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Takumi Hasegawa, Izumi Saito, Daisuke Takeda, Eiji Iwata, Natsuki Yonezawa, Yasumasa Kakei, Akiko Sakakibara, Masaya Akashi, Tsutomu Minamikawa, Takahide Komori
OBJECTIVE: The purpose of this study was to retrospectively investigate the multivariate relationships among the various risk factors for postoperative delirium in patients undergoing oral cancer surgery. MATERIAL AND METHODS: The medical records of all patients with oral cancer who underwent curative head and neck surgery between April 2011 and March 2013 at our institution were retrospectively reviewed. There was a total of 188 patients, including 110 males and 78 females...
September 2015: Journal of Cranio-maxillo-facial Surgery
Wendy E Hoy, Andrew V White, Bernard Tipiloura, Gurmeet Singh, Suresh K Sharma, Hilary Bloomfield, Cheryl E Swanson, Alison Dowling, David A McCredie
BACKGROUND: Australian Aborigines in remote areas have very high rates of kidney disease, which is marked by albuminuria. We describe a "multihit" model of albuminuria in young adults in one remote Aboriginal community. METHODS: Urinary albumin/creatinine ratios (ACR) were measured in all subjects who volunteered to participate in a community-wide health screen. Subjects for this study were young adults who had birth weights recorded and whose medical records were inspected for a history of post-streptococcal glomerulonephritis (PSGN)...
2015: Clinical Nephrology
Gholamreza Rezaei Behbehani, Katayon Gonbadi, Nasrin Eslami
The interaction of both ferric (Fe³⁺) and cupric (Cu²⁺) ions with human serum albumin (HSA) was assayed at a temperature of 27°C in aqueous solution using isothermal titration calorimetry. The association equilibrium constant and the molar enthalpy for one binding is 1.7 × 10⁵ M-1 and -31.37 kJ • M⁻¹, respectively. To obtain the binding parameters of metal ion-protein interaction over the whole range of Fe³⁺ concentrations, the extended solvation model was applied. The solvation parameters obtained from this model were attributed to the structural change of HSA...
2014: General Physiology and Biophysics
Wenqing Li, Dongsheng Yu, Shuo Gao, Jiacheng Lin, Zhuoyu Chen, Wei Zhao
Candida albicans is strongly associated with severe early childhood caries (S-ECC). However, the roles of secreted aspartyl proteinases (Saps), an important virulence factor of C. albicans, in the progress of S-ECC are not clear. In our study, the Saps activities were evaluated by the yeast nitrogen base-bovine serum albumi (YNB-BSA) agar plate method and by the MTT method with bovine serum albumin (BSA) as the substrate. Genotypes of C. albicans and gene expression of Sap1-5 were evaluated. The relationships of Saps activities and genotypes with S-ECC were analyzed...
2014: International Journal of Molecular Sciences
Hui Lin, Ping Liu, Jianxun Wang, Bin Li, Lihua Mu, Yuan Hu
OBJECTIVE: To synthesize artificial antigen of the chlorogenic acid (CGA), a constituent in Traditional Chinese Medicine, then optimize the reaction conditions, so that to supply the basis in material and technique for study on Chinese medicine injection of adverse reactions in-depth. METHOD: The complete antigen of chlorogenic acid (CGA-BSA) was synthesized by CGA coupled to carrier protein bovine serum albumi (BSA) using carbodiimide method. We used the orthogonal design test to optimize reaction conditions and used the MALDI-TOF-MS and UV motheds to determine the coupling rate of the CGA-BSA...
August 2009: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
S Giacometti, L Camoni, C Albumi, S Visconti, M I De Michelis, P Aducci
Interaction of 14-3-3 proteins with their targets depends not only on the phosphorylation status of the target but also on that of 14-3-3 (Fu et al., 2000). In this work we demonstrated that the maize 14-3-3 isoform GF14-6 is a substrate of the tyrosine kinase insulin growth factor receptor 1. By means of site-directed mutants of GF14-6, we identified Tyr-137 as the specific tyrosine residue phosphorylated by the insulin growth factor receptor 1. Phosphorylation of GF14-6 on Tyr-137 lowered its affinity for a peptide mimicking the 14-3-3 binding site of the plant plasma membrane H+-ATPase...
July 2004: Plant Biology
Piero Morandini, Marco Valera, Cristina Albumi, Maria Cristina Bonza, Sonia Giacometti, Giuseppe Ravera, Irene Murgia, Carlo Soave, Maria Ida De Michelis
Using the two-hybrid technique we identified a novel protein whose N-terminal 88 amino acids (aa) interact with the C-terminal regulatory domain of the plasma membrane (PM) H+-ATPase from Arabidopsis thaliana (aa 847-949 of isoform AHA1). The corresponding gene has been named Ppi1 for Proton pump interactor 1. The encoded protein is 612 aa long and rich in charged and polar residues, except for the extreme C-terminus, where it presents a hydrophobic stretch of 24 aa. Several genes in the A. thaliana genome and many ESTs from different plant species share significant similarity (50-70% at the aa level over stretches of 200-600 aa) to Ppi1...
August 2002: Plant Journal: for Cell and Molecular Biology
C Olivari, C Albumi, M C Pugliarello, M I De Michelis
To investigate the mechanism by which fusicoccin (FC) induces the activation of the plasma membrane (PM) H(+)-ATPase, we used phenylarsine oxide (PAO), a known inhibitor of protein tyrosine-phosphatases. PAO was supplied in vivo in the absence or presence of FC to radish (Raphanus sativus L.) seedlings and cultured Arabidopsis cells prior to PM extraction. Treatment with PAO alone caused a slight decrease of PM H(+)-ATPase activity and, in radish, a decrease of PM-associated 14-3-3 proteins. When supplied prior to FC, PAO drastically inhibited FC-induced activation of PM H(+)-ATPase, FC binding to the PM, and the FC-induced increase of the amount of 14-3-3 associated with the PM...
February 2000: Plant Physiology
D M Tollefsen, P W Majerus
Monovalent goat antibody fragments (Fab) that were monospecific for human fibrinogen were isolated by affinity chromatography on fibrinogen-Sepharose and used as a direct probe for the involvement of fibrinogen in platelet aggregation and the release reaction. The antifibrinogen Fab inhibited aggregation of washed human platelets induced by thrombin (0.1-10 U/ml) by 50-95%, but had no effect on (14-C)-serotinin release and only a slight inhibitory effect on 125-I-thrombin binding to platelets. Inhibition of aggregation was not observed with nonimmune goat Fab or rabbit antihuman albumie bound tightly at saturation to surface fibrinogen molecules...
June 1975: Journal of Clinical Investigation
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