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Ren Y, Wang G, Bai X, Su Y, Zhang Z, Han J. Research progress on remediation of organochlorine pesticide contamination in soil. ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 2024; 46:25. [PMID: 38225511 DOI: 10.1007/s10653-023-01797-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Accepted: 11/25/2023] [Indexed: 01/17/2024]
Abstract
Deteriorated soil pollution has grown into a worldwide environmental concern over the years. Organochlorine pesticide (OCP) residues, featured with ubiquity, persistence and refractoriness, are one of the main pollution sources, causing soil degradation, fertility decline and nutritional imbalance, and severely impacting soil ecology. Furthermore, residual OCPs in soil may enter the human body along with food chain accumulation and pose a serious health threat. To date, many remediation technologies including physicochemical and biological ways for organochlorine pollution have been developed at home and abroad, but none of them is a panacea suitable for all occasions. Rational selection and scientific decision-making are grounded in in-depth knowledge of various restoration techniques. However, soil pollution treatment often encounters the interference of multiple factors (climate, soil properties, cost, restoration efficiency, etc.) in complex environments, and there is still a lack of systematic summary and comparative analysis of different soil OCP removal methods. Thus, to better guide the remediation of contaminated soil, this review summarized the most commonly used strategies for OCP removal, evaluated their merits and limitations and discussed the application scenarios of different methods. It will facilitate the development of efficient, inexpensive and environmentally friendly soil remediation strategies for sustainable agricultural and ecological development.
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Affiliation(s)
- Ying Ren
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100193, China
| | - Gang Wang
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100193, China
| | - Xuanjiao Bai
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100193, China
| | - Yuying Su
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100193, China
| | - Zheng Zhang
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100193, China
| | - Jianping Han
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100193, China.
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Moreau X, Claeys-Bruno M, Andraud JP, Macarie H, Martínez DE, Robin M, Sergent M, De Jong L. Hydra bioassay for the evaluation of chlordecone toxicity at environmental concentrations, alone or in complex mixtures with dechlorinated byproducts: experimental observations and modeling by experimental design. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:91017-91035. [PMID: 35881290 DOI: 10.1007/s11356-022-22050-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Accepted: 07/12/2022] [Indexed: 06/15/2023]
Abstract
In chlordecone (CLD)-contaminated soils of the French West Indies, if microbial remediation or a physicochemical remediation process, e.g., in situ chemical reduction, is implemented, concentrations of degradation byproducts, such as hydrochlordecones, are expected to increase in the ecosystems. To study their impact in mixtures with CLD, bioassays were carried out. They consisted in evaluating the regenerative capacity of hydra polyps, from a clone whose phylogenetic analysis confirmed that it belonged to the species Hydra vulgaris Pallas, 1766. Hydra gastric sections were exposed to CLD alone or CLD plus dechlorinated byproducts (CLD-BP) for 96 h to assess regeneration. Based on chromatographic analysis, the CLD-BP mix was composed of the 5-monohydrochlordecone isomer (CAS nomenclature), four dihydrochlordecone isomers, and one trihydrochlordecone isomer representing 50%, 47%, and 3% of the total chromatographic area, respectively. A total of 18 mixtures of CLD and CLD-BP were tested. Six environmental concentrations of CLD (2.10-4 μM to 4.10-2 μM) and a similar range of CLD-BP were used. Results from exposures to CLD alone showed the following: (i) a significant decrease in the regenerative capacity of hydra, except at the lowest concentration (2.10-4 μM); (ii) a concentration-independent deleterious effect. The regeneration scores obtained after the exposure to the addition of CLD-BP were not significantly different from those obtained after exposure to CLD alone. Using an experimental design, a modeling of the regeneration scores of hydra exposed to mixtures is proposed. Interpreted carefully, since they are limited to only one type of bioassay, the present results suggest that the situation in the aquatic environments should not become worse in terms of toxicity, if soil remediation programs resulting in the formation of hydrochlordecones are put in place.
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Affiliation(s)
- Xavier Moreau
- Aix Marseille Univ, Avignon Univ, CNRS, IRD, IMBE, Marseille, France
| | | | | | - Hervé Macarie
- Aix Marseille Univ, Avignon Univ, CNRS, IRD, IMBE, Marseille, France
| | | | - Maxime Robin
- Aix Marseille Univ, Avignon Univ, CNRS, IRD, IMBE, Marseille, France
| | - Michelle Sergent
- Aix Marseille Univ, Avignon Univ, CNRS, IRD, IMBE, Marseille, France
| | - Laetitia De Jong
- Aix Marseille Univ, Avignon Univ, CNRS, IRD, IMBE, Marseille, France.
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Ollivier P, Engevin J, Bristeau S, Mouvet C. Laboratory study on the mobility of chlordecone and seven of its transformation products formed by chemical reduction in nitisol lysimeters of a banana plantation in Martinique (French Caribbean). THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 743:140757. [PMID: 32659561 DOI: 10.1016/j.scitotenv.2020.140757] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/25/2020] [Revised: 07/02/2020] [Accepted: 07/03/2020] [Indexed: 06/11/2023]
Abstract
The contamination by chlordecone (CLD) of soils and water in the French Caribbean (FC) has major environmental and human health impacts. In Situ Chemical Reduction (ISCR) is a promising method to degrade CLD but it generates transformation products (TPs). Here, the fate and transport of CLD and its TPs have been studied using three lysimeters, 65-70 cm-long and 20 cm in diameter, collected from a CLD contaminated nitisol in the FC. A simulated ISCR remediation process (Sim-ISCR) was applied to the top 15 cm layer. An equivalent of 9.8 years of effective rainfall was simulated during the 451 days of the experiments. CLD and seven TPs were analyzed in soils, soil pore waters and outflow waters of the lysimeters before and after the Sim-ISCR. CLD concentration in the soil pore waters increases with depth. In the Sim-ISCR treated layer, the CLD contamination was lowered by 41 to 47% in the soil and by 48 to 73% in the soil pore water. In the lysimeters outflow, however, the CLD concentration was lowered by only 13 to 25%, the flux of CLD from the untreated 50-55 cm of the profile concealing much of the beneficial impact of treating the top 15 cm. Remediating by ISCR the topsoil only will therefore not be sufficient for preventing further CLD contamination of the underlying groundwater. Sim-ISCR generated 5-hydroCLD in soils and waters and, to a much lesser extent, a trihydroCLD, a tetrahydroCLD, a pentahydroCLD and a heptahydroCLD. 5-hydroCLD is more mobile than CLD, but it still interacts strongly with the soil. The 5-hydroCLD values measured in the outflow were up to a factor of 4.4 lower than in the treated soil pore waters, indicating some natural attenuation.
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Affiliation(s)
- Patrick Ollivier
- BRGM, 3 Avenue C. Guillemin, BP 36009, 45060 Orléans Cedex 2, France.
| | - Jérémy Engevin
- BRGM, 3 Avenue C. Guillemin, BP 36009, 45060 Orléans Cedex 2, France
| | | | - Christophe Mouvet
- BRGM, 3 Avenue C. Guillemin, BP 36009, 45060 Orléans Cedex 2, France
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Woignier T, Rangon L, Clostre F, Mottes C, Cattan P, Primera J, Jannoyer M. Physical limitation of pesticides (chlordecone) decontamination in volcanic soils: fractal approach and numerical simulation. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:40980-40991. [PMID: 31359312 DOI: 10.1007/s11356-019-05899-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/29/2019] [Accepted: 07/03/2019] [Indexed: 06/10/2023]
Abstract
In the French West Indies, the chlordecone (organochloride pesticide) pollution is now diffuse becoming new contamination source for crops and environment (water, trophic chain). Decontamination by bioremediation and chemical degradation are still under development but the physical limitations of these approaches are generally not taken into account. These physical limitations are related to the poor physical accessibility to the pesticides in soils because of the peculiar structural properties of the contaminated clays (pore volume, transport properties, permeability, and diffusion). Some volcanic soils (andosols), which represent the half of the contaminated soils in Martinique, contain nanoclay (allophane) with a unique structure and porous properties. Andosols are characterized by pore size distribution in the mesoporous range, a high specific surface area, a large pore volume, and a fractal structure. Our hypothesis is that the clay microstructure characteristics are crucial physico-chemical factors strongly limiting the remediation of the pesticide. Our results show that allophane microstructure (small pore size, hierarchical microstructure, and tortuosity) favors accumulation of chlordecone, in andosols. Moreover, the clay microporosity limits the accessibility of microorganisms and chemical species able to decontaminate because of poor transport properties (permeability and diffusion). We model the transport properties by two approaches: (1) we use a numerical model to simulate the structure of allophane aggregates. The algorithm is based on a cluster-cluster aggregation model. From the simulated data, we derived the pore volume, specific surface area, tortuosity, permeability, and diffusion. We show that transport properties strongly decrease because of the presence of allophane. (2) The fractal approach. We characterize the fractal features (size of the fractal aggregate, fractal dimension, tortuosity inside allophane aggregates) and we calculate that transport properties decrease of several order ranges inside the clay aggregates. These poor transport properties are important parameters to explain the poor accessibility to pollutants in volcanic soils and should be taken into account by future decontamination process. We conclude that for andosols, this inaccessibility could render inefficient some of the methods proposed in the literature.
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Affiliation(s)
- Thierry Woignier
- Aix Marseille Université, Univ Avignon, CNRS, IRD, IMBE, Marseille, France.
- IRD, UMR IMBE, Campus Agro-environnemental Caraïbe, Le Lamentin, Martinique, France.
| | - Luc Rangon
- Aix Marseille Université, Univ Avignon, CNRS, IRD, IMBE, Marseille, France
- IRD, UMR IMBE, Campus Agro-environnemental Caraïbe, Le Lamentin, Martinique, France
| | | | - Charles Mottes
- Cirad, UPR HortSys, F-97285, Le Lamentin, France
- HortSys, Univ Montpellier, Cirad, Inra, Inria, Montpellier SupAgro, Montpellier, France
| | - Philippe Cattan
- CIRAD, UPR GECO, F-34398, Montpellier, France
- GECO, Univ Montpellier, CIRAD, Montpellier, France
| | - Juan Primera
- Facultad de Ingeniería Agrícola, Departamento de Ciencias Agrícolas, Universidad Técnica de Manabí, Lodana, Provincia de Manabí, Ecuador
- Facultad Experimental de Ciencias, Departamento de Física, Universidad del Zulia, Edo Zulia, Venezuela
| | - Magalie Jannoyer
- Cirad, UPR HortSys, F-97285, Le Lamentin, France
- HortSys, Univ Montpellier, Cirad, Inra, Inria, Montpellier SupAgro, Montpellier, France
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Liber Y, Cornet D, Tournebize R, Feidt C, Mahieu M, Laurent F, Bedell JP. A Bayesian network approach for the identification of relationships between drivers of chlordecone bioaccumulation in plants. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:41046-41051. [PMID: 31902080 DOI: 10.1007/s11356-019-07449-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/26/2019] [Accepted: 12/18/2019] [Indexed: 06/10/2023]
Abstract
Plants were sampled from four different types of chlordecone-contaminated land in Guadeloupe (West Indies). The objective was to investigate the importance of biological and agri-environmental parameters in the ability of plants to bioaccumulate chlordecone. Among the plant traits studied, only the growth habit significantly affected chlordecone transfer, since prostrate plants concentrated more chlordecone than erect plants. In addition, intensification of land use has led to a significant increase in the amount of chlordecone absorbed by plants. The use of Bayesian networks uncovers some hypothesis and identifies paths for reflection and possible studies to identify and quantify relationships that explain our data. Graphical abstract.
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Affiliation(s)
- Yohan Liber
- LEHNA, UMR 5023, CNRS, ENTPE, University of Lyon, F-69518, Vaulx-en-Velin, France
- INRA, UMR1331, Toxalim, F-31027, Toulouse Cedex 3, France
| | - Denis Cornet
- CIRAD, UMR AGAP, F-34398, Montpellier, France
- University of Montpellier, CIRAD, INRA, Montpellier SupAgro, Montpellier, France
| | | | - Cyril Feidt
- URAFPA, Université de Lorraine, INRA USC340, F-54500, Vandoeuvre-lès-Nancy, France
| | - Maurice Mahieu
- INRA, URZ, UR 143, F-97170, Petit-Bourg, Guadeloupe, France
| | | | - Jean-Philippe Bedell
- LEHNA, UMR 5023, CNRS, ENTPE, University of Lyon, F-69518, Vaulx-en-Velin, France.
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Mouvet C, Collet B, Gaude JM, Rangon L, Bristeau S, Senergues M, Lesueur-Jannoyer M, Jestin A, Hellal J, Woignier T. Physico-chemical and agronomic results of soil remediation by In Situ Chemical Reduction applied to a chlordecone-contaminated nitisol at plot scale in a French Caribbean banana plantation. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:41063-41092. [PMID: 31955334 DOI: 10.1007/s11356-020-07603-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/07/2019] [Accepted: 01/01/2020] [Indexed: 06/10/2023]
Abstract
The In Situ Chemical Reduction (ISCR) process was tested in a nitisol in a French Caribbean banana plantation using five different soil amendments. The addition of 2.8% or 4.0% of Zero Valent Iron (ZVI; dw/dw, 2 different trial plots) in the 0-40-cm soil layer lowered the initial chlordecone (CLD) concentration by up to 74% or 69% in 37 days or 94 days, with 75% of the decrease achieved after only 21 or 24 days of treatment depending on the trial plot. The addition of commercially available Daramend® was also tested by applying the 6% dose (dw/dw) recommended by the manufacturer and using either the regular alfalfa-based product or a bagasse-based product specifically formulated for the study. Both significantly lowered CLD concentrations, but to a lesser extent than with the ZVI-only amendment. A bagasse-ZVI mixture prepared on site produced results slightly better than the two Daramend®. The percentage decreases in CLD concentrations were correlated with the negative redox potentials achieved. In all the trial plots, dechlorinated transformation products appeared in the soil and soil water as the CLD concentrations decreased, with H atoms replacing up to 4 and 7 of the 10 Cl atoms, respectively. None of these degradation products appeared to accumulate in the soil or soil water during the treatment. Instead, the reverse occurred, with an overall downward trend in their concentrations over time. The effects of ISCR treatment on agronomic and human health-related parameters were measured in three different crops. The radishes produced with some treatments were visually of lower quality or smaller in size than those grown in the control plots. Lower yields were observed for the cucumbers and sweet potatoes grown after applying the bagasse-based amendments. Mortality among cucumber seedlings was observed after treatment with ZVI only. Simple operational solutions should suffice to remedy these negative agronomic effects. As regards human health-related effects, the CLD concentrations in radishes grown with three of the amendments were significantly lower than in the two control plots and well below the maximum residue level (MRL), which was substantially exceeded in the radishes grown on untreated soil. For cucumbers, the treatments with regular Daramend® and with a local bagasse-ZVI mixture produced fruits with CLD below the MRL and also below the concentrations in one of the two control plots. As for the sweet potatoes, adding a bagasse-ZVI mixture had a significant positive effect by decreasing contamination below the levels in the two control plots and below the MRL.
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Affiliation(s)
| | - Bastien Collet
- Brgm, Villa Bel Azur, 4 Lot. Miramar, Route Pointe des Nègres, F-97200, Fort de France, Martinique, France
| | - Jean-Marie Gaude
- UR Banana, Plantain and Pineapple Cropping Systems, CAEC, PERSYST, Cirad, BP 214, F-97285, Le Lamentin Cedex 2, Martinique, France
| | - Luc Rangon
- CNRS, IRD, Avignon University, IMBE, Aix Marseille University, F-13397, Marseille, France
- IRD, UMR IMBE, Campus Agro-Environnemental Caraïbe, Le Lamentin, Martinique, France
| | | | - Mathlide Senergues
- Brgm, Villa Bel Azur, 4 Lot. Miramar, Route Pointe des Nègres, F-97200, Fort de France, Martinique, France
| | - Magalie Lesueur-Jannoyer
- UR Banana, Plantain and Pineapple Cropping Systems, CAEC, PERSYST, Cirad, BP 214, F-97285, Le Lamentin Cedex 2, Martinique, France
| | - Alexandra Jestin
- UR Banana, Plantain and Pineapple Cropping Systems, CAEC, PERSYST, Cirad, BP 214, F-97285, Le Lamentin Cedex 2, Martinique, France
| | | | - Thierry Woignier
- CNRS, IRD, Avignon University, IMBE, Aix Marseille University, F-13397, Marseille, France
- IRD, UMR IMBE, Campus Agro-Environnemental Caraïbe, Le Lamentin, Martinique, France
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Rusinowski S, Krzyżak J, Sitko K, Kalaji HM, Jensen E, Pogrzeba M. Cultivation of C4 perennial energy grasses on heavy metal contaminated arable land: Impact on soil, biomass, and photosynthetic traits. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2019; 250:300-311. [PMID: 31003142 DOI: 10.1016/j.envpol.2019.04.048] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/24/2019] [Revised: 03/28/2019] [Accepted: 04/09/2019] [Indexed: 05/04/2023]
Abstract
The objective of this study was to evaluate the potential of three C4 perennial grasses (Miscanthus x giganteus, Panicum virgatum and Spartina pectinata) for biomass production on arable land unsuitable for food crop cultivation due to Pb, Cd and Zn contamination. We assessed soil properties, biomass yield, metal concentrations, and the photosynthetic performance of each species. Physico-chemical and elemental analyses were performed on soil samples before plantation establishment (2014) and after three years of cultivation (2016), when leaf area index, plant height, yield and heavy metal content of biomass were also determined. Physiological measurements (gas exchange, pigment content, chlorophyll a fluorescence) were recorded monthly between June and September on mature plants in 2016. Cultivation of investigated plants resulted in increased pH, nitrogen, and organic matter (OM) content in soil, although OM increase (13%) was significant only for S. pectinata plots. During the most productive months, maximal quantum yield values of primary photochemistry (Fv/Fm) and gas exchange parameter values reflected literature data of those plants grown on uncontaminated sites. Biomass yields of M. x giganteus (15.0 ± 0.4 t d.m. ha-1) and S. pectinata (12.6 ± 1.2 t d.m. ha-1) were also equivalent to data published from uncontaminated land. P. virgatum performed poorly (4.1 ± 0.4 t d.m. ha-1), probably due to unfavourable climatic conditions, although metal uptake in this species was the highest (3.6 times that of M. x giganteus for Pb). Yield and physiological measurements indicated that M. x giganteus and S. pectinata were unaffected by the levels of contamination and therefore offer alternatives for areas where food production is prohibited. The broad cultivatable latitudinal range of these species suggests these results are widely relevant for development of the bioeconomy. We recommend multi-location trials under diverse contaminant and environmental regimes to determine the full potential of these species.
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Affiliation(s)
- S Rusinowski
- Institute for Ecology of Industrial Areas, 6 Kossutha Street, 40-844, Katowice, Poland
| | - J Krzyżak
- Institute for Ecology of Industrial Areas, 6 Kossutha Street, 40-844, Katowice, Poland
| | - K Sitko
- Department of Plant Physiology, Faculty of Biology and Environmental Protection, University of Silesia in Katowice, 28 Jagiellońska Street, 40-032, Katowice, Poland
| | - H M Kalaji
- Department of Plant Physiology, Warsaw University of Life Sciences SGGW, 159 Nowoursynowska Street, 02-776, Warsaw, Poland
| | - E Jensen
- Institute of Biological, Environmental and Rural Sciences, Aberystwyth University, Plas Gogerddan, Aberystwyth, Ceredigion, Wales, SY23 3EB, UK
| | - M Pogrzeba
- Institute for Ecology of Industrial Areas, 6 Kossutha Street, 40-844, Katowice, Poland.
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Jiang R, Liu Q, Zhu H, Dai Y, Yao J, Liu Y, Gong PP, Shi W. The expression of TRIAD1 and DISC1 after traumatic brain injury and its influence on NSCs. Stem Cell Res Ther 2018; 9:297. [PMID: 30409224 PMCID: PMC6225628 DOI: 10.1186/s13287-018-1024-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2018] [Revised: 09/13/2018] [Accepted: 09/30/2018] [Indexed: 01/06/2023] Open
Abstract
Background After cerebral injury, the proliferation and differentiation of neural stem cells are important for neural regeneration. Methods We used the SD rat to establish the traumatic brain injury model. Then, we verified molecular expression, interaction through Western blot, immunoprecipitation (IP), immunofluorescence, and other methods. All data were analyzed with Stata 8.0 statistical software. Results We showed for the first time that the interaction of TRIAD1 and DISC1 plays an important role in neural stem cell proliferation and differentiation after traumatic brain injury. In a rat model of traumatic brain injury, we found that the expression of TRIAD1 increased progressively, reached a peak at 3 to 5 days, and then decreased gradually. While the expression level of DISC1 was correlated with TRIAD1, its expression level at 3 days was significantly lower than at other time points. Immunofluorescence on frozen brain sections showed that TRIAD1 and DISC1 are co-localized in neural stem cells. Immunoprecipitation data suggested that TRIAD1 may interact with DISC1. We transfected 293T tool cells with plasmids containing truncated fragments of TRIAD1 and DISC1 and used additional IPs to reveal that these two proteins interact via specific fragments. Finally, we found that overexpressing TRIAD1 and DISC1 in primary neural stem cells, via lentiviral transfection, significantly affected the proliferation and differentiation of those neural stem cells. Conclusions Taken together, these data show that the expression of TRIAD1 and DISC1 change after traumatic brain injury and that their interaction may affect the proliferation and differentiation of neural stem cells. Our research may provide a sufficient experimental basis for finding molecular targets for neural stem cell proliferation and differentiation. Trial registration We did not report the results of a health care intervention on human participants.
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Affiliation(s)
- Rui Jiang
- Department of Neurosurgery, Affiliated Hospital of Nantong University, Nantong, 226001, China.,Jiangsu Clinical Medicine Centre of Tissue Engineering and Nerve Injury Repair, Affiliated Hospital of Nantong University, Nantong, 226001, China
| | - Qianqian Liu
- Department of Neurosurgery, Affiliated Hospital of Nantong University, Nantong, 226001, China.,Jiangsu Clinical Medicine Centre of Tissue Engineering and Nerve Injury Repair, Affiliated Hospital of Nantong University, Nantong, 226001, China
| | - Hui Zhu
- Jiangsu Clinical Medicine Centre of Tissue Engineering and Nerve Injury Repair, Affiliated Hospital of Nantong University, Nantong, 226001, China
| | - Yong Dai
- Department of Neurosurgery, Affiliated Hospital of Nantong University, Nantong, 226001, China.,Jiangsu Clinical Medicine Centre of Tissue Engineering and Nerve Injury Repair, Affiliated Hospital of Nantong University, Nantong, 226001, China
| | - Junzhong Yao
- Department of Neurosurgery, Affiliated Hospital of Nantong University, Nantong, 226001, China.,Jiangsu Clinical Medicine Centre of Tissue Engineering and Nerve Injury Repair, Affiliated Hospital of Nantong University, Nantong, 226001, China
| | - Yazhou Liu
- Department of Neurosurgery, Affiliated Hospital of Nantong University, Nantong, 226001, China.,Jiangsu Clinical Medicine Centre of Tissue Engineering and Nerve Injury Repair, Affiliated Hospital of Nantong University, Nantong, 226001, China
| | - Pei Pei Gong
- Department of Neurosurgery, Affiliated Hospital of Nantong University, Nantong, 226001, China. .,Jiangsu Clinical Medicine Centre of Tissue Engineering and Nerve Injury Repair, Affiliated Hospital of Nantong University, Nantong, 226001, China.
| | - Wei Shi
- Department of Neurosurgery, Affiliated Hospital of Nantong University, Nantong, 226001, China. .,Jiangsu Clinical Medicine Centre of Tissue Engineering and Nerve Injury Repair, Affiliated Hospital of Nantong University, Nantong, 226001, China.
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