616 Works

First-Order Newton-Type Estimator for Distributed Estimation and Inference

Xi Chen, Weidong Liu & Yichen Zhang
This article studies distributed estimation and inference for a general statistical problem with a convex loss that could be nondifferentiable. For the purpose of efficient computation, we restrict ourselves to stochastic first-order optimization, which enjoys low per-iteration complexity. To motivate the proposed method, we first investigate the theoretical properties of a straightforward divide-and-conquer stochastic gradient descent approach. Our theory shows that there is a restriction on the number of machines and this restriction becomes more...

The novel outer membrane protein from OprD/Occ family is associated with hypervirulence of carbapenem resistant Acinetobacter baumannii ST2/KL22

Mingxi Hua, Jingyuan Liu, Pengcheng Du, Xinzhe Liu, Min Li, Huizhu Wang, Chen Chen, Xinmin Xu, Yu Jiang, Yajie Wang, Hui Zeng & Ang Li
Acinetobacter baumannii has become a major healthcare threat that causes nosocomial infections, especially in critically ill patients. The spread of carbapenem-resistant A. baumannii (CRAB) strains has long been a clinical concern. It is important to study the epidemiology and virulence characteristics of different CRAB isolates in order to tailor infection prevention and antibiotic prescribing. In this study, a total of 71 CRAB isolates were collected in the hospital, and clinical characteristics of infections were analyzed....

First-order Newton-type Estimator for Distributed Estimation and Inference

Xi Chen, Weidong Liu & Yichen Zhang
This paper studies distributed estimation and inference for a general statistical problem with a convex loss that could be non-differentiable. For the purpose of efficient computation, we restrict ourselves to stochastic first-order optimization, which enjoys low per-iteration complexity. To motivate the proposed method, we first investigate the theoretical properties of a straightforward Divide-and-Conquer Stochastic Gradient Descent (DC-SGD) approach. Our theory shows that there is a restriction on the number of machines and this restriction becomes...

First-Order Newton-Type Estimator for Distributed Estimation and Inference

Xi Chen, Weidong Liu & Yichen Zhang
This article studies distributed estimation and inference for a general statistical problem with a convex loss that could be nondifferentiable. For the purpose of efficient computation, we restrict ourselves to stochastic first-order optimization, which enjoys low per-iteration complexity. To motivate the proposed method, we first investigate the theoretical properties of a straightforward divide-and-conquer stochastic gradient descent approach. Our theory shows that there is a restriction on the number of machines and this restriction becomes more...

A pilot study of thiamin and folic acid in hemodialysis patients with cognitive impairment

Renhua Lu, Yan Fang, Yijun Zhou, Miaolin Che, Jianxiao Shen, Qian Liu, Haifen Zhang, Shuting Pan, Yan Lin, Qin Wang, Shan Mou, Zhaohui Ni & Leyi Gu
This study aimed to explore the effectiveness of thiamin and folic acid supplementation on the improvement of the cognitive function in patients with maintenance hemodialysis. In the present study, we randomly assigned patients undergoing hemodialysis who had the Montreal Cognitive Assessment (MoCA) score lower than 26 to treatment group (n = 25, thiamin 90 mg/day combined with folic acid 30 mg/day) or control group (n = 25, nonintervention). All subjects were followed up for 96...

A ferroptosis-related gene signature for graft loss prediction following renal allograft

Zhenlei Fan, Tao Liu, Hanfei Huang, Jie Lin & Zhong Zeng
Allogeneic kidney transplantation (renal allograft) is the most effective treatment for advanced kidney disease. Previous studies have indicated that ferroptosis participates in the progression of acute kidney injury and renal transplant failure. However, few studies have evaluated the prognostic value of ferroptosis on renal transplantation outcomes. In this study, a total of 22 differentially expressed ferroptosis-related genes (DFGs) were identified, which were mainly enriched in infection-related pathways. Next, a ferroptosis-related gene signature, including GA-binding protein...

Extraction and characterization of a functional protein from Millettia speciosa Champ. leaf

Si-Yuan Luo, Zhi Huang, Xi Chen, Min-Hua Zong & Wen-Yong Lou
Natural plant-derived protein with excellent bioactivities has attracted much attention so a functional protein with molecular weight of 15.2 kDa was extracted from Millettia speciosa Champ. leaf for the first time. Under the pH of 12.0, solid-liquid ratio of 1:40 (w/v), extraction time of 2.0 h, and extraction temperature of 50 °C, the highest extracting efficiency (79.25 ± 0.78%) of the Millettia speciosa Champ. leaf protein (MLP) was achieved. The main structure of MLP contained...

Fat mass and obesity-associated protein (FTO) mediates signal transducer and activator of transcription 3 (STAT3)-drived resistance of breast cancer to doxorubicin

Yan Wang, Zhiqiang Cheng, Jing Xu, Meina Lai, Liming Liu, Min Zuo & Lin Dang
Excessive activation of signal transducer and activator of transcription 3 (STAT3) is implicated in breast cancer (BC) chemoresistance, but its underlying mechanism is not fully understood. There are STAT3 binding sites in fat mass and obesity-associated protein (FTO) promoter region, thus STAT3 may regulate the transcription of FTO. This study aimed to investigate the correlation between FTO and STAT3 in BC chemoresistance. Herein, FTO and STAT3 were highly expressed in doxorubicin-resistant BC (BC-DoxR) cells. CHIP...

Additional file 3 of Using a WeChat mini-program-based lactation consultant intervention to increase the consumption of mother’s own milk by preterm infants in the neonatal intensive care unit: a study protocol for a cluster randomized controlled trial

Jie Huo, Xinping Wu, Chuanli Gu, Zhangbin Yu, Jun Zhang, Xiaohui Chen, Jingai Zhu, Feng Liu, Beibei Liu, Qianqian Li & Shuping Han
Additional file 3.

A novel genetic variant potentially altering the expression of MANBA in the cerebellum associated with attention deficit hyperactivity disorder in Han Chinese children

Xinzhen Chen, Ting Yao, Jinliang Cai, Qi Zhang, Shanyawen Li, Huiru Li, Xihang Fu & Jing Wu
To obtain additional insight into the genetic factors of attention deficit hyperactivity disorder (ADHD). First, we performed a transcriptome-wide association study (TWAS) integrating human cerebellum-specific variant-expression/splicing correlations to identify ADHD susceptibility genes. Then, the associations between expression/splicing quantitative trait loci (eQTLs/sQTLs) of the transcriptome-wide significant genes and ADHD were observed in a case-control study of Han Chinese children. Furthermore, dual luciferase reporter gene assays were performed to validate the regulatory function of ADHD risk variants....

Gravity induces asymmetric Ca2+ spikes in the root cap in the early stage of gravitropism

Ruoxin Zhao, Zonghao Liu, Ziwei Li, Shi Xu & Xianyong Sheng
Gravitropism is an important strategy for the adaptation of plants to the changing environment. Previous reports indicated that Ca2+ participated in plant gravity response. However, present information on the functions of Ca2+ in plant gravitropism was obtained mainly on coleoptiles, hypocotyls, and petioles, little is known about the dynamic changes of Ca2+ during root gravitropism. In the present study, the transgenic Arabidopsis thaliana R-GECO1 was placed horizontally and subsequently vertically on a refitted Leica SP8...

Somatostatin attenuates intestinal epithelial barrier injury during acute intestinal ischemia–reperfusion through Tollip/Myeloiddifferentiationfactor 88/Nuclear factor kappa-B signaling

Yan Tian, Ruo Shu, Yi Lei, Yu Xu, Xinfeng Zhang & Huayou Luo
In the process of ischemia–reperfusion injury, intestinal ischemia and inflammation interweave, leading to tissue damage or necrosis. However, oxygen radicals and inflammatory mediators produced after reperfusion cause tissue damage again, resulting in severe intestinal epithelial barrier dysfunction. The aim of this study was to determine the protective effect of somatostatin on intestinal epithelial barrier function during intestinal ischemia–reperfusion injury and explore its mechanism. By establishing a rat intestinal ischemia–reperfusion model, pretreating the rats with somatostatin,...

Discovery of novel paeonol-based derivatives against skin inflammation in vitro and in vivo

Jing Wu, Ren De Zhu, Guo Min Cao, Jun Cheng Du, Xin Liu, Liang Zhuo Diao, Zhao Yan Zhang, Yang Sheng Hu, Xin Hua Liu & Jing Bo Shi
T-LAK-cell-originated protein kinase (TOPK), a novel member of the mitogen-activated protein kinase family, is considered an effective therapeutic target for skin inflammation. In this study, a series (A − D) of paeonol derivatives was designed and synthesised using a fragment growing approach, and their anti-inflammatory activities against lipopolysaccharide (LPS)-induced nitric oxide production in RAW264.7 cells were tested. Among them, compound B12 yielded the best results (IC50 = 2.14 μM) with low toxicity (IC50 > 50...

Long non-coding RNA-PCGEM1 contributes to prostate cancer progression by sponging microRNA miR-129-5p to enhance chromatin licensing and DNA replication factor 1 expression

Qiao Fu, Fangfang Wang, Jun Yang, Wei Sun, Zhi Hu, Lv Xu, Hao Chu, Xiao Wang & Wei Zhang
PCGEM1 facilitates prostate cancer (PCa) progression. This study aimed to elucidate the mechanism of action of PCGEM1 in PCa. The expression of PCGEM1, microRNA miR-129-5p, chromatin licensing, and DNA replication factor 1 (CDT1) was detected by quantitative reverse transcription-PCR (qRT-PCR). A series of function experiments including cell counting kit-8 (CCK-8), caspase-3 activity, and cell cycle assays were performed to evaluate the influence of PCGEM1, miR-129-5p, and CDT1 on the biological processes of PCa cells. CyclinD1,...

Molybdopterin biosynthesis pathway contributes to the regulation of SaeRS two-component system by ClpP in Staphylococcus aureus

Na Zhao, Yanan Wang, Junlan Liu, Ziyu Yang, Ying Jian, Hua Wang, Mahmoud Ahmed, Min Li, Taeok Bae & Qian Liu
In Staphylococcus aureus, the SaeRS two-component system is essential for the bacterium’s hemolytic activity and virulence. The Newman strain of S. aureus contains a variant of SaeS sensor kinase, SaeS L18P. Previously, we showed that, in the strain Newman, SaeS L18P is degraded by the membrane-bound protease FtsH. Intriguingly, the knockout mutation of clpP, encoding the cytoplasmic protease ClpP, greatly reduces the expression of SaeS L18P. Here, we report that, in the strain Newman, the...

LINC00857 regulated by ZNF460 enhances the expression of CLDN12 by sponging miR-150-5p and recruiting SRSF1 for alternative splicing to promote epithelial-mesenchymal transformation of pancreatic adenocarcinoma cells

Yong Zhang, Yuan Fang, Lijie Ma, Jing Xu, Chentao Lv, Li Deng & Guanghui Zhu
Recent research unveiled that LINC00857 plays a regulatory role in multiple human cancers, such as lung adenocarcinoma and gastric cancer. Nevertheless, the function of LINC00857 in pancreatic adenocarcinoma (PAAD) remains unclear. This study concentrates on LINC00857 to discuss the relevant molecular mechanism of this gene in PAAD. Quantitative reverse transcription polymerase chain reaction (RT-qPCR) and western blot were implemented for measuring the expressions of RNAs and proteins. Wound healing and Transwell assays were used to...

Inhibition of translocator protein 18 kDa suppressed the progression of glioma via the ELAV-like RNA-binding protein 1/MAPK-activated protein kinase 3 axis

Jingya Wang, Peng Ren, Zhirui Zeng, Li Ma, Yunjun Li, Hongmei Zhang & Wenzhi Guo
Glioma is the most common primary malignant brain tumors in adults. Despite considerable advances in treatment, the clinical outcome remains dismal. Translocator protein 18 kDa (TSPO), an evolutionarily conserved transmembrane protein, has always been found to be elevated in glioma, which predicts a poor prognosis. However, studies on the regulatory network of TSPO in glioma are limited. The Cancer Genome Atlas (TCGA) and our research group cohorts demonstrated that TSPO expression was also highly expressed...

Supplemental material - Nanoarchitectured Graphene Organic Framework for Drug Delivery and Chemo-photothermal Synergistic Therapy

Chengfeng Xu, Shuting Yao, Peng Jiang, Cui Wang, Jinhua Hu, Junmin Wan, Zhiwen Hu & Bing Wang
Supplementary material for Nanoarchitectured Graphene Organic Framework for Drug Delivery and Chemo-photothermal Synergistic Therapy by Chengfeng Xu, Shuting Yao, Peng Jiang, Cui Wang, Jinhua Hu, Junmin Wan, Zhiwen Hu, and Bing Wang in Journal of Biomaterials Applications

Supplemental material - Nanoarchitectured Graphene Organic Framework for Drug Delivery and Chemo-photothermal Synergistic Therapy

Chengfeng Xu, Shuting Yao, Peng Jiang, Cui Wang, Jinhua Hu, Junmin Wan, Zhiwen Hu & Bing Wang
Supplementary material for Nanoarchitectured Graphene Organic Framework for Drug Delivery and Chemo-photothermal Synergistic Therapy by Chengfeng Xu, Shuting Yao, Peng Jiang, Cui Wang, Jinhua Hu, Junmin Wan, Zhiwen Hu, and Bing Wang in Journal of Biomaterials Applications

Nanoarchitectured Graphene Organic Framework for Drug Delivery and Chemo-photothermal Synergistic Therapy

Chengfeng Xu, Shuting Yao, Peng Jiang, Cui Wang, Jinhua Hu, Junmin Wan, Zhiwen Hu & Bing Wang
The combination of phototherapy and chemotherapy has received extensive attention in the field of cancer therapy. Hence, graphene organic framework (GOF) with a large d-spacing was prepared by solvothermal method, and a novel nanocomposite based on bovine serum albumin (BSA) and the anticancer drug doxorubicin (DOX) was developed, which effectively achieved a photothermal-chemotherapy synergistic treatment. When the feeding ratio was 1:1.6, the DOX loading capacity was 18.51%, and the GOF-BSA/DOX nanocomposite possessed unobvious pH response...

Fe3S2 cluster complexes containing aminodiphosphine ligand: synthesis, characterization, crystal structures and electrochemical properties

Jun Yang, Wen-Jing Tian, Shuang Lü, Jiao He, Kui Hu, Peng Yan, Hang Xu, Mao-Xin Zeng, Yu-Long Li & Qian-Li Li
In this article, six new Fe3S2 cluster complexes Fe3(µ3S)2(CO)7[(Ph2P)2NR] (1-6) (R = (CH2)2CH3, CH(CH3)2, (CH2)3CH3, CH2CH(CH3)2, p-C6H4CCH and m-C6H4CCH) were successfully synthesized by reactions of Fe3S2(CO)9 and the corresponding aminodiphosphines under refluxing toluene. Meanwhile, treatment of Fe3S2(CO)9 and (Ph2P)2NCH(CH3)Ph afforded two new Fe3S2 cluster complexes Fe3(µ3-S)2(CO)7[(Ph2P)2NCH(CH3)Ph] (7) and Fe3(µ3-S)2(CO)7[(κ2-Ph2P)2NCH(CH3)(Ph)] (8). Complexes 1–8 were characterized by elemental analysis, FT-IR, NMR spectroscopy, and especially X-ray crystallography. The elctrochemical properties were investigated by cyclic voltammetry, showing that they...

Metabolic differences in women with premature ovarian insufficiency: a systematic review and meta-analysis

Wang-Yu Cai, Xi Luo, Wei Wu, Jianyuan Song, Ning-Ning Xie, Cuicui Duan, Xiao-Ke Wu & Jian Xu
Abstract Objective This review aimed to investigate the metabolic profile of women with premature ovarian insufficiency (POI) compared relative to women with normal ovarian functioning. Methods A systematic search of PubMed, EMBASE, and the Web of Science for observational studies published up until the 6th of July 2021 that compared the metabolic profile of POI women with a healthy control group were assessed. Mean differences (MD) and 95% confidence interval (CI) were pooled using the...

Additional file 2 of Metabolic differences in women with premature ovarian insufficiency: a systematic review and meta-analysis

Wang-Yu Cai, Xi Luo, Wei Wu, Jianyuan Song, Ning-Ning Xie, Cuicui Duan, Xiao-Ke Wu & Jian Xu
Additional file 2: Supplementary table 1. PRISMA 2022 checklist.

Additional file 4 of Metabolic differences in women with premature ovarian insufficiency: a systematic review and meta-analysis

Wang-Yu Cai, Xi Luo, Wei Wu, Jianyuan Song, Ning-Ning Xie, Cuicui Duan, Xiao-Ke Wu & Jian Xu
Additional file 4: Supplementary table 3. Meta-regression results.

sj-docx-1-uar-10.1177_10780874221080122 - Supplemental material for Specialized Local Government and Water Conservation Policy in the United States

David Switzer & Jun Deng
Supplemental material, sj-docx-1-uar-10.1177_10780874221080122 for Specialized Local Government and Water Conservation Policy in the United States by David Switzer and Jun Deng in Urban Affairs Review

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