival in these patients. Lipin-1 mRNA expression also showed a similar trend in PCa patient data. Lipin-1, but not Lipin-2 or - 3, was detected in several prostate cancer cells, and was increased in 22RV1 and PC-3 cell lines. The increased expression of Lipin-1 in these cells correlated with the level of PA. CONCLUSION These data identify lipids whose levels may correlate to Docetaxel sensitivity and progression of PCa. The data also suggest a correlation between the expression of Lipin-1 in cells and patients with regards to prostate cancer cell aggressiveness and patient survivability. Ultimately, these data may be useful for identifying markers of lethal and/or metastatic prostate cancer.
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Affiliation(s)
- Lishann M Ingram
- Pharmaceutical and Biomedical Sciences, 450 College of Pharmacy South, University of Georgia, Athens, GA, 30602, USA
| | - Morgan C Finnerty
- Pharmaceutical and Biomedical Sciences, 450 College of Pharmacy South, University of Georgia, Athens, GA, 30602, USA
| | - Maryam Mansoura
- Pharmaceutical and Biomedical Sciences, 450 College of Pharmacy South, University of Georgia, Athens, GA, 30602, USA
| | - Chau-Wen Chou
- Proteomics and Mass Spectrometry Facility (PAMS), Department of Chemistry, University of Georgia, Athens, GA, USA
| | - Brian S Cummings
- Pharmaceutical and Biomedical Sciences, 450 College of Pharmacy South, University of Georgia, Athens, GA, 30602, USA.
- Interdisciplinary Toxicology Program, University of Georgia, Athens, GA, USA.
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Zhu H, Klement JD, Lu C, Redd PS, Yang D, Smith AD, Poschel DB, Zou J, Liu D, Wang PG, Ostrov D, Coant N, Hannun YA, Colby AH, Grinstaff MW, Liu K. Asah2 Represses the p53-Hmox1 Axis to Protect Myeloid-Derived Suppressor Cells from Ferroptosis. THE JOURNAL OF IMMUNOLOGY 2021; 206:1395-1404. [PMID: 33547170 DOI: 10.4049/jimmunol.2000500] [Citation(s) in RCA: 63] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/05/2020] [Accepted: 01/12/2021] [Indexed: 02/07/2023]
Abstract
Myeloid-derived suppressor cells (MDSCs) are immune suppressive cells that massively accumulate under pathological conditions to suppress T cell immune response. Dysregulated cell death contributes to MDSC accumulation, but the molecular mechanism underlying this cell death dysregulation is not fully understood. In this study, we report that neutral ceramidase (N-acylsphingosine amidohydrolase [ASAH2]) is highly expressed in tumor-infiltrating MDSCs in colon carcinoma and acts as an MDSC survival factor. To target ASAH2, we performed molecular docking based on human ASAH2 protein structure. Enzymatic inhibition analysis of identified hits determined NC06 as an ASAH2 inhibitor. Chemical and nuclear magnetic resonance analysis determined NC06 as 7-chloro-2-(3-chloroanilino)pyrano[3,4-e][1,3]oxazine-4,5-dione. NC06 inhibits ceramidase activity with an IC50 of 10.16-25.91 μM for human ASAH2 and 18.6-30.2 μM for mouse Asah2 proteins. NC06 induces MDSC death in a dose-dependent manner, and inhibition of ferroptosis decreased NC06-induced MDSC death. NC06 increases glutathione synthesis and decreases lipid reactive oxygen species to suppress ferroptosis in MDSCs. Gene expression profiling identified the p53 pathway as the Asah2 target in MDSCs. Inhibition of Asah2 increased p53 protein stability to upregulate Hmox1 expression to suppress lipid reactive oxygen species production to suppress ferroptosis in MDSCs. NC06 therapy increases MDSC death and reduces MDSC accumulation in tumor-bearing mice, resulting in increased activation of tumor-infiltrating CTLs and suppression of tumor growth in vivo. Our data indicate that ASAH2 protects MDSCs from ferroptosis through destabilizing p53 protein to suppress the p53 pathway in MDSCs in the tumor microenvironment. Targeting ASAH2 with NC06 to induce MDSC ferroptosis is potentially an effective therapy to suppress MDSC accumulation in cancer immunotherapy.
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Affiliation(s)
- Huabin Zhu
- Department of Biochemistry and Molecular Biology, Medical College of Georgia, Augusta, GA 30912.,Georgia Cancer Center, Medical College of Georgia, Augusta, GA 30912.,Charlie Norwood VA Medical Center, Augusta, GA 30904
| | - John D Klement
- Department of Biochemistry and Molecular Biology, Medical College of Georgia, Augusta, GA 30912.,Georgia Cancer Center, Medical College of Georgia, Augusta, GA 30912.,Charlie Norwood VA Medical Center, Augusta, GA 30904
| | - Chunwan Lu
- Department of Biochemistry and Molecular Biology, Medical College of Georgia, Augusta, GA 30912.,Georgia Cancer Center, Medical College of Georgia, Augusta, GA 30912.,Charlie Norwood VA Medical Center, Augusta, GA 30904
| | - Priscilla S Redd
- Department of Biochemistry and Molecular Biology, Medical College of Georgia, Augusta, GA 30912.,Georgia Cancer Center, Medical College of Georgia, Augusta, GA 30912.,Charlie Norwood VA Medical Center, Augusta, GA 30904
| | - Dafeng Yang
- Department of Biochemistry and Molecular Biology, Medical College of Georgia, Augusta, GA 30912.,Georgia Cancer Center, Medical College of Georgia, Augusta, GA 30912.,Charlie Norwood VA Medical Center, Augusta, GA 30904
| | - Alyssa D Smith
- Department of Biochemistry and Molecular Biology, Medical College of Georgia, Augusta, GA 30912.,Georgia Cancer Center, Medical College of Georgia, Augusta, GA 30912.,Charlie Norwood VA Medical Center, Augusta, GA 30904
| | - Dakota B Poschel
- Department of Biochemistry and Molecular Biology, Medical College of Georgia, Augusta, GA 30912.,Georgia Cancer Center, Medical College of Georgia, Augusta, GA 30912.,Charlie Norwood VA Medical Center, Augusta, GA 30904
| | - Juan Zou
- Department of Chemistry and Physics, Augusta University, Augusta, GA 30912
| | - Ding Liu
- Department of Chemistry, Georgia State University, Atlanta, GA 30303
| | - Peng George Wang
- Department of Chemistry, Georgia State University, Atlanta, GA 30303
| | - David Ostrov
- Department of Pathology, Immunology and Laboratory Medicine, University of Florida, Gainesville, FL 32610
| | - Nicolas Coant
- Stony Brook Cancer Center, Stony Brook University, Stony Brook, NY 11794
| | - Yusuf A Hannun
- Stony Brook Cancer Center, Stony Brook University, Stony Brook, NY 11794
| | - Aaron H Colby
- Ionic Pharmaceuticals, Brookline, MA 02445; and.,Department of Biomedical Engineering, Boston University, Boston, MA 02215
| | - Mark W Grinstaff
- Department of Biomedical Engineering, Boston University, Boston, MA 02215
| | - Kebin Liu
- Department of Biochemistry and Molecular Biology, Medical College of Georgia, Augusta, GA 30912; .,Georgia Cancer Center, Medical College of Georgia, Augusta, GA 30912.,Charlie Norwood VA Medical Center, Augusta, GA 30904
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Chen Q, Ma Y, Bai P, Li Q, Canup BSB, Long D, Ke B, Dai F, Xiao B, Li C. Tumor Microenvironment-Responsive Nanococktails for Synergistic Enhancement of Cancer Treatment via Cascade Reactions. ACS APPLIED MATERIALS & INTERFACES 2021; 13:4861-4873. [PMID: 33471499 DOI: 10.1021/acsami.0c20268] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
A combination treatment strategy that relies on the synergetic effects of different therapeutic approaches has been considered to be an effective method for cancer therapy. Herein, a chemotherapeutic drug (doxorubicin, Dox) and a manganese ion (Mn2+) were co-loaded into regenerated silk fibroin-based nanoparticles (NPs), followed by the surface conjugation of phycocyanin (PC) to construct tumor microenvironment-activated nanococktails. The resultant PC-Mn@Dox-NPs showed increased drug release rates by responding to various stimulating factors (acidic pH, hydrogen peroxide (H2O2), and glutathione), revealing that they could efficiently release the payloads (Dox and Mn2+) in tumor cells. The released Dox could not only inhibit the growth of tumor cells but also generated a large amount of H2O2. The elevated H2O2 was decomposed into the highly harmful hydroxyl radicals and oxygen through an Mn2+-mediated Fenton-like reaction. Furthermore, the generated oxygen participated in photodynamic therapy (PDT) and produced abundant singlet oxygen. Our investigations demonstrate that these PC-Mn@Dox-NPs exhibit multiple bioresponsibilities and favorable biosafety. By integrating Dox-induced chemotherapy, Mn2+-mediated chemodynamic therapy, and PC-based PDT via cascade reactions, PC-Mn@Dox-NPs achieved enhanced in vitro and in vivo anticancer efficacies compared to all the mono- or dual-therapeutic approaches. These findings reveal that PC-Mn@Dox-NPs can be exploited as a promising nanococktail for cascade reaction-mediated synergistic cancer treatment.
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Affiliation(s)
- Qiubing Chen
- Key Laboratory of Sericultural Biology and Genetic Breeding, Ministry of Agriculture and Rural Affairs, State Key Laboratory of Silkworm Genome Biology, College of Sericulture, Textile and Biomass Sciences, Southwest University, 2 Tiansheng Road, Beibei, Chongqing 400715, P. R. China
- Chongqing Key Laboratory of Soft-Matter Material Chemistry and Function Manufacturing, School of Materials and Energy, Southwest University, 2 Tiansheng Road, Beibei, Chongqing 400715, P. R. China
| | - Ya Ma
- Key Laboratory of Sericultural Biology and Genetic Breeding, Ministry of Agriculture and Rural Affairs, State Key Laboratory of Silkworm Genome Biology, College of Sericulture, Textile and Biomass Sciences, Southwest University, 2 Tiansheng Road, Beibei, Chongqing 400715, P. R. China
| | - Peng Bai
- Department of Forensic Genetics, West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, 37 Guoxuexiang, Chengdu, Sichuan 610041, P. R. China
| | - Qian Li
- Chongqing Key Laboratory of Soft-Matter Material Chemistry and Function Manufacturing, School of Materials and Energy, Southwest University, 2 Tiansheng Road, Beibei, Chongqing 400715, P. R. China
| | - Brandon S B Canup
- Center for Diagnostics and Therapeutics, Georgia State University, 100 Piedmont Avenue, Atlanta, Georgia 30303, United States
| | - Dingpei Long
- Key Laboratory of Sericultural Biology and Genetic Breeding, Ministry of Agriculture and Rural Affairs, State Key Laboratory of Silkworm Genome Biology, College of Sericulture, Textile and Biomass Sciences, Southwest University, 2 Tiansheng Road, Beibei, Chongqing 400715, P. R. China
| | - Bowen Ke
- Department of Forensic Genetics, West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, 37 Guoxuexiang, Chengdu, Sichuan 610041, P. R. China
| | - Fangyin Dai
- Key Laboratory of Sericultural Biology and Genetic Breeding, Ministry of Agriculture and Rural Affairs, State Key Laboratory of Silkworm Genome Biology, College of Sericulture, Textile and Biomass Sciences, Southwest University, 2 Tiansheng Road, Beibei, Chongqing 400715, P. R. China
| | - Bo Xiao
- Key Laboratory of Sericultural Biology and Genetic Breeding, Ministry of Agriculture and Rural Affairs, State Key Laboratory of Silkworm Genome Biology, College of Sericulture, Textile and Biomass Sciences, Southwest University, 2 Tiansheng Road, Beibei, Chongqing 400715, P. R. China
- Chongqing Key Laboratory of Soft-Matter Material Chemistry and Function Manufacturing, School of Materials and Energy, Southwest University, 2 Tiansheng Road, Beibei, Chongqing 400715, P. R. China
| | - Changming Li
- Chongqing Key Laboratory of Soft-Matter Material Chemistry and Function Manufacturing, School of Materials and Energy, Southwest University, 2 Tiansheng Road, Beibei, Chongqing 400715, P. R. China
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