Objective To explore the effect of triptolide(TL) combined with hyperthermia on proliferation and apoptosis of Hep-2 cells and its affect on cell cycle phases,and provide theoretical foundation for treatment of laryngocarcinoma.Methods Hep-2 cells at logarithmic growth phase were randomly divided into control,hyperthermia,TL,TL combined with hyperthermia groups.MTT method was adopted to investigate the proliferation inhibition rate of the Hep-2 cells.Cell cycle and apoptotic rate of Hep-2 cells were analyzed by flow cytometry,and then the changes of subcellular structures were observed by electron microscope.Results The proliferation inhibition rates in hyperthermia,TL,TL combined with hyperthermia groups were 21.2%,28.5% and 54.5%,respectively;the proliferation inhibition rate in TL combined with hyperthermia group was higher than those in hyperthermia and TL groups(P

Objective To investigate the characteristics of coronary's pathological changes in patients with impaired glucose tolerance. Methods Four-hundred and ninety patients who were suspected with ischemic chest pain were divided into three groups according to their OGTT results: (1) IGT group: n = 161,(2) 12DM group:n = 159, (3) NGT group: n = 170. Serum levels of triglyceride (TG) , total cholesterol (TC) , highdensity lipoprotein cholesterol (HDL-C) , low-density lipoprotein cholesterol (LDL-C) and high sensitive Creactive protein (hs-CRP) were detected, their body mass indexes (BMI) were calculated. General clinical information (including gender, age, history of smoking, history of hypertension) were collected. All the CAG results were analyzed and Gensini scores were assessed as well. Results The TG levels in the T2DM group and IGT group ([2. 41 ± 1.70] mmol/L and [2. 26 ± 1. 20] mmol/L) were significantly higher than that of the NGT group (1.95 ± 1.14) mmol/L, the differences were significant (t=0.4610,0.3124, P<0. 01 and 0.05,respectively),whereas there was no significant difference between the IGT group and T2DM group (P >0.05);No significant difference was found among the three groups about TC, HDL-C, LDL-C levels (either P > 0.05). The levels of hs-CRP in T2DM group ([2. 38 ± 1. 76] mg/L and IGT group [2. 33 ± 2. 03] mg/L) were higher compared with the NGT group ([1. 54 ± 1. 32] mg/L), the differences were significant (t = 0. 8391,0. 7815, Ps < 0. 01), whereas there was no significant difference between the IGT group and T2 DM group (P >0.05). BMIs of the IGT group ([25.50 ± 3.04]kg/m2) and T2DM group ([26.09 ± 2.86]kg/m2) were higher than that of the NGT group ([24. 70 ± 3. 27] kg/m2), the differences were significant (t = 0. 8063,1. 3947, P<0. 05 and <0.01, respectively),whereas no significant difference was found between the T2DM group and IGT group (P > 0. 05). The incidence of single coronary pathological changes was 44.7% in the NGT group,it was higher than that of the IGT group (23. 6%) and T2DM group (18. 9%) (x2 = 16. 310,25. 116,Ps < 0. 05), whereas there was no significant difference between the IGT group' and T2DM group (P > 0. 05);The incidences of 2 branches pathological changes in the T2DM group (37. 1%) and IGT group (39. 8%) were higher compared with NGT group (23. 5%) ,the differences were significant (x2 =1. 200,10. 099,Ps <0. 05),whereas there was no significant difference between the IGT group and T2DM group (P >0. 05) ;The incidences of 3 vessels pathological changes in the T2DM group (40.9%) and IGT group (33. 5%) were higher than that of the NGT group (20. 0%) , the differences were significant (x2 = 7. 767,17. 028, Ps < 0.05), there was no significant difference between the IGT group and T2DM group (P > 0. 05). The incidence of subtotal or total occlusion of the T2DM group and IGT group were 22. 6% and 18.0% respectively,both were higher than that of the NGT group(7. 6%) (x2 = 14. 573,8. 019 ,Pa < 0.05) , whereas no significant difference was found between the T2DM group and IGT group (P > 0. 05). The incidences of vascular diffusing pathological change in the IGT group (24. 8%) and T2DM group (30. 8%) were higher compared with the NGT group (12.4%) (x2 =8.583,16.724, Ps < 0.05), whereas there was no significant difference between the IGT group and T2DM group (P >0.05). The Gensini scores in the IGT group (55. 05 ± 22. 99) and T2DM group(56. 15 ± 24. 87) were significnatly higher than that of the NGT group (38. 03 ± 17. 38), the differences were significant ((t =17.0142,18. 1186,Ps <0.01),whereas there was no significant difference between the IGT group and T2DM group (P>0.05). Conclusion The incidences of 2 and 3 vessels pathological changes increase significantly in patients with IGT. Moreover, the incidences of occlusion and diffuse stenosis increase significantly. This is similar to the coronary artery pathological charactersitics in patients with diabetes, which indicates that IGT is closely related to the pathological severity of coronary artery. We should pay much attention to those patients with IGT in the clinical work.

In order to investigate the relationship between sex dysplasia and sex-determining region Y (SRY) gene, 8 patients with sexual abnormality were analyzed by cytogenetic and molecular genetic methods. Fluorescence in situ hybridization (FISH) using PY3.4, X alpha satellite, and SRY probes was performed in each case to analyze the sex chromosome translocation and gene translocation. SRY gene was amplified by polymerase chain reaction (PCR) and its mutation was detected by direct sequencing. The results showed that among 8 patients, 5 were positive for SRY and the remaining negative for SRY. In the patients positive for SRY genes, 3 presented testes and the left 2 streak ovaries. In the patients negative for SRY, only one case presented testes, while 2 ovaries. Direct sequencing demonstrated that all SRY genes were normal in the patients positive for SRY genes. FISH technique demonstrated that SRY genes translocated from Ypter to Xpter in 2 46,XX phenotypic males positive for SRY genes. It was concluded that SRY gene is strongly involved in male sex determination, while a sequence of other genes may be taken into account in sexual development.
Genes, sry/*genetics ; Gonadal Dysgenesis, 46,XX/genetics ; Gonadal Dysgenesis, 46,XY/genetics ; Sex Chromosome Disorders/*genetics ; Sex-Determining Region Y Protein/*genetics

Objective:To investigate the role of NIMA-related kinase-7 (NEK7) in breast cancer (BC) and its potential molecular mechanism.Methods:Quantitative real-time reverse-transcription (RT-qPCR) was used to detect the expression of NEK7 in BC tissue and cell lines. The effect of NEK7 on BC cell proliferation was examined by CCK-8. Proteins interacted with NEK7 were screened in Biological database. The effect of overexpression of NOD-like receptor protein 3 (NLRP3) on BC cell proliferation was evaluated. Western blot was used to detect NLRP3 protein expression, and ELISA was employed to evaluate IL-1β and IL-18 expression level.Result:NEK7 was upregulated in BC tissues and cells, and enforced-expression of NEK7 promoted BC cell proliferation[NEK7 over-expression group: 24 h: (0.33±0.02) , 48 h: (0.59±0.02) , 72 h: (0.76±0.02) ; Blank group: 24 h: (0.30±0.02) , 48 h: (0.45±0.02) , 72 h: (0.62±0.03) ; NEK7 empty vector group: 24 h: (0.32±0.02) , 48 h: (0.46±0.02) , 72 h: (0.63±0.03) ]. There was a positive correlation between NEK7 and NLRP3 ( R=0.13) . Overexpression of NLRP3 increased the proliferation ability of BC cell[NLRP3 over-expression group: 24 h: (0.35±0.02) , 48 h: (0.65±0.02) , 72 h: (0.80±0.03) ; Blank group: 24 h: (0.33±0.02) , 48 h: (0.51±0.02) , 72 h: (0.66±0.03) ; NLRP3 empty vector group: 24 h: (0.34±0.02) , 48 h: (0.52±0.03) , 72 h: (0.66±0.03) ]. NEK7 could positively regulate NLRP3 protein and up-regulate IL-1β (NEK7 over-expression group: 129.96±7.62 pg/ml, Blank group: 19.80±2.42pg/ml, NEK7 empty vector group: 21.30±1.77 pg/ml) and IL-18 (NEK7 over-expression group: 144.08±17.20 pg/ml, Blank group: 16.84±2.34pg/ml, NEK7 empty vector group: 17.64±1.94 pg/ml) expression. Conclusion:The upregulation of NEK7 was involved in the process of BC progression by inducing NLRP3 inflammasome activation, suggesting that NEK7 might be a promising therapeutic target for BC.

In order to investigate the relationship between sex dysplasia and sex-determining region Y (SRY) gene, 8 patients with sexual abnormality were analyzed by cytogenetic and molecular genetic methods. Fluorescence in situ hybridization (FISH) using PY3.4, X alpha satellite, and SRY probes was performed in each case to analyze the sex chromosome translocation and gene translocation. SRY gene was amplified by polymerase chain reaction (PCR) and its mutation was detected by direct sequencing. The results showed that among 8 patients, 5 were positive for SRY and the remaining negative for SRY. In the patients positive for SRY genes, 3 presented testes and the left 2 streak ovaries. In the patients negative for SRY, only one case presented testes, while 2 ovaries. Direct sequencing demonstrated that all SRY genes were normal in the patients positive for SRY genes. FISH technique demonstrated that SRY genes translocated from Ypter to Xpter in 2 46,XX phenotypic males positive for SRY genes. It was concluded that SRY gene is strongly involved in male sex determination, while a sequence of other genes may be taken into account in sexual development.
Female ; Genes, sry ; genetics ; Gonadal Dysgenesis, 46,XX ; genetics ; Gonadal Dysgenesis, 46,XY ; genetics ; Humans ; Male ; Sex Chromosome Disorders ; genetics ; Sex-Determining Region Y Protein ; genetics

Objective To survey birth defects of neonates conceived by using various types of in vitro fertilization and embryo transfer (IVF-ET) between 1998 and 2007 in Shanghai. Methods From 1998 to 2007, 8507 neonates from 6551 pregnancies conceived through assistant reproductive technology (ART) from 7 reproductive medicine center in Shanghai were enrolled in this retrospective study, including Shanghai Ji-Ai Genetics and IVF Institute, Shanghai Jiaotong University School of Medicine affiliated Renji Hospital,Buijin Hospital, China Welfare Institute International Maternal and Infant Health Hospital, Shanghai First Maternity and Infant Health Hospital, Shanghai the Ninth People's Hospital and the Second Military Medical University affiliated Changhal Hospital. The clinical data about the type and incidence of birth defect were analyzed. Meanwhile, the factors associated with birth defect were investigated, such as various ART,gender, mother age, numbers of gestational sac, the source and quality of sperm. Results The birth defect rate was 1.08% (92/8507) and the most remarkable malformation occurred in circulation system [34% (31/92)]. The rates of major congenital malformations were 1.21% (34/2799) in fresh conventional IVF-ET, 1.07% (20/1871) in IVF-frozen-thawed embryo transfer(IVF-FET), 1.04% (23/2212) in fresh intracyto plasmic sperm injection (ICSI)-ET and 0.92% (15/1625) in ICSI-FET, which did not show statistical difference (P>0.05). There was also no significantly different incidence of malformations between 1.12% (49/4371) in male neonates and 1.02% (42/4136) in female neonates (P >0.05).However, the occurrence of congenital malformation is positively related with maternal age, the rates were 0.84% (41/4884) in mother's age less than 30 years and 1.77% (16/902) in mother' age more than 35 years, which reached statistical difference (P < 0.05). It also showed remarkable different incidence among 0.53% (25/4679) in singletons, 1.59% (57/3576) in twins and 3.97% (10/252) in triplets (P< 0.05). No remarkable difference of malformation rate among sperm sources used in fertilization were observed, including 1.09% (81/7419)in ejaculated sperm, 1.21% (7/579)in percutaneous epididymal aspiration (PESA) and 0. 79% (4/509) in donor sperm (P>0.05). Conclusions The overall incidence of birth defect in neonates from ART is similar to those conceived naturally and is not associated with different types of IVF-ET, embryo cryopreservation, sperm sources. However, maternal age and multiple pregnancies coder the higher possibility of birth defect.

Objective:To establish Wistar rat models of acute radiation esophagitis, and observe the histopathological changes at different time points after modeling.Methods:Wistar rats were locally irradiated with different doses of 6 MV X-rays, and the rats were sacrificed on the 3 rd, 5 th, 7 th, and 14 th days after irradiation. The full-length esophagus tissue was taken for paraffin embedding, sectioning, and hematoxylin and eosin (HE) staining for pathological assessment. The pathological changes of the esophagus of the rats were observed at the 3 rd, 5 th, 7 th, and 14 th days after 25 Gy and 30 Gy irradiation. The changes of daily dietary intake of rats in different irradiation groups within 1-2 weeks after radiation exposure were observed. Results:No rat died in two groups after being irradiated with 25 Gy and 30 Gy rays. All the rats in the 30 Gy group had esophagus injury. On the 7 th day, the degree of injury was the most serious, with a pathological score of 5.00±0.75 and a food intake of 0 g. On the 14 th day, the degree of injury was relieved, and the food intake was restored to the level before irradiation. Conclusions:The Wistar rat model of acute radiation esophagitis can be established by a single dose of 6 MV X-ray 30 Gy irradiation to the esophagus. The 7 th day after irradiation is an ideal observation time for the acute injury phase, which is gradually alleviated after the 7 th day. The time can be chosen from 7-14 days after irradiation as the observation point for the healing repair phase.

The degree of hemodynamic support by vasoactive drugs in critically ill patients is often considered one of the markers of disease severity. The sequential organ failure assessment (SOFA), European system for cardiac operative risk evaluation Ⅱ (EuroScoreⅡ), and other scores only roughly quantify the drug support of cardiovascular system. When patients need large doses of vasoactive drugs, the mortality increases accordingly. The vasoactive-inotropic score (VIS) objectively quantifies the degree of cardiovascular support using a simple formula that standardizes the dose of different agents, and it is recommended as a simple, effective, and accurate prognostic indicator. In recent years, there are more and more clinical applications and related studies at home and abroad. This paper reviews the application and progress of VIS score in critically ill patients, providing help for doctors to judge the condition and prognosis of patients and guiding the decision-making of diagnosis and treatment.

Objective To understand the discharge readiness of fathers of preterm infants in the Neonatal Intensive Care Unit(NICU),analyze its influencing factors,and provide a basis for formulating individualized discharge health education plans and continuous care plans.Methods A convenience sampling method was employed to select fathers of preterm infants admitted to the NICU in a tertiary A hospital in Zhejiang Province from March 2022 to June 2022 as the subjects of the study.A general information questionnaire and the Discharge Readiness-Parent Version scale were used for the survey.Multiple linear regression analysis was applied to analyze the factors influencing the discharge readiness of fathers of NICU preterm infants.Results A total of 186 fathers of NICU preterm infants were included in the study.The total score of the Discharge Readiness-Parent Version scale was(179.97±28.20)points;the standardized score was(7.82±1.16)points;33.3％of the fathers of preterm infants had a standardized score of＜7 points.Multiple linear regression analysis results showed that the factors influencing the discharge readiness of fathers of NICU preterm infants included the gestational age at birth,birth weight,length of hospital stay,distance to access healthcare service,as well as the fathers'age,annual family income,and number of children in the family.Conclusion The discharge readiness of fathers of NICU preterm infants is at a moderate level.Nursing staff need to pay attention to the discharge readiness of fathers of preterm infants who have lower gestational age at birth,lower birth weight,longer hospital stays,longer distance to healthcare service,and who are younger,have lower annual family income,and are having their first child.Individualized discharge health education plans and continuous care plans should be formulated for them to improve their caregiving knowledge and skills.

Background: Acute non-variceal upper gastrointestinal bleeding (ANVUGIB) is a common critical illness in clinical practice. Early gastroscopic intervention may detect the bleeding lesion, and endoscopic treatment can be performed if necessary. Aims: To explore the value of ultra-early emergency gastroscopy (performed within 4 hours of bleeding) in patients with ANVUGIB. Methods: A total of 120 patients with ANVUGIB admitted from December 2019 to October 2020 at the Jinhua Hospital were recruited in this retrospective study. All patients received an emergency gastroscopy after admission. According to the timing of emergency gastroscopy, they were divided into three groups: ultra-early group (gastroscopy performed within 4 hours of bleeding), early group (gastroscopy performed within 4-24 hours of bleeding), and routine group (gastroscopy performed within 24-48 hours of bleeding). The detection rate of bleeding lesion and efficacy of endoscopic intervention were compared between the three groups. Results: The detection rate of bleeding lesion in ultra-early group was moderately higher than that in early group and routine group with no significant difference (94.6% vs. 89.7% and 86.4%, P>0.05). There were no significant differences in immediate hemostasis rate, rebleeding rate and mortality rate between the three groups (P>0.05). But the time of oral feeding, amount of blood transfusion, as well as the length and cost of hospital stay in ultra-early group were superior to those in early group and routine group (P<0.05). Conclusions: Ultra-early emergency gastroscopy within 4 hours of bleeding can increase the detection rate of bleeding lesion, accelerate the time of oral feeding, and reduce the amount of blood transfusion. It is beneficial for establishing definite diagnosis and may guide the treatment regimen in patients with ANVUGIB.