Organism: Encephalitozoon cuniculi (strain GB-M1), a microsporidian species .
Gene ID: ECU11_1980 (KEGG: ecu:ECU11_1980; STRING: 284813.NP_586504.1) .
Function: Microsporidian proteins like ECU11_1980 are often involved in host cell invasion, spore wall formation, or metabolic adaptation due to their highly reduced genomes .
Custom Production: Developed by Cusabio as a specialized reagent for research on microsporidian pathogenesis .
Host Species: Not explicitly stated but likely raised in rabbits or mice given standard practices.
Validation: Limited public data exist, but typical validation steps include:
| Application | Purpose |
|---|---|
| Pathogenesis Studies | Investigate ECU11_1980’s role in host-cell interaction and immune evasion. |
| Diagnostic Assays | Detect E. cuniculi in clinical samples (e.g., stool, tissue biopsies). |
| Therapeutic Development | Screen inhibitors targeting ECU11_1980 to disrupt parasite survival. |
While no direct studies on ECU11_1980 Antibody are published, broader research highlights critical considerations:
Specificity: Antibodies against microbial antigens require rigorous testing to avoid cross-reactivity with host proteins .
Reproducibility: Recombinant antibodies are preferred for consistency, but polyclonal reagents (like ECU11_1980 Antibody) may offer higher sensitivity in certain assays .
Data Gaps: The absence of peer-reviewed studies or commercial reviews for ECU11_1980 Antibody underscores the need for independent validation .
E11 Antibody (Hybridoma aE11): Binds C9 neoantigen in terminal complement complexes (TCC), used in inflammatory disease research .
Osteoblastic E11 Marker: Targets osteocyte-specific surface antigens, unrelated to ECU11_1980 despite naming similarity .
Anti-TRBC1 Antibodies: Highlight advancements in clonality assays for T-cell malignancies, emphasizing the importance of antibody specificity in diagnostics .
KEGG: ecu:ECU11_1980
STRING: 284813.NP_586504.1
ECU11_1980 Antibody is a research-grade reagent that targets the ECU11_1980 protein, which plays a significant role in DNA repair mechanisms. According to available data, this protein may regulate the activity of other proteins involved in maintaining genomic integrity . The antibody (product code CSB-PA844633XA01EKH) is designed specifically for research applications and should not be used in diagnostic or therapeutic procedures . The target protein has database identifiers in KEGG (ecu:ECU11_1980) and STRING (284813.NP_586504.1), which are useful for cross-referencing in bioinformatics analyses .
The ECU11_1980 protein appears to be involved in critical DNA repair pathways, though the specific mechanisms remain under active investigation. Research suggests it may function as a regulatory element that modulates the activity of protein complexes involved in recognizing and repairing DNA damage . Understanding these interactions is essential for researchers studying genomic stability, cellular responses to genotoxic stress, and related disease mechanisms. When designing experiments with ECU11_1980 Antibody, researchers should consider the potential biological contexts in which this protein functions.
Rigorous validation is critical for ensuring experimental reproducibility with ECU11_1980 Antibody. Based on established antibody validation protocols, researchers should implement the following methodological approach:
Immunoblot confirmation showing a single protein band (or specific multiple bands for protein isoforms) of the correct molecular weight in positive control samples
Comparison between known positive and negative control cell lines or tissues
Verification through genetic approaches (knockdown/knockout) where feasible
Cross-validation using multiple detection techniques (Western blot, immunoprecipitation, immunofluorescence)
Batch-to-batch consistency testing when using replacement antibody lots
For example, the validation process shown for other antibodies like KAT2A and DNMT3B demonstrates how proper controls confirm specificity, with corresponding intensity signals in both immunoblot and RPPA analyses .
Cross-reactivity represents a significant challenge when working with antibodies targeting proteins with homologous domains. To address this issue with ECU11_1980 Antibody:
Perform epitope mapping to understand which region of the protein the antibody recognizes
Conduct competitive binding assays with recombinant proteins containing similar domains
Test antibody reactivity in samples from different species if the protein is evolutionarily conserved
Compare signal patterns across multiple cell lines with varying expression levels of ECU11_1980 and related proteins
Include appropriate negative controls in all experiments, such as samples from tissues known not to express the target protein
For Western blotting applications with ECU11_1980 Antibody, the following methodological approach is recommended:
Sample preparation:
Extract proteins using lysis buffers containing protease inhibitors
Quantify total protein concentration (BCA or Bradford assay)
Prepare samples in loading buffer (typically with SDS and reducing agent)
Gel electrophoresis and transfer:
Separate proteins using SDS-PAGE (8-12% acrylamide depending on protein size)
Transfer to nitrocellulose or PVDF membrane using standard wet or semi-dry methods
Antibody incubation procedure:
Block membrane with 5% non-fat milk or BSA in TBST for 1 hour at room temperature
Incubate with ECU11_1980 Antibody at empirically determined optimal dilution (typically overnight at 4°C)
Wash 3-5 times with TBST (5-10 minutes each)
Incubate with HRP-conjugated secondary antibody for 1 hour at room temperature
Wash 3-5 times with TBST
Develop using chemiluminescence detection reagents
Controls and normalization:
Include positive and negative control samples
Use housekeeping proteins (β-actin, GAPDH) as loading controls
This protocol should be optimized for specific experimental conditions and sample types.
RPPA enables quantification of ECU11_1980 protein across hundreds of samples simultaneously. Based on established RPPA protocols, the integration process involves:
Sample preparation and printing:
Antibody probing:
Data acquisition and analysis:
Scan slides at multiple photomultiplier tube (PMT) settings (e.g., 550, 500, 460, 400, 380) for optimal dynamic range
Quantify signal intensity after background subtraction
Normalize to total protein assessed using SYPRO Ruby protein staining
Apply appropriate statistical methods for data interpretation
This approach allows simultaneous analysis of ECU11_1980 expression across large sample cohorts, enabling comprehensive proteomic studies.
Researchers frequently encounter several technical challenges when working with antibodies like ECU11_1980. The following table outlines common issues and their methodological solutions:
| Issue | Possible Causes | Troubleshooting Approaches |
|---|---|---|
| No signal | Insufficient antibody concentration, degraded antibody, absence of target protein | 1. Verify antibody activity with positive control 2. Increase antibody concentration 3. Reduce washing stringency 4. Check transfer efficiency (for Western blots) 5. Try alternative epitope retrieval methods |
| High background | Insufficient blocking, excessive antibody concentration, inadequate washing | 1. Extend blocking time 2. Dilute primary and secondary antibodies 3. Add additional washing steps 4. Use more stringent wash buffers 5. Pre-absorb secondary antibody if needed |
| Multiple bands | Cross-reactivity, protein degradation, post-translational modifications | 1. Include protease inhibitors in sample preparation 2. Use gradient gels for better resolution 3. Verify with alternative antibody targeting different epitope 4. Perform immunoprecipitation followed by mass spectrometry |
| Inconsistent results | Batch-to-batch antibody variation, sample preparation differences | 1. Standardize protocols 2. Test new antibody lots against reference samples 3. Maintain consistent incubation times and temperatures 4. Implement positive and negative controls in each experiment |
Systematic troubleshooting using this framework helps identify and resolve technical issues while maintaining experimental rigor.
When facing discrepancies between ECU11_1980 Antibody results and other approaches, employ this methodological investigation sequence:
Evaluate antibody validation data:
Review original validation experiments that established antibody specificity
Confirm that validation included relevant positive and negative controls
Verify that the antibody performs as expected in the specific assay conditions
Compare detection methods:
Assess whether the methods detect different epitopes or protein states
Consider whether sample preparation protocols differentially affect the target protein
Evaluate sensitivity limits of each method and potential for false positives/negatives
Analyze biological context:
Investigate if conflicting results reflect different protein isoforms or post-translational modifications
Consider cell type-specific or context-dependent protein expression patterns
Explore potential biological regulators that might affect protein detection
Implement confirmatory experiments:
Use orthogonal approaches (e.g., mass spectrometry) for target identification
Perform genetic manipulation (overexpression, knockdown) to validate antibody specificity
Consider using multiple antibodies targeting different epitopes of the same protein
This structured approach helps determine whether discrepancies reflect technical limitations or genuine biological complexity.
Advanced antibody engineering offers opportunities to expand ECU11_1980 Antibody utility. Based on current antibody technology developments, several approaches warrant consideration:
Nanobody conversion:
Universal CAR-T cell applications:
Antibody recycling technology:
Engineer for enhanced persistence through endosomal recycling
Modify the Fc region to improve pharmacokinetics
Develop pH-dependent binding characteristics to enable repeated antigen binding
Each adaptation requires rigorous validation and optimization for the specific application context.
Multiplex experimental designs require careful methodological planning to ensure compatibility and reliable results:
Antibody compatibility assessment:
Verify compatible buffer conditions for all antibodies in the panel
Test for potential cross-reactivity between antibodies
Ensure host species combinations allow for distinguishable secondary antibodies
Signal separation strategy:
Select antibodies with spectrally distinct fluorophores for direct multiplexing
Implement appropriate controls to assess and correct for spectral overlap
Consider sequential detection approaches if direct multiplexing proves problematic
Validation requirements:
Validate each antibody individually under identical conditions before multiplexing
Compare multiplex results with single-plex to ensure performance is not compromised
Include single-stain controls for accurate compensation in flow cytometry or imaging
Data analysis approach:
Apply appropriate normalization methods for multiplex data
Assess potential interference between detection channels
Implement computational methods for unmixing overlapping signals
These considerations ensure that multiplex experiments with ECU11_1980 Antibody yield interpretable and reliable results about the target protein in complex biological contexts.
Quantitative analysis of ECU11_1980 expression requires rigorous methodological approaches:
Western blot quantification:
Use calibrated imaging systems with linear dynamic range
Normalize to housekeeping proteins after verifying their stability across conditions
Apply lane normalization to account for loading variations
Use technical and biological replicates for statistical validity
RPPA data analysis:
Employ SuperCurve algorithms to fit response curves for protein concentration estimation
Normalize to total protein staining rather than single housekeeping proteins
Implement batch correction methods to enable cross-experimental comparisons
Apply appropriate statistical tests based on data distribution
Comparative analysis guidelines:
Use fold-change calculations for relative expression comparisons
Implement ANOVA or appropriate statistical tests for multi-condition comparisons
Apply multiple testing corrections when analyzing large datasets
Consider biological significance thresholds beyond statistical significance
This structured analytical approach ensures robust quantitative interpretation of ECU11_1980 expression data.
Integrative bioinformatic analyses can contextualize ECU11_1980 experimental findings:
Protein interaction network analysis:
Pathway enrichment analysis:
Multi-omics data integration:
Correlate protein expression with transcriptomic data to identify regulatory patterns
Integrate with post-translational modification datasets to understand protein regulation
Compare with genomic data to identify genetic variants affecting protein expression
Visualization approaches:
Develop heatmaps showing ECU11_1980 expression across experimental conditions
Create network visualizations highlighting protein interactions
Generate pathway diagrams incorporating experimental data
These bioinformatic approaches transform isolated experimental results into systems-level biological insights.