AMPK Methods and Protocols

(Rick Simeone) #1
M-CrenegSirt1flox/flox) mice. All animals used in experiments
are aged from 6 to 12 weeks.
2.L. infantum(MHOM/MA/67/ITMAP-263) promastigotes.

2.2 Culture Reagents 1. Macrophage medium: DMEM, 4.5 g/L glucose, 20 mM
HEPES, 10% (v/v) heat-inactivated fetal bovine serum (FBS),
2mML-glutamine, 100 U/ml penicillin, 100 mg/ml
streptomycin.
2.Leishmaniamedium: RPMI 1640, 20 mM HEPES, 10% (v/v)
heat-inactivated FBS, 2 mML-glutamine, 100 U/ml penicillin,
100 mg/ml streptomycin.



  1. Macrophage growth factor: 100μg/ml M-CSF.

  2. XF medium: unbuffered DMEM, 4.5 g/L glucose, 2% (v/v)
    FBS, 2 mML-glutamine, 100 U/ml penicillin, 100 mg/ml
    streptomycin.

  3. Carboxyfluorescein succinimidyl ester (CFSE, FITC) and
    eFluor670 (APC): 5 mM stock solution.

  4. AICAR (5-Aminoimidazole-4-carboxamide ribonucleotide).

  5. Compound C (also known as Dorsomorphin).

  6. SRT1720.


2.3 FACS Staining 1. DMEM-EDTA: DMEM, 50 mM EDTA.



  1. Phosphate buffer saline (PBS): 145 mM NaCl, 2.7 mM KCl,
    1.5 mM KH 2 PO 4 , 8 mM Na 2 HPO 4 ·2H 2 O, pH 7.

  2. PBS-FBS: PBS, 2% (v/v) FBS.

  3. Probes: 14.6 mM 2-[N-(7-nitrobenz-2-oxa-1,3-diazol-4-yl)
    amino]-2-deoxy-D-glucose (2-NBDG) and 1 mg/ml
    7-Aminoactinomycin D (7-AAD).


2.4 Antibodies 1. FACS: anti-mouse monoclonal antibodies—anti-CD11b-PE
(M1/70), anti-Ly6C-PerCP/Cy5.5 (HK1.4), anti-Ly6G-
Pacific Blue (1A8), and anti-F4/80-PerCP-Cy5.5 (BM8).



  1. Cell magnetic separation: CD3εand CD19 microbeads.

  2. PBS-EDTA buffer: PBS, 0.5% (w/v) BSA (bovine serum albu-
    min), 2 mM EDTA, pH 7.2.

  3. Immunoblot: total AMPKα(23A3), AMPKαphosphorylated
    at Thr172, total SIRT1 (H-300), total PGC1β(E-9),β-actin
    (C4), total PGC1α (4C1.3), and horseradish peroxidase-
    coupled secondary reagents.


2.5 Quantitative PCR
Analysis



  1. TRIzol reagent.

  2. Chloroform.

  3. Isopropanol.


AMPK in Host-Pathogen Interactions 553
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