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https://www.readbyqxmd.com/read/28495961/an-evolutionarily-conserved-role-of-presenilin-in-neuronal-protection-in-the-aging-drosophila-brain
#1
Jongkyun Kang, Sarah Shin, Norbert Perrimon, Jie Shen
Mutations in the Presenilin genes are the major genetic cause of Alzheimer's disease. Presenilin and Nicastrin are essential components of γ-secretase, a multi-subunit protease that cleaves Type I transmembrane proteins. Genetic studies in mice previously demonstrated that conditional inactivation of Presenilin or Nicastrin in excitatory neurons of the postnatal forebrain results in memory deficits, synaptic impairment and age-dependent neurodegeneration. The roles of Drosophila Presenilin (Psn) and Nicastrin (Nct) in the adult fly brain, however, are unknown...
May 11, 2017: Genetics
https://www.readbyqxmd.com/read/28472538/singapore-indian-eye-study-2-methodology-and-impact-of-migration-on-systemic-and-eye-outcomes
#2
Charumathi Sabanayagam, Wanfen Yip, Preeti Gupta, Riswana Bb Mohd Abdul, Ecosse Lamoureux, Neelam Kumari, Gemmy Cm Cheung, Carol Y Cheung, Jie Jin Wang, Ching-Yu Cheng, Tien Yin Wong
IMPORTANCE: Asian Indians are the fastest growing migration groups in the world. Studies evaluating the impact of migration on disease outcomes in this population are rare. BACKGROUND: We describe the methodology of the Singapore Indian Eye Study-2 (SINDI-2) aimed to evaluate the impact of migration status on diabetic retinopathy and other major age-related eye diseases in Asian Indians living in an urban environment. DESIGN: Population-based cohort study...
May 4, 2017: Clinical & Experimental Ophthalmology
https://www.readbyqxmd.com/read/28453510/is-aspirin-associated-with-diabetic-retinopathy-the-singapore-epidemiology-of-eye-disease-seed-study
#3
Yuan Shi, Yih-Chung Tham, Ning Cheung, Jacqueline Chua, Gavin Tan, Paul Mitchell, Jie Jin Wang, Yin Bun Cheung, Ching-Yu Cheng, Tien Yin Wong
BACKGROUND/AIMS: To determine the association between aspirin use and diabetic retinopathy (DR) among persons with diabetes, in a population-based, cross-sectional study. METHODS: Subjects with diabetes aged >40 years from the Singapore Epidemiology of Eye Diseases Study were enrolled in this study. Retinal photographs were graded for DR according to the modified Airlie House classification system. Vision threatening diabetic retinopathy (VTDR) was defined as the presence of severe non-proliferative DR, or proliferative DR, or clinically significant macular oedema...
2017: PloS One
https://www.readbyqxmd.com/read/28432745/safety-of-sitagliptin-in-patients-with-type-2-diabetes-and-chronic-kidney-disease-outcomes-from-tecos
#4
Samuel S Engel, Shailaja Suryawanshi, Susanna R Stevens, Robert G Josse, Jan H Cornel, Neli Jakuboniene, Axel Riefflin, Tsvetalina Tankova, Julio Wainstein, Eric D Peterson, Rury R Holman
AIMS: To characterize the incidence of diabetes-associated complications and assess the safety of sitagliptin in participants with chronic kidney disease (CKD) in the Trial Evaluating Cardiovascular Outcomes with Sitagliptin (TECOS). MATERIALS AND METHODS: For participants with baseline eGFR measurements (n = 14,528), baseline characteristics and safety outcomes were compared for the CKD cohort (eGFR <60 mL/min per 1.73 m(2) ) versus those without CKD. Within the CKD cohort, the same analyses were performed comparing sitagliptin- and placebo-assigned participants...
April 22, 2017: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/28402694/serum-phosphate-and-retinal-microvascular-changes-the-multi-ethnic-study-of-atherosclerosis-and-the-beaver-dam-eye-study
#5
Rupal Mehta, Alexander Hodakowski, Xuan Cai, Kris E Lee, Bryan R Kestenbaum, Ian H de Boer, Amani Fawzi, Tien Yin Wong, Joachim Ix, Barbara Klein, Ronald Klein, Tamara Isakova
PURPOSE: Higher levels of serum phosphate are strongly linked to increased risk of cardiovascular disease and therapies aimed to lower serum phosphate are employed in the management of patients with chronic kidney disease (CKD). Data are limited, however, on serum phosphate as a risk factor for microvascular disease in community-based populations. It is important to determine the impact of novel risk factors, such as phosphate, on the microvasculature. METHODS: We conducted a prospective study of 3919 individuals in the Multi-Ethnic Study of Atherosclerosis (MESA) and 3544 individuals in the Beaver Dam Eye Study (BDES) to test the associations of serum phosphate with retinopathy and retinal vessel caliber, and change in retinopathy severity and change in retinal vessel caliber...
April 12, 2017: Ophthalmic Epidemiology
https://www.readbyqxmd.com/read/28360983/association-between-serum-25-hydroxyvitamin-d-levels-and-dry-eye-in-korean-adults-a-study-based-on-korean-national-health-and-nutrition-examination-survey-2010-2011
#6
Min Ji Kim, Hye Rim Hwang, Yun-Jin Kim, Sang-Yeoup Lee, Jeong-Gyu Lee, Dong-Wook Jeong, Yun Hee Kim
BACKGROUND: Dry eye is a common disease. Many patients continue to experience residual symptoms despite optimal treatment. Thus, new treatment options are required. The purpose of this study was to evaluate the association between serum 25-hydroxyvitamin D [25(OH)D] levels and dry eye. METHODS: This study was performed using data from the fifth Korean National Health and Nutrition Examination Survey, which is a cross-sectional study of the Korean population that was conducted from 2010 to 2011...
March 2017: Korean Journal of Family Medicine
https://www.readbyqxmd.com/read/28245741/isfm-consensus-guidelines-on-the-diagnosis-and-management-of-hypertension-in-cats
#7
Samantha S Taylor, Andrew H Sparkes, Katherine Briscoe, Jenny Carter, Salva Cervantes Sala, Rosanne E Jepson, Brice S Reynolds, Brian A Scansen
Practical relevance: Feline hypertension is a common disease in older cats that is frequently diagnosed in association with other diseases such as chronic kidney disease and hyperthyroidism (so-called secondary hypertension), although some cases of apparent primary hypertension are also reported. The clinical consequences of hypertension can be severe, related to 'target organ damage' (eye, heart and vasculature, brain and kidneys), and early diagnosis followed by appropriate therapeutic management should help reduce the morbidity associated with this condition...
March 2017: Journal of Feline Medicine and Surgery
https://www.readbyqxmd.com/read/27942587/chorioretinal-thinning-in-chronic-kidney-disease-links-to-inflammation-and-endothelial-dysfunction
#8
Craig Balmforth, Job J M H van Bragt, Titia Ruijs, James R Cameron, Robert Kimmitt, Rebecca Moorhouse, Alicja Czopek, May Khei Hu, Peter J Gallacher, James W Dear, Shyamanga Borooah, Iain M MacIntyre, Tom M C Pearson, Laura Willox, Dinesh Talwar, Muriel Tafflet, Christophe Roubeix, Florian Sennlaub, Siddharthan Chandran, Baljean Dhillon, David J Webb, Neeraj Dhaun
BACKGROUND. Chronic kidney disease (CKD) is strongly associated with cardiovascular disease and there is an established association between vasculopathy affecting the kidney and eye. Optical coherence tomography (OCT) is a novel, rapid method for high-definition imaging of the retina and choroid. Its use in patients at high cardiovascular disease risk remains unexplored. METHODS. We used the new SPECTRALIS OCT machine to examine retinal and retinal nerve fiber layer (RNFL) thickness, macular volume, and choroidal thickness in a prospective cross-sectional study in 150 subjects: 50 patients with hypertension (defined as a documented clinic BP greater than or equal to 140/90 mmHg (prior to starting any treatment) with no underlying cause identified); 50 with CKD (estimated glomerular filtration rate (eGFR) 8-125 ml/min/1...
December 8, 2016: JCI Insight
https://www.readbyqxmd.com/read/27830398/relationships-between-vitreous-levels-of-soluble-receptor-for-advanced-glycation-end-products-srage-and-renal-function-in-patients-with-diabetic-retinopathy
#9
Makiko Katagiri, Jun Shoji, Satoshi Kato, Shigehiko Kitano, Yasuko Uchigata
PURPOSE: We investigated the relationship between vitreous levels of soluble receptor for advanced glycation end products (sRAGE) and vascular endothelial growth factor (VEGF) and renal function, and correlations between vitreous sRAGE levels and proliferative diabetic retinopathy (PDR) activity. METHODS: We examined 33 eyes from 33 patients with diabetes mellitus who underwent a vitrectomy (eight patients in the non-PDR [NPDR] group and 25 in the PDR group). Serum creatinine levels and estimated glomerular filtration rate (eGFR) were measured and classified according to the chronic kidney disease (CKD)-staging method...
November 9, 2016: International Ophthalmology
https://www.readbyqxmd.com/read/27621866/chronic-kidney-disease-and-the-severity-of-coronary-artery-disease-and-retinal-microvasculature-changes-a-cross-sectional-study
#10
Kevin Phan, Cheryl Au, Paul Mitchell, Gerald Liew, Adam J H Plant, Sarah B Wang, Joseph Chiha, Aravinda Thiagalingam, George Burlutsky, Bamini Gopinath
BACKGROUND: Prior studies have suggested the association between incidence of coronary artery disease (CAD) with chronic kidney disease (CKD) and poor glomerular filtration function. However to the best of our knowledge, few studies have specifically assessed this relationship based on the severity of CAD as quantified using Extent and Gensini scores. METHODS: Between June 2009 and January 2012, data were collected from 1,680 participants as part of the Australian Heart Eye Study (AHES) cohort...
August 2016: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/27600432/mitochondria-and-the-nlrp3-inflammasome-physiological-and-pathological-relevance
#11
REVIEW
Je-Wook Yu, Myung-Shik Lee
The NLRP3 inflammasome is assembled and activated in certain types of myeloid cells upon sensing microbe-derived toxins or host-derived danger signals. Activation of the NLRP3 inflammasome by endogenous ligands has been discovered in various disorders, including metabolic syndrome, type 2 diabetes, atherosclerosis, gout, reperfusion injury of the heart, neurodegeneration, such as Alzheimer's disease, chronic kidney diseases, and macular degeneration of the eyes. Despite the potential significance of the NLRP3 inflammasome in the pathogenesis of several diseases, details on the activation mechanism of the NLRP3 inflammasome by a variety of stimulators have yet to be reported...
November 2016: Archives of Pharmacal Research
https://www.readbyqxmd.com/read/27479245/presumed-furosemide-associated-bilateral-angle-closure-glaucoma
#12
Oussama N Boundaoui, Todd E Woodruff
PURPOSE: To report a case of presumed furosemide-associated bilateral angle-closure glaucoma. METHODS: Retrospective case report with spectral domain anterior segment optical coherence tomography imaging. RESULTS: A 21-year-old African American woman in her 17th week of pregnancy presented with acute angle-closure glaucoma in both eyes after being started on furosemide in her first trimester for fluid overload. Intraocular pressures were elevated in the low 40s mm Hg bilateral (OU) and anterior chambers were shallow with narrow grade 1 angles on gonioscopy (Schaffer classification)...
August 2016: Journal of Glaucoma
https://www.readbyqxmd.com/read/27469161/success-stories-showing-the-diversity-of-kidney-foundations-turkish-kidney-foundation
#13
Timur Erk
Founded in 1985, the Turkish Kidney Foundation serves the society with 3 dialysis centers and a 113-bed general hospital. Interacting with public authorities and advocating end-stage renal disease (ESRD) patients' rights are essential services of this non-governmental organization (NGO). Over the last 30 years, keeping with the trend of chronic kidney disease (CKD) in the country, the foundation raised awareness in the population for this condition and prepared an activity road map by using statistical facts and data...
2016: Clinical Nephrology
https://www.readbyqxmd.com/read/27128810/unilateral-macular-star-in-a-case-of-hypertension-and-retinitis-pigmentosa
#14
Rohan Chawla, Koushik Tripathy, Sunil Chaudhary, Swati Phuljhele, Pradeep Venkatesh
PURPOSE: To describe a case of hypertension and retinitis pigmentosa presenting with a unilateral macular star. METHODS: Case report. RESULTS: A 17-year-old female with chronic kidney disease and hypertension presented with a mild blurring of vision in the left eye. There was a history of night blindness. Both eyes had optic disc pallor, arteriolar attenuation, and peripheral bony spicules suggestive of the triad of retinitis pigmentosa. Macular star was seen in the left eye alone...
April 29, 2016: Seminars in Ophthalmology
https://www.readbyqxmd.com/read/27077127/increased-burden-of-vision-impairment-and-eye-diseases-in-persons-with-chronic-kidney-disease-a-population-based-study
#15
Chee Wai Wong, Ecosse L Lamoureux, Ching-Yu Cheng, Gemmy Chui Ming Cheung, E Shyong Tai, Tien Y Wong, Charumathi Sabanayagam
BACKGROUND: Chronic kidney disease (CKD) has been shown to be associated with diabetic retinopathy (DR) and age-related macular degeneration (AMD), leading causes of blindness in elderly adults in previous studies. However, the association of CKD with visual impairment (VI) is not clear. We aimed to examine the association of CKD with VI and other age-related ocular diseases in a population-based sample of Asian adults. METHODS: We analyzed data from 10,033 adults aged 40-80 years who participated in the Singapore Epidemiology of Eye Diseases (SEED, 2004-11) Study...
March 2016: EBioMedicine
https://www.readbyqxmd.com/read/26928726/cystatin-c-chronic-kidney-disease-and-retinopathy-in-adults-without-diabetes
#16
Wei Yan Ng, Boon Wee Teo, E Shyong Tai, Sunil Sethi, Ecosse Lamoureux, Wong Tien Yin, Charumathi Sabanayagam
BACKGROUND: Serum cystatin C, a novel marker of renal function has been shown to be superior to serum creatinine in predicting renal function decline and adverse outcomes of chronic kidney disease (CKD). Our aim was to investigate the association between cystatin C and retinopathy in adults without diabetes. METHODS: We examined 1725 Indian adults, aged 40-80 years who participated in the Singapore Indian Eye Study (2007-2009) and were free of diabetes mellitus...
September 2016: European Journal of Preventive Cardiology
https://www.readbyqxmd.com/read/26656332/retinal-vessel-diameter-and-chronic-kidney-disease-in-rural-china-a-cross-sectional-study
#17
MULTICENTER STUDY
Shumin Bao, Wen Huang, Yuanbo Liang, Liping Jiang, Fenghua Wang, Yi Peng, Guangjuan Zhang, Ningli Wang
Few studies have examined the relationship between retinal microvascular abnormalities and chronic kidney disease (CKD). This study aims to examine the association between retinal vessel diameters and CKD in the rural China in order to provide the scientific basis for the early detection and diagnosis for CKD.Participants and data were extracted from the Handan Eye Study, a population-based cross-sectional study performed from 2006 to 2007. The central retinal arteriolar equivalent (CRAE) and central retinal venular equivalent (CRVE) were summarized by the average arteriolar and venular caliber of each eye...
December 2015: Medicine (Baltimore)
https://www.readbyqxmd.com/read/26629347/changes-in-diabetes-care-indicators-findings-from-german-national-health-interview-and-examination-surveys-1997-1999-and-2008-2011
#18
Yong Du, Christin Heidemann, Angelika Schaffrath Rosario, Amanda Buttery, Rebecca Paprott, Hannelore Neuhauser, Thea Riedel, Andrea Icks, Christa Scheidt-Nave
OBJECTIVES: To investigate changes in type 2 diabetes care indicators over time in Germany. METHODS: Adults aged 45-79 years with type 2 diabetes were identified from two national health examination surveys conducted in 1997-1999 (GNHIES98, n=333) and in 2008-2011 (DEGS1, n=526). We examined diabetes care indicators including treatment and preventive targets (glycemic control, blood pressure (BP), total cholesterol (TC), smoking, weight reduction, sports activity), self-management and care process measures (glucose self-monitoring, holding a diabetes passport, annual foot and eye examination; statin use), and the presence of diabetes-specific complications (diabetic nephropathy, retinopathy, neuropathy, diabetic foot, amputations) and comorbid cardiovascular disease (CVD) or chronic kidney disease (CKD)...
2015: BMJ Open Diabetes Research & Care
https://www.readbyqxmd.com/read/26576434/serum-cystatin-c-markers-of-chronic-kidney-disease-and-retinopathy-in-persons-with-diabetes
#19
Chee Wai Wong, Boon Wee Teo, Ecosse Lamoureux, Mohammad Kamran Ikram, Jie Jin Wang, E Shyong Tai, Sunil Sethi, Tien Yin Wong, Charumathi Sabanayagam
PURPOSE: We examined the association of CKD defined by serum creatinine, serum cystatin C, and albuminuria with moderate diabetic retinopathy (DR). METHODS: We examined 1,119 Indian adults with diabetes, aged 40-80 years, who participated in the Singapore Indian Eye Study (2007-2009), a population-based cross-sectional study. The associations of CKD defined by each of the three markers alone and in combination with moderate DR were examined using logistic regression models adjusted for potential confounding factors including duration of diabetes, smoking, body mass index, systolic blood pressure, and HbA1c...
2015: Journal of Diabetes Research
https://www.readbyqxmd.com/read/26568188/renal-involvement-in-primary-sj%C3%A3-gren-syndrome
#20
REVIEW
Hélène François, Xavier Mariette
Primary Sjögren syndrome (pSS) is an autoimmune disorder characterized by lymphoplasmacytic infiltration of the exocrine (salivary and lachrymal) glands that results in sicca symptoms (dryness of the eyes and mouth). Systemic complications can occur in pSS, but renal involvement is rare, affecting <10% patients. The most frequent form of nephropathy in pSS is tubulointerstitial nephritis (TIN), in which infiltration of the kidney by plasma cells is a key feature and shows similarity to the lymphoplasmacytic infiltration of the salivary glands...
February 2016: Nature Reviews. Nephrology
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