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Ro 25 6981

Manufactured by Hello Bio
Sourced in United States

Ro 25-6981 is a selective, potent, and non-competitive NMDA receptor antagonist. It acts by binding to the NR2B subunit of the NMDA receptor.

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4 protocols using ro 25 6981

1

Pharmacological Modulation of Neuronal Activity

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D-(-)-2-Amino-5-phosphonopentanoic acid (AP-5), Nomega-Nitro-L-arginine methyl ester hydrochloride (L-NAME), (S)-1-(2-Amino-2-carboxyethyl)-3-(2 -carboxy-thiophene-3-yl-methyl)-5-methylpyrimidine-2,4-dione (UBP 310), picrotoxin, and Ro 25-6981 were purchased from HelloBio (Princeton, NJ, USA). Nimodipine, ODQ, BAPTA, Rp-8-pCPT-cGMP, and picrotoxin were bought from Sigma-Aldrich (St Louis, MO, USA). Drugs were prepared as stock solutions for frozen aliquots at −20 °C. All drugs were diluted from the stock solution to the final concentration in the ACSF before being applied to brain slices.
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2

Pharmacological Modulation of Olfactory Processing

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For behavior, Ro25–6981 (Ro25; 5mg/kg, saline) and methyl-piperidino-pyrazole (MPP; 0.6 mg/kg, 2% DMSO/saline) were injected intraperitoneally 30 and 60 min before exposure to odors, respectively. For electrophysiology, compounds were introduced to the slice bath via a syringe pump (6ml/hr) into the aCSF infusion line for final bath concentrations: MK801 (30μM; Tocris, 0924), APV (100μM; Hello Bio, HB0225), DNQX (20μM; Hello Bio, HB0261), picrotoxin (30μM; Sigma-Aldrich, P1675) in water. MPP (3μM; Tocris, 1991) and Ro25–6981 (3μM; Hello Bio, HB0554) were dissolved with DMSO (≤0.01%).
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3

Pharmacological Agents in Neuroscience

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The chemical and drugs used in this study were as follows: AP-5, CNQX and Ro 25-6981 purchased from HelloBio (Princeton, NJ, USA), PPDA, UBP145 and PEAQX were purchased from Tocris Cookson (Bristol, UK), PTX was bought from Sigma-Aldrich (St Louis, MO, USA). Drugs were prepared as stock solutions for frozen aliquots at -20℃. All drugs were diluted from the stock solution to the final desired concentration in the ACSF before being applied to the perfusion solution.
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4

Methamphetamine Reinstatement and NMDAR Antagonist

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(+) Methamphetamine HCL (METH; Sigma-Aldrich, St. Louis, MO) was dissolved in 0.9% saline and self-administered i.v. at a unit dose of 0.1 mg/kg/infusion (calculated as the weight of the salt). Thirty min prior to the reinstatement session, rats were injected with METH (1 mg/kg i.p.). Ro 25-6981, an antagonist selective for the GluN2B subunit of the NMDAR, was obtained from Hello Bio, Inc (Princeton, NJ) and dissolved in 1 part dimethyl sulfoxide (DMSO) and 2 parts 0.9% saline. Ro 25-6981 or vehicle solution was injected i.p. immediately after each of the four short extinction sessions at a dose of 6 mg/kg (1 ml/kg volume).
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