Description Usage Arguments Details Value Author(s) References Examples
This method performs aggregation of target lists from multiple
sources. Aggregated list is more accurate than any list from a single
source. Multiple aggregation methods are available.Direct target data from
five sources for Human and Mouse is supplied through miRNAtap.db
package, for Rat targets are derived through homology translations whenever
direct ones are not available.
1 2 3 |
mirna |
miRNA in a standard format |
sources |
a list of sources to use for aggregation,
default is all five sources, i.e.
|
species |
species in a standard three-letter acronym, |
min_src |
minimum number of sources required for a target to be considered, default 2 |
method |
method of aggregation - choose from |
promote |
add weights to improve accuracy of the method, default TRUE |
synonyms |
when searching for -3p miRNA automatically also searches for miRNA with the same name but ending with * (some databases list -3p miRNA this way) and other way around, similarly for -5p miRNA, default TRUE |
both_strands |
overrides |
... |
any optional arguments |
Tuning min_src
parameter is an easy way of prioritising
precision at the top of the list (high values) or total recall (low values).
For the five default input sources, recommended values are 2, 3, or 4.
data.frame
object where row names are entrez IDs of target
genes, ranks from individual sources and aggregated rank are shown
in columns.
If no targets are found in any of the sources NULL
and a warning
are returned.
Maciej Pajak m.pajak@sms.ed.ac.uk
Agarwal V, Bell GW, Nam J, Bartel DP. Predicting effective microRNA target sites in mammalian mRNAs. eLife, 4:e05005, (2015).
Griffiths-Jones, S., Saini, H. K., van Dongen, S., and Enright, A. J. (2008). miRBase: tools for microRNA genomics. Nucleic acids research, 36(Database issue):D154-8.
Lall, S., Grun, D., Krek, A., Chen, K., Wang, Y.-L., Dewey, C. N., ... Rajewsky, N. (2006). A genome-wide map of conserved microRNA targets in C. elegans. Current biology : CB, 16(5):460-71.
Paraskevopoulou MD, Georgakilas G, Kostoulas N, Vlachos IS, Vergoulis T, Reczko M, Filippidis C, Dalamagas T, Hatzigeorgiou AG., "DIANA-microT web server v5.0: service integration into miRNA functional analysis workflows.", Nucleic Acids Res. 2013 Jul;41(Web Server issue):W169-73.
Wong N and Wang X (2015) miRDB: an online resource for microRNA target prediction and functional annotations. Nucleic Acids Research. 43(D1):D146-152.
1 2 3 4 | targets <- getPredictedTargets('let-7a',species='hsa', method = 'min')
head(targets) #top of the list with minimum aggregation
targets2 <- getPredictedTargets('let-7a',species='hsa', method='geom')
head(targets2) #top of the list with geometric mean aggregation
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