نتایج جستجو برای: syn

تعداد نتایج: 6081  

Journal: :CoRR 2012
Saravanan Kumarasamy A. Gowrishankar

Distributed denial-of-service attacks on public servers have recently become a serious problem. To assure that network services will not be interrupted and more effective defense mechanisms to protect against malicious traffic, especially SYN floods. One problem in detecting SYN flood traffic is that server nodes or firewalls cannot distinguish the SYN packets of normal TCP connections from tho...

Journal: :Environmental Health Perspectives 2004
Ernie Hood

which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Abstract The overgrowth of synovial tissues is critical in the pathogenesis of rheumatoid arthritis (RA). The expression of Synoviolin (SYN), an E3 ubiquitin ligase, is upregulated in arthritic synovial fibroblasts and is involved in the overgrowth of synovial cells during...

Journal: :The Journal of biological chemistry 2009
Adrien W Schmid Diego Chiappe Vérène Pignat Valerie Grimminger Ivan Hang Marc Moniatte Hilal A Lashuel

Tissue transglutaminase (tTG) has been implicated in the pathogenesis of Parkinson disease (PD). However, exactly how tTG modulates the structural and functional properties of alpha-synuclein (alpha-syn) and contributes to the pathogenesis of PD remains unknown. Using site-directed mutagenesis combined with detailed biophysical and mass spectrometry analyses, we sought to identify the exact res...

2012
P.G. Foulds O. Yokota A. Thurston Y. Davidson Z. Ahmed J. Holton J.C. Thompson H. Akiyama T. Arai M. Hasegawa A. Gerhard D. Allsop D.M.A. Mann

Differentiating clinically between Parkinson's disease (PD) and the atypical parkinsonian syndromes of Progressive supranuclear palsy (PSP), corticobasal syndrome (CBS) and multiple system atrophy (MSA) is challenging but crucial for patient management and recruitment into clinical trials. Because PD (and the related disorder Dementia with Lewy bodies (DLB)) and MSA are characterised by the dep...

Journal: :Organic & biomolecular chemistry 2011
Pengxin Zhou Sanzhong Luo Jin-Pei Cheng

Chiral primary-tertiary diamine/TfOH was found to catalyze kinetic resolution of racemic syn-aldols of cyclohexanones in ionic liquid effectively, affording the chiral syn-aldols with up to 99:1 syn/anti and 99% ee.

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2013
Brendan D Looyenga Patrik Brundin

The significance of α-synuclein (α-syn) phosphorylation to Parkinson disease (PD) pathology has been controversial since the initial identification of this posttranslational modification in intracellular Lewy bodies (1, 2). The modification of serine-129 (S129), which appears to be the most common phosphorylation site on α-syn (3, 4), has had the focus of attention. Although several different k...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2004
Michaela Edin Johannes Steinreiber Jan-E Bäckvall

A one-pot synthesis of enantiomerically pure syn-1,3-diacetates starting from readily accessible racemic diastereomeric mixtures of 1,3-diols has been realized by combining (i) enzymatic transesterification, (ii) ruthenium-catalyzed epimerization of a secondary alcohol in a diol or diol monoacetate, and (iii) intramolecular acyl migration in a syn-1,3-diol monoacetate. The in situ coupling of t...

Journal: :Obesity research & clinical practice 2013
Ching-Ya Chou Hui-Fen Lang Wanye Huey-Herng Sheu Jin-Yuarn Lin

Serum anti-/pro-inflammatory molecules such as adiponectin, IL-6, IL-10, and TNF-α, and metabolic syndrome (Met Syn) features in 15 android obese (6 Met Syn and 9 non-Met Syn) subjects were assessed during an 8-week weight control program. The results showed that the body mass index, weight, lean body mass, triglyceride, total cholesterol/high density lipoprotein cholesterol ratio, and TNF-α in...

Journal: :Journal of animal science 1996
T S Rumsey T H Elsasser S Kahl W M Moseley M B Solomon

The influence of Synovex-S (SYN) ear implant (200 mg progesterone and 20 mg estradiol benzoate) and Somavubove (SbV) recombinant bovine growth hormone (.1 mg/kg BW i.m., daily) on live animal performance, tissue growth, and the partitioning of energy gain was determined using a slaughter-balance protocol with 25 young MARC II x (Angus-Hereford crossbred) beef steers (initial BW 182 +/- 1.8 kg)....

Journal: :Current Biology 2014
Lina Wang Utpal Das David A. Scott Yong Tang Pamela J. McLean Subhojit Roy

The normal functions and pathologic facets of the small presynaptic protein α-synuclein (α-syn) are of exceptional interest. In previous studies, we found that α-syn attenuates synaptic exo/endocytosis; however, underlying mechanisms remain unknown. More recent evidence suggests that α-syn exists as metastable multimers and not solely as a natively unfolded monomer. However, conformations of α-...

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