ReviewCancers2025
Unveiling Extramedullary Myeloma Immune Microenvironment: A Systematic Review.
Review in Cancers, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
What it found
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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.
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.
Who cites it
4 citing papers in PubMed.
- Bilateral proptosis as the initial manifestation of multiple myeloma with orbital involvement: case report and literature review.Oxford medical case reports · 2026Article
- Extramedullary Disease-Achilles Heel in Myeloma?American journal of hematology · 2026Review
- Modeling the Bone Marrow Niche in Multiple Myeloma: From 2D Cultures to 3D Systems.International journal of molecular sciences · 2025Review
- Beyond the bone marrow: a review of therapeutic approaches for extramedullary disease in multiple myeloma and the significance of MRD assessment.Journal of medicine and life · 2025Review
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
8 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
BACKGROUND/
objectivesIn recent years, efforts by the scientific community to elucidate the underlying mechanisms of clonal expansion and selection within tumors have led to the theory of "tumor ecosystems", implicating, among other factors, the role of the microenvironment in therapy resistance and tumor progression. In this context, the contribution of the microenvironment in the development of multiple myeloma (MM) is being investigated, imparting great emphasis on continuous clonal evolution. This process gives rise to aggressive clones with the potential to spread to extramedullary sites, rendering any treatment strategy practically ineffective. This systematic review aimed to gather knowledge about the immune microenvironment (IME) of extramedullary plasma cell myeloma and the differences in immune synthesis between medullary and extramedullary disease (EMD).
methodsA search strategy according to PRISMA guidelines was conducted in seven databases, and six articles meeting the inclusion criteria were encompassed in the study.
resultsResults obtained from molecular analysis as well as flow cytometry and immunofluorescence indicated profound genetic instability at EMD sites along with spatial and temporal heterogeneity of the IME, implying a possible correlation between them. Both genetic and microenvironment variability were notably greater in EMD compared to medullary disease. The establishment of an immunosuppressive microenvironment was the rule, with exhausted CD8+ and natural killer (NK) cells, M2 macrophages, and inactivated dendritic cells found co-localized with neoplastic plasma cells, whereas cytotoxic CD8+ cells, M1 macrophages, and active dendritic cells congregated in tumor-free areas. Post-therapy alterations in the immune milieu were also noted and were concerned mostly the percentages of Tregs and MDSCs.
conclusionsThe recognition of the microenvironment-myeloma cell interplay is essential for designing specific therapeutic strategies and ameliorating disease prognosis.
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Registered trials
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 OpenQuestion graph.