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Renal stone disease

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https://www.readbyqxmd.com/read/28635397/induction-of-apoptosis-and-autophagy-by-calcifying-nanoparticles-in-human-bladder-cancer-cells
#1
Ji-Hua Wu, Yao-Liang Deng, Quan Liu, Jun-Chuan Yu, Yun-Long Liu, Zi-Qi He, Xiao-Feng Guan
Calcifying nanoparticles have been linked to various types of human disease, but how they contribute to disease processes is unclear. Here, we examined whether and how calcifying nanoparticles isolated from patients with kidney stones are cytotoxic to human bladder cancer cells. Calcifying nanoparticles were isolated from midstream urine of patients with renal calcium oxalate stones and examined by electron microscopy. Human bladder cancer cells (EJ cells) were cultured in the presence of calcifying nanoparticles or nanohydroxyapatites for 12 and 72 h and examined for toxicity using the Cell Counting Kit-8, for autophagy using transmission electron microscopy and confocal microscopy, and for apoptosis using fluorescence microscopy, transmission electron microscopy, and flow cytometry...
June 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28631910/-prevalence-and-risk-factors-for-nephrolithiasis-among-young-rural-residents
#2
A V Sin'kov, I N Volosatova, G M Sin'kova, L A Nikolaeva
AIM: To determine the prevalence of nephrolithiasis, assess the significance of known risk factors, and identify new risk factors for nephrolithiasis among young rural residents. MATERIALS AND METHODS: This cross-sectional study was conducted in 5 settlements of the Irkutsk rural district of the Irkutsk region and involved 408 inhabitants (93 men, 315 women) aged from 18 to 47 years. The selection of candidates for the study was randomized. The response of the population was 81...
June 2017: Urologii︠a︡
https://www.readbyqxmd.com/read/28627733/response-of-renal-tubular-cells-to-differential-types-and-doses-of-calcium-oxalate-crystals-integrative-proteome-network-analysis-and-functional-investigations
#3
Arada Vinaiphat, Siripat Aluksanasuwan, Juthatip Manissorn, Suchitra Sutthimethakorn, Visith Thongboonkerd
We have previously identified changes in the cellular proteome of renal tubular cells induced by low-dose (100 μg/ml) and high-dose (1,000 μg/ml) calcium oxalate monohydrate (COM) and dihydrate (COD) crystals. However, the functional significance of such expression data remained unclear. In this study, we performed comparative analyses and functional investigations of four proteomic datasets to define potential mechanisms by which renal tubular cells responded to differential crystal types and doses. The data showed that high-dose induced greater changes than low-dose, whereas COM induced more changes than COD...
June 19, 2017: Proteomics
https://www.readbyqxmd.com/read/28611171/pitfalls-of-the-duplex-system-the-mystery-of-the-missing-stone
#4
Donald Kudakwashe Nyanhongo, Satpal Antil, Syed Nasir
A duplex ureter constitutes about 1% of the renal tract anomalies.A 39-year-old man presented with a 4-week history of left loin pain and microscopic haematuria. Investigation with a non-contrast CT KUB revealed a 6 mm non-obstructing calculus in the left distal ureter.Left ureteroscopy and lithotripsy was planned. However, ureteroscopy failed to identify the calculus. A double J ureteric stent was left in situ and the procedure abandoned in favour of further assessment with a CT urogram. Imaging surprisingly showed a left duplex ureter with the calculus in the non-stented ureter...
June 13, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28593894/5th-rare-disease-south-eastern-europe-see-meeting-skopje-macedonia-november-15th-2016
#5
Zoran Gucev, Velibor Tasic, Momir Polenakovic
The fifth SEE meeting on rare diseases (RDs) was held in Macedonian Academy of Sciences and Arts (MASA) the November 11th, 2016. Several lectures dealt with mucopolysaccharidosis, glycogen storage diseases and the possibilities for their diagnosis and treatment. Enzyme replacement treatment (ERT), its availability, effects (or the lack of it) on the brain, and further prospects of eventual gene treatment were comprehensively exposed and discussed. Special accent was on Gaucher, Morquio IVA, Hunter and the audience was given new knowledge on the complexities of diagnosis and treatment...
March 1, 2017: Prilozi (Makedonska Akademija Na Naukite i Umetnostite. Oddelenie za Medicinski Nauki)
https://www.readbyqxmd.com/read/28567512/total-flavonoids-of-desmodium-styracifolium-attenuates-the-formation-of-hydroxy-l-proline-induced-calcium-oxalate-urolithiasis-in-rats
#6
Jianfu Zhou, Jing Jin, Xiong Li, Zhongxiang Zhao, Lei Zhang, Qian Wang, Jing Li, Qiuhong Zhang, Songtao Xiang
Desmosium styracifolium (D. styracifolium), which is considered as a Chinese herbal medicine, has been reported to treat the kidney stone diseases. However, the potential phytochemically active components and the underlying mechanisms associated with its efficacy in targeting urolithiasis remain to be elucidated. This study aims to investigate the anti-urolithiatic effect of total flavonoids of D. styracifolium (TFDS) on calcium oxalate (CaOx) renal stones in Sprague-Dawley rats. Animal models of CaOx urolithiasis were established in male Sprague-Dawley rats by adding 5% w/w hydroxy-L-proline (HLP) in regular rat chow...
May 31, 2017: Urolithiasis
https://www.readbyqxmd.com/read/28562414/spatial-distribution-of-iron-within-the-normal-human-liver-using-dual-source-dual-energy-ct-imaging
#7
Andres F Abadia, Katharine L Grant, Kathleen E Carey, Wesley E Bolch, Richard L Morin
OBJECTIVES: Explore the potential of dual-source dual-energy (DSDE) computed tomography (CT) to retrospectively analyze the uniformity of iron distribution and establish iron concentration ranges and distribution patterns found in healthy livers. MATERIALS AND METHODS: Ten mixtures consisting of an iron nitrate solution and deionized water were prepared in test tubes and scanned using a DSDE 128-slice CT system. Iron images were derived from a 3-material decomposition algorithm (optimized for the quantification of iron)...
May 29, 2017: Investigative Radiology
https://www.readbyqxmd.com/read/28551940/-oxalate-stones-are-prevalent-among-druze-and-muslim-arabs-in-the-galilee
#8
Limor Kalfon, Irit Weissman, Miriam Hershkovits, Nadra Nasser Samra, Nurit Edri, Morad Khayat, Mary Tanus, Shihab Shihab, Hanna Mandel, Tzipora Falik-Zaccai
INTRODUCTION: Primary Hyperoxaluria type I (PH1) is a rare autosomal recessive disease caused by lack or dysfunction of the liver peroxisomal enzyme alanine: glyoxylate aminotransferase, AGT. AIMS: To conduct clinical and genetic characterization of Druze and Muslim Arab patients with PH1 in Northern Israel. METHODS: In the last 20 years, 36 children and families were diagnosed and treated in the Nephrology-Genetic Clinic at the Galilee Medical Center...
March 2017: Harefuah
https://www.readbyqxmd.com/read/28536682/a-case-of-intramural-coronary-amyloidosis-associated-with-hemodialysis
#9
Faisal M Huq Ronny, George Kleinman, Paul James Kurtin, John Thomas Fallon
Dialysis-related amyloidosis predominantly occurs in osteo-articular structures and dialysis-related amyloid (DRA) substances also deposit in extra-articular tissues. Clinical manifestations of DRA include odynophagia, gastrointestinal hemorrhage, intestinal obstruction, kidney stones, myocardial dysfunction, and subcutaneous tumors. The pathological characteristics of DRA in the heart of hemodialysis patients have rarely been reported. We report the case of a 73-year-old female with a history of cerebral palsy and end-stage renal disease status post two failed renal transplants who had been on hemodialysis for 30 years...
January 2017: Autopsy & case reports
https://www.readbyqxmd.com/read/28534536/current-clinical-scoring-systems-of-percutaneous-nephrolithotomy-outcomes
#10
REVIEW
Wayland J Wu, Zeph Okeke
Percutaneous nephrolithotomy has become the preferred treatment modality for patients with large renal calculi. The technique provides excellent stone clearance, but complication rates are higher than those of minimally invasive techniques, such as ureteroscopy and shockwave lithotripsy. Guy's stone score, S.T.O.N.E. nephrolithometry, the CROES nomogram, and S-ReSC are contemporary scoring systems introduced to provide standardized grading of stone complexity and outcomes of percutaneous stone surgery. Guy's stone score is easy to apply and has been validated in multiple studies...
May 23, 2017: Nature Reviews. Urology
https://www.readbyqxmd.com/read/28526969/glycaemia-and-phosphatemia-after-oral-glucose-and-maltitol-ingestion-in-subjects-from-two-different-race-groups-preliminary-evidence-of-inter-race-differences-in-metabolism-and-possible-implications-for-urinary-stone-disease
#11
Takalani Theka, Allen Rodgers
PURPOSE: Glucose (Glu) and maltitol (Mal) ingestion affect calciuria and phosphaturia. Renal phosphate leak involving hypophosphatemia is thought to be a mechanism. Inter-race differences in carbohydrate metabolism are known. We investigated the effects of Glu and Mal ingestion on glycaemia and phosphatemia in subjects from two race groups to better understand potential implications for nephrolithiasis. METHODS: Healthy black (B) (n = 8) and white (W) (n = 8) males followed a self-selected standardized diet for 7 days and a strictly controlled standardized diet on Day 8...
May 19, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/28508979/urinothorax-in-a-child-secondary-to-obstructive-renal-stone-in-a-solitary-functioning-kidney-a-case-report
#12
Muhammad Waqas, Gul Nawaz, Avais Raja, Ijaz Hussain, Muhammad Waqas Iqbal
Urinothorax or presence of urine in pleural cavity is a highly unusual cause of pleural effusion. It is most commonly secondary to genitourinary trauma and obstructive uropathy. We here by present a case of urinothorax secondary to renal stone disease in a 5-year-old child with a solitary functioning kidney.
November 2016: CEN Case Reports
https://www.readbyqxmd.com/read/28505915/re-rna-interference-in-the-treatment-of-renal-stone-disease-current-status-and-future-potentials
#13
Dean G Assimos
No abstract text is available yet for this article.
June 2017: Journal of Urology
https://www.readbyqxmd.com/read/28496123/systematic-evaluation-for-effects-of-urine-ph-on-calcium-oxalate-crystallization-crystal-cell-adhesion-and-internalization-into-renal-tubular-cells
#14
Juthatip Manissorn, Kedsarin Fong-Ngern, Paleerath Peerapen, Visith Thongboonkerd
Urine pH has been thought to be an important factor that can modulate kidney stone formation. Nevertheless, there was no systematic evaluation of such pH effect. Our present study thus addressed effects of differential urine pH (4.0-8.0) on calcium oxalate (CaOx) crystallization, crystal-cell adhesion, crystal internalization into renal tubular cells, and binding of apical membrane proteins to the crystals. Microscopic examination revealed that CaOx monohydrate (COM), the pathogenic form, was crystallized with greatest size, number and total mass at pH 4...
May 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28495592/mir-21-promotes-fibrogenesis-in-peritoneal-dialysis
#15
Melisa Lopez-Anton, Mark Lambie, Manuel Lopez-Cabrera, Claus P Schmitt, Vicente Ruiz-Carpio, Maria Bartosova, Betti Schaefer, Simon Davies, Timothy Stone, Robert Jenkins, Philip R Taylor, Nicholas Topley, Timothy Bowen, Donald Fraser
Peritoneal dialysis (PD) is a life-saving form of renal replacement therapy for those with end-stage kidney disease. Mesothelial cells (MCs) line the peritoneal cavity and help define peritoneal response to treatment-associated injury, a major reason for treatment failure. miRNAs are important regulators, but their roles in peritoneal fibrosis are largely unknown. In this study, miR-21 was one of the most abundant miRNAs in primary MCs, and was up-regulated by the profibrotic cytokine transforming growth factor-β1 and in PD effluent-derived MCs exhibiting mesenchymal phenotypic change...
July 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28491855/nephrolithiasis-in-elderly-population-effect-of-demographic-characteristics
#16
Emadoddin Moudi, Seyed Reza Hosseini, Ali Bijani
BACKGROUND: Kidney stone (nephrolithiasis) is one of the most common diseases. During the past several decades, its prevalence and incidence have increased markedly in elderly population. OBJECTIVES: This study was conducted to evaluate the risk factors for nephrolithiasis in elderly population. PATIENTS AND METHODS: This study was based on the Amirkola Health and Ageing Project (AHAP). Elderly people with kidney stones in every size, type and number were considered to be the case group and other subjects without a history of kidney stones served as control group...
March 2017: Journal of Nephropathology
https://www.readbyqxmd.com/read/28491341/validation-of-the-kidney-failure-risk-equation-in-manitoba
#17
Reid H Whitlock, Mariette Chartier, Paul Komenda, Jay Hingwala, Claudio Rigatto, Randy Walld, Allison Dart, Navdeep Tangri
BACKGROUND: Patients with chronic kidney disease (CKD) are at risk to progress to kidney failure. We previously developed the Kidney Failure Risk Equation (KFRE) to predict progression to kidney failure in patients referred to nephrologists. OBJECTIVE: The objective of this study was to determine the ability of the KFRE to discriminate which patients will progress to kidney failure in an unreferred population. DESIGN: A retrospective cohort study was conducted using administrative databases...
2017: Canadian Journal of Kidney Health and Disease
https://www.readbyqxmd.com/read/28482898/ethnopharmacological-survey-of-medicinal-plants-practiced-by-traditional-healers-and-herbalists-for-treatment-of-some-urological-diseases-in-the-west-bank-palestine
#18
Nidal Amin Jaradat, Abdel Naser Zaid, Rowa Al-Ramahi, Malik A Alqub, Fatima Hussein, Zakaria Hamdan, Mahmoud Mustafa, Mohammad Qneibi, Iyad Ali
BACKGROUND: Throughout history, every civilization in the world used plants or their derivatives for treatment or prevention of diseases. In Palestine as in many other countries, herbal medicines are broadly used in the treatment of wide range of diseases including urological diseases. The main objective of this research is to study the use of herbal remedies by herbalists and traditional healers for treatment of various urological diseases in the West Bank regions of Palestine and to assess their efficacy and safety through the literature review of the most cited plants...
May 8, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28478724/role-of-minimally-invasive-percutaneous-nephrolithotomy-techniques-micro-and-ultra-mini-pcnl-15f-in-the-pediatric-population-a-systematic-review
#19
Patrick Jones, Grace Bennett, Omar M Aboumarzouk, Stephen Griffin, Bhaskar K Somani
INTRODUCTION: Management of pediatric stone disease is challenging, with standard percutaneous nephrolithotomy (PCNL) having a good stone-free rate (SFR), but with associated high complication rates. Miniaturization of this technique has led to the rise of minimally invasive PCNL techniques such as micro (<10F) and ultra-mini (<15F) PCNL procedures. Our objective was to perform a systematic review of the literature to evaluate the success and complication rates of minimally invasive PCNL techniques in the pediatric age group (<18 years)...
June 13, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28476544/rirs-in-the-elderly-is-it-feasible-and-safe
#20
F Berardinelli, P De Francesco, M Marchioni, N Cera, S Proietti, D Hennessey, O Dalpiaz, C Cracco, C Scoffone, G Giusti, L Cindolo, L Schips
BACKGROUND: The aim of this study was to compare the safety and efficacy of RIRS in men ≥65 years to those <65 years. MATERIALS AND METHODS: Patients who underwent RIRS were prospectively collected from March 2013 to March 2014 in 5 European centers. Perioperative outcomes and complications in elderly men were compared with men <65 years. Univariable and multivariable analyses were performed for factors predicting overall complications. The groups were compared using Mann-Whitney U test...
June 2017: International Journal of Surgery
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