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International Journal on Algae

Publicou 4 edições por ano

ISSN Imprimir: 1521-9429

ISSN On-line: 1940-4328

SJR: 0.168 SNIP: 0.377 CiteScore™:: 0.6 H-Index: 11

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Effect of Nostoc muscorum Ag. ex Born. et Flah. toxins on the upper respiratory tract of mice

Volume 10, Edição 1, 2008, pp. 34-41
DOI: 10.1615/InterJAlgae.v10.i1.30
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RESUMO

Intraperitonial administration of 10 μL of Nostoc muscorum Ag. ex Born. et Flah. crude extract was sufficient enough for the death of male AKR strain mice at 4 h of exposure. Body weight, behavioral and histological observations (necrosis of hepatic cells), and biochemical tests (protein phosphatase inhibition) indicated for the presence of microcystines in the crude extract. Since the cyanobacterium was airborne, the very doses were also administered intranasally into mice. A dose of 10 μL of the crude extract resulted in severe morphological alterations of nasal mucosa at 6 h of exposures, but not beyond the nasal cavity. The presence of protein phosphatases 1 and 2A in the tracheal tissues confirmed the susceptibility of the upper respiratory tissues against microcystins. However, due to the deposition of an insufficient amount of toxins post-nasal cavity respiratory tissues exhibited no response. This lack of a response indicated that the route of exposure plays an important role in conferring toxicity.

CITADO POR
  1. Sharma N.K., Rai A.K., Algal Particles in the Atmosphere, in Encyclopedia of Environmental Health, 2011. Crossref

  2. Sharma N.K., Rai A.K., Algal Particles in the Atmosphere II☆, in Reference Module in Earth Systems and Environmental Sciences, 2017. Crossref

  3. Kamble Apurva Kapil., Pandkar Jogita Tushar, Enlisting Aero-algal Flora and Algal Allergens Using Fan Dust Sampling Method from Pune, Maharashtra, Biosciences Biotechnology Research Asia, 18, 4, 2021. Crossref

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