Cloned Pig Embryos
Cloned Pig Embryos - Related Videos
01:27
Reproductive Cloning
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2019
Reproductive cloning is the process of producing a genetically identical copy—a clone—of an entire organism. While clones can be produced by splitting an early embryo—similar to what happens naturally with identical twins—cloning of adult animals is usually done by a process called somatic cell nuclear transfer (SCNT). Somatic Cell Nuclear Transfer In SCNT, an egg cell is taken from an animal and its nucleus is removed, creating an enucleated egg. Then a somatic cell—any cell that is not a sex...
09:55
Molecular Cloning
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2023
Molecular cloning is a set of methods, which are used to insert recombinant DNA into a vector - a carrier of DNA molecules that will replicate recombinant DNA fragments in host organisms. The DNA fragment, which may be a gene, can be isolated from a prokaryotic or eukaryotic specimen. Following isolation of the fragment of interest, or insert, both the vector and insert must be cut with restriction enzymes and purified. The purified pieces are joined together though a technique called...
01:28
Pig Handling and Restraint
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2026
All animal procedures described here must be conducted in accordance with institutional animal ethics guidelines and approved by IACUC. All procedures must follow the principles of the 3Rs—Replacement, Reduction, and Refinement—and must be performed by trained personnel. Acclimation and Positive Reinforcement Training Pigs are social animals that respond best to calm, low-stress handling techniques. Acclimation and positive reinforcement training are important refinement strategies recommended...
05:21
Culturing and Harvesting of HSPC Clones: A Method to Obtain the Singly-Sorted HSPC Clones
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2023
This video describes the protocol for isolating HSPCs from the bone marrow and sorting them using a fluorescent activated cell sorting technique, which is a method to obtain singly-sorted HSPCs. We culture these sorted cells to obtain HSPC clones.
01:36
Compound Administration in a Pig Model
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2026
All animal procedures described here must be conducted in accordance with institutional animal ethics guidelines and approved by IACUC. All procedures must follow the principles of the 3Rs—Replacement, Reduction, and Refinement—and must be performed by trained personnel. Administration of medications, experimental drugs, and other test substances in pigs requires an appropriate route based on study objectives, compound properties, and animal welfare considerations. Noninvasive delivery through...
FAQs
Nuclear reprogramming is treated as a major determinant of whether reconstructed embryos remain viable and progress through development. Researchers can examine this relationship by following embryo development during controlled culture rather than considering nuclear transfer only as a copying step. This makes cloned pig embryos useful for studying how transferred genetic material supports or limits early developmental progression.
Removing the oocyte nucleus prevents the recipient egg's original nuclear genetic material from contributing to the reconstructed embryo. Inserting the donor-cell nucleus establishes the nuclear source being studied, while activation enables the reconstructed egg to begin dividing. Together, these steps let researchers examine whether the transferred nucleus can support embryo development under controlled culture conditions.
Controlled culture conditions are important because they provide the environment in which reconstructed eggs begin dividing and embryos can be observed. Researchers can use this setting to assess embryo viability and developmental progression, outcomes that help reveal how nuclear reprogramming influences early development. The culture stage therefore connects the reconstruction procedure with measurable developmental results.
Cloned pig embryos can provide information about early development, embryo viability, nuclear reprogramming, genetic modification, and reproductive biology. Their development under controlled culture conditions gives researchers a focused way to examine early developmental outcomes. This makes the embryo stage relevant to both basic reproductive studies and biomedical research involving pigs.
Cloned pigs may serve as models for human diseases, giving medicine a pig-based system for biomedical investigation. They are also potential sources of organs or tissues for transplantation. Embryo research is relevant because it examines early development and nuclear reprogramming, processes that are important when studying how these medically relevant animals are produced and evaluated.
The embryo system supports research on genetic modification alongside studies of early development and reproductive biology. That combination allows investigators to relate genetic changes to developmental questions and to the broader use of pigs in biomedical disease research. The approach is therefore valuable not only for copying nuclear material, but also for examining how modified embryos may contribute to medical models.