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Signal Transduction and Transcriptional Regulation in Health and Disease

A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Biochemistry".

Deadline for manuscript submissions: closed (30 March 2024) | Viewed by 938

Special Issue Editor


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Guest Editor
Department of Molecular Medicine and Medical Biotechnology, School of Medicine, University of Naples Federico II, 80131 Naples, Italy
Interests: transcriptional regulation; epigenetic mechanisms of gene expression regulation; signal transduction
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Signal transduction pathways concern crucial mechanisms that allow the transfer of biological information from the cell surface to various intracellular targets and from one cell to another.

They are triggered by modular proteins that regulate protein–protein interactions and the reversible assembly of numerous signaling complexes. Additionally, cell signaling transduction can control gene expression, modulating the activity of nuclear transcription factors and thus leading to changes in the cellular transcriptional program. This, at least in part, could be involved in the termination of the induction response to different extracellular stimuli and final functional organization. On the other hand, several transcription factors control specific signaling pathways by modulating the expression of the genes participating in them. This intricate and fine-coordinated network of interactions guarantees a constant and dynamic flow of intra- and inter-cellular communication. The alteration of these cell signaling events and related gene expression programs causes the onset of many pathological processes.

This Special Issue invites contributions, including original research articles, reviews, commentaries, and perspectives that could help to collect new insights into molecular underpinnings of cellular transduction signaling and the control of gene expression in physiological and pathological conditions.

Dr. Elena Cesaro
Guest Editor

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Keywords

  • signaling pathway
  • cell–cell communication
  • intracellular signal
  • transcription regulation
  • histone modification
  • chromatin remodeling

Published Papers (1 paper)

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Research

15 pages, 1793 KiB  
Article
Validation of RNA Extraction Methods and Suitable Reference Genes for Gene Expression Studies in Developing Fetal Human Inner Ear Tissue
by Claudia Steinacher, Dietmar Rieder, Jasmin E. Turner, Nita Solanky, Shin-ya Nishio, Shin-ichi Usami, Barbara Hausott, Anneliese Schrott-Fischer and Jozsef Dudas
Int. J. Mol. Sci. 2024, 25(5), 2907; https://doi.org/10.3390/ijms25052907 - 02 Mar 2024
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Abstract
A comprehensive gene expression investigation requires high-quality RNA extraction, in sufficient amounts for real-time quantitative polymerase chain reaction and next-generation sequencing. In this work, we compared different RNA extraction methods and evaluated different reference genes for gene expression studies in the fetal human [...] Read more.
A comprehensive gene expression investigation requires high-quality RNA extraction, in sufficient amounts for real-time quantitative polymerase chain reaction and next-generation sequencing. In this work, we compared different RNA extraction methods and evaluated different reference genes for gene expression studies in the fetal human inner ear. We compared the RNA extracted from formalin-fixed paraffin-embedded tissue with fresh tissue stored at −80 °C in RNAlater solution and validated the expression stability of 12 reference genes (from gestational week 11 to 19). The RNA from fresh tissue in RNAlater resulted in higher amounts and a better quality of RNA than that from the paraffin-embedded tissue. The reference gene evaluation exhibited four stably expressed reference genes (B2M, HPRT1, GAPDH and GUSB). The selected reference genes were then used to examine the effect on the expression outcome of target genes (OTOF and TECTA), which are known to be regulated during inner ear development. The selected reference genes displayed no differences in the expression profile of OTOF and TECTA, which was confirmed by immunostaining. The results underline the importance of the choice of the RNA extraction method and reference genes used in gene expression studies. Full article
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