ATORVASTATIN 40mg

Atorvastatin (40mg) is a specialized research reagent utilized primarily to investigate the biochemical pathways of HMG-CoA reductase inhibition and the regulation of cholesterol biosynthesis within cellular signaling networks. As a selective and competitive inhibitor, it is a fundamental tool for exploring the rate-limiting step of the mevalonate pathway and its subsequent impact on vascular homeostasis. Dragon Pharma provides Atorvastatin 40mg at a purity level of 99%+, specifically for use in in-vitro laboratory experiments and preclinical animal models.

Overview

In the realm of cardiovascular biochemistry and metabolic research, Atorvastatin has become a primary instrument for investigators exploring the structural and functional dynamics of lipid regulation. Known scientifically as a "statin," this compound offers high inhibitory potency against the 3-hydroxy-3-methylglutaryl-coenzyme A (HMG-CoA) reductase enzyme, allowing for the study of hepatic LDL-receptor upregulation at controlled concentrations. Dragon Pharma provides Atorvastatin 40mg at a minimum purity of 99%, ensuring that researchers have access to a high-grade Research Compound capable of producing reproducible and accurate data in complex biological models.

As scientific inquiry into atherosclerosis, hyperlipidemia, and "pleiotropic" statin effects such as anti-inflammatory and antioxidant properties—expands, the need for high-affinity inhibitors like Atorvastatin has grown. This expanded profile examines the biochemical characteristics, structural integrity, and multifaceted research applications of Atorvastatin 40mg.

Molecular Characteristics and Chemical Profile

The structural integrity of Atorvastatin allows it to bind to the active site of HMG-CoA reductase, preventing the conversion of HMG-CoA to mevalonate. This blockage is the critical upstream event studied in sterol synthesis research.

• Chemical Identity: Atorvastatin Calcium
• Molecular Formula: $C_{66}H_{68}CaF_{2}N_{4}O_{10}$
• Molecular Weight: 1155.34 g/mol
• Purity: >99% (HPLC and Mass Spectrometry verified)
• Form: Crystalline powder / Lyophilized powder
• Manufacturer: Dragon Pharma

Research Applications

The compound is utilized in various scientific investigative domains, including:

• HMG-CoA Enzyme Kinetics: Mapping the inhibitory constant ($K_{i}$) and binding affinity across different cell lines.
• LDL-Receptor Dynamics: Investigating the feedback mechanisms that increase surface receptor expression for lipid clearance.
• Isoprenoid Signaling: Studying the depletion of downstream metabolites like farnesyl pyrophosphate and geranylgeranyl pyrophosphate.
• Vascular Biology: Assessing the impact on endothelial nitric oxide synthase (eNOS) and arterial wall integrity.
• Oncology Research: Evaluating the mevalonate pathway's role in tumor cell proliferation and apoptosis.

Pathway and Mechanistic Context

The core value of Atorvastatin 40mg in a laboratory setting is its ability to manipulate the Mevalonate Pathway without disrupting non-target enzymatic processes. In a natural physiological state, HMG-CoA reductase is the metabolic "gatekeeper" for cholesterol production.

The HMG-CoA Reductase-LDL Axis

Upon inhibition of HMG-CoA reductase by Atorvastatin, intracellular cholesterol concentrations decrease. This initiates a global shift in cellular behavior, prompting the activation of sterol regulatory element-binding proteins (SREBPs).

Key Mechanistic Shifts:

• Upregulation of LDL Receptors: Atorvastatin facilitates the increased expression of receptors on the cell membrane, providing a framework for studying the removal of LDL particles from the extracellular environment.
• Reduction of Triglyceride Synthesis: It influences the hepatic production of VLDL, useful for research into broader lipidemic profiles.
• Anti-Inflammatory Signaling: Researchers use Atorvastatin to observe how the reduction of isoprenoids impacts the prenylation of Rho and Ras proteins, thereby modulating inflammatory gene expression.

Primary Research Applications

1. Atherosclerosis and Lipid Homeostasis Research

Atorvastatin is heavily utilized in studies involving coronary artery disease (CAD) models. Statistics indicate significant disparities in cardiovascular health; for example, in the United States, the prevalence of heart disease is approximately 12.1% among Non-Hispanic Black adults and 10.6% among Non-Hispanic White adults. Studies show that African American patients often face a 30% higher mortality rate from heart disease compared to Caucasians, frequently due to higher rates of hypertension and systemic inflammation. Atorvastatin provides a unique framework for investigating the stabilization of vascular plaques in these varied models.

2. Neuroprotection and Beta-Amyloid Research

Known in research circles for its potential impact on neurodegenerative pathways, Atorvastatin is used to observe how low-cholesterol environments adapt to proteotoxic stress. Investigators study changes in beta-amyloid processing and the reduction of neuroinflammation in preclinical Alzheimer's models.

3. Endothelial Function and Nitric Oxide

In vascular research, Atorvastatin is studied for its ability to improve eNOS activity. Research models focus on how HMG-CoA inhibition can mitigate endothelial damage and improve blood vessel elasticity, even independently of its lipid-lowering effects.

Form and Analytical Testing

At Dragon Pharma, the commitment to scientific accuracy begins with a rigorous manufacturing process. Atorvastatin 40mg is produced under strict laboratory conditions to ensure the compound remains stable and potent.

• Stability and Purity: The compound is optimized for long-term stability, removing synthesis byproducts that could interfere with lipid-sensing assays.
• Rigorous Analytical Verification: To guarantee a purity level of 99% or higher, every batch undergoes High-Performance Liquid Chromatography (HPLC) and Mass Spectrometry (MS) to confirm that the chemical signature matches the verified Atorvastatin profile.