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Full-Text Articles in Molecular Biology

The Effect Of Licogliflozin (Sglt1/2 Inhibitor) On Diabetes And Cardiac Complications, Alanoud Gharib Alblooshi Nov 2022

The Effect Of Licogliflozin (Sglt1/2 Inhibitor) On Diabetes And Cardiac Complications, Alanoud Gharib Alblooshi

Theses

Diabetes mellitus (DM) is a chronic endocrine disease affecting millions of people worldwide. In spite of the advances made in the management of DM, poor glycemic control and diabetes complications are still very common. There is a continuous search for new and more effective drugs to treat DM. One of the drugs currently in clinical trials for the treatment of DM is licogliflozin (LIK066), a dual SGLT1/2 inhibitor, which can be used to treat obesity and diabetes. LIK066 inhibits glucose reabsorption in the kidney and small intestine, thereby reducing hyperglycemia. This study aims to investigate the efficacy of licogliflozin on …


Insights Into Desiccation Tolerance: Properties Of Late Embryogenesis Abundant Proteins From Embryos Of Artemia Franciscana, Blase Matthew Leblanc Jun 2020

Insights Into Desiccation Tolerance: Properties Of Late Embryogenesis Abundant Proteins From Embryos Of Artemia Franciscana, Blase Matthew Leblanc

LSU Doctoral Dissertations

LEA proteins are a family of intrinsically disordered proteins that are expressed in various life stages of anhydrobiotic organisms and have been strongly associated with survival during water stress. The brine shrimp Artemia franciscana is the only known anhydrobiotic animal that expresses LEA proteins from Groups 1, 3, and 6. Here, I report that AfrLEA6, a novel Group 6 LEA protein, is most highly expressed in embryos during diapause and decreases throughout pre-emergence development. Notably, there is an acute drop in expression upon termination of the diapause state and the titer of AfrLEA6 during diapause is 10-fold lower than values …


The Effects Of Insulin-Like Growth Factor-1 (Igf-1) And Insulin-Like Growth Factor Receptor (Igfr) Regulation On Cognition And Structure Of Astrocytes, Sariya Khan May 2020

The Effects Of Insulin-Like Growth Factor-1 (Igf-1) And Insulin-Like Growth Factor Receptor (Igfr) Regulation On Cognition And Structure Of Astrocytes, Sariya Khan

Honors Theses

Insulin-like growth factor-1 (IGF-1) is a neuroendocrine signaling hormone that plays an integral role in bone and tissue growth and development. Inhibition of this hormone is known to disrupt the chemistry of the brain, resulting in cognitive impairments such as those seen in many common neurodegenerative diseases. While much research has been conducted on neurons and their relation with IGF-1, the role of astrocytes still needs to be explored. Our research investigates how astrocytes are affected as a result of IGF-1 regulation. Preliminary studies in our laboratory established a connection between IGF-1 and glial fibrillary acidic protein (GFAP), and in …


Further Characterization Of The Skeletal Phenotype In A Hurler Syndrome Mouse Model And The Ethical Treatment Of Children In Medicine, Anna Marie Mcwoods May 2019

Further Characterization Of The Skeletal Phenotype In A Hurler Syndrome Mouse Model And The Ethical Treatment Of Children In Medicine, Anna Marie Mcwoods

MSU Graduate Theses

Mucopolysaccharidosis type I (MPS I) is a rare, autosomal recessive disorder caused by the deficiency of the lysosomal enzyme α-L-iduronidase (IDUA). Absence of IDUA results in the accumulation of dermatan and heparin sulfate and ultimately causes multi-system dysfunction. The most severe form of MPS I is Hurlers syndrome, a rapidly progressive disorder that, if left untreated, is fatal. Current treatment options for diagnosed individuals includes hematopoietic stem cell transplantation (HSCT) and enzyme replacement therapy (ERT). These treatments are able to ameliorate the majority of symptoms with the exception of the bone phenotype. This investigation aimed to further characterize the bone …


Nuclear Transport Of Single Molecules: Dwell Times At The Nuclear Pore Complex, Ulrich Kubitscheck, David Grunwald, Andreas Hoekstra, Daniel Rohleder, Thorsten Kues, Jan Peter Siebrasse, Reiner Peters Nov 2014

Nuclear Transport Of Single Molecules: Dwell Times At The Nuclear Pore Complex, Ulrich Kubitscheck, David Grunwald, Andreas Hoekstra, Daniel Rohleder, Thorsten Kues, Jan Peter Siebrasse, Reiner Peters

David Grünwald

The mechanism by which macromolecules are selectively translocated through the nuclear pore complex (NPC) is still essentially unresolved. Single molecule methods can provide unique information on topographic properties and kinetic processes of asynchronous supramolecular assemblies with excellent spatial and time resolution. Here, single-molecule far-field fluorescence microscopy was applied to the NPC of permeabilized cells. The nucleoporin Nup358 could be localized at a distance of 70 nm from POM121-GFP along the NPC axis. Binding sites of NTF2, the transport receptor of RanGDP, were observed in cytoplasmic filaments and central framework, but not nucleoplasmic filaments of the NPC. The dwell times of …


The Role Of Ezh2 In The Regulation Of The Activity Of Matrix Metalloproteinases In Prostate Cancer Cells., Yong Jae Shin, Jeong-Ho Kim Jan 2012

The Role Of Ezh2 In The Regulation Of The Activity Of Matrix Metalloproteinases In Prostate Cancer Cells., Yong Jae Shin, Jeong-Ho Kim

Biochemistry and Molecular Medicine Faculty Publications

Degradation of the extracellular matrix (ECM), a critical step in cancer metastasis, is determined by the balance between MMPs (matrix metalloproteinases) and their inhibitors TIMPs (tissue inhibitors of metalloproteinases). In cancer cells, this balance is shifted towards MMPs, promoting ECM degradation. Here, we show that EZH2 plays an active role in this process by repressing the expression of TIMP2 and TIMP3 in prostate cancer cells. The TIMP genes are derepressed by knockdown of EZH2 expression in human prostate cancer cells but repressed by overexpression of EZH2 in benign human prostate epithelial cells. EZH2 catalyzes H3K27 trimethylation and subsequent DNA methylation …


Global And Specific Controls Of Protein Synthesis In Hibernators, Peipei Pan Dec 2011

Global And Specific Controls Of Protein Synthesis In Hibernators, Peipei Pan

UNLV Theses, Dissertations, Professional Papers, and Capstones

Mammalian hibernation is a highly dynamic physiological process that is composed of a series of torpor bouts, wherein hibernators oscillate between periods of torpor and interbout arousal. Although normally vital to homeostasis, many energetically consumptive processes such as translation or protein synthesis are virtually ceased during hibernation. Earlier studies indicated that protein synthesis had fallen to almost negligible levels. Cap-dependent initiation of translation is well regulated by eukaryotic translation initiation factor 4E (eIF4E) and its binding partner eIF4E-binding protein 1 (4E-BP1) when hibernators cycle in and out the torpor state. Herein, I investigated well-characterized regulatory mechanisms of global and specific …


Microscopic Analysis Of Sympathetic And Parasympathetic Distribution, Terminal Morphology, And Interaction In Whole-Mount Atria, Scott Harden Jan 2009

Microscopic Analysis Of Sympathetic And Parasympathetic Distribution, Terminal Morphology, And Interaction In Whole-Mount Atria, Scott Harden

Electronic Theses and Dissertations

The sympathetic (SNS) and parasympathetic (PSNS) branches of the autonomic nervous system (ANS) innervate the heart, exerting excitatory and inhibitory influences (respectively) over cardiac functions (heart rate, AV conduction velocity, and contractility). However, the distribution and structure of SNS and PSNS innervation has not yet been well studied. Detailed characterization of the distributional organization and structural morphology of the SNS and PSNS in normal states is essential to the study of pathological autonomic remodeling. The present study utilized double immunohistochemical labeling techniques to examine tyrosine hydroxylase (TH) immunoreactive (IR) SNS and vesicular acetylcholine transporter (VAChT) IR PSNS axons and terminal …