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Pathologically, PD is characterized by the misfolding of -synuclein, leading to Lewy body formation and dopaminergic neuron loss in the substantia nigra
22 Cassiano DP, Espsito ACC, da Silva CN, et al
Chronic GI inflammation with no clear diagnosis: Standard GI workup was negative, but the patient continues to experience bloating, food sensitivities, and post-meal fatigue
Last Updated: May 31, 2026 Introduction to Amino Acid Derivatives Amino acids play critical roles as the building blocks of proteins, as intermediates in numerous metabolic processes, and as reservoirs of energy through their catabolism
46 , D246D251 (2018)
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