Page last updated: 2024-11-13

crotamine

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Description

crotamine: polypeptide basic toxin isolated from venom of rattlesnake Crotalus durrisus terrificus [Medical Subject Headings (MeSH), National Library of Medicine, extracted Dec-2023]

Cross-References

ID SourceID
PubMed CID85470858
MeSH IDM0056133

Synonyms (5)

Synonym
crotamine
crotamin
e58tbp78ih ,
58740-15-1
unii-e58tbp78ih

Research Excerpts

Overview

Crotamine is a lysine and cysteine rich 42 amino acids long bio-active polypeptide, isolated from the venom of a South American rattlesnake. Crotamine exhibits affinity for acidic lysosomal vesicles and proliferating cells.

ExcerptReferenceRelevance
"Crotamine is a rattlesnake-derived toxin that causes fast-twitch muscle paralysis. "( Synthetic polypeptide crotamine: characterization as a myotoxin and as a target of combinatorial peptides.
da Silva, ÁP; de Oliveira, EB; Frare, EO; Kerkis, I; Kolonin, MG; Peigneur, S; Pereira, A; Pompeia, C; Tytgat, J, 2022
)
2.48
"Crotamine is a lysine and cysteine rich 42 amino acids long bio-active polypeptide, isolated from the venom of a South American rattlesnake, that can also be used as cell penetrating peptide. "( Evaluation of crotamine based probes as intracellular targeted contrast agents for magnetic resonance imaging.
Engelmann, J; Jha, D; Joshi, R; Kerkis, I; Scheffler, K; Sweidan, K, 2022
)
2.52
"Crotamine is a highly cationic polypeptide first isolated from South American rattlesnake venom, which exhibits affinity for acidic lysosomal vesicles and proliferating cells. "( Evaluation of tumor growth remission in a murine model for subcutaneous solid tumors - Benefits of associating the antitumor agent crotamine with mesoporous nanosilica particles to achieve improved dosing frequency and efficacy.
Alves, WA; Anthero, GL; Hayashi, MAF; Nani, JV; Oliveira, V; Oyadomari, WY; Porta, LC; Reid, PF; Sant'Anna, OA; Silva, MRA, 2023
)
2.56
"Crotamine is a basic, 42-residue polypeptide from snake venom that has been shown to possess cell-penetrating properties. "( Crotamine Cell-Penetrating Nanocarriers: Cancer-Targeting and Potential Biotechnological and/or Medical Applications.
Alves, WA; Campeiro, JD; Daniel, MC; Hayashi, MAF; Karpel, RL; Kerkis, I; Oliveira, EB; Porta, LC; Szychowski, B, 2020
)
3.44
"Crotamine is a cationic polypeptide composed by 42 amino acid residues with several pharmacological and biological properties, including the selective ability to enter and kill actively proliferating tumour cells, which led us to propose its use as a theranostic agent for cancer therapy. "( In vivo effects of the association of the psychoactive phenotiazine thioridazine on antitumor activity and hind limb paralysis induced by the native polypeptide crotamine.
Campeiro, JD; Godinho, RO; Hayashi, MAF; Oliveira, EB; Papa, GB; Porta, LC; Rodrigues, T, 2020
)
2.2
"Crotamine is a polypeptide isolated from the venom of a South American rattlesnake. "( Biophysical and pharmacological characterization of a full-length synthetic analog of the antitumor polypeptide crotamine.
D'Arc Campeiro, J; de Carvalho Porta, L; Fadel, V; Godinho, RO; Hayashi, MAF; Oliveira, EB, 2020
)
2.21
"Crotamine is a paralyzing toxin (MW: ~5 kDa) found in different proportions in some rattlesnake venoms (up to 62%). "( Neutralization of crotamine by polyclonal antibodies generated against two whole rattlesnake venoms and a novel recombinant fusion protein.
Alagón, A; Neri-Castro, E; Olvera-Rodríguez, A; Olvera-Rodríguez, F; Ponce-López, R; Sánchez, EE, 2021
)
2.4
"Crotamine is a polypeptide toxin isolated from rattlesnake venom. "( Acute toxicity, antinociceptive, and anti-inflammatory activities of the orally administered crotamine in mice.
Carvalho, AAV; Carvalho, PMG; Cruz, AC; Cunha, LC; Fajemiroye, JO; Magalhães, MR; Moreira, LA; Oliveira, LP; Oliveira, SAM; Oliveira-Neto, JR, 2021
)
2.28
"Crotamine is a natural polypeptide from snake venom which delivers nucleic acid molecules into cells, besides having pronounced affinity for negatively charged membranes and antifungal activity. "( Biophysical and biological properties of small linear peptides derived from crotamine, a cationic antimicrobial/antitumoral toxin with cell penetrating and cargo delivery abilities.
Campeiro, JD; Dal Mas, C; Hayashi, MAF; Mattei, B; Miranda, A; Oliveira, EB; Oliveira, V; Perez, KR; Pinheiro, DA, 2017
)
2.13
"Crotamine is a cationic, non-enzymatic, protein integrating a minor family of myotoxins, composed of 42 amino acid residues, described in Viperidae and Crotalidae snake's families that has been used in neuroscience research, drug progressing and molecular diversity reports. "( Crotamine-like from Southern Pacific rattlesnake (Crotalus oreganus helleri) Venom acts on human leukemia (K-562) cell lines and produces ultrastructural changes on mice adrenal gland.
Fernández, I; Finol, HJ; García, S; Girón, ME; González, R; Lucena, S; Rodríguez-Acosta, A; Sánchez, EE; Suntravat, M,
)
3.02
"Crotamine is a highly cationic; cysteine rich, cross-linked, low molecular mass cell penetrating peptide (CPP) from the venom of the South American rattlesnake. "( Co-Localization of Crotamine with Internal Membranes and Accentuated Accumulation in Tumor Cells.
Brandão Prieto da Silva, AR; Kerkis, I; Mambelli-Lisboa, NC; Sciani, JM, 2018
)
2.25
"Crotamine is a basic, low-molecular-weight peptide that, at low concentrations, improves neurotransmission in isolated neuromuscular preparations by modulating sodium channels. "( Beneficial effect of crotamine in the treatment of myasthenic rats.
Borja-Oliveira, CR; Dal-Belo, CA; Hernandez-Oliveira e Silva, S; Randazzo-Moura, P; Rocha-e-Silva, TA; Rodrigues-Simioni, L; Rostelato-Ferreira, S; Sanchez, EF, 2013
)
2.15
"Crotamine is a small, highly basic myotoxin from the venom of the South American rattlesnake Crotalus durissus terifficus. "( Membrane-modifying properties of crotamine, a small peptide-toxin from Crotalus durissus terifficus venom.
Bosch, B; Fernandes de Lima, VM; Hanke, W; Sieber, M, 2014
)
2.13
"Crotamine is a peptide toxin found in the venom of the rattlesnake Crotalus durissus terrificus. "( Soluble prokaryotic expression and purification of crotamine using an N-terminal maltose-binding protein tag.
Choe, H; Jeong, B; Jo, SH; Koo, BK; Robinson, RC; Vu, TT; Yu, J, 2014
)
2.1
"Crotamine is a peptide toxin found in the venom of the rattlesnake Crotalus durissus terrificus and has antiproliferative, antimicrobial, and antifungal activities. "( Crotamine stimulates phagocytic activity by inducing nitric oxide and TNF-α via p38 and NFκ-B signaling in RAW 264.7 macrophages.
Choe, H; Chung, B; Do, BH; Kim, SC; Kim, YK; Krupa, M; Lee, KJ; Nguyen, AN; Vu, TT, 2016
)
3.32
"Crotamine is a small basic myotoxin peptide of Crotalus durissus venom, with beta-defensin scafold and variable concentration in individual venoms. "( Intraspecific variation of the crotamine and crotasin genes in Crotalus durissus rattlesnakes.
Collares, MA; Ferrarezzi, H; Furtado, MF; Oguiura, N; Suzuki, H, 2009
)
2.08
"Crotamine is a druggable peptide with high potential for use as an imaging agent for detecting dividing cells, for intracellular delivery of hydrophilic biomolecules, and as an alternative chemotherapeutic compound against aggressive types of cancer."( Biological versatility of crotamine--a cationic peptide from the venom of a South American rattlesnake.
Kerkis, A; Kerkis, I; Pereira, A; Rádis-Baptista, G; Silva, Fde S, 2010
)
2.1
"Crotamine is a basic, 42-residue polypeptide derived from snake venom that has been shown to possess cell-penetrating properties. "( Crotamine: a novel cell-penetrating polypeptide nanocarrier with potential anti-cancer and biotechnological applications.
Hayashi, MA; Karpel, RL; Kerkis, I; Oliveira, EB, 2012
)
3.26
"Crotamine is a highly basic peptide from the venom of Crotalus durissus terrificus rattlesnake. "( Unraveling the antifungal activity of a South American rattlesnake toxin crotamine.
Bizerra, FC; da Silva, ID; de Souza, AO; Hayashi, MA; Karpel, RL; Moreira, JT; Nunes, GL; Oliveira, EB; Rajabi, M; Silva, PI; Yamane, ES; Yamane, T, 2013
)
2.06
"Crotamine is a component of the venom of the snake Crotalus durissus terrificus and it belongs to the myotoxin protein family. "( Solution structure of crotamine, a Na+ channel affecting toxin from Crotalus durissus terrificus venom.
de Chiara, C; Franzoni, L; Giglio, JR; Mancin, AC; Nicastro, G; Spisni, A, 2003
)
2.08
"Crotamine is a 42 amino acid-long basic polypeptide, one of the major components of the South American rattlesnake, Crotalus durissus terrificus, venom. "( Structure and chromosomal localization of the gene for crotamine, a toxin from the South American rattlesnake, Crotalus durissus terrificus.
Almeida, TM; Batistic, RF; Kubo, T; Oguiura, N; Oliveira, EB; Rádis-Baptista, G; Svartman, M; Vianna-Morgante, AM; Yamane, T, 2003
)
2.01
"Crotamine is a cationic peptide (4.9 kDa, pI 9.5) of South American rattlesnake, Crotalus durissus terrificus' venom. "( Identification of crotasin, a crotamine-related gene of Crotalus durissus terrificus.
Hayashi, MA; Kubo, T; Oguiura, N; Oliveira, EB; Prieto da Silva, AR; Rádis-Baptista, G; Yamane, T, 2004
)
2.05
"Crotamine is a toxin from the Crotalus durissus terrificus venom, composed of 42 amino acid residues and three disulfide bridges. "( New view on crotamine, a small basic polypeptide myotoxin from South American rattlesnake venom.
Boni-Mitake, M; Oguiura, N; Rádis-Baptista, G, 2005
)
2.15
"Crotamine is a strong basic polypeptide from Crotalus durissus terrificus (Cdt) venom composed of 42 amino acid residues tightly bound by three disulfide bonds. "( Distribution of (125)I-labeled crotamine in mice tissues.
Boni-Mitake, M; Costa, H; Rogero, JR; Vassilieff, VS, 2006
)
2.06
"Crotamine is a peptide toxin from the venom of the rattlesnake Crotalus durissus terrificus that induces a typical hind-limb paralysis of unknown nature. "( Crotamine inhibits preferentially fast-twitching muscles but is inactive on sodium channels.
Carvalho-de-Souza, JL; Cassola, AC; Rizzi, CT; Schiavon, E; Troncone, LR; Wanke, E, 2007
)
3.23
"Crotamine is a strongly basic polypeptide (pI 10.3) from Crotalus durissus terrificus venom composed of 42 amino acid residues."( Effects of (60)Co gamma radiation on crotamine.
Boni-Mitake, M; Costa, H; Rogero, JR; Spencer, PJ; Vassilieff, VS, 2001
)
1.3

Effects

Crotamine cytotoxicity has been shown to be dependent on the disruption of lysosomes and subsequent activation of intracellular proteases. This specificity has been demonstrated for crotamine-facilitated delivery of plasmid DNA.

ExcerptReferenceRelevance
"Crotamine has been shown to selectively disrupt rapidly dividing cells and this specificity has been demonstrated for crotamine-facilitated delivery of plasmid DNA Thus, crotamine, or a variant of the protein, could have important clinical and/or diagnostic roles."( DNA Binding Proteins and Drug Delivery Vehicles: Tales of Elephants and Snakes.
Karpel, RL, 2015
)
1.14
"Crotamine cytotoxicity has been shown to be dependent on the disruption of lysosomes and subsequent activation of intracellular proteases."( The natural cell-penetrating peptide crotamine targets tumor tissue in vivo and triggers a lethal calcium-dependent pathway in cultured cells.
Coll, JL; Hayashi, MA; Kerkis, I; Nader, HB; Nascimento, FD; Oliveira, EB; Oliveira, V; Pereira, A; Rome, C; Sancey, L; Tersariol, IL; Yamane, T, 2012
)
1.37

Actions

ExcerptReferenceRelevance
"Crotamine did not cause lethality or signs of intoxication up to the maximum dose tested (10.88 mg/kg)."( Acute toxicity, antinociceptive, and anti-inflammatory activities of the orally administered crotamine in mice.
Carvalho, AAV; Carvalho, PMG; Cruz, AC; Cunha, LC; Fajemiroye, JO; Magalhães, MR; Moreira, LA; Oliveira, LP; Oliveira, SAM; Oliveira-Neto, JR, 2021
)
1.56

Treatment

ExcerptReferenceRelevance
"The crotamine-treated group received 1 μg/day of crotamine per animal, subcutaneously which was well tolerated; the untreated group received a placebo."( Crotamine toxicity and efficacy in mouse models of melanoma.
Hayashi, MA; Kerkis, A; Kerkis, I; Oliveira, EB; Pereira, A; Pereira, AS; Prieto da Silva, AR; Rádis-Baptista, G; Silva, FS; Yamane, T, 2011
)
2.29

Toxicity

Crotamine is one of the main toxic components of Crotalus durissus terrificus venom. It causes hind limb paralysis and necrosis of muscle cells. The lethal toxic concentration of RhoB-crotamine was as low as 4 μm.

ExcerptReferenceRelevance
"Crotamine, one of the main toxic components of Crotalus durissus terrificus venom, is a small non-enzymatic basic polypeptide, which causes hind limb paralysis and necrosis of muscle cells."( Cytotoxic effects of crotamine are mediated through lysosomal membrane permeabilization.
Hayashi, MA; Kerkis, A; Kerkis, I; Nader, HB; Nascimento, FD; Oliveira, EB; Oliveira, V; Pereira, A; Rádis-Baptista, G; Tersariol, IL; Yamane, T, 2008
)
2.11
" The lethal toxic concentration of RhoB-crotamine was as low as 4 μM, which effectively kill zebrafish larvae in less than 10 min."( Evaluation in zebrafish model of the toxicity of rhodamine B-conjugated crotamine, a peptide potentially useful for diagnostics and therapeutics.
Chan, JY; Chan, SW; Kwan, YW; Lee, SM; Radis-Baptista, G; Zhou, H, 2017
)
0.96
" In addition, biochemical biomarkers and also histopathological analysis showed both the absence of any potential toxic effects in tissues or organs of the animal in which the highest accumulation of crotamine is expected."( Oral treatment with a rattlesnake native polypeptide crotamine efficiently inhibits the tumor growth with no potential toxicity for the host animal and with suggestive positive effects on animal metabolic profile.
Campeiro, JD; Carapeto, FC; Carvalho Porta, L; Dal Mas, C; Hayashi, MAF; Marinovic, MP; Monte, GG; Nering, MB; Oliveira, EB, 2018
)
0.92
" The up-and-down procedure and hippocratic screening were carried out to evaluate possible pharmacological and toxic effects."( Acute toxicity, antinociceptive, and anti-inflammatory activities of the orally administered crotamine in mice.
Carvalho, AAV; Carvalho, PMG; Cruz, AC; Cunha, LC; Fajemiroye, JO; Magalhães, MR; Moreira, LA; Oliveira, LP; Oliveira, SAM; Oliveira-Neto, JR, 2021
)
0.84
[information is derived through text-mining from research data collected from National Library of Medicine (NLM), extracted Dec-2023]

Research

Studies (114)

TimeframeStudies, This Drug (%)All Drugs %
pre-199016 (14.04)18.7374
1990's10 (8.77)18.2507
2000's21 (18.42)29.6817
2010's46 (40.35)24.3611
2020's21 (18.42)2.80
[information is prepared from research data collected from National Library of Medicine (NLM), extracted Dec-2023]

Market Indicators

Research Demand Index: 29.87

According to the monthly volume, diversity, and competition of internet searches for this compound, as well the volume and growth of publications, there is estimated to be moderate demand-to-supply ratio for research on this compound.

MetricThis Compound (vs All)
Research Demand Index29.87 (24.57)
Research Supply Index4.76 (2.92)
Research Growth Index4.96 (4.65)
Search Engine Demand Index39.34 (26.88)
Search Engine Supply Index2.00 (0.95)

This Compound (29.87)

All Compounds (24.57)

Study Types

Publication TypeThis drug (%)All Drugs (%)
Trials0 (0.00%)5.53%
Reviews8 (6.90%)6.00%
Case Studies0 (0.00%)4.05%
Observational0 (0.00%)0.25%
Other108 (93.10%)84.16%
[information is prepared from research data collected from National Library of Medicine (NLM), extracted Dec-2023]