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Full-Text Articles in Medical Specialties

Angiotensin Ii Type 2 Receptor Signalling As A Pain Target: Bench, Bedside And Back-Translation, Andrew J Shepherd, Andrew Sc Rice, Maree T Smith Dec 2023

Angiotensin Ii Type 2 Receptor Signalling As A Pain Target: Bench, Bedside And Back-Translation, Andrew J Shepherd, Andrew Sc Rice, Maree T Smith

Faculty, Staff and Student Publications

Translating promising preclinical pain relief data for novel molecules from drug discovery to positive clinical trial outcomes is challenging. The angiotensin II type 2 (AT2) receptor is a clinically-validated target based upon positive proof-of-concept clinical trial data in patients with post-herpetic neuralgia. This trial was conducted because AT2 receptor antagonists evoked pain relief in rodent models of neuropathic pain. EMA401 was selected as the drug candidate based upon its suitable preclinical toxicity and safety profile and good pharmacokinetics. Herein, we provide an overview of the discovery, preclinical and clinical development of EMA401, for the alleviation of peripheral neuropathic pain.


Alpha Particle-Emitting Radiopharmaceuticals As Cancer Therapy: Biological Basis, Current Status, And Future Outlook For Therapeutics Discovery, Ryan P Coll, Scott J Bright, David K J Martinus, Dimitra K Georgiou, Gabriel O Sawakuchi, H Charles Manning Dec 2023

Alpha Particle-Emitting Radiopharmaceuticals As Cancer Therapy: Biological Basis, Current Status, And Future Outlook For Therapeutics Discovery, Ryan P Coll, Scott J Bright, David K J Martinus, Dimitra K Georgiou, Gabriel O Sawakuchi, H Charles Manning

Faculty, Staff and Student Publications

Critical advances in radionuclide therapy have led to encouraging new options for cancer treatment through the pairing of clinically useful radiation-emitting radionuclides and innovative pharmaceutical discovery. Of the various subatomic particles used in therapeutic radiopharmaceuticals, alpha (α) particles show great promise owing to their relatively large size, delivered energy, finite pathlength, and resulting ionization density. This review discusses the therapeutic benefits of α-emitting radiopharmaceuticals and their pairing with appropriate diagnostics, resulting in innovative "theranostic" platforms. Herein, the current landscape of α particle-emitting radionuclides is described with an emphasis on their use in theranostic development for cancer treatment. Commonly studied radionuclides …


Nonsense Variant Prdm16-Q187x Causes Impaired Myocardial Development And Tgf-Β Signaling Resulting In Noncompaction Cardiomyopathy In Humans And Mice, Bo Sun, Omid M T Rouzbehani, Ryan J Kramer, Rajeshwary Ghosh, Robin M Perelli, Sage Atkins, Amir Nima Fatahian, Kathryn Davis, Marta W Szulik, Michael A Goodman, Marissa A Hathaway, Ellenor Chi, Tarah A Word, Hari Tunuguntla, Susan W Denfield, Xander H T Wehrens, Kevin J Whitehead, Hala Y Abdelnasser, Junco S Warren, Mingfu Wu, Sarah Franklin, Sihem Boudina, Andrew P Landstrom Dec 2023

Nonsense Variant Prdm16-Q187x Causes Impaired Myocardial Development And Tgf-Β Signaling Resulting In Noncompaction Cardiomyopathy In Humans And Mice, Bo Sun, Omid M T Rouzbehani, Ryan J Kramer, Rajeshwary Ghosh, Robin M Perelli, Sage Atkins, Amir Nima Fatahian, Kathryn Davis, Marta W Szulik, Michael A Goodman, Marissa A Hathaway, Ellenor Chi, Tarah A Word, Hari Tunuguntla, Susan W Denfield, Xander H T Wehrens, Kevin J Whitehead, Hala Y Abdelnasser, Junco S Warren, Mingfu Wu, Sarah Franklin, Sihem Boudina, Andrew P Landstrom

Faculty, Staff and Students Publications

BACKGROUND: PRDM16 plays a role in myocardial development through TGF-β (transforming growth factor-beta) signaling. Recent evidence suggests that loss of PRDM16 expression is associated with cardiomyopathy development in mice, although its role in human cardiomyopathy development is unclear. This study aims to determine the impact of PRDM16 loss-of-function variants on cardiomyopathy in humans.

METHODS: Individuals with PRDM16 variants were identified and consented. Induced pluripotent stem cell-derived cardiomyocytes (iPSC-CMs) were generated from a proband hosting a Q187X nonsense variant as an in vitro model and underwent proliferative and transcriptional analyses. CRISPR-mediated knock-in mouse model hosting the Prdm16Q187X allele was generated …


Job Characteristics That Enrich Clinician-Educators’ Career: A Theory-Informed Exploratory Survey, M Hossein Tcharmtchi, Shelley Kumar, Jennifer Rama, Brian Rissmiller, Danny Castro, Satid Thammasitboon Dec 2023

Job Characteristics That Enrich Clinician-Educators’ Career: A Theory-Informed Exploratory Survey, M Hossein Tcharmtchi, Shelley Kumar, Jennifer Rama, Brian Rissmiller, Danny Castro, Satid Thammasitboon

Faculty, Staff and Students Publications

Clinician educators (CEs) play a vital role in helping academic institutions achieve the missions of patient care, education and research. The driving forces that motivate pediatric CEs in professional growth and personal satisfaction remain unexplored. An exploratory survey research to investigate the job characteristics and factors that motivate CEs to pursue professional growth with personal satisfaction. Using the Job Characteristics Model (JCM) as a framework, we developed a 22-item survey comprised of the JCM derived Job Diagnostic Survey, Global Job Satisfaction scales and demographics. We collected data from January 2020 to March 2020 from self-identified pediatric CEs (with and without …


Neonatal Cholestasis In Children With Alpha-1-At Deficiency Is A Risk For Earlier Severe Liver Disease With Male Predominance, Jeffrey Teckman, Philip Rosenthal, Rosalinda V Ignacio, Cathie Spino, Lee M Bass, Simon Horslen, Kasper Wang, John C Magee, Saul Karpen, Akihiro Asai, Jean P Molleston, Robert H Squires, Binita M Kamath, Stephen L Guthery, Kathleen M Loomes, Benjamin L Shneider, Ronald J Sokol, Children (Childhood Liver Disease Research Network) Dec 2023

Neonatal Cholestasis In Children With Alpha-1-At Deficiency Is A Risk For Earlier Severe Liver Disease With Male Predominance, Jeffrey Teckman, Philip Rosenthal, Rosalinda V Ignacio, Cathie Spino, Lee M Bass, Simon Horslen, Kasper Wang, John C Magee, Saul Karpen, Akihiro Asai, Jean P Molleston, Robert H Squires, Binita M Kamath, Stephen L Guthery, Kathleen M Loomes, Benjamin L Shneider, Ronald J Sokol, Children (Childhood Liver Disease Research Network)

Faculty, Staff and Students Publications

BACKGROUND: Our objective was to better understand the natural history and disease modifiers of Alpha-1-antitrypsin deficiency (AATD), a common genetic liver disease causing hepatitis and cirrhosis in adults and children. The clinical course is highly variable. Some infants present with neonatal cholestasis, which can resolve spontaneously or progress to cirrhosis; others are well in infancy, only to develop portal hypertension later in childhood.

METHODS: The Childhood Liver Disease Research Network has been enrolling AATD participants into longitudinal, observational studies at North American tertiary centers since 2004. We examined the clinical courses of 2 subgroups of participants from the several hundred …


Junctional Ectopic Tachycardia Caused By Junctophilin-2 Expression Silencing Is Selectively Sensitive To Ryanodine Receptor Blockade, Qixin Yang, Hanna J Tadros, Bo Sun, Minu-Tshyeto Bidzimou, Jordan E Ezekian, Feng Li, Andreas Ludwig, Xander H T Wehrens, Andrew P Landstrom Dec 2023

Junctional Ectopic Tachycardia Caused By Junctophilin-2 Expression Silencing Is Selectively Sensitive To Ryanodine Receptor Blockade, Qixin Yang, Hanna J Tadros, Bo Sun, Minu-Tshyeto Bidzimou, Jordan E Ezekian, Feng Li, Andreas Ludwig, Xander H T Wehrens, Andrew P Landstrom

Faculty, Staff and Students Publications

Junctional ectopic tachycardia (JET) is a potentially fatal cardiac arrhythmia. Hcn4:shJph2 mice serve as a model of nodal arrhythmias driven by ryanodine type 2 receptor (RyR2)–mediated Ca2+ leak. EL20 is a small molecule that blocks RyR2 Ca2+ leak. In a novel in vivo model of JET, Hcn4:shJph2 mice demonstrated rapid conversion of JET to sinus rhythm with infusion of EL20. Primary atrioventricular nodal cells demonstrated increased Ca2+ transient oscillation frequency and increased RyR2-mediated stored Ca2+ leak which was normalized by EL20. EL20 was found to be rapidly degraded in mouse and human plasma, making it a potential novel therapy for …


Randomized Controlled Trial Of Mechanical Thrombectomy Vs Catheter-Directed Thrombolysis For Acute Hemodynamically Stable Pulmonary Embolism: Rationale And Design Of The Peerless Study., Carin F Gonsalves, C Michael Gibson, Stefan Stortecky, Roger A Alvarez, Daren M Beam, James M Horowitz, Mitchell J Silver, Catalin Toma, John H Rundback, Stuart P Rosenberg, Craig D Markovitz, Thomas Tu, Wissam A Jaber Dec 2023

Randomized Controlled Trial Of Mechanical Thrombectomy Vs Catheter-Directed Thrombolysis For Acute Hemodynamically Stable Pulmonary Embolism: Rationale And Design Of The Peerless Study., Carin F Gonsalves, C Michael Gibson, Stefan Stortecky, Roger A Alvarez, Daren M Beam, James M Horowitz, Mitchell J Silver, Catalin Toma, John H Rundback, Stuart P Rosenberg, Craig D Markovitz, Thomas Tu, Wissam A Jaber

Heart and Vascular Articles

BACKGROUND: The identification of hemodynamically stable pulmonary embolism (PE) patients who may benefit from advanced treatment beyond anticoagulation is unclear. However, when intervention is deemed necessary by the PE patient's care team, data to select the most advantageous interventional treatment option are lacking. Limiting factors include major bleeding risks with systemic and locally delivered thrombolytics and the overall lack of randomized controlled trial (RCT) data for interventional treatment strategies. Considering the expansion of the pulmonary embolism response team (PERT) model, corresponding rise in interventional treatment, and number of thrombolytic and nonthrombolytic catheter-directed devices coming to market, robust evidence is needed …


Serum Biomarkers Of Nociceptive And Neuropathic Pain In Chronic Pancreatitis, Jami L Saloman, Yan Li, Kimberly Stello, Wenhao Li, Shuang Li, Anna Evans Phillips, Kristen Hall, Evan L Fogel, Santhi Swaroop Vege, Liang Li, Dana K Andersen, William E Fisher, Christopher E Forsmark, Phil A Hart, Stephen J Pandol, Walter G Park, Mark D Topazian, Stephen K Van Den Eeden, Jose Serrano, Darwin L Conwell, Dhiraj Yadav, Consortium For The Study Of Chronic Pancreatitis, Diabetes, And Pancreatic Cancer (Cpdpc) Dec 2023

Serum Biomarkers Of Nociceptive And Neuropathic Pain In Chronic Pancreatitis, Jami L Saloman, Yan Li, Kimberly Stello, Wenhao Li, Shuang Li, Anna Evans Phillips, Kristen Hall, Evan L Fogel, Santhi Swaroop Vege, Liang Li, Dana K Andersen, William E Fisher, Christopher E Forsmark, Phil A Hart, Stephen J Pandol, Walter G Park, Mark D Topazian, Stephen K Van Den Eeden, Jose Serrano, Darwin L Conwell, Dhiraj Yadav, Consortium For The Study Of Chronic Pancreatitis, Diabetes, And Pancreatic Cancer (Cpdpc)

Faculty, Staff and Students Publications

Debilitating abdominal pain is a common symptom affecting most patients with chronic pancreatitis (CP). There are multiple underlying mechanisms that contribute to CP-related pain, which makes successful treatment difficult. The identification of biomarkers for subtypes of pain could provide viable targets for nonopioid interventions and the development of mechanistic approaches to pain management in CP. Nineteen inflammation- and nociception-associated proteins were measured in serum collected from 358 subjects with definite CP enrolled in PROspective Evaluation of Chronic Pancreatitis for EpidEmiologic and Translational StuDies, a prospective observational study of pancreatitis in US adult subjects. First, serum levels of putative biomarkers were …


Understanding Burnout In Pediatric Residency Through The Lens Of The ‘Areas Of Worklife’, Linessa M Zuniga, Julieana Nichols, Teri Turner, Carla Falco Dec 2023

Understanding Burnout In Pediatric Residency Through The Lens Of The ‘Areas Of Worklife’, Linessa M Zuniga, Julieana Nichols, Teri Turner, Carla Falco

Faculty, Staff and Students Publications

BACKGROUND AND OBJECTIVES: Burnout is a widespread problem in medicine, especially among trainees. Despite this, data on effective interventions are limited. An organizational context for burnout entitled Areas of Worklife identified six areas of the work environment that can affect burnout through mismatches between individuals expectations of that area and the reality of the work environment. This study aimed to gain a deeper understanding of pediatric residents’ perspectives of the Areas of Worklife to allow programs to utilize this framework in the development of future interventions.

METHODS: Using qualitative methodology founded in grounded theory, we employed an iterative data collection …


Case Sampling Vs Universal Review For Evaluating Hospital Postoperative Mortality In Us Surgical Quality Improvement Programs, Vivi W Chen, Alexis P Chidi, Tracey Rosen, Yongquan Dong, Peter A Richardson, Jennifer Kramer, David A Axelrod, Laura A Petersen, Nader N Massarweh Dec 2023

Case Sampling Vs Universal Review For Evaluating Hospital Postoperative Mortality In Us Surgical Quality Improvement Programs, Vivi W Chen, Alexis P Chidi, Tracey Rosen, Yongquan Dong, Peter A Richardson, Jennifer Kramer, David A Axelrod, Laura A Petersen, Nader N Massarweh

Faculty, Staff and Students Publications

IMPORTANCE: Representative surgical case sampling, rather than universal review, is used by US Department of Veterans Affairs (VA) and private-sector national surgical quality improvement (QI) programs to assess program performance and to inform local QI and performance improvement efforts. However, it is unclear whether case sampling is robust for identifying hospitals with safety or quality concerns.

OBJECTIVE: To evaluate whether the sampling strategy used by several national surgical QI programs provides hospitals with data that are representative of their overall quality and safety, as measured by 30-day mortality.

DESIGN, SETTING, AND PARTICIPANTS: This comparative effectiveness study was a national, hospital-level …


Birth Defects In Offspring Of Adolescent And Young Adults With A History Of Cancer: A Population-Based Study Of 27,000 Women, Caitlin C Murphy, Andrea C Betts, Sandi L Pruitt, Barbara A Cohn, L Aubree Shay, Marlyn A Allicock, Jennifer S Wang, Philip J Lupo Dec 2023

Birth Defects In Offspring Of Adolescent And Young Adults With A History Of Cancer: A Population-Based Study Of 27,000 Women, Caitlin C Murphy, Andrea C Betts, Sandi L Pruitt, Barbara A Cohn, L Aubree Shay, Marlyn A Allicock, Jennifer S Wang, Philip J Lupo

Faculty, Staff and Students Publications

BACKGROUND: We examined birth defects in offspring of adolescent and young adult (AYA) women with a history of cancer (age 15-39 years at diagnosis).

METHODS: We identified AYA women diagnosed with cancer between January 1, 1999, and December 31, 2015 using population-based data from the Texas Cancer Registry; data were linked with live birth and fetal death certificates through December 31, 2016 to identify singleton births to AYA women after diagnosis. Birth defects in offspring through age 12 months were ascertained from the Texas Birth Defects Registry. We estimated risk of birth defects in offspring of AYA women and women …


Acute And Chronic Kidney Injury During Therapy For Pediatric Acute Leukemia: A Report From The Leukemia Electronic Abstraction Of Records Network (Learn), Wendy Hsiao, Yimei Li, Kelly Getz, Lusha Cao, Edward Krause, Mark Ramos, Judy Lee, Maria Monica Gramatges, Karen R Rabin, Michael E Scheurer, Richard Aplenc, Michelle Denburg, Tamara P Miller Dec 2023

Acute And Chronic Kidney Injury During Therapy For Pediatric Acute Leukemia: A Report From The Leukemia Electronic Abstraction Of Records Network (Learn), Wendy Hsiao, Yimei Li, Kelly Getz, Lusha Cao, Edward Krause, Mark Ramos, Judy Lee, Maria Monica Gramatges, Karen R Rabin, Michael E Scheurer, Richard Aplenc, Michelle Denburg, Tamara P Miller

Center for Medical Ethics and Health Policy Staff Publications

Children with acute leukemia are at increased risk of kidney injury. Using electronic health record data from three centers between 2010 and 2018, this study retrospectively described acute kidney injury (AKI) and chronic kidney disease (CKD) prevalence in children with acute lymphoblastic or myeloid leukemia (ALL, AML) using Common Terminology Criteria for Adverse Events (CTCAE) and Kidney Disease Improving Global Outcomes (KDIGO) definitions. AKI during therapy was 25% (ALL) and 32% (AML) using CTCAE, versus 84% (ALL) and 74% (AML) using KDIGO. CKD prevalence was low and Grade 1/Stage 2. Further investigation is needed to optimally define kidney injury in …


Estradiol Mediates Colonic Epithelial Protection In Aged Mice After Stroke And Is Associated With Shifts In The Gut Microbiome, Juneyoung Lee, Pedram Peesh, Victoria Quaicoe, Chunfeng Tan, Anik Banerjee, Patrick Mooz, Bhanu P Ganesh, Joseph Petrosino, Robert M Bryan, Louise D Mccullough, Venugopal Reddy Venna Dec 2023

Estradiol Mediates Colonic Epithelial Protection In Aged Mice After Stroke And Is Associated With Shifts In The Gut Microbiome, Juneyoung Lee, Pedram Peesh, Victoria Quaicoe, Chunfeng Tan, Anik Banerjee, Patrick Mooz, Bhanu P Ganesh, Joseph Petrosino, Robert M Bryan, Louise D Mccullough, Venugopal Reddy Venna

Faculty, Staff and Student Publications

The gut is a major source of bacteria and antigens that contribute to neuroinflammation after brain injury. Colonic epithelial cells (ECs) are responsible for secreting major cellular components of the innate defense system, including antimicrobial proteins (AMP) and mucins. These cells serve as a critical regulator of gut barrier function and maintain host-microbe homeostasis. In this study, we determined post-stroke host defense responses at the colonic epithelial surface in mice. We then tested if the enhancement of these epithelial protective mechanisms is beneficial in young and aged mice after stroke. AMPs were significantly increased in the colonic ECs of young …


Modulating A Prebiotic Food Source Influences Inflammation And Immune-Regulating Gut Microbes And Metabolites: Insights From The Be Gone Trial, Xiaotao Zhang, Ehsan Irajizad, Kristi L Hoffman, Johannes F Fahrmann, Fangyu Li, Yongwoo David Seo, Gladys J Browman, Jennifer B Dennison, Jody Vykoukal, Pamela N Luna, Wesley Siu, Ranran Wu, Eunice Murage, Nadim J Ajami, Jennifer L Mcquade, Jennifer A Wargo, James P Long, Kim-Anh Do, Johanna W Lampe, Karen M Basen-Engquist, Pablo C Okhuysen, Scott Kopetz, Samir M Hanash, Joseph F Petrosino, Paul Scheet, Carrie R Daniel Dec 2023

Modulating A Prebiotic Food Source Influences Inflammation And Immune-Regulating Gut Microbes And Metabolites: Insights From The Be Gone Trial, Xiaotao Zhang, Ehsan Irajizad, Kristi L Hoffman, Johannes F Fahrmann, Fangyu Li, Yongwoo David Seo, Gladys J Browman, Jennifer B Dennison, Jody Vykoukal, Pamela N Luna, Wesley Siu, Ranran Wu, Eunice Murage, Nadim J Ajami, Jennifer L Mcquade, Jennifer A Wargo, James P Long, Kim-Anh Do, Johanna W Lampe, Karen M Basen-Engquist, Pablo C Okhuysen, Scott Kopetz, Samir M Hanash, Joseph F Petrosino, Paul Scheet, Carrie R Daniel

Faculty, Staff and Student Publications

BACKGROUND: Accessible prebiotic foods hold strong potential to jointly target gut health and metabolic health in high-risk patients. The BE GONE trial targeted the gut microbiota of obese surveillance patients with a history of colorectal neoplasia through a straightforward bean intervention.

METHODS: This low-risk, non-invasive dietary intervention trial was conducted at MD Anderson Cancer Center (Houston, TX, USA). Following a 4-week equilibration, patients were randomized to continue their usual diet without beans (control) or to add a daily cup of study beans to their usual diet (intervention) with immediate crossover at 8-weeks. Stool and fasting blood were collected every 4 …


Association Between E-Cigarette Use And Myocardial Infarction: A Systematic Review And Meta-Analysis, Muhammad Talal Ashraf, Asim Shaikh, Muhammad Shakeel Khuzzaim Khan, Naseer Uddin, Muhammad Arham Bin Kashif, Syed Hassan Ahmed Rizvi, Hammad Khalid, Stafford Jude Sam, Affan Sohail Nov 2023

Association Between E-Cigarette Use And Myocardial Infarction: A Systematic Review And Meta-Analysis, Muhammad Talal Ashraf, Asim Shaikh, Muhammad Shakeel Khuzzaim Khan, Naseer Uddin, Muhammad Arham Bin Kashif, Syed Hassan Ahmed Rizvi, Hammad Khalid, Stafford Jude Sam, Affan Sohail

Department of Medicine

Background: The popularity of e-cigarettes has risen dramatically over the last few years, particularly among the younger population. Although the use of combustible cigarettes has established evidence to be associated with the development of several adverse cardiopulmonary diseases, the investigations regarding the prospective long-term effects of e-cigarette use on the cardiovascular system have just begun. We set to investigate if there is an association between the history of MI and e-cigarette use among smokers and non-smokers?
Methods: The current review aims to assess the association of myocardial infarction with e-cigarette consumption. PubMed, Google Scholar, and Cochrane Central Register of Controlled …


Facility-Based Audit System With Integrated Community Engagement To Improve Maternal And Perinatal Health Outcomes In Rural Pakistan: Protocol For A Mixed Methods Implementation Study, Zahid Memon, Wardah Ahmed, Shah Muhammad, Sajid Bashir Soofi, Shanti Chohan, Arjumand Rizvi, Paul Barach, Zulfiqar Ahmed Bhutta Nov 2023

Facility-Based Audit System With Integrated Community Engagement To Improve Maternal And Perinatal Health Outcomes In Rural Pakistan: Protocol For A Mixed Methods Implementation Study, Zahid Memon, Wardah Ahmed, Shah Muhammad, Sajid Bashir Soofi, Shanti Chohan, Arjumand Rizvi, Paul Barach, Zulfiqar Ahmed Bhutta

Centre of Excellence in Women and Child Health

Background: Maternal and newborn mortality in Pakistan remains as a major public health challenge. Pakistan faces significant infrastructure challenges and inadequate access to quality health care, exacerbated by sociocultural factors. Facility-based audit systems coupled with community engagement are key elements in achieving improved health system performance. We describe an implementation approach adapted from the World Health Organization audit cycle in real-world settings, with a plan to scale-up through mixed methods evaluation plan.
Objective: This study aims to implement a locally acceptable and relevant audit system and evaluate its feasibility within the rural health system of Pakistan for scale-up.
Methods: The …


Effect Of Aerobic Exercise On Erectile Function: Systematic Review And Meta-Analysis Of Randomized Controlled Trials, Mohit Khera, Samir Bhattacharyya, Larry E Miller Nov 2023

Effect Of Aerobic Exercise On Erectile Function: Systematic Review And Meta-Analysis Of Randomized Controlled Trials, Mohit Khera, Samir Bhattacharyya, Larry E Miller

Faculty, Staff and Students Publications

Background: The health benefits of regular aerobic exercise are well established, although there is limited high-quality evidence regarding its impact on erectile function.

Aim: To determine the effect of aerobic exercise on erectile function in men and to identify factors that may influence this effect.

Methods: This systematic review and meta-analysis included randomized controlled trials that evaluated the effects of aerobic exercise on erectile function via the Erectile Function domain of the International Index of Erectile Function (IIEF-EF). The mean difference in IIEF-EF scores between the aerobic exercise and nonexercising control groups was estimated by a random-effects meta-analysis. Meta-regression was …


Skin Barrier Function: The Interplay Of Physical, Chemical, And Immunologic Properties, Paola Baker, Christina Huang, Rakan Radi, Samara B Moll, Emmanuela Jules, Jack L Arbiser Nov 2023

Skin Barrier Function: The Interplay Of Physical, Chemical, And Immunologic Properties, Paola Baker, Christina Huang, Rakan Radi, Samara B Moll, Emmanuela Jules, Jack L Arbiser

Student Papers, Posters & Projects

An intact barrier function of the skin is important in maintaining skin health. The regulation of the skin barrier depends on a multitude of molecular and immunological signaling pathways. By examining the regulation of a healthy skin barrier, including maintenance of the acid mantle and appropriate levels of ceramides, dermatologists can better formulate solutions to address issues that are related to a disrupted skin barrier. Conversely, by understanding specific skin barrier disruptions that are associated with specific conditions, such as atopic dermatitis or psoriasis, the development of new compounds could target signaling pathways to provide more effective relief for patients. …


Racial Disparities Among Predicted Bronchopulmonary Dysplasia Risk Outcomes In Premature Infants Born <30 Weeks Gestation, Priyanka Patel, Andrew Ellefson, David A. Paul Nov 2023

Racial Disparities Among Predicted Bronchopulmonary Dysplasia Risk Outcomes In Premature Infants Born <30 Weeks Gestation, Priyanka Patel, Andrew Ellefson, David A. Paul

Department of Pediatrics Faculty Papers

Background and Objective: There is extensive literature to support eliminating race-based risk stratification. The National Institute of Child Health and Human Development (NICHD) calculator, used to predict risk of bronchopulmonary dysplasia (BPD), includes race as a variable. We sought to investigate how utilizing race in determination of risk for BPD may lead to inequitable care.

Methods: The study included a retrospective cohort of infants born <30 weeks gestation between January 2016 and February 2022. The primary outcome was the difference in predictive risk of BPD for non-Hispanic Black compared to non-Hispanic White infants. The secondary outcome was the disparity in theoretical administration of post-natal corticosteroids when the calculator was applied to the cohort. Analysis included paired T-tests and Chi-Square.

Results: Of the 273 infants studied, 154 were non-Hispanic Black (56%). There was no difference between the groups in gestation or respiratory support on day of life (DOL) 14 or 28. …


Collaborative Multidisciplinary Management And Expertise Of Ct2-3 Locally Advanced Operable Esophageal Squamous Cell Carcinoma: A Report Of Two Cases, Xuefeng Leng, Daisuke Kurita, Yi Zhu, Seiichiro Abe, Ruixiang Zhang, Xufeng Guo, Liang Dai, Ian Yu-Hong Wong, Seong Yong Park, Berend J Van Der Wilk, Xing Gao, Yung-Chang Chen, Rui Zhao, Jiahua Lv, Haomiao Qing, Yang Liu, Kyle G Mitchell, Bas P L Wijnhoven, Yongtao Han, Hiroyuki Daiko Nov 2023

Collaborative Multidisciplinary Management And Expertise Of Ct2-3 Locally Advanced Operable Esophageal Squamous Cell Carcinoma: A Report Of Two Cases, Xuefeng Leng, Daisuke Kurita, Yi Zhu, Seiichiro Abe, Ruixiang Zhang, Xufeng Guo, Liang Dai, Ian Yu-Hong Wong, Seong Yong Park, Berend J Van Der Wilk, Xing Gao, Yung-Chang Chen, Rui Zhao, Jiahua Lv, Haomiao Qing, Yang Liu, Kyle G Mitchell, Bas P L Wijnhoven, Yongtao Han, Hiroyuki Daiko

Faculty, Staff and Student Publications

BACKGROUND: The accurate clinical staging of esophageal squamous cell carcinoma (ESCC) is pivotal for guiding treatment strategies. However, the current precision in staging for clinical T (cT)2 and cT3 stages remains unsatisfactory. This article discusses the role of multidisciplinary teams (MDTs) in the clinical staging and formulation of neoadjuvant treatment strategies for locally advanced operable ESCC. These challenges underscore the importance of precise staging in the decision-making process for appropriate therapeutic interventions.

CASE DESCRIPTION: Through the lens of two patient case studies with locally advanced resectable ESCC, the article showcases the intricate process of treatment planning undertaken by MDTs. It …


The Opportunities And Challenges Of Perioperative Therapy Of Localized Non-Small Cell Lung Cancer-Thoughts From The Keynote-671 Trial, Nathaniel Deboever, Jianjun Zhang Nov 2023

The Opportunities And Challenges Of Perioperative Therapy Of Localized Non-Small Cell Lung Cancer-Thoughts From The Keynote-671 Trial, Nathaniel Deboever, Jianjun Zhang

Faculty, Staff and Student Publications

No abstract provided.


Delineating The Interplay Between Oncogenic Pathways And Immunity In Anaplastic Wilms Tumors, Xiaoping Su, Xiaofan Lu, Sehrish Khan Bazai, Linda Dainese, Arnauld Verschuur, Benoit Dumont, Roger Mouawad, Li Xu, Wenxuan Cheng, Fangrong Yan, Sabine Irtan, Véronique Lindner, Catherine Paillard, Yves Le Bouc, Aurore Coulomb, Gabriel G Malouf Nov 2023

Delineating The Interplay Between Oncogenic Pathways And Immunity In Anaplastic Wilms Tumors, Xiaoping Su, Xiaofan Lu, Sehrish Khan Bazai, Linda Dainese, Arnauld Verschuur, Benoit Dumont, Roger Mouawad, Li Xu, Wenxuan Cheng, Fangrong Yan, Sabine Irtan, Véronique Lindner, Catherine Paillard, Yves Le Bouc, Aurore Coulomb, Gabriel G Malouf

Faculty, Staff and Student Publications

Wilms tumors are highly curable in up to 90% of cases with a combination of surgery and radio-chemotherapy, but treatment-resistant types such as diffuse anaplastic Wilms tumors pose significant therapeutic challenges. Our multi-omics profiling unveils a distinct desert-like diffuse anaplastic Wilms tumor subtype marked by immune/stromal cell depletion, TP53 alterations, and cGAS-STING pathway downregulation, accounting for one-third of all diffuse anaplastic cases. This subtype, also characterized by reduced CD8 and CD3 infiltration and active oncogenic pathways involving histone deacetylase and DNA repair, correlates with poor clinical outcomes. These oncogenic pathways are found to be conserved in anaplastic Wilms tumor cell …


The Non-Coding Rnome After Splenectomy, Yoshiki Kobayashi, Hanh Hong Chu, Dan Van Bui, Yasutaka Yun, Linh Manh Nguyen, Akitoshi Mitani, Kensuke Suzuki, Mikiya Asako, Akira Kanda, Hiroshi Iwai Nov 2023

The Non-Coding Rnome After Splenectomy, Yoshiki Kobayashi, Hanh Hong Chu, Dan Van Bui, Yasutaka Yun, Linh Manh Nguyen, Akitoshi Mitani, Kensuke Suzuki, Mikiya Asako, Akira Kanda, Hiroshi Iwai

Faculty, Staff and Student Publications

Eosinophilic airway inflammation, complicated by bronchial asthma and eosinophilic chronic rhinosinusitis (ECRS), is difficult to treat. The disease may become refractory when eosinophilic mucin associated with eosinophil peroxidase (EPX) and autoantibodies fills in the paranasal sinus and small airway. This study investigated the functional role of an anti-EPX antibody in eosinophilic mucin of ECRS in eosinophilic airway inflammation. Eosinophilic mucin was obtained from patients with ECRS. The effects of the anti-EPX antibody on dsDNA release from eosinophils and eosinophilic mucin decomposition were evaluated. Immunofluorescence or enzyme-linked immunosorbent assays were performed to detect the anti-EPX antibody and its supernatant and serum …


Immunoassay Urine Drug Testing Among Patients Receiving Opioids At A Safety-Net Palliative Medicine Clinic, John M Halphen, Joseph A Arthur, Soraira Pacheco, Linh M T Nguyen, Nikitha N Samy, Nathaniel R Wilson, Gregory Sattler, Shane E Wing, Rex A D Paulino, Christine Feng, Pulin Shah, Simbiat Olayiwola, Bradley Cannell, Supriyanka Addimulam, Riddhi Patel, David Hui Nov 2023

Immunoassay Urine Drug Testing Among Patients Receiving Opioids At A Safety-Net Palliative Medicine Clinic, John M Halphen, Joseph A Arthur, Soraira Pacheco, Linh M T Nguyen, Nikitha N Samy, Nathaniel R Wilson, Gregory Sattler, Shane E Wing, Rex A D Paulino, Christine Feng, Pulin Shah, Simbiat Olayiwola, Bradley Cannell, Supriyanka Addimulam, Riddhi Patel, David Hui

Faculty, Staff and Student Publications

BACKGROUND: Few studies have examined the use of immunoassay urine drug testing of cancer patients in palliative care clinics.

OBJECTIVES: We examined the frequency of immunoassay urine drug test (UDT) abnormalities and the factors associated with aberrancy at a safety-net hospital palliative medicine clinic.

METHODS: A retrospective review of the electronic medical records of consecutive eligible patients seen at the outpatient palliative medicine clinic in a resource-limited safety-net hospital system was conducted between 1 September 2015 and 31 December 2020. We collected longitudinal data on patient demographics, UDT findings, and potential predictors of aberrant results.

RESULTS: Of the 913 patients …


Attempts To Understand Oral Mucositis In Head And Neck Cancer Patients Through Omics Studies: A Narrative Review, Erin Marie D San Valentin, Kim-Anh Do, Sai-Ching J Yeung, Cielito C Reyes-Gibby Nov 2023

Attempts To Understand Oral Mucositis In Head And Neck Cancer Patients Through Omics Studies: A Narrative Review, Erin Marie D San Valentin, Kim-Anh Do, Sai-Ching J Yeung, Cielito C Reyes-Gibby

Faculty, Staff and Student Publications

Oral mucositis (OM) is a common and clinically impactful side effect of cytotoxic cancer treatment, particularly in patients with head and neck squamous cell carcinoma (HNSCC) who undergo radiotherapy with or without concomitant chemotherapy. The etiology and pathogenic mechanisms of OM are complex, multifaceted and elicit both direct and indirect damage to the mucosa. In this narrative review, we describe studies that use various omics methodologies (genomics, transcriptomics, microbiomics and metabolomics) in attempts to elucidate the biological pathways associated with the development or severity of OM. Integrating different omics into multi-omics approaches carries the potential to discover links among host …


What Matters To You? Engaging With Children In The James Lind Alliance Children’S Cancer Priority Setting Partnership, Susie Aldiss, Penelope Hart-Spencer, Loveday Langton, Sonia Malik, Keeley Mcevoy, Jessica E Morgan, Rosa Reed-Berendt, Rachel Hollis, Bob Phillips, Faith Gibson, James Lind Alliance Children’S Cancer Priority Setting Partnership Steering Group Nov 2023

What Matters To You? Engaging With Children In The James Lind Alliance Children’S Cancer Priority Setting Partnership, Susie Aldiss, Penelope Hart-Spencer, Loveday Langton, Sonia Malik, Keeley Mcevoy, Jessica E Morgan, Rosa Reed-Berendt, Rachel Hollis, Bob Phillips, Faith Gibson, James Lind Alliance Children’S Cancer Priority Setting Partnership Steering Group

Faculty, Staff and Student Publications

BACKGROUND: Previous priority setting exercises have sought to involve children, but in the final reporting, it is evident that few children had been engaged through the process. A primary aim in the Children's Cancer Priority Setting Partnership was to find out from children what they want research to focus on. We report on our experience to inform methods of engagement with children in future James Lind Alliance Priority Setting Partnerships and similar exercises.

METHODS: We followed the James Lind Alliance process, collecting and shortlisting questions via online surveys with adult survivors of childhood cancer, carers, and professionals, and holding a …


Cannabinoids In Periodontology: Where Are We Now?, Yésica Carmona Rendón, Hernán Santiago Garzón, Bruno Bueno-Silva, Roger M Arce, Lina Janeth Suárez Nov 2023

Cannabinoids In Periodontology: Where Are We Now?, Yésica Carmona Rendón, Hernán Santiago Garzón, Bruno Bueno-Silva, Roger M Arce, Lina Janeth Suárez

Faculty, Staff and Student Publications

Introduction: Cannabinoids are a well-documented treatment modality for various immune and inflammatory diseases, including asthma, chronic obstructive pulmonary disease, Crohn's disease, arthritis, multiple sclerosis, and a range of neurodegenerative conditions. However, limited information is available regarding the therapeutic potential of cannabinoids in treating periodontal disease.

Objective: The objective of this study is to analyze the current evidence on the antibacterial and immunomodulatory effects of cannabis and its role in the healing and regeneration processes within periodontal tissues.

Results: This review discusses the potential role of cannabinoids in restoring periodontal tissue homeostasis.

Conclusions: The examination of the endocannabinoid system and the …


Exploration Of The Implementation Of An Integrated Electronic Laboratory Information Management System On Quality Diagnostics Service Indicators At A County Level Public Hospital In Western Kenya., Kelly Allen Nov 2023

Exploration Of The Implementation Of An Integrated Electronic Laboratory Information Management System On Quality Diagnostics Service Indicators At A County Level Public Hospital In Western Kenya., Kelly Allen

Capstone Collection

Underinvestment in pathology and laboratory capacity caused by low visibility in research and in prioritization by public health leaders results in limited effective healthcare coverage and an estimated 1.1 million premature deaths annually in Low-and-Middle-Income Countries. Kenya’s public health laboratories provide a median 41% of the Essential Diagnostic List to their patients and in Kisumu County, as much as 44.2% of the population has little to no access to essential diagnostics. The government of Kisumu implemented the county Health Laboratory Strategic Plan 2018-2022 to address this public health challenge. Little information exists on the effectiveness of these initiatives and the …


Extended Range Of Motion Does Not Induce Greater Muscle Damage Than Conventional Range Of Motion In The Bench Press Exercise, Patryk Matykiewicz, Michał Krzysztofik, Adam Zając Nov 2023

Extended Range Of Motion Does Not Induce Greater Muscle Damage Than Conventional Range Of Motion In The Bench Press Exercise, Patryk Matykiewicz, Michał Krzysztofik, Adam Zając

Baltic Journal of Health and Physical Activity

Introduction: Range of motion (ROM) of resistance exercise affects the muscle damage magnitude and the recovery-time course. Thus, the main aim of this study was to compare conventional and extended ROM in the bench press exercise on neuromuscular fatigue assessed by velocity changes during bench press throw, as well on the exercise-induced muscle damage evaluated by creatine kinase (CK) activity in the blood. Material and Methods: A total of fourteen healthy, well-trained males performed 5 sets of the bench press exercise at 70% of one repetition maximum with either standard (STD) and cambered (CMB) barbell until reaching volitional failure. CK …


A Systematic Review And Meta-Analysis Of The Prevalence And Risk Factors In Cardiac Implantable Electronic Device Malfunction, Abdullah Saeed, Abdullah Alshafea, Monerah Alqthami, Abdulrahman Bin Saeed, Foton A. Alahmri, Norah S. Alqahtani, Fatimah A. Al-Muslat, Atheer Alqahtani Nov 2023

A Systematic Review And Meta-Analysis Of The Prevalence And Risk Factors In Cardiac Implantable Electronic Device Malfunction, Abdullah Saeed, Abdullah Alshafea, Monerah Alqthami, Abdulrahman Bin Saeed, Foton A. Alahmri, Norah S. Alqahtani, Fatimah A. Al-Muslat, Atheer Alqahtani

Journal of the Saudi Heart Association

Introduction: Cardiac implantable electronic devices (CIED) include permanent pacemakers (PPMs), implantable cardioverter defibrillators (ICDs), and cardiac resynchronization therapy (CRT) devices. They treat several cardiac issues and are dependent on batteries; however, similar to any medical equipment, they can fail. The prevalence and risk factors for CIED malfunction must be understood for earlier detection and better patient outcomes. Material and methods: A comprehensive search was conducted through electronic bibliographic sources (PubMed and Cochrane) until January 2023 in order to identify reviews, cohort studies and case reports pertaining to CIED. The primary outcome is the probability of CIED malfunction. The secondary outcome …