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Zheng D, Jin S, Liu PS, Ye J, Xie X. Targeting ferroptosis by natural products in pathophysiological conditions. Arch Toxicol 2024:10.1007/s00204-024-03812-4. [PMID: 38987487 DOI: 10.1007/s00204-024-03812-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2024] [Accepted: 06/26/2024] [Indexed: 07/12/2024]
Abstract
Ferroptosis is a form of cell death that is induced by iron-mediated accumulation of lipid peroxidation. The involvement of ferroptosis in different pathophysiological conditions has offered new perspectives on potential therapeutic interventions. Natural products, which are widely recognized for their significance in drug discovery and repurposing, have shown great promise in regulating ferroptosis by targeting various ferroptosis players. In this review, we discuss the regulatory mechanisms of ferroptosis and its implications in different pathological conditions. We dissect the interactions between natural products and ferroptosis in cancer, ischemia/reperfusion, neurodegenerative diseases, acute kidney injury, liver injury, and cardiomyopathy, with an emphasis on the relevance of ferroptosis players to disease targetability.
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Affiliation(s)
- Daheng Zheng
- School of Life and Environmental Sciences, Shaoxing University, Shaoxing, Zhejiang, China
| | - Shikai Jin
- School of Life and Environmental Sciences, Shaoxing University, Shaoxing, Zhejiang, China
| | - Pu-Ste Liu
- Department of Biochemistry and Molecular Biology, College of Medicine, National Cheng Kung University, Tainan, Taiwan, ROC
| | - Jianping Ye
- School of Life and Environmental Sciences, Shaoxing University, Shaoxing, Zhejiang, China.
| | - Xin Xie
- School of Life and Environmental Sciences, Shaoxing University, Shaoxing, Zhejiang, China.
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2
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Liang Z, Candib A, Soriano-Castell D, Fischer W, Finley K, Maher P. Fragment-based drug discovery and biological evaluation of novel cannabinol-based inhibitors of oxytosis/ferroptosis for neurological disorders. Redox Biol 2024; 72:103138. [PMID: 38581858 PMCID: PMC11002867 DOI: 10.1016/j.redox.2024.103138] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2024] [Revised: 03/25/2024] [Accepted: 03/26/2024] [Indexed: 04/08/2024] Open
Abstract
The oxytosis/ferroptosis regulated cell death pathway is an emerging field of research owing to its pathophysiological relevance to a wide range of neurological disorders, including Alzheimer's and Parkinson's diseases and traumatic brain injury. Developing novel neurotherapeutics to inhibit oxytosis/ferroptosis offers exciting opportunities for the treatment of these and other neurological diseases. Previously, we discovered cannabinol (CBN) as a unique, potent inhibitor of oxytosis/ferroptosis by targeting mitochondria and modulating their function in neuronal cells. To further elucidate which key pharmacophores and chemical space are essential to the beneficial effects of CBN, we herein introduce a fragment-based drug discovery strategy in conjunction with cell-based phenotypic screens using oxytosis/ferroptosis to determine the structure-activity relationship of CBN. The resulting information led to the development of four new CBN analogs, CP1-CP4, that not only preserve the sub-micromolar potency of neuroprotection and mitochondria-modulating activities seen with CBN in neuronal cell models but also have better druglike properties. Moreover, compared to CBN, the analog CP1 shows improved in vivo efficacy in the Drosophila model of mild traumatic brain injury. Together these studies identify the key molecular scaffolds of cannabinoids that contribute to neuroprotection against oxytosis/ferroptosis. They also highlight the advantageous approach of combining in vitro cell-based assays and rapid in vivo studies using Drosophila models for evaluating new therapeutic compounds.
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Affiliation(s)
- Zhibin Liang
- Cellular Neurobiology Laboratory, The Salk Institute for Biological Studies, 10010 North Torrey Pines Road, La Jolla, CA, 92037, United States.
| | - Alec Candib
- Shiley Bioscience Center, San Diego State University, 5500 Campanile Drive, San Diego, CA, 92182, United States
| | - David Soriano-Castell
- Cellular Neurobiology Laboratory, The Salk Institute for Biological Studies, 10010 North Torrey Pines Road, La Jolla, CA, 92037, United States
| | - Wolfgang Fischer
- Cellular Neurobiology Laboratory, The Salk Institute for Biological Studies, 10010 North Torrey Pines Road, La Jolla, CA, 92037, United States
| | - Kim Finley
- Shiley Bioscience Center, San Diego State University, 5500 Campanile Drive, San Diego, CA, 92182, United States
| | - Pamela Maher
- Cellular Neurobiology Laboratory, The Salk Institute for Biological Studies, 10010 North Torrey Pines Road, La Jolla, CA, 92037, United States.
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3
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Viswanathan S, Arumugam T, Sivaraj R, Subhashri Rajendran S, Ramesh V, Subramanian K, Vasanthi AHR. From network pharmacology to molecular docking analysis of sterubin targets for Alzheimer. Bioinformation 2024; 20:327-336. [PMID: 38854763 PMCID: PMC11161872 DOI: 10.6026/973206300200327] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2024] [Revised: 04/30/2024] [Accepted: 04/30/2024] [Indexed: 06/11/2024] Open
Abstract
Sterubin (7-O-Methyleriodicytol), a flavanone compound isolated from the leaves of Eriodicyton californicum and Eriodicyton angustifolium, has neuroprotective, anti-inflammatory, and antioxidant properties. Therefore, it is of interest to identify the potential targets for Alzheimer disease using network pharmacology. We report 25 overlapping targets among 100 potential targets of sterubin and 673 known targets of Alzheimer. APP, BACE-1, and AChE were among the ten hub targets enriched in biological processes and pathways relevant to Alzheimer's disease. Subsequent, molecular docking analysis shows that sterubin have optimal binding features with these hub gene targets for further consideration.
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Affiliation(s)
- Sittarthan Viswanathan
- Department of Pharmacology, Mother Theresa Post Graduate & Research Institute of Health Sciences (Government of Puducherry Institution), Puducherry - 605006, India
| | - Thennavan Arumugam
- Department of Pharmacology, Central Animal House, JIPMER, Puducherry - 605006
| | - Rengaraj Sivaraj
- Department of Pharmacology, Aarupadai Veedu Medical College & Hospital, Puducherry 607402
| | - Srihari Subhashri Rajendran
- Department of Pharmacology, Mother Theresa Post Graduate & Research Institute of Health Sciences (Government of Puducherry Institution), Puducherry - 605006, India
| | - Vimalavathini Ramesh
- Department of Pharmacology, Mother Theresa Post Graduate & Research Institute of Health Sciences (Government of Puducherry Institution), Puducherry - 605006, India
| | - Kavimani Subramanian
- Department of Pharmacology, Mother Theresa Post Graduate & Research Institute of Health Sciences (Government of Puducherry Institution), Puducherry - 605006, India
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4
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Son M, Jeon YJ, Ryu B, Kim DY. Olive Flounder By-Product Prozyme2000P Hydrolysate Ameliorates Age-Related Kidney Decline by Inhibiting Ferroptosis. Int J Mol Sci 2024; 25:4668. [PMID: 38731887 PMCID: PMC11083375 DOI: 10.3390/ijms25094668] [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: 03/20/2024] [Revised: 04/23/2024] [Accepted: 04/23/2024] [Indexed: 05/13/2024] Open
Abstract
This study explores olive flounder by-product Prozyme2000P (OFBP) hydrolysate as a potential treatment for age-related kidney decline. Ferroptosis, a form of cell death linked to iron overload and oxidative stress, is increasingly implicated in aging kidneys. We investigated whether OFBP could inhibit ferroptosis and improve kidney health. Using TCMK-1 cells, we found that OFBP treatment protected cells from ferroptosis induced by sodium iodate (SI). OFBP also preserved the mitochondria health and influenced molecules involved in ferroptosis regulation. In aging mice, oral administration of OFBP significantly improved kidney health markers. Microscopic examination revealed reduced thickening and scarring in the kidney's filtering units, a hallmark of aging. These findings suggest that OFBP hydrolysate may be a promising therapeutic candidate for age-related kidney decline. By inhibiting ferroptosis, OFBP treatment appears to improve both cellular and structural markers of kidney health. Further research is needed to understand how OFBP works fully and test its effectiveness in more complex models.
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Affiliation(s)
- Myeongjoo Son
- Department of Anatomy & Cell Biology, School of Medicine, Kangwon National University, Chuncheon 24341, Republic of Korea;
| | - You-Jin Jeon
- Department of Marine Life Sciences, Jeju National University, Jeju 63243, Republic of Korea;
- Marine Science Institute, Jeju National University, Jeju 63333, Republic of Korea
| | - Bomi Ryu
- Major of Food Science and Nutrition, Pukyong National University, Busan 48513, Republic of Korea
| | - Dae Yu Kim
- Inha Research Institute for Aerospace Medicine, Inha University, Incheon 22212, Republic of Korea
- Department of Electrical and Computer Engineering, College of Engineering, Inha University, Incheon 22212, Republic of Korea
- Center for Sensor Systems, Inha University, Incheon 22212, Republic of Korea
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5
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Goujon M, Liang Z, Soriano-Castell D, Currais A, Maher P. The Neuroprotective Flavonoids Sterubin and Fisetin Maintain Mitochondrial Health under Oxytotic/Ferroptotic Stress and Improve Bioenergetic Efficiency in HT22 Neuronal Cells. Antioxidants (Basel) 2024; 13:460. [PMID: 38671908 PMCID: PMC11047672 DOI: 10.3390/antiox13040460] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2024] [Revised: 04/11/2024] [Accepted: 04/12/2024] [Indexed: 04/28/2024] Open
Abstract
The global increase in the aging population has led to a rise in many age-related diseases with continuing unmet therapeutic needs. Research into the molecular mechanisms underlying both aging and neurodegeneration has identified promising therapeutic targets, such as the oxytosis/ferroptosis cell death pathway, in which mitochondrial dysfunction plays a critical role. This study focused on sterubin and fisetin, two flavonoids from the natural pharmacopeia previously identified as strong inhibitors of the oxytosis/ferroptosis pathway. Here, we investigated the effects of the compounds on the mitochondrial physiology in HT22 hippocampal nerve cells under oxytotic/ferroptotic stress. We show that the compounds can restore mitochondrial homeostasis at the level of redox regulation, calcium uptake, biogenesis, fusion/fission dynamics, and modulation of respiration, leading to the enhancement of bioenergetic efficiency. However, mitochondria are not required for the neuroprotective effects of sterubin and fisetin, highlighting their diverse homeostatic impacts. Sterubin and fisetin, thus, provide opportunities to expand drug development strategies for anti-oxytotic/ferroptotic agents and offer new perspectives on the intricate interplay between mitochondrial function, cellular stress, and the pathophysiology of aging and age-related neurodegenerative disorders.
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Affiliation(s)
- Marie Goujon
- Cellular Neurobiology Laboratory, Salk Institute for Biological Studies, 10010 North Torrey Pines Road, San Diego, CA 92037, USA; (Z.L.); (D.S.-C.); (A.C.)
| | | | | | | | - Pamela Maher
- Cellular Neurobiology Laboratory, Salk Institute for Biological Studies, 10010 North Torrey Pines Road, San Diego, CA 92037, USA; (Z.L.); (D.S.-C.); (A.C.)
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Almasoudi HH, Nahari MH, Binshaya AS, Hakami MA, Alhazmi AY, Al Shmrany H, Alqasem A, Khan FR. Sakuranetin ameliorates streptozotocin-induced diabetes in rodents by inhibiting caspase-3 activity, modulating hematological parameters, and suppressing inflammatory cytokines: a molecular docking and dynamics study. J Biomol Struct Dyn 2024:1-18. [PMID: 38459941 DOI: 10.1080/07391102.2024.2325659] [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: 11/03/2023] [Accepted: 02/25/2024] [Indexed: 03/11/2024]
Abstract
Diabetes affects people of all ages, regardless of gender and background. To date, there is no evidence for the effect of sakuranetin against the streptozotocin (STZ)-induced diabetes paradigm. The research was directed to evaluate the antidiabetic activity of sakuranetin in the STZ model invoking the diabetes-induced disease paradigm. STZ (I.P. 60 mg/kg) is directed to induce type 2 diabetes in experimental rats. Recent research pursued to regulate the anti-diabetic ability of sakuranetin at both 10 and 20 mg/kg in STZ-induced rats. Furthermore, molecular docking research was implemented to evaluate sakuranetin requisite attraction to inflammatory indicators. Various anti-diabetic [(glucose, hemoglobin A1c (HbA1c), and insulin)], lipid profile [triglycerides (TG), total cholesterol (TC), and high-density lipoproteins (HDL)], hematological parameters [Hemoglobin (HGB), packed cell volume (PCV), red blood cells (RBC), mean corpuscular volume (MCV), platelet (PLT), and white blood cells (WBC), pro-inflammatory cytokines [tumor necrosis factor-α (TNF-α), interleukin-1β (IL-1β), and interleukin-6 (IL-6)], antioxidant level [catalase (CAT), superoxide dismutase (SOD), glutathione (GSH)], lipid oxidation, and caspase-3 were evaluated. Furthermore, molecular docking and dynamics were performed for TNF-α (2AZ5), IL-6 (1ALU), IL-1β (6Y8M), Caspase-3 (1NME) and serum insulin (4IBM) target ligands. Sakuranetin treatment at both doses restored the biochemical parameters i.e. blood glucose, insulin, HbA1c, lipid profile, hematological parameters, pro-inflammatory markers, antioxidant levels, lipid oxidation, and caspase-3 in the context of diabetic rats. It also showed favorable binding affinity on inflammatory markers. Sakuranetin binds to proteins 2AZ5, 1ALU, 6Y8M, 1NME, and 4IBM at -7.489, -6.381, -6.742, -7.202, and -8.166 Kcal/mol, respectively. All of the findings from the molecular dynamics simulations points toward a considerable change in the conformational dynamics of protein upon binding with sakuranetin. The potential use of sakuranetin as an alternative diabetes medication will aid future research as a potent anti-diabetic agent.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Hassan H Almasoudi
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Najran University, Najran, Saudi Arabia
| | - Mohammed H Nahari
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Najran University, Najran, Saudi Arabia
| | - Abdulkarim S Binshaya
- Department of Medical Laboratory Sciences, College of Applied Medical Sciences, Prince Sattam bin Abdulaziz University, Alkharj, Saudi Arabia
| | - Mohammed Ageeli Hakami
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Al-Quwayiyah, Shaqra University, Riyadh, Saudi Arabia
| | - Abdulfattah Y Alhazmi
- Pharmaceutical Practices Department College of Pharmacy, Umm Al-Qura University, Makkah, Saudi Arabia
| | - Humood Al Shmrany
- Department of Medical Laboratory Sciences, College of Applied Medical Sciences, Prince Sattam bin Abdulaziz University, Alkharj, Saudi Arabia
| | - Abdullah Alqasem
- Department of Medical Laboratory Sciences, College of Applied Medical Sciences, Prince Sattam bin Abdulaziz University, Alkharj, Saudi Arabia
| | - Farhan R Khan
- Department of Pharmaceutical Chemistry, P. W College of Pharmacy, Yavatmal, India
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7
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Wang L, Fang X, Ling B, Wang F, Xia Y, Zhang W, Zhong T, Wang X. Research progress on ferroptosis in the pathogenesis and treatment of neurodegenerative diseases. Front Cell Neurosci 2024; 18:1359453. [PMID: 38515787 PMCID: PMC10955106 DOI: 10.3389/fncel.2024.1359453] [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: 12/21/2023] [Accepted: 02/15/2024] [Indexed: 03/23/2024] Open
Abstract
Globally, millions of individuals are impacted by neurodegenerative disorders including Huntington's disease (HD), amyotrophic lateral sclerosis (ALS), Parkinson's disease (PD), and Alzheimer's disease (AD). Although a great deal of energy and financial resources have been invested in disease-related research, breakthroughs in therapeutic approaches remain elusive. The breakdown of cells usually happens together with the onset of neurodegenerative diseases. However, the mechanism that triggers neuronal loss is unknown. Lipid peroxidation, which is iron-dependent, causes a specific type of cell death called ferroptosis, and there is evidence its involvement in the pathogenic cascade of neurodegenerative diseases. However, the specific mechanisms are still not well known. The present article highlights the basic processes that underlie ferroptosis and the corresponding signaling networks. Furthermore, it provides an overview and discussion of current research on the role of ferroptosis across a variety of neurodegenerative conditions.
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Affiliation(s)
- Lijuan Wang
- The First School of Clinical Medicine, Gannan Medical University, Ganzhou, China
- Laboratory Medicine, First Affiliated Hospital of Gannan Medical University, Ganzhou, China
| | - Xiansong Fang
- Department of Blood Transfusion, The First Affiliated Hospital of Gannan Medical University, Ganzhou, China
| | - Baodian Ling
- Laboratory Medicine, First Affiliated Hospital of Gannan Medical University, Ganzhou, China
| | - Fangsheng Wang
- Laboratory Medicine, First Affiliated Hospital of Gannan Medical University, Ganzhou, China
| | - Yu Xia
- Laboratory Medicine, First Affiliated Hospital of Gannan Medical University, Ganzhou, China
| | - Wenjuan Zhang
- The First School of Clinical Medicine, Gannan Medical University, Ganzhou, China
- Laboratory Medicine, First Affiliated Hospital of Gannan Medical University, Ganzhou, China
| | - Tianyu Zhong
- The First School of Clinical Medicine, Gannan Medical University, Ganzhou, China
- Laboratory Medicine, First Affiliated Hospital of Gannan Medical University, Ganzhou, China
| | - Xiaoling Wang
- The First School of Clinical Medicine, Gannan Medical University, Ganzhou, China
- Laboratory Medicine, First Affiliated Hospital of Gannan Medical University, Ganzhou, China
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8
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Dar NJ, John U, Bano N, Khan S, Bhat SA. Oxytosis/Ferroptosis in Neurodegeneration: the Underlying Role of Master Regulator Glutathione Peroxidase 4 (GPX4). Mol Neurobiol 2024; 61:1507-1526. [PMID: 37725216 DOI: 10.1007/s12035-023-03646-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Accepted: 09/05/2023] [Indexed: 09/21/2023]
Abstract
Oxytosis/ferroptosis is an iron-dependent oxidative form of cell death triggered by lethal accumulation of phospholipid hydroperoxides (PLOOHs) in membranes. Failure of the intricate PLOOH repair system is a principle cause of ferroptotic cell death. Glutathione peroxidase 4 (GPX4) is distinctly vital for converting PLOOHs in membranes to non-toxic alcohols. As such, GPX4 is known as the master regulator of oxytosis/ferroptosis. Ferroptosis has been implicated in a number of disorders such as neurodegenerative diseases (amyotrophic lateral sclerosis (ALS), Alzheimer's disease (AD), Parkinson's disease (PD), and Huntington's disease (HD), etc.), ischemia/reperfusion injury, and kidney degeneration. Reduced function of GPX4 is frequently observed in degenerative disorders. In this study, we examine how diminished GPX4 function may be a critical event in triggering oxytosis/ferroptosis to perpetuate or initiate the neurodegenerative diseases and assess the possible therapeutic importance of oxytosis/ferroptosis in neurodegenerative disorders. These discoveries are important for advancing our understanding of neurodegenerative diseases because oxytosis/ferroptosis may provide a new target to slow the course of the disease.
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Affiliation(s)
- Nawab John Dar
- School of Medicine, University of Texas Health San Antonio, San Antonio, TX, 78229, USA.
| | - Urmilla John
- School of Studies in Neuroscience, Jiwaji University, Gwalior, India
- School of Studies in Zoology, Jiwaji University, Gwalior, India
| | - Nargis Bano
- Faculty of Life Sciences, Department of Zoology, Aligarh Muslim University, Aligarh, U.P, India
| | - Sameera Khan
- Faculty of Life Sciences, Department of Zoology, Aligarh Muslim University, Aligarh, U.P, India
| | - Shahnawaz Ali Bhat
- Faculty of Life Sciences, Department of Zoology, Aligarh Muslim University, Aligarh, U.P, India.
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Alqurashi M, Al-Abbasi F, Afzal M, Alghamdi A, Zeyadi M, Sheikh R, Alshehri S, Imam S, Sayyed N, Kazmi I. Protective effect of sterubin against neurochemical and behavioral impairments in rotenone-induced Parkinson's disease. Braz J Med Biol Res 2024; 57:e12829. [PMID: 38359270 PMCID: PMC10868181 DOI: 10.1590/1414-431x2023e12829] [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: 09/29/2023] [Accepted: 12/18/2023] [Indexed: 02/17/2024] Open
Abstract
This study was conducted to evaluate how sterubin affects rotenone-induced Parkinson's disease (PD) in rats. A total of 24 rats were distributed into 4 equal groups: normal saline control and rotenone control were administered saline or rotenone (ROT), respectively, orally; sterubin 10 received ROT + sterubin 10 mg/kg po; and sterubin alone was administered to the test group (10 mg/kg). Rats of the normal saline and sterubin alone groups received sunflower oil injection (sc) daily, 1 h after receiving the treatments cited above, while rats of the other groups received rotenone injection (0.5 mg/kg, sc). The treatment was continued over the course of 28 days daily. On the 29th day, catalepsy and akinesia were assessed. The rats were then euthanized, and the brain was extracted for estimation of endogenous antioxidants (MDA: malondialdehyde, GSH: reduced glutathione, CAT: catalase, SOD: superoxide dismutase), nitrative (nitrite) stress markers, neuroinflammatory cytokines, and neurotransmitter levels and their metabolites (3,4-dihydroxyphenylacetic acid (DOPAC), dopamine (DA), norepinephrine (NE), serotonin (5-HT), 5-hydroxyindoleacetic acid (5-HIAA), and homovanillic acid (HVA)). Akinesia and catatonia caused by ROT reduced the levels of endogenous antioxidants (GSH, CAT, and SOD), elevated the MDA level, and altered the levels of nitrites, neurotransmitters, and their metabolites. Sterubin restored the neurobehavioral deficits, oxidative stress, and metabolites of altered neurotransmitters caused by ROT. Results demonstrated the anti-Parkinson's activities of sterubin in ROT-treated rats.
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Affiliation(s)
- M.M. Alqurashi
- Department of Biochemistry, Faculty of Sciences, King Abdulaziz University, Jeddah, Saudi Arabia
| | - F.A. Al-Abbasi
- Department of Biochemistry, Faculty of Sciences, King Abdulaziz University, Jeddah, Saudi Arabia
| | - M. Afzal
- Department of Pharmaceutical Sciences, Pharmacy Program, Batterjee Medical College, Jeddah, Saudi Arabia
| | - A.M. Alghamdi
- Department of Biochemistry, Faculty of Sciences, King Abdulaziz University, Jeddah, Saudi Arabia
| | - M. Zeyadi
- Department of Biochemistry, Faculty of Sciences, King Abdulaziz University, Jeddah, Saudi Arabia
| | - R.A. Sheikh
- Department of Biochemistry, Faculty of Sciences, King Abdulaziz University, Jeddah, Saudi Arabia
- Experimental Biochemistry Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah, Saudi Arabia
| | - S. Alshehri
- Department of Pharmaceutics, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
| | - S.S. Imam
- Department of Pharmaceutics, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
| | - N. Sayyed
- School of Pharmacy, Glocal University, Saharanpur, India
| | - I. Kazmi
- Department of Biochemistry, Faculty of Sciences, King Abdulaziz University, Jeddah, Saudi Arabia
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Nazeri MT, Nasiriani T, Torabi S, Shaabani A. Isocyanide-based multicomponent reactions for the synthesis of benzopyran derivatives with biological scaffolds. Org Biomol Chem 2024; 22:1102-1134. [PMID: 38251960 DOI: 10.1039/d3ob01671d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2024]
Abstract
Benzopyrans (BZPs) are among the most privileged and influential small O-heterocycles that form the core of many natural compounds, commercial drugs, biological compositions, agrochemicals, and functional materials. BZPs are divided into six general categories including coumarins, chromans, 2H-chromenes, 4H-chromenes, chromones, and 4-chromanones, each of which is abundant in many plants and foods. These oxygenated heterocyclic compounds are fascinating motifs and have extensive applications in biology and materials science. Hence, numerous efforts have been made to develop innovative approaches for their extraction and synthesis. However, most of them are step-by-step or multi-step strategies that suffer from waste material generation and a tedious extraction process. Isocyanide-based multicomponent reactions (I-MCRs) offer a highly efficient method for overcoming these problems. The I-MCR is a simple and environmentally friendly one-pot domino procedure that does not require intermediate isolation or workup and is generally more efficient in material usage. This review covers all research articles related to I-MCRs for synthesizing BZP derivatives from the beginning to the middle of the year 2023. This strategy will be useful for organic and pharmaceutical chemists to design new drugs and optimize the synthesis steps of biological compounds and commercial drugs with benzopyran cores.
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Affiliation(s)
- Mohammad Taghi Nazeri
- Faculty of Chemistry, Shahid Beheshti University, G. C., P. O. Box 19396-4716, Tehran, Iran.
| | - Tahereh Nasiriani
- Faculty of Chemistry, Shahid Beheshti University, G. C., P. O. Box 19396-4716, Tehran, Iran.
| | - Saeed Torabi
- Faculty of Chemistry, Shahid Beheshti University, G. C., P. O. Box 19396-4716, Tehran, Iran.
| | - Ahmad Shaabani
- Faculty of Chemistry, Shahid Beheshti University, G. C., P. O. Box 19396-4716, Tehran, Iran.
- Peoples' Friendship University of Russia (RUDN University), 6, Miklukho-Maklaya Street, Moscow, 117198, Russian Federation
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11
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Viswanathan S, Subramanian K, Ramesh V, Vasanthi AHR. Insights from molecular network analysis to docking of sterubin with potential targets. Bioinformation 2023; 19:1184-1192. [PMID: 38250532 PMCID: PMC10794762 DOI: 10.6026/973206300191184] [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: 12/01/2023] [Revised: 12/31/2023] [Accepted: 12/31/2023] [Indexed: 01/23/2024] Open
Abstract
The use of a flavonoid compound sterubin in drug discovery is gaining momentum. Hence, it is of interest to document the molecular network analysis to docking of sterubin with potential targets to glean insights. We identified 32 target genes and (or) gene products for sterubin using DAVID tools for GO, KEGG pathway enrichment analyses and the STRING database. Further, molecular docking analysis data of sterubin with these targets is documented for further consideration in broad-spectrum drug discovery.
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Affiliation(s)
- Sittarthan Viswanathan
- Department of Pharmacology, Mother Theresa Post Graduate & Research Institute of Health Sciences (Government of Puducherry Institution), Puducherry - 605006, India
| | - Kavimani Subramanian
- Department of Pharmacology, Mother Theresa Post Graduate & Research Institute of Health Sciences (Government of Puducherry Institution), Puducherry - 605006, India
| | - Vimalavathini Ramesh
- Department of Pharmacology, Mother Theresa Post Graduate & Research Institute of Health Sciences (Government of Puducherry Institution), Puducherry - 605006, India
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12
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Pavlović N, Milošević Sopta N, Mitrović D, Zaklan D, Tomas Petrović A, Stilinović N, Vukmirović S. Principal Component Analysis (PCA) of Molecular Descriptors for Improving Permeation through the Blood-Brain Barrier of Quercetin Analogues. Int J Mol Sci 2023; 25:192. [PMID: 38203364 PMCID: PMC10778702 DOI: 10.3390/ijms25010192] [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: 11/23/2023] [Revised: 12/13/2023] [Accepted: 12/17/2023] [Indexed: 01/12/2024] Open
Abstract
Despite its beneficial pharmacological effects in the brain, partly by modulating inositol phosphate multikinase (IPMK) activity, the therapeutic use of quercetin is limited due to its poor solubility, low oral bioavailability, and low permeability through the blood-brain barrier (BBB). We aimed to identify quercetin analogues with improved BBB permeability and preserved binding affinities towards IPMK and to identify the molecular characteristics required for them to permeate the BBB. Binding affinities of quercetin analogues towards IPMK were determined by molecular docking. Principal component analysis (PCA) was applied to identify the molecular descriptors contributing to efficient permeation through the BBB. Among 34 quercetin analogues, 19 compounds were found to form more stable complexes with IPMK, and the vast majority were found to be more lipophilic than quercetin. Using two distinct in silico techniques, insufficient BBB permeation was determined for all quercetin analogues. However, using the PCA method, the descriptors related to intrinsic solubility and lipophilicity (logP) were identified as mainly responsible for clustering four quercetin analogues (trihydroxyflavones) with the highest BBB permeability. The application of PCA revealed that quercetin analogues could be classified with respect to their structural characteristics, which may be utilized in further analogue syntheses and lead optimization of BBB-penetrating IPMK modulators as neuroprotective agents.
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Affiliation(s)
- Nebojša Pavlović
- Department of Pharmacy, Faculty of Medicine, University of Novi Sad, Hajduk Veljkova 3, 21000 Novi Sad, Serbia; (D.M.); (D.Z.)
| | | | - Darko Mitrović
- Department of Pharmacy, Faculty of Medicine, University of Novi Sad, Hajduk Veljkova 3, 21000 Novi Sad, Serbia; (D.M.); (D.Z.)
- Accelsiors CRO, Háros Street 103, 1222 Budapest, Hungary;
| | - Dragana Zaklan
- Department of Pharmacy, Faculty of Medicine, University of Novi Sad, Hajduk Veljkova 3, 21000 Novi Sad, Serbia; (D.M.); (D.Z.)
| | - Ana Tomas Petrović
- Department of Pharmacology, Toxicology and Clinical Pharmacology, Faculty of Medicine, University of Novi Sad, Hajduk Veljkova 3, 21000 Novi Sad, Serbia; (A.T.P.); (N.S.); (S.V.)
| | - Nebojša Stilinović
- Department of Pharmacology, Toxicology and Clinical Pharmacology, Faculty of Medicine, University of Novi Sad, Hajduk Veljkova 3, 21000 Novi Sad, Serbia; (A.T.P.); (N.S.); (S.V.)
| | - Saša Vukmirović
- Department of Pharmacology, Toxicology and Clinical Pharmacology, Faculty of Medicine, University of Novi Sad, Hajduk Veljkova 3, 21000 Novi Sad, Serbia; (A.T.P.); (N.S.); (S.V.)
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13
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Yadav VK, Choudhary N, Gacem A, Verma RK, Abul Hasan M, Tarique Imam M, Almalki ZS, Yadav KK, Park HK, Ghosh T, Kumar P, Patel A, Kalasariya H, Jeon BH, Ali AlMubarak H. Deeper insight into ferroptosis: association with Alzheimer's, Parkinson's disease, and brain tumors and their possible treatment by nanomaterials induced ferroptosis. Redox Rep 2023; 28:2269331. [PMID: 38010378 PMCID: PMC11001282 DOI: 10.1080/13510002.2023.2269331] [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] [Indexed: 11/29/2023] Open
Abstract
Ferroptosis is an emerging and novel type of iron-dependent programmed cell death which is mainly caused by the excessive deposition of free intracellular iron in the brain cells. This deposited free iron exerts a ferroptosis pathway, resulting in lipid peroxidation (LiPr). There are mainly three ferroptosis pathways viz. iron metabolism-mediated cysteine/glutamate, and LiPr-mediated. Iron is required by the brain as a redox metal for several physiological activities. Due to the iron homeostasis balance disruption, the brain gets adversely affected which further causes neurodegenerative diseases (NDDs) like Parkinson's and Alzheimer's disease, strokes, and brain tumors like glioblastoma (GBS), and glioma. Nanotechnology has played an important role in the prevention and treatment of these NDDs. A synergistic effect of nanomaterials and ferroptosis could prove to be an effective and efficient approach in the field of nanomedicine. In the current review, the authors have highlighted all the latest research in the field of ferroptosis, specifically emphasizing on the role of major molecular key players and various mechanisms involved in the ferroptosis pathway. Moreover, here the authors have also addressed the correlation of ferroptosis with the pathophysiology of NDDs and theragnostic effect of ferroptosis and nanomaterials for the prevention and treatment of NDDs.
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Affiliation(s)
- Virendra Kumar Yadav
- Department of Life Sciences, Hemchandracharya North Gujarat University, Patan, India
| | - Nisha Choudhary
- Department of Life Sciences, Hemchandracharya North Gujarat University, Patan, India
| | - Amel Gacem
- Department of Physics, Faculty of Sciences, University 20 Août 1955, Skikda, Algeria
| | - Rakesh Kumar Verma
- Department of Biosciences, School of Liberal Arts & Sciences, Mody University of Science and Technology, Sikar, India
| | - Mohd Abul Hasan
- Civil Engineering Department, College of Engineering, King Khalid University, Abha, Kingdom of Saudi Arabia (KSA)
| | - Mohammad Tarique Imam
- Department of Clinical Pharmacy, College of Pharmacy, Prince Sattam Bin Abdulaziz University, Al Kharj, Saudi Arabia
| | - Ziyad Saeed Almalki
- Department of Clinical Pharmacy, College of Pharmacy, Prince Sattam Bin Abdulaziz University, Al Kharj, Saudi Arabia
| | - Krishna Kumar Yadav
- Faculty of Science and Technology, Madhyanchal Professional University, Bhopal, India
- Environmental and Atmospheric Sciences Research Group, Scientific Research Center, Al-Ayen University, Nasiriyah, Iraq
| | - Hyun-Kyung Park
- Department of Pediatrics, Hanyang University College of Medicine, Seoul, Republic of Korea
| | - Tathagata Ghosh
- Department of Arts, School of Liberal Arts & Sciences, Mody University of Science and Technology, Sikar, India
| | - Pankaj Kumar
- Department of Environmental Science, Parul Institute of Applied Sciences, Parul University, Vadodara, India
| | - Ashish Patel
- Department of Life Sciences, Hemchandracharya North Gujarat University, Patan, India
| | - Haresh Kalasariya
- Centre for Natural Products Discovery, School of Pharmacy and Biomolecular Sciences, Liverpool John Moores University, Liverpool, UK
| | - Byong-Hun Jeon
- Department of Earth Resources and Environmental Engineering, Hanyang University, Seoul, Republic of Korea
| | - Hassan Ali AlMubarak
- Division of Radiology, Department of Medicine, College of Medicine and Surgery, King Khalid University (KKU), Abha, Kingdom of Saudi Arabia
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14
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Wang Y, Lv MN, Zhao WJ. Research on ferroptosis as a therapeutic target for the treatment of neurodegenerative diseases. Ageing Res Rev 2023; 91:102035. [PMID: 37619619 DOI: 10.1016/j.arr.2023.102035] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2023] [Revised: 08/14/2023] [Accepted: 08/17/2023] [Indexed: 08/26/2023]
Abstract
Ferroptosis is an iron- and lipid peroxidation (LPO)-mediated programmed cell death type. Recently, mounting evidence has indicated the involvement of ferroptosis in neurodegenerative diseases, especially in Alzheimer's disease (AD), Parkinson's disease (PD), multiple sclerosis (MS), amyotrophic lateral sclerosis (ALS), Huntington's disease (HD), and so on. Treating ferroptosis presents opportunities as well as challenges for neurodegenerative diseases. This review provides a comprehensive overview of typical features of ferroptosis and the underlying mechanisms that contribute to its occurrence, as well as their implications in the pathogenesis and advancement of major neurodegenerative disorders. Meanwhile, we summarize the utilization of ferroptosis inhibition in both experimental and clinical approaches for the treatment of major neurodegenerative disorders. In addition, we specifically summarize recent advances in developing therapeutic means targeting ferroptosis in these diseases, which may guide future approaches for the effective management of these devastating medical conditions.
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Affiliation(s)
- Yi Wang
- Wuxi School of Medicine, Jiangnan University, Wuxi, Jiangsu 214122, PR China
| | - Meng-Nan Lv
- Wuxi School of Medicine, Jiangnan University, Wuxi, Jiangsu 214122, PR China
| | - Wei-Jiang Zhao
- Wuxi School of Medicine, Jiangnan University, Wuxi, Jiangsu 214122, PR China; Department of Cell Biology, Wuxi School of Medicine, Jiangnan University, Wuxi, Jiangsu 214122, PR China.
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15
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Sun S, Shen J, Jiang J, Wang F, Min J. Targeting ferroptosis opens new avenues for the development of novel therapeutics. Signal Transduct Target Ther 2023; 8:372. [PMID: 37735472 PMCID: PMC10514338 DOI: 10.1038/s41392-023-01606-1] [Citation(s) in RCA: 36] [Impact Index Per Article: 36.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Revised: 07/24/2023] [Accepted: 08/11/2023] [Indexed: 09/23/2023] Open
Abstract
Ferroptosis is an iron-dependent form of regulated cell death with distinct characteristics, including altered iron homeostasis, reduced defense against oxidative stress, and abnormal lipid peroxidation. Recent studies have provided compelling evidence supporting the notion that ferroptosis plays a key pathogenic role in many diseases such as various cancer types, neurodegenerative disease, diseases involving tissue and/or organ injury, and inflammatory and infectious diseases. Although the precise regulatory networks that underlie ferroptosis are largely unknown, particularly with respect to the initiation and progression of various diseases, ferroptosis is recognized as a bona fide target for the further development of treatment and prevention strategies. Over the past decade, considerable progress has been made in developing pharmacological agonists and antagonists for the treatment of these ferroptosis-related conditions. Here, we provide a detailed overview of our current knowledge regarding ferroptosis, its pathological roles, and its regulation during disease progression. Focusing on the use of chemical tools that target ferroptosis in preclinical studies, we also summarize recent advances in targeting ferroptosis across the growing spectrum of ferroptosis-associated pathogenic conditions. Finally, we discuss new challenges and opportunities for targeting ferroptosis as a potential strategy for treating ferroptosis-related diseases.
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Affiliation(s)
- Shumin Sun
- The First Affiliated Hospital, Institute of Translational Medicine, The Second Affiliated Hospital, School of Public Health, Cancer Center, State Key Laboratory of Experimental Hematology, Zhejiang University School of Medicine, Hangzhou, China
| | - Jie Shen
- The First Affiliated Hospital, Institute of Translational Medicine, The Second Affiliated Hospital, School of Public Health, Cancer Center, State Key Laboratory of Experimental Hematology, Zhejiang University School of Medicine, Hangzhou, China
| | - Jianwei Jiang
- The First Affiliated Hospital, Institute of Translational Medicine, The Second Affiliated Hospital, School of Public Health, Cancer Center, State Key Laboratory of Experimental Hematology, Zhejiang University School of Medicine, Hangzhou, China
| | - Fudi Wang
- The First Affiliated Hospital, Institute of Translational Medicine, The Second Affiliated Hospital, School of Public Health, Cancer Center, State Key Laboratory of Experimental Hematology, Zhejiang University School of Medicine, Hangzhou, China.
| | - Junxia Min
- The First Affiliated Hospital, Institute of Translational Medicine, The Second Affiliated Hospital, School of Public Health, Cancer Center, State Key Laboratory of Experimental Hematology, Zhejiang University School of Medicine, Hangzhou, China.
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16
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Wang M, Zhao J, Avula B, Lee J, Upton R, Khan IA. Chemical characterization and quantitative determination of flavonoids and phenolic acids in yerba santa (Eriodictyon spp.) using UHPLC/DAD/Q-ToF. J Pharm Biomed Anal 2023; 234:115570. [PMID: 37473504 DOI: 10.1016/j.jpba.2023.115570] [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: 03/24/2023] [Revised: 07/01/2023] [Accepted: 07/09/2023] [Indexed: 07/22/2023]
Abstract
Eriodictyon species, commonly known as yerba santa, are plants native to the Southwestern United States and northern Mexico. The plants are known for their medicinal properties and have been used by indigenous people for centuries to treat various ailments, in particular, respiratory conditions. Despite a long history of traditional use, many of the species have never been fully chemically characterized, and the constituent range of the species has not been comprehensively reported. In an effort to establish a quality control and chemical characterization method, an extensive set of Eriodictyon species samples including E. californicum (n = 85), E. angustifolium (n = 8), E. trichocalyx (n = 5), E. crassifolium (n = 9), E. tomentosum (n = 2), E. traskiae (n = 1), and E. capitatum (n = 1) were investigated. Fourteen compounds comprised of flavonoids and phenolic acids were quantified utilizing an UHPLC/DAD method. The results from the method validation demonstrated excellent linearity (R2 > 0.99) and sensitivity as evidenced by LOD (0.01-0.1 µg/mL) and LOQ (0.05-0.2 µg/mL). Likewise, the method was found to be precise (RSD < 2.78%) with recoveries between 88.9% and 103.2%. Furthermore, by using UHPLC/ESI/Q-ToF data and protonated, deprotonated, and adduct and fragment ions in positive and negative ion modes, we were able to identify 53 compounds in yerba santa plant samples. To the best of our knowledge, this work encapsulates the most comprehensive data set currently available for the chemical characterization and quantification of the primary constituents in Eriodictyon species. Additionally, results of this study also demonstrated the applicability of the developed method for quality assessment of raw material and commercial herbal products containing different Eriodictyon species.
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Affiliation(s)
- Mei Wang
- Natural Products Utilization Research Unit, Agricultural Research Service, United States Department of Agriculture, University, MS 38677, USA.
| | - Jianping Zhao
- National Center for Natural Products Research, School of Pharmacy, University of Mississippi, University, MS 38677, USA
| | - Bharathi Avula
- National Center for Natural Products Research, School of Pharmacy, University of Mississippi, University, MS 38677, USA
| | - Joseph Lee
- National Center for Natural Products Research, School of Pharmacy, University of Mississippi, University, MS 38677, USA
| | - Roy Upton
- American Herbal Pharmacopoeia, Scotts Valley, CA 95066, USA
| | - Ikhlas A Khan
- National Center for Natural Products Research, School of Pharmacy, University of Mississippi, University, MS 38677, USA; Division of Pharmacognosy, Department of BioMolecular Sciences, School of Pharmacy, University of Mississippi, University, MS 38677, USA
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17
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Zhao D, Yang K, Guo H, Zeng J, Wang S, Xu H, Ge A, Zeng L, Chen S, Ge J. Mechanisms of ferroptosis in Alzheimer's disease and therapeutic effects of natural plant products: A review. Biomed Pharmacother 2023; 164:114312. [PMID: 37210894 DOI: 10.1016/j.biopha.2023.114312] [Citation(s) in RCA: 21] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Revised: 01/24/2023] [Accepted: 01/26/2023] [Indexed: 05/23/2023] Open
Abstract
Neurodegenerative diseases, such as Alzheimer's disease (AD), are characterized by massive loss of specific neurons. It is a progressive disabling, severe and fatal complex disease. Due to its complex pathogenesis and limitations of clinical treatment strategies, it poses a serious medical challenge and medical burden worldwide. The pathogenesis of AD is not clear, and its potential biological mechanisms include aggregation of soluble amyloid to form insoluble amyloid plaques, abnormal phosphorylation of tau protein and formation of intracellular neurofibrillary tangles (NFT), neuroinflammation, ferroptosis, oxidative stress and metal ion disorders. Among them, ferroptosis is a newly discovered programmed cell death induced by iron-dependent lipid peroxidation and reactive oxygen species. Recent studies have shown that ferroptosis is closely related to AD, but the mechanism remains unclear. It may be induced by iron metabolism, amino acid metabolism and lipid metabolism affecting the accumulation of iron ions. Some iron chelating agents (deferoxamine, deferiprone), chloroiodohydroxyquine and its derivatives, antioxidants (vitamin E, lipoic acid, selenium), chloroiodohydroxyquine and its derivatives Fer-1, tet, etc. have been shown in animal studies to be effective in AD and exert neuroprotective effects. This review summarizes the mechanism of ferroptosis in AD and the regulation of natural plant products on ferroptosis in AD, in order to provide reference information for future research on the development of ferroptosis inhibitors.
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Affiliation(s)
- Da Zhao
- Hunan University of Chinese Medicine, Changsha, China
| | - Kailin Yang
- Hunan University of Chinese Medicine, Changsha, China
| | - Hua Guo
- Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Jinsong Zeng
- The First Hospital of Hunan University of Chinese Medicine, Changsha, Hunan Province, China
| | - Shanshan Wang
- Hunan University of Chinese Medicine, Changsha, China
| | - Hao Xu
- Hunan University of Chinese Medicine, Changsha, China
| | - Anqi Ge
- The First Hospital of Hunan University of Chinese Medicine, Changsha, Hunan Province, China
| | - Liuting Zeng
- Hunan University of Chinese Medicine, Changsha, China
| | - Shaowu Chen
- Hunan University of Chinese Medicine, Changsha, China
| | - Jinwen Ge
- Hunan University of Chinese Medicine, Changsha, China; Hunan Academy of Chinese Medicine, Changsha, China.
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18
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Wang C, Liu H, Xu S, Deng Y, Xu B, Yang T, Liu W. Ferroptosis and Neurodegenerative Diseases: Insights into the Regulatory Roles of SLC7A11. Cell Mol Neurobiol 2023:10.1007/s10571-023-01343-7. [PMID: 36988772 DOI: 10.1007/s10571-023-01343-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2023] [Accepted: 03/22/2023] [Indexed: 03/30/2023]
Abstract
Programed cell death plays a key role in promoting human development and maintaining homeostasis. Ferroptosis is a recently identified pattern of programmed cell death that is closely associated with the onset and progression of neurodegenerative diseases. Ferroptosis is mainly caused by the intracellular accumulation of iron-dependent lipid peroxides. The cysteine/glutamate antibody Solute carrier family 7 member 11 (SLC7A11, also known as xCT) functions to import cysteine for glutathione biosynthesis and antioxidant defense. SLC7A11 has a significant impact on ferroptosis, and inhibition of SLC7A11 expression promotes ferroptosis. Moreover, SLC7A11 is also closely associated with neurodegenerative diseases. In this paper, we summarize the relationship between ferroptosis and neurodegenerative diseases and the role of SLC7A11 during this process. The various regulatory mechanisms of SLC7A11 are also discussed. In conclusion, we are looking forward to a theoretical basis for further understanding the occurrence and development of ferroptosis in SLC7A11 and neurodegenerative diseases, and to seek new clues for the treatment of neurodegenerative diseases.
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Affiliation(s)
- Chen Wang
- Department of Environmental Health, School of Public Health, China Medical University, No. 77 Puhe Road, Shenbei New District, Shenyang, 110122, Liaoning, China
| | - Haihui Liu
- Department of Environmental Health, School of Public Health, China Medical University, No. 77 Puhe Road, Shenbei New District, Shenyang, 110122, Liaoning, China
| | - Si Xu
- Department of Environmental Health, School of Public Health, China Medical University, No. 77 Puhe Road, Shenbei New District, Shenyang, 110122, Liaoning, China
| | - Yu Deng
- Department of Environmental Health, School of Public Health, China Medical University, No. 77 Puhe Road, Shenbei New District, Shenyang, 110122, Liaoning, China
| | - Bin Xu
- Department of Environmental Health, School of Public Health, China Medical University, No. 77 Puhe Road, Shenbei New District, Shenyang, 110122, Liaoning, China
| | - Tianyao Yang
- Department of Environmental Health, School of Public Health, China Medical University, No. 77 Puhe Road, Shenbei New District, Shenyang, 110122, Liaoning, China
| | - Wei Liu
- Department of Environmental Health, School of Public Health, China Medical University, No. 77 Puhe Road, Shenbei New District, Shenyang, 110122, Liaoning, China.
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19
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Kazmi I, Al-Abbasi FA, Afzal M, Shahid Nadeem M, Altayb HN. Sterubin protects against chemically-induced Alzheimer's disease by reducing biomarkers of inflammation- IL-6/ IL-β/ TNF-α and oxidative stress- SOD/MDA in rats. Saudi J Biol Sci 2023; 30:103560. [PMID: 36712184 PMCID: PMC9876951 DOI: 10.1016/j.sjbs.2023.103560] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2022] [Revised: 12/08/2022] [Accepted: 01/08/2023] [Indexed: 01/15/2023] Open
Abstract
Sterubin, a flavanone is an active chemical compound that possesses neuroprotective activity. The current investigation was intended to assess the sterubin effect in scopolamine-activated Alzheimer's disease. The rats were induced with scopolamine (1.5 mg/kg) followed by treatment with sterubin (10 mg/kg) for 14 days. Behavioural analysis was predictable by the Y-maze test and Morris water test. Biochemical variables like nitric oxide acetylcholinesterase, Choline acetyltransferase, antioxidant markers like superoxide dismutase, glutathione transferase, malondialdehyde, catalase, and myeloperoxidase activity, neuroinflammatory markers such as tumor necrosis factor-alpha, nuclear factor kappa B, interferon-gamma, interleukin (IL-1β), and IL-6 were measured. The result stated that sterubin reversed the oxidative stress parameters, increased motor performance, and lowered the inflammatory markers in scopolamine-induced rats. The study demonstrated that sterubin possesses neuroprotective, anti-inflammatory, and antioxidant properties which can be used as a beneficial medication in AD.
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Key Words
- Acetylcholinesterase, AChE
- Alzheimer’s disease
- Alzheimer’s disease, AD
- Catalase, CAT
- Choline acetyltransferase, ChAT
- Morris water maze, MWM
- Myeloperoxidase, MPO
- Neuroinflammatory markers
- Neuroprotective
- Oxidative stress
- Reduced glutathione, GSH
- Scopolamine
- Scopolamine, SCOP
- Sterubin
- acetylcholinesterase, ACh
- interferon, IFN
- interleukin, IL
- reactive oxygen species, ROS
- tumor necrosis factor, TNF
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Affiliation(s)
- Imran Kazmi
- Department of Biochemistry, Faculty of Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia
- Corresponding author.
| | - Fahad A. Al-Abbasi
- Department of Biochemistry, Faculty of Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Muhammad Afzal
- Department of Pharmacology, Himalayan Institute of Pharmacy and Research, Rajawala, Dehradun, Uttarakhand, India
| | - Muhammad Shahid Nadeem
- Department of Biochemistry, Faculty of Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Hisham N. Altayb
- Department of Biochemistry, Faculty of Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia
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20
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Review and Chemoinformatic Analysis of Ferroptosis Modulators with a Focus on Natural Plant Products. MOLECULES (BASEL, SWITZERLAND) 2023; 28:molecules28020475. [PMID: 36677534 PMCID: PMC9862590 DOI: 10.3390/molecules28020475] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/03/2022] [Revised: 12/23/2022] [Accepted: 12/24/2022] [Indexed: 01/06/2023]
Abstract
Ferroptosis is a regular cell death pathway that has been proposed as a suitable therapeutic target in cancer and neurodegenerative diseases. Since its definition in 2012, a few hundred ferroptosis modulators have been reported. Based on a literature search, we collected a set of diverse ferroptosis modulators and analyzed them in terms of their structural features and physicochemical and drug-likeness properties. Ferroptosis modulators are mostly natural products or semisynthetic derivatives. In this review, we focused on the abundant subgroup of polyphenolic modulators, primarily phenylpropanoids. Many natural polyphenolic antioxidants have antiferroptotic activities acting through at least one of the following effects: ROS scavenging and/or iron chelation activities, increased GPX4 and NRF2 expression, and LOX inhibition. Some polyphenols are described as ferroptosis inducers acting through the generation of ROS, intracellular accumulation of iron (II), or the inhibition of GPX4. However, some molecules have a dual mode of action depending on the cell type (cancer versus neural cells) and the (micro)environment. The latter enables their successful use (e.g., apigenin, resveratrol, curcumin, and EGCG) in rationally designed, multifunctional nanoparticles that selectively target cancer cells through ferroptosis induction.
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21
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Liu X, Cui S, Dan C, Li W, Xie H, Li C, Shi L. Phellinus baumii Polyphenol: A Potential Therapeutic Candidate against Lung Cancer Cells. Int J Mol Sci 2022; 23:ijms232416141. [PMID: 36555782 PMCID: PMC9782521 DOI: 10.3390/ijms232416141] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Revised: 12/11/2022] [Accepted: 12/13/2022] [Indexed: 12/23/2022] Open
Abstract
Phellinus baumii, a fungus that grows on mulberry trees and is used in traditional Chinese medicine, exerts therapeutic effects against various diseases, including cancer. Polyphenols, generally considered to be antioxidants, have antitumor and proapoptotic effects. In this study, we identified the composition of Phellinus baumii polyphenol (PBP) and characterized its 17 chemical components by UPLC-ESI-QTOF-MS. Furthermore, to clarify the potential mechanism of PBP against Lung Cancer Cells, network pharmacology and experimental verification were combined. Molecular docking elucidated the binding conformation and mechanism of the primary active components (Osmundacetone and hispidin) to the core targets CASP3, PARP1 and TP53. In addition, potential molecular mechanisms of PBP predicted by network pharmacology analysis were validated in vitro. PBP significantly inhibited the human lung cancer A549 cells and showed typical apoptotic characteristics, without significant cytotoxicity to normal human embryonic kidney (HEK293) cells. Analysis using flow cytometry and western blot indicated that PBP caused apoptosis, cell cycle arrest, reactive oxygen species (ROS) accumulation, and mitochondrial membrane potential (MMP) depression in A549 cells to exercise its antitumor effects. These results reveal that PBP has great potential for use as an active ingredient for antitumor therapy.
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Affiliation(s)
- Xue Liu
- College of Animal Sciences, Zijingang Campus, Zhejiang University, Hangzhou 310058, China
| | - Shiyao Cui
- College of Animal Sciences, Zijingang Campus, Zhejiang University, Hangzhou 310058, China
- College of Life Sciences, Yungu Campus, Westlake University, Hangzhou 310058, China
| | - Caiyun Dan
- College of Animal Sciences, Zijingang Campus, Zhejiang University, Hangzhou 310058, China
| | - Wenle Li
- College of Animal Sciences, Zijingang Campus, Zhejiang University, Hangzhou 310058, China
| | - Hongqing Xie
- College of Animal Sciences, Zijingang Campus, Zhejiang University, Hangzhou 310058, China
| | - Conghui Li
- College of Animal Sciences, Zijingang Campus, Zhejiang University, Hangzhou 310058, China
| | - Liangen Shi
- College of Animal Sciences, Zijingang Campus, Zhejiang University, Hangzhou 310058, China
- Correspondence: ; Tel.: +86-13-0189-47056 or +86-15-3558-15905
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22
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Prasad M K, Mohandas S, Kunka Mohanram R. Role of ferroptosis inhibitors in the management of diabetes. Biofactors 2022; 49:270-296. [PMID: 36468443 DOI: 10.1002/biof.1920] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/08/2022] [Accepted: 11/18/2022] [Indexed: 12/12/2022]
Abstract
Ferroptosis, the iron-dependent, lipid peroxide-mediated cell death, has garnered attention due to its critical involvement in crucial physiological and pathological cellular processes. Indeed, several studies have attributed its role in developing a range of disorders, including diabetes. As accumulating evidence further the understanding of ferroptotic mechanisms, the impact this specialized mode of cell death has on diabetic pathogenesis is still unclear. Several in vivo and in vitro studies have highlighted the association of ferroptosis with beta-cell death and insulin resistance, supported by observations of marked alterations in ferroptotic markers in experimental diabetes models. The constant improvement in understanding ferroptosis in diabetes has demonstrated it as a potential therapeutic target in diabetic management. In this regard, ferroptosis inhibitors promise to rescue pancreatic beta-cell function and alleviate diabetes and its complications. This review article elucidates the key ferroptotic pathways that mediate beta-cell death in diabetes, and its complications. In particular, we share our insight into the cross talk between ferroptosis and other hallmark pathogenic mediators such as oxidative and endoplasmic reticulum stress regulators relevant to diabetes progression. Further, we extensively summarize the recent developments on the role of ferroptosis inhibitors and their therapeutic action in alleviating diabetes and its complications.
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Affiliation(s)
- Krishna Prasad M
- Department of Biotechnology, School of Bioengineering, SRM Institute of Science and Technology, Kattankulathur, Tamil Nadu, India
| | - Sundhar Mohandas
- Department of Biotechnology, School of Bioengineering, SRM Institute of Science and Technology, Kattankulathur, Tamil Nadu, India
| | - Ramkumar Kunka Mohanram
- Department of Biotechnology, School of Bioengineering, SRM Institute of Science and Technology, Kattankulathur, Tamil Nadu, India
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23
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Liang Z, Maher P. Structural Requirements for the Neuroprotective and Anti-Inflammatory Activities of the Flavanone Sterubin. Antioxidants (Basel) 2022; 11:2197. [PMID: 36358569 PMCID: PMC9686938 DOI: 10.3390/antiox11112197] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Revised: 10/31/2022] [Accepted: 11/02/2022] [Indexed: 08/26/2023] Open
Abstract
Alzheimer's disease (AD) is the most frequent age-associated disease with no treatments that can prevent, delay, slow, or stop its progression. Thus, new approaches to drug development are needed. One promising approach is the use of phenotypic screening assays that can identify compounds that have therapeutic efficacy in target pathways relevant to aging and cognition, as well as AD pathology. Using this approach, we identified the flavanone sterubin, from Yerba santa (Eriodictyon californicum), as a potential drug candidate for the treatment of AD. Sterubin is highly protective against multiple initiators of cell death that activate distinct death pathways, potently induces the antioxidant transcription factor Nrf2, and has strong anti-inflammatory activity. Moreover, in a short-term model of AD, it was able to prevent decreases in short- and long-term memory. In order to better understand which key chemical functional groups are essential to the beneficial effects of sterubin, we compared the activity of sterubin to that of seven closely related flavonoids in our phenotypic screening assays. Surprisingly, only sterubin showed both potent neuroprotective activity against multiple insults as well as strong anti-inflammatory activity against several distinct inducers of inflammation. These effects correlated directly with the ability of sterubin to strongly induce Nrf2 in both nerve and microglial cells. Together, these results define the structural requirements underlying the neuroprotective and anti-inflammatory effects of sterubin and they provide the basis for future studies on new compounds based on sterubin.
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Affiliation(s)
| | - Pamela Maher
- Cellular Neurobiology Laboratory, Salk Institute for Biological Studies, 10010 North Torrey Pines Road, San Diego, CA 92037, USA
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24
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Hassan SSU, Samanta S, Dash R, Karpiński TM, Habibi E, Sadiq A, Ahmadi A, Bungau S. The neuroprotective effects of fisetin, a natural flavonoid in neurodegenerative diseases: Focus on the role of oxidative stress. Front Pharmacol 2022; 13:1015835. [PMID: 36299900 PMCID: PMC9589363 DOI: 10.3389/fphar.2022.1015835] [Citation(s) in RCA: 33] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Accepted: 09/08/2022] [Indexed: 12/13/2022] Open
Abstract
Oxidative stress (OS) disrupts the chemical integrity of macromolecules and increases the risk of neurodegenerative diseases. Fisetin is a flavonoid that exhibits potent antioxidant properties and protects the cells against OS. We have viewed the NCBI database, PubMed, Science Direct (Elsevier), Springer-Nature, ResearchGate, and Google Scholar databases to search and collect relevant articles during the preparation of this review. The search keywords are OS, neurodegenerative diseases, fisetin, etc. High level of ROS in the brain tissue decreases ATP levels, and mitochondrial membrane potential and induces lipid peroxidation, chronic inflammation, DNA damage, and apoptosis. The subsequent results are various neuronal diseases. Fisetin is a polyphenolic compound, commonly present in dietary ingredients. The antioxidant properties of this flavonoid diminish oxidative stress, ROS production, neurotoxicity, neuro-inflammation, and neurological disorders. Moreover, it maintains the redox profiles, and mitochondrial functions and inhibits NO production. At the molecular level, fisetin regulates the activity of PI3K/Akt, Nrf2, NF-κB, protein kinase C, and MAPK pathways to prevent OS, inflammatory response, and cytotoxicity. The antioxidant properties of fisetin protect the neural cells from inflammation and apoptotic degeneration. Thus, it can be used in the prevention of neurodegenerative disorders.
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Affiliation(s)
- Syed Shams ul Hassan
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, School of Pharmacy, Shanghai Jiao Tong University, Shanghai, China
- Department of Natural Product Chemistry, School of Pharmacy, Shanghai Jiao Tong University, Shanghai, China
| | - Saptadip Samanta
- Department of Physiology, Midnapore College, Midnapore, West Bengal, India
| | - Raju Dash
- Department of Anatomy, Dongguk University College of Medicine, Gyeongju, South Korea
| | - Tomasz M. Karpiński
- Department of Medical Microbiology, Poznań University of Medical Sciences, Poznań, Poland
| | - Emran Habibi
- Department of Pharmacognosy, Faculty of Pharmacy, Mazandaran University of Medical Sciences, Sari, Iran
| | - Abdul Sadiq
- Department of Pharmacy, University of Malakand, Chakdara, Pakistan
| | - Amirhossein Ahmadi
- Pharmaceutical Sciences Research Centre, Faculty of Pharmacy, Mazandaran University of Medical Sciences, Sari, Iran
| | - Simona Bungau
- Department of Pharmacy, Faculty of Medicine and Pharmacy, University of Oradea, Oradea, Romania
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25
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Antioxidant Activity and Reactive Oxygen Species (ROS) Scavenging Mechanism of Eriodictyon californium, an Edible Herb of North America. J CHEM-NY 2022. [DOI: 10.1155/2022/6980121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Modern life associated with processed food, exposure to a wide range of pollutants, physical inactivity, unprecedented time, excessive involvement of technology in our lives, and so on give rise to oxidative stress which threatens our physical and mental health. Because of rising healthcare costs and mistrust of conventional medicine, mankind is looking for alternatives to over-the-counter medications and prescription drugs, which is driving the demand for nutraceuticals across the globe. Antioxidant-rich plant-based natural products could be an important source of nutraceuticals to boost endogenous antioxidant levels. In this research, we uncovered the antioxidant potential of Eriodictyon californicum, an herb used by Native Americans for centuries to treat a wide range of ailments. The ethanolic leaf extract of E. californicum was studied for its phytochemical constituents, antioxidant potential, and free radical scavenging activity. Phytochemical analysis revealed the presence of flavonoids, saponins, phenols, tannins, terpenoids, cardiac glycosides, and steroids. The abundance of total phenol (78.58 ± 0.016 μg GAE/mg) and flavonoid content (6.76 ± 0.003 μg QE/mg) and the strong reducing activity in the FRAP assay indicated the antioxidant potential of the leaves. Free radical scavenging activity was confirmed by a dose-dependent response on the DPPH assay (IC50 0.071 mg/mL). Since reactive oxygen species are the main culprits for causing oxidative stress in our body, studying the effect of plant extracts on superoxide, hydrogen peroxide, and hydroxyl radicals found that it has the ability to neutralize all three. IC50 was found to be 0.083 mg/mL for superoxide radicals, 0.033 mg/mL for hydrogen peroxide, and 0.080 mg/mL for hydroxyl radicals. Herein, we report that E. californicum is a potential source of bioactive components with strong radical scavenging activity. This holy herb could serve as a healing agent against oxidative stress and holds promise for the development of nutraceuticals.
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Thitikornpong W, Jithavech P, Thompho S, Punpreuk Y, Halim H, Sritularak B, Rojsitthisak P. Development and validation of a simple, sensitive and reproducible method for simultaneous determination of six polyphenolic bioactive markers in Dendrobium plants. ARAB J CHEM 2022. [DOI: 10.1016/j.arabjc.2022.104038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022] Open
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27
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Hofmann J, Spatz P, Walther R, Gutmann M, Maurice T, Decker M. Synthesis and Biological Evaluation of Flavonoid‐Cinnamic Acid Amide Hybrids with Distinct Activity against Neurodegeneration in Vitro and in Vivo. Chemistry 2022; 28:e202200786. [PMID: 35621167 PMCID: PMC9400986 DOI: 10.1002/chem.202200786] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Indexed: 11/10/2022]
Abstract
Flavonoids are polyphenolic natural products and have shown significant potential as disease‐modifying agents against neurodegenerative disorders like Alzheimer's disease (AD), with activities even in vivo. Hybridization of the natural products taxifolin and silibinin with cinnamic acid led to an overadditive effect of these compounds in several phenotypic screening assays related to neurodegeneration and AD. Therefore, we have exchanged the flavonoid part of the hybrids with different flavonoids, which show higher efficacy than taxifolin or silibinin, to improve the activity of the respective hybrids. Chemical connection between the flavonoid and cinnamic acid was realized by an amide instead of a labile ester bond to improve stability towards hydrolysis. To investigate the influence of a double bond at the C‐ring of the flavonoid, the dehydro analogues of the respective hybrids were also synthesized. All compounds obtained show neuroprotection against oxytosis, ferroptosis and ATP‐depletion, respectively, in the murine hippocampal cell line HT22. Interestingly, the taxifolin and the quercetin derivatives are the most active compounds, whereby the quercetin derivate shows even more pronounced activity than the taxifolin one in all assays applied. As aimed for, no hydrolysis product was found in cellular uptake experiments after 4 h whereas different metabolites were detected. Furthermore, the quercetin‐cinnamic acid amide showed pronounced activity in an in vivo AD mouse model at a remarkably low dose of 0.3 mg/kg.
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Affiliation(s)
- Julian Hofmann
- Pharmaceutical and Medicinal Chemistry Institute of Pharmacy and Food Chemistry University of Würzburg Am Hubland 97074 Würzburg Germany
| | - Philipp Spatz
- Pharmaceutical and Medicinal Chemistry Institute of Pharmacy and Food Chemistry University of Würzburg Am Hubland 97074 Würzburg Germany
| | - Rasmus Walther
- Pharmaceutical and Medicinal Chemistry Institute of Pharmacy and Food Chemistry University of Würzburg Am Hubland 97074 Würzburg Germany
| | - Marcus Gutmann
- Drug Formulation and Delivery Institute of Pharmacy and Food Chemistry University of Würzburg Am Hubland 97074 Würzburg Germany
| | - Tangui Maurice
- MMDN University of Montpellier, EPHE, INSERM 34095 Montpellier France
| | - Michael Decker
- Pharmaceutical and Medicinal Chemistry Institute of Pharmacy and Food Chemistry University of Würzburg Am Hubland 97074 Würzburg Germany
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28
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Ge C, Zhang S, Mu H, Zheng S, Tan Z, Huang X, Xu C, Zou J, Zhu Y, Feng D, Aa J. Emerging Mechanisms and Disease Implications of Ferroptosis: Potential Applications of Natural Products. Front Cell Dev Biol 2022; 9:774957. [PMID: 35118067 PMCID: PMC8804219 DOI: 10.3389/fcell.2021.774957] [Citation(s) in RCA: 31] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2021] [Accepted: 12/09/2021] [Indexed: 01/09/2023] Open
Abstract
Ferroptosis, a newly discovered form of regulatory cell death (RCD), has been demonstrated to be distinct from other types of RCD, such as apoptosis, necroptosis, and autophagy. Ferroptosis is characterized by iron-dependent lipid peroxidation and oxidative perturbation, and is inhibited by iron chelators and lipophilic antioxidants. This process is regulated by specific pathways and is implicated in diverse biological contexts, mainly including iron homeostasis, lipid metabolism, and glutathione metabolism. A large body of evidence suggests that ferroptosis is interrelated with various physiological and pathological processes, including tumor progression (neuro)degenerative diseases, and hepatic and renal failure. There is an urgent need for the discovery of novel effective ferroptosis-modulating compounds, even though some experimental reagents and approved clinical drugs have been well documented to have anti- or pro-ferroptotic properties. This review outlines recent advances in molecular mechanisms of the ferroptotic death process and discusses its multiple roles in diverse pathophysiological contexts. Furthermore, we summarize chemical compounds and natural products, that act as inducers or inhibitors of ferroptosis in the prevention and treatment of various diseases. Herein, it is particularly highlighted that natural products show promising prospects in ferroptosis-associated (adjuvant) therapy with unique advantages of having multiple components, multiple biotargets and slight side effects.
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Affiliation(s)
- Chun Ge
- Department of Pharmacy, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
- Department of Clinical Pharmacy, School of Basic Medicine & Clinical Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Sujie Zhang
- Department of Pharmacy, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
- Department of Clinical Pharmacy, School of Basic Medicine & Clinical Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Huiwen Mu
- Department of Pharmacy, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
- Department of Clinical Pharmacy, School of Basic Medicine & Clinical Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Shaojun Zheng
- Department of Pharmacy, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
- Department of Clinical Pharmacy, School of Basic Medicine & Clinical Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Zhaoyi Tan
- Key Laboratory of Drug Metabolism and Pharmacokinetics, State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, China
| | - Xintong Huang
- Department of Pharmacy, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
- Department of Clinical Pharmacy, School of Basic Medicine & Clinical Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Chen Xu
- Key Laboratory of Drug Metabolism and Pharmacokinetics, State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, China
| | - Jianjun Zou
- Department of Clinical Pharmacy, School of Basic Medicine & Clinical Pharmacy, China Pharmaceutical University, Nanjing, China
- Department of Clinical Pharmacology, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
| | - Yubing Zhu
- Department of Pharmacy, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
- Department of Clinical Pharmacy, School of Basic Medicine & Clinical Pharmacy, China Pharmaceutical University, Nanjing, China
- *Correspondence: Yubing Zhu, ; Dong Feng, ; Jiye Aa,
| | - Dong Feng
- Key Laboratory of Drug Metabolism and Pharmacokinetics, State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, China
- Nanjing Southern Pharmaceutical Technology Co., Ltd., Nanjing, China
- *Correspondence: Yubing Zhu, ; Dong Feng, ; Jiye Aa,
| | - Jiye Aa
- Key Laboratory of Drug Metabolism and Pharmacokinetics, State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, China
- *Correspondence: Yubing Zhu, ; Dong Feng, ; Jiye Aa,
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29
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Can Polyphenols Inhibit Ferroptosis? Antioxidants (Basel) 2022; 11:antiox11010150. [PMID: 35052654 PMCID: PMC8772735 DOI: 10.3390/antiox11010150] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Revised: 01/09/2022] [Accepted: 01/10/2022] [Indexed: 02/07/2023] Open
Abstract
Polyphenols, a diverse group of naturally occurring molecules commonly found in higher plants, have been heavily investigated over the last two decades due to their potent biological activities—among which the most important are their antioxidant, antimicrobial, anticancer, anti-inflammatory and neuroprotective activities. A common route of polyphenol intake in humans is through the diet. Since they are subjected to excessive metabolism in vivo it has been questioned whether their much-proven in vitro bioactivity could be translated to in vivo systems. Ferroptosis is a newly introduced, iron-dependent, regulated mode of oxidative cell death, characterized by increased lipid peroxidation and the accumulation of toxic lipid peroxides, which are considered to be toxic reactive oxygen species. There is a growing body of evidence that ferroptosis is involved in the development of almost all chronic diseases. Thus, ferroptosis is considered a new therapeutic target for offsetting many diseases, and researchers are putting great expectations on this field of research and medicine. The aim of this review is to critically analyse the potential of polyphenols to modulate ferroptosis and whether they can be considered promising compounds for the alleviation of chronic conditions.
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30
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Tang JJ, Huang LF, Deng JL, Wang YM, Guo C, Peng XN, Liu Z, Gao JM. Cognitive enhancement and neuroprotective effects of OABL, a sesquiterpene lactone in 5xFAD Alzheimer's disease mice model. Redox Biol 2022; 50:102229. [PMID: 35026701 PMCID: PMC8760418 DOI: 10.1016/j.redox.2022.102229] [Citation(s) in RCA: 40] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Revised: 12/30/2021] [Accepted: 01/05/2022] [Indexed: 12/13/2022] Open
Abstract
Alzheimer's disease (AD) is a neurodegenerative disease in which oxidative stress and neuroinflammation were demonstrated to be associated with neuronal loss and cognitive deficits. However, there are still no specific treatments that can prevent the progression of AD. In this study, a screening of anti-inflammatory hits from 4207 natural compounds of two different molecular libraries indicated 1,6-O,O-diacetylbritannilactone (OABL), a 1,10-seco-eudesmane sesquiterpene lactone isolated from the herb Inula britannica L., exhibited strong anti-inflammatory activity in vitro as well as favorable BBB penetration property. OABL reduced LPS-induced neuroinflammation in BV-2 microglial cells as assessed by effects on the levels of inflammatory mediators including NO, PGE2, TNF-α, iNOS, and COX-2, as well as the translocation of NF-κB. Besides, OABL also exhibited pronounced neuroprotective effects against oxytosis and ferroptosis in the rat pheochromocytoma PC12 cell line. For in vivo research, OABL (20 mg/kg B.W., i.p.) for 21 d attenuated the impairments in cognitive function observed in 6-month-old 5xFAD mice, as assessed with the Morris water maze test. OABL restored neuronal damage and postsynaptic density protein 95 (PSD95) expression in the hippocampus. OABL also significantly reduced the accumulation of amyloid plaques, the Aβ expression, the phosphorylation of Tau protein, and the expression of BACE1 in AD mice brain. In addition, OABL attenuated the overactivation of microglia and astrocytes by suppressing the expressions of inflammatory cytokines, and increased glutathione (GSH) and reduced malondialdehyde (MDA) and super oxide dismutase (SOD) levels in the 5xFAD mice brain. In conclusion, these results highlight the beneficial effects of the natural product OABL as a novel treatment with potential application for drug discovery in AD due to its pharmacological profile.
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Affiliation(s)
- Jiang-Jiang Tang
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry & Pharmacy, Northwest A&F University, Yangling, 712100, Shaanxi, PR China.
| | - Lan-Fang Huang
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry & Pharmacy, Northwest A&F University, Yangling, 712100, Shaanxi, PR China
| | - Jia-Le Deng
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry & Pharmacy, Northwest A&F University, Yangling, 712100, Shaanxi, PR China
| | - Yi-Meng Wang
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry & Pharmacy, Northwest A&F University, Yangling, 712100, Shaanxi, PR China
| | - Cong Guo
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry & Pharmacy, Northwest A&F University, Yangling, 712100, Shaanxi, PR China
| | - Xiao-Na Peng
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry & Pharmacy, Northwest A&F University, Yangling, 712100, Shaanxi, PR China
| | - Zhigang Liu
- Laboratory of Functional Chemistry and Nutrition of Food, College of Food Science and Engineering, Northwest A&F University, Yangling, 712100, Shaanxi, PR China.
| | - Jin-Ming Gao
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry & Pharmacy, Northwest A&F University, Yangling, 712100, Shaanxi, PR China.
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31
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Rosarda J, Baron KR, Nutsch K, Kline GM, Stanton C, Kelly JW, Bollong MJ, Wiseman RL. Metabolically Activated Proteostasis Regulators Protect against Glutamate Toxicity by Activating NRF2. ACS Chem Biol 2021; 16:2852-2863. [PMID: 34797633 PMCID: PMC8689639 DOI: 10.1021/acschembio.1c00810] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2021] [Accepted: 10/29/2021] [Indexed: 12/11/2022]
Abstract
The extracellular accumulation of glutamate is a pathologic hallmark of numerous neurodegenerative diseases including ischemic stroke and Alzheimer's disease. At high extracellular concentrations, glutamate causes neuronal damage by promoting oxidative stress, which can lead to cellular death. This has led to significant interest in developing pharmacologic approaches to mitigate the oxidative toxicity caused by high levels of glutamate. Here, we show that the small molecule proteostasis regulator AA147 protects against glutamate-induced cell death in a neuronal-derived cell culture model. While originally developed as an activator of the activating transcription factor 6 (ATF6) arm of the unfolded protein response, this AA147-dependent protection against glutamate toxicity is primarily mediated through activation of the NRF2-regulated oxidative stress response. We demonstrate that AA147 activates NRF2 selectively in neuronal-derived cells through a mechanism involving metabolic activation to a reactive electrophile and covalent modification of KEAP1─a mechanism analogous to that involved in the AA147-dependent activation of ATF6. These results define the potential for AA147 to protect against glutamate-induced oxidative toxicity and highlight the potential for metabolically activated proteostasis regulators like AA147 to activate both protective ATF6 and NRF2 stress-responsive signaling pathways to mitigate oxidative damage associated with diverse neurologic diseases.
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Affiliation(s)
- Jessica
D. Rosarda
- Department
of Molecular Medicine, The Scripps Research
Institute, La Jolla, California 92037, United States
| | - Kelsey R. Baron
- Department
of Molecular Medicine, The Scripps Research
Institute, La Jolla, California 92037, United States
| | - Kayla Nutsch
- Department
of Chemistry, The Scripps Research Institute, La Jolla, California 92037, United States
| | - Gabriel M. Kline
- Department
of Chemistry, The Scripps Research Institute, La Jolla, California 92037, United States
- The
Skaggs Institute for Chemical Biology, The
Scripps Research Institute, La
Jolla, California 92037, United States
| | - Caroline Stanton
- Department
of Molecular Medicine, The Scripps Research
Institute, La Jolla, California 92037, United States
- Department
of Chemistry, The Scripps Research Institute, La Jolla, California 92037, United States
| | - Jeffery W. Kelly
- Department
of Chemistry, The Scripps Research Institute, La Jolla, California 92037, United States
- The
Skaggs Institute for Chemical Biology, The
Scripps Research Institute, La
Jolla, California 92037, United States
| | - Michael J. Bollong
- Department
of Chemistry, The Scripps Research Institute, La Jolla, California 92037, United States
| | - R. Luke Wiseman
- Department
of Molecular Medicine, The Scripps Research
Institute, La Jolla, California 92037, United States
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32
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The Regulatory Effects and the Signaling Pathways of Natural Bioactive Compounds on Ferroptosis. Foods 2021; 10:foods10122952. [PMID: 34945503 PMCID: PMC8700948 DOI: 10.3390/foods10122952] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2021] [Revised: 11/19/2021] [Accepted: 11/22/2021] [Indexed: 12/15/2022] Open
Abstract
Natural bioactive compounds abundantly presented in foods and medicinal plants have recently received a remarkable attention because of their various biological activities and minimal toxicity. In recent years, many natural compounds appear to offer significant effects in the regulation of ferroptosis. Ferroptosis is the forefront of international scientific research which has been exponential growth since the term was coined. This type of regulated cell death is driven by iron-dependent phospholipid peroxidation. Recent studies have shown that numerous organ injuries and pathophysiological processes of many diseases are driven by ferroptosis, such as cancer, arteriosclerosis, neurodegenerative disease, diabetes, ischemia-reperfusion injury and acute renal failure. It is reported that the initiation and inhibition of ferroptosis plays a pivotal role in lipid peroxidation, organ damage, neurodegeneration and cancer growth and progression. Recently, many natural phytochemicals extracted from edible plants have been demonstrated to be novel ferroptosis regulators and have the potential to treat ferroptosis-related diseases. This review provides an updated overview on the role of natural bioactive compounds and the potential signaling pathways in the regulation of ferroptosis.
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Scalp Acupuncture Protects Against Neuronal Ferroptosis by Activating The p62-Keap1-Nrf2 Pathway in Rat Models of Intracranial Haemorrhage. J Mol Neurosci 2021; 72:82-96. [PMID: 34405366 PMCID: PMC8755669 DOI: 10.1007/s12031-021-01890-y] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2021] [Accepted: 07/11/2021] [Indexed: 02/08/2023]
Abstract
Intracerebral haemorrhage (ICH) can be a catastrophic event; even if the initial stages of the pathology were well-managed, a number of patients experience varied residual neurological deficits following the insult. Ferroptosis is a recently identified type of cell demise which is tightly linked to the neurological impairment associated with ICH. In the current work, the prophylactic impact of scalp acupuncture (SA) therapy on autologous blood injection murine models of ICH was investigated in order to establish whether SA could mitigate the secondary damage arising following ICH by moderating ferroptosis. The pathophysiological mechanisms associated with this process were also explored. Ludmila Belayev tests were utilised for the characterisation of neurological damage. Haematoxylin–eosin staining was employed in order to determine the cerebral impact of the induced ICH. Malondialdehyde (MDA) and iron titres in peri-haemorrhagic cerebral tissues were appraised using purchased assay kits. Transmission electron microscopy delineated mitochondrial appearances within nerve cell bodies from the area of haemorrhage. Western blotting techniques were utilised to assay the degree of protein expression of NeuN, sequestosome 1 (p62), nuclear factor erythroid 2-related factor 2 (Nrf2), Kelch-like ECH-associated protein 1 (Keap1), glutathione peroxidase 4 (GPX4) and ferritin heavy chain 1 (FTH1). The frequencies of Nrf2, GPX4 and FTH1 positive cells, respectively, were documented with immunohistochemical staining. The results demonstrated that therapy with SA after ICH mitigated MDA and iron sequestration, diminished the appearance of contracted mitochondria with increased outer mitochondrial membrane diameter within the nerve cell bodies, and suppressed neuronal ferroptosis. The pathways responsible for these effects may encompass amplified p62, Nrf2, GPX4 and FTH1 expression, together with decreased Keap1 expression. Application of SA reduced identified neurobehavioural abnormalities after ICH; no disparities were observed between the consequences of SA therapy and deferoxamine delivery. It can be surmised that intervention with SA enhanced recovery after ICH by triggering the antioxidant pathway, p62/Keap1/Nrf2, and causing FTH1 and GPX4 upregulation, factors that participate in diminishing excess iron and thus in mitigating lipid peroxidation insults arising from ferroptosis following ICH.
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Mödinger Y, Schön C, Wilhelm M, Pickel C, Grothe T. A Food Supplement with Antioxidative Santa Herba Extract Modulates Energy Metabolism and Contributes to Weight Management. J Med Food 2021; 24:1235-1242. [PMID: 34255555 DOI: 10.1089/jmf.2021.0016] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
The plant Santa herba (Eriodictyon californicum) contains high flavonoids, thus potentially exerting beneficial effects in context of obesity, often accompanied by inflammation and metabolic imbalance. The study assessed the impact of Santa herba on oxidative stress, energy metabolism, weight reduction, and eating behavior, combining in vitro models with clinical data. Santa herba binding of the adenosine receptor A2A (ADORA2A) was assessed using a radioligand binding assay. A Caenorhabditis elegans model was used to determine mobility boosting effects, and Santa herba oxygen radical absorbance capacity (ORAC) values were determined in comparison to antioxidative plants. Clinical data, that is, body weight and appetite-related parameters, were obtained from overweight and obese women receiving either Santa herba or placebo for 12 weeks. Results showed that Santa herba extract binds to ADORA2A, stimulates C. elegans motility (+7.5%) and locomotion, and yields high antioxidative capacities (ORAC: 819 trolox equivalent). Clinical data, obtained from 24 overweight and 25 obese women (mean: 47.5 years), demonstrated a reduced body weight (P = .042) and body fat (P = .044), and by trend reduced leptin levels (P = .065) in women with obesity after Santa herba consumption compared to placebo. In conclusion, Santa herba extract has energizing and antioxidative properties and may aid in weight management of people with obesity. ClinicalTrials.gov Identifier: NCT03853603.
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Affiliation(s)
| | | | - Manfred Wilhelm
- Department of Mathematics, Natural and Economic Sciences, Ulm University of Applied Sciences, Baden-Württemberg, Germany
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35
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Soriano-Castell D, Liang Z, Maher P, Currais A. The search for anti-oxytotic/ferroptotic compounds in the plant world. Br J Pharmacol 2021; 178:3611-3626. [PMID: 33931859 DOI: 10.1111/bph.15517] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Revised: 04/13/2021] [Accepted: 04/20/2021] [Indexed: 12/23/2022] Open
Abstract
Oxytosis/ferroptosis is a form of non-apoptotic regulated cell death characterized by glutathione (GSH) depletion and dysregulated production of mitochondrial ROS that results in lethal lipid peroxidation. As the significance of oxytosis/ferroptosis to age-associated human diseases is now beginning to be appreciated, the development of innovative approaches to identify novel therapeutics that target the oxytosis/ferroptosis pathway could not be more timely. Due to their sessile nature, plants are exposed to a variety of stresses that trigger physiological changes similar to those found in oxytosis/ferroptosis. As such, they have evolved a rich array of chemical strategies to deal with those challenging conditions. This review details a drug discovery approach for identifying potent inhibitors of oxytosis/ferroptosis from plants for the treatment of Alzheimer's disease and related dementias, thereby highlighting the tremendous potential of plant-based research for developing new medicines while simultaneously being a catalyst for sustainability.
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Affiliation(s)
- David Soriano-Castell
- Cellular Neurobiology Laboratory, The Salk Institute for Biological Studies, La Jolla, California, USA
| | - Zhibin Liang
- Cellular Neurobiology Laboratory, The Salk Institute for Biological Studies, La Jolla, California, USA
| | - Pamela Maher
- Cellular Neurobiology Laboratory, The Salk Institute for Biological Studies, La Jolla, California, USA
| | - Antonio Currais
- Cellular Neurobiology Laboratory, The Salk Institute for Biological Studies, La Jolla, California, USA
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36
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Vitalakumar D, Sharma A, Flora SJS. Ferroptosis: A potential therapeutic target for neurodegenerative diseases. J Biochem Mol Toxicol 2021; 35:e22830. [PMID: 34047408 DOI: 10.1002/jbt.22830] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Revised: 03/25/2021] [Accepted: 05/18/2021] [Indexed: 12/23/2022]
Abstract
Ferroptosis is a newly identified regulated form of cell death, which is thought to play a major role in neurodegenerative diseases. In this review, we discuss recent studies elucidating the molecular mechanisms involved in the regulation and execution of ferroptotic cell death and also its role in the brain. Ferroptosis is regulated mainly via iron homeostasis, glutathione metabolism, and lipid peroxidation. Ferroptotic cell death and pro-ferroptotic factors are correlated with the etiopathogenesis of Parkinson's disease (PD) and Alzheimer's disease (AD). Ferroptosis and etiological factors act synergistically in PD and AD pathogenesis. Furthermore, several preclinical and clinical studies targeting ferroptosis in PD and AD have also shown positive results. Evidence of ferroptosis in the brain thus gives new insights into understanding neurodegenerative diseases. Ferroptosis studies in the brain are still in their infancy, but the existing pieces of evidence suggest a strong correlation between ferroptotic cell death and neurodegenerative diseases. Thus, ferroptosis might be a promising target for treating neurodegenerative diseases.
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Affiliation(s)
- D Vitalakumar
- Department of Biotechnology, Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research-Raebareli, Lucknow, India
| | - Ankita Sharma
- Department of Biotechnology, Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research-Raebareli, Lucknow, India
| | - Swaran J S Flora
- Department of Biotechnology, Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research-Raebareli, Lucknow, India
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37
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Jankowska A, Satała G, Bojarski AJ, Pawłowski M, Chłoń-Rzepa G. Multifunctional Ligands with Glycogen Synthase Kinase 3 Inhibitory Activity as a New Direction in Drug Research for Alzheimer's Disease. Curr Med Chem 2021; 28:1731-1745. [PMID: 32338201 DOI: 10.2174/0929867327666200427100453] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2019] [Revised: 04/09/2020] [Accepted: 04/10/2020] [Indexed: 11/22/2022]
Abstract
Alzheimer's disease (AD) belongs to the most common forms of dementia that causes a progressive loss of brain cells and leads to memory impairment and decline of other thinking skills. There is yet no effective treatment for AD; hence, the search for new drugs that could improve memory and other cognitive functions is one of the hot research topics worldwide. Scientific efforts are also directed toward combating behavioral and psychological symptoms of dementia, which are an integral part of the disease. Several studies have indicated that glycogen synthase kinase 3 beta (GSK3β) plays a crucial role in the pathogenesis of AD. Moreover, GSK3β inhibition provided beneficial effects on memory improvement in multiple animal models of AD. The present review aimed to update the most recent reports on the discovery of novel multifunctional ligands with GSK3β inhibitory activity as potential drugs for the symptomatic and disease-modifying therapy of AD. Compounds with GSK3β inhibitory activity seem to be an effective pharmacological approach for treating the causes and symptoms of AD as they reduced neuroinflammation and pathological hallmarks in animal models of AD and provided relief from cognitive and neuropsychiatric symptoms. These compounds have the potential to be used as drugs for the treatment of AD, but their precise pharmacological, pharmacokinetic, toxicological and clinical profiles need to be defined.
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Affiliation(s)
- Agnieszka Jankowska
- Jagiellonian University Medical College, Faculty of Pharmacy, Department of Medicinal Chemistry, 9 Medyczna Street, 30-688 Krakow, Poland
| | - Grzegorz Satała
- Department of Medicinal Chemistry, Maj Institute of Pharmacology, Polish Academy of Sciences, 12 Smetna Street, 31-343 Krakow, Poland
| | - Andrzej J Bojarski
- Department of Medicinal Chemistry, Maj Institute of Pharmacology, Polish Academy of Sciences, 12 Smetna Street, 31-343 Krakow, Poland
| | - Maciej Pawłowski
- Jagiellonian University Medical College, Faculty of Pharmacy, Department of Medicinal Chemistry, 9 Medyczna Street, 30-688 Krakow, Poland
| | - GraŻyna Chłoń-Rzepa
- Jagiellonian University Medical College, Faculty of Pharmacy, Department of Medicinal Chemistry, 9 Medyczna Street, 30-688 Krakow, Poland
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38
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Liang Z, Currais A, Soriano-Castell D, Schubert D, Maher P. Natural products targeting mitochondria: emerging therapeutics for age-associated neurological disorders. Pharmacol Ther 2021; 221:107749. [PMID: 33227325 PMCID: PMC8084865 DOI: 10.1016/j.pharmthera.2020.107749] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Revised: 11/16/2020] [Accepted: 11/17/2020] [Indexed: 12/17/2022]
Abstract
Mitochondria are the primary source of energy production in the brain thereby supporting most of its activity. However, mitochondria become inefficient and dysfunctional with age and to a greater extent in neurological disorders. Thus, mitochondria represent an emerging drug target for many age-associated neurological disorders. This review summarizes recent advances (covering from 2010 to May 2020) in the use of natural products from plant, animal, and microbial sources as potential neuroprotective agents to restore mitochondrial function. Natural products from diverse classes of chemical structures are discussed and organized according to their mechanism of action on mitochondria in terms of modulation of biogenesis, dynamics, bioenergetics, calcium homeostasis, and membrane potential, as well as inhibition of the oxytosis/ferroptosis pathway. This analysis emphasizes the significant value of natural products for mitochondrial pharmacology as well as the opportunities and challenges for the discovery and development of future neurotherapeutics.
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Affiliation(s)
- Zhibin Liang
- Cellular Neurobiology Laboratory, The Salk Institute for Biological Studies, 10010 North Torrey Pines Road, La Jolla, California 92037, United States; The Paul F. Glenn Center for Biology of Aging Research, The Salk Institute for Biological Studies, 10010 North Torrey Pines Road, La Jolla, California 92037, United States.
| | - Antonio Currais
- Cellular Neurobiology Laboratory, The Salk Institute for Biological Studies, 10010 North Torrey Pines Road, La Jolla, California 92037, United States
| | - David Soriano-Castell
- Cellular Neurobiology Laboratory, The Salk Institute for Biological Studies, 10010 North Torrey Pines Road, La Jolla, California 92037, United States
| | - David Schubert
- Cellular Neurobiology Laboratory, The Salk Institute for Biological Studies, 10010 North Torrey Pines Road, La Jolla, California 92037, United States; The Paul F. Glenn Center for Biology of Aging Research, The Salk Institute for Biological Studies, 10010 North Torrey Pines Road, La Jolla, California 92037, United States
| | - Pamela Maher
- Cellular Neurobiology Laboratory, The Salk Institute for Biological Studies, 10010 North Torrey Pines Road, La Jolla, California 92037, United States.
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Hofmann J, Ginex T, Espargaró A, Scheiner M, Gunesch S, Aragó M, Stigloher C, Sabaté R, Luque FJ, Decker M. Azobioisosteres of Curcumin with Pronounced Activity against Amyloid Aggregation, Intracellular Oxidative Stress, and Neuroinflammation. Chemistry 2021; 27:6015-6027. [PMID: 33666306 PMCID: PMC8048673 DOI: 10.1002/chem.202005263] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Revised: 01/14/2021] [Indexed: 01/01/2023]
Abstract
Many (poly-)phenolic natural products, for example, curcumin and taxifolin, have been studied for their activity against specific hallmarks of neurodegeneration, such as amyloid-β 42 (Aβ42) aggregation and neuroinflammation. Due to their drawbacks, arising from poor pharmacokinetics, rapid metabolism, and even instability in aqueous medium, the biological activity of azobenzene compounds carrying a pharmacophoric catechol group, which have been designed as bioisoteres of curcumin has been examined. Molecular simulations reveal the ability of these compounds to form a hydrophobic cluster with Aβ42, which adopts different folds, affecting the propensity to populate fibril-like conformations. Furthermore, the curcumin bioisosteres exceeded the parent compound in activity against Aβ42 aggregation inhibition, glutamate-induced intracellular oxidative stress in HT22 cells, and neuroinflammation in microglial BV-2 cells. The most active compound prevented apoptosis of HT22 cells at a concentration of 2.5 μm (83 % cell survival), whereas curcumin only showed very low protection at 10 μm (21 % cell survival).
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Affiliation(s)
- Julian Hofmann
- Pharmaceutical and Medicinal ChemistryInstitute of, Pharmacy and Food ChemistryUniversity of WürzburgAm Hubland97074WürzburgGermany
| | - Tiziana Ginex
- Department of Nutrition Food Science and GastronomyFaculty of Pharmacy, Institute of Theoretical and Computational, Chemistry and Institute of Biomedicine, Campus TorriberaUniversity of BarcelonaSanta Coloma de Gramenet08921Spain
| | - Alba Espargaró
- Pharmacy and Pharmaceutical Technology and Physical-ChemistrySchool of Pharmacy Institute of Nanoscience and Nanotechnology, (IN2UB)University of Barcelona08028BarcelonaSpain
| | - Matthias Scheiner
- Pharmaceutical and Medicinal ChemistryInstitute of, Pharmacy and Food ChemistryUniversity of WürzburgAm Hubland97074WürzburgGermany
| | - Sandra Gunesch
- Pharmaceutical and Medicinal ChemistryInstitute of, Pharmacy and Food ChemistryUniversity of WürzburgAm Hubland97074WürzburgGermany
| | - Marc Aragó
- Department of Nutrition Food Science and GastronomyFaculty of Pharmacy, Institute of Theoretical and Computational, Chemistry and Institute of Biomedicine, Campus TorriberaUniversity of BarcelonaSanta Coloma de Gramenet08921Spain
| | - Christian Stigloher
- Imaging Core FacilityBiocenter/Theodor-Boveri-InstituteUniversity of WürzburgAm Hubland97074WürzburgGermany
| | - Raimon Sabaté
- Pharmacy and Pharmaceutical Technology and Physical-ChemistrySchool of Pharmacy Institute of Nanoscience and Nanotechnology, (IN2UB)University of Barcelona08028BarcelonaSpain
| | - F. Javier Luque
- Department of Nutrition Food Science and GastronomyFaculty of Pharmacy, Institute of Theoretical and Computational, Chemistry and Institute of Biomedicine, Campus TorriberaUniversity of BarcelonaSanta Coloma de Gramenet08921Spain
| | - Michael Decker
- Pharmaceutical and Medicinal ChemistryInstitute of, Pharmacy and Food ChemistryUniversity of WürzburgAm Hubland97074WürzburgGermany
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40
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Zheng K, Dong Y, Yang R, Liang Y, Wu H, He Z. Regulation of ferroptosis by bioactive phytochemicals: Implications for medical nutritional therapy. Pharmacol Res 2021; 168:105580. [PMID: 33781874 DOI: 10.1016/j.phrs.2021.105580] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Revised: 03/15/2021] [Accepted: 03/23/2021] [Indexed: 12/16/2022]
Abstract
Ferroptosis is an iron- and lipotoxicity-dependent regulated cell death that has been implicated in various diseases, such as cancer, neurodegeneration and stroke. The biosynthesis of phospholipids, coenzyme Q10, and glutathione, and the metabolism of iron, amino acids and polyunsaturated fatty acid, are tightly associated with cellular sensitivity to ferroptosis. Up to now, only limited drugs targeting ferroptosis have been documented and exploring novel effective ferroptosis-modulating compound is needed. Natural bioactive products are conventional resources for drug discovery, and some of them have been clinically used against cancers and neurodegenerative diseases as dietary supplements or pharmaceutic agents. Notably, increasing evidence demonstrates that natural compounds, such as saponins, flavonoids and isothiocyanates, can either induce or inhibit ferroptosis, further expanding their therapeutic potentials. In this review, we highlight current advances of the emerging molecular mechanisms and disease relevance of ferroptosis. We also systematically summarize the regulatory effects of natural phytochemicals on ferroptosis, and clearly indicate that saponins, terpenoids and alkaloids induce ROS- and ferritinophagy-dependent ferroptosis, whereas flavonoids and polyphenols modulate iron metabolism and nuclear factor erythroid 2-related factor 2 (NRF2) signaling to inhibit ferroptosis. Finally, we explore their clinical applications in ferroptosis-related diseases, which may facilitate the development of their dietary usages as nutraceuticals.
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Affiliation(s)
- Kai Zheng
- School of Pharmaceutical Sciences, Health Science Center, Shenzhen University, Shenzhen 518060, PR China.
| | - Yun Dong
- School of Pharmaceutical Sciences, Health Science Center, Shenzhen University, Shenzhen 518060, PR China
| | - Rong Yang
- School of Pharmaceutical Sciences, Health Science Center, Shenzhen University, Shenzhen 518060, PR China
| | - Youfang Liang
- School of Pharmaceutical Sciences, Health Science Center, Shenzhen University, Shenzhen 518060, PR China
| | - Haiqiang Wu
- School of Pharmaceutical Sciences, Health Science Center, Shenzhen University, Shenzhen 518060, PR China
| | - Zhendan He
- School of Pharmaceutical Sciences, Health Science Center, Shenzhen University, Shenzhen 518060, PR China
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41
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Elghareeb FH, Kandil EM, Abou-Elzahab M, Abdelmoteleb M, Abozeid MA. Rigid 3D-spiro chromanone as a crux for efficient antimicrobial agents: synthesis, biological and computational evaluation. RSC Adv 2021; 11:21301-21314. [PMID: 35478839 PMCID: PMC9034028 DOI: 10.1039/d1ra03497a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2021] [Accepted: 06/10/2021] [Indexed: 01/26/2023] Open
Abstract
The development of new and effective antimicrobial agents with novel chemical skeletons and working mechanisms is highly desirable due to the increased number of resistant microbes. Different new compounds based upon a 3D-spiro chromanone scaffold such as Mannich bases 2 and 3 in addition to azo dye 4 were synthesized. Besides, the condensation reactions of the hydrazide-spiro chromanone 8 with different ketonic reagents led to the synthesis of pyrazoles (9 & 10) and anils (11 & 13). Moreover, the methoxyl substituted spiro chromanone 14 was condensed with different hydrazines and hydrazides to give the corresponding hydrazones 15–18 in up to 85% yields. The condensation of the hydrazone 18 with salicylaldehyde yielded coumarinyl spiro chromanone 19 in an excellent yield, whereas its reaction with benzaldehyde followed by hydrazine afforded aminopyrazole derivative 21 in 82% yield. The antimicrobial evaluation suggested that hydrazide 8 has a substantial activity against different microbes (S. aureus: D = 22 mm, MIC = 1.64 μM; E. coli: D = 19 mm, MIC = 1.64 μM; C. albicans: D = 20 mm, MIC = 6.57 μM). Moreover, promising antimicrobial activities were observed for azo dye 4 (D = 13–19 mm, MIC = 5.95–11.89 μM), hydrazone 17 (D = 17–23 mm, MIC = 1.88–3.75 μM), and aminopyrazole 21 (D = 14–19 mm, MIC = 2.24–8.98 μM). The molecular docking revealed that compounds 4, 8, 17, and 21 had good to high binding affinities with different microbial targets such as penicillin-binding proteins (−7.4 to −9.9 kcal), DNA gyrase (−7.8 to −9.0 kcal), lanosterol 14-alpha demethylase (−8.2 to −11.2 kcal), and exo-beta-1,3-glucanase (−8.2 to −11.9 kcal). The QSAR analysis ascertained a good correlation between the antimicrobial activity of 3D-spiro chromanone derivatives and their structural and/or physicochemical parameters. New heterocyclic compounds based upon rigid 3D-spiro chromanone scaffold have been synthesized and evaluated as efficient antimicrobial agents. Molecular docking and QSAR have explained and supported the observed promising antimicrobial activity.![]()
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Affiliation(s)
- F. H. Elghareeb
- Department of Chemistry
- Faculty of Science
- Mansoura University
- Mansoura-35516
- Egypt
| | - E. M. Kandil
- Department of Chemistry
- Faculty of Science
- Mansoura University
- Mansoura-35516
- Egypt
| | - M. Abou-Elzahab
- Department of Chemistry
- Faculty of Science
- Mansoura University
- Mansoura-35516
- Egypt
| | - M. Abdelmoteleb
- Department of Botany
- Faculty of Science
- Mansoura University
- Mansoura-35516
- Egypt
| | - M. A. Abozeid
- Department of Chemistry
- Faculty of Science
- Mansoura University
- Mansoura-35516
- Egypt
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42
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Ferroptosis Mechanisms Involved in Neurodegenerative Diseases. Int J Mol Sci 2020; 21:ijms21228765. [PMID: 33233496 PMCID: PMC7699575 DOI: 10.3390/ijms21228765] [Citation(s) in RCA: 204] [Impact Index Per Article: 51.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2020] [Revised: 10/28/2020] [Accepted: 10/28/2020] [Indexed: 12/13/2022] Open
Abstract
Ferroptosis is a type of cell death that was described less than a decade ago. It is caused by the excess of free intracellular iron that leads to lipid (hydro) peroxidation. Iron is essential as a redox metal in several physiological functions. The brain is one of the organs known to be affected by iron homeostatic balance disruption. Since the 1960s, increased concentration of iron in the central nervous system has been associated with oxidative stress, oxidation of proteins and lipids, and cell death. Here, we review the main mechanisms involved in the process of ferroptosis such as lipid peroxidation, glutathione peroxidase 4 enzyme activity, and iron metabolism. Moreover, the association of ferroptosis with the pathophysiology of some neurodegenerative diseases, namely Alzheimer’s, Parkinson’s, and Huntington’s diseases, has also been addressed.
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43
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Maher P. Modulation of the Neuroprotective and Anti-inflammatory Activities of the Flavonol Fisetin by the Transition Metals Iron and Copper. Antioxidants (Basel) 2020; 9:E1113. [PMID: 33187316 PMCID: PMC7696754 DOI: 10.3390/antiox9111113] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Revised: 11/06/2020] [Accepted: 11/08/2020] [Indexed: 12/12/2022] Open
Abstract
Alterations occur in the homeostasis of the transition metals iron (Fe2+) and copper (Cu2+) during aging and these are further amplified in neurodegenerative diseases, including Alzheimer's disease (AD). These observations suggest that the most effective drug candidates for AD might be those that can reduce these alterations. The flavonoid fisetin has both neuroprotective and anti-inflammatory activity both in vitro and in vivo and can bind both iron and copper suggesting that its chelating activity might play a role in its beneficial effects. To test this idea, the effects of iron and copper on both the neuroprotective and anti-inflammatory activities of fisetin were examined. It is shown that while fisetin can reduce the potentiation of cell death by iron and copper in response to treatments that lower glutathione levels, it is much less effective when the metals are combined with other inducers of oxidative stress. In addition, iron but not copper reduces the anti-inflammatory effects of fisetin in a dose-dependent manner. These effects correlate with the ability of iron but not copper to block the induction of the antioxidant transcription factor, Nrf2, by fisetin. In contrast, although the flavanone sterubin also binds iron, the metal has no effect on sterubin's ability to induce Nrf2 or protect cells from toxic or pro-inflammatory insults. Together, these results suggest that while iron and copper binding could contribute to the beneficial effects of neuroprotective compounds in the context of neurodegenerative diseases, the consequences of this binding need to be fully examined for each compound.
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Affiliation(s)
- Pamela Maher
- Cellular Neurobiology Laboratory, Salk Institute for Biological Studies, La Jolla, CA 92037, USA
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44
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Taguchi N, Homma T, Aoki H, Kunisada T. Dietary Eriodictyon angustifolium Tea Supports Prevention of Hair Graying by Reducing DNA Damage in CD34+ Hair Follicular Keratinocyte Stem Cells. Biol Pharm Bull 2020; 43:1451-1454. [PMID: 32999155 DOI: 10.1248/bpb.b20-00455] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Hair follicular keratinocyte stem cells (HFKSC) which provide a functional niche for melanocyte stem cells (MSC) are the primary target of hair graying. However, little research has been done on anti-hair graying medicines targeting HFKSC. We focused on Eriodictyon angustifolium (Ea), which reduces human hair graying when applied topically. To investigate the protective effect of dietary Ea tea (EaT) on hair pigmentation, we used an acute mouse model of hair graying that mimics X-ray-induced DNA damage associated with age-related hair graying. Our results suggest that dietary EaT maintained the niche HFKSC function against X-ray-induced DNA damage and hair graying. These results indicate that dietary EaT may prevent age-related hair graying and serve as an anti-hair graying herbal medicine.
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Affiliation(s)
- Nobuhiko Taguchi
- Department of Tissue and Organ Development, Regeneration and Advanced Medical Science, Gifu University Graduate School of Medicine.,General Research & Development Institute, Hoyu Co., Ltd
| | - Takumi Homma
- General Research & Development Institute, Hoyu Co., Ltd
| | - Hitomi Aoki
- Department of Tissue and Organ Development, Regeneration and Advanced Medical Science, Gifu University Graduate School of Medicine
| | - Takahiro Kunisada
- Department of Tissue and Organ Development, Regeneration and Advanced Medical Science, Gifu University Graduate School of Medicine
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45
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Valdés E, González C, Díaz K, Vásquez-Martínez Y, Mascayano C, Torrent C, Cabezas F, Mejias S, Montoya M, Cortez-San Martín M, Muñoz MA, Joseph-Nathan P, Osorio M, Taborga L. Biological Properties and Absolute Configuration of Flavanones From Calceolaria thyrsiflora Graham. Front Pharmacol 2020; 11:1125. [PMID: 32848744 PMCID: PMC7399337 DOI: 10.3389/fphar.2020.01125] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Accepted: 07/10/2020] [Indexed: 01/10/2023] Open
Abstract
Flavanones (-)-(2S)-5,4'-dihydroxy-7-methoxyflavanone (1) and (-)-(2S)-5,3',4'-trihydroxy-7-methoxyflavanone (2) were isolated from the extracts of Calceolaria thyrsiflora Graham, an endemic perennial small shrub growing in the central zone of Chile. The absolute configuration of these compounds was resolved by optical rotation experiments and in silico calculations. Three analogs (3, 4, and 5) were synthesized to do structure-activity relationships with the biological assays studied. Biological tests revealed that only flavanone 2 exhibited a moderate inhibitory activity against the methicillin-resistant strain S. aureus MRSA 97-77 (MIC value of 50 µg/ml). In addition, flavanone 2 showed a potent, selective, and competitive inhibition of 5-hLOX, which supports the traditional use of this plant as an anti-inflammatory in diseases of the respiratory tract. Also, 2 exhibited cytotoxic and selective effects against B16-F10 (8.07 ± 1.61 µM) but 4.6- and 17-fold lesser activity than etoposide and taxol.
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Affiliation(s)
- Ernesto Valdés
- Laboratorio de Productos Naturales, Departamento de Química, Universidad Técnica Federico Santa María, Valparaíso, Chile
| | - César González
- Laboratorio de Productos Naturales, Departamento de Química, Universidad Técnica Federico Santa María, Valparaíso, Chile
| | - Katy Díaz
- Laboratorio de Productos Naturales, Departamento de Química, Universidad Técnica Federico Santa María, Valparaíso, Chile
| | - Yesseny Vásquez-Martínez
- Programa Centro de Investigaciones Biomédicas Aplicadas, Facultad de Ciencias Médicas, Escuela de Medicina, Universidad de Santiago de Chile, Santiago, Chile.,Departamento de Biología, Facultad de Química y Biología, Universidad de Santiago de Chile, Santiago, Chile
| | - Carolina Mascayano
- Departamento de Ciencias del Ambiente, Facultad de Química y Biología, Universidad de Santiago de Chile, Santiago, Chile
| | - Claudia Torrent
- Departamento de Ciencias del Ambiente, Facultad de Química y Biología, Universidad de Santiago de Chile, Santiago, Chile
| | - Francisco Cabezas
- Departamento de Ciencias del Ambiente, Facultad de Química y Biología, Universidad de Santiago de Chile, Santiago, Chile
| | - Sophia Mejias
- Departamento de Biología, Facultad de Química y Biología, Universidad de Santiago de Chile, Santiago, Chile
| | - Margarita Montoya
- Departamento de Biología, Facultad de Química y Biología, Universidad de Santiago de Chile, Santiago, Chile
| | - Marcelo Cortez-San Martín
- Departamento de Biología, Facultad de Química y Biología, Universidad de Santiago de Chile, Santiago, Chile
| | - Marcelo A Muñoz
- Facultad de Ciencias, Instituto de Ciencias Químicas, Universidad Austral de Chile, Valdivia, Chile
| | - Pedro Joseph-Nathan
- Departamento de Química, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Mexico City, Mexico
| | - Mauricio Osorio
- Laboratorio de Productos Naturales, Departamento de Química, Universidad Técnica Federico Santa María, Valparaíso, Chile
| | - Lautaro Taborga
- Laboratorio de Productos Naturales, Departamento de Química, Universidad Técnica Federico Santa María, Valparaíso, Chile
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Maher PA. Using Plants as a Source of Potential Therapeutics for the Treatment of Alzheimer's Disease. THE YALE JOURNAL OF BIOLOGY AND MEDICINE 2020; 93:365-373. [PMID: 32607095 PMCID: PMC7309672] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Alzheimer's disease (AD) is the most common form of dementia with the numbers expected to increase dramatically as our society ages. There are no treatments to cure, prevent, or slow down the progression of the disease. Age is the single greatest risk factor for AD. However, to date, AD drug discovery efforts have generally not taken this fact into consideration. Multiple changes associated with brain aging, including neuroinflammation and oxidative stress, are important contributors to disease development and progression. Thus, due to the multifactorial nature of AD, the one target strategy to fight the disease needs to be replaced by a more general approach using pleiotropic compounds to deal with the complexity of the disease. In this perspectives piece, our alternative approach to AD drug development based on the biology of aging is described. Starting with plants or plant-derived natural products, we have used a battery of cell-based screening assays that reflect multiple, age-associated toxicity pathways to identify compounds that can target the aspects of aging that contribute to AD pathology. We have found that this combination of assays provides a replicable, cost- and time-effective screening approach that has to date yielded one compound in clinical trials for AD (NCT03838185) and several others that show significant promise.
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Affiliation(s)
- Pamela A. Maher
- To whom all correspondence should be addressed: Pamela A. Maher, Salk Institute for Biological Studies, 10010 N. Torrey Pines Rd., La Jolla, CA, 92037; Tel: 858-453-4100 x1932;
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Hofmann J, Fayez S, Scheiner M, Hoffmann M, Oerter S, Appelt‐Menzel A, Maher P, Maurice T, Bringmann G, Decker M. Sterubin: Enantioresolution and Configurational Stability, Enantiomeric Purity in Nature, and Neuroprotective Activity in Vitro and in Vivo. Chemistry 2020; 26:7299-7308. [PMID: 32358806 PMCID: PMC7317536 DOI: 10.1002/chem.202001264] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2020] [Indexed: 12/28/2022]
Abstract
Alzheimer's disease (AD) is a neurological disorder with still no preventive or curative treatment. Flavonoids are phytochemicals with potential therapeutic value. Previous studies described the flavanone sterubin isolated from the Californian plant Eriodictyon californicum as a potent neuroprotectant in several in vitro assays. Herein, the resolution of synthetic racemic sterubin (1) into its two enantiomers, (R)-1 and (S)-1, is described, which has been performed on a chiral chromatographic phase, and their stereochemical assignment online by HPLC-ECD coupling. (R)-1 and (S)-1 showed comparable neuroprotection in vitro with no significant differences. While the pure stereoisomers were configurationally stable in methanol, fast racemization was observed in the presence of culture medium. We also established the occurrence of extracted sterubin as its pure (S)-enantiomer. Moreover, the activity of sterubin (1) was investigated for the first time in vivo, in an AD mouse model. Sterubin (1) showed a significant positive impact on short- and long-term memory at low dosages.
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Affiliation(s)
- Julian Hofmann
- Pharmaceutical and Medicinal ChemistryInstitute of Pharmacy and Food ChemistryUniversity of WürzburgAm Hubland97074WürzburgGermany
| | - Shaimaa Fayez
- Institute of Organic ChemistryUniversity of WürzburgAm Hubland97074WürzburgGermany
- Department of PharmacognosyFaculty of PharmacyAin-Shams UniversityOrganization of African Unity Street 111566CairoEgypt
| | - Matthias Scheiner
- Pharmaceutical and Medicinal ChemistryInstitute of Pharmacy and Food ChemistryUniversity of WürzburgAm Hubland97074WürzburgGermany
| | - Matthias Hoffmann
- Pharmaceutical and Medicinal ChemistryInstitute of Pharmacy and Food ChemistryUniversity of WürzburgAm Hubland97074WürzburgGermany
- MMDN, University of MontpellierINSERM, EPHE, UMR-S119834095MontpellierFrance
| | - Sabrina Oerter
- Department for Tissue Engineering and Regenerative MedicineUniversity Hospital WürzburgRöntgenring 1197070WürzburgGermany
| | - Antje Appelt‐Menzel
- Department for Tissue Engineering and Regenerative MedicineUniversity Hospital WürzburgRöntgenring 1197070WürzburgGermany
- Translational Center Regenerative Therapies (TLC-RT)Fraunhofer Institute for Silicate Research ISCRöntgenring 1197070WürzburgGermany
| | - Pamela Maher
- The Salk Institute for Biological Studies10010 North Torrey Pines Rd.CA92037La JollaUSA
| | - Tangui Maurice
- MMDN, University of MontpellierINSERM, EPHE, UMR-S119834095MontpellierFrance
| | - Gerhard Bringmann
- Institute of Organic ChemistryUniversity of WürzburgAm Hubland97074WürzburgGermany
| | - Michael Decker
- Pharmaceutical and Medicinal ChemistryInstitute of Pharmacy and Food ChemistryUniversity of WürzburgAm Hubland97074WürzburgGermany
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Taguchi N, Hata T, Kamiya E, Homma T, Kobayashi A, Aoki H, Kunisada T. Eriodictyon angustifolium extract, but not Eriodictyon californicum extract, reduces human hair greying. Int J Cosmet Sci 2020; 42:336-345. [PMID: 32324292 DOI: 10.1111/ics.12620] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2020] [Accepted: 03/27/2020] [Indexed: 11/29/2022]
Abstract
OBJECTIVE Yerba Santa (Eriodictyon angustifolium and Eriodictyon californicum) has been used for many years in traditional medicine. However, the effect of Yerba Santa on melanogenesis has not yet been investigated. We aimed to assess the biological effects of Yerba Santa on hair pigmentation. METHODS Yerba Santa extracts were assessed for their cytological effects following X-ray irradiation treatment and then tested directly for the prevention of human hair greying. Ultra-performance liquid chromatography (UPLC) was utilized to identify the individual extract components. RESULTS Eriodictyon angustifolium extract significantly increased melanin synthesis in the melanoma cell line through activation of the WNT/MITF/tyrosinase-signalling pathway. In contrast, E. californicum had no effect on melanin synthesis. E. angustifolium extract also demonstrated a protective effect against the damage induced by X-ray irradiation in human keratinocytes. Application of the extracts to subjects who had grey beards demonstrated a reduced number of grey beard hair per year specifically with the E. angustifolium extract. A significant decrease in grey head hair was also observed after application of E. angustifolium extract. Upregulation of gene expression related to melanin production and WNT signalling was observed after the application of E. angustifolium extract. Sterubin was the most abundant flavonoid detected by UPLC in E. angustifolium extract. In addition, sterubin showed the highest difference in terms of quantity, between E. angustifolium and E. californicum extract. CONCLUSION Eriodictyon angustifolium extract, which is abundant in sterubin, may be suitable as a potential cosmetic and medical agent for the prevention and improvement of hair greying.
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Affiliation(s)
- N Taguchi
- General Research & Development Institute, Hoyu Co., Ltd., Aichi, 4801136, Japan.,Department of Tissue and Organ Development, Regeneration and Advanced Medical Science, Gifu University Graduate School of Medicine, Gifu, 5011194, Japan
| | - T Hata
- General Research & Development Institute, Hoyu Co., Ltd., Aichi, 4801136, Japan
| | - E Kamiya
- General Research & Development Institute, Hoyu Co., Ltd., Aichi, 4801136, Japan
| | - T Homma
- General Research & Development Institute, Hoyu Co., Ltd., Aichi, 4801136, Japan
| | - A Kobayashi
- General Research & Development Institute, Hoyu Co., Ltd., Aichi, 4801136, Japan
| | - H Aoki
- Department of Tissue and Organ Development, Regeneration and Advanced Medical Science, Gifu University Graduate School of Medicine, Gifu, 5011194, Japan
| | - T Kunisada
- Department of Tissue and Organ Development, Regeneration and Advanced Medical Science, Gifu University Graduate School of Medicine, Gifu, 5011194, Japan
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Maher P, Fischer W, Liang Z, Soriano-Castell D, Pinto AFM, Rebman J, Currais A. The Value of Herbarium Collections to the Discovery of Novel Treatments for Alzheimer's Disease, a Case Made With the Genus Eriodictyon. Front Pharmacol 2020; 11:208. [PMID: 32210808 PMCID: PMC7076189 DOI: 10.3389/fphar.2020.00208] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2019] [Accepted: 02/14/2020] [Indexed: 11/13/2022] Open
Abstract
Plants, in particular those with a history in traditional medicine, hold enormous potential as sources of new therapies for dementias such as Alzheimer’s disease (AD). The largest collections of plants can be found in herbaria all over the world, but the value of these collections to AD drug discovery has been significantly neglected. As a proof of principle, we investigated the neuroprotective activity of herbarium specimens of Eriodictyon (yerba santa), a genus with a long history of usage by the indigenous tribes in California to treat respiratory and age-related complications. Dichloromethane extracts were prepared from leaves of 14 Eriodictyon taxa preserved in the SD Herbarium located at the San Diego Natural History Museum. The extracts were tested for neuroprotection in nerve cells against oxytosis and ferroptosis and for anti-inflammatory activity in brain microglial cells exposed to bacterial lipopolysaccharide. In parallel, the levels of the flavanones sterubin, eriodictyol and homoeriodictyol were measured by mass spectrometry. Several Eriodictyon species presented strong neuroprotective and anti-inflammatory activities. The protective properties of the extracts correlated with the amount of sterubin, but not with eriodictyol or homoeriodictyol, indicating that sterubin is the major active compound in these species. The occurrence of eriodictyol and homoeriodictyol may be predictive of the phylogenetic relationship between members in the genus Eriodictyon. The data offer insight into the traditional use of yerba santa across indigenous tribes in California, while demonstrating the value of herbarium collections for the discovery of novel therapeutic compounds for the treatment of neurodegenerative diseases.
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Affiliation(s)
- Pamela Maher
- Cellular Neurobiology Laboratory, Salk Institute for Biological Studies, La Jolla, CA, United States
| | - Wolfgang Fischer
- Cellular Neurobiology Laboratory, Salk Institute for Biological Studies, La Jolla, CA, United States
| | - Zhibin Liang
- Cellular Neurobiology Laboratory, Salk Institute for Biological Studies, La Jolla, CA, United States
| | - David Soriano-Castell
- Cellular Neurobiology Laboratory, Salk Institute for Biological Studies, La Jolla, CA, United States
| | - Antonio F M Pinto
- Mass Spectrometry Core, Salk Institute for Biological Studies, La Jolla, CA, United States
| | - Jon Rebman
- Department of Botany, San Diego Natural History Museum, San Diego, CA, United States
| | - Antonio Currais
- Cellular Neurobiology Laboratory, Salk Institute for Biological Studies, La Jolla, CA, United States
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Taguchi N, Yuriguchi M, Ando T, Kitai R, Aoki H, Kunisada T. Flavonoids with Two OH Groups in the B-Ring Promote Pigmented Hair Regeneration. Biol Pharm Bull 2019; 42:1446-1449. [DOI: 10.1248/bpb.b19-00295] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Nobuhiko Taguchi
- Department of Tissue and Organ Development, Regeneration and Advanced Medical Science, Gifu University Graduate School of Medicine
- General Research & Development Institute, Hoyu Co., Ltd
| | - Minoru Yuriguchi
- Department of Tissue and Organ Development, Regeneration and Advanced Medical Science, Gifu University Graduate School of Medicine
| | - Takuya Ando
- Department of Tissue and Organ Development, Regeneration and Advanced Medical Science, Gifu University Graduate School of Medicine
| | - Ryosuke Kitai
- Department of Tissue and Organ Development, Regeneration and Advanced Medical Science, Gifu University Graduate School of Medicine
| | - Hitomi Aoki
- Department of Tissue and Organ Development, Regeneration and Advanced Medical Science, Gifu University Graduate School of Medicine
| | - Takahiro Kunisada
- Department of Tissue and Organ Development, Regeneration and Advanced Medical Science, Gifu University Graduate School of Medicine
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