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The Potential Therapeutic Effects of Endothelial Progenitor Cells in Ischemic Cardiovascular Disease 内皮祖细胞在缺血性心血管疾病中的潜在治疗作用
Pub Date : 2020-01-01 DOI: 10.5352/JLS.2020.30.7.651
Da Yeon Kim, Bo Min Kim, So Jung Kim, Jin Hee Choi, Sang-Mo Kwon
Cardiovascular disease is one of the leading causes of death across the world, and gold-standard treatments such as percutaneous coronary intervention and artery bypass grafting have various limitations including myocardial damage and subsequent maladaptive cardiac remodeling. To overcome this, stem-cell therapies are emerging as a promising strategy for cardiovascular regeneration. Endothelial progenitor cells (EPCs) have high potential to proliferate and differentiate into endothelial cells for vascularization and tissue regeneration, and several clinical trials have explored EPC function in tissue repair in relation to clinical safety and improving cardiac function. Consequently, EPC has been suggested as a feasible stem-cell therapy. However, autologous EPC transplantation in cardiovascular disease patients is restricted by risk factors such as age, smoking status, and hypertension that lead to reduced bioactivity in the EPCs. New approaches for improving EPC function and stem-cell efficacy have therefore been suggested, including cell priming, organoid culture systems, and enhancing transplantation efficiency through 3D bioprinting methods. In this review, we provide a comprehensive understanding of EPC characteristics, therapeutic approaches, and the current state of clinical research into EPCs as stem-cell therapy for cardiovascular disease.
心血管疾病是世界范围内导致死亡的主要原因之一,经皮冠状动脉介入治疗和动脉旁路移植术等金标准治疗存在各种局限性,包括心肌损伤和随后的心脏重构不适应。为了克服这一点,干细胞疗法正在成为一种有希望的心血管再生策略。内皮祖细胞(Endothelial progenitor cells, EPCs)在血管形成和组织再生中具有高度增殖和分化为内皮细胞的潜力,一些临床试验已经探索了EPCs在组织修复中的功能与临床安全性和改善心功能的关系。因此,EPC被认为是一种可行的干细胞治疗方法。然而,心血管疾病患者的自体EPC移植受到年龄、吸烟状况和高血压等危险因素的限制,导致EPCs的生物活性降低。因此,研究人员提出了改善EPC功能和干细胞功效的新方法,包括细胞启动、类器官培养系统和通过生物3D打印方法提高移植效率。在这篇综述中,我们提供了EPCs的特点,治疗方法和临床研究的现状EPC干细胞治疗心血管疾病的全面了解。
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引用次数: 0
내건성 및 BPH 내성 계통의 육성을 위한 농업형질 고정여부 조사 为培育耐干性和BPH耐药性,调查农业性状是否固定
Pub Date : 2020-01-01 DOI: 10.5352/JLS.2020.30.9.798
이소영, 김은경, 박재령, 김경민
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引用次数: 0
Functional Chemical Components and Their Biological Activities of Houttuynia cordata and Lespedeza cuneata 鱼腥草和胡枝子的功能化学成分及其生物活性研究
Pub Date : 2020-01-01 DOI: 10.5352/JLS.2020.30.2.169
S. Park, H. Sohn, C. Lee, H. Hwang, S. Park, Jongsik Kim
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引用次数: 0
The Anti-obesity Effect of Aureobasidium pullulans SM-2001 Extract (Polycan ® ) on 3T3-L1 Preadipocytes and Adipocytes 普鲁兰毛霉SM-2001提取物(多聚糖®)对3T3-L1前脂肪细胞和脂肪细胞的抗肥胖作用
Pub Date : 2020-01-01 DOI: 10.5352/JLS.2020.30.10.835
Young-S. Kim, J. Lim, Bon-Hwa Ku, S. Moon, Hyung-rae Cho, S. Lee, J. Kwon
and Jung-Hee Kwon* Glucan Co. Ltd., 25-15, Worasan-ro 950 beon-gil, Munsan-eup Jinju-si, Gyeongsangnam-do 52840, Korea 2 Biological Resources Research Group, Gyeongnam Department of Environment Toxicology and Chemistry, Korea Institute of Toxicology (KIT), 17 Jeigok-gil, Jinju 52834, Korea NPChemBio Co. Ltd., Venture Support Facilities, Jinju Bioindustry Promotiom Foundation, 991 Worasan-ro, Munsan-eup, Jinju-si, Gyeongsangnam-do 52839, Korea
金州市文山邑worasan路950号25-15号,庆尚南道金州市文山邑worasan路52840;韩国毒理学研究所(KIT)庆尚南道环境毒理学与化学学系,金州市济国路17号,韩国2生物资源研究小组;庆尚南道金州市文山邑worasan路991号,金州市生物产业振兴财团风险支持设施NPChemBio有限公司
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引用次数: 0
The Protective Effects of an Ethyl Acetate Fraction of Raphiolepsis indica Against Oxidative Stress in HaCaT Keratinocytes Raphiolepsis乙酸乙酯部分对HaCaT角化细胞氧化应激的保护作用
Pub Date : 2020-01-01 DOI: 10.5352/JLS.2020.30.8.688
E. Yang, Hye-Ran Kim, Kyung-Soo Chang, Changlim Hyun
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引用次数: 0
A Comparison Between the Agricultural Traits of GM and Non-GM Rice in Drought Stress and Non-stress Conditions 干旱胁迫与非干旱胁迫条件下转基因与非转基因水稻农艺性状的比较
Pub Date : 2020-01-01 DOI: 10.5352/JLS.2020.30.5.411
Nafula Racheal, Jae-Ryoung Park, Dong-Won Jeon, Kyung-Min Kim
The development of GM crops has gained significant economic importance, and the number of countries cultivating commercial GM crops has continuously increased since the 1960s. Globally, the area given to cultivating GM soybean, maize, cotton, and canola alone had reached 114 million hectares by 2007. Although the economic importance of cultivating and commercializing GM crops has increased, there is still a need to assess their agricultural traits in comparison to non-GM produce. This study evaluated the agricultural traits of GM rice containing the drought-tolerant gene CaMsrB2 and standard rice to investigate any unintended effects of genetic engineering. The GM and non-GM rice were compared in terms of various agricultural traits in a drought greenhouse and an irrigated paddy field. There was no statistical difference in the field-grown crops, but there was a statistically significant difference in both tiller number and yield in the greenhouse. These results therefore suggest that GM rice lines containing the CaMsrB2 gene are superior in performance to non-GM rice in drought stress conditions and could be grown in drought-prone areas where drought intolerant rice may not be able to grow.
转基因作物的发展具有重要的经济意义,自20世纪60年代以来,种植商业化转基因作物的国家不断增加。到2007年,全球仅转基因大豆、玉米、棉花和油菜的种植面积就达到1.14亿公顷。尽管种植和商业化转基因作物的经济重要性已经增加,但仍有必要将其与非转基因作物进行比较,评估其农业性状。本研究对含有耐旱基因CaMsrB2的转基因水稻和标准水稻的农业性状进行了评价,以探讨基因工程的非预期效应。比较了转基因水稻和非转基因水稻在干旱温室和水田条件下的各项农艺性状。大田作物的分蘖数和产量差异无统计学意义,但温室分蘖数和产量差异有统计学意义。因此,这些结果表明,含有CaMsrB2基因的转基因水稻品系在干旱胁迫条件下的表现优于非转基因水稻,可以在抗旱水稻无法生长的干旱易发地区种植。
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引用次数: 1
Cis-acting Replication Element Variation of the Foot-and-mouth Disease Virus is Associated with the Determination of Host Susceptibility 口蹄疫病毒顺式复制元件变异与宿主易感性测定相关
Pub Date : 2020-01-01 DOI: 10.5352/JLS.2020.30.11.947
H. Kang, Mi So Seong, B. Ku, J. Cheong
The foot-and-mouth disease virus (FMDV), a member of the Aphthovirus genus in the Picornaviridae family, affects wild and domesticated ruminants and pigs. During replication of the FMDV RNA (ribonucleic acid) genome, FMDV-encoding RNA polymerase 3D acts in a highly location-specific manner. This suggests that specific RNA structures recognized by 3D polymerase within non-coding regions of the FMDV genome assist with binding during replication. One such region is the cis-acting replication element (CRE), which functions as a template for RNA replication. The FMDV CRE adopts a stem-loop conformation with an extended duplex stem, supporting a novel 15-17 nucleotide loop that derives stability from base-stacking interactions, with the exact RNA nucleotide sequence of the CRE producing different RNA secondary structures. Here, we show that CRE sequences of FMDVs isolated in Korea from 2010 to 2017 exhibit A and O genotypes. Interestingly, variations in the RNA secondary structure of the Korean FMDVs are consistent with the phylogenetic relationships between these viruses and reveal the specificity of FMDV infections for particular host species. Therefore, we conclude that each genetic clade of Korean FMDV is characterized by a unique functional CRE and that the evolutionary success of new genetic lineages may be associated with the invention of a novel CRE motif. Therefore, we propose that the specific RNA structure of a CRE is an additional criterion for FMDV classification dependent on the host species. These findings will help correctly analyze CRE sequences and indicate the specificity of host species for future FMDV epidemics.
口蹄疫病毒(FMDV)是小核糖核酸病毒科Aphthovirus属的一员,影响野生和家养反刍动物和猪。在FMDV RNA(核糖核酸)基因组复制过程中,FMDV编码RNA聚合酶3D以高度位置特异性的方式起作用。这表明FMDV基因组非编码区域内3D聚合酶识别的特定RNA结构有助于在复制过程中结合。其中一个区域是顺式作用复制元件(CRE),它的功能是作为RNA复制的模板。FMDV CRE采用具有扩展双茎的茎环构象,支持一个新的15-17个核苷酸环,该环从碱基堆叠相互作用中获得稳定性,CRE的确切RNA核苷酸序列产生不同的RNA二级结构。在这里,我们发现2010年至2017年在韩国分离的fmdv的CRE序列表现为A和O基因型。有趣的是,韩国FMDV RNA二级结构的变化与这些病毒之间的系统发育关系是一致的,并揭示了FMDV感染对特定宿主物种的特异性。因此,我们得出结论,韩国FMDV的每个遗传分支都具有独特的功能CRE,并且新遗传谱系的进化成功可能与新的CRE基序的发明有关。因此,我们提出CRE的特定RNA结构是FMDV根据宿主物种分类的附加标准。这些发现将有助于正确分析CRE序列,并指出未来FMDV流行的宿主物种特异性。
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引用次数: 0
QTL Analysis of Rice Heading-related Genes Using Cheongcheong/Nagdong Doubled Haploid Genetic Map 利用清清/陇东双单倍体遗传图谱对水稻抽穗相关基因进行QTL分析
Pub Date : 2020-01-01 DOI: 10.5352/JLS.2020.30.10.844
Yoon-Hee Jang, Jae-Ryoung Park, Kyung-Min Kim
Disaster-related extreme weather is rapidly increasing due to climate change. In Korea, typhoons accompanied by rainfall usually approach in August and September, causing great damage. The purpose of this study is to find a gene that regulates the heading date of rice in order to avoid loss of harvest from climate change and typhoons. Cheongcheong/Nagdong doubled haploid (CNDH) was used as the plant material to investigate the location of heading-related genes using QTL and sequence analysis by cloning the gene. In the distribution chart, the heading dates, culm lengths, panicle lengths, numbers of panicles, and 1,000-grain weights all have normal distributions. QTL analysis found 13 contigs on chromosome 8. One QTL, named qHd8, was detected on chromosome 8. The range at qHd8 was approximately 7.7 cM, with RM72 and RM404 markers near the peak. There were 13 contigs and 1 ORF. Protein sequence analysis showed that rice was similar to Os08g0341700, AtSFH13, and AtSFH7 proteins. Os08g0341700, which is involved in signal transduction, is similar to phosphatidylinositol transfer-like protein II, and complete information is not available, but it is believed to play a role in the phosphatidylinositol-specific signaling pathway related to Sec14P.
由于气候变化,与灾害有关的极端天气正在迅速增加。在韩国,台风通常在8月和9月来临,并伴有降雨,造成很大的损失。本研究的目的是寻找一种调节水稻抽穗日期的基因,以避免气候变化和台风造成的收成损失。以清清/陇东双单倍体(CNDH)为材料,克隆该基因,利用QTL和序列分析对抽头相关基因进行定位。在分布图中,抽穗期、茎长、穗长、穗数、千粒重均呈正态分布。QTL分析发现8号染色体上有13个contigs。在8号染色体上检测到1个QTL,命名为qHd8。qHd8的范围约为7.7 cM, RM72和RM404标记在峰值附近。有13个contigs和1个ORF。蛋白质序列分析显示,水稻与Os08g0341700、AtSFH13和AtSFH7蛋白相似。参与信号转导的Os08g0341700与磷脂酰肌醇转移样蛋白II相似,没有完整的信息,但被认为在与Sec14P相关的磷脂酰肌醇特异性信号通路中发挥作用。
{"title":"QTL Analysis of Rice Heading-related Genes Using Cheongcheong/Nagdong Doubled Haploid Genetic Map","authors":"Yoon-Hee Jang, Jae-Ryoung Park, Kyung-Min Kim","doi":"10.5352/JLS.2020.30.10.844","DOIUrl":"https://doi.org/10.5352/JLS.2020.30.10.844","url":null,"abstract":"Disaster-related extreme weather is rapidly increasing due to climate change. In Korea, typhoons accompanied by rainfall usually approach in August and September, causing great damage. The purpose of this study is to find a gene that regulates the heading date of rice in order to avoid loss of harvest from climate change and typhoons. Cheongcheong/Nagdong doubled haploid (CNDH) was used as the plant material to investigate the location of heading-related genes using QTL and sequence analysis by cloning the gene. In the distribution chart, the heading dates, culm lengths, panicle lengths, numbers of panicles, and 1,000-grain weights all have normal distributions. QTL analysis found 13 contigs on chromosome 8. One QTL, named qHd8, was detected on chromosome 8. The range at qHd8 was approximately 7.7 cM, with RM72 and RM404 markers near the peak. There were 13 contigs and 1 ORF. Protein sequence analysis showed that rice was similar to Os08g0341700, AtSFH13, and AtSFH7 proteins. Os08g0341700, which is involved in signal transduction, is similar to phosphatidylinositol transfer-like protein II, and complete information is not available, but it is believed to play a role in the phosphatidylinositol-specific signaling pathway related to Sec14P.","PeriodicalId":16322,"journal":{"name":"Journal of Life Science","volume":"15 1","pages":"844-850"},"PeriodicalIF":0.0,"publicationDate":"2020-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88813934","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Inhibitory Effects of Loranthus Parasiticus Extract on Carbohydrate Digestive Enzymes and Postprandial Hyperglycemia 寄生蜂提取物对碳水化合物消化酶和餐后高血糖的抑制作用
Pub Date : 2020-01-01 DOI: 10.5352/JLS.2020.30.1.18
Min-jung Park, Jae-Eun Park, Ji-Sook Han
This study was designed to investigate whether Loranthus parasiticus extract (LPE) could inhibit the activities of carbohydrate digestive enzymes and alleviate postprandial hyperglycemia in diabetic mice. Lyophilized L. parasiticus was extracted with 80% ethanol and concentrated. The inhibitory effects of LPE on carbohydrate digestive enzymes were evaluated by examining α-glucosidase and αamylase, and it was seen to inhibit the activities of both enzymes in a dose-dependent manner. More specifically, the IC50 values of LPE against α-glucosidase and α-amylase were 0.121±0.007 and 0.157± 0.004 mg/ml, respectively, significantly lower than those of acarbose, showing that LPE has stronger inhibitory effects than the positive control. These results suggest that LPE strongly inhibits the activities of these digestive enzymes. Blood glucose levels in the control group of diabetic mice increased to 490.00±28.52 mg/dl and 474.60±25.30 mg/dl at 60 and 120 min after a meal, respectively. However, when LPE was added to starch, postprandial blood glucose levels were significantly reduced (463.0±23.73 and 418.5±24.50 mg/dl at 60 and 120 min, respectively; p<0.05). The area under the curve also significantly decreased following administration of LPE, with no cytotoxicity. These results therefore indicate that LPE could be used as an α-glucosidase and α-amylase inhibitor and delay carbohydrate digestion and, thus, glucose absorption after a meal.
本实验旨在探讨寄生萝兰提取物(LPE)是否能抑制糖尿病小鼠碳水化合物消化酶活性,缓解餐后高血糖。用80%乙醇提取冻干的寄生乳杆菌,并进行浓缩。通过α-葡萄糖苷酶和α淀粉酶的检测,研究了LPE对碳水化合物消化酶的抑制作用,发现LPE对α-葡萄糖苷酶和α淀粉酶的抑制作用呈剂量依赖性。具体而言,LPE对α-葡萄糖苷酶和α-淀粉酶的IC50值分别为0.121±0.007和0.157±0.004 mg/ml,显著低于阿卡波糖,表明LPE对α-葡萄糖苷酶和α-淀粉酶的抑制作用强于阳性对照。这些结果表明,LPE对这些消化酶的活性有较强的抑制作用。对照组糖尿病小鼠的血糖水平在餐后60min和120min分别升高至490.00±28.52 mg/dl和474.60±25.30 mg/dl。而在淀粉中添加LPE后,60 min和120 min餐后血糖水平分别显著降低(463.0±23.73和418.5±24.50 mg/dl);p < 0.05)。在给予LPE后,曲线下的面积也显著减少,无细胞毒性。因此,LPE可以作为α-葡萄糖苷酶和α-淀粉酶抑制剂,延缓碳水化合物的消化,从而延缓餐后葡萄糖的吸收。
{"title":"Inhibitory Effects of Loranthus Parasiticus Extract on Carbohydrate Digestive Enzymes and Postprandial Hyperglycemia","authors":"Min-jung Park, Jae-Eun Park, Ji-Sook Han","doi":"10.5352/JLS.2020.30.1.18","DOIUrl":"https://doi.org/10.5352/JLS.2020.30.1.18","url":null,"abstract":"This study was designed to investigate whether Loranthus parasiticus extract (LPE) could inhibit the activities of carbohydrate digestive enzymes and alleviate postprandial hyperglycemia in diabetic mice. Lyophilized L. parasiticus was extracted with 80% ethanol and concentrated. The inhibitory effects of LPE on carbohydrate digestive enzymes were evaluated by examining α-glucosidase and αamylase, and it was seen to inhibit the activities of both enzymes in a dose-dependent manner. More specifically, the IC50 values of LPE against α-glucosidase and α-amylase were 0.121±0.007 and 0.157± 0.004 mg/ml, respectively, significantly lower than those of acarbose, showing that LPE has stronger inhibitory effects than the positive control. These results suggest that LPE strongly inhibits the activities of these digestive enzymes. Blood glucose levels in the control group of diabetic mice increased to 490.00±28.52 mg/dl and 474.60±25.30 mg/dl at 60 and 120 min after a meal, respectively. However, when LPE was added to starch, postprandial blood glucose levels were significantly reduced (463.0±23.73 and 418.5±24.50 mg/dl at 60 and 120 min, respectively; p<0.05). The area under the curve also significantly decreased following administration of LPE, with no cytotoxicity. These results therefore indicate that LPE could be used as an α-glucosidase and α-amylase inhibitor and delay carbohydrate digestion and, thus, glucose absorption after a meal.","PeriodicalId":16322,"journal":{"name":"Journal of Life Science","volume":"39 1","pages":"18-25"},"PeriodicalIF":0.0,"publicationDate":"2020-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90962756","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Application of the CRISPR/Cas System for Point-of-care Diagnosis of Cattle Disease CRISPR/Cas系统在牛疾病即时诊断中的应用
Pub Date : 2020-01-01 DOI: 10.5352/JLS.2020.30.3.313
Wonhee Lee, Yoonseok Lee
{"title":"Application of the CRISPR/Cas System for Point-of-care Diagnosis of Cattle Disease","authors":"Wonhee Lee, Yoonseok Lee","doi":"10.5352/JLS.2020.30.3.313","DOIUrl":"https://doi.org/10.5352/JLS.2020.30.3.313","url":null,"abstract":"","PeriodicalId":16322,"journal":{"name":"Journal of Life Science","volume":"6 1","pages":"313-319"},"PeriodicalIF":0.0,"publicationDate":"2020-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80526182","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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Journal of Life Science
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