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Results for "

toxic peptide

" in MedChemExpress (MCE) Product Catalog:

By Targets:	Amyloid-β (6) Peptide-Drug Conjugates (PDCs) (1) Amino Acid Derivatives (1) Antibiotic (3) Apoptosis (1) Bacterial (10) Biochemical Assay Reagents (2) Calcium Channel (3) Cholinesterase (ChE) (1) COX (1) Endogenous Metabolite (1) Epigenetic Reader Domain (2) FAK (2) Fungal (2) Interleukin Related (2) JAK (2) Kallikrein (1) Microtubule/Tubulin (1) Oxytocin Receptor (2) Piezo Channel (2) Potassium Channel (1) Radionuclide-Drug Conjugates (RDCs) (1) Ser/Thr Protease (1) Somatostatin Receptor (1) Topoisomerase (1) TRP Channel (2) α-synuclein (1)
By Research Areas:	Cancer (6) Cardiovascular Disease (2) Endocrinology (4) Infection (14) Inflammation/Immunology (5) Metabolic Disease (1) Neurological Disease (13)
Oligonucleotides:	Polymers (1)

Inhibitors & Agonists

Screening Libraries

Peptides

Inhibitory Antibodies

Natural
Products

Oligonucleotides

Targets Recommended: Formyl Peptide Receptor (FPR) Peptide-Drug Conjugates (PDCs) Natriuretic Peptide Receptor (NPR) RXFP Receptor CGRP Receptor Amyloid-β

Cat. No.	Product Name	Target	Research Areas	Chemical Structure

HY-P3215

Oxytocin parallel dimer	Oxytocin Receptor	Endocrinology
Oxytocin parallel dimer is the disulfide-bridged homo peptide dimer. Oxytocin dimer has oxytocin and vasopressin-like activity with less toxic than oxytocin .

HY-W010041

Scyllo-Inositol	Amyloid-β Endogenous Metabolite	Neurological Disease
Scyllo-Inositol, an amyloid inhibitor, potentialy inhibits α-synuclein aggregation. Scyllo-Inositol stabilizes a non-fibrillar non-toxic form of amyloid-β peptide (Aβ42) in vitro, reverses cognitive deficits, and reduces synaptic toxicity and lowers amyloid plaques in an Alzheimer's disease mouse model .

HY-P3215A

Oxytocin parallel dimer TFA	Oxytocin Receptor	Endocrinology
Oxytocin parallel dimer TFA is the disulfide-bridged homo peptide dimer. Oxytocin dimer has oxytocin and vasopressin-like activity with less toxic than oxytocin .

HY-P10560

M918	Biochemical Assay Reagents	Others
M918 is a cell-penetrating peptide. M918 is internalized by cells through endocytosis and can effectively penetrate a variety of cells in a non-toxic manner. M918 can be used in gene therapy and drug delivery system research .

HY-P5853

Aam-KTX	Potassium Channel	Inflammation/Immunology
Aam-KTX is a K_v channel inhibitor with IC₅₀ values of 1.1 nM and >750 nM for K_v1.3 and K_v1.1, respectively. Aam-KTX is a toxic peptide obtained from the venom of the scorpion Mesobuthus eupeus. Aam-KTX has potential in autoimmune diseases research .

HY-P10546

Polyalanine peptide pALA	Bacterial	Infection
Polyalanine peptide (pALA) is an antimicrobial peptide that targets biofilms and Gram-negative bacteria and is non-toxic to mammalian cells. Polyalanine peptide forms an α-helical conformation that effectively permeabilizes Gram-negative bacterial membranes, thereby inducing lethal cell leakage. Polyalanine peptide can be used in anti-infection research .

HY-P5639

Gageotetrin A	Fungal	Infection
Gageotetrin A is an antimicrobial peptide derived from the marine bacterium Bacillus subtilis. Gageotetrin A has antifungal activity, but none toxic to numerous human cancer cells .

HY-P5486

Tet-20	Bacterial	Others
Tet-20 is a biological active peptide. (Tet-20, is a synthetic cathelicidin-derived peptide. It was tested as infection-resistant coating for medical devices. When tethered on an implant surface Tet-20 exhibited broad antimicrobial activities both in vivo and in vitro. It can stop biofilm formation and appears to be non-toxic to eukaryotic cells)

HY-P10741

DOTA-EB-TATE	Radionuclide-Drug Conjugates (RDCs) Peptide-Drug Conjugates (PDCs) Somatostatin Receptor	Cancer
DOTA-EB-TATE is composed of SST peptide derivative, DOTA-octreotate conjugated a common to an Evans blue analog (EB). DOTA-EB-TATE is a peptide drug conjugate (PDC) improves the pharmacokinetics of SSTR2 analogs and reduces PRRT toxicity. DOTA-EB-TATE can also be used for the synthesis/research of Radionuclide-Drug Conjugates (RDCs) .

HY-P0033A

Argireline acetate Acetyl hexapeptide-3 acetate	Calcium Channel	Neurological Disease
Argireline acetate (Acetyl hexapeptide-3 acetate) is a non-toxic, skin-permeable, antiwrinkle peptide. Argireline acetate significantly inhibits Ca ²⁺ dependent neurotransmitter release (acetylcholine) at the neuromuscular junction. Argireline acetate has antiwrinkle and anti-aging activity .

HY-P0033

Argireline Acetyl hexapeptide-3	Calcium Channel	Neurological Disease
Argireline (Acetyl hexapeptide-3) is a non-toxic, skin-permeable, antiwrinkle peptide. Argireline significantly inhibits Ca ²⁺ dependent neurotransmitter release (acetylcholine) at the neuromuscular junction. Argireline has antiwrinkle and anti-aging activity .

HY-105174

BPC 157	JAK FAK	Inflammation/Immunology
BPC 157 is the 15-amino acide fragment of gastric peptide BPC. BPC 157 exhibits wound healing promoting and neuroprotective activity. BPC 157 maintains the integrity of the gastrointestinal mucosa without significant toxicity. BPC 157 acetate counteracts NSAIDs/insulin overdose/copper-induced toxicity. BPC 157 ameliorates specific (over)stimulated/damaged neurotransmitter systems-induced behavioral disorders through serotonergic and dopaminergic systems .

HY-P3912

Endotoxin inhibitor	COX Interleukin Related	Infection
Endotoxin inhibitor a synthetic peptide that binds lipid A with high affinity, thereby detoxifying LPS (HY-D1056) and preventing LPS-induced cytokine release in vivo. Endotoxin inhibitor inhibits the febrile response to LPS with very low toxicity and lethality .

HY-116942

2002-H20	Amyloid-β	Neurological Disease
2002-H20 is an inhibitor of Aβ42-induced cytotoxicity, with the activity of reducing the cytotoxicity of Alzheimer's disease Aβ peptide by binding to it. 2002-H20 protects cells and reduces Aβ toxicity by promoting fibril formation, possibly by accelerating Aβ aggregation. The screening method of 2002-H20 effectively identifies compounds that reduce Aβ toxicity and presents potential inhibitory leads .

HY-P3912A

Endotoxin inhibitor TFA	Interleukin Related	Infection
Endotoxin inhibitor TFA is a synthetic peptide that binds lipid A with high affinity, thereby detoxifying LPS (HY-D1056) and preventing LPS-induced cytokine release in vivo. Endotoxin inhibitor TFA inhibits the febrile response to LPS with very low toxicity and lethality .

HY-105174A

BPC 157 acetate	JAK FAK	Neurological Disease Metabolic Disease
BPC 157 acetate is the acetate salt form of BPC 157 (HY-105174). BPC 157 acetate is the 15-amino acide fragment of gastric peptide BPC. BPC 157 acetate exhibits wound healing promoting and neuroprotective activity. BPC 157 acetate maintains the integrity of the gastrointestinal mucosa without significant toxicity. BPC 157 acetate counteracts NSAIDs/insulin overdose/copper-induced toxicity. BPC 157 acetate ameliorates specific (over)stimulated/damaged neurotransmitter systems-induced behavioral disorders through serotonergic and dopaminergic systems .

HY-P10037

β Amyloid(17-28) human	Amyloid-β	Neurological Disease
β Amyloid(17-28) human is a β-amyloid peptide (Abeta), a lipid-induced amyloid core fragment. β Amyloid(17-28) human enhances aggregation of full-length β Amyloid40, producing toxic aggregates in Alzheimer's disease (AD) .

HY-113003

H-γ-Glu-Gln-OH γ-Glutamylglutamine; γ-Glu-Gln	Amino Acid Derivatives	Others Cancer
H-γ-Glu-Gln-OH is a hydrophilic peptide and can be conjugated to drugs. The carrier composed of H-γ-Glu-Gln-OH has the characteristics of high water solubility and drug-loading capacity, good biocompatibility, low toxicity, improved tumor targeting ability, and anti-tumor efficacy .

HY-162339

BChE-IN-30	Cholinesterase (ChE)	Neurological Disease
BChE-IN-30 (compound (R)-37a) is a BChE inhibitor (IC₅₀: 5 nM) with anti-inflammatory activity and low toxicity. BChE-IN-30 can improve cognitive deficits induced by scopolamine and Aβ1-42 peptide and can be used in the study of late-stage AD .

HY-109127A

Berotralstat dihydrochloride 1 Publications Verification BCX7353 dihydrochloride	Kallikrein	Others
Berotralstat dihydrochloride is a low toxicity, effective, highly specific, second-generation, synthetic and orally active plasma kallikrein inhibitor used for the research of hereditary angioedema (HAE) attacks. Berotralstat dihydrochloride works by blocking the enzymatic activity of plasma kallikrein in releasing bradykinin, the major biologic peptide that promotes swelling and pain associated with attacks of HAE .

HY-106783

Polymyxin B nonapeptide 2 Publications Verification	Bacterial Antibiotic	Infection
Polymyxin B nonapeptide is a cyclic peptide obtained from Polymyxin B by proteolytic removal of its terminal amino acyl residue. Polymyxin B nonapeptide is less toxic, lacks bactericidal activity, and retains its ability to render gram-negative bacteria susceptible to several antibiotics by permeabilizing their outer membranes .

HY-P10539

Hp1404	Bacterial	Infection
Hp1404 is a novel cationic antimicrobial peptide. Hp1404 has specific inhibitory activity against Gram-positive bacteria, including Staphylococcus aureus (MRSA) resistant to Laburnetin (HY-N7382). Hp1404 has antimicrobial activity, low toxicity, and is not prone to drug resistance, and can be used in the research of antimicrobial agents .

HY-P3350

LS-BF1	Bacterial	Infection
LS-BF1 is a stable and low toxic cationic antimicrobial peptide. LS-BF1 displays broad spectrum of antibacterial activity, including the challenging ESKAPE pathogens, by cell membrane disruptive mechanism. LS-BF1 shows good in vivo efficacy for elimination of bacteria in a mouse infection model[1].

HY-106783A

Polymyxin B nonapeptide TFA 2 Publications Verification	Bacterial Antibiotic	Infection
Polymyxin B nonapeptide TFA is a cyclic peptide obtained from Polymyxin B by proteolytic removal of its terminal amino acyl residue. Polymyxin B nonapeptide TFA is less toxic, lacks bactericidal activity, and retains its ability to render gram-negative bacteria susceptible to several antibiotics by permeabilizing their outer membranes .

HY-P10411

BING	Bacterial	Infection
BING is an antimicrobial peptide that can be isolated from Japanese medaka fish. BING shows a broad-spectrum toxicity against pathogenic bacteria including drug-resistant strains. BING induces a deregulation of periplasmic peptidyl-prolyl isomerases in gram-negative bacteria, and reduces the RNA level of cpxR, which plays a crucial role in the development of antimicrobial resistance .

HY-P2320

IDR-1	Bacterial	Infection Inflammation/Immunology
IDR-1 is an antimicrobial peptide that is active against Gram-positive and Gram-negative bacteria. IDR-1 counters infection by selective modulation of innate immunity without obvious toxicities. IDR-1 has anti-inflammatory and anti-infective properties, enhances the levels of monocyte chemokines, and attenuates pro-inflammatory cytokine release .

HY-P1629

Temporin A	Bacterial Fungal Antibiotic	Infection
Temporin A is a short alpha-helical antimicrobial peptide isolated from the skin of the frog Rana temporaria. Temporin A is effective against a broad spectrum of Gram-positive bacteria. Temporin A interacts directly with the cell membrane of the microorganism and it is non-toxic to erythrocytes at concentrations that are antimicrobial. Temporin A also has antifungal activities (against yeast-like Candida albicans) .

HY-P10511

Pantinin-3	Apoptosis	Infection Cancer
Pantinin-3 is an antimicrobial peptide with antitumor activity found in the venom of the emperor scorpion (Pandinus imperator). Pantinin-3 shows selective toxicity against breast cancer cells (MDA-MB-231) and prostate cancer cells (DU-145). Pantinin-3 can induce apoptosis in tumor cells. Pantinin-3 can be used in cancer research .

HY-P10360

Tat-βsyn-degron	α-synuclein	Neurological Disease
Tat-βsyn-degron is an α-synuclein knockdown peptide that effectively degrades α-synuclein protein via the proteasome pathway. Tat-βsyn-degron effectively reduces α-synuclein protein levels in primary rat cortical neuron cultures. In a Parkinson's mouse toxicity model, Tat-βsyn-degron can alleviate parkinsonian toxin-induced neuronal damage and movement disorders .

HY-B2247A

PLGA (75:25) 1 Publications Verification poly(lactic-co-glycolic acid) (75:25)	Biochemical Assay Reagents	Others
PLGA (75:25) is a low toxicity, biocompatible and biodegradable controlled drug delivery carrier, can achieve slow release in the organism. PLGA (75:25) is a copolymer of 75% poly lactic acid (PLA) and 25% poly glycolic acid (PGA). PLGA (75:25) has been extensively studied as delivery vehicles for agents, proteins and various other macromolecules such as DNA, RNA and peptides .

HY-P1410

GsMTx4 Maximum Cited Publications 58 Publications Verification	TRP Channel Piezo Channel	Cardiovascular Disease Neurological Disease Inflammation/Immunology
GsMTx4 is a spider venom peptide that selectively inhibits cationic-permeable mechanosensitive channels (MSCs) belonging to the Piezo and TRP channel families. GsMTx4 also blocks cation-selective stretch-activated channels (SACs) , attenuates lysophosphatidylcholine (LPC)-induced astrocyte toxicity and microglial reactivity. GsMTx4 is an important pharmacological tool for identifying the role of these excitatory MSCs in normal physiology and pathology .

HY-P1047

β-Sheet Breaker Peptide iAβ5 [Pro18, Asp21] β-Amyloid (17-21)	Amyloid-β	Neurological Disease
β-Sheet Breaker Peptide iAβ5 is an effective brain amyloid-β (Abeta) degrader. Abeta deposits are associated with Alzheimer's disease (AD), and the related toxicity arises from its β-sheet conformation and aggregation. β-Sheet Breaker Peptide iAβ5 can repeatedly induce the degradation of fibrillary amyloid deposits in vivo. Therefore, β-Sheet Breaker Peptide iAβ5 can prevent and/or reverse neuronal contraction caused by Abeta and reduce the range of interleukin IL-1beta positive microglial-like cells around Abeta deposits. β-Sheet Breaker Peptide iAβ5 can reduce the size and/or number of brain amyloid plaques in AD. β-Sheet Breaker Peptide iAβ5 is labeled with a hydrophobic benzyl alcohol (HBA) tag and shows a bright blue color under acidic conditions, which can be used for quantitative determination.

HY-109127R

Berotralstat (Standard)	Ser/Thr Protease	Others
Berotralstat (Standard) is the analytical standard of Berotralstat. This product is intended for research and analytical applications. Berotralstat (BCX7353) is a low toxicity, effective, highly specific, second-generation, synthetic and orally active plasma kallikrein inhibitor used for the research of hereditary angioedema (HAE) attacks. Berotralstat works by blocking the enzymatic activity of plasma kallikrein in releasing bradykinin, the major biologic peptide that promotes swelling and pain associated with attacks of HAE .

HY-105066

Davunetide 1 Publications Verification	Microtubule/Tubulin Amyloid-β	Neurological Disease
Davunetide is an eight amino acid snippet derived from activity-dependent neuroprotective protein (ADNP), a neurotrophic factor that exists in the mammalian CNS. Davunetide possesses neuroprotective, neurotrophic and cognitive protective roperties. Davunetide, a microtubule-stabilizing peptide, interacts with and stabilises neuron-specific βIII-tubulin in vitro. Davunetide penetrates the blood-brain barrier and is non-toxic. Davunetide inhibits Aβ aggregation and Aβ-induced neurotoxicity .

HY-P1410A

GsMTx4 TFA Maximum Cited Publications 58 Publications Verification	TRP Channel Piezo Channel	Cardiovascular Disease Neurological Disease Inflammation/Immunology
GsMTx4 TFA is a spider venom peptide that selectively inhibits cationic-permeable mechanosensitive channels (MSCs) belonging to the Piezo and TRP channel families. GsMTx4 TFA also blocks cation-selective stretch-activated channels (SACs) , attenuates lysophosphatidylcholine (LPC)-induced astrocyte toxicity and microglial reactivity. GsMTx4 TFA is an important pharmacological tool for identifying the role of these excitatory MSCs in normal physiology and pathology .

HY-B0317F

Amlodipine hydrochloride	Calcium Channel	Infection
Amlodipine hydrochloride is a biologically active drug used to lower blood pressure and prevent chest pain. Amlodipine hydrochloride has shown synergistic effects with antimicrobial drugs in in vitro studies, especially against carbene peptide-resistant Acinetobacter baumannii. Amlodipine hydrochloride can be used in combination with other antibiotics to enhance the inhibitory effect against resistant bacteria. The use of amlodipine hydrochloride helps reduce the dosage requirements of the drug, reduce toxic effects, and delay the emergence of drug resistance .

HY-P10540

Pantinin-2	Bacterial	Infection
Pantinin-2 is a cysteine-free toxic peptide found in the emperor scorpion (paninus imperator). Pantinin-2 has high activity against Gram-positive bacteria but weak activity against Gram-negative bacteria. Pantinin-2 also exhibits activity against Candida tropicalis and has relatively mild hemolytic activity against human erythrocytes. Pantinin-2 can be used in the development of antimicrobial drugs for drug-resistant pathogens .

HY-P991073

MEDI-1814	Amyloid-β	Neurological Disease
MEDI-1814 is a fully human IgG1 antibody that targets the C terminus of Aβ42. MEDI-1814 binds to and sweeps away the circulated Aβ peptides, hence, restricting them from aggregating into toxic oligomers. MEDI-1814 can be used for the study of Alzheimer's diseases. The isotype control for MEDI-1814 can refer to Human IgG1 kappa, Isotype Control (HY-P99001) .

HY-125837A

MS31 trihydrochloride	Epigenetic Reader Domain	Cancer
MS31 trihydrochloride is a potent, highly affinity and selective fragment-like methyllysine reader protein spindlin 1 (SPIN1) inhibitor. MS31 trihydrochloride potently inhibits the interactions between SPIN1 and H3K4me3 (IC₅₀=77 nM, AlphaLISA; 243 nM, FP). MS31 trihydrochloride selectively binds Tudor domain II of SPIN1 (K_d=91 nM). MS31 trihydrochloride potently inhibits binding of trimethyllysine-containing peptides to SPIN1, and is not toxic to nontumorigenic cells .

HY-125837

MS31	Epigenetic Reader Domain	Cancer
MS31 is a potent, highly affinity and selective fragment-like methyllysine reader protein spindlin 1 (SPIN1) inhibitor. MS31 potently inhibits the interactions between SPIN1 and H3K4me3 (IC₅₀=77 nM, AlphaLISA; 243 nM, FP). MS31 selectively binds Tudor domain II of SPIN1 (K_d=91 nM). MS31 potently inhibits binding of trimethyllysine-containing peptides to SPIN1. MS31 is not toxic to nontumorigenic cells .

HY-148058

Topoisomerase I inhibitor 8	Topoisomerase	Cancer
Topoisomerase I inhibitor 8 is a potent topoisomerase I inhibitor. Topoisomerase I inhibitor 8 is a hexacyclic analogue of camptothecin, and displays cytotoxic effect against tumor cells .

Cat. No.	Product Name

HY-L110

Cyclic Peptide Library	92 compounds
Cyclic peptides are polypeptide chains taking cyclic ring structure, which exhibit diverse biological activities, such as antibacterial activity, immunosuppressive activity and anti-tumor activity. Cyclic peptides, with the features of good binding affinity, target selectivity and low toxicity, show great success as therapeutics. Multiple cyclic peptides are currently in clinical use, for examples, gramicidin and tyrocidine with bactericidal activity, cyclosporin A with immunosuppressive activity, and vancomycin with antibacterial activity. Furthermore, cyclic peptides usually have the sufficient size and a balanced conformational flexibility/rigidity for binding to flat protein-protein interaction (PPI) interfaces, which have potential to develop PPI drugs. MCE offers a unique collection of 92 cyclic peptides, all of which have good bioactivities. MCE Cyclic Peptide Library is a powerful tool for drug discovery and PPI inhibitor screening.

Cyclic Peptide Library

92 compounds

Cyclic peptides are polypeptide chains taking cyclic ring structure, which exhibit diverse biological activities, such as antibacterial activity, immunosuppressive activity and anti-tumor activity. Cyclic peptides, with the features of good binding affinity, target selectivity and low toxicity, show great success as therapeutics. Multiple cyclic peptides are currently in clinical use, for examples, gramicidin and tyrocidine with bactericidal activity, cyclosporin A with immunosuppressive activity, and vancomycin with antibacterial activity. Furthermore, cyclic peptides usually have the sufficient size and a balanced conformational flexibility/rigidity for binding to flat protein-protein interaction (PPI) interfaces, which have potential to develop PPI drugs.

MCE offers a unique collection of 92 cyclic peptides, all of which have good bioactivities. MCE Cyclic Peptide Library is a powerful tool for drug discovery and PPI inhibitor screening.

Cat. No.	Product Name	Target	Research Area

HY-P3222

Oxytocin antiparallel dimer	Peptides	Endocrinology
Oxytocin antiparallel dimer is the disulfide-bridged homo peptide dimer. Oxytocin dimer has oxytocin and vasopressin-like activity with less toxic than oxytocin .