exRNAdisease

Entry Detail

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General Information

Database ID: exR0275027 RNA Name: hsa-miR-620 RNA Type: miRNA Chromosome: chr12 Starnd: - Coordinate: Start Site(bp): 116148575 End Site(bp): 116148594 External Links: hsa-miR-620

Disease Information

Disease Name: Breast Cancer Disease Category: Cancers MeSH ID: D001943 Type: Neoplasms/Breast Neoplasms Alias: Breast Neoplasms//Breast Neoplasm//Neoplasm, Breast//Breast Tumors//Breast Tumor//Tumor, Breast//Tumors, Breast//Neoplasms, Breast//Breast Cancer//Cancer, Breast//Mammary Cancer//Cancer, Mammary//Cancers, Mammary//Mammary Cancers//Malignant Neoplasm of Breast//Breast Malignant Neoplasm//Breast Malignant Neoplasms//Malignant Tumor of Breast//Breast Malignant Tumor//Breast Malignant Tumors//Cancer of Breast//Cancer of the Breast//Mammary Carcinoma, Human//Carcinoma, Human Mammary//Carcinomas, Human Mammary//Human Mammary Carcinomas//Mammary Carcinomas, Human//Human Mammary Carcinoma//Mammary Neoplasms, Human//Human Mammary Neoplasm//Human Mammary Neoplasms//Neoplasm, Human Mammary//Neoplasms, Human Mammary//Mammary Neoplasm, Human//Breast Carcinoma//Breast Carcinomas//Carcinoma, Breast//Carcinomas, Breast

Expression Detail

GEO ID: GSE22981 Description: Circulating miRNAs as biomarkers and potential functional mediators of early stage breast cancer Experimental Design: Cancer vs Control Case Disease Type: Breast Cancer Case Disease SubType: Early satge breast cancer Case Sample: Breast Cancer Control Sample: Control Number of Case: 20 Number of Control: 20 Number of Samples: 40

Regulatory Relationship

mRNA targets: Gene Symbol Chromosome Start Site(bp) End Site(bp) Strand BACH1 chr21 29194071 29630751 + CDC37 chr19 10391133 10420121 - CTDSP2 chr12 57819927 57846729 - FAM13B chr5 137937960 138051961 - IGFBP4 chr17 40443450 40457725 + IRF2BP2 chr1 234604269 234609525 - PATL1 chr11 59636716 59669037 - PCDH10 chr4 133149294 133208606 + RCC2 chr1 17406760 17439677 - SLC29A1 chr6 44219553 44234142 + ZNF587 chr19 57849859 57865117 + miRNA targets: NA circRNA targets: circRNA Symbol Chromosome Start Site(bp) End Site(bp) Strand hsa_circ_0001247 chr22 46125304 46136418 + hsa_circ_0001159 chr20 40161688 40179999 - hsa_circ_0000471 chr13 33091993 33101669 - hsa_circ_0001666 chr6 170626457 170639638 + lncRNA targets: lncRNA Symbol Chromosome Start Site(bp) End Site(bp) Strand AC239868.1 chr1 149861271 149862504 + AC245033.4 chr15 82533175 82540008 - AP000233.2 chr21 25095022 25103670 + MALAT1 chr11 65497688 65506516 + NEAT1 chr11 65422774 65445540 + NORAD chr20 36045618 36051018 - NR2F2-AS1 chr15 96110040 96327361 - OIP5-AS1 chr15 41283990 41309737 + SNHG12 chr1 28578538 28583132 - SNHG8 chr4 118278709 118285316 + XIST chrX 73820649 73852723 - Display:

Experiment Detail

GEO ID: GSE22981 Sample Source: Blood Source Fraction: Plasma Platform: GPL8179 Method: Microarray Num of detected RNA Type: 1 Num of detected RNAs of this Type: 801 Sample treatment protocol: NA RNA Extract protocol: Total RNA, including miRNA from plasma, was isolated using the miRNeasy kit (Qiagen) with minor modifications. RNA library preparation protocol: Two hundred ng of total RNA from each sample were labeled and hybridized on Human v2 MicroRNA Expression BeadChips (Cat. no. MI-102-1024; Illumina).

Reference

PMID: 21060830 Title: A pilot study of circulating miRNAs as potential biomarkers of early stage breast cancer Author: Zhao H, Shen J, Medico L, Wang D, Ambrosone CB, Liu SBACKGROUND: To date, there are no highly sensitive and specific minimally invasive biomarkers for detection of breast cancer at an early stage. The occurrence of circulating microRNAs (miRNAs) in blood components (including serum and plasma) has been repeatedly observed in cancer patients as well as healthy controls. Because of the significance of miRNA in carcinogenesis, circulating miRNAs in blood may be unique biomarkers for early and minimally invasive diagnosis of human cancers. The objective of this pilot study was to discover a panel of circulating miRNAs as potential novel breast cancer biomarkers. METHODOLOGY/PRINCIPAL FINDINGS: Using microarray-based expression profiling followed by Real-Time quantitative Polymerase Cycle Reaction (RT-qPCR) validation, we compared the levels of circulating miRNAs in plasma samples from 20 women with early stage breast cancer (10 Caucasian American (CA) and 10 African American (AA)) and 20 matched healthy controls (10 CAs and 10 AAs). Using the significance level of p<0.05 constrained by at least two-fold expression change as selection criteria, we found that 31 miRNAs were differentially expressed in CA study subjects (17 up and 14 down) and 18 miRNAs were differentially expressed in AA study subjects (9 up and 9 down). Interestingly, only 2 differentially expressed miRNAs overlapped between CA and AA study subjects. Using receiver operational curve (ROC) analysis, we show that not only up-regulated but also down-regulated miRNAs can discriminate patients with breast cancer from healthy controls with reasonable sensitivity and specificity. To further explore the potential roles of these circulating miRNAs in breast carcinogenesis, we applied pathway-based bioinformatics exploratory analysis and predicted a number of significantly enriched pathways which are predicted to be regulated by these circulating miRNAs, most of which are involved in critical cell functions, cancer development and progression. CONCLUSIONS: Our observations from this pilot study suggest that the altered levels of circulating miRNAs might have great potential to serve as novel, noninvasive biomarkers for early detection of breast cancer. Journal: PLoS One. 2010 Oct 29;5(10):e13735. Description: The objective of this pilot study was to discover a panel of circulating miRNAs as potential novel breast cancer biomarkers.