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Ashrafi H, Sadeghi AA, Chamani M. Effect of Organic Selenium Supplementation on the Antioxidant Status, Immune Response, and the Relative Expression of IL-2 and IFN-γ Genes in Ewes During the Hot Season. Biol Trace Elem Res 2024; 202:2052-2061. [PMID: 37540448 DOI: 10.1007/s12011-023-03798-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Accepted: 07/30/2023] [Indexed: 08/05/2023]
Abstract
This study was conducted to evaluate the effects of different doses of selenium (Se) from Sel-Plex© (selenium-enriched Saccharomyces cerevisiae yeast) supplement on the antioxidant status, the antibody titers against the foot-and-mouth disease virus, and the expression of interleukin-2 (IL-2) and interferon-γ (IFN-γ) genes in ewes during the hot season. Six ewes were kept at 25 °C and received basal diet (the negative control group), and 24 ewes were kept at 38 °C for 5 h per day and received no supplement (the positive control), 0.15, 0.30, and 0.45 mg Se/kg. Ewes in the positive control had higher (P<0.001) liver enzyme activity, malondialdehyde (MDA), and cortisol levels, and lower antibody titer than the negative control. The liver enzymes' lowest (P<0.001) activities were observed in ewes receiving 0.30 and 0.45 mg Se/kg. Ewes receiving 0.30 and 0.45 mg Se/kg had lower MDA levels than other treatments. Ewes receiving 0.30 and 0.45 mg Se/kg had higher (P<0.001) total antioxidant capacity levels than those receiving 0.15 mg Se/kg and the positive control. Se-supplemented groups had lower (P<0.001) relative expression of IL-2 and higher (P<0.04) expression of IFN-γ than the positive control. The antibody titer was the same in the positive control and the group receiving 0.15 mg Se/kg. Ewes fed a diet with 0.30 and 0.45 mg Se/kg had higher (P<0.011) antibody titer than the positive control. The Se supplementation can reverse the decrease of antioxidant capacity and immune function caused by heat stress, and 0.3 mg Se/kg from Sel-Plex©is the best dose.
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Affiliation(s)
- Hamid Ashrafi
- Department of Animal Science, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Ali Asghar Sadeghi
- Department of Animal Science, Science and Research Branch, Islamic Azad University, Tehran, Iran.
| | - Mohammad Chamani
- Department of Animal Science, Science and Research Branch, Islamic Azad University, Tehran, Iran
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Zheng W, Duan H, Cao L, Mao S, Shen J. Acid-base properties of non-protein nitrogen affect nutrients intake, rumen fermentation and antioxidant capacity of fattening Hu sheep. Front Vet Sci 2024; 11:1381871. [PMID: 38596467 PMCID: PMC11002212 DOI: 10.3389/fvets.2024.1381871] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2024] [Accepted: 03/14/2024] [Indexed: 04/11/2024] Open
Abstract
This study conducted a comparison of the effects of non-protein nitrogen with different acid-base properties on feed intake, rumen fermentation, nutrient digestion and antioxidant capacity in fattening Hu sheep. Sixteen fattening male sheep (31.43 ± 2.41 kg) with permanent rumen cannulas were randomly assigned to two dietary treatments: 1% urea and 1.78% ammonium chloride (NH4Cl, AC). A 42 days experimental period was conducted, with 14 days for adaptation and 28 days for treatment. Daily feed intake was recorded and various samples including feed, feces, rumen fluid, and blood were collected at different time points during the final week. The results indicated that the urea group had significantly higher dry matter intake, average daily gain, and gain efficiency in comparison to the AC group (p < 0.01). There was no difference in rumen pH and concentration of ammonia nitrogen between different groups (p > 0.05), but the rumen pH of urea group was higher than that of the AC group at 1 and 3 h after feeding (p < 0.05). The urea group exhibited higher concentrations of total volatile fatty acids (VFA) and individual VFAs compared to the AC group at all-time points (p < 0.01). Compared to the urea group, the intake of all nutrients decreased in the AC group (p < 0.01), but the digestibility of dry matter and organic matter increased significantly (p < 0.01), and the digestibility of CP had an increasing trend (p = 0.06) in the AC group. Additionally, the urea group had lower levels of serum glucagon-like peptide-1, peptide YY, Cl, total protein and globulin than the AC group (p < 0.05). The overall levels of HCO3-, superoxide dismutase, glutathione peroxidase, catalase, albumin/globulin, blood urea nitrogen and total cholesterol in the urea group increased significantly compared to the AC group (p < 0.05). It was concluded that adding urea to the high-concentrate diet resulted in increased rumen pH and improved rumen fermentation and growth performance in fattening sheep compared to NH4Cl addition. Furthermore, urea addition improved sheep's antioxidant capacity and maintained their acid-base balance more effectively as compared to NH4Cl.
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Affiliation(s)
- Wenjin Zheng
- Laboratory of Gastrointestinal Microbiology, National Center for International Research on Animal Gut Nutrition, Nanjing Agricultural University, Nanjing, China
- Ruminant Nutrition and Feed Engineering Technology Research Center, College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, China
| | - Hongwei Duan
- Laboratory of Gastrointestinal Microbiology, National Center for International Research on Animal Gut Nutrition, Nanjing Agricultural University, Nanjing, China
- Ruminant Nutrition and Feed Engineering Technology Research Center, College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, China
| | - Liwen Cao
- Laboratory of Gastrointestinal Microbiology, National Center for International Research on Animal Gut Nutrition, Nanjing Agricultural University, Nanjing, China
- Ruminant Nutrition and Feed Engineering Technology Research Center, College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, China
| | - Shengyong Mao
- Laboratory of Gastrointestinal Microbiology, National Center for International Research on Animal Gut Nutrition, Nanjing Agricultural University, Nanjing, China
- Ruminant Nutrition and Feed Engineering Technology Research Center, College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, China
| | - Junshi Shen
- Laboratory of Gastrointestinal Microbiology, National Center for International Research on Animal Gut Nutrition, Nanjing Agricultural University, Nanjing, China
- Ruminant Nutrition and Feed Engineering Technology Research Center, College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, China
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Xiao J, Guo W, Han Z, Xu Y, Xing Y, Phillips CJC, Shi B. The Effects of Housing on Growth, Immune Function and Antioxidant Status of Young Female Lambs in Cold Conditions. Animals (Basel) 2024; 14:518. [PMID: 38338161 PMCID: PMC10854601 DOI: 10.3390/ani14030518] [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: 12/28/2023] [Revised: 01/31/2024] [Accepted: 02/02/2024] [Indexed: 02/12/2024] Open
Abstract
Cold conditions in northern China during winter may reduce sheep growth and affect their health, especially if they are young, unless housing is provided. We allocated 45 two-month-old female lambs to be housed in an enclosed building, a polytunnel, or kept outdoors, for 28 days. The daily weight gain and scalp and ear skin temperature of outdoor lambs were less than those of lambs that were housed in either a house or polytunnel; however, rectal temperature was unaffected by treatment. There was a progressive change in blood composition over time, and by the end of the experiment, outdoor lambs had reduced total antioxidant capacity (T-AOC), catalase (CAT), glutathione peroxidase (GSH-Px) and total superoxide dismutase (T-SOD) and increased malondialdehyde compared to those in the house or polytunnel. In relation to immune responses in the lambs' serum, in the polytunnel, immunoglobulin A (IgA), tumor necrosis factor-α (TNF-α) and interleukin-4 (IL-4) were higher and immunoglobulin G (IgG) lower compared with the concentrations in lambs that were outdoors. Over the course of the experiment, genes expressing heat shock proteins and antioxidant enzymes increased in lambs in the outdoor treatment, whereas they decreased in lambs in the indoor treatments. It is concluded that although there were no treatment effects on core body temperature, the trends for progressive changes in blood composition and gene expression indicate that the outdoor lambs were not physiologically stable; hence, they should not be kept outdoors in these environmental conditions for long periods.
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Affiliation(s)
- Jin Xiao
- College of Animal Science, Inner Mongolia Agricultural University, Hohhot 010018, China; (J.X.); (W.G.); (Z.H.); (Y.X.); (Y.X.)
| | - Wenliang Guo
- College of Animal Science, Inner Mongolia Agricultural University, Hohhot 010018, China; (J.X.); (W.G.); (Z.H.); (Y.X.); (Y.X.)
| | - Zhipeng Han
- College of Animal Science, Inner Mongolia Agricultural University, Hohhot 010018, China; (J.X.); (W.G.); (Z.H.); (Y.X.); (Y.X.)
| | - Yuanqing Xu
- College of Animal Science, Inner Mongolia Agricultural University, Hohhot 010018, China; (J.X.); (W.G.); (Z.H.); (Y.X.); (Y.X.)
| | - Yuanyuan Xing
- College of Animal Science, Inner Mongolia Agricultural University, Hohhot 010018, China; (J.X.); (W.G.); (Z.H.); (Y.X.); (Y.X.)
| | - Clive J. C. Phillips
- Curtin University Sustainability Policy (CUSP) Institute, Curtin University, Perth, WA 6845, Australia;
- Institute of Veterinary Medicine and Animal Science, Estonia University of Life Sciences, Kreutzwaldi 1, 51014 Tartu, Estonia
| | - Binlin Shi
- College of Animal Science, Inner Mongolia Agricultural University, Hohhot 010018, China; (J.X.); (W.G.); (Z.H.); (Y.X.); (Y.X.)
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Wijffels G, Sullivan ML, Stockwell S, Briscoe S, Pearson R, Li Y, Macs AM, Sejian V, McCulloch R, Olm JCW, Cawdell-Smith J, Gaughan JB. Comparing the responses of grain-fed feedlot cattle under moderate heat load and during subsequent recovery with those of feed-restricted thermoneutral counterparts: blood cells and inflammatory markers. INTERNATIONAL JOURNAL OF BIOMETEOROLOGY 2024; 68:211-227. [PMID: 38092991 PMCID: PMC10794350 DOI: 10.1007/s00484-023-02584-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Revised: 11/15/2023] [Accepted: 11/19/2023] [Indexed: 01/18/2024]
Abstract
Given the climate projections for livestock rearing regions globally, understanding the inflammatory status of livestock under various heat loads will be informative to animal welfare and management. A survey of plasma inflammatory markers was conducted, and blood leucocyte counts followed to investigate the capacity of the ~ 500 kg grain fed Black Angus steer to respond to and recover from a moderate heat load challenge. Two sequential cohorts of 12 steers were housed in climate-controlled rooms (CCR) for 18 days. A thermally challenged (TC) group (n = 2 × 6) experienced five consecutive periods: PreChallenge, Challenge, and Recovery within the CCR, and 40 days in outdoor pens (PENS and Late PENS). PreChallenge (5 days) and Recovery (7 days) delivered thermoneutral conditions, whereas in Challenge the TC steers experienced a diurnal temperature range of 28-35 °C. A feed-restricted thermoneutral (FRTN) treatment (n = 2 × 6) was run concurrently to differentiate between responses to reduced feed intake alone and moderate heat stress. Blood neutrophil counts were particularly sensitive to moderate heat load with higher numbers during Challlenge and in PENs. The plasma concentrations of TNFα and IL-1β were depressed in the TC group compared to the FRTN counterparts and remained so for 40 days after Challenge. Linear relationships of the concentrations of IL-1β, IL-10, and haptoglobin with rumen temperature or dry matter intake detected in the FRTN group were altered or absent in the TC group. The findings suggest significant impacts of moderate heat load on the inflammatory status of feedlot cattle.
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Affiliation(s)
- G Wijffels
- CSIRO Agriculture and Food, Queensland Bioscience Precinct, St Lucia, Qld, 4067, Australia.
| | - M L Sullivan
- School of Agriculture and Food, The University of Queensland, Gatton, Qld, 4343, Australia
| | - S Stockwell
- CSIRO Agriculture and Food, Queensland Bioscience Precinct, St Lucia, Qld, 4067, Australia
| | - S Briscoe
- CSIRO Agriculture and Food, Queensland Bioscience Precinct, St Lucia, Qld, 4067, Australia
| | - R Pearson
- CSIRO Agriculture and Food, Queensland Bioscience Precinct, St Lucia, Qld, 4067, Australia
| | - Y Li
- CSIRO Agriculture and Food, Queensland Bioscience Precinct, St Lucia, Qld, 4067, Australia
| | - A M Macs
- CSIRO Agriculture and Food, Queensland Bioscience Precinct, St Lucia, Qld, 4067, Australia
| | - V Sejian
- Rajiv Gandhi Institute of Veterinary Education and Research, Kurumbapet, Puducherry, 605009, India
| | - R McCulloch
- CSIRO Agriculture and Food, Queensland Bioscience Precinct, St Lucia, Qld, 4067, Australia
| | - J C W Olm
- School of Veterinary Science, The University of Queensland, Gatton, Qld, 4343, Australia
| | - J Cawdell-Smith
- School of Agriculture and Food, The University of Queensland, Gatton, Qld, 4343, Australia
| | - J B Gaughan
- School of Agriculture and Food, The University of Queensland, Gatton, Qld, 4343, Australia
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Chauhan SS, Zhang M, Osei-Amponsah R, Clarke I, Sejian V, Warner R, Dunshea FR. Impact of heat stress on ruminant livestock production and meat quality, and strategies for amelioration. Anim Front 2023; 13:60-68. [PMID: 37841767 PMCID: PMC10575297 DOI: 10.1093/af/vfad046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2023] Open
Affiliation(s)
- Surinder S Chauhan
- School of Agriculture, Food and Ecosystem Sciences, Faculty of Science, The University of Melbourne, Parkville, Melbourne, VIC 3010, Australia
| | - Minghao Zhang
- Department of Food and Nutrition, Provincial Hospital, Shandong First Medical University, China
| | - Richard Osei-Amponsah
- School of Agriculture, Food and Ecosystem Sciences, Faculty of Science, The University of Melbourne, Parkville, Melbourne, VIC 3010, Australia
- Department of Animal Science, School of Agriculture, University of Ghana, Accra, Ghana
| | - Iain Clarke
- School of Agriculture, Food and Ecosystem Sciences, Faculty of Science, The University of Melbourne, Parkville, Melbourne, VIC 3010, Australia
| | - Veerasamy Sejian
- Animal Physiology Division, ICAR-National Institute of Animal Nutrition and Physiology, Bangalore 560030, India
| | - Robyn Warner
- School of Agriculture, Food and Ecosystem Sciences, Faculty of Science, The University of Melbourne, Parkville, Melbourne, VIC 3010, Australia
| | - Frank R Dunshea
- School of Agriculture, Food and Ecosystem Sciences, Faculty of Science, The University of Melbourne, Parkville, Melbourne, VIC 3010, Australia
- Faculty of Biological Sciences, The University of Leeds, Leeds LS2 9JT, UK
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Astuti PK, Bagi Z, Bodrogi L, Pintér T, Skoda G, Fajardo R, Kusza S. Hungarian indigenous Tsigai, a promising breed for excellent heat tolerance and immunity. Saudi J Biol Sci 2023; 30:103747. [PMID: 37601567 PMCID: PMC10432802 DOI: 10.1016/j.sjbs.2023.103747] [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: 06/05/2023] [Revised: 07/15/2023] [Accepted: 07/22/2023] [Indexed: 08/22/2023] Open
Abstract
The adverse effects of climate change on sheep farming have become more noticeable in recent decades. Extensive efforts have been made to untangle the complex relationship between heat tolerance, animal health, and productivity, also to identify a resilient and economically suitable breed for selection that can be resilient to future climate change conditions. Using quantitative real-time polymerase chain reaction (qRT-PCR), we observed the seasonal variations in the expression of several important genes related to heat stress and immunity (HSP70, IL10, TLR2, TLR4, and TLR8) in three of the most widely kept sheep breeds in Hungary: The indigenous Tsigai, Hungarian Merino, and White Dorper. We found that the seasonal stressor affected the relative gene expression of all genes in this study. Notably, The Hungarian indigenous Tsigai was the most robust breed adapted to the Hungarian continental (hot summer, cold winter) environment, with excellent thermotolerance and immunity. Furthermore, despite suffering from heat stress in the summer, Hungarian Merino maintained their robust immune system well throughout the year.
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Affiliation(s)
- Putri Kusuma Astuti
- Centre for Agricultural Genomics and Biotechnology, University of Debrecen, Debrecen 4032, Hungary
- Doctoral School of Animal Science, University of Debrecen, Debrecen 4032, Hungary
| | - Zoltán Bagi
- Centre for Agricultural Genomics and Biotechnology, University of Debrecen, Debrecen 4032, Hungary
| | - Lilla Bodrogi
- Department of Animal Biotechnology, Hungarian University of Agriculture and Life Sciences, Gödöllő 2100, Hungary
| | - Tímea Pintér
- Department of Animal Biotechnology, Hungarian University of Agriculture and Life Sciences, Gödöllő 2100, Hungary
| | - Gabriella Skoda
- Department of Animal Biotechnology, Hungarian University of Agriculture and Life Sciences, Gödöllő 2100, Hungary
| | - Roland Fajardo
- Centre for Agricultural Genomics and Biotechnology, University of Debrecen, Debrecen 4032, Hungary
- Department of Agriculture - Bureau of Animal Industry, 1100, Diliman, Quezon City, Philippines
| | - Szilvia Kusza
- Centre for Agricultural Genomics and Biotechnology, University of Debrecen, Debrecen 4032, Hungary
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Sarkar S, Bhatt RS, Mahla AS, Kumar A. Supplementation of Moringa oleifera leaf concentrate pellets on nutrient utilization, antioxidant status, and reproductive performance of prolific ewes during extreme summer months in semi-arid tropical conditions. Trop Anim Health Prod 2023; 55:241. [PMID: 37328676 DOI: 10.1007/s11250-023-03659-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Accepted: 06/06/2023] [Indexed: 06/18/2023]
Abstract
A feeding trial was conducted for a period of 60 days during extreme summer months to observe the effect of supplementation of Moringa oleifera leaves containing concentrate pellets on nutrient utilization, antioxidant status, and reproductive performance in Avishaan ewes reared under semi-arid condition. Forty adult non-pregnant cyclic ewes (2-3 years, 31.8 ± 0.81 kg body weight) were selected and randomly allocated into 2 groups of 20 animals each, viz., G-I (control) and G-II (treatment). The ewes were grazed on natural pasture for 8 h, offered ad libitum Cenchrus ciliaris hay after grazing and concentrate pellets @ 300 g/animal/day. The ewes in G-I were offered conventional concentrate pellets, whereas G-II ewes were offered concentrate pellets containing 15% Moringa leaves. The mean temperature humidity index during the period of study was 27.5 ± 0.3 and 34.6 ± 0.4 at 0700 h and 1400 h, respectively, indicating severe heat stress. Nutrient intake and utilization were comparable between the two groups. The antioxidant status was higher in G-II ewes as the values of catalase, superoxide dismutase, and total antioxidant capacity were higher (P < 0.05) in G-II ewes compared to G-I. The conception rate was higher (100%) in G-II ewes than G-I ewes (70%). Multiple birth percentage was 77.8% in G-II ewes, and it was comparable with the herd average of Avishaan (74.7%). However, ewes in G-I group exhibited a marked decline in multiple birth percentage (28.6%) than the normal herd average. Hence, it can be concluded that inclusion of Moringa oleifera leaves in feeding of prolific Avishaan ewes improved their antioxidant status resulting in optimum reproductive performance during stressful summer months.
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Affiliation(s)
- Srobana Sarkar
- ICAR-Central Sheep and Wool Research Institute, Avikanagar, Rajasthan, 304501, India.
| | - R S Bhatt
- ICAR-Central Sheep and Wool Research Institute, Avikanagar, Rajasthan, 304501, India
| | - Ajit Singh Mahla
- ICAR-Central Sheep and Wool Research Institute, Avikanagar, Rajasthan, 304501, India
| | - Arun Kumar
- ICAR-Central Sheep and Wool Research Institute, Avikanagar, Rajasthan, 304501, India
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Lu R, Hu J, Liu X, Yu L, Hu J, Jiang H, Liu S, Li M, He J, Yang X, Liang X. Mogroside-rich extract from Siraitia grosvenorii fruits protects against heat stress-induced intestinal damage by ameliorating oxidative stress and inflammation in mice. Food Funct 2023; 14:1238-1247. [PMID: 36625098 DOI: 10.1039/d2fo02179j] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Global warming makes humans and animals more vulnerable to heat stress. Heat stress can cause multiorgan dysfunction, especially in the intestine, primarily via oxidative stress and inflammation. Mogroside-rich extract (MGE) is the active ingredient of Siraitia grosvenorii and has significant antioxidant and anti-inflammatory activity. However, whether MGE can alleviate the intestinal damage caused by heat stress has not been explored. In this study, mice were given 600 mg kg-1 MGE followed by exposure to high temperature (40 °C for 2 h per day), and the structures and molecular changes in the ileum were examined. Our findings showed that body weight was decreased by heat stress, while the activity of serum superoxide dismutase (SOD) was increased. We further found that heat stress impaired the intestinal barrier by reducing the number of goblet cells and mRNA levels of the tight junction proteins zona occludens protein 1 (ZO-1), Occludin (OCLD) and recombinant mucin 2 (MUC2 mucin), but it increased the mRNA level of trefoil factor 3 (TFF3). Interestingly, MGE treatment reversed these changes. Furthermore, heat stress increased the activity of SOD in the intestine, downregulated the expression of the oxidative stress-related genes glutathione peroxidase 1 (GPX1), SOD2 and nuclear factor erythroid 2-related factor 2 (NRF2), and upregulated the expression of catalase (CAT). Moreover, heat stress increased tumor necrosis factor-α (TNF-α) levels in the intestine and upregulated the expression of the inflammation-related genes interleukin 10 (IL-10), TNF-α, Interferon-γ (IFN-γ), toll like receptor 4 (TLR4) and nuclear factor-kappa B (NF-kB). However, MGE treatment effectively reduced TNF-α levels and restored the normal activity of SOD and normal mRNA levels for both oxidative stress-related and inflammation-related genes. In summary, our results showed that MGE can protect against heat stress-induced intestinal damage by ameliorating inflammation and oxidative stress.
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Affiliation(s)
- Renhong Lu
- College of Animal Science & Technology, Guangxi University, Nanning, Guangxi 530004, China. .,State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Guangxi University, Nanning, Guangxi 530004, China
| | - Jiahao Hu
- College of Animal Science & Technology, Guangxi University, Nanning, Guangxi 530004, China. .,State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Guangxi University, Nanning, Guangxi 530004, China
| | - Xinxin Liu
- College of Animal Science & Technology, Guangxi University, Nanning, Guangxi 530004, China. .,State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Guangxi University, Nanning, Guangxi 530004, China
| | - Lijiang Yu
- College of Animal Science & Technology, Guangxi University, Nanning, Guangxi 530004, China.
| | - Junjie Hu
- College of Animal Science & Technology, Guangxi University, Nanning, Guangxi 530004, China. .,State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Guangxi University, Nanning, Guangxi 530004, China
| | - Huimin Jiang
- College of Animal Science & Technology, Guangxi University, Nanning, Guangxi 530004, China. .,State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Guangxi University, Nanning, Guangxi 530004, China
| | - Shaoyuan Liu
- College of Animal Science & Technology, Guangxi University, Nanning, Guangxi 530004, China. .,State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Guangxi University, Nanning, Guangxi 530004, China
| | - Mengqi Li
- College of Animal Science & Technology, Guangxi University, Nanning, Guangxi 530004, China. .,State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Guangxi University, Nanning, Guangxi 530004, China
| | - Jiakang He
- College of Animal Science & Technology, Guangxi University, Nanning, Guangxi 530004, China.
| | - Xiaogan Yang
- College of Animal Science & Technology, Guangxi University, Nanning, Guangxi 530004, China. .,State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Guangxi University, Nanning, Guangxi 530004, China
| | - Xingwei Liang
- College of Animal Science & Technology, Guangxi University, Nanning, Guangxi 530004, China. .,State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Guangxi University, Nanning, Guangxi 530004, China
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Wang Y, Meng S, Wang S, Wang Z, Dou X, Dou M, Li Y, Ma Y, He L, Shao Q, Zhang C. Monoammonium glycyrrhizinate improves antioxidant capacity of calf intestinal epithelial cells exposed to heat stress in vitro. J Anim Sci 2023; 101:skad142. [PMID: 37155664 PMCID: PMC10289279 DOI: 10.1093/jas/skad142] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Accepted: 05/06/2023] [Indexed: 05/10/2023] Open
Abstract
Dairy calves are highly susceptible to the negative effects of heat stress, which can cause organ hypoxia after blood redistribution, damage the intestinal barrier, and trigger intestinal oxidative stress. This study aimed to investigate the antioxidant effects of monoammonium glycyrrhizinate (MAG) on calf small intestinal epithelial cells under heat stress in vitro. Small intestinal epithelial cells were isolated from a 1-d-old healthy calf and purified by differential enzymatic detachment. The purified cells were divided into seven groups. The control group was cultured with DMEM/F-12 at 37 °C for 6 h, and the treatment groups were cultured with 0, 0.1, 0.25, 0.5, 1, or 5 μg/mL MAG at 42 °C for 6 h. Heat stress causes oxidative damage to cells. Adding MAG to the medium can significantly improve cell activity and reduce cellular oxidative stress. MAG significantly increased the total antioxidant capacity and superoxide dismutase activity caused by heat stress, and significantly decreased malondialdehyde and nitric oxide levels. The MAG treatment also reduced lactate dehydrogenase release, increased mitochondrial membrane potential, and decreased apoptosis under heat stress. MAG also upregulated the expression of the antioxidant-related genes, Nrf2 and GSTT1, in heat-stressed intestinal epithelial cells and significantly downregulated the expression of the heat shock response-related proteins, MAPK, HSP70, HSP90, and HSP27. From the above results, we conclude that 0.25 μg/mL MAG improves the capability of the antioxidant system in small intestinal epithelial cells to eliminate reactive oxygen species by activating antioxidant pathways, improving the oxidant/antioxidant balance, lowering excessive heat shock responses, and reducing intestinal oxidative stress.
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Affiliation(s)
- Yuexin Wang
- Henan International Joint Laboratory of Animal Welfare and Health Breeding, Henan University of Science and Technology, Luoyang 471023, China
- Innovative Research Team of Livestock Intelligent Breeding and Equipment, Longmen Laboratory, Luoyang 471023, China
| | - Sudan Meng
- Henan International Joint Laboratory of Animal Welfare and Health Breeding, Henan University of Science and Technology, Luoyang 471023, China
- Innovative Research Team of Livestock Intelligent Breeding and Equipment, Longmen Laboratory, Luoyang 471023, China
| | - Shuai Wang
- Henan International Joint Laboratory of Animal Welfare and Health Breeding, Henan University of Science and Technology, Luoyang 471023, China
| | - Zhaojun Wang
- Henan International Joint Laboratory of Animal Welfare and Health Breeding, Henan University of Science and Technology, Luoyang 471023, China
| | - Xueru Dou
- Henan International Joint Laboratory of Animal Welfare and Health Breeding, Henan University of Science and Technology, Luoyang 471023, China
| | - Mengying Dou
- Henan International Joint Laboratory of Animal Welfare and Health Breeding, Henan University of Science and Technology, Luoyang 471023, China
| | - Yuanxiao Li
- Henan International Joint Laboratory of Animal Welfare and Health Breeding, Henan University of Science and Technology, Luoyang 471023, China
| | - Yanbo Ma
- Innovative Research Team of Livestock Intelligent Breeding and Equipment, Longmen Laboratory, Luoyang 471023, China
| | - Lei He
- Henan International Joint Laboratory of Animal Welfare and Health Breeding, Henan University of Science and Technology, Luoyang 471023, China
| | - Qi Shao
- Henan International Joint Laboratory of Animal Welfare and Health Breeding, Henan University of Science and Technology, Luoyang 471023, China
| | - Cai Zhang
- Henan International Joint Laboratory of Animal Welfare and Health Breeding, Henan University of Science and Technology, Luoyang 471023, China
- Henan Engineering Research Center of Livestock and Poultry Emerging Disease Detection and Control, Luoyang 471023, China
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10
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Zhou YX, Yuan X, Hu XF, Yang SS, Zhong SW, Yang TY, Zhao GT, Jiang YJ, Li Y. Changes of oxidant-antioxidant parameters in small intestines from rabbits infected with E. intestinalis and E. magna. WORLD RABBIT SCIENCE 2022. [DOI: 10.4995/wrs.2022.17395] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Rabbit coccidiosis is a very serious disease caused by protozoan parasites of the genus Eimeria, which increases the production rate of free radicals, especially reactive oxygen species. When the generation of free radicals exceeds the scavenging capacity of the body’s antioxidant system, the oxidant-antioxidant balance is broken, resulting in oxidative stress. This study was designed to investigate the effect on the oxidant-antioxidant status of rabbits infected with E. intestinalis and E. magna. To this end, eighteen 30-d-old weaned rabbits were randomly allocated into three groups as follows: the E. intestinalis infection group with 3×103 sporulated oocysts of E. intestinalis, the E. magna infection group with 20×103 sporulated oocysts of E. magna, and the uninfected control group. We measured the activities of superoxide dismutase (SOD), catalase (CAT), glutathione peroxidase (GSH-Px) and total antioxidant capacity (T-AOC) and the contents of malondialdehyde (MDA) in rabbits’ small intestinal tissues (duodenum, jejunum and ileum) of the three groupson day 8. The results showed that CAT activity and MDA levels significantly increased, while the activities of SOD, GSH-Px and T-AOC decreased after E. intestinalis and E. magna infection. Besides, the jejunum and ileum were particularly damaged in the rabbits. It is concluded that the pathological oxidative stress occurs during the E. intestinalis and E. magna infection process and the body’s oxidant-antioxidant balance is disrupted.
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11
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Huang G, Luo J, Guo H, Wang X, Hu Z, Pu W, Chu X, Zhang C. Molybdenum and cadmium co-exposure promotes M1 macrophage polarization through oxidative stress-mediated inflammatory response and induces pulmonary fibrosis in Shaoxing ducks (Anas platyrhyncha). ENVIRONMENTAL TOXICOLOGY 2022; 37:2844-2854. [PMID: 36017731 DOI: 10.1002/tox.23641] [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: 06/21/2022] [Revised: 07/31/2022] [Accepted: 08/04/2022] [Indexed: 06/15/2023]
Abstract
High molybdenum (Mo) and cadmium (Cd) are harmful to the body, but pulmonary toxicity induced by Mo and Cd co-exposure is unknown. To assess the combined impacts of Mo and Cd on fibrosis through M1 polarization in the lung of ducks, 80 healthy 8-day-old Shaoxing ducks (Anas platyrhyncha) were randomly assigned to 4 groups and fed with containing unequal doses of Mo or/and Cd diet. Lung tissues were collected on the 16th week. Results indicated that Mo or/and Cd significantly increased their contents in the lungs, and led to trace elements disorder and histological abnormality, and oxidative stress accompanied by promoting contents of H2 O2 and MDA and decreasing activities of T-SOD, GSH-Px, and CAT, then activated the TLR4/NF-κB/NLRP3 pathway accompanied by upregulating Caspase-1, ASC, IL-18, IL-1β, TLR4, NF-κB, and NLRP3 expression levels, and disrupted M1/M2 balance to divert toward M1, which evoked the TGF-β/Smad2/3-mediated fibrosis by elevating TGF-β1, Smad2, Smad3, COL1A1, α-SMA, and MMP2 expression levels, and decreasing Smad7 and TIMP2 expression levels. The changes of the combined group were most obvious. To sum up, the research demonstrated that Mo or/and Cd may cause macrophages to polarize toward M1 by oxidative stress-mediated the TLR4/NF-κB/NLRP3 pathway, then result in fibrosis through the TGF-β1/Smad2/3 pathway in duck lungs. Mo and Cd may worsen lung damage.
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Affiliation(s)
- Gang Huang
- Jiangxi Provincial Key Laboratory for Animal Health, Institute of Animal Population Health, College of Animal Science and Technology, Jiangxi Agricultural University, Nanchang, Jiangxi, China
| | - Junrong Luo
- Jiangxi Provincial Key Laboratory for Animal Health, Institute of Animal Population Health, College of Animal Science and Technology, Jiangxi Agricultural University, Nanchang, Jiangxi, China
| | - Huiling Guo
- Jiangxi Provincial Key Laboratory for Animal Health, Institute of Animal Population Health, College of Animal Science and Technology, Jiangxi Agricultural University, Nanchang, Jiangxi, China
| | - Xueru Wang
- Jiangxi Provincial Key Laboratory for Animal Health, Institute of Animal Population Health, College of Animal Science and Technology, Jiangxi Agricultural University, Nanchang, Jiangxi, China
| | - Zhisheng Hu
- Jiangxi Provincial Key Laboratory for Animal Health, Institute of Animal Population Health, College of Animal Science and Technology, Jiangxi Agricultural University, Nanchang, Jiangxi, China
| | - Wenjing Pu
- Jiangxi Provincial Key Laboratory for Animal Health, Institute of Animal Population Health, College of Animal Science and Technology, Jiangxi Agricultural University, Nanchang, Jiangxi, China
| | - Xuesheng Chu
- Jiangxi Provincial Key Laboratory for Animal Health, Institute of Animal Population Health, College of Animal Science and Technology, Jiangxi Agricultural University, Nanchang, Jiangxi, China
| | - Caiying Zhang
- Jiangxi Provincial Key Laboratory for Animal Health, Institute of Animal Population Health, College of Animal Science and Technology, Jiangxi Agricultural University, Nanchang, Jiangxi, China
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12
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Lan Q, Cao Z, Yang X, Gu Z. Physiological and Proteomic Responses of Dairy Buffalo to Heat Stress Induced by Different Altitudes. Metabolites 2022; 12:metabo12100909. [PMID: 36295811 PMCID: PMC9609643 DOI: 10.3390/metabo12100909] [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: 08/28/2022] [Revised: 09/21/2022] [Accepted: 09/21/2022] [Indexed: 11/20/2022] Open
Abstract
Buffalo are mainly distributed in low-altitude (LA), medium-altitude (MA), and high-altitude (HA) regions characterised by different thermal and oxygen environments in Yunnan province, China. Due to black skin, sparse hair, and the low density of skin sweat glands, buffalo are more sensitive to heat stress. Here, we used data-independent acquisition (DIA) proteomics to reveal a broad spectrum of proteins that play roles in adaptation to the heat stress of buffalo raised at low altitude or hypoxia at high altitude. LA buffalo showed higher body temperatures than MA- and HA buffalo, and HA buffalo had higher levels of GSH and SOD and lower levels of ROS compared to LA and MA buffalo. In 33 samples, 8476 peptides corresponding to 666 high-confidence proteins were detected. The levels of circulating complement proteins in the immune pathways were lower in LA and MA buffalo than in HA buffalo. There were higher levels of alpha-1 acid glycoprotein in LA buffalo than in MA and HA buffalo. Relative to MA buffalo, levels of blood oxygen delivery proteins were higher in LA and HA buffalo. A higher abundance of apolipoproteins was detected in LA and MA buffalo than in HA buffalo. In summary, buffalo adopted similar adaptation strategies to oxidative stress induced by heat stress or hypoxia, including immunological enhancement, high efficiency of blood oxygen delivery, and the inhibition of lipid oxidation.
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Affiliation(s)
- Qin Lan
- Faculty of Animal Science and Technology, Yunnan Agricultural University, Kunming 650201, China
| | - Zhiyong Cao
- Faculty of Big Data, Yunnan Agricultural University, Kunming 650201, China
| | - Xiujuan Yang
- Faculty of Animal Science and Technology, Yunnan Agricultural University, Kunming 650201, China
- Yunnan Provincial Key Laboratory of Animal Nutrition and Feed Science, Kunming 650201, China
| | - Zhaobing Gu
- Faculty of Animal Science and Technology, Yunnan Agricultural University, Kunming 650201, China
- Yunnan Provincial Key Laboratory of Animal Nutrition and Feed Science, Kunming 650201, China
- Correspondence: or
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13
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Influence of Cold Environments on Growth, Antioxidant Status, Immunity and Expression of Related Genes in Lambs. Animals (Basel) 2022; 12:ani12192535. [PMID: 36230276 PMCID: PMC9559294 DOI: 10.3390/ani12192535] [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: 07/28/2022] [Revised: 09/16/2022] [Accepted: 09/19/2022] [Indexed: 01/10/2023] Open
Abstract
Cold climates may be a risk to the health and welfare of lambs during winter because cold environments alter the physiological processes of lambs, and we used cold environments with three different temperature gradients—an indoor heating control group (IHC) using electric heating; an indoor temperature group (IT) with intermittent and slight degrees of stimulation of coldness; an outdoor temperature group (OT) exposed to cold environments in an external natural environment. The results showed that the lambs in the OT group had a greater decrease in the average daily gain (ADG) and increase in the average daily feed intake (ADFI) and the feed-to-gain ratio (F:G) compared to the other two groups. The decrease in immunoglobulin A (IgA) and interleukin 2 (IL-2) contents and IL-2 gene expression, and the increase in tumor necrosis factor α (TNF-α) content and TNF-α and nuclear factor kappa-B p65 (NF-κB p65) gene expressions in the OT group suggested that the lambs had a compromised immune status in cold environments. Moreover, the decrease in catalase (CAT), glutathione peroxidase (GPx), total superoxide dismutase (T-SOD), and total antioxidant capacity (T-AOC) levels, and CAT, GPx, SOD1, SOD2, and nuclear factor-erythroid 2-related factor 2 (Nrf2) gene expressions, and the increase in malondialdehyde (MDA) in the OT group suggested that the lambs had a lower antioxidant defense capacity in cold environments. Thus, in extreme cold, lambs kept outdoors could reduce growth, immune function and antioxidant status. However, shelter feeding in winter could relieve the stress of cold environments on lambs, and housing with heating equipment was more conducive to the improve growth, immune, and antioxidant function of the lambs.
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14
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McManus CM, Lucci CM, Maranhão AQ, Pimentel D, Pimentel F, Rezende Paiva S. Response to heat stress for small ruminants: Physiological and genetic aspects. Livest Sci 2022. [DOI: 10.1016/j.livsci.2022.105028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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15
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Alharbi YM. Associations between ubiquitin, follicle-stimulating hormone, and sex steroid hormones in the failed to conceive female dromedary camels raised in hot climates. Vet World 2022; 15:2046-2051. [PMID: 36313844 PMCID: PMC9615501 DOI: 10.14202/vetworld.2022.2046-2051] [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: 04/14/2022] [Accepted: 07/06/2022] [Indexed: 11/24/2022] Open
Abstract
Background and Aim: The reproductive management of female dromedary camels involves traditional implications that are widespread among desert camel raisers. Several subfertility clinical manifestations impede pregnancy and elongate the interval between parturitions. Ubiquitin is a novel-specific protein, referred to recently as a biomarker for reproductive performance in male and female mammals. Therefore, this study aimed to investigate the association between subfertility clinical status and the peripheral levels of ubiquitin versus follicle-stimulating hormone (FSH), progesterone, and estradiol. Materials and Methods: According to the clinical diagnoses, 80 female dromedaries admitted to the university clinic were categorized into six female groups suffering from endometritis (EN, 28; 35%), inactive ovaries (IO, 18; 22.5%), ovarian hydrobursitis (BU, 19; 23.75%), vaginal adhesions (VA, 7; 8.75%), salpingitis (SA, 4; 5%), and cervicitis (CE, 4; 5%). In addition, five normal fertile non-pregnant females served as controls (CONs). All animals underwent ultrasonography and blood sampling for hormone and ubiquitin determinations. Results: The results revealed a significant (p < 0.05) increase in ubiquitin in the CE (577.22 pg/mL) and VA (670.92 pg/mL) females. However, lower ubiquitin levels but still higher than the CON were noted in females with other symptoms (225.76, 425.79, 394.02, 414.96, and 393.92 pg/mL in the CON, BU, SA, IO, and EN, respectively). Concomitantly, the mean levels of FSH revealed a similar trend, showing higher (p < 0.05) levels in CE (2.79 mIU/mL) and VA (2.5 pg/mL) females. In contrast, no change was observed in FSH among other groups than CON (2.11, 2.17, 2.01, 2.24, and 2.13 mIU/mL in CON, BU, SA, IO, and EN, respectively). There was no difference in the progesterone levels among groups; however, estradiol-17ß levels significantly differed (p < 0.01), showing the highest level (629.15 pg/mL) in the SA group with no significant difference among other groups. Conclusion: Thus, ubiquitin could be used as a biomarker for genital tract inflammation in female camels raised in hot climates.
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Affiliation(s)
- Yousef Mesfer Alharbi
- Department of Veterinary Medicine, College of Agriculture and Veterinary Medicine, Qassim University, Buraydah, Saudi Arabia
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16
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Oxidative Stress in Neonatal Lambs and its Relation to Health Status and Passive Colostral Immunity. Vet Immunol Immunopathol 2022; 251:110470. [DOI: 10.1016/j.vetimm.2022.110470] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Revised: 05/01/2022] [Accepted: 08/01/2022] [Indexed: 11/20/2022]
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17
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Single-Cell RNA-Seq Analysis of Cells from Degenerating and Non-Degenerating Intervertebral Discs from the Same Individual Reveals New Biomarkers for Intervertebral Disc Degeneration. Int J Mol Sci 2022; 23:ijms23073993. [PMID: 35409356 PMCID: PMC8999935 DOI: 10.3390/ijms23073993] [Citation(s) in RCA: 35] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Revised: 03/31/2022] [Accepted: 04/01/2022] [Indexed: 02/07/2023] Open
Abstract
In this study, we used single-cell transcriptomic analysis to identify new specific biomarkers for nucleus pulposus (NP) and inner annulus fibrosis (iAF) cells, and to define cell populations within non-degenerating (nD) and degenerating (D) human intervertebral discs (IVD) of the same individual. Cluster analysis based on differential gene expression delineated 14 cell clusters. Gene expression profiles at single-cell resolution revealed the potential functional differences linked to degeneration, and among NP and iAF subpopulations. GO and KEGG analyses discovered molecular functions, biological processes, and transcription factors linked to cell type and degeneration state. We propose two lists of biomarkers, one as specific cell type, including C2orf40, MGP, MSMP, CD44, EIF1, LGALS1, RGCC, EPYC, HILPDA, ACAN, MT1F, CHI3L1, ID1, ID3 and TMED2. The second list proposes predictive IVD degeneration genes, including MT1G, SPP1, HMGA1, FN1, FBXO2, SPARC, VIM, CTGF, MGST1, TAF1D, CAPS, SPTSSB, S100A1, CHI3L2, PLA2G2A, TNRSF11B, FGFBP2, MGP, SLPI, DCN, MT-ND2, MTCYB, ADIRF, FRZB, CLEC3A, UPP1, S100A2, PRG4, COL2A1, SOD2 and MT2A. Protein and mRNA expression of MGST1, vimentin, SOD2 and SYF2 (p29) genes validated our scRNA-seq findings. Our data provide new insights into disc cells phenotypes and biomarkers of IVD degeneration that could improve diagnostic and therapeutic options.
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18
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Du D, Feng L, Chen P, Jiang W, Zhang Y, Liu W, Zhai R, Hu Z. Effects of Saccharomyces Cerevisiae Cultures on Performance and Immune Performance of Dairy Cows During Heat Stress. Front Vet Sci 2022; 9:851184. [PMID: 35300221 PMCID: PMC8921483 DOI: 10.3389/fvets.2022.851184] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2022] [Accepted: 02/07/2022] [Indexed: 12/17/2022] Open
Abstract
The dairy farming industry is facing massive economic losses as heat stress continues to rise. The purpose of this study was to see how feeding Saccharomyces cerevisiae culture (SC) influences productive performance, lactation performance, serum biochemical indexes, hormonal level, antioxidant capacity, and immune function in mid-lactating cows during heat stress. Forty-five healthy mid-lactation dairy cows with comparable milk yield, lactation days, and parity were randomly divided into 3 groups (15 cows in each group). The control group (CON) was fed the basal diet, while the treatment groups were fed the basal diet + first Saccharomyces cerevisiae culture 100 g/d (SC-1) and the basal diet + second Saccharomyces cerevisiae culture 30 g/d (SC-2), respectively. The SC-1 and SC-2 groups with SC added in the treatment groups reduced rectal temperature and respiratory rate in heat-stressed cows (P < 0.05). The milk yield of SC-1 and SC-2 treatment groups was significantly higher than that of CON (P < 0.05). Except for somatic cell count, which was significantly lower in SC-1 and SC-2 than in CON (P < 0.05), there were no significant differences in the milk components. The addition of SC: (i) increased serum urea levels (P < 0.05), but there was no significant difference in glucose, total cholesterol, alanine transaminase, aspartate aminotransferase, total protein, albumin and alkaline phosphatase levels (P > 0.05); (ii) increased serum levels of immunoglobulin-A, immunoglobulin-G, immunoglobulin M, interleukin-4, interleukin-10 and heat shock protein-70 (P < 0.05), while decreasing serum levels of interleukin-1β, interleukin-6, interleukin-2, interferon-γ and tumor necrosis factor-α (P < 0.05); (iii) increased total antioxidant capacity, glutathione peroxidase and superoxide dismutase in serum (P < 0.05), while decreasing malondialdehyde; (iv) increased serum levels of glucocorticoids, insulin, cortisol and prolactin (P < 0.05), while decreasing the serum levels of triiodothyronine and thyroxine (P < 0.05). In conclusion, under the current experimental conditions, the addition of SC can reduce rectal temperature and respiratory rate in heat-stressed mid-lactation cows, reduce the number of somatic cells in milk and improve the mid-lactation cow performance. In addition, SC addition to the diet can raise serum urea levels, regulate serum hormone levels, boost antioxidant capacity in mid-lactation cows, and boost overall immunity.
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Affiliation(s)
- Dewei Du
- Ruminant Nutrition and Physiology Laboratory, College of Animal Science and Technology, Shandong Agricultural University, Taian, China
| | - Lei Feng
- Ruminant Nutrition and Physiology Laboratory, College of Animal Science and Technology, Shandong Agricultural University, Taian, China
| | - Peng Chen
- Beijing Enhalor International Tech Co., Ltd., Beijing, China
| | - Wenbo Jiang
- Ruminant Nutrition and Physiology Laboratory, College of Animal Science and Technology, Shandong Agricultural University, Taian, China
| | - Yu Zhang
- Ruminant Nutrition and Physiology Laboratory, College of Animal Science and Technology, Shandong Agricultural University, Taian, China
| | - Wei Liu
- Ruminant Nutrition and Physiology Laboratory, College of Animal Science and Technology, Shandong Agricultural University, Taian, China
| | - Ruina Zhai
- College of Animal Science, Xinjiang Agricultural University, Urumqi, China
- *Correspondence: Ruina Zhai
| | - Zhiyong Hu
- Ruminant Nutrition and Physiology Laboratory, College of Animal Science and Technology, Shandong Agricultural University, Taian, China
- Zhiyong Hu
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19
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Joy A, Taheri S, Dunshea F, Leury B, DiGiacomo K, Osei-Amponsah R, Brodie G, Chauhan S. Non-invasive measure of heat stress in sheep using machine learning techniques and infrared thermography. Small Rumin Res 2022. [DOI: 10.1016/j.smallrumres.2021.106592] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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20
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Xie L, Huang W, Li J, Chen G, Xiao Q, Zhang Y, He H, Wang Q, He J. The protective effects and mechanisms of modified Lvdou Gancao decoction on acute alcohol intoxication in mice. JOURNAL OF ETHNOPHARMACOLOGY 2022; 282:114593. [PMID: 34480998 DOI: 10.1016/j.jep.2021.114593] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Revised: 08/02/2021] [Accepted: 08/31/2021] [Indexed: 06/13/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Acute alcohol intoxication (AAI) is a ubiquitous emergency worldwide, whereas the searching for both effective and safe drugs is still a task to be completed. Modified Lvdou Gancao decoction (MLG), a traditional Chinese medicine decoction, has been confirmed to be valid to alcohol-induced symptoms and hepatotoxicity clinically, whereas its protective mechanisms have not been determined. MATERIALS AND METHODS AAI mice model was established by alcohol gavage (13.25 mL/kg) and MLG (5, 10, 20 g/kg BW) was administered to mice 2 h before and 30 min after the alcohol exposure. Assay kits for alcohol dehydrogenase (ADH), aldehyde dehydrogenase (ALDH), aspartate aminotransferase (AST), alanine aminotransferase (ALT), glutamine transferase (GGT), total superoxide dismutase (T-SOD), malondialdehyde (MDA), nitric oxide (NO), and glutathione peroxidase (GSH-Px), as well as histopathology were used to explore the effects of MLG on acute alcohol-induced intoxication and hepatotoxicity. Mechanisms of MLG on oxidative stress and inflammatory were evaluated with RT-qPCR and Western Blot. RESULTS MLG remarkably decreased the drunkenness rate, prolonged the tolerance time and shortened the sober-up time of AAI mice. After acute alcohol exposure, MLG treatment induced significant increment of ADH, ALDH, T-SOD and GSH-Px activities in liver, while serum ALT, AST, GGT and NO levels as well as hepatic MDA activity were reduced, in a dose-dependent manner. In contrast to the model group, the mRNA expression of TNFα, IL-1β and NF-κB in the MLG treated groups had a downward trend while the Nrf-2 showed an upward trend simultaneously. Furthermore, the protein levels of p65, p-p65, p-IκBα in the MLG treated groups were considerably diminished, with HO-1 and Nrf2 elevated. To sum up, our results suggested that MLG could efficaciously ameliorate AAI via accelerating the metabolism of alcohol, alleviating acute hepatotoxicity, and weakening the oxidative stress coupled with inflammation response, which might be attributed to the inhibition of the NF-κB signaling pathway and the activation of the Nrf2/HO-1 signaling pathway. CONCLUSIONS Taken together, our present study verified the protective effect and mechanisms of MLG to AAI mice, and we further conclude that MLG may be a potent and reliable candidate for the prevention and treatment of AAI.
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Affiliation(s)
- Lei Xie
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, 510080, Guangdong, China.
| | - Wenguan Huang
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, 510080, Guangdong, China.
| | - Junlin Li
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, 510080, Guangdong, China.
| | - Guirong Chen
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, 510080, Guangdong, China.
| | - Qiao Xiao
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, 510080, Guangdong, China.
| | - Yan Zhang
- First Clinical Medical College, Guangzhou University of Chinese Medicine, Guangzhou, 510080, Guangdong, China.
| | - Haolan He
- Guangzhou Eighth People's Hospital, Guangzhou, 510080, Guangdong, China.
| | - Qi Wang
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, 510080, Guangdong, China.
| | - Jinyang He
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, 510080, Guangdong, China.
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21
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Serrano JO, Villares-Garachana A, Correa-Herrera N, González-Morales A, Pérez-Bonachea L, Hernández L, Lorente G, Hajari E, Fonseca-Fuentes N, Martínez-Melo J, Lorenzo JC. Impacts of short-term water restriction on Pelibuey sheep: physiological and blood parameters. Trop Anim Health Prod 2022; 54:39. [PMID: 35006405 DOI: 10.1007/s11250-022-03050-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Accepted: 01/04/2022] [Indexed: 11/29/2022]
Abstract
One of the projected effects of climate change is a reduction in rainfall in certain regions of the world. Hence, the agricultural and livestock sectors will have to cope with increasing incidences of water shortage while still maintaining productivity levels to feed an ever increasing global population. This short communication reports on the effect of a 2-week water stress on Pelibuey sheep in Cuba. Three treatments were compared, viz. supply of water ad libitum, water supplied once every 3 or 6 days. Following exposure to the water stress, the results showed no changes in sheep body weight or rectal temperature. However, respiration frequency was affected with water stress causing a reduction from 23.3 to 13.3 respirations per min in control and water-deprived animals, respectively. Furthermore, there was evidence for hemoconcentration in response to water stress (levels of hemoglobin increased from 9.2 to 13.1 g L-1 and hematocrits from 27.6 to 39.3% in the control group and animals restricted to water once every 6 days. The imposed water stress was also evident in the reduction of lymphocytes (from ±63 to 43%), and in increase of neutrophils (from approximately 38 to 54%) and leukocytes (from 3133 to 4933 per mm3). The results indicated a decline in the levels of antioxidants, i.e., SOD from approximately 13 to 10 U mg-1 protein and CAT activity from 23 to 9 U mg-1 protein. To the best of our knowledge, this is the first report on the response of Pelibuey sheep to short-term water shortage stress under Cuban environmental conditions.
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Affiliation(s)
- Jorge Orlay Serrano
- Faculty of Agriculture, University of Ciego de Ávila, 69450, Ciego de Ávila, Cuba
| | | | | | | | - Lisbet Pérez-Bonachea
- Laboratory for Breeding and Conservation of Genetic Resources, Bioplant Center, University of Ciego de Avila, 69450, Ciego de Ávila, Cuba
| | - Lázaro Hernández
- Laboratory for Breeding and Conservation of Genetic Resources, Bioplant Center, University of Ciego de Avila, 69450, Ciego de Ávila, Cuba
| | - Gustavo Lorente
- Laboratory for Breeding and Conservation of Genetic Resources, Bioplant Center, University of Ciego de Avila, 69450, Ciego de Ávila, Cuba
| | - Elliosha Hajari
- Plant Improvement, Agricultural Research Council-Tropical and Subtropical Crops, Private Bag X11208, Nelspruit, 1200, South Africa
| | - Norge Fonseca-Fuentes
- Centro de Estudio de Producción Animal (CEPA), Universidad de Granma (UDG), carretera de Manzanillo km 17 ½ CP, 85100, Bayamo, Granma, Cuba
| | - Jorge Martínez-Melo
- Faculty of Agriculture, University of Ciego de Ávila, 69450, Ciego de Ávila, Cuba
| | - José Carlos Lorenzo
- Laboratory for Breeding and Conservation of Genetic Resources, Bioplant Center, University of Ciego de Avila, 69450, Ciego de Ávila, Cuba.
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22
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Alves MS, de Assis Dantas RA, de Oliveira Cruz R, Pereira VC, de Souza Filho MA, da Silva ING, Neto SG, Tavares KCS, Martins LT, de Araújo AA. Physiological impact of the environment on the welfare of transgenic goats raised in a tropical climate. INTERNATIONAL JOURNAL OF BIOMETEOROLOGY 2021; 65:2147-2155. [PMID: 34402987 DOI: 10.1007/s00484-021-02177-y] [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: 09/26/2020] [Revised: 05/14/2021] [Accepted: 07/22/2021] [Indexed: 06/13/2023]
Abstract
The present study evaluated the general welfare state of two strains of transgenic goats bred in a region with a hot and humid tropical climate. Nine females were used, being three transgenic for human lysozyme (hLZ group), three transgenic for human glucocerebrosidase (hGCase group), and three non-transgenic (control group). The temperature and humidity index (THI) were recorded during the morning, afternoon, and evening. The physiological parameters measured were respiratory rate, heart rate, and rectal and vaginal temperatures. Venous blood samples were collected using Vacutainer® tubes containing 10% ethylenediaminetetraacetic acid (EDTA). Also, analysis of erythrogram, leukogram, and some biochemical parameters of serum was performed. It was observed that the afternoon shift presented the largest THI, being potentially more impactful on the physiology of animals. In general, respiratory and heart rates were higher in transgenic animals, especially in the hLZ group compared to the control group (P < 0.05). Regarding the hematological parameters, the quantification of red blood cells, hemoglobin, and hematocrit was significantly lower (P < 0.05) in the hGCase group compared to that in the hLZ and control. The leukocyte count was considerably lower (P < 0.05) in the hLZ group compared to that in the hGCase and control. Correlation analysis showed that the increase in THI was associated with a change in physiological parameters normally used as indicators of thermal stress. Despite the differences found among the experimental groups, all the physiological parameters remained within the normal limits recommended for the goat species. Further studies involving a larger number of animals from different categories should be carried out to elucidate the impacts that transgenesis can have on animal welfare under different THI conditions.
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Affiliation(s)
- Matheus Soares Alves
- Faculty of Veterinary Medicine, State University of Ceará, Avenida Paranjana, 1700. Campus do Itaperi, Fortaleza, CE, CEP 60714-903, Brazil.
- Molecular and Developmental Biology Laboratory, School of Medicine, University of Fortaleza, Av. Washington Soares, 1321 - Edson Queiroz, Fortaleza, CE, 60811-905, Brazil.
| | - Raul Andrei de Assis Dantas
- Faculty of Veterinary Medicine, State University of Ceará, Avenida Paranjana, 1700. Campus do Itaperi, Fortaleza, CE, CEP 60714-903, Brazil
- Molecular and Developmental Biology Laboratory, School of Medicine, University of Fortaleza, Av. Washington Soares, 1321 - Edson Queiroz, Fortaleza, CE, 60811-905, Brazil
| | - Rosane de Oliveira Cruz
- Faculty of Veterinary Medicine, State University of Ceará, Avenida Paranjana, 1700. Campus do Itaperi, Fortaleza, CE, CEP 60714-903, Brazil
| | - Vinícius Carvalho Pereira
- Faculty of Veterinary Medicine, State University of Ceará, Avenida Paranjana, 1700. Campus do Itaperi, Fortaleza, CE, CEP 60714-903, Brazil
| | - Marcos Alves de Souza Filho
- Faculty of Veterinary Medicine, State University of Ceará, Avenida Paranjana, 1700. Campus do Itaperi, Fortaleza, CE, CEP 60714-903, Brazil
| | - Isaac Neto Goes da Silva
- Faculty of Veterinary Medicine, State University of Ceará, Avenida Paranjana, 1700. Campus do Itaperi, Fortaleza, CE, CEP 60714-903, Brazil
| | - Saul Gaudêncio Neto
- Molecular and Developmental Biology Laboratory, School of Medicine, University of Fortaleza, Av. Washington Soares, 1321 - Edson Queiroz, Fortaleza, CE, 60811-905, Brazil
| | - Kaio Cesar Simiano Tavares
- Molecular and Developmental Biology Laboratory, School of Medicine, University of Fortaleza, Av. Washington Soares, 1321 - Edson Queiroz, Fortaleza, CE, 60811-905, Brazil
| | - Leonardo Tondello Martins
- Molecular and Developmental Biology Laboratory, School of Medicine, University of Fortaleza, Av. Washington Soares, 1321 - Edson Queiroz, Fortaleza, CE, 60811-905, Brazil
| | - Airton Alencar de Araújo
- Faculty of Veterinary Medicine, State University of Ceará, Avenida Paranjana, 1700. Campus do Itaperi, Fortaleza, CE, CEP 60714-903, Brazil
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Silva TH, Guimaraes I, Menta PR, Fernandes L, Paiva D, Ribeiro TL, Celestino ML, Netto AS, Ballou MA, Machado VS. Effect of injectable trace mineral supplementation on peripheral polymorphonuclear leukocyte function, antioxidant enzymes, health, and performance in dairy cows in semi-arid conditions. J Dairy Sci 2021; 105:1649-1660. [PMID: 34799106 DOI: 10.3168/jds.2021-20624] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2021] [Accepted: 09/28/2021] [Indexed: 12/28/2022]
Abstract
The objective of this study was to evaluate the effect of subcutaneous injections of 15 mg/mL Cu, 5 mg/mL Se, 60 mg/mL Zn, and 10 mg/mL Mn on health, performance, polymorphonuclear leukocyte (PMNL) function, circulating glutathione peroxidase (GPx) and superoxide dismutase (SOD) concentrations, and inflammation of dairy cows undergoing the transition period in high temperature-humidity index. A total of 923 multiparous cows from 2 commercial dairy farms were randomly allocated into 1 of 2 treatment groups as follows: control and injectable trace mineral supplementation (ITMS). Cows in the ITMS group received 7 mL of subcutaneous injections at dry-off (208 ± 3 d of gestation), 260 ± 3 d of gestation, and at 35 ± 3 d in milk (DIM). Data regarding health traits, reproductive performance, milk yield, and survivability were extracted from farm database software, and animals were followed-up until 300 DIM. For a subset of 142 cows from one herd, blood samples were collected at enrollment, and at 3 ± 1, 7 ± 1, 10 ± 1, and 35 ± 3 DIM to evaluate hematology, PMNL function, GPx and SOD concentrations, and circulating haptoglobin. Logistic regression was used to assess health and pregnancy per artificial insemination at first service. Cox proportional hazards models were used to evaluate hazard of pregnancy and culling. Mixed linear regression models accounting for repeated measures were used to assess all continuous variables collected over time. Parity, twinning, and previous gestation length were considered as potential confounders. Farm was included as a random effect. The ITMS cows tended to have lower incidence of metritis and stillbirth compared with control group. However, ITMS treatment did not influence the incidence of other diseases (e.g., mastitis, retained placenta), milk yield, reproductive performance, culling, and leukocyte count. Neutrophil-to-lymphocyte ratio, PMNL phagocytosis, and oxidative burst as well as intensity of the oxidative burst were greater for ITMS-treated cows in comparison to control cows. The ITMS cows had decreased expression of the adhesion molecule L-selectin on PMNL surface. The serum concentration of GPx and SOD were not affected by ITMS treatment. In conclusion, ITMS tended to reduce the incidence of metritis and stillbirth parturition, improved PMNL function, and improved the inflammatory status of dairy cows undergoing the transition period in high temperature-humidity index conditions. However, these findings did not translate into improved milk yield, reproductive performance, and survivability.
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Affiliation(s)
- T H Silva
- Department of Veterinary Sciences, Texas Tech University, Lubbock 79415; Department of Animal Science, School of Animal Science and Food Engineering, University of Sao Paulo, Pirassununga, SP 13635-900 Brazil
| | - I Guimaraes
- Department of Veterinary Sciences, Texas Tech University, Lubbock 79415
| | - P R Menta
- Department of Veterinary Sciences, Texas Tech University, Lubbock 79415
| | - L Fernandes
- Department of Veterinary Sciences, Texas Tech University, Lubbock 79415
| | - D Paiva
- Department of Veterinary Sciences, Texas Tech University, Lubbock 79415
| | - T L Ribeiro
- Department of Veterinary Sciences, Texas Tech University, Lubbock 79415
| | - M L Celestino
- Department of Veterinary Sciences, Texas Tech University, Lubbock 79415
| | - A Saran Netto
- Department of Animal Science, School of Animal Science and Food Engineering, University of Sao Paulo, Pirassununga, SP 13635-900 Brazil
| | - M A Ballou
- Department of Veterinary Sciences, Texas Tech University, Lubbock 79415
| | - V S Machado
- Department of Veterinary Sciences, Texas Tech University, Lubbock 79415.
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Gao ST, Guo ZT, Baumgard LH, Ma L, Bu DP. Cooling ameliorates decreased milk protein metrics in heat-stressed lactating Holstein cows. J Dairy Sci 2021; 104:12139-12152. [PMID: 34419281 DOI: 10.3168/jds.2021-20451] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2021] [Accepted: 06/30/2021] [Indexed: 11/19/2022]
Abstract
Cooling can alleviate the negative consequences of heat stress on multiple milk production metrics in dairy cows. However, it is still controversial whether cooling can increase milk protein content compared with heat-stressed cows. The objective of the present study was to evaluate the relief effect of cooling on the decrease in milk protein concentration during heat stress and elucidate the potential metabolic mechanisms. Thirty lactating multiparous Holstein cows (days in milk = 175 ± 25 d, milk yield = 27.5 ± 2.5 kg/d; mean ± SD) were assigned to 1 of 3 treatments: heat stress (HS; n = 10), cooling (CL; n = 10), and cooling with pair-feeding (PFCL; n = 10). The barns for PFCL and CL cows were equipped with sprinklers and fans, whereas the barn for HS cows were not. The average temperature-humidity index during the experiment ranged from 74 to 83. The spraying was activated automatically 2 times per day (1130-1330 h and 1500-1600 h) with 3 min on and 6 min off during the first 2 wk, and 1.5 min on and 3 min off during the last 2 wk, whereas the fans operated 24 h/d. The experiment lasted for 4 wk in total. Milk, urine, feces, total mixed ration, blood, and rumen fluid samples were collected weekly. Compared with HS, feed efficiency (1.24 and 1.49), milk protein yield (0.82 and 0.94 kg/d), and milk fat yield (0.98 and 1.26 kg/d) were increased in PFCL, whereas the differences between CL and HS were not significant. Compared with HS cows, PFCL and CL cows had a lower respiratory rate (70.6, 59.1, and 60.3 breaths per minute, respectively), rectal temperature (38.95, 38.61, and 38.51°C), and shoulder skin temperature (33.95, 33.25, 33.40°C), and had greater milk protein content (3.41, 3.72, and 3.69%) and milk fat percent (4.08, 4.97, 4.65%). Both the blood activity of catalase (increased by 12.8 and 41.0%) and glutathione peroxidase (12.6 and 40.4%) of PFCL and CL cows were greater than the HS cows. Compared with HS, cooling increased the blood content of glucose, methionine, threonine, and cystathionine by 10.7% and 10.3%, 19.0% and 9.5%, 15.8% and 12.0%, and 9.5% and 23.8% in PFCL and CL, respectively. In conclusion, the results indicated that cooling partially rescued milk protein synthesis induced by heat stress, and the potential mechanism may have been due to increased antioxidant ability, blood glucose, and key AA. Consequently, in addition to modifying the environment, nutritional and physiological strategies designed to influence carbohydrate, AA, and oxidative homeostasis may be an opportunity to maintain or correct low milk protein content during the warm summer months.
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Affiliation(s)
- S T Gao
- State Key Laboratory of Animal Nutrition, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, 100193, China
| | - Z T Guo
- State Key Laboratory of Animal Nutrition, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, 100193, China
| | - L H Baumgard
- Department of Animal Science, Iowa State University, Ames 50011
| | - L Ma
- State Key Laboratory of Animal Nutrition, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, 100193, China.
| | - D P Bu
- State Key Laboratory of Animal Nutrition, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, 100193, China.
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Xiao L, Xu SJ, Liu C, Wang J, Hu B, Xu HG. Sod2 and catalase improve pathological conditions of intervertebral disc degeneration by modifying human adipose-derived mesenchymal stem cells. Life Sci 2021; 267:118929. [PMID: 33359244 DOI: 10.1016/j.lfs.2020.118929] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Revised: 11/29/2020] [Accepted: 12/14/2020] [Indexed: 01/12/2023]
Abstract
OBJECTIVE To investigate if the modification of human adipose-derived mesenchymal stem cells (hADSCs) by the antioxidants superoxide dismutase 2 (Sod2) and catalase (Cat) can attenuate the pathological conditions of intervertebral disc degeneration (IVD). METHODS In vitro, MTT assay and qRT-PCR was used to detect cell proliferation and gene expressions in hADSCs transduced with Ad-null (an adenovirus vector containing no transgene expression cassette), Ad-Sod2 (recombinant adenovirus Sod2) and Ad-Cat. IVD mouse models were generated by needle puncture and treated with hADSCs with/without Ad-null/Ad-Sod2/Ad-Cat. X-ray evaluation, magnetic resonance imaging (MRI) analysis, histological analysis, immunohistochemistry, Western blots, ELISAs and qRT-PCR were performed. RESULTS hADSCs transduced with Ad-Sod2 and Ad-Cat showed enhanced cell proliferation with the upregulation of SOX9, ACAN, and COL2. In vivo, IVD mice injected with hADSCs showed increased disc height index, MRI index and mean T2 intensities, as well as the attenuated histologic grading of the annulus fibrosus (AF) and NP accompanied by the upregulation of GAG and COL2, which were further improved in the Ad-Sod2 hADSC + IVD and Ad-Cat hADSC + IVD groups. Furthermore, the increased expression of IL-1β, IL-6 and TNF-α was reduced in IVD mice injected with hADSCs. Compared with the hADSC + IVD group, the Ad-Sod2 hADSC/Ad-Cat hADSC + IVD groups had lower expression of pro-inflammatory factors. CONCLUSION Modification of hADSCs by the antioxidants Sod2 and Cat improved the pathological condition of intervertebral disc tissues with increased GAG and COL2 expression, as well as reduced inflammation, thereby demonstrating a therapeutic effect in IVD.
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Affiliation(s)
- Liang Xiao
- Reseach center of Spine Surgery, Key Laboratory of Non-coding RNA Transformation Research of Anhui Higher Education Institution (Wannan Medical College), Department of Spine Surgery, Yijishan Hospital, The First Affliated Hospital of Wannan Medical College, Wuhu, Anhui, 241001, China
| | - Shu-Juan Xu
- Reseach center of Spine Surgery, Key Laboratory of Non-coding RNA Transformation Research of Anhui Higher Education Institution (Wannan Medical College), Department of Spine Surgery, Yijishan Hospital, The First Affliated Hospital of Wannan Medical College, Wuhu, Anhui, 241001, China
| | - Chen Liu
- Reseach center of Spine Surgery, Key Laboratory of Non-coding RNA Transformation Research of Anhui Higher Education Institution (Wannan Medical College), Department of Spine Surgery, Yijishan Hospital, The First Affliated Hospital of Wannan Medical College, Wuhu, Anhui, 241001, China
| | - Jing Wang
- Reseach center of Spine Surgery, Key Laboratory of Non-coding RNA Transformation Research of Anhui Higher Education Institution (Wannan Medical College), Department of Spine Surgery, Yijishan Hospital, The First Affliated Hospital of Wannan Medical College, Wuhu, Anhui, 241001, China
| | - Bo Hu
- Reseach center of Spine Surgery, Key Laboratory of Non-coding RNA Transformation Research of Anhui Higher Education Institution (Wannan Medical College), Department of Spine Surgery, Yijishan Hospital, The First Affliated Hospital of Wannan Medical College, Wuhu, Anhui, 241001, China
| | - Hong-Guang Xu
- Reseach center of Spine Surgery, Key Laboratory of Non-coding RNA Transformation Research of Anhui Higher Education Institution (Wannan Medical College), Department of Spine Surgery, Yijishan Hospital, The First Affliated Hospital of Wannan Medical College, Wuhu, Anhui, 241001, China.
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