OCT 24, 2018 7:30 AM PDT

Keynote Presentation: Mass Spectrometry Approaches for the the Single Cell Chemical Characterization of the Brain

Speaker

Abstract

In the postgenomic era, one expects the suite of chemical players in a brain region to be known and their functions uncovered. Perhaps surprisingly, many neurochemicals remain poorly characterized and for those that are known, their localization, dynamics and function are oftentimes unknown. Several approaches for assaying the chemical content within targeted brain regions and from individual brain cells are highlighted, including mass spectrometry imaging (MSI) and MS-based single cell measurements. Using these approaches, we can measure lipids, fatty acids, neurotransmitters and neuropeptides, among others. For single cell measurements, the cells of interest are scattered across a microscope slide, the exact cell positions determined via optical microscopy, and mass spectra are acquired only at the cell positions. The single cell assays allow differences in the metabolome and peptidome from supposedly homogeneous populations of cells to be explored. By obtaining information from tens of thousands of individual cells, rare cells are found and unusual neurochemicals are discovered. For select cells, follow-up capillary electrophoresis-mass spectrometry and other information rich assays can be performed. Several applications of single cell mass spectrometry are highlighted from the discovery of unusual metabolites to characterizing the both known and previously unknown neuropeptides and hormones in single cells. Our overarching goal is to uncover the complex chemical mosaic of the brain and pinpoint key cellular players involved in a range of physiological and pathological processes.

Learning Objectives:

1. Participants will understand why single cell measurements important.
2. Participants will describe the importance and how cells are prepared and measured with mass spectrometry.
3. Participants will learn about the chemical information gained from single cell mass spectrometry measurements and how it relates to cell function, health and disease.


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OCT 24, 2018 7:30 AM PDT

Keynote Presentation: Mass Spectrometry Approaches for the the Single Cell Chemical Characterization of the Brain


Specialty

Chemistry

Mass Spectrometry

Chromatography

Laboratory Testing

Analytical Chemistry

Biology

University

Cancer Diagnostics

Biomarkers

Medicine

Immunology

Biochemistry

Spectroscopy

Molecular Diagnostics

Infectious Disease

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Website Visitors100%

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Medical Laboratory Technician38%

Student25%

Research Scientist13%

Scientist13%

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Hospital40%

Academic Institution40%

Manufacturer - Other10%

Government/public10%


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