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https://www.readbyqxmd.com/read/28730730/renal-impairment-hampers-bisphosphonate-treatment-in-a-quarter-of-lung-cancer-patients-with-bone-metastasis
#1
Katalin Fábián, Rita Puskás, Tímea Kakuk, László Prés, Dorottya Fejes, Zsolt Szegedi, Lívia Rojkó, Zoltán Szállási, Balázs Döme, Orsolya Pipek, Judit Moldvay
Renal function impairment in lung cancer patients with bone metastases was investigated, as this can limit the application of bisphosphonates representing the gold standard in the management of such cases. Clinicopathological data of 570 lung cancer patients were retrospectively analysed for changes in renal function parameters. Co-morbidities included hypertension (50%), COPD (33%) and diabetes mellitus (15%). Statistical analysis was performed with Fisher's exact tests and a Cox proportional hazards model...
July 21, 2017: Basic & Clinical Pharmacology & Toxicology
https://www.readbyqxmd.com/read/28727296/chitosan-fe-iii-complex-as-a-phosphate-chelator-in-uraemic-rats-a-novel-treatment-option
#2
Wander Barros do Carmo, Bárbara Bruna Abreu Castro, Clóvis Antônio Rodrigues, Melani Ribeiro Custódio, Helady Sanders-Pinheiro
Phosphate retention and hyperphosphataemia are associated with increased mortality in chronic kidney disease (CKD) patients. We tested the use of cross-linked iron chitosan III (CH-FeCl) as a potential phosphate chelator in rats with CKD. We evaluated 96 animals, divided equally into 4 groups (control, CKD, CH-FeCl, and CKD/CH-FeCl), over 7 weeks. We induced CKD by feeding animals an adenine-enriched diet (0.75% in the first 4 weeks and 0.1% in the following 3 weeks). We administered 30 mg/kg daily of the test polymer, by gavage, from the third week until the end of the study...
July 20, 2017: Basic & Clinical Pharmacology & Toxicology
https://www.readbyqxmd.com/read/28722802/pathology-imagebase-a-reference-image-database-for-standardization-of-pathology
#3
Lars Egevad, John Cheville, Andrew J Evans, Jonas Hörnblad, James G Kench, Glen Kristiansen, Katia R M Leite, Cristina Magi-Galluzzi, Chin-Chen Pan, Hemamali Samaratunga, John R Srigley, Lawrence True, Ming Zhou, Mark Clements, Brett Delahunt
AIMS: Despite efforts to standardize histopathology practice through the development of guidelines, the interpretation of morphology is still hampered by subjectivity. We here describe Pathology Imagebase, a novel mechanism for establishing an international standard for the interpretation of pathology specimens. METHODS AND RESULTS: The International Society of Urological Pathology (ISUP) established a reference image database through the input of experts in the field...
July 19, 2017: Histopathology
https://www.readbyqxmd.com/read/28722276/identification-and-functional-analysis-of-an-adamtsl1-variant-associated-with-a-complex-phenotype-including-congenital-glaucoma-craniofacial-and-other-systemic-features-in-a-three-generation-human-pedigree
#4
Kathryn Hendee, Lauren Weiping Wang, Linda M Reis, Gregory M Rice, Suneel S Apte, Elena V Semina
Developmental glaucoma can occur as an isolated or syndromic condition and is genetically heterogeneous. We describe a three-generation family affected with developmental glaucoma, myopia, and/or retinal defects associated with variable craniofacial/dental, auditory, brain, renal, and limb anomalies. Whole exome sequencing identified a heterozygous c.124T> C, p.(Trp42Arg) allele in ADAMTSL1; co-segregation analysis confirmed the presence of this allele in four affected family members. The mutation affects a highly conserved residue and is strongly predicted to have a deleterious effect on protein function...
July 19, 2017: Human Mutation
https://www.readbyqxmd.com/read/28722110/renal-infiltrating-cd11c-cells-are-pathogenic-in-murine-lupus-nephritis-through-promoting-cd4-t-cell-responses
#5
Xiaofeng Liao, Jingjing Ren, Alec Reihl, Tharshikha Pirapakaran, Bharath Sreekumar, Thomas E Cecere, Christopher M Reilly, Xin M Luo
Lupus nephritis (LN) is a major manifestation of systemic lupus erythematosus (SLE) causing morbidity and mortality in 40-60% of SLE patients. The pathogenic mechanisms of LN are not completely understood. Recent studies have demonstrated the presence of various immune cell populations in lupus nephritic kidneys of both SLE patients and lupus-prone mice. These cells may play important pathogenic or regulatory roles in situ to promote or sustain LN. Here, using lupus-prone mouse models, we showed the pathogenic role of a kidney-infiltrating CD11c(+) myeloid cell population in LN...
July 19, 2017: Clinical and Experimental Immunology
https://www.readbyqxmd.com/read/28718983/multimodality-image-guided-cryoablation-for-inoperable-tumor-induced-osteomalacia
#6
Sri Harsha Tella, Hayet Amalou, Bradford J Wood, Richard Chang, Clara C Chen, Cemre Robinson, Michelle Millwood, Guthrie Lori, Sheng Xu, Elliot Levy, Venkatesh Krishnasamy, Rachel I Gafni, Michael T Collins
Tumor-induced osteomalacia (TIO) is a debilitating paraneoplastic condition caused by small phosphaturic mesenchymal tumors (PMTs) that secrete large amounts of the phosphate- and vitamin D-regulating hormone, FGF23. Tumor removal results in cure. However, due to high perioperative comorbidity, either from tumor location or host factors, surgery is sometimes not an option. Tumor destruction via cryoablation may be an effective option for inoperable PMTs. Three subjects with a confirmed diagnosis of TIO were studied...
July 18, 2017: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/28718911/clear-cell-renal-cell-carcinoma-validation-of-who-isup-grading
#7
Julien Dagher, Brett Delahunt, Nathalie Rioux-Leclercq, Lars Egevad, John R Srigley, Geoffrey Coughlin, Nigel Dunglinson, Troy Gianduzzo, Boon Kua, Greg Malone, Ben Martin, John Preston, Morgan Pokorny, Simon Wood, John Yaxley, Hemamali Samaratunga
AIM: In 2012, the International Society of Urological Pathology (ISUP) introduced a novel grading system for clear cell and papillary renal cell carcinoma (RCC) based upon increasing nucleolar prominence in grades 1 to 3, with the presence of extreme nuclear pleomorphism and/or tumour giant cells and/or sarcomatoid and/or rhabdoid differentiation as criteria for grade 4. This system is now incorporated in the latest World Health Organization renal tumour classification, being designated WHO/ISUP grading...
July 18, 2017: Histopathology
https://www.readbyqxmd.com/read/28715154/the-role-of-oxidative-stress-in-acute-renal-injury-of-newborn-rats-exposed-to-hypoxia-and-endotoxin
#8
Egor Y Plotnikov, Tatiana A Pavlenko, Irina B Pevzner, Ljubava D Zorova, Vasily N Manskikh, Denis N Silachev, Gennady T Sukhikh, Dmitry B Zorov
Neonatal kidney injury is a frequent pathology, especially among premature infants. The search for effective nephroprotection requires the creation of adequate experimental models of nephropathy in newborns. In this study, we explored the development of acute kidney injury (AKI) in neonatal rats during hypoxia or administration of endotoxin. We found that 2-h hypoxia (8% O2 ) and the intraperitoneal injection of 4 mg/kg lipopolysaccharide (LPS) causes the appearance of AKI markers, such as КIM-1 and NGAL in the rat urine after 24 and 72 h of exposure...
July 17, 2017: FEBS Journal
https://www.readbyqxmd.com/read/28714235/tuberculosis-after-kidney-transplantation-is-associated-with-significantly-impaired-allograft-function
#9
Silvana Daher Costa, Tainá Veras de Sandes-Freitas, Camilla Neves Jacinto, Lorena Vasconcelos Mesquita Martiniano, Yago Sucupira Amaral, Fernando José Villar Nogueira Paes, Maria Luiza de Mattos Brito Oliveira Sales, Ronaldo de Matos Esmeraldo, Elizabeth de Francesco Daher
BACKGROUND: This study aimed to evaluate renal function before, during and after the course of tuberculosis (TB) disease in kidney transplant recipients; and assess the risk factors for non-recovery of baseline renal function. METHODS: We performed a retrospective, single-center cohort study, including all patients with confirmed or presumed TB diagnosis after kidney transplant (n=34, 2.1%). Renal function was assessed by serum creatinine (Cr) and glomerular filtration rate (GFR) adjusted for deaths and graft losses...
July 17, 2017: Transplant Infectious Disease: An Official Journal of the Transplantation Society
https://www.readbyqxmd.com/read/28714222/barriers-to-vaccination-in-renal-transplant-recipients
#10
Angela Q Maldonado, David Johnson, Jennifer Trofe-Clark
Vaccine-preventable diseases remain at the forefront of challenges in the long-term care of renal transplant recipients (RTR). Although global vaccination campaigns targeting patients with end-stage renal disease or RTR are standard, rates of vaccination among renal transplant candidates and RTRs remain suboptimal. We highlight the multifactorial barriers leading to low vaccination rates in this vulnerable population. This article is protected by copyright. All rights reserved.
July 17, 2017: Transplant Infectious Disease: An Official Journal of the Transplantation Society
https://www.readbyqxmd.com/read/28714093/sexual-care-for-patients-receiving-dialysis-a-cross-sectional-study-identifying-the-role-of-nurses-working-in-the-dialysis-department
#11
Gaby F Van Ek, Adina Gawi, Melianthe P J Nicolai, Esmée M Krouwel, Brenda L Den Oudsten, Marjolein E M Den Ouden, Alexander F Schaapherder, Hein Putter, Rob C M Pelger, Henk W Elzevier
AIMS: To explore the role of nurses in the dialysis department in providing sexual care to patients receiving dialysis. BACKGROUND: Sexual health is not self-evident for patients undergoing dialysis; 70% experience sexual dysfunction. Nevertheless, sexual care is often not provided. DESIGN: A national cross-sectional survey. METHODS: Questionnaires (n=171) were sent to employees of 34 dialysis centres from January - May 2016...
July 16, 2017: Journal of Advanced Nursing
https://www.readbyqxmd.com/read/28710896/renal-allograft-histology-at-10-years-after-transplantation-in-the-tacrolimus-era-evidence-of-pervasive-chronic-injury
#12
Mark D Stegall, Lynn D Cornell, Walter D Park, Byron H Smith, Fernando G Cosio
Improving long-term renal allograft survival remains an important unmet need. To assess the extent of histologic injury at 10 years after transplantation in functioning grafts, we studied 575 consecutive adult solitary renal transplants performed between 2002 and 2005-77% from living donors and 92% maintained on tacrolimus-based immunosuppression. Ten-year graft survival was 59% and death-censored graft survival was 74%. Surveillance allograft biopsies were assessed at implantation, 5 years and 10 years from 145 patients that reached 10 years...
July 15, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/28710803/expression-of-the-major-vault-protein-mvp-and-cellular-vault-particles-in-fish
#13
Alyssa L Margiotta, Lisa J Bain, Charles D Rice
Cellular vaults are ubiquitous 13 mega Da multi-subunit ribonuceloprotein particles that may have a role in nucleocytoplasmic transport. Seventy percent of the vault's mass consists of a ≈100 kDa protein, the major vault protein. In humans, a drug resistance -associated protein, originally identified as lung resistance protein in metastatic lung cancer, was ultimately shown to be the previously described major vault protein. In this study, a partial major vault protein sequence was cloned from channel catfish...
July 15, 2017: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/28710786/comparison-of-perioperative-and-functional-outcomes-of-robotic-partial-nephrectomy-for-ct1a-versus-ct1b-renal-masses
#14
Christopher R Reynolds, Joan C Delto, David Paulucci, Corey Weinstein, Ketan Badani, Daniel Eun, Ronney Abaza, James Porter, Akshay Bhandari, Ashok Hemal
OBJECTIVES: To compare perioperative and functional outcomes of patients with cT1a or cT1b renal masses undergoing robotic partial nephrectomy in a large multi-institutional study. PATIENTS AND METHODS: The present retrospective IRB approved multi-institutional study utilized a prospectively maintained database to identify patients undergoing robotic partial nephrectomy by 6 surgeons for a solitary cT1a (n=1307) or cT1b (n=377) renal mass from 2006 to 2016. Perioperative and renal function outcomes at discharge and median follow-up of 12...
July 15, 2017: BJU International
https://www.readbyqxmd.com/read/28708333/conversion-from-calcineurin-inhibitors-to-mtor-inhibitors-as-primary-immunosuppressive-drugs-in-pediatric-heart-transplantation
#15
Alfred Asante-Korang, Jennifer Carapellucci, Diane Krasnopero, Abigail Doyle, Brian Brown, Ernest Amankwah
There are only a few reports of successful use of mammalian target of rapamycin (mTORI) as primary immunosuppression in pediatric heart transplantation. Compared to calcineurin inhibitors, mTORI have less side effects, especially nephrotoxicity, infections and malignancies. A retrospective study was conducted at our institution of all 170 heart transplants from 1995-2015. Nineteen patients were switched from tacrolimus(n=15) or cyclosporin(n=4) to everolimus(n=4) or sirolimus(n=15) due to nephrotoxicity(n=5), malignancy(n=8), EBV viremia/reactive plasmacytic changes(n=5) and immune hemolytic anemia(n=1)...
July 14, 2017: Clinical Transplantation
https://www.readbyqxmd.com/read/28708266/belatacept-conversion-in-an-hiv-positive-kidney-transplant-recipient-following-anti-thymocyte-globulin-induction
#16
Samatha A Kuten, Samir J Patel, Ashvin Baru, A Osama Gaber, Rustin D Crutchley, Venkataraman Ramanathan, Richard J Knight
Herein, we describe a case of early belatacept conversion in a human immunodeficiency virus (HIV)-positive kidney transplant recipient in an effort to improve suboptimal graft function and avoid drug interactions following anti-thymocyte globulin (ATG) administration. We observed improvement in renal function without HIV disease progression or opportunistic infections. Donor-specific antibodies appeared shortly after conversion but cleared without intervention. This case highlights belatacept as a means to improve renal function and avoid significant drug interactions even following ATG induction...
July 14, 2017: Transplant Infectious Disease: An Official Journal of the Transplantation Society
https://www.readbyqxmd.com/read/28701312/inflammation-and-premature-aging-in-advanced-chronic-kidney-disease
#17
Jeroen Kooman, Marijke Dekker, Len A Usvyat, Peter Kotanko, Frank Van der Sande, Casper G Schalkwijk, Paul G Shiels, Peter Stenvinkel
Systemic inflammation in end-stage renal disease (ESRD) is an established risk factor for mortality and a catalyst for other complications which are related to a premature aging phenotype, including muscle wasting, vascular calcification and other forms of premature vascular disease, depression, osteoporosis and frailty. Uremic inflammation is also mechanistically related to mechanisms involved in the aging process, such as telomere shortening, mitochondrial dysfunction, and altered nutrient sensing, which can have direct effect on cellular and tissue function...
July 12, 2017: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/28700114/increasing-incidence-of-melanoma%C3%A2-after-solid-organ-transplantation-a-retrospective-epidemiological-study
#18
Kinda Fattouh, Emilie Ducroux, Evelyne Decullier, Jean Kanitakis, Emmanuel Morelon, Pascale Boissonnat, Laurent Sebbag, Denis Jullien, Sylvie Euvrard
BACKGROUND: The risk of melanoma in organ transplant recipients (OTR) is increased compared with the general population. METHODS: This retrospective study registered all cases of post-transplant melanoma in kidney, heart, lung and liver transplant recipients followed in our specialized post-transplant Dermatology clinic since 1991. The yearly prevalence of melanoma and skin carcinoma between 2000 and 2015 were computed and compared in this population. Based on another cohort of kidney transplant recipients grafted since 2005, adjusted age- and sex- standardized incidence ratio (SIR) was calculated using a renal transplantation registry...
July 12, 2017: Transplant International: Official Journal of the European Society for Organ Transplantation
https://www.readbyqxmd.com/read/28699300/angiogenic-inflammatory-and-immunologic-markers-in-predicting-response-to-sunitinib-in-metastatic-renal-cell-carcinoma
#19
Ryuichi Mizuno, Go Kimura, Satoshi Fukasawa, Takeshi Ueda, Tsunenori Kondo, Hidehiko Hara, Sunao Shoji, Kent Kanao, Hayakazu Nakazawa, Kazunari Tanabe, Shigeo Horie, Mototsugu Oya
The objective of this prospective study was to identify baseline angiogenic and inflammatory markers in serum as well as the baseline levels of immune cells in whole blood to predict progression free survival in patients with metastatic renal cell carcinoma treated with sunitinib. Blood samples were collected at baseline in all 90 patients to analyse serum angiogenic and inflammatory marker together with peripheral blood immunological marker. The association between each marker and sunitinib efficacy was analyzed...
July 12, 2017: Cancer Science
https://www.readbyqxmd.com/read/28699283/prospective-evaluation-of-chronic-organ-damage-in-adult-sickle-cell-patients-a-seven-year-follow-up-study
#20
Charlotte F J van Tuijn, Marein Schimmel, Eduard J van Beers, Erfan Nur, Bart J Biemond
Organ damage in sickle cell disease (SCD) is a crucial determinant for disease severity and prognosis. In a previous study, we analyzed the prevalence of SCD-related organ damage and complications in adult sickle cell patients. We now describe a seven-year follow-up of this cohort. All patients from the primary analysis in 2006 (n=104), were included for follow-up. Patients were screened for SCD-related organ damage and complications (microalbuminuria, renal failure, elevated tricuspid regurgitation flow velocity (TRV) (≥2...
July 11, 2017: American Journal of Hematology
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