TPS01 Antibody

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Description

Target Overview: TPSAB1 (Tryptase alpha/beta 1)

TPSAB1 is a serine protease predominantly expressed in mast cells, playing roles in innate immunity, tissue remodeling, and inflammatory responses . It cleaves substrates like fibronectin and activates protease-activated receptors (PARs) . Elevated TPSAB1 levels correlate with allergic reactions, asthma, and mastocytosis .

Key Antibodies Targeting TPSAB1

Clone/ProductHostReactivityApplicationsCitations/Validation
83518-1-PBS RabbitHumanELISA, Cytometric bead arrayRecombinant validated
PB10016 RabbitHumanIHC, WB, ELISA30+ publications
C16 (AA 151-275) MouseDogWB, IHC, IPProtein A/G purified
13343-1-AP RabbitHuman, Mouse, RatWB, IHC, IF, FC9+ publications
TPSAB1/1961 MouseHumanIHC-P, Protein ArrayRecombinant fragment

Functional Insights

  • Diagnostic Use: TPSAB1 antibodies detect mast cell activation in biopsies for conditions like systemic mastocytosis .

  • Therapeutic Targets: Neutralizing TPSAB1 reduces bronchoconstriction in asthma models .

  • Mechanistic Studies: Antibodies like PB10016 (Boster Bio) reveal TPSAB1's role in extracellular matrix degradation during cancer metastasis .

Validation Data

  • Western Blot: Anti-TPSAB1 (13343-1-AP) detects bands at 32–38 kDa in human lung tissue .

  • Immunohistochemistry: Clone TPSAB1/1961 shows strong cytoplasmic staining in mast cells .

  • Cross-Reactivity: Most antibodies (e.g., 83518-1-PBS) are human-specific, but 13343-1-AP cross-reacts with mouse and rat .

Comparative Table

Parameter83518-1-PBS PB10016 13343-1-AP
HostRabbit IgGRabbit IgGRabbit IgG
ConjugationUnconjugatedLyophilizedUnconjugated
Storage-80°C (PBS buffer)-20°C (lyophilized)-20°C (50% glycerol)
Key ApplicationMultiplex assaysWB (30 kDa band)IF/ICC
ImmunogenTPSAB1 fusion proteinRecombinant proteinFusion protein

Recent Findings

  • Angiogenesis Inhibition: Thrombospondin-1 (TSP-1) antibodies (e.g., 18304-1-AP) synergize with TPSAB1 inhibitors to block tumor vascularization .

  • Neutrophil NETs: TPSAB1-mediated protease activity promotes neutrophil extracellular trap (NET) formation in breast cancer models .

  • Structural Insights: Epitope mapping (AA 151–275) confirms antibody binding to the catalytic domain .

Challenges and Limitations

  • Species Specificity: Most antibodies lack cross-reactivity beyond humans .

  • Post-Translational Modifications: Glycosylation variants may affect antibody binding in WB .

  • Batch Variability: Recombinant antibodies (e.g., 83518-1-PBS) offer improved consistency .

Product Specs

Buffer
Preservative: 0.03% Proclin 300
Composition: 50% Glycerol, 0.01M PBS, pH 7.4
Form
Liquid
Lead Time
Made-to-order (14-16 weeks)
Synonyms
TPS01 antibody; TC1 antibody; TS1 antibody; At4g15870 antibody; dl3975c antibody; FCAALL.405 antibody; Terpenoid synthase 1 antibody; AtTPS01 antibody; EC 4.2.3.- antibody
Target Names
TPS01
Uniprot No.

Target Background

Database Links

KEGG: ath:AT4G15870

STRING: 3702.AT4G15870.1

UniGene: At.1833

Protein Families
Terpene synthase family, Tpsa subfamily
Subcellular Location
Cytoplasm.
Tissue Specificity
Expressed exclusively in siliques.

Q&A

What is TPS01 Antibody and how does it relate to other tryptase antibodies?

TPS01 Antibody appears to be related to the tryptase family of antibodies, similar to antibodies targeting Tryptase alpha/beta 1 (TPSAB1). Tryptase antibodies recognize serine proteases primarily found in mast cell granules and are crucial for studying mast cell activation in various physiological and pathological conditions .

While specific TPS01 information is limited in the available literature, tryptase antibodies generally function by recognizing epitopes within specific amino acid regions, such as those found in TPSAB1 antibodies that target regions like AA 151-275 . These antibodies are typically developed as research tools for applications including western blotting, immunohistochemistry, immunoprecipitation, and immunocytochemistry.

What are the primary research applications for TPS01 Antibody?

Based on related tryptase antibody applications, TPS01 Antibody would likely be utilized in several key research areas:

  • Detection and quantification of tryptase in tissue samples via immunohistochemistry

  • Assessment of tryptase expression in cell and tissue lysates using western blotting

  • Isolation of tryptase protein complexes through immunoprecipitation

  • Tracking subcellular localization of tryptase using immunocytochemistry

  • Investigation of mast cell involvement in inflammatory and allergic responses

  • Study of tryptase roles in various pathological conditions

The specific research application determines the optimal experimental conditions, including antibody dilution, incubation time, and detection method .

How should researchers optimize antibody concentration for experimental protocols?

Optimizing antibody concentration is critical for successful experiments and requires a systematic approach:

  • Start with manufacturer recommendations: Begin with the suggested dilution range if available, typically 1:500-1:2000 for western blotting and 1:100-1:500 for immunohistochemistry.

  • Perform titration experiments: Test multiple dilutions across a logarithmic scale to identify the optimal concentration that maximizes specific signal while minimizing background.

  • Consider application-specific factors:

    • For western blotting: Protein concentration, membrane type, and detection system sensitivity

    • For immunohistochemistry: Fixation method, antigen retrieval protocol, and tissue type

    • For immunoprecipitation: Lysate concentration and binding conditions

  • Validate with positive and negative controls: Include samples known to express or lack the target protein.

  • Document optimal conditions: Record detailed protocols for reproducibility across experiments .

What are the critical validation steps to confirm TPS01 Antibody specificity?

Validating antibody specificity is fundamental to ensuring reliable research results. For TPS01 Antibody, researchers should implement the following validation strategy:

  • Multiple detection methods: Confirm target recognition using different techniques (western blot, IHC, ICC).

  • Peptide competition assays: Pre-incubate the antibody with blocking peptides corresponding to the immunogen to demonstrate signal reduction.

  • Genetic approaches:

    • Use knockout/knockdown models where the target protein is absent

    • Compare detection in cell lines with known differential expression

  • Cross-reactivity assessment: Test against closely related proteins, especially other tryptase isoforms.

  • Epitope mapping: Determine the specific binding region through epitope truncation or mutation experiments.

  • Molecular weight confirmation: Verify that the detected protein matches the expected molecular weight of the target.

  • Reproducibility testing: Ensure consistent results across multiple experimental repeats .

How can researchers integrate computational approaches to predict TPS01 Antibody specificity?

Recent advancements in computational biology have revolutionized antibody research. Researchers can employ biophysics-informed models to predict and enhance TPS01 Antibody specificity:

  • Binding mode identification: Computational models can identify distinct binding modes associated with specific ligands, helping researchers understand how TPS01 Antibody might interact with its target epitope and potential cross-reactive molecules .

  • Specificity prediction: Machine learning approaches trained on high-throughput sequencing data from phage display experiments can predict antibody-antigen interactions beyond experimentally tested sequences .

  • Epitope-specific optimization: Models that disentangle multiple binding modes can guide the design of antibody variants with customized specificity profiles for closely related ligands .

  • Implementation methodology:

    • Collect high-coverage sequencing data from antibody selection experiments

    • Apply biophysical constraint modeling to extract binding features

    • Use inferential models to predict binding profiles for untested sequences

    • Design new antibody variants with desired specificity characteristics

This computational approach is particularly valuable when designing antibodies to discriminate between structurally and chemically similar ligands, a common challenge in tryptase research .

What considerations are important when using TPS01 Antibody for immunohistochemistry in different tissue types?

Successful immunohistochemistry (IHC) with TPS01 Antibody across diverse tissue types requires attention to tissue-specific factors:

  • Fixation optimization:

    • Formalin-fixed paraffin-embedded (FFPE) tissues: Typically require antigen retrieval

    • Frozen sections: May preserve epitopes better but have poorer morphology

    • Duration of fixation impacts epitope accessibility

  • Antigen retrieval customization:

    • Heat-induced epitope retrieval (HIER): Adjust pH (citrate buffer pH 6.0 vs. EDTA pH 9.0) based on tissue type

    • Enzymatic retrieval: Consider for certain connective tissues

  • Tissue-specific blocking:

    • High-mast cell tissues (skin, lung, intestine): Require robust blocking to reduce background

    • Tissues with endogenous peroxidase activity: Need additional quenching steps

  • Signal amplification considerations:

    • Low tryptase expression tissues: May benefit from tyramide signal amplification

    • High expression tissues: Standard detection systems usually sufficient

  • Counterstaining adaptation:

    • Adjust counterstain intensity based on tissue morphology requirements

    • Consider nuclear vs. cytoplasmic counterstains depending on tryptase localization

How should researchers approach contradictory results between different detection methods using TPS01 Antibody?

When facing contradictory results across different detection methods, researchers should implement a systematic troubleshooting approach:

  • Methodological verification:

    • Review protocol specifics for each technique (antibody concentration, incubation conditions)

    • Verify positive and negative controls performed as expected

    • Check for technique-specific artifacts or limitations

  • Epitope accessibility analysis:

    • Different methods expose epitopes differently

    • Sample preparation (denaturation in western blot vs. fixed tissue in IHC) affects epitope recognition

    • Consider if post-translational modifications might affect antibody binding

  • Quantitative reassessment:

    • Compare sensitivity thresholds across methods

    • Use quantitative standards when possible

    • Analyze whether contradictions are qualitative or quantitative

  • Cross-validation strategy:

    • Employ alternative antibodies targeting different epitopes

    • Use non-antibody detection methods (mRNA analysis, mass spectrometry)

    • Consider orthogonal functional assays

  • Biological context interpretation:

    • Evaluate if contradictions reflect genuine biological complexities

    • Consider protein isoforms, splice variants, or proteolytic processing

    • Assess if sample heterogeneity explains differences

What are the appropriate statistical approaches for analyzing semi-quantitative data from TPS01 Antibody experiments?

Analyzing semi-quantitative data from antibody experiments requires thoughtful statistical consideration:

Analysis TypeAppropriate Statistical TestsAssumptionsNotes for Implementation
Western Blot Densitometry- Paired t-test (two conditions)
- ANOVA with post-hoc tests (multiple conditions)
- Non-parametric alternatives (Mann-Whitney, Kruskal-Wallis)
- Normality (parametric tests)
- Equal variance
- Independent samples
- Normalize to housekeeping proteins
- Log-transform data if skewed
IHC Scoring- Chi-square (categorical scoring)
- Spearman correlation (ordinal data)
- Weighted kappa (inter-observer agreement)
- Categorical data
- Observer independence
- Use established scoring systems
- Employ multiple blinded observers
Flow Cytometry- Kolmogorov-Smirnov test
- Overton subtraction
- T-tests on median fluorescence intensity
- Large sample sizes
- Appropriate controls
- Compare fluorescence distribution shapes
- Analyze biological replicates
Multiplexed Assays- Multiple comparison corrections
- False discovery rate control
- Independence of measurements
- Multiple testing considerations
- Apply Bonferroni or Benjamini-Hochberg corrections
- Consider multivariate analyses

Key methodological recommendations:

  • Define endpoints and statistical approaches before data collection

  • Determine appropriate sample sizes through power analysis

  • Account for technical and biological replicates separately

  • Apply appropriate transformations for non-normal data

  • Consider hierarchical or mixed models when observations are not independent

How can TPS01 Antibody be utilized in multiplex immunoassays for comprehensive tissue profiling?

Multiplex immunoassays allow simultaneous detection of multiple targets, providing comprehensive tissue profiles. For integrating TPS01 Antibody into multiplex approaches:

  • Multiplex immunofluorescence methodology:

    • Select compatible fluorophores with minimal spectral overlap

    • Employ sequential staining protocols if antibody species overlap

    • Implement spectral unmixing algorithms for closely related fluorophores

    • Consider tyramide signal amplification for low-abundance targets

  • Antibody panel design considerations:

    • Test for antibody cross-reactivity before multiplexing

    • Validate staining patterns in single-plex before combining

    • Include markers for contextual cell populations (e.g., CD117 for mast cells)

    • Use nuclear counterstains for cell identification

  • Data acquisition and analysis:

    • Use multispectral imaging systems for accurate signal separation

    • Implement machine learning algorithms for cell classification

    • Apply spatial analysis tools to evaluate cellular relationships

    • Quantify co-localization using appropriate statistical measures

  • Validation approaches:

    • Compare multiplex results with single-plex controls

    • Use alternative detection methods to confirm findings

    • Include biological controls with known expression patterns

What are the current methodological approaches for using TPS01 Antibody in single-cell protein analysis?

Single-cell protein analysis with TPS01 Antibody represents an advanced research application with specific methodological considerations:

  • Mass cytometry (CyTOF) implementation:

    • Conjugate TPS01 Antibody with rare earth metals

    • Optimize staining concentration through titration experiments

    • Validate metal-conjugated antibody performance against fluorescent version

    • Design comprehensive antibody panels (30+ markers) including lineage markers

  • Single-cell western blotting approach:

    • Optimize cell capture on specialized microwell plates

    • Adjust lysis conditions to maintain protein integrity

    • Calibrate antibody concentration for microvolume applications

    • Implement image analysis algorithms for accurate quantification

  • Microfluidics-based methods:

    • Design compatible microfluidic chips for cell capture

    • Develop on-chip staining protocols with optimized antibody concentration

    • Create protocols for sequential staining if needed

    • Establish imaging parameters for microfluidic devices

  • Integration with transcriptomics:

    • Combine protein and RNA measurement through CITE-seq approach

    • Design compatible oligo-tagged antibodies

    • Optimize staining conditions to preserve RNA quality

    • Develop computational methods to integrate protein and RNA data

What are the systematic approaches for troubleshooting non-specific binding with TPS01 Antibody?

Non-specific binding is a common challenge in antibody-based experiments. Researchers can address this issue through systematic troubleshooting:

  • Blocking optimization:

    • Test different blocking agents (BSA, serum, commercial blockers)

    • Adjust blocking time and temperature

    • Consider specialized blockers for high-background tissues

  • Antibody dilution refinement:

    • Perform serial dilutions to find optimal concentration

    • Balance signal-to-noise ratio through titration experiments

    • Consider using more sensitive detection methods to allow higher dilutions

  • Buffer modification strategy:

    • Adjust salt concentration to reduce ionic interactions

    • Add detergents (Tween-20, Triton X-100) to reduce hydrophobic binding

    • Include carrier proteins to prevent non-specific interactions

  • Pre-adsorption techniques:

    • Pre-incubate antibody with proteins from species of the sample

    • Use tissue powder from negative control samples

    • Employ commercially available adsorption matrices

  • Alternative detection systems:

    • Switch between direct and indirect detection methods

    • Test different secondary antibodies if applicable

    • Consider alternative chromogens or fluorophores

How can researchers establish robust quality control measures for long-term TPS01 Antibody storage and use?

Maintaining antibody quality over time is crucial for experimental reproducibility. Implement these quality control measures:

  • Storage condition optimization:

    • Aliquot antibodies to minimize freeze-thaw cycles

    • Maintain consistent storage temperature (-20°C or -80°C as recommended)

    • Consider adding preservatives (sodium azide) for refrigerated storage

    • Protect from light if fluorophore-conjugated

  • Regular validation testing:

    • Establish baseline performance metrics when antibody is first received

    • Perform periodic validation using consistent positive controls

    • Document signal intensity and specificity over time

    • Implement standardized protocols for validation testing

  • Lot-to-lot consistency verification:

    • Test new lots against previous lots before depleting old stock

    • Document lot numbers and observe any performance differences

    • Consider maintaining a reference standard for comparison

  • Degradation monitoring approach:

    • Track changes in antibody performance over time

    • Monitor background levels as indicator of potential degradation

    • Establish clear criteria for determining when an antibody is no longer usable

  • Electronic record management:

    • Maintain detailed records of antibody source, lot, performance

    • Document all validation experiments with images and quantitative data

    • Establish criteria for antibody replacement

How might AI-driven approaches enhance antibody design and specificity prediction for TPS01-related research?

Recent advances in artificial intelligence are transforming antibody research and design:

  • AI-enhanced antibody design:

    • Fine-tuned models like RFdiffusion can design human-like antibodies with specific binding properties

    • AI systems can generate antibody blueprints targeting specified epitopes

    • Computational approaches allow for designing antibodies that can discriminate between structurally similar ligands

  • Methodology for implementation:

    • Train models on existing antibody structures and sequences

    • Use specialized AI approaches for predicting flexible regions like antibody loops

    • Validate computational designs through experimental testing

    • Iterate between computational prediction and experimental validation

  • Applications to tryptase antibody research:

    • Design antibodies with enhanced specificity for particular tryptase isoforms

    • Generate antibodies targeting specific conformational states

    • Develop antibodies with reduced cross-reactivity to related serine proteases

    • Create antibodies with customized binding properties for specific research applications

  • Advantages over traditional approaches:

    • Significantly reduces experimental screening requirements

    • Allows precise engineering of binding properties

    • Enables design of antibodies against challenging targets

    • Provides structural insights into antibody-antigen interactions

What methodological considerations are important when using TPS01 Antibody in conjunction with emerging spatial biology platforms?

Integrating TPS01 Antibody into spatial biology research requires specific methodological adaptations:

  • Spatial transcriptomics integration:

    • Optimize tissue preparation for both protein and RNA preservation

    • Validate antibody compatibility with spatial transcriptomics fixation protocols

    • Develop sequential staining approaches (protein then RNA)

    • Implement computational methods to co-register protein and transcript data

  • High-plex imaging considerations:

    • Test antibody performance in iterative staining/stripping cycles

    • Optimize elution conditions to remove antibody while preserving epitopes

    • Validate signal consistency across multiple cycles

    • Develop imaging protocols compatible with automated platforms

  • Sample preparation adaptations:

    • Adjust fixation protocols to preserve both spatial information and epitope recognition

    • Optimize sectioning thickness for optimal imaging resolution

    • Develop tissue clearing protocols compatible with antibody detection

    • Validate preservation of tissue architecture throughout processing

  • Data analysis approaches:

    • Implement cell segmentation algorithms appropriate for tissue context

    • Develop spatial statistics methods to quantify protein distribution patterns

    • Create visualization approaches for multi-parameter spatial data

    • Apply machine learning for pattern recognition across spatial datasets

Through these emerging technologies, researchers can place tryptase expression and activity within precise tissue contexts, advancing understanding of its biological roles in normal physiology and disease.

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