Seminal plasma osteopontin: A marker for potential fertility in dogs

SN Abedin, V Leela, P Devendran… - Indian Journal of …, 2021 - indianjournals.com
SN Abedin, V Leela, P Devendran, G Suganya, S Rangasamy, K Loganathasamy
Indian Journal of Animal Research, 2021•indianjournals.com
Background Osteopontin (OPN) is an extracellular matrix protein with multifunctions and has
been identified in the reproductive tract of both males and females. OPN from the seminal
plasma (SP) has been closely associated with male fertility in several domestic animals.
Different isoforms of OPN has been identified in the SP and sperm membrane in dogs but
with unknown functions. The current study investigated the comparison of key canine sperm
microscopic parameters and SP markers between dogs exhibiting different fertility potential …
Abstract
Background
Osteopontin (OPN) is an extracellular matrix protein with multifunctions and has been identified in the reproductive tract of both males and females. OPN from the seminal plasma (SP) has been closely associated with male fertility in several domestic animals. Different isoforms of OPN has been identified in the SP and sperm membrane in dogs but with unknown functions. The current study investigated the comparison of key canine sperm microscopic parameters and SP markers between dogs exhibiting different fertility potential.
Methods
In this investigation during 2018–2019, 21 dogs coming for breeding soundness examination were selected and divided into fertile (Group I) and hypofertile (Group II). Evaluation included assessment of sperm microscopic characteristics and estimation of OPN, Malondialdehyde (MDA), Catalase (CAT), Glutathione peroxidase (GPx) and Superoxide dismutase (SOD) concentration in the SP.
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