Results 21 to 30 of about 1,544,258 (252)

Mechanistic study of physicochemical and biochemical processes affecting intestinal absorption of the sesquiterpene lactone nobilin from multi-component systems in the Caco-2 model [PDF]

open access: yes, 2015
The overall aim of this work was to investigate the intestinal absorption of the sesquiterpene lactone nobilin from the flowers of Anthemis nobilis L.
Thormann, U.
core   +1 more source

Brain delivery of vasoactive intestinal peptide (VIP) following nasal administration to rats [PDF]

open access: yes, 2003
The aim of this work was to study in rats the nasal route for the brain delivery of the vasoactive intestinal peptide (VIP) neuropeptide. After evaluating VIP stability in solutions obtained from nasal washes, the effect of formulation parameters (pH 4-9,
Dufès, Christine   +5 more
core   +3 more sources

Self‐Healing Hydrogels: The Next Paradigm Shift in Tissue Engineering?

open access: yesAdvanced Science, 2019
Given their durability and long‐term stability, self‐healable hydrogels have, in the past few years, emerged as promising replacements for the many brittle hydrogels currently being used in preclinical or clinical trials. To this end, the incompatibility
Sepehr Talebian   +10 more
doaj   +1 more source

Assessment of contribution of BCRP to intestinal absorption of various drugs using portal‐systemic blood concentration difference model in mice

open access: yesPharmacology Research & Perspectives, 2020
Prediction of the intestinal absorption of new chemical entities (NCEs) is still difficult, in part because drug efflux transporters, including breast cancer resistance protein (BCRP) and P‐glycoprotein (P‐gp), restrict their intestinal permeability.
Iichiro Kawahara   +4 more
doaj   +1 more source

Recent Advances in the Gastrointestinal Complex in Vitro Model for ADME Studies

open access: yesPharmaceutics, 2023
Intestinal absorption is a complex process involving the permeability of the epithelial barrier, efflux transporter activity, and intestinal metabolism.
Kazuyoshi Michiba   +3 more
doaj   +1 more source

Application of the steady-state intestinal perfusion system in measuring intestinal fluid absorption and bicarbonate secretion in vivo

open access: yesFrontiers in Physiology, 2023
Background: The steady-state intestinal perfusion system represents a tool used in measuring intestinal fluid absorption and bicarbonate secretion in vivo; however, detailed procedures and parameters were not elucidated fully.Aim: We focused on the ...
Wenjuan Fan, Qinghai Tan
doaj   +1 more source

Monoglyceride modification of jejunal absorption of fatty acid in the rat

open access: yesJournal of Lipid Research, 1974
The effect of increasing the intracellular pool of monoolein upon the subsequent uptake and esterification of oleic acid was investigated using in vitro rat jejunal slice techniques.
A. Thomas Marubbio, Jr.   +3 more
doaj   +1 more source

Development of active jejunal glucose absorption in broiler chickens

open access: yesPoultry Science, 2023
: Growth in chickens, especially meat-type chickens (broilers), is extremely rapid, but studies on the regulatory mechanism of intestinal glucose absorption with growth are few, contradictory, and unclear.
Mikako Shibata   +4 more
doaj   +1 more source

Gut microbiome and aging—A dynamic interplay of microbes, metabolites, and the immune system

open access: yesFEBS Letters, EarlyView.
Age‐dependent shifts in microbial communities engender shifts in microbial metabolite profiles. These in turn drive shifts in barrier surface permeability of the gut and brain and induce immune activation. When paired with preexisting age‐related chronic inflammation this increases the risk of neuroinflammation and neurodegenerative diseases.
Aaron Mehl, Eran Blacher
wiley   +1 more source

Degradation mechanism of the von Willebrand factor A2 domain by nattokinase

open access: yesFEBS Letters, EarlyView.
Nattokinase, a natto‐derived protease, exhibits potent antithrombotic effects. This study demonstrates that nattokinase directly cleaves the von Willebrand factor (vWF) A2 domain in vitro. Unlike the native regulator ADAMTS13, nattokinase degrades folded vWF independently of shear stress.
Ryuichi Hyakumoto   +3 more
wiley   +1 more source

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