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Novel Dual-Functional Half-Curcumin Analogues as a Fluorescent and PET Probe for β-Amyloid Imaging in the Alzheimer's Disease APP/PS1 Model.
ACS Chem Neurosci
January 2025
School of Medicine, Shanghai University, Shanghai 200444, China.
Noninvasive imaging of β-amyloid is pivotal for the early diagnosis of Alzheimer's disease (AD). While single imaging methods have been extensively studied for detecting Aβ over the past decade, dual-modal probes have received scant attention. In this study, we synthesized and assessed a series of half-curcumin probes, among which demonstrated a high affinity and selectivity for Aβ aggregates.
View Article and Find Full Text PDFSurface coating nanoarchitectonics for optimizing cytocompatibility and antimicrobial activity: The impact of hyaluronic acid positioning as the outermost layer.
Int J Biol Macromol
January 2025
Department of Chemistry, State University of Maringá, Maringá, PR, Brazil; Laboratory of Materials, Macromolecules, and Composites, Federal University of Technology - Paraná, Apucarana, PR, Brazil; National Institute for Materials Advancement, Pittsburg State University, Pittsburg, KS, USA; Department of Chemistry, Pittsburg State University, Pittsburg, KS, USA. Electronic address:
Polyelectrolyte multilayers (PEMs) based on hyaluronic acid (HA) and poly (diallyldimethylammonium chloride) (PDDA) were deposited on oxidized polystyrene (PS) via the layer-by-layer (LbL) method. The X-ray photoelectron spectroscopy (XPS) confirmed the PEM deposition on PS, and atomic force microscopy (AFM) indicated that the surface roughness of PS also increased after PEM deposition. The PEMs significantly enhanced PS wettability, reducing the contact angle from 73° on PS to 24° on PDDA-terminated (PDDA/HA) PEM (2.
View Article and Find Full Text PDFPhenolic acids from Anisopus mannii modulates phosphofructokinase 1 to improve glycemic control in patients with type 2 diabetes: a double-blind, randomized, clinical trial.
Pharmacol Res
January 2025
Department of Biochemistry, Imo State University, Owerri, Nigeria.
Phenolic acid-rich fraction from Anisopus mannii (PhAM) contains abundance of ferulic acid, gallic acid, protocatechuic acid, and syringic acid. Among other glycolytic enzymes, in vitro, PhAM counteracted the binding of sodium orthovanadate to phosphofructokinase 1 (PFK-1), improving its activities. In a rat model of diet-induced diabetes, PhAM monotherapy reduced HbA1c by an average of 0.
View Article and Find Full Text PDFExploration of the metabolomic mechanisms of postmenopausal hypertension induced by low estrogen state.
Elife
January 2025
Department of Urology, The Affiliated Hospital of Qingdao University, Qingdao, China.
Estrogen significantly impacts women's health, and postmenopausal hypertension is a common issue characterized by blood pressure fluctuations. Current control strategies for this condition are limited in efficacy, necessitating further research into the underlying mechanisms. Although metabolomics has been applied to study various diseases, its use in understanding postmenopausal hypertension is scarce.
View Article and Find Full Text PDFTarget-agnostic identification of human antibodies to sexual forms reveals cross-stage recognition of glutamate-rich repeats.
Elife
January 2025
Department of Medical Microbiology, Radboud University Medical Center, Nijmegen, Netherlands.
Circulating sexual stages of ) can be transmitted from humans to mosquitoes, thereby furthering the spread of malaria in the population. It is well established that antibodies can efficiently block parasite transmission. In search for naturally acquired antibodies targets on sexual stages, we established an efficient method for target-agnostic single B cell activation followed by high-throughput selection of human monoclonal antibodies (mAbs) reactive to sexual stages of in the form of gametes and gametocyte extracts.
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