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Huang P, Du J, Cao L, Gao J, Li Q, Sun Y, Shao N, Zhang Y, Xu G. Effects of prometryn on oxidative stress, immune response and apoptosis in the hepatopancreas of Eriocheir sinensis (Crustacea: Decapoda). ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 262:115159. [PMID: 37356403 DOI: 10.1016/j.ecoenv.2023.115159] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/21/2023] [Revised: 06/13/2023] [Accepted: 06/17/2023] [Indexed: 06/27/2023]
Abstract
Prometryn, a triazine pesticide product used to control weed growth, poses a high risk to aquatic organisms in the environment. Several toxicological evaluations have been performed on bony fish and shrimp exposed to prometryn. However, there have been no reports conducted on the toxic mechanism of prometryn with regard to Eriocheir sinensis. In this study, our research evaluated the toxic effects of prometryn via in vitro and in vivo toxicity tests on E. sinensis. Firstly, we estimated the exposure toxicity of prometryn to E. sinensis, and then we constructed a 6 h transcriptional profile and conducted an enrichment analysis. To further reveal the toxicity of prometryn, the hepatopancreas (hepatopancreatic cells) was analyzed for antioxidant, immune and lipid-metabolism-related enzymes, antioxidant- and apoptosis-related gene expression, histopathology and TUNEL. From the results, we determined that the 96 h-LD50 was 70.059 mg/kg, and using RNA-seq, we identified 933 differentially expressed genes (DEGs), which were mainly enriched in the amino and fatty acid metabolism and the cell-fate-determination-related signaling pathway. The results of the biochemical assays showed that prometryn could significantly decrease the activities/levels of CAT, SOD, GSH, AKP and ACP, reduce the levels of T-AOC, TG, TCH, C3 and C4, and increase the MDA content. In addition, the expression levels of Nrf2, GSTs and HO-1 were first upregulated and then downregulated with increasing time. Histopathology showed that prometryn damaged the structure of the hepatopancreas cells and induced apoptosis, suggesting that the PI3K-Akt signaling pathway may be involved in the damage process of hepatopancreas cells (PI3K, PDK and Akt were downregulated whereas Bax was upregulated), leading to their apoptosis. The above results indicated that prometryn could cause injury of the hepatopancreas through oxidative stress, induce cell apoptosis, disrupt the lipid metabolism and cause immune damage. This study provided useful data for understanding and evaluating the toxicity of prometryn to aquatic crustacea.
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Affiliation(s)
- Peng Huang
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi 214081, China
| | - Jinliang Du
- Key Laboratory of Integrated Rice-Fish Farming Ecology, Ministry of Agriculture and Rural Affairs, Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi 214081, China
| | - Liping Cao
- Key Laboratory of Integrated Rice-Fish Farming Ecology, Ministry of Agriculture and Rural Affairs, Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi 214081, China
| | - Jiancao Gao
- Key Laboratory of Integrated Rice-Fish Farming Ecology, Ministry of Agriculture and Rural Affairs, Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi 214081, China
| | - Quanjie Li
- Key Laboratory of Integrated Rice-Fish Farming Ecology, Ministry of Agriculture and Rural Affairs, Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi 214081, China
| | - Yi Sun
- Key Laboratory of Integrated Rice-Fish Farming Ecology, Ministry of Agriculture and Rural Affairs, Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi 214081, China
| | - Nailin Shao
- Key Laboratory of Integrated Rice-Fish Farming Ecology, Ministry of Agriculture and Rural Affairs, Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi 214081, China
| | - Yuning Zhang
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi 214081, China
| | - Gangchun Xu
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi 214081, China; Key Laboratory of Integrated Rice-Fish Farming Ecology, Ministry of Agriculture and Rural Affairs, Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi 214081, China.
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Kim S, Oh D, Choi H, Kim M, Cai L, Jawad A, Haomiao Z, Lee J, Kim E, Hyun SH. The effect of C–C motif chemokine ligand 2 supplementation on in vitro maturation of porcine cumulus-oocyte complexes and subsequent developmental competence after parthenogenetic activation. Front Vet Sci 2023; 10:1136705. [PMID: 36992978 PMCID: PMC10040565 DOI: 10.3389/fvets.2023.1136705] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2023] [Accepted: 02/22/2023] [Indexed: 03/16/2023] Open
Abstract
Porcine embryos are used for a variety of applications. However, the maturation rate in vitro remains low, and novel in vitro maturation (IVM) techniques that facilitate the collection of mature oocytes are necessary. C-C motif chemokine ligand 2 (CCL2) is a key periovulatory chemokine present in cumulus-oocyte complexes (COCs). We aimed to examine the effects of CCL2 supplementation during IVM on oocyte maturation and embryonic development. The CCL2 concentration was significantly higher in porcine follicular fluid (pFF) derived from follicles >8 mm in size than in pFF derived from smaller follicles. There was a significant increase in CCL2 mRNA levels in all follicular cells after IVM compared with that before IVM. We analyzed the localization of CCL2 and its receptor, the CCL2 receptor, in follicular cells. During IVM, different concentrations of CCL2 were added to COCs cultured in a maturation medium. After IVM, the group treated with 100 ng/mL CCL2 showed significantly higher metaphase II rates than the control group. All CCL2-treatment groups showed a significant increase in intracellular glutathione levels and a significant decrease in reactive oxygen species levels, compared to the control. In CCs treated with 100 ng/mL CCL2, the mRNA levels of BAX, CASP3, and NPR2 were significantly decreased. Furthermore, the mRNA levels of SOD1, SOD2, and CD44 were significantly increased. In oocytes treated with 10 ng/mL CCL2, mRNA levels of BAX and CASP3 were significantly decreased, whereas, NRF2 and NPM2 were significantly increased. ERK1 exhibited significantly increased mRNA expression in both CCs and oocytes treated with 10 ng/mL CCL2. The protein expression ratio of phosphorylated ERK1/2 to total ERK1/2 was significantly increased in CCs treated with 10 ng/mL CCL2. After parthenogenetic activation, cleavage rates were significantly improved in the 100 ng/mL CCL2 treatment group, and blastocyst formation rates were significantly enhanced in the 10 ng/mL CCL2 treatment group. Overall, our results suggest that IVM medium along with CCL2 improves porcine oocyte maturation and the development of parthenogenetically-activated embryos.
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Affiliation(s)
- Sohee Kim
- Laboratory of Veterinary Embryology and Biotechnology, Veterinary Medical Center and College of Veterinary Medicine, Chungbuk National University, Cheongju, Republic of Korea
- Institute of Stem Cell and Regenerative Medicine, Chungbuk National University, Cheongju, Republic of Korea
| | - Dongjin Oh
- Laboratory of Veterinary Embryology and Biotechnology, Veterinary Medical Center and College of Veterinary Medicine, Chungbuk National University, Cheongju, Republic of Korea
- Institute of Stem Cell and Regenerative Medicine, Chungbuk National University, Cheongju, Republic of Korea
| | - Hyerin Choi
- Laboratory of Veterinary Embryology and Biotechnology, Veterinary Medical Center and College of Veterinary Medicine, Chungbuk National University, Cheongju, Republic of Korea
- Institute of Stem Cell and Regenerative Medicine, Chungbuk National University, Cheongju, Republic of Korea
| | - Mirae Kim
- Laboratory of Veterinary Embryology and Biotechnology, Veterinary Medical Center and College of Veterinary Medicine, Chungbuk National University, Cheongju, Republic of Korea
- Institute of Stem Cell and Regenerative Medicine, Chungbuk National University, Cheongju, Republic of Korea
| | - Lian Cai
- Laboratory of Veterinary Embryology and Biotechnology, Veterinary Medical Center and College of Veterinary Medicine, Chungbuk National University, Cheongju, Republic of Korea
- Institute of Stem Cell and Regenerative Medicine, Chungbuk National University, Cheongju, Republic of Korea
- Graduate School of Veterinary Biosecurity and Protection, Chungbuk National University, Cheongju, Republic of Korea
| | - Ali Jawad
- Laboratory of Veterinary Embryology and Biotechnology, Veterinary Medical Center and College of Veterinary Medicine, Chungbuk National University, Cheongju, Republic of Korea
- Institute of Stem Cell and Regenerative Medicine, Chungbuk National University, Cheongju, Republic of Korea
| | - Zheng Haomiao
- Laboratory of Veterinary Embryology and Biotechnology, Veterinary Medical Center and College of Veterinary Medicine, Chungbuk National University, Cheongju, Republic of Korea
- Institute of Stem Cell and Regenerative Medicine, Chungbuk National University, Cheongju, Republic of Korea
| | - Joohyeong Lee
- Laboratory of Veterinary Embryology and Biotechnology, Veterinary Medical Center and College of Veterinary Medicine, Chungbuk National University, Cheongju, Republic of Korea
- Institute of Stem Cell and Regenerative Medicine, Chungbuk National University, Cheongju, Republic of Korea
| | - Eunhye Kim
- Laboratory of Molecular Diagnostics and Cell Biology, College of Veterinary Medicine, Gyeongsang National University, Jinju, Republic of Korea
- *Correspondence: Eunhye Kim
| | - Sang-Hwan Hyun
- Laboratory of Veterinary Embryology and Biotechnology, Veterinary Medical Center and College of Veterinary Medicine, Chungbuk National University, Cheongju, Republic of Korea
- Institute of Stem Cell and Regenerative Medicine, Chungbuk National University, Cheongju, Republic of Korea
- Graduate School of Veterinary Biosecurity and Protection, Chungbuk National University, Cheongju, Republic of Korea
- Sang-Hwan Hyun
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Modulation of the CB1 cannabinoid receptor has potential therapeutic utility in the 3-acetylpyridine cerebellar ataxia rat model. Exp Brain Res 2022; 240:2339-2348. [PMID: 35859208 DOI: 10.1007/s00221-022-06415-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2022] [Accepted: 06/29/2022] [Indexed: 11/04/2022]
Abstract
Cerebellar ataxia is a neurodegenerative disorder leading to severe motor incoordination. Recently, it has been suggested that cannabinoids play a role in modulating ataxic symptoms. To understand the possible therapeutic effect of cannabinoids for the management of cerebellar ataxia, we used cannabinoid agonist/antagonists to target the cannabinoid type 1 receptor (CB1R) in the 3 acetyl pyridine (3AP) rat model of ataxia. The role of the CB1R was examined using three different doses of the CB1R agonist, WIN-55,212-2 (WIN; 0.1, 0.5, 1 mg/kg) administrated 30 min prior to 3AP (55 mg/kg, i.p.) which leads to motor impairment through destruction of the inferior olive. In some groups, the CB1R antagonist AM251 (1 mg/kg) was given in combination with WIN. Locomotor activity and motor coordination were impaired by 3AP, and the application of WIN did not ameliorate this effect. However, the abnormal gait, rearing and grooming caused by 3AP were prevented by co-administration of AM251 with WIN. While the addition of the CB1R antagonist improved some ataxic symptoms, there was no effect of AM251 on balance or locomotor activity when co-administrated with WIN. Behavioral testing indicated that not only did WIN fail to exert any protective effect on ataxic symptoms; it exacerbated ataxic symptoms, suggesting that CB1R agonists may not be the ideal therapeutic drug in this disorder. When taken together, the findings from the present study indicate that cannabinoid modulation of ataxia symptoms may not act solely through CB1Rs and other cannabinoid receptors should be considered in future studies.
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Yang X, Yu X, Sun N, Shi X, Niu C, Shi A, Cheng Y. Glyphosate-based herbicide causes spermatogenesis disorder and spermatozoa damage of the Chinese mitten crab (Eriocheir sinensis) by affecting testes characteristic enzymes, antioxidant capacities and inducing apoptosis. Toxicol Appl Pharmacol 2022; 447:116086. [PMID: 35643123 DOI: 10.1016/j.taap.2022.116086] [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: 01/26/2022] [Revised: 05/15/2022] [Accepted: 05/20/2022] [Indexed: 10/18/2022]
Abstract
Glyphosate-based herbicide (GBH) is a popular herbicide, which may contaminate the water environment and affect aquatic animals. In this study, testes morphology, physiology function, apoptosis pathway, and spermatozoa quality of Chinese mitten crab (Eriocheir sinensis) were evaluated after 7 days of GBH exposure (48.945 mg/l,1/2 of the 96 h LC50 value of GBH). Results showed that GBH induced spermatogenesis disorder by H.E. staining. The obvious vacuolar degenerations and fewer spermatids of the testes accompanied by decreased primary spermatocytes-type seminiferous tubules (PSc-STs) were observed. The extensive apoptosis of spermatids by TUNEL staining was visible. Meanwhile, testes'' characteristic enzyme activities associated with spermatogenesis, including lactate dehydrogenase (LDH) and acid phosphatase (ACP) were significantly decreased. Testes suffered oxidative damage as reflected by the significant decrease in superoxide dismutase (SOD) activities, the significant increase in malondialdehyde (MDA) contents, and heat shock proteins (HSP-70) mRNA expression. Further studies demonstrated that GBH induced apoptosis of testes through the mitochondrial apoptotic pathway by upregulating the relative mRNA expression of cysteinyl aspartate specific proteinase 3 (Caspase-3), Bcl-2-associated X protein (Bax), and downregulating B-cell lymphoma 2 (Bcl-2). Oxidative damage may be one of the causes of GBH-induced apoptosis in testes. After GBH exposure, the morphology of spermatophores was changed. The survival and the acrosome reaction (AR) ratio of spermatozoa was significantly decreased. Altogether, these results demonstrated that GBH affects spermatogenesis, spermatophore and spermatozoa quality of E.sinensis, which provides novel knowledge about the toxic effects of GBH on the reproductive system of crustaceans.
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Affiliation(s)
- Xiaozhen Yang
- National Demonstration Center for Experimental Fisheries Science Education; Key Laboratory of Freshwater Aquatic Genetic Resources, Ministry of Agriculture; Engineering Research Center of Aquaculture, Shanghai Ocean University, Shanghai, China.
| | - Xiaowen Yu
- National Demonstration Center for Experimental Fisheries Science Education; Key Laboratory of Freshwater Aquatic Genetic Resources, Ministry of Agriculture; Engineering Research Center of Aquaculture, Shanghai Ocean University, Shanghai, China
| | - Ningbo Sun
- National Demonstration Center for Experimental Fisheries Science Education; Key Laboratory of Freshwater Aquatic Genetic Resources, Ministry of Agriculture; Engineering Research Center of Aquaculture, Shanghai Ocean University, Shanghai, China
| | - Xingliang Shi
- National Demonstration Center for Experimental Fisheries Science Education; Key Laboratory of Freshwater Aquatic Genetic Resources, Ministry of Agriculture; Engineering Research Center of Aquaculture, Shanghai Ocean University, Shanghai, China
| | - Chao Niu
- National Demonstration Center for Experimental Fisheries Science Education; Key Laboratory of Freshwater Aquatic Genetic Resources, Ministry of Agriculture; Engineering Research Center of Aquaculture, Shanghai Ocean University, Shanghai, China
| | - Aoya Shi
- National Demonstration Center for Experimental Fisheries Science Education; Key Laboratory of Freshwater Aquatic Genetic Resources, Ministry of Agriculture; Engineering Research Center of Aquaculture, Shanghai Ocean University, Shanghai, China
| | - Yongxu Cheng
- National Demonstration Center for Experimental Fisheries Science Education; Key Laboratory of Freshwater Aquatic Genetic Resources, Ministry of Agriculture; Engineering Research Center of Aquaculture, Shanghai Ocean University, Shanghai, China.
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Du J, Zhao Y, Hu D, Li H, Gao L, Liu Z, Shi K. Silencing of integrin subunit α3 inhibits the proliferation, invasion, migration and autophagy of esophageal squamous cell carcinoma cells. Oncol Lett 2022; 24:271. [PMID: 35782901 PMCID: PMC9247671 DOI: 10.3892/ol.2022.13391] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Accepted: 05/27/2022] [Indexed: 12/09/2022] Open
Abstract
Esophageal squamous cell carcinoma (ESCC) is a deadly disease that seriously affects global public health. The aim of the present study was to explore the role of integrin subunit α3 (ITGA3) in ESCC and investigate its detailed molecular mechanisms. Using reverse transcription–quantitative PCR (RT-qPCR) and western blotting, the mRNA and protein expression of ITGA3 in cell lines was detected. In addition, a series of cellular biological experiments, including Cell Counting Kit-8, wound-healing, Transwell and TUNEL assays, were used to evaluate proliferation, migration, invasion and apoptosis, respectively. Furthermore, western blotting was used to measure the expression of corresponding proteins. ITGA3 was found to be upregulated in ESCC cell lines (ECA109 and TE1). It was also found that ITGA3 silencing inhibited the proliferation, migration, invasion and autophagy of ECA109 and TE1 cells but promoted their apoptosis. In addition, ITGA3 silencing was found to inhibit the FAK/PI3K/AKT signaling pathway. In conclusion, ITGA3 knockdown suppressed cell proliferation, invasion, migration and autophagy in ECA109 and TE1 cells, suggesting that ITGA3 may be a potential therapeutic target for the treatment of ESCC.
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Affiliation(s)
- Jin Du
- Department of Cardiothoracic Surgery, Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, Jiangsu 210028, P.R. China
| | - Yang Zhao
- Department of Cardiothoracic Surgery, Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, Jiangsu 210028, P.R. China
| | - Dinghui Hu
- Department of Cardiothoracic Surgery, Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, Jiangsu 210028, P.R. China
| | - Hang Li
- Department of Cardiothoracic Surgery, Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, Jiangsu 210028, P.R. China
| | - Lei Gao
- Department of Cardiothoracic Surgery, Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, Jiangsu 210028, P.R. China
| | - Zuntao Liu
- Department of Cardiothoracic Surgery, Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, Jiangsu 210028, P.R. China
| | - Kaihu Shi
- Department of Cardiothoracic Surgery, Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, Jiangsu 210028, P.R. China
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Liu J, Kong D, Ai D, Xu A, Yu W, Peng Z, Peng J, Wang Z, Wang Z, Liu R, Li W, Hai C, Zhang X, Wang X. Insulin resistance enhances binge ethanol-induced liver injury through promoting oxidative stress and up-regulation CYP2E1. Life Sci 2022; 303:120681. [PMID: 35662646 DOI: 10.1016/j.lfs.2022.120681] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2022] [Revised: 05/31/2022] [Accepted: 05/31/2022] [Indexed: 12/01/2022]
Abstract
Alcoholic liver disease (ALD) has caused a serious burden on public and personal health in crowd with ethanol abuse. The effects of insulin resistance (IR) on ALD and the mechanisms underlying these responses are still not well understood. In this study, we investigated the changes of liver injury, inflammation, apoptosis, mitochondrial dysfunction and CYP2E1 changes in liver of mice exposed to ethanol with IR or not. We found IR increased the sensitivity of liver injury in mice exposed to ethanol, manifested as the increase serum activities of AST and ALT, the accumulation of triglycerides, the deterioration of liver pathology and increase of inflammatory factors. IR also exacerbated apoptosis and mitochondrial dysfunction in liver of mice exposed to ethanol. The increase of oxidative stress and the decrease of antioxidant defense ability might be responsible for the sensitizing effects of IR on ethanol-induced liver injury, supported by the increase of MDA levels and the decline of GSH/GSSG, the inactivation of antioxidant enzymes SOD, GR through the inhibition of Nrf-2 pathway. The activation of CYP2E1 might be also involved in the sensitizing effects of IR on ethanol induced liver injury in mice. These results demonstrated that IR exhibited a significant pro-oxidative and pro-apoptosis effects to aggravate alcoholic liver injury. Our study helped us to better understand the sensitive role of IR on ALD and suggested that alcohol intake may be more harmful for people with IR.
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Affiliation(s)
- Jiangzheng Liu
- Department of Toxicology, the Ministry of Education Key Lab of Hazard Assessment and Control in Special Operational Environment, Shaanxi Provincial Key Lab of Free Radical Biology and Medicine, School of Public Health, The Fourth Military Medical University, Xi'an, 710032, PR China.
| | - Deqin Kong
- Department of Toxicology, the Ministry of Education Key Lab of Hazard Assessment and Control in Special Operational Environment, Shaanxi Provincial Key Lab of Free Radical Biology and Medicine, School of Public Health, The Fourth Military Medical University, Xi'an, 710032, PR China
| | - Duo Ai
- Department of Toxicology, the Ministry of Education Key Lab of Hazard Assessment and Control in Special Operational Environment, Shaanxi Provincial Key Lab of Free Radical Biology and Medicine, School of Public Health, The Fourth Military Medical University, Xi'an, 710032, PR China; Second Brigade of Basic Medical College Students, The Fourth Military Medical University, Xi'an 710032, PR China
| | - Anqi Xu
- Department of Toxicology, the Ministry of Education Key Lab of Hazard Assessment and Control in Special Operational Environment, Shaanxi Provincial Key Lab of Free Radical Biology and Medicine, School of Public Health, The Fourth Military Medical University, Xi'an, 710032, PR China; Second Brigade of Basic Medical College Students, The Fourth Military Medical University, Xi'an 710032, PR China
| | - Weihua Yu
- Department of Toxicology, the Ministry of Education Key Lab of Hazard Assessment and Control in Special Operational Environment, Shaanxi Provincial Key Lab of Free Radical Biology and Medicine, School of Public Health, The Fourth Military Medical University, Xi'an, 710032, PR China
| | - Zhengwu Peng
- Department of Toxicology, the Ministry of Education Key Lab of Hazard Assessment and Control in Special Operational Environment, Shaanxi Provincial Key Lab of Free Radical Biology and Medicine, School of Public Health, The Fourth Military Medical University, Xi'an, 710032, PR China; Department of Psychiatry, Xijing Hospital, The Fourth Military Medical University, Xi'an 710032, PR China
| | - Jie Peng
- Department of Toxicology, the Ministry of Education Key Lab of Hazard Assessment and Control in Special Operational Environment, Shaanxi Provincial Key Lab of Free Radical Biology and Medicine, School of Public Health, The Fourth Military Medical University, Xi'an, 710032, PR China
| | - Zhao Wang
- Department of Toxicology, the Ministry of Education Key Lab of Hazard Assessment and Control in Special Operational Environment, Shaanxi Provincial Key Lab of Free Radical Biology and Medicine, School of Public Health, The Fourth Military Medical University, Xi'an, 710032, PR China
| | - Zhao Wang
- Department of Toxicology, the Ministry of Education Key Lab of Hazard Assessment and Control in Special Operational Environment, Shaanxi Provincial Key Lab of Free Radical Biology and Medicine, School of Public Health, The Fourth Military Medical University, Xi'an, 710032, PR China
| | - Rui Liu
- Department of Toxicology, the Ministry of Education Key Lab of Hazard Assessment and Control in Special Operational Environment, Shaanxi Provincial Key Lab of Free Radical Biology and Medicine, School of Public Health, The Fourth Military Medical University, Xi'an, 710032, PR China
| | - Wenli Li
- Department of Toxicology, the Ministry of Education Key Lab of Hazard Assessment and Control in Special Operational Environment, Shaanxi Provincial Key Lab of Free Radical Biology and Medicine, School of Public Health, The Fourth Military Medical University, Xi'an, 710032, PR China
| | - Chunxu Hai
- Department of Toxicology, the Ministry of Education Key Lab of Hazard Assessment and Control in Special Operational Environment, Shaanxi Provincial Key Lab of Free Radical Biology and Medicine, School of Public Health, The Fourth Military Medical University, Xi'an, 710032, PR China
| | - Xiaodi Zhang
- Department of Toxicology, the Ministry of Education Key Lab of Hazard Assessment and Control in Special Operational Environment, Shaanxi Provincial Key Lab of Free Radical Biology and Medicine, School of Public Health, The Fourth Military Medical University, Xi'an, 710032, PR China.
| | - Xin Wang
- Department of Toxicology, the Ministry of Education Key Lab of Hazard Assessment and Control in Special Operational Environment, Shaanxi Provincial Key Lab of Free Radical Biology and Medicine, School of Public Health, The Fourth Military Medical University, Xi'an, 710032, PR China.
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Protective Effect of Brassica rapa Polysaccharide against Acute High-Altitude Hypoxia-Induced Brain Injury and Its Metabolomics. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022. [DOI: 10.1155/2022/3063899] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Brassica rapa L., a traditional Tibetan medicine, has been wildly used for treating plateau disease. Polysaccharide is an important chemical component in B. rapa. The present study aimed to evaluate the effect of B. rapa polysaccharide (BRP) against acute high-altitude hypoxia (AHH) induced brain injury and its metabolic mechanism. The rats were randomly divided into six groups: control group, AHH group, Hongjingtian oral liquid group, and three BRP groups (38, 75, and 150 mg/kg/d). Serum levels of superoxide dismutase (SOD), malondialdehyde (MDA), glutathione (GSH), oxidized glutathione (GSSG), and lactate dehydrogenase (LDH) were detected by commercial biochemical kits. Hippocampus and cortex histopathological changes were observed by H&E staining and Nissl staining. Neuronal apoptosis was observed by TUNEL staining. The protein and gene expression of Caspase-3, Bax, Bcl-2, p-PI3K, PI3K, p-Akt, Akt, HIF-1α, microRNA 210, ISCU1/2, and COX10 were detected by western blotting and qRT-PCR. Then, a brain metabolomics method based on UPLC-Q-Exactive-MS was performed to discover potential biomarkers and analyze metabolic pathways. It was found that BRP decreased levels of MDA, LDH, and GSSG, increased GSH and SOD, reduced the pathological changes, inhibited apoptosis, and activated the PI3K/Akt/HIF-1α signaling pathway as evidenced by increased phosphorylation of PI3K and Akt, enhanced protein expression of HIF-1α and gene levels of microRNA210, ISCU1/2, and COX10. Furthermore, 15 endogenous potential biomarkers were identified in the brain through metabolomics analysis. BRP can regulate 7 potential biomarkers and the corresponding metabolic pathways were mainly associated with pyruvate metabolism and glycolysis/gluconeogenesis. Collectively, BRP has a clear protective effect on AHH-induced brain injury and its mechanisms may be related to ameliorate oxidative stress injury, inhibit apoptosis by activating PI3K/Akt/HIF-1α signaling pathway, and reverse metabolic pathway disturbances.
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Effects of circadian rhythm disorder on the hippocampus of SHR and WKY rats. Neurobiol Learn Mem 2019; 168:107141. [PMID: 31857218 DOI: 10.1016/j.nlm.2019.107141] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2019] [Revised: 12/13/2019] [Accepted: 12/13/2019] [Indexed: 01/25/2023]
Abstract
The present study investigated the effects of circadian rhythm disorder (CRD) on the hippocampus of SHR and WKY rats. Male SHR rats (n = 27) and WKY rats (n = 27) were randomly divided into six groups: SHR and WKY normal (N)CR, SHR and WKY CRD 16/8 (CRD16/8), and SHR and WKY CRD 12/12 (CRD12/12). Activity patterns were adjusted using different photoperiods over 90 days and any changes were recorded. Rats were tested in the Morris water maze and in a novel object recognition experiment; serologic analysis, magnetic resonance imaging (diffusion tensor imaging + arterial spin labeling), hippocampal Nissl staining, Fluoro-Jade B staining, and immunohistochemistry were also performed. The results showed that both types of inverted photoperiod reduced CR amplitude and prolonged the circadian period. CRD and hypertension reduced memory performance and novel object recognition and preference. The decreases in memory and preference indices were greater in rats in the CRD12/12 group compared to the CRD16/8 group. CRD and hypertension decreased fractional anisotropy values, the number of neurons and astrocytes in the hippocampus, and the expression of brain-derived neurotrophic factor and synapsin 1; it also enhanced the degeneration of neurons and microglia and reduced blood flow in the hippocampus, and increased nuclear factor κB, caspase, neuron-specific enolase, and interleukin-6 levels. These findings reveal a biological basis for the link between CRD and cognitive decline, which has implications for CRD caused by shift work and other factors.
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Lu LP, Suo FZ, Feng YL, Song LL, Li Y, Li YJ, Wang KT. Synthesis and biological evaluation of vanadium complexes as novel anti-tumor agents. Eur J Med Chem 2019; 176:1-10. [PMID: 31082759 DOI: 10.1016/j.ejmech.2019.04.073] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2018] [Revised: 04/17/2019] [Accepted: 04/29/2019] [Indexed: 02/06/2023]
Abstract
A class of vanadium complexes were prepared and investigated for their antiproliferative effects by MTT assay. The structure-activity relationship was extensively studied through the ligand variation. The results showed that the synthetic vanadium complexes demonstrated moderate to good antiproliferative activities against the four cancer cell lines including MGC803, EC109, MCF7 and HepG2, respectively. Of note was that most of the complexes showed preferential growth inhibitory activity to some degree toward gastric cancer line MGC803. Among them, complex 19 exhibited the most and broad-spectrum proliferative inhibition against the tested cell lines. In addition, mechanism studies illustrated that complex 19 could prevent the colony formation, migration and EMT process, as well as induce apoptosis of MGC803 cells. Furthermore, Western blot experiments revealed that the expression of apoptosis-related proteins changed, including up-regulation of Bax, PARP and caspase-3/9, as well as down-regulation of Bcl-2.
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Affiliation(s)
- Ling-Pan Lu
- School of Pharmaceutical Sciences, Zhengzhou University of Industrial Technology, Zhengzhou, 451199, PR China
| | - Feng-Zhi Suo
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, 450001, PR China
| | - Ya-Li Feng
- School of Pharmaceutical Sciences, Zhengzhou University of Industrial Technology, Zhengzhou, 451199, PR China
| | - Li-Li Song
- School of Pharmaceutical Sciences, Zhengzhou University of Industrial Technology, Zhengzhou, 451199, PR China
| | - Ying Li
- Department of Pharmacy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450001, PR China
| | - Yang-Jie Li
- School of Pharmaceutical Sciences, Zhengzhou University of Industrial Technology, Zhengzhou, 451199, PR China
| | - Kai-Ti Wang
- School of Materials Science and Engineering, Chongqing University of Technology, Chongqing, 400054, PR China.
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10
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Mañas A, Davis A, Lamerand S, Xiang J. Detection of pro-apoptotic Bax∆2 proteins in the human cerebellum. Histochem Cell Biol 2018; 150:77-82. [PMID: 29663074 DOI: 10.1007/s00418-018-1669-6] [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] [Accepted: 04/10/2018] [Indexed: 12/17/2022]
Abstract
Bax∆2 is a pro-apoptotic protein originally discovered in colon cancer patients with high microsatellite instability. Unlike most pro-apoptotic Bax family members, Bax∆2 mediates cell death through a non-mitochondrial caspase 8-dependent pathway. In the scope of analyzing the distribution of Bax∆2 expression in human tissues, we examined a panel of human brain samples. Here, we report four cerebellar cases in which the subjects had no neurological disorder or disease documented. We found Bax∆2 positive cells scattered in all areas of the cerebellum, but most strikingly concentrated in Purkinje cell bodies and dendrites. Two out the four subjects tested had strong Bax∆2-positive staining in nearly all Purkinje cells; one was mainly negative; and one had various levels of positive staining within the same sample. Further genetic analysis of the Purkinje cell layer, collected by microdissection from two subjects, showed that the samples contained G7 and G9 Bax microsatellite mutations. Both subjects were young and had no diseases reported at the time of death. As the distribution of Bax∆2 is consistent with that known for Baxα, but in a less ubiquitous manner, these results may imply a potential function of Bax∆2 in Purkinje cells.
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Affiliation(s)
- Adriana Mañas
- Department of Biology, Illinois Institute of Technology, 3101 South Dearborn Street, Chicago, IL, 60616, USA
| | - Aislinn Davis
- Department of Biology, Illinois Institute of Technology, 3101 South Dearborn Street, Chicago, IL, 60616, USA
| | - Sydney Lamerand
- Department of Biology, Illinois Institute of Technology, 3101 South Dearborn Street, Chicago, IL, 60616, USA
| | - Jialing Xiang
- Department of Biology, Illinois Institute of Technology, 3101 South Dearborn Street, Chicago, IL, 60616, USA.
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11
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Nyeste A, Bencsura P, Vida I, Hegyi Z, Homolya L, Fodor E, Welker E. Expression of the Prion Protein Family Member Shadoo Causes Drug Hypersensitivity That Is Diminished by the Coexpression of the Wild Type Prion Protein. J Biol Chem 2016; 291:4473-86. [PMID: 26721882 DOI: 10.1074/jbc.m115.679035] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2015] [Indexed: 11/06/2022] Open
Abstract
The prion protein (PrP) seems to exert both neuroprotective and neurotoxic activities. The toxic activities are associated with the C-terminal globular parts in the absence of the flexible N terminus, specifically the hydrophobic domain (HD) or the central region (CR). The wild type prion protein (PrP-WT), having an intact flexible part, exhibits neuroprotective qualities by virtue of diminishing many of the cytotoxic effects of these mutant prion proteins (PrPΔHD and PrPΔCR) when coexpressed. The prion protein family member Doppel, which possesses a three-dimensional fold similar to the C-terminal part of PrP, is also harmful to neuronal and other cells in various models, a phenotype that can also be eliminated by the coexpression of PrP-WT. In contrast, another prion protein family member, Shadoo (Sho), a natively disordered protein possessing structural features similar to the flexible N-terminal tail of PrP, exhibits PrP-WT-like protective properties. Here, we report that, contrary to expectations, Sho expression in SH-SY5Y or HEK293 cells induces the same toxic phenotype of drug hypersensitivity as PrPΔCR. This effect is exhibited in a dose-dependent manner and is also counteracted by the coexpression of PrP-WT. The opposing effects of Shadoo in different model systems revealed here may be explored to help discern the relationship of the various toxic activities of mutant PrPs with each other and the neurotoxic effects seen in neurodegenerative diseases, such as transmissible spongiform encephalopathy and Alzheimer disease.
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Affiliation(s)
- Antal Nyeste
- From the Institute of Biochemistry, Biological Research Center, Hungarian Academy of Sciences, H-6726 Szeged, Hungary
| | - Petra Bencsura
- the Research Centre for Natural Sciences, Hungarian Academy of Sciences, H-1117 Budapest, Hungary, and
| | - István Vida
- the Research Centre for Natural Sciences, Hungarian Academy of Sciences, H-1117 Budapest, Hungary, and the Institute of Chemistry, Eötvös Loránd University, H-1117 Budapest, Hungary
| | - Zoltán Hegyi
- the Research Centre for Natural Sciences, Hungarian Academy of Sciences, H-1117 Budapest, Hungary, and
| | - László Homolya
- the Research Centre for Natural Sciences, Hungarian Academy of Sciences, H-1117 Budapest, Hungary, and
| | - Elfrieda Fodor
- From the Institute of Biochemistry, Biological Research Center, Hungarian Academy of Sciences, H-6726 Szeged, Hungary
| | - Ervin Welker
- From the Institute of Biochemistry, Biological Research Center, Hungarian Academy of Sciences, H-6726 Szeged, Hungary, the Research Centre for Natural Sciences, Hungarian Academy of Sciences, H-1117 Budapest, Hungary, and
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12
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Zeng L, Zou W, Wang G. Cellular prion protein (PrP(C)) and its role in stress responses. Int J Clin Exp Med 2015; 8:8042-50. [PMID: 26221369 PMCID: PMC4509314] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2014] [Accepted: 05/05/2015] [Indexed: 05/18/2024]
Abstract
Investigation of the physiological function of cellular prion protein (PrP(C)) has been developed by the generation of transgenic mice, however, the pathological mechanisms related to PrP(C) in prion diseases such as transmissible spongiform encephalopathies (TSEs) are still abstruse. Regardless of some differences, most studies describe the neuroprotective role of PrP(C) in environmental stresses. In this review, we will update the current knowledge on the responses of PrP(C) to various stresses, especially those correlated with cell signaling and neural degeneration, including ischemia, oxidative stress, inflammation and autophagy.
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Affiliation(s)
- Liang Zeng
- Department of Cardiothoracic Surgery, First Affiliated Hospital, Nanchang UniversityNanchang 330006, Jiangxi Province, China
| | - Wenquan Zou
- Department of Neurology, National Prion Disease Pathology Surveillance Center, National Center for Regenerative Medicine, Case Western Reserve University2085 Adelbert Road, Cleveland, Ohio 44106, USA
- Department of Urology Surgery, First Affiliated Hospital, Nanchang UniversityNanchang 330006, Jiangxi Province, China
| | - Gongxian Wang
- Department of Urology Surgery, First Affiliated Hospital, Nanchang UniversityNanchang 330006, Jiangxi Province, China
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13
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Didonna A, Venturini AC, Hartman K, Vranac T, Čurin Šerbec V, Legname G. Characterization of four new monoclonal antibodies against the distal N-terminal region of PrP(c). PeerJ 2015; 3:e811. [PMID: 25802800 PMCID: PMC4369333 DOI: 10.7717/peerj.811] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2014] [Accepted: 02/11/2015] [Indexed: 12/15/2022] Open
Abstract
Prion diseases are a group of fatal neurodegenerative disorders that affect humans and animals. They are characterized by the accumulation in the central nervous system of a pathological form of the host-encoded prion protein (PrPC). The prion protein is a membrane glycoprotein that consists of two domains: a globular, structured C-terminus and an unstructured N-terminus. The N-terminal part of the protein is involved in different functions in both health and disease. In the present work we discuss the production and biochemical characterization of a panel of four monoclonal antibodies (mAbs) against the distal N-terminus of PrPC using a well-established methodology based on the immunization of Prnp0/0 mice. Additionally, we show their ability to block prion (PrPSc) replication at nanomolar concentrations in a cell culture model of prion infection. These mAbs represent a promising tool for prion diagnostics and for studying the physiological role of the N-terminal domain of PrPC.
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Affiliation(s)
- Alessandro Didonna
- Department of Neuroscience, Scuola Internazionale Superiore di Studi Avanzati (SISSA), Trieste, Italy
| | - Anja Colja Venturini
- Department for Production of Diagnostic Reagents and Research, Blood Transfusion Centre of Slovenia, Ljubljana, Slovenia
| | - Katrina Hartman
- Department for Production of Diagnostic Reagents and Research, Blood Transfusion Centre of Slovenia, Ljubljana, Slovenia
| | - Tanja Vranac
- Department for Production of Diagnostic Reagents and Research, Blood Transfusion Centre of Slovenia, Ljubljana, Slovenia
| | - Vladka Čurin Šerbec
- Department for Production of Diagnostic Reagents and Research, Blood Transfusion Centre of Slovenia, Ljubljana, Slovenia
| | - Giuseppe Legname
- Department of Neuroscience, Scuola Internazionale Superiore di Studi Avanzati (SISSA), Trieste, Italy.,ELETTRA-Sincrotrone Trieste S.C.p.A, Trieste, Italy
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Infection of Prions and Treatment of PrP106–126 Alter the Endogenous Status of Protein 14-3-3 and Trigger the Mitochondrial Apoptosis Possibly via Activating Bax Pathway. Mol Neurobiol 2013; 49:840-51. [DOI: 10.1007/s12035-013-8560-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2013] [Accepted: 09/22/2013] [Indexed: 10/26/2022]
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15
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Didonna A. Prion protein and its role in signal transduction. Cell Mol Biol Lett 2013; 18:209-30. [PMID: 23479001 PMCID: PMC6275729 DOI: 10.2478/s11658-013-0085-0] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2012] [Accepted: 02/18/2013] [Indexed: 11/20/2022] Open
Abstract
Prion diseases are a class of fatal neurodegenerative disorders that can be sporadic, genetic or iatrogenic. They are characterized by the unique nature of their etiologic agent: prions (PrP(Sc)). A prion is an infectious protein with the ability to convert the host-encoded cellular prion protein (PrP(C)) into new prion molecules by acting as a template. Since Stanley B. Prusiner proposed the "protein-only" hypothesis for the first time, considerable effort has been put into defining the role played by PrP(C) in neurons. However, its physiological function remains unclear. This review summarizes the major findings that support the involvement of PrP(C) in signal transduction.
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Affiliation(s)
- Alessandro Didonna
- Davee Department of Neurology, Feinberg School of Medicine Northwestern University, Chicago, IL 60611, USA.
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