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Oncology

University of Kentucky

2019

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Articles 1 - 30 of 38

Full-Text Articles in Medicine and Health Sciences

Chloroquine Induction Par-4 And Treatment Of Cancer, Vivek M. Rangnekar Dec 2019

Chloroquine Induction Par-4 And Treatment Of Cancer, Vivek M. Rangnekar

Radiation Medicine Faculty Patents

Described herein are methods for treating cancer in a subject in need thereof by administering chloroquine, or a salt or prodrug thereof, optionally with another agent that promotes Par-4 production to induce prostate apoptosis response-4 (Par-4) production by host cells, particularly non-cancerous host cells, to promote apoptosis in cancer cells, including androgen insensitive prostate cancer cells.


Methods To Impair Hematologic Cancer Progenitor Cells And Compounds Related Thereto, Craig Jordan Dec 2019

Methods To Impair Hematologic Cancer Progenitor Cells And Compounds Related Thereto, Craig Jordan

Internal Medicine Faculty Patents

Primitive or progenitor hematologic cancer cells have been implicated in the early stages and development of leukemia and malignant lymphoproliferative disorders, including acute myelogenous leukemia (AML), chronic myelogenous leukemia (CML) and chronic lymphoid leukemia (CLL). Interleukin-3 receptor alpha chain (IL-3Ra or CD123) is strongly expressed on progenitor hematologic cancer cells, but is virtually undetectable on normal bone marrow cells. The present invention provides methods of impairing progenitor hematologic cancer (e.g., leukemia and lymphomic) cells by selectively targeting cells expressing CD123. These methods are useful in the detection and treatment of leukemias and malignant lymphoproliferative disorders. Also provided are compounds useful …


Chronic Muscle Weakness And Mitochondrial Dysfunction In The Absence Of Sustained Atrophy In A Preclinical Sepsis Model, Allison M. Owen, Samir P. Patel, Jeffrey D. Smith, Beverly K. Balasuriya, Stephanie F. Mori, Gregory S. Hawk, Arnold J. Stromberg, Naohide Kuriyama, Masao Kaneki, Alexander G. Rabchevsky, Timothy A. Butterfield, Karyn A. Esser, Charlotte A. Peterson, Marlene E. Starr, Hiroshi Saito Dec 2019

Chronic Muscle Weakness And Mitochondrial Dysfunction In The Absence Of Sustained Atrophy In A Preclinical Sepsis Model, Allison M. Owen, Samir P. Patel, Jeffrey D. Smith, Beverly K. Balasuriya, Stephanie F. Mori, Gregory S. Hawk, Arnold J. Stromberg, Naohide Kuriyama, Masao Kaneki, Alexander G. Rabchevsky, Timothy A. Butterfield, Karyn A. Esser, Charlotte A. Peterson, Marlene E. Starr, Hiroshi Saito

Physiology Faculty Publications

Chronic critical illness is a global clinical issue affecting millions of sepsis survivors annually. Survivors report chronic skeletal muscle weakness and development of new functional limitations that persist for years. To delineate mechanisms of sepsis-induced chronic weakness, we first surpassed a critical barrier by establishing a murine model of sepsis with ICU-like interventions that allows for the study of survivors. We show that sepsis survivors have profound weakness for at least 1 month, even after recovery of muscle mass. Abnormal mitochondrial ultrastructure, impaired respiration and electron transport chain activities, and persistent protein oxidative damage were evident in the muscle of …


Multiple Sclerosis Outcomes After Cancer Immunotherapy, Catherine R. Garcia, Rani Jayswal, Val R. Adams, Lowell B. Anthony, John L. Villano Oct 2019

Multiple Sclerosis Outcomes After Cancer Immunotherapy, Catherine R. Garcia, Rani Jayswal, Val R. Adams, Lowell B. Anthony, John L. Villano

Markey Cancer Center Faculty Publications

INTRODUCTION: Neurological immune-related adverse events are a rare but potentially deadly complication after immune checkpoint inhibitor (ICI) treatment. As multiple sclerosis (MS) is an immune-mediated disease, it is unknown how ICI treatment may affect outcomes.

METHODS: We analyzed the United States Food and Drug Administration (FDA) Adverse Event Reporting System (FAERS) database for pembrolizumab, atezolizumab, nivolumab, ipilimumab, avelumab, and durvalumab 2 years prior their FDA approval until December 31, 2017, to include all cases with confirmed diagnosis/relapse of MS. We also included cases reported in the literature and a patient from our institution.

RESULTS: We identified 14 cases of MS …


N-Glycosylation-Defective Splice Variants Of Neuropilin-1 Promote Metastasis By Activating Endosomal Signals, Xiuping Huang, Qing Ye, Min Chen, Aimin Li, Wenting Mi, Yuxin Fang, Yekaterina Y. Zaytseva, Kathleen L. O'Connor, Craig W. Vander Kooi, Side Liu, Qing-Bai She Aug 2019

N-Glycosylation-Defective Splice Variants Of Neuropilin-1 Promote Metastasis By Activating Endosomal Signals, Xiuping Huang, Qing Ye, Min Chen, Aimin Li, Wenting Mi, Yuxin Fang, Yekaterina Y. Zaytseva, Kathleen L. O'Connor, Craig W. Vander Kooi, Side Liu, Qing-Bai She

Markey Cancer Center Faculty Publications

Neuropilin-1 (NRP1) is an essential transmembrane receptor with a variety of cellular functions. Here, we identify two human NRP1 splice variants resulting from the skipping of exon 4 and 5, respectively, in colorectal cancer (CRC). Both NRP1 variants exhibit increased endocytosis/recycling activity and decreased levels of degradation, leading to accumulation on endosomes. This increased endocytic trafficking of the two NRP1 variants, upon HGF stimulation, is due to loss of N-glycosylation at the Asn150 or Asn261 site, respectively. Moreover, these NRP1 variants enhance interactions with the Met and β1-integrin receptors, resulting in Met/β1-integrin co-internalization and co-accumulation on endosomes. This provides persistent …


Advances In Gene Ontology Utilization Improve Statistical Power Of Annotation Enrichment, Eugene Waverly Hinderer Iii, Robert M. Flight, Rashmi Dubey, James N. Macleod, Hunter N. B. Moseley Aug 2019

Advances In Gene Ontology Utilization Improve Statistical Power Of Annotation Enrichment, Eugene Waverly Hinderer Iii, Robert M. Flight, Rashmi Dubey, James N. Macleod, Hunter N. B. Moseley

Maxwell H. Gluck Equine Research Center Faculty Publications

Gene-annotation enrichment is a common method for utilizing ontology-based annotations in gene and gene-product centric knowledgebases. Effective utilization of these annotations requires inferring semantic linkages by tracing paths through edges in the ontological graph, referred to as relations. However, some relations are semantically problematic with respect to scope, necessitating their omission or modification lest erroneous term mappings occur. To address these issues, we created the Gene Ontology Categorization Suite, or GOcats—a novel tool that organizes the Gene Ontology into subgraphs representing user-defined concepts, while ensuring that all appropriate relations are congruent with respect to scoping semantics. Here, we demonstrate the …


Imaging Of Glucose Metabolism By 13c-Mri Distinguishes Pancreatic Cancer Subtypes In Mice, Shun Kishimoto, Jeffrey R. Brender, Daniel R. Crooks, Shingo Matsumoto, Tomohiro Seki, Nobu Oshima, Hellmut Merkle, Penghui Lin, Galen Reed, Albert P. Chen, Jan Henrik Ardenkjaer-Larsen, Jeeva Munasinghe, Keita Saito, Kazutoshi Yamamoto, Peter L. Choyke, James Mitchell, Andrew N. Lane, Teresa W. M. Fan, W. Marston Linehan, Murali C. Krishna Aug 2019

Imaging Of Glucose Metabolism By 13c-Mri Distinguishes Pancreatic Cancer Subtypes In Mice, Shun Kishimoto, Jeffrey R. Brender, Daniel R. Crooks, Shingo Matsumoto, Tomohiro Seki, Nobu Oshima, Hellmut Merkle, Penghui Lin, Galen Reed, Albert P. Chen, Jan Henrik Ardenkjaer-Larsen, Jeeva Munasinghe, Keita Saito, Kazutoshi Yamamoto, Peter L. Choyke, James Mitchell, Andrew N. Lane, Teresa W. M. Fan, W. Marston Linehan, Murali C. Krishna

Center for Environmental and Systems Biochemistry Faculty Publications

Metabolic differences among and within tumors can be an important determinant in cancer treatment outcome. However, methods for determining these differences non-invasively in vivo is lacking. Using pancreatic ductal adenocarcinoma as a model, we demonstrate that tumor xenografts with a similar genetic background can be distinguished by their differing rates of the metabolism of 13C labeled glucose tracers, which can be imaged without hyperpolarization by using newly developed techniques for noise suppression. Using this method, cancer subtypes that appeared to have similar metabolic profiles based on steady state metabolic measurement can be distinguished from each other. The metabolic maps from …


Phospholipases D: Making Sense Of Redundancy And Duplication, Andrew J. Morris Jun 2019

Phospholipases D: Making Sense Of Redundancy And Duplication, Andrew J. Morris

Internal Medicine Faculty Publications

Why have two genes when one would suffice? Evolutionary pressure means that biology, unlike government, is generally intolerant of wasted effort. Therefore, when multiple genes exist presumably they are there to provide some benefit to the organism even if that benefit is not immediately obvious to us scientists. A recent report from Raghu and colleagues (Biosci. Rep. (2018) 38, pii: BSR20181690) [1] sheds some light on one possible reason for the existence of two Phospholipases D genes in chordates when only one is present in invertebrates.


Microrna Regulation Of Epigenetic Modifiers In Breast Cancer, Brock Humphries, Zhishan Wang, Chengfeng Yang Jun 2019

Microrna Regulation Of Epigenetic Modifiers In Breast Cancer, Brock Humphries, Zhishan Wang, Chengfeng Yang

Toxicology and Cancer Biology Faculty Publications

Epigenetics refers to the heritable changes in gene expression without a change in the DNA sequence itself. Two of these major changes include aberrant DNA methylation as well as changes to histone modification patterns. Alterations to the epigenome can drive expression of oncogenes and suppression of tumor suppressors, resulting in tumorigenesis and cancer progression. In addition to modifications of the epigenome, microRNA (miRNA) dysregulation is also a hallmark for cancer initiation and metastasis. Advances in our understanding of cancer biology demonstrate that alterations in the epigenome are not only a major cause of miRNA dysregulation in cancer, but that miRNAs …


A Transfer Learning Approach For Malignant Prostate Lesion Detection On Multiparametric Mri, Quan Chen, Shiliang Hu, Peiran Long, Fang Lu, Yujie Shi, Yunpeng Li Jun 2019

A Transfer Learning Approach For Malignant Prostate Lesion Detection On Multiparametric Mri, Quan Chen, Shiliang Hu, Peiran Long, Fang Lu, Yujie Shi, Yunpeng Li

Radiation Medicine Faculty Publications

Purpose: In prostate focal therapy, it is important to accurately localize malignant lesions in order to increase biological effect of the tumor region while achieving a reduction in dose to noncancerous tissue. In this work, we proposed a transfer learning–based deep learning approach, for classification of prostate lesions in multiparametric magnetic resonance imaging images. Methods: Magnetic resonance imaging images were preprocessed to remove bias artifact and normalize the data. Two state-of-the-art deep convolutional neural network models, InceptionV3 and VGG-16, were pretrained on ImageNet data set and retuned on the multiparametric magnetic resonance imaging data set. As lesion appearances differ by …


Collaborative Molecular Epidemiology Study Of Metabolic Dysregulation, Dna Methylation, And Breast Cancer Risk Among Nigerian Women: Mend Study Objectives And Design, Tomi Akinyemiju, Omolola Salako, Adetola Daramola, Olusegun Alatise, Adewale Adeniyi, Gabriel Ogun, Omobolaji Ayandipo, Thomas Olajide, Olalekan Olasehinde, Olukayode Arowolo, Adewale Adisa, Oludolapo Afuwape, Aralola Olusanya, Aderemi Adegoke, Akinlolu Ojo, Trygve Tollefsbol, Donna K. Arnett Jun 2019

Collaborative Molecular Epidemiology Study Of Metabolic Dysregulation, Dna Methylation, And Breast Cancer Risk Among Nigerian Women: Mend Study Objectives And Design, Tomi Akinyemiju, Omolola Salako, Adetola Daramola, Olusegun Alatise, Adewale Adeniyi, Gabriel Ogun, Omobolaji Ayandipo, Thomas Olajide, Olalekan Olasehinde, Olukayode Arowolo, Adewale Adisa, Oludolapo Afuwape, Aralola Olusanya, Aderemi Adegoke, Akinlolu Ojo, Trygve Tollefsbol, Donna K. Arnett

Epidemiology and Environmental Health Faculty Publications

PURPOSE To elucidate the role of metabolic dysregulation and associated DNA methylation changes on breast cancer risk and aggressive subtypes among Nigerian women. We describe the design and methods of a collaborative molecular epidemiology study of breast cancer in Nigerian hospitals.

METHODS The Mechanisms for Novel and Established Risk Factors for Breast Cancer in Women of Nigerian Descent (MEND) study was designed as a matched case-control study of 350 patients, age 18 to 75 years, with newly diagnosed, treatment-naïve breast cancer and 350 age-matched healthy controls from surrounding geographic areas. Patients with breast cancer seen for initial diagnosis at four …


Initial Management Of Meningiomas: Analysis Of The National Cancer Database, Catherine R. Garcia, Stacey A. Slone, Monica Chau, Janna H. Neltner, Thomas A. Pittman, John L. Villano Jun 2019

Initial Management Of Meningiomas: Analysis Of The National Cancer Database, Catherine R. Garcia, Stacey A. Slone, Monica Chau, Janna H. Neltner, Thomas A. Pittman, John L. Villano

Neurology Faculty Publications

BACKGROUND: Meningiomas are the most common central nervous system tumor. We describe current trends in treatment and survival using the largest cancer dataset in the United States.

METHODS: We analyzed the National Cancer Database from 2004 to 2014, for all patients with diagnosis of meningioma.

RESULTS: 201,765 cases were analyzed. Patients were most commonly White (81.9%) females (73.2%) with a median age of 64 years. Fifty percent of patients were diagnosed by imaging. Patients were reported as grade I (24.9%), grade II (5.0%), grade III (0.7%), or unknown WHO grade (69.4%). Patients diagnosed by imaging were older, received treatment in …


Tumor Heterogeneity As A Predictor Of Response To Neoadjuvant Chemotherapy In Locally Advanced Rectal Cancer, Alissa Greenbaum, David R. Martin, Therese J. Bocklage, Ji-Hyun Lee, Scott A. Ness, Ashwani Rajput Jun 2019

Tumor Heterogeneity As A Predictor Of Response To Neoadjuvant Chemotherapy In Locally Advanced Rectal Cancer, Alissa Greenbaum, David R. Martin, Therese J. Bocklage, Ji-Hyun Lee, Scott A. Ness, Ashwani Rajput

Pathology and Laboratory Medicine Faculty Publications

BACKGROUND: Neoadjuvant chemoradiotherapy (nCRT) is the standard of care for locally advanced adenocarcinoma of the rectum, but it is currently unknown which patients have disease that will respond. This study tested the correlation between response to nCRT and intratumoral heterogeneity using next-generation sequencing assays.

PATIENTS AND METHODS: DNA was extracted from formalin-fixed, paraffin-embedded biopsy samples from a cohort of patients with locally advanced rectal adenocarcinoma (T3/4 or N1/2 disease) who received nCRT. High read-depth sequencing of > 400 cancer-relevant genes was performed. Tumor mutations and variant allele frequencies were used to calculate mutant-allele tumor heterogeneity (MATH) scores as measures of intratumoral …


Secreted Tumor-Associated Cytochrome As A Blood-Based Biomarker For Cancer, Rolf Joseph Craven May 2019

Secreted Tumor-Associated Cytochrome As A Blood-Based Biomarker For Cancer, Rolf Joseph Craven

Pharmacology and Nutritional Sciences Faculty Patents

Disclosed herein are methods for detecting Pgrmc 1 in bodily fluids, e.g., blood, plasma and serum, wherein detection of Pgrmcl is a biomarker for the presence of cancer, e.g., lung cancer or head or neck cancer. Pgrmc 1 levels in bodily fluids may be used to predict patient prognosis, e.g., survival and response to therapy.


Disparities In Prostate Cancer Survival In Appalachian Kentucky: A Population-Based Study, Zin W. Myint, Richard O'Neal, Quan Chen, Bin Huang, Robin C. Vanderpool, Peng Wang May 2019

Disparities In Prostate Cancer Survival In Appalachian Kentucky: A Population-Based Study, Zin W. Myint, Richard O'Neal, Quan Chen, Bin Huang, Robin C. Vanderpool, Peng Wang

Internal Medicine Faculty Publications

Introduction: Prostate cancer (PC) is the most common male cancer in the USA. When comparing the incidence and mortality rates of PC, the Surveillance Epidemiology and End Results data of 2005–2014 show that Appalachian Kentucky had a lower incidence (113/100 000 v 137/100 000) but a higher mortality rate (23.8% v 21.8%) when compared to non-Appalachian Kentucky. The aim of this study was to further characterize the survival disparities of PC between Appalachian and non-Appalachian Kentucky.

Methods: All stages of PC patients diagnosed between 2007 and 2011 were collected through the Kentucky Cancer Registry. Baseline characteristics and survival outcomes were …


Deregulation Of A Network Of Mrna And Mirna Genes Reveals That Ck2 And Mek Inhibitors May Synergize To Induce Apoptosis Kras-Active Nsclc, Madeline Krentz Gober, Robert M. Flight, Joshua W. Lambert, Hunter N. B. Moseley, Arnold Stromberg, Esther P. Black May 2019

Deregulation Of A Network Of Mrna And Mirna Genes Reveals That Ck2 And Mek Inhibitors May Synergize To Induce Apoptosis Kras-Active Nsclc, Madeline Krentz Gober, Robert M. Flight, Joshua W. Lambert, Hunter N. B. Moseley, Arnold Stromberg, Esther P. Black

Pharmaceutical Sciences Faculty Publications

KRAS-activation mutations occur in 25% to 40% of lung adenocarcinomas and are a known mechanism of epidermal growth factor receptor inhibitor (EGFRI) resistance. There are currently no targeted therapies approved specifically for the treatment of KRAS-active non–small cell lung cancers (NSCLC). Attempts to target mutant KRAS have failed in clinical studies leaving no targeted therapy option for these patients. To circumvent targeting KRAS directly, we hypothesized that targeting proteins connected to KRAS function rather than targeting KRAS directly could induce cell death in KRAS-active NSCLC cells. To identify potential targets, we leveraged 2 gene expression data sets derived from NSCLC …


Potential Reduction Of Lung Dose Via Vmat With Jaw Tracking In The Treatment Of Single-Isocenter/Two-Lesion Lung Sbrt, Damodar Pokhrel, Lana Sanford, Matthew Halfman, Janelle A. Molloy May 2019

Potential Reduction Of Lung Dose Via Vmat With Jaw Tracking In The Treatment Of Single-Isocenter/Two-Lesion Lung Sbrt, Damodar Pokhrel, Lana Sanford, Matthew Halfman, Janelle A. Molloy

Radiation Medicine Faculty Publications

Purpose/objectives: Due to higher radiosensitivity, non‐target normal tissue dose is a major concern in stereotactic body radiation therapy (SBRT) treatment. The aim of this report was to estimate the dosimetric impact, specifically the reduction of normal lung dose in the treatment of single‐isocenter/two‐lesion lung SBRT via volumetric modulated arc therapy with jaw tracking (JT‐VMAT).

Materials/methods: Twelve patients with two peripherally located early‐stage non‐small‐cell‐lung cancer (NSCLC) lung lesions underwent single‐isocenter highly conformal non‐coplanar JT‐VMAT SBRT treatment in our institution. The mean isocenter to tumors distance was 5.6 ± 1.9 (range 4.3–9.5) cm. The mean combined planning target volume (PTV) was 38.7 …


A Novel Function Of Membrane-Associated Collagen In Cancer Metastasis, Hui Zhang, Ren Xu Apr 2019

A Novel Function Of Membrane-Associated Collagen In Cancer Metastasis, Hui Zhang, Ren Xu

Markey Cancer Center Faculty Publications

No abstract provided.


Incorporating Pathway Information Into Feature Selection Towards Better Performed Gene Signatures, Suyan Tian, Chi Wang, Bing Wang Apr 2019

Incorporating Pathway Information Into Feature Selection Towards Better Performed Gene Signatures, Suyan Tian, Chi Wang, Bing Wang

Biostatistics Faculty Publications

To analyze gene expression data with sophisticated grouping structures and to extract hidden patterns from such data, feature selection is of critical importance. It is well known that genes do not function in isolation but rather work together within various metabolic, regulatory, and signaling pathways. If the biological knowledge contained within these pathways is taken into account, the resulting method is a pathway-based algorithm. Studies have demonstrated that a pathway-based method usually outperforms its gene-based counterpart in which no biological knowledge is considered. In this article, a pathway-based feature selection is firstly divided into three major categories, namely, pathway-level selection, …


Initial Results Of A Prospective Study Of Adjuvant Pancreatic Stereotactic Body Radiation Therapy For Close Or Positive Margins, Mark E. Bernard, Philip A. Sutera, Nicholas A. Iarrobino, Kimmen Quan, Steven A. Burton, Nathan Bahary, Melissa Hogg, Amer Zureikat, Dwight E. Heron Apr 2019

Initial Results Of A Prospective Study Of Adjuvant Pancreatic Stereotactic Body Radiation Therapy For Close Or Positive Margins, Mark E. Bernard, Philip A. Sutera, Nicholas A. Iarrobino, Kimmen Quan, Steven A. Burton, Nathan Bahary, Melissa Hogg, Amer Zureikat, Dwight E. Heron

Radiation Medicine Faculty Publications

Purpose: Patients with close or positive margins after surgery for pancreatic carcinoma are at a high risk for recurrence. Stereotactic body radiation therapy (SBRT) allows for safe dose escalation with great conformity and short duration of treatment. Herein, we report the initial results of a prospective observational study that evaluated the efficacy and safety of this treatment option.

Methods and Materials: Patients eligible for the study had pathologically proven T1-4N0-1M0 pancreatic adenocarcinoma with a positive margin (≤ 1 mm) or a close margin defined as < 2.5 mm. Patients were treated with either neoadjuvant or adjuvant chemotherapy, if eligible for systemic therapy. All patients received 36 Gy in 3 fractions to the close or positive margin site.

Results: From February 2013 to January 2018, 50 patients were enrolled with 49 patients treated …


Kinase Suppressor Of Ras 1 And Exo70 Promote Fatty Acid-Stimulated Neurotensin Secretion Through Erk1/2 Signaling, Stephanie Rock, Xian Li, Jun Song, Courtney M. Townsend, Heidi L. Weiss, Piotr G. Rychahou, Tianyan Gao, Jing Li, B. Mark Evers Mar 2019

Kinase Suppressor Of Ras 1 And Exo70 Promote Fatty Acid-Stimulated Neurotensin Secretion Through Erk1/2 Signaling, Stephanie Rock, Xian Li, Jun Song, Courtney M. Townsend, Heidi L. Weiss, Piotr G. Rychahou, Tianyan Gao, Jing Li, B. Mark Evers

Markey Cancer Center Faculty Publications

Neurotensin is a peptide hormone released from enteroendocrine cells in the small intestine in response to fat ingestion. Although the mechanisms regulating neurotensin secretion are still incompletely understood, our recent findings implicate a role for extracellular signal–regulated kinase 1 and 2 as positive regulators of free fatty acid-stimulated neurotensin secretion. Previous studies have shown that kinase suppressor of Ras 1 acts as a molecular scaffold of the Raf/MEK/extracellular signal–regulated kinase 1 and 2 kinase cascade and regulates intensity and duration of extracellular signal–regulated kinase 1 and 2 signaling. Here, we demonstrate that inhibition of kinase suppressor of Ras 1 attenuates …


The Flavonoid Metabolite 2,4,6-Trihydroxybenzoic Acid Is A Cdk Inhibitor And An Anti-Proliferative Agent: A Potential Role In Cancer Prevention, Ranjini Sankaranarayanan, Chaitanya K. Valiveti, Ramesh Kumar Dhandapani, Severine Van Slambrouck, Siddharth S. Kesharwani, Teresa Seefeldt, Joy Scaria, Hemachand Tummala, G. Jayarama Bhat Mar 2019

The Flavonoid Metabolite 2,4,6-Trihydroxybenzoic Acid Is A Cdk Inhibitor And An Anti-Proliferative Agent: A Potential Role In Cancer Prevention, Ranjini Sankaranarayanan, Chaitanya K. Valiveti, Ramesh Kumar Dhandapani, Severine Van Slambrouck, Siddharth S. Kesharwani, Teresa Seefeldt, Joy Scaria, Hemachand Tummala, G. Jayarama Bhat

Entomology Faculty Publications

Flavonoids have emerged as promising compounds capable of preventing colorectal cancer (CRC) due to their anti-oxidant and anti-inflammatory properties. It is hypothesized that the metabolites of flavonoids are primarily responsible for the observed anti-cancer effects owing to the unstable nature of the parent compounds and their degradation by colonic microflora. In this study, we investigated the ability of one metabolite, 2,4,6-trihydroxybenzoic acid (2,4,6-THBA) to inhibit Cyclin Dependent Kinase (CDK) activity and cancer cell proliferation. Using in vitro kinase assays, we demonstrated that 2,4,6-THBA dose-dependently inhibited CDKs 1, 2 and 4 and in silico studies identified key amino acids involved in …


Induction Of Ampk Activation By N,N'-Diarylurea Fnd-4b Decreases Growth And Increases Apoptosis In Triple Negative And Estrogen-Receptor Positive Breast Cancers, Jeremy Johnson, Piotr G. Rychahou, Vitaliy M. Sviripa, Heidi L. Weiss, Chunming Liu, David S. Watt, B. Mark Evers Mar 2019

Induction Of Ampk Activation By N,N'-Diarylurea Fnd-4b Decreases Growth And Increases Apoptosis In Triple Negative And Estrogen-Receptor Positive Breast Cancers, Jeremy Johnson, Piotr G. Rychahou, Vitaliy M. Sviripa, Heidi L. Weiss, Chunming Liu, David S. Watt, B. Mark Evers

Markey Cancer Center Faculty Publications

Purpose

Triple negative breast cancer (TNBC) is the most lethal and aggressive subtype of breast cancer. AMP-activated protein kinase (AMPK) is a major energy regulator that suppresses tumor growth, and 1-(3-chloro-4-((trifluoromethyl)thio)phenyl)-3-(4-(trifluoromethoxy)phenyl)urea (FND-4b) is a novel AMPK activator that inhibits growth and induces apoptosis in colon cancer. The purpose of this project was to test the effects of FND-4b on AMPK activation, proliferation, and apoptosis in breast cancer with a particular emphasis on TNBC.

Materials and methods

(i) Estrogen-receptor positive breast cancer (ER+BC; MCF-7, and T-47D), TNBC (MDA-MB-231 and HCC-1806), and breast cancer stem cells were treated with FND-4b for 24h. …


Genetic Interaction Analysis Among Oncogenesis-Related Genes Revealed Novel Genes And Networks In Lung Cancer Development, Yafang Li, Xiangjun Xiao, Yohan Bossé, Olga Gorlova, Ivan Gorlov, Younghun Han, Jinyoung Byun, Natasha Leighl, Jakob S. Johansen, Matt Barnett, Chu Chen, Gary Goodman, Angela Cox, Fiona Taylor, Penella Woll, H. Erich Wichmann, Judith Manz, Thomas Muley, Angela Risch, Albert Rosenberger, Jiali Han, Katherine Siminovitch, Susanne M. Arnold, Eric B. Haura, Ciprian Bolca, Ivana Holcatova, Vladimir Janout, Milica Kontic, Jolanta Lissowska, Anush Mukeria Mar 2019

Genetic Interaction Analysis Among Oncogenesis-Related Genes Revealed Novel Genes And Networks In Lung Cancer Development, Yafang Li, Xiangjun Xiao, Yohan Bossé, Olga Gorlova, Ivan Gorlov, Younghun Han, Jinyoung Byun, Natasha Leighl, Jakob S. Johansen, Matt Barnett, Chu Chen, Gary Goodman, Angela Cox, Fiona Taylor, Penella Woll, H. Erich Wichmann, Judith Manz, Thomas Muley, Angela Risch, Albert Rosenberger, Jiali Han, Katherine Siminovitch, Susanne M. Arnold, Eric B. Haura, Ciprian Bolca, Ivana Holcatova, Vladimir Janout, Milica Kontic, Jolanta Lissowska, Anush Mukeria

Markey Cancer Center Faculty Publications

The development of cancer is driven by the accumulation of many oncogenesis-related genetic alterationsand tumorigenesis is triggered by complex networks of involved genes rather than independent actions. To explore the epistasis existing among oncogenesis-related genes in lung cancer development, we conducted pairwise genetic interaction analyses among 35,031 SNPs from 2027 oncogenesis-related genes. The genotypes from three independent genome-wide association studies including a total of 24,037 lung cancer patients and 20,401 healthy controls with Caucasian ancestry were analyzed in the study. Using a two-stage study design including discovery and replication studies, and stringent Bonferroni correction for multiple statistical analysis, we identified …


Stress-Induced Epinephrine Enhances Lactate Dehydrogenase A And Promotes Breast Cancer Stem-Like Cells, Bai Cui, Yuanyuan Luo, Pengfei Tian, Fei Peng, Jinxin Lu, Yongliang Yang, Qitong Su, Bing Liu, Jiachuan Yu, Xi Luo, Liu Yin, Wei Cheng, Fan An, Bin He, Dapeng Liang, Sijin Wu, Peng Chu, Luyao Song, Xinyu Liu, Huandong Luo, Binhua P. Zhou Mar 2019

Stress-Induced Epinephrine Enhances Lactate Dehydrogenase A And Promotes Breast Cancer Stem-Like Cells, Bai Cui, Yuanyuan Luo, Pengfei Tian, Fei Peng, Jinxin Lu, Yongliang Yang, Qitong Su, Bing Liu, Jiachuan Yu, Xi Luo, Liu Yin, Wei Cheng, Fan An, Bin He, Dapeng Liang, Sijin Wu, Peng Chu, Luyao Song, Xinyu Liu, Huandong Luo, Binhua P. Zhou

Molecular and Cellular Biochemistry Faculty Publications

Chronic stress triggers activation of the sympathetic nervous system and drives malignancy. Using an immunodeficient murine system, we showed that chronic stress–induced epinephrine promoted breast cancer stem-like properties via lactate dehydrogenase A–dependent (LDHA-dependent) metabolic rewiring. Chronic stress–induced epinephrine activated LDHA to generate lactate, and the adjusted pH directed USP28-mediated deubiquitination and stabilization of MYC. The SLUG promoter was then activated by MYC, which promoted development of breast cancer stem-like traits. Using a drug screen that targeted LDHA, we found that a chronic stress–induced cancer stem-like phenotype could be reversed by vitamin C. These findings demonstrated the critical importance of psychological …


A Case-Control Study Of Trace-Element Status And Lung Cancer In Appalachian Kentucky, Jason M. Unrine, Stacey A. Slone, Wayne T. Sanderson, Nancy E. Johnson, Eric B. Durbin, Shristi Shrestha, Ellen J. Hahn, Fran Feltner, Bin Huang, W. Jay Christian, Isabel Mellon, David K. Orren, Susanne M. Arnold Feb 2019

A Case-Control Study Of Trace-Element Status And Lung Cancer In Appalachian Kentucky, Jason M. Unrine, Stacey A. Slone, Wayne T. Sanderson, Nancy E. Johnson, Eric B. Durbin, Shristi Shrestha, Ellen J. Hahn, Fran Feltner, Bin Huang, W. Jay Christian, Isabel Mellon, David K. Orren, Susanne M. Arnold

Plant and Soil Sciences Faculty Publications

Appalachian Kentucky (App KY) leads the nation in lung cancer incidence and mortality. Trace elements, such as As, have been associated with lung cancers in other regions of the country and we hypothesized that a population-based study would reveal higher trace element concentrations in App KY individuals with cancer compared to controls. Using toenail and drinking water trace element concentrations, this study investigated a possible association between lung cancer incidence and trace-element exposure in residents of this region. This population-based case-control study had 520 subjects, and 367 subjects provided toenail samples. Additionally, we explored the relationship between toenail and fingernail …


Impact Of The Affordable Care Act On Colorectal Cancer Screening, Incidence, And Survival In Kentucky, Tong Gan, Heather F. Sinner, Samuel C. Walling, Quan Chen, Bin Huang, Thomas C. Tucker, Jitesh A. Patel, B. Mark Evers, Avinash S. Bhakta Feb 2019

Impact Of The Affordable Care Act On Colorectal Cancer Screening, Incidence, And Survival In Kentucky, Tong Gan, Heather F. Sinner, Samuel C. Walling, Quan Chen, Bin Huang, Thomas C. Tucker, Jitesh A. Patel, B. Mark Evers, Avinash S. Bhakta

Surgery Faculty Publications

Background

Kentucky ranks first in the US in cancer incidence and mortality. Compounded by high poverty levels and a high rate of medically uninsured, cancer rates are even worse in Appalachian Kentucky. Being one of the first states to adopt the Affordable Care Act (ACA) Medicaid expansion, insurance coverage markedly increased for Kentucky residents. The purpose of our study was to determine the impact of Medicaid expansion on colorectal cancer (CRC) screening, diagnosis, and survival in Kentucky.

Study Design

The Kentucky Cabinet for Health and Family Services and the Kentucky Cancer Registry were queried for individuals (≥20 years) undergoing CRC …


Li-Rads: A Conceptual And Historical Review From Its Beginning To Its Recent Integration Into Aasld Clinical Practice Guidance, Khaled M. Elsayes, Ania Z. Kielar, Victoria Chernyak, Ali Morshid, Alessandro Furlan, William R. Masch, Robert M. Marks, Aya Kamaya, Richard K. G. Do, Yuko Kono, Kathryn J. Fowler, An Tang, Mustafa R. Bashir, Elizabeth M. Hecht, Kedar Jambhekar, Andrej Lyshchik, Shuchi K. Rodgers, Jay P. Heiken, Marc Kohli, David T. Fetzer, Stephanie R. Wilson, Zahra Kassam, Mishal Mendiratta-Lala, Amit G. Singal, Christopher S. Lim, Irene Cruite, James Lee, Ryan Ash, Donald G. Mitchell, Matthew D. F. Mcinnes Feb 2019

Li-Rads: A Conceptual And Historical Review From Its Beginning To Its Recent Integration Into Aasld Clinical Practice Guidance, Khaled M. Elsayes, Ania Z. Kielar, Victoria Chernyak, Ali Morshid, Alessandro Furlan, William R. Masch, Robert M. Marks, Aya Kamaya, Richard K. G. Do, Yuko Kono, Kathryn J. Fowler, An Tang, Mustafa R. Bashir, Elizabeth M. Hecht, Kedar Jambhekar, Andrej Lyshchik, Shuchi K. Rodgers, Jay P. Heiken, Marc Kohli, David T. Fetzer, Stephanie R. Wilson, Zahra Kassam, Mishal Mendiratta-Lala, Amit G. Singal, Christopher S. Lim, Irene Cruite, James Lee, Ryan Ash, Donald G. Mitchell, Matthew D. F. Mcinnes

Radiology Faculty Publications

The Liver Imaging Reporting and Data System (LI-RADS®) is a comprehensive system for standardizing the terminology, technique, interpretation, reporting, and data collection of liver observations in individuals at high risk for hepatocellular carcinoma (HCC). LI-RADS is supported and endorsed by the American College of Radiology (ACR). Upon its initial release in 2011, LI-RADS applied only to liver observations identified at CT or MRI. It has since been refined and expanded over multiple updates to now also address ultrasound-based surveillance, contrast-enhanced ultrasound for HCC diagnosis, and CT/MRI for assessing treatment response after locoregional therapy. The LI-RADS 2018 version was …


Cytisine-Linked Isoflavonoid Antineoplastic Agents For The Treatment Of Cancer, Chunming Liu, David S. Watt, Mykhaylo S. Frasinyuk, Vitaliy M. Sviripa, Wen Zhang, Svitlana P. Bondarenko Jan 2019

Cytisine-Linked Isoflavonoid Antineoplastic Agents For The Treatment Of Cancer, Chunming Liu, David S. Watt, Mykhaylo S. Frasinyuk, Vitaliy M. Sviripa, Wen Zhang, Svitlana P. Bondarenko

Markey Cancer Center Faculty Patents

Cytisine-linked isoflavonoids, or pharmaceutically acceptable salts thereof or pharmaceutically acceptable compositions thereof, are useful for the treatment of conditions in which cells have a reliance on peroxisomal HSD17B4 to degrade very long chain fatty acids and provide necessary energy for cell proliferation, such as is seen in colorectal cancer and prostate cancer, for example.


Itch Nuclear Translocation And H1.2 Polyubiquitination Negatively Regulate The Dna Damage Response, Lufen Chang, Lei Shen, Hu Zhou, Jing Gao, Hangyi Pan, Li Zheng, Brian Armstrong, Yang Peng, Guang Peng, Binhua P. Zhou, Steven T. Rosen, Binghui Shen Jan 2019

Itch Nuclear Translocation And H1.2 Polyubiquitination Negatively Regulate The Dna Damage Response, Lufen Chang, Lei Shen, Hu Zhou, Jing Gao, Hangyi Pan, Li Zheng, Brian Armstrong, Yang Peng, Guang Peng, Binhua P. Zhou, Steven T. Rosen, Binghui Shen

Molecular and Cellular Biochemistry Faculty Publications

The downregulation of the DNA damage response (DDR) enables aggressive tumors to achieve uncontrolled proliferation against replication stress, but the mechanisms underlying this process in tumors are relatively complex. Here, we demonstrate a mechanism through which a distinct E3 ubiquitin ligase, ITCH, modulates DDR machinery in triple-negative breast cancer (TNBC). We found that expression of a nuclear form of ITCH was significantly increased in human TNBC cell lines and tumor specimens. Phosphorylation of ITCH at Ser257 by AKT led to the nuclear localization of ITCH and ubiquitination of H1.2. The ITCH-mediated polyubiquitination of H1.2 suppressed RNF8/RNF168-dependent formation of 53BP1 foci, …