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Transgenic and Knock-Out MousePolicies & Procedures

Transgenic and Knock-Out Mouse Core service charges are as follows. See below for transgenic and knock-out mouse production procedures.

Transgenic and Knock-Out Mouse Core Service Charges (Effective July 2012)
Service	Pricing
Pronuclear injection	$6,320
ES Transfection	$5,820
Blast Injection	$6,823
F0 Pronuclear injection	$3,160
Single cell line Binj	$3,412
Sperm freeze	$575
IVF	$1,200
Cryo pilot	$1,500
ES with HAT selection	$1,164
Embryo freeze	$700
Sperm cryo + verifi	$1,500
Thaw and transfer	$600
Cryo maintance fee	$50/line/yr

Core policy changes

1. Transfection charge is per transfection, a second transfection is a second charge
2. Alternative strains can be used for pronuclear or blast injections, but user must pay all additional mouse costs, including per diems while waiting for results
3. If no founders are found from the first round of pronuclear injections, user checks the DNA prep, then reinjection is done at no charge. If no founders are found from second round of injections, user is charged for any additional injections

Procedures

1. For transgenic mouse production, investigators provide the DNA construct to the core. The core then:
   • harvests single cell embryos,
   • microinjects the embryos with the DNA construct,
   • transplants the microinjected embryos into pseudo-pregnant females,
   • performs Cesarean sections as required, and
   • provides the resulting pups at weaning age to the investigator for analyses.
2. For knock-out mouse production, the core provides three types of services:
   • For ES cell transfection, the investigator provides the core with a targeting vector. The core then:
     • transfects ES cells with the targeting vector,
     • selects the resulting transfected clones,
     • generates frozen stocks of the clones, and
     • provides the investigator with DNA samples from each of the clones for molecular analyses.
   • For blastocysts injections, the investigator provides (or identifies) the desired ES clone. The core then:
     • recovers and amplifies the ES cell line,
     • provides the investigator with cells for additional molecular and cell biologic analyses,
     • generates back-up frozen stocks,
     • injects the cells into blastocysts,
     • transplants the injected blastocysts into pseudo-pregnant females,
     • performs Cesarean sections as required,
     • culls the resulting chimeric animals, and
     • either provides the chimeric pups at weaning age to the investigator for analyses or uses the pups for rapid germ-line breeding.
   • For rapid germ line breeding, core personnel:
     • rotates female mice with the chimeric males,
     • replaces plugged females until a total of 10 pregnancies are culled,
     • screens the resulting pups for germ line transmission of the ES cell genome (determined via coat color),
     • provides tail biopsies to the investigator for molecular confirmation of germ line transmission, and
     • provides the resulting heterozygous animals at weaning age to the investigator for analysis.