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Articles 1 - 5 of 5
Full-Text Articles in Life Sciences
Minibrain And Wings Apart Control Organ Growth And Tissue Patterning Through Downregulation Of Capicua, Liu Yang
Graduate Doctoral Dissertations
The regulation of organ growth is a fundamental aspect of developmental biology. My work uses Drosophila as a model system to understand how the various growth regulators are coordinated. The transcriptional repressor Capicua (Cic) controls tissue patterning and restricts organ growth, and has been recently implicated in several cancers and neurodegenerative diseases. Cic has emerged as a primary sensor of signaling downstream of the receptor tyrosine kinase (RTK)/extracellular signal-regulated kinase (ERK) pathway, but how Cic activity is regulated in different cellular contexts remains poorly understood. In order to identify Cic regulators, I have used affinity purification/mass spectrometry (AP-MS) to study …
Evolution In The Deep Sea: Scales And Mechanisms Of Population Divergence, Amanda E. Glazier
Evolution In The Deep Sea: Scales And Mechanisms Of Population Divergence, Amanda E. Glazier
Graduate Doctoral Dissertations
The deep sea is the Earth’s largest ecosystem and harbors a unique and largely endemic fauna. Although most research has focused on the ecological mechanisms that allow coexistence, recent studies have begun to investigate how this remarkable fauna evolved.. My work quantifies geographic patterns of genetic variation and investigates potential mechanisms that shape evolution in the deep ocean.
Bathymetric genetic divergence is common in the deep sea with population structure typically decreasing with depth. The evolutionary mechanisms that underlie these patterns are poorly understood. Geographic patterns of genetic variation indicated that the protobranch bivalve Neilonella salicensis was composed of two …
Analysis Of Gompertzian Growth In Aggregating Multicellular Tumor Nodules, Gwendolyn A. Deger
Analysis Of Gompertzian Growth In Aggregating Multicellular Tumor Nodules, Gwendolyn A. Deger
Graduate Masters Theses
Past studies have shown that tumor growth generally follows an exponential growth function or, with a limiting growth constraint, the sigmoid Gompertzian function, where a terminal tumor size is reached at late times. The classical Gompertzian description of tumor growth applies in the case of two-dimensional (2D) in vitro cell studies due to the effect of physical limitations on possible growth area. This project asked whether Gompertzian form applies to the in vitro growth of multifocal 3D tumor nodules, whose size is determined by aggregation events as well as cell proliferation. Previous reports have indicated that these three-dimensional (3D) spheroids …
Identification And Use Of Indicator Data To Develop Models For Marine-Sourced Risks In Massachusetts Bay, Marin M. Kress
Identification And Use Of Indicator Data To Develop Models For Marine-Sourced Risks In Massachusetts Bay, Marin M. Kress
Graduate Doctoral Dissertations
The coastal watersheds around Massachusetts Bay are home to millions of people, many of whom recreate in coastal waters and consume locally harvested shellfish. Epidemiological data on food-borne illness and illnesses associated with recreational water exposure are known to be incomplete. Of major food categories, seafood has the highest recorded rate of associated foodborne illness. In total, the health impacts from these marine-sourced risks are estimated to cost millions of dollars each year in medical expenses or lost productivity. When recorded epidemiological data is incomplete it may be possible to estimate abundance or prevalence of specific pathogens or toxins in …
Rna Seq Analysis Of Non-Alcoholic Fatty Liver Disease (Nafld) Induced By Metabolic Syndrome In A Mouse Model, Diego Almanza
Rna Seq Analysis Of Non-Alcoholic Fatty Liver Disease (Nafld) Induced By Metabolic Syndrome In A Mouse Model, Diego Almanza
Honors College Theses
Metabolic syndrome is often defined by the presence of several factors, including accumulation of abdominal fat, high blood pressure and high blood glucose levels, that increases the risk of developing heart disease, diabetes and cancer. The development of metabolic syndrome has been shown to be very closely linked to lack of physical activity and is increasing concurrent with the rise of obesity rates among adults. Development of metabolic syndrome can have detrimental physiological effects throughout the body and can lead to the development of Non-Alcoholic Fatty Liver Disease (NAFLD). Proper liver function is crucial for the health of the body …