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1.
Article in Chinese | WPRIM | ID: wpr-883542

ABSTRACT

Objective:With the development of digital technology, network technology and mobile technology, new media aided-teaching has become a hot topic in medical teaching. However, the studies about the application of new media aided-teaching in training for professional postgraduates of neurosurgery are still less studied.Methods:In this study, 24 Batch 2015-2016 professional postgraduates of neurosurgery from Neurosurgery Department of Affiliated Hospital of Southwest Medical University were divided into the test group and control group, with 12 students in each group. From September 2016 to August 2018, students in the test group were taught with conventional teaching and various new media such as WeChat official accounts, professional video sharing websites and so on. The control group adopted conventional teaching methods. Students' theoretical knowledge, operation ability and clinical research ability were assessed between the two groups. SPSS 22.0 software was used for t test and descriptive statistics on the data.Results:The results of t test analysis showed that the scores of theoretical knowledge and general ability in test group were higher than those in control group, with significant differences ( P < 0.05). Meanwhile, the scores of teaching satisfaction, professional interest, teaching participation, knowledge mastery and scientific research ability in the test group were higher than those in the control group, with significant differences ( P<0.05). Conclusion:Conventional teaching combined with new media aided-teaching is a good new training model for professional postgraduates of neurosurgery, which has improved students' participation and motivation of study and contributed to the training of medical students' comprehensive abilities.

2.
Article in Chinese | WPRIM | ID: wpr-882885

ABSTRACT

The clinical data of a child with chemical pneumonia caused by kerosene in Hainan Maternal and Children′s Medical Center in June 2019 were retrospectively analyzed.The patient was a 2 years and 1 month old boy with a history of kerosene inhalation and fever.The clinical features included low breath sounds in the left lung and dry and wet rales in both lungs.The white blood cells (WBC) level, C-reactive protein (CRP) level, and erythrocyte se-dimentation rate (ESR) were significantly increased.Chest CT showed inhalation pneumonia.Chest ultrasound suggested medium pleural effusion on the left side.The patient was given antibiotics, nebulization and other treatment.On the 12 th day of the course of the disease, his temperature returned to normal, and breath sounds on the left side were stronger than before.The WBC level, CRP level and ESR were improved according to the re-check results, but pulmonary ventilation was still obstructed mildly to moderately.Fourteen days after hospital discharge, the patient coughed less.Reexamination of chest CT prompted the lesions were further absorbed, but the mild to moderate obstructive lesions were still observed.With the reduction of kerosene use in daily life, kerosene-induced chemical pneumonia is rare, but due to its diverse and complex clinical manifestations and slow absorption of pulmonary inflammation, attention should be paid to its progression into chronic cough.

3.
Article in Chinese | WPRIM | ID: wpr-877670

ABSTRACT

OBJECTIVE@#To explore the impacts on weight reduction effect treated with acupoint thread embedding therapy at different tissue levels under ultrasonic guidance.@*METHODS@#A total of 70 patients with overweight or obesity were randomized into a shallow-tissue thread embedding group (35 cases, 5 cases dropped off) and a deep-tissue thread embedding group (35 cases, 4 cases dropped off). Under ultrasonic guidance, the thread was embedded in the shallow tissue level and the deep tissue level respectively. The acupoints were Zhongwan (CV 12), Xiawan (CV 10), Shuifen (CV 9), Zhongji (CV 3), etc. The thread embedding therapy was exerted once every 2 weeks, totally for 3 times. Before and 2 weeks after treatment, body mass, body mass index (BMI), waist circumference and hip circumference were recorded in the patients of the two groups separately. After each treatment, the number and the property of blood vessels under each acupoint were detected by ultrasound. Besides, the needling sensation and the intensity were scored and the adverse events were observed after thread embedding therapy.@*RESULTS@#After treatment, the reduction range of body mass, BMI and waist circumference in the deep-tissue thread embedding group were larger than those in the shallow-tissue thread embedding group successively (@*CONCLUSION@#The deep-tissue thread embedding therapy achieves the stronger


Subject(s)
Acupuncture Points , Acupuncture Therapy , Body Mass Index , Catgut , Humans , Ultrasonics , Weight Loss
4.
Singapore medical journal ; : 458-465, 2021.
Article in English | WPRIM | ID: wpr-920941

ABSTRACT

INTRODUCTION@#Chest radiographs (CXRs) are widely used for the screening and management of COVID-19. This article describes the radiographic features of COVID-19 based on an initial national cohort of patients.@*METHODS@#This is a retrospective review of swab-positive patients with COVID-19 who were admitted to four different hospitals in Singapore between 22 January and 9 March 2020. Initial and follow-up CXRs were reviewed by three experienced radiologists to identify the predominant pattern and distribution of lung parenchymal abnormalities.@*RESULTS@#In total, 347 CXRs of 96 patients were reviewed. Initial CXRs were abnormal in 41 (42.7%) out of 96 patients. The mean time from onset of symptoms to CXR abnormality was 5.3 ± 4.7 days. The predominant pattern of lung abnormality was ground-glass opacity on initial CXRs (51.2%) and consolidation on follow-up CXRs (51.0%). Multifocal bilateral abnormalities in mixed central and peripheral distribution were observed in 63.4% and 59.2% of abnormal initial and follow-up CXRs, respectively. The lower zones were involved in 90.2% of initial CXRs and 93.9% of follow-up CXRs.@*CONCLUSION@#In a cohort of swab-positive patients, including those identified from contact tracing, we found a lower incidence of CXR abnormalities than was previously reported. The most common pattern was ground-glass opacity or consolidation, but mixed central and peripheral involvement was more common than peripheral involvement alone.


Subject(s)
COVID-19 , Humans , Lung/diagnostic imaging , Radiography, Thoracic , Retrospective Studies , SARS-CoV-2 , Singapore
5.
Journal of Preventive Medicine ; (12): 236-240, 2021.
Article in Chinese | WPRIM | ID: wpr-876109

ABSTRACT

Objective@#To analyze the epidemic trend of viral hepatitis in Nanjing from 1989 to 2019 and predict the incidence in 2020, so as to provide reference for the prevention and control of viral hepatitis.@*Methods@#The incidence data of viral hepatitis in Nanjing from 1989 to 2019 was retrieved from Nanjng Center for Disease Control and Prevention and National Infectious Disease Reporting System. The epidemic trend was analyzed by estimating the annual percent change ( APC ) and the average annual percent change ( AAPC ). The seasonal incidence of different types of viral hepatitis was analyzed by seasonal index. The autoregressive integrated moving average model ( ARIMA ) was built to predict monthly incidence rate of viral hepatitis in 2020. @*Results@#The annual incidence rate of viral hepatitis was 62.00/100 000 in Nanjing from 1989 to 2019, showing a downward trend ( AAPC=8.4%, P<0.05 ). From 1998 to 2019, the annual incidence rates of hepatitis A, B, C and E were 1.98/100 000, 14.31/100 000, 2.30/100 000 and 2.60/100 000. The incidence of hepatitis A and B showed downward trends ( AAPC=-11.81%, -6.02%, both P<0.05 ); the incidence trend of hepatitis C was not obvious ( P>0.05 ); the incidence of hepatitis E showed an increasing trend ( AAPC=4.82%, P<0.05 ). From 2015 to 2019, the third and fourth quarters were the epidemic seasons of hepatitis A, B and C, while the first and second quarters were the epidemic seasons of hepatitis E. The ARIMA model predicted that the monthly incidence rates of viral hepatitis in 2020 would range from 1.26/100 000 to 3.69/100 000, among which hepatitis B ranged from 1.21/100 000 to 2.58/100 000, hepatitis C from 0.20/100 000 to 0.48/100 000, hepatitis E from 0.09/100 000 to 0.25/100 000. @*Conclusions@#The incidence of viral hepatitis in Nanjing shows a downward trend. Among different types of hepatitis, hepatitis B has a higher incidence. All types of hepatitis have epidemic seasons. It is predicted that the monthly incidence rates of viral hepatitis will be 1.26/100 000 to 3.69/100 000 in 2020.

6.
Chinese Journal of Urology ; (12): 849-855, 2021.
Article in Chinese | WPRIM | ID: wpr-911132

ABSTRACT

Objective:To explore the correlation between CCAAT enhancer binding protein beta (CEBPB) expression and clinical characteristics in ccRCC, and to investigate the effect of CEBPB on proliferation and invasion of ccRCC cells.Methods:Between March 2020 to December 2020, the transcriptome and clinical data of 537 ccRCC cases were downloaded from TCGA database, and the correlation of CEBPB expression with clinical characteristics of ccRCC were analyzed. Univariate and multivariate Cox regression analysis were used to determine the effect of CEBPB expression on the prognosis of ccRCC patients. The correlation between CEBPB expression and immunocyte infiltration in ccRCC was investigated via TIMER database. The expression levels of CEBPB mRNA and protein in human renal tubular epithelial cell line HK2 and ccRCC cell lines (Caki-1, ACHN, 786O, 769P and A498) were determined by real-time PCR and western blot, respectively. After transfected with NC siRNA or CEBPB siRNA for 48 h, the proliferation and invasion of ACHN cells and 786O cells were determined by using MTT assay and invasion assay, respectively.Results:TCGA databases analysis revealed that, compared with normal kidney tissue, the expression of CEBPB mRNA in ccRCC was up-regulated by 2.55-fold ( P<0.05). CEBPB expression was positively correlated with age, tumor grade, tumor stage, lymph node metastasis and distant metastasis ( P<0.05). The tumor grade ( HR=1.703, P=0.040), tumor stage( HR=1.773, P=0.026), distant metastasis ( HR=3.080, P<0.001) and the high expression of CEBPB ( HR=1.874, P=0.003) were independent poor prognostic factors for ccRCC patients. The analysis results by using TIMER database showed that CEBPB expression was positively correlated with infiltrating levels of B cells (Rho=0.168), M2 macrophages (Rho=0.373), Tregs (Rho=0.348), neutrophils (Rho=0.194), and natural killer T cell (Rho=0.421) in ccRCC. The expression level of CEBPB mRNA in Caki-1, ACHN, 786O, 769P and A498 cells was (9.43±1.25)-fold, (5.44±0.82)-fold, (4.50±0.52)-fold, (4.88±0.73)-fold and (7.50 ± 1.04)-fold of HK2 cells, respectively. The expression level of CEBPB protein was (6.22±0.45)-fold, (5.84±0.85)-fold, (6.51±0.55)-fold, (6.23±0.62)-fold and (3.84±0.45)-fold of HK2 cells, respectively ( P<0.05). MTT assay showed that the proliferation rates of ACHN cells and 786O cells at 24, 48, 72, 96 h were (98.4±1.7)% and (99.0±1.4)%, (97.8±2.1)% and (98.5±1.5)%, (101.3±1.2)% and (97.6±1.7)%, (97.5±2.0)% and (99.1±1.3)% in NC siRNA group, and (68.8±5.8)% and (79.5±6.2)%, (57.9 ± 6.1)% and (70.8±5.1)%, (50.9±4.6)% and (66.8±4.9)%, (43.2±5.0)% and (60.5±5.3)% in CEBPB siRNA group. Compared with NC siRNA group, the proliferation activity of ACHN cells and 786O cells was significantly inhibited in the CEBPB siRNA group ( P<0.05). Cell invasion assay showed that the invasion activity of ACHN cells and 786O cells were (95.0±5.2)% and (97.3±4.4)% in NC siRNA group, (35.2±5.4)% and (26.7±3.3)% in CEBPB siRNA group, respectively ( P<0.05). Compared with NC siRNA group, the invasion activity of ACHN cells and 786O cells were significantly inhibited in the CEBPB siRNA group ( P<0.05). Conclusions:CEBPB was highly expressed in ccRCC, which was closely related to the prognosis and immunocyte infiltration of ccRCC patients. Silencing the expression of CEBPB significantly inhibited the proliferation and invasion of ccRCC cells

7.
Rev. bras. cir. cardiovasc ; 35(4): 521-529, July-Aug. 2020. tab, graf
Article in English | SES-SP, LILACS, SES-SP | ID: biblio-1137296

ABSTRACT

Abstract Objective: To detect the potential risk factors associated with early mortality in patients who received extensive surgical management, in the form of total arch replacement plus frozen elephant trunk and arch debranching (hybrid repair technique), for acute type A aortic dissection. Methods: The clinical and surgical data of 452 surgically treated patients with acute type A aortic dissection at our center, between March 2010 and December 2016, have been retrieved. Uni and multivariate logistic regression analyses were carried out to detect the effect of various preoperative demographics and different perioperative variables on early mortality. Results: Overall 30-day mortality occurred in 70 out of 452 patients (15.4%). The principal causes of death were multiple organ failure (n=38), cardiac failure (n=18), and severe pulmonary infection (n=10). Risk factors for early mortality were identified with multivariate analysis. Preoperatively, overweight (P<0.025), alcohol drinking (P<0.002), coronary artery disease (P<0.014), hemodynamic shock (P<0.006), and elevated white blood cells count (P<0.002) were associated with higher mortality rate. Postoperatively, prolonged operation time (P<0.008), stroke (P<0.0001), and acute renal dysfunction (P<0.0001) were highly associated with death. Conclusion: Considering the advantages of extensive surgical management for acute type A aortic dissection over the other less aggressive surgical approaches, it should be advised whenever indicated, provided that being carried out by experts in the field of adult aortic surgery in high-volume centers. The surgeon should be aware of the patient's preoperative comorbidities and other risk factors for early mortality, in particular, prolonged operation time.


Subject(s)
Humans , Male , Female , Adult , Middle Aged , Aortic Aneurysm, Thoracic/surgery , Aneurysm, Dissecting/surgery , Comorbidity , Retrospective Studies , Risk Factors , Treatment Outcome
8.
Article in Chinese | WPRIM | ID: wpr-863984

ABSTRACT

Novel Coronavirus Pneumonia (NCP) is a class B infectious disease, which is prevented and controlled according to class A infectious diseases.Recently, children′s NCP cases have gradually increased, and children′s fever outpatient department has become the first strategic pass to stop the epidemic.Strengthening the management of the fever diagnosis process is very important for early detection of suspected children, early isolation, early treatment and prevention of cross-infection.This article proposes prevention and control strategies for fever diagnosis, optimizes processes, prevents cross-infection, health protection and disinfection of medical staff, based on the relevant diagnosis, treatment, prevention and control programs of the National Health and Health Commission and on the diagnosis and treatment experience of experts in various provinces and cities.The present guidance summarizes current strategies on pre-diagnosis; triage, diagnosis, treatment, and prevention of 2019-nCoV infection in common fever, suspected and confirmed children, which provide practical suggestions on strengthening the management processes of children′s fever in outpatient department during the novel coronavirus pneumonia epidemic period.

9.
Article in Chinese | WPRIM | ID: wpr-872268

ABSTRACT

Since the outbreak of COVID-19, several prevention and control measures have been successively promulgated in Wuhan. To name a few, setup of designated hospitals for severe COVID-19 patients is key to enforcing the policy of pooling patients, experts, resources and standardizing treatment. These efforts contribute decisively to improving the cure rate and reducing the mortality of COVID-19. As one of the designated hospitals composed of multiple medical teams, Wuhan Union Hospital put in place a joint working mode for treating severe COVID-19 patients, and found solutions to the main problems and difficulties in management. Its experiences provide references for the operation of joint medical institutions in emergency.

10.
Article in Chinese | WPRIM | ID: wpr-811584

ABSTRACT

Novel Coronavirus Pneumonia (NCP) is a class B infectious disease, which is prevented and controlled according to class A infectious diseases. Recently, children′s NCP cases have gradually increased, and children′s fever outpatient department has become the first strategic pass to stop the epidemic. Strengthening the management of the fever diagnosis process is very important for early detection of suspected children, early isolation, early treatment and prevention of cross-infection. This article proposes prevention and control strategies for fever diagnosis, optimizes processes, prevents cross-infection, health protection and disinfection of medical staff, based on the relevant diagnosis, treatment, prevention and control programs of the National Health and Health Commission and on the diagnosis and treatment experience of experts in various provinces and cities. The present guidance summarizes current strategies on pre-diagnosis; triage, diagnosis, treatment, and prevention of 2019-nCoV infection in common fever, suspected and confirmed children, which provide practical suggestions on strengthening the management processes of children′s fever in outpatient department during the novel coronavirus pneumonia epidemic period.

12.
Article in Chinese | WPRIM | ID: wpr-816070

ABSTRACT

Bicuspid aortic valve stenosis(BAVs) is a relative contraindication for transcatheter aortic valve replacement(TAVR) because of its abnormal anatomical structures and pathological characteristics that result in a lower device success rate in BAVs than that in patients with tricuspid aortic valve. However, with the optimization of TAVR strategies and the application of new-generation devices,the effect of TAVR treatment on BAVs patients has been improved. Thus, the article is to introduce the characteristics of BAVs and the progress of TAVR in treatment of BAVs.

13.
Chinese Journal of Surgery ; (12): 776-780, 2018.
Article in Chinese | WPRIM | ID: wpr-807480

ABSTRACT

Objective@#To observe the clinical efficacy of Ningmitai capsules, a traditional Chinese medicine using for clearing heat and dampness, in the treatment of residual fragments and postoperative complications following lithotripsy for upper urinary stones.@*Methods@#During October 2016 and March 2018, patients from Wuhan 1st Hospital, Wuhan 2nd Hospital, Wuhan 3rd Hospital, and Wuhan Puai Hospital having upper urinary residual fragments following minimally-invasive stone treatment were randomly assigned to control group and Ningmitai group with a proportion of 1∶3. The patients in control group were treated with antibiotics or sodium diclofenac suppository on demand, while patients in Ningmitai group took additional Ningmitai capsule orally (4 capsules per time, 3 times per day). The observation was started when a patient was enrolled in this study and continued for a maximum of 12 weeks or until stone-free status. During the observation, the stone expulsion time, stone-free time, stone-free rate were observed, and the difference in curative effect between the two groups on postoperative complications such as pain and infection were compared. Statistical analysis was done using t-test or χ2 test by GraphPad Prism 5 software.@*Results@#Totally 269 cases enrolled in this study. Eighty-six patients were from Wuhan 1st Hospital, 69 patients from Wuhan 2nd Hospital, 58 patients from Wuhan 3rd Hospital, 56 patients from Wuhan Puai Hospital, respectively. There were 66 cases in control group and 203 cases in Ningmitai group. The residual fragments expulsion time in Ningmitai group was significantly earlier than that in control group ((4.5±0.4) days vs. (7.5±1.3) days, t=2.877, P=0.004), the residual fragments clearance time in Ningmitai group was significantly shorter than that in control group ((13.6±1.0) days vs.(25.6±3.8) days, t=4.252, P=0.000), and the stone-free rate within 4 weeks post operation in Ningmitai group was significantly higher than control group (91.6% vs. 68.2%, χ2=22.57, P=0.000). After 12 weeks of treatment, the total effective rate of control group was 89.4%, and the total effective rate of Ningmitai group was 99.5%, with statistically significant difference (χ2=17.65, P=0.000). The proportion of caregivers that offered analgesia in Ningmitai group was significantly lower than that in control group (16.3% vs. 30.3%, χ2=6.212, P=0.013), the recovery rate of routine urinalysis following 4 weeks′ treatment was significantly higher in Ningmitai group than that in control group (88.2% vs.71.2%, χ2=10.67, P=0.001). No obvious adverse effects were observed in both groups.@*Conclusions@#Ningmitai capsule can facilitate the stone passage and increase the stone-free rate in the treatment of residual fragments and postoperative complications of upper urinary stones. It is also helpful for the prevention and treatment of postoperative pain, infection and other complications.

14.
Article in Chinese | WPRIM | ID: wpr-694901

ABSTRACT

Objective To observe the skin temperature changes on blocked area of ultrasoundguided thoracic paravertebral block and to explore the accuracy of the temperature changes in predic ting the effect of nerve block in breast cancer patients.Methods One hundred and twenty breast cancer patients undergoing modified radical mastectomy,aged 29-67 years,ASA physical status Ⅰ-Ⅲ,were selected for the study.Before general anesthesia induction,ultrasound-guided thoracic paravertebral block was performed.After the block site T34 was determined,25 ml 0.25% ropivacaine was injected around the thoracic paravertebral space.The skins of palm and axillary regions both in blocked and unblocked sites were randomly selected.The skin temperature before nerve block and 15 min after were recorded,and the skin temperature changes were calculated.The sensitivity and specificity of the temperature changes in determining the effect of thoracic paravertebral block was assessed by using the receiver operating characteristic curve (ROC).Pearson correlation was used to analyze the correlation.Results The value of area under curve (AUC) of the ROC of the skin temperature changes in palm regions responding to the effects of block was 0.892 (95%CI 0.803-0.947).The cut-off value was 0.9C which sensitivity and specificity was 87.3% and 75.9%,respectively.The AUC in axillary regions was 0.813 (95%CI 0.756 0.884),the cut-off value was 0.4 C which sensitivity and specificity was 80.7% and 71.6%,respectively.The value of AUC in palm regions was larger than in axillary regions (P<0.05).Conclusion The present study demonstrated that the changes of the skin temperature in palm and axillary regions have a high accuracy in predicting the effect of T3-4 thoracic paravertebral block,which can be used in determining the success of T3-4 thoracic paravertebral block.The assessment of temperature changes in palm regions is more accuracy than in axillary.

15.
Chinese Pharmacological Bulletin ; (12): 1243-1248, 2018.
Article in Chinese | WPRIM | ID: wpr-705183

ABSTRACT

Aim To investigate the expression of CAR-MA3, NF-κB in hepatocellular carcinoma tissues and the underlying mechanism of sodium aescinate in inhib-iting the proliferation of human hepatocellular carcino-ma cells. Methods The expression of CARMA3 and NF-κB in HCC tissues were detected by tissue microar-ray immunohistochemistry. MTT was used to determine the effect of sodium aescinate on the proliferation of HCC cells. Cell apoptosis was detected by flow cytom-etry. The expression of CARMA3, NF-κB protein in HepG2 and Hep3B cells treated with sodium aescinate was detected by Western blot and cell immunofluores-cence. Results Tissue microarray analysis showed that the expression of CARMA3 in HCC was up-regulated compared with the adjacent adjacent liver tissues, and the histopathological differentiation, TNM stage, tumor volume and prognosis were correlated. Sodium aesci-nate in 40 μmol·L-1concentration ( IC50) inhibited the growth of HCC cell lines, promoting its apoptosis, but without toxic effects on normal liver cells. Western blot and cell immunofluorescence detection of sodium aescinate could significantly inhibit the expression of CARMA3 and NF-κB. Conclusion Sodium aescinate can effectively inhibit the proliferation of HCC cells by inhibiting the activation of CARMA3/NF-κB signaling in HCC.

16.
Article in Chinese | WPRIM | ID: wpr-665176

ABSTRACT

The origin and distribution of oligosaccharides of TCM are extensive, and its special biological activity and chemical properties have great potential in health preserving and disease prevention and treatment. The researches about its components are increasing, and its research and application are expanded. Oligosaccharides of TCM can be obtained by natural extraction, degradation and artificial synthesis. Among them, the natural extraction method is the most suitable for chromatography. The oligosaccharides of TCM have different groups and connections, and the structure is complex, with different chemical reactions in the process. This article reviewed the research overview of oligosaccharides of TCM from the aspects of separation, biological activity and chemical reactions in the process.

17.
Article in Chinese | WPRIM | ID: wpr-664490

ABSTRACT

Puerarin is a kind of isoflavone extracted from the root of Radix Pueraria .Studies showed that puerarin had a variety of functional activities, such as anti-inflammation, antioxidation, anti-osteoporosis , lowering blood glucose , anti-tumor and so on . The effects of puerarin for inflammation-related diseases are mainly summarized in this research , including cardiovascular disease, osteoporosis, diabetes and cancer .Realizing that anti-inflammation is the common mechanism for puerarin in treatment of these diseases , reference basis is expected to be offered for puerarin to play a broad application prospect in clinical practice .

18.
Article in Chinese | WPRIM | ID: wpr-806328

ABSTRACT

Objective@#To detect the single nucleotide polymorphism (SNP) at locus 1 165 of β1-adrenoceptor (β1-AR) and to investigate the association between the SNP and the infection by enterovirus A71(EV-A71).@*Methods@#Polymerase chain reaction (PCR) amplification technique was used to detect the SNP at locus 1 165 of β1-AR between hand, foot and mouth disease (HFMD) and healthy controls by sanger sequencing method .@*Results@#There was a G1165C SNP and three kinds of genotypes (GG, GC, CC) in β1-AR gene in the 77 cases of EV-A71 HFMD patients and 66 cases of healthy controls. For HFMD patients, frequencies of GG, GC and CC genotypes of the G1165C locus were 10%, 47% and 43%, respectively, and alleles frequency of G and C were 34% and 66%, respectively. But in healthy children, GG, GC, CC genotype frequencies were 7%, 41% and 52%, respectively, and G and C allele frequencies were 28% and 72% respectively. Chi-square analysis showed that there were no significant differences in distribution of genotypes (χ2=1.154, df=2, P=0.562) and alleles frequency (χ2=1.091, df=2, P=0.296) between the EV-A71-infected group and the healthy control group. Between mild and severe EV-A71-infected group, there were no significant differences in distribution of genotypes (χ2=3.945, df=2, P=0.139) and alleles frequency (χ2=3.763, df=2, P=0.052).@*Conclusions@#The 1 165 SNP in the coding region of β1-AR was not associated with EV-A71 infection and its severity.

19.
Article in English | WPRIM | ID: wpr-820712

ABSTRACT

OBJECTIVE@#To investigate the relationship between the levels of plasma adrenaline and norepinephrine and gene polymorphism of β1 adrenergic receptor G1165C in children with enterovirus 71 (EV71) infection in hand foot and mouth disease (HFMD).@*METHODS@#The polymerase chain reaction (PCR) was used to detect the expression of gene polymorphism of β1 adrenergic receptor G1165C in vitro. The levels of plasma adrenaline and norepinephrine were measured by enzyme-linked immunosorbent assay (ELISA).@*RESULTS@#The plasma norepinephrine level of severe group was significantly higher than the mild group in children with EV71 infection in HFMD (P  0.05); There was no significant difference in the distribution of β1 adrenergic receptor G1165C genotype and allele between EV71 infection group and healthy control group (P > 0.05). Further analysis of EV71 infection group by dividing it into mild and severe groups showed that there was no significant difference in the distribution of genotype and allele between these two groups as well (P > 0.05). There was no significant difference in the levels of epinephrine and norepinephrine in different genotypes of EV71 infection group (P > 0.05), and in the levels of plasma epinephrine and norepinephrine in the mild and severe groups (P > 0.05).@*CONCLUSIONS@#As the disease gets worse, the plasma norepinephrine level has a rising trend in children with EV71 infection in HFMD, which is an important indicator to evaluate the progress of the disease. However, the gene polymorphism of β1 adrenergic receptor G1165C have no significant correlation, not only with the susceptibility and severity of EV71 infection in hand, foot and mouth disease, but also with the levels of catecholamine.

20.
Article in Chinese | WPRIM | ID: wpr-666767

ABSTRACT

Objective To investigate the effects of simulated microgravity by rotary cell culture system (RCCS) on expression profiles of long non-coding RNA (lncRNA) in mouse fibroblasts L929 cell line.Methods L929 cells were cultured in vitro and randomly divided into simulated microgravity (SMG) group and normal gravity (NG) group.Each group had three samples,the rotator axis of SMG group was paralleled to the ground rotation,while the rotator axis of NG group was vertical to the ground rotation,and the speed of rotation was consistent for the two groups.The samples of two groups were collected on 7th day of culture and the total RNAs were extracted,labeled and hybridized in sequence.The lncRNA and mRNA were detected by Agilent Mouse lncRNA Chips respectively.Differentially expressed lncRNA were identified and then validated by RT-qPCR.GO and Pathway analysis were applied to determine the functional distribution of these target genes.The integration predictions of the lncRNA and mRNA co-expression had been proposed to refine the functional lncRNA-mRNA relationships.Results There were 238 differentially expressed lncRNAs including 134 lncRNAs up-regulated and 104 lncRNAs down-regulated,and 237 differentially expressed mRNAs including 53 mRNAs up-regulated and 184 mRNAs down-regulated significantly in mouse fibroblasts L929 cell line under simulated microgravity by RCCS.The RT-qPCR showed a high concordance with chip microarray results in 4 differentially expressed lncRNA.GO analysis showed that the differentially expressed lncRNAs were related to the biological processes such as negative regulation of megakaryocyte differentiation and negative regulation of wound healing.Pathway analysis showed that these target genes were related to the signal pathways of systemic lupus erythematosus and TGF-β.The lncRNA-mRNA co-expression networks were also established.Conclusion The simulated microgravity by RCCS could significantly affect the expression profiles of lncRNA and mRNA in mouse fibroblasts L929.The lncRNA target genes prediction and functional enrichment analysis based on gene chip technology may provide the theoretical basis for illustrating the mechanism and management of weightlessness stress injury.

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