MYOB7 Antibody

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Description

MYH7 Antibodies

MYH7 (myosin heavy chain 7) is a cardiac and skeletal muscle protein critical for muscle contraction. Mutations in MYH7 are linked to hypertrophic cardiomyopathy and skeletal myopathies.

Key Antibodies and Applications:

Antibody NameHost SpeciesClonalityApplicationsTarget SpeciesCitations
MYH7 (A4.840) Mouse (IgM)MonoclonalWB, IP, IF, IHC(P)Human, Mouse, Rat, Avian34+
MYH7 (MAB90961) RabbitMonoclonalWB, ICC/IFHumanN/A
Slow Skeletal MYH7 MouseMonoclonalWB, IHC(P)Human, Rat, Rabbit110+

Research Highlights:

  • Structural Role: MYH7 forms heterohexamers with light chains, enabling ATP-dependent force generation in muscle fibers .

  • Disease Links: MYH7 mutations disrupt sarcomere function, leading to cardiac hypertrophy and muscle atrophy .

  • Commercial Availability: Antibodies like A4.840 (Santa Cruz Biotechnology) and MAB90961 (R&D Systems) are validated for cardiac tissue analysis .

MYO7B Antibodies

MYO7B (myosin VIIB) is involved in intracellular trafficking, notably in epithelial cells and sensory organs.

Key Antibodies and Applications:

Antibody NameHost SpeciesClonalityApplicationsTarget SpeciesCitations
MYO7B (ab172967) RabbitMonoclonalWB, IHC(P)Human, Mouse, Rat22+
MYO7B (14467-1-AP) RabbitPolyclonalIHC, ELISAHuman, Mouse, Rat1+

Research Highlights:

  • Tissue Localization: MYO7B is expressed in human cardiac muscle, skeletal muscle, and pancreas, but absent in liver and breast tissues .

  • Functional Insights: MYO7B regulates opsin transport in retinal photoreceptors and melanosome migration in retinal pigment epithelium .

MyoB-Associated Proteins in Model Organisms

MyoB proteins are myosin receptors that mediate organelle transport. Examples include:

Arabidopsis thaliana MyoB (MRF7) :

  • Role: MRF7 localizes to Golgi membranes and recruits myosin XI-K for actin-based organelle movement.

  • Mechanism:

    • MRF7 binds myosin XI-K via its DUF593 domain .

    • Co-expression of MRF7 and XI-K tail relocalizes myosin to Golgi, enhancing motility .

Plasmodium MyoB :

  • Role: MyoB is essential for apical polarity in Plasmodium merozoites during red blood cell invasion.

  • Complexes: MyoB interacts with MLC-B (myosin light chain B) at the parasite apex, forming a static structure critical for invasion .

Comparative Analysis of MYH7 vs. MYO7B

FeatureMYH7MYO7B
Molecular Weight223–230 kDa 221–242 kDa
Tissue ExpressionCardiac/slow skeletal muscle Retina, kidney, intestine
Disease LinksHypertrophic cardiomyopathy Retinal degeneration (speculated)

Key Research Gaps and Future Directions

  • MYO7B: Limited data exist on its role outside sensory organs. Further studies are needed to explore its involvement in epithelial cancers .

  • MyoB Receptors: The redundancy of myosin-MyoB interactions in plants (e.g., XI-K vs. XI-1) requires mechanistic clarification .

Product Specs

Buffer
Preservative: 0.03% Proclin 300
Constituents: 50% Glycerol, 0.01M PBS, pH 7.4
Form
Liquid
Lead Time
Made-to-order (14-16 weeks)
Synonyms
MYOB7 antibody; At5g06560 antibody; F15M7.9 antibody; Myosin-binding protein 7 antibody
Target Names
MYOB7
Uniprot No.

Target Background

Function
Membrane-anchored myosin receptors define a distinct, plant-specific transport vesicle compartment.
Database Links

KEGG: ath:AT5G06560

STRING: 3702.AT5G06560.1

UniGene: At.9065

Subcellular Location
Endomembrane system; Single-pass membrane protein.

Q&A

What is MYOB7 Antibody and what are its primary research applications?

MYOB7 Antibody is a monoclonal antibody used in immunological research that binds to specific epitopes. Its primary research applications include immunohistochemistry, Western blotting, flow cytometry, and immunoprecipitation. The antibody is particularly valuable in studies investigating protein-protein interactions, cellular localization, and expression patterns in various tissue samples.

The development of specific monoclonal antibodies like MYOB7 builds upon foundational work in hybridoma technology first developed by Kohler and Milstein in 1975, which revolutionized the isolation of target-specific antibodies . Researchers typically utilize MYOB7 Antibody within a broader panel of antibodies to create a comprehensive analysis of their target proteins and associated pathways.

What are the optimal storage conditions for maintaining MYOB7 Antibody activity?

To maintain optimal activity of MYOB7 Antibody, researchers should adhere to specific storage protocols. For long-term storage, the antibody should be kept at -20°C or -80°C in small aliquots to prevent multiple freeze-thaw cycles which can degrade antibody quality. For short-term storage (1-2 weeks), the antibody can be stored at 4°C.

The addition of stabilizing proteins such as bovine serum albumin (BSA) at concentrations of 1-5 mg/mL can help preserve antibody function. It's important to note that antibody solutions should never be stored in diluted working solutions for extended periods, as antibodies at low concentrations are prone to binding to storage container surfaces, leading to significant activity loss.

What controls should be included when using MYOB7 Antibody in experimental protocols?

Control TypePurposeImplementation
Positive ControlConfirms antibody functionalityKnown sample expressing target protein
Negative ControlEstablishes specificitySample known not to express target
Isotype ControlAssesses non-specific bindingMatched isotype antibody not targeting protein of interest
Secondary Antibody ControlEvaluates secondary antibody specificityOmit primary antibody but include secondary
Blocking Peptide ControlConfirms epitope specificityPre-incubate antibody with blocking peptide

How should I optimize MYOB7 Antibody concentration for different experimental techniques?

Optimizing MYOB7 Antibody concentration requires systematic titration across different experimental platforms. For Western blotting, start with a concentration range of 0.1-10 μg/mL and analyze band intensity versus background ratio. For immunohistochemistry, begin with dilutions ranging from 1:50 to 1:500 and assess staining specificity, intensity, and background.

For flow cytometry applications, a methodical approach requires testing dilutions from 1:10 to 1:500 while carefully monitoring signal-to-noise ratios. The optimization process should include both positive and negative controls at each concentration tested. Document all optimization data in a structured format that captures antibody dilution, incubation conditions, washing protocols, and quantitative measurements of specific versus non-specific signal intensity.

What are the considerations for cross-reactivity when using MYOB7 Antibody across different species?

Cross-reactivity analysis is critical when applying MYOB7 Antibody to samples from different species. Sequence homology of the target epitope should be evaluated using bioinformatics tools to predict potential cross-reactivity. Even high sequence similarity (>90%) doesn't guarantee functional cross-reactivity due to potential differences in protein folding and epitope accessibility.

Experimental validation is essential and should follow a structured approach:

  • Begin with Western blot analysis using purified recombinant proteins from target species

  • Progress to cell lysates from relevant cell lines of target species

  • Finally test on tissue samples with appropriate controls

Cross-reactivity data should be documented thoroughly, as unexpected cross-reactivity can lead to misinterpretation of results or provide insights into conserved structural elements across species .

How can I design experiments to validate the specificity of MYOB7 Antibody in my experimental system?

Validating antibody specificity requires a multi-faceted approach. The gold standard involves using genetic models where the target protein is knocked out or knocked down. For MYOB7 Antibody, this would include:

  • CRISPR-Cas9 mediated knockout cell lines

  • siRNA or shRNA knockdown systems

  • Overexpression models with tagged versions of the target protein

Additional validation techniques include immunoprecipitation followed by mass spectrometry to confirm target identity, and comparison of staining patterns using multiple antibodies targeting different epitopes of the same protein. For newly developed screening methods, as highlighted in recent literature, next-generation sequencing (NGS) technology can be leveraged to enhance validation efficiency by enabling high-throughput analysis of antibody-antigen interactions .

What are the key differences in MYOB7 Antibody preparation for Western blotting versus immunohistochemistry?

ParameterWestern BlottingImmunohistochemistry
Sample PreparationDenatured proteinsPreserved native conformation
Blocking Solution5% non-fat milk or BSA in TBSTSerum from species of secondary antibody
Typical Concentration0.5-2 μg/mL1-5 μg/mL
Incubation Time1-16 hours1-48 hours
Washing BufferTBST (0.1% Tween 20)PBS with 0.025-0.1% Triton X-100
Detection SystemHRP/AP conjugated secondaryVarious (HRP, fluorescent, colloidal gold)

The fundamental difference lies in the epitope accessibility. Western blotting typically detects linear epitopes in denatured proteins, while immunohistochemistry requires antibodies that recognize native conformational epitopes in fixed tissues. This distinction explains why some antibodies perform well in one application but poorly in another, necessitating application-specific validation .

How can I troubleshoot weak or absent signal when using MYOB7 Antibody in immunoassays?

Troubleshooting weak signals requires systematic evaluation of each experimental variable:

  • Antibody Activity: Verify antibody functionality using a known positive control sample

  • Antigen Retrieval: For fixed samples, optimize antigen retrieval methods (heat-induced versus enzymatic)

  • Blocking Efficiency: Test different blocking reagents (BSA, normal serum, commercial blockers)

  • Detection Sensitivity: Implement signal amplification methods (tyramide signal amplification, polymer-based detection)

  • Incubation Conditions: Extend primary antibody incubation time or adjust temperature

For each adjustment, maintain a detailed experimental record tracking changes and outcomes. This is particularly important for membrane proteins or low-abundance targets where traditional methods may require modification. Recent developments in antibody screening methods using NGS technology might offer enhanced sensitivity through improved epitope matching .

What are the recommended protocols for quantifying MYOB7 Antibody binding in flow cytometry?

Quantitative flow cytometry with MYOB7 Antibody should follow these methodological steps:

  • Standardization: Use calibration beads with known antibody binding capacity (ABC) to establish a standard curve

  • Background Correction: Implement fluorescence-minus-one (FMO) controls to set accurate gates

  • Data Acquisition: Collect sufficient events (minimum 10,000, ideally 50,000-100,000 for rare populations)

  • Analysis Methodology: Convert mean fluorescence intensity (MFI) to molecules of equivalent soluble fluorochrome (MESF) or antibody binding capacity (ABC)

For multiparameter analysis, proper compensation is critical to account for spectral overlap between fluorophores. The resulting quantitative data should be reported as absolute values (molecules/cell) rather than relative measures to facilitate cross-experimental comparisons .

How does epitope binding affinity of MYOB7 Antibody affect experimental outcomes in different buffer conditions?

The binding affinity of MYOB7 Antibody is significantly influenced by buffer conditions, which can introduce systematic variability in experimental outcomes. Key buffer parameters affecting antibody-epitope interactions include:

  • pH: Optimal range typically 7.0-7.6, with significant binding reductions outside pH 6.0-8.0

  • Ionic Strength: Increasing salt concentration (>150mM NaCl) generally reduces non-specific interactions but may also weaken specific binding

  • Detergents: Critical micelle concentration (CMC) values must be considered; excessive detergent can denature antibodies

  • Divalent Cations: Ca²⁺ and Mg²⁺ at 1-5mM often enhance binding specificity

Researchers should systematically evaluate binding kinetics (ka, kd, KD) using techniques like surface plasmon resonance across varying buffer conditions. This approach aligns with emerging methodologies in antibody development that leverage next-generation sequencing to identify optimal binding conditions .

What strategies exist for improving MYOB7 Antibody performance in challenging samples?

Challenging samples (e.g., highly autofluorescent tissues, samples with low target abundance) require specialized approaches:

  • Signal Amplification Technologies:

    • Tyramide signal amplification can increase sensitivity 10-50 fold

    • Quantum dots provide higher signal-to-noise ratios than conventional fluorophores

    • Proximity ligation assay (PLA) enables detection of protein interactions at single-molecule resolution

  • Sample Pre-treatment Protocols:

    • Autofluorescence quenching using Sudan Black B (0.1-0.3%)

    • Increased permeabilization for intracellular targets using saponin (0.1-0.5%)

    • Sequential antibody retrieval methods for formalin-fixed samples

These advanced techniques align with emerging antibody screening methods that utilize next-generation sequencing technology for enhanced specificity and sensitivity, particularly important when working with low-abundance targets or complex tissue matrices .

How can I incorporate MYOB7 Antibody into multiplexed immunoassays while minimizing cross-reactivity?

Multiplexed immunoassays present unique challenges regarding antibody compatibility. Effective incorporation of MYOB7 Antibody requires:

  • Panel Design Considerations:

    • Antibody isotype diversity to enable isotype-specific secondary detection

    • Strategic fluorophore selection based on spectral properties and target abundance

    • Sequential staining protocols for antibodies with potential cross-reactivity

  • Technical Implementation:

    • Antibody labeling with distinguishable reporter molecules (different fluorophores, mass tags)

    • Spatial separation techniques (e.g., cyclic immunofluorescence with antibody stripping)

    • Computational approaches for spectral unmixing and cross-talk correction

The development of multiplex capability aligns with emerging technologies in antibody research, including NGS-compatible functional screening methods that enable rapid identification of cross-reactivity profiles among large antibody libraries .

What statistical approaches are recommended for analyzing quantitative data generated using MYOB7 Antibody?

Appropriate statistical analysis of MYOB7 Antibody-generated data requires consideration of:

  • Normality Testing: Shapiro-Wilk or Kolmogorov-Smirnov tests to determine data distribution

  • Parametric vs. Non-parametric Tests:

    • For normally distributed data: t-tests, ANOVA with post-hoc tests

    • For non-normal distributions: Mann-Whitney U, Kruskal-Wallis tests

  • Multiple Comparisons Correction:

    • Bonferroni correction for conservative approach

    • False Discovery Rate (FDR) methods for high-dimensional data

  • Correlation Analysis:

    • Pearson correlation for linear relationships

    • Spearman correlation for monotonic but non-linear relationships

Statistical power calculations should be performed prior to experiments, with sample sizes sufficient to detect biologically relevant differences. For complex datasets, consider machine learning approaches for pattern recognition and classification, particularly when integrating antibody binding data with other experimental parameters .

How can I distinguish between specific and non-specific binding in MYOB7 Antibody experiments?

Distinguishing specific from non-specific binding requires methodical experimental design:

  • Competition Assays: Pre-incubation with unlabeled antibody should competitively reduce specific binding of labeled antibody

  • Titration Analysis: Specific binding typically shows saturation kinetics while non-specific binding often increases linearly

  • Knockout/Knockdown Validation: Complete elimination of signal in genetic models lacking target protein

  • Binding Pattern Analysis: Non-specific binding often shows distinct subcellular distribution compared to expected target localization

For quantitative assessment, Scatchard plot analysis can determine binding parameters, including number of binding sites and affinity constants. Modern approaches incorporating next-generation sequencing technology can further enhance specificity assessment by enabling high-throughput epitope mapping and cross-reactivity analysis .

What are the considerations for reproducibility when comparing MYOB7 Antibody results across different experimental batches?

Batch-to-batch variation presents significant challenges to experimental reproducibility. Key considerations include:

  • Antibody Standardization:

    • Use the same antibody clone and lot when possible

    • Implement reference standards with known binding properties

    • Consider absolute quantification methods rather than relative measures

  • Protocol Normalization:

    • Standardize all buffer compositions, incubation times, and detection reagents

    • Use automated systems where possible to reduce operator variation

    • Include internal reference samples across all experimental batches

  • Data Normalization Approaches:

    • Z-score transformation for comparing relative differences

    • Standard curve interpolation for absolute quantification

    • Housekeeping protein normalization with validated reference proteins

Comprehensive documentation of experimental conditions is essential for reproducibility assessment. This aligns with the principles underlying new antibody screening methodologies that emphasize standardized protocols compatible with high-throughput technologies .

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