Restriction by H-2 gene complex of transfer of cell-mediated immunity to Listeria monocytogenes

Nature ◽  
1974 ◽  
Vol 251 (5472) ◽  
pp. 230-233 ◽  
Author(s):  
R. M. ZINKERNAGEL
2013 ◽  
Vol 70 (10) ◽  
pp. 976-978
Author(s):  
Miodrag Vrbic ◽  
Marina Dinic ◽  
Maja Jovanovic ◽  
Aleksandar Rankovic ◽  
Lidija Popovic-Dragonjic ◽  
...  

Introduction. Listeria monocytogenes is the third most frequent cause of bacterial meningitis in adults. It commonly affects persons with defective cell-mediated immunity or advanced age, and only a few patients with no underlying predisposition have been reported. Case report. We presented an previously healthy, 18-year-old man with typical clinical features of meningitis. On the account of earlier treatment with ceftriaxone and cerebrospinal fluid finding, an assumption of partially treated bacterial meningitis was made. The initial treatment with vancomycin and ceftriaxone, substituted on day 4 with meropenem, did not produce any clinical effect. On day 6 Listeria monocytogenes was isolated and, even as late as that, the administration of ampicillin was followed by complete recovery of the patient. Conclusion. In younger, immunocompetent individuals, in spite of the existent diagnostic and therapeutic problems, the subacute course of Listeria monocytogenes meningitis provides enough time for appropriate treatment and favorable disease outcome.


Pathogens ◽  
2018 ◽  
Vol 7 (1) ◽  
pp. 8 ◽  
Author(s):  
Courtney McDougal ◽  
John-Demian Sauer

Listeria monocytogenes has evolved exquisite mechanisms for invading host cells and spreading from cell-to-cell to ensure maintenance of its intracellular lifecycle. As such, it is not surprising that loss of the intracellular replication niche through induction of host cell death has significant implications on the development of disease and the subsequent immune response. Although L. monocytogenes can activate multiple pathways of host cell death, including necrosis, apoptosis, and pyroptosis, like most intracellular pathogens L. monocytogenes has evolved a series of adaptations that minimize host cell death to promote its virulence. Understanding how L. monocytogenes modulates cell death during infection could lead to novel therapeutic approaches. In addition, as L. monocytogenes is currently being developed as a tumor immunotherapy platform, understanding how cell death pathways influence the priming and quality of cell-mediated immunity is critical. This review will focus on the mechanisms by which L. monocytogenes modulates cell death, as well as the implications of cell death on acute infection and the generation of adaptive immunity.


1995 ◽  
Vol 92 (9) ◽  
pp. 3987-3991 ◽  
Author(s):  
H. Shen ◽  
M. K. Slifka ◽  
M. Matloubian ◽  
E. R. Jensen ◽  
R. Ahmed ◽  
...  

2003 ◽  
Vol 222 (1) ◽  
pp. 1-14 ◽  
Author(s):  
Mark A. Miller ◽  
Marianne J. Skeen ◽  
Christy L. Lavine ◽  
H. Kirk Ziegler

2005 ◽  
Vol 73 (8) ◽  
pp. 5065-5073 ◽  
Author(s):  
Zhongxia Li ◽  
Xinyan Zhao ◽  
Darren E. Higgins ◽  
Fred R. Frankel

ABSTRACT Listeria monocytogenes is a gram-positive intracellular pathogen that can enter phagocytic and nonphagocytic cells and colonize their cytosols. Taking advantage of this property to generate an intracellular vaccine delivery vector, we previously described a mutant strain of L. monocytogenes, Δdal Δdat, which is unable to synthesize cell wall by virtue of deletions in two genes (dal and dat) required for d-alanine synthesis. This highly attenuated strain induced long-lived protective systemic and mucosal immune responses in mice when administered in the transient presence of d-alanine. We have now increased the usefulness of this organism as a vaccine vector by use of an inducible complementation system that obviates the need for exogenous d-alanine administration. The strain expresses a copy of the Bacillus subtilis racemase gene under the control of a tightly regulated isopropyl-β-d-thiogalactopyranoside (IPTG)-inducible promoter present on a multicopy plasmid. This bacterium demonstrates strict dose-dependent growth in the presence of IPTG. After removal of inducer, bacterial growth ceased within two replication cycles. Following infection of mice in the absence of IPTG or d-alanine, the bacterium survived in vivo for less than 3 days. Nevertheless, a single immunization elicited a state of long-lasting protective immunity against wild-type L. monocytogenes and induced a subset of effector listeriolysin O-specific CD11a+ CD8+ T cells in spleen and other tissues that was strongly enhanced after secondary immunization. This improved L. monocytogenes vector system may have potential use as a live vaccine against human immunodeficiency virus, other infectious diseases, and cancer.


2019 ◽  
Vol 49 (3) ◽  
pp. 243-245
Author(s):  
Krishna Mohan Gulla ◽  
Dhiren Gupta ◽  
Anil Sachdev

Listeria monocytogenes is a gram-positive, facultative anaerobic, motile bacillus widely spread in the environment. However, clinical infection in humans is uncommon. The route of infection is often through ingestion of raw vegetables, meat and unpasteurised dairy products. Listeria is an uncommon cause of meningitis in immunocompetent individuals, but it should be considered strongly in neonates and the elderly, and it should also be considered in those with impaired cell-mediated immunity. 1 , 2 Only a few case reports of invasive listeriosis in humans have been reported from India. 3 – 8 In our case, a 13-year-old previously healthy boy was thus diagnosed.


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