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MicroRNA-148b promotes proliferation of hair follicle cells by targeting

Wanbao YANG,Qinqun LI,Bo SU,Mei YU

《农业科学与工程前沿（英文）》 2016年 第3卷 第1期   页码 72-80 doi: 10.15302/J-FASE-2016089

摘要： MicroRNAs (miRNAs), small non-coding RNAs, are involved in many aspects of biological processes. Previous studies have indicated that miRNAs are important for hair follicle development and growth. In our study, we found by qRT-PCR that miR-148b was significantly upregulated in sheep wool follicle bulbs in anagen phase compared with the telogen phase of the hair follicle cycle. Overexpression of miR-148b promoted proliferation of both HHDPC and HHGMC. By using the TOPFlash system we demonstrated that miR-148b could activate Wnt/β-catenin pathway and , , and were consistently upregulated accordingly. Furthermore, transcript factor nuclear factor of activated T cells type 5 ( ) and were predicted to be the target of miR-148b and this was substantiated using a Dual-Luciferase reporter system. Subsequently was further identified as the target of miR-148b using western blotting. These results were considered to indicate that miR-148b could activate the Wnt/β-catenin signal pathway by targeting to promote the proliferation of human hair follicle cells.

关键词： miR-148b     hair follicle     proliferation     NFAT5     Wnt10b    

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The microRNA, miR-29c, participates in muscle development through targeting the

Weiya ZHANG,Wei WEI,Yuanyuan ZHAO,Shuhong ZHAO,Xinyun LI

《农业科学与工程前沿（英文）》 2015年 第2卷 第4期   页码 311-317 doi: 10.15302/J-FASE-2015075

摘要： Previous studies indicated that miR-29c is important for muscle development in mice and human, but its role in pigs is unknown. In this study, we detected the expression of miR-29c in Meishan longissimus lumborum (LL) muscle. The results showed that miR-29c was gradually upregulated during development of skeletal muscle in pig. Moreover, the expression of and genes, which were confirmed to be targeted by miR-29c in mice, was decreased along with muscle development. Furthermore, the expression level of miR-29c was significantly higher in adult Meishan pigs than Large White pigs, while the expression of and genes was significantly lower in Meishan pigs. These results indicated that the expression pattern of miR-29c was opposite to that of and genes in pigs. Also, the luciferase assay indicated that miR-29s can target the gene in pigs. In addition, we identified a T to C mutation in the primary transcript of miR-29c, which was associated with the postmortem muscle pH in pigs. Based on these results, we concluded that miR-29c is also important in skeletal muscle development of pigs.

关键词： pig     miR-29c     skeletal muscle     expression     SNP    

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Effects of miR-200c on the migration and invasion abilities of human prostate cancer Du145 cells and

null

《医学前沿（英文）》 2014年 第8卷 第4期   页码 456-463 doi: 10.1007/s11684-014-0353-z

摘要：

microRNAs (miRNAs) have played a key role in human tumorigenesis, tumor progression, and metastasis. On the one hand, miRNAs are aberrantly expressed in many types of human cancer; on the other hand, miRNAs can function as tumor suppressors or oncogenes that target many cancer-related genes. This study aimed to investigate the effects of miRNA-200c (miR-200c) on the biological behavior and mechanism of proliferation, migration, and invasion in the prostate cancer cell line Du145. In this study, Du145 cells were transfected with miR-200c mimics or negative control miR-NC by using an X-tremeGENE siRNA transfection reagent. The relative expression of miR-200c was measured by RT-PCR. The proliferation, migration, and invasion abilities of Du145 cells were detected by CCK8 assays, migration assays and invasion assays, respectively. The expressions of ZEB1, E-cadherin, and vimentin were observed by western blot. Results showed that DU145 cells exhibited a high expression of miR-200c compared with immortalized normal prostate epithelial cell RWPE-1. Du145 cells were then transfected with miR-200c mimics and displayed lower abilities of proliferation, migration, and invasion than those transfected with the negative control. The protein levels of ZEB1 and vimentin were expressed at a low extent in Du145 cells, which were transfected with miR-200c mimics; by contrast, E-cadherin was highly expressed. Hence, miR-200c could significantly inhibit the proliferation of the prostate cancer cell line Du145; likewise, miR-200c could inhibit migration and invasion by epithelial-mesenchymal transition.

关键词： miR-200c     proliferation     migration     invasion     prostate cancer     Du145 cell     ZEB1    

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hsa-miR-197在子宫肌瘤中的表达及生物信息学特征分析

徐青,付子毅,吴小莉,皇甫玉爽,凌静

《中国工程科学》 2014年 第16卷 第5期   页码 99-104

摘要：

应用实时定量聚合酶链式反应（PCR）技术检测子宫肌瘤组织中的hsa-miR-197 表达水平，并与配对正常子宫肌细胞对比。通过miRbase、UCSC、NCBI等在线数据库获取并分析hsa-miR-197 序列保守性及其基因组特征。选择miRanda、MirTarget2 及TargetScan 三个在线数据库预测hsa-miR-197 的靶基因并取交集以便后续分析。hsa-miR-197 的功能较广泛，参与肿瘤发生的多种生物学过程，提示hsa-miR-197 可能与子宫肌瘤的发病机制密切相关。

关键词： 子宫肌瘤     hsa-miR-197     生物信息学     靶基因    

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Overexpressed miR-9 promotes tumor metastasis via targeting E-cadherin in serous ovarian cancer

null

《医学前沿（英文）》 2017年 第11卷 第2期   页码 214-222 doi: 10.1007/s11684-017-0518-7

摘要：

MicroRNAs (miRNAs) play critical roles in the development and progression in various cancers. Dysfunctional miR-9 expression remains ambiguous, and no consensus on the metastatic progression of ovarian cancer has been reached. In this study, results from the bioinformatics analysis show that the 3′-UTR of the E-cadherin mRNA was directly regulated by miR-9. Luciferase reporter assay results confirmed that miR-9 could directly target this 3′-UTR. miR-9 and E-cadherin expression in ovarian cancer tissue was quantified by qRT-PCR. Migration and invasion were detected by wound healing and Transwell system assay in SKOV3 and A2780. qRT-PCR and Western blot were performed to detect the epithelial?mesenchymal transition-associated mRNA and proteins. Immunofluorescence technique was used to analyze the expression and subcellular localization of E-cadherin, N-cadherin, and vimentin. The results showed that miR-9 was frequently upregulated in metastatic serous ovarian cancer tissue compared with paired primary ones. Upregulation of miR-9 could downregulate the expression of E-cadherin but upregulate the expression of mesenchymal markers (N-cadherin and vimentin). Overexpression of miR-9 could promote the cell migration and invasion in ovarian cancer, and these processes could be effectively inhibited via miR-9 inhibitor. Thus, our study demonstrates that miR-9 may promote ovarian cancer metastasis via targeting E-cadherin and a novel potential therapeutic approach to control metastasis of ovarian cancer.

关键词： ovarian cancer     metastasis     miR-9     E-cadherin    

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-Derived miR162a Functions on Osteoporosis Through Directly Promoting Osteoblast Formation

Chunyan Gu,Xichao Yu,Xiaozhu Tang,Leilei Gong,Jingquan Tan,Yuanjiao Zhang,Huili Zheng,Ze Wang,Chenqian Zhang,Yejin Zhu,Zuojian Zhou,Heming Yu,Kai Xu,Jinao Duan,Xiaosong Gu,Ye Yang,

《工程（英文）》 doi: 10.1016/j.eng.2023.09.007

摘要： Traditional Chinese medicine (TCM) can help prevent or treat diseases; however, there are few studies on the active substances of TCM. For example, Lycium barbarum L. has been proven to be effective in treating osteoporosis for thousands of years, but its active substance remains to be unknown. Prompted by the efforts to modernize TCM, the present study focused on the novel active substance of Lycium barbarum L. to reinforce kidney essence to produce bone marrow. Illumina deep sequencing analysis and stem-loop polymerase chain reaction (PCR) assay revealed that miR162a, a Lycium barbarum L.-derived microRNA, can pass through the gastrointestinal tract to target the bone marrow in mice. Immunofluorescence staining showed that miR162a was absorbed through systemic RNA interference defective transmembrane family member 1 (SIDT1) in the stomach. Bioinformatics prediction and luciferase reporter assay identified that miR162a targeted nuclear receptor corepressor (NcoR). Alizarin red staining and micro-computed tomography (microCT) confirmed that miR162a promoted osteogenic differentiation in bone marrow mesenchymal stem cells, zebrafish, and a mouse model of osteoporosis. In addition, transgenic Nicotiana benthamiana (N. benthamiana) leaves overexpressing miR162a were developed by agrobacterium infiltration method. microCT and tartrate-resistant acid phosphatase staining confirmed that transgenic N. benthamiana leaves effectively protected against osteoporosis in mice. Our study mechanistically explains how Lycium barbarum L. improves osteoporosis and supports that Lycium barbarum L. reinforces kidney essence, thereby strengthening the bone. miR162a expressed by transgenic plants may represent a novel and safe treatment for human osteoporosis.

关键词： Traditional Chinese medicine     Lycium barbarum     L     miR162a     Osteoporosis     Nuclear receptor corepressor     Transgenic plants    

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Correlation between serum miR-154-5p and urinary albumin excretion rates in patients with type 2 diabetes

Huiwen Ren, Can Wu, Ying Shao, Shuang Liu, Yang Zhou, Qiuyue Wang

《医学前沿（英文）》 2020年 第14卷 第5期   页码 642-650 doi: 10.1007/s11684-019-0719-3

摘要： This study aimed to investigate the correlation between serum miR-154-5p and urinary albumin to creatinine ratio (UACR) in patients with type 2 diabetes mellitus (T2DM) and the association with biomarkers of inflammation and fibrosis in diabetic kidney disease (DKD). A total of 390 patients with T2DM were divided into three groups: normal albuminuria (UACR<30 mg/g, =136, NA), microalbuminuria (UACR at 30–300 mg/g, =132, MA), and clinical albuminuria (UACR>300 mg/g, =122, CA). Circulating miR-154-5p, inflammatory (C-reactive protein (CRP); erythrocyte sedimentation rate (ESR); and tumor necrosis factor-α (TNF-α) and fibrotic markers (vascular endothelial growth factor (VEGF); transforming growth factor-β1 (TGF-β1); and fibronectin (FN)), and other biochemical indicators were assessed via real-time PCR, enzyme-linked immunosorbent assay, and chemiluminescence assay in patients with T2DM and 138 control subjects (NC). UACR, miR-154-5p, glycated hemoglobin (HbA1c), serum creatinine (sCr), blood urea nitrogen (BUN), ESR, CRP, VEGF, TNF-α, TGF-β1, and FN were significantly higher and the estimated glomerular filtration rate (eGFR) was significantly lower in NA, MA, and CA groups than in NC subjects ( <0.05). Elevated levels of UACR and miR-154-5p were directly correlated with HbA1c, sCr, BUN, ESR, CRP, VEGF, TNF-α, TGF-β1, and FN and negatively correlated with eGFR ( <0.05). miR-154-5p, HbA1c, sCr, BUN, eGFR, ESR, CRP, VEGF, TNF-α, TGF-β1, and FN were important factors affecting UACR. These findings indicated that elevated serum miR-154-5p is significantly correlated with high UACR in patients with T2DM and may offer a novel reference for the early diagnosis of DKD.

关键词： type 2 diabetes mellitus     diabetic kidney disease     miR-154-5p     urinary albumin to creatinine ratio    

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Long noncoding RNA LOC646029 functions as a ceRNA to suppress ovarian cancer progression through the miR

《医学前沿（英文）》   页码 924-938 doi: 10.1007/s11684-023-1004-z

摘要： Long noncoding RNAs (lncRNAs) play a crucial regulatory role in the development and progression of multiple cancers. However, the potential mechanism by which lncRNAs affect the recurrence and metastasis of ovarian cancer remains unclear. In the current study, the lncRNA LOC646029 was markedly downregulated in metastatic ovarian tumors compared with primary tumors. Gain- and loss-of-function assays demonstrated that LOC646029 inhibits the proliferation, invasiveness, and metastasis of ovarian cancer cells in vivo and in vitro. Moreover, the downregulation of LOC646029 in metastatic ovarian tumors was strongly correlated with poor prognosis. Mechanistically, LOC646029 served as a miR-627-3p sponge to promote the expression of Sprouty-related EVH1 domain-containing protein 1, which is necessary for suppressing tumor metastasis and inhibiting KRAS signaling. Collectively, our results demonstrated that LOC646029 is involved in the progression and metastasis of ovarian cancer, which may be a potential prognostic biomarker.

关键词： ovarian cancer     lncRNA LOC646029     metastasis     microRNA 627-3p     SPRED1    

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ovarian tumors to safely and successfully become pregnant---a Chinese retrospective cohort study among 148

Bin Yang, Yan Yu, Jing Chen, Yan Zhang, Ye Yin, Nan Yu, Ge Chen, Shifei Zhu, Haiyan Huang, Yongqun Yuan, Jihui Ai, Xinyu Wang, Kezhen Li

《医学前沿（英文）》 2018年 第12卷 第5期   页码 509-517 doi: 10.1007/s11684-017-0554-3

摘要：

This study was performed to evaluate the oncological and reproductive outcomes of childbearing-age women treated with fertility-sparing surgery (FSS) for non-epithelial ovarian tumors in China. One hundred and forty eight non-epithelial ovarian tumor women treated with FSS between January 1, 2000 and August 31, 2015 from two medical centers in China were identified. Progression-free survival (PFS) was 88.5%, whereas overall survival (OS) was 93.9%. Univariate analysis suggested that delivery after treatment is related to PFS (P=0.023), whereas histology significantly influenced OS. Cox regression analysis suggested that only histology was associated with PFS and OS (P<0.05). Among the 129 women who completed adjuvant chemotherapy (ACT), none developed amenorrhea. Among the 44 women who desired pregnancy, 35 (79.5%) successfully had 51 gestations including 35 live births without birth defects. Non-epithelial ovarian tumors can achieve fulfilling prognosis after FSS and chemotherapy. Histology might be the only independent prognostic factor for PFS and OS. FSS followed by ACT appeared to have little or no effect on fertility. Meanwhile, postoperative pregnancy did not increase the PFS or OS. Use of gonadotropin-releasing hormone agonist was not beneficial for fertility.

关键词： malignant germ cell tumors     ovarian sex cord-stromal tumors     fertility-sparing surgery     prognosis     fertility    

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lncR-GAS5 upregulates the splicing factor to impair endothelial autophagy, leading to atherogenesis

《医学前沿（英文）》 2023年 第17卷 第2期   页码 317-329 doi: 10.1007/s11684-022-0931-4

摘要： Long noncoding RNAs (lncRNAs) play a critical role in the regulation of atherosclerosis. Here, we investigated the role of the lncRNA growth arrest-specific 5 (lncR-GAS5) in atherogenesis. We found that the enforced expression of lncR-GAS5 contributed to the development of atherosclerosis, which presented as increased plaque size and reduced collagen content. Moreover, impaired autophagy was observed, as shown by a decreased LC3II/LC3I protein ratio and an elevated P62 level in lncR-GAS5-overexpressing human aortic endothelial cells. By contrast, lncR-GAS5 knockdown promoted autophagy. Moreover, serine/arginine-rich splicing factor 10 (SRSF10) knockdown increased the LC3II/LC3I ratio and decreased the P62 level, thus enhancing the formation of autophagic vacuoles, autolysosomes, and autophagosomes. Mechanistically, lncR-GAS5 regulated the downstream splicing factor SRSF10 to impair autophagy in the endothelium, which was reversed by the knockdown of SRSF10. Further results revealed that overexpression of the lncR-GAS5-targeted gene miR-193-5p promoted autophagy and autophagic vacuole accumulation by repressing its direct target gene, SRSF10. Notably, miR-193-5p overexpression decreased plaque size and increased collagen content. Altogether, these findings demonstrate that lncR-GAS5 partially contributes to atherogenesis and plaque instability by impairing endothelial autophagy. In conclusion, lncR-GAS5 overexpression arrested endothelial autophagy through the miR-193-5p/SRSF10 signaling pathway. Thus, miR-193-5p/SRSF10 may serve as a novel treatment target for atherosclerosis.

关键词： lncR-GAS5     miR-193-5p     splicing factor SRSF10     autophagy     atherogenesis    

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Current hepatitis B treatment guidelines and future research directions

null

《医学前沿（英文）》 2014年 第8卷 第2期   页码 145-157 doi: 10.1007/s11684-014-0335-1

摘要：

Hepatitis B virus (HBV) infection causes a tremendous clinical burden across the world with more than half a million people dying annually from HBV related disease. Significant advances have been made in HBV treatment in the past decade and several guidelines have been published by professional societies and expert panels. Although these recommendations have been valuable to help optimize HBV treatment, there is discordance in treatment criteria and many patients infected with HBV may fall outside of these recommendations. This paper systematically reviews the natural history of the disease and compares and contrasts the recommendations for initiation of treatment from the various societies. There is also discussion of special groups that require particular consideration and some of the open research questions and future research directions within the field.

关键词： chronic hepatitis B     HBV treatment guidelines     APASL guidelines     EASL guidelines     AASLD guidelines    

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Clinical characteristics and risk factors of COVID-19 patients with chronic hepatitis B: a multi-center

《医学前沿（英文）》 2022年 第16卷 第1期   页码 111-125 doi: 10.1007/s11684-021-0854-5

摘要： The coronavirus disease 2019 (COVID-19) has spread globally. Although mixed liver impairment has been reported in COVID-19 patients, the association of liver injury caused by specific subtype especially chronic hepatitis B (CHB) with COVID-19 has not been elucidated. In this multi-center, retrospective, and observational cohort study, 109 CHB and 327 non-CHB patients with COVID-19 were propensity score matched at an approximate ratio of 3:1 on the basis of age, sex, and comorbidities. Demographic characteristics, laboratory examinations, disease severity, and clinical outcomes were compared. Furthermore, univariable and multivariable logistic and Cox regression models were used to explore the risk factors for disease severity and mortality, respectively. A higher proportion of CHB patients (30 of 109 (27.52%)) developed into severe status than non-CHB patients (17 of 327 (5.20%)). In addition to previously reported liver impairment markers, such as alanine aminotransferase, aspartate aminotransferase, alkaline phosphatase, and total bilirubin, we identified several novel risk factors including elevated lactate dehydrogenase (≥245 U/L, hazard ratio (HR) = 8.639, 95% confidence interval (CI) = 2.528–29.523; P <0.001) and coagulation-related biomarker D-dimer (≥0.5 μg/mL, HR= 4.321, 95% CI= 1.443–12.939; P = 0.009) and decreased albumin (<35 g/L, HR= 0.131, 95% CI= 0.048–0.361; P <0.001) and albumin/globulin ratio (<1.5, HR= 0.123, 95% CI= 0.017–0.918; P = 0.041). In conclusion, COVID-19 patients with CHB were more likely to develop into severe illness and die. The risk factors that we identified may be helpful for early clinical surveillance of critical progression.

关键词： COVID-19     chronic hepatitis B     liver injury     coagulation dysfunction    

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Vaccine therapies for chronic hepatitis B: can we go further?

null

《医学前沿（英文）》 2014年 第8卷 第1期   页码 17-23 doi: 10.1007/s11684-014-0313-7

摘要：

Chronic hepatitis B is a major health burden worldwide. In addition to the recent progress in antiviral treatment, therapeutic vaccination is a promising new strategy for the control of chronic hepatitis B. On the basis of the major specific and non-specific immune dysregulations and defects in chronic hepatitis B patients, this paper presents the peptide and protein-based, DNA-based, cell-based, and antigen-antibody-based therapeutic vaccines, which have undergone clinical trials. The advantages, disadvantages, and future perspectives for these therapeutic vaccines are discussed.

关键词： chronic hepatitis B     therapeutic     antigen-antibody complexes     DNA     vaccine    

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Chronic hepatitis B virus infection: epidemiology, prevention, and treatment in China

null

《医学前沿（英文）》 2014年 第8卷 第2期   页码 135-144 doi: 10.1007/s11684-014-0331-5

摘要：

Chronic hepatitis B is a major health problem in China. The universal vaccination program since 1992 has changed the epidemiology of hepatitis B virus infection in China from highly to moderately endemic. The most prevalent hepatitis B virus strains in China are genotypes B and C, whereas those in western provinces are genotypes D and C/D hybrid. Chronic hepatitis B poses a heavy burden to the society in China. Different treatment strategies have been explored to improve patient outcomes in a cost-effective manner. However, antiviral drugs with a low genetic barrier to resistance are still extensively used because of the generally low income and limited resources in China. Individualized antiviral therapy is closely associated with translational medicine, which utilizes information from studies on genomics, immune biomarkers, and fibrosis. The results of these studies are crucial in further improving treatment outcomes.

关键词： chronic hepatitis B     epidemiology     prevention     treatment    

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基于PFM的B级钢侧架耐久性分析

李伟,李强,王平

《中国工程科学》 2011年 第13卷 第1期   页码 56-61

摘要：

基于概率断裂力学对B级钢货车侧架的圆角细节进行了模拟耐久性试验研究，提出了一种新的通用当量初始缺陷尺寸分布的计算方法，建立了裂纹超越概率模型

关键词： 耐久性     疲劳     B级钢     裂纹    

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标题 作者 时间 类型 操作

MicroRNA-148b promotes proliferation of hair follicle cells by targeting

Wanbao YANG,Qinqun LI,Bo SU,Mei YU

期刊论文

The microRNA, miR-29c, participates in muscle development through targeting the

Weiya ZHANG,Wei WEI,Yuanyuan ZHAO,Shuhong ZHAO,Xinyun LI

期刊论文

Effects of miR-200c on the migration and invasion abilities of human prostate cancer Du145 cells and

null

期刊论文

hsa-miR-197在子宫肌瘤中的表达及生物信息学特征分析

徐青,付子毅,吴小莉,皇甫玉爽,凌静

期刊论文

Overexpressed miR-9 promotes tumor metastasis via targeting E-cadherin in serous ovarian cancer

null

期刊论文

-Derived miR162a Functions on Osteoporosis Through Directly Promoting Osteoblast Formation

Chunyan Gu,Xichao Yu,Xiaozhu Tang,Leilei Gong,Jingquan Tan,Yuanjiao Zhang,Huili Zheng,Ze Wang,Chenqian Zhang,Yejin Zhu,Zuojian Zhou,Heming Yu,Kai Xu,Jinao Duan,Xiaosong Gu,Ye Yang,

期刊论文

Correlation between serum miR-154-5p and urinary albumin excretion rates in patients with type 2 diabetes

Huiwen Ren, Can Wu, Ying Shao, Shuang Liu, Yang Zhou, Qiuyue Wang

期刊论文

Long noncoding RNA LOC646029 functions as a ceRNA to suppress ovarian cancer progression through the miR

期刊论文

ovarian tumors to safely and successfully become pregnant---a Chinese retrospective cohort study among 148

Bin Yang, Yan Yu, Jing Chen, Yan Zhang, Ye Yin, Nan Yu, Ge Chen, Shifei Zhu, Haiyan Huang, Yongqun Yuan, Jihui Ai, Xinyu Wang, Kezhen Li

期刊论文

lncR-GAS5 upregulates the splicing factor to impair endothelial autophagy, leading to atherogenesis

期刊论文

Current hepatitis B treatment guidelines and future research directions

null

期刊论文

Clinical characteristics and risk factors of COVID-19 patients with chronic hepatitis B: a multi-center

期刊论文

Vaccine therapies for chronic hepatitis B: can we go further?

null

期刊论文

Chronic hepatitis B virus infection: epidemiology, prevention, and treatment in China

null

期刊论文

基于PFM的B级钢侧架耐久性分析

李伟,李强,王平

期刊论文