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Articles 1 - 6 of 6
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Design, Synthesis And Biological Evaluation Of Pyrido[2,3-D]Pyrimidines As Inhibitors Of N5-Cair Synthetase, Qian Lin
Wayne State University Dissertations
The spread of drug-resistant bacterial infections has increased the need for novel antimicrobial agents. One potential but unexplored target is the de novo purine biosynthetic pathway. PurK, found only in bacteria, yeast, and fungi, catalyzes the sixth step in purine biosynthesis and has no human homolog. Herein we disclose the discovery of the first PurK inhibitor with submicromolar potency.
PurK is a member of the ATP-grasp superfamily of enzymes and recently, nanomolar inhibitors of biotin carboxylase, a related enzyme, were published. We hypothesized that those inhibitors, which target the ATP-binding site, could also inhibit PurK. To explore this hypothesis, four …
Sensitivity Of Quagga Mussels (Dreissena Rostriformis Bugensis) To Cyanobacteria At Multiple Life History Stages, Anna Boegehold
Sensitivity Of Quagga Mussels (Dreissena Rostriformis Bugensis) To Cyanobacteria At Multiple Life History Stages, Anna Boegehold
Wayne State University Dissertations
Quagga mussels (Dreissena rostriformis bugensis) originate from brackish waters of the Ponto-Caspian area and are nuisance invasive species in North American and European freshwaters. Their invasion has caused major economic and ecological damages in the Laurentian Great Lakes. Through selective filter feeding, quagga mussels have promoted the growth of cyanobacteria. Harmful cyanobacteria blooms have the potential to produce toxins, which can be toxic to humans and wildlife. Although quagga mussels can increase the prevalence of cyanobacteria blooms, it is unknown how they are physiologically affected by cyanobacteria and understanding these dynamics can be useful in the management of this invasive …
Carbazole Based Multifunctional Dopamine Agonists And Related Molecules As Potential Symptomatic And Disease Modifying Therapeutic Agents For Parkinson’S Disease, Asma S.Mohamed Elmabruk
Carbazole Based Multifunctional Dopamine Agonists And Related Molecules As Potential Symptomatic And Disease Modifying Therapeutic Agents For Parkinson’S Disease, Asma S.Mohamed Elmabruk
Wayne State University Dissertations
Parkinson’s disease (PD) is a progressive neurodegenerative disease that develops from gradual depletion of dopamine (DA) and dopaminergic neurons in the substantia nigra pars compacta (SNc) with the accumulation of intraneuronal proteinaceous matter named as Lewy bodies. The four cardinal symptoms associated with PD are tremor, rigidity, bradykinesia, and postural instability. Although the exact mechanism and etiology of PD are not fully understood, several factors have been implicated in the pathogenesis and progression of PD including protein aggregation, oxidative stress, mitochondrial dysfunction, environmental, and genetic factors.
The current therapy of Parkinson’s disease is categorized into four classes: levodopa, DA agonists, …
Tumor Multicomponent Targeting Polymer-Lipid Hybrid Nanoparticles To Overcome Drug Resistance In Renal Cell Carcinoma, Hashem Obaid Alsaab
Tumor Multicomponent Targeting Polymer-Lipid Hybrid Nanoparticles To Overcome Drug Resistance In Renal Cell Carcinoma, Hashem Obaid Alsaab
Wayne State University Dissertations
Renal Cell Carcinoma (RCC) contributes to more than 90% of the most common form of kidney tumor and remains one of the ten leading causes of cancer death in the United States. Although surgery remains an option for operable tumors, high metastatic index and resistance to radiation and chemotherapies prompted recent development of therapeutics that target the RCC angiogenesis and cell proliferation pathways. Tyrosine kinase inhibitors or TKIs (Cabozantinib, Axitinib, Sorafenib, and Sunitinib) and mammalian target of rapamycin (mTOR) inhibitors (Temsirolimus and Everolimus) have increased the therapeutic options for treating RCC. Although the impact towards decreasing disease progression is encouraging, …
Drug Delivery Strategies For The Treatment Of Advanced Lung Cancer And Various Lung Metastases, Elizabeth Bielski
Drug Delivery Strategies For The Treatment Of Advanced Lung Cancer And Various Lung Metastases, Elizabeth Bielski
Wayne State University Dissertations
Lung cancer remains the leading cause of cancer-related deaths in the United States. Secondary lung tumors metastasized from other cancer sites also remains highly prevalent, in which most metastatic tumors cannot be cured with existing therapies. Chemoresistance (multi drug resistance – MDR) that develops intrinsically or acquired is one of the key factors leading to fatality in these patients. MDR develops form a variety of resistance mechanisms that can occur consecutively or concurrently, therefore, making most current treatments unsuccessful. Current therapies have known to slow tumor growth, but rarely provide a cure. Immunotherapy has seen some promise, including the use …
Discovery Of Piperlongumine Derivatives As Anti-Leukemic And Anti-Prostate Cancer Agents, Yi Liao
Discovery Of Piperlongumine Derivatives As Anti-Leukemic And Anti-Prostate Cancer Agents, Yi Liao
Wayne State University Dissertations
Piperlongumine (PL) is an electrophilic anti-cancer natural product. Through non-covalent or covalent interactions with cellular targets, PL inactivates multiple oncogenic pathways and suppresses key components of cellular anti-oxidant/anti-electrophile defense systems. These actions result in pleiotropic anticancer effects and are expected to be effective to heterogeneous acute myeloid leukemia (AML) and prostate cancer (PCa). We applied two approaches to enhance the anticancer potency of PL: 1) To design PL-histone deacetylase inhibitor hybrid drugs (PL-HDACis; e.g., 1-58), and 2) To dimerize PL pharmacophore to generate a dimeric PL (DiPL) warhead that is suitable for further conjugation (e.g., 5-17). Both 1-58 and 5-17 …