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https://www.readbyqxmd.com/read/28089438/a-retrospective-comparison-of-biliopancreatic-diversion-with-duodenal-switch-with-single-anastomosis-duodenal-switch-sips-stomach-intestinal-pylorus-sparing-surgery-at-a-single-institution-with-two-year-follow-up
#1
Amit Surve, Hinali Zaveri, Daniel Cottam, LeGrand Belnap, Austin Cottam, Samuel Cottam
BACKGROUND: The traditional duodenal switch is performed using a Roux-en-Y configuration. This procedure has proven to be the most effective procedure for long-term weight loss and co-morbidity reduction. Recently, stomach intestinal pylorus sparing surgery (SIPS) has been introduced as a simpler and potentially safer variation of the duodenal switch (DS). It is a single anastomosis end-to-side proximal duodeno-ileal bypass with a sleeve gastrectomy. In this study, we compare our outcomes between biliopancreatic diversion with duodenal switch (BPD-DS) and SIPS at 2 years...
December 2, 2016: Surgery for Obesity and related Diseases: Official Journal of the American Society for Bariatric Surgery
https://www.readbyqxmd.com/read/28075412/the-antagonistic-effect-of-mycotoxins-deoxynivalenol-and-zearalenone-on-metabolic-profiling-in-serum-and-liver-of-mice
#2
Jian Ji, Pei Zhu, Fangchao Cui, Fuwei Pi, Yinzhi Zhang, Yun Li, Jiasheng Wang, Xiulan Sun
Metabolic profiling in liver and serum of mice was studied for the combined toxic effects of deoxynivalenol (DON) and zearalenone (ZEN), through gas chromatography mass spectrum. The spectrum of serum and liver sample of mice, treated with individual 2 mg/kg DON, 20 mg/kg ZEN, and the combined DON + ZEN with final concentration 2 mg/kg DON and 20 mg/kg ZEN for 21 days, were deconvoluted, aligned and identified with MS DIAL. The data matrix was processed with univariate analysis and multivariate analysis for selection of metabolites with variable importance for the projection (VIP) > 1, t-test p value < 0...
January 10, 2017: Toxins
https://www.readbyqxmd.com/read/28056319/-risk-factors-for-lower-extremity-amputation-in-patients-with-diabetic-foot
#3
B Xu, C Z Yang, S B Wu, D Zhang, L N Wang, L Xiao, Y Chen, C R Wang, A Tong, X F Zhou, X H Li, X H Guan
Objective: To explore the risk factors for lower extremity amputation in patients with diabetic foot. Methods: The clinical data of 1 771 patients with diabetic foot at the Air Force General Hospital of PLA from November 2001 to April 2015 were retrospectively analyzed. The patients were divided into the non-amputation and amputation groups. Within the amputation group, subjects were further divided into the minor and major amputation subgroups. Binary logistic regression analyses were used to assess the association between risk factors and lower extremity amputation...
January 1, 2017: Zhonghua Nei Ke za Zhi [Chinese Journal of Internal Medicine]
https://www.readbyqxmd.com/read/28013188/a-capture-method-based-on-the-vc1-domain-reveals-new-binding-properties-of-the-human-receptor-for-advanced-glycation-end-products-rage
#4
Genny Degani, Alessandra A Altomare, Mara Colzani, Caterina Martino, Angelica Mazzolari, Guenter Fritz, Giulio Vistoli, Laura Popolo, Giancarlo Aldini
The Advanced Glycation and Lipoxidation End products (AGEs and ALEs) are a heterogeneous class of compounds derived from the non-enzymatic glycation or protein adduction by lipoxidation break-down products. The receptor for AGEs (RAGE) is involved in the progression of chronic diseases based on persistent inflammatory state and oxidative stress. RAGE is a pattern recognition receptor (PRR) and the inhibition of the interaction with its ligands or of the ligand accumulation have a potential therapeutic effect...
December 18, 2016: Redox Biology
https://www.readbyqxmd.com/read/28009171/stereoselective-synthesis-of-%C3%AE-and-%C3%AE-l-ara4n-glycosyl-h-phosphonates-and-a-neoglycoconjugate-comprising-glycosyl-phosphodiester-linked-%C3%AE-l-ara4n
#5
Ralph Hollaus, Paul Kosma, Alla Zamyatina
Stereoselective synthesis of variably protected α- and β-l-Ara4N glycosyl H-phosphonates as key intermediates in the syntheses of β-l-Ara4N-modified LPS structures and α-l-Ara4N-containing biosynthetic precursors is reported. A facile one-pot approach toward β-l-Ara4N glycosyl H-phosphonates includes anomeric deallylation of protected 4-azido β-l-Ara4N via terminal olefin isomerization followed by ozonolysis and methanolysis of formyl groups to furnish exclusively β-configured lactols that are phosphitylated with retention of configuration...
January 6, 2017: Organic Letters
https://www.readbyqxmd.com/read/28001185/serum-uric-acid-and-its-association-with-hypertension-early-nephropathy-and-chronic-kidney-disease-in-type-2-diabetic-patients
#6
Mohamed Fouad, Hoda Fathy, Amal Zidan
INTRODUCTION: Early detection diabetic nephropathy (DN) is important. Whether serum uric acid (SUA) has a role in the development of DN is not known. OBJECTIVE: To study the relationship between SUA and hypertension, early nephropathy and progression of chronic kidney disease (CKD) in type 2 diabetes mellitus (T2DM). METHODS: The total number of the study was 986 participants, according to presence and duration of diabetes were classified into three groups...
December 2016: Jornal Brasileiro de Nefrologia: ʹorgão Oficial de Sociedades Brasileira e Latino-Americana de Nefrologia
https://www.readbyqxmd.com/read/27994108/prevalence-of-and-factors-associated-with-nephropathy-in-diabetic-patients-attending-an-outpatient-clinic-in-harare-zimbabwe
#7
Pasipanodya Ian Machingura, Vasco Chikwasha, Parmenas Nelson Okwanga, Exnevia Gomo
There is limited information on the burden of diabetic nephropathy in developing countries. This study aimed to determine the prevalence of and factors associated with nephropathy among diabetic patients attending an outpatient clinic in Harare, Zimbabwe. In an analytical cross-sectional study, diabetic patients were consecutively enrolled and a questionnaire administered, clinical assessment conducted, and blood samples collected for human immunodeficiency virus testing and measurement of lipids, creatinine, fructosamine, and glycosylated hemoglobin levels...
December 19, 2016: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/27917827/the-n14-anti-afamin-antibody-fab-a-rare-vl1-cdr-glycosylation-crystallographic-re-sequencing-molecular-plasticity-and-conservative-versus-enthusiastic-modelling
#8
Andreas Naschberger, Barbara G Fürnrohr, Tihana Lenac Rovis, Suzana Malic, Klaus Scheffzek, Hans Dieplinger, Bernhard Rupp
The monoclonal antibody N14 is used as a detection antibody in ELISA kits for the human glycoprotein afamin, a member of the albumin family, which has recently gained interest in the capture and stabilization of Wnt signalling proteins, and for its role in metabolic syndrome and papillary thyroid carcinoma. As a rare occurrence, the N14 Fab is N-glycosylated at Asn26L at the onset of the VL1 antigen-binding loop, with the α-1-6 core fucosylated complex glycan facing out of the L1 complementarity-determining region...
December 1, 2016: Acta Crystallographica. Section D, Structural Biology
https://www.readbyqxmd.com/read/27900432/novel-boronate-material-affords-efficient-enrichment-of-glycopeptides-by-synergized-hydrophilic-and-affinity-interactions
#9
Jianying Chen, Xiaohu Li, Mengyu Feng, Kun Luo, Juan Yang, Bo Zhang
Development of novel materials for enrichment of glycopeptides is the key to a comprehensive analysis of the glycoproteome, which is closely related to several major diseases and biomarker findings. We synthesized phenylboronic acid (PBA) bound to SiO2 microspheres by a thiol-ene click chemistry method (this material was denoted as click PBA) and used it to separate cis-diol-containing molecules and enrich glycopeptides in hydrophilic interaction chromatography mode. Successful preparation of click PBA was confirmed by elemental analysis, X-ray photoelectron spectroscopy, N2 adsorption-desorption isotherms, and high-resolution scanning electron microscopy...
January 2017: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/27900429/highly-selective-sio2-nh2-tio2-hollow-microspheres-for-simultaneous-enrichment-of-phosphopeptides-and-glycopeptides
#10
Dongpo Xu, Guoquan Yan, Mingxia Gao, Chunhui Deng, Xiangmin Zhang
Glycosylation and phosphorylation as the commonest and most important posttranslational modifications of proteins play critical roles in biological processes. Specific and sensitive strategies have been developed to identify the glycosylation and phosphorylation of proteins by mass spectrometry but most of these methods have mainly focused on enriching glycopeptides or phosphopeptides separately, and few of them can enrich both of them. In this work, highly selective SiO2-NH2@TiO2 hollow microspheres were designed and synthesized for the simultaneous selective enrichment of both phosphopeptides and glycopeptides...
November 29, 2016: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/27801339/-the-prevalence-and-clinical-features-of-fulminant-type-1-diabetes
#11
Z Q Li, J P Zhang
Objective: To characterize the clinic features of fulminant type 1 diabetes mellitus(FT1DM). Methods: It was a retrospective study analyzing the clinical and laboratory data of patients diagnosed as FT1DM and type 1 diabetes in the Department of Endocrinology in China-Japan Friendship Hospital from January 2011 to November 2015. Results: A total of 125 newly diagnosed type 1 diabetic patients were included in the study, 14 of them (11.2%) met with the criteria of FT1DM. The age at onset was (35.8±8.3) years...
November 1, 2016: Zhonghua Nei Ke za Zhi [Chinese Journal of Internal Medicine]
https://www.readbyqxmd.com/read/27783390/age-and-sex-distributions-of-age-related-biomarker-values-in-healthy-older-adults-from-the-long-life-family-study
#12
Paola Sebastiani, Bharat Thyagarajan, Fangui Sun, Lawrence S Honig, Nicole Schupf, Stephanie Cosentino, Mary F Feitosa, Mary Wojczynski, Anne B Newman, Monty Montano, Thomas T Perls
OBJECTIVES: To determine reference values for laboratory tests in individuals aged 85 and older. DESIGN: Cross-sectional cohort study. SETTING: International. PARTICIPANTS: Long Life Family Study (LLFS) participants (N~5,000, age: range 25-110, median 67, 45% male). MEASUREMENTS: Serum biomarkers were selected based on association with aging-related diseases and included complete blood count, lipids (triglycerides, high-density lipoprotein cholesterol, low-density lipoprotein cholesterol, total cholesterol), 25-hydroxyvitamin D2 and D3, vitamin D epi-isomer, diabetes mellitus-related biomarkers (adiponectin, insulin, insulin-like growth factor 1, glucose, glycosylated hemoglobin, soluble receptor for advanced glycation endproduct), kidney disease-related biomarkers (albumin, creatinine, cystatin), endocrine biomarkers (dehydroepiandrosterone, sex-hormone binding globulin, testosterone), markers of inflammation (interleukin 6, high-sensitivity C-reactive protein, N-terminal pro b-type natriuretic peptide), ferritin, and transferrin...
November 2016: Journal of the American Geriatrics Society
https://www.readbyqxmd.com/read/27782759/zinc-supplementation-alleviates-hyperglycemia-and-associated-metabolic-abnormalities-in-streptozotocin-induced-diabetic-rats
#13
Susmita Barman, Krishnapura Srinivasan
The cause and effect relationship between diabetes and zinc is complex and unclear. This animal study has examined the potential of zinc supplementation in beneficial modulating hyperglycemia, insulin secretion, and metabolic abnormalities associated with diabetes. The study was conducted in streptozotocin-induced diabetic rats. Groups of hyperglycemic rats were subjected to dietary interventions for 6 weeks with zinc supplementation (5 times and 10 times the normal level). Supplemental-zinc-fed diabetic groups showed significant control on hyperglycemia and hypoinsulinemia...
December 2016: Canadian Journal of Physiology and Pharmacology
https://www.readbyqxmd.com/read/27775236/half-life-extension-of-biopharmaceuticals-using-chemical-methods-alternatives-to-pegylation
#14
REVIEW
Søren B van Witteloostuijn, Søren L Pedersen, Knud J Jensen
Peptides and proteins constitute a vast pool of excellent drug candidates. Evolution has equipped these molecules with superior drug-like properties such as high specificity and potency. However, native peptides and proteins suffer from an inadequate pharmacokinetic profile, and their outstanding pharmacological potential can only be realized if this issue is addressed during drug development. To overcome this challenge, a variety of half-life extension techniques relying on covalent chemical modification have been developed...
November 21, 2016: ChemMedChem
https://www.readbyqxmd.com/read/27766790/risk-factors-for-the-development-and-progression-of-diabetic-kidney-disease-in-patients-with-type-2-diabetes-mellitus-and-advanced-diabetic-retinopathy
#15
Kyung Jin Yun, Hye Ji Kim, Mee Kyoung Kim, Hyuk Sang Kwon, Ki Hyun Baek, Young Jung Roh, Ki Ho Song
BACKGROUND: Some patients with type 2 diabetes mellitus (T2DM) do not develop diabetic kidney disease (DKD) despite the presence of advanced diabetic retinopathy (DR). We aimed to investigate the presence of DKD and its risk factors in patients with T2DM and advanced DR. METHODS: We conducted a cross-sectional study in 317 patients with T2DM and advanced DR. The phenotypes of DKD were divided into three groups according to the urine albumin/creatinine ratio (uACR, mg/g) and estimated glomerular filtration rate (eGFR, mL/min/1...
December 2016: Diabetes & Metabolism Journal
https://www.readbyqxmd.com/read/27766215/pegylated-human-serum-albumin-review-of-pegylation-purification-and-characterization-methods
#16
REVIEW
Parvin Akbarzadehlaleh, Mona Mirzaei, Mahdiyeh Mashahdi-Keshtiban, Karim Shamsasenjan, Hamidreza Heydari
Human serum albumin (HSA) is a non-glycosylated, negatively charged protein (Mw: about 65-kDa) that has one free cystein residue (Cys 34), and 17 disulfide bridges that these bridges have main role in its stability and longer biological life-time (15 to 19 days). As HSA is a multifunctional protein, it can also bind to other molecules and ions in addition to its role in maintaining colloidal osmotic pressure (COP) in various diseases. In critical illnesses changes in the level of albumin between the intravascular and extravascular compartments and the decrease in its serum concentration need to be compensated using exogenous albumin; but as the size of HSA is an important parameter in retention within the circulation, therefore increasing its molecular size and hydrodynamic radius of HSA by covalent attachment of poly ethylene glycol (PEG), that is known as PEGylation, provides HSA as a superior volume expander that not only can prevent the interstitial edema but also can reduce the infusion frequency...
September 2016: Advanced Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/27688688/incidence-of-insulin-resistance-and-diabetes-in-patients-with-portosystemic-shunts-without-liver-dysfunction
#17
Ying Li, Gao Yang, Jinwei Qiang, Songqi Cai, Hao Zhou
OBJECTIVE: To investigate the incidence of insulin resistance (IR) and diabetes in patients with chronic hepatic schistosomiasis japonica (HSJ) and portosystemic shunts (PSS). METHODS: Pre- and post-contrasted computed tomography images obtained from patients with HSJ and control subjects were reviewed by two radiologists who identified and graded any shunting vessels. Anthropometric measurements, hepatic enzymes, lipid profile, blood levels of albumin, glucose, insulin and homeostasis model assessment (HOMA-2) index of all participants were also assessed...
September 29, 2016: Journal of International Medical Research
https://www.readbyqxmd.com/read/27646713/changes-in-the-expression-of-n-and-o-glycopeptides-in-patients-with-colorectal-cancer-and-hepatocellular-carcinoma-quantified-by-full-ms-scan-ft-icr-and-multiple-reaction-monitoring
#18
Petra Darebna, Petr Novak, Radek Kucera, Ondrej Topolcan, Miloslav Sanda, Radoslav Goldman, Petr Pompach
: Alternations in the glycosylation of proteins have been described in connection with several cancers, including hepatocellular carcinoma (HCC) and colorectal cancer. Analytical tools, which use combination of liquid chromatography and mass spectrometry, allow precise and sensitive description of these changes. In this study, we use MRM and FT-ICR operating in full-MS scan, to determine ratios of intensities of specific glycopeptides in HCC, colorectal cancer, and liver metastasis of colorectal cancer...
September 16, 2016: Journal of Proteomics
https://www.readbyqxmd.com/read/27624410/interaction-between-mimic-lipid-membranes-and-acylated-and-nonacylated-cyanidin-and-its-bioactivity
#19
Paulina Strugała, Anna Dudra, Janina Gabrielska
We investigated the effects of acylated cyanidin-3-O-β-(6″-O-E-p-coumaroyl-sambubioside)-5-O-β-glucoside (C3-cs-5G) and nonacylated cyanidin, cyanidin-3,5-di-O-β-glucoside (C3,5G) and cyanidin-3-O-β-glucoside (C3G), on cell-mimic membranes (MM) that reflected the membrane lipid composition of tumor cells. The relationship between structural derivatives of cyanidin (Cy-d), membrane interactivity, their antioxidant activity, and interaction with albumin were characterized. Studies showed that Cy-d caused an increase in packing order mainly in the hydrophilic region of the membranes...
October 5, 2016: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/27582495/strong-enrichment-of-aromatic-residues-in-binding-sites-from-a-charge-neutralized-hyperthermostable-sso7d-scaffold-library
#20
Michael W Traxlmayr, Jonathan D Kiefer, Raja R Srinivas, Elisabeth Lobner, Alison W Tisdale, Naveen K Mehta, Nicole J Yang, Bruce Tidor, K Dane Wittrup
The Sso7d protein from the hyperthermophilic archaeon Sulfolobus solfataricus is an attractive binding scaffold because of its small size (7 kDa), high thermal stability (Tm of 98 °C), and absence of cysteines and glycosylation sites. However, as a DNA-binding protein, Sso7d is highly positively charged, introducing a strong specificity constraint for binding epitopes and leading to nonspecific interaction with mammalian cell membranes. In the present study, we report charge-neutralized variants of Sso7d that maintain high thermal stability...
October 21, 2016: Journal of Biological Chemistry
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