Adenomatous Polyposis Coli ; genetics ; pathology ; Colonic Neoplasms ; classification ; genetics ; pathology ; Colorectal Neoplasms, Hereditary Nonpolyposis ; diagnosis ; genetics ; DNA Glycosylases ; metabolism ; Humans ; Intestinal Polyps ; pathology ; Lymphatic Metastasis ; Neoplasm Staging ; Neuroendocrine Tumors ; classification ; pathology ; Precancerous Conditions ; pathology ; Rectal Neoplasms ; classification ; genetics ; pathology ; World Health Organization

CA-19-9 Antigen ; metabolism ; Carcinoembryonic Antigen ; metabolism ; Carcinoma ; pathology ; Carcinoma in Situ ; etiology ; genetics ; metabolism ; pathology ; Chromosomes, Human, Pair 17 ; Chromosomes, Human, Pair 5 ; Diagnosis, Differential ; Gallbladder Diseases ; pathology ; Gallbladder Neoplasms ; etiology ; genetics ; metabolism ; pathology ; Humans ; Loss of Heterozygosity ; Microsatellite Instability ; Polyps ; pathology ; Precancerous Conditions ; etiology ; genetics ; metabolism ; pathology

It has been reported that the high expression of gastrins and their receptors promotes some colorectal neoplasms cells proliferation and inhibit apoptosis.MicroRNAs (miRNAs) are closely related to gene expression regulation in colorectal neoplasms.Researches show that miRNAs have multiple intersections in the regulatory network of colorectal neoplasms with the signal transduction pathway of gatrins which controls the proliferation of colorectal neoplasms.Gastrins perhaps control the proliferation of colorectal neoplasms cells through miRNA signal transduction pathways.These findings have greatly expanded the understanding of the pathoge nesis of colorectal neoplasms and will provide new ideas and methods for the diagnosis and treatment of colorectal neoplasms.

Bile Duct Neoplasms ; etiology ; pathology ; Bile Ducts, Intrahepatic ; pathology ; Carcinoma in Situ ; etiology ; pathology ; Carcinoma, Papillary ; pathology ; Cholangitis, Sclerosing ; complications ; Diagnosis, Differential ; Humans ; Precancerous Conditions ; etiology ; pathology

Objective To investigate the function and regulatory mechanisms of VCAN gene and protein in metastatic prostate cancer.Methods The data of whole genomic expression profiles got from the prostate cancer metastasis were obtained from gene expression omnibus (GEO) database,a set of bioinformatics tools,such as BRB-Array Tools,protparam,SMART,SignalP 4.0,TMHMM,NetPhos2.0,PredictProtein,SWISS-MODEL,GO,KEGG and STRING softwares were used to accomplish data-mining and bioinformatics analysis.Results There were 73 co-expressed differentially genes in prostate cancer metastasis,21 up-regulated and 52 down-regulated.Bioinformatics analysis indicated that VCAN gene encoded 3396 amino acids,VCAN was also contained one Immunoglobulin domain,two hyaluronan-binding domain,one epidermal growth factor-like domain,one calcium-binding EGF-like domain,one C-type lectin domain and one domain abundant in complement control proteins,and a furthermore analysis suggested that VCAN played essential roles in such important biological function including cell adhesion,hyaluronic acid binding,calcium-binding,glycosaminoglycan binding,extracellular matrix and cell adhesion molecules.Conclusions Bioinformatics analysis had a high efficiency in analyzing microarray data and revealing internal biology information.VCAN may play an important role in the prostate cancer metastasis,Thus,VCAN might be a novel biomarker for the diagnosis of prostate cancer metastasis or a new target for its treatment.

Objective To study pharmacokinetics of curcumin in Curcuma phaeocaulis in rats in vivo.Methods HPLC method was used to determine the curcumin in rat plasma.The conditions were column: Lichrospher-5-C_(18)(250 mm?4.6 mm, 5 ?m); column temperature: 25 ℃;mobile phase: CH_3CN-5% HAc water solution(45∶55);flow: 1 mL/min;detection wavelength: 420 nm.Results The calibration curve was liner(r=0.999 5) at the range of 6.5—104 ?g/mL.The average recovery was 98.5%.RSD was 2.41%(n=5).The pharmacokinetic parameters of curcumin were as follows: k_a was 0.53/h,k_e was 0.10/h,t_(1/2ka) was 1.32 h,t_(1/2k) was 6.89 h,t_(peak) was 3.89 h,C_(max) was 93.15 ng/mL,AUC was(1 369.38) ng/mL.Conclusion This method is stable,simple,and reliable,which can be applied for the determination of curcumin in plasma and pharmacokinetic studies.

Objective: To study the effects of Gentianae Macrophyllae Radix in cold and heat compatibility in rheumatic fever arthralgia rheumatoid arthritis (RA) model rats by principal component analysis and cluster analysis. Methods: Eighty SD rats were randomly divided into blank group, collage II model group, rheumatic fever arthralgia model group, tripterygium group, single Qinjiao group, Qinjiao-Weilingxian (Clematidis Radix et Rhizoma) group, Qinjiao-Sangjisheng (Taxilli Herba) group, and Qinjiao-Fangji (Stephaniae Tetrandrae Radix) group; rheumatic fever arthralgia model were induced by collage II and being exposed in rheumatic fever environment, each administration group was gavaged with 15 mL/kg corresponding drug solution after modeling. The weight, paw thickness, arthritis index, pain threshold, cold pain tolerance time and pressure pain tolerance value were measured. The serum contents of RF, CRP, TNF-α, IL-1β, and PGE2 were detected by ELISA. Results: Principal component analysis selected two principal components, which carried 89.6% of the original information, the first principal component reflected all information in expect weight, the second principal component mainly reflected the weight. The total factor score F (the greater the F value, the more severe the disease) was obtained by the sum of the principal component factor score and its weight (variance contribution) product. The F value of rheumatic fever arthralgia model group was the highest and the score of the blank group was the lowest, the F value of Qin-Fang group was significantly lower than those of Qin-Wei group and Qin-Sang group. Cluster analysis divided eight groups into three categories according to the blank, model and administration, which was consistent with the theory; In the control group, Qin-Fang group was clustered into one group, and the other groups were clustered into one group. Conclusion: For the rheumatic fever arthralgia RA, the combined effect of mild and cold traditional Chinese medicine (TCM) is better than the combined effect of mild and warm TCM and the combined effect of mild TCMs. Experimental results are consistent with the principles of TCM clinical treatment of "treating the hot diseases should use the cold medicine"; Principal component analysis and cluster analysis are simple and reliable, and can be used to evaluate the animal model and drug efficacy.

Objective: To observe the effects of Gentianae Macrophyllae Radix (Qinjiao) in different combinations on the expression of MMP-3, TIMP-1, and ankle pathological changes in rheumatoid arthritis (RA) model rats, and to explore the relationship between medicinal properties-disease-efficacy and explore the mechanism of traditional Chinese medicine in the treatment of RA. Methods: Eighty SD rats were randomly divided into blank group, collage II model group, rheumatic fever model group, tripterygium group, single Qinjiao group, Qinjiao-Weilingxian (Clematidis Radix et Rhizoma) group, Qinjiao-Sangjisheng (Taxilli Herba) group, and Qinjiao-Fangji (Stephanlae Tetrandrae Radix) group. Rheumatic fever arthralgia model was induced by collage II and exposed in rheumatic fever environment. After modeling, each administration group was ig administrated with corresponding drug solution. The paw thickness was observed every 3 d, and swelling was calculated; The arthritis index was scored in the early, middle, and late stages. Rats were sacrificed on day 39. The expression of MMP-3 and TIMP-1 in the ankle joint of rats was detected by immunohistochemistry, and the pathological changes of ankle joint were observed by HE staining. Results: Compared with the blank group, the paw edema, AI, and expression of MMP-3 in collage II model group and rheumatic fever model group was significantly higher, the expression of TIMP-1 were significantly lower, the articular surface of two groups was rough and damaged, and the articular cartilage was severely damaged. A large number of granulation tissues proliferated, accompanied by a large number of inflammatory cell infiltration and neovascularization. After treatment, compared with rheumatic fever model group, the paw edema, AI, and expression of MMP-3 in all treatment groups were reduced to varying degrees, in which the Qin-Fang group were lower most significant; The serum levels of TNF-α and IL-1β in all treatment groups were significantly decreased in varying degrees, especially in the Qin-Fang group; The expression of TIMP-1 was significantly increased in varying degrees, especially in the Qin-Fang group. HE staining results showed that the area of articular cartilage destruction and the degree of destruction were reduced, the inflammatory cells and neovascularization decreased, the number of repair fibers increased, and the scar tissue increased. Conclusion: For the rheumatic fever arthralgia RA, the combined effect of mild and cold Chinese materia medica (CMM) is better than the combined effect of mild and warm CMM, the combined effect of mild CMMs. Experimental results are consistent with the principles of traditional Chinese medicine clinical treatment of "treating the hot diseases should use the cold medicine", the mechanism of the compatibility drug relieving rheumatic fever arthralgia RA may be related to its ability, which can reduce the expression of MMP-3, increase the expression of TIMP-1, reduce articular cartilage destruction, and reduce inflammatory cell infiltration and vascular proliferation.

Antibodies, Monoclonal ; therapeutic use ; Antibodies, Monoclonal, Humanized ; Antineoplastic Agents ; therapeutic use ; Cadherins ; genetics ; metabolism ; Carcinoma, Papillary ; pathology ; Cetuximab ; Colorectal Neoplasms ; drug therapy ; genetics ; pathology ; Consensus ; Dissent and Disputes ; Drug Delivery Systems ; Epithelial-Mesenchymal Transition ; Gastrointestinal Neoplasms ; classification ; pathology ; Genes, ras ; Humans ; Mutation ; Neoplasm Invasiveness ; Neoplastic Syndromes, Hereditary ; genetics ; metabolism ; pathology ; Neuroendocrine Tumors ; classification ; pathology ; Precancerous Conditions ; pathology ; Stomach Neoplasms ; genetics ; metabolism ; pathology

Objective To identify the morphological characteristics of pelvic diaphragm hiatus in pregnant women with stress urinary incontinence ( SUI) by transperineal three-dimensional (3-D) ultrasound.Methods From Oct.2008 to Mar.2009,145 pregnant women (third trimester group) at 37-41 weeks of gestation underwent transperineal 3-D ultrasound investigation at Department of Obstetrics and Gynecology,the Sixth People's Hospital,Shanghai Jiaotong University,including 38 pregnant women with stress urinary incontinence (SUI) and the other 107 non SUI pregnant women.In the mean time,50 normal nulliparous healthy women were chosen as control group.The morphological characteristics of pelvic diaphragm hiatus,the diameter of pelvic diaphragm hiatus,pubovisceral muscle thickness and genitohiatal and levator ani angle were measured at rest,on maximum Valsalva and maximum pelvic floor contraction by 3-D ultrasound,respectively.Results Loosen connective tissue and pubococcygeus avulsion were observed in some pregnant women at third trimester.The area of pelvic diaphragm hiatus were (15.2 ±1.9),(16.4 ± 2.0) and (13.6±1.9) cm2,pubovisceral muscle thickness were (0.72 ±0.11),(0.68 ±0.14) and(0.77 ±0.11) cm,levator ani angle were (60 ±8) °,(57±10) ° and (64 ± 14)° at rest,on maximum Valsalva and maximum pelvic floor contraction respectively.These parameters were significantly increased than those in control group[(11.2 ±2.6),(14.5 ±4.5) and (9.2 ±2.6) cm2; (0.66 ±0.10),(0.67 ± 0.14) and (0.71 ±0.14) cm; (50 ±4) °,(51 ±5) ° and (46 ±5)°]at three maneuvers,respectively ( P <0.05).And those parameters of the anteroposterior hiatal diameter,lateral hiatal diameter,perimeter of pelvic diaphragm hiatus and area of pelvic diaphragm hiatus in SUI pregnant women were increased than those in non SUI pregnant women at three maneuvers,respectively (P < 0.05 ).Pubovisceral muscle thickness in SUI pregnant women was significantly lower than that in non SUI pregnant women at maximum pelvic floor contraction (P < 0.05 ),but there were not significant difference between SUI and non SUI pregnant women at rest and on maximum Valsalva in pubovisceral muscle thickness and genitohiatal and levator ani angle (P >0.05).Conclusions Pelvic floor anatomic remodeling is identified in late pregnant women.When compared with non pregnant women,the loosen pelvic floor connective tissue and the bigger diameters of pelvic diaphragm are observed in late pregnant women.It is observed that the increased diameters of pelvic diaphragm and decreased thickness of pubovisceral muscle in later pregnant SUI women than those in non SUI pregnant women.