What question did this study set out to answer?

To evaluate whether adenoviral vectors engineered to deliver immunomodulatory transgenes can overcome desmoplasia and immunosuppression in pancreatic ductal adenocarcinoma.

September 25, 2026Molecular Cancer Therapeutics

Targeting pancreatic cancer with adenoviral vectors equipped with transgenes

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To evaluate whether adenoviral vectors engineered to deliver immunomodulatory transgenes can overcome desmoplasia and immunosuppression in pancreatic ductal adenocarcinoma.
Engineered adenoviral vectors expressing four individual candidate transgenes: IFNγ, sTGFβRII, IL7, and sTIM3.
Tested therapeutic efficacy in an immunocompetent syngeneic mouse model harboring tumors derived from KPC pancreatic cancer cells.
Constructed and evaluated a dual-expressing vector combining the two most effective transgenes, IFNγ and sTGFβRII.
All four transgene-expressing adenoviral vectors stimulated anti-tumor responses, increased intratumoral immune activation markers, and enhanced anti-tumor immune cell infiltration.
Significant inhibition of desmoplasia occurred in three of the four tested single-transgene vectors.
The dual-expressing IFNγ and sTGFβRII adenoviral vector generated the strongest anti-tumor response, maximized fibrosis reduction, and induced systemic abscopal effects against distant tumors.

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Implication

Preclinical study demonstrates that adenoviral vectors expressing immune transgenes reduce tumors and fibrosis in pancreatic cancer mice, highlighting potential for combination immunotherapies.

Cite This Study

Roach et al. (2026) studied this question.

synapsesocial.com/papers/6ab60fdf406bf401c1468c2b https://doi.org/10.1158/1535-7163.mct-25-1231

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Implication

Preclinical study demonstrates that adenoviral vectors expressing immune transgenes reduce tumors and fibrosis in pancreatic cancer mice, highlighting potential for combination immunotherapies.

Targeting pancreatic cancer with adenoviral vectors equipped with transgenes

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Discussion

Implication

Cite This Study

Targeting pancreatic cancer with adenoviral vectors equipped with transgenes

Key Points

Discussion

Implication

Cite This Study

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