RGD Reference Report - ABL-MYC retroviral infection elicits bone marrow plasma cell tumors in Bcl-X(L) transgenic mice. - Rat Genome Database

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ABL-MYC retroviral infection elicits bone marrow plasma cell tumors in Bcl-X(L) transgenic mice.

Authors: Linden, M  Kirchhof, N  Kvitrud, M  Van Ness, B 
Citation: Linden M, etal., Leuk Res. 2005 Apr;29(4):435-44. Epub 2004 Dec 18.
RGD ID: 11353872
Pubmed: PMID:15725478   (View Abstract at PubMed)
DOI: DOI:10.1016/j.leukres.2004.09.007   (Journal Full-text)

Multiple myeloma is characterized by the accumulation of malignant plasma cells in the bone marrow. While there have been many attempts to genetically recapitulate this disease in animal models, few reports describe plasma cell tumors that exhibit bone marrow involvement. We recently described a Bcl-X(L) transgenic mouse that developed polyclonal non-malignant B-cell expansions in the bone marrow and lymphoid organs. In this report, we describe induction of plasma cell tumors in littermate control and Bcl-X(L) transgenic mice with a retrovirus expressing v-Abl and c-Myc. Nearly 100% of the ABL-MYC-infected littermate control and Bcl-X(L) mice developed plasma cell tumors. There was no difference in tumor latency in young mice infected; however, following ABL-MYC infection, aged Bcl-X(L) mice demonstrated a median survival of 9 weeks, while littermate control mice demonstrated a median survival of 19 weeks. Interestingly, while both littermate control and Bcl-X(L) mice infected with the ABL-MYC retrovirus developed extramedullary plasma cell tumors, only the ABL-MYC-infected Bcl-X(L) mice, but not the ABL-MYC-infected littermate control mice, developed bone marrow plasma cell tumors with characteristic radiolucent bone lesions. Tumor cell populations were clonally related, and analysis of tumor immunoglobulin genes demonstrated evidence consistent with somatic hypermutation. This report implicates an unidentified role of Bcl-X(L) in bone marrow plasma cell tumor formation, as ABL-MYC retroviral infection only elicits bone marrow plasma cell tumors in mice that ectopically express Bcl-X(L) in their B- and plasma cells.

RGD Manual Disease Annotations    Click to see Annotation Detail View
TermQualifierEvidenceWithReferenceNotesSourceOriginal Reference(s)
plasma cell neoplasm severityISOBcl2l1 (Mus musculus)11353872; 11353872 RGD 
plasma cell neoplasm severityIMP 11353872 RGD 

Objects Annotated

Genes (Rattus norvegicus)
Bcl2l1  (Bcl2-like 1)

Genes (Mus musculus)
Bcl2l1  (BCL2-like 1)

Genes (Homo sapiens)
BCL2L1  (BCL2 like 1)


Additional Information