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https://www.readbyqxmd.com/read/28432319/diabetic-retinopathy-and-clinical-parameters-favoring-the-presence-of-diabetic-nephropathy-could-predict-renal-outcome-in-patients-with-diabetic-kidney-disease
#1
Chi-Chih Hung, Hugo You-Hsien Lin, Daw-Yang Hwang, I-Ching Kuo, Yi-Wen Chiu, Lee-Moay Lim, Shang-Jyh Hwang, Hung-Chun Chen
Diabetes duration, diabetic retinopathy (DR), and a diagnostic model have been proposed as clinical parameters favoring the presence of diabetic nephropathy (DN) in biopsied patients with diabetic kidney disease. DN, compared with non-diabetic renal disease, had poorer renal outcomes. We tested whether these clinical parameters favoring DN are associated with poorer renal outcomes in non-biopsied patients. In this study, 1330 patients with type 2 diabetes and chronic kidney disease stages 1-4 were included and divided according to diabetes mellitus (DM) duration >8 years, DR, or a diagnostic model for DN...
April 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28427767/%C3%AE-arrestins-negatively-control-human-adrenomedullin-type-1-receptor-internalization
#2
Kenji Kuwasako, Kazuo Kitamura, Sayaka Nagata, Toshio Sekiguchi, Jiang Danfeng, Manabu Murakami, Yuichi Hattori, Johji Kato
Adrenomedullin (AM) is a potent hypotensive peptide that exerts a powerful variety of protective effects against multiorgan damage through the AM type 1 receptor (AM1 receptor), which consists of the calcitonin receptor-like receptor (CLR) and receptor activity-modifying protein 2 (RAMP2). Two β-arrestin (β-arr) isoforms, β-arr-1 and β-arr-2, play a central role in the agonist-induced internalization of many receptors for receptor resensitization. Notably, β-arr-biased agonists are now being tested in phase II clinical trials, targeting acute pain and acute heart failure...
April 17, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28427241/egfr-inhibition-attenuates-diabetic-nephropathy-through-decreasing-ros-and-endoplasmic-reticulum-stress
#3
Zheng Xu, Yunjie Zhao, Peng Zhong, Jingying Wang, Qiaoyou Weng, Yuanyuan Qian, Jibo Han, Chunpeng Zou, Guang Liang
Diabetic nephropathy (DN) is a progressive kidney disease due to glomerular capillary damage in diabetic patients. Endoplasmic reticulum (ER) stress caused by reactive oxygen species (ROS) is associated with DN progression. Epidermal growth factor receptor (EGFR) mediates oxidative stress and damage of cardiomyocytes in diabetic mice. Here we demonstrated that AG1478, a specific inhibitor of EGFR, blocked EGFR and AKT phosphorylation in diabetic mice. Oxidative stress and ER stress markers were eliminated after AG1478 administration...
March 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28425160/causes-of-nephrotic-syndrome-and-nephrotic-range-proteinuria-are-different-in-adult-chinese-patients-a-single-centre-study-over-33%C3%A2-years
#4
Jack Kit-Chung Ng, Terry King-Wing Ma, Fernand Mac-Moune Lai, Kai Ming Chow, Bonnie Ching-Ha Kwan, Chi Bon Leung, Philip Kam-To Li, Cheuk Chun Szeto
BACKGROUND: The reported causes of nephrotic syndrome (NS) varied between different countries. Less is known about the causes of nephrotic-range proteinuria (NPU). METHODS: In this single-centre, retrospective study of adult patients who underwent renal biopsy between 1983-2015 in a tertiary referral hospital in Hong Kong, we aimed to evaluate the underlying causes of NS and NPU. We also determined the distribution of histopathological diagnoses with regard to the age subgroups and time periods RESULTS: Among 7,456 patients who underwent renal biopsy, 982 and 838 patients had NS and NPU, respectively...
April 20, 2017: Nephrology
https://www.readbyqxmd.com/read/28424354/less-effective-selection-leads-to-larger-genomes
#5
Tristan Lefébure, Claire Morvan, Florian Malard, Clémentine François, Lara Konecny-Dupré, Laurent Guéguen, Michèle Weiss-Gayet, Andaine Seguin-Orlando, Luca Ermini, Clio Der Sarkissian, N Pierre Charrier, David Eme, Florian Mermillod-Blondin, Laurent Duret, Cristina Vieira, Ludovic Orlando, Christophe Douady
The evolutionary origin of the striking genome size variations found in eukaryotes remains enigmatic. The effective size of populations, by controlling selection efficacy, is expected to be a key parameter underlying genome size evolution. However, this hypothesis has proved difficult to investigate using empirical datasets. Here, we tested this hypothesis using twenty-two de novo transcriptomes and low-coverage genomes of asellid isopods, which represent eleven independent habitat shifts from surface water to resource-poor groundwater...
April 19, 2017: Genome Research
https://www.readbyqxmd.com/read/28423875/adaptive-selection-at-agouti-gene-inferred-breed-specific-selection-signature-within-the-indigenous-goat-populations
#6
Hafiz Ishfaq Ahmad, Guiqiong Liu, Xunping Jiang, Chenhui Liu, Xu Fangzheng, Yuqing Chong, Nabeel Ijaz, Huang Huarong
Objective: The aim of this study was to calculate selection signatures at possible loci leading to population differentiation, as well as pattern of selection of agouti gene within the local goat breeds and its correlation among other animal species to reveal molecular evolution. Methods: The high Fst outlier method corresponding to Fst distribution was used to identify the loci subject to positive selection. According to the empirical distribution of Fst estimates, we selected the SNPs having high Fst outlier corresponded to the upper 1% of the distribution as the loci under selection...
April 19, 2017: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/28414384/measurement-of-the-linear-thermo-optical-coefficient-of-ga-sub-0-51-sub-in-sub-0-49-sub-p-using-photonic-crystal-nanocavities
#7
Sergei Sokolov, Jin Lian, Sylvain Combrié, Alfredo De Rossi, Allard P Mosk
Ga<sub>0.51</sub>In<sub>0.49</sub>P is a promising candidate for thermally tunable nanophotonic devices due to its low thermal conductivity. In this work we study its thermo-optical response. We obtain the linear thermo-optical coefficient dn/dT=2.0±0.3·10<sup>-4</sup>  K<sup>-1</sup> by investigating the transmission properties of a single mode-gap photonic crystal nanocavity.
April 10, 2017: Applied Optics
https://www.readbyqxmd.com/read/28414325/hedgehog-signaling-pathway-affects-the-sensitivity-of-hepatoma-cells-to-drug-therapy-through-the-abcc1-transporter
#8
Jia Ding, Xiao-Tian Zhou, Hao-Yu Zou, Jian Wu
The poor response to drug therapy often seen in hepatocellular carcinoma requires insight into the molecular interplay responsible for intrinsic or acquired drug resistance. We previously demonstrated that the CD133(-)/EpCAM(-) subpopulation of the Huh-7 hepatoma cell line features aberrant activation of the hedgehog signaling (Hh) pathway and chemoresistance. The prevailing hypothesis of the present study is that hedgehog signaling may govern expression of ATP-binding cassette (ABC) transporters, which are responsible for drug resistance in the CD133(-)/EpCAM(-) subpopulation...
April 17, 2017: Laboratory Investigation; a Journal of Technical Methods and Pathology
https://www.readbyqxmd.com/read/28414198/ly333531-a-pkc%C3%AE-inhibitor-attenuates-glomerular-endothelial-cell-apoptosis-in-the-early-stage-of-mouse-diabetic-nephropathy-via-down-regulating-swiprosin-1
#9
Zhi-Bin Wang, Su Zhang, Ya Li, Rong-Mei Wang, Ling-Chang Tong, Yue Wang, Wei-Ye Liu, Ding-Feng Su, Ye Tu, Li-Chao Zhang, Ling Li
Glomerular endothelial cell (GEC) injury plays an important role in the early stage of diabetic nephropathy (DN). Previous studies show that a PKCβ inhibitor is effective for treating DN. In the current study we further explored the effects and molecular mechanisms of PKCβ inhibitors on GEC apoptosis in DN in streptozotocin-induced diabetic mice in vivo and high glucose- or PMA-treated human renal glomerular endothelial cells (HRGECs) in vitro. In the diabetic mice, hyperglycemia caused aggravated nephropathy and GEC apoptosis accompanied by significantly increased expression of swiprosin-1, a potentally pro-apoptotic protein...
April 17, 2017: Acta Pharmacologica Sinica
https://www.readbyqxmd.com/read/28411451/anisotropic-tough-double-network-hydrogel-from-fish-collagen-and-its-spontaneous-in%C3%A2-vivo-bonding-to-bone
#10
Md Tariful Islam Mredha, Nobuto Kitamura, Takayuki Nonoyama, Susumu Wada, Keiko Goto, Xi Zhang, Tasuku Nakajima, Takayuki Kurokawa, Yasuaki Takagi, Kazunori Yasuda, Jian Ping Gong
Soft supporting tissues in the human body, such as cartilages and ligaments, are tough materials and firmly fixed to bones. These soft tissues, once injured, cannot regenerate spontaneously invivo. Developing tough and biocompatible hydrogels as artificial soft supporting tissues would substantially improve outcomes after soft tissue injury. Collagen is the main rigid component in soft connective tissues which is organized in various hierarchical arrays. We have successfully developed a novel class of collagen fibril-based tough hydrogels based on the double network (DN) concept using swim bladder collagen (SBC) extracted from Bester sturgeon fish...
April 5, 2017: Biomaterials
https://www.readbyqxmd.com/read/28410828/early-onset-symptomatic-neuropathy-in-a-child-with-type-1-diabetes-mellitus
#11
Obeid Mohammad Shafi, Muzamil Latief
Diabetic neuropathy (DN) is a major complication of Type 1 Diabetes Mellitus (T1DM). It is usually subclinical in childhood, but can cause significant impairment with its progression through to adulthood. Current guidelines vary in their recommendation regarding screening for DN in children with T1DM, with some advocating starting screening 5 years after the diagnosis of T1DM. Clinical assessment comprising of history and neurological examination is the most commonly used method for screening, though Nerve Conduction Studies (NCS) provide better sensitivity in picking up early subclinical diabetic neuropathy...
April 5, 2017: Diabetes & Metabolic Syndrome
https://www.readbyqxmd.com/read/28408805/effect-of-berberine-on-the-renal-tubular-epithelial-to-mesenchymal-transition-by-inhibition-of-the-notch-snail-pathway-in-diabetic-nephropathy-model-kkay-mice
#12
Guannan Yang, Zongjiang Zhao, Xinxue Zhang, Amin Wu, Yawei Huang, Yonghui Miao, Meijuan Yang
Renal tubular epithelial-to-mesenchymal transition (EMT) and renal tubular interstitial fibrosis are the main pathological changes of diabetic nephropathy (DN), which is a common cause of end-stage renal disease. Previous studies have suggested that berberine (BBR) has antifibrotic effects in the kidney and can reduce apoptosis and inhibit the EMT of podocytes in DN. However, the effect of BBR on the renal tubular EMT in DN and its mechanisms of action are unknown. This study was performed to explore the effects of BBR on the renal tubular EMT and the molecular mechanisms of BBR in DN model KKAy mice and on the high glucose (HG)-induced EMT in mouse renal tubular epithelial cells...
2017: Drug Design, Development and Therapy
https://www.readbyqxmd.com/read/28407487/matching-nlr-immune-receptors-to-autoimmunity-in-camta3-mutants-using-antimorphic-nlr-alleles
#13
Signe Lolle, Christiaan Greeff, Klaus Petersen, Milena Roux, Michael Krogh Jensen, Simon Bressendorff, Eleazar Rodriguez, Kenneth Sømark, John Mundy, Morten Petersen
To establish infection, pathogens deploy effectors to modify or remove host proteins. Plant immune receptors with nucleotide-binding, leucine-rich repeat domains (NLRs) detect these modifications and trigger immunity. Plant NLRs thus guard host "guardees." A corollary is that autoimmunity may result from inappropriate NLR activation because mutations in plant guardees could trigger corresponding NLR guards. To explore these hypotheses, we expressed 108 dominant-negative (DN) Arabidopsis NLRs in various lesion mimic mutants, including camta3, which exhibits autoimmunity...
April 12, 2017: Cell Host & Microbe
https://www.readbyqxmd.com/read/28405688/regulation-of-glioma-migration-and-invasion-via-modification-of-rap2a-activity-by-the-ubiquitin-ligase-nedd4-1
#14
Lei Wang, Bingxin Zhu, Shiquan Wang, Yuxuan Wu, Wenjian Zhan, Shao Xie, Hengliang Shi, Rutong Yu
Νeuronal precursor cell expressed and developmentally downregulated protein (Nedd4-1) is an E3 ubiquitin ligase with critical roles in the pathogenesis of cancer. Herein, we demonstrated that Nedd4-1 protein was upregulated in glioma tissues vs. that in non-cancerous tissues by western blotting and immunohistochemistry. Scratch migration and Transwell chamber assays indicated that downregulation of Nedd4-1 significantly reduced the migration and invasion of the glioma cell lines U251 and U87. Conversely, overexpression of Nedd4-1 obviously enhanced the migratory and invasive capacities in both cell lines...
May 2017: Oncology Reports
https://www.readbyqxmd.com/read/28404881/tanshinone-iia-attenuates-renal-damage-in-stz-induced-diabetic-rats-via-inhibiting-oxidative-stress-and-inflammation
#15
Xia Chen, Rui Wu, Yiwei Kong, Yuting Yang, Yu Gao, Dandan Sun, Qizhen Liu, Dongjun Dai, Zeyuan Lu, Niansong Wang, Sheng Ge, Feng Wang
Oxidative stress and inflammation have been demonstrated to be involved in the onset and promotion of diabetic nephropathy (DN).Tanshinone IIA (Tan) possesses both antioxidant and anti-inflammatory properties. Here, the aim of the present study was to explore whether Tan could attenuate renal damage in the rats with streptozotocin (STZ)-induced diabetes and its potential mechanisms. Tan was gavaged to STZ-induced diabetic rats at the dose of 10mg/kg once a day for 12 weeks. Tan treatment significantly attenuated albuminuria and renal histopathology in diabetic rats...
March 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28402427/bdnf-overexpression-prevents-cognitive-deficit-elicited-by-adolescent-cannabis-exposure-and-host-susceptibility-interaction
#16
Hadar Segal-Gavish, Neta Gazit, Yael Barhum, Tali Ben-Zur, Michal Taler, Shay Henry Hornfeld, Irit Gil-Ad, Abraham Weizman, Inna Slutsky, Minae Niwa, Atsushi Kamiya, Akira Sawa, Daniel Offen, Ran Barzilay
Cannabis abuse in adolescence is associated with increased risk of psychotic disorders. Δ-9-tetrahydrocannabinol (THC) is the primary psychoactive component of cannabis. Disrupted-In-Schizophrenia-1 (DISC1) protein is a driver for major mental illness by influencing neurodevelopmental processes. Here, utilizing a unique mouse model based on host (DISC1) X environment (THC administration) interaction, we aimed at studying the pathobiological basis through which THC exposure elicits psychiatric manifestations...
April 11, 2017: Human Molecular Genetics
https://www.readbyqxmd.com/read/28401169/epigenetic-regulations-in-diabetic-nephropathy
#17
REVIEW
Zeyuan Lu, Na Liu, Feng Wang
Diabetic nephropathy (DN) is a chronic complication of diabetes and the most common cause of end-stage kidney disease. It has been reported that multiple factors are involved in the pathogenesis of DN, while the molecular mechanisms that lead to DN are still not fully understood. Numerous risk factors for the development of diabetic nephropathy have been proposed, including ethnicity and inherited genetic differences. Recently, with the development of high-throughput technologies, there is emerging evidence that suggests the important role of epigenetic mechanisms in the pathogenesis of DN...
2017: Journal of Diabetes Research
https://www.readbyqxmd.com/read/28397716/analysis-of-factors-associated-with-death-in-maintenance-hemodialysis-patients-a-multicenter-study-in-china
#18
Kang-Kang Song, De-Long Zhao, Yuan-Da Wang, Yong Wang, Xue-Feng Sun, Li-Ning Miao, Zhao-Hui Ni, Hong-Li Lin, Fu-You Liu, Ying Li, Ya-Ni He, Nian-Song Wang, Cai-Li Wang, Ai-Hua Zhang, Meng-Hua Chen, Xiao-Ping Yang, Yue-Yi Deng, Feng-Min Shao, Shu-Xia Fu, Jing-Ai Fang, Guang-Yan Cai, Xiang-Mei Chen
BACKGROUND: Patients on hemodialysis have a high-mortality risk. This study analyzed factors associated with death in patients on maintenance hemodialysis (MHD). While some studies used baseline data of MHD patients, this study used the most recent data obtained from patients just prior to either a primary endpoint or the end of the study period to find the characteristics of patients preceding death. METHODS: Participants were selected from 16 blood purification centers in China from January 2012 to December 2014...
April 20, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28397003/plastome-wide-nucleotide-substitution-rates-reveal-accelerated-rates-in-papilionoideae-and-correlations-with-genome-features-across-legume-subfamilies
#19
Erika N Schwarz, Tracey A Ruhlman, Mao-Lun Weng, Mohammad A Khiyami, Jamal S M Sabir, Nahid H Hajarah, Njud S Alharbi, Samar O Rabah, Robert K Jansen
This study represents the most comprehensive plastome-wide comparison of nucleotide substitution rates across the three subfamilies of Fabaceae: Caesalpinioideae, Mimosoideae, and Papilionoideae. Caesalpinioid and mimosoid legumes have large, unrearranged plastomes compared with papilionoids, which exhibit varying levels of rearrangement including the loss of the inverted repeat (IR) in the IR-lacking clade (IRLC). Using 71 genes common to 39 legume taxa representing all the three subfamilies, we show that papilionoids consistently have higher nucleotide substitution rates than caesalpinioids and mimosoids, and rates in the IRLC papilionoids are generally higher than those in the IR-containing papilionoids...
April 10, 2017: Journal of Molecular Evolution
https://www.readbyqxmd.com/read/28396744/diabetic-nephropathy-as-the-cause-of-end-stage-kidney-disease-reported-on-the-medical-evidence-form-cms2728-at-a-single-center
#20
Christina M Yuan, Robert Nee, Kevin A Ceckowski, Kendral R Knight, Kevin C Abbott
Background: End-stage renal disease (ESRD) incidence due to Type 2 diabetic nephropathy (DN) is 35-50%, according to the United States Renal Data System. Methods: A single-center, retrospective cohort study to determine incidence and diagnostic accuracy for Type 2 DN as the primary cause of ESRD (Code 250.40) on the Center for Medicare & Medicaid (CMS) Medical Evidence Report form (CMS2728) submitted at renal replacement therapy initiation. All patients  ≥18 years of age with a CMS2728 submitted between 1 March 2006 and 31 March 2015 at a single academic military medical center (ESRD Network 5) were included...
April 2017: Clinical Kidney Journal
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