1. GPCR/G Protein
  2. mGluR


Cat. No.: HY-100407 Purity: 98.02%
Data Sheet SDS Handling Instructions

JNJ16259685 is a selective antagonist of mGlu1 receptor, and inhibits the synaptic activation of mGlu1 in a concentration-dependent manner with IC50 of 19 nM.

For research use only. We do not sell to patients.
JNJ16259685 Chemical Structure

JNJ16259685 Chemical Structure

CAS No. : 409345-29-5

Size Price Stock Quantity
10 mM * 1 mL in DMSO $99 In-stock
5 mg $90 In-stock
10 mg $140 In-stock
25 mg $300 In-stock
50 mg $460 In-stock
100 mg   Get quote  
200 mg   Get quote  

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  • Biological Activity

  • Protocol

  • Technical Information

  • Purity & Documentation

  • References


JNJ16259685 is a selective antagonist of mGlu1 receptor, and inhibits the synaptic activation of mGlu1 in a concentration-dependent manner with IC50 of 19 nM.

IC50 & Target

IC50: 19 nM (mGlu1)

In Vitro

JNJ16259685 potently and completely inhibits the glutamate (30 μM)-induced increase in intracellular Ca2+ concentrations at the rat mGlu1a receptor with an IC50 value of 3.24±1.00 nM. IC50 values for CPCCOEt and BAY 36-7620 are 17.8±10.3 μM and 161±38 nM, respectively. The potency of JNJ16259685 in blocking glutamate (30 μM)-induced Ca2+ mobilization at the human mGlu1a receptor is 1.21±0.53 nM (IC50 n=3). JNJ16259685 inhibits the glutamate (3 μM)-induced rise in intracellular Ca2+ concentrations at the rat mGlu5a receptor with an IC50 value of 1.31±0.39 μM (n=4). JNJ16259685 blocks glutamate (3 μM)-induced Ca2+ mobilization at the human mGlu5 receptor with an IC50 of 28.3±11.7 μM (n=4). JNJ16259685 does not exhibit agonist activity at any of the group I mGlu receptors[3].

In Vivo

JNJ16259685 (0.125, 0.25, 0.5, 1, 2, 4 and 8 mg/kg, i.p) significantly reduces the time spent in digging behaviours (0.25-8 mg/kg), threat (all doses) and attack, in comparison with vehicle group[1]. JNJ16259685 (30 mg/kg) produces very minimal effects on locomotor activity. JNJ16259685 dramatically reduces rearing behavior, exploration of a novel environment and lever pressing for a food reward (rat: 0.3 mg/kg; mouse: 1 mg/kg). Subcutaneously administered JNJ16259685 (30 mg/kg) has no effect on reflexive startle responses to loud auditory stimuli or foot shock in mice[2]. JNJ16259685 exhibits high potencies in occupying central mGlu1 receptors in the rat cerebellum and thalamus (ED50=0.040 and 0.014 mg/kg, respectively)[3].

Preparing Stock Solutions
Concentration Volume (DMSO) Mass 1 mg 5 mg 10 mg
1 mM 3.0731 mL 15.3657 mL 30.7314 mL
5 mM 0.6146 mL 3.0731 mL 6.1463 mL
10 mM 0.3073 mL 1.5366 mL 3.0731 mL
Animal Administration

JNJ16259685 is diluted in saline (90%) plus DMSO (10%)[1].

Nine groups of mice are used. Animals are randomLy allocated to two control groups (n=15 each) receiving only saline or saline (90%) plus DMSO (10%), and seven experimental groups (N=14-16 each) receiving JNJ16259685 injections. JNJ16259685 is diluted in saline (90%) plus DMSO (10%) to provide appropriate doses for injections and administered in seven doses: 0.125, 0.25, 0.5, 1, 2, 4 and 8 mg/kg. The doses are chosen on the basis of recent behavioural studies using this compound. Drug or vehicle is injected intraperitoneally in a volume of 10 mL/kg.
This procedure is used to measure overt behavioral, neurological and autonomic responses to the drug challenge. Briefly, rats are randomLy separated into four groups (n=6), each of which receives a different dose (0, 3, 10, or 30 mg/kg) of JNJ16259685. An expert observer, blind to the drug treatment of the animals, assesses and scores the animals at 30, 60, 120, and 240 min post-injection. The animals are assessed for passivity, body elevation, limb position, limb tone, body tone, gait, and pupil size. For each of these behaviors, a score of 0 is assigned to animals that appeared “normal”, whereas scores of±1,±2, or±3 indicated mild, moderate, or severe increases (+) or decreases (−) from normality. Individual animals that receive a score of±2, or greater, are considered to be significantly effected on the measure. A dose is considered to have a significant effect if 3 or more of the animals receive a score of greater than±2. MCE has not independently confirmed the accuracy of these methods. They are for reference only.

Molecular Weight






Powder -20°C 3 years
  4°C 2 years
In solvent -80°C 6 months
  -20°C 1 month

Room temperature in continental US; may vary elsewhere

Solvent & Solubility

10 mM in DMSO

* "<1 mg/mL" means slightly soluble or insoluble. "≥" means soluble, but saturation unknown.

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