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D-Phenylalanine (DPA, D-Phe), sold under the brand names Deprenon, Sabiben, and Sabiden, is an enantiomer of phenylalanine which is described as an antidepressant and is marketed as a prescription drug for medical use in Argentina. [1] [2] The medication has been marketed since at least the 1970s [3] and continued to be available by the 2000s. [1]
D-Phenylalanine is a psychostimulant and selective norepinephrine releasing agent (NRA) or norepinephrine-preferring norepinephrine–dopamine releasing agent (NDRA). [ 1 ] [ 2 ] The EC 50 Tooltip half-maximal effective concentration values of D -phenylalanine for monoamine release are 106 nM for norepinephrine, 1,355 nM for dopamine , and ...
Examples include racecadotril, ubenimex (bestatin), RB-101, and D-phenylalanine, as well as the endogenous opioid peptides opiorphin and spinorphin. [1] It also includes RB-3007, Semax and Selank. Analgesic, anticraving, antidepressant, anxiolytic, and antidiarrheal effects are common properties of enkephalinase inhibitors. [1]
For the first time in two decades, the Food and Drug Administration (FDA) has approved a new class of medication that provides an alternative to addictive opioids for patients looking to manage ...
DA-Phen is a conjugate of dopamine and the amino acid phenylalanine (Phe or Phen). [ 1 ] [ 2 ] It is slowly cleaved by brain enzymes ( t ½ = 460 minutes) to yield free dopamine but is also rapidly hydrolyzed in human blood plasma (t ½ = 28 minutes). [ 2 ]
Diphenylalanine is a term that has recently been used to describe the unnatural amino acid similar to the two amino acids alanine and phenylalanine.It has been used for the synthesis of pseudopeptide analogues which are capable of inhibiting certain enzymes.
α-Methylphenylalanine (α-MePhe or AMPA) is an artificial amino acid and a phenethylamine and amphetamine derivative. [1] It is the α-methylated analogue of phenylalanine, the precursor of the catecholamine neurotransmitters, and the amino acid analogue of amphetamine (α-methylphenethylamine), a psychostimulant and monoamine releasing agent.
D-Phenylalanine is distributed to the various tissues of the body via the systemic circulation. It appears to cross the blood–brain barrier less efficiently than L-phenylalanine, and so a small amount of an ingested dose of D-phenylalanine is excreted in the urine without penetrating the central nervous system. [24] L-Phenylalanine is an ...