Creative Biolabs is offering the most comprehensive services for antibody development projects. With strict regulation and effective execution, we are dedicated to providing the most valuable solutions to complete your projects.
HighlightsCreative Biolabs is offering the most comprehensive services for antibody development projects. With strict regulation and effective execution, we are dedicated to providing the most valuable solutions to complete your projects.
HighlightsCreative Biolabs has established a broad range of platforms for developing novel antibodies or equivalents. These cutting-edge technologies enable our scientists to meet your demands from different aspects and tailor the most appropriate solution that contributes to the success of your projects.
HighlightsWith deep understanding in antibody-related realms and extensive project experience, Creative Biolabs offers a variety of references to help you learn more about our capacities and achievements, including infographic, flyer, case study, peer-reviewed publications, and all kinds of knowledge that can assist your projects. You are also welcome to contact us directly for more specific solutions.
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Solute carrier family 18 member A2 (SLC18A2) is an integral vesicular-membrane antiporter encoded by the SLC18A2 gene, localizing to lipid bilayers of synaptic and secretory vesicle compartments within monoaminergic neuron populations. Distinct from soluble cytosolic enzymes, SLC18A2 contains multiple transmembrane helical segments and short cytoplasmic terminal domains, lacks extracellular ligand-recognition modules for cell-surface signal transduction. It appears to operate as a proton-gradient-driven membrane transporter that mediates cytosolic monoamine substrate translocation into vesicular luminal spaces under basal physiological conditions. Unsequestered cytosolic monoamine substrates readily accumulate within neuronal microenvironments without sufficient vesicular sequestration factors, and SLC18A2 tends to deliver moderate substrate-buffering capacity to sustain balanced neurotransmitter storage across diverse neuronal subcompartments. Different monoaminergic cell populations generate distinct monoamine substrate mixes, requiring diversified vesicular transporter pools to maintain overall neurotransmitter equilibrium within secretory vesicle systems. Membrane-embedded SLC18A2 might continuously couple proton exchange with monoamine translocation to restrain excess cytosolic neurotransmitter buildup and preserve steady vesicular storage balance.
The variation of SLC18A2 gene can change the transport affinity of monoamine substrates and reshape the distribution characteristics of monoamine substances in neurons. Among all vesicular SLC family transporters, this gene is the only subtype with dual functions of monoamine substrate transport and vesicle membrane anchoring, and no other family transporters can completely reproduce its dual biological characteristics. The expression level of this gene is closely adapted to the functional state of monoaminergic neurons, which also makes it an important research object to analyze the transport mechanism of vesicle solute carriers and explain the regulation law of neurotransmitter storage. From the mechanism of action, SLC18A2 can be embedded in the lipid bilayer of vesicles and mediate the transport process of monoamine substrates, and it will not trigger the continuous downstream signal cascade reaction. Its unique intracellular vesicle transmembrane localization is obviously different from cell membrane transporters, which can not only stabilize the reserve steady state of neurotransmitters in vesicles, but also provide important support for the controlled exocytosis release of neurotransmitters. On the other hand, the abnormal function or down-regulation of SLC18A2 will lead to the abnormal accumulation of monoamines in cytoplasm that are not isolated by vesicles, which will reduce the storage and buffering capacity of neuronal vesicles for neurotransmitters, which fully highlights the important research value of this gene in the basic research field of vesicular SLC transporters.
Fig. 1 Schematic and structural overview of human SLC18A2 (VMAT2). Panel a depicts proton‑gradient‑dependent vesicular monoamine antiport. Panel d shows the 12‑transmembrane‑helix MFS‑fold topology. Additional panels contain study‑specific structural and experimental datasets.1
The biological functions of transmembrane SLC18A2 transporter protein are focused on sustained proton-coupled monoamine substrate translocation and vesicular neurotransmitter coordination:
Creative Biolabs offers purified SLC18A2 membrane samples produced under unified preparation workflows, including full-length SLC18A2 constructs and isolated transmembrane-domain variants. Truncated domain fragments cannot support complete monoamine-translocation behaviors, while full-length constructs suit research focused on proton-coupled substrate transport and vesicular-membrane anchoring. All batches receive uniform quality screening. Functional relevant observation may only be carried out with full-length samples under simulated vesicular-membrane microenvironment setups. Consistent structural features are preserved across batches to support comparative laboratory analysis across separate test groups. Full-length SLC18A2 samples retain intact substrate-transport motif conformation after standardized purification, which supports reliable detection of weak and transient transporter-substrate contacts for comparative functional analysis.
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Creative Biolabs provides adjustable SLC18A2 expression cell research models with varied expression levels, applicable to structural observation of vesicular SLC-family transporters and research into monoamine-substrate translocation interaction. Sample evaluation includes sustained target expression detection and preliminary substrate-interaction observation, enabling side-by-side comparison of transporter behaviors under differing expression abundances. These cell systems can pair with diverse laboratory analysis schemes to track changes in substrate-translocation efficiency alongside shifting target protein levels.
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Anti-SLC18A2 recombinant antibodies are generated via standardized protein preparation workflows, compatible with routine laboratory detection techniques for secretory-vesicle membrane localization mapping and identification of transporter-substrate molecular complexes. The antibody series can work alongside common laboratory detection reagents to realize multi-dimensional observation of target distribution within neural-tissue samples.
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Beyond catalog products, Creative Biolabs offers specialized custom services for SLC18A2 research:
SLC18A2 might act as a vesicular-membrane antiporter and participate in proton-coupled monoamine-substrate translocation to support intra-vesicular neurotransmitter storage.
SLC18A2 expression status could alter monoamine-substrate translocation efficiency and vesicular neurotransmitter storage capacity, serving as a major regulatory mediator of neuronal monoamine biological processes.
No, all SLC18A2 related products and services are strictly for research use only, and cannot be applied in clinical workflows. All material designs and functional tests are optimized exclusively for basic laboratory research scenarios, without matching clinical application standards.
Offerings include full-length SLC18A2 membrane protein, target-specific recombinant antibodies and tunable expression cell research models, supporting research on vesicular neurotransmitter homeostasis and monoamine substrate sequestration.
Laboratory observation schemes may include transporter-substrate interaction related tests to analyze translocation-associated behaviors under simulated vesicular-membrane environments.
