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High protein in urine

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https://www.readbyqxmd.com/read/29351422/body-mass-specific-na-k-atpase-activity-in-the-medullary-thick-ascending-limb-implications-for-species-dependent-urine-concentrating-mechanisms
#1
Mun Aw, Tamara M Armstrong, C Michele Nawata, Sarah N Bodine, Jeeeun J Oh, Guojun Wei, Kristen K Evans, Mohammad Shahidullah, Timo Rieg, Thomas L Pannabecker
In general, mammalian whole body mass-specific metabolic rate correlates positively with maximal urine concentration (Umax) irrespective of whether or not the species have adapted to arid or mesic habitat. Accordingly, we hypothesized that the thick ascending limb (TAL) of a rodent with markedly higher whole body mass-specific metabolism than rat exhibits a substantially higher TAL metabolic rate as estimated by Na+, K+-ATPase activity and Na+, K+-ATPase α1 gene and protein expression. The kangaroo rat inner stripe of the outer medulla exhibits significantly higher mean Na+, K+-ATPase activity (~70%) compared to 2 rat strains (Sprague-Dawley and Munich-Wistar), extending prior studies showing rat activity exceeds rabbit...
January 3, 2018: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
https://www.readbyqxmd.com/read/29345286/cyclooxygenase-2-expression-is-induced-by-celecoxib-treatment-in-lung-cancer-cells-and-is-transferred-to-neighbor-cells-via-exosomes
#2
Jayoung Kim, Seung-Woo Hong, Seonghan Kim, Daejin Kim, Dae Young Hur, Dong-Hoon Jin, Bomi Kim, Yeong Seok Kim
Lung cancer is one of most common types of cancer worldwide. Lung cancer results in a death higher rate each year compared to colon, breast and prostate cancer combined. Celecoxib is a selective inhibitor of cyclooxygenase-2 (COX‑2), an enzyme of which the expression is induced by various stimuli, such as inflammation. In addition, celecoxib triggers COX-2 loading on exosomes. Exosomes are small vesicles composed of a lipid bilayer membrane and are found in most biological fluids, such as blood breast milk and urine...
February 2018: International Journal of Oncology
https://www.readbyqxmd.com/read/29345041/serum-amyloid-a-procalcitonin-highly-sensitive-c-reactive-protein-and-tumor-necrosis-factor-alpha-levels-and-acute-inflammatory-response-in-patients-with-hemolysis-elevated-liver-enzymes-low-platelet-count-hellp-and-eclampsia
#3
Kazım Uckan, Hanım Guler Sahin
AIM: The aim of this study was to determine the relationship between serum amyloid A (SAA), procalcitonin (ProC), highly sensitive C reactive protein (hsCRP) and tumor necrosis factor (TNF) alpha activity in patients with pre-eclampsia, eclampsia and hemolysis, elevated liver enzymes, low platelet count (HELLP), and the pathogenesis and severity of the disease. METHOD: Ninety patients at ≥ 32 gestational weeks, according to the last date of menstruation and ultra-sonographic measurements, diagnosed with pre-eclampsia (30 patients), eclampsia (30 patients) or HELLP syndrome (30 patients) were included in the study...
January 18, 2018: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/29343609/polymorphic-human-sulfotransferase-2a1-mediates-the-formation-of-25-hydroxyvitamin-d3-3-o-sulfate-a-major-circulating-vitamin-d-metabolite-in-humans
#4
Timothy Wong, Zhican Wang, Brian D Chapron, Mizuki Suzuki, Katrina G Claw, Chunying Gao, Robert S Foti, Bhagwat Prasad, Alenka Chapron, Justina Calamia, Amarjit Chaudhry, Erin G Schuetz, Ronald L Horst, Qingcheng Mao, Ian H de Boer, Timothy A Thornton, Kenneth E Thummel
Metabolism of 25-hydroxyvitamin D3 (25OHD3) plays a central role in regulating the biological effects of vitamin D in the body. Although cytochrome P450-dependent hydroxylation of 25OHD3 has been extensively investigated, limited information is available on the conjugation of 25OHD3. In the present study, we report that 25OHD3 is selectively conjugated to 25OHD3-3-O-sulfate by human sulfotransferase 2A1 (SULT2A1) and that the liver is a primary site of metabolite formation. At a low (50 nM) concentration of 25OHD3, 25OHD3-3-O-sulfate was the most abundant metabolite, with an intrinsic clearance approximately 8-fold higher than the next most efficient metabolic route...
January 17, 2018: Drug Metabolism and Disposition: the Biological Fate of Chemicals
https://www.readbyqxmd.com/read/29332210/pathogen-specific-leptospiral-proteins-in-urine-of-patients-with-febrile-illness-aids-in-differential-diagnosis-of-leptospirosis-from-dengue
#5
R Chaurasia, K C Thresiamma, C K Eapen, B J Zachariah, R Paul, M Sritharan
Leptospirosis and dengue are two commonly seen infectious diseases of the tropics. Differential diagnosis of leptospirosis from dengue fever is often difficult due to overlapping clinical symptoms and lack of economically viable and easy-to-perform laboratory tests. The gold standard for diagnosis is the microscopic agglutination test (MAT). In this study, the diagnostic potential of screening for pathogen-specific leptospiral antigens in urine samples is presented as a non-invasive method of disease diagnosis...
January 13, 2018: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/29327197/-new-kidney-function-tests-renal-functional-reserve-and-furosemide-stress-test
#6
REVIEW
D Kindgen-Milles, T Slowinski, T Dimski
Acute kidney injury (AKI) occurs in 30-50% of all intensive care patients. Renal replacement therapy (RRT) has to be initiated in 10-15%. The early in-hospital mortality is about 50%. Up to 20% of all survivors develop chronic kidney disease after intensive care discharge and progress to end-stage kidney disease within the next 10 years. For timely initiation of prophylactic or therapeutic interventions, it is crucial to exactly determine the actual kidney function, i. e., glomerular filtration rate (GFR), and to gain insight into the further development of kidney function...
January 11, 2018: Medizinische Klinik, Intensivmedizin und Notfallmedizin
https://www.readbyqxmd.com/read/29311259/the-endosomal-trafficking-factors-corvet-and-escrt-suppress-plasma-membrane-residence-of-the-renal-outer-medullary-potassium-channel-romk
#7
Timothy D Mackie, Bo-Young Kim, Arohan R Subramanya, Daniel J Bain, Allyson F O'Donnell, Paul A Welling, Jeffrey L Brodsky
Protein trafficking can act as the primary regulatory mechanism for ion channels with high open probabilities, such as the renal outer medullary (ROMK) channel. ROMK, also known as Kir1.1 (KCNJ1), is the major route for potassium secretion into the pro-urine and plays an indispensable role in regulating serum potassium and urinary concentrations. However, the cellular machinery that regulates ROMK trafficking has not been fully defined. To identify regulators of the cell-surface population of ROMK, we expressed a pH-insensitive version of the channel in the budding yeast Saccharomyces cerevisiae...
January 8, 2018: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/29310419/proliferative-lupus-nephritis-in-the-absence-of-overt-systemic-lupus-erythematosus-a-historical-study-of-12-adult-patients
#8
Maxime Touzot, Cécile Saint-Pastou Terrier, Stanislas Faguer, Ingrid Masson, Hélène François, Lionel Couzi, Aurélie Hummel, Nathalie Quellard, Guy Touchard, Noémie Jourde-Chiche, Jean-Michel Goujon, Eric Daugas
Severe lupus nephritis in the absence of systemic lupus erythematosus (SLE) is a rare condition with an unclear clinical presentation and outcome.We conducted a historical observational study of 12 adult (age >18 years) patients with biopsy-proven severe lupus nephritis or lupus-like nephritis without SLE immunological markers at diagnosis or during follow-up. Excluded were patients with chronic infections with HIV or hepatitis B or C; patients with a bacterial infectious disease; and patients with pure membranous nephropathy...
December 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29310262/nano-biotinylated-liposome-based-immunoassay-for-the-ultrasensitive-detection-of-protein-biomarker-in-urine
#9
Peng Liu, Xueen Fang, Hongmei Cao, Mingli Gu, Jilie Kong, Anmei Deng
With the development of proteomics and the continuous discovery of biomarkers of trace proteins, it is important to accurately quantify low abundance protein, especially in urine for clinical diagnostics. In this paper, we reported a novel nano-biotinylated liposome-based immuno-loop-mediated isothermal amplification (LI-LAMP) for the ultrasensitive detection of REG1A (a biomarker for pancreatic ductal adenocarcinoma (PDAC) in urine) with high specificity. The detection range was 1µg/mL to 1fg/mL, with a detection limit of 1fg/mL, and no cross-reactivity was observed to occur in this assay...
March 1, 2018: Talanta
https://www.readbyqxmd.com/read/29310052/simultaneous-determination-of-tpn729-and-its-five-metabolites-in-human-plasma-and-urine-by-liquid-chromatography-coupled-to-tandem-mass-spectrometry
#10
Yang Liu, Shuguang Shao, Hanlin Song, Xueting Yao, Jie Liu, Hongzhong Liu, Ling Song, Ji Jiang, Dongyang Liu, Pei Hu
A specific and sensitive method was firstly developed using high performance liquid chromatography coupled with tandem mass spectrometry (HPLC-MS/MS) to simultaneously quantify TPN729 and its metabolites (TPN729-D1, TPN729-D2, TPN729M15-3 and TPN729M3) in human plasma and (TPN729-D1, TPN729-D2, TPN729M15-3 and TPN729M14) in human urine. Protein precipitation and direct dilution were used to extract TPN729 and its metabolites from plasma and urine, respectively. Ionization of TPN729, TPN729-D1, TPN729-D2, TPN729M15-3, TPN729M3, TPN729M14 and sildenafil (internal standard, IS) was performed using an electrospray ionization (ESI) source in positive mode and detection was carried out with multiple reaction monitoring (MRM) mode...
December 30, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/29309806/decreased-expression-of-megalin-and-cubilin-and-altered-mitochondrial-activity-in-tenofovir-nephrotoxicity
#11
Alexandre Cez, Isabelle Brocheriou, François-Xavier Lescure, Clovis Adam, Pierre-Marie Girard, Gilles Pialoux, Søren K Moestrup, Soraya Fellahi, Jean-Philippe Bastard, Pierre Ronco, Emmanuelle Plaisier
Tenofovir disoproxil fumarate (TDF) is a commonly used antiretroviral drug for HIV, rarely causing Fanconi syndrome and acute kidney injury. We retrospectively analyzed the clinico-pathological presentation of 20 cases of tenofovir-induced tubulopathy, and investigated the renal expression of the megalin and cubilin proteins, as well as the mitochondrial respiratory chain activity. Estimated glomerular filtration rate (eGFR) before TDF exposure was 92 ml/min/1,73m2, decreasing to 27.5 ml/min/1,73m2 at the time of biopsy, with 30% of patients requiring renal replacement therapy...
January 5, 2018: Human Pathology
https://www.readbyqxmd.com/read/29306735/identification-of-metabolites-of-mdr-1339-an-inhibitor-of-%C3%AE-amyloid-protein-aggregation-and-kinetic-characterization-of-the-major-metabolites-in-rats
#12
Jun-Hyeng Son, Yoo-Seong Jeong, Jong-Hwa Lee, Min-Soo Kim, Kyeong-Ryoon Lee, Chang-Koo Shim, Young Ho Kim, Suk-Jae Chung
We previously reported that MDR-1339, an inhibitor of β-amyloid protein aggregation, was likely to be eliminated by biotransformation in rats. The objective of this study was to determine the chemical identity of metabolites derived from this aggregate inhibitor and to characterize the kinetics of formation of these metabolites in rats. Using high performance liquid chromatography coupled with mass spectrometry with a hybrid triple quadrupole-linear ion trap, 7 metabolites and 1 potential metabolic intermediate were identified in RLM incubations containing MDR-1339...
January 3, 2018: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/29306350/effect-of-condensed-tannins-in-rations-of-lactating-dairy-cows-on-production-variables-and-nitrogen-use-efficiency
#13
K Gerlach, M Pries, E Tholen, A J Schmithausen, W Büscher, K-H Südekum
The objective of this study was to evaluate the effect of supplemented condensed tannins (CT) from the bark of the Black Wattle tree (Acacia mearnsii) on production variables and N use efficiency in high yielding dairy cows. A feeding trial with 96 lactating German Holstein cows was conducted for a total of 169 days, divided into four periods. The animals were allotted to two groups (control (CON) and experimental (EXP) group) according to milk yield in previous lactation, days in milk (98), number of lactations and BW...
January 8, 2018: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/29302463/prevalence-and-correlates-of-chronic-kidney-disease-in-a-group-of-patients-with-hypertension-in-the-savanah-zone-of-cameroon-a-cross-sectional-study-in-sub-saharan-africa
#14
Ba Hamadou, Jérôme Boombhi, Félicité Kamdem, Adeline Fitame, Sylvie Ndongo Amougou, Liliane Kuate Mfeukeu, Chris Nadège Nganou, Alain Menanga, Gloria Ashuntantang
Background: The prevalence of chronic kidney disease (CKD) is increasing worldwide due to an increase in the risk factors such as hypertension. The greatest burden is in low-income settings, coupled with late diagnosis and limited management resources. This work aimed at studying the prevalence and risk factors of CKD in a group of patients with hypertension in the Savanah zone in Sub-Saharan Africa (SSA). Methods: We carried out a cross-sectional study between January and May 2016 in the regional Hospital of Garoua-Cameroon...
December 2017: Cardiovascular Diagnosis and Therapy
https://www.readbyqxmd.com/read/29289845/decreased-plasma-dek-oncogene-levels-correlate-with-p16-negative-disease-and-advanced-tumor-stage-in-a-case-control-study-of-patients-with-head-and-neck-squamous-cell-carcinoma
#15
Trisha Wise-Draper, Arun Sendilnathan, Sarah Palackdharry, Nicholas Pease, Julianne Qualtieri, Randall Butler, Nooshin Hashemi Sadraei, John C Morris, Yash Patil, Keith Wilson, Jonathan Mark, Keith Casper, Vinita Takiar, Adam Lane, Lisa Privette Vinnedge
Head and neck cancer (HNC) remains the sixth most common malignancy worldwide and survival upon recurrence and/or metastasis remains poor. HNSCC has traditionally been associated with alcohol and nicotine use, but more recently the Human Papilloma Virus (HPV) has emerged as a favorable prognostic risk factor for oropharyngeal HNSCC. However, further stratification with additional biomarkers to predict patient outcome continues to be essential. One candidate biomarker is the DEK oncogenic protein, which was previously detected in the urine of patients with bladder cancer and is known to be secreted by immune cells such as macrophages...
December 28, 2017: Translational Oncology
https://www.readbyqxmd.com/read/29288007/overexpression-of-semaphorin-3a-in-patients-with-urothelial-cancer
#16
Zahava Vadasz, Jacob Rubinstein, Jacob Bejar, Hilla Sheffer, Sarel Halachmi
OBJECTIVE: A highly sensitive and specific urine marker for the detection of recurrent urothelial cancer and for screening healthy population or people at risk for urothelial cancer has not been found yet. As urine cytology is not sensitive enough, patients with non-muscle-invasive bladder cancer need lifelong follow-up involving multiple invasive cystoscopies. Our aims of study were to examine the expression of semaphorin 3A in urothelial cancer patients and to evaluate semaphorin 3A as a potential marker for urothelial cancer...
December 26, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/29287586/the-impact-of-intravenous-methylprednisolone-pulses-on-renal-survival-in-anti-neutrophil-cytoplasmic-antibody-associated-vasculitis-with-severe-renal-injury-patients-a-retrospective-study
#17
Yanhong Ma, Fei Han, Liangliang Chen, Hongya Wang, Haidongqing Han, Binfeng Yu, Ying Xu, Jianghua Chen
BACKGROUND: High-dose methylprednisolone pulses were one of the main treatments for anti-neutrophil cytoplasmic autoantibody (ANCA) associated vasculitides (AAV) but had obvious side effects. We aimed to know the impact on renal survival and identify the prognostic factors of this treatment in Chinese AAV patients with severe renal involvement. METHODS: One hundred and eleven AAV patients with an estimated glomerular filtration rate (eGFR) of 10ml/min/1.73 m2 or less at admission were included...
December 29, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/29287218/high-serum-adiponectin-is-associated-with-anemia-development-in-chronic-kidney-disease-the-results-from-the-know-ckd-study
#18
Hyoungnae Kim, Hae-Ryong Yun, Seohyun Park, Jong Hyun Jhee, Jung Tak Park, Tae-Hyun Yoo, Kyu-Beck Lee, Yeong-Hoon Kim, Su-Ah Sung, Joongyub Lee, Shin-Wook Kang, Kyu Hun Choi, Curie Ahn, Seung Hyeok Han
BACKGROUND: Adiponectin is an adipokine secreted by adipocytes. A low adiponectin level is a significant risk factor of diabetes mellitus and cardiovascular disease. Recent studies have shown that adiponectin is negatively associated with hematopoiesis and predicts the development of anemia in the general population. In chronic kidney disease (CKD) patients, circulating adiponectin level is paradoxically elevated and the role of adiponectin is complex. Therefore, we evaluated the relationship between adiponectin and anemia in these patients...
December 26, 2017: Cytokine
https://www.readbyqxmd.com/read/29286311/comparative-proteomics-analysis-of-urine-reveals-down-regulation-of-acute-phase-response-signaling-and-lxr-rxr-activation-pathways-in-prostate-cancer
#19
Katarina Davalieva, Sanja Kiprijanovska, Ivana Maleva Kostovska, Sotir Stavridis, Oliver Stankov, Selim Komina, Gordana Petrusevska, Momir Polenakovic
Detecting prostate cancer (PCa) using non-invasive diagnostic markers still remains a challenge. The aim of this study was the identification of urine proteins that are sufficiently sensitive and specific to detect PCa in the early stages. Comparative proteomics profiling of urine from patients with PCa, benign prostate hyperplasia, bladder cancer, and renal cancer, coupled with bioinformatics analysis, were performed. Statistically significant difference in abundance showed 20 and 85 proteins in the 2-D DIGE/MS and label-free LC-MS/MS experiments, respectively...
December 29, 2017: Proteomes
https://www.readbyqxmd.com/read/29285224/soluble-chemokine-c-x-c-motif-ligand-16-cxcl16-in-urine-as-a-novel-biomarker-candidate-to-identify-high-grade-and-muscle-invasive-urothelial-carcinomas
#20
Kerstin Lang, Nadine Bonberg, Sibylle Robens, Thomas Behrens, Jan Hovanec, Thomas Deix, Katharina Braun, Florian Roghmann, Joachim Noldus, Volker Harth, Karl-Heinz Jöckel, Raimund Erbel, Yu Chun Tam, Andrea Tannapfel, Heiko Udo Käfferlein, Thomas Brüning
Information on biomarkers of urothelial carcinomas (UC) for clinical decision-making is limited. Here, we newly identified and verified CXCL16 as a promising novel biomarker in urine for high grade and muscle invasive UC in a cross-sectional cohort of 308 UC patients, 126 urological hospital controls, and 50 population controls using antibody arrays and ELISA. Median CXCL16 levels in urine was significantly higher in UC patients (273.2 pg/mg creatinine) compared to hospital (148.1 pg/mg) and population controls (85...
December 1, 2017: Oncotarget
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