Results 21 to 30 of about 89,217 (286)

Antioxidant and Anti-Urolithiatic Activity of Aqueous and Ethanolic Extracts from Saussurea costus (Falc) Lispich Using Scanning Electron Microscopy

open access: yesLife, 2022
The plant Saussurea costus (Falc) Lipsch has many biological activities and a strong curative and preventive power against a variety of diseases including cancer, diabetes, and hemorrhoids. In the current study, phytochemical screening was carried out as
Naima Mammate   +8 more
doaj   +1 more source

Urinary felinine excretion in intact male cats is increased by dietary cystine [PDF]

open access: yes, 2008
Felinine is a branched-chain sulfur amino acid present in the urine of certain Felidae, including domestic cats. The objective of the present study was to determine if additional cystine and/or dietary N would increase felinine and N-acetylfelinine ...
Hendriks, W.H.   +4 more
core   +2 more sources

Trypsin inhibition by macrocyclic and open-chain variants of the squash inhibitor MCoTI-II [PDF]

open access: yes, 2005
MCoTl-I and MCoTl-II from the seeds of Momordica cochinchinensis are inhibitors of trypsin-like proteases and the only known members of the large family of squash inhibitors that are cyclic and contain an additional loop connecting the amino- and the ...
Avrutina, Olga   +6 more
core   +1 more source

Níveis de aminoácidos na dieta de suínos machos inteiros dos 25 aos 70KG Levels of aminoacids in diet for boars from 25 at 70KG

open access: yesCiência Rural, 1999
No Brasil, o abate de suínos machos inteiros é proibido, mas esta categoria apresenta vantagens econômicas quando comparada a suínos machos castrados. Trabalhos têm demonstrado que existem diferenças no requerimento nutricional entre essas categorias.
Cezar Dobler Castagna   +3 more
doaj   +1 more source

Reduction in Phencyclidine Induced Sensorimotor Gating Deficits in the Rat Following Increased System Xc − Activity in the Medial Prefrontal Cortex [PDF]

open access: yes, 2013
Rationale: Aspects of schizophrenia, including deficits in sensorimotor gating, have been linked to glutamate dysfunction and/or oxidative stress in the prefrontal cortex. System xc −, a cystine–glutamate antiporter, is a poorly understood mechanism that
A Araque   +81 more
core   +2 more sources

Cysteine, Glutathione, and Thiol Redox Balance in Astrocytes

open access: yesAntioxidants, 2017
This review discusses the current understanding of cysteine and glutathione redox balance in astrocytes. Particular emphasis is placed on the impact of oxidative stress and astrocyte activation on pathways that provide cysteine as a precursor for ...
Gethin J. McBean
doaj   +1 more source

Chronic Sulfasalazine Treatment in Mice Induces System xc− - Independent Adverse Effects

open access: yesFrontiers in Pharmacology, 2021
Despite ample evidence for the therapeutic potential of inhibition of the cystine/glutamate antiporter system xc− in neurological disorders and in cancer, none of the proposed inhibitors is selective. In this context, a lot of research has been performed
Lise Verbruggen   +10 more
doaj   +1 more source

Influence of Sulfur-Containing Diamino Acid Structure on Covalently Crosslinked Copolypeptide Hydrogels. [PDF]

open access: yes, 2018
Biologically occurring non-canonical di-α-amino acids were converted into new di-N-carboxyanhydride (di-NCA) monomers in reasonable yields with high purity.
Deming, Timothy J   +4 more
core   +1 more source

Cystine Stones: Developments in Minimally Invasive Surgery and Their Impact on Morbidity and Stone Clearance

open access: yesResearch and Reports in Urology, 2023
Thomas Hughes,1 Lazaros Tzelves,2 Bhaskar K Somani3 1Department of Urology, Warwick Hospital, Warwick, UK; 2Department of Urology, Sismanogleio Hospital, National and Kapodistrian University of Athens, Athens, Greece; 3Department of Urology, University ...
Hughes T, Tzelves L, Somani BK
doaj  

Glutathione Metabolism in Renal Cell Carcinoma Progression and Implications for Therapies [PDF]

open access: yes, 2019
A significantly increased level of the reactive oxygen species (ROS) scavenger glutathione (GSH) has been identified as a hallmark of renal cell carcinoma (RCC). The proposed mechanism for increased GSH levels is to counteract damaging ROS to sustain the
Meierhofer, David, Xiao, Yi
core   +2 more sources

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