BACKGROUND:Repetitive trans-spinal magnetic stimulation(rTSMS)can inhibit inflammatory responses following spinal cord injury.rTSMS applies magnetic field stimulation to the spinal cord region to modulate neuronal excitability and synaptic transmission,thereby promoting plasticity and repair of the nervous system. OBJECTIVE:To observe the effects of rTSMS on the Toll-like receptor 4(TLR4)/nuclear factor(NF)-κB/NLRP3 signaling pathway after spinal cord injury and explore its mechanism in promoting motor function recovery. METHODS:Male C57BL/6J mice,SPF grade,were randomly divided into sham surgery group,spinal cord injury group,and rTSMS group.The latter two groups of mice were anesthetized and the T9 vertebral plate was removed using rongeur forceps to expose the spinal cord,and the spinal cord was clamped using a small aneurysm clip for 20 seconds to establish the spinal cord injury model.Mice in the rTSMS group underwent a 21-day rTSMS intervention starting on day 1 after spinal cord injury.The stimulation lasted 10 minutes per day,5 days per week with an interval of 2 days.Basso Mouse Scale scores were used to assess motor function recovery in mice after spinal cord injury at 1,3,7,14,and 21 days after spinal cord injury.Western blot was employed to detect the expression of AQP4,apoptotic factors Bax,Bcl-2,CL-Caspase-3,inflammatory factors tumor necrosis factor-α,interferon-γ,interleukin-6,interleukin-4,and the TLR4/NF-κB/NLRP3 signaling pathway related proteins in the injured spinal cord.Oxidative stress assay kit was used to measure the activity of superoxide dismutase,glutathione peroxidase,and malondialdehyde content at the site of spinal cord injury.Immunofluorescence staining was performed to detect the expression of neuronal nuclei(NeuN). RESULTS AND CONCLUSION:The Basso Mouse Scale score in the rTSMS group was significantly higher than that in the spinal cord injury group(P<0.05).Compared with the spinal cord injury group,the rTSMS group showed a reduction in spinal cord water content.The expression of AQP4 protein,malondialdehyde content,and expression of Bax,Bcl-2,CL-Caspase-3,tumor necrosis factor-α,interferon-γ,interleukin-6,and TLR4/NF-κB/NLRP3 signaling pathway related proteins were all decreased in the rTSMS group,while the activities of superoxide dismutase and glutathione peroxidase,as well as the expression of Bcl-2,interleukin-4,and NeuN,were all increased(P<0.05).These results suggest that rTSMS downregulates the expression of proteins related to the TLR4/NF-κB/NLRP3 signaling pathway,alleviating symptoms after spinal cord injury such as spinal cord edema,oxidative stress,apoptosis,and inflammation,exerting neuroprotective effects,and thereby promoting the recovery of hindlimb motor function after spinal cord injury.

Objectives:To evaluate the efficacy of percutaneous vertebroplasty(PVP)combined with facet joint block(FJB)in treating distal lumbosacral pain(DLP)in patients with osteoporotic thoracolumbar vertebral fractures(OTVF).Methods:A retrospective analysis was conducted on 80 patients with OTVF accompanied with DLP treated in our hospital from January 2022 to July 2023.Among the patients,40 were treated with PVP(PVP group),including 7 males and 33 females,aged 75.2±6.0(65-89)years old;And 40 were treated with PVP and FJB(PVP+FJB group),including 11 males and 29 females,aged 76.6±6.6(62-89)years old.The complications were observed and compared between the two groups.The visual analogue scale(VAS)score and Oswestry disability index(ODI)were analyzed and compared preoperatively and at 1d,1 month,and 6 months postoperatively to assess the pain status and quality of life of the patients.Results:All the patients successfully completed operation without complictions.The follow-up period ranged from 3 to 12 months,with an average of 7.2±2.6 months.The VAS score and ODI were improved in both groups after operation,and the differences compared with before operation were statistically significant(P＜0.05).At postoperative 1d and 1 month,the PVP+FJB group showed significant improvement in VAS score and ODI comparing to the PVP group,with statistically significant differences(P＜0.05).However,at 6 months postoperatively,there was no statistically significant difference in VAS score and ODI between the two groups(P＞0.05).Conclusions:PVP combined with FJB has a good clinical effect in the treatment of OTVF with DLP.

Background: MicroRNAs (miRNAs) exert an essential contribution to obesity and type 2 diabetes mellitus (T2DM). This study aimed to investigate the differences of miRNAs in the presence and absence of T2DM in patients with obesity, as well as before and after bariatric surgery in T2DM patients with obesity. Characterization of the common changes in both was further analyzed. Methods: We enrolled 15 patients with obesity but without T2DM and 15 patients with both obesity and T2DM. Their preoperative clinical data and serum samples were collected, as well as 1 month after bariatric surgery. The serum samples were analyzed by miRNA sequencing, and the miRNAs profiles and target genes characteristics were compared. Results: Patients with T2DM had 16 up-regulated and 32 down-regulated miRNAs compared to patients without T2DM. Improvement in metabolic metrics after bariatric surgery of T2DM patients with obesity was correlated with changes in miRNAs, as evidenced by the upregulation of 20 miRNAs and the downregulation of 30 miRNAs. Analysis of the two miRNAs profiles identified seven intersecting miRNAs that showed opposite changes. The target genes of these seven miRNAs were substantially enriched in terms or pathways associated with T2DM. Conclusion We determined the expression profiles of miRNAs in the obese population, with and without diabetes, before and after bariatric surgery. The miRNAs that intersected in the two comparisons were discovered. Both the miRNAs discovered and their target genes were closely associated with T2DM, demonstrating that they might be potential targets for the regulation of T2DM.

Sarcopenia,also known as"oligomyositis""hypomyositis"and"muscle wasting",is an age-related geriatric syndrome characterized by decreased muscle mass,muscle strength and function decline.It can increase the risk of adverse out-comes such as physical disability,poor quality of life,and death.The pathogenic factors of sarcopenia mainly include older age,diseases,lack of exercise,malnutrition,etc.As one of the key factors affecting sarcopenia,the nutritional status of the body play an important role in the development of sarcopenia.Therefore,this paper reviews the role of nutrition in sarcopenia and nutritional interventions for patients with common chronic diseases combined with sarcopenia,aiming to provide a basis for the developing more scientific and rationalized nutritional intervention program for elderly patients with sarcopenia.

Objective:To investigate the clinical efficacy of percutaneous vertebral-disc plasty (PVDP) in the treatment of very severe osteoporotic vertebral compression fractures (vsOVCF).Methods:A total of 26 patients with vsOVCF were treated by PVDP at Department of Spine Surgery, The Second Affiliated Hospital, Nantong University from November 2019 to August 2021. They were 8 males and 18 females with an age of (77.9±5.2) years. Fracture sites: T11 in 9 cases, T12 in 13 cases, L1 in 7 cases, and L2 in 2 cases. The loss of vertebral height exceeded 2/3 of its original height. The curative effects were evaluated by comparing the visual analogue scale (VAS), Oswestry disability index (ODI) and local kyphosis angle (LKA) at preoperation, 1 day postoperation and the last follow-up.Results:This cohort was followed up for 12(10, 15) months. No obvious neurological damage or other serious complications occurred. The VAS scores [(2.9±0.7) and (2.2±0.7) points] and ODIs [28.0%±4.8% and 16.9%±4.0%] at 1 day postoperation and the final follow-up were significantly lower than the preoperative values respectively [(6.7±0.8) points and 66.7%±6.0%], and the values at the last follow-up were significantly lower than those at 1 day postoperation ( P<0.05). The LKAs at 1 day postoperation and the last follow-up (18.1°±4.1° and 19.5°±4.4°) were significantly smaller than that before operation (32.0°±5.2°) ( P<0.05), but there was no significant difference between 1 day postoperation and the last follow-up in LKA ( P>0.05). Conclusion:PVDP is an effective surgical treatment of vsOVCF, because it can relieve pain and improve local kyphosis with satisfactory clinical outcomes.

Abstract Vaccination is the most effective prevenative measure against infectious diseases. As guardians of minor children, parental attitudes have a decisive influence on children s vaccination. Therefore, it is very important to understand parental attitudes and preference towards the vaccination of minor children in COVID-19 for the successful implementation of vaccination. In this study, the current situation and associated factors of parental COVID-19 vaccine hesitancy for children. It was found that parental vaccine hesitation was mainly influenced by factors related to parents, children, vaccination and information process. Parents should be guided to obtain information through authoritative channels and treat vaccination correctly. At the same time, medical staff should play an important role in health education, submit correct immunisation information, reduce vaccine hesitancy, and promote herd immunity.

Objective To investigate the function of tripartite motif protein 22 (TRIM22) and the interaction with eukaryotic translation initiation factor-4E (eIF4E) in the differentiation of NB4 cells, one kind of acute promyelocytic leukemia cells, which elucidates the mechanism of TRIM22 targeting to regulate eIF4E.Methods The model of NB4 cells inducing differentiation was established in vitro.The expression changes of gene and protein of TRIM22 and eIF4E were detected by using quantitative real-time polymerase chain reaction (qRT-PCR) and Western blotting.In addition, the effect on cell function and protein expression level of eIF4E after adopting electroporation technology to depress or over-express TRIM22 was detected by CCK-8 and flow cytometry.Finally, the interaction of TRIM22 and eIF4E was verified by using co-immunoprecipitation (CO-IP).Results The mRNA relative expression level of TRIM22 was gradually increasing from 1.01±0.15 to 30.98±2.79 (F=280.700, P=0.000), and the protein relative expression level was gradually increasing from 0.22±0.03 to 0.51±0.05 (F=51.430, P=0.000) after the all-trans-retinoic acid (ATRA) induction for NB4 cell.However, the mRNA relative expression level of eIF4E was gradually decreasing from 1.01±0.09 to 0.47±0.06 (F=20.520, P=0.000), with the same trend, the protein relative expression level was gradually decreasing from 0.97±0.02 to 0.64±0.09 (F=14.700, P=0.001).The expression level of PE-CD11b in the TRIM22 over-expression group with ATRA detected by flow cytometry [(78.80±2.00)%] was higher than that in the transfection group of empty vetor with ATRA [(58.70±2.70)%] (t=9.535, P=0.000) and the cotransfection group with ATRA [(61.60±3.80)%] (t=8.187, P=0.000).Meanwhile, the protein level of eIF4E changed reversely after over-expressing the gene level of TRIM22 (t=4.985, P=0.007).The CO-IP experiment was used to verify the interaction of TRIM22 and eIF4E.ConclusionTRIM22 is able to promote the cell differentiation during the process of NB4 cells differentiation.Furthermore, eIF4E is a target of TRIM22 for binding with, which plays an important role in depressing the expression of eIF4E.

The seminar on novel ideas and methods in pharmacological researches,and new drug research and development of traditional Chinese medicine(TCM),organized by the Professional Committee of Pharmacology on Traditional Chinese Medicine and Natural Medicine, Chinese Pharmacology Society,was held in Tengzhou,Shandong Province,on August 5,2016. Professor ZHANG Yong-xiang,chair of the committee,presided over the seminar. Professor LIU Jian-xun and LI Lin delivered keynote speeches. More than 30 members of the committee from all over the country attended the seminar. The participants had a broad and in-depth discussion on issues concerning phar?macological researches and new drug research and development of TCM. The ideas and proposals by some committee members were summarized,hoping to provide reference in the pharmacological researches and new drug research and development of TCM.

Objective To review the experience of aortic root internal drainage in the operation of type A aortic dissection.Methods This was a prospective and observational study.Clinical data were available from 20 cases of type A aortic dissection patients (A group) from March 2003 to March 2008,and anothcr 36 cases of type A aortic dissection patients (B group) from March 2008 to May 2013.All of patients received the operation of replacement of ascending aortic aneurysm and aortic arch replacement and descending aortic stented elephant trunk implantation in our hospital.The additional inside drainage were made between the aortic root aneurysm sac and right atrial appendage in B group.Perioperative and postoperative data including the operation time,the amount of bleeding,cardiopulmonary bypass time,the amount of red cell transfusion,number of postoperative cases re-operated for hemostasis,total drainage volume in 24 hours,amount of postoperative red blood cell transfusion,number of cases of postoperative pulmonary complications,and postoperative mortality rate were analyzed retrospectively.The data was analyzed using SPSS version10.0 software.The chi-square test was used for constituent ratios,whilest was applied to analysis of differences in above variables betweens two groups.Results There were significant differences in the amount of bleeding during surgery,cardiopulmonary bypass time,the amount of red cell transfusion,rate of postoperative re-operation,total drainage volume in 24 hours,amount of postoperative red blood cell transfusion,number of cases of postoperative pulmonary complications and postoperative mortality between the two groups (x2/t =2.658,2.381,2.265,3.056,6.862,2.896,2.316,7.215,7.668,P =0.012,0.034,0.007,0.016,0.013,0.032,0.008,0.008,respectively).Conclusions The method of aortic root internal drainage in the operation of type A aortic dissection could reduce the amount of bleeding and improve the success rate of operation.

Aim To investigate the anticancer effect of a new xanthono-pyridine derivative N, N '-( 7-oxo-7H-chromeno[3,2-h] quinoline-5,9-diyl)-bis(2-( pyrroli-din-1-yl)acetamide) (XP-16) on human lung carcino-ma cell line A549 and the potential mechanism. Meth-ods Antiproliferative effect of XP-16 on A549 cells was evaluated by MTT assay, morphological examina-tion and colonial assay. Apoptosis detection was car-ried out using Hoechst 33258 and PI double-dyeing method. Intracellular Ca2+ concentration ( [ Ca2+] i ) and mitochondria membrane potential were detected by fluorospectrophotometer. A549 cells treated with XP-16 were collected for Bad and metallothionein 1 A ( MT-1 A ) transcript analysis by real-time reverse tran-scriptase-polymerase chain reaction ( qRT-PCR) . Re-sults XP-16 inhibited A549 cell proliferation in dose-and time-dependent manner. Typical apoptotic mor-
phology such as chromatin aggregation and nuclear fragmentation was observed in A549 cells treated with XP-16 for 24 h, and the apoptosis was showed in a dose-dependent manner. After treated with XP-16, [ Ca2+] i and mitochondria membrane potential of A549 cells were decreased, and relative mRNA level of Bad and MT-1A was up-regulated. Conclusions XP-16 has anticancer effect on A549 cells through apoptosis, which might be associated with decreasing intracellular Ca2+ concentration and mitochondria membrane poten-tial. Up-regulation of MT-1A expression might be the result of decreased [ Ca2+] i .