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COVID-19 acute respiratory distress syndrome

" in MedChemExpress (MCE) Product Catalog:

By Targets:	Apoptosis (1) Drug Intermediate (1) Drug Metabolite (1) Elastase (5) Endogenous Metabolite (1) NOD-like Receptor (NLR) (1) Reference Standards (2) SARS-CoV (7)
By Research Areas:	Cancer (5) Cardiovascular Disease (1) Endocrinology (1) Infection (6) Inflammation/Immunology (5)

Inhibitors & Agonists

Peptides

Inhibitory Antibodies

Natural
Products

Targets Recommended: RSV

Cat. No.	Product Name	Target	Research Areas	Chemical Structure

HY-17443

Sivelestat Maximum Cited Publications 30 Publications Verification EI546; LY544349; ONO5046	Elastase SARS-CoV	Cancer
Sivelestat (EI546) is a competitive inhibitor of human neutrophil elastase, with an IC₅₀ of 44 nM and a K_i of 200 nM. Sivelestat (EI546) has the potential for the study of acute lung injury/acute respiratory distress syndrome or disseminated intravascular coagulation in COVID-19 .

HY-155876

NVP-DFV890 NLRP3 antagonist 2	NOD-like Receptor (NLR)	Infection Inflammation/Immunology
NVP-DFV890 is an orally administered, selective NLRP3 inhibitor. NVP-DFV890 directly binds to NLRP3, blocks maturation of pro-inflammatory cytokines IL-1β and IL-18, and inhibits pyroptotic cell death. NVP-DFV890 acts as an inducer of viral clearance, promoting earlier clearance of SARS-CoV-2. NVP-DFV890 can be used for the research of COVID-19 pneumonia and coronavirus-associated acute respiratory distress syndrome (CARDS) .

HY-17443A

Sivelestat sodium Maximum Cited Publications 30 Publications Verification ONO5046-Na; Sodium sivelestat; EI546 sodium; LY544349 sodium	Elastase SARS-CoV	Cancer
Sivelestat (EI546) sodium is a competitive inhibitor of human neutrophil elastase, with an IC₅₀ of 44 nM and a K_i of 200 nM. Sivelestat (EI546) sodium has the potential for the study of acute lung injury/acute respiratory distress syndrome or disseminated intravascular coagulation in COVID-19 .

HY-17443B

Sivelestat sodium tetrahydrate Maximum Cited Publications 30 Publications Verification EI546 sodium tetrahydrate; LY544349 sodium tetrahydrate; ONO5046 sodium tetrahydrate	Elastase SARS-CoV	Cancer
Sivelestat (EI546) sodium tetrahydrate is a competitive inhibitor of human neutrophil elastase, with an IC₅₀ of 44 nM and a K_i of 200 nM. Sivelestat (EI546) sodium tetrahydrate has the potential for the study of acute lung injury/acute respiratory distress syndrome or disseminated intravascular coagulation in COVID-19 .

HY-P99810

Quisovalimab AVTX-002; AEVI 002; SAR 252067; CERC-002; MDGN-002	SARS-CoV	Infection Inflammation/Immunology
Quisovalimab (AVTX-002) is a human-derived monoclonal antibody against LIGHT (TNFSF14). Quisovalimab binds to LIGHT, blocks the signal transduction activity of LIGHT, reduces circulating LIGHT levels and attenuates pro-inflammatory effects. Quisovalimab can be used in research related to Crohn's disease, COVID-19-associated pneumonia and acute respiratory distress syndrome comorbidity .

HY-N7372

Licoisoflavanone	Apoptosis	Infection Inflammation/Immunology
Licoisoflavanone is an orally active isoflavane-based immunomodulator with multiple activities including antiviral, anti-inflammatory, cytoprotective and cancer cell apoptosis-inducing effects. Licoisoflavanone can be isolated from the roots and rhizomes of Glycyrrhiza uralensis Fisch. Licoisoflavanone not only enhances the body's immunity, but also effectively prevents acute respiratory distress syndrome and multiple organ damage by alleviating cytokine storm, thereby reducing the degree of inflammation. In rats, Licoisoflavanone undergoes multiple metabolic transformation processes such as glucuronidation, hydroxylation, sulfation, methylation and dehydrogenation. Licoisoflavanone has become an important candidate molecule for research on *COVID-19* and related inflammatory diseases .

HY-17443R

Sivelestat (Standard) EI546 (Standard); LY544349 (Standard); ONO5046 (Standard)	Elastase SARS-CoV Reference Standards	Cancer
Sivelestat (Standard) is the analytical standard of Sivelestat. This product is intended for research and analytical applications. Sivelestat (EI546) is a competitive inhibitor of human neutrophil elastase, with an IC50 of 44 nM and a Ki of 200 nM. Sivelestat (EI546) has the potential for the study of acute lung injury/acute respiratory distress syndrome or disseminated intravascular coagulation in COVID-19 .

HY-17443BR

Sivelestat sodium tetrahydrate (Standard) EI546 sodium tetrahydrate (Standard); LY544349 sodium tetrahydrate (Standard); ONO5046 sodium tetrahydrate (Standard)	Reference Standards Elastase SARS-CoV	Cancer
Sivelestat (sodium tetrahydrate) (Standard) is the analytical standard of Sivelestat (sodium tetrahydrate). This product is intended for research and analytical applications. Sivelestat (EI546) sodium tetrahydrate is a competitive inhibitor of human neutrophil elastase, with an IC₅₀ of 44 nM and a K_i of 200 nM. Sivelestat (EI546) sodium tetrahydrate has the potential for the study of acute lung injury/acute respiratory distress syndrome or disseminated intravascular coagulation in COVID-19 .

HY-116462

ONO-EI-601	Drug Metabolite	Others
ONO-EI-601 is the major metabolite of human neutrophil elastase inhibitor ONO-5046. ONO-5046 has the potential for the study of acute lung injury/acute respiratory distress syndrome or disseminated intravascular coagulation in COVID-19 .

HY-P11791

nNIF peptide	Endogenous Metabolite	Infection
nNIF peptide is an endogenous polypeptide detectable in human umbilical cords and neonatal blood. nNIF peptide specifically inhibits neutrophil extracellular trap (NETs) formation by neutrophils without interfering with other key immune functions of neutrophils. nNIF peptide can be used in studies related to COVID-19 acute respiratory distress syndrome, polymicrobial sepsis, and neonatal infectious peritonitis .

HY-P11879

LSALT peptide	SARS-CoV	Infection Inflammation/Immunology Endocrinology
LSALT peptide is a selective DPEP-1 inhibitor with selectivity over DPEP2/3. LSALT peptide inhibits neutrophil and monocyte/macrophage recruitment, inflammation, and tissue injury. LSALT peptide reduces kidney damage, improves survival in murine sepsis and endotoxemia models. LSALT peptide can be used for the research of COVID-19, sepsis, acute respiratory distress syndrome, and acute kidney injury .

HY-112042

Aspirin Trelamine	Drug Intermediate	Infection Cardiovascular Disease Inflammation/Immunology
Aspirin Trelamine is a salicylic acid prodrug. Aspirin Trelamine has been used in research related to ischemic stroke, as well as COVID-19-associated acute respiratory distress syndrome (ARDS) and pneumonia .

Cat. No.	Product Name	Target	Research Area

HY-P11791

nNIF peptide	Endogenous Metabolite	Infection
nNIF peptide is an endogenous polypeptide detectable in human umbilical cords and neonatal blood. nNIF peptide specifically inhibits neutrophil extracellular trap (NETs) formation by neutrophils without interfering with other key immune functions of neutrophils. nNIF peptide can be used in studies related to COVID-19 acute respiratory distress syndrome, polymicrobial sepsis, and neonatal infectious peritonitis .

HY-P11879

LSALT peptide	SARS-CoV	Infection Inflammation/Immunology Endocrinology
LSALT peptide is a selective DPEP-1 inhibitor with selectivity over DPEP2/3. LSALT peptide inhibits neutrophil and monocyte/macrophage recruitment, inflammation, and tissue injury. LSALT peptide reduces kidney damage, improves survival in murine sepsis and endotoxemia models. LSALT peptide can be used for the research of COVID-19, sepsis, acute respiratory distress syndrome, and acute kidney injury .

Cat. No.	Product Name	Target	Research Area	Image

HY-P99810

Quisovalimab AVTX-002; AEVI 002; SAR 252067; CERC-002; MDGN-002	SARS-CoV	Infection Inflammation/Immunology
Quisovalimab (AVTX-002) is a human-derived monoclonal antibody against LIGHT (TNFSF14). Quisovalimab binds to LIGHT, blocks the signal transduction activity of LIGHT, reduces circulating LIGHT levels and attenuates pro-inflammatory effects. Quisovalimab can be used in research related to Crohn's disease, COVID-19-associated pneumonia and acute respiratory distress syndrome comorbidity .

Cat. No.	Product Name	Category	Target	Chemical Structure

HY-N7372

Licoisoflavanone	Structural Classification Flavonoids Classification of Application Fields Leguminosae Isoflavanones Other Diseases Phenols Polyphenols Plants Glycyrrhiza uralensis Fisch. Disease Research Fields Source Classification	Apoptosis
Licoisoflavanone is an orally active isoflavane-based immunomodulator with multiple activities including antiviral, anti-inflammatory, cytoprotective and cancer cell apoptosis-inducing effects. Licoisoflavanone can be isolated from the roots and rhizomes of Glycyrrhiza uralensis Fisch. Licoisoflavanone not only enhances the body's immunity, but also effectively prevents acute respiratory distress syndrome and multiple organ damage by alleviating cytokine storm, thereby reducing the degree of inflammation. In rats, Licoisoflavanone undergoes multiple metabolic transformation processes such as glucuronidation, hydroxylation, sulfation, methylation and dehydrogenation. Licoisoflavanone has become an important candidate molecule for research on *COVID-19* and related inflammatory diseases .

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BODIPY 493/503 purchased from MedChemExpress. Usage Cited in: Nat Commun. 2025 Feb 1;16(1):1241. [Abstract]

MedchemExpress Validation 01

Western blot analysis of extracts from THP-1(lane 2(20μg), Jurkat (lane 3(20μg) and NIH3T3(lane 4(20μg) using FOXO1A (HY-P80132) Rabbit mAb. Proteins were transferred to a PVDF membrane and blocked with 5% non-fat milk in TBST for 2 hour at room temperature. The primary antibody (1/1000) and Loading control antibody (Beta Actin, HY-P80438, 1/10000) was used in 5% non-fat milk in TBST at 4°C overnight. Goat Anti-Mouse/Rabbit IgG-HRP Secondary Antibody (1/10000) was used for 1 hour at room temperature. Western blot analysis of extracts from THP-1(lane 2(20μg), Jurkat (lane 3(20μg) and NIH3T3(lane 4(20μg) using FOXO1A (HY-P80132) Rabbit mAb. Proteins were transferred to a PVDF membrane and blocked with 5% non-fat milk in TBST for 2 hour at room temperature. The primary antibody (1/1000) and Loading control antibody (Beta Actin, HY-P80438, 1/10000) was used in 5% non-fat milk in TBST at 4°C overnight. Goat Anti-Mouse/Rabbit IgG-HRP Secondary Antibody (1/10000) was used for 1 hour at room temperature. Western blot analysis of extracts from THP-1(lane 2(20μg), Jurkat (lane 3(20μg) and NIH3T3(lane 4(20μg) using FOXO1A (HY-P80132) Rabbit mAb. Proteins were transferred to a PVDF membrane and blocked with 5% non-fat milk in TBST for 2 hour at room temperature. The primary antibody (1/1000) and Loading control antibody (Beta Actin, HY-P80438, 1/10000) was used in 5% non-fat milk in TBST at 4°C overnight. Goat Anti-Mouse/Rabbit IgG-HRP Secondary Antibody (1/10000) was used for 1 hour at room temperature.

BODIPY 493/503 purchased from MedChemExpress. Usage Cited in: Nat Commun. 2025 Feb 1;16(1):1241. [Abstract]

MedchemExpress Validation 01

MedchemExpress Validation 03

Western blot analysis of extracts from THP-1(lane 2(20μg), Jurkat (lane 3(20μg) and NIH3T3(lane 4(20μg) using FOXO1A (HY-P80132) Rabbit mAb. Proteins were transferred

MedchemExpress Validation 04

MedchemExpress Validation

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