ArticleCell death & disease2018
Role of FGFR2b expression and signaling in keratinocyte differentiation: sequential involvement of PKCδ and PKCα.
Article in Cell death & disease, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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Who cites it
15 citing papers in PubMed, 23 citations in OpenAlex.
- Fibroblast Growth Factor-7 and Hair Biology: Bridging Basic Science and Therapeutic Applications.Current issues in molecular biology · 2026Review
- ADAR1 expression is associated with cervical cancer progression and negatively regulates NK cell activity.JCI insight · 2025Article
- Development of CAR-T Therapies and Personalized Vaccines for the Treatment of Cholangiocarcinoma: Current Progress, Mechanisms of Action, and Challenges.The American journal of pathology · 2025Review
- Bioengineered MSCCellular and molecular life sciences : CMLS · 2024Article
- Inflammatory Mediators Suppress FGFR2 Expression in Human Keratinocytes to Promote Inflammation.Molecular and cellular biology · 2024Article
- Immunomodulatory Gene-Splicing Dysregulation in Tumorigenesis: Unmasking the Complexity.Molecules (Basel, Switzerland) · 2023Review
- New developments in the biology of fibroblast growth factors.WIREs mechanisms of disease · 2022Review
- Review
- Acute and chronic effects of a light-activated FGF receptor in keratinocytes in vitro and in mice.Life science alliance · 2021Article
- Expression of the E5 Oncoprotein of HPV16 Impacts on the Molecular Profiles of EMT-Related and Differentiation Genes in Ectocervical Low-Grade Lesions.International journal of molecular sciences · 2021Article
- Article
- The aberrant expression in epithelial cells of the mesenchymal isoform of FGFR2 controls the negative crosstalk between EMT and autophagy.Journal of cellular and molecular medicine · 2021Article
- 2b or Not 2b: How Opposing FGF Receptor Splice Variants Are Blocking Progress in Precision Oncology.Journal of oncology · 2021Review
- Role of PKCε in the epithelial-mesenchymal transition induced by FGFR2 isoform switch.Cell communication and signaling : CCS · 2020Article
- The Aberrant Expression of the Mesenchymal Variant of FGFR2 in the Epithelial Context Inhibits Autophagy.Cells · 2019Article
Corrections and comments
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Authors and funding
5 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The tumor suppressor epithelial isoform of the fibroblast growth factor receptor 2 (FGFR2b) induces human keratinocyte early differentiation. Moreover, protein kinases C (PKCs) are known to regulate the differentiation program in several cellular contexts, including keratinocytes. Therefore, in this paper we propose to clarify if FGFR2b could play a role also in the late steps of keratinocyte differentiation and to assess if this receptor-induced process would sequentially involve PKCδ and PKCα isoforms. Immunofluorescence, biochemical, and molecular approaches, performed on 2D cultures or 3D organotypic rafts of human keratinocytes overexpressing FGFR2b by stable transduction, showed that receptor signaling induced the precocious onset and an accelerated progression of keratinocyte differentiation, indicating that FGFR2b is a crucial regulator of the entire program of keratinocyte differentiation. In addition, the use of specific inhibitors and gene silencing approaches through specific siRNA demonstrated that PKCδ controls the onset of FGFR2b-triggered differentiation, while PKCα plays a role restricted to the terminal stages of the process. Molecular analysis revealed that the two PKC isoforms sequentially act via induction of KLF4 and DLX3, two transcription factors linked by negative loops to p63, suggesting that p63 would represent the hub molecule at the crossroad of an intricate signaling network downstream FGFR2b, involving multiple PKC-induced transcription factors.
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