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Renal pathology

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https://www.readbyqxmd.com/read/29036800/quantitative-parameters-of-contrast-enhanced-ultrasonography-for-assessment-of-renal-pathology-a-preliminary-study-in-chronic-kidney-disease
#1
Wen-Qi Yang, Shan Mou, Yao Xu, Li Xu, Feng-Hua Li, Hong-Li Li
No abstract text is available yet for this article.
October 7, 2017: Clinical Hemorheology and Microcirculation
https://www.readbyqxmd.com/read/29035194/clinicopathologic-characteristics-of-light-chain-proximal-tubulopathy-with-light-chain-inclusions-involving-multiple-renal-cell-types%C3%A2
#2
Xiaomei Li, Feng Xu, Dandan Liang, Shaoshan Liang, Xiaodong Zhu, Mingchao Zhang, Xianghua Huang, Zhihong Liu, Caihong Zeng
Light chain proximal tubulopathy (LCPT) associated with plasma cell dyscrasias is a rare abnormality, especially cases involving multiple cell types. The aim of this study is to explore the characteristics and outcomes of these diseases. We comprehensively evaluated the clinical-pathological data, treatment, and outcomes of 6 LCPT patients with involvement of multiple cell types. In 3 cases, we found that the inclusions largely existed in tubular cells, while in 2 cases they coexisted in podocytes and tubular cells, and in 1 case they coexisted in histiocytes and tubular cells...
October 16, 2017: Clinical Nephrology
https://www.readbyqxmd.com/read/29034031/coronary-artery-bypass-surgery-in-end-stage-renal-disease-patients
#3
REVIEW
Daijiro Hori, Atsushi Yamaguchi, Hideo Adachi
The number of patients requiring hemodialysis is continuously increasing around the world. Hemodialysis affects patient quality of life and it is also associated with a higher risk for cardiovascular events. In addition to traditional risk factors for cardiovascular events such as hypertension, hyperlipidemia, and diabetes, hemodialysis is associated with hyperphosphatemia, chronic inflammation, vascular calcification, and anemia which accelerate atherosclerosis, vascular stiffness, and cardiac ischemia. Treatment strategy for coronary revascularization in this progressive disease remains controversial...
June 25, 2017: Annals of Vascular Diseases
https://www.readbyqxmd.com/read/29034019/hybrid-repair-of-an-abdominal-aortic-aneurysm-debranching-with-endovascular-aneurysm-repair-in-a-patient-with-horseshoe-kidney
#4
Keiwa Kin, Hiroshi Takano, Takaya Nakagawa, Yukitoshi Shirakawa
Abdominal aortic aneurysm (AAA) with associated horseshoe kidney (HSK) poses a technical challenge when performing conventional open surgical repair because of possible complications including renal infarction, neuralgia, and collecting system disruption. Endovascular aortic repair (EVAR) is considered the first-line treatment for this pathology, allowing for aneurysm repair without isthmus bisection. However, whether to sacrifice commonly presenting aberrant renal arteries during EVAR is a point of controversy...
March 24, 2017: Annals of Vascular Diseases
https://www.readbyqxmd.com/read/29033543/effect-of-echinacoside-on-kidney-fibrosis-by-inhibition-of-tgf-%C3%AE-1-smads-signaling-pathway-in-the-db-db-mice-model-of-diabetic-nephropathy
#5
Fengjuan Tang, Yarong Hao, Xue Zhang, Jian Qin
Kidney fibrosis and renal tubular epithelial-to-mesenchymal transition (EMT) are the main pathological changes of diabetic nephropathy (DN), which eventually leads to end-stage renal disease. Previous studies have suggested that echinacoside (ECH) is antifibrotic in the liver. However, the effect of ECH on kidney fibrosis in DN and its mechanisms are unknown. This study was performed to explore the effect of ECH on kidney fibrosis and also the molecular mechanisms of ECH in a db/db mice model of DN. Our results showed that, relative to db/db mice, the mice in the ECH group had an improved general state and reduced blood glucose and 24-hour urinary protein levels...
2017: Drug Design, Development and Therapy
https://www.readbyqxmd.com/read/29032117/salvia-miltiorrhiza-protects-adenine-induced-chronic-renal-failure-by-regulating-the-metabolic-profiling-and-modulating-the-nadph-oxidase-ros-erk-and-tgf-%C3%AE-smad-signaling-pathways
#6
Hongdie Cai, Shulan Su, Yonghui Li, Huiting Zeng, Zhenhua Zhu, Jianming Guo, Yue Zhu, Sheng Guo, Li Yu, Dawei Qian, Yuping Tang, Jinao Duan
ETHNOPHARMACOLOGICAL RELEVANCE: Chronic renal failure (CRF) is defined as a progressive and irreversible loss of renal function and associated with inflammation and oxidative stress. Salvia miltiorrhiza (SM) is an important Chinese herb used in traditional Chinese medicine with notable effects on CRF. It significantly inhibited the elevation of serum creatinine (Scr), blood urea nitrogen (BUN) and urine protein (UP) in adenine-induced CRF rats, while the action mechanism need to be illuminated deeply...
October 11, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29031030/ectopic-bone-as-a-nidus-for-calcium-oxalate-urocystolithiasis-in-a-cat
#7
J P Lulich, H S Prasad, M Manno, B Bagley
A 7-year-old female spayed domestic shorthair cat was referred to the urology service for nonsurgical urocystolith removal. A urolith was attached to the urothelium by ectopic bone. Interventional removal without surgery was successful. Follow-up evaluation 3 years after urolith removal revealed recurrent uroliths, bladder wall mineralization, and marked renal mineralization. This case illustrates the metaplastic potential of the urothelium and that ectopic bone should be included among the pathological factors that promote lithogenesis...
October 14, 2017: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/29030988/mir-145-5p-inhibits-proliferation-and-inflammatory-responses-of-rmc-through-regulating-akt-gsk-pathway-by-targeting-cxcl16
#8
Junbiao Wu, Yu He, Yining Luo, Lei Zhang, Hua Lin, Xusheng Liu, Bihao Liu, Chunling Liang, Yuan Zhou, Jiuyao Zhou
The main pathological characteristics of chronic glomerulonephritis (CGN) are diffuse mesangial cells proliferation and inflammatory responses. Our previous studies have confirmed that miR-145-5p was abnormally elevated in CGN rats, but its mechanism remains unclear. Therefore, this study aimed to elucidate the mechanism of miR-145-5p in regulation of renal mesangial cells proliferation and inflammatory responses. In vivo study, the cationic bovine serum albumin(C-BSA)-induced CGN rat model was established, and the content of miR-145-5p in renal was examined by qRT-PCR, meanwhile, we also determined the renal function and inflammatory infiltrate...
October 14, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29030466/modulation-of-renal-glut2-by-the-cannabinoid-1-receptor-implications-for-the-treatment-of-diabetic-nephropathy
#9
Liad Hinden, Shiran Udi, Adi Drori, Asaad Gammal, Alina Nemirovski, Rivka Hadar, Saja Baraghithy, Anna Permyakova, Matan Geron, Merav Cohen, Sabina Tsytkin-Kirschenzweig, Yael Riahi, Gil Leibowitz, Yaakov Nahmias, Avi Priel, Joseph Tam
Altered glucose reabsorption via the facilitative glucose transporter 2 (GLUT2) during diabetes may lead to renal proximal tubule cell (RPTC) injury, inflammation, and interstitial fibrosis. These pathologies are also triggered by activating the cannabinoid-1 receptor (CB1R), which contributes to the development of diabetic nephropathy (DN). However, the link between CB1R and GLUT2 remains to be determined. Here, we show that chronic peripheral CB1R blockade or genetically inactivating CB1Rs in the RPTCs ameliorated diabetes-induced renal structural and functional changes, kidney inflammation, and tubulointerstitial fibrosis in mice...
October 13, 2017: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/29030073/comparative-analysis-of-surgery-thermal-ablation-and-active-surveillance-for-renal-oncocytic-neoplasms
#10
Brady L Miller, Lori Mankowski Gettle, Jason R Van Roo, Timothy J Ziemlewicz, Sara L Best, Shane A Wells, Meghan G Lubner, J Louis Hinshaw, Fred T Lee, Stephen Y Nakada, Wei Huang, E Jason Abel
OBJECTIVE: To compare oncologic and procedural outcomes for renal oncocytic tumors treated with surgery, thermal ablation or active surveillance. METHODS AND MATERIALS: Clinical and pathologic data were collected for consecutive patients with a histological diagnosis of oncocytoma, oncocytic neoplasm or chromophobe renal cell cancers (chRCC) from 2003-2016. Independent pathology and radiology review was performed for this study. RESULTS: Of 171 patients, tumor histology included oncocytoma (n=122), chRCC (n=47) and oncocytic neoplasm not otherwise specified (n=2)...
October 10, 2017: Urology
https://www.readbyqxmd.com/read/29029632/fatal-haemorrhage-and-neoplastic-thrombosis-in-a-captive-african-lion-panthera-leo-with-metastatic-testicular-sex-cord-stromal-tumour
#11
Omar Antonio Gonzales-Viera, Angélica María Sánchez-Sarmiento, Natália Coelho Couto de Azevedo Fernandes, Juliana Mariotti Guerra, Rodrigo Albergaria Ressio, José Luiz Catão-Dias
BACKGROUND: The study of neoplasia in wildlife species contributes to the understanding of cancer biology, management practices, and comparative pathology. Higher frequencies of neoplasms among captive non-domestic felids have been reported most commonly in aging individuals. However, testicular tumours have rarely been reported. This report describes a metastatic testicular sex cord-stromal tumour leading to fatal haemorrhage and thrombosis in a captive African lion (Panthera leo). CASE PRESENTATION: During necropsy of a 16-year-old male African lion, the left testicle and spermatic cord were found to be intra-abdominal (cryptorchid), semi-hard and grossly enlarged with multiple pale-yellow masses...
October 13, 2017: Acta Veterinaria Scandinavica
https://www.readbyqxmd.com/read/29028161/effect-of-haemodialysis-and-residual-renal-function-on-serum-levels-of-galectin-3-b-type-natriuretic-peptides-and-cardiac-troponin-t
#12
Matthew A Roberts, Piyush M Srivastava, David L Hare, Francesco L Ierino
AIM: Levels of plasma markers of myocardial fibrosis (galectin-3), stretch (B-type natriuretic peptide (BNP)) and injury (troponin T (TnT)) may be affected by haemodialysis and residual renal function (RRF) in addition to cardiac pathology. We aimed to determine the association of RRF, urine output and haemodialysis itself on clinically important cardiac biomarkers in haemodialysis patients. METHODS: Adult haemodialysis patients underwent venesection pre- and post- haemodialysis followed by echocardiography and inter-dialytic urine collection to calculate RRF (mL/minute/1...
October 13, 2017: Nephrology
https://www.readbyqxmd.com/read/29027535/transplant-glomerulopathy
#13
REVIEW
Edward J Filippone, Peter A McCue, John L Farber
In the renal allograft, transplant glomerulopathy represents a morphologic lesion and not a specific diagnosis. The hallmark pathologic feature is glomerular basement membrane reduplication by light microscopy or electron microscopy in the absence of immune complex deposits. Transplant glomerulopathy results from chronic, recurring endothelial cell injury that can be mediated by HLA alloantibodies (donor-specific antibodies), various autoantibodies, cell-mediated immune injury, thrombotic microangiopathy, or chronic hepatitis C...
October 13, 2017: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/29027517/-unexpected-symptoms-of-monoclonal-gammopathy
#14
P M Smit, A C Abrahams, R G E Schutgens, N C Notermans, M C Minnema
Monoclonal gammopathy of undetermined significance (MGUS) is a common haematological disorder characterized by the presence of a monoclonal protein (M-protein). MGUS is considered an asymptomatic 'innocent' pre-malignant precursor condition of - mostly - multiple myeloma, without indication for treatment. We present three cases illustrating that MGUS can lead to serious problems. The first patient, a 51-year-old female, presented with polyneuropathy due to anti-MAG antibodies related to IgM MGUS. The second patient, a 37-year-old female, presented with proteinuria due to immunotactoid glomerulopathy caused by renal monoclonal IgG deposition associated with MGUS...
2017: Nederlands Tijdschrift Voor Geneeskunde
https://www.readbyqxmd.com/read/29026516/ascending-cholangitis-rare-presentation-of-a-ruptured-right-sided-renal-angiomyolipoma
#15
Stefanie M Croghan, Orla McCormack, Anna L Walsh, Ted McDermott
We report the case of a 46-year-old female who presented to the Emergency Department with acute, painful obstructive jaundice, with evidence of secondary ascending cholangitis. Surprisingly, imaging revealed the clinical picture to be caused not by hepatobiliary pathology, but by external compression of the biliary tree from a ruptured renal angiomyolipoma (AML) of the right kidney. The patient remained haemodynamically stable and conservative management saw resolution of biliary obstruction. We believe this to be the first report of a renal AML presenting in this way...
October 2017: Journal of Surgical Case Reports
https://www.readbyqxmd.com/read/29026167/the-proteasome-inhibitor-bortezomib-attenuates-renal-fibrosis-in-mice-via-the-suppression-of-tgf-%C3%AE-1
#16
Moko Zeniya, Takayasu Mori, Naofumi Yui, Naohiro Nomura, Shintaro Mandai, Kiyoshi Isobe, Motoko Chiga, Eisei Sohara, Tatemitsu Rai, Shinichi Uchida
Kidney fibrosis and fibrogenesis significantly exacerbate chronic kidney disease (CKD) progression and are essential therapeutic targets. Bortezomib (BZM) is a proteasome inhibitor used for the treatment of multiple myeloma (MM). Several studies have demonstrated that BZM attenuates renal impairment in patients with MM, although this effect is generally considered to be the result of MM remission. Recently, several studies on BZM reported anti-fibrotic effects on liver and skin in experimental animal models...
October 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29025321/rutin-ameliorates-oxidative-stress-and-preserves-hepatic-and-renal-functions-following-exposure-to-cadmium-and-ethanol
#17
Sunny O Abarikwu, Rex-Clovis Njoku, Chiamaka J Lawrence, Iniobong A Charles, Jude C Ikewuchi
CONTEXT: Rutin (RUT) is an antioxidant flavonoid with well-known metal chelating potentials. OBJECTIVE: This study was designed to evaluate the protective effects of RUT against cadmium (Cd) + ethanol (EtOH)-induced hepatic and renal toxicity in rats. MATERIALS AND METHODS: Wistar rats were treated with Cd (50 mg/kg) alone or in combination with EtOH (5 mg/kg) and RUT (25, 50 and 100 mg/kg) for 15 days. After treatment, the liver, kidney and serum were removed for biochemical assays by spectrophotometric methods...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/29025319/the-effects-of-salvia-przewalskii-total-phenolic-acid-extract-on-immune-complex-glomerulonephritis
#18
Yang Yang, Zhi-Peng Wang, Shou-Hong Gao, Hong-Qi Ren, Ren-Qian Zhong, Wan-Sheng Chen
CONTEXT: Salvia przewalskii Maxim. (Lamiaceae) is a Chinese herbal medicine that has long been used for the treatment of cardiovascular disease. OBJECTIVE: The study investigated the therapeutic efficacy of S. przewalskii total phenolic acid extract (SPE) on immune complex glomerulonephritis (ICG) in rats. MATERIALS AND METHODS: Sixty-two Wistar rats were randomized into six groups. ICG was induced in all groups except normal control group...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/29024738/new-hybrid-mini-laparoendoscopic-single-site-mi-less-partial-nephrectomy-with-early-unclamped-technique-for-renal-tumors-with-intermediate-padua-score-ideal-phase-2a
#19
Christopher Springer, Felix Kawan, Roberto La Rocca, Nasreldin Mohammed, Paolo Fornara, Vincenzo Mirone, Francesco Greco
OBJECTIVE: To evaluate a new hybrid technique which we defined mini-laparoendoscopic single-site partial nephrectomy (MILESS-PN) for renal masses presenting an intermediate PADUA score. MATERIAL AND METHODS: Forty consecutive cases of MILESS-PN performed between April 2013 and November 2015 were included in this study. MILESS consisted in the simultaneous use of two 3 mm pararectal trocars and an umbilical SILS trocar; the sequence of steps of MILESS-PN was comparable to standard laparoscopic partial nephrectomy...
October 9, 2017: Urology
https://www.readbyqxmd.com/read/29022743/noninvasive-evaluation-of-stable-renal-allograft-function-using-point-shear-wave-elastography
#20
Bom Jun Kim, Chan Kyo Kim, Jung Jae Park
OBJECTIVE: To investigate the feasibility of point shear-wave elastography (SWE) in evaluating patients with stable renal allograft function who underwent protocol biopsies. METHODS: Ninety-five patients with stable renal allograft function that underwent ultrasound (US)-guided biopsies at predefined time points (10 days or one year after transplantation) were enrolled. US and point SWE examinations were performed immediately before protocol biopsies. Patients were categorized into two groups: subclinical rejection (SCR) and non-SCR...
October 12, 2017: British Journal of Radiology
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