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Wang Y, Feng S, Wang X, Tao C, Liu Y, Wang Y, Gao Y, Zhao J, Song Y. Microfluidic synthesis of hemin@ZIF-8 nanozyme with applications in cellular reactive oxygen species detection and anticancer drug screening. LAB ON A CHIP 2024; 24:3521-3527. [PMID: 38939907 DOI: 10.1039/d4lc00290c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/29/2024]
Abstract
Zeolitic imidazolate framework-8 (ZIF-8) encapsulating enzymatically active biomolecules has emerged as a novel biocompatible nanozyme and offers significant implications for bioanalysis of various biomarkers towards early diagnosis of severe diseases such as cancers. However, the rapid, continuous and scalable synthesis of these nanozymes still remains challenging. In this work, we proposed a novel microfluidic approach for rapid and continuous synthesis of hemin@ZIF-8 nanozyme. By employing a distinctive combination of zigzag-shaped channel and spiral channel with sudden expansion structures, we have enhanced the mixing efficiency within the chip and achieved effective encapsulation of hemin in ZIF-8. The resulting hemin@ZIF-8 nanoparticles exhibit peroxidase-like activity and are capable of detecting free H2O2 with a limit of detection (LOD) as low as 45 nM, as well as H2O2 secreted by viable cells with a detection threshold of approximately 10 cells per mL. By leveraging this method, we achieved successful detection of cancer cells and effective screening of anticancer drugs that induce oxidative stress injury in cancer cells. This innovative microfluidic strategy offers a new avenue for synthesizing functional nanocomposites to facilitate the development of next-generation diagnostic tools for early disease detection and personalized medicine.
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Affiliation(s)
- Yanping Wang
- School of Medical Imaging, Wannan Medical College, Wuhu 241002, China.
| | - Shujun Feng
- College of Engineering and Applied Sciences, State Key Laboratory of Analytical Chemistry for Life Science, Nanjing University, Nanjing 210023, China.
| | - Xuyuan Wang
- College of Engineering and Applied Sciences, State Key Laboratory of Analytical Chemistry for Life Science, Nanjing University, Nanjing 210023, China.
| | - Chungui Tao
- School of Medical Imaging, Wannan Medical College, Wuhu 241002, China.
| | - Yuta Liu
- College of Engineering and Applied Sciences, State Key Laboratory of Analytical Chemistry for Life Science, Nanjing University, Nanjing 210023, China.
| | - Yanyi Wang
- College of Engineering and Applied Sciences, State Key Laboratory of Analytical Chemistry for Life Science, Nanjing University, Nanjing 210023, China.
| | - Yanfeng Gao
- School of Medical Imaging, Wannan Medical College, Wuhu 241002, China.
- College of Engineering and Applied Sciences, State Key Laboratory of Analytical Chemistry for Life Science, Nanjing University, Nanjing 210023, China.
| | - Jinsong Zhao
- School of Medical Imaging, Wannan Medical College, Wuhu 241002, China.
| | - Yujun Song
- College of Engineering and Applied Sciences, State Key Laboratory of Analytical Chemistry for Life Science, Nanjing University, Nanjing 210023, China.
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Naseem N, Khaliq T, Jan S, Nabi S, Sultan P, Hassan QP, Mir FA. An overview on pharmacological significance, phytochemical potential, traditional importance and conservation strategies of Dioscorea deltoidea: A high valued endangered medicinal plant. Heliyon 2024; 10:e31245. [PMID: 38826718 PMCID: PMC11141387 DOI: 10.1016/j.heliyon.2024.e31245] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Revised: 04/25/2024] [Accepted: 05/13/2024] [Indexed: 06/04/2024] Open
Abstract
Dioscorea deltoidea Wall. ex Griseb. is an endangered species of the Dioscoreaceae family. It is the most commonly consumed wild species as a vegetable due to its high protein, vital amino acid, vitamin, and mineral content. There are approximately 613 species in the genus Dioscorea Plum. ex L., which is found in temperate and tropical climates. Dioscorea deltoidea, a plant species widespread across tropical and sub-tropical regions, called by different names in different languages. In English, it is commonly referred to as "Wild yam" or "Elephant foot". The Sanskrit name for this plant is "Varahikand," while in Hindi, it is known as "Gun" or "Singly-mingly." The Urdu language refers to it as "Qanis," and in Nepali, it is called "Tarul," "Bhyakur," or "Ghunar." Dioscorea deltoidea has been used to cure a wide range of human ailments for centuries. This plant has nutritional and therapeutic uses and also contains high amounts of steroidal saponins, allantoin, polyphenols, and most notably, polysaccharides and diosgenin. These bioactive chemicals have shown potential in providing protection against a wide spectrum of inflammatory conditions, including enteritis (inflammation of the intestines), arthritis (joint inflammation), dermatitis (skin inflammation), acute pancreatitis (inflammation of the pancreas), and neuro inflammation (inflammation in the nervous system). Furthermore, the valuable bioactive chemicals found in D. deltoidea have been associated with a range of beneficial biological activities, such as antibacterial, antioxidant, anti-inflammatory, immunomodulatory, hepatoprotective, and cytotoxic properties. Sapogenin steroidal chemicals are highly valued in the fields of medicine, manufacturing, and commerce. It has both expectorant and sedative properties. It is employed in the treatment of cardiovascular diseases, encompassing various ailments related to the heart and blood vessels, skin disease, cancer, immune deficiencies, and autoimmune diseases. Additionally, it finds application in managing disorders of the central nervous system and dysfunctional changes in the female reproductive system. Furthermore, it is valued for its role in treating bone and joint diseases. Metabolic disorders are also among the ailments for which D. deltoidea is employed. It has traditionally been used as a vermifuge, fish poison, and to kill lice. Diosgenin, a steroidal compound found in D. deltoidea, plays a crucial role as a precursor in the chemical synthesis of various hormones. Due to the presence of valuable bioactive molecule, like corticosterone and sigmasterol, D. deltoidea is cultivated specifically for the extraction of these beneficial phytochemicals. The current study aims to assess D. deltoidea's medicinal properties, ethnobotanical usage, phytochemicals, pharmacological properties, threats, and conservation techniques.
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Affiliation(s)
- Nuzhat Naseem
- Plant Molecular Biology and Biotechnology, CSIR-Indian Institute of Integrative Medicine, Sanatnagar, Srinagar, 190005, India
| | - Tahirah Khaliq
- Plant Molecular Biology and Biotechnology, CSIR-Indian Institute of Integrative Medicine, Sanatnagar, Srinagar, 190005, India
| | - Sami Jan
- Plant Molecular Biology and Biotechnology, CSIR-Indian Institute of Integrative Medicine, Sanatnagar, Srinagar, 190005, India
| | - Shakir Nabi
- Plant Molecular Biology and Biotechnology, CSIR-Indian Institute of Integrative Medicine, Sanatnagar, Srinagar, 190005, India
| | - Phalisteen Sultan
- Plant Molecular Biology and Biotechnology, CSIR-Indian Institute of Integrative Medicine, Sanatnagar, Srinagar, 190005, India
- Academy of Scientific & Innovative Research (AcSIR), New Delhi, 110001, India
| | - Qazi Parvaiz Hassan
- Plant Molecular Biology and Biotechnology, CSIR-Indian Institute of Integrative Medicine, Sanatnagar, Srinagar, 190005, India
- Academy of Scientific & Innovative Research (AcSIR), New Delhi, 110001, India
| | - Firdous Ahmad Mir
- Academy of Scientific & Innovative Research (AcSIR), New Delhi, 110001, India
- Plant science, CSIR-Indian Institute of Integrative Medicine, Sanatnagar, Srinagar, 190005, India
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3
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Wang S, Li P, Wang J, Gong J, Lu H, Wang X, Wang Q, Xue P. Detection of Ascorbic Acid by Two-Dimensional Conductive Metal-Organic Framework-Based Electrochemical Sensors. Molecules 2024; 29:2413. [PMID: 38893288 PMCID: PMC11173493 DOI: 10.3390/molecules29112413] [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: 04/18/2024] [Revised: 05/09/2024] [Accepted: 05/16/2024] [Indexed: 06/21/2024] Open
Abstract
The realization of efficient and accurate detection of biomolecules has become a key scientific issue in the field of life sciences. With the rapid development of nanotechnology, electrochemical sensors constructed from the superior physical and chemical properties of nanomaterials show faster and more accurate detection. Among nanomaterials, two-dimensional conductive MOF (2D cMOF) is considered to be a star material in electrochemical sensors due to its remarkable conductivity, high porosity, and stability. In this paper, a Cu3(HHTP)2/SPE electrochemical sensor for the detection of ascorbic acid (AA) was constructed by modifying 2D cMOF (Cu3(HHTP)2) on the surface of the screen-printed electrode (SPE). The sensor exhibited excellent catalytic activity in the detection of AA, with a lower detection limit of 2.4 μmol/L (S/N = 3) and a wide linear range of 25-1645 μmol/L. This high catalytic activity can be attributed to the abundant catalytic sites in Cu3(HHTP)2 and the rapid electron transfer between Cu+ and Cu2+, which accelerates the oxidation of AA. This work lays a foundation for the subsequent development of MOFs with special electrochemical catalytic properties and the integration of 2D cMOF into intelligent electrical analysis devices.
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Affiliation(s)
| | | | | | | | | | | | - Quan Wang
- School of Pharmacy, Xianning Medical College, Hubei University of Science and Technology, Xianning 437100, China
| | - Ping Xue
- School of Pharmacy, Xianning Medical College, Hubei University of Science and Technology, Xianning 437100, China
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Chuaijit S, Punsawad C, Winoto V, Plaingam W, Kongkaew I, Phetcharat A, Ichikawa T, Kubo M, Kawakami F, Tedasen A, Chatatikun M. Leaf extract of Garcinia atroviridis promotes anti-heat stress and antioxidant effects in Caenorhabditis elegans. Front Pharmacol 2024; 15:1331627. [PMID: 38515852 PMCID: PMC10955098 DOI: 10.3389/fphar.2024.1331627] [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: 11/01/2023] [Accepted: 02/23/2024] [Indexed: 03/23/2024] Open
Abstract
Introduction: Garcinia atroviridis has been used for traditional medicines, healthy foods and tea. The chemical compositions and biological activities of fruit, stem bark and root have been widely studied. However, the phytochemical components and the biological activities in Garcinia atroviridis leaves (GAL) are limited. This research aims to study the phytochemical components and the stress resistance effects of GAL in Caenorhabditis elegans (C. elegans). Methods: To investigate the chemical components and antioxidant activities of GAL extract, the ethanol extract was characterized by liquid chromatography-quadrupole time-of-flight mass spectrometry (LC-QTOF MS) analysis and C. elegans was used to evaluate the effects of GAL extracts on longevity and stress resistance. Results and discussion: The results revealed that the ethanol extract of GAL possesses free radical scavenging activities. Furthermore, GAL extract increased the lifespan of C. elegans by 6.02%, 15.26%, and 12.75% at concentrations of 25, 50, and 100 μg/mL, respectively. GAL extract exhibited improved stress resistance under conditions of heat and hydrogen peroxide-induced stress. The survival rates of GAL extract-treated worms were significantly higher than those of untreated worms, and GAL extract reduced reactive oxygen species (ROS) accumulation. Additionally, GAL extract treatment upregulated the expression of stress resistance-associated genes, including gst-4, sod-3, skn-1, and hsp16.2. GAL extract supplementation alleviated stress and enhanced longevity by inducing stress-related genes in C. elegans. The observed effects of GAL extracts may be attributed to the stimulation of oxidant enzymes mediated through DAF-16/FOXO and SKN-1/NRF2, as well as the enhancement of thermal defense in C. elegans. Collectively, this study provides the first evidence of the antioxidant activities of GAL and elucidates the underlying mechanisms of stress resistance.
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Affiliation(s)
- Sirithip Chuaijit
- Department of Medical Science, School of Medicine, Walailak University, Nakhon Si Thammarat, Thailand
- Research Center in Tropical Pathobiology, Walailak University, Nakhon Si Thammarat, Thailand
- Center of Excellence Research for Melioidosis and Microorganisms (CERMM), Walailak University, Nakhon Si Thammarat, Thailand
| | - Chuchard Punsawad
- Department of Medical Science, School of Medicine, Walailak University, Nakhon Si Thammarat, Thailand
- Research Center in Tropical Pathobiology, Walailak University, Nakhon Si Thammarat, Thailand
| | - Veronica Winoto
- Department of Chemical Engineering, Thammasat School of Engineering, Thammasat University Rangsit Campus, Rangsit, Pathum Thani, Thailand
| | - Waluga Plaingam
- College of Oriental Medicine, Rangsit University, Rangsit, Pathum Thani, Thailand
| | - Itti Kongkaew
- Department of Medical Technology, School of Allied Health Sciences, Walailak University, Nakhon Si Thammarat, Thailand
| | - Atidtaya Phetcharat
- Department of Medical Technology, School of Allied Health Sciences, Walailak University, Nakhon Si Thammarat, Thailand
| | - Takafumi Ichikawa
- Department of Regulation Biochemistry, Kitasato University Graduate School of Medical Sciences, Sagamihara, Japan
- Regenerative Medicine and Cell Design Research Facility, School of Allied Health Sciences, Kitasato, Sagamihara, Japan
| | - Makoto Kubo
- Department of Regulation Biochemistry, Kitasato University Graduate School of Medical Sciences, Sagamihara, Japan
- Regenerative Medicine and Cell Design Research Facility, School of Allied Health Sciences, Kitasato, Sagamihara, Japan
| | - Fumitaka Kawakami
- Department of Regulation Biochemistry, Kitasato University Graduate School of Medical Sciences, Sagamihara, Japan
- Regenerative Medicine and Cell Design Research Facility, School of Allied Health Sciences, Kitasato, Sagamihara, Japan
| | - Aman Tedasen
- Department of Medical Technology, School of Allied Health Sciences, Walailak University, Nakhon Si Thammarat, Thailand
| | - Moragot Chatatikun
- Center of Excellence Research for Melioidosis and Microorganisms (CERMM), Walailak University, Nakhon Si Thammarat, Thailand
- Department of Medical Technology, School of Allied Health Sciences, Walailak University, Nakhon Si Thammarat, Thailand
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Despotović A, Janjetović K, Zogović N, Tovilović-Kovačević G. Pharmacological Akt and JNK Kinase Inhibitors 10-DEBC and SP600125 Potentiate Anti-Glioblastoma Effect of Menadione and Ascorbic Acid Combination in Human U251 Glioblastoma Cells. Biomedicines 2023; 11:2652. [PMID: 37893026 PMCID: PMC10604608 DOI: 10.3390/biomedicines11102652] [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: 08/17/2023] [Revised: 09/21/2023] [Accepted: 09/25/2023] [Indexed: 10/29/2023] Open
Abstract
Glioblastoma multiforme (GBM) is the most lethal primary brain tumor in adults, characterized by a highly invasive nature and therapy resistance. Combination of menadione and ascorbic acid (AA+MD) exerts strong ROS-mediated anti-GBM activity in vitro. The objective of this study was to improve AA+MD anti-GBM potential by modulating the activity of Akt and c-Jun N-terminal kinase (JNK), molecules with an important role in GBM development. The effects of Akt and JNK modulation on AA+MD toxicity in U251 human glioblastoma cells were assessed by cell viability assays, flow cytometry, RNA interference and plasmid overexpression, and immunoblot analysis. The AA+MD induced severe oxidative stress, an early increase in Akt phosphorylation followed by its strong inhibition, persistent JNK activation, and U251 cell death. Small molecule Akt kinase inhibitor 10-DEBC enhanced, while pharmacological and genetic Akt activation decreased, AA+MD-induced toxicity. The U251 cell death potentiation by 10-DEBC correlated with an increase in the combination-induced autophagic flux and was abolished by genetic autophagy silencing. Additionally, pharmacological JNK inhibitor SP600125 augmented combination toxicity toward U251 cells, an effect linked with increased ROS accumulation. These results indicate that small Akt and JNK kinase inhibitors significantly enhance AA+MD anti-GBM effects by autophagy potentiation and amplifying deleterious ROS levels.
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Affiliation(s)
- Ana Despotović
- Department of Neurophysiology, Institute for Biological Research “Siniša Stanković”—National Institute of the Republic of Serbia, University of Belgrade, Bulevar despota Stefana 142, 11000 Belgrade, Serbia; (A.D.); (K.J.)
| | - Kristina Janjetović
- Department of Neurophysiology, Institute for Biological Research “Siniša Stanković”—National Institute of the Republic of Serbia, University of Belgrade, Bulevar despota Stefana 142, 11000 Belgrade, Serbia; (A.D.); (K.J.)
| | - Nevena Zogović
- Department of Neurophysiology, Institute for Biological Research “Siniša Stanković”—National Institute of the Republic of Serbia, University of Belgrade, Bulevar despota Stefana 142, 11000 Belgrade, Serbia; (A.D.); (K.J.)
| | - Gordana Tovilović-Kovačević
- Department of Biochemistry, Institute for Biological Research “Siniša Stanković”—National Institute of the Republic of Serbia, University of Belgrade, Bulevar despota Stefana 142, 11000 Belgrade, Serbia
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Lucia Dos Santos Silva R, de Sousa Barberino R, Tavares de Matos MH. Impact of antioxidant supplementation during in vitro culture of ovarian preantral follicles: A review. Theriogenology 2023; 207:110-122. [PMID: 37290274 DOI: 10.1016/j.theriogenology.2023.05.027] [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: 02/15/2023] [Revised: 05/10/2023] [Accepted: 05/27/2023] [Indexed: 06/10/2023]
Abstract
The in vitro culture systems of ovarian preantral follicles have been developed for studying follicular and oocyte growth, for future use of immature oocytes as sources of fertilizable oocytes and for screening ovarian toxic substances. One of the key limitations of the in vitro culture of preantral follicles is the oxidative stress by accumulation of reactive oxygen species (ROS), which can impair follicular development and oocyte quality. Several factors are associated with oxidative stress in vitro, which implies the need for a rigorous control of the conditions as well as addition of antioxidant agents to the culture medium. Antioxidant supplementation can minimize or eliminate the damage caused by ROS, supporting follicular survival and development and producing mature oocytes competent for fertilization. This review focuses on the use of antioxidants and their role in preventing follicular damage caused by oxidative stress in the in vitro culture of preantral follicles.
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Affiliation(s)
- Regina Lucia Dos Santos Silva
- Nucleus of Biotechnology Applied to Ovarian Follicle Development, Federal University of São Francisco Valley, 56300-900, Petrolina, PE, Brazil
| | - Ricássio de Sousa Barberino
- Nucleus of Biotechnology Applied to Ovarian Follicle Development, Federal University of São Francisco Valley, 56300-900, Petrolina, PE, Brazil
| | - Maria Helena Tavares de Matos
- Nucleus of Biotechnology Applied to Ovarian Follicle Development, Federal University of São Francisco Valley, 56300-900, Petrolina, PE, Brazil.
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Liu Y, Cheng QY, Gao H, Chen HY, Xu JJ. Microfluidic Gradient Culture Arrays for Cell Pro-oxidation Analysis Using Bipolar Electrochemiluminescence. Anal Chem 2023; 95:8376-8383. [PMID: 37184375 DOI: 10.1021/acs.analchem.3c01123] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/16/2023]
Abstract
A microfluidic gradient array is a widely used screening and analysis device, which has characteristics of high efficiency, high automation, and low consumption. Bipolar electrode electrochemiluminescence (BPE-ECL) has special value in microfluidic array chips. The combination of the microfluidic gradient and BPE arrays has potential for high-throughput screening. In this article, a microfluidic BPE array chip for gradient culture and conditional screening of cancer cells was designed. The generation of concentration gradients, continuous culture of cancer cells with high throughput, and drug screening through BPE-ECL of the Ru(bpy)32+/TPrA system can be performed in one chip. We tested gradient pro-oxidation of MCF-7 by ascorbic acid and the synergistic effect of pro-oxidation on doxorubicin. The method achieves high analysis efficiency through a BPE array while simplifying the tedious procedures required by cell culture methods.
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Affiliation(s)
- Yu Liu
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Qiu-Yue Cheng
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Hang Gao
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Hong-Yuan Chen
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Jing-Juan Xu
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
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Shih CY, Wang PT, Chung WP, Wang WH, Chiang IT, Su WC, Huang WL, Teng H. Concise nanotherapeutic modality for cancer involving graphene oxide dots in conjunction with ascorbic acid. NANOSCALE 2023. [PMID: 37183719 DOI: 10.1039/d3nr00431g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/16/2023]
Abstract
Cancer cells tend to have higher intracellular reactive oxygen species (ROS) levels and are more vulnerable to ROS-generating therapies such as ascorbic acid (H2Asc) therapy, whose potency has been explored by several clinical trials. However, its efficiency is restricted by the requirement of pharmacologically high local H2Asc concentrations. Here, we show that nitrogen-doped graphene oxide dots (NGODs), which are highly crystalline and biocompatible, can serve as a catalytic medium for improving H2Asc cancer therapy at orally achievable physiological H2Asc concentrations. NGODs catalyze H2Asc oxidation for H2O2 and dehydroascorbic acid generation to disrupt cancer cells by consuming intracellular glutathione (GSH) and inducing ROS damage. This is the first study to demonstrate the direct consumption of GSH using a carbon-based nano-catalyst (NGODs), which further expedites tumor killing. In addition, as in our previous study, NGODs can also serve as a highly efficient photosensitizer for photodynamic therapy. Under illumination, NGODs produce a considerable amount of H2O2 in the presence of physiological levels of H2Asc as a hole scavenger and further enhance the therapeutic efficiency. Thus, a concise nanotherapeutic modality could be achieved through the conjunction of multifunctional NGODs and H2Asc to selectively eliminate deep-seated and superficial tumors simultaneously (under 65% of normal cell viability, it kills almost all cancer cells). Note that this level of therapeutic versatility generally requires multiple components and complex manufacturing processes that run into difficulties with FDA regulations and clinical applications. In this study, the concise NGOD-H2Asc nanotherapeutic modality has demonstrated its great potential in cancer therapy.
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Affiliation(s)
- Chun-Yan Shih
- Department of Chemical Engineering, National Cheng Kung University, Tainan 70101, Taiwan.
- Center of Applied Nanomedicine, National Cheng Kung University, Tainan 70101, Taiwan.
- Hierarchical Green-Energy Materials (Hi-GEM) Research Center, National Cheng Kung University, Tainan 70101, Taiwan
| | - Pei-Ting Wang
- Department of Chemical Engineering, National Cheng Kung University, Tainan 70101, Taiwan.
- Center of Applied Nanomedicine, National Cheng Kung University, Tainan 70101, Taiwan.
- Hierarchical Green-Energy Materials (Hi-GEM) Research Center, National Cheng Kung University, Tainan 70101, Taiwan
| | - Wei-Pang Chung
- Center of Applied Nanomedicine, National Cheng Kung University, Tainan 70101, Taiwan.
- Department of Oncology, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan 70101, Taiwan
| | - Wen-Hsiu Wang
- Department of Medical Laboratory Science and Biotechnology, College of Medicine, National Cheng Kung University, Tainan 70101, Taiwan
| | - I-Ting Chiang
- Center of Applied Nanomedicine, National Cheng Kung University, Tainan 70101, Taiwan.
| | - Wu-Chou Su
- Center of Applied Nanomedicine, National Cheng Kung University, Tainan 70101, Taiwan.
- Department of Oncology, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan 70101, Taiwan
| | - Wei-Lun Huang
- Center of Applied Nanomedicine, National Cheng Kung University, Tainan 70101, Taiwan.
- Department of Medical Laboratory Science and Biotechnology, College of Medicine, National Cheng Kung University, Tainan 70101, Taiwan
| | - Hsisheng Teng
- Department of Chemical Engineering, National Cheng Kung University, Tainan 70101, Taiwan.
- Center of Applied Nanomedicine, National Cheng Kung University, Tainan 70101, Taiwan.
- Hierarchical Green-Energy Materials (Hi-GEM) Research Center, National Cheng Kung University, Tainan 70101, Taiwan
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9
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Çiçek S. Influences of l-ascorbic acid on cytotoxic, biochemical, and genotoxic damages caused by copper II oxide nanoparticles in the rainbow trout gonad cells-2. Comp Biochem Physiol C Toxicol Pharmacol 2023; 266:109559. [PMID: 36738901 DOI: 10.1016/j.cbpc.2023.109559] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Revised: 01/09/2023] [Accepted: 01/25/2023] [Indexed: 02/05/2023]
Abstract
In parallel with the raising use of copper oxide nanoparticles (CuO NPs) in various industrial and commercial practices, scientific reports on their release to the environment and toxicity are increasing. The toxicity of CuO NPs is mostly based on their oxidative stress. Therefore, it is necessary to investigate the efficacy of well-known therapeutic agents as antioxidants against CuO NPs damage. This study aimed to investigate the mechanism of this damage and to display whether l-ascorbic acid could preserve against the cell toxicities induced by CuO NPs in the rainbow trout gonad cells-2 (RTG-2). While CuO NPs treatment significantly diminished cell viability, the l-ascorbic acid supplement reversed this. l-ascorbic acid treatment reversed the changes in expressions of sod1, sod2, gpx1a, and gpx4b genes while playing a supportive role in the changes in the expression of the cat gene induced by CuO NPs treatment. Moreover, CuO NPs treatment caused an upregulation in the expressions of growth-related genes (gh1, igf1, and igf2) and l-ascorbic acid treatment further increased these effects. CuO NPs treatment significantly up-regulated the expression of the gapdh gene (glycolytic enzyme gene) compared to the control group, and l-ascorbic acid treatment significantly down-regulated the expression of the gapdh gene compared to CuO NPs treatment. The genotoxicity test demonstrated that l-ascorbic acid treatment increased the genotoxic effect caused by CuO NPs by acting as a co-mutagen. Based on the findings, l-ascorbic acid has the potential to be sometimes inhibitory and sometimes supportive of cellular mechanisms caused by CuO NPs.
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Affiliation(s)
- Semra Çiçek
- Animal Biotechnology Department, Faculty of Agriculture, Atatürk University, Erzurum 25400, Turkey.
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10
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Kshetrimayum V, Heisnam R, Keithellakpam OS, Radhakrishnanand P, Akula SJ, Mukherjee PK, Sharma N. Paris polyphylla Sm. Induces Reactive Oxygen Species and Caspase 3-Mediated Apoptosis in Colorectal Cancer Cells In Vitro and Potentiates the Therapeutic Significance of Fluorouracil and Cisplatin. PLANTS (BASEL, SWITZERLAND) 2023; 12:1446. [PMID: 37050072 PMCID: PMC10097216 DOI: 10.3390/plants12071446] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Revised: 02/14/2023] [Accepted: 02/16/2023] [Indexed: 06/19/2023]
Abstract
Paris polyphylla Sm. (Melanthiaceae) is an essential, vulnerable herb with a wide range of traditional applications ranging from fever to cancer in various communities. The use of P. polyphylla in India is limited to traditional healers. Here, we demonstrated that P. polyphylla extract (PPE) has good phenol, flavonoid, saponin, and steroidal saponin content and anti-oxidant activity with IC50 35.12 ± 6.1 μg/mL in DPPH and 19.69 ± 6.7 μg/mL in ABTS. Furthermore, PPE induces cytotoxicity in HCT-116 with IC50 8.72 ± 0.71 μg/mL without significant cytotoxicity inthe normal human colon epithelial cell line, CCD 841 CoN. PPE inhibits the metastatic property and induces apoptosis in HCT-116, as measured by Annexin V/PI, by increasing the production of reactive oxygen species (ROS) and caspase 3 activation. PPE acts synergistically with 5FU and cisplatin in HCT-116 and potentiates their therapeutic significance. Steroidal saponins with anticancer activities were detected in PPE by HR-LCMS. The present study demonstrated that PPE induces apoptosis by increasing ROS and activating caspase 3, which was attributed to steroidal saponins. PPE can be used as a potential natural remedy for colon cancer.
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Affiliation(s)
- Vimi Kshetrimayum
- Microbial Resources Division, Institute of Bioresources and Sustainable Development Takyelpat, Imphal 795001, India
- School of Biotechnology Kalinga Institute of Industrial Technology (KIIT), Deemed to be University, Bhubaneshwar 751024, India
| | - Rameshwari Heisnam
- Microbial Resources Division, Institute of Bioresources and Sustainable Development Takyelpat, Imphal 795001, India
- School of Biotechnology Kalinga Institute of Industrial Technology (KIIT), Deemed to be University, Bhubaneshwar 751024, India
| | - Ojit Singh Keithellakpam
- Microbial Resources Division, Institute of Bioresources and Sustainable Development Takyelpat, Imphal 795001, India
| | - Pullapanthula Radhakrishnanand
- Department of Pharmaceutical Analysis, National Institute of Pharmaceutical Education and Research, Guwahati 781101, India
| | - Sai Jyothi Akula
- Department of Pharmaceutical Analysis, National Institute of Pharmaceutical Education and Research, Guwahati 781101, India
| | - Pulok K. Mukherjee
- Microbial Resources Division, Institute of Bioresources and Sustainable Development Takyelpat, Imphal 795001, India
| | - Nanaocha Sharma
- Microbial Resources Division, Institute of Bioresources and Sustainable Development Takyelpat, Imphal 795001, India
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Roy AC, Prasad A, Priya K, Das P, Singh S, Ghosh C, Ghosh I. Anticancer effect of antioxidant-rich methanolic extract of Rauvolfia serpentina (L.) Benth. ex Kurz leaves in HepG2 and HeLa cells: A mechanistic insight. BIOCATALYSIS AND AGRICULTURAL BIOTECHNOLOGY 2023. [DOI: 10.1016/j.bcab.2023.102674] [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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12
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Reang J, Sharma K, Sharma PC, Yadav V, Sharma V, Majeed J. Discovery of VEGFR inhibitors through virtual screening and energy assessment. J Biochem Mol Toxicol 2023; 37:e23321. [PMID: 36808794 DOI: 10.1002/jbt.23321] [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: 06/23/2022] [Revised: 12/05/2022] [Accepted: 02/08/2023] [Indexed: 02/22/2023]
Abstract
Vascular endothelial growth factor receptor-2 (VEGFR-2) is crucial in promoting tumor angiogenesis and cancer metastasis. Thus, inhibition of VEGFR-2 has appeared as a good tactic for cancer treatment. To find out novel VEGFR-2 inhibitors, first, the PDB structure of VEGFR-2, 6GQO, was selected based on atomic nonlocal environment assessment (ANOLEA) and PROCHECK assessment. 6GQO was then further used for structure-based virtual screening (SBVS) of different molecular databases, including US-FDA approved drugs, US-FDA withdrawn drugs, may bridge, MDPI, and Specs databases using Glide. Based on SBVS, receptor fit, drug-like filters, and absorption, distribution, metabolism, excretion, and toxicity (ADMET) analysis of 427877 compounds, the best 22 hits were selected. From the 22 hits, hit 5 complex with 6GQO was put through molecular mechanics/generalized born surface area (MM/GBSA) study and hERG binding. The MM/GBSA study revealed that hit 5 possesses lesser binding free energy with more inferior stability in the receptor pocket than the reference compound. The VEGFR-2 inhibition assay of hit 5 disclosed an IC50 of 165.23 nM against VEGFR-2, which can be possibly enhanced through structural modifications.
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Affiliation(s)
- Jurnal Reang
- Department of Pharmaceutical Chemistry, Delhi Pharmaceutical Sciences and Research University, New Delhi, India
| | - Kalicharan Sharma
- Department of Pharmaceutical Chemistry, Delhi Pharmaceutical Sciences and Research University, New Delhi, India
| | - Prabodh C Sharma
- Department of Pharmaceutical Chemistry, Delhi Pharmaceutical Sciences and Research University, New Delhi, India
| | - Vivek Yadav
- Department of Pharmaceutical Chemistry, Delhi Pharmaceutical Sciences and Research University, New Delhi, India
| | - Vinita Sharma
- Department of Pharmaceutical Chemistry, Delhi Pharmaceutical Sciences and Research University, New Delhi, India
| | - Jaseela Majeed
- Department of Pharmaceutical Management, Delhi Pharmaceutical Sciences and Research University, New Delhi, India
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Hu L, Hu J, Huang Y, Zheng S, Yin J, Li X, Li D, Lv C, Li S, Hu W. Hypoxia-mediated activation of hypoxia-inducible factor-1α in head and neck squamous cell carcinoma: A review. Medicine (Baltimore) 2023; 102:e32533. [PMID: 36607847 PMCID: PMC9829281 DOI: 10.1097/md.0000000000032533] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
Since the 1950s, hypoxia has been recognized as a crucial characteristic of cancer cells and their microenvironment. Indeed, hypoxia promotes the growth, survival, and metastasis of cancer cells. In the early 1990s, we found that as many phenomena in hypoxia can occur through hypoxia-inducible factor-1α (HIF1α). HIF1α is known as an angiogenesis converter in hypoxia, which promotes tumorigenesis, development, immune escape, recurrence, etc; This page goes into great detail on how HIF1α is activated during hypoxia and how the 2 signaling channels interact. It specifically emphasizes the significance of reactive oxygen species, the function of the PI3K/the serine/threonine kinase Akt/mammalian target of rapamycin cascade, and outlines the similarities between the 2 important factors (reactive oxygen species and PI3K/the serine/threonine kinase Akt/mammalian target of rapamycin cascade), nuclear factor κB, for HIF1α Important implications, in an effort to offer fresh views for the treatment of head and neck squamous cell carcinoma and HIF1α research.
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Affiliation(s)
- Lanxin Hu
- The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, China
| | - Jinwei Hu
- Clinical Medicine, Nanchang University Queen Mary School, Nanchang, China
| | - Yanlin Huang
- The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, China
| | - Sihan Zheng
- The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, China
| | - Ji Yin
- The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, China
| | - Xiaohui Li
- The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, China
| | - Daiying Li
- The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, China
| | - Caifeng Lv
- The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, China
| | - Sen Li
- The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, China
| | - Wenjian Hu
- The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, China
- * Correspondence: Wenjian Hu, The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, O.182 Chunhui Road Longmatan District Luzhou Sichuan 646000, China (e-mail: )
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Kong W, Zhou W, He Z, Zhang X, Li S, Zhong R, Liu J. Polymerized human cord hemoglobin assisted with ascorbic acid as a red blood cell substitute alleviating oxidative stress for blood transfusion. Front Bioeng Biotechnol 2023; 11:1151975. [PMID: 36911194 PMCID: PMC9995943 DOI: 10.3389/fbioe.2023.1151975] [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: 01/27/2023] [Accepted: 02/13/2023] [Indexed: 02/25/2023] Open
Abstract
Introduction: Blood transfusion is widely used in clinical settings, where considerable efforts have been devoted to develop red blood cell substitutes to overcome blood shortage and safety concerns. Among the several kinds of artificial oxygen carriers, hemoglobin-based oxygen carriers are promising due to their inherent good oxygen-binding and -loading properties. However, difficulties in prone to oxidation, production of oxidative stress, and injury in organs limited their clinical utility. In this work, we report a red blood cell substitute composed of polymerized human cord hemoglobin (PolyCHb) assisted with ascorbic acid (AA) that alleviates oxidative stress for blood transfusion. Methods: In this study, the in vitro impacts of AA on the PolyCHb were evaluated by testing the circular dichroism, methemoglobin (MetHb) contents and oxygen binding affinity before and after the addition of AA. In the in vivo study, guinea pigs were subjected to a 50% exchange transfusion with PolyCHb and AA co-administration, followed by the collection of blood, urine, and kidney samples. The hemoglobin contents of the urine samples were analyzed, and histopathologic changes, lipid peroxidation, DNA peroxidation, and heme catabolic markers in the kidneys were evaluated. Results: After treating with AA, there was no effect on the secondary structure and oxygen binding affinity of the PolyCHb, while the MetHb content was kept at 55%, which was much lower than that without AA treating. Moreover, the reduction of PolyCHbFe3+ was significantly promoted, and the content of MetHb could be reduced from 100% to 51% within 3 h. In vivo study results showed that PolyCHb assisted with AA inhibited the formation of hemoglobinuria, upgraded the total antioxidant capacity and downgraded the superoxide dismutase activity of kidney tissue, and lowered the expression of biomarkers for oxidative stress, e.g., malondialdehyde (ET vs ET+AA: 4.03±0.26 μmol/mg vs 1.83±0.16 μmol/mg), 4-hydroxy-2-nonenal (ET vs ET+AA: 0.98±0.07 vs 0.57±0.04), 8-hydroxy 2 deoxyguanosine(ET vs ET+AA: 14.81±1.58 ng/ml vs 10.91±1.36 ng/ml), heme oxygenase 1 (ET vs ET+AA: 1.51±0.08 vs 1.18±0.05) and ferritin (ET vs ET+AA: 1.75±0.09 vs 1.32±0.04). The kidney histopathology results also demonstrated that kidney tissue damage was effectively alleviated. Conclusion: In conclusion, these comprehensive results provide evidence for the potential role of AA in controlling oxidative stress and organ injury in the kidneys induced by PolyCHb, and suggest that PolyCHb assisted with AA has promising application for blood transfusion.
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Affiliation(s)
- Weichen Kong
- Institute of Blood Transfusion, Chinese Academy of Medical Sciences and Peking Union Medical College, Chengdu, Sichuan, China
| | - Wentao Zhou
- Institute of Blood Transfusion, Chinese Academy of Medical Sciences and Peking Union Medical College, Chengdu, Sichuan, China
| | - Zeng He
- Hospital of Chengdu Office of People's Government of Tibetan Autonomous Region, Chengdu, Sichuan, China
| | - Xuejun Zhang
- Institute of Blood Transfusion, Chinese Academy of Medical Sciences and Peking Union Medical College, Chengdu, Sichuan, China
| | - Shen Li
- Institute of Blood Transfusion, Chinese Academy of Medical Sciences and Peking Union Medical College, Chengdu, Sichuan, China
| | - Rui Zhong
- Institute of Blood Transfusion, Chinese Academy of Medical Sciences and Peking Union Medical College, Chengdu, Sichuan, China
| | - Jiaxin Liu
- Institute of Blood Transfusion, Chinese Academy of Medical Sciences and Peking Union Medical College, Chengdu, Sichuan, China
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Shahid M, Law D, Azfaralariff A, Mackeen MM, Chong TF, Fazry S. Phytochemicals and Biological Activities of Garcinia atroviridis: A Critical Review. TOXICS 2022; 10:656. [PMID: 36355947 PMCID: PMC9692539 DOI: 10.3390/toxics10110656] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Revised: 10/07/2022] [Accepted: 10/14/2022] [Indexed: 06/16/2023]
Abstract
Garcinia atriviridis Griff ex T. Anders (G. atroviridis) is one of the well-known species of the genus Garicinia that is native to Thailand, Myanmar, Peninsular Malaysia, and India. G. atroviridis is a perennial medium-sized tree that has a wide range of values, from food to medicinal use. Different parts of G. atroviridis are a great source of bioactive substances that have a positive impact on health. The extracts or bioactive constituents from G. atroviridis have demonstrated various therapeutic functions, including antioxidant, antimicrobial, anticancer, anti-inflammatory, antihyperlipidemic, and anti-diabetic. In this paper, we provide a critical review of G. atroviridis and its bioactive constituents in the prevention and treatment of different diseases, which will provide new insight to explore its putative domains of research.
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Affiliation(s)
- Muhammad Shahid
- Department of Biological Sciences and Biotechnology, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, Bangi 43600, Malaysia
| | - Douglas Law
- Faculty of Health and Life Sciences, Inti International University, Persiaran Perdana BBN Putra Nilai, Nilai 71800, Malaysia
| | - Ahmad Azfaralariff
- Green Biopolymer, Coating and Packaging Cluster, School of Industrial Technology, Universiti Sains Malaysia, Gelugor 11800, Malaysia
| | - Mukram M. Mackeen
- Department of Chemical Sciences, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, Bangi 43600, Malaysia
- Institute of Systems Biology (INBIOSIS), Universiti Kebangsaan Malaysia, Bangi 43600, Malaysia
| | - Teek Foh Chong
- Faculty of Health and Life Sciences, Inti International University, Persiaran Perdana BBN Putra Nilai, Nilai 71800, Malaysia
| | - Shazrul Fazry
- Department of Food Sciences, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, Bangi 43600, Malaysia
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Exogenous iron impairs the anti-cancer effect of ascorbic acid both in vitro and in vivo. J Adv Res 2022; 46:149-158. [PMID: 35777727 PMCID: PMC10105075 DOI: 10.1016/j.jare.2022.06.011] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2022] [Revised: 06/18/2022] [Accepted: 06/20/2022] [Indexed: 12/11/2022] Open
Abstract
INTRODUCTION The anti-cancer effect of high concentrations of ascorbic acid (AA) has been well established while its underlying mechanisms remain unclear. The association between iron and AA has attracted great attention but was still controversial due to the complicated roles of iron in tumors. OBJECTIVES Our study aims to explore the anti-cancer mechanisms of AA and the interaction between AA and iron in cancer. METHODS The MTT and ATP assays were used to evaluate the cytotoxicity of AA. Reactive oxygen species (ROS) generation, calcium (Ca2+), and lipid peroxidation were monitored with flow cytometry. Mitochondrial dysfunction was assessed by mitochondrial membrane potential (MMP) detection with JC-1 or tetramethylrhodamine methyl ester (TMRM) staining. Mitochondrial swelling was monitored with MitoTracker Green probe. FeSO4 (Fe2+), FeCl3 (Fe3+), Ferric ammonium citrate (Fe3+), hemin chloride (Fe3+) were used as an iron donor to investigate the effects of iron on AA's anti-tumor activity. The in vivo effects of AA and iron were analyzed in xenograft zebrafish and allograft mouse models. RESULTS High concentrations of AA exhibited cytotoxicity in a panel of cancer cells. AA triggered ROS-dependent non-apoptotic cell death. AA-induced cell death was essentially mediated by the accumulated intracellular Ca2+, which was partly originated from endoplasmic reticulum (ER). Surprisingly, exogenous iron could significantly reverse AA-induced ROS generation, Ca2+ overloaded, and cell death. Especially, the iron supplements significantly impaired the in vivo anti-tumor activity of AA. CONCLUSIONS Our study elucidated the protective roles of iron in ROS/Ca2+ mediated necrosis triggered by AA both in vitro and in vivo, which might shed novel insight into the anti-cancer mechanisms and provide clinical application strategies for AA in cancer treatment.
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Dissanayake IH, Zak V, Kaur K, Jaye K, Ayati Z, Chang D, Li CG, Bhuyan DJ. Australian native fruits and vegetables: Chemical composition, nutritional profile, bioactivity and potential valorization by industries. Crit Rev Food Sci Nutr 2022; 63:8511-8544. [PMID: 35491610 DOI: 10.1080/10408398.2022.2057913] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Australian native plants have adapted themselves to harsh climatic conditions enabling them to produce unique and high levels of secondary metabolites. Native fruits and vegetables have been an integral part of the Indigenous Australian diet and Bush medicine for centuries. They have recently gained popularity owing to their rich dietary fiber, minerals, polyphenolic and antioxidant contents. This review presents a comprehensive summary and critical assessment of the studies performed in the last few decades to understand the phytochemical and nutritional profiles and therapeutic properties of Australian native fruits and vegetables. Furthermore, the potential of these fruits and vegetables as functional food ingredients and in the prevention and treatment of different diseases is discussed. Research on the nutritional and phytochemical profiles and therapeutic activity of Australian vegetables is limited with most studies focused on native fruits. These fruits have demonstrated promising antioxidant, anticancer, anti-inflammatory and antimicrobial activities mostly in in vitro models. More research to a) identify novel bioactive compounds, b) define optimal post-harvest and extraction methods, and c) understand molecular mechanisms of pharmacological activity through preclinical and clinical studies is prudent for the prospective and wider use of Australian native fruits and vegetables by the food, pharmaceutical, and nutraceutical industries.
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Affiliation(s)
| | - Valeria Zak
- School of Science, Western Sydney University, Campbelltown, NSW, Australia
| | - Kirandeep Kaur
- NICM Health Research Institute, Western Sydney University, Penrith, NSW, Australia
| | - Kayla Jaye
- NICM Health Research Institute, Western Sydney University, Penrith, NSW, Australia
| | - Zahra Ayati
- NICM Health Research Institute, Western Sydney University, Penrith, NSW, Australia
| | - Dennis Chang
- NICM Health Research Institute, Western Sydney University, Penrith, NSW, Australia
| | - Chun Guang Li
- NICM Health Research Institute, Western Sydney University, Penrith, NSW, Australia
| | - Deep Jyoti Bhuyan
- NICM Health Research Institute, Western Sydney University, Penrith, NSW, Australia
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18
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Li P, Chen X, Wu G, Wang Z, Huang C. Ascorbic Acid Sensor Based on CdS QDs@PDA Fluorescence Resonance Energy Transfer. Molecules 2022; 27:molecules27072097. [PMID: 35408497 PMCID: PMC9000657 DOI: 10.3390/molecules27072097] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Revised: 03/18/2022] [Accepted: 03/20/2022] [Indexed: 12/10/2022] Open
Abstract
An ascorbic acid (AA) sensor was constructed based on the fluorescence resonance energy transfer (FRET) between CdS quantum dots (CdS QDs) and polydopamine (PDA) to detect trace AA sensitively. FRET occurred due to the broad absorption spectrum of PDA completely overlapped with the narrow emission spectrum of CdS QDs. The fluorescence of CdS QDs was quenched and in the "off" state. When AA was present, the conversion of DA to PDA was hindered and the FRET disappeared, resulting in the fluorescence of CdS QDs in an "on" state. Importantly, the degree of fluorescence recovery of CdS QDs displayed a desirable linear correlation with the concentration of AA in the range of 5.0-100.0 μmol/L, the linear equation is y=0.0119cAA+0.3113, and the detection limit is 1.16 μmol/L (S/N = 3, n = 9). There was almost no interference with common amino acid, glucose and biological sulfhydryl small molecules to AA. Trace amount of AA in vitamin C tablets were determined and satisfactory results were obtained; the recoveries were observed to be 98.01-100.7%.
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Affiliation(s)
- Pu Li
- College of Chemistry and Life Science, Zhejiang Normal University, Jinhua 321004, China; (P.L.); (X.C.)
| | - Xiaoxiao Chen
- College of Chemistry and Life Science, Zhejiang Normal University, Jinhua 321004, China; (P.L.); (X.C.)
| | - Gaojun Wu
- Xingzhi College, Zhejiang Normal University, Jinhua 321004, China; (G.W.); (Z.W.)
| | - Zhe Wang
- Xingzhi College, Zhejiang Normal University, Jinhua 321004, China; (G.W.); (Z.W.)
| | - Chaobiao Huang
- College of Chemistry and Life Science, Zhejiang Normal University, Jinhua 321004, China; (P.L.); (X.C.)
- Xingzhi College, Zhejiang Normal University, Jinhua 321004, China; (G.W.); (Z.W.)
- Correspondence:
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Fatima I, Rahdar A, Sargazi S, Barani M, Hassanisaadi M, Thakur VK. Quantum Dots: Synthesis, Antibody Conjugation, and HER2-Receptor Targeting for Breast Cancer Therapy. J Funct Biomater 2021; 12:75. [PMID: 34940554 PMCID: PMC8708439 DOI: 10.3390/jfb12040075] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2021] [Revised: 12/08/2021] [Accepted: 12/13/2021] [Indexed: 12/13/2022] Open
Abstract
Breast cancer is becoming one of the main lethal carcinomas in the recent era, and its occurrence rate is increasing day by day. There are different breast cancer biomarkers, and their overexpression takes place in the metastasis of cancer cells. The most prevalent breast cancer biomarker is the human epidermal growth factor receptor2 (HER2). As this biomarker is overexpressed in malignant breast tissues, it has become the main focus in targeted therapies to fight breast cancer. There is a cascade of mechanisms involved in metastasis and cell proliferation in cancer cells. Nanotechnology has become extremely advanced in targeting and imaging cancerous cells. Quantum dots (QDs) are semiconductor NPs, and they are used for bioimaging, biolabeling, and biosensing. They are synthesized by different approaches such as top-down, bottom-up, and synthetic methods. Fully human monoclonal antibodies synthesized using transgenic mice having human immunoglobulin are used to target malignant cells. For the HER2 receptor, herceptin® (trastuzumab) is the most specific antibody (Ab), and it is conjugated with QDs by using different types of coupling mechanisms. This quantum dot monoclonal antibody (QD-mAb) conjugate is localized by injecting it into the blood vessel. After the injection, it goes through a series of steps to reach the intracellular space, and bioimaging of specifically the HER2 receptor occurs, where apoptosis of the cancer cells takes place either by the liberation of Ab or the free radicals.
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Affiliation(s)
- Iqra Fatima
- Department of Pharmacy, Quaid-i-Azam University, Islamabad 45320, Pakistan;
| | - Abbas Rahdar
- Department of Physics, University of Zabol, Zabol 98613-35856, Iran
| | - Saman Sargazi
- Cellular and Molecular Research Center, Research Institute of Cellular and Molecular Sciences in Infectious Diseases, Zahedan University of Medical Sciences, Zahedan 98167-43463, Iran;
| | - Mahmood Barani
- Medical Mycology and Bacteriology Research Center, Kerman University of Medical Sciences, Kerman 76169-13555, Iran; (M.B.); (M.H.)
| | - Mohadeseh Hassanisaadi
- Medical Mycology and Bacteriology Research Center, Kerman University of Medical Sciences, Kerman 76169-13555, Iran; (M.B.); (M.H.)
- Department of Plant Protection, Shahid Bahonar University of Kerman, Kerman 76184-11764, Iran
| | - Vijay Kumar Thakur
- Biorefining and Advanced Materials Research Center, SRUC, Edinburgh EH9 3JG, UK
- School of Engineering, University of Petroleum & Energy Studies (UPES), Dehradun 248007, Uttarakhand, India
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Merlin JJ, Dellaire G, Murphy K, Rupasinghe HV. Vitamin-Containing Antioxidant Formulation Reduces Carcinogen-Induced DNA Damage through ATR/Chk1 Signaling in Bronchial Epithelial Cells In Vitro. Biomedicines 2021; 9:1665. [PMID: 34829893 PMCID: PMC8615515 DOI: 10.3390/biomedicines9111665] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2021] [Revised: 11/02/2021] [Accepted: 11/09/2021] [Indexed: 01/16/2023] Open
Abstract
Lung cancer has the highest mortality rate worldwide and is often diagnosed at late stages, requiring genotoxic chemotherapy with significant side effects. Cancer prevention has become a major focus, including the use of dietary and supplemental antioxidants. Thus, we investigated the ability of an antioxidant formulation (AOX1) to reduce DNA damage in human bronchial epithelial cells (BEAS-2B) with and without the combination of apple peel flavonoid fraction (AF4), or its major constituent quercetin (Q), or Q-3-O-d-glucoside (Q3G) in vitro. To model smoke-related genotoxicity, we used cigarette-smoke hydrocarbon 4-[(acetoxymethyl)nitrosamino]-1-(3-pyridyl)-1-butanone (NNKOAc) as well as methotrexate (MTX) to induce DNA damage in BEAS-2B cells. DNA fragmentation, γ-H2AX immunofluorescence, and comet assays were used as indicators of DNA damage. Pre-exposure to AOX1 alone or in combination with AF4, Q, or Q3G before challenging with NNKOAc and MTX significantly reduced intracellular reactive oxygen species (ROS) levels and DNA damage in BEAS-2B cells. Although NNKOAc-induced DNA damage activated ATM-Rad3-related (ATR) and Chk1 kinase in BEAS-2B cells, pre-exposure of the cells with tested antioxidants prior to carcinogen challenge significantly reduced their activation and levels of γ-H2AX (p ≤ 0.05). Therefore, AOX1 alone or combined with flavonoids holds promise as a chemoprotectant by reducing ROS and DNA damage to attenuate activation of ATR kinase following carcinogen exposure.
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Affiliation(s)
- J.P. Jose Merlin
- Department of Plant, Food, and Environmental Sciences, Faculty of Agriculture, Dalhousie University, Truro, NS B2N 5E3, Canada;
| | - Graham Dellaire
- Department of Pathology, Faculty of Medicine, Dalhousie University, Halifax, NS B3H 1X5, Canada;
| | - Kieran Murphy
- Department of Medical Imaging, Faculty of Medicine, University of Toronto, Toronto, ON M5T 2S8, Canada;
| | - H.P. Vasantha Rupasinghe
- Department of Plant, Food, and Environmental Sciences, Faculty of Agriculture, Dalhousie University, Truro, NS B2N 5E3, Canada;
- Department of Pathology, Faculty of Medicine, Dalhousie University, Halifax, NS B3H 1X5, Canada;
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