Publications by authors named "Xueli Lv"

Article Synopsis
  • * This nanoreactor integrates various components, including modified hyaluronic acid and guanosine, to generate reactive oxygen species (ROS) and increase hydrogen peroxide levels which damage cancer cells.
  • * As a result, the nanoreactor effectively reduces cell survival by causing nuclear and mitochondrial damage while also depleting protective cellular components, leading to a strong anticancer effect in both lab experiments and living organisms.
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Article Synopsis
  • * Researchers developed a new nanoparticle (DNP) that combines a cationic polypeptide with a pH-sensitive anionic polypeptide, allowing it to stay stable in normal body conditions but release its contents in the acidic environment of tumors.
  • * In tests, DNPs showed improved safety and effectiveness by specifically targeting tumors, fighting growth and spread, and enhancing immune responses against cancer cells.
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Utilizing enzyme cascades as a promising approach for targeted cancer therapies holds significant potential, yet its clinical effectiveness is substantially hindered by functional losses during delivery. Complex coacervation emerges as an intriguing strategy for designing functional nanoreactors. In this study, a noteworthy achievement is presented in the development of lactobionic acid-modified tumor microenvironment (TME)-responsive polyelectrolyte complex vesicles (HGS-PCVs) based on bioinspired homopolypeptoids, which serve as a facile, intelligent, and highly efficient nanoreactor tunable for glucose oxidase, hemoglobin, and sorafenib (SRF) to hepatic cancer cells.

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Here we report a brand-new bioactive polymer featuring sulfonium moieties that exhibits the capability of inducing immunogenic cell death (ICD) for anticancer therapy. The optimized polysulfonium presents a wide spectrum of potent anticancer activity and remarkable selectivity. In-depth mechanistic studies reveal that the polymer exerts its cytotoxic effects on cancer cells through a membrane-disrupting mechanism.

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The noncovalent interactions of ammonium ion with multidentate oxygen-based host has never been reported as a reacting center in catalytic reactions. In this work, we report a reactivity enhancement process enabled by non-covalent interaction of ammonium ion, achieving the C-H functionalization of polyethylene glycols with acrylates by utilizing photoinduced co-catalysis of iridium and quinuclidine. A broad scope of alkenes can be tolerated without observing significant degradation.

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Planar chiral ferrocenyl phosphines have been employed as highly valuable ligands in metal-catalyzed asymmetric reactions. However, their preparation remains a formidable challenge due to the requirement for intricate, multistep synthetic sequences. In addressing this issue, we have developed a groundbreaking enantioselective C-H activation strategy facilitated by P(III) directing groups, enabling the efficient construction of planar chiral ferrocenyl phosphines in a single step.

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Article Synopsis
  • Transition-metal-catalyzed methods are key for creating optically active diarylmethylamines through the addition of aryl organometallics to imines.
  • This study introduces the first asymmetric reductive addition of imines using aryl and heteroaryl halides with a chiral cobalt-bisphosphine catalyst, showing good compatibility with various functional groups.
  • Mechanistic analyses reveal that an aryl-cobalt complex, rather than an arylzinc reagent, is generated in situ during the reductive aryl-addition process.
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Esophageal squamous cell cancer (ESCC) is a prevalent malignant cancer with high incidence and fatality rate. Surging evidences have revealed that circular RNAs (circRNAs) act key role in ESCC tumorigenesis and progression. Therefore, the purpose of this study is to explore the role and regulatory mechanism of a novel circGOT1 in ESCC.

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Objective: This study aimed to explore the effects of lidocaine on postoperative quality of recovery (QoR) and immune function in patients undergoing laparoscopic radical gastrectomy.

Methods: In total, 135 patients were enrolled and were equally randomized to receive low-dose lidocaine (Group LL: 1.5 mg/kg bolus followed by an infusion at 1.

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In recent years, the developed hemostatic technologies are still difficult to be applied to the hemostasis of massive arterial and visceral hemorrhage, owing to their weak hemostatic function, inferior wet tissue adhesion, and low mechanical properties. Herein, a mussel-inspired supramolecular interaction-cross-linked hydrogel with robust mechanical property (308.47 ± 29.

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Background: Sore throat is a common complication after Laryngeal Mask Airway Supreme (SLMA) insertion.

Objective: The aim of this study was to determine whether a new SLMA insertion technique (not removing the pilot tube blocker before insertion) lowers the incidence of sore throat in the postanaesthesia care unit (PACU).

Design: A prospective, single-centre, parallel randomised controlled trial.

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Objective: Propofol for procedural sedation and analgesia (PSA) for colonoscopy can result in a high prevalence of severe respiratory depression. Studies have shown that intravenous (IV) infusion of lidocaine can reduce propofol requirements significantly and increase the ventilatory response to carbon dioxide in humans. We tested the hypothesis that IV lidocaine could improve propofol-induced respiratory depression in obese patients during colonoscopy.

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Differential findings have been reported on the association between neighborhood greenness and chronic obstructive pulmonary disease (COPD). The underlying reasons might be the different types of vegetation and the diagnosis methods used in different studies. In this nationwide cross-sectional study in China, we examined the linkage between neighborhood greenness and COPD prevalence among 66,752 adults aged 40 years and above.

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Background: The efficacy and safety of spinal anesthesia by intrathecal dexmedetomidine (DEX) for parturients undergoing cesarean section are still lack of evidence. This aim of our study was to evaluate the efficacy and safety of intrathecal DEX for parturients undergoing cesarean section to provide more data evidence for intrathecal applications.

Methods: Three hundred parturients undergoing cesarean section under spinal anesthesia were randomly assigned into three groups: group B: 9.

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Doxorubicin (DOX) is one of the most effective and irreplaceable chemotherapeutic agents but its clinical use is limited due to its cardiotoxicity. Glycyrrhizin(GL) has been applied to liver disorders for long. However, little is known that if GL could be meaningful in attenuating cardiotoxicity.

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Introduction: Influenza vaccination is the most effective way to prevent influenza. Few studies on its rate were reported throughout China and for populations with chronic diseases. An estimation of the rates in China was accomplished.

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To develop a new drug delivery system is one of the useful approaches to break through the limitation of hydroxycamptothecin (HCPT), a typical DNA topoisomerase I (Topo I) inhibitor in clinical appliance. Injectable glycyrrhizic acid-hydroxycamptothecin (GL-HCPT) micelles that were able to dramatically improve the solubility and stability of HCPT were prepared through self-assembly process and evaluated both in vitro and in vivo. With a mean particle size (PS) of 105.

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Novobiocin (NOVO), an ABC transporter inhibitor, decreases intestinal wall permeability of capsaicin (CAP), an ABC transporter substrate. However, the mechanism of this effect is not consistent with the action of NOVO as an ABC transporter inhibitor. We previously found that CAP can also be transported via TRPV1, which was site-specific in the permeability of CAP across the intestine.

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A photoredox-mediated direct cross-dehydrogenative coupling reaction to accomplish α-aminoalkylation of N-heteroarenes is reported. This mild reaction has a broad substrate scope, offers the first general method for synthesis of aminoalkylated N-heteroarenes without the need for substrate prefunctionalization, and is scalable to the gram level. Furthermore, the reaction was found to be applicable to other hydrogen donors besides amines (i.

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Synopsis of recent research by authors named "Xueli Lv"

  • - Xueli Lv's recent research primarily focuses on the development of innovative nanomaterials and therapeutic strategies for cancer treatment, particularly utilizing the tumor microenvironment to enhance therapeutic efficacy and selectivity.
  • - Key findings include the creation of tumor microenvironment-activated polypeptide nanoparticles, which show promise in oncolytic immunotherapy, and the development of coacervation-driven nanoreactors that enhance enzymatic cascade therapies for cancer.
  • - Additionally, Lv's work highlights the discovery of a bioactive polymer capable of inducing immunogenic cell death, as well as advancements in asymmetric C-H functionalization methods, further emphasizing the interdisciplinary nature of his research in both materials science and medicinal chemistry.