Evidence map›Paper›PMID 42142972›Full record

ReviewTrends in immunology2026

Rethinking the origins and functions of adaptive immunity.

Derick Okwan-Duodu, Erik A Sperling, Edgar G Engleman

Abstract readReview
In one paragraph

Review in Trends in immunology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

0numbers the graph read from it
0cells of the map it votes in
0citing 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

0 citing papers in PubMed.

No citing paper in PubMed yet.

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

3 authors.

Derick Okwan-DuoduDepartment of Pathology, Stanford University, Stanford, CA, USA. Electronic address: dokwan@stanford.edu.
Erik A SperlingDepartment of Earth and Planetary Sciences, Stanford University, Stanford, CA, USA.
Edgar G EnglemanDepartment of Pathology, Stanford University, Stanford, CA, USA.

Funding

Translational Oncology Research Program (Project-005)P30CA124435 · NCI · STANFORD UNIVERSITY · PI MICHAEL KENNEY · 2007 to 2026
$71.4M
Systems Biology of Tumor-Immune-Stromal Interactions in Metastatic ProgressionU54CA274511 · NCI · STANFORD UNIVERSITY · PI JOSEPH B SHRAGER · 2023 to 2026
$9.5M
Targeting Lymph Node Dependent Immune Tolerance in CancerR01CA251174 · NCI · STANFORD UNIVERSITY · PI EDGAR G. ENGLEMAN · 2021 to 2026
$3.2M
High dimensional atlas of circulating neutrophils as reporters of solid organ functional statusR01ES034235 · NIEHS · STANFORD UNIVERSITY · PI OKWAN-DUODU, DERICK · 2021 to 2025
$2.1M
NCI NIH HHS P30 CA124435NCI NIH HHS R01 CA251174NCI NIH HHS U54 CA274511NIEHS NIH HHS R01 ES034235
6 · The paper itself

Abstract

The adaptive immune system (AIS) is traditionally viewed as a defensive vertebrate innovation forged by pathogen pressure. Yet many of its core features suggest it is a homeostatic, regulatory circuit, not simply a sophisticated means of antimicrobial warfare. The horizontal transfer of mitochondria--endogenous endosymbiotic organelles-is a conserved mechanism for maintaining tissue homeostasis through metabolic rescue but can alter a cell's identity and provoke immune responses. We propose that escalating multicellular complexity accommodated mitochondrial mobility-and the inevitable intrinsic immunological danger it presents-through a complementary supervisory system with buffering (tolerance), contextualization (specificity), memory, and eliminatory capacities. This perspective reframes the AIS as a constitutive danger management network, integrating tissue homeostasis, metabolic surveillance, immune tolerance, and immunological defense.

Indexed as

Adaptive ImmunityMitochondriaAnimalsHomeostasisHumansImmune ToleranceSymbiosisconstitutive dangerhorizontal mitochondria transferimmunitytissue homeostasistolerance

Identifiers

PMID42142972
PMCPMC13386576

What OpenQuestion holds

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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 OpenQuestion graph.