Photodynamic therapy (PDT) eradicates tumor cells by the light-stimulated reactive oxygen species, which also induces lipid peroxidation (LPO) and subsequently ferroptosis, an iron-depended cell death. Ferroptosis has a tremendous therapeutic potential in cancer treatment, however, the ferroptosis efficiency is largely limited by the available iron in cells. Through hijacking the CD44-mediated iron endocytosis of hyaluronan (HA), here PDT with enhanced ferroptosis was realized by a HA@Ce6 nanogel self-assembled from HA, a photosensitizer Chlorin e6 (Ce6) and Fe as cross-linkers.
View Article and Find Full Text PDFConductive hydrogels have emerged as excellent candidates for the design and construction of flexible wearable sensors and have attracted great attention in the field of wearable sensors. However, there are still serious challenges to integrating high stretchability, self-healing, self-adhesion, excellent sensing properties, and good biocompatibility into hydrogel wearable devices through easy and green strategies. In this paper, multifunctional conductive hydrogels (PCGB) with good biocompatibility, high tensile (1694 % strain), self-adhesive, and self-healing properties were fabricated by incorporating boric acid (BA) and glucose (Glu) simultaneously into polyacrylic acid (PAA) and chitosan (CS) polymer networks using a simple one-pot polymerization method.
View Article and Find Full Text PDFCell cycle checkpoints are the regulatory mechanisms that secure the strict order of cellular events for cell division that ensure genome integrity. It has been proposed that mitosis initiation depends on the completion of DNA replication, which must be tightly controlled to guarantee genome duplication. Contrary to these conventional hypotheses, we showed here that cells were able to enter mitosis without completion of DNA replication.
View Article and Find Full Text PDFObservational studies have shown that cadmium exposure increases the risk of cardiovascular disease, but the underlying mechanism is still unclear. Atherosclerotic plaque can cause vascular obstruction, which is important for the death from cardiovascular disease. Cell damage and monocyte adhesion are two early events in atherosclerotic plaque formation that can be induced by cadmium exposure, but the mechanism remains to be determined.
View Article and Find Full Text PDFA direct synthesis strategy was employed to prepare functionalized COFs enriched with acidic sites, using various precursor monomers. The functionalized COFs were applied in the catalytic conversion of biomass-derived xylan to furfural in the liquid phase. The study further assessed the recyclability and reusability of these COFs, explored the relationship between their structural features and catalytic performance, and investigated the reaction mechanism underlying the COF-catalyzed conversion of xylan to furfural.
View Article and Find Full Text PDFThis needs-assessment study evaluated the physical activity levels, needs, preferences, and requirements for exercise among individuals with visual impairments, aiming to establish evidence for the codesign of a subsequent home-based exercise program. The questionnaire, comprising 35 questions, was developed by a research team of disability and adapted physical activity experts. It was implemented for the online survey, collecting data from 145 adults with severe low vision and blindness between January 15 and January 29, 2024.
View Article and Find Full Text PDFIntroduction: Patients on extracorporeal membrane oxygenation (ECMO) often experience worse renal outcomes and higher mortality rates as the severity of kidney injury increases. Nevertheless, the in-hospital mortality risks of patients with end-stage renal disease (ESRD) are poorly understood. This study evaluated several prognostic factors associated with in-hospital mortality in patients with ESRD receiving ECMO therapy.
View Article and Find Full Text PDFBackground: Depression is one of the most common mental health concerns among adolescents and young adults. Childhood maltreatment is a particularly potent risk factor for the subsequent development of depressive symptoms. Meanwhile, social support has been identified as a robust protective factor against depressive symptoms.
View Article and Find Full Text PDFIntroduction: Cerebral arteriovenous malformations (AVMs) represent a complex neurosurgical challenge with management strategies that vary significantly across regions. The decision to treat unruptured AVMs, in particular, is controversial, with options ranging from conservative management to surgical excision or endovascular embolization. This study investigates regional variations in treating unruptured and ruptured AVMs in the United States.
View Article and Find Full Text PDFThe articular cartilage is characterized by its gradient hierarchical structure, which exhibits excellent lubrication and robust load-bearing properties. However, its inherent difficulty in self-repair after damage presents numerous formidable challenges for cartilage repair. Inspired by the unique structure of articular cartilage, a biomimetic bilayer hydrogel composed of PAM (polyacrylamide) and PAM/SA (sodium alginate) is prepared using a two-step in-situ swelling method.
View Article and Find Full Text PDFBackground: Lipid metabolism, one of the three major metabolic processes, plays a crucial role in male fertility, particularly when lipid homeostasis is disrupted. Lipid droplets (LDs), cellular organelles that store lipids primarily in the form of triglycerides and cholesterol esters, serve as central hubs in lipid metabolism.The degradation of LDs is regulated by lipases and lipophagy.
View Article and Find Full Text PDFAngew Chem Int Ed Engl
January 2025
N reduction reaction (NRR) by light is an energy-saving and sustainable ammonia (NH) synthesis technology. However, it faces significant challenges, including high energy barriers of N activation and unclear catalytic active sites. Herein, we propose a strategy of photo-driven ammonia synthesis via a proton-mediated photoelectrochemical device.
View Article and Find Full Text PDFLong-standing challenges including notorious side reactions at the Zn anode, low Zn anode utilization, and rapid cathode degradation at low current densities hinder the advancement of aqueous zinc-ion batteries (AZIBs). Inspired by the critical role of capping agents in nanomaterials synthesis and bulk crystal growth, a series of capping agents are employed to demonstrate their applicability in AZIBs. Here, it is shown that the preferential adsorption of capping agents on different Zn crystal planes, coordination between capping agents and Zn ions, and interactions with metal oxide cathodes enable preferred Zn (002) deposition, water-deficient Zn ion solvation structure, and a dynamic cathode-electrolyte interface.
View Article and Find Full Text PDFDeveloping efficient gene regulation tools is essential for optimizing microbial cell factories, but most existing tools only modulate gene expression at the transcriptional level. Regulation at the translational level provides a faster dynamic response, whereas developing a programmable, efficient and multiplexed translational regulation tool remains a challenge. Here, we have developed CRISPRi and CRISPRa systems based on hfCas13X that can regulate gene translation in Bacillus subtilis.
View Article and Find Full Text PDFBackground And Objectives: Direct visualization of the aneurysmal neck and its related perforating arteries during microsurgical clipping of posterior communicating artery (PCoA) aneurysms with posterior projection or true PCoA aneurysms through the pterional approach may be difficult and complicated.
Methods: From January 2022 to January 2023, the clinical and angiographic information regarding PCoA aneurysms were retrospectively collected. Among them, 10 consecutive patients with PCoA aneurysms treated with microsurgical clipping via the subtemporal approach in our single institution were included.
Background: Esophageal stricture ranks among the most significant complications following endoscopic submucosal dissection (ESD). Excessive fibrotic repair is a typical pathological feature leading to stenosis after ESD.
Aim: To examine the effectiveness and underlying mechanism of Kangfuxin solution (KFX) in mitigating excessive fibrotic repair of the esophagus post-ESD.
Double-stranded RNA (dsRNA) has emerged as key player in gene silencing for the past two decades. Tailor-made dsRNA is now recognized a versatile raw material, suitable for a wide range of applications in biopesticide formulations, including insect control to pesticide resistance management. The mechanism of RNA interference (RNAi) acts at the messenger RNA (mRNA) level, utilizing a sequence-dependent approach that makes it unique in term of effectiveness and specificity compared to conventional agrochemicals.
View Article and Find Full Text PDFThe present study aimed to determine the potential of carcinoembryonic antigen (CEA), alpha-fetoprotein (AFP), carbohydrate antigen (CA)19-9 and CA242 in predicting recurrence/metastasis of gastric cancer in patients following radical gastrectomy. The clinical data of 368 patients with stage I-III gastric cancer who underwent radical gastrectomy were analyzed, and CEA, AFP, CA19-9 and CA242 levels were detected prior to surgery and 6-12 months following surgery. Univariate and multivariate analyses were used to evaluate the potential risk factors for post-operative recurrence/metastasis of gastric cancer, and the predictive value of CEA, AFP, CA19-9 and CA242 levels was evaluated using receiver operating characteristic (ROC) curve and area under the curve (AUC).
View Article and Find Full Text PDFThe mannose receptor (CD206, expressed by the gene ) is a surface marker overexpressed by anti-inflammatory and pro-tumoral macrophages. As such, CD206 macrophages play key roles in the immune response to different pathophysiological conditions and represent a promising diagnostic and therapeutic target. However, methods to specifically target these cells remain challenging.
View Article and Find Full Text PDFBackground: The erector spinae plane block (ESPB) has been increasingly utilized for postoperative analgesia in thoracic, abdominal, and spinal surgeries. This study evaluated the postoperative analgesic outcomes of ESPB with nalbuphine as a ropivacaine adjuvant for lumbar trauma surgery.
Methods: This randomized double-blind clinical trial included 57 participants who underwent lumbar trauma surgery.
Biol Imaging
December 2024
With the fast development of modern microscopes and bioimaging techniques, an unprecedentedly large amount of imaging data is being generated, stored, analyzed, and shared through networks. The size of the data poses great challenges for current data infrastructure. One common way to reduce the data size is by image compression.
View Article and Find Full Text PDFIntroduction: Stroke is a debilitating disease and the second leading cause of death worldwide, of which ischemic stroke is the dominant type. L., also known as safflower, has been used to treat cerebrovascular diseases, especially ischemic stroke in many Asian countries.
View Article and Find Full Text PDFMitochondrial DNA B Resour
January 2025
The complete mitochondrial genome of the was sequenced by Sanger platform. The circular mitogenome of (16,512 bp) encoded the typical 37 genes, and one non-coding regions. All of the protein-encoding genes were located on the H chain except ND6.
View Article and Find Full Text PDFMitochondrial DNA B Resour
December 2024
The complete mitochondrial genome of Chen, 2023 has been sequenced and analyzed for the first time. The total length we assembled is 15,448 bp, which comprises 13 PCGs, 22 tRNAs, 2 rRNAs, and a CR. The overall nucleotide composition consists of 41.
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