The Relationship between Mastitis and Antimicrobial Peptide S100A7 Expression in Dairy Goats

S100A7 is an inflammation-related protein and plays an essential role in host defenses, yet there is little research about the relationship between mastitis and S100A7 expression in dairy goats. Here, according to the clinical diagnosis of udders, SCC, and bacteriological culture (BC) of milk, 84 da...

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Main Authors: Yutong Yan, Kunyuan Zhu, Haokun Liu, Mingzhen Fan, Xiaoe Zhao, Menghao Pan, Baohua Ma, Qiang Wei
Format: Article
Language:English
Published: MDPI AG 2023-11-01
Series:Veterinary Sciences
Subjects:
Online Access:https://www.mdpi.com/2306-7381/10/11/653
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author Yutong Yan
Kunyuan Zhu
Haokun Liu
Mingzhen Fan
Xiaoe Zhao
Menghao Pan
Baohua Ma
Qiang Wei
author_facet Yutong Yan
Kunyuan Zhu
Haokun Liu
Mingzhen Fan
Xiaoe Zhao
Menghao Pan
Baohua Ma
Qiang Wei
author_sort Yutong Yan
collection DOAJ
description S100A7 is an inflammation-related protein and plays an essential role in host defenses, yet there is little research about the relationship between mastitis and S100A7 expression in dairy goats. Here, according to the clinical diagnosis of udders, SCC, and bacteriological culture (BC) of milk, 84 dairy goats were grouped into healthy goats (<i>n</i> = 25), subclinical mastitis goats (<i>n</i> = 36), and clinical mastitis goats (<i>n</i> = 23). The S100A7 concentration in subclinical mastitis goats was significantly upregulated than in healthy dairy goats (<i>p</i> = 0.0056) and had a limited change with clinical mastitis dairy goats (<i>p</i> = 0.8222). The relationship between log<sub>10</sub> SCC and S100A7 concentration in milk was positive and R = 0.05249; the regression equation was Y = 0.1446 × X + 12.54. According to the three groups, the log<sub>10</sub> SCC and S100A7 were analyzed using the receiver operating characteristics (ROC) curve; in subclinical mastitis goats, the area under the ROC curve (AUC) of log<sub>10</sub> SCC was 0.9222 and <i>p</i> < 0.0001, and the AUC of S100A7 concentration was 0.7317 and <i>p</i> = 0.0022, respectively; in clinical mastitis goats, the AUC of log<sub>10</sub> SCC was 0.9678 and <i>p</i> < 0.0001, and the AUC of S100A7 concentration was 0.5487 and <i>p</i> = 0.5634, respectively. In healthy goats, S100A7 was expressed weakly in the alveolus of the mammary gland of healthy goats while expressed densely in the collapsed alveolus of mastitis goats. Moreover, <i>S100A7</i> expression increased significantly in mastitis goats than in healthy dairy goats. In this research, results showed the effects of mastitis on the S100A7 expression in the mammary gland and S100A7 concentration in milk and the limited relationship between SCC and mastitis, which provided a new insight into S100A7’s role in the host defenses of dairy goats.
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spelling doaj.art-6cea2152d85049bd977d1e6d2854bf762023-11-24T15:10:28ZengMDPI AGVeterinary Sciences2306-73812023-11-01101165310.3390/vetsci10110653The Relationship between Mastitis and Antimicrobial Peptide S100A7 Expression in Dairy GoatsYutong Yan0Kunyuan Zhu1Haokun Liu2Mingzhen Fan3Xiaoe Zhao4Menghao Pan5Baohua Ma6Qiang Wei7Key Laboratory of Animal Biotechnology of the Ministry of Agriculture, Northwest A&F University, Xianyang 712100, ChinaKey Laboratory of Animal Biotechnology of the Ministry of Agriculture, Northwest A&F University, Xianyang 712100, ChinaKey Laboratory of Animal Biotechnology of the Ministry of Agriculture, Northwest A&F University, Xianyang 712100, ChinaKey Laboratory of Animal Biotechnology of the Ministry of Agriculture, Northwest A&F University, Xianyang 712100, ChinaKey Laboratory of Animal Biotechnology of the Ministry of Agriculture, Northwest A&F University, Xianyang 712100, ChinaKey Laboratory of Animal Biotechnology of the Ministry of Agriculture, Northwest A&F University, Xianyang 712100, ChinaKey Laboratory of Animal Biotechnology of the Ministry of Agriculture, Northwest A&F University, Xianyang 712100, ChinaKey Laboratory of Animal Biotechnology of the Ministry of Agriculture, Northwest A&F University, Xianyang 712100, ChinaS100A7 is an inflammation-related protein and plays an essential role in host defenses, yet there is little research about the relationship between mastitis and S100A7 expression in dairy goats. Here, according to the clinical diagnosis of udders, SCC, and bacteriological culture (BC) of milk, 84 dairy goats were grouped into healthy goats (<i>n</i> = 25), subclinical mastitis goats (<i>n</i> = 36), and clinical mastitis goats (<i>n</i> = 23). The S100A7 concentration in subclinical mastitis goats was significantly upregulated than in healthy dairy goats (<i>p</i> = 0.0056) and had a limited change with clinical mastitis dairy goats (<i>p</i> = 0.8222). The relationship between log<sub>10</sub> SCC and S100A7 concentration in milk was positive and R = 0.05249; the regression equation was Y = 0.1446 × X + 12.54. According to the three groups, the log<sub>10</sub> SCC and S100A7 were analyzed using the receiver operating characteristics (ROC) curve; in subclinical mastitis goats, the area under the ROC curve (AUC) of log<sub>10</sub> SCC was 0.9222 and <i>p</i> < 0.0001, and the AUC of S100A7 concentration was 0.7317 and <i>p</i> = 0.0022, respectively; in clinical mastitis goats, the AUC of log<sub>10</sub> SCC was 0.9678 and <i>p</i> < 0.0001, and the AUC of S100A7 concentration was 0.5487 and <i>p</i> = 0.5634, respectively. In healthy goats, S100A7 was expressed weakly in the alveolus of the mammary gland of healthy goats while expressed densely in the collapsed alveolus of mastitis goats. Moreover, <i>S100A7</i> expression increased significantly in mastitis goats than in healthy dairy goats. In this research, results showed the effects of mastitis on the S100A7 expression in the mammary gland and S100A7 concentration in milk and the limited relationship between SCC and mastitis, which provided a new insight into S100A7’s role in the host defenses of dairy goats.https://www.mdpi.com/2306-7381/10/11/653S100A7somatic cell countdairy goatmastitis
spellingShingle Yutong Yan
Kunyuan Zhu
Haokun Liu
Mingzhen Fan
Xiaoe Zhao
Menghao Pan
Baohua Ma
Qiang Wei
The Relationship between Mastitis and Antimicrobial Peptide S100A7 Expression in Dairy Goats
Veterinary Sciences
S100A7
somatic cell count
dairy goat
mastitis
title The Relationship between Mastitis and Antimicrobial Peptide S100A7 Expression in Dairy Goats
title_full The Relationship between Mastitis and Antimicrobial Peptide S100A7 Expression in Dairy Goats
title_fullStr The Relationship between Mastitis and Antimicrobial Peptide S100A7 Expression in Dairy Goats
title_full_unstemmed The Relationship between Mastitis and Antimicrobial Peptide S100A7 Expression in Dairy Goats
title_short The Relationship between Mastitis and Antimicrobial Peptide S100A7 Expression in Dairy Goats
title_sort relationship between mastitis and antimicrobial peptide s100a7 expression in dairy goats
topic S100A7
somatic cell count
dairy goat
mastitis
url https://www.mdpi.com/2306-7381/10/11/653
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