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A comparative study was carried out on common and agile frogs ( and ) naturally infected with ranid herpesvirus 3 (RaHV3) and common toads () naturally infected with bufonid herpesvirus 1 (BfHV1) to investigate common pathogenetic pathways and molecular mechanisms based on macroscopic, microscopic, and ultrastructural pathology as well as evaluation of gene expression. Careful examination of the tissue changes, supported by in situ hybridization, at different stages of development in 6 frogs and 14 toads revealed that the skin lesions are likely transient, and part of a tissue cycle necessary for viral replication in the infected hosts. Transcriptomic analysis, carried out on 2 naturally infected and 2 naïve common frogs () and 2 naturally infected and 2 naïve common toads (), revealed altered expression of genes involved in signaling and cell remodeling in diseased animals.
View Article and Find Full Text PDFHERPESVIRUS-ASSOCIATED GENITAL LESIONS IN A STRANDED STRIPED DOLPHIN (STENELLA COERULEOALBA) IN THE CANARY ISLANDS, SPAIN.
J Wildl Dis
July 2015
1 Department of Veterinary Pathology, Institute for Animal Health, Veterinary School, Universidad de Las Palmas de Gran Canaria, Trasmontaña S/N, 35416, Arucas, Las Palmas, Spain.
An adult male striped dolphin (Stenella coeruleoalba) stranded alive at Arico, Tenerife, Canary Islands, Spain. The dolphin died shortly after stranding, and a complete postmortem examination was performed. The most remarkable gross findings were two fleshy masses of approximately 1 cm diameter, near the tip of the penis.
View Article and Find Full Text PDFHerpesvirus dermatitis in two cats without facial lesions.
Vet Dermatol
April 2012
Department of Pathobiology, School of Veterinary Medicine, University of Pennsylvania, 3800 Spruce Street, Philadelphia, PA 19104, USA.
Background: Cats with feline herpesvirus (FeHV-1)-associated dermatitis typically present with ulcerative lesions on the rostral muzzle and nasal planum. This report describes FeHV-1 dermatitis in the flank region, in the absence of facial lesions.
Hypothesis/objectives: Clinicians should be aware of this unusual manifestation of FeHV-1 dermatitis to prevent potential misdiagnosis.
Comparative pathology and pathogenesis of spontaneous and experimentally induced fibropapillomas of green turtles (Chelonia mydas).
Vet Pathol
November 1999
Department of Pathology, Albert Einstein College of Medicine, Bronx, NY 10461, USA.
Tumor biopsy samples from 25 Floridian and 15 Hawaiian green turtles (Chelonia mydas) with spontaneous green turtle fibropapillomatosis (GTFP) and from 27 captive-reared green turtles with experimentally induced GTFP were examined microscopically to differentiate the histologic features that result from GTFP pathogenesis and those that result from incidental factors that may vary according to geographic region. Common histologic features for spontaneous and experimentally induced tumors included fibroblast proliferation in the superficial dermis, epidermal acanthosis and hyperkeratosis, epidermal basal cell degeneration with dermal-epidermal cleft formation, spinous layer degeneration with intraepidermal vesicle and pustule formation, and ulceration. Visceral tumors, found in eight of 10 (80%) free-ranging turtles with cutaneous disease that were examined after death, had extensive interstitial fibrous proliferation.
View Article and Find Full Text PDFHerpesvirus-associated papillomas in koi carp (Cyprinus carpio).
J Zoo Wildl Med
March 1999
Wildlife Health Sciences, Wildlife Conservation Society, Bronx, New York 10460-1099, USA.
From January through November 1994, 32% (7/22) of koi carp (Cyprinus carpio) maintained in indoor aquariums developed proliferative cutaneous lesions that consisted of single to multiple 2-10-mm whitish to pink fleshy masses usually associated with fin rays. Although scaleless koi were more commonly affected (3/6) than were normally scaled koi (4/16), the difference in incidence rates was not significant (chi2 text, P > 0.05).
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