MS1 Antibody

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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
MS1 antibody; At5g22260 antibody; T6G21.3 antibody; PHD finger protein MALE STERILITY 1 antibody
Target Names
MS1
Uniprot No.

Target Background

Function
MS1 Antibody is a transcriptional activator essential for anther and post-meiotic pollen development and maturation. It plays a crucial role in regulating inflorescence branching and floral development. Furthermore, it appears to control tapetal development by directly regulating tapetal programmed cell death (PCD) and breakdown. MS1 is implicated in the development of pollen cytosolic components and wall development, including exine and intine formation.
Gene References Into Functions
  1. MS1 has a critical role in regulating tapetal programmed cell death. PMID: 16908508
  2. MS1 is essential for the induction of pollen wall and pollen coat materials in the tapetum, ultimately leading to the production of viable pollen. PMID: 18032629
  3. The role of MS1 in pollen and tapetum development and the conservation of its function in flowering plants has been extensively studied. PMID: 18032630
Database Links

KEGG: ath:AT5G22260

STRING: 3702.AT5G22260.1

UniGene: At.26417

Subcellular Location
Nucleus.
Tissue Specificity
In closed flower buds, especially in anthers.

Q&A

FAQs on MS1 Antibody for Academic Research

Advanced Research Questions

  • How can researchers resolve discrepancies in MS1 staining across tissue types or disease states?

    • Tissue-specific optimization: Adjust antigen retrieval protocols (e.g., pH variation) for formalin-fixed paraffin-embedded vs. frozen sections.

    • Cross-reactivity controls: Validate with siRNA knockdown or CRISPR-edited cell lines to confirm target specificity.

    • Quantitative analysis: Use digital pathology tools to score staining intensity and spatial distribution objectively.

  • What functional insights can be derived from MS1-positive cells co-expressing HLA-DR and factor XIIIa?
    These cells likely participate in immune regulation and fibrinolytic processes.
    Follow-up Approaches:

    • Single-cell RNA sequencing: Profile transcriptional programs of MS1+/HLA-DR+ cells.

    • Functional assays: Assess phagocytic activity or cytokine secretion in isolated populations.

  • How can MS1 Antibody be integrated into multiplex biomarker panels for stromal research?

    Biomarker PanelPurposeTechnical Considerations
    MS1 + CD34 + PodoplaninDistinguish lymphatic vs. blood vascular nichesAvoid epitope overlap during multiplex IHC.
    MS1 + CD68 + CD163Differentiate dendritic perivascular cells from macrophagesOptimize antibody clones for co-staining.

Data Contradiction Analysis

Table 1: Common Challenges in MS1 Antibody Research

ChallengePotential CauseResolution Strategy
Variable staining intensity across tissuesDifferential glycosylation of MS1 proteinUse enzymatic pre-treatment (e.g., neuraminidase) to unmask epitopes.
False-positive signals in inflammatory lesionsNon-specific binding to activated fibroblastsInclude fibroblast-specific markers (e.g., FAP) as negative controls.
Discrepancies between IHC and IF resultsFixation-dependent epitope stabilityStandardize fixation protocols across experiments.

Key Research Findings

  • Spatial Localization: MS1-positive dendritic cells are perivascular and distinct from macrophages, pericytes, and fibroblasts .

  • Functional Role: MS1 may stabilize cell-matrix interactions in sinusoidal environments, influencing immune cell trafficking .

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