1.Clinical Value of Serum Pepsinogen and Gastrin-1 7 Levels in Patients with Atrophic Gastritis and Gastric Cancer
Jianhua YANG ; Binghua WANG ; Yong LIN
Journal of Modern Laboratory Medicine 2016;31(3):51-54
Objective To investigate the clinical value of serum pepsinogen(PG)Ⅰ,Ⅱ and gastrin-17(G-17)levels in early di-agnosis for atrophic gastritis and gastric cancer.Methods The study was performed on a case-control trial,and 430 subjects were recruited.Each of them underwent endoscopy biopsies before serum tests were performed.These patients were further divided into three groups based on endoscopic and histological findings:160 non-atrophic gastritis group,118 atrophic gastri-tis group and 152 gastric cancer group.Serum samples of PGⅠ,PGⅡ and G-17 were analyzed by enzyme-linked immunosor-bent assay(ELSIA),and calculated the values of PGⅠ/PGⅡratio.Results Compared with the non-atrophic gastritis group, serum PGⅠ and G-1 7 values in atrophic gastritis and serum PGⅠ,PGⅡ,PGⅠ/PGⅡratio and G-1 7 values in gastric cancer group decreased significantly (P<0.05);compared with the atrophic gastritis group,serum PGⅠ and G-17 values in gastric cancer group decreased significantly (P<0.05).By using receiver operating characteristic curves (ROC),the cut-off points of PGⅠ84.706μg/L,PGⅡ 10.873μg/L,PGⅠ/PGⅡ ratio 11.008 and G-178.265 pg/L in atrophic gastritis group,PGⅠ65.145μg/L,PGⅡ 10.089μg/L,PGⅠ/PGⅡ ratio 6.375 and G-17 4.971 pg/L in gastric cancer group.Conclusion Low serum PGⅠ,PGⅡ,PGⅠ/PGⅡ ratio and G-1 7 values are biomarkers of atrophic gastritis and gastric cancer and valuable for the early diagnosis of gastric cancer.
2.Hidden Horizontal Tears of the Posterior Horn of the Medial Meniscus:a Report of 14 Cases
Yong ZHANG ; Mingsheng ZHU ; Lin YANG
Chinese Journal of Minimally Invasive Surgery 2015;(11):1034-1037
Objective To investigate the clinical features of hidden horizontal tears of the posterior horn of the medial meniscus and clinical efficacy of arthroscopic partical meniscectomy. Methods A total of 14 cases of hidden horizontal tears of posterior horn of the medial meniscus from May 2011 to May 2013 were enrolled.The knee arthroscopy was carried out through anteromedial and anterolateral approaches.The lesion of tears was exposed after the inner edge of posterior horn of the meniscus was bitten away.The bottom of the posterior horn of meniscus was found instable during the operation, which was then removed to conduct a partial meniscectomy.Afterwards the arthroscopic meniscus plasty of the posterior horn was performed. Results Arthroscopic photographs showed normal appearance in 6 cases and tears underside meniscus in 8 cases, all of which were confirmed to be horizontal medial meniscus posterior horn tear during operation.The mean time of operation was 32 min (range, 26-40 min), and the mean hospitalization time was 6 days ( range, 3-8 d) .There was no complications, such as infections or stiffnesses.All the patients were followed up for 2 -3 years.Subjective symptoms improved significantly after arthroscopic partial meniscectomy.According to the Lysholm knee scoring scale, the scores were (71.1 ±6.6) points preoperatively and (92.0 ±3.4) points postoperatively, with significant difference (t=10.530, P=0.000). Conclusion Diagnosis of hidden horizontal tears of the medial meniscus posterior horn is often difficult, because most patients have osteoarthritic knees.Careful physical examination and MRI are critical for making a correct diagnosis.Arthroscopic partial meniscectomy can help patients obtain better results.
3.Study on Preparation Technology of Repaglinide and Metformin Hydrochloride Tablets
China Pharmacist 2015;(3):493-496
Objective:To design and prepare repaglinide and metformin hydrochloride tablets for pilot scale test and industrial pro-duction. Methods:Dissolution was applied to optimize the formula and preparation process. Results: The tablets were prepared ac-cording to the determined formula and process with poloxamer 188, meglumine, PVP K30, croscarmellose sodium, microcrystalline cellulose PH101, sorbitol, magnesium stearate and coating powder as the adjuvants. The dissolution behavior of the tablets in four media was similar to that of the reference. Conclusion:The preparation process of repaglinide and metformin hydrochloride tablets is simple and feasible, and the quality is controllable and stable.
5.Effect of Aurora kinase inhibitors VX-680 on proliferation of undifferentiated thyroid carcinoma cell
Hada HEYUAN ; Lin CHEN ; Yong YANG ; Hongxin YANG
The Journal of Practical Medicine 2016;32(17):2791-2794
Objective To investigate the effect of Aurora-A kinase inhibitors VX-680 on the proliferation of thyroid carcinoma cell and to study their molecular mechanism. Methods The undifferentiated thyroid carcinoma cells were divided into groups of VX-680 with different drug concentration. Drug effect was observed by MTT method to measure the changes of cell proliferation. The gene expression of Aurora-A , Bcl-2 and Bax were tested by immunofluorescence assay. Results MTT results showed cell proliferation had been suppressed obviously with the of concentration increase of drug and the duration of administration (P < 0.05). The immunofluorescence results of 48 h showed Aurora-A and Bcl-2 protein expression of 400 nmoL were lower than those of other groups (P < 0.05), and Bax protein expression was similar to that of other groups(P > 0.05). Conclusions Aurora-A and Bcl-2 protein expression of thyroid cancer are inhibited when VX-680 being used , at the same time , Bcl-2/Bax scale value loses balance to accelerate forming Bax/Bax homodimer. Thus cancer cell proliferation is blocked and cell apoptosis is induced. So VX-680 is a good target inhibitor for anaplasia thyroid cancer.
6.Loss of heterozygosity of microsatellite DNA on 6q in bladder tumor
Fan CHENG ; Yong-lie CHU ; Da-lin HE ; Lin YANG ; Ping CHEN ; E YANG ; Xiang LIU
Chinese Journal of Rehabilitation Theory and Practice 2004;10(5):279-280
ObjectiveTo investigate the loss of heterozygosity (LOH) on 6q in bladder tumor.MethodsD6S404 and D6434 microsatellite markers near 6q21 were tested by PCR-SSLP-stain method on tumor DNA from 31 cases of bladder tumor.ResultsAmong these 31 cases of bladder tumor,LOH was detected in tumor tissues on site for D6S404 (35.5%) and D6S434(22.6%).ConclusionOne or more tumor suppressor gene near 6q21 maybe relevant for the development of bladder tumor.
7.Mutation analysis of the SERPINB7 gene in two patients with Nagashima-type palmoplantar keratoderma
Lina DUO ; Huijun WANG ; Zhimiao LIN ; Yong YANG
Chinese Journal of Dermatology 2016;(3):180-182
Objective To report two cases of Nagashima-type palmoplantar keratoderma(NPPK), and to identify mutations in the SERPINB7 gene. Methods Clinical data were collected from two patients with NPPK and their parents, and peripheral blood samples were obtained from the two patients, their parents and 200 unrelated healthy controls. Genomic DNA was extracted from these blood samples. PCR was performed to amplify 8 exons and their flanking sequences of the SERPINB7 gene followed by DNA sequencing. Results A homozygous mutation (c.796C > T), which led to the formation of a premature termination codon at amino acid position 266 (p.R266*), was identified in both of the two patients. However, the patients′ healthy parents were heterozygous carriers of the mutation(c.796C > T). No mutation was found in the unrelated healthy controls. Conclusion The mutation c.796C > T in the SERPINB7 gene may be responsible for NPPK in the two patients.
8.Influence of bifidobacterium on NF-?B and I?B in murine peritoneal macrophages
Lin YANG ; Lisheng WANG ; Yong SUN ; Zhongsheng ZHU ; Dianyuan ZHOU
Chinese Journal of Pathophysiology 1989;0(05):-
AIM: To explore the regulatory effect of bifidobacteria adolescence on NF-?B in murine peritoneal macrophages(PMs).METHODS: Macrophages were collected and were divided into tow groups,normal control group and bifidobacterium stimulation groups.The cells were fixed at 60 min after stimulated with bifidobacterium at 10~6,10~7, 10~8 and 10~9 cells/L,or fixed respectively at 15,30,60,120 and 180 min after stimulated with bifidobacterium at 10~8 cells/L,then the total protein and nucleoprotein were extracted.The activities of NF-?B and I?B? were measured with the methods of MSA and Western blotting.RESULTS: NF-?B activity markedly increased and reached the peak at 0.5 h after stimulation,while I?B? markedly decreased at same time.CONCLUSION: NF-?B activity is markedly activated by bifidobacterium.NF-?B pathway participates in the regulation of peritoneal macrophage in this process.
10.Clinical characters of elderly patients with ulcerative colitis in Shenyang district
Yan LIN ; Jiaying YANG ; Yong CAO ; Changqing ZHENG
Clinical Medicine of China 2014;30(1):33-35
Objective To investigate the clinical characteristics between elderly and non-elderly patients with ulcerative colitis (UC) in order to provide the base for diagnosis and management of the disease.Methods Two hundred and four patients with UC admitted to Shengjing Hospital from January 2009 to December 2011 were enrolled in this study.The patients were divided into elderly group (≥60 years of age) and non-elderly group(< 60 years of age).The clinical manifestation,laboratory examination indices and endoscopic feature were recorded and analyzed.Results Among the 204 cases with UC,33 (16.2%,33/204) were elderly patients,and 171 (83.8%,171/204) were non-elderly patients.Onset peak of U C was ranged from 30-39 years old.There was no significant difference in terms of other indices of clinical presentations,extraintestinal manifestations,complications,clinical and endoscopic score between two groups.The rate of abdominal distension,constipation,difficult defecation,alteration of intestinal flora,hypokalemia and hypoproteinemia in elderly group were 36.4%,9.1%,6.1%,66.7%,45.5%,36.4% respectively,higher than that in in nonelderly group (14.6%,1.2%,0.6%,48.0%,14.0%,20.5% respectively),and there was significant differences between groups (x2 =8.808,7.260,5.724,3.876,17.660 and 3.942 respectively,P < 0.05).Endoscopic examination revealed that the colonic lesion parts in elderly patients was limited in left-side colon and protosigmoid,which was different from that of no-elderly group (P =0.044).Conclusion The elderly patients showed a similar clinical manifestation with non-elderly patients.However,the colonic lesion parts in elder group was limited to left-side colon and protosigmoid.They also had the higher rate of hypoproteinemia,hypokalemia and alteration of intestinal flora,which needed to pay more attention.