Page last updated: 2024-11-13

leukotoxin

Description Research Excerpts Clinical Trials Roles Classes Pathways Study Profile Bioassays Related Drugs Related Conditions Protein Interactions Research Growth Market Indicators

Description

leukotoxin: do not confuse with leukotoxin which is 9,10-epoxy-12-octadecenoate [Medical Subject Headings (MeSH), National Library of Medicine, extracted Dec-2023]

Cross-References

ID SourceID
PubMed CID53394288
SCHEMBL ID2567399
MeSH IDM0070266

Synonyms (6)

Synonym
53734-70-6
leukotoxin
SCHEMBL2567399
9,10-dihydroxyoctadec-12-enoic acid
DTXSID30694012
PD049025

Research Excerpts

Overview

Leukotoxin LukE/D is a member of the bicomponent toxin family. It is a protein that is secreted by Aggregatibacter actinomycetemcomitans. It primarily targets the active form of leukocyte function associated antigen 1 (LFA1) on WBC.

ExcerptReferenceRelevance
"Leukotoxin is a well-known virulence factor of animal isolates of Fusobacterium necrophorum subspecies necrophorum, and is also expressed by animal isolates of subspecies funduliforme, whereas its presence in isolates from humans has not been fully established. "( Three variants of the leukotoxin gene in human isolates of Fusobacterium necrophorum subspecies funduliforme.
Collin, M; Hagelskjær-Kristensen, L; Holm, K; Jensen, A; Rasmussen, M, 2017
)
2.21
"Leukotoxin LukE/D is a member of the bicomponent toxin family, but to date, no study concerning its involvement in host-pathogen interactions has been reported."( Activation of neutrophils by the two-component leukotoxin LukE/D from Staphylococcus aureus: proteomic analysis of the secretions.
Aslam, R; Dorsselaer, Av; Haikel, Y; Keller, D; Laventie, BJ; Marban, C; Metz-Boutigue, MH; Prévost, G; Strub, JM; Taddei, C, 2013
)
1.37
"Leukotoxin is a protein that is secreted by Aggregatibacter actinomycetemcomitans and that primarily targets the active form of leukocyte function associated antigen 1 (LFA1) on WBC. "( Leukotoxin kills rodent WBC by targeting leukocyte function associated antigen 1.
DiFranco, KM; Kachlany, SC; Kasinathan, C; Kaswala, RH; Patel, C, 2013
)
3.28
"Leukotoxin (LtxA) is a protein secreted from the oral bacterium Aggregatibacter actinomycetemcomitans. "( LFA-1-targeting Leukotoxin (LtxA; Leukothera®) causes lymphoma tumor regression in a humanized mouse model and requires caspase-8 and Fas to kill malignant lymphocytes.
Belinka, BA; Bertino, JR; DiFranco, KM; Elson, D; Johnson-Farley, N; Kachlany, SC; Vega, BA, 2015
)
2.21
"Leukotoxin (Ltx) is a prominent virulence factor produced by Aggregatibacter actinomycetemcomitans, an oral microorganism highly associated with aggressive periodontitis. "( Profound Effects of Aggregatibacter actinomycetemcomitans Leukotoxin Mutation on Adherence Properties Are Clarified in in vitro Experiments.
Fine, DH; Godboley, D; Sampathkumar, V; Velusamy, SK, 2016
)
2.12
"Leukotoxin (LKT) is a virulence factor for Mannheimia haemolytica. "( Cytotoxicity and cytokine production by bovine alveolar macrophages challenged with wild type and leukotoxin-deficient Mannheimia haemolytica.
Confer, AW; Hope, JC; Ritchey, JW; Rizzi, T; Singh, K; Weng, HY; Wyckoff, JH, 2011
)
2.03
"Leukotoxin (LtxA) is a protein toxin that is secreted from the oral bacterium, Aggregatibacter actinomycetemcomitans. "( Leukotoxin (Leukothera®) targets active leukocyte function antigen-1 (LFA-1) protein and triggers a lysosomal mediated cell death pathway.
DiFranco, KM; Fineza, CD; Galusha, LE; Gupta, A; Kachlany, SC; Nguyen, TK; Perez, J, 2012
)
3.26
"Leukotoxin (LtxA) is a virulence factor secreted by the bacterium Aggregatibacter actinomycetemcomitans, which can cause localized aggressive periodontitis and endocarditis. "( Leukotoxin from Aggregatibacter actinomycetemcomitans causes shrinkage and P2X receptor-dependent lysis of human erythrocytes.
Leipziger, J; Munksgaard, PS; Poulsen, K; Praetorius, HA; Reinholdt, J; Skals, M; Söderström, CM; Vorup-Jensen, T, 2012
)
3.26
"The leukotoxin is a membranolytic cytotoxin and cells exposed to MVs were lysed by vesicle-associated toxin in a time and dose-dependent manner."( Interaction of Actinobacillus actinomycetemcomitans outer membrane vesicles with HL60 cells does not require leukotoxin.
Demuth, DR; James, D; Kato, S; Kowashi, Y, 2003
)
1.01
"The leukotoxin (LktA) is a member of the RTX (repeats in toxin) family of bacterial cytolysins and is distinguished from other toxins by its unique target cell specificity to ruminant leukocytes occurring through binding to a specific receptor."( Characterization of Mannheimia (Pasteurella) haemolytica leukotoxin interaction with bovine alveolar macrophage beta2 integrins.
Dileepan, T; Kannan, MS; Maheswaran, SK; Thumbikat, P,
)
0.86
"Leukotoxin is a member of the highly conserved repeat toxin (RTX) family of bacterial toxins expressed by a variety of pathogenic bacteria."( Secretion of RTX leukotoxin by Actinobacillus actinomycetemcomitans.
Figurski, DH; Fine, DH; Kachlany, SC, 2000
)
1.37
"Leukotoxins are a group of exotoxins that produce their primary toxic effects against leukocytes, especially polymorphonuclear cells (PMNs). "( Leukotoxins of gram-negative bacteria.
Chengappa, MM; Nagaraja, TG; Narayanan, SK; Stewart, GC, 2002
)
3.2
"Leukotoxin is a poreforming cytolysin that affects ruminant leukocytes and platelets by altering function at low levels but causing lysis at high levels."( Molecular aspects of virulence of Pasteurella haemolytica.
Clinkenbeard, KD; Confer, AW; Mosier, DA; Panciera, RJ, 1990
)
1

Treatment

ExcerptReferenceRelevance
"Leukotoxin activity in treated samples was determined by inhibition of the luminol-dependent chemiluminescence response of bovine neutrophils."( Pasteurella haemolytica leukotoxin: physicochemical characteristics and susceptibility of leukotoxin to enzymatic treatment.
Chang, YF; Renshaw, HW; Richards, AB, 1986
)
1.3

Toxicity

ExcerptReferenceRelevance
" Mild, transient lameness in most bighorns 1 day after initial vaccination was the only adverse effect observed."( Evaluation of a multivalent Pasteurella haemolytica vaccine in bighorn sheep: safety and serologic responses.
Bulgin, JM; Conlon, JA; McNeil, HJ; Miller, MW; Ward, AC, 1997
)
0.3
" actinomycetemcomitans from Japanese periodontitis patients exhibits the highly toxic phenotype."( A novel insertion sequence increases the expression of leukotoxicity in Actinobacillus actinomycetemcomitans clinical isolates.
Demuth, DR; He, T; Ishikawa, I; Nishihara, T, 1999
)
0.3
"Soluble epoxide hydrolase (sEH) is suggested to alter the mode of action and increase the toxic potency of fatty acid epoxides."( Toxicity of epoxy fatty acids and related compounds to cells expressing human soluble epoxide hydrolase.
Greene, JF; Hammock, BD; Newman, JW; Williamson, KC, 2000
)
0.31

Dosage Studied

The response of the bovine platelet suspensions to leukotoxin extract protein was dependent on the dosage. Since the dose-response relationship is not typical of a drug-receptor interaction, it appears unlikely that the leukOToxin is a direct agonist of H1 receptors.

ExcerptRelevanceReference
" Since the dose-response relationship is not typical of a drug-receptor interaction, it appears unlikely that the leukotoxin is a direct agonist of H1 receptors."( Effects of Pasteurella haemolytica culture supernate on bovine tracheal smooth muscle.
Bélanger, A; Harris, WH; Yamashiro, S, 1993
)
0.5
" The response of the bovine platelet suspensions to leukotoxin extract protein was dependent on the dosage of the leukotoxin."( Bovine platelet adhesion is enhanced by leukotoxin and sialoglycoprotease isolated from Pasteurella haemolytica A1 cultures.
Coomber, BL; Gentry, PA; Mellors, A; Nyarko, KA, 1998
)
0.82
" actinomycetemcomitans-mediated cytotoxicity, but a multiple dosing strategy had improved effects."( Epigallocatechin gallate alters leukotoxin secretion and Aggregatibacter actinomycetemcomitans virulence.
Brown, AC; Chang, EH, 2021
)
0.9
"Together, these results demonstrate that EGCg has important, but complicated, effects on toxin secretion and activity; new dosing strategies and comprehensive model systems may be required to properly develop these anti-virulence activities."( Epigallocatechin gallate alters leukotoxin secretion and Aggregatibacter actinomycetemcomitans virulence.
Brown, AC; Chang, EH, 2021
)
0.9
[information is derived through text-mining from research data collected from National Library of Medicine (NLM), extracted Dec-2023]

Research

Studies (574)

TimeframeStudies, This Drug (%)All Drugs %
pre-199065 (11.32)18.7374
1990's191 (33.28)18.2507
2000's168 (29.27)29.6817
2010's130 (22.65)24.3611
2020's20 (3.48)2.80
[information is prepared from research data collected from National Library of Medicine (NLM), extracted Dec-2023]

Market Indicators

Research Demand Index: 33.64

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 Index33.64 (24.57)
Research Supply Index6.40 (2.92)
Research Growth Index4.80 (4.65)
Search Engine Demand Index50.49 (26.88)
Search Engine Supply Index2.00 (0.95)

This Compound (33.64)

All Compounds (24.57)

Study Types

Publication TypeThis drug (%)All Drugs (%)
Trials6 (1.01%)5.53%
Reviews33 (5.56%)6.00%
Case Studies6 (1.01%)4.05%
Observational0 (0.00%)0.25%
Other548 (92.41%)84.16%
[information is prepared from research data collected from National Library of Medicine (NLM), extracted Dec-2023]