Publications by authors named "Jiaxing Ma"

Endothelial cells play a critical role in the pathophysiology of ischemia-reperfusion injury (IRI). Although previous studies have shown that IRI can activate PANoptosis, the underlying mechanisms remain unclear. Our research investigates how IRI induces PANoptosis in endothelial cells, aiming to identify protective strategies to safeguard these cells from PANoptosis triggered by IRI.

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Practical engineering optimization problems are characterized by high dimensionality, non-convexity, and non-linearity, and the use of optimizers to provide better quality solutions to the target problem in an acceptable time is a hot research topic in the field of optimal design. In this paper, inspired by the Sturnus vulgaris escape behavior, a Sturnus Vulgaris Escape Algorithm (SVEA) is proposed to provide a high-performance optimizer for complex optimization problems. The algorithm is composed of exploration and exploitation strategies, controlled by fixed parameters.

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Article Synopsis
  • The study presents a mechanical crystal that can have its defect mode altered using light, allowing for precise control over its properties.
  • By applying an optical spring to a specific part of a phononic crystal membrane, the researchers were able to effectively move a mechanical mode into a band gap, concentrating its effect to a smaller area within the crystal.
  • This technique offers a rapid and reversible method for engineering mechanical defects, providing the ability to reconfigure the crystal's properties on the spot.
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Objective: This study seeks to explore the impact of fast track surgery (FTS) with three-port in patients treated with laparoscopic radical cystectomy and ileal conduit on postoperative recovery, hospital stay and the complications.

Methods: This retrospective study analyzed 230 patients with invasive bladder cancer who underwent laparoscopic radical cystectomy at the Second Hospital of Anhui Medical University between December 2011 to January 2023. 50 patients received conventional surgery (CS) and 180 patients received FTS with three-port.

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  • Research shows that hypoxia reoxygenation (HR) leads to issues like endothelial barrier dysfunction and inflammation, with the P38 MAPK pathway being a key player in these effects.
  • The study investigates how hypoxia postconditioning (HPC) influences P38 MAPK in human skin microvascular endothelial cells, by conducting various tests after exposing cells to hypoxia and reoxygenation.
  • Results indicate that HPC not only improves cell health and barrier function but also reduces the harmful effects of HR by inhibiting P-P38 MAPK and improving the distribution of claudin-5, a protein crucial for cell junctions.
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Tunneling nanotubes (TNTs) represent an innovative way for cells to communicate with one another, as they act as long conduits between cells. However, their roles in human dermal microvascular pericytes (HDMPCs) interaction remain elusive in vitro. In this work, we identified and characterized the TNT-like structures that connected two or more pericytes in two-dimensional cultures and formed a functional network in the human dermis.

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The efficient acetate conversion from CO electroreduction is challenging due to the poor selectivity at high reaction rate, which requires the competition with H and other C (i. e., ethylene, ethanol, n-propanol) reduction products.

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The efficient ethanol electrosynthesis from CO is challenging with low selectivity at high CO electrolysis rates, due to the competition with H and other reduction products. Copper-based bimetallic electrocatalysts are potential candidates for the CO-to-ethanol conversion, but the secondary metal has mainly been focused on active components (such as Ag, Sn) for CO electroreduction, which also promote selectivity of ethylene or other reduction products rather than ethanol. Limited attention has been given to alkali-earth metals due to their inherently active chemical property.

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  • Pericytes (PCs) are important for blood vessel function and play a role in wound healing and angiogenesis, the formation of new blood vessels.
  • The study involved isolating PCs from human skin and examining their abilities to form structures and move towards endothelial cells, demonstrating that they could create stable vessel-like structures more effectively than endothelial cells in certain conditions.
  • Findings suggest that PCs enhance wound healing by not only forming tubular structures in wounds but also by attracting endothelial cells, increasing their presence in the wound area over time.
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To benefit high-power interferometry and the creation of low-noise light sources, we develop a simple lead-compensated photodetector enabling quantum-limited readout from 0.3 to 10 mW and 10 kΩ gain from 85 Hz to 35 MHz, with a noise equivalent power of 9 pW/Hz. Feeding the detector output back to an intensity modulator, we suppress the classical amplitude noise of a commercial 1550 nm fiber laser to the shot noise limit over a bandwidth of 700 Hz-200 kHz, observing no degradation to its (nominally ∼100 Hz) linewidth.

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  • Botulinum toxin type A (BTXA) helps protect endothelial cells from damage caused by ischemia/reperfusion injury by promoting autophagy, particularly in human dermal microvascular endothelial cells (HDMECs).
  • A study showed that pretreatment with an optimal BTXA concentration (1.6 U/mL) increased cell survival and the expression of proteins associated with ER stress and autophagy during subsequent hypoxia and reoxygenation.
  • The results indicate that moderate ER stress from BTXA pretreatment activates protective autophagy, which is essential for cell survival and may provide a therapeutic target for enhancing endothelial cell resilience against damage.
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  • Human dermal microvascular pericytes (HDMPCs) are essential for maintaining blood flow and structural integrity in skin flaps, specifically in the context of facial tissue.
  • This study presents a novel method for isolating HDMPCs from human facial flaps using enzyme digestion and differential adherence, as opposed to the traditional magnetic bead sorting technique.
  • The research confirmed the identity and purity of these pericytes through various analyses, demonstrating their characteristic features and positive expression of specific markers while efficiently generating high-purity cell cultures in the lab.
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Following the publication of the above article, an interested reader drew to the authors' attention that, for the Transwell invasion assays shown in Fig. 5D on p. 1326, the images selected for the '0 μM benzidine / 0 μM curcumin' and '0 μM benzidine / 1 μM curcumin' experiments were overlapping, such that these data appeared to have been derived from the same original source.

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Objective: Long Non-Coding RNAs (LncRNAs) act as an indispensable role in cancer development. The study aimed to investigate the role and mechanism of lncRNA Small Nucleolar RNA Host Gene 1 (SNHG1) in Bladder Cancer (BC) progression.

Method: The expression, prognostic value, diagnostic value, and correlation of SNHG1, Enhancer of Zeste 2 polycomb repressive complex 2 subunit (EZH2), and Kruppel Like Factor 2 (KLF2) were analyzed through bioinformatics analysis.

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The low allowable limit of triazine herbicides (THs) in rice makes it imperative to develop novel sample pretreatment methods for extraction and preconcentration of THs. Herein, a phosphoric acid activated biochar (PBC) was prepared and modified by chitosan (CS). For THs with different polarities, CS-PBC with multiple interaction sites exhibited satisfactory chemisorption.

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The requirement of artificial aeration for increasing nitrogen removal in vertical flow constructed wetlands (VFCWs) brings extra energy consumption and complex maintenance. The feasibility of a modular design to replace artificial aeration for partially saturated VFCWs with palm bark as a carbon source (PSVFCW-pb) to achieve water quality control, especially nitrogen removal was evaluated. The PSVFCW-pb with a spatially separate structure and perforated peripheries for better oxygen diffusion had a promising total nitrogen removal (e.

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  • A novel sensor for detecting doxycycline (DOX) uses dual emissive fluorescent graphene quantum dots and is designed for rapid, selective, and sensitive measurement.
  • The sensor operates by measuring fluorescence changes at two wavelengths, where the presence of DOX significantly quenches one fluorescence peak while only slightly affecting the other, allowing for precise detection.
  • It has a detection range from 0.04 to 100 µM and can effectively identify DOX in various samples like milk, pork, and water, making it a valuable tool for food safety and environmental monitoring.
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Acute kidney injury (AKI) is a common complication in patients with potentially life-threatening diseases, and it is also usually associated with unacceptable morbidity and mortality rates. Therefore, new and efficient therapies are urgently required to relieve AKI. It is well known that, reactive oxygen species (ROS), the NF-κB signaling pathways and pyroptosis are involved in AKI induced by ischemia/reperfusion (I/R).

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Objectives: To share our initial experience with the modified vein clamping technique for the treatment of renal cell carcinoma complicated with level I-II IVC thrombi.

Methods: From March 2018 to April 2021, 11 patients with renal cell carcinoma (RCC) involving an IVC tumour thrombus were admitted to our hospital. They all underwent laparoscopic radical nephrectomy and IVC thrombectomy (LRN-IVCTE) using a modified vein clamping technique.

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Background: Horseshoe kidney (HK) with renal stones is challenging for urologists. Although both retroperitoneal and transperitoneal laparoscopic approaches have been reported in some case reports, the therapeutic outcome of retroperitoneal compared with transperitoneal laparoscopic lithotripsy is unknown.

Aim: To assess the efficacy of laparoscopic lithotripsy for renal stones in patients with HK.

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It is prohibitively expensive to deposit customized dielectric coatings on individual optics. One solution is to batch-coat many optics with extra dielectric layers, then remove layers from individual optics as needed. Here we present a low-cost, single-step, monitored wet etch technique for reliably removing individual SiO and TaO dielectric layers, in this case from a high-reflectivity fiber mirror.

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We synthesize Au@WS2 hybrid nanobelts and investigate their third-order nonlinear responses mediated by a strong anti-Stokes effect. By using the femtosecond Z-scan technique and tuning the excitation photon energy (Eexc), we find the sign reversals of both nonlinear absorption coefficient β and nonlinear refractive index γ to be around 1.60 eV, which is prominently higher than the bandgap (1.

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Objective: To evaluate the efficacy and safety of early unclamping laparoscopic partial nephrectomy (LPN) for complex renal tumor relative to the standard artery clamping technique (SCT).

Methods: Sixty-one patients with complex renal tumor (RENAL score ≥7) underwent LPN at our institution from January 2013 to April 2017. LPN was performed via SCT in 32 patients and via the early unclamping technique (EUT) in 29 patients.

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Cancer stem cells (CSCs) is responsible for the recurrence of human cancers. Thus, targeting CSCs is considered to be a valid way for human cancer treatment. Curcumin is a major component of phytochemicals that exerts potent anticancer activities.

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Overexposure to benzidine has been manifested as an important cause of bladder cancer. However, the molecular mechanism of benzidine-induced malignancy is still insufficiently interpreted. Epithelial-mesenchymal transition (EMT) is a crucial pathophysiological process in embryonic development as well as initiation and development of epithelium-originated malignant tumors.

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