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Therapeutic Regimens and Prognostic Factors of Brain Metastatic Cancers
Song, Wen-Guang,Wang, Yi-Feng,Wang, Rui-Lin,Qu, Yin-E,Zhang, Zhi,Li, Guo-Zhong,Xiao, Ying,Fang, Fang,Chen, Hong Asian Pacific Journal of Cancer Prevention 2013 Asian Pacific journal of cancer prevention Vol.14 No.2
Objective: This work aims to investigate the therapeutic regimen of brain metastatic cancers and the relationship between clinical features and prognosis. Methods: Clinical data of 184 patients with brain metastatic cancers were collected and analysed for the relationship between survival time and age, gender, primary diseases, quantity of brain metastatic foci, their position, extra cranial lesions, and therapeutic regimens. Results: The average age of onset was 59.1 years old. The median survival time (MST) was 15.0 months, and the patients with breast cancer as the primary disease had the longest survival time. Females had a longer survival time than males. Patients with meningeal metastasis had extremely short survival time. Those with less than 3 brain metastatic foci survived longer than patients with more than 3. The MST of patients receiving radiotherapy only and the patients receiving chemotherapy only were all 10.0 months while the MST of patients receiving combination therapy was 16.0 months. Multiple COX regression analysis demonstrated that gender, primary diseases, and quantity of brain metastatic foci were independent prognostic factors for brain metastatic cancers. Conclusions: Chemotherapy is as important as radiotherapy in the treatment of brain metastatic cancer. Combination therapy is the best treatment mode. Male gender, brain metastatic cancers originating in the gastrointestinal tract, more than 3 metastatic foci, and involvement of meninges indicate a worse prognosis.
Yun-liangWang,Yan-hong Chen,Chen-chen Xia,Xue-qin Xia,Rui-song Tao,Jia-sheng Hao 한국응용곤충학회 2015 Journal of Asia-Pacific Entomology Vol.18 No.2
The complete mitochondrial genome of Parnassius epaphus (Lepidoptera: Papilionidae: Parnassiinae) was 15, 458 bp in length, harboring typical 13 protein-coding genes (PCGs), 22 transferRNA genes (tRNAs), two ribosomal RNA genes (rRNAs) and a non-coding control region (AT-rich region), with an 81.4% A + T content. The gene orientation and arrangement are the same as those of other sequenced lepidopterans. All PCGs startwith the typical ATN codon, with the exception of the COI gene that utilizes CGA as its initial codon. In addition, all PCGs terminate at the common stop codon TAA or TAG, except for the COII genewhich uses single T as its stop codon. All tRNAs possess the typical clover-leaf structure, except for tRNAser(AGN), inwhich the dihydrouridine (DHU) arm forms a simple loop. The predicted lrRNA and srRNA secondary structures harbor six domainswith 49 helices and three domains with 33 helices, respectively. In total, P. epaphus mitogenome harbors 12 intergenic spacers. The 122 bp longest one located between tRNAser(AGN) and tRNAGlu is characterized by the multiple duplications of TTTTTCTTTTT and TTTATCTATTTCTTTmotifs, and this sequence is the largest intergenic spacer among all butterflies detected to date. The 496 bp AT-rich region is located between srRNA and tRNAMet, containing some conserved structural characteristic of lepidopterans, such as the motif ATAGA followed by an 18-bp poly-T stretch, a microsatellite-like (AT)9 element preceded by the ATTTA motif. Moreover, two tRNA-like sequences (tRNATrp-like, tRNALeu(UUR)-like) and two sequence stretches potential to form stem-loop structures are also found in the AT-rich region.
Cellular Mechanisms of a New Pyrazinone Compound that Induces Apoptosis in SKOV-3 Cells
Wang, Guan,Jiang, Meng-Ying,Meng, Ying,Song, Hong-Rui,Shi, Wei Asian Pacific Journal of Cancer Prevention 2014 Asian Pacific journal of cancer prevention Vol.15 No.2
We screened a small molecular library that was designed and independently synthesized in vitro and found a new drug (MY-03-01) that is active against ovarian cancer. We established that MY-03-01 effectively inhibited SKOV-3 cell survival in a dose-dependent manner, based on cell viability rates, and that it not only induced SKOV-3 apoptosis by itself, but also did so synergistically with paclitaxel. Secondly, when MY-03-01 was applied at $40{\mu}M$, its hemolytic activity was less than 10%, compared with the control, and there was almost no damage to nor mal cells at this concentration. In addition, we used DAPI staining and flow cytometry to show that MY-03-01 could significantly induce apoptosis of SKOV-3 cells. Finally, we found that MY-03-01 likely induced SKOV-3 apoptosis by activating caspase3 and caspase9 through the mitochondrial pathway.
Mini-Array of Multiple Tumor-associated Antigens (TAAs) in the Immunodiagnosis of Esophageal Cancer
Qin, Jie-Jie,Wang, Xiao-Rui,Wang, Peng,Ren, Peng-Fei,Shi, Jian-Xiang,Zhang, Hong-Fei,Xia, Jun-Fen,Wang, Kai-Juan,Song, Chun-Hua,Dai, Li-Ping,Zhang, Jian-Ying Asian Pacific Journal of Cancer Prevention 2014 Asian Pacific journal of cancer prevention Vol.15 No.6
Sera of cancer patients may contain antibodies that react with a unique group of autologous cellular antigens called tumor-associated antigens (TAAs). The present study aimed to determine whether a mini-array of multiple TAAs would enhance antibody detection and be a useful approach in esophageal cancer detection and diagnosis. Our mini-array of multiple TAAs consisted of eleven antigens, p53, pl6, Impl, CyclinB1, C-myc, RalA, p62, Survivin, Koc, CyclinD1 and CyclinE full-length recombinant proteins. Enzyme-linked immunosorbent assays (ELISA) were used to detect autoantibodies against eleven selected TAAs in 174 sera from patients with esophageal cancer, as well as 242 sera from normal individuals. In addition, positive results of ELISA were confirmed by Western blotting. In a parallel screening trial, with the successive addition of antigen to a final total of eleven TAAs, there was a stepwise increase in positive antibody reactions. The eleven TAAs were the best parallel combination, and the sensitivity and specificity in diagnosing esophageal cancer was 75.3% and 81.0%, respectively. The positive and negative predictive values were 74.0% and 82.0%, respectively, indicating that the parallel assay of eleven TAAs raised the diagnostic precision significantly. In addition, the levels of antibodies to seven antigens, comprising p53, Impl, C-myc, RalA, p62, Survivin, and CyclinD1, were significantly different in various stages of esophageal cancer, which showed that autoantibodies may be involved in the pathogenesis and progression of esophageal cancer. All in all, this study further supports our previous hypothesis that a combination of antibodies might acquire higher sensitivity for the diagnosis of certain types of cancer. A customized mini-array of multiple carefully-selected TAAs is able to enhance autoantibody detection in the immunodiagnosis of esophageal cancer and autoantibodies to TAAs might be reference indicators of clinical stage.