rat h3 receptor

S 38093 is a brain-penetrant antagonist of the H3 receptor (Ki: 8.8/1.44/1.2 μM, for rat/mouse/human).

MK-0249 is an orally active, selective and potent histamine H3 receptor antagonist (IC50: 1.7 nM) for the study of attention-deficit and hyperactivity disorders.

MK-0249 FA is an orally active, selective and potent histamine H3 inverse agonist for the study of attention deficit, hyperactivity disorder neurodivergent and cognitive disorders in adults.

ABT-288 is a selective and potent H3 antagonist for the treatment of mild to moderate Alzheimer's dementia.

PF-03654764 is an orally active, potent, and selective histamine H3 receptor antagonist with Ki values of 1.2 nM for human H3 and 7.9 nM for rat H3. It is often co-administered with Fexofenadine for the treatment of allergic rhinitis.

OUP-186 is a high affinity and human/rat species-selective antagonist of histamine H3 receptor. OUP-186 suppressed the proliferation of breast cancer cells. The IC50 values at 48 hours for OUP-186 was approximately 50 μM. OUP-186 potently induced cell dea

Enerisant (TS-091) is an orally active, selective and potent histamine H3 receptor antagonist that modulates histamine H3 receptors in mice in a dose-dependent manner.Enerisant promotes pro-cognitive effects and reverses scopolamine-induced cognitive deficits.

JNJ-5207852 is a novel, non-imidazole histamine H3 receptor antagonist, with high affinity at the rat (pKi=8.9) and human (pKi=9.24) H3 receptor.

JNJ-5207852 dihydrochloride is a novel, non-imidazole histamine H3 receptor antagonist, with high affinity at the rat (pKi=8.9) and human (pKi=9.24) H3 receptor.

(R)-(-)-α-Methylhistamine dihydrobromide is a potent, selective, and brain-penetrant agonist of the H3 histamine receptor with high receptor affinity, capable of enhancing memory retention and attenuating cognitive impairment in rat models, making it a valuable pharmacological probe for elucidating central histaminergic signaling and H3 receptor-mediated modulation of learning and memory processes.

ROS 234 dioxalate is a potent antagonist of H3 (pKB of 9.46 for Guinea-pig ileum H3-receptor).

Cipralisant is a selective histamine H3 receptor antagonist in vivo, and an agonist in vitro (pKi: 9.9 for histamine H3 receptor; Ki: 0.47 nM for rat histamine H3 receptor). It has the potential for the treatment of attention-deficit hyperactivity disorde

PF-03654764 exhibits high affinity for the human H3 receptor, but displays significantly lower affinity for the rat H3 receptor, with over 1000-fold selectivity against other human histamine receptor subtypes (H1, H2, and H4). In functional assays measuring cAMP using reporter gene assays (β-lactamase) conducted in HEK293 cells stably expressing the full-length human or rat H3 receptor, PF-03654764 demonstrated potent antagonist properties.

Conessine (Conessinum), a steroidal alkaloid isolated from Holarrhena floribunda, interacts with the histamine H3 receptor and has anti-malarial activity.

Anticanceragent 192 (compound XXI) is a steroid-based histamine H3 receptor antagonist with no affinity for muscarinic and hERG receptors. It shows considerable stability in human and rat liver microsomes. Additionally, in addiction tests conducted on rats, Anticanceragent 192 enhances cognitive levels and reduces addiction severity.

A-940894 is a histamine H4 receptor antagonist with anti-inflammatory properties. A-940894 potently binds to both human and rat histamine H4 receptors and exhibits considerably lower affinity for the human histamine H1, H2, or H3 receptors. A-940894 has g

Cipralisant maleate is a potent, selective Histamine H3 receptor antagonist.

Irdabisant (CEP-26401) (CEP-26401) is a selective, orally active and blood-brain barrier (BBB) penetrant antagonist/inverse agonist of histamine H3 receptor (H3R) (rat H3R Ki= 7.2 nM, human H3R Ki= 2.0 nM). Irdabisant exhibits relatively low inhibitory activity against hERG current (IC50= 13.8 μM). Irdabisant exhibits cognition-enhancing and wake-promoting activities in the rat social recognition model. Irdabisant can be used for research on schizophrenia or cognitive impairment.

JNJ-10181457 (hydrochloride) is a non-imidazole H3 receptor antagonist that is brain-penetrating and selective, increasing NE and acetylcholine concentrations within the rat frontal cortex. Can be used for neurological-related research.

ROS 234 is a highly effective H3 antagonist, demonstrating a strong binding affinity (pK B) of 9.46 for the Guinea-pig ileum H3 receptor and a pKi of 8.90 for the Rat cerebral cortex H3 receptor. Additionally, it exhibits an ex vivo ED50 of 19.12 mg/kg (ip) in the Rat cerebral cortex. It should be noted that ROS 234 demonstrates limited central access, as reported in [1] and [2].

Irdabisant hydrochloride (CEP-26401) is a selective, orally active, and blood-brain barrier penetrating histamine H3 receptor (H3R) inverse agonist, demonstrating high affinity with K*i values of 7.2 nM and 2.0 nM for rat and human H3R, respectively. Exhibiting relatively low hERG current inhibitory activity with an IC*50 of 13.8 μM, this compound has shown to enhance cognition and promote wakefulness in rat social recognition models, suggesting potential applications in schizophrenia or cognitive impairment research.

Samelisant (SUVN-G3031) is a selective and inverse agonist of H3 receptor with Kis of 8.7 nM and 9.8 nM for human and rat. Samelisant has anticataplectic effects and can be used in studies about narcolepsy.

GSK189254A (GSK189254) is a potent and specific histamine H3 receptor antagonist (pKi values: 9.59-9.90 and 8.51-9.17 for human and rat H3).