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Dindi UMR, Al-Ghamdi S, Alrudian NA, Dayel SB, Abuderman AA, Saad Alqahtani M, Bahakim NO, Ramesh T, Vilwanathan R. Ameliorative inhibition of sirtuin 6 by imidazole derivative triggers oxidative stress-mediated apoptosis associated with Nrf2/Keap1 signaling in non-small cell lung cancer cell lines. Front Pharmacol 2024; 14:1335305. [PMID: 38235110 PMCID: PMC10791838 DOI: 10.3389/fphar.2023.1335305] [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: 11/08/2023] [Accepted: 12/11/2023] [Indexed: 01/19/2024] Open
Abstract
Background: Redox homeostasis is the vital regulatory system with respect to antioxidative response and detoxification. The imbalance of redox homeostasis causes oxidative stress. Nuclear factor-erythroid 2 p45-related factor 2 (Nrf2, also called Nfe2l2)/Kelchlike ECH-associated protein 1 (Keap1) signaling is the major regulator of redox homeostasis. Nrf2/Keap1 signaling is reported to be involved in cancer cell growth and survival. A high level of Nrf2 in cancers is associated with poor prognosis, resistance to therapeutics, and rapid proliferation, framing Nrf2 as an interesting target in cancer biology. Sirtuins (SIRT1-7) are class III histone deacetylases with NAD + dependent deacetylase activity that have a remarkable impact on antioxidant and redox signaling (ARS) linked with Nrf2 deacetylation thereby increasing its transcription by epigenetic modifications which has been identified as a crucial event in cancer progression under the influence of oxidative stress in various transformed cells. SIRT6 plays an important role in the cytoprotective effect of multiple diseases, including cancer. This study aimed to inhibit SIRT6 using an imidazole derivative, Ethyl 2-[5-(4-chlorophenyl)-2-methyl-1-H-Imidazole-4-yl] acetate, to assess its impact on Nrf2/Keap1 signaling in A549 and NCI-H460 cell lines. Method: Half maximal inhibitory concentration (IC50) of Ethyl 2-[5-(4-chlorophenyl)-2-methyl-1-H-Imidazole-4-yl] acetate was fixed by cell viability assay. The changes in the gene expression of important regulators involved in this study were examined using quantitative real-time PCR (qRT-PCR) and protein expression changes were confirmed by Western blotting. The changes in the antioxidant molecules are determined by biochemical assays. Further, morphological studies were performed to observe the generation of reactive oxygen species, mitochondrial damage, and apoptosis. Results: We inhibited SIRT6 using Ethyl 2-[5-(4-chlorophenyl)-2-methyl-1-H-Imidazole-4-yl] acetate and demonstrated that SIRT6 inhibition impacts the modulation of antioxidant and redox signaling. The level of antioxidant enzymes and percentage of reactive oxygen species scavenging activity were depleted. The morphological studies showed ROS generation, mitochondrial damage, nuclear damage, and apoptosis. The molecular examination of apoptotic factors confirmed apoptotic cell death. Further, molecular studies confirmed the changes in Nrf2 and Keap1 expression during SIRT6 inhibition. Conclusion: The overall study suggests that SIRT6 inhibition by imidazole derivative disrupts Nrf2/Keap1 signaling leading to oxidative stress and apoptosis induction.
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Affiliation(s)
- Uma Maheswara Rao Dindi
- Cancer Biology Laboratory, Department of Biochemistry, School of Life Sciences, Bharathidasan University, Tiruchirappalli, Tamil Nadu, India
| | - Sameer Al-Ghamdi
- Department of Family and Community Medicine, College of Medicine, Prince Sattam Bin Abdulaziz University, Al-Kharj, Saudi Arabia
| | - Naif Abdurhman Alrudian
- Department of Family and Community Medicine, College of Medicine, Prince Sattam Bin Abdulaziz University, Al-Kharj, Saudi Arabia
| | - Salman Bin Dayel
- Dermatology Unit, Internal Medicine Department, College of Medicine, Prince Sattam Bin Abdulaziz University, Al-Kharj, Saudi Arabia
| | - Abdulwahab Ali Abuderman
- Department of Basic Medical Sciences, College of Medicine, Prince Sattam Bin Abdulaziz University, Al-Kharj, Saudi Arabia
| | - Mohammed Saad Alqahtani
- Department of Internal Medicine, College of Medicine, Prince Sattam Bin Abdulaziz University, Al-Kharj, Saudi Arabia
| | - Nasraddin Othman Bahakim
- Department of Basic Medical Sciences, College of Medicine, Prince Sattam Bin Abdulaziz University, Al-Kharj, Saudi Arabia
| | - Thiyagarajan Ramesh
- Department of Basic Medical Sciences, College of Medicine, Prince Sattam Bin Abdulaziz University, Al-Kharj, Saudi Arabia
| | - Ravikumar Vilwanathan
- Cancer Biology Laboratory, Department of Biochemistry, School of Life Sciences, Bharathidasan University, Tiruchirappalli, Tamil Nadu, India
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Sun X, Xu X, Yue X, Wang T, Wang Z, Zhang C, Wang J. Nanozymes With Osteochondral Regenerative Effects: An Overview of Mechanisms and Recent Applications. Adv Healthc Mater 2024; 13:e2301924. [PMID: 37633309 DOI: 10.1002/adhm.202301924] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2023] [Revised: 08/14/2023] [Indexed: 08/28/2023]
Abstract
With the discovery of the intrinsic enzyme-like activity of metal oxides, nanozymes garner significant attention due to their superior characteristics, such as low cost, high stability, multi-enzyme activity, and facile preparation. Notably, in the field of biomedicine, nanozymes primarily focus on disease detection, antibacterial properties, antitumor effects, and treatment of inflammatory conditions. However, the potential for application in regenerative medicine, which primarily addresses wound healing, nerve defect repair, bone regeneration, and cardiovascular disease treatment, is garnering interest as well. This review introduces nanozymes as an innovative strategy within the realm of bone regenerative medicine. The primary focus of this approach lies in the facilitation of osteochondral regeneration through the modulation of the pathological microenvironment. The catalytic mechanisms of four types of representative nanozymes are first discussed. The pathological microenvironment inhibiting osteochondral regeneration, followed by summarizing the therapy mechanism of nanozymes to osteochondral regeneration barriers is introduced. Further, the therapeutic potential of nanozymes for bone diseases is included. To improve the therapeutic efficiency of nanozymes and facilitate their clinical translation, future potential applications in osteochondral diseases are also discussed and some significant challenges addressed.
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Affiliation(s)
- Xueheng Sun
- Department of Sport Rehabilitation, Shanghai University of Sport, Shanghai, 200438, China
| | - Xiang Xu
- Shanghai Key Laboratory of Orthopaedic Implant, Department of Orthopaedic Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, No. 639 Zhizaoju Rd, Shanghai, 200011, China
| | - Xiaokun Yue
- Shanghai Key Laboratory of Orthopaedic Implant, Department of Orthopaedic Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, No. 639 Zhizaoju Rd, Shanghai, 200011, China
| | - Tianchang Wang
- Shanghai Key Laboratory of Orthopaedic Implant, Department of Orthopaedic Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, No. 639 Zhizaoju Rd, Shanghai, 200011, China
| | - Zhaofei Wang
- Department of Orthopaedic Surgery, Shanghai ZhongYe Hospital, Genertec Universal Medical Group, Shanghai, 200941, China
| | - Changru Zhang
- Shanghai Key Laboratory of Orthopaedic Implant, Department of Orthopaedic Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, No. 639 Zhizaoju Rd, Shanghai, 200011, China
- Institute of Translational Medicine, Shanghai Jiaotong University, No. 800 Dongchuan Road, Shanghai, 200240, China
| | - Jinwu Wang
- Department of Sport Rehabilitation, Shanghai University of Sport, Shanghai, 200438, China
- Shanghai Key Laboratory of Orthopaedic Implant, Department of Orthopaedic Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, No. 639 Zhizaoju Rd, Shanghai, 200011, China
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Jiang Y, Li X, Zhang Y, Wu B, Li Y, Tian L, Sun J, Bai W. Mechanism of action of anthocyanin on the detoxification of foodborne contaminants-A review of recent literature. Compr Rev Food Sci Food Saf 2024; 23:e13259. [PMID: 38284614 DOI: 10.1111/1541-4337.13259] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Revised: 10/09/2023] [Accepted: 10/13/2023] [Indexed: 01/30/2024]
Abstract
Foodborne contaminants refer to substances that are present in food and threaten food safety. Due to the progress in detection technology and the rising concerns regarding public health, there has been a surge in research focusing on the dangers posed by foodborne contaminants. These studies aim to explore and implement strategies that are both safe and efficient in mitigating the associated risks. Anthocyanins, a class of flavonoids, are abundantly present in various plant species, such as blueberries, grapes, purple sweet potatoes, cherries, mulberries, and others. Numerous epidemiological and nutritional intervention studies have provided evidence indicating that the consumption of anthocyanins through dietary intake offers a range of protective effects against the detrimental impact of foodborne contaminants. The present study aims to differentiate between two distinct subclasses of foodborne contaminants: those that are generated during the processing of food and those that originate from the surrounding environment. Furthermore, the impact of anthocyanins on foodborne contaminants was also summarized based on a review of articles published within the last 10 years. However, further investigation is warranted regarding the mechanism by which anthocyanins target foodborne contaminants, as well as the potential impact of individual variations in response. Additionally, it is important to note that there is currently a dearth of clinical research examining the efficacy of anthocyanins as an intervention for mitigating the effects of foodborne pollutants. Thus, by exploring the detoxification effect and mechanism of anthocyanins on foodborne pollutants, this review thereby provides evidence, supporting the utilization of anthocyanin-rich diets as a means to mitigate the detrimental effects of foodborne contaminants.
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Affiliation(s)
- Yan Jiang
- Department of Food Science and Engineering, Institute of Food Safety and Nutrition, Jinan University, Guangzhou, PR China
| | - Xusheng Li
- Department of Food Science and Engineering, Institute of Food Safety and Nutrition, Jinan University, Guangzhou, PR China
- The Sixth Affiliated Hospital, Jinan University, Dongguan, PR China
| | - Yulin Zhang
- Department of Food Science and Engineering, Institute of Food Safety and Nutrition, Jinan University, Guangzhou, PR China
| | - Biyu Wu
- Department of Human Nutrition, Food, and Animal Sciences, University of Hawaii at Manoa, Honolulu, Hawaii, USA
| | - Yuxi Li
- Department of Food Science and Engineering, Institute of Food Safety and Nutrition, Jinan University, Guangzhou, PR China
| | - Lingmin Tian
- Department of Food Science and Engineering, Institute of Food Safety and Nutrition, Jinan University, Guangzhou, PR China
| | - Jianxia Sun
- School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou, PR China
| | - Weibin Bai
- Department of Food Science and Engineering, Institute of Food Safety and Nutrition, Jinan University, Guangzhou, PR China
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Dawood MFA, Tahjib-Ul-Arif M, Sohag AAM, Abdel Latef AAH. Role of Acetic Acid and Nitric Oxide against Salinity and Lithium Stress in Canola ( Brassica napus L.). PLANTS (BASEL, SWITZERLAND) 2023; 13:51. [PMID: 38202358 PMCID: PMC10781170 DOI: 10.3390/plants13010051] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/06/2023] [Revised: 12/14/2023] [Accepted: 12/20/2023] [Indexed: 01/12/2024]
Abstract
In this study, canola (Brassica napus L.) seedlings were treated with individual and combined salinity and lithium (Li) stress, with and without acetic acid (AA) or nitric acid (NO), to investigate their possible roles against these stresses. Salinity intensified Li-induced damage, and the principal component analysis revealed that this was primarily driven by increased oxidative stress, deregulation of sodium and potassium accumulation, and an imbalance in tissue water content. However, pretreatment with AA and NO prompted growth, re-established sodium and potassium homeostasis, and enhanced the defense system against oxidative and nitrosative damage by triggering the antioxidant capacity. Combined stress negatively impacted phenylalanine ammonia lyase activity, affecting flavonoids, carotenoids, and anthocyanin levels, which were then restored in canola plants primed with AA and NO. Additionally, AA and NO helped to maintain osmotic balance by increasing trehalose and proline levels and upregulating signaling molecules such as hydrogen sulfide, γ-aminobutyric acid, and salicylic acid. Both AA and NO improved Li detoxification by increasing phytochelatins and metallothioneins, and reducing glutathione contents. Comparatively, AA exerted more effective protection against the detrimental effects of combined stress than NO. Our findings offer novel perspectives on the impacts of combining salt and Li stress.
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Affiliation(s)
- Mona F. A. Dawood
- Botany and Microbiology Department, Faculty of Science, Assiut University, Assiut 71516, Egypt;
| | - Md. Tahjib-Ul-Arif
- Department of Biochemistry and Molecular Biology, Faculty of Agriculture, Bangladesh Agricultural University, Mymensingh 2202, Bangladesh;
| | - Abdullah Al Mamun Sohag
- Department of Biochemistry and Molecular Biology, Faculty of Agriculture, Bangladesh Agricultural University, Mymensingh 2202, Bangladesh;
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Min DK, Kim YE, Kim MK, Choi SW, Park N, Kim J. Orally Administrated Inflamed Colon-Targeted Nanotherapeutics for Inflammatory Bowel Disease Treatment by Oxidative Stress Level Modulation in Colitis. ACS NANO 2023; 17:24404-24416. [PMID: 38039189 DOI: 10.1021/acsnano.3c11089] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/03/2023]
Abstract
Inflammatory bowel disease (IBD) is characterized by an inappropriate and persistent inflammatory immune response and is often accompanied by excessive reactive oxygen species (ROS) production. For effective IBD treatment, there is a high demand for safe and targeted therapy that can be orally administered. In this study, we aimed to propose the use of inflamed colon-targeted antioxidant nanotherapeutics (ICANs) for in situ oxidative stress level modulation in colitis. ICANs consist of mesoporous silica nanoparticles (MSNs) with surface-attached ROS-scavenging ceria nanoparticles (CeNPs), which are further coated with poly(acrylic acid) (PAA) to facilitate preferential adherence to inflamed colon tissues through electrostatic interaction. We achieved a high ROS-scavenging property that remained effective even after artificial gastrointestinal fluid incubation by optimization of the molecular weight and PAA-coating pH. The orally administered ICANs demonstrated enhanced adherence to inflamed colon tissues in an acute inflammation mouse model of IBD induced by dextran sulfate sodium. This targeted delivery resulted in gut microenvironment modulation by regulating redox balance and reducing inflammatory cell infiltration, thereby suppressing the colitis-associated immune response. These findings highlight the potential of noninvasive ICANs as a promising candidate for treating inflammatory intestinal diseases by oxidative stress level modulation in colitis.
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Affiliation(s)
- Dong Kwang Min
- School of Chemical Engineering, Sungkyunkwan University (SKKU), Suwon 16419, Republic of Korea
| | - Ye Eun Kim
- School of Chemical Engineering, Sungkyunkwan University (SKKU), Suwon 16419, Republic of Korea
| | - Min Kyung Kim
- Department of Health Sciences and Technology, Samsung Advanced Institute for Health Sciences & Technology, Sungkyunkwan University (SKKU), Suwon 16419, Republic of Korea
| | - Seung Woo Choi
- Department of Ophthalmology, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Seongnam 13620, Republic of Korea
| | - Nuri Park
- School of Chemical Engineering, Sungkyunkwan University (SKKU), Suwon 16419, Republic of Korea
| | - Jaeyun Kim
- School of Chemical Engineering, Sungkyunkwan University (SKKU), Suwon 16419, Republic of Korea
- Department of Health Sciences and Technology, Samsung Advanced Institute for Health Sciences & Technology, Sungkyunkwan University (SKKU), Suwon 16419, Republic of Korea
- Biomedical Institute for Convergence at SKKU (BICS), Sungkyunkwan University (SKKU), Suwon 16419, Republic of Korea
- Institute of Quantum Biophysics (IQB), Sungkyunkwan University (SKKU), Suwon 16419, Republic of Korea
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56
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Saud Gany SL, Chin KY, Tan JK, Aminuddin A, Makpol S. Preventative and therapeutic potential of tocotrienols on musculoskeletal diseases in ageing. Front Pharmacol 2023; 14:1290721. [PMID: 38146461 PMCID: PMC10749321 DOI: 10.3389/fphar.2023.1290721] [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: 09/08/2023] [Accepted: 11/20/2023] [Indexed: 12/27/2023] Open
Abstract
Musculoskeletal health is paramount in an ageing population susceptible to conditions such as osteoporosis, arthritis and fractures. Age-related changes in bone, muscle, and joint function result in declining musculoskeletal health, reduced mobility, increased risk of falls, and persistent discomfort. Preserving musculoskeletal wellbeing is essential for maintaining independence and enhancing the overall quality of life for the elderly. The global burden of musculoskeletal disorders is significant, impacting 1.71 billion individuals worldwide, with age-related muscle atrophy being a well-established phenomenon. Tocotrienols, a unique type of vitamin E found in various sources, demonstrate exceptional antioxidant capabilities compared to tocopherols. This characteristic positions them as promising candidates for addressing musculoskeletal challenges, particularly in mitigating inflammation and oxidative stress underlying musculoskeletal disorders. This review paper comprehensively examines existing research into the preventive and therapeutic potential of tocotrienols in addressing age-related musculoskeletal issues. It sheds light on the promising role of tocotrienols in enhancing musculoskeletal health and overall wellbeing, emphasizing their significance within the broader context of age-related health concerns.
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Affiliation(s)
- Siti Liyana Saud Gany
- Department of Biochemistry, Faculty of Medicine, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia
| | - Kok-Yong Chin
- Department of Pharmacology, Faculty of Medicine, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia
| | - Jen Kit Tan
- Department of Biochemistry, Faculty of Medicine, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia
| | - Amilia Aminuddin
- Department of Physiology, Faculty of Medicine, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia
| | - Suzana Makpol
- Department of Biochemistry, Faculty of Medicine, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia
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Balamon MG, El-Bordany EA, Mahmoud NFH, Hamed AA, Swilem AE. Exploring the Antioxidant Potency of New Naphthalene-Based Chalcone Derivatives: Design, Synthesis, Antioxidant Evaluation, Docking Study, DFT Calculations. Chem Biodivers 2023; 20:e202301344. [PMID: 37909089 DOI: 10.1002/cbdv.202301344] [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: 09/03/2023] [Revised: 10/14/2023] [Accepted: 10/31/2023] [Indexed: 11/02/2023]
Abstract
Naphthalene-based chalcone derivative was successfully synthesized through the condensation of 2,4-dichlorobenzaldehyde with 2-acetylnaphthalene. This chalcone, denoted as compound 1, demonstrated a versatile reactivity upon treatment with both nitrogen and carbon nucleophiles, and yielded diverse heterocyclic scaffolds such as pyrazoline, thiazole, pyrimidine, pyran, and pyridine derivatives. The pyrazoline aldehyde derivative 7 was further derivatized to produce the hydrazide-hydrazone 13, namely, (1H-pyrazol-1-yl)methylene)acetohydrazide, which was exploited to synthesize derivatives of 2-oxo-2H-chromene-3-carbohydrazide 14, 2-(4-oxo-4,5-dihydrothiazol-2-yl)acetohydrazide 15, and 3-(4-nitrophenyl)acrylohydrazide 16. All the newly synthesized compounds were characterized by melting point, elemental analysis, as well as FT-IR, 1 H-NMR and mass spectroscopy. Furthermore, these heterocyclic derivatives were screened for their antioxidant capacities using the DPPH radical assay. The results showed that compounds 5 and 10 are the most potent antioxidants with IC50 values 178, 177(μM), respectively. comparable to that of ascorbic acid which has IC50 value 148. Meanwhile, compounds 2, 12, 13, 14, 15, and 16 exhibited moderate antioxidant activities with IC50 values ranged from 266 to 291(μM). Thus, these heterocycles could emerge as promising antioxidant drugs for the treatment of oxidative stress-related diseases. Finally, molecular docking was conducted to study the binding affinity for the most potent antioxidant compounds 5, 10, and ascorbic acid inside the active pocket of Human Peroxiredoxin 5 (1HD2). DFT calculations and global descriptors were calculated for the most potent compounds to correlate the relation between chemical structure and reactivity.
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Affiliation(s)
- Mina G Balamon
- Department of Chemistry, Faculty of Science, Ain Shams University, Cairo, 11566, Egypt
| | - Eman A El-Bordany
- Department of Chemistry, Faculty of Science, Ain Shams University, Cairo, 11566, Egypt
| | - Naglaa F H Mahmoud
- Department of Chemistry, Faculty of Science, Ain Shams University, Cairo, 11566, Egypt
| | - Ashraf A Hamed
- Department of Chemistry, Faculty of Science, Ain Shams University, Cairo, 11566, Egypt
| | - Ahmed E Swilem
- Department of Chemistry, Faculty of Science, Ain Shams University, Cairo, 11566, Egypt
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Rama H, Ndaba B, Maaza M, Dhlamini MS, Cochrane N, Roopnarain A. Effect of extraction methods on phytochemical constituents and antioxidant activity of de-kernelled Sclerocarya birrea seeds. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2023; 103:7757-7763. [PMID: 37463294 DOI: 10.1002/jsfa.12865] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/18/2023] [Revised: 06/12/2023] [Accepted: 07/19/2023] [Indexed: 07/20/2023]
Abstract
BACKGROUND Marula (Sclerocarya birrea) is an indigenous African fruit-bearing tree with many commercial uses; however, de-kernelled seeds generated from marula fruit-processing are wasted. The phytochemical constituents of de-kernelled marula seeds have not been investigated previously and its extract/tea may potentially serve as a promising source of antioxidants and phytochemicals. This study aimed to investigate the effect of different extraction methods (maceration and decoction) on the recovery of phenolic compounds, sugars, organic acids, and antioxidants from de-kernelled marula seeds. RESULTS Extracts produced from decoction for 30 min contained the highest phenolic content (2253.93 ± 25.72 mg gallic acid equivalent kg-1 extract), flavonoid content (1020.99 ± 23.90 mg rutin equivalent kg-1 extract), as well as combined sugars and organic acids (1884.03 mg kg-1 extract). Fourier-transform infrared spectroscopy analysis confirmed the presence of functional groups typically present in phenolic compounds, sugars, and organic acids in the extracts obtained from decoction. CONCLUSION The characterization revealed that decoction extraction increased solubility, variety, and yield of phytochemical and antioxidant compounds recovered from de-kernelled marula seeds. The highest concentrations of phytochemicals were obtained using the decoction method. This study may therefore pave the way for extract composition and future utilization of de-kernelled marula seeds in the food industry. © 2023 Society of Chemical Industry.
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Affiliation(s)
- Haripriya Rama
- Microbiology and Environmental Biotechnology Research Group, Agricultural Research Council - Natural Resources and Engineering, Pretoria, South Africa
- Department of Physics, School of Science, College of Science, Engineering and Technology, University of South Africa-Florida Campus, Florida, South Africa
| | - Busiswa Ndaba
- Microbiology and Environmental Biotechnology Research Group, Agricultural Research Council - Natural Resources and Engineering, Pretoria, South Africa
| | - Malik Maaza
- Nanosciences African Network (NANOAFNET), iThemba LABS-National Research Foundation, Somerset West, South Africa
- UNESCO-UNISAiTLABS/NRF Africa Chair in Nanosciences-Nanotechnology, College of Graduate Studies, University of South Africa, Pretoria, South Africa
| | - Mokhotjwa Simon Dhlamini
- Department of Physics, School of Science, College of Science, Engineering and Technology, University of South Africa-Florida Campus, Florida, South Africa
| | | | - Ashira Roopnarain
- Microbiology and Environmental Biotechnology Research Group, Agricultural Research Council - Natural Resources and Engineering, Pretoria, South Africa
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Kim HJ, Yang J, Herath KHINM, Jeon YJ, Son YO, Kwon D, Kim HJ, Jee Y. Oral Administration of Sargassum horneri Suppresses Particulate Matter-Induced Oxidative DNA Damage in Alveolar Macrophages of Allergic Airway Inflammation: Relevance to PM-Mediated M1/M2 AM Polarization. Mol Nutr Food Res 2023; 67:e2300462. [PMID: 37986167 DOI: 10.1002/mnfr.202300462] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Indexed: 11/22/2023]
Abstract
SCOPE Particulate matter (PM) can cause cellular oxidative damage and promote respiratory diseases. It has recently shown that Sargassum horneri ethanol extract (SHE) containing sterols and gallic acid reduces PM-induced oxidative stress in mice lung cells through ROS scavenging and metal chelating. In this study, the role of alveolar macrophages (AMs) is identified that are particularly susceptible to DNA damage due to PM-triggered oxidative stress in lungs of OVA-sensitized mice exposed to PM. METHODS AND RESULTS The study scrutinizes if PM exposure causes oxidative DNA damage to AMs differentially depending on their type of polarization. Further, SHE's potential is investigated in reducing oxidative DNA damage in polarized AMs and restoring AM polarization in PM-induced allergic airway inflammation. The study discovers that PM triggers prolonged oxidative stress to AMs, leading to lipid peroxidation in them and alveolar epithelial cells. Particularly, AMs are polarized to M2 phenotype (F4/80+ CD206+ ) with enhanced oxidative DNA damage when subject to PM-induced oxidative stress. However, SHE repairs oxidative DNA damage in M1- and M2-polarized AMs and reduces AMs polarization imbalance due to PM exposure. CONCLUSION These results suggest the possibility of SHE as beneficial foods against PM-induced allergic airway inflammation via suppression of AM dysfunction.
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Affiliation(s)
- Hyo Jin Kim
- Department of Food Bioengineering, Jeju National University, Jeju, 63243, Republic of Korea
| | - Jiwon Yang
- Interdisciplinary Graduate Program in Advanced Convergence Technology & Science, Jeju National University, Jeju, 63243, Republic of Korea
- Department of Animal Biotechnology, Faculty of Biotechnology, College of Applied Life Sciences, Jeju National University, Jeju, 63243, Republic of Korea
| | | | - You-Jin Jeon
- Department of Marine Life Science, School of Marine Biomedical Sciences, Jeju National University, Jeju, 63243, Republic of Korea
| | - Young-Ok Son
- Interdisciplinary Graduate Program in Advanced Convergence Technology & Science, Jeju National University, Jeju, 63243, Republic of Korea
- Department of Animal Biotechnology, Faculty of Biotechnology, College of Applied Life Sciences, Jeju National University, Jeju, 63243, Republic of Korea
| | - Doyoung Kwon
- College of Pharmacy, Jeju National University, Jeju, 63243, Republic of Korea
- Jeju Research Institute of Pharmaceutical Sciences, Jeju National University, Jeju, 63243, Republic of Korea
| | - Hyun Jung Kim
- Department of Food Bioengineering, Jeju National University, Jeju, 63243, Republic of Korea
| | - Youngheun Jee
- Interdisciplinary Graduate Program in Advanced Convergence Technology & Science, Jeju National University, Jeju, 63243, Republic of Korea
- Department of Veterinary Medicine and Veterinary Medical Research Institute, Jeju National University, Jeju, 63243, Republic of Korea
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Shalaby ES, Aboutaleb S, Ismail SA, Yassen NN, Sedik AA. Chitosan tamarind-based nanoparticles as a promising approach for topical application of curcumin intended for burn healing: in vitro and in vivo study. J Drug Target 2023; 31:1081-1097. [PMID: 37886815 DOI: 10.1080/1061186x.2023.2276662] [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: 06/13/2023] [Accepted: 10/21/2023] [Indexed: 10/28/2023]
Abstract
One of the most prevalent worldwide problems that affect all ages and genders is skin burn. The goal of our study was to assess the ability of curcumin nanoparticles to cure a rat burn model. Three formulations were selected after several tests were performed including investigation of encapsulation efficiency, particle size and zeta potential measurements. In vitro release was achieved on the three selected formulations. The effectiveness of the chosen formulation for healing was evaluated. The induced burn wound was smeared, starting just after excision, once daily with curcumin nanoparticles for 18 days. Our findings revealed that curcumin nanoparticles improved the burn healing potential by augmenting the skin regeneration indices as evidenced by enhancing the new production of hyaluronic acid and collagen type I. Additionally, curcumin nanoparticles could increase levels of vascular endothelial growth factor and alpha smooth muscle activity while drastically reducing the skin's tumour necrosis factor content, revealing a significant potential for burn healing process that is also reflected in the histopathological and immunohistochemical studies. Finally, our results demonstrated that curcumin nanoparticles revealed a significant potential for burn healing than curcumin alone due to its potent antimicrobial, antioxidant and anti-inflammatory properties.
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Affiliation(s)
- Eman S Shalaby
- Pharmaceutical Technology Department, Pharmaceutical and Drug Industries Research Institute, National Research Centre, Cairo, Egypt
| | - Sally Aboutaleb
- Pharmaceutical Technology Department, Pharmaceutical and Drug Industries Research Institute, National Research Centre, Cairo, Egypt
| | - Shaymaa A Ismail
- Department of Chemistry of Natural and Microbial Products, Pharmaceutical and Drug Industries Research Institute, National Research Centre, Cairo, Egypt
| | - Noha N Yassen
- Pathology Department, National Research Centre, Cairo, Egypt
| | - Ahmed A Sedik
- Pharmacology Department, Medical Research and Clinical Studies Institute, National Research Centre, Cairo, Egypt
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Liu J, Han X, Zhang T, Tian K, Li Z, Luo F. Reactive oxygen species (ROS) scavenging biomaterials for anti-inflammatory diseases: from mechanism to therapy. J Hematol Oncol 2023; 16:116. [PMID: 38037103 PMCID: PMC10687997 DOI: 10.1186/s13045-023-01512-7] [Citation(s) in RCA: 19] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Accepted: 11/17/2023] [Indexed: 12/02/2023] Open
Abstract
Inflammation is a fundamental defensive response to harmful stimuli, but the overactivation of inflammatory responses is associated with most human diseases. Reactive oxygen species (ROS) are a class of chemicals that are generated after the incomplete reduction of molecular oxygen. At moderate levels, ROS function as critical signaling molecules in the modulation of various physiological functions, including inflammatory responses. However, at excessive levels, ROS exert toxic effects and directly oxidize biological macromolecules, such as proteins, nucleic acids and lipids, further exacerbating the development of inflammatory responses and causing various inflammatory diseases. Therefore, designing and manufacturing biomaterials that scavenge ROS has emerged an important approach for restoring ROS homeostasis, limiting inflammatory responses and protecting the host against damage. This review systematically outlines the dynamic balance of ROS production and clearance under physiological conditions. We focus on the mechanisms by which ROS regulate cell signaling proteins and how these cell signaling proteins further affect inflammation. Furthermore, we discuss the use of potential and currently available-biomaterials that scavenge ROS, including agents that were engineered to reduce ROS levels by blocking ROS generation, directly chemically reacting with ROS, or catalytically accelerating ROS clearance, in the treatment of inflammatory diseases. Finally, we evaluate the challenges and prospects for the controlled production and material design of ROS scavenging biomaterials.
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Affiliation(s)
- Jiatong Liu
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China School of Stomatology, Sichuan University, Chengdu, 610041, China
| | - Xiaoyue Han
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China School of Stomatology, Sichuan University, Chengdu, 610041, China
| | - Tingyue Zhang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China School of Stomatology, Sichuan University, Chengdu, 610041, China
| | - Keyue Tian
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China School of Stomatology, Sichuan University, Chengdu, 610041, China
| | - Zhaoping Li
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China School of Stomatology, Sichuan University, Chengdu, 610041, China
| | - Feng Luo
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China School of Stomatology, Sichuan University, Chengdu, 610041, China.
- Department of Prosthodontics, West China School of Stomatology, Sichuan University, No. 14, Section 3, Renmin Nanlu, Chengdu, 610041, China.
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Ijaz MU, Qamer M, Hamza A, Ahmed H, Afsar T, Abulmeaty M, Ayub A, Razak S. Sciadopitysin mitigates spermatological and testicular damage instigated by paraquat administration in male albino rats. Sci Rep 2023; 13:19753. [PMID: 37957289 PMCID: PMC10643627 DOI: 10.1038/s41598-023-46898-z] [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: 07/30/2023] [Accepted: 11/07/2023] [Indexed: 11/15/2023] Open
Abstract
Paraquat (PQ) is a herbicide that has ability to induce testicular toxicity by producing reactive oxygen species (ROS). Sciadopitysin (SPS) is a promising flavonoid that displays multiple pharmacological properties i.e., anti-inflammatory, anti-oxidant and anti-apoptotic. Therefore, the present study was designed to evaluate the mitigative role of SPS against PQ induced testicular toxicity in male rats. The experiment was performed on male albino rats (n = 48) that were divided into 4 groups. The group-1 was control group. Group-2 was administrated orally with PQ (5 mg/kg). Group-3 was administrated orally with PQ (5 mg/kg) and SPS (2 mg/kg). Group-4 was supplemented with SPS (2 mg/kg) through oral gavage. The experiment was conducted for 56 days. The exposure to PQ significantly lowered the activities of catalase (CAT), glutathione reductase (GSR), superoxide dismutase (SOD) as well as glutathione peroxidase (GPx). Whereas, a substantial increase was observed in dead sperms number, abnormalities in the tail, head as well as midpiece of sperms in PQ intoxicated rats. Moreover, a significant increase in the level of ROS and malondialdehyde (MDA) was noticed in PQ administrated group. Furthermore, steroidogenic enzymes expression was significantly decreased in PQ-intoxicated group, whereas the level of inflammatory markers was increased in PQ administrated rats. Besides, the expression of apoptotic markers was significantly escalated in PQ exposed rats, whereas the expression of anti-apoptotic markers was considerably reduced. A significant reduction in hormonal level was also noticed in the rats that were administrated with PQ. Moreover, the histopathological examination revealed that PQ significantly damaged the testicles. However, the supplementation of SPS with PQ significantly reduced the adverse effects of PQ in the testes of albino rats. Therefore, the current investigation demonstrated that SPS possesses a significant potential to avert PQ-induced testicular dysfunction due to its anti-apoptotic, androgenic, anti-oxidant and anti-inflammatory nature.
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Affiliation(s)
- Muhammad Umar Ijaz
- Department of Zoology, Wildlife and Fisheries, University of Agriculture, Faisalabad, 38040, Pakistan.
| | - Mohammad Qamer
- Department of Zoology, Wildlife and Fisheries, University of Agriculture, Faisalabad, 38040, Pakistan
| | - Ali Hamza
- Department of Zoology, Wildlife and Fisheries, University of Agriculture, Faisalabad, 38040, Pakistan
| | - Hussain Ahmed
- Department of Zoology, The University of Buner, Buner, Khyber Pakhtunkhwa, Pakistan
| | - Tayyaba Afsar
- Department of Community Health Sciences, College of Applied Medical Sciences, King Saud University, 11433, Riyadh, Saudi Arabia
| | - Mahmoud Abulmeaty
- Department of Community Health Sciences, College of Applied Medical Sciences, King Saud University, 11433, Riyadh, Saudi Arabia
| | - Arusha Ayub
- Department of Medicine, School of Health Sciences, University of Georgia, Tbilisi, GA, Georgia
| | - Suhail Razak
- Department of Community Health Sciences, College of Applied Medical Sciences, King Saud University, 11433, Riyadh, Saudi Arabia.
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Estivi L, Brandolini A, Gasparini A, Hidalgo A. Lupin as a Source of Bioactive Antioxidant Compounds for Food Products. Molecules 2023; 28:7529. [PMID: 38005249 PMCID: PMC10673580 DOI: 10.3390/molecules28227529] [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: 10/18/2023] [Revised: 11/06/2023] [Accepted: 11/08/2023] [Indexed: 11/26/2023] Open
Abstract
Four species of lupin (white lupin, yellow lupin, blue lupin and Andean lupin) are widely cropped thanks to the excellent nutritional composition of their seeds: high protein content (28-48 g/100 g); good lipid content (4.6-13.5 g/100 g, but up to 20.0 g/100 g in Andean lupin), especially unsaturated triacylglycerols; and richness in antioxidant compounds like carotenoids, tocols and phenolics. Particularly relevant is the amount of free phenolics, highly bioaccessible in the small intestine. However, the typical bitter and toxic alkaloids must be eliminated before lupin consumption, hindering its diffusion and affecting its nutritional value. This review summarises the results of recent research in lupin composition for the above-mentioned three classes of antioxidant compounds, both in non-debittered and debittered seeds. Additionally, the influence of technological processes to further increase their nutritional value as well as the effects of food manufacturing on antioxidant content were scrutinised. Lupin has been demonstrated to be an outstanding raw material source, superior to most crops and suitable for manufacturing foods with good antioxidant and nutritional properties. The bioaccessibility of lupin antioxidants after digestion of ready-to-eat products still emerges as a dearth in current research.
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Affiliation(s)
- Lorenzo Estivi
- Department of Food, Environmental and Nutritional Sciences (DeFENS), University of Milan, Via Celoria 2, 20133 Milan, Italy; (L.E.); (A.H.)
| | - Andrea Brandolini
- Council for Agricultural Research and Economics, Research Centre for Animal Production and Aquaculture (CREA-ZA), Via Piacenza 29, 26900 Lodi, Italy;
| | - Andrea Gasparini
- Council for Agricultural Research and Economics, Research Centre for Animal Production and Aquaculture (CREA-ZA), Via Piacenza 29, 26900 Lodi, Italy;
| | - Alyssa Hidalgo
- Department of Food, Environmental and Nutritional Sciences (DeFENS), University of Milan, Via Celoria 2, 20133 Milan, Italy; (L.E.); (A.H.)
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Siano F, Sammarco AS, Fierro O, Castaldo D, Caruso T, Picariello G, Vasca E. Insights into the Structure-Capacity of Food Antioxidant Compounds Assessed Using Coulometry. Antioxidants (Basel) 2023; 12:1963. [PMID: 38001816 PMCID: PMC10669202 DOI: 10.3390/antiox12111963] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2023] [Revised: 10/29/2023] [Accepted: 11/01/2023] [Indexed: 11/26/2023] Open
Abstract
CDAC (coulometrically determined antioxidant capacity) involves the determination of the antioxidant capacity of individual compounds or their mixtures using constant-current coulometry, with electrogenerated Br2 as the titrant, and biamperometric detection of the endpoint via Br2 excess. CDAC is an accurate, sensitive, rapid, and cheap measurement of the mol electrons (mol e-) transferred in a redox process. In this study, the CDAC of 48 individual antioxidants commonly found in foods has been determined. The molar ratio CDAC (CDACχ, mol e- mol-1) of representative antioxidants is ranked as follows: tannic acid > malvidin-3-O-glucoside ≃ curcumin > quercetin > catechin ≃ ellagic acid > gallic acid > tyrosol > BHT ≃ hydroxytyrosol > chlorogenic acid ≃ ascorbic acid ≃ Trolox®. In many cases, the CDACχ ranking of the flavonoids did not comply with the structural motifs that promote electron or hydrogen atom transfers, known as the Bors criteria. As an accurate esteem of the stoichiometric coefficients for reactions of antioxidants with Br2, the CDACχ provides insights into the structure-activity relationships underlying (electro)chemical reactions. The electrochemical ratio (ER), defined as the antioxidant capacity of individual compounds relative to ascorbic acid, represents a dimensionless nutritional index that can be used to estimate the antioxidant power of any foods on an additive basis.
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Affiliation(s)
- Francesco Siano
- Istituto di Scienze dell’Alimentazione, Consiglio Nazionale delle Ricerche, Via Roma 64, 83100 Avellino, Italy; (F.S.); (O.F.)
| | - Anna Sofia Sammarco
- Dipartimento di Chimica e Biologia “A. Zambelli”, Università degli Studi di Salerno, Via Giovanni Paolo II 132, 84084 Fisciano, Italy; (A.S.S.); (T.C.)
| | - Olga Fierro
- Istituto di Scienze dell’Alimentazione, Consiglio Nazionale delle Ricerche, Via Roma 64, 83100 Avellino, Italy; (F.S.); (O.F.)
| | - Domenico Castaldo
- Stazione Sperimentale per le Industrie delle Essenze e dei Derivati dagli Agrumi (SSEA), Azienda Speciale CCIAA di Reggio Calabria, Via G. Tommasini 2, 89125 Reggio Calabria, Italy;
- Ministero delle Imprese e del Made in Italy, Via Molise 2, 00187 Roma, Italy
- Dipartimento di Ingegneria Industriale e ProdAl Scarl, Università degli Studi di Salerno, Via Giovanni Paolo II 132, 84084 Fisciano, Italy
| | - Tonino Caruso
- Dipartimento di Chimica e Biologia “A. Zambelli”, Università degli Studi di Salerno, Via Giovanni Paolo II 132, 84084 Fisciano, Italy; (A.S.S.); (T.C.)
| | - Gianluca Picariello
- Istituto di Scienze dell’Alimentazione, Consiglio Nazionale delle Ricerche, Via Roma 64, 83100 Avellino, Italy; (F.S.); (O.F.)
| | - Ermanno Vasca
- Dipartimento di Chimica e Biologia “A. Zambelli”, Università degli Studi di Salerno, Via Giovanni Paolo II 132, 84084 Fisciano, Italy; (A.S.S.); (T.C.)
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Marqui FN, Martins A, da Cruz TE, Berton TIU, de Paula Freitas-Dell'Aqua C, Dell'Aqua JA, Oba E. Iodixanol supplementation in freezing extender improves the antioxidant capacity of semen. Reprod Domest Anim 2023; 58:1551-1558. [PMID: 37679893 DOI: 10.1111/rda.14470] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Revised: 08/16/2023] [Accepted: 08/29/2023] [Indexed: 09/09/2023]
Abstract
The aim of this study was to evaluate the effect of supplementing bovine semen freezing extender with different concentrations of iodixanol on post-thaw sperm characteristics. Six ejaculates of three Nellore bulls were pooled and diluted in commercial extender (BotuBov®) and then divided into 4 groups: control group (without adding iodixanol); groups G1.5, G3, or G6 according to the concentration of iodixanol solution (RedCushion®). After dilution, the samples were cooled and frozen. Post-thaw semen evaluation included sperm motility by CASA immediately after thawing and after 60 min of incubation at 37°C, flow cytometry analysis for integrity of plasma and acrosomal membranes, membrane destabilization and translocation of phosphatidylserine, mitochondrial membrane potential, and formation of intracellular anion superoxide (O 2 - ), hydrogen peroxide (H2 O2 ), and membrane lipid peroxidation. The group G6 presented significantly higher (p < .05) total and progressive motility, percentage of plasma and acrosomal membrane integrity, and H2 O2 than control and group G1.5. Furthermore, group G6 showed lower (p < .05) lipid peroxidation than control. In addition, regardless of the concentration used, the percentage of spermatozoa without phosphatidylserine translocation was higher (p < .05) in all iodixanol supplemented groups. In conclusion, iodixanol supplementation preserved the motility and integrity of sperm membranes during cryopreservation and protected against lipid peroxidation.
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Affiliation(s)
- Fernanda N Marqui
- School of Veterinary Medicine and Animal Science, São Paulo State University (UNESP), Sao Paulo, Brazil
| | - Alicio Martins
- School of Veterinary Medicine, São Paulo State University (UNESP), Sao Paulo, Brazil
| | - Tairini Erica da Cruz
- School of Veterinary Medicine and Animal Science, São Paulo State University (UNESP), Sao Paulo, Brazil
| | | | | | - José A Dell'Aqua
- School of Veterinary Medicine and Animal Science, São Paulo State University (UNESP), Sao Paulo, Brazil
| | - Eunice Oba
- School of Veterinary Medicine and Animal Science, São Paulo State University (UNESP), Sao Paulo, Brazil
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66
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Xu W, Zhao Y, Lv Y, Bouphun T, Jia W, Liao S, Zhu M, Zou Y. Variations in microbial diversity and chemical components of raw dark tea under different relative humidity storage conditions. Food Chem X 2023; 19:100863. [PMID: 37780317 PMCID: PMC10534245 DOI: 10.1016/j.fochx.2023.100863] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2023] [Revised: 08/29/2023] [Accepted: 09/01/2023] [Indexed: 10/03/2023] Open
Abstract
Raw dark tea (RDT) usually needs to be stored for a long time to improve its quality under suitable relative humidity (RH). However, the impact of RH on tea quality is unclear. In this study, we investigated the metabolites and microbial diversity, and evaluated the sensory quality of RDT stored under three RH conditions (1%, 57%, and 88%). UHPLC-Q-TOF-MS analysis identified 144 metabolites, including catechins, flavonols, phenolic acids, amino acids, and organic acids. 57% RH led to higher levels of O-methylated catechin derivatives, polymerized catechins, and flavonols/flavones when compared to 1% and 88% RH. The best score in sensory evaluation was also obtained by 57% RH. Aspergillus, Gluconobacter, Kluyvera, and Pantoea were identified as the core functional microorganisms in RDT under different RH storage conditions. Overall, the findings provided new insights into the variation of microbial communities and chemical components under different RH storage conditions.
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Affiliation(s)
- Wei Xu
- College of Horticulture, Tea Refining and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu 611130, China
| | - Yiqiao Zhao
- College of Horticulture, Tea Refining and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu 611130, China
| | - Yating Lv
- College of Horticulture, Tea Refining and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu 611130, China
| | - Tunyaluk Bouphun
- Faculty of Science and Agricultural Technology, Rajamangala University of Technology Lanna Lampang, Lampang 52000, Thailand
| | - Wenbao Jia
- College of Horticulture, Tea Refining and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu 611130, China
| | - Siyu Liao
- College of Horticulture, Tea Refining and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu 611130, China
| | - Mingzhi Zhu
- Key Laboratory of Tea Science of Ministry of Education, National Research Center of Engineering Technology for Utilization of Functional Ingredients from Botanicals, College of Horticulture, Hunan Agricultural University, Changsha 410128, China
| | - Yao Zou
- College of Horticulture, Tea Refining and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu 611130, China
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Huang K, Xu B. Critical review of the phytochemical profiles and health-promoting effects of the edible mushroom Armillaria mellea. Food Funct 2023; 14:9518-9533. [PMID: 37850245 DOI: 10.1039/d3fo02334f] [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: 10/19/2023]
Abstract
Research on the nutritional and medicinal properties of wild edible mushrooms has witnessed a significant surge in recent years. Among these mushrooms, Armillaria mellea (AM) stands out due to its abundant biologically active components. The presence of biological compounds in AM, including carbohydrates, sterols, fatty acids, sesquiterpenes, non-hallucinogenic indole compounds and adenosine derivatives, has been demonstrated in previous studies. Notably, specific bioactive substances isolated from AM, such as armillarikin, have exhibited promising anticancer effects. In vitro studies have elucidated the mechanisms behind these effects, further emphasizing the potential of AM in cancer treatment. Consequently, the objective of this study is to provide a comprehensive overview of the phytochemical profiles of AM while thoroughly investigating its therapeutic benefits. Moreover, this research has uncovered novel and effective treatments, including the utilization of ultrasonic disruption extraction in food processing. These findings highlight the potential of AM as a functional food with possible medical applications. By exploring AM's phytochemical composition and therapeutic effects, this study aims to contribute to a deeper understanding of its potential as a valuable natural resource.
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Affiliation(s)
- Kaiyuan Huang
- Zhuhai Guangdong-Hong Kong Food Safety Testing Co., Ltd, Zhuhai 519087, China
- Food Science and Technology Program, Department of Life Sciences, BNU-HKBU United International College, Zhuhai 519087, Guangdong, China.
| | - Baojun Xu
- Food Science and Technology Program, Department of Life Sciences, BNU-HKBU United International College, Zhuhai 519087, Guangdong, China.
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68
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Jelic M, Mandic A, Maricic S, Bozin B, Kladar N, Sudji J, Conic BS. PREDICTIVE POWER OF OXIDATIVE STRESS BIOMARKERS IN RECURRENCE AND SURVIVAL IN ADVANCED CERVICAL CANCER. Exp Oncol 2023; 45:231-241. [PMID: 37824768 DOI: 10.15407/exp-oncology.2023.02.231] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Indexed: 10/14/2023]
Abstract
The aim of our study was to measure the levels of 8-hydroxy-2-deoxyguanosine, malondialdehyde, and antioxidant enzymes in patients with locally advanced cervical cancer prior to treatment to determine how these evaluated biomarkers are associated with cervical cancer recurrence and to estimate their potential in further research and clinical use. MATERIALS AND METHODS The study included 45 female patients with newly diagnosed advanced cervical cancer who underwent concomitant chemoradiotherapy. The blood and urine samples were collected prior to treatment, between December 2013 and April 2016, and subsequent laboratory analysis was performed. After the medium follow-up of 29 months, the patients were divided into 3 groups according to the time of disease recurrence. A statistical analysis was performed in order to evaluate the relationship between the previously measured biomarkers and recurrence. RESULTS Taken individually, the parameters of oxidative stress did not reveal significant differences between the three groups in our study. Nevertheless, the catalase and glutathione S-transferase activities were the best predictors of the recurrence. Based on the activities of these two oxidative enzymes, it was possible to separate the group of patients without recurrence after follow-up from the other two groups of patients with recurrent disease. CONCLUSIONS The parameters of oxidative stress have a certain predictive value on the outcome of patients with advanced cervical cancer after concomitant chemo-radiotherapy.
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Affiliation(s)
- Marija Jelic
- University of Novi Sad, Faculty of Medicine, Department of Pharmacy, Hajduk Veljkova 3, 21000 Novi Sad, Serbia
| | - Aljosa Mandic
- Oncology Institute of Vojvodina, Sremska Kamenica, Serbia
- University of Novi Sad, Faculty of Medicine, Department of Gynecology and Obstetrics, Hajduk Veljkova 3, 21000 Novi Sad, Serbia
| | - Slobodan Maricic
- Oncology Institute of Vojvodina, Sremska Kamenica, Serbia
- University of Novi Sad, Faculty of Medicine, Department of Gynecology and Obstetrics, Hajduk Veljkova 3, 21000 Novi Sad, Serbia
| | - Biljana Bozin
- University of Novi Sad, Faculty of Medicine, Department of Pharmacy, Hajduk Veljkova 3, 21000 Novi Sad, Serbia
| | - Nebojsa Kladar
- University of Novi Sad, Faculty of Medicine, Department of Pharmacy, Hajduk Veljkova 3, 21000 Novi Sad, Serbia
- University of Novi Sad, Faculty of Medicine, Center for Medical and Pharmaceutical Investigations and Quality Control, Hajduk Veljkova 3, 21000 Novi Sad, Serbia
| | - Jan Sudji
- University of Novi Sad, Faculty of Medicine, Department of Pharmacy, Hajduk Veljkova 3, 21000 Novi Sad, Serbia
| | - Branislava Srdjenovic Conic
- University of Novi Sad, Faculty of Medicine, Department of Pharmacy, Hajduk Veljkova 3, 21000 Novi Sad, Serbia
- University of Novi Sad, Faculty of Medicine, Center for Medical and Pharmaceutical Investigations and Quality Control, Hajduk Veljkova 3, 21000 Novi Sad, Serbia
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Szerlauth A, Varga S, Szilagyi I. Molecular Antioxidants Maintain Synergistic Radical Scavenging Activity upon Co-Immobilization on Clay Nanoplatelets. ACS Biomater Sci Eng 2023; 9:5622-5631. [PMID: 37738637 PMCID: PMC10565722 DOI: 10.1021/acsbiomaterials.3c00909] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Accepted: 09/12/2023] [Indexed: 09/24/2023]
Abstract
Unbalanced levels of reactive oxygen species (ROS) result in oxidative stress, affecting both biomedical and industrial processes. Antioxidants can prevent ROS overproduction and thus delay or inhibit their harmful effects. Herein, activities of two molecular antioxidants (gallic acid (GA), a well-known phenolic compound, and nicotinamide adenine dinucleotide (NADH), a vital biological cofactor) were tested individually and in combination to assess possible synergistic, additive, or antagonistic effects in free radical scavenging and in redox capacity assays. GA was a remarkable radical scavenger, and NADH exhibited moderate antioxidant activity, while their combination at different molar ratios led to a synergistic effect since the resulting activity was superior to the sum of the individual GA and NADH activities. Their coimmobilization was performed on the surface of delaminated layered double hydroxide clay nanoplatelets by electrostatic interactions, and the synergistic effect was maintained upon such a heterogenization of these molecular antioxidants. The coimmobilization of GA and NADH expands the range of their potential applications, in which separation of antioxidant additives is important during treatments or manufacturing processes.
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Affiliation(s)
- Adel Szerlauth
- MTA-SZTE Lendület
Biocolloids Research Group, Department of Physical Chemistry and Materials
Science, Interdisciplinary Excellence Centre, University of Szeged, Szeged H-6720, Hungary
| | - Szilárd Varga
- MTA-SZTE Lendület
Biocolloids Research Group, Department of Physical Chemistry and Materials
Science, Interdisciplinary Excellence Centre, University of Szeged, Szeged H-6720, Hungary
| | - Istvan Szilagyi
- MTA-SZTE Lendület
Biocolloids Research Group, Department of Physical Chemistry and Materials
Science, Interdisciplinary Excellence Centre, University of Szeged, Szeged H-6720, Hungary
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Gupta P, Kaur N, Kumar V, Gupta A, Gupta S, Dua A, Injeti E, Mittal A. Evaluation of cinnamaldehyde derivatives as potential protective agents against oxidative-stress induced myotube atrophy using chemical, biological and computational analysis. Bioorg Chem 2023; 139:106661. [PMID: 37354662 DOI: 10.1016/j.bioorg.2023.106661] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2023] [Revised: 05/14/2023] [Accepted: 06/06/2023] [Indexed: 06/26/2023]
Abstract
Skeletal muscle atrophy, associated with increased morbidity, mortality and poor quality of life, is a metabolic disorder with no FDA approved drug. Oxidative stress is one of the key mediators of atrophy that influences various cell signaling molecules. The goal of this study is to identify potential antioxidant agents that could be used to treat atrophy. In this study in vitro and in situ screening of different cinnamaldehyde (CNA) derivatives for their antioxidant effects was done along with computational analysis to understand the relationship between their chemical structure and biological activity. Data show that 2-hydroxycinnamaldehyde (2HCNA) worked better than other CNA analogues at physiological pH, while 4-Fluoro-2-methoxycinnamaldehyde (4FoCNA) showed the maximum antioxidant activity under acidic conditions. However, these derivatives (2HCNA and 4FoCNA) were found to be toxic to the cultured myotubes (mature myofiber) under both physiological and pathophysiological conditions. Immunofluorescence, bright-field microscopic and biochemical studies conducted using live C2C12 cells showed that pre-incubation with other CNA analogues i.e. 2-methoxycinnamaldehyde (2MeCNA) and 2-benzyloxycinnamaldehyde (2BzCNA) not only maintained the normal morphology of myotubes but also protected them from H2O2-induced atrophy. These compounds (2MeCNA and 2BzCNA) showed higher stability and antioxidant potential, as indicated by computer simulation data analyzed by Density Functional Theory (DFT) based molecular modeling. Overall, the chemical, biological, and computational studies reveal the therapeutic potential of CNA analogues (BzCNA and MeCNA) against oxidative-stress induced muscle atrophy in C2C12 cells.
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Affiliation(s)
- Prachi Gupta
- Skeletal Muscle Laboratory, Institute of Integrated and Honors Studies, Kurukshetra University, Kurukshetra, Haryana 136119, India
| | - Nirmaljeet Kaur
- Skeletal Muscle Laboratory, Institute of Integrated and Honors Studies, Kurukshetra University, Kurukshetra, Haryana 136119, India
| | - Vinod Kumar
- Department of Chemistry, Central University, Mahendergarh, Haryana, India
| | - Amit Gupta
- Department of Chemistry, Dronacharya Government College, Gurugram, Haryana, India
| | - Sanjeev Gupta
- Skeletal Muscle Laboratory, Institute of Integrated and Honors Studies, Kurukshetra University, Kurukshetra, Haryana 136119, India
| | - Anita Dua
- Skeletal Muscle Laboratory, Institute of Integrated and Honors Studies, Kurukshetra University, Kurukshetra, Haryana 136119, India
| | - Elisha Injeti
- Department of Pharmaceutical Sciences, Cedarville University School of Pharmacy, Cedarville, OH, USA
| | - Ashwani Mittal
- Skeletal Muscle Laboratory, Institute of Integrated and Honors Studies, Kurukshetra University, Kurukshetra, Haryana 136119, India.
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Burenjargal M, Narangerel T, Batmunkh T, Dong A, Idesh S. A review of the bioactive properties of Mongolian plants, with a focus on their potential as natural food preservatives. Food Sci Nutr 2023; 11:5736-5752. [PMID: 37823130 PMCID: PMC10563759 DOI: 10.1002/fsn3.3529] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Revised: 06/12/2023] [Accepted: 06/15/2023] [Indexed: 10/13/2023] Open
Abstract
Consumers have recently preferred food that is easy to make and of excellent quality, as well as food that is safe, natural, and minimally processed, but has a longer shelf life. Food deteriorates over time as a result of microbiological, chemical, or physical changes. Phytochemicals derived from medicinal and food plants have long been recognized for their biological activity to protect plants. These bioactivities are designed to increase the shelf life of food while inhibiting the growth of microorganisms. The use of natural plant food preservatives containing bioactive compounds as health-promoting agents is particularly intriguing. Furthermore, due to their effectiveness against food spoilage and foodborne pathogens, natural plant-origin antimicrobial compounds have been investigated as alternatives to synthetic antimicrobial compounds for preserving food quality. This review focused on the plant composition and properties that can be utilized as a natural food preservative, as well as the possibilities of using Mongolian medicinal plants.
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Affiliation(s)
| | - Tuya Narangerel
- Department of ChemistryNational University of MongoliaUlaanbaatarMongolia
| | - Tuyagerel Batmunkh
- Department of Chemical and Biological EngineeringNational University of MongoliaUlaanbaatarMongolia
| | - Alideertu Dong
- College of Chemistry and Chemical Engineering, Engineering Research Center of Dairy Quality and Safety Control Technology, Ministry of EducationInner Mongolia UniversityHohhotChina
| | - Saruul Idesh
- Department of ChemistryNational University of MongoliaUlaanbaatarMongolia
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Iorjiim WM, Omale S, Ede S, Ugokwe CV, Alemika TE. Involvement of functional senescence in efavirenz-induced toxicity in fruit fly. Toxicol Res (Camb) 2023; 12:853-862. [PMID: 37915498 PMCID: PMC10615817 DOI: 10.1093/toxres/tfad076] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Revised: 08/11/2023] [Accepted: 05/24/2023] [Indexed: 11/03/2023] Open
Abstract
Background We aimed in this article to assess the likeliness of efavirenz to induce functional senescence in Drosophila melanogaster (fruit fly). Methods Ten different concentrations of EFV were mixed with fly food and fed to 3-day-old flies orally for a 7 day LC50 calculation. Drug concentrations from LC50 were selected for a 28 day survival to determine the duration of treatment for behavioral and biochemical assays. A 5day feeding plan was used to investigate the effects of the drug on organismal, neuromuscular, reproductive, and metabolic senescence. An in silico study was executed to decipher a molecular interaction of Drosophila enzymes glutathione-s-transferase (GST) or acetylcholinesterase (AChE) with EFV. Results The calculated LC50 of EFV was 118 mg/10-g fly diet. The test drug induced a significant (P < 0.05) increase in fly mortality, climbing difficulty, and procreative deficits after a 5 day oral exposure. Similarly, there were significant (P < 0.05) biochemical alterations, which suggested in vivo biochemical damage against total thiols (T-SH), SOD (superoxide dismutase), CAT (catalase), GST, AChE, and MDA (malondialdehyde) in the test flies compared to the control groups. In silico study revealed a significantly (P < 0.05) higher binding energy between EFV and the active amino acids of fly AChE and GST when compared to the substrates or standard inhibitors respectively. Conclusion EFV exhibited ecotoxic potentials evidenced by age-related deficits in the fly's functional integrity such as sluggish movement, procreative deficiency, increased mortality, and oxidant-antioxidant inequality. Results from in silico study suggested antagonism against GST and AChE activities as a likely mechanism of EFV-induced toxicity in the fruit fly.
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Affiliation(s)
- Walter Mdekera Iorjiim
- Department of Pharmacology and Toxicology, University of Jos, Bauchi Road, Jos North, Postcode-930003, Plateau State, Nigeria
| | - Simeon Omale
- Department of Pharmacology and Toxicology, University of Jos, Bauchi Road, Jos North, Postcode-930003, Plateau State, Nigeria
- Africa Centre of Excellence in Phytomedicine Research and Development (ACEPRD), University of Jos, Bauchi Road, Jos North, Postcode-930003 Plateau State, Nigeria
| | - Samuel Ede
- Department of Pharmacology and Toxicology, University of Jos, Bauchi Road, Jos North, Postcode-930003, Plateau State, Nigeria
| | - Chinelo Vera Ugokwe
- Department of Biochemistry, University of Jos, Bauchi Road, Jos North, Postcode-93003, Plateau State, Nigeria
| | - Taiwo Emmanuel Alemika
- Africa Centre of Excellence in Phytomedicine Research and Development (ACEPRD), University of Jos, Bauchi Road, Jos North, Postcode-930003 Plateau State, Nigeria
- Department of Pharmaceutical and Medicinal Chemistry, University of Jos, Bauchi Road, Jos North, Postcode-930003 Plateau State, Nigeria
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73
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Choi BY, Park H, Kim J, Wang S, Lee J, Lee Y, Shim D. BLZ8 activates a plastidial peroxiredoxin and a ferredoxin to protect Chlamydomonas reinhardtii against oxidative stress. PLANT BIOLOGY (STUTTGART, GERMANY) 2023; 25:915-923. [PMID: 37338124 DOI: 10.1111/plb.13552] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/27/2023] [Accepted: 06/05/2023] [Indexed: 06/21/2023]
Abstract
Reactive oxygen species (ROS) cause damage to various cellular processes in almost all organisms, in particular photosynthetic organisms that depend on the electron transfer chain for CO2 fixation. However, the detoxifying process to mitigate ROS damage has not been studied intensively in microalgae. Here, we characterized the ROS detoxifying role of a bZIP transcription factor, BLZ8, in Chlamydomonas reinhardtii. To identify downstream targets of BLZ8, we carried out comparative genome-wide transcriptomic profiling of BLZ8 OX and its parental CC-4533 under oxidative stress conditions. Luciferase reporter activity assays and RT-qPCR were performed to test whether BLZ8 regulates downstream genes. We performed an in silico functional gene network analysis and an in vivo immunoprecipitation assay to identify the interaction between downstream targets of BLZ8. Comparative transcriptomic analysis and RT-qPCR revealed that overexpression of BLZ8 increased the expression levels of plastid peroxiredoxin1 (PRX1) and ferredoxin-5 (FDX5) under oxidative stress conditions. BLZ8 alone could activate the transcriptional activity of FDX5 and required bZIP2 to activate transcriptional activity of PRX1. Functional gene network analysis using FDX5 and PRX1 orthologs in A. thaliana suggested that these two genes were functionally associated. Indeed, our immunoprecipitation assay revealed the physical interaction between PRX1 and FDX5. Furthermore, the complemented strain, fdx5 (FDX5), recovered growth retardation of the fdx5 mutant under oxidative stress conditions, indicating that FDX5 contributes to oxidative stress tolerance. These results suggest that BLZ8 activates PRX1 and FDX5 expression, resulting in the detoxification of ROS to confer oxidative stress tolerance in microalgae.
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Affiliation(s)
- B Y Choi
- Department of Biological Sciences, Chungnam National University, Daejeon, Korea
| | - H Park
- Department of Biological Sciences, Chungnam National University, Daejeon, Korea
| | - J Kim
- Department of Biological Sciences, Chungnam National University, Daejeon, Korea
| | - S Wang
- Division of Natural and Applied Sciences, Duke Kunshan University, Suzhou, China
| | - J Lee
- Division of Natural and Applied Sciences, Duke Kunshan University, Suzhou, China
| | - Y Lee
- Department of Life Science, Pohang University of Science and Technology (POSTECH), Pohang, Korea
| | - D Shim
- Department of Biological Sciences, Chungnam National University, Daejeon, Korea
- Center for Genome Engineering, Institute for Basic Science, Daejeon, Korea
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74
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Abdul Sattar M, Patnaik A. Molecular Insights into Antioxidant Efficiency of Melanin: A Sustainable Antioxidant for Natural Rubber Formulations. J Phys Chem B 2023; 127:8242-8256. [PMID: 37708379 DOI: 10.1021/acs.jpcb.3c03523] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/16/2023]
Abstract
N-(1,3-Dimethyl butyl)-N'-phenyl-p-phenylenediamine (6-PPD) is a worldwide antioxidant commonly added to delay the thermo-oxidative degradation of tire rubbers. Unfortunately, 6PPD and its transformation product 6PPD-quinone are toxic to aquatic organisms (e.g., coho salmon). Herein, we explore the free radical scavenging activity and protective mechanism of melanin (MLN) on natural rubber's (NR's) oxidative resistance using molecular dynamics (MD) and quantum mechanical (QM) calculations. The relationship between the molecular structure and the chemical nature of the antioxidant molecules via transition state calculations is explored to unravel the reaction mechanisms of antioxidants interacting with peroxy radicals (ROO·) of NR with the estimation of reaction barriers. Following this, the radical scavenging activity of antioxidants was quantified via a hydrogen atom transfer mechanism and bond dissociation energy calculations. Parallel MD simulations were considered to study the interfacial interactions of antioxidant molecules with polymer chains and fillers with a quantifiable structure-property correlation. Given these results, the nanocomposite (NR-MLN-SiO2) with natural antioxidant melanin manifested outstanding antioxidant properties by preferentially bagging the ROO· radicals, thus improving NR's thermal-oxidative aging relative to 6-PPD. The MD results revealed that the intermolecular interactions at the NR/antioxidant interface benefited the antioxidant MLN to bind tightly to the NR in NR-MLN-SiO2 composite, thus exhibiting improved dispersion, O2 barrier properties, and thermo-oxidative stability, which could extend the service life of NR products (e.g., tires). In addition, as a sustainable antioxidant, MLN could replace toxic antioxidants like 6-PPD. More importantly, the QM/MD simulations provided a fundamental understanding of the mechanistic pathways of antioxidant molecules in NR composites, which are conducive to designing high-performance and sustainable green elastomers.
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Affiliation(s)
- Mohammad Abdul Sattar
- Colloid and Interface Chemistry Laboratory, Department of Chemistry, Indian Institute of Technology Madras, Chennai600036, India
| | - Archita Patnaik
- Colloid and Interface Chemistry Laboratory, Department of Chemistry, Indian Institute of Technology Madras, Chennai600036, India
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75
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Catalá TS, Speidel LG, Wenzel-Storjohann A, Dittmar T, Tasdemir D. Bioactivity profile of dissolved organic matter and its relation to molecular composition. NATURAL PRODUCTS AND BIOPROSPECTING 2023; 13:32. [PMID: 37721596 PMCID: PMC10507005 DOI: 10.1007/s13659-023-00395-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/23/2023] [Accepted: 08/30/2023] [Indexed: 09/19/2023]
Abstract
Dissolved organic matter (DOM) occupies a huge and uncharted molecular space. Given its properties, DOM can be presented as a promising biotechnological resource. However, research into bioactivities of DOM is still in early stages. In this study, the biotechnological potential of terrestrial and marine DOM, its molecular composition and their relationships are investigated. Samples were screened for their in vitro antibacterial, antifungal, anticancer and antioxidant activities. Antibacterial activity was detected against Staphylococcus aureus in almost all DOM samples, with freshwater DOM showing the lowest IC50 values. Most samples also inhibited Staphylococcus epidermidis, and four DOM extracts showed up to fourfold higher potency than the reference drug. Antifungal activity was limited to only porewater DOM towards human dermatophyte Trichophyton rubrum. No significant in vitro anticancer activity was observed. Low antioxidant potential was exerted. The molecular characterization by FT-ICR MS allowed a broad compositional overview. Three main distinguished groups have been identified by PCoA analyses. Antibacterial activities are related to high aromaticity content and highly-unsaturated molecular formulae (O-poor). Antifungal effect is correlated with highly-unsaturated molecular formulae (O-rich). Antioxidant activity is positively related to the presence of double bonds and polyphenols. This study evidenced for the first time antibacterial and antifungal activity in DOM with potential applications in cosmeceutical, pharmaceutical and aquaculture industry. The lack of cytotoxicity and the almost unlimited presence of this organic material may open new avenues in future marine bioprospecting efforts.
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Affiliation(s)
- Teresa S Catalá
- Global Society Institute, Wälderhaus, Hamburg, Germany.
- Organization for Science, Education and Global Society gGmbH, Stuttgart, Germany.
- ICBM-MPI Bridging Group for Marine Geochemistry, Institute for Chemistry and Biology of the Marine Environment (ICBM), University of Oldenburg, Oldenburg, Germany.
| | - Linn G Speidel
- ICBM-MPI Bridging Group for Marine Geochemistry, Institute for Chemistry and Biology of the Marine Environment (ICBM), University of Oldenburg, Oldenburg, Germany
- Geological Institute, Department of Earth Sciences, ETH Zurich, 8092, Zurich, Switzerland
| | - Arlette Wenzel-Storjohann
- GEOMAR Centre for Marine Biotechnology, Research Unit Marine Natural Products Chemistry, GEOMAR Helmholtz Centre for Ocean Research Kiel, Am Kiel-Kanal 44, 24106, Kiel, Germany
| | - Thorsten Dittmar
- ICBM-MPI Bridging Group for Marine Geochemistry, Institute for Chemistry and Biology of the Marine Environment (ICBM), University of Oldenburg, Oldenburg, Germany
- Helmholtz Institute for Functional Marine Biodiversity, University of Oldenburg, Oldenburg, Germany
| | - Deniz Tasdemir
- GEOMAR Centre for Marine Biotechnology, Research Unit Marine Natural Products Chemistry, GEOMAR Helmholtz Centre for Ocean Research Kiel, Am Kiel-Kanal 44, 24106, Kiel, Germany
- Kiel University, Christian-Albrechts-Platz 4, 24118, Kiel, Germany
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Myden A, Stalford SA, Fowkes A, White E, Hirose A, Yamada T. Enhancing developmental and reproductive toxicity knowledge: A new AOP stemming from glutathione depletion. Curr Res Toxicol 2023; 5:100124. [PMID: 37808440 PMCID: PMC10556594 DOI: 10.1016/j.crtox.2023.100124] [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: 06/26/2023] [Revised: 08/14/2023] [Accepted: 09/13/2023] [Indexed: 10/10/2023] Open
Abstract
Integrated approaches to testing and assessments (IATAs) have been proposed as a method to organise new approach methodologies in order to replace traditional animal testing for chemical safety assessments. To capture the mechanistic aspects of toxicity assessments, IATAs can be framed around the adverse outcome pathway (AOP) concept. To utilise AOPs fully in this context, a sufficient number of pathways need to be present to develop fit for purpose IATAs. In silico approaches can support IATA through the provision of predictive models and also through data integration to derive conclusions using a weight-of-evidence approach. To examine the maturity of a developmental and reproductive toxicity (DART) AOP network derived from the literature, an assessment of its coverage was performed against a novel toxicity dataset. A dataset of diverse compounds, with data from studies performed according to OECD test guidelines TG-421 and TG-422, was curated to test the performance of an in silico model based on the AOP network - allowing for the identification of knowledge gaps within the network. One such gap in the knowledge was filled through the development of an AOP stemming from the molecular initiating event 'glutathione reaction with an electrophile' leading to male fertility toxicity. The creation of the AOP provided the mechanistic rationale for the curation of pre-existing structural alerts to relevant key events. Integrating this new knowledge and associated alerts into the DART AOP network will improve its coverage of DART-relevant chemical space. In addition, broadening the coverage of AOPs for a particular regulatory endpoint may facilitate the development of, and confidence in, robust IATAs.
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Affiliation(s)
- Alun Myden
- Lhasa Limited, Granary Wharf House, 2 Canal Wharf, Leeds LS11 5PS, United Kingdom
| | - Susanne A. Stalford
- Lhasa Limited, Granary Wharf House, 2 Canal Wharf, Leeds LS11 5PS, United Kingdom
| | - Adrian Fowkes
- Lhasa Limited, Granary Wharf House, 2 Canal Wharf, Leeds LS11 5PS, United Kingdom
| | - Emma White
- Lhasa Limited, Granary Wharf House, 2 Canal Wharf, Leeds LS11 5PS, United Kingdom
| | - Akihiko Hirose
- Division of Risk Assessment, Center for Biological Safety and Research, National Institute of Health Sciences, 3-25-26 Tonomachi, Kawasaki-ku, Kawasaki 210-9501, Japan
| | - Takashi Yamada
- Division of Risk Assessment, Center for Biological Safety and Research, National Institute of Health Sciences, 3-25-26 Tonomachi, Kawasaki-ku, Kawasaki 210-9501, Japan
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Safinaz D, Widyandari P, Meidyawati R, Kusumasari C, Nyoman Putri Artiningsih DA. Effect of green tea extract antioxidant on dentin shear bond strength and resin-tag penetration depth after non-vital bleaching. F1000Res 2023; 12:660. [PMID: 39140086 PMCID: PMC11319902 DOI: 10.12688/f1000research.133313.2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 09/05/2023] [Indexed: 08/15/2024] Open
Abstract
Background: 35% Hydrogen peroxide (H 2O 2) as an active material for internal bleaching can produce free radicals that can affect resin tag penetration into the dentinal tubules. Application of 10% and 35% green tea (GT) extract as an antioxidant after 2 minutes are expected to remove free radical residues and increase dentin shear bond strength and resin tags penetration depth after non-vital bleaching. Methods: 30 extracted healthy human premolars were cut horizontally 2 mm from the Cemento Enamel Junction margin to the crown part, then cut in a mesio-distal direction into two parts. The specimens were divided into five groups: normal dentin, post bleaching dentin, delayed 2 weeks, 10% GT, and 35% GT group. Non-vital walking bleach with 35% H 2O 2 gel was done to all groups except control group. Soon after, 10% and 35% GT extract gel were applied on dentin for 2 minutes, then the specimens were rinsed-off with aquabidest for 2 minutes and dried. All specimens were etched and bonded with an etch-and-rinse adhesive system and filled with resin composite. The shear bond strength assessment was carried out using a Universal Testing Machine (UTM) with a cross-head speed of 0.5 mm/minute. Confocal laser scanning microscopy (CLSM) with a wavelength of 560 nm and a lens magnification of 40x was used to analyze the resin tag penetration. Data were analyzed by one way ANOVA and t-test. Results: There was a significant difference in resin tag penetration depth and shear bond strength between applying 10% and 35% GT extract (p < 0.05). The 35% GT extract group resulted in a significantly longer resin tag penetration than the 10% GT extract group. Conclusions: The application of 35% GT extract is more effective than 10% GT extract as an antioxidant for increasing the shear bond strength of composite resin after internal bleaching.
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Affiliation(s)
- Darin Safinaz
- Department of Conservative Dentistry, Faculty of Dentistry, University of Indonesia, Depok, West Java, 16424, Indonesia
| | - Paramita Widyandari
- Department of Conservative Dentistry, Faculty of Dentistry, University of Indonesia, Depok, West Java, 16424, Indonesia
| | - Ratna Meidyawati
- Department of Conservative Dentistry, Faculty of Dentistry, University of Indonesia, Depok, West Java, 16424, Indonesia
| | - Citra Kusumasari
- Department of Conservative Dentistry, Faculty of Dentistry, University of Indonesia, Depok, West Java, 16424, Indonesia
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78
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He JD, Parker JD. The effect of vitamin C on nitroglycerin-mediated vasodilation in individuals with and without the aldehyde dehydrogenase 2 polymorphism. Br J Clin Pharmacol 2023; 89:2767-2774. [PMID: 37101414 DOI: 10.1111/bcp.15755] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Revised: 04/10/2023] [Accepted: 04/12/2023] [Indexed: 04/28/2023] Open
Abstract
AIMS To mediate its pharmacodynamic effects, glyceryl trinitrate (GTN) requires bioactivation, by which it releases nitric oxide or a nitric oxide moiety. The exact mechanism of GTN bioactivation remains uncertain. Mitochondrial aldehyde dehydrogenase (ALDH-2) has been proposed as the primary enzyme responsible for this bioactivation process. Evidence for the importance of ALDH-2 in GTN bioactivation has been inconsistent, particularly in human models. An alternative hypothesis suggests that decreased ALDH-2 activity leads to accumulation of reactive cytotoxic aldehydes, which either inhibit the vasoactive product(s) of GTN or impair other enzymatic pathways involved in the bioactivation of GTN. We investigated the effect of supplemental vitamin C on vascular responses to GTN in healthy volunteers of East Asian descent, of whom 12 with and 12 without the ALDH-2 polymorphism participated. METHODS Subjects underwent 2 sequential brachial artery infusions of GTN at rates of 5, 11 and 22 nmol/min, separated by a 30-min washout period. The GTN infusions were carried out in the presence and absence of vitamin C using a randomized, crossover design. Venous occlusion plethysmography was used to measure forearm blood flow responses to GTN. RESULTS Compared to subjects with functional ALDH-2, the variant group exhibited blunted hemodynamic responses to intra-arterial GTN infusions, although this reduction in response was not statically significant. Contrary to our hypothesis, vitamin C had an inhibitory effect on GTN mediated vasodilation as compared to GTN during saline in both groups. CONCLUSION We conclude that vitamin C did not augment the acute vascular response to GTN in those with the ALDH-2 polymorphism.
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Affiliation(s)
- Jerry D He
- Department of Pharmacology and Toxicology, University of Toronto, Toronto, Canada
| | - John D Parker
- Department of Pharmacology and Toxicology, University of Toronto, Toronto, Canada
- Division of Cardiology, Department of Medicine, Sinai Health System and the Peter Munk Cardiac Centre, University Health Network, Toronto, Canada
- The Lunenfeld-Tanenbaum Research Institute, Sinai Health System, Toronto, Canada
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Baiseitova A, Shah AB, Khan AM, Idrees M, Kim JH, Lee YH, Kong IK, Park KH. Antioxidant potentials of furanodihydrobenzoxanthones from Artocarpus elasticus and their protection against oxLDL induced injury in SH-SY5Y cells. Biomed Pharmacother 2023; 165:115278. [PMID: 37536031 DOI: 10.1016/j.biopha.2023.115278] [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: 06/12/2023] [Revised: 07/24/2023] [Accepted: 07/31/2023] [Indexed: 08/05/2023] Open
Abstract
Exposure to reactive oxygen species (ROS) leads to the oxidation of low-density lipoproteins (LDL), converting them into oxidized ones (oxLDL), which are involved in the pathogenesis of Alzheimer's disease, suggesting a potential link between lipid dysregulation and neurodegenerative processes. Phenolic metabolites derived from Artocarpus elasticus root bark were found to possess significant antioxidant properties at three different radical scavenging assays, including 2,2-diphenyl-1-picrylhydrazyl (DPPH), oxygen radical absorbance capacity (ORAC), and thiobarbituric acid reactive substances (TBARS). Among them, furanodihydrobenzoxanthones (1-3) demonstrated notable protection against Cu2+ induced LDL oxidation, with IC50 values ranging from 0.9 to 2.9 μM in measurement of the malondialdehyde (MDA) production at TBARS and prolonged lag times (>180 min) in the generation of conjugated diene (CD). At a concentration of 10 μM, all three compounds (1-3) effectively protected against LDL oxidation as determined by relative electrophoretic mobility (REM). The most potent compound 1 defended human neuroblastoma SH-SY5Y cells from oxLDL-mediated dysfunction, including oxLDL-induced cytotoxicity, inhibited reactive oxygen species (ROS) formation, and enhancing mitochondrial membrane potential (ΔΨm). Individual components annotation in the ethylacetate extract was performed using LC-ESI-QTOF/MS, which serves as a chemotaxonomic marker for A. elasticus root barks.
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Affiliation(s)
- Aizhamal Baiseitova
- Division of Applied Life Science (BK21 Four), IALS, Gyeongsang National University, Jinju 52828, Republic of Korea
| | - Abdul Bari Shah
- Division of Applied Life Science (BK21 Four), IALS, Gyeongsang National University, Jinju 52828, Republic of Korea
| | - Abdul Majid Khan
- Division of Applied Life Science (BK21 Four), IALS, Gyeongsang National University, Jinju 52828, Republic of Korea
| | - Muhammad Idrees
- Division of Applied Life Science (BK21 Four), IALS, Gyeongsang National University, Jinju 52828, Republic of Korea
| | - Jeong Ho Kim
- Division of Applied Life Science (BK21 Four), IALS, Gyeongsang National University, Jinju 52828, Republic of Korea
| | - Yong Hyun Lee
- Division of Applied Life Science (BK21 Four), IALS, Gyeongsang National University, Jinju 52828, Republic of Korea
| | - Il-Keun Kong
- Division of Applied Life Science (BK21 Four), IALS, Gyeongsang National University, Jinju 52828, Republic of Korea
| | - Ki Hun Park
- Division of Applied Life Science (BK21 Four), IALS, Gyeongsang National University, Jinju 52828, Republic of Korea.
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Kumar A, Sharma B, Sharma U, Parashar G, Parashar NC, Rani I, Ramniwas S, Kaur S, Haque S, Tuli HS. Apoptotic and antimetastatic effect of cucurbitacins in cancer: recent trends and advancement. NAUNYN-SCHMIEDEBERG'S ARCHIVES OF PHARMACOLOGY 2023; 396:1867-1878. [PMID: 37010571 DOI: 10.1007/s00210-023-02471-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/22/2023] [Accepted: 03/21/2023] [Indexed: 04/04/2023]
Abstract
The Cucurbitaceae family produces a class of secondary metabolites known as cucurbitacins. The eight cucurbitacin subunits are cucurbitacin B, D, E, I, IIa, L glucoside, Q, and R with the most significant anticancer activity. They are reported to inhibit cell proliferation, invasion, and migration; induce apoptosis; and encourage cell cycle arrest, as some of their modes of action. The JAK-STAT3, Wnt, PI3K/Akt, and MAPK signaling pathways, which are essential for the survival and apoptosis of cancer cells, have also been shown to be suppressed by cucurbitacins. The goal of the current study is to summarize potential molecular targets that cucurbitacins could inhibit in order to suppress various malignant processes. The review is noteworthy since it presents all putative molecular targets for cucurbitacins in cancer on a single podium.
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Affiliation(s)
- Ajay Kumar
- Punjab Biotechnology Incubator (PBTI), Phase VIII, Mohali, 160071, India
| | - Bunty Sharma
- Department of Biotechnology, Maharishi Markandeshwar Engineering College, Maharishi Markandeshwar (Deemed to be University), Mullana, Ambala, 133207, India
| | - Ujjawal Sharma
- Department of Human Genetics and Molecular Medicine, School of Health Sciences, Central University of Punjab, Bathinda, Punjab, 151401, India
| | - Gaurav Parashar
- Division of Biomedical and Life Sciences, School of Science, Navrachana University Vadodara, Gujrat, 391410, India
| | - Nidarshana Chaturvedi Parashar
- Department of Biotechnology, Maharishi Markandeshwar Engineering College, Maharishi Markandeshwar (Deemed to be University), Mullana, Ambala, 133207, India
| | - Isha Rani
- Department of Biochemistry, maharishi markendashwar college of medical sciences and Research (MMCMSR), Sadopur, Ambala, 134007, India
| | - Seema Ramniwas
- University Centre for Research and Development, University Institute of Pharmaceutical Sciences, Chandigarh University, Gharuan, Mohali, 140413, India
| | - Satwinderjeet Kaur
- Department of Botanical and Environmental Sciences, Guru Nanak Dev University, Amritsar, 143005, India
| | - Shafiul Haque
- Research and Scientific Studies Unit, College of Nursing and Allied Health Sciences, Jazan University, Jazan, 45142, Saudi Arabia
- Gilbert and Rose-Marie Chagoury School of Medicine, Lebanese American University, Beirut, Lebanon
- Centre of Medical and Bio-Allied Health Sciences Research, Ajman University, Ajman, United Arab Emirates
| | - Hardeep Singh Tuli
- Department of Biotechnology, Maharishi Markandeshwar Engineering College, Maharishi Markandeshwar (Deemed to be University), Mullana, Ambala, 133207, India.
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Biswas S, Chowdhury T, Dutta K, Saha S, Das D. Biochemical Resistivity against Free Radicals and Microbes: Cooperative Action of Zn(II)/Imidazole in Phosphoesterase-Mediated Cell Death. ACS APPLIED BIO MATERIALS 2023; 6:3278-3290. [PMID: 37565455 DOI: 10.1021/acsabm.3c00365] [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] [Indexed: 08/12/2023]
Abstract
This work delivers a targeted synthesis of four isostructural O-substituted imidazole-based zinc(II) complexes, namely, [Zn2(L1)2(I)2](DMF) (1), [Zn2(L2)2(I)2](DMF) (2), [Zn2(L1)2(Br)2] (3), and [Zn2(L2)2(Br)2] (4), derived from homologous Schiff-base ligands HL1 and HL2 to explore their impact on free radicals, microbes, and dephosphorylation of phosphoesters. The antioxidant activity of all complexes was checked by various radical scavenging assays (ABTS+•, DPPH•, and H2O2 radical quenching). Among them, complex 2 showed superior radical quenching activity, as indicated by its lowest EC50 value and thus maximum antioxidative capability. Again, antibacterial assays against several Gram-positive and Gram-negative bacteria were conducted to evaluate the zone of inhibition. The minimum bactericidal concentration and minimum inhibitory concentration values from the microdilution method for all complexes revealed complex 3 to have maximum potency against Gram-positive bacteria. The P-O bond hydrolysis in the phospholipid chain caused by the hydrolytic phosphoesterase activity of the Zn(II)-complexes plays a crucial role in cell membrane rupture. A model substrate 4-PNPP was used to explain the potency of monomeric Zn(II) complex (3) for cell penetration over dimeric one (2) with a proper mechanism. Furthermore, a heme model substrate, Fe(TPP)Cl, has been introduced with the most potent complex 3 and has spectrophotometric evidence for covalent interaction with imidazole and Fe(III) that can disrupt the nitric oxide dioxygenase function of flavohemoglobin, leading to bacterial cell death. To our knowledge, this is the first case to report a novel mechanism of antimicrobial action where both the metal and the ligand are cooperatively involved in bacterial cell death. The main goal of this work is to invent multifunctional therapeutics as well as the proper chemical rationalization of biological processes using mechanistic approaches, which includes investigating the roles of halides, imidazoles, and solution-phase structural variations of complexes..
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Affiliation(s)
- Sneha Biswas
- Department of Chemistry, University College of Science, University of Calcutta, 92 A. P. C. Road, Kolkata 700009, India
| | - Tania Chowdhury
- Department of Chemistry, University College of Science, University of Calcutta, 92 A. P. C. Road, Kolkata 700009, India
| | - Koushik Dutta
- Department of Polymer Science & Technology, University of Calcutta, 92, A.P.C. Road, Kolkata- 700009 West Bengal, India
| | - Sayan Saha
- School of Chemical Sciences, Indian Association for the Cultivation of Science, 2A & 2B, Raja S. C. Mullick Road, Jadavpur, Kolkata 700032, India
| | - Debasis Das
- Department of Chemistry, University College of Science, University of Calcutta, 92 A. P. C. Road, Kolkata 700009, India
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Abdel-Wahhab KG, Ashry M, Hassan LK, Gadelmawla MHA, Elqattan GM, El-Fakharany EM, Mannaaa FA. Nano-chitosan/bovine lactoperoxidase and lactoferrin formulation modulates the hepatic deterioration induced by 7,12-dimethylbenz[a]anthracene. COMPARATIVE CLINICAL PATHOLOGY 2023. [DOI: 10.1007/s00580-023-03510-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Accepted: 07/31/2023] [Indexed: 11/09/2023]
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83
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Freire MAM, Rocha GS, Bittencourt LO, Falcao D, Lima RR, Cavalcanti JRLP. Cellular and Molecular Pathophysiology of Traumatic Brain Injury: What Have We Learned So Far? BIOLOGY 2023; 12:1139. [PMID: 37627023 PMCID: PMC10452099 DOI: 10.3390/biology12081139] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Revised: 08/07/2023] [Accepted: 08/10/2023] [Indexed: 08/27/2023]
Abstract
Traumatic brain injury (TBI) is one of the leading causes of long-lasting morbidity and mortality worldwide, being a devastating condition related to the impairment of the nervous system after an external traumatic event resulting in transitory or permanent functional disability, with a significant burden to the healthcare system. Harmful events underlying TBI can be classified into two sequential stages, primary and secondary, which are both associated with breakdown of the tissue homeostasis due to impairment of the blood-brain barrier, osmotic imbalance, inflammatory processes, oxidative stress, excitotoxicity, and apoptotic cell death, ultimately resulting in a loss of tissue functionality. The present study provides an updated review concerning the roles of brain edema, inflammation, excitotoxicity, and oxidative stress on brain changes resulting from a TBI. The proper characterization of the phenomena resulting from TBI can contribute to the improvement of care, rehabilitation and quality of life of the affected people.
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Affiliation(s)
- Marco Aurelio M. Freire
- Graduate Program in Physiological Sciences, University of the State of Rio Grande do Norte, Mossoró 59607-360, RN, Brazil
| | - Gabriel Sousa Rocha
- Graduate Program in Biochemistry and Molecular Biology, University of the State of Rio Grande do Norte, Mossoró 59607-360, RN, Brazil
| | - Leonardo Oliveira Bittencourt
- Laboratory of Functional and Structural Biology, Institute of Biological Sciences, Federal University of Pará, Belém 66075-900, PA, Brazil
| | - Daniel Falcao
- VCU Health Systems, Virginia Commonwealth University, 23219 Richmond, VA, USA
| | - Rafael Rodrigues Lima
- Laboratory of Functional and Structural Biology, Institute of Biological Sciences, Federal University of Pará, Belém 66075-900, PA, Brazil
| | - Jose Rodolfo Lopes P. Cavalcanti
- Graduate Program in Physiological Sciences, University of the State of Rio Grande do Norte, Mossoró 59607-360, RN, Brazil
- Graduate Program in Biochemistry and Molecular Biology, University of the State of Rio Grande do Norte, Mossoró 59607-360, RN, Brazil
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84
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Fernandes PAR, Coimbra MA. The antioxidant activity of polysaccharides: A structure-function relationship overview. Carbohydr Polym 2023; 314:120965. [PMID: 37173007 DOI: 10.1016/j.carbpol.2023.120965] [Citation(s) in RCA: 65] [Impact Index Per Article: 65.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2023] [Revised: 04/24/2023] [Accepted: 04/25/2023] [Indexed: 05/15/2023]
Abstract
Over the last years, polysaccharides have been linked to antioxidant effects using both in vitro chemical and biological models. The reported structures, claimed to act as antioxidants, comprise chitosan, pectic polysaccharides, glucans, mannoproteins, alginates, fucoidans, and many others of all type of biological sources. The structural features linked to the antioxidant action include the polysaccharide charge, molecular weight, and the occurrence of non-carbohydrate substituents. The establishment of structure/function relationships can be, however, biased by secondary phenomena that tailor polysaccharides behavior in antioxidant systems. In this sense, this review confronts some basic concepts of polysaccharides chemistry with the current claim of carbohydrates as antioxidants. It critically discusses how the fine structure and properties of polysaccharides can define polysaccharides as antioxidants. Polysaccharides antioxidant action is highly dependent on their solubility, sugar ring structure, molecular weight, occurrence of positive or negatively charged groups, protein moieties and covalently linked phenolic compounds. However, the occurrence of phenolic compounds and protein as contaminants leads to misleading results in methodologies often used for screening and characterization purposes, as well as in vivo models. Despite falling in the concept of antioxidants, the role of polysaccharides must be well defined according with the matrices where they are involved.
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Affiliation(s)
- Pedro A R Fernandes
- LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal.
| | - Manuel A Coimbra
- LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal
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Ahuja S, Bains O, Mittal M, Kamal R, Aggarwal NK, Arora S. Multifunctional chromone-incorporated poly(hydroxybutyrate) luminescent film for active and intelligent food packaging. Int J Biol Macromol 2023; 246:125625. [PMID: 37392906 DOI: 10.1016/j.ijbiomac.2023.125625] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Revised: 06/14/2023] [Accepted: 06/28/2023] [Indexed: 07/03/2023]
Abstract
The major objective of present work was to fabricate poly(hydroxybutyrate) based luminescent films for genuine food packaging applications. These films were synthesized by incorporating varying Chromone (CH) concentrations (5, 10, 15, 20, and 25 wt%) into poly(hydroxybutyrate) (PHB) matrix through solvent-casting. Different characteristics of prepared films were examined using Fourier transform infrared spectroscopy (FTIR), Scanning electron microscopy (SEM), Thermogravimetric analysis (TGA), Mechanical testing, and Time-resolved photoluminescence (TRPL). UV-blocking properties and water vapor permeation were also examined. FTIR spectra indicated the occurrence of hydrogen bonding between PHB and CH. Among all prepared film samples, PHB/CH15 showed maximum tensile strength (22.5 MPa) with enhanced barrier ability against water vapor and UV rays, thermal stability, and luminescent performance. After overall analysis, PHB/CH15 film was selected to investigate its X-ray diffraction, release behavior, DPPH scavenging, and antimicrobial potential. Release kinetics revealed that the cumulative release percentage of CH was higher in fatty acid stimulant. Moreover, results suggested that this film demonstrated antioxidant activity (>55 %) and superior antimicrobial potential against Aspergillus niger, Staphylococcus aureus, and Escherichia coli. Furthermore, packaging of bread samples using PHB/CH15 film demonstrated the complete inhibition of microbial growth in bread up to 10 days of storage and ensure the safety of genuine food products.
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Affiliation(s)
- Simran Ahuja
- Department of Chemistry, Kurukshetra University, Kurukshetra 136119, India.
| | - Omkar Bains
- Department of Chemistry, Kurukshetra University, Kurukshetra 136119, India
| | - Mahak Mittal
- Department of Microbiology, Kurukshetra University, Kurukshetra 136119, India
| | - Raj Kamal
- Department of Chemistry, Kurukshetra University, Kurukshetra 136119, India
| | - Neeraj K Aggarwal
- Department of Microbiology, Kurukshetra University, Kurukshetra 136119, India.
| | - Sanjiv Arora
- Department of Chemistry, Kurukshetra University, Kurukshetra 136119, India.
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Eslami O, Nakhaie M, Rezaei Zadeh Rukerd M, Azimi M, Shahabi E, Honarmand A, Khazaneha M. Global Trend on Machine Learning in Helicobacter within One Decade: A Scientometric Study. Glob Health Epidemiol Genom 2023; 2023:8856736. [PMID: 37600599 PMCID: PMC10439832 DOI: 10.1155/2023/8856736] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 04/29/2023] [Accepted: 08/06/2023] [Indexed: 08/22/2023] Open
Abstract
Purpose This study aims to create a science map, provide structural analysis, investigate evolution, and identify new trends in Helicobacter pylori (H. pylori) research articles. Methods All Helicobacter publications were gathered from the Web of Science (WoS) database from August 2010 to 2021. The data were required for bibliometric analysis. The bibliometric analysis was performed with Bibliometrix R Tool. Bibliometric data were analyzed using the Bibliometrix Biblioshiny R-package software. Results A total of 17,413 articles were reviewed and analyzed, with descriptive characteristics of the H. pylori literature included. In journals, 21,102 keywords plus and 20,490 author keywords were reported. These articles were also written by 56,106 different authors, with 262 being single-author articles. Most authors' abstracts, titles, and keywords included "Helicobacter-pylori." Since 2010, the total number of H. pylori-related publications has been decreasing. Gut, PLOS ONE, and Gastroenterology are the most influential H. pylori journals, according to source impact. China, the United States, and Japan are the countries with most affiliations and subjects. In addition, Seoul National University has published the most articles about H. pylori. According to the cloud word plot, the authors' most frequently used keywords are gastric cancer (GC), H. pylori, gastritis, eradication, and inflammation. "Helicobacter pylori" and "infection" have the steepest slopes in terms of the upward trend of words used in articles from 2010 to 2021. Subjects such as GC, intestinal metaplasia, epidemiology, peptic ulcer, eradication, and clarithromycin are included in the diagram's motor theme section, according to strategic diagrams. According to the thematic evolution map, topics such as Helicobacter pylori infection, B-cell lymphoma, CagA, Helicobacter pylori, and infection were largely discussed between 2010 and 2015. From 2016 to 2021, the top topics covered included Helicobacter pylori, H. pylori infection, and infection.
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Affiliation(s)
- Omid Eslami
- Gastroenterology and Hepatology Research Center, Institute of Basic and Clinical Physiology Sciences, Kerman University of Medical Sciences, Kerman, Iran
- Clinical Research Development Unit, Afzalipour Hospital, Kerman University of Medical Sciences, Kerman, Iran
| | - Mohsen Nakhaie
- Gastroenterology and Hepatology Research Center, Institute of Basic and Clinical Physiology Sciences, Kerman University of Medical Sciences, Kerman, Iran
| | - Mohammad Rezaei Zadeh Rukerd
- Gastroenterology and Hepatology Research Center, Institute of Basic and Clinical Physiology Sciences, Kerman University of Medical Sciences, Kerman, Iran
| | - Maryam Azimi
- Gastroenterology and Hepatology Research Center, Institute of Basic and Clinical Physiology Sciences, Kerman University of Medical Sciences, Kerman, Iran
- Department of Traditional Medicine, School of Persian Medicine, Kerman University of Medical Sciences, Kerman, Iran
| | - Ellahe Shahabi
- Faculty of Management and Economics, Shahid Bahonar University, Kerman, Iran
| | - Amin Honarmand
- Department of Emergency Medicine, Afzalipour Hospital, Kerman University of Medical Sciences, Kerman, Iran
| | - Mahdiyeh Khazaneha
- Neurology Research Center, Kerman University of Medical Sciences, Kerman, Iran
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87
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Sun R, Qu Z, Ji C, Yang X, Zhang Y, Zou X. Optimum Reaction Conditions for the Synthesis of Selenized Ornithogalum caudatum Ait. (Liliaceae) Polysaccharides and Measurement of Their Antioxidant Activity In Vivo. Molecules 2023; 28:5929. [PMID: 37570899 PMCID: PMC10420663 DOI: 10.3390/molecules28155929] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Revised: 07/31/2023] [Accepted: 08/04/2023] [Indexed: 08/13/2023] Open
Abstract
This study determined the optimum reaction conditions for synthesizing selenium-containing polysaccharides. Polysaccharide IIA (with the highest yield) from Ornithogalum caudatum Ait. (Liliaceae) (OCAPIIA) was extracted and purified. Then, three parameters were selected to optimize the synthesis of selenized OCAPIIA (Se-OCAPIIA) using the Box-Behnken design (BBD) and response surface methodology (RSM). The morphology of Se-OCAPIIA was analyzed by scanning electron microscopy (SEM). The characteristic peaks and the monosaccharide composition of Se-OCAPIIA were evaluated by Fourier-transform infrared spectroscopy and gas chromatography. A D-galactose-induced aging mouse model was established, and the in vivo antioxidant activity of Se-OCAPIIA was measured. The optimal conditions for the synthesis of Se-OCAPIIA were as follows: reaction temperature, 72.38 °C; Na2SeO3 to OCAPIIA mass ratio, 0.93 g/g; and reaction time, 8.05 h. The selenium content of Se-OCAPIIA obtained using the optimized process was 3.131 ± 0.090 mg/g, close to the maximum predicted value (3.152 mg/g). Se-OCAPIIA contained D-mannose, D-glucose, and D-galactose at a molar ratio of 1.00:0.34:0.88. SEM showed that Se-OCAPIIA was spherical and flocculated. Compared with OCAPIIA, Se-OCAPIIA exhibited two characteristic peaks at 833 and 610 cm-1 in the infrared spectrum. Se-OCAPIIA increased catalase, glutathione peroxidase, and superoxide dismutase activities and decreased MDA concentrations in the mouse liver. Moreover, Se-OCAPIIA treatment improved liver morphology, decreased the levels of IL-1β and IL-6, and increased IL-10 concentration. In conclusion, the synthesis of Se-OCAPIIA is effective, simple, and feasible. Se-OCAPIIA demonstrated high antioxidant activity in vivo and is a promising antioxidant and therapeutic agent.
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Affiliation(s)
- Renshuang Sun
- Medical College, Tonghua Normal University, Tonghua 134001, China;
| | - Zhongyuan Qu
- School of Pharmacy, Harbin University of Commerce, Harbin 150076, China; (C.J.); (X.Y.); (Y.Z.)
| | - Chenfeng Ji
- School of Pharmacy, Harbin University of Commerce, Harbin 150076, China; (C.J.); (X.Y.); (Y.Z.)
| | - Xiaolong Yang
- School of Pharmacy, Harbin University of Commerce, Harbin 150076, China; (C.J.); (X.Y.); (Y.Z.)
| | - Yiqiao Zhang
- School of Pharmacy, Harbin University of Commerce, Harbin 150076, China; (C.J.); (X.Y.); (Y.Z.)
| | - Xiang Zou
- School of Pharmacy, Harbin University of Commerce, Harbin 150076, China; (C.J.); (X.Y.); (Y.Z.)
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88
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Ambwani S, Dolma R, Sharma R, Kaur A, Singh H, Ruj A, Ambwani TK. Modulation of inflammatory and oxidative stress biomarkers due to dexamethasone exposure in chicken splenocytes. Vet Immunol Immunopathol 2023; 262:110632. [PMID: 37517103 DOI: 10.1016/j.vetimm.2023.110632] [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: 05/26/2023] [Revised: 07/10/2023] [Accepted: 07/24/2023] [Indexed: 08/01/2023]
Abstract
Dexamethasone (DEXA) is a potent corticosteroid, commonly used for treating inflammatory, hypersensitive and allergic conditions. It is administered to birds with tumours. Many studies were conducted on its immunosuppressive effects; however none of the similar study is available employing chicken splenocytes culture system. The present study was conducted to assess DEXA induced alterations in inflammatory and oxidative stress biomarkers in chicken splenocytes due to its in vitro exposure. The maximum non-cytotoxic dose (MNCD) was evaluated and was further used for conducting lymphocytes proliferation assay (LPA), antioxidant assays (lipid peroxidation, GSH, superoxide dismutase and nitric oxide assays) and assessment of mRNA levels of various genes (IL-1β, IL-6, IL-10, LITAF, iNOS, NF-κB1, Nrf-2, Caspase-3 and -9) through qPCR. The MNCD was determined to be 30 ng/ml in chicken splenocytes culture system. DEXA caused reduction in B and T lymphocytes proliferation indicating its immunosuppressive effects, however improved the antioxidant status of the exposed splenocytes. The expression levels of IL-1β, IL-6, iNOS, LITAF and NF-κB1 were significantly reduced while IL-10 was enhanced, which signify potent anti-inflammatory potential of DEXA. NF-κB is a major transcription factor that regulates genes responsible for both, innate and adaptive immune responses and elicits inflammation. The nuclear factor erythroid 2-related factor 2 (Nrf-2) level was found to be up-regulated. Nrf-2 plays important role in combating the oxidant stress and its increased expression could be the reason of improved antioxidant status of DEXA exposed cells. Present findings indicated that DEXA exhibited modulation in anti-inflammatory, immunomodulatory and antioxidant mediators in chicken splenocytes.
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Affiliation(s)
- Sonu Ambwani
- Department of Molecular Biology and Genetic Engineering, C.B.S.H., Govind Ballabh Pant University of Agriculture & Technology, Pantnagar 263145, Uttarakhand, India.
| | - Rigzin Dolma
- Department of Molecular Biology and Genetic Engineering, C.B.S.H., Govind Ballabh Pant University of Agriculture & Technology, Pantnagar 263145, Uttarakhand, India
| | - Raunak Sharma
- Department of Molecular Biology and Genetic Engineering, C.B.S.H., Govind Ballabh Pant University of Agriculture & Technology, Pantnagar 263145, Uttarakhand, India
| | - Amandip Kaur
- Department of Molecular Biology and Genetic Engineering, C.B.S.H., Govind Ballabh Pant University of Agriculture & Technology, Pantnagar 263145, Uttarakhand, India
| | - Himani Singh
- Department of Molecular Biology and Genetic Engineering, C.B.S.H., Govind Ballabh Pant University of Agriculture & Technology, Pantnagar 263145, Uttarakhand, India
| | - Anamitra Ruj
- Department of Molecular Biology and Genetic Engineering, C.B.S.H., Govind Ballabh Pant University of Agriculture & Technology, Pantnagar 263145, Uttarakhand, India
| | - Tanuj Kumar Ambwani
- Department of Veterinary Physiology and Biochemistry, C.V.A.S., Govind Ballabh Pant University of Agriculture & Technology, Pantnagar 263145, Uttarakhand, India
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Aldawsari MF, Alkholifi FK, Foudah AI, Alqarni MH, Alam A, Salkini MA, Sweilam SH. Gallic-Acid-Loaded PLGA Nanoparticles: A Promising Transdermal Drug Delivery System with Antioxidant and Antimicrobial Agents. Pharmaceuticals (Basel) 2023; 16:1090. [PMID: 37631005 PMCID: PMC10459217 DOI: 10.3390/ph16081090] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Revised: 07/14/2023] [Accepted: 07/28/2023] [Indexed: 08/27/2023] Open
Abstract
The objective of this study was to develop an innovative gallic-acid (GA) drug delivery system that could be administered transdermally, resulting in enhanced therapeutic benefits and minimal negative consequences. The method employed involved the preparation of poly(lactic-co-glycolic acid) (PLGA) nanoparticles loaded with GA through nanoprecipitation-denoted GA@PLGANPs. The results reveal that this strategy led to perfectly spherical, homogeneous, and negatively charged particles, which are suitable for administration via skin patches or ointments. A further analysis indicates that these GA@PLGANPs exhibit remarkable antioxidant activity as well as potent antibacterial effects against a diverse range of microorganisms, making them ideal candidates for numerous applications. Additionally, it has been observed that these nanoparticles can effectively mitigate oxidative stress while also significantly inhibiting microbial growth by exerting detrimental effects on bacterial cell walls or membranes. In conclusion, on the basis of the findings presented in this study, there is strong evidence supporting the potential use of GA@PLGANPs as an effective therapy option with reduced side effects compared to conventional drug delivery methods.
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Affiliation(s)
- Mohammed F. Aldawsari
- Department of Pharmaceutics, College of Pharmacy, Prince Sattam bin Abdulaziz University, Al Kharj 11942, Saudi Arabia;
| | - Faisal K. Alkholifi
- Department of Pharmacology & Toxicology, College of Pharmacy, Prince Sattam bin Abdulaziz University, Al Kharj 11942, Saudi Arabia;
| | - Ahmed I. Foudah
- Department of Pharmacognosy, College of Pharmacy, Prince Sattam bin Abdulaziz University, Al Kharj 11942, Saudi Arabia; (A.I.F.); (M.H.A.); (A.A.); (S.H.S.)
| | - Mohammed H. Alqarni
- Department of Pharmacognosy, College of Pharmacy, Prince Sattam bin Abdulaziz University, Al Kharj 11942, Saudi Arabia; (A.I.F.); (M.H.A.); (A.A.); (S.H.S.)
| | - Aftab Alam
- Department of Pharmacognosy, College of Pharmacy, Prince Sattam bin Abdulaziz University, Al Kharj 11942, Saudi Arabia; (A.I.F.); (M.H.A.); (A.A.); (S.H.S.)
| | - Mohamad Ayman Salkini
- Department of Pharmacognosy, College of Pharmacy, Prince Sattam bin Abdulaziz University, Al Kharj 11942, Saudi Arabia; (A.I.F.); (M.H.A.); (A.A.); (S.H.S.)
| | - Sherouk Hussein Sweilam
- Department of Pharmacognosy, College of Pharmacy, Prince Sattam bin Abdulaziz University, Al Kharj 11942, Saudi Arabia; (A.I.F.); (M.H.A.); (A.A.); (S.H.S.)
- Department of Pharmacognosy, Faculty of Pharmacy, Egyptian Russian University, Cairo-Suez Road, Badr City, Cairo-Suez Road, Cairo 11829, Egypt
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Davan I, Fakurazi S, Alias E, Ibrahim N'I, Hwei NM, Hassan H. Astaxanthin as a Potent Antioxidant for Promoting Bone Health: An Up-to-Date Review. Antioxidants (Basel) 2023; 12:1480. [PMID: 37508018 PMCID: PMC10376010 DOI: 10.3390/antiox12071480] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Revised: 07/20/2023] [Accepted: 07/21/2023] [Indexed: 07/30/2023] Open
Abstract
In recent years, bone loss and its associated diseases have become a significant public health concern due to increased disability, morbidity, and mortality. Oxidative stress and bone loss are correlated, where oxidative stress suppresses osteoblast activity, resulting in compromised homeostasis between bone formation and resorption. This event causes upregulation of bone remodeling turnover rate with an increased risk of fractures and bone loss. Therefore, supplementation of antioxidants can be proposed to reduce oxidative stress, facilitate the bone remodeling process, suppress the initiation of bone diseases, and improve bone health. Astaxanthin (3,3'-dihydroxy-4-4'-diketo-β-β carotene), a potent antioxidant belonging to the xanthophylls family, is a potential ROS scavenger and could be a promising therapeutic nutraceutical possessing various pharmacological properties. In bone, astaxanthin enhances osteoblast differentiation, osteocytes numbers, and/or differentiation, inhibits osteoclast differentiation, cartilage degradation markers, and increases bone mineral density, expression of osteogenic markers, while reducing bone loss. In this review, we presented the up-to-date findings of the potential anabolic effects of astaxanthin on bone health in vitro, animal, and human studies by providing comprehensive evidence for its future clinical application, especially in treating bone diseases.
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Affiliation(s)
- Iswari Davan
- Department of Human Anatomy, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia (UPM), Serdang 43400, Malaysia
| | - Sharida Fakurazi
- Department of Human Anatomy, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia (UPM), Serdang 43400, Malaysia
| | - Ekram Alias
- Department of Biochemistry, Faculty of Medicine, Universiti Kebangsaan Malaysia (UKM), Jalan Yaacob Latiff, Bandar Tun Razak, Kuala Lumpur 56000, Malaysia
| | - Nurul 'Izzah Ibrahim
- Department of Pharmacology, Faculty of Medicine, Universiti Kebangsaan Malaysia (UKM), Jalan Yaacob Latiff, Bandar Tun Razak, Kuala Lumpur 56000, Malaysia
| | - Ng Min Hwei
- Centre for Tissue Engineering and Regenerative Medicine, Universiti Kebangsaan Malaysia (UKM), Jalan Yaacob Latiff, Bandar Tun Razak, Kuala Lumpur 56000, Malaysia
| | - Haniza Hassan
- Department of Human Anatomy, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia (UPM), Serdang 43400, Malaysia
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Zeppilli D, Aldinio-Colbachini A, Ribaudo G, Tubaro C, Dalla Tiezza M, Bortoli M, Zagotto G, Orian L. Antioxidant Chimeric Molecules: Are Chemical Motifs Additive? The Case of a Selenium-Based Ligand. Int J Mol Sci 2023; 24:11797. [PMID: 37511560 PMCID: PMC10380222 DOI: 10.3390/ijms241411797] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2023] [Revised: 07/18/2023] [Accepted: 07/19/2023] [Indexed: 07/30/2023] Open
Abstract
We set up an in silico experiment and designed a chimeric compound integrating molecular features from different efficient ROS (Reactive Oxygen Species) scavengers, with the purpose of investigating potential relationships between molecular structure and antioxidant activity. Furthermore, a selenium centre was inserted due to its known capacity to reduce hydroperoxides, acting as a molecular mimic of glutathione peroxidase; finally, since this organoselenide is a precursor of a N-heterocyclic carbene ligand, its Au(I) carbene complex was designed and examined. A validated protocol based on DFT (Density Functional Theory) was employed to investigate the radical scavenging activity of available sites on the organoselenide precursor ((SMD)-M06-2X/6-311+G(d,p)//M06-2X/6-31G(d)), as well as on the organometallic complex ((SMD)-M06-2X/SDD (Au), 6-311+G(d,p)//ZORA-BLYP-D3(BJ)/TZ2P), considering HAT (Hydrogen Atom Transfer) and RAF (Radical Adduct Formation) regarding five different radicals. The results of this case study suggest that the antioxidant potential of chemical motifs should not be considered as an additive property when designing a chimeric compound, but rather that the relevance of a molecular topology is derived from a chemical motif combined with an opportune chemical space of the molecule. Thus, the direct contributions of single functional groups which are generally thought of as antioxidants per se do not guarantee the efficient radical scavenging potential of a molecular species.
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Affiliation(s)
- Davide Zeppilli
- Dipartimento di Scienze Chimiche, Università degli Studi di Padova, Via Marzolo 1, 35131 Padova, Italy
| | - Anna Aldinio-Colbachini
- CNRS, Aix Marseille Université, BIP, IMM, IM2B, 31 Chemin J. Aiguier, 13009 Marseille, France
| | - Giovanni Ribaudo
- Dipartimento di Medicina Molecolare e Traslazionale, Università degli Studi di Brescia, Viale Europa 11, 25123 Brescia, Italy
| | - Cristina Tubaro
- Dipartimento di Scienze Chimiche, Università degli Studi di Padova, Via Marzolo 1, 35131 Padova, Italy
| | - Marco Dalla Tiezza
- Dipartimento di Scienze Chimiche, Università degli Studi di Padova, Via Marzolo 1, 35131 Padova, Italy
| | - Marco Bortoli
- Hylleraas Centre for Quantum Molecular Sciences, Department of Chemistry, University of Oslo, 0315 Oslo, Norway
| | - Giuseppe Zagotto
- Dipartimento di Scienze del Farmaco, Università degli Studi di Padova, Via Marzolo 5, 35131 Padova, Italy
| | - Laura Orian
- Dipartimento di Scienze Chimiche, Università degli Studi di Padova, Via Marzolo 1, 35131 Padova, Italy
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92
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Zhao Q, Li Y, Wei W, Huang J, Lu D, Liu S, Shi X. A ratiometric fluorescence-based colorimetric sensor for the portable analysis of antioxidants via smartphone. Microchem J 2023. [DOI: 10.1016/j.microc.2023.108625] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/17/2023]
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93
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Merecz-Sadowska A, Sitarek P, Kowalczyk T, Zajdel K, Jęcek M, Nowak P, Zajdel R. Food Anthocyanins: Malvidin and Its Glycosides as Promising Antioxidant and Anti-Inflammatory Agents with Potential Health Benefits. Nutrients 2023; 15:3016. [PMID: 37447342 DOI: 10.3390/nu15133016] [Citation(s) in RCA: 17] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Revised: 06/23/2023] [Accepted: 06/28/2023] [Indexed: 07/15/2023] Open
Abstract
Anthocyanins are flavonoid compounds that are abundantly present in fruits and vegetables. These compounds contribute to the color of these foods and offer various health benefits to consumers due to their biological properties. There are more than 1000 types of anthocyanins in nature, all derived from 27 anthocyanidin aglycones that have different glycosylations and acylations. Malvidin is one of the most well-known anthocyanidins. Several studies, including those conducted on cell lines, animals, and humans, have suggested that malvidin and its glycosides possess anti-carcinogenic, diabetes-control, cardiovascular-disease-prevention, and brain-function-improvement properties. These health benefits are primarily attributed to their antioxidant and anti-inflammatory effects, which are influenced by the molecular mechanisms related to the expression and modulation of critical genes. In this article, we review the available information on the biological activity of malvidin and its glycosides concerning their health-promoting effects.
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Affiliation(s)
- Anna Merecz-Sadowska
- Department of Economic and Medical Informatics, University of Lodz, 90-214 Lodz, Poland
| | - Przemysław Sitarek
- Department of Medical Biology, Medical University of Lodz, 90-151 Lodz, Poland
| | - Tomasz Kowalczyk
- Department of Molecular Biotechnology and Genetics, Faculty of Biology and Environmental Protection, University of Lodz, 90-237 Lodz, Poland
| | - Karolina Zajdel
- Department of Medical Informatics and Statistics, Medical University of Lodz, 90-645 Lodz, Poland
| | - Mariusz Jęcek
- Department of Economic and Medical Informatics, University of Lodz, 90-214 Lodz, Poland
| | - Paweł Nowak
- Department of Economic and Medical Informatics, University of Lodz, 90-214 Lodz, Poland
| | - Radosław Zajdel
- Department of Economic and Medical Informatics, University of Lodz, 90-214 Lodz, Poland
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94
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Koda Y, Nagasaki Y. Newly Designed Cysteine-Based Self-Assembling Prodrugs for Sepsis Treatment. Pharmaceutics 2023; 15:1775. [PMID: 37376222 DOI: 10.3390/pharmaceutics15061775] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2023] [Revised: 06/12/2023] [Accepted: 06/16/2023] [Indexed: 06/29/2023] Open
Abstract
Reactive oxygen species (ROS) are essential signaling molecules that maintain intracellular redox balance; however, the overproduction of ROS often causes dysfunction in redox homeostasis and induces serious diseases. Antioxidants are crucial candidates for reducing overproduced ROS; however, most antioxidants are less effective than anticipated. Therefore, we designed new polymer-based antioxidants based on the natural amino acid, cysteine (Cys). Amphiphilic block copolymers, composed of a hydrophilic poly(ethylene glycol) (PEG) segment and a hydrophobic poly(cysteine) (PCys) segment, were synthesized. In the PCys segment, the free thiol groups in the side chain were protected by thioester moiety. The obtained block copolymers formed self-assembling nanoparticles (NanoCys(Bu)) in water, and the hydrodynamic diameter was 40-160 nm, as determined by dynamic light scattering (DLS) measurements. NanoCys(Bu) was stable from pH 2 to 8 under aqueous conditions, as confirmed by the hydrodynamic diameter of NanoCys(Bu). Finally, NanoCys(Bu) was applied to sepsis treatment to investigate the potential of NanoCys(Bu). NanoCys(Bu) was supplied to BALB/cA mice by free drinking for two days, and lipopolysaccharide (LPS) was intraperitoneally injected into the mice to prepare a sepsis shock model (LPS = 5 mg per kg body weight (BW)). Compared with the Cys and no-treatment groups, NanoCys(Bu) prolonged the half-life by five to six hours. NanoCys(Bu), designed in this study, shows promise as a candidate for enhancing antioxidative efficacy and mitigating the adverse effect of cysteine.
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Affiliation(s)
- Yuta Koda
- Department of Materials Science, Faculty of Pure and Applied Sciences, University of Tsukuba, Tennoudai 1-1-1, Tsukuba 305-8573, Japan
| | - Yukio Nagasaki
- Department of Materials Science, Faculty of Pure and Applied Sciences, University of Tsukuba, Tennoudai 1-1-1, Tsukuba 305-8573, Japan
- School of Medical Sciences, School of Comprehensive Human Sciences, University of Tsukuba, Tennoudai 1-1-1, Tsukuba 305-8573, Japan
- Center for Research in Radiation, Isotope and Earth System Sciences (CRiES), University of Tsukuba, Tennoudai 1-1-1, Tsukuba 305-8573, Japan
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95
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Liang S, Hu M, Li B, Xia D, Liang C, Peng F, Wang D. Smart Implant with Bacteria Monitoring and Killing Ability for Orthopedic Applications. ACS APPLIED MATERIALS & INTERFACES 2023. [PMID: 37318286 DOI: 10.1021/acsami.3c03599] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Bacterial infections around implants constitute a significant cause of implant failures. Early recognition of bacterial adhesion is an essential factor in preventing implant infections. Therefore, an implant capable of detecting and disinfecting initial bacterial adhesion is required. This study reports on the development of an intelligent solution for this issue. We developed an implant integrated with a biosensor electrode based on alternating current (AC) impedance technology to monitor the early growth process of Escherichia coli (E. coli) and its elimination. The biosensor electrode was fabricated by coating polypyrrole (PPy) doped with sodium p-toluenesulfonate (TSONa) on titanium (Ti) surfaces. Monitoring the change in resistance using electrochemical impedance spectroscopy (EIS), combined with an equivalent circuit model (ECM), enables the monitoring of the early adhesion of E. coli. The correlation with the classical optical density (OD) monitoring value reached 0.989. Subsequently, the eradication of bacteria on the electrode surface was achieved by applying different voltages to E. coli cultured on the electrode surface, which caused damage to E. coli. Furthermore, in vitro cellular experiments showed that the PPy coating has good biocompatibility and can promote bone differentiation.
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Affiliation(s)
- Shengjie Liang
- Hebei Key Laboratory of Biomaterials and Smart Theranostics, School of Health Sciences and Biomedical Engineering, Hebei University of Technology, Tianjin 300130, China
- School of Materials Science and Engineering, Hebei University of Technology, Tianjin 300130, China
| | - Mengyuan Hu
- School of Materials Science and Engineering, Hebei University of Technology, Tianjin 300130, China
| | - Baoe Li
- School of Materials Science and Engineering, Hebei University of Technology, Tianjin 300130, China
| | - Dan Xia
- School of Materials Science and Engineering, Hebei University of Technology, Tianjin 300130, China
| | - Chunyong Liang
- School of Materials Science and Engineering, Hebei University of Technology, Tianjin 300130, China
| | - Feng Peng
- Medical Research Institute, Department of Orthopedics, Guangdong Provincial People's Hospital, (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou 510080, China
| | - Donghui Wang
- Hebei Key Laboratory of Biomaterials and Smart Theranostics, School of Health Sciences and Biomedical Engineering, Hebei University of Technology, Tianjin 300130, China
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96
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Fasipe B, Li S, Laher I. Exercise and vascular function in sedentary lifestyles in humans. Pflugers Arch 2023:10.1007/s00424-023-02828-6. [PMID: 37272982 DOI: 10.1007/s00424-023-02828-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2023] [Revised: 05/30/2023] [Accepted: 05/31/2023] [Indexed: 06/06/2023]
Abstract
People with sedentary lifestyles engage in minimal or no physical activity. A sedentary lifestyle promotes dysregulation of cellular redox balance, diminishes mitochondrial function, and increases NADPH oxidase activity. These changes collectively increase cellular oxidative stress, which alters endothelial function by oxidizing LDL-C, reducing NO production, and causing eNOS uncoupling. Reduced levels of nitric oxide (NO) leads to vasoconstriction, vascular remodeling, and vascular inflammation. Exercise modulates reactive oxygen species (ROS) to modify NRF2-KEAP signaling, leading to the activation of NRF2 to alleviate oxidative stress. While regular moderate exercise activates NRF2 through ROS production, high-intensity intermittent exercise stimulates NRF2 activation to a greater degree by reducing KEAP levels, which can be more beneficial for sedentary individuals. We review the damaging effects of a sedentary lifestyle on the vascular system and the health benefits of regular and intermittent exercise.
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Affiliation(s)
- Babatunde Fasipe
- Faculty of Basic Clinical Sciences, Department of Pharmacology and Therapeutics, Bowen University, Iwo, Nigeria
| | - Shunchang Li
- Institute of Sports Medicine and Health, Chengdu Sport University, Chengdu, 610041, China
| | - Ismail Laher
- Faculty of Medicine, Department of Anesthesiology, Pharmacology and Therapeutics, The University of British Columbia, 2176 Health Sciences Mall, Vancouver, Canada.
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97
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Boutin JA, Kennaway DJ, Jockers R. Melatonin: Facts, Extrapolations and Clinical Trials. Biomolecules 2023; 13:943. [PMID: 37371523 DOI: 10.3390/biom13060943] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Revised: 05/30/2023] [Accepted: 05/31/2023] [Indexed: 06/29/2023] Open
Abstract
Melatonin is a fascinating molecule that has captured the imagination of many scientists since its discovery in 1958. In recent times, the focus has changed from investigating its natural role as a transducer of biological time for physiological systems to hypothesized roles in virtually all clinical conditions. This goes along with the appearance of extensive literature claiming the (generally) positive benefits of high doses of melatonin in animal models and various clinical situations that would not be receptor-mediated. Based on the assumption that melatonin is safe, high doses have been administered to patients, including the elderly and children, in clinical trials. In this review, we critically review the corresponding literature, including the hypotheses that melatonin acts as a scavenger molecule, in particular in mitochondria, by trying not only to contextualize these interests but also by attempting to separate the wheat from the chaff (or the wishful thinking from the facts). We conclude that most claims remain hypotheses and that the experimental evidence used to promote them is limited and sometimes flawed. Our review will hopefully encourage clinical researchers to reflect on what melatonin can and cannot do and help move the field forward on a solid basis.
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Affiliation(s)
- J A Boutin
- Laboratory of Neuronal and Neuroendocrine Differentiation and Communication, University of Normandy, INSERM U1239, 76000 Rouen, France
| | - D J Kennaway
- Robinson Research Institute and Adelaide School of Medicine, University of Adelaide, Adelaide Health and Medical Science Building, North Terrace, Adelaide, SA 5006, Australia
| | - R Jockers
- Institut Cochin, Université Paris Cité, INSERM, CNRS, 75014 Paris, France
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98
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Jena AB, Samal RR, Bhol NK, Duttaroy AK. Cellular Red-Ox system in health and disease: The latest update. Biomed Pharmacother 2023; 162:114606. [PMID: 36989716 DOI: 10.1016/j.biopha.2023.114606] [Citation(s) in RCA: 75] [Impact Index Per Article: 75.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 03/13/2023] [Accepted: 03/23/2023] [Indexed: 03/29/2023] Open
Abstract
Cells are continually exposed to reactive oxygen species (ROS) generated during cellular metabolism. Apoptosis, necrosis, and autophagy are biological processes involving a feedback cycle that causes ROS molecules to induce oxidative stress. To adapt to ROS exposure, living cells develop various defense mechanisms to neutralize and use ROS as a signaling molecule. The cellular redox networks combine signaling pathways that regulate cell metabolism, energy, cell survival, and cell death. Superoxide dismutase (SOD), catalase (CAT), and glutathione peroxidase (GPX) are essential antioxidant enzymes that are required for scavenging ROS in various cell compartments and response to stressful situations. Among the non-enzymatic defenses, vitamin C, glutathione (GSH), polyphenols, carotenoids, vitamin E, etc., are also essential. This review article describes how ROS are produced as byproducts of oxidation/reduction (redox) processes and how the antioxidants defense system is directly or indirectly engaged in scavenging ROS. In addition, we used computational methods to determine the comparative profile of binding energies of several antioxidants with antioxidant enzymes. The computational analysis demonstrates that antioxidants with a high affinity for antioxidant enzymes regulate their structures.
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Affiliation(s)
- Atala Bihari Jena
- Department of Neurosurgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Rashmi Rekha Samal
- CSIR-Institute of Minerals & Materials Technology, Bhubaneswar 751 013, India
| | - Nitish Kumar Bhol
- Post Graduate Department of Biotechnology, Utkal University, Bhubaneswar 751004, Odisha, India
| | - Asim K Duttaroy
- Department of Nutrition, Institute of Basic Medical Sciences, Faculty of Medicine, University of Oslo, 0317 Oslo, Norway.
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99
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Biswas A, Dey S, Xiao A, Huang S, Birhanie ZM, Deng Y, Liu L, Li D. Phytochemical content and antioxidant activity of different anatomical parts of Corchorus olitorius and C. capsularis during different phenological stages. Heliyon 2023; 9:e16494. [PMID: 37274682 PMCID: PMC10238717 DOI: 10.1016/j.heliyon.2023.e16494] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Revised: 05/13/2023] [Accepted: 05/18/2023] [Indexed: 06/06/2023] Open
Abstract
Different parts of Corchorus olitorius and C. capsularis possess different antioxidant compounds. This study investigated the phytochemical components and antioxidant capacities of ultrasound-assisted extraction of different plant parts of both species using spectrophotometry at various phenological stages. Results also indicate that leaves, stems and roots of C. olitorius at various growth stages showed higher phytochemical components and antioxidant potential compared to C. capsularis. The phytochemical components from roots to leaves in C. olitorius including total polyphenol 0.97-11.11 mg GAE/g DW, total flavonoid 0.99-7.78 mg QE/g DW and total tannin 4.02-26.89 TA E/g DW, whereas C. capsularis total polyphenol 1.04-7.93 mg GAE/g DW, total flavonoid 0.77-5.5.92 mg QE/g DW and total tannin content 3.17-22.73 TA E/g DW. C. olitorius produced overall 22.23%, 13.61%, 12.24% higher total polyphenol, total flavonoid and total tannin, respectively compare to C. capsularis. Different parts extract also significantly affected antioxidant capacities including DPPH, ABTS, and FRAP activity with values of 22.03-79.46% inhibition, 10.84-104.10 μmol TE/g DW, and 10.84-104.10 μmol Fe2+/g DW respectively for C. olitorius, while C. capsularis demonstrated 14.03-70.97% of DPPH inhibition, 9.16-95.60 μmol TE/g DW of ABTS and 5.31-71.82 μmol Fe2+/g DW of FRAP activity. Moreover, leaves of the flowering stage, young stems and aged roots of both species displayed a higher content of phytochemical and antioxidant activities than other growth stages. A positive correlation between the phytochemical and antioxidant potential indicated that phenolic constituents solely affected antioxidant activity. Thus, this study established that the plant's parts and phenological growth stages significantly influence the concentration of phytoconstituents and antioxidant activities, and determine the harvesting stages of the different organs of C. olitorius and C. capsularis for considerable medicinal importance as folk and industry.
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Affiliation(s)
- Ashok Biswas
- Annual Bast Fiber Breeding Lab., Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences, Changsha, 410205, China
- Department of Horticulture, Sylhet Agricultural University, Sylhet, 3100, Bangladesh
| | - Susmita Dey
- Annual Bast Fiber Breeding Lab., Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences, Changsha, 410205, China
- Department of Plant Pathology and Seed Science, Sylhet Agricultural University, Sylhet, 3100, Bangladesh
| | - Aiping Xiao
- Department of Chemistry, Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences, Changsha, 410205, China
| | - Siqi Huang
- Annual Bast Fiber Breeding Lab., Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences, Changsha, 410205, China
| | - Ziggiju Mesenbet Birhanie
- Annual Bast Fiber Breeding Lab., Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences, Changsha, 410205, China
| | - Yong Deng
- Annual Bast Fiber Breeding Lab., Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences, Changsha, 410205, China
| | - Liangliang Liu
- Department of Chemistry, Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences, Changsha, 410205, China
| | - Defang Li
- Annual Bast Fiber Breeding Lab., Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences, Changsha, 410205, China
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100
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Ngoc LTN, Moon JY, Lee YC. Antioxidants for improved skin appearance: Intracellular mechanism, challenges and future strategies. Int J Cosmet Sci 2023; 45:299-314. [PMID: 36794452 DOI: 10.1111/ics.12848] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Revised: 12/21/2022] [Accepted: 02/05/2023] [Indexed: 02/17/2023]
Abstract
Recent advances in molecular and biochemical processes relevant to the skincare field have led to the development of novel ingredients based on antioxidants that can improve skin health and youthfulness. Considering the plethora of such antioxidants and the many implications for the skin's appearance, this review focuses on describing the critical aspects of antioxidants, including cosmetic functions, intracellular mechanisms and challenges. In particular, specialized substances are suggested for the treatment of each skin condition, such as skin ageing, skin dehydration and skin hyperpigmentation, which treatments can maximize effectiveness and avoid side effects during skin care processes. In addition, this review proposes advanced strategies that either already exists in the cosmetic market or should be developed to improve and optimize cosmetic' beneficial effects.
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Affiliation(s)
- Le Thi Nhu Ngoc
- Department of Industrial and Environmental Engineering, Graduate School of Environment, Gachon University, Seongnam-si, Korea
| | - Ju-Young Moon
- Department of Beauty Design Management, Han-sung University, Seoul, Korea
| | - Young-Chul Lee
- Department of BioNano Technology, Gachon University, Seongnam-si, Korea
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