meningoencephalitis/protease

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Neutral protease in cerebrospinal fluid from patients with multiple sclerosis and other neurological diseases.

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Neutral protease activity was significantly elevated in the cerebro-spinal fluid of patients with multiple sclerosis (MS) in exacerbation and in the acute phase of acute viral meningoencephalitis (AME) compared with that of MS in remission, amyotrophic lateral sclerosis or psychosomatic disease.

Iron-Binding Protein Degradation by Cysteine Proteases of Naegleria fowleri.

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Naegleria fowleri causes acute and fulminant primary amoebic meningoencephalitis. This microorganism invades its host by penetrating the olfactory mucosa and then traveling up the mesaxonal spaces and crossing the cribriform plate; finally, the trophozoites invade the olfactory bulbs. During its

Molecular cloning and characterization of a cathepsin L-like cysteine protease of Angiostrongylus cantonensis.

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Angiostrongylus cantonensis is a parasitic nematode dwelling in the heart and pulmonary arteries of rats, which can cause angiostrongyliasis in human by accidental infections, manifested as eosinophilic meningitis or meningoencephalitis. Cysteine proteases are the major class of endopeptidases that

Characterization of Naegleria fowleri strains isolated from human cases of primary amoebic meningoencephalitis in Mexico.

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The protozoon Naegleria fowleri (N. fowleri) is a free-living amoeba that produces primary amoebic meningoencephalitis (PAM), which is an acute and frequently fatal infection of the central nervous system. We characterized the strains of N. fowleri isolated from the cerebrospinal fluid (CSF) of two

The mitochondrial genome and a 60-kb nuclear DNA segment from Naegleria fowleri, the causative agent of primary amoebic meningoencephalitis.

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Naegleria fowleri is a unicellular eukaryote causing primary amoebic meningoencephalitis, a neuropathic disease killing 99% of those infected, usually within 7-14 days. Naegleria fowleri is found globally in regions including the US and Australia. The genome of the related nonpathogenic species

Naegleria fowleri: characterization of a secreted histolytic cysteine protease.

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Naegleria fowleri is the etiologic agent of primary amebic meningoencephalitis, a rare but rapidly fatal disease of humans. It invades the central nervous system via nasal mucosa and cribriform plate. Once in brain tissue, the organism induces an acute hemorrhagic, necrotizing meningoencephalitis.

A biochemical comparison of proteases from pathogenic naegleria fowleri and non-pathogenic Naegleria gruberi.

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Naegleria fowleri is the etiologic agent of primary amoebic meningoencephalitis (PAM). Proteases have been suggested to be involved in tissue invasion and destruction during infection. We analyzed and compared the complete protease profiles of total crude extract and conditioned medium of both

Novel cathepsin B and cathepsin B-like cysteine protease of Naegleria fowleri excretory-secretory proteins and their biochemical properties.

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Naegleria fowleri causes a lethal primary amoebic meningoencephalitis (PAM) in humans and experimental animals, which leads to death within 7-14 days. Cysteine proteases of parasites play key roles in nutrient uptake, excystment/encystment, host tissue invasion, and immune evasion. In this study, we

Identification of cysteine protease inhibitors as new drug leads against Naegleria fowleri.

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Primary amebic meningoencephalitis (PAM) is a rapidly fatal infection caused by the free-living ameba Naegleria fowleri. PAM occurs principally in healthy children of less than 13 years old with a history of recent exposure to warm fresh water. While as yet not a reportable disease, the Centers for

Fowlerstefin, a cysteine protease inhibitor of Naegleria fowleri, induces inflammatory responses in BV-2 microglial cells in vitro.

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Naegleria fowleri is a free-living amoeba that causes an opportunistic fatal infection known as primary amoebic meningoencephalitis (PAM) in humans. Cysteine proteases produced by the amoeba may play critical roles in the pathogenesis of infection. In this study, a novel cysteine

The human immunodeficiency virus (HIV) protease inhibitor indinavir directly affects the opportunistic fungal pathogen Cryptococcus neoformans.

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Highly active antiretroviral therapy (HAART), that includes human immunodeficiency virus (HIV) protease inhibitors (PIs), has been remarkably efficacious including against some opportunistic infections. In this report we investigated the effect(s) of the PI indinavir on protease activity by

A cysteine protease inhibitor cures Chagas' disease in an immunodeficient-mouse model of infection.

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Chagas' disease, caused by the parasite Trypanosoma cruzi, remains the leading cause of cardiopathy in Latin America with about 12 million people infected. Classic clinical manifestations derive from infection of muscle cells leading to progressive cardiomyopathy, while some patients develop

Evidence of microevolution in a clinical case of recurrent Cryptococcus neoformans meningoencephalitis.

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The aim of this study was to examine three serial isolates of Cryptococcus neoformans from a patient with AIDS for genotypical and phenotypical characteristics. The isolates were obtained during a first episode of cryptococcosis (simultaneous sampling of blood and cerebrospinal fluid) and after a

Lethal neonatal meningoencephalitis caused by multi-drug resistant, highly virulent Escherichia coli.

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Neonatal meningitis is a rare but devastating condition. Multi-drug resistant (MDR) bacteria represent a substantial global health risk. This study reports on an aggressive case of lethal neonatal meningitis due to a MDR Escherichia coli (serotype O75:H5:K1). Serotyping, MDR pattern and phylogenetic

The cathepsin-D expression in the cyto-invasive stages of coccidia in intestinal mucosa of chickens, and the relevance of this proteinase for intracellular penetration and spreading of coccidia in host tissues.

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The Cathepsin-D proteinase was demonstrated immunohistochemically in cases of intestinal coccidiosis in chickens; its expression concerned almost the cyto-invasive stages of reproductive cycle of several strains of coccidia (merozoites of the II-nd generation and also microgametes). The authors

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