ZNF280D Antibody

What is ZNF280D and what are its alternative names?

ZNF280D (Zinc Finger Protein 280D) is a protein that may function as a transcription factor. It is also known by several alternative names:

• Suppressor of Hairy Wing Homolog 4 (SUHW4)

• Zinc Finger Protein 634 (ZNF634)

• KIAA1584

• FLJ20086

The gene is located on chromosome 15q21.3, contains 24 possible exons, and spans approximately 288.396 kb on the minus strand. The protein is 979 amino acids long and contains a domain of unknown function (DUF4195) from amino acid 45 to 230 .

What applications are ZNF280D antibodies validated for?

ZNF280D antibodies have been validated for multiple experimental applications, depending on the specific antibody:

When selecting an antibody for your specific application, it's advisable to choose one that has been experimentally validated for that particular technique .

What species reactivity is available for ZNF280D antibodies?

The species reactivity varies by specific antibody:

For cross-species studies, selecting antibodies with validated reactivity to your target species is crucial for reliable results .

How should ZNF280D antibodies be stored and handled to maintain optimal performance?

Proper storage and handling of ZNF280D antibodies is essential for maintaining their efficacy:

Storage recommendations:

• Long-term storage: -20°C for up to one year

• Short-term/frequent use: 4°C for up to one month

• Avoid repeated freeze-thaw cycles as this can degrade antibody quality and performance

Handling considerations:

• Most ZNF280D antibodies are supplied in buffered solutions containing glycerol (typically 50%) and stabilizers like BSA (0.5%)

• Some formulations may contain preservatives such as sodium azide (0.02%)

• When diluting for applications, use appropriate buffers as recommended in the product-specific protocols

Following these storage and handling guidelines will help ensure consistent antibody performance across experiments .

What are the recommended protocols for Western blotting using ZNF280D antibodies?

For optimal Western blotting results with ZNF280D antibodies:

Sample preparation:

• Extract proteins from your samples using standard lysis buffers

• Determine protein concentration for equal loading

• Prepare samples with reducing loading buffer and heat at 95°C for 5 minutes

Electrophoresis and transfer:

• Load 10-30 μg of total protein per lane on SDS-PAGE gels

• Separate proteins by standard electrophoresis

• Transfer proteins to PVDF or nitrocellulose membranes

Antibody incubation:

• Block membranes with 5% non-fat milk or BSA in TBST for 1 hour at room temperature

• Incubate with primary ZNF280D antibody at dilutions between 0.04-0.4 μg/mL overnight at 4°C

• Wash membranes thoroughly with TBST

• Incubate with appropriate HRP-conjugated secondary antibody

• Wash and develop using chemiluminescence detection

Expected results:
The ZNF280D protein has a calculated molecular weight of approximately 109 kDa , but actual migration may vary depending on post-translational modifications.

Optimization of antibody concentration and incubation conditions may be necessary depending on your specific experimental system .

What controls should be included when using ZNF280D antibodies for experimental validation?

Proper controls are essential for ensuring the validity of results when using ZNF280D antibodies:

Positive controls:

• Cell lines known to express ZNF280D (based on literature)

• Recombinant ZNF280D protein

• Overexpression systems with tagged ZNF280D

Negative controls:

• Cell lines with ZNF280D knockout/knockdown

• Secondary antibody only (no primary antibody)

• Pre-absorption of antibody with immunizing peptide when available

• Isotype controls matching the primary antibody's host species and isotype

Technical controls:

• Loading controls for Western blotting (e.g., housekeeping proteins like β-actin or GAPDH)

• Tissue controls with known expression patterns for IHC/IF

• Non-specific binding controls (e.g., inclusion of blocking peptides)

Implementing these controls will help distinguish specific from non-specific signals and validate the antibody's performance in your specific experimental context .

How can researchers verify the specificity of ZNF280D antibodies for their application?

Verifying antibody specificity is crucial for obtaining reliable results:

Methods to confirm antibody specificity:

• Genetic validation:

  • Compare signal between wild-type and ZNF280D knockout/knockdown models

  • Overexpression studies with tagged ZNF280D constructs

• Peptide competition assays:

  • Pre-incubate antibody with excess immunizing peptide

  • A specific antibody will show diminished or absent signal after peptide competition

• Multiple antibody validation:

  • Use different antibodies targeting distinct ZNF280D epitopes

  • Consistent results between antibodies increase confidence in specificity

• Mass spectrometry validation:

  • Perform immunoprecipitation followed by mass spectrometry

  • Confirm that ZNF280D is the predominant protein detected

• Cross-reactivity testing:

  • Test the antibody against related zinc finger proteins

  • Ensure signal is specific to ZNF280D and not related family members

This multi-faceted approach to validation will significantly enhance confidence in antibody specificity and experimental results .

How can ZNF280D antibodies be used in chromatin immunoprecipitation (ChIP) experiments?

While standard ChIP protocols using ZNF280D antibodies have not been extensively documented in the provided search results, researchers can adapt general ChIP methodology:

ChIP protocol optimization for ZNF280D:

• Crosslinking and chromatin preparation:

  • Crosslink protein-DNA complexes with 1% formaldehyde for 10 minutes

  • Quench with glycine and isolate nuclei

  • Sonicate chromatin to 200-500 bp fragments

  • Verify fragmentation by agarose gel electrophoresis

• Immunoprecipitation with ZNF280D antibody:

  • Pre-clear chromatin with protein A/G beads

  • Incubate cleared chromatin with ZNF280D antibody (3-5 μg per IP reaction)

  • Include appropriate controls (IgG control, input sample)

  • Incubate overnight at 4°C with rotation

• Washing and elution:

  • Wash immunoprecipitated complexes with increasing stringency buffers

  • Elute protein-DNA complexes and reverse crosslinks

  • Purify DNA for downstream analysis

• Analysis methods:

  • qPCR for candidate binding sites

  • ChIP-seq for genome-wide binding profile

  • Compare binding profiles with transcriptome data to identify potential regulatory targets

As ZNF280D is thought to function as a transcription factor , ChIP experiments could provide valuable insights into its DNA binding sites and regulatory functions.

What considerations should be made when using ZNF280D antibodies in multiplexed immunofluorescence?

For successful multiplexed immunofluorescence with ZNF280D antibodies:

Panel design considerations:

• Antibody compatibility:

  • Select antibodies from different host species to avoid cross-reactivity

  • If using multiple rabbit antibodies, consider sequential staining with stripping between rounds

  • Use directly conjugated antibodies when possible to minimize cross-reactivity

• Signal separation:

  • Choose fluorophores with minimal spectral overlap

  • Include single-stain controls for spectral unmixing

  • Optimize signal-to-noise ratio for each antibody

• Subcellular localization analysis:

  • ZNF280D is expected to have nuclear localization as a transcription factor

  • Include nuclear counterstain (e.g., DAPI) for co-localization studies

  • Consider including markers for subcellular compartments for detailed localization analysis

• Protocol optimization:

  • Test each antibody individually before multiplexing

  • Optimize fixation conditions (paraformaldehyde vs. methanol)

  • Determine optimal antibody concentration for specific signal

  • Test different antigen retrieval methods if necessary

• Image acquisition and analysis:

  • Use appropriate controls for autofluorescence subtraction

  • Employ consistent exposure settings across experimental groups

  • Consider automated image analysis for quantification

Successful multiplexed immunofluorescence can provide insights into ZNF280D's co-localization with interaction partners and its distribution in different cell types or under various conditions .

What are common issues encountered when using ZNF280D antibodies and how can they be resolved?

Researchers may encounter several challenges when working with ZNF280D antibodies:

Methodical troubleshooting and optimization can significantly improve experimental outcomes when working with ZNF280D antibodies .

How can researchers approach epitope mapping when working with ZNF280D antibodies?

Epitope mapping can provide crucial information about antibody binding regions and help interpret experimental results:

Approaches to epitope mapping for ZNF280D antibodies:

• Peptide array analysis:

  • Screen overlapping peptides spanning the ZNF280D sequence

  • Identify specific binding regions using labeled antibodies

  • Confirm with competition assays using soluble peptides

• Truncation constructs:

  • Generate expression constructs with progressive truncations of ZNF280D

  • Express in suitable systems and perform Western blotting

  • Determine which constructs maintain antibody recognition

• Domain-specific analysis:

  • Focus on known domains within ZNF280D, including:

    • DUF4195 domain (amino acids 45-230)

    • Zinc finger motifs

  • Create domain-deletion constructs to assess antibody binding

• Computational prediction:

  • Use epitope prediction algorithms to identify likely binding regions

  • Compare with experimentally determined epitopes

  • Consider structural information if available

Understanding the exact epitope recognized by a ZNF280D antibody can help:

• Interpret results in the context of protein structure and function

• Predict potential cross-reactivity with related proteins

• Design experiments that account for epitope accessibility in different applications

Several commercial ZNF280D antibodies target specific amino acid regions (e.g., AA 1-158, AA 540-589, AA 879-929) , which can guide epitope mapping strategies.

How can ZNF280D antibodies contribute to understanding its role in disease pathways?

ZNF280D antibodies can be valuable tools for investigating potential disease associations:

Research applications in disease contexts:

• Expression analysis in disease tissues:

  • Compare ZNF280D protein levels in normal versus diseased tissues

  • Use immunohistochemistry to analyze expression patterns in tissue microarrays

  • Correlate expression with clinical parameters and outcomes

• Interaction studies:

  • Use co-immunoprecipitation with ZNF280D antibodies to identify interaction partners

  • Compare interaction networks between normal and disease states

  • Validate interactions using proximity ligation assays or FRET

• Functional studies:

  • Investigate changes in ZNF280D localization during disease progression

  • Examine post-translational modifications using modification-specific antibodies

  • Analyze binding to target genes in disease models using ChIP-seq

• Translational applications:

  • Develop tissue-based diagnostics if ZNF280D emerges as a biomarker

  • Monitor ZNF280D in intervention studies to assess target engagement

  • Use as a companion diagnostic if ZNF280D becomes a therapeutic target

While current research on ZNF280D's role in diseases is limited, antibody-based studies could reveal previously unknown associations with human pathologies.

What emerging technologies can enhance the utility of ZNF280D antibodies in research?

Several cutting-edge technologies can expand the applications of ZNF280D antibodies:

Emerging technologies for ZNF280D research:

• Single-cell protein analysis:

  • Combine ZNF280D antibodies with single-cell Western blotting

  • Apply mass cytometry (CyTOF) with metal-conjugated ZNF280D antibodies

  • Implement single-cell proteomics to analyze ZNF280D in rare cell populations

• Super-resolution microscopy:

  • Use fluorophore-conjugated ZNF280D antibodies for STORM or PALM imaging

  • Investigate fine subcellular localization and co-localization with resolution below diffraction limit

  • Analyze dynamic changes in ZNF280D localization during cellular processes

• Spatial transcriptomics/proteomics:

  • Combine ZNF280D antibody staining with spatial transcriptomics

  • Map protein expression patterns in tissue contexts while preserving spatial information

  • Correlate with expression of target genes to understand regulatory networks

• Antibody engineering:

  • Develop recombinant antibody formats (Fab, scFv) for improved tissue penetration

  • Create bispecific antibodies to simultaneously target ZNF280D and interaction partners

  • Engineer antibodies for intracellular delivery to block specific protein-protein interactions

• Proximity-based proteomics:

  • Adapt ZNF280D antibodies for proximity labeling (BioID, APEX)

  • Identify proteins in close proximity to ZNF280D in living cells

  • Map the dynamic interactome under different cellular conditions

These advanced technologies can provide unprecedented insights into ZNF280D function and regulation, potentially revealing new roles in cellular processes and disease pathways .