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https://www.readbyqxmd.com/read/29345972/trypsin-inhibitors-from-cajanus-cajan-and-phaseolus-limensis-possess-antioxidant-anti-inflammatory-and-antibacterial-activity
#1
Tooba Naz Shamsi, Romana Parveen, Sumbul Afreen, Mudasser Azam, Priyankar Sen, Yamini Sharma, Qazi Mohd Rizwanul Haque, Tasneem Fatma, Nikhat Manzoor, Sadaf Fatima
Protease inhibitors are one of the most promising and investigated subjects for their role in pharmacognostic and pharmacological studies. This study aimed to investigate antioxidant, anti-inflammatory, and antimicrobial activities of trypsin inhibitors (TIs) from two plant sources (Cajanus cajan and Phaseolus limensis). TI was purified from C. cajan (PUSA-992) by ammonium sulfate precipitation followed by ion exchange chromatography. TI from Phaseolus limensis (lima bean trypsin inhibitor; LBTI) was procured from Sigma-Aldrich, St...
January 18, 2018: Journal of Dietary Supplements
https://www.readbyqxmd.com/read/29345313/a-microfluidic-chip-with-a-staircase-ph-gradient-generator-a-packed-column-and-a-fraction-collector-for-chromatofocusing-of-proteins
#2
Hoon Suk Rho, Alexander Thomas Hanke, Marcel Ottens, Han Gardeniers
A microfluidic device for pH gradient chromatofocusing is presented, which performs creation of a micro-column, pH gradient generation, and fraction collection in a single device. Using a sieve micro-valve, anion exchange particles were packed into a microchannel in order to realize a solid-phase absorption column. To fractionate proteins according to their isoelectric points, elution buffer solutions with a stepwise pH gradient were prepared in 16 parallel mixing reactors and flowed through the micro-column, wherein a protein mixture was previously loaded...
January 18, 2018: Electrophoresis
https://www.readbyqxmd.com/read/29345310/a-potential-role-of-knockout-serum-replacement-as-a-porcine-follicular-fluid-substitute-for-in-vitro-maturation-lipid-metabolism-approach
#3
Jun-Xue Jin, Sanghoon Lee, Erif Maha Nugraha Setyawan, Anukul Taweechaipaisankul, Geon A Kim, Ho Jae Han, Curie Ahn, Byeong Chun Lee
The use of supplements, such as porcine follicular fluid (pFF), fetal bovine serum and human serum albumin are widely used during in vitro maturation (IVM) in different species but these supplements contain undefined components that cause technical difficulties in standardization and influence the efficiency of IVM. Knockout serum replacement (KSR) is a synthetic protein source, without any undefined growth factors or differentiation-promoting factors. Therefore, it is feasible to use KSR as a defined component for avoiding effects of unknown molecules in an IVM system...
January 18, 2018: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29340282/should-vasoconstrictors-be-considered-in-a-cirrhotic-patient-with-acute-non-variceal-upper-gastrointestinal-bleeding
#4
Xingshun Qi, Hongyu Li, Xiaodong Shao, Zhendong Liang, Xia Zhang, Ji Feng, Hao Lin, Xiaozhong Guo
Varices manifest as a major etiology of upper gastrointestinal bleeding in patients with chronic liver diseases, such as liver cirrhosis and hepatocellular carcinoma. By contrast, non-variceal upper gastrointestinal bleeding is rare. Pharmacological treatment differs between patients with variceal and non-variceal bleeding. Vasoconstrictors are recommended for the treatment of variceal bleeding, rather than non-variceal bleeding. In contrast, pump proton inhibitors are recommended for the treatment of non-variceal bleeding, rather than variceal bleeding...
December 2017: Journal of Translational Internal Medicine
https://www.readbyqxmd.com/read/29316942/comparison-of-membrane-affinity-based-method-with-size-exclusion-chromatography-for-isolation-of-exosome-like-vesicles-from-human-plasma
#5
Ruzena Stranska, Laurens Gysbrechts, Jens Wouters, Pieter Vermeersch, Katarzyna Bloch, Daan Dierickx, Graciela Andrei, Robert Snoeck
BACKGROUND: Plasma extracellular vesicles (EVs), especially exosome-like vesicles (ELVs), are being increasingly explored as a source of potential noninvasive disease biomarkers. The discovery of blood-based biomarkers associated with ELVs requires methods that isolate high yields of these EVs without significant contamination with highly abundant plasma proteins and lipoproteins. The rising interest in blood-based EV-associated biomarkers has led to the rapid development of novel EV isolation methods...
January 9, 2018: Journal of Translational Medicine
https://www.readbyqxmd.com/read/29316552/arteriovenous-sphingosine-1-phosphate-differences-across-selected-organs-of-the-rat
#6
Monika Książek, Urszula Baranowska, Adrian Chabowski, Marcin Baranowski
BACKGROUND/AIMS: Sphingosine-1-phosphate (S1P) is a bioactive lysosphingolipid that is found in high concentration in plasma. The majority of plasma S1P is transported bound to HDL and albumin. Although the major sources of circulating S1P have been identified, it remains obscure what is the contribution of different organs/tissues to S1P homeostasis in plasma. Answering this question was the major aim of the present study. METHODS: The experiment was performed on male Wistar rats from whom blood samples were taken from either: 1) femoral vein, right ventricle of the heart, and abdominal aorta (n=15) or 2) hepatic vein, portal vein, and abdominal aorta (n=11)...
December 22, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29311474/enantioselective-monoclonal-antibodies-for-detecting-ketamine-to-crack-down-on-illicit-use
#7
Izumi Morita, Hiroyuki Oyama, Yui Kanda, Mayumi Yasuo, Aya Ito, Masahiro Toyota, Yoshinori Hayashi, Takeshi Yokoyama, Norihiro Kobayashi
Ketamine (KT) is a chiral anesthetic agent, (R)- and (S)-enantiomers of which differ in their pharmacological properties. KT has become one of the most commonly used illicit drugs in the world, thus, rapid and feasible on-site testing is required to crack down on the illicit use. Although immunochemical approach with specific antibodies is promising for this purpose, in practice anti-KT antibodies are difficult to obtain. We here disclose generation of monoclonal antibodies against KT. Mice were immunized with either (a) commercially-available or (b) in-house-prepared KT-albumin conjugates...
2018: Biological & Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/29277067/biochemical-composition-of-fetal-fluids-in-at-term-normal-developed-healthy-viable-dogs-and-preliminary-data-from-pathologic-littermates
#8
M C Veronesi, B Bolis, M Faustini, A Rota, A Mollo
A proper canine neonatal assistance, required to reduce the high perinatal loss rate, imply a full knowledge about the fetal-to-neonatal physiology. Because fetal fluids play an important role throughout mammals pregnancy, influencing fetal growth and development, fetal well being, and contributing to guarantee the most suitable environment for the fetus, the knowledge about fetal fluids biochemical composition is of major importance. At first, the biochemical composition of fetal fluids collected by normal developed, healthy and viable newborns, is necessary to depict the normal features, and represent the first step for the further detection of abnormalities associated to fetal/neonatal distress and useful for the early identification of newborns needing special attention, immediately after birth...
December 14, 2017: Theriogenology
https://www.readbyqxmd.com/read/29259555/membrane-transporters-for-bilirubin-and-its-conjugates-a-systematic-review
#9
REVIEW
Jovana Čvorović, Sabina Passamonti
Background: Bilirubin is a highly-hydrophobic tetrapyrrole which binds to plasma albumin. It is conjugated in the liver to glucuronic acid, and the water-soluble glucuronides are excreted in urine and bile. The membrane transporters of bilirubin diglucuronide are well-known. Still undefined are however the transporters performing the uptake of bilirubin from the blood into the liver, a process known to be fast and not rate-limited. The biological importance of this process may be appraised by considering that in normal adults 200-300 mg of bilirubin are produced daily, as a result of the physiologic turnover of hemoglobin and cellular cytochromes...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/29214397/xanthine-oxidase-and-uric-acid-as-independent-predictors-of-albuminuria-in-patients-with-diabetes-mellitus-type-2
#10
Aleksandra Klisic, Gordana Kocic, Nebojsa Kavaric, Milovan Jovanovic, Verica Stanisic, Ana Ninic
Xanthine oxidase (XO) is an important enzyme responsible for conversion of purine bases to uric acid and represents the major source of reactive oxygen species (ROS) production in circulation. Since pathophysiological mechanism of the relationship between XO activity and urinary albumin excretion (UAE) rate is not well elucidated, we aimed to investigate this association in patients with diabetes mellitus type 2 (DM2). In addition, we wanted to examine whether uric acid itself plays an independent role in albuminuria onset and progression, or it is only mediated through XO activity...
December 6, 2017: Clinical and Experimental Medicine
https://www.readbyqxmd.com/read/29183573/age-dependent-physiological-dynamics-in-acid-base-balance-electrolytes-and-blood-metabolites-in-growing-goats
#11
S Redlberger, S Fischer, H Köhler, R Diller, P Reinhold
There is a paucity of published data reporting acid-base equilibrium in goats, and no information is available on how the acid-base complexity changes when suckling goat kids become ruminants. The aims of this study were to evaluate young healthy goats for age-related changes in serum proteins, metabolites, and electrolytes; differences in results when the Henderson-Hasselbalch equation or strong ion approaches were used were also assessed. To assess biological variability and reproducibility, two consecutive long-term studies, each lasting from the 6th to 56th week of life (wl), were performed in 15 (Study 1) and 10 (Study 2) animals...
November 2017: Veterinary Journal
https://www.readbyqxmd.com/read/29170102/pretreatment-albumin-to-globulin-ratio-can-serve-as-a-prognostic-marker-in-human-cancers-a-meta-analysis
#12
REVIEW
Guo-Yue Lv, Lin An, Xiao-Dong Sun, Yue-Lei Hu, Da-Wei Sun
PURPOSE: Our meta-analysis aims to investigate the prognostic role of pretreatment albumin to globulin ratio (AGR) in human cancers. METHODS: Available databases were searched up to Sept 25th, 2017. Pooled hazard ratios (HRs) and risk ratio (RRs) with their corresponding 95% confidence intervals (CIs) were used to assess the prognostic impact of AGR on overall survival (OS)/disease-free survival (DFS)/progression-free survival (PFS) and 5-year mortality respectively...
November 20, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/29152581/the-candida-albicans-tor-activating-gtpases-gtr1-and-rhb1-coregulate-starvation-responses-and-biofilm-formation
#13
Peter R Flanagan, Ning-Ning Liu, Darren J Fitzpatrick, Karsten Hokamp, Julia R Köhler, Gary P Moran
Target of rapamycin complex 1 (TORC1) is an essential regulator of metabolism in eukaryotic cells and in the fungal pathogen Candida albicans regulates morphogenesis and nitrogen acquisition. Gtr1 encodes a highly conserved GTPase that in Saccharomyces cerevisiae regulates nitrogen sensing and TORC1 activation. Here, we characterize the role of C. albicans GTR1 in TORC1 activation and compare it with the previously characterized GTPase Rhb1. A homozygous gtr1/gtr1 mutant exhibited impaired TORC1-mediated phosphorylation of ribosomal protein S6 and increased susceptibility to rapamycin...
November 2017: MSphere
https://www.readbyqxmd.com/read/29133805/xanthine-oxidoreductase-activity-is-associated-with-serum-uric-acid-and-glycemic-control-in-hemodialysis-patients
#14
Ayumi Nakatani, Shinya Nakatani, Eiji Ishimura, Takayo Murase, Takashi Nakamura, Mari Sakura, Yu Tateishi, Akihiro Tsuda, Masafumi Kurajoh, Katsuhito Mori, Masanori Emoto, Masaaki Inaba
Xanthine oxidoreductase activity (XOR-a) plays an important role as a pivotal source of reactive oxygen species. In the present study, we investigated factors associated with plasma XOR-a in 163 hemodialysis patients (age 67.3 ± 10.9 years; 89 males and 74 females), using a newly established, highly-sensitive assay based on [(13)C2,(15)N2] xanthine and liquid chromatography/triple quadrupole mass spectrometry. Plasma glucose and serum uric acid levels correlated significantly and positively with plasma XOR-a...
November 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29118354/apolipoprotein-m-mediates-sphingosine-1-phosphate-efflux-from-erythrocytes
#15
Pernille M Christensen, Markus H Bosteen, Stefan Hajny, Lars B Nielsen, Christina Christoffersen
Sphingosine-1-phosphate (S1P) is a bioactive lipid implicated in e.g. angiogenesis, lymphocyte trafficking, and endothelial barrier function. Erythrocytes are a main source of plasma S1P together with platelets and endothelial cells. Apolipoprotein M (apoM) in HDL carries 70% of plasma S1P, whereas 30% is carried by albumin. The current aim was to investigate the role of apoM in export of S1P from human erythrocytes. Erythrocytes exported S1P more efficiently to HDL than to albumin, particularly when apoM was present in HDL...
November 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29084421/hepatogenic-differentiation-capacity-of-human-wharton-s-jelly-mesenchymal-stem-cell-in-a-co-culturing-system-with-endothelial-cells-in-matrigel-collagen-scaffold-in-the-presence-of-fetal-liver-extract
#16
Zahra Khodabandeh, Zahra Vojdani, Tahereh Talaei-Khozani, Soghra Bahmanpour
Background: Human Wharton's jelly mesenchymal stem cells (HWJMSCs) isolated from medical waste product can be considered as an accessible source of cells in regenerative medicine. Stem cell-derived hepatocytes have poor function and need appropriate niche to reconstruct the liver structure. Therefore, we attempted to find a novel approach in differentiating HWJMSCs into functional hepatic cells using 3D culture conditions and liver extract that recapitulates vital stage in liver development...
October 31, 2017: International Journal of Stem Cells
https://www.readbyqxmd.com/read/29083487/hepatoprotective-effect-of-albumin-peptides-from-corn-germ-meal-on-chronic-alcohol-induced-liver-injury-in-mice
#17
Yali Yu, Lijun Wang, Ying Wang, Dingbo Lin, Jingbo Liu
Despite the fact that chronic and excessive alcohol consumption is a risk factor for many chronic diseases, such as a fatty liver disease, the addictive power of alcohol is strong worldwide. Corn germ meal albumin peptides (CGMAPs), by-products in corn germ oil industry have often been considered as wastes disposal in food processing. The aim of this study was to investigate the hepatoprotective effect of CGMAPs on chronic alcohol-induced liver injury in a mouse model. The corn germ meal-derived albumin was enzymatically hydrolysed, and the albumin peptides fractions (APFs) with Mw < 1 kDa (APF4) was collected...
December 2017: Journal of Food Science
https://www.readbyqxmd.com/read/29080380/nutritional-risk-factors-predict-severe-acute-graft-versus-host-disease-and-early-mortality-in-pediatric-allogeneic-hematopoietic-stem-cell-transplantation
#18
Eva H Kerby, Yimei Li, Kelly D Getz, Elizabeth C Smith, Laura T Smith, Nancy J Bunin, Alix E Seif
BACKGROUND: Malnutrition is a pro-inflammatory state, yet data on nutritional risk factors and development of acute graft-versus-host disease (aGVHD) are extremely limited. PROCEDURE: We conducted a retrospective cohort analysis of pediatric patients up to age 21 years who underwent allogeneic hematopoietic stem cell transplantation (HSCT) at the Children's Hospital of Philadelphia from January 2011 to September 2014 to determine whether malnutrition was associated with development of aGVHD and early mortality...
October 28, 2017: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/29069090/the-meld-plus-a-generalizable-prediction-risk-score-in-cirrhosis
#19
Uri Kartoun, Kathleen E Corey, Tracey G Simon, Hui Zheng, Rahul Aggarwal, Kenney Ng, Stanley Y Shaw
BACKGROUND AND AIMS: Accurate assessment of the risk of mortality following a cirrhosis-related admission can enable health-care providers to identify high-risk patients and modify treatment plans to decrease the risk of mortality. METHODS: We developed a post-discharge mortality prediction model for patients with a cirrhosis-related admission using a population of 314,292 patients who received care either at Massachusetts General Hospital (MGH) or Brigham and Women's Hospital (BWH) between 1992 and 2010...
2017: PloS One
https://www.readbyqxmd.com/read/29067792/enhanced-hepatogenic-differentiation-of-bone-marrow-derived-mesenchymal-stem-cells-on-liver-ecm-hydrogel
#20
Bo Wang, Wuwei Li, Derrick Dean, Manoj K Mishra, Kennedy S Wekesa
BM-MSC is a promising alternative cell source to primary hepatocytes because of their ability to differentiate into hepatocyte-like cells. However, their inability to differentiate efficiently and potential to turn into myofibroblasts restrict their applications. This study developed a plate coating from the liver extracellular matrix (ECM) and investigated its ability in facilitating the BM-MSCs proliferation, hepatic differentiation, and hepatocyte-specific functions during in vitro culture. After 28-day culture, BM-MSCs on the ECM coating showed hepatocyte-like morphology, and certain cells took up LDL...
October 25, 2017: Journal of Biomedical Materials Research. Part A
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