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关节处软骨细胞由于缺乏血供和神经支配,自我修复能力有限。这使得临床上关节软骨的再生是一个巨大挑战。细胞疗法被认为是修复受损关节软骨的重要方法。骨髓间充质干细胞由于其多向分化潜能和免疫调节能力,已成为关节软骨修复的潜在治疗手段。临床实验证明这类间充质干细胞对软骨类疾病具有一定的改善。但是这些干细胞往往形成纤维软骨或者在修复过程中展示出副作用,且在体外扩培的过程中容易衰老,其分化潜能会因为患者衰老而减...
A newly identified stem cell regulator enables lifelong sperm production(图)
干细胞调节器 干细胞更新因子 细胞工程
2023/7/10
印第安纳大学医学院的研究人员成功地将中枢神经系统中的一种胶质细胞重新编程为新的神经元,以促进脊髓损伤后的恢复——揭示了利用这种细胞进行再生医学的尚未开发的潜力。
研究小组于 3 月 5 日在《Cell Stem Cell》杂志上发表了他们的研究结果。这是科学家首次报道在脊髓损伤后将 NG2 胶质细胞(中枢神经系统中的一种支持细胞)改造成功能性神经元。
NSF-funded researchers have created better biosensor technology using a newly developed instrument that may lead to safe stem cell therapies for treating Alzheimer's and Parkinson's diseases and other...
You’d Have To Be A Genius:The Problem With 'Brilliance' And Stem Participation(图)
Genius Brilliance Stem Participation
2018/1/31
Why do large gender disparities exist in certain fields but not others? Research suggests that many factors perpetuate gender disparities, including implicit and explicit biases, a lack of role models...
Can early experiences with computers,robots increase STEM interest among young girls?
early experiences computers robots STEM interest young girls
2017/7/19
Girls start believing they aren’t good at math, science and even computers at a young age — but providing fun STEM activities at school and home may spark interest and inspire confidence.A study from ...
Video showcase returns,spotlighting 155 NSF-funded STEM education projects
Video showcase returns 155 NSF-funded STEM education projects
2017/7/20
This week, STEM for All Video Showcase returns for its third year of highlighting innovative federally funded research that improves education in science, technology, engineering and mathematics (STEM...
Super Resolution Imaging Helps Determine a Stem Cell’s Future
Super Resolution Imaging Stem Cell Future
2017/3/14
Scientists at Rutgers and other universities have created a new way to identify the state and fate of stem cells earlier than previously possible.Understanding a stem cell’s fate – the type...
Stem Cells Step Forward
Stem Cells Step Forward
2017/3/13
Researchers at Harvard Medical School and Boston Children’s Hospital were able, for the first time, to use patients’ own cells to create cells similar to those in bone marrow and then use them to iden...
Talking to children about STEM fields boosts test scores and career interest
Talking to children STEM fields test scores career interest
2017/2/16
A new study finds parents who talk with their high schoolers about the relevance of science and math can increase competency and career interest in the fields.
The findings, published Jan. 17 in...
Researchers use stem cells to regenerate the external layer of a human heart
Researchers stem cells regenerate the external layer human heart
2017/2/16
A process using human stem cells can generate the cells that cover the external surface of a human heart — epicardium cells — according to a multidisciplinary team of researchers."In 2012, we discover...
NSF awards $61 million in new projects to enhance understanding of STEM education and workforce development
NSF $61 million STEM education workforce development
2016/12/13
To continue to achieve nationwide excellence in science, technology, engineering and mathematics (STEM) education and workforce development, the National Science Foundation (NSF) has invested $61 mill...
Why do some STEM fields have fewer women than others?UW study may have the answer
STEM fields fewer women UW study the answer
2016/11/4
Women’s relative lack of participation in science, technology, engineering and math is well documented, but why women are more represented in some STEM areas than others is less clear.A new University...
'Belonging' can help keep talented female students in STEM classes
Belonging talented female students STEM classes
2016/9/12
Many women working in science, technology, engineering and mathematics (STEM) have faced a common experience at some point during their college days -- they walked into a classroom and found that they...