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| 1 | Changing patterns of colorectal cancer in China over a period of 20 years显示文摘AIM: To determine whether any changes have occurred on the patterns of colorectal cancer in China.METHODS: Data from 21 Chinese articles published from 1980 to 1999, were used to analyze the time trend of colorectal cancer according to the patients' age at diagnosis,sex, the site of the tumor, stage, and the pathology.RESULTS: From 1980s to 1990s, the mean age of the colorectal cancer patients has increased. The percentage of the female patients rose. The distribution of colorectal carcinoma shows a predominance of rectal cancer. However,the proportion of proximal colon cancer (including transverse and ascending colon) increased significantly accompanied by a decline in the percentage of rectal cancer. Similarity in the percentage of distal colon cancer between two decades was revealed. In the 1990s, statistically more Stage B patients were found than those in 1980s. In addition, databases show a significant decrease in the Stage D cases. The proportion of adenocarcinoma increased, but the mucinous adenocarcinoma decreased during two decades.CONCLUSION: These findings indicate that the patternof colorectal cancer in China has been changing. Especially,a proximal shift due to the increasing proportion of ascending and transverse colon cancer has occurred in China. | Ming Li Jin Gu | 2005 | World Journal of Gastroenterology2005,11,30: | 93 |
| 2 | Activation of gibberellin 2-oxidase 6 decreases active gibberellin levels and creates a dominant semi-dwarf phenotype in rice (Oryza sativa L.)显示文摘Gibberellin (GA) 2-oxidase plays a key role in the GA catabolic pathway through 2β-hydroxylation.In the present study,we isolated a CaMV 35S-enhancer activation tagged mutant,H032.This mutant exhibited a dominant dwarf and GA-deficient phenotype,with a final stature that was less than half of its wild-type counterpart.The endogenous bioactive GAs are markedly decreased in the H032 mutant,and application of bioactive GAs (GA3 or GA4) can reverse the dwarf phenotype.The integrated T-DNA was detected 12.8 kb upstream of the OsGA2ox6 in the H032 genome by TAIL-PCR.An increased level of OsGA2ox6 mRNA was detected at a high level in the H032 mutant,which might be due to the enhancer role of the CaMV 35S promoter.RNAi and ectopic expression analysis of OsGA2ox6 indicated that the dwarf trait and the decreased levels of bioactive GAs in the H032 mutant were a result of the up-regulation of the OsGA2ox6 gene.BLASTP analysis revealed that OsGA2ox6 belongs to the class III of GA 2-oxidases,which is a novel type of GA2ox that uses C20-GAs (GA12 and/or GA53) as the substrates.Interestingly,we found that a GA biosynthesis inhibitor,paclobutrazol,positively regulated the OsGA2ox6 gene.Unlike the over-expression of OsGA2ox1,which led to a high rate of seed abortion,the H032 mutant retained normal flowering and seed production.These results indicate that OsGA2ox6 mainly affects plant stature,and the dominant dwarf trait of the H032 mutant can be used as an efficient dwarf resource in rice breeding. | Jian Huang Ding Tang Yi Shen Baoxiang Qin Lilan Hong Aiqing You Ming Li Xin Wang Hengxiu Yu Minghong Gu Zhukuan Cheng | 2010 | Journal of Genetics and Genomics2010,37,1: | 36 |
| 3 | Clinical effects and complications of TIPS for portal hypertension due to cirrhosis:A single center显示文摘AIM:To determine the clinical effects and complications of transjugular intrahepatic portosystemic shunt(TIPS)for portal hypertension due to cirrhosis.METHODS:Two hundred and eighty patients with portal hypertension due to cirrhosis who underwent TIPS were retrospectively evaluated.Portal trunk pressure was measured before and after surgery.The changes in hemodynamics and the condition of the stent were assessed by ultrasound and the esophageal and fundic veins observed endoscopically.RESULTS:The success rate of TIPS was 99.3%.The portal trunk pressure was 26.8±3.6 cmH2O after surgery and 46.5±3.4 cmH2O before surgery(P<0.01).The velocity of blood flow in the portal vein increased.The internal diameters of the portal and splenic veins were reduced.The short-term hemostasis rate was100%.Esophageal varices disappeared completely in68%of patients and were obviously reduced in 32%.Varices of the stomach fundus disappeared completely in 80%and were obviously reduced in 20%of patients.Ascites disappeared in 62%,were markedly reduced in 24%,but were still apparent in 14%of patients.The total effective rate of ascites reduction was 86%.Hydrothorax completely disappeared in 100%of patients.The incidence of post-operative stent stenosis was 24%at 12 mo and 34%at 24 mo.The incidence of post-operative hepatic encephalopathy was 12%at3 mo,17%at 6 mo and 19%at 12 mo.The incidence of post-operative recurrent hemorrhage was 9%at 12mo,19%at 24 mo and 35%at 36 mo.The cumulative survival rate was 86%at 12 mo,81%at 24 mo,75%at 36 mo,57%at 48 mo and 45%at 60 mo.CONCLUSION:TIPS can effectively lower portal hypertension due to cirrhosis.It is significantly effective for hemorrhage of the digestive tract due to rupture of esophageal and fundic veins and for ascites and hydrothorax caused by portal hypertension. | Jian-Ping Qin Ming-De Jiang Wen Tang Xiao-Ling Wu Xin Yao Wei-Zheng Zeng Hui Xu Qian-Wen He Ming Gu | 2013 | World Journal of Gastroenterology2013,19,44: | 25 |
| 4 | Antisense to cyclin D1 reverses the transformed phenotype of human gastric cancer cells显示文摘INTRODUCTIONStudiesonthefunctionsofcelularprotooncogenesandtumorsuppresorgenesindicatethatmostofthesegenesmediatesignaltrans... | CHEN Bing 1, ZHANG Xue Yong 2, ZHANG Yu Jing 3, ZHOU Ping 3, GU Yan 4 and FAN Dai Ming 2 | 1999 | World Journal of Gastroenterology1999,5,1: | 23 |
| 5 | Climate change regionalization in China(1961–2010)显示文摘Since climatic condition is the important foundation for human subsistence and development and the key factor in sustainable development of economy and society, climate change has been a global issue attracting great attentions of politicians, scientists, governments, and the public alike throughout the world. Existing climate regionalization in China aims to characterize the regional differences in climate based on years of the mean value of different climate indexes. However, with the accelerating climate change nowadays, existing climate regionalization cannot represent the regional difference of climate change, nor can it reflect the disasters and environmental risks incurred from climate changes. This paper utilizes the tendency value and fluctuation value of temperature and precipitation from 1961 to 2010 to identify the climate change quantitatively, and completes the climate change regionalization in China(1961–2010) with county administrative regionalization as the unit in combination with China's terrain feature. Level-I regionalization divides China's climate change(1961–2010) into five tendency zones based on the tendency of temperature and precipitation, which are respectively Northeast China-North China warm-dry trend zone, East China-Central China wet-warm trend zone, Southwest China-South China dry-warm trend zone, Southeast Tibet-Southwest China wet-warm trend zone, and Northwest China-Qinghai-Tibet Plateau warm-wet trend zone; level-II regionalization refers to fourteen fluctuation regions based on level-I regionalization according to the fluctuation of temperature and precipitation. | SHI PeiJun SUN Shao WANG Ming LI Ning WANG JingAi JIN YunYun GU XiaoTian YIN WeiXia | 2014 | Science China Earth Sciences2014,57,11: | 22 |
| 6 | Exome sequencing confirms molecular diagnoses in 38 Chinese families with hereditary spherocytosis显示文摘Hereditary spherocytosis(HS), the most common cause of congenital hemolytic anemia, is caused by deficiency of the erythrocyte membrane proteins. Five causative genes(ANK1, SPTB, SPTA1, SLC4 A1, and EPB42) have been identified. To date,molecular genetic studies have been performed in different populations, including the American, European, Brazilian, Japanese and Korean populations, whereas only a few studies have been described in the Chinese population. Here, by reanalysis of the exome data, we revealed causative mutations and established a definitive diagnosis of HS in all 38 Chinese families. We found 34 novel mutations and four reported mutations in three known HS-causing genes—17 in ANK1, 17 in SPTB and four in SLC4 A1,suggesting that ANK1 and SPTB are the major genes in Chinese patients with HS. All of the ANK1 or SPTB mutations, scattered throughout the entire genes, are non-recurrent; and most of them are null mutations, which might cause HS via a haploinsufficiency mechanism. De novo mutations in ANK1 or SPTB often occur with an unexpected high frequency(87.5% and64.2%, respectively). Our study updates our knowledge about the genetic profile of HS in Chinese and shows that family-based,especially parent-offspring trio, sequencing analysis can help to increase the diagnostic power and improve diagnostic efficiency. | Rongrong Wang Shuanghao Yang Ming Xu Jia Huang Hongyan Liu Weiyue Gu Xue Zhang | 2018 | Science China(Life Sciences)2018,61,8: | 22 |
| 7 | Expression of insulin-like growth factor Ⅱ and its receptor in liver cells of chronic liver diseases显示文摘ExpressionofinsulinlikegrowthfactorⅡanditsreceptorinlivercelsofchronicliverdiseasesYANGDongHua1,XIUChong1,YANGBo1,GUJianR... | YANG Dong Hua 1, XIU Chong 1, YANG Bo 1, GU Jian Ren 2, QIAN Lian Fang 2 and QU Shu Ming 2 | 1997 | World Journal of Gastroenterology1997,3,2: | 21 |
| 8 | ERCP for patients who have undergone Billroth Ⅱ gastroenterostomy and Braun anastomosis显示文摘Endoscopic retrograde cholangiopancreatography(ERCP)is efficacious in patients who have undergone Billroth Ⅱ gastroenterostomies,but the success rate decreases in patients who also have experienced Braun anastomoses.There are currently no reports describing the preferred enterography route for cannulation in these patients.We first review the patient’s previous surgery records,which most often indicate that the efferent loop is at the greater curvature of the stomach.We recommend extending the duodenoscope along the greater curvature of the stomach and then advancing it through the'lower entrance'at the site of the gastrojejunal anastomosis,along the efferent loop,and through the'middle entrance'at the site of the Braun anastomosis to reach the papilla of Vater.Ten patients who had each undergone BillrothⅡgastroenterostomy and Braun anastomosis between January 2009 and December 2011 were included in our study.The overall success rate of enterography was 90% for the patients who had undergone BillrothⅡgastroenterostomy and Braun anastomosis,and the therapeutic success rate was 80%.We believe that this enterography route for ERCP is optimal for a patient who has had BillrothⅡgastroenterostomy and Braun anastomosis and helps to increase the success rate of the procedure. | Wen-Guang Wu Jun Gu Wen-Jie Zhang Ming-Ning Zhao Ming Zhuang Yi-Jing Tao Ying-Bin Liu Xue-Feng Wang | 2014 | World Journal of Gastroenterology2014,20,2: | 20 |
| 9 | New precut sphincterotomy for endoscopic retrograde cholangiopancreatography in difficult biliary duct cannulation显示文摘AIM:To retrospectively investigate the effect and safety of various new type precut sphincterotomy techniques (VNTPST) in endoscopic retrograde cholangiopancreato-graphy (ERCP) due to difficult biliary duct cannulation (DBC). METHODS:A plough-like pull-type sphincterotome (PLPTS) or improved short nose sphincterotome or improved needle knife was applied. VNTPST was carried out in 30 of 280 patients,whose biliary tract could not be exposed well or deep cannulation was difficult to perform during ERCP with traditional methods. Patients were followed up for short-term complications and the therapeutic effect of VNTPS was observed and compared with that of traditional endoscopic sphincterotomy (EST). RESULTS:A total 280 patients underwent ERCP,of which 3 failed in operation because of pathological features in stomch or duodenum,247 successfully underwent traditional ERCP (89.1%,247/277),30 failed (10.8%,30/277). VNTPS technique succeeded in 24 (80%,24/30) of 30 cases. The successful rate of deep biliary duct cannulation increased 8.6% (24/277),the total cannulation successful rate following precut was 97.7%. There was a significant difference between the two groups (97.7% vs 89.1%,χ2 = 17.1,P < 0.01). The incidence of complications was 9.3% (26/277) for traditional ERCP group and 13.3% (4/30) for VNTPS technique group. Guideline tip was broken in pancreatic duct (KPDGP) of one patient,and there was no pancreatitis,slight or moderate bleeding postoperatively occurred in 2 patients,1 patient had bleeding during operation (PDWN). There were no differences between VNTPS technique group and traditional ERCP (TRERCP)group (13.3% vs 9.3%,χ2 = 0.478,P > 0.05). CONCLUSION:VNTPS procedure and Deng's precut are highly effective methods to get biliary access during ERCP with DBC. With skillful techniques,it can increase the successful rate for deep cannulation of biliary duct and decrease complications. VNTPS technique,especially Deng's precut is as effective and safe as EST. This technique can be well performed in hospitals without particular equipments. | Deng-Hao Deng Hong-Nei Zuo Jia-Feng Wang Zhi-E Gu Hong Chen Yuan Luo Ming Chen Wen-Nuo Huang Lu Wang Wei Lu | 2007 | World Journal of Gastroenterology2007,13,32: | 20 |
| 10 | Darwin:a neuromorphic hardware co-processor based on Spiking Neural Networks显示文摘Broadly speaking, the goal of neuromorphic engineering is to build computer systems that mimic the brain. Spiking Neural Network(SNN) is a type of biologically-inspired neural networks that perform information processing based on discrete-time spikes, different from traditional Artificial Neural Network(ANN).Hardware implementation of SNNs is necessary for achieving high-performance and low-power. We present the Darwin Neural Processing Unit(NPU), a neuromorphic hardware co-processor based on SNN implemented with digitallogic, supporting a maximum of 2048 neurons, 20482= 4194304 synapses, and 15 possible synaptic delays.The Darwin NPU was fabricated by standard 180 nm CMOS technology with an area size of 5 × 5 mm2and70 MHz clock frequency at the worst case. It consumes 0.84 m W/MHz with 1.8 V power supply for typical applications. Two prototype applications are used to demonstrate the performance and efficiency of the hardware implementation. | Juncheng SHEN De MA Zonghua GU Ming ZHANG Xiaolei ZHU Xiaoqiang XU Qi XU Yangjing SHEN Gang PAN | 2016 | Science China(Information Sciences)2016,59,2: | 18 |
| 11 | contrast enhanced computed tomography and reconstruction of hepatic vascular system for transjugular intrahepatic portal systemic shunt puncture path planning显示文摘AIM: To describe a method for the transjugular intrahepatic portal systemic shunt(TIPS) placement performed with the aid of contrast-enhanced computed tomography(CECT) and three-dimensional reconstructed vascular images(3D RVIs), and to assess its safety and effectiveness. METHODS: Four hundred and ninety patients were treated with TIPS between January 2005 and December 2012. All patients underwent liver CECT and reconstruction of 3D RVIs of the right hepatic vein to portal vein(PV) prior to the operation. The 3D RVIs were carefully reviewed to plan the puncture path fromthe start to target points for needle pass through the PV in the TIPS procedure. R E S U LTS :The improved TIPS procedure was successful in 483(98.6%) of the 490 patients. The number of punctures attempted was one in 294(60%) patients, 2 to 3 in 147(30%) patients, 4 to 6 in 25(5.1%) patients and more than 6 in 17(3.5%) patients. Seven patients failed. Of the 490 patients, 12 had punctures into the artery, 15 into the bile duct, eight into the gallbladder, and 18 through the liver capsule. Analysis of the portograms from the 483 successful cases indicated that the puncture points were all located distally to the PV bifurcation on anteroposterior images, while the points were located proximally to the bifurcation in the three cases with intraabdominal bleeding. The complications included three cases of bleeding, of whom one died and two needed surgery. CONCLUSION: Use of CECT and 3D RVIs to plan the puncture path for TIPS procedure is safe, simple and effective for clinical use. | Jian-Ping Qin Shan-Hong Tang Ming-De Jiang Qian-Wen He Hong-Bin Chen Xin Yao Wei-Zheng Zeng Ming Gu | 2015 | World Journal of Gastroenterology2015,21,32: | 17 |
| 12 | Current Challenges for the Practical Application of Electroencephalography-Based Brain-Computer Interfaces显示文摘It has been almost 50 years since the term“brain–computer interface”(BCI)was first proposed by Jacques J.Vidal in 1973[1].Unlike traditional electronic interfaces that transmit nonliving information between devices,BCIs set up a communication bridge between a living brain and nonliving devices.Technically speaking,a BCI is a system that measures brain activity and converts it into the artificial outputs that replace,restore,enhance,supplement,or improve the natural central nervous system outputs[2].At present,electroencephalography(EEG)is the most commonly used brain signal for BCIs. | Minpeng Xu Feng He Tzyy-Ping Jung Xiaosong Gu Dong Ming | 2021 | Engineering2021,7,12: | 15 |
| 13 | Clinical Characteristics, Radiological Features and Gene Mutation in 10 Chinese Families with Spinocerebellar Ataxias显示文摘 | Jian-Wen Chen Li Zhao Feng Zhang Lan Li Yu-Hang Gu Jing-Yuan Zhou Hui Zhang Ming Meng Kai-Hua Zhang Wei-Dong Le Chun-Bo Dong | 2015 | Chinese Medical Journal2015,,13: | 14 |
| 14 | SIRT1 plays a neuroprotective role in traumatic brain injury in rats via inhibiting the p38 MAPK pathway显示文摘创伤的大脑损害(TBI ) 在经历创伤的损害的病人是残疾和死亡的一个主要原因。Mitochondrial 机能障碍是处于联系 TBI 的大脑损坏贡献第二等的损害的主要因素之一。在 TBI 以后的损害 mitochondrial 功能的证据是,但是位于 TBI 的致病下面的分子的机制不是理解的井。沉默信息管理者家庭蛋白质 1 (SIRT1 ) , NAD +-dependent 蛋白质 deacetylases 的一个成员,被显示了在各种各样的病理的动物模型展出 neuroprotective 活动包括 ischemic 大脑损害, subarachnoid 出血和几 neurodegenerative 疾病。在这研究,我们调查了是否 SIRT1 也施加 neuroprotective 效果 post-TBI,并且推进探索了涉及 TBI 的可能的规章的机制致病。一个侧面的液体敲打(LFP ) 大脑损害模型在老鼠被建立模仿 TBI 的侮辱。SIRT1, p-p38,劈开的 caspase-9 和劈开的 caspase-3 的表示层次都显著地在 12 h post-TBI 被增加并且到达最大值。另外, mitochondrial 功能被损害,由肿、不规则地塑造的线粒体的存在证实了与破坏了并且糟糕定义 cristae, neuronal ATP 内容的有低 m 的神经原的百分比的相对增加, mPTP 的开始,和减少,特别在 12 h post-TBI。有 SIRT1 禁止者 sirtinol 的预告的处理(10 mg/kg, ip ) 导致了 p-p38 激活,加重了 mitochondrial 损坏,并且支持了 mitochondrial apoptosis 小径的激活。相反,有 p38 禁止者 SB203580 的预告的处理(200 g/kg, ip ) 两个的显著地稀释的 post-TBI-induced 表示劈开 caspase-9 并且劈开 caspase-3 和 mitochondrial 损坏,而它没在 SIRT1 上有效果表示。一起,这些结果表明在 TBI 以后的 12 h 可以是第二等的损坏在发生的一关键时间;SIRT1 表示的激活和 p38 MAPK 小径的抑制可以在阻止第二等的损坏 post-TBI 起一个 neuroprotective 作用。为这个原因, SIRT1 和 p38 是可能的是重要目标阻止第二等的损坏 post-TBI。 | Hong YANG Zheng-tao GU Li LI Mac MAEGELE Bi-ying ZHOU Feng LI Ming ZHAO Ke-sen ZHAO | 2017 | Acta Pharmacologica Sinica2017,38,2: | 13 |
| 15 | A Single-institution Experience with Open Irreversible Electroporation for Locally Advanced Pancreatic Carcinoma显示文摘 | Li Yan Yong-Liang Chen Ming Su Tian Liu Kai Xu Feng Liang Wan-Qing Gu Shi-Chun Lu | 2016 | Chinese Medical Journal2016,,24: | 13 |
| 16 | Ginsenoside-Rg_6, a Novel Triterpenoid Saponin from the Stem-Leaves of Panax ginseng C. A. Mey.显示文摘A novel dammarane-type triterpene oligoglycoside, named ginsenoside-Rg6 3, was isolated from the stem-leaves of Panax ginseng C. A. Mey., together with two known ones, 20(S)-ginsenoside-Rg2 1 and 20(R)-ginsenoside-Rg2 2. On the basis of chemical and physicochemical evidence , the structure of ginsenoside-Rg6 have been elucidated as 6-O-(-L-rhamnosyl-(1?2)-(-D-glucopyranosyl-dammarane-(E)-20(22), 24-diene-3(, 6(, 12(-triol. | Xiu Wei YANG, Long Yun LI, Jian Ming TIAN, Zhi Wei ZHANG, Jin Mei YE, Wei Fang Gu (National Research Laboratory of Natural & Biomimetic Drugs, Peking University, Beijing 100083) (Academy of Chinese Traditional Medicine and Materia Medica of Jilin Provinc | 2000 | Chinese Chemical Letters2000,11,10: | 12 |
| 17 | Tissue-specific transcription reprogramming promotes liver metastasis of colorectal cancer显示文摘Metastasis,the development of secondary malignant growths at a distance from a primary tumor,is the cause of death for 90%of cancer patients,but little is known about how metastatic cancer cells adapt to and colonize new tissue environments.Here,using clinical samples,patient-derived xenograft(PDX)samples,PDX cells,and primary/metastatic cell lines,we discovered that liver metastatic colorectal cancer(CRC)cells lose their colon-specific gene transcription program yet gain a liver-specific gene transcription program.We showed that this transcription reprogramming is driven by a reshaped epigenetic landscape of both typical enhancers and super-enhancers.Further,we identified that the liver-specific transcription factors FOXA2 and HNF1A can bind to the gained enhancers and activate the liver-specific gene transcription,thereby driving CRC liver metastasis.Importantly,similar transcription reprogramming can be observed in multiple cancer types.Our data suggest that reprogrammed tissue-specific transcription promotes metastasis and should be targeted therapeutically. | Shuaishuai Teng Yang Eric Li Ming Yang Rui Qi Yiming Huang Qianyu Wang Yanmei Zhang Shanwen Chen Shasha Li Kequan Lin Yang Cao Qunsheng Ji Qingyang Gu Yujing Cheng Zai Chang Wei Guo Pengyuan Wang Ivan Garcia-Bassets Zhi John Lu Dong Wang | 2020 | Cell Research2020,30,1: | 11 |
| 18 | Circular RNA circVAPA promotes chemotherapy drug resistance in gastric cancer progression by regulating miR-125b-5p/STAT3 axis显示文摘BACKGROUND Gastric cancer(GC)is a prevalent malignancy,leading to a high incidence of cancer-associated death.Cisplatin(DDP)-based chemotherapy is the principal therapy for clinical GC treatment,but DDP resistance is a severe clinical challenge and the mechanism remains poorly understood.Circular RNAs(circRNAs)have been identified to play crucial roles in modulating the chemoresistance of gastric cancer cells.AIM To explore the effect of circVAPA on chemotherapy resistance during GC progression.METHODS The effect of circVAPA on GC progression and chemotherapy resistance was analyzed by MTT assay,colony formation assay,Transwell assay,wound healing assay,and flow cytometry analysis in GC cells and DDP resistant GC cell lines,and tumorigenicity analysis in nude mice in vivo.The mechanism was investigated by luciferase reporter assay,quantitative real-time PCR,and Western blot analysis.RESULTS CircVAPA expression was up-regulated in clinical GC tissues compared with normal samples.CircVAPA depletion inhibited proliferation,migration,and invasion and increased apoptosis of GC cells.The expression of circVAPA,STAT3,and STAT3 downstream genes was elevated in DDP resistant SGC7901/DDP cell lines.CircVAPA knockdown attenuated the DDP resistance of GC cells.Mechanically,circVAPA was able to sponge miR-125b-5p,and miR-125b-5p could target STAT3 in the GC cells.MiR-125b-5p inhibitor reversed circVAPA depletion-enhanced inhibitory effect of DDP on GC cells,and STAT3 knockdown blocked circVAPA overexpression-induced proliferation of DDPtreated SGC7901/DDP cells.The depletion of STAT3 and miR-125b-5p inhibitor reversed circVAPA depletion-induced GC cell apoptosis.Functionally,circVAPA contributed to the tumor growth of SGC7901/DDP cells in vivo.CONCLUSION CircVAPA promotes chemotherapy resistance and malignant progression in GC by miR-125b-5p/STAT3 signaling.Our findings present novel insights into the mechanism by which circVAPA regulates chemotherapy resistance of GC cells.CircVAPA and miR-125b-5p may be considered as the potential targets for GC therapy. | Peng Deng Ming Sun Wen-Yan Zhao Bin Hou Kai Li Tao Zhang Feng Gu | 2021 | World Journal of Gastroenterology2021,27,6: | 11 |
| 19 | ELE restrains empty glumes from developing into lemmas显示文摘Although there is evident homology among reproductive organs when comparing Poaceae (grass) and eudicots, the identity of grass specific organs, such as lodicules, palea, lemma, and glumes has been the subject of a vast and largely inconclusive discussion. Here we provide some direct evidence to support the idea that the empty glumes of rice (Oryza sativa) are counterparts of lemmas. We show that the development of empty glumes is regulated by ELE (elongated empty glume), which belongs to a plant specific novel gene family. Mutations at the ELE locus cause elongated empty glumes, which mimic the lemmas and have the epidermal morphology of lemmas with four or five vascular bundles. As a nuclear-localized gene, ELE is specifically expressed at the empty glumes of immature spikelets, and its ectopic expression causes many floral development defects, including lemma-like palea, extra palea-like structures, elongated lodicules, extra stamens and stigmas. Our result suggests that empty glumes are lemmas of the sterile florets located at the lateral side of the rice spikelet, and ELE acts as a regulator restraining its growth to maintain its small size in wild-type plants. | Lilan Hong Qian Qian Keming Zhu Ding Tang Zejun Huang Ling Gao Ming Li Minghong Gu Zhukuan Cheng | 2010 | Journal of Genetics and Genomics2010,37,2: | 11 |
| 20 | Rice OsGL 1-1 Is Involved in Leaf Cuticular Wax and Cuticle Membrane显示文摘表皮的蜡在天线植物机关上形成一个恐水病的障碍;它在保护植物免受环境应力的许多形式引起的损坏的伤害起一个重要作用。在现在的学习,我们描绘了蜡缺乏的变异的 osgl1-1 从一个自发的变化导出的一片米饭叶,它展出了蜡缺乏、高度吸水的叶显型。我们由基于地图的克隆方法克隆 OsGL1-1 基因并且执行了互补测试证实候选人基因的功能。分子的研究表明 OsGL1-1 是 OsGL1 家庭的一个成员,并且包含了对在甾醇 desaturases 和短链的 dehydrogenases/reductases 的一些区域相应的区域。比作野类型, osgl1-1 异种显示出减少的表皮的蜡免职,更薄的表皮的膜,沥滤的减少的叶绿素,水损失的增加的率,和提高的敏感到干旱。OsGL1-1 在米饭无所不在地被表示。OsGL1-1green 的短暂表示荧光灯蛋白质熔化蛋白质显示 OsGL1-1 在细胞质,血浆膜,和原子核是局部性的。 | Bao-Xiang Qin Ding Tang Jian Huang Ming Li Xin-Ru Wu Li-Li LU Ke-Jian Wang Heng-Xiu Yu Jian-Min Chen Ming-Hong Gu Zhu-Kuan Cheng | 2011 | Molecular Plant2011,4,6: | 10 |