Ben Barres (Stanford) 1: What do reactive astrocytes do?

www.ibiology.org/neuroscience...
Part 1: What do reactive astrocytes do? Ben Barres categorizes two types of reactive astrocytes, A1 and A2, and describes how they affect the fate of neurons after brain injuries
Part 2: Women in Science: Ben Barres discusses the challenges that women face while taking the traditional academic path.
Talk Overview:
Part 1: Astrocytes have diverse roles in the Central Nervous System (CNS), such as providing nutrients to neurons and maintaining the extracellular ion balance. Neurodegeneration and acute brain injuries generate an abnormal increase in the number of astrocytes, also known as reactive astrocytes. Dr. Ben Barres categorizes two types of reactive astrocytes, A1 and A2, and describes how they affect the fate of neurons after brain injuries. Data from his laboratory shows that A2 cells are induced after ischemia (low oxygen), and seem to release factors that could help neuron survival. On the other hand, A1 cells are induced by the immune defense cells, the microglia, and they stimulate neuronal death.
Part 2: Dr. Barres has been a strong advocate for women in science and women’s rights. In this talk, Barres discusses the challenges that women face while taking the traditional academic path. He frames his dialog with examples that illustrate the prevalent sexual harassment that women encounter in their scientific careers, and how the tenure process disadvantages women.
Speaker Biography:
Dr. Ben Barres is a professor at the Neuroscience department at Stanford School of Medicine. Barres earned his BA in biology from MIT, and completed a medical degree at Dartmouth Medical School. He continued his medical training as a neuroscience resident at Cornell University, completed his PhD in Neuroscience at Harvard Medical School, and joined the laboratory of Dr. Martin Raff at University College London for his postdoctoral training. In 1993, Barres joined the faculty of neurobiology at the Stanford School of Medicine, where he has been the chair since 2008.
For over 20 years, Barres has studied the development and function of glial cells and how they interact with neurons in the nervous system. For his scientific contributions, he received the McKnight Investigator Award, the Mika Salpeter Lifetime Achievement Award, and he was elected member of the American Association for the Advancement of Science (2011), and the National Academy of Sciences (2013). Learn more about Dr. Barres’ research here:
profiles.stanford.edu/ben-bar...

[@MrMojo0417]

Thank you so much for your tireless efforts. You will be sorely missed by the scientific community.

[@Katy18999]

RIP Prof. Barres!!

[@medaphysicsrepository2639]

great talk, putting this into my playlist with susan liquist and gregory petsko

[@wchurchill419]

thomas underhill put my man Dr jack szostak in that list too bud! 👍

[@karenbcz22]

So strange that 7 months after giving this lecture, he died of cancer. I bet he didn't even know he was sick.

[@rhyothemisprinceps1617]

He knew. This is an edited version of the talk.
For the full version ( in which he discloses his illness) see:
czcams.com/video/zvS71CdNUsg/video.html

[@stevejeffrey1]

Wonderful information thank you

[@rhyothemisprinceps1617]

For the full version of the talk, see:
czcams.com/video/zvS71CdNUsg/video.html