Mouse xenograft modeling of human adult acute lymphoblastic leukemia provides mechanistic insights into adult LIC biology

Bella Patel, Aditi Dey, Anna Z. Castleton, Claire Schwab, Edward Samuel, Janani Sivakumaran, Brendan Beaton, Nahid Zareian, Christie Yu Zhang, Lena Rai, Tariq Enver, Anthony Moorman, Adele K. Fielding

Research output: Contribution to journalArticle

Abstract

The distinct nature of acute lymphoblastic leukemia (ALL) in adults, evidenced by inferior treatment outcome and different genetic landscape, mandates specific studies of disease-initiating mechanisms. In this study, we used NOD/LtSz-scid IL2Rγ nullc (NSG) mouse xenotransplantation approaches to elucidate leukemia-initiating cell (LIC) biology in primary adult precursor B (pre-B) ALL to optimize disease modeling. In contrast with xenografting studies of pediatric ALL, we found that modification of the NSG host environment using preconditioning total body irradiation (TBI) was indispensable for efficient engraftment of adult non-t(4;11) pre-B ALL, whereas t(4;11) pre-B ALL was successfully reconstituted without this adaptation. Furthermore, TBI-based xenotransplantation of non-t(4;11) pre-B ALL enabled detection of a high frequency of LICs (<1:6900) and permitted frank leukemic engraftment from a remission sample containing drugresistant minimal residual disease. Investigation of TBI-sensitive stromal-derived factor-1/chemokine receptor type 4 signaling revealed greater functional dependence of non-t(4;11) pre-B ALL on this niche-based interaction, providing a possible basis for the differential engraftment behavior. Thus, our studies establish the optimal conditions for experimental modeling of human adult pre-B ALL and demonstrate the critical protumorogenic role of microenvironment-derived SDF-1 in regulating adult pre-B LIC activity that may present a therapeutic opportunity.

Original languageEnglish (US)
Pages (from-to)96-105
Number of pages10
JournalBlood
Volume124
Issue number1
DOIs
StatePublished - Jul 3 2014
Externally publishedYes

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Cytology
Precursor Cell Lymphoblastic Leukemia-Lymphoma
Heterografts
Cell Biology
Leukemia
Irradiation
Heterologous Transplantation
Whole-Body Irradiation
Pediatrics
Chemokine Receptors
Cells
B-Cell Leukemia
Residual Neoplasm

ASJC Scopus subject areas

  • Biochemistry
  • Immunology
  • Hematology
  • Cell Biology

Cite this

Patel, B., Dey, A., Castleton, A. Z., Schwab, C., Samuel, E., Sivakumaran, J., ... Fielding, A. K. (2014). Mouse xenograft modeling of human adult acute lymphoblastic leukemia provides mechanistic insights into adult LIC biology. Blood, 124(1), 96-105. https://doi.org/10.1182/blood-2014-01-549352

Mouse xenograft modeling of human adult acute lymphoblastic leukemia provides mechanistic insights into adult LIC biology. / Patel, Bella; Dey, Aditi; Castleton, Anna Z.; Schwab, Claire; Samuel, Edward; Sivakumaran, Janani; Beaton, Brendan; Zareian, Nahid; Zhang, Christie Yu; Rai, Lena; Enver, Tariq; Moorman, Anthony; Fielding, Adele K.

In: Blood, Vol. 124, No. 1, 03.07.2014, p. 96-105.

Research output: Contribution to journalArticle

Patel, B, Dey, A, Castleton, AZ, Schwab, C, Samuel, E, Sivakumaran, J, Beaton, B, Zareian, N, Zhang, CY, Rai, L, Enver, T, Moorman, A & Fielding, AK 2014, 'Mouse xenograft modeling of human adult acute lymphoblastic leukemia provides mechanistic insights into adult LIC biology', Blood, vol. 124, no. 1, pp. 96-105. https://doi.org/10.1182/blood-2014-01-549352
Patel, Bella ; Dey, Aditi ; Castleton, Anna Z. ; Schwab, Claire ; Samuel, Edward ; Sivakumaran, Janani ; Beaton, Brendan ; Zareian, Nahid ; Zhang, Christie Yu ; Rai, Lena ; Enver, Tariq ; Moorman, Anthony ; Fielding, Adele K. / Mouse xenograft modeling of human adult acute lymphoblastic leukemia provides mechanistic insights into adult LIC biology. In: Blood. 2014 ; Vol. 124, No. 1. pp. 96-105.
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