| Name | LBH domain containing 2 |
| Summary |
{"type": "root", "children": [{"type": "p", "children": [{"type": "t", "text": "\nPeroxiredoxin‐II (commonly referred to as PRDX2) is a thiol‐specific peroxidase that plays a central role in cellular redox regulation by detoxifying hydrogen peroxide and other reactive oxygen species. Its enzymatic activity not only protects cells from oxidative damage but also modulates signal transduction cascades – for example, by locally regulating growth factor–mediated pathways such as those triggered by platelet‐derived growth factor. In several cell types, the inducible expression and post‐translational modifications of PRDX2 enable it to maintain redox homeostasis under both physiological and stress conditions."}, {"type": "fg", "children": [{"type": "fg_fs", "start_ref": "1", "end_ref": "3"}]}, {"type": "t", "text": "\n"}]}, {"type": "t", "text": "\n\n"}, {"type": "p", "children": [{"type": "t", "text": "\nIn red blood cells, PRDX2 is one of the most abundant cytosolic proteins, serving a critical role in neutralizing endogenous hydrogen peroxide produced during oxygen transport. By protecting hemoglobin from oxidative modification and aggregation, PRDX2 minimizes cellular damage and hemolysis. Its regulation—through mechanisms such as glutathionylation and interaction with reducing systems—ensures that erythrocytes cope with oxidative challenges, a function whose disruption leads to pathologies like hemolytic anemia."}, {"type": "fg", "children": [{"type": "fg_fs", "start_ref": "4", "end_ref": "7"}]}, {"type": "t", "text": "\n"}]}, {"type": "t", "text": "\n\n"}, {"type": "p", "children": [{"type": "t", "text": "\nBeyond its classical antioxidant function, PRDX2 participates in the modulation of cell signaling pathways that control cellular proliferation, differentiation, and senescence. In various models, its deficiency has been linked to accelerated cellular aging via upregulation of Ras–ERK cascades, while maintenance of its activity is associated with suppression of pro‐inflammatory responses. Moreover, in the context of hematological malignancies, such as acute myeloid leukemia, modulating PRDX2 activity has been shown to influence differentiation outcomes, suggesting that its redox-regulatory function can impact oncogenic processes."}, {"type": "fg", "children": [{"type": "fg_fs", "start_ref": "8", "end_ref": "12"}]}, {"type": "t", "text": "\n"}]}, {"type": "t", "text": "\n\n"}, {"type": "p", "children": [{"type": "t", "text": "\nA protective role for PRDX2 has also been documented in diverse tissues. In cardiovascular cells, diminished PRDX2 levels correlate with increased oxidative stress and cell death under ischemic conditions, while in neuronal and podocyte cells its activity sustains mitochondrial integrity and cell survival. Similarly, in reproductive tissues, PRDX2 modulates oocyte maturation and cumulus expansion, underscoring its importance in normal development. These findings illustrate that PRDX2 not only functions as an antioxidant but also as a crucial regulator of cell fate in tissues that are highly vulnerable to oxidative injury."}, {"type": "fg", "children": [{"type": "fg_fs", "start_ref": "13", "end_ref": "21"}]}, {"type": "t", "text": "\n"}]}, {"type": "t", "text": "\n\n"}, {"type": "p", "children": [{"type": "t", "text": "\nEmerging evidence further reveals that PRDX2 has multifaceted roles in metabolic and developmental processes. In models of diet‐induced fatty liver and obesity, alterations in redox balance mediated by PRDX2 affect mitochondrial function and insulin sensitivity. In reproductive immunology, its regulated expression in uterine natural killer cells appears to contribute to maternal–fetal tolerance, whereas its dynamic post‐translational modifications (such as nitrosylation) influence stem cell differentiation and tissue remodeling. Moreover, reduced PRDX2 levels in vascular and skeletal tissues have been associated with pathological remodeling in atherosclerosis and impaired osteoblast differentiation, highlighting its relevance as a therapeutic target in conditions characterized by chronic oxidative stress."}, {"type": "fg", "children": [{"type": "fg_fs", "start_ref": "22", "end_ref": "35"}]}, {"type": "t", "text": "\n"}]}, {"type": "rg", "children": [{"type": "r", "ref": 1, "children": [{"type": "t", "text": "A Bast, G Wolf, I Oberbäumer, et al. 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| NCBI Gene ID | 107984640 |
| API | |
| Download Associations | |
| Predicted Functions |
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| Co-expressed Genes |
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| Expression in Tissues and Cell Lines |
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LBHD2 has 377 functional associations with biological entities spanning 6 categories (functional term, phrase or reference, disease, phenotype or trait, chemical, cell line, cell type or tissue, gene, protein or microRNA, sequence feature) extracted from 13 datasets.
Click the + buttons to view associations for LBHD2 from the datasets below.
If available, associations are ranked by standardized value
| Dataset | Summary | |
|---|---|---|
| CM4AI KOLF21J CRISPRi Gene Perturbation Atlas | gene perturbations changing expression of LBHD2 gene from the CM4AI KOLF21J CRISPRi Gene Perturbation Atlas dataset. | |
| COMPARTMENTS Text-mining Protein Localization Evidence Scores 2025 | cellular components co-occuring with LBHD2 protein in abstracts of biomedical publications from the COMPARTMENTS Text-mining Protein Localization Evidence Scores 2025 dataset. | |
| DISEASES Experimental Gene-Disease Association Evidence Scores 2025 | diseases associated with LBHD2 gene in GWAS datasets from the DISEASES Experimental Gene-Disease Assocation Evidence Scores 2025 dataset. | |
| DISEASES Text-mining Gene-Disease Association Evidence Scores 2025 | diseases co-occuring with LBHD2 gene in abstracts of biomedical publications from the DISEASES Text-mining Gene-Disease Assocation Evidence Scores 2025 dataset. | |
| GTEx eQTL 2025 | SNPs regulating expression of LBHD2 gene from the GTEx eQTL 2025 dataset. | |
| JASPAR Predicted Human Transcription Factor Targets 2025 | transcription factors regulating expression of LBHD2 gene predicted using known transcription factor binding site motifs from the JASPAR Predicted Human Transcription Factor Targets dataset. | |
| Kinase Library Serine Threonine Kinome Atlas | kinases that phosphorylate LBHD2 protein from the Kinase Library Serine Threonine Atlas dataset. | |
| PerturbAtlas Signatures of Differentially Expressed Genes for Gene Perturbations | gene perturbations changing expression of LBHD2 gene from the PerturbAtlas Signatures of Differentially Expressed Genes for Gene Perturbations dataset. | |
| PerturbAtlas Signatures of Differentially Expressed Genes for Mouse Gene Perturbations | gene perturbations changing expression of LBHD2 gene from the PerturbAtlas Signatures of Differentially Expressed Genes for Gene Perturbations dataset. | |
| Rummagene Transcription Factor Associations 2026 | transcription factors regulating expression of LBHD2 gene from the Rummagene Transcription Factor Associations 2026 dataset. | |
| RummaGEO Drug Perturbation Signatures | drug perturbations changing expression of LBHD2 gene from the RummaGEO Drug Perturbation Signatures dataset. | |
| RummaGEO Gene Perturbation Signatures | gene perturbations changing expression of LBHD2 gene from the RummaGEO Gene Perturbation Signatures dataset. | |
| TISSUES Text-mining Tissue Protein Expression Evidence Scores 2025 | tissues co-occuring with LBHD2 protein in abstracts of biomedical publications from the TISSUES Text-mining Tissue Protein Expression Evidence Scores 2025 dataset. | |