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Systemic Expression of Galectin Genes in Periparturient Goats

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Submitted:

02 April 2018

Posted:

03 April 2018

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Abstract
Galectins constitute an evolutionarily conserved family of β-galactoside-binding proteins. They regulate innate and adaptive immunity and homeostasis. Expression of Galectins may regulate periparturient immune suppression. Galectin gene expression was studied in goat blood during the periparturient period. Body weight, body condition and FAMACHA scores, and fecal and blood samples were collected from Five BoerXSpanish goats at 14 days and 7 days after parturition. Fecal samples were used to assess parasite load. Total RNA was isolated from blood using Trizol and converted to cDNA for real-time PCR using specific primers for goat LGALs-1, -2, -3, -4, -7, -8, -9, -11, -12, -14, -15, -16, and ligand Gal3bp, T-cell immunoglobulin domain, and mucin domain 3(TIM-3). Beta-actin and GAPDH housekeeping genes were used as internal controls. Fold changes in transcript abundance were compared to non-pregnant goats and calculated using the Livak method. Secretion of GALS-1, -3 and -9 in plasma was detected using ELISA. Data were analyzed using SAS 9.4 and Pearson correlations (p<0.05). Galectins were expressed and correlated to changes in leukocytes and fecal egg counts. Secreted GALS-1 decreased and GALS-3 and -9 increased (p<0.05) postpartum. Differential expression of Gal may have functional implications in animal health and homeostasis and needs further study.
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Subject: Biology and Life Sciences  -   Animal Science, Veterinary Science and Zoology
Copyright: This open access article is published under a Creative Commons CC BY 4.0 license, which permit the free download, distribution, and reuse, provided that the author and preprint are cited in any reuse.
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