During the last forty years, although cytotoxic chemotherapy for gastric cancer patients has improved to some extent, its therapeutic effect is limited. Simultaneously, great progression of oncobiology to increase our understanding of the molecular basis of gastric cancer has been made. Currently the cancer cell has been characterized by several genetic changes that lead to altered cellular functions. In addition, multiple cancer-cell environment factors affect the tumor cell via various receptors and subsequent signaling pathways. The increasing knowledge of cellular signaling offers the opportunity to develop novel substances that target specific pathway molecules.

Objective To understand the epidemiological features of epidemic cerebrospinal meningitis in Quzhou City,and to provide scientific evidence for formulation of relevant prevention and control measures.Methods The descriptive epidemiological method was applied to the analysis of the epidemiological features of epidemic cerebrospinal meningitis in Quzhou city from 1950 to 2006.Results The epidemic cerebrospinal meningitis reported a total of 30 294 cases including 1 455 deaths.The incidence rate of epidemic cerebrospinal meningitis was 28.11/100 000 on average per year,and the fatality rate of epidemic cerebrospinal meningitis was 4.80%.There were cases reported all-year with a higher occurrence in winter and spring and the highest occurrence in March accounting for 42.85% of the total of cases.The cases were mainly in children under 15 years concentrating on those living scatteredly or in nursery,who accounted for 36.60% of the total of cases.Conclusions It is necessary to enhance surveillance and the forecast of epidemic cerebrospinal meningitis,and concerning the change in the epidemic virus groups,to ensure routine preventive vaccination.It is signficant to control the occurrences and epidemics of epidemic cerebrospinal meningitis.

Objce tive To investgate the morphological monoclonal combined with SEMA 3B for detection of the tumorigenic components in gastric cancer .Methods Clones derived from gastric cancer SGC -7901 cells were assessed by morphological observation ,the clone formation rate was calculated .The expression of SEMA3B was detected by Western blot ,and the tumorigenic ability of each group was determined .Results Clones derived from GC SGC-7901 cells had three types,the total clone formation rate was(10.20 ±1.07)%,the expression of SEMA3B was the strongest in the Holoclone colonies ,SGC-7901 cells of Holoclone clones possessed strong abil-ity of self-renewal and in vivo tumorigenicity in the nude mice .Conclusion This study provides the experimen-tal basis for exploring the effect of SEMA 3B in gastric carcinoma tumor formation and proliferation .

AIM: To investigate the mRNA changes of L-type Ca~(2+) channel ?_(1C) subunit (CaL-?_(1C)) and Na~+-Ca~(2+) exchanger (NCX) in the atria of renovascular hypertensive rats. METHODS: Two-kidney one-clip Goldblatt hypertensive Sprague-Dawley rats were divided into three groups 1 week after operation, HD group was treated with 250 mg/d diltiazem, LD group was treated with 50 mg/d diltiazem, control group (C group) was treated with vehicle. After 4 weeks treatment, semiquantitative RT-PCR was used to estimate the mRNA changes of CaL-?_(1C) and NCX, and GAPDH was used as internal control. RESULTS: Systolic blood pressure in LD group was comparable with C group, and that in HD group was decreased to normal level after diltiazem treatment. In C group, CaL-?_(1C) mRNA level were 2.5, 2.4 and 2.1 times of S, HD and LD group, and NCX mRNA level were 1.9, 1.6 and 2.1 times of S, HD and LD group. There were no significant difference in the mRNA level of CaL-?_(1C) and NCX among S, HD and LD group. CONCLUSION: The mRNA levels of CaL-?_(1C) and NCX are upregulated in the atria of hypertensive rats. Ca~(2+) antagonist inhibits their upregulation independent of blood pressure.

Objective:To investigate the effects of Resina Draconis on the levels of plasma glucose,insulin and lipids in normal and diabetic rats. Methods: Hyperglycemia rat models were induced by glucose or adrenaline and rat models with diabetes mellitus were induced by alloxan.The levels of plasma glucose, insulin and lipids (triglyceride, total cholesterol and HDL-C) were determined. Results: Resina Draconis had no obvious effects in decreasing the plasma sugar level in normal fasted rats but could decrease the plasma sugar level and improve the glucose-resistance in glucose-induced or adrenaline-induced hyperglycemic rats and alloxan-induced fasted diabetic rats and increase insulin secretion in both normal and diabetic rats. It could also decrease the plasma lipid level in alloxan-induced diabetic rats. Conclusion: Resina Draconise exerts a good therapeutic effect on hyperglycemia in diabetic rats and its mechanism may be related to the increase of the secretion of insulin.

AIM: To investigate the effects of Tangmoning (TMN) Granule on nerve conduction velocity, red blood cell sorbitol (RBC S) level in diabetic rats and probe the mechanism of prevention and treatment of diabetic peripheral neuropathy. METHODS: The model of diabetic rat was induced by strepotozotocin. The animals were randomly divided into six groups:TMN minimal dose group, TMN mild moderate dose group, TMN maximal dose group, methycobal group, model group and normal control group. All TMN groups were treated with TMN Granule through tube feeding (2.95 g/kg、5.90g/kg、11.80g/kg). Methycobal group was treated with methycobal tablets through tube feeding (0.14mg/kg). The duration of treatment was 3 weeks. The caudal nerve conduction velocity, RBC S content were investigated before and after treatment. RESULTS: It showed that TMN Granule could increase the caudal nerve conduction velocity significantly in the maximal dose group and the mild moderate dose gorup ( P

Objective:To explore the influence of blood transfusion on cellular immunofunction in patient with laryngeal carcinoma.Method:EPICS-XL flow cytometry was used to measure T cell subgroup,NK cell and CD28 in 36 patients with laryngeal carcinoma pre-operation and 2 weeks post-operation.Patients were divided into allotransfusion group and non-transfusion group.Comparison was conducted between the 2 groups.Result:①Comparsion with normal population,decreasing of CD3,CD4,NK cell and CD28 in the 36 patients pre-operation was statistically significant (P＜0.01).②Decreasing of CD3,CD4,NK cell and CD28 was statistically signficant post-operation(P＜0.05).③In the non-transfusion group change of CD3,CD4,CD8,NK cell and CD28 post-operation was statistically insignificant (P＞0.05).Conclusion:While cellular immunofunction is generally low in patients with laryngeal carcinoma,allotransfusion will reduce further.It makes contribution to spreading and metastasis of carcinoma easier.

Objective: To analyze the epidemiological characteristics of pulmonary tuberculosis cases at ages of 60 years and older in Quzhou City, Zhejiang Province, so as to provide the evidence for formulating the pulmonary tuberculosis control strategy among the elderly. Methods: The data pertaining to pulmonary tuberculosis cases at ages of 60 years and older in Quzhou City from 2010 to 2020 were collected through the Tuberculosis Management Information System of the China Disease Prevention and Control Information System. The trends for incidence, population distribution, diagnosis and treatment of pulmonary tuberculosis cases aged 60 years and older were analyzed using a descriptive epidemiological method. Results: Totally 8 754 pulmonary tuberculosis cases aged 60 years and older were reported in Quzhou City from 2010 to 2020, accounting for 47.65% of all pulmonary tuberculosis cases, and the number of pulmonary tuberculosis appeared a tendency towards a rise ( χ2trend=173.320, P<0.001 ), while the incidence of pulmonary tuberculosis showed a tendency towards a decline ( χ2trend=389.820, P<0.001 ), with an annual decline rate of 177.11/105. There were 4 307 smear-positive pulmonary tuberculosis cases, accounting for 58.71% of all smear-positive cases, and the number of smear-positive pulmonary tuberculosis cases showed a tendency towards a rise ( χ2trend=126.320, P<0.001 ), while the proportion of smear-positive cases showed a tendency towards a decline ( χ2trend=21.680, P<0.001 ), with an annual smear-positive rate of 87.14/105. The incidence of pulmonary tuberculosis was 256.94/105 among males and 91.43/105 among females at ages of 60 years and older ( χ2=20.903, P<0.001 ). The highest incidence of pulmonary tuberculosis was seen in patients aged 80 to 84 years ( 235.17/105 ), and farmers were the predominant occupation ( 7 171 cases, 81.92% ), while the highest number of cases was reported in Quzhou City (8 676 cases, 99.11%). There were 7 752 treatment-naïve cases ( 88.55% ), while 5 830 cases with delay in seeking healthcare services, and the proportion of delay in seeking healthcare services showed a tendency towards a rise from 2010 to 2020 ( χ2trend=4.853, P=0.028 ), with an annual mean delay rate of was 66.60%. Conclusion The incidence of pulmonary tuberculosis appeared a tendency towards a decline among patients aged 60 years and older in Quzhou City from 2010 to 2020, and the elderly aged 80 years and older and farmers should be paid more attention.

Objective To detect circumsporozoite protein (CSP) in anopheline vectors from south Yunnan and to evaluate ELISA in the detection. \ Methods\ Salivary glands of the anopheline mosquitoes were taken for finding sporozoites by microscopy and part of the glands was used for detecting CSP by ELISA. An. minimus was experimentally infected by blood from vivax malaria patient (with Plasmodium vivax) and examined for sporozoites and CSP. Eight species of anopheline mosquitoes were caught in the field and examined. Monoclonal antibodies to P.falciparum (Pf2A10) and P.vivax (Pv210, Pv247) were used in ELISA for detecting CSP. \ Results\ Sporozoites were found in the salivary glands of 27 out of 36 An. minimus experimentally infected (75\^0%), 29 were ELISA CSP positives (80\^6%), and 26 of the 27 mosquitoes showed Pv210 CSP positive. Among \{1 010\} parous anopheline mosquitoes from the field, 7 were found sporozoite positive (0\^69%), 8 were ELISA CSP positive (0\^79%), and 6 of the 7 mosquitoes showed CSP positive. Of \{4 675\} wild mosquitoes in 8 anopheline species with different ages, 11 were found CSP positive (0\^24%) including An.minimus, An.sinensis and An.maculatus with a positive rate of 0\^20%, 0\^24% and 0\^39% respectively.Among the 11 mosquitoes, 9 were Pv210 positive and 2 were Pf2A10 positive. Conclusion CSP detection by ELISA is a useful method to monitor the malaria transmission capacity of anopheline vectors.

Objective To study the differences of clinical and histopathologic features between ischemic colitis (IC) and ulcerative colitis (UC), which can make for the differential diagnosis and treatments. Methods Comparative analysis were focused on the clinical and histopathologic data of IC patients (20 cases) and UC patients (30 eases). Results The onset duration of IC [(5±7) d] was significantly shorter than that of UC [(953±1354) d]. IC patients tended to have history of cadiovascular diseases or abdominal surgery (65%). The typical clinical manifestations of IC were sudden onset of abdominal pain (85%), hematochezia (60%)and diarrhea (50%), but UC usually presented with abdominal pain (83%), diarrhea (63%), bloody mucopurulent stool (57%) and tenesmus (20%). Colonoscopy showed longitudinal ulceration (60%)on the mesenteric side, the segmental lesions usually involved only 1/4-1/2 of the perimeter of the lumen (80%), and the boundary of lesions was clear (75%) in IC patients. On the contrary, the ulcer of UC was usually map-like (43%), the lesions usually involved the entire lumen (90%), and the pseudopolyp (37%) was another colonoscopic feature of UC. The histopathologic study revealed that dilation and hyperaemia of vessels (90%) were common in IC. Severe edema of mucosa (95%) was usually presented in IC, and the thickened vascular wall (50%) was the histopathologic characteristic of IC.Crypt abscesses (47%) usually appeared in UC. Conclusions The histopathologic characteristics and differences of colonoscopic findings and clinical features provide strong bases for the differentialdiagnosis between IC and UC.