Publications by authors named "Ellen B Jaeger"
Purpose: DNA damage response and repair (DDR) gene alterations contribute to genomic instability and increased tumor immunogenicity, yet their clinical significance in non-small cell lung cancer (NSCLC) remains unclear. Using a large real-world dataset, we evaluated the prevalence of DDR alterations and their relation to the tumor immune microenvironment in metastatic NSCLC.
Experimental Design: We retrospectively analyzed real-world data from patients with metastatic NSCLC using the Tempus AI database.
Article Synopsis
- The study focuses on metastatic castration-resistant prostate cancer (mCRPC) that is resistant to androgen receptor signaling inhibitors, which is often lethal, and aims to investigate liquid biopsy biomarkers related to this disease.
- Researchers analyzed cell-free DNA and methylation from 126 mCRPC patients and developed a "stem-like" signature through RNA sequencing from both single cells and bulk samples.
- Findings indicated that specific alterations in cell-free DNA correlated with poorer patient outcomes, and an increase in stemness-associated traits in lethal mCRPC patients suggests a reprogramming mechanism that contributes to the aggressiveness of the cancer.
Metastatic castration-resistant prostate cancer (mCRPC) resistant to androgen receptor (AR)-targeted agents is often lethal. Unfortunately, biomarkers for this deadly disease remain under investigation, and underpinning mechanisms are ill-understood. Here, we applied deep sequencing to ∼100 mCRPC patients prior to the initiation of first-line AR-targeted therapy, which detected /enhancer alterations in over a third of patients, which correlated with lethality.
View Article and Find Full Text PDFPurpose: Circulating tumor DNA (ctDNA) detection in blood has emerged as a prognostic and predictive biomarker demonstrating improved assessment of treatment response in patients receiving immune checkpoint inhibitors (ICIs). Here, we performed a pilot study to support the role of ctDNA for longitudinal treatment response monitoring in patients with advanced genitourinary (GU) malignancies receiving ICIs.
Materials And Methods: Patients with histologically confirmed advanced GU malignancies were prospectively enrolled.
Article Synopsis
- African American men are diagnosed with and die from prostate cancer at higher rates than Caucasian men, and genetic differences, specifically higher rates of CDK12 somatic mutations, may contribute to this disparity.
- A study analyzing ctDNA in metastatic castration-resistant prostate cancer (mCRPC) between these two groups found that African American men exhibited significantly more pathogenic mutations and frameshift mutations after treatment with abiraterone and/or enzalutamide.
- The results suggest that the genetic differences observed in African American men could have implications for targeted treatments and personalized medicine in managing prostate cancer.
Background: Bipolar androgen therapy (BAT) is a novel therapy known to be effective in a subset of men with metastatic castrate resistant prostate cancer (mCRPC). A better understanding of responders and nonresponders to BAT would be useful to clinicians considering BAT therapy for patients. Herein we analyze clinical and genetic factors in responders/nonresponders to better refine our understanding regarding which patients benefit from this innovative therapy.
View Article and Find Full Text PDFBackground: Prostate cancer (PC) rarely metastasizes to the central nervous system (CNS). In this retrospective single-institution study at a tertiary cancer center, we aimed to evaluate the clinical and genetic characteristics of advanced PC patients with CNS metastases.
Patients And Methods: Between January 2010 and March 2020, 12 out of 579 patients with extracranial metastatic PC were identified to have CNS metastases based on imaging, including six patients with brain metastases (BMs), five patients with dural metastases, and one unknown.
Bactericidal urea crown ethers target phosphatidylethanolamine membrane lipids.
Org Biomol Chem
May 2021
An increasing number of people are infected with antibiotic-resistant bacteria each year, sometimes with fatal consequences. In this manuscript, we report a novel urea-functionalized crown ether that can bind to the bacterial lipid phosphatidylethanolamine (PE), facilitate PE flip-flop and displays antibacterial activity against the Gram-positive bacterium Bacillus cereus with a minimum inhibitory concentration comparable to that of the known PE-targeting lantibiotic duramycin.
View Article and Find Full Text PDFBackground: The goal of this study is to evaluate germline genetic variants in African American men with metastatic prostate cancer as compared to those in Caucasian men with metastatic prostate cancer in an effort to understand the role of genetic factors in these populations.
Methods: African American and Caucasian men with metastatic prostate cancer who had germline testing using multigene panels were used to generate comparisons. Germline genetic results, clinical parameters, and family histories between the two populations were analyzed.