role of oxidative stress in male infertility and antioxidant supplementation
Tài liệu The Role of BCG Vaccine in the Prevention and Control of Tuberculosis in the United States: A Joint Statement by the Advisory Council for the Elimination of Tuberculosis and the Advisory Committee on Immunization Practices docx
Ngày tải lên :
15/02/2014, 13:20
... renewed interest in examining the indications for BCG vaccination in the
United States included consideration of the wide range of vaccine efficacies deter-
mined by clinical trials and estimated in ... preventing pulmonary TB in adoles-
cents and adults. These studies also were not useful in determining a) the efficacy of
BCG vaccine in HCWs or b) the effects on efficacy of the vaccine strain administered
6 ... and recommendations for the use of BCG vaccine in selected persons, and
implementation and surveillance of BCG vaccination.
BCG VACCINES
BCG vaccines are live vaccines derived from a strain of...
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The role of sentence stress in enhancing english speaking competence of HPU english majors
Ngày tải lên :
17/03/2014, 16:12
... majors in enhancing
English speaking competence. 49
2.1. Misunderstanding of meaning caused by wrong placement of stress 49
2.2. Misunderstanding of meaning caused by changes in sentence stress. ... distinguish between four levels of stress: major
sentence stress, major word stress, minor word stress and unstressed.
Thus, in the sentence: “I walked home in the rainstorm”.
‗I‘, in , and ... meaning and none of them
denied the role of producing accurate sentence stress. However, a problem,
their strong attitude, cognition and utilization sentence stress in enhancing
speaking competence...
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Báo cáo Y học: The role of arginine residues in substrate binding and catalysis by deacetoxycephalosporin C synthase potx
Ngày tải lên :
18/03/2014, 01:20
... group of the a-aminoadipoyl- side-chain
of penicillin N (1), with arginines 74 and 75 apparently
playing a less important role in side-chain binding. Taken
together, the results of this and previous ... oxidation.
Penicillin substrate binding to DAOCS
The results in this paper give support to the proposed
mode of penicillin binding by DAOCS [1,12] a key feature
of which is that arginines 160 and 162 bind to ... residues in
binding the carboxylate linked to the nucleus of penicillin N
(Arg160 and Arg162) and the carboxylate of the a-amino-
adipoyl side-chain (Arg266). The results for mutation of
Arg74 and...
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The role of international agreements in environmental conservation and its implication to Vietnam
Ngày tải lên :
20/04/2014, 20:22
... further examined with the relevant economic
theories which are introduced in the Chapter 2 of the thesis.
By applying economic theories, the roles and mechanisms
of international agreements in conservation ... original and very challenging in this
aspect.
The followings are some of the important previous
VIETNAM NATIONAL UNIVERSITY, HANOI
COLLEGE OF ECONOMIC
YASUKATA FUKAHORI
THE ROLE OF ... envisage to contributing to
conservation of the global environmental assets that are
diminishing rapidly at an increasing rate.
It is very timely and important in three main
reasons. First,...
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báo cáo hóa học: " The microglial NADPH oxidase complex as a source of oxidative stress in Alzheimer''''s disease" ppt
Ngày tải lên :
19/06/2014, 22:20
... complex leads to the
initiation of complex signaling events leading to protein
tyrosine phosphorylation and activation of the src-family
kinases Lyn and Fyn as well as the tyrosine kinase Syk
[30,32,52]. ... [86,91-94]. Levels of both dityrosine and
nitrotyrosine are elevated in brain regions specifically
affected in AD [91]. Protein nitration is also increased in
the hippocampus of AD patients compared ... to antioxidants
as a potential therapeutic intervention in AD. These com-
pounds reduce oxidative stress by scavenging free radicals.
A large number of candidate antioxidants exist including
the...
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Báo cáo khoa học: Calcium, mitochondria and oxidative stress in neuronal pathology Novel aspects of an enduring theme pdf
Ngày tải lên :
07/03/2014, 12:20
... imposing a continuous load of
calcium to the neuron. The turning point upon which
the cell looses the ability to buffer the incoming calcium
resulting in an abrupt, sustained and irreversible
increase ... by proteins resi-
ding in both the inner and outer mitochondrial
membrane, that is activated by mitochondrial Ca
2+
overloading and other factors including oxidative stress
[88,89]. In neurons ... for a role of Trp proteins in the oxidative
stress- induced membrane conductances of porcine
aortic endothelial cells. Cardiovasc Res 42, 543–
549.
236 Wehage E, Eisfeld J, Heiner I, Jungling E,...
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Báo cáo khoa học: Effect of oxidative stress and involvement of poly(ADP-ribose) polymerase (PARP) in Dictyostelium discoideum development doc
Ngày tải lên :
23/03/2014, 07:20
... PARP inhibitor, on oxidative stress- induced changes in
D. discoideum development. Interestingly, oxidative stress resulted in PARP
activation within 5 min that was inhibited by benzamide. Oxidative ... development.
HA-induced oxidative stress activates PARP within
5 min (Fig. 4A,B), and its role during oxidative stress
is further confirmed by the use of low concentrations
of benzamide. Preincubation of cells ... the response of this organism to oxidative stress
and the role of PARP during development. We used hydroxylamine (HA)
to induce in situ generation of H
2
O
2
and monitored the effect of
benzamide,...
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báo cáo hóa học: " Brain inflammation and oxidative stress in a transgenic mouse model of Alzheimer-like brain amyloidosis" pptx
Ngày tải lên :
19/06/2014, 22:20
... implicating both oxidative
stress and inflammatory mechanisms in AD pathogenesis.
Effect of indomethacin plus vitamin E supplementation on sol-uble Aβ levelsFigure 3
Effect of indomethacin plus ... Hippocampus
*
*
Effect of indomethacin plus vitamin E supplementation on insoluble Aβ levelsFigure 4
Effect of indomethacin plus vitamin E supplementation on
insoluble Aβ levels. Levels of formic acid ... a subset of NSAIDs
(e.g. ibuprofen, flurbiprofen, indomethacin) reduced
brain inflammation and Aβ levels in addition to the dep-
osition of Aβ in brain [13,14]. Despite this evidence, and
the...
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báo cáo hóa học: " Effects of short duration stress management training on self-perceived depression, anxiety and stress in male automotive assembly workers: a quasi-experimental study" docx
Ngày tải lên :
20/06/2014, 00:20
... L Naing - naing61@gmail.com
* Corresponding author
Abstract
To examine the effects of short duration stress management training (SMT) on self-perceived
depression, anxiety and stress in male ... management in the workplace and
designed to reinforce the participants' understanding of
occupational stress and a suggested plan towards stress
reduction and control. The key component of the ... nature, causes, and signs and symptoms of
stress, stress reduction through adopting a healthy life
style, and methods of managing stress in the workplace. A
short question and answer session was...
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báo cáo hóa học: " Biomarkers of oxidative stress and its association with the urinary reducing capacity in bus maintenance workers" pptx
Ngày tải lên :
20/06/2014, 00:20
... response of the organism to particle-induced oxida-
tive stress. The observed increase of reducing species in
urine would mirror an increased level in blood originat-
ing from a response to oxidative ... only 10% of urate is excreted in the urine (the
remaining 90% being recirculated by the renal system
[3]), an increase of this antioxidant in blood will also
lead to an increase in urine. The ... to
explain the role of oxidative stress in mediating its bio-
logical effects. This model suggests that low levels of
oxidative stress induce protective effects (tier-1) by the
activation of antioxidant...
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Báo cáo khoa học: "Comparative study of PM2.5 - and PM10 - induced oxidative stress in rat lung epithelial cells" pptx
Ngày tải lên :
07/08/2014, 17:22
... C, Becker S.
Cytotoxicity and induction of
proinflammatory cytokines from human monocytes exposed
to fine(PM
2.5
) and coarse particles(PM
10
-
2.5
) in outdoor and
indoor air. Toxicol Appl Pharmacol ... PM10
suggesting that PM2.5 induced more oxidative stress than
PM10. In the single strand breakage assay using pBR322
DNA, the ratio of changed form II/total plasmid DNA (form
F
ig. 10. RT-PCR analysis of ... 11–18
Comparative study of PM2.5 - and PM10 - induced oxidative stress
in rat lung epithelial cells
Jin-Hyuk Choi, Jun-Sung Kim, Young-Chul Kim
1
, Yoon-Shin Kim
2
, Nam-Hyun Chung
3
and
Myung-Haing Cho*
Laboratory...
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