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139 papers found.
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Evaluation of the ablation margin of hepatocellular carcinoma using CEUS-CT/MR image fusion in a phantom model and in patients

Background To assess the accuracy of contrast-enhanced ultrasound (CEUS)-CT/MR image fusion in evaluating the radiofrequency ablative margin (AM) of hepatocellular carcinoma (HCC) based on a custom-made phantom model and in HCC patients. Methods Twenty-four phantoms were randomly divided into a complete ablation group (n = 6) and an incomplete ablation group (n = 18). After...

Screening Driving Transcription Factors in the Processing of Gastric Cancer

Background. Construction of the transcriptional regulatory network can provide additional clues on the regulatory mechanisms and therapeutic applications in gastric cancer. Methods. Gene expression profiles of gastric cancer were downloaded from GEO database for integrated analysis. All of DEGs were analyzed by GO enrichment and KEGG pathway enrichment. Transcription factors were...

De Novo Assembly and Developmental Transcriptome Analysis of the Small White Butterfly Pieris rapae

The small white butterfly Pieris rapae is one of the most destructive pests of Brassicaceae. Yet little is understood about its genes involved in development. To facilitate research on P. rapae, we sequenced the transcriptome of P. rapae during six developmental stages, including the egg, three larval stages, the pupa, and the adult. In total, 240 million high-quality reads were...

The prognostic roles of ALDH1 isoenzymes in gastric cancer

The prognostic roles of ALDH1 isoenzymes in gastric cancer Kai Li,1,2 Xiaoguang Guo,3 Ziwei Wang,4 Xiaofeng Li,2 Youquan Bu,5 Xuefeng Bai,6 Liansheng Zheng,7 Ying Huang2 1Hepatobiliary Treatment ... Mongolia 1 Department of Medical Oncology 2 Kai li Department of Medical Oncology, Baotou cancer hospital , 18 Tuanjie st, Qingshan, Baotou, inner Mongolia 014030, People's republic of china 3 hepatobiliary

Minimally invasive percutaneous nephrolithotomy improves stone-free rates for impacted proximal ureteral stones: A systematic review and meta-analysis

Background Urinary stones are common medical disorders and the treatment of impacted proximal ureteral stones (IPUS) is still a challenge for urologists. The aim of this study was to compare the efficacy and safety of minimally invasive percutaneous nephrolithotomy (MI-PCNL) and ureteroscopic lithotripsy (URL) in the treatment of IPUS via a meta-analysis. Methods We collected...

Methylation of MGMT Is Associated with Poor Prognosis in Patients with Stage III Duodenal Adenocarcinoma

Background O6-methylguanine-DNA methyltransferase (MGMT) methylation status has not been extensively investigated in duodenal adenocarcinoma (DA). The aim of this study was to evaluate the MGMT methylation status and examine its possible prognostic value in patients with stage III DA. Methods Demographics, tumor characteristics and survival were available for 64 patients with...

Promoted Relationship of Cardiovascular Morbidity with Air Pollutants in a Typical Chinese Urban Area

Background A large number of studies about effects of air pollutants on cardiovascular mortality have been conducted; however, those investigating association between air pollutants and cardiovascular morbidity are limited, especially in developing countries. Methods A time-series analysis on the short-term association between outdoor air pollutants including particulate matter...

Effects of graphene plates’ adoption on the microstructure, mechanical properties, and in vivo biocompatibility of calcium silicate coating

Effects of graphene plates’ adoption on the microstructure, mechanical properties, and in vivo biocompatibility of calcium silicate coating Youtao Xie, Hongqin Li, Chuanxian Ding, Xuebin Zheng, Kai

Prognostic significance of c-Met in breast cancer: a meta-analysis of 6010 cases

Background The prognostic value of c-Met in breast cancer remains controversial. A meta-analysis of the impact of c-Met in breast cancer was performed by searching published data. Methods Published studies analyzing overall survival (OS) or relapse free survival (RFS) according to c-Met expression were searched. The principal outcome measures were hazard ratios (HRs) for RFS or...

Association of 677 C>T (rs1801133) and 1298 A>C (rs1801131) Polymorphisms in the MTHFR Gene and Breast Cancer Susceptibility: A Meta-Analysis Based on 57 Individual Studies

Individual Studies Kai Li 0 Wusheng Li 0 Xi Dong 0 Amanda E. Toland, Ohio State University Medical Center, United States of America 0 Department of Oncology, Shengjing Hospital of China Medical University

An economic and low-carbon day-ahead Pareto-optimal scheduling for wind farm integrated power systems with demand response

analysis, renewable energy accessing, electricity market and lowcarbon electricity. Kai LI received the B.Sc. degree in Electrical Engineering from University of South China in 2011. He is currently

A potential role for protein palmitoylation and zDHHC16 in DNA damage response

Background Cells respond to DNA damage by activating the phosphatidylinositol-3 kinase-related kinases, p53 and other pathways to promote cell cycle arrest, apoptosis, and/or DNA repair. Here we report that protein palmitoylation, a modification carried out by protein acyltransferases with zinc-finger and Asp-His-His-Cys domains (zDHHC), is required for proper DNA damage...

The impact of IGF-1R expression on the outcomes of patients with breast cancer: a meta-analysis

The impact of IGF-1R expression on the outcomes of patients with breast cancer: a meta-analysis Shunchao Yan,1 Xin Jiao,2 Kai Li,1 Wusheng Li,1 Huawei Zou11Department of Oncology, Shengjing Hospital

Improvement of ablative margins by the intraoperative use of CEUS-CT/MR image fusion in hepatocellular carcinoma

Background To assess whether intraoperative use of contrast-enhanced ultrasound (CEUS)-CT/MR image fusion can accurately evaluate ablative margin (AM) and guide supplementary ablation to improve AM after hepatocellular carcinoma (HCC) ablation. Methods Ninety-eight patients with 126 HCCs designated to undergo thermal ablation treatment were enrolled in this prospective study...

Crystal Violet Lactone Salicylaldehyde Hydrazone Zn(II) Complex: a Reversible Photochromic Material both in Solution and in Solid Matrix

University, Beijing 100084, P. R. ChinaJing Tao & Aijun Tong AuthorsSearch for Kai Li in:Nature Research journals • PubMed • Google ScholarSearch for Yuanyuan Li in:Nature Research journals • PubMed • Google ... revised the paper. All authors reviewed the manuscript. Competing interests The authors declare no competing financial interests. Corresponding authors Correspondence to Kai Li or Aijun Tong

Normalized evaluation of thermal shock resistance for ceramic materials

A normalized method for evaluation of thermal shock resistance for ceramic materials was proposed. A thermal shock resistance index (TSRI), Г, in the range of 1 to 100, was introduced, based on a normalized formula obtained directly by a simple testing process of determining the changes in flexural strength before and after thermal shock cycles. Alumina ceramic was chosen as the...

Preparation of High Purity Crystalline Silicon by Electro-Catalytic Reduction of Sodium Hexafluorosilicate with Sodium below 180°C

The growing field of silicon solar cells requires a substantial reduction in the cost of semiconductor grade silicon, which has been mainly produced by the rod-based Siemens method. Because silicon can react with almost all of the elements and form a number of alloys at high temperatures, it is highly desired to obtain high purity crystalline silicon at relatively low...

MiR-548c impairs migration and invasion of endometrial and ovarian cancer cells via downregulation of Twist

Background MicroRNAs (miRNAs) are a class of small non-coding RNAs, which post-transcriptionally repress the expression of genes involved in cancer initiation and progression. Although some miRNAs that target many signaling pathways (also called universe miRNAs) are supposed to play a global role in diverse human tumors, their regulatory functions in gynecological cancers remain...

Radiological Findings of Prostatic Arterial Anatomy for Prostatic Arterial Embolization: Preliminary Study in 55 Chinese Patients with Benign Prostatic Hyperplasia

Objective To describe the prostatic arterial supply using Cone-beam computed tomography (CT) and digital subtraction angiography (DSA) before prostatic arterial embolization (PAE) for benign prostatic hyperplasia (BPH). Methods In a retrospective study from January 2012 to January 2014, 55 male patients (110 hemipelves) with BPH who underwent PAE were evaluated by Cone-beam CT in...