Background:In recent years, linezolid is increasingly used in multidrug-resistant bacteria therapy. At the same time, linezolid-induced lactic acidosis has been continually reported as a serious side effect. Notably, to our knowledge, there are limited available literatures that evaluate risk factors for linezolid-induced lactic acidosis, and there is no highly reliable study on the relationship between linezolid-induced lactic acidosis and age or gender. However, clinicians need relevant information to advice on the use of linezolid. Therefore, we report on a case of life-threatening lactic acidosis after 3 doses of linezolid exposure and evaluate the risk factors of linezolid-induced lactic acidosis.Methods:Cases of linezolid-induced lactic acidosis reported in PubMed were searched. Several characteristics and data of case numbers and deaths were extracted for analysis.Results:A total of 35 articles including 47 cases were included in this study. Twelve patients (25.5%) died due to linezolid-induced lactic acidosis. At the cut-offs of 7, 14, and 28 days, the mortalities were 27.3%, 20%, and 27.3%. No statistically significant difference was observed according to age and gender. However, the proportion (27.7% and 29.8%) and mortality (30.8% and 35.7%) of male patients were much higher than females in both ≥65 and <65 years old groups (proportion: 15.2% and 23.9%; mortality: 14.3% and 18.2%).Conclusion:The mortality of linezolid-induced lactic acidosis was relatively high. The duration of linezolid use and age might not be risk factors. Gender (specifically, male) might be related to the mortality of linezolid-induced lactic acidosis.
Summary A critical aspect for exploring the biological function of a microRNA (miRNA) lies on exact detection and validation of its target mRNAs. However, no convenient and efficient web-based server is available for plant biologists to identify the experimentally verified target mRNAs of miRNAs. In this work, we built a comprehensive web-based platform for miRNA–target analysis, named as Whole-degradome-based Plant MiRNA–target Interaction Analysis Server (WPMIAS), for validation of predicted interactions of miRNAs and their target mRNAs (MTIs) by user-submitted data or all available pre-loaded degradome data. Besides, the server can construct degradome-based miRNA regulatory networks (MRNs) based on the validated MTIs to help study the functions and relations among miRNAs and target mRNAs. WPMIAS is also suitable for other small RNAs (sRNAs), such as 21-nt phased siRNAs and natural antisense siRNAs, which direct cleavage of target mRNAs. Currently, WPMIAS supports 68 plant species with 189 cDNA and 271 pre-loaded plant degradome datasets. The user can identify all validated MTIs by analyzing all degradome data at a time and understand when and where MTIs take place and their cleavage levels. With the data obtained from WPMIAS, the user can build a plant miRNA–target map, where it is convenient to find interesting research ideas on miRNAs. In summary, WPMIAS is able to support a comprehensive web-based plant miRNA–target analysis and expected to greatly promote future research on plant miRNAs. Availability and implementation It can be freely accessed at https://cbi.njau.edu.cn/WPMIAS/. Supplementary information Supplementary data are available at Bioinformatics online.
The purpose of this study is to assess the effectiveness of mycophenolate mofetil (MMF) in treating Takayasu arteritis (TA) patients. Embase, Cochrane Library, Pubmed, Clinicaltrials. Gov and three Chinese literature databases (VIP, CNKI, WanFang) were searched; randomized-controlled trials and observational studies that compared the efficacy before and after treatment with MMF were included. The efficacy outcomes were disease activity, the erythrocyte sedimentation rate (ESR), C-reactive protein (CRP) values and steroid dosage. The results were expressed as mean differences with 95% confidence intervals. Compared with the baseline, there were significant reductions in the ESR (−14.92 [25.35, −4.48]), CRP values (−12.99 [−23.29, −2.68]) and the steroid dosage (−17.64 [−24.89, −10.4]) after the addition of MMF, and the disease tended to stabilize. Therefore, MMF might be an alternative immunosuppressive drug for TA for the control of disease activity and to taper the steroid dosage.Electronic supplementary materialThe online version of this article (doi:10.1007/s00296-017-3704-7) contains supplementary material, which is available to authorized users.
Exploiting dual‐functional photoelectrodes to harvest and store solar energy is a challenging but efficient way for achieving renewable energy utilization. Herein, multi‐heterostructures consisting of N‐doped carbon coated MoS2 nanosheets supported by tubular TiO2 with photoelectric conversion and electronic transfer interfaces are designed. When a photo sodium ion battery (photo‐SIB) is assembled based on the heterostructures, its capacity increases to 399.3 mAh g−1 with a high photo‐conversion efficiency of 0.71 % switching from dark to visible light at 2.0 A g−1. Remarkably, the photo‐SIB can be recharged by light only, with a striking capacity of 231.4 mAh g−1. Experimental and theoretical results suggest that the proposed multi‐heterostructures can enhance charge transfer kinetics, maintain structural stability, and facilitate the separation of photo‐excited carriers. This work presents a new strategy to design dual‐functional photoelectrodes for efficient use of solar energy.
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