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.
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Patatin-like phospholipase domain-containing protein 2(PNPLA2) is a cytoplasmic lipolytic enzyme encoded by PNPLA2 gene, which is widely distributed in adipocytes and various non-adipocytes, mainly in the form of cytoplasmic solubility, and can also be located in the surface structure area of lipid droplets. The protein has obvious structural differences from the integrated transmembrane enzyme, and does not have the classical transmembrane segment. It belongs to a typical lipase with patatin domain, and can mediate the hydrolysis and metabolism of triglyceride substrate under physiological steady-state conditions. When the function of the cell lipolytic enzyme buffer control system is limited, neutral lipid substrates are prone to accumulate abnormally, and PNPLA2 can play a moderate metabolic buffer effect to maintain the dynamic balance of neutral lipid metabolism turnover in various cell microenvironments containing lipid droplets. There are significant differences in neutral lipid substrate components between different types of cells, which require the synergistic effect of various lipases to ensure the overall steady state of lipid storage in the cell metabolic system. Ppnla 2 distributed on the cytoplasm and the surface of lipid droplets can continuously bind to neutral lipid substrates, effectively inhibit the excessive accumulation of lipid in lipid droplets and stabilize the metabolic balance of lipolysis in cells.
The sequence variation of PNPLA2 gene can change its catalytic affinity to lipid substrates and induce abnormal remodeling of cellular neutral lipid metabolism spectrum. In patatin family lipases, no other member can simultaneously reproduce the dual unique functions of PNPLA2 in mediating triglyceride hydrolysis and anchoring the surface of lipid droplets. The dynamic adaptation between the expression level of PNPLA2 and the nutritional status of cells and the level of lipid storage is an important research target to explore the lipase function of patatin family and the regulation mechanism of lipid droplet lipolysis. Ppnla 2 can dynamically shuttle between the water-soluble region of cytoplasm and the surface of lipid droplets, and its action process will not continuously activate the downstream signal cascade reaction. This dual positioning feature, which has both solubility and lipid droplet anchoring, makes it clearly distinguished from the fixed chimeric transmembrane protein, and can synergistically regulate the stable state of intracellular neutral lipid storage and mediate the controllable hydrolysis and metabolism of lipid substrates. The down-regulation or functional loss of functional PNPLA2 will directly lead to the accumulation of unhydrolyzed triglycerides, which will significantly weaken the buffering capacity of cell lipolysis metabolism, fully confirming the core scientific research value of this protein in the basic research of cytoplasmic patatin domain lipase.
Fig. 1 Regulatory interaction network of PNPLA2 (ATGL). Schematic illustrates major protein partners that positively or negatively modulate PNPLA2‑dependent lipolysis activity.1
The biological functions of cytosolic PNPLA2 lipase protein are focused on sustained neutral-lipid substrate catalysis and intracellular lipolysis coordination:
Creative Biolabs offers purified PNPLA2 protein samples produced under unified preparation workflows, including full-length PNPLA2 constructs and isolated patatin-domain variants. Truncated domain fragments cannot support complete triacylglycerol-hydrolysis behaviors, while full-length constructs suit research focused on neutral-lipid catalysis and lipid-droplet-surface association observation. All batches receive uniform quality screening. Functional relevant observation may only be carried out with full-length samples under simulated lipid-droplet-mimetic microenvironment setups. Consistent structural features are preserved across batches to support comparative laboratory analysis across separate test groups. Full-length PNPLA2 samples retain intact patatin-domain catalytic motif conformation after standardized purification, which supports reliable detection of weak and transient enzyme-substrate contacts for comparative functional analysis.
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Creative Biolabs provides adjustable PNPLA2 expression cell research models with varied expression levels, applicable to structural observation of patatin-family lipases and research into lipid-substrate catalytic interaction. Sample evaluation includes sustained target expression detection and preliminary substrate-interaction observation, enabling side-by-side comparison of lipolytic enzyme behaviors under differing expression abundances. These cell systems can pair with diverse laboratory analysis schemes to track changes in substrate-processing efficiency alongside shifting target protein levels.
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Anti-PNPLA2 recombinant antibodies are generated via standardized protein preparation workflows, compatible with routine laboratory detection techniques for cytosol and lipid-droplet-associated localization mapping and identification of enzyme-substrate molecular complexes. The antibody series can work alongside common laboratory detection reagents to realize multi-dimensional observation of target distribution within lipid-metabolic tissue samples.
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Beyond catalog products, Creative Biolabs offers specialized custom services for PNPLA2 research:
PNPLA2 might act as a patatin-domain-containing cytosolic lipase and participate in triacylglycerol substrate hydrolysis to support controlled cellular lipolysis.
PNPLA2 expression status could alter cellular neutral-lipid hydrolysis efficiency and lipid-droplet substrate turnover, serving as a major regulatory mediator of intracellular lipid-metabolic biological processes.
No, all PNPLA2 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 PNPLA2 soluble protein, target-specific recombinant antibodies and tunable expression cell research models, supporting research on cellular lipid homeostasis and lipid-droplet-driven lipolysis.
Laboratory observation schemes may include enzyme-substrate interaction related tests to analyze lipolytic-associated behaviors under simulated lipid-droplet-mimetic environments.
