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GENE:

PDHA1 (Pyruvate Dehydrogenase E1 Subunit Alpha 1)

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Other names: PDHA1, Pyruvate Dehydrogenase E1 Subunit Alpha 1, Pyruvate Dehydrogenase E1 Component Subunit Alpha, Somatic Form, Mitochondrial, Pyruvate Dehydrogenase (Lipoamide) Alpha 1, Pyruvate Dehydrogenase Alpha 1, PDHE1-A Type I , E1alpha, PHE1A, PDHA, Pyruvate Dehydrogenase Complex, E1-Alpha Polypeptide 1, Pyruvate Dehydrogenase E1 Alpha 1 Subunit, PDHCE1A, PDHAD
Associations
Trials
1d
PDHA1 enhances resistance to ferroptosis in anoikis-resistant prostate cancer by upregulating AIFM2. (PubMed, Cell Death Discov)
Additionally, the aberrant overexpression of PDHA1 in AnoR prostate cancer cells upregulates PPARA and AIFM2 expression through nuclear translocation, collectively suppressing ferroptosis and promoting metastasis. These findings reveal a novel role for PDHA1 in mediating ferroptosis resistance during ECM detachment and provide a potential therapeutic target for prostate cancer treatment.
Journal
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AIFM2 (Apoptosis Inducing Factor Mitochondria Associated 2) • PDHA1 (Pyruvate Dehydrogenase E1 Subunit Alpha 1) • PPARA (Peroxisome Proliferator Activated Receptor Alpha)
1m
Prospective Breast Cancer Biomarkers Identified Using miR-526b-Driven Metabolic Alterations. (PubMed, Cancer Inform)
While ATP5A1 shows promise in tissue, plasma-based screening benefits from combining multiple markers, including pri-miR-526b. Further research is needed to refine plasma biomarker panels for effective early detection of breast cancer.
Journal
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LDHA (Lactate dehydrogenase A) • MIR526B (MicroRNA 526b) • PDHA1 (Pyruvate Dehydrogenase E1 Subunit Alpha 1) • TIGAR (TP53 Induced Glycolysis Regulatory Phosphatase)
1m
PDH-RAVICTI: Efficacy and Safety of the Treatment of Pyruvate Dehydrogenase Deficiency Patients With Glycerol Phenylbutyrate (RAVICTI) (clinicaltrials.gov)
P2, N=15, Recruiting, Assistance Publique - Hôpitaux de Paris | Trial completion date: Dec 2026 --> Apr 2027 | Initiation date: May 2025 --> Oct 2025 | Trial primary completion date: Nov 2025 --> Mar 2026 | Not yet recruiting --> Recruiting
Enrollment open • Trial completion date • Trial initiation date • Trial primary completion date
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DLAT (Dihydrolipoamide S-Acetyltransferase) • PDHA1 (Pyruvate Dehydrogenase E1 Subunit Alpha 1)
2ms
Herbal Composition Inhibits Mitochondrial Oxidative Phosphorylation to Prevent HER2-Positive Breast Cancer and Identifies Potential Active Compounds. (PubMed, Int J Mol Sci)
Molecular docking highlighted Monomethyl lithospermate as a key active component. Overall, SLC influences oxidative phosphorylation via the PDK1/PDHA1 and SIRT1/PGC-1α/NRF1/TFAM signaling pathways and downregulates the HER2 pathway, thereby ultimately inhibiting HER2-positive breast cancer progression.
Journal
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HER-2 (Human epidermal growth factor receptor 2) • NRF1 (Nuclear Respiratory Factor 1) • PDHA1 (Pyruvate Dehydrogenase E1 Subunit Alpha 1) • PDK1 (Pyruvate Dehydrogenase Kinase 1) • TFAM (Transcription Factor A, Mitochondrial)
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HER-2 positive • EGFR positive
3ms
Identification and validation of mitochondrial and programmed cell death-related prognostic markers in pediatric acute myeloid leukemia. (PubMed, Front Immunol)
PDHA1, OGG1, and OPA1 were identified as potential prognostic markers for pediatric AML, providing valuable insights for the development of targeted therapeutic strategies. However, further validation in larger and more diverse clinical cohorts is still required to confirm its clinical applicability.
Journal
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MIR199A1 (MicroRNA 199a-1) • OGG1 (8-Oxoguanine DNA glycosylase) • MIR199A (MicroRNA 199a) • PDHA1 (Pyruvate Dehydrogenase E1 Subunit Alpha 1)
3ms
Glioma angiogenesis phosphoproteome landscape and biomarker sets identified with phenome-centered multiomics toward 3P medical approaches. (PubMed, EPMA J)
These findings provide concrete molecular targets for antiangiogenic therapy and establish clinically actionable biomarkers for glioma patient stratification in the 3PM framework. The online version contains supplementary material available at 10.1007/s13167-025-00428-1.
Journal
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HIF1A (Hypoxia inducible factor 1, alpha subunit) • CAMK2D (Calcium/Calmodulin Dependent Protein Kinase II Delta) • HSPB1 (Heat shock 27kDa protein 1) • L1CAM (L1 cell adhesion molecule) • PRKAR1A (Protein Kinase CAMP-Dependent Type I Regulatory Subunit Alpha) • MYLK (Myosin Light Chain Kinase) • PDHA1 (Pyruvate Dehydrogenase E1 Subunit Alpha 1) • PRKAR2B (Protein Kinase CAMP-Dependent Type II Regulatory Subunit Beta)
3ms
Identification of cuproptosis-related subtypes, construction of a prognosis model, and tumor microenvironment landscape in multiple myeloma. (PubMed, Transl Oncol)
In vitro experiments, the combination of elesclomol (a copper ion carrier) and bortezomib (Bortezomib) demonstrated a synergistic anti-myeloma effect through excessive intracellular reactive oxygen species generation. This study provides valuable insights into the role of CRGs in MM, potentially aiding in prognosis prediction and the development of effective, personalized therapeutic strategies.
Journal
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CDKN2A (Cyclin Dependent Kinase Inhibitor 2A) • DLAT (Dihydrolipoamide S-Acetyltransferase) • MELTF (Melanotransferrin) • VCAM1 (Vascular Cell Adhesion Molecule 1) • CKS2 (CDC28 Protein Kinase Regulatory Subunit 2) • HSP90AB1 (Heat Shock Protein 90 Alpha Family Class B Member 1) • PDHA1 (Pyruvate Dehydrogenase E1 Subunit Alpha 1)
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bortezomib • elesclomol (STA-4783)
5ms
The potential impact of GLS and PDHA1 on tumor immunity and immunotherapy response in LUSC. (PubMed, Front Genet)
GLS and PDHA1 have been proposed as potential prognostic markers for immunotherapy. Targeting cuproptosis has the potential to convert immunologically cold to hot tumours, thereby advancing precision immunotherapy.
Journal • IO biomarker
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PDHA1 (Pyruvate Dehydrogenase E1 Subunit Alpha 1)
5ms
CDH1 Orchestrates Anabolic Events to Promote Cell Cycle Initiation. (PubMed, Adv Sci (Weinh))
Moreover, it is demonstrated that an artificial R5P signal, generated by ribose-5-sulfate (R5S), sensitizes cancer cells to apoptosis by initiating the cell cycle in the absence of sufficient anabolite supply. These suggest that cancer signatures, including the Warburg effect and angiogenesis, are intrinsically driven by CDH1.
Journal
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HIF1A (Hypoxia inducible factor 1, alpha subunit) • CDH1 (Cadherin 1) • CDK2 (Cyclin-dependent kinase 2) • CDC20 (Cell Division Cycle 20) • PDHA1 (Pyruvate Dehydrogenase E1 Subunit Alpha 1)
5ms
PLK1-mediated PDHA1 phosphorylation drives metabolic reprogramming in lung cancer. (PubMed, Oncogene)
It is well-established that pyruvate dehydrogenase kinase (PDK)-mediated phosphorylation of PDH leads to its inactivation and that dichloroacetic acid (DCA), a PDK inhibitor, has been investigated in preclinical and early clinical studies as a potential therapeutic agent for lung cancer. This study aims to elucidate how PLK1-associated activity drives the metabolic reprogramming from OXPHOS to glycolysis during cellular transformation, thereby contributing to lung carcinogenesis. Our results provide support for a clinical trial to evaluate the efficacy of Onvansertib plus DCA in treating lung cancer.
Journal
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PLK1 (Polo Like Kinase 1) • PDHA1 (Pyruvate Dehydrogenase E1 Subunit Alpha 1)
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onvansertib (PCM-075) • dichloroacetate topical
6ms
Natural History and Advanced Genetic Study of Pyruvate Dehydrogenase Complex Deficiencies (clinicaltrials.gov)
P=N/A, N=150, Recruiting, University of Pittsburgh | Trial completion date: Aug 2025 --> Sep 2026 | Trial primary completion date: Aug 2025 --> Sep 2026
Trial completion date • Trial primary completion date
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PDHA1 (Pyruvate Dehydrogenase E1 Subunit Alpha 1)