C24G6.8 Antibody
Description
Gene and Protein Characteristics
The C24G6.8 gene encodes nca-1, a homolog of mammalian calcium-activated potassium channels. Key features include:
| Property | Details |
|---|---|
| Gene ID | C24G6.8 (WormBase: WBGene00006343) |
| Protein Class | Calcium channel (Ca<sup>++</sup>) |
| Expression | Enriched in VA and DA motor neurons (Table 1) |
| Orthologs | Human KCNMA1 (BK channels) |
Table 1: Expression Profile of C24G6.8 in C. elegans Neurons
| Tissue | Fold Change (LP) | Neuron Specificity |
|---|---|---|
| VA Motor Neurons | 2.3 | √ |
| DA Motor Neurons | 2.2 | √ |
Functional Insights
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Neuronal Activity Regulation: The nca-1 protein modulates calcium flux in motor neurons, affecting locomotion and synaptic transmission .
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Genetic Knockout Phenotypes: Deletion mutants of C24G6.8 exhibit hypersensitivity to exogenous dopamine and serotonin, suggesting disrupted monoamine signaling .
Antibody Applications
Antibodies against C24G6.8/nca-1 are primarily used in:
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Immunohistochemistry: Localizing nca-1 expression in C. elegans neuronal subsets (e.g., VA/DA neurons) .
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Behavioral Studies: Correlating calcium channel function with chemosensory responses .
Research Findings
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Expression Mapping: C24G6.8 transcripts are 2.3-fold upregulated in larval-stage neurons compared to embryonic stages, indicating developmental regulation .
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Functional Redundancy: Genetic redundancy with paralogs (e.g., nca-2) complicates phenotypic analysis, necessitating antibody-based validation .
Technical Considerations
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Antibody Validation: Cross-reactivity with related calcium channels (e.g., nca-2) requires stringent controls in Western blotting .
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Species Specificity: No cross-reactivity with mammalian homologs confirmed in comparative studies .
Limitations and Future Directions
Current data on the C24G6.8 antibody remain sparse, with most insights derived from indirect genetic studies. Future research should prioritize:
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Structural characterization of the nca-1 epitope.
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High-resolution imaging to define subcellular localization.
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Functional assays linking calcium dynamics to behavior.
