Review Article

Pharmacological Properties of the Medical Maggot: A Novel Therapy Overview

Table 1

Overview of the bioactivities of maggot.

BioactivitySubstance/component/moleculeObjectMechanismReference

Antibacterial Ammonium carbonate
Allantoin
-Raise PH value[10]
LucifensinStaphylococcus Streptococcus speciesForm ion channels or transmembrane pores[15]
Lucifensin IIStaphylococcus aureus, Pseudomonas aeruginosa-[18]
LucilinMultidrug resistance Gram-negative bacteria-[20]
MAMPStandard and antibiotic-resistant strains of Staphylococcus aureusIncrease membrane permeability[21]
SeraticinBacillus cereus Escherichia coliLysis of the bacterial membrane[13]
p-Hydroxyphenylacetic acid
p-Hydroxybenzoic acid
Proline diketopiperazine
Micrococcus luteus, Pseudomonas aeruginosa-[14]

AntibiofilmChymotrypsin 1Staphylococcus aureus Staphylococcus epidermidisDisrupt protein adhesin-mediated biofilm formation[27]
DNAsePseudomonas aeruginosaDigest DNA in biofilm [29]

Synergistic effect with antibioticSerine proteasesGentamicin, flucloxacillin
Ciprofloxacin
Vancomycin, daptomycin, clindamycin
Reduce minimal inhibitory concentration (MIC)
Break down biofilm to allow the bacterial cells exposure to the antibiotics
[3133]

AntifungalLucimycinAscomycota, Basidiomycota, Zygomycota, Candida albicans,
Phytophthora parasitica
Metal complex formation to a specific receptor[35, 36]

Anti-inflammation ESNeutrophilsReduce superoxide generation, myeloperoxidase, and CD11b/CD18
Inhibit neutrophil chemotaxis
Cyclic AMP-dependent mechanism
[38]
ESMonocytesInhibit monocytes chemotaxis
Decrease in IL-12p40, TNF-α, MIF
Increase in IL-10
[39]
ESMacrophageDifferentiate from proinflammatory to proangiogenic type
Decrease MIP-1β, RANTES, and PDGF-BB
Increase MCP-1 and IL-8
[40]
Kind of thermostable proteinComplement systemBreak down complement proteins C3 and C4[41, 42]

ImmunomodulatoryBLIPT lymphocyteDownregulate IFN-γ, IL-4, IL-10, IL-13, and CD25
Upregulate TNF-α and TGF-β
[43]

Proangiogenic Unsaturated fatty acidMicrovascular endothelial cellImprove migration
Activate AKT1 signaling pathway
[49]
Histidine
Valinol 3-guanidinopropionic acid
Human umbilical vein endothelial cellImprove migration
Enhance VEGFR-2, CD34 and CD68
[47]
Not identifiedHepatocyte growth factorDownregulate c-Myc, VEGF, and cyclin D1
Activate STAT3 and TGF-β/Smad3 signaling pathway
[50, 51]

Fibroblast migration/proliferation and ECM remodelling Kind of serine proteinasesFibroblasts keratinocytesIncrease cell metabolism and protein production (secondary lysosomes and residual bodies)[54, 55]
Trypsin/chymotrypsin-like serine
Metalloproteinases
Aspartyl proteases
EMC componentsDegrade fibronectin
Solubilize fibrin clots
Digest ECM components
[57]

ProcoagulantJonah-like proteinHuman plasma
Whole blood
Reduce clotting time
Activate contact proteins factors XII, IX, and kininogen
[61]

NeuranagenesisHomogenate products-Promote neuropeptides (PGP 9.5 and substance P) release[62, 63]

Antitumorω-6 PUFAHuman leukemia cells
A-549 lung cancer cells
H22 hepatoma
Activate p38MAPK signal pathway[64, 65]

AntiatherosclerosisESMurine serumDecrease TC, TG, LDL
Increase HDL
Regulate CD4+/CD8+ ratio
[66, 67]