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Dmem 12320

Manufactured by Thermo Fisher Scientific

DMEM-12320 is a cell culture medium manufactured by Thermo Fisher Scientific. It is a formulation of Dulbecco's Modified Eagle's Medium, which is commonly used to support the growth and maintenance of a variety of cell types in vitro.

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3 protocols using dmem 12320

1

Simulated Ischemia and Reperfusion Assay

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For simulated ischemia, growth or preconditioning media was replaced with saline to mimic nutrient/energy deprivation and placed in an airtight chamber flushed with nitrogen gas at 37°C for 4hrs. Saline supernatant was removed after simulated ischemia for LDH measurement. Reperfusion was simulated by adding back fresh complete DMEM-12320 (Invitrogen) containing 0.5 mg/mL MTT under normoxia at 37°C for an additional 3–4hrs.
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2

Isolation and Culturing of MEFs

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Mouse embryonic fibroblasts (MEFs) were isolated by female wt and Crh
−/−
mice, when embryos were
13.5–14.5 days old as previously described64 (link).
Isolated fibroblasts were cultured in Dulbecco’s modified
Eagle’s medium (DMEM) with 10% fetal bovine serum (FBS), 1%
penicillin/streptomycin and 1% L-glutamine. For the aminoacid deprivation
experiments, cells were incubated for 4 h with a special formulation
of Invitrogen DMEM-12320. RAW264.7 cells were maintained in
Dulbecco’s modified Eagle’s medium containing 10% FBS.
For LPS induced autophagy experiments, RAW264.7 cells were treated with LPS
(1 μg/ml, L2630, Sigma Aldrich), Crh
(10−7M, C3042, Sigma Aldrich) or both.
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3

Isolation and Culture of Dermal Fibroblasts and Hepatocytes

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Mouse dermal fibroblasts were isolated from tail skin by mincing into fine slices followed by overnight collagenase treatment (Invitrogen Collagenase II). Cells were cultured in DMEM with 20% FBS at 3% oxygen tension. Primary hepatocytes were isolated via portal vein collagenase treatment (Liberase, Roche) followed by Percoll gradient centrifugation and cultured in William’s E media with 5% FBS. Amino acid free DMEM was a special formulation of Invitrogen DMEM-12320. For the amino acid add-back, either MEM amino acid solution (GIBCO) was used at 1× concentration, or individual amino acids were added back to AA-free medium up to their original concentrations in DMEM, and supplemented with 10% dialyzed FBS (Invitrogen). Rapamycin was purchased from Calbiochem.
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