ArticleMolecular biology reports2022
Autoregulation of Pax6 in neuronal cells is mediated by Pax6(5a), Pax6(ΔPD), SPARC, and p53.
Article in Molecular biology reports, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed, 3 citations in OpenAlex.
- Pax6 Binds to NF-κB DNA Motif and Regulates Genes Involved in NF-κB Activation in the Brains of LPS-Treated Mice.Molecular neurobiology · 2025Article
- Pax6 regulates neuronal migration and cell proliferation via interacting with Wnt3a during cortical development.Scientific reports · 2025Article
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2 authors at 2 institutions in 1 country.
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Abstract
backgroundPax6, a multifunctional protein and a transcriptional regulator is critical for optimal functioning of neuronal cells. It is known that alternatively spliced Pax6 isoforms and co-expressed interacting proteins mediate cell/tissue specific autoregulation of Pax6, however, underlying mechanism(s) are poorly understood. METHODS AND
resultsWe used Neuro-2a cells to explore the mechanism of autoregulation of Pax6 in neuronal cells whereas NIH/3T3 cells were used as control. We first studied the transcript expression of the three Pax6 isoforms: Pax6, Pax6(5a), and Pax6(ΔPD); and the two co-expressed Pax6-interacting partners: SPARC and p53 in normal and overexpressed conditions, through the semi-quantitative RT-PCR. Further, we used the luciferase reporter assay to study the binding and transactivation of the three Pax6 isoforms: Pax6, Pax6(5a), and Pax6(ΔPD) to their respective promoters: P0, P1, and Pα; followed by that of the two co-expressed Pax6-interacting partners: SPARC and p53 to the Pax6-P1 promoter. Expression and distribution of Pax6, Pax6(5a) and Pax6(ΔPD), their binding to Pax6-promoters (P0, P1, and Pα) and transactivation were modulated in transfected Neuro-2a cells.
conclusionOur results suggest that autoregulation of Pax6 in neuronal cells is driven by a promoter dependent mechanism which is mediated by spliced variants [Pax6(5a) and Pax6(ΔPD)] and interacting proteins (SPARC and p53) of Pax6.
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