A procedure for the determination of fragmentation of dna in...

C - Chemistry – Metallurgy – 12 – Q

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C12Q 1/68 (2006.01)

Patent

CA 2554409

The present invention describes a method for the determination of DNA fragmentation in animal sperm cells. Specially it is related to a method to evaluate the integrity of the chromatin/DNA of the sperm cells by means of the sample treatment with a denaturing DNA solution followed, optionally, of a staining; a later treatment with a lysing solution which does not contain protein denaturing detergent, followed optionally by a staining; and an evaluation of the integrity of the chromatin/DNA. The present invention is furthermore related to a kit to evaluate the quality of the animal sperm cells which includes a denaturing DNA solution and a lysing solution which does not contain protein denaturing detergent.

La présente invention concerne un procédé de détermination de la fragmentation de l'ADN dans les spermatozoïdes d'animaux. L'invention concerne notamment un procédé permettant d'évaluer l'intégrité de la chromatine/l'ADN des spermatozoïdes par un traitement d'échantillon à l'aide d'une solution dénaturalisante de l'ADN suivie facultativement d'une coloration; un traitement postérieur avec une solution de lyse ne contenant pas de détergent dénaturalisant de protéines suivie facultativement d'une coloration; et une évaluation de l'intégrité de la chromatine/l'ADN. L'invention concerne également un kit permettant d'évaluer la qualité des spermatozoïdes d'animaux contenant une solution dénaturalisant l'ADN ainsi qu'une solution de lyse ne contenant pas de détergent dénaturalisant de protéines.

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