C - Chemistry – Metallurgy – 12 – N
Patent
C - Chemistry, Metallurgy
12
N
C12N 5/076 (2010.01) C12N 5/073 (2010.01) C12N 5/075 (2010.01) A61K 47/36 (2006.01) A61B 10/00 (2006.01) A61B 17/425 (2006.01) A61B 17/43 (2006.01)
Patent
CA 2235069
Sperm, oocyte, and embryo survival and function is improved in vivo or in vitro by the use of a polysaccharide containing arabinose, galactose and/or hexuronic acid. In particular, a nonspermicidal lubricant containing such a polysaccharide (e.g., gum arabic, pectin, or galacturonic acid) increases the fertilization potential of the sperm during coitus, artificial insemination or sperm collection. Similarly, a freezing medium containing a polysaccharide containing arabinose, galactose and/or hexuronic acid enhances sperm, oocyte, or embryo viability.
On améliore la survie et les fonctions in vivo et in vitro de sperme, d'ovocytes et d'embryons en utilisant un polysaccharide qui contient de l'arabinose, du galactose et/ou de l'acide hexuronique. En particulier, un lubrifiant non spermicide contenant un polysaccharide de ce type (par ex. gomme arabique, pectine ou acide galacturonique) augmente le potentiel de fécondation du sperme lors du rapport sexuel, de l'insémination artificielle ou du prélèvement de sperme. De même, un milieu de congélation contenant un polysaccharide qui renferme de l'arabinose, du galactose et/ou de l'acide hexuronique améliore la viabilité du sperme, des ovocytes et des embryons.
Ellington Joanna E.
Oliver Sylvia Adams
Advanced Reproduction Technologies Inc.
Bio-Origyn Llc
Gowling Lafleur Henderson Llp
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