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Now showing items 1061-1070 of 1169
Epigenetic modifications and conserved, non-coding DNA play a role in regulation of type IV collagen gene expression
(2009-05-15)
Type IV collagens are components of basement membranes throughout the body and are involved in maintenance of the structural integrity of tissues as well as cellular differentiation, growth, and adhesion. Members of this ...
Large scale total synthesis of apoptolidinone and progress towards the total synthesis of ammocidin
(2009-05-15)
Apoptolidin 1.1 was isolated in 1997 by Hayakawa and co-workers from a soil
bacterium Nocardiopsis sp. during screening for specific apoptosis inducers. The
primary biological test revealed that this polyketide macrolide ...
Molecular characterization of oct4-expressing yolk sac endoderm stem cell lines.
(2009-05-15)
The extraembryonic endoderm (XEN) defines the yolk sac, a set of membranes that
provide essential support for mammalian embryos. Recently, the committed XENprecursor
was identified in the embryonic Inner Cell Mass (ICM) ...
Essays on pharmaceuticals and health care expenditures
(2009-06-02)
The U.S. pharmaceutical industry has been remarkably successful in developing new treatments for many of the leading causes of morbidity and mortality. These new treatments and their high prices lead government and private ...
Past and present deepwater contour-current bedforms at the base of the Sigsbee Escarpment, northern Gulf of Mexico
(2009-05-15)
Using a high-resolution deep-towed seismic system, we have discovered a series
of contour-current bedforms at the base of the Sigsbee Escarpment in the Bryant Canyon
region of the northern Gulf of Mexico. We identify a ...
Influence of hydrological seasonality on sandbank benthos: algal biomass and shrimp abundance in a large neotropical river
(2009-05-15)
In this study, I examined the influence of hydrological seasonality on
spatiotemporal variation of algal biomass and shrimp abundance on sandbanks of the
Cinaruco River in southwestern Venezuela. Seasonal variations of ...
Identifying linguistically diverse students as gifted and talented: a qualitative study of adding a new measure
(2009-05-15)
As the population of linguistically diverse students in schools increases, so should the representation of these students in gifted and talented programs. This is a struggle for many schools districts where the ethnic ...
A dyadic-interactional perspective of implicit trait policies
(2009-05-15)
The dyadic-interactional perspective of personality suggests that behavior is a
function of both stable personality traits and the dynamic interpersonal environment.
According to this theory, interpersonal behavior generally ...
Preparing prospective teacher education students at two-year post secondary institutions: an assessment of proficiency in technology usage
(2009-05-15)
The purpose of this study was to examine the proficiency or lack of
proficiency of prospective teacher education students at two-year community
colleges to use and integrate instructional technologies. In addition, this ...
Changing patterns and perceptions of water use in east central texas since the time of anglo settlement
(2009-05-15)
Patterns and perceptions of water use have changed since Anglo settlement in
Texas in the early nineteenth century. Change has not been constant, gradual, or linear,
but rather has occurred in fits and spurts. This pattern ...