The structure and matrix dynamics of bacterial biofilms as revealed by antimicrobial peptides' diffusion

B Vieira‐da‐Silva… - Journal of Peptide …, 2023 - Wiley Online Library
From the biological point of view, bacterial biofilms are communities of bacteria embedded
in a self‐produced gel matrix composed of polysaccharides, DNA, and proteins. Considering …

Pharmacological potential of the endogenous dipeptide kyotorphin and selected derivatives

J Perazzo, MARB Castanho, S Sá Santos - Frontiers in pharmacology, 2017 - frontiersin.org
The endogenous peptide kyotorphin (KTP) has been extensively studied since it was
discovered in 1979. The dipeptide is distributed unevenly over the brain but the majority is …

Mechanistic insights on the antibacterial action of the kyotorphin peptide derivatives revealed by in vitro studies and Galleria mellonella proteomic analysis

VM de Andrade, VDM de Oliveira, U Barcick… - Microbial …, 2024 - Elsevier
Objectives The selected kyotorphin derivatives were tested to improve their antimicrobial
and antibiofilm activity. The antimicrobial screening of the KTP derivatives were ascertained …

The neuroprotective action of amidated-kyotorphin on amyloid β peptide-induced Alzheimer's disease pathophysiology

RF Belo, MLF Martins, L Shvachiy… - Frontiers in …, 2020 - frontiersin.org
Kyotorphin (KTP, l-tyrosyl-l-arginine) is an endogenous dipeptide initially described to have
analgesic properties. Recently, KTP was suggested to be an endogenous neuroprotective …

Review of kyotorphin research: a mysterious opioid analgesic dipeptide and its molecular, physiological, and pharmacological characteristics

H Ueda - Frontiers in Medical Technology, 2021 - frontiersin.org
Tyrosine-arginine (kyotorphin), an opioid analgesic dipeptide, was discovered more than 40
years ago in 1979. The evidence accumulated during this period has established the …

Evaluation of the Anti-biofilm Efficacy of Kyotorphin Derivatives and Biosafety Assessment: In Vitro and In Vivo Investigations Targeting Bacterial and Fungal …

ICS Carvalho, F da Silva Seiffert Simões… - International Journal of …, 2024 - Springer
Abstract Kyotorphin (KTP) dipeptide (l-Tyrosine-l-Arginine) and their derivatives possess a
multitude of functions, qualifying them as" multifunctional peptides." Considering the …

Amidated and ibuprofen-conjugated kyotorphins promote neuronal rescue and memory recovery in cerebral hypoperfusion dementia model

S Sá Santos, SM Santos, ART Pinto… - Frontiers in aging …, 2016 - frontiersin.org
Chronic brain ischemia is a prominent risk factor for neurological dysfunction and
progression for dementias, including Alzheimer's disease (AD). In rats, permanent bilateral …

Neuropeptide kyotorphin impacts on lipopolysaccharide-induced glucocorticoid-mediated inflammatory response. A molecular link to nociception, neuroprotection …

J Perazzo, C Lima, M Heras, E Bardají… - ACS Chemical …, 2017 - ACS Publications
Neuropeptide kyotorphin (KTP) is a potent analgesic if administered directly into the brain. In
contrast, KTP-amide (KTP-NH2) is analgesic, neuroprotective, and anti-inflammatory …

Endothelium-mediated action of analogues of the endogenous neuropeptide kyotorphin (tyrosil-arginine): mechanistic insights from permeation and effects on …

J Perazzo, M Lopes-Ferreira, S Sá Santos… - ACS Chemical …, 2016 - ACS Publications
Kyotorphin (KTP) is an endogenous peptide with analgesic properties when administered
into the central nervous system (CNS). Its amidated form (l-Tyr-l-Arg-NH2; KTP-NH2) has …

Improvement of the pharmacological properties of amidated kyotorphin by means of iodination

MC Oliveira, L Gano, I Santos, JDG Correia… - …, 2016 - pubs.rsc.org
Amidated kyotorphin (L-Tyr-L-Arg-NH2; KTP-NH2) shows analgesic properties following
systemic administration. Although KTP-NH2 does not have toxic effects in the liver, its …