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- 저자 : Shu-na Jiang (검색결과 2 건)
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Guang-li Li,Si-ping Deng,Shu-na Jiang,Man Ye,Hua-pu Chen,Siuming F. Chan,Chun-hua Zhu 한국유전학회 2015 Genes & Genomics Vol.37 No.10
In this study, the full-length GIH cDNA sequence from Litopenaeus vannamei was cloned from the eyestalk by reverse transcriptase polymerase chain reaction (RT-PCR) and rapid amplification of cDNA ends. The fulllength GIH cDNA was 865 bp with a 288 bp open-reading frame, which encoded a 96 amino acid prepro-GIH with 17 amino acid signal peptide. L. vannamei GIH (LvGIH) can be classified as a member of type-II crustacean hyperglycemic hormone polypeptide family. LvGIH shares 93.8 and 66.7 % amino acid sequence identity with GIH from Penaeus monodon, and the molt-inhibiting hormone from Marsupenaeus japonicas, respectively. By quantitative real-time PCR (qPCR), LvGIH mRNA transcripts were detected in fertilized eggs, nauplius, zoea, mysis and juveniles of 25, 35 and 40 days old. LvGIH transcript levels increased significantly with the development from fertilized eggs to juveniles. LvGIH transcript levels were highest in juveniles at 35 days old. By RT-PCR, LvGIH mRNA transcripts were detected only in the eyestalks and brains but not in the muscles, intestines, gills, heart, hepatopancreas, ovaries and testes of adults, and there was no difference in the expression level of LvGIH between males and females. Using the P. monodon anti-GIH antibody, we showed that LvGIH was located mainly in the XO-SG and slightly in axon, with similar fluorescence intensity found in XO and SG. To summarize, we have cloned and characterized the GIH of the shrimp L. vannamei. In addition to the GIH properties described in other crustaceans, a peak of LvGIH expression was identified at the time of sexual differentiation (i.e., day 35 larvae) suggesting that LvGIH may also be involved in the control of this process.
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Cui, Xiao-Bin,Peng, Hao,Li, Su,Li, Ting-Ting,Liu, Chun-Xia,Zhang, Shu-Mao,Jin, Ting-Ting,Hu, Jian-Ming,Jiang, Jin-Fang,Liang, Wei-Hua,Li, Na,Li, Li,Chen, Yun-Zhao,Li, Feng Asian Pacific Journal of Cancer Prevention 2014 Asian Pacific journal of cancer prevention Vol.15 No.22
Background: A number of studies have identified a shared susceptibility locus in phospholipase C epsilon 1 (PLCE1) for esophageal squamous cell carcinoma (ESCC) and gastric cardia adenocarcinomas (GCA). However, the results of PLCE1 expression in esophageal and gastric cancer remain inconsistent and controversial. Moreover, the effects on clinicopathological features remain undetermined. This study aimed to provide a precise quantification of the association between PLCE1 expression and the risk of ESCC and GCA through meta-analysis. Materials and Methods: Eligible studies were identified from PubMed, Wanfang Data, ISI Web of Science, and the Chinese National Knowledge Infrastructure databases. Using RevMan5.2 software, pooled odds ratios (ORs) with 95% confidence intervals (CIs) were employed to assess the association of PLCE1 expression with clinicopathological features relative to ESCC or GCA. Results: Seven articles were identified, including 761 esophageal and gastric cancer cases and 457 controls. Overall, we determined that PLCE1 expression was associated with tumor progression in both esophageal cancers (pooled OR=5.93; 95%CI=3.86 to 9.11) and gastric cancers (pooled OR=9.73; 95%CI=6.46 to 14.7). Moreover, invasion depth (pooled OR=3.62; 95%CI=2.30 to 5.70) and lymph node metastasis (pooled OR=4.21; 95%CI=2.69 to 6.59) were linked with PLCE1 expression in gastric cancer. However, no significant associations were determined between PLCE1 overexpression and the histologic grade, invasion depth, and lymph node metastasis in esophageal cancer. Conclusions: Our metaanalysis results indicated that upregulated PLCE1 is significantly associated with an increased risk of tumor progression in ESCC and GCA. Therefore, PLCE1 expression can be appropriately regarded as a promising biomarker for ESCC and GCA patients.
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