Objective To understand the influencing factors of hypertension control,and to provide a theoretical basis for developing intervention measures.Methods A two-stage cluster random sampling method was performed and a total of 1 377 cases and 749 controls in Yuhang District were selected.Univariate and multivariate logistic regression analysis were used.Results The control rate of hypertension was 64. 77%.Hypertension control was related to BMI,course of disease and models of follow-up by univariate logistic regression analysis(P<0. 05 ).The multivariate logistic regression analysis showed that older age (OR =0. 983,95%CI=0. 974 -0. 993 ),male (OR =1. 272,95%CI=1. 053 -1. 535 ), overweight (OR=0. 709,95%CI=0. 576-0. 872),obesity (OR=0. 297,95%CI=0. 210-0. 421)and model of group follow-up (OR=0. 495,95%CI=0. 375 -0. 654)were the major influencing factors.Conclusion The older age,male, overweigt,obesity and model of group follow-up were the major influencing factors.Comprehensive intervention measures should be strengthened so as to improve the control rate of hypertension in community.

OBJECTIVESTo evaluate the inhibitory effect mediated by combination of small interfering RNAs (siRNAs) targeting different sites of hepatitis B virus (HBV) transcripts on the viral replication and antigen expression in vitro.

METHODS(1) Seven siRNAs targeting surface (S), polymerase (P) or precore (PreC) region of HBV genome were designed and chemically synthesized. (2) HBV-producing HepG2.2.15 cells were treated with or without siRNAs for 72 h. (3) HBsAg and HBeAg in the cell culture medium were detected by enzyme-linked immunoadsorbent assay. (4) Intracellular viral DNA was quantified by real-time PCR (Polymerase Chain Reaction). (5) HBV viral mRNA was reverse transcribed and quantified by real-time PCR. (6) The change of cell cycle and apoptosis was determined by flow cytometry.

RESULTSOur data demonstrated that synthetic small interfering RNAs (siRNAs) targeting S and PreC gene could efficiently and specifically inhibit HBV replication and antigen expression. The expression of HBsAg and HBeAg and the replication of HBV could be specifically inhibited in a dose-dependent manner by siRNAs. Furthermore, our results showed that the combination of siRNAs targeting various regions could inhibit HBV replication and antigen expression in a more efficient way than the use of single siRNA at the same final concentration. No apoptotic change was observed in the cell after siRNA treatment.

CONCLUSIONOur results demonstrated that siRNAs exerted robust and specific inhibition on HBV replication and antigen expression in a cell culture system and combination of siRNAs targeting different regions exhibited more potency.

Apoptosis ; Cell Cycle ; Cell Line, Tumor ; DNA, Viral ; biosynthesis ; Flow Cytometry ; Gene Expression Regulation, Viral ; genetics ; Hepatitis B Surface Antigens ; metabolism ; Hepatitis B e Antigens ; metabolism ; Hepatitis B virus ; genetics ; physiology ; Humans ; RNA, Small Interfering ; genetics ; metabolism ; Virus Replication ; genetics

Objective:To analyze the effect and clinical significance of continuous renal replacement therapy (CRRT) on severe acute pancreatitis complicated with different grades of intra-abdominal hypertension, and to determine whether the level of intra-abdominal pressure can be used as one of the indicators of CRRT in these patients.Methods:From September 2020 to September 2022, the clinical data of 66 patients with severe acute pancreatitis complicated by intra-abdominal pressure (IAP) ≥12 mmHg who were treated with CRRT and admitted to the EICU of Affiliated Hospital of Xuzhou Medical University were retrospectively analyzed. According to the level of IAP, they were divided into group A: 12 mmHg≤IAP < 15 mmHg, 22 cases; group B: 15 mmHg≤IAP≤20 mmHg, 23 cases and group C: IA P>20 mmHg, 21 cases. The general clinical data and IAP values before and after CRRT treatment, as well as the ΔIAP (difference of IAP before and after treatment) were recorded. The difference of IAP before and after treatment and the ΔIAP between group B and group C were compared by independent sample t test. The relationship between IAP before treatment and ?IAP was analyzed by spearman test. Results:There were no significant differences in gender, age, modified Marshall score, APACHE Ⅱ score, number of mechanical ventilation, and etiology among the three groups before treatment( P>0.05). After CRRT treatment, IAP of group A was no significantly changed before and after treatment ( P>0.05). IAP in groups B and C was significantly lower after treatment than before treatment ( P<0.05), and the ΔIAP of group C was significantly higher than that of group B ( P<0.05). There was a positive correlation between IAP before treatment and ?IAP in group B and Group C ( P<0.05). Conclusions:1．For patients with severe pancreatitis complicated with intra-abdominal hypertension, CRRT treatment can effectively reduce IAP when IAP≥15 mmHg, and the higher the IAP, the more obvious effect of CRRT treatment in controlling intra-abdominal pressure. 2. IAP≥15 mmHg can be used as one of the indicators for CRRT in SAP patients.

This study was aimed to explore the applicable value of multiplex nested reverse transcription-polymerase chain reaction (multiplex nested RT-PCR)for the detection of platelet-derived growth factor receptor alpha (PDGFRα) fusion gene in myeloproliferative neoplasms (MPN). Bone marrow or peripheral blood samples from 146 patients with MPN were analyzed by using a novel multiplex nested RT-PCR. The result showed that PDGFRα fusion gene was found in 6 out of the 146 bone marrow or peripheral blood samples, the positive rate was 4.11%, 4 from the 6 patients received treatment with imatinib and showed therapeutic effect. It is concluded that the multiplex nested RT-PCR has a series of advantages such as high sensitivity, specificity, and time-saving, and can be applied for determination of the molecular type of MPN, and also for the diagnosis and therapy of MPN.
Bone Marrow Neoplasms ; diagnosis ; genetics ; Gene Fusion ; Humans ; Multiplex Polymerase Chain Reaction ; Myeloproliferative Disorders ; diagnosis ; genetics ; Receptor, Platelet-Derived Growth Factor alpha ; genetics ; Reverse Transcriptase Polymerase Chain Reaction ; methods

In order to explore the value of reverse transcription(RT)-multiplex nested PCR for detecting PDGFRB gene rearrangement in myeloproliferative disorders (MPD), the PDGFRB rearrangement was detected qualitatively in 146 MPD cases by reverse transcription multiplex nested PCR. The results showed that 8 cases with PDGFRB fusion gene were found in 146 cases, the positive rate was 5.5%. Out of 8 cases with PDGFRB fusion gene, TEL-PDGRB fusion gene was found in 3 cases; HIP1-PDGFRB fusion gene in 2 cases; GIT2-PDGFRB, TP53BP1-PDGFRB and WDP48-PDGFRB fusion gene in 1 case, respectively. It is concluded that RT-multiplex nested PCR is a powerful tool for the detection of PDGFRB rearrangement, which helps to tentatively diagnose MPD and to provide the clues for targeting therapy.
Gene Rearrangement ; Humans ; Multiplex Polymerase Chain Reaction ; Myeloproliferative Disorders ; diagnosis ; genetics ; Receptor, Platelet-Derived Growth Factor beta ; genetics ; Reverse Transcriptase Polymerase Chain Reaction ; methods

Diffuse large B cell lymphoma (DLBCL) is the most common aggressive non-Hodgkin's lymphoma (NHL), characterized by great heterogeneity in clinical manifestations and molecular genetics. This study was aimed to explore the clinical significance of applying multiplex PCR to detect BCL2/IGH and BCL6/IGH fusion genes in DLBCL. Multiplex PCR was used to detect bone marrow samples from 80 cases of DLBCL. The results showed that 12 patients (15%) carried BCL2/IGH or BCL6/IGH fusion genes, BCL2/IGH was found in 6 patients (7.5%), and BCL6/IGH in another 6 patients (7.5%). The patients with different molecular markers displayed different clinical features and outcomes. It is concluded that multiple PCR is rapid and accurate method to identify gene abnormalities in DLBCL, but further studying a quantitative or semi-quantitative assay for the expression of fusion genes is needed.
Adult ; Aged ; Aged, 80 and over ; Bone Marrow ; pathology ; Female ; Humans ; Immunoglobulin Heavy Chains ; genetics ; Lymphoma, Large B-Cell, Diffuse ; genetics ; pathology ; Male ; Middle Aged ; Multiplex Polymerase Chain Reaction ; Oncogene Proteins, Fusion ; genetics ; Proto-Oncogene Proteins c-bcl-2 ; genetics ; Proto-Oncogene Proteins c-bcl-6 ; genetics ; Young Adult

OBJECTIVETo retrospectively analyze the clinical value of diffusion-weighted MR imaging in the detection of prostate cancer in suspected patients.

METHODSBetween January 2009 and December 2010, the 551 patients suspected as prostate cancer underwent prostate biopsy. Patients in group A were accepted to a transrectal ultrasound (TRUS) guided transrectal prostate biopsy (n = 410), while patients in group B were accepted to a diffusion weighted imaging (DWI) and TRUS jointly guided transrectal prostate biopsy (n = 141). The two groups were divided into 4 subgroups by prostate specific antigen (PSA) < 10 µg/L, 10 µg/L ≤ PSA < 20 µg/L, 20 µg/L ≤ PSA < 50 µg/L and PSA ≥ 50 µg/L. Then, the diagnostic rates of prostate biopsy guided by combination of DWI and TRUS with only TRUS were compared.

RESULTSThe diagnostic rate of patients with PSA < 10 µg/L, 10 µg/L ≤ PSA < 20 µg/L, 20 µg/L ≤ PSA < 50 µg/L and PSA ≥ 50 µg/L were 12.1%, 31.1%, 48.0%, 91.2% in group A, and 23.7%, 35.5%, 66.7%, 96.3% in group B, respectively. In the patients with PSA less than 10 µg/L, there were significant differences in diagnostic rate between the two biopsy techniques (χ(2) = 4.405, P < 0.05).

CONCLUSIONThe combination of DWI and TRUS showed the potential to guide biopsy to cancer foci in patients suspected as prostate cancer. For patients with PSA < 10 µg/L, a DWI and TRUS jointly guided transrectal prostate biopsy was recommended.

Biopsy, Needle ; methods ; Endosonography ; Humans ; Magnetic Resonance Imaging ; Male ; Prostate ; diagnostic imaging ; pathology ; Prostatic Neoplasms ; diagnosis ; pathology ; Retrospective Studies

This study was aimed to investigate the clinical value of multiplex nested reverse transcription PCR (RT-PCR) in detecting MLL-related fusion genes in myelodysplastic syndrome (MDS). Ten MLL-related genes (dupMLL, MLL-ELL, MLL-ENL, MLL-AF6, MLL-AF9, MLL-AF10, MLL-AF17, MLL-CBP, MLL-AF1P, MLL-AF1Q) in 221 MDS cases were detected by multiplex nested RT-PCR. The results indicated that 20 patients were detected with positive result among 221 patients and the positive rate was 9.05%. The number of the positive cases and positive rates of the above mentioned 10 fusion genes were in order: 7 (3.16%), 2 (0.9%), 1 (0.45%), 1 (0.45%), 2 (0.9%), 2 (0.9%), 1 (0.45%), 2 (0.9%), 1 (0.45%), 1 (10.45%). It is concluded that the multiplex nested RT-PCR has been confirmed to be able to detect 10 fusion genes in MDS patients, which can provide important evidences for assessing diagnosis and treatment, and give related necessary information about minimal residual disease and its prognosis.
Adult ; Aged ; Aged, 80 and over ; Female ; Humans ; Karyotyping ; Male ; Middle Aged ; Myelodysplastic Syndromes ; genetics ; Oncogene Proteins, Fusion ; genetics ; Polymerase Chain Reaction ; methods ; Reverse Transcriptase Polymerase Chain Reaction ; Translocation, Genetic ; Young Adult

OBJECTIVETo evaluate the effects of polyamidoamine dendrimer (PAMAM) liposome as gene carriers on the cellular uptake and its cytotoxicity in colonic cancer cell.

METHODSThe liposome modified PAMAM was synthesized with liposome and polyamidoamine dendrimer. Plasmid PEGFP-N1 was mixed with the liposome-modified PAMAM or unmodified PAMAM to form nanoparticle complexes. The shape and size of the nanoparticle complexes were observed by transmission electron microscope and the zeta potential was measured by analytical tool. The encapsulating efficiency was determined by ultraviolet spectrophotometer in centrifuging method. After the cell lines SW620 (colonic cancer cell), MCF-7 (breast cancer cell), ECV304 (vascular endothelial cell) were transfected by the two kinds of PAMAM nanoparticle complexes, the flow cytometry was used to determine the uptake of enhanced green fluorescent protein (EGFP) gene. The cytotoxicity of PAMAM liposome nanoparticles and PAMAM nanoparticles was evaluated by MTT assay.

RESULTSThe diameter of liposome modified PAMAM complex was (192 ± 16) nm, and that of PAMAM complex was (189 ± 19) nm (P > 0.05); and the zeta potential of liposome modified PAMAM complex was higher than that of PAMAM complex [(42 ± 7) mV vs. (32 ± 7) mV, P < 0.05]. There was no significant difference in envelopment rate between the two groups [(82 ± 7)% vs. (84 ± 6)%, P > 0.05]. After the colonic cancer cell line SW620 was transfected with the two kinds of PAMAM nanoparticle complexes, the cellular uptake of the cells with the liposome-modified PAMAM complex was significantly higher than that of the cell with PAMAM complex (P < 0.05). The cellular survival rate of the cell lines with liposome-modified PAMAM complex was significantly higher than that of cell lines with PAMAM complex (P < 0.05).

CONCLUSIONThe liposome modified PAMAM can improve gene transfection efficiency and suppress its cytotoxicity.

Cell Line, Tumor ; Cell Survival ; drug effects ; Colonic Neoplasms ; metabolism ; pathology ; Dendrimers ; pharmacokinetics ; toxicity ; Genetic Vectors ; pharmacokinetics ; toxicity ; Humans ; Liposomes ; pharmacokinetics ; toxicity ; Transfection

OBJECTIVETo investigate the specificity and sensitivity of the immunohistochemistry for hMLH1 and hMSH2 with detection of microsatellite instability (MSI) to identify the kindreds with hereditary nonpolyposis colorectal cancer and to analyse its value in clinical practice.

METHODSpecimens of 16 cases with HNPCC and 16 cases with sporadic colorectal cancer were detected by immunostaining with hMLH1 and hMSH2 and MSI was also detected.

RESULTSThe specificity and sensitivity of the immunohistochemistry for hMLH1 and hMSH2 were 91.7% and 87.5% respectively. The specificity and sensitivity of MSI were 100% and 75.0%. By combining two methods, the specificity and sensitivity were 91.7% and 93.8% respectively.

CONCLUSIONSBy combination of the immunohistochemistry for hMLH1 and hMSH2 and detection of MSI to identify the kindreds with HNPCC, the specificity and sensitivity are improved which is better than to use either of them alone. And it is very easy and cheap that it can be used in clinics.

Adaptor Proteins, Signal Transducing ; Adult ; Aged ; Carrier Proteins ; Colorectal Neoplasms, Hereditary Nonpolyposis ; genetics ; DNA-Binding Proteins ; analysis ; Female ; Genomic Instability ; Humans ; Immunohistochemistry ; Male ; Microsatellite Repeats ; Middle Aged ; MutL Protein Homolog 1 ; MutS Homolog 2 Protein ; Neoplasm Proteins ; analysis ; Nuclear Proteins ; Proto-Oncogene Proteins ; analysis ; Sensitivity and Specificity