blastocysts Protocols

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Collecting Blastocysts Protocol - http://www.cshprotocols.org/cgi/content/extract/2006/1/pdb.prot4360

Category: Mouse Protocols: Mouse Embryology Protocols

Protocol describes a method for collecting blastocysts from pregnant female mice at 3.5 to 4.5 days post coitum (dpc). The blastocysts can then be injected with embryonic stem cells to make chimeras. - [Read Collecting Blastocysts Protocol]

De Novo Isolation of Embryonic Stem (ES) Cell Lines from Blastocysts Protocol - http://www.cshprotocols.org/cgi/content/extract/2006/16/pdb.prot4403

Category: Stem Cell Protocols: Stem Cell Isolation Protocols

The starting material for de novo isolation of stem cell lines can be either normal 3.5-days post coitum (dpc) expanded blastocysts or "delayed" blastocysts. Delayed blastocysts are usually collected 4-6 days after ovariectomy. For both groups of blastocysts, tissue culture procedures are similar. The only difference is the timing of the first disaggregation, because delayed blastocysts will initially grow more slowly. - [Read De Novo Isolation of Embryonic Stem (ES) Cell Lines from Blastocysts Protocol]

Derivation of Trophoblast Stem (TS) Cell Lines from Blastocysts Protocol - http://www.cshprotocols.org/cgi/content/extract/2006/18/pdb.prot4407

Category: Stem Cell Protocols

This protocol decribes derivation of TS cell lines from 3.5-days post coitum (dpc) mouse blastocysts. The procedure is similar to the derivation of embryonic stem (ES) cell lines. However, the success rate is considerably higher, and less expertise is required to recognize pluripotent TS cell colonies. - [Read Derivation of Trophoblast Stem (TS) Cell Lines from Blastocysts Protocol]

Disaggregating Cleavage-Stage Embryos and the Inner Cell Mass of Blastocysts into Individual Cells - http://www.cshprotocols.org/cgi/content/extract/2006/21/pdb.prot4427

Category: Mouse Protocols: Mouse Embryology Protocols

Protocol describes a method for disaggregating embryos and the ICM of blastocysts into individual cells. - [Read Disaggregating Cleavage-Stage Embryos and the Inner Cell Mass of Blastocysts into Individual Cells]

Genetically-Engineered Mouse Models - http://www.bcm.edu/dtmc/

Category: Microinjection Protocols: Microinjection of DNA Protocols

Microinjection Services – mouse ES cells into blastocysts and DNA into pronucleus of fertilized eggs. - [Read Genetically-Engineered Mouse Models]

Immunosurgery: Isolating the Inner Cell Mass (ICM) of Blastocysts Protocol - http://www.cshprotocols.org/cgi/content/extract/2006/21/pdb.prot4428

Category: Developmental Biology: Embryology Protocols

This protocol describes a method for isolating the ICM of blastocysts by selectively killing the outer trophectoderm (TE). - [Read Immunosurgery: Isolating the Inner Cell Mass (ICM) of Blastocysts Protocol]

Immunosurgery: Isolating the Inner Cell Mass (ICM) of Blastocysts Protocol - http://www.cshprotocols.org/cgi/content/extract/2006/21/pdb.prot4428

Category: Mouse Protocols: Mouse Surgical Procedures Protocols

Protocol describes a method for isolating the ICM of blastocysts by selectively killing the outer trophectoderm (TE). - [Read Immunosurgery: Isolating the Inner Cell Mass (ICM) of Blastocysts Protocol]

Injecting Blastocysts Protocol - http://www.cshprotocols.org/cgi/content/extract/2006/21/pdb.prot4418

Category: Stem Cell Protocols: Stem Cell Injection Protocols

This protocol describes a method for injecting mouse blastocysts with embryonic stem (ES) cells to produce chimeras. - [Read Injecting Blastocysts Protocol]

Microinjection of Mouse ES Cells into Blastocysts - http://www.bcm.edu/dtmc/?pmid=7791

Category: Microinjection Protocols: Microinjection of DNA Protocols

The core defines one injection as a total of forty blastocysts injected on two consecutive days using one or two clones for the same mutation. Please, refer to the Pricing page for information on the cost of one injection. - [Read Microinjection of Mouse ES Cells into Blastocysts]

Placenta Specific Gene Manipulation by Transducing Zona-Free Blastocyst using Lentiviral Vector - http://www.natureprotocols.com/2007/01/24/placenta_specific_gene_manipul.php

Category: Cytogenetics Protocols

Details a placenta specific gene manipulation by transducing blastocysts with lentiviral vectors1. After a removal of zona pellucida which functions as a physical barrier, trophoblast cells lying outermost layer of blastocyst were transduced from outside with high-titer lentiviral vectors. As most placental cells descend from trophoblast cells while fetus originated from inner cell mass, transgene expression can be observed in trophoblast cells from preimplantation stages and in placenta... - [Read Placenta Specific Gene Manipulation by Transducing Zona-Free Blastocyst using Lentiviral Vector]

Preparation of Embryonic Stem (ES) Cells for Injection Protocol - http://www.cshprotocols.org/cgi/content/extract/2006/21/pdb.prot4416

Category: Stem Cell Protocols: Stem Cell Injection Protocols

Injection of ES cells into the cavity of blastocysts is one of the main methods for generating chimeras. This protocol describes the preparation of ES cells for injection. - [Read Preparation of Embryonic Stem (ES) Cells for Injection Protocol]

Transfer of Injected Blastocysts to Pseudo Pregnant Mice Protocol - http://www.bio.com/protocolstools/protocol.jhtml?id=p1118

Category: Mouse Protocols: Mouse Embryology Protocols

Blastocyst transfer is usually performed 24 hours after aggregation, when the morulae have become expanded blastocysts, and on the same day as injection. A little time is given between injection and transfer to allow the blastocysts to re-expand. Includes: The Mouse Recipient; The Transfer. - [Read Transfer of Injected Blastocysts to Pseudo Pregnant Mice Protocol]

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Vector Design Protocol for Transgenic Mice Generation

The protocol gives general considerations for the design of targeting vectors for transgenic mice. The protocol shares tips in the design of knock-out and knock-in vectors and some of their strategies for producing homologously recombined embryonic stem cells.