ArticlePloS one2022
Polypyrimidine tract binding proteins PTBP1 and PTBP2 interact with distinct proteins under splicing conditions.
Article in PloS one, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.
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Who cites it
16 citing papers in PubMed, 19 citations in OpenAlex.
- Hippocampal Mitochondrial Dysfunction and Synaptic Disruption Link Organophosphate Exposure to Pre-Diabetes: An LC-MS/MS-Based Proteomics Approach.Biomolecules · 2026Article
- Comparative genomic analysis of RNA-binding proteins across some drug resistant and sensitive Staphylococcus aureus.Applied microbiology and biotechnology · 2026Article
- Nonsense-mediated mRNA decay and associated splicing patterns in neurodevelopmental disorders.Frontiers in molecular biosciences · 2026Review
- The splicing factor PTBP1 interacts with RUNX1 and is required for leukemia cell survival.Leukemia · 2026Article
- Pnky Modulates Neural Stem Cell Proliferation and Differentiation Through Activation of Wnt/β-Catenin Signaling Pathway.Organogenesis · 2025Article
- Splicing to keep splicing: A feedback system for cellular homeostasis and state transition.Clinical and translational medicine · 2025Review
- Article
- Lactylation-Related Gene CALM1 Promotes Aortic Dissection via Immune Microenvironment Remodeling: Insights from Bioinformatics and Clinical Evidence.Journal of inflammation research · 2025Article
- Elucidating the pathobiology of Cerebellar Ataxia with Neuropathy and Vestibular Areflexia Syndrome (CANVAS) with its expanded RNA structure formation and proteinopathy.Scientific reports · 2024Article
- Differences in alternative splicing and their potential underlying factors between animals and plants.Journal of advanced research · 2024Review
- Long-read proteogenomics to connect disease-associated sQTLs to the protein isoform effectors of disease.American journal of human genetics · 2024Article
- N6-Methyladenosine Demethylase ALKBH5 Promotes Pyroptosis by Modulating PTBP1 mRNA Stability in LPS-Induced Myocardial Dysfunction.Acta Cardiologica Sinica · 2024Article
- Reducing polypyrimidine tract‑binding protein 1 fails to promote neuronal transdifferentiation on HT22 and mouse astrocyte cells under physiological conditions.Experimental and therapeutic medicine · 2024Article
- Neural Isoforms of Agrin Are Generated by Reduced PTBP1-RNA Interaction Network Spanning the Neuron-Specific Splicing Regions inInternational journal of molecular sciences · 2023Article
- Clinicopathological significance and prognostic value of polypyrimidine tract binding protein 1 (PTBP1) in gastric cancer.Translational cancer research · 2022Article
- Binding of hnRNP I-vRNA Regulates Sindbis Virus Structural Protein Expression to Promote Particle Infectivity.Viruses · 2022Article
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Authors and funding
3 authors at 1 institution in 1 country.
Funding
Abstract
RNA binding proteins play an important role in regulating alternative pre-mRNA splicing and in turn cellular gene expression. Polypyrimidine tract binding proteins, PTBP1 and PTBP2, are paralogous RNA binding proteins that play a critical role in the process of neuronal differentiation and maturation; changes in the concentration of PTBP proteins during neuronal development direct splicing changes in many transcripts that code for proteins critical for neuronal differentiation. How the two related proteins regulate different sets of neuronal exons is unclear. The distinct splicing activities of PTBP1 and PTBP2 can be recapitulated in an in vitro splicing system with the differentially regulated N1 exon of the c-src pre-mRNA. Here, we conducted experiments under these in vitro splicing conditions to identify PTBP1 and PTBP2 interacting partner proteins. Our results highlight that both PTBPs interact with proteins that participate in chromatin remodeling and transcription regulation. Our data reveal that PTBP1 interacts with many proteins involved in mRNA processing including splicing regulation while PTBP2 does not. Our results also highlight enzymes that can serve as potential "writers" and "erasers" in adding chemical modifications to the PTB proteins. Overall, our study highlights important differences in protein-protein interactions between the PTBP proteins under splicing conditions and supports a role for post-translational modifications in dictating their distinct splicing activities.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.