Severe Leptospirosis Features in the Spleen Indicate Cellular Immunosuppression Similar to That Found in Septic Shock

Conclusion: The results suggest that an immunosuppressive state develops at the terminal stage of severe leptospirosis with pulmonary hemorrhage and shock similar to that of patients with septic shock, with diffuse endothelial activation in the spleen, splenitis, and signs of disturbance in the innate and adaptive immunity in the spleen. The presence of leptospiral antigens in 73% of the spleens of the leptospirosis patients suggests the etiological agent contributes directly to the pathogenesis of the lesions. Our results support therapeutic approaches involving antibiotic and immunomodulatory treatments for leptospirosis patients and suggest that leptospirosis patients, which are usually young men with no co-morbidities, form a good group for studying sepsis and septic shock. Introduction Leptospirosis is the most widespread zoonosis in the world and is caused by pathogenic species of the Leptospira genus (1). In Brazil, leptospirosis is a re-emergent infectious disease with a growing incidence rate. In the city of São Paulo, the biggest Brazilian metropolis, leptospirosis had an incidence rate of 1.34-−2.73/100,000 inhabitants and a case-fatality of 8.86–15.61% in the period of 2009–2017 (2). The clinical presentations of leptospirosis range from a non-specific febrile illness to severe forms. Severe leptospirosis has an estimated incidence of 5–15% and patients can present jaundice, renal failure, myocarditis, meningitis, severe pul...
Source: Frontiers in Immunology - Category: Allergy & Immunology Source Type: research

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CONCLUSIONS: Despite the slight increases in the 10-year observation period a stable trend cannot be assumed. However, this study might be useful as baseline for other studies on SDM implementation. PMID: 31629688 [PubMed - as supplied by publisher]
Source: Zeitschrift fur Evidenz, Fortbildung und Qualitat im Gesundheitswesen - Category: Health Management Tags: Z Evid Fortbild Qual Gesundhwes Source Type: research
CONCLUSION: Ultrastructural changes in rat liver tissue in conditions of obstructive jaundice may be reversible after restoration of drainage. On the other hand, ultrastructural changes in renal tissue in cases of prolonged jaundice are irreversible even if the internal drainage is restored. KEY WORDS: Bile Duct, Liver, Kidney, Obstructive Jaundice. PMID: 31630139 [PubMed - as supplied by publisher]
Source: Annali Italiani di Chirurgia - Category: Surgery Tags: Ann Ital Chir Source Type: research
RESUMO Objetivo Avaliar o efeito do internato em sa úde mental nas atitudes dos alunos de medicina quanto ao portador de transtorno mental (PTM). Métodos Atitudes foram avaliadas por questionário antes e depois do internato, por meio dos fatores: “ aceita ção social de PTM ” (F1), “ n ão acreditar em causas sobrenaturais para doença mental ” (F2), “ pap éis sociais comuns para PTM ” (F3), “ acreditar em causas psicossociais para doen ça mental ” (F4), “ intimidade ” (F5). Diferen ças foram avali...
Source: Jornal Brasileiro de Psiquiatria - Category: Psychiatry Source Type: research
Authors: Campos-Borges HC, Sanz-González SM, Zanón-Moreno V, Millán Salvador JM, Pinazo-Duran MD PMID: 31629562 [PubMed - as supplied by publisher]
Source: Archivos de la Sociedad Espanola de Oftalmologia - Category: Opthalmology Tags: Arch Soc Esp Oftalmol Source Type: research
We demonstrate dual-Airy-beam-scanning-based volumetric two-photon microscopy (TPM) with depth-resolving capability. A pair of Airy beams ...
Source: Optics Letters - Category: Physics Authors: Source Type: research
This special issue of the Journal of the Optical Society of America A (JOSA A) is devoted to the wide array of French researchers from ...
Source: Journal of the Optical Society of America A - Category: Physics Authors: Source Type: research
This study found that the incorporation of flax fibres into PHBV matrix provides a benefit to the green composites with enhanced biodegradability.Graphical abstract
Source: Biocatalysis and Agricultural Biotechnology - Category: Biotechnology Source Type: research
The architect of the 2004 ballot measure that created California's stem cell research funding initiative wants to put a $5.5 billion initiative on the November 2020 ballot.
Source: Health Care:Biotechnology headlines - Category: Biotechnology Authors: Source Type: news
In this study, we assessed effects of LPZ on adipocyte differentiation and function by using 3T3-L1 preadipocytes and HFD-induced obesity mice as an in vitro and in vivo model, respectively.Main methodsOil red O staining and intracellular triacylglycerol content were used to determine lipid accumulation. Glucose uptake was performed to measure mature adipocyte function. Expression of adipocyte genes was determined by qRT-PCR and immunoblotting.Key findingsLPZ has dual effects on differentiation of 3T3-L1 cells. At low concentrations, LPZ enhanced adipocyte differentiation via induction of PPARγ and C/EBPα, two ...
Source: Life Sciences - Category: Biology Source Type: research
Publication date: Available online 20 October 2019Source: BiologicalsAuthor(s): Suresh Beri, Darshan Gandhi, Neil RavenscroftAbstractThe native structure of the bacterial polysaccharide is the key immunogenic component of conjugate vaccines and antibodies raised against the polysaccharide structure are responsible for providing protection against the corresponding pathogen. The manufacturing process of conjugate vaccines is very complex and has various biological and chemical steps. It is important to monitor the process to ensure that the structural identity of the polysaccharide is maintained throughout the process. NMR ...
Source: Biologicals - Category: Biology Source Type: research
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