Sperm Dna Integrity
Sperm Dna Integrity - Related Videos
07:40
Avian Semen Collection by Cloacal Massage and Isolation of DNA from Sperm
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Cited by 21 •
2018
This protocol describes cloacal massage, a non-invasive manual technique for collecting semen from birds, and DNA extraction from avian sperm using a commercial extraction kit with modifications.
09:31
Amplification, Next-generation Sequencing, and Genomic DNA Mapping of Retroviral Integration Sites
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Cited by 56 •
2016
We describe a protocol for amplifying retroviral integration sites from the genomic DNA of infected cells, sequencing the amplified virus-host junctions, and then mapping these sequences to a reference genome. We also describe techniques to quantify the distribution of integration sites relative to various genomic annotations using BEDTools.
07:58
Cell-Free DNA Integrity Analysis in Urine Samples
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Cited by 16 •
2017
A method for analyzing DNA integrity in the cell-free supernatant fraction of urine samples is proposed. The method is suitable for early detection of urological malignancies and has proven accurate for the early diagnosis of bladder cancer.
10:00
Harvesting Sperm and Artificial Insemination of Mice
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Cited by 18 •
2007
This protocol demonstrates methods for extracting sperm from the testes of males and then inseminating female mice. This procedure is useful when precise time is needed in developmental studies as well as transgenic work.
16:19
Fluorescence in situ hybridization (FISH) Protocol in Human Sperm
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Cited by 39 •
2009
This video-article describes, step by step, how to process a semen sample to achieve good-quality fluorescence in situ hybridization on human spermatozoa. Preparations obtained can be used for aneuploidy screening in the context of clinical diagnosis.
FAQs
Tightly packaged chromatin helps protect the genetic material carried by sperm cells. When packaging is inadequate, the DNA may become more vulnerable to damage and strand breaks. This matters clinically because preserved genetic material supports the reproductive potential of sperm, whereas compromised packaging can contribute to difficulties involving fertilization or subsequent embryo development.
Reactive oxygen species can damage sperm DNA, while effective repair processes help limit or correct that damage. If oxidative injury is excessive or repair is defective, strand breaks and fragmentation may accumulate. Considering both influences helps explain why sperm DNA integrity can be impaired even when other aspects of reproductive assessment do not fully reveal the underlying problem.
Conventional semen analysis does not provide the complete picture of genetic material preservation described by sperm DNA integrity. Assessing DNA damage adds information about a different aspect of reproductive potential, particularly when fertilization or embryo development concerns remain. Clinicians can therefore use both types of information to interpret male reproductive health more comprehensively.
Evaluation may be considered during infertility assessment, especially when clinicians need information beyond conventional semen findings. The topic is also relevant in the context of varicocele, environmental risks, or treatment-related risks that could affect sperm genetic material. Results can support further investigation rather than serving as an isolated replacement for broader clinical assessment.
Results may help clinicians interpret reproductive potential and discuss assisted reproductive options in the context of the couple's overall evaluation. They do not by themselves determine a single course of care. Instead, the findings add information about sperm genetic material that can contribute to individualized clinical decisions when fertilization or embryo development is a concern.
These contexts can prompt attention to whether sperm genetic material has been affected, making DNA integrity assessment a useful complement to other reproductive evaluations. The result may help identify the need for further investigation and place reproductive findings in context. In medicine, that information can support individualized care rather than relying only on routine semen characteristics.