DTX15 Antibody

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Description

Overview of DTX1 Antibodies

DTX1 antibodies target the deltex homolog 1 protein, an E3 ubiquitin ligase encoded by the DTX1 gene (Gene ID: 1840). This protein regulates Notch signaling pathways, influencing cell differentiation and proliferation .

PropertyDTX1 Antibody Characteristics
Target ProteinDeltex E3 Ubiquitin Ligase 1 (UniProt: Q86Y01)
Molecular Weight67 kDa (observed); 620 amino acids
Host SpeciesRabbit, Mouse
ReactivityHuman, Mouse, Rat
ApplicationsWB, IHC, IF, ELISA

Antibody Structure

  • Format: Polyclonal or monoclonal IgG antibodies .

  • Epitope: Recognizes DTX1 fusion proteins, including regions with RING-type zinc fingers and WWE domains critical for ubiquitination .

Biological Role

DTX1 modulates Notch signaling by:

  • Promoting ubiquitination and degradation of MEKK1 .

  • Acting as a context-dependent regulator of cell fate in neural, endothelial, and reproductive tissues .

Experimental Data

ApplicationRecommended DilutionValidated Samples
Western Blot1:500–1:1000Daudi cells, A375 cells
Immunohistochemistry1:150–1:600Human colon, glioma, testis tissues
Immunofluorescence1:50–1:200Mouse olfactory epithelium

FDA-Evaluated Performance Metrics (IgG Antibodies)

ParameterValue95% CI
Sensitivity (PPA)98.1%89.9%–99.7%
Specificity (NPA)99.6%99.2%–99.8%
Positive Predictive Value (5% prevalence)92.8%85.8%–96.3%

Source: FDA-authorized serology tests

Research Implications

  • Cancer Research: DTX1 overexpression correlates with esophageal carcinoma progression and Notch pathway dysregulation .

  • Neurological Studies: Expressed in brain endothelial cells, suggesting roles in blood-brain barrier function .

Limitations and Considerations

  • Cross-Reactivity: Some antibodies may detect DTX4 due to sequence homology .

  • Validation: Optimal dilution varies by sample type; antigen retrieval with TE buffer (pH 9.0) is recommended for IHC .

Product Specs

Buffer
Preservative: 0.03% Proclin 300
Composition: 50% Glycerol, 0.01M Phosphate Buffered Saline (PBS), pH 7.4
Form
Liquid
Lead Time
Made-to-order (14-16 weeks)
Synonyms
DTX15 antibody; At2g34360 antibody; F13P17.20Protein DETOXIFICATION 15 antibody; AtDTX15 antibody; Multidrug and toxic compound extrusion protein 15 antibody; MATE protein 15 antibody
Target Names
DTX15
Uniprot No.

Target Background

Database Links
Protein Families
Multi antimicrobial extrusion (MATE) (TC 2.A.66.1) family
Subcellular Location
Membrane; Multi-pass membrane protein.

Q&A

What is DTX15 and what are its primary research applications?

DTX15 (also known as DETOXIFICATION 15) is a protein expressed in Arabidopsis thaliana that plays a role in detoxification pathways. The DTX15 antibody is primarily used for research applications including ELISA and Western Blot to detect and quantify DTX15 protein expression . This antibody enables researchers to investigate DTX15's role in plant detoxification mechanisms, stress responses, and cellular signaling pathways. Unlike some related proteins such as DTX1 (which has been studied in cancer research), DTX15 research has focused predominantly on plant biology applications .

What validation methods should be used to confirm DTX15 antibody specificity?

Proper validation of DTX15 antibody specificity requires a systematic approach similar to established antibody validation protocols. The gold standard involves comparing signals between wild-type samples and knockout/knockdown controls that lack DTX15 expression . A comprehensive validation should include:

  • Western blot analysis comparing DTX15-expressing and DTX15-knockout samples

  • Immunoprecipitation followed by mass spectrometry to confirm target identity

  • Immunofluorescence microscopy with appropriate controls

  • Testing across multiple experimental conditions to ensure consistent specificity

These methods help distinguish between specific binding to DTX15 and potential cross-reactivity with related proteins, which is crucial for experimental reliability .

What are the optimal storage and handling conditions for DTX15 antibodies?

DTX15 antibodies should be stored at -20°C or -80°C to maintain activity and specificity. Repeated freeze-thaw cycles should be avoided as they can compromise antibody integrity and performance . The antibody is typically provided in a liquid formulation containing 50% glycerol, 0.01M PBS (pH 7.4), and 0.03% Proclin 300 as a preservative . When working with the antibody, keep it on ice, use sterile technique, and follow these guidelines:

Storage ParameterRecommendation
Long-term storage-80°C in single-use aliquots
Working storage-20°C for up to 6 months
Diluted antibody4°C for up to 1 week
AvoidRepeated freeze-thaw cycles
Buffer conditionsMaintain original buffer when possible

Proper storage and handling are critical for maintaining antibody performance across experiments .

How should I design Western blot experiments using DTX15 antibody?

When designing Western blot experiments with DTX15 antibody, employ a systematic approach that includes proper controls and optimization steps. Begin with sample preparation by resolving protein lysates on 8-12% SDS-polyacrylamide gels and transferring to nitrocellulose membranes . The following protocol ensures reliable results:

  • Include positive controls (samples known to express DTX15) and negative controls (DTX15 knockout samples if available)

  • Start with antibody dilutions of 1:1000 and adjust based on signal intensity

  • Use a blocking solution of 5% non-fat milk or BSA in TBST

  • Incubate with primary antibody overnight at 4°C

  • Wash thoroughly (4-5 times with TBST) before secondary antibody application

  • Visualize using chemiluminescence detection systems

  • Validate results through replicate experiments

For optimal band detection, use HRP-conjugated secondary antibodies and chemiluminescence detection systems similar to those used for other antibodies in published protocols .

What controls are essential when using DTX15 antibody in immunofluorescence studies?

Immunofluorescence studies with DTX15 antibody require rigorous controls to ensure reliable interpretation of results. Essential controls include:

  • Positive tissue controls: Samples known to express DTX15

  • Negative controls:

    • Primary antibody omission

    • DTX15 knockout/knockdown samples

    • Isotype-matched irrelevant antibody controls

  • Blocking peptide controls: Competition assays with the immunizing peptide

  • Mosaic analysis: Testing parental and knockout cells in the same visual field to reduce imaging and analysis biases

Additionally, multiple microscopy settings and quantification methods should be employed to ensure robust signal detection while minimizing background fluorescence . This comprehensive approach allows for confident interpretation of DTX15 localization and expression patterns.

How can I optimize immunoprecipitation protocols using DTX15 antibody?

Optimizing immunoprecipitation (IP) protocols with DTX15 antibody requires attention to buffer conditions, antibody amounts, and validation strategies. For effective IP:

  • Use non-denaturing cell lysates for intracellular proteins or conditioned media for secreted proteins

  • Pre-clear lysates with appropriate beads to reduce non-specific binding

  • Titrate antibody amount (typically 1-5 μg per 500 μg of protein lysate)

  • Incubate with rotation overnight at 4°C for maximum antigen capture

  • Validate IP success through Western blot with a separate validated antibody against DTX15

  • Include appropriate negative controls (isotype-matched irrelevant antibody)

The effectiveness of IP can be assessed through subsequent Western blot analysis using a validated DTX15 antibody from a different source or raised against a different epitope, confirming the identity of the immunoprecipitated protein .

How can DTX15 antibody be integrated into high-throughput proteomic workflows?

Integrating DTX15 antibody into high-throughput proteomic workflows requires optimization for sensitivity and specificity at scale. A systematic approach includes:

  • Antibody validation at scale: Test across multiple experimental conditions using standardized protocols similar to YCharOS methodology

  • IP-MS integration: Couple immunoprecipitation with mass spectrometry to identify DTX15 interacting partners

  • Reverse Phase Protein Arrays (RPPA): Validate antibody performance in microarray formats

  • Automation compatibility: Ensure protocols work with automated liquid handlers

  • Data acquisition and analysis: Utilize NGS data analysis platforms for antibody-based proteomics, similar to those used for other antibodies

This integration allows for systematic analysis of DTX15 expression patterns across multiple experimental conditions, enabling discovery of novel interaction networks and regulatory mechanisms .

What approaches can resolve conflicting data from different DTX15 antibody clones?

When facing conflicting data from different DTX15 antibody clones, researchers should implement a systematic reconciliation strategy:

  • Epitope mapping: Determine the binding regions of each antibody clone

  • Cross-validation: Compare results using orthogonal techniques (e.g., mass spectrometry)

  • Knockout validation: Test all antibodies against DTX15 knockout samples

  • Computational modeling: Apply biophysics-informed modeling similar to that used for other antibodies to understand binding modes

  • Direct comparison: Side-by-side testing of all available antibodies against the same samples under identical conditions

These approaches help identify which antibody provides the most reliable results and understand why different antibodies might yield different experimental outcomes. This systematic evaluation is similar to the comprehensive antibody validation procedures described for other targets .

How can machine learning approaches enhance DTX15 antibody specificity prediction?

Machine learning approaches can significantly enhance prediction of DTX15 antibody specificity through several key strategies:

  • Binding mode identification: Computational models can identify different binding modes associated with particular ligands, improving prediction of cross-reactivity

  • Specificity profile customization: ML algorithms can design antibodies with customized specificity profiles, either specific for DTX15 or cross-specific with related proteins

  • Sequence-function relationships: Analysis of antibody sequences can predict binding properties without exhaustive experimental testing

  • Epitope mapping: Algorithms can predict antibody epitopes and potential cross-reactive regions

  • Energy function optimization: Minimizing or maximizing energy functions associated with specific binding modes can generate novel antibody sequences with desired specificity profiles

These computational approaches complement experimental validation and can accelerate the development of highly specific DTX15 antibodies, similar to methods used for other antibody targets .

What are common pitfalls in DTX15 immunodetection and how can they be addressed?

Common pitfalls in DTX15 immunodetection include non-specific binding, background signal, and inconsistent results. Address these issues with these strategies:

IssueCauseSolution
Non-specific bandsCross-reactivityUse knockout controls; optimize antibody concentration
High backgroundInsufficient blockingIncrease blocking time; try different blocking agents
No signalProtein degradationUse fresh samples; add protease inhibitors
Inconsistent resultsProtocol variationStandardize conditions; use positive controls
False positivesSecondary antibody cross-reactivityTest secondary alone; use isotype controls

Implementation of a standardized validation approach using parental and knockout cell lines, similar to methodologies used for other antibodies, can significantly improve detection reliability .

How can researchers validate DTX15 antibody performance across different experimental platforms?

Validating DTX15 antibody performance across different experimental platforms requires a multi-technique approach:

  • Cross-platform testing: Systematically test the antibody in Western blot, immunoprecipitation, immunofluorescence, and ELISA using standardized samples

  • Quantitative assessment: Measure signal-to-noise ratios and dynamic range across techniques

  • Orthogonal validation: Confirm findings using antibody-independent methods (e.g., mass spectrometry, RNA expression)

  • Reproducibility testing: Assess performance across different labs and operators

  • Batch-to-batch variation: Test multiple antibody lots to ensure consistent performance

This comprehensive validation strategy, similar to the standardized characterization approach described for other antibodies, ensures consistent performance regardless of the experimental platform .

What analytical approaches can distinguish between DTX15 and related family members?

Distinguishing DTX15 from related family members requires sophisticated analytical approaches:

  • Epitope-specific antibodies: Use antibodies targeting unique regions of DTX15 not conserved in related proteins

  • Bioinformatic sequence analysis: Identify unique peptide sequences in DTX15 compared to related proteins

  • Competitive binding assays: Employ peptide competition to demonstrate specificity

  • Knockout controls: Use knockout lines for DTX15 and related proteins to verify antibody specificity

  • Mass spectrometry validation: Confirm identity of immunoprecipitated proteins through peptide sequencing

  • Cross-reactivity profiling: Systematically test against related family members (e.g., DTX1)

These approaches help ensure that observed signals are truly representative of DTX15 and not related family members, preventing misinterpretation of experimental results .

How should researchers interpret DTX15 expression patterns in comparative studies?

When interpreting DTX15 expression patterns in comparative studies, researchers should:

  • Normalize properly: Use multiple housekeeping controls appropriate for the tissue/condition

  • Account for technical variation: Implement statistical methods that consider batch effects

  • Establish baselines: Determine normal expression ranges in relevant tissues/conditions

  • Consider post-translational modifications: Assess whether antibody detection is affected by protein modifications

  • Evaluate biological context: Interpret results in light of known DTX15 functions and regulatory pathways

  • Apply appropriate statistics: Use statistical tests suited to the experimental design and data distribution

This careful approach to data interpretation helps prevent overinterpretation and ensures that observed differences in DTX15 expression are biologically meaningful rather than technical artifacts.

What clustering and filtering techniques are most effective for DTX15 antibody-derived NGS data?

For DTX15 antibody-derived NGS data, several clustering and filtering techniques prove particularly effective:

  • Quality filtering: Remove low-quality reads and adapter sequences before analysis

  • CDR3 clustering: Group sequences based on complementarity-determining region 3 similarity

  • Germline gene classification: Categorize sequences by their germline gene usage

  • Diversity analysis: Apply metrics such as Shannon diversity index to quantify repertoire diversity

  • Sequence-function mapping: Correlate sequence features with binding characteristics

  • Heat map visualization: Display relationships between genes in sequences using heat map graphs

These techniques, similar to those employed for antibody NGS data analysis for other targets, help identify patterns and relationships within large-scale DTX15 antibody datasets .

How can researchers integrate DTX15 antibody data with other -omics datasets?

Integration of DTX15 antibody data with other -omics datasets requires sophisticated computational approaches:

  • Multi-omics correlation: Correlate DTX15 protein levels with transcriptomic, metabolomic, and genomic data

  • Pathway enrichment analysis: Identify biological pathways associated with DTX15 expression patterns

  • Network analysis: Construct protein-protein interaction networks incorporating DTX15

  • Temporal analysis: Align time-course data across different -omics platforms

  • Systems biology modeling: Develop mathematical models incorporating DTX15's role in biological systems

  • Visualization tools: Utilize specialized software for integrated data visualization

Such integration provides a holistic view of DTX15's biological context and function, similar to approaches used for understanding other proteins in a systems biology context.

What emerging technologies could enhance DTX15 antibody development and applications?

Several emerging technologies hold promise for enhancing DTX15 antibody development and applications:

  • Computational antibody design: Utilize algorithms to design antibodies with customized specificity profiles for DTX15, similar to approaches described for other targets

  • Single-cell antibody sequencing: Apply single-cell technologies to identify highly specific anti-DTX15 antibodies

  • Cryo-EM epitope mapping: Determine precise binding sites through structural analysis

  • Nanobody engineering: Develop smaller antibody fragments with enhanced tissue penetration

  • Bispecific antibodies: Create antibodies that simultaneously target DTX15 and another relevant protein

  • AI-driven affinity maturation: Optimize binding affinity through machine learning approaches

These technologies could significantly advance the quality and applications of DTX15 antibodies in research settings.

How might DTX15 antibody research inform broader understanding of plant biology mechanisms?

DTX15 antibody research has significant potential to inform broader understanding of plant biology through:

  • Stress response mechanisms: Elucidating DTX15's role in plant responses to environmental stressors

  • Detoxification pathways: Mapping molecular networks involved in xenobiotic metabolism

  • Comparative biology: Understanding conserved detoxification mechanisms across plant species

  • Developmental regulation: Investigating DTX15 expression patterns during plant development

  • Environmental adaptation: Exploring how DTX15 function contributes to plant adaptation to different environments

  • Biotechnology applications: Developing plants with enhanced detoxification capabilities

This research provides insights into fundamental plant biology processes and potentially informs agricultural applications for improved crop resilience.

What standardization efforts are needed to improve reproducibility in DTX15 antibody research?

Improving reproducibility in DTX15 antibody research requires several standardization efforts:

  • Validation reporting: Establish minimum information standards for antibody validation, similar to the comprehensive antibody characterization approach described in

  • Reference materials: Develop standard positive and negative controls for DTX15 detection

  • Protocol standardization: Create consensus protocols for common applications

  • Data sharing: Establish repositories for sharing raw data and validation results

  • Metadata standards: Define essential experimental details that must accompany published results

  • Interlaboratory testing: Conduct ring trials to assess reproducibility across different labs

These standardization efforts, modeled after successful initiatives for other antibodies, would significantly enhance data quality and reproducibility in DTX15 research .

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