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Macrophage Immunometabolism - Emerging Targets for Regrowth in Aging Muscle.
Am J Physiol Endocrinol Metab
January 2025
Diabetes & Metabolism Research Center, University of Utah, Salt Lake City, UT, 84112.
The recovery from muscle atrophy is impaired with aging as characterized by improper muscle remodeling and sustained functional deficits. Age-related deficits in muscle regrowth are tightly linked with the loss of early pro-inflammatory macrophage responses and subsequent cellular dysregulation within the skeletal muscle niche. Macrophage inflammatory phenotype is regulated at the metabolic level, highlighting immunometabolism as an emerging strategy to enhance macrophage responses and restore functional muscle regrowth.
View Article and Find Full Text PDFStakeholder perspectives on facilitators and barriers to implementing a zero-dollar copay program for chronic conditions study.
Health Res Policy Syst
January 2025
Department of Maternal and Child Health, University of North Carolina Chapel Hill School of Global Public Health, Chapel Hill, United States of America.
Background: Type 2 diabetes mellitus (T2D) remains a pressing public health concern. Despite advancements in antidiabetic medications, suboptimal medication adherence persists among many individuals with T2D, often due to the high cost of medications. To combat this issue, Blue Cross and Blue Shield of Louisiana (Blue Cross) introduced the $0 Drug Copay (ZDC) program, providing $0 copays for select drugs.
View Article and Find Full Text PDFIntegrative multiomics reveals common endotypes across PSEN1, PSEN2, and APP mutations in familial Alzheimer's disease.
Alzheimers Res Ther
January 2025
Department of Bioengineering, University of California, San Diego, La Jolla, CA, 92093, USA.
Background: PSEN1, PSEN2, and APP mutations cause Alzheimer's disease (AD) with an early age at onset (AAO) and progressive cognitive decline. PSEN1 mutations are more common and generally have an earlier AAO; however, certain PSEN1 mutations cause a later AAO, similar to those observed in PSEN2 and APP.
Methods: We examined whether common disease endotypes exist across these mutations with a later AAO (~ 55 years) using hiPSC-derived neurons from familial Alzheimer's disease (FAD) patients harboring mutations in PSEN1, PSEN2, and APP and mechanistically characterized by integrating RNA-seq and ATAC-seq.
Dissecting tumor transcriptional heterogeneity from single-cell RNA-seq data by generalized binary covariance decomposition.
Nat Genet
January 2025
Departments of Statistics and Human Genetics, University of Chicago, Chicago, IL, USA.
Profiling tumors with single-cell RNA sequencing has the potential to identify recurrent patterns of transcription variation related to cancer progression, and to produce therapeutically relevant insights. However, strong intertumor heterogeneity can obscure more subtle patterns that are shared across tumors. Here we introduce a statistical method, generalized binary covariance decomposition (GBCD), to address this problem.
View Article and Find Full Text PDFA stromal inflammasome Ras safeguard against Myc-driven lymphomagenesis.
Nat Immunol
January 2025
Jill Roberts Institute for Research in Inflammatory Bowel Disease, Weill Cornell Medicine, Cornell University, New York, NY, USA.
The inflammasome plays multifaceted roles in cancer, but less is known about its function during premalignancy upon initial cell transformation. We report a homeostatic function of the inflammasome in suppressing malignant transformation through Ras inhibition. We identified increased hematopoietic stem cell (HSC) proliferation within the bone marrow of inflammasome-deficient mice.
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