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Kalashnikova I, Patrikeeva S, Nanovskaya TN, Andreev YA, Ahmed MS, Rytting E. Folate-mediated Transport of Nanoparticles across the Placenta. Pharm Nanotechnol 2024; 12:171-183. [PMID: 37461351 DOI: 10.2174/2211738511666230717122429] [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: 04/07/2023] [Revised: 05/11/2023] [Accepted: 05/31/2023] [Indexed: 05/23/2024]
Abstract
BACKGROUND In this study, a prototype of a targeted nanocarrier for drug delivery for prenatal therapy of the developing fetus was developed and examined in vitro and ex vivo. The folate transport mechanism in the human placenta was utilized as a possible pathway for the transplacental delivery of targeted nanoparticles. METHODS Several types of folic acid-decorated polymeric nanoparticles were synthesized and characterized. During transport studies of targeted and non-targeted fluorescent nanoparticles across the placental barrier, the apparent permeability values, uptake, transfer indices, and distribution in placental tissue were determined. RESULTS The nanoparticles had no effect on BeWo b30 cell viability. In vitro, studies showed significantly higher apparent permeability of the targeted nanoparticles across the cell monolayers as compared to the nontargeted nanoparticles (Pe = 5.92 ± 1.44 ×10-6 cm/s for PLGA-PEG-FA vs. 1.26 ± 0.31 ×10-6 cm/s for PLGA-PEG, P < 0.05), and the transport of the targeted nanoparticles was significantly inhibited by excess folate. Ex vivo placental perfusion showed significantly greater accumulation of the targeted nanoparticles in the placental tissue (4.31 ± 0.91%/g for PLGA-PEG-FA vs. 2.07 ± 0.26%/g for PLGA-PEG). CONCLUSION The data obtained suggested different mechanisms for the uptake and transplacental transfer of targeted versus nontargeted nanoparticles. This targeted nanoformulation may be a promising strategy for fetal drug therapy.
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Affiliation(s)
- Irina Kalashnikova
- Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston, TX, USA
- Institute of Molecular Medicine, I.M. Sechenov First Moscow State Medical University, 119991 Moscow, Russia
| | - Svetlana Patrikeeva
- Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston, TX, USA
| | - Tatiana N Nanovskaya
- Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston, TX, USA
| | - Yaroslav A Andreev
- Institute of Molecular Medicine, I.M. Sechenov First Moscow State Medical University, 119991 Moscow, Russia
- Shemyakin and Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, Russia
| | - Mahmoud S Ahmed
- Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston, TX, USA
| | - Erik Rytting
- Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston, TX, USA
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Cong Y, Baimanov D, Zhou Y, Chen C, Wang L. Penetration and translocation of functional inorganic nanomaterials into biological barriers. Adv Drug Deliv Rev 2022; 191:114615. [PMID: 36356929 DOI: 10.1016/j.addr.2022.114615] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2022] [Revised: 10/23/2022] [Accepted: 11/02/2022] [Indexed: 11/09/2022]
Abstract
With excellent physicochemical properties, inorganic nanomaterials (INMs) have exhibited a series of attractive applications in biomedical fields. Biological barriers prevent successful delivery of nanomedicine in living systems that limits the development of nanomedicine especially for sufficient delivery of drugs and effective therapy. Numerous researches have focused on overcoming these biological barriers and homogeneity of organisms to enhance therapeutic efficacy, however, most of these strategies fail to resolve these challenges. In this review, we present the latest progress about how INMs interact with biological barriers and penetrate these barriers. We also summarize that both native structure and components of biological barriers and physicochemical properties of INMs contributed to the penetration capacity. Knowledge about the relationship between INMs structure and penetration capacity will guide the design and application of functional and efficient nanomedicine in the future.
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Affiliation(s)
- Yalin Cong
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology of China & Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, PR China; University of Chinese Academy of Sciences, Beijing 100049, PR China; CAS-HKU Joint Laboratory of Metallomics on Health and Environment, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, PR China
| | - Didar Baimanov
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology of China & Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, PR China; University of Chinese Academy of Sciences, Beijing 100049, PR China; CAS-HKU Joint Laboratory of Metallomics on Health and Environment, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, PR China; Engineering Research Center of Clinical Functional Materials and Diagnosis & Treatment Devices of Zhejiang Province, Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou 325000, PR China
| | - Yunlong Zhou
- Engineering Research Center of Clinical Functional Materials and Diagnosis & Treatment Devices of Zhejiang Province, Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou 325000, PR China
| | - Chunying Chen
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology of China & Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, PR China; University of Chinese Academy of Sciences, Beijing 100049, PR China; GBA Research Innovation Institute for Nanotechnology, Guangzhou 510700, Guangdong, PR China; Research Unit of Nanoscience and Technology, Chinese Academy of Medical Sciences, Beijing 100730, PR China
| | - Liming Wang
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology of China & Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, PR China; University of Chinese Academy of Sciences, Beijing 100049, PR China; CAS-HKU Joint Laboratory of Metallomics on Health and Environment, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, PR China.
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Cornu R, Béduneau A, Martin H. Ingestion of titanium dioxide nanoparticles: a definite health risk for consumers and their progeny. Arch Toxicol 2022; 96:2655-2686. [PMID: 35895099 DOI: 10.1007/s00204-022-03334-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Accepted: 07/05/2022] [Indexed: 01/13/2023]
Abstract
Titanium dioxide (TiO2) is one of the most commonly used nanomaterials in the world. Additive E171, which is used in the food industry, contains a nanometric particle fraction of TiO2. Oral exposure of humans to these nanoparticles (NPs) is intensive, leading to the question of their impact on health. Daily oral intake by rats of amounts of E171 that are relevant to human intake has been associated with an increased risk of chronic intestinal inflammation and carcinogenesis. Due to their food preferences, children are very exposed to this NP. Furthermore, maternal-foetal transfer of TiO2 NPs during pregnancy, as well as exposure of the offspring by breastfeeding, have been recently described. In France, the use of E171 in the production of foodstuffs was suspended in January 2020 as a precautionary measure. To provide some answers to this public health problem and help global regulatory agencies finalize their decisions, we reviewed in vitro and in vivo studies that address the effects of TiO2 NPs through oral exposure, especially their effects on the gastrointestinal tract, one of the most exposed tissues. Our review also highlights the effects of exposure on the offspring during pregnancy and by breastfeeding.
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Affiliation(s)
- Raphaël Cornu
- PEPITE EA4267, Univ. Bourgogne Franche-Comté, F-25000, Besançon, France
| | - Arnaud Béduneau
- PEPITE EA4267, Univ. Bourgogne Franche-Comté, F-25000, Besançon, France
| | - Hélène Martin
- PEPITE EA4267, Univ. Bourgogne Franche-Comté, F-25000, Besançon, France.
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Mazzotta HC, Robbins WA, Tsai CSJ. An Analysis of Prenatal Exposure Factors and Offspring Health Outcomes in Rodents from Synthesized Nanoparticles. Reprod Toxicol 2022; 110:60-67. [DOI: 10.1016/j.reprotox.2022.03.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2022] [Revised: 03/24/2022] [Accepted: 03/27/2022] [Indexed: 10/18/2022]
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Histological and biochemical apoptosis changes of female rats' ovary by Zinc oxide nanoparticles and potential protective effects of l-arginine: An experimental study. Ann Med Surg (Lond) 2022; 74:103290. [PMID: 35198165 PMCID: PMC8844786 DOI: 10.1016/j.amsu.2022.103290] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Revised: 01/05/2022] [Accepted: 01/22/2022] [Indexed: 12/18/2022] Open
Abstract
Background This research aims to investigate the adverse effects of ZnO NP on ovarian tissue and the follicular and menstrual cycle and the protective effects of l-arginine on the aforementioned tissues. Material and methods 30 rats were divided into five groups. The first group was the control group. The second and fourth groups received 100 mg/kg and 200 mg/kg ZnO NP, respectively. The third and fifth groups received the same doses of ZnO NP as the second and fourth groups, respectively. However, the third and fifth groups received an additional dose of 1.3 gr/kg of LA amino acid. ZnO NP and LA are given intraperitoneal for 21 days. Blood samples from each rat and a part of the ovarium were collected to test for gene expression and histological analysis. Results Compared to levels of housekeeping gene β-actine, levels of apoptosis effectors such as Bax, Bcl, Caspase 3, and Caspase 9 were significantly increased in all groups. In groups that received doses of LA (three and five), atretic follicle size was smaller compared to groups that did not receive LA (two and four). In addition, in the third group, the secondary and primordial follicle's generated oocytes were smaller compared with groups two, four, and five. Compared with the control group, all groups experienced morphological degeneration of follicles and tissue. Conclusion ZnO NP has inevitable, morphological, and physiological effects on the ovary and can detrimentally impact the tissue. LA can aid in the regeneration of the tissue and block damage induced by stress and toxicity. Zinc oxide nanoparticles are widely used in various everyday products, such as food packaging, additives, cosmetics, and bioimaging. Using Zinc oxide nanoparticles in daily life may cause infertility by reducing the number of follicles in the ovary. L-Arginine may be a beneficial daily supplement to prevent damage to the ovaries induced by Zinc oxide nanoparticles.
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Sharma A, Sah N, Kannan S, Kannan RM. Targeted drug delivery for maternal and perinatal health: Challenges and opportunities. Adv Drug Deliv Rev 2021; 177:113950. [PMID: 34454979 PMCID: PMC8544131 DOI: 10.1016/j.addr.2021.113950] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Revised: 08/06/2021] [Accepted: 08/24/2021] [Indexed: 12/18/2022]
Abstract
Pre-existing conditions at reproductive age, and complications arising during pregnancy can be detrimental to maternal and fetal health. Current therapies to combat obstetric disorders are limited due to the inherent complexity of pregnancy, and can have harmful effects on developing fetus. Emerging research shows intricate signaling between the cells from mother and fetus at maternal-fetal interface, providing unique opportunities for interventions specifically targeted to the mother, fetus, or placenta. Advancements in nanotechnology, stem-cell biology and gene therapy have resulted in target-specific treatments with promising results in pre-clinical maternal and fetal disorder models. Comprehensive understanding of the effect of physicochemical properties of delivery systems on their uptake, retention and accumulation across placenta will help in the better diagnosis and treatment of perinatal disorders. This review describes the factors leading to obstetric complications along with their effect on pregnancy outcomes, and discusses key targeted therapeutic strategies for addressing conditions related to maternal and fetal health.
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Affiliation(s)
- Anjali Sharma
- Center for Nanomedicine, Department of Ophthalmology, Wilmer Eye Institute Johns Hopkins University School of Medicine, Baltimore, MD 21231, USA
| | - Nirnath Sah
- Department of Anesthesiology and Critical Care Medicine, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA
| | - Sujatha Kannan
- Center for Nanomedicine, Department of Ophthalmology, Wilmer Eye Institute Johns Hopkins University School of Medicine, Baltimore, MD 21231, USA; Department of Anesthesiology and Critical Care Medicine, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA; Hugo W. Moser Research Institute at Kennedy Krieger, Inc., Baltimore MD, 21205, USA
| | - Rangaramanujam M Kannan
- Center for Nanomedicine, Department of Ophthalmology, Wilmer Eye Institute Johns Hopkins University School of Medicine, Baltimore, MD 21231, USA; Hugo W. Moser Research Institute at Kennedy Krieger, Inc., Baltimore MD, 21205, USA; Department of Chemical and Biomolecular Engineering, Johns Hopkins University, Baltimore MD, 21218, USA.
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Abstract
Applications of nanomaterials cause a general concern on their toxicity when they intentionally (such as in medicine) or unintentionally (environment exposure) enter into the human body. As a special subpopulation, pregnant women are more susceptible to nanoparticle (NP)-induced toxicity. More importantly, prenatal exposures may affect the entire life of the fetus. Through blood circulation, NPs may cross placental barriers and enter into fetus. A cascade of events, such as damage in placental barriers, generation of oxidative stress, inflammation, and altered gene expression, may induce delayed or abnormal fetal development. The physicochemical properties of NPs, exposure time, and other factors directly affect nanotoxicity in pregnant populations. Even though results from animal studies cannot directly extrapolate to humans, compelling evidence has already shown that, for pregnant women, caution must be taken when dealing with nanomedicines or NP pollutants.
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Affiliation(s)
- Zengjin Wang
- School of Public Health, Shandong University, Jinan, Shandong, People's Republic of China
| | - Zhiping Wang
- School of Public Health, Shandong University, Jinan, Shandong, People's Republic of China
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Becaro AA, de Oliveira LP, de Castro VLS, Siqueira MC, Brandão HM, Correa DS, Ferreira MD. Effects of silver nanoparticles prenatal exposure on rat offspring development. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2021; 81:103546. [PMID: 33186674 DOI: 10.1016/j.etap.2020.103546] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/19/2020] [Revised: 11/04/2020] [Accepted: 11/06/2020] [Indexed: 06/11/2023]
Abstract
Many types of nanocomposites employed in food packaging are based on silver nanoparticles (AgNP) because of their antibacterial properties, which can increase food shelf-life. As the commercialization of AgNP products has been expanding, the released of such nanoparticles in the environment has caused enormous concern, once they can pose potential risks to the environment and human beings. For instance, exposure of the maternal environment to nanomaterials during pregnancy may impact the health of the dam, fetus and offspring. In this context, here we investigated the effects of prenatal exposure of AgNP on the pregnancy outcomes of dams and postnatal development of their offspring. Pregnant Wistar rats were exposed to distinct AgNP concentrations (0, 1, 3 and 5 μg/kg/day) from beginning to the end of pregnancy. At parturition, newborns were observed regarding clinical signs of toxicity and survival rate. The offspring was examined by evaluating developmental endpoints. A delay in time for vaginal opening and testes descent were detected in the offspring exposed to AgNP during embryonic development. Our results indicate that prenatal exposure to AgNP can compromise neonatal rats' postnatal development, especially the reproductive features.
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Affiliation(s)
- Aline A Becaro
- Programa de Pós-Graduação em Biotecnologia (PPG-Biotec), Centro de Ciências Exatas e Tecnologia (CCET), Universidade Federal de São Carlos (UFSCar), Rodovia Washington Luís, km 235, 13565-905, São Carlos, SP, Brazil; EMBRAPA Instrumentação, Rua XV de Novembro, 1452, 13560-970, São Carlos, SP, Brazil
| | - Luzia P de Oliveira
- Universidade Federal de São Paulo, Avenida Cesare Mansueto Giulio Lattes, 1201, 12247-014, São José dos Campos, SP, Brazil
| | - Vera L S de Castro
- EMBRAPA Meio Ambiente, Rodovia SP 340 Km 127.5, Postal Box 69, Jaguariúna, SP, 13918-110, Brazil
| | - Maria C Siqueira
- Programa de Pós-Graduação em Biotecnologia (PPG-Biotec), Centro de Ciências Exatas e Tecnologia (CCET), Universidade Federal de São Carlos (UFSCar), Rodovia Washington Luís, km 235, 13565-905, São Carlos, SP, Brazil; EMBRAPA Instrumentação, Rua XV de Novembro, 1452, 13560-970, São Carlos, SP, Brazil
| | - Humberto M Brandão
- EMBRAPA Gado de Leite, Avenida Rádio Maia, 830 - Zona Rural, 79106-550, Campo Grande, MS, Brazil
| | - Daniel S Correa
- Programa de Pós-Graduação em Biotecnologia (PPG-Biotec), Centro de Ciências Exatas e Tecnologia (CCET), Universidade Federal de São Carlos (UFSCar), Rodovia Washington Luís, km 235, 13565-905, São Carlos, SP, Brazil; EMBRAPA Instrumentação, Rua XV de Novembro, 1452, 13560-970, São Carlos, SP, Brazil
| | - Marcos David Ferreira
- Programa de Pós-Graduação em Biotecnologia (PPG-Biotec), Centro de Ciências Exatas e Tecnologia (CCET), Universidade Federal de São Carlos (UFSCar), Rodovia Washington Luís, km 235, 13565-905, São Carlos, SP, Brazil; EMBRAPA Instrumentação, Rua XV de Novembro, 1452, 13560-970, São Carlos, SP, Brazil.
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Relative expression of microRNAs, apoptosis, and ultrastructure anomalies induced by gold nanoparticles in Trachyderma hispida (Coleoptera: Tenebrionidae). PLoS One 2020; 15:e0241837. [PMID: 33156883 PMCID: PMC7647063 DOI: 10.1371/journal.pone.0241837] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2020] [Accepted: 10/21/2020] [Indexed: 01/07/2023] Open
Abstract
The extensive use of nanomaterials generates toxic effects on non-target species and the ecosystem. Although gold nanoparticles (Au-NPs) are generally expected to be safe, the recent study contains conflicting data regarding their cytotoxicity in the darkling beetles Trachyderma hispida. The study postulated cellular perturbation in the ovarian tissue of the beetles induced by a sublethal dose of Au-NPs (0.01 mg/g). When compared with the controls, a significant inhibition in the activities of the antioxidant enzymes selenium-dependent (GPOX) and selenium-independent (GSTP) glutathione peroxidases (GPx) was observed in the treated beetles. The study proposed microRNAs (miRNA-282 and miRNA-989) as genotoxic markers for the first time, reporting a significant suppression in their transcriptional levels in the treated beetles. Furthermore, TUNEL (Terminal deoxynucleotidyl transferase-mediated dUTP nick end labeling) and flow cytometry assays (annexin V-Fitc) indicated a significant increase in ovarian cell apoptosis in the treated beetles. Additionally, an ultrastructure examination revealed pathological changes in the ovarian cells of the treated beetles. The resulting anomalies in the present study may interrupt the fecundity of the beetles and lead to the future suppression of beetle populations.
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Alfaifi AA, Heyder RS, Bielski ER, Almuqbil RM, Kavdia M, Gerk PM, da Rocha SRP. Megalin-targeting liposomes for placental drug delivery. J Control Release 2020; 324:366-378. [PMID: 32461116 PMCID: PMC8247794 DOI: 10.1016/j.jconrel.2020.05.033] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2020] [Revised: 05/09/2020] [Accepted: 05/20/2020] [Indexed: 12/12/2022]
Abstract
Every year, complications during pregnancy affect more than 26 million women. Some of those diseases are associated with significant morbidity and mortality, as is the case of preeclampsia, the main cause of maternal deaths globally. The ability to improve the delivery of drugs to the placenta upon administration to the mother may offer new opportunities in the treatment of diseases of pregnancy. The objective of this study was to develop megalin-targeting liposome nanocarriers for placental drug delivery. Megalin is a transmembrane protein involved in clathrin-mediated endocytic processes, and is expressed in the syncytiotrophoblast (SynT), an epithelial layer at maternal-fetal interface. Targeting megalin thus offers an opportunity for the liposomes to hitchhike into the SynT, thus enriching the concentration of any associated therapeutic cargo in the placental tissue. PEGylated (2 KDa) lipids were modified with gentamicin (GM), a substrate to megalin receptors as we have shown in earlier studies, and used to prepare placental-targeting liposomes. The ability of the targeting liposomes to enhance accumulation of a fluorescence probe was assessed in an in vivo placental model - timed-pregnant Balb/c mice at gestational day (GD) 18.5. The targeting liposomes containing 10 mol% GM-modified lipids increased the accumulation of the conjugated fluorescence probe in the placenta with a total accumulation of 2.8% of the initial dose, which corresponds to a 94 fold increase in accumulation compared to the free probe (p < .0001), and 2-4 fold accumulation compared to the non-targeting control liposomes (p < .0001), as measured by both tissue extraction assay and ex vivo imaging. Furthermore, confocal images of placental SynT cross-sections show a 3-fold increase of the targeting liposomes compared with the non-targeting liposomes. The rate and extent of uptake of a fluorescent probe encapsulated within targeting liposomes was also probed in an in vitro model of the human placental barrier (polarized BeWo monolayers) using flow cytometry. Targeting liposomes containing 5 mol% GM-modified lipids enhanced the uptake of the probe by 1.5 fold compared to the non-targeting control. An increase to 10 mol% of the modified lipid resulted in further enhancement in uptake, which was 2 fold greater compared to control. In a competition assay, inhibition of the megalin receptors resulted in a significant reduction in uptake of the fluorescence probe encapsulated in GM-modified liposomes compared to the uptake without free inhibitor (p < .0001), implicating the involvement of megalin receptor in the internalization of the liposomes. Taken together, these results demonstrate that megalin-targeted liposomes may offer an opportunity to enhance the delivery of therapeutics to the placenta for the treatment of diseases of pregnancy.
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Affiliation(s)
- Ali A Alfaifi
- Department of Biomedical Engineering, Wayne State University, Detroit, MI, United States of America; Department of Pharmaceutics, School of Pharmacy, Virginia Commonwealth University, Richmond, VA, United States of America; Center for Pharmaceutical Engineering and Sciences - School of Pharmacy, Virginia Commonwealth University, Richmond, VA, United States of America
| | - Rodrigo S Heyder
- Department of Pharmaceutics, School of Pharmacy, Virginia Commonwealth University, Richmond, VA, United States of America; Center for Pharmaceutical Engineering and Sciences - School of Pharmacy, Virginia Commonwealth University, Richmond, VA, United States of America
| | - Elizabeth R Bielski
- Department of Pharmaceutics, School of Pharmacy, Virginia Commonwealth University, Richmond, VA, United States of America; Center for Pharmaceutical Engineering and Sciences - School of Pharmacy, Virginia Commonwealth University, Richmond, VA, United States of America
| | - Rashed M Almuqbil
- Department of Pharmaceutics, School of Pharmacy, Virginia Commonwealth University, Richmond, VA, United States of America; Center for Pharmaceutical Engineering and Sciences - School of Pharmacy, Virginia Commonwealth University, Richmond, VA, United States of America
| | - Mahendra Kavdia
- Department of Biomedical Engineering, Wayne State University, Detroit, MI, United States of America
| | - Phillip M Gerk
- Department of Pharmaceutics, School of Pharmacy, Virginia Commonwealth University, Richmond, VA, United States of America
| | - Sandro R P da Rocha
- Department of Pharmaceutics, School of Pharmacy, Virginia Commonwealth University, Richmond, VA, United States of America; Center for Pharmaceutical Engineering and Sciences - School of Pharmacy, Virginia Commonwealth University, Richmond, VA, United States of America.
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Raia-Barjat T, Prieux C, Leclerc L, Sarry G, Grimal L, Chauleur C, Pourchez J, Forest V. Elemental fingerprint of human amniotic fluids and relationship with potential sources of maternal exposure. J Trace Elem Med Biol 2020; 60:126477. [PMID: 32142960 DOI: 10.1016/j.jtemb.2020.126477] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/13/2019] [Revised: 01/30/2020] [Accepted: 02/10/2020] [Indexed: 12/23/2022]
Abstract
BACKGROUND The impact of nanoparticles we are increasingly exposed to remains largely unknown. Of particular concern is the exposure of pregnant women and potential impact on fetal development. Indeed, many in vitro and in vivo animal studies have shown that nanoparticles are able to cross the placental barrier and induce toxic effects to the fetus. However, little is known in humans. OBJECTIVE The aim and originality of this study were to investigate the nanoparticle burden of amniotic fluids in pregnant women. Methods - To that purpose, 100 amniotic fluids collected for clinical purposes were used to determine the nanoparticle quantity and nature by inductively coupled plasma atomic emission spectroscopy (NAMIOTIC, ClinicalTrials.gov Identifier: NCT02720887). Results - The prevalence of patients with a substantial concentration for the essential trace elements Cu, Fe and Zn was high, while that of patients with a substantial concentration of Al, Ag, Be, Co, Cr, Ni, Si, Ti and W was relatively low (under 20 %). It was generally higher in the fraction containing nanoparticles and ions than in the fraction containing micro- and submicroparticles. No correlation was found between the nanoparticle burden and the different potential sources of exposure to nanoparticles (smoking status of the patient, living area, heating source, mode of transport, leisure, use of hygiene products and cosmetics and occupational activities). CONCLUSION Our results showing low concentrations and low prevalence of most of the assessed elements in amniotic fluids are reassuring. Further research is needed to draw firm conclusions on the developmental toxicity of engineered nanoparticles in humans but the present paper can provide a useful basis for further evaluation of the fetal toxicity of nanoparticles.
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Affiliation(s)
- Tiphaine Raia-Barjat
- Univ Lyon, Univ Jean Monnet, INSERM, U 1059 SainBioSE, F-42023 Saint-Etienne, France; University Hospital Saint-Etienne, Department of Gynecology and Obstetrics, F-42055 Saint-Etienne, France
| | - Carole Prieux
- Univ Lyon, Univ Jean Monnet, INSERM, U 1059 SainBioSE, F-42023 Saint-Etienne, France; University Hospital Saint-Etienne, Department of Gynecology and Obstetrics, F-42055 Saint-Etienne, France
| | - Lara Leclerc
- Mines Saint-Etienne, Univ Lyon, Univ Jean Monnet, INSERM, U 1059 Sainbiose, Centre CIS, F-42023 Saint-Etienne, France
| | - Gwendoline Sarry
- Mines Saint-Etienne, Univ Lyon, Univ Jean Monnet, INSERM, U 1059 Sainbiose, Centre CIS, F-42023 Saint-Etienne, France
| | - Lucile Grimal
- Univ Lyon, Univ Jean Monnet, INSERM, U 1059 SainBioSE, F-42023 Saint-Etienne, France; University Hospital Saint-Etienne, Department of Gynecology and Obstetrics, F-42055 Saint-Etienne, France
| | - Céline Chauleur
- Univ Lyon, Univ Jean Monnet, INSERM, U 1059 SainBioSE, F-42023 Saint-Etienne, France; University Hospital Saint-Etienne, Department of Gynecology and Obstetrics, F-42055 Saint-Etienne, France
| | - Jérémie Pourchez
- Mines Saint-Etienne, Univ Lyon, Univ Jean Monnet, INSERM, U 1059 Sainbiose, Centre CIS, F-42023 Saint-Etienne, France
| | - Valérie Forest
- Mines Saint-Etienne, Univ Lyon, Univ Jean Monnet, INSERM, U 1059 Sainbiose, Centre CIS, F-42023 Saint-Etienne, France.
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Elsharawy K, Abou-Dobara M, El-Gammal H, Hyder A. Chitosan coating does not prevent the effect of the transfer of green silver nanoparticles biosynthesized by Streptomyces malachitus into fetuses via the placenta. Reprod Biol 2020; 20:97-105. [PMID: 32044208 DOI: 10.1016/j.repbio.2020.01.004] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2019] [Revised: 01/12/2020] [Accepted: 01/14/2020] [Indexed: 02/07/2023]
Abstract
Green synthesized nanoparticles are more advantageous over conventionally prepared ones due to less toxicity, production cost, and environmental hazards. With the widespread of the utilization of nanoparticles, little is known about the maternal-fetal transplacental transfer of green nanoparticles. We have biosynthesized silver nanoparticles using metabolites of Streptomyces malachitus and sunlight then coated them with chitosan. These nanoparticles have been characterized and intraperitoneally administered at doses of 100 mg/kg on the 6th, 8th, and 10th gestational days. On the 18th day of pregnancy, both coated and non-coted NPs were detected in different maternal tissues, placenta, and in fetuses, as determined by estimation of silver content and observation by electron microscopy. Chitosan coating decreased the silver content in different tissues, maybe due to the larger size of coated nanoparticles that retards the transfer. The toxic effects on maternal and fetal tissues were proportional to their silver content, as determined by the liver and kidney functional analysis of pregnant rats and the ultrastructural and histopathological examination of the maternal liver, placenta and fetal liver. The present data suggest that green silver nanoparticles biosynthesized by Streptomyces malachitus cross the placenta and have toxic effects on maternal tissues, placenta, and fetus. Chitosan coating of these nanoparticles decreases the transfer, and consequently, the toxicity. However, it does not prevent this toxicity.
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Affiliation(s)
- Khloud Elsharawy
- Departments of Zoology, Faculty of Science, Damietta University, Egypt
| | - Mohamed Abou-Dobara
- Departments of Botany & Microbiology, Faculty of Science, Damietta University, Egypt
| | - Hekmat El-Gammal
- Departments of Zoology, Faculty of Science, Damietta University, Egypt
| | - Ayman Hyder
- Departments of Zoology, Faculty of Science, Damietta University, Egypt.
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13
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de Araújo TE, Milián ICB, de Souza G, da Silva RJ, Rosini AM, Guirelli PM, Franco PS, Barbosa BF, Ferro EAV, da Costa IN. Experimental models of maternal-fetal interface and their potential use for nanotechnology applications. Cell Biol Int 2020; 44:36-50. [PMID: 31469205 DOI: 10.1002/cbin.11222] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2019] [Accepted: 08/22/2019] [Indexed: 01/24/2023]
Abstract
During pregnancy, the placenta regulates the transfer of oxygen, nutrients, and residual products between the maternal and fetal bloodstreams and is a key determinant of fetal exposure to xenobiotics from the mother. To study the disposition of substances through the placenta, various experimental models are used, especially the perfused placenta, placental villi explants, and cell lineage models. In this context, nanotechnology, an area of study that is on the rise, enables the creation of particles on nanometric scales capable of releasing drugs aimed at specific tissues. An important reason for furthering the studies on transplacental transfer is to explore the potential of nanoparticles (NPs), in new delivery strategies for drugs that are specifically aimed at the mother, the placenta, or the fetus and that involve less toxicity. Due to the fact that the placental barrier is essential for the interaction between the maternal and fetal organisms as well as the possibility of NPs being used in the treatment of various pathologies, the aim of this review is to present the main experimental models used in studying the maternal-fetal interaction and the action of NPs in the placental environment.
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Affiliation(s)
- Thádia Evelyn de Araújo
- Laboratory of Immunophysiology of Reproduction, Institute of Biomedical Science, Federal University of Uberlândia, Uberlândia, Brazil
| | - Iliana Claudia Balga Milián
- Laboratory of Immunophysiology of Reproduction, Institute of Biomedical Science, Federal University of Uberlândia, Uberlândia, Brazil
| | - Guilherme de Souza
- Laboratory of Immunophysiology of Reproduction, Institute of Biomedical Science, Federal University of Uberlândia, Uberlândia, Brazil
| | - Rafaela José da Silva
- Laboratory of Immunophysiology of Reproduction, Institute of Biomedical Science, Federal University of Uberlândia, Uberlândia, Brazil
| | - Alessandra Monteiro Rosini
- Laboratory of Immunophysiology of Reproduction, Institute of Biomedical Science, Federal University of Uberlândia, Uberlândia, Brazil
| | - Pâmela Mendonça Guirelli
- Laboratory of Immunophysiology of Reproduction, Institute of Biomedical Science, Federal University of Uberlândia, Uberlândia, Brazil
| | - Priscila Silva Franco
- Laboratory of Immunophysiology of Reproduction, Institute of Biomedical Science, Federal University of Uberlândia, Uberlândia, Brazil
| | - Bellisa Freitas Barbosa
- Laboratory of Immunophysiology of Reproduction, Institute of Biomedical Science, Federal University of Uberlândia, Uberlândia, Brazil
| | - Eloisa Amália Vieira Ferro
- Laboratory of Immunophysiology of Reproduction, Institute of Biomedical Science, Federal University of Uberlândia, Uberlândia, Brazil
| | - Idessania Nazareth da Costa
- Laboratory of Immunophysiology of Reproduction, Institute of Biomedical Science, Federal University of Uberlândia, Uberlândia, Brazil.,Laboratory of Parasitology, Department of Pathological Sciences, Center of Biological Sciences, State University of Londrina, Londrina, Brazil
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14
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Piedimonte G, Harford TJ. Effects of maternal-fetal transmission of viruses and other environmental agents on lung development. Pediatr Res 2020; 87:420-426. [PMID: 31698410 PMCID: PMC6962526 DOI: 10.1038/s41390-019-0657-4] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/03/2019] [Revised: 09/26/2019] [Accepted: 10/16/2019] [Indexed: 12/12/2022]
Abstract
New information is emerging concerning the influence of environmental factors (e.g., viruses, pollutants, nutrients) on fetal lung development and the prenatal modulation of cellular and molecular effectors essential to the control of airway function, which may shed new light into the pathogenesis of chronic obstructive pulmonary disease in childhood. In particular, recent studies have shown that nanosize biological and inorganic particles (e.g., respiratory viruses and pollutants) are able to spread hematogenously across the placenta from mother to offspring and interfere with lung development during critical "windows of opportunity". Furthermore, the nutritional balance of maternal diet during pregnancy can affect postnatal lung structure and function. Adverse prenatal environmental conditions can predispose to increased airway reactivity by inducing aberrant cholinergic innervation of the respiratory tract, enhanced contractility of the airway smooth muscle, and impaired innate immunity. Such changes can persist long after birth and might provide a plausible explanation to the development of chronic airway dysfunction in children, even in the absence of atopic predisposition. Insight into maternal-fetal interactions will contribute to a better understanding of the pathogenesis of highly prevalent diseases like bronchiolitis and asthma, and may lead to more precise preventative and therapeutic strategies, or new indications for existing ones.
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Affiliation(s)
| | - Terri J. Harford
- Lerner Research Institute, Cleveland Clinic Foundation, Cleveland, Ohio
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15
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Neurotoxicity of ZnO nanoparticles and associated motor function deficits in mice. APPLIED NANOSCIENCE 2019. [DOI: 10.1007/s13204-019-01093-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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16
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Salim EI, Abdel-Halim KY, Abu-Risha SE, Abdel-Latif AS. Induction of 8-hydroxydeoxyguanosine and ultrastructure alterations by silver nanoparticles attributing to placental transfer in pregnant rats and fetuses. Hum Exp Toxicol 2019; 38:734-745. [PMID: 30935239 DOI: 10.1177/0960327119836199] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
A quantitative assessment of the genotoxicity of silver nanoparticles (AgNPs) ascribed to its transplacental transfer and tissue distribution in pregnant rats was carried out in this study. A single intravenous (i.v.) injection of AgNPs with a size range from 4.0 to 17.0 nm was administered to pregnant rats at a dose of 2 mg/kg b.w. on the 19th day of gestation. Five groups beside control, each of the five rats were euthanized after 10 min, 1, 6, 12, or 24 h, respectively. The accumulation of nanoparticles (NPs) in mother and fetal tissues was quantified by inductively coupled plasma optical emission spectroscopy, where the highest accumulation level was recorded in maternal blood (0.523 µg/ml) after 24 h of administration. AgNPs induced accumulation in spleen tissue higher than placenta and fetal tissue homogenates. The data showed significantly detected levels of 8-hydroxydeoxyguanosine in all collected samples from administered animals compared with untreated individuals. Level of 8-OHdG in amniotic fluid exhibited the greatest values followed by maternal spleen, kidneys, and liver, respectively. Investigation by transmission electron microscope showed that the transfer of AgNPs through placental wall caused indentation of nuclei, clumped chromatin, pyknotic nuclei, and focal necrotic areas, while AgNPs appeared mainly accumulated in the macrophages of the spleen. Therefore, the data assume that the genotoxicity studies of AgNPs must be recommended during a comprehensive assessment of the safety of novel types of NPs and nanomaterials. Additionally, exposure to AgNPs must be prevented or minimized during pregnancy or prenatal periods.
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Affiliation(s)
- E I Salim
- 1 Research Laboratory for Molecular Carcinogenesis, Department of Zoology, Faculty of Science, Tanta University, Tanta, Egypt
| | - K Y Abdel-Halim
- 2 Mammalian and Aquatic Toxicology Department, Central Agricultural Pesticides Laboratory, ARC, Dokki, Giza, Egypt
| | - S E Abu-Risha
- 3 Department of Pharmacology and Toxicology, Faculty of Pharmacy, Tanta University, Tanta, Egypt
| | - A S Abdel-Latif
- 1 Research Laboratory for Molecular Carcinogenesis, Department of Zoology, Faculty of Science, Tanta University, Tanta, Egypt
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Chimini JS, Possomato-Vieira JS, da Silva MLS, Dias-Junior CA. Placental nitric oxide formation and endothelium-dependent vasodilation underlie pravastatin effects against angiogenic imbalance, hypertension in pregnancy and intrauterine growth restriction. Basic Clin Pharmacol Toxicol 2018; 124:385-393. [PMID: 30318719 DOI: 10.1111/bcpt.13149] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2018] [Accepted: 10/08/2018] [Indexed: 12/17/2022]
Abstract
Pre-eclampsia and hypertensive disorders of pregnancy are frequently associated with foeto-placental growth restriction, and that may be triggered by angiogenic imbalance and endothelial dysfunction. Impaired nitric oxide (NO) bioavailability seems to be involved in these pathophysiological changes observed in hypertensive pregnancy. Pravastatin has shown efficacy and to be safe during hypertension in pregnancy. However, NO involvement in pravastatin effects during maternal hypertension and foeto-placental development is unclear. Therefore, we aimed to examine pravastatin effects on placental NO formation, endothelium-dependent vasodilation, systolic blood pressure and foeto-placental development in hypertensive pregnant rats. Biochemical determinants of angiogenesis and oxidative stress were also assessed. Pregnant rats were distributed into four groups: normal pregnancy (Norm-Preg), pregnancy+pravastatin (Preg-Prava), hypertensive pregnancy (HTN-Preg) and hypertensive pregnancy+pravastatin (HTN-Preg+Prava). Our results showed that pravastatin treatment blunts hypertension and foeto-placental growth restriction. Also, increases in placental NO levels were found in the HTN-Preg+Prava group. Pravastatin prevents impaired endothelium-dependent acetylcholine-induced vasodilation, exacerbated contractile response to phenylephrine and increases in oxidative stress in the HTN-Preg+Prava group. Increased soluble fms-like tyrosine kinase-1-to-placental growth factor (sFlt-1/PlGF) ratio is reversed by pravastatin treatment in the HTN-Preg+Prava group. We conclude that NO formation and endothelium-dependent vasodilation underlie pleiotropic effects associated with pravastatin treatment against hypertension in pregnancy, intrauterine growth restriction, vascular dysfunction and angiogenic imbalance.
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Affiliation(s)
- Jessica Sabbatine Chimini
- Department of Pharmacology, Biosciences Institute of Botucatu, São Paulo State University - UNESP, Botucatu, Brazil
| | - Jose Sergio Possomato-Vieira
- Department of Pharmacology, Biosciences Institute of Botucatu, São Paulo State University - UNESP, Botucatu, Brazil
| | - Maria Luiza Santos da Silva
- Department of Pharmacology, Biosciences Institute of Botucatu, São Paulo State University - UNESP, Botucatu, Brazil
| | - Carlos A Dias-Junior
- Department of Pharmacology, Biosciences Institute of Botucatu, São Paulo State University - UNESP, Botucatu, Brazil
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18
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Indeglia PA, Georgieva AT, Krishna VB, Martyniuk CJ, Bonzongo JCJ. Toxicity of functionalized fullerene and fullerene synthesis chemicals. CHEMOSPHERE 2018; 207:1-9. [PMID: 29763761 DOI: 10.1016/j.chemosphere.2018.05.023] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2017] [Revised: 04/20/2018] [Accepted: 05/03/2018] [Indexed: 06/08/2023]
Abstract
Fullerene is one of the most studied carbon-based nanoparticles due to its unique structure and potential for diverse applications. This study focuses on toxicological effects of two fullerene nanomaterials, contributing to ecological as well as human risk assessment strategies. The biological responses from two basic fullerene materials, aqueous-nanoC60 and alkaline-synthesized fullerenol, were examined using four model organisms. Bioassays were conducted on bacteria (Pseudomonas aeruginosa and Staphylococcus aureus) to determine population impacts and to assess mechanisms of cellular effects for both Gram-negative and Gram-positive species. LC50 of aqu-nC60 stirred for 28 days for P. aeruginosa was estimated to be 1336 mg/L; however, toxicity of the same aqu-nC60 preparation for S. aureus was insignificant. Freshwater green algae Raphidocelus subcapitata and invertebrate Ceriodaphnia dubia were exposed to 28-day stirred aqu-nC60 with no significant toxicological impact. Aqu-nC60 stirred for 14 days bore no toxicity within two orders of magnitude greater than the highest concentration administered. LC50 for organisms exposed to alkaline-synthesized fullerenol prepared in the laboratory was 2409 mg/L for P. aeruginosa with no determinable toxicity to S. aureus, and 1462 mg/L and 45.2 mg/L for R. subcapitata and C. dubia, respectively. Toxicity thresholds for commercially-prepared fullerenol were lower for all species, an impact attributed to the presence of impurities. Mechanistic analysis of membrane damage on bacteria by laboratory-prepared fullerenol indicated necrotic and apoptotic responses with and without photoactivation. Toxicological responses from fullerenol synthesis by-products were only determinable for C. dubia with effects attributable to impurities.
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Affiliation(s)
- Paul A Indeglia
- University of Florida, Department of Environmental Engineering Sciences, Black Hall, Gainesville, FL 32611, USA.
| | | | - Vijay B Krishna
- University of Florida, Particle Engineering Research Center, FL, USA
| | | | - Jean-Claude J Bonzongo
- University of Florida, Department of Environmental Engineering Sciences, Black Hall, Gainesville, FL 32611, USA
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Meng H, Leong W, Leong KW, Chen C, Zhao Y. Walking the line: The fate of nanomaterials at biological barriers. Biomaterials 2018; 174:41-53. [PMID: 29778981 PMCID: PMC5984195 DOI: 10.1016/j.biomaterials.2018.04.056] [Citation(s) in RCA: 101] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2017] [Revised: 04/15/2018] [Accepted: 04/30/2018] [Indexed: 12/17/2022]
Abstract
Biological systems have developed an efficient multi-tiered defense system to block foreign substances such as engineered nanomaterials (NMs) from causing damage. In a pathological scenario, the disease itself may also pose additional barriers due to the imbalance between abnormal cells and their surrounding microenvironment, and NMs could behave similarly or differently to classic foreign substances, depending on their unique characteristics. Thus, understanding the mechanisms that govern the fate of NMs against these biological barriers, including the strategies that can be used to shift their fate between access and blockage, become key information for NMs design. In this manuscript, we first describe the biological barriers that NMs may encounter, and further discuss how these biological barrier interactions could shift the fate of NMs between toxicity and therapeutic potential. A list of effects that may influence NMs access at nano/bio interface are presented and discussed, followed by personal insights on the important nano/bio topics that require additional research for a better understanding of NM/biological barrier interactions.
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Affiliation(s)
- Huan Meng
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, National Center for Nanosciences and Technology of China, Beijing 100190, China; Department of Medicine, Division of NanoMedicine, University of California, Los Angeles, CA, USA.
| | - Wei Leong
- Department of Biomedical Engineering, Columbia University, New York, NY 10025, USA
| | - Kam W Leong
- Department of Biomedical Engineering, Columbia University, New York, NY 10025, USA
| | - Chunying Chen
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, National Center for Nanosciences and Technology of China, Beijing 100190, China; Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
| | - Yuliang Zhao
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, National Center for Nanosciences and Technology of China, Beijing 100190, China; Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China.
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20
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Yu Q, Qiu Y, Wang X, Tang J, Liu Y, Mei L, Li M, Yang M, Tang L, Gao H, Zhang Z, Xu W, He Q. Efficient siRNA transfer to knockdown a placenta specific lncRNA using RGD-modified nano-liposome: A new preeclampsia-like mouse model. Int J Pharm 2018; 546:115-124. [PMID: 29729405 DOI: 10.1016/j.ijpharm.2018.05.001] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2017] [Revised: 04/24/2018] [Accepted: 05/01/2018] [Indexed: 01/07/2023]
Abstract
Preeclampsia is one of the most serious pregnancy complications. Many animal models have already been developed by researchers to study the pathogenesis and treatment of preeclampsia. However, most of these animal models were established by systemic administration or by surgery in the uterine cavity, which could lead to unwanted systemic toxicity or operative wounds and affect the accuracy of the results. Because of the high expression level of integrin αvβ3 on the placenta, arginine-glycine-aspartic acid peptide (RGD) modified PEGylated cationic liposome (RGD-Lip) was designed as a novel gene delivery system to target the placenta safely and efficiently, and a new animal model of preeclampsia was established through targeting of long noncoding RNA (lncRNA). The results of cellular uptake and endosomal localization showed that RGD-Lip enhanced cellular uptake and endosomal escape of small interfering RNA (siRNA) on HTR-8/SVneo. In vivo imaging revealed that RGD-Lip was selectively delivered to the placenta. Additionally, H19x siRNA was efficiently transferred into the placenta of C57BL/6 mice via the injection of H19x siRNA-loaded RGD-Lip, which could result in the occurrence of preeclampsia-like symptoms. In summary, RGD-Lip provided a platform to efficiently deliver siRNA to the placenta, and a new preeclampsia-like mouse model was developed targeting placenta enriched/specific genes, including noncoding RNAs.
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Affiliation(s)
- Qianwen Yu
- Key Laboratory of Drug Targeting and Drug Delivery Systems, West China School of Pharmacy, Sichuan University, No. 17, Block 3, Southern Renmin Road, Chengdu 610041, PR China
| | - Yue Qiu
- Key Laboratory of Drug Targeting and Drug Delivery Systems, West China School of Pharmacy, Sichuan University, No. 17, Block 3, Southern Renmin Road, Chengdu 610041, PR China
| | - Xuhui Wang
- Key Laboratory of Drug Targeting and Drug Delivery Systems, West China School of Pharmacy, Sichuan University, No. 17, Block 3, Southern Renmin Road, Chengdu 610041, PR China
| | - Jiajing Tang
- Key Laboratory of Drug Targeting and Drug Delivery Systems, West China School of Pharmacy, Sichuan University, No. 17, Block 3, Southern Renmin Road, Chengdu 610041, PR China
| | - Yayuan Liu
- Key Laboratory of Drug Targeting and Drug Delivery Systems, West China School of Pharmacy, Sichuan University, No. 17, Block 3, Southern Renmin Road, Chengdu 610041, PR China
| | - Ling Mei
- Key Laboratory of Drug Targeting and Drug Delivery Systems, West China School of Pharmacy, Sichuan University, No. 17, Block 3, Southern Renmin Road, Chengdu 610041, PR China
| | - Man Li
- Key Laboratory of Drug Targeting and Drug Delivery Systems, West China School of Pharmacy, Sichuan University, No. 17, Block 3, Southern Renmin Road, Chengdu 610041, PR China
| | - Ming Yang
- Joint Laboratory of Reproductive Medicine, SCU-CUHK, Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, West China Second University Hospital, Sichuan University, Chengdu 610041, PR China
| | - Li Tang
- Joint Laboratory of Reproductive Medicine, SCU-CUHK, Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, West China Second University Hospital, Sichuan University, Chengdu 610041, PR China
| | - Huile Gao
- Key Laboratory of Drug Targeting and Drug Delivery Systems, West China School of Pharmacy, Sichuan University, No. 17, Block 3, Southern Renmin Road, Chengdu 610041, PR China
| | - Zhirong Zhang
- Key Laboratory of Drug Targeting and Drug Delivery Systems, West China School of Pharmacy, Sichuan University, No. 17, Block 3, Southern Renmin Road, Chengdu 610041, PR China
| | - Wenming Xu
- Joint Laboratory of Reproductive Medicine, SCU-CUHK, Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, West China Second University Hospital, Sichuan University, Chengdu 610041, PR China; Department of Obstetric and Gynecologic Diseases, West China Second University Hospital, Sichuan University, Chengdu 610041, PR China.
| | - Qin He
- Key Laboratory of Drug Targeting and Drug Delivery Systems, West China School of Pharmacy, Sichuan University, No. 17, Block 3, Southern Renmin Road, Chengdu 610041, PR China.
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Exposure of human neurons to silver nanoparticles induces similar pattern of ABC transporters gene expression as differentiation: Study on proliferating and post-mitotic LUHMES cells. Mech Ageing Dev 2018; 171:7-14. [DOI: 10.1016/j.mad.2018.02.004] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2017] [Revised: 01/26/2018] [Accepted: 02/22/2018] [Indexed: 11/17/2022]
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22
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Zhang Y, Wu J, Feng X, Wang R, Chen A, Shao L. Current understanding of the toxicological risk posed to the fetus following maternal exposure to nanoparticles. Expert Opin Drug Metab Toxicol 2017; 13:1251-1263. [PMID: 29086601 DOI: 10.1080/17425255.2018.1397131] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
INTRODUCTION With the broad use of nanotechnology, the number and variety of nanoparticles that humans can be exposed to has further increased. Consequently, there is growing concern about the potential effect of maternal exposure to various nanoparticles during pregnancy on a fetus. However, the nature of this risk is not fully known. Areas covered: In this review, materno-fetal transfer of nanoparticles through the placenta is described. Both prenatal and postnatal adverse effects, such as fetal resorption, malformation and injury to various organs in mice exposed to nanoparticles are reviewed. The potential mechanisms of toxicity are also discussed. Expert opinion: The toxicology and safe application of recently developed nanoparticles has attracted much attention in the past few years. Although many studies have demonstrated the toxicology of nanoparticles in various species, only a small number of studies have examined the effect on a fetus after maternal exposure to nanoparticles. This is particularly important, because the developing fetus is especially vulnerable to the toxic effects of nanoparticles during fetal development due to the unique physical stage of the fetus. Nanoparticles may directly or indirectly impair fetal development and growth after maternal exposure to nanoparticles.
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Affiliation(s)
- Yanli Zhang
- a Department of Stomatology , Nanfang Hospital, Southern Medical University , Guangzhou , PR China
| | - Junrong Wu
- a Department of Stomatology , Nanfang Hospital, Southern Medical University , Guangzhou , PR China
| | - Xiaoli Feng
- a Department of Stomatology , Nanfang Hospital, Southern Medical University , Guangzhou , PR China
| | - Ruolan Wang
- a Department of Stomatology , Nanfang Hospital, Southern Medical University , Guangzhou , PR China
| | - Aijie Chen
- a Department of Stomatology , Nanfang Hospital, Southern Medical University , Guangzhou , PR China
| | - Longquan Shao
- a Department of Stomatology , Nanfang Hospital, Southern Medical University , Guangzhou , PR China
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23
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Quantum dots mediated embryotoxicity via placental damage. Reprod Toxicol 2017; 73:222-231. [DOI: 10.1016/j.reprotox.2017.08.016] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2016] [Revised: 08/05/2017] [Accepted: 08/18/2017] [Indexed: 11/17/2022]
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24
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Hou CC, Zhu JQ. Nanoparticles and female reproductive system: how do nanoparticles affect oogenesis and embryonic development. Oncotarget 2017; 8:109799-109817. [PMID: 29312650 PMCID: PMC5752563 DOI: 10.18632/oncotarget.19087] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2017] [Accepted: 06/15/2017] [Indexed: 12/20/2022] Open
Abstract
Along with the increasing application of nanoparticles (NPs) in many walks of life, environmental exposure to NPs has raised considerable health concerns. When NPs enter a pregnant woman’s body through inhalation, venous injection, ingestion or skin permeation, maternal toxic stress reactions such as reactive oxygen species (ROS), inflammation, apoptosis and endocrine dyscrasia are induced in different organs, particularly in the reproductive organs. Recent studies have shown that NPs disturb the developing oocyte by invading the protective barrier of theca cells, granulosa cell layers and zona pellucida. NPs disrupt sex hormone levels through the hypothalamic–pituitary-gonadal axis or by direct stimulation of secretory cells, such as granule cells, follicle cells, thecal cells and the corpus luteum. Some NPs can cross the placenta into the fetus by passive diffusion or endocytosis, which can trigger fetal inflammation, apoptosis, genotoxicity, cytotoxicity, low weight, reproductive deficiency, nervous damage, and immunodeficiency, among others. The toxicity of these NPs depend on their size, dosage, shape, charge, material and surface-coating. We summarize new findings on the toxic effect of various NPs on the ovary and on oogenesis and embryonic development. Meanwhile, we highlight the problems that need to be studied in the future. This manuscript will also provide valuable guidelines for protecting the female reproductive system from the toxicity of NPs and provide a certain reference value for NP application in the area of ovarian diseases.
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Affiliation(s)
- Cong-Cong Hou
- College of Marine Sciences, Ningbo University, Ningbo, Zhejiang, China
| | - Jun-Quan Zhu
- College of Marine Sciences, Ningbo University, Ningbo, Zhejiang, China
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25
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Ho D, Leong JW, Crew RC, Norret M, House MJ, Mark PJ, Waddell BJ, Iyer KS, Keelan JA. Maternal-placental-fetal biodistribution of multimodal polymeric nanoparticles in a pregnant rat model in mid and late gestation. Sci Rep 2017; 7:2866. [PMID: 28588270 PMCID: PMC5460222 DOI: 10.1038/s41598-017-03128-7] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2016] [Accepted: 04/25/2017] [Indexed: 01/05/2023] Open
Abstract
Multimodal polymeric nanoparticles have many exciting diagnostic and therapeutic applications, yet their uptake and passage by the placenta, and applications in the treatment of pregnancy complications have not been thoroughly investigated. In this work, the maternal-fetal-placental biodistribution of anionic and cationic multimodal poly(glycidyl methacrylate) (PGMA) nanoparticles in pregnant rats at mid (ED10) and late (ED20) gestation was examined. Fluorescently-labelled and superparamagnetic PGMA nanoparticles functionalized with/without poly(ethyleneimine) (PEI) were administered to pregnant rats at a clinically-relevant dose and biodistribution and tissue uptake assessed. Quantitative measurement of fluorescence intensity or magnetic resonance relaxometry in tissue homogenates lacked the sensitivity to quantify tissue uptake. Confocal microscopy, however, identified uptake by maternal organs and the decidua (ectoplacental cone) and trophoblast giant cells of conceptuses at ED10. At ED20, preferential accumulation of cationic vs. anionic nanoparticles was observed in the placenta, with PGMA-PEI nanoparticles localised mainly within the chorionic plate. These findings highlight the significant impact of surface charge and gestational age in the biodistribution of nanoparticles in pregnancy, and demonstrate the importance of using highly sensitive measurement techniques to evaluate nanomaterial biodistribution and maternal-fetal exposure.
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Affiliation(s)
- Diwei Ho
- School of Molecular Sciences, The University of Western Australia, Perth, WA, 6009, Australia.,Division of Obstetrics & Gynaecology, The University of Western Australia, Perth, WA, 6009, Australia.,School of Human Sciences, The University of Western Australia, Perth, WA, 6009, Australia
| | - Joan W Leong
- School of Molecular Sciences, The University of Western Australia, Perth, WA, 6009, Australia.,Division of Obstetrics & Gynaecology, The University of Western Australia, Perth, WA, 6009, Australia.,School of Human Sciences, The University of Western Australia, Perth, WA, 6009, Australia
| | - Rachael C Crew
- School of Human Sciences, The University of Western Australia, Perth, WA, 6009, Australia
| | - Marck Norret
- School of Molecular Sciences, The University of Western Australia, Perth, WA, 6009, Australia
| | - Michael J House
- School of Physics, The University of Western Australia, Perth, WA, 6009, Australia
| | - Peter J Mark
- School of Human Sciences, The University of Western Australia, Perth, WA, 6009, Australia
| | - Brendan J Waddell
- School of Human Sciences, The University of Western Australia, Perth, WA, 6009, Australia
| | - K Swaminathan Iyer
- School of Molecular Sciences, The University of Western Australia, Perth, WA, 6009, Australia.
| | - Jeffrey A Keelan
- Division of Obstetrics & Gynaecology, The University of Western Australia, Perth, WA, 6009, Australia.
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Markova N, Slavchev G, Djerov L, Nikolov A, Dimova T. Mycobacterial L-forms are found in cord blood: A potential vertical transmission of BCG from vaccinated mothers. Hum Vaccin Immunother 2016; 12:2565-2571. [PMID: 27294392 DOI: 10.1080/21645515.2016.1193658] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
Abstract
Our previous studies showed that mycobacterial L-forms persist in the blood of BCG vaccinated people and that BCG vaccine is able to produce, under appropriate conditions, filterable, self-replicating L-bodies with virus-like size. Because filterability is one of the characteristics of L-forms, considerable interest has been shown in their capacity to cross the maternal-fetal barrier. The current study demonstrated isolation of mycobacterial L-form cultures from umbilical cord blood of 5 healthy newborns of healthy mothers vaccinated previously with BCG. The isolated cultures showed distinctive growth characteristics of cell wall deficient L-form bacteria. Transmission electron microscopy demonstrated presence of L-bodies with extremely small size of 100 nm and revealed morphological transformations, typical for L-forms. IS6110 Real Time PCR assay confirmed that all L-form isolates were of mycobacterial origin and belonged to Mycobacterium tuberculosis complex which includes vaccinal BCG substrains. In conclusion, we could suggest that reproductive filterable L-bodies of BCG origin are able to fall in blood circulation of the fetus by vertical transmitted pathway and colonize newborns.
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Affiliation(s)
- Nadya Markova
- a Institute of Microbiology, Bulgarian Academy of Sciences , Sofia , Bulgaria
| | - Georgi Slavchev
- a Institute of Microbiology, Bulgarian Academy of Sciences , Sofia , Bulgaria
| | | | | | - Tanya Dimova
- c Institute of Biology and Immunology of Reproduction , Sofia , Bulgaria
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27
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Park EJ, Choi J, Kim JH, Lee BS, Yoon C, Jeong U, Kim Y. Subchronic immunotoxicity and screening of reproductive toxicity and developmental immunotoxicity following single instillation of HIPCO-single-walled carbon nanotubes: purity-based comparison. Nanotoxicology 2016; 10:1188-202. [DOI: 10.1080/17435390.2016.1202348] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Eun-Jung Park
- Myunggok Eye Research Institute, Konyang University, Daejeon, Republic of Korea,
| | - Je Choi
- Department of Molecular Science and Technology, Ajou University, Suwon, Republic of Korea,
| | - Jae-Ho Kim
- Department of Molecular Science and Technology, Ajou University, Suwon, Republic of Korea,
| | - Byoung-Seok Lee
- Toxicologic Pathology Center, Korea Institute of Toxicology, Daejeon, Republic of Korea,
| | - Cheolho Yoon
- Seoul Center, Korea Basic Science Institute, Seoul, Republic of Korea, and
| | - Uiseok Jeong
- Department of Chemical Engineering, Kwangwoon University, Seoul, Republic of Korea
| | - Younghun Kim
- Department of Chemical Engineering, Kwangwoon University, Seoul, Republic of Korea
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28
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Grieger KD, Harrington J, Mortensen N. Prioritizing research needs for analytical techniques suited for engineered nanomaterials in food. Trends Food Sci Technol 2016. [DOI: 10.1016/j.tifs.2016.02.004] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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29
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Girardi G. MRI-based methods to detect placental and fetal brain abnormalities in utero. J Reprod Immunol 2016; 114:86-91. [DOI: 10.1016/j.jri.2015.05.008] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2015] [Revised: 05/21/2015] [Accepted: 05/29/2015] [Indexed: 11/29/2022]
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30
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Di Bona KR, Xu Y, Gray M, Fair D, Hayles H, Milad L, Montes A, Sherwood J, Bao Y, Rasco JF. Short- and Long-Term Effects of Prenatal Exposure to Iron Oxide Nanoparticles: Influence of Surface Charge and Dose on Developmental and Reproductive Toxicity. Int J Mol Sci 2015; 16:30251-68. [PMID: 26694381 PMCID: PMC4691173 DOI: 10.3390/ijms161226231] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2015] [Revised: 10/27/2015] [Accepted: 12/10/2015] [Indexed: 01/04/2023] Open
Abstract
Iron oxide nanoparticles (NPs) are commonly utilized for biomedical, industrial, and commercial applications due to their unique properties and potential biocompatibility. However, little is known about how exposure to iron oxide NPs may affect susceptible populations such as pregnant women and developing fetuses. To examine the influence of NP surface-charge and dose on the developmental toxicity of iron oxide NPs, Crl:CD1(ICR) (CD-1) mice were exposed to a single, low (10 mg/kg) or high (100 mg/kg) dose of positively-charged polyethyleneimine-Fe₂O₃-NPs (PEI-NPs), or negatively-charged poly(acrylic acid)-Fe₂O₃-NPs (PAA-NPs) during critical windows of organogenesis (gestation day (GD) 8, 9, or 10). A low dose of NPs, regardless of charge, did not induce toxicity. However, a high exposure led to charge-dependent fetal loss as well as morphological alterations of the uteri (both charges) and testes (positive only) of surviving offspring. Positively-charged PEI-NPs given later in organogenesis resulted in a combination of short-term fetal loss (42%) and long-term alterations in reproduction, including increased fetal loss for second generation matings (mice exposed in utero). Alternatively, negatively-charged PAA-NPs induced fetal loss (22%) earlier in organogenesis to a lesser degree than PEI-NPs with only mild alterations in offspring uterine histology observed in the long-term.
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Affiliation(s)
- Kristin R Di Bona
- Department of Biological Sciences, the University of Alabama, Tuscaloosa, AL 35487, USA.
| | - Yaolin Xu
- Department of Chemical and Biological Engineering, the University of Alabama, Tuscaloosa, AL 35487, USA.
| | - Marquita Gray
- Department of Biological Sciences, the University of Alabama, Tuscaloosa, AL 35487, USA.
| | - Douglas Fair
- Department of Biological Sciences, the University of Alabama, Tuscaloosa, AL 35487, USA.
| | - Hunter Hayles
- Department of Biological Sciences, the University of Alabama, Tuscaloosa, AL 35487, USA.
| | - Luckie Milad
- Department of Biological Sciences, the University of Alabama, Tuscaloosa, AL 35487, USA.
| | - Alex Montes
- Department of Biological Sciences, the University of Alabama, Tuscaloosa, AL 35487, USA.
| | - Jennifer Sherwood
- Department of Chemical and Biological Engineering, the University of Alabama, Tuscaloosa, AL 35487, USA.
| | - Yuping Bao
- Department of Chemical and Biological Engineering, the University of Alabama, Tuscaloosa, AL 35487, USA.
| | - Jane F Rasco
- Department of Biological Sciences, the University of Alabama, Tuscaloosa, AL 35487, USA.
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Abstract
Exposure to chemicals from different sources in everyday life is widespread; one such source is the wide range of products listed under the title "cosmetics", including the different types of popular and widely-advertised sunscreens. Women are encouraged through advertising to buy into the myth of everlasting youth, and one of the most alarming consequences is in utero exposure to chemicals. The main route of exposure is the skin, but the main endpoint of exposure is endocrine disruption. This is due to many substances in cosmetics and sunscreens that have endocrine active properties which affect reproductive health but which also have other endpoints, such as cancer. Reducing the exposure to endocrine disruptors is framed not only in the context of the reduction of health risks, but is also significant against the background and rise of ethical consumerism, and the responsibility of the cosmetics industry in this respect. Although some plants show endocrine-disrupting activity, the use of well-selected natural products might reduce the use of synthetic chemicals. Instruments dealing with this problem include life-cycle analysis, eco-design, and green labels; in combination with the committed use of environmental management systems, they contribute to "corporate social responsibility".
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Affiliation(s)
- Polyxeni Nicolopoulou-Stamati
- School of Medicine, Department of Pathology, MSc "Environment and Health. Capacity Building for Decision Making", National and Kapodistrian University of Athens, 75 Mikras Asias Str, 11527, Athens, Greece.
| | - Luc Hens
- Vlaamse Instelling voor Technologisch Onderzoek (VITO), Boeretang 200, B2400, Mol, Belgium
| | - Annie J Sasco
- Epidemiology for Cancer Prevention, Team on HIV, Cancer and Global Health, Inserm U 897 - Epidemiology and Biostatistics, Bordeaux Segalen University, 146 rue Leo Saignat, 33076, Bordeaux cedex, France
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32
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Delayed adverse effects of neonatal exposure to polymeric nanoparticle poly(ethylene glycol)-block-polylactide methyl ether on hypothalamic–pituitary–ovarian axis development and function in Wistar rats. Reprod Toxicol 2015; 57:165-75. [DOI: 10.1016/j.reprotox.2015.07.072] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2015] [Revised: 07/08/2015] [Accepted: 07/09/2015] [Indexed: 01/23/2023]
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Ganjuri M, Moshtaghian J, Ghaedi K. Effect of Nanosilver Particles on Procaspase-3 Expression in Newborn Rat Brain. CELL JOURNAL 2015; 17:489-93. [PMID: 26464820 PMCID: PMC4601869 DOI: 10.22074/cellj.2015.23] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/02/2014] [Accepted: 09/24/2014] [Indexed: 01/21/2023]
Abstract
Objective Nanotechnology focuses on materials having at least one dimension of less
than 100 nanometers. Nanomaterials such as Nanosilver (NS) have unique physical and
chemical properties such as size, shape, surface charge. NS particles are thought to in-
duce neuronal degeneration and necrosis in the brain. It has been reported that NS parti-
cles generate free radicals and oxidative stress which alters gene expression and induces
apoptosis. This study was designed to evaluate whether the detrimental effect of NS parti-
cles is through the activation of Procaspase-3 during fetal neural development.
Materials and Methods In this experimental study, thirty Wistar female rats at day one of
pregnancy were semi-randomly distributed into three groups of ten. Group 1, the control
group, had no treatment. From day 1 to the end of pregnancy, groups 2 and 3 received 1
and 10 ppm NS respectively via drinking water. Newborn rats were sacrificed immediately
after birth and their brains were dissected and kept frozen. Total RNA, extracted from brain
homogenates, was reverse transcribed to cDNA. Quantitative real-time polymerase chain
reaction (PCR) analysis was undertaken to estimate the expression level of Procaspase-3.
Results Developmental exposure to NS induced neurotoxicity and apoptosis. This corre-
lated with a significant increase in Procaspase-3 expression level especially at 10 ppm NS.
Conclusion The pro-apoptotic activity of NS in cells is likely to due to the dysregula-
tion of Procaspase-3.
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Affiliation(s)
- Mostafa Ganjuri
- Department of Biology, School of Sciences, University of Isfahan, Isfahan, Iran
| | - Jamal Moshtaghian
- Department of Biology, School of Sciences, University of Isfahan, Isfahan, Iran
| | - Kamran Ghaedi
- Department of Biology, School of Sciences, University of Isfahan, Isfahan, Iran ; Department of Cellular Biotechnology, Cell Science Research Center, Royan Institute for Biotechnology, ACECR, Isfahan, Iran
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34
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Braakhuis HM, Kloet SK, Kezic S, Kuper F, Park MVDZ, Bellmann S, van der Zande M, Le Gac S, Krystek P, Peters RJB, Rietjens IMCM, Bouwmeester H. Progress and future of in vitro models to study translocation of nanoparticles. Arch Toxicol 2015; 89:1469-95. [PMID: 25975987 PMCID: PMC4551544 DOI: 10.1007/s00204-015-1518-5] [Citation(s) in RCA: 81] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2015] [Accepted: 04/01/2015] [Indexed: 10/28/2022]
Abstract
The increasing use of nanoparticles in products likely results in increased exposure of both workers and consumers. Because of their small size, there are concerns that nanoparticles unintentionally cross the barriers of the human body. Several in vivo rodent studies show that, dependent on the exposure route, time, and concentration, and their characteristics, nanoparticles can cross the lung, gut, skin, and placental barrier. This review aims to evaluate the performance of in vitro models that mimic the barriers of the human body, with a focus on the lung, gut, skin, and placental barrier. For these barriers, in vitro models of varying complexity are available, ranging from single-cell-type monolayer to multi-cell (3D) models. Only a few studies are available that allow comparison of the in vitro translocation to in vivo data. This situation could change since the availability of analytical detection techniques is no longer a limiting factor for this comparison. We conclude that to further develop in vitro models to be used in risk assessment, the current strategy to improve the models to more closely mimic the human situation by using co-cultures of different cell types and microfluidic approaches to better control the tissue microenvironments are essential. At the current state of the art, the in vitro models do not yet allow prediction of absolute transfer rates but they do support the definition of relative transfer rates and can thus help to reduce animal testing by setting priorities for subsequent in vivo testing.
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Affiliation(s)
- Hedwig M. Braakhuis
- />Department of Toxicogenomics, Maastricht University, PO Box 616, 6200 MD Maastricht, The Netherlands
- />Centre for Health Protection, National Institute for Public Health and the Environment (RIVM), PO Box 1, 3720 BA Bilthoven, The Netherlands
| | - Samantha K. Kloet
- />Division of Toxicology, Wageningen University, Tuinlaan 5, 6703 HE Wageningen, The Netherlands
| | - Sanja Kezic
- />AMC, Coronel Institute of Occupational Health, Academic Medical Centre, University of Amsterdam, 1105 AZ Amsterdam, The Netherlands
| | - Frieke Kuper
- />TNO, Utrechtseweg 48, 3704 HE Zeist, The Netherlands
| | - Margriet V. D. Z. Park
- />Centre for Health Protection, National Institute for Public Health and the Environment (RIVM), PO Box 1, 3720 BA Bilthoven, The Netherlands
| | | | | | - Séverine Le Gac
- />UT BIOS, Lab on a Chip Group, MESA+ Institute for Nanotechnology, MIRA Institute for Biomedical Engineering and Technical Medicine, University of Twente, Enschede, The Netherlands
| | - Petra Krystek
- />Philips Innovation Services, High Tech Campus 11, 5656 AE Eindhoven, The Netherlands
| | - Ruud J. B. Peters
- />RIKILT- Wageningen UR, PO Box 230, 6700 AE Wageningen, The Netherlands
| | - Ivonne M. C. M. Rietjens
- />Division of Toxicology, Wageningen University, Tuinlaan 5, 6703 HE Wageningen, The Netherlands
| | - Hans Bouwmeester
- />RIKILT- Wageningen UR, PO Box 230, 6700 AE Wageningen, The Netherlands
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35
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Snyder RW, Fennell TR, Wingard CJ, Mortensen NP, Holland NA, Shannahan JH, Pathmasiri W, Lewin AH, Sumner SCJ. Distribution and biomarker of carbon-14 labeled fullerene C60 ([(14) C(U)]C60 ) in pregnant and lactating rats and their offspring after maternal intravenous exposure. J Appl Toxicol 2015; 35:1438-51. [PMID: 26081520 DOI: 10.1002/jat.3177] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2015] [Revised: 04/11/2015] [Accepted: 04/21/2015] [Indexed: 11/09/2022]
Abstract
A comprehensive distribution study was conducted in pregnant and lactating rats exposed to a suspension of uniformly carbon-14 labeled C60 ([(14) C(U)]C60 ). Rats were administered [(14) C(U)]C60 (~0.2 mg [(14) C(U)]C60 kg(-1) body weight) or 5% polyvinylpyrrolidone (PVP)-saline vehicle via a single tail vein injection. Pregnant rats were injected on gestation day (GD) 11 (terminated with fetuses after either 24 h or 8 days), GD15 (terminated after 24 h or 4 days), or GD18 (terminated after 24 h). Lactating rats were injected on postnatal day 8 and terminated after 24 h, 3 or 11 days. The distribution of radioactivity in pregnant dams was influenced by both the state of pregnancy and time of termination after exposure. The percentage of recovered radioactivity in pregnant and lactating rats was highest in the liver and lungs. Radioactivity was quantitated in over 20 tissues. Radioactivity was found in the placenta and in fetuses of pregnant dams, and in the milk of lactating rats and in pups. Elimination of radioactivity was < 2% in urine and feces at each time point. Radioactivity remained in blood circulation up to 11 days after [(14) C(U)]C60 exposure. Biomarkers of inflammation, cardiovascular injury and oxidative stress were measured to study the biological impacts of [(14) C(U)]C60 exposure. Oxidative stress was elevated in female pups of exposed dams. Metabolomics analysis of urine showed that [(14) C(U)]C60 exposure to pregnant rats impacted the pathways of vitamin B, regulation of lipid and sugar metabolism and aminoacyl-tRNA biosynthesis. This study demonstrated that [(14) C(U)]C60 crosses the placenta at all stages of pregnancy examined, and is transferred to pups via milk.
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Affiliation(s)
- Rodney W Snyder
- Discovery Sciences, RTI International, 3040 Cornwallis Drive, Research Triangle Park, NC, 27709, USA
| | - Timothy R Fennell
- Discovery Sciences, RTI International, 3040 Cornwallis Drive, Research Triangle Park, NC, 27709, USA
| | - Christopher J Wingard
- Department of Physiology, Brody School of Medicine, East Carolina University, Greenville, NC, 27834, USA
| | - Ninell P Mortensen
- Discovery Sciences, RTI International, 3040 Cornwallis Drive, Research Triangle Park, NC, 27709, USA
| | - Nathan A Holland
- Department of Physiology, Brody School of Medicine, East Carolina University, Greenville, NC, 27834, USA
| | - Jonathan H Shannahan
- Department of Physiology, Brody School of Medicine, East Carolina University, Greenville, NC, 27834, USA
| | - Wimal Pathmasiri
- Discovery Sciences, RTI International, 3040 Cornwallis Drive, Research Triangle Park, NC, 27709, USA
| | - Anita H Lewin
- Discovery Sciences, RTI International, 3040 Cornwallis Drive, Research Triangle Park, NC, 27709, USA
| | - Susan C J Sumner
- Discovery Sciences, RTI International, 3040 Cornwallis Drive, Research Triangle Park, NC, 27709, USA
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Abstract
Ultraviolet solar radiation is a well-known environmental health risk factor and the use of sun lotions is encouraged to achieve protection mainly from skin cancer. Sun lotions are cosmetic commercial products that combine active and inactive ingredients and many of these are associated with health problems, including allergic reactions and endocrine disorders. This review focuses on their ability to cause endocrine and reproductive impairments, with emphasis laid on the active ingredients (common and less common UV filters). In vitro and in vivo studies have demonstrated their ability to show oestrogenic/anti-oestrogenic and androgenic/anti-androgenic activity. Many ingredients affect the oestrous cycle, spermatogenesis, sexual behaviour, fertility and other reproductive parameters in experimental animals. Their presence in aquatic environments may reveal a new emerging environmental hazard.
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Affiliation(s)
- Sotirios Maipas
- National and Kapodistrian University of Athens, School of Medicine, First Department of Pathology and Cytology Unit, 1st Pathology Laboratory, Athens, Greece
| | - Polyxeni Nicolopoulou-Stamati
- National and Kapodistrian University of Athens, School of Medicine, First Department of Pathology and Cytology Unit, 1st Pathology Laboratory, Athens, Greece
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Toxicity evaluation following intratracheal instillation of iron oxide in a silica matrix in rats. BIOMED RESEARCH INTERNATIONAL 2014; 2014:134260. [PMID: 24949417 PMCID: PMC4053145 DOI: 10.1155/2014/134260] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/27/2014] [Accepted: 04/22/2014] [Indexed: 12/15/2022]
Abstract
Iron oxide-silica nanoparticles (IOSi-NPs) were prepared from a mixture of ferrous chloride tetrahydrate and ferric chloride hexahydrate dropped into a silica xerogel composite. The structure and morphology of the synthesized maghemite nanoparticles into the silica xerogel were analysed by X-ray diffraction measurements, scanning electron microscopy equipped with an energy dispersive X-ray spectrometer, and transmission electron microscopy. The results of the EDAX analysis indicated that the embedded particles were iron oxide nanoparticles. The particle size of IOSi-NPs calculated from the XRD analysis was estimated at around 12.5 nm. The average size deduced from the particle size distribution is 13.7 ± 0.6 nm, which is in good agreement with XRD analysis. The biocompatibility of IOSi-NPs was assessed by cell viability and cytoskeleton analysis. Histopathology analysis was performed after 24 hours and 7 days, respectively, from the intratracheal instillation of a solution containing 0.5, 2.5, or 5 mg/kg IOSi-NPs. The pathological micrographs of lungs derived from rats collected after the intratracheal instillation with a solution containing 0.5 mg/kg and 2.5 mg/kg IOSi-NPs show that the lung has preserved the architecture of the control specimen with no significant differences. However, even at concentrations of 5 mg/kg, the effect of IOSi-NPS on the lungs was markedly reduced at 7 days posttreatment.
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38
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Stapleton PA, Nurkiewicz TR. Maternal nanomaterial exposure: a double threat to maternal uterine health and fetal development? Nanomedicine (Lond) 2014; 9:929-31. [PMID: 24978457 PMCID: PMC4128482 DOI: 10.2217/nnm.14.61] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Affiliation(s)
- Phoebe A Stapleton
- Center for Cardiovascular & Respiratory Sciences, West Virginia University School of Medicine, Morgantown, WV, USA
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39
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Vidanapathirana AK, Thompson LC, Odom J, Holland NA, Sumner SJ, Fennell TR, Brown JM, Wingard CJ. Vascular Tissue Contractility Changes Following Late Gestational Exposure to Multi-Walled Carbon Nanotubes or their Dispersing Vehicle in Sprague Dawley Rats. ACTA ACUST UNITED AC 2014; 5. [PMID: 27066300 DOI: 10.4172/2157-7439.1000201] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Multi-walled carbon nanotubes (MWCNTs) are increasingly used in industry and in nanomedicine raising safety concerns, especially during unique life-stages such as pregnancy. We hypothesized that MWCNT exposure during pregnancy will increase vascular tissue contractile responses by increasing Rho kinase signaling. Pregnant (17-19 gestational days) and non-pregnant Sprague Dawley rats were exposed to 100 μg/kg of MWCNTs by intratracheal instillation or intravenous administration. Vasoactive responses of uterine, mesenteric, aortic and umbilical vessels were studied 24 hours post-exposure by wire myography. The contractile responses of the vessel segments were different between the pregnant and non-pregnant rats, following MWCNT exposure. Maximum stress generation in the uterine artery segments from the pregnant rats following pulmonary MWCNT exposure was increased in response to angiotensin II by 4.9 mN/mm2 (+118%), as compared to the naïve response and by 2.6 mN/mm2 (+40.7%) as compared to the vehicle exposed group. Following MWCNT exposure, serotonin induced approximately 4 mN/mm2 increase in stress generation of the mesenteric artery from both pregnant and non-pregnant rats as compared to the vehicle response. A significant contribution of the dispersion medium was identified as inducing changes in the contractile properties following both pulmonary and intravenous exposure to MWCNTs. Wire myographic studies in the presence of a Rho kinase inhibitor and RhoA and Rho kinase mRNA/protein expression of rat aortic endothelial cells were unaltered following exposure to MWCNTs, suggesting absent/minimal contribution of Rho kinase to the enhanced contractile responses following MWCNT exposure. The reactivity of the umbilical vein was not changed; however, mean fetal weight gain was reduced with dispersion media and MWCNT exposure by both routes. These results suggest a susceptibility of the vasculature during gestation to MWCNT and their dispersion media-induced vasoconstriction, predisposing reduced fetal growth during pregnancy.
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Affiliation(s)
- A K Vidanapathirana
- Department of Physiology, Brody School of Medicine, East Carolina University, NC 27834, USA
| | - L C Thompson
- Department of Physiology, Brody School of Medicine, East Carolina University, NC 27834, USA
| | - J Odom
- Department of Physiology, Brody School of Medicine, East Carolina University, NC 27834, USA
| | - N A Holland
- Department of Physiology, Brody School of Medicine, East Carolina University, NC 27834, USA
| | - S J Sumner
- Discovery Sciences, RTI International, Research Triangle Park, NC, 27709, USA
| | - T R Fennell
- Discovery Sciences, RTI International, Research Triangle Park, NC, 27709, USA
| | - J M Brown
- Department of Pharmaceutical Sciences, Skaggs School of Pharmacy and Pharmaceutical Sciences, University of Colorado, CO, 80045, USA
| | - C J Wingard
- Department of Physiology, Brody School of Medicine, East Carolina University, NC 27834, USA
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40
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Burd I, Zhang F, Dada T, Mishra MK, Borbiev T, Lesniak WG, Baghlaf H, Kannan S, Kannan RM. Fetal uptake of intra-amniotically delivered dendrimers in a mouse model of intrauterine inflammation and preterm birth. NANOMEDICINE-NANOTECHNOLOGY BIOLOGY AND MEDICINE 2014; 10:1343-51. [PMID: 24657482 DOI: 10.1016/j.nano.2014.03.008] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/02/2013] [Revised: 03/06/2014] [Accepted: 03/09/2014] [Indexed: 12/17/2022]
Abstract
UNLABELLED Intrauterine inflammation is associated with preterm birth and can lead to fetal neuroinflammation and neurobehavioral disorders in newborns. Dendrimers can intrinsically target and deliver drugs for the treatment of neuroinflammation. We explore whether hydroxyl polyamidoamine (PAMAM) dendrimer (G4-OH)-based nanomedicines can be delivered to the fetus by intra-amniotic administration, in a mouse model of intrauterine inflammation. The time-dependent accumulation of G4-OH-fluorophore conjugate was quantified by fluorescence. These studies suggest that, after intra-amniotic administration, there is significant accumulation of dendrimer in the fetus gut and brain. In addition, there is some fetal-maternal transport of the dendrimer. Confocal microscopy confirmed the presence of G4-OH in the fetal brain, with a large accumulation in the brain blood vessels and the brain parenchyma, and some microglial uptake. We believe that intra-amniotic administration of G4-OH-drug nanomedicines may enable the treatment of diseases related to intrauterine inflammation and fetal neuroinflammation. FROM THE CLINICAL EDITOR Using a mouse model of intrauterin inflammation leading to neuroinflammation in the fetus, these investigators demonstrate that intra-amniotic delivery of hydroxyl polyamidoamine (PAMAM) dendrimer (G4-OH)-based nanomedicines may provide an effective method in preventing this complication.
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Affiliation(s)
- Irina Burd
- Integrated Research Center for Fetal Medicine, Gynecology and Obstetrics, Johns Hopkins School of Medicine, Baltimore, MD.
| | - Fan Zhang
- Center for Nanomedicine, Department of Ophthalmology, Wilmer Eye Institute, Johns Hopkins School of Medicine, Baltimore, MD
| | - Tahani Dada
- Integrated Research Center for Fetal Medicine, Gynecology and Obstetrics, Johns Hopkins School of Medicine, Baltimore, MD
| | - Manoj K Mishra
- Center for Nanomedicine, Department of Ophthalmology, Wilmer Eye Institute, Johns Hopkins School of Medicine, Baltimore, MD
| | - Talaibek Borbiev
- Integrated Research Center for Fetal Medicine, Gynecology and Obstetrics, Johns Hopkins School of Medicine, Baltimore, MD
| | - Wojciech G Lesniak
- Center for Nanomedicine, Department of Ophthalmology, Wilmer Eye Institute, Johns Hopkins School of Medicine, Baltimore, MD
| | - Haitham Baghlaf
- Integrated Research Center for Fetal Medicine, Gynecology and Obstetrics, Johns Hopkins School of Medicine, Baltimore, MD
| | - Sujatha Kannan
- Anesthesiology and Critical Care Medicine, Johns Hopkins School of Medicine, Baltimore, MD
| | - Rangaramanujam M Kannan
- Center for Nanomedicine, Department of Ophthalmology, Wilmer Eye Institute, Johns Hopkins School of Medicine, Baltimore, MD.
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Abstract
Nanotechnology has been applied in consumer products and commercial applications, showing a significant impact on almost all industries and all areas of society. Significant evidence indicates that manufactured nanomaterials and combustion-derived nano-materials elicit toxicity in humans exposed to these nanomaterials. The interaction of the engineered nanomaterials with the nervous system has received much attention in the nanotoxicology field. In this review, the biological effects of metal, metal oxide, and carbon-based nanomaterials on the nervous system are discussed from both in vitro and in vivo studies. The translocation of the nanoparticles through the blood–brain barrier or nose to brain via the olfactory bulb route, oxidative stress, and inflammatory mechanisms of nanomaterials are also reviewed.
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42
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Faust JJ, Zhang W, Chen Y, Capco DG. Alpha-Fe2O3 elicits diameter-dependent effects during exposure to an in vitro model of the human placenta. Cell Biol Toxicol 2014; 30:31-53. [DOI: 10.1007/s10565-013-9267-9] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2013] [Accepted: 12/27/2013] [Indexed: 12/13/2022]
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43
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Zhao G, Huang Y, Li G, Li S, Zhou Y, Lei Y, Chen X, Yang K, Chen Y, Yang K. [Subcellular distribution and genotoxicity of silica nanoparticles in human bronchial epithelial cells]. ZHONGGUO FEI AI ZA ZHI = CHINESE JOURNAL OF LUNG CANCER 2014; 16:117-24. [PMID: 23514939 PMCID: PMC6015129 DOI: 10.3779/j.issn.1009-3419.2013.03.01] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
背景与目的 纳米二氧化硅广泛应用于社会生产生活中,肺部是吸入暴露纳米二氧化硅的主要靶器官,因此,二氧化硅对肺部的生物毒性作用引起人们的广泛关注。本研究旨在探讨纳米二氧化硅在人支气管上皮细胞内的亚细胞分布和遗传毒性。 方法 应用透射电子显微镜(transmission electron microscope, TEM)观察不同粒径二氧化硅在人支气管上皮细胞(immortalized human bronchial epithelium cells, BEAS-2B)内的亚细胞分布;应用单细胞凝胶电泳检测不同粒径二氧化硅处理BEAS-2B细胞24 h后的DNA损伤,了解不同粒径二氧化硅的遗传毒性作用。 结果 透射电镜观察到微米二氧化硅不能进入细胞,纳米二氧化硅赋存在细胞质,纳米二氧化硅导致线粒体、内质网等细胞器损伤。纳米二氧化硅导致比微米二氧化硅更严重的DNA损伤(P < 0.05)。 结论 二氧化硅的粒径决定二氧化硅颗粒物是否能进入细胞及在细胞内的分布,纳米二氧化硅对细胞遗传毒性比微米二氧化硅严重。
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Affiliation(s)
- Guangqiang Zhao
- Department of Cardiothoracic Surgery, the Third Affiliated Hospital of Kunming Medical University/The Tumor Hospital of Yunnan Province, Kunming 650118, China
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Lee Y, Choi J, Kim P, Choi K, Kim S, Shon W, Park K. A transfer of silver nanoparticles from pregnant rat to offspring. Toxicol Res 2013; 28:139-41. [PMID: 24278602 PMCID: PMC3834416 DOI: 10.5487/tr.2012.28.3.139] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2012] [Revised: 09/01/2012] [Accepted: 09/04/2012] [Indexed: 11/23/2022] Open
Abstract
Silver nanoparticles (size: 7.9 ± 0.95 nm, dosage: 250 mg/kg) were orally administered to pregnant rats. At 4 days after parturition, four pups were randomly selected (one pup from one dam) and silver level in liver, kidney, lung and brain was determined by ICP-MS and electron microscope. As results, silver nanoparticles highly accumulated in the tissues of the pups. Silver level in the treated group was 132.4 ± 43.9 ng/g in the kidney (12.3 fold compared to control group), 37.3 ± 11.3 ng/g in the liver (7.9 fold), 42.0 ± 8.6 ng/g in the lung (5.9 fold), and 31.1 ± 4.3 ng/g in the brain (5.4 fold). This result suggested that the possible transfer of silver nanoparticles from pregnant dams to the fetus through mainly placenta.
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Affiliation(s)
- Yeonjin Lee
- College of Pharmacy, Dongduk Women's University, Seoul 136-714, Korea
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45
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Rattanapinyopituk K, Shimada A, Morita T, Sakurai M, Asano A, Hasegawa T, Inoue K, Takano H. Demonstration of the clathrin- and caveolin-mediated endocytosis at the maternal-fetal barrier in mouse placenta after intravenous administration of gold nanoparticles. J Vet Med Sci 2013; 76:377-87. [PMID: 24257253 PMCID: PMC4013364 DOI: 10.1292/jvms.13-0512] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Exposure to nanoparticles during pregnancy is a public concern, because
nanoparticles may pass from the mother to the fetus across the placenta. The purpose of
this study was to determine the possible translocation pathway of gold nanoparticles
across the maternal–fetal barrier as well as the toxicity of intravenously administered
gold nanoparticles to the placenta and fetus. Pregnant ICR mice were intravenously
injected with 0.01% of 20- and 50-nm gold nanoparticle solutions on the 16th and 17th days
of gestation. There was no sign of toxic damage to the placentas as well as maternal and
fetal organs of the mice treated with 20- and 50-nm gold nanoparticles. ICP-MS analysis
demonstrated significant amounts of gold deposited in the maternal livers and placentas,
but no detectable level of gold in the fetal organs. However, electron microscopy
demonstrated an increase of endocytic vesicles in the cytoplasm of syncytiotrophoblasts
and fetal endothelial cells in the maternal–fetal barrier of mice treated with gold
nanoparticles. Clathrin immunohistochemistry and immunoblotting showed increased
immunoreactivity of clathrin protein in the placental tissues of mice treated with 20- and
50-nm gold nanoparticles; clathrin immunopositivity was observed in syncytiotrophoblasts
and fetal endothelial cells. In contrast, caveolin-1 immunopositivity was observed
exclusively in the fetal endothelium. These findings suggested that intravenous
administration of gold nanoparticles may upregulate clathrin- and caveolin-mediated
endocytosis at the maternal–fetal barrier in mouse placenta.
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Affiliation(s)
- Kasem Rattanapinyopituk
- Department of Veterinary Pathology, Tottori University, 4-101 Koyama Minami, Tottori 680-8553, Japan
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46
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Jo E, Seo G, Kwon JT, Lee M, Lee BC, Eom I, Kim P, Choi K. Exposure to zinc oxide nanoparticles affects reproductive development and biodistribution in offspring rats. J Toxicol Sci 2013; 38:525-30. [PMID: 23824008 DOI: 10.2131/jts.38.525] [Citation(s) in RCA: 70] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Abstract
Understanding reproductive development effects and transferable properties to next generation of zinc oxide nanoparticles is necessary for prevention of its potential risks. To accomplish this, rats were exposed to zinc oxide nanomaterials (500 mg/kg bw) of less than 100 nm beginning 2 weeks before mating to postnatal day 4. In addition, body distribution of zinc concentration was evaluated in dams and offspring. Rat treated with nano-zinc oxide showed reduced number of born/live pups, decreased body weights of pups and increased fetal resorption. Zinc oxide nanomaterials were also distributed to organs such as mammary tissue of dams and liver and kidney of pups. These results indicate that zinc oxide nanoparticles-exposure before and during pregnancy and lactation could pose health risks to pregnant women and their fetus.
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Affiliation(s)
- Eunhye Jo
- Environmental Health Research Department, National Institute of Environmental Research, Korea.
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47
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Kulvietis V, Zurauskas E, Rotomskis R. Distribution of polyethylene glycol coated quantum dots in mice skin. Exp Dermatol 2013; 22:157-9. [PMID: 23362878 DOI: 10.1111/exd.12087] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/09/2013] [Indexed: 11/28/2022]
Abstract
The distribution of nanoparticles (NP) in an organism is an important issue for developing NP-based drug delivery systems and for general nanotoxicology. The knowledge of NP localisation in the skin is crucial for the optimisation of NP behaviour in vivo. Therefore, we have used semiconductor quantum dots (QD) to investigate their biodistribution in the skin by means of confocal fluorescence microscopy after subcutaneous injection. The results obtained showed that the diffusion of QD in the dermis is limited by basement membrane and dense connective tissue fibres, which resulted in negligible QD penetration into the epidermis, hair follicles, sebaceous and sweat glands, nerves and blood vessels. Low permeation of QD through the tissues results in slow clearance and raises the risks of potential immune, inflammatory and cytotoxic responses. The study reveals the significance of the tissue architecture for the interstitial and intracellular migration patterns of non-functionalised QD.
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48
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Grosse S, Evje L, Syversen T. Silver nanoparticle-induced cytotoxicity in rat brain endothelial cell culture. Toxicol In Vitro 2012; 27:305-13. [PMID: 22954533 DOI: 10.1016/j.tiv.2012.08.024] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2012] [Revised: 08/01/2012] [Accepted: 08/21/2012] [Indexed: 01/18/2023]
Abstract
Silver nanoparticles (AgNPs) are among the most widely commercialised engineered nanomaterials, because of their antimicrobial properties. They are already commonly used in medical devices, household products and industry. Concerns have been raised about potential adverse health effects due to increasing dispersion of AgNPs in the environment. The present study examined the cytotoxic effects of spherical, citrate-coated AgNPs (10, 50 and 100 nm) in rat brain endothelial (RBE4) cells and investigated whether the observed effects can be explained by the intrinsic toxicity of the particles or the silver ions released from the particles. The results indicated that exposure of RBE4 cells to AgNPs lead to significant reduction in dye uptake as measured with the Neutral red (NR) assay. The effect was found to be related to particle size, surface area, dose and exposure time. In contrast, silver ions increased NR uptake (ca. 10%) in RBE4 cells after 1h, while a reduction in NR uptake was observed after 24h exposure at high concentrations (20-30 μM). Colony formation, as an indicator of proliferation ability, was completely inhibited by AgNPs at concentrations higher than 1 μg/ml. Silver ions had less effect on the colony formation of RBE4 cells than AgNPs.
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Affiliation(s)
- Susann Grosse
- Department of Neuroscience, Norwegian University of Science and Technology, PO Box 8905 MTFS, NO-7491 Trondheim, Norway
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