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GENE:

KCNN4 (Potassium Calcium-Activated Channel Subfamily N Member 4)

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Other names: KCNN4, Potassium Calcium-Activated Channel Subfamily N Member 4, KCa3.1, HIKCa1, HKCa4, HSK4, IK, Potassium Channel, Calcium Activated Intermediate/Small Conductance Subfamily N Alpha, Member 4, Potassium Intermediate/Small Conductance Calcium-Activated Channel, Subfamily N, Member 4, Intermediate Conductance Calcium-Activated Potassium Channel Protein 4, Small Conductance Calcium-Activated Potassium Channel 4, Putative Gardos Channel, SKCa 4, IKCA1, SKCa4, KCA4, IK1, SK4, Putative Erythrocyte Intermediate Conductance Calcium-Activated Potassium Gardos Channel, Intermediate Conductance Calcium-Activated Potassium Channel , Intermediate-Conductance Ca2+-Activated K+ Channel, KCa3.1, IKCa1, DHS2, KCa4
Associations
Trials
9d
p300-mediated acetylation of KCNN4 drives enzalutamide resistance in prostate cancer. (PubMed, Exp Cell Res)
Moreover, KCNN4 knockdown suppresses tumor growth and synergizes with enzalutamide in xenograft models, underscoring the therapeutic potential of targeting the p300-KCNN4 axis. Collectively, our findings reveal a previously unrecognized epigenetic regulatory mechanism coupling p300-mediated acetylation to potassium channel stability, providing a promising therapeutic strategy to overcome chemoresistance in advanced prostate cancer.
Journal
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KCNN4 (Potassium Calcium-Activated Channel Subfamily N Member 4)
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Xtandi (enzalutamide)
3ms
Molecular subtyping and a seven-gene immune signature reveal heterogeneity in tumor microenvironment and prognosis of lung adenocarcinoma. (PubMed, Eur J Med Res)
This study identified three LUAD subtypes with distinct immune characteristics and constructed a seven-gene prognostic model. This model correlates with immune checkpoint and chemotherapy sensitivity, providing new targets and strategies for clinical diagnosis and treatment.
Journal
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CD20 (Membrane Spanning 4-Domains A1) • CD276 (CD276 Molecule) • CD73 (5'-Nucleotidase Ecto) • NT5E (5'-Nucleotidase Ecto) • MS4A1 (Membrane Spanning 4-Domains A1) • TNFSF4 (TNF Superfamily Member 4) • KCNN4 (Potassium Calcium-Activated Channel Subfamily N Member 4) • S100P (S100 calcium binding protein P)
3ms
Toxicological Impacts and Mechanistic Insights of Bisphenol a on Clear Cell Renal Cell Carcinoma Progression: A Network Toxicology, Machine Learning and Molecular Docking Study. (PubMed, Biomedicines)
These findings enhance our understanding of the molecular mechanisms by which BPA induces ccRCC and highlight potential targets for therapeutic intervention, particularly in endocrine and immune-related pathways. This underscores the need for collaborative efforts to mitigate the impact of environmental toxins like BPA on public health.
Journal • PD(L)-1 Biomarker • IO biomarker
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PD-L1 (Programmed death ligand 1) • CCR4 (C-C Motif Chemokine Receptor 4) • FASN (Fatty acid synthase) • CHRM3 (Cholinergic Receptor Muscarinic 3) • CYP2C9 (Cytochrome P450 Family 2 Subfamily C Member 9) • KCNN4 (Potassium Calcium-Activated Channel Subfamily N Member 4) • PRKCE (Protein Kinase C Epsilon)
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PD-L1 expression
3ms
A Prognostic Neuromodulation-Related Gene Signature Identifies Immunomodulation and Tumour-Associated Hallmarks in Glioblastoma. (PubMed, Biomedicines)
Additionally, high expressions of the 10-NMRGs were noted in the mesenchymal GBM subtype. Collectively, our analysis highlights the potential use of the 10-NMRG signature to stratify the high-risk GBM group with a strong association of immunomodulation and tumour-associated hallmarks that can contribute to the poor survival outcomes.
Journal • Gene Signature
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NTRK1 (Neurotrophic tyrosine kinase, receptor, type 1) • IGF2 (Insulin-like growth factor 2) • EDNRB (Endothelin Receptor Type B) • KCNN4 (Potassium Calcium-Activated Channel Subfamily N Member 4) • OSMR (Oncostatin M Receptor)
3ms
Identification of plasma cell infiltration-related gene signatures as a novel prognostic model for clear cell renal cell carcinoma. (PubMed, Clin Exp Med)
Drug sensitivity analysis revealed that tyrosine kinase inhibitors (e.g., ceritinib, imatinib) potently inhibited cancer cell lines in the high PC score group, while inhibitors like acalabrutinib were effective in the low PC score group. Expression of hub genes in KIRC patients was validated using a local cohort and single-cell sequencing. We identified key genes regulating PC infiltration in KIRC and proposed a predictive model that effectively identifies high-risk KIRC patients.
Journal • Gene Signature
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CD8 (cluster of differentiation 8) • ADAM8 (ADAM Metallopeptidase Domain 8) • KCNN4 (Potassium Calcium-Activated Channel Subfamily N Member 4) • PPARGC1A (PPARG Coactivator 1 Alpha) • RAG1 (Recombination Activating 1) • TCIRG1 (T Cell Immune Regulator 1, ATPase H+ Transporting V0 Subunit A3)
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imatinib • Zykadia (ceritinib) • Calquence (acalabrutinib)
5ms
Identification of mechanosensitive ion channel-related molecular subtypes and key genes for ovarian cancer. (PubMed, Transl Cancer Res)
Single-cell RNA sequencing demonstrated that CACNA1C was expressed in fibroblasts and myofibroblasts, PIEZO1 was expressed across all five cell subtypes, and TRPV4 was expressed in fibroblasts and monocytes or macrophages. This study initially identified unique molecular subtypes and key genes for patients with OC from the novel angle of MICs.
Journal
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TRPV1 (Transient Receptor Potential Cation Channel Subfamily V Member 1) • CACNA1B (Calcium Voltage-Gated Channel Subunit Alpha1 B) • KCNQ1OT1 (KCNQ1 Opposite Strand/Antisense Transcript 1) • KCNN4 (Potassium Calcium-Activated Channel Subfamily N Member 4) • TRPA1 (Transient Receptor Potential Cation Channel Subfamily A Member 1) • TRPV4 (Transient Receptor Potential Cation Channel Subfamily V Member 4)
8ms
Exploring the Mechanisms of Lijin Fang on Treg/Th17 Cell Imbalance in COPD Based on Network Pharmacology. (PubMed, Int J Chron Obstruct Pulmon Dis)
Molecular docking results indicated stable interactions between IL-10 and BIRC3 with the constituents of LJF. This study highlights LJF's anti-inflammatory potential in restoring the Treg/Th17 balance and regulating cytokine expression in COPD.
Journal
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TNFA (Tumor Necrosis Factor-Alpha) • BIRC3 (Baculoviral IAP repeat containing 3) • IL10 (Interleukin 10) • IL17A (Interleukin 17A) • IL1B (Interleukin 1, beta) • KCNN4 (Potassium Calcium-Activated Channel Subfamily N Member 4)
8ms
Multi-omics analysis reveals the impact of thrombotic diseases on the occurrence and prognosis of Breast cancer. (PubMed, J Steroid Biochem Mol Biol)
Finally, a VTE-related risk score model was constructed, indicating better outcomes in the low-VTE risk score group. This study demonstrated that VTE is closely associated with BC development and identified potential molecular pathways linking the two conditions.
Journal
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IL17A (Interleukin 17A) • KCNN4 (Potassium Calcium-Activated Channel Subfamily N Member 4) • ZBTB38 (Zinc Finger And BTB Domain Containing 38)
9ms
Targeting Ca2+-activated K+ channels in glioma. (PubMed, Biochim Biophys Acta Mol Basis Dis)
Importantly, modulation of the activity of KCa channels reduced the proliferation and migration of GBM cells and suppressed glioma progression both in vivo and in vitro cell models for GBM. Herein, we aim to review how modulation of the activity of KCa channels impacts tumor development in terms of proliferation, cell death, invasion, metabolism and immune system in GBM.
Review • Journal
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KCNN4 (Potassium Calcium-Activated Channel Subfamily N Member 4)
10ms
Single-nucleus RNA sequencing reveals a preclinical model for the most common subtype of glioblastoma. (PubMed, Commun Biol)
The landscape of cytokines, checkpoint ligands and receptors uncovered Mrc1, PD-L1, TIM-3 or B7-H3, among the immunotherapy targets that can be addressed in this model. The comparison with human GBMs unveiled crucial similarities with TMEMed GBM, the most frequent subtype.
Preclinical • Journal
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PD-L1 (Programmed death ligand 1) • CD276 (CD276 Molecule) • CD73 (5'-Nucleotidase Ecto) • HAVCR2 (Hepatitis A Virus Cellular Receptor 2) • IRF8 (Interferon Regulatory Factor 8) • NT5E (5'-Nucleotidase Ecto) • CSF1R (Colony stimulating factor 1 receptor) • TGFB1 (Transforming Growth Factor Beta 1) • MRC1 (Mannose Receptor C-Type 1) • GRIK2 (Glutamate Ionotropic Receptor Kainate Type Subunit 2) • KCNN4 (Potassium Calcium-Activated Channel Subfamily N Member 4)
1year
Construction and evaluation of a prognostic model for metabolism-related genes in kidney renal clear cell carcinoma using TCGA database. (PubMed, Am J Clin Exp Urol)
Several MRGs are aberrantly expressed in KIRC, from which we screened 23 genes and constructed a MRGs prognostic risk model that can effectively predict the prognosis of KIRC patients and provide a new foundation for personalised diagnosis and treatment of KIRC.
Journal
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PLK1 (Polo Like Kinase 1) • ANK3 (Ankyrin 3) • ATP1A1 (ATPase Na+/K+ Transporting Subunit Alpha 1) • KCNN4 (Potassium Calcium-Activated Channel Subfamily N Member 4) • TFAP2A (Transcription Factor AP-2 Alpha) • ANGPTL3 (Angiopoietin Like 3)
1year
Transcriptome analysis of novel B16 melanoma metastatic variants generated by serial intracarotid artery injection. (PubMed, Acta Neuropathol Commun)
Among the differentially expressed genes, transcript levels of several genes, including Itgb2, Rftn2, and Kcnn4, were significantly higher in all cell populations that comprised this lineage compared with all cell populations from the other three lineages. In conclusion, we have derived an aggressive, highly brain metastatic B16 variant associated with leptomeningeal disease by serially passaging cells in vivo.
Journal • IO biomarker
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KRAS (KRAS proto-oncogene GTPase) • ITGB2 (Integrin Subunit Beta 2) • KCNN4 (Potassium Calcium-Activated Channel Subfamily N Member 4)