نتایج جستجو برای: listeria infections
تعداد نتایج: 292303 فیلتر نتایج به سال:
Solid-organ transplantation is a therapeutic option for many end-stage diseases. One of the most common complications in the post-transplant period are different kind of infections. They are caused by some bacterial pathogens such as Legionella spp., Nocardia spp., Salmonella spp. and Listeria monocytogenes, many viral agents – Cytomegalovirus /CMV/, Herpes simplex virus / HSV/, Varicella-zoste...
Author Disclosure Drs Satti, Ali, and Weitkamp have disclosed no financial relationships relevant to this article. This commentary does not contain a discussion of an unapproved/ investigative use of a commercial product/ device. Abstract The purpose of this two-part series on congenital infections is to provide the reader with an update on recent controversies and advances for a selected group...
Listeria monocytogenes, an uncommon foodborne pathogen, is increasingly recognized as a cause of life-threatening disease. A marked increase in reported cases of listeriosis during 1998 motivated a retrospective nationwide survey of the infection in Israel. From 1995 to 1999, 161 cases were identified; 70 (43%) were perinatal infections, with a fetal mortality rate of 45%. Most (74%) of the 91 ...
background most birds probably can carry listeria spp. asymptomatically in their intestines with varying prevalence and can transmit the pathogens to humans. the genus-listeria has two pathogenic species namely, listeria monocytogenes and listeria ivanovii. of these, l. monocytogenes is a well-known cause of abortion, encephalitis and septicaemia in man and animals. listeria ivanovii is an anim...
Growth potential (δ) is defined as the difference between the population of a microorganism at the end of shelf-life of specific food and its initial population. The determination of δ of Salmonella and Listeria monocytogenes in RTE vegetables can be very useful to determine likely threats to food safety. However, little is known on the behavior of these microorganisms in several RTE vegetables...
In this study, the complete CoSYPS Path Food workflow including all steps, namely swab sample enrichment, SYBR®Green qPCR detection of Salmonella spp. and Listeria spp., isolation and confirmation of the detected strain, was validated on beef carcass swabs. To perform the validation, the results of the complete workflow were compared, according to the ISO 16140:2003, with the ISO reference meth...
The survival and growth of Escherichia coli O157:H7 (ATCC 43888 and NCTC 12900) and Listeria monocytogenes (ATCC 19114 and NCTC 11994) during storage (4 and 88C) on ready-to-use (RTU) packaged vegetables ( lettuce, swedes (rutabaga) , dry coleslaw mix, soybean sprouts) were studied. The vegetables were sealed within oriented polypropylene packaging film, and modified atmospheres developed in pa...
ADAM17 is a member of the A Disintegrin And Metalloproteinase family of proteases. It is ubiquitously expressed and causes the shedding of a broad spectrum of surface proteins such as adhesion molecules, cytokines and cytokine receptors. By controlled shedding of these proteins from leukocytes, ADAM17 is able to regulate immune responses. Several ADAM17 targets on T cells have been implicated i...
A significant decrease in murine resistance to Listeria monocytogenes was induced by using crude Listeria cell wall fraction (LCWF) and purified Listeria cell walls (PF). When equal amounts of these materials were injected, PF was more effective than LCWF in decreasing resistance. The PF effect was dose dependent when measured either as a decrease in 50% lethal dose of the Listeria challenge or...
The subcutaneous injection of cells of any one of five unselected murine tumors resulted very rapidly in the liberation into the circulation of a small molecular weight factor that severely impaired the capacity of the host to resist experimental infection with Listeria monocytogenes and Yersinia enterocolitica. It was found that the factor appeared in blood within 8 h of injecting tumor cells ...
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