Mast cell chymase decreases the severity of group B Streptococcus infections
نویسندگان
چکیده
منابع مشابه
Neonatal infections: group B streptococcus.
INTRODUCTION One in four women carry group B streptococci vaginally, which can infect the amniotic fluid even if the membranes are intact, or can infect the baby during delivery, causing sepsis, pneumonia, or meningitis. Very-low-birthweight infants are at much higher risk of infection or mortality, with up to 3% infected, and mortality rates of up to 30% even with immediate antibiotic treatmen...
متن کاملIncidence and severity of invasive Streptococcus pneumoniae, group A Streptococcus, and group B Streptococcus infections among pregnant and postpartum women.
BACKGROUND The epidemiology of streptococcal infection in pregnant and postpartum women is poorly described in recent literature. We used data from multistate surveillance for invasive Streptococcus pneumoniae, group A Streptococcus (GAS), and group B Streptococcus (GBS) infections to estimate disease incidence and severity in these populations. METHODS Cases were reported through the Centers...
متن کاملIL-4 Deficiency Decreases Mortality but Increases Severity of Arthritis in Experimental Group B Streptococcus Infection
IL-4 is an anti-inflammatory cytokine that inhibits the onset and severity in different experimental arthritis models. Group B streptococci (GBS) have been recognized as an ever-growing cause of serious invasive infections in nonpregnant adults. Septic arthritis is a clinical manifestation of GBS infection. To investigate the role of IL-4 in experimental GBS infection, IL-4 deficient or compete...
متن کاملBiological Function of Mast Cell Chymase
Chugunova, E., 2004. Biological function of mast cell chymase mMCP-4. In vitro and in vivo studies: a thorny pathway. Doctor's dissertation. ISSN 1401-6257, ISBN 91-576-6680-6 Mast cells (MCs) are key effector cells in various types of inflammatory conditions. The MC secretory granules contain inflammatory mediators such as histamine, heparin proteoglycan (PG), cytokines and various heparin-bin...
متن کاملMast cell chymase in pulmonary hypertension.
Mast cells are known to be involved in various types of tissue remodelling but their role in pulmonary hypertension is still poorly understood. Two subtypes of mast cells have recently been identified by demonstrating one protease, chymase. This enzyme might be implicated in vascular remodelling. The changes in mast cells in lung tissue from three patients with primary or secondary pulmonary hy...
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ژورنال
عنوان ژورنال: Journal of Allergy and Clinical Immunology
سال: 2018
ISSN: 0091-6749
DOI: 10.1016/j.jaci.2017.07.042