Search Results - "Harshbarger, John C"

Trends in Liver and Skin Tumor Prevalence in Brown Bullhead (Ameiurus nebulosus) from the Anacostia River, Washington, DC, and Nearby Waters by Pinkney, Alfred E., Harshbarger, John C., Rutter, Michael A., Sakaris, Peter C.

“…The prevalence of liver and skin tumors in brown bullhead (Ameiurus nebulosus) from the Anacostia River (Washington, DC) and nearby areas was determined in…”
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Diagnostic criteria for degenerative, inflammatory, proliferative nonneoplastic and neoplastic liver lesions in medaka (Oryzias latipes): consensus of a National Toxicology Program Pathology Working Group by Boorman, G A, Botts, S, Bunton, T E, Fournie, J W, Harshbarger, J C, Hawkins, W E, Hinton, D E, Jokinen, M P, Okihiro, M S, Wolfe, M J

“…Diagnostic criteria are presented for degenerative, inflammatory, nonneoplastic proliferative, and neoplastic lesions in the liver of medaka (Oryzias latipes),…”
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Tumor prevalence and biomarkers of genotoxicity in brown bullhead ( Ameiurus nebulosus) in Chesapeake Bay tributaries by Pinkney, Alfred E., Harshbarger, John C., Karouna-Renier, Natalie K., Jenko, Kathryn, Balk, Lennart, Skarphéðinsdóttir, Halldóra, Liewenborg, Birgitta, Rutter, Michael A.

“…We surveyed four Chesapeake Bay tributaries for skin and liver tumors in brown bullhead ( Ameiurus nebulosus). We focused on the South River, where the highest…”
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Tumors in Brown Bullheads in the Chesapeake Bay Watershed: Analysis of Survey Data from 1992 through 2006 by Pinkney, Alfred E., Harshbarger, John C., Rutter, Michael A.

“…Liver and skin tumor prevalences in brown bullheads Ameiurus nebulosus have been used in the North American Great Lakes to designate highly contaminated areas…”
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Cutaneous mastocytomas in the neotenic caudate amphibians Ambystoma mexicanum (axolotl) and Ambystoma tigrinum (tiger salamander) by HARSHBARGER, J. C, SING CHEN CHANG, DELANNEY, L. E, ROSE, F. L, GREEN, D. E

“…Spontaneous mastocytomas studied in 18 axolotls (Ambystoma mexicanum) and six tiger salamanders (Ambystoma tigrinum) were gray-white, uni- to multilobular…”
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Tumor prevalence and biomarkers of exposure and response in brown bullhead (Ameiurus nebulosus) from the Anacostia River, Washington, DC and Tuckahoe River, Maryland, USA by Pinkney, Alfred E., Harshbarger, John C., May, Eric B., Reichert, William L.

“…We valuated liver and skin tumor prevalence and biomarkers of exposure and response in brown bullhead (Ameiurus nebulosus) from three locations in the…”
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Health of lake whitefish (Coregonus clupeaformis) with elevated tissue levels of environmental contaminants by Mikaelian, Igor, De Lafontaine, Yves, Harshbarger, John C., Lee, Lucy L. J., Martineau, Daniel

“…Lake whitefish (Coregonus clupeaformis) were collected in 1996 from the St. Lawrence River, Quebec, Canada. Histologic examination was performed on major…”
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Germinoma in razor clam Ensis arcuatus (Jeffreys, 1865) in Galicia (NW Spain) by Darriba, Susana, Iglesias, David, Harshbarger, John C., López, Carmen

“…Germinoma is a gonadal neoplasm originating from progenitor cells in germinal epithelium. Over the last four decades it has been diagnosed in several species…”
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Ethylnitrosourea Induces Neoplasia in Zebrafish (Danio rerio) by Beckwith, Lee G, Moore, Jessica L, Tsao-Wu, Gladys S, Harshbarger, John C, Cheng, Keith C

“…The zebrafish (Danio rerio) has been successfully used to discover hundreds of genes involved in development and organogenesis. To address the potential of…”
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Tumor Prevalence in Mummichogs from the Delaware Estuary Watershed by Pinkney, Alfred E., Harshbarger, John C.

“…Mummichogs Fundulus heteroclitus were collected in 2002–2004 from six locations within the Delaware Estuary watershed and examined histopathologically. The…”
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Tumor prevalence and biomarkers of exposure in brown bullheads (Ameiurus nebulosus) from the tidal Potomac River, USA, watershed by Pinkney, Alfred E., Harshbarger, John C., May, Eric B., Melancon, Mark J.

“…Associations between contaminant exposure and liver and skin tumor prevalence were evaluated in brown bullheads (Ameiurus nebulosus) from the tidal Potomac…”
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Decline in Liver Neoplasms in Wild Brown Bullhead Catfish after Coking Plant Closes and Environmental PAHs Plummet by Baumann, Paul C., Harshbarger, John C.

“…Polycyclic aromatic hydrocarbons (PAHs) in both sediment and brown bullhead catfish tissues from the Black River in Lorain County, Ohio, declined by 65% and…”
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Long term trends in liver neoplasm epizootics of brown bullhead in the Black River, Ohio by BAUMANN, P. C, HARSHBARGER, J. C

“…Since 1980, liver neoplasms in brown bullhead and polynuclear aromatic hydrocarbons (PAH) in sediment have been researched in a series of studies on the Black…”
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Morphometry of Hepatic Neoplasms and Altered Foci in the Mummichog, Fundulus heteroclitus by Stine, Cynthia B., Smith, David L., Vogelbein, Wolfgang K., Harshbarger, John C., Gudla, Prabhakar R., Lipsky, Michael M., Kane, Andrew S.

“…The goal of this study was to intensively sample a small number of livers from a population of mummichog exposed to PAH-contaminated sediments and evaluate…”
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MNU Induction of Neoplasia in a Platyfish Model by Kazianis, Steven, Gimenez-Conti, Irma, Setlow, Richard B, Woodhead, Avril D, Harshbarger, John C, Trono, David, Ledesma, Mark, Nairn, Rodney S, Walter, Ronald B

“…Interspecific hybrid crosses between members of the fish genus Xiphophorus have been used for over 70 years to study the genetic aspects of melanoma formation…”
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Lesser known aquarium fish tumor models by Harshbarger, J C, Slatick, M S

“…The repeated use of particular species for experimental oncology in fish increases their future value by accumulating background information for these models…”
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TUMOR PREVALENCE AND BIOMARKERS OF EXPOSURE IN BROWN BULLHEADS (AMEIURUS NEBULOSUS) FROM THE TIDAL POTOMAC RIVER, USA, WATERSHED by Pinkney, Alfred E., Harshbarger, John C., May, Eric B., Melancon, Mark J.

“…Associations between contaminant exposure and liver and skin tumor prevalence were evaluated in brown bullheads (Ameiurus nebulosus) from the tidal Potomac…”
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A proposed classification scheme for Xiphophorus melanomas based on histopathologic analyses by Gimenez-Conti, I, Woodhead, A D, Harshbarger, J C, Kazianis, S, Setlow, R B, Nairn, R S, Walter, R B

“…We studied the histopathologic characteristics of melanomas induced in the Xiphophorus model. This fish model has been used for several decades to study the…”
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Association of Prokaryotes with Symptomatic Appearance of Withering Syndrome in Black Abalone Haliotis cracherodii by Gardner, George R, Harshbarger, John C, Lake, James L, Sawyer, Thomas K, Price, Kathy L, Stephenson, Mark D, Haaker, Peter L, Togstad, Heidi A

“…Withering syndrome (WS) is an epizootic fatal wasting disease that is devastating California Channel Island populations of block abalone Haliotis cracherodii…”
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Histological Assessment of Goiters in Elasmobranch Fishes by Crow, Gerald L., Luer, William H., Harshbarger, John C.

“…Twelve thyroid glands from free‐living (n = 3) and captive (n = 9) elasmobranch fishes were investigated. Histological observation of the thyroids revealed two…”
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