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Tan YZ, Thomsen LR, Shrestha N, Camisasca A, Giordani S, Rosengren R. Short-Term Intravenous Administration of Carbon Nano-Onions is Non-Toxic in Female Mice. Int J Nanomedicine 2023; 18:3897-3912. [PMID: 37483316 PMCID: PMC10361275 DOI: 10.2147/ijn.s414438] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2023] [Accepted: 07/13/2023] [Indexed: 07/25/2023] Open
Abstract
Background A nanoscale drug carrier could have a variety of therapeutic and diagnostic uses provided that the carrier is biocompatible in vivo. Carbon nano-onions (CNOs) have shown promising results as a nanocarrier for drug delivery. However, the systemic effect of CNOs in rodents is unknown. Therefore, we investigated the toxicity of CNOs following intravenous administration in female BALB/c mice. Results Single or repeated administration of oxi-CNOs (125, 250 or 500 µg) did not affect mouse behavior or organ weight and there was also no evidence of hepatotoxicity or nephrotoxicity. Histological examination of organ slices revealed a significant dose-dependent accumulation of CNO aggregates in the spleen, liver and lungs (p<0.05, ANOVA), with a trace amount of aggregates appearing in the kidneys. However, CNO aggregates in the liver did not affect CYP450 enzymes, as total hepatic CYP450 as well as CYP3A catalytic activity, as meased by erythromycin N-demethylation, and protein levels showed no significant changes between the treatment groups compared to vehicle control. CNOs also failed to act as competitive inhibitors of CYP3A in vitro in both mouse and human liver microsomes. Furthermore, CNOs did not cause oxidative stress, as indicated by the unchanged malondialdehyde levels and superoxide dismutase activity in liver microsomes and organ homogenates. Conclusion This study provides the first evidence that short-term intravenous administration of oxi-CNOs is non-toxic to female mice and thus could be a promising novel and safe drug carrier.
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Affiliation(s)
- Yi Zhen Tan
- Department of Pharmacology and Toxicology, University of Otago, Dunedin, 9016, New Zealand
| | - Lucy R Thomsen
- Department of Pharmacology and Toxicology, University of Otago, Dunedin, 9016, New Zealand
| | - Nensi Shrestha
- Department of Pharmacology and Toxicology, University of Otago, Dunedin, 9016, New Zealand
| | - Adalberto Camisasca
- School of Chemical Sciences, Dublin City University, Glasnevin, Dublin, D09 NA55, Ireland
| | - Silvia Giordani
- School of Chemical Sciences, Dublin City University, Glasnevin, Dublin, D09 NA55, Ireland
| | - Rhonda Rosengren
- Department of Pharmacology and Toxicology, University of Otago, Dunedin, 9016, New Zealand
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Amouei Torkmahalleh M, Naseri M, Nurzhan S, Gabdrashova R, Bekezhankyzy Z, Gimnkhan A, Malekipirbazari M, Jouzizadeh M, Tabesh M, Farrokhi H, Mehri-Dehnavi H, Khanbabaie R, Sadeghi S, Khatir AA, Sabanov S, Buonanno G, Hopke PK, Cassee F, Crape B. Human exposure to aerosol from indoor gas stove cooking and the resulting nervous system responses. INDOOR AIR 2022; 32:e12983. [PMID: 35037300 DOI: 10.1111/ina.12983] [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: 09/15/2021] [Revised: 12/08/2021] [Accepted: 12/24/2021] [Indexed: 06/14/2023]
Abstract
Our knowledge of the effects of exposure to indoor ultrafine particles (sub-100 nm, #/cm3 ) on human brain activity is very limited. The effects of cooking ultrafine particles (UFP) on healthy adults were assessed using an electroencephalograph (EEGs) for brain response. Peak ultrafine particle concentrations were approximately 3 × 105 particle/cm3, and the average level was 1.64 × 105 particle/cm3 . The average particle number emission rate (S) and the average number decay rate (a+k) for chicken frying in brain experiments were calculated to be 2.82 × 1012 (SD = 1.83 × 1012 , R2 = 0.91, p = 0.0013) particles/min, 0.47 (SD = 0.30, R2 = 0.90, p < 0.0001) min-1 , respectively. EEGs were recorded before and during cooking (14 min) and 30 min after the cooking sessions. The brain fast-wave band (beta) decreased during exposure, similar to people with neurodegenerative diseases. It subsequently increased to its pre-exposure condition for 70% of the study participants after 30 min. The brain slow-wave band to fast-wave band ratio (theta/beta ratio) increased during and after exposure, similar to observed behavior in early-stage Alzheimer's disease (AD) patients. The brain then tended to return to its normal condition within 30 min following the exposure. This study suggests that chronically exposed people to high concentrations of cooking aerosol might progress toward AD.
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Affiliation(s)
- Mehdi Amouei Torkmahalleh
- Department of Chemical and Materials Engineering, School of Engineering and Digital Sciences, Nazarbayev University, Nur-Sultan, Kazakhstan
| | - Motahareh Naseri
- Department of Chemical and Materials Engineering, School of Engineering and Digital Sciences, Nazarbayev University, Nur-Sultan, Kazakhstan
| | - Sholpan Nurzhan
- Department of Biology, School of Sciences and Humanities, Nazarbayev University, Nur-Sultan, Kazakhstan
| | - Raikhangul Gabdrashova
- Department of Biology, School of Sciences and Humanities, Nazarbayev University, Nur-Sultan, Kazakhstan
| | - Zhibek Bekezhankyzy
- Department of Chemistry, School of Sciences and Humanities, Nazarbayev University, Nur-Sultan, Kazakhstan
| | - Aidana Gimnkhan
- Department of Chemistry, School of Sciences and Humanities, Nazarbayev University, Nur-Sultan, Kazakhstan
| | | | - Mojtaba Jouzizadeh
- Department of Physics, Neuroscience Laboratory, Babol Noshirvani University of Technology, Babol, Iran
| | - Mahsa Tabesh
- Department of Physics, Neuroscience Laboratory, Babol Noshirvani University of Technology, Babol, Iran
| | - Hamta Farrokhi
- Department of Physics, Neuroscience Laboratory, Babol Noshirvani University of Technology, Babol, Iran
| | - Hossein Mehri-Dehnavi
- Department of Physics, Neuroscience Laboratory, Babol Noshirvani University of Technology, Babol, Iran
| | - Reza Khanbabaie
- Department of Physics, Neuroscience Laboratory, Babol Noshirvani University of Technology, Babol, Iran
| | - Sahar Sadeghi
- Department of Chemical and Materials Engineering, School of Engineering and Digital Sciences, Nazarbayev University, Nur-Sultan, Kazakhstan
- Biomedical Engineering Team, Haj Azizi Hospital, Mazandaran University of Medical Sciences, Sari, Iran
| | - Ali Alizadeh Khatir
- Department of Neurology, School of Medicine, Babol University of Medical Sciences, Babol, Iran
- Mobility Impairment Research Center, Babol University of Medical Sciences, Babol, Iran
- Clinical Research Development Unite of Rouhani Hospital, Babol University of Medical Sciences, Babol, Iran
| | - Sergei Sabanov
- Department of Mining, School of Mining and Geosciences, Nur-Sultan, Kazakhstan
| | - Giorgio Buonanno
- Department of Civil and Mechanical Engineering, University of Cassino and Southern Lazio, Cassino, Italy
| | - Philip K Hopke
- Department of Public Health Sciences, University of Rochester Medical Center, Rochester, New York, USA
| | - Flemming Cassee
- National Institute for Public Health and the Environment, Bilthoven, The Netherlands
| | - Byron Crape
- Department of Medicine, School of Medicine, Nazarbayev University, Nur-Sultan, Kazakhstan
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3
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Yokoyama K, Yamada Y, Akamatsu Y, Yoshinaka Y, Yamamoto A, Koizumi T, Ohyama K, Suzuki K, Hashimoto M, Sato H, Kimura M. Effects of Capsinoids on Daily Physical Activity, Body Composition and Cold Hypersensitivity in Middle-Aged and Older Adults: A Randomized Study. Nutrients 2020; 12:nu12010212. [PMID: 31947529 PMCID: PMC7019503 DOI: 10.3390/nu12010212] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2019] [Revised: 01/05/2020] [Accepted: 01/09/2020] [Indexed: 01/15/2023] Open
Abstract
Sedentary/inactive lifestyle leads middle-aged and older adults to metabolic syndrome and frailty. Capsinoids from nonpungent chili pepper cultivar have been reported to reduce body fat mass, promote metabolism, and improve unidentified complaints of chills. Additionally, they have an anti-inflammation effect; therefore, we hypothesized that continuous oral ingestion of capsinoids alleviates age-related inflammation in the brain and improves the physical activity (PA) in middle-aged and older adults. In our double-blind human study, 69 participants (17 male, 52 female; mean age: 74.1 ± 7.7 years; range: 52–87 years) were administered either 9 mg of capsinoids which were extracted from pepper fruit variety CH-19 Sweet (Capsicum anuum L.) (CP group), or a placebo (PL group) daily over a 3 month period. In an animal study, PA and inflammation-related mRNA expression in the brain were examined in 5-week (young) and 53-week (old) aged mice fed a diet with or without 0.3% dihydrocapsiate, a type of capsinoids, for 12 weeks. In a human study, capsinoids intake did not increase the amount of light-to-moderate PA less than 6.0 metabolic equivalents (METs) (CP: 103.0 ± 28.2 at baseline to 108.2 ± 28.3 at 12 weeks; PL: 104.6 ± 19.8 at baseline to 115.2 ± 23.6 at 12 weeks, METs × hour/week); however, in participants exhibiting an inactive lifestyle, it showed significant increase (CP: 84.5 ± 17.2 at baseline to 99.2 ± 24.9 at 12 weeks; PL: 99.7 ± 23.3 at baseline to 103.8 ± 21.9 at 12 weeks). The energy expenditure in physical activity also improved in the inactive CP group (CP: 481.2 ± 96.3 at baseline to 562.5 ± 145.5 at 12 weeks; PL: 536.8 ± 112.2 at baseline to 598.6 ± 127.6 at 12 weeks; kcal/day). In all participants, CP showed reduced waist circumference, percent body fat, and visceral fat volume; in addition, chills were eased in subjects aged 80 years and older. The older mice fed capsinoids showed increased locomotion activity, decreased inflammation, and oxidative stress in the brain. The results suggest that the continuous oral ingestion of capsinoids gains PA through anti-inflammation effect in the brain as well as reduces fat accumulation and chills in inactive and older humans.
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Affiliation(s)
- Keiichi Yokoyama
- Institute for Active Health, Institutes of Interdisciplinary Research, Kyoto University of Advanced Science, 1-1 Nanjo Otani, Sogabe-cho, Kameoka-city, Kyoto 621-8555, Japan; (Y.Y.); (M.K.)
- Nonprofit Organization Genki-up AGE Project, Kameoka-city, Kyoto 621-8555, Japan;
- Correspondence: ; Tel.: +81-90-3700-9086; Fax: +81-771-29-2354
| | - Yosuke Yamada
- Institute for Active Health, Institutes of Interdisciplinary Research, Kyoto University of Advanced Science, 1-1 Nanjo Otani, Sogabe-cho, Kameoka-city, Kyoto 621-8555, Japan; (Y.Y.); (M.K.)
- Nonprofit Organization Genki-up AGE Project, Kameoka-city, Kyoto 621-8555, Japan;
| | - Yasunori Akamatsu
- Center for Faculty Development, Kyoto University of Advanced Science, 1-1 Nanjo Otani, Sogabe-cho, Kameoka-city, Kyoto 621-8555, Japan;
- Department of Endocrinology, Metabolism, and Hypertension Research, Clinical Research Institute, National Hospital Organization Kyoto Medical Center, 1-1 Mukaihata-cho, Fukakusa, Fushimi-ku, Kyoto City, Kyoto 612-8555, Japan
| | - Yasuko Yoshinaka
- Nonprofit Organization Genki-up AGE Project, Kameoka-city, Kyoto 621-8555, Japan;
- Center for Faculty Development, Kyoto University of Advanced Science, 1-1 Nanjo Otani, Sogabe-cho, Kameoka-city, Kyoto 621-8555, Japan;
| | - Akiko Yamamoto
- Ajinomoto Co., Inc., Institute of Food Sciences & Technologies, 1-1 Suzuki-cho, Kawasaki-ku, Kawasaki City, Kanagawa 210-8681, Japan; (A.Y.); (T.K.); (K.S.)
| | - Tomonori Koizumi
- Ajinomoto Co., Inc., Institute of Food Sciences & Technologies, 1-1 Suzuki-cho, Kawasaki-ku, Kawasaki City, Kanagawa 210-8681, Japan; (A.Y.); (T.K.); (K.S.)
| | - Kana Ohyama
- Ajinomoto Co., Inc., Task Force for Nutrition Strategy, 15-1, Kyobashi 1-chome, Chuo-ku, Tokyo 104-8315, Japan;
| | - Katsuya Suzuki
- Ajinomoto Co., Inc., Institute of Food Sciences & Technologies, 1-1 Suzuki-cho, Kawasaki-ku, Kawasaki City, Kanagawa 210-8681, Japan; (A.Y.); (T.K.); (K.S.)
| | - Masaki Hashimoto
- Ajinomoto Co., Inc., Direct Marketing Department, 15-1, Kyobashi 1-chome, Chuo-ku, Tokyo 104-8315, Japan;
| | - Hitoshi Sato
- Ajinomoto Co., Inc., Quality Assurance Department, 15-1, Kyobashi 1-chome, Chuo-ku, Tokyo 104-8315, Japan;
| | - Misaka Kimura
- Institute for Active Health, Institutes of Interdisciplinary Research, Kyoto University of Advanced Science, 1-1 Nanjo Otani, Sogabe-cho, Kameoka-city, Kyoto 621-8555, Japan; (Y.Y.); (M.K.)
- Nonprofit Organization Genki-up AGE Project, Kameoka-city, Kyoto 621-8555, Japan;
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Yan H, Xue Z, Xie J, Dong Y, Ma Z, Sun X, Kebebe Borga D, Liu Z, Li J. Toxicity of Carbon Nanotubes as Anti-Tumor Drug Carriers. Int J Nanomedicine 2019; 14:10179-10194. [PMID: 32021160 PMCID: PMC6946632 DOI: 10.2147/ijn.s220087] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2019] [Accepted: 11/25/2019] [Indexed: 12/25/2022] Open
Abstract
Nanoparticle drug formulations have enormous application prospects owing to achievement of targeted and sustained release drug delivery, improvement in drug solubility and reduction of adverse drug reactions. Recently, a variety of efficient drug nanometer carriers have been developed, among which carbon nanotubes (CNT) have been increasingly utilized in the field of cancer therapy. However, these nanotubes exert various toxic effects on the body due to their unique physical and chemical properties. CNT-induced toxicity is related to surface modification, degree of aggregation in vivo, and nanoparticle concentration. This review has focused on the potential toxic effects of CNTs utilized as anti-tumor drug carriers. The main modes by which CNTs enter target sites, the toxicity expressive types and the factors affecting toxicity are discussed.
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Affiliation(s)
- Hongli Yan
- Engineering Research Center of Modern Chinese Medicine Discovery and Preparation Technique, Ministry of Education, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, People's Republic of China.,Institute of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, People's Republic of China
| | - Zhifeng Xue
- Engineering Research Center of Modern Chinese Medicine Discovery and Preparation Technique, Ministry of Education, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, People's Republic of China.,Institute of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, People's Republic of China
| | - Jiarong Xie
- Engineering Research Center of Modern Chinese Medicine Discovery and Preparation Technique, Ministry of Education, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, People's Republic of China.,Institute of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, People's Republic of China
| | - Yixiao Dong
- Engineering Research Center of Modern Chinese Medicine Discovery and Preparation Technique, Ministry of Education, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, People's Republic of China.,Institute of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, People's Republic of China
| | - Zhe Ma
- Engineering Research Center of Modern Chinese Medicine Discovery and Preparation Technique, Ministry of Education, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, People's Republic of China.,Institute of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, People's Republic of China
| | - Xinru Sun
- Engineering Research Center of Modern Chinese Medicine Discovery and Preparation Technique, Ministry of Education, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, People's Republic of China.,Institute of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, People's Republic of China
| | - Dereje Kebebe Borga
- Engineering Research Center of Modern Chinese Medicine Discovery and Preparation Technique, Ministry of Education, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, People's Republic of China.,Institute of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, People's Republic of China.,School of Pharmacy, Institute of Health Sciences, Jimma University, Jimma, Ethiopia
| | - Zhidong Liu
- Engineering Research Center of Modern Chinese Medicine Discovery and Preparation Technique, Ministry of Education, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, People's Republic of China.,Institute of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, People's Republic of China
| | - Jiawei Li
- Institute of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, People's Republic of China.,Institute of Chinese Materia Medica, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, People's Republic of China
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5
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Ge D, Du Q, Ran B, Liu X, Wang X, Ma X, Cheng F, Sun B. The neurotoxicity induced by engineered nanomaterials. Int J Nanomedicine 2019; 14:4167-4186. [PMID: 31239675 PMCID: PMC6559249 DOI: 10.2147/ijn.s203352] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2019] [Accepted: 04/09/2019] [Indexed: 12/17/2022] Open
Abstract
Engineered nanomaterials (ENMs) have been widely used in various fields due to their novel physicochemical properties. However, the use of ENMs has led to an increased exposure in humans, and the safety of ENMs has attracted much attention. It is universally acknowledged that ENMs could enter the human body via different routes, eg, inhalation, skin contact, and intravenous injection. Studies have proven that ENMs can cross or bypass the blood-brain barrier and then access the central nervous system and cause neurotoxicity. Until now, diverse in vivo and in vitro models have been developed to evaluate the neurotoxicity of ENMs, and oxidative stress, inflammation, DNA damage, and cell death have been identified as being involved. However, due to various physicochemical properties of ENMs and diverse study models in existing studies, it remains challenging to establish the structure-activity relationship of nanomaterials in neurotoxicity. In this paper, we aimed to review current studies on ENM-induced neurotoxicity, with an emphasis on the molecular and cellular mechanisms involved. We hope to provide a rational material design strategy for ENMs when they are applied in biomedical or other engineering applications.
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Affiliation(s)
- Dan Ge
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian116024, People’s Republic of China
- Department of Chemical Engineering, Dalian University of Technology, Dalian116024, People’s Republic of China
| | - Qiqi Du
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian116024, People’s Republic of China
- Department of Chemical Engineering, Dalian University of Technology, Dalian116024, People’s Republic of China
| | - Bingqing Ran
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian116024, People’s Republic of China
- Department of Chemical Engineering, Dalian University of Technology, Dalian116024, People’s Republic of China
| | - Xingyu Liu
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian116024, People’s Republic of China
- Department of Chemical Engineering, Dalian University of Technology, Dalian116024, People’s Republic of China
| | - Xin Wang
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian116024, People’s Republic of China
- Department of Chemical Engineering, Dalian University of Technology, Dalian116024, People’s Republic of China
| | - Xuehu Ma
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian116024, People’s Republic of China
| | - Fang Cheng
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian116024, People’s Republic of China
- Department of Pharmaceutical Science and Technology, Dalian University of Technology, Dalian116024, People’s Republic of China
| | - Bingbing Sun
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian116024, People’s Republic of China
- Department of Chemical Engineering, Dalian University of Technology, Dalian116024, People’s Republic of China
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Barakat R, Lin PC, Park CJ, Best-Popescu C, Bakry HH, Abosalem ME, Abdelaleem NM, Flaws JA, Ko C. Prenatal Exposure to DEHP Induces Neuronal Degeneration and Neurobehavioral Abnormalities in Adult Male Mice. Toxicol Sci 2018; 164:439-452. [PMID: 29688563 PMCID: PMC6061835 DOI: 10.1093/toxsci/kfy103] [Citation(s) in RCA: 72] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Phthalates are a family of synthetic chemicals that are used in producing a variety of consumer products. Di-(2-ethylhexyl) phthalate (DEHP) is an widely used phthalate and poses a public health concern. Prenatal exposure to DEHP has been shown to induce premature reproductive senescence in animal studies. In this study, we tested the hypothesis that prenatal exposure to DEHP impairs neurobehavior and recognition memory in her male offspring and we investigated one possible mechanism-oxidative damage in the hippocampus. Pregnant CD-1 female mice were orally administered 200 μg, 500 mg, or 750 mg/kg/day DEHP or vehicle from gestational day 11 until birth. The neurobehavioral impact of the prenatal DEHP exposure was assessed at the ages of 16-22 months. Elevated plus maze and open field tests were used to measure anxiety levels. Y-maze and novel object recognition tests were employed to measure memory function. The oxidative damage in the hippocampus was measured by the levels of oxidative DNA damage and by Spatial light interference microscopic counting of hippocampal neurons. Adult male mice that were prenatally exposed to DEHP exhibited anxious behaviors and impaired spatial and short-term recognition memory. The number of hippocampal pyramidal neurons was significantly decreased in the DEHP mice. Furthermore, DEHP mice expressed remarkably high levels of cyclooxygenase-2, 8-hydroxyguanine, and thymidine glycol in their hippocampal neurons. DEHP mice also had lower circulating testosterone concentrations and displayed a weaker immunoreactivity than the control mice to androgen receptor expression in the brain. This study found that prenatal exposure to DEHP caused elevated anxiety behavior and impaired recognition memory. These behavioral changes may originate from neurodegeneration caused by oxidative damage and inflammation in the hippocampus. Decreased circulating testosterone concentrations and decreased expression of androgen receptor in the brain also may be factors contributing to the impaired neurobehavior in the DEHP mice.
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Affiliation(s)
- Radwa Barakat
- Department of Comparative Biosciences, College of Veterinary Medicine, University of Illinois at Urbana-Champaign, Illinois 61802
- Department of Toxicology, Faculty of Veterinary Medicine, Benha University, Qalyubia 13518, Egypt
| | - Po-Ching Lin
- Department of Comparative Biosciences, College of Veterinary Medicine, University of Illinois at Urbana-Champaign, Illinois 61802
| | - Chan Jin Park
- Department of Comparative Biosciences, College of Veterinary Medicine, University of Illinois at Urbana-Champaign, Illinois 61802
| | - Catherine Best-Popescu
- Department of Bioengineering, University of Illinois at Urbana-Champaign, Illinois 61801
| | - Hatem H Bakry
- Department of Toxicology, Faculty of Veterinary Medicine, Benha University, Qalyubia 13518, Egypt
| | - Mohamed E Abosalem
- Department of Toxicology, Faculty of Veterinary Medicine, Benha University, Qalyubia 13518, Egypt
| | - Nabila M Abdelaleem
- Department of Toxicology, Faculty of Veterinary Medicine, Benha University, Qalyubia 13518, Egypt
| | - Jodi A Flaws
- Department of Comparative Biosciences, College of Veterinary Medicine, University of Illinois at Urbana-Champaign, Illinois 61802
| | - CheMyong Ko
- Department of Comparative Biosciences, College of Veterinary Medicine, University of Illinois at Urbana-Champaign, Illinois 61802
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Fernandes LF, Bruch GE, Massensini AR, Frézard F. Recent Advances in the Therapeutic and Diagnostic Use of Liposomes and Carbon Nanomaterials in Ischemic Stroke. Front Neurosci 2018; 12:453. [PMID: 30026685 PMCID: PMC6041432 DOI: 10.3389/fnins.2018.00453] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2018] [Accepted: 06/13/2018] [Indexed: 12/11/2022] Open
Abstract
The complexity of the central nervous system (CNS), its limited self-repairing capacity and the ineffective delivery of most CNS drugs to the brain contribute to the irreversible and progressive nature of many neurological diseases and also the severity of the outcome. Therefore, neurological disorders belong to the group of pathologies with the greatest need of new technologies for diagnostics and therapeutics. In this scenario, nanotechnology has emerged with innovative and promising biomaterials and tools. This review focuses on ischemic stroke, being one of the major causes of death and serious long-term disabilities worldwide, and the recent advances in the study of liposomes and carbon nanomaterials for therapeutic and diagnostic purposes. Ischemic stroke occurs when blood flow to the brain is insufficient to meet metabolic demand, leading to a cascade of physiopathological events in the CNS including local blood brain barrier (BBB) disruption. However, to date, the only treatment approved by the FDA for this pathology is based on the potentially toxic tissue plasminogen activator. The techniques currently available for diagnosis of stroke also lack sensitivity. Liposomes and carbon nanomaterials were selected for comparison in this review, because of their very distinct characteristics and ranges of applications. Liposomes represent a biomimetic system, with composition, structural organization and properties very similar to biological membranes. On the other hand, carbon nanomaterials, which are not naturally encountered in the human body, exhibit new modes of interaction with biological molecules and systems, resulting in unique pharmacological properties. In the last years, several neuroprotective agents have been evaluated under the encapsulated form in liposomes, in experimental models of stroke. Effective drug delivery to the brain and neuroprotection were achieved using stealth liposomes bearing targeting ligands onto their surface for brain endothelial cells and ischemic tissues receptors. Carbon nanomaterials including nanotubes, fullerenes and graphene, started to be investigated and potential applications for therapy, biosensing and imaging have been identified based on their antioxidant action, their intrinsic photoluminescence, their ability to cross the BBB, transitorily decrease the BBB paracellular tightness, carry oligonucleotides and cells and induce cell differentiation. The potential future developments in the field are finally discussed.
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Affiliation(s)
| | | | - André R. Massensini
- Departamento de Fisiologia e Biofísica, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Frédéric Frézard
- Departamento de Fisiologia e Biofísica, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
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Chemical composition, antioxidant potential, macromolecule damage and neuroprotective activity of Convolvulus pluricaulis. J Tradit Complement Med 2018; 8:483-496. [PMID: 30302329 PMCID: PMC6174265 DOI: 10.1016/j.jtcme.2017.11.002] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2017] [Revised: 11/01/2017] [Accepted: 11/09/2017] [Indexed: 12/18/2022] Open
Abstract
Herbal medicines are known to mitigate radical induced cell damage. Hence identification and scientific validation of herbal medicines contribute to better use in Ayurvedic/Unani research. In the present study, we investigated antioxidant and anti-apoptotic properties of Convolvulus pluricaulis (C. pluricaulis). C. pluricaulis exhibited antioxidant potential evident by free radical scavenging activities. C. pluricaulis pretreatment inhibited H2O2 induced macromolecule damage such as plasmid DNA damage and AAPH induced oxidation of bovine serum albumin and lipid peroxidation of rat hepatic tissues. Further to identify the neuroprotective properties of C. pluricaulis, SHSY5Y cells were treated with H2O2 with or without pretreatment of C. pluricaulis. The C. pluricaulis pretreatment at 50 μg/ml dose exhibited 50% cell survival against 100 μM H2O2 challenge for 24 h and it also decreased the lactate dehydrogenase leakage. Further C. pluricaulis pretreatment restored and regulated the antioxidant and apoptosis markers such as SOD, CAT, p53, and caspase-3 and inhibited, reactive oxygen species generation and depolarization of the mitochondrial membrane. C. pluricaulis possess a high content of flavonoids and polyphenols and GC-MS and FTIR analysis showed a wide variety of compounds which may contribute to the observed effects.
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Zhang X, Zhao Y, Song J, Yang X, Zhang J, Zhang Y, Li R. Differential Health Effects of Constant versus Intermittent Exposure to Formaldehyde in Mice: Implications for Building Ventilation Strategies. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2018; 52:1551-1560. [PMID: 29293324 DOI: 10.1021/acs.est.7b05015] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
Formaldehyde, an air pollutant in the indoor environment, may have severe effects on human health. The aim of this study is to compare the health effects caused by intermittent exposure to formaldehyde (based on real monitoring) to those caused by exposures at constant concentration. Health effects explored in this study including the oxidative stress, histopathological changes, inflammatory responses, etc. Mice were divided into three groups and exposed to intermittent concentration formaldehyde (0.8 ppm for 12 h and 0 ppm for another 12 h), or constant concentration formaldehyde (0.4 ppm for 24 h) or zero concentration formaldehyde (reference) per day for 7, 14, and 28 days. Following these exposures, bronchoalveolar lavage fluid (BALF), lung tissue and lung tissue homogenate were prepared to measure biomarkers of oxidative stress (ROS, MDA, GSH), histopathological changes, inflammatory responses (EOS, NEU, LYM, IL-4, IL-5, IL-13, IL-6, IL-17A, NF-κB, IL-1β) and apoptosis (caspase-3). Compared to the constant exposure, intermittent exposure to fluctuating formaldehyde concentrations resulted in more profound increases in numbers of inflammatory cells in the BALF, greater biological alterations including apoptosis. The findings imply that with the same average indoor formaldehyde concentrations over the same time, a ventilation strategy to avoid higher peak concentrations would lead to lower health risks.
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Affiliation(s)
- Xu Zhang
- Department of Building Science, Tsinghua University , Beijing 100084, China
- Beijing Key Laboratory of Indoor Air Quality Evaluation and Control , Beijing 100084, China
| | - Yun Zhao
- Hubei Key Laboratory of Genetic Regulation and Integrative Biology, School of Life Sciences, Central China Normal University , Wuhan 430079, Hubei China
| | - Jing Song
- Hubei Key Laboratory of Genetic Regulation and Integrative Biology, School of Life Sciences, Central China Normal University , Wuhan 430079, Hubei China
| | - Xu Yang
- Hubei Key Laboratory of Genetic Regulation and Integrative Biology, School of Life Sciences, Central China Normal University , Wuhan 430079, Hubei China
| | - Junfeng Zhang
- Global Health Institute and Nicholas School of the Environment, Duke University , Durham, North Carolina United States
- Duke Kunshan University , Kunshan, Jiangsu Province China
| | - Yinping Zhang
- Department of Building Science, Tsinghua University , Beijing 100084, China
- Beijing Key Laboratory of Indoor Air Quality Evaluation and Control , Beijing 100084, China
| | - Rui Li
- Hubei Key Laboratory of Genetic Regulation and Integrative Biology, School of Life Sciences, Central China Normal University , Wuhan 430079, Hubei China
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10
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Onoda A, Takeda K, Umezawa M. Pretreatment with N-acetyl cysteine suppresses chronic reactive astrogliosis following maternal nanoparticle exposure during gestational period. Nanotoxicology 2017; 11:1012-1025. [PMID: 29046125 DOI: 10.1080/17435390.2017.1388864] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Early pregnant employees are potentially and unintendedly exposed to industrial chemicals including nanoparticles. Developmental toxicity of nanoparticle exposure has been concerned because exposure to fine particle including carbon black nanoparticle (CB-NP) during the brain developmental stage enhances the risk of brain disorders. Maternal CB-NP exposure dose-dependently induces astrogliosis, which is an abnormal increase in the reactive astrocytes with glial fibrillary acidic protein (GFAP) and aquaporin-4 overexpression due to the destruction of nearby neurons and blood vessels. The present study aimed to investigate protective effects of antioxidants on the histopathological denaturation with astrogliosis following maternal CB-NP exposure in offspring mice, thereby to evaluate the role of oxidative stress on the developmental toxicity. Pregnant ICR mice were treated with CB-NP by intranasal instillation on gestational days 5 and 9. N-acetyl cysteine (NAC) or ascorbic acid was intraperitoneally administered to the pregnant mice 1 h prior to CB-NP instillation. The brains were collected from 6- to 12-week-old offspring mice and analyzed using western blotting and immunohistochemistry. NAC suppressed GFAP overexpression in 6- and 12-week-old offspring mice following maternal CB-NP exposure. However, NAC did not suppress aquaporin-4 overexpression following maternal CB-NP exposure. Ascorbic acid did not suppress, but rather slightly and significantly enhanced the expression of GFAP and aquaporin-4. These results indicate that astrogliosis by maternal CB-NP exposure is partially prevented by NAC pretreatment. Oxidative stress is a possible key factor of developmental neurotoxicity of maternal NP exposure. This study will contribute to elucidating the mechanisms underlying the effects of developmental neurotoxicity of NPs.
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Affiliation(s)
- Atsuto Onoda
- a Department of Hygienic Chemistry, Graduate School of Pharmaceutical Sciences , Tokyo University of Science , Noda , Chiba , Japan.,b The Center for Environmental Health Science for the Next Generation, Research Institute for Science and Technology , Organization for Research Advancement, Tokyo University of Science , Noda , Chiba , Japan.,c Research Fellow of Japan Society for the Promotion of Science , Chiyoda-ku , Tokyo , Japan
| | - Ken Takeda
- b The Center for Environmental Health Science for the Next Generation, Research Institute for Science and Technology , Organization for Research Advancement, Tokyo University of Science , Noda , Chiba , Japan
| | - Masakazu Umezawa
- b The Center for Environmental Health Science for the Next Generation, Research Institute for Science and Technology , Organization for Research Advancement, Tokyo University of Science , Noda , Chiba , Japan.,d Department of Materials Science and Technology, Faculty of Industrial Science and Technology , Tokyo University of Science , Katsushika , Tokyo , Japan
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11
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Liu X, Zhang Y, Luo C, Kang J, Li J, Wang K, Ma P, Yang X. At seeming safe concentrations, synergistic effects of PM 2.5 and formaldehyde co-exposure induces Alzheimer-like changes in mouse brain. Oncotarget 2017; 8:98567-98579. [PMID: 29228711 PMCID: PMC5716751 DOI: 10.18632/oncotarget.21637] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2017] [Accepted: 08/26/2017] [Indexed: 11/25/2022] Open
Abstract
Alzheimer's disease (AD) is a serious, common, global disease, yet its etiology and pathogenesis are incompletely understood. Air pollution is a multi-pollutants co-exposure system, which may affect brain. The indoor environment is where exposure to both air particulate matter (<2.5 μm in diameter) (PM2.5) and formaldehyde (FA) can occur simultaneously. Whether exposure to such a multi-pollutant (PM2.5 plus FA) mixture contributes to the development of AD, and whether there is a difference between exposure to PM2.5 or FA alone needs to be investigated. To determine the objective, C57BL/6J mice were exposed daily to PM2.5 (0.193 mg/Kg/day), FA (0.155 mg/Kg/day) or multi-pullutants (0.193 mg/Kg/day PM2.5 plus 0.155 mg/Kg/day FA) for one week. AD-like changes and upstream events were investigated after exposure. The results showed that exposure to PM2.5 or FA alone in this study had little or no adverse effects on the mouse brain. However, some AD-like pathologies were detected after multi-pullutants co-exposure. This work suggested PM2.5 plus FA co-exposure has more potential to induce AD-like pathologies than exposure alone. Oxidative stress and inflammation may be involved into the toxic mechanisms. Synergistic effects of co-exposure may induce the hygienic or safety standards of each pollutant not safe.
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Affiliation(s)
- Xudong Liu
- Laboratory of Environmental Biomedicine, Hubei Key Laboratory of Genetic Regulation and Integrative Biology, College of Life Science, Central China Normal University, Wuhan, China.,Department of Food science and Engineering, Moutai College, Renhuai, China
| | - Yuchao Zhang
- Department of Food science and Engineering, Moutai College, Renhuai, China
| | - Chen Luo
- Laboratory of Environmental Biomedicine, Hubei Key Laboratory of Genetic Regulation and Integrative Biology, College of Life Science, Central China Normal University, Wuhan, China
| | - Jun Kang
- Laboratory of Environmental Biomedicine, Hubei Key Laboratory of Genetic Regulation and Integrative Biology, College of Life Science, Central China Normal University, Wuhan, China
| | - Jinquan Li
- Laboratory of Environmental Biomedicine, Hubei Key Laboratory of Genetic Regulation and Integrative Biology, College of Life Science, Central China Normal University, Wuhan, China.,New York University School of Medicine, Tuxedo, New York, United States of America
| | - Kun Wang
- New York University School of Medicine, Tuxedo, New York, United States of America
| | - Ping Ma
- Research Center of Basic Medical Sciences, School of Basic Medical Sciences, Hubei University of Science and Technology, Xianning, China
| | - Xu Yang
- Laboratory of Environmental Biomedicine, Hubei Key Laboratory of Genetic Regulation and Integrative Biology, College of Life Science, Central China Normal University, Wuhan, China
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12
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Liu X, Guo Q, Zhang Y, Li J, Li R, Wu Y, Ma P, Yang X. Intraperitoneal Injection Is Not a Suitable Administration Route for Single-Walled Carbon Nanotubes in Biomedical Applications. Dose Response 2016; 14:1559325816681320. [PMID: 28405180 PMCID: PMC5384492 DOI: 10.1177/1559325816681320] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Given the extensive application of carbon nanotubes (CNTs) in biomedical fields, there is increasing concern regarding unintentional health impacts. Research into safe usage is therefore increasingly necessary. This study investigated the responses of the mouse brain to single-walled CNTs (SWCNTs) delivered via intraperitoneal (IP) injection and compared these results with the previous study where SWCNTs were delivered via intravenous (IV) injection so as to explore which administration route is potentially better for SWCNTs application. This study suggests SWCNTs delivered via IP injection can have negative effects on the mouse brain through oxidative stress and inflammation at high concentration exposure, but these responses were not consistent and showed no dose-dependent effect. In a previous study, the results showed that IV-delivered SWCNTs induced a more consistent and dose-dependent effect. The comparison of the 2 studies suggested that using SWCNTs at a safe dosage delivered via IV injection may be a better administration route for SWCNTs in biomedical applications.
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Affiliation(s)
- Xudong Liu
- Laboratory of Environmental Biomedicine, Hubei Key Laboratory of Genetic Regulation and Integrative Biology, College of Life Science, Central China Normal University, Wuhan, China; Department of Food science and Engineering, Moutai College, Renhuai, China
| | - Qing Guo
- Laboratory of Environmental Biomedicine, Hubei Key Laboratory of Genetic Regulation and Integrative Biology, College of Life Science, Central China Normal University, Wuhan, China
| | - Yuchao Zhang
- Department of Food science and Engineering, Moutai College, Renhuai, China
| | - Jinquan Li
- Laboratory of Environmental Biomedicine, Hubei Key Laboratory of Genetic Regulation and Integrative Biology, College of Life Science, Central China Normal University, Wuhan, China
| | - Rui Li
- Laboratory of Environmental Biomedicine, Hubei Key Laboratory of Genetic Regulation and Integrative Biology, College of Life Science, Central China Normal University, Wuhan, China
| | - Yang Wu
- College of Basic Medical Sciences, Hubei University of Science and Technology, Xianning, China
| | - Ping Ma
- College of Basic Medical Sciences, Hubei University of Science and Technology, Xianning, China
| | - Xu Yang
- Laboratory of Environmental Biomedicine, Hubei Key Laboratory of Genetic Regulation and Integrative Biology, College of Life Science, Central China Normal University, Wuhan, China
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Sayapina NV, Sergievich AA, Kuznetsov VL, Chaika VV, Lisitskaya IG, Khoroshikh PP, Batalova TA, Tsarouhas K, Spandidos D, Tsatsakis AM, Fenga C, Golokhvast KS. Influence of multi-walled carbon nanotubes on the cognitive abilities of Wistar rats. Exp Ther Med 2016; 12:1311-1318. [PMID: 27588053 PMCID: PMC4997982 DOI: 10.3892/etm.2016.3495] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2016] [Accepted: 05/17/2016] [Indexed: 12/20/2022] Open
Abstract
Studies of the neurobehavioral effects of carbon nanomaterials, particularly those of multi-walled carbon nanotubes (MWCNTs), have concentrated on cognitive effects, but data are scarce. The aim of this study was to assess the influence of MWCNTs on a number of higher nervous system functions of Wistar rats. For a period of 10 days, two experimental groups were fed with MWCNTs of different diameters (MWCNT-1 group, 8-10 nm; MWCNT-2 group, 18-20 nm) once a day at a dosage of 500 mg/kg. In the open-field test, reductions of integral indications of researching activity were observed for the two MWCNT-treated groups, with a parallel significant (P<0.01) increase in stress levels for these groups compared with the untreated control group. In the elevated plus-maze test, integral indices of researching activity in the MWCNT-1 and MWCNT-2 groups reduced by day 10 by 51 and 62%, respectively, while rat stress levels remained relatively unchanged. In the universal problem solving box test, reductions in motivation and energy indices of researching activity were observed in the two experimental groups. Searching activity in the MWCNT-1 group by day 3 was reduced by 50% (P<0.01) and in the MWCNT-2 group the relevant reduction reached 11.2%. By day 10, the reduction compared with controls, was 64% (P<0.01) and 58% (P<0.01) for the MWCNT-1 and MWCNT-2 groups, respectively. In conclusion, a series of specific tests demonstrated that MWCNT-treated rats experienced a significant reduction of some of their cognitive abilities, a disturbing and worrying finding, taking into consideration the continuing and accelerating use of carbon nanotubes in medicine and science.
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Affiliation(s)
- Nina V Sayapina
- Department of Physiology, Amur State Medical Academy, 675000 Blagoveshchensk, Russia
| | - Alexander A Sergievich
- Scientific Educational Center of Nanotechnology, Far Eastern Federal University, 690950 Vladivostok, Russia
| | - Vladimir L Kuznetsov
- Group of Surface Compounds Synthesis, Boreskov Institute of Catalysis SB RAS, 630090 Novosibirsk, Russia
| | - Vladimir V Chaika
- Scientific Educational Center of Nanotechnology, Far Eastern Federal University, 690950 Vladivostok, Russia
| | - Irina G Lisitskaya
- Scientific Educational Center of Nanotechnology, Far Eastern Federal University, 690950 Vladivostok, Russia
| | - Pavel P Khoroshikh
- Technical Institute, North-Eastern Federal University, 678962 Nerungri, Russia
| | - Tatyana A Batalova
- Department of Physiology, Amur State Medical Academy, 675000 Blagoveshchensk, Russia
| | - Kostas Tsarouhas
- Cardiology Department, University Hospital of Larissa, 41110 Thessaly, Greece
| | - Demetrios Spandidos
- Laboratory of Clinical Virology, Medical School, University of Crete, 74100 Heraklion, Greece
| | - Aristidis M Tsatsakis
- Scientific Educational Center of Nanotechnology, Far Eastern Federal University, 690950 Vladivostok, Russia; Department of Forensic Sciences and Toxicology, Medical School, University of Crete, 74100 Heraklion, Greece
| | - Concettina Fenga
- Department of Occupational Medicine, University of Messina, 98166 Messina, Italy
| | - Kirill S Golokhvast
- Scientific Educational Center of Nanotechnology, Far Eastern Federal University, 690950 Vladivostok, Russia
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14
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Cognitive deficits and anxiety induced by diisononyl phthalate in mice and the neuroprotective effects of melatonin. Sci Rep 2015; 5:14676. [PMID: 26424168 PMCID: PMC4589782 DOI: 10.1038/srep14676] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2014] [Accepted: 09/07/2015] [Indexed: 12/15/2022] Open
Abstract
Diisononyl phthalate (DINP) is a plasticizer that is frequently used as a substitute for other plasticizers whose use is prohibited in certain products. In vivo studies on the neurotoxicity of DINP are however, limited. This work aims to investigate whether DINP causes neurobehavioral changes in mice and to provide useful advice on preventing the occurrence of these adverse effects. Behavioral analysis showed that oral administration of 20 or 200 mg/kg/day DINP led to mouse cognitive deficits and anxiety. Brain histopathological observations, immunohistochemistry assays (cysteine-aspartic acid protease 3 [caspase-3], glial fibrillary acidic protein [GFAP]), oxidative stress assessments (reactive oxygen species [ROS], glutathione [GSH], superoxide dismutase [SOD] activities, 8-hydroxy-2-deoxyguanosine [8-OH-dG] and DNA-protein crosslinks [DPC]), and assessment of inflammation (tumor necrosis factor alpha [TNF-а] and interleukin-1 beta [IL-1β]) of mouse brains showed that there were histopathological alterations in the brain and increased levels of oxidative stress, and inflammation for these same groups. However, some of these effects were blocked by administration of melatonin (50 mg/kg/day). Down-regulation of oxidative stress was proposed to explain the neuroprotective effects of melatonin. The data suggests that DINP could cause cognitive deficits and anxiety in mice, and that melatonin could be used to avoid these adverse effects.
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Karimi M, Solati N, Ghasemi A, Estiar MA, Hashemkhani M, Kiani P, Mohamed E, Saeidi A, Taheri M, Avci P, Aref AR, Amiri M, Baniasadi F, Hamblin MR. Carbon nanotubes part II: a remarkable carrier for drug and gene delivery. Expert Opin Drug Deliv 2015; 12:1089-105. [PMID: 25613837 PMCID: PMC4475451 DOI: 10.1517/17425247.2015.1004309] [Citation(s) in RCA: 113] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
INTRODUCTION Carbon nanotubes (CNT) have recently been studied as novel and versatile drug and gene delivery vehicles. When CNT are suitably functionalized, they can interact with various cell types and are taken up by endocytosis. AREAS COVERED Anti-cancer drugs cisplatin and doxorubicin have been delivered by CNT, as well as methotrexate, taxol and gemcitabine. The delivery of the antifungal compound amphotericin B and the oral administration of erythropoietin have both been assisted using CNT. Frequently, targeting moieties such as folic acid, epidermal growth factor or various antibodies are attached to the CNT-drug nanovehicle. Different kinds of functionalization (e.g., polycations) have been used to allow CNT to act as gene delivery vectors. Plasmid DNA, small interfering RNA and micro-RNA have all been delivered by CNT vehicles. Significant concerns are raised about the nanotoxicology of the CNT and their potentially damaging effects on the environment. EXPERT OPINION CNT-mediated drug delivery has been studied for over a decade, and both in vitro and in vivo studies have been reported. The future success of CNTs as vectors in vivo and in clinical application will depend on achievement of efficacious therapy with minimal adverse effects and avoidance of possible toxic and environmentally damaging effects.
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Affiliation(s)
- Mahdi Karimi
- Iran University of Medical Sciences, School of Advanced Technologies in Medicine, Department of Nanotechnology, Tehran, Iran
| | - Navid Solati
- Iran University of Science and Technology, School of Metallurgy and Materials Engineering, Tehran, Iran
| | - Amir Ghasemi
- Sharif University of Technology, Department of Materials Science and Engineering, Polymeric Materials Research Group, Tehran, 11365-9466, Iran
| | - Mehrdad Asghari Estiar
- Tehran University of Medical Sciences, School of Medicine, Department of Medical Genetics, Tehran, Iran
| | - Mahshid Hashemkhani
- Iran University of Science and Technology, School of Metallurgy and Materials Engineering, Tehran, Iran
| | - Parnian Kiani
- Iran University of Science and Technology, School of Metallurgy and Materials Engineering, Tehran, Iran
| | - Elmira Mohamed
- Iran University of Science and Technology, School of Metallurgy and Materials Engineering, Tehran, Iran
| | - Ahad Saeidi
- Iran University of Science and Technology, School of Metallurgy and Materials Engineering, Tehran, Iran
| | - Mahdiar Taheri
- Iran University of Science and Technology, School of Metallurgy and Materials Engineering, Tehran, Iran
| | - Pinar Avci
- Massachusetts General Hospital, Wellman Center for Photomedicine, Boston, MA 02114, USA
- Harvard Medical School, Department of Dermatology, Boston, MA 02115, USA
| | - Amir R Aref
- Dana-Farber Cancer Institute, Center for Cancer Systems Biology, Department of Cancer Biology, Boston, MA 02215, USA
- Harvard Medical School, Department of Genetics, Boston, MA 02215, USA
| | - Mohammad Amiri
- Sharif University of Technology, Department of Materials Science and Engineering, Polymeric Materials Research Group, Tehran, 11365-9466, Iran
| | - Fazel Baniasadi
- Sharif University of Technology, Department of Materials Science and Engineering, Polymeric Materials Research Group, Tehran, 11365-9466, Iran
| | - Michael R Hamblin
- Massachusetts General Hospital, Wellman Center for Photomedicine, Boston, MA 02114, USA
- Harvard Medical School, Department of Dermatology, Boston, MA 02115, USA
- Harvard-MIT Division of Health Sciences and Technology, Cambridge, MA 02139, USA
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Biopersistence of PEGylated Carbon Nanotubes Promotes a Delayed Antioxidant Response after Infusion into the Rat Hippocampus. PLoS One 2015; 10:e0129156. [PMID: 26075787 PMCID: PMC4468090 DOI: 10.1371/journal.pone.0129156] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2014] [Accepted: 05/05/2015] [Indexed: 12/20/2022] Open
Abstract
Carbon nanotubes are promising nanomaterials for the diagnosis and treatment of brain disorders. However, the ability of these nanomaterials to cross cell membranes and interact with neural cells brings the need for the assessment of their potential adverse effects on the nervous system. This study aimed to investigate the biopersistence of single-walled carbon nanotubes functionalized with polyethylene glycol (SWCNT-PEG) directly infused into the rat hippocampus. Contextual fear conditioning, Y-maze and open field tasks were performed to evaluate the effects of SWCNT-PEG on memory and locomotor activity. The effects of SWCNT-PEG on oxidative stress and morphology of the hippocampus were assessed 1 and 7 days after infusion of the dispersions at 0.5, 1.0 and 2.1 mg/mL. Raman analysis of the hippocampal homogenates indicates the biopersistence of SWCNT-PEG in the hippocampus 7 days post-injection. The infusion of the dispersions had no effect on the acquisition or persistence of the contextual fear memory; likewise, the spatial recognition memory and locomotor activity were not affected by SWCNT-PEG. Histological examination revealed no remarkable morphological alterations after nanomaterial exposure. One day after the infusion, SWCNT-PEG dispersions at 0.5 and 1.0 mg/mL were able to decrease total antioxidant capacity without modifying the levels of reactive oxygen species or lipid hydroperoxides in the hippocampus. Moreover, SWCNT-PEG dispersions at all concentrations induced antioxidant defenses and reduced reactive oxygen species production in the hippocampus at 7 days post-injection. In this work, we found a time-dependent change in antioxidant defenses after the exposure to SWCNT-PEG. We hypothesized that the persistence of the nanomaterial in the tissue can induce an antioxidant response that might have provided resistance to an initial insult. Such antioxidant delayed response may constitute an adaptive response to the biopersistence of SWCNT-PEG in the hippocampus.
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PEGylated carbon nanotubes impair retrieval of contextual fear memory and alter oxidative stress parameters in the rat hippocampus. BIOMED RESEARCH INTERNATIONAL 2015; 2015:104135. [PMID: 25738149 PMCID: PMC4337111 DOI: 10.1155/2015/104135] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/20/2014] [Revised: 12/30/2014] [Accepted: 12/31/2014] [Indexed: 11/17/2022]
Abstract
Carbon nanotubes (CNT) are promising materials for biomedical applications, especially in the field of neuroscience; therefore, it is essential to evaluate the neurotoxicity of these nanomaterials. The present work assessed the effects of single-walled CNT functionalized with polyethylene glycol (SWCNT-PEG) on the consolidation and retrieval of contextual fear memory in rats and on oxidative stress parameters in the hippocampus. SWCNT-PEG were dispersed in water at concentrations of 0.5, 1.0, and 2.1 mg/mL and infused into the rat hippocampus. The infusion was completed immediately after training and 30 min before testing of a contextual fear conditioning task, resulting in exposure times of 24 h and 30 min, respectively. The results showed that a short exposure to SWCNT-PEG impaired fear memory retrieval and caused lipid peroxidation in the hippocampus. This response was transient and overcome by the mobilization of antioxidant defenses at 24 h. These effects occurred at low and intermediate but not high concentration of SWCNT-PEG, suggesting that the observed biological response may be related to the concentration-dependent increase in particle size in SWCNT-PEG dispersions.
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