Objective To evaluate the relationship between CT perfusion imaging and clinicopathological features in gastric adenocarcinoma.Methods CT perfusion was performed in 31 cases of gastric cancer diagnosed by endoscopy and biopsy one week prior to operation.After an oral intake of 1000—1200 ml of water and an injection of hypotonic agent,perfusion scan was adopted in sixteen multi- slice spiral CT (MSCT) with 60 s of cine duration.Data were analyzed by a commercial software to cal- culate tumor blood flow (BF),blood volume (BV),mean pass time (MTT) and permeability surface (PS).Microvessl density (MVD) was evaluated by using immunohistochemical staining of surgical specimens with anti-CD34.All these findings were prospectively analyzed and correlated with the clinicopathological find- ings (histological grading,presence of lymph node metastasis,serous involvement,TNM staging and MVD). Results There was significant difference of PS value not only between patients with and without lymphatic in- volvement (P＜0.05),but also in different histological grade (P＜0.05) and TNM staging (P＞0.05). However BF,BV,MTT and MVD of gastric cancer revealed no significant correlation with the clinicopatholog- ical findings above (P＞0.05).Condusion The analysis of CT perfusion imaging in gastric cancer,especially PS value,might be helpful in predicting the prognosis.

Thiazolidinediones (TZDs) are currently the only recognized insulin sensitizers available for the clinical treatment of type 2 diabetes. Although their advantages are recognized, the profiles of numerous adverse effects hinder the continued use of these drugs. Peroxisome proliferator-activated receptor γ (PPARγ) is known as a receptor for TZDs, and its underlying mechanisms of pharmacological actions and adverse effects have been deeply explored. To maximally preserve the PPARγ-mediated insulin sensitizing effects and reduce the occurrence of related adverse effects, the concept of "selective PPARγ modulators (SPPARMs)" has been proposed and developed, guiding the development of new drugs. In this review, we summarize the recent research progress in the definition of SPPARMs, the candidate classification and the molecular underpinnings, as well as present the discovery of the YR series compounds as an example, and discuss the potential application prospects of SPPARMs.

Objective To investigate the effects of partial body weight supported treadmill training (BW- STT) on post-stroke depression (PSD) and on patients' quality of life.Methods Sixty patients with PSD were re- cruited and divided into a training group (n=30,male 17,female 13) and a control group (n=30,male 16,fe- male 14).All patients were treated with routine internal medication and rehabilitation.The patients of the training group also received BWSTT in addition to their routine treatment.All patients' neurological impairment was evaluated using the Modified Edinburgh-Scandinavian Stroke Scale (MESSS).The Hamilton depression scale (HAMD) was used for evaluating the degree of depression.The Fugl-Meyer scale and the Barthel index were used to assess ambula- tion and balance,and facility in the activities of daily living.All patients were assessed before and after the treat- ment.Results After four weeks of treatment,depression in the training group had improved significantly more than in the control group.Conclusion BWSTT intervention is very important for patients with PSD:it can reduce the degree of depression and improve the quality of life.

Objective:To explore the inhibitory effect of moxibustion on tumor growth and metastasis, and also its possible mechanism, in gastric tumor-bearing rats by investigating the expressions of vascular endothelial growth factor (VEGF) and epidermal growth factor (EGF). Methods:Fifty healthy Sprague-Dawley (SD) rats (half male and half female) were routinely housed for 1 week. A total of 20 rats were randomly divided into a blank group and a sham operation group, with 10 rats in each group. The remaining 30 rats were used to make gastric cancer models by implantation of ascites-type Walker-256 cancer cells. After successful modeling, rats were randomly divided into a model group, a moxibustion group and an infrared group, with 10 rats in each group. From the day of modeling, the body weight of each group was weighed every 4 days. Warm moxibustion was alternately performed at two-group acupoints [Zhongwan (CV 12), Guanyuan (CV 4) and bilateral Zusanli (ST 36) in one group, and bilateral Pishu (BL 20) and Weishu (BL 21) in another group] in the moxibustion group. The body surface projection area of the stomach was irradiated with short-wave infrared rays in the infrared group, once a day, 20 min per time for 21 d. At the end of the treatment, the gastric tumor was completely dissected, and the tumor volume and tumor growth inhibition rate were calculated. Then the gastric tumor cell metastasis was recorded. The levels of VEGF and EGF in rat gastric tumor tissues were determined by enzyme-linked immunosorbent assay (ELISA). Results:Compared with the blank group, the body weight of the model group decreased significantly after modeling (P<0.05); compared with the model group, the rats in the moxibustion group had increased body weight during the middle and late stages (bothP<0.05). The tumor volumes of rats in the moxibustion group and the infrared group were smaller than the volume in the model group (bothP<0.05). The tumor growth inhibition rate in the moxibustion group was significantly higher than that in the infrared group (P<0.05). The case number of tumor metastasis in the moxibustion group was smaller than that in the model group and the infrared group. The VEGF level in the tumor tissues of the model group was statistically significantly higher than that in the blank group (P<0.05). Compared with the model group, the VEGF levels in the moxibustion group and the infrared group were statistically significantly lower (bothP<0.05). The EGF levels in the tumor tissues of the model group was statistically significantly lower than that in the blank group (P<0.05); compared with the model group, the EGF levels in the moxibustion group and the infrared group were statistically significantly increased (bothP<0.05). Conclusion:Moxibustion can increase the body weight, inhibit the tumor growth, invasion and metastasis in gastric tumor-bearing rats, which may be related to the regulation of VEGF and EGF expressions in tumor tissues.

Hepacivirus ; isolation & purification ; Humans ; Leukocytes, Mononuclear ; virology ; RNA, Viral ; blood ; Reverse Transcriptase Polymerase Chain Reaction ; methods ; Viremia ; virology

This study was purposed to establish a new quick and simple diagnostic method with high sensitivity and good specificity for idiopathic thrombocytopenic purpura (ITP) and to evaluate its significance. 240 platelet lysates (from patients with ITP, leukemia, MDS, and healthy adults, each of 60 cases) were randomly assigned to training set (120 cases) or validation set (120 cases), all of them were detected by surface enhanced laser desorption ionization time of flight mass spectrometry (SELDI-TOF-MS), in order to identify the differentially expressed protein, the diagnostic model was established by means of artificial neural network (ANN), and was validated by blind test with SPSS 17.0. The results showed that 5 marked proteins significantly differentially expressed (P < 0.01), m/z of highly expressed proteins were 2234.30, 3476.36, and 7526.29, m/z of low expressed proteins were 4990.02 and 5152.39, respectively. The sensitivity and specificity of diagnostic model were 80.6% and 77.3% respectively. The area under the ROC curve consisting of the output value of artificial neura1 network was 0.837. Efficacy of the model was validated by means of blinded test. It is concluded that the ANN model is useful for clinical diagnosis of ITP on the basis of platelet protein fingerprint spectrum.
Adult ; Case-Control Studies ; Humans ; Neural Networks (Computer) ; Peptide Mapping ; Proteome ; analysis ; Proteomics ; Purpura, Thrombocytopenic, Idiopathic ; diagnosis ; genetics ; metabolism ; Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization ; methods

BACKGROUNDProgrammed cell death 5 (PDCD5) is a novel apoptotic regulatory gene that promotes apoptosis in various tumor cells. Studies have shown that PDCD5 accelerates the apoptosis of synoviocytes in vitro, implying a potential role in rheumatoid arthritis (RA) pathogenesis. This study examined the expression of PDCD5 in serum and synovial fluid of RA patients, its effect on the expression of inflammatory cytokine, interleukin-17 (IL-17), and the assessment of disease activity in RA.

METHODSPDCD5 and IL-17 levels in serum and synovial fluid from 18 patients with RA and 22 patients with osteoarthritis (OA) were detected using enzyme-linked immunosorbent assay (ELISA). Concentrations of serum PDCD5 in 40 healthy people were also detected as controls. As disease activity indices, C-reactive protein (CRP), erythrocyte sedimentation rate (ESR), rheumatoid factor (RF), and X-ray grading scale were also evaluated.

RESULTSSerum and synovial fluid PDCD5 levels in RA patients were significantly higher than those in OA and healthy controls. Serum PDCD5 level was inversely correlated to CRP and ESR, and was significantly higher in the RF negative group than in the positive group. PDCD5 level was also negatively correlated with IL-17 levels both in serum and synovial fluid of RA patients. However, differences in synovial fluid PDCD5 level from RA patients at different Larsen stages were not detectable.

CONCLUSIONSPDCD5 affects RA pathogenesis. Insufficient apoptosis of fibroblast-like synoviocytes and inflammatory cells in RA could increase the expression of PDCD5 protein. As PDCD5 levels correlated negatively with disease activity indices and IL-17 level, PDCD5 could become a target in the diagnosis and treatment of RA.

Aged ; Apoptosis ; Apoptosis Regulatory Proteins ; analysis ; blood ; physiology ; Arthritis, Rheumatoid ; etiology ; Blood Sedimentation ; C-Reactive Protein ; analysis ; Female ; Humans ; Interleukin-17 ; analysis ; blood ; physiology ; Male ; Middle Aged ; Neoplasm Proteins ; analysis ; blood ; physiology ; Synovial Fluid ; chemistry

Total RNA was isolated from Siraitia grosvenorii fruit by the method of modified Trizol, according to S. grosvenorii fruit characteristics of rich phenols, polysaccharide, oil and proteins. The OD260/280, OD260/230, RNA integrity (RIN) and yield of the total RNA with this method were 2.01, 2.02, 9.50 and 260 mirog.g-1, respectively. The open reading frame (ORF) of dehydroascorbate reductase (DHAR), named as SgDHAR, was cloned by rapid amplification of cDNA ends (RACE) and RT-PCR method from S. grosvenorii. The GenBank accession number for this gene is KC907731. The SgDHAR gene contains a full-length cDNA of 1,252 bp including ORF of 819 bp and encodes a predicted protein of 272 amino acids. The molecular mass is 30.217 7 kD and the isoelectric point is 8.76. Homology comparison showed that it shared 87% nucleotide sequence homology with Cucumis sativus. Expression patterns using qRT-PCR analysis showed that SgDHAR was mainly expressed in fruit and stem, followed by flower, and was lowest in root, while the expression level was 6.83 times in triploid. T than that in diploid. Therefore, SgDHAR gene may be involved in abortion of triploid seedless S. grosvenorii.
Amino Acid Sequence ; Base Sequence ; Cloning, Molecular ; Cucurbitaceae ; chemistry ; genetics ; DNA, Complementary ; genetics ; Flowers ; chemistry ; genetics ; Fruit ; chemistry ; genetics ; Molecular Conformation ; Open Reading Frames ; Oxidoreductases ; genetics ; metabolism ; Phylogeny ; Plant Roots ; chemistry ; genetics ; Plant Stems ; chemistry ; genetics ; Plants, Medicinal ; chemistry ; genetics ; Protein Structure, Secondary ; RNA, Plant

OBJECTIVETo investigate the level of the serum IL-21 and its correlation with serum biochemical indices of liver function test in patients with acute-on-chronic liver failure.

METHODSSixty patients with acute-on-chronic liver failure (severe hepatitis group) and 18 normal cases (control group) were enrolled in the study. Peripheral blood lymphocytes were isolated and total RNA of lymphocytes was extracted by using Trizol. Real-time PCR was used to assay IL-21 mRNA level. The serum IL-21 expression level was detected by ELISA method. The correlation between IL-21 and ALT, AST, TBiL, ALB was analyzed using Pearson's correlation analysis, respectively.

RESULTSSerum IL-21 expression level in severe hepatitis group was higher than that of control group. Moreover, the difference between them was statistically significant (P < 0.05). Serum IL-21 level was positively correlated with serum ALT, AST, TBil, respectively (P < 0.05), but was negatively correlated with ALB, respectively (P < 0.05).

CONCLUSIONSerum IL-21 expression level was increased in patients with acute-on-chronic liver failure and was associated with the severe of inflammation. We, therefore, believe that IL-21 might be involved in the pathogenesis of acute-on-chronic liver failure and might be an index of the severity of liver inflammation.

Adult ; Alanine Transaminase ; blood ; Case-Control Studies ; Female ; Humans ; Interleukins ; blood ; genetics ; Liver Failure ; blood ; genetics ; physiopathology ; Liver Function Tests ; Male ; Middle Aged ; Young Adult

OBJECTIVETo investigate the level of the serum IL-23 and its correlation with serum biochemical indices of liver function tests and HBV DNA load in patients with chronic severe hepatitis B.

METHODSFifty patients with chronic severe hepatitis B (severe hepatitis group) and 18 healthy controls (control group) were enrolled in the study. The serum IL-23 expression level was detected by ELISA method. The correlation between IL-23 and ALT, AST, TBil, HBV DNA load was analyzed using Pearson's correlation analysis, respectively.

RESULTSSerum IL-23 expression level in severe hepatitis group was significantly higher than that of control group (P < 0.05). Serum IL-23 level was positively correlated with serum ALT, AST, respectively (P < 0.05), but was not correlated with TBil and HBV DNA load, respectively (P > 0.05).

CONCLUSIONSerum IL-23 expression level was increased in patients with chronic severe hepatitis B and was associated with the severe of inflammation. We, therefore, believe that IL-23 might be involved in the pathogenesis of chronic severe hepatitis B.

Adult ; Alanine Transaminase ; blood ; Aspartate Aminotransferases ; blood ; DNA, Viral ; analysis ; Female ; Hepatitis B, Chronic ; immunology ; virology ; Humans ; Interleukin-23 ; blood ; Male ; Middle Aged