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https://www.readbyqxmd.com/read/28823097/epitope-mapping-of-histo-blood-group-antigens-bound-to-norovirus-vlps-using-std-nmr-experiments-reveals-fine-details-of-molecular-recognition
#1
Brigitte Fiege, Mila Leuthold, Francisco Parra, Kevin P Dalton, Peter J Meloncelli, Todd L Lowary, Thomas Peters
Attachment of human noroviruses to histo blood group antigens (HBGAs) is thought to be critical for the infection process. Therefore, we have determined binding epitopes of synthetic type 1 to 6 blood group A- and B-tetrasaccharides binding to GII.4 human Norovirus virus like particles (VLPs) using STD NMR experiments. So far, little information is available from crystal structure analysis studies on the interactions of the reducing-end sugars with the protruding domain (P-domain) of the viral coat protein VP1...
August 19, 2017: Glycoconjugate Journal
https://www.readbyqxmd.com/read/28822656/phenylephrine-infusion-impact-on-surgical-site-infections-after-lower-extremity-bypass-surgery
#2
Craig Curry, Jens Eldrup-Jorgensen, Janelle Richard, Michele C Siciliano, Wendy Y Craig
OBJECTIVE: Lower extremity bypass (LEB) operations have high rates of surgical site infections (SSI). Phenylephrine is a commonly used vasoconstrictor which may reduce skin blood flow and increase the likelihood of SSI in these patients. We studied the potential effect of phenylephrine infusion during LEB surgery on SSI. METHODS: LEB cases and their demographic data were identified through the Vascular Quality Initiative registry. SSI in this population was identified using the hospital epidemiology surveillance database...
August 16, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28822610/evaluation-of-fever-in-the-emergency-department
#3
REVIEW
Sarah DeWitt, Summer A Chavez, Jack Perkins, Brit Long, Alex Koyfman
BACKGROUND: Fever is one of the most common complaints in the emergency department (ED) and is more complex than generally appreciated. The broad differential diagnosis of fever includes numerous infectious and non-infectious etiologies. An essential skill in emergency medicine is recognizing the pitfalls in fever evaluation. OBJECTIVE OF REVIEW: This review provides an overview of the complaint of fever in the ED to assist the emergency physician with a structured approach to evaluation...
August 14, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28822434/-risk-factors-of-bacterial-nosocomial-infection-after-pediatric-liver-transplantation
#4
H Zhu, W Gao
Objective: To analyze the risk factors of nosocomial infection after liver transplantation in children, so as to provide scientific evidence for the prevention and control of nosocomial infection. Method: Clinical data of 223 pediatric patients undergoing liver transplantation between January 2014 and December 2015 were analyzed retrospectively. Univariate and multivariate analyses were carried out to investigate the risk factors of infection after transplantation. Result: Totally 51 children were infected among the 223 patients, the infection rate was 22...
August 2, 2017: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/28822403/inpatient-peripherally-inserted-central-venous-catheter-complications-should-peripherally-inserted-central-catheter-lines-be-placed-in-the-intensive-care-unit-setting
#5
Michael Martyak, Ishraq Kabir, Rebecca Britt
Peripherally inserted central venous catheters (PICCs) are now commonly used for central access in the intensive care unit (ICU) setting; however, there is a paucity of data evaluating the complication rates associated with these lines. We performed a retrospective review of all PICCs placed in the inpatient setting at our institution during a 1-year period from January 2013 to December 2013. These were divided into two groups: those placed at the bedside in the ICU and those placed by interventional radiology in non-ICU patients...
August 1, 2017: American Surgeon
https://www.readbyqxmd.com/read/28822205/comparison-of-effectiveness-of-two-different-artemisinin-based-combination-therapies-in-an-area-with-high-seasonal-transmission-of-malaria-in-burkina-faso
#6
Paul Sondo, Karim Derra, Seydou Diallo Nakanabo, Zekiba Tarnagda, Adama Kazienga, Innocent Valea, Herman Sorgho, Jean-Bosco Ouédraogo, Tinga Robert Guiguemdé, Halidou Tinto
In Sahelian countries such as Burkina Faso, malaria transmission is seasonal with a high incidence of transmission during the rainy season. This study aimed to compare the effectiveness of the two recommended treatments (Artemether-Lumefantrine and Artesunate-Amodiaquine) for uncomplicated malaria in Burkina Faso regarding this seasonal variation of malaria transmission. This is part of a randomized open label trial comparing the effectiveness and safety of Artemether-Lumefantrine versus Artesunate-Amodiaquine according to routine practice in Nanoro...
2017: Annals of Parasitology
https://www.readbyqxmd.com/read/28822162/-immune-regulation-effect-of-chinese-medicine-of-invigorating-spleen-and-kidney-detoxification-on-simian-immunodeficiency-virus-infected-rhesus-macaque
#7
Miao-Miao Zhang, Zhuo-Tao Fu, Jian-Tao Chen, Ye Cheng, Bo-Qiang Zhu, Lin-Chun Fu, Hong-Yan Zhou
To evaluate the effect of Chinese medicine of invigorating spleen and kidney detoxification on simian immunodeficiency virus-infected rhesus macaque. Eight SIV rhesus macaques of the same age were randomly divided into Chinese medicine of invigorating spleen and kidney detoxification group(hereinafter referred to as Chinese medicine group) and anti-virus drug(HAART) group. The traditional Chinese medicine and antiviral therapy were given for 8 weeks, and peripheral blood was collected for detection in every 4 weeks...
June 2017: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/28822097/a-38-year-old-woman-with-necrotising-cervical-lymphadenitis-due-to-histoplasma-capsulatum
#8
Esther van de Vosse, Annelies van Wengen, Wendy F van der Meide, Leo G Visser, Jaap T van Dissel
CASE PRESENTATION: We analysed a 38-year-old woman with disseminated histoplasmosis for primary immunodeficiency. Her blood showed no IFN-γ response while her peripheral blood mononuclear cells (PBMCs) did. We identified IFN-γ autoantibodies of the IgG class in her serum. CONCLUSION: IFN-γ autoantibodies leading to infections were so far mainly detected in people from Asian descent, where it was found to be associated with certain HLA types. This may be the first patient of African descent, and without the typical HLA types that predispose to this problem, that produces IFN-γ autoantibodies...
August 18, 2017: Infection
https://www.readbyqxmd.com/read/28821818/an-essential-role-for-tagln2-in-phagocytosis-of-lipopolysaccharide-activated-macrophages
#9
Hye-Ran Kim, Hyun-Su Lee, Kyung-Sik Lee, In Duk Jung, Min-Sung Kwon, Chang-Hyun Kim, Seong-Min Kim, Myung-Han Yoon, Yeong-Min Park, Sang-Myeong Lee, Chang-Duk Jun
Activated macrophages have a greater ability of phagocytosis against pathogens that is mediated by large-scale actin rearrangement. However, molecular machineries that conduct this task have not been fully identified. Here, we demonstrate an unanticipated role of TAGLN2, a 22-kDa actin-binding protein, in Toll-like receptor (TLR)-stimulated phagocytosis. TAGLN2 was greatly induced in macrophages in response to lipopolysaccharide (LPS), a ligand for TLR4, partly via the NF-κB pathway. TAGLN2-deficient macrophages (TAGLN2 (-/-)) showed defective phagocytic functions of IgM- and IgG-coated sheep red blood cells as well as bacteria...
August 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28821806/longitudinal-study-of-changes-in-%C3%AE-%C3%AE-t-cells-and-cd4-t-cells-upon-asymptomatic-malaria-infection-in-indonesian-children
#10
Sanne E de Jong, Vera E R Asscher, Linda J Wammes, Aprilianto E Wiria, Firdaus Hamid, Erliyani Sartono, Taniawati Supali, Hermelijn H Smits, Adrian J F Luty, Maria Yazdanbakhsh
Both γδ T cells and CD4(+) T cells have been implicated in immunity to malaria, but their association with natural gain or loss of infection has not been studied before. Therefore, we followed up asymptomatic children living in an area endemic for malaria in Indonesia for 21 months. The percentage of γδ T cells was related to both current and previous infection, with higher percentages in infected than uninfected children and declining after infections resolve. Infected children also had higher levels of Th1 and Th17 cells, lower levels of CD25(Hi) FOXP3(+) regulatory T cells (Tregs), but similar levels of Th2 cells as compared to uninfected children...
August 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28821378/pathogens-and-outcomes-in-pediatric-septic-shock-patients-supported-by-extracorporeal-membrane-oxygenation
#11
Tu-Hsuan Chang, En-Ting Wu, Chun-Yi Lu, Shu-Chien Huang, Tzu-I Yang, Ching-Chia Wang, Jong-Min Chen, Ping-Ing Lee, Li-Min Huang, Luan-Yin Chang
BACKGROUND: Refractory septic shock is the leading cause of mortality in children. There is limited evidence to support extracorporeal membrane oxygenation (ECMO) use in pediatric septic shock. We described the etiology and outcomes of septic patients in our institution and attempted to find predictive factors. METHODS: We retrospectively reviewed 55 pediatric patients with septic shock who required ECMO support in a tertiary medical center from 2008 to 2015. Septic shock was defined as culture proved or clinical suspected sepsis with hypotension or end-organ hypoperfusion...
August 4, 2017: Journal of Microbiology, Immunology, and Infection, Wei Mian Yu Gan Ran za Zhi
https://www.readbyqxmd.com/read/28821261/main-lesions-in-the-central-nervous-system-of-dogs-due-to-leishmania-infantum-infection
#12
Weline Lopes Macau, Joicy Cortez de Sá, Ana Patrícia de Carvalho da Silva, Alessandra Lima Rocha, Renata Mondêgo-Oliveira, Fábio Henrique Evangelista de Andrade, Caroline Magalhães Cunha, Kátia da Silva Calabrese, Ana Lucia Abreu-Silva
BACKGROUND: Canine visceral leishmaniasis (CVL) is endemic in São Luís Maranhão/Brazil and it leads a varied clinical picture, including neurological signs. RESULTS: Histopathological evaluation showed that 14 dogs exhibited pathological alterations in at least one of the analyzed areas. Of these, mononuclear inflammatory reaction was the most frequent, although other lesions, such as hemorrhage, chromatolysis and gliosis were also observed. The presence of L...
August 18, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/28820897/persistent-infection-due-to-a-small-colony-variant-of-burkholderia-pseudomallei-leads-to-pd-1-upregulation-on-circulating-immune-cells-and-mononuclear-infiltration-in-viscera-of-experimental-balb-c-mice
#13
Jia-Xiang See, Samudi Chandramathi, Mahmood Ameen Abdulla, Jamuna Vadivelu, Esaki M Shankar
BACKGROUND: Melioidosis is a neglected tropical disease endemic across South East Asia and Northern Australia. The etiological agent, Burkholderia pseudomallei (B.pseudomallei), is a Gram-negative, rod-shaped, motile bacterium residing in the soil and muddy water across endemic regions of the tropical world. The bacterium is known to cause persistent infections by remaining latent within host cells for prolonged duration. Reactivation of the recrudescent disease often occurs in elders whose immunity wanes...
August 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28820881/vector-competence-of-populations-of-aedes-aegypti-from-three-distinct-cities-in-kenya-for-chikungunya-virus
#14
Sheila B Agha, Edith Chepkorir, Francis Mulwa, Caroline Tigoi, Samwel Arum, Milehna M Guarido, Peris Ambala, Betty Chelangat, Joel Lutomiah, David P Tchouassi, Michael J Turell, Rosemary Sang
BACKGROUND: In April, 2004, chikungunya virus (CHIKV) re-emerged in Kenya and eventually spread to the islands in the Indian Ocean basin, South-East Asia, and the Americas. The virus, which is often associated with high levels of viremia in humans, is mostly transmitted by the urban vector, Aedes aegypti. The expansion of CHIKV presents a public health challenge both locally and internationally. In this study, we investigated the ability of Ae. aegypti mosquitoes from three distinct cities in Kenya; Mombasa (outbreak prone), Kisumu, and Nairobi (no documented outbreak) to transmit CHIKV...
August 18, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28820709/performance-of-a-high-sensitivity-rapid-diagnostic-test-for-plasmodium-falciparum-malaria-in-asymptomatic-individuals-from-uganda-and-myanmar-and-naive-human-challenge-infections
#15
Smita Das, Ihn Kyung Jang, Becky Barney, Roger Peck, John C Rek, Emmanuel Arinaitwe, Harriet Adrama, Maxwell Murphy, Mallika Imwong, Clare L Ling, Stephane Proux, Warat Haohankhunnatham, Melissa Rist, Annette M Seilie, Amelia Hanron, Glenda Daza, Ming Chang, Tomoka Nakamura, Michael Kalnoky, Paul Labarre, Sean C Murphy, James S McCarthy, Francois Nosten, Bryan Greenhouse, Sophie Allauzen, Gonzalo J Domingo
Sensitive field-deployable diagnostic tests can assist malaria programs in achieving elimination. The performance of a new Alere™ Malaria Ag P.f Ultra Sensitive rapid diagnostic test (uRDT) was compared with the currently available SD Bioline Malaria Ag P.f RDT in blood specimens from asymptomatic individuals in Nagongera, Uganda, and in a Karen Village, Myanmar, representative of high- and low-transmission areas, respectively, as well as in pretreatment specimens from study participants from four Plasmodium falciparum-induced blood-stage malaria (IBSM) studies...
August 7, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28820708/clinical-spectrum-etiology-and-outcome-of-neurological-disorders-in-the-rural-hospital-of-mosango-the-democratic-republic-of-congo
#16
Deby Mukendi, Jean-Roger Lilo Kalo, Alain Mpanya, Luigi Minikulu, Tharcisse Kayembe, Pascal Lutumba, Barbara Barbé, Philippe Gillet, Jan Jacobs, Harry Van Loen, Cedric P Yansouni, François Chappuis, Raffaella Ravinetto, Kristien Verdonck, Marleen Boelaert, Andrea S Winkler, Emmanuel Bottieau
There is little published information on the epidemiology of neurological disorders in rural Central Africa, although the burden is considered to be substantial. This study aimed to investigate the pattern, etiology, and outcome of neurological disorders in children > 5 years and adults admitted to the rural hospital of Mosango, province of Kwilu, Democratic Republic of Congo, with a focus on severe and treatable infections of the central nervous system (CNS). From September 2012 to January 2015, 351 consecutive patients hospitalized for recent and/or ongoing neurological disorder were prospectively evaluated by a neurologist, subjected to a set of reference diagnostic tests in blood or cerebrospinal fluid, and followed-up for 3-6 months after discharge...
August 14, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28820684/lack-of-efficacy-of-liposomal-amphotericin-b-against-acute-and-chronic-trypanosoma-cruzi-infection-in-mice
#17
Karl V Clemons, Raymond A Sobel, Marife Martinez, Rodrigo Correa-Oliveira, David A Stevens
Acute and chronic infection with Trypanosoma cruzi affects millions of people. The current therapeutic options are highly toxic and often not effective. Liposomal amphotericin B (LABORATORY) has been demonstrated previously to have some activity in murine models. In our studies, higher dosages given multiple times were tested for activity against acute or chronic disease, exploring whether intermittent and brief regimens could be effective, as might then prove useful in human, particularly outpatient, therapy...
August 14, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28820494/immune-response-patterns-and-next-generation-sequencing-diagnostics-for-the-detection-of-mycoses-in-patients-with-septic-shock-results-of-a-combined-clinical-and-experimental-investigation
#18
Sebastian O Decker, Annette Sigl, Christian Grumaz, Philip Stevens, Yevhen Vainshtein, Stefan Zimmermann, Markus A Weigand, Stefan Hofer, Kai Sohn, Thorsten Brenner
Fungi are of increasing importance in sepsis. However, culture-based diagnostic procedures are associated with relevant weaknesses. Therefore, culture- and next-generation sequencing (NGS)-based fungal findings as well as corresponding plasma levels of β-d-glucan, interferon gamma (INF-γ), tumor necrosis factor alpha (TNF-α), interleukin (IL)-2, -4, -6, -10, -17A, and mid-regional proadrenomedullin (MR-proADM) were evaluated in 50 septic patients at six consecutive time points within 28 days after sepsis onset...
August 18, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28820369/imported-infections-with-mansonella-perstans-nematodes-italy
#19
Federico Gobbi, Anna Beltrame, Dora Buonfrate, Silvia Staffolani, Monica Degani, Maria Gobbo, Andrea Angheben, Stefania Marocco, Zeno Bisoffi
We report 74 patients in Italy infected with Mansonella perstans nematodes, a poorly described filarial parasite. M. perstans nematodes should be included in the differential diagnosis for patients with eosinophilia from disease-endemic countries. Serologic analysis is useful for screening, and testing for microfilaremia in peripheral blood should be performed for parasite-positive patients.
September 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28820067/a-comprehensive-review-on-ebola-ebov-virus-future-prospects
#20
Dr Abdru Rauf, Muhammad, Abdur Rauf, Ahsan Khan, Muhammad Rizwan, Seema Patel, Haroon Khan, Adel Mahasneh, Mohammad S Mubarak
Ebola virus (EBOV) was discovered for the first time in 1976. It belongs to the family Filoviridae, which causes hemorrhagic fever that could lead to death in a few days. West Africa faced a major outbreak where symptoms appeared in the form of chills, myalgia, fever, diarrhea, and vomiting, and the disease finally reached a severe state as a result of hemorrhagic complications and failure of multiple organs. EBOV spreads by contact with body fluids of an infected person such as blood, saliva, urine, and seminal fluid, and also spreads by a contact with contaminated surfaces...
August 16, 2017: Infectious Disorders Drug Targets
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