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silica nephropathy

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https://www.readbyqxmd.com/read/26536975/-selected-work-related-nephropathies
#1
REVIEW
Wojciech Wołyniec, Marcin Renke, Małgorzata Wójcik-Stasiak, Joanna Renke
Infections, high temperature and many of the toxic substances can cause kidney damage. Acute kidney injury is a well known complication of some work-related diseases, e.g., lead intoxication. Chronic kidney disease can also be caused by some occupational factors. Three work-related nephropathies, in which causal connection with work has been proved, are discussed in this article. There are different risk factors of nephrolithiasis, lead nephropathy and silica nephropathy, but each of them can cause chronic kidney disease...
2015: Medycyna Pracy
https://www.readbyqxmd.com/read/26423329/silicosis-and-renal-disease-insights-from-a-case-of-iga-nephropathy
#2
Matteo Riccò, Elena Thai, Simone Cella
A 68-yr-old male, smoker, is admitted for proteinuria (2,800 mg/24 h) and reduced renal function (serum creatinine 2 mg/dl, GFR 35 ml/min). Renter, he started working 20-yr-old as a sandstone cave miner. Despite the high levels of silica dusts, he reported no mandatory use of airways protection devices during the first 25 yr of activity. No clinical or radiological signs of silicosis or pneumoconiosis where reported until the year of retirement (1997). Erythrocyte sedimentation rate (91 mm/h) and C reactive protein (35 mg/l) suggested a pro-inflammatory status...
2016: Industrial Health
https://www.readbyqxmd.com/read/25420812/first-epidemiologic-study-in-argentina-of-the-prevalence-of-bk-viruria-in-kidney-transplant-patients
#3
MULTICENTER STUDY
R Schiavelli, R Bonaventura, M C Rial, H Petrone, G Soler Pujol, L J Gaite, M Acosta, A Gutierrez, F Acosta, G Valdez, P Raffaele, G Chanta, M Perez, L Potes, E Suso, G Cremades, J Ibañez, N Imperiali, R Luxardo, M Castellanos, E Maggiora, C Agost Carreño, M Cobos, K Marinic, J L Sinchi, A B Otero, M C Freire
BACKGROUND: The worldwide seroprevalence of human BK polyomavirus (BKV) in adults is 80%. About 10%-60% of renal transplant recipients experience BKV infection, nephropathy of the graft may occur in 5% of the cases, and up to 45% lose the graft. The aim of this work was to describe the prevalence of BK viruria during the 1st year after transplantation. METHODS: An epidemiologic multicenter cross-sectional study was carried out in consecutive patients at each site with kidney transplantation from August 2011 to July 2012...
November 2014: Transplantation Proceedings
https://www.readbyqxmd.com/read/23022796/silica-nephropathy
#4
REVIEW
N Ghahramani
Occupational exposure to heavy metals, organic solvents and silica is associated with a variety of renal manifestations. Improved understanding of occupational renal disease provides insight into environmental renal disease, improving knowledge of disease pathogenesis. Silica (SiO2) is an abundant mineral found in sand, rock, and soil. Workers exposed to silica include sandblasters, miners, quarry workers, masons, ceramic workers and glass manufacturers. New cases of silicosis per year have been estimated in the US to be 3600-7300...
July 2010: International Journal of Occupational and Environmental Medicine
https://www.readbyqxmd.com/read/17337986/iga-nephropathy-accompanied-by-silica-deposited-interstitial-hephritis
#5
A R Khan, M Al-Homrany
No abstract text is available yet for this article.
January 1999: Annals of Saudi Medicine
https://www.readbyqxmd.com/read/17133921/-secondary-nephropathies-in-occupational-health-practice-i-secondary-nephropathies-due-to-occupational-exposure
#6
REVIEW
Jolanta Antonowicz-Juchniewicz, Anna Jodkowska, Dobrosława Kwiecińiska
Kidneys are particularly susceptible to the effect of toxic agents that can cause renal damage and even renal failure. The aim of this study was to present current knowledge of the influence of occupational toxic agents on renal functions. The authors describe the major nephrotoxic factors, such as heavy metals (including lead, cadmium, and mercury), organic solvents, pesticides and silica. They discuss changes in the kidney structure and molecular mechanisms of nephrotoxicity and carcinogenesis induced by occupational exposure to major toxic agents and also indicate possibilities of detecting the predicted nephrotoxicity symptoms so that clinical, overt renal insufficiency could be prevented...
2006: Medycyna Pracy
https://www.readbyqxmd.com/read/12957164/optimization-stacking-by-transient-pseudo-isotachophoresis-for-capillary-electrophoresis-example-analysis-of-plasma-glutathione
#7
Yu Kong, Ning Zheng, Zhichao Zhang, Ruyu Gao
Low concentrations of both reduced form glutathione (GSH) and oxidized form glutathione (GSSG) in diabetic nephropathy (DN) patient's plasma were measured with transient pseudo-isotachophoresis. The plasma samples were deproteined with acetonitrile and centrifuged. The method was performed at constant voltage of 5 kV using a 300 mM borate buffer (pH 8.0), with a fused-silica capillary of 21 cm x 75 microm. The sample length can reach 25% of the efficient length of the capillary, and the sensitivities of GSH and GSSG increased 15-20-fold...
September 25, 2003: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/12613844/high-performance-capillary-zone-electrophoretic-assay-for-markers-of-diabetic-nephropathy-in-plasma-and-urine
#8
Yu Kong, Ning Zheng, Zhichao Zhang, Ruyu Gao
A new high-performance capillary zone electrophoretic assay for creatine (Cr), creatinine (Cn), urea (U) and uric acid (Ua), markers of human diabetic nephropathy, both in plasma and urine has been developed with UV detection at 200 nm. The plasma sample was deproteinized with trichloroacetic acid and centrifuged at 10 000 rpm for 10 min. The urine sample was diluted 20-fold with buffer before analysis. The optimum separation conditions for the markers was investigated with respect to the concentration of the buffer, the pH, the voltage and the capillary temperature...
February 14, 2003: Journal of Chromatography. A
https://www.readbyqxmd.com/read/11506245/silica-and-renal-diseases-no-longer-a-problem-in-the-21st-century
#9
REVIEW
P Stratta, C Canavese, A Messuerotti, I Fenoglio, B Fubini
Silicosis and other occupational diseases are still important even in the most developed countries. In fact, at present, silica exposure may be a risk factor for human health not only for workers but also for consumers. Furthermore, this exposure is associated with many other different disorders besides pulmonary silicosis, such as progressive systemic sclerosis, systemic lupus erythematosus, rheumatoid arthritis, dermatomyositis, glomerulonephritis and vasculitis. The relationships between these silica-related diseases need to be clarified, but pathogenic responses to silica are likely to be mediated by interaction of silica particles with the immune system, mainly by activation of macrophages...
July 2001: Journal of Nephrology
https://www.readbyqxmd.com/read/10385482/inhibition-of-activated-human-mesangial-cell-proliferation-by-the-natural-product-of-cordyceps-sinensis-h1-a-an-implication-for-treatment-of-iga-mesangial-nephropathy
#10
C Y Lin, F M Ku, Y C Kuo, C F Chen, W P Chen, A Chen, M S Shiao
Cordyceps sinensis (CS) is a parasitic fungus that has been used as a Chinese medicine for a long time in the treatment of nephritis. Today, the hypothesis about the pathogenesis of immunoglobulin A nephropathy (IgAN) is that nephritogenic IgA immune complexes (IgAIC) go to the kidney to stimulate resting mesangial cells to release cytokines and growth factors. These cytokines and growth factors cause mesangial cell proliferation and release matrix, chemical mediators that lead to the glomerular injury. However, nephritogenic IgAIC in humans is still unknown...
January 1999: Journal of Laboratory and Clinical Medicine
https://www.readbyqxmd.com/read/8392293/fiberglass-or-silica-exposure-and-increased-nephritis-or-esrd-end-stage-renal-disease
#11
REVIEW
J R Goldsmith, D F Goldsmith
The U.S. multiplant cohort mortality study of workers producing manufactured mineral fibers is finding increasing mortality from nephritis and/or nephrosis. We examine other data sets to see if similar effects can be identified. In a case-referent study among Michigan patients with end-stage renal disease (ESRD), men with exposures to silica have elevated odds ratio for ESRD. In a California occupational mortality study based on 1979-81 data, a number of the construction trades, farmers, and farm laborers show excess mortality for renal disease...
June 1993: American Journal of Industrial Medicine
https://www.readbyqxmd.com/read/8387381/-balkan-nephropathy-and-urothelial-cancer-well-water-pollution-and-current-questions-on-pathogenesis-and-carcinogenesis
#12
B Markovic
In the autopsied inhabitants who died from unrelated reasons in the villages-foci of Balkan Nephropathy (BN) the characteristic histologic changes of the initial phase of BN were found as well as the striking difference in the weight of the kidneys. The weight of a kidney amounting to 180 grams was noted. The continual, severe environmental exposure to polluted drinking water by erosive toxic silica accounts for the excessive silica accumulation in the kidney and its overhydration. Silica has an affinity for water molecules absorbating them on its surface, the absorption of water coats round the accumulations of polymerized silica being formed by several water molecular layers...
February 1993: Progrès en Urologie
https://www.readbyqxmd.com/read/6272574/rapidly-progressive-silicon-nephropathy
#13
W K Bolton, P M Suratt, B C Strugill
Rapidly progressive renal failure developed in four patients with silica exposure. Three presented with manifestations of a connective tissue disorders. All had abnormal proteinuria, hypoalbuminemia and active urinary sediments. Histologically, a distinct constellation of findings was present, consisting of glomerular hypercellularity and sclerosis, crescents, interstitial cellular infiltrates and tubular necrosis with red cell casts as seen on light microscopy. On electron microscopy there was foot process obliteration, characteristic cytoplasmic dense lysosomes, microtubules and dense deposits...
November 1981: American Journal of Medicine
https://www.readbyqxmd.com/read/3585144/increased-thromboxane-b2-excretion-in-diabetes-mellitus
#14
S Katayama, M Inaba, Y Maruno, A Omoto, S Kawazu, J Ishii
Thromboxane (TX) A2 is a potent vasoconstrictor as well as a proaggregator of platelets. Augmented TXB2 platelet synthesis and attenuated vascular prostacyclin formation have been demonstrated in diabetes mellitus. We undertook to establish a simple method of extracting urinary TXB2 (UTXB2) and to elucidate the pathophysiologic role of renal TXA2 in diabetes mellitus. One-step extraction of UTXB2 with an octadecylsilyl-silica column was sufficient as pretreatment for TXB2 radioimmunoassay because recovery of UTXB2 was good, the eluate was parallel with the dose-response curve, and the value coincided with that obtained by the conventional method...
June 1987: Journal of Laboratory and Clinical Medicine
https://www.readbyqxmd.com/read/3419480/nephrotoxicity-of-penicillium-aurantiogriseum-a-possible-factor-in-the-aetiology-of-balkan-endemic-nephropathy
#15
S E Yeulet, P G Mantle, M S Rudge, J B Greig
Water-soluble components of a nephrotoxic isolate of Penicillium aurantiogriseum have been fractionated by sequential ion-exchange, size-exclusion gel filtration, reverse-phase silica chromatography and HPLC. Nephrotoxicity in the rat was confined to a size-exclusion fraction approximating to 1,500 daltons, which also inhibited DNA synthesis in cultured kidney cells. The more sensitive in vitro assay allowed toxicity to be followed to a sub-fraction from gradient-elution HPLC which in further HPLC resolved into a small group of glycopeptides...
April 1988: Mycopathologia
https://www.readbyqxmd.com/read/3154373/pancreas-transplant-protocols-at-the-university-of-minnesota-recipient-and-donor-selection-operative-and-postoperative-management-and-outcome
#16
D E Sutherland, K C Moudry, B A Elick, F C Goetz, J S Najarian
In summary, at the University of Minnesota we perform pancreas transplants from both living-related and cadaver donors. Living-related donors must meet strict criteria indicating that they are not at risk for diabetes. Segmental grafts are procured from living-related donors. We currently procure whole pancreas grafts from most cadaver donors, including those in whom a liver is procured. We will accept preservation times up to 24 hours using hyperosmolar silica-gel-filtered plasma as the preservation solution...
1987: Clinical Transplants
https://www.readbyqxmd.com/read/2153349/occupational-and-other-exposures-associated-with-male-end-stage-renal-disease-a-case-control-study
#17
N K Steenland, M J Thun, C W Ferguson, F K Port
We conducted a case-control study of 325 men ages 30-69 who were diagnosed with end-stage renal disease (ESRD) between 1976 and 1984, and resided in four urban areas of Michigan in 1984. Cases were selected from the Michigan Kidney Registry and excluded men with diabetic, congenital, and obstructive nephropathies. Controls were selected by random-digit dialing and were pair-matched to cases for age, race, and area of residence. Telephone interviews were conducted with 69 percent of eligible cases and 79 percent of eligible controls...
February 1990: American Journal of Public Health
https://www.readbyqxmd.com/read/1851970/-pulmonary-silicosis-and-glomerular-nephropathy-apropos-of-1-case
#18
D Pouthier, P Duhoux, B Van Damme
A 43-year-old stone cutter with 13 years of exposure to silica developed a pulmonary silicosis and a glomerulonephritis with moderate renal failure. Renal biopsy demonstrated in light microscopy a segmental and focal mesangial proliferation and in electron microscopy distinct alterations of the proximal tubular cells. Renal histology suggest silica may play a part in the pathogenesis of renal damage. Clinicians should therefore include silica exposure in the differential diagnosis of unexplained glomerulonephritis...
1991: Néphrologie
https://www.readbyqxmd.com/read/1646406/well-water-characteristics-and-the-balkan-nephropathy
#19
Z Radovanovic, L Markovic-Denic, J Marinkovic, I Jevremovic, S Jankovic
A total of 366 inhabitants of a village affected by Balkan nephropathy (BN) have been followed over 12 years. It was shown that depth of the well to the water level, height of the water column, electroconductivity, and NO3 content of the water were not associated with BN. The risk of developing the disease was significantly higher if a well was at a lower altitude and contained a higher concentration of SiO2. Low altitude might have been expected to correlate with the BN frequency; as for silica, however, there are sound indications that it could just be a correlate of a cause rather than a direct determinant of BN...
1991: Nephron
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