Storage conditions：Short-term storage at 2~8℃, long-term storage at -20 ~ -80℃
138.8600
3.5000
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Natural products, as important resources for drug discovery, have shown broad application prospects in antibacterial, anti-tumor, and antiparasitic fields due to their structural diversity and rich biological activity. Albaspidin AA (CAS number: 3570-40-9) is a natural product derived from specific plants, which has received widespread attention in recent years due to its significant inhibitory effect on the nutritional morphology of Legionella pneumoniae and its in vitro killing activity against nematode L4 larvae. In addition, the potential regulatory role of Bai Mian Ma Su AA on chronic myeloproliferative disorder (CMPD) related targets suggests its application value in the treatment of hematological diseases.
This article aims to systematically review the chemical structure and physicochemical properties, plant sources and extraction methods, pharmacological activity and mechanism of action, pharmacological evaluation and pharmacokinetic characteristics of Bai Mian Ma Su AA, and explore its future clinical application prospects, providing scientific basis for further drug development and clinical translation.
The molecular formula of Bai Mian Ma Su AA is C22H28O6, with a molecular weight of 388.40 Da. Its structure contains multiple oxygen heterocycles and phenolic hydroxyl groups, and has high polarity, exhibiting more hydrogen bond acceptors (8), which gives it a certain balance between water solubility and membrane permeability. The LogP value is 3.5, indicating that it has moderate lipid solubility, which is beneficial for membrane penetration but does not lead to excessive hydrophobicity and decreased bioavailability. The topological polar surface area (TPSA) is 138.86 Å ², indicating its strong polarity, which may limit its ability to cross the blood-brain barrier, consistent with its low blood-brain barrier permeability.
The chemical skeleton of Bai Mian Ma Su AA is stable, with multiple phenolic hydroxyl groups and ether bonds. These structural units not only endow it with antioxidant activity, but may also participate in its binding with biological targets. The complexity of its structure provides the possibility for its multi-target action, as well as the foundation for synthetic modification and structural optimization.
Baimiansu AA was originally isolated from the genus Baimiansu, which is widely distributed in temperate and subtropical regions and has always been used in traditional medicine to treat infectious diseases and parasitic diseases. This compound is usually present in the roots, stems, and leaves of plants, and its content varies with the growth stage and environmental conditions.
The common methods for extracting Bai Mian Ma Su AA include organic solvent extraction, ultrasound assisted extraction, and liquid chromatography separation. Ethanol or methanol is generally used as the extraction solvent to ensure sufficient dissolution of polar and non-polar components. The extract was concentrated, separated, and purified by silica gel column chromatography, and finally purified by high performance liquid chromatography (HPLC) for purity detection and quantitative analysis.
In recent years, green extraction technologies such as supercritical CO2 extraction and microwave-assisted extraction have shown advantages in improving the extraction efficiency and purity of Baimian Ma Su AA, and helping to reduce the use of organic solvents, which is in line with the environmental trend of modern natural product extraction.
Bai Mian Ma Su AA exhibits significant inhibitory effects on the nutritional morphology of Lactobacillus, with a minimum inhibitory concentration (MIC) ranging from 0.168 to 220 micromoles, demonstrating potent antibacterial activity. As an important opportunistic pathogen, Klebsiella pneumoniae can cause severe respiratory infections, especially in immunocompromised populations. The inhibition of its nutritional status by Baimiamycin AA helps to control the spread of infection and the progression of the disease.
In addition, the antibacterial activity of Bai Mian Ma Su AA against other Gram negative and Gram positive bacteria has not been systematically studied, and further research on its antibacterial spectrum is needed in the future to evaluate its potential as a broad-spectrum antibacterial agent.
In vitro experiments have shown that Bai Mian Ma Su AA has a killing effect on L4 stage larvae of nematodes, indicating its application value in the field of anti parasitic treatment. Nematode infection is a significant public health issue worldwide, particularly in tropical and subtropical regions. Bai Mian Ma Su AA has the potential to become a candidate molecule for novel anti nematode drugs by disrupting the physiological functions of nematodes.
However, further clarification is needed on the differences in activity of Baimian Ma Su AA against different nematode species and developmental stages. In addition, the optimization of its in vivo efficacy, toxicity, and administration regimen will also be a focus of future research.
Chronic myeloproliferative disorders are a type of hematological disease characterized by abnormal proliferation of hematopoietic cells in the bone marrow. Baimian Ma Su AA has been found to potentially act on multiple molecular targets, including MCL1, ALOX5, TOP2A, BCL2L1, and IMPDH2, which play critical roles in regulating cell apoptosis, inflammatory response, and DNA topoisomerase activity.
By regulating the above targets, Bai Mian Ma Su AA is expected to inhibit abnormal proliferation of bone marrow cells, induce their apoptosis, and thus improve disease progression. At present, most of the relevant research is focused on in vitro cell experiments and molecular docking analysis, and there is still a lack of systematic in vivo validation and clinical data.
The multi-target mechanism of action of Bai Mian Ma Su AA provides a theoretical basis for its complex pharmacological effects. The main targets include:
MCL1（Myeloid cell leukemia 1）As an anti apoptotic protein, MCL1 plays an important role in the survival of various tumor cells. Baimian Ma Su AA may promote cell apoptosis, especially in myelodysplastic cells, by inhibiting the expression or function of MCL1.
ALOX5 (5-lipoxygenase)Participate in the synthesis of inflammatory mediators and regulate immune responses. The inhibition of ALOX5 by Bai Mian Ma Su AA may alleviate inflammatory response and improve the pathological environment of chronic bone marrow diseases.
TOP2A (DNA Topoisomerase II α)The key DNA helicase is involved in DNA replication and transcription. Baimian Ma Su AA may inhibit TOP2A activity, block cell cycle progression, and suppress abnormal cell proliferation.
BCL2L1（Bcl-xL）Members of the anti apoptotic protein family regulate cell survival. The action of Bai Mian Ma Su AA may lead to impaired BCL2L1 function and promote cell apoptosis.
IMPDH2 (Inosine Dehydrogenase 2)The key enzyme for nucleotide synthesis affects cell proliferation. Bai Mian Ma Su AA may inhibit IMPDH2, limit nucleotide supply, and suppress cell proliferation.
Molecular docking and cell experiments have shown that berberine AA can form stable binding with the above-mentioned targets, affecting its functional activity. In addition, its antibacterial and anti nematode effects may involve multiple mechanisms such as disrupting cell membrane integrity, interfering with energy metabolism, and inducing oxidative stress.
The pharmacological parameters of Bai Mian Ma Su AA indicate that it has certain potential for drug development:
Molecular weight 388.4 Da The ideal range that conforms to Lipinski's rules is conducive to oral absorption.
LogP 3.5 Moderate lipid solubility helps to penetrate cell membranes, but excessive solubility may affect water solubility and bioavailability.
TPSA 138.86 ŲThe higher polarity may limit its oral absorption and blood-brain barrier penetration, which is consistent with its low blood-brain barrier permeability characteristics.
Number of hydrogen bond acceptors 8 More hydrogen bond receptors facilitate binding to the target, but may affect membrane permeability.
At present, there is no clear data on the hepatotoxicity, cardiotoxicity (including hERG channel inhibition), and genotoxicity (Ames test) of Bai Mian Ma Su AA, and a systematic toxicological evaluation is needed. In terms of pharmacokinetics, there is a lack of in vivo absorption, distribution, metabolism, and excretion (ADME) data. Future research should focus on its bioavailability, half-life, and metabolic pathways.
Based on the multiple activities of Bai Mian Ma Su AA in antibacterial, anti nematode, and chronic myeloproliferative disease related targets, its clinical application prospects are worth looking forward to. Specifically, it includes:
Anti-infection therapy Regarding pneumonia and other infections caused by Klebsiella pneumoniae, berberine AA may become a new type of antibacterial drug, especially in the context of an increase in multidrug-resistant strains, which is of great significance.
Development of antiparasitic drugs Further validation and optimization of the anti nematode activity of Bai Mian Ma Su AA are expected to expand its application as an anti parasitic drug and meet the global demand for parasitic disease prevention and control.
Treatment of hematological diseases By regulating key apoptosis and proliferation targets, Bai Mian Ma Su AA may provide a new therapeutic strategy for chronic myeloproliferative diseases, especially suitable for combination with existing targeted drugs to improve efficacy and drug resistance.
Future research should focus on the in vivo efficacy evaluation, toxicological safety testing, and pharmacokinetic studies of Bai Mian Ma Su AA, while utilizing structural optimization and drug delivery techniques to enhance its bioavailability and targeting. In addition, based on its multi-target characteristics, conducting systematic network pharmacology and multi omics research can help comprehensively reveal its mechanism of action and potential indications.
Bai Mian Ma Su AA, as a natural product with multiple biological activities, exhibits significant potential in antibacterial, anti nematode, and regulating targets related to chronic myeloproliferative diseases. Its unique chemical structure and physicochemical properties provide the basis for its multi-target action, but there is still a lack of systematic in vivo efficacy and safety data. In the future, through in-depth pharmacological mechanism research, drug efficacy optimization, and preclinical evaluation, Bai Mian Ma Su AA is expected to become an important candidate molecule for new anti infective and anti-tumor drugs, providing new ideas and means for the treatment of related diseases.
In summary, the study of Bai Mian Ma Su AA not only enriches the theoretical system of natural product pharmacology, but also provides valuable practical experience for the development of natural product drugs, with important scientific value and application prospects.
