Identifcation of the FGF family as therapeutic targets and prognostic biomarkers in the microenvironment of head and neck squamous cell carcinoma.

Background: Almost 90% of head and neck malignancies are malignant squamous cell cancers, making it the sixth most common malignancy in the developing countries, with an overall five-year overall survival rate about 40%-50%. Early diagnosis and treatment can bring a better prognosis. Fibroblast growth factor (FGF) is an important polypeptide in vivo.

Equol promotes osteogenic differentiation of hPDLSCs by inhibiting oxidative stress via IL1B/NF-κB/CXCL1 signaling axis.

Oxidative stress (OS) inhibits the osteogenic differentiation of human periodontal ligament stem cells (hPDLSCs). Equol (Eq), a phytoestrogen, exhibits notable antioxidant properties and potential for preventing osteoporosis. However, the research on the regulatory effects of Eq on stem cell osteogenesis remains limited.

FGF6 inhibits oral squamous cell carcinoma progression by regulating PI3K/AKT and MAPK pathways.

To explore diagnostic and prognostic biomarkers in the progression of oral squamous cell carcinoma (OSCC) and to reveal their regulatory mechanisms in key pathways. A RayBiotech protein chip was used to screen differentially expressed serum proteins in OSCC, oral leukoplakia (OLK), and healthy participants. Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) enrichment analysis were used to determine the pathways enriched by characteristic differential proteins.

MMP7, Regulated by c-Jun, is Involved in Oral Squamous Cell Carcinoma and Associated with Cancer-Related Fibroblasts Infiltration.

Objective: This study aimed to analyze the expression of Matrix Metalloproteinase 7 (MMP7) and molecular mechanism at the Transcription Factor (TF) level in Oral Squamous Cell Carcinoma (OSCC).

Methods: MMP7 expression was preliminarily explored in Head and Neck Squamous Cell Car-cinoma (HNSCC) in the online database, followed by functional analysis and prediction of TF of MMP7. IHC was employed to detect MMP7 levels in OSCC samples.

Vascularized characteristics and functional regeneration of three-dimensional cell reconstruction of oral mucosa equivalents based on vascular homeostasis phenotypic modification.

Our prior research has effectively developed tissue-engineered vascularized oral mucosa equivalents (VOME); however, challenges such as low repeatability and stability, as well as the inability to accurately replicate the complexity of real blood vessels, were encountered. Therefore, this study aimed to screen the VOME and native oral mucosa vascular homeostasis phenotypes by tandem mass tag-tagged proteomics associated with laser capture microdissection and human angiogenesis antibody array technology. Then, lentiviruses were constructed and stably transfected with vascular endothelial-like cells (VELCs) to detect angiogenic capacity.

Significance and considerations of establishing standardized critical values for critical size defects in animal models of bone tissue regeneration.

Establishing animal models with critical size defects (CSDs) is critical for conducting experimental investigations engineering of bone tissue regeneration. Currently, a standardised protocol for establishing an animal CSDs model has not been developed. Furthermore, a consensus has not been reached regarding the critical values of CSDs.

Silencing CK19 regulates ferroptosis by affecting the expression of GPX4 and ACSL4 in oral squamous cell carcinoma in vivo and in vitro.

To analyze the mechanism of how interfering with the cytokeratin 19 (CK19) pathway via the ferroptosis pathway affects tumor biological behaviors in the process of oral squamous cell carcinoma (OSCC) development. TCGA was used to analyze the expression of CK19 in pan-cancer and head and neck squamous cell carcinoma (HNSC) and to explore the ferroptosis-related genes related to HNSC. The effect of silencing CK19 on the migration ability of HSC-4 cells was verified by wound healing and migration assay.

Sleep and mental health during the COVID-19 pandemic: findings from an online questionnaire survey in China.

Introduction: The online study investigated the sleep, psychological conditions, and risk factors during the wave of transmission of COVID-19 since December 7, 2022.

Methods: We distributed questionnaires through networking mediums to residents to gather information about COVID-19 infection, sleep, and mental status.

Results: During the extraordinary period in China, 91.

Verification of the expression trend and interaction prediction of innate immune cells and immune-checkpoint molecules in the process of oral mucosal carcinogenesis.

Objectives: This study aimed to explore the expression trends of innate immune cells and immune-checkpoint molecules validated by data calculation in the process of oral mucosal carcinogenesis, as well as to explore methods of suppressing oral mucosal carcinogenesis based on immunotherapy by predicting their interactions. 1) The cancer genome atlas (TCGA) database comprehensively scores immune cells and immune-checkpoint molecules in the process of oral mucosal carcinogenesis and screens out intrinsic immune cells and immune-checkpoint molecules that interfere with tumor immune escape. 2) Clinical patient blood routine data were collected for the statistical analysis of peripheral blood immune cells during the progression of oral mucosal carcinogenesis.

[Effect of up-regulation of Decorin on expression of EGFR, C-Myc and p21 in nude mice with oral squamous cell carcinoma].

Purpose: To explore the effect of overexpression of DCN（decorin） gene on the expression of epidermal growth factor receptor (EGFR), cellular-myelocytomatosis viral oncogene (C-Myc) and cyclin dependent kinase inhibitor (p21)in tumor-bearing nude mice with oral squamous cell carcinoma（OSCC）.

Methods: The expression of DCN gene in human oral squamous cell carcinoma(HSC-3) was up-regulated by liposome transfection. Nude mice were used as the carrier of OSCC.

Identification of the MMP family as therapeutic targets and prognostic biomarkers in the microenvironment of head and neck squamous cell carcinoma.

Background: Head and Neck Squamous Cell Carcinoma is a malignant tumor with high morbidity and mortality. The MMP family plays an important role in tumor invasion and metastasis. However, the mechanistic value of the MMP family as a therapeutic target and prognostic biomarker in HNSC has not been fully elucidated.

CGF-HLC-I repaired the bone defect repair of the rabbits mandible through tight junction pathway.

The human-like collagen I (HLC-I) combined concentrated growth factors was used to construct CGF-HLC-I composite biomaterials to repair the critical bone defect disease model of rabbit mandible. This study aimed to research the repair mechanism of CGF-HLC-I/Bio-Oss in rabbit mandibular critical bone defect, to provide a new treatment direction for clinical bone defect repair. The optimal concentration of HLC-I (0.

Heptamethine Cyanine-Based Application for Cancer Theranostics.

Cancer is the most common life-threatening malignant disease. The future of personalized cancer treatments relies on the development of functional agents that have tumor-targeted anticancer activities and can be detected in tumors through imaging. Cyanines, especially heptamethine cyanine (Cy7), have prospective application because of their excellent tumor-targeting capacity, high quantum yield, low tissue autofluorescence, long absorption wavelength, and low background interference.

Identification and validation of potential novel biomarkers for oral squamous cell carcinoma.

Our study aimed to explore potential new diagnostic biomarkers in patients with oral squamous cell carcinoma (OSCC) to find new target molecules involved in the progression of OSCC. Potential novel biomarkers of OSCC were identified using a protein microarray assay. Compared with the healthy control group, there were five proteins (I309, GDF15, AXL, MMP3, and CTACK) in the serum of in situ oral cancer group.

Study of tissue engineered vascularised oral mucosa-like structures based on ACVM-0.25% HLC-I scaffold and .

Purpose: To explore the feasibility of constructing tissue-engineered vascularised oral mucosa-like structures with rabbit ACVM-0.25% HLC-I scaffold and human gingival fibroblasts (HGFs), human gingival epithelial cells (HGECs) and vascular endothelial-like cells (VEC-like cells).

Method: Haematoxylin and Eosin (H&E) staining, immunohistochemical, immunofluorescence, 5-ethynyl-2'-deoxyuridine (EdU) staining and scanning electron microscope (SEM) were performed to detect the growth status of cells on the scaffold complex.

[Study on expression of LIM domain only protein 1 in SD rat oral buccal mucosa carcinogenesis induced by 4-nitro-quinoline N-oxide].

Objective: This work aimed to determine the expression changes in LIM domain only protein 1 (LMO1) in gene transcription and protein levels during oral squamous cell carcinoma (OSCC) development.

Methods: The tissues in this study were taken from our team's previous animal model building, and we performed hematoxylin-eosin (HE) staining on 49 cases. The pathological classification of the experiment group was determined on the basis of the abnormal epithelial hyperplasia degree.

Modulation of proliferation and differentiation of gingiva‑derived mesenchymal stem cells by concentrated growth factors: Potential implications in tissue engineering for dental regeneration and repair.

The aim of the present study was to evaluate the proliferation and osteogenic differentiation ability of gingiva‑derived mesenchymal stem cells (GMSCs) cultured with different concentrations of concentrated growth factors (CGF). GMSCs were isolated from gingival connective tissues and characterized by flow cytometry, immunofluorescence staining and immunohistochemical staining. Cell proliferation activity was determined by the MTT assay, and the effect of CGF on MCSCs was detected with the Cell Counting Kit (CCK)‑8 assay.

The antioxidant peptide SS31 prevents oxidative stress, downregulates CD36 and improves renal function in diabetic nephropathy.

Background: Oxidative stress plays an independent role in the pathogenesis of diabetic nephropathy (DN). CD36, a class B scavenger receptor, mediates reactive oxygen species (ROS) production in DN. SS31 is a mitochondria-targeted antioxidant peptide that can scavenge mitochondrial ROS.

Cytocompatibility and biologic characteristics of synthetic scaffold materials of rabbit acellular vascular matrix combining with human-like collagen I.

Scaffold material provides a three-dimensional growing environment for seed cells in the research field of tissue engineering. In the present study, rabbit arterial blood vessel cells were chemically removed with trypsin and Triton X-100 to prepare rabbit acellular vascular matrix scaffold material. Observation by He&Masson staining revealed that no cellular components or nuclei existed in the vascular intima and media after decellularization.

Study of composite vascular scaffold combining with differentiated VSMC- and VEC-like cells in vitro and in vivo.

Although research into the tissue engineering of vessels has proceeded at a tremendous pace, many deficiencies still need to be resolved. A well-adopted constructed vessel requires both functional and structural properties to stimulate the native vessel and resist stress and tension in vivo. In the present study, we developed a novel three-layer composite vascular scaffold consisting of differentiated vascular smooth muscle cell-, vascular endothelial cell-like cells, and a rabbit acellular vascular matrix (ACVM)-0.

Effects of TAZ on human dental pulp stem cell proliferation and migration.

Transcriptional coactivator with PDZ‑binding motif (TAZ) acts as the key downstream regulatory target in the Hippo signaling pathway. TAZ overexpression has been reported to promote cellular proliferation and induce epithelial‑mesenchymal transition in human mammary epithelial cells. However, the effects of TAZ in the regulation of human dental pulp stem cell (hDPSC) proliferation and migration, as well as the molecular mechanisms underlying its actions, remain to be elucidated.

Induced differentiation of human gingival fibroblasts into VSMC-like cells.

Vascular smooth muscle cells (VSMCs) are major component of the vascular wall, and they play an essential role in maintaining the basic physiological function and stable structure of the vascular wall. In the present study, human gingival fibroblasts (HGFs) were cultured and induced into VSMC-like cells in vitro to confirm that HGFs with properties of stem cells have the potential for differentiation. The epithelium isolated from patients was extracted from normal human gingiva consisting of epithelium and connective tissue.