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Kidney cancer pathology

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https://www.readbyqxmd.com/read/28535522/restenosis-in-hemodialytic-fistulas-and-chronic-kidney-disease-associated-vascular-disease-two-pathologies-driven-by-metakaryotic-stem-cells
#1
Gianandrea Pasquinelli, William G Thilly, Elena V Gostjeva, Paola Todeschini, Giuseppe Cianciolo, Claudio Ronco, Gaetano La Manna
Chronic kidney disease (CKD) exacerbating vascular disease poses a major challenge to nephrology. Surgically placed vascular fistulas, as an aid to hemodialysis prior to kidney transplant, have extended many lives, while post-surgical restenosis closure of the fistula by smooth muscle cells affects many lives. When post-surgical restenosis is developed, palliative measures are almost always surgical: there are no effective drug treatments. In this study, we offer a testable hypothesis that effects of CKD on widely distributed vascular diseases and the phenomenon of fistula restenosis are both driven by the pathologic creation of non-dividing smooth muscle cells via asymmetric division of exponentially increasing metakaryotic stem cells...
2017: Contributions to Nephrology
https://www.readbyqxmd.com/read/28533754/the-ace2-angiotensin-1-7-mas-receptor-axis-pleiotropic-roles-in-cancer
#2
REVIEW
Juanjuan Xu, Jinshuo Fan, Feng Wu, Qi Huang, Mengfei Guo, Zhilei Lv, Jieli Han, Limin Duan, Guorong Hu, Lian Chen, Tingting Liao, Wanli Ma, Xiaonan Tao, Yang Jin
Cancer remains one of the most common causes of death and disability and represents a major economic burden in industrialized nations. The renin-angiotensin system (RAS) has been well-recognized as one of the most important regulators of both normal and pathological physiological processes in the brain, kidney, heart, and blood vessels. The activation of the angiotensin-converting enzyme 2/angiotensin-(1-7)/mitochondrial assembly receptor [ACE2/Ang-(1-7)/MasR] axis, which is one component of the RAS, has recently been identified as a critical component of pulmonary systems, gastric mucosa, and cancer...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28507622/prognostic-value-of-vascular-endothelial-growth-factor-a-in-the-prediction-of-the-tumor-aggressiveness-in-clear-cell-renal-cell-carcinoma
#3
Fahredin Veselaj, Suzana Manxhuka-Kerliu, Arber Neziri, Labinot Shahini, Shefki Xharra, Liridon Selmani, Lloreta Kerliu, Floren Kavaja
BACKGROUND: Clear cell renal cell carcinoma (CCRCC) is the most predominant renal tumour with unpredictable tumour behaviour. The aim of the study is to investigate the prognostic value of vascular endothelial growth factor A (VEGF-A) expression in CCRCC and to correlate it with other histological parameters as well as with patient's survival. MATERIAL AND METHODS: Tumour blocks were taken from 40 patients with histopathology diagnosis of CCRCC and tissue block from 20 normal kidneys as a control group were examined using the immuno-histochemical staining for VEGF-A...
April 15, 2017: Open Access Macedonian Journal of Medical Sciences
https://www.readbyqxmd.com/read/28506051/-a-case-of-thyroid-like-follicular-carcinoma-of-the-kidney
#4
Katsuhiro Ito, Hiromitsu Negoro, Masashi Kubota, Hideaki Takada, Toshihiro Magaribuchi, Atsuro Sawada, Shusuke Akamatsu, Takashi Kobayashi, Naoki Terada, Toshinari Yamasaki, Takahiro Inoue, Tomomi Kamba, Yuki Teramoto, Osamu Ogawa
A 51-year-oldwoman with a right renal mass was referredto our hospital. Computedtomographic (CT) scan demonstrated a 30 mm-diameter renal mass with delayed enhancement. She underwent a robotassistedlaparoscopic right partial nephrectomy. The pathological examination showedthat tumor cells with eosinophilic, clear cytoplasm formedtubules of various sizes containing colloid-like material, which resembled the findings of thyroidfollicular carcinoma. The tumor was immunoreactive for vimentin andcytokeratin (CK) 7, whereas it lackedreactivity for thyroidtranscription factor-1 (TTF-1) or thyroglobulin...
April 2017: Hinyokika Kiyo. Acta Urologica Japonica
https://www.readbyqxmd.com/read/28497661/medication-related-osteonecrosis-of-the-jaw-risk-factors-in-patients-under-biphosphonate-versus-patients-under-antiresorptive-antiangiogenic-drugs
#5
Giulia Ghidini, Maddalena Manfredi, Ilaria Giovannacci, Giovanni Mergoni, Amin Sarraj, Maura Mureddu, Giovanna Giunta, Mauro Bonanini, Marco Meleti, Paolo Vescovi
BACKGROUND: Biphosphonate-Related Osteonecrosis of the Jaw (BRONJ) is a potential side effect associated with the administration of bisphosphonates; the aim of this work is to highlight the possible epidemiological differences between two groups of patients affected by MRONJ treated at the Center of Oral Medicine, Pathology and Laser Surgery of the Academic Hospital at the University of Parma, Italy, between January 2004 and June 2016. METHODS: Medical charts of 303 patients (214 Females and 89 Males, mean age 67y) treated at the Center of Oral Medicine, Pathology and Laser Surgery of the Academic Hospital at the University of Parma, between January 2004 and June 2016, were retrospectively analyzed...
May 10, 2017: Minerva Stomatologica
https://www.readbyqxmd.com/read/28492229/imaging-of-ph-in-vivo-using-hyperpolarized-13-c-labelled-zymonic-acid
#6
Stephan Düwel, Christian Hundshammer, Malte Gersch, Benedikt Feuerecker, Katja Steiger, Achim Buck, Axel Walch, Axel Haase, Steffen J Glaser, Markus Schwaiger, Franz Schilling
Natural pH regulatory mechanisms can be overruled during several pathologies such as cancer, inflammation and ischaemia, leading to local pH changes in the human body. Here we demonstrate that (13)C-labelled zymonic acid (ZA) can be used as hyperpolarized magnetic resonance pH imaging sensor. ZA is synthesized from [1-(13)C]pyruvic acid and its (13)C resonance frequencies shift up to 3.0 p.p.m. per pH unit in the physiological pH range. The long lifetime of the hyperpolarized signal enhancement enables monitoring of pH, independent of concentration, temperature, ionic strength and protein concentration...
May 11, 2017: Nature Communications
https://www.readbyqxmd.com/read/28489849/utilizing-bmp-2-muteins-for-treatment-of-multiple-myeloma
#7
Axel Seher, Charlotte Lagler, Thorsten Stühmer, Urs Dietmar Achim Müller-Richter, Alexander Christian Kübler, Walter Sebald, Thomas Dieter Müller, Joachim Nickel
Multiple myeloma (MM) represents a haematological cancer characterized by the pathological hyper proliferation of antibody-producing B-lymphocytes. Patients typically suffer from kidney malfunction and skeletal disorders. In the context of MM, the transforming growth factor β (TGFβ) member Activin A was recently identified as a promoter of both accompanying symptoms. Because studies have shown that bone morphogenetic protein (BMP)-2-mediated activities are counteracted by Activin A, we analysed whether BMP2, which also binds to the Activin A receptors ActRII and ActRIIB but activates the alternative SMAD-1/5/8 pathway, can be used to antagonize Activin A activities, such as in the context of MM...
2017: PloS One
https://www.readbyqxmd.com/read/28485354/detailed-study-of-survival-of-patients-with-renal-cell-carcinoma-in-india
#8
G P Abraham, T Cherian, P Mahadevan, T S Avinash, D George, E Manuel
PURPOSE: Renal cell carcinoma (RCC) accounts for approximately 90% of all renal malignancies. The rates of kidney cancers are high in developed countries and low in eastern countries and Africa. The objective was to conduct a survival study among Indian population following nephrectomy for RCC as there was a paucity of Indian studies in medical literature. MATERIALS AND METHODS: We conducted a follow-up study of eighty RCC patients who had nephrectomy between January 2003 and December 2010...
October 2016: Indian Journal of Cancer
https://www.readbyqxmd.com/read/28481647/the-predictive-value-of-transforming-growth-factor-%C3%AE-in-wilms-tumor-immunopathogenesis
#9
Marla Karine Amarante, Carlos Eduardo Coral de Oliveira, Carolina Batista Ariza, Alberto Yoichi Sakaguchi, Cintya Mayumi Ishibashi, Maria Angelica Ehara Watanabe
Wilms tumor is the most common kidney malignancy in children, especially in children aged less than 6 years. Although therapeutic approach has reached successful rates, there is still room for improvement. Considering the tumor microenvironment, cytokines represent important elements of interaction and communication between tumor cells, stroma, and immune cells. In this regard, the transforming growth factor beta (TGF-β) family members play significant functions in physiological and pathological conditions, particularly in cancer...
May 8, 2017: International Reviews of Immunology
https://www.readbyqxmd.com/read/28475301/label-free-quantification-of-intracellular-mitochondrial-dynamics-using-dielectrophoresis
#10
Ali Rohani, John H Moore, Jennifer A Kashatus, Hiromi Sesaki, David F Kashatus, Nathan S Swami
Mitochondrial dynamics play an important role within several pathological conditions, including cancer and neurological diseases. For the purpose of identifying therapies that target aberrant regulation of the mitochondrial dynamics machinery and characterizing the regulating signaling pathways, there is a need for label-free means to detect the dynamic alterations in mitochondrial morphology. We present the use of dielectrophoresis for label-free quantification of intracellular mitochondrial modifications that alter cytoplasmic conductivity, and these changes are benchmarked against label-based image analysis of the mitochondrial network...
May 15, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28462790/contemporary-spinal-oncology-treatment-paradigms-and-outcomes-for-metastatic-tumors-to-the-spine-a-systematic-review-of-breast-prostate-renal-and-lung-metastases
#11
REVIEW
Amy Yao, Christopher A Sarkiss, Travis R Ladner, Arthur L Jenkins
Metastatic spinal disease most frequently arises from carcinomas of the breast, lung, prostate, and kidney. Management of spinal metastases (SpM) is controversial in the literature. Recent studies advocate more aggressive surgical resection than older studies which called for radiation therapy alone, challenging previously held beliefs in conservative therapy. A literature search of the PubMed database was performed for spinal oncology outcome studies published in the English language between 2006 and 2016...
April 24, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28462701/depleted-uranium-and-human-health
#12
Armando Faa, Clara Gerosa, Daniela Fanni, Giuseppe Floris, Peter Van Eyken, Joanna Izabela Lachowicz, Valeria Marina Nurchi
Depleted uranium (DU) is generally considered an emerging pollutant, first extensively introduced into environment in the early nineties in Iraq, during the military operation called "Desert Storm". DU has been hypothesized to represent a hazardous element both for soldiers exposed as well as for the inhabitants of the polluted areas in the war zones. In this review, the possible consequences on human health of DU released in the environment are critically analyzed. In the first part, the chemical properties of DU and the principal civil and military uses are summarized...
April 25, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28448860/a-unique-presentation-of-renal-cell-transformation-into-renal-cell-carcinoma-in-subcutaneous-fatty-tissue-post-twenty-year-old-healing-gun-shot-wound-a-case-report
#13
Awadh R Alqahtani, Mohammed A Alqahtani
INTRODUCTION: Renal cell carcinoma (RCC) is the most common malignancy in the genitourinary tract, and is among the 10 most common cancers in both males and females. PRESENTATION OF CASE: We report a case of a 61-year-old male who presented with a cutaneous lesion on his left back side at a site where he had undergone several surgeries - including Left nephrectomy - twenty years ago for a gun-shot wound he sustained which penetrated his abdomen. DISCUSSION: At that time pathology reports turned out to be normal, specially left kidney pathology report which was negative for any malignancy...
March 21, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28429073/urinary-extracellular-vesicles-a-promising-shortcut-to-novel-biomarker-discoveries
#14
REVIEW
Karina Barreiro, Harry Holthofer
Proteomic and genomic techniques have reached full maturity and are providing unforeseen details for the comprehensive understanding of disease pathologies at a fraction of previous costs. However, for kidney diseases, many gaps in such information remain to inhibit major advances in the prevention, treatment and diagnostics of these devastating diseases, which have enormous global impact. The discovery of ubiquitous extracellular vesicles (EV) in all bodily fluids is rapidly increasing the fundamental knowledge of disease mechanisms and the ways in which cells communicate with distant locations in processes of cancer spread, immunological regulation, barrier functions and general modulation of cellular activity...
April 20, 2017: Cell and Tissue Research
https://www.readbyqxmd.com/read/28424250/unifying-mechanism-for-different-fibrotic-diseases
#15
Gerlinde Wernig, Shih-Yu Chen, Lu Cui, Camille Van Neste, Jonathan M Tsai, Neeraja Kambham, Hannes Vogel, Yaso Natkunam, D Gary Gilliland, Garry Nolan, Irving L Weissman
Fibrotic diseases are not well-understood. They represent a number of different diseases that are characterized by the development of severe organ fibrosis without any obvious cause, such as the devastating diseases idiopathic pulmonary fibrosis (IPF) and scleroderma. These diseases have a poor prognosis comparable with endstage cancer and are uncurable. Given the phenotypic differences, it was assumed that the different fibrotic diseases also have different pathomechanisms. Here, we demonstrate that many endstage fibrotic diseases, including IPF; scleroderma; myelofibrosis; kidney-, pancreas-, and heart-fibrosis; and nonalcoholic steatohepatosis converge in the activation of the AP1 transcription factor c-JUN in the pathologic fibroblasts...
May 2, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28421272/-the-pathology-of-adverse-events-with-immune-checkpoint-inhibitors
#16
V H Koelzer, K Glatz, L Bubendorf, A Weber, A Gaspert, G Cathomas, A Lugli, A Zippelius, W Kempf, K D Mertz
BACKGROUND: Immunotherapy has gained importance with the development of new effective cancer treatments. Immune checkpoint inhibitors (ICI) are monoclonal antibodies that promote T‑cell mediated tumor immune rejection. Checkpoint blockade also carries the risk of inducing autoimmune reactions ("immune related adverse events", irAEs). The diagnosis and classification of irAEs constitute a new and important field in pathology. AIM: Practice-oriented review of the diagnosis and classification of irAEs...
April 18, 2017: Der Pathologe
https://www.readbyqxmd.com/read/28415596/renal-mass-biopsy-using-raman-spectroscopy-identifies-malignant-and-benign-renal-tumors-potential-for-pre-operative-diagnosis
#17
Yufei Liu, Zhebin Du, Jin Zhang, Haowen Jiang
The accuracy of renal mass biopsy to diagnose malignancy can be affected by multiple factors. Here, we investigated the feasibility of Raman spectroscopy to distinguish malignant and benign renal tumors using biopsy specimens. Samples were collected from 63 patients who received radical or partial nephrectomy, mass suspicious of cancer and distal parenchyma were obtained from resected kidney using an 18-gauge biopsy needle. Four Raman spectra were obtained for each sample, and Discriminant Analysis was applied for data analysis...
March 21, 2017: Oncotarget
https://www.readbyqxmd.com/read/28406198/topological-defects-in-epithelia-govern-cell-death-and-extrusion
#18
Thuan Beng Saw, Amin Doostmohammadi, Vincent Nier, Leyla Kocgozlu, Sumesh Thampi, Yusuke Toyama, Philippe Marcq, Chwee Teck Lim, Julia M Yeomans, Benoit Ladoux
Epithelial tissues (epithelia) remove excess cells through extrusion, preventing the accumulation of unnecessary or pathological cells. The extrusion process can be triggered by apoptotic signalling, oncogenic transformation and overcrowding of cells. Despite the important linkage of cell extrusion to developmental, homeostatic and pathological processes such as cancer metastasis, its underlying mechanism and connections to the intrinsic mechanics of the epithelium are largely unexplored. We approach this problem by modelling the epithelium as an active nematic liquid crystal (that has a long range directional order), and comparing numerical simulations to strain rate and stress measurements within monolayers of MDCK (Madin Darby canine kidney) cells...
April 12, 2017: Nature
https://www.readbyqxmd.com/read/28395882/should-studies-on-glanzmann-thrombasthenia-not-be-telling-us-more-about-cardiovascular-disease-and-other-major-illnesses
#19
REVIEW
Alan T Nurden
Glanzmann thrombasthenia (GT) is a rare inherited bleeding disorder caused by loss of αIIbβ3 integrin function in platelets. Most genetic variants of β3 also affect the widely expressed αvβ3 integrin. With brief mention of mouse models, I now look at the consequences of disease-causing ITGA2B and ITGB3 mutations on the non-hemostatic functions of platelets and other cells. Reports of arterial thrombosis in GT patients are rare, but other aspects of cardiovascular disease do occur including deep vein thrombosis and congenital heart defects...
April 4, 2017: Blood Reviews
https://www.readbyqxmd.com/read/28382266/impact-of-lifestyle-diseases-on-postoperative-complications-and-survival-in-elderly-patients-with-stage-i-non-small-cell-lung-cancer
#20
Sang Seok Jeong, Pil Jo Choi, Jung Hoon Yi, Sung Sil Yoon
BACKGROUND: The influence of lifestyle diseases on postoperative complications and long-term survival in patients with non-small cell lung cancer (NSCLC) is unclear. The aim of this study was to determine whether lifestyle diseases were significant risk factors of perioperative and long-term surgical outcomes in elderly patients with stage I NSCLC. METHODS: Between December 1995 and November 2013, 110 patients aged 65 years or older who underwent surgical resection of stage I NSCLC at Dong-A University Hospital were retrospectively studied...
April 2017: Korean Journal of Thoracic and Cardiovascular Surgery
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