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. Author manuscript; available in PMC: 2014 Dec 1.
Published in final edited form as: Endocr Relat Cancer. 2014 May 6;21(3):R195–R208. doi: 10.1530/ERC-13-0512

Table 1.

Genetically engineered mouse models that develop ER+ breast cancer

A. Models developing ER+ mammary cancer from direct over-expression of ERα
Published
Nomenclature
Genetic
Nomenclature
Background
Strain
Age range of mice
demonstrating
cancer
development
(months)
Percentage of
mice with
mammary cancers
within this age
range
Percentage of
mammary
cancers
designated
ER+
Parity required
for tumor
development
Refs
tTA/TAg/ER-α Tet-op-Esr1MMTV-tTA/tet-op-SV40-TAg C57Bl/6 10–12 37% 100% No Tilli MT, Frech MS, Steed ME, Hruska KS, Johnson MD, Flaws JA & Furth PA 2003 Introduction of estrogen receptor-alpha into the tTA/TAg conditional mouse model precipitates the development of estrogen-responsive mammary adenocarcinoma. Am J Pathol 163 1713–1719.
CERM (Conditional Estrogen Receptor alpha in Mammary tissue) Tet-op-Esr1MMTV-rtTA C57Bl/6 10–12 3–5% 50% No Miermont AM 2012 Association of Over-Expressed Estrogen Receptor Alpha with Development of Tamoxifen Resistant Hyperplasia and Adenocarcinomas in Genetically Engineered Mice. Anatomy & Physiology 02.

Miermont AM, Parrish AR & Furth PA 2010 Role of ERalpha in the differential response of Stat5a loss in susceptibility to mammary preneoplasia and DMBA-induced carcinogenesis. Carcinogenesis 31 1124–1131.

Frech MS, Halama ED, Tilli MT, Singh B, Gunther EJ, Chodosh LA, Flaws JA & Furth PA 2005 Deregulated estrogen receptor alpha expression in mammary epithelial cells of transgenic mice results in the development of ductal carcinoma in situ. Cancer Res 65 681–685.
AIB1Δ3/CERM Tet-op-Esr1MMTV-tTA/tet-op- AIB1Δ3 C57Bl/6 19–26 7% 50% No Nakles RE, Shiffert MT, Diaz-Cruz ES, Cabrera MC, Alotaiby M, Miermont AM, Riegel AT & Furth PA 2011 Altered AIB1 or AIB1Delta3 expression impacts ERalpha effects on mammary gland stromal and epithelial content. Mol Endocrinol 25 549–563.
Brca1f/f;MMTV-Cre/p53+/−/CERM Tet-op-Esr1MMTV-rtTA/Brca1 f11/f11/MMTV-Cre/p53+/− C57Bl/6 9–16 100% 50% No Jones LP, Assefnia S, Chandrasekharan S, et al. 2007 Identification of conserved gene expression features between murine mammary carcinoma models and human breast tumors. Genome Biol 8 R76.
B. Models developing ER+ mammary cancer as a result of genetic alterations of molecules impacting estrogen signaling
Published
Nomenclature
Genetic
Nomenclature
Backgroun
d Strain
Age range of mice
demonstrating cancer
development
(months)
Percentage of mice
with mammary
cancers within this
age range
Percentage of
mammary
cancers
designated ER+
Parity required for tumor
development
Refs
MMTV-cyclinD1 MMTV-Ccdn1 C57Bl/6 12 5% 100% No Miermont AM 2012 Association of Over-Expressed Estrogen Receptor Alpha with Development of Tamoxifen Resistant Hyperplasia and Adenocarcinomas in Genetically Engineered Mice. Anatomy & Physiology 02.

Wang TC, Cardiff RD, Zukerberg L, Lees E, Arnold A & Schmidt EV 1994 Mammary hyperplasia and carcinoma in MMTV-cyclin D1 transgenic mice. Nature 369 669–671.
MMTV-cyclinD1 MMTV-Ccdn1 FVB 20–23 47.5% 37.5% Yes Lin DI, Lessie MD, Gladden AB, Bassing CH, Wagner KU & Diehl JA 2008 Disruption of cyclin D1 nuclear export and proteolysis accelerates mammary carcinogenesis. Oncogene 27 1231–1242.
MMTV-D1T286A MMTV-Ccdn1T286A FVB 16–20 51% 50% Yes Lin DI, Lessie MD, Gladden AB, Bassing CH, Wagner KU & Diehl JA 2008 Disruption of cyclin D1 nuclear export and proteolysis accelerates mammary carcinogenesis. Oncogene 27 1231–1242.
NRL-PRL
Line 1655-8
Lcn2-Prl1655–8 FVB 12–21 80% 50% No Rose-Hellekant TA, Arendt LM, Schroeder MD, Gilchrist K, Sandgren EP & Schuler LA 2003 Prolactin induces ERalpha-positive and ERalpha-negative mammary cancer in transgenic mice. Oncogene 22 4664–4674.
MMTV-Wnt1 MMTV-Wnt1 FVB 3–7 80% 86% No Zhang X, Podsypanina K, Huang S, Mohsin SK, Chamness GC, Hatsell S, Cowin P, Schiff R & Li Y 2005 Estrogen receptor positivity in mammary tumors of Wnt-1 transgenic mice is influenced by collaborating oncogenic mutations. Oncogene 24 4220–4231.
P53(R270H/+)WAPCre p53R270H/+/WAP-Cre 129Sv/C57BL/6 7–8 87% 67% Yes Wijnhoven SW, Zwart E, Speksnijder EN, Beems RB, Olive KP, Tuveson DA, Jonkers J, Schaap MM, van den Berg J, Jacks T, et al. 2005 Mice expressing a mammary gland-specific R270H mutation in the p53 tumor suppressor gene mimic human breast cancer development. Cancer Res 65 8166–8173.
P53fp/fpWAPCrec p53fp/fpWAPCrec CB6F1 × C57BL/6 8–12.5 92% 40% No Lin SC, Lee KF, Nikitin AY, Hilsenbeck SG, Cardiff RD, Li A, Kang KW, Frank SA, Lee WH & Lee EY 2004 Somatic mutation of p53 leads to estrogen receptor alpha-positive and -negative mouse mammary tumors with high frequency of metastasis. Cancer Res 64 3525–3532.
p53 null p53 BALB/c 11–12 24–55% 21% No Medina D, Kittrell FS, Shepard A, Stephens LC, Jiang C, Lu J, Allred DC, McCarthy M & Ullrich RL 2002 Biological and genetic properties of the p53 null preneoplastic mammary epithelium. Faseb j 16 881–883.
Stat1−/− 129S6/SvEvTac-Stat1tm1Rds 129S6/SvEv 18–26 62% 90% No Chan SR, Vermi W, Luo J, Lucini L, Rickert C, Fowler AM, Lonardi S, Arthur C, Young LJ, Levy DE, et al. 2012 STAT1-deficient mice spontaneously develop estrogen receptor alpha-positive luminal mammary carcinomas. Breast Cancer Res 14 R16.
TGFα×p53+/− Nrl-TGFαp53+/− FVB/N 9–21 100% “most” No Rose-Hellekant TA, Schroeder MD, Brockman JL, Zhdankin O, Bolstad R, Chen KS, Gould MN, Schuler LA & Sandgren EP 2007 Estrogen receptor-positive mammary tumorigenesis in TGFalpha transgenic mice progresses with progesterone receptor loss. Oncogene 26 5238–5246.
MMTV-AIB1 MMTV-AIB1 FVB/N 12–25 76% 40% No Torres-Arzayus MI, Font de Mora J, Yuan J, Vazquez F, Bronson R, Rue M, Sellers WR & Brown M 2004 High tumor incidence and activation of the PI3K/AKT pathway in transgenic mice define AIB1 as an oncogene. Cancer Cell 6 263–274.
MMTV-Espl1 MMTV-Espl1 C57Bl/6 10–11 80% 100% Yes Mukherjee M, Ge G, Zhang N, Edwards DG, Sumazin P, Sharan SK, Rao PH, Medina D & Pati D 2013 MMTV-Espl1 transgenic mice develop aneuploid, estrogen receptor alpha (ERalpha)-positive mammary adenocarcinomas. Oncogene.
MMTV-Espl1, p53+/ MMTV-Espl1p53+/− C57Bl/6 10–11 100% 45% Yes Mukherjee M, Ge G, Zhang N, Edwards DG, Sumazin P, Sharan SK, Rao PH, Medina D & Pati D 2013 MMTV-Espl1 transgenic mice develop aneuploid, estrogen receptor alpha (ERalpha)-positive mammary adenocarcinomas. Oncogene
Pik3caH1047R R26-Pik3caH1047R/MMTV-CreNLST FVB 5–16 69% 96% Yes Adams JR, Xu K, Liu JC, Agamez NM, Loch AJ, Wong RG, Wang W, Wright KL, Lane TF, Zacksenhaus E, et al. 2011 Cooperation between Pik3ca and p53 mutations in mouse mammary tumor formation. Cancer Res 71 2706–2717.
C. Model developing ER+ mammary cancer as a result of pharmacologic treatment in combination with genetic alterations of molecules impacting estrogen signaling
GEM Model
Published
Nomenclature
Genetic
Nomenclature
Background
Strain
Age range of mice
demonstrating
cancer
development
(months)
Percentage of
mice with
mammary
cancers within this age
range
Percentage of
mammary
cancers
designated
ER+
Pharmacological
Inducer
Parity required
for tumor
development
Ref
Brca1f11/f11/p53+/−/MMTV-Cre Brca1f11/f11/p53+/−MMTV-Cre C57Bl/6 10–12 100% 23% Efatutazone administered at age 4 months No Nakles RE, Kallakury BV & Furth PA 2013 The PPARgamma agonist efatutazone increases the spectrum of well-differentiated mammary cancer subtypes initiated by loss of full-length BRCA1 in association with TP53 haploinsufficiency. Am J Pathol 182 1976–1985.
D. Model developing ER+ mammary cancer as a result of carcinogen exposure in combination with genetic alterations of molecules impacting estrogen signaling
Published
Nomenclature
Genetic
Nomenclature
Background
Strain
Age range of
mice
demonstrating
cancer
development
(months)
Percentage of
mice with
mammary
cancers
within this
age range
Percentage of
mammary
cancers
designated
ER+
Chemical Inducer Ref
MMTV-myrAkt1 MMTV-AKT1myr C57Bl/6 6–12 40% 100 7,12-dimethylbenz(a)anthracene (DMBA) treatment for 5 weeks beginning at 9 weeks of age No Blanco-Aparicio C, Perez-Gallego L, Pequeno B, Leal JF, Renner O & Carnero A 2007 Mice expressing myrAKT1 in the mammary gland develop carcinogen-induced ER-positive mammary tumors that mimic human breast cancer. Carcinogenesis 28 584–594
E. Model developing ER+ mammary cancer as a result of brother-sister matings of nude mice
Published
Nomenclature
Background
Strain
Age range of mice
demonstrating cancer
development
(months)
Percentage of mice
with mammary cancers
within this age range
Percentage of
mammary
cancers
designated ER+
Parity required for
tumor
development
Ref
Spontaneous Mammary Tumor model NIH Nude 3.5–12 62% 100% Yes Kumar MJ, Ponvijay KS, Nandhini R, Nagarajan RS, Jose J, Srinivas G, Nagarajan P, Venkatesan R, Kumar K & Singh S 2007 A mouse model for luminal epithelial like ER positive subtype of human breast cancer. BMC Cancer 7 180.