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A brief review of microRNA and its role in PRRSV infection and replication

Xuekun GUO,Wenhai FENG

Frontiers of Agricultural Science and Engineering 2014, Volume 1, Issue 2,   Pages 114-120 doi: 10.15302/J-FASE-2014022

Abstract: Porcine reproductive and respiratory syndrome virus (PRRSV), a single-stranded RNA virus, mainly infects cells of monocyte/macrophage lineage. Recently, host microRNAs were shown to be capable of modulating PRRSV infection and replication by multiple ways such as targeting viral genomic RNA, targeting viral receptor and inducing antiviral response. MicroRNAs are small RNAs and have emerged as important regulators of virus-host cell interactions. In this review, we discuss the identified functions of host microRNAs in relation to PRRSV infection and propose that cellular microRNAs may have a substantial effect on cell or tissue tropism of PRRSV.

Keywords： porcine reproductive and respiratory syndrome virus (PRRSV)     microRNA     antiviral     viral tropism    

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

Wanbao YANG,Qinqun LI,Bo SU,Mei YU

Frontiers of Agricultural Science and Engineering 2016, Volume 3, Issue 1,   Pages 72-80 doi: 10.15302/J-FASE-2016089

Abstract: 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.

Keywords： miR-148b     hair follicle     proliferation     NFAT5     Wnt10b    

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MicroRNA-142-3p and microRNA-142-5p are downregulated in hepatocellular carcinoma and exhibit synergistic

Felice Ho-Ching Tsang,Sandy Leung-Kuen Au,Lai Wei,Dorothy Ngo-Yin Fan,Joyce Man-Fong Lee,Carmen Chak-Lui Wong,Irene Oi-Lin Ng,Chun-Ming Wong

Frontiers of Medicine 2015, Volume 9, Issue 3,   Pages 331-343 doi: 10.1007/s11684-015-0409-8

Abstract:

MicroRNAs (miRNAs), an important class of small non-coding RNAs, regulate gene expression at the post-transcriptional level. miRNAs are involved in a wide range of biological processes and implicated in different diseases, including cancers. In this study, miRNA profiling and qRT-PCR validation revealed that miR-142-3p and miR-142-5p were significantly downregulated in hepatocellular carcinoma (HCC) and their expression levels decreased as the disease progressed. The ectopic expression of miR-142 significantly reduced HCC cell migration and invasion. Overexpression of either miR-142-3p or miR-142-5p suppressed HCC cell migration, and overexpression of both synergistically inhibited cell migration, which indicated that miR-142-3p and miR-142-5p may cooperatively regulate cell movement. miR-142-3p and miR-142-5p, which are mature miRNAs derived from the 3′- and 5′-strands of the precursor miR-142, target distinct pools of genes because of their different seed sequences. Pathway enrichment analysis showed a strong association of the putative gene targets of miR-142-3p and miR-142-5p with several cell motility-associated pathways, including those regulating actin cytoskeleton, adherens junctions, and focal adhesion. Importantly, a number of the putative gene targets were also significantly upregulated in human HCC cells. Moreover, overexpression of miR-142 significantly abrogated stress fiber formation in HCC cells and led to cell shrinkage. This study shows that mature miR-142 pairs collaboratively regulate different components of distinct signaling cascades and therefore affects the motility of HCC cells.

Keywords： hepatocellular carcinoma     microRNA     metastasis     cytoskeletal reorganization    

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MicroRNAs and hepatitis viruses

Gang LI MD , Xiaojia XIONG MM ,

Frontiers of Medicine 2009, Volume 3, Issue 3,   Pages 265-270 doi: 10.1007/s11684-009-0055-0

Abstract: MicroRNAs (miRNAs) are a class of small RNA molecules. They play a pivotal role in diverse domains such as infection, tumorigenesis, and immune reaction. As key regulators of most genes’ expression, they react at posttranscriptional level. It is increasingly clear that miRNAs are necessary for physiological and pathological processes. In the past few years, investigators gradually brought the concept of miRNA into studies of viral infection, including hepatitis viruses. The hepatitis B and C viruses are common causes of liver disease worldwide. It is very difficult to cure chronic hepatitis due to drug resistance during antivirus therapy. Elucidating the mechanisms of virus-host interactions in hepatitis B and C is very important in diagnosis, prognosis, and therapy. This article reviews the current knowledge of viral hepatitis (B and C type) at the level of miRNA and tries to outline areas of potential studies.

Keywords： microRNA     hepatitis B virus     hepatitis C virus    

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The role of microRNAs in adipocyte differentiation

Rong Zhang, Di Wang, Zhuying Xia, Chao Chen, Peng Cheng, Hui Xie, Xianghang Luo

Frontiers of Medicine 2013, Volume 7, Issue 2,   Pages 223-230 doi: 10.1007/s11684-013-0252-8

Abstract:

Adipocytes differentiate from mesenchymal stem cells (MSCs) in a process known as adipogenesis. The programme of adipogenesis is regulated by the sequential activation of transcription factors and several signaling pathways. There is growing evidence indicating that a class of small non-coding single-stranded RNAs known as “microRNAs (miRNAs)” also are involved in this process. In this review, we summarize the biology and functional mechanisms of miRNAs in adipocyte differentiation. In addition, we further discuss the miRNAs profiling, the miRNAs function and miRNAs target prediction in the adipogenesis.

Keywords： microRNA     adipocyte     differentiation     adipogenesis    

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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

Frontiers of Agricultural Science and Engineering 2015, Volume 2, Issue 4,   Pages 311-317 doi: 10.15302/J-FASE-2015075

Abstract: 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.

Keywords： pig     miR-29c     skeletal muscle     expression     SNP    

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Circulating microRNAs in cardiovascular diseases: from biomarkers to therapeutic targets

Feng Wang,Chen Chen,Daowen Wang

Frontiers of Medicine 2014, Volume 8, Issue 4,   Pages 404-418 doi: 10.1007/s11684-014-0379-2

Abstract:

microRNAs (miRNAs) are a class of conserved, short, non-coding RNAs that have important and potent capacities to regulate gene expression at the posttranscriptional level. In the past several years, the aberrant expressions of miRNAs in the cardiovascular system have been widely reported, and the crucial roles of some special miRNAs in heart development and pathophysiology of various cardiovascular diseases have been gradually recognized. Recently, it was discovered that miRNAs are presented in peripheral circulation abundantly and stably. This has raised the possibility of using circulating miRNAs as biomarkers for diseases. Furthermore, some studies demonstrated that circulating miRNAs may serve as novel extracellular communicators of cell-cell communication. These discoveries not only reveal the functions of circulating miRNAs in cardiovascular system but also inform the development of miRNAs therapeutic strategies. In this review, we discuss the potential roles of circulating miRNAs in a variety of cardiovascular diseases from biomarkers to therapeutic targets to clearly understand the roles of circulating miRNAs in cardiovascular system.

Keywords： microRNA     cardiovascular disease     biomarkers     therapeutic target    

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U-shaped microRNA expression pattern could be a new concept biomarker for environmental estrogen

Rui Duan, Yun Lu, Lingyan Hou, Lina Du, Lequn Sun, Xingfan Tang

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 6, doi: 10.1007/s11783-016-0880-8

Abstract: Estrogen regulates miRNA expression in a typical U-shaped dose-response pattern. E2 can regulate in the ventral prostate. Mouse ventral prostate is most sensitive to estrogen. Nonmonotonic dose-response in prostate could be a component of estrogen signature. Many studies have focused on environmental estrogen-related diseases. However, no consistent gene markers or signatures for estrogenicity have been discovered in mammals. This study investigated the estrogenic effects of 17β-estradiol on the prostate in immature male mice. Consistent U-shaped responses were seen in bodyweight, ventral prostate epithelial morphology, and miRNA expression levels. Specifically, most estradiol regulated miRNAs were downregulated at low doses of estradiol (0.2 and 2 mg·kg ), and whose expression returned to the control level at a larger dose (200 mg·kg ). The function of these regulated miRNAs is related to the prostate cancer and PI3K-Akt signaling pathways, which is consistent with the function of estradiol. Furthermore, the miRNA-processing machinery, Drosha, in the prostate was also regulated in a similar pattern, which could be a part of the U-shaped miRNA expression mechanism. All of these data indicate that the prostate is a reliable organ for evaluating estrogenic activity and that the typical nonmonotonic dose-response relationship could be used as a novel biomarker for estrogenicity.

Keywords： miRNA     Prostate     Estradiol     Nonmonotonic dose-response     Estrogenicity     Drosha    

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MicroRNAs and lung cancers: from pathogenesis to clinical implications

Ji Qi, David Mu

Frontiers of Medicine 2012, Volume 6, Issue 2,   Pages 134-155 doi: 10.1007/s11684-012-0188-4

Abstract: also touch on the value of microRNAs as markers for diagnosis, prognosis and the promising field of microRNA-based

Keywords： lung biology     lung cancer     microRNA    

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Caveolin proteins: a molecular insight into disease

Hongli Yin,Tianyi Liu,Ying Zhang,Baofeng Yang

Frontiers of Medicine 2016, Volume 10, Issue 4,   Pages 397-404 doi: 10.1007/s11684-016-0483-6

Abstract:

Caveolae are a kind of specific cystic structures of lipid rafts in the cytoplasmic membrane and are rich in cholesterol and sphingolipids. In recent years, many researchers have found that both caveolins and caveolae play a role in the development of various human diseases, including coronary heart disease, hypertension, and nervous system disorders. The specific mechanisms by which caveolins induce diseases have been a topic of interest. However, a number of detailed molecular mechanisms remain poorly understood. This article focuses on the relationship between caveolin proteins and human diseases and reviews the molecular mechanisms of caveolins in disease networks.

Keywords： caveolin     caveolae     microRNA     disease     signaling pathway     heart     tumor    

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Cold stress responsive microRNAs and their targets in

Jingyi WANG,Juhua LIU,Caihong JIA,Hongxia MIAO,Jianbin ZHANG,Zhuo WANG,Biyu XU,Zhiqiang JIN

Frontiers of Agricultural Science and Engineering 2016, Volume 3, Issue 4,   Pages 335-345 doi: 10.15302/J-FASE-2016121

Abstract: Cold stress is an environmental factor affecting plant development and production. Recently, microRNAs (miRNAs) have been found to be involved in several plant processes such as growth regulation and stress responses. Although miRNAs and their targets have been identified in several banana species, their participation during cold accumulation in banana remains unknown. In this study, two small RNA libraries were generated from micropropagated plantlets of grown at normal and low temperature (5°C). A total of 69 known miRNAs and 32 putative novel miRNAs were detected in the libraries by Solexa sequencing. Sixty-four cold-inducible miRNAs were identified through differentially expressed miRNAs analysis. Among 43 miRNAs belonging to 26 conserved miRNA families with altered expression, 18 were upregulated and 25 downregulated under cold stress. Of 21 putative novel miRNAs with altered expression, four were downregulated and 17 upregulated. Furthermore, eight miRNAs were validated by stem-loop qRT-PCR and their dynamic differential expression was analyzed. In addition, 393 target genes of 58 identified cold-responsive miRNAs were predicted and categorized by function. These results provide important information for further characterization and functional analysis of cold-responsive miRNAs in banana.

Keywords： cold stress     microRNA     Musa balbisiana    

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Long noncoding RNA LOC646029 functions as a ceRNA to suppress ovarian cancer progression through the miR-627-3p/SPRED1 axis

Frontiers of Medicine doi: 10.1007/s11684-023-1004-z

Abstract: 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.

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

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MiRNA-451 is a potential biomarker for estrogenicity in mouse uterus

Lingyan HOU, Yun LU, Ying LI, Li LI

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 1,   Pages 99-105 doi: 10.1007/s11783-013-0490-7

Abstract: MicroRNA (miRNA) is a class of regulatory gene, which has been shown to be a good biomarker for many

Keywords： estrogen     microRNA (miRNA)     microarray     biomarker    

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Noncoding RNAs and Their Potential Therapeutic Applications in Tissue Engineering

Shiying Li, Tianmei Qian, Xinghui Wang, Jie Liu, Xiaosong Gu

Engineering 2017, Volume 3, Issue 1,   Pages 3-15 doi: 10.1016/J.ENG.2017.01.005

Abstract:

Tissue engineering is a relatively new but rapidly developing field in the medical sciences. Noncoding RNAs (ncRNAs) are functional RNA molecules without a protein-coding function; they can regulate cellular behavior and change the biological milieu of the tissue. The application of ncRNAs in tissue engineering is starting to attract increasing attention as a means of resolving a large number of unmet healthcare needs, although ncRNA-based approaches have not yet entered clinical practice. In-depth research on the regulation and delivery of ncRNAs may improve their application in tissue engineering. The aim of this review is: to outline essential ncRNAs that are related to tissue engineering for the repair and regeneration of nerve, skin, liver, vascular system, and muscle tissue; to discuss their regulation and delivery; and to anticipate their potential therapeutic applications.

Keywords： Tissue engineering     Noncoding RNAs     MicroRNAs     Nerve     Skin     Liver     Vascular system     Muscle    

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Identification of differentially expressed miRNAs associated with chronic kidney disease–mineral bone disorder

Kyung Im Kim, Sohyun Jeong, Nayoung Han, Jung Mi Oh, Kook-Hwan Oh, In-Wha Kim

Frontiers of Medicine 2017, Volume 11, Issue 3,   Pages 378-385 doi: 10.1007/s11684-017-0541-8

Abstract: meta-signature of differentially expressed mRNA in chronic kidney disease (CKD) to predict putative microRNAmiRNA expression profiles were inferred, and computational analyses were performed with the imputed microRNAregulation based on weighted ranked expression and putative microRNA targets (IMRE) method to identify

Keywords： chronic kidney disease     microRNA     mineral bone disorder     uremia    

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Title Author Date Type Operation

A brief review of microRNA and its role in PRRSV infection and replication

Xuekun GUO,Wenhai FENG

Journal Article

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

Wanbao YANG,Qinqun LI,Bo SU,Mei YU

Journal Article

MicroRNA-142-3p and microRNA-142-5p are downregulated in hepatocellular carcinoma and exhibit synergistic

Felice Ho-Ching Tsang,Sandy Leung-Kuen Au,Lai Wei,Dorothy Ngo-Yin Fan,Joyce Man-Fong Lee,Carmen Chak-Lui Wong,Irene Oi-Lin Ng,Chun-Ming Wong

Journal Article

MicroRNAs and hepatitis viruses

Gang LI MD , Xiaojia XIONG MM ,

Journal Article

The role of microRNAs in adipocyte differentiation

Rong Zhang, Di Wang, Zhuying Xia, Chao Chen, Peng Cheng, Hui Xie, Xianghang Luo

Journal Article

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

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

Journal Article

Circulating microRNAs in cardiovascular diseases: from biomarkers to therapeutic targets

Feng Wang,Chen Chen,Daowen Wang

Journal Article

U-shaped microRNA expression pattern could be a new concept biomarker for environmental estrogen

Rui Duan, Yun Lu, Lingyan Hou, Lina Du, Lequn Sun, Xingfan Tang

Journal Article

MicroRNAs and lung cancers: from pathogenesis to clinical implications

Ji Qi, David Mu

Journal Article

Caveolin proteins: a molecular insight into disease

Hongli Yin,Tianyi Liu,Ying Zhang,Baofeng Yang

Journal Article

Cold stress responsive microRNAs and their targets in

Jingyi WANG,Juhua LIU,Caihong JIA,Hongxia MIAO,Jianbin ZHANG,Zhuo WANG,Biyu XU,Zhiqiang JIN

Journal Article

Long noncoding RNA LOC646029 functions as a ceRNA to suppress ovarian cancer progression through the miR-627-3p/SPRED1 axis

Journal Article

MiRNA-451 is a potential biomarker for estrogenicity in mouse uterus

Lingyan HOU, Yun LU, Ying LI, Li LI

Journal Article

Noncoding RNAs and Their Potential Therapeutic Applications in Tissue Engineering

Shiying Li, Tianmei Qian, Xinghui Wang, Jie Liu, Xiaosong Gu

Journal Article

Identification of differentially expressed miRNAs associated with chronic kidney disease–mineral bone disorder

Kyung Im Kim, Sohyun Jeong, Nayoung Han, Jung Mi Oh, Kook-Hwan Oh, In-Wha Kim

Journal Article