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fibrinogen gel electrophoresis

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https://read.qxmd.com/read/30658193/gpvi-surface-expression-and-signalling-pathway-activation-are-increased-in-platelets-from-obese-patients-elucidating-potential-anti-atherothrombotic-targets-in-obesity
#1
María N Barrachina, Aurelio M Sueiro, Irene Izquierdo, Lidia Hermida-Nogueira, Esteban Guitián, Felipe F Casanueva, Richard W Farndale, Masaaki Moroi, Stephanie M Jung, María Pardo, Ángel García
BACKGROUND AND AIMS: Platelets play a fundamental role in the increased atherothrombotic risk related to central obesity since they show hyperactivation and lower sensitivity to antiplatelet therapy in obese patients. The main goal of this study was to identify platelet biomarkers related to the risk of atherothrombosis in obese patients, confirm platelet activation levels in these patients, and identify altered activation pathways. METHODS: Platelets were obtained from cohorts of obese patients and age- and sex-matched lean controls...
December 25, 2018: Atherosclerosis
https://read.qxmd.com/read/30651846/differential-expression-of-serum-proteins-in-multiple-myeloma
#2
Tian-Ze Ma, Zhe Piao, Sheng-Yu Jin, Yong-Geun Kwak
The exact cause instigating multiple myeloma (MM) has not been fully elucidated, and the disease has a median survival of 6 months without any treatment. To identify potential biomarkers of MM, serum proteins reflecting alteration in their proteomes were analyzed in 6 patients with MM compared with 6 healthy controls using two-dimensional electrophoresis (2-DE) and matrix-assisted laser desorption/ionization time-of flight mass spectrometry. The most notable differentially expressed proteins were validated by immunoblotting and changes in mRNA expression were evaluated by reverse transcription-quantitative polymerase chain reaction (RT-qPCR)...
January 2019: Experimental and Therapeutic Medicine
https://read.qxmd.com/read/30625358/post-translational-modifications-on-glycated-plasma-fibrinogen-a-physicochemical-insight
#3
Shahida Perween, Minhal Abidi, Abul Faiz Faizy, Moinuddin
Methylglyoxal (MGO) is a highly reactive α-oxoaldehyde. It reacts with basic amino acids of the proteins to form advanced glycation end products (AGEs). Fibrinogen is a soluble multi-domain glycoprotein whose major function is to form fibrin clots that prevent blood loss upon vascular injury. In the present study, fibrinogen was incubated with varying concentration of MGO for 7 days followed by its biochemical and biophysical analysis. Glycated plasma fibrinogen (MGO-fibrinogen); exhibited hyperchromicity, a drop in tryptophan and intrinsic fluorescence, augmented AGE-specific fluorescence and melting temperature...
January 5, 2019: International Journal of Biological Macromolecules
https://read.qxmd.com/read/30605604/mixed-polymer-brushes-for-the-selective-capture-and-release-of-proteins
#4
Anna Bratek-Skicki, Vanina Cristaudo, Jérôme Savocco, Sylvain Nootens, Pierre Morsomme, Arnaud Delcorte, Christine Dupont-Gillain
Selective protein adsorption is a key challenge for the development of biosensors, separation technologies and smart materials for medicine and biotechnologies. In this work, a strategy was developed for selective protein adsorption, based on the use of mixed polymer brushes composed of poly(ethylene oxide) (PEO), a protein-repellent polymer, and poly(acrylic acid) (PAA), a weak polyacid whose conformation changes according to the pH and ionic strength of the surrounding medium. A mixture of lysozyme (Lyz), human serum albumin (HSA) and human fibrinogen (Fb) was used to demonstrate the success of this strategy...
January 3, 2019: Biomacromolecules
https://read.qxmd.com/read/30588249/proteomic-identification-of-plasma-biomarkers-in-children-and-adolescents-with-recurrent-hodgkin-lymphoma
#5
Ombretta Repetto, Lara Mussolin, Caterina Elia, Lia Martina, Maurizio Bianchi, Salvatore Buffardi, Alessandra Sala, Roberta Burnelli, Maurizio Mascarin, Valli De Re
The treatment of paediatric Hodgkin lymphoma (HL) has steadily improved over the years, so that 10- years survival exceed 80%. The purpose of this study was to identify prognostic markers for relapsed HL that might contribute to optimize therapeutic approaches. To this aim we retrospectively analysed differential protein expression profiles obtained from plasma of children/adolescents with HL (age ranging from 10 to 18 years) collected at diagnosis. We examined the protein profiles of 15 HL relapsed (R) patients compared with 14 HL not relapsed (NR) patients treated with the same LH-2004 protocol...
2018: Journal of Cancer
https://read.qxmd.com/read/30561017/mast-cell-chymase-degrades-fibrinogen-and-fibrin
#6
T Lipitsä, H Siiskonen, A Naukkarinen, I T Harvima
BACKGROUND: The accumulation of immunoreactants and fibrinoid necrosis of postcapillary vessel walls are common pathological features of cutaneous immune complex vasculitis. In more advanced lesions, these immunoreactants are subject to proteolysis. Mast cell chymase is a powerful enzyme that can degrade several substrates including the extracellular matrix. Heparin can influence the catalytic properties of chymase. OBJECTIVES: We aimed to study the effects of recombinant human (rh) chymase on fibrinogen, coagulation and fibrinolysis, and to relate these effects to the vasculitis pathogenesis...
December 18, 2018: British Journal of Dermatology
https://read.qxmd.com/read/30555396/plasma-protein-pattern-correlates-with-pain-intensity-and-psychological-distress-in-women-with-chronic-widespread-pain
#7
Karin Wåhlén, Bijar Ghafouri, Nazdar Ghafouri, Björn Gerdle
Objectives: Although generalized muscle pain, tiredness, anxiety, and depression are commonly present among chronic widespread pain (CWP) patients, the molecular mechanisms behind CWP are not fully elucidated. Moreover, the lack of biomarkers often makes diagnosis and treatment problematic. In this study, we investigated the correlation between pain intensity, psychological distress, and plasma proteins among CWP patients and controls (CON). Methods: The plasma proteome of CWP ( n = 15) and CON ( n = 23) was analyzed using two-dimensional gel electrophoresis...
2018: Frontiers in Psychology
https://read.qxmd.com/read/30425479/protein-nanoparticles-with-ligand-binding-and-enzymatic-activities
#8
Olga V Morozova, Elizaveta R Pavlova, Dmitry V Bagrov, Nikolay A Barinov, Kirill A Prusakov, Elena I Isaeva, Victor V Podgorsky, Dmitry V Basmanov, Dmitry V Klinov
Purpose: To develop a general method for NP fabrication from various proteins with maintenance of biological activity. Methods: A novel general approach for producing protein nanoparticles (NP) by nanoprecipitation of the protein solutions in 1,1,1,3,3,3-hexafluoroisopropanol is described. Protein NP sizes and shapes were analyzed by dynamic light scattering, scanning electron and atomic force microscopy (SEM and AFM). Chemical composition of the NP was confirmed using ultraviolet (UV) spectroscopy, energy-dispersive X-ray spectroscopy (EDX) and circular dichroism (CD)...
2018: International Journal of Nanomedicine
https://read.qxmd.com/read/30412834/a-novel-fibrinogen-gamma-chain-mutation-p-cys165arg-causes-disruption-of-the-%C3%AE-165cys-b%C3%AE-227cys-disulfide-bond-and-ultimately-leads-to-hypofibrinogenemia
#9
WeiJie Zhou, Meiling Luo, Jie Yan, LiQun Xiang, AiQiu Wei, Xuelian Deng, Lin Liao, Peng Cheng, Donghong Deng, Faquan Lin
BACKGROUND: Congenital hypofibrinogenemia is a type of hereditary disease characterized by impaired fibrinogen synthesis and/or secretion induced by mutations in the fibrinogen gene. OBJECTIVES: We investigated the phenotypes, genotypes, and pathogenesis of congenital hypofibrinogenemia in an affected family. PATIENTS/METHODS: The proband had a risk of bleeding; therefore, conventional coagulation screening was performed for the proband and her family members...
November 2, 2018: Thrombosis Research
https://read.qxmd.com/read/30396985/hsp27-aldh6a1-and-prohibitin-act-as-a-trio-biomarker-to-predict-survival-in-late-metastatic-prostate-cancer
#10
Sung Yong Cho, Suki Kang, Dong Su Kim, Hyung Jin Na, Ye Jin Kim, Young Deuk Choi, Nam Hoon Cho
BACKGROUND/AIM: The aim of this study was to evaluate the usefulness of biomarkers related to prostate cancer metastasis and survival of patients. MATERIALS AND METHODS: Proteomics were used for detecting significant differences in protein expression among normal prostate, localized prostate cancer and metastatic cancer using 2-dimensional gel electrophoresis and mass spectrometry. mRNA expression was then examined in order to further confirm significant differences in protein expression...
November 2018: Anticancer Research
https://read.qxmd.com/read/30266682/proteomic-profiling-of-exosomal-proteins-for-blood-based-biomarkers-in-parkinson-s-disease
#11
Yuki Kitamura, Midori Kojima, Toshihito Kurosawa, Ryogen Sasaki, Sahoko Ichihara, Yusuke Hiraku, Hidekazu Tomimoto, Mariko Murata, Shinji Oikawa
Parkinson's disease (PD) is the second most common progressive neurodegenerative disorder and is characterized by loss of dopaminergic neurons. Biomarkers for tracking disease progression are useful indicators of the pathological conditions or the effects of therapeutic interventions on disease progression, but there are currently no known biomarkers in the blood that correlate with the progression of PD. Several studies have suggested that exosomes reflect intracellular changes that occur in response to pathological conditions and are an effective source of biomarkers for disease progression...
November 10, 2018: Neuroscience
https://read.qxmd.com/read/30170966/differential-expressions-of-plasma-proteins-in-systemic-lupus-erythematosus-patients-identified-by-proteomic-analysis
#12
Rashmi Madda, Shih-Chang Lin, Wei-Hsin Sun, Shir-Ly Huang
INTRODUCTION: Systemic lupus erythematosus (SLE) is a chronic and complex autoimmune disease with a wide range of clinical manifestations that affects multiple organs and tissues. Therefore the differential expression of proteins in the serum/plasma have potential clinical applications when treating SLE. METHODS: We have compared the plasma/serum protein expression patterns of nineteen active SLE patients with those of twelve age-matched and gender-matched healthy controls by proteomic analysis...
March 29, 2018: Journal of Microbiology, Immunology, and Infection, Wei Mian Yu Gan Ran za Zhi
https://read.qxmd.com/read/29963784/potential-plasma-biomarkers-of-bladder-cancer-identified-by-proteomic-analysis-a-pilot-study
#13
Anna Lemańska-Perek, Jolanta Lis-Kuberka, Adam Lepczyński, Alicja Dratwa-Chałupnik, Krzysztof Tupikowski, Iwona Kątnik-Prastowska, Małgorzata Ożgo
BACKGROUND: Bladder cancer diagnosis and surveillance includes cystoscopy and cytology. New methods for the detection of bladder cancer are needed, because cystoscopy is invasive and expensive, and because urine cytology is not sensitive enough. OBJECTIVES: The aim of the study was to select potential plasma protein markers for bladder cancer which could be useful in developing a specific laboratory test to improve diagnosis and to establish treatment strategies in order to prevent the recurrence of the disease...
July 2, 2018: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
https://read.qxmd.com/read/29872262/effects-of-hemocoagulase-agkistrodon-on-the-coagulation-factors-and-its-procoagulant-activities
#14
Haixin Li, Ying Huang, Xian Wu, Ting Wu, Ying Cao, Qimei Wang, Yuchang Qiu, Weiming Fu, Qun Zhang, Jianxin Pang
Objective: Hemocoagulase agkistrodon (HCA), a thrombin-like enzyme (TLE) from the venom of the Chinese moccasin snake ( Deinagkistrodon acutus ), has been used in clinical practice as a hemostatic compound. The aim of this study was to further investigate the pharmacological properties of HCA. Materials and methods: Sodium dodecyl sulfate or native polyacrylamide gel electrophoresis (SDS- or N-PAGE) as well as enzyme linked immunosorbent assays (ELISAs) were conducted to study the effects of HCA on the human plasma fibrinogen and prothrombin levels, as well as its in vitro interactions with some coagulation factors...
2018: Drug Design, Development and Therapy
https://read.qxmd.com/read/29544770/acclimation-to-cold-and-warm-temperatures-is-associated-with-differential-expression-of-male-carp-blood-proteins-involved-in-acute-phase-and-stress-responses-and-lipid-metabolism
#15
Mariola A Dietrich, Piotr Hliwa, Mikołaj Adamek, Dieter Steinhagen, Halina Karol, Andrzej Ciereszko
The environmental temperature affects plasma biochemical indicators, antioxidant status and hematological and immunological parameters in fish. So far, only single blood proteins have been identified in response to temperature changes. The aim of this study was to compare the proteome of carp blood plasma from males acclimated to warm (30 °C) and cold (10 °C) temperatures by two-dimensional differential gel electrophoresis followed by MALDI-TOF/TOF mass spectrometry. A total of 47 spots were found to be differentially regulated by temperature (>1...
May 2018: Fish & Shellfish Immunology
https://read.qxmd.com/read/29534707/putative-salivary-protein-biomarkers-for-the-diagnosis-of-oral-lichen-planus-a-case-control-study
#16
Sineepat Talungchit, Waranun Buajeeb, Chotima Lerdtripop, Rudee Surarit, Kongthawat Chairatvit, Sittiruk Roytrakul, Hiroaki Kobayashi, Yuichi Izumi, Siribang-On Piboonniyom Khovidhunkit
BACKGROUND: Salivary protein biomarkers for screening and diagnosis of oral lichen planus (OLP) are not well-defined. The objective of this study was to identify putative protein biomarkers for OLP using proteomic approaches. METHODS: Pooled unstimulated whole saliva was collected from five OLP patients and five healthy control participants. Saliva samples were then subjected to two-dimensional gel electrophoresis, followed by mass spectrometry to identify putative protein biomarkers...
March 13, 2018: BMC Oral Health
https://read.qxmd.com/read/29518939/quantitative-proteomic-approach-targeted-to-fibrinogen-%C3%AE-chain-in-tissue-gastric-carcinoma
#17
Ombretta Repetto, Stefania Maiero, Raffaella Magris, Gianmaria Miolo, Maria Rita Cozzi, Agostino Steffan, Vincenzo Canzonieri, Renato Cannizzaro, Valli De Re
Elevated plasma fibrinogen levels and tumor progression in patients with gastric cancer (GC) have been largely reported. However, distinct fibrinogen chains and domains have different effects on coagulation, inflammation, and angiogenesis. The aim of this study was to characterize fibrinogen β chain (FGB) in GC tissues. Retrospectively we analyzed the data of matched pairs of normal (N) and malignant tissues (T) of 28 consecutive patients with GC at diagnosis by combining one- and two-dimensional electrophoresis (1DE and 2DE) with immunoblotting and mass spectrometry together with two-dimensional difference in gel electrophoresis (2D-DIGE)...
March 7, 2018: International Journal of Molecular Sciences
https://read.qxmd.com/read/29332824/dithiothreitol-based-protein-equalization-technology-to-unravel-biomarkers-for-bladder-cancer
#18
J E Araújo, H López-Fernández, M S Diniz, Pedro M Baltazar, Luís Campos Pinheiro, Fernando Calais da Silva, Mylène Carrascal, Paula Videira, H M Santos, J L Capelo
This study aimed to assess the benefits of dithiothreitol (DTT)-based sample treatment for protein equalization to assess potential biomarkers for bladder cancer. The proteome of plasma samples of patients with bladder carcinoma, patients with lower urinary tract symptoms (LUTS) and healthy volunteers, was equalized with dithiothreitol (DTT) and compared. The equalized proteomes were interrogated using two-dimensional gel electrophoresis and matrix assisted laser desorption ionization time of flight mass spectrometry...
April 1, 2018: Talanta
https://read.qxmd.com/read/29312627/a-proteomic-approach-for-the-identification-of-biomarkers-in-endometrial-cancer-uterine-aspirate
#19
Blendi Ura, Lorenzo Monasta, Giorgio Arrigoni, Cinzia Franchin, Oriano Radillo, Isabel Peterlunger, Giuseppe Ricci, Federica Scrimin
Endometrial cancer arises from the endometrium. It has a slow progression and a reported survival rate of 75%. The identification of soluble biomarkers in the uterine aspirate may be very useful for its early diagnosis. Uterine aspirates from 10 patients with endometrial cancer and 6 non-endometrial cancer controls were analyzed by two-dimensional gel electrophoresis coupled with mass spectrometry and western blotting for data verification. A total of 25 proteins with fold change in %V ≥2 or ≤0.5 in intensity were observed to change significantly (P<0...
December 12, 2017: Oncotarget
https://read.qxmd.com/read/29301248/differences-in-the-plasma-proteome-of-patients-with-hypothyroidism-before-and-after-thyroid-hormone-replacement-a-proteomic-analysis
#20
Assim A Alfadda, Hicham Benabdelkamel, Afshan Masood, Anwar A Jammah, Aishah A Ekhzaimy
Thyroid hormone is a potent stimulator of metabolism, playing a critical role in regulating energy expenditure and in key physiological mechanisms, such as growth and development. Although administration of thyroid hormone in the form of levo thyroxine (l-thyroxine) has been used to treat hypothyroidism for many years, the precise molecular basis of its physiological actions remains uncertain. Our objective was to define the changes in circulating protein levels that characterize alterations in thyroid hormone status...
January 1, 2018: International Journal of Molecular Sciences
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