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The miRNA Enrichment Analysis and Annotation Tool (miEAA) is a service provided by the Chair for Clinical Bioinformatics at Saarland University. Basically, miEAA is a multi-species microRNA enrichment analysis tool. For more information, see their website or published paper.
Before Performing enrichment analysis on a miRNA set, note that based on your input miRNA type (either all mature or precursor, not a mixture of both!) and the species, there will be different sets of supported enrichment categories.
Thus, it is recommended to retrieve a list of possible enrichment categories that you may use:
## A list of available enrichment categories for:
## mature human miRNA:
rba_mieaa_cats(mirna_type = "mature", species = 9606)
## precursor human miRNA
rba_mieaa_cats(mirna_type = "precursor", species = 9606)
## precursor zebrafish miRNA
rba_mieaa_cats(mirna_type = "mature", species = "Danio rerio")There are two approaches to do this, we will start with the simpler one.
Just fill the arguments of rba_mieaa_enrich() according
to the function’s manual; As you can see in the function’s arguments,
you have a lot of controls over your enrichment request, but you need to
provide test_set, mirna_type,
test_type, and species:
## 1 We create a variable with our miRNAs' mature IDs
mirs <- c("hsa-miR-20b-5p", "hsa-miR-144-5p", "hsa-miR-17-5p", "hsa-miR-20a-5p",
"hsa-miR-222-3p", "hsa-miR-106a-5p", "hsa-miR-93-5p", "hsa-miR-126-3p",
"hsa-miR-363-3p", "hsa-miR-302c-3p", "hsa-miR-374b-5p", "hsa-miR-18a-5p",
"hsa-miR-548d-3p", "hsa-miR-135a-3p", "hsa-miR-558", "hsa-miR-130b-5p",
"hsa-miR-148a-3p")
## 2a We can perform enrichment analysis on our miRNA set without limiting the analysis to any categories
mieaa_all <- rba_mieaa_enrich(test_set = mirs,
mirna_type = "mature",
test_type = "ORA",
species = 9606)
#> -- Step 1/3: Submitting Enrichment analysis request:
#> No categories were supplied, Requesting enrichment using all of the 32 available categories for species 'Homo sapiens'.
#> Submitting ORA enrichment request for 17 miRNA IDs of species Homo sapiens to miEAA servers.
#>
#> -- Step 2/3: Checking for Submitted enrichment analysis's status every 5 seconds.
#> Your submitted job ID is: 45d6f2a9-c5d9-4ceb-bc74-3048588fa265
#> ......
#>
#> -- Step 3/3: Retrieving the results.
#> Retrieving results of submitted enrichment request with ID: 45d6f2a9-c5d9-4ceb-bc74-3048588fa265
## 2b Or, We can limit the enrichment to certain datasets (enrichment categories)
mieaa_kegg <- rba_mieaa_enrich(test_set = mirs,
mirna_type = "mature",
test_type = "ORA",
species = 9606,
categories = "KEGG_mature"
)
#> -- Step 1/3: Submitting Enrichment analysis request:
#> Submitting ORA enrichment request for 17 miRNA IDs of species Homo sapiens to miEAA servers.
#>
#> -- Step 2/3: Checking for Submitted enrichment analysis's status every 5 seconds.
#> Your submitted job ID is: d6295e00-a15a-4e57-8ca4-08e2856a0036
#> .
#>
#> -- Step 3/3: Retrieving the results.
#> Retrieving results of submitted enrichment request with ID: d6295e00-a15a-4e57-8ca4-08e2856a0036As stated before, rba_mieaa_enrich() is a wrapper
function, meaning that it executes the following sequence of
functions:
## 1 Submit enrichment request to miEAA
request <- rba_mieaa_enrich_submit(test_set = mirs,
mirna_type = "mature",
test_type = "ORA",
species = 9606,
categories = c("miRWalk_Diseases_mature",
"miRWalk_Organs_mature")
)
## 2 check for job's running status
rba_mieaa_enrich_status(job_id = request$job_id)
## 3 If the job has completed, retrieve the results
results <- rba_mieaa_enrich_results(job_id = request$job_id)Please Note: Other services supported by rbioapi also provide Over-representation analysis tools. Please see the vignette article Do with rbioapi: Over-Representation (Enrichment) Analysis in R (link to the documentation site) for an in-depth review.
miEAA only recognizes miRBASE version 22 accessions. You can use
rba_mieaa_convert_version() to convert miRNA accession
between different miRBASE versions. Also, as stated before, miEAA
differentiate between precursor and mature miRNA accessions, to convert
between these 2 accession types, use
rba_mieaa_convert_type().
To cite miEAA (Please see https://ccb-compute2.cs.uni-saarland.de/mieaa2/):
To cite rbioapi:
#> R version 4.3.3 (2024-02-29 ucrt)
#> Platform: x86_64-w64-mingw32/x64 (64-bit)
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#> Matrix products: default
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#> [2] LC_CTYPE=English_United States.utf8
#> [3] LC_MONETARY=English_United States.utf8
#> [4] LC_NUMERIC=C
#> [5] LC_TIME=English_United States.utf8
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#> attached base packages:
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#> other attached packages:
#> [1] rbioapi_0.8.1
#>
#> loaded via a namespace (and not attached):
#> [1] digest_0.6.35 R6_2.5.1 fastmap_1.1.1 xfun_0.43
#> [5] magrittr_2.0.3 cachem_1.0.8 knitr_1.45 htmltools_0.5.8
#> [9] rmarkdown_2.26 lifecycle_1.0.4 DT_0.32 cli_3.6.2
#> [13] sass_0.4.9 jquerylib_0.1.4 compiler_4.3.3 httr_1.4.7
#> [17] rstudioapi_0.16.0 tools_4.3.3 curl_5.2.1 evaluate_0.23
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#> [25] jsonlite_1.8.8 crosstalk_1.2.1These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.
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