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Qi X, Liu Q, Wei Z, Hou X, Jiang Y, Sun Y, Xu S, Yang L, He J, Liu K. Chronic exposure to BDE-47 aggravates acute pancreatitis and chronic pancreatitis by promoting acinar cell apoptosis and inflammation. Toxicol Sci 2024; 199:120-131. [PMID: 38407484 DOI: 10.1093/toxsci/kfae024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/27/2024] Open
Abstract
The effect of 2,2',4,4'-tetrabromodiphenyl ether (BDE-47), a persistent environmental pollutant commonly used as a flame retardant in various consumer products, on pancreatitis has not been clearly elucidated, although it has been reported to be toxic to the liver, nervous system, and reproductive system. Acute pancreatitis (AP) and chronic pancreatitis (CP) models were induced in this study by intraperitoneal injection of caerulein. The aim was to investigate the impact of BDE-47 on pancreatitis by exposing the animals to acute (1 week) or chronic (8 weeks) doses of BDE-47 (30 mg/kg in the low-concentration group and 100 mg/kg in the high-concentration group). Additionally, BDE-47 was utilized to stimulate mouse bone marrow-derived macrophages, pancreatic primary stellate cells, and acinar cells in order to investigate the impact of BDE-47 on pancreatitis. In vivo experiments conducted on mice revealed that chronic exposure to BDE-47, rather than acute exposure, exacerbated the histopathological damage of AP and CP, leading to elevated fibrosis in pancreatic tissue and increased infiltration of inflammatory cells in the pancreas. In vitro experiments showed that BDE-47 can promote the expression of the inflammatory cytokines Tnf-α and Il-6 in M1 macrophages, as well as promote acinar cell apoptosis through the activation of the PERK and JNK pathways via endoplasmic reticulum stress. The findings of this study imply chronic exposure to BDE-47 may exacerbate the progression of both AP and CP by inducing acinar cell apoptosis and dysregulating inflammatory responses.
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Affiliation(s)
- Xiaoyan Qi
- Department of General Surgery, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China
| | - Qiong Liu
- Department of Stomatology, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China
| | - Zuxing Wei
- Department of General Surgery, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China
| | - Xuyang Hou
- Department of General Surgery, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China
| | - Yuhong Jiang
- Department of General Surgery, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China
| | - Yin Sun
- Institute of Pharmaceutical Pharmacology, University of South China, Hengyang, Hunan 421200, China
| | - Shu Xu
- Department of General Surgery, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China
| | - Leping Yang
- Department of General Surgery, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China
| | - Jun He
- Department of General Surgery, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China
| | - Kuijie Liu
- Department of General Surgery, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China
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Zhu S, Liu J, Wang Q, Yang Y, Du L, Qiu X, Qi R, Wang J. Resolvin D1 alleviates apoptosis triggered by endoplasmic reticulum stress in IPEC-J2 cells. BMC Vet Res 2024; 20:125. [PMID: 38561794 PMCID: PMC10983747 DOI: 10.1186/s12917-023-03820-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Accepted: 11/22/2023] [Indexed: 04/04/2024] Open
Abstract
BACKGROUND Resolvin D1 (RvD1), a specialized pro-resolving lipid mediator (SPM), is derived from docosahexaenoic acid (DHA). It plays a key role in actively resolving inflammatory responses, which further reduces small intestinal damage. However, its regulation of the apoptosis triggered by endoplasmic reticulum (ER) stress in intestinal epithelial cells is still poorly understood. The intestinal porcine epithelial cells (IPEC-J2) were stimulated with tunicamycin to screen an optimal stimulation time and concentration to establish an ER stress model. Meanwhile, RvD1 (0, 1, 10, 20, and 50 nM) cytotoxicity and its impact on cell viability and the effective concentration for reducing ER stress and apoptosis were determined. Finally, the effects of RvD1 on ER stress and associated apoptosis were furtherly explored by flow cytometry analysis, AO/EB staining, RT-qPCR, and western blotting. RESULTS The ER stress model of IPEC-J2 cells was successfully built by stimulating the cells with 1 µg/mL tunicamycin for 9 h. Certainly, the increased apoptosis and cell viability inhibition also appeared under the ER stress condition. RvD1 had no cytotoxicity, and its concentration of 1 nM significantly decreased cell viability inhibition (p= 0.0154) and the total apoptosis rate of the cells from 14.13 to 10.00% (p= 0.0000). RvD1 at the concentration of 1 nM also significantly reduced the expression of glucose-regulated protein 78 (GRP-78, an ER stress marker gene) (p= 0.0000) and pro-apoptotic gene Caspase-3 (p= 0.0368) and promoted the expression of B cell lymphoma 2 (Bcl-2, an anti-apoptotic gene)(p= 0.0008). CONCLUSIONS Collectively, the results shed light on the potential of RvD1 for alleviating apoptosis triggered by ER stress, which may indicate an essential role of RvD1 in maintaining intestinal health and homeostasis.
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Affiliation(s)
- Siyuan Zhu
- Chongqing Academy of Animal Sciences, Chongqing, 402460, P. R. China
- School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang, 621010, P. R. China
| | - Jingbo Liu
- School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang, 621010, P. R. China
| | - Qi Wang
- Chongqing Academy of Animal Sciences, Chongqing, 402460, P. R. China
| | - Yong Yang
- Chongqing Academy of Animal Sciences, Chongqing, 402460, P. R. China
- School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang, 621010, P. R. China
| | - Lei Du
- Chongqing Academy of Animal Sciences, Chongqing, 402460, P. R. China
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, 100193, P. R. China
| | - Xiaoyu Qiu
- Chongqing Academy of Animal Sciences, Chongqing, 402460, P. R. China
| | - Renli Qi
- Chongqing Academy of Animal Sciences, Chongqing, 402460, P. R. China.
| | - Jing Wang
- Chongqing Academy of Animal Sciences, Chongqing, 402460, P. R. China.
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Pistol GC, Pertea AM, Taranu I. The Use of Fruit and Vegetable by-Products as Enhancers of Health Status of Piglets after Weaning: The Role of Bioactive Compounds from Apple and Carrot Industrial Wastes. Vet Sci 2023; 11:15. [PMID: 38250921 PMCID: PMC10820549 DOI: 10.3390/vetsci11010015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Revised: 12/22/2023] [Accepted: 12/22/2023] [Indexed: 01/23/2024] Open
Abstract
At weaning, piglets are exposed to a large variety of stressors, from environmental/behavioral factors to nutritional stress. Weaning transition affects the gastrointestinal tract especially, resulting in specific disturbances at the level of intestinal morphology, barrier function and integrity, mucosal immunity and gut microbiota. All these alterations are associated with intestinal inflammation, oxidative stress and perturbation of intracellular signaling pathways. The nutritional management of the weaning period aims to achieve the reinforcement of intestinal integrity and functioning to positively modulate the intestinal immunity and that of the gut microbiota and to enhance the health status of piglets. That is why the current research is focused on the raw materials rich in phytochemicals which could positively modulate animal health. The composition analysis of fruit, vegetable and their by-products showed that identified phytochemicals could act as bioactive compounds, which can be used as modulators of weaning-induced disturbances in piglets. This review describes nutritional studies which investigated the effects of bioactive compounds derived from fruit (apple) and vegetables (carrot) or their by-products on the intestinal architecture and function, inflammatory processes and oxidative stress at the intestinal level. Data on the associated signaling pathways and on the microbiota modulation by bioactive compounds from these by-products are also presented.
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Affiliation(s)
- Gina Cecilia Pistol
- Laboratory of Animal Biology, INCDBNA-IBNA, National Research—Development Institute for Animal Biology and Nutrition, 077015 Balotesti, Ilfov, Romania; (A.-M.P.); (I.T.)
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Qiao L, Dou X, Song X, Chang J, Yi H, Xu C. Targeting mitochondria with antioxidant nutrients for the prevention and treatment of postweaning diarrhea in piglets. ANIMAL NUTRITION (ZHONGGUO XU MU SHOU YI XUE HUI) 2023; 15:275-287. [PMID: 38033610 PMCID: PMC10685042 DOI: 10.1016/j.aninu.2023.09.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Revised: 09/27/2023] [Accepted: 09/27/2023] [Indexed: 12/02/2023]
Abstract
Post-weaning diarrhea (PWD) in piglets poses a significant challenge and presents a grave threat to the global swine industry, resulting in considerable financial losses and compromising the welfare of animals. PWD is commonly associated with gut homeostatic imbalance, including oxidative stress, excessive inflammation, and microbiota dysbiosis. Antibiotic use has historically been a common initiative to combat PWD, but concerns about the development of antibiotic resistance have led to increased interest in alternative strategies. Mitochondria are key players in maintaining cellular homeostasis, and their dysfunction is intricately linked to the onset and progression of PWD. Accumulating evidence suggests that targeting mitochondrial function using antioxidant nutrients, such as vitamins, minerals and polyphenolic compounds, may represent a promising approach for preventing and treating PWD. Moreover, nutrients based on antioxidant strategies have been shown to improve mitochondrial function, restore intestinal redox balance, and reduce oxidative damage, which is a key driver of PWD. The present review begins with an overview of the potential interplay between mitochondria and gut homeostasis in the pathogenesis of PWD in piglets. Subsequently, alternative strategies to prevent and treat PWD using antioxidant nutrients to target mitochondria are described and discussed. Ultimately, we delve into potential limitations and suggest future research directions in this field for further advancement. Overall, targeting mitochondria using antioxidant nutrients may be a promising approach to combat PWD and provides a potential nutrition intervention strategy for regulating gut homeostasis of weaned piglets.
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Affiliation(s)
- Lei Qiao
- School of Life Sciences, Northwestern Polytechnical University, Xi'an, Shaanxi, 710072, China
| | - Xina Dou
- School of Life Sciences, Northwestern Polytechnical University, Xi'an, Shaanxi, 710072, China
| | - Xiaofan Song
- School of Life Sciences, Northwestern Polytechnical University, Xi'an, Shaanxi, 710072, China
| | - Jiajing Chang
- School of Life Sciences, Northwestern Polytechnical University, Xi'an, Shaanxi, 710072, China
| | - Hongbo Yi
- State Key Laboratory of Livestock and Poultry Breeding, Ministry of Agriculture Key Laboratory of Animal Nutrition and Feed Science in South China, Guangdong Provincial Key Laboratory of Animal Breeding and Nutrition, Institute of Animal Science of Guangdong Academy of Agricultural Sciences, Guangzhou, Guangdong, 510640, China
| | - Chunlan Xu
- School of Life Sciences, Northwestern Polytechnical University, Xi'an, Shaanxi, 710072, China
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Li XY, Meng L, Shen L, Ji HF. Regulation of gut microbiota by vitamin C, vitamin E and β-carotene. Food Res Int 2023; 169:112749. [PMID: 37254375 DOI: 10.1016/j.foodres.2023.112749] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Revised: 01/04/2023] [Accepted: 03/19/2023] [Indexed: 06/01/2023]
Abstract
Vitamin C (VC), vitamin E (VE) and β-carotene (βC) are representative dietary antioxidants, which exist in daily diet and can increase the antioxidant capacity of body fluids, cells and tissues. The health benefits of vitamins like VC, VE and βC are widely demonstrated. Given that the strong associations between the gut microbiota and host health or a range of diseases has been extensively reported, it is important to explore the modulatory effects of known vitamins on the gut microbiota. Herein, this article reviews the effects of VC, VE and βC on the gut microbiota. Totally, 19 studies were included, of which eight were related to VC, nine to VE, and six to βC. Overall, VC, VE and βC can provide health benefits to the host by modulating the composition and metabolic activity of the gut microbiota, improving intestinal barrier function and maintaining the normal function of the immune system. Two perspectives are proposed for future studies: i) roles of known antioxidant activity of vitamins in regulating the gut microbiota and its molecular mechanism need to be further studied; ii) causal relationships between the regulatory effects of vitamins on gut microbiota and host health still remains to be further verified.
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Affiliation(s)
- Xin-Yu Li
- Institute of Biomedical Research, School of Life Sciences and Medicine, Shandong University of Technology, Zibo, Shandong, People's Republic of China
| | - Lei Meng
- Institute of Biomedical Research, School of Life Sciences and Medicine, Shandong University of Technology, Zibo, Shandong, People's Republic of China
| | - Liang Shen
- Institute of Biomedical Research, School of Life Sciences and Medicine, Shandong University of Technology, Zibo, Shandong, People's Republic of China.
| | - Hong-Fang Ji
- Institute of Biomedical Research, School of Life Sciences and Medicine, Shandong University of Technology, Zibo, Shandong, People's Republic of China; School of Life Sciences, Ludong University, Yantai, People's Republic of China.
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Choudhury R, Gu Y, Bolhuis JE, Kleerebezem M. Early feeding leads to molecular maturation of the gut mucosal immune system in suckling piglets. Front Immunol 2023; 14:1208891. [PMID: 37304274 PMCID: PMC10248722 DOI: 10.3389/fimmu.2023.1208891] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2023] [Accepted: 05/16/2023] [Indexed: 06/13/2023] Open
Abstract
Introduction Diet-microbiota-host interactions are increasingly studied to comprehend their implications in host metabolism and overall health. Keeping in mind the importance of early life programming in shaping intestinal mucosal development, the pre-weaning period can be utilised to understand these interactions in suckling piglets. The objective of this study was to investigate the consequences of early life feeding on the time-resolved mucosal transcriptional program as well as mucosal morphology. Methods A customised fibrous feed was provided to piglets (early-fed or EF group; 7 litters) from five days of age until weaning (29 days of age) in addition to sow's milk, whereas control piglets (CON; 6 litters) suckled mother's milk only. Rectal swabs, intestinal content, and mucosal tissues (jejunum, colon) were obtained pre- and post-weaning for microbiota analysis (16S amplicon sequencing) and host transcriptome analysis (RNA sequencing). Results Early feeding accelerated both microbiota colonisation as well as host transcriptome, towards a more "mature state", with a more pronounced response in colon compared to jejunum. Early feeding elicited the largest impact on the colon transcriptome just before weaning (compared to post-weaning time-points), exemplified by the modulation of genes involved in cholesterol and energy metabolism and immune response. The transcriptional impact of early feeding persisted during the first days post-weaning and was highlighted by a stronger mucosal response to the weaning stress, via pronounced activation of barrier repair reactions, which is a combination of immune activation, epithelial migration and "wound-repair" like processes, compared to the CON piglets. Discussion Our study demonstrates the potential of early life nutrition in neonatal piglets as a means to support their intestinal development during the suckling period, and to improve adaptation during the weaning transition.
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Affiliation(s)
- Raka Choudhury
- Host-Microbe Interactomics Group, Department of Animal Sciences, Wageningen University & Research, Wageningen, Netherlands
| | - Yuner Gu
- Host-Microbe Interactomics Group, Department of Animal Sciences, Wageningen University & Research, Wageningen, Netherlands
| | - J. Elizabeth Bolhuis
- Adaptation Physiology Group, Department of Animal Sciences, Wageningen University & Research, Wageningen, Netherlands
| | - Michiel Kleerebezem
- Host-Microbe Interactomics Group, Department of Animal Sciences, Wageningen University & Research, Wageningen, Netherlands
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Xu Q, Zhao J, Jian H, Ye J, Gong M, Zou X, Dong X. Linoleic acid ameliorates intestinal mucosal barrier injury in early weaned pigeon squabs (Columba livia). J Anim Sci 2023; 101:skad125. [PMID: 37186172 PMCID: PMC10195202 DOI: 10.1093/jas/skad125] [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: 02/10/2023] [Accepted: 04/22/2023] [Indexed: 05/17/2023] Open
Abstract
The study aimed to investigate whether linoleic acid could improve the intestinal barrier function of squabs under weaning stress conditions. Totally 320 7-d-old weaned squabs were randomly divided into four treatment groups, including control group (CON), 0.7% linoleic acid addition group (LA007), 1.4% linoleic acid addition group (LA014) and 2.1% linoleic acid addition group (LA021). At 21 d, eight squabs were randomly selected from each treatment group for sampling and determination. The results showed that adding linoleic acid could improve (P < 0.05) the body weight of weaned squabs, and LA014 had the best effect. With the increase of linoleic acid dosage, villi height and villi area increased linearly or quadratically (P < 0.05), and reached the maximum in LA021 or LA014, respectively. The linoleic acid supplementation could improve the intestinal tight junction of weaned squabs, and the LA014 was the most significant (P < 0.05). With the linoleic acid increasing, the levels of intestinal IL-6 and TNF-α decreased linearly (P < 0.05), while intestinal IL-10 increased quadratically (P < 0.05) and reached the maximum in LA014. Serum endotoxin and diamine oxidase levels decreased linearly (P < 0.05) and reached the lowest level in LA014. The ultrastructure of villi revealed that the length of ileal microvilli in LA014 was significantly increased (P < 0.05) and the microvilli became dense, and the mitochondria in epithelial cells returned to normal state. Further exploring the mechanism of linoleic acid alleviating intestinal injury caused by weaning stress in squabs, it was found that linoleic acid down-regulated (P < 0.05) the relative protein expression of TLR4, MyD88, phosphorylated JNK, and phosphorylated p38, reducing secretion of pro-inflammatory factors IL-6 and TNF-α. This study indicated that linoleic acid could alleviate intestinal barrier injury of early weaned squabs by down-regulating TLR4-MyD88-JNK/p38-IL6/TNF-α pathway.
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Affiliation(s)
- Qianqian Xu
- Key Laboratory of Characteristic Agricultural Product Quality and Hazardous Substance Control Technology of Zhejiang Province, Institute of Food Nutrition and Quality Safety, College of Life Science, China Jiliang University, Hangzhou 310018, China
| | - Jin Zhao
- Key Laboratory of Characteristic Agricultural Product Quality and Hazardous Substance Control Technology of Zhejiang Province, Institute of Food Nutrition and Quality Safety, College of Life Science, China Jiliang University, Hangzhou 310018, China
| | - Huafeng Jian
- Key laboratory for Molecular Animal Nutrition of Ministry of Education, Key Laboratory of Animal Feed and Nutrition of Zhejiang Province, Feed Science Institute, College of Animal Science, Zhejiang University (Zijingang Campus), Hangzhou 310058, China
| | - Jiangcheng Ye
- Key Laboratory of Characteristic Agricultural Product Quality and Hazardous Substance Control Technology of Zhejiang Province, Institute of Food Nutrition and Quality Safety, College of Life Science, China Jiliang University, Hangzhou 310018, China
| | - Mingxiu Gong
- Key Laboratory of Characteristic Agricultural Product Quality and Hazardous Substance Control Technology of Zhejiang Province, Institute of Food Nutrition and Quality Safety, College of Life Science, China Jiliang University, Hangzhou 310018, China
| | - Xiaoting Zou
- Key laboratory for Molecular Animal Nutrition of Ministry of Education, Key Laboratory of Animal Feed and Nutrition of Zhejiang Province, Feed Science Institute, College of Animal Science, Zhejiang University (Zijingang Campus), Hangzhou 310058, China
| | - Xinyang Dong
- Key laboratory for Molecular Animal Nutrition of Ministry of Education, Key Laboratory of Animal Feed and Nutrition of Zhejiang Province, Feed Science Institute, College of Animal Science, Zhejiang University (Zijingang Campus), Hangzhou 310058, China
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Effects of Dietary Supplementation with Vitamin A on Antioxidant and Intestinal Barrier Function of Broilers Co-Infected with Coccidia and Clostridium perfringens. Animals (Basel) 2022; 12:ani12233431. [PMID: 36496951 PMCID: PMC9740507 DOI: 10.3390/ani12233431] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Revised: 11/24/2022] [Accepted: 12/03/2022] [Indexed: 12/12/2022] Open
Abstract
Necrotic enteritis (NE) impairs poultry production and causes great economic loss. The nutritional regulation of diets has the potential to alleviate NE. The present study was conducted to investigate the effects of dietary supplementation with vitamin A (VA) on the antioxidant and intestinal barrier function of broilers co-infected with coccidia and C. perfringens (CCP). In a 2 × 2 factorial arrangement, 336 one-day-old Ross 308 broilers were divided into four treatments with two levels of VA (0 or 12,000 IU/kg) and challenged with or without CCP. The animal trial lasted for 42 days. The results showed that dietary supplemental VA improved body weight gain (BWG) and the feed intake (FI), and the FI was negatively affected by CCP. Additionally, the levels of catalase (CAT) in the serum, total superoxide dismutase (T-SOD), and CAT in the jejunum and glutathione peroxidase (GSH-Px) in the liver decreased with the CCP challenge (p < 0.05). The mRNA levels of SOD, CAT, GSH-Px1, and GSH-Px3 in the liver and jejunum were upregulated by the CCP challenge (p < 0.05). In addition, the level of serum diamine oxidase (DAO), and the mRNA level of ZO-1 were also upregulated with the CCP challenge. Dietary supplementation with VA contributed to the intestinal villi height and the mRNA level of Mucin-2 in the jejunum (p < 0.05). Additionally, dietary VA had the ability to alleviate the upregulation of SOD in the liver and SOD, CAT, GSH-Px1, GSH-Px3, ZO-1, and claudin-1 in the jejunum with the CCP challenge (p < 0.05). However, the mRNA level of GSH-Px3 and the levels of SOD in the liver and jejunum were downregulated with the VA supplementation in the diet. In conclusion, dietary VA improved the growth performance and the intestinal barrier function; nonetheless, it failed to alleviate the negative effects of CCP on the antioxidant function in broilers.
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Role of ER Stress in Xenobiotic-Induced Liver Diseases and Hepatotoxicity. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:4640161. [PMID: 36388166 PMCID: PMC9652065 DOI: 10.1155/2022/4640161] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/18/2022] [Revised: 10/12/2022] [Accepted: 10/25/2022] [Indexed: 11/06/2022]
Abstract
The liver is a highly metabolic organ and plays a crucial role in the transportation, storage, and/or detoxication of xenobiotics. Liver damage induced by xenobiotics (e.g., heavy metal, endocrine disrupting chemicals, Chinese herbal medicine, or nanoparticles) has become a pivotal reason for liver diseases, leading to great clinical challenge and much attention for the past decades. Given that endoplasmic reticulum (ER) is the prominent organelle involved in hepatic metabolism, ER dysfunction, namely, ER stress, is clearly observed in various liver diseases. In response to ER stress, a conserved adaptive signaling pathway known as unfolded protein response (UPR) is activated to restore ER homeostasis. However, the prolonged ER stress with UPR eventually leads to the death of hepatocytes, which is a pathogenic event in many hepatic diseases. Therefore, analyzing the perturbation in the activation or inhibition of ER stress and the UPR signaling pathway is likely an effective marker for investigating the molecular mechanisms behind the toxic effects of xenobiotics on the liver. We review the role of ER stress in hepatic diseases and xenobiotic-induced hepatotoxicity, which not only provides a theoretical basis for further understanding the pathogenesis of liver diseases and the mechanisms of hepatotoxicity induced by xenobiotics but also presents a potential target for the prevention and treatment of xenobiotic-related liver diseases.
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Wang Y, Lu J, Qu H, Cai C, Liu H, Chu J. β-Carotene extracted from Blakeslea trispora attenuates oxidative stress, inflammatory, hepatic injury and immune damage induced by copper sulfate in zebrafish (Danio rerio). Comp Biochem Physiol C Toxicol Pharmacol 2022; 258:109366. [PMID: 35533964 DOI: 10.1016/j.cbpc.2022.109366] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Revised: 04/12/2022] [Accepted: 05/04/2022] [Indexed: 11/29/2022]
Abstract
β-Carotene, as a kind of potent antioxidant compounds, has gained extensive attention. Blakeslea trispora, a filiform aerobic fungus, has been proposed as a natural source of β-carotene for commercial exploitation. However, it has not yet been investigated whether β-carotene extracted from Blakeslea trispora can attenuate oxidative stress, inflammatory, liver injury and immune damage of zebrafish (Danio rerio) exposed to copper sulfate (CuSO4). In this study, we evaluated the effects of β-carotene on migration of GFP-labeled neutrophils, histological changes of liver, markers of oxidative, inflammatory cytokines and transaminase analysis, as well as the expression and activities of apoptosis, immune-related certain genes in zebrafish treated with different concentrations of β-carotene (0, 10, 20, 40 μg/mL) after exposure to CuSO4. The results indicated that β-carotene reduced migration of neutrophils and released liver damage. What's more, β-carotene was found to reduce the index levels of oxidative stress response (HMOX-1, reactive oxygen species (ROS), NADPH, MDA), inflammatory factors (interleukine-1β (IL-1β), interleukine-6 (IL-6), interleukine-8 (IL-8), tumor necrosis factor-α (TNF-α)), liver function protein (AST, ALT) which increased by CuSO4. β-Carotene also promoted the activities of SOD, GSH-Px, ACP, AKP and LZM and increased the protein of immune-related factors, IgM and IFN-γ after exposure to CuSO4. Thus, our results demonstrate that β-carotene has an antioxidant, anti-inflammatory and hepatoprotective activity and participation in immunoregulation.
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Affiliation(s)
- Ying Wang
- Biology Institute, Qilu University of Technology (Shandong Academy of Sciences), Ji'nan, Shandong 250103, China
| | - Junhua Lu
- Biology Institute, Qilu University of Technology (Shandong Academy of Sciences), Ji'nan, Shandong 250103, China
| | - Huiming Qu
- Biology Institute, Qilu University of Technology (Shandong Academy of Sciences), Ji'nan, Shandong 250103, China
| | - Chunjing Cai
- Biology Institute, Qilu University of Technology (Shandong Academy of Sciences), Ji'nan, Shandong 250103, China
| | - Hui Liu
- Shandong Center for Food and Drug Evaluation and Inspection, Ji'nan, Shandong 250103, China
| | - Jie Chu
- Biology Institute, Qilu University of Technology (Shandong Academy of Sciences), Ji'nan, Shandong 250103, China.
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Wei W, Li Y, Wang C, Gao S, Zhao Y, Yang Z, Wang H, Gao Z, Jiang Y, He Y, Zhao L, Gao H, Yao X, Hu Y. Diterpenoid Vinigrol specifically activates ATF4/DDIT3-mediated PERK arm of unfolded protein response to drive non-apoptotic death of breast cancer cells. Pharmacol Res 2022; 182:106285. [PMID: 35662627 DOI: 10.1016/j.phrs.2022.106285] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/12/2022] [Revised: 05/23/2022] [Accepted: 05/29/2022] [Indexed: 11/26/2022]
Abstract
Vinigrol is a natural diterpenoid with unprecedented chemical structure, driving great efforts into its total synthesis in the past decades. Despite anti-hypertension and anti-clot ever reported, comprehensive investigations on bioactions and molecular mechanisms of Vinigrol are entirely missing. Here we firstly carried out a complete functional prediction of Vinigrol using a transcriptome-based strategy coupled with multiple bioinformatic analyses and identified "anti-cancer" as the most prominent biofunction ahead of anti-hypertension and anti-depression/psychosis. Broad cytotoxicity was subsequently confirmed on multiple cancer types. Further mechanistic investigation on several breast cancer cells revealed that its anti-cancer effect was mainly through activating PERK/eIF2α arm of unfolded protein response (UPR) and subsequent non-apoptotic cell death independent of caspase activities. The other two branches of UPR, IRE1α and ATF6, were functionally irrelevant to Vinigrol-induced cell death. Using CRISPR/Cas9-based gene activation, repression, and knockout systems, we identified the essential contribution of ATF4 and DDIT3, not ATF6, to the death process. This study unraveled a broad anti-cancer function of Vinigrol and its underlying targets and regulatory mechanisms. It paved the way for further inspection on the structure-efficacy relationship of the whole compound family, making them a novel cluster of PERK-specific stress activators for experimental and clinical uses.
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Affiliation(s)
- Wencheng Wei
- Harbin Institute of Technology, Harbin 150000, China; Shenzhen Key Laboratory of Gene Regulation and Systems Biology, School of Life Sciences, Southern University of Science and Technology, Shenzhen 518005, China; Department of pharmacology, School of Medicine, Southern University of Science and Technology, Shenzhen 518005, China; Department of Biology, School of Life Sciences, Southern University of Science and Technology, Shenzhen 518005, China
| | - Yunfei Li
- Shenzhen Key Laboratory of Gene Regulation and Systems Biology, School of Life Sciences, Southern University of Science and Technology, Shenzhen 518005, China; Department of pharmacology, School of Medicine, Southern University of Science and Technology, Shenzhen 518005, China; Department of Biology, School of Life Sciences, Southern University of Science and Technology, Shenzhen 518005, China
| | - Chuanxi Wang
- Institute of Traditional Chinese Medicine & Natural Products, College of Pharmacy, Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research, Jinan University, Guangzhou 510632, China
| | - Sanxing Gao
- Shenzhen Key Laboratory of Gene Regulation and Systems Biology, School of Life Sciences, Southern University of Science and Technology, Shenzhen 518005, China; Department of pharmacology, School of Medicine, Southern University of Science and Technology, Shenzhen 518005, China; Department of Biology, School of Life Sciences, Southern University of Science and Technology, Shenzhen 518005, China
| | - Yan Zhao
- Shenzhen Key Laboratory of Gene Regulation and Systems Biology, School of Life Sciences, Southern University of Science and Technology, Shenzhen 518005, China; Department of pharmacology, School of Medicine, Southern University of Science and Technology, Shenzhen 518005, China; Department of Biology, School of Life Sciences, Southern University of Science and Technology, Shenzhen 518005, China
| | - Zhenyu Yang
- Shenzhen Key Laboratory of Gene Regulation and Systems Biology, School of Life Sciences, Southern University of Science and Technology, Shenzhen 518005, China; Department of pharmacology, School of Medicine, Southern University of Science and Technology, Shenzhen 518005, China; Department of Biology, School of Life Sciences, Southern University of Science and Technology, Shenzhen 518005, China
| | - Hao Wang
- Shenzhen Key Laboratory of Gene Regulation and Systems Biology, School of Life Sciences, Southern University of Science and Technology, Shenzhen 518005, China; Department of pharmacology, School of Medicine, Southern University of Science and Technology, Shenzhen 518005, China; Department of Biology, School of Life Sciences, Southern University of Science and Technology, Shenzhen 518005, China
| | - Ziying Gao
- Shenzhen Key Laboratory of Gene Regulation and Systems Biology, School of Life Sciences, Southern University of Science and Technology, Shenzhen 518005, China; Department of pharmacology, School of Medicine, Southern University of Science and Technology, Shenzhen 518005, China; Department of Biology, School of Life Sciences, Southern University of Science and Technology, Shenzhen 518005, China
| | - Yanxiang Jiang
- Shenzhen Key Laboratory of Gene Regulation and Systems Biology, School of Life Sciences, Southern University of Science and Technology, Shenzhen 518005, China; Department of pharmacology, School of Medicine, Southern University of Science and Technology, Shenzhen 518005, China; Department of Biology, School of Life Sciences, Southern University of Science and Technology, Shenzhen 518005, China
| | - Yuan He
- Shenzhen Key Laboratory of Gene Regulation and Systems Biology, School of Life Sciences, Southern University of Science and Technology, Shenzhen 518005, China; Department of pharmacology, School of Medicine, Southern University of Science and Technology, Shenzhen 518005, China; Department of Biology, School of Life Sciences, Southern University of Science and Technology, Shenzhen 518005, China
| | - Li Zhao
- Department of Head and Neck Surgical Oncology, National Clinical Research Center for Cancer, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100000, China
| | - Hao Gao
- Institute of Traditional Chinese Medicine & Natural Products, College of Pharmacy, Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research, Jinan University, Guangzhou 510632, China.
| | - Xinsheng Yao
- Institute of Traditional Chinese Medicine & Natural Products, College of Pharmacy, Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research, Jinan University, Guangzhou 510632, China
| | - Yuhui Hu
- Shenzhen Key Laboratory of Gene Regulation and Systems Biology, School of Life Sciences, Southern University of Science and Technology, Shenzhen 518005, China; Department of pharmacology, School of Medicine, Southern University of Science and Technology, Shenzhen 518005, China; Department of Biology, School of Life Sciences, Southern University of Science and Technology, Shenzhen 518005, China.
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Zhang ZJ, Wang KP, Mo JG, Xiong L, Wen Y. Photodynamic therapy regulates fate of cancer stem cells through reactive oxygen species. World J Stem Cells 2020; 12:562-584. [PMID: 32843914 PMCID: PMC7415247 DOI: 10.4252/wjsc.v12.i7.562] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/26/2020] [Revised: 05/17/2020] [Accepted: 05/21/2020] [Indexed: 02/06/2023] Open
Abstract
Photodynamic therapy (PDT) is an effective and promising cancer treatment. PDT directly generates reactive oxygen species (ROS) through photochemical reactions. This oxygen-dependent exogenous ROS has anti-cancer stem cell (CSC) effect. In addition, PDT may also increase ROS production by altering metabolism, endoplasmic reticulum stress, or potential of mitochondrial membrane. It is known that the half-life of ROS in PDT is short, with high reactivity and limited diffusion distance. Therefore, the main targeting position of PDT is often the subcellular localization of photosensitizers, which is helpful for us to explain how PDT affects CSC characteristics, including differentiation, self-renewal, apoptosis, autophagy, and immunogenicity. Broadly speaking, excess ROS will damage the redox system and cause oxidative damage to molecules such as DNA, change mitochondrial permeability, activate unfolded protein response, autophagy, and CSC resting state. Therefore, understanding the molecular mechanism by which ROS affect CSCs is beneficial to improve the efficiency of PDT and prevent tumor recurrence and metastasis. In this article, we review the effects of two types of photochemical reactions on PDT, the metabolic processes, and the biological effects of ROS in different subcellular locations on CSCs.
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Affiliation(s)
- Zi-Jian Zhang
- Department of General Surgery, Second Xiangya Hospital, Central South University, Changsha 410011, Hunan Province, China
| | - Kun-Peng Wang
- Department of General Surgery, Taizhou Central Hospital (Taizhou University Hospital), Taizhou 318000, Zhejiang Province, China
| | - Jing-Gang Mo
- Department of General Surgery, Taizhou Central Hospital (Taizhou University Hospital), Taizhou 318000, Zhejiang Province, China
| | - Li Xiong
- Department of General Surgery, Second Xiangya Hospital, Central South University, Changsha 410011, Hunan Province, China
| | - Yu Wen
- Department of General Surgery, Second Xiangya Hospital, Central South University, Changsha 410011, Hunan Province, China.
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13
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Li R, Li L, Hong P, Lang W, Hui J, Yang Y, Zheng X. β-Carotene prevents weaning-induced intestinal inflammation by modulating gut microbiota in piglets. Anim Biosci 2019; 34:1221-1234. [PMID: 32054173 PMCID: PMC8255870 DOI: 10.5713/ajas.19.0499] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2019] [Accepted: 12/11/2019] [Indexed: 12/28/2022] Open
Abstract
Objective Weaning is an important stage in the life of young mammals, which is associated with intestinal inflammation, gut microbiota disorders, and even death. β-Carotene displays anti-inflammatory and antioxidant activities, which can prevent the development of inflammatory diseases. However, whether β-carotene can affect intestinal microbiota remains unclear. Methods Twenty-four piglets were distributed into four groups: the normal suckling group (Con), the weaning group (WG), the weaning+β-carotene (40 mg/kg) group (LCBC), and the weaning+β-carotene (80 mg/kg) group (HCBC). The serum, jejunum, colon, and faeces were collected separately from each group. The effects of β-carotene on the phenotype, overall structure, and composition of gut microbiota were assessed in weaning piglets. Results The results showed that β-carotene improved the growth performance, intestinal morphology and relieved inflammation. Furthermore, β-carotene significantly decreased the species from phyla Bacteroidetes and the genus Prevotella, and Blautia, and increased the species from the phyla Firmicutes and the genera p-75-a5, and Parabacteroides compared to the WG group. Spearman’s correlation analysis showed that Prevotella and Blautia were positively correlated, and Parabacteroides and Synergistes were negatively correlated with the levels of interleukin-1β (IL-1β), IL-6, and tumour necrosis factor-α (TNF-α), while p-75-a5 showed negative correlation with IL-6 in serum samples from piglets. Conclusion These findings indicate that β-carotene could alleviate weaning-induced intestinal inflammation by modulating gut microbiota in piglets. Prevotella may be a potential target of β-carotene in alleviating the weaning-induced intestinal inflammation in piglets.
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Affiliation(s)
- Ruonan Li
- College of Animal Science and Technology, Jilin Agricultural University, Changchun 2888, China
| | - Lingqian Li
- College of Animal Science and Technology, Jilin Agricultural University, Changchun 2888, China
| | - Pan Hong
- College of Animal Science and Technology, Jilin Agricultural University, Changchun 2888, China.,Key Laboratory of Functional Protein Research of Guangdong Higher Education Institutes, Institute of Life and Health Engineering, College of Life Science and Technology, Jinan University, Guangzhou 510632, China
| | - Wuying Lang
- College of Animal Science and Technology, Jilin Agricultural University, Changchun 2888, China
| | - Junnan Hui
- College of Animal Science and Technology, Jilin Agricultural University, Changchun 2888, China
| | - Yu Yang
- College of Animal Science and Technology, Jilin Agricultural University, Changchun 2888, China
| | - Xin Zheng
- College of Animal Science and Technology, Jilin Agricultural University, Changchun 2888, China
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