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GENE:

HMGA2 (High mobility group AT-hook 2)

i
Other names: HMGA2, High Mobility Group AT-Hook 2, High-Mobility Group (Nonhistone Chromosomal) Protein Isoform I-C, High Mobility Group Protein HMGI-C, HMGIC, BABL, LIPO, High Mobility Group AT-Hook Protein 2, HMGA2/KRT121P Fusion, HMGI-C, STQTL9, SRS5
4d
Posaconazole attenuates arsenic trioxide toxicity and enhances safety and efficacy while reducing invasion and metastasis in non-small-cell lung cancer. (PubMed, Pulm Pharmacol Ther)
Furthermore, flow cytometry and colony formation assays revealed that PCZ attenuates and reduces the apoptotic/necrotic effects of ATO. In conclusion, PCZ synergistically and effectively reduces the adverse cytotoxic effects of ATO in lung cancer cells, providing a promising new therapeutic strategy for lung cancer treatment.
Journal • IO biomarker
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BCL2 (B-cell CLL/lymphoma 2) • GLI1 (GLI Family Zinc Finger 1) • HMGA2 (High mobility group AT-hook 2) • MMP9 (Matrix metallopeptidase 9)
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arsenic trioxide • Noxafil (posaconazole)
24d
Epithelioid leiomyosarcoma harboring HMGA2::RAD51B fusion: expanding the spectrum of RAD51B-rearranged uterine sarcoma. (PubMed, Virchows Arch)
The patient remains disease-free at 4 months. This case expands the molecular spectrum of ELMS and, concomitantly, broadens the emerging morphologic spectrum of RAD51B-rearranged uterine sarcomas, underscoring the diagnostic value of fusion testing in unusual uterine mesenchymal neoplasms.
Journal
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ER (Estrogen receptor) • RAD51B (RAD51 Paralog B) • HMGA2 (High mobility group AT-hook 2)
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Archer® FusionPlex® Sarcoma kit • FusionPlex® Dx
28d
Multi-Omics and Functional Analyses Identify let-7b-3p as a Negative Regulator of EMT in Lung Adenocarcinoma. (PubMed, J Biochem Mol Toxicol)
Importantly, this study is the first to reveal the inhibitory role of let-7b-3p in LUAD through the HMGA2-LIN28A axis in regulating the Wnt/TGF-β signaling pathway and EMT. These findings highlight the originality of this work and underscore the potential clinical translational value of targeting let-7b-3p or the HMGA2-LIN28A axis as novel therapeutic strategies for LUAD.
Journal
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TGFB1 (Transforming Growth Factor Beta 1) • HMGA2 (High mobility group AT-hook 2) • MIRLET7B (MicroRNA Let-7b)
1m
Identification of the HMGA2::CIBAR1-DT fusion transcript in two lipomas with chromosomal rearrangements involving chromosomes 8 and 12. (PubMed, Front Oncol)
RNA sequencing and RT-PCR of the two lipomas showed the presence of the HMGA2::CIBAR1-DT chimera. The HMGA2::CIBAR1-DT fusion, identified here for the first time, is a recurrent transcript in lipomas.
Journal
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HMGA2 (High mobility group AT-hook 2)
1m
Inhibition of HMGA2 Leads to Reduced Cell Proliferation and Increased Apoptosis in Human Embryonal Carcinoma Cell Lines. (PubMed, Andrology)
Our results indicate a role of HMGA2 in the EC, because its inhibition reduces cell malignant characteristics, and may represent a viable therapeutic target to improve the prognosis of CisR TGCTs.
Preclinical • Journal
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HMGA2 (High mobility group AT-hook 2) • ANXA5 (Annexin A5)
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cisplatin
1m
Large-scale analysis of chromosomal aberrations in uterine leiomyoma. (PubMed, Am J Obstet Gynecol)
This study revealed uterine leiomyoma subtypes to have distinct chromosomal aberration landscapes. Our large sample collection, detailed subclassification and extensive expression data integration enabled the identification of rare aberrations and subtype-specificity not previously feasible. Further research is implicated in studying the recurrently aberrant regions to identify the specific targets. This study shows, once again, the benefits for accurate subtype information in leiomyoma research and provides a new framework for further studies - towards comprehensive knowledge on the tumorigenesis and potential subtype-specific diagnostic and therapeutic strategies.
Journal
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COL4A5 (Collagen Type IV Alpha 5 Chain) • HMGA2 (High mobility group AT-hook 2) • CDKN2C (Cyclin Dependent Kinase Inhibitor 2C) • PLAG1 (PLAG1 Zinc Finger) • MED12 (Mediator Complex Subunit 12)
1m
Genetic profiling of mammary periductal stromal tumors with histologic correlation highlights high-grade and low-grade groups and similarities to phyllodes tumors. (PubMed, Mod Pathol)
In summary, we describe herein the genetic landscape of PDST, demonstrate correlation of genetic features with high-grade versus low-grade histology, and identify TP53 among key oncogenic drivers of HGPDST, including in Li-Fraumeni Syndrome. The genetics of HGPDST overlap with borderline or malignant PT, consistent with their classification as PT variants that arise through a MED12-independent pathway.
Journal
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EGFR (Epidermal growth factor receptor) • TP53 (Tumor protein P53) • PIK3CA (Phosphatidylinositol-4,5-bisphosphate 3-kinase catalytic subunit alpha) • CDKN2A (Cyclin Dependent Kinase Inhibitor 2A) • NF1 (Neurofibromin 1) • TERT (Telomerase Reverse Transcriptase) • CTNNB1 (Catenin (cadherin-associated protein), beta 1) • CDKN2B (Cyclin Dependent Kinase Inhibitor 2B) • CD34 (CD34 molecule) • ARID2 (AT-Rich Interaction Domain 2) • HMGA2 (High mobility group AT-hook 2) • KMT2B (Lysine Methyltransferase 2B) • LZTR1 (Leucine Zipper Like Transcription Regulator 1)
1m
Intra-Articular and Juxta-Articular Lipomas of the Knee: Clinicopathologic Analysis of 18 Cases Highlighting Frequent Herniation and Characteristic Histology. (PubMed, Am J Surg Pathol)
RNA sequencing revealed HMGA2 fusions in 8 of the 12 tumors tested. Intra-articular and juxta-articular lipomas of the knee, particularly the herniated intra-articular subset, are likely under-recognized and can be a source of diagnostic concern because of peculiar histology and unawareness of the relationship with the joint.
Journal
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RB1 (RB Transcriptional Corepressor 1) • MDM2 (E3 ubiquitin protein ligase) • HMGA2 (High mobility group AT-hook 2)
1m
AI/ML-Assisted Detection of HMGA2 RNA Isoforms in Prostate Cancer Patient Tissue. (PubMed, Int J Mol Sci)
These results demonstrate the feasibility of AI/ML-based RISH quantification and suggest that elevated wild-type HMGA2 expression may represent a biomarker linked to prostate cancer aggressiveness and racial disparities. These findings highlight the importance of interdisciplinary collaboration and equitable computational tools in advancing biomarker discovery and addressing cancer health inequities.
Journal
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HMGA2 (High mobility group AT-hook 2)
2ms
Uterine cellular leiomyoma with a novel HMGA2::PLCZ1 fusion and aberrant cyclin D1 expression: expanding the molecular spectrum and highlighting a diagnostic pitfall. (PubMed, Virchows Arch)
To our knowledge, this is the first report of an HMGA2::PLCZ1 rearrangement, expanding the molecular spectrum of uterine smooth muscle tumors. This case also emphasizes the biological link between HMGA2 activation and cyclin D1 overexpression, providing new insights into the molecular mechanisms underlying uterine smooth muscle tumorigenesis.
Journal
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CCND1 (Cyclin D1) • HMGA2 (High mobility group AT-hook 2)
2ms
High-throughput drug screening identifies EGFR/MAPK pathway targeting sensitivities in organoid models of ovarian carcinosarcoma. (PubMed, J Exp Clin Cancer Res)
OCS is the most aggressive, drug-resistant gynaecological malignancy and eribulin-based combination therapies, particularly triple combination therapies, have the potential to improve patient outcomes.
Journal
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KRAS (KRAS proto-oncogene GTPase) • TP53 (Tumor protein P53) • MYC (V-myc avian myelocytomatosis viral oncogene homolog) • MYCN (MYCN Proto-Oncogene BHLH Transcription Factor) • ABCB1 (ATP Binding Cassette Subfamily B Member 1) • HMGA2 (High mobility group AT-hook 2)
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TP53 mutation • KRAS mutation • EGFR mutation
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cisplatin • erlotinib • Halaven (eribulin mesylate) • Gomekli (mirdametinib)