Objective To investigate the distribution and chemical character of nestin immunoreactive cells in the human basal forebrain. Methods We explored systematically the distribution of nestin immunoreactive cells throughout the human basal forebrain by nestin 331B, 10C2, Rat401 antibody.Furthermore, we investigated the chemical identity of these nestin immunoreactive cells by using double\|labeling immunocytochemistry with NSE, ChAT, p75NGFR, GFAP antibody or using NADPH\|d histochemistry. Results The nestin immunoreactive cells were found in the septum, diagonal band of Broca, innominate substance,amygdala,basal nucleus of Meynert of adult human brain.These nestin immunoreactive cells haven big cell body,2\|3 processes.The nestin immunoreactive cells were labeled by NSE antibody.The large majority of those were single stained,and 28% were double labeled with ChAT positive neurons,15% with NGFR positive neurons,6% with NOS positive neurons.A few nestin immunoreactive cells shared similar morphology with that of astrocyte glia which existed in the spaces between the thin septa pellucida or the midline along the septum.It could not be labeled by GFAP antibody.Conclusion\ A new cluster of nestin immunoreactive neurons that were different from the ChAT,NGFR,NOS positive neurons existed in adult human basal forebrain.\;[

Objective To investigate the relationship between mean amplitude of glycemic excursions (MAGE) and cognitive impairment in elderly patients with type 2 diabetes.Methods Totally 80 patients (aged ＞ 60 years) with type 2 diabetic were selected.According to the Montreal Cognitive Assessment (MoCA) score,the patients were divided into two groups:cognitive impairment group (31cases) and non-cognitive impairment group (49 cases).Then all subjects were observed by continuous glucose monitoring for 3 days including the mean blood glucose (MBG) and its standard deviation (SD),MAGE and numbers of glycemic excursion (NGE).Results Compared with noncognitive impairment group,diabetic course,fasting blood glucose,2 h postprandial glycemia,glycosylated hemoglobin (HbA1c) and body mass index (BMI) were significantly different with the cognitive impairment group (P＜0.05).Furthermore,MAGE,MBG and SD were obviously higher than those in the non-cognitive impairment group [(5.89 ± 2.17) mmol/L vs.(3.15 ± 0.60) mmol/L,t＝8.37,P＝0.00; (11.85±3.45) mmol/L vs.(8.23±1.73)mmol/L,t＝6.23,P＝0.00; (3.16±1.29)mmol/L vs.(1.26±0.42)mmol/L,t＝9.57,P＝0.00].MoCA scores of patients with type 2 diabetes were negatively correlated with MAGE (r ＝-0.891,P ＜ 0.01).After multiple linear regression analysis,diabetic course,2 h postprandial glycemia,MAGE and SD remained independently associated with cognitive impairment in type 2 diabetic patients (R2 ＝0.835,P＜0.05)Conclusions MAGE during a daily period is associated with cognitive impairment independent of fasting blood glucose,postprandial glycemia and HbA1c.

0.05). Expression of MDR1 had a positive ~correlation with mutant p53 accumulation and HER2 expression(P0.05 ).In univariate analyses,TNM staging, axillary lymph node metastasis, mutant p53 accumulation, and HER2 over-expression were negatively correlated with DFS and OS, and MDR1 over-expression significantly reduced OS but not DFS. In multivariate analysis, axillary lymph node metastasis, over-expression of MDR1 and HER2 were independent risk factors for prognosis. Conclusions ~Induction of multidrug resistance and poor response to chemotherapy and endocrinotherapy may be the chief reasons for poor prognosis of breast cancer with mutant p53 accumulation, and HER2 and MDR1 over-expression. ~Determination of the above genes′expression in breast cancer tissue can be of use in deciding the degree of ~malignancy , metastasis phenotype and prognosis of brest cancer. Increasing anthracycline dose may increase the ~overall response rate to chemotherapy and improve prognosis in patients with mutant p53 accumulation, HER2 and MDR1 over-expression, especially HER2 over-expression.

Arylalkylamine N-acetyltransferase (AANAT) and Hydroxyindole O-methyltransferase(HIOMT) are the key regulation enzymes in the melatonin biosynthesis pathway in mammals. The AANAT and HIOMT genes were constructed into a binary plant expression vector YXu55. Using leaf strips as the recipiences, we efficiently transformed tobacco (Nicotiana tabacum) variety qinyan 95 by the Agrobacterium mediated method. After gradient selection with gentamycin, a number of transgenic plants were regenerated. Southern blot and RT-PCR analyses showed that the AANAT-HIOMT genes were integrated into the genome of the transgenic plants and the target genes could express at the level of RNA transcription. By RP-HPLC, we measured the melatonin contents in transgenic plants. The results showed that the melatonin level in YXu55 (containing the gentamycin-resistance gene, the AANAT gene and HIOMT gene) transgenic plants were much higher than those in pZP122 (control containing only the gentamycin-resistance gene) transgenic plants and nontransgenic plants. The content of melatonin in pZP122 transgenic plants was nearly the same as that in nontransgenic plants. Physiological determination of antioxidative characteristics demonstrated that 1) the capacity of total antioxidation, 2) the activities of superoxide dismutase (SOD), peroxidase (POD) and catalase (CAT) and 3) the content of glutathione (GSH) were increased in YXu55 transgenic plants containing the AANAT-HIOMT genes as compared to the control plants (pZP122 or nontransgenic plants). At the same time, malonaldehyde (MDA) content did not appear remarkably difference between transgenic plants and nontransgenic plants. The above mentioned facts indicate enhancement of melatonin levels in YXu55 transgenic plants might help to reduce damage by oxidative stress.
Acetylserotonin O-Methyltransferase ; genetics ; Agrobacterium tumefaciens ; genetics ; Arylalkylamine N-Acetyltransferase ; genetics ; Catalase ; metabolism ; Gene Expression Regulation, Enzymologic ; Gene Expression Regulation, Plant ; Melatonin ; biosynthesis ; Peroxidase ; metabolism ; Plants, Genetically Modified ; enzymology ; genetics ; Superoxide Dismutase ; metabolism ; Tobacco ; enzymology ; genetics ; Transduction, Genetic ; methods

Objective To explore the effects of intervention model based on empowerment theory on health belief,self-care behavior and prognosis of patients with myocardial infarction after percutane-ous coronary intervention(PCI).Methods A total of 500 patients with PCI for myocardial infarction in the hospital from November 2021 to October 2023 were randomly divided into control group(n=250)and observation group(n=250).The control group was given routine intervention mode,the observation group was given intervention mode based on empowerment theory,and both groups were in-tervened until one month after discharge.Before and after intervention,the health belief[the Coronary Heart Disease Health Belief Scale(CADHBS)],self-care ability[the Evaluation for Self-care Ability(ESCA)],cardiac function indexes[left ventricular ejection fraction(LVEF)and 6 minutes walking test(6MWT)]and quality of life[the Chinese Questionnaire of Quality of Life in Chinese Patients with Cardiovascular Diseases(CQQC)]were compared between the two groups;the incidence rate of adverse cardiac events during intervention was compared between the two groups.Results Compared with the control group,the total score of CADHBS and the score of each dimension as well as the total score of ESCA and the score of each dimension in the observation group were significantly higher(P＜0.05).After intervention,the LVEF and 6MWT in the observation group were significantly higher than those in the control group(P＜0.05).The total incidence rate of adverse cardiac events was 19.60％in the observation group,which was significantly lower than 28.00％in the control group(P＜0.05).After intervention,the CQQC score in the observation group was significantly higher than that in the control group(P＜0.05).Conclusion For the patients with PCI for myocardial infarction,imple-mentation of intervention model based on empowerment theory can enhance health belief and self-care ability,improve the cardiac function and quality of life,and reduce the incidence rate of ad-verse cardiac events.

Objective To explore the effects of intervention model based on empowerment theory on health belief,self-care behavior and prognosis of patients with myocardial infarction after percutane-ous coronary intervention(PCI).Methods A total of 500 patients with PCI for myocardial infarction in the hospital from November 2021 to October 2023 were randomly divided into control group(n=250)and observation group(n=250).The control group was given routine intervention mode,the observation group was given intervention mode based on empowerment theory,and both groups were in-tervened until one month after discharge.Before and after intervention,the health belief[the Coronary Heart Disease Health Belief Scale(CADHBS)],self-care ability[the Evaluation for Self-care Ability(ESCA)],cardiac function indexes[left ventricular ejection fraction(LVEF)and 6 minutes walking test(6MWT)]and quality of life[the Chinese Questionnaire of Quality of Life in Chinese Patients with Cardiovascular Diseases(CQQC)]were compared between the two groups;the incidence rate of adverse cardiac events during intervention was compared between the two groups.Results Compared with the control group,the total score of CADHBS and the score of each dimension as well as the total score of ESCA and the score of each dimension in the observation group were significantly higher(P＜0.05).After intervention,the LVEF and 6MWT in the observation group were significantly higher than those in the control group(P＜0.05).The total incidence rate of adverse cardiac events was 19.60％in the observation group,which was significantly lower than 28.00％in the control group(P＜0.05).After intervention,the CQQC score in the observation group was significantly higher than that in the control group(P＜0.05).Conclusion For the patients with PCI for myocardial infarction,imple-mentation of intervention model based on empowerment theory can enhance health belief and self-care ability,improve the cardiac function and quality of life,and reduce the incidence rate of ad-verse cardiac events.

Objective:To summarize the evidence of cognitive training in breast cancer patients with chemotherapy-related cognitive impairment, so as to provide evidence-based evidence for clinical decision-making and practice.Methods:The literature about the relevant cognitive training in breast cancer patients with chemotherapy-related cognitive impairment were searched for CNKI, VIP database, Wanfang, SinoMed, PubMed, Web of Science, CINAHL, Embase, Cochrane Library, JBI as well as home and abroad official website of relevant professional institutes, including clinical decisions, guidelines, evidence summaries, systematic reviews, best practice information manuals, expert consensuses, and high-quality original studies. The literature retrieval period was from the database construction to March 1, 2023. Two researchers screened and evaluated the quality of the included literature, and extracted, generalized and summarized evidence according to the topic.Results:A total of 17 articles were involved, including 3 clinical decisions, 4 guidelines, 2 evidence summaries, and 8 systematic reviews. Finally, 6 evidence topics and 25 pieces of best evidences were formed, including screening and evaluation, training principles, training time, training place, training content, training effect.Conclusions:Cognitive training can effectively improve cognitive function in breast cancer patients with chemotherapy-related cognitive impairment. Medical staff should carefully select the best evidence, early screen and dynamically evaluate the cognitive changes of patients, follow the principle of step by step and dynamic adjustment, and carry out individualized cognitive training as soon as possible according to the treatment cycle and patients wishes, so as to prevent or delay chemotherapy-related cognitive impairment and improve the quality of life of patients.

Purpose: The aim of this study was to evaluate the value of elastography in the differential diagnosis of benign versus malignant testicular lesions. Methods: The PubMed, Cochrane Library, and Embase databases were searched for relevant studies. The diagnostic accuracy of elastography was evaluated using pooled sensitivity, specificity, likelihood ratio, post-test probability, diagnostic odds ratio, and by summarizing the area under the hierarchical summary receiver operating characteristic (HSROC) curve. Results: Seven studies with 568 lesions were included. The pooled sensitivity and specificity were 87% (95% confidence interval [CI], 81% to 92%) and 81% (95% CI, 65% to 90%), respectively. The pooled estimates of the positive likelihood ratio, negative likelihood ratio, and diagnostic odds ratio were 4.48 (95% CI, 2.37 to 8.47), 0.16 (95% CI, 0.10 to 0.25), and 28.11 (95% CI, 11.39 to 69.36), respectively. The area under the HSROC curve was 90% (95% CI, 88% to 93%). Conclusion Elastography is useful for assessing the stiffness of testicular lesions and for differentiating benign from malignant lesions. Elastography can be an effective supplement to conventional ultrasonography.

Objective To analyze the clinical features and prognosis of adult optic neuritis patients with positive serum myelin oligodendrocyte glycoprotein antibody (MOG-ON) or aquaporin 4 antibody (AQP4-ON).Methods A retrospective study. From December 2015 to February 2018, in the Beijing Chaoyang Hospital of Capital Medical University and Chinese PLA General Hospital, 162 eyes of 132 patients with positive serum MOG antibody and AQP4 were included in the study. There were 42 MOG-ON patients (49 eyes, 31.8％), 90 AQP4-ON patients (113 eyes, 68.2％). The clinical features of optic neuritis (annual recurrence frequency, incidence of optic disc edema), brain and optic nerve enhanced MRI, serum autoimmune antibodies and cerebrospinal fluid test results were compared between MOG-ON and AQP4-ON patients. All patients were treated with intravenous methylprednisolone sodium succinate in the acute phase and then switched to oral prednisone acetate tablets. The average follow-up time was 15 months. The glucocorticoid dependence, visual prognosis, spinal cord symptoms, and myelitis at the last follow-up were comparatively analyzed between MOG-ON and AQP4-ON patients. The comparison of the count data was performed by χ2 test, and the measurement data were compared byt test.Results Compared with AQP4-ON patients, MOG-ON patients had higher annual recurrence frequency (t=3.760,P=0.005), higher incidence of optic disc edema (χ2=14.777,P<0.001), higher incidence of hormone dependence (χ2=25.496,P<0.001), and better visual prognosis (χ2=28.759, P<0.001). MOG-ON patients were more likely to involve the optic nerve, AQP4-ON patients were more likely to involve the optic chiasm and the optic tract. There was a significant difference in the location of lesions between MOG-ON and AQP4-ON patients (χ2= 5.447,P= 0.015). The proportion of AQP4-ON patients with autoimmune antibodies was significantly higher than that of MOG-ON patients (χ2 = 20.453,P<0.001). The results of cerebrospinal fluid test showed that the white blood cell count of patients with MOG-ON and AQP4-ON were within the normal range, but the IgG level of AQP4-ON patients was significantly higher than that of MOG-ON patients (t=8.669,P<0.001). At the last follow-up, there were 7 and 29 patients of myelitis in MOG-ON and AQP4-ON patients respectively (χ2=3.494,P=0.046).Conclusions The clinical characteristics of MOG-ON were different from AQP4-ON. The incidence of optic disc edema and recurrence rate were higher, but the proportion of autoimmune antibodies was lower. MOG-ON was more likely to show hormone dependence, but the visual prognosis was better. AQP4-ON was easily involved in optic chiasm and optic tract, and the incidence of myelitis was higher.

Objective:To explore the serum tenascin-C levels in patients with acute ST-segment elevation myocardial infarction (STEMI) and its impact on the long-term prognosis.Methods:One hundred and thirteen STEMI patients who were admitted to the Department of Cardiology of the First Affiliated Hospital of Dalian Medical University and successfully underwent emergency PCI from June 2015 to June 2016 were included in this prospective study. The serum tenascin-C levels were measured during hospitalization, and the patients were divided into tenascin-C ≥ 120 μg/L group and tenascin-C<120 μg/L group according to the serum tenascin-C level. Major adverse cardiovascular events (MACE) were observed during the 5 years follow up in all patients. According to the incidence of MACE, the patients were divided into MACE group and non-MACE group, and the predictive factors of MACE were analyzed. Continuous variables were presented as the mean±standard deviation and compared with the Student′s t-test. Categorical variables were presented as percentages and compared with the Chi-square test or Fisher′s exact test. Receiver operating characteristic (ROC) curve was used to analyze the value of serum tenascin-C level in predicting MACE in STEMI patients. Kaplan Meier survival analysis was used to compare the incidence of MACE between two groups. Cox proportional hazards regression model was used to analyze the risk factors of MACE during the 5 years follow up.Results:The serum tenascin-C levels in the STEMI patients increased on the first day after the onset of disease (46.5±24.8 μg/L), peaked on the third day (97.5±41.2 μg/L), and then gradually decreased. All patients were followed up for 5 years. There were 37 cases of MACE, including 4 cases of cardiac death (3.5%), 14 cases of heart failure (12.4%), 14 cases of recurrent myocardial infarction or revascularization (12.4%), and 5 cases of stroke (4.4%). For prediction of MACE, the area under the curve of the serum TN-C level was 0.953 (95% CI 0.918-0.988, P<0.05), which was thus a valuable biomarker in predicting MACE for STEMI patients. The incidence of MACE in the group of tenascin-C≥120 μg/L group was higher than that in the group of tenascin-C<120 μg/L group (86.4% [19/22] vs 19.8% [18/91]), and Kaplan-Meier survival analysis showed that the difference was statistically significant ( P<0.05). Cox proportional hazards model analysis showed that serum tenascin-C level was an independent predictor of MACE for STEMI patients during the 5 years follow-up ( HR=1.007, 95% CI 1.001-1.012, P<0.05). In addition, other variables including high sensitivity C-reactive protein ( HR=1.028, 95% CI 1.007-1.049, P<0.05), and cardiac troponin Ⅰ ( HR=1.004, 95% CI 1.000-1.008, P<0.05) were also found to be the independent predictors of MACE. Conclusions:The serum tenascin-C levels in STEMI patients increased significantly during the acute disease phase. Detecting the serum tenascin-C levels is valuable for predicting MACE in STEMI patients, and serum tenascin-C is an independent predictor of MACE in STEMI patients during the long-term follow-up period after acute myocardial infarction.