Recent studies indicate that there are expressions of gastrin and its receptors in the tissue and cell line of colorectal cancer .Gastrin stimulates the proliferation of colorectal carcinoma as well as inhibits the apoptosis of colorectal carcinoma so as to promote the growth and invasion of colorectal carcinoma via a series of signal transduction pathways induced by its specific receptors. To inhibit the abnormally active signal transduction pathways that stimulate the proliferation of colorectal carcinoma will provide a new effective measure for the prevention and management of colorectal carcinoma.But the accurate signal transductions are not clear and need further research.

Objective To investigate the rehabilitation nursing interventions Disc stepped affect the degree of pain and function in patients with minimally invasive waist. Methods From January 2013 to February 2015, 152 cases accepted minimally invasive surgical treatment of lumbar disc patients in this study, were assigned into two groups by random number table and the control group of 76 patients in the control group received routine care, observation group to take a step rehabilitative intervention. 3 months follow-up were compared pain, Oswestry waist- lower extremity dysfunction score, Japanese Orthopedic Association (JOA) score back pain efficacy, quality of life. Results After one week, one month, the observation group pain scores were (2.01±0.68) points, (1.46±0.32) points which were significantly lower than (2.26±0.76) points, (1.87±0.45) points of the control group (t=2.137, 6.473, P<0.05);after 1 week, 1 month, 3 months when the observation group back-lower extremity dysfunction scores were (5.68 ± 0.74) points, (4.85 ± 0.65) points, (0.67 ± 0.21) points were significantly lower than (7.45 ± 0.86) points, (6.12 ± 0.72) points, (1.28±0.34) points of the control group (t=13.601, 11.324, 13.307, P<0.05), and JOA low back pain scores were (16.71 ± 2.85) points, (26.43 ± 6.32) points, (28.16 ± 2.83) points which were significantly higher than (14.46±2.12) points, (20.65±5.41) points, (25.43±2.65) points of the control group (t = 5.552, 6.057, 6.139, P<0.05). Followed up for 3 months observation group physiological function, bodily pain, general health, vitality, mental health scores were (65.36±7.12) points, (62.65±6.54) points, (72.36±7.24) points, (68.32±7.14) points, (68.36±7.25) points were significantly higher than (53.25±5.42) points, (53.45 ± 5.65) points, (60.65 ± 6.21) points, (60.54 ± 6.85) points, (60.35 ± 6.54) points of the control group (t=6.855-11.798, P<0.05). Conclusions The stepped rehabilitation nursing intervention can reduce the degree of pain minimally invasive lumbar disc herniation, promote postoperative recovery and improve quality of life.

Objective To explore the relationship between polymorphism of G-protein ?3 subunit (GNB3) gene and the emotion trait of chest stuffiness and pains patient. Methods The GNB3 gene type in 27 patients of depression of chest stuffiness and pains, 40 patients of no depression of chest stuffiness and pains, and 20 patients of healthy subjects (control) was determined by polymerase chain reaction and restriction fragment incision enzyme, and score of depression was evaluated. Result Occurrence of depression in chest stuffiness and pains was significantly higher than that in control (P

Objective To determine the ESBLs of Klebsiella pneumoniae and ESBL typing by molecular genetic procedures. Methods MIC test and ESBLs confirmation test were taken by agar dilution method in 80 strains of Klebsiella pneumoniae isolated in Beijing area from July 1999 to December 1999. To the 20 ESBLs positive conjugates isoelectric focusing was given. And nucleotide sequencing was analysed to conjugate strain CK23. Results 28 (35%) of the 80 strains of Klebsiella pneumoniae produced ESBLs. In the 28 strains, 20 were successfully done with conjugation of resistant plasmid. Isoelectric focusing results revealed that 13 (65%) of the 20 strains produced an ESBLs protein with a pI of 8.8 with or without additional pI 7.6 and pI 5.4. These ? lactamases were all inhibited by clavulanite acid. The strains with pI=8.8 protein were highly resistant to cefotaxime and ceftriaxone but were susceptible or intermediate to ceftazidime. We picked CK23 strain out from 13 conjugates for gene cloning by the primers designed for bla CTX M and nucleotide sequencing. The results showed that the ESBLs gene in CK23 was CTX M, highly similar to CTX M 3 but had 3 amino acids, which were Glu39Gly, Leu122Pro, Asp278His. Conclusions 28 (35%) of the 80 strains of Klebsiella pneumoniae produced ESBLs. Resistant plasmid successfully conjugated in 20 of the 28 ESBLs producing strains. 13 of the 20 (65%) conjugates pruduced a pI =8.8 ESBLs,which was CTX M ESBLs,with only 3 amino acids different from CTX M 3. This paper indicated that a type of CTX M ESBLs existed in Klebsiella pneumoniae in Beijing, which specifically confers resistance to cefotaxime.

0.05);After one month,thrombus could not be seen in the ovaries of all four groups.No injury could be seen in all kinds of cells in the four groups. Conclusion:Rabbit ovarian angiogenesis was not affected by low power ultrasound.

Researches have indicated that matrix metalloproteinases (MMP) and vascular endothelial growth factors (VEGF) play a key role in the metastasis of nasopharynx carcinoma (NPC). They promote tumor cell infiltration and metastasis by proteolysis of extracellular matrix proteolysis of tumor cells and induction of angiogenesis and lymphangioenesis. Researches on the mechanism of MMPs and VEGFs on NPC may help to further understand the metastasis of NPC and develop new methods for the diagnosis and treatment of NPC and other tumors as well.

Objective To construct a prokaryotic expression system of norovirus (NoⅤ) G Ⅱ-4 strain P protein (P particle and P dimer) and to explore its binding activity and patterns with HBGAs receptor.Methods P domain sequence of GZ121 NoⅤ ORF2 gene was cloned and its phylogenic tree was constructed to identify the gene cluster.The pGEX-4T-1-based expression plasmids were constructed respectively by inserting P domain gene fragments with hinge and P-CDCRGDCFC without hinge,and then transformed into BL21 to express fusion proteins,which was induced with 0.6 mmol/L IPTG at 22℃ overnight.P proteins were purified by thrombin cutting and characterized by FPLC.The binding patterns of NoⅤ P protein to HBGAs antigens were analyzed by EIA.Results P region gene of GZ121 belonged to genotype G Ⅱ.4/2004 cluster.SDS-PAGE analysis showed the relative molecular weight of P particle and P dimer was about 36×103,which was consistent with other reports.The peak appeared at 830×103 confirmed the formation of P particle by FPLC.The expression of P protein was further confirmed by Western blot.The EIA results showed that GZ121 P protein could bind to saliva of A-group,B-group and O-group secretors,but not to nonsecretor.The binding affinity of P particle was 80-100 times higher than that of P dimer.Compared with VA387 P particle,it showed stronger binding affinity to O-group,but weaker to A-group.Conclusion The NoⅤ GⅡ-4 GZ121 P proteins including P particle and P dimer were successfully expressed and HBGAs receptor binding assays were established.This pave the way for further studies on the evolution dynamics of NoⅤ G Ⅱ.4 strains and the development of NoⅤ vaccines.

Objective To explore the association between serum cartilage oligomeric matrix protein (COMe) levels and joint destruction in rheumatoid arthritis (RA) and inflammatory arthritis patients. Methods Serum level of COMP was measured with ELISA in 154 arthritis patients.The results of serum COMe were compared with clinical parameters and the modified SHARe scores after 2 years in RA patients. Results Serum COMP level of RA patients was higher than that of normal controls and patients with other forms of arthritis in which only synovial membrane was involved (P＜0.05).We found a significant difference between sCOMP in osteoarthritis (OA) and psoriatic arthritis (PSA) patients with normal controls ,but not with other forms of arthritis.There was no difference of sCOMP between RA,OA or PSA patients.We found a positive correlation between baseline sCOMP and deterioration of modified SHARP scores after 2 years (P＜ 0.001,r=0.848),but did not find correlation between the baseline sCOMP and the titer of anti-CCP,RF, grade of joint function and modified SHARP scores at baseline.We also found a significant correlation between sCOMP and ESR or CRP levels,duration of morning stiffness,joint swelling scores and tenderness scores re spoctively (P＜0.05).Conclusion Serum COMP level is elevated in arthritis patients whose joint cartilage is also involved,particularly in patients with RA.The results of this study indicate that serum COMe may be used as a diagnostic and prognostic marker for cartilage destruction in established RA patients.

Objective To observe the effect of psychological intervention on nosohemia patients during hematopoietic stem cell collection technique. Methods 44 perioperative nosohemia patients were assigned to experiment group and control group. The experiment group took a psychological intervention. Results Anxiety and depression in the experiment group improved better than in the control group (P<0.05) while there was no significant difference in anxiety and depression in the control group after psychological intervention (P>0.05). Conclusion Psychological intervention could effectively reduced the negative emotion of perioperative nosohemia patients during hematopoietic stem cells collection.