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Yong Chun Li,Fan Rong Meng,Chun Yan Zhang,Ning Zhang,Ming Shan Sun,Jiang Ping Ren,Hong Bin Niu,Xiang Wang,Jun Yin 한국식물학회 2012 Journal of Plant Biology Vol.55 No.5
To understand better the mechanisms that regulate the water stress response in wheat, we conducted a comparative analysis of transcript profiles in roots from two wheat genotypes -- drought-tolerant ‘Luohan No. 2’ (LH)and drought-susceptible ‘Chinese Spring’ (CS). In LH roots,3831 transcripts displayed changes in expression of at least two-fold over the well-watered control when drought treatment was applied. Of these, 1593 were induced while 2238 were repressed. Relatively fewer transcripts were drought-responsive in CS; i.e., 1404 transcripts were induced and 1493 were repressed. In common between LH and CS,569 transcripts were induced and 424 transcripts were repressed. In all, 689 transcripts (757 probe sets) identified from LH and 537 transcripts (575 probe sets) from CS were annotated and classified into 10 functional categories. Among those annotated transcripts from LH and CS that had fold-change ratios of at least 4, 92 induced transcripts were common to both, while 23 transcripts were specifically induced in LH. Gene ontology analysis of these induced genes showed highly significant enrichment for multiple terms related to abiotic stimuli, organic acid biosynthesis,and lipid metabolism. This suggests that these gene groups play important roles during the stress response in LH and CS, and might also be responsible for differences in drought tolerance between those genotypes.
한국산 Cydia속(나비목: 잎말이나방과)의 3미기록종
변봉규,Shan-Chun Yan 한국응용곤충학회 2001 한국응용곤충학회지 Vol.40 No.4
본 연구를 통해 잎말이나방과에 속하는 Cydia속의 3종 <C. curvivalva Liu et Yan, C. trasias (Meyrick), C. nigricana Fabricius>을 우리나라에서 처음으로 보고하며, 이들의 분류학적 특징을 간략히 재기재 하고 채집된 성충 및 암.수 생식기를 도시하였다. Three species of the genus Cydia Hubner, C. curvivalva Liu et Yan, C. trasias (Meyrick), and C. nigricana Fabricius, are reported for the first time in Korea. Morphological characteristics of them are briefly redescribed with illustrations of adults and genitalia. Also the known biological information for the species are mentioned.
( Ming Yi Zhao ),( Ming Hua Yang ),( Liang Chun Yang ),( Yan Yu ),( Min Xie ),( Shan Zhu ),( Rui Kang ),( Dao Lin Tang ),( Zhi Gang Jiang ),( Wu Zhou Yuan ),( Xiu Shan Wu ),( Li Zhi Cao ) 생화학분자생물학회(구 한국생화학분자생물학회) 2011 BMB Reports Vol.44 No.9
HMGB1 is associated with human cancers and is an activator of autophagy which mediates chemotherapy resistance. We here show that the mRNA levels of HMGB1 are high in leukemia cells and it is involved in the progression of childhood chronic myeloid leukemia (CML). HMGB1 decreases the sensitivity of human myeloid leukemia cells K562 to anti-cancer drug induced death through up-regulating the autophagy pathway, which is confirmed by the observation with an increase in fusion of autophagosomes and autophagolysosomes. When overexpressing HMGB1, both mRNA levels of Beclin-1, VSP34 and UVRAG which are key genes involved in mammalian autophagy and protein levels of p-Bcl-2 and LC3-II are increased. Luciferase assays document that over-expression of HMGB1 increases the transcriptional activity of JNK and ERK, which may be silenced by siRNA. The results suggest that HMGB1 regulates JNK and ERK required for autophagy, which provides a potential drug target for therapeutic interventions in childhood CML. [BMB reports 2011; 44(9): 601-606]
Xiao-Dan Yue,Jing-Yu Wang,Xin-Rong Zhang,Ju-Hong Yang,Chun-Yan Shan,Miao-Yan Zheng,Hui-Zhu Ren,Yi Zhang,Shao-Hua Yang,Zhen-Hong Guo,Bai Chang,Bao-Cheng Chang 대한의학회 2017 Journal of Korean medical science Vol.32 No.4
Sodium glucose co-transporter 2 (SGLT-2) inhibitors are newly developed but promising medicine for type 2 diabetes. However, patients with a different renal threshold for glucose excretion (RTG) may have a different reaction to this medicine. Therefore, the objective of this study was to investigate the characteristics of RTG and its impact factors in patients with type 2 diabetes mellitus (T2DM). The clinical and laboratory data of 36 healthy individuals and 168 in-hospital patients with T2DM were collected and analyzed, RTG was calculated using blood glucose (BG) measured by dynamic BG monitoring, urinary glucose excretion (UGE) and estimated glomerular filtration rate (eGFR). The characteristics of RTG were investigated. The risk factors for high RTG were analyzed using non-conditional logistic regression analysis. Our results found that RTG of the T2DM group was higher than that of the healthy individuals (P < 0.05); and 22.22% from the healthy individuals group but 58.33% from the T2DM group had high RTG. Age, duration of diabetes, body mass index (BMI), and homeostasis model assessment insulin resistance index (HOMA-IR) were independently associated with high RTG (P < 0.05). Further stratified analysis revealed that RTG in T2DM patients increased with age, duration of diabetes, and BMI. In conclusion, RTG is increased in patients with T2DM, especially in those with longer diabetic duration, higher BMI, and those who are older. Therefore, these patients may be more sensitive to SGLT-2 inhibitors.