1
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Meerod T, Sangsuwan R, Klumthong K, Chantrathonkul B, Phutubtim N, Govitrapong P, Ruchirawat S, Ploypradith P, Sopha P. Cytotoxic stress caused by azalamellarin D (AzaD) interferes with cellular protein translation by targeting the nutrient-sensing kinase mTOR. J Biochem 2024; 176:139-153. [PMID: 38669682 DOI: 10.1093/jb/mvae038] [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: 06/26/2023] [Revised: 04/12/2024] [Accepted: 04/17/2024] [Indexed: 04/28/2024] Open
Abstract
Analogs of pyrrole alkaloid lamellarins exhibit anticancer activity by modulating multiple cellular events. Lethal doses of several lamellarins were found to enhance autophagy flux in HeLa cells, suggesting that lamellarins may modulate protein homeostasis through the interference of proteins or kinases controlling energy and nutrient metabolism. To further delineate molecular mechanisms and their targets, our results herein show that azalamellarin D (AzaD) cytotoxicity could cause translational attenuation, as indicated by a change in eIF2α phosphorylation. Intriguingly, acute AzaD treatment promoted the phosphorylation of GCN2, a kinase that transduces the integrated stress response (ISR), and prolonged exposure to AzaD could increase the levels of the phosphorylated forms of eIF2α and the other ISR kinase protein kinase R (PKR). However, the effects of AzaD on ISR signalling were marginally abrogated in cells with genetic deletion of GCN2 and PKR, and evaluation of protein target engagement by cellular thermal shift assay (CETSA) revealed no significant interaction between AzaD and ISR kinases. Further investigation revealed that acute AzaD treatment negatively affected mechanistic target of rapamycin (mTOR) phosphorylation and signalling. The analyses by CETSA and computational modelling indicated that mTOR may be a possible protein target for AzaD. These findings indicate the potential for developing lamellarins as novel agents for cancer treatment.
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Affiliation(s)
- Tirawit Meerod
- Program in Applied Biological Sciences: Environmental Health, Chulabhorn Graduate Institute, 906 Kamphaeng Phet 6 Road, Lak Si, Bangkok 10210, Thailand
| | - Rapeepat Sangsuwan
- Laboratory of Natural Products, Chulabhorn Research Institute, 54 Kamphaeng Phet 6 Road, Lak Si, Bangkok 10210, Thailand
| | - Kanawut Klumthong
- Program in Chemical Sciences, Chulabhorn Graduate Institute, 906 Kamphaeng Phet 6 Road, Lak Si, Bangkok 10210, Thailand
| | - Bunkuea Chantrathonkul
- Laboratory of Medicinal Chemistry, Chulabhorn Research Institute, 54 Kamphaeng Phet 6 Road, Lak Si, Bangkok 10210, Thailand
| | - Nadgrita Phutubtim
- Program in Applied Biological Sciences: Environmental Health, Chulabhorn Graduate Institute, 906 Kamphaeng Phet 6 Road, Lak Si, Bangkok 10210, Thailand
| | - Piyarat Govitrapong
- Program in Applied Biological Sciences: Environmental Health, Chulabhorn Graduate Institute, 906 Kamphaeng Phet 6 Road, Lak Si, Bangkok 10210, Thailand
| | - Somsak Ruchirawat
- Program in Chemical Sciences, Chulabhorn Graduate Institute, 906 Kamphaeng Phet 6 Road, Lak Si, Bangkok 10210, Thailand
- Laboratory of Medicinal Chemistry, Chulabhorn Research Institute, 54 Kamphaeng Phet 6 Road, Lak Si, Bangkok 10210, Thailand
- Center of Excellence on Environmental Health and Toxicology, Office of the Permanent Secretary (OPS), Ministry of Higher Education, Science, Research and Innovation (MHESI), Rama VI Road, Ratchadevi, Bangkok 10400, Thailand
| | - Poonsakdi Ploypradith
- Program in Chemical Sciences, Chulabhorn Graduate Institute, 906 Kamphaeng Phet 6 Road, Lak Si, Bangkok 10210, Thailand
- Laboratory of Medicinal Chemistry, Chulabhorn Research Institute, 54 Kamphaeng Phet 6 Road, Lak Si, Bangkok 10210, Thailand
- Center of Excellence on Environmental Health and Toxicology, Office of the Permanent Secretary (OPS), Ministry of Higher Education, Science, Research and Innovation (MHESI), Rama VI Road, Ratchadevi, Bangkok 10400, Thailand
| | - Pattarawut Sopha
- Program in Applied Biological Sciences: Environmental Health, Chulabhorn Graduate Institute, 906 Kamphaeng Phet 6 Road, Lak Si, Bangkok 10210, Thailand
- Center of Excellence on Environmental Health and Toxicology, Office of the Permanent Secretary (OPS), Ministry of Higher Education, Science, Research and Innovation (MHESI), Rama VI Road, Ratchadevi, Bangkok 10400, Thailand
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2
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Wei M, Chen J, Song Y, Monserrat JP, Zhang Y, Shen L. Progress on synthesis and structure-activity relationships of lamellarins over the past decade. Eur J Med Chem 2024; 269:116294. [PMID: 38508119 DOI: 10.1016/j.ejmech.2024.116294] [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: 12/25/2023] [Revised: 02/28/2024] [Accepted: 02/28/2024] [Indexed: 03/22/2024]
Abstract
Lamellarins are polyaromatic alkaloids isolated from marine organisms, including mollusks, tunicates, and sponges. Currently, over 60 structurally distinct natural lamellarins have been reported, and most of them exhibit promising biological activities, such as topoisomerase inhibition, mitochondrial function inhibition, multidrug resistance reversing, and anti-HIV activity. There has also been a significant progress on the synthetic study of lamellarins which has been regularly updated by numerous medicinal chemists as well. This review provides a detailed summary of the synthesis, pharmacology, and structural modification of lamellarins over the past decades.
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Affiliation(s)
- Mingze Wei
- School of Pharmaceutical Science, Zhejiang Chinese Medical University, 310061, Hangzhou, China
| | - Jing Chen
- School of Pharmaceutical Science, Zhejiang Chinese Medical University, 310061, Hangzhou, China
| | - Yuliang Song
- School of Pharmaceutical Science, Zhejiang Chinese Medical University, 310061, Hangzhou, China
| | | | - Yongmin Zhang
- Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire, UMR 8232, 4 place Jussieu, 75005 Paris, France
| | - Li Shen
- School of Pharmaceutical Science, Zhejiang Chinese Medical University, 310061, Hangzhou, China.
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3
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Zhang X, Song X, Ni Q. Organocatalytic regio- and enantioselective C1-arylation of β,γ-alkynyl-α-imino esters with pyrrolo[2,1- a]isoquinolines. Chem Commun (Camb) 2024; 60:831-834. [PMID: 38131183 DOI: 10.1039/d3cc04946a] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2023]
Abstract
We herein report regio- and enantioselective arylation of β,γ-alkynyl-α-imino esters with pyrroloisoquinolines. Using chiral phosphoric acid catalysts, a wide range of novel axially chiral tetrasubstituted α-amino allenoates were accessed in good yields with excellent enantioselectivities. Notably, this transformation occurred preferentially at the sterically more hindered C1-position of pyrroloisoquinolines. The potential scalability and late-stage functionalization demonstrated the utility of the current protocol.
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Affiliation(s)
- Xuan Zhang
- College of Chemistry and Materials Science, Key Laboratory of Functionalized Molecular Solids, Ministry of Education, Anhui Laboratory of Molecule-Based Materials, Anhui Normal University, Wuhu, Anhui 241002, P. R. China.
| | - Xiaoxiao Song
- College of Chemistry and Materials Science, Key Laboratory of Functionalized Molecular Solids, Ministry of Education, Anhui Laboratory of Molecule-Based Materials, Anhui Normal University, Wuhu, Anhui 241002, P. R. China.
| | - Qijian Ni
- College of Chemistry and Materials Science, Key Laboratory of Functionalized Molecular Solids, Ministry of Education, Anhui Laboratory of Molecule-Based Materials, Anhui Normal University, Wuhu, Anhui 241002, P. R. China.
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4
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Dzedulionytė K, Fuxreiter N, Schreiber-Brynzak E, Žukauskaitė A, Šačkus A, Pichler V, Arbačiauskienė E. Pyrazole-based lamellarin O analogues: synthesis, biological evaluation and structure-activity relationships. RSC Adv 2023; 13:7897-7912. [PMID: 36909769 PMCID: PMC9999251 DOI: 10.1039/d3ra00972f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Accepted: 03/01/2023] [Indexed: 03/12/2023] Open
Abstract
A library of pyrazole-based lamellarin O analogues was synthesized from easily accessible 3(5)-aryl-1H-pyrazole-5(3)-carboxylates which were subsequently modified by bromination, N-alkylation and Pd-catalysed Suzuki cross-coupling reactions. Synthesized ethyl and methyl 3,4-diaryl-1-(2-aryl-2-oxoethyl)-1H-pyrazole-5-carboxylates were evaluated for their physicochemical property profiles and in vitro cytotoxicity against three human colorectal cancer cell lines HCT116, HT29, and SW480. The most active compounds inhibited cell proliferation in a low micromolar range. Selected ethyl 3,4-diaryl-1-(2-aryl-2-oxoethyl)-1H-pyrazole-5-carboxylates were further investigated for their mode of action. Results of combined viability staining via Calcein AM/Hoechst/PI and fluorescence-activated cell sorting data indicated that cell death was triggered in a non-necrotic manner mediated by mainly G2/M-phase arrest.
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Affiliation(s)
- Karolina Dzedulionytė
- Department of Organic Chemistry, Faculty of Chemical Technology, Kaunas University of Technology Radvilėnų pl. 19 LT-50254 Kaunas Lithuania
| | - Nina Fuxreiter
- Department of Pharmaceutical Sciences, Division of Pharmaceutical Chemistry, Faculty of Life Sciences, University of Vienna Althanstraße 14 1090 Vienna Austria
| | - Ekaterina Schreiber-Brynzak
- Department of Pharmaceutical Sciences, Division of Pharmaceutical Chemistry, Faculty of Life Sciences, University of Vienna Althanstraße 14 1090 Vienna Austria
| | - Asta Žukauskaitė
- Department of Chemical Biology, Faculty of Science, Palacký University Šlechtitelů 27 CZ-78371 Olomouc Czech Republic
| | - Algirdas Šačkus
- Department of Organic Chemistry, Faculty of Chemical Technology, Kaunas University of Technology Radvilėnų pl. 19 LT-50254 Kaunas Lithuania .,Institute of Synthetic Chemistry, Faculty of Chemical Technology, Kaunas University of Technology K. Baršausko g. 59 LT-51423 Kaunas Lithuania
| | - Verena Pichler
- Department of Pharmaceutical Sciences, Division of Pharmaceutical Chemistry, Faculty of Life Sciences, University of Vienna Althanstraße 14 1090 Vienna Austria
| | - Eglė Arbačiauskienė
- Department of Organic Chemistry, Faculty of Chemical Technology, Kaunas University of Technology Radvilėnų pl. 19 LT-50254 Kaunas Lithuania
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Liu Z, Liu X, Yang S, Miao X, Li D, Wang D. Titanium-Mediated aza-Nazarov Annulation for the Synthesis of N-Fused Tricycles: A General Method to Access Lamellarin Analogues. J Org Chem 2022; 87:10319-10332. [PMID: 35881508 DOI: 10.1021/acs.joc.2c01379] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Fused heterocycles with nitrogen incorporation are of particular bioactive use and high importance in many research fields, especially isoquinoline-based [6/6/5] tricycles. Here, we report a unique strategy to access multifunctional N-fused tricycles from α,β-unsaturated isoquinoline ketone and sulfonamide under mild reaction conditions. The methodology features wide substrate tolerance, and a set of N-fused heteroarenes including quinoline, phthalazine, quinazoline, quinoxaline, and benzothiazole cores are furnished efficiently. Moreover, the protocol is easy to scale up to synthesize lamellarin analogues, and the amide group of the product is also easy to transfer to other functional groups.
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Affiliation(s)
- Zhixin Liu
- Key Laboratory of Marine Drugs, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, 5 Yushan Road, Qingdao 266100, China
| | - Xinyu Liu
- Key Laboratory of Marine Drugs, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, 5 Yushan Road, Qingdao 266100, China
| | - Shengkuan Yang
- Key Laboratory of Marine Drugs, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, 5 Yushan Road, Qingdao 266100, China
| | - Xiaohe Miao
- Instrumentation and Service Center for Physical Sciences, Westlake University, Hangzhou 310024, China
| | - Dehai Li
- Key Laboratory of Marine Drugs, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, 5 Yushan Road, Qingdao 266100, China.,Laboratory for Marine Drugs and Bioproducts & Open Studio for Druggability Research of Marine Natural Products, Pilot National Laboratory for Marine Science and Technology, 1 Wenhai Road, Qingdao 266237, China
| | - De Wang
- Key Laboratory of Marine Drugs, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, 5 Yushan Road, Qingdao 266100, China.,Laboratory for Marine Drugs and Bioproducts & Open Studio for Druggability Research of Marine Natural Products, Pilot National Laboratory for Marine Science and Technology, 1 Wenhai Road, Qingdao 266237, China.,State Key Laboratory of Chemical Oncogenomics, Key Laboratory of Chemical Genomics, Peking University Shenzhen Graduate School, Shenzhen 518055, Guangdong, PR China
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Ngamnithiporn A, Chuentragool P, Ploypradith P, Ruchirawat S. Syntheses of 3-Aryl Tetrahydroisoquinolines via an Intermolecular [4 + 2] Cycloaddition of Sultines with Imines. Org Lett 2022; 24:4192-4196. [PMID: 35639829 DOI: 10.1021/acs.orglett.2c01437] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The development of an intermolecular aza-Diels-Alder (DA) cycloaddition of sultines and imines is reported. By exploiting sultines as o-quinodimethane precursors and aryl imines as dienophiles in the presence of Cu(OTf)2, an aza-DA reaction proceeds to provide a wide variety of 3-aryl tetrahydroisoquionlines in moderate to excellent yield (up to 89%). The synthetic utility of these products was demonstrated in the preparation of tetracyclic N-heterocycles, including a tetrahydroprotoberberine skeleton.
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Affiliation(s)
- Aurapat Ngamnithiporn
- Laboratory of Medicinal Chemistry, Chulabhorn Research Institute, 54 Kamphaeng Phet 6 Road, Bangkok 10210, Thailand
| | - Padon Chuentragool
- Laboratory of Medicinal Chemistry, Chulabhorn Research Institute, 54 Kamphaeng Phet 6 Road, Bangkok 10210, Thailand
| | - Poonsakdi Ploypradith
- Laboratory of Medicinal Chemistry, Chulabhorn Research Institute, 54 Kamphaeng Phet 6 Road, Bangkok 10210, Thailand.,Program in Chemical Sciences, Chulabhorn Graduate Institute, Chulabhorn Royal Academy, Bangkok 10210, Thailand.,Center of Excellence on Environmental Health and Toxicology, Office of the Permanent Secretary (OPS), Ministry of Higher Education, Science, Research and Innovation (MHESI), Bangkok 10400, Thailand
| | - Somsak Ruchirawat
- Laboratory of Medicinal Chemistry, Chulabhorn Research Institute, 54 Kamphaeng Phet 6 Road, Bangkok 10210, Thailand.,Program in Chemical Sciences, Chulabhorn Graduate Institute, Chulabhorn Royal Academy, Bangkok 10210, Thailand.,Center of Excellence on Environmental Health and Toxicology, Office of the Permanent Secretary (OPS), Ministry of Higher Education, Science, Research and Innovation (MHESI), Bangkok 10400, Thailand
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7
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Silyanova EA, Samet AV, Semenov VV. A Two-Step Approach to a Hexacyclic Lamellarin Core via 1,3-Dipolar Cycloaddition of Isoquinolinium Ylides to Nitrostilbenes. J Org Chem 2022; 87:6444-6453. [PMID: 35467869 DOI: 10.1021/acs.joc.2c00312] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The 1,3-dipolar cycloaddition reaction of isoquinolinium ylides to nitrostilbenes provides an approach to 1,2-diarylpyrrolo[2,1-a]isoquinolinium-3-carboxylates and then to a complete hexacyclic lamellarin core.
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Affiliation(s)
- E A Silyanova
- N. D. Zelinsky Institute of Organic Chemistry RAS, 47 Leninsky Prospect, 119991 Moscow, Russian Federation
| | - A V Samet
- N. D. Zelinsky Institute of Organic Chemistry RAS, 47 Leninsky Prospect, 119991 Moscow, Russian Federation
| | - V V Semenov
- N. D. Zelinsky Institute of Organic Chemistry RAS, 47 Leninsky Prospect, 119991 Moscow, Russian Federation
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8
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Zhang K, Guan X, Zhang X, Liu L, Yin R, Jiang T. Protective Effects of Marine Alkaloid Neolamellarin A Derivatives against Glutamate Induced PC12 Cell Apoptosis. Mar Drugs 2022; 20:md20040262. [PMID: 35447935 PMCID: PMC9026748 DOI: 10.3390/md20040262] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Revised: 04/06/2022] [Accepted: 04/11/2022] [Indexed: 11/29/2022] Open
Abstract
Marine alkaloids obtained from sponges possess a variety of biological activities and potential medicinal value. The pyrrole-derived lamellarin-like alkaloids, especially their permethyl derivatives, show low cytotoxicity and potent MDR reversing activity. Neolamellarin A is a novel lamellarin-like alkaloid which was extracted from marine animal sponges. We reported the synthetic method of permethylated Neolamellarin A and its derivatives by a convergent strategy in 2015. In 2018, we reported the synthesis and the neuroprotective activity in PC12 cells of 3,4-bisaryl-N-alkylated permethylated Neolamellarin A derivatives. In this report, another series of 15 different 3,4-bisaryl-N-acylated permethylated Neolamellarin A derivatives were synthesized, and the outstanding protective effects of these compounds against glutamate induced PC12 cell apoptosis were presented and discussed. These Neolamellarin A derivatives which possessed low cytotoxicity and superior neuroprotective activity may have the potential to be developed into antagonists against glutamate induced nerve cell apoptosis.
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Affiliation(s)
- Kai Zhang
- Key Laboratory of Marine Drugs, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China; (K.Z.); (X.G.); (X.Z.)
| | - Xian Guan
- Key Laboratory of Marine Drugs, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China; (K.Z.); (X.G.); (X.Z.)
| | - Xiao Zhang
- Key Laboratory of Marine Drugs, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China; (K.Z.); (X.G.); (X.Z.)
| | - Lu Liu
- Marine Biomedical Research Institute of Qiangdao, Qingdao 266237, China;
| | - Ruijuan Yin
- Key Laboratory of Marine Drugs, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China; (K.Z.); (X.G.); (X.Z.)
- Marine Biomedical Research Institute of Qiangdao, Qingdao 266237, China;
- Correspondence: (R.Y.); (T.J.); Tel.: +86-532-8590-6853 (R.Y.)
| | - Tao Jiang
- Key Laboratory of Marine Drugs, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China; (K.Z.); (X.G.); (X.Z.)
- Laboratory for Marine Drugs and Bioproducts, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China
- Correspondence: (R.Y.); (T.J.); Tel.: +86-532-8590-6853 (R.Y.)
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9
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Jhang J, Manjappa KB, Yang D. Synthesis of Naphthoquinone‐ and Pyrrolo[2,1‐
a
]isoquinoline‐Fused Heterocycles and Tridemethoxy Lamellarin D. ASIAN J ORG CHEM 2022. [DOI: 10.1002/ajoc.202100660] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Jia‐Wei Jhang
- Department of Chemistry Tunghai University No. 1727, Sec. 4, Taiwan Boulevard, Xitun District Taichung Taiwan
| | - Kiran B. Manjappa
- Graduate Program for Biomedical and Materials Science Tunghai University No. 1727, Sec. 4, Taiwan Boulevard, Xitun District Taichung Taiwan
| | - Ding‐Yah Yang
- Department of Chemistry Tunghai University No. 1727, Sec. 4, Taiwan Boulevard, Xitun District Taichung Taiwan
- Graduate Program for Biomedical and Materials Science Tunghai University No. 1727, Sec. 4, Taiwan Boulevard, Xitun District Taichung Taiwan
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