Cellular physiology and biochemistry : international journal of experimental cellular physiology, biochemistry, and pharmacology · 2023
miRNA-mRNA Network in PBMCs of PCOS Women Identifies Overactivated Stress-Activated Kinases.
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Krishna Meera B, Johnson Betcy Susan, Vasudevan Madavan, Pillai Sathy M, Laloraya Malini
Аннотация
BACKGROUND/AIMS: Earlier studies have revealed the miRNAs and mRNAs involved in Polycystic Ovarian Syndrome (PCOS), but little is known about their regulatory networks.
METHODS: To address this issue, we applied a comprehensive miRNA, mRNA profiling approach in peripheral blood of PCOS patients. We identified 30 differential miRNAs and 3310 differential transcripts. A robust computational framework was created to integrate matched miRNA and mRNA expression profiles in PCOS using feed-forward loops.
RESULTS: The network consisted of differential miRNAs, transcription factors (TFs), and their common predicted target genes. The key network consisted of 14 non-orphan network clusters with 50 TF-gene pairs, 8 TF-TF pairs, 6 miRNA-TF pairs and 36 miRNA- gene pairs which were later dissected into 16 subclusters. Gene ontology annotations revealed that a host of signals (hormone, growth factors -EGF/ PDGF, thrombopoietin, oxidative stress and vitamin/nutrition) regulate MAPK signaling altering angiogenesis, JAK-STAT signaling, apoptosis, inflammatory and immune response and steroidogenesis in PCOS women.
CONCLUSION: MAPK signaling is identified as the syndrome´s major dysregulated pathway. Our data imparts a robust foundation to expand the work and pave the way to focus efforts on p38MAPK targeted therapeutic strategies in PCOS.
METHODS: To address this issue, we applied a comprehensive miRNA, mRNA profiling approach in peripheral blood of PCOS patients. We identified 30 differential miRNAs and 3310 differential transcripts. A robust computational framework was created to integrate matched miRNA and mRNA expression profiles in PCOS using feed-forward loops.
RESULTS: The network consisted of differential miRNAs, transcription factors (TFs), and their common predicted target genes. The key network consisted of 14 non-orphan network clusters with 50 TF-gene pairs, 8 TF-TF pairs, 6 miRNA-TF pairs and 36 miRNA- gene pairs which were later dissected into 16 subclusters. Gene ontology annotations revealed that a host of signals (hormone, growth factors -EGF/ PDGF, thrombopoietin, oxidative stress and vitamin/nutrition) regulate MAPK signaling altering angiogenesis, JAK-STAT signaling, apoptosis, inflammatory and immune response and steroidogenesis in PCOS women.
CONCLUSION: MAPK signaling is identified as the syndrome´s major dysregulated pathway. Our data imparts a robust foundation to expand the work and pave the way to focus efforts on p38MAPK targeted therapeutic strategies in PCOS.