Nacionalni inštitut za biologijo in BF, Oddelek za biologijo, Ljubljana (BFBNIB)
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Time-course of the innate immune response of the terrestrial crustacean Porcellio scaber after injection of a single dose of lipopolysaccharide [Elektronski vir]Dolar, Andraž ; Jemec Kokalj, Anita ; Drobne, DamjanaInvertebrates, including crustaceans, rely on cellular and humoral immune responses to protect against extrinsic and intrinsic factors that threaten their integrity. Recently, different immune ... parameters have been increasingly used as biomarkers of effects of pollutants and environmental change. Here, we describe the dynamics of the innate immune response of the terrestrial crustacean Porcellio scaber to injection of a single dose of lipopolysaccharide (LPS), an important molecular surface component of the outer membrane of Gram-negative bacteria. The aim was to provide a basis for interpretation of change in immune parameters as a result of different challenges, including microplastics and nanoplastics exposure. Changes in total and differential numbers of hemocytes, hemocyte viability, and humoral immune parameters (i.e., phenoloxidase-like activity, nitric oxide levels) were assessed at different times (3, 6, 12, 24, 48 h). An injection of 0.5 μg/μL LPS into the body of P. scaber resulted in a rapid decrease (3 h after LPS injection) in the total number of hemocytes and reduced viability of the hemocytes. This was accompanied by changed proportions of the different hemocyte types, as a decrease in the numbers of semigranulocytes and granulocytes, and a marked increase in the numbers of hyalinocytes. In addition, phenoloxidase-like activity and nitric oxide levels in the hemolymph were increased at 3 h and 6 h, respectively, after the LPS challenge. Forty-eight hours after LPS injection, the immune parameters in the hemolymph of P. scaber had returned to those before the LPS challenge. This suggests that the innate immune system successfully protected P. scaber from the deleterious effects of the LPS challenge. These data indicate the need to consider the dynamics of innate immune responses of P. scaber when effects of infections, pollutants, or environmental changes are studied. We also propose an approach to test the immunocompetence of organisms after different challenges in ecotoxicity studies, based on the dynamics of their immune responses.Vir: Frontiers in immunology. - ISSN 1664-3224 (Vol. 13, Apr. 2022, str. 1-14)Vrsta gradiva - e-članekLeto - 2022Jezik - angleškiCOBISS.SI-ID - 106574595
Avtor
Dolar, Andraž |
Jemec Kokalj, Anita |
Drobne, Damjana
Teme
imunski odziv |
Porcellio scaber |
navadni prašiček |
lipopolisaharid |
biologija |
immune response |
pill bug |
lipopolysaccharide |
biology
Avtor | Dolar, Andraž ; Jemec Kokalj, Anita ; Drobne, Damjana |
Naslov | Time-course of the innate immune response of the terrestrial crustacean Porcellio scaber after injection of a single dose of lipopolysaccharide [Elektronski vir] |
Datum objave | 2022-05-03 |
COBISS.SI-ID | 106574595 |
Verzija objave v repozitoriju | Založnikova različica |
Licenca objave v repozitoriju | Creative Commons Priznanje avtorstva 4.0 Mednarodna |
Embargo | Takojšnja javna objava |
Projekti, iz katerih je bila financirana objava
Naziv | Akronim | Številka projekta | Financer |
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Integrativna zoologija in speleobiologija | P1-0184-2020 |
Javna agencija za znanstvenoraziskovalno in inovacijsko dejavnost Republike Slovenije |
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Vpliv okoljsko relevantne nano- in mikro-plastike na kopenske nevretenčarje | J1-2482-2020 |
Javna agencija za znanstvenoraziskovalno in inovacijsko dejavnost Republike Slovenije |
Datoteke, ki spadajo k objavi
Stroški objave
Vrsta stroška | Skupni stroški | Plačila |
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APC – strošek objave članka | 2702.00 € |
2702.00 € : Univerza v Ljubljani, Biotehniška fakulteta |
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Leto | Faktor vpliva | Izdaja | Kategorija | Razvrstitev | ||||
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Ime baze podatkov | Področje | Leto |
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Povezave do osebnih bibliografij avtorjev | Povezave do podatkov o raziskovalcih v sistemu SICRIS |
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Dolar, Andraž | 51859 |
Jemec Kokalj, Anita | 24447 |
Drobne, Damjana | 11155 |
Vir: Osebne bibliografije
in: SICRIS
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