Tissue damage after acute intoxication by polychlorinated biphenyls in cockroaches.

S. Lambiase, Y. Zhang, P. Morbini, M. Fasola, G. Bernocchi, E. Roda, A. Grigolo

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

It is common knowledge that polychlorinated biphenyls (PCBs) represent a serious threat to the health of both vertebrates and invertebrates. As far as the former are concerned, especially as regards human beings, a broad literature describes the direct and indirect effects induced by the PCBs on their systems and organs. Among invertebrates, the information available is mostly related to arthropods and is, however, very scarce. The aim of this work was to evaluate the effects of polychlorinated biphenyls (PCBs) on tissues and organs of individuals belonging to a species of Blattaria (Blattella germanica) treated with various doses of this toxic material. The pathologies found became more serious as the dosage increased and were present throughout the entire digestive system, in the fat body and in the male gonads: in these areas cell and tissue breakdown and severely damaged spermiogenesis were observed. In particular, the testes, Malpighian tubules and fat body accumulated an amorphous basophilic PAS-positive substance. Furthermore, the NOS-dependent NADPH diaphorase activity pattern in the retina and optic lobes was more evident in the treated than in the control insects.

Original languageEnglish
Pages (from-to)189-197
Number of pages9
JournalEuropean journal of histochemistry : EJH
Volume49
Issue number2
Publication statusPublished - Apr 2005

Fingerprint

Cockroaches
Polychlorinated Biphenyls
polychlorinated biphenyls
Blattodea
poisoning
Fat Body
fat body
Invertebrates
invertebrates
Malpighian Tubules
Insect Control
optic lobe
NADPH Dehydrogenase
Digestive System
Blattella germanica
spermiogenesis
Malpighian tubules
Arthropods
insect control
Poisons

ASJC Scopus subject areas

  • Cell Biology
  • Anatomy
  • Animal Science and Zoology
  • Developmental Biology

Cite this

Lambiase, S., Zhang, Y., Morbini, P., Fasola, M., Bernocchi, G., Roda, E., & Grigolo, A. (2005). Tissue damage after acute intoxication by polychlorinated biphenyls in cockroaches. European journal of histochemistry : EJH, 49(2), 189-197.

Tissue damage after acute intoxication by polychlorinated biphenyls in cockroaches. / Lambiase, S.; Zhang, Y.; Morbini, P.; Fasola, M.; Bernocchi, G.; Roda, E.; Grigolo, A.

In: European journal of histochemistry : EJH, Vol. 49, No. 2, 04.2005, p. 189-197.

Research output: Contribution to journalArticle

Lambiase, S, Zhang, Y, Morbini, P, Fasola, M, Bernocchi, G, Roda, E & Grigolo, A 2005, 'Tissue damage after acute intoxication by polychlorinated biphenyls in cockroaches.', European journal of histochemistry : EJH, vol. 49, no. 2, pp. 189-197.
Lambiase, S. ; Zhang, Y. ; Morbini, P. ; Fasola, M. ; Bernocchi, G. ; Roda, E. ; Grigolo, A. / Tissue damage after acute intoxication by polychlorinated biphenyls in cockroaches. In: European journal of histochemistry : EJH. 2005 ; Vol. 49, No. 2. pp. 189-197.
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