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Francavilla F, Sarcina F, Schepetkin IA, Kirpotina LN, Contino M, Schirizzi A, De Leonardis G, Khlebnikov AI, D'Alessandro R, Quinn MT, Lacivita E, Leopoldo M. Development of potent isoflavone-based formyl peptide receptor 1 (FPR1) antagonists and their effects in gastric cancer cell models. Eur J Med Chem 2023; 261:115854. [PMID: 37839346 PMCID: PMC10822168 DOI: 10.1016/j.ejmech.2023.115854] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Revised: 10/02/2023] [Accepted: 10/03/2023] [Indexed: 10/17/2023]
Abstract
Formyl peptide receptor-1 (FPR1) is a G protein-coupled chemoattractant receptor that plays a crucial role in the trafficking of leukocytes into the sites of bacterial infection and inflammation. Recently, FPR1 was shown to be expressed in different types of tumor cells and could play a significant role in tumor growth and invasiveness. Starting from the previously reported FPR1 antagonist 4, we have designed a new series of 4H-chromen-2-one derivatives that exhibited a substantial increase in FPR1 antagonist potency. Docking studies identified the key interactions for antagonist activity. The most potent compounds in this series (24a and 25b) were selected to study the effects of the pharmacological blockade of FPR1 in NCl-N87 and AGS gastric cancer cells. Both compounds potently inhibited cell growth through a combined effect on cell proliferation and apoptosis and reduced cell migration, while inducing an increase in angiogenesis, thus suggesting that FPR1 could play a dual role as oncogene and onco-suppressor.
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Affiliation(s)
- Fabio Francavilla
- Dipartimento di Farmacia-Scienze del Farmaco, Università degli Studi di Bari Aldo Moro, via Orabona 4, 70125, Bari, Italy
| | - Federica Sarcina
- Dipartimento di Farmacia-Scienze del Farmaco, Università degli Studi di Bari Aldo Moro, via Orabona 4, 70125, Bari, Italy
| | - Igor A Schepetkin
- Department of Microbiology and Cell Biology, Montana State University, Bozeman, MT, 59717, USA
| | - Lilya N Kirpotina
- Department of Microbiology and Cell Biology, Montana State University, Bozeman, MT, 59717, USA
| | - Marialessandra Contino
- Dipartimento di Farmacia-Scienze del Farmaco, Università degli Studi di Bari Aldo Moro, via Orabona 4, 70125, Bari, Italy
| | - Annalisa Schirizzi
- Laboratory of Experimental Oncology, National Institute of Gastroenterology - IRCCS "Saverio de Bellis", Research Hospital, 70013, Castellana Grotte (BA), Italy
| | - Giampiero De Leonardis
- Laboratory of Experimental Oncology, National Institute of Gastroenterology - IRCCS "Saverio de Bellis", Research Hospital, 70013, Castellana Grotte (BA), Italy
| | - Andrei I Khlebnikov
- Kizhner Research Center, Tomsk Polytechnic University, Tomsk, 634050, Russia
| | - Rosalba D'Alessandro
- Laboratory of Experimental Oncology, National Institute of Gastroenterology - IRCCS "Saverio de Bellis", Research Hospital, 70013, Castellana Grotte (BA), Italy
| | - Mark T Quinn
- Department of Microbiology and Cell Biology, Montana State University, Bozeman, MT, 59717, USA
| | - Enza Lacivita
- Dipartimento di Farmacia-Scienze del Farmaco, Università degli Studi di Bari Aldo Moro, via Orabona 4, 70125, Bari, Italy.
| | - Marcello Leopoldo
- Dipartimento di Farmacia-Scienze del Farmaco, Università degli Studi di Bari Aldo Moro, via Orabona 4, 70125, Bari, Italy
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Cao Y, Chen J, Liu F, Qi G, Zhao Y, Xu S, Wang J, Zhu T, Zhang Y, Jia Y. Formyl peptide receptor 2 activation by mitochondrial formyl peptides stimulates the neutrophil proinflammatory response via the ERK pathway and exacerbates ischemia-reperfusion injury. Cell Mol Biol Lett 2023; 28:4. [PMID: 36658472 PMCID: PMC9854225 DOI: 10.1186/s11658-023-00416-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Accepted: 01/02/2023] [Indexed: 01/20/2023] Open
Abstract
BACKGROUND Ischemia-reperfusion injury (IRI) is an inevitable process in renal transplantation that significantly increases the risk of delayed graft function, acute rejection, and even graft loss. Formyl peptide receptor 2 (FPR2) is an important receptor in multiple septic and aseptic injuries, but its functions in kidney IRI are still unclear. This study was designed to reveal the pathological role of FPR2 in kidney IRI and its functional mechanisms. METHODS To explore the mechanism of FPR2 in kidney IRI, the model rats were sacrificed after IRI surgery. Immunofluorescence, enzyme-linked immunosorbent assays, and western blotting were used to detect differences in the expression of FPR2 and its ligands between the IRI and control groups. WRW4 (WRWWWW-NH2), a specific antagonist of FPR2, was administered to kidney IRI rats. Kidney function and pathological damage were detected to assess kidney injury and recovery. Flow cytometry was used to quantitatively compare neutrophil infiltration among the experimental groups. Mitochondrial formyl peptides (mtFPs) were synthesized and administered to primary rat neutrophils together with the specific FPR family antagonist WRW4 to verify our hypothesis in vitro. Western blotting and cell function assays were used to examine the functions and signaling pathways that FPR2 mediates in neutrophils. RESULTS FPR2 was activated mainly by mtFPs during the acute phase of IRI, mediating neutrophil migration and reactive oxygen species production in the rat kidney through the ERK1/2 pathway. FPR2 blockade in the early phase protected rat kidneys from IRI. CONCLUSIONS mtFPs activated FPR2 during the acute phase of IRI and mediated rat kidney injury by activating the migration and reactive oxygen species generation of neutrophils through the ERK1/2 pathway.
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Affiliation(s)
- Yirui Cao
- grid.413087.90000 0004 1755 3939Department of Urology, Zhongshan Hospital, Fudan University, Shanghai, China ,grid.413087.90000 0004 1755 3939Shanghai Key Laboratory of Organ Transplantation, Shanghai, China
| | - Juntao Chen
- grid.413087.90000 0004 1755 3939Department of Urology, Zhongshan Hospital, Fudan University, Shanghai, China ,grid.413087.90000 0004 1755 3939Shanghai Key Laboratory of Organ Transplantation, Shanghai, China
| | - Feng Liu
- grid.411405.50000 0004 1757 8861Department of Integrative Medicine, Huashan Hospital Fudan University, Shanghai, People’s Republic of China
| | - Guisheng Qi
- grid.413087.90000 0004 1755 3939Department of Urology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Yufeng Zhao
- grid.413087.90000 0004 1755 3939Department of Urology, Zhongshan Hospital, Fudan University, Shanghai, China ,grid.413087.90000 0004 1755 3939Shanghai Key Laboratory of Organ Transplantation, Shanghai, China
| | - Shihao Xu
- grid.413087.90000 0004 1755 3939Department of Urology, Zhongshan Hospital, Fudan University, Shanghai, China ,grid.413087.90000 0004 1755 3939Shanghai Key Laboratory of Organ Transplantation, Shanghai, China
| | - Jiyan Wang
- grid.413087.90000 0004 1755 3939Department of Urology, Zhongshan Hospital, Fudan University, Shanghai, China ,grid.413087.90000 0004 1755 3939Shanghai Key Laboratory of Organ Transplantation, Shanghai, China
| | - Tongyu Zhu
- grid.413087.90000 0004 1755 3939Department of Urology, Zhongshan Hospital, Fudan University, Shanghai, China ,grid.413087.90000 0004 1755 3939Shanghai Key Laboratory of Organ Transplantation, Shanghai, China
| | - Yi Zhang
- grid.413087.90000 0004 1755 3939Zhongshan Hospital Institute of Clinical Science, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Yichen Jia
- grid.413087.90000 0004 1755 3939Department of Urology, Zhongshan Hospital, Fudan University, Shanghai, China
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Li Z, Li Y, Han J, Zhu Z, Li M, Liu Q, Wang Y, Shi FD. Formyl peptide receptor 1 signaling potentiates inflammatory brain injury. Sci Transl Med 2021; 13:13/605/eabe9890. [PMID: 34349037 DOI: 10.1126/scitranslmed.abe9890] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2020] [Accepted: 04/02/2021] [Indexed: 12/26/2022]
Abstract
Acute brain insults elicit pronounced inflammation that amplifies brain damage in intracerebral hemorrhage (ICH). We profiled perihematomal tissue from patients with ICH, generating a molecular landscape of the injured brain, and identified formyl peptide receptor 1 (FPR1) as the most abundantly increased damage-associated molecular pattern (DAMP) receptor, predominantly expressed by microglia. Circulating mitochondrial N-formyl peptides, endogenous ligands of FPR1, were augmented and correlated with the magnitude of brain edema in patients with ICH. Interactions of formyl peptides with FPR1 activated microglia, boosted neutrophil recruitment, and aggravated neurological deficits in two mouse models of ICH. We created an FPR1 antagonist T-0080 that can penetrate the brain and bind both human and murine FPR1. T-0080 attenuated brain edema and improved neurological outcomes in ICH models. Thus, FPR1 orchestrates brain inflammation after ICH and could be targeted to improve clinical outcome in patients.
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Affiliation(s)
- Zhiguo Li
- China National Clinical Research Center for Neurological Diseases, Advanced Innovation Center for Human Brain Protection, Beijing Tiantan Hospital, Capital Medical University, Beijing 100070, China.,Department of Neurology, Tianjin Neurological Institute, Tianjin Medical University General Hospital, Tianjin 300052, China
| | - Yulin Li
- Department of Neurology, Tianjin Neurological Institute, Tianjin Medical University General Hospital, Tianjin 300052, China
| | - Jinrui Han
- Department of Neurology, Tianjin Neurological Institute, Tianjin Medical University General Hospital, Tianjin 300052, China
| | - Zilong Zhu
- Department of Neurology, Tianjin Huanhu Hospital, Tianjin 300350, China
| | - Minshu Li
- China National Clinical Research Center for Neurological Diseases, Advanced Innovation Center for Human Brain Protection, Beijing Tiantan Hospital, Capital Medical University, Beijing 100070, China.,Department of Neurology, Tianjin Neurological Institute, Tianjin Medical University General Hospital, Tianjin 300052, China
| | - Qiang Liu
- Department of Neurology, Tianjin Neurological Institute, Tianjin Medical University General Hospital, Tianjin 300052, China
| | - Yongjun Wang
- China National Clinical Research Center for Neurological Diseases, Advanced Innovation Center for Human Brain Protection, Beijing Tiantan Hospital, Capital Medical University, Beijing 100070, China.
| | - Fu-Dong Shi
- China National Clinical Research Center for Neurological Diseases, Advanced Innovation Center for Human Brain Protection, Beijing Tiantan Hospital, Capital Medical University, Beijing 100070, China. .,Department of Neurology, Tianjin Neurological Institute, Tianjin Medical University General Hospital, Tianjin 300052, China
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Basok SS, Schepetkin IA, Khlebnikov AI, Lutsyuk AF, Kirichenko TI, Kirpotina LN, Pavlovsky VI, Leonov KA, Vishenkova DA, Quinn MT. Synthesis, Biological Evaluation, and Molecular Modeling of Aza-Crown Ethers. Molecules 2021; 26:molecules26082225. [PMID: 33921479 PMCID: PMC8069214 DOI: 10.3390/molecules26082225] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2021] [Revised: 04/04/2021] [Accepted: 04/07/2021] [Indexed: 11/16/2022] Open
Abstract
Synthetic and natural ionophores have been developed to catalyze ion transport and have been shown to exhibit a variety of biological effects. We synthesized 24 aza- and diaza-crown ethers containing adamantyl, adamantylalkyl, aminomethylbenzoyl, and ε-aminocaproyl substituents and analyzed their biological effects in vitro. Ten of the compounds (8, 10–17, and 21) increased intracellular calcium ([Ca2+]i) in human neutrophils, with the most potent being compound 15 (N,N’-bis[2-(1-adamantyl)acetyl]-4,10-diaza-15-crown-5), suggesting that these compounds could alter normal neutrophil [Ca2+]i flux. Indeed, a number of these compounds (i.e., 8, 10–17, and 21) inhibited [Ca2+]i flux in human neutrophils activated by N-formyl peptide (fMLF). Some of these compounds also inhibited chemotactic peptide-induced [Ca2+]i flux in HL60 cells transfected with N-formyl peptide receptor 1 or 2 (FPR1 or FPR2). In addition, several of the active compounds inhibited neutrophil reactive oxygen species production induced by phorbol 12-myristate 13-acetate (PMA) and neutrophil chemotaxis toward fMLF, as both of these processes are highly dependent on regulated [Ca2+]i flux. Quantum chemical calculations were performed on five structure-related diaza-crown ethers and their complexes with Ca2+, Na+, and K+ to obtain a set of molecular electronic properties and to correlate these properties with biological activity. According to density-functional theory (DFT) modeling, Ca2+ ions were more effectively bound by these compounds versus Na+ and K+. The DFT-optimized structures of the ligand-Ca2+ complexes and quantitative structure-activity relationship (QSAR) analysis showed that the carbonyl oxygen atoms of the N,N’-diacylated diaza-crown ethers participated in cation binding and could play an important role in Ca2+ transfer. Thus, our modeling experiments provide a molecular basis to explain at least part of the ionophore mechanism of biological action of aza-crown ethers.
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Affiliation(s)
- Stepan S. Basok
- A.V. Bogatsky Physico-Chemical Institute of National Academy of Science of Ukraine, 65080 Odessa, Ukraine; (S.S.B.); (A.F.L.); (T.I.K.)
| | - Igor A. Schepetkin
- Department of Microbiology and Cell Biology, Montana State University, Bozeman, MT 59717, USA; (I.A.S.); (L.N.K.)
| | - Andrei I. Khlebnikov
- Kizhner Research Center, National Research Tomsk Polytechnic University, Tomsk 634050, Russia; (A.I.K.); (V.I.P.); (D.A.V.)
| | - Anatoliy F. Lutsyuk
- A.V. Bogatsky Physico-Chemical Institute of National Academy of Science of Ukraine, 65080 Odessa, Ukraine; (S.S.B.); (A.F.L.); (T.I.K.)
| | - Tatiana I. Kirichenko
- A.V. Bogatsky Physico-Chemical Institute of National Academy of Science of Ukraine, 65080 Odessa, Ukraine; (S.S.B.); (A.F.L.); (T.I.K.)
| | - Liliya N. Kirpotina
- Department of Microbiology and Cell Biology, Montana State University, Bozeman, MT 59717, USA; (I.A.S.); (L.N.K.)
| | - Victor I. Pavlovsky
- Kizhner Research Center, National Research Tomsk Polytechnic University, Tomsk 634050, Russia; (A.I.K.); (V.I.P.); (D.A.V.)
- Innovative Pharmacology Research, LLC, Tomsk 634021, Russia;
| | - Klim A. Leonov
- Innovative Pharmacology Research, LLC, Tomsk 634021, Russia;
| | - Darya A. Vishenkova
- Kizhner Research Center, National Research Tomsk Polytechnic University, Tomsk 634050, Russia; (A.I.K.); (V.I.P.); (D.A.V.)
| | - Mark T. Quinn
- Department of Microbiology and Cell Biology, Montana State University, Bozeman, MT 59717, USA; (I.A.S.); (L.N.K.)
- Correspondence: ; Tel.: +406-994-4707; Fax: +406-994-4303
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Raj V, Lee J. 2H/4H-Chromenes-A Versatile Biologically Attractive Scaffold. Front Chem 2020; 8:623. [PMID: 32850645 PMCID: PMC7419998 DOI: 10.3389/fchem.2020.00623] [Citation(s) in RCA: 78] [Impact Index Per Article: 19.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2020] [Accepted: 06/15/2020] [Indexed: 12/26/2022] Open
Abstract
2H/4H-chromene (2H/4H-ch) is an important class of heterocyclic compounds with versatile biological profiles, a simple structure, and mild adverse effects. Researchers discovered several routes for the synthesis of a variety of 2H/4H-ch analogs that exhibited unusual activities by multiple mechanisms. The direct assessment of activities with the parent 2H/4H-ch derivative enables an orderly analysis of the structure-activity relationship (SAR) among the series. Additionally, 2H/4H-ch have numerous exciting biological activities, such as anticancer, anticonvulsant, antimicrobial, anticholinesterase, antituberculosis, and antidiabetic activities. This review is consequently an endeavor to highlight the diverse synthetic strategies, synthetic mechanism, various biological profiles, and SARs regarding the bioactive heterocycle, 2H/4H-ch. The presented scaffold work compiled in this article will be helpful to the scientific community for designing and developing potent leads of 2H/4H-ch analogs for their promising biological activities.
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Affiliation(s)
- Vinit Raj
- School of Chemical Engineering, Yeungnam University, Gyeongsan-si, South Korea
| | - Jintae Lee
- School of Chemical Engineering, Yeungnam University, Gyeongsan-si, South Korea
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D'Alonzo D, De Fenza M, Pavone V. COVID-19 and pneumonia: a role for the uPA/uPAR system. Drug Discov Today 2020; 25:1528-1534. [PMID: 32562843 PMCID: PMC7299864 DOI: 10.1016/j.drudis.2020.06.013] [Citation(s) in RCA: 54] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2020] [Revised: 05/14/2020] [Accepted: 06/11/2020] [Indexed: 12/29/2022]
Abstract
Here, we highlight recent findings on the urokinase plasminogen activator (uPA)/uPA receptor (uPAR) system that suggest its potential role as a main orchestrator of fatal progression to pulmonary, kidney, and heart failure in patients with coronavirus. Patients with prolonged background inflammation can present aberrant inflammatory reactions, well recognized as the main factors that can result in death and probably sustained by a dysregulated uPA/uPAR system. SuPAR, the soluble form of uPAR, represents a biomarker of disease progression, and its levels correlate well with comorbidities associated with the death of patients with coronavirus. New drugs that regulate the uPA/uPAR system could help treat the severe complications of highly pathogenic human coronaviruses (hCoVs), including pandemic coronavirus 2019 (COVID-19).
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Affiliation(s)
- Daniele D'Alonzo
- University of Naples 'Federico II', Department of Chemical Sciences, Complesso Universitario di Monte Sant'Angelo, Via Cintia 46, 80126 Naples, Italy
| | - Maria De Fenza
- University of Naples 'Federico II', Department of Chemical Sciences, Complesso Universitario di Monte Sant'Angelo, Via Cintia 46, 80126 Naples, Italy
| | - Vincenzo Pavone
- University of Naples 'Federico II', Department of Chemical Sciences, Complesso Universitario di Monte Sant'Angelo, Via Cintia 46, 80126 Naples, Italy.
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Chang YC, Lai KH, Kumar S, Chen PJ, Wu YH, Lai CL, Hsieh HL, Sung PJ, Hwang TL. 1H NMR-Based Isolation of Anti-Inflammatory 9,11-Secosteroids from the Octocoral Sinularia leptoclados. Mar Drugs 2020; 18:md18050271. [PMID: 32455584 PMCID: PMC7281107 DOI: 10.3390/md18050271] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2020] [Revised: 05/18/2020] [Accepted: 05/19/2020] [Indexed: 12/11/2022] Open
Abstract
Octocoral Sinularia leptoclados has been identified as a source of bioactive 9,11-secosteroids. This study adopted a targeted isolation approach to the discovery and analysis of five 9,11-secosteroids, including two novel compounds named sinleptosterols A (1) and B (2) as well as five known analogues (8αH-3β,11-dihydroxy-24-methylene-9,11-secocholest-5-en-9-one (3), 8βH-3β,11-dihydroxy-24-methylene-9,11-secocholest-5-en-9-one (4), leptosterol A (5), (24S)-3β,11-dihydroxy-24-methyl-9,11-secocholest-5-en-9-one (6), and 3β,11-dihydroxy-9,11-secogorgost-5-en-9-one (7)) in terms of 1H-NMR patterns and potency against neutrophilic inflammation. The structure of secosteroids 1 and 2 was deduced from general spectroscopic analysis and an examination of NMR spectra. Among the above-mentioned isolates, compound 4 had the most pronounced effect in inhibiting elastase release and superoxide anion generation, with the IC50 values of 2.96 and 1.63 μM, respectively.
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Affiliation(s)
- Yu-Chia Chang
- Research Center for Chinese Herbal Medicine, Graduate Institute of Healthy Industry Technology, College of Human Ecology, Chang Gung University of Science and Technology, Taoyuan 333324, Taiwan; (Y.-C.C.); (K.-H.L.); (Y.-H.W.); (C.-L.L.)
| | - Kuei-Hung Lai
- Research Center for Chinese Herbal Medicine, Graduate Institute of Healthy Industry Technology, College of Human Ecology, Chang Gung University of Science and Technology, Taoyuan 333324, Taiwan; (Y.-C.C.); (K.-H.L.); (Y.-H.W.); (C.-L.L.)
| | - Sunil Kumar
- Chinese Herbal Medicine Research Team, Healthy Aging Research Center, Chang Gung University, Taoyuan 333323, Taiwan;
| | - Po-Jen Chen
- Department of Cosmetic Science, Providence University, Taichung 433303, Taiwan;
| | - Yi-Hsuan Wu
- Research Center for Chinese Herbal Medicine, Graduate Institute of Healthy Industry Technology, College of Human Ecology, Chang Gung University of Science and Technology, Taoyuan 333324, Taiwan; (Y.-C.C.); (K.-H.L.); (Y.-H.W.); (C.-L.L.)
| | - Ching-Long Lai
- Research Center for Chinese Herbal Medicine, Graduate Institute of Healthy Industry Technology, College of Human Ecology, Chang Gung University of Science and Technology, Taoyuan 333324, Taiwan; (Y.-C.C.); (K.-H.L.); (Y.-H.W.); (C.-L.L.)
- Department of Nursing, Division of Basic Medical Sciences, Chang Gung University of Science and Technology, Taoyuan 333324, Taiwan
| | - Hsi-Lung Hsieh
- Research Center for Chinese Herbal Medicine, Graduate Institute of Healthy Industry Technology, College of Human Ecology, Chang Gung University of Science and Technology, Taoyuan 333324, Taiwan; (Y.-C.C.); (K.-H.L.); (Y.-H.W.); (C.-L.L.)
- Department of Nursing, Division of Basic Medical Sciences, Chang Gung University of Science and Technology, Taoyuan 333324, Taiwan
- Department of Neurology, Chang Gung Memorial Hospital, Taoyuan 333423, Taiwan
- Correspondence: (H.-L.H.); (P.-J.S.); (T.-L.H.); Tel.: +886-3-211-8999 (ext. 5421) (H.-L.H.); +886-8-882-5037 (P.-J.S.); +886-3-211-8800 (T.-L.H.); Fax: +886-8-882-5087 (P.-J.S.); +886-3-211-8506 (T.-L.H.)
| | - Ping-Jyun Sung
- National Museum of Marine Biology and Aquarium, Pingtung 944401, Taiwan
- Graduate Institute of Marine Biology, National Dong Hwa University, Pingtung 944401, Taiwan
- Chinese Medicine Research and Development Center, China Medical University Hospital, Taichung 404394, Taiwan
- Correspondence: (H.-L.H.); (P.-J.S.); (T.-L.H.); Tel.: +886-3-211-8999 (ext. 5421) (H.-L.H.); +886-8-882-5037 (P.-J.S.); +886-3-211-8800 (T.-L.H.); Fax: +886-8-882-5087 (P.-J.S.); +886-3-211-8506 (T.-L.H.)
| | - Tsong-Long Hwang
- Research Center for Chinese Herbal Medicine, Graduate Institute of Healthy Industry Technology, College of Human Ecology, Chang Gung University of Science and Technology, Taoyuan 333324, Taiwan; (Y.-C.C.); (K.-H.L.); (Y.-H.W.); (C.-L.L.)
- Chinese Herbal Medicine Research Team, Healthy Aging Research Center, Chang Gung University, Taoyuan 333323, Taiwan;
- Graduate Institute of Natural Products, College of Medicine, Chang Gung University, Taoyuan 333323, Taiwan
- Department of Anaesthesiology, Chang Gung Memorial Hospital, Taoyuan 333423, Taiwan
- Department of Chemical Engineering, Ming Chi University of Technology, New Taipei City 243303, Taiwan
- Correspondence: (H.-L.H.); (P.-J.S.); (T.-L.H.); Tel.: +886-3-211-8999 (ext. 5421) (H.-L.H.); +886-8-882-5037 (P.-J.S.); +886-3-211-8800 (T.-L.H.); Fax: +886-8-882-5087 (P.-J.S.); +886-3-211-8506 (T.-L.H.)
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Mihaylova N, Chipinski P, Bradyanova S, Velikova T, Ivanova-Todorova E, Chausheva S, Herbáth M, Kalinova D, Prechl J, Kyurkchiev D, Tchorbanov AI. Suppression of autoreactive T and B lymphocytes by anti-annexin A1 antibody in a humanized NSG murine model of systemic lupus erythematosus. Clin Exp Immunol 2019; 199:278-293. [PMID: 31724735 DOI: 10.1111/cei.13399] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/11/2019] [Indexed: 02/05/2023] Open
Abstract
Systemic lupus erythematosus is a chronic inflammatory disease which involves multiple organs. Self-specific B and T cells play a main role in the pathogenesis of lupus and have been defined as a logical target for selective therapy. The protein annexin A1 (ANX A1) is a modulator of the immune system involving many cell types. An abnormal expression of ANX A1 was found on activated B and T cells during autoimmunity, suggesting its importance as a potential therapeutic target. We hypothesize that it may be possible to down-regulate the activity of autoreactive T and B cells from lupus patients in a humanized immunodeficient mouse model by treating them with an antibody against ANX A1. When cultured in the presence of anti-ANX A1, peripheral blood mononuclear cells (PBMC) from lupus patients showed a decreased number of immunoglobulin (Ig)G anti-dsDNA antibody-secreting plasma cells, decreased T cell proliferation and expression of activation markers and increased B and T cell apoptosis. We employed a humanized model of SLE by transferring PBMCs from lupus patients to immunodeficient non-obese diabetic-severe combined immunodeficient (NOD-SCID) mice. The humanized animals presented autoantibodies, proteinuria and immunoglobulin deposition in the renal glomeruli. Treatment of these NOD-SCID mice with an anti-ANX A1 antibody prevented appearance of anti-DNA antibodies and proteinuria, while the phosphate-buffered saline (PBS)-injected animals had high levels after the transfer. The treatment reduced the levels of autoantibodies to several autoantigens, lupus-associated cytokines and disease symptoms.
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Affiliation(s)
- N Mihaylova
- Laboratory of Experimental Immunology, Institute of Microbiology, Bulgarian Academy of Sciences, Sofia, Bulgaria
| | - P Chipinski
- Laboratory of Experimental Immunology, Institute of Microbiology, Bulgarian Academy of Sciences, Sofia, Bulgaria
| | - S Bradyanova
- Laboratory of Experimental Immunology, Institute of Microbiology, Bulgarian Academy of Sciences, Sofia, Bulgaria
| | - T Velikova
- Laboratory of Clinical Immunology, Department of Clinical Laboratory and Clinical Immunology, University Hospital St Ivan Rilski, Medical University of Sofia, Sofia, Bulgaria
| | - E Ivanova-Todorova
- Laboratory of Clinical Immunology, Department of Clinical Laboratory and Clinical Immunology, University Hospital St Ivan Rilski, Medical University of Sofia, Sofia, Bulgaria
| | - S Chausheva
- Laboratory of Experimental Immunology, Institute of Microbiology, Bulgarian Academy of Sciences, Sofia, Bulgaria
| | - M Herbáth
- MTA-ELTE Immunology Research Group, Hungarian Academy of Sciences, Budapest, Hungary
| | - D Kalinova
- Clinic of Rheumatology, University Hospital St Ivan Rilski, Sofia, Bulgaria
| | - J Prechl
- MTA-ELTE Immunology Research Group, Hungarian Academy of Sciences, Budapest, Hungary
| | - D Kyurkchiev
- Laboratory of Clinical Immunology, Department of Clinical Laboratory and Clinical Immunology, University Hospital St Ivan Rilski, Medical University of Sofia, Sofia, Bulgaria
| | - A I Tchorbanov
- Laboratory of Experimental Immunology, Institute of Microbiology, Bulgarian Academy of Sciences, Sofia, Bulgaria.,National Institute of Immunology, Sofia, Bulgaria
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Mastromarino M, Kirpotina LN, Schepetkin IA, Quinn MT, Lacivita E, Leopoldo M. Aurantiamide-related dipeptide derivatives are formyl peptide receptor 1 antagonists. MEDCHEMCOMM 2019; 10:2078-2088. [PMID: 32206242 DOI: 10.1039/c9md00336c] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2019] [Accepted: 10/03/2019] [Indexed: 01/12/2023]
Abstract
Formyl peptide receptor 1 (FPR1) is expressed on a variety of immune system cells and is a key regulator of the inflammatory environment. Therefore, the development of FPR1 antagonists may represent a novel approach for modulating innate immunity and treating inflammatory diseases. Starting from a dipeptide scaffold that is structurally related to the natural product aurantiamide, we investigated the structure-activity relationships of the dipeptide (2R,2'S)-6, which was reported as an FPR1 antagonist. We found that the absolute configuration 2R,2'S was preferred to obtain potent and selective FPR1 antagonists. The structural modifications performed on the terminal fragments of the molecule suggest that the size of the substituents can greatly influence the interaction with FPR1. These compounds behaved as antagonists in human neutrophils and were able to inhibit formyl peptide-induced chemotaxis. Since FPR1 is a key regulator of the inflammatory environment, the dipeptide derivatives described here may represent important leads for the development of new potent and selective FPR1 antagonists for the treatment of neutrophil-mediated inflammatory diseases.
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Affiliation(s)
- Margherita Mastromarino
- Dipartimento di Farmacia - Scienze del Farmaco , Università degli Studi di Bari Aldo Moro , via Orabona, 4 , 70125 Bari , Italy . ; ; Tel: +39 080 5442750
| | - Liliya N Kirpotina
- Department of Microbiology and Immunology , Montana State University , Bozeman , MT 59717 , USA
| | - Igor A Schepetkin
- Department of Microbiology and Immunology , Montana State University , Bozeman , MT 59717 , USA
| | - Mark T Quinn
- Department of Microbiology and Immunology , Montana State University , Bozeman , MT 59717 , USA
| | - Enza Lacivita
- Dipartimento di Farmacia - Scienze del Farmaco , Università degli Studi di Bari Aldo Moro , via Orabona, 4 , 70125 Bari , Italy . ; ; Tel: +39 080 5442750
| | - Marcello Leopoldo
- Dipartimento di Farmacia - Scienze del Farmaco , Università degli Studi di Bari Aldo Moro , via Orabona, 4 , 70125 Bari , Italy . ; ; Tel: +39 080 5442750
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10
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FPR1 gene silencing suppresses cardiomyocyte apoptosis and ventricular remodeling in rats with ischemia/reperfusion injury through the inhibition of MAPK signaling pathway. Exp Cell Res 2018; 370:506-518. [DOI: 10.1016/j.yexcr.2018.07.016] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2018] [Revised: 07/08/2018] [Accepted: 07/10/2018] [Indexed: 12/25/2022]
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Targeting formyl peptide receptors to facilitate the resolution of inflammation. Eur J Pharmacol 2018; 833:339-348. [PMID: 29935171 DOI: 10.1016/j.ejphar.2018.06.025] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2018] [Revised: 06/08/2018] [Accepted: 06/19/2018] [Indexed: 12/12/2022]
Abstract
The formyl peptide receptors (FPRs) are G protein coupled receptors that recognize a broad range of structurally distinct pathogen and danger-associated molecular patterns and mediate host defense to infection and tissue injury. It became evident that the cellular distribution and biological functions of FPRs extend beyond myeloid cells and governing their activation and trafficking. In recent years, significant progress has been made to position FPRs at check points that control the resolution of inflammation, tissue repair and return to homeostasis. Accumulating data indicate a role for FPRs in an ever-increasing range of human diseases, including atherosclerosis, chronic obstructive pulmonary disease, asthma, autoimmune diseases and cancer, in which dysregulated or defective resolution are increasingly recognized as critical component of the pathogenesis. This review summarizes recent advances on how FPRs recognize distinct ligands and integrate opposing cues to govern various responses and will discuss how this knowledge could be harnessed for developing novel therapeutic strategies to counter inflammation that underlies many human diseases.
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12
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Konovalov AI, Antipin IS, Burilov VA, Madzhidov TI, Kurbangalieva AR, Nemtarev AV, Solovieva SE, Stoikov II, Mamedov VA, Zakharova LY, Gavrilova EL, Sinyashin OG, Balova IA, Vasilyev AV, Zenkevich IG, Krasavin MY, Kuznetsov MA, Molchanov AP, Novikov MS, Nikolaev VA, Rodina LL, Khlebnikov AF, Beletskaya IP, Vatsadze SZ, Gromov SP, Zyk NV, Lebedev AT, Lemenovskii DA, Petrosyan VS, Nenaidenko VG, Negrebetskii VV, Baukov YI, Shmigol’ TA, Korlyukov AA, Tikhomirov AS, Shchekotikhin AE, Traven’ VF, Voskresenskii LG, Zubkov FI, Golubchikov OA, Semeikin AS, Berezin DB, Stuzhin PA, Filimonov VD, Krasnokutskaya EA, Fedorov AY, Nyuchev AV, Orlov VY, Begunov RS, Rusakov AI, Kolobov AV, Kofanov ER, Fedotova OV, Egorova AY, Charushin VN, Chupakhin ON, Klimochkin YN, Osyanin VA, Reznikov AN, Fisyuk AS, Sagitullina GP, Aksenov AV, Aksenov NA, Grachev MK, Maslennikova VI, Koroteev MP, Brel’ AK, Lisina SV, Medvedeva SM, Shikhaliev KS, Suboch GA, Tovbis MS, Mironovich LM, Ivanov SM, Kurbatov SV, Kletskii ME, Burov ON, Kobrakov KI, Kuznetsov DN. Modern Trends of Organic Chemistry in Russian Universities. RUSSIAN JOURNAL OF ORGANIC CHEMISTRY 2018. [DOI: 10.1134/s107042801802001x] [Citation(s) in RCA: 62] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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13
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Schepetkin IA, Kirpotina LN, Mitchell PT, Kishkentaeva АS, Shaimerdenova ZR, Atazhanova GA, Adekenov SM, Quinn MT. The natural sesquiterpene lactones arglabin, grosheimin, agracin, parthenolide, and estafiatin inhibit T cell receptor (TCR) activation. PHYTOCHEMISTRY 2018; 146:36-46. [PMID: 29216473 PMCID: PMC5750123 DOI: 10.1016/j.phytochem.2017.11.010] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/22/2017] [Revised: 11/09/2017] [Accepted: 11/22/2017] [Indexed: 05/29/2023]
Abstract
Inhibition of the T cell receptor (TCR) pathway represents an effective strategy for the treatment of T cell-mediated inflammatory and autoimmune diseases. To identify natural compounds that could inhibit inflammatory T cell responses, we screened 13 sesquiterpene lactones, including achillin, arglabin, argolide, argracin, 3β-hydroxyarhalin, artesin, artemisinin, estafiatin, grosheimin, grossmisin, leucomisine, parthenolide, and taurine, for their ability to modulate activation-induced Ca2+ mobilization in Jurkat T cells. Five of the compounds (arglabin, grosheimin, argracin, parthenolide, and estafiatin) inhibited anti-CD3-induced mobilization of intercellular Ca2+ ([Ca2⁺]i) in Jurkat cells, with the most potent being parthenolide and argacin (IC50 = 5.6 and 6.1 μM, respectively). Likewise, phosphorylation of extracellular signal-regulated kinase (ERK) 1/2 in activated Jurkat cells was inhibited by these five compounds, with the most potent being parthenolide and estafiatin (IC50 = 13.8 and 15.4 μM, respectively). These compounds also inhibited ERK1/2 phosphorylation in primary human T cells and depleted intracellular glutathione. In contrast, none of the sesquiterpene lactones inhibited ERK1/2 phosphorylation in HL60 cells transfected with N-formyl peptide receptor 2 (FPR2) and stimulated with the FPR2 peptide agonist WKYMVM, indicating specificity for T cell activation. Estafiatin, a representative sesquiterpene lactone, was also profiled in a cell-based phosphokinase array for 43 kinase phosphorylation sites, as well as in a cell-free competition binding assay for its ability to compete with an active-site directed ligand for 95 different protein kinases. Besides inhibition of ERK1/2 phosphorylation, estafiatin also inhibited phosphorylation of p53, AMPKα1, CREB, and p27 elicited by TCR activation in Jurkat cells, but it did not bind to any of 95 kinases evaluated. These results suggest that arglabin, grosheimin, agracin, parthenolide, and estafiatin can selectively inhibit initial phases of TCR activation and may be natural compounds with previously undescribed immunotherapeutic properties.
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Affiliation(s)
- Igor A Schepetkin
- Department of Microbiology and Immunology, Montana State University, Bozeman, MT 59717, United States
| | - Liliya N Kirpotina
- Department of Microbiology and Immunology, Montana State University, Bozeman, MT 59717, United States
| | - Pete T Mitchell
- Department of Microbiology and Immunology, Montana State University, Bozeman, MT 59717, United States
| | - Аnarkul S Kishkentaeva
- International Research and Production Holding "Phytochemistry", Karaganda 100009, Kazakhstan
| | - Zhanar R Shaimerdenova
- International Research and Production Holding "Phytochemistry", Karaganda 100009, Kazakhstan
| | - Gayane A Atazhanova
- International Research and Production Holding "Phytochemistry", Karaganda 100009, Kazakhstan
| | - Sergazy M Adekenov
- International Research and Production Holding "Phytochemistry", Karaganda 100009, Kazakhstan
| | - Mark T Quinn
- Department of Microbiology and Immunology, Montana State University, Bozeman, MT 59717, United States.
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4-Aroyl-3-hydroxy-5-phenyl-1H-pyrrol-2(5H)-ones as N-formyl peptide receptor 1 (FPR1) antagonists. Biochem Pharmacol 2017; 142:120-132. [PMID: 28690139 DOI: 10.1016/j.bcp.2017.07.004] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2017] [Accepted: 07/05/2017] [Indexed: 11/22/2022]
Abstract
Formyl peptide receptors (FPRs) are expressed on a variety of leukocytes and play important roles in inflammation. Thus, FPR antagonists may represent novel therapeutics for modulating innate immunity and treating inflammatory diseases. Previously, 1H-pyrrol-2(5H)-ones were reported to be potent and competitive FPR1 antagonists. In the present studies, 42 additional 1H-pyrrol-2(5H)-one analogs were evaluated for FPR1 antagonist activity. We identified a number of novel competitive FPR1 antagonists that inhibited N-formylmethionyl-leucyl-phenylalanine (fMLF)-induced intracellular Ca2+ mobilization in FPR1-transfected HL60 cells and effectively competed with WKYMVm-FITC for binding to FPR1 in FPR1-transfected RBL cells. The most active pyrroles inhibited human neutrophil Ca2+ flux, chemotaxis, and adhesion to human epithelial cells, with the most potent being compounds 14 (4-benzoyl-1-hexyl-3-hydroxy-5-(4-hydroxy-3-methoxyphenyl)-2,5-dihydro-1H-pyrrol-2-one) and 17 (4-benzoyl-5-(2,5-dimethoxyphenyl)-3-hydroxy-1-(2-methoxyethyl)-2,5-dihydro-1H-pyrrol-2-one). In addition, these FPR1 antagonists inhibited fMLF-induced phosphorylation of extracellular signal-regulated kinases (ERK1/2) in FPR1-RBL cells, differentiated HL-60 cells, and human neutrophils. Most of the antagonists were specific for FPR1 and did not inhibit WKYMVM/WKYMVm-induced intracellular Ca2+ mobilization in FPR2-HL60 cells, FPR3-HL60 cells, or interleukin 8-induced Ca2+ flux in human neutrophils. Moreover, molecular modeling showed that the active pyrroles had a significantly higher degree of similarity with the FPR1 antagonist pharmacophore template as compared to inactive analogs. Thus, the 4-aroyl-3-hydroxy-5-phenyl-1H-pyrrol-2(5H)-one scaffold represents an important backbone for the development of novel FPR1 antagonists and could provide important clues for understanding the molecular structural requirements of FPR1 antagonists.
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15
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Low JN, Gomes LR, Gaspar A, Borges F. Structure of 7-hy-droxy-3-(2-meth-oxy-phen-yl)-2-tri-fluoro-meth-yl-4 H-chromen-4-one. Acta Crystallogr E Crystallogr Commun 2017; 73:1130-1134. [PMID: 28932421 PMCID: PMC5598833 DOI: 10.1107/s2056989017009896] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2017] [Accepted: 07/03/2017] [Indexed: 11/21/2022]
Abstract
Herein, the synthesis and crystal structure of 7-hy-droxy-3-(2-meth-oxy-phen-yl)-2-tri-fluoro-meth-yl-4H-chromen-4-one, C17H11F3O4, are reported. This isoflavone is used as a starting material in the preparation an array of potent and competitive FPR antagonists. The pyran ring significantly deviates from planarity and the dihedral angle between the benzo-pyran mean plane and that of the exocyclic benzene ring is 88.18 (4)°. In the crystal, O-H⋯O hydrogen bonds connect the mol-ecules into C(8) chains propagating in the [010] direction.
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Affiliation(s)
- John Nicolson Low
- Department of Chemistry, University of Aberdeen, Meston Walk, Old Aberdeen, AB24 3UE, Scotland
| | - Ligia R. Gomes
- FP-ENAS-Faculdade de Ciências de Saúde, Escola Superior de Saúde da UFP, Universidade Fernando Pessoa, Rua Carlos da Maia, 296, P-4200-150 Porto, Portugal
- REQUIMTE, Departamento de Química e Bioquímica, Faculdade de Ciências da Universidade do Porto, Rua do Campo Alegre, 687, P-4169-007, Porto, Portugal
| | - Alexandra Gaspar
- CIQ/Departamento de Quιmica e Bioquιmica, Faculdade de Ciências, Universidade do Porto, 4169-007 Porto, Portugal
| | - Fernanda Borges
- CIQ/Departamento de Quιmica e Bioquιmica, Faculdade de Ciências, Universidade do Porto, 4169-007 Porto, Portugal
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16
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He HQ, Ye RD. The Formyl Peptide Receptors: Diversity of Ligands and Mechanism for Recognition. Molecules 2017; 22:E455. [PMID: 28335409 PMCID: PMC6155412 DOI: 10.3390/molecules22030455] [Citation(s) in RCA: 165] [Impact Index Per Article: 23.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2017] [Accepted: 03/09/2017] [Indexed: 12/21/2022] Open
Abstract
The formyl peptide receptors (FPRs) are G protein-coupled receptors that transduce chemotactic signals in phagocytes and mediate host-defense as well as inflammatory responses including cell adhesion, directed migration, granule release and superoxide production. In recent years, the cellular distribution and biological functions of FPRs have expanded to include additional roles in homeostasis of organ functions and modulation of inflammation. In a prototype, FPRs recognize peptides containing N-formylated methionine such as those produced in bacteria and mitochondria, thereby serving as pattern recognition receptors. The repertoire of FPR ligands, however, has expanded rapidly to include not only N-formyl peptides from microbes but also non-formyl peptides of microbial and host origins, synthetic small molecules and an eicosanoid. How these chemically diverse ligands are recognized by the three human FPRs (FPR1, FPR2 and FPR3) and their murine equivalents is largely unclear. In the absence of crystal structures for the FPRs, site-directed mutagenesis, computer-aided ligand docking and structural simulation have led to the identification of amino acids within FPR1 and FPR2 that interact with several formyl peptides. This review article summarizes the progress made in the understanding of FPR ligand diversity as well as ligand recognition mechanisms used by these receptors.
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Affiliation(s)
- Hui-Qiong He
- School of Pharmacy, Shanghai Jiao Tong University, Shanghai 200240, China.
- Institute of Chinese Medical Sciences, University of Macau, Macau SAR 999078, China.
| | - Richard D Ye
- Institute of Chinese Medical Sciences, University of Macau, Macau SAR 999078, China.
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17
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Vergelli C, Schepetkin IA, Ciciani G, Cilibrizzi A, Crocetti L, Giovannoni MP, Guerrini G, Iacovone A, Kirpotina LN, Ye RD, Quinn MT. Synthesis of Five- and Six-Membered N-Phenylacetamido Substituted Heterocycles as Formyl Peptide Receptor Agonists. Drug Dev Res 2016; 78:49-62. [PMID: 27859446 DOI: 10.1002/ddr.21370] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2016] [Accepted: 10/12/2016] [Indexed: 12/18/2022]
Abstract
Preclinical Research Formyl peptide receptors (FPRs) are G-protein-coupled receptors that play an important role in the regulation of inflammatory process and cellular dysfunction. In humans, three different isoforms are expressed (FPR1, FPR2, and FPR3). FPR2 appears to be directly involved in the resolution of inflammation, an active process carried out by specific pro-resolving mediators that modulate specific receptors. Previously, we identified 2-arylacetamido pyridazin-3(2H)-ones as FPR1- or FPR2-selective agonists, as well as a large number of mixed-agonists for the three isoforms. Here, we report a new series of 2-arylacetamido pyridazinones substituted at position 5 and their development as FPR agonists. We also synthesized a new series of 2-oxothiazolones bearing a 4-bromophenylacetamido fragment, which was fundamental for activity in the pyridazinone series. The compounds of most interest were 4a, a potent, mixed FPR agonist recognized by all three isotypes (FPR1 EC50 = 19 nM, FPR2 EC50 = 43 nM, FPR3 EC50 = 40 nM), and 4b, which had potent activity and a preference for FPR2 (EC50 = 13 nM). These novel compounds may represent valuable tools for studying FPR activation and signaling. Drug Dev Res 78 : 49-62, 2017. © 2016 Wiley Periodicals, Inc.
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Affiliation(s)
- Claudia Vergelli
- Department of NEUROFARBA, Sezione di Farmaceutica e Nutraceutica, Università degli Studi di Firenze, Via Ugo Schiff 6, Sesto, Fiorentino, 50019, Italy
| | - Igor A Schepetkin
- Department of Microbiology and Immunology, Montana State University, Bozeman, Montana 59717
| | - Giovanna Ciciani
- Department of NEUROFARBA, Sezione di Farmaceutica e Nutraceutica, Università degli Studi di Firenze, Via Ugo Schiff 6, Sesto, Fiorentino, 50019, Italy
| | - Agostino Cilibrizzi
- Department of Chemistry, Imperial College London, South Kensington, London, SW7 2AZ, United Kingdom
| | - Letizia Crocetti
- Department of NEUROFARBA, Sezione di Farmaceutica e Nutraceutica, Università degli Studi di Firenze, Via Ugo Schiff 6, Sesto, Fiorentino, 50019, Italy
| | - Maria Paola Giovannoni
- Department of NEUROFARBA, Sezione di Farmaceutica e Nutraceutica, Università degli Studi di Firenze, Via Ugo Schiff 6, Sesto, Fiorentino, 50019, Italy
| | - Gabriella Guerrini
- Department of NEUROFARBA, Sezione di Farmaceutica e Nutraceutica, Università degli Studi di Firenze, Via Ugo Schiff 6, Sesto, Fiorentino, 50019, Italy
| | - Antonella Iacovone
- Department of NEUROFARBA, Sezione di Farmaceutica e Nutraceutica, Università degli Studi di Firenze, Via Ugo Schiff 6, Sesto, Fiorentino, 50019, Italy
| | - Liliya N Kirpotina
- Department of Microbiology and Immunology, Montana State University, Bozeman, Montana 59717
| | - Richard D Ye
- Institute of Chinese Medical Sciences, University of Macau, Macau, China
| | - Mark T Quinn
- Department of Microbiology and Immunology, Montana State University, Bozeman, Montana 59717
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Tsai YF, Yang SC, Hwang TL. Formyl peptide receptor modulators: a patent review and potential applications for inflammatory diseases (2012-2015). Expert Opin Ther Pat 2016; 26:1139-1156. [PMID: 27454150 DOI: 10.1080/13543776.2016.1216546] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
INTRODUCTION The activation of leukocytes and the subsequent immune cascade play an essential role in sterile and infectious inflammation. Dysregulation of these immune responses or excess leukocyte activation can induce tissue damage, organ dysfunction and mortality. Formyl peptide receptors (FPRs) are functionally diverse pattern recognition receptors responsible for recognizing different endogenous damage-associated molecular patterns or exogenous pathogen-associated molecular patterns. FPRs mediate leukocyte activation during inflammation. FPR1 antagonists and FPR2 agonists have demonstrated significant anti-inflammatory effects based on in vitro and in vivo studies. An increasing number of synthesized compounds targeting FPRs, especially potential FPR1 antagonists and FPR2 agonists, have been disclosed in patents. Areas covered: This article summarizes the current pharmacology patents related to FPR family modulators and their therapeutic indications based on a review of patent applications disclosed between 2012 and 2015. Expert opinion: In this review, FPR1 modulators comprise β-1,3-glucan synthase inhibitors containing an FPR ligand moiety, template-fixed peptidomimetics, cyclosporin H, and dipeptide derivatives. FPR2 modulators include phenylurea, bridged spiro[2.4]heptane ester, naphthalene, aminotriazole, polycyclic pyrrolidine-2,5-dione, imidazolidine-2,4-dione, (2-ureidoacetamido)alkyl, amide, oxazolyl-methylether, oxazole, thiazole, and crystalline potassium salt derivatives. These compounds have potential applications for human conditions such as inflammatory lung diseases, ischemia-reperfusion injury, sepsis, inflammatory bowel disease, and wound healing. FPRs are emerging as important targets for treating leukocyte-dominant inflammation.
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Affiliation(s)
- Yung-Fong Tsai
- a Graduate Institute of Natural Products, School of Traditional Medicine, College of Medicine , Chang Gung University , Taoyuan , Taiwan.,b Graduate Institute of Clinical Medical Sciences, College of Medicine , Chang Gung University , Taoyuan , Taiwan.,c Department of Anesthesiology , Chang Gung Memorial Hospital , Taoyuan , Taiwan
| | - Shun-Chin Yang
- d Department of Anesthesiology , Taipei Veterans General Hospital and National Yang-Ming University , Taipei , Taiwan.,e Division of Natural Products, Graduate Institute of Biomedical Sciences, College of Medicine , Chang Gung University , Taoyuan , Taiwan
| | - Tsong-Long Hwang
- a Graduate Institute of Natural Products, School of Traditional Medicine, College of Medicine , Chang Gung University , Taoyuan , Taiwan.,c Department of Anesthesiology , Chang Gung Memorial Hospital , Taoyuan , Taiwan.,e Division of Natural Products, Graduate Institute of Biomedical Sciences, College of Medicine , Chang Gung University , Taoyuan , Taiwan.,f Chinese Herbal Medicine Research Team, Healthy Aging Research Centre , Chang Gung University , Taoyuan , Taiwan.,g Research Center for Industry of Human Ecology and Graduate Institute of Health Industry Technology , Chang Gung University of Science and Technology , Taoyuan , Taiwan
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19
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Vergelli C, Schepetkin IA, Ciciani G, Cilibrizzi A, Crocetti L, Giovannoni MP, Guerrini G, Iacovone A, Kirpotina LN, Khlebnikov AI, Ye RD, Quinn MT. 2-Arylacetamido-4-phenylamino-5-substituted pyridazinones as formyl peptide receptors agonists. Bioorg Med Chem 2016; 24:2530-2543. [PMID: 27134116 PMCID: PMC5055850 DOI: 10.1016/j.bmc.2016.04.019] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2016] [Revised: 04/01/2016] [Accepted: 04/08/2016] [Indexed: 10/22/2022]
Abstract
N-Formyl peptide receptors (FPRs: FPR1, FPR2, and FPR3) are G protein-coupled receptors that play key roles in modulating immune cells. FPRs represent potentially important therapeutic targets for the development of drugs that could enhance endogenous anti-inflammation systems associated with various pathologies, thereby reducing the progression of inflammatory conditions. Previously, we identified 2-arylacetamide pyridazin-3(2H)-ones as FPR1- or FPR2-selective agonists, as well as a large number of FPR1/FPR2-dual agonists and several mixed-agonists for the three FPR isoforms. Here, we report a new series of 2-arylacetamido-4-aniline pyridazin-3(2H)-ones substituted in position 5 as a further development of these FPR agonists. Chemical manipulation presented in this work resulted in mixed FPR agonists 8a, 13a and 27b, which had EC50 values in nanomolar range. In particular, compound 8a showed a preference for FPR1 (EC50=45nM), while 13a and 27b showed a moderate preference for FPR2 (EC50=35 and 61nM, respectively). Thus, these compounds may represent valuable tools for studying FPR activation and signaling.
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Affiliation(s)
- Claudia Vergelli
- Dipartimento di NEUROFARBA, Sezione di Farmaceutica e Nutraceutica, Università degli Studi di Firenze, Via Ugo Schiff 6, 50019 Sesto Fiorentino, Firenze, Italy
| | - Igor A Schepetkin
- Department of Microbiology and Immunology, Montana State University, Bozeman, MT 59717, USA
| | - Giovanna Ciciani
- Dipartimento di NEUROFARBA, Sezione di Farmaceutica e Nutraceutica, Università degli Studi di Firenze, Via Ugo Schiff 6, 50019 Sesto Fiorentino, Firenze, Italy
| | - Agostino Cilibrizzi
- Department of Chemistry, Imperial College London, South Kensington, London SW7 2AZ, UK
| | - Letizia Crocetti
- Dipartimento di NEUROFARBA, Sezione di Farmaceutica e Nutraceutica, Università degli Studi di Firenze, Via Ugo Schiff 6, 50019 Sesto Fiorentino, Firenze, Italy
| | - Maria Paola Giovannoni
- Dipartimento di NEUROFARBA, Sezione di Farmaceutica e Nutraceutica, Università degli Studi di Firenze, Via Ugo Schiff 6, 50019 Sesto Fiorentino, Firenze, Italy.
| | - Gabriella Guerrini
- Dipartimento di NEUROFARBA, Sezione di Farmaceutica e Nutraceutica, Università degli Studi di Firenze, Via Ugo Schiff 6, 50019 Sesto Fiorentino, Firenze, Italy
| | - Antonella Iacovone
- Dipartimento di NEUROFARBA, Sezione di Farmaceutica e Nutraceutica, Università degli Studi di Firenze, Via Ugo Schiff 6, 50019 Sesto Fiorentino, Firenze, Italy
| | - Liliya N Kirpotina
- Department of Microbiology and Immunology, Montana State University, Bozeman, MT 59717, USA
| | - Andrei I Khlebnikov
- Department of Biotechnology and Organic Chemistry, Tomsk Polytechnic University, Tomsk 634050, Russia; Department of Chemistry, Altai State Technical University, Barnaul, Russia
| | - Richard D Ye
- Institute of Chinese Medical Sciences, University of Macau, Macau
| | - Mark T Quinn
- Department of Microbiology and Immunology, Montana State University, Bozeman, MT 59717, USA
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Schepetkin IA, Khlebnikov AI, Kirpotina LN, Quinn MT. Antagonism of human formyl peptide receptor 1 with natural compounds and their synthetic derivatives. Int Immunopharmacol 2015; 37:43-58. [PMID: 26382576 DOI: 10.1016/j.intimp.2015.08.036] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2015] [Revised: 08/25/2015] [Accepted: 08/28/2015] [Indexed: 12/18/2022]
Abstract
Formyl peptide receptor 1 (FPR1) regulates a wide variety of neutrophil functional responses and plays an important role in inflammation and the pathogenesis of various diseases. To date, a variety of natural and synthetic molecules have been identified as FPR1 ligands. Here, we review current knowledge on natural products and natural product-inspired small molecules reported to antagonize and/or inhibit the FPR1-mediated responses. Based on this literature, additional screening of selected commercially available natural compounds for their ability to inhibit fMLF-induced Ca(2+) mobilization in human neutrophils and FPR1 transfected HL-60 cells, and pharmacophore modeling, natural products with potential as FPR1 antagonists are considered and discussed in this review. The identification and characterization of natural products that antagonize FPR1 activity may have potential for the development of novel therapeutics to limit or alter the outcome of inflammatory processes.
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Affiliation(s)
- Igor A Schepetkin
- Department of Microbiology and Immunology, Montana State University, Bozeman, MT 59717, United States
| | - Andrei I Khlebnikov
- Department of Biotechnology and Organic Chemistry, Tomsk Polytechnic University, Tomsk 634050, Russia; Department of Chemistry, Altai State Technical University, Barnaul, Russia
| | - Liliya N Kirpotina
- Department of Microbiology and Immunology, Montana State University, Bozeman, MT 59717, United States
| | - Mark T Quinn
- Department of Microbiology and Immunology, Montana State University, Bozeman, MT 59717, United States.
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Schepetkin IA, Kushnarenko SV, Özek G, Kirpotina LN, Utegenova GA, Kotukhov YA, Danilova AN, Özek T, Başer KHC, Quinn MT. Inhibition of Human Neutrophil Responses by the Essential Oil of Artemisia kotuchovii and Its Constituents. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2015; 63:4999-5007. [PMID: 25959257 PMCID: PMC4479122 DOI: 10.1021/acs.jafc.5b01307] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/14/2023]
Abstract
Essential oils were obtained by hydrodistillation of the flowers+leaves and stems of Artemisia kotuchovii Kupr. (AKEO(f+l) and AKEO(stm), respectively) and analyzed by gas chromatography (GC) and gas chromatography-mass spectrometry (GC-MS). The primary components of the oils were estragole, (E)- and (Z)-β-ocimenes, methyleugenol, limonene, spathulenol, β-pinene, myrcene, and (E)-methyl cinnamate. Seventy-four constituents were present at concentrations from 0.1 to 1.0%, and 34 compounds were identified in trace (<0.1%) amounts in one or both plant components. Screening of the essential oils for biological activity showed that AKEO(stm), but not AKEOf+l, inhibited N-formyl-Met-Leu-Phe (fMLF)-stimulated Ca(2+) flux and chemotaxis and phorbol-12-myristate-13-acetate (PMA)-induced reactive oxygen species (ROS) production in human neutrophils. Selected pure constituents, representing >96% of the AKEO(stm) composition, were also tested in human neutrophils and HL-60 cells transfected with N-formyl peptide receptor 1 (FPR1). One component, 6-methyl-3,5-heptadien-2-one (MHDO), inhibited fMLF- and interleukin 8 (IL-8)-stimulated Ca(2+) flux, fMLF-induced chemotaxis, and PMA-induced ROS production in human neutrophils. MHDO also inhibited fMLF-induced Ca(2+) flux in FPR1-HL60 cells. These results suggest that MHDO may be effective in modulating some innate immune responses, possibly by inhibition of neutrophil migration and ROS production.
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Affiliation(s)
- Igor A Schepetkin
- †Department of Microbiology and Immunology, Montana State University, Bozeman, Montana 59717, United States
| | | | - Gulmira Özek
- #Department of Pharmacognosy, Faculty of Pharmacy, Anadolu University, Eskisehir 26470, Turkey
| | - Liliya N Kirpotina
- †Department of Microbiology and Immunology, Montana State University, Bozeman, Montana 59717, United States
| | - Gulzhakhan A Utegenova
- §Institute of Plant Biology and Biotechnology, Almaty 050040, Republic of Kazakhstan
- ΔFaculty of Biology and Biotechnology, Al-Farabi Kazakh National University, 71 al-Farabi Avenue, 050038 Almaty, Republic of Kazakhstan
| | | | | | - Temel Özek
- #Department of Pharmacognosy, Faculty of Pharmacy, Anadolu University, Eskisehir 26470, Turkey
| | - K Hüsnü Can Başer
- #Department of Pharmacognosy, Faculty of Pharmacy, Anadolu University, Eskisehir 26470, Turkey
- ○Botany and Microbiology Department, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | - Mark T Quinn
- †Department of Microbiology and Immunology, Montana State University, Bozeman, Montana 59717, United States
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