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Articles 1 - 6 of 6
Full-Text Articles in Life Sciences
Id3, Estrogenic Chemicals, And The Pathogenesis Of Tumor-Like Proliferative Vascular Lesions, Vincent E. Avecilla
Id3, Estrogenic Chemicals, And The Pathogenesis Of Tumor-Like Proliferative Vascular Lesions, Vincent E. Avecilla
FIU Electronic Theses and Dissertations
Tumor-like proliferative vascular lesions manifest in several diseases such as peripheral arterial disease (PAD) and atherosclerosis (AS) after arterial injury. The cause of the vascular cell dysfunction in PAD patients is not known. Our recent novel discovery shows that inhibitor of differentiation 3 (ID3) is highly expressed in intimal lesions of clinical vascular disease samples. The central hypothesis of our study is: estrogenic chemical induced dysregulation of ID3 target genes is involved in the development of vascular disease. NHANES data analysis demonstrated higher geometric levels of all 6 PCB congeners in both PAD diagnosed participants and participants at risk of …
Transgneic Endothelin 3 Regulates Murine Pigment Production And Coat Color, Javier Pino
Transgneic Endothelin 3 Regulates Murine Pigment Production And Coat Color, Javier Pino
FIU Electronic Theses and Dissertations
Pigmentation plays a protective role against damage caused by ultraviolet (UV) irradiation. Humans with fair skin and light hair have a higher susceptibility to UV-induced DNA damage that can lead to the development of skin cancers. The melanocytes found in the skin and hair follicles depend on different signaling molecules for their proper development and pigment production. α-Melanocyte Stimulating Hormone (α-msh) binds to the Melanocortin 1 receptor (Mc1r) to regulate pigment production and the switch between eumelanin and pheomelanin. Lethal yellow mice (Ay) overexpress the agouti signaling protein, which inhibits the binding of α-msh, resulting in a yellow …
The Effect Of Target-Specific Biomolecules In Breast Cancer, Mohannad Garoub
The Effect Of Target-Specific Biomolecules In Breast Cancer, Mohannad Garoub
FIU Electronic Theses and Dissertations
Cancer is the second leading cause of mortality in the United States and the World, therefore, early effective prevention, diagnosis, and therapy is needed. Estrogens play a major role in the initiation and progression of breast cancer. Elevated lifetime exposure to estrogens is associated with an increased risk of developing breast cancer. Estrogens through influencing mitochondria contribute to estrogen induced breast carcinogenesis; however, the exact mitochondrial mechanisms underlying the estrogen carcinogenic effect in breast tissue are not clearly understood. For this dissertation, the mitotoxic and cytotoxic effects of triphenylphosphonium cation (TPP) and Origanum majorana organic extract (OME) as well as …
Identification And Phenotypic Plasticity Of Metastatic Cells In A Mouse Model Of Melanoma, Xiaoshuang Li
Identification And Phenotypic Plasticity Of Metastatic Cells In A Mouse Model Of Melanoma, Xiaoshuang Li
FIU Electronic Theses and Dissertations
Melanoma is the deadliest form of skin cancer due to its high propensity to metastasize and resistance to current therapies. We have created a spontaneous mouse model of metastatic melanoma (Dct-Grm1/K5-Edn3) where metastasis to the lungs is 80% penetrant. The primary tumors of these mice present cellular heterogeneity with cells at varying levels of differentiation. The main goal of this study was to determine the metastatic potential of the primary tumor resident Tyrosinase positive cells and evaluate the dynamic phenotypic changes as those cells move from the primary tumors to the sites of metastasis. To accomplish this aim …
Regulation Of Adipocyte Differentiation And Metabolism: Rab5-Guanine Nucleotide Exchange Factors And Methylglyoxal, Praew Chantarasinlapin
Regulation Of Adipocyte Differentiation And Metabolism: Rab5-Guanine Nucleotide Exchange Factors And Methylglyoxal, Praew Chantarasinlapin
FIU Electronic Theses and Dissertations
Internalization and trafficking of ligand-receptor complex rely on a particular set of proteins, e.g. small GTPase protein Rab5 and its activators called guanine nucleotide exchange factors. Rab5-activating protein 6 (RAP6), a Vps9-containing protein, may participate in Rab5-mediated insulin signaling and receptor trafficking. A dicarbonyl compound methylglyoxal was found to alter insulin signaling in preadipocytes. This dissertation aimed to investigate the association of RAP6 activity on 3T3-L1 preadipocyte differentiation and those driven by methylglyoxal. Overexpression of RAP6 inhibited preadipocyte differentiation, Ser473-phosphorylation of Akt1, and expression of adipogenic marker PPARγ, but not C/EBPα. Methylglyoxal (10 µM) increased preadipocyte differentiation, proliferation and expression …
The Effects Of Artemisia Derived Natural Products On Adipogenesis, Steven Abood
The Effects Of Artemisia Derived Natural Products On Adipogenesis, Steven Abood
FIU Electronic Theses and Dissertations
For the first time in human history, more people worldwide suffer from obesity than are undernourished. Numerous health complications are associated with obesity including cardiovascular disease, Type 2 Diabetes, cancers of reproductive tissues, stroke, depression, anxiety disorders, and Alzheimer’s disease. A deeper understanding of the anti-adipogenic effects and mechanism of action of sesquiterpene lactones may have pharmacological import in the continuing search for therapeutic modalities to ameliorate the effects of this global obesity epidemic.
Dehydroleucodine (DhL), 11,13-dihydro-dehydroleucodine (DH-DhL), and dehydroparashin-B (DhP), sesquiterpene lactones extracted from or derived from compounds extracted from Artemisia douglasiana, were investigated for their anti-adipogenic effects …