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High Agreement Between Benchtop And Point-Of-Care Dipcard Tests For Ethyl Glucuronide., Emily Leickly, Jordan Skalisky, Sterling Mcpherson, Michael F Orr, Michael G Mcdonell

Articles, Abstracts, and Reports

No abstract provided.

Surgical Implications And Variability In The Use Of The Flat Epithelial Atypia Diagnosis On Breast Biopsy Specimens., Laura S Samples, Mara H Rendi, Paul D Frederick, Kimberly H Allison, Heidi D Nelson, Thomas R Morgan, Donald L Weaver, Joann G Elmore

Articles, Abstracts, and Reports

OBJECTIVES: Flat epithelial atypia (FEA) is a relatively new diagnostic term with uncertain clinical significance for surgical management. Any implied risk of invasive breast cancer associated with FEA is contingent upon diagnostic reproducibility, yet little is known regarding its use.

MATERIALS AND METHODS: Pathologists in the Breast Pathology Study interpreted one of four 60-case test sets, one slide per case, constructed from 240 breast biopsy specimens. An electronic data form with standardized diagnostic categories was used; participants were instructed to indicate all diagnoses present. We assessed participants' use of FEA as a diagnostic term within: 1) each test set; 2) …

Risk Factors For 30-Day Mortality In Patients With Methicillin-Resistant Staphylococcus Aureus Bloodstream Infections, Pedro Ayau, Ana C. Bardossy, Guillermo Sanchez, Ricardo Ortiz, Daniela Moreno, Pamela Hartman, Khulood Rizvi, Tyler Prentiss, Mary B. Perri, Meredith Mahan, Vanthida Huang, Katherine Reyes, Marcus J. Zervos

Global Health Initiative Articles

OBJECTIVES: Methicillin-resistant Staphylococcus aureus (MRSA) blood stream infections (BSI) are a major health care problem accounting for a large percentage of nosocomial infections. The aim of this study was to identify risk factors associated with 30-day mortality in patients with MRSA BSI.

METHODS: This was a retrospective study performed in Southeast Michigan. Over a 9- year period, a total of 1,168 patients were identified with MRSA BSI. Patient demographics and clinical data were retrieved and evaluated using electronic medical health records.

RESULTS: 30-day mortality during the 9-year study period was 16%. Significant risk factors for 30-day mortality were age, cancer, …

Effectiveness Of Switching Smoking-Cessation Medications Following Relapse, Bryan W. Heckman, K. Michael Cummings, Karin A. Kasza, Ron Borland, Jessica L. Burris, Geoffrey T. Fong, Ann Mcneill, Matthew J. Carpenter

Psychology Faculty Publications

Introduction—Nicotine dependence is a chronic disorder often characterized by multiple failed quit attempts (QAs). Yet, little is known about the sequence of methods used across multiple QAs or how this may impact future ability to abstain from smoking. This prospective cohort study examines the effectiveness of switching smoking-cessation medications (SCMs) across multiple QAs.

Methods—Adult smokers (aged ≥ 18 years) participating in International Tobacco Control surveys in the United Kingdom, U.S., Canada, and Australia (N=795) who: (1) completed two consecutive surveys between 2006 and 2011; (2) initiated a QA at least 1 month before each survey; and (3) provided …

Risk Factors For 30-Day Mortality In Patients With Methicillin-Resistant Staphylococcus Aureus Bloodstream Infections, Pedro Ayau, Ana C. Bardossy, Guillermo Sanchez, Ricardo Ortiz, Daniela Moreno, Pamela Hartman, Khulood Rizvi, Tyler Prentiss, Mary Perri, Meredith Mahan, Vanthida Huang, Kate Reyes, Marcus J. Zervos

Infectious Diseases Articles

OBJECTIVES: Methicillin-resistant Staphylococcus aureus (MRSA) blood stream infections (BSI) are a major health care problem accounting for a large percentage of nosocomial infections. The aim of this study was to identify risk factors associated with 30-day mortality in patients with MRSA BSI.

METHODS: This was a retrospective study performed in Southeast Michigan. Over a 9- year period, a total of 1,168 patients were identified with MRSA BSI. Patient demographics and clinical data were retrieved and evaluated using electronic medical health records.

RESULTS: 30-day mortality during the 9-year study period was 16%. Significant risk factors for 30-day mortality were age, cancer, …

The Impact Of Smoking On Sentinel Node Metastasis Of Primary Cutaneous Melanoma., Maris S Jones, Peter C Jones, Stacey L Stern, David Elashoff, Dave S B Hoon, John Thompson, Nicola Mozzillo, Omgo E Nieweg, Dirk Noyes, Harald J Hoekstra, Jonathan S Zager, Daniel F Roses, Alessandro Testori, Brendon J Coventry, Mark B Smithers, Robert Andtbacka, Doreen Agnese, Erwin Schultz, Eddy C Hsueh, Mark Kelley, Schlomo Schneebaum, Lisa Jacobs, Tawnya Bowles, Mohammed Kashani-Sabet, Douglas Johnson, Mark B Faries

Articles, Abstracts, and Reports

BACKGROUND: Although a well-established causative relationship exists between smoking and several epithelial cancers, the association of smoking with metastatic progression in melanoma is not well studied. We hypothesized that smokers would be at increased risk for melanoma metastasis as assessed by sentinel lymph node (SLN) biopsy.

METHODS: Data from the first international Multicenter Selective Lymphadenectomy Trial (MSLT-I) and the screening-phase of the second trial (MSLT-II) were analyzed to determine the association of smoking with clinicopathologic variables and SLN metastasis.

RESULTS: Current smoking was strongly associated with SLN metastasis (p = 0.004), even after adjusting for other predictors of metastasis. Among …

A Randomized Placebo-Controlled Trial Of N-Acetylcysteine For Cannabis Use Disorder In Adults, Kevin M. Gray, Susan C. Sonne, Erin A. Mcclure, Udi E. Ghitza, Abigail G. Matthews, Aimee L. Mcrae-Clark, Kathleen M. Carroll, Jennifer S. Potter, Katharina Wiest, Larissa J. Mooney, Albert Hasson, Sharon L. Walsh, Michelle R. Lofwall, Shanna Babalonis, Robert W. Lindblad, Steven Sparenborg, Aimee Wahle, Jacqueline S. King, Nathaniel L. Baker, Rachel L. Tomko, Louise F. Haynes, Ryan G. Vandrey, Frances R. Levin

Behavioral Science Faculty Publications

Background—Cannabis use disorder (CUD) is a prevalent and impairing condition, and established psychosocial treatments convey limited efficacy. In light of recent findings supporting the efficacy of N-acetylcysteine (NAC) for CUD in adolescents, the objective of this trial was to evaluate its efficacy in adults.

Methods—In a 12-week double-blind randomized placebo-controlled trial, treatment-seeking adults ages 18–50 with CUD (N=302), enrolled across six National Drug Abuse Treatment Clinical Trials Network-affiliated clinical sites, were randomized in a 1:1 ratio to a 12-week course of NAC 1200 mg (n=153) or placebo (n=149) twice daily. All …

Effects Of Allergen Sensitization On Response To Therapy In Children With Eosinophilic Esophagitis, Robert D. Pesek, Mallikarjuna Rettiganti, Erin O'Brien, Sarah Beckwith, Caroline Daniel, Chunqiao Luo, Amy M. Scurlock, Peggy Chandler, Rebecca A Levy, Tamara T. Perry, Joshua L. Kennedy, Sheva Chervinskiy, Maryelle Vonlanthen, Helen Casteel, Stephen C. Fiedorek, Troy Gibbons, Stacie M. Jones

Pediatrics Faculty Publications

Background: In children with eosinophilic esophagitis (EoE) foods are the most common disease triggers, but environmental allergens are also suspected culprits.

Objective: To determine the effects of environmental allergen sensitization on response to treatment in children with EoE in the southeastern United States.

Methods: Patients 2 to 18 years old who were referred to the Arkansas Children’s Hospital Eosinophilic Gastrointestinal Disorders Clinic from January 2012 to January 2016 were enrolled in a prospective, longitudinal cohort study with collection of demographics, clinical symptoms, medical history, allergy sensitization profiles, and response to treatment over time. Comparisons were made between complete responders (peak …

An Initial Application Of A Biopsychosocial Framework To Predict Posttraumatic Stress Following Pediatric Injury, Meghan L. Marsac, Nancy Kassam-Adams, Douglas L. Delahanty, Jeffrey Ciesla, Danielle Weiss, Keith F. Widaman, Lamia P. Barakat

Pediatrics Faculty Publications

Objectives—Each year millions of children suffer from unintentional injuries that result in poor emotional and physical health. This study examined selected biopsychosocial factors (i.e., child heart rate, peritrauma appraisals, early coping, trauma history) to elucidate their roles in promoting emotional recovery following injury. The study evaluated specific hypotheses that threat appraisals (global and trauma-specific) and coping would predict subsequent posttraumatic stress symptoms (PTSS), that coping would mediate the association between early and later PTSS, and that heart rate would predict PTSS and appraisals would mediate this association.

Method—Participants were 96 children hospitalized for injury and assessed at 3 …

Nrg Oncology-Radiation Therapy Oncology Group Study 1014: 1-Year Toxicity Report From A Phase 2 Study Of Repeat Breast-Preserving Surgery And 3-Dimensional Conformal Partial-Breast Reirradiation For In-Breast Recurrence., Douglas W. Arthur, Kathryn A. Winter, Henry M. Kuerer, Bruce G. Haffty, Laurie W. Cuttino, Dorin A. Todor, Nicole L. Simone, Shelly B. Hayes, Wendy A. Woodward, Beryl Mccormick, Randi J. Cohen, Walter M. Sahijdak, Daniel J. Canaday, Doris R. Brown, Adam D. Currey, Christine M. Fisher, Reshma Jagsi, Julia White

Department of Radiation Oncology Faculty Papers

PURPOSE: To determine the associated toxicity, tolerance, and safety of partial-breast reirradiation.

METHODS AND MATERIALS: Eligibility criteria included in-breast recurrence occurring >1 year after whole-breast irradiation, <3 >cm, unifocal, and resected with negative margins. Partial-breast reirradiation was targeted to the surgical cavity plus 1.5 cm; a prescription dose of 45 Gy in 1.5 Gy twice daily for 30 treatments was used. The primary objective was to evaluate the rate of grade ≥3 treatment-related skin, fibrosis, and/or breast pain adverse events (AEs), occurring ≤1 year from re-treatment completion. A rate of ≥13% for these AEs in a cohort of 55 patients was …

Mirror, Mirror On The Wall: An Experimental Study Examining The Relationship Between Music Lyrics And Body Satisfaction In Emerging Adult Women, Emilie Jill Davis

Theses and Dissertations

Over the past decade, there has been an increase in academic research on media and its influences on body satisfaction. To date, the majority of body image literature focuses on low body satisfaction. While low body satisfaction leads to negative outcomes, high body satisfaction leads to a host of positive outcomes. Further, in a non-academic domain, it would seem that even some media icons are starting to take part in the effort to try to promote positive appearance messages. Singers like Christina Aguilera, Colbie Caillat, and Alessia Cara have begun writing songs like Beautiful, Try, and Scars To …

Examining The Protective Effect Of Ethnic Identity On Drug Attitudes And Use Among A Diverse Youth Population, Tamika C. B. Zapolski, Sycarah Fisher, Devin E. Banks, Devon J. Hensel, Jessica Barnes-Najor

Educational, School, and Counseling Psychology Faculty Publications

Ethnic identity is an important buffer against drug use among minority youth. However, limited work has examined pathways through which ethnic identity mitigates risk. School-aged youth (N = 34,708; 52 % female) of diverse backgrounds (i.e., African American (n = 5333), Asian (n = 392), Hispanic (n = 662), Multiracial (n = 2129), Native American (n = 474), and White (n = 25718) in grades 4–12 provided data on ethnic identity, drug attitudes, and drug use. After controlling for gender and grade, higher ethnic identity was associated with lower past month drug use …

Impulsive Personality Dimensions Are Associated With Altered Behavioral Performance And Neural Responses In The Monetary Incentive Delay Task, Ruolei Gu, Yang Jiang, Seth Kiser, Chelsea L. Black, Lucas S. Broster, Yue-Jia Luo, Thomas H. Kelly

Behavioral Science Faculty Publications

Individual differences in dimensions of impulsivity personality including disinhibition and sensation seeking modulate approach responses to reinforcing stimuli, such as drugs and money. The current study examined the effects of monetary incentive on both behavioral performance and electrophysiological activity among individuals varying in disinhibition and sensation seeking. The monetary incentive delay (MID) task was completed under electroencephalogram (EEG) recording. Behavioral data showed that higher disinhibition and sensation-seeking were associated with lower performance accuracy. Event-related potential (ERP) data showed that high reinforcement cues elicited a larger late positive component (LPC) than other conditions among high disinhibition participants, indicating its strong emotional …

Impact Of Time Between Diagnosis And Slnb On Outcomes In Cutaneous Melanoma., Daniel W Nelson, Stacey Stern, David E Elashoff, Robert Elashoff, John F Thompson, Nicola Mozzillo, Omgo E Nieweg, Harald J Hoekstra, Alistair J Cochran, Mark B Faries

Articles, Abstracts, and Reports

BACKGROUND: Hypothetically, delay between melanoma diagnosis and SLNB could affect outcomes, either adversely by allowing growth and dissemination of metastases, or beneficially by allowing development of an anti-melanoma immune response. Available data are conflicting about the effect of SLNB delay on patient survival. Our objective was to determine whether delay between initial diagnosis and SLNB affects outcomes in patients with cutaneous melanoma.

STUDY DESIGN: We performed query and analysis of a large prospectively maintained database of patients with primary cutaneous melanomas undergoing SLNB. An independent dataset from MSLT-1 (Multicenter Selective Lymphadenectomy Trial-1) was used for validation. Primary outcomes included disease-free …

Impact Of Home Visit Capacity On Genetic Association Studies Of Late-Onset Alzheimer's Disease, David W. Fardo, Laura E. Gibbons, Shubhabrata Mukherjee, M. Maria Glymour, Wayne Mccormick, Susan M. Mccurry, James D. Bowen, Eric B. Larson, Paul K. Crane

Biostatistics Faculty Publications

INTRODUCTION—Findings for genetic correlates of late-onset Alzheimer's disease (LOAD) in studies that rely solely on clinic visits may differ from those with capacity to follow participants unable to attend clinic visits.

METHODS—We evaluated previously identified LOAD-risk single nucleotide variants in the prospective Adult Changes in Thought study, comparing hazard ratios (HRs) estimated using the full data set of both in-home and clinic visits (n = 1697) to HRs estimated using only data that were obtained from clinic visits (n = 1308). Models were adjusted for age, sex, principal components to account for ancestry, and additional health indicators.

RESULTS …

Treatments For Opioid Use Disorder Among Pregnant And Reproductive-Aged Women., Dennis J. Hand, Vanessa L. Short, Diane J. Abatemarco

Department of Obstetrics and Gynecology Faculty Papers

The increased prevalence of opioid use disorder and access to medical insurance is subsequently increasing the likelihood that medical professionals will encounter individuals with opioid use disorder. Sharp increases in opioid use disorder among women mean that obstetricians, gynecologists, and other reproductive medicine providers may be especially likely to encounter such patients. Medical professionals' understanding of treatment for opioid use disorder and their roles in their patients' treatment may increase referrals to treatment, reduce stigma, and improve the quality of medical care. Treatment for opioid use disorder falls into four overlapping domains: medication management, medical care, behavioral/mental health care, and …

Impact Of Home Visit Capacity On Genetic Association Studies Of Late-Onset Alzheimer's Disease., David W Fardo, Laura E Gibbons, Shubhabrata Mukherjee, M Maria Glymour, Wayne Mccormick, Susan M Mccurry, James D Bowen, Eric B Larson, Paul K Crane

Articles, Abstracts, and Reports

INTRODUCTION: Findings for genetic correlates of late-onset Alzheimer's disease (LOAD) in studies that rely solely on clinic visits may differ from those with capacity to follow participants unable to attend clinic visits.

METHODS: We evaluated previously identified LOAD-risk single nucleotide variants in the prospective Adult Changes in Thought study, comparing hazard ratios (HRs) estimated using the full data set of both in-home and clinic visits (n = 1697) to HRs estimated using only data that were obtained from clinic visits (n = 1308). Models were adjusted for age, sex, principal components to account for ancestry, and additional health indicators.

RESULTS: …

Blood Pressure And Visit-To-Visit Blood Pressure Variability Among Individuals With Primary Proteinuric Glomerulopathies., Christine B. Sethna, Kevin E C Meyers, Laura H. Mariani, Kevin J. Psoter, Crystal A. Gadegbeku, Keisha L. Gibson, Tarak Srivastava, Matthias Kretzler, Tammy M. Brady

Manuscripts, Articles, Book Chapters and Other Papers

Hypertension and blood pressure variability (BPV; SD and average real variability) in primary proteinuric glomerulopathies are not well described. Data were from 433 participants in the NEPTUNE (Nephrotic Syndrome Study Network). Hypertensive BP status was defined as previous history of hypertension or BP ≥140/90 mm Hg for adults/≥95th percentile for children at baseline. BPV was measured in participants with ≥3 visits in the first year. Two-hundred ninety-six adults (43 years [interquartile range, 32-57.8 years], 61.5% male) and 147 children (11 years [interquartile range, 5-14 years], 57.8% male) were evaluated. At baseline, 64.8% of adults and 46.9% of children were hypertensive. …

Phase Ib/Ii Study Of The Safety And Efficacy Of Combination Therapy With Multikinase Vegf Inhibitor Pazopanib And Mek Inhibitor Trametinib In Advanced Soft Tissue Sarcoma., Vivek Subbiah, Christian Meyer, Ralph G. Zinner, Funda Meric-Bernstam, Marianna L. Zahurak, Ashley O'Connor, Jason Roszik, Kenna Shaw, Joseph A. Ludwig, Razelle Kurzrock, Nilofe A. Azad

Department of Medical Oncology Faculty Papers

Purpose: Pazopanib, a multireceptor tyrosine kinase inhibitor targeting primarily VEGFRs1–3, is approved for advanced soft tissue sarcoma (STS) and renal cell cancer. Downstream of VEGFR, trametinib is an FDA-approved MEK inhibitor used for melanoma. We hypothesized that vertical pathway inhibition using trametinib would synergize with pazopanib in advanced STS. Experimental Design: In an open-label, multicenter, investigator-initiated National Comprehensive Cancer Network (NCCN)-sponsored trial, patients with metastatic or advanced STS received pazopanib 800 mg and 2 mg of trametinib continuously for 28-day cycles. The primary endpoint was 4-month progression-free survival (PFS). Secondary endpoints were overall survival, response rate, and disease control rate. …

Echocardiographic Classification And Surgical Approaches To Double-Outlet Right Ventricle For Great Arteries Arising Almost Exclusively From The Right Ventricle, Kun-Jing Pang, Hong Meng, Sheng-Shou Hu, Hao Wang, David Hsi, Zhong-Dong Hua, Xiang-Bin Pan, Shou-Jun Li

The Texas Heart Institute Journal

Selecting an appropriate surgical approach for double-outlet right ventricle (DORV), a complex congenital cardiac malformation with many anatomic variations, is difficult. Therefore, we determined the feasibility of using an echocardiographic classification system, which describes the anatomic variations in more precise terms than the current system does, to determine whether it could help direct surgical plans. Our system includes 8 DORV subtypes, categorized according to 3 factors: the relative positions of the great arteries (normal or abnormal), the relationship between the great arteries and the ventricular septal defect (committed or noncommitted), and the presence or absence of right ventricular outflow tract …

Mismatch Repair Deficiency Predicts Response Of Solid Tumors To Pd-1 Blockade., Dung T Le, Jennifer N Durham, Kellie N Smith, Hao Wang, Bjarne R Bartlett, Laveet K Aulakh, Steve Lu, Holly Kemberling, Cara Wilt, Brandon S Luber, Fay Wong, Nilofer S Azad, Agnieszka A Rucki, Dan Laheru, Ross Donehower, Atif Zaheer, George A Fisher, Todd S Crocenzi, James J Lee, Tim F Greten, Austin G Duffy, Kristen K Ciombor, Aleksandra D Eyring, Bao H Lam, Andrew Joe, S Peter Kang, Matthias Holdhoff, Ludmila Danilova, Leslie Cope, Christian Meyer, Shibin Zhou, Richard M Goldberg, Deborah K Armstrong, Katherine M Bever, Amanda N Fader, Janis Taube, Franck Housseau, David Spetzler, Nianqing Xiao, Drew M Pardoll, Nickolas Papadopoulos, Kenneth W Kinzler, James R Eshleman, Bert Vogelstein, Robert A Anders, Luis A Diaz

Articles, Abstracts, and Reports

The genomes of cancers deficient in mismatch repair contain exceptionally high numbers of somatic mutations. In a proof-of-concept study, we previously showed that colorectal cancers with mismatch repair deficiency were sensitive to immune checkpoint blockade with antibodies to programmed death receptor-1 (PD-1). We have now expanded this study to evaluate the efficacy of PD-1 blockade in patients with advanced mismatch repair-deficient cancers across 12 different tumor types. Objective radiographic responses were observed in 53% of patients, and complete responses were achieved in 21% of patients. Responses were durable, with median progression-free survival and overall survival still not reached. Functional analysis …

Alzheimer's Disease Genetics And Abca7 Splicing, Jared B. Vasquez, James F. Simpson, Ryan Harpole, Steven Estus

Physiology Faculty Publications

Both common and rare polymorphisms within ABCA7 have been associated with Alzheimer’s disease (AD). In particular, the rare AD associated polymorphism rs200538373 was associated with altered ABCA7 exon 41 splicing and an AD risk odds ratio of ∼1.9. To probe the role of this polymorphism in ABCA7 splicing, we used minigene studies and qPCR of human brain RNA. We report aberrant ABCA7 exon 41 splicing in the brain of a carrier of the rs200538373 minor C allele. Moreover, minigene studies show that rs200538373 acts as a robust functional variant in vitro. Lastly, although the ABCA7 isoform with an extended …

Mdm2 Is Required For Survival And Growth Of P53-Deficient Cancer Cells., Kyle P Feeley, Clare M. Adams, Ramkrishna Mitra, Christine M. Eischen

Department of Cancer Biology Faculty Papers

p53 deletion prevents the embryonic lethality of normal tissues lacking Mdm2, suggesting that cells can survive without Mdm2 if p53 is also absent. Here we report evidence challenging this view, with implications for therapeutically targeting Mdm2. Deletion of Mdm2 in T-cell lymphomas or sarcomas lacking p53 induced apoptosis and G₂ cell-cycle arrest, prolonging survival of mice with these tumors. p53^-/- fibroblasts showed similar results, indicating that the effects of Mdm2 loss extend to pre-malignant cells. Mdm2 deletion in p53^-/- cells upregulated p53 transcriptional target genes that induce apoptosis and cell-cycle arrest. Mdm2 deletion also increased levels of …

Barriers And Facilitators To Reducing Frequent Laboratory Testing For Patients Who Are Stable On Warfarin: A Mixed Methods Study Of De-Implementation In Five Anticoagulation Clinics., Geoffrey D. Barnes, Sevan Misirliyan, Scott Kaatz, Elizabeth A. Jackson, Brian Haymart, Eva Kline-Rogers, Jay Kozlowski, Gregory D. Krol, James B. Froehlich, Anne Sales

Hospital Medicine Articles

BACKGROUND: Patients on chronic warfarin therapy require regular laboratory monitoring to safely manage warfarin. Recent studies have challenged the need for routine monthly blood draws in the most stable warfarin-treated patients, suggesting the safety of less frequent laboratory testing (up to every 12 weeks). De-implementation efforts aim to reduce the use of low-value clinical practices. To explore barriers and facilitators of a de-implementation effort to reduce the use of frequent laboratory tests for patients with stable warfarin management in nurse/pharmacist-run anticoagulation clinics, we performed a mixed-methods study conducted within a state-wide collaborative quality improvement collaborative.

METHODS: Using a mixed-methods approach, …

Normal Breast Tissue Dna Methylation Differences At Regulatory Elements Are Associated With The Cancer Risk Factor Age., Kevin C Johnson, E Andres Houseman, Jessica E King, Brock C Christensen

Faculty Research 2017

BACKGROUND: The underlying biological mechanisms through which epidemiologically defined breast cancer risk factors contribute to disease risk remain poorly understood. Identification of the molecular changes associated with cancer risk factors in normal tissues may aid in determining the earliest events of carcinogenesis and informing cancer prevention strategies.

METHODS: Here we investigated the impact cancer risk factors have on the normal breast epigenome by analyzing DNA methylation genome-wide (Infinium 450 K array) in cancer-free women from the Susan G. Komen Tissue Bank (n = 100). We tested the relation of established breast cancer risk factors, age, body mass index, parity, and …

College Students' Health Behavior Clusters: Differences By Sex., Sarah E. Colby, Wenjun Zhou, Morgan F F. Sowers, Karla Shelnutt, Melissa D. Olfert, Jesse Morrell, Mallory Koenings, Tandalayo Kidd, Tanya M. Horacek, Geoffrey W. Greene, Melissa D. Olfert, Adrienne A. White, Sharon L Hoerr, Carol Byrd-Bredbenner, Kendra Kattelmann

Health and Nutritional Sciences Faculty Publications

OBJECTIVE: The study purpose was to identify clusters of weight-related behaviors by sex in a college student populations.

METHODS: We conducted secondary data analysis from online surveys and physical assessments collected in Project Young Adults Eating and Active for Health (YEAH) with a convenience sample of students on 13 college campuses in the United States. We performed 2-step cluster analysis by sex to identify subgroups with homogeneous characteristics and behaviors. We used 8 derivation variables: healthy eating; eating restraints; external cues; stress; fruit/vegetable intake; calories from fat; calories from sugar-sweetened beverages; and physical activity. Contribution of derivation variables to clusters …

Cyclin D1 Restrains Oncogene-Induced Autophagy By Regulating The Ampk-Lkb1 Signaling Axis., Mathew C. Casimiro, Gabriele Disante, Agnese Di Rocco, Emanuele Loro, Claudia Pupo, Timothy G. Pestell, Sara Bisetto, Marco A. Velasco-Velázquez, Xuanmao Jiao, Zhiping Li, Christine M. Kusminski, Erin L. Seifert, Chenguang Wang, Daniel Ly, Bin Zheng, Che-Hung Shen, Philipp E. Scherer, Richard Pestell

Department of Cancer Biology Faculty Papers

Autophagy activated after DNA damage or other stresses mitigates cellular damage by removing damaged proteins, lipids, and organelles. Activation of the master metabolic kinase AMPK enhances autophagy. Here we report that cyclin D1 restrains autophagy by modulating the activation of AMPK. In cell models of human breast cancer or in a cyclin D1-deficient model, we observed a cyclin D1-mediated reduction in AMPK activation. Mechanistic investigations showed that cyclin D1 inhibited mitochondrial function, promoted glycolysis, and reduced activation of AMPK (pT172), possibly through a mechanism that involves cyclin D1-Cdk4/Cdk6 phosphorylation of LKB1. Our findings suggest how AMPK activation by cyclin D1 …

A Randomized Trial Of Brief Assessment Interventions For Young Adults Who Use Drugs In The Club Scene, Steven P. Kurtz, Mance E. Buttram, Maria E. Pagano, Hilary L. Surratt

Center for Health Services Research Faculty Publications

Background—Efficacious interventions to reduce drug use and its consequences for club drug using populations are not apparent in the literature. We tested interviewer-(CAPI) and self-administered (ACASI) comprehensive health and social risk assessments as distinct interventions compared to waitlist control.

Methods—750 men and women ages 18-39 with multidrug use and heterosexual behavior were randomized in equal proportions to the three conditions. Instrumentation included well-tested measures of drug use, risky sex, mental distress and substance dependence.

Results—The sample was 56% male; mean age=25. Reported risk behaviors and health consequences did not differ by assessment modality. Adjusted HLM analyses showed …

Is Pregnancy-Associated Melanoma Associated With Adverse Outcomes?, Maris S Jones, Jihey Lee, Stacey L Stern, Mark Faries

Articles, Abstracts, and Reports

BACKGROUND: Melanoma is the most common malignancy encountered during pregnancy. Conflicting data have led to ongoing confusion regarding pregnancy-associated melanoma (PAM) in the media and among the public. The objective of this study was to better characterize both the clinical presentation of PAM and its prognostic implications.

STUDY DESIGN: Female patients of reproductive age, with stage 0 to IV cutaneous melanoma, were identified from our prospectively maintained database. Clinical and histopathologic factors were analyzed with appropriate statistical methods. Univariable and then multivariable analysis were used on matched data to compare disease-free survival (DFS), overall survival (OS), and melanoma-specific survival (MSS) …

Unique Prediction Of Cannabis Use Severity And Behaviors By Delay Discounting And Behavioral Economic Demand, Justin C. Strickland, Joshua A. Lile, William W. Stoops

Psychology Faculty Publications

Few studies have simultaneously evaluated delay discounting and behavioral economic demand to determine their unique contribution to drug use. A recent study in cannabis users found that monetary delay discounting uniquely predicted cannabis dependence symptoms, whereas cannabis demand uniquely predicted use frequency. This study sought to replicate and extend this research by evaluating delay discounting and behavioral economic demand measures for multiple commodities and including a use quantity measure. Amazon.com’s Mechanical Turk was used to sample individuals reporting recent cannabis use (n = 64) and controls (n = 72). Participants completed measures of monetary delay discounting as well as alcohol …