Objective: To examine the reciprocal relationships of anxiety and depressive symptoms,uncertainty stress with academic buoyancy among college students, providing evidence for mental health promotion and academic resilience enhancement. Methods: A multi stage cluster random sampling method was used to selected 741 undergraduates from grade 1 to 2 of a university in Xuzhou, Jiangsu Province. Participants completed two waves of surveys (T1: October 2022; T2: October 2023) using the Uncertainty Stress Scale, Patient Health Questionnaire-9 (PHQ-9), Generalized Anxiety Disorder-7 (GAD-7), and Academic Buoyancy Scale. Cross lagged models analyzed bidirectional relationships between three mental health variables and academic buoyancy, followed by latent variable modeling integrating all mental health dimensions. Results: Cross lagged model results revealed that T1 uncertainty stress negatively predicted T2 academic buoyancy ( β =-0.14), while T1 academic buoyancy negatively predicted T2 uncertainty stress ( β =-0.11); T1 depressive symptom negatively predicted T2 academic buoyancy ( β =-0.08), while T1 academic buoyancy negatively predicted T2 depressive symptom ( β =-0.09); furthermore, T1 academic buoyancy negatively predicted T2 anxiety symptom( β =-0.10) ( P <0.05). Results from the latent variable cross lagged model of psychological problems (constructed from the three mental health variables) indicated that T1 psychological problems negatively predicted T2 academic buoyancy ( β =-0.09), while T1 academic buoyancy negatively predicted T2 psychological problems ( β =-0.09) ( P <0.05). Conclusions Longitudinal bidirectional relationships exist between mental health status and academic buoyancy in college students. Better mental health facilitates higher academic buoyancy.

Coronary restenosis is an important cause of poor long-term prognosis in patients with coronary heart disease. Here, we show that lysine methyltransferase SMYD2 expression in the nucleus is significantly elevated in serum- and PDGF-BB-induced vascular smooth muscle cells (VSMCs), and in tissues of carotid artery injury-induced neointimal hyperplasia. Smyd2 overexpression in VSMCs (Smyd2-vTg) facilitates, but treatment with its specific inhibitor LLY-507 or SMYD2 knockdown significantly inhibits VSMC phenotypic switching and carotid artery injury-induced neointima formation in mice. Transcriptome sequencing revealed that SMYD2 knockdown represses the expression of serum response factor (SRF) target genes and that SRF overexpression largely reverses the inhibitory effect of SMYD2 knockdown on VSMC proliferation. HDAC3 directly interacts with and deacetylates SRF, which enhances SRF transcriptional activity in VSMCs. Moreover, SMYD2 promotes HDAC3 expression via tri-methylation of H3K36 at its promoter. RGFP966, a specific inhibitor of HDAC3, not only counteracts the pro-proliferation effect of SMYD2 overexpression on VSMCs, but also inhibits carotid artery injury-induced neointima formation in mice. HDAC3 partially abolishes the inhibitory effect of SMYD2 knockdown on VSMC proliferation in a deacetylase activity-dependent manner. Our results reveal that the SMYD2-HDAC3-SRF axis constitutes a novel and critical epigenetic mechanism that regulates VSMC phenotypic switching and neointimal hyperplasia.

【Objective】 To investigate the protective effects of aflexible sleeve penile protection device on reducing postoperative pain and wound edema in patients after circumcision. 【Methods】 A total of 54 patients who underwent circumcision at Yan’an Branch of Peking University Third Hospital during Feb.1 and May 31, 2023 were enrolled.The patients were randomly divided into the experimental group and control group, with 27 patients in either groups.Patients in the experimental group were treated with a flexible sleeve penis protection device after surgery, and patients in the control group were treated with traditional gauze bandage after surgery.Postoperative pain, wound edema and complications were compared between the two groups. 【Results】 In terms of pain, the visual analogue scale of the experimental group was significantly lower at 6 hours [(1.7±0.9) vs.(3.3±1.9), P<0.001] and 2 days [(2.0±1.3) vs.(3.3±1.3), P<0.001] after surgery than that of the control group, but there were no statistically significant differences between the two groups on the 4th and 7th postoperative days (P>0.05).In terms of edema, the edema score of the experimental group was significantly lower than that of the control group on the 2nd postoperative day [(2.0±1.0) vs.(4.0±0.8), P<0.001] , the 4th postoperative day [(1.5±1.2) vs.(2.6±0.9), P<0.001] , and the 7th postoperative day [(0.9±1.3) vs.(2.3±1.5), P<0.001] .There was no statistically significant difference in the incidence of complications between the two groups (P>0.05). 【Conclusion】 The flexible sleeve penile protection device has significant effects of reducing early postoperative pain and reducing edema in patients undergoing circumcision.

Chaihu Shugansan composed of Bupleuri Radix， Paeoniae Radix Alba， Chuanxiong Rhizoma， Aurantii Fructus， Citri Reticulatae Pericarpium， Cyperi Rhizoma， and Glycyrrhizae Radix et Rhizoma has the effects of soothing liver， relieving depression， regulating Qi movement， and relieving pain. It is a classic formula for treating gastric distension recommended by doctors of later ages. This article systematically reviews the clinical application and basic experimental progress of Chaihu Shugansan in the treatment of functional dyspepsia. In modern clinical practice， Chaihu Shugansan and its modified formulas are used to treat functional dyspepsia， and they can be applied in combination with other formulas （Si Junzitang， Jinlingzisan， Zhizhuwan， etc.）， western medicine （domperidone tablets， deanxit， Saccharomyces boulardii， etc.）， traditional Chinese medicine （TCM） acupuncture and other therapies. The results of clinical studies have shown that Chaihu Shugansan and its modified formulas can significantly reduce the Hamilton depression scale （HAMD） score， Hamilton anxiety scale （HAMA） score， and TCM syndrome score， ameliorate the symptoms， improve the quality of life， and decrease the recurrence rate. The experimental pharmacological studies have demonstrated that Chaihu Shugansan can inhibit the autophagy of Cajal interstitial cells， regulate the endoplasmic reticulum stress signaling pathway， and modulate the brain-gut peptide level to improve the gastrointestinal motility. Chaihu Shugansan can inhibit the expression of 5-hydroxytryptamine in the colon tissue and reduce the abdominal withdrawal reflex （AWR） score to improve visceral hypersensitivity. Furthermore， Chaihu Shugansan can lower the levels of pro-inflammatory cytokines such as interleukin-6 and tumor necrosis factor-α to repair duodenal mucosal inflammation. In addition， it can regulate intestinal flora to maintain intestinal flora balance. The main active ingredients such as saikosaponin， paeoniflorin， hesperidin， and naringin in Chaihu Shugansan can exert anti-inflammatory， antioxidant， and antimicrobial effects.

Objective　To explore the effect of Mp1p on host macrophages through transcriptomics combined with metabolomics. Methods Firstly, a THP-1 macrophage strain (THP-1-Mp1p+) stably expressing Mp1p was constructed using lentivirus. Secondly, using high-throughput RNA sequencing (RNA Seq) technology, the expression level of intracellular mRNA was detected in transcriptomics analysis to determine differentially expressed genes; In metabolomics analysis, metabolite identification was performed through database comparison, and pathway analysis was performed on differential metabolites to reveal potential mechanisms of action. Finally, the results of metabolomics and transcriptomics were combined for analysis, and differential metabolites and genes were analyzed to further elucidate the mechanism of action of Mp1p on macrophages. Results Transcriptome analysis showed that, compared with the negative control group, the THP-1-Mp1p+ group had a total of 1 180 differentially expressed genes (DEGs), with 345 upregulated genes and 835 downregulated genes. GO enrichment analysis of DEGs showed that there were 135 differentially expressed genes, including 105 in biological processes (BP), 28 in cellular components (CC), and 2 in molecular functions (MF). The KEGG analysis results showed that the effect of Mp1p on THP-1 macrophages was highly correlated with the TNF pathway. The metabolomic analysis found that both the blank control group and the THP-1-Mp1p+ macrophage group achieved good separation between QC samples in both positive and negative ion modes. The threshold for significant differential metabolites was set at: VIP≥1 and T-test P<0.05, resulting in the identification of 488 differential metabolites, with 230 in the positive ion mode and 258 in the negative ion mode. Pathway enrichment analysis of the identified metabolites pointed to significant enrichment in metabolic pathways. The combined analysis confirmed that the tumor necrosis factor signaling pathway, interleukin-17 signaling pathway, and NF-kappaB signaling pathway were important metabolic pathways involved. Conclusions The virulence factor Mp1p may affect host macrophages by modulating the tumor necrosis factor signaling pathway, interleukin-17 signaling pathway, and NF-kappaB signaling pathway. The findings contribute to a better understanding of the mechanisms of action of Mp1p and may offer potential directions for the selection of relevant diagnostic and therapeutic targets in the future.

Objective:To investigate the application value of intraoperative motor nerve monitoring in cervical neurogenic tumor surgery.Methods:The efficacy of intraoperative neuromonitoring (IONM) was analyzed retrospectively in 18 patients, including 6 males and 12 females, aged from 15 to 74 years, treated in Affiliated Drum Tower Hospital, Medical School of Nanjing University from June 2019 to September 2022 who underwent total cystectomy of cervical neurogenic tumors under intraoperative nerve monitoring.Results:All 18 patients had complete tumor removal, including 8 patients with tumors from the vagus nerve and 10 patients with tumors from the brachial plexus nerve. Postoperative nerve functions were normal in patients with tumors from brachial plexus nerve, and incomplete vocal cord paralysis occurred in 2 patients with tumors from vagus vagus nerve. The total incidence of motor nerve injury was 11.1% (2/18). All patients were followed up for 6 to 45 months, with no tumor recurrence.Conclusion:Intraoperative neuromonitoring has significant values in surgery of cervical neurogenic tumors, which is helpful to remove completely the tumors on the basis of protecting the nerve functions to the maximum extent.

Objective:To discuss the damage effect of vesicular stomatitis virus(VSV)on the vascular endothelial(VE)barrier,and to clarify its mechanism.Methods:The canine kidney cells were used to amplify VSV.The half tissue culture infective dose(TCID50)of VSV was determined using mouse brain endothelial tumor bEnd.3 cells,and subsequent experiment was conducted using 300 times the TCID50.The bEnd.3 cells were divided into infection 0 h group,infection 4 h group,infection 8 h group,and infection 12 h group for VE barrier damage experiments due to VSV infection.The bEnd.3 cells were also divided into control group,infection group,and correction group for experiments to inhibit the VSV replication and restore the VE barrier.The bEnd.3 cells were inoculated into Transwell chambers to construct an in vitro VE barrier model.Cell voltage resistance meter was used to detect the transepithelial resistance(TER)in various groups after the bEnd.3 cells were infected with VSV at different time points;fluorescein isothiocyanate-dextran leakage assay was used to detect the permeability coefficients of the cells in various groups;immunofluorescence staining was used to observe the localization changes of VE-cadherin,β-catenin,and phosphorylated β-catenin(p-β-catenin)in cytoskeleton and adherens junctions(AJs)of the bEnd.3 cells after VSV infection;real-time fluorescence quantitative PCR(RT-qPCR)method was used to detect the expression levels of Wnt and β-catenin mRNA in the cells in various groups;Western blotting method was used to detect the expression levels of Wnt,β-catenin,and p-β-catenin proteins in the cells in various groups.Results:The TCID50 of VSV was 10-4.5·100 μL-1.TheTranswell chamber experiment results showed that compared with infection 0 h group,the TERs in the cells in the other groups were significantly decreased(P＜0.05),and the permeability coefficients were significantly increased(P＜0.05).The immunofluorescence staining results showed that compared with control group,the cytoskeleton of the bEnd.3 cells in infection group was disordered,the cell gaps was increased,the linear index of AJs was significantly decreased(P＜0.05),and β-catenin and p-β-catenin translocated from the cell membrane to the perinuclear area.The RT-qPCR results showed that compared with infection 0 h group,the expression levels of Wnt mRNA in the cells in the other groups were significantly decreased(P＜0.05),while the expression levels of β-catenin mRNA showed no statistically significant difference(P＞0.05).The Western blotting results showed that compared with infection 0 h group,the expression levels of Wnt protein in the cells in the other groups were significantly decreased(P＜0.05),the expression levels of β-catenin showed no statistically significant differences(P＞0.05),and the expression levels of p-β-catenin were significantly increased(P＜0.05).After inhibiting the VSV replication and correcting the low density lipoprotein receptor(LDLR)abnormalities,the Transwell chamber experiment results showed that compared with infection group,the TER in the cells in correction group was significantly increased(P＜0.05),and the permeability coefficient was significantly decreased(P＜0.05).The immunofluorescence staining results showed that compared with infection group,the gaps in the cells in correction group were reduced,and the perinuclear aggregation of β-catenin and p-β-catenin in the cells was restrained.The RT-qPCR results showed that compared with infection group,the expression level of Wnt mRNA in the cells in correction group was significantly increased(P＜0.05).The Western blotting results showed that compared with infection group,the expression level of Wnt protein in the cells in correction group was significantly increased(P＜0.05),the expression level of β-catenin showed no statistically significant difference(P＞0.05),and the expression level of p-P-catenin was significantly decreased(P＜0.05).Conclusion:VSV infection can cause the LDLR inactivation,reduce the expression level of Wnt protein,increase the phosphorylation level of β-catenin and cause its internalization,disrupt the stability of AJs,and ultimately lead to VE barrier damage.

Purpose::Autologous osteoperiosteal transplantation (AOPT) is one of the most feasible and effective techniques for cystic osteochondral lesions of the talus (OLT). However, few reports have been reported about the process of graft-host bone healing and bone articular surface reconstruction, which help us to further understand the actual situation of bone healing and modify surgical methods.Methods::The case series study retrospectively evaluated 33 osteochondral lesions in 30 patients undertaking AOPT for OLT with subchondral cysts from December 2016 to October 2021. According to CT observation, we used 4 variables to describe the bony articular repair, including the integration of the articular surface, the height of the bone filling, the status of bone union, and the appearance of bone resorption or cystic change. We also analyzed the demographic data and clinical function. Descriptive statistics were used for demographic and clinical variables. Normally distributed data were presented as mean ± SD, and non-normally distributed data were presented as median (Q 1, Q 3). Associations between these variables and the primary clinical outcomes were examined using t-test or one-way ANOVA test for continuous variables. Results::The patients’ mean age was (41.7 ± 14.0) years old and the mean follow-up time was (29.6 ± 17.8) months. The chondral lesion size was (14.3 ± 4.1) mm. The cyst depth was (10.9 ± 3.7) mm. Significant improvements were observed in functional outcomes (according to the numeric rating scale for pain when walking and the American orthopedic foot and ankle society score) between the preoperative and latest follow-up evaluations, from 4.2 ± 2.1 to 2.2 ± 2.0 ( p < 0.001), and from 66.8 ± 12.9 to 83.2 ± 10.4, respectively ( p < 0.001). The overall satisfaction reached 8.3 of 10 points. All patients returned to sports and their median daily steps reached 8000 steps with 27 (81.8%) patients walking over 6000 steps daily. According to CT observation, "discontinuous bony articular surface and gap > 1 mm" was found in 27 grafts (81.8%), and "below the level of the adjacent articular surface, ≤1 mm" in a third of the grafts. Abnormal height of bone filling affected numeric rating scale score ( p=0.049) and American Orthopedic Foot and Ankle Society score ( p =0.027). Of note, bone resorption or cystic changes appeared in up to 13 autografts (39.4%). Conclusions::AOPT is an effective and acceptable technique for cystic OLT. Bone reconstruction is essential for large cystic OLT. How to get better bony articular reconstruction and avoid cyst recurrence should still be paid more attention.

Objective:To investigate the clinical efficacy of endovascular interventional therapy for spontaneous isolated superior mesenteric artery dissection(SISMAD).Methods:The retrospective cohort study was conducted. The clinical data of 87 patients with SISMAD who were admitted to The First Affiliated Hospital of Army Medical University from March 2012 to March 2023 were collected. There were 80 males and 7 femals, aged 54(49,61)years. Of 87 patients, 55 cases undergoing conservative therapy were allocated into conservative therapy group and 32 cases under-going endovascular interventional therapy were allocated into endovascular interventional therapy group. Observation indicators: (1) clinical characteristics; (2) treatment; (3) follow-up. Measurement data with normal distribution were represented as Mean± SD, and comparison between groups was conducted using the t test. Measurement data with skewed distribution were represented as M( Q1, Q3), and comparison between groups was conducted using the rank sum test. Count data were represented as absolute numbers and comparison between groups was conducted using the chi-square test or Fisher exact probability. Results:(1) clinical characteristics. There were significant differences in the cases with symptoms, percentage of neutrophils between the conservative therapy group and the endovascular interventional therapy group ( P<0.05). There was no significant difference in the proportion of Yun classification between the two groups ( P>0.05). (2)Treatment. There were significant differences in the complete vascular remodeling, duration of hospital stay, and total expenses between the conservative therapy group and the endovascular interventional therapy group ( χ2=23.752, t=-4.213, -16.421, P<0.05). There were 34 patients in the conservative therapy group and 24 patients in the endovascular interventional therapy group with relieved abdominal pain, respectively, showing no significant difference between the two groups ( P>0.05). For symptomatic patients in the conservative therapy group, symptoms including abdominal pain, nausea, vomiting, diarrhea, hematochezia were relieved or disappeared, and no intestinal ischemia or rupture occurred. For patients in the endovascular interventional therapy group, 30 cases were implanted stents, the operation time was 115(86,155)minutes, volume of intraoperative blood loss was 5(5,10)mL, dose of contrast media was (200±51)mL. There were 23, 8 and 1 cases with the contrast medium as Iodoxanol, Ioprosamide, Iodohexanol, respectively. About the surgical methods, 14 patients received single bare stent implantation, 3 cases received bare stent-assisted coil embolization, 10 cases received multiple bare stent implantation, 3 cases received covered stent implantation, 2 cases received angiography alone. A total of 39 self-expandable bare metal stents and 3 self-expandable covered stents were implanted. The diameter and length of the stents were (6.5±1.0)mm and (69±23)mm, respectively. Two asymptomatic patients had failure in endovascular interventional therapy and underwent superior mesenteric artery angiography. For the endovascular interventional therapy group, 92.3%(24/26) of patients were relieved abdominal pain and 2 patients with abdominal pain were improved after symptomatic treatment. (3) Follow-up. All the 87 patients were followed up for 12(4,24)months, without recurrent abdominal pain or secondary intervention. During the follow-up, 82 patients underwent computed tomography angiography or ultrasonography, and 5 patients had no available results. There was no SISMAD related death or superior mesenteric artery rupture. Eight patients in the conservative therapy group achieved complete vascular remodeling, versus 21 cases in the endovascular interventional therapy group, showing a significant difference between the two groups ( χ2=23.752, P<0.05). Conclusions:Compared with conservative therapy, patients undergoing endovascular interventional therapy for SISMAD has loner hospital stay, higher total costs, higher complete vascular remodeling rate. There is no recurrent abdominal pain in two methods.

The study adopted muscle injection of pVAX1-SP-GHRH(1-44)expression plasmid and electrostimulation to determine its effects on mouse growth and sow production performance.One hundred and fifty four-week-old C57 BL/6 female mice were randomly divided into 6 groups of 5 replicates each.Muscle single-injection followed by electrostimulation was performed.The con-trol group received an empty plasmid injection(80 μg/kg),while the treatment groups received pVAX1-SP-GHRH(1-44)plasmid injections(20,40,80,120,160 μg/kg).Twenty healthy preg-nant sows were randomly divided into 2 groups,each with 10 sows.Electrostimulation treatment was applied to the semimembranosus muscle of the pregnant sows after a single injection.The con-trol group received physiological saline injection,while the plasmid group received a 2 mg pVAX1-SP-GHRH(1-44)expression plasmid injection.Mouse weight,feed intake,and serum GHRH and IGF-1 levels were measured at days 0,7,14,21,and 28 after injection.Pregnant sows were bled via the tail vein at days 0,14,28,and 42 after injection,and their serum was separated to measure serum GHRH and IGF-1 levels.The birth weight,placental weight,number of piglets born,number of healthy piglets,number of weak piglets,number of deformed piglets,number of stillborn piglets,and number of mummified piglets were recorded at day 14.The mouse study re-sults showed that muscle injection of pVAX1-SP-GHRH(1-44)plasmid followed by electrostim-ulation could promote mouse feeding and increase weight gain(P＜0.05),significantly increase mouse serum GHRH and IGF-1 levels(P＜0.05),and maintain its effects until day 21.The results of the pregnant sow study showed that the average birth weight of the piglets in the plasmid group was significantly increased(P＜0.01),and the placenta weight was significantly increased(P＜0.05).The serum GHRH and IGF-1 concentrations in the plasmid group sows were significantly increased(P＜0.01).The study results showed that muscle injection of pVAX1-SP-GHRH(1-44)expression plasmid followed by electrostimulation could promote mouse feeding and increase weight gain,and also significantly improve the average birth weight and placental weight of the piglets in pregnant sows.