Publications by authors named "Zhechen Zhu"

Article Synopsis
  • - This paper focuses on optimizing the stabilization of a macro-micro positioning stage (MMCPS) using a dynamic model rooted in Newton's second law, addressing the control of errors during positioning to ensure effective collaboration between its components.
  • - The authors implement a reinforcement learning approach, utilizing actor-critic neural networks, to enhance controller performance while managing the forces exerted by voice coil motors (VCM) and piezoelectric actuators for vibration reduction.
  • - A novel performance function is introduced to maintain the system's axis displacements within a predetermined range and time frame, proving the system's stability and showing successful simulation results that validate the proposed algorithm.
View Article and Find Full Text PDF

Diabetic foot ulcers (DFUs) are serious skin injuries whereby the wound healing process is frequently stalled in the inflammatory phase. Currently, there is a lack of effective therapeutic strategies. MCC950, a highly selective nod-like receptor family pyrin domain containing 3 (NLRP3) inhibitor, has been reported to show strong anti-inflammation effects in many diseases.

View Article and Find Full Text PDF

Biomedical evidence has demonstrated the relevance of microRNA (miRNA) dysregulation in complex human diseases, and determining the relationship between miRNAs and diseases can aid in the early detection and prevention of diseases. Traditional biological experimental methods have the disadvantages of high cost and low efficiency, which are well compensated by computational methods. However, many computational methods have the challenge of excessively focusing on the neighbor relationship, ignoring the structural information of the graph, and belittling the redundant information of the graph structure.

View Article and Find Full Text PDF

Background: The pathophysiology of severe burn injuries in the early stages involves complex emergency responses, inflammatory reactions, immune system activation, and a significant increase in vascular permeability. Neutrophils, crucial innate immune cells, undergo rapid mobilization and intricate pathophysiological changes during this period. However, the dynamic alterations and detailed mechanisms governing their biological behavior remain unclear.

View Article and Find Full Text PDF

Currently, the role of liquid-liquid phase separation (LLPS) in cancer has been preliminarily explained. However, the significance of LLPS in breast cancer is unclear. In this study, single cell sequencing datasets GSE188600 and GSE198745 for breast cancer were downloaded from the GEO database.

View Article and Find Full Text PDF

Conductive yarns have emerged as a viable alternative to metallic wires in e-Textile devices, such as antennas, inductors, interconnects, and more, which are integral components of smart clothing applications. But the parasitic capacitance induced by their micro-structure has not been fully understood. This capacitance greatly affects device performance in high-frequency applications.

View Article and Find Full Text PDF

Breast reconstruction can be divided into prepectoral breast reconstruction (PPBR) and subpectoral breast reconstruction (SPBR) according to the implant plane. The original prepectoral breast reconstruction was abandoned for a long time due to the frequent and severe complications. Now, advances in materials technology and improved methods of mastectomy have made safe prepectoral breast reconstruction possible.

View Article and Find Full Text PDF

The function and heterogeneity of neutrophils in neonatal umbilical cord blood (UCB) have not been characterized. In this study, we analyzed the neutrophils in UCB and healthy adults using single-cell RNA sequencing analysis for the first time. We found that neutrophils divided into six subpopulations (G2, G3, G4, G5a, G5b, and G5c) with different marker genes and different functions under homeostasis.

View Article and Find Full Text PDF

Background: RecQ mediated genome instability 2 () is an essential component of the BLM-TopoIIIa-RMI1- (BTR) complex. However, the mysterious veil of the potential immunological relationship of in tumorigenesis and development has not been revealed.

Methods: We conducted the differential expression (DE) analysis of the in pan-cancer using data onto Oncomine, TIMER, and GEPIA databases.

View Article and Find Full Text PDF

Hepatocellular carcinoma (HCC) is one of the most common cancers in the world and is often associated with a poor prognosis. The main reason for this poor prognosis is that inconspicuous early symptoms lead to delayed diagnosis. Treatment options for advanced HCC remain limited and ineffective.

View Article and Find Full Text PDF

Background: Current studies have revealed that RNA-binding protein RBM38 is closely related to tumor development, while its role in malignant melanoma remains unclear. Therefore, this research aimed to investigate the function of RBM38 in melanoma and the prognosis of the disease.

Methods: Functional experiments (CCK-8 assay, cell colony formation, transwell cell migration/invasion experiment, wound healing assay, nude mouse tumor formation, and immunohistochemical analysis) were applied to evaluate the role of RBM38 in malignant melanoma.

View Article and Find Full Text PDF

Neutrophils release neutrophil extracellular traps (NETs) to capture and kill pathogens, but excessive NET release can damage the surrounding tissues. Myeloperoxidase (MPO) and neutrophil elastase (NE) are thought to be important in promoting histone depolymerization and DNA breakage in the nucleus. However, the detailed path by which MPO and NE enter the nucleus is unknown.

View Article and Find Full Text PDF

The pathophysiological mechanisms, especially the roles of immune cells, underlying early stages of severe burn injury have not yet been fully clarified. Here, we analyzed circulating neutrophils (PMNs) in healthy donors and early burned patients by single-cell RNA sequencing to provide a comprehensive transcriptional landscape of PMNs in heterogeneity and functional multiplicity. Circulating PMNs in the healthy donors and burned groups were divided into five subgroups (G3, G4, G5a, G5b, G5c) with different functions.

View Article and Find Full Text PDF

Plakophilins (PKPs) act as a key regulator of different signaling programs and control a variety of cellular processes ranging from transcription, protein synthesis, growth, proliferation, and tumor development. The function and possible mechanism of PKP3 in ovarian cancer (OC) remain unknown. It is extremely important to investigate the expression and prognostic values of PKP3, as well as their possible mechanisms, and immune infiltration in OC.

View Article and Find Full Text PDF

Purpose: To construct a prognosis model of melanoma based on pyroptosis related genes.

Methods: Melanoma RNA-sequencing data was downloaded from TCGA. First, the lnRNAs related to pyroptosis were obtained through Pearson correlation analysis.

View Article and Find Full Text PDF

Implant-related breast reconstruction can be divided into subpectoral breast reconstruction (SPBR) and prepectoral breast reconstruction (PPBR) according to the different anatomical planes. The previous stereotype was that PPBR had a high complication rate and was not suitable for clinical use. However, with the emergence of acellular dermal matrix (ADM), the clinical effect of PPBR has been improved.

View Article and Find Full Text PDF

Metabolic reprogramming is common in various cancers. Targeting metabolism to treat tumors is a hot research topic at present. Among them, changes in glucose metabolism in cancer have been widely studied.

View Article and Find Full Text PDF

Melanoma is a type of cancer with a relatively poor prognosis. The development of immunotherapy for the treatment of patients with melanoma has drawn considerable attention in recent years. It is of great clinical significance to identify novel promising prognostic biomarkers and to explore their roles in the immune microenvironment.

View Article and Find Full Text PDF

It has been suggested that the adenosine triphosphate‑binding cassette sub‑family C member 11 (ABCC11) gene polymorphism and apolipoprotein D (ApoD), an odor precursor carrier, may be important in the formation of axillary odor. To date, few studies have examined the potential correlation between these two factors. The present study aimed to investigate the association between a 538 G>A single‑nucleotide polymorphism (SNP) of the ABCC11 gene and the mRNA expression levels of ApoD in the apocrine gland of patients with osmidrosis.

View Article and Find Full Text PDF