Research

Patient-Derived Xenograft and Advanced In Vivo Models Core

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About Us

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The Patient-Derived Xenograft and Advanced In Vivo Models (PDX-AIM) Core of Baylor College of Medicine is divided into two independent but closely interacting functional units, a PDX Development Unit created to facilitate establishment and use of PDXs using immunocompromised mice as the host species, and an Advanced In Vivo Models Unit created to facilitate establishment and use of patient material grown on the chorioallantoic membrane (CAM) of the chicken egg. The Advanced In Vivo Models Unit also employs the CAM model to establish non-tumorigenic organoids, 3-D tumors from existing cancer cell lines, and creation and optimization of custom bioassays to assess tumor neovascularization, invasion, and metastasis. Recent acquisition of the IVIS lumina series III instrument has facilitated a more precise and quantitative assessment of tumor growth in PDX/AIM models.

A primary focus of the core is to develop, and provide to the Baylor PDX community, computational and bioinformatics infrastructure to support large scale generation, characterization, and use of PDX and CAM-PDX models from a variety of organ sites, including breast, head and neck, pancreas, brain, as well as other cancer types of interest to Baylor investigators including pediatric cancers. The core will also provide expertise in transplantation and animal handling to those wishing to generate PDXs from various cancer types. Finally, the core will coordinate, and assist with, the evaluation of experimental therapeutics using the PDX and CAM-PDX in vivo platforms in conjunction with those investigators maintaining PDX collections for each organ/disease type. All services will be provided on a chargeback basis.

All PDX work involving animals is conducted in dedicated housing and surgical suites in the Transgenic Mouse Facility of BCM, a fully AAALAC-accredited animal care and housing facility. Work is supported by the Center for Comparative Medicine which administers the facility. CCM provides full veterinary care, administrative and regulatory oversight, and assistance with animal husbandry. All CAM-PDX work is conducted in dedicated space in the Neurosensory Tower.

The core holds monthly PDX interest group meetings in which two PDX/CAM-PDX projects will be discussed each meeting, and there will be an opportunity for group discussion of PDX-related issues. In addition, the core holds monthly operational meetings between the two PDX units. Core directors are available for individual consultations with interested investigators on an as needed basis.

For detailed information on PDX models represented in the core, please visit our PDX Portal website.

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Acknowledgements of Core in Publications

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Publications containing assay results, data, images or products generated by the core require citation in the acknowledgment section of the paper to include the core name, core personnel and any grants that directly support core operations (P30 Cancer Center Support Grant NCI-CA125123, CPRIT Core Facilities Support Grant RP170691).  If authorship criteria are met by any of the core staff, then they must be included as authors on publications.

For publications utilizing the AIM Unit:

Core name: Patient-derived Xenograft and Advanced In Vivo Models Core

Personnel: Andrew G. Sikora, Ph.D., Academic Director, Hugo Villanueva, Ph.D.,  Technical Director, Mariana Villanueva, M.S., Research Staff.

Grants supporting the core: CPRIT Core Facility Award (RP170691) and P30 Cancer Center Support Grant (NCI-CA125123).

For publications utilizing the PDX Unit:

Core name: Patient-derived Xenograft and Advanced In Vivo Models Core

Personnel: Michael T. Lewis, Ph.D., Academic Director, Lacey E. Dobrolecki, M.S., Technical Director.

Grants supporting the core: CPRIT Core Facility Award (RP170691) and P30 Cancer Center Support Grant (NCI-CA125123).

 

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