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5 protocols using cl316 243 disodium salt

1

Adrenergic Receptor Agonists: In Vivo, In Vitro, and Ex Vivo Applications

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The pan β-adrenergic agonist, isoproterenol hydrochloride
(ISO) was from Sigma; the β3-adrenoreceptor agonists, CL
316,243 disodium salt (CL) was obtained from Tocris Bioscience (UK)
and mirabegron (Mira) was from Cayman Chemical. For CL
administration in vivo, mice were acclimated to
thermoneutrality for 3 days, injected with 1 mg/kg CL, and euthanized for tissue
collection 60 minutes later. For β-adrenergic stimulation in
vitro
, 3T3-L1 cells were treated with ISO (10 μM) for 40
minutes at 370C. For β-adrenergic stimulation ex
vivo
, human fat samples (approx. 0.5cm in size) were treated with
ISO (10 μM) for 40 minutes at 370C. For β-adrenergic
stimulation in vivo, human subjects were administered Mira for
10 weeks (50 mg/day), with abdominal adipose biopsies before and after
treatment, as described previously (Finlin
et al., 2018
).
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2

Modulation of B cell activation by adrenergic signals

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For in vitro stimulation with ADR ligands, splenic B cells were seeded at 2.5 × 105 cells per well in a 96-well plate. B cells were either incubated with the pan ß-ADR antagonist nadolol [5 μM, Sigma-Aldrich] or the indicated concentrations of α-and ß-ADR antagonists 30 min prior to activation followed by treatment with 5 μg/mL anti-IgM and 1.25 μg/mL CpG or were first activated with anti-IgM/CpG for 4 h followed by incubation with indicated concentrations of α- or ß-ADR agonists for 24 h. (Agonists: ADRA1: (R)-(-)-Phenylephrine hydrochloride (Tocris, Bristol, UK, catalog number: 2838), ADRA2: Dexmedetomidine hydrochloride (Tocris, catalog number: 2749), ADRB2: L-(-)—NE (+)-biartrate salt monohydrate (Sigma-Aldrich, catalog number: A9512), ADRB3: CL316243 disodium salt (Tocris, catalog number: 1499), ADRB: (-)-Isoproterenol hydrochloride (Sigma-Aldrich, catalog number: I6504). Antagonists: ADRA2: RS79948 hydrochloride (Tocris, catalog number: 0987), ADRB2: ICI 118,551 hydrochloride (Tocris, catalog number: 0821).
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3

CL-316,243 Disodium Salt Treatment

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CL-316,243 disodium salt (1499, Tocris Biosciences) was administered systemically by daily intraperitoneal injection at a dose of 1 mg kg−1 in PBS. After 21 days of treatment, the mice were euthanized for further analysis.
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4

Phosphatase Inhibitor Library Evaluation

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The Phosphotase Inhibitor Library was obtained from the National Compound Resource Center (NCRC, Shanghai). Other reagents were obtained as indicated: BML-260 (Life Chemicals, F0207-0150), ISO (Sigma, I6379), CL316243 disodium salt (Tocris, 1499), GW9662 (Selleck, S2915), T0070907(Selleck, S2871), GSK3787(Selleck, S8025), insulin (Sigma, I3536), T3 (Sigma, T2877), indomethacin (Sigma, I7378), dexamethasone (Sigma, D4902), isobutylmethylxanthine (Sigma, I5879), and rosiglitazone (Santa Cruz, sc202795).
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5

Evaluating Thermogenic Regulators in Adipocytes

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CL316,243 disodium salt (CL), a selective β3-adrenoceptor agonist, and SR59230A hydrochloride (SR), a selective β3 adrenoceptor antagonist, were purchased from TOCRIS. Rapamycin was obtained from AdipoGen Life Sciences (Cat#: AG-CN2-0025, San Diego, CA). Tween 80 (Cat#: S6702) and PEG300 (Cat#: S6704) were both from SELLECKCHEM (Radnor, PA). DMSO was from Sigma Aldrich (Cat#: D8418, Saint Louis, MO). The antibody for β-actin was from ABclonal (Cat#: AC026, Woburn, MA) and antibody for PGC1α was from NOVUS Biologicals (Cat#: NBP1-04676, Centennial, CO). The following antibodies were from Cell Signaling Biotechnology (Danvers, MA): p-S6 (Ser 235/236) (Cat#: 4858S), S6 (Cat#: 2217S), p-S6K1 (Thr389) (Cat#: 9205S), p-Akt (Thr 308) (Cat#: 4056S), Akt (Cat#: 9272S), p-AMPKα (Thr 172) (Cat#: 2535T), AMPKα (Cat#: 5832T), UCP1 (Cat#: 14670S), and p-eIF2α (Ser 51) (Cat#: 3398T).
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