1,456 Works

Primary Heterotopic Meningioma of Nasal Cavity: Case Report and Literature Review

Xianwen Hu, Maoyan Jiang, Zelong Feng, Juan Wang, Pan Wang & Jiong Cai
Primary heterotopic meningiomas are lesions that are not associated with a cranial nerve foramen, vertebral canal, or intracranial structure. The most common histopathological subtype is meningeal epithelioma. In clinical practice, primary heterotopic nasal meningioma occurs relatively rarely, and its most common pathological type is psammomatous meningioma, whereas nasal fibrous meningioma is infrequent. In our case, a 31-year-old male patient was admitted to the hospital with “progressive nasal obstruction on the right side for half a...

Genomic and resistome analysis of Alcaligenes faecalis strain PGB1 by Nanopore MinION and Illumina Technologies

Jidong Lang, Yanju Li, Wenjuan Yang, Ruyi Dong, Yuebin Liang, Jia Liu, Lanyou Chen, Weiwei Wang, Binbin Ji, Geng Tian, Nanying Che & Bo Meng
Abstract Background Drug-resistant bacteria are important carriers of antibiotic-resistant genes (ARGs). This fact is crucial for the development of precise clinical drug treatment strategies. Long-read sequencing platforms such as the Oxford Nanopore sequencer can improve genome assembly efficiency particularly when they are combined with short-read sequencing data. Results Alcaligenes faecalis PGB1 was isolated and identified with resistance to penicillin and three other antibiotics. After being sequenced by Nanopore MinION and Illumina sequencer, its entire genome...

ADSCs-derived exosomes ameliorate hepatic fibrosis by suppressing stellate cell activation and remodeling hepatocellular glutamine synthetase-mediated glutamine and ammonia homeostasis

Baitong Wu, Jiuxing Feng, Jingyi Guo, Jian Wang, Guanghui Xiu, Jiaqi Xu, Ke Ning, Bin Ling, Qingchun Fu & Jun Xu
Abstract Background Hepatic fibrosis is a common pathologic stage in chronic liver disease development, which might ultimately lead to liver cirrhosis. Accumulating evidence suggests that adipose-derived stromal cells (ADSCs)-based therapies show excellent therapeutic potential in liver injury disease owing to its superior properties, including tissue repair ability and immunomodulation effect. However, cell-based therapy still limits to several problems, such as engraftment efficiency and immunoreaction, which impede the ADSCs-based therapeutics development. So, ADSCs-derived extracellular vesicles (EVs),...

A high-quality Buxus austro-yunnanensis (Buxales) genome provides new insights into karyotype evolution in early eudicots

Zhenyue Wang, Ying Li, Pengchuan Sun, Mingjia Zhu, Dandan Wang, Zhiqiang Lu, Hongyin Hu, Renping Xu, Jin Zhang, Jianxiang Ma, Jianquan Liu & Yongzhi Yang
Abstract Background Eudicots are the most diverse group of flowering plants that compromise five well-defined lineages: core eudicots, Ranunculales, Proteales, Trochodendrales, and Buxales. However, the phylogenetic relationships between these five lineages and their chromosomal evolutions remain unclear, and a lack of high-quality genome analyses for Buxales has hindered many efforts to address this knowledge gap. Results Here, we present a high-quality chromosome-level genome of Buxus austro-yunnanensis (Buxales). Our phylogenomic analyses revealed that Buxales and Trochodendrales...

Comparative clinical outcome following individualized follitropin delta dosing in Chinese women undergoing ovarian stimulation for in vitro fertilization /intracytoplasmic sperm injection

Rui Yang, Yunshan Zhang, Xiaoyan Liang, Xueru Song, Zhaolian Wei, Jianqiao Liu, Yezhou Yang, Jichun Tan, Qingxue Zhang, Yingpu Sun, Wei Wang, Weiping Qian, Lei Jin, Shuyu Wang, Yang Xu, Jing Yang, Marie Goethberg, Bernadette Mannaerts, Wen Wu, Zugeng Zheng & Jie Qiao
Abstract Background To compare the efficacy and safety of follitropin delta in its individualized fixed-dose regimen with follitropin alfa in a conventional adjustable dosing regimen in Chinese women. Methods This was a subgroup analysis of the randomized, multi-center, assessor-blind, non-inferiority trial (GRAPE) including 759 Chinese women (aged 20–40 years) recruited in 16 reproductive medicine clinics in China. Women were randomized in a 1:1 ratio to be treated with either follitropin delta dose based on anti-Müllerian...

ETV2 promotes osteogenic differentiation of human dental pulp stem cells through the ERK/MAPK and PI3K-Akt signaling pathways

Jing Li, Haoran Du, Xin Ji, Yihan Chen, Yishuai Li, Boon Chin Heng & Jianguang Xu
Abstract Background The repair of cranio-maxillofacial bone defects remains a formidable clinical challenge. The Ets variant 2 (ETV2) transcription factor, which belongs to the E26 transformation-specific (ETS) family, has been reported to play a key role in neovascularization. However, the role of ETV2 in the osteogenesis of human dental pulp stem cells (hDPSCs) remains unexplored. Methods Transgenic overexpression of ETV2 was achieved using a lentiviral vector, based on a Dox-inducible system. The effects of Dox-induced...

ETV2 promotes osteogenic differentiation of human dental pulp stem cells through the ERK/MAPK and PI3K-Akt signaling pathways

Jing Li, Haoran Du, Xin Ji, Yihan Chen, Yishuai Li, Boon Chin Heng & Jianguang Xu
Abstract Background The repair of cranio-maxillofacial bone defects remains a formidable clinical challenge. The Ets variant 2 (ETV2) transcription factor, which belongs to the E26 transformation-specific (ETS) family, has been reported to play a key role in neovascularization. However, the role of ETV2 in the osteogenesis of human dental pulp stem cells (hDPSCs) remains unexplored. Methods Transgenic overexpression of ETV2 was achieved using a lentiviral vector, based on a Dox-inducible system. The effects of Dox-induced...

TNFα and IFNγ rapidly activate PI3K-AKT signaling to drive glycolysis that confers mesenchymal stem cells enhanced anti-inflammatory property

Chenchang Xu, Chao Feng, Peiqing Huang, Yinghong Li, Rui Liu, Chunxiao Liu, Yuyi Han, Lei Chen, Yayun Ding, Changshun Shao & Yufang Shi
Abstract Background Mesenchymal stem/stromal cells (MSCs) acquire immunosuppressive capacity only in an inflammatory microenvironment. This can be recapitulated in vitro by treating MSCs with inflammatory cytokines TNFα and IFNγ, which induce indoleamine 2,3-dioxygenase (IDO) and TNF-stimulated gene-6 (TSG-6). However, the signaling pathways downstream of the cytokines remain to be elucidated. Methods Inflammatory bowel disease (IBD) mouse model was established by subjecting mice to dextran sulfate sodium (DSS) in drinking water for 7 days. Human UC-MSCs...

Patient perception of doctor communication skills and patient trust in rural primary health care: the mediating role of health service quality

Linni Gu, Bo Tian, Yujia Xin, Shengfa Zhang, Jing Li & Zhijun Sun
Abstract Background This study aimed to explore the relationship between communication skills, health service quality, and patient trust in primary health services. Method This study was conducted in village clinics in rural China. A simple random sampling method was used to select volunteer village clinics and patients. In total, 574 participants from 25 village clinics were selected with the help of local health officers and village doctors. The response rate was 90%. Statistical analyses (hierarchical...

In Vitro and in Vivo Study of the Effect of Osteogenic Pulsed Electromagnetic Fields on Breast and Lung Cancer Cells

Mike Y. Chen, Jing Li, Nianli Zhang, Erik I. Waldorff, James T. Ryaby, Philip Fedor, Yongsheng Jia & Yujun Wang
Introduction: Although there have been significant advances in research and treatments over the past decades, cancer remains a leading cause of morbidity and mortality, mostly due to resistance to standard therapies. Pulsed electromagnetic field (PEMF), a newly emerged therapeutic strategy, has been highly regarded as less invasive and almost safe to patients, is now a clinically accepted form to treat diseases including cancer. Breast and lung cancer are the most prevalent forms of human cancers,...

Unrelated cord blood transplantation vs. HLA-matched sibling transplantation for adults with B-cell acute lymphoblastic leukemia in complete remission: superior OS for patients with long-term survival

Guangyu Sun, Baolin Tang, Kaidi Song, Yue Wu, Meijuan Tu, Xiang Wan, Wen Yao, Liangquan Geng, Ping Qiang & Xiaoyu Zhu
Abstract Background Allogeneic hematopoietic stem cell transplantation (allo-HSCT) is an important curative therapy for adult acute lymphoblastic leukemia (ALL). For patients who lack a human leukocyte antigen (HLA)-matched sibling donor, unrelated cord blood (UCB) is an alternative graft option. Previous studies have focused mainly on all T- and B-cell ALL (B-ALL) patients, while data related specifically to adult B-ALL patients after UCB transplantation (UCBT) are scarce. Methods We retrospectively compared the outcomes of UCBT and...

Effect of different feeding methods on gastrointestinal function in critical patients (DFM-GFC): study protocol for a randomized controlled trial

Guang Yang, Aijing Deng, Bojun Zheng, Jian Li, Yi Yu, Honglian Ouyang, Xin Huang & Hong Chen
Abstract Background Enteral nutrition is a major pathway of nutrition for patients requiring critical care. However, it remains unclear whether intermittent or continuous feeding is the better approach, especially after nasogastric enteral nutrition via a gastric tube. Therefore, this randomized controlled clinical study was designed to observe the effects of different methods on critically ill patients. Methods Different Feeding Methods on Gastrointestinal Function of Critical patients (DFM-GFC) is a randomized clinical study that will be...

Effect of different feeding methods on gastrointestinal function in critical patients (DFM-GFC): study protocol for a randomized controlled trial

Guang Yang, Aijing Deng, Bojun Zheng, Jian Li, Yi Yu, Honglian Ouyang, Xin Huang & Hong Chen
Abstract Background Enteral nutrition is a major pathway of nutrition for patients requiring critical care. However, it remains unclear whether intermittent or continuous feeding is the better approach, especially after nasogastric enteral nutrition via a gastric tube. Therefore, this randomized controlled clinical study was designed to observe the effects of different methods on critically ill patients. Methods Different Feeding Methods on Gastrointestinal Function of Critical patients (DFM-GFC) is a randomized clinical study that will be...

Cross-watershed distribution pattern challenging the elimination of Oncomelania hupensis, the intermediate host of Schistosoma japonica, in Sichuan province, China

Shen Chen, Ding Lu, Lei Duan, Ben Ma, Chao Lv, Yin-long Li, Shen-ning Lu, Lan-hua Li, Liang Xu, Zi-song Wu, Shang Xia, Jing Xu, Yang Liu & Shan Lv
Abstract Background Snail control is critical to schistosomiasis control efforts in China. However, re-emergence of Oncomelania hupensis is challenging the achievements of schistosomiasis control. The present study aimed to test whether the amphibious snails can spread across watersheds using a combination of population genetics and geographic statistics. Methods The digital maps and attributes of snail habitats were obtained from the national survey on O. hupensis. Snail sampling was performed in 45 counties of Sichuan Province....

Deep learning algorithm reveals two prognostic subtypes in patients with gliomas

Jing Tian, Mingzhen Zhu, Zijing Ren, Qiang Zhao, Puqing Wang, Colin K. He, Min Zhang, Xiaochun Peng, Beilei Wu, Rujia Feng & Minglong Fu
Abstract Background Gliomas are highly complex and heterogeneous tumors, rendering prognosis prediction challenging. The advent of deep learning algorithms and the accessibility of multi-omic data represent a new approach for the identification of survival-sensitive subtypes. Herein, an autoencoder-based approach was used to identify two survival-sensitive subtypes using RNA sequencing (RNA-seq) and DNA methylation (DNAm) data from The Cancer Genome Atlas (TCGA) dataset. The subtypes were used as labels to build a support vector machine model...

Deep learning algorithm reveals two prognostic subtypes in patients with gliomas

Jing Tian, Mingzhen Zhu, Zijing Ren, Qiang Zhao, Puqing Wang, Colin K. He, Min Zhang, Xiaochun Peng, Beilei Wu, Rujia Feng & Minglong Fu
Abstract Background Gliomas are highly complex and heterogeneous tumors, rendering prognosis prediction challenging. The advent of deep learning algorithms and the accessibility of multi-omic data represent a new approach for the identification of survival-sensitive subtypes. Herein, an autoencoder-based approach was used to identify two survival-sensitive subtypes using RNA sequencing (RNA-seq) and DNA methylation (DNAm) data from The Cancer Genome Atlas (TCGA) dataset. The subtypes were used as labels to build a support vector machine model...

Dynamic 3D measurement based on orthogonal fringe projection and geometric constraints

Qingkang Bao, Jian Li, Xufeng Li, Tianyu Zhang, Hong Zhao & Chunwei Zhang
Geometric constraint algorithms can solve phase ambiguity for fringe projection profilometry. However, they either require multiple cameras or suffer from a small measurement depth range. To overcome these limitations, this letter proposes an algorithm combining orthogonal fringe projection and geometric constraints. A novel scheme is developed to assess the reliabilities of the potential homologous points, which works with depth segmentation to determine the final homologous points. With full consideration of lens distortions, the algorithm reconstructs...

China’s terrestrial ecosystem carbon balance during the 20th century: an analysis with a process-based biogeochemistry model

Yanyu Lu, Yao Huang, Qianlai Zhuang, Wei Sun, Shutao Chen & Jun Lu
Abstract Background China’s terrestrial ecosystems play a pronounced role in the global carbon cycle. Here we combine spatially-explicit information on vegetation, soil, topography, climate and land use change with a process-based biogeochemistry model to quantify the responses of terrestrial carbon cycle in China during the 20th century. Results At a century scale, China’s terrestrial ecosystems have acted as a carbon sink averaging at 96 Tg C yr− 1, with large inter-annual and decadal variabilities. The...

A unified global genotyping framework of dengue virus serotype-1 for a stratified coordinated surveillance strategy of dengue epidemics

Liqiang Li, Xiang Guo, Xiaoqing Zhang, Lingzhai Zhao, Li Li, Yuji Wang, Tian Xie, Qingqing Yin, Qinlong Jing, Tian Hu, Ziyao Li, Rangke Wu, Wei Zhao, Sherman Xuegang Xin, Benyun Shi, Jiming Liu, Shang Xia, Zhiqiang Peng, Zhicong Yang, Fuchun Zhang, Xiao-Guang Chen & Xiaohong Zhou
Abstract Background Dengue is the fastest spreading arboviral disease, posing great challenges on global public health. A reproduceable and comparable global genotyping framework for contextualizing spatiotemporal epidemiological data of dengue virus (DENV) is essential for research studies and collaborative surveillance. Methods Targeting DENV-1 spreading prominently in recent decades, by reconciling all qualified complete E gene sequences of 5003 DENV-1 strains with epidemiological information from 78 epidemic countries/areas ranging from 1944 to 2018, we established and...

miR-1297 sensitizes glioma cells to temozolomide (TMZ) treatment through targeting adrenomedullin (ADM)

Zongze He, Meixiong Cheng, Junting Hu, Lingtong Liu, Ping Liu, Longyi Chen, Deqian Cao & Jian Tang
Abstract Background Gliomas account for about 80% of all malignant brain and other central nervous system (CNS) tumors. Temozolomide (TMZ) resistance represents a major treatment hurdle. Adrenomedullin (ADM) has been reported to induce glioblastoma cell growth. Methods Cell viability was measured using the CCK-8 assay. The apoptosis analysis was performed using the Annexin V-FITC Apoptosis Detection Kit. The mitochondrial membrane potential was determined by JC-1 staining. A nude mouse tumor assay was used to detect...

miR-1297 sensitizes glioma cells to temozolomide (TMZ) treatment through targeting adrenomedullin (ADM)

Zongze He, Meixiong Cheng, Junting Hu, Lingtong Liu, Ping Liu, Longyi Chen, Deqian Cao & Jian Tang
Abstract Background Gliomas account for about 80% of all malignant brain and other central nervous system (CNS) tumors. Temozolomide (TMZ) resistance represents a major treatment hurdle. Adrenomedullin (ADM) has been reported to induce glioblastoma cell growth. Methods Cell viability was measured using the CCK-8 assay. The apoptosis analysis was performed using the Annexin V-FITC Apoptosis Detection Kit. The mitochondrial membrane potential was determined by JC-1 staining. A nude mouse tumor assay was used to detect...

In vitro activity of ceftaroline, ceftazidime-avibactam, and comparators against Gram-positive and -negative organisms in China: the 2018 results from the ATLAS program

Peiyao Jia, Ying Zhu, Hui Zhang, Bin Cheng, Ping Guo, Yingchun Xu & Qiwen Yang
Abstract Background Data on antibiotic resistance is essential to adapt treatment strategies against the rapidly changing reality of antimicrobial resistance. Objective To study the in vitro activity of ceftaroline, ceftazidime-avibactam, and comparators against Gram-positive and Gram-negative bacteria collected from China in the year 2018. Methods A total of 2301 clinical isolates were collected from 17 medical center laboratories in China, which participated in the ATLAS program in 2018. Antimicrobial susceptibilities were determined by the broth...

Identification of a new way to induce differentiation of dermal fibroblasts into vascular endothelial cells

XiaoLing Cui, XiaoTan Wang, Jie Wen, Xiao Li, Nan Li, XuXiao Hao, BaoXiang Zhao, Xunwei Wu & JunYing Miao
Abstract Background Human dermal fibroblasts (HDFs) have the potential to differentiate into vascular endothelial cells (VECs), but their differentiation rate is low and the mechanism involved is not clear. The small molecule pathway controls the phenotype of fibroblasts by activating cellular signaling pathways, which is a more convenient method in the differentiation strategy of HDFs into VECs. Methods In this study, HDFs were treated with the different doses of CPP ((E)-4-(4-(4-(7-(diethylamino)-2-oxo-2H-chromene-3-carbonyl) piperazin-1-yl) styryl)-1-methylpyridin-1-ium iodide), and...

Identification of a new way to induce differentiation of dermal fibroblasts into vascular endothelial cells

XiaoLing Cui, XiaoTan Wang, Jie Wen, Xiao Li, Nan Li, XuXiao Hao, BaoXiang Zhao, Xunwei Wu & JunYing Miao
Abstract Background Human dermal fibroblasts (HDFs) have the potential to differentiate into vascular endothelial cells (VECs), but their differentiation rate is low and the mechanism involved is not clear. The small molecule pathway controls the phenotype of fibroblasts by activating cellular signaling pathways, which is a more convenient method in the differentiation strategy of HDFs into VECs. Methods In this study, HDFs were treated with the different doses of CPP ((E)-4-(4-(4-(7-(diethylamino)-2-oxo-2H-chromene-3-carbonyl) piperazin-1-yl) styryl)-1-methylpyridin-1-ium iodide), and...

Development and validation of an extended Cox prognostic model for patients with ER/PR+ and HER2− breast cancer: a retrospective cohort study

Yiqun Xie, Xizhou Li, Ying Wu, Wenting Cui & Yang Liu
Abstract Background The purpose of this study was to explore a new estrogen receptor (ER) and/or progesterone receptor (PR)+ and human epidermal growth factor receptor 2 (HER2)− breast cancer prognostic model, called the extended Cox prognostic model, for determining the cutoff values for multiple continuous prognostic factors and their interaction via the new model concept and variable selection method. Methods A total of 335 patients with ER/PR+ and HER2− breast cancer were enrolled for the...

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