Objective To explore the relationship between detective time for serum cardiac troponin I(cTnI) and their positive rate in diagnosis of viral myocarditis(VM).Methods Twenty-one cases of VM were designed as the test group.The serum cTnI were dynamically detected and compared with the normal control group.Results The serum cTnI were all negative in the normal control group,of 6 cases(28.6%) in the test group were positive when admission,of 7 cases(33.3%),8 cases(38.1%),9 cases(42.9%),13 cases(61.9%) and 4 cases(19%) were positive 6,12,18,24,48,72 h and 10 to 14 days laters respectively.There were statistic significances,compared the accumulative total positive rate of 48 h and 72 h after hospitalization with of emission and of 10 to 14 days after hospitalization,respectively.Conclusion Monitoring serum cTnI dynamically may increase the positive rate of cTnI for the suspected patients.

This paper analyses the data structure of DICOM standard by the applications in the Non-DICOM format fluoroscopic images converted into the DICOM format images. It puts forward a solution to integrate the Multi-Channel Electrophysiology Recorder System with the X -ray system in the cardio-catheter room.
Computer Communication Networks ; Diagnostic Imaging ; instrumentation ; methods ; Electrophysiologic Techniques, Cardiac ; instrumentation ; Fluoroscopy ; instrumentation ; Humans ; Image Processing, Computer-Assisted ; instrumentation ; methods ; standards ; Information Storage and Retrieval ; Radiology Information Systems ; standards ; Software Design ; Video Recording ; instrumentation ; methods ; standards

Objective To assess iodine nutrient levels of vulnerable population in Linxia Hui Autonomous Prefecture of Gansu. Methods Local pregnant, lactation, child-bearing age women and 0 - 3 years old infants were selected. The urinary iodine (UI) were determined by arsenic-Ce catalytic spectrophotometry (WS/T 107-1999) and salt iodine content was determined using direct titration method (GB/T 13025.7-1999). The development quotient (DQ) among 0 - 3 years old infants were surveyed by the scales of neuropsychologists development among 0 - 6 years old, and their body height and weight were then investigated. Results The consumption and coverage rates of iodized salt at household level were all below than 90% in 5 counties among 8 counties. The median urine iodine (MUI) among pregnant, lactation, child-beating age women and 0 - 3 years old infants were 90.17, 89.28, 84.85 and 107.28 μg/L, respectively. The UI proportion less than 50 μg/L were 29.6%(278/938), 30.7%(239/778), 32.2% (265/824), and 23.9%(252/1056), respectively. The UI proportion equal or more than 50 μg/L and less than 100 μg/L were 25.1%(235/938), 24.0%(187/778), 23.7%(195/824), 23.7%(250/1056). MUI in pregnant were all less than 150 μg/L in 8 counties, and MUI in lactation women were less than 100 μg/L in 6 counties. The DQ median of infants 0 - 3 years old was 93.0, and 59.9%(395/659), 34.4%(227/659) and 5.6%(37/659)had a DQ below middle, at middle and above middle, respectively. Forty point seven percent (266/654), 50.2%(328/654) and 9.1% (60/654) had a body height below middle,at middle and above middle, respectively. Thirty-five percent (232/663), 51.3%(340/663) and 13.7%(91/663) had a body weight below middle, at middle and above middle, respectively. Conclusions The local qualified iodized salt consumption rate and iodized salt coverage rate are still low. The urine iodine level is below than the reference value recommended. The iodine nutrient is not enough among iodine deficiency disorder vulnerable population, especially in pregnant and lactation women. Infants growth development is retarded.

Objective To explore whether the degree of 99Tcm-methoxyisobutylisonitrile (MIBI) uptake in non-small cell lung cancer (NSCLC) could be correlated with the treatment response to three-dimensional conformal radiotherapy.Methods A total of 102 patients with NSCLC were studied with 99Tcm-MIBI SPECT before radiotherapy.The patients were classified by a follow-up CT as responders (complete or partial remission) and non-responders (stable or progressive disease).After intravenous administration of 740 MBq 99Tcm-MIBI, SPECT imaging at 10-30 min (early) and 2-3 h (delayed) were performed.Region of interest (ROI) was placed over the tumors and contralateral normal lung tissue.The uptake ratio of tumor to contralateral normal lung (T/N) was obtained from both early (ER) and delayed (DR) SPECT images.The retention index (RI) was measured as:RI = (DR - ER)/ER×100%.Statistical analysis was performed by two independent-sample t-test and Mann-Whitney U test using software SPSS 13.0.Results 99Tcm-MIBI uptake was significantly higher in responders than in non-responders:2.36 ±0.17 vs 1.82 ±0.14 (ER) and 2.48 ± 0.20 vs 1.94 ± 0.16 (DR), respectively (t = - 13.1,- 12.7, both P＜ 0.05).The median RI in the responders group was also significantly higher than that in the non-responders group (6.60% vs 5.13%, z = - 6.83, P ＜ 0.05).Conclusion ER, DR and RI of 99Tcm-MIBI SPECT might be useful to estimate the treatment response to three-dimensional conformal radiotherapy in patients with NSCLC.

T cell immune receptor with Ig and ITIM domains (TIGIT), a promising new target in cancer immunotherapy, plays a critical role in limiting adaptive and innate immunity against tumors. The extracellular domain of human TIGIT was used to immune BALB/c mice, and a new anti-human TIGIT chimeric antibody (c7D3) was developed. The mice in this study were used in accordance with the international guidelines for the care and use of laboratory animals, and the animal study was approved by the Institutional Animal Ethics Committee of AbMax Biotechnology. The biological activity of c7D3 was studied. The results showed that c7D3 exhibited high affinity for TIGIT and effectively inhibited the interaction between TIGIT and its ligands. Cell-based assays indicated that c7D3 induced strong luciferase signaling in TIGIT/CD155 signaling reporter assay and enhanced cytokine secretion in a T cell stimulation assay. The data showed that c7D3 has high binding affinity and excellent blocking bioactivity, supporting the further advancement for therapeutic application.

OBJECTIVETo investigate the antidepressant components of Polygala tenuifolia.

METHODThe chromatographic method was used to isolate and purify the chemical constituents, their structures were identified by spectral analysis, MTT method was applied to investigate their cytotoxic activities.

RESULTNine compounds were isolated from the roots of P. tenuifolia. Their structures were identified as sibiricose A, (1), sibiricose A5 (2), tenuifoliside A (3) and 3', 6-disinapoyl sucrose (4), sibiricose A6 (5), 3, 4, 5-trimethoxycinnamate (6), polygalaxanthone III (7), tenuifolioses A (8), tenuifolioses H (9) and some compounds' activities to PC12 were observed.

CONCLUSIONCompound 1 was isolated from this plant for the first time. Compounds 2,3 could protect PC12 cells damage induced by P. tenuifolia.

Animals ; Antidepressive Agents ; chemistry ; isolation & purification ; pharmacology ; Esters ; chemistry ; isolation & purification ; pharmacology ; Mice ; PC12 Cells ; Plant Roots ; chemistry ; Polygala ; chemistry ; Rats ; Sucrose ; chemistry

OBJECTIVETo investigate the morphology of maxillary permanent central incisors of people in Sichuan so as to provide some guidance for emulational restoration of fixed prosthesis.

METHODSFifty-eight extracted maxillary permanent central incisors were selected from people in Sichuan. All of the teeth involved in this study were selected according to certain criterions. The length and width of the anatomical crowns, the length and the width of the developmental grooves and the angles formed by the two sides of the developmental grooves were measured.

RESULTSThe average length and width of anatomical crowns in Sichuan people were (11.9 +/- 1.3) mm and (8.7 +/- 0.8) mm respectively. And the average length and width of the developmental grooves were (5.7 +/- 0.9) mm and (2.1 +/- 0.5) mm respectively. There were no statistical differences between the length of the mesial and distal developmental grooves and so were the width. The ratio of the length of crowns to that of the developmental grooves was 2.1, while for the width, it was 4.2. The angles of the mesial and distal developmental grooves formed by its two sides were 23 degrees +/- 4.7 degrees and 23 degrees +/- 5.7 degrees respectively.

CONCLUSIONThe average length and width of maxillary permanent incisors were close to Wang's report, which means the length and width of the maxillary permanent incisors of people in Sichuan were quite close to those of Chinese people. The ratio of the length of anatomical dental crowns to that of the developmental grooves was steady, and so was the ratio of the width of them. The angles of the developmental grooves were quite steady too. These may help us in making fixed prosthesis.

Crowns ; Humans ; Incisor ; Maxilla ; Tooth Crown

OBJECTIVETo investigate the effect of Reading man flap for the closure of round or elliptical-shaped defect.

METHODSBased on the asymmetric Z flaps, F1 (triangular flap) and F2 (rectangular flap) flaps were designed to cover the round or elliptical-shaped defects. The flaps size ranged from 0.8 cm x 0.8 cm to 9.0 cm x 8.0 cm.

RESULTSFrom 2008 to 2011, 32 cases were treated without infection or dog-ear deformity. Less than 5% of local necrosis happened in one flap, which healed spontaneously after dressing. Delayed healing happened in 5 cases. The scar after operation was inconspicuous.

CONCLUSIONSReading man flap can be designed flexibly. It is a good option for the closure of round or elliptical-shaped defects.

Adolescent ; Adult ; Humans ; Male ; Middle Aged ; Reconstructive Surgical Procedures ; methods ; Skin Transplantation ; Soft Tissue Injuries ; surgery ; Surgical Flaps ; Young Adult

OBJECTIVETo evaluate the effect of gemcitabine in enhancing the radiosensitivity of hepatoma cell line HepG2 and explore its mechanisms.

METHODSClonogenic survival assay is employed to calculate the ratios of L-Q model radiation biology parameters and radiosensitization after different doses of irradiation. Flow cytometry was used to detect the changes in HepG2 cell cycle and apoptosis rate after gemcitabine treatment and radiation exposure.

RESULTSThe survival fraction at 2 Gy of HepG2 cells treated with gemcitabine was significantly lower, and the value of alpha was significantly higher than those of untreated cells. GEM treatment increased the percentage of radiation-induced G0/G1 phase cells and cell apoptosis.

CONCLUSIONGemcitabine can significantly enhance the radiosensitivity of HepG2 cells by enhancing radiation-induced cell cycle arrest in G0/G1 phase and cell apoptosis.

Apoptosis ; drug effects ; Cell Cycle Checkpoints ; drug effects ; Deoxycytidine ; analogs & derivatives ; pharmacology ; Hep G2 Cells ; Humans ; Radiation Tolerance ; drug effects ; Radiation-Sensitizing Agents ; pharmacology