Review Article

Antitumoral Activity of Snake Venom Proteins: New Trends in Cancer Therapy

Table 1

Antitumor activity of snake venoms and isolated compounds.

Protein nameSnakesCellular target/mechanismReference

Phospholipase A2 (PLA2)NigexineNaja nigricollis nigricollis Cytotoxic, altered cell viability and prevented cell proliferation.[104]
BthA-I-PLA2Bothrops jararacussu Effect against breast adenocarcinoma, human leukemia T, and Ehrlich ascitic tumor[97]
rSSBPLA2Lapemis hardwickii (sea snake)Antitumor effect[114]
PLBPseudechis colletti Cytotoxicity[113]
PLA2Agkistrodon piscivorus piscivorus Synergistic effects with antineoplastic drugs against S49 lymphoma cells[98]
BPB-BthTX-IB. jararacussu Cytotoxicity on S180 tumor cells[189]
CC-PLA2-1 and 2Cerastes cerastes Antitumor and antiangiogenic activities[101]
Drs-PLA2Daboia russelii siamensis Inhibition of SK-MEL-28 cell migration and inhibition of the colonization of B16F10 cells in lungs[100]
MVL-PLA2Macrovipera lebetina Inhibits angiogenesis and induces changes in actin cytoskeleton[56, 102]

L-Aminoacid oxidases (LAAOs) LAAOOphiophagus hannah Cytotoxicity in stomach cancer, murine melanoma, fibrosarcoma, and colorectal and ovary cell lines[79]
LAAOAgkistrodon halys Apoptosis[71]
Apoxin-ICrotalus atrox Apoptosis[75]
LAAOEristicophis macmahoni Apoptosis[68]
BmooLAAO-IBothrops moojeni Cytotoxicity and apoptosis[83]
LAAOTrimeresurus stejnegeri Cytotoxicity[76]
LAAOTrimeresurus flavoviridis Antitumor activity[87]
AHP-LAAOAgkistrodon halys pallas Apoptosis [190]
LAAOVipera berus berus Apoptosis[77]
ACTX-6Agkistrodon acutus Induces apoptosis in human cervical cancer Hela cell line[191]
B1-LAAOBothrops leucurus Cytotoxicity in the stomach cancer MKN-45, adenocarcinoma HUTU, colorectal RKO, and human fibroblast LL-24 cell lines.[192]

MetalloproteasesCrovidisinCrotalus viridis Detachment of ROS 17/2.8 osteosarcoma cells.[147]
JararhaginBothrops jararaca Inhibition of melanoma cells and proapoptotic effect selective, interfering with the adhesion mechanisms [136]
leucurolysin-BBothrops leucurus Potent cytotoxic effect in a micromolar range against T98, U87 and RT2, MCF7, EAC, and UACC cancer cell lines[193]
TSV-DMTrimeresurus stejnegeri Apoptosis, inhibitor of cell proliferation and inducer cell morphologic changes.[194]

DisintegrinContortrostatinAgkistrodon contortrix contortrix Anti-invasive and antiadhesive activities on tumor cells and endothelial cells. Antitumor, antiangiogenic activities and inhibitor of tumor growth.[171175]
LeucuroginBothrops leucurus Anti-angiogenesis effect[195]
SaxatilinGloydius saxatilis Inhibitor of tumor growth.[181]
ObtustatinVipera lebetina Anti-angiogenesis effect[165]
AdinbitorAgkistrodon halys stejneger Inhibits angiogenesis (in vitro and in vivo)[196]
AlbolabrinTrimeresurus albolabris Inhibits RGD-dependent integrins and metastasis[169]
RhodocetinCalloselasma rhodostoma Inhibits the cell adhesion, migration, and collagen contraction[197]
SalmosinAgkistrodon halys brevicaudus Antiangiogenic and antitumorigenic[88, 179, 180, 185]
TrigraminTrimeresurus gramineus Inhibits the adhesion melanoma cells to fibronectin and fibrinogen. [164, 166]
TriflavinTrimeresurus  flavoviridis Inhibits adhesion and migration cell and angiogenesis.[168]
RhodostominAgkistrodon rhodostoma Inhibits angiogenesis and grow tumor cell adhesion.[163, 164, 177]
EchistatinEchis carinatus Inhibits the adhesion of melanoma cells to extracellular matrix components[170]

SerineproteasesCrotalaseCrotalus adamanteus Inhibition of tumor growth[153]
BatroxobinB. moojeni Antimetastatic effect[183]

LectinsBjcuLB. jararacussu Cytotoxic effects and inhibits cell adhesion[117]
Lebectin and LebecetinMacrovipera lebetina Inhibits adhesion, migration, and invasion of tumor cells; inhibits angiogenesis[119]
EM16Echis multisquamatus Cytoskeleton disassembly; inhibits adhesion and migration of HUVEC cells[198]

PeptidesCardiotoxin III (CTX III)Naja naja atra Blocks migration and invasion of MDA-MB-231 breast cancer cells[42, 108]
Cytotoxin P4Naja n. nigricollis Cytotoxicity[40, 47, 48]
Cathelicidin-BFBungarus fasciatus Inhibits B16F10 and B16 proliferation[199]

InhibitorsBJ46aB. jararaca Inhibits the invasion and metastasis of tumor cells B16F10, a melanoma cell line, and MHCC97H, a human hepatocellular carcinoma cell line[200]
PIVLMacrovipera lebetina transmediterranea Serine protease inhibitor; exhibits an anti-tumor effect and displays integrin inhibitory activity without being cytotoxic. Inhibit the adhesion, migration, and invasion of human glioblastoma U87 cells. [201]

CrudeMontivipera xanthina Cytotoxic effect [202]
WEV—venom extractedWalterinnesia aegyptia Induction of apoptosis[203]
Vipera lebetina turanica Inhibits the growth of human ovarian cancer through induction of apoptosis[204]