Liposome-based semen extender is suitable alternative to egg yolk-based extender for cryopreservation of buffalo (Bubalus bubalis) semen. 2015

Pradeep Kumar, and Monika Saini, and Dharmendra Kumar, and A K Balhara, and S P Yadav, and P Singh, and P S Yadav
ICAR-Central Institute for Research on Buffaloes, Hisar, Haryana, India. Electronic address: drpradeepkrvet@gmail.com.

Demand for alternative of egg yolk in freezing extenders have increased in recent years due to variability in egg yolk composition, risk of microbial contamination and presence of steroid hormones. The alternative to egg yolk-based extender (EY) can be soya lecithin-based extender (SL) and liposome-based extender (LP). However, the efficacy of SL is still a matter of debate. Few studies have been performed on the effect of LP but to date evaluation of buffalo semen cryopreserved in LP has not been studied. Therefore, this study was designed to compare SL and LP with conventional EY for evaluation of post-thaw quality of buffalo semen. Results showed that total, progressive and rapid sperm motility were found significantly higher (P<0.05) in LP among these extenders. In vitro assessment of post-thaw sperm longevity has also resulted in better maintenance of sperm kinetics and motility in LP in comparison to other extenders. Furthermore, sperm cryopreserved in LP travelled significantly more (P<0.05) distance in cervical mucus as compared to SL and EY. Therefore, it can be concluded that the LP is more efficient than SL and EY for the cryopreservation of buffalo semen.

UI MeSH Term Description Entries
D008081 Liposomes Artificial, single or multilaminar vesicles (made from lecithins or other lipids) that are used for the delivery of a variety of biological molecules or molecular complexes to cells, for example, drug delivery and gene transfer. They are also used to study membranes and membrane proteins. Niosomes,Transferosomes,Ultradeformable Liposomes,Liposomes, Ultra-deformable,Liposome,Liposome, Ultra-deformable,Liposome, Ultradeformable,Liposomes, Ultra deformable,Liposomes, Ultradeformable,Niosome,Transferosome,Ultra-deformable Liposome,Ultra-deformable Liposomes,Ultradeformable Liposome
D008297 Male Males
D002020 Buffaloes Ruminants of the family Bovidae consisting of Bubalus arnee and Syncerus caffer. This concept is differentiated from BISON, which refers to Bison bison and Bison bonasus. Bubalus,Syncerus,Water Buffaloes,Buffalo,Water Buffalo,Buffalo, Water
D003451 Cryoprotective Agents Substances that provide protection against the harmful effects of freezing temperatures. Cryoprotective Agent,Cryoprotective Effect,Cryoprotective Effects,Agent, Cryoprotective,Agents, Cryoprotective,Effect, Cryoprotective,Effects, Cryoprotective
D004530 Egg Yolk Cytoplasm stored in an egg that contains nutritional reserves for the developing embryo. It is rich in polysaccharides, lipids, and proteins. Egg Yolks,Yolk, Egg,Yolks, Egg
D000177 Acrosome The cap-like structure covering the anterior portion of SPERM HEAD. Acrosome, derived from LYSOSOMES, is a membrane-bound organelle that contains the required hydrolytic and proteolytic enzymes necessary for sperm penetration of the egg in FERTILIZATION. Acrosomes
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D012661 Semen The thick, yellowish-white, viscid fluid secretion of male reproductive organs discharged upon ejaculation. In addition to reproductive organ secretions, it contains SPERMATOZOA and their nutrient plasma. Seminal Plasma,Plasma, Seminal
D013081 Sperm Motility Movement characteristics of SPERMATOZOA in a fresh specimen. It is measured as the percentage of sperms that are moving, and as the percentage of sperms with productive flagellar motion such as rapid, linear, and forward progression. Motilities, Sperm,Motility, Sperm,Sperm Motilities
D015925 Cryopreservation Preservation of cells, tissues, organs, or embryos by freezing. In histological preparations, cryopreservation or cryofixation is used to maintain the existing form, structure, and chemical composition of all the constituent elements of the specimens. Cryofixation,Cryonic Suspension,Cryonic Suspensions,Suspension, Cryonic

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