NIH Director’s Lecture
As part of NIH’s Wednesday Afternoon Lecture Series, the Director’s Lectures feature leading researchers from around the globe. Nominated by scientists and interest groups throughout NIH, the NIH Director specifically approves these annual lectures. There are approximately three NIH Director’s Lectures per year.
Structural plasticity in the adult mammalian brain.
Our laboratory studies structural plasticity in the adult mammalian brain. We are interested in identifying the environmental, hormonal and neural stimuli that drive changes in the number, shape and size of neurons, astrocytes and microglia. The ultimate goals of our work are to determine the functional consequences of structural plasticity and to identify factors that enhance plasticity and cell survival in the adult mammalian brain.
The molecular logic of synapse formation in the brain
Thomas Südhof is interested in how synapses form and function in the developing and adult brain. His work focuses on the role of synaptic cell-adhesion molecules in establishing synapses and shaping their properties, on pre- and postsynaptic mechanisms of membrane traffic, and on impairments in synapse formation and synaptic function in neuropsychiatric and neurodegenerative disorders.
Biophysics and biology of k+ channels
Ion channels catalyze the diffusion of inorganic ions down their electrochemical gradients across cell membranes. Because the ionic movements are passive, ion channels would seem to be extraordinarily simple physical systems, yet they are responsible for electrical signaling in living cells. Among their many functions, ion channels control the pace of the heart, regulate the secretion of hormones into the bloodstream, and generate the electrical impulses underlying information transfer in the nervous system.
Adventures in brain plasticity: from memory palaces to soulcycle
Suzuki’s lab studies the patterns of electrical activity in the brain that underlie our ability to form and retain new long-term memories as well as the effects of physical aerobic exercise to improve a wide of cognitive functions including mood, memory, and attention.
Engineering T cells: moving beyond leukemia
It is now well established that the immune system can control and eliminate cancer cells. Adoptive T-cell transfer has the potential to overcome the significant limitations associated with vaccine-based strategies in patients who are often immune compromised. Dr. June will discuss how the emerging discipline of synthetic biology—which combines elements of genetic engineering and molecular biology to create new biological structures with enhanced functionalities—can be applied to cancer.
Ancient DNA and the new science of the human past
Beginning in 2010, it became practical to sequence whole genomes extracted from DNA extracted from ancient human bones, and to analyze the data to understand changes in biology over time. Since then, the amount of ancient DNA data has increased at an extraordinary rate, with the number of samples with at least one-fold genome coverage being five in 2013, 18 in 2014, and 116 in 2015. Dr. Reich will begin his lecture by describing how present-day Europeans derive from a fusion highly divergent ancestral populations as different from each other as are Europeans and East Asians.
Translating the cancer genome: transforming cancer care
Dr. Mardis has research interests in the application of next-generation sequencing to characterize cancer genomes and transcriptomes, and using these data to support therapeutic decision-making. She also is interested in facilitating the translation of basic science discoveries in cancer into the clinical setting.
Tools for analyzing and repairing complex biological systems
The goal of the Boyden laboratory is to achieve ground truth understandings of complex biological systems, including entire cells and entire brains, and to use such insights to improve the human condition through novel inventions and therapeutics. To make this possible, Dr. Boyden and his colleagues are currently creating technologies that enable comprehensive observation and control of biological systems, aiming for molecular precision, millisecond resolution, and whole organ scale.
The depressed brain: sobering and hopeful lessons
In her talk, Dr. Akil will discuss the challenges of understanding the pathophysiology of major depressive disorder at the molecular and cellular level and the surprising insights derived from genomics and human postmortem studies. She will describe how animal models and neuroscience studies at multiple levels (from genetic to behaviorial) can be used to test and validate new targets for treatment and/or as biomarkers of the illness.
Inflammation, dysbiosis, and chronic disease
Dysregulation of the immune system and host-microbiota interaction has been associated with the development of a variety of inflammatory as well as metabolic diseases such as obesity and diabetes. Recent studies in Dr. Flavell's laboratory have elucidated the important function of inflammasomes as steady-state sensors and regulators of the gut microbiota. Mice with a disrupted inflammasome pathway have been shown to develop a colitogenic microbial community, which results in exacerbation of chemical-induced colitis and diet-induced steatohepatitis, obesity and type 2 diabetes.
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