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Shank AMM, Teixeria LBC, Dubielzig RR. Canine, feline, and equine corneal vascular neoplasia: A retrospective study (2007-2015). Vet Ophthalmol 2018; 22:76-87. [DOI: 10.1111/vop.12571] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Alba Maria M. Shank
- Department of Anatomic Pathology; University of Wisconsin Madison; Madison WI USA
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2
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Strong TD, Tangeman S, Ben-Shlomo G, Haynes J, Allbaugh RA. Corneal fibrosarcoma in a cat. Vet Ophthalmol 2016; 19 Suppl 1:131-135. [DOI: 10.1111/vop.12354] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Travis D. Strong
- Department of Veterinary Clinical Sciences; Iowa State University College of Veterinary Medicine; 1600 S. 16th St Ames IA 50011 USA
| | - Sarah Tangeman
- Department of Veterinary Clinical Sciences; Iowa State University College of Veterinary Medicine; 1600 S. 16th St Ames IA 50011 USA
| | - Gil Ben-Shlomo
- Department of Veterinary Clinical Sciences; Iowa State University College of Veterinary Medicine; 1600 S. 16th St Ames IA 50011 USA
| | - Joseph Haynes
- Department of Veterinary Pathology; Iowa State University College of Veterinary Medicine; 1600 S. 16th St Ames IA 50011 USA
| | - Rachel A. Allbaugh
- Department of Veterinary Clinical Sciences; Iowa State University College of Veterinary Medicine; 1600 S. 16th St Ames IA 50011 USA
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3
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Rivas AE, Mitchell MA, Flower J, Welle KR, Whittington JK. Effects of Ultraviolet Radiation on Serum 25-Hydroxyvitamin D Concentrations in Captive Chinchillas (Chinchilla laniger). J Exot Pet Med 2014. [DOI: 10.1053/j.jepm.2014.05.012] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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4
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Perlmann E, da Silva EG, Guedes PM, de Moraes Barros PS. Co-existing squamous cell carcinoma and hemangioma on the ocular surface of a cat. Vet Ophthalmol 2010; 13:63-6. [DOI: 10.1111/j.1463-5224.2009.00760.x] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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5
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Green WB, McGuire PG, Miska KB, Kusewitt DF. Urokinase Activity in Corneal Fibroblasts may be Modulated by DNA Damage and Secreted Proteins¶. Photochem Photobiol 2007. [DOI: 10.1562/0031-8655(2001)0730318uaicfm2.0.co2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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6
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Gearhart PM, Steficek BA, Peteresen-Jones SM. Hemangiosarcoma and squamous cell carcinoma in the third eyelid of a horse. Vet Ophthalmol 2007; 10:121-6. [PMID: 17324168 DOI: 10.1111/j.1463-5224.2007.00510.x] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A 12-year-old Belgian draft horse presented for a right eye third eyelid mass and red-tinged ocular discharge of 3 months' duration. The third eyelid was excised and submitted for histopathology. On histopathologic examination, the mass was composed of both hemangiosarcoma and squamous cell carcinoma. The horse developed thickened eyelids and hemorrhagic ocular discharge from the right eye approximately 16 months following surgery, and was euthanized. Necropsy and histopathology confirmed local recurrence and regional metastasis of the hemangiosarcoma. This was an unusual case because there were two distinct neoplastic processes composing the same mass that could not be differentiated grossly.
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Affiliation(s)
- Patricia M Gearhart
- Department of Small Animal Clinical Sciences, College of Veterinary Medicine, Michigan State University, D-208 Veterinary Medical Center, East Lansing, MI 48824-1314, USA.
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7
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Samollow PB. Status and applications of genomic resources for the gray, short-tailed opossum, Monodelphis domestica, an American marsupial model for comparative biology. AUST J ZOOL 2006. [DOI: 10.1071/zo05059] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Owing to its small size, favourable reproductive characteristics, and simple husbandry, the gray, short-tailed opossum, Monodelphis domestica, has become the most widely distributed and intensively utilised laboratory-bred research marsupial in the world today. This article provides an overview of the current state and future projections of genomic resources for this species and discusses the potential impact of this growing resource base on active research areas that use M. domestica as a model system. The resources discussed include: fully arrayed, bacterial artificial chromosome (BAC) libraries; an expanding linkage map; developing full-genome BAC-contig and chromosomal fluorescence in situ hybridisation maps; public websites providing access to the M. domestica whole-genome-shotgun sequence trace database and the whole-genome sequence assembly; and a new project underway to create an expressed-sequence database and microchip expression arrays for functional genomics applications. Major research areas discussed span a variety of genetic, evolutionary, physiologic, reproductive, developmental, and behavioural topics, including: comparative immunogenetics; genomic imprinting; reproductive biology; neurobiology; photobiology and carcinogenesis; genetics of lipoprotein metabolism; developmental and behavioural endocrinology; sexual differentiation and development; embryonic and fetal development; meiotic recombination; genome evolution; molecular evolution and phylogenetics; and more.
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Green WB, McGuire PG, Miska KB, Kusewitt DF. Urokinase activity in corneal fibroblasts may be modulated by DNA damage and secreted proteins. Photochem Photobiol 2001; 73:318-23. [PMID: 11281030 DOI: 10.1562/0031-8655(2001)073<0318:uaicfm>2.0.co;2] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Proteases like urokinase-type plasminogen activator (uPA) play an important role in tumor invasion. Cells derived from ultraviolet radiation (UVR)-induced corneal sarcomas of Monodelphis domestica produce relatively high levels of uPA compared to the untransformed keratocytes suggesting a mechanism for their invasiveness. Because UVR is known to stimulate uPA production in many cell types, UVR exposure may further increase uPA expression in corneal tumor cells, thus enhancing their ability to infiltrate. We investigated control of basal uPA levels and the induction of uPA by UVR in transformed and untransformed corneal keratocytes from Monodelphis. These studies took advantage of the fact that Monodelphis possesses an active photolyase that can be stimulated to remove UVR-induced pyrimidine dimers by exposure to long-wavelength visible photoreactivating light (PRL). Our studies showed that significant induction of uPA occurred in response to 200 J/m2 UVR. This induction was partially blocked by treatment with PRL, indicating that DNA damage, the pyrimidine dimer in particular, played a role in uPA induction. In untransformed cultured corneal fibroblasts, the heparin-binding protein inhibitor, suramin, reduced basal uPA levels, UVR-induced uPA production and cell proliferation. Basic fibroblast growth factor, a heparin-binding growth factor known to be UVR-inducible in mesenchymal cells, stimulated uPA production and cell proliferation; however, anti-bFGF antibodies did not significantly decrease proliferation or basal uPA production. These findings suggested that basal levels of uPA secretion were modulated in response to heparin-binding growth factors and that these growth factors may also have mediated the effect of UVR on uPA levels.
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Affiliation(s)
- W B Green
- Department of Cell Biology and Physiology, School of Medicine, University of New Mexico, Albuquerque, NM, USA
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Ley RD, Miska KB, Kusewitt DF. Photoreactivation of ultraviolet radiation-induced basic fibroblast growth factor (bFGF) and the role of bFGF in corneal lesion formation in Monodelphis domestica. ENVIRONMENTAL AND MOLECULAR MUTAGENESIS 2001; 38:175-179. [PMID: 11746752 DOI: 10.1002/em.1069] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
Chronic ultraviolet radiation (UVR) exposure to the eyes of Monodelphis domestica causes corneal opacification, neovascularization, and fibrosarcoma induction. By immunohistochemistry and Western blotting, we have shown that one to four exposures of the eyes of this opossum to UVR enhances basic fibroblast growth factor (bFGF) expression by the corneal epithelium. Treatment with photoreactivating light, which selectively removes UVR-induced pyrimidine dimers, suppresses bFGF induction, indicating that UVR induction of bFGF is ultimately due to DNA damage. Furthermore, UVR-induced corneal tumors derived from corneal keratocytes express bFGF mRNA and protein, as determined by immunohistochemistry and in situ hybridization. Taken together, these findings suggest that bFGF acts in both an autocrine and a paracrine manner to stimulate corneal fibroplasia, neovascularization, and tumor development.
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Affiliation(s)
- R D Ley
- Department of Cell Biology and Physiology and the Cancer Research and Treatment Center, University of New Mexico, Albuquerque, New Mexico 87131, USA.
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Kusewitt DF, Hubbard GB, Warbritton AR, McLeskey SW, Miska KB, Henkel RD, Robinson ES. Cellular origins of ultraviolet radiation-induced corneal tumours in the grey, short-tailed South American opossum (Monodelphis domestica). J Comp Pathol 2000; 123:88-95. [PMID: 11032660 DOI: 10.1053/jcpa.2000.0390] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Corneal tumours were induced in almost 100% of grey, short-tailed South American opossums (Monodelphis domestica) exposed three times weekly to ultraviolet radiation (UVR) for periods of a year or more. Five tumours, representing the morphological spectrum of UVR-induced corneal tumours (two fibrosarcomas, one malignant fibrous histiocytoma, one putative haemangiosarcoma, and one squamous cell carcinoma overlying a sarcoma), were assayed immunohistochemically for reactivity with antibodies against the intermediate filaments vimentin, smooth muscle actin (alpha isoform), muscle-specific actins (alpha and gamma isoforms), desmin and cytokeratin, and with antibodies against the vascular endothelial marker von Willebrand factor. The squamous cell carcinoma was cytokeratin-positive. Other tumours were cytokeratin-negative and vimentin-positive. Three tumours had scattered individual cells and groups of cells immunoreactive with antibodies against smooth muscle actin and muscle-specific actins; two tumours (a fibrosarcoma and the malignant fibrous histiocytoma) had small numbers of desmin-positive cells. The putative haemangiosarcoma contained two populations of neoplastic cells, von Willebrand factor-positive vascular endothelial cells and smooth muscle actin-positive spindle cells. It was concluded (1) that UVR-induced corneal tumours may be composed of cells derived from resident epithelial cells, immigrant vascular endothelial cells, or fibroblast-like cells of unknown origin, and (2) that such tumours may contain more than one neoplastic cell type.
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MESH Headings
- Actins/analysis
- Animals
- Carcinoma, Squamous Cell/etiology
- Carcinoma, Squamous Cell/metabolism
- Carcinoma, Squamous Cell/pathology
- Cornea/chemistry
- Cornea/pathology
- Cornea/radiation effects
- Desmin/analysis
- Eye Neoplasms/etiology
- Eye Neoplasms/metabolism
- Eye Neoplasms/pathology
- Female
- Fibrosarcoma/etiology
- Fibrosarcoma/metabolism
- Fibrosarcoma/pathology
- Hemangiosarcoma/etiology
- Hemangiosarcoma/metabolism
- Hemangiosarcoma/pathology
- Histiocytoma, Benign Fibrous/etiology
- Histiocytoma, Benign Fibrous/metabolism
- Histiocytoma, Benign Fibrous/pathology
- Immunohistochemistry
- Keratins/analysis
- Male
- Muscle, Smooth/chemistry
- Opossums
- Radiation Injuries, Experimental/etiology
- Radiation Injuries, Experimental/metabolism
- Radiation Injuries, Experimental/pathology
- Ultraviolet Rays/adverse effects
- Vimentin/analysis
- von Willebrand Factor/analysis
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Affiliation(s)
- D F Kusewitt
- Department of Cell Biology and Physiology, University of New Mexico, Albuquerque, NM 87131-5218, USA
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Ley RD, Reeve VE, Kusewitt DF. Photobiology of Monodelphis domestica. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2000; 24:503-516. [PMID: 10785275 DOI: 10.1016/s0145-305x(00)00013-6] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
The gray, short-tailed opossum, Monodelphis domestica, has been used for photobiologic studies since 1984. The presence of a light-activated DNA repair pathway in the tissues of Monodelphis has been used to identify pyrimidine dimers in DNA as initiating events for a number of ultraviolet radiation (UVR)-induced pathologies of the skin and cornea. Furthermore, Monodelphis, unlike common laboratory rodents, is susceptible to the induction of melanoma by UVR alone.
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Affiliation(s)
- R D Ley
- Department of Cell Biology and Physiology and the Cancer Research and Treatment Center, University of New Mexico Health Sciences Center, Albuquerque, NM 87131, USA
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12
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Kusewitt DF, Preble NE, Bonnett CD. Photoreactivation does not alterras andp53 mutation spectra in ultraviolet radiation-induced corneal sarcomas ofMonodelphis domestica. Mol Carcinog 2000. [DOI: 10.1002/(sici)1098-2744(200002)27:2<117::aid-mc7>3.0.co;2-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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13
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Kusewitt DF, Gale JM, Sherburn TE, Tafoya GB, Ley RD. H-ras oncogene activation in invasive UVR-induced corneal sarcomas of the opossum Monodelphis domestica. DNA Cell Biol 1997; 16:1217-22. [PMID: 9364932 DOI: 10.1089/dna.1997.16.1217] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
Chronic exposure to ultraviolet radiation (UVR) induces corneal sarcomas in the South American opossum Monodelphis domestica. Cell lines are readily established from these tumors. Northern blotting of mRNA from six such cell lines revealed high expression of the H-ras oncogene. H-ras cDNA from an eye tumor cell line was cloned and characterized; the germline sequence of codons 12, 13, and 61 was confirmed by examination of H-ras sequences amplified from liver DNA by the polymerase chain reaction. The Monodelphis H-ras coding sequence is 84-89% identical to that of other vertebrates at the nucleotide level, and the predicted 189-amino-acid sequence differs by 2-12 amino acids from that of other vertebrates. Analysis of 12 primary invasive corneal sarcomas induced by chronic UVR exposure revealed no evidence of H-ras gene amplification or rearrangement. One tumor was heterozygous for an activating point mutation in codon 61 of the H-ras gene; the tumor was also homozygous for a point mutation at an adjacent site in codon 62. These results provide additional evidence for the functional importance and consequent evolutionary conservation of the ras oncogenes.
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MESH Headings
- Amino Acid Sequence
- Animals
- Base Sequence
- Cell Line
- Cloning, Molecular
- Codon/genetics
- Corneal Diseases/genetics
- DNA, Complementary/genetics
- DNA, Neoplasm/genetics
- Eye Neoplasms/genetics
- Gene Dosage
- Gene Expression Regulation, Neoplastic/genetics
- Genes, ras/genetics
- Genetic Variation/genetics
- Molecular Sequence Data
- Opossums
- Point Mutation/genetics
- RNA, Messenger/analysis
- RNA, Neoplasm/analysis
- Sarcoma, Experimental/genetics
- Sequence Analysis, DNA
- Sequence Homology, Amino Acid
- Sequence Homology, Nucleic Acid
- Ultraviolet Rays
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Affiliation(s)
- D F Kusewitt
- Lovelace Respiratory Research Institute, Albuquerque, NM 87108, USA
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Estil S, Olsen WM, Huitfeldt HS, Haaskjold E. UVB-induced formation of (6-4) photoproducts in the rat corneal epithelium. ACTA OPHTHALMOLOGICA SCANDINAVICA 1997; 75:120-3. [PMID: 9197553 DOI: 10.1111/j.1600-0420.1997.tb00104.x] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
The induction of DNA photoproducts in rat corneal epithelium was studied after in vivo exposure to different doses of ultraviolet B light at 297 nm. Affinity-purified antibodies with a major specificity against UV-induced (6-4) photoproducts were used. The results indicate a dose dependent formation of (6-4) photoproducts. Even a minimal erythema dose (25 mJ/cm2) produced (6-4) photoproducts, demonstrating that DNA damage occurs in corneal tissue following exposure to biologically relevant doses of UVB light.
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Affiliation(s)
- S Estil
- Department of Ophthalmology, University of Oslo, Rikshospitalet, Norway
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15
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Kusewitt DF, Sabourin CL, Budge CL, Sherburn TE, Ley RD. Characterization of cDNA encoding basic fibroblast growth factor of the marsupial Monodelphis domestica. DNA Cell Biol 1994; 13:549-54. [PMID: 8024698 DOI: 10.1089/dna.1994.13.549] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023] Open
Abstract
We have isolated and characterized a 1,593-bp cDNA containing the coding region of the basic fibroblast growth factor (BFGF) gene of a marsupial, the opossum Monodelphis domestica. The encoded protein is 156 amino acids long. The BFGF gene of M. domestica is 82-87% identical to the BFGF genes of placental mammals at the nucleotide level and 92-93% identical to these genes at the level of the amino acids encoded. Regions of the BFGF molecule important in heparin binding, high-affinity receptor binding, and biologic function are highly conserved between placental mammals and this marsupial. There are several AUG and CUG codons in the 5' region of the marsupial cDNA that may serve as alternate sites of translation initiation; use of these sites would produce amino-terminally extended BFGF proteins. Amino-terminal extensions of BFGF in other species serve as nuclear localization signals. Conserved A+T-rich motifs in the 3' untranslated region of the marsupial mRNA probably serve to regulate mRNA stability. The high degree of evolutionary conservation of BFGF in mammals suggests that the molecule plays an important role in normal growth and development and that stringent control of its activity is essential.
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Affiliation(s)
- D F Kusewitt
- Center for Photomedicine, Lovelace Institutes, Albuquerque, NM 87108
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