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Potential use of serum HBV RNA in antiviral therapy for chronic hepatitis B in the era of nucleos(t)ide

Fengmin Lu, Jie Wang, Xiangmei Chen, Dongping Xu, Ningshao Xia

Frontiers of Medicine 2017, Volume 11, Issue 4,   Pages 502-508 doi: 10.1007/s11684-017-0590-z

Abstract: cycle of HBV replication, and the potential significance of serum HBV RNA is systematically describedThe production of HBV RNA virion-like particles should not be blocked by NA; in this regard, serum HBVDNA fragment, serum HBV RNA, with pregenomic RNA origination, can only be transcribed from cccDNA.Therefore, the loss of serum HBV RNA would likely be a promising predicator for safe drug discontinuationThe clinical status of consistent loss of serum HBV RNA accompanied with low serum HBsAg levels might

Keywords： chronic hepatitis B     serum HBV RNA     nucleos(t)ide analogs     virological response     para-functional cure    

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Impact of HBV replication in peripheral blood mononuclear cell on HBV intrauterine transmission

Xiaohong Shi, Xuefei Wang, Xixi Xu, Yongliang Feng, Shuzhen Li, Shuying Feng, Bo Wang, Suping Wang

Frontiers of Medicine 2017, Volume 11, Issue 4,   Pages 548-553 doi: 10.1007/s11684-017-0597-5

Abstract: Within 24 h after birth, HBV serological markers, serum HBV DNA, PBMC HBV relaxed circular DNA (rcDNAThe relationship between HBV replication in PBMC and HBV intrauterine transmission was examined throughMaternal PBMC HBV cccDNA was a risk factor of HBV intrauterine transmission (OR= 6.003, 95% CI: 1.249&Maternal serum HBeAg was a risk factor of PBMC HBV rcDNA (OR= 3.896, 95% CI: 1.929–7.876) and PBMCplays a critical role in HBV intrauterine transmission.

Keywords： PBMC     HBV cccDNA     HBV rcDNA     HBV intrauterine transmission    

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Current recommendations of managing HBV infection in preconception or pregnancy

James S. Park,Calvin Pan

Frontiers of Medicine 2014, Volume 8, Issue 2,   Pages 158-165 doi: 10.1007/s11684-014-0340-4

Abstract:

Hepatitis B remains a leading cause of cirrhosis, hepatocellular carcinoma and liver transplantation worldwide. Management of chronic hepatitis B during pregnancy is challenging. Transmission of hepatitis B to infants still occurs perinatally although immunoprophylaxis is widely available for infants born to mothers with chronic hepatitis B infection. The emerging data suggest that initiation of antiviral therapy in the beginning of the third trimester in highly viremic mothers can prevent immunoprophylaxis failure in their infants. The available drug safety data show that lamivudine, telbivudine and tenofovir are generally safe to be used during the pregnancy. In order to minimize the fetal exposure to the antiviral medication, antiviral therapy during the pregnancy should be limited to a selected group of patients with cirrhosis, high hepatitis B viral load, or prior history immunoprophylaxis failure. An elective Caesarean section may reduce the risk of perinatal transmission. For those females planning for pregnancy or in early stage of pregnancy, communication and follow-up among obstetrician, gastroenterologist, and primary care physician are important. In this article, we will review the features of hepatitis B infection before, during and after the pregnancy; the risk factors that increase mother-to-child transmission; safety data on antiviral drug use during pregnancy; and the potential role of Caesarean section in selected cases.

Keywords： antiviral therapy     Caesarean section     cirrhosis     hepatitis B     immunoprophylaxis     mother-to-child transmission     pregnancy     prevention    

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Ribozyme and the mechanisms that underlie RNA catalysis

Timothy J. Wilson,Yijin Liu,David M. J. Lilley

Frontiers of Chemical Science and Engineering 2016, Volume 10, Issue 2,   Pages 178-185 doi: 10.1007/s11705-016-1558-2

Abstract: Ribozymes are widespread, and catalyze some extremely important reactions in the cell. Mechanistically most fall into one of two classes, using either metal ions or general acid-base catalysis. The nucleolytic ribozymes fall into the latter class, mostly using nucleobases. A sub-set of these use a combination of guanine base plus adenine acid to catalyze the cleavage reaction. New ribozymes are still being discovered at regular intervals and we can speculate on the potential existence of ribozymes that catalyze chemistry beyond phosphoryl transfer reactions, perhaps using small-molecule coenzymes.

Keywords： RNA catalysis     RNA structure     catalytic mechanism    

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New perspective on the natural course of chronic HBV infection

Yong-Yuan Zhang,Ke-Qin Hu,Zhongping Duan

Frontiers of Medicine 2014, Volume 8, Issue 2,   Pages 129-134 doi: 10.1007/s11684-014-0339-x

Abstract:

Chronic hepatitis B virus (HBV) infection is a significant threat to public health and an enormousMechanisms responsible for chronic HBV infection remain poorly understood.Natural course of chronic HBV infection is conventionally viewed as an uninterrupted process that iswith assumed host responses to HBV infection.and reinfection, and such cycles prolong the chronic HBV infection course.

Keywords： hepatitis B virus     chronic HBV infection     natural course     hepatitis B     seroconversion    

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A Resilience Approach for Diagnosing and Predicting HBV-Related Diseases based on Blood Tests Article

Gege Hou,Yunru Chen,Xiaojing Liu,Dong Zhang,Zhimin Geng,Shubin Si

Engineering 2024, Volume 32, Issue 1,   Pages 174-185 doi: 10.1016/j.eng.2023.06.013

Abstract:

Chronic hepatitis B virus (HBV) infection, which threatens global publicExaminations for liver diseases related to chronic HBV infection—including laboratory tests, ultrasoundsestablish an economical and effective diagnosis method in order to streamline the medical process for HBV-related

Keywords： HBV-related diseases     Functional resilience     Improve medical resource utilization     Critical states     Network    

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Eliminating mother-to-child transmission of HBV: progress and challenges in China

Wenzhan Jing, Jue Liu, Min Liu

Frontiers of Medicine 2020, Volume 14, Issue 1,   Pages 21-29 doi: 10.1007/s11684-020-0744-2

Abstract: China has the world’s largest burden of hepatitis B virus (HBV) infection, but the country has made considerableStudies on the optimal antiviral treatment regimen for pregnant women with high HBV-DNA load have alsoHowever, China still faces challenges in eliminating MTCT of HBV.than that of the national level because of limited health resources and public health education for HBVIntegration of current services to prevent MTCT of HBV with other relevant health services can increase

Keywords： hepatitis B virus     mother-to-child transmission     progress     challenge    

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Anti RNA Viruses Related Biomaterials

Yao Kangde,Yin Yuji,Zhang Baolian,Zhao Liguo

Strategic Study of CAE 2003, Volume 5, Issue 7,   Pages 17-23

Abstract:

The structure, reproduction, replication and transcription of RNA viruses were introduced.Antivirus strategies including design of anti - SARS drugs, RNA interference, DNA vaccine delivery systemThese examples imply the interactions of RNA viruses with proteins, DNA, and polysaccharides.

Keywords： Anti-RNA viruses     protein     DNA     polysaccharide     biomaterials    

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RNA-Based Biocontrols—A New Paradigm in Crop Protection Review

Matthew Bramlett, Geert Plaetinck, Peter Maienfisch

Engineering 2020, Volume 6, Issue 5,   Pages 522-527 doi: 10.1016/j.eng.2019.09.008

Abstract: Over the last years, the RNA interference (RNAi) process has been identified as a very promising newRNA-based active ingredients (AIs) possess a unique mode of action and can be implemented via both geneticRNA-based AIs promise to deliver the selectivity and sustainability desired in future crop protectionresearch progress toward RNA-based biocontrols against the Colorado potato beetle (CPB), corn rootwormMany challenges still exist on the road to the implementation of a broad range of RNA-based products

Keywords： RNA-based biocontrols     RNA interference (RNAi)     Colorado potato beetle (CPB)     Corn rootworm (CRW)     Soy    

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Knockdown of a Specific Circular Non-coding RNA Significantly Suppresses Osteosarcoma Progression Article

Shidong Wang, Hongliang Zhang, Bo Li, Chenglong Chen, Tingting Ren, Yi Huang, Kai Liu, Jingjing Li, Wei Guo

Engineering 2023, Volume 21, Issue 2,   Pages 187-193 doi: 10.1016/j.eng.2021.12.007

Abstract:

Osteosarcoma (OS) is a malignant mesenchymal tissue tumor known to occur in children and adolescents, and pulmonary metastasis often leads to death in these patients. The mechanism underlying OS progression remains unclear. Therefore, identifying new therapeutic targets and treatment modalities for OS is urgently needed. Abnormally expressed non-coding circular RNAs (circRNAs) are crucial for the occurrence and development of OS. The purpose of this study was to explore the expression and role of a novel circRNA circ_000203 in OS and elucidate the underlying mechanism. circ_000203 was demonstrated highly expressed in OS cell lines and tissues, and circ_000203 knockdown significantly inhibited OS progression in vitro and in vivo. Furthermore, we found that circ_000203 is a sponge of miR-26b-5p, an upstream regulator of bone morphogenetic protein receptor 2 (BMPR2). Thus, the overexpression of BMPR2 could reduce the inhibitory effect on OS progression. This indicates that knockdown of circ_000203 suppresses OS progression through microRNA (miRNA)-mediated BMPR2 downregulation. Our findings provide important insights for understanding the occurrence and development of OS. 

Keywords： Non-coding RNA     Osteosarcoma     CircRNA     Molecular mechanism     Knockdown    

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Blockage of receptor-interacting protein 2 expression by small interfering RNA in murine macrophages

LIU Hongchun, CAO Zhongwei, JIN Jianjun, WANG Jiyao

Frontiers of Medicine 2008, Volume 2, Issue 2,   Pages 166-170 doi: 10.1007/s11684-008-0030-1

Abstract: Murine Rip2 small interfering RNA (siRNA) plasmids were constructed and transfected into macrophage andThe HMGB1 expression in the liver decreased to (40.21 ± 11.03) pg/g, and serum TNF-?
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Effect of renal function and hemodialysis on the serum tumor markers in patients with chronic kidney

YU Xiaofang, XU Xialian, YE Zhibin

Frontiers of Medicine 2007, Volume 1, Issue 3,   Pages 308-311 doi: 10.1007/s11684-007-0059-6

Abstract: with chronic renal failure, whether they have had hemodialysis or not, the specificity of some of the serumThe effects of renal function and hemodialysis were examined on serum levels of some of the tumor markersThere were no significant differences among the three groups in the serum concentrations of CA, AFP,of the corresponding tumors was decreased while serum AFP, CA, CA, PSA and fPSA were as valuable asHemodialysis further increased the serum level of CA and NSE.

Keywords： CKD     non-dialysis     valuable     detection     chronic    

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Overexpressed long noncoding RNA CRNDE with distinct alternatively spliced isoforms in multiple cancers

Xuefei Ma, Wei Zhang, Rong Zhang, Jingming Li, Shufen Li, Yunlin Ma, Wen Jin, Kankan Wang

Frontiers of Medicine 2019, Volume 13, Issue 3,   Pages 330-343 doi: 10.1007/s11684-017-0557-0

Abstract: CRNDE is a long noncoding RNA with alternative splicing and is implicated in the pathogenesis of several

Keywords： long noncoding RNA     CRNDE     alternative splicing    

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Direct acting antiviral-induced dynamic reduction of serum

Tung Huynh, Ke-Qin Hu

Frontiers of Medicine 2019, Volume 13, Issue 6,   Pages 658-666 doi: 10.1007/s11684-019-0707-7

Abstract: Direct acting antiviral (DAA) treatments may reduce the elevated α fetoprotein (AFP), but data on how these treatments affect elevated AFP in patients with chronic hepatitis C (CHC) remain insufficient. In the present study, the frequency of baseline AFP elevations and their related factors, AFP dynamics during and after DAA treatment, and factors associated with AFP reduction was assessed. This retrospective study included 141 patients with CHC without hepatocellular carcinoma who received DAA and achieved sustained virological response. The details are as follows: mean post-treatment follow-up was 99 weeks (12–213); mean age, 57.8 years old; 52%, males; 79%, genotype (GT) 1; and 47%, cirrhosis. Pre-treatment AFP elevation (>5.5 ng/mL) was seen in 48.2% patients. On multivariate analysis, baseline AFP>5.5 was associated with the presence of cirrhosis ( =0.001), co-existing non-alcoholic steatohepatitis (NASH) ( = 0.035), and GT 1 ( = 0.029). AFP normalization was seen in 28.2% patients at treatment week 2, in 52% at the end of treatment, and in 73.4% at the end of follow-up. Post-treatment week 24 AFP normalization was associated with the absence of cirrhosis ( = 0.003), Child–Pugh score<6 ( = 0.015), and baseline AFP<10 ( = 0.015). AFP elevation is common in patients with CHC and independently associated with NASH, cirrhosis, and GT 1. DAA treatment resulted in AFP normalization as early as treatment week 2. Post-treatment week 24 AFP normalization is independently associated with the absence of cirrhosis, Child–Pugh score<6, and baseline AFP<10.

Keywords： chronic hepatitis C     α fetoprotein     direct acting antiviral treatment     cirrhosis    

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Proteomics study of Mycoplasma pneumoniae pneumonia reveals the Fc fragment of the IgG-binding protein as a serum

Frontiers of Medicine 2022, Volume 16, Issue 3,   Pages 378-388 doi: 10.1007/s11684-021-0840-y

Abstract: Therefore, identifying serum biomarkers that indicate MPP progression and exploring new targeted drugsIn this study, serum samples were collected from patients with general MPP (GMPP) and SMPP to conduct

Keywords： severe Mycoplasma pneumoniae pneumonia     children     proteomics     Fc fragment of the IgG-binding protein     mechanistic target of rapamycin kinase inhibitor    

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Title Author Date Type Operation

Potential use of serum HBV RNA in antiviral therapy for chronic hepatitis B in the era of nucleos(t)ide

Fengmin Lu, Jie Wang, Xiangmei Chen, Dongping Xu, Ningshao Xia

Journal Article

Impact of HBV replication in peripheral blood mononuclear cell on HBV intrauterine transmission

Xiaohong Shi, Xuefei Wang, Xixi Xu, Yongliang Feng, Shuzhen Li, Shuying Feng, Bo Wang, Suping Wang

Journal Article

Current recommendations of managing HBV infection in preconception or pregnancy

James S. Park,Calvin Pan

Journal Article

Ribozyme and the mechanisms that underlie RNA catalysis

Timothy J. Wilson,Yijin Liu,David M. J. Lilley

Journal Article

New perspective on the natural course of chronic HBV infection

Yong-Yuan Zhang,Ke-Qin Hu,Zhongping Duan

Journal Article

A Resilience Approach for Diagnosing and Predicting HBV-Related Diseases based on Blood Tests

Gege Hou,Yunru Chen,Xiaojing Liu,Dong Zhang,Zhimin Geng,Shubin Si

Journal Article

Eliminating mother-to-child transmission of HBV: progress and challenges in China

Wenzhan Jing, Jue Liu, Min Liu

Journal Article

Anti RNA Viruses Related Biomaterials

Yao Kangde,Yin Yuji,Zhang Baolian,Zhao Liguo

Journal Article

RNA-Based Biocontrols—A New Paradigm in Crop Protection

Matthew Bramlett, Geert Plaetinck, Peter Maienfisch

Journal Article

Knockdown of a Specific Circular Non-coding RNA Significantly Suppresses Osteosarcoma Progression

Shidong Wang, Hongliang Zhang, Bo Li, Chenglong Chen, Tingting Ren, Yi Huang, Kai Liu, Jingjing Li, Wei Guo

Journal Article

Blockage of receptor-interacting protein 2 expression by small interfering RNA in murine macrophages

LIU Hongchun, CAO Zhongwei, JIN Jianjun, WANG Jiyao

Journal Article

Effect of renal function and hemodialysis on the serum tumor markers in patients with chronic kidney

YU Xiaofang, XU Xialian, YE Zhibin

Journal Article

Overexpressed long noncoding RNA CRNDE with distinct alternatively spliced isoforms in multiple cancers

Xuefei Ma, Wei Zhang, Rong Zhang, Jingming Li, Shufen Li, Yunlin Ma, Wen Jin, Kankan Wang

Journal Article

Direct acting antiviral-induced dynamic reduction of serum

Tung Huynh, Ke-Qin Hu

Journal Article

Proteomics study of Mycoplasma pneumoniae pneumonia reveals the Fc fragment of the IgG-binding protein as a serum

Journal Article