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A rare multisystemic disorder characterized by cone-rod dystrophy, hearing loss, obesity, insulin resistance and hyperinsulinemia, type 2 diabetes mellitus, dilated cardiomyopathy (DCM), and progressive hepatic and renal dysfunction.
ALMS1 dysfunction impairs autophagy through disrupted AMPK signaling. Metformin activates AMPK via LKB1, while resveratrol enhances SIRT1-mediated autophagy induction and mitochondrial biogenesis through PGC-1α activation, potentially bypassing defective ALMS1-dependent pathways.
ALMS1 loss leads to disrupted α-tubulin acetylation in primary cilia. Selective HDAC6 inhibition via Tubastatin A restores ciliary acetylation patterns, improving mechanotransduction, Hedgehog signaling, and metabolic hormone sensitivity in target tissues.
Truncated ALMS1 proteins in urinary exosomes reflect tissue-level ciliary dysfunction severity. Monitoring these fragments could guide personalized dosing of ciliary-targeted therapeutics and predict treatment response in real-time, enabling precision medicine approaches.
Traditional Kidney-Yang deficiency parallels ALMS1-related endocrine dysfunction. Rehmanniae Radix ginsenosides modulate cAMP-PKA signaling and enhance CREB phosphorylation, potentially restoring ciliary function and hormonal signaling disrupted by ALMS1 mutations.
Bacopa monnieri bacosides and Convolvulus pluricaulis enhance BDNF expression and synaptic plasticity through CREB activation. This could counteract progressive neurodegeneration in Alström syndrome by promoting neuronal survival and reducing oxidative stress in ALMS1-deficient neurons.
Low-dose nocodazole paradoxically enhances microtubule dynamics and intraflagellar transport. By improving IFT88-dynein complex function, this could restore ciliary protein trafficking disrupted by ALMS1 dysfunction, improving sensory transduction and metabolic signaling.