Drug company makes first ever vaccine for Lyme disease that affects supermodel Bella Hadid

Drug company Valneva, based in Lyon, France, has successfully completed the first ever human trial for a vaccine against Lyme disease which affects 600,000 people every year.
Source: the Mail online | Health - Category: Consumer Health News Source Type: news

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Authors: Figoni J, Chirouze C, Hansmann Y, Lemogne C, Hentgen V, Saunier A, Bouiller K, Gehanno JF, Rabaud C, Perrot S, Caumes E, Eldin C, de Broucker T, Jaulhac B, Roblot F, Toubiana J, Sellal F, Vuillemet F, Sordet C, Fantin B, Lina G, Gocko X, Dieudonné M, Bodaghi B, Gangneux JP, Degeilh B, Partouche H, Lenormand C, Sotto A, Raffetin A, Monsuez JJ, Michel C, Boulanger N, Cathebras P, Tattevin P, endorsed by scientific societies Abstract Lyme borreliosis is transmitted en France by the tick Ixodes ricinus, endemic in metropolitan France. In the absence of vaccine licensed for use in humans, primary prevent...
Source: Medecine et Maladies Infectieuses - Category: Infectious Diseases Tags: Med Mal Infect Source Type: research
Abstract Tick saliva is a complex mixture of peptidic and non-peptidic molecules that aid engorgement. The composition of tick saliva changes as feeding progresses and the tick counters the dynamic host response. Ixodid ticks such as Ixodes ricinus, the most important tick species in Europe, transmit numerous pathogens that cause debilitating diseases, e.g. Lyme borreliosis and tick-borne encephalitis. Tick-borne pathogens are transmitted in tick saliva during blood feeding; however, saliva is not simply a medium enabling pathogen transfer. Instead, tick-borne pathogens exploit saliva-induced modulation ...
Source: Wiener Klinische Wochenschrift - Category: General Medicine Authors: Tags: Wien Klin Wochenschr Source Type: research
In this study, the proteomic profile of the surface-associated proteins from M. bovis BCG Moreau was compared to the BCG Pasteur reference strain. The methodology used was 2DE gel electrophoresis combined with mass spectrometry techniques (MALDI-TOF/TOF), leading to the identification of 115 proteins. Of these, 24 proteins showed differential expression between the two BCG strains. Furthermore, 27 proteins previously described as displaying moonlighting function were identified, 8 of these proteins showed variation in abundance comparing BCG Moreau to Pasteur and 2 of them presented two different domain hits. Moonlighting ...
Source: Frontiers in Immunology - Category: Allergy & Immunology Source Type: research
Bioconjugate ChemistryDOI: 10.1021/acs.bioconjchem.9b00167
Source: Bioconjugate Chemistry - Category: Biochemistry Authors: Source Type: research
In conclusion, we unraveled the secretome of G. adiacens, an oral bacterium well-documented in infective endocarditis, but also recently shown to be involved in oral infections. Importantly, the secretome of G. adiacens comprised of a large number of putative virulence factors. Of particular importance is the finding that the G. adiacens secretome comprised of a number of “moonlighting” proteins, which in other species are shown to enhance bacterial colonization and virulence through their multifunctional roles (Pavkova et al., 2017; Graf et al., 2019). Thus, our results provide a basis for investigating the ro...
Source: Frontiers in cellular and infection microbiology - Category: Microbiology Source Type: research
In this study, we applied complementary in silico approaches to modeling how Anaplasma phagocytophilum infection modulates tick vector regulome. This proof-of-concept research provided support for the use of network analysis in the study of regulome response to infection, resulting in new information on tick-pathogen interactions and potential targets for developing interventions for the control of tick infestations and pathogen transmission. Deciphering the precise nature of circuits that shape the tick regulome in response to pathogen infection is an area of research that in the future will advance our knowledge of tick-...
Source: Frontiers in Physiology - Category: Physiology Source Type: research
John R. Caskey1,2†, Nicole R. Hasenkampf1, Dale S. Martin1, Vladimir N. Chouljenko2, Ramesh Subramanian2, Mercedes A. Cheslock1 and Monica E. Embers1* 1Division of Bacteriology and Parasitology, Tulane National Primate Research Center, Tulane University Health Sciences, Covington, LA, United States 2Division of Biotechnology and Molecular Medicine, School of Veterinary Medicine, Louisiana State University, Baton Rouge, LA, United States Recent studies have shown that Borrelia burgdorferi can form antibiotic-tolerant persisters in the presence of microbiostatic drugs such as doxycycline. Precisely how this...
Source: Frontiers in Microbiology - Category: Microbiology Source Type: research
The Lyme disease spirochetes are a highly diverse group of bacteria with unique biological properties. Their ability to cycle between ticks and mammals requires that they adapt to variable and constantly changing environmental conditions. Outer surface protein C is an essential virulence determinant that has received considerable attention in vaccine and diagnostic assay development. Knowledge of OspC diversity, its antigenic determinants, and its production patterns throughout the enzootic cycle, as well as in the laboratory setting, is essential for understanding immune responses induced by infection or vaccination.
Source: Veterinary Clinics of North America: Small Animal Practice - Category: Veterinary Research Authors: Source Type: research
Funding Opportunity RFA-AI-19-037 from the NIH Guide for Grants and Contracts. The purpose of this Funding Opportunity Announcement (FOA) is to encourage the development of vaccines and other approaches for the prevention of Lyme disease and/or other tick-borne diseases.
Source: NIH Funding Opportunities (Notices, PA, RFA) - Category: Research Source Type: funding
This study provides insight into the antigenic structure of OspC. The results enhance our understanding of immune responses that develop during infection or upon vaccination and have implications for interpretation of LD diagnostic assays that employ OspC. PMID: 30922701 [PubMed - as supplied by publisher]
Source: Vaccine - Category: Allergy & Immunology Authors: Tags: Vaccine Source Type: research
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