APOB Specific Neutra™ Antibody Products
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Are you currently facing challenges in accurately quantifying atherogenic lipoprotein particles, understanding lipid metabolism, or developing precise diagnostics for cardiovascular diseases? Creative Biolabs’ APOB Specific Antibody Products help you achieve unparalleled precision and reliability in detecting Apolipoprotein B, enabling robust research into its critical role in lipid transport and cardiovascular health through highly specific antibodies and advanced immunoassay tools.
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Introduction of APOB
Apolipoprotein B (APOB) is a large, non-exchangeable glycoprotein that plays a central and indispensable role in the metabolism of lipids and the formation of atherogenic lipoproteins. Encoded by the APOB gene, it exists primarily in two major isoforms in plasma: ApoB-100 and ApoB-48.
- ApoB-100, synthesized in the liver, is a massive protein comprising 4536 amino acids. It serves as an integral constituent of very low-density lipoproteins (VLDL), intermediate-density (IDL) and low-density lipoprotein (LDL) particles, plus lipoprotein(a) [Lp(a)]. A single molecule of ApoB-100 is present on each of these particles, making it a direct indicator of the total number of circulating atherogenic lipoprotein particles. Beyond its structural role, ApoB-100 acts as the primary ligand for the LDL receptor, mediating the cellular uptake and clearance of LDL particles from the bloodstream.
- ApoB-48, a truncated form of ApoB-100 (48% of its length), is synthesized in the intestines. It is essential for the assembly and secretion of chylomicrons, which are responsible for transporting dietary fats from the intestines to various tissues. In contrast to ApoB-100, ApoB-48 lacks the LDL receptor-binding domain.
The central role of APOB-containing lipoproteins in lipid transport makes APOB a critical factor in the pathogenesis of atherosclerosis. Elevated levels of APOB, particularly those associated with increased LDL particle concentrations, are a primary driver of atherosclerotic plaque formation, which can lead to cardiovascular diseases such as heart disease and stroke. Notably, APOB's inclusivity makes it a superior predictor of cardiovascular events compared to LDL cholesterol alone, as it accounts for the full spectrum of atherogenic particles. The ratio of APOB to APOA1 (another lipoprotein) further reflects the balance between cholesterol deposition and transport, serving as an accurate indicator of cardiovascular disease risk. Overproduction of APOB can also contribute to lipid-induced endoplasmic reticulum stress and insulin resistance in the liver, further linking it to metabolic syndrome and diabetes mellitus. Furthermore, studies have shown a strong association between APOB and chronic kidney disease (CKD), with elevated serum APOB potentially preceding clinical manifestation. Inherited disorders like Familial Defective Apolipoprotein B100 (FDB), caused by point mutations in ApoB-100, are characterized by hypercholesterolemia and premature atherosclerosis, underscoring the protein's critical role in maintaining cardiovascular health.
Fig. 1 ApoB100-containing lipoprotein metabolism.1
Antibodies Against APOB
Antibodies specifically designed to target APOB are invaluable tools for research and diagnostic applications, enabling precise detection and quantification of this crucial protein and the lipoproteins it comprises. These antibodies are developed to bind with high affinity and specificity to the APOB molecule, facilitating its analysis in various biological matrices.
The applications of APOB specific antibodies are broad and impactful:
- Cardiovascular Disease Research: APOB antibodies are essential for studying the role of atherogenic lipoproteins in the development and progression of atherosclerosis. They are used to quantify APOB levels in plasma, identify and characterize different lipoprotein subclasses, and investigate the mechanisms underlying dyslipidemia.
- Diagnostic Assay Development: These antibodies are critical components in the development of highly sensitive and specific immunoassays, such as Enzyme-Linked Immunosorbent Assay (ELISA) and turbidimetric/nephelometric assays, for the clinical measurement of APOB. Such assays provide a direct and reliable assessment of cardiovascular risk, often superior to traditional lipid panels.
- Western Blotting (WB): APOB antibodies are routinely used in Western Blotting to detect and characterize APOB isoforms (ApoB-100 and ApoB-48) in cell lysates, tissue extracts, and plasma samples, aiding in studies of protein expression and processing.
- Immunohistochemistry (IHC) and Immunofluorescence (IF): These techniques utilize APOB antibodies to visualize the localization of APOB within tissues and cells, providing insights into lipoprotein synthesis, secretion, and uptake in various organs, including the liver, intestine, and arterial walls.
- Flow Cytometry: APOB antibodies can be employed in flow cytometry to analyze the surface expression of APOB on cells or to characterize lipoprotein particles in complex mixtures.
- Pharmacokinetic and Pharmacodynamic Studies: In drug development, APOB antibodies are used to monitor the effects of lipid-lowering therapies on APOB levels and lipoprotein metabolism, assessing drug efficacy and safety.
Why Choose Us?
Creative Biolabs’ APOB Specific Antibody Products are rigorously validated for optimal performance across these diverse applications, ensuring accurate, reproducible, and impactful results in the challenging field of lipid and cardiovascular research. Our APOB Specific Antibody Products are designed to provide you with superior tools for your research and diagnostic needs.
Key advantages of collaborating with Creative Biolabs:
- Unparalleled Specificity and Sensitivity: Our APOB antibodies are rigorously tested to ensure precise binding to APOB, minimizing cross-reactivity with other apolipoproteins or plasma components. This leads to highly accurate and reliable results, even at trace levels, which is critical for detecting subtle changes in lipid profiles.
- Robust Performance Across Applications: Our antibodies are validated for optimal performance in a wide range of applications, including ELISA, Western Blotting, Immunohistochemistry, Immunofluorescence, and flow cytometry, ensuring consistent and reproducible results across your diverse experimental needs.
- Expertise in Lipid Metabolism: With over 20 years of specialized experience in biology, particularly in lipid and cardiovascular research, our team possesses a deep understanding of APOB's intricate biology, allowing us to develop and optimize antibodies that truly meet the demands of cutting-edge research.
- Stringent Quality Control: Every antibody undergoes a comprehensive quality control process, ensuring the highest standards of purity, consistency, and functionality. This commitment to quality translates directly into dependable data for your projects.
FAQs
Q: What is APOB's principal physiological role?
A: It serves as a vital integral constituent located on lipoproteins; LDL, VLDL, and chylomicrons. Its main role is in the transport of lipids (fats and cholesterol) throughout the bloodstream. It's also essential for the formation and secretion of these lipoprotein particles from the liver and intestines, and for their uptake by cells.
Q: Why is measuring APOB important in health assessment?
A: Measuring APOB is highly significant because it directly reflects the total number of atherogenic (plaque-forming) lipoprotein particles in the blood. Elevated levels are a strong indicator of increased risk for cardiovascular diseases like heart attack and stroke, often providing a more accurate risk assessment than traditional cholesterol measurements alone.
Q: Can these antibodies differentiate between different forms of APOB?
A: Yes, depending on their specific design, antibodies can be developed to target different isoforms of APOB, primarily ApoB-100 (from the liver) and ApoB-48 (from the intestine). This specificity allows researchers to investigate the distinct roles of these isoforms in various metabolic pathways and disease states.
Q: In what types of samples can these antibodies be used for detection?
A: These antibodies are versatile and can be effectively used to detect APOB in a variety of biological samples, including human or animal plasma, serum, cell lysates, and tissue extracts. Their application often depends on the specific immunoassay format being utilized.
Q: How do these antibody-based methods compare to other techniques for analyzing lipoproteins?
A: Antibody-based methods offer high specificity and sensitivity for detecting APOB, making them excellent for quantifying lipoprotein particles. They are often more convenient and high-throughput than traditional methods like ultracentrifugation for lipoprotein separation, providing a direct measure of particle number rather than just cholesterol content.
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REFERENCE
- Kounatidis, Dimitris et al. “ApoB100 and Atherosclerosis: What's New in the 21st Century?.” Metabolites vol. 14,2 123. 12 Feb. 2024, DOI:10.3390/metabo14020123. Distributed under Open Access license CC BY 4.0, without modification.
