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FLT3

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All listed services and products are For Research Use Only. Do Not use in any diagnostic or therapeutic applications.

Background

FMS-like tyrosine kinase 3 (FLT3, also known as CD135) is a receptor-type tyrosine kinase characterized by an extracellular ligand-binding region, a transmembrane domain, and an intracellular tyrosine kinase domain. It is primarily expressed in early hematopoietic stem and progenitor cells, particularly those committed to dendritic cell (DC) development. Upon binding its cognate ligand, FLT3LG, FLT3 undergoes receptor dimerization, which activates its intracellular kinase domain and initiates downstream signal transduction.

Unlike many broadly distributed hematopoietic receptors, FLT3 signaling plays a highly specific and irreplaceable role in regulating the proliferation, differentiation, and survival of DC progenitors. Under steady-state conditions, baseline FLT3 activity is essential for maintaining normal hematopoietic homeostasis and DC populations. Fluctuations in extracellular FLT3LG levels directly modulate FLT3 activation, thereby dictating the expansion efficiency and subset distribution of DCs. Because its functional disruption profoundly alters antigen-presenting cell dynamics, FLT3 remains a critical focal point for research into hematopoietic receptor signaling and early immune cell ontogeny.

Fig. 1 Schematic showing FLT3 expression distribution among hematopoietic progenitor subgroups for basic dendritic cell mechanism laboratory research with matching FLT3 related laboratory reagents. (OA Literature)Fig. 1 Schematic of FLT3 expression gradient across hematopoietic progenitor lineages for dendritic cell developmental research.1

FLT3 Protein Function: Core Roles in Hematopoietic Progenitor Regulation and Dendritic Cell Development

The biological functions of FLT3 receptor are primarily associated with FLT3LG interaction and regulation of hematopoietic progenitor and dendritic cell populations:

  • FLT3LG Receptor: May bind FLT3LG through its extracellular ligand-binding regions, promoting receptor dimerization and activation of the intracellular tyrosine kinase domain to initiate downstream signaling processes.
  • Hematopoietic Progenitor Regulation: May participate in regulating the proliferation, differentiation, and survival of immature hematopoietic progenitor cells.
  • Dendritic Cell Population Modulation: FLT3 signaling may support the development and maintenance of dendritic cell populations within hematopoietic and tissue compartments.
  • Antigen Presentation Relevance: By influencing dendritic cell development and abundance, FLT3 signaling may indirectly affect antigen presentation and subsequent immune cell interaction processes.
  • Research Model Relevance: Modified FLT3 expression or gene sequences may alter receptor signaling activity and related hematopoietic cell behaviors in laboratory research models.

FLT3 Protein Product

Creative Biolabs offers purified FLT3 membrane protein samples via standardized preparation workflows. Separate extracellular fragments may support studies focused on FLT3LG binding, while intact full-length constructs better preserve the extracellular, transmembrane, and intracellular regions of the native receptor for research requiring complete receptor architecture. All samples receive routine structural screening procedures, and appropriate protein formats can be selected according to the intended ligand-binding or receptor-related laboratory analysis. All sample batches follow unified processing standards to reduce variable interference during parallel comparative laboratory analysis across multiple test groups.

Flt3 Protein Product

Not finding the membrane protein product you need? Contact us to start your one-stop custom service!

FLT3 Stable Cell Line Product

Creative Biolabs provides adjustable FLT3 expression cell models with different expression levels, applicable to receptor signaling profiling and ligand-binding related comparative research. Sample evaluation includes sustained target expression monitoring and preliminary FLT3LG interaction observation, which can support comparative analysis of receptor-associated molecular behaviors under different FLT3 abundance levels. These cell systems can be matched with diversified laboratory detection schemes to track shifts in ligand binding and receptor-related responses under variable target expression status.

Flt3 Stable Cell Line Product

Not finding the stable cell line product you need? Contact us to start your one-stop custom service!

FLT3 Recombinant Antibody Product

Antibody reagents targeting FLT3 are generated through mature standardized preparation workflows, compatible with multiple common laboratory detection modes for tissue localization tracing and receptor expression analysis. These antibody series can support systematic analysis of FLT3 distribution and FLT3-associated molecular complexes across diversified laboratory research setups. The antibody series can cooperate with other general laboratory detection consumables to complete multi-dimensional tracking of target molecules inside tissue section samples.

Flt3 Recombinant Antibody Product

Not finding the recombinant antibody product you need? Contact us to start your one-stop custom service!

Product Features

  • Ligand-Binding Compatibility: Retains relevant extracellular receptor structural features, suited for laboratory observation of FLT3LG-FLT3 molecular interaction behaviors.
  • Target-Specific Recognition: FLT3-targeting reagents may selectively recognize relevant structural regions of the receptor, suited for research focused on hematopoietic receptor-related mechanisms.
  • Immune Cell Research Adaptability: Designed for routine laboratory analysis of hematopoietic progenitor and dendritic cell developmental pathways.
  • Full Customization Support: Tailored FLT3 membrane protein, antibody, and cell model development schemes can be arranged to match diversified laboratory research demands.

Custom FLT3 Research Services

Beyond catalog products, Creative Biolabs offers specialized custom services for FLT3 research:

  • Custom FLT3 Protein Production: Tailored mutant and labeled FLT3 constructs for ligand-binding and receptor-related molecular analysis.
  • Custom Antibody Development: Generation of FLT3-targeted antibodies for tissue distribution observation and molecular complex detection.
  • Stable Cell Line Engineering: Construction of adjustable FLT3 expression cell systems for receptor function-related laboratory research.
  • Functional Assay Development: Custom design of detection workflows for FLT3LG-FLT3 binding and receptor-related laboratory observation.

Frequently Asked Questions (FAQ)

  1. What is the primary function of FLT3?

    FLT3 functions as a cell-surface receptor tyrosine kinase for FLT3LG and participates in regulating the proliferation, differentiation, and survival of hematopoietic progenitor cells and dendritic cells.

  2. Why is FLT3 a significant research target?

    FLT3 expression and signaling status may affect hematopoietic progenitor and dendritic cell development, making it an important research target for studying hematopoietic receptor signaling and related immune cell regulation.

  3. Are Creative Biolabs' FLT3 products suitable for clinical use?

    No, all FLT3-related products and services are strictly for research use only and are not intended for clinical diagnosis or treatment. All material design and preliminary screening steps are intended solely for laboratory research scenarios without matching clinical application criteria.

  4. What types of FLT3 products does Creative Biolabs offer?

    Offerings include FLT3 membrane protein products, FLT3-targeting recombinant antibodies, and adjustable FLT3 expression cell research models for hematopoietic and immune-related basic research.

  5. How can the binding characteristics of FLT3 samples be observed in laboratory research?

    Laboratory observation schemes may include FLT3LG-FLT3 interaction-related testing steps to analyze ligand binding and receptor-associated molecular behaviors under controlled experimental conditions.

Reference
  1. Cueto, Francisco J., and David Sancho. "The Flt3L/Flt3 axis in dendritic cell biology and cancer immunotherapy." Cancers 13.7 (2021): 1525. Under Open Access license CC BY 4.0, without modification. https://doi.org/10.3390/cancers13071525
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