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Mesgari M, Matin MM, Goharshadi EK, Mashreghi M. Biogenesis of bacterial cellulose/xanthan/CeO 2NPs composite films for active food packaging. Int J Biol Macromol 2024; 273:133091. [PMID: 38878924 DOI: 10.1016/j.ijbiomac.2024.133091] [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: 03/08/2024] [Revised: 06/02/2024] [Accepted: 06/09/2024] [Indexed: 06/21/2024]
Abstract
The increasing significance of biopolymer-based food packaging can be attributed to its biodegradability and independence from petroleum-derived materials. Concurrently, metal oxide nanoparticles (NPs) have gained prominence as effective antimicrobial agents against both wild-type and antibiotic-resistant microbes. In this study, cerium oxide or ceria, CeO2, nanoparticles with an average diameter of 50 nm were synthesized via a green method utilizing Vibrio sp. VLC cell lysate supernatant. The synthesized CeO2 NPs displayed remarkable antimicrobial properties, inhibiting the growth of Escherichia coli and Staphylococcus aureus by 93.7 % and 98 %, respectively. To enhance the potential of bacterial cellulose (BC) for advanced applications, we developed a BC/xanthan/CeO2 nanocomposite using both ex situ and in situ techniques. The integration of CeO2 NPs within the nanocomposite structure not only improved the inherent properties of BC, but also rendered it suitable for use in active food packaging systems. The nanocomposite exhibited no significant cytotoxicity on the human dermal fibroblast (HDF) cells, confirming its safety. Nanocomposites containing biogenically synthesized CeO2 NPs demonstrated exceptional efficacy for reducing microbial contamination. Bread samples coated with nanocomposite films displayed no signs of microbial growth. These results support the application of BC/xanthan/CeO2 nanocomposites as suitable and effective coating materials for antimicrobial food packaging applications.
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Affiliation(s)
- Mohammad Mesgari
- Department of Biology, Faculty of Science, Ferdowsi University of Mashhad, Mashhad 9177948974, Iran
| | - Maryam M Matin
- Department of Biology, Faculty of Science, Ferdowsi University of Mashhad, Mashhad 9177948974, Iran; Novel Diagnostics and Therapeutics Research Group, Institute of Biotechnology, Ferdowsi University of Mashhad, Mashhad, Iran
| | - Elaheh K Goharshadi
- Center of Nano Research, Ferdowsi University of Mashhad, Mashhad 9177948974, Iran; Department of Chemistry, Faculty of Science, Ferdowsi University of Mashhad, Mashhad 9177948974, Iran
| | - Mansour Mashreghi
- Department of Biology, Faculty of Science, Ferdowsi University of Mashhad, Mashhad 9177948974, Iran; Industrial Biotechnology Research Group, Institute of Biotechnology, Ferdowsi University of Mashhad, Mashhad, Iran; Center of Nano Research, Ferdowsi University of Mashhad, Mashhad 9177948974, Iran.
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2
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Bai Y, Li Y, Li Y, Tian L. Advanced Biological Applications of Cerium Oxide Nanozymes in Disease Related to Oxidative Damage. ACS OMEGA 2024; 9:8601-8614. [PMID: 38434816 PMCID: PMC10905716 DOI: 10.1021/acsomega.3c03661] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Revised: 09/12/2023] [Accepted: 01/26/2024] [Indexed: 03/05/2024]
Abstract
Due to their excellent catalytic activities, cerium oxide nanoparticles have promise as biological nanoenzymes. A redox reaction occurs between Ce3+ ions and Ce4+ ions during which they undergo conversion by acquiring or losing electrons as well as forming oxygen vacancies (or defects) in the lattice structure, which can act as antioxidant enzymes and simulate various enzyme activities. A number of cerium oxide nanoparticles have been engineered with multienzyme activities, including catalase, superoxide oxidase, peroxidase, and oxidase mimetic properties. Cerium oxide nanoparticles have nitric oxide radical clearing and radical scavenging properties and have been widely used in a number of fields of biology, including biomedicine, disease diagnosis, and treatment. This review provides a comprehensive introduction to the catalytic mechanisms and multiple enzyme activities of cerium oxide nanoparticles, along with their potential applications in the treatment of diseases of the brain, bones, nerves, and blood vessels.
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Affiliation(s)
- Yandong Bai
- Tianjin
Union Medical Center, No. 190 Jieyuan Road, Hongqiao District, Tianjin 300121, China
| | - Yongmei Li
- NHC
Key Laboratory of Hormones and Development, Tianjin Key Laboratory
of Metabolic Diseases, Chu Hsien-I Memorial Hospital & Tianjin
Institute of Endocrinology, Tianjin Medical
University, No. 6 Huanrui North Road, Ruijing Street, Beichen District, Tianjin 300134, China
| | - Yuemei Li
- Xiamen
Key Laboratory of Cardiovascular Disease, Xiamen Cardiovascular Hospital
of Xiamen University, School of Medicine, Xiamen University, Xiamen 361012, China
| | - Lijie Tian
- NHC
Key Laboratory of Hormones and Development, Tianjin Key Laboratory
of Metabolic Diseases, Chu Hsien-I Memorial Hospital & Tianjin
Institute of Endocrinology, Tianjin Medical
University, No. 6 Huanrui North Road, Ruijing Street, Beichen District, Tianjin 300134, China
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Singh R, Kumawat M, Gogoi H, Madhyastha H, Lichtfouse E, Daima HK. Engineered Nanomaterials for Immunomodulation: A Review. ACS APPLIED BIO MATERIALS 2024; 7:727-751. [PMID: 38166376 DOI: 10.1021/acsabm.3c00940] [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: 01/04/2024]
Abstract
The immune system usually provides a defense against invading pathogenic microorganisms and any other particulate contaminants. Nonetheless, it has been recently reported that nanomaterials can evade the immune system and modulate immunological responses due to their unique physicochemical characteristics. Consequently, nanomaterial-based activation of immune components, i.e., neutrophils, macrophages, and other effector cells, may induce inflammation and alter the immune response. Here, it is essential to distinguish the acute and chronic modulations triggered by nanomaterials to determine the possible risks to human health. Nanomaterials size, shape, composition, surface charge, and deformability are factors controlling their uptake by immune cells and the resulting immune responses. The exterior corona of molecules adsorbed over nanomaterials surfaces also influences their immunological effects. Here, we review current nanoengineering trends for targeted immunomodulation with an emphasis on the design, safety, and potential toxicity of nanomaterials. First, we describe the characteristics of engineered nanomaterials that trigger immune responses. Then, the biocompatibility and immunotoxicity of nanoengineered particles are debated, because these factors influence applications. Finally, future nanomaterial developments in terms of surface modifications, synergistic approaches, and biomimetics are discussed.
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Affiliation(s)
| | - Mamta Kumawat
- Department of Biotechnology, School of Sciences, JECRC University, Sitapura Extension, Jaipur 303905, Rajasthan, India
| | - Himanshu Gogoi
- Translational Health Science and Technology Institute, NCR Biotech Science Cluster, Faridabad 121001, India
| | - Harishkumar Madhyastha
- Department of Cardiovascular Physiology, University of Miyazaki, Miyazaki 8891692, Japan
| | - Eric Lichtfouse
- State Key Laboratory of Multiphase Flow in Power Engineering, Xi'an Jiaotong University Xi'an, Shaanxi 710049, China
| | - Hemant Kumar Daima
- Department of Biochemistry, School of Life Sciences, Central University of Rajasthan, Bandarsindari 305817, Ajmer, India
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Yang Y, Bustani GS, Alawsi T, Altalbawy FMA, Kareem AK, Gupta J, Zhu P, Hjazi A, Alawadi AH, Mustafa YF. The cardioprotective effects of cerium oxide nanoparticles against the poisoning generated by aluminum phosphide pesticide: Controlling oxidative stress and mitochondrial damage. PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY 2023; 197:105701. [PMID: 38072556 DOI: 10.1016/j.pestbp.2023.105701] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/18/2023] [Revised: 11/06/2023] [Accepted: 11/16/2023] [Indexed: 12/18/2023]
Abstract
BACKGROUND Aluminum phosphide (AlP) is a well-known toxic compound used as an agricultural pesticide to prevent insect damage to stored crops. However, even if just a small amount was consumed, it caused lasting harm to the human body and, in acute concentrations, death. The current study employed cerium oxide nanoparticles (CeO2 NPs) to reduce oxidative stress and various harmful outcomes of AlP poisoning. METHODS Following finding effective concentrations of CeO2 NPs via MTT assay, Human Cardiac Myocyte (HCM) cells were pre-treated with CeO2 NPs for 24 h. After that, they were exposed to 2.36 μM AlP. The activity of oxidative stress and mitochondrial biomarkers, including mitochondrial swelling, mitochondrial membrane potential, and cytochrome c release, were evaluated in HCM cells. Finally, the population of apoptotic and necrotic cells was assessed via flow cytometry. RESULTS After 24 h, data revealed that all tested concentrations of CeO2 NPs were safe, and 25 and 50 μM of that were selected as effective concentrations. Oxidative stress markers (malondialdehyde, protein carbonyl, superoxide dismutase, and catalase) showed that CeO2 NPs could successfully decrease AlP poisoning due to their antioxidant characteristics. Mitochondrial markers were also recovered by pre-treatment of HCM cells with CeO2 NPs. Furthermore, pre-treating with CeO2 NPs could compensate for the reduction of live cells with AlP and cause a diminishing in the population of early and late apoptotic cells. CONCLUSION As a result, it is evident that CeO2 NPs, through the recovery of oxidative stress and mitochondrial damages caused by AlP, reduce apoptosis and have therapeutic potentials on HCM cells.
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Affiliation(s)
- Yongzheng Yang
- The Fourth Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, China
| | | | - Taif Alawsi
- Scientific Research Center, Al-Ayen University, Thi-Qar, Iraq
| | - Farag M A Altalbawy
- National Institute of Laser Enhanced Sciences (NILES), University of Cairo, Giza 12613, Egypt
| | - Ali Kamil Kareem
- Biomedical Engineering Department, College of Engineering and Technologies, Al-Mustaqbal University, Hillah, Iraq
| | - Jitendra Gupta
- Institute of Pharmaceutical Research, GLA University, Mathura 281406, U. P., India
| | - Ping Zhu
- The Second School of Clinical Medicine, Southern Medical University, Guangzhou, China; Guangdong Cardiovascular Institute, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China.
| | - Ahmed Hjazi
- Department of Medical Laboratory Sciences, College of Applied Medical Sciences, Prince Sattam bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia
| | | | - Yasser Fakri Mustafa
- Department of Pharmaceutical Chemistry, College of Pharmacy, University of Mosul, Mosul 41001, Iraq
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Umezawa M, Itano R, Sakaguchi N, Kawasaki T. Infrared spectroscopy analysis determining secondary structure change in albumin by cerium oxide nanoparticles. FRONTIERS IN TOXICOLOGY 2023; 5:1237819. [PMID: 37818288 PMCID: PMC10561088 DOI: 10.3389/ftox.2023.1237819] [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: 06/10/2023] [Accepted: 09/13/2023] [Indexed: 10/12/2023] Open
Abstract
Cerium oxide (CeO2) nanoparticles are expected to have applications in the biomedical field because of their antioxidative properties. Inorganic nanoparticles interact with proteins at the nanoparticle surface and change their conformation when administered; however, the principle underlying this interaction is still unclear. This study aimed to investigate the secondary structural changes occurring in bovine serum albumin (BSA) mixed with CeO2 nanoparticles having different surface modifications using Fourier transform infrared spectroscopy. CeO2 nanoparticles (diameter: 240 nm) were synthesized from an aqueous cerium (III) nitrate solution using a homogeneous precipitation method. The surfaces of the nanoparticles were modified by the catechol compounds dopamine and 3,4-dihydroxyhydrocinnamic acid (DHCA). In the presence of these CeO2 nanoparticles (0.11-0.43 mg/mL), β-sheet formation of BSA (30 mg/mL) was promoted especially on the amine-modified (positively charged) nanoparticles. The local concentration of BSA on the surface of the positively charged nanoparticles may have resulted in structural changes due to electrostatic and other interactions with BSA. Further investigations of the interaction mechanism between nanoparticles and proteins are expected to lead to the safe biomedical applications of inorganic nanoparticles.
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Affiliation(s)
- Masakazu Umezawa
- Department of Medical and Robotic Engineering Design, Faculty of Advanced Engineering, Tokyo University of Science, Tokyo, Japan
- Department of Materials Science and Technology, Graduate School of Advanced Engineering, Tokyo University of Science, Tokyo, Japan
| | - Ryodai Itano
- Department of Materials Science and Technology, Graduate School of Advanced Engineering, Tokyo University of Science, Tokyo, Japan
| | - Naoya Sakaguchi
- Department of Materials Science and Technology, Graduate School of Advanced Engineering, Tokyo University of Science, Tokyo, Japan
| | - Takayasu Kawasaki
- Accelerator Laboratory, High Energy Accelerator Research Organization, Tsukuba, Japan
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Singh S, Rai N, Tiwari H, Gupta P, Verma A, Kumar R, Kailashiya V, Salvi P, Gautam V. Recent Advancements in the Formulation of Nanomaterials-Based Nanozymes, Their Catalytic Activity, and Biomedical Applications. ACS APPLIED BIO MATERIALS 2023; 6:3577-3599. [PMID: 37590090 DOI: 10.1021/acsabm.3c00253] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/19/2023]
Abstract
Nanozymes are nanoparticles with intrinsic enzyme-mimicking properties that have become more prevalent because of their ability to outperform conventional enzymes by overcoming their drawbacks related to stability, cost, and storage. Nanozymes have the potential to manipulate active sites of natural enzymes, which is why they are considered promising candidates to function as enzyme mimetics. Several microscopy- and spectroscopy-based techniques have been used for the characterization of nanozymes. To date, a wide range of nanozymes, including catalase, oxidase, peroxidase, and superoxide dismutase, have been designed to effectively mimic natural enzymes. The activity of nanozymes can be controlled by regulating the structural and morphological aspects of the nanozymes. Nanozymes have multifaceted benefits, which is why they are exploited on a large scale for their application in the biomedical sector. The versatility of nanozymes aids in monitoring and treating cancer, other neurodegenerative diseases, and metabolic disorders. Due to the compelling advantages of nanozymes, significant research advancements have been made in this area. Although a wide range of nanozymes act as potent mimetics of natural enzymes, their activity and specificities are suboptimal, and there is still room for their diversification for analytical purposes. Designing diverse nanozyme systems that are sensitive to one or more substrates through specialized techniques has been the subject of an in-depth study. Hence, we believe that stimuli-responsive nanozymes may open avenues for diagnosis and treatment by fusing the catalytic activity and intrinsic nanomaterial properties of nanozyme systems.
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Affiliation(s)
- Swati Singh
- Centre of Experimental Medicine and Surgery, Institute of Medical Sciences, Banaras Hindu University, Varanasi 221005, India
| | - Nilesh Rai
- Centre of Experimental Medicine and Surgery, Institute of Medical Sciences, Banaras Hindu University, Varanasi 221005, India
| | - Harshita Tiwari
- Centre of Experimental Medicine and Surgery, Institute of Medical Sciences, Banaras Hindu University, Varanasi 221005, India
| | - Priyamvada Gupta
- Centre of Experimental Medicine and Surgery, Institute of Medical Sciences, Banaras Hindu University, Varanasi 221005, India
| | - Ashish Verma
- Centre of Experimental Medicine and Surgery, Institute of Medical Sciences, Banaras Hindu University, Varanasi 221005, India
| | - Rajiv Kumar
- Centre of Experimental Medicine and Surgery, Institute of Medical Sciences, Banaras Hindu University, Varanasi 221005, India
| | - Vikas Kailashiya
- Department of Pathology, Institute of Medical Sciences, Banaras Hindu University, Varanasi 221005, Uttar Pradesh, India
| | - Prafull Salvi
- Agriculture Biotechnology Department, National Agri-Food Biotechnology Institute, Sahibzada Ajit Singh Nagar 140306, India
| | - Vibhav Gautam
- Centre of Experimental Medicine and Surgery, Institute of Medical Sciences, Banaras Hindu University, Varanasi 221005, India
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7
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Corsi F, Di Meo E, Lulli D, Deidda Tarquini G, Capradossi F, Bruni E, Pelliccia A, Traversa E, Dellambra E, Failla CM, Ghibelli L. Safe-Shields: Basal and Anti-UV Protection of Human Keratinocytes by Redox-Active Cerium Oxide Nanoparticles Prevents UVB-Induced Mutagenesis. Antioxidants (Basel) 2023; 12:antiox12030757. [PMID: 36979005 PMCID: PMC10045349 DOI: 10.3390/antiox12030757] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 03/16/2023] [Accepted: 03/18/2023] [Indexed: 03/22/2023] Open
Abstract
Cerium oxide nanoparticles (nanoceria), biocompatible multifunctional nanozymes exerting unique biomimetic activities, mimic superoxide-dismutase and catalase through a self-regenerating, energy-free redox cycle driven by Ce3+/4+ valence switch. Additional redox-independent UV-filter properties render nanoceria ideal multitask solar screens, shielding from UV exposure, simultaneously protecting tissues from UV-oxidative damage. Here, we report that nanoceria favour basal proliferation of primary normal keratinocytes, and protects them from UVB-induced DNA damage, mutagenesis, and apoptosis, minimizing cell loss and accelerating recovery with flawless cells. Similar cell-protective effects were found on irradiated noncancerous, but immortalized, p53-null HaCaT keratinocytes, with the notable exception that here, nanoceria do not accelerate basal HaCaT proliferation. Notably, nanoceria protect HaCaT from oxidative stress induced by irradiated titanium dioxide nanoparticles, a major active principle of commercial UV-shielding lotions, thus neutralizing their most critical side effects. The intriguing combination of nanoceria multiple beneficial properties opens the way for smart and safer containment measures of UV-induced skin damage and carcinogenesis.
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Affiliation(s)
- Francesca Corsi
- Department of Biology, University of Rome Tor Vergata, 00133 Rome, Italy
- Department of Chemical Science and Technologies, University of Rome Tor Vergata, 00133 Rome, Italy
| | - Erika Di Meo
- Department of Biology, University of Rome Tor Vergata, 00133 Rome, Italy
| | - Daniela Lulli
- Experimental Immunology Laboratory, IDI-IRCCS, 00167 Rome, Italy
| | - Greta Deidda Tarquini
- Department of Biology, University of Rome Tor Vergata, 00133 Rome, Italy
- Department of Chemical Science and Technologies, University of Rome Tor Vergata, 00133 Rome, Italy
| | - Francesco Capradossi
- Department of Biology, University of Rome Tor Vergata, 00133 Rome, Italy
- Correspondence: (F.C.); (L.G.); Tel.: +39-06-7259-4218 (L.G.)
| | - Emanuele Bruni
- Experimental Immunology Laboratory, IDI-IRCCS, 00167 Rome, Italy
| | - Andrea Pelliccia
- Department of Biology, University of Rome Tor Vergata, 00133 Rome, Italy
- Department of Chemical Science and Technologies, University of Rome Tor Vergata, 00133 Rome, Italy
| | - Enrico Traversa
- Department of Chemical Science and Technologies, University of Rome Tor Vergata, 00133 Rome, Italy
| | - Elena Dellambra
- Molecular and Cell Biology Laboratory, IDI-IRCCS, 00167 Rome, Italy
| | | | - Lina Ghibelli
- Department of Biology, University of Rome Tor Vergata, 00133 Rome, Italy
- Correspondence: (F.C.); (L.G.); Tel.: +39-06-7259-4218 (L.G.)
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8
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Xie C, Li X, Hei L, Chen Y, Dong Y, Zhang S, Ma S, Xu J, Pang Q, Lynch I, Guo Z, Zhang P. Toxicity of ceria nanoparticles to the regeneration of freshwater planarian Dugesia japonica: The role of biotransformation. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 857:159590. [PMID: 36270358 DOI: 10.1016/j.scitotenv.2022.159590] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Revised: 08/18/2022] [Accepted: 10/16/2022] [Indexed: 06/16/2023]
Abstract
Cerium oxide nanoparticles (n-CeO2) have wide applications ranging from industrial to consumer products, which would inevitably lead to their release into the environment. Despite the toxicity of n-CeO2 on aquatic organisms has been largely reported, research on developing organisms is still lacking. In this study, we investigate the toxic effects of n-CeO2 on the stem cells, tissue- and neuro-regeneration, using freshwater planarian Dugesia japonica as a model. Effects of bulk sized (μ-) CeO2 and ionic Ce (Ce3+) were compared with that of n-CeO2 to explore the origin of the toxic effects of n-CeO2. No overt toxicity was observed in μ-CeO2 treatment. n-CeO2 not only impaired the homeostasis of normal planarians, but also inhibited the regeneration processes of regenerated planarians, demonstrated by the inhibited blastema growth, disturbed antioxidant defense system at molecular levels, elevated DNA-damage and decreased stem cell proliferation. Regenerating organisms are more susceptible to n-CeO2 than the normal ones. Ce3+ exhibited significantly higher toxicity than n-CeO2, even though the total Ce uptake is 0.2 % less in Ce3+ than in n-CeO2 treated in planarian. X-ray absorption near edge spectroscopy (XANES) analysis revealed that 12.8 % of n-CeO2 (5.95 mg/kg Ce per planarian) was transformed to Ce3+ after interaction with planarian, suggesting that biotransformation at the nano-bio interface might play an important role in the observed toxicity. Since the biotransformation of n-CeO2 is a slow process, it may cause long-term chronic toxicity to planarians due to the slow while sustained release of toxic Ce3+ ions.
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Affiliation(s)
- Changjian Xie
- School of life Sciences and medicine, Shandong University of Technology, Zibo 255000, Shandong, China.
| | - Xiaowei Li
- School of life Sciences and medicine, Shandong University of Technology, Zibo 255000, Shandong, China
| | - Lisha Hei
- School of life Sciences and medicine, Shandong University of Technology, Zibo 255000, Shandong, China
| | - Yiqing Chen
- School of life Sciences and medicine, Shandong University of Technology, Zibo 255000, Shandong, China
| | - Yuling Dong
- School of life Sciences and medicine, Shandong University of Technology, Zibo 255000, Shandong, China
| | - Shujing Zhang
- School of life Sciences and medicine, Shandong University of Technology, Zibo 255000, Shandong, China
| | - Shan Ma
- Zibo Environment Monitoring Center, Zibo 25500, Shandong, China
| | - Jianing Xu
- School of life Sciences and medicine, Shandong University of Technology, Zibo 255000, Shandong, China
| | - Qiuxiang Pang
- School of life Sciences and medicine, Shandong University of Technology, Zibo 255000, Shandong, China.
| | - Iseult Lynch
- School of Geography, Earth & Environmental Sciences, University of Birmingham, Edgbaston, Birmingham B15 2TT, United Kingdom
| | - Zhiling Guo
- School of Geography, Earth & Environmental Sciences, University of Birmingham, Edgbaston, Birmingham B15 2TT, United Kingdom.
| | - Peng Zhang
- School of Geography, Earth & Environmental Sciences, University of Birmingham, Edgbaston, Birmingham B15 2TT, United Kingdom; Department of Environmental Science and Engineering, University of Science and Technology of China, Hefei 230026, China
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9
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Bhagat S, Singh S. Nanominerals in nutrition: Recent developments, present burning issues and future perspectives. Food Res Int 2022; 160:111703. [DOI: 10.1016/j.foodres.2022.111703] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2022] [Revised: 07/01/2022] [Accepted: 07/15/2022] [Indexed: 11/04/2022]
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10
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Maciejewski R, Radzikowska-Büchner E, Flieger W, Kulczycka K, Baj J, Forma A, Flieger J. An Overview of Essential Microelements and Common Metallic Nanoparticles and Their Effects on Male Fertility. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph191711066. [PMID: 36078782 PMCID: PMC9518444 DOI: 10.3390/ijerph191711066] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Revised: 09/01/2022] [Accepted: 09/02/2022] [Indexed: 05/17/2023]
Abstract
Numerous factors affect reproduction, including stress, diet, obesity, the use of stimulants, or exposure to toxins, along with heavy elements (lead, silver, cadmium, uranium, vanadium, mercury, arsenic). Metals, like other xenotoxins, can cause infertility through, e.g., impairment of endocrine function and gametogenesis or excess production of reactive oxygen species (ROS). The advancement of nanotechnology has created another hazard to human safety through exposure to metals in the form of nanomaterials (NMs). Nanoparticles (NPs) exhibit a specific ability to penetrate cell membranes and biological barriers in the human body. These ultra-fine particles (<100 nm) can enter the human body through the respiratory tract, food, skin, injection, or implantation. Once absorbed, NPs are transported to various organs through the blood or lymph. Absorbed NPs, thanks to ultrahigh reactivity compared to bulk materials in microscale size, disrupt the homeostasis of the body as a result of interaction with biological molecules such as DNA, lipids, and proteins; interfering with the functioning of cells, organs, and physiological systems; and leading to severe pathological dysfunctions. Over the past decades, much research has been performed on the reproductive effects of essential trace elements. The research hypothesis that disturbances in the metabolism of trace elements are one of the many causes of infertility has been unquestionably confirmed. This review examines the complex reproductive risks for men regarding the exposure to potentially harmless xenobiotics based on a series of 298 articles over the past 30 years. The research was conducted using PubMed, Web of Science, and Scopus databases searching for papers devoted to in vivo and in vitro studies related to the influence of essential elements (iron, selenium, manganese, cobalt, zinc, copper, and molybdenum) and widely used metallic NPs on male reproduction potential.
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Affiliation(s)
| | | | - Wojciech Flieger
- Department of Anatomy, Medical University of Lublin, 20-090 Lublin, Poland
| | - Kinga Kulczycka
- Institute of Health Sciences, John Paul II Catholic University of Lublin, 20-708 Lublin, Poland
| | - Jacek Baj
- Department of Anatomy, Medical University of Lublin, 20-090 Lublin, Poland
| | - Alicja Forma
- Department of Forensic Medicine, Medical University of Lublin, ul. Jaczewskiego 8B, 20-090 Lublin, Poland
| | - Jolanta Flieger
- Department of Analytical Chemistry, Medical University of Lublin, Chodźki 4A, 20-093 Lublin, Poland
- Correspondence: ; Tel.: +48-81448-7182
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Al Rashaideh T, Metwali N, Perry SS, Adamcakova-Dodd A, Thorne PS. Cerium Oxide Enhances the Toxicity of Zinc Oxide Nanoparticles in Human Lung Epithelial Cell Cultures. TOXICS 2022; 10:522. [PMID: 36136487 PMCID: PMC9502999 DOI: 10.3390/toxics10090522] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Revised: 08/25/2022] [Accepted: 08/29/2022] [Indexed: 06/16/2023]
Abstract
Recently, many approaches have been developed to improve the performance of nanomaterials. Combining more than one nanomaterial is one such approach that achieves superior results. However, during the fabrication of nanomaterials or formulation of end products, materials can be released into the ambient air and be inhaled by workers. The adverse health outcomes of inhaling such compounds are unknown. In this study, we examined such effects in combining two of the most utilized nanomaterials in several industrial sectors: zinc oxide (ZnO) and cerium oxide (CeO2). These materials can be found together in sunscreens, polyvinyl alcohol (PVA) films, and construction products. The aim of this study was to assess the adverse biological outcomes of CeO2-ZnO nano-mixtures in human lung epithelial cells. A549 human lung epithelial cells were treated with increasing concentrations of ZnO or CeO2 NPs alone, or as a mixture of both, under submerged conditions for 24 h. After treatment, cell viability, reactive oxygen species (ROS) formation, cell membrane integrity, and cytokine production were examined. ZnO NPs showed a dose-dependent trend for all endpoints. CeO2 NPs did not exhibit any toxic effect in any individual concentrations. When higher doses of ZnO were combined with increasing doses of CeO2, loss of cell viability and an elevation in cell membrane leakage were observed. Interleukin 8 (IL-8) and ROS generation were higher when ZnO NPs were combined with CeO2 NPs, compared to cells that were treated with ZnO alone. The release of monocyte chemoattractant protein-1 (MCP-1) was reduced in the cells that were treated with higher doses of ZnO and CeO2. Thus, the presence of CeO2 enhanced the toxicity of ZnO in A549 cells at non-toxic levels of CeO2. This suggests an additive toxicity of these two nanomaterials.
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Affiliation(s)
- Tasnim Al Rashaideh
- Human Toxicology Program, Graduate College, University of Iowa, Iowa City, IA 52242, USA
| | - Nervana Metwali
- Department of Occupational and Environmental Health, College of Public Health, University of Iowa, Iowa City, IA 52242, USA
| | - Sarah S. Perry
- Department of Occupational and Environmental Health, College of Public Health, University of Iowa, Iowa City, IA 52242, USA
| | - Andrea Adamcakova-Dodd
- Department of Occupational and Environmental Health, College of Public Health, University of Iowa, Iowa City, IA 52242, USA
| | - Peter S. Thorne
- Human Toxicology Program, Graduate College, University of Iowa, Iowa City, IA 52242, USA
- Department of Occupational and Environmental Health, College of Public Health, University of Iowa, Iowa City, IA 52242, USA
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12
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Wang Y, Tan Z, Zhang Z, Zhu P, Tam SW, Zhang Z, Jiang X, Lin K, Tian L, Huang Z, Zhang S, Peng YK, Yung KKL. Facet-Dependent Activity of CeO 2 Nanozymes Regulate the Fate of Human Neural Progenitor Cell via Redox Homeostasis. ACS APPLIED MATERIALS & INTERFACES 2022; 14:35423-35433. [PMID: 35905295 DOI: 10.1021/acsami.2c09304] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Neural progenitor cells (NPCs) therapy, a promising therapeutic strategy for neurodegenerative diseases, has a huge challenge to ensure high survival rate and neuronal differentiation rate. Cerium oxide (CeO2) nanoparticles exhibit multienzyme mimetic activities and have shown the capability of regulating reactive oxygen species (ROS), which is a pivotal mediator for intracellular redox homeostasis in NPCs, regulating biological processes including differentiation, proliferation, and apoptosis. In the present study, the role of facet-dependent CeO2-mediated redox homeostasis in regulating self-renewal and differentiation of NPCs is reported for the first time. The cube-, rod-, and octahedron-shaped CeO2 nanozymes with different facets are prepared. Among the mentioned nanozymes, the cube enclosed by the (100) facet exhibits the highest CAT-like activity, causing it to provide superior protection to NPCs from oxidative stress induced by H2O2; meanwhile, the octahedron enclosed by the (111) facet with the lowest CAT-like activity induces the most ROS production in ReNcell CX cells, which promotes neuronal differentiation by activated AKT/GSK-3β/β-catenin pathways. A further mechanistic study indicated that the electron density of the surface Ce atoms changed continuously with different crystal facets, which led to their different CAT-like activity and modulation of redox homeostasis in NPCs. Altogether, the different surface chemistry and atomic architecture of active sites on CeO2 exert modulation of redox homeostasis and the fate of NPCs.
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Affiliation(s)
- Ying Wang
- Department of Biology, Hong Kong Baptist University, Hong Kong Special Administrative Region (HKSAR), HKSAR 999077, China
- Golden Meditech Center for NeuroRegeneration Sciences, Hong Kong Baptist University, HKSAR 999077, China
| | - Zicong Tan
- Department of Chemistry, City University of Hong Kong, HKSAR 999077, China
| | - Zhu Zhang
- Department of Biology, Hong Kong Baptist University, Hong Kong Special Administrative Region (HKSAR), HKSAR 999077, China
- Golden Meditech Center for NeuroRegeneration Sciences, Hong Kong Baptist University, HKSAR 999077, China
| | - Peili Zhu
- Department of Biology, Hong Kong Baptist University, Hong Kong Special Administrative Region (HKSAR), HKSAR 999077, China
- Golden Meditech Center for NeuroRegeneration Sciences, Hong Kong Baptist University, HKSAR 999077, China
| | - Sze Wah Tam
- Department of Biology, Hong Kong Baptist University, Hong Kong Special Administrative Region (HKSAR), HKSAR 999077, China
- Golden Meditech Center for NeuroRegeneration Sciences, Hong Kong Baptist University, HKSAR 999077, China
| | - Zhang Zhang
- Department of Biology, Hong Kong Baptist University, Hong Kong Special Administrative Region (HKSAR), HKSAR 999077, China
- Golden Meditech Center for NeuroRegeneration Sciences, Hong Kong Baptist University, HKSAR 999077, China
| | - Xiaoli Jiang
- Department of Biology, Hong Kong Baptist University, Hong Kong Special Administrative Region (HKSAR), HKSAR 999077, China
- Golden Meditech Center for NeuroRegeneration Sciences, Hong Kong Baptist University, HKSAR 999077, China
| | - Kaili Lin
- School of Public Health, Guangzhou Medical University, Guangzhou 511436, China
| | - Linyuan Tian
- Department of Chemistry, City University of Hong Kong, HKSAR 999077, China
| | - Zhifeng Huang
- Department of Physics, Hong Kong Baptist University, HKSAR 999077, China
| | - Shiqing Zhang
- Golden Meditech Center for NeuroRegeneration Sciences, Hong Kong Baptist University, HKSAR 999077, China
- JNU-HKUST Joint Laboratory for Neuroscience and Innovative Drug Research, College of Pharmacy, Jinan University, Guangzhou 510632, China
| | - Yung-Kang Peng
- Department of Chemistry, City University of Hong Kong, HKSAR 999077, China
| | - Ken Kin Lam Yung
- Department of Biology, Hong Kong Baptist University, Hong Kong Special Administrative Region (HKSAR), HKSAR 999077, China
- Golden Meditech Center for NeuroRegeneration Sciences, Hong Kong Baptist University, HKSAR 999077, China
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13
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Yalçın B, Güneş M, Kurşun AY, Kaya N, Marcos R, Kaya B. Genotoxic hazard assessment of cerium oxide and magnesium oxide nanoparticles in Drosophila. Nanotoxicology 2022; 16:393-407. [PMID: 35818303 DOI: 10.1080/17435390.2022.2098072] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
The use of metal oxide nanoparticles (NPs) is steadily spreading, leading to increased environmental exposures to many organisms, including humans. To improve our knowledge of this potential hazard, we have evaluated the genotoxic risk of cerium oxide (CeO2NPs) and magnesium oxide (MgONPs) nanoparticle exposures using Drosophila as an in vivo assay model. In this study, two well-known assays, such as the wing somatic mutation and recombination test (wing-spot assay) and the single-cell gel electrophoresis test (comet assay) were used. As a novelty, and for the first time, changes in the expression levels of a wide panel of DNA repair genes were also evaluated. Our results indicate that none of the concentrations of CeO2NPs increased the total spot frequency in the wing-spot assay, while induction was observed at the highest dose of MgONPs. Regarding the comet assay, both tested NPs were unable to induce single DNA strand breaks or oxidative damage in DNA bases. Nevertheless, exposure to CeO2NPs induced significant increases in the expression levels of the Mlh1 and Brca2 genes, which are involved in the double-strand break repair pathway, together with a decrease in the expression levels of the MCPH1 and Rad51D genes. Regarding the effects of MgONPs exposure, the expression levels of the Ercc1, Brca2, Rad1, mu2, and stg genes were significantly increased, while Mlh1 and MCPH1 genes were decreased. Our results show the usefulness of our approach in detecting mild genotoxic effects by evaluating changes in the expression of a panel of genes involved in DNA repair pathways.
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Affiliation(s)
- Burçin Yalçın
- Department of Biology, Akdeniz University, Antalya, Turkey
| | - Merve Güneş
- Department of Biology, Akdeniz University, Antalya, Turkey
| | | | - Nuray Kaya
- Department of Biology, Akdeniz University, Antalya, Turkey
| | - Ricard Marcos
- Department of Genetics and Microbiology, Universitat Autònoma de Barcelona, Cerdanyola del Vallès (Barcelona), Antalya, Spain
| | - Bülent Kaya
- Department of Biology, Akdeniz University, Antalya, Turkey
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14
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Xu Q, Gao X, Wen M, Liu Y, Li Y, Wei C, Wu X, Zou Y, Li J, Li X, Liu YN, Chen W. Biocomputation with MnTiO 3 Piezoelectric Enzymes for Programed Catalysis of Tumor Death. ACS APPLIED MATERIALS & INTERFACES 2022; 14:28199-28210. [PMID: 35653596 DOI: 10.1021/acsami.2c04950] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Catalytic nanomedicine, especially artificial enzymes, exhibit obvious merits over traditional nanomedicine. However, the lack of controllability over an enzymatic process seriously challenges the therapeutic performance. Herein, we present a concept of using piezoelectric enzymes in combination with biocomputation ability. As a paradigm, MnTiO3 nanodisks were prepared with multiple enzyme-mimicking activity, including glutathione oxidase, peroxidase, and catalase. Different from the conventional artificial enzymes, the enzymatic activity of MnTiO3 nanodisks was activated by ultrasound and switched by a tumor microenvironment, which allows precise control over enzymatic catalysis in tumors. By virtue of the multiple artificial enzyme activity of MnTiO3 nanodisks, a biocomputing platform was constructed based on a Boolean logic-based algorithm. With ultrasound and tumor microenvironment as input signals, cytotoxicity was output via logic-based biocomputation for programed tumor killing. The concept of piezoelectric enzymes together with a biocomputation strategy provides an intelligent and effective approach for catalytic tumor eradication.
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Affiliation(s)
- Qianqian Xu
- Hunan Provincial Key Laboratory of Micro & Nano Materials Interface Science, College of Chemistry and Chemical Engineering, Central South University, Changsha, Hunan 410083, China
| | - Xinyu Gao
- Hunan Provincial Key Laboratory of Micro & Nano Materials Interface Science, College of Chemistry and Chemical Engineering, Central South University, Changsha, Hunan 410083, China
| | - Mei Wen
- Hunan Provincial Key Laboratory of Micro & Nano Materials Interface Science, College of Chemistry and Chemical Engineering, Central South University, Changsha, Hunan 410083, China
| | - Yihong Liu
- Hunan Provincial Key Laboratory of Micro & Nano Materials Interface Science, College of Chemistry and Chemical Engineering, Central South University, Changsha, Hunan 410083, China
| | - Yuqing Li
- Hunan Provincial Key Laboratory of Micro & Nano Materials Interface Science, College of Chemistry and Chemical Engineering, Central South University, Changsha, Hunan 410083, China
| | - Chuanwan Wei
- School of Chemistry and Chemical Engineering, University of South China, Hengyang, Hunan 421001, China
| | - Xianbo Wu
- Hunan Provincial Key Laboratory of Micro & Nano Materials Interface Science, College of Chemistry and Chemical Engineering, Central South University, Changsha, Hunan 410083, China
| | - Yuyan Zou
- Hunan Provincial Key Laboratory of Micro & Nano Materials Interface Science, College of Chemistry and Chemical Engineering, Central South University, Changsha, Hunan 410083, China
| | - Jianghua Li
- Hunan Provincial Key Laboratory of Micro & Nano Materials Interface Science, College of Chemistry and Chemical Engineering, Central South University, Changsha, Hunan 410083, China
| | - Xilong Li
- Hefei National Laboratory for Physical Science at Microscale, University of Science and Technology of China, Hefei 230026, China
| | - You-Nian Liu
- Hunan Provincial Key Laboratory of Micro & Nano Materials Interface Science, College of Chemistry and Chemical Engineering, Central South University, Changsha, Hunan 410083, China
| | - Wansong Chen
- Hunan Provincial Key Laboratory of Micro & Nano Materials Interface Science, College of Chemistry and Chemical Engineering, Central South University, Changsha, Hunan 410083, China
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15
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Kermani G, Karimi E, Tabrizi MH. Hybrid Nanoarchitectonics of Chitosan-Cerium Oxide Nanoparticles for Anticancer Potentials. J Inorg Organomet Polym Mater 2022. [DOI: 10.1007/s10904-022-02329-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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16
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Opitz P, Jegel O, Nasir J, Rios-Studer T, Gazanis A, Pham DH, Domke K, Heermann R, Schmedt Auf der Günne J, Tremel W. Defect-controlled halogenating properties of lanthanide-doped ceria nanozymes. NANOSCALE 2022; 14:4740-4752. [PMID: 35266939 DOI: 10.1039/d2nr00501h] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Marine organisms combat bacterial colonization by biohalogenation of signaling compounds that interfere with bacterial communication. These reactions are catalyzed by haloperoxidase enzymes, whose activity can be emulated by nanoceria using milli- and micromolar concentrations of Br- and H2O2. We show that the haloperoxidase-like activity of nanoceria can greatly be enhanced by Ln substitution in Ce1-xLnxO2-x/2. Non-agglomerated nanosized Ce1-xLnxO2-x/2 (Ln = Pr, Tb, particle size < 10 nm) was prepared mechanochemically from CeCl3 and Na2CO3 followed by short calcination. Lanthanide metals could be incorporated into the CeO2 host without solubility limit, as shown for Tb. The distribution of the Ln3+ defect sites in the CeO2 host structure was analyzed by electron spin resonance spectroscopy. Ce3+ and superoxide O2- species are present at surface sites. Their formation is promoted by increasing dopant concentration. Ce1-xLnxO2-x/2 was prepared in copious amounts by ball-milling. This energy-saving and residue-free method can be upscaled to industrial scale. The surface defect chemistry of Ce1-xLnxO2-x/2 was unravelled by vibrational spectroscopy. It is associated with the mechanochemical preparation and leads to enhanced catalytic activity. Although Ce0.9Pr0.1O1.95 had a lower BET surface area than pure CeO2, its catalytic activity, calibrated by oxidative bromination of phenol red, was much higher because the ζ-potential increased from 15 mV (for CeO2) to 30 mV (for Ce0.9Pr0.1O1.95). This facilitates adsorption of Br- in aqueous conditions and explains the high catalytic activity of the Ln-substituted CeO2. Ce1-xLnxO2-x/2 is an effective and "green" nanoparticle haloperoxidase mimic for antifouling applications, as no chemicals other than the ubiquitous Br- and H2O2 (generated in daylight) are required, and only natural metabolites are released into the environment.
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Affiliation(s)
- Phil Opitz
- Johannes Gutenberg-Universität Mainz, Department Chemie, Duesbergweg 10-14, D-55128 Mainz, Germany.
| | - Olga Jegel
- Johannes Gutenberg-Universität Mainz, Department Chemie, Duesbergweg 10-14, D-55128 Mainz, Germany.
| | - Jamal Nasir
- University of Siegen, Faculty IV: School of Science and Technology, Department of Chemistry and Biology, Adolf-Reichwein-Straße 2, D-57076 Siegen, Germany.
| | - Tobias Rios-Studer
- Johannes Gutenberg-Universität Mainz, Department Chemie, Duesbergweg 10-14, D-55128 Mainz, Germany.
| | - Athanasios Gazanis
- Johannes-Gutenberg-Universität Mainz, Institut für Molekulare Physiologie, Biozentrum II, Mikrobiologie und Biotechnologie, Hanns-Dieter-Hüsch-Weg 17, 55128 Mainz, Germany.
| | - Dang-Hieu Pham
- Johannes Gutenberg-Universität Mainz, Department Chemie, Duesbergweg 10-14, D-55128 Mainz, Germany.
| | - Katrin Domke
- Max-Planck-Institut für Polymerforschung, Ackermannweg 10, D-55128 Mainz, Germany
| | - Ralf Heermann
- Johannes-Gutenberg-Universität Mainz, Institut für Molekulare Physiologie, Biozentrum II, Mikrobiologie und Biotechnologie, Hanns-Dieter-Hüsch-Weg 17, 55128 Mainz, Germany.
| | - Jörn Schmedt Auf der Günne
- University of Siegen, Faculty IV: School of Science and Technology, Department of Chemistry and Biology, Adolf-Reichwein-Straße 2, D-57076 Siegen, Germany.
| | - Wolfgang Tremel
- Johannes Gutenberg-Universität Mainz, Department Chemie, Duesbergweg 10-14, D-55128 Mainz, Germany.
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17
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Yadav N, Patel V, Mccourt L, Ruppert M, Miller M, Inerbaev T, Mahasivam S, Vinu A, Singh S, Karakoti AS. Tuning the enzyme-like activities of cerium oxide nanoparticles using triethyl phosphite ligand. Biomater Sci 2022; 10:3245-3258. [DOI: 10.1039/d2bm00396a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Cerium oxide nanoparticles (CeNPs) depict excellent in vitro and in vivo antioxidant properties, determined by the redox switching of surface cerium ions between its two oxidation states (Ce3+ and Ce4+)....
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18
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Hu Z, Guan Y, Hu W, Xu Z, Ishfaq M. An overview of pharmacological activities of baicalin and its aglycone baicalein: New insights into molecular mechanisms and signaling pathways. IRANIAN JOURNAL OF BASIC MEDICAL SCIENCES 2022; 25:14-26. [PMID: 35656442 PMCID: PMC9118284 DOI: 10.22038/ijbms.2022.60380.13381] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Accepted: 12/27/2021] [Indexed: 11/28/2022]
Abstract
The flavonoids, baicalin, and its aglycone baicalein possess multi-fold therapeutic properties and are mainly found in the roots of Oroxylum indicum (L.) Kurz and Scutellaria baicalensis Georgi. These flavonoids have been reported to possess various pharmacological properties, including antibacterial, antiviral, anticancer, anticonvulsant, anti-oxidant, hepatoprotective, and neuroprotective effects. The pharmacological properties of baicalin and baicalein are due to their abilities to scavenge reactive oxygen species (ROS) and interaction with various signaling molecules associated with apoptosis, inflammation, autophagy, cell cycle, mitochondrial dynamics, and cytoprotection. In this review, we summarized the molecular mechanisms underlying the chemopreventive and chemotherapeutic applications of baicalin and baicalein in the treatment of cancer and inflammatory diseases. In addition, the preventive effects of baicalin and baicalein on mitochondrial dynamics and functions were highlighted with a particular emphasis on their anti-oxidative and cytoprotective properties. The current review highlights could be useful for future prospective studies to further improve the pharmacological applications of baicalein and baicalin. These studies should define the threshold for optimal drug exposure, dose optimization and focus on therapeutic drug monitoring, objective disease markers, and baicalin/baicalein drug levels.
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Affiliation(s)
- Zhihua Hu
- College of Computer Science, Huanggang Normal University, Huanggang 438000, China.,These authors contributed equally to this work
| | - Yurong Guan
- College of Computer Science, Huanggang Normal University, Huanggang 438000, China.,These authors contributed equally to this work
| | - Wanying Hu
- College of Veterinary Medicine, Northeast Agricultural University, 600 Changjiang Road, Xiangfang District, Harbin 150030, P. R. China
| | - Zhiyong Xu
- Hubei Zhiying Medical Imaging Center, Radiology Department of Huanggang Hospital of Traditional Chinese Medicine, China
| | - Muhammad Ishfaq
- College of Computer Science, Huanggang Normal University, Huanggang 438000, China
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19
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Joshi KM, Shelar A, Kasabe U, Nikam LK, Pawar RA, Sangshetti J, Kale BB, Singh AV, Patil R, Chaskar MG. Biofilm inhibition in Candida albicans with biogenic hierarchical zinc-oxide nanoparticles. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2021; 134:112592. [DOI: 10.1016/j.msec.2021.112592] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/13/2021] [Revised: 11/14/2021] [Accepted: 11/30/2021] [Indexed: 12/28/2022]
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20
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Yang X, You J, Wei Y, Li H, Gao L, Guo Q, Huang Y, Gong C, Yi C. Emerging nanomaterials applied for tackling the COVID-19 cytokine storm. J Mater Chem B 2021; 9:8185-8201. [PMID: 34528037 DOI: 10.1039/d1tb01446c] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
During the global outbreak of coronavirus disease 2019 (COVID-19), a hyperinflammatory state called the cytokine storm was recognized as a major contributor to multiple organ failure and mortality. However, to date, the diagnosis and treatment of the cytokine storm remain major challenges for the clinical prognosis of COVID-19. In this review, we outline various nanomaterial-based strategies for preventing the COVID-19 cytokine storm. We highlight the contribution of nanomaterials to directly inhibit cytokine release. We then discuss how nanomaterials can be used to deliver anti-inflammatory drugs to calm the cytokine storm. Nanomaterials also play crucial roles in diagnostics. Nanomaterial-based biosensors with improved sensitivity and specificity can be used to detect cytokines. In summary, emerging nanomaterials offer platforms and tools for the detection and treatment of the COVID-19 cytokine storm and future pandemic.
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Affiliation(s)
- Xi Yang
- Department of Medical Oncology, Cancer Center, West China Hospital, Sichuan University, Chengdu, China.
| | - Jia You
- Department of Oncology, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Yuanfeng Wei
- Department of Medical Oncology, Cancer Center, West China Hospital, Sichuan University, Chengdu, China.
| | - Huawei Li
- Department of Oncology, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Ling Gao
- Department of Medical Oncology, Cancer Center, West China Hospital, Sichuan University, Chengdu, China.
| | - Qing Guo
- Department of Oncology, Taizhou People's Hospital, Taizhou, China
| | - Ying Huang
- West China School of Basic Medical Science and Forensic Medicine, Sichuan University, Chengdu, China
| | - Changyang Gong
- Department of Medical Oncology, Cancer Center, West China Hospital, Sichuan University, Chengdu, China.
| | - Cheng Yi
- Department of Medical Oncology, Cancer Center, West China Hospital, Sichuan University, Chengdu, China.
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21
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Saifi MA, Seal S, Godugu C. Nanoceria, the versatile nanoparticles: Promising biomedical applications. J Control Release 2021; 338:164-189. [PMID: 34425166 DOI: 10.1016/j.jconrel.2021.08.033] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2021] [Revised: 08/18/2021] [Accepted: 08/18/2021] [Indexed: 12/27/2022]
Abstract
Nanotechnology has been a boon for the biomedical field due to the freedom it provides for tailoring of pharmacokinetic properties of different drug molecules. Nanomedicine is the medical application of nanotechnology for the diagnosis, treatment and/or management of the diseases. Cerium oxide nanoparticles (CNPs) are metal oxide-based nanoparticles (NPs) which possess outstanding reactive oxygen species (ROS) scavenging activities primarily due to the availability of "oxidation switch" on their surface. These NP have been found to protect from a number of disorders with a background of oxidative stress such as cancer, diabetes etc. In fact, the CNPs have been found to possess the environment-dependent ROS modulating properties. In addition, the inherent catalase, SOD, oxidase, peroxidase and phosphatase mimetic properties of CNPs provide them superiority over a number of NPs. Further, chemical reactivity of CNPs seems to be a function of their surface chemistry which can be precisely tuned by defect engineering. However, the contradictory reports make it necessary to critically evaluate the potential of CNPs, in the light of available literature. The review is aimed at probing the feasibility of CNPs to push towards the clinical studies. Further, we have also covered and censoriously discussed the suspected negative impacts of CNPs before making our way to a consensus. This review aims to be a comprehensive, authoritative, critical, and accessible review of general interest to the scientific community.
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Affiliation(s)
- Mohd Aslam Saifi
- Department of Regulatory Toxicology, National Institute of Pharmaceutical Education and Research (NIPER), Balanagar, Hyderabad, Telangana, India
| | - Sudipta Seal
- University of Central Florida, 12760 Pegasus Drive ENG I, Suite 207, Orlando, FL 32816, USA
| | - Chandraiah Godugu
- Department of Regulatory Toxicology, National Institute of Pharmaceutical Education and Research (NIPER), Balanagar, Hyderabad, Telangana, India.
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22
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Haghi-Aminjan H, Baeeri M, Khalid M, Rahimifard M, Mahdizadeh E, Hooshangi Shayesteh MR, Abdollahi M. Senolytic Effect of Cerium Oxide Nanoparticles (CeO2 NPs) by Attenuating p38/NF-кB, and p53/p21 Signaling Pathways. J CLUST SCI 2021. [DOI: 10.1007/s10876-021-02152-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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23
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Yadav N, Singh S. Polyoxometalate-Mediated Vacancy-Engineered Cerium Oxide Nanoparticles Exhibiting Controlled Biological Enzyme-Mimicking Activities. Inorg Chem 2021; 60:7475-7489. [PMID: 33939401 DOI: 10.1021/acs.inorgchem.1c00766] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
The biological enzyme-mimetic activity of cerium oxide nanoparticles (CeNPs) is well known to scavenge the reactive oxygen and nitrogen species in cell culture and animal models, imparting protection from the deleterious effects of oxidative and nitrosative stress. The superoxide dismutase (SOD)- and catalase-mimicking activity of CeNPs is reported to be controlled by the oxidation state of the surface "Ce" ions, where a high ratio of Ce3+/4+ or Ce4+/3+ has been considered for the displayed SOD and catalase-like activity, respectively. However, the redox behavior of CeNPs can be controlled by certain ligands that could offer changes in their enzyme-mimetic properties. Therefore, in this work, we have studied the enzyme-mimetic activities of CeNPs under the influence of polyoxometalates [phosphomolybdic acid (PMA) and phosphotungstic acid (PTA)], which are electron-dense molecules displaying quick and reversible multielectron redox reactions. Results revealed that the interaction of PMA with CeNPs results in the inhibition of the SOD-like activity; however, it has no impact on the catalase-like activity. Contrary to this, the interaction of PTA with CeNPs improved the SOD as well as catalase-like activities of CeNPs (3+), which generally do not exhibit catalase activity in the bare form. Although CeNPs (3+) did not show any peroxidase-like activity, CeNPs (4+) showed excellent activity, which was enhanced after the interaction with polyoxometalates. Further, the autoregeneration ability of CeNPs was found to be intact even after PTA or PMA interaction; however, the full catalytic activity was observed in the case of PTA but partially with PMA.
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Affiliation(s)
- Nisha Yadav
- Nanomaterials and Toxicology Lab, Division of Biological and Life Sciences, School of Arts and Sciences, Central Campus, Ahmedabad University, Navrangpura, Ahmedabad 380009, Gujarat, India
| | - Sanjay Singh
- Nanomaterials and Toxicology Lab, Division of Biological and Life Sciences, School of Arts and Sciences, Central Campus, Ahmedabad University, Navrangpura, Ahmedabad 380009, Gujarat, India
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24
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Nirmal GR, Lin ZC, Tsai MJ, Yang SC, Alalaiwe A, Fang JY. Photothermal treatment by PLGA-gold nanorod-isatin nanocomplexes under near-infrared irradiation for alleviating psoriasiform hyperproliferation. J Control Release 2021; 333:487-499. [PMID: 33845057 DOI: 10.1016/j.jconrel.2021.04.005] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2021] [Revised: 03/28/2021] [Accepted: 04/05/2021] [Indexed: 11/17/2022]
Abstract
Psoriasis is a chronic autoimmune skin disorder that involves keratinocyte hyperproliferation and inflammatory cell recruitment. A strategy to mitigate psoriatic lesions is to induce keratinocyte apoptosis for proliferation suppression. Herein we designed a nanoformulation capable of treating psoriasis via hyperthermia-induced apoptosis in response to near-infrared (NIR) irradiation. To this end, gold nanorods (GNRs) and isatin, which is an anti-inflammatory agent for synergizing antipsoriatic activity, were loaded into a poly (lactic-co-glycolic acid) (PLGA) matrix to form the nanocomplexes. The physicochemical and photothermal properties of the nanocomplexes were determined in terms of size, surface charge, NIR-absorbing feature, isatin release, keratinocyte uptake, and cytotoxicity. The nanocomplexes showed a spherical shape with an average size of about 180 nm. The GNR-loaded nanoparticles can efficiently convert NIR light at 0.42 W/cm2 into heat with an increased temperature of 10 °C. When combined with NIR exposure, the nanocomplexes were internalized into keratinocyte cytoplasm with an inhibition of keratinocyte viability to about 60%. Live/dead cell assay and flow cytometry confirmed that the nanocomplexes could serve as NIR-absorbers to specifically elicit keratinocyte apoptosis through caspase and poly ADP-ribose polymerase (PARP) pathways. The in vivo psoriasiform murine model indicated that the combined nanocomplexes and NIR inhibited epidermal hyperplasia and neutrophil infiltration. The overexpressed cytokines in the lesion could be recovered to normal baseline level after the photothermal management. The subcutaneous nanocomplexes remained in the skin for at least 5 days. The nanocomposites produced a negligible toxicity in the skin or liver of healthy mice. The photothermal nanosystems, as designed in this study, shed new light on the therapeutic approach against psoriasis.
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Affiliation(s)
- G R Nirmal
- Graduate Institute of Biomedical Sciences, Chang Gung University, Kweishan, Taoyuan, Taiwan
| | - Zih-Chan Lin
- Graduate Institute of Biomedical Sciences, Chang Gung University, Kweishan, Taoyuan, Taiwan
| | - Ming-Jun Tsai
- Department of Neurology, China Medical University Hospital, Taichung, Taiwan; School of Medicine, College of Medicine, China Medical University, Taichung, Taiwan; Department of Neurology, An-Nan Hospital, China Medical University, Tainan, Taiwan
| | - Shih-Chun Yang
- Department of Cosmetic Science, Providence University, Taichung, Taiwan
| | - Ahmed Alalaiwe
- Department of Pharmaceutics, College of Pharmacy, Prince Sattam Bin Abdulaziz University, Al Kharj, Saudi Arabia
| | - Jia-You Fang
- Pharmaceutics Laboratory, Graduate Institute of Natural Products, Chang Gung University, Kweishan, Taoyuan, Taiwan; Research Center for Food and Cosmetic Safety and Research Center for Chinese Herbal Medicine, Chang Gung University of Science and Technology, Kweishan, Taoyuan, Taiwan; Department of Anesthesiology, Chang Gung Memorial Hospital, Kweishan, Taoyuan, Taiwan.
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Choi JH, Lee H, Lee H, Lee H. Dopant-Dependent Toxicity of CeO 2 Nanoparticles Is Associated with Dynamic Changes in H3K4me3 and H3K27me3 and Transcriptional Activation of NRF2 Gene in HaCaT Human Keratinocytes. Int J Mol Sci 2021; 22:3087. [PMID: 33802993 PMCID: PMC8002609 DOI: 10.3390/ijms22063087] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Revised: 03/15/2021] [Accepted: 03/15/2021] [Indexed: 12/14/2022] Open
Abstract
Despite advances in the preparation of metal oxide (MO) nanoparticles (NPs) as catalysts for various applications, concerns about the biosafety of these particles remain. In this study, we prepared transition metal-doped cerium oxide (TM@CeO2; TM = Cr, Mn, Fe, Co, or Ni) nanoparticles and investigated the mechanism underlying dopant-dependent toxicity in HaCaT human keratinocytes. We show that doping with Cr or Co but not Fe, Mn, or Ni increased the toxicity of CeO2 NPs in dose- and time-dependent manners and led to apoptotic cell death. Interestingly, while both undoped and transition metal-doped NPs increased intracellular reactive oxygen species (ROS), toxic Cr@CeO2 and Co@CeO2 NPs failed to induce the expression of NRF2 (nuclear factor erythroid 2-related factor 2) as well as its downstream target genes involved in the antioxidant defense system. Moreover, activation of NRF2 transcription was correlated with dynamic changes in H3K4me3 and H3K27me3 at the promoter of NRF2, which was not observed in cells exposed to Cr@CeO2 NPs. Furthermore, exposure to relatively non-toxic Fe@CeO2 NPs, but not the toxic Cr@CeO2 NPs, resulted in increased binding of MLL1 complex, a major histone lysine methylase mediating trimethylation of histone H3 lysine 4, at the NRF2 promoter. Taken together, our findings strongly suggest that failure of cells to respond to oxidative stress is critical for dopant-dependent toxicity of CeO2 NPs and emphasize that careful evaluation of newly developed NPs should be preceded before industrial or biomedical applications.
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Affiliation(s)
- Jang Hyun Choi
- Department of Biological Sciences, College of Natural Science, Inha University, 100 Inha-ro, Michuhol-gu, Incheon 22212, Korea; (J.H.C.); (H.L.)
| | - Haram Lee
- Department of Biological Sciences, College of Natural Science, Inha University, 100 Inha-ro, Michuhol-gu, Incheon 22212, Korea; (J.H.C.); (H.L.)
| | - Hangil Lee
- Department of Chemistry, Sookmyung Women’s University, Seoul 04310, Korea
| | - Hansol Lee
- Department of Biological Sciences, College of Natural Science, Inha University, 100 Inha-ro, Michuhol-gu, Incheon 22212, Korea; (J.H.C.); (H.L.)
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Allawadhi P, Khurana A, Allwadhi S, Joshi K, Packirisamy G, Bharani KK. Nanoceria as a possible agent for the management of COVID-19. NANO TODAY 2020; 35:100982. [PMID: 32952596 PMCID: PMC7492057 DOI: 10.1016/j.nantod.2020.100982] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Revised: 08/09/2020] [Accepted: 09/11/2020] [Indexed: 05/22/2023]
Abstract
The COVID-19 pandemic has emerged as an unprecedented global healthcare emergency and has devastated the global economy. The SARS-CoV-2 virus replicates in the host cells and is seemingly much more virulent compared to other flu viruses, as well as the SARS-CoV-1. The respiratory complications of the disease include acute respiratory distress syndrome (ARDS), cytokine storm, systemic inflammation, and pulmonary fibrosis. Nanoceria (NC) is a versatile rare earth nanoparticle with remarkable catalase and superoxide dismutase mimetic redox regenerative properties. Interestingly, NC possesses promising anti-inflammatory, antioxidant and anti-fibrotic properties, making it an attractive tool to fight against the SARS-CoV-2 as well as the associated systemic complications. Until now, there is no clinically approved vaccine or drug for the treatment of COVID-19, and the conquest to find a novel therapy for this global havoc is being undertaken at a warlike pace. Herein, based on preclinical evidence, we hypothesize that NC owing to its unique pharmacological properties, might be an attractive preclinical candidate to win the battle over COVID-19. Further, it may be used as a prevention or treatment strategy in combination with other drugs.
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Affiliation(s)
- Prince Allawadhi
- Department of Biotechnology, Indian Institute of Technology (IIT), Roorkee, Uttarakhand, 247667, India
| | - Amit Khurana
- Department of Veterinary Pharmacology and Toxicology, College of Veterinary Science (CVSc), PVNRTVU, Rajendranagar, Hyderabad, Telangana, 500030, India
- Centre for Biomedical Engineering (CBME), Indian Institute of Technology (IIT), Delhi, 110016, India
| | - Sachin Allwadhi
- Department of Computer Science and Engineering, University Institute of Engineering and Technology (UIET), Maharshi Dayanand University (MDU), Rohtak, Haryana, 124001, India
| | - Kamaldeep Joshi
- Department of Computer Science and Engineering, University Institute of Engineering and Technology (UIET), Maharshi Dayanand University (MDU), Rohtak, Haryana, 124001, India
| | - Gopinath Packirisamy
- Department of Biotechnology, Indian Institute of Technology (IIT), Roorkee, Uttarakhand, 247667, India
- Nanobiotechnology Laboratory, Centre for Nanotechnology, Indian Institute of Technology (IIT), Roorkee, Uttarakhand, 247667, India
| | - Kala Kumar Bharani
- Department of Veterinary Pharmacology and Toxicology, College of Veterinary Science (CVSc), PVNRTVU, Rajendranagar, Hyderabad, Telangana, 500030, India
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Shah F, Yadav N, Singh S. Phosphotungstate-sandwiched between cerium oxide and gold nanoparticles exhibit enhanced catalytic reduction of 4-nitrophenol and peroxidase enzyme-like activity. Colloids Surf B Biointerfaces 2020; 198:111478. [PMID: 33272726 DOI: 10.1016/j.colsurfb.2020.111478] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2020] [Revised: 10/25/2020] [Accepted: 11/15/2020] [Indexed: 11/17/2022]
Abstract
The catalytic performance of gold (Au) decorated cerium oxide nanoparticles (nanoceria) can be potentially crucial because such a defined arrangement of multiple materials may provide improved chemical and biological catalytic activities. In this work, we have utilized a highly localized approach to reduce Au nanoparticles (AuNPs) on the nanoceria-phosphotungstate composite's surface. Phosphotungstic acid (PTA) bound on nanoceria's surface acts as a UV-light dependent redox molecule that specifically reduces AuNPs. The mechanistic study demonstrates that PTA* molecules outstanding electron transfer ability leads to an excellent improvement in the catalytic performance of nanoceria-PTA*-AuNPs composite. Nanoceria-PTA*-AuNPs showed better and faster degradation of 4-nitrophenol than either nanoceria or PTA*-AuNPs. The developed nanoceria-PTA*-AuNPs exhibited efficient (>80 % in 5 min) conversion of 4-NP into 4-AP at room temperature and neutral pH. Additionally, the nanoceria-PTA*-AuNPs also showed improved peroxidase enzyme-like activity than the corresponding control samples. The observed catalytic activity could be due to the rapid electron transfer from nanoceria to AuNPs, where the metal nanoparticle acts as an electron sink, mediated by PTA*. Nanoceria-PTA*-AuNPs showed ∼ 2-fold better catalytic oxidation of peroxidase substrate than PTA*-AuNPs. The reported nanoceria-PTA*-AuNPs nanocomposites are expected to display improved biological enzyme-like activities, photocatalysis, and other biomedical applications.
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Affiliation(s)
- Foram Shah
- Nanomaterials and Nanotoxicology Lab, Division of Biological and Life Sciences, School of Arts and Sciences, Central Campus, Ahmedabad University, Navrangpura, Ahmedabad 380009, Gujarat, India
| | - Nisha Yadav
- Nanomaterials and Nanotoxicology Lab, Division of Biological and Life Sciences, School of Arts and Sciences, Central Campus, Ahmedabad University, Navrangpura, Ahmedabad 380009, Gujarat, India
| | - Sanjay Singh
- Nanomaterials and Nanotoxicology Lab, Division of Biological and Life Sciences, School of Arts and Sciences, Central Campus, Ahmedabad University, Navrangpura, Ahmedabad 380009, Gujarat, India.
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The Function of LmPrx6 in Diapause Regulation in Locusta migratoria Through the Insulin Signaling Pathway. INSECTS 2020; 11:insects11110763. [PMID: 33167530 PMCID: PMC7694527 DOI: 10.3390/insects11110763] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/13/2020] [Revised: 11/02/2020] [Accepted: 11/03/2020] [Indexed: 11/16/2022]
Abstract
Simple Summary LmPrx6 of the insulin signaling pathway is significantly associated with diapause induction in Locusta migratoria L. as per our pervious transcriptome data. In the current study, we first cloned and sequenced the gene and demonstrated its similarity to other Prxs using phylogenetic analyses. Later on, we knocked down Prx6 using RNAi and showed that phosphorylation of proteins associated with the insulin signaling pathway and responses to oxidative stress were altered. Knockdown of Prx6 also resulted in a reduced ability to enter diapause, and hence, we are of the opinion that this gene could serve as an effective target for RNAi-based control of L. migratoria L. The study has provided some helpful insights into the diversified roles of Prx6 in locusts and will be of interest to other insect pests for examining the relatively unexplored group of proteins as well. Abstract Peroxiredoxins (Prxs), which scavenge reactive oxygen species (ROS), are cysteine-dependent peroxide reductases that group into six structurally discernable classes: AhpC-Prx1, BCP-PrxQ, Prx5, Prx6, Tpx, and AhpE. A previous study showed that forkhead box protein O (FOXO) in the insulin signaling pathway (ISP) plays a vital role in regulating locust diapause by phosphorylation, which can be promoted by the high level of ROS. Furthermore, the analysis of transcriptome between diapause and non-diapause phenotypes showed that one of the Prxs, LmPrx6, which belongs to the Prx6 class, was involved. We presumed that LmPrx6 might play a critical role in diapause induction of Locusta migratoria and LmPrx6 may therefore provide a useful target of control methods based on RNA interference (RNAi). To verify our hypothesis, LmPrx6 was initially cloned from L. migratoria to make dsLmPrx6 and four important targets were tested, including protein-tyrosine phosphorylase 1B (LmPTP1B), insulin receptor (LmIR), RAC serine/threonine-protein kinase (LmAKT), and LmFOXO in ISP. When LmPrx6 was knocked down, the diapause rate was significantly reduced. The phosphorylation level of LmPTP1B significantly decreased while the phosphorylation levels of LmIR, LmAKT, and LmFOXO were significantly increased. Moreover, we identified the effect on two categories of genes downstream of LmFOXO, including stress tolerance and storage of energy reserves. Results showed that the mRNA levels of catalase and Mn superoxide dismutase (Mn-SOD), which enhanced stress tolerance, were significantly downregulated after silencing of LmPrx6. The mRNA levels of glycogen synthase and phosphoenolpyruvate carboxy kinase (PEPCK) that influence energy storage were also downregulated after knocking down of LmPrx6. The silencing of LmPrx6 indicates that this regulatory protein may probably be an ideal target for RNAi-based diapause control of L. migratoria.
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Zou W, Li X, Li C, Sun Y, Zhang X, Jin C, Jiang K, Zhou Q, Hu X. Influence of Size and Phase on the Biodegradation, Excretion, and Phytotoxicity Persistence of Single-Layer Molybdenum Disulfide. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2020; 54:12295-12306. [PMID: 32852947 DOI: 10.1021/acs.est.0c02642] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
The increasing applications of single-layer molybdenum disulfide (SLMoS2) pose great potential risks associated with environmental exposure. This study found that metallic-phase SLMoS2 with nanoscale (N-1T-SLMoS2, ∼400 nm) and microscale (M-1T-SLMoS2, ∼3.6 μm) diameters at 10-25 mg/L induced significant algal growth inhibition (maximum 72.7 and 74.6%, respectively), plasmolysis, and oxidative damage, but these alterations were recoverable. Nevertheless, membrane permeability, chloroplast damage, and chlorophyll biosynthesis reduction were persistent. By contrast, the growth inhibition (maximum 55.3%) and adverse effects of nano-sized semiconductive-phase SLMoS2 (N-2H-SLMoS2, ∼400 nm) were weak and easily alleviated after 96 h of recovery. N-1T-SLMoS2 (0.011 μg/h) and N-2H-SLMoS2 (0.008 μg/h) were quickly biodegraded to soluble Mo compared with M-1T-SLMoS2 (0.004 μg/h) and excreted by algae. Incomplete biodegradation of SLMoS2 (26.8-43.9%) did not significantly mitigate its toxicity. Proteomics and metabolomics indicated that the downregulation of proteins (50.7-99.2%) related to antioxidants and photosynthesis and inhibition of carbon fixation and carbohydrate metabolism contributed to the persistent phytotoxicity. These findings highlight the roles and mechanisms of the size and phase in the persistent phytotoxicity of SLMoS2, which has potential implications for risk assessment and environmental applications of nanomaterials.
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Affiliation(s)
- Wei Zou
- School of Environment, Key Laboratory for Yellow River and Huai River Water Environment and Pollution Control, Ministry of Education, Henan Key Laboratory for Environmental Pollution Control, International Joint Laboratory on Key Techniques in Water Treatment, Henan Normal University, Xinxiang 453007, China
| | - Xinyu Li
- School of Environment, Key Laboratory for Yellow River and Huai River Water Environment and Pollution Control, Ministry of Education, Henan Key Laboratory for Environmental Pollution Control, International Joint Laboratory on Key Techniques in Water Treatment, Henan Normal University, Xinxiang 453007, China
| | - Chonghao Li
- School of Environment, Key Laboratory for Yellow River and Huai River Water Environment and Pollution Control, Ministry of Education, Henan Key Laboratory for Environmental Pollution Control, International Joint Laboratory on Key Techniques in Water Treatment, Henan Normal University, Xinxiang 453007, China
| | - Yuanyuan Sun
- School of Environment, Key Laboratory for Yellow River and Huai River Water Environment and Pollution Control, Ministry of Education, Henan Key Laboratory for Environmental Pollution Control, International Joint Laboratory on Key Techniques in Water Treatment, Henan Normal University, Xinxiang 453007, China
| | - Xingli Zhang
- School of Environment, Key Laboratory for Yellow River and Huai River Water Environment and Pollution Control, Ministry of Education, Henan Key Laboratory for Environmental Pollution Control, International Joint Laboratory on Key Techniques in Water Treatment, Henan Normal University, Xinxiang 453007, China
| | - Caixia Jin
- School of Environment, Key Laboratory for Yellow River and Huai River Water Environment and Pollution Control, Ministry of Education, Henan Key Laboratory for Environmental Pollution Control, International Joint Laboratory on Key Techniques in Water Treatment, Henan Normal University, Xinxiang 453007, China
| | - Kai Jiang
- School of Environment, Key Laboratory for Yellow River and Huai River Water Environment and Pollution Control, Ministry of Education, Henan Key Laboratory for Environmental Pollution Control, International Joint Laboratory on Key Techniques in Water Treatment, Henan Normal University, Xinxiang 453007, China
| | - Qixing Zhou
- Key Laboratory of Pollution Processes and Environmental Criteria (Ministry of Education)/Tianjin Key Laboratory of Environmental Remediation and Pollution Control, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China
| | - Xiangang Hu
- Key Laboratory of Pollution Processes and Environmental Criteria (Ministry of Education)/Tianjin Key Laboratory of Environmental Remediation and Pollution Control, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China
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Ribeiro FM, de Oliveira MM, Singh S, Sakthivel TS, Neal CJ, Seal S, Ueda-Nakamura T, Lautenschlager SDOS, Nakamura CV. Ceria Nanoparticles Decrease UVA-Induced Fibroblast Death Through Cell Redox Regulation Leading to Cell Survival, Migration and Proliferation. Front Bioeng Biotechnol 2020; 8:577557. [PMID: 33102462 PMCID: PMC7546350 DOI: 10.3389/fbioe.2020.577557] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Accepted: 09/04/2020] [Indexed: 02/06/2023] Open
Abstract
Exposure to ultraviolet radiation is a major contributor to premature skin aging and carcinogenesis, which is mainly driven by overproduction of reactive oxygen species (ROS). There is growing interest for research on new strategies that address photoaging prevention, such as the use of nanomaterials. Cerium oxide nanoparticles (nanoceria) show enzyme-like activity in scavenging ROS. Herein, our goal was to study whether under ultraviolet A rays (UVA)-induced oxidative redox imbalance, a low dose of nanoceria induces protective effects on cell survival, migration, and proliferation. Fibroblasts cells (L929) were pretreated with nanoceria (100 nM) and exposed to UVA radiation. Pretreatment of cells with nanoceria showed negligible cytotoxicity and protected cells from UVA-induced death. Nanoceria also inhibited ROS production immediately after irradiation and for up to 48 h and restored the superoxide dismutase (SOD) activity and GSH level. Additionally, the nanoceria pretreatment prevented apoptosis by decreasing Caspase 3/7 levels and the loss of mitochondrial membrane potential. Nanoceria significantly improved the cell survival migration and increased proliferation, over a 5 days period, as compared with UVA-irradiated cells, in wound healing assay. Furthermore, it was observed that nanoceria decreased cellular aging and ERK 1/2 phosphorylation. Our study suggests that nanoceria might be a potential ally to endogenous, antioxidant enzymes, and enhancing the redox potentials to fight against UVA-induced photodamage and consequently modulating the cells survival, migration, and proliferation.
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Affiliation(s)
- Fabianne Martins Ribeiro
- Programa de Pós-Graduação em Ciências Biológicas, Universidade Estadual de Maringá, Maringá, Brazil
| | | | - Sushant Singh
- Advanced Materials Processing and Analysis Center, Nanoscience Technology Center, University of Central Florida, Orlando, FL, United States
| | - Tamil S Sakthivel
- Advanced Materials Processing and Analysis Center, Nanoscience Technology Center, University of Central Florida, Orlando, FL, United States
| | - Craig J Neal
- Advanced Materials Processing and Analysis Center, Nanoscience Technology Center, University of Central Florida, Orlando, FL, United States
| | - Sudipta Seal
- Advanced Materials Processing and Analysis Center, Nanoscience Technology Center, University of Central Florida, Orlando, FL, United States
| | - Tânia Ueda-Nakamura
- Programa de Pós-Graduação em Ciências Farmacêuticas, Universidade Estadual de Maringá, Maringá, Brazil
| | | | - Celso Vataru Nakamura
- Programa de Pós-Graduação em Ciências Biológicas, Universidade Estadual de Maringá, Maringá, Brazil.,Programa de Pós-Graduação em Ciências Farmacêuticas, Universidade Estadual de Maringá, Maringá, Brazil
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31
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In vitro antioxidant activity of synthesized BSA conjugated manganese dioxide nanoparticles. SN APPLIED SCIENCES 2020. [DOI: 10.1007/s42452-020-03407-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
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Sepanjnia A, Ghasemi H, Mohseni R, Ranjbar A, Shabani F, Salimi F, Kheiripour N. Effect of Cerium Oxide Nanoparticles on Oxidative Stress Biomarkers in Rats' Kidney, Lung, and Serum. IRANIAN BIOMEDICAL JOURNAL 2020; 24:251-6. [PMID: 32306723 PMCID: PMC7275813 DOI: 10.29252/ibj.24.4.251] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/25/2019] [Accepted: 10/12/2019] [Indexed: 12/16/2022]
Abstract
Background The present study aimed to evaluate the effects of different concentrations of cerium oxide nanoparticles (CONPs) on the oxidative stress (OS) status in kidney, lung, and serum of rats. Methods Male Wistar Rats were treated intraperitoneally with 15, 30, and 60 mg/kg/day of CONPs. The biochemical parameters, including total antioxidant capacity (TAC), total thiol group (TTG), malondialdehyde (MDA), SOD (superoxide dismutase), and catalase (CAT) were assayed in serum, kidney, and lung tissues. Results MDA decreased, but TTG and CAT increased in serum by the administration of CONPs at 15 mg/kg. In kidney homogenate obtained from the group treated with CONPs at 15 mg/kg, TAC, TTG, and CAT significantly increased compared to the control group. However, CONPs at 15, 30, and 60 mg/kg significantly decreased MDA level compared to the control group. In lung tissue, CONPs in doses of 15, 30 and 60 mg/kg significantly decreased CAT activity, TTG and TAC compared to the control group, while in kidney tissue, CONPs at the concentrations of 30 and 60 mg/kg significantly increased MDA compared to the control group. Conclusion Our findings suggest that CONPs attenuate OS in the kidney and affect the serum levels of OS-related markers but induce OS in the lung tissue in a dose-dependent manner.
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Affiliation(s)
- Adel Sepanjnia
- Department of Biomedical Science, School of Medicine, Jiroft University of Medical Sciences, Jiroft, Iran
| | - Hassan Ghasemi
- Department of Clinical Biochemistry, Abadan Faculty of Medical Sciences, Abadan, Iran
| | - Roohollah Mohseni
- Department of Biochemistry, Faculty of Medicine, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Akram Ranjbar
- Department of Toxicology and Pharmacology, School of Pharmacy, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Fatemeh Shabani
- Department of Biomedical Science, School of Medicine, Jiroft University of Medical Sciences, Jiroft, Iran
| | - Fouzieh Salimi
- Department of Biomedical Science, School of Medicine, Jiroft University of Medical Sciences, Jiroft, Iran
| | - Nejat Kheiripour
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Kashan University of Medical Sciences, Kashan, Iran
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Kalantari K, Mostafavi E, Saleh B, Soltantabar P, Webster TJ. Chitosan/PVA hydrogels incorporated with green synthesized cerium oxide nanoparticles for wound healing applications. Eur Polym J 2020. [DOI: 10.1016/j.eurpolymj.2020.109853] [Citation(s) in RCA: 76] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Arya A, Gangwar A, Singh SK, Bhargava K. Polyethylene glycol functionalized cerium oxide nanoparticle confer protection against UV- induced oxidative damage in skin: evidences for a new class of UV filter. NANO EXPRESS 2020. [DOI: 10.1088/2632-959x/ab934c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Abstract
Acute exposure to high dose of ultraviolet (UV) radiations is known to cause significant harm to skin, primarily due to the generation of free radicals and damage to DNA, which often culminate in rapid aging of the skin, or cancers. Keratinocytes being the most abundant skin’s cells are affected most by UV. Although a degree of endogenous protection is present, the vulnerability of UV-induced damaged can be minimized using protective agents. A few UV filters (organic and inorganic) have been successfully commercialized, yet, due to prevailing disadvantages such as low solubility, photostability, and aesthetic sense, suitable and more efficient UV filters continue to be explored as potential ingredients of cosmaceutical agents. A recently studied antioxidant enzyme mimetic cerium oxide nanoparticles showed emerging piece of evidence on benefits under environmental stress. However, its protective abilities as potential UV filter and therefore applicability in cosmaceutical has not yet been completely explored. This study provides a piece of evidence in support of beneficial effects of this new class of UV filters, polyethyleneglycol functionalized nanoceria (PEG-CNP) against UV - induced damage in vitro and in vivo. The nanomolar concentration of PEG-CNPs in the cell culture showed significant protection from UV exposure, by direct ROS scavenging, the rescue of cells from cell cycle arrest and DNA damage. Further, a proof of the concept study in dehaired rat skin showed that the topical application of 50 μM PEG-CNPs prevented the initial signs of UV induced damage. Unlike conventional UV filters, PEG-CNPs confer protection by internalizing the cells, and scavenging the radicals.
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Site-specific delivery of a natural chemotherapeutic agent to human lung cancer cells using biotinylated 2D rGO nanocarriers. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 112:110884. [PMID: 32409041 DOI: 10.1016/j.msec.2020.110884] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/27/2019] [Revised: 03/11/2020] [Accepted: 03/20/2020] [Indexed: 11/23/2022]
Abstract
Chemotherapy has remained one of the most commonly employed treatment modalities for cancer. Despite the clinical availability of a large number of chemotherapeutic agents, the uncontrolled systemic distribution and the associated harmful side effects of chemotherapeutic agents pose major challenges demanding concerted efforts to enhance their cancer targetability. The layered structure of two-dimensional (2D) materials offers new opportunities by increasing the drug pay-load influencing the drug-release kinetics in a cancer micro-environment and facilitating targetability through the large accessible surface area. To investigate such potential benefits of 2D materials, we have developed a biocompatible targeted 2D drug delivery system using graphene oxide (GO) as a model nanocarrier (NC) that could hold a high concentration of gallic acid (GA), a natural chemotherapeutic agent found in green tea. Interestingly, the antioxidant nature of GA also reduced GO to a high-quality few-layered thin reduced-graphene oxide (rGO) during drug loading while forming rGO nanocarrier (rGONC). The biotinylated rGONC further improved their targetability to A549 human lung carcinoma cells and they enhanced cellular internalization efficiency. From these targeted 2D NCs, the drug could release only slowly at the physiological pH but liberated rapidly at lower pH encountered by the tumor microenvironment resulting in significant toxicity toward the lung carcinoma cells. As such, this work opens up new possibilities for employing 2D materials for targeted chemotherapeutic applications.
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Song YY, Yuan Y, Shi X, Che YY. Improved drug delivery and anti-tumor efficacy of combinatorial liposomal formulation of genistein and plumbagin by targeting Glut1 and Akt3 proteins in mice bearing prostate tumor. Colloids Surf B Biointerfaces 2020; 190:110966. [PMID: 32199263 DOI: 10.1016/j.colsurfb.2020.110966] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2020] [Revised: 03/06/2020] [Accepted: 03/09/2020] [Indexed: 01/03/2023]
Abstract
Despite the plethora of significant research progress made to develop novel strategies for the treatment of prostate cancer, this disease remains one of the major global health challenges among men. However, using a co-treatment approach utilizing two or more anticancer drugs has shown tremendous success in the treatment of many cancer types. Nanoliposomes are well known to encapsulate multiple drugs and deliver them at the desired site. In this work, we report the synthesis of nanoliposomes (∼100 nm) encapsulating two drugs, plumbagin, and genistein, to synergistically inhibit the growth of prostate cancer cells. The combination of plumbagin and genistein drugs was found inhibiting xenograft prostate tumor growth by ∼80 % without any appreciable toxicity. Mechanistically, the combination of plumbagin and genistein containing nanoliposomes leads to the inhibition of PI3K/AKT3 signaling pathway as well as the decreased population of Glut-1 transporters to impart the retardation in tumor growth. Decrease in proliferative cells and blood vessels are early biological processes that laid the foundation of the observed anti-tumor effect. Thus, a novel, and non-toxic liposomal formulation, containing plumbagin and genistein drugs, is reported, which can deliver anticancer agents to prostate tumors and inhibit the growth.
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Affiliation(s)
- Yuan-Yuan Song
- Clinical Laboratory, The First Hospital of Jilin University, Changchun, 130021, China
| | - Ye Yuan
- Clinical Laboratory, The First Hospital of Jilin University, Changchun, 130021, China
| | - Xu Shi
- Clinical Laboratory, The First Hospital of Jilin University, Changchun, 130021, China
| | - Yuan-Yuan Che
- Clinical Laboratory, The First Hospital of Jilin University, Changchun, 130021, China.
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Biogenic synthesis of AuPd nanocluster as a peroxidase mimic and its application for colorimetric assay of acid phosphatase. Colloids Surf A Physicochem Eng Asp 2020. [DOI: 10.1016/j.colsurfa.2020.124444] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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38
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Montesinos-Cruz V, Rose J, Pappa A, Panayiotidis MI, De Vizcaya-Ruiz A, Franco R. Survival Mechanisms and Xenobiotic Susceptibility of Keratinocytes Exposed to Metal-Derived Nanoparticles. Chem Res Toxicol 2020; 33:536-552. [PMID: 31927885 DOI: 10.1021/acs.chemrestox.9b00398] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Metal-derived nanoparticles (Mt-NPs) are increasingly used in cosmetology due to their ultraviolet shielding (titanium dioxide [TiO2]), antioxidant (cerium dioxide [CeO2]), and biocidal (silver [Ag]) properties. In the absence of overt toxicity (i.e., cell death), Mt-NPs are considered safe for cosmetic applications. However, there is little understanding about the mechanisms involved in the survival of keratinocytes exposed to subtoxic levels of Mt-NPs. Human keratinocytes (HaCaT) were exposed subacutely to subtoxic concentrations (≤30 μg/mL, 48-72 h) of rutile (r) TiO2 (cylindrical), CeO2 (cubic) and Ag (spherical) with a core/hydrodynamic size of <50/<100 nm and >98% purity. Mt-NP uptake was indirectly quantified by changes in the light side scatter, where the kinetics (time/dose-response) suggested that the three types of Mt-NPs were similarly uptaken by keratinocytes. rTiO2 and CeO2, but not Ag-NPs, increased autophagy, whose inhibition prompted cell death. No increase in the steady-state levels of reactive oxygen species (ROS) was induced by exposure to any of the Mt-NPs tested. Interestingly, intracellular Ag-NP aggregates observed an increased far-red autofluorescence (≥740 nm em), which has been ascribed to their binding to thiol molecules such as glutathione (GSH). Accordingly, inhibition of GSH synthesis, but not the impairment of oxidized GSH recycling, sensitized keratinocytes to Ag-NPs suggesting that GSH homeostasis, and its direct scavenging of Ag-NPs, but not ROS, is essential for keratinocyte survival upon exposure to Ag-NP. rTiO2 and Ag, but not CeO2-NPs, compromised metabolic flux (glycolysis and respiration), but ATP levels were unaltered. Finally, we also observed that exposure to Mt-NPs sensitized keratinocytes to non-UV xenobiotic exposure (arsenite and paraquat). Our results demonstrate the differential contribution of autophagy and GSH homeostasis to the survival of human keratinocytes exposed to subtoxic concentrations of Mt-NPs and highlight the increased susceptibility of keratinocytes exposed to Mt-NPs to a second xenobiotic insult.
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Affiliation(s)
| | | | - Aglaia Pappa
- Department of Molecular Biology and Genetics , Democritus University of Thrace , Alexandroupolis 68100 , Greece
| | - Mihalis I Panayiotidis
- Cyprus Institute of Neurology and Genetics , Department of Electron Microscopy and Molecular Pathology , Nicosia 2371 , Cyprus
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Adebayo OA, Akinloye O, Adaramoye OA. Cerium Oxide Nanoparticles Attenuate Oxidative Stress and Inflammation in the Liver of Diethylnitrosamine-Treated Mice. Biol Trace Elem Res 2020; 193:214-225. [PMID: 30993490 DOI: 10.1007/s12011-019-01696-5] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/28/2018] [Accepted: 03/15/2019] [Indexed: 12/18/2022]
Abstract
The catalytic activity of cerium oxide nanoparticles (CeO2NPs) is responsible for its application as an antitumor agent. This activity may be due to its ability to switch between III and IV oxidation states thereby conferring pro- and antioxidant properties. This study was designed to assess the hepatoprotective potential of CeO2NPs in male BALB/c mice administered diethylnitrosamine (DEN). Thirty-six mice were divided equally into six groups and treated intraperitoneally with normal saline (control), DEN (200 mg/kg) alone, CeO2NPs 1 (100 μg/kg) + DEN (200 mg/kg), CeO2NPs 2 (200 μg/kg) + DEN (200 mg/kg), CeO2NPs 1 alone, and CeO2NPs 2 alone. Animals were pretreated with CeO2NPs daily for eight consecutive days, while DEN was administered 48 h before the animals were sacrificed. Administration of DEN caused a significant increase in serum alanine aminotransferase (ALT) and urea by 51% and 96%, respectively. Markers of oxidative stress (malondialdehyde) and inflammation (nitric oxide and myeloperoxidase) in hepatic tissues of DEN-treated mice were increased by 60%, 16%, and 38%, respectively. The activities of hepatic superoxide dismutase, catalase, glutathione peroxidase, glutathione-S-transferase, and level of reduced glutathione were significantly decreased in DEN-treated mice by 50%, 123%, 23%, 419%, and 78%, respectively. In addition, DEN increased the expression of hepatic Bcl2 and COX-2, while p53, Bax, and iNOS were mildly expressed. Pretreatment with CeO2NPs attenuated the activities of antioxidant enzymes and expression of Bcl2 and COX-2. Overall, CeO2NPs confers protection from DEN-induced liver damage via antioxidative activity.
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Affiliation(s)
- Olayinka A Adebayo
- Department of Biochemistry, Faculty of Basic Medical Sciences, College of Medicine, University of Ibadan, Ibadan, Nigeria
| | - Oluyemi Akinloye
- Clinical Chemistry and Molecular Diagnostic Laboratory, Department of Medical Laboratory Science, Faculty of Basic Medical Sciences, University of Lagos, Lagos, Nigeria
| | - Oluwatosin A Adaramoye
- Department of Biochemistry, Faculty of Basic Medical Sciences, College of Medicine, University of Ibadan, Ibadan, Nigeria.
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Leibrock L, Wagener S, Singh AV, Laux P, Luch A. Nanoparticle induced barrier function assessment at liquid-liquid and air-liquid interface in novel human lung epithelia cell lines. Toxicol Res (Camb) 2019; 8:1016-1027. [PMID: 32153768 PMCID: PMC7021197 DOI: 10.1039/c9tx00179d] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2019] [Accepted: 10/14/2019] [Indexed: 01/05/2023] Open
Abstract
Inhalation is the most relevant entry point for nanoparticles (NPs) into the human body. To date, toxicity testing of nanomaterials in respect to oral, dermal and inhalative application is mainly based on animal experiments. The development of alternative test methods is the subject of current research. In vitro models can help to investigate mechanistic aspects, as e.g. cellular uptake or genotoxicity and might help to reduce in vivo testing. Lung cell lines are proper in vitro tools to assess NP toxicity. In respect to this, various cell models have been developed during the recent years, but often lack in a proper intact barrier function. However, besides other important in vivo criteria which are still missing like e.g. circulation, this is one basic prerequisite to come closer to the in vivo situation in certain mechanistic aspects such as particle translocation which is an important task for risk assessment of nanomaterials. Novel developed in vitro models may help to investigate the translocation of nanomaterials from the lung. We investigated the barrier function of the recently developed human lung cell lines CI-hAELVi and CI-huAEC. The cells were further exposed to CeO2 NPs and ZnO NPs, and their suitability as in vitro models for toxicological investigations was proven. The obtained data were compared with data generated with the A549 cell line. Measurement of transepithelial resistance and immunohistochemical examination of tight junctions confirmed the formation of a functional barrier for both cell lines for submerged and air-liquid cultivation. For particle exposure, hAELVi and huAEC cells showed comparable results to A549 cells without losing the barrier function. CeO2 NP exposure revealed no toxicity for all cell lines. In contrast, ZnO NPs was toxic for all cell lines at a concentration between 10-50 μg ml-1. Due to the comparable results to A549 cells CI-hAELVi and CI-huAEC offer new opportunities to investigate nanoparticle cell interactions more realistic than recent 2D cell models.
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Affiliation(s)
- Lars Leibrock
- German Federal Institute for Risk Assessment (BfR) , Department of Chemical and Product Safety , Max-Dohrn-Straße 8-10 , 10589 Berlin , Germany .
| | - Sandra Wagener
- German Federal Institute for Risk Assessment (BfR) , Department of Chemical and Product Safety , Max-Dohrn-Straße 8-10 , 10589 Berlin , Germany .
| | - Ajay Vikram Singh
- German Federal Institute for Risk Assessment (BfR) , Department of Chemical and Product Safety , Max-Dohrn-Straße 8-10 , 10589 Berlin , Germany .
| | - Peter Laux
- German Federal Institute for Risk Assessment (BfR) , Department of Chemical and Product Safety , Max-Dohrn-Straße 8-10 , 10589 Berlin , Germany .
| | - Andreas Luch
- German Federal Institute for Risk Assessment (BfR) , Department of Chemical and Product Safety , Max-Dohrn-Straße 8-10 , 10589 Berlin , Germany .
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41
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Mauro M, Crosera M, Monai M, Montini T, Fornasiero P, Bovenzi M, Adami G, Turco G, Filon FL. Cerium Oxide Nanoparticles Absorption through Intact and Damaged Human Skin. Molecules 2019; 24:E3759. [PMID: 31635398 PMCID: PMC6832931 DOI: 10.3390/molecules24203759] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2019] [Revised: 10/14/2019] [Accepted: 10/15/2019] [Indexed: 11/24/2022] Open
Abstract
Cerium oxide (CeO2) nanoparticles (NPs) are used in polishing products and absorbents, as promoters in wound healing, and as organopesticide decontaminants. While systemic bioaccumulation and organ toxicity has been described after inhalation, data on CeO2 NPs' transdermal permeation are lacking. Our study was an in vitro investigation of the permeation of 17-nm CeO2 NPs dispersed in synthetic sweat (1 g L-1) using excised human skin on Franz cells. Experiments were performed using intact and needle-abraded skin, separately. The average amount of Ce into intact and damaged skin samples was 3.64 ± 0.15 and 7.07 ± 0.78 µg cm-2, respectively (mean ± SD, p = 0.04). Ce concentration in the receiving solution was 2.0 ± 0.4 and 3.3 ± 0.7 ng cm-2 after 24 h (p = 0.008). The Ce content was higher in dermal layers of damaged skin compared to intact skin (2.93 ± 0.71 µg cm-2 and 0.39 ± 0.16 µg cm-2, respectively; p = 0.004). Our data showed a very low dermal absorption and transdermal permeation of cerium, providing a first indication of Ce skin uptake due to contact with CeO2.
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Affiliation(s)
- Marcella Mauro
- Clinical Unit of Occupational Medicine, Department of Medical Sciences, University of Trieste, Via della Pietà 19, 34100 Trieste, Italy.
| | - Matteo Crosera
- Department of Chemical and Pharmaceutical Sciences, University of Trieste, via Giorgieri 1, 34127 Trieste, Italy.
| | - Matteo Monai
- Department of Chemical and Pharmaceutical Sciences, University of Trieste, via Giorgieri 1, 34127 Trieste, Italy.
| | - Tiziano Montini
- Department of Chemical and Pharmaceutical Sciences, University of Trieste, via Giorgieri 1, 34127 Trieste, Italy.
- ICCOM-CNR Trieste research unit and INSTM Trieste research unit, Via Giorgeri 1, 34127 Trieste, Italy.
| | - Paolo Fornasiero
- Department of Chemical and Pharmaceutical Sciences, University of Trieste, via Giorgieri 1, 34127 Trieste, Italy.
- ICCOM-CNR Trieste research unit and INSTM Trieste research unit, Via Giorgeri 1, 34127 Trieste, Italy.
| | - Massimo Bovenzi
- Clinical Unit of Occupational Medicine, Department of Medical Sciences, University of Trieste, Via della Pietà 19, 34100 Trieste, Italy.
| | - Gianpiero Adami
- Department of Chemical and Pharmaceutical Sciences, University of Trieste, via Giorgieri 1, 34127 Trieste, Italy.
| | - Gianluca Turco
- Department of Medical Sciences, University of Trieste, Piazza dell'Ospitale 1, Trieste, 34125, Italy.
| | - Francesca Larese Filon
- Clinical Unit of Occupational Medicine, Department of Medical Sciences, University of Trieste, Via della Pietà 19, 34100 Trieste, Italy.
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Tisi A, Passacantando M, Ciancaglini M, Maccarone R. Nanoceria neuroprotective effects in the light-damaged retina: A focus on retinal function and microglia activation. Exp Eye Res 2019; 188:107797. [PMID: 31520599 DOI: 10.1016/j.exer.2019.107797] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2019] [Revised: 09/10/2019] [Accepted: 09/10/2019] [Indexed: 11/18/2022]
Abstract
The use of nanomaterials is an emerging therapeutic approach for the treatment of several pathologies. Cerium oxide nanoparticles have been studied for biomedical application, including neurodegenerative disorders, such as age-related macular degeneration in several animal models. The light damage model is characterised by oxidative stress upregulation followed by photoreceptor death and microglia activation in the outer retina. For this reason, the light damage model mimics some aspects involved in human age-related macular degeneration pathogenesis. In this review, we focus on the neuroprotective effects on retinal function and microglia activation in the light damage model, considering the administration of the nanoparticles both before and after the injury. The electrical responses of the retina and the microglia number and morphology are clearly modulated by the treatment, supporting the beneficial effects of cerium oxide nanoparticles to counteract the degeneration processes in the retina.
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Affiliation(s)
- A Tisi
- Department of Biotechnology and Applied Clinical Sciences, University of L'Aquila, Via Vetoio, Coppito 2, 67100, L'Aquila, Italy.
| | - M Passacantando
- Department of Physical and Chemical Science, University of L'Aquila, Via Vetoio, Coppito 1, 67100, L'Aquila, Italy.
| | - M Ciancaglini
- Department of Life, Health and Environmental Sciences, University of L'Aquila, Piazzale Salvatore Tommasi 1, Blocco 11, 67100, L'Aquila, Italy.
| | - R Maccarone
- Department of Biotechnology and Applied Clinical Sciences, University of L'Aquila, Via Vetoio, Coppito 2, 67100, L'Aquila, Italy.
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Xiao Z, Liang P, Chen J, Chen MF, Gong F, Li C, Zhou C, Hong P, Yang P, Qian ZJ. A Peptide YGDEY from Tilapia Gelatin Hydrolysates Inhibits UVB-mediated Skin Photoaging by Regulating MMP-1 and MMP-9 Expression in HaCaT Cells. Photochem Photobiol 2019; 95:1424-1432. [PMID: 31230361 DOI: 10.1111/php.13135] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2019] [Accepted: 06/11/2019] [Indexed: 12/12/2022]
Abstract
In this study, we investigated the protective effects of a peptide (YGDEY, Tyr-Gly-Asp-Glu-Tyr) isolated from tilapia skin gelatin hydrolysates (TGHs), against UVB-induced photoaging in human keratinocytes (HaCaT) cells. Results showed that YGDEY significantly decreased levels of intracellular reactive oxygen species (ROS), increased antioxidant factors (Superoxide Dismutase, SOD and Glutathione, GSH) expression and maintained balance between GSH and GSSG in HaCaT cells. Comet assay shows that YGDEY can protect DNA from oxidative damage. Furthermore, it significantly inhibited MMP-1 (collagenase) and MMP-9 (gelatinase) expression and increased Type I procollagen production. In addition, the molecular docking study showed that YGDEY may form active sites with MMP-1 and MMP-9. Moreover, Western blot analysis was utilized to measure the protein levels of UVB-induced mitogen-activated protein kinase (MAPK) and nuclear factor-kappa B (NF-κB) signaling pathways. Therefore, these results suggested that YGDEY has a therapeutic effectiveness in prevention of UVB-induced cellular damage, and it is a candidate worthy of being developed as a potential natural antioxidant and food additive.
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Affiliation(s)
- Zhenbang Xiao
- School of Chemistry and Environmental Science, Guangdong Ocean University, Zhanjiang, China
| | - Peng Liang
- College of Food Science and Technology, Guangdong Ocean University, Zhanjiang, China
| | - Jiali Chen
- College of Food Science and Technology, Guangdong Ocean University, Zhanjiang, China
| | - Mei-Fang Chen
- College of Food Science and Technology, Guangdong Ocean University, Zhanjiang, China
| | - Fang Gong
- College of Food Science and Technology, Guangdong Ocean University, Zhanjiang, China
| | - Chengyong Li
- School of Chemistry and Environmental Science, Guangdong Ocean University, Zhanjiang, China.,Shenzhen Institute of Guangdong Ocean University, Shenzhen, China
| | - Chunxia Zhou
- College of Food Science and Technology, Guangdong Ocean University, Zhanjiang, China
| | - Pengzhi Hong
- College of Food Science and Technology, Guangdong Ocean University, Zhanjiang, China
| | - Ping Yang
- College of Food Science and Technology, Guangdong Ocean University, Zhanjiang, China
| | - Zhong-Ji Qian
- School of Chemistry and Environmental Science, Guangdong Ocean University, Zhanjiang, China.,Shenzhen Institute of Guangdong Ocean University, Shenzhen, China
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44
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Ermakov A, Popov A, Ermakova O, Ivanova O, Baranchikov A, Kamenskikh K, Shekunova T, Shcherbakov A, Popova N, Ivanov V. The first inorganic mitogens: Cerium oxide and cerium fluoride nanoparticles stimulate planarian regeneration via neoblastic activation. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 104:109924. [PMID: 31499991 DOI: 10.1016/j.msec.2019.109924] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/06/2019] [Revised: 06/19/2019] [Accepted: 06/26/2019] [Indexed: 10/26/2022]
Abstract
We report the first experimental evidence for the mitogenic action of cerium(IV) oxide and cerium(III) fluoride nanoparticles (CONs and CFNs) on the regeneration of a whole organism - freshwater flatworms Schmidtea mediterranea (planarian). Both types of cerium-containing nanoparticles are shown to be a highly potent mitogen for planaria. Both CONs and CFNs, in micro- and nanomolar concentrations, markedly accelerate planarian blastema growth, due to the enhancement of cellular proliferation, causing an increase in the mitotic index and in the quantity of blastema cells in regenerating planaria. CONs provided maximum activity at concentrations which were two orders of magnitude lower than those for CeF3. The valence state of cerium in cerium-containing nanoparticles plays a significant role in the planarian regeneration mechanism: CeO2 nanoparticles containing predominantly Ce4+ species presumably scavenge wound induced reactive oxygen species and moderately activate gene expression processes, while the regenerative action of CeF3 nanoparticles containing only Ce3+ species is manifested in the pronounced expression of the genes involved in cell division, differentiation and migration. This is the first report on the effect of cerium-containing nanoparticles on tissue regeneration in vivo, further revealing the mechanisms of their biological action, which enhances the possibility of their use in cellular technologies.
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Affiliation(s)
- Artem Ermakov
- Institute of Theoretical and Experimental Biophysics, Russian Academy of Sciences, Pushchino, Moscow Region 142290, Russia
| | - Anton Popov
- Institute of Theoretical and Experimental Biophysics, Russian Academy of Sciences, Pushchino, Moscow Region 142290, Russia
| | - Olga Ermakova
- Institute of Theoretical and Experimental Biophysics, Russian Academy of Sciences, Pushchino, Moscow Region 142290, Russia
| | - Olga Ivanova
- Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Moscow 119991, Russia
| | - Alexander Baranchikov
- Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Moscow 119991, Russia; Lomonosov Moscow State University, Moscow, Russia
| | - Kristina Kamenskikh
- Institute of Theoretical and Experimental Biophysics, Russian Academy of Sciences, Pushchino, Moscow Region 142290, Russia
| | - Taisiya Shekunova
- Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Moscow 119991, Russia; Lomonosov Moscow State University, Moscow, Russia
| | - Alexander Shcherbakov
- Zabolotny Institute of Microbiology and Virology, National Academy of Sciences of Ukraine, Kyiv D0368, Ukraine
| | - Nelli Popova
- Institute of Theoretical and Experimental Biophysics, Russian Academy of Sciences, Pushchino, Moscow Region 142290, Russia
| | - Vladimir Ivanov
- Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Moscow 119991, Russia; Lomonosov Moscow State University, Moscow, Russia.
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Shah M, Shah J, Arya H, Vyas A, Vijapura A, Gajipara A, Shamal A, Bakshi M, Thakore P, Shah R, Saxena V, Varade D, Singh S. Biological Oxidase Enzyme Mimetic Cu‐Pt Nanoalloys: A Multifunctional Nanozyme for Colorimetric Detection of Ascorbic Acid and Identification of Mammalian Cells. ChemistrySelect 2019. [DOI: 10.1002/slct.201900681] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Maitri Shah
- Division of Biological and Life SciencesSchool of Arts and SciencesAhmedabad University, Central Campus, Navrangpura, Ahmedabad 380009 Gujarat India
| | - Juhi Shah
- Division of Biological and Life SciencesSchool of Arts and SciencesAhmedabad University, Central Campus, Navrangpura, Ahmedabad 380009 Gujarat India
| | - Homica Arya
- Division of Biological and Life SciencesSchool of Arts and SciencesAhmedabad University, Central Campus, Navrangpura, Ahmedabad 380009 Gujarat India
| | - Aashna Vyas
- Division of Biological and Life SciencesSchool of Arts and SciencesAhmedabad University, Central Campus, Navrangpura, Ahmedabad 380009 Gujarat India
| | - Akdasbanu Vijapura
- Division of Biological and Life SciencesSchool of Arts and SciencesAhmedabad University, Central Campus, Navrangpura, Ahmedabad 380009 Gujarat India
| | - Akhil Gajipara
- Division of Biological and Life SciencesSchool of Arts and SciencesAhmedabad University, Central Campus, Navrangpura, Ahmedabad 380009 Gujarat India
| | - Anmol Shamal
- Division of Biological and Life SciencesSchool of Arts and SciencesAhmedabad University, Central Campus, Navrangpura, Ahmedabad 380009 Gujarat India
| | - Malvika Bakshi
- Division of Biological and Life SciencesSchool of Arts and SciencesAhmedabad University, Central Campus, Navrangpura, Ahmedabad 380009 Gujarat India
| | - Prachi Thakore
- Division of Biological and Life SciencesSchool of Arts and SciencesAhmedabad University, Central Campus, Navrangpura, Ahmedabad 380009 Gujarat India
| | - Rutvi Shah
- Division of Biological and Life SciencesSchool of Arts and SciencesAhmedabad University, Central Campus, Navrangpura, Ahmedabad 380009 Gujarat India
| | - Vijaylaxmi Saxena
- Division of Biological and Life SciencesSchool of Arts and SciencesAhmedabad University, Central Campus, Navrangpura, Ahmedabad 380009 Gujarat India
| | - Dharmesh Varade
- School of Engineering and Applied ScienceAhmedabad University, GICT Building, Central Campus, Navrangpura, Ahmedabad 380009 Gujarat India
| | - Sanjay Singh
- Division of Biological and Life SciencesSchool of Arts and SciencesAhmedabad University, Central Campus, Navrangpura, Ahmedabad 380009 Gujarat India
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Dong H, Fan Y, Zhang W, Gu N, Zhang Y. Catalytic Mechanisms of Nanozymes and Their Applications in Biomedicine. Bioconjug Chem 2019; 30:1273-1296. [PMID: 30966739 DOI: 10.1021/acs.bioconjchem.9b00171] [Citation(s) in RCA: 74] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
The research on nanozymes has increased dramatically in recent years and a new interdiscipline, nanozymology, has emerged. A variety of nanomaterials have been designed to mimic the characteristics of natural enzymes, which connects an important bridge between nanotechnology and biological science. Unlike natural enzymes, the nanoscale properties of nanozymes endow them with the potential to regulate their enzymatic-like activity from different perspectives. The mechanisms behind those methods are intriguing. In this Review, we introduce these mechanisms from the aspects of surface chemistry, surface modification, molecular imprinting, and hybridization and then focus attention on some specific catalytic mechanisms of several representative nanozymes. The applications of nanozymes ranging from bioassay, imaging, to disease therapy are also discussed in detail to prove the fact that the inherent physicochemical properties of nanomaterials not only make nanozymes the analogues of biological enzymes, but also endow them with incomparable advantages and broad prospects in biomedical fields. Finally, four characteristics and some challenges of nanozymes are summarized.
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Affiliation(s)
- Haijiao Dong
- School of Biological Science and Medical Engineering , Southeast University, State Key Laboratory of Bioelectronics, Jiangsu Key Laboratory for Biomaterials and Devices , Nanjing , Jiangsu 210096 , P.R. China
| | - Yaoyao Fan
- School of Biological Science and Medical Engineering , Southeast University, State Key Laboratory of Bioelectronics, Jiangsu Key Laboratory for Biomaterials and Devices , Nanjing , Jiangsu 210096 , P.R. China
| | - Wei Zhang
- School of Biological Science and Medical Engineering , Southeast University, State Key Laboratory of Bioelectronics, Jiangsu Key Laboratory for Biomaterials and Devices , Nanjing , Jiangsu 210096 , P.R. China.,The Jiangsu Province Research Institute for Clinical Medicine , The First Affiliated Hospital of Nanjing Medical University , Nanjing 210029 , P.R. China
| | - Ning Gu
- School of Biological Science and Medical Engineering , Southeast University, State Key Laboratory of Bioelectronics, Jiangsu Key Laboratory for Biomaterials and Devices , Nanjing , Jiangsu 210096 , P.R. China
| | - Yu Zhang
- School of Biological Science and Medical Engineering , Southeast University, State Key Laboratory of Bioelectronics, Jiangsu Key Laboratory for Biomaterials and Devices , Nanjing , Jiangsu 210096 , P.R. China
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47
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Nanoliposomal formulation encapsulating celecoxib and genistein inhibiting COX-2 pathway and Glut-1 receptors to prevent prostate cancer cell proliferation. Cancer Lett 2019; 448:1-10. [DOI: 10.1016/j.canlet.2019.01.002] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2018] [Revised: 12/18/2018] [Accepted: 01/08/2019] [Indexed: 12/21/2022]
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48
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Singh S. Nanomaterials Exhibiting Enzyme-Like Properties (Nanozymes): Current Advances and Future Perspectives. Front Chem 2019; 7:46. [PMID: 30805331 PMCID: PMC6370642 DOI: 10.3389/fchem.2019.00046] [Citation(s) in RCA: 135] [Impact Index Per Article: 27.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2018] [Accepted: 01/18/2019] [Indexed: 12/17/2022] Open
Abstract
Biological enzymes are macromolecular catalysts that catalyze the biochemical reactions of the natural systems. Although each enzyme performs a particular function, however, holds several drawbacks, which limits its utilization in broad-spectrum applications. Natural enzymes require strict physiological conditions for performing catalytic functions. Their limited stability in harsh environmental conditions, the high cost of synthesis, isolation, and purification are some of the significant drawbacks. Therefore, as an alternative to natural enzymes, recently several strategies have been developed including the synthesis of molecules, complexes, and nanoparticles mimicking their intrinsic catalytic properties. Nanoparticles exhibiting the properties of an enzyme are termed as “nanozymes.” Nanozymes offer several advantages over natural enzymes, therefore, a rapid expansion of the development of artificial biocatalysts. These advantages include simple methods of synthesis, low cost, high stability, robust catalytic performance, and smooth surface modification of nanomaterials. In this context, nanozymes are tremendously being explored to establish a wide range of applications in biosensing, immunoassays, disease diagnosis and therapy, theranostics, cell/tissue growth, protection from oxidative stress, and removal of pollutants. Considering the importance of nanozymes, this article has been designed to comprehensively discuss the different enzyme-like properties, such as peroxidase, catalase, superoxide dismutase, and oxidase, exhibited by various nanoparticles.
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Affiliation(s)
- Sanjay Singh
- Division of Biological and Life Sciences, School of Arts and Sciences, Ahmedabad University, Ahmedabad, India
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49
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Jiang L, Xu Y, Zhang P, Zhang Y, Li H, Chen J, Liu S, Zeng Q. Functional MoS2 nanosheets inhibit melanogenesis to enhance UVB/X-ray induced damage. J Mater Chem B 2019. [DOI: 10.1039/c9tb00419j] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
We produced highly dispersed MoS2 nanosheets in water with the assistance of tryptophan (Trp) to inhibit melanogenesis by suppressing ROS production.
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Affiliation(s)
- Ling Jiang
- Department of Dermatology
- Third Xiangya Hospital
- Central South University
- Changsha
- China
| | - Yanyan Xu
- Institute of Chemical Biology and Nanomedicine (ICBN)
- State Key Laboratory of Chemo/Biosensing and Chemometrics
- College of Biology
- College of Chemistry and Chemical Engineering
- Hunan University
| | - Pei Zhang
- Institute of Chemical Biology and Nanomedicine (ICBN)
- State Key Laboratory of Chemo/Biosensing and Chemometrics
- College of Biology
- College of Chemistry and Chemical Engineering
- Hunan University
| | - Yi Zhang
- Hunan Key Lab of Mineral Materials and Application
- Central South University
- Changsha
- China
- School of Minerals Processing and Bioengineering
| | - Huimin Li
- Institute of Chemical Biology and Nanomedicine (ICBN)
- State Key Laboratory of Chemo/Biosensing and Chemometrics
- College of Biology
- College of Chemistry and Chemical Engineering
- Hunan University
| | - Jing Chen
- Department of Dermatology
- Third Xiangya Hospital
- Central South University
- Changsha
- China
| | - Song Liu
- Institute of Chemical Biology and Nanomedicine (ICBN)
- State Key Laboratory of Chemo/Biosensing and Chemometrics
- College of Biology
- College of Chemistry and Chemical Engineering
- Hunan University
| | - Qinghai Zeng
- Department of Dermatology
- Third Xiangya Hospital
- Central South University
- Changsha
- China
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50
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Singh R, Singh S. Redox-dependent catalase mimetic cerium oxide-based nanozyme protect human hepatic cells from 3-AT induced acatalasemia. Colloids Surf B Biointerfaces 2018; 175:625-635. [PMID: 30583218 DOI: 10.1016/j.colsurfb.2018.12.042] [Citation(s) in RCA: 50] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2018] [Revised: 11/28/2018] [Accepted: 12/16/2018] [Indexed: 12/25/2022]
Abstract
Recently, CeNPs have emerged as an effective therapeutic agent due to their redox-active nature encompassing the ability to switch between +4 or +3 oxidation states of surface "Ce" atoms. CeNPs with predominantly high Ce +4 oxidation state have been shown to exhibit biological catalase enzyme-like activity. Catalase enzyme is naturally present in mammalian cells and facilitates the protection from reactive oxygen species (ROS), generated due to decomposition of hydrogen peroxide (H2O2). Inactivation of cellular catalase enzyme is known to cause several diseases such as acatalasemia, type 2 diabetes mellitus, and vitiligo. In this study, we have artificially inhibited the activity of cellular catalase enzyme from human liver cells (WRL-68) using 3-Amino-1,2,4-Triazole (3-AT). Further, CeNPs was used for imparting protective effect against the deleterious effects of elevated cellular H2O2 concentration. Our results suggest that CeNPs (+4) can protect hepatic cells from cytotoxicity and genetic damage from the high concentrations of H2O2 in the absence of functional catalase enzyme. CeNPs were efficiently internalized in WRL-68 cells and effectively scavenge the free radicals generated due to elevated H2O2 inside the cells. Additionally, CeNPs were also shown to protect cells from undergoing early apoptosis and DNA damage induced due to the 3-AT exposure. Moreover, CeNPs did not elicit the natural antioxidant defense system of the cells even in the absence of functional catalase enzyme, suggesting that the observed protection was due to the H2O2 degradation activity of CeNPs (+4). Our finding substantiates the reinforcement of CeNPs as pharmacological agents for the treatment of diseases related to nonfunctional biological catalase enzyme in the mammalian cells.
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Affiliation(s)
- Ragini Singh
- Division of Biological and Life Sciences, School of Arts and Science, Ahmedabad University, Central campus, Navrangpura, Ahmedabad, 380009, Gujarat, India
| | - Sanjay Singh
- Division of Biological and Life Sciences, School of Arts and Science, Ahmedabad University, Central campus, Navrangpura, Ahmedabad, 380009, Gujarat, India.
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