Objective To analyze the mediation effect of self-efficacy and mental toughness between self-management behavior and postoperative rehabilitation in patients with cervical spondylotic radiculopathy.Methods A total of 180 patients with cervical spondylotic radiculopathy diagnosed and treated in the First Hospital ofNanchang from April 2022 to April 2024 were selected by convenience sampling method.The patients were investigated by general data questionnaire,Connor-Davidson resilience scale(CD-RISC),chronic disease self-efficacy scale(CDES),rehabilitation evaluation scale for cervical spondylotic radiculopathy(RES-CSR)and chronic disease self-management scale(CDSMS).Results The scores of CD-RISC,RES-CSR,CDES and CDSMS were(64.41±10.12)points,(78.84±12.07)points,(41.26±3.18)points and(53.14±6.38)points respectively.The results of correlation analysis showed that postoperative rehabilitation was significantly positively correlated with mental toughness,self-efficacy and self-management,self-management was significantly positively correlated with mental toughness and self-efficacy,mental toughness was significantly positively correlated with self-efficacy(P＜0.05).Mental toughness and self-efficacy played a mediating role in the relationship between self-management and postoperative rehabilitation of patients with cervical spondylotic radiculopathy,and the mediating effect value was 0.270 and 0.136.The two continuous paths had a chain mediating effect,and the mediating effect value was 0.150,accounting for 18.70％,9.42％and 10.39％of the total effect value,respectively.Conclusion The self-management behavior of patients with cervical spondylotic radiculopathy has an important impact on their postoperative rehabilitation,in which mental toughness and self-efficacy play a chain intermediary role.Nursing intervention can enhance the self-management behavior and mental toughness of patients with cervical spondylotic radiculopathy and improve their self-efficacy,so as to improve their postoperative rehabilitation level.

Objective To identify and cluster non-O1/O139 Vibrio cholerae(NOVC)using matrix-assisted laser desorption/ionization time-of-flight mass spectrometry(MALDI-TOF MS),and evaluate the feasibility of MALDI-TOF MS as a method for the identification and clustering of NOVC.Methods The NOVC was identified by the MALDI-TOF MS equipped with V5 database,V12 database,highly pathogenic bacteria database,and V5 database combined with self-built spectrum projection and analyzed by the principal com-ponent analysis(PCA)and main spectrum projection(MSP)clustering.Results The NOVC was incorrectly identified as Vibrio al-bensis by the MALDI-TOF MS equipped with V5 database or V12 database,while the MALDI-TOF MS equipped with highly pathogenic bacteria database or V5 database combined with self-built spectrum projection could correctly identify NOVC.The PCA clustering of MALDI-TOF MS could distinguish NOVC from other bacterial strains and refine the differentiation of NOVC species to show the dis-tance relationship between NOVC species.Some spectrum projections of NOVC were extremely similar to the reference strains used to establish the database,and MSP clustering could not distinguish the differences between NOVC species.Conclusion The identifica-tion ability of MALDI-TOF MS for NOVC is limited by its database.The MALDI-TOF MS equipped with highly pathogenic bacteria da-tabase or V5 database combined with the self-built spectrum projection can accurately identify NOVC.The PCA clustering of MALDI-TOF MS has certain reference significance for the intra-and inter-species identification and homology analysis of NOVC.

Objective To observe the correlations between left atrial myocardial strain and left ventricular function in children with Duchenne muscular dystrophy(DMD).Methods Fifty-one DMD children(DMD group)and 42 healthy one(control group)were prospectively enrolled.The parameters of routine ultrasound and three-dimensional speckle-tracking echocardiography(3D-STE)were compared between groups,and the correlations between left atrial strain parameters and left ventricular function parameters were analyzed.Results The mitral annular lateral wall velocity(e'),left ventricular ejection fraction(LVEF),left atrial ejection fraction(LAEF),left atrioventricular coupling index(LACI),left ventricular global longitudinal strain(LVGLS),left atrial strain during reservoir phase(LASr)and left atrial strain during conduit phase(LAScd)were all lower,while mitral early diastolic peak flow velocity/e'(E/e'),left atrial stiffness index(LASI)and left atrial filling index(LAFI)were higher in DMD group than those in control group(all P＜0.05).In DMD group,LAEF,LASr and LAScd were moderately positively correlated with LVGLS(r=0.409,0.437,0.440,all P＜0.05),LAFI and LASI were weakly negatively correlated with LVGLS(r=-0.207,-0.223,both P＜0.05),while LASr was moderately positively correlated with e'(r=0.419,P＜0.05).Conclusion The left atrial myocardial strain was correlated with left ventricular systolic and diastolic function in DMD children.

BACKGROUND:Slow bone repair and poor bone formation quality are still problems during masquelet technique in the treatment of large segment bone defects.H-type vessels can induce osteogenesis,enhance the local angiogenesis and osteogenesis coupling,and promote bone repair.However,there are few reports on the role of H-type blood vessels in the bone induced membrane.OBJECTIVE:To construct a large segment bone defect model of SD rat tibia,observe the expression characteristics of H-type blood vessels in the bone induced membrane,then to identify the expression peak point of H-type blood vessels in the bone induced membrane and determine the optimal period of bone grafting.METHODS:Sixty SD rats were randomly divided into a control group(n=30)and a model group(n=30)by random number table method.The two groups were further divided into three subgroups at 4,6,and 8 weeks after bone cement implantation,with 10 rats in each group.A 4 mm bone defect model of the right tibia was constructed in both the control and the model groups.Polymethyl methacrylate bone cement was implanted in the model group to induce bone biomembrane formation,while bone cement was not implanted in the control group.At 4,6,and 8 weeks after bone cement implantation,6 rats were randomly selected at each time point.The bone induction membrane tissue was cut from the model group,and the non-bone soft tissue of the corresponding part was cut from the control group.The dynamic expressions of H-type blood vessels in the bone induced membrane were identified by immunofluorescence.The morphological changes of the bone induced membrane were observed by hematoxylin-eosin staining.The formation of blood vessels in the bone induced membrane was observed by angiography.The expression levels of osteoblast-specific transcription factor in the bone induced membrane were detected by immunohistochemistry.Four rats remained at each time point.In the model group,the bone induced membrane was cut open and the bone cement was removed and autologous coccyx was implanted.In the control group,autologous coccyx was implanted in the bone defect area.Micro-CT evaluation of the tibial defect was performed 8 weeks after bone grafting.RESULTS AND CONCLUSION:(1)Immunofluorescence staining showed that the expression of H-type vessels in the model group was most obvious 6 weeks after bone cement implantation,and the expression of H-type vessels in the model group at each time point after bone cement implantation was higher than that in the control group(P＜0.05).(2)Hematoxylin-eosin staining and angiography showed that the number and volume of new blood vessels at each time point after bone cement implantation in the model group were greater than those in the control group(P＜0.05).The order of the number and volume of new blood vessels in the model group was:8 weeks after bone cement implantation＞6 weeks after bone cement implantation＞4 weeks after bone cement implantation.(3)Immunohistochemical staining showed that the positive expression of osteoblast-specific transcription factors at each time point after bone cement implantation in the model group was higher than that in the control group(P＜0.05),and the positive expression of osteoblast-specific transcription factors in the model group was most obvious 6 weeks after bone cement implantation.(4)Micro-CT detection showed that the bone repair effect of the three subgroups in the model group was significantly better than that of the corresponding subgroups in the control group,and the bone repair effect of the subgroup in the model group 6 weeks after bone cement implantation was better than that of the subgroups 4 and 8 weeks after bone cement implantation.The results indicate that H-type blood vessels are dynamically expressed in the bone induced membrane and reached a peak 6 weeks after bone cement implantation.Good bone repair effects can be obtained by the bone induced membrane bone grafting 6 weeks after bone cement implantation.

Objective On the basis of systematically summarizing and organizing the existing standards of mineral drugs in traditional Chinese medicine,this study aims to construct the top-level framework of the mineral drug standard system and promote the standardization process of the mineral drug industry.Methods A comprehensive search and analysis of the standards for 87 kinds of mineral drugs were conducted on authoritative platforms such as the National Standard Information Public Service Platform,China Standard Service Network,and Traditional Chinese Medicine Standard and Guideline Information Service.By delving into the theoretical foundation and scientific methods,combined with practical research,this study uses analogy reference,systematic decomposition,and process analysis to design the top-level framework of the mineral drug standard system.Results Through comprehensive analysis and scientific design,this study summarizes the construction process and methods of the mineral drug standard system,clarifies the hierarchical structure and classification principles of the system,proposes the compilation path,and forms a standard system covering the entire industry chain of mineral drugs,including raw minerals,product categories,and circulation categories.Conclusion This study constructs a full industry chain process framework for the standard system of mineral drugs,providing a clear perspective for the research of mineral drugs.It can more comprehensively display the current state of development of mineral drug standards in our country,laying a foundation for the research on the standardization of mineral drugs.

Objective To analyze the mediation effect of self-efficacy and mental toughness between self-management behavior and postoperative rehabilitation in patients with cervical spondylotic radiculopathy.Methods A total of 180 patients with cervical spondylotic radiculopathy diagnosed and treated in the First Hospital ofNanchang from April 2022 to April 2024 were selected by convenience sampling method.The patients were investigated by general data questionnaire,Connor-Davidson resilience scale(CD-RISC),chronic disease self-efficacy scale(CDES),rehabilitation evaluation scale for cervical spondylotic radiculopathy(RES-CSR)and chronic disease self-management scale(CDSMS).Results The scores of CD-RISC,RES-CSR,CDES and CDSMS were(64.41±10.12)points,(78.84±12.07)points,(41.26±3.18)points and(53.14±6.38)points respectively.The results of correlation analysis showed that postoperative rehabilitation was significantly positively correlated with mental toughness,self-efficacy and self-management,self-management was significantly positively correlated with mental toughness and self-efficacy,mental toughness was significantly positively correlated with self-efficacy(P＜0.05).Mental toughness and self-efficacy played a mediating role in the relationship between self-management and postoperative rehabilitation of patients with cervical spondylotic radiculopathy,and the mediating effect value was 0.270 and 0.136.The two continuous paths had a chain mediating effect,and the mediating effect value was 0.150,accounting for 18.70％,9.42％and 10.39％of the total effect value,respectively.Conclusion The self-management behavior of patients with cervical spondylotic radiculopathy has an important impact on their postoperative rehabilitation,in which mental toughness and self-efficacy play a chain intermediary role.Nursing intervention can enhance the self-management behavior and mental toughness of patients with cervical spondylotic radiculopathy and improve their self-efficacy,so as to improve their postoperative rehabilitation level.

The regulatory processes in developmental biology research are significantly influenced by long non-coding RNAs (lncRNAs). However, the dynamics of lncRNA expression during human tooth development remain poorly understood. In this research, we examined the lncRNAs present in the dental epithelium (DE) and dental mesenchyme (DM) at the late bud, cap, and early bell stages of human fetal tooth development through bulk RNA sequencing. Developmental regulators co-expressed with neighboring lncRNAs were significantly enriched in odontogenesis. Specific lncRNAs expressed in the DE and DM, such as PANCR, MIR205HG, DLX6-AS1, and DNM3OS, were identified through a combination of bulk RNA sequencing and single-cell analysis. Further subcluster analysis revealed lncRNAs specifically expressed in important regions of the tooth germ, such as the inner enamel epithelium and coronal dental papilla (CDP). Functionally, we demonstrated that CDP-specific DLX6-AS1 enhanced odontoblastic differentiation in human tooth germ mesenchymal cells and dental pulp stem cells. These findings suggest that lncRNAs could serve as valuable cell markers for tooth development and potential therapeutic targets for tooth regeneration.
Humans ; RNA, Long Noncoding/metabolism* ; Odontogenesis/genetics* ; Tooth Germ/embryology* ; Cell Differentiation ; Gene Expression Regulation, Developmental ; Mesoderm/metabolism* ; Tooth/embryology* ; Gene Expression Profiling ; Sequence Analysis, RNA ; Dental Pulp/cytology*

Identification of disease-specific cell subtypes (DSCSs) has profound implications for understanding disease mechanisms, preoperative diagnosis, and precision therapy. However, achieving unified annotation of DSCSs in heterogeneous single-cell datasets remains a challenge. In this study, we developed the gPRINT algorithm (generalized approach for cell subtype identification with single cell's voicePRINT). Inspired by the principles of speech recognition in noisy environments, gPRINT transforms gene position and gene expression information into voiceprints based on ordered and clustered gene expression phenomena, obtaining unique "gene print" patterns for each cell. Then, we integrated neural networks to mitigate the impact of background noise on cell identity label mapping. We demonstrated the reproducibility of gPRINT across different donors, single-cell sequencing platforms, and disease subtypes, and its utility for automatic cell subtype annotation across datasets. Moreover, gPRINT achieved higher annotation accuracy of 98.37% when externally validated based on the same tissue, surpassing other algorithms. Furthermore, this approach has been applied to fibrosis-associated diseases in multiple tissues throughout the body, as well as to the annotation of fibroblast subtypes in a single tissue, tendon, where fibrosis is prevalent. We successfully achieved automatic prediction of tendinopathy-specific cell subtypes, key targets, and related drugs. In summary, gPRINT provides an automated and unified approach for identifying DSCSs across datasets, facilitating the elucidation of specific cell subtypes under different disease states and providing a powerful tool for exploring therapeutic targets in diseases.
Humans ; Algorithms ; Single-Cell Analysis ; Databases, Genetic ; Molecular Sequence Annotation

Objective To observe the correlations between left atrial myocardial strain and left ventricular function in children with Duchenne muscular dystrophy(DMD).Methods Fifty-one DMD children(DMD group)and 42 healthy one(control group)were prospectively enrolled.The parameters of routine ultrasound and three-dimensional speckle-tracking echocardiography(3D-STE)were compared between groups,and the correlations between left atrial strain parameters and left ventricular function parameters were analyzed.Results The mitral annular lateral wall velocity(e'),left ventricular ejection fraction(LVEF),left atrial ejection fraction(LAEF),left atrioventricular coupling index(LACI),left ventricular global longitudinal strain(LVGLS),left atrial strain during reservoir phase(LASr)and left atrial strain during conduit phase(LAScd)were all lower,while mitral early diastolic peak flow velocity/e'(E/e'),left atrial stiffness index(LASI)and left atrial filling index(LAFI)were higher in DMD group than those in control group(all P＜0.05).In DMD group,LAEF,LASr and LAScd were moderately positively correlated with LVGLS(r=0.409,0.437,0.440,all P＜0.05),LAFI and LASI were weakly negatively correlated with LVGLS(r=-0.207,-0.223,both P＜0.05),while LASr was moderately positively correlated with e'(r=0.419,P＜0.05).Conclusion The left atrial myocardial strain was correlated with left ventricular systolic and diastolic function in DMD children.

BACKGROUND:Slow bone repair and poor bone formation quality are still problems during masquelet technique in the treatment of large segment bone defects.H-type vessels can induce osteogenesis,enhance the local angiogenesis and osteogenesis coupling,and promote bone repair.However,there are few reports on the role of H-type blood vessels in the bone induced membrane.OBJECTIVE:To construct a large segment bone defect model of SD rat tibia,observe the expression characteristics of H-type blood vessels in the bone induced membrane,then to identify the expression peak point of H-type blood vessels in the bone induced membrane and determine the optimal period of bone grafting.METHODS:Sixty SD rats were randomly divided into a control group(n=30)and a model group(n=30)by random number table method.The two groups were further divided into three subgroups at 4,6,and 8 weeks after bone cement implantation,with 10 rats in each group.A 4 mm bone defect model of the right tibia was constructed in both the control and the model groups.Polymethyl methacrylate bone cement was implanted in the model group to induce bone biomembrane formation,while bone cement was not implanted in the control group.At 4,6,and 8 weeks after bone cement implantation,6 rats were randomly selected at each time point.The bone induction membrane tissue was cut from the model group,and the non-bone soft tissue of the corresponding part was cut from the control group.The dynamic expressions of H-type blood vessels in the bone induced membrane were identified by immunofluorescence.The morphological changes of the bone induced membrane were observed by hematoxylin-eosin staining.The formation of blood vessels in the bone induced membrane was observed by angiography.The expression levels of osteoblast-specific transcription factor in the bone induced membrane were detected by immunohistochemistry.Four rats remained at each time point.In the model group,the bone induced membrane was cut open and the bone cement was removed and autologous coccyx was implanted.In the control group,autologous coccyx was implanted in the bone defect area.Micro-CT evaluation of the tibial defect was performed 8 weeks after bone grafting.RESULTS AND CONCLUSION:(1)Immunofluorescence staining showed that the expression of H-type vessels in the model group was most obvious 6 weeks after bone cement implantation,and the expression of H-type vessels in the model group at each time point after bone cement implantation was higher than that in the control group(P＜0.05).(2)Hematoxylin-eosin staining and angiography showed that the number and volume of new blood vessels at each time point after bone cement implantation in the model group were greater than those in the control group(P＜0.05).The order of the number and volume of new blood vessels in the model group was:8 weeks after bone cement implantation＞6 weeks after bone cement implantation＞4 weeks after bone cement implantation.(3)Immunohistochemical staining showed that the positive expression of osteoblast-specific transcription factors at each time point after bone cement implantation in the model group was higher than that in the control group(P＜0.05),and the positive expression of osteoblast-specific transcription factors in the model group was most obvious 6 weeks after bone cement implantation.(4)Micro-CT detection showed that the bone repair effect of the three subgroups in the model group was significantly better than that of the corresponding subgroups in the control group,and the bone repair effect of the subgroup in the model group 6 weeks after bone cement implantation was better than that of the subgroups 4 and 8 weeks after bone cement implantation.The results indicate that H-type blood vessels are dynamically expressed in the bone induced membrane and reached a peak 6 weeks after bone cement implantation.Good bone repair effects can be obtained by the bone induced membrane bone grafting 6 weeks after bone cement implantation.