Experimental Field Studies withMya arenaria(Bivalvia) on the Induction and Effect of Hematopoietic Neoplasia

Weinberg, James; Leavitt, Dale F.; Lancaster, Bruce A.; Capuzzo, Judith M.

doi:10.1006/jipa.1996.4641

Cited by 23 publications

(21 citation statements)

References 24 publications

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“…Neoplastic cells appear to replace both normal hemocytes and other non-circulating cells in the terminal stage of the disease (Peters, 1988;Elston et al, 1992). DN has proven to be transmissible between individuals in different bivalve species (Sunila, 1994;Weinberg et al, 1997;Collins and Mulcahy, 2003;Walker et al, 2009), which indicates that an infective agent, probably a retrovirus, could be involved (Oprandy et al, 1981;Oprandy and Chang, 1983;House et al, 1998;Romalde et al, 2007;AboElkhair et al, 2009a).…”

Section: Introductionmentioning

confidence: 98%

Prevalence, intensity, and aneuploidy patterns of disseminated neoplasia in cockles (Cerastoderma edule) from Arcachon Bay: Seasonal variation and position in sediment

Grand

Kraffe

Montaudouin

et al. 2010

Journal of Invertebrate Pathology

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Section: Introductionmentioning

confidence: 98%

Prevalence, intensity, and aneuploidy patterns of disseminated neoplasia in cockles (Cerastoderma edule) from Arcachon Bay: Seasonal variation and position in sediment

Grand

Kraffe

Montaudouin

et al. 2010

Journal of Invertebrate Pathology

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“…First of all, DN has proven to be transmissible between individuals in diVerent bivalve species including mussel, soft-shell clam and cockle (Collins and Mulcahy, 2003;Elston et al, 1988;Kent et al, 1991;Sunila, 1994;Twomey and Mulcahy, 1988b;Weinberg et al, 1997) indicating that an infective agent could be involved. To our knowledge, few works described viral agents associated with this disorder.…”

Section: Introductionmentioning

confidence: 99%

Evidence of retroviral etiology for disseminated neoplasia in cockles (Cerastoderma edule)

Romalde

Vilariño

Beaz

et al. 2007

Journal of Invertebrate Pathology

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“…Variations in reproductive output of bivalve molluscs are highly sensitive to environmental perturbations (Weinberg et al 1997). In particular, accumulated contaminants in bivalves could deplete energy reserves that were initially intended for growth and reproduction (Capuzzo et al 1988).…”

Section: Interaction Of Accumulated Trace Elements With the Reproductmentioning

confidence: 99%

Enhanced trace element concentrations in tissues of the clam <em>Ruditapes decussatus</em> transplanted to areas influenced by human activities (Ria Formosa, Portugal)

et al. 2017

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Summary:To examine the extent to which human activities near the Ria Formosa coastal lagoon influence the accumulation of trace elements (TE) in Ruditapes decussatus, individuals were transplanted from a natural bank located in the lower lagoon to three sites located in clam growth grounds under the influence of a small city (Faro), a fish farming centre (Olhão) and a site near the lagoon inlet (Lavajo). Concentrations were determined in substrate of the clam grounds and in the digestive gland, gills, mantle plus siphons, and remaining tissues of clams in four periods of the year. These measurements were accomplished with the monthly survey of the gametogenic stages, condition index, proteins, glycogen, total lipids, pH and osmolarity of hemolymph. Arsenic, Cu, Mn, V, Cr and Pb were preferentially linked to the digestive gland, while Cd was linked to the gills. TE concentrations in the digestive gland and remaining tissues were higher in winter, most likely reflecting additional inputs associated with rain. The lack of disruptions in biological parameters and the prolonged period of spawning and gonad recovery in clams suggest that the current TE availability in the lagoon has a minor influence on the reproductive cycle and hence on clam production. Keywords: trace elements; biological parameters; Ruditapes decussatus; Ria Formosa. Aumento de la concentración de elementos traza en tejidos de la almeja Ruditapes decussatus trasplantada a zonas influenciadas por actividades humanas (ría Formosa, Portugal)Resumen: Para examinar en qué medida las actividades humanas cercanas a la laguna costera ría Formosa influyen en la acumulación de elementos traza (ET) en Ruditapes decussatus, se trasplantaron individuos desde un banco natural situado en la parte baja de la laguna a tres sitios localizados en zonas de cultivo de almejas bajo la influencia de una ciudad pequeña (Faro), un centro piscícola (Olhão) y cerca de la entrada de una laguna (Lavajo). Se determinaron las concentraciones de ET en el substrato de locales y en la glándula digestiva, branquias, manto más sifones, y en los tejidos restantes de las almejas en cuatro períodos a lo largo de un año. Estas mediciones fueron realizadas con el estudio mensual de las etapas gametógenas, índice de condición, proteínas, glicóneo, lípidos totales, pH y osmolaridad de la hemolinfa. El As, Cu, Mn, V, Cr y Pb fueron relacionados preferencialmente a la glándula digestiva, mientras que el Cd fue a las branquias. La concentración de ET en la glándula digestiva y los tejidos restantes fue más elevada en invierno, probablemente reflejando los aportes adicionales asociados con la lluvia. La falta de alteraciones de los parámetros biológicos, el período prolongado de desove y la recuperación de las gónadas en las almejas sugieren que la disponibilidad actual de ET en la laguna tienen una influencia menor durante el ciclo reproductivo y, por lo tanto, en la producción de almejas.

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Experimental Field Studies withMya arenaria(Bivalvia) on the Induction and Effect of Hematopoietic Neoplasia

Cited by 23 publications

References 24 publications

Prevalence, intensity, and aneuploidy patterns of disseminated neoplasia in cockles (Cerastoderma edule) from Arcachon Bay: Seasonal variation and position in sediment

Prevalence, intensity, and aneuploidy patterns of disseminated neoplasia in cockles (Cerastoderma edule) from Arcachon Bay: Seasonal variation and position in sediment

Evidence of retroviral etiology for disseminated neoplasia in cockles (Cerastoderma edule)

Enhanced trace element concentrations in tissues of the clam <em>Ruditapes decussatus</em> transplanted to areas influenced by human activities (Ria Formosa, Portugal)

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