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Anti-correlation between KLRG1 and PD-1 in tumor CD8 T cells

A new study published in Oncotarget discovered an anti-correlation between PD-1 and KLRG1 expression in human tumor infiltrating CD8 T cells. This finding suggests the potential for combination therapy to enhance cancer treatment by targeting both markers simultaneously, which could lead to more significant and long-lasting benefits.

SourceImpact Journals LLC·JournalOncotarget·TypeNews article·DateJan 21, 2025

Phenotypic and epigenetic clocks for aging and mortality

This systematic review analyzes 33 biological clocks used for aging and mortality quantification, categorizing them into epigenetic and phenotypic clocks. Epigenetic clocks demonstrate precision in estimating chronological age through DNA methylation, while phenotypic clocks predict mortality using easily measurable clinical variables.

SourceImpact Journals LLC·JournalAging-US·TypeSystematic review·DateNov 20, 2024

Navigating bias in AI-driven cancer detection

AI models trained on limited data may misdiagnose certain populations, particularly those in underserved communities. Researchers propose six key strategies to develop fair AI models, including using diverse datasets and transparent decision-making processes.

SourceImpact Journals LLC·JournalOncotarget·TypeCommentary/editorial·DateNov 11, 2024

New research uncovers how Barred Owls interact with urban areas and why it matters

A study by Louisiana State University and other institutions reveals the connection between owl habitat selection and an urban landscape, highlighting the need to study animal behavior during both active and inactive periods. This research informs how urban spaces can be designed to accommodate wildlife while supporting human residents.

SourceAmerican Ornithological Society Publications Office·JournalOrnithological Applications·DateNov 11, 2024

Tumor dormancy initiated by lymphovascular embolus

Researchers discovered that tumor dormancy in breast cancer can be triggered by specific signaling changes within small cell clusters, called tumor emboli. Key mechanisms include reduced activity of mTOR and structural shifts in E-cadherin, which are regulated by the PI3K pathway.

SourceImpact Journals LLC·JournalOncotarget·TypeNews article·DateOct 30, 2024

New model to study macrophage aging mechanisms

Researchers developed an in vitro model of murine peritoneal macrophage aging to study molecular mechanisms and develop innovative strategies. Chronic treatment with CB3 completely prevented the increase of p21CIP1 and maintained proliferative activity in day 14 macrophages.

SourceImpact Journals LLC·JournalAging-US·TypeNews article·DateOct 24, 2024

How blood cancer cells rewire to evade drug treatment

Researchers found that blood cancer cells rewired their gene regulatory networks to evade drug treatment in Acute Myeloid Leukemia (AML), disrupting normal differentiation and growth. The study identified key findings, including changes in open chromatin regions and the loss of binding of RUNX1 and AP-1 transcription factors.

SourceImpact Journals LLC·JournalOncotarget·TypeCommentary/editorial·DateOct 23, 2024

Zika virus as a treatment for brain cancer: A systematic review

Researchers evaluated the efficacy and safety of using Zika virus for treating CNS tumors, finding that it reduces cell viability, inhibits growth, and decreases Bcl2 expression, potentially enhancing chemotherapy and radiotherapy effects. This ultimately led to significant tumor remission and improved long-term survival through an enh...

SourceImpact Journals LLC·JournalOncotarget·TypeSystematic review·DateOct 9, 2024