Biological pathways related to mirna-125a-5p in behavioral variant of frontotemporal dementia.
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The authors' code
R · 102 lines · 2.5 KB · no license
- ##Script for the construction of the gene and pathway network based on miRNA-125a-5p.
- # Load libraries
- library(tidyverse)
- library(readxl)
- library(tidygraph)
- library(ggraph
- #Read data
- dados <- read_excel("data/selected_pathways_genes.xlsx")
- #Function to extract genes
- extrair_genes <- function(df, col_genes, mirna_nome) {
- df %>%
- select(`Term Name`, all_of(col_genes)) %>%
- rename(genes = all_of(col_genes)) %>%
- mutate(genes = strsplit(genes, "\n")) %>%
- unnest(genes) %>%
- mutate(
- genes = trimws(genes),
- miRNA = mirna_nome
- ) %>%
- filter(genes != "")
- }
- #Extract genes for miRNA-125a-5p
- df_125a <- extrair_genes(dados, "Vias 125a-5p", "hsa-miR-125a-5p")
- #Identify genes present in multiple pathways
- genes_multiplas_vias <- df_125a %>%
- distinct(`Term Name`, genes) %>%
- group_by(genes) %>%
- summarise(n_vias = n(), .groups = "drop") %>%
- filter(n_vias > 1)
- #Filter network
- rede_filtrada <- df_125a %>%
- filter(genes %in% genes_multiplas_vias$genes)
- #Create edges → vias
- edges_mirna_via <- rede_filtrada %>%
- distinct(miRNA, `Term Name`) %>%
- rename(from = miRNA, to = `Term Name`)
- #Create edges → genes
- edges_via_gene <- rede_filtrada %>%
- distinct(`Term Name`, genes) %>%
- rename(from = `Term Name`, to = genes)
- #Combine edges
- edges <- bind_rows(edges_mirna_via, edges_via_gene)
- #Create graph
- g <- tbl_graph(edges = edges, directed = TRUE)
- g <- g %>%
- mutate(
- type = case_when(
- name == "hsa-miR-125a-5p" ~ "miRNA",
- name %in% rede_filtrada$genes ~ "Gene",
- TRUE ~ "Pathway"
- ),
- shape = case_when(
- type == "miRNA" ~ "square",
- type == "Gene" ~ "circle",
- type == "Pathway" ~ "rectangle"
- ),
- color = case_when(
- type == "miRNA" ~ "skyblue",
- type == "Gene" ~ "salmon",
- type == "Pathway" ~ "gold"
- )
- )
- #Plot network
- set.seed(125)
- ggraph(g, layout = "stress") +
- geom_edge_link(
- arrow = arrow(length = unit(3, 'mm')),
- end_cap = circle(3, 'mm'),
- edge_colour = "gray50",
- alpha = 0.6
- ) +
- geom_node_point(aes(color = color, shape = type), size = 5) +
- geom_node_text(aes(label = name), repel = TRUE, size = 3, color = "black") +
- scale_shape_manual(name = "Tipo",
- values = c("Gene" = 16, "Pathway" = 22, "miRNA" = 15)) +
- scale_color_identity(guide = "legend", name = "Tipo") +
- theme_void() +
- theme(legend.position = "right")
- #Save figure
- ggsave(
- filename = "figures/network_miR125a5p.tiff",
- plot = p,
- width = 16,
- height = 12,
- dpi = 600,
- device = "tiff",
- compression = "lzw"
network_miR125a5p.R at commit 6acf7b8, no license · at the source
Overview
- Faculdade de Farmácia, Universidade Federal de Minas Gerais,Belo Horizonte, Minas Gerais Brazil
- Faculdade de Medicina, Universidade Federal de Minas Gerais,Belo Horizonte, Minas Gerais Brazil
- Departamento de Análises Clínicas e Toxicológicas - Faculdade de Farmácia, Universidade Federal de Minas Gerais,Avenida Presidente Antônio Carlos, 6627 - Pampulha, Belo Horizonte, CEP: 31270-901 Minas Gerais Brasil
Abstract
Background: Frontotemporal dementia (FTD) comprises a group of neurodegenerative disorders that lead to progressive changes in language, behavior, personality, and movement. Accounting for approximately 60% of cases, the behavioral variant (bvFTD) represents the most common clinical presentation of FTD. MicroRNAs (miRNAs) are small non-coding RNAs involved in gene regulation and are expressed in various biological fluids. Considering bvFTD as an inflammatory disorder, this study investigated the expression of inflammation-related miRNAs in individuals with bvFTD compared with age- and sex-matched cognitively healthy controls.
Methods: Twenty patients with bvFTD and 20 cognitively healthy controls, matched for age and sex, were included in the study. Serum levels of miRNA-30c-5p and miRNA-125a-5p were analyzed.
Results: miRNA-125a-5p expression was upregulated in individuals with bvFTD compared with controls (fold change = 2.02). No significant differences between groups were observed for miRNA-30c-5p. An inverse correlation was identified between miRNA-125a-5p expression and age within the bvFTD group. Pathway enrichment analysis revealed that miRNA-125a-5p was significantly involved in the regulation of genes associated with insulin receptor signaling, SUMOylation, SUMO E3 ligase–mediated protein modification, SUMOylation of chromatin organization proteins, estrogen-dependent gene expression, extracellular exosome pathways, neuron migration, microtubule dynamics, and nervous system development.
Conclusions: These findings suggest that miRNA-125a-5p may play an important role in FTD-related biological pathways, underscoring its potential as a molecular marker in the pathophysiology of this disorder.
Supplementary Information: The online version contains supplementary material available at 10.1007/
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jessidpereira/Script-for-the-construction-of-the-gene-and-pathway-network-based-on-miRNA-125a-5p.
6acf7b818a46e7218e3b3c619ce2573dd7dc75ce, 20 December 2025Availability: 1 check, the latest on 27 September 2026: the link answers
- 27 September 2026: the link answers
2 files
- network_miR125a5p.R, R, 102 lines
- README.md, Text, 26 lines
Code availability
Reproduced under the paper's license (CC BY), from the paper cited above.
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Data availability
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Reproduced under the paper's license (CC BY), from the paper cited above.
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Version 2, 28 September 2026
- Publisher: n/a → Springer Nature
Version 1, 27 September 2026: the first record
Recorded: type, language, journal, volume, issue, pages, dates, 12 authors, 3 keywords, 10 MeSH terms, 1 funder, 53 references.
Cite
This paper
Pereira, J. D., Silva, L. M., Ozawa, M., Tosatti, J. A. G., Lima, S. P. O., Silva, I. R., Jeunon, V. R., das Graças Carvalho, M., de Paula França Resende, E., de Souza, L. C., Caramelli, P., & Gomes, K. B. (2026). Biological pathways related to mirna-125a-5p in behavioral variant of frontotemporal dementia. Molecular biology reports, 53(1), 877. https://
BibTeX
@article{pereira2026biol
author = {Pereira, Jessica Diniz and Silva, Leticia Moreira and Ozawa, Mhai and Tosatti, Jéssica Abdo Gonçalves and Lima, Stephanny Pinto Oliveira and Silva, Isabela Resende and Jeunon, Vinicius Ribeiro and das Graças Carvalho, Maria and de Paula França Resende, Elisa and de Souza, Leonardo Cruz and Caramelli, Paulo and Gomes, Karina Braga},
title = {{Biological pathways related to mirna-125a-5p in behavioral variant of frontotemporal dementia}},
journal = {Molecular biology reports},
year = {2026},
month = jun,
volume = {53},
number = {1},
pages = {877},
publisher = {Springer Nature},
issn = {0301-4851},
doi = {10.1007/
url = {https://
pmid = {42234230},
pmcid = {PMC13234057}
}
RIS
TY - JOUR
AU - Pereira, Jessica Diniz
AU - Silva, Leticia Moreira
AU - Ozawa, Mhai
AU - Tosatti, Jéssica Abdo Gonçalves
AU - Lima, Stephanny Pinto Oliveira
AU - Silva, Isabela Resende
AU - Jeunon, Vinicius Ribeiro
AU - das Graças Carvalho, Maria
AU - de Paula França Resende, Elisa
AU - de Souza, Leonardo Cruz
AU - Caramelli, Paulo
AU - Gomes, Karina Braga
TI - Biological pathways related to mirna-125a-5p in behavioral variant of frontotemporal dementia
T2 - Molecular biology reports
J2 - Mol Biol Rep
PY - 2026
DA - 2026/
VL - 53
IS - 1
SP - 877
SN - 0301-4851
PB - Springer Nature
DO - 10.1007/
UR - https://
LA - en
ER -
CSL-JSON
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