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BIOMARKER:

SF3B1 mutation

i
Other names: SF3B1, Splicing Factor 3b Subunit 1, Splicing Factor 3b Subunit 1 155kDa, Spliceosome-Associated Protein 155, Splicing Factor 3B Subunit 1, SF3b155, SAP155, Pre-MRNA Splicing Factor SF3b 155 KDa Subunit, Pre-MRNA-Splicing Factor SF3b 155 KDa Subunit, Splicing Factor 3b Subunit 1 155kD, Pre-MRNA Processing 10, SAP 155, Hsh155, PRPF10, PRP10, MDS
Entrez ID:
Related biomarkers:
2d
Methylated CfDNA may distinguish between high- and intermediate-risk uveal melanoma: a pilot study. (PubMed, Cancer Cell Int)
This pilot study reports on cfDNA methylation signatures that differentiates UM patients from HBDs, and may distinguish between intermediate and high risk UM subgroups, supporting its prognostic potential. However, its role in monitoring disease progression requires further validation. Independent replication studies are warranted to confirm our findings and evaluate the clinical applicability in UM.
Journal
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SF3B1 (Splicing Factor 3b Subunit 1) • BAP1 (BRCA1 Associated Protein 1)
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SF3B1 mutation
3d
Luspatercept for Anemia in Lower Risk MDS or Non-proliferative MDS/MPN Neoplasms (clinicaltrials.gov)
P2, N=70, Recruiting, H. Lee Moffitt Cancer Center and Research Institute | Suspended --> Recruiting
Enrollment open
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SF3B1 (Splicing Factor 3b Subunit 1)
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SF3B1 mutation
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Reblozyl (luspatercept-aamt)
19d
Navigating the New Era in Myelodysplastic Neoplasms: A Review of Prognostic Implications of the IPSS-M Score and 2022 WHO Classification. (PubMed, Hematol Rep)
This review synthesizes the recent literature and critical studies validating these classification and prognostic updates, discussing their clinical impact, practical considerations, and implications for targeted therapeutic strategies. By focusing on molecular pathogenesis, the latest classification systems and prognostic models promise significant advances in patient-specific management, setting the stage for future innovations in treatment and improved patient outcomes.
Review • Journal
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TP53 (Tumor protein P53) • SF3B1 (Splicing Factor 3b Subunit 1)
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SF3B1 mutation
19d
Single-cell spatial mapping reveals dynamic bone marrow microarchitectural alterations and enhances clinical diagnostics in MDS. (PubMed, bioRxiv)
Using all extracted tissue features, we developed a composite spatially informed "MDS severity score", which aligned with clinical and genetic parameters across serial samples. This work uncovers previously unrecognized, genotype-linked microarchitectural alterations in MDS, the measurement of which may enhance existing diagnostic and disease monitoring strategies.
Journal
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TP53 (Tumor protein P53) • SF3B1 (Splicing Factor 3b Subunit 1)
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TP53 mutation • SF3B1 mutation
19d
A Unifying Mechanism for Shared Splicing Aberrations in Splicing Factor Mutant Cancers. (PubMed, bioRxiv)
Our results link replication stress, kinase signaling, and RNA processing across genetically diverse clonal states, highlighting potential therapeutic approaches at these nodes. While most splicing changes differ by splicing factor (SF) mutation, certain retained introns are common across subtypes.Changes in RI are bidirectional, concordant across mutant groups, and mirrors SRSF1 loss.SF mutations activate DDR, triggering an AMPKα/AKT imbalance that culminates in SRSF1 hypophosphorylation.Relieving R-loop induced DDR restores SRSF1 phosphorylation and reverses RI.
Journal
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SF3B1 (Splicing Factor 3b Subunit 1) • SRSF2 (Serine and arginine rich splicing factor 2) • U2AF1 (U2 Small Nuclear RNA Auxiliary Factor 1) • SRPK1 (SRSF Protein Kinase 1)
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SF3B1 mutation • SRSF2 mutation
1m
Molecular abnormalities and clinical features in adult patients with acute myeloid leukemia in Thailand. (PubMed, Diagn Pathol)
The complexity of AML was influenced by various cytogenetic and molecular abnormalities, which contributed to patients' heterogeneous presentation and survival outcomes. In addition to the previous data, IDH1, IDH2, and DNMT3A mutations might have affected survival outcomes in AML patients in our retrospective cohort. However, further studies with larger sample sizes are needed to validate these observations.
Journal
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TP53 (Tumor protein P53) • FLT3 (Fms-related tyrosine kinase 3) • IDH1 (Isocitrate dehydrogenase (NADP(+)) 1) • IDH2 (Isocitrate Dehydrogenase (NADP(+)) 2) • NPM1 (Nucleophosmin 1) • DNMT3A (DNA methyltransferase 1) • RUNX1 (RUNX Family Transcription Factor 1) • SF3B1 (Splicing Factor 3b Subunit 1) • ASXL1 (ASXL Transcriptional Regulator 1) • TET2 (Tet Methylcytosine Dioxygenase 2) • SRSF2 (Serine and arginine rich splicing factor 2) • RAS (Rat Sarcoma Virus)
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TP53 mutation • FLT3-ITD mutation • IDH1 mutation • FLT3 mutation • NPM1 mutation • RUNX1 mutation • RAS mutation • ASXL1 mutation • TET2 mutation • SF3B1 mutation • FLT3-TKD mutation • SRSF2 mutation
1m
BRD9 depletion-mediated ALOX5 upregulation via chromatin dysregulation induces ferroptosis in SF3B1-mutant hematopoiesis. (PubMed, Int J Hematol)
These events increase lipid peroxidation and ferroptosis susceptibility in hematopoietic cells as evidenced by enhanced BODIPY-C11 oxidation and erastin sensitivity. Our findings reveal a spliceosome-to-chromatin-to-metabolism pathway in which SF3B1 mutations promote ferroptosis through BRD9-mediated chromatin dysregulation, highlighting the previously unrecognized metabolic rewiring in myeloid malignancies.
Journal
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SF3B1 (Splicing Factor 3b Subunit 1) • ALOX5 (Arachidonate 5-Lipoxygenase)
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SF3B1 mutation
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erastin
1m
New trial
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SF3B1 (Splicing Factor 3b Subunit 1) • ASXL1 (ASXL Transcriptional Regulator 1)
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ASXL1 mutation • SF3B1 mutation
2ms
BRD4 and MYB inhibition overcomes venetoclax resistance in EVI1-rearranged acute myeloid leukemia. (PubMed, Sci Rep)
These findings elucidate the transcriptional dynamics underlying venetoclax resistance and propose alternative therapeutic strategies targeting BRD4 and MYB as promising avenues for improving outcomes in patients with EVI1-rearranged AML. Our work highlights the necessity for innovative combination therapies to address the multifaceted mechanisms of resistance in this high-risk leukemia subtype.
Journal • IO biomarker
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SF3B1 (Splicing Factor 3b Subunit 1) • BRD4 (Bromodomain Containing 4)
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SF3B1 mutation
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Venclexta (venetoclax)
2ms
A Study to Evaluate the Safety and Effectiveness of Luspatercept for the Treatment of Transfusion-dependent (TD) Anemia Associated With Myelodysplastic Syndromes (MDS) & Beta-thalassemia (β-Thal) in India (clinicaltrials.gov)
P4, N=85, Active, not recruiting, Bristol-Myers Squibb | N=60 --> 85 | Trial completion date: Apr 2026 --> Dec 2028 | Trial primary completion date: Apr 2026 --> Dec 2028
Enrollment change • Trial completion date • Trial primary completion date
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SF3B1 (Splicing Factor 3b Subunit 1)
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SF3B1 mutation
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Reblozyl (luspatercept-aamt)