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Damjanović A, Logarušić M, Tumir LM, Andreou T, Cvjetko Bubalo M, Radojčić Redovniković I. Enhancing protein stability under stress: osmolyte-based deep eutectic solvents as a biocompatible and robust stabilizing medium for lysozyme under heat and cold shock. Phys Chem Chem Phys 2024; 26:21040-21051. [PMID: 39054918 DOI: 10.1039/d4cp02275k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/27/2024]
Abstract
In biomedical and biotechnological domains, liquid protein formulations are vital tools, offering versatility across various fields. However, maintaining protein stability in a liquid form presents challenges due to environmental factors, driving research to refine formulations for broader applications. In our recent study, we investigated the relationship between deep eutectic solvents (DESs) and the natural presence of osmolytes in specific combinations, showcasing the effectiveness of a bioinspired osmolyte-based DES in stabilizing a model protein. Recognizing the need for a more nuanced understanding of osmolyte-based DES stabilization capabilities under different storage conditions, here we broadened the scope of our osmolyte-based DES experimental screening, and delved deeper into structural changes in the enzyme under these conditions. We subjected lysozyme solutions in DESs based on various kosmotropic osmolytes (TMAO, betaine, sarcosine, DMSP, ectoine, GPC, proline, sorbitol and taurine) paired either with another kosmotropic (glycerol) or with chaotropic osmolyte urea to rigorous conditions: heat shock (at 80 °C) and repetitive freeze-thaw cycles (at -20 and -80 °C). Changes in enzyme activity, colloidal stability, and conformational alterations were then monitored using bioassays, aggregation tests, and spectroscopic techniques (FT-IR and CD). Our results demonstrate the remarkable effectiveness of osmolyte-based DES in stabilizing lysozyme under stress conditions, with sarcosine- and betaine-based DESs containing glycerol as a hydrogen bond donor showing the highest efficacy, even at high enzyme loadings up to 200 mg ml-1. Investigation of the individual and combined effects of the DES components on enzyme stability confirmed the synergistic behavior of the kosmotrope-urea mixtures and the cumulative effects in kosmotrope-glycerol mixtures. Additionally, we have shown that the interplay between the enzyme's active and stable (but inactive) states is highly influenced by the water content in DESs. Finally, toxicity assessments of osmolyte-based DESs using cell lines (Caco-2, HaCaT, and HeLa) revealed no risks to human health.
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Affiliation(s)
- Anja Damjanović
- Faculty of Food Technology and Biotechnology, University of Zagreb, Croatia.
| | - Marijan Logarušić
- Faculty of Food Technology and Biotechnology, University of Zagreb, Croatia.
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Viñas-Ospino A, Rita Jesus A, Paiva A, Esteve MJ, Frígola A, Blesa J, López-Malo D. Comparison of green solvents for the revalorization of orange by-products: Carotenoid extraction and in vitro antioxidant activity. Food Chem 2024; 442:138530. [PMID: 38271911 DOI: 10.1016/j.foodchem.2024.138530] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2023] [Revised: 01/17/2024] [Accepted: 01/19/2024] [Indexed: 01/27/2024]
Abstract
Orange peels contain a considerable number of bioactive compounds such as carotenoids, that can be used as ingredients in high-value products. The aim of this study was to compare orange peel extracts obtained with different green solvents (vegetable oils, fatty acids, and deep eutectic solvents (DES)). In addition, the chemical characterization of a new hydrophobic DES formed by octanoic acid and l-proline (C8:Pro) was performed. The extracts were compared in terms of carotenoid extraction, antioxidant activity by three methods, color, and environmental impact. The results confirmed that the mixture of C8:Pro is a DES and showed the highest carotenoid extraction (46.01 µg/g) compared to hexane (39.28 µg/g). The antioxidant activity was also the highest in C8:Pro (2438.8 µM TE/mL). Finally, two assessment models were used to evaluate the greenness and sustainability of the proposed extractions. These results demonstrated the potential use of orange peels in the circular economy and industry.
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Affiliation(s)
- Adriana Viñas-Ospino
- Nutrition and Food Chemistry, University of Valencia, Avda., Vicent Andrés Estellés, s/n., 46100 Burjassot (Valencia), Spain; Universidad Tecnológica del Perú (UTP), Avda. Arequipa 265, Lima 15046, Peru
| | - Ana Rita Jesus
- LAQV, REQUIMTE, Chemistry Department, NOVA - School of Science and Technology, 2829-516 Caparica, Portugal
| | - Alexandre Paiva
- LAQV, REQUIMTE, Chemistry Department, NOVA - School of Science and Technology, 2829-516 Caparica, Portugal
| | - Maria J Esteve
- Nutrition and Food Chemistry, University of Valencia, Avda., Vicent Andrés Estellés, s/n., 46100 Burjassot (Valencia), Spain.
| | - Ana Frígola
- Nutrition and Food Chemistry, University of Valencia, Avda., Vicent Andrés Estellés, s/n., 46100 Burjassot (Valencia), Spain
| | - Jesús Blesa
- Nutrition and Food Chemistry, University of Valencia, Avda., Vicent Andrés Estellés, s/n., 46100 Burjassot (Valencia), Spain
| | - Daniel López-Malo
- Department of Biomedical Sciences, Faculty of Health Sciences, European University of Valencia, Paseo de La Alameda, 7, 46010 Valencia, Spain
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Li J, Zhao R, Miao P, Xu F, Chen J, Jiang X, Hui Z, Wang L, Bai R. Discovery of anti-inflammatory natural flavonoids: Diverse scaffolds and promising leads for drug discovery. Eur J Med Chem 2023; 260:115791. [PMID: 37683361 DOI: 10.1016/j.ejmech.2023.115791] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2023] [Revised: 08/23/2023] [Accepted: 09/01/2023] [Indexed: 09/10/2023]
Abstract
Natural products have been utilized for medicinal purposes for millennia, endowing them with a rich source of chemical scaffolds and pharmacological leads for drug discovery. Among the vast array of natural products, flavonoids represent a prominent class, renowned for their diverse biological activities and promising therapeutic advantages. Notably, their anti-inflammatory properties have positioned them as promising lead compounds for developing novel drugs combating various inflammatory diseases. This review presents a comprehensive overview of flavonoids, highlighting their manifold anti-inflammatory activities and elucidating the underlying pathways in mediating inflammation. Furthermore, this review encompasses systematical classification of flavonoids, related anti-inflammatory targets, involved in vitro and in vivo test models, and detailed statistical analysis. We hope this review will provide researchers engaged in active natural products and anti-inflammatory drug discovery with practical information and potential leads.
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Affiliation(s)
- Junjie Li
- School of Pharmacy, Hangzhou Normal University, Hangzhou, 311121, PR China; Key Laboratory of Elemene Class Anti-Cancer Chinese Medicines, Engineering Laboratory of Development and Application of Traditional Chinese Medicines, Hangzhou, 311121, PR China; Collaborative Innovation Center of Traditional Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou, 311121, PR China
| | - Rui Zhao
- School of Pharmacy, Hangzhou Normal University, Hangzhou, 311121, PR China; Key Laboratory of Elemene Class Anti-Cancer Chinese Medicines, Engineering Laboratory of Development and Application of Traditional Chinese Medicines, Hangzhou, 311121, PR China; Collaborative Innovation Center of Traditional Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou, 311121, PR China
| | - Peiran Miao
- School of Pharmacy, Hangzhou Normal University, Hangzhou, 311121, PR China; Key Laboratory of Elemene Class Anti-Cancer Chinese Medicines, Engineering Laboratory of Development and Application of Traditional Chinese Medicines, Hangzhou, 311121, PR China; Collaborative Innovation Center of Traditional Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou, 311121, PR China
| | - Fengfeng Xu
- School of Pharmacy, Hangzhou Normal University, Hangzhou, 311121, PR China; Key Laboratory of Elemene Class Anti-Cancer Chinese Medicines, Engineering Laboratory of Development and Application of Traditional Chinese Medicines, Hangzhou, 311121, PR China; Collaborative Innovation Center of Traditional Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou, 311121, PR China
| | - Jiahao Chen
- School of Pharmacy, Hangzhou Normal University, Hangzhou, 311121, PR China; Key Laboratory of Elemene Class Anti-Cancer Chinese Medicines, Engineering Laboratory of Development and Application of Traditional Chinese Medicines, Hangzhou, 311121, PR China; Collaborative Innovation Center of Traditional Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou, 311121, PR China
| | - Xiaoying Jiang
- School of Pharmacy, Hangzhou Normal University, Hangzhou, 311121, PR China; Key Laboratory of Elemene Class Anti-Cancer Chinese Medicines, Engineering Laboratory of Development and Application of Traditional Chinese Medicines, Hangzhou, 311121, PR China; Collaborative Innovation Center of Traditional Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou, 311121, PR China
| | - Zi Hui
- School of Pharmacy, Hangzhou Normal University, Hangzhou, 311121, PR China; Key Laboratory of Elemene Class Anti-Cancer Chinese Medicines, Engineering Laboratory of Development and Application of Traditional Chinese Medicines, Hangzhou, 311121, PR China; Collaborative Innovation Center of Traditional Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou, 311121, PR China.
| | - Liwei Wang
- School of Pharmacy, Hangzhou Normal University, Hangzhou, 311121, PR China; Key Laboratory of Elemene Class Anti-Cancer Chinese Medicines, Engineering Laboratory of Development and Application of Traditional Chinese Medicines, Hangzhou, 311121, PR China; Collaborative Innovation Center of Traditional Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou, 311121, PR China.
| | - Renren Bai
- School of Pharmacy, Hangzhou Normal University, Hangzhou, 311121, PR China; Key Laboratory of Elemene Class Anti-Cancer Chinese Medicines, Engineering Laboratory of Development and Application of Traditional Chinese Medicines, Hangzhou, 311121, PR China; Collaborative Innovation Center of Traditional Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou, 311121, PR China.
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Hesse S. Synthesis of 5-arylidenerhodanines in L-proline-based deep eutectic solvent. Beilstein J Org Chem 2023; 19:1537-1544. [PMID: 37822921 PMCID: PMC10562643 DOI: 10.3762/bjoc.19.110] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2023] [Accepted: 09/27/2023] [Indexed: 10/13/2023] Open
Abstract
Rhodanines and their derivatives are known to have many pharmacological activities that can be modulated through different functionalization sites. One of the most studied modification in those scaffolds is the introduction of a benzylidene moiety on C5 via a Knoevenagel reaction. Here, a facile synthesis of 5-arylidenerhodanines via a Knoevenagel reaction in an ʟ-proline-based deep eutectic solvent (DES) is reported. This method is fast (1 h at 60 °C), easy, catalyst-free and sustainable as no classical organic solvents were used. The expected compounds are recovered by a simple filtration after hydrolysis and no purification is required. Those derivatives were studied for their antioxidant activities and the results are consistent with those reported in the literature indicating that phenolic compounds are the more active ones.
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Drabczyk AK, Kułaga D, Zaręba P, Tylińska W, Bachowski W, Archała A, Wnorowski A, Tzani A, Detsi A, Jaśkowska J. Eco-friendly synthesis of new olanzapine derivatives and evaluation of their anticancer potential. RSC Adv 2023; 13:20467-20476. [PMID: 37435368 PMCID: PMC10331126 DOI: 10.1039/d3ra03926a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Accepted: 06/30/2023] [Indexed: 07/13/2023] Open
Abstract
New derivatives of the known antipsychotic drug olanzapine have been obtained as potential compounds with anticancer activity in two metabolically different breast cancer cell lines: MCF-7 and triple negative MDA-MB-231. The compounds were obtained under phase transfer catalysis (PTC) in the presence of microwave irradiation (MW) or ultrasound (")))"), evaluating the effect of solvents such as dimethylformamide, water, or choline chloride/urea (natural deep eutectic solvent, NaDES). In the best option, the compounds were obtained within 2 minutes with a yield of 57-86% in MW. Two of the obtained compounds which have a naphthalimide moiety and a pentyl (7) or hexyl chain (8) show pronounced cytotoxicity. Interestingly, neither olanzapine nor desmethylolanzapine (DOLA), which was one of the substrates for the synthesis reaction, showed any significant activity in the study.
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Affiliation(s)
- Anna K Drabczyk
- Faculty of Chemical Engineering and Technology, Department of Chemical Technology and Environmental Analytics, Cracow University of Technology 24 Warszawska Street 31-155 Cracow Poland
| | - Damian Kułaga
- Faculty of Chemical Engineering and Technology, Department of Chemical Technology and Environmental Analytics, Cracow University of Technology 24 Warszawska Street 31-155 Cracow Poland
| | - Przemysław Zaręba
- Faculty of Chemical Engineering and Technology, Department of Organic Chemistry and Technology, Cracow University of Technology 24 Warszawska Street 31-155 Cracow Poland
| | - Wiktoria Tylińska
- Faculty of Chemical Engineering and Technology, Department of Chemical Technology and Environmental Analytics, Cracow University of Technology 24 Warszawska Street 31-155 Cracow Poland
| | - Wojciech Bachowski
- Faculty of Chemical Engineering and Technology, Department of Chemical Technology and Environmental Analytics, Cracow University of Technology 24 Warszawska Street 31-155 Cracow Poland
| | - Aneta Archała
- Department of Biopharmacy, Medical University of Lublin 4a Chodzki Street 20-059 Lublin Poland
| | - Artur Wnorowski
- Department of Biopharmacy, Medical University of Lublin 4a Chodzki Street 20-059 Lublin Poland
| | - Andromachi Tzani
- Laboratory of Organic Chemistry, Department of Chemical Sciences, School of Chemical Engineering, National Technical University of Athens 15780 Zografou Athens Greece
| | - Anastasia Detsi
- Laboratory of Organic Chemistry, Department of Chemical Sciences, School of Chemical Engineering, National Technical University of Athens 15780 Zografou Athens Greece
| | - Jolanta Jaśkowska
- Faculty of Chemical Engineering and Technology, Department of Chemical Technology and Environmental Analytics, Cracow University of Technology 24 Warszawska Street 31-155 Cracow Poland
- Laboratory of Organic Chemistry, Department of Chemical Sciences, School of Chemical Engineering, National Technical University of Athens 15780 Zografou Athens Greece
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Lone MS, Nabi SA, Wani FR, Garg M, Amin S, Samim M, Shafi S, Khan F, Javed K. Design, synthesis and evaluation of 5-chloro-6-methylaurone derivatives as potential anti-cancer agents. J Biomol Struct Dyn 2023; 41:13466-13487. [PMID: 36856061 DOI: 10.1080/07391102.2023.2183716] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Accepted: 01/24/2023] [Indexed: 03/02/2023]
Abstract
A series of novel 5-chloro-6-methylaurone derivatives (6a-p) were synthesized and characterized by various spectroscopic techniques. The synthesized compounds were tested for anticancer activity against 60-human cancer cell line panel derived from nine cancer types at NCI, Bethesda, USA. Among the synthesized compounds, six compounds (6e, 6f, 6h, 6i, 6k and 6 m) exhibited growth inhibition and cytotoxic activity against various human cancer cell lines in one-dose data. The most potent compound among the series, 6i was active against 55 out of 60 human cancer cell lines. Compound 6i showed remarkable % growth inhibition and cytotoxicity against various cancer cell lines exhibiting % GI in the range 36.05-199.03. The compound 6i was further evaluated for five dose assay and exhibited GI50 1.90 µM and 2.70 µM against melanoma and breast cancer cell lines respectively. Further evaluation of 6i for five-dose assay exhibited a diverse spectrum of anti-cancer activity towards all the 60 human cancer cell line panel with the selectivity index ratio ranging 0.854-1.42 and 0.66-1.35 for GI50 and TGI respectively. Based on one-dose and five-dose data compound 6i was further evaluated for cell apoptosis against MDA-MB-468 breast cancer cell line and was found to induce early apoptosis in cells explaining its mode of action. The in-silico studies for the synthesized compounds as LSD1 inhibitors (2H94) have shown better docking score and binding energy comparable to vafidemstat. All the compounds followed Lipinski rule of five. These findings concluded that the compound 6i could lead to the development of a promising therapeutic anticancer agent.
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Affiliation(s)
- Mehak Saba Lone
- Department of Chemistry, School of Chemical and Life Sciences (SCLS), Jamia Hamdard, New Delhi, India
| | - Syed Ayaz Nabi
- Department of Chemistry, School of Chemical and Life Sciences (SCLS), Jamia Hamdard, New Delhi, India
| | - Farhat Ramzan Wani
- Department of Chemistry, School of Chemical and Life Sciences (SCLS), Jamia Hamdard, New Delhi, India
| | - Manika Garg
- Department of Biochemistry, School of Chemical and Life Sciences (SCLS), Jamia Hamdard, New Delhi, India
| | - Shaista Amin
- Department of Pharmaceutical Chemistry, School of Pharmaceutical Education and Research (SPER), Jamia Hamdard, New Delhi, India
| | - Mohammed Samim
- Department of Chemistry, School of Chemical and Life Sciences (SCLS), Jamia Hamdard, New Delhi, India
| | - Syed Shafi
- Department of Chemistry, School of Chemical and Life Sciences (SCLS), Jamia Hamdard, New Delhi, India
| | - Farah Khan
- Department of Biochemistry, School of Chemical and Life Sciences (SCLS), Jamia Hamdard, New Delhi, India
| | - Kalim Javed
- Department of Chemistry, School of Chemical and Life Sciences (SCLS), Jamia Hamdard, New Delhi, India
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