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Articles 6481 - 6510 of 14912

Full-Text Articles in Medical Specialties

Complete Genome Sequences Of 37 Bacteria From The Human Vaginal Tract, Christopher Whidbey, Alyssa N Konopaski, Robel Teshome, Sejal Dhaliwal, M Quinn Peters, Marlyd E Mejia, Mallory B Ballard, Kathryn A Patras Jun 2023

Complete Genome Sequences Of 37 Bacteria From The Human Vaginal Tract, Christopher Whidbey, Alyssa N Konopaski, Robel Teshome, Sejal Dhaliwal, M Quinn Peters, Marlyd E Mejia, Mallory B Ballard, Kathryn A Patras

Faculty, Staff and Students Publications

Microorganisms colonizing the human vaginal mucosa are associated with healthy states, as well as conditions such as bacterial vaginosis and infection-associated preterm birth. Here, we report complete genome sequences of 37 bacterial isolates from the human vaginal tract.


Immune Microenvironment Remodeling After Radiation Of A Progressing Brain Metastasis, William H Hudson, Jeffrey J Olson, Lisa J Sudmeier Jun 2023

Immune Microenvironment Remodeling After Radiation Of A Progressing Brain Metastasis, William H Hudson, Jeffrey J Olson, Lisa J Sudmeier

Faculty, Staff and Students Publications

Radiation is commonly used in the treatment of many cancers. However, its effects on anti-tumor immune responses are incompletely understood. Here, we present a detailed immunological analysis of two tumors from a patient with multiple non-small cell lung cancer metastases to the brain. One tumor was resected without treatment; the second was irradiated to a total dose of 30 Gy and resected following further progression. Comprehensive single-cell analysis reveals a substantially reduced immune cell fraction in the irradiated tumor, including the depletion of tissue-resident macrophages and infiltration of pro-inflammatory monocytes. Despite the presence of similar somatic mutations in both tumors, …


Wdr5 Facilitates Recruitment Of N-Myc To Conserved Wdr5 Gene Targets In Neuroblastoma Cell Lines, Leigh A Bumpous, Kylie C Moe, Jing Wang, Logan A Carver, Alexandria G Williams, Alexander S Romer, Jesse D Scobee, Jack N Maxwell, Cheyenne A Jones, Dai H Chung, William P Tansey, Qi Liu, April M Weissmiller Jun 2023

Wdr5 Facilitates Recruitment Of N-Myc To Conserved Wdr5 Gene Targets In Neuroblastoma Cell Lines, Leigh A Bumpous, Kylie C Moe, Jing Wang, Logan A Carver, Alexandria G Williams, Alexander S Romer, Jesse D Scobee, Jack N Maxwell, Cheyenne A Jones, Dai H Chung, William P Tansey, Qi Liu, April M Weissmiller

Faculty, Staff and Student Publications

Collectively, the MYC family of oncoprotein transcription factors is overexpressed in more than half of all malignancies. The ability of MYC proteins to access chromatin is fundamental to their role in promoting oncogenic gene expression programs in cancer and this function depends on MYC-cofactor interactions. One such cofactor is the chromatin regulator WDR5, which in models of Burkitt lymphoma facilitates recruitment of the c-MYC protein to chromatin at genes associated with protein synthesis, allowing for tumor progression and maintenance. However, beyond Burkitt lymphoma, it is unknown whether these observations extend to other cancers or MYC family members, and whether WDR5 …


Comparative Analyses Of The Clinicopathologic Features Of Short-Term And Long-Term Survivors Of Patients With Pancreatic Ductal Adenocarcinoma Who Received Neoadjuvant Therapy And Pancreatoduodenectomy, Tom Z Liang, Matthew H G Katz, Laura R Prakash, Deyali Chatterjee, Hua Wang, Michael Kim, Ching-Wei D Tzeng, Naruhiko Ikoma, Robert A Wolff, Dan Zhao, Eugene J Koay, Anirban Maitra, Suprateek Kundu, Huamin Wang Jun 2023

Comparative Analyses Of The Clinicopathologic Features Of Short-Term And Long-Term Survivors Of Patients With Pancreatic Ductal Adenocarcinoma Who Received Neoadjuvant Therapy And Pancreatoduodenectomy, Tom Z Liang, Matthew H G Katz, Laura R Prakash, Deyali Chatterjee, Hua Wang, Michael Kim, Ching-Wei D Tzeng, Naruhiko Ikoma, Robert A Wolff, Dan Zhao, Eugene J Koay, Anirban Maitra, Suprateek Kundu, Huamin Wang

Faculty, Staff and Student Publications

Neoadjuvant therapy (NAT) is increasingly used to treat patients with pancreatic ductal adenocarcinoma (PDAC). Patients with PDAC often show heterogenous responses to NAT with variable clinical outcomes, and the clinicopathologic parameters associated with these variable outcomes remain unclear. In this study, we systematically examined the clinicopathologic characteristics of 60 short-term survivors (overall survival < 15 months) and 149 long-term survivors (overall survival > 60 months) and compared them to 352 intermediate-term survivors (overall survival: 15-60 months) of PDAC who received NAT and pancreatoduodenectomy. We found that the short-term survivor group was associated with male gender (p = 0.03), tumor resectability prior to NAT (p = 0.04), poorly differentiated …


Evidence-Based Guide To Using Artificial Introns For Tissue-Specific Knockout In Mice, Elena Mcbeath, Keigi Fujiwara, Marie-Claude Hofmann Jun 2023

Evidence-Based Guide To Using Artificial Introns For Tissue-Specific Knockout In Mice, Elena Mcbeath, Keigi Fujiwara, Marie-Claude Hofmann

Faculty, Staff and Student Publications

Up until recently, methods for generating floxed mice either conventionally or by CRISPR (Clustered Regularly Interspaced Short Palindromic Repeats)-Cas9 (CRISPR-associated protein 9) editing have been technically challenging, expensive and error-prone, or time-consuming. To circumvent these issues, several labs have started successfully using a small artificial intron to conditionally knockout (KO) a gene of interest in mice. However, many other labs are having difficulty getting the technique to work. The key problem appears to be either a failure in achieving correct splicing after the introduction of the artificial intron into the gene or, just as crucial, insufficient functional KO of the …


Pharmacogenetic Testing For The Pediatric Gastroenterologist: Actionable Drug-Gene Pairs To Know., Tracy L. Sandritter, Rachel Chevalier, Rebecca Abt, Valentina Shakhnovich Jun 2023

Pharmacogenetic Testing For The Pediatric Gastroenterologist: Actionable Drug-Gene Pairs To Know., Tracy L. Sandritter, Rachel Chevalier, Rebecca Abt, Valentina Shakhnovich

Manuscripts, Articles, Book Chapters and Other Papers

Gastroenterologists represent some of the earlier adopters of precision medicine through pharmacogenetic testing by embracing upfront genotyping for thiopurine S-methyltransferase nucleotide diphosphatase (TPMT) before prescribing 6-mercaptopurine or azathioprine for the treatment of inflammatory bowel disease. Over the last two decades, pharmacogenetic testing has become more readily available for other genes relevant to drug dose individualization. Common medications prescribed by gastroenterologists for conditions other than inflammatory bowel disease now have actionable guidelines, which can improve medication efficacy and safety; however, a clear understanding of how to interpret the results remains a challenge for many clinicians, precluding wide implementation of …


Novel Potential Targets For Function-Promoting Therapies: Orphan Nuclear Receptors, Anti-Inflammatory Drugs, Troponin Activators, Mas Receptor Agonists, And Urolithin A, Waly Dioh, Vihang Narkar, Anurag Singh, Fady Malik, Luigi Ferrucci, Cendrine Tourette, Jean Mariani, Rob Van Maanen, Roger A Fielding Jun 2023

Novel Potential Targets For Function-Promoting Therapies: Orphan Nuclear Receptors, Anti-Inflammatory Drugs, Troponin Activators, Mas Receptor Agonists, And Urolithin A, Waly Dioh, Vihang Narkar, Anurag Singh, Fady Malik, Luigi Ferrucci, Cendrine Tourette, Jean Mariani, Rob Van Maanen, Roger A Fielding

Faculty, Staff and Student Publications

In recent years, several new classes of therapies have been investigated with their potential for restoring or improving physical functioning in older adults. These have included Mas receptor agonists, regulators of mitophagy, skeletal muscle troponin activators, anti-inflammatory compounds, and targets of orphan nuclear receptors. The present article summarizes recent developments of the function-promoting effects of these exciting new compounds and shares relevant preclinical and clinical data related to their safety and efficacy. The development of novel compounds in this area is expanding and likely will need the advent of a new treatment paradigm for age-associated mobility loss and disability.


Proteogenomic Landscape Of Gastric Adenocarcinoma Peritoneal Metastases, Shuangtao Zhao, Ruiping Wang, Shumei Song, Dapeng Hao, Guangchun Han, Xingzhi Song, Jianhua Zhang, Melissa Pool Pizzi, Namita Shanbhag, Andrew Futreal, Brian Badgwell, Kazuto Harada, George Calin, Jody Vykoukal, Chuan-Yih Yu, Hiroyuki Katayama, Samir M Hanash, Linghua Wang, Jaffer A Ajani Jun 2023

Proteogenomic Landscape Of Gastric Adenocarcinoma Peritoneal Metastases, Shuangtao Zhao, Ruiping Wang, Shumei Song, Dapeng Hao, Guangchun Han, Xingzhi Song, Jianhua Zhang, Melissa Pool Pizzi, Namita Shanbhag, Andrew Futreal, Brian Badgwell, Kazuto Harada, George Calin, Jody Vykoukal, Chuan-Yih Yu, Hiroyuki Katayama, Samir M Hanash, Linghua Wang, Jaffer A Ajani

Faculty, Staff and Student Publications

Advanced gastric adenocarcinoma (GAC) often leads to peritoneal carcinomatosis (PC) and is associated with very poor outcome. Here we report the comprehensive proteogenomic study of ascites derived cells from a prospective GAC cohort (n = 26 patients with peritoneal carcinomatosis, PC). A total of 16,449 proteins were detected from whole cell extracts (TCEs). Unsupervised hierarchical clustering resulted in three distinct groups that reflected extent of enrichment in tumor cells. Integrated analysis revealed enriched biological pathways and notably, some druggable targets (cancer-testis antigens, kinases, and receptors) that could be exploited to develop effective therapies and/or tumor stratifications. Systematic comparison of expression …


Gata6-As1 Regulates Intestinal Epithelial Mitochondrial Functions, And Its Reduced Expression Is Linked To Intestinal Inflammation And Less Favourable Disease Course In Ulcerative Colitis, Katya E Sosnovski, Tzipi Braun, Amnon Amir, Danielle Moshel, Marina Benshoshan, Kelli L Vandussen, Nina Levhar, Haya Abbas-Egbariya, Katia Beider, Rakefet Ben-Yishay, Syed Asad Ali, Sean R Moore, Subra Kugathasan, Ifat Abramovich, Efrat Glick Saar, Batya Weiss, Iris Barshack, Eyal Gottlieb, Tamar Geiger, Shomron Ben-Horin, Igor Ulitsky, Jeffrey S Hyams, Lee A Denson, Yael Haberman Jun 2023

Gata6-As1 Regulates Intestinal Epithelial Mitochondrial Functions, And Its Reduced Expression Is Linked To Intestinal Inflammation And Less Favourable Disease Course In Ulcerative Colitis, Katya E Sosnovski, Tzipi Braun, Amnon Amir, Danielle Moshel, Marina Benshoshan, Kelli L Vandussen, Nina Levhar, Haya Abbas-Egbariya, Katia Beider, Rakefet Ben-Yishay, Syed Asad Ali, Sean R Moore, Subra Kugathasan, Ifat Abramovich, Efrat Glick Saar, Batya Weiss, Iris Barshack, Eyal Gottlieb, Tamar Geiger, Shomron Ben-Horin, Igor Ulitsky, Jeffrey S Hyams, Lee A Denson, Yael Haberman

Faculty, Staff and Student Publications

BACKGROUND AND AIMS: Widespread dysregulation of long non-coding RNAs [lncRNAs] including a reduction in GATA6-AS1 was noted in inflammatory bowel disease [IBD]. We previously reported a prominent inhibition of epithelial mitochondrial functions in ulcerative colitis [UC]. However, the connection between reduction of GATA6-AS1 expression and attenuated epithelial mitochondrial functions was not defined.

METHODS: Mucosal transcriptomics was used to conform GATA6-AS1 reduction in several treatment-naïve independent human cohorts [n=673]. RNA pull-down followed by mass spectrometry was used to determine the GATA6-AS1 interactome. Metabolomics and mitochondrial respiration following GATA6-AS1 silencing in Caco-2 cells were used to elaborate on GATA6-AS1 functions.

RESULTS: GATA6-AS1 …


Loss Of Ampkα2 Promotes Melanoma Tumor Growth And Brain Metastasis, Ping Yuan, Da Teng, Evelyn De Groot, Man Li, Sebastian Trousil, Che-Hung Shen, Jason Roszik, Michael A Davies, Y N Vashisht Gopal, Bin Zheng Jun 2023

Loss Of Ampkα2 Promotes Melanoma Tumor Growth And Brain Metastasis, Ping Yuan, Da Teng, Evelyn De Groot, Man Li, Sebastian Trousil, Che-Hung Shen, Jason Roszik, Michael A Davies, Y N Vashisht Gopal, Bin Zheng

Faculty, Staff and Student Publications

AMP-activated protein kinase (AMPK) is a critical cellular energy sensor at the interface of metabolism and cancer. However, the role of AMPK in carcinogenesis remains unclear. Here, through analysis of the TCGA melanoma dataset, we found that PRKAA2 gene that encodes the α2 subunit of AMPK is mutated in ∼9% of cutaneous melanomas, and these mutations tend to co-occur with NF1 mutations. Knockout of AMPKα2 promoted anchorage-independent growth of NF1-mutant melanoma cells, whereas ectopic expression of AMPKα2 inhibited their growth in soft agar assays. Moreover, loss of AMPKα2 accelerated tumor growth of NF1-mutant melanoma and enhanced their brain …


Dietary Sources Of Linoleic Acid (La) Differ By Race/Ethnicity In Adults Participating In The National Health And Nutrition Examination Survey (Nhanes) Between 2017-2018, Shabnam R Momin, Mackenzie K Senn, Ani Manichaikul, Chaojie Yang, Rasika Mathias, Mimi Phan, Stephen S Rich, Susan Sergeant, Michael Seeds, Lindsay Reynolds, Floyd H Chilton, Alexis C Wood Jun 2023

Dietary Sources Of Linoleic Acid (La) Differ By Race/Ethnicity In Adults Participating In The National Health And Nutrition Examination Survey (Nhanes) Between 2017-2018, Shabnam R Momin, Mackenzie K Senn, Ani Manichaikul, Chaojie Yang, Rasika Mathias, Mimi Phan, Stephen S Rich, Susan Sergeant, Michael Seeds, Lindsay Reynolds, Floyd H Chilton, Alexis C Wood

Faculty, Staff and Students Publications

Linoleic acid (LA) is a primary n-6 polyunsaturated fatty acid (PUFA), which is of interest to nutritional professionals as it has been associated with health outcomes. However, as some LA-rich foods offer protection against chronic diseases such as CVD (e.g., fatty fish), while others increase risk (e.g., red meat), the individual foods contributing to LA intake may be an important factor to consider. Therefore, this analysis sought to examine whether there are racial/ethnic differences in the proportion of overall LA intake accounted for by individual food groups, via a cross-sectional analysis of 3815 adults participating in the National Health …


Strict Conservation Yet Non-Essential Nature Of Plasmid Gene Bba40 In The Lyme Disease Spirochete Borrelia Burgdorferi, Irene N Kasumba, Kit Tilly, Tao Lin, Steven J Norris, Patricia A Rosa Jun 2023

Strict Conservation Yet Non-Essential Nature Of Plasmid Gene Bba40 In The Lyme Disease Spirochete Borrelia Burgdorferi, Irene N Kasumba, Kit Tilly, Tao Lin, Steven J Norris, Patricia A Rosa

Faculty, Staff and Student Publications

The highly segmented genome of Borrelia burgdorferi, the tick-borne bacterium that causes Lyme disease, is composed of a linear chromosome and more than 20 co-existing endogenous plasmids. Many plasmid-borne genes are unique to B. burgdorferi and some have been shown to provide essential functions at discrete points of the infectious cycle between a tick vector and rodent host. In this study, we investigated the role of


Early Mortality In Acute Myeloid Leukemia With Kmt2a Rearrangement Is Associated With High Risk Of Bleeding And Disseminated Intravascular Coagulation, Daniel Nguyen, Hagop M Kantarjian, Nicholas J Short, Wei Qiao, Jing Ning, Branko Cuglievan, Naval G Daver, Courtney D Dinardo, Elias J Jabbour, Tapan M Kadia, Gautam Borthakur, Guillermo Garcia-Manero, Marina Y Konopleva, Michael Andreeff, Farhad Ravandi-Kashani, Koji Sasaki, Ghayas C Issa Jun 2023

Early Mortality In Acute Myeloid Leukemia With Kmt2a Rearrangement Is Associated With High Risk Of Bleeding And Disseminated Intravascular Coagulation, Daniel Nguyen, Hagop M Kantarjian, Nicholas J Short, Wei Qiao, Jing Ning, Branko Cuglievan, Naval G Daver, Courtney D Dinardo, Elias J Jabbour, Tapan M Kadia, Gautam Borthakur, Guillermo Garcia-Manero, Marina Y Konopleva, Michael Andreeff, Farhad Ravandi-Kashani, Koji Sasaki, Ghayas C Issa

Faculty, Staff and Student Publications

Background: Acute myeloid leukemia (AML) with rearrangement of lysine methyltransferase 2a gene (KMT2Ar) is characterized by chemotherapy resistance and high rates of relapse. However, additional causes of treatment failure or early mortality have not been well-defined in this entity.

Methods: In a retrospective analysis, causes and rates of early mortality following induction treatment were compared between a cohort of adults with KMT2Ar AML (N = 172) and an age-matched cohort of patients with normal karyotype AML (N = 522).

Results: The 60-day mortality in patients with KMT2Ar AML was 15% compared with 7% with normal karyotype (p = .04). We …


Social Risks, Social Needs, And Attitudes Toward Social Health Screening 1 Year Into The Covid-19 Pandemic: Survey Of Adults In An Integrated Health Care Delivery System, Nancy P Gordon, Carmen Byker Shanks, Richard W Grant Jun 2023

Social Risks, Social Needs, And Attitudes Toward Social Health Screening 1 Year Into The Covid-19 Pandemic: Survey Of Adults In An Integrated Health Care Delivery System, Nancy P Gordon, Carmen Byker Shanks, Richard W Grant

Faculty, Staff and Student Publications

Introduction Information about demographic differences in social risks, needs, and attitudes toward social health screening in non-highly vulnerable adult populations is lacking. Methods The authors analyzed data for 2869 Kaiser Permanente Northern California non-Medicaid-covered members aged 35 to 85 who responded to a 2021 English-only mailed/online survey. The survey covered 7 social risk and 11 social needs domains and attitudes toward social health screening. The authors used data weighted to the Kaiser Permanente Northern California membership to estimate prevalence of risks, needs, and screening receptivity in the overall population, by race/ethnicity (White, Black, Latinx, Asian American/Pacific Islander) and age (35-65 …


Extracellular Rna Sensing Mediates Inflammation And Organ Injury In A Murine Model Of Polytrauma, Andrew O Suen, Fengqian Chen, Sheng Wang, Ziyi Li, Jing Zhu, Yang Yang, Olivia Conn, Kerri Lopez, Ping Cui, Laurence Wechsler, Alan Cross, Gary Fiskum, Rosemary Kozar, Peter Hu, Catriona Miller, Lin Zou, Brittney Williams, Wei Chao Jun 2023

Extracellular Rna Sensing Mediates Inflammation And Organ Injury In A Murine Model Of Polytrauma, Andrew O Suen, Fengqian Chen, Sheng Wang, Ziyi Li, Jing Zhu, Yang Yang, Olivia Conn, Kerri Lopez, Ping Cui, Laurence Wechsler, Alan Cross, Gary Fiskum, Rosemary Kozar, Peter Hu, Catriona Miller, Lin Zou, Brittney Williams, Wei Chao

Faculty, Staff and Student Publications

Severe traumatic injury leads to marked systemic inflammation and multiorgan injury. Endogenous drivers such as extracellular nucleic acid may play a role in mediating innate immune response and the downstream pathogenesis. Here, we explored the role of plasma extracellular RNA (exRNA) and its sensing mechanism in inflammation and organ injury in a murine model of polytrauma. We found that severe polytrauma—bone fracture, muscle crush injury, and bowel ischemia—induced a marked increase in plasma exRNA, systemic inflammation, and multiorgan injury in mice. Plasma RNA profiling with RNA sequencing in mice and humans revealed a dominant presence of miRNAs and marked differential …


The Insulin Receptor Regulates The Persistence Of Mechanical Nociceptive Sensitization In Flies And Mice, Yan Wang, Roger Lopez-Bellido, Xiaojiao Huo, Annemieke Kavelaars, Michael J Galko Jun 2023

The Insulin Receptor Regulates The Persistence Of Mechanical Nociceptive Sensitization In Flies And Mice, Yan Wang, Roger Lopez-Bellido, Xiaojiao Huo, Annemieke Kavelaars, Michael J Galko

Faculty, Staff and Student Publications

Early phase diabetes is often accompanied by pain sensitization. In Drosophila, the insulin receptor (InR) regulates the persistence of injury-induced thermal nociceptive sensitization. Whether Drosophila InR also regulates the persistence of mechanical nociceptive sensitization remains unclear. Mice with a sensory neuron deletion of the insulin receptor (Insr) show normal nociceptive baselines; however, it is uncertain whether deletion of Insr in nociceptive sensory neurons leads to persistent nociceptive hypersensitivity. In this study, we used fly and mouse nociceptive sensitization models to address these questions. In flies, InR mutants and larvae with sensory neuron-specific expression of RNAi transgenes targeting InR exhibited persistent …


Association Between Bariatric Surgery And Outcomes In Chronic Myeloid Leukemia, Fadi G Haddad, Hagop M Kantarjian, Aram Bidikian, Elias J Jabbour, Nicholas J Short, Jing Ning, Lianchun Xiao, Naveen Pemmaraju, Courtney D Dinardo, Tapan M Kadia, Kayleigh R Marx, Guillermo Garcia-Manero, Farhad Ravandi, Koji Sasaki, Ghayas C Issa Jun 2023

Association Between Bariatric Surgery And Outcomes In Chronic Myeloid Leukemia, Fadi G Haddad, Hagop M Kantarjian, Aram Bidikian, Elias J Jabbour, Nicholas J Short, Jing Ning, Lianchun Xiao, Naveen Pemmaraju, Courtney D Dinardo, Tapan M Kadia, Kayleigh R Marx, Guillermo Garcia-Manero, Farhad Ravandi, Koji Sasaki, Ghayas C Issa

Faculty, Staff and Student Publications

Background: Bariatric surgery is the most effective weight loss intervention. However, it can also decrease the bioavailability of oral medications. Tyrosine kinase inhibitors, the mainstay treatment for chronic myeloid leukemia (CML), are the most successful example of an oral targeted therapy. The impact of bariatric surgery on CML outcomes is unknown.

Methods: In a retrospective analysis, we screened 652 patients with CML and identified 22 with prior bariatric surgery, and compared their outcomes to a matched cohort of 44 patients with no prior bariatric surgery.

Results: The rate of early molecular response (3-month BCR::ABL1 < 10% International Scale) was lower in the bariatric surgery group compared with the control group (68% vs. 91%; p = .05), with longer median times to achieve complete cytogenetic (6 vs. 3 months; p = .001) or major molecular responses (12 vs. 6 months; p = .001). Bariatric surgery was associated with inferior event-free survival (5-year, 60% vs. 77%; p = .004) and failure-free survival (5-year, 32% vs. 63%; p < .0001). In a multivariate analysis, bariatric surgery was the only independent predictor for the risk of treatment failure (hazard ratio, 9.40; 95% CI, 2.71-32.55; p = .0004) or event-free survival (hazard ratio, 4.24; 95% CI, 1.67-12.23; p = .008).

Conclusions: Bariatric surgery is associated with …


A Comparison Of Two Approaches To Dynamic Prediction: Joint Modeling And Landmark Modeling, Wenhao Li, Liang Li, Brad C Astor Jun 2023

A Comparison Of Two Approaches To Dynamic Prediction: Joint Modeling And Landmark Modeling, Wenhao Li, Liang Li, Brad C Astor

Faculty, Staff and Student Publications

Joint modeling and landmark modeling are two mainstream approaches to dynamic prediction in longitudinal studies, that is, the prediction of a clinical event using longitudinally measured predictor variables available up to the time of prediction. It is an important research question to the methodological research field and also to practical users to understand which approach can produce more accurate prediction. There were few previous studies on this topic, and the majority of results seemed to favor joint modeling. However, these studies were conducted in scenarios where the data were simulated from the joint models, partly due to the widely recognized …


Cutting Edge: Il-21 And Tissue-Specific Signals Instruct Tbet+Cd11c+ B Cell Development Following Viral Infection, Wenzhi Song, Gina M Sanchez, Daniel P Mayer, Holly N Blackburn, Irene Chernova, Richard A Flavell, Jason S Weinstein, Joe Craft Jun 2023

Cutting Edge: Il-21 And Tissue-Specific Signals Instruct Tbet+Cd11c+ B Cell Development Following Viral Infection, Wenzhi Song, Gina M Sanchez, Daniel P Mayer, Holly N Blackburn, Irene Chernova, Richard A Flavell, Jason S Weinstein, Joe Craft

Faculty, Staff and Student Publications

Tbet+CD11c+ B cells, also known as age-associated B cells (ABCs), are pivotal contributors to humoral immunity following infection and in autoimmunity, yet their in vivo generation is incompletely understood. We used a mouse model of systemic acute lymphocytic choriomeningitis virus infection to examine the developmental requirements of ABCs that emerged in the spleen and liver. IL-21 signaling through STAT3 was indispensable for ABC development. In contrast, IFN-γ signaling through STAT1 was required for B cell activation and proliferation. Mice that underwent splenectomy or were deficient in lymphotoxin α generated hepatic ABCs despite the lack of secondary lymphoid organ contributions, suggesting …


Hematopoietic Progenitor Kinase 1 Inhibits The Development And Progression Of Pancreatic Intraepithelial Neoplasia, Hua Wang, Rohan Moniruzzaman, Lei Li, Baoan Ji, Yi Liu, Xiangsheng Zuo, Reza Abbasgholizadeh, Jun Zhao, Guangchao Liu, Ruiqi Wang, Hongli Tang, Ryan Sun, Xiaoping Su, Tse-Hua Tan, Anirban Maitra, Huamin Wang Jun 2023

Hematopoietic Progenitor Kinase 1 Inhibits The Development And Progression Of Pancreatic Intraepithelial Neoplasia, Hua Wang, Rohan Moniruzzaman, Lei Li, Baoan Ji, Yi Liu, Xiangsheng Zuo, Reza Abbasgholizadeh, Jun Zhao, Guangchao Liu, Ruiqi Wang, Hongli Tang, Ryan Sun, Xiaoping Su, Tse-Hua Tan, Anirban Maitra, Huamin Wang

Faculty, Staff and Student Publications

Ras plays an essential role in the development of acinar-to-ductal metaplasia (ADM) and pancreatic ductal adenocarcinoma (PDAC). However, mutant Kras is an inefficient driver for PDAC development. The mechanisms of the switching from low Ras activity to high Ras activity that are required for development and progression of pancreatic intraepithelial neoplasias (PanINs) are unclear. In this study, we found that hematopoietic progenitor kinase 1 (HPK1) was upregulated during pancreatic injury and ADM. HPK1 interacted with the SH3 domain and phosphorylated Ras GTPase-activating protein (RasGAP) and upregulated RasGAP activity. Using transgenic mouse models of HPK1 or M46, a kinase-dead mutant of …


Contribution Of The Oral And Gastrointestinal Microbiomes To Bloodstream Infections In Leukemia Patients, Stephanie Mcmahon, Pranoti Sahasrabhojane, Jiwoong Kim, Samantha Franklin, Chia-Chi Chang, Robert R Jenq, Andrew E Hillhouse, Samuel A Shelburne, Jessica Galloway-Peña Jun 2023

Contribution Of The Oral And Gastrointestinal Microbiomes To Bloodstream Infections In Leukemia Patients, Stephanie Mcmahon, Pranoti Sahasrabhojane, Jiwoong Kim, Samantha Franklin, Chia-Chi Chang, Robert R Jenq, Andrew E Hillhouse, Samuel A Shelburne, Jessica Galloway-Peña

Faculty, Staff and Student Publications

Bloodstream infections (BSIs) pose a significant mortality risk for acute myeloid leukemia (AML) patients. It has been previously reported that intestinal domination (>30% relative abundance [RA] attributed to a single taxon) with the infecting taxa often precedes BSI in stem cell transplant patients. Using 16S rRNA amplicon sequencing, we analyzed oral and stool samples from 63 AML patients with BSIs to determine the correlation between the infectious agent and microbiome composition. Whole-genome sequencing and antimicrobial susceptibilities were performed on all BSI isolates. Species-level detection of the infectious agent and presence of antibiotic resistance determinants in the stool (


Complement C3ar Depletion Reverses Hif-1Α-Induced Metabolic Impairment And Enhances Microglial Response To Aβ Pathology, Manasee Gedam, Michele M Comerota, Nicholas E Propson, Tao Chen, Feng Jin, Meng C Wang, Hui Zheng Jun 2023

Complement C3ar Depletion Reverses Hif-1Α-Induced Metabolic Impairment And Enhances Microglial Response To Aβ Pathology, Manasee Gedam, Michele M Comerota, Nicholas E Propson, Tao Chen, Feng Jin, Meng C Wang, Hui Zheng

Faculty, Staff and Students Publications

Microglia are the major cell type expressing complement C3a receptor (C3aR) in the brain. Using a knockin mouse line in which a Td-tomato reporter is incorporated into the endogenous C3ar1 locus, we identified 2 major subpopulations of microglia with differential C3aR expression. Expressing the Td-tomato reporter on the APPNL-G-F-knockin (APP-KI) background revealed a significant shift of microglia to a high-C3aR-expressing subpopulation and they were enriched around amyloid β (Aβ) plaques. Transcriptomic analysis of C3aR-positive microglia documented dysfunctional metabolic signatures, including upregulation of hypoxia-inducible factor 1 (HIF-1) signaling and abnormal lipid metabolism in APP-KI mice compared with wild-type controls. Using primary …


History Of Childhood Physical Abuse Is Associated With Gut Microbiota Diversity Among Adult Psychiatric Inpatients, Jessica C Rohr, Katelynn A Bourassa, Dominique S Thompson, J Christopher Fowler, B Christopher Frueh, Benjamin L Weinstein, Joseph Petrosino, Alok Madan Jun 2023

History Of Childhood Physical Abuse Is Associated With Gut Microbiota Diversity Among Adult Psychiatric Inpatients, Jessica C Rohr, Katelynn A Bourassa, Dominique S Thompson, J Christopher Fowler, B Christopher Frueh, Benjamin L Weinstein, Joseph Petrosino, Alok Madan

Faculty, Staff and Students Publications

BACKGROUND: Traumatic life events are associated with the development of psychiatric and chronic medical illnesses. This exploratory study examined the relationship between traumatic life events and the gut microbiota among adult psychiatric inpatients.

METHODS: 105 adult psychiatric inpatients provided clinical data and a single fecal sample shortly after admission. A modified version of the Stressful Life Events Screening Questionnaire was used to quantify history of traumatic life events. 16S rRNA gene sequencing was used to analyze the gut microbial community.

RESULTS: Gut microbiota diversity was not associated with overall trauma score or any of the three trauma factor scores. Upon …


Radiofrequency Ablation As A Treatment Modality For Primary Hyperparathyroidism: A Systematic Literature Review, Peter P. Issa, Emad Kandil, Grace S. Lee Jun 2023

Radiofrequency Ablation As A Treatment Modality For Primary Hyperparathyroidism: A Systematic Literature Review, Peter P. Issa, Emad Kandil, Grace S. Lee

School of Medicine Faculty Publications

Background: Primary hyperparathyroidism (pHPT) is an endocrine disorder typically characterized by elevated serum calcium and elevated parathyroid hormone (PTH). While parathyroidectomy is the standard treatment, non-operative intervention such as radiofrequency ablation (RFA) has been adopted as an alternative for the management of pHPT, as it has been utilized in other endocrine glands such as thyroid and adrenal. In this literature review, we aim to evaluate the current practice of RFA for pHPT. Methods: A systematic literature search using PubMed, Web of Science, and Embase through June 2022 was conducted. Studies included in the review consisted of patient cohorts who had …


Troponin In Acute Chest Pain To Risk Stratify And Guide Effective Use Of Computed Tomography Coronary Angiography (Target-Ctca): A Randomised Controlled Trial, Kuan Ken Lee, David Lowe, Rachel O'Brien, Ryan Wereski, Anda Bularga, Caelan Taggart, Matthew T H Lowry, Amy V Ferry, Michelle C Williams, Giles Roditi, John Byrne, Chris Tuck, Denise Cranley, Praveen Thokala, Steve Goodacre, Catriona Keerie, John Norrie, David E Newby, Alasdair J Gray, Nicholas L Mills Jun 2023

Troponin In Acute Chest Pain To Risk Stratify And Guide Effective Use Of Computed Tomography Coronary Angiography (Target-Ctca): A Randomised Controlled Trial, Kuan Ken Lee, David Lowe, Rachel O'Brien, Ryan Wereski, Anda Bularga, Caelan Taggart, Matthew T H Lowry, Amy V Ferry, Michelle C Williams, Giles Roditi, John Byrne, Chris Tuck, Denise Cranley, Praveen Thokala, Steve Goodacre, Catriona Keerie, John Norrie, David E Newby, Alasdair J Gray, Nicholas L Mills

Faculty, Staff and Student Publications

BACKGROUND: The majority of patients with suspected acute coronary syndrome presenting to the emergency department will be discharged once myocardial infarction has been ruled out, although a proportion will have unrecognised coronary artery disease. In this setting, high-sensitivity cardiac troponin identifies those at increased risk of future cardiac events. In patients with intermediate cardiac troponin concentrations in whom myocardial infarction has been ruled out, this trial aims to investigate whether outpatient computed tomography coronary angiography (CTCA) reduces subsequent myocardial infarction or cardiac death.

METHODS: TARGET-CTCA is a multicentre prospective randomised open label with blinded endpoint parallel group event driven trial. …


A Novel Comorbidity Score For Older Adults With Non-Hodgkin Lymphoma: The 3-Factor Risk Estimate Scale, Max J Gordon, Zhigang Duan, Hui Zhao, Loretta Nastoupil, Alessandra Ferrajoli, Alexey V Danilov, Sharon H Giordano Jun 2023

A Novel Comorbidity Score For Older Adults With Non-Hodgkin Lymphoma: The 3-Factor Risk Estimate Scale, Max J Gordon, Zhigang Duan, Hui Zhao, Loretta Nastoupil, Alessandra Ferrajoli, Alexey V Danilov, Sharon H Giordano

Faculty, Staff and Student Publications

For patients with non-Hodgkin lymphoma (NHL), formal comorbidity assessment is recommended but is rarely conducted in routine practice. A simple, validated measure of comorbidities that standardizes their assessment could improve adherence to guidelines. We previously constructed the 3-factor risk estimate scale (TRES) among patients with chronic lymphocytic leukemia (CLL). Here, we investigated TRES in multiple NHL subtypes. In the surveillance, epidemiology, and end results-Medicare database, patients with NHL diagnosed from 2008 to 2017 were included. Upper gastrointestinal, endocrine, and vascular comorbidities were identified using ICD-9/ICD-10 codes to assign TRES scores. Patient characteristic distributions were compared using χ2 or t test. …


Eganelisib, A First-In-Class Pi3kγ Inhibitor, In Patients With Advanced Solid Tumors: Results Of The Phase 1/1b Mario-1 Trial, David S Hong, Michael Postow, Bartosz Chmielowski, Ryan Sullivan, Amita Patnaik, Ezra E W Cohen, Geoffrey Shapiro, Conor Steuer, Martin Gutierrez, Heather Yeckes-Rodin, Robert Ilaria, Brenda O'Connell, Joanna Peng, Guangbin Peng, Nora Zizlsperger, Anthony Tolcher, Jedd D Wolchok Jun 2023

Eganelisib, A First-In-Class Pi3kγ Inhibitor, In Patients With Advanced Solid Tumors: Results Of The Phase 1/1b Mario-1 Trial, David S Hong, Michael Postow, Bartosz Chmielowski, Ryan Sullivan, Amita Patnaik, Ezra E W Cohen, Geoffrey Shapiro, Conor Steuer, Martin Gutierrez, Heather Yeckes-Rodin, Robert Ilaria, Brenda O'Connell, Joanna Peng, Guangbin Peng, Nora Zizlsperger, Anthony Tolcher, Jedd D Wolchok

Faculty, Staff and Student Publications

Purpose: Eganelisib (IPI-549) is a first-in-class, orally administered, highly selective PI3Kγ inhibitor with antitumor activity alone and in combination with programmed cell death protein 1/ligand 1 (PD-1/PD-L1) inhibitors in preclinical studies. This phase 1/1b first-in-human, MAcrophage Reprogramming in Immuno-Oncology-1 (NCT02637531) study evaluated the safety and tolerability of once-daily eganelisib as monotherapy and in combination with nivolumab in patients with solid tumors.

Patients and methods: Dose-escalation cohorts received eganelisib 10-60 mg as monotherapy (n = 39) and 20-40 mg when combined with nivolumab (n = 180). Primary endpoints included incidence of dose-limiting toxicities (DLT) and adverse events (AE).

Results: …


Correction: Dual Inhibition Of Igf-Ir And Alk As An Effective Strategy To Eradicate Npm-Alk+ T-Cell Lymphoma, Bhawana George, Suraj Konnath George, Wenyu Shi, Abedul Haque, Ping Shi, Ghazaleh Eskandari, Magnus Axelson, Olle Larsson, Ahmed O Kaseb, Hesham M Amin Jun 2023

Correction: Dual Inhibition Of Igf-Ir And Alk As An Effective Strategy To Eradicate Npm-Alk+ T-Cell Lymphoma, Bhawana George, Suraj Konnath George, Wenyu Shi, Abedul Haque, Ping Shi, Ghazaleh Eskandari, Magnus Axelson, Olle Larsson, Ahmed O Kaseb, Hesham M Amin

Faculty, Staff and Student Publications

No abstract provided.


Need For Risk Adjustment In Comparative Effectiveness And Cost-Effectiveness Studies In R/R Follicular Lymphoma, John Gribben, M Lia Palomba, Anik R Patel, Myrna Nahas, Sattva S Neelapu Jun 2023

Need For Risk Adjustment In Comparative Effectiveness And Cost-Effectiveness Studies In R/R Follicular Lymphoma, John Gribben, M Lia Palomba, Anik R Patel, Myrna Nahas, Sattva S Neelapu

Faculty, Staff and Student Publications

No abstract provided.


Application Of Natural Polysaccharides And Their Novel Dosage Forms In Gynecological Cancers: Therapeutic Implications From The Diversity Potential Of Natural Compounds, Yi Li, Chuanlong Zhang, Lu Feng, Qian Shen, Fudong Liu, Xiaochen Jiang, Bo Pang Jun 2023

Application Of Natural Polysaccharides And Their Novel Dosage Forms In Gynecological Cancers: Therapeutic Implications From The Diversity Potential Of Natural Compounds, Yi Li, Chuanlong Zhang, Lu Feng, Qian Shen, Fudong Liu, Xiaochen Jiang, Bo Pang

Faculty, Staff and Student Publications

Cancer is one of the most lethal diseases. Globally, the number of cancers is nearly 10 million per year. Gynecological cancers (for instance, ovarian, cervical, and endometrial), relying on hidden diseases, misdiagnoses, and high recurrence rates, have seriously affected women's health. Traditional chemotherapy, hormone therapy, targeted therapy, and immunotherapy effectively improve the prognosis of gynecological cancer patients. However, with the emergence of adverse reactions and drug resistance, leading to the occurrence of complications and poor compliance of patients, we have to focus on the new treatment direction of gynecological cancers. Because of the potential effects of natural drugs in regulating …