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A Small Peptide Increases Drug Delivery In Human Melanoma Cells, Shirley Tong, Shaban Darwish, Hanieh Hossein Nejad Ariani, Kate Alison Lozada, David Salehi, Maris A. Cinelli, Richard B. Silverman, Kamaljit Kaur, Sun Yang 2022 Chapman University

A Small Peptide Increases Drug Delivery In Human Melanoma Cells, Shirley Tong, Shaban Darwish, Hanieh Hossein Nejad Ariani, Kate Alison Lozada, David Salehi, Maris A. Cinelli, Richard B. Silverman, Kamaljit Kaur, Sun Yang

Pharmacy Faculty Articles and Research

Melanoma is the most fatal type of skin cancer and is notoriously resistant to chemotherapies. The response of melanoma to current treatments is difficult to predict. To combat these challenges, in this study, we utilize a small peptide to increase drug delivery to melanoma cells. A peptide library array was designed and screened using a peptide array-whole cell binding assay, which identified KK-11 as a novel human melanoma-targeting peptide. The peptide and its D-amino acid substituted analogue (VPWxEPAYQrFL or D-aa KK-11) were synthesized via a solid-phase strategy. Further studies using FITC-labeled KK-11 demonstrated dose-dependent uptake in human melanoma cells. D-aa ...


Targeting Stress Granule Inhibition As A Novel Vulnerability Of Mutant P53, Elizabeth Thoenen 2022 Children's Mercy Kansas City

Targeting Stress Granule Inhibition As A Novel Vulnerability Of Mutant P53, Elizabeth Thoenen

Research Days

Background: Tumor suppressor p53 (p53) inhibits cancer progression by transactivating genes involved in cell cycle arrest and apoptosis. P53 is mutated in half of all human tumors, which is well correlated with poor patient outcomes. Most of p53 mutations are missense mutations. Missense mutant p53 protein (mutp53) not only loses wild-type p53 (wtp53) transcription factor activity, but also shows oncogenic gain of function that enhances metastasis and drug resistance through protein-protein interactions. However, the exact mechanism by which mutp53 induces drug resistance is poorly described. Moreover, strategies that directly target mutp53 have been challenging.

Objectives/Goal: Our goal is to ...


Identifying A Novel Hsp40/J-Domain Protein Inhibitor That Depletes Mutant P53 To Inhibit Cancer Malignancy, Shigeto Nishikawa 2022 Children's Mercy Kansas City

Identifying A Novel Hsp40/J-Domain Protein Inhibitor That Depletes Mutant P53 To Inhibit Cancer Malignancy, Shigeto Nishikawa

Research Days

Background: Accumulation of oncogenic mutant p53 (mutp53) greatly contributes to cancer progression. DNAJA1, which is a member of heat shock protein 40 (HSP40), also known as J-domain proteins (JDPs), plays a crucial role in the stabilization of misfolded forms of mutp53. Knockdown of DNAJA1 results in proteasomal degradation of misfolded mutp53, leading to tumor suppression. Currently, no HSP40/JDPs inhibitors are available in clinics.

Objectives/Goal: The goal of this study is to identify and characterize potential anti-cancer compounds which can induce mutp53 degradation by inhibiting HSP40/JDPs.

Methods/Design: To identify compounds that potentially bind to DNAJA1, we performed ...


Mdm2 Enhances Taxane Sensitivity By Inducing Stmn1 Degradation, Hongyi Ren 2022 Children's Mercy Kansas City

Mdm2 Enhances Taxane Sensitivity By Inducing Stmn1 Degradation, Hongyi Ren

Research Days

Background: MDM2, a major E3 ubiquitin ligase of p53, is overexpressed in ~30% of human cancers. Evidence showed that overexpressed MDM2 has p53-independent oncogenic functions and is correlated with poor prognosis. Given that MDM2 overexpression is cancer-specific, therapies targeting vulnerabilities imposed by MDM2 overexpression may cause cell death specifically in cancer cells with minimum side effects.

Objectives/Goal: Our goal is to identify drugs that specifically kill MDM2-overexpressing cancer cells in a p53- independent manner.

Methods/Design: We generated p53-knockout (p53KO) and p53/MDM2-double knockout (DKO) SJSA-1 osteosarcoma cells in which MDM2 gene is amplified by using the CRISPR-Cas9 system ...


Integration Of Biomedical Imaging And Translational Approaches For Management Of Head And Neck Cancer, Abdallah Mohamed, Abdallah Mohamed 2022 The University of Texas MD Anderson Cancer Center

Integration Of Biomedical Imaging And Translational Approaches For Management Of Head And Neck Cancer, Abdallah Mohamed, Abdallah Mohamed

The University of Texas MD Anderson Cancer Center UTHealth Graduate School of Biomedical Sciences Dissertations and Theses (Open Access)

The aim of the clinical component of this work was to determine whether the currently available clinical imaging tools can be integrated with radiotherapy (RT) platforms for monitoring and adaptation of radiation dose, prediction of tumor response and disease outcomes, and characterization of patterns of failure and normal tissue toxicity in head and neck cancer (HNC) patients with potentially curable tumors. In Aim 1, we showed that the currently available clinical imaging modalities can be successfully used to adapt RT dose based-on dynamic tumor response, predict oncologic disease outcomes, characterize RT-induced toxicity, and identify the patterns of disease failure. We ...


Investigating The Impact Of Hypoxia On Reactive Oxygen Species Generation Within Murine Breast Cancer Cells, Jared McPeake 2022 University of Arkansas, Fayetteville

Investigating The Impact Of Hypoxia On Reactive Oxygen Species Generation Within Murine Breast Cancer Cells, Jared Mcpeake

Biomedical Engineering Undergraduate Honors Theses

When cancer metastasizes from a primary tumor site to secondary site through the bloodstream or lymph, the cancer becomes more difficult to treat. For this reason, it is vital to study what indicates the metastatic potential of a tumor. Current research has shown that cell lines with high metastatic potential display increased levels of metabolic adaptability over their nonmetastatic counterparts after undergoing hypoxic conditions. One method of assessing this adaptability is to measure the concentration of reactive oxygen species (ROS) produced by the cells while undergoing oxidative stress. In highly adaptable metastatic cells, an increase of ROS buildup within the ...


Investigation Of Microbe And Host Tissue Interactions Contributing To The Pathogenesis Of Colorectal Cancer, Ryan Chapman, Dhundy Bastola 2022 University of Nebraska at Omaha

Investigation Of Microbe And Host Tissue Interactions Contributing To The Pathogenesis Of Colorectal Cancer, Ryan Chapman, Dhundy Bastola

Theses/Capstones/Creative Projects

Colorectal cancer (CRC) is one of the leading causes of cancer-related death worldwide. The pathogenesis of this disease can fall under broad categories; however, the specific precursory mechanism of CRC pathogenesis is still unknown. Dysregulations of the gut microbiome have been identified in the CRC tissue environment. Additionally, CRC tissue gene expression has been observed to differ from that of healthy tissue. Despite these noticeable changes, few studies have directly compared the microorganism composition to the gene expression of CRC tissue. Doing so may identify whether the differentially abundant microorganisms influence the changes in gene expression. The goal of this ...


Methods For Assessing Cellular Phenotypes Related To Aging And Longevity In Turtles, Stephanie E. Bulls 2022 University of South Alabama

Methods For Assessing Cellular Phenotypes Related To Aging And Longevity In Turtles, Stephanie E. Bulls

Theses and Dissertations

There are many costs associated with increased body size and longevity in animals, including the accumulation of genotoxic and cytotoxic damage that comes with having more cells and living longer. Yet, some species have overcome these barriers and have evolved remarkably large body sizes and long lifespans. Organisms with these unique phenotypes have come under recent genomic scrutiny to discover mechanisms of healthy aging and tumor suppression but little physiological work to validate these mechanisms has been conducted outside of mammals. Here I propose that reptiles, especially testudines (turtles), would be an excellent system to investigate the topics of size ...


Utilizing Pharmacology To Target Transcription Factors Involved With Cancer Onset And Development, Tristan D. Sanders 2022 West Virginia University

Utilizing Pharmacology To Target Transcription Factors Involved With Cancer Onset And Development, Tristan D. Sanders

Mountaineer Undergraduate Research Review

Transcription factors (TFs) are a vital part of every living organism on earth, as they allow for the correct genes to be expressed while much of the genome is never used. They can fall victim to mutations or manipulations that lead to the deregulation of many genes within a cell. If specific genes are over/under-expressed, a cell may become cancerous and begin replicating into a tumor. It has been demonstrated that common TFs associated with cancer can be targeted using small molecule drugs, and a popular target of these drugs is the DNA binding site on the TF along ...


Zntppea As A Potential Photosensitizer In Photodynamic Therapy, Marly Welborn, Joseph E. Bradshaw 2022 Ouachita Baptist University

Zntppea As A Potential Photosensitizer In Photodynamic Therapy, Marly Welborn, Joseph E. Bradshaw

Scholars Day Conference

Photodynamic therapy (PDT) is an emerging treatment that is used against certain types of cancer and other diseases. It functions using a photosensitizer in the presence of light that contributes to cell death in the desired tissues. This research centered on the development of a novel water-soluble porphyrin that could be utilized as a photosensitizer. Using ethanolamine the resulting compound, ZnTPP-EA, was created. Purification and characterization was carried out. The ZnTPP-EA was tested on the A549 lung cancer cell line using an MTT assay under light and dark conditions to assess the compound's effectiveness as a photosensitizer for PDT.


Jag1 Role In The Extravasation Of Metastasized Tnbc Tumor Cells, Bhavya Vegesna '23 2022 Illinois Mathematics and Science Academy

Jag1 Role In The Extravasation Of Metastasized Tnbc Tumor Cells, Bhavya Vegesna '23

Student Publications & Research

Breast cancer is the second leading cause of cancer death in women. Triple negative breast cancer (TNBC) is an aggressive subclass defined by its lack of hormonal receptors and HER2 amplification. Although TNBC only accounts for 15% of all invasive breast cancers, there are limited therapeutic options for patients with TNBC. Although breast cancer patients have a favorable prognosis if their tumor is detected early, patients with TNBC are prone to earlier recurrence and local/distant metastasis. Consequently, patients with metastatic TNBC have <15% relative 5-year survival rate. The development of metastasis in TNBC is a complex and poorly understood process that includes multiple steps such as genetic and epigenetic alterations, angiogenesis, epithelial-to-mesenchymal transition (EMT), intravasation, and extravasation. Expression of JAGGED-1 (JAG1), a Notch ligand, correlates with metastatic status and poor survival in clinical data. However, the exact mechanism in which JAG1 increases metastasis is unknown. We hypothesize that JAG1 increases metastasis by interacting with endothelial cells. In order to test this idea, we generated JAG1-knockout cells using CRISPR/Cas9 technologies and then modeled the extravasation of these cells compared to JAG1-positive cells. Specifically, we interrogated lung capillary extravasation after intravenous injection of TNBC cells. The lung was chosen due to the propensity of TNBC cells to invade the lung. Preliminary data demonstrates that JAG1 presented in tumor cells acts as a signaler to permit and promote extravasation and metastasis of the cancer cells. For further studies, the long term effects of tumor derived JAG1 will be studied to understand the consequences of JAG1 mediated extravasation on metastatic burden and survival.


Bis-Cinnamamide Derivatives As Ape/Ref-1 Inhibitors For The Treatment Of Human Melanoma, Razan Alhazmi, Shirley Tong, Shaban Darwish, Elina Khanjani, Bharti Khungar, Swati Chawla, Zhonghui Zheng, Richard Chamberlain, Keykavous Parang, Sun Yang 2022 Chapman University

Bis-Cinnamamide Derivatives As Ape/Ref-1 Inhibitors For The Treatment Of Human Melanoma, Razan Alhazmi, Shirley Tong, Shaban Darwish, Elina Khanjani, Bharti Khungar, Swati Chawla, Zhonghui Zheng, Richard Chamberlain, Keykavous Parang, Sun Yang

Pharmacy Faculty Articles and Research

Human malignant melanoma exhibits imbalances in redox status, leading to activation of many redox-sensitive signaling pathways. APE/Ref-1 is a multifunctional protein that serves as a redox chaperone that regulates many nuclear transcription factors and is an important mechanism in cancer cell survival of oxidative stress. Previous studies showed that APE/Ref-1 is a potential druggable target for melanoma therapy. In this study, we synthesized a novel APE/Ref-1 inhibitor, bis-cinnamoyl-1,12-dodecamethylenediamine (2). In a xenograft mouse model, compound 2 treatment (5 mg/kg) significantly inhibited tumor growth compared to the control group, with no significant systemic toxicity observed. We ...


The Effects Of Paclitaxel On Cellular Migration And The Cytoskeleton, Ashley Salguero-Gonzalez 2022 University of Southern Maine

The Effects Of Paclitaxel On Cellular Migration And The Cytoskeleton, Ashley Salguero-Gonzalez

Thinking Matters Symposium

In a clinical setting, some patients are exposed to an anti-cancer chemotherapy agent, paclitaxel. Cancerous cells undergo rapid, continuous cell division without control. Chemotherapy treatments try to slow and stop the uncontrollable cell division cycles and eliminate cancerous cells in the process. Paclitaxel serves as a treatment for some types of cancers, including lung, melanoma, bladder, and esophageal. Because it targets the cytoskeleton, paclitaxel can also influence cell migration. This project utilizes a cellular migration assay and an immunohistochemistry assay to analyze the effects of paclitaxel on the movement of cells and on the cytoskeleton of neuroglia rat cells with ...


Developing Novel Water-Soluble Porphyrins For Potential Use As Photosensitizers In Photodynamic Therapy, Kayla R. Whittington 2022 Ouachita Baptist University

Developing Novel Water-Soluble Porphyrins For Potential Use As Photosensitizers In Photodynamic Therapy, Kayla R. Whittington

Honors Theses

Photodynamic therapy (PDT) is a treatment modality for various illnesses, including some types of cancer. Lung cancer is the leading cause of cancer death in the United States. The prevalence of lung cancer in certain gender, racial, ethnic, and socioeconomic groups add to existing health disparities in the United States. For this reason, it is necessary to address the social determinants underlying lung cancer disparities, as well as improve treatment options. These treatment options should be cost effective, convenient, and increase survival rates. This research focused on synthesizing novel water-soluble porphyrin compounds for use as photosensitive agents in PDT for ...


Utilization Of Bioinformatics And Immunocytochemistry To Examine Gap Junction Expression In Breast Cancers Cells, Jasmine D. Carter, Giovanni Reyes, Abeeha K. Choudhary, Eric A. Albrecht 2022 Kennesaw State University - Dept of Molecular and Cellular Biology

Utilization Of Bioinformatics And Immunocytochemistry To Examine Gap Junction Expression In Breast Cancers Cells, Jasmine D. Carter, Giovanni Reyes, Abeeha K. Choudhary, Eric A. Albrecht

Symposium of Student Scholars

Utilization of Bioinformatics and Immunocytochemistry to Examine Gap Junction Expression in Breast Cancers Cells.

Jasmine D. Carter1, Giovanni Reyes1, Abeeha Choudhary2 and Eric A. Albrecht1

Breast cancer is known for its diverse clinical classifications and expressing different levels of membrane proteins such as ion channels and gap junctions. This diversity allows more variations in cell polarization, which can lead to enhanced directional ion fluxes in certain breast cancer subtypes. We utilized the interactive web portal UALCAN to evaluate the gene expression data of gap junctions, ion exchange channels and cytoskeletal proteins in breast cancer tissues. Our ...


Investigating The Efficacy Of Tazemetosttat For In Vitro Treatment Of Human Triple Negative Breast Cancer Cells, Harshita Indukuri 2022 Belmont University

Investigating The Efficacy Of Tazemetosttat For In Vitro Treatment Of Human Triple Negative Breast Cancer Cells, Harshita Indukuri

Honors Theses

Cancer is a formidable, genetic disease that affects many people, either directly or indirectly. Breast cancer is the most commonly diagnosed cancer worldwide (31). Triple-negative breast cancer (TNBC) is a type of breast cancer that has a higher lethality compared to other breast cancers and has a poor prognosis due to its highly invasive nature and limited treatment options. Finding safe, effective, and accessible treatment for TNBC is integral to treating TNBC patients. Tazemetostat is an EZH2-inhibitor that has recently been approved for use in epithelioid sarcoma (23). EZH2 is an overexpressed protein in many cancers, including TNBC (11). However ...


Role Of Sox18 In Promoting Tumorigenesis In Pediatric Cancer Cell Lines, Cherubina Rubannelsonkumar 2022 St. Mary's University

Role Of Sox18 In Promoting Tumorigenesis In Pediatric Cancer Cell Lines, Cherubina Rubannelsonkumar

St. Mary's University Honors Theses and Projects

Sarcomas constitute a high percentage (∼13%) of cancer-related deaths among pediatric patients between 0-19 years of age, with Rhabdomyosarcoma (RMS) being the most common pediatric soft tissue sarcoma and Ewing Sarcoma being the second most common malignant bone tumor in children. Yet, survival for those who develop such metastatic sarcomas remains below 20-30%. Interestingly, SOX family proteins are known to be up regulated in various cancer types and play a role in cancer progression (tumorigenesis, metastasis, etc.). More specifically, targeted knockdown of SOX18 has been shown to suppress various tumorigenic properties in cancer cell lines including osteosarcoma cells, hepatocellular carcinoma ...


Paratesticular Solitary Fibrous Tumour Mimicking Cellular Angiofibroma: An Unusual Morphology And Rare Site, Madiha Bilal Qureshi, Muhammad Usman, Qurratulain Chundriger, Nasir uddin 2022 Aga Khan University

Paratesticular Solitary Fibrous Tumour Mimicking Cellular Angiofibroma: An Unusual Morphology And Rare Site, Madiha Bilal Qureshi, Muhammad Usman, Qurratulain Chundriger, Nasir Uddin

Department of Pathology and Laboratory Medicine

Solitary fibrous tumour (SFT) is a ubiquitous benign mesenchymal tumour of fibroblastic origin, which occurs most often in middle-aged adults. It usually presents as lung mass originating from pleura, but extrapleural occurrence is also common. Tumour is characterised by hypo- and hyper-cellular areas of spindle-shaped cells, arranged in haphazard manner with dispersed staghorn-shaped vessels. Surgical excision is the curative treatment. SFTs of the primary testicular or paratesticular region are extremely rare, but they exhibit histologic findings similar to SFTs originating at other body sites. Here, we report the case of a paratesticular SFT in a 37-year male, who presented with ...


Geotemporospatial And Causal Inferential Epidemiological Overview And Survey Of Usa Cannabis, Cannabidiol And Cannabinoid Genotoxicity Expressed In Cancer Incidence 2003–2017: Part 2 – Categorical Bivariate Analysis And Attributable Fractions, Albert Stuart Reece, Gary Kenneth Hulse 2022 Edith Cowan University

Geotemporospatial And Causal Inferential Epidemiological Overview And Survey Of Usa Cannabis, Cannabidiol And Cannabinoid Genotoxicity Expressed In Cancer Incidence 2003–2017: Part 2 – Categorical Bivariate Analysis And Attributable Fractions, Albert Stuart Reece, Gary Kenneth Hulse

Research outputs 2022 to 2026

Background: As the cannabis-cancer relationship remains an important open question epidemiological investigation is warranted to calculate key metrics including Rate Ratios (RR), Attributable Fractions in the Exposed (AFE) and Population Attributable Risks (PAR) to directly compare the implicated case burden between emerging cannabinoids and the established carcinogen tobacco. Methods: SEER*Stat software from Centres for Disease Control was used to access age-standardized state census incidence of 28 cancer types (including “All (non-skin) Cancer”) from National Cancer Institute in US states 2001–2017. Drug exposures taken from the National Survey of Drug Use and Health 2003–2017, response rate 74.1 ...


Geotemporospatial And Causal Inferential Epidemiological Overview And Survey Of Usa Cannabis, Cannabidiol And Cannabinoid Genotoxicity Expressed In Cancer Incidence 2003–2017: Part 3 – Spatiotemporal, Multivariable And Causal Inferential Pathfinding And Exploratory Analyses Of Prostate And Ovarian Cancers, Albert Stuart Reece, Gary Kenneth Hulse 2022 Edith Cowan University

Geotemporospatial And Causal Inferential Epidemiological Overview And Survey Of Usa Cannabis, Cannabidiol And Cannabinoid Genotoxicity Expressed In Cancer Incidence 2003–2017: Part 3 – Spatiotemporal, Multivariable And Causal Inferential Pathfinding And Exploratory Analyses Of Prostate And Ovarian Cancers, Albert Stuart Reece, Gary Kenneth Hulse

Research outputs 2022 to 2026

Background: The epidemiology of cannabinoid-related cancerogenesis has not been studied with cutting edge epidemiological techniques. Building on earlier bivariate papers in this series we aimed to conduct pathfinding studies to address this gap in two tumours of the reproductive tract, prostate and ovarian cancer. Methods: Age-standardized cancer incidence data for 28 tumour types (including “All (non-skin) Cancer”) was sourced from Centres for Disease Control and National Cancer Institute using SEER*Stat software across US states 2001–2017. Drug exposure was sourced from the nationally representative household survey National Survey of Drug Use and Health conducted annually by the Substance Abuse ...


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