Background:Male infertility is an important issue that causes low production in the animal industry.To solve the male fertility crisis in the animal industry,the prediction of sperm quality is the most important step....Background:Male infertility is an important issue that causes low production in the animal industry.To solve the male fertility crisis in the animal industry,the prediction of sperm quality is the most important step.Sperm RNA is the potential marker for male fertility prediction.We hypothesized that the expression of functional genes related to fertilization will be the best target for male fertility prediction markers.To investigate optimum male fertility prediction marker,we compared target genes expression level and a wide range of field data acquired from artificial insemination of boar semen.Results:Among the genes related to acrosomal vesicle exocytosis and sperm–oocyte fusion,equatorin(EQTN),zona pellucida sperm-binding protein 4(ZP4),and sperm acrosome membrane-associated protein 3 exhibited high accuracy(70%,90%,and 70%,respectively)as markers to evaluate male fertility.Combinations of EQTN-ZP4,ZP4-protein unc-13 homolog B,and ZP4-regulating synaptic membrane exocytosis protein 1(RIMS1)showed the highest prediction value,and all these markers are involved in the acrosome reaction.Conclusion:The EQTN-ZP4 model was efficient in clustering the high-fertility group and may be useful for selection of animal that has superior fertility in the livestock industry.Compared to the EQTN-ZP4 model,the ZP4-RIMS1 model was more efficient in clustering the low-fertility group and may be useful in the diagnosis of male infertility in humans and other animals.The appointed translational animal model and established biomarker combination can be widely used in various scientific fields such as biomedical science.展开更多
We have yet to develop a fundamental understanding of the molecular complexities of human spermatozoa.This encompasses the unique packaging and structure of the sperm genome along with their paternally derived RNAs in...We have yet to develop a fundamental understanding of the molecular complexities of human spermatozoa.This encompasses the unique packaging and structure of the sperm genome along with their paternally derived RNAs in preparation for their delivery to the egg.The diversity of these transcripts is vast,including several anti-sense mol- ecules resembling known regulatory micro-RNAs.The field is still grasping with its delivery to the oocyte at fertiliza- tion and possible significance.It remains tempting to analogize them to maternally-derived transcripts active in early embryo patterning.Irrespective of their role in the embryo,their use as a means to assess male factor infertility is promising.展开更多
目的:人类精子所含RNA极少量,且由于精子中圆形细胞存在,使得分离精子RNA具有一定的挑战性。本研究旨在优化人类精子RNA的提取方案。方法:利用40%的单层梯度液及精子洗涤液纯化精子,使用TRIzol试剂和RNeasy Mini Kit提取RNA,反转录精子R...目的:人类精子所含RNA极少量,且由于精子中圆形细胞存在,使得分离精子RNA具有一定的挑战性。本研究旨在优化人类精子RNA的提取方案。方法:利用40%的单层梯度液及精子洗涤液纯化精子,使用TRIzol试剂和RNeasy Mini Kit提取RNA,反转录精子RNA,以cDNA为模板扩增PRM2、c-Kit、CD45、CDH1基因来确定所提精子RNA中是否存在基因组DNA或体细胞RNA的污染。结果:利用3倍体积的40%单层梯度液及精子洗涤液可以完全去除精液中体细胞的污染,利用TRIzol试剂提取RNA比RNeasy Mini Kit更有效。结论:人类精子中含有微量RNA,此方法既经济又有效,可以提取高质量的精子RNA,为人类男性生殖的功能基因组研究奠定基础。展开更多
Background:Sperm quality evaluation is the logical first step in increasing field fertility.Spermatozoa contain cytoplasmic organelles and biomolecules known as sperm-intrinsic factors,which play key roles in sperm ma...Background:Sperm quality evaluation is the logical first step in increasing field fertility.Spermatozoa contain cytoplasmic organelles and biomolecules known as sperm-intrinsic factors,which play key roles in sperm maturation,sperm-oocyte fusion,and embryo development.In particular,sperm membrane proteins[e.g.,arginine vasopressin receptor 2,beta-actin,prohibitin,and heat shock protein family D member 1(HSPD1)]and RNA could be used as functional indicators of male fertility.We sought to clarify the effects of differential mRNA expression of selected genes on several fertilisation parameters,including sperm motility,motion kinematics,capacitation,and litter size,in a porcine model.Results:Our results demonstrated that HSPD1 expression was significantly correlated with male fertility,as measured by the litter size of inseminated sows.The expression of HSPD1 mRNA was linked to sperm motility and other motion kinematic characteristics.Furthermore,HSPD1 had a 66.7%overall accuracy in detecting male fertility,and the high-litter size group which was selected with the HSPD1 marker had a 1.34 greater litter size than the lowlitter size group.Conclusions:Our findings indicate that HSPD1 might be a helpful biomarker for superior boar selection for artificial insemination,which could boost field fertility.展开更多
基金supported by the Basic Science Research Program through the National Research Foundation of Korea(NRF),funded by the Ministry of Education(NRF-2018R1A6A1A03025159).
文摘Background:Male infertility is an important issue that causes low production in the animal industry.To solve the male fertility crisis in the animal industry,the prediction of sperm quality is the most important step.Sperm RNA is the potential marker for male fertility prediction.We hypothesized that the expression of functional genes related to fertilization will be the best target for male fertility prediction markers.To investigate optimum male fertility prediction marker,we compared target genes expression level and a wide range of field data acquired from artificial insemination of boar semen.Results:Among the genes related to acrosomal vesicle exocytosis and sperm–oocyte fusion,equatorin(EQTN),zona pellucida sperm-binding protein 4(ZP4),and sperm acrosome membrane-associated protein 3 exhibited high accuracy(70%,90%,and 70%,respectively)as markers to evaluate male fertility.Combinations of EQTN-ZP4,ZP4-protein unc-13 homolog B,and ZP4-regulating synaptic membrane exocytosis protein 1(RIMS1)showed the highest prediction value,and all these markers are involved in the acrosome reaction.Conclusion:The EQTN-ZP4 model was efficient in clustering the high-fertility group and may be useful for selection of animal that has superior fertility in the livestock industry.Compared to the EQTN-ZP4 model,the ZP4-RIMS1 model was more efficient in clustering the low-fertility group and may be useful in the diagnosis of male infertility in humans and other animals.The appointed translational animal model and established biomarker combination can be widely used in various scientific fields such as biomedical science.
文摘We have yet to develop a fundamental understanding of the molecular complexities of human spermatozoa.This encompasses the unique packaging and structure of the sperm genome along with their paternally derived RNAs in preparation for their delivery to the egg.The diversity of these transcripts is vast,including several anti-sense mol- ecules resembling known regulatory micro-RNAs.The field is still grasping with its delivery to the oocyte at fertiliza- tion and possible significance.It remains tempting to analogize them to maternally-derived transcripts active in early embryo patterning.Irrespective of their role in the embryo,their use as a means to assess male factor infertility is promising.
文摘目的:人类精子所含RNA极少量,且由于精子中圆形细胞存在,使得分离精子RNA具有一定的挑战性。本研究旨在优化人类精子RNA的提取方案。方法:利用40%的单层梯度液及精子洗涤液纯化精子,使用TRIzol试剂和RNeasy Mini Kit提取RNA,反转录精子RNA,以cDNA为模板扩增PRM2、c-Kit、CD45、CDH1基因来确定所提精子RNA中是否存在基因组DNA或体细胞RNA的污染。结果:利用3倍体积的40%单层梯度液及精子洗涤液可以完全去除精液中体细胞的污染,利用TRIzol试剂提取RNA比RNeasy Mini Kit更有效。结论:人类精子中含有微量RNA,此方法既经济又有效,可以提取高质量的精子RNA,为人类男性生殖的功能基因组研究奠定基础。
基金supported by the Basic Science Research Program through the National Research Foundation of Korea(NRF),funded by the Ministry of Education(NRF-2018R1A6A1A03025159).
文摘Background:Sperm quality evaluation is the logical first step in increasing field fertility.Spermatozoa contain cytoplasmic organelles and biomolecules known as sperm-intrinsic factors,which play key roles in sperm maturation,sperm-oocyte fusion,and embryo development.In particular,sperm membrane proteins[e.g.,arginine vasopressin receptor 2,beta-actin,prohibitin,and heat shock protein family D member 1(HSPD1)]and RNA could be used as functional indicators of male fertility.We sought to clarify the effects of differential mRNA expression of selected genes on several fertilisation parameters,including sperm motility,motion kinematics,capacitation,and litter size,in a porcine model.Results:Our results demonstrated that HSPD1 expression was significantly correlated with male fertility,as measured by the litter size of inseminated sows.The expression of HSPD1 mRNA was linked to sperm motility and other motion kinematic characteristics.Furthermore,HSPD1 had a 66.7%overall accuracy in detecting male fertility,and the high-litter size group which was selected with the HSPD1 marker had a 1.34 greater litter size than the lowlitter size group.Conclusions:Our findings indicate that HSPD1 might be a helpful biomarker for superior boar selection for artificial insemination,which could boost field fertility.
