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Enhancement of porcine in vitro embryonic development through luteolin‑mediated activation of the Nrf2/Keap1 signaling pathway

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Journal of Animal Science and Biotechnology 2024年第2期15卷 600-613页

作者： Se-Been Jeon Pil-Soo Jeong Min Ju Kim Hyo-Gu Kang Bong-Seok Song Sun-Uk Kim Seong-Keun Cho Bo-Woong Sim Futuristic Animal Resource&research Center(FARRC) Korea Research Institute of Bioscience and Biotechnology(KRIBB)Cheongju 28116Republic of Korea Department of Animal Science College of Natural Resources&Life SciencePusan National UniversityMiryang 50463Republic of Korea Department of Animal Science and Biotechnology College of Agriculture and Life ScienceChungnam National UniversityDaejeon 34134Republic of Korea Department of Functional Genomics University of Science and TechnologyDaejeon 34113Republic of Korea Department of Animal Science Life and Industry Convergence Research Institute(RICRI)College of Natural Resources&Life SciencePusan National UniversityMiryang 50463Republic of Korea

Background Oxidative stress,caused by an imbalance in the production and elimination of intracellular reactive oxygen species(ROS),has been recognized for its detrimental effects on mammalian embryonic ***(Lut)has been documented for its protective effects against oxidative stress in various ***,its specific role in embryonic development remains *** study aims to investigate the influence of Lut on porcine embryonic development and to elucidate the underlying *** After undergoing parthenogenetic activation(PA)or in vitro fertilization,embryos supplemented with 0.5μmol/L Lut displayed a significant enhancement in cleavage and blastocyst formation rates,with an increase in total cell numbers and a decrease in the apoptosis rate compared to the *** on D2 and D6 revealed that embryos with Lut supplementation had lower ROS levels and higher glutathione levels compared to the ***,Lut supplementation significantly augmented mitochondrial content and membrane ***,activation of the Nrf2/Keap1 signaling pathway was observed in embryos supplemented with Lut,leading to the upregulation of antioxidant-related gene transcription *** further validate the relationship between the Nrf2/Keap1 signaling pathway and effects of Lut in porcine embryonic development,we cultured PA embryos in a medium supplemented with brusatol,with or without the inclusion of *** positive effects of Lut on developmental competence were negated by brusatol *** Our findings indicate that Lut-mediated activation of the Nrf2/Keap1 signaling pathway contributes to the enhanced production of porcine embryos with high developmental competence,and offers insight into the mechanisms regulating early embryonic development.

关键词： Luteolin Mitochondrial function Nrf2/Keap1 signaling pathway Oxidative stress Porcine embryo development

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Positive regulation of cell proliferation by the miR-1290-EHHADH axis in hepatocellular carcinoma

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Cancer Communications 2024年第6期44卷 705-709页

作者： Jinkwon Lee Gyeonghwa Kim Tae-Su Han Eunsun Jung Taesang Son Kwangho Kim Kiyoon Kwon Yuna Roh Tae Young Ryu In Hwan Tae Yunsang Kang Byungheon Lee Yu Rim Lee Soo Young Park Won Young Tak Dae-Soo Kim Mi-Young Son Keun Hur Hyun-Soo Cho Stem Cell Convergence research Center Korea Research Institute of Bioscience and BiotechnologyDaejeonRepublic of Korea Department of Bioscience Korea University of Science and TechnologyDaejeonRepublic of Korea Department of Biochemistry and Cell Biology School of MedicineKyungpook National UniversityDaeguRepublic of Korea Department of Biological Science Sungkyunkwan UniversitySuwonRepublic of Korea Department of Internal Medicine School of MedicineKyungpook National University HospitalDaeguRepublic of Korea Department of Biomedical Convergence Science and Technology School of ConvergenceKyungpook National UniversityDaeguRepublic of Korea

Hepatocellular carcinoma(HCC)is the second most common cancer and the third leading cause of cancer-related death worldwide[1].Recently,HCC incidence and mortality rates have further increased due to changes in the global social environment and dietary habits[2].HCC is treated by surgical resection or combination chemotherapy,but the overall survival rate of HCC patients has not improved,and the recurrence rate is still high due to strong invasiveness and resistance to chemotherapy[3].

关键词： chemotherapy mortality cancer

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Characterization of transgenic mice expressing EGFP under the control of the monkey 20α-hydroxysteroid dehydrogenase promoter

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Science China(Life Sciences) 2018年第8期61卷 966-974页

作者： Chae-Won Park Seong-Keun Jeong Tsevelmaa Nanjidsuren Munkhzaya Byambaragchaa Myung-Hwa Kang Bo-Woong Sim Kwan-Sik Min Animal Biotechnology Graduate School of Future Convergence Technology Department of Animal Life Science Institute of Genetic Engineering Hankyong National University Department of Food Science and Nutrition Hoseo University National Primate research Center Korea Research Institute of Bioscience and Biotechnology

To directly assess the molecular function of the monkey 20α-hydroxysteroid dehydrogenase （20α-HSD） promoter, we generated transgenic mice （tg） expressing enhanced green fluorescent protein （EGFP） under control of this promoter. We demonstrated that prostaglandin F2α induced 20α-HSD promoter activity in CHO cells in a dose-dependent manner. Furthermore, forskolin treatment markedly reduced 20α-HSD promoter activity, and prolactin exhibited weak inhibitory activity. The transgenic mouse obtained one positive founder male. The transgene was propagated in 10 successive generations without any notable defects to the progeny. EGFP and 20α-HSD in the tg mice were colocalized in the luteal cells of the ovary during late pregnancy. Strong EGFP and 20et-HSD protein signals were also detected in the adult testis. Immtmohistochemical analysis revealed high EGFP levels in the seminiferous epithelium, whereas 20α-HSD was expressed in the seminiferous tubules. Our data suggest that the ovaries in monkey and mouse exhibit similar expression patterns of 20α-HSD during pregnancy. However, the expression pattern of EGFP in tg mice testis slightly differed from that of the endogenous 20α-HSD. Further investigation is required to elucidate the functional mechanisms underlying regulation of the monkey 20α-HSD promoter in the tg mice.

关键词： transgenic mice EGFP monkey 20α-HSD promoter

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Direct modification of spermatogonial stem cells using lentivirus vectors in vivo leads to efficient generation of transgenic rats

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Asian Journal of Andrology 2019年第2期21卷 190-195页

作者： Bang-Jin Kim Yong-Hee Kim Myeong-Geun Oh Ki-Jung Kim Sang-Eun Jung Ju-Hee Jin Sun-Uk Kim Kwan-Sik Min Buom-Yong Ryu Department of Animal Scienee and Technology College of Biotechnology and Natural ResourcesChung-Ang UniversityAnseongGyeonggi-do 17546Korea National Primate research Center Korea Research Institute of Bioscienee and BiotechnologyCheongjuChungcheongbuk-do 28116Korea Futuristic Animal Resource and research Center Korea Research Institute of Bioscience and BiotechnologyCheongjuChungcheongbuk-do 28116Korea Animal Biotechnology Graduate School of Future Con verge nee Tech no logyDepartment of Animal Life ScienceInstitute of Genetic Engi neeringHankyong National UniversityAnseongGyeon ggi-do 17579Korea Department of Cancer Biology University of PennsylvaniaPhiladelphiaPA 19104USA.

Spermatogonial stem cells(SSCs)transmit genetic information to the next progeny in ***,SSCs are a potential target for germ I i ne modifications to gen erate tran sgenic an *** this study,we report a technique for the gen erati on of tran sgenic rats by in vivo manipulation of SSCs with a high success *** in juvenile rats were transduced in vivo with high titers of lentivirus harbori ng enhan ced green fluoresce nt protei n and mated with wild-type females to create foun der *** founder rats expressed the transgene and passed on the transgene with an overall success rate of 50.0%.Subsequent generations of progeny from the founder rats both expressed and passed on the ***,direct modification of SSCs in juvenile rats is an effective means of generating transgenic rats through the male *** technology could be adapted to larger animals,in which existing methods for gene modificatio n are in adequate or in applicable,resulti ng in the gen eration of tran sge nic an imals in a variety of species.

关键词： germline modification lentivirus spermatogonial stem cell testis transgenic animal

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Circulating miRNAs in Ageing and Ageing-Related Diseases

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Journal of Genetics and Genomics 2014年第9期41卷 465-472页

作者： Hwa Jin Jung Yousin Suh Department of Genetics and Medicine Albert Einstein College of MedicineBronxNY 11363USA Ageing research Institute Guangdong Medical College

MicroRNAs （miRNAs） are small non-coding RNAs that negatively regulate gene expression at the post-transcriptional level. They are involved in important biological processes including development, homeostasis, and ageing. Recently, extracellular miRNAs have been discovered in the bloodstream and bodily fluids. These miRNAs are shown to be secreted and circulating in microvesicles （MVs）, or in complex with other factors such as RNA-binding proteins and high-density lipoprotein （HDL） particles. These cell-free, circulating miRNAs can be taken into and function as negative regulators of target genes in recipient cells. Here we review the biogenesis and uptake of circulating miRNAs as well as their profiles in ageing and ageing-related diseases. We discuss the emerging role of circulating miRNAs as biomarkers and therapeutic targets.

关键词： Circulating miRNAs Ageing Ageing-related disease Biomarkers

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Anethole improves the developmental competence of porcine embryos by reducing oxidative stress via the sonic hedgehog signaling pathway

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Journal of Animal Science and Biotechnology 2023年第4期14卷 1395-1407页

作者： Ye Eun Joo Pil-Soo Jeong Sanghoon Lee Se-Been Jeon Min-Ah Gwon Min Ju Kim Hyo-Gu Kang Bong-Seok Song Sun-Uk Kim Seong-Keun Cho Bo-Woong Sim Futuristic Animal Resource and research Center Korea Research Institute of Bioscience and BiotechnologyCheongjuSouth Korea Department of Animal Science College of Natural Resources and Life SciencePusan National UniversityMiryangSouth Korea Laboratory of Theriogenology College of Veterinary MedicineChungnam National UniversityDaejeonSouth Korea Department of Biotechnology College of EngineeringDaegu UniversityGyeongsanSouth Korea Department of Animal Science and Biotechnology College of Agriculture and Life ScienceChungnam National UniversityDaejeonSouth Korea Department of Functional Genomics University of Science and TechnologyDaejeonSouth Korea Department of Animal Science College of Natural Resources and Life ScienceLife and Industry Convergence Research InstitutePusan National UniversityMiryangSouth Korea

Background Anethole(AN)is an organic antioxidant compound with a benzene ring and is expected to have a positive impact on early embryogenesis in ***,no study has examined the effect of AN on porcine embryonic ***,we investigated the effect of AN on the development of porcine embryos and the underlying *** We cultured porcine in vitro-fertilized embryos in medium with AN(0,0.3,0.5,and 1 mg/mL)for 6 *** at 0.5 mg/mL significantly increased the blastocyst formation rate,trophectoderm cell number,and cellular survival rate compared to the ***-supplemented embryos exhibited significantly lower reactive oxygen species levels and higher glutathione levels than the ***,AN significantly improved the quantity of mitochondria and mitochondrial membrane potential,and increased the lipid droplet,fatty acid,and ATP ***,the levels of proteins and genes related to the sonic hedgehog(SHH)signaling pathway were significantly increased by *** These results revealed that AN improved the developmental competence of porcine preimplantation embryos by activating SHH signaling against oxidative stress and could be used for large-scale production of high-quality porcine embryos.

关键词： Anethole Lipid metabolism Mitochondrial function Porcine embryo development Sonic hedgehog signaling pathway

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Effects of microalgal polyunsaturated fatty acid oil on body weight and lipid accumulation in the liver of C57BL/6 mice fed a high fat diet

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The Journal of Biomedical research 2016年第3期30卷 234-242页

作者： Ryeo-Eun Go Kyung-A Hwang Geon-Tae Park Hae-Miru Lee Geum-A Lee Cho-Won Kim So-Ye Jeon Jeong-Woo Seo Won-Kyung Hong Kyung-Chul Choi Laboratory of Biochemistry and Immunology College of Veterinary Medicine Chungbuk National University Cheongju Chungbuk ASI/KR/KS001 Republic of Korea Korea research Institute of Bioscience & Biotechnology Jeongup Jeonbuk ASI/KR/KS004 Republic of Korea LED Agri-bio Fusion Technology research Center College of Environmental & Bioresource Science Chonbuk National University Iksan Campus Jeonbuk ASI/KR/KS004 Republic of Korea

Dietary polyunsaturated fatty acids （PUFAs）, which are abundant in marine fish oils, have recently received global attention for their prominent anti-obesogenic effects. Among PUFAs, eicosapentaenoic acid （EPA; 20：5n-3） and docosahexaenoic acid （DHA; 22：6n-3）, which are n-3 long-chain PUFAs widely referred to as omega-3 oils, were reported to prevent the development of obesity in rodents and humans. In the present study, we evaluated the anti-obesity effects of microalgal oil on high-fat induced obese C57BL/6 mice, compared with commercial omega-3 fish oil and vegetable corn oil. Microalgal oil is an inherent mixture of several PUFAs, including EPA, DHA and other fatty acids produced from a marine microalgal strain of Thraustochytriidae sp. derived mutant. It was found to contain more PUFAs （〉80%） and more omega-3 oils than commercial omega-3 fish oil （PUFAs 〉31%） and corn oil （PUFAs 59%）. All three types of oils induced weight loss in high-fat-induced obese mice, with the loss induced by microalgal oil being most significant at 9 weeks （10% reduction）. However, the oils tested did not improve blood lipid levels, although microalgal oil showed an apparent inhibitory effect on lipid accumulation in the liver. These findings may be attributed to the higher PUFA content, including omega-3 oils of microalgal oil than other oils. Collectively, these findings suggest that microalgal oil, derived from Thraustochytriidae sp. derived mutant, is a prominent candidate for replacement of omega-3 fish oils based on its apparent anti-obesity effect in vivo.

关键词： anti-obesity polyunsaturated fatty acid saturated fatty acid omega-3 oil microalgae

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Extracellular nucleoprotein exacerbates influenza viruspathogenesis by activating Toll-like receptor 4 and the NLRP3inflammasome

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Cellular & Molecular Immunology 2022年第6期19卷 715-725页

作者： Chang-Ung Kim Yu-Jin Jeong Pureum Lee Moo-Seung Lee Jong-Hwan Park Young-Sang Kim Doo-Jin Kim Infectious Disease research Center Korea Research Institute of Bioscience and Biotechnology(KRIBB)DaejeonSouth Korea Department of Biochemistry Chungnam National UniversityDaejeonSouth Korea Environmental Diseases research Center Korea Research Institute of Bioscience and Biotechnology(KRIBB)DaejeonSouth Korea University of Science and Technology(UST) DaejeonSouth Korea College of Veterinary Medicine Chonnam National UniversityGwangjuSouth Korea

Host immune responses, such as those initiated by pattern recognition receptor (PRR) activation, are important for viralclearance and pathogenesis. However, little is known about the interactions of viral proteins with surface PRRs or, moreimportantly, the association of innate immune activation with viral pathogenesis. In this study, we showed that internalinfluenza virus proteins were released from infected cells. Among these proteins, nucleoprotein (NP) played a critical role inviral pathogenesis by stimulating neighboring cells through toll-like receptor (TLR)2, TLR4, and the NLR family pyrin domaincontaining 3 (NLRP3) inflammasome. Through the activation of these PRRs, NP induced the production of interleukin (IL)-1β andIL-6, which subsequently led to the induction of trypsin. Trypsin induced by NP increased the infectivity of influenza virus,leading to increases in viral replication and pathology upon subsequent viral infection. These results reveal the role of releasedNP in influenza pathogenesis and highlight the importance of the interactions of internal viral proteins with PRRs in theextracellular compartment during viral pathogenesis.

关键词： Influenza virus Viral protein release Nucleoprotein Toll-like receptor Cyotkine-trypsin cycle

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Sperm hyaluronidase is critical to mammals'fertilization for its ability to disperse cumulus-oocyte complex layer

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Asian Journal of Andrology 2022年第4期24卷 411-415页

作者： Dong-Won Seol Sang Hoon Joo Young-Hyun Kim Bong-Seok Song Bo-Woong Sim Sun-Uk Kim Soojin Park Gabbine Wee Ekyune Kim Laboratory Animal Center Daegu-Gyeongbuk Medical Innovation Foundation(DGMIF)Daegu 41061Korea College of Pharmacy Catholic University of DaeguGyeongbuk 38430Korea National Primate research Center(NPCR) Korea Research Institute of Bioscience and BiotechnologyChungcheongbuk-do 28116Korea Futuristic Animal Resource and research Center Korea Research Institute of Bioscience and BiotechnologyChungcheongbuk-do 28116Korea Department of Biochemistry and Molecular Biology Melvin and Bren Simon Comprehensive Cancer CenterIndiana University School of MedicineIndianapolisIN 46202USA

Glycosylphosphatidylinositol-anchored sperm hyaluronidases have long been believed to assist in sperm penetration through the cumulus-oocyte complex(COC);however,their role in mammalian fertilization remains ***,we have shown that hyaluronidase 5(Hyal5)/Hyal7 double-knockout(dKO)mice produce significantly fewer offspring than their wild-type(WT)counterparts because of defective COC *** infertility is mainly caused by a low sperm *** can be further exacerbated by the deficiency of sperm hyaluronidase,which disperses the cumulus cells of the outer layer of the *** the current study,we evaluated the effects of a low count of Hyal-deficient sperm and conditions of ovulated oocytes on the fertilization rate using a mouse *** results demonstrated that a low sperm count further decreases the in vitro fertilization(IVF)rate of Hyal-deficient dKO *** addition,the dKO spermatozoa resulted in a fertilization rate of 12.5%upon fertilizing COCs with a thick cumulus layer,whereas the IVF rate was comparable to that of WT spermatozoa when oocytes with a thin or no cumulus layer were ***,we proved that the IVF rate of dKO spermatozoa could be recovered by adding rat spermatozoa as a source of sperm *** results suggest that a deficiency of proteins involved in fertilization,such as sperm hyal,has a vital role in fertilization.

关键词： HYAL5 HYAL7 cumulus-oocyte complex fertilization infertility sperm hyaluronidase

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Synthesis,Properties,and Biological Application of Perfect Crystal Gold Nanowires:A Review

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Journal of Materials Science & Technology 2015年第6期31卷 573-580页

作者： Mijeong Kang Hyoban Lee Taejoon Kang Bongsoo Kim Department of Chemistry KAISTDaejeon 305-701Korea BioNanotechnology research Center and BioNano Health Guard research Center

In the last decade,numerous kinds of nanoscale materials have been *** characteristics are critically influenced by their synthetic or fabrication *** this review article,we introduce perfect crystal gold nanowires(Au NWs) synthesized by vapor transport method and summarize their material properties and biological ***-crystalline Au NWs having no defects or twins show unique mechanical,electrical,and electrochemical ***,they are exceptionally competent in penetrating cells or tissues with minimum biological damage and in the electrical analysis and manipulation of biological activities in the cells and/or *** is expected that the Au NWs would give us technological breakthrough in diverse applications such as nanoscale functional components as well as new insights in fundamental material science.

关键词： Nanomaterials Nanostructured metallic materials Na

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