1
|
Sun C, Jiang Y, Li C, Sun S, Lin J, Wang W, Zhou L, Li L, Shah M, Che Q, Zhang G, Wang D, Zhu T, Li D. Discovery, Total Synthesis, and Anti-Inflammatory Evaluation of Naturally Occurring Naphthopyrone-Macrolide Hybrids as Potent NLRP3 Inflammasome Inhibitors. Angew Chem Int Ed Engl 2024; 63:e202405860. [PMID: 38837604 DOI: 10.1002/anie.202405860] [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: 03/26/2024] [Revised: 06/02/2024] [Accepted: 06/04/2024] [Indexed: 06/07/2024]
Abstract
Numerous clinical disorders have been linked to the etiology of dysregulated NLRP3 (NACHT, LRR, and PYD domain-containing protein 3) inflammasome activation. Despite its potential as a pharmacological target, modulation of NLRP3 activity remains challenging. Only a sparse number of compounds have been reported that can modulate NLRP3 and none of them have been developed into a commercially available drug. In this research, we identified three potent NLRP3 inflammasome inhibitors, gymnoasins A-C (1-3), with unprecedented pentacyclic scaffolds, from an Antarctic fungus Pseudogymnoascus sp. HDN17-895, which represent the first naturally occurring naphthopyrone-macrolide hybrids. Additionally, biomimetic synthesis of gymnoasin A (1) was also achieved validating the chemical structure and affording ample amounts of material for exhaustive bioactivity assessments. Biological assays indicated that 1 could significantly inhibited in vitro NLRP3 inflammasome activation and in vivo pro-inflammatory cytokine IL-1β release, representing a valuable new lead compound for the development of novel therapeutics with the potential to inhibit the NLRP3 inflammasome.
Collapse
Affiliation(s)
- Chunxiao Sun
- Key Laboratory of Marine Drugs, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao, 266100, China
| | - Yuqi Jiang
- Key Laboratory of Marine Drugs, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao, 266100, China
- Laboratory for Marine Drugs and Bioproducts, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266237, China
- Marine Biomedical Research Institute of Qingdao, Qingdao, Shandong, 266071, China
| | - Changlong Li
- Key Laboratory of Marine Drugs, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao, 266100, China
| | - Simin Sun
- Key Laboratory of Marine Drugs, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao, 266100, China
| | - Jiaqi Lin
- Key Laboratory of Marine Drugs, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao, 266100, China
| | - Wenxue Wang
- Key Laboratory of Marine Drugs, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao, 266100, China
| | - Luning Zhou
- Key Laboratory of Marine Drugs, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao, 266100, China
| | - Liping Li
- Key Laboratory of Marine Drugs, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao, 266100, China
| | - Mudassir Shah
- Department of Pharmacy, Abbottabad University of Science and Technology, Havellian, District, Abbottabad, 22010 KPK, Pakistan
| | - Qian Che
- Key Laboratory of Marine Drugs, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao, 266100, China
| | - Guojian Zhang
- Key Laboratory of Marine Drugs, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao, 266100, China
- Laboratory for Marine Drugs and Bioproducts, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266237, China
- Marine Biomedical Research Institute of Qingdao, Qingdao, Shandong, 266071, China
| | - De Wang
- Key Laboratory of Marine Drugs, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao, 266100, China
- Laboratory for Marine Drugs and Bioproducts, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266237, China
- Marine Biomedical Research Institute of Qingdao, Qingdao, Shandong, 266071, China
| | - Tianjiao Zhu
- Key Laboratory of Marine Drugs, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao, 266100, China
| | - Dehai Li
- Key Laboratory of Marine Drugs, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao, 266100, China
- Laboratory for Marine Drugs and Bioproducts, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266237, China
- Marine Biomedical Research Institute of Qingdao, Qingdao, Shandong, 266071, China
| |
Collapse
|
2
|
Castillo-Arellano J, Stryker Z, Wyatt MD, León F. Synthesis and Monoamine Oxidase Inhibitory Activity of Halogenated Flavones. ACS Med Chem Lett 2024; 15:610-618. [PMID: 38746894 PMCID: PMC11089559 DOI: 10.1021/acsmedchemlett.3c00573] [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: 12/22/2023] [Revised: 03/26/2024] [Accepted: 03/29/2024] [Indexed: 06/16/2024] Open
Abstract
Small molecule neurotransmitters containing amines are metabolized by monoamine oxidase (MAO) in the nervous system. Monoamine oxidase inhibitors are a valuable class of drugs prescribed for the management of neurological disorders, including depression. A series of halogenated flavonoids similar to the dietary flavonoid acacetin were designed as selective MAO-B inhibitors. MAO-A and -B inhibition of 36 halogenated flavones were tested. The halogens (fluorine and chlorine) were placed at positions 5 and 7 on ring A of the flavone scaffold. All compounds were selective MAO-B inhibitors with micro- and nanomolar IC50 values. Compounds 9f, 10a-c, 11a-c, 11g,h, and 11l displayed inhibitory activity toward MAO-B with IC50 values between 16 to 74 nM. We conclude that halogenated flavonoids are promising molecules in pursuit of developing new agents for neurological disorders.
Collapse
Affiliation(s)
- Jorge
I. Castillo-Arellano
- Department
of Drug Discovery and Biomedical Sciences, College of Pharmacy, University of South Carolina, Columbia, South Carolina 29208, United States
| | - Zachary Stryker
- Department
of Drug Discovery and Biomedical Sciences, College of Pharmacy, University of South Carolina, Columbia, South Carolina 29208, United States
| | - Michael D. Wyatt
- Department
of Drug Discovery and Biomedical Sciences, College of Pharmacy, University of South Carolina, Columbia, South Carolina 29208, United States
| | - Francisco León
- Department
of Drug Discovery and Biomedical Sciences, College of Pharmacy, University of South Carolina, Columbia, South Carolina 29208, United States
| |
Collapse
|
3
|
Inai M, Oguri Y, Horikawa M, Kaku H, Suzuki S, Kitamura K, Tsunoda T. Total Syntheses and Cytotoxic Evaluations of Cryptolactones A 1, A 2, B 1, B 2, and Their Derivatives. Chem Pharm Bull (Tokyo) 2020; 68:380-383. [PMID: 32238655 DOI: 10.1248/cpb.c19-01114] [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: 11/22/2022]
Abstract
The cryptolactones A1, A2, B1, and B2 isolated from a Cryptomyzus sp. aphid were synthesized via the Mukaiyama aldol reaction and olefin metathesis. Their antipodes and derivatives were also synthesized by the same strategy to investigate structure-activity relationships. These compounds exhibited cytotoxic activity against human promyelocytic leukemia HL-60 cells with IC50 values of 2.1-42 µM.
Collapse
Affiliation(s)
- Makoto Inai
- School of Pharmaceutical Sciences, University of Shizuoka
| | - Yuki Oguri
- Faculty of Pharmaceutical Sciences, Tokushima Bunri University
| | | | - Hiroto Kaku
- Faculty of Pharmaceutical Sciences, Tokushima Bunri University
| | - Shinya Suzuki
- Faculty of Pharmaceutical Sciences, Tokushima Bunri University
| | - Kei Kitamura
- Faculty of Pharmaceutical Sciences, Tokushima Bunri University
| | - Tetsuto Tsunoda
- Faculty of Pharmaceutical Sciences, Tokushima Bunri University
| |
Collapse
|
4
|
Horikawa M, Shimazu M, Aibe M, Kaku H, Inai M, Tsunoda T. A role of uroleuconaphins, polyketide red pigments in aphid, as a chemopreventor in the host defense system against infection with entomopathogenic fungi. J Antibiot (Tokyo) 2018; 71:992-999. [PMID: 30127422 DOI: 10.1038/s41429-018-0093-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2018] [Revised: 08/01/2018] [Accepted: 08/04/2018] [Indexed: 11/09/2022]
Abstract
Four red polyketide pigments, uroleuconaphins A1 (1) and B1 (2) and their glucosides 3 and 4, were isolated from the red goldenrod aphid Uroleucon nigrotuberculatum. Although these red pigments exist only as glucosides 3 and 4 in the intact insect body, 3 and 4 convert instantly to aglycones 1 and 2 at death. Pigments 1 and 2 inhibited the growth of Lecanicillium sp. (Ascomycota: Cordycipitaceae) and 1, 2, and 3 were active against Conidiobolus obscurus (Entomophthoromycota; Entomophthorales); these fungal species are pathogenic. We therefore regard aphid pigments 1-4 as chemopreventive agents that aid in the resistance of infection by entomopathogenic fungi at the level of the individual aphid and/or at the species level.
Collapse
Affiliation(s)
- Mitsuyo Horikawa
- Faculty of Pharmaceutical Sciences, Tokushima Bunri University, 180 Yamashiro-cho, Tokushima, 770-8514, Japan.
| | - Mitsuaki Shimazu
- Forestry and Forest Products Research Institute (FFPRI), 1 Matsunosato, Tsukuba, Ibaraki, 305-8687, Japan
| | - Maki Aibe
- Faculty of Pharmaceutical Sciences, Tokushima Bunri University, 180 Yamashiro-cho, Tokushima, 770-8514, Japan
| | - Hiroto Kaku
- Faculty of Pharmaceutical Sciences, Tokushima Bunri University, 180 Yamashiro-cho, Tokushima, 770-8514, Japan
| | - Makoto Inai
- School of Pharmaceutical Sciences University of Shizuoka, 52-1 Yada, Suruga-ku, Shizuoka, 422-8526, Japan
| | - Tetsuto Tsunoda
- Faculty of Pharmaceutical Sciences, Tokushima Bunri University, 180 Yamashiro-cho, Tokushima, 770-8514, Japan.
| |
Collapse
|
5
|
Tsuchida T. Molecular basis and ecological relevance of aphid body colors. CURRENT OPINION IN INSECT SCIENCE 2016; 17:74-80. [PMID: 27720077 DOI: 10.1016/j.cois.2016.07.005] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/26/2016] [Revised: 07/22/2016] [Accepted: 07/27/2016] [Indexed: 06/06/2023]
Abstract
Aphids are small phloem sap-feeding insects, and show color polymorphism even within the same species. Crossing experiments have revealed the inheritance pattern of the body color. Coloration of aphids is determined by mainly three pigments, melanin, carotenoid, and aphin, and is influenced by both abiotic and biotic environmental factors. Aphid body colors also seem to correspond with specific biological functions under various environments. Partly due to the presence of natural enemies in the environment, a variety of physiological and behavioral responses have evolved in each color form. Thus, predation is one of the most significant external factors for maintaining body color polymorphisms. In addition, endosymbiont infections also influence aphid body color and prey-predator interactions. However, many unsolved questions remain regarding the molecular basis for and biological functions of aphid body colors. Further work, including the development of molecular techniques for comprehensive functional analysis, is needed in these areas.
Collapse
Affiliation(s)
- Tsutomu Tsuchida
- Graduate School of Science and Engineering, University of Toyama, 3190 Gofuku, Toyama 930-0887, Japan.
| |
Collapse
|
6
|
Horikawa M, Inai M, Oguri Y, Kuroda E, Tanaka M, Suzuki S, Ito T, Takahashi S, Kaku H, Tsunoda T. Isolation and total syntheses of cytotoxic cryptolactones A1, A2, B1, and B2: α,β-unsaturated δ-lactones from a Cryptomyzus sp. aphid. JOURNAL OF NATURAL PRODUCTS 2014; 77:2459-2464. [PMID: 25353976 DOI: 10.1021/np500542x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
The cryptolactones A1, A2, B1, and B2, which are α,β-unsaturated δ-lactones, were isolated from a Cryptomyzus sp. aphid. The structures were established by 1-D and 2-D NMR spectra and CI-HRMS. Their absolute configurations were determined with the Kusumi-Mosher method, combined with asymmetric total syntheses. The syntheses were accomplished with the Mukaiyama aldol reaction and olefin metathesis, which utilized the second-generation Grubbs catalyst for the key steps. These compounds exhibited cytotoxic activity against human promyelocytic leukemia HL-60 cells with IC50 values of 0.97-5.3 μM.
Collapse
Affiliation(s)
- Mitsuyo Horikawa
- Faculty of Pharmaceutical Sciences, Tokushima Bunri University , Tokushima 770-8514, Japan
| | | | | | | | | | | | | | | | | | | |
Collapse
|