keyword
https://read.qxmd.com/read/38630890/successful-treatment-of-carbapenem-resistant-acinetobacter-baumannii-meningitis-with-sulbactam-durlobactam
#1
JOURNAL ARTICLE
Pranita D Tamma, Shanan Immel, Sara M Karaba, Caitlin L Soto, Rick Conzemius, Emily Gisriel, Tsigereda Tekle, Haley Stambaugh, Emily Johnson, Jeffrey A Tornheim, Patricia J Simner
BACKGROUND: The treatment of carbapenem-resistant Acinetobacter baumannii/calcoaceticus complex (CRAB) presents significant treatment challenges. METHODS: We report the case of a 42-year-old woman with CRAB meningitis who experienced persistently positive cerebrospinal fluid (CSF) cultures for 13 days despite treatment with high-dose ampicillin-sulbactam and cefiderocol. On day 13, she was transitioned to sulbactam-durlobactam and meropenem; four subsequent CSF cultures remained negative...
April 17, 2024: Clinical Infectious Diseases
https://read.qxmd.com/read/38630846/host-microbe-multiomic-profiling-reveals-age-dependent-immune-dysregulation-associated-with-covid-19-immunopathology
#2
JOURNAL ARTICLE
Hoang Van Phan, Alexandra Tsitsiklis, Cole P Maguire, Elias K Haddad, Patrice M Becker, Seunghee Kim-Schulze, Brian Lee, Jing Chen, Annmarie Hoch, Harry Pickering, Patrick van Zalm, Matthew C Altman, Alison D Augustine, Carolyn S Calfee, Steve Bosinger, Charles B Cairns, Walter Eckalbar, Leying Guan, Naresh Doni Jayavelu, Steven H Kleinstein, Florian Krammer, Holden T Maecker, Al Ozonoff, Bjoern Peters, Nadine Rouphael, Ruth R Montgomery, Elaine Reed, Joanna Schaenman, Hanno Steen, Ofer Levy, Joann Diray-Arce, Charles R Langelier
Age is a major risk factor for severe coronavirus disease 2019 (COVID-19), yet the mechanisms behind this relationship have remained incompletely understood. To address this, we evaluated the impact of aging on host immune response in the blood and the upper airway, as well as the nasal microbiome in a prospective, multicenter cohort of 1031 vaccine-naïve patients hospitalized for COVID-19 between 18 and 96 years old. We performed mass cytometry, serum protein profiling, anti-severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) antibody assays, and blood and nasal transcriptomics...
April 17, 2024: Science Translational Medicine
https://read.qxmd.com/read/38629975/comparing-pcsk9-monoclonal-antibody-treatment-strategies-following-myocardial-infarction-using-negative-control-outcomes-a-target-trial-emulation-study
#3
JOURNAL ARTICLE
Rosa Sloot, Alexander Breskin, Lisandro D Colantonio, Andrew G Allmon, Ying Yu, Swati Sakhuja, Ligong Chen, Paul Muntner, M Alan Brookhart, Nafeesa Dhalwani
BACKGROUND: Initiation of proprotein convertase subtilisin/kexin type 9 monoclonal antibody (PCSK9 mAb) for lipid-lowering following myocardial infarction (MI) is likely affected by patients' prognostic factors, potentially leading to bias when comparing real-world treatment effects. METHODS: Using target-trial emulation, we assessed potential confounding when comparing two treatment strategies post-MI: initiation of PCSK9 mAb within 1 year and no initiation of PCSK9 mAb...
March 12, 2024: Epidemiology
https://read.qxmd.com/read/38629835/molecular-characterization-and-descriptive-analysis-of-carbapenemase-producing-gram-negative-rod-infections-in-bogota-colombia
#4
JOURNAL ARTICLE
Elsa D Ibáñez-Prada, Ingrid G Bustos, Enrique Gamboa-Silva, Diego F Josa, Lina Mendez, Yuli V Fuentes, Cristian C Serrano-Mayorga, Oscar Baron, Alejandra Ruiz-Cuartas, Edwin Silva, Louise M Judd, Taylor Harshegyi, Hector F Africano, Juan Urrego-Reyes, Claudia C Beltran, Sebastian Medina, Rafael Leal, Andrew J Stewardson, Kelly L Wyres, Jane Hawkey, Luis Felipe Reyes
In this study, the genetic differences and clinical impact of the carbapenemase-encoding genes among the community and healthcare-acquired infections were assessed. This retrospective, multicenter cohort study was conducted in Colombia and included patients infected with carbapenem-resistant Gram-negative rods between 2017 and 2021. Carbapenem resistance was identified by Vitek, and carbapenemase-encoding genes were identified by whole-genome sequencing (WGS) to classify the alleles and sequence types (STs)...
April 17, 2024: Microbiology Spectrum
https://read.qxmd.com/read/38629290/genetic-deletion-of-%C3%AE-arrestin-2-from-the-subfornical-organ-and-other-periventricular-nuclei-in-the-brain-alters-fluid-homeostasis-and-blood-pressure
#5
JOURNAL ARTICLE
Natalia M Mathieu, Eden E Tan, John J Reho, Daniel T Brozoski, Patricia C Muskus, Ko-Ting Lu, Kelsey K Wackman, Justin L Grobe, Pablo Nakagawa, Curt D Sigmund
BACKGROUND: ANG (angiotensin II) elicits dipsogenic and pressor responses via activation of the canonical Gαq (G-protein component of the AT1 R [angiotensin type 1 receptor])-mediated AT1 R in the subfornical organ. Recently, we demonstrated that ARRB2 (β-arrestin 2) global knockout mice exhibit a higher preference for salt and exacerbated pressor response to deoxycorticosterone acetate salt. However, whether ARRB2 within selective neuroanatomical nuclei alters physiological responses to ANG is unknown...
April 17, 2024: Hypertension
https://read.qxmd.com/read/38627750/evaluation-of-objective-and-subjective-binocular-ocular-refraction-with-looking-in-type
#6
JOURNAL ARTICLE
Megumi Fukushima, Masakazu Hirota, Takafumi Yukimori, Akio Hayashi, Yoko Hirohara, Makoto Saika, Kumiko Matsuoka
BACKGROUND: This study aimed to compare the results of the Chronos binocular/monocular refraction system, that measures objective and subjective ocular refraction in one unit, to objective findings obtained from a conventional autorefractometer and a conventional subjective ocular refraction using a trial-frame in real space. METHODS: Twenty-eight healthy volunteers (21.2 ± 1.5 years old) were included in this study. Objective ocular refraction was measured using two tests: the Chronos binocular/monocular refraction system under binocular conditions and a conventional autorefractometer under monocular conditions...
April 16, 2024: BMC Ophthalmology
https://read.qxmd.com/read/38627686/development-of-a-smartphone-screening-test-for-preclinical-alzheimer-s-disease-and-validation-across-the-dementia-continuum
#7
JOURNAL ARTICLE
Jane Alty, Lynette R Goldberg, Eddy Roccati, Katherine Lawler, Quan Bai, Guan Huang, Aidan D Bindoff, Renjie Li, Xinyi Wang, Rebecca J St George, Kaylee Rudd, Larissa Bartlett, Jessica M Collins, Mimieveshiofuo Aiyede, Nadeeshani Fernando, Anju Bhagwat, Julia Giffard, Katharine Salmon, Scott McDonald, Anna E King, James C Vickers
BACKGROUND: Dementia prevalence is predicted to triple to 152 million globally by 2050. Alzheimer's disease (AD) constitutes 70% of cases. There is an urgent need to identify individuals with preclinical AD, a 10-20-year period of progressive brain pathology without noticeable cognitive symptoms, for targeted risk reduction. Current tests of AD pathology are either too invasive, specialised or expensive for population-level assessments. Cognitive tests are normal in preclinical AD...
April 16, 2024: BMC Neurology
https://read.qxmd.com/read/38627436/the-impact-of-crebrf-rs373863828-pacific-variant-on-infant-body-composition
#8
JOURNAL ARTICLE
Francesca Amitrano, Mohanraj Krishnan, Rinki Murphy, Karaponi A M Okesene-Gafa, Maria Ji, John M D Thompson, Rennae S Taylor, Tony R Merriman, Elaine Rush, Megan McCowan, Lesley M E McCowan, Christopher J D McKinlay
In Māori and Pacific adults, the CREBRF rs373863828 minor (A) allele is associated with increased body mass index (BMI) but reduced incidence of type-2 and gestational diabetes mellitus. In this prospective cohort study of Māori and Pacific infants, nested within a nutritional intervention trial for pregnant women with obesity and without pregestational diabetes, we investigated whether the rs373863828 A allele is associated with differences in growth and body composition from birth to 12-18 months' corrected age...
April 17, 2024: Scientific Reports
https://read.qxmd.com/read/38626396/on-demand-mxene-coupled-pyroelectricity-for-advanced-breathing-sensors-and-ir-data-receivers
#9
JOURNAL ARTICLE
Varun Gupta, Zinnia Mallick, Amitava Choudhury, Dipankar Mandal
MXene-inspired two-dimensional (2D) materials like Ti3 C2 T x are widely known for their versatile properties, including surface plasmon, higher electrical conductivity, exceptional in-plane tensile strength, EMI shielding, and IR thermal properties. The MXene nanosheets coupled poly(vinylidene fluoride) (PVDF) nanofibers with d 33 ∼-26 pm V-1 are able to capture the smaller thermal fluctuation due to a superior pyroelectric coefficient of ∼130 nC m-2 K-1 with an improved (∼7 times with respect to neat PVDF nanofibers) pyroelectric current figure of merit (FOMi )...
April 16, 2024: Langmuir: the ACS Journal of Surfaces and Colloids
https://read.qxmd.com/read/38625690/first-report-of-globisporangium-pythium-mastophorum-causing-damping-off-root-rot-on-parsley-in-slovenia
#10
JOURNAL ARTICLE
Janja Zajc, Eva Kovačec, Ursa Prislan, Aleksandra Podboj Ronta, Metka Žerjav, Hans-Josef Schroers
Pythium-like species cause damping-off symptoms of various hosts, including umbelliferous crops. In April 2023, parsley plantlets ( Petroselinum crispum ), showing stunted growth, yellowing, decayed roots and damping-off, were obtained from a nursery in central Slovenia, where parsley was grown in polystyrene trays in a greenhouse. Nearly 30% of plants were symptomatic. Sampled roots of ten plants contained ornamented oogonia (avg. 33.3 ± 1.4 µm in diam) with conical projections (5.2 ± 0.5 µm long) (Figure S1 A, B) in microscopically analyzed squash mounts...
April 16, 2024: Plant Disease
https://read.qxmd.com/read/38623783/conformational-and-electronic-variations-in-1-2-and-1-6-cyclophellitols-and-their-impact-on-retaining-%C3%AE-glucosidase-inhibition
#11
JOURNAL ARTICLE
Tim P Ofman, Jurriaan J A Heming, Alba Nin-Hill, Florian Küllmer, Elisha Moran, Megan Bennett, Roy Steneker, Anne-Mei Klein, Gijs Ruijgrok, Ken Kok, Zach W B Armstrong, Johannes M F G Aerts, Gijsbert A van der Marel, Carme Rovira, Gideon J Davies, Marta Artola, Jeroen D C Codée, Hermen S Overkleeft
Glycoside hydrolases (glycosidases) take part in myriad biological processes and are important therapeutic targets. Competitive and mechanism-based inhibitors are useful tools to dissect their biological role and comprise a good starting point for drug discovery. The natural product, cyclophellitol, a mechanism-based, covalent and irreversible retaining β-glucosidase inhibitor has inspired the design of diverse α- and β-glycosidase inhibitor and activity-based probe scaffolds. Here, we sought to deepen our understanding of the structural and functional requirements of cyclophellitol-type compounds for effective human α-glucosidase inhibition...
April 16, 2024: Chemistry: a European Journal
https://read.qxmd.com/read/38623483/on-time-denosumab-dosing-recovered-rapidly-during-the-covid-19-pandemic-yet-remains-suboptimal
#12
JOURNAL ARTICLE
Anna M Rzepka, Angela M Cheung, Sandra Kim, Tara Gomes, Suzanne M Cadarette
Timely administration of denosumab every 6 mo is critical in osteoporosis treatment to avoid multiple vertebral fracture risk upon denosumab discontinuation or delay. This study aimed to estimate the immediate and prolonged impact of the COVID-19 pandemic on the timing of denosumab doses. We identified older adults (≥66 yr) residing in the community who were due to receive denosumab between January 2016 and December 2020 using Ontario Drug Benefit data. We completed an interrupted time-series analysis to estimate the impact of the COVID-19 pandemic (March 2020) on the monthly proportion of on-time denosumab doses (183 +/-30 d)...
May 2024: JBMR Plus
https://read.qxmd.com/read/38623104/impression-disinfection-and-its-effect-on-dimensional-accuracy-and-surface-detail-in-the-times-of-covid-19-an-in-vitro-study
#13
JOURNAL ARTICLE
Niharika Sabharwal, Aman Arora, Viram Upadhyaya, Monika M Sehgal, Karvika Nayak, Setu Katyal, Manisha Dahiya, Chandrama Pratap, Radhika Sharma
Introduction The disinfection of impressions is crucial to eliminate the viral and other microbial loads to prevent the cross contamination of diseases. The aim of this study was to compare the effect of different virucidal disinfecting methods on the dimensional accuracy and surface detail reproduction (SDR) of impression materials. Methods A total of 160 samples were fabricated with different impression materials using zinc oxide eugenol (Group 1), alginate (Group 2), polyether (Group 3), and addition silicone (Group 4) impression materials, each containing 40 samples (n=40)...
March 2024: Curēus
https://read.qxmd.com/read/38623015/-analysis-of-clinical-characteristic-of-pediatric-with-progressive-familial-intrahepatic-cholestasis-type-3
#14
JOURNAL ARTICLE
L L Cao, J G Yan, D N Feng, Y Dong, Z Q Xu, F C Wang, Y J Gao, S S Zhu, M Zhang
Objective: To analyze the clinical manifestations, pathology, and gene variant characteristics in children with progressive familial intrahepatic cholestasis type 3 (PFIC3). Methods: This retrospective study assessed the clinical manifestations, pathological features, gene variants, and prognosis data of 11 children with PFIC3 hospitalized in the Department of Hepatology, Fifth Medical Center, PLA General Hospital, from January 2015 to December 2022. Panel or whole exome sequencing was performed on the probands, followed by Sanger sequencing for verification within the family...
April 16, 2024: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://read.qxmd.com/read/38623013/-clinical-characteristics-of-children-with-severe-sars-cov-2-infection-in-yunnan
#15
JOURNAL ARTICLE
Y Li, X Z Hu, C Y Liu, X P Tao, R Wang, R Lu, Y Li, Y Pu, C R Mu, J H Xu, H M Fu
Objective: To investigate the clinical characteristics of 130 children with severe SARS-CoV-2 infection in Yunnan province after the relaxation of non-pharmaceutical interventions, and analyze the risk factors for mortality. Methods: This study is a retrospective case summary that analyzed the demographic data, underlying diseases, clinical diagnoses, disease outcomes, and laboratory results of 130 children with severe COVID-19 infections admitted to nine top-tier hospitals in Yunnan Province from December 2022 to March 2023...
April 16, 2024: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://read.qxmd.com/read/38622380/age-specific-nasal-epithelial-responses-to-sars-cov-2-infection
#16
JOURNAL ARTICLE
Maximillian N J Woodall, Ana-Maria Cujba, Kaylee B Worlock, Katie-Marie Case, Tereza Masonou, Masahiro Yoshida, Krzysztof Polanski, Ni Huang, Rik G H Lindeboom, Lira Mamanova, Liam Bolt, Laura Richardson, Batuhan Cakir, Samuel Ellis, Machaela Palor, Thomas Burgoyne, Andreia Pinto, Dale Moulding, Timothy D McHugh, Aarash Saleh, Eliz Kilich, Puja Mehta, Chris O'Callaghan, Jie Zhou, Wendy Barclay, Paolo DeCoppi, Colin R Butler, Mario Cortina-Borja, Heloise Vinette, Sunando Roy, Judith Breuer, Rachel C Chambers, Wendy E Heywood, Kevin Mills, Robert E Hynds, Sarah A Teichmann, Kerstin B Meyer, Marko Z Nikolić, Claire M Smith
Children infected with SARS-CoV-2 rarely progress to respiratory failure. However, the risk of mortality in infected people over 85 years of age remains high. Here we investigate differences in the cellular landscape and function of paediatric (<12 years), adult (30-50 years) and older adult (>70 years) ex vivo cultured nasal epithelial cells in response to infection with SARS-CoV-2. We show that cell tropism of SARS-CoV-2, and expression of ACE2 and TMPRSS2 in nasal epithelial cell subtypes, differ between age groups...
April 15, 2024: Nature Microbiology
https://read.qxmd.com/read/38621575/baseline-characteristics-including-blood-and-urine-metal-levels-in-the-trial-to-assess-chelation-therapy-2-tact2
#17
JOURNAL ARTICLE
Ana Navas-Acien, Regina M Santella, Bonnie R Joubert, Zhen Huang, Yuliya Lokhnygina, Francisco Ujueta, Irina Gurvich, Nancy J LoIacono, Filippo Ravalli, Cynthia D Ward, Jeffery M Jarrett, Alfonsina De Leon Salazar, Robin Boineau, Teresa L Z Jones, Daniel B Mark, Jonathan D Newman, David M Nathan, Kevin J Anstrom, Gervasio A Lamas
BACKGROUND: The reduction in cardiovascular disease (CVD) events with edetate disodium (EDTA) in the Trial to Assess Chelation Therapy (TACT) suggested that chelation of toxic metals might provide novel opportunities to reduce CVD in patients with diabetes. Lead and cadmium are vasculotoxic metals chelated by EDTA. We present baseline characteristics for participants in TACT2, a randomized, double-masked, placebo-controlled trial designed as a replication of the TACT trial limited to patients with diabetes...
April 13, 2024: American Heart Journal
https://read.qxmd.com/read/38619854/influence-of-eat-sleep-and-console-on-infants-pharmacologically-treated-for-opioid-withdrawal-a-post-hoc-subgroup-analysis-of-the-esc-now-randomized-clinical-trial
#18
JOURNAL ARTICLE
Lori A Devlin, Zhuopei Hu, Stephanie L Merhar, Songthip T Ounpraseuth, Alan E Simon, Jeannette Y Lee, Abhik Das, Margaret M Crawford, Rachel G Greenberg, P Brian Smith, Rosemary D Higgins, Michele C Walsh, Ward Rice, David A Paul, Jessie R Maxwell, Camille M Fung, Tanner Wright, Julie Ross, Jennifer M McAllister, Moira Crowley, Sophie K Shaikh, Lori Christ, Jaime Brown, Julie Riccio, Kara Wong Ramsey, Erica F Braswell, Lauren Tucker, Karen McAlmon, Krishna Dummula, Julie Weiner, Jessica R White, Sarah Newman, Jessica N Snowden, Leslie W Young
IMPORTANCE: The function-based eat, sleep, console (ESC) care approach substantially reduces the proportion of infants who receive pharmacologic treatment for neonatal opioid withdrawal syndrome (NOWS). This reduction has led to concerns for increased postnatal opioid exposure in infants who receive pharmacologic treatment. However, the effect of the ESC care approach on hospital outcomes for infants pharmacologically treated for NOWS is currently unknown. OBJECTIVE: To evaluate differences in opioid exposure and total length of hospital stay (LOS) for pharmacologically treated infants managed with the ESC care approach vs usual care with the Finnegan tool...
April 15, 2024: JAMA Pediatrics
https://read.qxmd.com/read/38618992/microenvironment-induced-restoration-of-cohesive-growth-associated-with-focal-activation-of-p-cadherin-expression-in-lobular-breast-carcinoma-metastatic-to-the-colon
#19
JOURNAL ARTICLE
Malte Gronewold, Isabel Grote, Stephan Bartels, Henriette Christgen, Leonie D Kandt, Maria Jose Brito, Gàbor Cserni, Maximilian E Daemmrich, Franz Fogt, Burkhard M Helmke, Natalie Ter Hoeve, Corinna Lang-Schwarz, Michael Vieth, Axel Wellmann, Elna Kuehnle, Ulf Kulik, Gesa Riedel, Tanja Reineke-Plaass, Ulrich Lehmann, Thijs Koorman, Patrick Wb Derksen, Hans Kreipe, Matthias Christgen
Invasive lobular carcinoma (ILC) is a special breast cancer type characterized by noncohesive growth and E-cadherin loss. Focal activation of P-cadherin expression in tumor cells that are deficient for E-cadherin occurs in a subset of ILCs. Switching from an E-cadherin deficient to P-cadherin proficient status (EPS) partially restores cell-cell adhesion leading to the formation of cohesive tubular elements. It is unknown what conditions control EPS. Here, we report on EPS in ILC metastases in the large bowel...
March 2024: Journal of Pathology. Clinical Research
https://read.qxmd.com/read/38618281/synthesis-and-anti-diabetic-activity-of-an-8-purine-derivative-as-a-novel-dpp-4-inhibitor-in-obese-diabetic-z%C3%A3-cker-rats
#20
JOURNAL ARTICLE
Meriem Chayah, Angélica Luque-González, Verónica Gómez-Pérez, Diego Salagre, Amjad Al-Shdaifat, Joaquín María Campos, Ana Conejo-García, Ahmad Agil
Type 2 diabetes mellitus (T2DM) is one of the world's principal metabolic diseases characterized by chronic hyperglycemia. The gut incretin hormones, glucagon-like peptide 1 (GLP-1) and gastric inhibitory polypeptide (GIP), which has been proposed as a new treatment for T2DM, are extensively metabolized by Dipeptidyl peptidase 4 (DPP-4). Inhibitors of DPP-4 block the degradation of GLP-1 and GIP and may increase their natural circulating levels, favoring glycemic control in T2DM. A novel and potent selective inhibitor of DPP-4 with an 8-purine derived structure ( 1 ) has been developed and tested in vitro and in vivo in Zücker obese diabetic fatty (ZDF) rats, an experimental model of the metabolic syndrome and T2DM to assess the inhibitory activity using vildagliptin as reference standard...
2024: Drug Design, Development and Therapy
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