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Eloi R Verrier, Carine Genet, Denis Laloë, Florence Jaffrezic, Andrea Rau, Diane Esquerre, Nicolas Dechamp, Céline Ciobotaru, Caroline Hervet, Francine Krieg, Luc Jouneau, Christophe Klopp, Edwige Quillet, Pierre Boudinot
BACKGROUND: The viral hemorrhagic septicemia virus (VHSV) is a major threat for salmonid farming and for wild fish populations worldwide. Previous studies have highlighted the importance of innate factors regulated by a major quantitative trait locus (QTL) for the natural resistance to waterborne VHSV infection in rainbow trout. The aim of this study was to analyze the early transcriptomic response to VHSV inoculation in cell lines derived from previously described resistant and susceptible homozygous isogenic lines of rainbow trout to obtain insights into the molecular mechanisms responsible for the resistance to the viral infection...
June 19, 2018: BMC Genomics
Yasuo Mori, Goichi Yoshimoto, Ruriko Nishida, Takeshi Sugio, Kohta Miyawaki, Takahiro Shima, Yoji Nagasaki, Noriko Miyake, Yukiko Harada, Yuya Kunisaki, Kenjiro Kamezaki, Akihiko Numata, Koji Kato, Motoaki Shiratsuchi, Takahiro Maeda, Katsuto Takenaka, Hiromi Iwasaki, Nobuyuki Shimono, Koichi Akashi, Toshihiro Miyamoto
Bloodstream infection (BSI) is a well-known cause of morbidity and mortality in allogeneic hematopoietic stem cell transplantation (allo-HSCT) recipients. Here, we conducted a retrospective study to assess the morbidity, etiology, risk factors, and outcomes of BSI in the post-engraftment period (PE-BSI) following allo-HSCT. Forty-three out of 316 patients (13.6%) developed 57 PE-BSI episodes, in which 62 pathogens were isolated: gram-positive bacteria, gram-negative bacteria, and fungi, respectively, accounted for 54...
June 14, 2018: Biology of Blood and Marrow Transplantation
Salih Kumru, Hasan C Tekedar, Matt J Griffin, Geoffrey C Waldbieser, Mark R Liles, Tad Sonstegard, Steven G Schroeder, Mark L Lawrence, Attila Karsi
Aeromonas bestiarum is a Gram-negative mesophilic motile bacterium causing acute hemorrhagic septicemia or chronic skin ulcers in fish. Here, we report the draft genome sequence of A. bestiarum strain GA97-22, which was isolated from rainbow trout in 1997. This genome sequence will improve our understanding of the complex taxonomy of motile aeromonads.
June 14, 2018: Genome Announcements
Karoline Rieckmann, Anna Seydel, Kristin Szewczyk, Kerstin Klimke, Viktoria Rungelrath, Christoph Georg Baums
Streptococcus (S.) suis is an important porcine pathogen causing meningitis, arthritis and septicemia. As cps7 emerged recently in Germany in association with severe herd problems, the objective of this study was to characterize the geno- and phenotype of invasive cps7 strains. Twenty cps7 strains were isolated from diseased pigs from different farms with S. suis herd problems due to meningitis and other pathologies. Eighteen of the cps7 isolates belonged to sequence type (ST) 29. Most of these cps7 strains secreted a short MRP variant in agreement with a premature stop codon...
June 15, 2018: Veterinary Research
Ronan Eustace, Allison Wack, Lisa Mangus, Ellen Bronson
  The Maryland Zoo in Baltimore is home to the largest captive assurance population of the critically endangered Panamanian golden frog ( Atelopus zeteki). With the ongoing extinction that is occurring worldwide in amphibians, the need for amphibian captive assurance populations is growing, and few mortality reviews on amphibian species exist. Necropsy and histopathologic examination of animals that die in captivity can help identify population-level disease problems, direct research needs in amphibian medicine and husbandry, and improve the success of captive breeding programs...
June 2018: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
Na Ra Yun, Dong-Min Kim
Vibrio vulnificus is a gram-negative bacterium that can cause serious, potentially fatal infections. V. vulnificus causes three distinct syndromes: an overwhelming primary septicemia caused by consuming contaminated seafood, wound infections acquired when an open wound is exposed to contaminated warm seawater, and gastrointestinal tract-limited infections. Case-fatality rates are higher than 50% for primary septicemia, and death typically occurs within 72 hours of hospitalization. Risk factors for V. vulnificus infection include chronic liver disease, alcoholism, and hematological disorders...
June 15, 2018: Korean Journal of Internal Medicine
S Maham, F Fallah, Z Gholinejad, A Seifi, S M Hoseini-Alfatemi
BACKGROUND: Due to the diverse nature of bloodstream infections etiology and to the antibiotic resistance patterns in periodic intervals, rational and accurate use of antibiotics requires an understanding of common causative agents of septicemia and their susceptibility patterns. The present study aimed to determine the bacterial etiology of the neonate and pediatric septicemia, and their antibiotic resistance pattern in Tehran, North of Iran. MATERIAL AND METHODS: This retrospective cross-sectional study was conducted along two years, from October 2014 to November 2016 among children with suspected bloodstream infection...
July 2018: Annali di Igiene: Medicina Preventiva e di Comunità
Jee Youn Hwang, Kesavan Markkandan, Kyudong Han, Mun Gyeong Kwon, Jung Soo Seo, Seung-Il Yoo, Seong Don Hwang, Bo Young Ji, Maeng-Hyun Son, Jun-Hyung Park
Olive flounder (Paralichthys olivaceus) is one of the most economically important aquaculture fish. However, its production is often affected by various diseases, especially viral hemorrhagic septicemia virus (VHSV) that cause serious economic losses. In this study, we sequenced the whole transcriptome of the P. olivaceus using Illumina RNA-sEq. De novo assembly of control and virus-infected cDNA libraries of head kidney at 13 and 20 °C was accomplished with 2,007,532,438 raw reads, resulting in 244,578 unigenes with an average length of 533 bp and found 65,535 candidate coding unigenes with homology to other species by BLAST analysis...
March 2018: Genes & Genomics
Yohsuke Ogawa, Kazumasa Shiraiwa, Sayaka Nishikawa, Masahiro Eguchi, Yoshihiro Shimoji
Erysipelothrix rhusiopathiae causes swine erysipelas, an infection characterized by acute septicemia or chronic endocarditis and polyarthritis. Among seventeen E. rhusiopathiae serovars, determined based on heat-stable peptidoglycan antigens, serovars 1 and 2 are most commonly associated with the disease; however, the molecular basis for the association between these serovars and virulence is unknown. To search for the genetic region defining serovar 1a (Fujisawa) strain antigenicity, we examined the 15-kb chromosomal region encompassing a putative pathway for polysaccharide biosynthesis, which was previously identified in the E...
June 11, 2018: Infection and Immunity
Torpong Thongngarm, Adhiratha Boonyasiri, Panitan Pradubpongsa, Nattaporn Tesavibul, Tauangtham Anekpuritanang, Piyawut Kreetapirom, Mongkhon Sompornrattanaphan
BACKGROUND: Good syndrome (GS) is an adult-onset immunodeficiency characterized by coexisting thymoma and hypogammaglobulinemia. Clinical course after treatment with intravenous immunoglobulin (IVIg) has rarely been reported. OBJECTIVE: To investigate and report the clinical course and outcomes of GS patients after treatment with IVIg at Thailand's largest national tertiary referral hospital METHODS: This retrospective chart review included patients diagnosed with GS and treated with IVIg during the 1 January 2005 to 31 December 2015 study period...
June 11, 2018: Asian Pacific Journal of Allergy and Immunology
Donatella M Rodio, Alessia Bressan, Cecilia Ambrosi, Daniela Scribano, Rita Tolli, Wassim Mansour, Francesco Speziale, Guido Antonelli, Maria Trancassini, Valeria Pietropaolo
We report a case of Yersinia enterocolitica septicemia in a 63-year-old patient admitted to the Vascular Surgery Department of Umberto I Hospital (Rome, Italy) for an abdominal aortic aneurysm. The microorganism, recovered from both peripheral blood cultures and aneurysmatic aortic wall specimens, was identified as Y. enterocolitica using matrix-assisted laser desorption ionization-time of flight analysis (MALDI-TOF MS) and 16S rDNA gene sequencing. The isolate responsible for septicemia belonged to the O:9 serotype (biogroup 2)...
2018: Frontiers in Medicine
Chun-Ming Chen, Hsuan-Ju Chen, Wei-Shan Chen, Che-Chen Lin, Chih-Cheng Hsu, Yueh-Han Hsu
OBJECTIVE: To determine the clinical effectiveness of influenza vaccination in patients with rheumatoid arthritis (RA). METHODS: The present study was conducted by using the Taiwan National Health Insurance Research Database. In this retrospective nationwide study, we included 3748 RA patients who received influenza vaccinations in 2008, 2009 and 2010, and 3748 matched RA patients who did not receive influenza vaccinations. We followed the patients from 4 weeks after influenza vaccination to the end of the influenza season in each year...
June 2018: International Journal of Rheumatic Diseases
Chia-Lin Tsai, Jiunn-Tay Lee, Li-Ming Lien, Chun-Chieh Lin, I-Ju Tsai, Yueh-Feng Sung, Chung-Hsing Chou, Fu-Chi Yang, Chia-Kuang Tsai, I-Kuan Wang, Chun-Hung Tseng, Chung-Y Hsu
Background: Multiple sclerosis (MS) is the most common inflammatory demyelinating disease of the central nervous system. Few studies focused on the relationship between septicemia and MS. Aim: To evaluate the potential impact of septicemia on risk for MS. Design: Two cohorts of patients with septicemia and without septicemia were followed up for the occurrence of MS. Methods: 482,790 patients with septicemia was enrolled from the National Health Insurance Research Database between 2001 and 2011 as the study group to match the 1,892,820 individuals, as the control group, by age and gender...
June 6, 2018: QJM: Monthly Journal of the Association of Physicians
P Cuvelier, A Bouteiller, P Fortpied, M Lonneux, S Blumental
Omphalitis is a rare infection in our countries. Streptoccus pyogenes is one of the most frequently encountered germs. Complications are rare but include septicemia and necrotizing fasciitis with a high mortality rate. The case reported in this article is that of an 11 days old infant with pyogenic streptococcal omphalitis who developed cellulitis of left food. An intravenous antibiotic treatment allowed complete resolution of the symptoms. The article is the opportunity to review of the risk factors of this affection, its complications and treatments...
May 30, 2018: Revue Médicale de Bruxelles
Simin Deng, Tong Xu, Qiong Fang, Lei Yu, Jiaqi Zhu, Long Chen, Jiahui Liu, Rui Zhou
Streptococcus suis is an emerging zoonotic pathogen causing streptococcal toxic shock like syndrome (STSLS), meningitis, septicemia, and even sudden death in human and pigs. Serious septicemia indicates this bacterium can evade the host complement surveillance. In our previous study, a functionally unknown protein SntA of S. suis has been identified as a heme-binding protein, and contributes to virulence in pigs. SntA can interact with the host antioxidant protein AOP2 and consequently inhibit its antioxidant activity...
2018: Frontiers in Immunology
Kamilia Abdelraouf, Aryun Kim, Kevin M Krause, David P Nicolau
Background : Plazomicin is a next-generation aminoglycoside with potent in vitro activity against multidrug- and carbapenem-resistant Enterobacteriaceae. The objective of this study was to assess the efficacy of plazomicin exposure, alone and in combination with meropenem or tigecycline, against Enterobacteriaceae in the immunocompetent murine septicemia model. Methods : ICR mice were inoculated intraperitoneally with bacterial suspensions. Eight Enterobacteriaceae isolates with wide ranges of plazomicin, meropenem and tigecycline MICs were utilized...
June 4, 2018: Antimicrobial Agents and Chemotherapy
Mariëlle van Aalst, Felix Lötsch, René Spijker, Jan T M van der Meer, Miranda W Langendam, Abraham Goorhuis, Martin P Grobusch, Godelieve J de Bree
BACKGROUND: Invasive pneumococcal disease (IPD) is associated with high morbidity and mortality, with immunocompromised patients (ICPs) at particular risk. Therefore, guidelines recommend pneumococcal vaccination for these patients. However, guidelines are scarcely underpinned with references to incidence studies of IPD in this population. This, potentially results in unawareness of the importance of vaccination and low vaccination rates. The objective of this systematic review and meta-analysis was to assess the incidence of IPD in ICPs...
May 31, 2018: Travel Medicine and Infectious Disease
Devlynne S Ondusko, Dawn Nolt
Staphylococcus aureus is a bacterium that can cause a variety of illnesses through suppurative or nonsuppurative (toxin-mediated) means. S aureus is a common cause of skin and skin structure infections as well as osteoarticular infections in the pediatric population. S aureus is also identified in cases of septicemia, infective endocarditis, pneumonia, ocular infections, and central nervous system infections. To design appropriate empirical therapy, pediatricians should be knowledgeable about the resistance patterns of S aureus in their communities, including methicillin and clindamycin resistance...
June 2018: Pediatrics in Review
Disa Dahlman, Jonas Berge, Per Björkman, Anna C Nilsson, Anders Håkansson
BACKGROUND: Both skin and soft tissue infections (SSTI) and systemic bacterial infections are common in people who inject drugs (PWID), but data on incidence and risk factors are lacking. We compared registered diagnoses for such infections in Swedish criminal justice clients with regard to injecting drug use. METHODS: Baseline interview data from the Swedish Prison and Probation Service on drug use in PWID and non-PWID with problematic alcohol use were linked to follow-up data from national Swedish registers on hospital diagnoses and/or death...
2018: PloS One
Hideki Tanaka, Kiyoaki Tsukahara, Isaku Okamoto, Rio Kojima, Kazuhiro Hirasawa, Hiroki Sato
In nonocclusive mesenteric ischemia (NOMI), mesenteric ischemia and intestinal necrosis occur despite the absence of organic blockage in mesenteric blood vessels. As abdominal pain is often absent and few characteristic findings are seen in blood biochemistry, imaging diagnosis or other examinations, discovery is often delayed. With a mortality rate of 56-79%, NOMI is a very serious disease. However, few reports have described this pathology in association with chemotherapy regimens such as those used for malignant head and neck tumors...
2018: Case Reports in Otolaryngology
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