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leasing sandwich-structured fresh water fish collagen wound dressing that has the potential to serve as an ideal surgical site infection protection and/or treatment agent.

The screw and cement technique is a convenient method used to rebuild medial tibial plateau defects in primary total knee arthroplasty (TKA). The objective of this study was to perform a finite element assessment to determine the effect of different numbers of screws on the stability of TKA and to determine whether differences exist between two different insertion angles.

Six tibial finite element models with defects filled with screws and cement and one model with defects filled only with cement were generated. Contact stresses on the surface of cancellous bone in different areas were calculated.

Compared to the cement-only technique, the stress on the border of cancellous bone and bone cement decreased by 10% using the screw and cement technique. For bone defects with a 12% defect area and a 12-mm defect depth, the use of 1 screw achieved the greatest stability; for those with a 15% defect area and a 20-mm defect depth, 2 screws achieved the greatest stability.

(1) The screw and cement technique is superior to the bone cement-only technique. For tibial defects in which the defect area comprises a large percentage but the depth is less than 5 mm, the screw and cement technique is recommended. (2) Vertical screws can achieve better stability than oblique screws. (3) Screws should be used in moderation for different defects; more is not always better.

(1) The screw and cement technique is superior to the bone cement-only technique. For tibial defects in which the defect area comprises a large percentage but the depth is less than 5 mm, the screw and cement technique is recommended. (2) Vertical screws can achieve better stability than oblique screws. (3) Screws should be used in moderation for different defects; more is not always better.Previous studies have shown the therapeutic properties of ginseng and ginsenosides on hyperactive and impulsive behaviors in several psychiatric diseases. Herein, we investigated the effect of Panax ginseng Meyer (PG) on hyperactive/impulsive behaviors in a manic-like animal model, sleep deprivation (SD) rats. Male rats were sleep-deprived for 48 h, and PG (200 mg/kg) was administered for 4 days, from 2 days prior to the start of SD to the end date of SD. The elevated plus maze (EPM) test showed that PG alleviated the increased frequency of entries into and spent time within open arms by SD. In order to investigate the molecular mechanism on this effect of PG, we assessed differentially expressed genes (DEGs) in the prefrontal cortex of PG-treated SD rats using RNA sequencing (RNA-seq) and performed gene-enrichment analysis for DEGs. The gene-enrichment analysis showed that PG most prominently affected the glutamatergic synapse pathway. Among the glutamatergic synapse pathway genes, particularly, PG enhanced the expressions of glutamate transporter Slc1a3 and Slc1a2 reduced in SD rats. Moreover, we found that PG could inhibit the SD-induced phosphorylation of the NR2A subunit of the NMDA receptor. These results suggested that PG might have a therapeutic effect against the manic-like behaviors, regulating the glutamatergic neurotransmission.Schisandra chinensis, which has a high development value, has long been used as medicine. Its mature fruits (called Wuweizi in Chinese) have long been used in the famous traditional Chinese medicine (TCM) recorded in the "Chinese Pharmacopoeia." Chloroplasts (CP) are the highly conserved primitive organelles in plants, which can serve as the foundation for plant classification and identification. read more This study introduced the structures of the CP genomes of three Schisandraceae species and analyzed their phylogenetic relationships. Comparative analyses on the three complete chloroplast genomes can provide us with useful knowledge to identify the three plants. In this study, approximately 5 g fresh leaves were harvested for chloroplast DNA isolation according to the improved extraction method. A total of three chloroplast DNAs were extracted. Afterwards, the chloroplast genomes were reconstructed using denovo combined with reference-guided assemblies. General characteristics of the chloroplast genome and genome comparison with three Schisandraceae species was analyzed by corresponding software. The total sizes of complete chloroplast genomes of S. chinensis, S. sphenanthera, and Kadsura coccinea were 146875 bp, 146842 bp, and 145399 bp, respectively. Altogether, 124 genes were annotated, including 82 protein-coding genes, 34 tRNAs, and 8 rRNAs of all 3 species. In SSR analysis, only S. chinensis was annotated to hexanucleotides. Moreover, comparative analysis of chloroplast Schisandraceae genome sequences revealed that the gene order and gene content were slightly different among Schisandraceae species. Finally, phylogenetic trees were reconstructed, based on the genome-wide SNPs of 38 species. The method can be used to identify and differentially analyze Schisandraceae plants and offer useful information for phylogenetics as well as further studies on traditional medicinal plants.Quality of recovery after anesthesia is an important measure of the early postoperative health status of patients. The Quality of Recovery-15 (QoR-15) questionnaire is a self-rated questionnaire used to assess the quality of postoperative recovery. This study is aimed at translating and validating the Korean version of QoR-15 (QoR-15K). One hundred fifty patients were included in this study. We translated the original version of QoR-15 into QoR-15K and evaluated its validity, reliability, responsiveness, and clinical feasibility. QoR-15K showed acceptable criterion, structure, and construct validities. Reliability was verified using Cronbach's α (0.856), standard error of measurement (10.78), split-half reliability (0.831), test-retest reliability (ρ = 0.945, P ≤ 0.001), and intraclass correlation test-retest (ρ = 0.903, P ≤ 0.001). These results represent an acceptable reliability. Responsiveness was verified using Cohen's effect size (1.39), standardized response mean (1.03), and the correlation between QoR-15K score and duration of anesthesia (ρ = -0.