Results 31 to 40 of about 95,130 (254)

Induction of IDO1 and Kynurenine by Serine Proteases Subtilisin, Prostate Specific Antigen, CD26 and HtrA: A New Form of Immunosuppression?

open access: yesFrontiers in Immunology, 2022
Several serine proteases have been linked to autoimmune disorders and tumour initiation although the mechanisms are not fully understood. Activation of the kynurenine pathway enzyme indoleamine-2,3-dioxygenase (IDO1) modulates cellular activity in the ...
Felix I. L. Clanchy   +6 more
doaj   +1 more source

Serine proteases, their inhibitors and allergy [PDF]

open access: yesAllergy, 2006
This paper reviews four serine protease inhibitors and three protease gene defects that are associated with allergic conditions, suggesting an important role for these genes and their products in the development of allergy. Serine protease inhibitors may have a therapeutic potential in the treatment of allergy.
Smith, P K, Harper, J I
openaire   +2 more sources

SPINK6 inhibits human airway serine proteases and restricts influenza virus activation

open access: yesEMBO Molecular Medicine, 2021
SPINK6 was identified in human skin as a cellular inhibitor of serine proteases of the KLK family. Airway serine proteases are required to cleave hemagglutinin (HA) of influenza A viruses (IAVs) to initiate an infection in the human airway.
Dong Wang   +15 more
doaj   +1 more source

Genome-wide survey of prokaryotic serine proteases: Analysis of distribution and domain architectures of five serine protease families in prokaryotes

open access: yesBMC Genomics, 2008
Background Serine proteases are one of the most abundant groups of proteolytic enzymes found in all the kingdoms of life. While studies have established significant roles for many prokaryotic serine proteases in several physiological processes, such as ...
Tripathi Lokesh P, Sowdhamini R
doaj   +1 more source

Airway proteolytic control of pneumococcal competence.

open access: yesPLoS Pathogens, 2023
Streptococcus pneumoniae is an opportunistic pathogen that colonizes the upper respiratory tract asymptomatically and, upon invasion, can lead to severe diseases including otitis media, sinusitis, meningitis, bacteremia, and pneumonia.
Haley Echlin   +3 more
doaj   +1 more source

New insights into the evolution of subtilisin-like serine protease genes in Pezizomycotina

open access: yesBMC Evolutionary Biology, 2010
Background Subtilisin-like serine proteases play an important role in pathogenic fungi during the penetration and colonization of their hosts. In this study, we perform an evolutionary analysis of the subtilisin-like serine protease genes of subphylum ...
Zhang Ying   +9 more
doaj   +1 more source

SARS-CoV-2 entry into human airway organoids is serine protease-mediated and facilitated by the multibasic cleavage site

open access: yeseLife, 2021
Coronavirus entry is mediated by the spike protein that binds the receptor and mediates fusion after cleavage by host proteases. The proteases that mediate entry differ between cell lines, and it is currently unclear which proteases are relevant in vivo.
Anna Z Mykytyn   +7 more
doaj   +1 more source

The epidermolytic toxins are serine proteases [PDF]

open access: yesFEBS Letters, 1990
Certain strains of Staphylococcus aureus usually belonging to phage group II produce epidermolytic toxins (ETA and ETB) which cause intraepidermal splitting in mice, neonates and occasionally adults. Amino acid sequences of ETA and ETB have been reported but the mechanism of epidermolysis remains unknown.
Dancer, Stephanie J.   +4 more
openaire   +2 more sources

Serine Proteases of Malaria Parasite Plasmodium falciparum: Potential as Antimalarial Drug Targets

open access: yesInterdisciplinary Perspectives on Infectious Diseases, 2014
Malaria is a major global parasitic disease and a cause of enormous mortality and morbidity. Widespread drug resistance against currently available antimalarials warrants the identification of novel drug targets and development of new drugs.
Asrar Alam
doaj   +1 more source

The HtrA family of serine proteases [PDF]

open access: yesMolecular Microbiology, 1997
HtrA, also known as DegP and probably identical to the Do protease, is a heat shock‐induced serine protease that is active in the periplasm of Escherichia coli. Homologues of HtrA have been described in a wide range of bacteria and in eukaryotes. Its chief role is to degrade misfolded proteins in the periplasm.
M J, Pallen, B W, Wren
openaire   +2 more sources

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