keyword
https://read.qxmd.com/read/38652584/jfh1-based-core-ns2-genotype-variants-of-hcv-with-genetic-stability-in-vivo-and-in-vitro-important-tools-in-evaluation-of-virus-neutralization
#1
JOURNAL ARTICLE
Laura Collignon, Kenn Holmbeck, Ashley Just, Lieven Verhoye, Rodrigo Velázquez-Moctezuma, Ulrik Fahnøe, Thomas H R Carlsen, Mansun Law, Jannick Prentoe, Troels K H Scheel, Judith M Gottwein, Philip Meuleman, Jens Bukh
BACKGROUND AIMS: HCV infection continues to be a major global health burden, despite effective antiviral treatments. The urgent need for a protective vaccine is hindered by the scarcity of suitable HCV permissive animal models tractable in vaccination and challenge studies. Currently, only antibody neutralization studies in infectious cell culture systems or studies of protection by passive immunization of human-liver chimeric mice offer the possibility to evaluate the effect of vaccine-induced antibodies...
April 23, 2024: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://read.qxmd.com/read/38631889/a-case-of-exophiala-dermatitidis-induced-phaeohyphomycosis-in-a-cat-with-multiple-intra-abdominal-masses
#2
JOURNAL ARTICLE
Mitsuhiro Irie, Chiaki Kita, Tetsushi Yamagami, Takuma Miyoshi, Naoyuki Fujiki, Yuko Kuriyagawa, Yasuko Hanafusa, James Kenn Chambers, Kazuyuki Uchida
Pus discharge containing black granular materials (1-2 mm in diameter) was found in the abdominal skin of a 13-year-old sterilized female cat. Abdominal ultrasonography revealed a large intra-abdominal mass with abundant blood flow beneath the skin lesion. Laparotomy revealed a large mass that adhered to the spleen and left kidney. Similar small lesions were found in the abdominal wall and mesentery. The masses were surgically removed along with the spleen and kidney. Histopathologically, the mass lesions consisted of granulomas with lesional pigmented fungi, and the cat was diagnosed with phaeohyphomycosis...
April 16, 2024: Journal of Veterinary Medical Science
https://read.qxmd.com/read/38617670/uplc-tqd-ms-ms-method-validation-for-quality-control-of-alkaloid-content-in-lepidium-meyenii-maca-containing-food-and-dietary-supplements
#3
JOURNAL ARTICLE
Ngoc-Thao-Hien Le, Kenn Foubert, Mart Theunis, Tania Naessens, Murat Bozdag, Pieter Van Der Veken, Luc Pieters, Emmy Tuenter
Lepidium meyenii Walp. (Brassicaceae), also known as Maca or Peruvian ginseng, is a common ingredient in food supplements with many claimed health benefits, such as improved endurance, increased energy level, and enhanced sexual properties. Due to potential toxicity of its chemicals, including alkaloids, some regulatory authorities, e.g., in Belgium, Germany, the United States, expressed concerns about the safe consumption of Maca root. However, due to the lack of commercial standards, no established analytical method currently exists for this purpose...
April 9, 2024: ACS Omega
https://read.qxmd.com/read/38613303/terminable-transitions-in-a-topological-fermionic-ladder
#4
JOURNAL ARTICLE
Yuchi He, Dante M Kennes, Christoph Karrasch, Roman Rausch
Interacting fermionic ladders are versatile platforms to study quantum phases of matter, such as different types of Mott insulators. In particular, there are D-Mott and S-Mott states that hold preformed fermion pairs and become paired-fermion liquids upon doping (d wave and s wave, respectively). We show that the D-Mott and S-Mott phases are in fact two facets of the same topological phase and that the transition between them is terminable. These results provide a quantum analog of the well-known terminable liquid-to-gas transition...
March 29, 2024: Physical Review Letters
https://read.qxmd.com/read/38593078/linear-resistivity-at-van-hove-singularities-in-twisted-bilayer-wse-2
#5
JOURNAL ARTICLE
LingNan Wei, Qiaoling Xu, Yangchen He, Qingxin Li, Yan Huang, Wang Zhu, Kenji Watanabe, Takashi Taniguchi, Martin Claassen, Daniel A Rhodes, Dante M Kennes, Lede Xian, Angel Rubio, Lei Wang
Different mechanisms driving a linear temperature dependence of the resistivity ρ ∼ T at van Hove singularities (VHSs) or metal-insulator transitions when doping a Mott insulator are being debated intensively with competing theoretical proposals. We experimentally investigate this using the exceptional tunability of twisted bilayer (TB) WSe2 by tracking the parameter regions where linear-in- T resistivity is found in dependency of displacement fields, filling, and magnetic fields. We find that even when the VHSs are tuned rather far away from the half-filling point and the Mott insulating transition is absent, the T -linear resistivity persists at the VHSs...
April 16, 2024: Proceedings of the National Academy of Sciences of the United States of America
https://read.qxmd.com/read/38572889/hepatoprotective-effects-of-leaf-extract-of-annona-senegalensis-against-aflatoxin-b1-toxicity-in-rats
#6
JOURNAL ARTICLE
Rhulani Makhuvele, Kenn Foubert, Nina Hermans, Luc Pieters, Luc Verschaeve, Esameldin Elgorashi
Global aflatoxin contamination of agricultural commodities is of the most concern in food safety and quality. This study investigated the hepatoprotective effect of 80% methanolic leaf extract of Annona senegalensis against aflatoxin B1 (AFB1)-induced toxicity in rats. A. senegalensis has shown to inhibit genotoxicity of aflatoxin B1 in vitro. The rats were divided into six groups including untreated control, aflatoxin B1 only (negative control); curcumin (positive control; 10 mg/kg); and three groups receiving different doses (100 mg/kg, 200 mg/kg, and 300 mg/kg) of A...
March 11, 2024: Onderstepoort Journal of Veterinary Research
https://read.qxmd.com/read/38531337/informal-care-time-and-costs-of-dementia-care-in-benin-west-africa
#7
JOURNAL ARTICLE
Angeladine Kenne Malaha, Clémence Thébaut, Dismand Stephan Houinato, Grégoire Magloire Gansou, Dieu Donné Gnonlonfoun, Thierry Adoukonou, Pierre-Marie Preux, Maëlenn Guerchet
BACKGROUND: Dementia is a growing global health challenge, with significant socioeconomic implications. This study examined the informal care duration and related costs along with the total cost of care for older individuals with dementia in Benin, West Africa, providing insights into a region with limited dementia research. METHODS: We conducted a cost-of-illness study in Benin. Both hospital and community recruitments were used to enroll adults aged ≥ 60 years and their primary caregivers...
March 26, 2024: Neuroepidemiology
https://read.qxmd.com/read/38485935/theory-of-resonantly-enhanced-photo-induced-superconductivity
#8
JOURNAL ARTICLE
Christian J Eckhardt, Sambuddha Chattopadhyay, Dante M Kennes, Eugene A Demler, Michael A Sentef, Marios H Michael
Optical driving of materials has emerged as a versatile tool to control their properties, with photo-induced superconductivity being among the most fascinating examples. In this work, we show that light or lattice vibrations coupled to an electronic interband transition naturally give rise to electron-electron attraction that may be enhanced when the underlying boson is driven into a non-thermal state. We find this phenomenon to be resonantly amplified when tuning the boson's frequency close to the energy difference between the two electronic bands...
March 14, 2024: Nature Communications
https://read.qxmd.com/read/38484238/evaluation-of-chatgpt-for-pelvic-floor-surgery-counseling
#9
JOURNAL ARTICLE
Colin M Johnson, Catherine S Bradley, Kimberly A Kenne, Sarah Rabice, Elizabeth Takacs, Annah Vollstedt, Joseph T Kowalski
IMPORTANCE: Large language models are artificial intelligence applications that can comprehend and produce human-like text and language. ChatGPT is one such model. Recent advances have increased interest in the utility of large language models in medicine. Urogynecology counseling is complex and time-consuming. Therefore, we evaluated ChatGPT as a potential adjunct for patient counseling. OBJECTIVE: Our primary objective was to compare the accuracy and completeness of ChatGPT responses to information in standard patient counseling leaflets regarding common urogynecological procedures...
March 1, 2024: Urogynecology (Phila)
https://read.qxmd.com/read/38447331/low-dose-of-propyl-pyrazole-triol-an-agonist-of-estrogen-receptor-alpha-administration-stimulates-the-coolidge-effect-in-fadrozole-treated-male-rats
#10
JOURNAL ARTICLE
P Hanna C Corre, Joanna M Mainwaring, K Kenn Z Peralta, P Mark Lokman, Robert Porteous, Erik Wibowo
Estrogen receptor (ER) α is involved in male sexual function. Here, we aim to investigate how ERα activation influences sexual satiety and the Coolidge effect (i.e., when a rat, that has reached sexual satiety, experiences an increased arousal after exposure to a novel sexual partner) in estrogen-deprived male rats. Male rats (8 per group) were treated daily for 29 days with either saline (Control group) or fadrozole dissolved in saline (1 mg/kg/day) 1 h before mating. On Days 13 and 29, rats treated with fadrozole received either no additional treatment (fadrozole group) or a single injection of propyl-pyrazole-triol (ERα-agonist group, dissolved in sesame oil, 1 mg/kg)...
March 5, 2024: Hormones and Behavior
https://read.qxmd.com/read/38429240/mixed-transducer-micro-origami-for-efficient-motion-and-decoupled-sensing
#11
JOURNAL ARTICLE
Yi Zhu, Anan Ghrayeb, Joonyoung Yu, Yiwei Yang, Evgueni T Filipov, Kenn R Oldham
This work introduces a mixed-transducer micro-origami to achieve efficient vibration, controllable motion, and decoupled sensing. Existing micro-origami systems tend to have only one type of transducer (actuator/sensor), which limits their versatility and functionality because any given transducer system has a narrow range of advantageous working conditions. However, it is possible to harness the benefit of different micro-transducer systems to enhance the performance of functional micro-origami. More specifically, this work introduces a micro-origami system that can integrate the advantages of three transducer systems: strained morph (SM) systems, polymer based electro-thermal (ET) systems, and thin-film lead zirconate titanate (PZT) systems...
March 1, 2024: Small
https://read.qxmd.com/read/38387610/increased-maternal-bmi-at-time-of-delivery-associated-with-poor-maternal-and-neonatal-outcomes
#12
JOURNAL ARTICLE
Haley Steffen, Samantha Swartz, Kimberly Kenne, Linder Wendt, J Brooks Jackson, Mary Rysavy
OBJECTIVE: Current literature on the risks and outcomes of obesity in pregnancy almost exclusively utilizes pre-pregnancy body mass index (BMI). Given the rising obesity rate across the United States along with a paucity of available information on the relationship between delivery BMI and maternal and neonatal outcomes, our study aimed to determine the association of maternal BMI at delivery with antepartum, intrapartum, and neonatal complications at an academic referral hospital. STUDY DESIGN: This study is a secondary analysis of data collected for a prospective cohort study of COVID-19 in pregnancy...
February 22, 2024: American Journal of Perinatology
https://read.qxmd.com/read/38340568/optimization-of-methane-production-from-solid-tuna-waste-thermal-pretreatment-and-co-digestion
#13
JOURNAL ARTICLE
Noela Bermúdez-Penabad, Andrea Rodríguez-Montes, Madalena Alves, Christian Kennes, María C Veiga
Fish canning industries generate large amounts of solid waste during their processing operations, creating a significant environmental challenge. Nonetheless, this waste can be efficiently and sustainably treated through anaerobic digestion. In this study, the potential of biogas production from anaerobic digestion of thermally pretreated and co-digested solid tuna waste was investigated. The thermal pretreatment of raw fish viscera resulted in a 50 % increase in methane yield, with a production of 0.27 g COD-CH4 /g COD added...
February 9, 2024: Waste Management
https://read.qxmd.com/read/38337809/digital-examination-vs-4d-transperineal-ultrasound-do-they-compare-in-labour-management-a-pilot-study
#14
JOURNAL ARTICLE
Friederike Exner, Rebecca Caspers, Lieven Nils Kennes, Julia Wittenborn, Tomás Kupec, Elmar Stickeler, Laila Najjari
The aim was to compare transperineal ultrasound (TPU) with parameters of the Bishop Score during the first stage of labour and evaluate how TPU can contribute towards improving labour management. Digital examination (DE) and TPU were performed on 42 women presenting at the labour ward with regular contractions. TPU measurements included the head-symphysis distance, angle of progression, diameter of the cervical wall, cervical dilation (CD) and cervical length (CL). To examine if TPU can monitor labour progress, correlations of TPU parameters were calculated...
January 30, 2024: Diagnostics
https://read.qxmd.com/read/38318969/radiation-exposure-during-sacral-neuromodulation-lead-placement-multi-institutional-descriptive-study
#15
JOURNAL ARTICLE
Ramzy T Burns, Joanna Orzel, Paul Wadensweiler, Kimberly Kenne, Hannah Nakastuka, Natalija Kovacevic, Yashant Aswani, E Ann Gormley, Priya Padamanabhan, Charles R Powell, Annah Vollstedt, Elizabeth Takacs
OBJECTIVES: Fluoroscopy has significantly improved lead placement and decreased surgical time for implantable sacral neuromodulation (SNM). There is a paucity of data regarding radiation and safety of fluoroscopy during SNM procedures. Our study aims to characterize fluoroscopy time and dose used during SNM surgery across multiple institutions and assess for predictors of increased fluoroscopy time and radiation dose. METHODS: Electronic medical records were queried for SNM procedures (Stage 1 and full implant) from 2016 to 2021 at four academic institutions...
February 6, 2024: Neurourology and Urodynamics
https://read.qxmd.com/read/38267909/interventions-for-the-detection-monitoring-and-management-of-chronic-non-communicable-diseases-in-the-prison-population-an-international-systematic-review
#16
REVIEW
Thomas Hewson, Matilda Minchin, Kenn Lee, Shiyao Liu, Evelyn Wong, Chantal Edge, Jake Hard, Katrina Forsyth, Jane Senior, Jennifer Shaw
BACKGROUND: High rates of health inequalities and chronic non-communicable diseases exist amongst the prison population. This places people in and/or released from prison at heightened risk of multimorbidity, premature mortality, and reduced quality of life. Ensuring appropriate healthcare for people in prison to improve their health outcomes is an important aspect of social justice. This review examines the global literature on healthcare interventions to detect, monitor and manage chronic non-communicable diseases amongst the prison population and people recently released from prison...
January 24, 2024: BMC Public Health
https://read.qxmd.com/read/38236063/diverse-genetic-contexts-of-hica-toxin-domains-propose-a-role-in-anti-phage-defense
#17
JOURNAL ARTICLE
Kenn Gerdes
Prokaryotic organisms harbor a multitude of toxin-antitoxin (TA) systems, which have long puzzled scientists as "genes in search for a function." Recent scientific advancements have shed light on the primary role of TAs as anti-phage defense mechanisms. To gain an overview of TAs it is important to analyze their genetic contexts that can give hints on function and guide future experimental inquiries. This article describes a thorough bioinformatics examination of genes encoding the HicA toxin domain, revealing its presence in no fewer than 14 unique genetic arrangements...
January 18, 2024: MBio
https://read.qxmd.com/read/38211666/implementation-of-a-hotline-s-t-i-c-k-to-expedite-management-of-occupational-bloodborne-pathogen-exposures-at-an-academic-medical-center-a-process-improvement-initiative
#18
JOURNAL ARTICLE
Lynnette Kenne, Ashley Hinman, Stephanie Holley, Sarah Healy, Tamara Sebolt, Michael Edmond, David L Nelson, Kenneth Valley, Rashmi Mueller, Barbara Schuessler, Beth Hanna, Takaaki Kobayashi, Patrick Hartley
Previously, blood and body fluid exposures were managed by a visit to the University Employee Health Clinic during normal business hours and the Emergency Department after hours. We implemented the "S-T-I-C-K" program where healthcare personnel were evaluated immediately after exposure by a nurse-driven 24/7 hotline. Increasing accessibility to care and a simplified process for exposure management led to a significant decrease in Emergency Department utilization and time between the exposure and receipt of post-exposure prophylaxis...
January 9, 2024: American Journal of Infection Control
https://read.qxmd.com/read/38211510/unlocking-the-potential-of-one-carbon-gases-co-2-co-for-concomitant-bioproduction-of-%C3%AE-carotene-and-lipids
#19
JOURNAL ARTICLE
Raúl Robles-Iglesias, Carla Fernández-Blanco, Jean-Marc Nicaud, María C Veiga, Christian Kennes
This study investigates the use of a Yarrowia lipolytica strain for the bioconversion of syngas-derived acetic acid into β-carotene and lipids. A two-stage process was employed, starting with the acetogenic fermentation of syngas by Clostridium aceticum, metabolising CO, CO2 , H2 , to produce acetic acid, which is then utilized by Y. lipolytica for simultaneous lipid and β-carotene synthesis. The research demonstrates that acetic acid concentration plays a pivotal role in modulating lipid profiles and enhancing β-carotene production, with increased acetic acid consumption leading to higher yields of these compounds...
January 10, 2024: Ecotoxicology and Environmental Safety
https://read.qxmd.com/read/38174244/unusual-reactivity-of-2-2-diphenyl-1-picrylhydrazyl-dpph-with-fe-3-controlled-by-competing-reactions
#20
JOURNAL ARTICLE
Arlette Danelle Djitieu Deutchoua, Yannick Ngueumaleu, Rossel Wendji Liendji, Sarrah Sonita Poungoue Hanga, Bruno Boniface Nguelo, Gustave Kenne Dedzo, Emmanuel Ngameni
2,2-Diphenyl-1-picrylhydrazyl (DPPH) is a stable organic free radical widely used in various fields as a model free radical. There is scarce information about the stability of this compound in the chemical environments in which it is used. Side reactions between DPPH and other species can alter the precision of experiments that use DPPH, such as the evaluation of antioxidant properties amongst others. Following recent investigations highlighting reactions between DPPH and metal cations or Lewis acids, a quantitative reaction between DPPH and Fe3+ in acetonitrile was studied in the present work...
January 2, 2024: RSC Advances
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