NPS-2143 |
Catalog No.GC16943 |
NPS-2143 is a calcification drug that acts as an antagonist of the calcium-sensing receptor (CaSR) and consequently stimulates the release of parathyroid hormone.
Products are for research use only. Not for human use. We do not sell to patients.
Cas No.: 284035-33-2
Sample solution is provided at 25 µL, 10mM.
NPS-2143 is a calcification drug that acts as an antagonist of the calcium-sensing receptor (CaSR) and consequently stimulates the release of parathyroid hormone[1].
Treating Cortical nontumorigenic adult human astrocytes(NAHAs) with fAβ25–35 alone significantly increased at 48 h the release of cytokines and chemokines into the conditioned media. However, NPS-2143(100nM) effectively hinders the Secretion of cytokines and chemokines: IL-6, MCP-2, RANTES, and s-ICAM-1 from NAHAs[2].
NPS-2143 significantly reduced cell proliferation with halfmaximal (50%) inhibitory concentration (IC50) values of 4.08 and 5.71 μM in MDA-MB-231 and MCF-7 cells, respectively. NPS-2143 induced caspase 3/7 activation in MDA-MB-231 breastcancer cells which was accompanied with a remarkable reduction in the expression of Bcl-2antiapoptotic protein. NPS-2143 suppressed migratory and invasive abilities of MDA-MB-231cells with a significant reduction in the expression of p-ERK1/2 and integrin β1 proteins.NPS-2143 to suppress proliferative, migratory andinvasive effects of breast cancer cells which was accompanied by caspase 3/7 activation andsuggests the potential of NPS-2143 as a promising anti-cancer molecule in breast cancer[3].
NPS-2143 was administered as a single ip bolus to wild-type and Nuf mice and plasma concentrations of calcium and PTH, and urinary calcium excretion measured. In vitro administration of NPS-2143 rectifying the gain-of-function associated with the Nuf mouse CaSR mutation. Intraperitoneal injection of NPS-2143 in Nuf mice led to significant increases in plasma calcium and PTH without elevating urinary calcium excretion. These studies of a mouse model with an activating CaSR mutation demonstrate NPS-2143 to normalize the gain-of-function causing ADH1 and improve the hypocalcemia associated with this disorder[4].
References:
[1].Wang S, Qiu L, et al. NPS - 2143 (hydrochloride) inhibits melanoma cancer cell proliferation and induces autophagy and apoptosis. Med Sci (Paris). 2018 Oct;34 Focus issue F1:87-93.
[2].Chiarini A, Armato U, et al. CaSR Antagonist (Calcilytic) NPS 2143 Hinders the Release of Neuroinflammatory IL-6, Soluble ICAM-1, RANTES, and MCP-2 from Aβ-Exposed Human Cortical Astrocytes. Cells. 2020 Jun 2;9(6):1386.
[3].Alqudah MAY, Azaizeh M, et al. Calcium-Sensing Receptor Antagonist NPS-2143 Inhibits Breast Cancer cell Proliferation, Migration and Invasion via Downregulation of p-ERK1/2, Bcl-2 and Integrin β1 and Induces Caspase 3/7 Activation. Adv Pharm Bull. 2022 Mar;12(2):383-388.
[4].Hannan FM, Walls GV, et al. The Calcilytic Agent NPS 2143 Rectifies Hypocalcemia in a Mouse Model With an Activating Calcium-Sensing Receptor (CaSR) Mutation: Relevance to Autosomal Dominant Hypocalcemia Type 1 (ADH1). Endocrinology. 2015 Sep;156(9):3114-21.
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