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Voigt AY, Michaud M, Tsai KY, Oh J, Sundberg JP. Differential Hairless Mouse Strain-Specific Susceptibility to Skin Cancer and Sunburn. J Invest Dermatol 2019; 139:1837-1840.e3. [PMID: 30742806 DOI: 10.1016/j.jid.2019.01.028] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2018] [Revised: 01/24/2019] [Accepted: 01/25/2019] [Indexed: 11/18/2022]
Affiliation(s)
- Anita Y Voigt
- The Jackson Laboratory For Genomic Medicine, Farmington, Connecticut, USA
| | - Michael Michaud
- The Jackson Laboratory For Genomic Medicine, Farmington, Connecticut, USA
| | - Kenneth Y Tsai
- Departments of Pathology and Tumor Biology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, Florida, USA
| | - Julia Oh
- The Jackson Laboratory For Genomic Medicine, Farmington, Connecticut, USA.
| | - John P Sundberg
- The Jackson Laboratory, Mammalian Genomics, Bar Harbor, Maine, USA
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Abdelmegeed SM, Mohammed S. Canine mammary tumors as a model for human disease. Oncol Lett 2018; 15:8195-8205. [PMID: 29928319 PMCID: PMC6004712 DOI: 10.3892/ol.2018.8411] [Citation(s) in RCA: 71] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2017] [Accepted: 02/12/2018] [Indexed: 12/13/2022] Open
Abstract
Animal models for examining human breast cancer (HBC) carcinogenesis have been extensively studied and proposed. With the recent advent of immunotherapy, significant attention has been focused on the dog as a model for human cancer. Dogs develop mammary tumors and other cancer types spontaneously with an intact immune system, which exhibit a number of clinical and molecular similarities to HBC. In addition to the spontaneous tumor presentation, the clinical similarities between human and canine mammary tumors (CMT) include the age at onset, hormonal etiology and course of the diseases. Furthermore, factors that affect the disease outcome, including tumor size, stage and lymph node invasion, are similar in HBC and CMT. Similarly, the molecular characteristics of steroid receptor, epidermal growth factor, proliferation marker, metalloproteinase and cyclooxygenase expression, and the mutation of the p53 tumor suppressor gene in CMT, mimic HBC. Furthermore, ductal carcinomas in situ in human and canine mammary glands are particularly similar in their pathological, molecular and visual characteristics. These CMT characteristics and their similarities to HBC indicate that the dog could be an excellent model for the study of human disease. These similarities are discussed in detail in the present review, and are compared with the in vitro and other in vivo animal models available.
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Affiliation(s)
- Somaia M Abdelmegeed
- Department of Comparative Pathobiology, Purdue University Center for Cancer Research, Purdue University, West Lafayette, IN 47907, USA
| | - Sulma Mohammed
- Department of Comparative Pathobiology, Purdue University Center for Cancer Research, Purdue University, West Lafayette, IN 47907, USA
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Konger RL, Derr-Yellin E, Hojati D, Lutz C, Sundberg JP. Comparison of the acute ultraviolet photoresponse in congenic albino hairless C57BL/6J mice relative to outbred SKH1 hairless mice. Exp Dermatol 2016; 25:688-93. [PMID: 27095432 DOI: 10.1111/exd.13034] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/14/2016] [Indexed: 12/25/2022]
Abstract
Hairless albino Crl:SKH1-Hr(hr) mice are commonly utilized for studies in which hair or pigmentation would introduce an impediment to observational studies. Being an outbred strain, the SKH1 model suffers from key limitations that are not seen with congenic mouse strains. Inbred and congenic C57BL/6J mice are commonly utilized for modified genetic mouse models. We compare the acute UV-induced photoresponse between outbred SKH1 mice and an immune competent, hairless, albino C57BL/6J congenic mouse line [B6.Cg-Tyr(c-2J) Hr(hr) /J]. Histologically, B6.Cg-Tyr(c-2J) Hr(hr) /J skin is indistinguishable from that of SKH1 mice. The skin of both SKH1 and B6.Cg-Tyr(c-2J) Hr(hr) /J mice exhibited a reduction in hypodermal adipose tissue, the presence of utricles and dermal cystic structures, the presence of dermal granulomas and epidermal thickening. In response to a single 1500 J/m(2) ultraviolet B dose, the oedema and apoptotic responses were equivalent in both mouse strains. However, B6.Cg-Tyr(c-2J) Hr(hr) /J mice exhibited a more robust delayed sunburn reaction, with an increase in epidermal erosion, scab formation and myeloperoxidase activity relative to SKH1 mice. Compared with SKH1 mice, B6.Cg-Tyr(c-2J) Hr(hr) /J also exhibited an aberrant proliferative response to this single UV exposure. Epidermal Ki67 immunopositivity was significantly suppressed in B6.Cg-Tyr(c-2J) Hr(hr) /J mice at 24 h post-UV. A smaller non-significant reduction in Ki67 labelling was observed in SKH1 mice. Finally, at 72 h post-UV, SKH1 mice, but not B6.Cg-Tyr(c-2J) Hr(hr) /J mice, exhibited a significant increase in Ki67 immunolabelling relative to non-irradiated controls. Thus, B6.Cg-Tyr(c-2J) Hr(hr) /J mice are suitable for photobiology experiments.
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Affiliation(s)
- Raymond L Konger
- Department of Pathology & Laboratory Medicine, Indiana University School of Medicine, Indianapolis, IN, USA.,Department of Dermatology, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Ethel Derr-Yellin
- Department of Pathology & Laboratory Medicine, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Delaram Hojati
- Department of Pathology & Laboratory Medicine, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Cathleen Lutz
- Rare and Orphan Disease Center, Department of Genetic Resources Sciences, The Jackson Laboratory, Bar Harbor, ME, USA
| | - John P Sundberg
- Research and Development, The Jackson Laboratory, Bar Harbor, ME, USA
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Berman B, Ellis C, Elmets C. Polypodium Leucotomos--An Overview of Basic Investigative Findings. J Drugs Dermatol 2016; 15:224-228. [PMID: 26885792 PMCID: PMC5189711] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
The use of Polypodium leucotomos, a species of fern, has been reported to be beneficial in the treatment of atopic dermatitis, vitiligo, and psoriasis, and for prevention of polymorphic light eruption, sunburn, and squamous cell carcinoma. We review the in vivo animal, in vitro human, and human clinical studies performed to help elucidate the actions of and biologic pathways affected by P. leucotomos. These results serve as the scientific rationale and basis for the protection and effectiveness afforded by P. leucotomos in cutaneous diseases.
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Araujo VCP, Fukutani KF, Oshiro ET, Rodrigues PO, Rizk YS, Carollo CA, Arruda CCP. Hairless mice as an experimental model of infection with Leishmania (Leishmania) amazonensis. Exp Parasitol 2015; 157:138-44. [PMID: 26234915 DOI: 10.1016/j.exppara.2015.07.010] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2014] [Revised: 06/23/2015] [Accepted: 07/30/2015] [Indexed: 12/19/2022]
Abstract
HRS/J Hairless mice have been investigated as an experimental model in cutaneous leishmaniasis induced by Leishmania (Leishmania) amazonensis. The animals were inoculated with 10(6) promastigotes into the right hind footpad and the course of infection was followed up for 30, 60 and 90 days. BALB/c mice were infected and used as control. Hairless mice were susceptible to L. (L.) amazonensis infection and a progressive increase in number of parasites and footpad thickness was detected over time. Signals of dissemination and visceralization were confirmed by the presence of parasite in the draining lymph node of lesion and spleen, at different times post infection. IL-10 gene expression evaluated by RT-PCR was significantly higher in Hairless mice at 60 days post infection, corroborating the pattern of susceptibility. These results point this inbred strain as a promising susceptible model for the study of experimental infection induced by L. (L.) amazonensis. This model would allow the use of other infection sites that minimize secondary interference and best monitoring the skin lesion, as in the case of in vivo assays of potential drugs for LT.
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Affiliation(s)
- Vanessa Carneiro Pereira Araujo
- Laboratório de Parasitologia Humana, Centro de Ciências Biológicas e da Saúde, Universidade Federal de Mato Grosso do Sul, Av. Costa e Silva, S/No, Cidade Universitária, Campo Grande, Brazil.
| | - Kiyoshi Ferreira Fukutani
- Laboratório de Imunoparasitologia, Centro de Pesquisas Gonçalo Moniz, FIOCRUZ, Salvador, Bahia, Brazil.
| | - Elisa Teruya Oshiro
- Laboratório de Parasitologia Humana, Centro de Ciências Biológicas e da Saúde, Universidade Federal de Mato Grosso do Sul, Av. Costa e Silva, S/No, Cidade Universitária, Campo Grande, Brazil.
| | - Patrik Oening Rodrigues
- Laboratório de Tecnologia Farmacêutica, Centro de Ciências Biológicas e da Saúde, Universidade Federal de Mato Grosso do Sul, Av. Costa e Silva, S/No, Cidade Universitária, Campo Grande, Brazil.
| | - Yasmin Silva Rizk
- Laboratório de Parasitologia Humana, Centro de Ciências Biológicas e da Saúde, Universidade Federal de Mato Grosso do Sul, Av. Costa e Silva, S/No, Cidade Universitária, Campo Grande, Brazil.
| | - Carlos Alexandre Carollo
- Laboratório de Produtos Naturais e Espectrometria de Massas - LaPNEM, Centro de Ciências Biológicas e da Saúde, Universidade Federal de Mato Grosso do Sul, Av. Costa e Silva, S/No, Cidade Universitária, Campo Grande, Brazil.
| | - Carla Cardozo Pinto Arruda
- Laboratório de Parasitologia Humana, Centro de Ciências Biológicas e da Saúde, Universidade Federal de Mato Grosso do Sul, Av. Costa e Silva, S/No, Cidade Universitária, Campo Grande, Brazil.
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Perez CJ, Dumas A, Vallières L, Guénet JL, Benavides F. Several classical mouse inbred strains, including DBA/2, NOD/Lt, FVB/N, and SJL/J, carry a putative loss-of-function allele of Gpr84. J Hered 2013; 104:565-71. [PMID: 23616478 DOI: 10.1093/jhered/est023] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
G protein-coupled receptor 84 (GPR84) is a 7-transmembrane protein expressed on myeloid cells that can bind to medium-chain free fatty acids in vitro. Here, we report the discovery of a 2-bp frameshift deletion in the second exon of the Gpr84 gene in several classical mouse inbred strains. This deletion generates a premature stop codon predicted to result in a truncated protein lacking the transmembrane domains 4-7. We sequenced Gpr84 exon 2 from 58 strains representing different groups in the mouse family tree and found that 14 strains are homozygous for the deletion. Some of these strains are DBA/1J, DBA/2J, FVB/NJ, LG/J, MRL/MpJ, NOD/LtJ, and SJL/J. However, the deletion was not found in any of the wild-derived inbred strains analyzed. Haplotype analysis suggested that the deletion originates from a unique mutation event that occurred more than 100 years ago, preceding the development of the first inbred strain (DBA), from a Mus musculus domesticus source. As GPR84 ostensibly plays a role in the biology of myeloid cells, it could be relevant 1) to consider the existence of this Gpr84 nonsense mutation in several mouse strains when choosing a mouse model to study immune processes and 2) to consider reevaluating data obtained using such strains.
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Affiliation(s)
- Carlos J Perez
- e Department of Molecular Carcinogenesis, The University of Texas M. D. Anderson Cancer Center, Smithville, TX, USA
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