Applications of modified lignocellulose and its composites prepared by different pretreatments in biomedicine: A review.

Lignocellulosic biomass represents one of the most abundant renewable biological resources on earth. Despite its current underutilization as a source of high-value chemicals, it has promising applications in biomedical and other fields. Presently, lignocellulose is predominantly transformed into high-value-added products, e.

The nucleolin antagonist N6L and paclitaxel combination treatment could be a new promising therapeutic strategy for pancreatic ductal adenocarcinoma therapy.

Pancreatic cancer (PCa) is one of the most devastating cancers with few clinical signs and no truly effective therapy. In recent years, our team has demonstrated that nucleolin antagonists such as N6L could be a therapeutic alternative for this disease. In order to study a possible clinic development of N6L (multivalent pseudopeptide), we undertook to study the effect of combination of N6L with chemotherapies classically used for PCa on the survival of pancreatic cancer cells.

Combination of clinical frailty score and myostatin concentrations as mortality predictor in hemodialysis patients.

Background And Aims: Frailty is common among hemodialysis (HD) patients. Its assessment is usually based on clinical criteria. In the present work, we evaluated the interest of combining clinical frailty score and biomarkers to predict mortality of chronic HD patients.

Involvement of nuclear atrophy of binucleated hepatocytes in the large micronucleus formation induced by rat hepatocarcinogen acetamide.

Acetamide is a hepatocarcinogen in rats. We previously revealed that acetamide induces characteristic large micronuclei in rat liver, suggesting the possible involvement of chromosome aberrations in acetamide-induced hepatocarcinogenesis. To elucidate the mechanism of large micronuclei formation, in this study we examined time-dependent changes in rat hepatocytes after administration of acetamide.

Association of glycemic variability with short and long-term mortality among critically ill patients with heart failure: Analysis of the MIMIC-IV database.

Objective: High glycemic variability (GV) often indicates a poor prognosis. Our aim is to investigate the relationship between GV and short and long-term mortality in critically ill heart failure (HF) patients.

Methods: We extracted data from the Medical Information Mart for Intensive Care IV database.

Selective pressure of various levels of erythromycin on the development of antibiotic resistance.

This study evaluated microbial fitness under selective pressure of various erythromycin concentrations and the development of resistance genes in Escherichia coli (E. coli) and Enterococcus faecalis (E. faecalis).

Technical Stroke Regulations Discriminate Pacing Effectiveness During a 5-km Indoor Pool Race.

Purpose: To investigate technical regulation mechanisms of long-distance swimmers that differentiate optimal pacing strategies and the underlying kinematic parameters.

Methods: Twenty-one national and international swimmers were equipped with a sacrum-worn inertial measurement unit performed during 5000-m indoor French championships. Percentage of critical swimming speed (CSS), stroke rate, stroke length, jerk cost, stroke index, and mechanical proficiency score were computed by lap.

Influences of upper limb orthosis on trunk muscle activity during static and dynamic sitting tasks for hemiparetic stroke.

Background: We aimed to clarify the immediate effect of wearing the Omo Neurexa upper limb suspended orthosis (Ottobock Japan, Tokyo, Japan) on trunk muscle activity during seated tasks.

Methods: Fifteen participants with upper limb hemiparesis were included. Surface electromyography of the thoracic and lumbar erector spinae and the external oblique muscles was performed.

How short-term change in temperature or salinity affect cellular immune parameters of three-spined stickleback, Gasterosteus aculeatus?

Reference values for the non-specific immune response of stickleback have been developed to better understand the natural variability of the immunomarkers and to increase their relevance for the detection of environmental perturbations. However, under field conditions, temperature and salinity can vary from station to station and their influence on the reference ranges of the immunomarkers should therefore be quantified. To this end, adult sticklebacks were exposed either to different temperatures (from 12 to 18 °C) or to different salinities (from 0 to 30 g/L) for 21 days after 10 days of acclimatization.

ManiNeg: Manifestation-guided multimodal pretraining for mammography screening.

Breast cancer poses a significant health threat worldwide. Contrastive learning has emerged as an effective method to extract critical lesion features from mammograms, thereby offering a potent tool for breast cancer screening and analysis. A crucial aspect of contrastive learning is negative sampling, where the selection of hard negative samples is essential for driving representations to retain detailed lesion information.

New cinnamic acid sugar esters as potential UVB filters: Synthesis, cytotoxicity, and physicochemical properties.

Cinnamic Acid Sugar Ester Derivatives (CASEDs) are a class of natural compounds that exhibit several interesting biological activities. However, to date, no examples of their use in sunscreen formulations have been reported. Here, we describe the synthesis of a series of novel cinnamic acid esters of glucose (4a-g), ribose (4h) and lactose (4i) starting from the respective acetals 3.

Magnetic vector field mapping of the stimulated abductor digiti minimi muscle with optically pumped magnetometers.

Mapping the myomagnetic field of a straight and easily accessible muscle after electrical stimulation using triaxial optically pumped magnetometers (OPMs) to assess potential benefits for magnetomyography (MMG). Approach: Six triaxial OPMs were arranged in two rows with three sensors each along the abductor digiti minimi (ADM) muscle. The upper row of sensors was inclined by 45° with respect to the lower row and all sensors were aligned closely to the skin surface without direct contact.

Simulation of fluid flow with Cuprophan and AN69ST membranes in the dialyzer during hemodialysis.

Hemodialysis is a crucial procedure for removing toxins and waste from the body when kidneys fail to perform this function effectively. This study addresses the need to improve the efficiency and biocompatibility of membranes used in dialyzers. We simulate fluid flow through two types of membranes, Cuprophan (cellulosic) and AN69ST (synthetic), to understand the complex mechanisms involved and quantify key variables such as pressure, concentration, and flow.

A national survey on gastroenterology and hepatology training reveals dissimilar perceptions between trainees and trainers and an important need for improvement in training programs.

Objective: We aimed to collect data on gastroenterology and hepatology training from the viewpoint of trainees and trainers.

Methods: A national online survey was distributed among trainees and specialists at certified training institutions between February and May 2024.

Results: Overall, 226 respondents - 98 trainees, 78 trainers, 50 program directors, and department heads responded, with a national coverage of 70% of trainees and 85% of specialty-department heads.

Screening of 14 Lactic Acid Bacteria for Fermentative Isomalto/Malto-Polysaccharide Synthesis.

Some lactic acid bacteria such as or contain genes encoding 4,6-α-glucanotransferases. These enzymes convert starch and maltodextrins into isomalto/malto-polysaccharides (IMMPs). Many studies focused on the properties of recombinant glucanotransferases, but limited knowledge is available on fermentative synthesis.

Is the FAB test associated with fall occurrence in older adults? A retrospective analysis of outpatient fall risk assessment.

Methods: We conducted a single-center, retrospective cohort study of French older adults. Participants with Mini-Mental State Examination (MMSE) ≥ 24 were recruited from a fall clinic in a geriatrics department. We recorded history of falls in the preceding 6 months, as well as Timed Up and Go test and mobility assessment at baseline and at 6- and 12-month follow-up.

A rare complication of a thoracic wound: the pneumopericardium?

Pneumopericardium (PPC) is defined by the presence of gas in the pericardial cavity, often leading to cardiac tamponade and a high mortality rate. This report describes a case involving a 33-year-old man found deceased a few meters from a knife, his clothes intact, with no resuscitation attempt made. A knotted scarf was tightly fastened around his neck, without ligature mark.

The Johns Hopkins Hope at Hopkins Clinic: supporting the comprehensive needs of individuals with metastatic breast cancer.

Purpose: Individuals with metastatic breast cancer (MBC) may live with their disease for many years. We initiated the Johns Hopkins Hope at Hopkins Clinic to assess the needs and optimize the care of these patients.

Patients And Methods: Patients with MBC who agreed to participate in the Clinic in addition to usual care completed patient-reported outcome (PRO) surveys.

Cognitive representation of gait: differences in memory structures between individuals after total knee arthroplasty and total hip arthroplasty.

The objective was to examine differences in the gait-specific cognitive representation structures between individuals after total knee- (TKA) and after total hip-joint arthroplasty (THA). The cognitive representation structure was compared between three groups: 1. three months after TKA (n = 12), 2.

Two-Dimensional Liquid Chromatography-Isotope Ratio Mass Spectrometry Opens New Possibilities in the Field of Compound-Specific Stable Isotope Analysis.

Compound-specific stable isotope analysis (CSIA) using liquid chromatography-isotope ratio mass spectrometry (LC-IRMS) is a powerful tool for determining the isotopic composition of carbon in analytes from complex mixtures. However, LC-IRMS methods are constrained to fully aqueous eluents. Previous efforts to overcome this limitation were unsuccessful, as the use of organic eluents in LC-IRMS was deemed impossible.

DNA methylation dynamics in the small intestine of egg-selected laying hens along egg production stages.

Decades of artificial selection have markedly enhanced egg production efficiency, yet the epigenetic underpinnings, notably DNA methylation dynamics in the gut, remain largely unexplored. Here, we investigate how breeds and developmental stages influence DNA methylation profiles in laying hens, and their potential relationship to laying performance and gut health. We compared two highly selected laying hen strains, Lohmann Brown-Classic (LB) and Lohmann LSL-Classic (LSL), which exhibited similar egg production but divergent physiological, metabolic, and immunological characteristics.

Real-world clinical experience with secukinumab in psoriatic arthritis: an observational study and a literature review.

Objective: Psoriatic arthritis (PsA) can be treated with biological drugs targeting IL-17A, such as secukinumab, with good responses and long-term positive outcomes in clinical studies.

Methods: An observational study was conducted on adult subjects with PsA and comorbidities, treated with secukinumab after prior therapy with conventional disease-modifying anti-rheumatic drugs or biological agents that were discontinued due to lack of efficacy or adverse drug reactions. Patients were followed up with clinical visits at 3, 6, 9, and 12 months and evaluated for disease activity, pain, and quality of life, with respect to values recorded at baseline.

Biomimetic Air-Lifted Organ Culture System with a Protective Coverage Membrane for Full-Thickness Corneal Preservation.

Effective storage and utilization of limited donor corneal resources are in high demand to alleviate the shortage of donor corneal tissue. Here, we designed a static air-lifted organ culture system equipped with a protective coverage membrane, namely, an air-lifted OC-P system, to provide a biomimetic physiological environment for full-thickness corneal preservation. The air-lifted OC-P system features a unique collagen-based protective coverage membrane that can offer a moist, oxygen-rich environment for corneal epithelium, produce an appropriate intraocular pressure onto the cornea by gravity, and facilitate the maintenance of the organ culture medium level for nutrient supply during corneal preservation.