Area:
Neurogenetics, cerebellum developent, stem/progenitor cells
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High-probability grants
According to our matching algorithm, Wendy A. Alcaraz is the likely recipient of the following grants.
Years |
Recipients |
Code |
Title / Keywords |
Matching score |
2008 — 2009 |
Alcaraz, Wendy |
F31Activity Code Description: To provide predoctoral individuals with supervised research training in specified health and health-related areas leading toward the research degree (e.g., Ph.D.). |
Determining the Role of Zfp423 in Cerebellar Development @ University of California San Diego
[unreadable] DESCRIPTION (provided by applicant): Understanding the mechanism by which neural precursors make the switch between proliferation and cell cycle exit is the key to understanding human cerebellar malformations. This proposal will make use a of mouse model that resembles Dandy-Walker malformations. Mice homozygous for the nur12 mutation, which has been mapped to a zinc finger transcription factor Zfp423, have agenesis of the cerebellar vermis with varying degrees of hemisphere hypoplasia. Similar to Dandy-Walker malformation these mice also have reduced choroid plexus, anterior rotation of the cerebellum, enlargement of the fourth ventricle, and hydrocephaly. Preliminary data shows that the reduction in size of the cerebellum is due to reduced proliferation of precursor cells within the cerebellum. The three specific aims will (1) determine if reduced proliferation is due to reduction in the rate of proliferation or reduced probability of cell-cycle re-entry by consecutive labeling of different thymidine analogs and proliferation markers, and (2) determine genetic interactions that affect the degree of hemisphere hypoplasia in nur12 homozygotes by modifier mapping and RNA profiling. PUBLIC HEALTH RELEVANCE: This proposal will identify mechanisms relevant to Dandy-Walker Malformation, a severe defect found in 1/25,000 - 1/30,000 births. Preliminary data suggests the mechanisms acting here regulate the switch between continued division of precursor cells and differentiation into mature cells, an important process in development, in which errors can lead to malformations or cancers. [unreadable] [unreadable]
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