MXenes are a class of two-dimensional nanomaterials with the general formula MXT, where M denotes a transition metal, X denotes either carbon or nitrogen and T refers to surface terminations, such as -OH, -O, -F or -Cl. The unique properties of MXenes, including their tunable surface chemistry and high surface area-to-volume ratio, make them promising candidates for various biomedical applications, such as targeted drug delivery, photothermal therapy and so on. Among the family of MXenes, titanium (Ti)-based MXenes, especially TiCT, have been extensively explored for biomedical applications.
View Article and Find Full Text PDFWe investigated the relationship between self-reported history of visual impairment in youth and the development of dementia in later life using data from the Panel Study of Income Dynamics (PSID) household survey, which included the Eight-item Informant Interview to Differentiate Aging and Dementia (AD-8) screen. Adults with a reported history of childhood visual impairment were found to have significantly higher odds of positive dementia screening. After adjusting for confounders, we found a twofold increase in those reporting early visual impairment compared with those who did not report early visual impairment.
View Article and Find Full Text PDFWe describe a unique case of sclerouveitis that progressed to endogenous endophthalmitis in a 69-year-old male with chronic lymphocytic leukemia (CLL). We highlight the risk of treating sclerouveitis with oral corticosteroids, which can exacerbate an infection and contribute to disease progression. A 69-year-old male with CLL on zanubrutinib, a second-generation Bruton's tyrosine kinase inhibitor, was admitted to the hospital for osteomyelitis of the left foot.
View Article and Find Full Text PDF: Despite the role of metabolism in breast cancer metastasis, we still cannot predict which breast tumors will progress to distal metastatic lesions or remain dormant. This work uses metabolic imaging to study breast cancer cell lines (4T1, 4T07, and 67NR) with differing metastatic potential in a 3D collagen gel bioreactor system. : Within the bioreactor, hyperpolarized magnetic resonance spectroscopy (HP-MRS) is used to image lactate/pyruvate ratios, while fluorescence lifetime imaging microscopy (FLIM) of endogenous metabolites measures metabolism at the cellular scale.
View Article and Find Full Text PDFBackground: Excessive Daytime Sleepiness (EDS) is inferred as persistent sleepiness and often a general lack of energy during the day even after apparently adequate or even prolonged nighttime sleep. The subjects may not be identifying excessive daytime sleepiness but may present as feeling tired, lack of energy etc. They may seem apparently healthy and without any other systemic illness.
View Article and Find Full Text PDFMyotonic dystrophy type 1 (DM1) is a heterogeneous multisystemic disease caused by a CTG repeat expansion in DMPK. Transcription of the expanded allele produces toxic CUG repeat RNA that sequesters the MBNL family of alternative splicing (AS) regulators into ribonuclear foci, leading to pathogenic mis-splicing. To identify genetic modifiers of toxic CUG RNA levels and the spliceopathy, we performed a genome-scale siRNA screen using an established HeLa DM1 repeat-selective screening platform.
View Article and Find Full Text PDFCharacterization of shared patterns of RNA expression between genes across conditions has led to the discovery of regulatory networks and novel biological functions. However, it is unclear if such coordination extends to translation, a critical step in gene expression. Here, we uniformly analyzed 3,819 ribosome profiling datasets from 117 human and 94 mouse tissues and cell lines.
View Article and Find Full Text PDF17 global Sustainable Development Goals (SDGs) were established through the adoption of the 2030 Agenda for Sustainable Development by all United Nations members. Clean water and sanitation (SDG 6) and industry, innovation, and infrastructure (SDG 9) are the SDGs focus of this work. Of late, various new companies delivering metal-organic frameworks (MOFs) have blossomed and moved the field of adsorption utilizing MOFs to another stage.
View Article and Find Full Text PDFMotivation: Ribosome profiling is a widely-used technique for measuring ribosome occupancy at nucleotide resolution. However, the need to analyze this data at nucleotide resolution introduces unique challenges in data visualization and analyses.
Results: In this study, we introduce RiboGraph, a dedicated visualization tool designed to work with .
Eggs, which are often considered a complete food, have recently been scrutinized by the media as a potential cause of cardiovascular disease. However, the media hasn't shown the same enthusiasm for processed foods high in fructose, the consumption of refined cooking oil, seed oils, and carbohydrate-rich meals, the connection between these factors and metabolic diseases, or the potential long-term impacts on population comorbidities, as they have for criticizing egg yolks as a cause for cardiovascular disease in recent times. This review investigates the relationship between eggs and lipid levels, glucose levels, atherosclerosis, and antioxidant properties, as well as comparing them to cholesterol-free egg controls.
View Article and Find Full Text PDFIntroduction: Emergency Department observation units (EDOU) transition patients from the emergency department (ED) to dedicated areas where they can receive continuous monitoring. Understanding patient return visits after EDOU discharge is important for optimizing healthcare. The objective of this study was to investigate the correlation between demographic and clinical features and the likelihood of returning to the ED within 30 days following their initial assessment in the EDOU.
View Article and Find Full Text PDFOphthalmic Surg Lasers Imaging Retina
September 2024
Background And Objective: Retrospective analysis correlating serologic titers of ocular syphilis with posterior segment manifestations.
Patients And Methods: This study consisted of 40 patients (80 eyes imaged, 68 affected) with positive rapid plasma reagin (RPR) and immunoglobulin G. We collected demographic and presentation data including HIV status, absolute CD4 count, RPR, cerebrospinal fluid-venereal disease research laboratory (CSF-VDRL) test, and retinal zone.
Purpose: To present a case of molecularly confirmed oculocutaneous albinism (OCA) and retinitis pigmentosa (RP).
Observations: A 46-year-old male with a lifelong established diagnosis of OCA and baseline best corrected visual acuity (BCVA) of 20/200, presented for worsening visual acuity over the last few years. BCVA was light perception and hand motion at face for the right and left eye, respectively.
Förster resonance energy transfer (FRET) spectrometry is a method for determining the quaternary structure of protein oligomers from distributions of FRET efficiencies that are drawn from pixels of fluorescence images of cells expressing the proteins of interest. FRET spectrometry protocols currently rely on obtaining spectrally resolved fluorescence data from intensity-based experiments. Another imaging method, fluorescence lifetime imaging microscopy (FLIM), is a widely used alternative to compute FRET efficiencies for each pixel in an image from the reduction of the fluorescence lifetime of the donors caused by FRET.
View Article and Find Full Text PDFBackground In this study, researchers investigated non-invasive methods for analyzing creatinine levels by using saliva to address the need for frequent phlebotomy in chronic kidney disease (CKD) patients, which can damage their veins due to repeated blood withdrawals for creatinine level assessments. Methods This is a cross-sectional study in a tertiary healthcare setting conducted on 50 patients diagnosed with CKD. After collecting serum and salivary creatinine, we used Pearson correlation to assess the correlation between the two factors.
View Article and Find Full Text PDFIntroduction: In recent years, major findings on concomitant procedures and anticoagulation management have occurred in Mitral Valve (MV) surgery. Therefore, we sought to evaluate the current practices in MV interventions across Europe.
Methods: In October 2021, all national cardio-thoracic societies in the European region were identified following an electronic search and sent an online survey of 14 questions to distribute among their member consultant/attending cardiac surgeons.
Objectives: Critically ill patients with tuberculosis carry high mortality. Identification of factors associated with mortality in critically ill tuberculosis patients may enable focused treatment.
Data Sources: An extensive literature search of PubMed (MEDLINE), Embase, the Cochrane Library, and Google Scholar was performed using Medical Subject Headings terms "tuberculosis," "critical care," "critical care outcome," and "ICU.
Globally, one of the primary factors leading to death is cardiovascular disorders, specifically coronary artery disease, which leads to myocardial infarction (MI). This article investigates the potential of platelet-rich plasma (PRP) therapy for regenerating cardiac cells following MI. We look into the pathophysiology of MI, current treatment methods, and the heart's limited ability to heal itself.
View Article and Find Full Text PDFObjective: Pain control for hip fractures is often achieved via intravenous opioids. However, opioids can have dangerous adverse effects, including respiratory depression and delirium. Peripheral nerve blockade is an alternative option for pain control that reduces the need for opioid analgesia.
View Article and Find Full Text PDFUnlabelled: Ribosome profiling is a widely-used technique for measuring ribosome occupancy at nucleotide resolution. However, the need to analyze this data at nucleotide resolution introduces unique challenges in data visualization and analyses. In this study, we introduce RiboGraph, a dedicated visualization tool designed to work with .
View Article and Find Full Text PDFFluorescence lifetime imaging microscopy (FLIM) provides valuable quantitative insights into fluorophores' chemical microenvironment. Due to long computation times and the lack of accessible, open-source real-time analysis toolkits, traditional analysis of FLIM data, particularly with the widely used time-correlated single-photon counting (TCSPC) approach, typically occurs after acquisition. As a result, uncertainties about the quality of FLIM data persist even after collection, frequently necessitating the extension of imaging sessions.
View Article and Find Full Text PDFCentral retinal artery occlusion (CRAO) can result in devastating permanent vision loss. Presently, there is no evidence-based treatment for CRAO that is widely accepted. In the literature, multiple studies propose intravenous (IV) prostaglandin E1 (IV PGE1) as a potential treatment option for patients with CRAO.
View Article and Find Full Text PDFSignificance: Fluorescence lifetime imaging microscopy (FLIM) of the metabolic co-enzyme nicotinamide adenine dinucleotide (phosphate) [NAD(P)H] is a popular method to monitor single-cell metabolism within unperturbed, living 3D systems. However, FLIM of NAD(P)H has not been performed in a light-sheet geometry, which is advantageous for rapid imaging of cells within live 3D samples.
Aim: We aim to design, validate, and demonstrate a proof-of-concept light-sheet system for NAD(P)H FLIM.