Results 51 to 60 of about 10,041 (230)

Maturation of Circulatory Responses to Methionine-Enkephalin [PDF]

open access: yesPediatric Research, 1983
The cardiovascular and respiratory effects of the naturally occurring endogenous opiate, methionine-enkephalin, were studied in 23 fetal sheep, five newborn lambs, 15 pregnant sheep, and four nonpregnant ewes. The opiate peptide produced dose-dependent decreases in heart rate and blood pressure in fetal and neonatal lambs but increased heart rate and ...
E F, Lagamma, J, Itskovitz, A M, Rudolph
openaire   +2 more sources

Mass Spectrometry Imaging Combined With Single‐Cell Transcriptional Profiling Reveals the Multidimensional Spatial Distributions and Biosynthetic Pathways of Medicinal Components in Andrographis paniculata

open access: yesPlant Biotechnology Journal, EarlyView.
ABSTRACT The synthesis and accumulation of active ingredients in medicinal plants are distributed in specific organs, tissues, and cell types, which are important for the exploitation of medicinal plants. However, the fine distribution of active ingredients is difficult to know. Here, the system of mass spectrometry imaging (MSI) integrated with single‐
HaiSheng Zeng   +14 more
wiley   +1 more source

Dnmt3a regulates emotional behavior and spine plasticity in the nucleus accumbens. [PDF]

open access: yes, 2010
Despite abundant expression of DNA methyltransferases (Dnmts) in brain, the regulation and behavioral role of DNA methylation remain poorly understood. We found that Dnmt3a expression was regulated in mouse nucleus accumbens (NAc) by chronic cocaine use ...
Bolaños, Carlos A   +26 more
core   +3 more sources

Recent Advancements in the Characterization of D‐Amino Acid and Isoaspartate Post‐Translational Modifications

open access: yesMass Spectrometry Reviews, Volume 45, Issue 2, Page 218-230, March/April 2026.
ABSTRACT One of the great triumphs of mass spectrometry‐based peptide and protein characterization is the characterization of their modifications as most modifications have a characteristic mass shift. What happens when the modification does not change the mass of the peptide?
Samuel Okyem, Jonathan V. Sweedler
wiley   +1 more source

Sensory Neuropeptides and Endogenous Opioids Expression in Human Dental Pulp with Asymptomatic Inflammation: In Vivo Study

open access: yesMediators of Inflammation, 2015
Purpose. This study quantified the expression of substance P (SP), calcitonin gene-related peptide (CGRP), β-endorphins (β-End), and methionine-enkephalin (Met-Enk) in human dental pulp following orthodontic intrusion. Methods.
Daniel Chavarria-Bolaños   +4 more
doaj   +1 more source

Interaction and Localization of One-electron Orbitals in an Organic Molecule: Fictitious Parameter Analysis for Multi-physics Simulations

open access: yes, 2006
We present a new methodology to analyze complicated multi-physics simulations by introducing a fictitious parameter. Using the method, we study quantum mechanical aspects of an organic molecule in water.
Bies W. E.   +24 more
core   +1 more source

Neuronal pathways in tendon healing and tendinopathy : update [PDF]

open access: yes, 2016
The regulatory mechanisms involved in tendon homeostasis and repair are not fully understood. Accumulating data, however, demonstrate that the nervous system, in addition to afferent (sensory) functions, through efferent neuronal pathways plays an active
Ackermann, Paul   +5 more
core   +1 more source

Metabolic signatures of the integrated profile of cardiovascular autonomic modulation and cardiorespiratory fitness in apparently healthy individuals

open access: yesPhysiological Reports, Volume 14, Issue 2, January 2026.
Abstract Cardiovascular autonomic modulation (CAM) and cardiorespiratory fitness (CRF) are well‐established predictors of health. Identifying metabolites associated with integrated CAM‐CRF profiles may help characterize healthy physiological states.
Étore De Favari Signini   +9 more
wiley   +1 more source

Pro-opiomelanocortin co-localizes with corticotropin-releasing factor in axon terminals of the noradrenergic nucleus locus coeruleus [PDF]

open access: yes, 2006
We previously demonstrated that the opioid peptide, enkephalin, and corticotropin-releasing factor (CRF) are occasionally co-localized in individual axon terminals but more frequently converge on common dendrites in the locus coeruleus (LC).
Glaser, Julia D.   +3 more
core   +2 more sources

Characterization and Identification of Potential Antioxidant, Antidiabetic, and Antihypertensive Peptides From Hydrolysates of Tenebrio molitor Flour and Its Protein Concentrate

open access: yesJournal of Food Science, Volume 90, Issue 10, October 2025.
ABSTRACT Insects are recognized as a potential alternative source of proteins and have been studied in recent years as a substrate for enzymatic hydrolysis to obtain bioactive peptides. This study aimed to evaluate the production of hydrolysates with antioxidant, antidiabetic, and antihypertensive properties from mealworm (Tenebrio molitor) flour and ...
Francielle Miranda de Matos   +1 more
wiley   +1 more source

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