Evidence map›Paper›PMID 40813232›Full record

ArticleJournal of nuclear medicine : official publication, Society of Nuclear Medicine2025

Monitoring T-Cell Activation in the Tumor Microenvironment by PET Imaging of the Chemokine CXCL9.

Orit Jacobson, Hongwei H Zhang, Colleen P Olkowski, Behnaz Ghaemi, Falguni Basuli, Jianfeng Shi, Meghan M Bell, Farhat Parween, Sundar Ganesan, Thomas J Esparza and 3 more

Abstract read
In one paragraph

Article in Journal of nuclear medicine : official publication, Society of Nuclear Medicine, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.

0numbers the graph read from it
0cells of the map it votes in
5citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

5 citing papers in PubMed.

  1. A Novel CD147-Targeting Nanobody for Immuno-PET Imaging of Liver Cancer.Journal of nuclear medicine : official publication, Society of Nuclear Medicine · 2026
    Article
  2. Article
  3. Imaging the fate of CAR-T cellsFrontiers in immunology · 2026
    Review
  4. Article
  5. Visualizing T-cell activation: PET imaging of CXCL9 as a window into the tumor immune response.American journal of nuclear medicine and molecular imaging · 2025
    Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

13 authors.

Orit JacobsonMolecular Imaging Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Maryland.
Hongwei H ZhangLaboratory of Molecular Immunology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Maryland.
Colleen P OlkowskiMolecular Imaging Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Maryland.
Behnaz GhaemiMolecular Imaging Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Maryland.
Falguni BasuliChemistry and Synthesis Center, National Heart, Lung, and Blood Institute, National Institutes of Health, Rockville, Maryland.
Jianfeng ShiChemistry and Synthesis Center, National Heart, Lung, and Blood Institute, National Institutes of Health, Rockville, Maryland.
Meghan M BellMolecular Imaging Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Maryland.
Farhat ParweenLaboratory of Molecular Immunology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Maryland.
Sundar GanesanBiological Imaging Section, Research Technologies Branch, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Maryland.
Thomas J EsparzaLaboratory of Functional and Molecular Imaging, National Institute of Neurological Disorders and Stroke Intramural Research Program, Bethesda, Maryland.
Freddy E EscorciaMolecular Imaging Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Maryland.
Peter L ChoykeMolecular Imaging Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Maryland; pchoyke@mail.nih.gov jfarber@niaid.nih.gov.
Joshua M FarberLaboratory of Molecular Immunology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Maryland; pchoyke@mail.nih.gov jfarber@niaid.nih.gov.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Noninvasive monitoring of immune responses is important for increasing the efficacy of cancer immunotherapy. Although several approaches exist, few methods directly report on T-cell activation. We aimed to develop a novel PET probe targeting C-X-C motif chemokine ligand 9 (CXCL9), a chemokine specifically induced by interferon gamma (IFN-γ), a cytokine that is produced by activated T cells and group 1 innate lymphoid cells. CXCL9 binds to glycosaminoglycans, which are expressed on cell surfaces and the extracellular matrix, to recruit or position cells in the tumor microenvironment. In cancers, expression of CXCL9 has been associated with improved survival and predicts and reflects responses to immunotherapy. The pronounced upregulation of CXCL9 by IFN-γ and CXCL9's extracellular accessibility and site-specific accumulation make it a compelling biomarker for detecting T-cell activation.

Indexed as

Chemokine CXCL9Lymphocyte ActivationPositron-Emission TomographyT-LymphocytesTumor MicroenvironmentAnimalsCell Line, TumorHumansMiceChemokine CXCL9CXCL9 protein, human18FCXCL9immunotherapynanobodyPET imaging

Identifiers

PMID40813232
PMCPMC12410298

What Socratic holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.