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Anti-IL-11Rα CAR-T Preclinical In Vivo Assay

Target Background

IL-11Rα (interleukin 11 receptor subunit α), which is validated as the receptor binding the IL11-peptide mimetic CGRRAGGSC, is a stromal cell-derived cytokine with an extracellular region composed of an immunoglobulin-like domain and a cytokine receptor-like domain. Accumulative evidences prove that the significantly enhanced IL-11Rα expression correlates with human prostate malignancy and osteosarcoma (OS). Its expression level is low in normal organ tissues despite the gastrointestinal tract. Therefore, the functional roles of IL-11Rα in the growth and metastasis of OS and prostate cancer make it a valuable and novel target for the development of CAR-specific T-cell therapy.

Mechanism of IL-11-mediated induction of gp130 and gastric tumorigenesis

Mechanism of IL-11-mediated induction of gp130 and gastric tumorigenesis
The Journal of clinical investigation 118.5 (2008): 1628-1631

Anti- IL-11Rα CAR-T Cell Therapy

Despite the improved prognosis of combining treatment of surgery and chemotherapy, the advanced, metastatic or recurrent OS are still in urgent need of novel efficient therapeutic methods. Several efforts have been spent to explore the use of CAR-T therapy in preclinical models to treat sarcomas by targeting interleukin-11 receptor α chain. However, the clinical study of anti-IL-11Rα CAR-T cell therapy has not been reported up to now, even the preclinical studies are very limited. Therefore, Creative Biolabs helps researchers capture the brighter and prosperous future of anti-IL-11Rα CAR-T cell therapy.

Tumor-specific T-cell-based immunotherapy

Tumor-specific T-cell-based immunotherapy
Frontiers in Immunology 7 (2016)

Animal Models for in vivo Study of anti-IL-11Rα CAR-T Cell Therapy

Creative Biolabs offers researchers almost all the animal models (murine, canine, etc.) generated from the major techniques including the conventional carcinogen-induced models, the secondary OS models after radiation, the mosaic transposon- or virus-induced models, the transgenic models and the subcutaneous or patient-derived xenograft models for a variety of OS and prostate cancers.

Summary of genetically modified OS murine models

Summary of genetically modified OS murine models
Expert review of anticancer therapy 10.8 (2010): 1327-1338

Furthermore, Creative Biolabs is always passionate about introducing our well-established animal models to in vivo tests of adoptive cell therapy and providing assistance in creating the most clinically relevant animal models with customized requirements.

In vivo Assay Parameters and Techniques

At Creative Biolabs, we offer the most exquisite and comprehensive service platform for preclinical IL-11Rα CAT-T cell therapy research.
Efficacy Test
Tumor remission monitored by tumor volume recording or bioluminescence imaging and survival curve tracking
Viability and Bio-distribution Studies
Durability, GLP-compliant bio-distribution studies
Toxicity Evaluation
Pilot tolerability (MTD, The route of administration, Dose regimen/response/onset)
Clinical observation (body weight, feed consumption, ophthalmologic and clinical pathology)
Cytokine storm surveillance (fever, hypertension, prolonged cytopenia)
Complete necropsy, organ weight
Tumorigenicity study

To extend the fundamental capabilities of CAR-T cell therapy to all the potential targets, Creative Biolabs is dedicated to creating the most scientific pre-clinical assay design in vivo with the most clinically relevant animal models with the consideration of every elementary detail to innovate the prosperous future of CAR-T cell therapy for concrete utility.


  1. Huang, Gangxiong, et al. "Genetically modified T cells targeting interleukin-11 receptor α-chain kill human osteosarcoma cells and induce the regression of established osteosarcoma lung metastases." Cancer research 72.1 (2012): 271-281.
  2. Wang, Zhan, et al. "T-cell-based immunotherapy for osteosarcoma: challenges and opportunities." Frontiers in Immunology 7 (2016).
  3. Merchant, Juanita L. "What lurks beneath: IL-11, via Stat3, promotes inflammation-associated gastric tumorigenesis." The Journal of clinical investigation 118.5 (2008): 1628-1631.
  4. Pasqualini, Renata, et al. "Targeting the interleukin‐11 receptor α in metastatic prostate cancer: a first-in-man study." Cancer 121.14 (2015): 2411-2421.
  5. Fan, Timothy M. "Animal models of osteosarcoma." Expert review of anticancer therapy 10.8 (2010): 1327-1338.

All services and products are only for lab research use, not for any clinical diagnosis or treatment.

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