engrailed基因属于同源异形基因家族成员,在许多动物的分节、附肢发育、神经系统发育和贝壳形成过程中发挥作用。本研究克隆了长牡蛎两个engrailed同源基因,命名为cgi-eng1和cgi-eng2。序列分析表明,两个基因均具备典型engrailed基因保...engrailed基因属于同源异形基因家族成员,在许多动物的分节、附肢发育、神经系统发育和贝壳形成过程中发挥作用。本研究克隆了长牡蛎两个engrailed同源基因,命名为cgi-eng1和cgi-eng2。序列分析表明,两个基因均具备典型engrailed基因保守的5个EH结构域。利用整装原位杂交技术检测了cgi-eng1和cgi-eng2在贝壳形成的关键时期早期D形幼虫时期的表达情况。结果显示,cgi-eng1和cgi-eng2 m RNA高表达于贝壳外缘,可能与早期贝壳形成过程有关。此外,两个基因的在贝壳外缘的表达模式亦有区别,提示两个基因的功能可能存在一定程度的分化。本研究首次系统鉴定了长牡蛎engrailed基因的成员,并发现它们可能均参与幼虫贝壳形成,研究结果有助于加深对贝类早期发育及贝壳形成的理解。展开更多
Hypertrophic scar and keloid are a major medical problem,which may lead to disfigurement,growth restriction,and permanent loss of function,causing severe physical,psychological,and economic burdens.1 When skin injury ...Hypertrophic scar and keloid are a major medical problem,which may lead to disfigurement,growth restriction,and permanent loss of function,causing severe physical,psychological,and economic burdens.1 When skin injury occurs,the wound heals through a dynamic series of physiological events,including blood clotting,granulation tissue formation,re-epithelialization,and extracellular matrix remodeling.2 However,the newly formed extracellular matrix in a scar may never achieve the flexibility or strength of the original tissue.展开更多
基金supported by grants from The National Hi-Tech Research and Development Program of China (2006AA09Z413,2006AA09Z441, 2006AA10A415)The National Natural Science Foundation of China (30530600)Key Project of Chinese Nationa lPrograms for Fundamental Research and Development (2010C13126405)~~
文摘engrailed基因属于同源异形基因家族成员,在许多动物的分节、附肢发育、神经系统发育和贝壳形成过程中发挥作用。本研究克隆了长牡蛎两个engrailed同源基因,命名为cgi-eng1和cgi-eng2。序列分析表明,两个基因均具备典型engrailed基因保守的5个EH结构域。利用整装原位杂交技术检测了cgi-eng1和cgi-eng2在贝壳形成的关键时期早期D形幼虫时期的表达情况。结果显示,cgi-eng1和cgi-eng2 m RNA高表达于贝壳外缘,可能与早期贝壳形成过程有关。此外,两个基因的在贝壳外缘的表达模式亦有区别,提示两个基因的功能可能存在一定程度的分化。本研究首次系统鉴定了长牡蛎engrailed基因的成员,并发现它们可能均参与幼虫贝壳形成,研究结果有助于加深对贝类早期发育及贝壳形成的理解。
基金supported in part by research grants from the Natural Science Foundation of China(No.82102696 to J.F.)the Chongqing Natural Science Foundation of China(No.2024NSCQ-MSX0073 to J.F.)+1 种基金the US National Institutes of Health(No.CA226303 to T.C.H.DE030480 to R.R.R.).
文摘Hypertrophic scar and keloid are a major medical problem,which may lead to disfigurement,growth restriction,and permanent loss of function,causing severe physical,psychological,and economic burdens.1 When skin injury occurs,the wound heals through a dynamic series of physiological events,including blood clotting,granulation tissue formation,re-epithelialization,and extracellular matrix remodeling.2 However,the newly formed extracellular matrix in a scar may never achieve the flexibility or strength of the original tissue.
