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Objective To investigate the predictive value of serum oncogene[proliferation-related gene(C-myc),transformation gene(N-ras),silk/threonine kinase 1(PLK1),fibroblast growth factor 2(FGF2)]protein levels in patients with hepatitis B associated hepatocellular carcinoma(HCC)after hepatic arterial chemoem-bolization(TACE).Methods A total of 127 patients with hepatitis B-associated hepatocellular carcinoma ad-mitted to a hospital from July 2016 to January 2021 were selected and divided into death group and survival group according to the follow-up results.The serum oncogene C-myc,N-ras,PLK1 and FGF2 protein levels were determined by double-antibody sandwich enzyme-linked immunosorbent assay.Univariate and multivari-ate Cox analysis were used to analyze the risk factors of serum oncogene C-myc,N-ras,PLK1 and FGF2 pro-tein levels in patients with hepatitis B-associated hepatocellular carcinoma after TACE.The receiver operating characteristic curve was used to evaluate the prognostic value of the serum oncogene C-myc,N-ras,PLK1 and FGF2 protein levels,and the patients were divided into high expression group and low expression group ac-cording to the corresponding cutoff value.Kaplan-Meier survival curve was used to evaluate the prognosis of different serum oncogene C-myc,N-ras,PLK1 and FGF2 protein level.Results Multivariate Cox regression a-nalysis indicated that TNM stage Ⅲ to Ⅳ(HR=2.998,95%CI:1.239-7.257),portal vein metastasis(HR=3.737,95%CI:1.941-7.193),abdominal metastasis(HR=3.482,95%CI:1.709-7.097),Child-Pugh grade B(HR=2.587,95%CI:1.045-6.406),high serum oncogene C-myc protein level(HR=1.224,95%CI:1.090-1.374),high serum oncogene N-ras protein level(HR=1.218,95%CI:1.097-1.353),high serum oncogene PLK1 protein level(HR=1.237,95%CI:1.110-1.379)and high serum oncogene FGF2 protein level(HR=1.141,95%CI:1.060-1.228)were independent risk factors for the prognosis of hepatitis B-asso-ciated hepatocellular carcinoma patients after TACE(all P<0.05).The overall survival rate of low expression group of serum oncogene C-myc,N-ras,PLK1,FGF2 protein level was significantly higher than that of high expression group of serum oncogene C-myc,N-ras,PLK1,FGF2 protein level,the difference was statistically significant(all P<0.001).Conclusion Serum oncogene C-myc,N-ras,PLK1,FGF2 protein levels have predic-tive value for the prognosis of patients with HBV-related liver cancer after TACE.
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【Objective】 To explore the diagnostic value of platelet long non-coding RNA (lncRNA) as a biomarker for early screening of lung adenocarcinoma (LUAD). 【Methods】 The GSE183635 and GSE89843 datasets, which contained the platelet transcriptome of LUAD and healthy controls, were used for differential analysis, and the intersection of the differentially expressed lncRNA(DElncRNA) of the two datasets was taken. The expression levels of DElncRNA in LUAD tissues and normal control tissues were analyzed using GEPIA2. The expression levels of LINC01088 in platelets of 51 healthy controls and 54 LUAD patients were detected by quantitative Real-time PCR (qRT-PCR), and the diagnostic ability of each index was evaluated by ROC curve. 【Results】 8 DElncRNAs and 1 265 DElncRNAs were obtained from GSE183635 and GSE89843 datasets, respectively. The key DElncRNA LINC01088 was selected after intersection. GEPIA2 analysis showed that the expression level of LINC01088 in LUAD tissues was lower than that in normal lung tissues (P<0.05). Platelet LINC01088 was significantly downregulated in patients with LUAD and early-stage LUAD than in healthy controls(P<0.001). The area under the curve (AUC) of platelet LINC01088 in the diagnosis of LUAD was 0.755, the sensitivity was 81.1%, and the specificity was 67.9%. The AUC for early LUAD diagnosis was 0.727, the sensitivity was 80.0%, and the specificity was 67.9%. The AUC of the combined diagnostic model composed of platelet LINC01088 and carcinoembryonic antigen (CEA) for LUAD diagnosis was 0.807, the sensitivity was 89.2%, and the specificity was 71.4%. The AUC for early LUAD was 0.770, the sensitivity was 86.7%, and the specificity was 71.4%. The combined diagnostic model of platelet LINC01088 and CEA was superior to CEA in the diagnosis of LUAD and early LUAD (Z=-2.288, -2.34, both P<0.05). 【Conclusion】 LINC01088 is down-regulated in platelets of LUAD patients. Platelet LINC01088 may be a biomarker for early screening and diagnosis of LUAD.
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Orthodontically induced tooth root resorption (OIRR) is a serious complication during orthodontic treatment. Stimulating cementum repair is the fundamental approach for the treatment of OIRR. Parathyroid hormone (PTH) might be a potential therapeutic agent for OIRR, but its effects still lack direct evidence, and the underlying mechanisms remain unclear. This study aims to explore the potential involvement of long noncoding RNAs (lncRNAs) in mediating the anabolic effects of intermittent PTH and contributing to cementum repair, as identifying lncRNA-disease associations can provide valuable insights for disease diagnosis and treatment. Here, we showed that intermittent PTH regulates cell proliferation and mineralization in immortalized murine cementoblast OCCM-30 via the regulation of the Wnt pathway. In vivo, daily administration of PTH is sufficient to accelerate root regeneration by locally inhibiting Wnt/β-catenin signaling. Through RNA microarray analysis, lncRNA LITTIP (LGR6 intergenic transcript under intermittent PTH) is identified as a key regulator of cementogenesis under intermittent PTH. Chromatin isolation by RNA purification (ChIRP) and RNA immunoprecipitation (RIP) assays revealed that LITTIP binds to mRNA of leucine-rich repeat-containing G-protein coupled receptor 6 (LGR6) and heterogeneous nuclear ribonucleoprotein K (HnRNPK) protein. Further co-transfection experiments confirmed that LITTIP plays a structural role in the formation of the LITTIP/Lgr6/HnRNPK complex. Moreover, LITTIP is able to promote the expression of LGR6 via the RNA-binding protein HnRNPK. Collectively, our results indicate that the intermittent PTH administration accelerates root regeneration via inhibiting Wnt pathway. The lncRNA LITTIP is identified to negatively regulate cementogenesis, which activates Wnt/β-catenin signaling via high expression of LGR6 promoted by HnRNPK.
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Camundongos , Animais , Cementogênese , Via de Sinalização Wnt , beta Catenina/metabolismo , Ribonucleoproteínas Nucleares Heterogêneas Grupo K/metabolismo , RNA Longo não Codificante/genética , Hormônio Paratireóideo , Receptores Acoplados a Proteínas G/metabolismoRESUMO
Polysaccharide is one of the functional components of the raspberry, which has various pharmacological effects such as anti-inflammatory, antioxidant, anti-fatigue, hypoglycemic and immunomodulatory. However, whether raspberry polysaccharides have protective effects on UV-induced photodamage to skin cells has not been reported. This study aims to investigate the protective effect of Raspberry Crude Polysaccharide on Ultraviolet B (UVB) -induced photodamage of human immortalized keratinocytes (H a C a T). The photodamage model of HaCaT cells was established by UVB irradiation. To evaluate the anti-UVB activity of R C P, the cell viability was determined by the CCK-8 method, and the Enzyme-linked immunosorbent assays (ELISA) and microplate method were used to measure the contents of matrix metalloproteinase, inflammatory and antioxidant factors in the photodamaged HaCaT cells. The antioxidant activity of RCP was detected by radical scavenging assays against D P P H radical (D P P H •) and ABTS radical (ABTS •
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Human adipose-derived stem cells (hASCs) are a promising cell type for bone tissue regeneration. Circular RNAs (circRNAs) have been shown to play a critical role in regulating various cell differentiation and involve in mesenchymal stem cell osteogenesis. However, how circRNAs regulate hASCs in osteogenesis is still unclear. Herein, we found circ_0003204 was significantly downregulated during osteogenic differentiation of hASCs. Knockdown of circ_0003204 by siRNA or overexpression by lentivirus confirmed circ_0003204 could negatively regulate the osteogenic differentiation of hASCs. We performed dual-luciferase reporting assay and rescue experiments to verify circ_0003204 regulated osteogenic differentiation via sponging miR-370-3p. We predicted and confirmed that miR-370-3p had targets in the 3'-UTR of HDAC4 mRNA. The following rescue experiments indicated that circ_0003204 regulated the osteogenic differentiation of hASCs via miR-370-3p/HDAC4 axis. Subsequent in vivo experiments showed the silencing of circ_0003204 increased the bone formation and promoted the expression of osteogenic-related proteins in a mouse bone defect model, while overexpression of circ_0003204 inhibited bone defect repair. Our findings indicated that circ_0003204 might be a promising target to promote the efficacy of hASCs in repairing bone defects.
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Animais , Humanos , Camundongos , Tecido Adiposo/metabolismo , Diferenciação Celular/genética , Células Cultivadas , Histona Desacetilases/metabolismo , MicroRNAs/metabolismo , Osteogênese/genética , RNA Circular/metabolismo , Proteínas Repressoras/metabolismo , Transdução de Sinais , Células-Tronco/metabolismoRESUMO
OBJECTIVE@#To investigate the value of quantitative synthetic magnetic resonance imaging (SyMRI) in distinguishing between benign and malignant breast lesions.@*METHODS@#We retrospectively collected data of preoperative conventional MRI and multi-dynamic multi-echo sequences from 95 patients with breast lesions showing mass-type enhancement on DCE-MRI, including 27 patients with benign lesions and 68 with malignant lesions. The MRI features of the lesions (shape, margin, internal enhancement pattern, time-signal intensity curve, and T2WI signal) were analyzed, and for each lesion, SyMRI-generated quantitative parameters including T1 and T2 relaxation time and proton density (PD) were measured before and after enhancement and recorded as T1p, T2p, PDp and T1e, T2e, and PDe, respectively. The relative change rate of each parameter was calculated. Logistic regression and all-subset regression analyses were performed for variable selection to construct diagnostic models of the breast lesions, and receiver-operating characteristic (ROC) analysis was used to assess the performance of each model for differentiation of benign and malignant lesions.@*RESULTS@#There were significant differences in the MRI features between benign and malignant lesions (P < 0.05). All the SyMRI-generated quantitative parameters, with the exception of T2e and Pdp, showed significant differences between benign and malignant lesions (P < 0.05). Among the constructed diagnostic models, the model based on all the DCE-MRI features combined with SyMRI parameters T2p and T1e (DCE-MRI+T2p+T1e) showed the best performance in the differential diagnosis malignant breast masses with an AUC of 0.995 (95% CI: 0.983-1.000).@*CONCLUSION@#Quantitative SyMRI can be used for differential diagnosis of benign and malignant breast lesions.
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Feminino , Humanos , Mama/diagnóstico por imagem , Neoplasias da Mama/diagnóstico por imagem , Meios de Contraste , Diagnóstico Diferencial , Imageamento por Ressonância Magnética/métodos , Curva ROC , Estudos RetrospectivosRESUMO
Objective:To compare the teaching effect of flipped classroom approach versus traditional lecture-based approach on the laboratory training course of Orthodontics cephalometric analysis for dental undergraduates. Methods:A total of 60 dental undergraduates who participated in the undergraduate course of Orthodontics were included in the study and randomly divided into experimental group and control group, with 30 students in each group. Flipped classroom approach was performed in the experimental group, while traditional lecture-based approach was used in the control group. Students' recognition towards teaching excellence, theoretical and laboratory performances, and their understanding and application of the key points in orthodontic cephalometric analysis were evaluated. SPSS 22.0 was used for t test and chi-square test. Results:Compared with the control group, students in experimental group gave more favorable rating in learning experience, had better learning motivation and more confidence in understanding and mastering the key points of orthodontic cephalometric analysis, with significant differences ( P<0.05). Besides, they also presented better theoretical and laboratory performances and superior mastery of the key points in the post-class quiz, with significant differences ( P<0.05). Conclusion:Flipped classroom is a promising approach to improve the teaching effect of cephalometric analysis of Orthodontics.
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Cytokine storm is an excessive immune process when the body is stimulated. The disease progresses rapidly with a high mortality and complicated pathogenesis. In the outbreak of coronavirus disease 2019 (COVID-19), the rapid deterioration of the condition of patient is closely related to the outbreak of cytokine storm in the body. The sixth edition of Diagnosis and Treatment of Novel Coronavirus Pneumonia also provides a traditional Chinese medicine treatment plan. This paper reviewed the pharmacological effects of traditional Chinese medicine in antigen clearance, immune modulation and tissue protection based on the source, process and harm of cytokine storm. Furthermore, traditional Chinese medicine is contributive in prevention and treatment of cytokine storm, which can provide valuable medication guidance for the treatment combining traditional Chinese and Western medicine in clinic.
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Objective To investigate the distribution of common carbapenem resistance genes and virulence genes in and understand the molecular epidemiology of carbapenem-resistant Klebsiella pneumoniae (CRKP) strains.Methods A total of 84 non-duplicate CRKP isolates were collected from Renji Hospital,Shanghai Jiao Tong University School of Medicine and Changzheng Hospital,the Second Military Medical University,in 2015.Kirby-Bauer disk diffusion method was used to test their susceptibility to 15 antimicrobial agents.The HM phenotype of K.pneumoniae was determined by string test.Carbapenem-resistant genes and virulence genes were detected by polymerase chain reaction (PCR).The molecular epidemiology of the 84 isolates were further analyzed by multi locus sequence typing (MLST).The population structure of CRKPs was evaluated by eBURST with the results of MLST.Results Antimicrobial susceptibility test showed that 84 isolates were highly resistant to most antimicrobial agents such as carbapenems,penicillins,cephalosporins and aztreonam.More than 90% of the strains were resistant to most of the antibiotics tested except ciprofloxacin (77.4%,65/84) and amikacin (82.1%,69/84).Two strains showed HM phenotype.PCR results showed that 90.5% (76/84) of the strains were positive for blaKPC-2,1.2% (1/84) positive for blaNDM and blaIMP each,but either blaOXA or blaVIM was not identified.The overall prevalence of virulence genes was low except for mrkD (97.6%,82/84),ybtS (92.9%,78/84) and entB (100%,84/84).Eight sequence types (STs) were obtained.The dominant clone was ST11 (84.5%,71/84),and the two strains of HM phenotype were ST11.eBURST analysis identified 2 ST groups among the 84 CRKPs.Each ST group includes 2 ST types (ST11 and ST1869,ST15 and ST709),respectively.The other four ST types were single ST type.In this study,71 strains of ST11,4 ST15 and 4 ST323 belonged to CC258,CC15 and CC163 clones,respectively.Conclusions CRKP is highly resistant to the commonly used antibiotics.The multidrug resistance or pandrug-resistance of K.pneumoniae is mainly associated with the expression of blaKPC-2 gene.Three virulence genes mrkD,ybtS and entB are highly prevalent in the CRKP isolates.The dominant clone of KPC-producing K.pneumoniae is ST11 in both hospitals.
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Objective To conduct the molecular epidemiologic analysis of Staphylococcus aureus (S.aureus) in the intensive care units(ICUs) and general wards and to compare their clinical characteristics.Methods Ninety-six clinically isolated strains of S.aureus(43 strains from the emergency intensive care unit(EICU) and neurosurgical intensive care unit(NICU) and 53 strains from the general wards) collected from Sepetember 2015 to April 2016 were performed the bacterial identification and antibiotic susceptibility test.The molecular typing was performed by adopting staphylococcal protein A (spa) typing method.Results Among 96 strains of S.aureus,the detection rate of methicillin-resistant S.aureus(MRSA) was 40.6%(39/96),which among 43 strains in ICU was 62.8%(27/43) and which among 53 strains in the general words was 22.6%(12/53).The resistance rates of strains from ICUs to gentamicin,levofloxacin,clindamycin,fosfomycin and minocycline were 23.3%,48.8%,46.5%,32.6% and 32.5% respectively,while which from the general wards were 7.5%,24.5%,18.9%,2.1% and 0% respectively.The Spa typing results showed that the main types of ICUs were t002,t091 and t311.The major epidemic strain was t002(n=16,37.2%) and mainly isolated from EICUs(12 strains),26 spa types were identified among the general wards trains,mainly were t189,t377,t571,t034,t091,t127.Conclusion The detection rate of MRSA in ICUs is higher than that in the general wards,these strains have high resistant rate to routine antibacterial drugs.t002 is the major epidemic strain.The general wards have more spa types with higher genetic diversity.
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Objective To optimize the processes of extraction and inclusion of volatile oil from Citri Grandis Exocarpium. Methods With yield ratio of volatile oil as evaluation index, single factor experiments were used to study the extraction process of volatile oil. With the inclusion rate of the volatile oil and the yield of inclusion as evaluation indexes, saturated aqueous solution was used to the L9(34) orthogonal experiments to reach the best inclusion process optimization. And the microscopic imaging analysis and X-ray scattering technology were adopted to character the inclusion compound. Results The optimum extraction process of volatile oil was extracted for 10 hours with 10 folds the amount of water, and without soaking. The optimum conditions of inclusion process were as follows: volatile oil (mL): β-CD (g): water (mL) ratio was 1:8:80; inclusion temperature was 50 ℃; inclusion time was 3 hour. The validation experiments of the inclusion rate of the volatile oil and the yield of inclusion were 91.50% and 88.36%. Microscopic imaging analysis and X-ray scattering technology proved the inclusion compound had been formed. Conclusion Optimal extraction and inclusion process are feasible and stable, which can provide certain supporting data for preparation and production.
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Objective:To explore the application value of therapeutic intervention scoring system-28(TISS-28) in the management for intensive care unit (ICU) nursing.Methods: 120 elderly patients who received cure in ICU were divided into observation group (60 cases) and control group (60 cases) according to treatment time. Patients of observation group received the nursing method of TISS-28, and patients of control group received traditional nursing method. The average work time of nursing, the satisfactory degree of patients for nursing work and the satisfactory degree of paramedics for the manpower management of nursing of the two groups were compared.Results: The average work time of nursing of observation group was significantly less than that of control group (t=16.886, P<0.05). The satisfactory degrees for nursing work included life care, health education, communication with family member and humanistic care of observation group were significantly higher than that of control group, respectively (x2=5.175,x2=4.183,x2=4.227,x2=5.175;P<0.05). The general satisfactory degree for nursing work of observation group was significantly higher than that of control group (x2=4.227,P<0.05). The satisfactory degrees of doctor and paramedic for the nursing manpower management of observation group were significantly higher than that of control group (x2=4.571,P<0.05).Conclusion: It is benefit for scientific management of nursing that TISS-28 is adopted to manage the nursing of ICU, and it can enhance work efficiency of nursing and quality of nursing, and improve the satisfactory degrees of patients for nursing work and paramedics for the personnel management.
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Objective To optimize the processes of extraction and inclusion of volatile oil from Citri Grandis Exocarpium. Methods With yield ratio of volatile oil as evaluation index, single factor experiments were used to study the extraction process of volatile oil. With the inclusion rate of the volatile oil and the yield of inclusion as evaluation indexes, saturated aqueous solution was used to the L9(34) orthogonal experiments to reach the best inclusion process optimization. And the microscopic imaging analysis and X-ray scattering technology were adopted to character the inclusion compound. Results The optimum extraction process of volatile oil was extracted for 10 hours with 10 folds the amount of water, and without soaking. The optimum conditions of inclusion process were as follows: volatile oil (mL): β-CD (g): water (mL) ratio was 1:8:80; inclusion temperature was 50 ℃; inclusion time was 3 hour. The validation experiments of the inclusion rate of the volatile oil and the yield of inclusion were 91.50% and 88.36%. Microscopic imaging analysis and X-ray scattering technology proved the inclusion compound had been formed. Conclusion Optimal extraction and inclusion process are feasible and stable, which can provide certain supporting data for preparation and production.
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Objective:To explore the application value of therapeutic intervention scoring system-28(TISS-28) in the management for intensive care unit (ICU) nursing.Methods: 120 elderly patients who received cure in ICU were divided into observation group (60 cases) and control group (60 cases) according to treatment time. Patients of observation group received the nursing method of TISS-28, and patients of control group received traditional nursing method. The average work time of nursing, the satisfactory degree of patients for nursing work and the satisfactory degree of paramedics for the manpower management of nursing of the two groups were compared.Results: The average work time of nursing of observation group was significantly less than that of control group (t=16.886, P<0.05). The satisfactory degrees for nursing work included life care, health education, communication with family member and humanistic care of observation group were significantly higher than that of control group, respectively (x2=5.175,x2=4.183,x2=4.227,x2=5.175;P<0.05). The general satisfactory degree for nursing work of observation group was significantly higher than that of control group (x2=4.227,P<0.05). The satisfactory degrees of doctor and paramedic for the nursing manpower management of observation group were significantly higher than that of control group (x2=4.571,P<0.05).Conclusion: It is benefit for scientific management of nursing that TISS-28 is adopted to manage the nursing of ICU, and it can enhance work efficiency of nursing and quality of nursing, and improve the satisfactory degrees of patients for nursing work and paramedics for the personnel management.
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Objective:To investigate the effects of Liuweidihuang pill on the insulin levels in sera and pancreatic islets from spontaneous mouse models of human type 2 diabetes administrated with different doses .Methods:The 6-8 week-old KK-Ay mice were randomly divided into three groups including no drug control group ,low-dose group and high-dose group,in addition C57BL/6J mice were used as a genetic control group .All the animals were given with different dose Liuweidihuang pill solutions or sterile distilled water by intragastrical administration for fifteen weeks .The fasting blood glucose ,body mass and food consumption were measured weekly .The serum insulin levels were surveyed by ELISA .And the insulin levels in the pancreas islets were detected by immunofluorescence and immunohistochemistry .Results:Decreased fasting blood glucose ,controlled body mass and food consumption ,and lower levels of insulin in the sera and pancreas islets were confirmed from the KK-Ay mice administered with Liuweidihuang pill .Furthermore,the low dose program exhibits a stronger effect .Conclusion:Liuweidihuang pill has exhibited relatively therapeutic effects in the spontaneous type 2 diabetes mice including controls of hyperglycemia and body mass and relieving insulin resistance .In addition , the low-dose regimen showed even better treatment in controlling insulin levels in the sera and pancreas islets .
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Objective This article is aim to test the safety and the in vitro antibacterial activity of the Lentiviral-nedicated humanβ-defensin 3 (hβD-3) transfecion synovium-derived mesenchymal stem cells (SMSCs).Methods Tissues with SMSCs were obtained by surgical operations.Cells were explant cultured and purified by magnetic cell separation system.Cells were identified by microscopic observation, immunofluorescence and cell surface markers.Through inducing the cells into fat, osteoblasts and chondroblasts to respectively determine the multi-directional differentiation potential.Construct a hβD-3 contained lentivirus and transfected into SMSCs.Got the cell growth curve and determine the DNA content by using flow cytometry.The NOD/SCID mice were applied to verify the tumorigenicity of SMSCs.Agar diffusion test was applied to doing antibacterial activity test of posttransfecton SMSCs.The rabbit model of knee joint in staphylococcus aureus infections verify its bacteriostatic action in vivo.Results: Purified SMSCs had the structure and surface signatures of MSCs.It had the potential of multi-differentiation.Immunofluorescence had verified that SMSCs transfected by lentivirus could stably express hβD-3.Cell proliferation kinetics, karyotype analysis and Tumorigenic type analysis verified the safety of SMSCs after transfection.The in vivo and vitro antibacterial activity test of the recombinant SMSCs showed that after cell passages, the subcultured SMSCs (P5 cells were used in this article) could express hβD-3 stably and had antibacterial activity.The result of the antibacterial circle showed that low concentration group inhibit bacterial activity while the medium and high group could enlarge compared with the negative and positive control group.Conclusion Lentiviral-medicated hβD-3 gene express SMSCs could successfully subcultured and stably express hβD-3, meanwhile it had apparent in vitro antibacterial activity.
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<p><b>OBJECTIVE</b>To investigate sperm DNA integrity in male infertility patients with hepatitis B virus (HBV) infection.</p><p><b>METHODS</b>This study included 90 infertile men with HBV infection (group A), 82 infertile men without HBV infection (group B) and 70 normal fertile men (group C). We detected sperm DNA integrity among the subjects, including DNA fragmentation index (DFI) and high DNA stainability (HDS), by sperm chromatin structure assay (SCSA), and compared them among the three groups.</p><p><b>RESULTS</b>DFI was higher in group A ([28.17 +/- 13.06]%) than in B ([26.64 +/- 9.79]%) and C ([15.67 +/- 4.73]%), significantly higher in A and B than in C (P < 0.05) but with no significant difference between A and B (P > 0.05). HDS was higher in group A ([10.83 +/- 5.601]%) than in B ([9.04 +/- 3.48]%) and C ([8.04-2.25]%), with significant difference between A and C (P < 0.05).</p><p><b>CONCLUSION</b>Sperm DNA integrity of infertile males is significantly different from that of normal fertile men, and infertility with HBV infection further impairs sperm DNA, which is manifested by abnormal sperm nuclear maturity.</p>
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Adulto , Humanos , Masculino , Adulto Jovem , Estudos de Casos e Controles , Cromatina , DNA , Genética , Dano ao DNA , Hepatite B , Patologia , Vírus da Hepatite B , Infertilidade Masculina , Genética , Virologia , Contagem de Espermatozoides , Espermatozoides , PatologiaRESUMO
Thorough excavation and artful utilization of various kinds concrete and invisible learning resources contribute to the cultivation of excellent postgraduates.In postgraduate education of anesthesiology Xuzhou Medical College utilizes time,network,technique platform,research outcome,self-potentiality and clinical patients resources,which produces an active effect and has important instructional significance.
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<p><b>OBJECTIVE</b>To observe the prevalence of hypertension and associated risk factors in the Guangxi Bai Ku Yao populations.</p><p><b>METHODS</b>A total of 1170 subjects of Bai Ku Yao aged 15 and over were surveyed by a stratified randomized cluster sampling. Blood pressure, body height, weight, waist circumference, serum lipid and apolipoprotein levels were measured, and body mass index (BMI) were calculated, matched 1173 subjects of Han Chinese from the same region served as control.</p><p><b>RESULTS</b>The standardized prevalence of hypertension in Bai Ku Yao was significantly lower than that in Han (11.53% vs.16.79%, P < 0.01). The mean levels of systolic, diastolic blood pressure, and pulse pressure in Bai Ku Yao were also significantly lower than those in Han [(115.7 +/- 16.3) vs. (120.0 +/- 16.3) mm Hg (1 mm Hg = 0.133 kPa), P < 0.01; (74.1 +/- 9.4) vs. (75.9 +/- 10.4) mm Hg, P < 0.01; and (41.6 +/- 12.0) vs. (44.2 +/- 11.2) mm Hg, P < 0.01; respectively]. Hypertension was positively correlated with male, age, physical activity, BMI, waist circumference, and the intakes of total energy, total fat, and sodium, and negatively associated with education level in both ethnic groups (P < 0.05 - 0.01), but was positively associated with alcohol consumption only in Han. The rates of awareness, treatment and control of hypertension were significantly lower in Bai Ku Yao than those in Han population [(11.81% vs. 21.76%), P < 0.05; (5.51% vs. 12.95%), P < 0.05; and (2.36% vs. 8.29%), P < 0.05; respectively].</p><p><b>CONCLUSION</b>The prevalence of hypertension was significantly lower in Bai Ku Yao population than in Han population and diet, low sodium intake, life style, and genetic factors might be responsible for the lower hypertension prevalence in Bai Ku Yao population.</p>
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Adolescente , Adulto , Idoso , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Adulto Jovem , China , Epidemiologia , Comportamento Alimentar , Hipertensão , Epidemiologia , Etnologia , Estilo de Vida , Prevalência , Fatores de RiscoRESUMO
<p><b>OBJECTIVE</b>To study the relationship between the polymorphism of the variable number of tandem repeats region 3' of the apolipoprotein B gene (3'APOB-VNTR) and serum lipid levels in the Guangxi Heiyi Zhuang population.</p><p><b>METHODS</b>A total of 548 people of Heiyi Zhuang nationatity were surveyed by a cluster sampling. Epidemiological data were collected and serum lipid and apolipoprotein levels were measured. The genotypes and alleles of the 3' APOB-VNTR were determined by polymerase chain reaction combined with gel electrophoresis, and then analyzed by direct sequencing in the most common alleles. The results were compared with those in 496 people of Han nationality also live in that district.</p><p><b>RESULTS</b>There were 19 alleles of the 3'APOB-VNTR in both ethnic groups. They were hypervariable elements (HVEs) 24, 26, 28, 30, 32, 34, 36, 38, 40, 42, 44, 46, 48, 50, 52, 54, 56, 58, 60, 62 and 64, but HVEs 56 and 58 in Heiyi Zhuang nationality and HVEs 48 and 62 in Han nationality were not be detected. The most common allele is HVE32 in Heiyi and Zhuang nationality (25.9%), and HVE34 in Han nationality (27.2%). The frequencies of HVEs 26, 30, 46, heterozygote, and short alleles (< 38 repeats, S) were higher in Heiyi Zhuang nationality than in Han nationality, whereas the frequencies of HVEs 34, 38, 40, homozygote, and long alleles (>or= 38 repeats, L) were lower in Heiyi Zhuang nationality than in Han nationality. The levels of total cholesterol (TC), high-density lipoprotein cholesterol (HDL-C) and apolipoprotein (apo) B in Heiyi Zhuang nationality were higher in VNTR-LS (carrier of one long and one short alleles) than in VNTR-LL genotypes (the individual carrying two long alleles) genotypes. The levels of TC, triglycerides, HDL-C and apo B in Heiyi Zhuang nationality were also higher in homozygotes than in heterozygotes. There were no significant differences in the detected lipid parameters between the VNTR-SS (carrier of two short alleles) and VNTR-LS or VNTR-LL genotypes in both ethnic groups.</p><p><b>CONCLUSION</b>The 3'APOB-VNTR polymorphism is found to be significant difference between Heiyi Zhuang nationality and Han populations, and is associated with the serum lipid levels in Heiyi Zhuang nalionality but not in Han nationality.</p>