Citations
1 publicationsPublications from researchers using this productDescription
LP-211 is a selective, blood-brain barrier-permeable 5-HT7 receptor agonist (Ki=0.58nM) with higher selectivity over the 5-HT1A receptor (Ki=188nM) and the D2 receptor (Ki=142nM)[1-2]. LP-211 can modulate histone H3 acetylation levels and influence the association of the MeCP2 co-repressor protein by activating the 5-HT7 receptor. LP-211 can be used in research related to neurodevelopmental disorders such as Rett syndrome and Fragile X syndrome, as well as neuropathic pain and memory impairment[3-4].
In vitro, LP-211 (10µM) stimulated THP-1-derived macrophages for 48 hours. LP-211 significantly reduced the phagocytic and migratory capacity of pro-inflammatory M1-like macrophages, while also altering the cytokine and chemokine secretion profiles of all macrophage types (M0, M1, M2a, M2c)[5]. LP-211 (1µM) was incubated with mitochondria purified from human SH-SY5Y neuroblastoma cells for 3 minutes. LP-211 did not significantly affect the activity of mitochondrial respiratory chain cytochrome c oxidas[6].
In vivo, a single intraperitoneal injection of LP-211 (3mg/kg) was administered to male Fmr1-KO (B6.129P2-Fmr1tm1Cgr/J) mice, 30 minutes prior to behavioral testing. LP-211 significantly reduced the duration of their self-grooming behavior[7]. Single intraperitoneal injection of LP-211 (10mg/kg) was administered to adult male C57BL/6 mice 7-10 days after chronic constriction injury (CCI) surgery. The effects began 30 minutes post-injection and peaked between 90-150 minutes. LP-211 significantly increased the mechanical withdrawal threshold of the injured hind paw and completely blocked the place preference shift induced by noxious stimulation in the place escape/avoidance paradigm[8].
References:
[1] Leopoldo M, Lacivita E, De Giorgio P, et al. Structural modifications of N-(1,2,3,4-tetrahydronaphthalen-1-yl)-4-aryl-1-piperazinehexanamides: influence on lipophilicity and 5-HT7 receptor activity. Part III. J Med Chem. 2008 Sep 25;51(18):5813-22.
[2] Beaudet G, Paizanis E, Zoratto F, et al. LP-211, a selective 5-HT7 receptor agonist, increases novelty-preference and promotes risk-prone behavior in rats. Synapse. 2017 Dec;71(12).
[3] Norouzi-Javidan A, Javanbakht J, Barati F, et al. Effect of 5-HT7 receptor agonist, LP-211, on micturition following spinal cord injury in male rats. Am J Transl Res. 2016 Jun 15;8(6):2525-33.
[4] Rahdar M, Davoudi S, Dehghan S, et al. Reversal of electrophysiological and behavioral deficits mediated by 5-HT7 receptor upregulation following LP-211 treatment in an autistic-like rat model induced by prenatal valproic acid exposure. Neuropharmacology. 2024 Oct 1;257:110057.
[5] Bahr FS, Müller FE, Kasten M, et al. Serotonin receptor 5-HT7 modulates inflammatory-associated functions of macrophages. Cell Mol Life Sci. 2025 Jan 21;82(1):51.
[6] Tempio A, Niso M, Laera L, et al. Mitochondrial Membranes of Human SH-SY5Y Neuroblastoma Cells Express Serotonin 5-HT7 Receptor. Int J Mol Sci. 2020 Dec 17;21(24):9629.
[7] Sharghi S, Flunkert S, Daurer M, et al. Evaluating the effect of R-Baclofen and LP-211 on autistic behavior of the BTBR and Fmr1-KO mouse models. Front Neurosci. 2023 Mar 30;17:1087788.
[8] Santello M, Bisco A, Nevian NE, et al. The brain-penetrant 5-HT7 receptor agonist LP-211 reduces the sensory and affective components of neuropathic pain. Neurobiol Dis. 2017 Oct;106:214-221.
Protocol
| Cell experiment [1]: | |
Cell lines | THP-1-derived macrophages and human CD14+ cell-derived macrophages |
Preparation Method | THP-1 monocytes were differentiated into macrophages (M0, M1-like, M2a-like, M2c-like) using PMA and specific polarizing agents. Human CD14+ cells from PBMCs were differentiated into M1-like and M2-like macrophages using GM-CSF and M-CSF, respectively. Macrophages were stimulated with LP-211 (10μM) starting on day 3 or day 5 after seeding. |
Reaction Conditions | 10μM; 48 hours. |
Applications | LP-211 significantly reduced the phagocytic and migratory ability of pro-inflammatory M1-like macrophages. LP-211 treatment led to changes in the secretory properties (cytokine and chemokine profiles) of all macrophage types (M0, M1, M2a, M2c), with the highest effects observed for M0- and M2c-like macrophages. The importance of 5-HT7R for regulating phagocytosis was confirmed in human primary CD14+ cell-derived M2-like macrophages. |
| Animal experiment [2]: | |
Animal models | Male BTBR T+ Itpr3tf/J mice and male B6.129P2-Fmr1tm1Cgr/J (Fmr1-KO) mice |
Preparation Method | Animals received an acute intraperitoneal injection of LP-211 30 minutes prior to a series of behavioral tests performed starting at 5 weeks of age. Tests included the open field test, elevated plus maze (EPM), and self-grooming test. |
Dosage form | 3mg/kg; i.p.; single injection per test session. |
Applications | Acute LP-211 administration did not affect the behavioral abnormalities (anxiety, repetitive behavior) observed in BTBR mice. In Fmr1-KO mice, acute LP-211 treatment significantly improved repetitive behavior by reducing self-grooming duration and showed a trend to change anxiety levels, as evidenced by a decreased frequency of entries into the open arms of the EPM. |
References: | |
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Chemical Properties
Use stock solutions within 6 months when stored at -80°C or within 1 month when stored at -20°C.
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