To investigate the effect of magnesium sulfate combined with ritodrine hydrochloride on maternal and infant outcomes in patients with premature rupture of membranes (PROM), a total of 76 PROM patients admitted to our hospital from July 2021 to July 2022 were selected as the research objects, and they were divided into observation group and experimental group according to the treatment methods of the patients. The observation group consisted of 38 patients who received magnesium sulfate monotherapy, whereas the experimental group received ritodrine hydrochloride in addition to the treatment received by the patients in the observation group. The treatment effects, levels of inflammatory factors, negative emotions, as well as maternal and child outcomes, along with any adverse reactions during the medication, were compared between the two groups. The effective rate of treatment in the observation group was 78.95%, and that in the experimental group was 97.37%. The effective rate in the experimental group was significantly higher than that in the observation group ( P < 0.05). The levels of α and IFN-y were significantly lower than those of the observation group (all, P < 0.05); the SAS scores and SDS scores of the experimental group after treatment were significantly lower than those of the observation group (all, P < 0.05). The observation group showed significantly lower uterine contraction inhibition time and postpartum hemorrhage compared to the observation group, along with significantly higher gestational age extension time (all, P <0.05). In terms of neonatal outcomes, the birth weight, Apgar. The scores were significantly higher than those of the observation group, and the incidence of complications was significantly lower than that of the observation group (all, P < 0.05). The incidence of adverse reactions in the observation group was 21.05%, compared to 23.68% in the experimental group. There was no significant difference in the incidence of adverse reactions between the two groups of patients ( P > 0.05). Magnesium sulfate combined with ritodrine hydrochloride has a significant effect in the treatment of patients with PROM. The application of the combined program can effectively reduce the inflammatory response of patients, regulate the negative emotions of patients, and improve the maternal and infant outcomes of patients. Moreover, the combined program does not increase the risk of adverse reactions in patients, demonstrating its ideal safety in clinical medication.
This study aims to investigate the effect and mechanism of nystose on osteogenic differentiation of human bone marrow-derived mesenchymal stem cells (hBMSCs). hBMSCs were cultured and divided into 5 groups: a control group that received no treatment, and 4 groups treated with varying concentrations of nystose solution (0.5, 1, 5, and 10 μ g/mL). The proliferation ability of hBMSCs was tested at different culture times and different concentrations of nystose solution using cell counting kit-8 assay. Alizarin red staining was employed to examine ALP expression and calcium nodule formation in hBMSCs. Western blotting and RT-PCR were conducted to analyze the expressions of alkaline phosphatase (ALP) and Runt-related transcription factor 2 (RUNX2), as well as the levels of c-Jun N-terminal Kinase (JNK)/extracellular regulated protein kinases (ERK) pathway genes. Our findings demonstrated that increasing nystose concentration enhanced cell proliferation. Notably, compared to the control group, nystose intervention significantly elevated ALP activity and expression of osteoblast-related genes. Additionally, it was observed that nystose intervention increased phosphorylation levels of JNK1 and ERK1/2. Conversely, inhibition of JNK/ERK pathway activity reduced ALP and RUNX2 expression and calcium nodule formation, thereby inhibiting osteogenic differentiation of hBMSCs. Nystose intervention effectively regulated the osteogenic differentiation ability of hBMSCs through modulation of the JNK/ERK pathway. These results provide evidence supporting the promotion of osteogenic differentiation of hBMSCs by nystose, thus offering a promising therapeutic approach for bone-related diseases such as osteoporosis.
Peritoneal adhesions (PA), commonly occurring complications of wound healing, often lead to various medical issues, including secondary, chronic abdominal pain, small bowel obstruction and infertility. In recent years, the focus has shifted towards employing Polyethylene Glycol (PEG), known for its unique biological properties, to mitigate postoperative peritoneal adhesions. PEG stands out for its anti-adhesion capabilities, demonstrated through its surface non-adhesiveness, ability to inhibit protein adsorption and cell attachment, and its effectiveness in preventing thrombus and fibrin formation, alongside its highly adaptable properties. Consequently, researchers have explored PEGbased materials, often blending or copolymerizing them with other substances to enhance their characteristics. Various adhesion prevention techniques, including membranes, sprays, injectable hydrogels, and solutions, have been extensively studied. This article begins with an exploration of the etiology and complications of peritoneal adhesions, followed by a concise summary of recent advancements in PEG-based anti-adhesion barriers and hydrogels. Additionally, it provides critical insights and comments, laying a theoretical groundwork for future research in this field.
The respiratory system plays a crucial role in human life activities, and acute lung injury (ALI) is a highly fatal respiratory disease caused by a variety of reasons. At present, although several preclinical studies have demonstrated the efficacy of pharmacological interventions, supportive care and mechanical ventilation still remain the primary modalities for managing ALI, there are still no safe and effective treatments for ALI. With the rapid development of nanotechnology, a variety of nanobiomedicines with different structures and functional moieties have been well-designed based on their targeting ability and the pathophysiology of ALI. In this review, it summarizes the challenges faced by ALI therapy, introduces nanobiomedicines including liposomes, polymers, inorganic materials, and others to bring effective therapeutic effects for ALI, and discusses the research progress in recent years based on nanobiomedicine applied to acute lung injury. Finally, it provides a summary and prospect on the application of nanobiomedicine in ALI.
The effects of various contemporary surface conditioning methods, Non-Thermal Plasma (NTP), Rose Bengal photosensitizer (RBPS) activated by low-level laser therapy (LLLT), and Er: YAG laser, on the color change (Δ E ), surface roughness (Ra), and bond strength of Polymer-infiltrated Ceramics (PIC). One hundred discs were fabricated using PIC and categorized into four groups ( n = 15) as follows: Group 1: HFA(S), Group 2: NTP, Group 3: RBPS activated by LLLT, and Group 4: Er: YAG laser. After preparing the surface, five samples from each group were analyzed for color difference (Δ E ) surface roughness (Ra), and SBS. ANOVA was employed to compute the average and standard deviation (SD) of Δ E , Ra, and SBS. Subsequently, post hoc Tukey multiple comparisons were conducted to compare the different groups. The group of samples RBPS triggered by LLLT+HC had the highest Δ E score, while the group of HFA(S)+HC specimens had the lowest ΔE value. The specimens treated with a combination of an Er: YAG laser and HC had the highest Ra score. Collectively, the utilization of HFA+S, NTP, and Er: YAG laser yielded positive results concerning surface roughness and bond strength. Both the RBPS triggered by LLLT and Er: YAG groups exhibited noteworthy changes in the color of the specimens.
AIM : Shear bond strength (SBS), surface roughness ( Ra ), and color change (Δ E ) of Lithium disilicate (LDC) and Zirconia (Zr) after pretreating with different surface conditioners i.e., Hydrofluoric acid (HF) and silane (S), self-etching ceramic primer (SECP) and carbon dioxide laser (CO 2 ) laser. METHODS : A total of 120 discs, sixty from Group A: LDC and Group B: Zr were prepared. Each group was divided into 3 subgroups based on the method of conditioner ( n =20) A1 and B1: HF(S), A2 and B2: SECP and A3 and B3: CO 2 laser. Five discs from each Group A and B underwent Δ E evaluation. Five discs from each group after conditioning were assessed for Ra and 10 samples from each group were evaluated for SBS. ANOVA and Tukey’s post hoc test were used to compare the means and SD of SBS, Ra , and Δ E . RESULTS : The Highest Δ E was found in CO 2 laser+LDC treated samples. The lowest Δ E was observed in HF(S)+Zr group. Samples pretreated with CO 2 laser+LDC showed the maximum Ra and SBS. Conversely, discs conditioned with SECP+Zr exhibited minimum Ra . CONCLUSION : CO 2 laser exhibited satisfactory outcomes on the bond integrity of resin cement to LDC and Zr. However, it should be used with caution because of the color change observed after its application.
Assessment of the micro tensile bond strength (μTBS) and microleakage of contemporary restorative materials (Cention N cement (CN), Bulk-fill Resin-based composite (BF-RBC), and Zirconomer Improved) bonded to carious affected dentin (CAD) of primary molars as compared to conventional control Glass ionomer cement (GIC). Eighty human primary molars having scores 4 and 5 of the International Caries Detection and Assessment System (ICDAS) were included. Specimens were randomly allocated into four groups (n = 20) Group I = GIC, Group 2: Zirconomer Improved, Group 3: CN, and Group 4: BF-RBC. All the samples were thermocycled followed by marginal leakage, μTBS, and failure mode assessment using a dye penetration test, universal testing machine, and a stereomicroscope. The μTBS and microleakage results were examined using (ANOVA) and Tukey post hoc tests. Samples from Group 1 (GIC) revealed the highest value of marginal leakage (30.55±10.31 nm) and the lowest recorded value of μTBS (12.28±0.32 MPa). In contrast, the specimens from Group 3 (CN) demonstrated the lowest levels of microleakage (14.89±4.33 nm) and highest bond integrity (18.12±0.79 MPa). Cention N cement and Bulk-fill composite have shown to be reliable options as a restorative material in primary dentition due to their superior tensile bond strength and reduced marginal leakage scores when applied to caries-affected dentin.
This review thoroughly investigates the latest developments and challenges of nanobiomaterials in bone regeneration. It begins by elucidating the fundamental properties of nanomaterials and their unique role in promoting bone cell proliferation and differentiation. The review further explores innovative applications of nanobiomaterials in enhancing bone regeneration efficiency, and reducing immune reactions and toxicity, while also discussing the current technological limitations and future possibilities. Conclusively, the article predicts the future applications of nanobiomaterials in bone regeneration treatments, especially highlighting their potential role in personalized medicine and bioprinting technologies.
To assess lidocaine’s combined impact with a self-crafted hot compress cuff in diminishing venous indwelling needle injuries during otolaryngology surgeries. 70 patients undergoing otolaryngology surgeries at our hospital between July 2020 and September 2022 were chosen. All underwent venous indwelling needle procedures. Equally divided into an control group (CG) and an experimental group (EG), each with 35 cases, the CG received standard intervention with lidocaine, while the EG received additional self-made hot compress sleeves. Evaluation parameters included changes in skin temperature at the infusion site, needle indwelling duration, phlebitis incidence, needle blockage, pain, and comfort. The EG exhibited significantly higher skin temperatures at the infusion site compared to the CG (P <0.05). Needle indwelling duration was notably prolonged in the EG versus the CG (P <0.05). Phlebitis incidence was notably lower in the EG (14.29%) than the CG (37.14%) (P <0.05). No significant difference was found in needle blockage rates between groups (25.71% in CG, 17.14% in experimental) (P > 0.05). Pain scores were notably lower, and comfort scores were higher in the EG (all, P < 0.05). Combining lidocaine with a self-made hot compress cuff significantly mitigates venous indwelling needle injuries in otolaryngology surgeries. This combined approach enhances skin temperature, extends needle indwelling time, reduces phlebitis and needle blockage risks, alleviates patient discomfort, and elevates overall comfort during venous indwelling needle procedures.
Background: The paper aimed to explore the effect of Tetrahydropalmatine on the activation of NLRP3 inflammasomes in BV-2 cells and its mechanism in vitro. Material and methods: ELISA determine the IL-1β and IL-18 in the BV-2 cell culture medium of each group. WB was employed to detect NLRP3 inflammasome-related components including NLRP3, ASC, NEK7 and Caspase-1, as well as p-NF-κB, NF-κB, p-Iκ-Bα and Iκ-Bα in cell lysates of each group. The effects of Tetrahydropalmatine on NLRP3 inflammasome activation and NF-κB signaling pathway were analyzed. Immunofluorescence labeling method was used to detect the expressions of NLRP3 in BV-2 cells in each group. Mito-tracker Red labeled mitochondrial confocal microscope was employed to observe and evaluate mitochondrial damage. Fluorescent probe DCFH-DA was used to label cells. Flow cytometry technology was applied to detect ROS production and evaluate the effect of Tetrahydropalmatine on ROS production. Results: After Tetrahydropalmatine treatment, p-NF-κB/NF-κB and p-Iκ-Bα/Iκ-Bα were significantly lower than that in the model group. Tetrahydropalmatine can inhibit the production of ROS and improve the mitochondrial membrane potential. Conclusion: Tetrahydropalmatine can mitigate mitochondrial damage, reduce ROS production, and inhibit the NF-κB signaling pathway, thereby inhibiting the activation of NLRP3 inflammasomes in BV-2 cells.
The present study aimed to evaluate the predictive value of conventional ultrasound signs and serological indices in the detection of neck lymph node metastasis in papillary thyroid cancer (PTC). A total of 80 patients with PTC scheduled for surgery in our hospital between August 2019 and December 2022 were recruited. Patients with neck lymph node metastasis were categorized as the experimental group, and patients without neck lymph node metastasis were included in the control group. Patients’ ultrasound signs were analyzed, and serological indices were determined. Logistic analysis was performed to determine the risk factors for the development of postoperative neck lymph node metastasis in papillary thyroid cancer, and the receiver operating characteristic (ROC) curve was employed to assess their diagnostic efficiency. Significant differences were observed in the number of lesions, nodule size, calcification, blood flow RI, and PI values comparison between the two arms ( P < 0.05), while no significant differences were found in other ultrasound signs ( P > 0.05). Patients with neck lymph node metastasis exhibited significantly higher serum concentrations of thyroid stimulating hormone (TSH) and anti-thyroglobulin antibodies (TG-Ab) versus those without metastasis ( P < 0.05). Nodule size, number of lesions, and serum TSH level were independent risk factors for metastasis in neck lymph nodes in patients with papillary thyroid cancer ( P <0.05). Conventional ultrasound signs, combined with serologic indices, demonstrated the highest diagnostic efficiency for predicting neck lymph node metastasis in patients with papillary thyroid cancer. These findings showed a sensitivity of 0.868, specificity of 0.894, and an area under the ROC curve (AUC) of 0.918. Additionally, the Jorden index was calculated to be 0.761. Analysis revealed that nodule size, number of lesions, and serum TSH concentration were independent risk factors for neck lymph node metastasis in papillary thyroid cancer patients. The combination of conventional ultrasound signs and serologic indices provided a higher diagnostic value compared to using a single diagnostic modality, thus indicating promising clinical benefits.
Final root canal disinfectants Temoporfin, Femtosecond (FS) laser, and Chitosan nanoparticles (NPs) on marten hardness (MH), modulus of elasticity (EIT), and push-out bond strength (PBS) of glass fiber reinforced post (GFRP) to the root dentin. Sixty caries-free single-rooted human premolars were decoronated and a root canal was performed followed by post space. The specimens were then arbitrarily allocated into groups according to the final disinfectant used. Group 1: 17% EDTA, Group 2: Temoporfin, Group 3: FS laser and Group 4: Chitosan NPs. Evaluation of mechanical properties (MH and EIT) was performed on five samples from each group. Ten samples from each group were bonded with GFRP and sectioned. A universal testing machine and stereomicroscope were used to analyze the PBS and failure mode. Means and standard deviations (SD) of MH, EiT, and PBS were assessed using ANOVA and post hoc Tukey. The highest values of MH and EiT were revealed by 5.25% NaOCl+Chitosan NP samples. The lowest scores of MH and EiT were presented by samples irrigated with 5.25% NaOCl+17% EDTA. The coronal section of samples treated with 5.25% NaOCl+Chitosan NPs showed the highest EBS. Chitosan NPs and FS laser have proved to be valuable alternatives to EDTA as both improved PBS without deteriorating the MH and EiT.
This study aims to analyze the significance of CT examinations in elucidating the imaging manifestations of acute high-altitude pulmonary edema (HAPE). A cohort of 200 patients with acute HAPE, attending the clinic between January 2021 and January 2022, constituted the subjects. Employing distinct examination methods, participants were categorized into a control group (undergoing X-ray examinations, n = 100) and an observation group (undergoing CT examinations, n = 100). Comprehensive patient data were collected, facilitating a comparative analysis of examination results, diagnosis rates, imaging features, and related indicators between the two groups. No statistically significant differences were evident, signifying comparable profiles (P >0.05). However, the observation group exhibited significantly superior examination outcomes compared to the control group (P < 0.01). The diagnostic rate in the observation group reached 98.00%, surpassing the control group’s nursing efficiency at 92.00%. This observed superiority of the observation group was statistically significant (P < 0.01). While both X-ray and CT methods detected high-altitude pulmonary edema, CT examinations provided clearer insights into specific lesions, enhancing accuracy and diagnosis rates. This study underscores the paramount significance of high-altitude pulmonary edema examinations, particularly advocating for the widespread adoption of CT technology.
As is well known, autophagy activation is associated with the progression of oral squamous cell carcinoma (OSCC) cells, and regulating the development of autophagy is beneficial for improving cancer treatment. ATG5 plays an irreplaceable role in autophagy and many important processes of cell, can be used as a therapeutic target for tumors. We use G0-C14 cationophore, which efficiently carries siATG5 to form stable nanoparticles (siA/NPs). SiA/NPs successfully escapes lysosomes, releases siATG5 and efficiently silences ATG5, has a certain OSCC lethality. This provides a direction for the targeted autophagy treatment of future OSCC therapy.
This study aimed to assess the efficacy of preventive measures against catheter-associated bloodstream infections in hemodialysis patients. Seventy patients undergoing hemodialysis treatment at our hospital from January 2020 to January 2023 were recruited and randomly assigned in a 1:1 ratio to receive either conventional nursing (control group) or targeted preventive nursing (observation group), with 35 cases in each group. Outcome measures for nursing effects assessment included nursing outcomes, the incidence of catheter-related bloodstream infections, patient stress, and quality of life. Targeted preventive nursing demonstrated a significantly lower incidence of catheter-related bloodstream infection and adverse catheter events compared to conventional care (P <0.05). Moreover, targeted preventive nursing significantly reduced catheter retention duration in comparison to conventional care (P <0.05). The higher quality of nursing associated with targeted preventive nursing was evident in the elevated nursing quality scores (P <0.05). Patients who underwent targeted preventive nursing exhibited milder stress compared to those receiving routine care, as indicated by lower hemodialysis stress scale (HSS) scores (P <0.05). Furthermore, the observation group, receiving targeted preventive nursing, reported higherWorld Health Organization quality of life (WHOQOL-BREF) scores than the control group, suggesting an improved quality of life (P <0.05). Targeted preventive care for catheter-associated bloodstream infections in hemodialysis patients not only fortifies the rigor and standard of care but also effectively reduces the infection rate, shortens catheter retention time, alleviates patient stress, and enhances their overall quality of care and survival.
This study aimed to investigate the efficacy of an in-office dental bleaching agent (with 40% H 2 O 2 ) on the simulated stained remineralized lesions of teeth using tea and coffee as staining solutions. Forty-eight sound premolar teeth were selected, root amputated, and embedded in a self-curing acrylic resin. Half of the samples were immersed in a tea solution and the remaining half were immersed in a coffee solution for 4 days ( n = 24). From each study group, half of the samples went through the bleaching process, and the remaining half served as a control. The color change was observed with a paired t -test and two-way ANOVA ( α = 0.05). The ANOVA findings observed a significant effect on the ΔΕ value ( p =< .001) due to independent factors. Additionally, individual stages, i.e., time points such as baseline, demineralization, staining, re-mineralization, and bleaching had a significant effect on ΔΕ value ( p =<.001). The t -test results observed significant variations between ΔΕ values of bleached and not bleached groups after the staining and remineralization process, irrespective of the staining solution used. It’s crucial to abstain from coffee and tea during and shortly after bleaching until thorough remineralization therapy is completed.
To carry out bibliometric analysis on stem cell transplantations for premature ovarian insufficiency (POI), and quickly grasp the clinical significance and potential of stem cell transplantation in the treatment of POI, the current study used the Web of Science core collection to retrieve relevant literature using keywords “stem cells” and “primary ovarian dysfunction”. VOSviewer was used for network visualization analysis of key words, authors, institutions, and countries. The results showed that, annual publications increased steadily from 2000 to 2023 with some fluctuations. China, Shanghai Jiao Tong University, and “Human Reproduction” are the countries, organizations, and journals with the highest output. The keyword map reflects that fertility preservation and hormone replacement therapy are currently hot topics in the treatment of POI. Mesenchymal stem cells (MSCs) and in vitro activation may have the highest potential to be applied in the future. Based on the current bibliometric analysis, the study on clinical efficacy, prognosis, and mechanism of POI treatment using MSCs and their exosomes is a research hotspot with great potential in this field.
In recent years, nanomedicine delivery systems have shown unique advantages in treating various diseases, especially for tumor diseases. Our study synthesized reactive oxygen species (ROS) responsive phospholipid DSPE-TK-PEG2000 and constructed ROS responsive liposomes loaded with alendronate using thin-film hydration method. Dynamic light scattering (DLS) showed that the liposomes had good nanoparticle size and polydispersity index (PDI), negative zeta potential and transmission electron microscope (TEM) also showed that the liposomes had a spherical appearance and nanoscale size. In vitro release experiments confirmed their ROS responsive release ability. Through lyophilization procedure and resconstituted the liposomes, and placing at room temperature for 8 days, we found no significant changes in the appearance and DLS of the material, proving that alendronate liposomes are relatively stable. Bone marrow derived macrophages (BMMs) cytotoxicity experiments have shown that alendronate liposomes did not exhibit cytotoxicity at concentrations below 10−5 M. Meanwhile, Western blotting suggested that drug loaded liposomes could inhibit osteoclast associated proteins. The above studies indicated the potential of ROS responsive alendronate liposomes in inhibiting osteoclasts in multiple myeloma.
Abnormal expression of miR-497 is related to the progression of septic renal injury. This study aimed to identify the protective effect of miR-497 on septic renal injury and immune function. We established a rat model of septic renal injury with sham-operated group and treated rats with culture solution of miR-497, gentianella acuta (positive control group), miR-497 plus JAK/STAT pathway agonist, and distilled water (model group). After treatment, urine output and renal histopathological changes were detected. Flow cytometry and RT-qPCR determined the levels of serum Scr, BUN, KIM-1, NGAL, IgG, IgA, and IgM, and evaluated the CD4+T, CD8+T, NK cell activity. Western blot assessed the activity of JAK/STAT signaling pathway. The model group and pathway agonist group had the highest 24-hour urine output, serum Scr, BUN, KIM-1, and NGAL levels, followed by miR-497 group and positive control group, and sham-operated group. The CD4+T, and NK cell activity was reduced with a drop in IgG, IgA, IgM levels in rats with septic renal injury, but treatment with miR-497 or gentianella acuta restored the cell activity and Ig levels and addition of JAK/STAT pathway agonist would further decrease the immune cell activity. There was no difference between the model group and pathway agonist group, miR-497 group and positive control group (p < 0.05). Following miR-497 group, and sham-operated group, the expression of miR-497 in model group, pathway agonist group, and positive control group was lowest (p < 0.05). As the expression of JAK and STAT did not vary among five groups (p > 0.05), we found highest expression of p-JAK and p-STAT levels in model group, positive control group, and pathway agonist group, and lowest expression in sham-operated group. miR-497 inhibits the activity of JAK/STAT signaling, up-regulates the activity of CD4+T, NK cells and levels of IgG, IgA, IgM, while inhibiting CD8+T cells activity to improve immune function. In conclusion, miR-497 attenuates septic kidney injury through inhibiting KIM-1 and NGAL expression, indicating that miR-497 and JAK/STAT pathways may be potential therapeutic targets for treating septic kidney injury.
