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3 3 5 triiodo l thyronine sodium salt t3

Manufactured by Merck Group
Sourced in United Kingdom, France

3,3′,5-Triiodo-l-thyronine sodium salt (T3) is a synthetic form of the thyroid hormone triiodothyronine. It is commonly used in research and laboratory settings as a reference standard or analytical control.

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7 protocols using 3 3 5 triiodo l thyronine sodium salt t3

1

Differentiation of Adipocytes with Hormones

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High glucose (25 mM) Dulbecco's modified eagle's medium (DMEM; D5796), cell culture grade water, N6,2′-O-Dibutyryladenosine 3′,5′-cyclic monophosphate sodium salt (dbcAMP), dexamethasone (Dex) and 3,3′,5-Triiodo-l-thyronine sodium salt (T3) were all purchased from Sigma-Aldrich (Poole, UK). Human Recombinant Des(1–3) IGF-I was purchased from SourceBioscience and other cell culture reagents were purchased from Fisher Scientific (Loughborough, UK). Compounds were prepared as follows: dbcAMP was dissolved in cell culture grade water at 100 mM, Des(1–3) IGF-I in 0.1 M acetic acid at 100 μg/ml, T3 in 0.1 M sodium hydroxide at 100 nM and Dex in absolute ethanol at 10 mM. Compounds were filter-sterilised through a 0.2 μm filter and aliquots stored at −20 °C.
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2

Myelin Differentiation Induction in Stem Cells

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Purified and expanded SCs were treated with 4 mM N6,2′-O-Dibutyryladenosine3′,5′-cyclic monophosphate sodium salt (dB-cAMP) for 48 h to induce up regulation of myelin differentiation markers after which they were seeded and then cultured overnight in starvation medium.**** DMEM/F12 (Gibco®) with SATO [(100 μg/mL bovine serum albumin (BSA; Sigma®), 100 μg/mL transferrin powder (Sigma®), 16 μg/mL Putrescine; 60 ng/mL progesterone (Sigma®) and 40 ng/mL sodium selenite (Sigma®) in Neurobasal medium (Gibco®)], 1X B27 supplement; 0.101 mg/mL of 3.3′,5-Triiodo-L-thyronine sodium salt (T3, Sigma®), 10 mM Insulin, 1% L-glutamine and 1% A/A) supplemented with 0.5% FBS.
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3

Synthesis and Characterization of Polymeric Nanoparticles

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NHS-PEG-b-PLA copolymers and Mal-PEG-b-PLA copolymers with a molecular weight of 6000 Da were purchased from Nanosoft Polymers. DiI was purchased from Biotium. Ham’s F10 medium and bovine serum albumin (BSA) were obtained from Gibco and GenDEPOT, respectively. Dulbecco’s modified Eagle’s medium (DMEM), fetal bovine serum (FBS), and antibiotic-antimycotics were purchased from Biowest. The DNA Mini Kit and RNeasy Mini Kit were purchased from QIAGEN. TOPscript™ complementary DNA (cDNA) Synthesis Kit and qPCR SyGreen Mix were purchased from Enzynomics and PCR BIOSYSTEMS, respectively. SnakeSkin™ Dialysis Tubing (10,000 MWCO) was purchased from Thermo and pluriStrainer® 500 µm was purchased from pluriSelect. 3-(4,5-Dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) cell proliferation assay kit was obtained from iNtRON Biotechnology. Hank’s balanced salt solution (HBSS), dimethyl sulfoxide (DMSO), nicotinamide, D-glucose, L-glutamine, calcium chloride dihydrate, isobutylmethylxanthine, ciprofloxacin, N-(2-Hydroxyethyl) piperazine-N′-(2-ethanesulfonic acid) (HEPES), sodium bicarbonate, collagenase type V, acridine orange (AO), propidium iodide (PI), and 3,3',5-triiodo-L-thyronine sodium salt (T3) were purchased from Sigma Aldrich. Human/Canine/Porcine Insulin Quantikine ELISA Kit purchased from R&D Systems. All other chemicals and reagents were of analytical grade.
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4

Polymer-based Drug Delivery System Synthesis

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Poly(l-lactide) (PLLA) (RESOMER® L 206 S, inherent viscosity = 0.8–1.2 dL/g), Poly(d,l-lactide-co-glycolide) 50:50 (PLGA 50:50) (RESOMER® RG 504 H, inherent viscosity = 0.45–0.60 dL/g), PLGA 75:25 (RESOMER® RG 756 S, inherent viscosity = 0.71–1.0 dL/g) and PLGA 85:15 (RESOMER® RG 858 S, inherent viscosity = 1.3–1.7 dL/g) were purchased from Evonik Industries. N,N-Dimethylformamide (DMF), dichloromethane (DCM), and methanol (MeOH) were purchased from Sigma Aldrich. 3,3’,5-Triiodo-l-thyronine sodium salt (T3) and Ibuprofen (Ibu) were purchased from Sigma Aldrich.
For HPLC analysis, acetonitrile was of HPLC grade and was purchased from Sigma Aldrich. For LC-MS/MS analysis, methanol, acetonitrile, and formic acid were of LC-MS grade and were purchased from Sigma Aldrich (St. Louis, MO, USA). Ultrapure water was produced in-house with a Human Power I system (Seoul, Korea). Oasis® HLB 200 mg SPE cartridges were purchased from Waters (Milford, MA, USA).
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5

Oli-neu Cells Exposure to BPA

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Oli-neu cells were maintained in DMEM, high glucose GlutaMAXTM Supplement, pyruvate (Gibco reference 31966047, Thermo Fisher Scientific, Courtaboeuf, France) supplemented with 1% N2 (Gibco reference 17502001, Thermo Fisher Scientific, Courtaboeuf, France), 1% heat inactivated horse serum (Gibco reference 26050070, Thermo Fisher Scientific, Courtaboeuf, France), 1% penicillin-streptomycin (10,000 U/mL) (Gibco reference 15140122, Thermo Fisher Scientific, Courtaboeuf, France), 10 µg/mL insulin from bovine pancreas (Sigma I5500, Saint Quentin Fallavier, France), 0.4 µg/mL L-Thyroxine sodium salt pentahydrate (T4) (Sigma T0397, Saint Quentin Fallavier, France,), and 0.34 µg/mL 3,3′,5-Triiodo-L-thyronine sodium salt (T3) (Sigma T6397 Saint Quentin Fallavier, France).
Flasks and wells were coated with poly-L-lysine (Sigma P4707, Saint Quentin Fallavier, France) diluted at 20 µg/mL. Cells were exposed to BPA (Sigma 239658, Saint Quentin Fallavier, France) during 72 h of proliferation and an additional 72 h of differentiation induced by 1 μM PD174265 in DMSO (Sigma 513040-M, Saint Quentin Fallavier, France). The medium was changed after 48 h of differentiation. Oli-neu cells were exposed to 0.01, 0.1, 1, 10, 20, 50, and 100 µM BPA in DMSO. The final concentration of DMSO was 0.2%.
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6

Receptor Activation Pathway Modulation

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17β-estradiol (E2, #E8875), LG100268 (#SML0279), HX531 (#SML2170), SR12813 (#S4194), 1α,25-Dihydroxyvitamin D3 (Vitamin D3, #D1530), Citco (#C6240), 3,3’,5-Triiodo-L-thyronine sodium salt (T3, #T6397), GW4064 (#G5172), GW3965 hydrochloride (#G6295), retinoic acid (#R2625), WY14643 (#C7081) were obtained from Sigma-Aldrich, and ICI 182,780 (Fulvestrant, #1047), GW0742 (#2229) was purchased from Tocris. For knockdown experiments, SMARTpool siRNAs against FOXA1 (#M-010319), RXRA (#L-003443) and RXRB (#L-003444) were obtained from Horizon Discovery. All siRNA sequences are indicated below:
FOXA1 siRNAs 1#: CCUCGGAGCAGCAGCAUAA; 2#: GCGCUGAGCCCGAGCGGCA; 3#: CGGGAAGACCGGCCAGCUA; 4#: GUGUAGACAUCCUCCGUAU.
RXRA siRNAs 1#: GCGCCAUCGUCCUCUUUAA; 2#: GCAAGGACCGGAACGAGAA; 3#: AGACCUACGUGGAGGCAAA; 4#: UCAAAUGCCUGGAACAUCU.
RXRB siRNAs 1#: GGGCAAUCAUUCUGUUUAA; 2#: GCAAACGGCUAUGUGCAAU; 3#: CGAAGAGGAUCCCACACUU; 4#: CCGCAAAGACCUUACAUAC.
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7

Chemicals and Reagents for Cell Assays

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D(+)-galactose and D(+)-raffinose were purchased from ACROS Organics (Geel, Belgium). Yeast nitrogen base without amino acids and Bacto peptone were purchased from BD Biosciences (Franklin lakes, NJ). D(+)-glucose, Bacto yeast extract, dimethylsulfoxyde (vehicle control), 3,3′5-triiodo-L-thyronine sodium salt (T3), Nutlin-3, Nutlin-3a, FK-506 monohydrate, and the different amino acids complements were purchased from Sigma (St. Louis, MO).
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