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Articles 1 - 9 of 9
Full-Text Articles in Pharmacology
The Role Of The Cell-Surface Protease Tmprss13 In Colorectal Cancer, Fausto Alexander Varela
The Role Of The Cell-Surface Protease Tmprss13 In Colorectal Cancer, Fausto Alexander Varela
Wayne State University Dissertations
Colorectal cancer (CRC) is one of the most common and deadly cancers in both men and women in the United States. Extracellular proteolysis is often dysregulated in cancer including (CRC), resulting in degradation of extracellular matrix, as well as cleavage, processing, or shedding of cell adhesion molecules, growth factors, and cytokines. Several members of the type II transmembrane serine protease (TTSP) family have been shown to play critical roles in cancer progression; however, many family members have not yet been characterized in malignancy. We identified TMPRSS13 transcript to be upregulated in CRC compared to normal colon. This increase was confirmed …
Characterization Of Cytosolic Sulfotransferase Expression And Regulation In Human Liver And Intestine, Sarah Talal Dubaisi
Characterization Of Cytosolic Sulfotransferase Expression And Regulation In Human Liver And Intestine, Sarah Talal Dubaisi
Wayne State University Dissertations
SULTs are conjugation enzymes that can modify the activity of a myriad of foreign and endogenous molecules. SULT expression was detected in various human tissues, including liver, small intestine, and colon. There are 13 human SULT genes that are classified into 4 families, SULT1, SULT2, SULT4, and SULT6. In humans, SULT1 and SULT2 families include 11 genes that are further divided into 6 subfamilies. In addition to their role in xenobiotic detoxification and regulation of physiological processes, SULT enzymes were implicated in the bioactivation of procarcinogens. Previous studies detected the expression of most SULT1 and SULT2 enzymes during early development, …
Patholigical And Prognostic Role Of Mdig In Pancreatic Cancer, Srinivas Ashok Kumar
Patholigical And Prognostic Role Of Mdig In Pancreatic Cancer, Srinivas Ashok Kumar
Wayne State University Theses
Pancreatic cancer is a highly aggressive malignant disease having very limited therapeutic options that ultimately results in its poor prognosis. It is still elusive on the etiology and tumorigenic mechanisms of pancreatic cancer. In the present report, we provide evidence showing involvement of the mineral dust-induced gene (mdig) in the pathogenesis and prognosis of the pancreatic cancer. Using immunohistochemistry approach on human pancreatic cancer tissue microarray, we found differential expression of mdig in pancreatic adenocarcinoma and normal pancreas. Based on the staining intensities of mdig in these tissue samples, we found that 12% of the cancer tissues were strongly positive …
The Therapeutic Targeting Of Folate Receptor Alpha Positive Tumors Via Folate Receptor Selective Novel 5- And 6- Substituted Pyrrolo [2,3-D]Pyrimidine Antifolates", Shermaine Kimberly Mitchell-Ryan
The Therapeutic Targeting Of Folate Receptor Alpha Positive Tumors Via Folate Receptor Selective Novel 5- And 6- Substituted Pyrrolo [2,3-D]Pyrimidine Antifolates", Shermaine Kimberly Mitchell-Ryan
Wayne State University Dissertations
Ovarian Cancer is the fifth leading cause of cancer-related death of women in the United States. Epithelial Ovarian Cancer (EOC) constitutes 85-90% of malignancies within the ovary, with an alarming majority of these cases diagnosed at advanced stage. While most patients are initially highly responsive to the current treatment standard, there is a very high probability that they will recur with a drug resistant fatal disease. Currently there is no validated comprehensive model of disease progression for ovarian cancer, although tremendous progress has been made in understanding the origin of this disease and a putative precursor lesion has been identified …
Proteasome Inhibition As A Potential Anti-Breast Cancer Therapy: Mechanisms Of Action And Resistance-Reversing Strategies, Rahul Rajesinh Deshmukh
Proteasome Inhibition As A Potential Anti-Breast Cancer Therapy: Mechanisms Of Action And Resistance-Reversing Strategies, Rahul Rajesinh Deshmukh
Wayne State University Dissertations
AMPK activation and Ubiquitin Proteasome System (UPS) inhibition have gained great attention as therapeutic strategies for the treatment of certain types of cancers. While AMPK serves as a master regulator of cellular metabolism, UPS regulates protein homeostasis. Although the crosstalk between them is suggested, the relationship between these two important pathways is not very clear. We observed that proteasome inhibition leads to AMPK activation in human breast cancer cells. We report that a variety of proteasome inhibitors activate AMPK in all of the tested cancer cell lines. Our data using Liver Kinase B1 (LKB1)-deficient cancer cells suggests that proteasome inhibitor-induced …
Therapeutic Targeting Of Bmp2 In Nf1-Deficient Malignant Peripheral Nerve Sheath Tumors (Mpnsts), Sidra Ahsan
Therapeutic Targeting Of Bmp2 In Nf1-Deficient Malignant Peripheral Nerve Sheath Tumors (Mpnsts), Sidra Ahsan
Wayne State University Dissertations
Neurofibromatosis type I (NF1)-deficient malignant peripheral nerve sheath tumor (MPNST) is an aggressive tumor for which the standard treatment is surgical removal with wide margins, often leaving behind cancer cells needing chemotherapy. RAS-GRD is the most widely studied functional target of NF1 implicated in tumorigenesis, however, therapeutic interventions targeting RAS activity have met with limited success. Using gene expression profiling, our lab identified BMP2-SMAD1/5/8 signaling pathway as a therapeutic target in MPNSTs, independent of the NRAS and MEK1/2 regulation. The overall goal of my research was to validate the significance of BMP2 in MPNSTs in novel cellular models, study the …
Photodynamic Therapy As An Effective Therapeutic Approach In Mame Models Of Triple Negative And Inflammatory Breast Cancers, Neha Aggarwal
Photodynamic Therapy As An Effective Therapeutic Approach In Mame Models Of Triple Negative And Inflammatory Breast Cancers, Neha Aggarwal
Wayne State University Dissertations
Introduction: Photodynamic therapy (PDT) is a minimally invasive, FDA approved therapy for
treatment of several indications including endobronchial and esophageal cancers that are
accessible to light. Triple negative breast cancer (TNBC) and inflammatory breast cancer (IBC)
are aggressive and lethal subtypes of breast cancer that spread to chest wall and dermal
lymphatics, respectively, sites that would be accessible to light. Both TNBC and IBC patients
have a relatively poor survival rate due to lack of targeted therapies. Use of PDT is
underexplored for breast cancers but has been proposed for treatment of subtypes for which a
targeted therapy is unavailable. …
Acidic Pericellular Ph: Effects On Proteolysis And Gene Expression As Determined In 3d Models Of Breast Carcinoma, Jennifer M. Rothberg
Acidic Pericellular Ph: Effects On Proteolysis And Gene Expression As Determined In 3d Models Of Breast Carcinoma, Jennifer M. Rothberg
Wayne State University Dissertations
Among the non-cellular microenvironmental factors that contribute to malignancy of solid tumors is an acidic peritumoral pH. The first objective was to determine if an acidic extracellular pH observed in vivo (i.e., pHe 6.8) affects the activity of proteases, such as cathepsin B, that contribute to degradation of collagen IV by tumor cells when grown in biologically relevant three-dimensional cultures. At pHe 6.8 there were increases in pericellular active cysteine cathepsins and in degradation of DQ-collagen IV, which was partially blocked by a cathepsin B inhibitor. Imaging probes for active cysteine cathepsins localized to tumors in vivo. The amount of …
Hedgehog Signaling: A Potential Therapeutic Target For Non-Small Cell Lung Cancer, Ma'in Yehya Maitah
Hedgehog Signaling: A Potential Therapeutic Target For Non-Small Cell Lung Cancer, Ma'in Yehya Maitah
Wayne State University Dissertations
The American Cancer Society estimated that 222,520 Americans were diagnosed with lung cancer and 157,300 died of lung cancer in 2010 (Jemal et al. 2009, 225-249;Jemal et al. 2011, 69-90). The clinical outcome of patients diagnosed with non-small cell lung cancer (NSCLC), the major lung cancer sub-types, is very poor, which calls for innovative research for finding novel therapeutic targets and agents for better treatment outcome.
Emerging evidences have suggested that a phenomenon called Epithelial-to-Mesenchymal Transition (EMT), which shares similar molecular characteristics with cancer stem-like cells, contributes to lung cancer treatment failure. In view of the fact that EMT process …