keyword
https://read.qxmd.com/read/38592687/controlled-mechanical-ventilation-in-critically-ill-patients-and-the-potential-role-of-venous-bagging-in-acute-kidney-injury
#21
JOURNAL ARTICLE
Mark E Seubert, Marco Goeijenbier
A very low incidence of acute kidney injury (AKI) has been observed in COVID-19 patients purposefully treated with early pressure support ventilation (PSV) compared to those receiving mainly controlled ventilation. The prevention of subdiaphragmatic venous congestion through limited fluid intake and the lowering of intrathoracic pressure is a possible and attractive explanation for this observed phenomenon. Both venous congestion, or "venous bagging", and a positive fluid balance correlate with the occurrence of AKI...
March 5, 2024: Journal of Clinical Medicine
https://read.qxmd.com/read/38582385/docosahexaenoic-acid-controls-pulmonary-macrophage-lipid-raft-size-and-inflammation
#22
JOURNAL ARTICLE
Edward Ross Pennington, Rafia Virk, Meagan D Bridges, Brooke E Bathon, Nari Beatty, Rosemary S Gray, Patrick Kelley, Stephen R Wassall, Jonathan Manke, Michael Armstrong, Nichole Reisdorph, Rachel Vanduinen, Jenifer I Fenton, Kymberly M Gowdy, Saame Raza Shaikh
BACKGROUND: Docosahexaenoic acid (DHA) controls the biophysical organization of plasma membrane sphingolipid/cholesterol-enriched lipid rafts to exert anti-inflammatory effects, particularly in lymphocytes. However, the impact of DHA on the spatial arrangement of alveolar macrophage lipid rafts and inflammation is unknown. OBJECTIVE: The primary objective was to determine how DHA controls lipid raft organization and function of alveolar macrophages. As proof-of-concept, we also investigated DHA's anti-inflammatory effects on select pulmonary inflammatory markers with a murine influenza model...
April 4, 2024: Journal of Nutrition
https://read.qxmd.com/read/38581045/a-macrophage-cell-model-of-hiv-latency-reveals-the-unusual-importance-of-the-bromodomain-axis
#23
JOURNAL ARTICLE
Javan K Kisaka, Daniel Rauch, Malachi Griffith, George B Kyei
BACKGROUND: Although macrophages are now recognized as an essential part of the HIV latent reservoir, whether and how viral latency is established and reactivated in these cell types is poorly understood. To understand the fundamental mechanisms of viral latency in macrophages, there is an urgent need to develop latency models amenable to genetic manipulations and screening for appropriate latency-reversing agents (LRAs). Given that differentiated THP-1 cells resemble monocyte-derived macrophages in HIV replication mechanisms, we set out to establish a macrophage cell model for HIV latency using THP-1 cells...
April 5, 2024: Virology Journal
https://read.qxmd.com/read/38577793/when-one-tool-is-not-enough-an-integrative-psychotherapeutic-approach-to-treating-complex-ptsd
#24
JOURNAL ARTICLE
Danny Horesh, Yael Lahav
Complex posttraumatic stress disorder (CPTSD) is a term representing the psychopathological implications of exposure to chronic, inter-personal trauma. These include the main symptoms of PTSD, as well as changes in identity, emotion regulation, and inter-personal relationships. Self-harm and dissociation (i.e., disintegration of mental processes) are also quite common in CPTSD. Considering this complex and often severe clinical picture, mental health professionals often find it difficult to effectively treat CPTSD...
April 5, 2024: Journal of Clinical Psychology
https://read.qxmd.com/read/38573295/occlusal-contact-changes-in-patients-treated-with-clear-aligners-a-retrospective-evaluation-using-digital-dental-models
#25
JOURNAL ARTICLE
Erica Shapiro Frenkel, Mariam Mustafa, Roozbeh Khosravi, Heather Woloshyn, Lloyd Mancl, Anne-Marie Bollen
INTRODUCTION: This study used digital intraoral scans to evaluate how clear aligner treatment affects occlusal contacts and to determine the influence of sex and age on contact changes. Results were compared with contact changes that occur during fixed appliance therapy. METHODS: Patients included in this study were treated in a University setting and private practice. Inclusion criteria were a Class I malocclusion treated nonextraction with clear aligners and the presence of pretreatment and posttreatment digital intraoral scans...
April 2, 2024: American Journal of Orthodontics and Dentofacial Orthopedics
https://read.qxmd.com/read/38565369/functional-characterization-of-malabar-grouper-epinephelus-malabaricus-interferon-regulatory-factor-9-involved-in-antiviral-response
#26
JOURNAL ARTICLE
Thirunavukkarasu Periyasamy, Lu Ming-Wei, Sharmila Velusamy, Anis Ahamed, Javed Masood Khan, Manikantan Pappuswamy, Velavan Viswakethu
IRF9 is a crucial component in the JAK-STAT pathway. IRF9 interacts with STAT1 and STAT2 to form IFN-I-stimulated gene factor 3 (ISGF3) in response to type I IFN stimulation, which promotes ISG transcription. However, the mechanism by which IFN signaling regulates Malabar grouper (Epinephelus malabaricus) IRF9 is still elusive. Here, we explored the nd tissue-specific mRNA distribution of the MgIRF9 gene, as well as its antiviral function in E. malabaricus. MgIRF9 encodes a protein of 438 amino acids with an open reading frame of 1317 base pairs...
March 31, 2024: International Journal of Biological Macromolecules
https://read.qxmd.com/read/38559365/a-case-of-secondary-multiple-evanescent-white-dot-syndrome-in-a-patient-with-preexisting-wet-age-related-macular-degeneration
#27
Priya R Chandrasekaran, Hiok Hong Chan, Tien-En Tan, Farah N I Ibrahim, Jinzhi Zhao, Kelvin Y C Teo
PURPOSE: To report a case of secondary Multiple Evanescent White Dot Syndrome in a patient with preexisting wet age-related macular degeneration. OBSERVATION: A 75-year-old male on treat and extend regimen for wet age-related macular degeneration (AMD) presented with a sudden loss of vision and saw central dark shadow in the right eye (RE) for a duration of 1 week. There was no significant history preceding the visual loss. Examination showed a visual acuity (VA) of counting fingers at 1 meter in the right eye and 20/25 in the left eye...
June 2024: American Journal of Ophthalmology Case Reports
https://read.qxmd.com/read/38555785/revealing-the-comprehensive-impact-of-organic-compounds-on-the-partial-nitrification-anammox-system-during-incineration-leachate-treatment-metabolic-hierarchy-and-adaptation
#28
JOURNAL ARTICLE
Mingda Zhou, Junjie Wang, Han Wang, Xiaochuan Ran, Hao Xue, Chao Liu, Yayi Wang
Organics, as widespread pollutants in high-strength ammonia wastewater, typically exert adverse effects on the performance of partial nitrification-anammox (PNA) systems. However, the in-depth knowledge on how microbial consortia respond to these disturbances remains limited. In this study, we unveiled the evolution of complex organic matter flow and its impact on the metabolic hierarchy and adaptation of microbial consortia, employing multi-omics approaches, i.e., 16S amplicon sequencing, metagenomics, and metabolomics...
March 26, 2024: Water Research
https://read.qxmd.com/read/38555018/-i-see-it-very-much-as-an-end-of-life-food-barriers-to-oral-nutritional-supplement-adherence-views-from-healthy-older-adults
#29
JOURNAL ARTICLE
Marion M Hetherington, Jason M Thomas, Chris J McLeod
Malnutrition affects approximately one quarter of UK adults aged 65 years and over. As the global demographic shift continues, malnutrition is expected to increase. Oral nutritional supplements (ONS) are used both to prevent and to treat malnutrition. However, their effectiveness is compromised by poor adherence, and it is not well understood what contributes to this. Therefore, the current research was designed to explore ONS adherence from the parallel perspectives of ONS as a prescribed "medication" and as a food supplement/substitute...
March 28, 2024: Appetite
https://read.qxmd.com/read/38554683/newborn-screening-in-metachromatic-leukodystrophy-european-consensus-based-recommendations-on-clinical-management
#30
JOURNAL ARTICLE
Lucia Laugwitz, Daphne H Schoenmakers, Laura A Adang, Stefanie Beck-Woedl, Caroline Bergner, Geneviève Bernard, Annette Bley, Audrey Boyer, Valeria Calbi, Hanka Dekker, Florian Eichler, Erik Eklund, Francesca Fumagalli, Francesco Gavazzi, Sabine W Grønborg, Peter van Hasselt, Mirjam Langeveld, Caroline Lindemans, Fanny Mochel, Andreas Oberg, Dipak Ram, Elise Saunier-Vivar, Ludger Schöls, Michael Scholz, Caroline Sevin, Ayelet Zerem, Nicole I Wolf, Samuel Groeschel
INTRODUCTION: Metachromatic leukodystrophy (MLD) is a rare autosomal recessive lysosomal storage disorder resulting from arylsulfatase A enzyme deficiency, leading to toxic sulfatide accumulation. As a result affected individuals exhibit progressive neurodegeneration. Treatments such as hematopoietic stem cell transplantation (HSCT) and gene therapy are effective when administered pre-symptomatically. Newborn screening (NBS) for MLD has recently been shown to be technically feasible and is indicated because of available treatment options...
March 9, 2024: European Journal of Paediatric Neurology: EJPN
https://read.qxmd.com/read/38552808/identification-of-immunity-related-genes-distinctly-regulated-by-manduca-sexta-sp%C3%B3-tzle-1-2-and-escherichia-coli-peptidoglycan
#31
JOURNAL ARTICLE
Zelong Miao, Chao Xiong, Yang Wang, Tisheng Shan, Haobo Jiang
The immune system of Manduca sexta has been well studied to understand molecular mechanisms of insect antimicrobial responses. While evidence supports the existence of major immune signaling pathways in this species, it is unclear how induced production of defense proteins is specifically regulated by the Toll and Imd pathways. Our previous studies suggested that diaminopimelic acid-type peptidoglycans (DAP-PG) from Gram-negative and some Gram-positive bacteria, more than Lys-type peptidoglycans (Lys-PG) from other Gram-positive bacteria, triggers both pathways through membrane-bound receptors orthologous to Drosophila Toll and PGRP-LC...
March 27, 2024: Insect Biochemistry and Molecular Biology
https://read.qxmd.com/read/38551152/canagliflozin-or-acarbose-versus-placebo-to-ameliorate-post-bariatric-hypoglycaemia-the-hypobar-i-randomized-clinical-trial-protocol
#32
JOURNAL ARTICLE
Carolina B Lobato, Clara Tornoe Winding, Kirstine N Bojsen-Møller, Christoffer Martinussen, Simon Veedfald, Jens J Holst, Sten Madsbad, Nils Bruun Jørgensen, Carsten Dirksen
INTRODUCTION: Post-bariatric hypoglycaemia (PBH) is a rare yet disabling clinical condition, mostly reported after Roux-en-Y gastric bypass (RYGB) surgery. RYGB is one of the most widely used and effective bariatric procedures. The pathophysiology of PBH remains unclear, and treatment options are limited in effectiveness and/or carry significant side effects. Acarbose slows carbohydrates digestion and absorption and is generally considered first-line pharmacological treatment for PBH but its gastrointestinal side effects limit patient compliance...
March 29, 2024: Diabetic Medicine: a Journal of the British Diabetic Association
https://read.qxmd.com/read/38548383/nanoplastics-increase-in-vitro-oestrogenic-activity-of-neurotherapeutic-drugs
#33
JOURNAL ARTICLE
Lucija Božičević, Valerije Vrček, Nikolina Peranić, Nikolina Kalčec, Ivana Vinković Vrček
Environmental pollution with plastic nanoparticles (PNPs) has rendered hazard assessment of unintentional human exposure to neurotherapeutic drugs through contaminated water and food ever more complicated. Due to their small size, PNPs can easily enter different cell types and cross different biological barriers, while their high surface-to-volume ratio enables higher adsorption of chemicals. This is how PNPs take the role of a Trojan horse as they enhance bioaccumulation of many different pollutants. One of the health concerns related to water pollution with neurotherapeutic drugs is endocrine disruption, already evidenced for the anticonvulsant drug carbamazepine (Cbz) and antidepressant fluoxetine (Flx)...
March 1, 2024: Arhiv za Higijenu Rada i Toksikologiju
https://read.qxmd.com/read/38548381/are-changes-in-olanzapine-induced-liver-enzyme-levels-associated-with-gstt1-gstm1-gstp1-and-ogg1-gene-polymorphisms
#34
JOURNAL ARTICLE
Aylin Elkama, Nazlıcan İlik, Mehmet Ak, Bensu Karahalil
Olanzapine treatment sometimes produces transient liver biochemistry abnormalities, and such drug-induced liver injuries are mainly monitored by measuring blood levels of alanine aminotransferase (ALT) and aspartate aminotransferase (AST), whereas alpha-glutathione-S-transferase (α-GST) is not routinely measured in clinics, even though it can serve as an earlier and more specific biomarker of liver damage. Susceptibility to drug-induced liver injury can much depend on the gene polymorphisms regulating the activity of DNA detoxification and repair enzymes...
March 1, 2024: Arhiv za Higijenu Rada i Toksikologiju
https://read.qxmd.com/read/38548189/differential-tissue-immune-stimulation-through-immersion-in-bacterial-and-viral-agonists-in-the-antarctic-notothenia-rossii
#35
JOURNAL ARTICLE
Cármen S V Sousa, Maoxiao Peng, Pedro M Guerreiro, João C R Cardoso, Liangbiao Chen, Adelino V M Canário, Deborah M Power
The genome evolution of Antarctic notothenioids has been modulated by their extreme environment over millennia and more recently by human-caused constraints such as overfishing and climate change. Here we investigated the characteristics of the immune system in Notothenia rossii and how it responds to 8 h immersion in viral (Poly I:C, polyinosinic: polycytidylic acid) and bacterial (LPS, lipopolysaccharide) proxies. Blood plasma antiprotease activity and haematocrit were reduced in Poly I:C-treated fish only, while plasma protein, lysozyme activity and cortisol were unchanged with both treatments...
March 26, 2024: Fish & Shellfish Immunology
https://read.qxmd.com/read/38546765/exploring-heparan-sulfate-proteoglycans-as-mediators-of-human-mesenchymal-stem-cell-neurogenesis
#36
REVIEW
Sofia I Petersen, Rachel K Okolicsanyi, Larisa M Haupt
Alzheimer's disease (AD) and traumatic brain injury (TBI) are major public health issues worldwide, with over 38 million people living with AD and approximately 48 million people (27-69 million) experiencing TBI annually. Neurodegenerative conditions are characterised by the accumulation of neurotoxic amyloid beta (Aβ) and microtubule-associated protein Tau (Tau) with current treatments focused on managing symptoms rather than addressing the underlying cause. Heparan sulfate proteoglycans (HSPGs) are a diverse family of macromolecules that interact with various proteins and ligands and promote neurogenesis, a process where new neural cells are formed from stem cells...
March 28, 2024: Cellular and Molecular Neurobiology
https://read.qxmd.com/read/38546199/how-do-we-expand-the-lung-donor-pool
#37
JOURNAL ARTICLE
Bronwyn J Levvey, Gregory I Snell
PURPOSE OF REVIEW: Lung transplantation activity continues to be limited by the availability of timely quality donor lungs. It is apparent though that progress has been made. The steady evolution of clinical practice, combined with painstaking scientific discovery and innovation are described. RECENT FINDINGS: There have been successful studies reporting innovations in the wider use and broader consideration of donation after circulatory death donor lungs, including an increasing number of transplants from each of the controlled, uncontrolled and medically assisted dying donor descriptive categories...
March 29, 2024: Current Opinion in Pulmonary Medicine
https://read.qxmd.com/read/38544589/unveiling-the-therapeutic-potential-of-vitamin-e-in-preventing-inflammation-and-stromal-congestion-in-alcoholic-liver-injury
#38
JOURNAL ARTICLE
Noman Ullah Wazir, Tania Khattak, Usama Khan, Saman Hussain, Syed Mohammad Tahir Shah, Muhammad Haris, Sobia Haris, Farah Deeba
OBJECTIVES: The objective of the research was to investigate and assess how effective Vitamin E is in preventing or reducing liver inflammation and stromal congestion associated with alcoholic liver injury. STUDY DESIGN: This is a laboratory-based experimental study. METHODOLOGY: A total of 18 domestic rabbits were divided into groups A, B, and C. Group A was the control group and treated with normal saline as a placebo. Groups B and C were given 30% ethanol in a daily dose of 30 ml/kg/day...
February 2024: Curēus
https://read.qxmd.com/read/38543808/the-medicinal-phage-regulatory-roadmap-for-phage-therapy-under-eu-pharmaceutical-legislation
#39
JOURNAL ARTICLE
Timo Faltus
Bacteriophage therapy is a promising approach to treating bacterial infections. Research and development of bacteriophage therapy is intensifying due to the increase in antibiotic resistance and the faltering development of new antibiotics. Bacteriophage therapy uses bacteriophages (phages), i.e., prokaryotic viruses, to specifically target and kill pathogenic bacteria. The legal handling of this type of therapy raises several questions. These include whether phage therapeutics belong to a specially regulated class of medicinal products, and which legal framework should be followed with regard to the various technical ways in which phage therapeutics can be manufactured and administered...
March 12, 2024: Viruses
https://read.qxmd.com/read/38542139/regulation-of-stat1-and-stat4-expression-by-growth-factor-and-interferon-supplementation-in-sj%C3%A3-gren-s-syndrome-cell-culture-models
#40
JOURNAL ARTICLE
Jean-Luc C Mougeot, Thomas E Thornburg, Braxton D Noll, Michael T Brennan, Farah Bahrani Mougeot
Our goal was to investigate the effects of epidermal growth factor (EGF) and interferons (IFNs) on signal transducer and activator of transcription STAT1 and STAT4 mRNA and active phosphorylated protein expression in Sjögren's syndrome cell culture models. iSGECs (immortalized salivary gland epithelial cells) and A253 cells were treated with EGF, IFN-alpha, -beta, -gamma, or mitogen-activated protein kinase p38 alpha (p38-MAPK) inhibitor for 0-24-48-72 h. STAT1 and STAT4 mRNA expression was quantified by qRT-PCR...
March 9, 2024: International Journal of Molecular Sciences
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