Amino Acids and Peptides. XXII. Preparation and Antinociceptive Effect of (D-Ala2)Leu-Enkephalin-Poly(Ethylene Glycol) Hybrid. [PDF]
The hybrid of poly (ethylene glycol) and [D-Ala2] Leu-enkephalin was prepared by the solution method and its antinociceptive effect and inhibitory effect on the electrically induced contractions of mouse vas deferens were examined.
MAYUMI, Tadanori +11 more
core +1 more source
Strategic incorporation of unnatural amino acids transforms macrocyclic peptides into drug‐like molecules capable of engaging challenging targets. These building blocks enhance stability, permeability, and bioavailability, accelerating the development of next‐generation peptide therapeutics.
Krishna K. Sharma +5 more
wiley +2 more sources
Great Increase in Antinociceptive Potency of [Leu5]Enkephalin After Peptidase Inhibition
Previous in vitro studies have shown that the degradation of [Leu5]enkephalin during incubation with cerebral membrane preparations is almost completely prevented by a mixture of three peptidase inhibitors: amastatin, captopril, and phosphoramidon.
Kazuhito Akahori +6 more
doaj +1 more source
Endogenious opiod met-enkephalin throughout previous research manifested cytoprotective and anti-inflammatory effects. Previous research suggests that met-enkephalin has cytogenetic effects.
Maida Rakanović-Todić +3 more
doaj +1 more source
An Effective and Safe Enkephalin Analog for Antinociception
Opioids account for 69,000 overdose deaths per annum worldwide and cause serious side effects. Safer analgesics are urgently needed. The endogenous opioid peptide Leu-Enkephalin (Leu-ENK) is ineffective when introduced peripherally due to poor stability ...
K. K. DurgaRao Viswanadham +13 more
doaj +1 more source
Enkephalin as a Pivotal Player in Neuroadaptations Related to Psychostimulant Addiction
Enkephalin expression is high in mesocorticolimbic areas associated with psychostimulant-induced behavioral and neurobiological effects, and may also modulate local neurotransmission in this circuit network.
Bethania Mongi-Bragato +4 more
doaj +1 more source
Exposure to exogenous enkephalins disrupts reproductive development in the Eastern lubber grasshopper, Romalea microptera (Insecta: Orthoptera). [PDF]
Enkephalins play a major role in reproductive physiology in crustaceans; however their role in reproductive development in insects is largely unknown. We investigated the effect of exposure to exogenous leucine-enkephalin (Leu-Enk), methionine-enkephalin
Sandeep Kumar +4 more
doaj +1 more source
Effects of Long-term antipsychotic treatment on enkephalin-immunoreactive neurons in rats perinatally treated with phencyclidine [PDF]
Introduction: Schizophrenia is a chronic mental illness that affects 1% of the world's population. The phencyclidine animal model of schizophrenia is based on the glutamate theory of the development of schizophrenia.
Kompanijec Anja +2 more
doaj +1 more source
Synthetic Analogue of Leu-Enkephalin Prevents Endothelial Dysfunction in vitro
The purpose of the study was to determine the efficacy of a synthetic leu-enkephalin stabilized analogue to prevent damage of endothelial cells monolayer in vitro caused by serum samples from septic shock patients.Materials and methods.
O. A. Grebenchikov +8 more
doaj +1 more source
Immunocytochemical studies with antisera against Leu-enkephalin and an enkephalin-precursor fragment (BAM-22P) in the rat brain [PDF]
Rats given high doses of colchicine (300-400 ug, i.c.v.) were used to investigate the comparative distribution of Leu-enkephalin and bovine adrenal medullary enkephalin-precursor fragment (BAM-22P) in the brain. Leu-enkephalin immunoreactive neurons have
Lewis, Michael E. +2 more
core +1 more source

