Pancreatic adenocarcinoma is one of the most highly malignant digestive system cancers,and current therapeutic strategies are often unsatisfactory.It is associated with a high mortality rate because of low resection rate,early metastasis,and poor chemoradiotherapy response.Identification and development of more efficacious therapies is urgently needed.The basic research promoted the development of immunotherapy for pancreatic cancer,and immunotherapy offered encouraging results in some preclinical trials during the last decade.The aim of this review is to summarize the recent advances in immunotherapy and to evaluate the future perspectives of immunotherapy in the treatment of pancreatic adenocarcinoma.

Objective To evaluate the diagnostic approaches and influencing factors of prognosis after repeated hepatectomy for recurrent liver cancer. Methods Fifty seven cases of recurrent liver cancer underwent surgical resection. The disease free survival, cumulative survival and possible influencing factors of prognosis were studied. Results The 1-, 3-, 5- and 10-year disease free survival rates after first resection were 63.9%, 38.3%, 26.6% and 12.8%, respectively. The 1-, 3-, 5- and 10-year survival rates of resection for recurrent liver cancer were 56.6%, 37.7%, 31.9% and 16.2% and the 1-, 3-, 5- and 10-year cumulative survival rates were 82.1%, 60.85, 47.6% and 19.5%, respectively. The influencing factors of prognosis after repeated hepatectomy for recurrent liver cancer size, number of nodules, tumor-free duration and weather when the patients underwent curative resection. Conclusions For early detection of recurrent liver cancer, AFP test, sonography each month and computed tomography every 3 months should be conducted for patients after the first hepatectomy. For the recurrent liver cancer, surgical resection is an effective treating measure when it is possible. The influencing factors of prognosis after repeated hepatectomy for recurrent liver cancer are tumor size, number of nodules, tumor-free duration, tumor capsule and manner of repeated hepatectomy.

In order to evaluate the relationship between MDR of ovarian cancer and expression of neutral glycosphingolipids(N-GSLs) in ovarian cancer cell lines, the effects of TAM and VRP on the growth of COC1/DDP were assayed by MTT method. N-GSLs of the cells were isolated and purified with the modified Hakamoris method and analysed by HPTLC. The results showed that the expression of N-GSLs was different between parent cell lines and resistant cell sublines, the level of CMH was higher in COC1/DDP than in COC1. TAM and VRP could render multidrug-resistant cells sensitive to chemotherapy, while the level of CMH concomitantly was sharply decreased. It suggested that the expression of N-GSLs is associated with MDR of ovarian cancer, and CMH may be a kind of MDR related glycolipids in ovarian cancer.

Objective To explore the differential diagnosis among lacunas, demyelination and perivessel space in the aging brain. Methods T1 and T2 weighted image for 100 aging brains were analyzed retrospectively. All examinations were performed using GE 1.5 T scanner. Results In 100 subjects, 61 had multiloci of infarction and constituted a total of 110 loci. They located at pontine(17), cerebellum(14), lentiform nucleus(24), internal capsal(10), thalamus(12), periventricular and head of caudate nucleus (26), semioval centrum (7). They were round, elliptic, triangle, curve and irregular in shape, respectively. Ninety-five patients had 125 countable perivessel spaces. They located at ganglia (84) and semioval centrum (41). Demyelination was seen in 71 subjects and involved pontine and semioval centrum. Conclusions Most of lacuna, demyelination and perivessel space is distinguishable based on their signal, shape and location.

Based on the teaching practice of BME in higher Medical University for years,this article expounded the features,the teaching intension,the moving mechanism,etc.It is expected taht this article will improve the development greatly of BME in higher Medical University.

Background and purpose: With characteristic but non-specific features, subsolid pulmonary nodules (SSPN) is closely associated with early lung cancer. This study aimed to estimate the imaging value of SSPN in stageⅠA lung cancer, and summarized the radiological features of various SSPNs, retrospectively. Methods:The clinical data and imaging data of 405 patients with solitary pulmonary nodules (SPNs) from Apr. 2008 to Apr. 2014 at Fudan University Shanghai Cancer Center were collected. According to ground-glass opacity (GGO) proportion, SPNs were divided into 3 groups:pure ground-glass opacity (pGGO), mixed ground-glass opacity (mGGO) and solid nodule (SN). The malignant ratios were calculated based on the postoperatively pathological results. Besides, SSPNs were classiifed into stageⅠA lung cancer group and benign lesions group aiming at identifying the differentiating computed tomography (CT) features. Results:Of the enrolled 405 SPN patients, there were 367 SSPNs (including 124 pGGOs and 243 mGGOs) whose incidence in stageⅠA lung cancer group was signiifcantly higher than those in benign group [95.9%(257/268) vs 80.3%(110/137), P<0.001]. The total malignant ratio of SSPN was 70.0%(257/367), mGGO had a higher malignant ratio (72.0%) than those of pGGO (66.1%) and SN (28.9%). The malignant SSPNs were frequently detected in upper lobe of middle-aged women with a higher incidence of irregular edge, spiculation, lobulation and pleural retraction than benign group (P<0.05). Conclusion:SSPN is one of the signiifcantly malignant indicators, and mGGO has the highest malignant tendency. Senility, female, irregular edge, spiculation, lobulation, pleural retraction and pulmonary upper lobe distribution are demonstrated the signiifcant discriminators from benign lesions.

BACKGROUND:Active components of Astragalus have an antioxidant effect, which is considered to result in the neuron-like differentiation of bone marrow mesenchymal stem cels. OBJECTIVE:To investigate the effect of astragalus polysaccharides combined with basic fibroblast growth factor to induce the differentiation of bone marrow mesenchymal stem cels into nerve cels. METHODS:After 24 hours of pretreatment with basic fibroblast growth factor, passage 3 human bone marrow mesenchymal stem cels were cultured with astragalus polysaccharides for 1-3 days (combined group). Blank control group and basic fibroblast growth factor group were set up. Expression of neuron-specific enolase and nestin was detected using western blot or immunocytochemical staining. RESULTS AND CONCLUSION:The expression of neuron-specific enolase was higher in the combined group than the basic fibroblast growth factor group (P < 0.05). Expression of nestin was found in both basic fibroblast growth factor group and combined group, but the gray value was higher in the combined group than the basic fibroblast growth factor group (P < 0.05). These findings indicate that astragalus polysaccharides combined with basic fibroblast growth factor is better to induce the neuronal differentiation of bone marrow mesenchymal stem cels.

OBJECTIVE:To provide reference for drug consultation of Chinese patent medicine(CPM)in pregnancy. METH-ODS:Package inserts of CPM in our hospital during Jan.-Jun. 2016 were collected. Referring to the prohibited,contraindicated and caution materials and decoction pieces in Chinese Pharmacopoeia(part 1,2015 edition),based onnoteitem in Chinese Pharma-copoeia and Clinical Application Guidelines(2010 edition),problems existing in pregnancy contraindication labeling of package in-serts were compared and analyzed. RESULTS:There were 99 kinds of prohibited,contraindicated and caution materials and decoc-tion pieces in Chinese Pharmacopoeia. There were 210 package inserts of CPM except for the special medicine for children,in which 32 contained prohibited materials,61 contained caution materials,only 21 were in line with the contained materials. Among the package inserts of 93 CPM containing prohibited or caution materials,27 were included in Chinese Pharmacopoeia,13 in Clini-cal Application Guidelines only,17 in both,but only 6 had the same contraindication labeling. Among the package inserts of 32 CPM containing prohibited materials,6 were explicitly labeled prohibited,17 labeled contraindicated or caution,and 9 labeled none. Among the package inserts of 61 CPM containing caution materials,29 were labeled prohibited or contraindicated,15 la-beled caution,and 17 labeled none. Among the package inserts of 117 CPM containing no prohibited,contraindicated or caution materials,8 were labeled contraindicated in pregnancy,and 18 labeled prohibited in pregnancy. CONCLUSIONS:The pregnancy contraindications of most CPM are not normative,showing poor consistency with Chinese Pharmacopoeia or Clinical Application Guidelines. Except for providing drug consultation by complying with Chinese Pharmacopoeia,Clinical Application Guidelines and package insert,pharmacists can judge the CPM without labeled pregnancy contraindication by analyzing its classification of con-tained materials. Using TCM does not indicate safety drug use,in addition,some CPM contain western medicine ingredients. There-fore,pharmacists should conduct medication education for patients who used CPM in pregnancy. Considering the new and severe adverse reactions of TCM injections are more,its adverse reactions exist unpredictability,so that pregnant patients should be sug-gested to avoid using TCM injections by pharmacists.

Objective To evaluate the influence of cytochrome P450 (CYP2C9 and CYP4F2) polymorphisms on anticoagulant intensity of warfarin after cardiac valve replacement.Methods A total of 136 patients tak ing warfarin after cardiac valve replacement were identified and classified into 4 groups:CYP2C9 wild type group (CYP2C9*1*1),CYP2C9 mutated type group (CYP2C9*3),CYP4F2 rs2108622 wild type group (CC) and CYP4F2 rs2108622 mutated type group (CT or TT).The patients' baseline data,initial dose of warfarin and base INR measurement resuhs were recorded and then the follow-up was conducted.The initial administration of warfarin to INR standard time for the first time,total amount of warfarin and the average daily amount were recorded.Results Patients carrying CYP2C9* 1* 1 had increased time to reach INR target value for the first time (P ＜ 0.05);and the total warfarin doses and average daily dose when INR reached target value were higher than those carrying CYP2C9*3 (P ＜ 0.05).When compared with those in two wild type groups,patients carrying CYP2C9 and CYP4F2 rs2108622 mutated type needed the shortest time when INR reached target value for the first time,and the total warfarin doses and average daily dose when INR first reached target value was the lowest,which showed significant difference (P ＜ 0.05).And when compared with CYP2C9 mutated type group,the INR average time to reach the first target was shortened and the total warfarin dose of patients carrying CYP2C9 and CYP4F2 rs2108622 mutated type was lower (P ＜ 0.05).Conclusion The gene polymorphisms of CYP2C9 and CYP4F2 are significant hereditary factors influencing warfarin dose.Detection of CYP2C9 and CYP4F2 genotypes prior to medication and predicating warfarin dosage may result in lower incidence of over-anticoagulation and reduce the dosage-adjusting time of warfarin.

Aim To assess the regulatory effects of Po-lygonatum sibiricum polysaccharides(PSP)on Toll-like receptor 4 (TLR4 )-myeloid differentiation factor 88 (MyD88)-nuclear factor κB(NF-κB)signaling path-way in anoxia /reoxygenation-H9c2 myocardial cells. Methods The H9c2 myocardial cells cultured in vitro were randomly divided into groups:control group (C group),hypoxia /reoxygenation group (H/R group), PSP group,TLR4 inhibitor group(TAK-242 group)and PSP +TLR4 inhibitor group(PSP +TAK-242 group). The cells were cultured in normal condition for 27 h in C group.The cells were subjected to 21 h hypoxia fol-lowed by 6 h reoxygenation in H/R.Definitely,the cells in TAK-242,PSP and PSP +TAK-242 groups were treated with PSP and TAK-242 with the final con-centration of 1 .5 g·L -1 and 1 μmol·L -1 for 1 2 h before 21 h hypoxia,then the cells were exposed to the normal culture condition for another 6 h.After the treatment,cell survival rate was tested by MTT method. The contents of tumor necrosis factor-α(TNF-α)and interleukin-1 β(IL-1 β)were determined by enzyme-linked immunosorbent assay(ELISA).The protein ex-pression levels of NF-κB and inhibitor κBα(IκBα) were detected by Western blot,and the expression lev-els of TLR4 and MyD88 mRNA were detected by fluo-rescence quantitative PCR method.Results Compared with H/R group,the cell survival rates were significant-ly increased,while the inflammatory cytokines contents and NF-κB protein expression were dramatically de-creased in groups PSP,TAK-242 and PSP +TAK-242, whereas the NF-κB expression was significantly down-regulated,and the IκBα protein expression was in-creased.The mRNA expression levels of TLR4 and MyD88 were markedly decreased.Conclusion PSP might protect H9c2 myocardial cells against H/R inju-ry,which may be associated with the inhibition of TLR4-MyD88-NF-κB pathway.