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Alternative splicing is a general mechanism in higher eukaryotic organisms to increase their diversity. In contrast to its importance, the mechanism of alternative splicing regulation is poorly understood, especially in the nervous system, where extensive alternative splicing occurs. During my Ph.D. study, I identified a family of novel neuron-specific splicing regulators, Hu proteins. My studies provided solid evidence that support the splicing regulatory function of Hu proteins. Two genes that undergo neuron-specific splicing were used as model in my research: calcitonin/CGRP and NF1. In…mehr

Produktbeschreibung
Alternative splicing is a general mechanism in
higher eukaryotic organisms to increase their
diversity. In contrast to its importance, the
mechanism of alternative splicing regulation is
poorly understood, especially in the nervous system,
where extensive alternative splicing occurs. During
my Ph.D. study, I identified a family of novel
neuron-specific splicing regulators, Hu proteins. My
studies provided solid evidence that support the
splicing regulatory function of Hu proteins. Two
genes that undergo neuron-specific splicing were used
as model in my research: calcitonin/CGRP and NF1. In
calcitonin/CGRP gene model, Hu proteins inhibit the
recognition of the non-neuronal exon by two
mechanisms: blocking the positive splicing factors
TIA-1/R and suppressing polyadenylation. NF1 is a
well-studied tumor suppressor, and the
neuron-specific skipping of exon 23a has been
reported to change its activity. My research
demonstrated that Hu proteins strongly suppress
recognition of exon 23a by the splicing machinery in
neurons. In summary, my research has contributed
significantly to the understanding of the
splicing regulation in neurons.
Autorenporträt
Hui Zhu, M.D., Ph.D., graduated from Beijing Medical University
in China before she entered the United States for graduate
study.
She received her Ph.D. in genetics at Case Western Reserve
University in Cleveland, Ohio. Dr. Zhu is currently an internal
medicine resident at Long Island Jewish Medical Center in New
York.