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Objective:To investigate the clinicopathological features,differential diagnosis,treatment and prognosis of Burkitt-like lymphoma with 11q aberration (BLL-11q).Methods:The clinical manifestations,histological morphology,immunophenotype and molecular genetic changes of 2 cases of BLL-11q admitted to the department of pathology of The First People's Hospital of Lianyungang in 2020 and 2021 were analyzed retrospectively,and the relevant literatures were reviewed.Results:Patients were found with right neck masses inadvertently and grew rapidly. They presented with localized disease with Ann Arbor stages IA and IIA. Microscopically, the normal structure of the lymph node disappeared and was replaced by a diffuse proliferation of lymphocytes, with consistent morphology and medium size. And the presence of "star-sky" phenomenon was obvious, the morphological characteristics were similar to Burkitt lymphoma. Immunophenotypically, tumor cells were diffusely positive for CD20, CD79α, PAX5, CD10 and Bcl-6, partly moderately positive for C-MYC and MUM-1, however, CD3, Bcl-2, CD30 and TDT were negative,Ki-67 positive index was more than 95%, and EBER was negative. FISH detection showed that MYC, Bcl-2, and Bcl-6 were negative. Both cases had the 11q23.3 gain and 11q24.3 loss. Both patients were treated with chemotherapy and followed up for 10-22 months,and achieved complete remission and disease-free survival.Conclusion:BLL-11q is a rare germinal center B-cell lymphoma with abnormal long arm of chromosome 11 and lack of MYC gene rearrangement. It should be distinguished from Burkitt lymphoma, diffuse large B-cell lymphoma, B-lymphoblastic lymphoma, large B-cell lymphoma with IRF4 rearrangement and high-grade B-cell lymphoma. On the basis of morphology and immunophenotype, the diagnosis depends on genetic detection. There may be a better prognosis.
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Objective:Through the statistics and comparison of SCI papers jointly published by the hospital investigators and university scholars, this paper aims to provide a reference for the next step of interdisciplinary research cooperation in ″medicine, science, engineering and liberal art″.Methods:The collaborative SCI papers were searched from the Science Citation Index expanded (SCIE) database, basic information of the cooperative papers were collected. Taking into consideration of the time spots that 3 years before (2015-2017) and after (2018-2020) when the hospital became affiliated to the university. The number of the paper, paper quality, author's basic information, hospital disciplines and the distribution of department/unit in the university were analyzed.Results:The number of the collaborative papers has increased from 23 to 131. There are statistical significance in both the personnel situations and the qualifications to supervise postgraduate students of the authors. The number of the related hospital departments has increased from 7 to 22, and the number of the universities′ unit increased from 3 to 10.Conclusions:After becoming the university affiliated hospital, the interdisciplinary collaborations in medicine, science, engineering and liberal art have already made some achievements, the breadth and depth of cooperation have been continuously expanded, which is related to the various policies implemented by the hospital and the advantages of interdisciplinary collaboration in resource sharing.
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Objective:To evaluate the effect of hydrogen-rich saline on serine threonine protein kinase (Akt) /nuclear factor E2-related factor 2 (Nrf2) signaling pathway during hypoxia/reoxygenation (H/R) injury to human renal tubular epithelial cells.Methods:Human renal tubular epithelial cell line were seeded in 96-well plates at a density of 1.5×10 4 cells/ml (200 μl/well) or in 6-well plates at a density of 2×10 5 cells/ml (2 ml/well) were divided into 5 groups( n=30 each) using a random number table method: control group (group C), hydrogen-rich group (group H), group H/R, H/R plus hydrogen-rich saline group (group H/R+ H) and H/R plus hydrogen-rich saline plus Akt inhibitor uprosertib group (group H/R+ H+ U) .In group C, the cells were incubated for 28 h in an incubator filled with normoxia at 37 ℃ (5%CO 2-21%O 2-74%N 2). In group H, cells were added to the medium containing 0.6 mmol/L hydrogen-rich saline, and then incubated for 28 h in an incubator filled with normoxia at 37 ℃.In group H/R, the cells were incubated in an anaerobic chamber (37 ℃, 5%CO 2-1%O 2-94 %N 2) for 24 h, and then incubated for 4 h in an incubator filled with normoxia at 37 ℃.In group H/R+ H, the cells were incubated in an anaerobic chamber for 24 h, and then incubated for 4 h in an incubator containing 0.6 mmol/L filled with normoxia at 37 ℃.In group H/R+ H+ U, the cells were incubated for 1 h in the culture medium containing uprosertib 10 μmol/L (final concentration) and the other treatments were similar to those previously described in group H/R+ H. After treatment in each group, the cell viability was measured by MTT assay, cell apoptosis was measured using flow cytometry, superoxide dismutase (SOD) activity was measured using xanthine oxidase method), malondialdehyde (MDA) content was detected by thiobarbituric acid method, the expression of Akt, phosphorylated Akt (p-Akt), total Nrf2, nuclear Nrf2 and activated caspase-3 was detected by Western blot, and the expression of Nrf2 mRNA was detected by Real-time PCR. Results:Compared with group C, the cell viability and activity of SOD were significantly decreased, the apoptosis rate and content of MDA were increased, and the expression of p-Akt, nuclear Nrf2, total Nrf2, activated caspase-3 protein and Nrf2 mRNA was up-regulated in group H/R and group H/R+ H ( P<0.05). Compared with group H/R, the cell viability and activity of SOD were significantly increased, the apoptosis rate and content of MDA were decreased, the expression of p-Akt, nuclear Nrf2, total Nrf2 and Nrf2 mRNA was up-regulated and expression of activated caspase-3 protein was down-regulated in group H/R+ H ( P<0.05). Compared with group H/R+ H, the cell viability and activity of SOD was significantly decreased, the apoptosis rate and content of MDA were increased, the expression of p-Akt, nuclear Nrf2, total Nrf2 protein and Nrf2m RNA was down-regulated, and the expression of activated caspase-3 protein was up-regulated in group H/R+ H+ U ( P<0.05). Conclusion:The mechanism by which hydrogen-rich saline attenuates H/R injury to human renal tubular epithelial cells is related to improving activation of Akt/Nrf2 signaling pathway, decreasing oxidative stress response and inhibiting cell apoptosis.
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Objective:To evaluate the role of nuclear factor erythroid 2-related factor/ heme oxygenase-1 (Nrf2/HO-1) signaling pathway in dexmedetomidine-induced reduction of oxygen-glucose deprivation and restoration (OGD/R) injury to microglia.Methods:BV-2 microglia were cultured in high-glucose DMEM culture medium supplemented with 10% fetal bovine serum in an normal culture incubator at 37 ℃ (5%CO 2-21%O 2-74 %N 2). The cells were seeded in 96-well plates at a density of 1.5×10 4 cells/ml (200 μl/well) or 6-well plates at a density of 2×10 5 cells/ml (2 ml/well) and divided into 5 groups ( n=30 each) using a random number table method: control group (group C), dexmedetomidine group (group D), group OGD/R, OGD/R+ dexmedetomidine group (group OGD/R+ D) and OGD/R+ dexmedetomidine+ ML385 group (group OGD/R+ D+ ML). The cells in group C were continuously cultured in a normal culture incubator for 26 h. In group D, dexmedetomidine at the final concentration of 10 μmol/L was added, cells were incubated for 2 h, and then were continuously incubated in a normal culture incubator for 26 h. In OGD/R, OGD/R+ D and OGD/R+ D+ ML groups, the culture medium was replaced with glucose-free DMEM culture medium, cells were cultured for 2 h in an incubator at 37 ℃ (5%CO 2-1%O 2-94 %N 2), the culture medium was replaced with high-glucose DMEM culture medium containing 10% fetal bovine serum and then the cells were cultured for 24 h in a normal incubator.Dexmedetomidine at the final concentration of 10 μmol/L was added at 2 h before OGD in OGD/R+ D and OGD/R+ D+ ML groups.Nrf-2 inhibitor ML385 at the final concentration of 4 μmol/L was added at 30 min before dexmedetomidine was added in group OGD/R+ D+ ML.Cells in 6 wells in each group were selected randomly for assessment of cell viability (by methyl thiazolyl tetrazolium assay) and apoptosis (using flow cytometry), and for determination of the concentrations of tumor necrosis factor (TNF)-α, interleukin (IL)-6, and IL-10 in the supernatant (using enzyme-linked immunosorbent assay), the expression of Nrf2 in nucleus, Nrf2 and HO-1(by Western blot ) and the expression of HO-1 mRNA (by real-time polymerase chain reaction). Results:Compared with group C, the cell viability was significantly decreased, cell apoptosis rate and concentrations of TNF-α, IL-6 and IL-10 in the supernatant were increased, and the expression of Nrf2 in nucleus, Nrf2, HO-1 and its mRNA was up-regulated in OGD/R and OGD/R+ D groups ( P<0.05), and no significant change was found in each parameter mentioned above in group D ( P>0.05). Compared with group OGD/R, the cell viability and IL-10 in the supernatant concentration were significantly increased, cell apoptosis rate and concentrations of TNF-α and IL-6 in the supernatant were decreased and the expression of Nrf2 in nucleus, Nrf2, HO-1 and its mRNA was up-regulated in group OGD/R+ D ( P<0.05), and no significant changes were found in the parameters mentioned above in group OGD/R+ D+ ML ( P>0.05). Compared with group OGD/R+ D, the cell viability and concentration of IL-10 in the supernatant were significantly decreased, cell apoptosis rate and concentrations of TNF-α and IL-6 in the supernatant were increased and the expression of Nrf2 in nucleus, Nrf2, HO-1 and its mRNA was down-regulated in group OGD/R+ D+ ML ( P<0.05). Conclusion:The mechanism by which dexmedetomidine alleviates OGD/R injury to microglia may be related to promoting the activation of Nrf2/HO-1 signaling pathway and inhibition of inflammatory responses.
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Osteoporosis and atherosclerotic cardiovascular disease are common diseases in middle-aged and elderly people, but less attention has been paid to the link between them. Apolipoprotein E (ApoE) is one of the most popular genes in recent years, studies have shown that ApoE is involved in both bone metabolism and lipid metabolism. Based on ApoE genotype, this paper reviews the basic and clinical research progress of the relationship between osteoporosis and atherosclerotic cardiovascular disease then to provide guidance for clinical and research.
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Objective: To investigate the effects of ABC-binding cassette transporter A subfamily 8 (ABCA8) on the migration and invasion of pancreatic cancer cells and the possible mechanism. Methods: Human pancreatic cancer CFPAC-1 cells were infected with the lentivirus GV358 carrying ABCA 8 gene or the empty vector lentivirus to establish ABCA8 overexpression cells or the control cells, respectively. The ABCA8 overexpression was confirmed by real-time fluorescent quantitative PCR and Western blotting. The effects of ABCA8 overexpression on the migration and invasion of CFPAC-1 cells were analyzed by wound healing assay and Transwell assay, respectively. The expression levels of extracellular signal-regulated kinase (ERK) and phospho-ERK (p-ERK) in ABCA8-overexpressed CFPAC-1 cells were detected by Western blotting. The effects of inhibiting ERK signaling by SCH772984 on ABCA8-mediated migration and invasion of CFPAC-1 cells were detected by Transwell assay. The expression levels of matrix metalloproteinases 2 (MMP2), MMP7, MMP9 and tissue inhibitor of metalloproteinase 1 (TIMP1) mRNAs in ABCA8-overexpressed CFPAC-1 cells were detected by real-time fluorescent quantitative PCR, and the expression levels of MMP7 and TIMP1 mRNAs in ABCA8-overexpressed CFPAC-1 cells treated with SCH772984 were detected by real-time fluorescent quantitative PCR. Results: ABCA8-overexpressed CFPAC-1 cells were successfully established. ABCA8 overexpression significantly promoted the migration (P 0.01) and invasion (P 0.05) of CFPAC-1 cells. The expression level of p-ERK protein was significantly elevated in ABCA8-overexpressed CFPAC-1 cells (P 0.01), and ERK inhibitor SCH772984 could eliminate the changes of ABCA8-induced migration and invasion of CFPAC-1 cells (both P 0.05). Meanwhile, ABCA8 overexpression could significantly upregulate MMP7 expression level (P 0.001) and downregulate TIMP1 expression level (P 0.01) in CFPAC-1 cells, and ERK inhibitor SCH772984 could eliminate the changes of MMP7 and TIMP1 expression levels induced by ABCA8 overexpression (both P 0.05). Conclusion: ABCA8-induced ERK signaling activation can enhance the migratory and invasive properties of human pancreatic cancer cells, which may be related to the upregulation of MMP7 expression and the downregulation of TIMP1 expression.
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Objective@#To explore the effect of guided half day education in rehabilitation of children with cerebral palsy.@*Methods@#100 children with cerebral palsy were selected and randomly divided into experimental group and control group according to the length of hospitalization, 50 cases in each group. The control group was given routine rehabilitation treatment and nursing, while the experimental group was given half-day education based on routine rehabilitation treatment and nursing. The changes of gross motor function (GMFM) and daily living activity (ADL) were observed and compared between the two groups before and 6 months after intervention.@*Results@#The GMFM scores of the experimental group before and after intervention were (41.85 ±4.26), (66.85 ±4.73) respectively, and those of the control group were (42.59±3.24), (56.59 ±3.63). There was no significant difference between the two groups (Z=1.33,12.17, P<0.05). The ADL scores of the experimental group before and after intervention were (40.43±9.78), (63.21±12.34), respectively. There were significant differences between the two groups (Z=0.51, 4.42, P < 0.05). After intervention, the scores of five single A, B, C, D and E areas of GMFM in the experimental group were (94.8 ± 18.2), (76.3 ± 16.5), (36.4±16.7), (30.4±14.5), (19.4 ± 15.2), respectively. The control group was (85.1±14.7), (58.5±13.6), (26.1±13.4), (18.3±12.3), (12.7±10.7). There were significant differences between the two groups (Z=2.55-5.89, P<0.05).@*Conclusion@#Guided half-day process teaching combined with routine rehabilitation treatment and nursing can improve the gross motor and self-care ability of children with cerebral palsy, and its effect is better than that of simple medical rehabilitation..
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Objective To explore the effect of guided half day education in rehabilitation of children with cerebral palsy. Methods 100 children with cerebral palsy were selected and randomly divided into experimental group and control group according to the length of hospitalization, 50 cases in each group. The control group was given routine rehabilitation treatment and nursing, while the experimental group was given half-day education based on routine rehabilitation treatment and nursing. The changes of gross motor function (GMFM) and daily living activity (ADL) were observed and compared between the two groups before and 6 months after intervention. Results The GMFM scores of the experimental group before and after intervention were (41.85 ±4.26), (66.85 ±4.73) respectively, and those of the control group were (42.59±3.24), (56.59 ±3.63). There was no significant difference between the two groups (Z=1.33,12.17, P<0.05). The ADL scores of the experimental group before and after intervention were (40.43 ± 9.78), (63.21 ± 12.34), respectively. There were significant differences between the two groups (Z=0.51, 4.42, P<0.05). After intervention, the scores of five single A, B, C, D and E areas of GMFM in the experimental group were (94.8 ± 18.2), (76.3 ± 16.5), (36.4 ± 16.7), (30.4 ± 14.5), (19.4 ± 15.2), respectively. The control group was (85.1±14.7), (58.5±13.6), (26.1±13.4), (18.3±12.3), (12.7±10.7). There were significant differences between the two groups (Z=2.55-5.89, P<0.05). Conclusion Guided half-day process teaching combined with routine rehabilitation treatment and nursing can improve the gross motor and self-care ability of children with cerebral palsy, and its effect is better than that of simple medical rehabilitation..
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Objective:To ensure the authenticity, scientific and reliability of medical devices clinical trials results.Methods: The drug clinical research institute office set up full-time secondary quality control team, clarified the responsibility, made application form, problem check and track list, subjects’ identity registration form. Using computer network to make 19 medical equipment quality control of clinical trials.Results: Assure the rights and safety of subjects, the validity, accuracy and completeness of clinical trial data and clinical trial results.Conclusion: The drug clinical research institute office, full-time secondary quality control team made strict clinical trial project for the whole process of quality control and ensure the true, scientific and reliable results.
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Objective To evaluate the clinical value and safety of hysteroscopy in diagnosis of abnormal uterine bleeding.Methods The clinical characters and histopathological data of 272 cases of abnormal uterine bleeding were retrospectively analyzed.They received hysteroscopy in our hospital from Jan.2010 to Jan.2015.Results Histopathological diagnosis showed 75 cases were with endometrial polyps,including 5 cases misdiagnosed as submucosal fibroids,and the correct diagnostic rate was 93.3％ (70/75).50 cases were with submucosal fibroids,and the diagnostic rate was 90.9％ (50/55).97 cases were endometrial hyperplasia,including 7 cases misdiagnosed as atypical hyperplasia or cancer by hysteroscopy,and the correct diagnostic rate was 92.8％ (90/97).19 cases were atypical hyperplasia or endometrial carcinoma,and the diagnostic rate was 73.1％(19/26).Atrophic endometrium were 23 cases.8 cases had intrauterine device remained.Conclusions Premenopausal women are more likely to present with endometrial hyperplasia,submucosal fibroids,endometrial polyps,while endometrial cancer and precancerous lesions are rare.But in postmenopausal women endometrial polyps,atrophic endometrium,cancer and precancerous lesions are mainly included.Hysteroscopic has a good diagnostic value in endometrial diseases which should be combined with histopathological examination.
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Objective To develop a mobile medical information system based on informatized monitoring to enhance staff efficiency and patient safety.Methods The acquired information on vital signs was integrated into mobile terminal, which could be called, analyzed and processed along with the clinical data of the patient.Results The doctor might write and edit the prescription based on the clinical data. The nurse could read the prescription at real time, and could treat the patient timely in case of alarming.Conclusion The system lays a foundation for patient-centered medical service.
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Objective To evaluate the effects of combination of dexmedetomidine and mild hypothermia on global cerebral ischemia-reperfusion (I/R) injury in neonatal rats.Methods Ninety-six neonatal Sprague-Dawley rats,aged 6-7 days,weighing 18-22 g,were randomly divided into 4 groups (n=24 each) using a random number table:I/R group,mild hypothermia group (group H),dexmedetomidine group (group D) and combination of dexmedetomidine and mild hypothermia group (group DH).Global cerebral ischemia was induced in rats anaesthetized with chloral hydrate by bilateral common carotid artery clamping (for 15 min) combined with hypotension followed by reperfusion.Dexmedetomidine 75 pg/kg was given intraperitoneally at 30 min before ischemia in D and DH groups,while the equal volume of normal saline was given in I/R and H groups.The temperature in the temporal muscle was maintained at 36.7-37.2℃ in I/R and D groups,and at 34.8-35.3℃ in H and DH groups.At 12,24 and 72 h of reperfusion,8 rats were randomly chosen in each group,and neurological deficit score (NDS) was determined.The animals were then sacrificed,and their brains were removed for determination of myeloperoxidase (MPO) activity (by spectrophotometry) and contents of tumor necrosis factor-alpha (TNF-α) and interleukin-6 (IL-6) in brain tissues (using ELISA).Results Compared with I/R group,the NDS,MPO activity and contents of TNF-α and IL-6 were significantly decreased in the other three groups.The NDS,MPO activity and contents of TNF-α and IL-6 were significantly lower in DH group than in H or D group.Conclusion Dexmedetomidine can optimize cerebral protection providedby mild hypothermia against global cerebral I/R injury through inhibiting inflammatory responses in brain tissues of neonatal rats.
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Objective:To establish an HPLC method for the determination of p-aminophenol in pediatric paracetamol artificial cow-bezoar and chlorphenamine maleate granules. Methods: A CAPCELL PAK MGⅡC18 (150 mm × 4. 6 mm,5 μm) chromatographic column was used with 0. 05% ammonium acetate solution-methyl (85∶ 15) as the mobile phase at the flow rate of 1 ml·min-1 , the detection wavelength was 232nm,the injection volume was 10μl,and the column temperature was 30℃. Results:The linear range of p-aminophenol was 9. 878 4-197. 568 0 ng(r = 0. 999 1), the average recovery was 99. 8%(RSD = 0. 9%,n= 9), and detection limit was 2ng. Conclusion:The method is simple, specific and accurate, which can be used to determine the contents related substances in of pediatric paracetamol artificial cow-bezoar and chlorphenamine maleate granules.
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Objective To investigate the effect of L-carnitine on the apoptosis in Schwann cells induced by high glucose.Methods The cell line RSC96 cultured in vitro were seeded in 96-well plates at a density of 1.5 × 104/ml (200 μl/well) or in 6-well plates at a density of 2 × 105/ml (2 ml/well) and cultured for 24 h.The cells were randomly divided into 4 groups (n =24 each) using a random number table:normal control group (group C),high glucose group (group H),high glucose + L-carnitine group (group H + L),and mannitol osmotic control group (group M).The cells in group C were incubated in the plain culture medium containing normal glucose (5.6 mmol/L).The cells were incubated in the medium containing glucose 50 mmol/L in group H or in the medium containing glucose 50 mmol/L and L-carnitine 50 μmol/L (final concentration) in group H + L.The cells were incubated in the medium containing normal glucose (5.6 mtmol/L) and mannitol 44.4 mmol/L in group M.At 48 h of incubation,cell growth conditions were observed under inverted microscope,superoxide dismutase (SOD) activity was measured by xanthine oxidase method,malondialdehyde (MDA) content was measured by thiobarbituric acid test,cell viability was measured by MTT assay and cell apoptosis was measured by flow cytometry.The expression of activated caspase-3 and poly (ADP-ribose) polymerase-1 (PARP-1) protein was detected by Western blot.Results Compared with group C,the cell viability and SOD activity were significantly decreased,MDA content and apoptotic rate were increased,and the expression of activated caspase-3 and PARP-1 protein was up-regulated in H and H + L groups,and no significant changes were found in group M.Compared with group H,the cell viability and SOD activity were significantly increased,MDA content and apoptotic rate were decreased,and the expression of activated caspase-3 and PARP-1 protein was down-regulated in group H + L.Conclusion L-camitine can attenuate high glucose-induced apoptosis in Schwann cells by inhibiting oxidative stress responses and down-regulating the expression of activated caspase-3 and PARP-1.
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Objective To investigate the effect of dexmedetomidine on the expression of hypoxia-inducible factor-1α (HIF-1α) during hypoxia/reoxygenation (H/R) in human renal tubular epithelial cells.Methods Human renal tubular epithelial cells (HK-2 cells) cultured in vitro were randomly divided into 4 groups (n =24 each) using a random number table:control group (group C),dexmedetomidine group (group DEX),H/R group and H/R+ dexmedetomidine group (group H/R + DEX).In group C,the cells were incubated for 28 h in an incubator filled with normoxia at 37 ℃.In group DEX,dexmedetomidine 0.1 nmol/L (final concentration) was added to the culture medium and the cells were incubated for 2 h,and then incubated for 28 h in an incubator filled with normoxia at 37 ℃.In group H/R,the cells were incubated in an anaerobic chamber for 24 h at 37 ℃,and then incubated for 4 h in an incubator filled with normoxia at 37 ℃.In group H/R + DEX,the cells were incubated for 2 h in the culture medium containing dexmedetomidine 0.1 nmol/L (final concentration),incubated in an anaerobic chamber for 24 h at 37 ℃,and then incubated for 4 h in an incubator filled with normoxia at 37 ℃.After treatment in each group,the cell viability was measured by MTT assay,cell apoptosis was measured using flow cytometry,the expression of HIF-1α mRNA was detected using RT-PCR,the expression of HIF-1α and activated caspase-3 protein was detected by Western blot,and the cell growth was observed.The apoptosis rate was calculated.Results Compared with group C,the cell viability was significantly decreased,the apoptosis rate was increased,and the expression of HIF-1α mRNA and protein and activated caspase-3 protein was up-regulated in H/.R and H/R + DEX groups,and no significant change was found in group DEX.Compared with group H/R,the cell viability was significantly increased,the apoptosis rate was decreased,the expression of HIF-1α mRNA and protein was up-regulated,the expression of activated caspase-3 protein was down-regulated,and the cell status was significantly improved in group H/R + DEX.Conclusion The mechanism by which dexmedetomidine attenuates H/ R-induced damage to human renal tubular epithelial cells may be related to up-regulated expression of HIF-1 α and inhibited cell apoptosis.
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Objective To study the correlation between the drug-resistance variation and the genotypes of hepatitis B virus (HBV)detected by the PCR-reverse dot blot and the relation between the HBV variation loci with the liver function indexes and HBV DNA viral loading.Methods The serum samples from 462 patients with chronic hepatitis B treated by oral nucleoside drugs were screened.The PCR-reverse dot blot was adopted to detect the drug-resistance gene mutation loci and genotypes.The correla-tion between the HBV drug-resistance mutant with the genotypes,liver function indexes and HBV DNA viral loads was performed. Results Among 462 patients taking nucleoside drugs for treating chronic hepatitis B,45 drug-resistance mutants were detected with the mutation rate of 9.74%;in which,16 cases (35.5%)were 180M and 204I/V mutant,6 cases(13.3%)were 204V,13 ca-ses(28.9%)were 204I mutant,3 cases (6.7%)were 180V mutant and 3 cases(6.7%)were 236T mutant.The HBV genotyping showed 105 cases of genotype B,337 cases of genotype C,0 case of genotype D and 2 cases of other genotypes.Conclusion (1)The HBVgenotypes in Maoming area may be different from the genotypes in other southern regions and is dominated by HBV-C geno-type.(2)The PCR-reverse dot blot method is a detection method for fastly and accurately finding the drug-resistance loci after nu-cleosides therapy.(3)The clinical analysis demonstrates that the drug-resistance mutation loci has no correlation with the liver func-tion index ALT(P >0.05),but there was certain correlation between the drug-resistance mutation loci in hepatitis B and HBV DNA viral load(P <0.05).
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Objective To investigate the changes in tumor necrosis factor-α(TNF-α) and plasminogen activator inhibitor(PAI) in the presence of obstructive sleep apnea syndrome(OSAS) in patients with type 2 diabetes mellitus,and to investigate if that 2 inflammatory factors is associated with hypoxemia during sleep.Methods Fiftyfour patients with type 2 diabetes mellitus hospitalized for glycemic control were subgrouped into 27 patients with OSAS (group O) and 27 patients without OSAS (group N).26 people without diabetes and OSAS were selected from a health check-up program to serve as control group (group C).Serum TNF-α and PAI levels were measured by commercial ELISA kits.Apnea hypopnea index (AHI),the lowest pulse oxygen saturation (LSpO2) at night were detected by portable sleep monitor.The relativity regarding TNF-α,PAI,homeostasis model assessment for insulin resistance (HOMA-IR),fasting blood glucose(FBG),AHI,LSpO2,and age was discussed.TNF-α and PAI were regard as dependent variables,and FBG,HOMA-IR,AHI,LSpO2,and age as independent variables in multivariate stepwise linear analysis.Results The levels of HOMA-IR,TNF-α,PAI in group O [2.69 ± 1.53,(1.97 ±0.13) ng/ml,and (2.27 ± 0.85) ng/ml] were higher than the those in other 2 groups,and those in group N [1.70 ± 0.88,(1.09 ±0.29) ng/ml,and (1.59 ± 0.13) ng/ml] were higher than group C [1.15 ± 0.67,(0.73 ± 0.19) ng/ml,and (0.89 ±0.25) ng/ml].The levels of FBG in the 2 diabetic groups were higher than those in group C.The level of AHI in group O was higher than that in group N and group C,while LSpO2 in group O was lower than that in group N and group C.Spearman univariate analysis showed that TNF-α and PAl both were associated positively with HOMA-IR,FBG,and AHI,while negatively with LSpO2.Multivariate stepwise linear analysis denoted that TNF-α was independently associated with AHI,FBG,while PAI was independently associated with AHI and HOMA-IR.Conclusions Patients with diabetes and OSAS manifest raised level of chronic inflammatory activity,and therefore,OSAS might be implicated in the pathogenesis of chronic complication of patients with type 2 diabetes.
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OBJECTIVE To investigate the terminal bacterial pollution of hospital central oxygen supply system and the sanitizing effect of MX-1 disinfector. METHODS Timing many spot samples of terminal oxygen supply equipment (oxygen flowmeter, humid bottle, oxygen pipe) were quantified and cultivated through 24 hours continue supply. RESULTS Five cases of timing many spot samples testified that there were no bacteria oxygen pollution in the pipe oxygen supply in the Department of Respiratory Disease, the Second Affiliated Hospital of Dalian Medical University, and that there were no bacteria pollution in the terminal oxygen supply equipments if they were sterilized strictly, but there would be severe bacteria pollution if they were not sterilized strictly. This test found that lid of humid bottle and lapis were the main source of bacteria pollution. Connection with MX-1 disinfector in the terminal can avoid bacteria pollution. CONCLUSIONS Severe bacteria pollution will happen if the oxygen supply equipments aren't sterilized strictly; connection with MX-1 disinfector in the terminal can avoid bacteria pollution and ensure oxygen for cleanliness and safety.
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Objective To provide a help in avoiding accidents related to infusion pump by analyzing its causes and preventive measures. Methods Alarms of infusion pump occurred in 59 patients by infusion pump are reviewed retrospectively and measures to prevent accidents related to infusion pumps are summarized. Results The measures effectually prevent accidents and guarantee patients in using infusion pump. Conclusion The accidents related to infusion pumps can be prevented effectioly by enhancing safety management and making nurses familiar with the infusion pumps,their alarms as well as handling methods.
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<p><b>OBJECTIVE</b>To explore the linkage relationship between specific genetic markers and arrhythmogenic right ventricular cardiomyopathy (ARVC) in Chinese pedigrees.</p><p><b>METHODS</b>The microsatellite genetic markers D2S152, D14S252, and D10S1664 were studied for their linkages to ARVC in five Chinese ARVC pedigrees and a normal population of 121 Chinese individuals. Genomic DNA of the pedigrees and normal population was amplified using PCR techniques. Denaturing polyacrylamide sequencing gel (4%) electrophoresis was used to detect microsatellite repeat polymorphisms. Gels were silver-stained. A classical linkage analysis program was used assuming models of autosomal dominance and recession.</p><p><b>RESULTS</b>The logarithm of the odds (LOD) scores of D2S152 with ARVC in LW, WD, DS, LC and TY pedigrees were 2.174, -0.589, -infinity, - (indicating that linkage is not supported in this mode), and -infinity respectively in autosomal dominant model (recombination fraction = 0.000 respectively)and were -infinity, -infinity, -infinity, -infinity, and 0.182 respectively in the autosomal recessive model. The LOD scores of D14S252 with ARVC in LW, WD, DS, LC and TY pedigrees were -, -, -infinity, -, and 0 respectively in autosomal dominant model, and were -infinity, -0.812, -infinity, -infinity, and 0.087 respectively in autosomal recessive model. The LOD scores of D2S152 with ARVC in LW, WD, DS, LC and TY pedigrees were -, -0.539, -, and 0.602 respectively in autosomal dominant model and were -, -infinity, -infinity, -infinity, and - infinity respectively in autosomal recessive model.</p><p><b>CONCLUSIONS</b>The LOD score for D2S152 in the LW pedigree was 2.174, indicating that the chance of linkage is about 150:1. This suggests that there is a possible ARVC-related gene near this marker. There were no clear linkage relationships between ARVC and D10S1664 and D14S252 in this family, and no linkages between ARVC and any of the three genetic markers in the other four families. These results also suggest that there is genetic heterogeneity in LW and in the other pedigrees.</p>