for educational and safety purposes
Every compound in the sci-wiki that affects intracellular calcium; the ones you can source are floated to the front, then the reference-only entries. Tap any for the full entry, mechanism, and outlets.
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L-Clausenamide, or (-)-clausenamide, is a pyrrolidinone alkaloid isolated from the leaves of Clausena lansium (wampee) and studied in China as a nootropic and neuroprotective anti-dementia drug candidate [1]. It is the eutomer of the clausenamide enantiomers, improving learning and memory through multi-target actions including modulation of intracellular calcium, cholinergic support, enhancement of synaptic plasticity and long-term potentiation, and antioxidant protection [1]. In cellular and animal models it protects neurons against beta-amyloid, okadaic-acid and ischemic injury and inhibits ferroptosis in dopaminergic neurons [2][3][4].
Methylphenylpiracetam (MPP) is a methylated analogue of phenylpiracetam developed at the Latvian Institute of Organic Synthesis, and its most studied stereoisomer, E1R, is a positive allosteric modulator of the sigma-1 receptor [1]. In mice, E1R enhances memory retention and reverses scopolamine-induced cognitive impairment without altering locomotor activity, effects abolished by the selective sigma-1 antagonist NE-100 [1]. Unlike its parent phenylpiracetam, which is primarily a dopaminergic psychostimulant, MPP is characterized as a non-stimulant cognition enhancer acting through sigma-1 chaperone signaling [1].