Organic Stress-Reducing Agents for Sperm Protection
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Solution Overview
Problem
Current methods for handling and processing sperm cells in assisted reproductive technologies (ART) face challenges such as high stress and damage during handling, leading to reduced viability, motility, and fertility, particularly during sex-sorting and cryopreservation, which increases costs and inefficiencies in ART procedures.
Innovation Solution
The use of organic stress-reducing agents (OSRs) like antioxidants and vitamins at concentrations between 0.01 mg/ml and 5 mg/ml is introduced to sperm cell samples to minimize trauma and enhance the quality and longevity of sperm cells, improving their integrity and performance in ART processes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional handling and processing methods are used for sperm cells, then the procedures are simpler and less costly, but sperm cells experience high stress and damage leading to reduced viability, motility, and fertility
Solution Approach 1:
The patent introduces organic stress-reducing agents (OSRs) including antioxidants and vitamins as intermediary substances that mediate between the sperm cells and the stressful handling environment. These agents act as protective intermediaries that reduce oxidative stress and cellular damage during processing, sorting, and cryopreservation procedures.
Solution Approach 2:
The patent applies beforehand cushioning by adding OSRs to sperm cell samples prior to stressful procedures such as sex-sorting and cryopreservation. This pre-protection strategy ensures that sperm cells are already shielded against anticipated stressors, reducing damage before it occurs rather than attempting remediation afterward.
2Adaptability or versatility
If sex-sorting and cryopreservation procedures are performed, then pre-natal gender selection and storage are achieved, but sperm cell quality and viability are significantly reduced
Solution Approach 1:
OSRs serve as protective intermediaries during sex-sorting and cryopreservation procedures. The antioxidants and vitamins mitigate the harmful effects of sorting stress and freezing/thawing cycles, allowing these versatile procedures to be performed while preserving sperm cell quality and fertility potential.
Solution Approach 2:
The patent modifies the chemical environment parameters by introducing OSRs at specific concentrations (0.01-5 mg/ml) to create a protective biochemical atmosphere during sorting and cryopreservation. This parameter change in the handling medium protects sperm cells from the detrimental effects of these procedures.
3Reliability
If high numbers of sperm cells are used per AI dose, then fertilization success is ensured, but the cost and inefficiency of ART procedures increase
Solution Approach 1:
The patent uses relatively small amounts of OSRs (cheap consumable substances) to protect sperm cells, replacing the need to use large numbers of sperm cells. This approach is more cost-effective because OSRs are inexpensive additives that prevent sperm cell loss, whereas using excess sperm cells represents a waste of valuable genetic material and increases procedural costs.
4Adaptability or versatility
If multiple processing steps are performed on sperm cells, then ART procedures become more comprehensive, but cellular integrity and membrane structure are negatively impacted
Solution Approach 1:
The patent applies beforehand cushioning by incorporating OSRs into the handling medium before multiple processing steps are performed. This pre-established protective environment shields sperm cells from cumulative damage during sequential procedures such as sorting, washing, and cryopreservation, maintaining cellular integrity throughout the comprehensive processing protocol.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The addition of OSRs significantly improves sperm motility, viability, and fertility, increasing the success rates of ART techniques like IVF and AI, and extends the viability of sperm cells during storage and handling, making ART procedures more efficient and cost-effective.
Implementation Method 1
The use of organic stress-reducing agents (OSRs) like antioxidants and vitamins at concentrations between 0.01 mg/ml and 5 mg/ml is introduced to sperm cell samples to minimize trauma and enhance the quality and longevity of sperm cells
Data Source
AI summary
The present invention generally relates to compositions and methods for the handling of processed sperm populations including samples that are freshly collected, those transported as fresh samples, as well as samples that are frozen and thawed, those sorted into one or more subpopulations, and those that are otherwise processed or handled that impose trauma on the sperm cell. Such trauma can reduce the motility, fertility, viability and overall integrity of the sperm and reduce the sperm's ability to fertilize an egg, grow into a health embryo and produce a healthy offspring. The present invention relates to novel compounds that can be added to the sperm cell sample to reduce the traumatic effects of physical stress during mild as well as extensive sperm cell processing, methods of using the compounds in standard sperm processing procedures, the end products made from these methods including sperm and embryos, as well as methods of using those end products in assisted reproductive biology techniques in animals.