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MB Sample ID: SA236887

Local Sample ID:Glucose_EDL_1D_DecON&OFF-4
Subject ID:SU002445
Subject Type:Mammal
Subject Species:Mus musculus
Taxonomy ID:10090
Genotype Strain:C57BL/6J
Age Or Age Range:16±3 weeks
Animal Animal Supplier:Jackson Labs (Stock # 000664)
Animal Housing:Housed in a temperature of 22 oC
Animal Light Cycle:12-hour light/12-hour dark
Animal Feed:Ad libitum chow diet food
Animal Water:free access to food and water (3-5 animals per cage).

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Treatment:

Treatment ID:TR002457
Treatment Summary:Mice were anesthetized (using a combination of xylazine (80mg/kg) and ketamine (10mg/kg)) to allow removal of soleus and extensor digitorum longus (EDL) muscles. Upon removal, muscles were incubated at 22 oC in Ringer/MEM solution gas equilibrated with 95/5% O2/CO2 with appropriate 13C labeled substrates in a perfusion chamber routinely used for isolated muscle mechanics for 30 minutes. These included the following: 5.5 mM [U-13C6] glucose; 5.5 mM [U-13C3] pyruvate, or 16.5 mM [13C2] labeled Na-acetate.  Following incubation, muscles were quickly removed, blotted, and then rapidly frozen in liquid nitrogen for subsequent NMR analysis. N=4 muscles were pooled into a single biological replicate of 30-50 mg tissue to afford detectable levels of substrates in the NMR analysis.
Animal Vet Treatments:none
Animal Anesthesia:a combination of xylazine (80mg/kg) and ketamine (10mg/kg))
Animal Fasting:non-fasted
Animal Endp Euthanasia:Euthanasia was carried out by thoracotomy followed by cervical dislocation.
Animal Endp Tissue Coll List:Skeletal muscle (soleus and EDL)
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