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감자 (Solanum tuberosum L.) CycD3유전자의 분리 및 특성 분석
강인홍,최승호,이홍근,황현식,이석찬,정태영,임학태,배신철,Kang, In-Hong,Choi, Seung-Ho,Lee, Hong-Geun,Hwang, Hyun-Sik,Lee, Suk-Chan,Jung, Tae-Young,Lim, Hak-Tae,Bae, Shin-Chul 한국식물생명공학회 2003 식물생명공학회지 Vol.30 No.4
D-type cyclins are believed to regulate the G1 to S phase transition in response to nutrient and hormonal signals. We investigated the expression characteristics of the key cell-cycle regulators, mitotic and G1 cyclins in potato (Solanum tuberosum L.). We isolated D-type cyclin gene from potato and it was classified as D3 cyclin by sequence similarities and a phylogenetic analysis, and named as StcycD3;1. The accumulation of transcripts was predominantly associated with mitotically active organs, such as stolons, roots, flowers, leaves, and stems. Transcription of StcycD3;1 can be induced by sucrose. D-type cyclin은 호르몬과 영양분의 영향을 받아 세포주기의 G1기에서 S기로 전환을 조절하는 인자이다. 우리는 감자에서 이 유전자를 분리 해냈고, 염기서열 분석을 통하여 D3 cyclin으로 분류하였다. 그리고 StCycD3;1이라 명명하였다. 다른 D cyclin유전자가 세포 분열이 활발한 조직에서 발현되는 것과 같이 StCycD3;1은 감자의 괴경, 뿌리, 꽃, 잎, 줄기, 뿌리줄기, 복지에서 다양한 발현 양상을 보였고, 영양분의 하나인 sucrose에 의하여 발현이 유도되는 것을 확인하였다.
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대장암 발생의 위험도와 RNase3 유전자 다형성과의 연관성
김용,강동백,이정균,이영환,채수천,양연식,박원철,강인홍 대한대장항문학회 2010 Annals of Coloproctolgy Vol.26 No.1
Purpose: RNase3 is a secretory ribonuclease found in eosinophilic leukocytes and is involved in the innate immune system. Its cytotoxic activity is effective against a wide range of pathogens. Generally, high levels of RNase3 have been reported in cases of active asthma and allergic diseases. However, a relationship between RNase3 and colon cancer has not yet been reported. We performed a case-control study to examine the relationship between RNase3 polymorphisms and the risk of colorectal cancer in Korean people. Methods: Blood sampling of each group was performed, TaqMan in g.-550A>G, PCR-RFLP in g.371C>G, and high resolution melting (HRM) in g.499C>G were analyzed. As results, the three SNPs, g.-550A>G, g.371C>G, and g.499C>G, in RNase3 and their haplotypes were analyzed. Results: The genotype and the allele frequencies of RNase3 g.-550A>G and g.371C>G were not significantly associated with increased risk for colon cancer compared to the control group, but the RNase3 g.499C>C genotype was associated with a significantly increased risk for colorectal cancer compared to the control group (P=0.001). Also, the RNase3 g.499C>C genotype was more specifically associated with a significantly increased risk for right colon cancer than left colon cancer (P<0.001). In haplotypes of RNase3 SNPs, g.-550G, g.371C, and g.499G were significantly associated with colorectal cancer (P=0.019): more specifically, left colon cancer and rectal cancer than right colon cancer (P=0.048). Conclusion: The RNase3 g.499C>G polymorphism may have an influence on colorectal cancers and may have a more specific influence on right colon cancer than left colon cancer and on rectal cancer. However, the significance of the RNase3g.-550A>G and g.371C>G polymorphisms need careful interpretation and require confirmation in larger studies.
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위암 발생의 민감성과 RNase3 유전자 다형성과의 연관성
구자욱(Ja Wook Koo),강동백(Dong Baek Kang),박원철(Won Cheol Park),이영환(Young Hwan Lee),강인홍(In Hong Kang),채수천(Soo Cheon Chae),이정균(Jeong Kyun Lee) 대한외과학회 2010 Annals of Surgical Treatment and Research(ASRT) Vol.78 No.5
Purpose: RNase3 is a secretory ribonuclease, which is found in the eosinophilic leukocyte and involved in the innate immune system. Its cytotoxic activity is effective against a wide range of pathogens. We performed a case-control study to examine the relationship between RNase3 polymorphisms and the susceptibility of gastric cancer in Korean people. Methods: Blood sampling of stomach cancer and healthy persons groups were performed, Taqman in g.-550A>G, polymerase chain reaction-restriction fragment length polymorphism in g.371C>G, and high-resolution melt in g.499C>G were analyzed. The three single nucleotide polymorphisms g.-550A>G, g.371C>G, and g.499C>G in RNase3 and their haplotypes were analyzed. Results: The genotype and allele frequencies of RNase3 g.-550A>G and g.371C>G were not significantly increased in susceptibility of gastric cancer than control group. But, RNase3 CC genotype was associated with a significantly increased susceptibility of gastric cancer than control group (P=0.002). Also, RNase3 CC genotype was more specifically associated with a significantly increased susceptibility of middle and lower gastric cancer than upper gastric cancer (P=0.002). In haplotype of RNase3 SNP g.-550A, g.371G, and g.499C, there was significantly susceptibility of gastric cancer (P=0.004), and more specific influence on middle and lower gastric cancer than upper gastric cancer (P=0.006 vs 0.054). Conclusion: RNase3 g.499C>G polymorphism may influence gastric cancers, and have a more specific influence on middle and lower gastric cancer rather than upper gastric cancer. But RNase3 g.-550A>G, g.371C>G polymorphisms need careful interpretation and confirmation in more larger studies.
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