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Full-Text Articles in Neoplasms

Dermoid Cyst – Presenting With Llq Abdominal Pain, Mohammad A. Rattu, James A. Espinosa May 2024

Dermoid Cyst – Presenting With Llq Abdominal Pain, Mohammad A. Rattu, James A. Espinosa

Rowan-Virtua Research Day

Ovarian cysts are fluid-filled structures that may be defined as simple or complex and are often discovered incidentally on imaging. Their etiology can range from physiologically normal (such as follicular or luteal cysts) to ovarian malignancies. They are more common in the reproductive years secondary to endogenous hormonal production however may also occur at any age. Simple cysts more commonly occur among all age groups; mixed cystic and solid and completely solid ovarian lesions however have rates of increased malignancy. The most independent risk factor is age; therefore, post-menopausal women should have proper follow-up secondary to this risk. Some risk …


What Is The Efficacy Of The Newly Developed Hpv Vaccine, Cecolin, In Providing Protection Against Hpv-Induced Cervical Cancers In Females Aged 9-14 Years Old, Yolanda Williams May 2024

What Is The Efficacy Of The Newly Developed Hpv Vaccine, Cecolin, In Providing Protection Against Hpv-Induced Cervical Cancers In Females Aged 9-14 Years Old, Yolanda Williams

Rowan-Virtua Research Day

In low to middle income countries, there's a rise in invasive cervical squamous cell carcinoma. Affordability emerges as a crucial factor influencing this trend. This research is based on the development of a new HPV vaccine made in China called Ceolin priced at $47 and its efficacy to be incorporated into the WHO vaccination program. A peer review was conducted based on an ongoing randomized phase 3 clinical trial of a 2 dose regimen bivalent Cecolin vaccine (types 16,18) . The study includes 1025 females aged 9-14 years old split amongst 5 groups. The control group received Gardasil at the …


Efficacy Of Mcl-1 Inhibitors In Multiple Myeloma Cells Resistant To Bortezomib, Emily Nelson, Omar S. Al-Odat, Sabrina M. Paparo, Daniel A. Guirguis, Gabriella Yao, Manoj Pandey, Subash Jonnalagadda, Tulin Budak-Alpdogan May 2024

Efficacy Of Mcl-1 Inhibitors In Multiple Myeloma Cells Resistant To Bortezomib, Emily Nelson, Omar S. Al-Odat, Sabrina M. Paparo, Daniel A. Guirguis, Gabriella Yao, Manoj Pandey, Subash Jonnalagadda, Tulin Budak-Alpdogan

Rowan-Virtua Research Day

Multiple myeloma (MM) is a type of cancer that affects plasma B cells. Patients with MM often experience frequent relapses and can develop resistance to drugs. As a medical researcher, it is important to understand the role of Mcl-1 in preventing intrinsic apoptosis and drug resistance. Mcl-1 belongs to the anti-apoptotic subgroup of Bcl-2 family proteins and plays a crucial role in these processes. Mcl-1 plays a crucial role in driving disease progression and contributing to drug resistance in MM. It has been observed that there is an increased expression of Mcl-1 in 52% of patients with MM during diagnosis, …


Investigating The Therapeutic Potential Of Soursop In Treating Hematologic Malignancies, Sabrina Marie Paparo, Rebeca Mendoza, Robert Chitren, Omar Al-Odat, Emily Nelson, Subash Jonnalagadda, Roger Strair, Manoj Pandey May 2024

Investigating The Therapeutic Potential Of Soursop In Treating Hematologic Malignancies, Sabrina Marie Paparo, Rebeca Mendoza, Robert Chitren, Omar Al-Odat, Emily Nelson, Subash Jonnalagadda, Roger Strair, Manoj Pandey

Rowan-Virtua Research Day

Acute Myeloid Leukemia (AML) and Multiple Myeloma (MM) are hematologic malignancies that originate in the bone marrow and account for approximately 1.3% and 2% of cancer cases, respectively. AML is characterized by an accumulation of myeloblasts, or immature myeloid cells, that have the potential to spread to the peripheral blood. There is an uncontrolled proliferation of plasma cells in the bone marrow in MM. While the current treatment options for both AML and MM show promise in achieving initial remission, it is unfortunately common for patients to experience relapse and develop drug resistance. There is a theory that relapse and …


Pituitary Adenoma Presenting As Cranial Nerve Iii Palsy And Hemifacial Pain, Yoona Choe, Justin George, Matthew Boyle, Peter Maduka May 2024

Pituitary Adenoma Presenting As Cranial Nerve Iii Palsy And Hemifacial Pain, Yoona Choe, Justin George, Matthew Boyle, Peter Maduka

Rowan-Virtua Research Day

Pituitary adenomas are common neoplasms arising from the pituitary adenohypophyseal cell. They can be classified by cell type, size and as nonfunctioning or functioning based on the secretion of pituitary hormones. Of these, approximately 48% are macroadenomas (>10 mm) and approximately 53% are prolactinomas. For how common these adenomas are, only 1 of 1100 persons manifest clinical symptoms1 rendering detection and clinical management challenging.

Non-functioning adenomas are slow growing like most pituitary adenomas and are usually detected due to their mass effect on neighboring structures.2 The majority of the reported symptoms as a results of these mass …


Physical Medicine & Rehabilitation Referrals In Cancer Patients, Bhumik Patel, Venkateswar Venkataraman, Deanna Janora, Jack Goldberg May 2024

Physical Medicine & Rehabilitation Referrals In Cancer Patients, Bhumik Patel, Venkateswar Venkataraman, Deanna Janora, Jack Goldberg

Rowan-Virtua Research Day

Physical Medicine and Rehabilitation (PM&R) can address functional limitations in various conditions, including cancer. Cancer rehabilitation aims to address functional impairments resulting from both the disease itself and its treatments, striving to optimize physical, social, psychological, and vocational functioning. Existing literature indicates that PM&R services significantly benefit cancer patients by improving their overall quality of life. Studies have found that optimal utilization of PM&R services can increase the Functional Independence Measure (FIM) in cancer patients. Current National Comprehensive Cancer Network and American Cancer Society guidelines emphasize the importance of incorporating PM&R services into oncology care to enhance the function and …


Waiting For A Cure: Factors Influencing Melanoma Treatment Delays, Lisa Huang, David Rubin, Lothar Vidal, Jordan Riser, Christopher Jones, Samantha Hiester May 2024

Waiting For A Cure: Factors Influencing Melanoma Treatment Delays, Lisa Huang, David Rubin, Lothar Vidal, Jordan Riser, Christopher Jones, Samantha Hiester

Rowan-Virtua Research Day

Melanoma, with a five-year survival rate of 94% in early-stage diagnosis, drops significantly when diagnosed at later stages, making identifying barriers to timely treatment crucial. This literature review examines factors influencing melanoma treatment wait times and their impact on patient outcomes. Elderly, male, and Medicare patients, along with those with higher Breslow thickness and severe melanoma stages, experienced longer wait times. Patients receiving intervention within 30 days had better survival rates. Lack of knowledge and misconceptions about melanoma contribute to delayed care, particularly in communities with lower incidence rates. Black patients faced longer waits from diagnosis to surgery, indicating disparities. …


Sunscreen Cost And Its Effect On Skin Cancer In Low-Income Communities: A Systemic Review, John Sauer May 2024

Sunscreen Cost And Its Effect On Skin Cancer In Low-Income Communities: A Systemic Review, John Sauer

Rowan-Virtua Research Day

This research examines the pivotal connection between sunscreen affordability and its impact on skin cancer prevalence, especially in low-income communities. Despite universal dermatological recommendations for daily sunscreen use, stringent criteria contribute to elevated prices, averaging around $10 for a 6 oz unit. This financial strain is compounded for families adhering to recommended application rates, leading to significant economic burdens. Outdoor laborers, less likely to follow guidelines, face heightened risks. Government programs' excluding sunscreen costs further exacerbate challenges for low-income communities, contributing to increased skin cancer incidence. This review aims to establish a correlation between sunscreen cost and skin cancer rates, …


Utilizing Microwave Ablation In Combination With Vertebroplasty Is An Effective Method In Reducing Cancer Related Back Pain, Disability, And Opioid Use: A Systematic Review And Meta-Analysis, Jonathan Elias, Lothar Vidal, Richard Jermyn May 2024

Utilizing Microwave Ablation In Combination With Vertebroplasty Is An Effective Method In Reducing Cancer Related Back Pain, Disability, And Opioid Use: A Systematic Review And Meta-Analysis, Jonathan Elias, Lothar Vidal, Richard Jermyn

Rowan-Virtua Research Day

Background: It is estimated that metastases from primary malignant neoplasms affect the spine around 30%-70% of the time. Many times, these osteolytic tumors will cause the degradation of the vertebrae, leaving patients in a tremendous amount of pain, disability, and dependence on opioids as analgesics. Microwave ablation (MWA) followed by vertebroplasties (VP) has been a developing treatment for such a condition; however, there are no systematic reviews or meta-analyses examining the method’s effectiveness thus far.

Purpose: This systematic review and meta-analysis analyzes the 4-week and 12-week outcomes of patients with metastatic spinal cancer treated with the combinatorial treatment …


Case Report: An Emergency Department Presentation Of An Ovarian Teratoma, David Marconi, Zamron Masih May 2024

Case Report: An Emergency Department Presentation Of An Ovarian Teratoma, David Marconi, Zamron Masih

Rowan-Virtua Research Day

A teratoma (from the Greek terato for “monster” and onkoma for “mass” or “swelling”) is a type of neoplasm composed of tissues from two or three germ layers. Mature cystic teratomas (MCTs) constitute 70% of all ovarian neoplasms. They typically present with nonspecific symptoms such as pain and nausea. They account for approximately 2% of all primary ovarian malignant cancers and are predominately diagnosed via ultrasound. Computed tomography may be necessary if malignancy is suspected. Larger size warrants a higher suspicion of malignancy. Management is symptom control and ultimately, surgical removal. Prognosis is generally excellent, provided there is no malignant …


Comparative Analysis Of Health Outcomes In Gastric Cancer: Robotic Vs. Laparoscopic Gastrectomy, Maftuna Kurbonnazarova May 2024

Comparative Analysis Of Health Outcomes In Gastric Cancer: Robotic Vs. Laparoscopic Gastrectomy, Maftuna Kurbonnazarova

Rowan-Virtua Research Day

Exploring the most effective surgical approach for gastrectomy is crucial for determining superior health outcomes in patients. This research compares robotic and laparoscopic techniques with the aim of pinpointing the optimal method, offering valuable insights for improved postoperative well-being.


A Rare Presentation: Intracranial Hemorrhage As A Symptom Of Acute Leukemic Transformation In A 23-Year Old Male, Kelsey M. Murray, Kishan B. Patel May 2024

A Rare Presentation: Intracranial Hemorrhage As A Symptom Of Acute Leukemic Transformation In A 23-Year Old Male, Kelsey M. Murray, Kishan B. Patel

Rowan-Virtua Research Day

This case highlights the urgency of considering acute leukemic transformation in young patients presenting with neurological deficits, emphasizing the importance of prompt evaluation and management to optimize patient outcomes. The case depicted is a tragic complication of Chronic Myeloid Leukemia (CML) and its acute blast crisis. Remarkably, the patient exhibited none of the typical constitutional symptoms associated with CML.


Neoadjuvant Versus Adjuvant Therapy For Stage Iiib-Iiid Melanoma, Bhumik Patel, Sangnya Upadhyaya May 2024

Neoadjuvant Versus Adjuvant Therapy For Stage Iiib-Iiid Melanoma, Bhumik Patel, Sangnya Upadhyaya

Rowan-Virtua Research Day

The treatment landscape for advanced stage melanoma is rapidly evolving due to advancements in our understanding of melanoma biology and the emergence of novel therapies. This necessitates a comprehensive review to guide clinicians in adopting evidence based and patient centric approaches to treat stage IIIB-IIID melanoma. A literature review was conducted to synthesize current information on the most optimal treatment available. Data available from different clinical trials found that neoadjuvant therapy was a more effective treatment compared to adjuvant therapies alone. Furthermore, neoadjuvant therapy with combination therapy was more efficacious in producing a complete pathological response compared to monotherapy. A …


Barriers To Colorectal Cancer Screening For Low-Income Hispanic Men In Urban Areas Between 50-75, Alex Vega May 2023

Barriers To Colorectal Cancer Screening For Low-Income Hispanic Men In Urban Areas Between 50-75, Alex Vega

Rowan-Virtua Research Day

Colorectal cancer (CRC) is the second leading cause of cancer-related deaths in the United States. Although CRC screening rates have improved in non-Hispanic whites (NHW), Hispanic adult males (HAM) aged 50-75 in urban areas continue to experience low screening rates and higher CRC morbidity and mortality. This review aims to identify the barriers to CRC screening among HAM and propose targeted interventions to increase screening rates. A comprehensive literature review was conducted using databases such as PubMed, Scopus, and Google Scholar. Key search terms included "colorectal cancer", "screening", "Hispanic adult males", "urban", "barriers", and "interventions". Factors identified include poverty, language …


Cellular Metabolism Therapy Slowing Growth Rate Of Glioblastomas, Heet Patel May 2023

Cellular Metabolism Therapy Slowing Growth Rate Of Glioblastomas, Heet Patel

Rowan-Virtua Research Day

Glioblastoma Multiforme (GBM), more commonly known as glioblastomas, are a form of specialized brain tumors called gliomas. Glioblastomas most commonly occur in glial cells of the central nervous system and the average age of diagnosis is 64. Treatment methods implemented currently are surgery of the removable masses followed by courses of chemotherapy and radiotherapy. These methods can only prolong the life span by a few months and as such, new research focused on tumor cell metabolism is being conducted to determine its impact on the progression of this tumor. Tumor masses, such as Glioblastomas, modify their metabolism via the Warburg …


Evaluating The Effect Of A Taxane-Based Anti-Cancer Drug On The Adult Taste Organ Using A Mouse Model, Archana Kumari, Lucre'ce Estropia May 2023

Evaluating The Effect Of A Taxane-Based Anti-Cancer Drug On The Adult Taste Organ Using A Mouse Model, Archana Kumari, Lucre'ce Estropia

Rowan-Virtua Research Day

Chemosensory alteration is one of the major side effects of chemotherapy that can negatively impact the quality of life of cancer patients. Decreased appetite and food aversions can consequently lead to substantial reductions in food intake and thereby malnutrition and poor patient outcomes. The chemotherapeutic agent, taxane (docetaxel), is an effective choice of treatment for breast cancer, gastric cancer, or prostate cancer. Despite its major effects as an anti-cancer medication, patients under taxane treatments have reported taste alterations. Essentially, the drug disrupts normal microtubule growth by inhibiting microtubule depolymerization. By binding to ß-tubulin, a major component of mitotic spindles, docetaxel …


Mcl-1 Inhibition Modulates Erk-Mediated Resistance In Multiple Myeloma, Omar Al-Odat, Krishne Gowda, Shantu Amin, Tulin Budak-Alpdogan, Subash Jonnalagadda, Manoj Pandey May 2023

Mcl-1 Inhibition Modulates Erk-Mediated Resistance In Multiple Myeloma, Omar Al-Odat, Krishne Gowda, Shantu Amin, Tulin Budak-Alpdogan, Subash Jonnalagadda, Manoj Pandey

Rowan-Virtua Research Day

Novel multiple myeloma (MM) treatments have significantly improved over the previous several decades, primarily on account of targeting bone marrow microenvironment (BMM) pathways. However, drug resistance and patient relapse remain major clinical problems. The role of BMM in the upregulation of anti-apoptotic protein Mcl-1 is well documented. The Mcl-1 protein plays a critical role in the progression and acquired drug resistance in MM. The regulation of Mcl-1, a protein characterized by a short half-life, from transcription to degradation is crucial for understanding its role in cell survival. The GSK3β and Erk play important role in the stability of Mcl-1. Also, …


The Clinical Definition And Characterization Of Field Of Cancerization In Patients With Actinic Keratoses, Stuti Prajapati, Christina Kontzias, Mallory Zaino, Steven Feldman May 2023

The Clinical Definition And Characterization Of Field Of Cancerization In Patients With Actinic Keratoses, Stuti Prajapati, Christina Kontzias, Mallory Zaino, Steven Feldman

Rowan-Virtua Research Day

Introduction: Chronic UV radiation affects the entire area of skin exposed, leading to visible actinic keratoses (AK) and subclinical changes in the surrounding skin. AKs are hyperkeratotic lesions, with a 0.025-16% risk of transforming into squamous cell carcinoma (SCC).1 Cellular atypia around AKs is the field of cancerization (FOC). Topical AK therapies can treat the FOC, while destructive treatments address visible lesions. FDA-approved products may be approved for field sizes up to 25 cm2.1,2

Objective: To characterize the FOC and assess the correlation between the FOC and number of AKs.

Methods: 100 patients with AKs were recruited. FOC was defined …


Barriers To Dermatological Care In Patients Who Received Extensive Mohs Surgery - An In-Depth Qualitative Analysis, Stuti Prajapati, Mallory Zaino, Christina Kontzias, Laura Doerfler, Steven R. Feldman May 2023

Barriers To Dermatological Care In Patients Who Received Extensive Mohs Surgery - An In-Depth Qualitative Analysis, Stuti Prajapati, Mallory Zaino, Christina Kontzias, Laura Doerfler, Steven R. Feldman

Rowan-Virtua Research Day

Background: Dermatological care needs to be accessible for the elderly, but they face prominent challenges contributing to delays in diagnosis and treatment. Prolonged management of may lead to widespread cutaneous malignancies, necessitating extensive Mohs surgery.

Objective: To identify areas for early intervention in the geriatric population who have undergone extensive Mohs surgery.

Methods: We performed a qualitative study on 10 patients 65 years and older (68-91) from Atrium Health Wake Forest Baptist dermatology clinics between December 2022 and February 2023, who had extensive Mohs surgery (3 or more layers removed).

Results: Three major areas for potential intervention for cutaneous carcinoma …


The Effect Of Socioeconomic Status On Primary Care Access And Cancer Screening Rates, Seth Spicer, Liam Courtney, Alyssa Laguerta, Abdul Sanni-Adam, Bharathi Balaji May 2023

The Effect Of Socioeconomic Status On Primary Care Access And Cancer Screening Rates, Seth Spicer, Liam Courtney, Alyssa Laguerta, Abdul Sanni-Adam, Bharathi Balaji

Rowan-Virtua Research Day

Background: Low cancer screening rates among specific demographics are major health issues that lead to disparities in health outcomes. Early cancer detection is crucial for cure; however, it is not well known how age, race, gender, primary care access, and socio-economic status affect cancer screening rates. This review discusses the importance of cancer screening and the factors that affect screening rates.

Purpose: The purpose of this paper is to investigate how access to primary care affects cancer screening rates, with consideration to age, race, socioeconomic status, and primary care access in order to improve screening rates in underserved populations.

Methods: …


Perioperative Ketamine Use For Post Mastectomy Pain, Alessia Cooney, Jaylyn Thompson, Naomi Watkins-Granville May 2023

Perioperative Ketamine Use For Post Mastectomy Pain, Alessia Cooney, Jaylyn Thompson, Naomi Watkins-Granville

Rowan-Virtua Research Day

PMPS is defined as chronic neuropathic pain following breast cancer procedures in the ipsilateral arm, chest wall, axilla or shoulder.1-3 Approximately 20 to 50% of post mastectomy patients suffer from Post Mastectomy Pain Syndrome (PMPS).1 With more than 3.8 million breast cancer survivors, due to advances in treatment, there is increased importance in findings ways to better manage the quality of life of breast cancer survivors.1,4 Ketamine induces analgesic effects through its non-competitive antagonism of NDMA receptors.5 Low doses of ketamine infusion (20–30 mg x h−1) have been shown to produce analgesia in neuropathic pain states with benefits lasting up …


Extragonadal Perirectal Mature Cystic Teratoma In The Adult Male, Pranamaya Mahankali, Liam Trimble, Diana Panciera, Hui Li, Thaer Obaid May 2022

Extragonadal Perirectal Mature Cystic Teratoma In The Adult Male, Pranamaya Mahankali, Liam Trimble, Diana Panciera, Hui Li, Thaer Obaid

Rowan-Virtua Research Day

A teratoma is a mass that originates from the germ cells of the three primitive embryonic layers and commonly arises from the ovaries or testicles, thereby characterized as gonadal in origin. These masses comprise different types of tissues such as fat, hair, muscle, and bone. Extragonadal teratomas are uncommon and arise from anatomical locations other than the gonads, such as the pineal gland, anterior mediastinum, retroperitoneum, and sacrococcygeal regions. The most common is the presacral region, as it contains tissue derived from all germ layers. Tumors in this specific location are far more common in neonates, infants, and children rather …


Neoadjuvant Chemotherapy As A Risk Factor For Urinary Anastomotic Leak In Patients Undergoing Radical Cystectomy, Young Son, Katelyn Klimowich, Joseph Flemming, Lance Earnshaw, Benjamin Fink, Brian Thomas, Thomas Mueller May 2022

Neoadjuvant Chemotherapy As A Risk Factor For Urinary Anastomotic Leak In Patients Undergoing Radical Cystectomy, Young Son, Katelyn Klimowich, Joseph Flemming, Lance Earnshaw, Benjamin Fink, Brian Thomas, Thomas Mueller

Rowan-Virtua Research Day

Muscle-invasive bladder cancer (MIBC) represents approximately 25% of all bladder cancer and carries a significant risk of mortality. Neoadjuvant chemotherapy (NAC) and radical cystectomy (RC) is the standard of care for MIBC. One complication associated with RC is ureteral anastomotic leak with a predicted rate of 3%. The objective of this National Surgical Quality Improvement Project (NSQIP) database analysis is to determine if correlations exist between radiation (RAD) and/or NAC before RC and anastomotic leak in the treatment of MIBC.


Bilateral Teratomas In Pediatric Patient With Unilateral Ovarian Torsion, David Ho, Maya Borowczak, Archana Verma May 2022

Bilateral Teratomas In Pediatric Patient With Unilateral Ovarian Torsion, David Ho, Maya Borowczak, Archana Verma

Rowan-Virtua Research Day

Ovarian torsion is a surgical emergency found in both pediatric and adult populations. It involves the full or partial rotation of the vessels that supply the ovary, resulting in ischemia. In this report, we present the case of a pediatric patient arriving to the Pediatric Emergency Department (PED) for evaluation of right lower quadrant (RLQ) abdominal pain, who was found to have an ovarian torsion. In this particular case, the patient’s ovarian torsion was due to a teratoma, and imaging would later identify an additional smaller teratoma on the contralateral side. This case shows the importance of considering ovarian pathologies …


Case Report: Glioblastoma Tumor Presenting With Mild Changes In Memory, Samuel Thalathoti, Nicholas Palladino, James Espinosa, Alan Lucerna May 2022

Case Report: Glioblastoma Tumor Presenting With Mild Changes In Memory, Samuel Thalathoti, Nicholas Palladino, James Espinosa, Alan Lucerna

Rowan-Virtua Research Day

We report a case of a 66-year-old female who presented to the ED with generalized headache and mild confusion, who was diagnosed with high-grade glial neoplasm. The differential diagnosis of headache is vast, but without red flags or symptoms is generally from a benign cause and easily treatable. However, even in the context of a normal neurologic physical exam, symptoms such as confusion, forgetfulness, and behavioral changes should merit imaging in the workup. Glioblastoma is the most common brain tumor, accounting for 47.7% of all cases, with an incidence of 3.21 per 100,000 population. Median age of diagnosis is 64 …


Factors And Outcomes Contributing To Pelvic Lymph Node Dissection In Non-Muscle Invasive Bladder Cancer, Young Son, Brian Thomas, Lance Earnshaw, Mark Quiring, Erica Martel, Benjamin Fink, Raeann Dalton, Thomas Mueller, Philip Dorsey May 2022

Factors And Outcomes Contributing To Pelvic Lymph Node Dissection In Non-Muscle Invasive Bladder Cancer, Young Son, Brian Thomas, Lance Earnshaw, Mark Quiring, Erica Martel, Benjamin Fink, Raeann Dalton, Thomas Mueller, Philip Dorsey

Rowan-Virtua Research Day

Bladder cancer represents the 6th most common for men and is classified into muscle-invasive bladder cancer (MIBC) and non-muscle-invasive bladder cancer (NMIBC). NMIBC (T1, Ta, Tis), accounting for approximately 75% of new bladder cancer diagnoses, is limited to the mucosa, submucosa, and lamina propria. Studies have approximated the rate of recurrence in NMIBC between 50 - 70%, which sometimes progresses to muscle invasive disease. Management of NMIBC ranges from surveillance, intravesical chemotherapy to radical cystectomy (RC) and is dependent upon the TNM staging and grading of the tumor. Clinically, staging is determined via imaging, physical exam, and histology on transurethral …


Substrate-Specific Effect On Sirtuin Conformation And Oligomerization, Jie Yang, Shannon L. Dwyer, Nathan I. Nicely, Brian P. Weiser May 2022

Substrate-Specific Effect On Sirtuin Conformation And Oligomerization, Jie Yang, Shannon L. Dwyer, Nathan I. Nicely, Brian P. Weiser

Rowan-Virtua Research Day

Human sirtuins are a family of nicotinamide adenine dinucleotide (NAD +)-dependent enzymes that are responsible for removing acyl modifications from lysine residues. Sirtuins are involved in the formation and proliferation of cancers and are thought to regulate the progression of neurodegenerative diseases. Although sirtuins can be pharmacologically targeted by small molecules, it is not easy to modulate the substrate selectivity of sirtuins despite the chemical diversity of their substrates. Here, we report substrate-specific effects on sirtuin conformation and oligomerization that regulate enzyme deacylase activity. We used fluorescent acyl peptide probes to study substrate interactions with two sirtuin isoforms: SIRT2 and …


The Utilization Of Osteoarticular Transfer System In The Treatment Of Distal Femur Osteoid Osteoma: A Case Report, Nikki A. Doerr, Efstratios A. Papadelis, Alec S. Kellish, Matthew T. Kleiner, Christina Gutowski May 2022

The Utilization Of Osteoarticular Transfer System In The Treatment Of Distal Femur Osteoid Osteoma: A Case Report, Nikki A. Doerr, Efstratios A. Papadelis, Alec S. Kellish, Matthew T. Kleiner, Christina Gutowski

Rowan-Virtua Research Day

We describe a technique for excision of subchondral epiphyseal bone lesions in the distal femur in skeletally immature patients that mitigates risk of complications associated with physeal injury, incomplete tumor resection, and iatrogenic injury to the overlying cartilage.


The Impact Of Racial Disparities And Outcomes On Urinary Anastomotic Leak In Radical Prostatectomy, Young Son, Benjamin A. Fink, Lance Earnshaw, Brian Thomas, Fred Okoye, Ryan Moriarty, Kathryn Goettle, Thomas Mueller May 2022

The Impact Of Racial Disparities And Outcomes On Urinary Anastomotic Leak In Radical Prostatectomy, Young Son, Benjamin A. Fink, Lance Earnshaw, Brian Thomas, Fred Okoye, Ryan Moriarty, Kathryn Goettle, Thomas Mueller

Rowan-Virtua Research Day

Prostate cancer is the leading malignancy and third most common cause of cancer death among men. In the United States, racial disparities exist in prostate cancer incidence and mortality rates. According to the National Cancer Institute, African American (AA) men have a significantly increased incidence of prostate cancer compared to Caucasians or Asians. Urinary leak at the urethrovesical anastomosis has been cited as a complication of radical prostatectomy (RP), with incidence rates as high as 23%. Urinary anastomotic leak is associated with increased rates of ileus, prolonged hospitalization rates, and longer time to achieve continence. The etiology of risk factors …


Effect Of Uracil Dna Glycosylase Activity On The Efficacy Of Thymidylate Synthase Inhibitor/Hdac Inhibitor Combination Therapies In Colon Cancer, Rashmi Kulkarni, Brian P Weiser May 2022

Effect Of Uracil Dna Glycosylase Activity On The Efficacy Of Thymidylate Synthase Inhibitor/Hdac Inhibitor Combination Therapies In Colon Cancer, Rashmi Kulkarni, Brian P Weiser

Rowan-Virtua Research Day

Human uracil DNA glycosylase (UNG2) is responsible for removing uracil bases from DNA and initiates base excision repair pathways. Accumulation of uracil or its fluorinated analogs in DNA is one of the killing mechanisms of thymidylate synthase (TS) inhibitors in cancer cells, and depletion of UNG2 often enhances the toxicity of these anticancer drugs. We tested the effect of UNG2 KO on the efficacy of multiple TS inhibitors (5-fluorouracil, fluorodeoxyuridine, and pemetrexed) and we determined that, except for 5-fluorouracil, all other TS inhibitors were significantly more potent in UNG2 KO cells compared to wild-type HT29 cells. Interestingly, UNG2 protein levels …