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Deng B, Li Y, Yang Y, Xie W. Advantages of UHT in retaining coconut milk aroma and insights into thermal changes of aroma compounds. Food Res Int 2024; 194:114937. [PMID: 39232549 DOI: 10.1016/j.foodres.2024.114937] [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: 05/17/2024] [Revised: 08/02/2024] [Accepted: 08/14/2024] [Indexed: 09/06/2024]
Abstract
Coconut milk products are susceptible to bacterial damage, necessitating sterilization methods that often compromise nutrient and aroma integrity. This study investigates the effects of different thermal sterilisation methods on coconut milk aroma using headspace gas chromatography-ion mobility spectrometry (HS-GC-IMS) and headspace solid-phase microextraction gas chromatography-mass spectrometry (HS-SPME-GC-MS). We assessed the impact of pasteurisation (PAS, 70 °C, 25 min), high-temperature sterilisation (HTS, 121.1 °C, 15 min), and ultra-high temperature sterilisation (UHT, 130 °C, 5 s) through clustered heat maps and correlation analyses. Significant differences were observed (p < 0.05), with 37 and 52 substances detected by HS-GC-IMS and HS-SPME-GC-MS, respectively, identifying 12 key aroma compounds. UHT treatment primarily reduced 8 acids, maintaining a compositional structure and sensory profile similar to raw coconut milk. PAS and HTS treatments decreased the sensory intensity of overall coconut milk aroma, creamy, and floral notes, correlating with the presence of 2-heptanol, nonanal, 4-methylvaleric acid, and 2-tridecanone. These methods increased cooked notes, associated with 5-methyl-3-heptanone, 3-butyn-1-ol, hydroxyacetone, and acetoin. Rancidity was linked to acids such as isobutyric acid, isovaleric acid, and heptanoic acid, with high temperatures effectively reducing these compounds. Prolonged temperature changes in PAS and HTS accelerated lipid oxidative degradation and the Maillard reaction, involving free fatty acids in the formation of alcohols, aldehydes, esters, and lactones. These findings provide a theoretical basis for studying coconut milk flavour deterioration.
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Affiliation(s)
- Baohua Deng
- College of Marine Science and Biological Engineering, Qingdao University of Science and Technology, Shandong, Qingdao 266042, China; Jiangsu Susa Food Co., LTD., Taizhou 225324, China
| | - Yang Li
- College of Marine Science and Biological Engineering, Qingdao University of Science and Technology, Shandong, Qingdao 266042, China
| | - Ye Yang
- College of Marine Science and Biological Engineering, Qingdao University of Science and Technology, Shandong, Qingdao 266042, China
| | - Wancui Xie
- College of Marine Science and Biological Engineering, Qingdao University of Science and Technology, Shandong, Qingdao 266042, China.
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2
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Khan MZ, Li L, Wang T, Liu X, Chen W, Ma Q, Zahoor M, Wang C. Bioactive Compounds and Probiotics Mitigate Mastitis by Targeting NF-κB Signaling Pathway. Biomolecules 2024; 14:1011. [PMID: 39199398 PMCID: PMC11352841 DOI: 10.3390/biom14081011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2024] [Revised: 08/10/2024] [Accepted: 08/12/2024] [Indexed: 09/01/2024] Open
Abstract
Mastitis is a significant inflammatory condition of the mammary gland in dairy cows. It is caused by bacterial infections and leads to substantial economic losses worldwide. The disease can be either clinical or sub-clinical and presents challenges such as reduced milk yield, increased treatment costs, and the need to cull affected cows. The pathogenic mechanisms of mastitis involve the activation of Toll-like receptors (TLRs), specifically TLR2 and TLR4. These receptors play crucial roles in recognizing pathogen-associated molecular patterns (PAMPs) and initiating immune responses through the NF-κB signaling pathway. Recent in vitro studies have emphasized the importance of the TLR2/TLR4/NF-κB signaling pathway in the development of mastitis, suggesting its potential as a therapeutic target. This review summarizes recent research on the role of the TLR2/TLR4/NF-κB signaling pathway in mastitis. It focuses on how the activation of TLRs leads to the production of proinflammatory cytokines, which, in turn, exacerbate the inflammatory response by activating the NF-κB signaling pathway in mammary gland tissues. Additionally, the review discusses various bioactive compounds and probiotics that have been identified as potential therapeutic agents for preventing and treating mastitis by targeting TLR2/TLR4/NF-κB signaling pathway. Overall, this review highlights the significance of targeting the TLR2/TLR4/NF-κB signaling pathway to develop effective therapeutic strategies against mastitis, which can enhance dairy cow health and reduce economic losses in the dairy industry.
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Affiliation(s)
- Muhammad Zahoor Khan
- Liaocheng Research Institute of Donkey High-Efficiency Breeding and Ecological Feeding, Liaocheng University, Liaocheng 522000, China
| | - Liangliang Li
- Liaocheng Research Institute of Donkey High-Efficiency Breeding and Ecological Feeding, Liaocheng University, Liaocheng 522000, China
| | - Tongtong Wang
- Liaocheng Research Institute of Donkey High-Efficiency Breeding and Ecological Feeding, Liaocheng University, Liaocheng 522000, China
| | - Xiaotong Liu
- Liaocheng Research Institute of Donkey High-Efficiency Breeding and Ecological Feeding, Liaocheng University, Liaocheng 522000, China
| | - Wenting Chen
- Liaocheng Research Institute of Donkey High-Efficiency Breeding and Ecological Feeding, Liaocheng University, Liaocheng 522000, China
| | - Qingshan Ma
- Liaocheng Research Institute of Donkey High-Efficiency Breeding and Ecological Feeding, Liaocheng University, Liaocheng 522000, China
| | - Muhammad Zahoor
- Department of Molecular Medicine, Institute of Basic Medical Sciences, University of Oslo, Sognsvannsveien, 90372 Oslo, Norway
| | - Changfa Wang
- Liaocheng Research Institute of Donkey High-Efficiency Breeding and Ecological Feeding, Liaocheng University, Liaocheng 522000, China
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3
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Shan Q, Wang X, Yang H, Zhu Y, Wang J, Yang G. Bacillus cereus CwpFM induces colonic tissue damage and inflammatory responses through oxidative stress and the NLRP3/NF-κB pathway. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 933:173079. [PMID: 38735331 DOI: 10.1016/j.scitotenv.2024.173079] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/20/2024] [Revised: 03/30/2024] [Accepted: 05/07/2024] [Indexed: 05/14/2024]
Abstract
Bacillus cereus (B. cereus) from cow milk poses a threat to public health, causing food poisoning and gastrointestinal disorders in humans. We identified CwpFM, an enterotoxin from B. cereus, caused oxidative stress and inflammatory responses in mouse colon and colonic epithelial cells. Colon proteomics revealed that CwpFM elevated proteins associated with inflammation and oxidative stress. Notably, CwpFM induced activation of the NLRP3/NF-κB signaling, but suppressed antioxidant NFE2L2/HO-1 expression in the intestine and epithelial cells. Consistently, CwpFM exposure led to cytotoxicity and ROS accumulation in Caco-2 cells in a dose-dependent manner. Further, NAC (ROS inhibitor) treatment abolished NLRP3/NF-κB activation due to CwpFM. Moreover, overexpression of Nfe2l2 or activation of NFE2L2 by NK-252 reduced ROS production and inhibited activation of the NLRP3/NF-κB pathway. Inhibition of NF-κB by ADPC and/or suppression of NLRP3 by MCC950 attenuated CwpFM-induced inflammatory responses in Caco-2 cells. Collectively, CwpFM induced oxidative stress and NLRP3/NF-κB activation by inhibiting the NFE2L2/HO-1 signaling and ROS accumulation, leading to the development of intestinal inflammation. Our data elucidate the role of oxidative stress and innate immunity in CwpFM enterotoxicity and contribute to developing diagnostic and therapeutic products for B. cereus-related food safety issues.
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Affiliation(s)
- Qiang Shan
- Department of Veterinary Clinical Sciences, College of Veterinary Medicine, China Agricultural University, Beijing 100193, China; Sanya Institute of China Agricultural University, Sanya 572025, China
| | - Xue Wang
- Department of Veterinary Clinical Sciences, College of Veterinary Medicine, China Agricultural University, Beijing 100193, China; Sanya Institute of China Agricultural University, Sanya 572025, China
| | - Hao Yang
- Department of Veterinary Clinical Sciences, College of Veterinary Medicine, China Agricultural University, Beijing 100193, China; Sanya Institute of China Agricultural University, Sanya 572025, China
| | - Yaohong Zhu
- Department of Veterinary Clinical Sciences, College of Veterinary Medicine, China Agricultural University, Beijing 100193, China; Sanya Institute of China Agricultural University, Sanya 572025, China
| | - Jiufeng Wang
- Department of Veterinary Clinical Sciences, College of Veterinary Medicine, China Agricultural University, Beijing 100193, China; Sanya Institute of China Agricultural University, Sanya 572025, China.
| | - Guiyan Yang
- Department of Veterinary Clinical Sciences, College of Veterinary Medicine, China Agricultural University, Beijing 100193, China.
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Shan Q, Ma W, Li B, Li Q, Wang X, Li Y, Wang J, Zhu Y, Liu N. Revealing the Mechanism of NLRP3 Inflammatory Pathway Activation through K + Efflux Induced by PLO via Signal Point Mutations. Int J Mol Sci 2024; 25:6703. [PMID: 38928408 PMCID: PMC11203744 DOI: 10.3390/ijms25126703] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2024] [Revised: 06/11/2024] [Accepted: 06/12/2024] [Indexed: 06/28/2024] Open
Abstract
Trueperella pyogenes is an important opportunistic pathogenic bacterium widely distributed in the environment. Pyolysin (PLO) is a primary virulence factor of T. pyogenes and capable of lysing many different cells. PLO is a member of the cholesterol-dependent cytolysin (CDC) family of which the primary structure only presents a low level of homology with other members from 31% to 45%. By deeply studying PLO, we can understand the overall pathogenic mechanism of CDC family proteins. This study established a mouse muscle tissue model infected with recombinant PLO (rPLO) and its single-point mutations, rPLO N139K and rPLO F240A, and explored its mechanism of causing inflammatory damage. The inflammatory injury abilities of rPLO N139K and rPLO F240A are significantly reduced compared to rPLO. This study elaborated on the inflammatory mechanism of PLO by examining its unit point mutations in detail. Our data also provide a theoretical basis and practical significance for future research on toxins and bacteria.
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Affiliation(s)
- Qiang Shan
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China; (Q.S.); (W.M.); (B.L.); (Q.L.); (Y.L.)
- College of Veterinary Medicine, China Agricultural University, Beijing 100093, China; (X.W.); (J.W.); (Y.Z.)
| | - Wenbo Ma
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China; (Q.S.); (W.M.); (B.L.); (Q.L.); (Y.L.)
| | - Bolin Li
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China; (Q.S.); (W.M.); (B.L.); (Q.L.); (Y.L.)
| | - Qian Li
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China; (Q.S.); (W.M.); (B.L.); (Q.L.); (Y.L.)
| | - Xue Wang
- College of Veterinary Medicine, China Agricultural University, Beijing 100093, China; (X.W.); (J.W.); (Y.Z.)
| | - Yanan Li
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China; (Q.S.); (W.M.); (B.L.); (Q.L.); (Y.L.)
| | - Jiufeng Wang
- College of Veterinary Medicine, China Agricultural University, Beijing 100093, China; (X.W.); (J.W.); (Y.Z.)
| | - Yaohong Zhu
- College of Veterinary Medicine, China Agricultural University, Beijing 100093, China; (X.W.); (J.W.); (Y.Z.)
| | - Ning Liu
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China; (Q.S.); (W.M.); (B.L.); (Q.L.); (Y.L.)
- College of Veterinary Medicine, China Agricultural University, Beijing 100093, China; (X.W.); (J.W.); (Y.Z.)
- Key Laboratory of the Provincial Education Department of Heilongjiang for Common Animal Disease Prevention and Treatment, College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China
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Chen Z, Feng L, Wu P, Jiang WD, Jiang J, Zhou XQ, Liu Y. From growth promotion to intestinal inflammation alleviation: Unraveling the potential role of Lactobacillus rhamnosus GCC-3 in juvenile grass carp (Ctenopharyngodon idella). FISH & SHELLFISH IMMUNOLOGY 2024; 148:109511. [PMID: 38499215 DOI: 10.1016/j.fsi.2024.109511] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/26/2024] [Revised: 03/07/2024] [Accepted: 03/15/2024] [Indexed: 03/20/2024]
Abstract
Lactobacillus rhamnosus is a probiotic, which not only promotes the growth of animals, but also has anti-inflammatory effects. However, the mechanism by which Lactobacillus rhamnosus regulates intestinal immunity is not well comprehended. Hence, the study aimed to research how Lactobacillus rhamnosus affects the intestinal immunity using juvenile grass carp (Ctenopharyngodon idella) as a model. We selected 1800 juvenile grass carp for testing. They were divided into six treatments and fed with six gradients of Lactobacillus rhamnosus GCC-3 (0.0, 0.5, 1.0, 1.5, 2.0, 2.5 g/kg) for 70 days. Enteritis was subsequently induced with dextroside sodium sulfate. Results indicated that dietary Lactobacillus rhamnosus GCC-3 addition improved growth performance. Meanwhile, appropriate levels of Lactobacillus rhamnosus GCC-3 alleviated excessive inflammatory response by down-regulating the expression of TLR4 and NOD receptors, up-regulating the expression of TOR, and then down-regulating the expression of NF-κB. Additionally, appropriate Lactobacillus rhamnosus GCC-3 improved intestinal immunity by reducing pyroptosis triggered by NLRP3 inflammasome and mediated by GSDME. Furthermore, 16 S rRNA sequencing showing appropriate levels of Lactobacillus rhamnosus GCC-3 increased Lactobacillus and Bifidobacterium abundance and decreased Aeromonas abundance. These results suggest that Lactobacillus rhamnosus GCC-3 can alleviate intestinal inflammation through down-regulating NF-κB and up-regulating TOR signaling pathways, as well as by inhibiting pyroptosis.
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Affiliation(s)
- Zhen Chen
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, 611130, China
| | - Lin Feng
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, 611130, China; Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, 611130, China; Key Laboratory of Animal Disease-Resistance Nutrition, Ministry of Education, Ministry of Agriculture and Rural Affairs, Key Laboratory of Sichuan Province, Sichuan, 611130, China
| | - Pei Wu
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, 611130, China; Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, 611130, China; Key Laboratory of Animal Disease-Resistance Nutrition, Ministry of Education, Ministry of Agriculture and Rural Affairs, Key Laboratory of Sichuan Province, Sichuan, 611130, China
| | - Wei-Dan Jiang
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, 611130, China; Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, 611130, China; Key Laboratory of Animal Disease-Resistance Nutrition, Ministry of Education, Ministry of Agriculture and Rural Affairs, Key Laboratory of Sichuan Province, Sichuan, 611130, China
| | - Jun Jiang
- College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, 611130, China
| | - Xiao-Qiu Zhou
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, 611130, China; Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, 611130, China; Key Laboratory of Animal Disease-Resistance Nutrition, Ministry of Education, Ministry of Agriculture and Rural Affairs, Key Laboratory of Sichuan Province, Sichuan, 611130, China.
| | - Yang Liu
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, 611130, China; Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, 611130, China; Key Laboratory of Animal Disease-Resistance Nutrition, Ministry of Education, Ministry of Agriculture and Rural Affairs, Key Laboratory of Sichuan Province, Sichuan, 611130, China.
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6
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Touza-Otero L, Landin M, Diaz-Rodriguez P. Fighting antibiotic resistance in the local management of bovine mastitis. Biomed Pharmacother 2024; 170:115967. [PMID: 38043445 DOI: 10.1016/j.biopha.2023.115967] [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: 09/19/2023] [Revised: 11/15/2023] [Accepted: 11/27/2023] [Indexed: 12/05/2023] Open
Abstract
Bovine mastitis is a widespread infectious disease with a significant economic burden, accounting for 80 % of the antibiotic usage in dairy animals. In recent years, extensive research has focused on using biomimetic approaches such as probiotics, bacteriocins, bacteriophages, or phytochemicals as potential alternatives to antibiotics. The local administration of therapeutic molecules through the intramammary route is one of the most commonly strategies to manage bovine mastitis. This review highlights the most important findings in this field and discusses their local application in mastitis therapy. In contrast to antibiotics, the proposed alternatives are not limited to promote bacterial death but consider other factors associated to the host microenvironments. To this end, the proposed biomimetic strategies can modulate different stages of infection by modifying the local microbiota, preventing oxidative stress, reducing bacterial adhesion to epithelial cells, modulating the immune response, or mediating the inflammatory process. Numerous in vitro studies support the antimicrobial, antibiofilm or antioxidant properties of these alternatives. However, in vivo studies incorporating these components within pharmaceutical formulations with potential clinical application are limited. The development of secure, stable, and effective drug delivery systems based on the proposed options is necessary to achieve real alternatives to antibiotics in the clinic.
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Affiliation(s)
- Lara Touza-Otero
- Department of Pharmacology, Pharmacy and Pharmaceutical Technology, Grupo I+D Farma (GI-1645), Facultad de Farmacia, Universidade de Santiago de Compostela, Santiago de Compostela 15782, Spain; Instituto de Investigación Sanitaria de Santiago de Compostela (IDIS), IDIS Research Institute, 15706 Santiago de Compostela, Spain; Instituto de Materiais da Universidade de Santiago de Compostela (iMATUS), 15706 Santiago de Compostela, Spain
| | - Mariana Landin
- Department of Pharmacology, Pharmacy and Pharmaceutical Technology, Grupo I+D Farma (GI-1645), Facultad de Farmacia, Universidade de Santiago de Compostela, Santiago de Compostela 15782, Spain; Instituto de Investigación Sanitaria de Santiago de Compostela (IDIS), IDIS Research Institute, 15706 Santiago de Compostela, Spain; Instituto de Materiais da Universidade de Santiago de Compostela (iMATUS), 15706 Santiago de Compostela, Spain
| | - Patricia Diaz-Rodriguez
- Department of Pharmacology, Pharmacy and Pharmaceutical Technology, Grupo I+D Farma (GI-1645), Facultad de Farmacia, Universidade de Santiago de Compostela, Santiago de Compostela 15782, Spain; Instituto de Investigación Sanitaria de Santiago de Compostela (IDIS), IDIS Research Institute, 15706 Santiago de Compostela, Spain; Instituto de Materiais da Universidade de Santiago de Compostela (iMATUS), 15706 Santiago de Compostela, Spain.
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7
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Chen Y, Zhu F, Che X, Li Y, Li N, Jiang Z, Li X. Angelica acutiloba Kitagawa flower induces A549 cell pyroptosis via the NF-κB/NLRP3 pathway for anti-lung cancer effects. Cell Div 2023; 18:19. [PMID: 37907950 PMCID: PMC10619230 DOI: 10.1186/s13008-023-00102-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2023] [Accepted: 10/25/2023] [Indexed: 11/02/2023] Open
Abstract
Angelica acutiloba Kitagawa, a traditional medicinal herb of the Umbelliferae family, has been demonstrated to have anticancer activity. In this study, we investigated the anti-lung cancer effects of two compounds extracted from A. acutiloba flowers: kaempferol-3-O-α-L-(4″-E-p-coumaroyl)-rhamnoside (KAE) and platanoside (PLA). MTT, cell colony formation, and cell migration (scratch) assays revealed that both KAE (100 μM) and PLA (50 μM and 100 μM) inhibited the viability, proliferation, and migration of A549 cells. Dichlorodihydrofluorescein diacetate assays showed that KAE and PLA also induced the generation of reactive oxygen species in A549 cells. Morphologically, A549 cells swelled and grew larger under treatment with KAE and PLA, with the most significant changes at 100 μM PLA. Fluorescence staining and measurement of lactate dehydrogenase release showed that the cells underwent pyroptosis with concomitant upregulation of interleukin (IL)-1β and IL-18. Furthermore, both KAE and PLA induced upregulation of NF-κB, PARP, NLRP3, ASC, cleaved-caspase-1, and GSDMD expression in A549 cells. Subsequent investigations unveiled that these compounds interact with NLRP3, augment NLRP3's binding affinity with ASC, and stimulate the assembly of the inflammasome, thereby inducing pyroptosis. In conclusion, KAE and PLA, two active components of A. acutiloba flower extract, had significant anti-lung cancer activities exerted through regulation of proteins related to the NLRP3 inflammasome pathway.
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Affiliation(s)
- Yonghu Chen
- Yanbian University Hospital, Yanbian University, Yanji, 133002, People's Republic of China
| | - Fangying Zhu
- Yanbian University Hospital, Yanbian University, Yanji, 133002, People's Republic of China
- Changchun Institute of Biological Products Co., Ltd, Changchun, 130012, People's Republic of China
| | - Xianhua Che
- Yanbian University Hospital, Yanbian University, Yanji, 133002, People's Republic of China
| | - Yanwei Li
- Yanbian University Hospital, Yanbian University, Yanji, 133002, People's Republic of China
| | - Ning Li
- School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, 110016, People's Republic of China
| | - Zhe Jiang
- Yanbian University Hospital, Yanbian University, Yanji, 133002, People's Republic of China.
| | - Xuezheng Li
- Yanbian University Hospital, Yanbian University, Yanji, 133002, People's Republic of China.
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Chang R, Jia H, Dong Z, Xu Q, Liu L, Majigsuren Z, Batbaatar T, Xu C, Yang Q, Sun X. Free Fatty Acids Induce Apoptosis of Mammary Epithelial Cells of Ketotic Dairy Cows via the Mito-ROS/NLRP3 Signaling Pathway. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:12645-12656. [PMID: 37585786 DOI: 10.1021/acs.jafc.3c02090] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/18/2023]
Abstract
Early lactation increases metabolic stress in ketotic dairy cows, leading to mitochondrial damage, apoptosis, and inflammatory response in mammary epithelial cells. The pyrin domain 3 (NLRP3) pathway involving the mitochondrial reactive oxygen species (Mito-ROS)-induced nucleotide-binding oligomerization domain-like receptor has been recognized as a key mechanism in this inflammatory response and cell apoptosis. This study aimed to elucidate the underlying regulatory mechanism of Mito-ROS-NLRP3 pathway-mediated mammary epithelial cell apoptosis in dairy cows with ketosis. Mitochondrial damage and cellular apoptotic program and NLRP3 inflammasome activation were observed in the mammary gland of ketotic cows. Similar damage was detected in MAC-T cells treated with exogenous fatty acids (FFAs). However, NLRP3 inhibitor MCC950 pretreatment or Mito-ROS scavenging by MitoTEMPO attenuated apoptosis in FFA-induced MAC-T cells by inhibiting the NLRP3 inflammasome pathway. These findings reveal that the Mito-ROS-NLRP3 pathway activation is a potent mechanism underlying mammary epithelial cell apoptosis in response to metabolic stress in ketotic dairy cows, which further contributes to reduced milk yield.
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Affiliation(s)
- Renxu Chang
- College of Veterinary Medicine, Hunan Agricultural University, Changsha 410128, China
- Heilongjiang Provincial Key Laboratory of Prevention and Control of Bovine Diseases, College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing 163319, China
- College of Veterinary Medicine, China Agricultural University, Beijing 100193, China
| | - Hongdou Jia
- Heilongjiang Provincial Key Laboratory of Prevention and Control of Bovine Diseases, College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing 163319, China
| | - Zhihao Dong
- Heilongjiang Provincial Key Laboratory of Prevention and Control of Bovine Diseases, College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing 163319, China
| | - Qiushi Xu
- Heilongjiang Provincial Key Laboratory of Prevention and Control of Bovine Diseases, College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing 163319, China
| | - Lei Liu
- College of Veterinary Medicine, Hunan Agricultural University, Changsha 410128, China
| | - Zolzaya Majigsuren
- Institute of Veterinary Medicine, Mongolian University of Life Sciences, Zaisan, Ulaanbaatar 17024, Mongolia
| | - Tugsjargal Batbaatar
- State Central Veterinary Laboratory, P. O. Box 53/33, Zaisan, Ulaanbaatar 210153, Mongolia
| | - Chuang Xu
- College of Veterinary Medicine, China Agricultural University, Beijing 100193, China
| | - Qing Yang
- College of Veterinary Medicine, Hunan Agricultural University, Changsha 410128, China
| | - Xudong Sun
- Heilongjiang Provincial Key Laboratory of Prevention and Control of Bovine Diseases, College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing 163319, China
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9
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Vitkov L, Singh J, Schauer C, Minnich B, Krunić J, Oberthaler H, Gamsjaeger S, Herrmann M, Knopf J, Hannig M. Breaking the Gingival Barrier in Periodontitis. Int J Mol Sci 2023; 24:4544. [PMID: 36901974 PMCID: PMC10003416 DOI: 10.3390/ijms24054544] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Revised: 02/20/2023] [Accepted: 02/22/2023] [Indexed: 03/02/2023] Open
Abstract
The break of the epithelial barrier of gingiva has been a subject of minor interest, albeit playing a key role in periodontal pathology, transitory bacteraemia, and subsequent systemic low-grade inflammation (LGI). The significance of mechanically induced bacterial translocation in gingiva (e.g., via mastication and teeth brushing) has been disregarded despite the accumulated knowledge of mechanical force effects on tight junctions (TJs) and subsequent pathology in other epithelial tissues. Transitory bacteraemia is observed as a rule in gingival inflammation, but is rarely observed in clinically healthy gingiva. This implies that TJs of inflamed gingiva deteriorate, e.g., via a surplus of lipopolysaccharide (LPS), bacterial proteases, toxins, Oncostatin M (OSM), and neutrophil proteases. The inflammation-deteriorated gingival TJs rupture when exposed to physiological mechanical forces. This rupture is characterised by bacteraemia during and briefly after mastication and teeth brushing, i.e., it appears to be a dynamic process of short duration, endowed with quick repair mechanisms. In this review, we consider the bacterial, immune, and mechanical factors responsible for the increased permeability and break of the epithelial barrier of inflamed gingiva and the subsequent translocation of both viable bacteria and bacterial LPS during physiological mechanical forces, such as mastication and teeth brushing.
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Affiliation(s)
- Ljubomir Vitkov
- Clinic of Operative Dentistry, Periodontology and Preventive Dentistry, Saarland University, 66421 Homburg, Germany
- Department of Environment & Biodiversity, University of Salzburg, 5020 Salzburg, Austria
- Department of Dental Pathology, University of East Sarajevo, 71123 East Sarajevo, Bosnia and Herzegovina
| | - Jeeshan Singh
- Department of Internal Medicine 3—Rheumatology and Immunology, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU) and Universitätsklinikum Erlangen, 91054 Erlangen, Germany
- Deutsches Zentrum für Immuntherapie (DZI), Friedrich-Alexander-Universität Erlangen-Nürnberg and Universitätsklinikum Erlangen, 91054 Erlangen, Germany
| | - Christine Schauer
- Department of Internal Medicine 3—Rheumatology and Immunology, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU) and Universitätsklinikum Erlangen, 91054 Erlangen, Germany
- Deutsches Zentrum für Immuntherapie (DZI), Friedrich-Alexander-Universität Erlangen-Nürnberg and Universitätsklinikum Erlangen, 91054 Erlangen, Germany
| | - Bernd Minnich
- Department of Environment & Biodiversity, University of Salzburg, 5020 Salzburg, Austria
| | - Jelena Krunić
- Department of Dental Pathology, University of East Sarajevo, 71123 East Sarajevo, Bosnia and Herzegovina
| | - Hannah Oberthaler
- Department of Environment & Biodiversity, University of Salzburg, 5020 Salzburg, Austria
| | - Sonja Gamsjaeger
- Ludwig Boltzmann Institute of Osteology at Hanusch Hospital of OEGK and AUVA Trauma Centre Meidling, 1st Med Department Hanusch Hospital, 1140 Vienna, Austria
| | - Martin Herrmann
- Department of Internal Medicine 3—Rheumatology and Immunology, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU) and Universitätsklinikum Erlangen, 91054 Erlangen, Germany
- Deutsches Zentrum für Immuntherapie (DZI), Friedrich-Alexander-Universität Erlangen-Nürnberg and Universitätsklinikum Erlangen, 91054 Erlangen, Germany
| | - Jasmin Knopf
- Department of Internal Medicine 3—Rheumatology and Immunology, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU) and Universitätsklinikum Erlangen, 91054 Erlangen, Germany
- Deutsches Zentrum für Immuntherapie (DZI), Friedrich-Alexander-Universität Erlangen-Nürnberg and Universitätsklinikum Erlangen, 91054 Erlangen, Germany
| | - Matthias Hannig
- Clinic of Operative Dentistry, Periodontology and Preventive Dentistry, Saarland University, 66421 Homburg, Germany
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