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| 1 | Screening of stable internal reference genes by quantitative real-time PCR in humpback grouper Cromileptes altivelis显示文摘Humpback grouper Cromileptes altivelis is one commercial fish with considerable economic value.To determine the expression stabilities of six commonly used internal reference genes in C.altivelis challenged by Vibrio harveyi and viral nervous necrosis virus(VNNV)through quantitative real-time PCR(qRT-PCR),the expression levels of selected genes in five immune organs stimulated with pathogenic infection were carefully evaluated using algorithms of geNorm,NormFinder,and BestKeeper.The results show that the expre ssion stabilities of the six candidate inte rnal reference genes were diffe re nt.Under no rmal physiological conditions,RPL13 were identified as the most stably expressed genes among five different immune organs(liver,spleen,kidney,intestine,and gill).After V.harveyi stimulation,RPL13,RPL13,EF1 A,RPL13,and EF1 A were identified by geNorm,NormFinder,and BestKeeper as the most stable genes in liver,spleen,kidney,intestine,and gill,respectively.Combining these three algorithms suggested that under stimulation of VNNV,RPL13,EF1 A,Actin,RPL13,and Actin were as the most stable genes in liver,spleen,kidney,intestine,and gill,respectively.These results suggest that specific experiment conditions and tissue types shall be considered when selecting the reference genes in qRT-PCR analysis.This study provided a solid foundation for future studies on gene expression of C.altivelis under different conditions. | Xiaojuan CHEN Yun SUN Panpan ZHANG Jianlong LI Haiping LI Caoying WEI Zhenjie CAO Yongcan ZHOU | 2021 | Journal of Oceanology and Limnology2021，39，5： | 2 |
| 2 | Assessment of internal controls for data normalization of gene expression after different bacterial stimulation by quantitative real-time PCR in golden pompano Trachinotus blochii显示文摘Trachinotus blochii is one of the important commercial fish species.In this study,we aim to confirm the reliability reference genes in T.blochii during different bacterial challenge through quantitative real-time PCR(qRT-PCR).The expression of the seven selected genes in four immune organs(i.e.,spleen,kidney,intestine,and gill)stimulated with Vibrio harveyi,Edwardsiella tarda,and Streptococcus agalactiae were determined by qRT-PCR.The PCR data was analyzed using the geNorm and NormFinder algorithms.The results showed the selection of the internal controls should be tissue specific when studying gene expression in response to bacterial stimulation.After 48 h of stimulation with V.harveyi,geNorm ranked EF1 A/Actin,18 S rRNA/B2M,UBCE/B2M,and 18 S rRNA/B2M,as the most stably expressed genes in spleen,kidney,intestine,and gill,respectively.After 48 h of stimulation with E.tarda,geNorm ranked 18 S rRNA/EF1 A,18 S rRNA/B2M,B2M/RPL13,and 18 S rRNA/EF1 A,as the most stably expressed genes in spleen,kidney,intestine,and gill,respectively.After 48 h of stimulation with S.agalactiae,18 S rRNA/EF1 A,18 S rRNA/B2 M,B2 M/Actin,and 18 S rRNA/B2M were ranked as the most stably expressed genes in spleen,kidney,intestine,and gill,respectively.Compared to the results analyzed by geNorm,reference genes received similar rankings when using NormFinder software.The results showed that the reference genes appeared to be not only tissue specific,but also specific to the infecting species of bacteria.If one gene is preferred when T.blochii were infected by bacteria,18 S rRNA,B2M,B2M,18 S rRNA may be used in spleen,kidney,intestine,and gill,respectively. | CHEN Xiaojuan ZHANG Xiaoqi SUN Yun TU Zhigang CAO Zhenjie WANG Shifeng ZHOU Yongcan | 2020 | Journal of Oceanology and Limnology2020，38，2： | 1 |
| 3 | Computing depth averaged flow using bounda fitted coordinates and staggered grid显示文摘 | Hong Yiping Zhou Xueyi Chen Yongcan | 2000 | Tsinghua Science and Technology2000，5，2： | 1 |
| 4 | Computing Depth-Averaged Flow Using Boundary-Fitted Coordinates and Staggered Grid显示文摘 | Hong Yiping Zhou Xueyi Chen Yongcan | 2000 | Tsinghua Science and Technology2000，5，2： | 1 |
| 5 | Upregulation of β-catenin signaling represents a single common pathway leading to the various phenotypes of spinal degeneration and pain显示文摘Spine degeneration is an aging-related disease,but its molecular mechanisms remain unknown,although elevatedβ-catenin signaling has been reported to be involved in intervertebral disc degeneration.Here,we determined the role ofβ-catenin signaling in spinal degeneration and in the homeostasis of the functional spinal unit(FSU),which includes the intervertebral disc,vertebra and facet joint and is the smallest physiological motion unit of the spine.We showed that pain sensitivity in patients with spinal degeneration is highly correlated withβ-catenin protein levels.We then generated a mouse model of spinal degeneration by transgenic expression of constitutively activeβ-catenin in Col2^(+) cells.We found thatβ-catenin-TCF7 activated the transcription of CCL2,a known critical factor in osteoarthritic pain.Using a lumbar spine instability model,we showed that aβ-catenin inhibitor relieved low back pain.Our study indicates thatβ-catenin plays a critical role in maintaining spine tissue homeostasis,its abnormal upregulation leads to severe spinal degeneration,and its targeting could be an avenue to treat this condition. | Ke Lu Qingyun Wang Hua Jiang Jun Li Zhou Yao Yongcan Huang Jianquan Chen Yejia Zhang Guozhi Xiao Xueyu Hu Zhuojing Luo Liu Yang Liping Tong Di Chen | 2023 | Bone Research2023，11，2： | 0 |
| 6 | Studies on structure and function of digestive system of Cymatium pileare显示文摘The digestive system of Cymatium pileare consists of buccal cavity, oesophagus, stom- ach, intestine, anus, salivary glands and liver. There is a contractible 'Argobuccinum' form proboscis in the anterior extremity of its body, and the buccal cavity lies in the anterior part of the proboscis, with a pair of jaws and a piece of radular ribbon. The jaws have many neatly arraned sickle- shaped sharpen denticles. Its dentition formula of radula is 2- (7) 1’ (5-6) I (5-6) .1 (7) .2. In the middle of oesophagus, there is an expanded crop, which has the function of temporary food stor- age and preliminarily digesting food. The stomach is U-shaped and there are 2 entrances for liver ducts in its ventral side. The intestine is short and can be divided into 2 parts based on the structure of epithelia of their inner walls. The inner wall of foreintestine is stratified columnar epithelium, but the inner wall of hindintestine is pesudostratified columnar epithelium. The salivary gland of C. pileare is toxic gland and the toxin extracted from it plays a great role on its predation. The liver of C. pileare is compound tubuloacinar gland with mitochondrion, rough endoplasmic reticulum, Golgi comples and lysosome in its glandular cells. | Zhou Yongcan, Zeng Shuixiang, Su Yongquan (1. Fishery Department, Hainan University, Haikou 570228, China 2. Oceanology Department, Xiamen University, Xiamen 361005, China) | 2001 | Acta Oceanologica Sinica2001，20，2： | 0 |
| 7 | Function-oriented design:A novel strategy for advanced biomedical materials显示文摘It has always been a dream to construct tissues and even organs for transplantation to replace those with defects caused by diseases or injuries.Tissue engineering is another milestone in the developmental history of life science after cellular and molecular bioscience.Nevertheless,despite decades of rapid de-velopment,tissue-engineered biomaterials have not been widely used clinically.Biomaterials constructed by physical and chemical methods have lots of difficulty in precisely mimicking the macroscopic and mi-croscopic structures of human tissues.The ultimate way to build organoid tissue for regeneration is to enable the cells to take the initiative and build suitable functions.Based on the thoughts of tissue engi-neering,organoid technology holds great potential as a research tool for a wide range of fields,including developmental biology,disease pathology,cell biology,precision medicine,and drug toxicity and efficacy testing.This technology also holds tremendous potential for regenerative medicine,as organoids present the possibility for autologous and allogeneic cell therapy through the replacement of damaged or dis-eased tissues with organoid-propagated tissue or stem cell populations.In this review work,we briefly outlook the development history of organoid technology,summarize the current bottlenecks and the un-derlying reasons,and propose the unified term“function-oriented design in tissue engineering”,a new topic that may provide a solution to overcome these bottlenecks. | Zhiyu Zhou Wentao Wang Jianmin Wang Hongshui Wang Yi Xia Wei Zhang Yuxiao Lai Xiao Lin Yongcan Huang Xuenong Zou Martin J.Stoddart Zhen Li Wei Tian Shaoyu Liu Xinbao Wu Manman Gao Junhong Li Lei Yang Dafu Chen | 2023 | Journal of Materials Science & Technology2023，，14： | 0 |
| 8 | Selection of the appropriate reference genes by quantitative real-time PCR in leopard coral groupers Plectropomus leopardus显示文摘Leopard coral groupers(Plectropomus leopardus),commercially bred in South China,are a significant economical fish species.In this study,by means of quantitative real-time PCR(qRT-PCR)technology,we assessed the stability of six common reference genes expression and selected the appropriate reference genes in leopard coral groupers with or without Vibrio harveyi stimulation at different time points.These data produced by qRT-PCR was handled via the geNorm,NormFinder,and BestKeeper software.The results revealed all the examined reference genes had manifest tissue-specific expression in different tissues.Prior to V.harveyi stimulation,RPL13 gene was the appropriate reference gene among eleven tissue types(blood,spleen,hepatopancreas,kidney,stomach,gill,heart,skin,muscle,intestine,brain)in leopard coral groupers.Under V.harveyi stimulation,the most reliable reference genes varied from tissue to tissue and were closely hinged upon different time points.At 6-h post-bacterial injection,the appropriate reference genes in hepatopancreas,spleen,kidney,and gill were Actin,B2M,UBCE,and Actin,respectively.At 9-and 12-h post-bacterial injection,the appropriate reference genes in hepatopancreas,spleen,kidney,and gill were RPL13,Actin,Actin,and Actin,respectively.If one reference gene was preferable,RPL13,Actin,Actin,and Actin could be selected as the reference gene in hepatopancreas,spleen,kidney,and gill of leopard coral groupers after V.harveyi infection,respectively.Expression profiles of two target genes(IL-6 and NK-lysin)were used to further validate reliability of these selected appropriate candidates.This study will lay a solid foundation for the future research on qRTPCR analysis of gene expression in leopard coral groupers. | Han ZHANG Haoran YANG Pengsuo LI Na ZHAO Xiaojuan CHEN Yongcan ZHOU Zhenjie CAO Yun SUN | 2023 | Journal of Oceanology and Limnology2023，41，3： | 0 |
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