Vitamin D deficiency (VDD) is widespread in the general population. Iodinated (IC) or gadolinium-based contrast media (Gd) may decrease renal function in high-risk patients. This study tested the hypothesis that VDD is a predisposing factor for IC- or Gd-induced nephrotoxicity. To this end, male Wistar rats were fed standard (SD) or vitamin D-free diet for 30 days. IC (diatrizoate), Gd (gadoter...

BACKGROUND Vitamin D deficiency (VDD) is inversely associated with insulin resistance. We studied the prevalence of VDD across the spectrum of glucose intolerance, including normal glucose tolerance (NGT), prediabetes (PD) and type 2 diabetes (T2D). METHODS We conducted this cross-sectional, observational study by serially including the PD and T2D patients seen between June and December 2014....

This article presents an automatic system that is able to dynamically restore the output power capability of a amplifier (PA) under variable loading scenarios. accomplished by adapting supply voltage, VDD, PA according developed theoretical model. To vary GaN dc-dc converter, based on commercial EPC 9067 Demo Board, was used. The load measured using impedance meter, which slotted line principle...

BACKGROUND Despite a significant improvement in the management of chronic kidney disease (CKD), its incidence and prevalence has been increasing over the years. Progressive renal fibrosis is present in CKD and involves the participation of several cytokines, including Transforming growth factor-β1 (TGF-β1). Besides cardiovascular diseases and infections, several studies show that Vitamin D stat...

OBJECTIVE To compare the effect of 800 vs 400 IU of daily oral vitamin D3 on the prevalence of vitamin D deficiency (VDD) at 40 weeks' postmenstrual age (PMA) in preterm infants of 28 to 34 weeks' gestation. METHODS In this randomized double-blind trial, we allocated eligible infants to receive either 800 or 400 IU of vitamin D3 per day (n = 48 in both groups). Primary outcome was VDD (serum ...

PURPOSE This study was performed to investigate the relationship between serum vitamin D and parathyroid hormone (PTH) levels as well as to describe the prevalence and the risk factors of vitamin D deficiency (VDD) in Korean children. METHODS Participants were 1,212 children aged 4 to 15 years, who visited Bundang CHA Medical Center (located at 37°N) between March 2012 and February 2013. Over...

Fertilization in flowering plants requires a complex series of coordinated events involving interaction between the male and female gametophyte. We report here molecular data on one of the key events underpinning this process - the death of the receptive synergid cell and the coincident bursting of the pollen tube inside the ovule to release the sperm. We show that two REM transcription factors...

Objective:In this study, we assess long-term effects of vertical dome division (V.D.D) and Suture techniques in patients with bulbous nose deformity and then compare the efficiency of these methods. Material and Methods: In this study 70 patients with bulbous nose deformity were divided into two equal groups of A and B in which group A with suture (transdomal and interdomal) technique and grou...

| The clock tree of modern synchronous VLSI circuits can consume as much as 50% of their entire power budget. Diierent methods of decreasing clock power dis-sipation have been proposed based on low-voltage swings, double-edge triggered ip-ops, gated clocks, etc. In this paper we propose two types of full-swing low-power CMOS clock drivers. Both are based on a stepped charging and discharging of...