Nephi Stella, PhD

Personal Statement

My laboratory studies the therapeutic value and molecular mechanism of action of drugs targeting the cannabinoid signaling system. Our goal is to develop novel treatments for brain deficits and cognitive impairment linked to neurodegeneration (Huntington’s disease) and drug addiction. We are particularly interested in the cannabinoid signaling system expressed by medium spiny neurons (MSN), a neuronal cell population affected in both diseases.

To understand how cannabinoid receptors and their endogenous ligands, the endocannabinoids, control fundamental functions of MSN under healthy and disease states, we leverages a broad array of analytical approaches and molecular technics. Thus, over the years, my laboratory has acquired expertise in analytical chemistry (especially measuring drugs and lipids by GC-MS and LC-MS, and more recently proteins by SILAC), pharmacology (especially the pharmacodynamics characteristics of compounds acting at GPCR), biochemistry (second messengers and enzymatic activities), molecular biology (subcloning and genetic manipulations of protein expression), cell phenotype (gene arrays and qPCR), cell viability (both using metabolism and cell integrity-based assays), semi-quantitative immunocytochemistry and immunohistochemistry, pharmacokinetics, safety and toxicology and animal behavior (motor and motivated: e.g. drug sensitization and CPP).

Department Affiliations

Recent Publications

The endocannabinoid 2-arachidonoylglycerol is released and transported on demand via extracellular microvesicles.
(2025 Feb 25)
Proc Natl Acad Sci U S A 122(8): e2421717122
Straub VM, Barti B, Tandar ST, Stevens AF, van Egmond N, van der Wel T, Zhu N, Rüegger J, van der Horst C, Heitman LH, Li Y, Stella N, van Hasselt JGC, Katona I, van der Stelt M

Endocannabinoids facilitate transitory reward engagement through retrograde gain-control.
(2025 Jan 8)
bioRxiv
Marcus DJ, English AE, Chun G, Seth EF, Oomen R, Hwang S, Wells B, Piantadosi SC, Suko A, Li Y, Zweifel LS, Land BB, Stella N, Bruchas MR

Effects of a cannabidiol/terpene formulation on sleep in individuals with insomnia: a double-blind, placebo-controlled, randomized, crossover study.
(2025 Jan 1)
J Clin Sleep Med 21(1): 69-80
Wang M, Faust M, Abbott S, Patel V, Chang E, Clark JI, Stella N, Muchowski PJ

Analgesic Properties of Next-Generation Modulators of Endocannabinoid Signaling: Leveraging Modern Tools for the Development of Novel Therapeutics.
(2024 Oct 18)
J Pharmacol Exp Ther 391(2): 162-173
Singh S, Ellioff KJ, Bruchas MR, Land BB, Stella N

The microtubule targeting agent ST-401 triggers cell death in interphase and prevents the formation of polyploid giant cancer cells.
(2024 May 10)
J Transl Med 22(1): 441
Vicente JJ, Khan K, Tillinghast G, McFaline-Figueroa JL, Sancak Y, Stella N

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