In vitro effects of hydrogen peroxide on ALF expression in male mouse germ cells

2014 ◽  
Author(s):  
Khaled S A Habas ◽  
Diana Anderson ◽  
Martin H Brinkworth
Keyword(s):  
Hydrogen Peroxide ◽  
Germ Cells ◽  
Male Mouse ◽  
In Vitro Effects

In vitro effects of Uranium on human fetal germ cells

2011 ◽  
Vol 31 (4) ◽  
pp. 470-476 ◽  
Author(s):  
Gaëlle Angenard ◽  
Vincent Muczynski ◽  
Hervé Coffigny ◽  
Clotilde Duquenne ◽  
René Frydman ◽  
...  
Keyword(s):  
Germ Cells ◽  
In Vitro Effects

scholarly journals Genetic or pharmacological superoxide-hydrogen peroxide imbalances modulate the in vitro effects of lithium on glycogen synthase kinase-3β

Gene ◽  
2018 ◽  
Vol 655 ◽  
pp. 48-55 ◽  
Author(s):  
Fernanda Barbisan ◽  
Verônica Farina Azzolin ◽  
Gustavo Cardenas Monteiro ◽  
Cibele F. Teixeira ◽  
Moisés Henrique Mastella ◽  
...  
Keyword(s):  
Hydrogen Peroxide ◽  
Glycogen Synthase ◽  
Glycogen Synthase Kinase ◽  
Glycogen Synthase Kinase 3Β ◽  
In Vitro Effects

scholarly journals In vitro Effects of Vitamin E on Hydrogen Peroxide

1973 ◽  
Vol 111 (1) ◽  
pp. 99-100
Author(s):  
OTOTAKA HIGASHI ◽  
YOKO KIKUCHI
Keyword(s):  
Hydrogen Peroxide ◽  
Vitamin E ◽  
In Vitro Effects

scholarly journals In vitro effects of hydrogen peroxide on rat uterine contraction before and during pregnancy

2018 ◽  
Vol 59 (6) ◽  
pp. 327-334
Author(s):  
Rahmah Alanazi ◽  
Mohammed Alotaibi ◽  
Laiche Djouhri
Keyword(s):  
Hydrogen Peroxide ◽  
Uterine Contraction ◽  
In Vitro Effects

scholarly journals In Situ and In Vitro Effects of Two Bleaching Treatments on Human Enamel Hardness

2016 ◽  
Vol 27 (1) ◽  
pp. 56-59 ◽  
Author(s):  
Sandrina Henn-Donassollo ◽  
Cristiane Fabris ◽  
Morgana Gagiolla ◽  
Ícaro Kerber ◽  
Vinícius Caetano ◽  
...  
Keyword(s):  
Hydrogen Peroxide ◽  
Oral Appliance ◽  
Water Cooling ◽  
Surface Microhardness ◽  
Tukey Test ◽  
Human Enamel ◽  
Before And After ◽  
In Vitro Effects

Abstract The aim of this study was to evaluate in vitro and in situ the effects of two bleaching treatments on human enamel surface microhardness. Sixty enamel slabs from recently extracted thirty molars were used. The specimens were polished with sandpapers under water-cooling. The enamel samples were randomly divided in four groups, treated with 10% hydrogen peroxide (HP) or Whitening Strips (WS) containing 10% hydrogen peroxide and using two conditions: in vitro or in situ model. For in situ condition, six volunteers wore an intra-oral appliance containing enamel slabs, while for in vitro condition the specimens were kept in deionized water after the bleaching protocols. The bleaching treatments were applied one-hour daily for 14 days. Similar amounts of bleaching agents were used in both conditions. Before and after bleaching treatments, microhardness was measured. Statistical analysis (ANOVA and Tukey test) showed that in the in situ condition there was no statistically significant microhardness reduction in the bleached enamel (p>0.05). Significant decrease in hardness was observed for enamel slabs bleached with both treatments in the in vitro condition (p<0.05). Regarding the bleaching agents, in situ results showed no difference between HP and WS, while in vitro WS produced the lowest hardness value. It could be concluded that there was no deleterious effect on enamel produced by any of the bleaching protocols used in the in situ model. The reduction of hardness was only observed in vitro.

In Vitro Effects of Certain Membrane-acting Agents on Superoxide and Hydrogen Peroxide Production, Protein Synthesis and Membrane ATPase Activity in Buffalo PMN Cells

2007 ◽  
Vol 35 (4) ◽  
pp. 397-404 ◽  
Author(s):  
Hemen Das ◽  
Golla Ramalinga Reddy ◽  
Tukaram More ◽  
Vineet Kumar Singh
Keyword(s):  
Hydrogen Peroxide ◽  
Protein Synthesis ◽  
Atpase Activity ◽  
Antimicrobial Proteins ◽  
Level Of Activity ◽  
Membrane Atpases ◽  
In Vitro Effects ◽  
Reactive Oxidants ◽  
Proteins And Peptides

Polymorphonuclear (PMN) cells play a key role in innate immunity, due to their ability to produce reactive oxidants such as superoxide (O2–) and hydrogen peroxide (H2O2), and to release antimicrobial proteins and peptides stored in their lysosomal granules. In the present study, the effects of the activation of buffalo PMN cells with various membrane-acting agents were evaluated in terms of O2– and H2O2 production, the activities of membrane ATPases, and protein synthesis. Studies involving the incorporation of 35S-methionine revealed significant protein-synthesising ability in resting PMN cells and in cells treated with lipopolysaccharide (LPS), as well as with opsonised zymosan (OZ). Protein synthesis, as judged by fluorography of the cytosolic fraction, showed more than 12 bands, whilst the cytoskeletal fraction showed 2–3 bands. PMN activation with concanavalin A (ConA), digitonin and sodium nitroprusside (SNP) resulted in increased O2– and H2O2 production. However, in the presence of anti-inflammatory agents such as indomethacin and cortisol, the production of O2– and H2O2 by these cells was found to decline. Studies pertaining to membrane ATPases revealed that verapamil hydrochloride (VpHCl) significantly increased total ATPase and Na+K+ATPase activity. ConA treatment yielded only a moderate level of activity. Similarly, digitonin up to 24μM also caused a significant increase in ATPase activity. Our observations indicate that these membrane-acting agents influenced oxygen-dependent and oxygen-independent microbicidal mechanisms in buffalo PMN cells.

In vitro effects of hydrogen peroxide on the cochlear neurosensory epithelium of the guinea pig

2000 ◽  
Vol 143 (1-2) ◽  
pp. 162-170 ◽  
Author(s):  
N. Dehne ◽  
J. Lautermann ◽  
W.-J.F. ten Cate ◽  
U. Rauen ◽  
H. de Groot
Keyword(s):  
Hydrogen Peroxide ◽  
Guinea Pig ◽  
In Vitro Effects

Lactoperoxidase Antibacterial System: Natural Occurrence, Biological Functions and Practical Applications

1984 ◽  
Vol 47 (9) ◽  
pp. 724-732 ◽  
Author(s):  
BRUNO REITER ◽  
GÖRAN HÄRNULV
Keyword(s):  
Hydrogen Peroxide ◽  
Cytoplasmic Membrane ◽  
Natural Occurrence ◽  
Biological Functions ◽  
Animal Cells ◽  
Milk Products ◽  
Practical Applications ◽  
In Vitro Effects

In the present review dealing with the antibacterial lactoperoxidase (LP) system, it is shown that the two reactants thiocyanate (SCN−) and hydrogen peroxide (H2O2) as well as the catalytic enzyme lactoperoxidase (LP) are widely distributed in nature and that evidence for the activity of the LP system in animals, including man, is accumulating. The in vitro effects on bacterial and animal cells are discussed and the unique action of the LP system on the bacterial cytoplasmic membrane is pointed out. Some practical applications are also presented, with particular emphses on the possibility of utilizing the LP system to preserve the quality of raw, cooled as well as uncooled milk. It is concluded that the addition of minute quantities of SCN− and H2O2 (ca. 12 and 8 ppm, respectively) to secure an optimum activity of the LP system should be harmless to the consumer of milk and milk products treated in this way.

Anti-obesity role of Aster glehni extract: in vivo and in vitro effects

Planta Medica ◽  
2012 ◽  
Vol 78 (11) ◽  
Author(s):  
HM Lee ◽  
TG Ahn ◽  
CW Kim ◽  
HJ An
Keyword(s):  
In Vitro Effects
Sign in / Sign up

Export Citation Format

Share Document