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Algammal AA, Mohamed MA, Abd Eldaim M, Eisa AMAE, El-Shenawy AA, Bazh EK, Ammar NI, Hamad R. Anticoccidial potentials of Azadirachta indica ethosomal nanovesicle in broiler chicks. Vet Parasitol 2024; 331:110270. [PMID: 39079237 DOI: 10.1016/j.vetpar.2024.110270] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2024] [Revised: 06/30/2024] [Accepted: 07/21/2024] [Indexed: 09/12/2024]
Abstract
This study evaluated the efficacy of Azadirachta indica ethosomal nanovesicle against Eimeria tenella infection in broiler chicks. Azadirachta indica ethanolic extract was screened phtochemically and analyzed active components of the extracts using high‑performance liquid chromatography (HPLC). Azadirachta indica ethosomal nanovesicle was synthesized and characterized by zeta potential and scanning electron microscope. Broiler chicks were allocated into seven groups. Control group. The second group administered nanosized ethosomal vesicles (1 mL/kg b.wt.). The third group administered Azadirachta indica nanovesicles (30 mg/kg b.wt.) from 10th day of age. Fourth group was infected with E. tenella at a dose of 1 mL containing 40000 oocyst/ chick at 14th day of age. The fifth group administered Azadirachta indica nanovesicle (30 mg/kg b.wt.) from 10th day of age and infected with E. tenella as fourth group. The sixth group infected with E. tenella as the fourth group and treated with Azadirachta indica nanovesicle (30 mg/kg b.wt. for 4 days after clinical signs appearance. The seventh group infected with E. tenella as the fourth group and treated with diclazuril group (1 mL/4 L of water) for 2 successive days. Coccidiosis significantly decreased body weight, feed intake, reduced glutathione (GSH) level while increased feed conversion ratio, oocyst count, malonaldehyde (MDA) and nitric oxide (NO) serum levels, protein expression of interleukin-1 beta (IL-1β), interleukin 6 (IL-6), BAX and Caspase 3, in cecal tissue and induced cecal tissue injury. However, administration of coccidiosis chicks Azadirachta indica nanovesicle enhanced body weight, and serum GSH. While decreased feed intake, feed conversion ratio, oocyst count, MDA, and NO serum levels, and protein expression of IL-1β, IL-6, BAX, and caspase 3 in cecal tissues and ameliorated cecal tissue damage. This study indicated that, A. indica ethosomal nanovesicle had potent anticoccidial properties.
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Affiliation(s)
| | - Mostafa Abdelgaber Mohamed
- Department of Pathology, Faculty of Veterinary Medicine, Menoufia University, Shebeen El-kom 32511, Egypt
| | - Mabrouk Abd Eldaim
- Department of Biochemistry and Molecular Biology, Faculty of Veterinary Medicine, Menoufia University, Shebeen El-kom 32511, Egypt.
| | | | - Ahmed Ahmed El-Shenawy
- Department of Pharmaceutics and Pharmaceutical Technology, Faculty of Pharmacy, Al-Azhar University, Assiut 71524, Egypt
| | - Eman Kamal Bazh
- Department of Parasitology, Faculty of Veterinary Medicine, Menoufia University, Shebeen El-kom, Menoufia 32511, Egypt
| | - Noha Ibrahim Ammar
- Animal Health Research Institute, Agricultural Research Center, Dokki, Giza, Egypt
| | - Rania Hamad
- Department of Pathology, Faculty of Veterinary Medicine, Menoufia University, Shebeen El-kom 32511, Egypt
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Jin X, Li QH, Sun J, Zhang M, Xiang YQ. Porcine β-defensin-2 alleviates AFB1-induced intestinal mucosal injury by inhibiting oxidative stress and apoptosis. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 262:115161. [PMID: 37356398 DOI: 10.1016/j.ecoenv.2023.115161] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/04/2022] [Revised: 06/04/2023] [Accepted: 06/17/2023] [Indexed: 06/27/2023]
Abstract
Aflatoxin B1 (AFB1) is the most toxic mycotoxin contaminant, which is widely present in crops and poses a major safety hazard to animal and human health. To alleviate the cytotoxic effects of AFB1 on the intestine, we tested the protective effects of porcine β-defensin-2 (pBD-2). Results demonstrated that pBD-2 inhibited oxidative stress induced by AFB1 via decreasing the levels of ROS and enhancing the expression of antioxidant factors SOD-2 and NQO-1. In addition, pBD-2 attenuated AFB1-induced intestinal porcine epithelial cell line-J2 (IPEC-J2) injury through blocking mitochondria-mediated apoptosis. In vivo, pBD-2 treatment restored the intestinal mucosal structure and reduced the expression levels of apoptosis factors caspase-3 and Bax/Bcl-2. In conclusion, these results indicated that pBD-2 can alleviate AFB1-induced intestinal mucosal injury by inhibiting oxidative stress and mitochondria-mediated apoptosis. This study provides an effective strategy in developing pBD-2 as green feed additive to prevent AFB1 damage to animals.
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Affiliation(s)
- Xin Jin
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou 450046, Henan, China; Ministry of Education Key Laboratory for Animal Pathogens and Biosafety, Zhengzhou 450046, Henan, China
| | - Qing-Hao Li
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou 450046, Henan, China; Ministry of Education Key Laboratory for Animal Pathogens and Biosafety, Zhengzhou 450046, Henan, China
| | - Juan Sun
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou 450046, Henan, China; Ministry of Education Key Laboratory for Animal Pathogens and Biosafety, Zhengzhou 450046, Henan, China
| | - Man Zhang
- College of Veterinary Medicine, Henan University of Animal Husbandry and Economy, Zhengzhou 450046, Henan, China.
| | - Yu-Qiang Xiang
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou 450046, Henan, China; Ministry of Education Key Laboratory for Animal Pathogens and Biosafety, Zhengzhou 450046, Henan, China.
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Sallam MF, Ahmed HMS, El-Nekeety AA, Diab KA, Abdel-Aziem SH, Sharaf HA, Abdel-Wahhab MA. Assessment of the Oxidative Damage and Genotoxicity of Titanium Dioxide Nanoparticles and Exploring the Protective Role of Holy Basil Oil Nanoemulsions in Rats. Biol Trace Elem Res 2023; 201:1301-1316. [PMID: 35416606 PMCID: PMC9898350 DOI: 10.1007/s12011-022-03228-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Accepted: 03/30/2022] [Indexed: 02/06/2023]
Abstract
This study was designed to evaluate the oxidative damage, genotoxicity, and DNA damage in the liver of rats treated with titanium nanoparticles (TiO2-NPs) with an average size of 28.0 nm and ξ-potential of - 33.97 mV, and to estimate the protective role of holy basil essential oil nanoemulsion (HBEON). Six groups of Male Sprague-Dawley rats were treated orally for 3 weeks as follows: the control group, HBEO or HBEON-treated groups (5 mg/kg b.w), TiO2-NPs-treated group (50 mg/kg b.w), and the groups treated with TiO2-NPs plus HBEO or HBEON. Samples of blood and tissues were collected for different analyses. The results revealed that 55 compounds were identified in HBEO, and linalool and methyl chavicol were the major compounds (53.9%, 12.63%, respectively). HBEON were semi-round with the average size and ζ-potential of 120 ± 4.5 nm and - 28 ± 1.3 mV, respectively. TiO2-NP administration increased the serum biochemical indices, oxidative stress markers, serum cytokines, DNA fragmentation, and DNA breakages; decreased the antioxidant enzymes; and induced histological alterations in the liver. Co-administration of TiO2-NPs plus HBEO or HBEON improved all the tested parameters and the liver histology, and HBEON was more effective than HBEO. Therefore, HEBON is a promising candidate able to protect against oxidative damage, disturbances in biochemical markers, gene expression, DNA damage, and histological changes resulting from exposure to TiO2-NPs and may be applicable in the food and pharmaceutical sectors.
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Affiliation(s)
- Mohamed F Sallam
- Pharmacology and Toxicology Department, Faculty of Pharmacy, Ahram Canadian University, Giza, Egypt
| | - Helmy M S Ahmed
- Toxicology & Pharmacology Department, Faculty of Pharmacy, Cairo University, Cairo, Egypt.
| | - Aziza A El-Nekeety
- Food Toxicology & Contaminants Department, National Research Center, Dokki, Cairo, Egypt
| | - Kawthar A Diab
- Genetics and Cytology Department, National Research Center, Dokki, Cairo, Egypt
| | | | - Hafiza A Sharaf
- Pathology Department, National Research Center, Dokki, Cairo, Egypt
| | - Mosaad A Abdel-Wahhab
- Food Toxicology & Contaminants Department, National Research Center, Dokki, Cairo, Egypt.
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Sang R, Ge B, Li H, Zhou H, Yan K, Wang W, Cui Q, Zhang X. Taraxasterol alleviates aflatoxin B 1-induced liver damage in broiler chickens via regulation of oxidative stress, apoptosis and autophagy. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 251:114546. [PMID: 36646010 DOI: 10.1016/j.ecoenv.2023.114546] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Revised: 12/22/2022] [Accepted: 01/11/2023] [Indexed: 06/17/2023]
Abstract
Aflatoxin B1 (AFB1) is the most dangerous and abundant mycotoxin, which is toxic to almost all animals, and poultry is more sensitive to AFB1 toxicity. Ingesting AFB1-contaminated feed can cause significant liver damage and brings serious harm to poultry, which greatly restricts the development of the poultry industry. The present research was implemented to explore the intervention effect and its mechanism of taraxasterol on liver damage induced by AFB1 in broiler chickens. The liver damage model in broiler chickens was established by feeding 0.5 mg/kg AFB1 feed, and taraxasterol (25, 50 and 100 mg/kg BW, respectively) was given in the drinking water for 21 days. The growth performance, liver function, oxidative stress, apoptosis and autophagy were evaluated. The results showed that taraxasterol increased BW and reduced feed-to-gain ratio of broiler chickens induced by AFB1. Taraxasterol improved the levels of serum alanine aminotransferase (ALT), aspartate aminotransferase (AST), γ-glutamyltransferase (GGT), total bilirubin (TBIL) and alkaline phosphatase (ALP), and attenuated hepatic histopathological changes induced by AFB1. Meantime, taraxasterol down-regulated cytochrome P450 (CYP450) enzyme system CYP1A1 and CYP2A6 mRNA expression, inhibited the overproduction of reactive oxygen species (ROS) and malondialdehyde (MDA), and enhanced the activities of antioxidant enzymes glutathione (GSH) and catalase (CAT) and the content of antioxidant superoxide dismutase (SOD) of the liver in broiler chickens induced by AFB1. Furthermore, taraxasterol up-regulated the mRNA and protein expression of hepatic nuclear factor E2 related factor 2 (Nrf2), heme oxygenase 1 (HO-1) and NAD(P)H: quinone oxidoreductase 1 (NQO1), and down-regulated the expression of hepatic kelch like ECH associated protein 1 (Keap1) induced by AFB1 in Keap1/Nrf2 signaling pathway. The ultrastructural observation and RT-qPCR results found that taraxasterol inhibited apoptosis of hepatocytes, up-regulated the expression of B-cell lymphoma-2 (Bcl-2) mRNA and down-regulated the expression of Bax and caspase3 mRNA. Further, taraxasterol restored the autophagy of hepatocytes and down-regulated the mRNA expression of phosphatidylinositol 3-kinase K (PI3K), protein kinase B (AKT) and mammalian target of rapamycin (mTOR) in AFB1-induced liver of broiler chickens. The above results indicate that taraxasterol alleviates liver damage induced by AFB1 in broiler chickens through regulation of Keap1/Nrf2 signaling pathway to exert its antioxidant effect, mitochondrial apoptosis pathway to improve anti-apoptotic ability and PI3K/AKT/mTOR pathway to restore autophagy.
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Affiliation(s)
- Rui Sang
- Agricultural College of Yanbian University, Gongyuan Street, Yanji, Jilin 133002, PR China.
| | - Bingjie Ge
- Agricultural College of Yanbian University, Gongyuan Street, Yanji, Jilin 133002, PR China.
| | - Haifeng Li
- Agricultural College of Yanbian University, Gongyuan Street, Yanji, Jilin 133002, PR China.
| | - Hongyuan Zhou
- Agricultural College of Yanbian University, Gongyuan Street, Yanji, Jilin 133002, PR China.
| | - Kexin Yan
- Agricultural College of Yanbian University, Gongyuan Street, Yanji, Jilin 133002, PR China.
| | - Wei Wang
- Agricultural College of Yanbian University, Gongyuan Street, Yanji, Jilin 133002, PR China.
| | - Qichao Cui
- Agricultural College of Yanbian University, Gongyuan Street, Yanji, Jilin 133002, PR China.
| | - Xuemei Zhang
- Agricultural College of Yanbian University, Gongyuan Street, Yanji, Jilin 133002, PR China.
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Effects of Kadsura coccinea L. Fruit Extract on Growth Performance, Meat Quality, Immunity, Antioxidant, Intestinal Morphology and Flora of White-Feathered Broilers. Animals (Basel) 2022; 13:ani13010093. [PMID: 36611702 PMCID: PMC9817888 DOI: 10.3390/ani13010093] [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: 12/01/2022] [Revised: 12/22/2022] [Accepted: 12/23/2022] [Indexed: 12/28/2022] Open
Abstract
This study aimed to determine whether adding Kadsura coccinea fruit extract to the diet of broilers could replace antibiotics. For this study, 300 one-day-old AA white feathered broilers were divided into five groups (no sex separated), with six repetitions per group (n = 10), as follows: blank control group (basal feed, CK group), positive drug (basal feed + 300 mg/kg aureomycin, PD group), and Kadsura coccinea low-dose, medium-dose, and high-dose groups (basal feed + 100 mg/kg, 200 mg/kg, and 300 mg/kg of Kadsura coccinea fruit extract, LD group, MD group and HD group). The experiment period was divided into early (1−21 days) and late (22−42 days) stage. We found that supplementation with Kadsura coccinea fruit extract in the diet significantly improved the growth performance of broilers (p < 0.05), reduced the feed to meat ratio (p < 0.05), reduced the fat percentage (p < 0.05), while had no significant effect on meat quality (p > 0.05) and Kadsura coccinea fruit extract could promote the development of immune organs to different extents, enhance antioxidant capacity, the contents of SOD and GSH-Px in serum were significantly increased (p < 0.05), improve the ratio of villus height to crypt depth. Finally, Kadsura coccinea fruit extract increased the relative abundance of probiotics and beneficial bacteria (Bacteroidales, NK4A214, Subdoligranulum and Eubacterium hallii) (p < 0.05) and reduced the relative abundance of harmful bacteria (Erysipelatoclostridium) (p < 0.05) in the gut of broilers. Compared with positive drug group, most of the indexes in the medium-dose group were better or had similar effects. We believe that Kadsura coccinea fruit extract can be used as a potential natural antibiotic substitute in livestock and poultry breeding programs.
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Zhang M, Li Q, Wang J, Sun J, Xiang Y, Jin X. Aflatoxin B1 disrupts the intestinal barrier integrity by reducing junction protein and promoting apoptosis in pigs and mice. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2022; 247:114250. [PMID: 36334341 DOI: 10.1016/j.ecoenv.2022.114250] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Revised: 10/24/2022] [Accepted: 10/28/2022] [Indexed: 06/16/2023]
Abstract
With the growing diversity and complexity of diet, animals and humans are at risk of exposure to aflatoxin B1 (AFB1), which is a well-known contaminant in the food chain that causes various toxicological effects. The intestine acts as the first barrier against external contaminants, but the effect of AFB1 on intestinal barrier has not been determined. This study aimed to evaluate AFB1 on the intestinal barrier function in vitro and in vivo. In vitro, porcine jejunal epithelial cells (IPEC-J2) were treated with increasing concentrations of AFB1 (10-60 mg/L). In vivo, Kunming (KM) mice were used as controls or gavaged with 1% dimethyl sulfoxide (110 mg/kg b.w.) and AFB1 (0.3 mg/kg b.w.) for 28 days. In IPEC-J2 cells, the cell viability decreased with increasing mycotoxin concentrations, and the viability of IPEC-J2 cells decreased significantly (P < 0.05) when the AFB1 concentrations were greater than 30 mg/L. In addition, quantitative real-time PCR, Western blot analysis, and immunofluorescence results show that AFB1 can downregulate the tight junction proteins and increase the expression levels of Caspase-3 and the ratio of Bax/Bcl-2, suggesting that AFB1 was cytotoxic to IPEC-J2. In vivo, the ratio of villus height to crypt depth, the intestinal wall thickness, the number of intestinal villus per 1000 µm in the jejunum, the expression levels of ZO-1, Claudin-3, Occludin, MUC2, and Caspase-3, and the ratio of Bax/Bcl-2 were significantly affected in mice exposed to AFB1. In vitro and in vivo results showed that the effects of exposure to AFB1 on the intestinal function in the jejunum of KM mice and in the IPEC-J2 was similar, suggesting that AFB1 may adversely affect animal intestine.
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Affiliation(s)
- Man Zhang
- College of Veterinary Medicine, Henan University of Animal Husbandry and Economy, Zhengzhou 450046, Henan, China
| | - Qinghao Li
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou 450046, Henan, China
| | - Jun Wang
- College of Veterinary Medicine, Henan University of Animal Husbandry and Economy, Zhengzhou 450046, Henan, China
| | - Juan Sun
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou 450046, Henan, China
| | - Yuqiang Xiang
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou 450046, Henan, China
| | - Xin Jin
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou 450046, Henan, China.
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Hou L, Qiu H, Li A, Dong J, Zhu L, Liu G, Chen F. Effects of aflatoxin B1 on growth performance, antioxidant status, immune response, and pro-inflammatory cytokine mRNA expression in ISA chicks. Front Vet Sci 2022; 9:993039. [PMID: 36176699 PMCID: PMC9513573 DOI: 10.3389/fvets.2022.993039] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Accepted: 08/05/2022] [Indexed: 11/24/2022] Open
Abstract
The research evaluated the effects of Aflatoxin B1 on growth performance, antioxidant status, immune response, and pro-inflammatory cytokine mRNA expression in ISA chicks. In total, 240 7-day-old ISA chicks were randomly assigned to four treatment groups. The control group comprised chicks fed a basal diet. The aflatoxin (AFB1)-treatment groups (T1, T2, and T3) comprised chicks fed the basal diet supplemented with AFB1 at concentrations of 5, 8, and 10 μg/kg, respectively. The growth performance, antioxidant status, immune responses, and pro-inflammatory cytokine mRNA expression in all groups were measured. In the T1 treatment group (receiving the lowest AFB1 dose), a reduction in the Newcastle disease virus antibody (NDV-Ab) titer, and increases in interleukin 2 (IL-2), IL-6, and interferon γ (IFN-γ) mRNA levels were observed on days 21 and 42 (P < 0.05). Treatment with the higher AFB1 doses (groups T2 and T3) reduced the chicks' growth performance on days 21 and 42, measured as reductions in body weight (BW) and average daily gain (ADG) compared with the control group. In the T2 and T3 groups, the total antioxidant capacity (T-AOC), glutathione peroxidase (GPX) and superoxide dismutase (SOD) activities, serum immunoglobulin A (IgA) and IgG levels, and IL-2, IL-6, and IFN-γ levels were also lower than in the control group. On days 21 and 42, these two groups also showed increased malondialdehyde (MDA) content, higher feed to gain ratio (F/G), and higher IL-2, IL-6, and IFN-γ mRNA levels than the control group (P < 0.05). The T2 and T3 groups also showed reduced T-AOC, NDV-Ab titer, IL-2 content, and GPx-1 mRNA levels on days 21 and 42 (P < 0.05), increased IL-6 and IFN-γ mRNA levels on day 21, and increased F/G and MDA content on day 42 (P < 0.05) compared with group (T1). Increased MDA content and IL-6 mRNA levels in the liver and ileum were observed in group T3 compared with group T2 on day 21, and lower IgM and IL-6 levels were observed on days 21 and 42 (P < 0.05). In conclusion, our data showed that AFB1 exposure resulted in dose-dependent oxidative and inflammatory damage, immunosuppression, and a decline in the growth performance of chicks.
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Affiliation(s)
- Lele Hou
- Institute of Nutrition Metabolic Disease and Poisoning Disease in Animals, Qingdao Agricultural University, Qingdao, China
| | - Huiling Qiu
- Institute of Nutrition Metabolic Disease in Animals, Haidu College, Qingdao Agricultural, University, Laiyang, China
| | - Anping Li
- Key Laboratory of Zoonosis, Ministry of Education, College of Veterinary Medicine, Jilin University, Changchun, China
| | - Jihong Dong
- Institute of Nutrition Metabolic Disease and Poisoning Disease in Animals, Qingdao Agricultural University, Qingdao, China
| | - Lianqin Zhu
- Institute of Nutrition Metabolic Disease and Poisoning Disease in Animals, Qingdao Agricultural University, Qingdao, China
| | - Guowen Liu
- Key Laboratory of Zoonosis, Ministry of Education, College of Veterinary Medicine, Jilin University, Changchun, China
| | - Fu Chen
- Institute of Nutrition Metabolic Disease and Poisoning Disease in Animals, Qingdao Agricultural University, Qingdao, China
- *Correspondence: Fu Chen
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Modulatory Effects of Arctostaphylos uva-urs Extract In Ovo Injected into Broiler Embryos Contaminated by Aflatoxin B1. Animals (Basel) 2022; 12:ani12162042. [PMID: 36009632 PMCID: PMC9404454 DOI: 10.3390/ani12162042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2022] [Revised: 08/06/2022] [Accepted: 08/09/2022] [Indexed: 11/17/2022] Open
Abstract
In ovo injection of nutrients can modulate the embryo’s physiological responses against aflatoxin B1 (AFB1) embryotoxicity. This hypothesis was tested using in ovo injection of Arctostaphylos uva-ursi (Ar. uu.) methanolic extract. The total polyphenols, total flavonoids, total antioxidant capacity, and GC-MS analysis were all assessed in the Ar. uu. methanolic extract. A total of 180 ten-day-old embryonated eggs were distributed into six groups of 30 replicates each. The first group was used as a control (non-injected), and the second, third, fourth, fifth, and sixth groups were injected with 10 µ double-distilled water (DDW), 500 µL methanol, 0.01 g Ar. uu./500 µL methanol, 50 ng AFB1/10 µL DDW, and 50 ng AFB1 in 10 µ DDW + 0.01 g Ar. uu./500 µL methanol, respectively. The relative embryo weight, residual yolk sac weight, tibia length and weight, and survival were recorded. Total and differential leukocytes, oxidative stress, and humoral immune responses were observed. The residual yolk sac was lower (p < 0.05) in the Ar. uu. group than other groups. The embryonic growth (tibia weight and length) was enhanced in AFB1 + Ar. uu.-injected embryos compared with those injected with AFB1 alone. In conclusion, in ovo injection of Arctostaphylos uva-ursi could modulate AFB1-induced toxicity in chicken embryos.
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Wang L, Jing L, Zhang Q, Li S, Wang Y, Zhao H. Lead induced thymic immunosuppression in Japanese quail (Coturnix japonica) via oxidative stress-based T cell receptor pathway signaling inhibition. J Inorg Biochem 2022; 235:111950. [DOI: 10.1016/j.jinorgbio.2022.111950] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2022] [Revised: 07/24/2022] [Accepted: 07/26/2022] [Indexed: 11/28/2022]
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Thiendedsakul P, Santativongchai P, Boonsoongnern P, Yodsheewan R, Tulayakul P. Glutathione-S-transferase activity in various organs of Crocodylus siamensis and its attenuation role in aflatoxin B1-induced cell apoptosis in human hepatocarcinoma cells. Vet World 2022; 15:46-54. [PMID: 35369592 PMCID: PMC8924382 DOI: 10.14202/vetworld.2022.46-54] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Accepted: 12/13/2021] [Indexed: 12/02/2022] Open
Abstract
Background and Aim: The crocodile is a model for studying relevant sources of environmental contamination. They were determined an appropriate biomonitoring species for various toxins. The cytosolic and microsomal fraction of crocodiles plays a role in detoxifying xenobiotics. Cytochrome P450 1A2 (CYP1A2) metabolizes aflatoxin B1 (AFB1) to aflatoxin M1, while glutathione-S-transferase (GST) catalyzes carcinogenic agents. This study aimed to investigate the GST activity in various organs of Crocodylus siamensis. Further, the fate of microsomal and cytosolic fractions from various crocodile organs against AFB1-induced apoptosis in human hepatocarcinoma (HepG2) cells was investigated. Materials and Methods: The liver, lungs, intestines, and kidneys tissues from a 3-year-old crocodile (C. siamensis) (n=5) were collected. The cytosolic and microsomal fraction of all tissues was extracted, and protein concentrations were measured with a spectrophotometer. Subsequently, a comparison of GST activity from various organs was carried out by spectrophotometry, and the protective effects of CYP450 and GST activity from various crocodile organs were studied. In vitro AFB1-induced apoptosis in HepG2 cells was detected by reverse transcription-quantitative polymerase chain reaction. Comparisons between the metabolisms of the detoxification enzyme in organs were tested using the Kruskal–Wallis one-way analysis of variance and Dunn’s multiple comparison tests. All kinetic parameters were analyzed using GraphPad Prism software version 5.01 (GraphPad Software Inc., San Diego, USA). Results: Total GST activity in the liver was significantly higher than in the kidneys, intestines, and lungs (p<0.05, respectively). The highest GST pi (GSTP) activity was found in the liver, while the highest GST alpha-isoform activity was in the crocodile lung. The kinetics of total GST and GST mu activity in the liver had the highest velocity compared to other organs. In contrast, the kinetics of GSTP enzyme activity was the highest in the intestine. The in vitro study of microsome and cytosol extract against apoptosis induced by AFB1 revealed that the level of messenger RNA expression of the Bax and Bad genes of HepG2 cells decreased in the treatment group in a combination of cytosolic and microsomal fractions of the crocodile liver but not for Bcl-2. Interestingly, the downregulated expression of Bax and Bad genes was also found in the microsome and cytosol of crocodile kidneys. Conclusion: The crocodile liver revealed very effective GST activity and expression of the highest kinetic velocity compared to other organs. The combination of liver microsomal and cytosolic fractions could be used to prevent cell apoptosis induced by AFB1. However, further study of the molecular approaches to enzyme activity and apoptosis prevention mechanisms should be carried out.
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Affiliation(s)
- Piriyaporn Thiendedsakul
- Department of Animal Health and Biomedical Sciences, Faculty of Veterinary Medicine, Kasetsart University, Bangkok 10900, Thailand
| | - Pitchaya Santativongchai
- Bio-Veterinary Science (International Program), Faculty of Veterinary Medicine, Kasetsart University, Bangkok 10900, Thailand
| | - Prapassorn Boonsoongnern
- Department of Anatomy, Faculty of Veterinary Medicine, Kasetsart University, Bangkok 10900, Thailand
| | - Rungrueang Yodsheewan
- Department of Pathology, Faculty of Veterinary Medicine, Kasetsart University, Bangkok 10900, Thailand
| | - Phitsanu Tulayakul
- Department of Veterinary Public Health, Faculty of Veterinary Medicine, Kasetsart University, Kamphaeng Saen Campus, Nakhon Pathom 73140, Thailand
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Kurup AH, Patras A, Pendyala B, Vergne MJ, Bansode RR. Evaluation of Ultraviolet-Light (UV-A) Emitting Diodes Technology on the Reduction of Spiked Aflatoxin B1 and Aflatoxin M1 in Whole Milk. FOOD BIOPROCESS TECH 2022. [DOI: 10.1007/s11947-021-02731-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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12
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In vitro and in vivo evaluation of AFB1 and OTA-toxicity through immunofluorescence and flow cytometry techniques: A systematic review. Food Chem Toxicol 2021; 160:112798. [PMID: 34973406 DOI: 10.1016/j.fct.2021.112798] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Revised: 12/03/2021] [Accepted: 12/24/2021] [Indexed: 01/20/2023]
Abstract
Due to the globalization, mycotoxins have been considered a major risk to human health being the main contaminants of foodstuffs. Among them, AFB1 and OTA are the most toxic and studied. Therefore, the goal of this review is to deepen the knowledge about the toxicological effects that AFB1 and OTA can induce on human health by using flow cytometry and immunofluorescence techniques in vitro and in vivo models. The examination of the selected reports shows that the majority of them are focused on immunotoxicity while the rest are concerned about nephrotoxicity, hepatotoxicity, gastrointestinal toxicity, neurotoxicity, embryotoxicity, reproductive system, breast, esophageal and lung toxicity. In relation to immunofluorescence analysis, biological processes related to AFB1- and OTA-toxicity were evaluated such as inflammation, neuronal differentiation, DNA damage, oxidative stress and cell death. In flow cytometry analysis, a wide range of assays have been performed across the reviewed studies being apoptosis assay, cell cycle analysis and intracellular ROS measurement the most employed. Although, the toxic effects of AFB1 and OTA have been reported, further research is needed to clarify AFB1 and OTA-mechanism of action on human health.
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13
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Abdel-Wahhab MA, El-Nekeety AA, Mohammed HE, El-Messery TM, Roby MH, Abdel-Aziem SH, Hassan NS. Synthesis of encapsulated fish oil using whey protein isolate to prevent the oxidative damage and cytotoxicity of titanium dioxide nanoparticles in rats. Heliyon 2021; 7:e08456. [PMID: 34901503 PMCID: PMC8640477 DOI: 10.1016/j.heliyon.2021.e08456] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Revised: 10/30/2021] [Accepted: 11/18/2021] [Indexed: 12/27/2022] Open
Abstract
Fish oil exhibited several beneficial effects on human health; however, its applications face several challenges such as its effects on the organoleptic properties of food and its susceptibility to oxidation. Titanium dioxide NPs (TiO2-NPs) are utilized widely in pharmaceutical and food applications although there are some reports about their oxidative damage to living organisms. The current work was undertaken to identify fatty acids content in mullet fish oil, encapsulation, and characterization of the oil, and to assess the protective efficiency of the encapsulated mullet fish oil (EMFO) against the oxidative damage and genotoxicity of TiO2-NPs in rats. Sixty female Sprague-Dawley rats were distributed to 6 groups and treated for 21 days included the control group; TiO2-NPs-treated group (50 mg/kg b.w); the groups treated with EMFO (50 or 100 mg/kg b.w) and the groups received TiO2-NPs plus EMFO at the low or high dose. Samples of blood, liver, and kidney were taken for different assays and histological studies. The GC-FID analysis showed that a total of 14 different fatty acids were found in Mullet fish oil included 41.4% polyunsaturated fatty acids (PUFAs), 31.1% monounsaturated fatty acids (MUFAs), and 25.1% saturated fatty acids (SFAs). The structure of EMFO was spherical with an average diameter of 234.5 nm and a zeta potential of -6.24 mV and was stable up to 10 days at 25 °C with EE of 81.08%. The PV of EMFO was decreased at 5 days then increased at 15 days; however, TBARS was increased throughout the storage time over 15 days. The biological evaluation showed that TiO2-NPs disturb the hepato-nephro functions, lipid profile, inflammatory cytokines, oxidative stress markers, antioxidant enzymes activity, and their corresponding gene expression along with severe pathological alterations in both hepatic and renal tissue. Co-administration of EMFO induced a strong antioxidant role, and the high level could normalize the majority of the parameters tested and the histological picture of the hepatic and renal tissues. These results pointed out that the encapsulation technology enhances the protective role of EMFO against oxidative stress and genotoxicity of TiO2-NPs through the prevention of ω-3 PUFAs oxidation and controlling their release.
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Affiliation(s)
- Mosaad A. Abdel-Wahhab
- Food Toxicology & Contaminants Department, National Research Centre, Dokki, Cairo, Egypt
- Corresponding author.
| | - Aziza A. El-Nekeety
- Food Toxicology & Contaminants Department, National Research Centre, Dokki, Cairo, Egypt
| | - Hagar E. Mohammed
- Zoology Department, Faculty of Science, Al-Arish University, Al-Arish, Egypt
| | | | - Mohamed H. Roby
- Food Science and Technology Department, Faculty of Agriculture, Fayoum University, Fayoum, Egypt
| | | | - Nabila S. Hassan
- Pathology Department, National Research Centre, Dokki, Cairo, Egypt
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14
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He HQ, Qu YQ, Kwan Law BY, Qiu CL, Han Y, Ricardo de Seabra Rodrigues Dias I, Liu Y, Zhang J, Wu AG, Wu CW, Fai Mok SW, Cheng X, He YZ, Wai Wong VK. AGEs-Induced Calcification and Apoptosis in Human Vascular Smooth Muscle Cells Is Reversed by Inhibition of Autophagy. Front Pharmacol 2021; 12:692431. [PMID: 34744705 PMCID: PMC8564286 DOI: 10.3389/fphar.2021.692431] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Accepted: 09/29/2021] [Indexed: 01/03/2023] Open
Abstract
Vascular calcification (VC) in macrovascular and peripheral blood vessels is one of the main factors leading to diabetes mellitus (DM) and death. Apart from the induction of vascular calcification, advanced glycation end products (AGEs) have also been reported to modulate autophagy and apoptosis in DM. Autophagy plays a role in maintaining the stabilization of the external and internal microenvironment. This process is vital for regulating arteriosclerosis. However, the internal mechanisms of this pathogenic process are still unclear. Besides, the relationship among autophagy, apoptosis, and calcification in HASMCs upon AGEs exposure has not been reported in detail. In this study, we established a calcification model of SMC through the intervention of AGEs. It was found that the calcification was upregulated in AGEs treated HASMCs when autophagy and apoptosis were activated. In the country, AGEs-activated calcification and apoptosis were suppressed in Atg7 knockout cells or pretreated with wortmannin (WM), an autophagy inhibitor. These results provide new insights to conduct further investigations on the potential clinical applications for autophagy inhibitors in the treatment of diabetes-related vascular calcification.
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Affiliation(s)
- Hu-Qiang He
- Dr. Neher's Biophysics Laboratory for Innovative Drug Discovery, State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Macau, China.,Department of Vascular Surgery, Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Yuan-Qing Qu
- Dr. Neher's Biophysics Laboratory for Innovative Drug Discovery, State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Macau, China
| | - Betty Yuen Kwan Law
- Dr. Neher's Biophysics Laboratory for Innovative Drug Discovery, State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Macau, China.,Guangdong-Hong Kong-Macau Joint Lab on Chinese Medicine and Immune Disease Research, Macau, China
| | - Cong-Ling Qiu
- Dr. Neher's Biophysics Laboratory for Innovative Drug Discovery, State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Macau, China
| | - Yu Han
- Dr. Neher's Biophysics Laboratory for Innovative Drug Discovery, State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Macau, China
| | - Ivo Ricardo de Seabra Rodrigues Dias
- Dr. Neher's Biophysics Laboratory for Innovative Drug Discovery, State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Macau, China
| | - Yong Liu
- Department of Vascular Surgery, Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Jie Zhang
- Department of Nuclear Medicine, Affiliated Hospital of Southwest Medical University, Luzhou, China.,Nuclear Medicine and Molecular Imaging Key Laboratory of Sichuan Province, Luzhou, China
| | - An-Guo Wu
- Laboratory of Chinese Materia Medical, School of Pharmacy, Southwest Medical University, Luzhou, China.,Institute of Cardiovascular Research, The Key Laboratory of Medical Electrophysiology, Collaborative Innovation Center for Prevention and Treatment of Cardiovascular Disease of Sichuan Province, Southwest Medical University, Luzhou, China
| | - Cheng-Wen Wu
- Department of Vascular Surgery, Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Simon Wing Fai Mok
- Dr. Neher's Biophysics Laboratory for Innovative Drug Discovery, State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Macau, China
| | - Xin Cheng
- Department of Vascular Surgery, Affiliated Hospital of Southwest Medical University, Luzhou, China.,Affiliated Hospital of Ya'an Polytechnic College, Ya'an, China
| | - Yan-Zheng He
- Department of Vascular Surgery, Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Vincent Kam Wai Wong
- Dr. Neher's Biophysics Laboratory for Innovative Drug Discovery, State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Macau, China.,Guangdong-Hong Kong-Macau Joint Lab on Chinese Medicine and Immune Disease Research, Macau, China
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15
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Abdel-Wahhab MA, El-Nekeety AA, Mohammed HE, Elshafey OI, Abdel-Aziem SH, Hassan NS. Elimination of oxidative stress and genotoxicity of biosynthesized titanium dioxide nanoparticles in rats via supplementation with whey protein-coated thyme essential oil. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:57640-57656. [PMID: 34089164 DOI: 10.1007/s11356-021-14723-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/05/2021] [Accepted: 05/31/2021] [Indexed: 06/12/2023]
Abstract
The green synthesis of metal nanoparticles is growing dramatically; however, the toxicity of these biosynthesized particles against living organisms is not fully explored. Therefore, this study was designed to synthesize and characterize TiO2-NPs, encapsulation and characterization thyme essential oil (ETEO), and determination of the bioactive constituents of ETEO using GC-MS and evaluate their protective role against TiO2-NPs-induced oxidative damage and genotoxicity in rats. Six groups of rats were treated orally for 30 days including the control group, TiO2-NPs (300 mg/kg b.w)-treated group, ETEO at low (50 mg/kg b.w) or high dose (100 mg/kg b.w)-treated groups, and TiO2-NPs plus ETEO at the two doses-treated groups. Blood and tissues were collected for different assays. The GC-MS results indicated the presence of 21 compounds belonging to phenols, terpene derivatives, and heterocyclic compounds. The synthesized TiO2-NPs were 45 nm tetragonal particles with a zeta potential of -27.34 mV; however, ETEO were 119 nm round particles with a zeta potential of -28.33 mV. TiO2-NPs administration disturbs the liver and kidney markers, lipid profile, cytokines, oxidative stress parameters, the apoptotic and antioxidant hepatic mRNA expression, and induced histological alterations in the liver and kidney tissues. ETEO could improve all these parameters in a dose-dependent manner. It could be concluded that ETEO is a promising candidate for the protection against TiO2-NPs and can be applied safely in food applications.
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Affiliation(s)
- Mosaad A Abdel-Wahhab
- Food Toxicology & Contaminants Department, National Research Centre, Dokki, Cairo, Egypt.
| | - Aziza A El-Nekeety
- Food Toxicology & Contaminants Department, National Research Centre, Dokki, Cairo, Egypt
| | - Hagar E Mohammed
- Zoology Department, Faculty of Science, Arish University, Arish, Egypt
| | - Ola I Elshafey
- Physical Chemistry Department, National Research Centre, Dokki, Cairo, Egypt
| | | | - Nabila S Hassan
- Pathology Department, National Research Centre, Dokki, Cairo, Egypt
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16
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Song X, Li J, Jiao M, Chen Y, Pan K. Effect of endoplasmic reticulum stress-induced apoptosis in the role of periodontitis on vascular calcification in a rat model. J Mol Histol 2021; 52:1097-1104. [PMID: 34480678 DOI: 10.1007/s10735-021-10015-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2021] [Accepted: 08/23/2021] [Indexed: 11/29/2022]
Abstract
The present study aimed to investigate the mechanism(s) through which endoplasmic reticulum stress (ERS)-induced apoptosis, in the role of periodontitis, affects vascular calcification. Rat models of periodontitis, vascular calcification, periodontitis-vascular calcification, and a normal group were established. Cardiovascular tissues were obtained, and hematoxylin-eosin staining was applied to demonstrate the morphological changes in vascular tissues. Immunohistochemical staining was applied to analyze apoptosis in cardiovascular tissues. The expression levels of apoptotic factor cysteinyl aspartate specific proteinase 3 (Caspase-3), ERS-induced apoptotic factors glucose-regulated protein 78 (GRP78), 94 (GRP94), and ERS-induced apoptosis pathways Caspase-12, C/EBP homologous protein (CHOP), and c-Jun N-terminal kinase (JNK) were analyzed and compared. Hematoxylin-eosin staining revealed that the arterial layers in the normal group were structurally intact. The structural damage to the aortic wall gradually aggravated from the periodontitis group to the vascular calcification group to the combined group. The immunohistochemistry results showed Caspase-3, GRP78, GRP94, and ERS-induced apoptosis pathways in the cardiovascular tissues cells in the periodontitis group, vascular calcification group, and combined group. The Caspase-3, GRP78, GRP94, and CHOP expression levels in the combined group were significantly higher than that in the normal group (P < 0.05); however, the Capase-12 and JNK expression levels in the four groups exhibited no significant differences (P > 0.05). Apoptosis induced by ERS is involved in the effect of periodontitis on vascular calcification and might be mainly achieved through the activation of the CHOP transcription pathway.
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Affiliation(s)
- Xin Song
- Department of Stomatology, The Affiliated Hospital of Qingdao University, Qingdao, 266003, China
- School of Stomatology of Qingdao University, Qingdao, 266003, China
| | - Jing Li
- Department of Stomatology, The Affiliated Hospital of Qingdao University, Qingdao, 266003, China
- School of Stomatology of Qingdao University, Qingdao, 266003, China
| | - Mengyu Jiao
- Department of Stomatology, The Affiliated Hospital of Qingdao University, Qingdao, 266003, China
- School of Stomatology of Qingdao University, Qingdao, 266003, China
| | - Yanqing Chen
- Department of Stomatology, Women and Children's Hospital, School of Medicine, Xiamen University, Xiamen, 361003, China
| | - Keqing Pan
- Department of Stomatology, The Affiliated Hospital of Qingdao University, Qingdao, 266003, China.
- School of Stomatology of Qingdao University, Qingdao, 266003, China.
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17
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Rajput SA, Shaukat A, Wu K, Rajput IR, Baloch DM, Akhtar RW, Raza MA, Najda A, Rafał P, Albrakati A, El-Kott AF, Abdel-Daim MM. Luteolin Alleviates AflatoxinB 1-Induced Apoptosis and Oxidative Stress in the Liver of Mice through Activation of Nrf2 Signaling Pathway. Antioxidants (Basel) 2021; 10:antiox10081268. [PMID: 34439516 PMCID: PMC8389199 DOI: 10.3390/antiox10081268] [Citation(s) in RCA: 52] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2021] [Revised: 07/31/2021] [Accepted: 08/02/2021] [Indexed: 02/08/2023] Open
Abstract
Aflatoxin B1 (AFB1), a threatening mycotoxin, usually provokes oxidative stress and causes hepatotoxicity in animals and humans. Luteolin (LUTN), well-known as an active phytochemical agent, acts as a strong antioxidant. This research was designed to investigate whether LUTN exerts protective effects against AFB1-induced hepatotoxicity and explore the possible molecular mechanism in mice. A total of forty-eight mice were randomly allocated following four treatment groups (n = 12): Group 1, physiological saline (CON). Group 2, treated with 0.75 mg/kg BW aflatoxin B1 (AFB1). Group 3, treated with 50 mg/kg BW luteolin (LUTN), and Group 4, treated with 0.75 mg/kg BW aflatoxin B1 + 50 mg/kg BW luteolin (AFB1 + LUTN). Our findings revealed that LUTN treatment significantly alleviated growth retardation and rescued liver injury by relieving the pathological and serum biochemical alterations (ALT, AST, ALP, and GGT) under AFB1 exposure. LUTN ameliorated AFB1-induced oxidative stress by scavenging ROS and MDA accumulation and boosting the capacity of the antioxidant enzyme (CAT, T-SOD, GSH-Px and T-AOC). Moreover, LUTN treatment considerably attenuates the AFB1-induced apoptosis in mouse liver, as demonstrated by declined apoptotic cells percentage, decreased Bax, Cyt-c, caspase-3 and caspase-9 transcription and protein with increased Bcl-2 expression. Notably, administration of LUTN up-regulated the Nrf2 and its associated downstream molecules (HO-1, NQO1, GCLC, SOD1) at mRNA and protein levels under AFB1 exposure. Our results indicated that LUTN effectively alleviated AFB1-induced liver injury, and the underlying mechanisms were associated with the activation of the Nrf2 signaling pathway. Taken together, LUTN may serve as a potential mitigator against AFB1-induced liver injury and could be helpful for the development of novel treatment to combat liver diseases in humans and/or animals.
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Affiliation(s)
- Shahid Ali Rajput
- Department of Animal Nutrition and Feed Sciences, College of Animal Science, South China Agricultural University, Guangzhou 540642, China
- Correspondence: or ; Tel.: +86-158-2763-4435
| | - Aftab Shaukat
- National Center for International Research on Animal Genetics, Breeding and Reproduction (NCIRAGBR), Huazhong Agricultural University, Wuhan 430070, China;
| | - Kuntan Wu
- Department of Animal Nutrition and Feed Science, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan 430070, China;
| | - Imran Rashid Rajput
- Faculty of Veterinary and Animal Science, Lasbela University of Agriculture Water and Marine Science, Uthal 89250, Pakistan;
| | - Dost Muhammad Baloch
- Department of Biotechnology, Lasbela University of Agriculture Water and Marine Science, Uthal 89250, Pakistan;
| | - Rana Waseem Akhtar
- Faculty of Veterinary and Animal Sciences, Muhammad Nawaz Shareef University of Agriculture, Multan 66000, Pakistan; (R.W.A.); (M.A.R.)
| | - Muhammad Asif Raza
- Faculty of Veterinary and Animal Sciences, Muhammad Nawaz Shareef University of Agriculture, Multan 66000, Pakistan; (R.W.A.); (M.A.R.)
| | - Agnieszka Najda
- Department of Vegetable Crops and Medicinal Plants, University of Life Sciences in Lublin, 50A Doświadczalna Street, 20-280 Lublin, Poland; (A.N.); (P.R.)
| | - Papliński Rafał
- Department of Vegetable Crops and Medicinal Plants, University of Life Sciences in Lublin, 50A Doświadczalna Street, 20-280 Lublin, Poland; (A.N.); (P.R.)
| | - Ashraf Albrakati
- Department of Human Anatomy, College of Medicine, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia;
| | - Attalla F. El-Kott
- Biology Department, Faculty of Science, King Khalid University, Abha 61421, Saudi Arabia;
- Zoology Department, College of Science, Damanhour University, Damanhour 22511, Egypt
| | - Mohamed M. Abdel-Daim
- Department of Pharmaceutical Sciences, Pharmacy Program, Batterjee Medical College, P.O. Box 6231, Jeddah 21442, Saudi Arabia;
- Pharmacology Department, Faculty of Veterinary Medicine, Suez Canal University, Ismailia 41522, Egypt
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18
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Tang J, Chen R, Wang L, Yu L, Zuo D, Cui G, Gong X. Melatonin Attenuates Thrombin-induced Inflammation in BV2 Cells and Then Protects HT22 Cells from Apoptosis. Inflammation 2021; 43:1959-1970. [PMID: 32705396 DOI: 10.1007/s10753-020-01270-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Increasing evidence has revealed that the uncontrolled thrombin-induced inflammation following intracerebral hemorrhage (ICH) plays a key role in ICH. Oxidative stress and neuroinflammatory responses are interdependent and bidirectional events. Melatonin is now recognized as an antioxidant and a free radical scavenger due to its roles in various physiological and pathological processes. The aim of this study was to explore the molecular mechanisms underlying the effects of melatonin on thrombin-induced microglial inflammation and its indirect protection of HT22 cells from p53-associated apoptosis. Melatonin treatment attenuated the expression of IL-1β, IL-18, cleaved caspase-1, and NLRP3 and decreased the production of reactive oxygen species (ROS), revealing its inhibitory effects against ROS-NLRP3 inflammasome activation. In further experiments investigating the protection conferred by melatonin, incubating HT22 cells with conditioned medium (CM) from thrombin-stimulated microglia induced HT22 cell apoptosis, and this effect was reversed after treating CM with either melatonin or N-acetyl-L-cysteine (NAC). Additionally, the Bax/Bcl-2 ratio and the levels of cleaved caspase-3 and p53 were markedly lower in the cells cultured in thrombin + melatonin-CM than in the cells cultured in thrombin-CM. Furthermore, the levels of MMP, ROS, SOD, MDA, and GSH-PX in bystander HT22 cells suggested that melatonin decreased HT22 cell apoptosis instigated via the p53-associated apoptotic pathway. Therefore, these findings strongly indicate the anti-inflammatory properties of melatonin that may suppress ROS-NLRP3 inflammasome activation and protect HT22 cells against apoptosis by inhibiting the ROS-mediated p53-dependent mitochondrial apoptotic pathway.
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Affiliation(s)
- Jiao Tang
- Department of Neurology, Yan Cheng City No.1 People's Hospital, Yancheng, Jiangsu Province, China
| | - Rui Chen
- Department of Neurology, The Second People's Hospital of Huai'an and The Affiliated Huai'an Hospital of Xuzhou Medical University, Huai'an, Jiangsu Province, China
| | - Lingling Wang
- Department of Hematology, Yan Cheng City No.1 People's Hospital, Yancheng, Jiangsu Province, China
| | - Lu Yu
- Department of Neurology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, Jiangsu Province, China
| | - Dandan Zuo
- Department of Neurology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, Jiangsu Province, China
| | - Guiyun Cui
- Department of Neurology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, Jiangsu Province, China.
| | - Xiaoqian Gong
- Department of Neurology, Yan Cheng City No.1 People's Hospital, Yancheng, Jiangsu Province, China.
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19
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Liu Y, Mao H, Woldemariam Yohannes K, Wan Z, Cao Y, Tron T, Lin J, Jiang Y, Li H, Wang J. Degradation of aflatoxin B 1 by a recombinant laccase from Trametes sp. C30 expressed in Saccharomyces cerevisiae: A mechanism assessment study in vitro and in vivo. Food Res Int 2021; 145:110418. [PMID: 34112421 DOI: 10.1016/j.foodres.2021.110418] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 04/06/2021] [Accepted: 05/11/2021] [Indexed: 12/21/2022]
Abstract
Aflatoxin B1 (AFB1) is the most harmful mycotoxin and presents risks to human health. Utilization of enzyme to degrade AFB1 is a promising strategy to overcome this problem. In this study, we evaluated the effect of recombinant laccase expressed in Saccharomyces cerevisiae on the degradation of AFB1. It was found that AFB1 could be degraded effectively by laccase up to 91%.The results of ultra-performance liquid chromatography-tandem mass spectrometry (UPLC-MS) showed that there were four main degradation products of AFB1 including C16H22O4, C14H16N2O2, C7H12N6O and C24H30O6. Two possible degradation pathways were proposed: 1) AFB1 lost -CO continuously, and then double bonds of furan ring were broken after reactions with H2O, H+, and -NH2; 2) AFB1 occurred decarbonylation reaction after losing -CO and double bonds were broken by additional reaction with H+. Two toxicological activity sites in AFB1, including a double bond of furo-furan ring and lactone ring in the coumarin in moiety, were destroyed. The toxicity of AFB1 degradation products was evaluated on HepG2 cells and in vivo tests, and the results indicated a decrease in hepatocytes apoptosis, liver and kidney histopathological lesions, oxidative stress, and inflammation as compared to non-laccase degraded AFB1. Moreover, the AFB1 degradation products significantly decreased the cytotoxicity and hepatotoxicity. This investigation provides innovative evidence on the effectiveness of laccase expressed in Saccharomyces cerevisiae in detoxifying AFB1.
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Affiliation(s)
- Yingli Liu
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, China-Canada Joint Lab of Food Nutrition and Health (Beijing), Beijing Engineering and Technology Research Center of Food Additives, Beijing Technology and Business University (BTBU), 11 Fucheng Road, Beijing 100048, China
| | - Huijia Mao
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, China-Canada Joint Lab of Food Nutrition and Health (Beijing), Beijing Engineering and Technology Research Center of Food Additives, Beijing Technology and Business University (BTBU), 11 Fucheng Road, Beijing 100048, China
| | - Kalekristos Woldemariam Yohannes
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, China-Canada Joint Lab of Food Nutrition and Health (Beijing), Beijing Engineering and Technology Research Center of Food Additives, Beijing Technology and Business University (BTBU), 11 Fucheng Road, Beijing 100048, China
| | - Zhen Wan
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, China-Canada Joint Lab of Food Nutrition and Health (Beijing), Beijing Engineering and Technology Research Center of Food Additives, Beijing Technology and Business University (BTBU), 11 Fucheng Road, Beijing 100048, China
| | - Yating Cao
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, China-Canada Joint Lab of Food Nutrition and Health (Beijing), Beijing Engineering and Technology Research Center of Food Additives, Beijing Technology and Business University (BTBU), 11 Fucheng Road, Beijing 100048, China
| | - Thierry Tron
- Aix Marseille Université, Centrale Marseille, CNRS, iSm2 UMR 7313, 13397, Marseille, France
| | - Junfang Lin
- College of Food Science & Institute of Food Biotechnology, South China Agriculture University, Guangzhou 510640, China
| | - Yixuan Jiang
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, China-Canada Joint Lab of Food Nutrition and Health (Beijing), Beijing Engineering and Technology Research Center of Food Additives, Beijing Technology and Business University (BTBU), 11 Fucheng Road, Beijing 100048, China
| | - Hongyan Li
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, China-Canada Joint Lab of Food Nutrition and Health (Beijing), Beijing Engineering and Technology Research Center of Food Additives, Beijing Technology and Business University (BTBU), 11 Fucheng Road, Beijing 100048, China
| | - Jing Wang
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, China-Canada Joint Lab of Food Nutrition and Health (Beijing), Beijing Engineering and Technology Research Center of Food Additives, Beijing Technology and Business University (BTBU), 11 Fucheng Road, Beijing 100048, China.
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20
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Tian H, Hou L, Xiong Y, Cheng Q. Dexmedetomidine upregulates microRNA-185 to suppress ovarian cancer growth via inhibiting the SOX9/Wnt/β-catenin signaling pathway. Cell Cycle 2021; 20:765-780. [PMID: 33818283 PMCID: PMC8098064 DOI: 10.1080/15384101.2021.1897270] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2020] [Revised: 02/18/2021] [Accepted: 02/25/2021] [Indexed: 01/10/2023] Open
Abstract
Dexmedetomidine (DEX) could serve as an adjuvant analgesic during cancer therapies. Abnormal expression of microRNAs (miRNAs) could lead to cancer development. This study was aimed to explore the roles of DEX in ovarian cancer (OC) development. OC cell lines SKOV3 and HO-8910 were treated with DEX, after which OC development and the miR-185, SOX9, and Wnt/β-catenin pathway were measured. DEX-treated HO-8910 cells were transfected with miR-185 mimic, miR-185 antisense or miR-185 antisense + silenced SOX9 to further measure the OC cell growth. The target relation between miR-185 and SOX9 was identified, and SOX9 and Wnt/β-catenin pathway were protein levels detected after miR-185 transfection. The role of miR-185 in OC in vivo was also measured. Our study found DEX had a dose-dependent inhibition on OC growth, and DEX promoted miR-185 but suppressed SOX9 expression in OC cells. miR-185 targeted SOX9. After interfering with miR-185 expression, HO-8910 cell proliferation, invasion, migration, and apoptosis were affected. SOX9 knockdown repressed OC development and Wnt/β-catenin pathway. The volume, weight, positive rate of Ki67, CyclinD1, p53 and the degree of tumor necrosis were affected by miR-185 expression. This study demonstrated that DEX could inhibit OC development via upregulating miR-185 expression and inactivating the SOX9/Wnt/β-catenin signaling pathway.
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Affiliation(s)
- Hang Tian
- Department of Anesthesiology, Guangzhou Women and Children’s Medical Center, Guangzhou Medical University, Guangdong, P.R. China
| | - Lei Hou
- Department of Anesthesiology, Shanxi Provincial Cancer Hospital, Taiyuan, Shanxi, P.R. China
| | - Yumei Xiong
- Department of Pediatric Emergency, Guangzhou Women and Children’s Medical Center, Guangzhou Medical University, Guangdong, P.R. China
| | - Qiuju Cheng
- Department of Anesthesiology, Guangzhou Women and Children’s Medical Center, Guangzhou Medical University, Guangdong, P.R. China
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Sarker MT, Wang ZY, Yang H, Wan X, Emmanuel A. Evaluation of the protective effect of lycopene on growth performance, intestinal morphology, and digestive enzyme activities of aflatoxinB 1 challenged broilers. Anim Sci J 2021; 92:e13540. [PMID: 33742527 DOI: 10.1111/asj.13540] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Revised: 01/31/2021] [Accepted: 02/19/2021] [Indexed: 01/23/2023]
Abstract
The current study was conducted to investigate the protective efficiency of dietary lycopene (LYC) supplementation on growth performance, intestinal morphology, and digestive enzyme activities aflatoxinB1 (AFB1 ) challenged broilers. A total of 240 days old Arber across male broiler chicks were randomly allocated in five treatments and six replicates (eight birds per replicate); feed and water were provided ad libitum during the 42 days experiment. The treatment diets were as follows: (i) Basal diet (control), (ii) Basal diet + 100 µg/kg AFB1 contaminated diet, (iii) Basal diet + 100 µg/kg AFB1 + 100 mg/kg LYC1, (iv) Basal diet + 100 µg/kg AFB1 + 200 mg/kg LYC2, and (v) Basal diet + 100 µg/kg AFB1 + 400 mg/kg LYC3. The results showed that the addition of LYC to AFB1 contaminated broiler diets significantly increased (p < .05) average daily gain (ADG) and decreased feed conversion ratio (FCR) compared to the AFB1 diet. AFB1 diet decreased the intestinal villus height (VH) and crypt depth ratio (VCR) while increasing the crypt depth (CD). However, dietary LYC supplemented diets relieved the intestinal morphological alterations. Dietary LYC supplementation (200 and 400 mg/kg) significantly improved (p < .05) intestinal digestive enzyme amylase and lipase activities with AFB1 contaminated diet. These findings suggested that LYC is a promising feed supplement in the broiler industry, alleviating the harmful effects of AFB1 .
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Affiliation(s)
| | - Zhi Yue Wang
- College of Animal Science and Technology, Yangzhou University, Yangzhou City, China
| | - Haiming Yang
- College of Animal Science and Technology, Yangzhou University, Yangzhou City, China
| | - Xiaoli Wan
- College of Animal Science and Technology, Yangzhou University, Yangzhou City, China
| | - Asare Emmanuel
- College of Animal Science and Technology, Yangzhou University, Yangzhou City, China
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Guo HW, Chang J, Wang P, Yin QQ, Liu CQ, Xu XX, Dang XW, Hu XF, Wang QL. Effects of compound probiotics and aflatoxin-degradation enzyme on alleviating aflatoxin-induced cytotoxicity in chicken embryo primary intestinal epithelium, liver and kidney cells. AMB Express 2021; 11:35. [PMID: 33646441 PMCID: PMC7921234 DOI: 10.1186/s13568-021-01196-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2020] [Accepted: 02/18/2021] [Indexed: 02/06/2023] Open
Abstract
Aflatoxin B1 (AFB1) is one of the most dangerous mycotoxins for humans and animals. This study aimed to investigate the effects of compound probiotics (CP), CP supernatant (CPS), AFB1-degradation enzyme (ADE) on chicken embryo primary intestinal epithelium, liver and kidney cell viabilities, and to determine the functions of CP + ADE (CPADE) or CPS + ADE (CPSADE) for alleviating cytotoxicity induced by AFB1. The results showed that AFB1 decreased cell viabilities in dose-dependent and time-dependent manners. The optimal AFB1 concentrations and reactive time for establishing cell damage models were 200 µg/L AFB1 and 12 h for intestinal epithelium cells, 40 µg/L and 12 h for liver and kidney cells. Cell viabilities reached 231.58% (p < 0.05) for intestinal epithelium cells with CP addition, 105.29% and 115.84% (p < 0.05) for kidney and liver cells with CPS additions. The further results showed that intestinal epithelium, liver and kidney cell viabilities were significantly decreased to 87.12%, 88.7% and 84.19% (p < 0.05) when the cells were exposed to AFB1; however, they were increased to 93.49% by CPADE addition, 102.33% and 94.71% by CPSADE additions (p < 0.05). The relative mRNA abundances of IL-6, IL-8, TNF-α, iNOS, NF-κB, NOD1 (except liver cell) and TLR2 in three kinds of primary cells were significantly down-regulated by CPADE or CPSADE addition, compared with single AFB1 group (p < 0.05), indicating that CPADE or CPSADE addition could alleviate cell cytotoxicity and inflammation induced by AFB1 exposure through suppressing the activations of NF-κB, iNOS, NOD1 and TLR2 pathways.
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Affiliation(s)
- Hong-Wei Guo
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou, 450046, China
| | - Juan Chang
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou, 450046, China.
| | - Ping Wang
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou, 450046, China
| | - Qing-Qiang Yin
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou, 450046, China.
| | - Chao-Qi Liu
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou, 450046, China
| | - Xiao-Xiang Xu
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou, 450046, China
| | - Xiao-Wei Dang
- Henan Delin Biological Product Co., Ltd, Xinxiang, 453000, China
| | - Xiao-Fei Hu
- Henan Key Laboratory of Animal Immunology, Henan Academy of Agricultural Sciences, Zhengzhou, 450002, China
| | - Quan-Liang Wang
- Henan Guangan Biotechnological Co., Ltd., Zhengzhou, 450001, China
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Effects of Soy Protein Concentrate in Starter Phase Diet on Growth Performance, Blood Biochemical Indices, Carcass Traits, Immune Organ Indices and Meat Quality of Broilers. Animals (Basel) 2021; 11:ani11020281. [PMID: 33499391 PMCID: PMC7911651 DOI: 10.3390/ani11020281] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2020] [Revised: 01/06/2021] [Accepted: 01/16/2021] [Indexed: 02/07/2023] Open
Abstract
Soybean meal (SBM) is high in antinutritional factors (ANFs), which is not conducive to the starter growth of broilers. The purpose of this study was to investigate the effects of soy protein concentrate (SPC) in starter diet on growth performance, carcass traits, meat quality, immune organ indices and blood biochemical indices of broilers. A total of 384 1-day-old Arbor Acres (AA) male broilers (46.05 ± 0.37 g) with similar body weight were randomly divided into 4 groups with 8 replicates in each group and 12 broilers in each replicate. The experiment was divided into three phases: in starter phase (1-10 d), birds were fed a corn-SBM-based basal mash diet (control) and the basal diet was supplemented with SPC at 4% (SPC4), 8% (SPC8), 12% (SPC12). In the grower phase (11-21 d) and the finisher phase (22-42 d), the birds in all four treatment groups were fed the same diets. The results showed that the body weight was significantly increased in the SPC8 and SPC12 groups of broilers at 10 d and 42 d (p < 0.05). The average daily gain was significantly increased in the SPC12 group of broilers at 1-10 d and 1-42 d (p < 0.05). The average daily feed intake was significantly increased in the SPC8 and SPC12 groups of broilers at 1-10 d (p < 0.05). The feed conversion rates at 1-42 d (p = 0.055) tended to decline in the SPC12 group. The carcass yield and the thymus indices were significantly increased in the SPC12 group of broilers at 42 d (p < 0.05). Alanine aminotransferase (ALT)/ aspartate aminotransferase (AST) tended to decline in SPC12 group at 10 d (p = 0.055) and total protein (TP) tended to increase in the SPC12 group at 42 d (p = 0.080). The contents of total cholesterol (T-CHO) and high-density lipoprotein (HDL) were significantly elevated in the SPC12 group of broilers at 42 d (p < 0.05). In conclusion, dietary inclusion of 12% SPC as a starter diet can be recommended due to the positive effects on broilers.
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Marin DE, Bulgaru CV, Anghel CA, Pistol GC, Dore MI, Palade ML, Taranu I. Grape Seed Waste Counteracts Aflatoxin B1 Toxicity in Piglet Mesenteric Lymph Nodes. Toxins (Basel) 2020; 12:toxins12120800. [PMID: 33333857 PMCID: PMC7765275 DOI: 10.3390/toxins12120800] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2020] [Revised: 12/04/2020] [Accepted: 12/13/2020] [Indexed: 12/20/2022] Open
Abstract
Aflatoxin B1 (AFB1) is a mycotoxin that frequently contaminates cereals and cereal byproducts. This study investigates the effect of AFB1 on the mesenteric lymph nodes (MLNs) of piglets and evaluates if a diet containing grape seed meal (GSM) can counteract the negative effect of AFB1 on inflammation and oxidative stress. Twenty-four weaned piglets were fed the following diets: Control, AFB1 group (320 μg AFB1/kg feed), GSM group (8% GSM), and AFB1 + GSM group (8% GSM + 320 μg AFB1/kg feed) for 30 days. AFB1 has an important antioxidative effect by decreasing the activity of catalase (CAT), superoxide dismutase (SOD), and glutathione peroxidase (GPx) and total antioxidant status. As a result of the exposure to AFB1, an increase of MAP kinases, metalloproteinases, and cytokines, as effectors of an inflammatory response, were observed in the MLNs of intoxicated piglets. GSM induced a reduction of AFB1-induced oxidative stress by increasing the activity of GPx and SOD and by decreasing lipid peroxidation. GSM decreased the inflammatory markers increased by AFB1. These results represent an important and promising way to valorize this waste, which is rich in bioactive compounds, for decreasing AFB1 toxic effects in mesenteric lymph nodes.
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Guo Y, Balasubramanian B, Zhao ZH, Liu WC. Marine algal polysaccharides alleviate aflatoxin B1-induced bursa of Fabricius injury by regulating redox and apoptotic signaling pathway in broilers. Poult Sci 2020; 100:844-857. [PMID: 33518138 PMCID: PMC7858151 DOI: 10.1016/j.psj.2020.10.050] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Revised: 10/06/2020] [Accepted: 10/20/2020] [Indexed: 12/16/2022] Open
Abstract
Aflatoxin B1 (AFB1) causes toxic effect and leads to organ damage in broilers. Marine algal polysaccharides (MAP) of Enteromorpha prolifera exert multiple biological activities, maybe have a potential detoxification effect on AFB1, but the related research in broilers is extremely rare. Therefore, the purpose of this study was to investigate whether MAPs can alleviate AFB1-induced oxidative damage and apoptosis of bursa of Fabricius in broilers. A total of 216 five-week-old male indigenous yellow-feathered broilers (with average initial body weight 397.35 ± 6.32 g) were randomly allocated to one of three treatments (6 replicates with 12 broilers per replicate), and the trial lasted 4 wk. Experimental groups were followed as basal diet (control group); basal diet mixed with 100 μg/kg AFB1 (AFB1 group, the AFB1 is purified form); basal diet with 100 μg/kg AFB1 + 2,500 mg/kg MAPs (AFB1 + MAPs group). The results showed that the diet with AFB1 significantly decreased the relative weight of bursa of Fabricius (P < 0.05), antioxidant enzymes activities of total superoxide dismutase (T-SOD), catalase (CAT), glutathione peroxidase (GSH-Px), glutathione S-transferase (GST), and total antioxidation capacity (T-AOC), while increased malondialdehyde (MDA) content (P < 0.05). Besides, compared with AFB1 group, dietary MAPs improved the relative weight of bursa of Fabricius and activities of antioxidant enzymes (T-SOD, GSH-Px, CAT, GST) with decreased MDA contents (P < 0.05). Moreover, the consumption of AFB1 downregulated the mRNA expression of SOD1, SOD2, GSTA3, CAT1, GPX1, GPx3, GSTT1, Nrf2, HO-1, and p38MAPK (P < 0.05). Dietary MAPs upregulated the mRNA expression of SOD2, GSTA3, CAT1, GPX1, GSTT1, p38MAPK, Nrf2, and HO-1 in comparison with AFB1 group (P < 0.05). The histological analysis confirmed restoration of apoptotic cells of bursa of Fabricius (P < 0.01), which seen with MAPs supplemented broilers. Besides, dietary MAPs down-regulated the mRNA expression of caspase-3 and Bax (P < 0.05), while up-regulated the mRNA expression of Bcl-2 (P < 0.05) compared with AFB1 group. In addition, according to protein expression results, dietary MAPs up-regulated the protein expression level of antioxidant and apoptosis-associated proteins (Nrf2, HO-1, p38MAPK, Bcl-2) (P < 0.01), but down-regulated the protein expression level of caspase-3 and Bax (P < 0.01). In conclusion, dietary MAPs alleviated AFB1-induced bursa of Fabricius injury through regulating Nrf2-mediated redox and mitochondrial apoptotic signaling pathway in broilers.
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Affiliation(s)
- Yan Guo
- Department of Animal Science, College of Coastal Agricultural Sciences, Guangdong Ocean University, Zhanjiang 524088, P. R. China
| | | | - Zhi-Hui Zhao
- Department of Animal Science, College of Coastal Agricultural Sciences, Guangdong Ocean University, Zhanjiang 524088, P. R. China
| | - Wen-Chao Liu
- Department of Animal Science, College of Coastal Agricultural Sciences, Guangdong Ocean University, Zhanjiang 524088, P. R. China.
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Cheng P, Ishfaq M, Yu H, Yang Y, Li S, Li X, Fazlani SA, Guo W, Zhang X. Curcumin ameliorates duodenal toxicity of AFB1 in chicken through inducing P-glycoprotein and downregulating cytochrome P450 enzymes. Poult Sci 2020; 99:7035-7045. [PMID: 33248620 PMCID: PMC7705060 DOI: 10.1016/j.psj.2020.09.055] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2020] [Revised: 08/14/2020] [Accepted: 09/11/2020] [Indexed: 01/02/2023] Open
Abstract
It has been reported that oral intake of aflatoxin B1 (AFB1)-contaminated feed could cause acute, sub-chronic, or chronic toxicity in livestock and poultry. However, the harmful effect of AFB1 on the small intestine is still controversial. Therefore, blocking the entry of AFB1 into the body through the digestive tract is one of the important methods to prevent its toxicity. In the present study, 1-day-old Arbor Acres broilers were randomly divided into 6 groups including control group, curcumin control group (450 mg curcumin/kg feed), curcumin low-, medium-, and high-dose group (150, 300, and 450 mg curcumin/kg feed + 5 mg AFB1/kg feed), and AFB1 group (5 mg AFB1/kg feed). After 28 d, the samples of chickens' duodenums were collected for further analyses. AFB1 caused abnormal functional and morphological changes in the duodenum, including histological lesions, increased the length of the duodenum and depth of crypt, decreased the unit weight of the duodenum, height of villus, and the value of villus height/crypt depth. Meanwhile, AFB1 administration enhanced malonaldehyde activity, 8-HOdG level, and the mRNA expression of cytochrome P450 (CYP450) enzymes, and reduced superoxide dismutase, catalase, adenosine triphosphatase (ATPase) activity and the mRNA expression of Abcb1. Importantly, curcumin supplementation partially ameliorated AFB1-induced abnormal functional and morphological signs of the duodenum, alleviated AFB1-induced oxidative stress, and decreased the mRNA expression of CYP450 enzymes. Furthermore, curcumin ameliorated AFB1-induced decrease in the Abcb1 mRNA expression, P-glycoprotein (P-gp) level, and ATPase activities. It has been suggested from these results that curcumin supplementation in the feed could ameliorate AFB1-induced duodenal toxicity and damage through downregulating CYP450 enzymes, promoting ATPase activities, and inducing P-gp in chickens.
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Affiliation(s)
- Ping Cheng
- Heilongjiang Key Laboratory for Animal Disease Control and Pharmaceutical Development, Faculty of Basic Veterinary Science, College of Veterinary Medicine, Northeast Agricultural University, 600 Changjiang Road, Xiangfang District, Harbin, P R China
| | - Muhammad Ishfaq
- Heilongjiang Key Laboratory for Animal Disease Control and Pharmaceutical Development, Faculty of Basic Veterinary Science, College of Veterinary Medicine, Northeast Agricultural University, 600 Changjiang Road, Xiangfang District, Harbin, P R China
| | - Hongxiao Yu
- Heilongjiang Key Laboratory for Animal Disease Control and Pharmaceutical Development, Faculty of Basic Veterinary Science, College of Veterinary Medicine, Northeast Agricultural University, 600 Changjiang Road, Xiangfang District, Harbin, P R China
| | - Yuqi Yang
- Pharmacology Teaching and Research Department, School of Basic Medicine, Guizhou University of Traditional Chinese Medicine, Guiyang, P R China
| | - Sihong Li
- Heilongjiang Key Laboratory for Animal Disease Control and Pharmaceutical Development, Faculty of Basic Veterinary Science, College of Veterinary Medicine, Northeast Agricultural University, 600 Changjiang Road, Xiangfang District, Harbin, P R China
| | - Xiaotin Li
- Heilongjiang Key Laboratory for Animal Disease Control and Pharmaceutical Development, Faculty of Basic Veterinary Science, College of Veterinary Medicine, Northeast Agricultural University, 600 Changjiang Road, Xiangfang District, Harbin, P R China
| | - Saqib Ali Fazlani
- Heilongjiang Key Laboratory for Animal Disease Control and Pharmaceutical Development, Faculty of Basic Veterinary Science, College of Veterinary Medicine, Northeast Agricultural University, 600 Changjiang Road, Xiangfang District, Harbin, P R China
| | - Wenxin Guo
- Technical Identification Department of Agricultural Products and Veterinary Medicine Feed, Heilongjiang Institute of Veterinary Drug and Feed Control, Harbin, P R China
| | - Xiuying Zhang
- Heilongjiang Key Laboratory for Animal Disease Control and Pharmaceutical Development, Faculty of Basic Veterinary Science, College of Veterinary Medicine, Northeast Agricultural University, 600 Changjiang Road, Xiangfang District, Harbin, P R China.
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27
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Hall GB, Long JA, Wood BJ, Bedecarrats GY. In ovo culturing of turkey (Meleagris gallopavo) ovarian tissue to assess graft viability and maturation of prefollicular germ cells and follicles. Poult Sci 2020; 99:7109-7121. [PMID: 33248628 PMCID: PMC7704971 DOI: 10.1016/j.psj.2020.09.014] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2020] [Accepted: 09/03/2020] [Indexed: 11/24/2022] Open
Abstract
Biobanking of turkey ovarian tissue appears to be the most cost-effective method for the long-term preservation of female genetics. However, to ensure the successful transplantation of biobanked ovarian tissue for breed or line revival, the transplantation and development of fresh ovarian tissue must be evaluated. To assess transplantability, ovaries from poults 1 to 15 days posthatch (dph) were cultured in ovo in chicken eggs for 6 d and compared with the equivalent fresh tissue. The viability of cultured ovarian tissue was evaluated visually, whereas the level of late-stage apoptosis was measured via the TUNEL assay. In addition, the diameter and density of prefollicular germ cells and follicles (primordial and primary) were measured to assess maturation. Results showed that all cultured grafts (74/74), on surviving chicken chorioallantoic membrane, were viable with low levels (0.8 ± 0.1%) of late-stage apoptosis. The diameter of prefollicular germ cells in cultured ovaries from poults at 5 and 7 dph were larger (P < 0.002) than that of their preculture counterparts but were not able to reach their in vivo size. No significant follicular growth was observed in ovaries cultured in ovo; however, prefollicular germ cell density was over 4-fold greater in ovaries cultured from 7 dph poults (81,030 ± 17,611/mm3) than in their in vivo counterpart (16,463 ± 6,805/mm3). Interestingly, cultured ovaries from all other ages displayed equal or lower (P ≤ 0.05) prefollicular germ cell densities than their in vivo counterparts. Cultured ovaries from poults at 5 and 7 dph also exhibited an increase (P ≤ 0.05) in follicle density compared with their preculture counterparts; whereas, cultured ovaries from 15 dph poults had decreased densities (P < 0.001) compared with their preculture counterparts. This study demonstrated that, although age of ovarian tissue cultured in ovo did not affect the overall viability, 7 dph ovaries appeared to have a better cellular morphology after culturing in ovo than other ages. In addition, we also demonstrated for the first time that avian follicles can form during tissue culturing in ovo.
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Affiliation(s)
- G B Hall
- Department of Animal Bioscience, University of Guelph, Guelph, Ontario, N1G1Y2, Canada
| | - J A Long
- Animal Biosciences and Biotechnology Laboratory, Beltsville Agricultural Research Center, Agricultural Research Service, USDA, Beltsville, MD 20705, USA
| | - B J Wood
- Department of Animal Bioscience, University of Guelph, Guelph, Ontario, N1G1Y2, Canada; Hybrid Turkeys, Kitchener, Ontario, N2K3SC, Canada; School of Veterinary Science, The University of Queensland, Gatton, QLD 4343, Australia
| | - G Y Bedecarrats
- Department of Animal Bioscience, University of Guelph, Guelph, Ontario, N1G1Y2, Canada.
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Resolution of eicosanoid/cytokine storm prevents carcinogen and inflammation-initiated hepatocellular cancer progression. Proc Natl Acad Sci U S A 2020; 117:21576-21587. [PMID: 32801214 DOI: 10.1073/pnas.2007412117] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Toxic environmental carcinogens promote cancer via genotoxic and nongenotoxic pathways, but nongenetic mechanisms remain poorly characterized. Carcinogen-induced apoptosis may trigger escape from dormancy of microtumors by interfering with inflammation resolution and triggering an endoplasmic reticulum (ER) stress response. While eicosanoid and cytokine storms are well-characterized in infection and inflammation, they are poorly characterized in cancer. Here, we demonstrate that carcinogens, such as aflatoxin B1 (AFB1), induce apoptotic cell death and the resulting cell debris stimulates hepatocellular carcinoma (HCC) tumor growth via an "eicosanoid and cytokine storm." AFB1-generated debris up-regulates cyclooxygenase-2 (COX-2), soluble epoxide hydrolase (sEH), ER stress-response genes including BiP, CHOP, and PDI in macrophages. Thus, selective cytokine or eicosanoid blockade is unlikely to prevent carcinogen-induced cancer progression. Pharmacological abrogation of both the COX-2 and sEH pathways by PTUPB prevented the debris-stimulated eicosanoid and cytokine storm, down-regulated ER stress genes, and promoted macrophage phagocytosis of debris, resulting in suppression of HCC tumor growth. Thus, inflammation resolution via dual COX-2/sEH inhibition is an approach to prevent carcinogen-induced cancer.
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刘 惠, 王 一, 岳 阳, 张 朋, 孙 亚, 陈 巧. [Periostin inhibits hypoxia-induced oxidative stress and apoptosis in human periodontal ligament fibroblasts via p38 MAPK signaling pathway]. NAN FANG YI KE DA XUE XUE BAO = JOURNAL OF SOUTHERN MEDICAL UNIVERSITY 2020; 40:942-948. [PMID: 32895159 PMCID: PMC7386212 DOI: 10.12122/j.issn.1673-4254.2020.07.05] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 12/03/2019] [Indexed: 12/19/2022]
Abstract
OBJECTIVE To investigate the effect of periostin on hypoxia-induced oxidative stress and apoptosis in human periodontal ligament fibroblasts and the molecular mechanism involved. METHODS In vitro cultured human periodontal ligament fibroblasts were placed in an anaerobic gas-producing bag for hypoxia treatment for 48 h followed by treatment with periostin at low (25 ng/mL), moderate (50 ng/mL) or high (100 ng/mL) doses. MTT assay was used to measure the cell viability, and the cell apoptosis rate was determined using flow cytometry. The contents of IL-1β, IL-6 and TNF-α in the cells were determined with ELISA, and ROS levels were measured using a fluorescent plate reader. The intracellular SOD activity was detected using ELISA. The expressions of HIF-1α, P21, cyclin D1, Bax, cleaved caspase-3, Bcl-2, P38MAPK and p-p38 MAPK proteins in the cells were detected with Western blotting. RESULTS Hypoxia treatment significantly reduced the cell viability (P < 0.05), increased P21, Bax, and cleaved caspase-3 protein levels (P < 0.05), promoted cell apoptosis (P < 0.05), and decreased cyclin D1 and Bcl-2 protein levels (P < 0.05) in the cells. Compared with the hypoxic group, the cells treated with periostin at different concentrations showed significantly increased cell viability (P < 0.05) with significantly lowered apoptotic rates (P < 0.05) and decreased expression levels of Bax and cleaved caspase-3 (P < 0.05) but significantly increased expression levels of cyclin D1 and Bcl-2 (P < 0.05). Hypoxic exposure of the cells resulted in significantly increased expression levels of HIF-1α and p-p38 MAPK (P < 0.05) and increased levels of IL-1β, IL-6, TNF-α and ROS (P < 0.05) but decreased SOD activity (P < 0.05). Periostin treatment at different concentrations significantly lowered the expression levels of HIF-1α and p-p38 MAPK (P < 0.05) and the levels of IL-1β, IL-6, TNF-α and ROS (P < 0.05) and significantly increased SOD activity in the hypoxic cells (P < 0.05). CONCLUSIONS Periostin promotes the proliferation, inhibits apoptosis, enhances cellular antioxidant capacity, and reduces inflammatory damage in human periodontal ligament fibroblasts exposed to hypoxia possibly by inhibiting the activation of the p38 MAPK signaling pathway.
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Affiliation(s)
- 惠莉 刘
- 郑州大学附属郑州中心医院口腔科,河南 郑州 450007Department of Stomatology, Zhengzhou Central Hospital Affiliated to Zhengzhou University, Zhengzhou 450007, China
| | - 一丹 王
- 郑州大学附属郑州中心医院口腔科,河南 郑州 450007Department of Stomatology, Zhengzhou Central Hospital Affiliated to Zhengzhou University, Zhengzhou 450007, China
| | - 阳丽 岳
- 郑州大学口腔医学院,河南 郑州 450007School of Stomatology, Zhengzhou University, Zhengzhou 450007, China
| | - 朋 张
- 郑州大学口腔医学院,河南 郑州 450007School of Stomatology, Zhengzhou University, Zhengzhou 450007, China
| | - 亚丽 孙
- 郑州大学附属郑州中心医院口腔科,河南 郑州 450007Department of Stomatology, Zhengzhou Central Hospital Affiliated to Zhengzhou University, Zhengzhou 450007, China
| | - 巧华 陈
- 郑州大学附属郑州中心医院口腔科,河南 郑州 450007Department of Stomatology, Zhengzhou Central Hospital Affiliated to Zhengzhou University, Zhengzhou 450007, China
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30
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Nazhand A, Durazzo A, Lucarini M, Souto EB, Santini A. Characteristics, Occurrence, Detection and Detoxification of Aflatoxins in Foods and Feeds. Foods 2020; 9:E644. [PMID: 32443392 PMCID: PMC7278662 DOI: 10.3390/foods9050644] [Citation(s) in RCA: 65] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2020] [Revised: 05/09/2020] [Accepted: 05/12/2020] [Indexed: 12/14/2022] Open
Abstract
Mycotoxin contamination continues to be a food safety concern globally, with the most toxic being aflatoxins. On-farm aflatoxins, during food transit or storage, directly or indirectly result in the contamination of foods, which affects the liver, immune system and reproduction after infiltration into human beings and animals. There are numerous reports on aflatoxins focusing on achieving appropriate methods for quantification, precise detection and control in order to ensure consumer safety. In 2012, the International Agency for Research on Cancer (IARC) classified aflatoxins B1, B2, G1, G2, M1 and M2 as group 1 carcinogenic substances, which are a global human health concern. Consequently, this review article addresses aflatoxin chemical properties and biosynthetic processes; aflatoxin contamination in foods and feeds; health effects in human beings and animals due to aflatoxin exposure, as well as aflatoxin detection and detoxification methods.
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Affiliation(s)
- Amirhossein Nazhand
- Department of Biotechnology, Sari Agricultural Science and Natural Resource University, 9th km of Farah Abad Road, Mazandaran 48181-68984, Iran;
| | - Alessandra Durazzo
- CREA-Research Centre for Food and Nutrition, Via Ardeatina 546, 00178 Roma, Italy; (A.D.); (M.L.)
| | - Massimo Lucarini
- CREA-Research Centre for Food and Nutrition, Via Ardeatina 546, 00178 Roma, Italy; (A.D.); (M.L.)
| | - Eliana B. Souto
- Faculty of Pharmacy of University of Coimbra, Azinhaga de Santa Comba, Polo III-Saúde, 3000-548 Coimbra, Portugal;
- CEB-Centre of Biological Engineering, University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal
| | - Antonello Santini
- Department of Pharmacy, University of Napoli Federico II, Via D. Montesano 49, 80131 Napoli, Italy
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Zhou H, Wang J, Ma L, Chen L, Guo T, Zhang Y, Dai H, Yu Y. Oxidative DNA damage and multi-organ pathologies in male mice subchronically treated with aflatoxin B 1. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2019; 186:109697. [PMID: 31629905 DOI: 10.1016/j.ecoenv.2019.109697] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/30/2019] [Revised: 09/16/2019] [Accepted: 09/18/2019] [Indexed: 06/10/2023]
Abstract
Although the acute and/or chronic exposure to AFB1 has been widely investigated, the study on the toxic effects resulted from the subchronic exposure of AFB1 which is more close to the real scenario in view of the regional and seasonal characters of aflatoxin-producing strains is still limited. To understand the subchronically toxic effects of AFB1, we studied the AFB1-induced oxidative damage, reproductive impairment as well as their potential correlations and mechanisms at the molecular level. Generally, our results showed that subchronic exposure of AFB1 gave rise to pathological and oxidative damages in mice, disrupted oxidation-reduction homeostasis, activated mitochondrial apoptotic and p53-regulated signaling pathways, induced DNA and chromosomal damages and increased the rate of sperm malformation. Importantly, reproductive toxic effects were detected in AFB1-treated mice under a subchronic exposure, which was evidenced by the ascended sperm malformation. Based on our pilot study, it's speculated that the partial mechanism of reproductive toxicity may be the oxidative damages, especially DNA damages directly induced by AFB1. In short, our study demonstrated that severe damages can be caused even by a subchronic exposure as well as hinted that reproductive toxicity also should be taken into consideration when conducting risk assessments of the subchronic exposure of AFB1.
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Affiliation(s)
- Hongyuan Zhou
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, College of Food Science, Southwest University, Chongqing, P.R. China
| | - Jiaman Wang
- Cspc Pharmaceutical Group of the Cause of Health Research and Development, Shijiazhuang, China
| | - Liang Ma
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, College of Food Science, Southwest University, Chongqing, P.R. China.
| | - Lu Chen
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, College of Food Science, Southwest University, Chongqing, P.R. China
| | - Ting Guo
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, College of Food Science, Southwest University, Chongqing, P.R. China
| | - Yuhao Zhang
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, College of Food Science, Southwest University, Chongqing, P.R. China
| | - Hongjie Dai
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, College of Food Science, Southwest University, Chongqing, P.R. China
| | - Yong Yu
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, College of Food Science, Southwest University, Chongqing, P.R. China
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He HQ, Law BYK, Zhang N, Qiu CL, Qu YQ, Wu AG, Han Y, Song Q, Zheng WL, Liu Y, He YZ, Wong VKW. Bavachin Protects Human Aortic Smooth Muscle Cells Against β-Glycerophosphate-Mediated Vascular Calcification and Apoptosis via Activation of mTOR-Dependent Autophagy and Suppression of β-Catenin Signaling. Front Pharmacol 2019; 10:1427. [PMID: 31920640 PMCID: PMC6930901 DOI: 10.3389/fphar.2019.01427] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2019] [Accepted: 11/08/2019] [Indexed: 12/17/2022] Open
Abstract
Vascular calcification is a major complication of cardiovascular disease and chronic renal failure. Autophagy help to maintain a stable internal and external environment that is important for modulating arteriosclerosis, but its pathogenic mechanism is far from clear. Here, we aimed to identify the bioactive compounds from traditional Chinese medicines (TCM) that exhibit an anti-arteriosclerosis effect. In β-glycerophosphate (β-GP)-stimulated human aortic smooth muscle cells (HASMCs), the calcium level was increased and the expression of the calcification-related proteins OPG, OPN, Runx2, and BMP2 were all up-regulated, followed by autophagy induction and apoptosis. Meanwhile, we further revealed that β-GP induced apoptosis of human osteoblasts and promoted differentiation of osteoblasts through Wnt/β-catenin signaling. Bavachin, a natural compound from Psoralea corylifolia, dose-dependently reduced the level of intracellular calcium and the expression of calcification-related proteins OPG, OPN, Runx2 and BMP2, thus inhibiting cell apoptosis. In addition, bavachin increased LC3-II and beclin1 expression, along with intracellular LC3-II puncta formation, which autophagy induction is Atg7-dependent and is regulated by suppression of mTOR signaling. Furthermore, addition of autophagy inhibitor, wortmannin (WM) attenuated the inhibitory effect of bavachin on β-GP-induced calcification and apoptosis in HASMCs. Collectively, the present study revealed that bavachin protects HASMCs against apoptosis and calcification by activation of the Atg7/mTOR-autophagy pathway and suppression of the β-catenin signaling, our findings provide a potential clinical application for bavachin in the therapy of cardiovascular disease.
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Affiliation(s)
- Hu-Qiang He
- Faculty of Chinese Medicine, Macau University of Science and Technology, Macau, China.,State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Macau, China.,Department of Vascular Surgery, Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Betty Yuen Kwan Law
- Faculty of Chinese Medicine, Macau University of Science and Technology, Macau, China.,State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Macau, China
| | - Ni Zhang
- Faculty of Chinese Medicine, Macau University of Science and Technology, Macau, China.,State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Macau, China
| | - Cong-Ling Qiu
- Faculty of Chinese Medicine, Macau University of Science and Technology, Macau, China.,State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Macau, China
| | - Yuan-Qing Qu
- Faculty of Chinese Medicine, Macau University of Science and Technology, Macau, China.,State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Macau, China
| | - An-Guo Wu
- Department of Thoracic and Cardial Surgery, Affiliated Hospital of Southwest Medical University, Luzhou, China.,Department of Nuclear Medicine, Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Yu Han
- Faculty of Chinese Medicine, Macau University of Science and Technology, Macau, China.,State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Macau, China
| | - Qi Song
- Faculty of Chinese Medicine, Macau University of Science and Technology, Macau, China.,State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Macau, China.,Nuclear Medicine and Molecular Imaging Key Laboratory of Sichuan Province, Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Wen-Lu Zheng
- Faculty of Chinese Medicine, Macau University of Science and Technology, Macau, China.,State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Macau, China.,Laboratory of Chinese Materia Medical, Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou, China.,Institute of Cardiovascular Research, The Key Laboratory of Medical Electrophysiology, Ministry of Education of China, Collaborative Innovation Center for Prevention and Treatment of Cardiovascular Disease of Sichuan Province, Southwest Medical University, Luzhou, China
| | - Yong Liu
- Department of Vascular Surgery, Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Yan-Zheng He
- Department of Vascular Surgery, Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Vincent Kam Wai Wong
- Faculty of Chinese Medicine, Macau University of Science and Technology, Macau, China.,State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Macau, China
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Lactobacillus plantarum MON03 counteracts zearalenone génotoxicty in mice: Chromosome aberrations, micronuclei, DNA fragmentation and apoptotique gene expression. MUTATION RESEARCH-GENETIC TOXICOLOGY AND ENVIRONMENTAL MUTAGENESIS 2019; 840:11-19. [PMID: 30857728 DOI: 10.1016/j.mrgentox.2018.12.008] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/26/2018] [Revised: 12/12/2018] [Accepted: 12/14/2018] [Indexed: 12/12/2022]
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Rajput SA, Zhang C, Feng Y, Wei XT, Khalil MM, Rajput IR, Baloch DM, Shaukat A, Rajput N, Qamar H, Hassan M, Qi D. Proanthocyanidins Alleviates AflatoxinB₁-Induced Oxidative Stress and Apoptosis through Mitochondrial Pathway in the Bursa of Fabricius of Broilers. Toxins (Basel) 2019; 11:E157. [PMID: 30857375 PMCID: PMC6468869 DOI: 10.3390/toxins11030157] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2019] [Revised: 03/03/2019] [Accepted: 03/05/2019] [Indexed: 01/08/2023] Open
Abstract
Aflatoxin B₁ (AFB₁) is a serious threat to the poultry industry. Proanthocyanidins (PCs) demonstrates a broad range of biological, pharmacological, therapeutic, and chemoprotective properties. The aim of this study was to investigate the ameliorative effects of PCs against AFB₁-induced histopathology, oxidative stress, and apoptosis via the mitochondrial pathway in the bursa of Fabricius (BF) of broilers. One hundred forty-four one-day old Cobb chicks were randomly assigned into four treatment groups of six replicates (6 birds each replicate) for 28 days. Groups were fed on the following four diets; (1) Basal diet without addition of PCs or AFB₁ (Control); (2) basal diet supplemented with 1 mg/kg AFB₁ from contaminated corn (AFB₁); (3) basal diet supplemented with 250 mg/kg PCs (PCs); and (4) basal diet supplemented with 1 mg/kg AFB₁ + 250 mg/kg PCs (AFB₁+ PCs). The present study results showed that antioxidant enzymes activities of total superoxide dismutase (T-SOD), catalase (CAT), glutathione peroxidase (GSH-Px), and glutathione S-transferase (GST) in AFB₁ treated group were (p < 0.05) decreased, whereas malondialdehyde (MDA) contents were significantly increased in comparison with the control group. Furthermore, we found that dietary PCs treatment ameliorated AFB₁-induced oxidative stress in the BF through inhibiting the accumulation of MDA content and enhancing the antioxidant enzymes activities (T-SOD, CAT, GSH-Px, and GST). Similarly, PCs markedly enhanced messenger RNA (mRNA) expression of antioxidant genes (SOD, CAT, GPx1, and GST) in comparison with AFB₁ group. Moreover, histological results showed that PCs alleviated AFB₁-induced apoptotic cells in the BF of broilers. In addition, both mRNA and protein expression results manifested that mitochondrial-apoptosis-associated genes (Bax, caspase-9, caspase-3, and p53 and cytochrome c) showed up-regulation, while (Bcl-2) showed down-regulation in AFB₁ fed group. The supplementation of PCs to AFB₁ diet significantly reversed the mRNA and protein expression of these apoptosis-associated genes, as compared to the AFB₁ group. Our results demonstrated that PCs ameliorated AFB₁-induced oxidative stress by modulating the antioxidant defense system and apoptosis in the BF through mitochondrial pathway in broilers.
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Affiliation(s)
- Shahid Ali Rajput
- Department of Animal Nutrition and Feed Science, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan 430070, China.
| | - Cong Zhang
- Department of Animal Nutrition and Feed Science, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan 430070, China.
| | - Yue Feng
- Department of Animal Nutrition and Feed Science, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan 430070, China.
| | - Xiao Tian Wei
- Department of Animal Nutrition and Feed Science, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan 430070, China.
| | - Mahmoud Mohamed Khalil
- Animal Production Department, Faculty of Agriculture, Benha University, 13736 Banha, Egypt.
| | - Imran Rashid Rajput
- Faculty of Veterinary and Animal Science, Department of Biotechnology, Lasbela Univesity of Agriculture Water and Marine Science, 89250 Uthal, Balochistan, Pakistan.
| | - Dost Muhammad Baloch
- Faculty of Veterinary and Animal Science, Department of Biotechnology, Lasbela Univesity of Agriculture Water and Marine Science, 89250 Uthal, Balochistan, Pakistan.
| | - Aftab Shaukat
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China.
| | - Nasir Rajput
- Department of Poultry Husbandry, Faculty of Animal Husbandry and Veterinary Science, Sindh Agriculture University, 70060 Tandojam, Pakistan.
| | - Hammad Qamar
- Research Center of Animal Nutrition and Metabolic Diseases, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China.
| | - Mubashar Hassan
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China.
| | - Desheng Qi
- Department of Animal Nutrition and Feed Science, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan 430070, China.
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35
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Zinc citrate incorporation with whey protein nanoparticles alleviate the oxidative stress complication and modulate gene expression in the liver of rats. Food Chem Toxicol 2019; 125:439-451. [PMID: 30711718 DOI: 10.1016/j.fct.2019.01.026] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2018] [Revised: 01/19/2019] [Accepted: 01/21/2019] [Indexed: 12/20/2022]
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Tissue Tropism of Chicken Anaemia Virus in Naturally Infected Broiler Chickens. J Comp Pathol 2019; 167:32-40. [PMID: 30898295 DOI: 10.1016/j.jcpa.2018.11.008] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2018] [Revised: 11/13/2018] [Accepted: 11/28/2018] [Indexed: 01/26/2023]
Abstract
Chicken anaemia virus (CAV) causes chicken infectious anaemia, a severe disease characterized by anaemia and immunosuppression and leading to serious economic losses in the poultry industry worldwide. Although CAV infection has been investigated under experimental conditions, information regarding natural infection is scarce. This report describes an outbreak of CAV infection in 18-day-old broiler chickens and investigates virus tropism in affected birds. Thymic atrophy, pale bone marrow, swelling of the legs and foot ulcers (gangrenous dermatitis) were the most common gross lesions. Severe lymphoid cell depletion in the thymic cortex and presence of intranuclear acidophilic inclusion bodies, depletion of haemopoietic cells in bone marrow and presence of lymphoid infiltrates in several organs were also observed. Immunohistochemical labelling demonstrated the CAV antigens VP1 and VP3 in several organs. The expression of both proteins was similar in the thymic cortex and in the bone marrow, the main target organs of CAV; however, VP3 expression was more abundant in the other organs. Labelling of serial sections showed that CD3+ T lymphocytes might be responsible for the dissemination of the virus from the thymus and bone marrow to other organs and that virus-induced apoptosis, mediated through caspase-3, occurred mainly in the thymus and bone marrow.
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Hu P, Zuo Z, Wang F, Peng X, Guan K, Li H, Fang J, Cui H, Su G, Ouyang P, Zhou Y. The Protective Role of Selenium in AFB 1-Induced Tissue Damage and Cell Cycle Arrest in Chicken's Bursa of Fabricius. Biol Trace Elem Res 2018; 185:486-496. [PMID: 29512029 DOI: 10.1007/s12011-018-1273-6] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/17/2018] [Accepted: 02/13/2018] [Indexed: 01/09/2023]
Abstract
Aflatoxin B1 (AFB1) is a naturally occurring secondary metabolites of Aspergillus flavus and Aspergillus parasiticus, and is the most toxic form of aflatoxins. Selenium (Se) with antioxidant and detoxification functions is one of the essential trace elements for human beings and animals. This study aims to evaluate the protective effects of Se on AFB1-induced tissue damage and cell cycle arrest in bursa of Fabricius (BF) of chickens. The results showed that a dietary supplement of 0.4 mg·kg-1 Se alleviated the histological lesions induced by AFB1, as demonstrated by decreasing vacuoles and nuclear debris, and relieving oxidative stress. Furthermore, flow cytometry studies showed that a Se supplement protected AFB1-induced G2M phase arrest at 7 days and G0G1 phase arrest at 14 and 21 days. Moreover, the mRNA expression results of ATM, Chk2, p53, p21, cdc25, PCNA, cyclin D1, cyclin E1, cyclin B3, CDK6, CDK2, and cdc2 indicated that Se supplement could restore these parameters to be close to those in the control group. It is concluded that a dietary supplement of 0.4 mg kg-1 Se could diminish AFB1-induced immune toxicity in chicken's BF by alleviating oxidative damage and cell cycle arrest through an ATM-Chk2-cdc25 route and the ATM-Chk2-p21 pathway.
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Affiliation(s)
- Ping Hu
- Key Laboratory of Animal Diseases and Environmental Hazards of Sichuan Province, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, 611130, Sichuan, People's Republic of China
| | - Zhicai Zuo
- Key Laboratory of Animal Diseases and Environmental Hazards of Sichuan Province, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, 611130, Sichuan, People's Republic of China
| | - Fengyuan Wang
- Key Laboratory of Animal Diseases and Environmental Hazards of Sichuan Province, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, 611130, Sichuan, People's Republic of China
| | - Xi Peng
- College of Life Sciences, China West Normal University, Nanchong, 637002, Sichuan, People's Republic of China.
| | - Ke Guan
- Key Laboratory of Animal Diseases and Environmental Hazards of Sichuan Province, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, 611130, Sichuan, People's Republic of China
- College of Veterinary Medicine Chengdu, Sichuan Agricultural University, Chengdu, 611130, Sichuan, People's Republic of China
| | - Hang Li
- Key Laboratory of Animal Diseases and Environmental Hazards of Sichuan Province, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, 611130, Sichuan, People's Republic of China
- College of Veterinary Medicine Chengdu, Sichuan Agricultural University, Chengdu, 611130, Sichuan, People's Republic of China
| | - Jing Fang
- Key Laboratory of Animal Diseases and Environmental Hazards of Sichuan Province, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, 611130, Sichuan, People's Republic of China.
- College of Veterinary Medicine Chengdu, Sichuan Agricultural University, Chengdu, 611130, Sichuan, People's Republic of China.
| | - Hengmin Cui
- Key Laboratory of Animal Diseases and Environmental Hazards of Sichuan Province, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, 611130, Sichuan, People's Republic of China
- College of Veterinary Medicine Chengdu, Sichuan Agricultural University, Chengdu, 611130, Sichuan, People's Republic of China
| | - Gang Su
- College of Veterinary Medicine Chengdu, Sichuan Agricultural University, Chengdu, 611130, Sichuan, People's Republic of China
| | - Ping Ouyang
- College of Veterinary Medicine Chengdu, Sichuan Agricultural University, Chengdu, 611130, Sichuan, People's Republic of China
| | - Yi Zhou
- Life Science Department, Sichuan Agricultural University, Ya'an, 625014, Sichuan, People's Republic of China
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Abdel-Wahhab MA, El-Nekeety AA, Hassan NS, Gibriel AAY, Abdel-Wahhab KG. Encapsulation of cinnamon essential oil in whey protein enhances the protective effect against single or combined sub-chronic toxicity of fumonisin B 1 and/or aflatoxin B 1 in rats. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2018; 25:29144-29161. [PMID: 30112645 DOI: 10.1007/s11356-018-2921-2] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/10/2018] [Accepted: 08/06/2018] [Indexed: 05/17/2023]
Abstract
Fumonisin B1 (FB1) and aflatoxin B1 (AFB1) are fungal metabolites that frequently co-occur in foodstuffs and are responsible for mycotoxicosis and several primary cancers. Cinnamon essential oil (CEO) has a spacious range of benefit effects but also has some limitations owing to its strong taste or its interaction with some drugs. This study aimed to use the cinnamon oil emulsion droplets (COED) for the protection against oxidative stress, cytotoxicity, and reproductive toxicity in male Sprague-Dawley rats sub-chronically exposed to FB1 and/or AFB1. The composition of CEO was identified using GC-MS then was encapsulated using whey protein as wall material. Male rats were divided into eight groups and treated orally for 8 weeks as follows: control group, AFB1-trreated group (80 μg/kg b.w), FB1-treated group (100 mg/kg b.w), FB1 plus AFB1-treated group, and the groups treated with COED plus FB1 and/or AFB1. Blood and samples of the kidney, liver, and testis were collected for different analysis and histopathological examination. The GC-MS analysis revealed that cinnamaldehyde, α-copaene, trans-cinnamaldehyde, caryophyllene, and delta-cadinene were the main compounds in COE. The average size of COED was 235 ± 1.4 nm and the zeta potential was - 6.24 ± 0.56. Treatment with FB1 and/or AFB1 induced significant disturbances in the serum biochemical analysis, oxidative stress parameters, DNA fragmentation, gene expression, and testosterone and severe pathological changes in the tested organs. Moreover, treatment with both mycotoxins induced synergistic toxic effects. COED did not induce toxic effects and could normalize the majority of the tested parameters and improve the histological picture in rats treated with FB1 and/or AFB1. It could be concluded that COED induce potential protective effects against the single or combined exposure to FB1 and AFB1.
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Affiliation(s)
- Mosaad A Abdel-Wahhab
- Food Toxicology & Contaminants Department, National Research Center, Dokki, Cairo, Egypt.
| | - Aziza A El-Nekeety
- Food Toxicology & Contaminants Department, National Research Center, Dokki, Cairo, Egypt
| | - Nabila S Hassan
- Pathology Department, National Research Center, Dokki, Cairo, Egypt
| | - Abdullah A Y Gibriel
- Biochemistry & Molecular Biology Department, Faculty of Pharmacy, The British University in Egypt (BUE), Cairo, Egypt
- Center of Drug Research & Development (CDRD), Faculty of Pharmacy, The British University in Egypt (BUE), Cairo, Egypt
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Lu Y, Zhang Y, Liu JQ, Zou P, Jia L, Su YT, Sun YR, Sun SC. Comparison of the toxic effects of different mycotoxins on porcine and mouse oocyte meiosis. PeerJ 2018; 6:e5111. [PMID: 29942714 PMCID: PMC6015490 DOI: 10.7717/peerj.5111] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2018] [Accepted: 06/06/2018] [Indexed: 11/30/2022] Open
Abstract
Background Aflatoxin B1 (AFB1), deoxynivalenol (DON), HT-2, ochratoxin A (OTA), zearalenone (ZEA) are the most common mycotoxins that are found in corn-based animal feed which have multiple toxic effects on animals and humans. Previous studies reported that these mycotoxins impaired mammalian oocyte quality. However, the effective concentrations of mycotoxins to animal oocytes were different. Methods In this study we aimed to compare the sensitivity of mouse and porcine oocytes to AFB1, DON, HT-2, OTA, and ZEA for mycotoxin research. We adopted the polar body extrusion rate of mouse and porcine oocyte as the standard for the effects of mycotoxins on oocyte maturation. Results and Discussion Our results showed that 10 μM AFB1 and 1 μM DON significantly affected porcine oocyte maturation compared with 50 μM AFB1 and 2 μM DON on mouse oocytes. However, 10 nM HT-2 significantly affected mouse oocyte maturation compared with 50 nM HT-2 on porcine oocytes. Moreover, 5 μM OTA and 10 μM ZEA significantly affected porcine oocyte maturation compared with 300 μM OTA and 50 μM ZEA on mouse oocytes. In summary, our results showed that porcine oocytes were more sensitive to AFB1, DON, OTA, and ZEA than mouse oocytes except HT-2 toxin.
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Affiliation(s)
- Yujie Lu
- College of Animal Science & Technology, Nanjing Agricultural University, Nanjing, China
| | - Yue Zhang
- College of Animal Science & Technology, Nanjing Agricultural University, Nanjing, China
| | - Jia-Qian Liu
- College of Animal Science & Technology, Nanjing Agricultural University, Nanjing, China
| | - Peng Zou
- College of Animal Science & Technology, Nanjing Agricultural University, Nanjing, China
| | - Lu Jia
- College of Animal Science & Technology, Nanjing Agricultural University, Nanjing, China
| | | | - Yu-Rong Sun
- Jiangsu Aomai Bio-Tech Company, Nanjing, China
| | - Shao-Chen Sun
- College of Animal Science & Technology, Nanjing Agricultural University, Nanjing, China
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40
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Jebali R, Ben Salah-Abbès J, Abbès S, Hassan AM, Abdel-Aziem SH, El-Nekeety AA, Oueslati R, Abdel-Wahhab MA. Lactobacillus plantarum alleviate aflatoxins (B 1 and M 1 ) induced disturbances in the intestinal genes expression and DNA fragmentation in mice. Toxicon 2018; 146:13-23. [PMID: 29574215 DOI: 10.1016/j.toxicon.2018.03.008] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2017] [Revised: 03/07/2018] [Accepted: 03/20/2018] [Indexed: 01/14/2023]
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Wang F, Zuo Z, Chen K, Gao C, Yang Z, Zhao S, Li J, Song H, Peng X, Fang J, Cui H, Ouyang P, Zhou Y, Shu G, Jing B. Histopathological Injuries, Ultrastructural Changes, and Depressed TLR Expression in the Small Intestine of Broiler Chickens with Aflatoxin B₁. Toxins (Basel) 2018; 10:toxins10040131. [PMID: 29561786 PMCID: PMC5923297 DOI: 10.3390/toxins10040131] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2018] [Revised: 03/16/2018] [Accepted: 03/18/2018] [Indexed: 12/19/2022] Open
Abstract
To explore AFB₁-induced damage of the small intestine, the changes in structure and expression of TLRs (Toll-like Receptors) in the small intestine of chickens were systematically investigated. Ninety healthy neonatal Cobb chickens were randomized into a control group (0 mg/kg AFB₁) and an AFB₁ group (0.6 mg/kg AFB₁). The crypt depth of the small intestine in the AFB₁ group was significantly increased in comparison to the control chickens, while the villus height and area were evidently decreased, as well as the villus:crypt ratio and epithelial thickness. The histopathological observations showed that the villi of the small intestine exposed to AFB₁ were obviously shedding. Based on ultrastructural observation, the absorptive cells of small intestine in the AFB₁ group exhibited fewer microvilli, mitochondrial vacuolation and the disappearance of mitochondrial cristae, and junctional complexes as well as terminal web. Moreover, the number of goblet cells in the small intestine in the AFB₁ group significantly decreased. Also, AFB₁ evidently decreased the mRNA expression of TLR2-2, TLR4, and TLR7 in the small intestine. Taken together, our study indicated that dietary 0.6 mg/kg AFB₁ could induce histopathological injuries and ultrastructural changes, and depress levels of TLR mRNA in the chicken small intestine.
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Affiliation(s)
- Fengyuan Wang
- College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, China.
| | - Zhicai Zuo
- College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, China.
| | - Kejie Chen
- School of Public Health, Chengdu Medical College, Chengdu 610500, China.
| | - Caixia Gao
- College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, China.
| | - Zhuangzhi Yang
- Animal Research Institute, Chengdu Academy of Agriculture and Forestry Sciences, Chengdu 611130, China.
| | - Song Zhao
- College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, China.
| | - Jianzhen Li
- Department of Preventive Veterinary, Chengdu Agricultural College, Chengdu 611130, China.
| | - Hetao Song
- College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, China.
| | - Xi Peng
- College of Life Sciences, China West Normal University, Nanchong 637002, China.
| | - Jing Fang
- College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, China.
| | - Hengmin Cui
- College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, China.
| | - Ping Ouyang
- College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, China.
| | - Yi Zhou
- Life Science Department, Sichuan Agricultural University, Yaan 625014, China.
| | - Gang Shu
- College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, China.
| | - Bo Jing
- College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, China.
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Mughal MJ, Xi P, Yi Z, Jing F. Aflatoxin B1 invokes apoptosis via death receptor pathway in hepatocytes. Oncotarget 2018; 8:8239-8249. [PMID: 28030812 PMCID: PMC5352397 DOI: 10.18632/oncotarget.14158] [Citation(s) in RCA: 68] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2016] [Accepted: 11/24/2016] [Indexed: 11/25/2022] Open
Abstract
The fungal metabolites produced by Aspergillus flavus and Aspergillus parasiticus cause detrimental health effects on humans and animals. Particularly aflatoxin B1 (AFB1) is the most studied and a well-known global carcinogen, producing hepatotoxic, genotoxic and immunotoxic effects in multiple species. AFB1 is shown to provoke liver dysfunctioning by causing hepatocytes apoptosis and disturbing cellular enzymatic activities. In liver, AFB1 causes apoptosis via extrinsic mechanism because of high expression of death receptor pathway. The detailed mechanism of AFB1 induced hepatocytes apoptosis, via death receptor pathway still remains elusive. So the present study was conducted to explore apoptotic mechanism initiated by death receptors and associated genes in aflatoxin B1 induced liver apoptosis in chickens fed with AFB1 for 3 weeks. Results from the present study displayed histopathological and ultrastructural changes in liver such as hydropic degeneration, fatty vacuolar degeneration and proliferation of bile duct in hepatocytes in AFB1 group, along with imbalance between reactive oxygen species (ROS) and antioxidant defense system upon AFB1 ingestion. Moreover, AFB1 intoxicated chickens showed upregulation of death receptors FAS, TNFR1 and associated genes and downregulation of inhibitory apoptotic proteins XIAP and BCL-2. The results obtained from this novel and comprehensive study including histopathological, ultrastructural, flow cytometrical and death receptor pathway gene expression profiles, will facilitate better understanding of mechanisms and involvement of death receptor pathway in hepatocytes apoptosis induced by AFB1 and ultimately may be helpful in bringing down the toxigenic potential of AFB1.
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Affiliation(s)
- Muhammad Jameel Mughal
- Key Laboratory of Animal Diseases and Environmental Hazards of Sichuan Province, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan, PR China
| | - Peng Xi
- Key Laboratory of Southwest China Wildlife Resources Conservation (Ministry of Education), College of Life Sciences, China West Normal University, Nanchong, Sichuan, China
| | - Zhou Yi
- Life Science Department, Sichuan Agricultural University, Yaan, Sichuan, PR China
| | - Fang Jing
- Key Laboratory of Animal Diseases and Environmental Hazards of Sichuan Province, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan, PR China
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Yuan S, Wu B, Yu Z, Fang J, Liang N, Zhou M, Huang C, Peng X. The mitochondrial and endoplasmic reticulum pathways involved in the apoptosis of bursa of Fabricius cells in broilers exposed to dietary aflatoxin B1. Oncotarget 2018; 7:65295-65306. [PMID: 27542244 PMCID: PMC5323156 DOI: 10.18632/oncotarget.11321] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2016] [Accepted: 07/28/2016] [Indexed: 12/21/2022] Open
Abstract
Aflatoxin B1 (AFB1), a toxic metabolite produced by some fungi, exerts well-known hepatocarcinogenic and immunosuppressive effects, the latter can increase the apoptotic immune cells in vitro. However, it is largely unknown that which signaling pathways contribute to excessive apoptosis of immune cells which induced by AFB1. In this study, we investigated the roles of the mitochondria, endoplasmic reticulum (ER) and death receptor activated apoptotic pathways in the bursal of Fabricius (BF) cells in the broilers exposed to AFB1 diet. We found that (1) AFB1 diet induced morphological changes in the BF. (2) FCM and TUNEL methods showed that excessive apoptosis could be resulted from AFB1 intake. (3) AFB1-induced apoptosis of bursal cells involved mitochondrial pathway (increase of Bax, Bak, cytC, caspase-9, Apaf-1, caspase-3 and decrease of Bcl-2 and Bcl-xL) and ER pathway (increase of Grp78/Bip, Grp94 and CaM). (4) Oxidative stress was confirmed in the BF of chicken fed on AFB1 diet. Overall, this work is the first to demonstrate that the activation of mitochondria and ER apoptosis pathways can lead to excessive apoptosis in BF cells, and oxidative stress is a crucial driver during AFB1 exposure.
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Affiliation(s)
- Shibin Yuan
- Department of Wild Animal Disease, College of Life Science, China West Normal University, Nanchong 637009, Sichuan, The People's Republic of China.,Key Laboratory of Southwest China Wildlife Resources Conservation (China West Normal University), Ministry of Education, Nanchong 637009, Sichuan, The People's Republic of China
| | - Bangyuan Wu
- Department of Wild Animal Disease, College of Life Science, China West Normal University, Nanchong 637009, Sichuan, The People's Republic of China.,Key Laboratory of Southwest China Wildlife Resources Conservation (China West Normal University), Ministry of Education, Nanchong 637009, Sichuan, The People's Republic of China
| | - Zhengqiang Yu
- Department of Animal Pathlogy, College of Veterinary Medicine, Sichuan Agricultural University, Ya'an 625014, Sichuan, The People's Republic of China
| | - Jing Fang
- Department of Animal Pathlogy, College of Veterinary Medicine, Sichuan Agricultural University, Ya'an 625014, Sichuan, The People's Republic of China
| | - Na Liang
- Department of Animal Pathlogy, College of Veterinary Medicine, Sichuan Agricultural University, Ya'an 625014, Sichuan, The People's Republic of China
| | - Mingqiang Zhou
- Department of Wild Animal Disease, College of Life Science, China West Normal University, Nanchong 637009, Sichuan, The People's Republic of China.,Key Laboratory of Southwest China Wildlife Resources Conservation (China West Normal University), Ministry of Education, Nanchong 637009, Sichuan, The People's Republic of China
| | - Cheng Huang
- Department of Wild Animal Disease, College of Life Science, China West Normal University, Nanchong 637009, Sichuan, The People's Republic of China.,Key Laboratory of Southwest China Wildlife Resources Conservation (China West Normal University), Ministry of Education, Nanchong 637009, Sichuan, The People's Republic of China
| | - Xi Peng
- Department of Wild Animal Disease, College of Life Science, China West Normal University, Nanchong 637009, Sichuan, The People's Republic of China.,Key Laboratory of Southwest China Wildlife Resources Conservation (China West Normal University), Ministry of Education, Nanchong 637009, Sichuan, The People's Republic of China
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The molecular mechanism of cell cycle arrest in the Bursa of Fabricius in chick exposed to Aflatoxin B 1. Sci Rep 2018; 8:1770. [PMID: 29379099 PMCID: PMC5789014 DOI: 10.1038/s41598-018-20164-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2017] [Accepted: 01/15/2018] [Indexed: 12/12/2022] Open
Abstract
Aflatoxin B1 shows potent hepatotoxic, carcinogenic, genotoxic, immunotoxic potential in humans and many species of animals. The aim of this study was to clarify the underlying mechanism of G0G1 phase and G2M phase arrest of cell cycle in the bursa of Fabricius in broilers exposed to dietary AFB1. 144 one-day-old healthy Cobb broilers were randomly divided into two groups and fed on control diet and 0.6 mg·Kg−1 AFB1 diet for 3 weeks. Histological observation showed that AFB1 induced the increase of nuclear debris and vacuoles in lymphoid follicle of BF. Results of flow cytometry studies showed that bursal cells arrested in G2M phase at 7 days of age and blocked in G0G1 phase at 14 and 21 days of age following exposure to AFB1. The qRT-PCR analysis indicated that cell cycle arrested in G2M phase via ATM-Chk2-cdc25-cyclin B/cdc2 pathway, and blocked in G0G1 phase through ATM-Chk2-cdc25-cyclin D/CDK6 pathway and ATM-Chk2-p21-cyclin D/CDK6 route. In a word, our results provided new insights that AFB1 diet induced G2M and G0G1 phase blockage of BF cells in different periods, and different pathways were activated in different arrested cell cycle phase.
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45
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Wang H, Ni X, Qing X, Liu L, Lai J, Khalique A, Li G, Pan K, Jing B, Zeng D. Probiotic Enhanced Intestinal Immunity in Broilers against Subclinical Necrotic Enteritis. Front Immunol 2017; 8:1592. [PMID: 29209325 PMCID: PMC5701917 DOI: 10.3389/fimmu.2017.01592] [Citation(s) in RCA: 62] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2017] [Accepted: 11/06/2017] [Indexed: 01/25/2023] Open
Abstract
Along with banning of antibiotics, necrotic enteritis (NE), especially subclinical NE (SNE) whereby no clinical signs are present in chicks, has become one of the most threatening problems in poultry industry. Therefore, increasing attention has been focused on research and application of effective probiotic strains, as an alternative to antibiotics, to prevent SNE in broilers. In the present study, we evaluated the effects of Lactobacillus johnsonii BS15 on the prevention of SNE in broilers. Specifically, assessment determined the growth performance and indexes related to intestinal mucosal immunity in the ileum and cecal tonsil of broilers. A total of 300 1-day-old Cobb 500 chicks were randomly distributed into the following 5 groups: control group (fed with basal diet + de Man, Rogosa, and Sharpe liquid medium [normal diet]), SNE group (normal diet), BS15 group (basal diet + 1 × 106 colony-forming units BS15/g as fed [BS15 diet]), treatment group (normal diet [days 1-28] + BS15 diet [days 29-42]), and prevention group (BS15 diet [days 1-28] + normal diet [days 29-42]) throughout a 42-day experimental period. SNE infection was treated for all chicks in the SNE, BS15, treatment, and prevention groups. The present results demonstrated that BS15 supplementation of feeds in BS15 and prevention groups exerted a positive effect on preventing negative influences on growth performance; these negative influences included low body weight gain and increased feed conversion ratio caused by SNE. Although no changes were detected in all determined indexes in cecal tonsils, BS15-treated broilers were free from SNE-caused damage in villi in the ileum. BS15 inhibited SNE-caused decrease in immunoglobulins in the ileum. In the lamina propria of ileum, T cell subsets of lymphocytes influenced by SNE were also controlled by BS15. BS15 affected antioxidant abilities of the ileum and controlled SNE-induced mitochondrion-mediated apoptosis by positively changing contents and/or mRNA expression levels of apoptosis-related proteins. These findings indicate that BS15 supplementation may prevent SNE-affected growth decline mainly through enhancing intestinal immunity in broilers.
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Affiliation(s)
- Hesong Wang
- Animal Microecology Institute, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, China
| | - Xueqin Ni
- Animal Microecology Institute, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, China
| | - Xiaodan Qing
- Animal Microecology Institute, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, China
| | - Lei Liu
- Animal Microecology Institute, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, China
| | - Jing Lai
- Animal Microecology Institute, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, China
| | - Abdul Khalique
- Animal Microecology Institute, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, China
| | - Guangyao Li
- Ya'an Agricultural Science and Technology Development Co., Ltd., Ya'an, China
| | - Kangcheng Pan
- Animal Microecology Institute, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, China
| | - Bo Jing
- Animal Microecology Institute, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, China
| | - Dong Zeng
- Animal Microecology Institute, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, China
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46
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Aflatoxin B 1 affects apoptosis and expression of death receptor and endoplasmic reticulum molecules in chicken spleen. Oncotarget 2017; 8:99531-99540. [PMID: 29245921 PMCID: PMC5725112 DOI: 10.18632/oncotarget.20595] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2017] [Accepted: 07/26/2017] [Indexed: 01/18/2023] Open
Abstract
Aflatoxin B1 (AFB1) is a natural product of the Aspergillus genus of molds, which grow on several foodstuffs stored in hot moist conditions, and is among the most potent hepatocarcinogens and immunosuppression presently known. The latter was related to the up-regulated apoptosis of immune organs. However, the effect of expression of death receptor and endoplasmic reticulum molecules in AFB1-induced apoptosis of chicken splenocytes was largely unknown. The objective of this study was to investigate this unknown field. One hundred and forty four one-day-old chickens were randomly divided into control group (0 mg/kg AFB1) and AFB1 group (0.6 mg/kg AFB1), respectively and fed with AFB1 for 21 days. Histological observation demonstrated that AFB1 caused slight congestion and lymphocytic depletion in the spleen. TUNEL and flow cytometry assays showed the excessive apoptosis of splenocytes provoked by AFB1. Moreover, quantitative real-time PCR analysis revealed that AFB1 induced the elevated mRNA expression of Fas, FasL, TNF-α, TNF-R1, Caspase-3, Caspase-8, Caspase-10, Grp78 and Grp94 in the spleen. These findings suggested that AFB1 could lead the excessive apoptosis and alter the expression of death receptor and endoplasmic reticulum molecules in chicken spleen.
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47
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Mughal MJ, Peng X, Kamboh AA, Zhou Y, Fang J. Aflatoxin B 1 Induced Systemic Toxicity in Poultry and Rescue Effects of Selenium and Zinc. Biol Trace Elem Res 2017; 178:292-300. [PMID: 28064414 DOI: 10.1007/s12011-016-0923-9] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/23/2016] [Accepted: 12/25/2016] [Indexed: 12/12/2022]
Abstract
Among many challenges, exposure to aflatoxins, particularly aflatoxin B1 (AFB1), is one of the major concerns in poultry industry. AFB1 intoxication results in decreased meat/egg production, hepatotoxicity, nephrotoxicity, disturbance in gastrointestinal tract (GIT) and reproduction, immune suppression, and increased disease susceptibility. Selenium (Se) and zinc (Zn), in dietary supplementation, offer easy, cost-effective, and efficient ways to neutralize the toxic effect of AFB1. In the current review, we discussed the impact of AFB1 on poultry industry, its biotransformation, and organ-specific noxious effects, along with the action mechanism of AFB1-induced toxicity. Moreover, we explained the biological and detoxifying roles of Se and Zn in avian species as well as the protection mechanism of these two trace elements. Ultimately, we discussed the use of Se and Zn supplementation against AFB1-induced toxicity in poultry birds.
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Affiliation(s)
- Muhammad Jameel Mughal
- Keys Laboratory of Animal Diseases and Environmental Hazards of Sichuan Province, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan, People's Republic of China
| | - Xi Peng
- Key Laboratory of Southwest China Wildlife Resources Conservation (Ministry of Education), College of Life Sciences, China West Normal University, Nanchong, Sichuan, People's Republic of China.
| | - Asghar Ali Kamboh
- Department of Veterinary Microbiology, Sindh Agriculture University Tandojam, Tandojam, Pakistan
| | - Yi Zhou
- Life Science Department, Sichuan Agricultural University, Yaan, Sichuan, People's Republic of China
| | - Jing Fang
- Keys Laboratory of Animal Diseases and Environmental Hazards of Sichuan Province, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan, People's Republic of China.
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48
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Yin S, Liu X, Fan L, Hu H. Mechanisms of cell death induction by food-borne mycotoxins. Crit Rev Food Sci Nutr 2017; 58:1406-1417. [DOI: 10.1080/10408398.2016.1260526] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Shutao Yin
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Department of Nutrition and Health, College of Food Science and Nutritional Engineering, China Agricultural University, National Engineering Research Center for Fruit and Vegetable Processing, Beijing, China, Haidian District, Beijing, China
| | - Xiaoyi Liu
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Department of Nutrition and Health, College of Food Science and Nutritional Engineering, China Agricultural University, National Engineering Research Center for Fruit and Vegetable Processing, Beijing, China, Haidian District, Beijing, China
| | - Lihong Fan
- College of Veterinary Medicine, China Agricultural University, Haidian District, Beijing, China
| | - Hongbo Hu
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Department of Nutrition and Health, College of Food Science and Nutritional Engineering, China Agricultural University, National Engineering Research Center for Fruit and Vegetable Processing, Beijing, China, Haidian District, Beijing, China
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49
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Abstract
Mitochondria play fundamental roles in the regulation of life and death of eukaryotic cells. They mediate aerobic energy conversion through the oxidative phosphorylation (OXPHOS) system, and harbor and control the intrinsic pathway of apoptosis. As a descendant of a bacterial endosymbiont, mitochondria retain a vestige of their original genome (mtDNA), and its corresponding full gene expression machinery. Proteins encoded in the mtDNA, all components of the multimeric OXPHOS enzymes, are synthesized in specialized mitochondrial ribosomes (mitoribosomes). Mitoribosomes are therefore essential in the regulation of cellular respiration. Additionally, an increasing body of literature has been reporting an alternative role for several mitochondrial ribosomal proteins as apoptosis-inducing factors. No surprisingly, the expression of genes encoding for mitoribosomal proteins, mitoribosome assembly factors and mitochondrial translation factors is modified in numerous cancers, a trait that has been linked to tumorigenesis and metastasis. In this article, we will review the current knowledge regarding the dual function of mitoribosome components in protein synthesis and apoptosis and their association with cancer susceptibility and development. We will also highlight recent developments in targeting mitochondrial ribosomes for the treatment of cancer.
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50
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Wang WJ, Xu ZL, Yu C, Xu XH. Effects of aflatoxin B1 on mitochondrial respiration, ROS generation and apoptosis in broiler cardiomyocytes. Anim Sci J 2017; 88:1561-1568. [PMID: 28401999 DOI: 10.1111/asj.12796] [Citation(s) in RCA: 46] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2016] [Accepted: 01/12/2017] [Indexed: 12/13/2022]
Affiliation(s)
- Wen-Jun Wang
- College of Life Sciences; South-Central University for Nationalities; Wuhan China
| | - Zhi-Liang Xu
- The People's Hospital of Hanchuan City; Hanchuan China
| | - Cheng Yu
- College of Life Sciences; South-Central University for Nationalities; Wuhan China
| | - Xiao-Hong Xu
- The People's Hospital of Hanchuan City; Hanchuan China
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