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Articles 1081 - 1110 of 2998
Full-Text Articles in Entire DC Network
Cefazolin Inoculum Effect And Methicillin-Susceptible Staphylococcus Aureus Osteoarticular Infections In Children, J Chase Mcneil, Lauren M Sommer, Mary Boyle, Patrick Hogan, Jesus G Vallejo, Kristina G Hultén, Anthony R Flores, Sheldon L Kaplan, Stephanie Fritz
Cefazolin Inoculum Effect And Methicillin-Susceptible Staphylococcus Aureus Osteoarticular Infections In Children, J Chase Mcneil, Lauren M Sommer, Mary Boyle, Patrick Hogan, Jesus G Vallejo, Kristina G Hultén, Anthony R Flores, Sheldon L Kaplan, Stephanie Fritz
Open Access Publications
Select methicillin-susceptible
Cd300lf Polymorphisms Of Inbred Mouse Strains Confer Resistance To Murine Norovirus Infection In A Cell Type-Dependent Manner, Kevin Furlong, Scott B. Biering, Jayoung Choi, Craig B. Wilen, Robert C. Orchard, Christiane E. Wobus, Christopher A. Nelson, Daved H. Fremont, Megan T. Baldridge, Glenn Randall, Seungmin Hwang
Cd300lf Polymorphisms Of Inbred Mouse Strains Confer Resistance To Murine Norovirus Infection In A Cell Type-Dependent Manner, Kevin Furlong, Scott B. Biering, Jayoung Choi, Craig B. Wilen, Robert C. Orchard, Christiane E. Wobus, Christopher A. Nelson, Daved H. Fremont, Megan T. Baldridge, Glenn Randall, Seungmin Hwang
Open Access Publications
Human norovirus is the leading cause of gastroenteritis worldwide, yet basic questions about its life cycle remain unanswered due to an historical lack of robust experimental systems. Recent studies on the closely related murine norovirus (MNV) have identified CD300LF as an indispensable entry factor for MNV. We compared the MNV susceptibilities of cells from different mouse strains and identified polymorphisms in murine CD300LF which are critical for its function as an MNV receptor. Bone marrow-derived macrophages (BMDMs) from I/LnJ mice were resistant to infection from multiple MNV strains which readily infect BMDMs from C57BL/6J mice. The resistance of I/LnJ BMDMs …
Safety, Tolerability, And Immunogenicity Of Plasmodium Falciparum Sporozoite Vaccine Administered By Direct Venous Inoculation To Infants And Young Children: Findings From An Age De-Escalation, Dose-Escalation, Double-Blind, Randomized Controlled Study In Western Kenya, Laura C Steinhardt, Ginnie Abarbanell, Et Al.
Safety, Tolerability, And Immunogenicity Of Plasmodium Falciparum Sporozoite Vaccine Administered By Direct Venous Inoculation To Infants And Young Children: Findings From An Age De-Escalation, Dose-Escalation, Double-Blind, Randomized Controlled Study In Western Kenya, Laura C Steinhardt, Ginnie Abarbanell, Et Al.
2020-Current year OA Pubs
BACKGROUND: The whole Plasmodium falciparum sporozoite (PfSPZ) vaccine is being evaluated for malaria prevention. The vaccine is administered intravenously for maximal efficacy. Direct venous inoculation (DVI) with PfSPZ vaccine has been safe, tolerable, and feasible in adults, but safety data for children and infants are limited.
METHODS: We conducted an age de-escalation, dose-escalation randomized controlled trial in Siaya County, western Kenya. Children and infants (aged 5-9 years, 13-59 months, and 5-12 months) were enrolled into 13 age-dose cohorts of 12 participants and randomized 2:1 to vaccine or normal saline placebo in escalating doses: 1.35 × 105, 2.7 × 105, 4.5 …
Comparison Of Repeated Doses Of Ivermectin Versus Ivermectin Plus Albendazole For The Treatment Of Onchocerciasis: A Randomized, Open-Label, Clinical Trial, Linda Batsa Debrah, Kerstin Fischer, Gary Weil, Et Al.
Comparison Of Repeated Doses Of Ivermectin Versus Ivermectin Plus Albendazole For The Treatment Of Onchocerciasis: A Randomized, Open-Label, Clinical Trial, Linda Batsa Debrah, Kerstin Fischer, Gary Weil, Et Al.
2020-Current year OA Pubs
BACKGROUND: Improved treatment for onchocerciasis is needed to accelerate onchocerciasis elimination in Africa. Aiming to better exploit registered drugs, this study was undertaken to determine whether annual or semiannual treatment with ivermectin (IVM; 200 µg/kg) plus albendazole (ALB; 800 mg single dose) is superior to IVM alone.
METHODS: This trial was performed in Ghana and included 272 participants with microfilariae (MF), who were randomly assigned to 4 treatment arms: (1) IVM annually at 0, 12, and 24 months; (2) IVM semiannually at 0, 6, 12, 18, and 24 months; (3) IVM+ALB annually; or (4) IVM+ALB semiannually. Microfiladermia was determined pretreatment …
Diarrhea As A Potential Cause And Consequence Of Reduced Gut Microbial Diversity Among Undernourished Children In Peru, Saba Rouhani, Nicholas W Griffin, Pablo Peñataro Yori, Jeanette L Gehrig, Maribel Paredes Olortegui, Mery Siguas Salas, Dixner Rengifo Trigoso, Lawrence H Moulton, Eric R Houpt, Michael J Barratt, Margaret N Kosek, Jeffrey I Gordon
Diarrhea As A Potential Cause And Consequence Of Reduced Gut Microbial Diversity Among Undernourished Children In Peru, Saba Rouhani, Nicholas W Griffin, Pablo Peñataro Yori, Jeanette L Gehrig, Maribel Paredes Olortegui, Mery Siguas Salas, Dixner Rengifo Trigoso, Lawrence H Moulton, Eric R Houpt, Michael J Barratt, Margaret N Kosek, Jeffrey I Gordon
2020-Current year OA Pubs
BACKGROUND: Detrimental effects of diarrhea on child growth and survival are well documented, but details of the underlying mechanisms remain poorly understood. Recent evidence demonstrates that perturbations to normal development of the gut microbiota in early life may contribute to growth faltering and susceptibility to related childhood diseases. We assessed associations between diarrhea, gut microbiota configuration, and childhood growth in the Peruvian Amazon.
METHODS: Growth, diarrhea incidence, illness, pathogen infection, and antibiotic exposure were assessed monthly in a birth cohort of 271 children aged 0-24 months. Gut bacterial diversity and abundances of specific bacterial taxa were quantified by sequencing 16S …
Gut Microbiota Features Associated With Campylobacter Burden And Postnatal Linear Growth Deficits In A Peruvian Birth Cohort, Saba Rouhani, Nicholas W Griffin, Pablo Peñataro Yori, Maribel Paredes Olortegui, Mery Siguas Salas, Dixner Rengifo Trigoso, Lawrence H Moulton, Eric R Houpt, Michael J Barratt, Margaret N Kosek, Jeffrey I Gordon
Gut Microbiota Features Associated With Campylobacter Burden And Postnatal Linear Growth Deficits In A Peruvian Birth Cohort, Saba Rouhani, Nicholas W Griffin, Pablo Peñataro Yori, Maribel Paredes Olortegui, Mery Siguas Salas, Dixner Rengifo Trigoso, Lawrence H Moulton, Eric R Houpt, Michael J Barratt, Margaret N Kosek, Jeffrey I Gordon
2020-Current year OA Pubs
BACKGROUND: Campylobacter infection is associated with impaired growth of children, even in the absence of symptoms. To examine the underlying mechanisms, we evaluated associations between Campylobacter infection, linear growth, and fecal microbial community features in a prospective birth cohort of 271 children with a high burden of diarrhea and stunting in the Amazonian lowlands of Peru.
METHODS: Campylobacter was identified using a broadly reactive, genus-specific enzyme-linked immunosorbent assay. 16S rRNA-based analyses were used to identify bacterial taxa in fecal samples at ages 6, 12, 18, and 24 months (N = 928). Associations between infection, growth, and gut microbial community composition …
Testing The Impact Of A Single Nucleotide Polymorphism In A Plasmodium Berghei Apiap2 Transcription Factor On Experimental Cerebral Malaria In Mice, Munir Akkaya, Abhisheka Bansal, Patrick W Sheehan, Mirna Pena, Clare K Cimperman, Chen Feng Qi, Takele Yazew, Thomas D Otto, Oliver Billker, Louis H Miller, Susan K Pierce
Testing The Impact Of A Single Nucleotide Polymorphism In A Plasmodium Berghei Apiap2 Transcription Factor On Experimental Cerebral Malaria In Mice, Munir Akkaya, Abhisheka Bansal, Patrick W Sheehan, Mirna Pena, Clare K Cimperman, Chen Feng Qi, Takele Yazew, Thomas D Otto, Oliver Billker, Louis H Miller, Susan K Pierce
Open Access Publications
Cerebral malaria (CM) is the deadliest form of severe Plasmodium infections. Currently, we have limited understanding of the mechanisms by which Plasmodium parasites induce CM. The mouse model of CM, experimental CM (ECM), induced by infection with the rodent parasite, Plasmodium berghei ANKA (PbANKA) has been extensively used to study the pathophysiology of CM. Recent genomic analyses revealed that the coding regions of PbANKA and the closely related Plasmodium berghei NK65 (PbNK65), that does not cause ECM, differ in only 21 single nucleotide polymorphysims (SNPs). Thus, the SNP-containing genes might contribute to the pathogenesis of ECM. Although the majority of …
Tonic Tcr Signaling Inversely Regulates The Basal Metabolism Of Cd4+ T Cells, Ashley A Viehmann Milam, Juliet M Bartleson, Michael D Buck, Chih-Hao Chang, Alexey Sergushichev, David L Donermeyer, Wing Y Lam, Erika L Pearce, Maxim N Artyomov, Paul M Allen
Tonic Tcr Signaling Inversely Regulates The Basal Metabolism Of Cd4+ T Cells, Ashley A Viehmann Milam, Juliet M Bartleson, Michael D Buck, Chih-Hao Chang, Alexey Sergushichev, David L Donermeyer, Wing Y Lam, Erika L Pearce, Maxim N Artyomov, Paul M Allen
2020-Current year OA Pubs
The contribution of self-peptide-MHC signaling in CD4
Virus Infection Is Controlled By Hematopoietic And Stromal Cell Sensing Of Murine Cytomegalovirus Through Sting, Sytse J. Piersma, Jennifer Poursine-Laurent, Liping Yang, Glen N. Barber, Bijal A. Parikh, Wayne M. Yokoyama
Virus Infection Is Controlled By Hematopoietic And Stromal Cell Sensing Of Murine Cytomegalovirus Through Sting, Sytse J. Piersma, Jennifer Poursine-Laurent, Liping Yang, Glen N. Barber, Bijal A. Parikh, Wayne M. Yokoyama
Open Access Publications
Recognition of DNA viruses, such as cytomegaloviruses (CMVs), through pattern-recognition receptor (PRR) pathways involving MyD88 or STING constitute a first-line defense against infections mainly through production of type I interferon (IFN-I). However, the role of these pathways in different tissues is incompletely understood, an issue particularly relevant to the CMVs which have broad tissue tropisms. Herein, we contrasted anti-viral effects of MyD88 versus STING in distinct cell types that are infected with murine CMV (MCMV). Bone marrow chimeras revealed STING-mediated MCMV control in hematological cells, similar to MyD88. However, unlike MyD88, STING also contributed to viral control in non-hematological, stromal …
The Brief Case: "Not Positive" Or "Not Sure"-Covid-19-Negative Results In A Symptomatic Patient, Bijal A Parikh, Thomas C Bailey, Patrick G Lyons, Neil W Anderson
The Brief Case: "Not Positive" Or "Not Sure"-Covid-19-Negative Results In A Symptomatic Patient, Bijal A Parikh, Thomas C Bailey, Patrick G Lyons, Neil W Anderson
Open Access Publications
No abstract provided.
Inhibition Of Fatty Acid Oxidation Promotes Macrophage Control Of Mycobacterium Tuberculosis, Pallavi Chandra, Li He, Matthew Zimmerman, Guozhe Yang, Stefan Köster, Mireille Ouimet, Han Wang, Kathyrn J Moore, Véronique Dartois, Joel D Schilling, Jennifer A Philips
Inhibition Of Fatty Acid Oxidation Promotes Macrophage Control Of Mycobacterium Tuberculosis, Pallavi Chandra, Li He, Matthew Zimmerman, Guozhe Yang, Stefan Köster, Mireille Ouimet, Han Wang, Kathyrn J Moore, Véronique Dartois, Joel D Schilling, Jennifer A Philips
Open Access Publications
Macrophage activation involves metabolic reprogramming to support antimicrobial cellular functions. How these metabolic shifts influence the outcome of infection by intracellular pathogens remains incompletely understood.
Comparative Genomics And Transcriptomics Of 4 Paragonimus Species Provide Insights Into Lung Fluke Parasitism And Pathogenesis, Bruce A. Rosa, Young-Jun Choi, Samantha N. Mcnulty, Hyeim Jung, John Martin, Takeshi Agatsuma, Hiromu Sugiyama, Thanh Hoa Le, Pham Ngoc Doanh, Wanchai Maleewong, David Blair, Paul J. Brindley, Peter U. Fischer, Makedonka Mitreva
Comparative Genomics And Transcriptomics Of 4 Paragonimus Species Provide Insights Into Lung Fluke Parasitism And Pathogenesis, Bruce A. Rosa, Young-Jun Choi, Samantha N. Mcnulty, Hyeim Jung, John Martin, Takeshi Agatsuma, Hiromu Sugiyama, Thanh Hoa Le, Pham Ngoc Doanh, Wanchai Maleewong, David Blair, Paul J. Brindley, Peter U. Fischer, Makedonka Mitreva
Open Access Publications
BACKGROUND: Paragonimus spp. (lung flukes) are among the most injurious foodborne helminths, infecting ∼23 million people and subjecting ∼292 million to infection risk. Paragonimiasis is acquired from infected undercooked crustaceans and primarily affects the lungs but often causes lesions elsewhere including the brain. The disease is easily mistaken for tuberculosis owing to similar pulmonary symptoms, and accordingly, diagnostics are in demand.
RESULTS: We assembled, annotated, and compared draft genomes of 4 prevalent and distinct Paragonimus species: Paragonimus miyazakii, Paragonimus westermani, Paragonimus kellicotti, and Paragonimus heterotremus. Genomes ranged from 697 to 923 Mb, included 12,072-12,853 genes, and were 71.6-90.1% complete according …
Association Of Interleukin 7 Immunotherapy With Lymphocyte Counts Among Patients With Severe Coronavirus Disease 2019 (Covid-19), Pierre Francois Laterre, Bruno François, Christine Collienne, Philippe Hantson, Robin Jeannet, Kenneth E. Remy, Richard S. Hotchkiss
Association Of Interleukin 7 Immunotherapy With Lymphocyte Counts Among Patients With Severe Coronavirus Disease 2019 (Covid-19), Pierre Francois Laterre, Bruno François, Christine Collienne, Philippe Hantson, Robin Jeannet, Kenneth E. Remy, Richard S. Hotchkiss
Open Access Publications
No abstract provided.
The Endosymbiont Wolbachia Rebounds Following Antibiotic Treatment, Emma L. Gunderson, Young-Jun Choi, Makedonka Mitreva, Et Al.
The Endosymbiont Wolbachia Rebounds Following Antibiotic Treatment, Emma L. Gunderson, Young-Jun Choi, Makedonka Mitreva, Et Al.
Open Access Publications
Antibiotic treatment has emerged as a promising strategy to sterilize and kill filarial nematodes due to their dependence on their endosymbiotic bacteria, Wolbachia. Several studies have shown that novel and FDA-approved antibiotics are efficacious at depleting the filarial nematodes of their endosymbiont, thus reducing female fecundity. However, it remains unclear if antibiotics can permanently deplete Wolbachia and cause sterility for the lifespan of the adult worms. Concerns about resistance arising from mass drug administration necessitate a careful exploration of potential Wolbachia recrudescence. In the present study, we investigated the long-term effects of the FDA-approved antibiotic, rifampicin, in the Brugia pahangi …
Maternal Knowledge Of The Risk Of Vertical Transmission And Offspring Acquisition Of Hepatitis B., Mauricio Lisker-Melman, Mandana Khalili, Steven H Belle, Norah A Terrault, Hsing-Hua S Lin, Coleman I Smith, Raymond T Chung, Naoky Tsai, Natalie H Bzowej, Tram T Tran, Sarah Jane Schwarzenberg, Hepatitis B Research Network (Hbrn)
Maternal Knowledge Of The Risk Of Vertical Transmission And Offspring Acquisition Of Hepatitis B., Mauricio Lisker-Melman, Mandana Khalili, Steven H Belle, Norah A Terrault, Hsing-Hua S Lin, Coleman I Smith, Raymond T Chung, Naoky Tsai, Natalie H Bzowej, Tram T Tran, Sarah Jane Schwarzenberg, Hepatitis B Research Network (Hbrn)
Open Access Publications
INTRODUCTION AND OBJECTIVES: Universal vaccination at birth and in infancy is key to the elimination of chronic hepatitis B infection. We aimed to assess hepatitis B immune-prophylaxis and perinatal transmission knowledge, in a large and ethnically diverse cohort of previously pregnant North American women, chronically infected with hepatitis B.
MATERIALS AND METHODS: The Hepatitis B Research Network (HBRN) is comprised of 28 Clinical Centers in the United States and Canada. Female cohort participants were administered a questionnaire to assess: (1) their assertion of knowledge regarding HBV prophylaxis at birth, testing, and diagnosis of hepatitis B in their children, and (2) …
Impact Of Vancomycin-Induced Changes In The Intestinal Microbiota On The Pharmacokinetics Of Simvastatin, Jung Sunwoo, Sang Chun Ji, Andrew Hyoungjin Kim, Kyung-Sang Yu, Joo-Youn Cho, In-Jin Jang, Seunghwan Lee
Impact Of Vancomycin-Induced Changes In The Intestinal Microbiota On The Pharmacokinetics Of Simvastatin, Jung Sunwoo, Sang Chun Ji, Andrew Hyoungjin Kim, Kyung-Sang Yu, Joo-Youn Cho, In-Jin Jang, Seunghwan Lee
2020-Current year OA Pubs
The pharmacokinetic (PK) properties of drugs are affected in several ways by interactions with microbiota. The aim of this study was to investigate the effects of oral vancomycin on the gut microbiota and, consequently, on the PKs of simvastatin. An open-label, single arm, sequential crossover study was conducted in six healthy Korean male subjects. After 6 days on a control diet, simvastatin 40 mg was orally administered to the subjects before and after 1 week of oral vancomycin treatment. Blood samples for PK analysis and fecal samples for metagenomic and metabolomic analyses were collected. After vancomycin treatment, the richness of …
Prevalence, Incidence, And Clearance Of Human Papillomavirus Types Covered By Current Vaccines In Men With Human Immunodeficiency Virus In The Sun Study, Pragna Patel, Tim Bush, Lois Conley, Elizabeth R Unger, Teresa M Darragh, Keith Henry, Gerome Escota, John T Brooks, Erna Milunka Kojic
Prevalence, Incidence, And Clearance Of Human Papillomavirus Types Covered By Current Vaccines In Men With Human Immunodeficiency Virus In The Sun Study, Pragna Patel, Tim Bush, Lois Conley, Elizabeth R Unger, Teresa M Darragh, Keith Henry, Gerome Escota, John T Brooks, Erna Milunka Kojic
2020-Current year OA Pubs
BACKGROUND: High-risk anal human papillomavirus (HPV) infection is prevalent among men living with human immunodeficiency virus (HIV); the association between 9-valent (9v) high-risk HPV (HR-HPV) vaccine types and abnormal cytology has not been well characterized.
METHODS: We followed a prospective cohort study of persons with HIV at 7 HIV clinics in 4 US cities from March 2004 through June 2012. Annually, providers collected separate anal swabs for HPV detection and cytopathologic examination. Among men, we examined prevalence, incidence, and clearance of 9v HR-HPV vaccine types, compared with other HR types, and associations with abnormal cytology to assess potential vaccine impact. …
Evaluation Of The Biofire Filmarray Pneumonia Panel For Detection Of Viral And Bacterial Pathogens In Lower Respiratory Tract Specimens In The Setting Of A Tertiary Care Academic Medical Center, Daniel M Webber, Meghan A Wallace, C A Burnham, Neil W Anderson
Evaluation Of The Biofire Filmarray Pneumonia Panel For Detection Of Viral And Bacterial Pathogens In Lower Respiratory Tract Specimens In The Setting Of A Tertiary Care Academic Medical Center, Daniel M Webber, Meghan A Wallace, C A Burnham, Neil W Anderson
Open Access Publications
Our objective was to evaluate the diagnostic yield and accuracy of the BioFire FilmArray pneumonia panel (BFPP) for identification of pathogens in lower respiratory tract specimens (
Assessment Of Antibiotic-Resistant Organism Transmission Among Rooms Of Hospitalized Patients, Healthcare Personnel, And The Hospital Environment Utilizing Surrogate Markers And Selective Bacterial Cultures, Jennie H Kwon, Kimberly Reske, Caroline A O'Neil, Candice Cass, Sondra Seiler, Meghan A Wallace, Tiffany Hink, Stephen Y Liang, Victoria J Fraser, Carey-Ann D Burnham, Erik R Dubberke
Assessment Of Antibiotic-Resistant Organism Transmission Among Rooms Of Hospitalized Patients, Healthcare Personnel, And The Hospital Environment Utilizing Surrogate Markers And Selective Bacterial Cultures, Jennie H Kwon, Kimberly Reske, Caroline A O'Neil, Candice Cass, Sondra Seiler, Meghan A Wallace, Tiffany Hink, Stephen Y Liang, Victoria J Fraser, Carey-Ann D Burnham, Erik R Dubberke
Open Access Publications
OBJECTIVE: To assess potential transmission of antibiotic-resistant organisms (AROs) using surrogate markers and bacterial cultures.
DESIGN: Pilot study.
SETTING: A 1,260-bed tertiary-care academic medical center.
PARTICIPANTS: The study included 25 patients (17 of whom were on contact precautions for AROs) and 77 healthcare personnel (HCP).
METHODS: Fluorescent powder (FP) and MS2 bacteriophage were applied in patient rooms. HCP visits to each room were observed for 2-4 hours; hand hygiene (HH) compliance was recorded. Surfaces inside and outside the room and HCP skin and clothing were assessed for fluorescence, and swabs were collected for MS2 detection by polymerase chain reaction (PCR) …
Efficacy Of Bezlotoxumab In Participants Receiving Metronidazole, Vancomycin, Or Fidaxomicin For Treatment Of Clostridioides (Clostridium) Difficile Infection, Erik R. Dubberke, Dale N. Gerding, Ciarán P. Kelly, Kevin W. Garey, Galia Rahav, Audrey Mosley, Robert Tipping, Mary Beth Dorr
Efficacy Of Bezlotoxumab In Participants Receiving Metronidazole, Vancomycin, Or Fidaxomicin For Treatment Of Clostridioides (Clostridium) Difficile Infection, Erik R. Dubberke, Dale N. Gerding, Ciarán P. Kelly, Kevin W. Garey, Galia Rahav, Audrey Mosley, Robert Tipping, Mary Beth Dorr
Open Access Publications
Background: In phase 3 MODIFY I/II trials, bezlotoxumab significantly reduced recurrence of
Methods: In MODIFY I/II (NCT01241552/NCT01513239), participants received a single infusion of bezlotoxumab (10 mg/kg) or placebo during anti-CDI treatment. Using pooled data from MODIFY I/II, initial clinical cure (ICC) and rCDI were assessed in metronidazole-, vancomycin-, and fidaxomicin-treated subgroups.
Results: Of 1554 participants in MODIFY I/II, 753 (48.5%) received metronidazole, 745 (47.9%) vancomycin, and 56 (3.6%) fidaxomicin. Fewer participants receiving metronidazole had a prior CDI episode in the previous 6 months (12.9%) or ≥1 risk factor for rCDI (66.0%) vs participants receiving vancomycin (41.2% and 83.6%, respectively) and …
Perspectives Of Patients On Outpatient Parenteral Antimicrobial Therapy: Experiences And Adherence, Yasir Hamad, Sai Dodda, Allison Frank, Joe Beggs, Christopher Sleckman, Glen Kleinschmidt, Michael A. Lane, Yvonne Burnett
Perspectives Of Patients On Outpatient Parenteral Antimicrobial Therapy: Experiences And Adherence, Yasir Hamad, Sai Dodda, Allison Frank, Joe Beggs, Christopher Sleckman, Glen Kleinschmidt, Michael A. Lane, Yvonne Burnett
Open Access Publications
Background: Nonadherence to medication is a burden to the US health care system and is associated with poor clinical outcomes. Data on outpatient parenteral antimicrobial therapy (OPAT) treatment plan adherence are lacking. The purpose of this study is to determine the rate of nonadherence and factors associated with it.
Methods: We surveyed patients discharged from a tertiary hospital on OPAT between February and August 2019 about their baseline characteristics, OPAT regimen, adherence, and experience with OPAT.
Results: Sixty-five patients responded to the survey. The median age was 62 years, and 56% were male. The rate of reported nonadherence to intravenous …
Antibiotic Prescription Practices In Primary Care In Low- And Middle-Income Countries: A Systematic Review And Meta-Analysis, Giorgia Sulis, Pierrick Adam, Vaidehi Nafade, Genevieve Gore, Benjamin Daniels, Amrita Daftary, Jishnu Das, Sumanth Gandra, Madhukar Pai
Antibiotic Prescription Practices In Primary Care In Low- And Middle-Income Countries: A Systematic Review And Meta-Analysis, Giorgia Sulis, Pierrick Adam, Vaidehi Nafade, Genevieve Gore, Benjamin Daniels, Amrita Daftary, Jishnu Das, Sumanth Gandra, Madhukar Pai
Open Access Publications
BACKGROUND: The widespread use of antibiotics plays a major role in the development and spread of antimicrobial resistance. However, important knowledge gaps still exist regarding the extent of their use in low- and middle-income countries (LMICs), particularly at the primary care level. We performed a systematic review and meta-analysis of studies conducted in primary care in LMICs to estimate the prevalence of antibiotic prescriptions as well as the proportion of such prescriptions that are inappropriate.
METHODS AND FINDINGS: We searched PubMed, Embase, Global Health, and CENTRAL for articles published between 1 January 2010 and 4 April 2019 without language restrictions. …
Site-Specific Siderocalin Binding To Ferric And Ferric-Free Enterobactin As Revealed By Mass Spectrometry, Chunyang Guo, Lindsey K Steinberg, Ming Cheng, Jong Hee Song, Jeffrey P Henderson, Michael L Gross
Site-Specific Siderocalin Binding To Ferric And Ferric-Free Enterobactin As Revealed By Mass Spectrometry, Chunyang Guo, Lindsey K Steinberg, Ming Cheng, Jong Hee Song, Jeffrey P Henderson, Michael L Gross
Open Access Publications
Both host and pathogen competitively manipulate coordination environments during bacterial infections. Human cells release the innate immune protein siderocalin (Scn, also known as lipocalin-2/Lcn2, neutrophil gelatinase-associated lipocalin/NGAL) that can inhibit bacterial growth by sequestering iron in a ferric complex with enterobactin (Ent), the ubiquitous
A New Gorilla Adenoviral Vector With Natural Lung Tropism Avoids Liver Toxicity And Is Amenable To Capsid Engineering And Vector Retargeting, Zhi Hong Lu, Igor P. Dmitriev, Douglas E. Brough, Elena A. Kashentseva, Jie Li, David T. Curiel
A New Gorilla Adenoviral Vector With Natural Lung Tropism Avoids Liver Toxicity And Is Amenable To Capsid Engineering And Vector Retargeting, Zhi Hong Lu, Igor P. Dmitriev, Douglas E. Brough, Elena A. Kashentseva, Jie Li, David T. Curiel
Open Access Publications
Human adenoviruses have many attractive features for gene therapy applications. However, the high prevalence of preexisting immunity against these viruses in general populations worldwide has greatly limited their clinical utility. In addition, the most commonly used human adenovirus, human adenovirus subgroup C serotype 5 (HAd5), when systemically administered, triggers systemic inflammation and toxicity, with the liver being the most severely affected organ. Here, we evaluated the utility and safety of a new low-seroprevalence gorilla adenovirus (GAd; GC46) as a gene transfer vector in mice. Biodistribution studies revealed that systemically administered GAd had a selective and robust lung endothelial cell (EC) …
De Novo Identification Of Toxicants That Cause Irreparable Damage To Parasitic Nematode Intestinal Cells, Douglas P. Jasmer, Bruce A. Rosa, Rahul Tyagi, Christina A. Bulman, Brenda Beerntsen, Joseph F. Urban Jr, Judy Sakanari, Makedonka Mitreva
De Novo Identification Of Toxicants That Cause Irreparable Damage To Parasitic Nematode Intestinal Cells, Douglas P. Jasmer, Bruce A. Rosa, Rahul Tyagi, Christina A. Bulman, Brenda Beerntsen, Joseph F. Urban Jr, Judy Sakanari, Makedonka Mitreva
Open Access Publications
Efforts to identify new drugs for therapeutic and preventive treatments against parasitic nematodes have gained increasing interest with expanding pathogen omics databases and drug databases from which new anthelmintic compounds might be identified. Here, a novel approach focused on integrating a pan-Nematoda multi-omics data targeted to a specific nematode organ system (the intestinal tract) with evidence-based filtering and chemogenomic screening was undertaken. Based on de novo computational target prioritization of the 3,564 conserved intestine genes in A. suum, exocytosis was identified as a high priority pathway, and predicted inhibitors of exocytosis were tested using the large roundworm (Ascaris suum larval …
Assessment Of Biological Role And Insight Into Druggability Of The Plasmodium Falciparum Protease Plasmepsin V, Alexander J Polino, Armiyaw S Nasamu, Jacquin C Niles, Daniel E Goldberg
Assessment Of Biological Role And Insight Into Druggability Of The Plasmodium Falciparum Protease Plasmepsin V, Alexander J Polino, Armiyaw S Nasamu, Jacquin C Niles, Daniel E Goldberg
Open Access Publications
Upon infecting a red blood cell (RBC), the malaria parasite
Cd300lf Is The Primary Physiologic Receptor Of Murine Norovirus But Not Human Norovirus, Vincent R. Graziano, Forrest C. Walker, Elizabeth A. Kennedy, Ebrahim Hassan, Arthur S. Kim, Megan T. Baldridge, Et Al.
Cd300lf Is The Primary Physiologic Receptor Of Murine Norovirus But Not Human Norovirus, Vincent R. Graziano, Forrest C. Walker, Elizabeth A. Kennedy, Ebrahim Hassan, Arthur S. Kim, Megan T. Baldridge, Et Al.
Open Access Publications
Murine norovirus (MNoV) is an important model of human norovirus (HNoV) and mucosal virus infection more broadly. Viral receptor utilization is a major determinant of cell tropism, host range, and pathogenesis. The bona fide receptor for HNoV is unknown. Recently, we identified CD300lf as a proteinaceous receptor for MNoV. Interestingly, its paralogue CD300ld was also sufficient for MNoV infection in vitro. Here we explored whether CD300lf is the sole physiologic receptor in vivo and whether HNoV can use a CD300 ortholog as an entry receptor. We report that both CD300ld and CD300lf are sufficient for infection by diverse MNoV strains …
Insights Into The Intracellular Localization, Protein Associations And Artemisinin Resistance Properties Of Plasmodium Falciparum K13, Nina F. Gnädig, Barbara H. Stokes, Rachel L. Edwards, Gavreel F. Kalantarov, Kim C. Heimsch, Michal Kuderjavy, Audrey Crane, Marcus C. S. Lee, Judith Straimer, Katja Becker, Ilya N. Trakht, Audrey R. Odom John, Sachel Mok, David A. Fidock
Insights Into The Intracellular Localization, Protein Associations And Artemisinin Resistance Properties Of Plasmodium Falciparum K13, Nina F. Gnädig, Barbara H. Stokes, Rachel L. Edwards, Gavreel F. Kalantarov, Kim C. Heimsch, Michal Kuderjavy, Audrey Crane, Marcus C. S. Lee, Judith Straimer, Katja Becker, Ilya N. Trakht, Audrey R. Odom John, Sachel Mok, David A. Fidock
Open Access Publications
The emergence of artemisinin (ART) resistance in Plasmodium falciparum intra-erythrocytic parasites has led to increasing treatment failure rates with first-line ART-based combination therapies in Southeast Asia. Decreased parasite susceptibility is caused by K13 mutations, which are associated clinically with delayed parasite clearance in patients and in vitro with an enhanced ability of ring-stage parasites to survive brief exposure to the active ART metabolite dihydroartemisinin. Herein, we describe a panel of K13-specific monoclonal antibodies and gene-edited parasite lines co-expressing epitope-tagged versions of K13 in trans. By applying an analytical quantitative imaging pipeline, we localize K13 to the parasite endoplasmic reticulum, Rab-positive …
Pre-Exposure Prophylaxis For Preventing Acquisition Of Hiv: A Cross-Sectional Study Of Patients, Prescribers, Uptake, And Spending In The United States, 2015-2016, Stephanie S. Chan, Andre R. Chappel, Karen E. Joynt Maddox, Karen W. Hoover, Ya-Lin A. Huang, Weiming Zhu, Stacy M. Cohen, Pamela W. Klein, Nancy De Lew
Pre-Exposure Prophylaxis For Preventing Acquisition Of Hiv: A Cross-Sectional Study Of Patients, Prescribers, Uptake, And Spending In The United States, 2015-2016, Stephanie S. Chan, Andre R. Chappel, Karen E. Joynt Maddox, Karen W. Hoover, Ya-Lin A. Huang, Weiming Zhu, Stacy M. Cohen, Pamela W. Klein, Nancy De Lew
Open Access Publications
BACKGROUND: In 2015, there were approximately 40,000 new HIV diagnoses in the United States. Pre-exposure prophylaxis (PrEP) is an effective strategy that reduces the risk of HIV acquisition; however, uptake among those who can benefit from it has lagged. In this study, we 1) compared the characteristics of patients who were prescribed PrEP with individuals newly diagnosed with HIV infection, 2) identified the specialties of practitioners prescribing PrEP, 3) identified metropolitan statistical areas (MSAs) within the US where there is relatively low uptake of PrEP, and 4) reported median amounts paid by patients and third-party payors for PrEP.
METHODS AND …
T Cell Response Kinetics Determines Neuroinfection Outcomes During Murine Hsv Infection, Aisha G Lee, Jason M Scott, Maria Rita Fabbrizi, Xiaoping Jiang, Dorothy K Sojka, Mark J Miller, Megan T Baldridge, Wayne M Yokoyama, Haina Shin
T Cell Response Kinetics Determines Neuroinfection Outcomes During Murine Hsv Infection, Aisha G Lee, Jason M Scott, Maria Rita Fabbrizi, Xiaoping Jiang, Dorothy K Sojka, Mark J Miller, Megan T Baldridge, Wayne M Yokoyama, Haina Shin
Open Access Publications
Herpes simplex virus-2 (HSV-2) and HSV-1 both can cause genital herpes, a chronic infection that establishes a latent reservoir in the nervous system. Clinically, the recurrence frequency of HSV-1 genital herpes is considerably less than HSV-2 genital herpes, which correlates with reduced neuronal infection. The factors dictating the disparate outcomes of HSV-1 and HSV-2 genital herpes are unclear. In this study, we show that vaginal infection of mice with HSV-1 leads to the rapid appearance of mature DCs in the draining lymph node, which is dependent on an early burst of NK cell-mediated IFN-γ production in the vagina that occurs …