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https://www.readbyqxmd.com/read/29776866/hearing-impairment-in-type-2-diabetics-and-patients-with-early-diabetic-nephropathy
#1
Jianmin Ren, Fufu Ma, Yujing Zhou, Anting Xu, Jianjian Zhang, Rong Ma, Xiaoyan Xiao
AIMS: The study was to investigate the hearing function in subjects with non-diabetic nephropathy and diabetic nephropathy and analyze related clinical indexes of hearing impairment. METHODS: We assessed the hearing function of 30 diabetics (DM group), 30 patients with early diabetic nephropathy (DN group) and 30 healthy subjects (NC group) using pure-tone audiometry, otoacoustic emissions, electronystagmography, caloric test and cervical vestibular evoked myogenic potential (VEMP)...
April 5, 2018: Journal of Diabetes and its Complications
https://www.readbyqxmd.com/read/29775899/hispidulin-alleviates-high-glucose-induced-podocyte-injury-by-regulating-protective-autophagy
#2
Fengbo Wu, Sijia Li, Nan Zhang, Wei Huang, Xiang Li, Manyi Wang, Ding Bai, Bo Han
OBJECTIVES: Diabetic nephropathy (DN) is one of the most common complications in patients with diabetes, and the discovery of novel targeted therapeutic approaches for DN treatment still faces severe challenges. In the current study, we aimed to discover a novel natural product for potential DN treatment and determine its molecular mechanisms. MATERIALS AND METHODS: Methylthiazoltetrazolium (MTT) assay was employed to evaluate cell viability. Transmission electron microscopy, GFP-LC3 fluorescence fusion plasmid, and Annexin V/PI apoptosis assay were carried out to determine cellular autophagy and apoptosis...
May 15, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29775675/associations-between-angiotensinogen-m235t-polymorphisms-and-the-risk-of-diabetic-nephropathy-a-meta-analysis
#3
Bo Zhou, Min Wen, Ling Mi, Cu-Jiao Hu, Yi Zhang, Jian-Tar Wang, Lei Tang
AIMS: The aim of the present study was to clarify the potential relationship of angiotensinogen (AGT) M235T polymorphism and diabetic nephropathy (DN) risk. METHODS: Comprehensive electronic search in Pubmed, Web of Science, EBSCO, Embase, the Cochrane Library and China National Knowledge Infrastructure (CNKI) to find original articles about the association between AGT M235T polymorphism and DN risk published before 27 September 2017. Literature quality assessment was performed with the Newcastle-Ottawa Scale...
May 15, 2018: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/29774648/the-prevalence-of-nephropathy-of-type-1-diabetes-in-the-arab-world-a-systematic-review-and-meta-analysis
#4
REVIEW
Ussama M Abdel-Motal, Akila G, Essam M Abdelalim, Chinnaiyan Ponnuraja C, Khadija Iken, Mohamed Jahromi, George Priya Doss C, Rajaa El Bekay, Hatem Zayed
AIMS: To conduct a systematic review and meta-analysis and to determine the prevalence of diabetic nephropathy (DN) among Arab patients with type 1 diabetes (T1D) METHODS: Four different literature databases were used (PubMed, ScienceDirect, Web of Science, and EMBASE) to capture all relevant data about Arab patients with T1D and nephropathy. Meta-analysis and systematic review were performed using the random effect model, and the heterogeneity of the studies was assessed using the Q-test, I2 index and Tau-squared statistics...
May 17, 2018: Diabetes/metabolism Research and Reviews
https://www.readbyqxmd.com/read/29770444/pueraria-tuberosa-extract-inhibits-inos-and-il-6-through-suppression-of-pkc-%C3%AE-and-nf-kb-pathway-in-diabetes-induced-nephropathy
#5
Rashmi Shukla, Somanshu Banerjee, Yamini B Tripathi
OBJECTIVES: Inflammation plays an important role in the pathogenesis of diabetic nephropathy (DN). The aim of this study was to explore the anti-inflammatory role of PTY-2r (extracted from Pueraria tuberosa), on streptozotocin (STZ)-induced DN rats. METHODS: Diabetes was induced by intraperitoneal injection of STZ (55mg/kg) in rats. After 60 days, the rats were randomly divided into three groups (n = 6/each group), namely DN control group 2, DN rats treated with PTY-2r at dose of 100 mg/100 g, group 3 and 50 mg/100 g, group 4, p...
May 16, 2018: Journal of Pharmacy and Pharmacology
https://www.readbyqxmd.com/read/29769449/fatty-acid-receptor-modulator-pbi-4050-inhibits-kidney-fibrosis-and-improves-glycemic-control
#6
Yan Li, Sungjin Chung, Zhilian Li, Jessica M Overstreet, Lyne Gagnon, Brigitte Grouix, Martin Leduc, Pierre Laurin, Ming-Zhi Zhang, Raymond C Harris
Extensive kidney fibrosis occurs in several types of chronic kidney diseases. PBI-4050, a potentially novel first-in-class orally active low-molecular weight compound, has antifibrotic and antiinflammatory properties. We examined whether PBI-4050 affected the progression of diabetic nephropathy (DN) in a mouse model of accelerated type 2 diabetes and in a model of selective tubulointerstitial fibrosis. eNOS-/- db/db mice were treated with PBI-4050 from 8-20 weeks of age (early treatment) or from 16-24 weeks of age (late treatment)...
May 17, 2018: JCI Insight
https://www.readbyqxmd.com/read/29769350/rab5-rab7-and-rab11-are-required-for-caveolae-dependent-endocytosis-of-classic-swine-fever-virus-in-porcine-alveolar-macrophages
#7
Yun-Na Zhang, Ya-Yun Liu, Fu-Chuan Xiao, Chun-Chun Liu, Xiao-Dong Liang, Jing Chen, Jing Zhou, Abdul Sattar Baloch, Lin Kan, Bin Zhou, Hua-Ji Qiu
The members of Flaviviridae utilize several endocytic pathways to enter a variety of host cells. Our previous work showed that classical swine fever virus (CSFV) enters porcine kidney (PK-15) cells through a clathrin-dependent pathway that requires Rab5 and Rab7. The entry mechanism for CSFV into other cell lines remains unclear, for instance, porcine alveolar macrophages (3D4/21 cells). More importantly, the trafficking of CSFV within endosomes controlled by Rab GTPases is unknown in 3D4/21 cells. In this study, entry and post-internalization of CSFV were analyzed using chemical inhibitors, RNA interference, and dominant negative (DN) mutants...
May 16, 2018: Journal of Virology
https://www.readbyqxmd.com/read/29767839/jak2-v617f-positive-acute-myeloid-leukaemia-aml-a-comparison-between-de-novo-aml-and-secondary-aml-transformed-from-an-underlying-myeloproliferative-neoplasm-a-study-from-the-bone-marrow-pathology-group
#8
Jason Aynardi, Rashmi Manur, Paul R Hess, Seble Chekol, Jennifer J D Morrissette, Daria Babushok, Elizabeth Hexner, Heesun J Rogers, Eric D Hsi, Elizabeth Margolskee, Attilio Orazi, Robert Hasserjian, Adam Bagg
The JAK2 V617F mutation is characteristic of most Philadelphia chromosome-negative myeloproliferative neoplasms (MPNs) and occurs rarely in de novo acute myeloid leukaemia (AML). We sought to characterize AMLs that harbour this mutation and distinguish those that arise de novo (AML-DN) from those that reflect transformation of an underlying MPN (AML-MPN). Forty-five patients with JAK2 V617F-mutated AML were identified; 15 were AML-DN and 30 were AML-MPN. AML-MPN cases were more likely to have splenomegaly (P = 0·02), MPN-like megakaryocytes and higher mean JAK2 V617F VAF at diagnosis (P = 0·04)...
May 16, 2018: British Journal of Haematology
https://www.readbyqxmd.com/read/29767459/long-term-effects-of-patiromer-for-hyperkalaemia-treatment-in-patients-with-mild-heart-failure-and-diabetic-nephropathy-on-angiotensin-converting-enzymes-angiotensin-receptor-blockers-results-from-amethyst-dn
#9
Bertram Pitt, George L Bakris, Matthew R Weir, Mason W Freeman, Mitja Lainscak, Martha R Mayo, Dahlia Garza, Rezi Zawadzki, Lance Berman, David A Bushinsky
AIMS: Chronic kidney disease (CKD) in heart failure (HF) increases the risk of hyperkalaemia (HK), limiting angiotensin-converting enzyme inhibitor (ACE-I) or angiotensin receptor blocker (ARB) use. Patiromer is a sodium-free, non-absorbed potassium binder approved for HK treatment. We retrospectively evaluated patiromer's long-term safety and efficacy in HF patients from AMETHYST-DN. METHODS AND RESULTS: Patients with Type 2 diabetes, CKD, and HK [baseline serum potassium >5...
May 16, 2018: ESC Heart Failure
https://www.readbyqxmd.com/read/29766567/melatonin-attenuates-osteosarcoma-cell-invasion-by-suppression-of-c-c-motif-chemokine-ligand-24-through-inhibition-of-the-c-jun-n-terminal-kinase-pathway
#10
Ko-Hsiu Lu, Shih-Chi Su, Chiao-Wen Lin, Yi-Hsien Hsieh, Ya-Chiu Lin, Ming-Hsien Chien, Russel J Reiter, Shun-Fa Yang
Osteosarcoma, with its high metastatic potential, is the most prevalent malignant bone tumor in children and adolescents. Melatonin possesses multiple tumor-suppressing properties for a myriad of tumors, but little is known about the effects of melatonin on osteosarcoma metastasis. In this study, we demonstrated that melatonin elicited very low cytotoxicity and significantly inhibited cellular motility, migration, and invasion in human osteosarcoma U2OS and HOS cells. Moreover, using RNA sequencing technology, we revealed that melatonin repressed C-C motif chemokine ligand 24 (CCL24) gene expression in U2OS cells...
May 16, 2018: Journal of Pineal Research
https://www.readbyqxmd.com/read/29762485/stress-induced-and-diabetic-hyperglycemia-associated-with-higher-mortality-among-intensive-care-unit-trauma-patients-cross-sectional-analysis-of-the-propensity-score-matched-population
#11
Meng-Wei Chang, Chun-Ying Huang, Hang-Tsung Liu, Yi-Chun Chen, Ching-Hua Hsieh
BACKGROUND: This study was designed to measure the effect of stress-induced hyperglycemia (SIH) and diabetic hyperglycemia (DH) versus non-diabetic normoglycemia (NDN) on the outcomes of trauma patients in the intensive care unit (ICU). METHODS: Diabetes mellitus (DM) was determined based on patient history and/or a hemoglobin A1c (HbA1c) level of ≥6.5% at admission. The patients who had serum glucose levels of ≥200 mg/dL in the absence or presence of DM were assigned into the groups SIH and DH, respectively...
May 15, 2018: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29760122/perturbations-in-mitochondrial-dynamics-by-p66shc-lead-to-renal-tubular-oxidative-injury-in-human-diabetic-nephropathy
#12
Ming Zhan, Irtaza Usman, Jingbo Yu, Liemin Ruan, Xueyan Bian, Jun Yang, Shikun Yang, Lin Sun, Yashpal S Kanwar
Renal tubular injury is increasingly being recognized as an early characteristic of diabetic nephropathy (DN). Mitochondrial dynamic alterations and redox protein p66Shc-mediated oxidative stress are both critical for ensuing diabetic tubular cell injury and apoptosis; whether these two processes are interlinked remains unclear. In this study, we observed changes in mitochondrial morphology and expression of associated proteins in tubules of patients with DN. We demonstrated mitochondrial fragmentation as an important pathogenic feature of tubular cell injury that is linked to oxidative stress and p66Shc up-regulation...
May 14, 2018: Clinical Science (1979-)
https://www.readbyqxmd.com/read/29754473/actin-dysfunction-induces-cell-cycle-delay-at-g2-m-with-sustained-erk-and-rsk-activation-in-imr-90-normal-human-fibroblasts
#13
Deepmala Shrestha, Daeun Choi, Kiwon Song
The actin cytoskeleton plays a key role in the entry of mitosis as well as in cytokinesis. In a previous study, we showed that actin disruption delays mitotic entry at G2/M by sustained activation of extracellular signal-related kinase 1/2 (ERK1/2) in primary cells but not in transformed cancer cell lines. Here, we examined the mechanism of cell cycle delay at G2/M by actin dysfunction in IMR-90 normal human fibroblasts. We observed that de-polymerization of actin with cytochalasin D (CD) constitutively activated ribosomal S6 kinase (RSK) and induced inhibitory phosphorylation of Cdc2 (Tyr 15) in IMR-90 cells...
May 4, 2018: Molecules and Cells
https://www.readbyqxmd.com/read/29753370/effects-of-different-doses-of-irbesartan-combined-with-spironolactone-on-urinary-albumin-excretion-rate-in-elderly-patients-with-early-type-2-diabetic-nephropathy
#14
Yingying Chen, Peng Liu, Xia Chen, Yanan Li, Fengmei Zhang, Yangang Wang
BACKGROUND: There is a lack of research on the effect of low dose of angiotensin receptor blockers combined with spironolactone, and the effect of high dose of angiotensin receptor blockers alone on the urinary albumin excretion rate (UAER) in elderly patients with early type 2 diabetic nephropathy (DN). METHODS: We conducted a prospective, randomized, open-label, parallel-controlled study that included 244 elderly patients with early DN and mild-to-moderate essential hypertension...
May 2018: American Journal of the Medical Sciences
https://www.readbyqxmd.com/read/29752800/raman-biophysical-markers-in-skin-cancer-diagnosis
#15
Xu Feng, Austin J Moy, Hieu T M Nguyen, Yao Zhang, Jason Zhang, Matthew C Fox, Katherine R Sebastian, Jason S Reichenberg, Mia K Markey, James W Tunnell
Raman spectroscopy (RS) has demonstrated great potential for in vivo cancer screening; however, the biophysical changes that occur for specific diagnoses remain unclear. We recently developed an inverse biophysical skin cancer model to address this issue. Here, we presented the first demonstration of in vivo melanoma and nonmelanoma skin cancer (NMSC) detection based on this model. We fit the model to our previous clinical dataset and extracted the concentration of eight Raman active components in 100 lesions in 65 patients diagnosed with malignant melanoma (MM), dysplastic nevi (DN), basal cell carcinoma, squamous cell carcinoma, and actinic keratosis...
May 2018: Journal of Biomedical Optics
https://www.readbyqxmd.com/read/29751837/antioxidant-and-antiapoptotic-effect-of-aqueous-extract-of-pueraria-tuberosa-roxb-ex-willd-dc-on-streptozotocin-induced-diabetic-nephropathy-in-rats
#16
Rashmi Shukla, Somanshu Banerjee, Yamini B Tripathi
BACKGROUND: Oxidative stress and renal apoptosis play a significant role in the progression of diabetic nephropathy. The tubers of Pueraria tuberosa (Roxb. ex Willd.) DC. has been traditionally used as anti-ageing and health promotive tonic. The purpose of this study was to investigate its nephroprotective effect and mechanism via antioxidant and antiapoptotic potential in Streptozotocin-induced diabetic nephropathy (DN) in rats. METHODS: The chemical composition of aqueous extract of Pueraria tuberosa (PTY-2r) was analyzed by gas chromatography-mass spectrometry (GC-MS)...
May 11, 2018: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/29750992/transcriptome-analysis-of-dorsal-root-ganglia-s-diabetic-neuropathy-reveals-mechanisms-involved-in-pain-and-regeneration
#17
Maria Carolina Pedro Athie, Andre Schwambach Vieira, Juliana Maia Teixeira, Gilson Gonçalves Dos Santos, Elayne Vieira Dias, Claudia Herrera Tambeli, Cesar Renato Sartori, Carlos A Parada
Peripheral diabetic neuropathy (DN) manifests in nearly 60% of diabetic patients, being pain its most debilitating symptom. Although electrophysiological and morphological aspects are well described, little is known about its development and progression, undermining effective therapies. Hyperglycemia and insulin signaling impairment are considered the triggering events of oxidative stress observed in the dying nerves, however there are still many gaps in the knowledge of intracellular plastic changes it generates...
May 8, 2018: Life Sciences
https://www.readbyqxmd.com/read/29750959/a-btb-zf-protein-znf131-is-required-for-early-b-cell-development
#18
Tomohiro Iguchi, Emako Miyauchi, Sumiko Watanabe, Hisao Masai, Shoichiro Miyatake
Members of the BTB-ZF transcription factor family play important roles in lymphocyte development. During T cell development, ZNF131, a BTB-ZF protein, is critical for the double-negative (DN) to double-positive (DP) transition and is also involved in cell proliferation. Here, we report that knockout of Znf131 at the pre-pro-B cell stage in mb1-Cre knock-in mouse resulted in defect of pro-B to pre-B cell transition. ZNF131 was shown to be required for efficient pro-B cell proliferation as well as for immunoglobulin heavy chain gene rearrangement that occur in the proliferating pro-B cells...
May 8, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29749404/endogenous-hepcidin-synthesis-protects-the-distal-nephron-against-hemin-and-hemoglobin-mediated-necroptosis
#19
Rachel P L van Swelm, Madelon Vos, Frank Verhoeven, Frank Thévenod, Dorine W Swinkels
Hemoglobinuria is associated with kidney injury in various hemolytic pathologies. Currently, there is no treatment available and its pathophysiology is not completely understood. Here we studied the potential detrimental effects of hemoglobin (Hb) exposure to the distal nephron (DN). Involvement of the DN in Hb kidney injury was suggested by the induction of renal hepcidin synthesis (p < 0.001) in mice repeatedly injected with intravenous Hb. Moreover, the hepcidin induction was associated with a decline in urinary kidney injury markers 24p3/NGAL and KIM1, suggesting a role for hepcidin in protection against Hb kidney injury...
May 10, 2018: Cell Death & Disease
https://www.readbyqxmd.com/read/29748901/gadolinium-based-contrast-agents-induce-gadolinium-deposits-in-cerebral-vessel-walls-while-the-neuropil-is-not-affected-an-autopsy-study
#20
Stefanie Fingerhut, Michael Sperling, Markus Holling, Thomas Niederstadt, Thomas Allkemper, Alexander Radbruch, Walter Heindel, Werner Paulus, Astrid Jeibmann, Uwe Karst
Recent studies showed gadolinium depositions following serial administrations of gadolinium-based contrast agents (GBCAs) for magnetic resonance imaging examinations in various parts of the brain with the dentate nucleus (DN) being most affected. Even though no clinical correlates of the deposits are known yet, an intensive debate developed if this might be harmful. The aim of the current study was to specify the gadolinium distribution in brain tissue of patients who received serial injections of GBCAs in the low-µm range and to explore any potential pathological tissue changes caused by gadolinium deposits...
May 10, 2018: Acta Neuropathologica
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