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Khamto N, Utama K, Boontawee P, Janthong A, Tatieng S, Arthan S, Choommongkol V, Sangthong P, Yenjai C, Suree N, Meepowpan P. Inhibitory Activity of Flavonoid Scaffolds on SARS-CoV-2 3CL pro: Insights from the Computational and Experimental Investigations. J Chem Inf Model 2024; 64:874-891. [PMID: 38277124 DOI: 10.1021/acs.jcim.3c01477] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2024]
Abstract
The emergence of the COVID-19 situation has become a global issue due to the lack of effective antiviral drugs for treatment. Flavonoids are a class of plant secondary metabolites that have antiviral activity against SARS-CoV-2 through inhibition of the main protease (3CLpro). In this study, 22 flavonoids obtained from natural sources and semisynthetic approaches were investigated for their inhibitory activity against SARS-CoV-2 3CLpro, along with cytotoxicity on Vero cells. The protein-ligand interactions were examined using molecular dynamics simulation. Moreover, QSAR analysis was conducted to clarify the structural effects on bioactivity. Accordingly, the in vitro investigation demonstrated that four flavonoids, namely, tectochrysin (7), 6″,6″-dimethylchromeno-[2″,3″:7,8]-flavone (9), panduratin A (19), and genistein (20), showed higher protease inhibitory activity compared to the standard flavonoid baicalein. Finally, our finding suggests that genistein (20), an isoflavone discovered in Millettia brandisiana, has potential for further development as a SARS-CoV-2 3CLpro inhibitor.
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Affiliation(s)
- Nopawit Khamto
- Department of Chemistry, Faculty of Science, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai 50200, Thailand
- Multidisciplinary and Interdisciplinary School, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai 50200, Thailand
| | - Kraikrit Utama
- Department of Chemistry, Faculty of Science, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai 50200, Thailand
- Office of Research Administration, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai 50200, Thailand
| | - Panida Boontawee
- Department of Chemistry, Faculty of Science, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai 50200, Thailand
- Multidisciplinary and Interdisciplinary School, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai 50200, Thailand
| | - Atchara Janthong
- Program in Biotechnology, Multidisciplinary and Interdisciplinary School, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai 50200, Thailand
| | - Suriya Tatieng
- Department of Plant and Soil Sciences, Faculty of Agriculture, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai 50200, Thailand
| | - Supakorn Arthan
- Program of Chemistry, Faculty of Science and Technology, Sakon Nakhon Rajabhat University, Sakon Nakhon47000, Thailand
| | - Vachira Choommongkol
- Department of Chemistry, Faculty of Science, Maejo University, 63 Nong Han, Chiang Mai 50290, Thailand
| | - Padchanee Sangthong
- Department of Chemistry, Faculty of Science, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai 50200, Thailand
- Center of Excellence in Materials Science and Technology, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai 50200, Thailand
| | - Chavi Yenjai
- Natural Products Research Unit, Department of Chemistry and Center of Excellence for Innovation in Chemistry, Faculty of Science, Khon Kaen University, 123, Khon Kaen 40002, Thailand
| | - Nuttee Suree
- Department of Chemistry, Faculty of Science, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai 50200, Thailand
- Center of Excellence in Materials Science and Technology, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai 50200, Thailand
| | - Puttinan Meepowpan
- Department of Chemistry, Faculty of Science, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai 50200, Thailand
- Center of Excellence in Materials Science and Technology, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai 50200, Thailand
- Center of Excellence for Innovation in Chemistry (PERCH-CIC), Faculty of Science, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai 50200, Thailand
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Kongsak C, Chiangraeng N, Rithchumpon P, Nimmanpipug P, Meepowpan P, Tuntulani T, Thavornyutikarn P. Correction: Turn-on fluorogenic sensors based on an anthraquinone signaling unit for the detection of Zn(II) and Cd(II) ions. Org Biomol Chem 2023; 21:8201. [PMID: 37814908 DOI: 10.1039/d3ob90142d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/11/2023]
Abstract
Correction for 'Turn-on fluorogenic sensors based on an anthraquinone signaling unit for the detection of Zn(II) and Cd(II) ions' by Chawanakorn Kongsak et al., Org. Biomol. Chem., 2023, 21, 7367-7381, https://doi.org/10.1039/D3OB01223A.
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Affiliation(s)
- Chawanakorn Kongsak
- Department of Chemistry, Faculty of Science, Chiang Mai University, 239 Huay Kaew Rd, Chiang Mai 50200, Thailand.
- Graduate School, Chiang Mai University, 239 Huay Kaew Rd, Chiang Mai 50200, Thailand
| | - Natthiti Chiangraeng
- Department of Chemistry, Faculty of Science, Chiang Mai University, 239 Huay Kaew Rd, Chiang Mai 50200, Thailand.
| | - Puracheth Rithchumpon
- Department of Chemistry, Faculty of Science, Chiang Mai University, 239 Huay Kaew Rd, Chiang Mai 50200, Thailand.
| | - Piyarat Nimmanpipug
- Department of Chemistry, Faculty of Science, Chiang Mai University, 239 Huay Kaew Rd, Chiang Mai 50200, Thailand.
- Center of Excellence in Materials Science and Technology, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Puttinan Meepowpan
- Department of Chemistry, Faculty of Science, Chiang Mai University, 239 Huay Kaew Rd, Chiang Mai 50200, Thailand.
- Center of Excellence in Materials Science and Technology, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Thawatchai Tuntulani
- Department of Chemistry, Faculty of Science, Chulalongkorn University, Phayathai Road, Patumwan Bangkok 10330, Thailand
| | - Praput Thavornyutikarn
- Department of Chemistry, Faculty of Science, Chiang Mai University, 239 Huay Kaew Rd, Chiang Mai 50200, Thailand.
- Center of Excellence in Materials Science and Technology, Chiang Mai University, Chiang Mai 50200, Thailand
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Kongsak C, Chiangraeng N, Rithchumpon P, Nimmanpipug P, Meepowpan P, Tuntulani T, Thavornyutikarn P. Turn-on fluorogenic sensors based on an anthraquinone signaling unit for the detection of Zn(II) and Cd(II) ions. Org Biomol Chem 2023; 21:7367-7381. [PMID: 37655509 DOI: 10.1039/d3ob01223a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
Abstract
Turn-on fluorescent chemosensors based on an anthraquinone moiety, N,N'-(9,10-dioxo-9,10-dihydroanthracene-1,8-diyl)bis(2-(bis(pyridin-2-ylmethyl)amino)acetamide) (1) and N,N'-(9,10-dioxo-9,10-dihydroanthracene-2,6-diyl)bis(2-(bis(pyridin-2-ylmethyl)amino)acetamide) (2), have been successfully synthesized with the overall yields of 61% and 90%, respectively. The structures of both chemosensors 1 and 2 were elucidated using several spectroscopic techniques such as 1H NMR, 13C NMR, 2D-NMR, FTIR and HRMS. The target chemosensor 1 is a promising tool for the detection of trace levels of d10 metal ions, such as Zn(II) and Cd(II) ions, by exhibiting a significant fluorescence enhancement via a turn-on photoinduced electron transfer (PET) mechanism with a rapid and highly reproducible signal, and low detection limit values of 0.408 μM and 0.246 μM, for Zn(II) and Cd(II), respectively.
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Affiliation(s)
- Chawanakorn Kongsak
- Department of Chemistry, Faculty of Science, Chiang Mai University, 239 Huay Kaew Rd, Chiang Mai 50200, Thailand.
- Graduate School, Chiang Mai University, 239 Huay Kaew Rd, Chiang Mai 50200, Thailand
| | - Natthiti Chiangraeng
- Department of Chemistry, Faculty of Science, Chiang Mai University, 239 Huay Kaew Rd, Chiang Mai 50200, Thailand.
| | - Puracheth Rithchumpon
- Department of Chemistry, Faculty of Science, Chiang Mai University, 239 Huay Kaew Rd, Chiang Mai 50200, Thailand.
| | - Piyarat Nimmanpipug
- Department of Chemistry, Faculty of Science, Chiang Mai University, 239 Huay Kaew Rd, Chiang Mai 50200, Thailand.
- Center of Excellence in Materials Science and Technology, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Puttinan Meepowpan
- Department of Chemistry, Faculty of Science, Chiang Mai University, 239 Huay Kaew Rd, Chiang Mai 50200, Thailand.
- Center of Excellence in Materials Science and Technology, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Thawatchai Tuntulani
- Department of Chemistry, Faculty of Science, Chulalongkorn University, Phayathai Road, Patumwan Bangkok 10330, Thailand
| | - Praput Thavornyutikarn
- Department of Chemistry, Faculty of Science, Chiang Mai University, 239 Huay Kaew Rd, Chiang Mai 50200, Thailand.
- Center of Excellence in Materials Science and Technology, Chiang Mai University, Chiang Mai 50200, Thailand
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Kerdphon S, Khamto N, Buddhachat K, Ngoenkam J, Paensuwan P, Pongcharoen S, Singh T, Meepowpan P, Jongcharoenkamol J. Structure-Activity Relationship and Molecular Docking of Quinazolinones Inhibiting Expression of COX-2, IL-1β, iNOS, and TNF-α through NF-κB Pathways. ACS Med Chem Lett 2023; 14:1167-1173. [PMID: 37736179 PMCID: PMC10510524 DOI: 10.1021/acsmedchemlett.3c00098] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Accepted: 08/10/2023] [Indexed: 09/23/2023] Open
Abstract
The quinazolinone scaffold is found in natural products and biologically active compounds, including inflammatory inhibitors. Major proteins or enzymes involved in the inflammation process are regulated by the amount of gene expression. Quinazolinone derivatives were investigated and developed against the inflammatory genes cyclooxygenase-2 (COX-2), interleukin-1β (IL-1β), tumor necrosis factor-α (TNF-α), and inducible nitric oxide synthase (iNOS) in the lipopolysaccharide (LPS)-stimulated RAW 264.7 macrophage cell line. The mRNA expressions were measured using a real-time quantitative polymerase chain reaction (RT-qPCR). Quinazolinone compounds at 62.5 μM demonstrated anti-COX-2 and anti-IL-1β mRNA expressions down to 0.50% and 3.10% gene expression, respectively, via inhibition of nuclear factor κB (NF-κB). Molecular docking was performed to explain the interaction between the binding site and the developed compounds as well as the structure-activity relationship of the quinazolinone moiety.
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Affiliation(s)
- Sutthichat Kerdphon
- Department
of Chemistry, Faculty of Science, Naresuan
University, Phitsanulok 65000, Thailand
- Center
of Excellence in Petroleum, Petrochemicals and Advanced Materials,
Faculty of Science, Naresuan University, Phitsanulok 65000, Thailand
| | - Nopawit Khamto
- Department
of Chemistry, Faculty of Science, Chiang
Mai University, Chiang
Mai 50200, Thailand
- Graduate
School, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Kittisak Buddhachat
- Department
of Biology, Faculty of Science, Naresuan
University, Phitsanulok 65000, Thailand
| | - Jatuporn Ngoenkam
- Department
of Microbiology and Parasitology, Faculty of Medical Science, Naresuan University, Phitsanulok 65000, Thailand
| | - Pussadee Paensuwan
- Department
of Optometry, Faculty of Allied Health Sciences, Naresuan University, Phitsanulok 65000, Thailand
| | - Sutatip Pongcharoen
- Department
of Medicine, Faculty of Medicine, Naresuan
University, Phitsanulok 65000, Thailand
| | - Thishana Singh
- School
of Chemistry and Physics, University of
Kwazulu-Natal, Private Bag
X54001, Durban 4000, South Africa
| | - Puttinan Meepowpan
- Department
of Chemistry, Faculty of Science, Chiang
Mai University, Chiang
Mai 50200, Thailand
- Center
of Excellence in Material Science and Technology, Chiang Mai University, Chiang
Mai 50200, Thailand
| | - Jira Jongcharoenkamol
- Department
of Pharmaceutical Chemistry and Pharmacognosy, Faculty of Pharmaceutical
Science, Naresuan University, Phitsanulok 65000, Thailand
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Jongcharoenkamol J, Naksing P, Nimnuan N, Singh T, Chatwichien J, Temkitthawon P, Sriwattanawarunyoo C, Choommongkol V, Meepowpan P, Kerdphon S. Microwave-assisted commercial copper-catalyzed aerobic oxidative synthesis of AChE quinazolinone inhibitors under solvent free conditions. RSC Adv 2023; 13:27657-27662. [PMID: 37727584 PMCID: PMC10506383 DOI: 10.1039/d3ra05739a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Accepted: 09/11/2023] [Indexed: 09/21/2023] Open
Abstract
A facile and green one-pot synthesis of AChE quinazolinone inhibitors was developed using microwave irradiation under solvent free conditions. Quinazolinones were synthesized from 2-aminobenzamide derivatives and various alcohols such as benzyl alcohol derivatives and butanol using economical commercially available copper as a catalyst in the presence of base, Cs2CO3. The desired products were achieved in moderate to high yields with up to 92% isolated yield. These quinazolinone products were then evaluated for acetylcholinesterase inhibition so that they can be developed as promising anti-acetylcholinesterase agents.
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Affiliation(s)
- Jira Jongcharoenkamol
- Department of Pharmaceutical Chemistry and Pharmacognosy, Faculty of Pharmaceutical Science, Naresuan University Phitsanulok 65000 Thailand
- Center of Excellence in Cannabis Research, Faculty of Pharmaceutical Sciences, Naresuan University Phitsanulok 65000 Thailand
| | - Prakansi Naksing
- Department of Chemistry, Faculty of Science, Naresuan University Phitsanulok 65000 Thailand
| | - Nattayaporn Nimnuan
- Department of Chemistry, Faculty of Science, Naresuan University Phitsanulok 65000 Thailand
| | - Thishana Singh
- School of Chemistry and Physics, University of Kwazulu-Natal Private Bag X54001 Durban 4000 South Africa
| | - Jaruwan Chatwichien
- Program in Chemical Sciences, Chulabhorn Graduate Institute, Chulabhorn Royal Academy Bangkok 10210 Thailand
| | - Prapapan Temkitthawon
- Department of Pharmaceutical Chemistry and Pharmacognosy, Faculty of Pharmaceutical Science, Naresuan University Phitsanulok 65000 Thailand
- Center of Excellence in Cannabis Research, Faculty of Pharmaceutical Sciences, Naresuan University Phitsanulok 65000 Thailand
| | | | - Vachira Choommongkol
- Department of Chemistry, Faculty of Science, Maejo University Chiang Mai 50290 Thailand
| | - Puttinan Meepowpan
- Department of Chemistry, Faculty of Science, Chiang Mai University Chiang Mai 50200 Thailand
- Center of Excellence in Material Science and Technology, Chiang Mai University Chiang Mai 50200 Thailand
| | - Sutthichat Kerdphon
- Center of Excellence in Cannabis Research, Faculty of Pharmaceutical Sciences, Naresuan University Phitsanulok 65000 Thailand
- Department of Chemistry, Faculty of Science, Naresuan University Phitsanulok 65000 Thailand
- Center of Excellence in Petroleum, Petrochemicals and Advanced Materials, Faculty of Science, Naresuan University Phitsanulok 65000 Thailand
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Vachiraarunwong A, Tuntiwechapikul W, Wongnoppavich A, Meepowpan P, Wongpoomchai R. 2,4'-dihydroxy-6'-methoxy-3',5'-dimethylchalcone from Cleistocalyx nervosum var. paniala seeds attenuated the early stage of diethylnitrosamine and 1,2-dimethylhydrazine-induced colorectal carcinogenesis. Biomed Pharmacother 2023; 165:115221. [PMID: 37517291 DOI: 10.1016/j.biopha.2023.115221] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2023] [Revised: 07/20/2023] [Accepted: 07/23/2023] [Indexed: 08/01/2023] Open
Abstract
BACKGROUND Dichloromethane extract of Cleistocalyx nervosum var. paniala seeds exhibited an anticarcinogenicity against chemically-induced the early stages of carcinogenesis in rats. This study aimed to identify anticarcinogenic compounds from C. nervosum seed extract (CSE). METHODS Salmonella mutation assay was performed to determine mutagenicity and antimutagenicity of partially purified and purified compounds of CSE. The anticarcinogenic enzyme-inducing activity was measured in Hepa1c1c7. Moreover, the anticancer potency was examined on various human cancer cell lines. The anticarcinogenicity of DMC was investigated using dual-organ carcinogenicity model. The number of preneoplastic lesions was evaluated in the liver and colon. The inhibitory mechanisms of DMC on liver- and colorectal carcinogenesis were investigated. RESULTS Six partially purified fractions (MK1 - MK6) and purified compounds, including 2,4'-dihydroxy-6'-methoxy-3',5'-dimethylchalcone (DMC) and hariganetin, were obtained from CSE. Among these fractions, MK4 and DMC presented the greatest antimutagenicity against indirect mutagens in bacterial model. Moreover, MK5 possessed an effective anticarcinogenic enzyme inducer in Hepa1c1c7. The MK4, DMC and CSE showed greater anticancer activity on all cell lines and exhibited the most effective toxicity on colon cancer cells. Furthermore, DMC inhibited the formation of colonic preneoplastic lesions in carcinogens-treated rats. It reduced PCNA-positive cells and frequency of BCAC in rat colon. DMC also enhanced the detoxifying enzyme, GST, in rat livers. CONCLUSIONS DMC obtained from CSE may be a promising cancer chemopreventive compound of colorectal cancer process in rats. It could increase detoxifying enzymes and suppress the cell proliferation process resulting in prevention of post-initiation stage of colorectal carcinogenesis.
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Affiliation(s)
- Arpamas Vachiraarunwong
- Department of Biochemistry, Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, Thailand.
| | - Wirote Tuntiwechapikul
- Department of Biochemistry, Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, Thailand.
| | - Ariyaphong Wongnoppavich
- Department of Biochemistry, Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, Thailand.
| | - Puttinan Meepowpan
- Department of Chemistry, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand.
| | - Rawiwan Wongpoomchai
- Department of Biochemistry, Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, Thailand.
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Dechsupa N, Khamto N, Chawapun P, Siriphong S, Innuan P, Suwan A, Luangsuep T, Photilimthana N, Maita W, Thanacharttanatchaya R, Sangthong P, Meepowpan P, Udomtanakunchai C, Kantapan J. Pentagalloyl Glucose-Targeted Inhibition of P-Glycoprotein and Re-Sensitization of Multidrug-Resistant Leukemic Cells (K562/ADR) to Doxorubicin: In Silico and Functional Studies. Pharmaceuticals (Basel) 2023; 16:1192. [PMID: 37765000 PMCID: PMC10535865 DOI: 10.3390/ph16091192] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Revised: 08/12/2023] [Accepted: 08/20/2023] [Indexed: 09/29/2023] Open
Abstract
Combining phytochemicals with chemotherapeutic drugs has demonstrated the potential to surmount drug resistance. In this paper, we explore the efficacy of pentagalloyl glucose (PGG) in modulating P-gp and reversing multidrug resistance (MDR) in drug-resistant leukemic cells (K562/ADR). The cytotoxicity of PGG was evaluated using a CCK-8 assay, and cell apoptosis was assessed using flow cytometry. Western blotting was used to analyze protein expression levels. P-glycoprotein (P-gp) activity was evaluated by monitoring the kinetics of P-gp-mediated efflux of pirarubicin (THP). Finally, molecular docking, molecular dynamics simulation, and molecular mechanics with generalized Born and surface area solvation (MM-GBSA) calculation were conducted to investigate drug-protein interactions. We found that PGG selectively induced cytotoxicity in K562/ADR cells and enhanced sensitivity to doxorubicin (DOX), indicating its potential as a reversal agent. PGG reduced the expression of P-gp and its gene transcript levels. Additionally, PGG inhibited P-gp-mediated efflux and increased intracellular drug accumulation in drug-resistant cells. Molecular dynamics simulations and MM-GBSA calculation provided insights into the binding affinity of PGG to P-gp, suggesting that PGG binds tightly to both the substrate and the ATP binding sites of P-gp. These findings support the potential of PGG to target P-gp, reverse drug resistance, and enhance the efficacy of anticancer therapies.
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Affiliation(s)
- Nathupakorn Dechsupa
- Molecular Imaging and Therapy Research Unit, Faculty of Associated Medical Sciences, Department of Radiologic Technology, Chiang Mai University, Chiang Mai 50200, Thailand; (N.D.); (P.I.); (A.S.)
- Faculty of Associated Medical Sciences, Department of Radiologic Technology, Chiang Mai University, Chiang Mai 50200, Thailand; (T.L.); (N.P.); (W.M.); (R.T.); (C.U.)
| | - Nopawit Khamto
- Faculty of Science, Department of Chemistry, Chiang Mai University, Chiang Mai 50200, Thailand (P.C.); (S.S.); (P.S.); (P.M.)
- Graduate School, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Pornthip Chawapun
- Faculty of Science, Department of Chemistry, Chiang Mai University, Chiang Mai 50200, Thailand (P.C.); (S.S.); (P.S.); (P.M.)
- Graduate School, Chiang Mai University, Chiang Mai 50200, Thailand
- Interdisciplinary Program in Biotechnology, Graduate School, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Sadanon Siriphong
- Faculty of Science, Department of Chemistry, Chiang Mai University, Chiang Mai 50200, Thailand (P.C.); (S.S.); (P.S.); (P.M.)
- Graduate School, Chiang Mai University, Chiang Mai 50200, Thailand
- Interdisciplinary Program in Biotechnology, Graduate School, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Phattarawadee Innuan
- Molecular Imaging and Therapy Research Unit, Faculty of Associated Medical Sciences, Department of Radiologic Technology, Chiang Mai University, Chiang Mai 50200, Thailand; (N.D.); (P.I.); (A.S.)
- Faculty of Associated Medical Sciences, Department of Radiologic Technology, Chiang Mai University, Chiang Mai 50200, Thailand; (T.L.); (N.P.); (W.M.); (R.T.); (C.U.)
| | - Authaphinya Suwan
- Molecular Imaging and Therapy Research Unit, Faculty of Associated Medical Sciences, Department of Radiologic Technology, Chiang Mai University, Chiang Mai 50200, Thailand; (N.D.); (P.I.); (A.S.)
- Faculty of Associated Medical Sciences, Department of Radiologic Technology, Chiang Mai University, Chiang Mai 50200, Thailand; (T.L.); (N.P.); (W.M.); (R.T.); (C.U.)
| | - Thitiworada Luangsuep
- Faculty of Associated Medical Sciences, Department of Radiologic Technology, Chiang Mai University, Chiang Mai 50200, Thailand; (T.L.); (N.P.); (W.M.); (R.T.); (C.U.)
| | - Nichakorn Photilimthana
- Faculty of Associated Medical Sciences, Department of Radiologic Technology, Chiang Mai University, Chiang Mai 50200, Thailand; (T.L.); (N.P.); (W.M.); (R.T.); (C.U.)
| | - Witchayaporn Maita
- Faculty of Associated Medical Sciences, Department of Radiologic Technology, Chiang Mai University, Chiang Mai 50200, Thailand; (T.L.); (N.P.); (W.M.); (R.T.); (C.U.)
| | - Rossarin Thanacharttanatchaya
- Faculty of Associated Medical Sciences, Department of Radiologic Technology, Chiang Mai University, Chiang Mai 50200, Thailand; (T.L.); (N.P.); (W.M.); (R.T.); (C.U.)
| | - Padchanee Sangthong
- Faculty of Science, Department of Chemistry, Chiang Mai University, Chiang Mai 50200, Thailand (P.C.); (S.S.); (P.S.); (P.M.)
| | - Puttinan Meepowpan
- Faculty of Science, Department of Chemistry, Chiang Mai University, Chiang Mai 50200, Thailand (P.C.); (S.S.); (P.S.); (P.M.)
- Center of Excellence in Materials Science and Technology, Chiang Mai University, Chiang Mai 50200, Thailand
- Center of Excellence for Innovation in Chemistry (PERCH-CIC), Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Chatchanok Udomtanakunchai
- Faculty of Associated Medical Sciences, Department of Radiologic Technology, Chiang Mai University, Chiang Mai 50200, Thailand; (T.L.); (N.P.); (W.M.); (R.T.); (C.U.)
| | - Jiraporn Kantapan
- Molecular Imaging and Therapy Research Unit, Faculty of Associated Medical Sciences, Department of Radiologic Technology, Chiang Mai University, Chiang Mai 50200, Thailand; (N.D.); (P.I.); (A.S.)
- Faculty of Associated Medical Sciences, Department of Radiologic Technology, Chiang Mai University, Chiang Mai 50200, Thailand; (T.L.); (N.P.); (W.M.); (R.T.); (C.U.)
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Sananboonudom S, Kaewnoi A, Pompimon W, Narakaew S, Jiajaroen S, Chainok K, Nuntasaen N, Suksen K, Chairoungdua A, Limthongkul J, Naparswad C, Pikulthong S, Meepowpan P, Wingwon B, Charoenphakinrattana N, Udomputtimekakul P. Study on the absolute configuration and biological activity of rotenoids from the leaves and twigs of Millettia pyrrhocarpa Mattapha, Forest & Hawkins, sp. Nov. BMC Complement Med Ther 2023; 23:147. [PMID: 37143007 PMCID: PMC10161675 DOI: 10.1186/s12906-023-03963-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2022] [Accepted: 04/18/2023] [Indexed: 05/06/2023] Open
Abstract
BACKGROUND M. pyrrhocarpa is a new plant in the Fabaceae: Faboideae family that is found in Thailand. A literature search revealed that the Milletia genus is rich in bioactive compounds possessing a wide range of biological activities. In this study, we aimed to isolate novel bioactive compounds and to study their bioactivities. METHODS The hexane, ethyl acetate, and methanol extracts from the leaves and twigs of M. pyrrhocarpa were isolated and purified using chromatography techniques. These extracts and pure compounds were tested in vitro for their inhibitory activities against nine strains of bacteria, as well as their anti-HIV-1 virus activity and cytotoxicity against eight cancer cell lines. RESULTS Three rotenoids, named 6aS, 12aS, 12S-elliptinol (1), 6aS, 12aS, 12S-munduserol (2), dehydromunduserone (3), and crude extracts were evaluated for antibacterial, anti-HIV, and cytotoxic activities. It was found that compounds 1-3 inhibited the growth of nine strains of bacteria, and the best MIC/MBC values were obtained at 3/ > 3 mg/mL. The hexane extract showed anti-HIV-1 RT with the highest %inhibition at 81.27 at 200 mg/mL, while 6aS, 12aS, 12S-elliptinol (1) reduced syncytium formation in 1A2 cells with a maximum EC50 value of 4.48 μM. Furthermore, 6aS, 12aS, 12S-elliptinol (1) showed cytotoxicity against A549 and Hep G2 cells with maximum ED50 values of 2.27 and 3.94 μg/mL. CONCLUSION This study led to the isolation of constituents with potential for medicinal application, providing compounds (1-3) as lead compounds against nine strains of bacteria. The hexane extract showed the highest %inhibition of HIV-1 virus, Compound 1 showed the best EC50 in reducing syncytium formation in 1A2 cells, and it also showed the best ED50 against human lung adenocarcinoma (A549) and human hepatocellular carcinoma (Hep G2). The isolated compounds from M. pyrrhocarpa offered significant potential for future medicinal application studies.
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Affiliation(s)
- Suda Sananboonudom
- Department of Chemistry, Faculty of Science and Center of Innovation in Chemistry, Lampang Rajabhat University, Lampang, 52100, Thailand
| | - Atchara Kaewnoi
- Department of Thai Traditionnal Medicine, Faculty of Science and Technology, Bansomdejchaopraya Rajabhat University, Bangkok, 10600, Thailand
| | - Wilart Pompimon
- Department of Chemistry, Faculty of Science and Center of Innovation in Chemistry, Lampang Rajabhat University, Lampang, 52100, Thailand
| | - Samroeng Narakaew
- Department of Chemistry, Faculty of Science and Center of Innovation in Chemistry, Lampang Rajabhat University, Lampang, 52100, Thailand
| | - Suwadee Jiajaroen
- Thammasat University Research Unit in Multifunctional Crystalline Materials and Applications (TUMcMa), Faculty of Science and Technology, Thammasat University, Pathum Thani, 12121, Thailand
| | - Kittipong Chainok
- Thammasat University Research Unit in Multifunctional Crystalline Materials and Applications (TUMcMa), Faculty of Science and Technology, Thammasat University, Pathum Thani, 12121, Thailand
| | - Narong Nuntasaen
- Department of Chemistry, Faculty of Science and Center of Innovation in Chemistry, Mahidol University, Bangkok, 10400, Thailand
| | - Kanoknetr Suksen
- Department of Physiology, Faculty of Science, Mahidol University, Bangkok, 10600, Thailand
| | - Arthit Chairoungdua
- Department of Physiology, Faculty of Science, Mahidol University, Bangkok, 10600, Thailand
- Excellent Center for Drug Discovery (ECDD), Mahidol University, Bangkok, 10600, Thailand
- Toxicology Graduate Program, Faculty of Science, Mahidol University, Bangkok, 10600, Thailand
| | - Jitra Limthongkul
- Department of Microbiology, Faculty of Science, Mahidol University, Bangkok, 10600, Thailand
| | - Chanita Naparswad
- Department of Microbiology, Faculty of Science, Mahidol University, Bangkok, 10600, Thailand
| | - Suttiporn Pikulthong
- Department of Chemistry, Faculty of Science, Mahidol University, Bangkok, 10600, Thailand
| | - Puttinan Meepowpan
- Department of Chemistry, and Center for Innovation in Chemistry, Faculty of Science, Chiang Mai University, Chiang Mai, 50300, Thailand
| | - Boonthawan Wingwon
- Department of Management Science, Faculty of Management Science, Lampang Rajabhat University, Lampang, 52100, Thailand
| | | | - Phansuang Udomputtimekakul
- Department of Chemistry, Faculty of Science and Center of Innovation in Chemistry, Lampang Rajabhat University, Lampang, 52100, Thailand.
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9
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Phetsuk S, Molloy R, Topham PD, Tighe BJ, Meepowpan P, Limwanich W, Punyodom W. Use of Non‐isothermal
DSC
in Comparative Studies of Tin(
II
) Systems for the
Ring‐Opening
Polymerization of D‐lactide. POLYM INT 2023. [DOI: 10.1002/pi.6517] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/01/2023]
Affiliation(s)
- Sawarot Phetsuk
- Polymer Research Laboratory, Department of Chemistry, Faculty of Science Chiang Mai University Chiang Mai Thailand 50200
| | - Robert Molloy
- Polymer Research Laboratory, Department of Chemistry, Faculty of Science Chiang Mai University Chiang Mai Thailand 50200
- Center of Excellence in Materials Science and Technology Chiang Mai University, 50200 Thailand
| | - Paul D. Topham
- Chemical Engineering and Applied Chemistry Aston University, Aston Triangle Birmingham, B4 7ET UK
| | - Brian J. Tighe
- Chemical Engineering and Applied Chemistry Aston University, Aston Triangle Birmingham, B4 7ET UK
| | - Puttinan Meepowpan
- Polymer Research Laboratory, Department of Chemistry, Faculty of Science Chiang Mai University Chiang Mai Thailand 50200
- Center of Excellence in Materials Science and Technology Chiang Mai University, 50200 Thailand
| | - Wanich Limwanich
- Faculty of Science and Agricultural Technology Rajamangala University of Technology Lanna Chiang Mai Thailand 50300
| | - Winita Punyodom
- Polymer Research Laboratory, Department of Chemistry, Faculty of Science Chiang Mai University Chiang Mai Thailand 50200
- Center of Excellence in Materials Science and Technology Chiang Mai University, 50200 Thailand
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10
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Utama K, Khamto N, Meepowpan P, Aobchey P, Kantapan J, Meerak J, Roytrakul S, Sangthong P. 2',4'-Dihydroxy-6'‑methoxy-3',5'-dimethylchalcone and its amino acid-conjugated derivatives induce G0/G1 cell cycle arrest and apoptosis via BAX/BCL2 ratio upregulation and in silico insight in SiHa cell lines. Eur J Pharm Sci 2023; 184:106390. [PMID: 36813001 DOI: 10.1016/j.ejps.2023.106390] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Revised: 12/15/2022] [Accepted: 01/19/2023] [Indexed: 02/22/2023]
Abstract
We modified the chemical structure of 2',4'-dihydroxy-6'‑methoxy-3',5'-dimethylchalcone (DMC, 1), a phytochemical found in the seed of Syzygium nervosum A.Cunn. ex DC., by conjugation with the amino acid L-alanine (compound 3a) or L-valine (compound 3b) to enhance anticancer activity and water solubility. Compounds 3a and 3b had antiproliferative activity in human cervical cancer cell lines (C-33A, SiHa and HeLa), with half-maximal inhibitory concentrations (IC50) of 7.56 ± 0.27 and 8.24 ± 0.14 µM, respectively in SiHa cells; these values were approximately two-fold greater than DMC. We investigated the biological activities of compounds 3a and 3b based on a wound healing assay, a cell cycle assay and messenger RNA (mRNA) expression analysis to determine the possible mechanism of anticancer activity. Compounds 3a and 3b inhibited SiHa cell migration in the wound healing assay. After treatment with compounds 3a and 3b, there was an increase in SiHa cells in the G1 phase, indicative of cell cycle arrest. Moreover, compound 3a showed potential anticancer activity by upregulating TP53 and CDKN1A that resulted in upregulation of BAX and downregulation of CDK2 and BCL2, leading to apoptosis and cell cycle arrest. The BAX/BCL2 expression ratio was increased after treatment with compound 3avia the intrinsic apoptotic pathway. In silico molecular dynamics simulation and binding free energy calculation shed light on how these DMC derivatives interact with the HPV16 E6 protein, a viral oncoprotein associated with cervical cancer. Our findings suggest that compound 3a is a potential candidate for anti-cervical cancer drug development.
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Affiliation(s)
- Kraikrit Utama
- Interdisciplinary Program in Biotechnology, Graduate School, Chiang Mai University, Chiang Mai, 50200, Thailand; Department of Chemistry, Faculty of Science, Chiang Mai University, Chiang Mai, 50200, Thailand; Research Center on Chemistry for Development of Health Promoting Products from Northern Resources, Faculty of Science, Chiang Mai University, Chiang Mai, 50200, Thailand
| | - Nopawit Khamto
- Department of Chemistry, Faculty of Science, Chiang Mai University, Chiang Mai, 50200, Thailand; Graduate School, Chiang Mai University, Chiang Mai, 50200, Thailand
| | - Puttinan Meepowpan
- Department of Chemistry, Faculty of Science, Chiang Mai University, Chiang Mai, 50200, Thailand; Center of Excellence in Materials Science and Technology, Faculty of Science, Chiang Mai University, Chiang Mai, 50200, Thailand
| | - Paitoon Aobchey
- Science and Technology Research Institute, Chiang Mai University, Chiang Mai, 50200, Thailand
| | - Jiraporn Kantapan
- Department of Radiologic Technology, Faculty of Associated Medical Sciences, Chiang Mai University, Chiang Mai, 50200, Thailand
| | - Jomkhwan Meerak
- Department of Biology, Faculty of Science, Chiang Mai University, Chiang Mai, 50200, Thailand
| | - Sittiruk Roytrakul
- Functional Ingredients and Food Innovation Research Group, National Center for Genetic Engineering and Biotechnology, National Science and Technology Development Agency, Bangkok, 12120, Thailand
| | - Padchanee Sangthong
- Department of Chemistry, Faculty of Science, Chiang Mai University, Chiang Mai, 50200, Thailand; Research Center on Chemistry for Development of Health Promoting Products from Northern Resources, Faculty of Science, Chiang Mai University, Chiang Mai, 50200, Thailand.
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11
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Funfuenha W, Punyodom W, Meepowpan P, Limwanich W. Microwave-assisted solvent-free ring-opening polymerization of ε-caprolactone initiated by n-butyltin(IV) chlorides. Polym Bull (Berl) 2023. [DOI: 10.1007/s00289-023-04720-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/18/2023]
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12
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Limwanich W, Rakbamrung N, Meepowpan P, Funfuenha W, Kongsuk J, Punyodom W. Solvent-free ring-opening polymerization of ε-caprolactone initiated by Mg(II), Sn(II), Zn(II), Al(III), and Sn(IV) derivatives: a comparative study. Reac Kinet Mech Cat 2023. [DOI: 10.1007/s11144-023-02354-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
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13
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Khamto N, Utama K, Tateing S, Sangthong P, Rithchumpon P, Cheechana N, Saiai A, Semakul N, Punyodom W, Meepowpan P. Discovery of Natural Bisbenzylisoquinoline Analogs from the Library of Thai Traditional Plants as SARS-CoV-2 3CL Pro Inhibitors: In Silico Molecular Docking, Molecular Dynamics, and In Vitro Enzymatic Activity. J Chem Inf Model 2023; 63:2104-2121. [PMID: 36647612 DOI: 10.1021/acs.jcim.2c01309] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
The emergence of SARS-CoV-2 in December 2019 has become a global issue due to the continuous upsurge in patients and the lack of drug efficacy for treatment. SARS-CoV-2 3CLPro is one of the most intriguing biomolecular targets among scientists worldwide for developing antiviral drugs due to its relevance in viral replication and transcription. Herein, we utilized computer-assisted drug screening to investigate 326 natural products from Thai traditional plants using structure-based virtual screening against SARS-CoV-2 3CLPro. Following the virtual screening, the top 15 compounds based on binding energy and their interactions with key amino acid Cys145 were obtained. Subsequently, they were further evaluated for protein-ligand complex stability via molecular dynamics simulation and binding free energy calculation using molecular mechanics Poisson-Boltzmann surface area (MM-PBSA) approaches. Following drug-likeness and ADME/Tox assessments, seven bisbenzylisoquinolines were obtained, including neferine (3), liensinine (4), isoliensinine (5), dinklacorine (8), tiliacorinine (13), 2'-nortiliacorinine (14), and yanangcorinine (15). These compounds computationally showed a higher binding affinity than native N3 and GC-373 inhibitors and attained stable interactions on the active site of 3CLpro during 100 ns in molecular dynamics (MD) simulation. Moreover, the in vitro enzymatic assay showed that most bisbenzylisoquinolines could experimentally inhibit SARS-CoV-2 3CLPro. To our delight, isoliensinine (5) isolated from Nelumbo nucifera demonstrated the highest inhibition of protease activity with the IC50 value of 29.93 μM with low toxicity on Vero cells. Our findings suggested that bisbenzylisoquinoline scaffolds could be potentially used as an in vivo model for the development of effective anti-SARS-CoV-2 drugs.
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Affiliation(s)
- Nopawit Khamto
- Department of Chemistry, Faculty of Science, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai50200, Thailand.,Graduate School, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai50200, Thailand
| | - Kraikrit Utama
- Interdisciplinary Program in Biotechnology, Graduate School, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai50200, Thailand.,Research Center on Chemistry for Development of Health Promoting Products from Northern Resources, Faculty of Science, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai50200, Thailand
| | - Suriya Tateing
- Department of Plant and Soil Sciences, Faculty of Agriculture, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai50200, Thailand
| | - Padchanee Sangthong
- Department of Chemistry, Faculty of Science, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai50200, Thailand.,Research Center on Chemistry for Development of Health Promoting Products from Northern Resources, Faculty of Science, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai50200, Thailand
| | - Puracheth Rithchumpon
- Department of Chemistry, Faculty of Science, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai50200, Thailand
| | - Nathaporn Cheechana
- Department of Chemistry, Faculty of Science, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai50200, Thailand.,Graduate School, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai50200, Thailand
| | - Aroonchai Saiai
- Department of Chemistry, Faculty of Science, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai50200, Thailand
| | - Natthawat Semakul
- Department of Chemistry, Faculty of Science, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai50200, Thailand.,Research Center on Chemistry for Development of Health Promoting Products from Northern Resources, Faculty of Science, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai50200, Thailand.,Center of Excellence in Materials Science and Technology, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai50200, Thailand
| | - Winita Punyodom
- Department of Chemistry, Faculty of Science, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai50200, Thailand.,Center of Excellence in Materials Science and Technology, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai50200, Thailand.,Center of Excellence for Innovation in Chemistry (PERCH-CIC), Faculty of Science, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai50200, Thailand
| | - Puttinan Meepowpan
- Department of Chemistry, Faculty of Science, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai50200, Thailand.,Center of Excellence in Materials Science and Technology, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai50200, Thailand.,Center of Excellence for Innovation in Chemistry (PERCH-CIC), Faculty of Science, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai50200, Thailand
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14
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Saeheng C, Fuongfuchat A, Sriyai M, Daranarong D, Namhongsa M, Molloy R, Meepowpan P, Punyodom W. Microstructure, thermal and rheological properties of poly(L‐lactide‐
co
‐
ε
‐caprolactone) tapered block copolymer for potential use in biomedical applications. J Appl Polym Sci 2022. [DOI: 10.1002/app.53091] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Chutima Saeheng
- Department of Chemistry, Faculty of Science Chiang Mai University Chiang Mai Thailand
| | - Asira Fuongfuchat
- National Metal and Materials Technology Center National Science and Technology Development Agency (NSTDA) Pathum Thani Thailand
| | - Montira Sriyai
- Bioplastic Production Laboratory for Medical Applications, Faculty of Science Chiang Mai University Chiang Mai Thailand
- Center of Excellence in Materials Science and Technology Chiang Mai University Chiang Mai Thailand
| | - Donraporn Daranarong
- Bioplastic Production Laboratory for Medical Applications, Faculty of Science Chiang Mai University Chiang Mai Thailand
- Center of Excellence in Materials Science and Technology Chiang Mai University Chiang Mai Thailand
- Science and Technology Research Institute Chiang Mai University Chiang Mai Thailand
| | - Manasanan Namhongsa
- Department of Chemistry, Faculty of Science Chiang Mai University Chiang Mai Thailand
| | - Robert Molloy
- Center of Excellence in Materials Science and Technology Chiang Mai University Chiang Mai Thailand
| | - Puttinan Meepowpan
- Department of Chemistry, Faculty of Science Chiang Mai University Chiang Mai Thailand
- Bioplastic Production Laboratory for Medical Applications, Faculty of Science Chiang Mai University Chiang Mai Thailand
- Center of Excellence in Materials Science and Technology Chiang Mai University Chiang Mai Thailand
| | - Winita Punyodom
- Department of Chemistry, Faculty of Science Chiang Mai University Chiang Mai Thailand
- Bioplastic Production Laboratory for Medical Applications, Faculty of Science Chiang Mai University Chiang Mai Thailand
- Center of Excellence in Materials Science and Technology Chiang Mai University Chiang Mai Thailand
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15
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Akkravijitkul N, Cheechana N, Rithchumpon P, Junpirom T, Limwanich W, Nalampang K, Thavornyutikarn P, Punyodom W, Meepowpan P. Scalable and Room-Temperature Ring-Opening Polymerization of ε-Caprolactone Catalyzed by Active Lithium Tetramethylene-Tethered Bis[ N-( N'-butylimidazol-2-ylidene)] N-Heterocyclic Carbene as a Lewis Acid Organocatalyst. J Org Chem 2022; 87:12052-12064. [PMID: 36073019 DOI: 10.1021/acs.joc.2c01062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The Lewis acid organocatalytic system of lithium tetramethylene-tethered bis[N-(N'-butylimidazol-2-ylidene)] N-heterocyclic carbene (1,4-bisNHC) including lithium benzyloxide and benzyl alcohol has been successfully utilized in the ring-opening polymerization (ROP) of ε-caprolactone (CL) for the first time. The catalytic performance of this organic catalyst in the synthesis of high-molecular-weight polymers was investigated via bulk polymerization using different combinations of tetramethylene-tethered bis[N-(N'-butylimidazolium)] hexafluorophosphate (1,4-bis[Bim][PF6]), benzyl alcohol (BnOH), and n-butyl lithium (nBuLi) ([1,4-bis[Bim][PF6]]/[BnOH]/[nBuLi]) with the molar ratios of 0:2:2, 1:1:3, 1:2:3, and 1:2:4. The results showed that the molar ratio of 1:2:3 efficiently and rapidly initiated the bulk ROP of CL at room temperature with a high molar ratio of CL to 1,4-bis[Bim][PF6] of 3000/1 and produced the highest number of average-molecular-weight (Mn) poly(ε-caprolactone) (103,057 g mol-1) with the dispersity (D̵) and %conversion of 1.73 and 98% in a short period of time (152 s). From comparative studies, the relative polymerization rates of the bulk ROP of CL with different [1,4-bis[Bim][PF6]]/[BnOH]/[nBuLi] molar ratios was determined in the following order: 1:2:4 > 1:1:3 > 1:2:3 > 0:2:2. For mechanistic investigation, the bulk ROP mechanism of CL with our organic catalyst was proposed through the intramolecular bis-lithium-carbene interaction pathway for 1,4-bisNHC1,1,3, 1,4-bisNHC1,2,3, and 1,4-bisNHC1,2,4 systems.
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Affiliation(s)
- Natthapol Akkravijitkul
- Department of Chemistry, Faculty of Science, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai 50200, Thailand.,Graduate School, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai 50200, Thailand
| | - Nathaporn Cheechana
- Department of Chemistry, Faculty of Science, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai 50200, Thailand.,Graduate School, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai 50200, Thailand
| | - Puracheth Rithchumpon
- Department of Chemistry, Faculty of Science, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai 50200, Thailand.,Graduate School, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai 50200, Thailand
| | - Thiti Junpirom
- Department of Chemistry, Faculty of Science, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai 50200, Thailand
| | - Wanich Limwanich
- Faculty of Sciences and Agricultural Technology, Rajamangala University of Technology Lanna, Chiang Mai 50300, Thailand
| | - Kanarat Nalampang
- Department of Chemistry, Faculty of Science, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai 50200, Thailand
| | - Praput Thavornyutikarn
- Department of Chemistry, Faculty of Science, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai 50200, Thailand
| | - Winita Punyodom
- Department of Chemistry, Faculty of Science, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai 50200, Thailand.,Center of Excellence for Innovation in Chemistry (PERCH-CIC), Chiang Mai University, 239 Huay Kaew Road, Chiang Mai 50200, Thailand.,Center of Excellence in Materials Science and Technology, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai 50200, Thailand
| | - Puttinan Meepowpan
- Department of Chemistry, Faculty of Science, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai 50200, Thailand.,Center of Excellence for Innovation in Chemistry (PERCH-CIC), Chiang Mai University, 239 Huay Kaew Road, Chiang Mai 50200, Thailand.,Center of Excellence in Materials Science and Technology, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai 50200, Thailand
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16
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Udomputtimekakul P, Pompimon W, Chainok K, Jiajaroen S, Meepowpan P, Tata S, Tasit P, Rithchumpon P, Nuntasaen N. Krabasinolide A with anti-HIVs activity from the leaves and twigs of Croton krabas. J Asian Nat Prod Res 2022; 24:761-768. [PMID: 34592877 DOI: 10.1080/10286020.2021.1972979] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/18/2021] [Revised: 08/10/2021] [Accepted: 08/15/2021] [Indexed: 06/13/2023]
Abstract
One new clerodane-type diterpenoid, together with one known, was isolated from the leaves and twigs of C. krabas. The structures of these compounds were elucidated as krabasinolide A (1) and taraxerol (2) by spectroscopic methods (UV, IR, HRESIMS, 1 D, and 2 D NMR), and the relative stereochemistry was confirmed by X-ray diffraction analysis with graphite monochromated Mo-Kα (λ = 0.71073 Å) radiation at 296(2) K. Extracts and compounds 1-2 were evaluated for in vitro antiviral activity.
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Affiliation(s)
- Phansuang Udomputtimekakul
- Laboratory of Natural Products, Center of Excellence for Innovation in Chemistry, Faculty of Science, Lampang Rajabhat University, Lampang 52100, Thailand
| | - Wilart Pompimon
- Laboratory of Natural Products, Center of Excellence for Innovation in Chemistry, Faculty of Science, Lampang Rajabhat University, Lampang 52100, Thailand
| | - Kittipong Chainok
- Materials and Textile Technology, Faculty of Science and Technology, Thammasat University, Pathum Thani 12121, Thailand
| | - Suwadee Jiajaroen
- Division of Chemistry, Faculty of Science and Technology, Thammasat University, Pathum Thani 12121, Thailand
| | - Puttinan Meepowpan
- Department of Chemistry, and Center for Innovation in Chemistry, Faculty of Science, Chiang Mai 50300 University, Chiang Mai, Thailand
| | - Saranchana Tata
- Laboratory of Natural Products, Center of Excellence for Innovation in Chemistry, Faculty of Science, Lampang Rajabhat University, Lampang 52100, Thailand
| | - Phatra Tasit
- Laboratory of Natural Products, Center of Excellence for Innovation in Chemistry, Faculty of Science, Lampang Rajabhat University, Lampang 52100, Thailand
| | - Puracheth Rithchumpon
- Department of Chemistry, and Center for Innovation in Chemistry, Faculty of Science, Chiang Mai 50300 University, Chiang Mai, Thailand
| | - Narong Nuntasaen
- The Forest Herbarium, Department of National Park, Wildlife and Plant Conservation, Ministry of Natural Resources and Environment, Bangkok 10900, Thailand
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17
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Thaichana P, Summart R, Dejkriengkraikul P, Meepowpan P, Lee TR, Tuntiwechapikul W. Hydrosoluble Perylene Monoimide-Based Telomerase Inhibitors with Diminished Cytotoxicity. ACS Omega 2022; 7:16746-16756. [PMID: 35601338 PMCID: PMC9118414 DOI: 10.1021/acsomega.2c01343] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/06/2022] [Accepted: 04/08/2022] [Indexed: 06/15/2023]
Abstract
Telomerase is essential for the immortality characteristics of most cancers. Telomerase-specific inhibitors should render cancer cells to replicative senescence without acute cytotoxicity. Perylene-based G-quadruplex (G4) ligands are widely studied as telomerase inhibitors. Most reported perylene-based G4 ligands are perylene diimides (PDIs), which often suffer from self-aggregation in aqueous solutions. Previously, we found that PM2, a perylene monoimide (PMI), exhibited better solubility, G4 binding affinity, and telomerase inhibition than PIPER, the prototypic PDI. However, the acute cytotoxicity of PM2 was about 20-30 times more than PIPER in cancer cells. In this report, we replaced the piperazine side chain of PM2 with ethylenediamine to yield PM3 and replaced the N,N-diethylethylenediamine side chain of PM2 with the 1-(2-aminoethyl) piperidine to yield PM5. We found that asymmetric PMIs with two basic side chains (PM2, PM3, and PM5) performed better than PIPER (the prototypic PDI), in terms of hydrosolubility, G4 binding, in vitro telomerase inhibition, and suppression of human telomerase reverse transcriptase (hTERT) expression and telomerase activity in A549 cells. However, PM5 was 7-10 times less toxic than PM2 and PM3 in three cancer cell lines. We conclude that replacing the N,N-diethylethylenediamine side chain with the 2-aminoethylpiperidine on PMIs reduces the cytotoxicity in cancer cells without impacting G4 binding and telomerase inhibition. This study paves the way for synthesizing new PMIs with drug-like properties for selective telomerase inhibition.
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Affiliation(s)
- Pak Thaichana
- Department
of Biochemistry, Faculty of Medicine, Chiang
Mai University, Chiang
Mai 50200, Thailand
| | - Ratasark Summart
- Department
of Biochemistry, Faculty of Medicine, Chiang
Mai University, Chiang
Mai 50200, Thailand
| | - Pornngarm Dejkriengkraikul
- Department
of Biochemistry, Faculty of Medicine, Chiang
Mai University, Chiang
Mai 50200, Thailand
- Center
for Research and Development of Natural Products for Health, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Puttinan Meepowpan
- Department
of Chemistry, Faculty of Science, Chiang
Mai University, Chiang Mai 50200, Thailand
| | - T. Randall Lee
- Department
of Chemistry and the Texas Center for Superconductivity, University of Houston, Houston, Texas 77204-5003, United States
| | - Wirote Tuntiwechapikul
- Department
of Biochemistry, Faculty of Medicine, Chiang
Mai University, Chiang
Mai 50200, Thailand
- Center
for Research and Development of Natural Products for Health, Chiang Mai University, Chiang Mai 50200, Thailand
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18
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Punyodom W, Thapsukhon B, Meepowpan P, Limwanich W. Dibutyltin(IV) maleate as a new effective initiator for the ring-opening polymerization of ε-caprolactone: the non-isothermal kinetics, mechanism, and initiator’s performance in polymer synthesis. Polym Bull (Berl) 2022. [DOI: 10.1007/s00289-022-04234-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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19
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Cheechana N, Benchaphanthawee W, Akkravijitkul N, Rithchumpon P, Junpirom T, Limwanich W, Punyodom W, Kungwan N, Ngaojampa C, Thavornyutikarn P, Meepowpan P. Organocatalytic Ring-Opening Polymerization of ε-Caprolactone Using bis( N-( N'-butylimidazolium)alkane Dicationic Ionic Liquids as the Metal-Free Catalysts: Polymer Synthesis, Kinetics and DFT Mechanistic Study. Polymers (Basel) 2021; 13:polym13244290. [PMID: 34960841 PMCID: PMC8705680 DOI: 10.3390/polym13244290] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Revised: 12/03/2021] [Accepted: 12/03/2021] [Indexed: 01/31/2023] Open
Abstract
In this work, we successfully synthesized high thermal stable 1,n-bis(N-(N′-butylimidazolium)alkane bishexafluorophosphates (1,n-bis[Bim][PF6], n = 4, 6, 8, and 10) catalysts in 55–70% yields from imidazole which were applied as non-toxic DILs catalysts with 1-butanol as initiator for the bulk ROP of ε-caprolactone (CL) in the varied ratio of CL/nBuOH/1,4-bis[Bim][PF6] from 200/1.0/0.25–4.0 to 700/1.0/0.25–4.0 by mol%. The result found that the optimal ratio of CL/nBuOH/1,4-bis[Bim][PF6] 400/1.0/0.5 mol% at 120 °C for 72 h led to the polymerization conversions higher than 95%, with the molecular weight (Mw) of PCL 20,130 g mol−1 (Đ~1.80). The polymerization rate of CL increased with the decreasing linker chain length of ionic liquids. Moreover, the mechanistic study was investigated by DFT using B3LYP (6–31G(d,p)) as basis set. The most plausible mechanism included the stepwise and coordination insertion in which the alkoxide insertion step is the rate-determining step.
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Affiliation(s)
- Nathaporn Cheechana
- Department of Chemistry, Faculty of Science, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai 50200, Thailand; (N.C.); (W.B.); (N.A.); (P.R.); (T.J.); (W.P.); (N.K.); (C.N.); (P.T.)
- Graduate School, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai 50200, Thailand
| | - Wachara Benchaphanthawee
- Department of Chemistry, Faculty of Science, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai 50200, Thailand; (N.C.); (W.B.); (N.A.); (P.R.); (T.J.); (W.P.); (N.K.); (C.N.); (P.T.)
- Graduate School, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai 50200, Thailand
| | - Natthapol Akkravijitkul
- Department of Chemistry, Faculty of Science, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai 50200, Thailand; (N.C.); (W.B.); (N.A.); (P.R.); (T.J.); (W.P.); (N.K.); (C.N.); (P.T.)
- Graduate School, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai 50200, Thailand
| | - Puracheth Rithchumpon
- Department of Chemistry, Faculty of Science, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai 50200, Thailand; (N.C.); (W.B.); (N.A.); (P.R.); (T.J.); (W.P.); (N.K.); (C.N.); (P.T.)
- Graduate School, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai 50200, Thailand
| | - Thiti Junpirom
- Department of Chemistry, Faculty of Science, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai 50200, Thailand; (N.C.); (W.B.); (N.A.); (P.R.); (T.J.); (W.P.); (N.K.); (C.N.); (P.T.)
| | - Wanich Limwanich
- Faculty of Sciences and Agricultural Technology, Rajamangala University of Technology Lanna, 128 Huay Kaew Road, Chiang Mai 50300, Thailand;
| | - Winita Punyodom
- Department of Chemistry, Faculty of Science, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai 50200, Thailand; (N.C.); (W.B.); (N.A.); (P.R.); (T.J.); (W.P.); (N.K.); (C.N.); (P.T.)
- Center of Excellence for Innovation in Chemistry (PERCH-CIC), Faculty of Science, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai 50200, Thailand
- Center of Excellence in Materials Science and Technology, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai 50200, Thailand
| | - Nawee Kungwan
- Department of Chemistry, Faculty of Science, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai 50200, Thailand; (N.C.); (W.B.); (N.A.); (P.R.); (T.J.); (W.P.); (N.K.); (C.N.); (P.T.)
- Center of Excellence for Innovation in Chemistry (PERCH-CIC), Faculty of Science, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai 50200, Thailand
- Center of Excellence in Materials Science and Technology, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai 50200, Thailand
| | - Chanisorn Ngaojampa
- Department of Chemistry, Faculty of Science, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai 50200, Thailand; (N.C.); (W.B.); (N.A.); (P.R.); (T.J.); (W.P.); (N.K.); (C.N.); (P.T.)
| | - Praput Thavornyutikarn
- Department of Chemistry, Faculty of Science, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai 50200, Thailand; (N.C.); (W.B.); (N.A.); (P.R.); (T.J.); (W.P.); (N.K.); (C.N.); (P.T.)
| | - Puttinan Meepowpan
- Department of Chemistry, Faculty of Science, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai 50200, Thailand; (N.C.); (W.B.); (N.A.); (P.R.); (T.J.); (W.P.); (N.K.); (C.N.); (P.T.)
- Center of Excellence for Innovation in Chemistry (PERCH-CIC), Faculty of Science, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai 50200, Thailand
- Center of Excellence in Materials Science and Technology, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai 50200, Thailand
- Correspondence:
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20
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Sriyai M, Tasati J, Molloy R, Meepowpan P, Somsunan R, Worajittiphon P, Daranarong D, Meerak J, Punyodom W. Development of an Antimicrobial-Coated Absorbable Monofilament Suture from a Medical-Grade Poly(l-lactide- co-ε-caprolactone) Copolymer. ACS Omega 2021; 6:28788-28803. [PMID: 34746572 PMCID: PMC8567407 DOI: 10.1021/acsomega.1c03569] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/07/2021] [Accepted: 10/07/2021] [Indexed: 06/12/2023]
Abstract
In this study, a medical-grade poly(l-lactide-co-ε-caprolactone) (PLC) copolymer with a monomer ratio of l-lactide (L) to ε-caprolactone (C) of 70:30 mol % for use as an absorbable surgical suture was synthesized via ring-opening polymerization (ROP) using a novel soluble liquid tin(II) n-butoxide (Sn(OnC4H9)2) as an initiator. In fiber fabrication, the process included copolymer melt extrusion with a minimal draw followed by sequential controlled hot-drawing and fixed-annealing steps to obtain oriented semicrystalline fibers with improved mechanical strength. For healing enhancement, the fiber was dip-coated with "levofloxacin" by adding the drug into a solution mixture of acetone, poly(ε-caprolactone) (PCL), and calcium stearate (CaSt) in the ratio of acetone/PCL/CaSt = 100:1% w/v:0.1% w/v. The tensile strength of the coated fiber was found to be increased to ∼400 MPa, which is comparable with that of commercial polydioxanone (PDS II) of a similar size. Finally, the efficiency of the drug-coated fiber regarding its controlled drug release and antimicrobial activity was investigated, and the results showed that the coated fiber was able to release the drug continuously for as long as 30 days. For fiber antimicrobial activity, it was found that a concentration of 1 mg/mL was sufficient to inhibit the growth of Staphylococcus aureus (MRSA), Escherichia coli O157:H7, and Pseudomonas aeruginosa, giving a clear inhibition zone range of 20-24 mm for 90 days. Cytotoxicity testing of the drug-coated fibers showed a %viability of more than 70%, indicating that they were nontoxic.
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Affiliation(s)
- Montira Sriyai
- Bioplastics
Production Laboratory for Medical Applications, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand
- Center
of Excellence in Materials Science and Technology, Chiang Mai University, Chiang
Mai 50200, Thailand
| | - Jagkrit Tasati
- Department
of Chemistry, Faculty of Science, Chiang
Mai University, Chiang Mai 50200, Thailand
| | - Robert Molloy
- Center
of Excellence in Materials Science and Technology, Chiang Mai University, Chiang
Mai 50200, Thailand
| | - Puttinan Meepowpan
- Department
of Chemistry, Faculty of Science, Chiang
Mai University, Chiang Mai 50200, Thailand
- Center
of Excellence in Materials Science and Technology, Chiang Mai University, Chiang
Mai 50200, Thailand
| | - Runglawan Somsunan
- Department
of Chemistry, Faculty of Science, Chiang
Mai University, Chiang Mai 50200, Thailand
- Center
of Excellence in Materials Science and Technology, Chiang Mai University, Chiang
Mai 50200, Thailand
| | - Patnarin Worajittiphon
- Department
of Chemistry, Faculty of Science, Chiang
Mai University, Chiang Mai 50200, Thailand
- Center
of Excellence in Materials Science and Technology, Chiang Mai University, Chiang
Mai 50200, Thailand
| | - Donraporn Daranarong
- Center
of Excellence in Materials Science and Technology, Chiang Mai University, Chiang
Mai 50200, Thailand
- Science
and Technology Research Institute, Chiang
Mai University, Chiang Mai 50200, Thailand
| | - Jomkwan Meerak
- Center
of Excellence in Materials Science and Technology, Chiang Mai University, Chiang
Mai 50200, Thailand
- Department
of Biology, Faculty of Science, Chiang Mai
University, Chiang Mai 50200, Thailand
| | - Winita Punyodom
- Department
of Chemistry, Faculty of Science, Chiang
Mai University, Chiang Mai 50200, Thailand
- Center
of Excellence in Materials Science and Technology, Chiang Mai University, Chiang
Mai 50200, Thailand
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21
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Rithchumpon P, Intakaew N, Khamto N, Yimklan S, Nimmanpipug P, Thavornyutikarn P, Meepowpan P. Synthesis and application of methyl itaconate-anthracene adducts in configuration assignment of chiral secondary alcohols by 1H NMR. Org Biomol Chem 2021; 19:8955-8967. [PMID: 34581721 DOI: 10.1039/d1ob01387d] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Novel chiral derivatising agents (CDAs) such as methyl itaconate-anthracene adducts (MIAs) were reported for the absolute configuration determination of chiral secondary alcohols by the 1H NMR technique. These adducts were facilely prepared through well-known reactions, and furthermore, commercially available starting materials. According to these synthetic routes, the desired MIAs were afforded in 6 steps with 49% overall yield from dimethyl itaconate. Moreover, the represented MIAs provided significantly large differences of chemical shift values (ΔδSR). No racemisation from the tertiary characteristics of the adjacent alpha carbon was observed.
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Affiliation(s)
- Puracheth Rithchumpon
- Department of Chemistry, Faculty of Science, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai, 50200, Thailand. .,Graduate School, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai 50200, Thailand
| | - Neeranuth Intakaew
- Department of Chemistry, Faculty of Science, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai, 50200, Thailand. .,Graduate School, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai 50200, Thailand.,Center of Excellence for Innovation in Chemistry (PERCH-CIC), Faculty of Science, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai 50200, Thailand
| | - Nopawit Khamto
- Department of Chemistry, Faculty of Science, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai, 50200, Thailand. .,Graduate School, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai 50200, Thailand
| | - Saranpong Yimklan
- Department of Chemistry, Faculty of Science, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai, 50200, Thailand.
| | - Piyarat Nimmanpipug
- Department of Chemistry, Faculty of Science, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai, 50200, Thailand.
| | - Praput Thavornyutikarn
- Department of Chemistry, Faculty of Science, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai, 50200, Thailand.
| | - Puttinan Meepowpan
- Department of Chemistry, Faculty of Science, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai, 50200, Thailand. .,Center of Excellence for Innovation in Chemistry (PERCH-CIC), Faculty of Science, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai 50200, Thailand.,Center of Excellence in Materials Science and Technology, Faculty of Science, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai 50200, Thailand
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22
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Rithchumpon P, Intakaew N, Khamto N, Yimklan S, Nimmanpipug P, Thavornyutikarn P, Meepowpan P. Correction: Synthesis and application of methyl itaconate-anthracene adducts in configuration assignment of chiral secondary alcohols by 1H NMR. Org Biomol Chem 2021; 19:9081. [PMID: 34657953 DOI: 10.1039/d1ob90146j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Correction for 'Synthesis and application of methyl itaconate-anthracene adducts in configuration assignment of chiral secondary alcohols by 1H NMR' by Puracheth Rithchumpon et al., Org. Biomol. Chem., 2021, DOI: 10.1039/D1OB01387D.
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Affiliation(s)
- Puracheth Rithchumpon
- Department of Chemistry, Faculty of Science, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai, 50200, Thailand. .,Graduate School, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai 50200, Thailand
| | - Neeranuth Intakaew
- Department of Chemistry, Faculty of Science, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai, 50200, Thailand. .,Graduate School, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai 50200, Thailand.,Center of Excellence for Innovation in Chemistry (PERCH-CIC), Faculty of Science, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai 50200, Thailand
| | - Nopawit Khamto
- Department of Chemistry, Faculty of Science, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai, 50200, Thailand. .,Graduate School, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai 50200, Thailand
| | - Saranphong Yimklan
- Department of Chemistry, Faculty of Science, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai, 50200, Thailand.
| | - Piyarat Nimmanpipug
- Department of Chemistry, Faculty of Science, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai, 50200, Thailand.
| | - Praput Thavornyutikarn
- Department of Chemistry, Faculty of Science, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai, 50200, Thailand.
| | - Puttinan Meepowpan
- Department of Chemistry, Faculty of Science, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai, 50200, Thailand. .,Center of Excellence for Innovation in Chemistry (PERCH-CIC), Faculty of Science, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai 50200, Thailand.,Center of Excellence in Materials Science and Technology, Faculty of Science, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai 50200, Thailand
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23
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Mekpothi T, Meepowpan P, Sriyai M, Molloy R, Punyodom W. Novel Poly(Methylenelactide- g-L-Lactide) Graft Copolymers Synthesized by a Combination of Vinyl Addition and Ring-Opening Polymerizations. Polymers (Basel) 2021; 13:3374. [PMID: 34641191 PMCID: PMC8512580 DOI: 10.3390/polym13193374] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Revised: 09/18/2021] [Accepted: 09/21/2021] [Indexed: 11/16/2022] Open
Abstract
In this work, a novel poly (methylenelactide-g-L-lactide), P(MLA-g-LLA) graft copolymer was synthesized from poly(methylenelactide) (PMLA) and L-lactide (LLA) using 0.03 mol% liquid tin(II) n-butoxide (Sn(OnBu)2) as an initiator by a combination of vinyl addition and ring-opening polymerization (ROP) at 120 °C for 72 h. Proton and carbon-13 nuclear magnetic resonance spectroscopy (1H- and 13C-NMR) and Fourier-transform infrared spectroscopy (FT-IR) confirmed the grafted structure of P(MLA-g-LLA). The P(MLA-g-LLA) melting temperatures (Tm) range of 144-164 °C, which was lower than that of PLA (170-180 °C), while the thermal decomposition temperature (Td) of around 314-335 °C was higher than that of PLA (approx. 300 °C). These results indicated that the grafting reaction could widen the melt processing range of PLA and in doing so increase PLA's thermal stability during melt processing. The graft copolymers were obtained with weight-average molecular weights (M¯w) = 4200-11,000 g mol-1 and a narrow dispersity (Đ = 1.1-1.4).
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Affiliation(s)
- Tanyaluck Mekpothi
- Department of Chemistry, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand; (T.M.); (P.M.)
- Center of Excellence for Innovation in Chemistry (PERCH-CIC), Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Puttinan Meepowpan
- Department of Chemistry, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand; (T.M.); (P.M.)
- Center of Excellence for Innovation in Chemistry (PERCH-CIC), Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand
- Bioplastics Production Laboratory for Medical Applications, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand;
| | - Montira Sriyai
- Bioplastics Production Laboratory for Medical Applications, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand;
- Center of Excellence in Materials Science and Technology, Chiang Mai University, Chiang Mai 50200, Thailand;
- Materials Science Research Center, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Robert Molloy
- Center of Excellence in Materials Science and Technology, Chiang Mai University, Chiang Mai 50200, Thailand;
- Materials Science Research Center, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Winita Punyodom
- Department of Chemistry, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand; (T.M.); (P.M.)
- Center of Excellence for Innovation in Chemistry (PERCH-CIC), Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand
- Bioplastics Production Laboratory for Medical Applications, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand;
- Center of Excellence in Materials Science and Technology, Chiang Mai University, Chiang Mai 50200, Thailand;
- Materials Science Research Center, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand
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24
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Khamto N, Chaichuang L, Rithchumpon P, Phupong W, Bhoopong P, Tateing S, Pompimon W, Semakul N, Chomsri NO, Meepowpan P. Synthesis, cytotoxicity evaluation and molecular docking studies on 2',4'-dihydroxy-6'-methoxy-3',5'-dimethylchalcone derivatives. RSC Adv 2021; 11:31433-31447. [PMID: 35496846 PMCID: PMC9041536 DOI: 10.1039/d1ra05445g] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Accepted: 09/01/2021] [Indexed: 12/25/2022] Open
Abstract
2′,4′-Dihydroxy-6′-methoxy-3′,5′-dimethylchalcone (DMC, 1) was isolated from seeds of Syzygium nervosum A.Cunn. ex DC. exhibiting intriguing biological activities. Herein, thirty three DMC derivatives including 4′-O-monosubstituted-DMC (2), 7-O-acylated-4-hydroxycoumarin derivatives (3), stilbene–coumarin derivatives (4), 2′,4′-disubstituted-DMC (5), and flavanone derivatives (6), were synthesised through acylation, alkylations, and sulfonylation. These semi-synthetic DMC derivatives were evaluated for in vitro cytotoxicity against six carcinoma cell lines. It was found that most derivatives exhibited higher cytotoxicity than DMC. In particular, 4′-O-caproylated-DMC (2b) and 4′-O-methylated-DMC (2g) displayed the strongest cytotoxicity against SH-SY5Y with IC50 values of 5.20 and 7.52 μM, respectively. Additionally, 4′-O-benzylated-DMC (2h) demonstrated the strongest cytotoxicity against A-549 and FaDu with IC50 values of 9.99 and 13.98 μM, respectively. Our structure–activity relationship (SAR) highlights the importance of 2′-OH and the derivatisation pattern of 4′-OH. Furthermore, molecular docking simulation studies shed further light on how these bioactive compounds interact with cyclin-dependent kinase 2 (CDK2). Semi-synthetic DMC derivatives were synthesised and displayed biological potency against various cancer cell lines. ![]()
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Affiliation(s)
- Nopawit Khamto
- Department of Chemistry, Faculty of Science, Chiang Mai University 239 Huay Kaew Road Chiang Mai 50200 Thailand .,Graduate School, Chiang Mai University 239 Huay Kaew Road Chiang Mai 50200 Thailand
| | - Lada Chaichuang
- Department of Chemistry, Faculty of Science, Chiang Mai University 239 Huay Kaew Road Chiang Mai 50200 Thailand .,Graduate School, Chiang Mai University 239 Huay Kaew Road Chiang Mai 50200 Thailand
| | - Puracheth Rithchumpon
- Department of Chemistry, Faculty of Science, Chiang Mai University 239 Huay Kaew Road Chiang Mai 50200 Thailand .,Graduate School, Chiang Mai University 239 Huay Kaew Road Chiang Mai 50200 Thailand
| | - Worrapong Phupong
- School of Science, Walailak University 222 Thaiburi Nakhon Si Thammarat 80161 Thailand
| | - Phuangthip Bhoopong
- School of Allied Health Science, Walailak University 222 Thaiburi Nakhon Si Thammarat 80161 Thailand
| | - Suriya Tateing
- Department of Plant and Soil Sciences, Faculty of Agriculture, Chiang Mai University 239 Huay Kaew Road Chiang Mai 50200 Thailand
| | - Wilart Pompimon
- Laboratory of Natural Products, Centre for Innovation in Chemistry, Faculty of Science, Lampang Rajabhat University Lampang 52100 Thailand
| | - Natthawat Semakul
- Department of Chemistry, Faculty of Science, Chiang Mai University 239 Huay Kaew Road Chiang Mai 50200 Thailand .,Center of Excellence in Materials Science and Technology, Chiang Mai University 239 Huay Kaew Road Chiang Mai 50200 Thailand
| | - Ni-Orn Chomsri
- Agricultural Technology Research Institute (ATRI), Rajamangala University of Technology Lanna 202 Pichai District Lampang 52100 Thailand
| | - Puttinan Meepowpan
- Department of Chemistry, Faculty of Science, Chiang Mai University 239 Huay Kaew Road Chiang Mai 50200 Thailand .,Center of Excellence in Materials Science and Technology, Chiang Mai University 239 Huay Kaew Road Chiang Mai 50200 Thailand
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25
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Kerdphon S, Jongcharoenkamol J, Chatwichien J, Singh T, Channei D, Choommongkol V, Rithchumpon P, Meepowpan P. Microwave‐Assisted Green Synthesis of 2,3‐Dihydroquinazolinones under Base‐ and Catalyst‐Free conditions. ChemistrySelect 2021. [DOI: 10.1002/slct.202101063] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Sutthichat Kerdphon
- Department of Chemistry Faculty of Science Naresuan University Phitsanulok 65000 Thailand
| | - Jira Jongcharoenkamol
- Department of Pharmaceutical Chemistry and Pharmacognosy Faculty of Pharmaceutical Sciences Naresuan University Phitsanulok 65000 Thailand
| | - Jaruwan Chatwichien
- Program in Chemical Sciences Chulabhorn Graduate Institute Chulabhorn Royal Academy Bangkok 10210 Thailand
| | - Thishana Singh
- School of Chemistry and Physics University of Kwazulu-Natal Private Bag X54001 Durban, 4000 South Africa
| | - Duangdao Channei
- Department of Chemistry Faculty of Science Naresuan University Phitsanulok 65000 Thailand
| | - Vachira Choommongkol
- Department of Chemistry Faculty of Science Maejo University Chiang Mai 50290 Thailand
| | - Puracheth Rithchumpon
- Department of Chemistry Faculty of Science and Graduate School Chiang Mai University Chiang Mai 50200 Thailand
| | - Puttinan Meepowpan
- Department of Chemistry Faculty of Science and Graduate School Chiang Mai University Chiang Mai 50200 Thailand
- Center of Excellence in Material Science and Technology Chiang Mai University Chiang Mai 50200 Thailand
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26
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Punyodom W, Limwanich W, Meepowpan P, Thapsukhon B. Ring-opening polymerization of ε-caprolactone initiated by tin(II) octoate/ n-hexanol: DSC isoconversional kinetics analysis and polymer synthesis. Des Monomers Polym 2021; 24:89-97. [PMID: 33889054 PMCID: PMC8043532 DOI: 10.1080/15685551.2021.1908657] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022] Open
Abstract
The kinetics of ring-opening polymerization (ROP) of ε-caprolactone (ε-CL) initiated by 1.0, 1.5 and 2.0 mol% of stannous(II) octoate/n-hexanol (Sn(Oct)2/n-HexOH) wase successfully studied by non-isothermal differential scanning calorimetry (DSC) at heating rates of 5, 10, 15 and 20 °C/min. The DSC polymerization kinetic parameters of ε-CL were calculated using differential (Friedman) and integral isoconversional methods (Kissinger-Akahira-Sunose, KAS). The average activation energy (Ea ) values obtained from Friedman and KAS methods were in the range of 64.9-70.5 kJ/mol and 64.9-80.4 kJ/mol, respectively. The values of frequency factor (A) were determined from model fitting method using Avrami-Erofeev reaction model. The average values of A for the ROP of ε-CL initiated by 1.0, 1.5 and 2.0 mol% of Sn(Oct)2/n-HexOH (1:2) were 7.3x107, 2.8x106 and 1.2x106 min-1, respectively. From kinetics studied, the polymerization rate of ε-CL increased with increasing initiator concentration. The performance of Sn(Oct)2/n-HexOH in the synthesis of poly(ε-caprolactone) (PCL) was investigated by bulk polymerization at temperatures of 140, 160 and 180 °C. Sn(Oct)2/n-HexOH (1:2) could produce high number average molecular weight ( M n ‾ = 9.0 × 104 g/mol) and %yield (89%) of PCL in a short period of time at Sn(Oct)2 concentration of 0.1 mol% and temperature of 160°C. The mechanism of the ROP of ε-CL with Sn(Oct)2/n-HexOH was proposed through the coordination-insertion mechanism.
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Affiliation(s)
- Winita Punyodom
- Polymer Research Laboratory, Department of Chemistry, Faculty of Science, Chiang Mai University, Chiang Mai, Thailand.,Center of Excellence in Materials Science and Technology, Chiang Mai University, Chiang Mai, Thailand
| | - Wanich Limwanich
- Faculty of Sciences and Agricultural Technology, Rajamangala University of Technology Lanna, Chiang Mai, Thailand
| | - Puttinan Meepowpan
- Polymer Research Laboratory, Department of Chemistry, Faculty of Science, Chiang Mai University, Chiang Mai, Thailand.,Center of Excellence in Materials Science and Technology, Chiang Mai University, Chiang Mai, Thailand
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Papan P, Kantapan J, Sangthong P, Meepowpan P, Dechsupa N. Iron (III)-Quercetin Complex: Synthesis, Physicochemical Characterization, and MRI Cell Tracking toward Potential Applications in Regenerative Medicine. Contrast Media Mol Imaging 2020; 2020:8877862. [PMID: 33456403 PMCID: PMC7785384 DOI: 10.1155/2020/8877862] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/15/2020] [Revised: 12/09/2020] [Accepted: 12/16/2020] [Indexed: 12/20/2022]
Abstract
In cell therapy, contrast agents T1 and T2 are both needed for the labeling and tracking of transplanted stem cells over extended periods of time through magnetic resonance imaging (MRI). Importantly, the metal-quercetin complex via coordination chemistry has been studied extensively for biomedical applications, such as anticancer therapies and imaging probes. Herein, we report on the synthesis, characterization, and labeling of the iron (III)-quercetin complex, "IronQ," in circulating proangiogenic cells (CACs) and also explore tracking via the use of a clinical 1.5 Tesla (T) MRI scanner. Moreover, IronQ had a paramagnetic T1 positive contrast agent property with a saturation magnetization of 0.155 emu/g at 1.0 T and longitudinal relaxivity (r1) values of 2.29 and 3.70 mM-1s-1 at 1.5 T for water and human plasma, respectively. Surprisingly, IronQ was able to promote CAC growth in conventional cell culture systems without the addition of specific growth factors. Increasing dosages of IronQ from 0 to 200 μg/mL led to higher CAC uptake, and maximum labeling time was achieved in 10 days. The accumulated IronQ in CACs was measured by two methodologies, an inductively coupled plasma optical emission spectrometry (ICP-EOS) and T1-weighted MRI. In our research, we confirmed that IronQ has excellent dual functions with the use of an imaging probe for MRI. IronQ can also act as a stimulating agent by favoring circulating proangiogenic cell differentiation. Optimistically, IronQ is considered beneficial for alternative labeling and in the tracking of circulation proangiogenic cells and/or other stem cells in applications of cell therapy through noninvasive magnetic resonance imaging in both preclinical and clinical settings.
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Affiliation(s)
- Phakorn Papan
- Research Unit of Molecular Imaging Probes and Radiobiology, Department of Radiologic Technology, Faculty of Associated Medical Sciences, Chiang Mai University, Chiang Mai 50200, Thailand
- Department of Chemistry, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Jiraporn Kantapan
- Research Unit of Molecular Imaging Probes and Radiobiology, Department of Radiologic Technology, Faculty of Associated Medical Sciences, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Padchanee Sangthong
- Department of Chemistry, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Puttinan Meepowpan
- Department of Chemistry, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Nathupakorn Dechsupa
- Research Unit of Molecular Imaging Probes and Radiobiology, Department of Radiologic Technology, Faculty of Associated Medical Sciences, Chiang Mai University, Chiang Mai 50200, Thailand
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28
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Sriyai M, Chaiwon T, Molloy R, Meepowpan P, Punyodom W. Efficiency of liquid tin(ii) n-alkoxide initiators in the ring-opening polymerization of l-lactide: kinetic studies by non-isothermal differential scanning calorimetry. RSC Adv 2020; 10:43566-43578. [PMID: 35519714 PMCID: PMC9058326 DOI: 10.1039/d0ra07635j] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2020] [Accepted: 11/11/2020] [Indexed: 11/21/2022] Open
Abstract
Novel soluble liquid tin(ii) n-butoxide (Sn(OnC4H9)2), tin(ii) n-hexoxide (Sn(OnC6H13)2), and tin(ii) n-octoxide (Sn(OnC8H17)2) initiators were synthesized for use as coordination–insertion initiators in the bulk ring-opening polymerization (ROP) of l-lactide (LLA). In order to compare their efficiencies with the more commonly used tin(ii) 2-ethylhexanoate (stannous octoate, Sn(Oct)2) and conventional tin(ii) octoate/n-alcohol (SnOct2/nROH) initiating systems, kinetic parameters derived from monomer conversion data were obtained from non-isothermal differential scanning calorimetry (DSC). In this work, the three non-isothermal DSC kinetic approaches including dynamic (Kissinger, Flynn–Wall, and Ozawa); isoconversional (Friedman, Kissinger–Akahira–Sunose (KAS) and Ozawa–Flynn–Wall (OFW)); and Borchardt and Daniels (B/D) methods of data analysis were compared. The kinetic results showed that, under the same conditions, the rate of polymerization for the 7 initiators/initiating systems was in the order of liquid Sn(OnC4H9)2 > Sn(Oct)2/nC4H9OH > Sn(Oct)2 ≅ liquid Sn(OnC6H13)2 > Sn(Oct)2/nC6H13OH ≅ liquid Sn(OnC8H17)2 > Sn(Oct)2/nC8H17OH. The lowest activation energies (Ea = 52, 59, and 56 kJ mol−1 for the Kissinger, Flynn–Wall, and Ozawa dynamic methods; Ea = 53–60, 55–58, and 60–62 kJ mol−1 for the Friedman, KAS, and OFW isoconversional methods; and Ea = 76–84 kJ mol−1 for the B/D) were found in the polymerizations using the novel liquid Sn(OnC4H9)2 as the initiator, thereby showing it to be the most efficient initiator in the ROP of l-lactide. The efficiency of homogeneous liquid tin(ii) n-alkoxide initiators in the ROP of l-lactide was reported in this work by non-isothermal DSC kinetic approaches.![]()
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Affiliation(s)
- Montira Sriyai
- Department of Chemistry, Faculty of Science, Chiang Mai University Chiang Mai 50200 Thailand.,Center of Excellence for Innovation in Chemistry (PERCH-CIC), Faculty of Science, Chiang Mai University Chiang Mai 50200 Thailand.,Graduate School, Chiang Mai University Chiang Mai 50200 Thailand
| | - Tawan Chaiwon
- Department of Chemistry, Faculty of Science, Chiang Mai University Chiang Mai 50200 Thailand.,Graduate School, Chiang Mai University Chiang Mai 50200 Thailand
| | - Robert Molloy
- Center of Excellence in Materials Science and Technology, Chiang Mai University Chiang Mai 50200 Thailand
| | - Puttinan Meepowpan
- Department of Chemistry, Faculty of Science, Chiang Mai University Chiang Mai 50200 Thailand.,Center of Excellence for Innovation in Chemistry (PERCH-CIC), Faculty of Science, Chiang Mai University Chiang Mai 50200 Thailand.,Center of Excellence in Materials Science and Technology, Chiang Mai University Chiang Mai 50200 Thailand
| | - Winita Punyodom
- Department of Chemistry, Faculty of Science, Chiang Mai University Chiang Mai 50200 Thailand.,Center of Excellence for Innovation in Chemistry (PERCH-CIC), Faculty of Science, Chiang Mai University Chiang Mai 50200 Thailand.,Center of Excellence in Materials Science and Technology, Chiang Mai University Chiang Mai 50200 Thailand
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Summart R, Thaichana P, Supan J, Meepowpan P, Lee TR, Tuntiwechapikul W. Superiority of an Asymmetric Perylene Diimide in Terms of Hydrosolubility, G-Quadruplex Binding, Cellular Uptake, and Telomerase Inhibition in Prostate Cancer Cells. ACS Omega 2020; 5:29733-29745. [PMID: 33251409 PMCID: PMC7689663 DOI: 10.1021/acsomega.0c03505] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Accepted: 11/05/2020] [Indexed: 05/11/2023]
Abstract
Perylene diimide (PDI) derivatives have been studied as G-quadruplex ligands that suppress telomerase activity by facilitating G-quadruplex formation of telomeric DNA and the hTERT promoter. PIPER, the prototypical PDI, reduces telomerase activity in lung and prostate cancer cells, leading to telomere shortening and cellular senescence of these cells. However, PIPER suffers from poor hydrosolubility and the propensity to aggregate at neutral pH. In this report, we synthesized a new asymmetric PDI, aPDI-PHis, which maintains one N-ethyl piperidine side chain of PIPER and has histidine as another side chain. The results show that aPDI-PHis is superior to its symmetric counterparts, PIPER and PDI-His, in terms of hydrosolubility, G-quadruplex binding, cellular uptake, and telomerase inhibition in prostate cancer cells. These results suggest that one N-ethyl piperidine side chain of PDI is sufficient for G-quadruplex binding, while another side chain can be tuned to elicit desirable properties. These findings might lead to better PDIs for use as anticancer drugs.
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Affiliation(s)
- Ratasark Summart
- Department
of Biochemistry, Faculty of Medicine, Chiang
Mai University, 110 Intavaroros Road, Chiang Mai 50200, Thailand
| | - Pak Thaichana
- Department
of Biochemistry, Faculty of Medicine, Chiang
Mai University, 110 Intavaroros Road, Chiang Mai 50200, Thailand
| | - Jutharat Supan
- Department
of Biochemistry, Faculty of Medicine, Chiang
Mai University, 110 Intavaroros Road, Chiang Mai 50200, Thailand
| | - Puttinan Meepowpan
- Department
of Chemistry, Faculty of Science, Chiang
Mai University, Chiang
Mai 50200, Thailand
| | - T. Randall Lee
- Department
of Chemistry and the Texas Center for Superconductivity, University of Houston, Houston, Texas 77204-5003, United States
| | - Wirote Tuntiwechapikul
- Department
of Biochemistry, Faculty of Medicine, Chiang
Mai University, 110 Intavaroros Road, Chiang Mai 50200, Thailand
- . Tel: +66-53-945323.
Fax: +66-53-894031
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Limwanich W, Meepowpan P, Sriyai M, Chaiwon T, Punyodom W. Eco-friendly synthesis of biodegradable poly(ε-caprolactone) using L-lactic and glycolic acids as organic initiator. Polym Bull (Berl) 2020. [DOI: 10.1007/s00289-020-03401-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Kerdphon S, Sanghong P, Chatwichien J, Choommongkol V, Rithchumpon P, Singh T, Meepowpan P. Commercial Copper-Catalyzed Aerobic Oxidative Synthesis of Quinazolinones from 2-Aminobenzamide and Methanol. European J Org Chem 2020. [DOI: 10.1002/ejoc.202000257] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Affiliation(s)
- Sutthichat Kerdphon
- Department of Chemistry; Faculty of Science; Naresuan University; 65000 Phitsanulok Thailand
| | - Patthadon Sanghong
- Department of Chemistry; Faculty of Science; Naresuan University; 65000 Phitsanulok Thailand
| | - Jaruwan Chatwichien
- Program in Chemical Sciences; Chulabhorn Graduate Institute; Chulabhorn Royal Academy; 10210 Bangkok Thailand
| | - Vachira Choommongkol
- Department of Chemistry; Faculty of Science; Maejo University; 50290 Chiang Mai Thailand
| | - Puracheth Rithchumpon
- Department of Chemistry; Faculty of Science, and Graduate School; Chiang Mai University; 50200 Chiang Mai Thailand
| | - Thishana Singh
- School of Chemistry and Physics; University of Kwazulu-Natal; Private Bag X54001 4000 Durban South Africa
| | - Puttinan Meepowpan
- Department of Chemistry; Faculty of Science, and Graduate School; Chiang Mai University; 50200 Chiang Mai Thailand
- Center of Excellence in Materials Science and Technology; Chiang Mai University; 239 Huay Kaew Road 50200 Chiang Mai Thailand
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Phetsuk S, Molloy R, Nalampang K, Meepowpan P, Topham PD, Tighe BJ, Punyodom W. Physical and thermal properties of
l‐
lactide/ϵ‐caprolactone copolymers: the role of microstructural design. POLYM INT 2019. [DOI: 10.1002/pi.5940] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Sawarot Phetsuk
- Department of Chemistry, Faculty of ScienceChiang Mai University Chiang Mai Thailand
| | - Robert Molloy
- Department of Chemistry, Faculty of ScienceChiang Mai University Chiang Mai Thailand
- Center of Excellence in Materials Science and Technology, Chiang Mai University Chiang Mai Thailand
| | - Kanarat Nalampang
- Department of Chemistry, Faculty of ScienceChiang Mai University Chiang Mai Thailand
- Center of Excellence in Materials Science and Technology, Chiang Mai University Chiang Mai Thailand
| | - Puttinan Meepowpan
- Department of Chemistry, Faculty of ScienceChiang Mai University Chiang Mai Thailand
- Center of Excellence in Materials Science and Technology, Chiang Mai University Chiang Mai Thailand
| | - Paul D Topham
- Aston Institute of Materials Research, Aston University Birmingham UK
| | - Brian J Tighe
- Chemical Engineering and Applied ChemistryAston University Birmingham UK
| | - Winita Punyodom
- Department of Chemistry, Faculty of ScienceChiang Mai University Chiang Mai Thailand
- Center of Excellence in Materials Science and Technology, Chiang Mai University Chiang Mai Thailand
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Intakaew N, Rithchumpon P, Prommin C, Yimklan S, Kungwan N, Thavornyutikarn P, Meepowpan P. Synthesis and characterization of novel chiral derivatizing agents containing β-keto-anthracene adducts (KAAs) by 1H-NMR: aromatic influence and chiral alcohol absolute configuration determination. Org Biomol Chem 2019; 17:541-554. [DOI: 10.1039/c8ob02662a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
New chiral derivatizing agents and the effect of aromatic rings were investigated for absolute configuration of chiral alcohols via1H-NMR.
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Affiliation(s)
- Neeranuth Intakaew
- Department of Chemistry
- Faculty of Science
- Chiang Mai University
- Chiang Mai 50200
- Thailand
| | - Puracheth Rithchumpon
- Department of Chemistry
- Faculty of Science
- Chiang Mai University
- Chiang Mai 50200
- Thailand
| | - Chanatkran Prommin
- Department of Chemistry
- Faculty of Science
- Chiang Mai University
- Chiang Mai 50200
- Thailand
| | - Saranphong Yimklan
- Department of Chemistry
- Faculty of Science
- Chiang Mai University
- Chiang Mai 50200
- Thailand
| | - Nawee Kungwan
- Department of Chemistry
- Faculty of Science
- Chiang Mai University
- Chiang Mai 50200
- Thailand
| | | | - Puttinan Meepowpan
- Department of Chemistry
- Faculty of Science
- Chiang Mai University
- Chiang Mai 50200
- Thailand
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Meechai I, Phupong W, Chunglok W, Meepowpan P. Dihydroosajaxanthone: A New Natural Xanthone from the Branches of Garcinia Schomburgkiana Pierre. Iran J Pharm Res 2018; 17:1347-1352. [PMID: 30568693 PMCID: PMC6269574] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 10/29/2022]
Abstract
Garcinia schomburgkiana, locally known in Thailand as an edible fruit "Ma-dan", is a plant species of the Clusiaceae family which has been reported as sources of a variety of compounds with biological activities. In the phytochemical studies of Ma-dan, four xanthones were, for the very first time, isolated from the branch acetone extract of G. schomburgkiana. Their structures were determined through the analysis of spectroscopic data (1H, 13C-NMR, IR and MS) and the comparison with those previously reported. Dihydroosajaxanthone (1), an original synthetic xanthone, is reported herein for the first time as a naturally occurring xanthone, together with three known xanthones: xanthochymone A (2), 1,3,7-trihydroxy-2-(3-hydroxy-3-methylbutyl) xanthone (3) and 1,3,5,6-tetrahydroxyxanthone (4). These compounds, especially dihydroosajaxanthone (1), might be considered as chemotaxonomic markers of the Garcinia genus.
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Affiliation(s)
- Imron Meechai
- Department of Chemistry, School of Science, Walailak University, Nakhon Si Thammarat, 80161, Thailand.
| | - Worrapong Phupong
- Department of Chemistry, School of Science, Walailak University, Nakhon Si Thammarat, 80161, Thailand. ,Corresponding author: E-mail:
| | - Warangkana Chunglok
- Department of Medical Technology, School of Allied Health Sciences, Walailak University, Nakhon Si Thammarat, 80161 Thailand.
| | - Puttinan Meepowpan
- Department of Chemistry, Faculty of Science, Chiang Mai University, Chiang Mai, 50200, Thailand.
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Meechai I, Phupong W, Chunglok W, Meepowpan P. Antioxidant Properties and Phytochemical Contents of Garcinia schomburgkiana Pierre. ACTA ACUST UNITED AC 2016. [DOI: 10.7324/japs.2016.60618] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Limwanich W, Punyodom W, Kungwan N, Meepowpan P. DSC Kinetics Analysis for the Synthesis of Three-Arms Poly(ε-caprolactone) Using Aluminum Tri-sec-Butoxide as Initiator. INT J CHEM KINET 2015. [DOI: 10.1002/kin.20944] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Wanich Limwanich
- Faculty of Sciences and Agricultural Technology; Rajamangala University of Technology Lanna; Chiang Mai Thailand 50300
| | - Winita Punyodom
- Polymer Research Laboratory; Department of Chemistry; Faculty of Science; Chiang Mai University; Chiang Mai Thailand 50200
| | - Nawee Kungwan
- Polymer Research Laboratory; Department of Chemistry; Faculty of Science; Chiang Mai University; Chiang Mai Thailand 50200
| | - Puttinan Meepowpan
- Polymer Research Laboratory; Department of Chemistry; Faculty of Science; Chiang Mai University; Chiang Mai Thailand 50200
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Tacha S, Saelee T, Khotasen W, Punyodom W, Molloy R, Worajittiphon P, Meepowpan P, Manokruang K. Stereocomplexation of PLL/PDL–PEG–PDL blends: Effects of blend morphology on film toughness. Eur Polym J 2015. [DOI: 10.1016/j.eurpolymj.2015.06.015] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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38
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Sattayanon C, Sontising W, Jitonnom J, Meepowpan P, Punyodom W, Kungwan N. Theoretical study on the mechanism and kinetics of ring-opening polymerization of cyclic esters initiated by tin(II) n-butoxide. COMPUT THEOR CHEM 2014. [DOI: 10.1016/j.comptc.2014.06.008] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Thapsukhon B, Daranarong D, Meepowpan P, Suree N, Molloy R, Inthanon K, Wongkham W, Punyodom W. Effect of topology of poly(L-lactide-co-ε-caprolactone) scaffolds on the response of cultured human umbilical cord Wharton's jelly-derived mesenchymal stem cells and neuroblastoma cell lines. J Biomater Sci Polym Ed 2014; 25:1028-44. [PMID: 24856087 DOI: 10.1080/09205063.2014.918457] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
In this study, for the first time, a biodegradable poly(L-lactide-co-ε-caprolactone), PLC 67:33 copolymer was developed for use as temporary scaffolds in reconstructive nerve surgery. The effect of the surface topology and pore architecture were studied on the biocompatibility for supporting the growth of human umbilical cord Wharton's jelly-derived mesenchymal stem cells (hWJ-MSCs) and human neuroblastoma cells (hNBCs) as cell models. Porous PLC membranes were prepared by electrospinning and phase immersion precipitation with particulate leaching and nonporous PLC membranes were prepared by solvent casting. From the results, the porous PLC membranes can support hWJ-MSCs and hNBCs cells better than the nonporous PLC membrane, and the interconnected pore scaffold prepared by electrospinning exhibited a more significant supporting attachment of the cells than the open pore and nonporous membranes. We can consider that these electrospun PLC membranes with 3-D interconnecting fiber networks and a high porosity warrant a potential use as nerve guides in reconstructive nerve surgery.
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Thapsukhon B, Daranarong D, Meepowpan P, Suree N, Molloy R, Inthanon K, Wongkham W, Punyodom W. Effect of topology of poly(L-lactide-co-ε-caprolactone) scaffolds on the response of cultured human umbilical cord Wharton’s jelly-derived mesenchymal stem cells and neuroblastoma cell lines. Journal of Biomaterials Science, Polymer Edition 2014. [DOI: https://doi.org/10.1080/09205063.2014.918457] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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41
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Sattayanon C, Kungwan N, Punyodom W, Meepowpan P, Jungsuttiwong S. Theoretical investigation on the mechanism and kinetics of the ring-opening polymerization of ε-caprolactone initiated by tin(II) alkoxides. J Mol Model 2013; 19:5377-85. [PMID: 24173613 DOI: 10.1007/s00894-013-2026-2] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2012] [Accepted: 09/30/2013] [Indexed: 11/26/2022]
Affiliation(s)
- Chanchai Sattayanon
- Center of Excellence for Innovation in Chemistry, Department of Chemistry, Faculty of Science, Chiang Mai University, Chiang Mai, Thailand, 50200
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Lawan N, Muangpil S, Kungwan N, Meepowpan P, Lee VS, Punyodom W. Tin (IV) alkoxide initiator design for poly (d-lactide) synthesis using DFT calculations. COMPUT THEOR CHEM 2013. [DOI: 10.1016/j.comptc.2013.07.045] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Thapsukhon B, Thadavirul N, Supaphol P, Meepowpan P, Molloy R, Punyodom W. Effects of copolymer microstructure on the properties of electrospun poly(l-lactide-co-ε-caprolactone) absorbable nerve guide tubes. J Appl Polym Sci 2013. [DOI: 10.1002/app.39675] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
| | - Napaphat Thadavirul
- The Petroleum and Petrochemical College; Chulalongkorn University; Soi Chulalongkorn 12, Pathumwan; Bangkok; 10330; Thailand
| | - Pitt Supaphol
- The Petroleum and Petrochemical College; Chulalongkorn University; Soi Chulalongkorn 12, Pathumwan; Bangkok; 10330; Thailand
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Somsrisa J, Meepowpan P, Krachodnok S, Thaisuchat H, Punyanitya S, Nantasaen N, Pompimon W. Dihydrochalcones with antiinflammatory activity from leaves and twigs of Cyathostemma argenteum. Molecules 2013; 18:6898-907. [PMID: 23752472 PMCID: PMC6270333 DOI: 10.3390/molecules18066898] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2013] [Revised: 05/30/2013] [Accepted: 06/07/2013] [Indexed: 11/24/2022] Open
Abstract
A new dihydrochalcone derivative, 4',6'-dihydroxy-2',4-dimethoxy-5'-(2''-hydroxybenzyl)dihydrochalcone (1) and one known dihydrochalcone, 4',6'-dihydroxy-2',4- dimethoxydihydrochalcone (2) were isolated from leaves and twigs of Cyathostemma argenteum. Their structures were established by spectral methods, mainly 2D NMR spectroscopic techniques, which involved combined applications of DEPT, COSY, HMQC and HMBC. The molecular structure of 1 was also confirmed by single crystal X-ray diffraction. The test compounds 1 and 2 displayed significant inhibitory activity at a dose of 1 mg/ear on edema formation at all determination times, with similar intensity as phenylbutazone.
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Affiliation(s)
- Jariya Somsrisa
- Laboratory of Natural Products, Faculty of Science and Center for Innovation in Chemistry, Lampang Rajabhat University, Lampang 52100, Thailand; E-Mails: (J.S.); (S.K.); (H.T.)
| | - Puttinan Meepowpan
- Department of Chemistry, Faculty of Science and Center for Innovation in Chemistry, Chiang Mai University, Chiang Mai 50300, Thailand; E-Mail:
| | - Samroeng Krachodnok
- Laboratory of Natural Products, Faculty of Science and Center for Innovation in Chemistry, Lampang Rajabhat University, Lampang 52100, Thailand; E-Mails: (J.S.); (S.K.); (H.T.)
| | - Haruthai Thaisuchat
- Laboratory of Natural Products, Faculty of Science and Center for Innovation in Chemistry, Lampang Rajabhat University, Lampang 52100, Thailand; E-Mails: (J.S.); (S.K.); (H.T.)
| | - Sittiporn Punyanitya
- Department of Surgery, Faculty of Medicine, Chiang Mai University, Chiang Mai 50300, Thailand; E-Mail:
| | - Narong Nantasaen
- The Forest Herbarium, Department of National Park, Wildlife and Plant Conservation, Ministry of Natural Resources and Environment, Bangkok 10220, Thailand; E-Mail:
| | - Wilart Pompimon
- Laboratory of Natural Products, Faculty of Science and Center for Innovation in Chemistry, Lampang Rajabhat University, Lampang 52100, Thailand; E-Mails: (J.S.); (S.K.); (H.T.)
- Author to whom correspondence should be addressed; E-Mail: ; Tel./Fax: +665-4241052
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Uadkla O, Yodkeeree S, Buayairaksa M, Meepowpan P, Nuntasaen N, Limtrakul P, Pompimon W. Antiproliferative effect of alkaloids via cell cycle arrest from Pseuduvaria rugosa. Pharm Biol 2013; 51:400-404. [PMID: 23406361 DOI: 10.3109/13880209.2012.734314] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
CONTEXT Pseuduvaria rugosa (Blume) Merr. (Annonacaea) grows widely in the south and southeast regions of Thailand. Preliminary screening for biological activities revealed that crude hexane, ethyl acetate, and acetone extracts from mixtures of leaves and twigs of P. rugosa showed cytotoxicity. OBJECTIVE Chemical constituents and their antiproliferative activity in K562, U937, and HL-60 human leukemic cell lines from P. rugosa were performed for the first time. MATERIALS AND METHODS The isolated compounds were obtained from chromatographic separation. The structures were established by spectroscopic techniques including IR, UV, NMR together with 2D NMR (HMBC, COSY, and NOE) and MS. The K562, U937, and HL-60 cell lines were treated with isolated aporphine alkaloids (0-100 µg/mL) and cell viability was measured with the MTT assay. Cell cycle analysis was performed using propidium iodide (PI) based staining methods. RESULTS Two known aporphine alkaloids, 1,2,3-trimethoxy-5-oxonoraporphine (1) and ouregidione (2) were isolated. Treatment of the cells with compounds 1 and 2 at a concentration of 100 µg/mL for 72 h reduced the viability of K562, U937, and HL-60 cell lines to 63 and 64, 38 and 66, and 49 and 64%, respectively. In addition, compounds 1 and 2, at a concentration of 100 µg/mL, exposed to U937 and HL-60 cell lines showed cell cycle arrest. The U937 cell line treated with compounds 1 and 2 increased significantly the proportion of the cell in S phase, whereas the HL-60 cell line-induced G2/M and G1 phase, respectively. DISCUSSION AND CONCLUSION The results showed that 1,2,3-trimethoxy-5-oxonoraporphine and ouregidione-induced cytotoxicity with HL-60, U937, and K562 cells where 1,2,3-trimethoxy-5-oxonoraporphine was more active than ouregidione.
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Affiliation(s)
- Orathai Uadkla
- Laboratory of Natural Products, Faculty of Science and Center for Innovation in Chemistry, Lampang Rajabhat University, Lampang, Thailand
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Seangphakdee P, Pompimon W, Meepowpan P, Panthong A, Chiranthanut N, Banjerdpongchai R, Wudtiwai B, Nuntasaen N, Pitchuanchom S. Anti-inflammatory and anticancer activities of (−)-zeylenol from stems of Uvaria grandiflora. ScienceAsia 2013. [DOI: 10.2306/scienceasia1513-1874.2013.39.610] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
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Nayyatip S, Thaichana P, Buayairaksa M, Tuntiwechapikul W, Meepowpan P, Nuntasaen N, Pompimon W. Aristolactam-type alkaloids from Orophea enterocarpa and their cytotoxicities. Int J Mol Sci 2012; 13:5010-5018. [PMID: 22606026 PMCID: PMC3344262 DOI: 10.3390/ijms13045010] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2012] [Revised: 03/27/2012] [Accepted: 04/12/2012] [Indexed: 11/18/2022] Open
Abstract
A new aristolactam, named enterocarpam-III (10-amino-2,3,4,6-tetramethoxy phenanthrene-1-carboxylic acid lactam, 1) together with the known alkaloid stigmalactam (2), were isolated from Orophea enterocarpa. Their structures were elucidated on the basis of interpretation of their spectroscopic data. Compounds 1 and 2 exhibited significant cytotoxicities against human colon adenocarcinoma (HCT15) cell line with IC50 values of 1.68 and 1.32 μM, respectively.
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Affiliation(s)
- Sanchai Nayyatip
- Laboratory of Natural Products, Center for Innovation in Chemistry, Faculty of Science, Lampang Rajabhat University, Lampang 52100, Thailand; E-Mails: (S.N.); (M.B.)
| | - Pak Thaichana
- Department of Biochemistry, Faculty of Medicine, Chiang Mai University, Chiang Mai 53000, Thailand; E-Mails: (P.T.); (W.T.)
| | - Mongkol Buayairaksa
- Laboratory of Natural Products, Center for Innovation in Chemistry, Faculty of Science, Lampang Rajabhat University, Lampang 52100, Thailand; E-Mails: (S.N.); (M.B.)
| | - Wirote Tuntiwechapikul
- Department of Biochemistry, Faculty of Medicine, Chiang Mai University, Chiang Mai 53000, Thailand; E-Mails: (P.T.); (W.T.)
| | - Puttinan Meepowpan
- Department of Chemistry, Center for Innovation in Chemistry, Faculty of Science, Chiang Mai University, Chiang Mai 53000, Thailand; E-Mail:
| | - Narong Nuntasaen
- The Forest Herbarium, Department of National Park, Wildlife and Plant Conservation, Ministry of Natural Resources and Environment, Bangkok 10220, Thailand; E-Mail:
| | - Wilart Pompimon
- Laboratory of Natural Products, Center for Innovation in Chemistry, Faculty of Science, Lampang Rajabhat University, Lampang 52100, Thailand; E-Mails: (S.N.); (M.B.)
- Author to whom correspondence should be addressed; E-Mail: ; Tel./Fax: +665-4241052
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Kidyu K, Thaisuchat H, Meepowpan P, Sukdee S, Nuntasaen N, Punyanitya S, Pompimon W. New Clerodane Diterpenoid from the Bulbils of Dioscorea bulbifera. Nat Prod Commun 2011. [DOI: 10.1177/1934578x1100600804] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
A new clerodane diterpenoid has been isolated from the acetone extract of bulbils of Dioscorea bulbifera. The structure of compound 1 was established as 15,16-epoxy-6α- O-acetyl-8β-hydroxy-19-nor-clero-13(16),14-diene-17,12;18,2-diolide on the basis of comprehensive spectroscopic techniques.
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Affiliation(s)
- Kanlaya Kidyu
- Laboratory of Natural Products, and Center for Innovation in Chemistry, Faculty of Science, Lampang Rajabhat University, 52100 Lampang, Thailand
| | - Haruthai Thaisuchat
- Laboratory of Natural Products, and Center for Innovation in Chemistry, Faculty of Science, Lampang Rajabhat University, 52100 Lampang, Thailand
| | - Puttinan Meepowpan
- Department of Chemistry, and Center for Innovation in Chemistry, Faculty of Science, Chiang Mai University, 50300 Chiang Mai, Thailand
| | - Sukee Sukdee
- Laboratory of Natural Products, and Center for Innovation in Chemistry, Faculty of Science, Lampang Rajabhat University, 52100 Lampang, Thailand
| | - Narong Nuntasaen
- The Forest Herbarium, Department of National Park, Wildlife and Plant Conservation, Ministry of Natural Resources and Environment, 10900 Bangkok, Thailand
| | - Sittiporn Punyanitya
- Department of Surgery, Faculty of Medicine, Chiang Mai University, 50300 Chiang Mai, Thailand
| | - Wilart Pompimon
- Laboratory of Natural Products, and Center for Innovation in Chemistry, Faculty of Science, Lampang Rajabhat University, 52100 Lampang, Thailand
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Kidyu K, Thaisuchat H, Meepowpan P, Sukdee S, Nuntasaen N, Punyanitya S, Pompimon W. New clerodane diterpenoid from the bulbils of Dioscorea bulbifera. Nat Prod Commun 2011; 6:1069-1072. [PMID: 21922900] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/31/2023] Open
Abstract
A new clerodane diterpenoid has been isolated from the acetone extract of bulbils of Dioscorea bulbifera. The structure of compound 1 was established as 15,16-epoxy-6alpha-O-acety1-8beta-hydroxy- 9-nor-clero-13(16),14-diene-17,12;18,2-diolide on the basis of comprehensive spectroscopic techniques.
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Affiliation(s)
- Kanlaya Kidyu
- Laboratory of Natural Products, and Center for Innovation in Chemistry, Faculty of Science, Lampang Rajabhat University, 52100 Lampang, Thailand
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Pumsalid K, Thaisuchat H, Loetchutinat C, Nuntasaen N, Meepowpan P, Pompimon W. A new azafluorenone from the roots of Polyalthia cerasoides and its biological activity. Nat Prod Commun 2010; 5:1931-1934. [PMID: 21299123] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/30/2023] Open
Abstract
Chromatographic separation of the ethyl acetate extract of roots of Polyalthia cerasoides has led to the isolation of the new compound, 6,8-dihydroxy-7-methoxy-1-methyl-azafluorenone. This compound exhibited potent cytotoxic activities with IC50 values in the range of 2.64-3.58 microg x mL(-1) for A549, GLC4 and GLC4/Adr cells, but was not recognized by ABCC1/MRP1 protein. The compound also showed very strong inhibition of M. tuberculosis using a broth microdilution method, with an MIC value of 0.78 microg x mL(-1), which was equal to that of ofloxacin, one of the four antibiotic drugs used as a positive control.
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Affiliation(s)
- Kanchana Pumsalid
- Laboratory of Natural Products, Faculty of Science and Center for Innovation in Chemistry, Lampang Rajabhat University, 52100 Lampang, Thailand
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