Long term exposure of PB-MP has no effect on the metabolism of mice
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA1091649 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR28453300_1.fastq.gz | Fastqsanger.gz | |||
| SRR28453300_2.fastq.gz | Fastqsanger.gz | |||
| SRR28453301_1.fastq.gz | Fastqsanger.gz | |||
| SRR28453301_2.fastq.gz | Fastqsanger.gz | |||
| SRR28453302_1.fastq.gz | Fastqsanger.gz |
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Project description:Microplastics are defined as plastics ranging in size from 0.1μm to 5mm. Currently, research is being conducted across various fields to examine the effects of microplastics. Some studies demonstrated negative impacts on cells and mice. However, there is a lack of research on the effects by long-term exposure to microplastics. Most of the papers evaluated cytotoxicity with period of less than 2 months. Therefore, in this study, we investigated the potential issues that may arise from prolonged exposure through food mixed with Polypropylene black microplastic (PB-MP) for over a year. We divided our study into short, mid, and long-term periods to assess cytotoxicity through Glucose tolerance test, Insulin tolerance test, analysis of insulin and c-peptide levels, hanging, grip, treadmill, Y-maze and open field tests, Respiratory Exchange Ratio, Energy Expenditure, Activity, and body composition. Through this, we comprehensively examined potential issues related to mouse behavior, muscle, metabolism and other factors. After dissection, RNA sequencing was carried out to investigate the effects on genes. For further verification, RT-qPCR was conducted. To summarize, our study provides evidence suggesting that treatment of microplastics for a short term has adverse effects, but with prolonged exposure, their effects tend to diminish.
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Project description:Microplastics are defined as plastics ranging in size from 0.1μm to 5mm. Currently, research is being conducted across various fields to examine the effects of microplastics. Some studies demonstrated negative impacts on cells and mice. However, there is a lack of research on the effects by long-term exposure to microplastics. Most of the papers evaluated cytotoxicity with period of less than 2 months. Therefore, in this study, we investigated the potential issues that may arise from prolonged exposure through food mixed with Polypropylene microplastic (PP-MP) for over a year. We divided our study into short, mid, and long-term periods to assess cytotoxicity through Glucose tolerance test, Insulin tolerance test, analysis of insulin and c-peptide levels, hanging, grip, treadmill, Y-maze and open field tests, Respiratory Exchange Ratio, Energy Expenditure, Activity, and body composition. Through this, we comprehensively examined potential issues related to mouse behavior, muscle, metabolism and other factors. After dissection, RNA sequencing was carried out to investigate the effects on genes. For further verification, RT-qPCR was conducted. To summarize, our study provides evidence suggesting that treatment of microplastics for a short term has adverse effects, but with prolonged exposure, their effects tend to diminish.
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Project description:Microplastics are defined as plastics ranging in size from 0.1μm to 5mm. Currently, research is being conducted across various fields to examine the effects of microplastics. Some studies demonstrated negative impacts on cells and mice. However, there is a lack of research on the effects by long-term exposure to microplastics. Most of the papers evaluated cytotoxicity with period of less than 2 months. Therefore, in this study, we investigated the potential issues that may arise from prolonged exposure through food mixed with Polyethylene microplastic (PE-MP) for over a year. We divided our study into short, mid, and long-term periods to assess cytotoxicity through Glucose tolerance test, Insulin tolerance test, analysis of insulin and c-peptide levels, hanging, grip, treadmill, Y-maze and open field tests, Respiratory Exchange Ratio, Energy Expenditure, Activity, and body composition. Through this, we comprehensively examined potential issues related to mouse behavior, muscle, metabolism and other factors. After dissection, RNA sequencing was carried out to investigate the effects on genes. For further verification, RT-qPCR was conducted. To summarize, our study provides evidence suggesting that treatment of microplastics for a short term has adverse effects, but with prolonged exposure, their effects tend to diminish.
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