md-medicaldata

Authors

 

Radosav Radosavkić¹, Dušan Vapa¹, Isidora Radosavkić², Aleksandra Ilić³, Golub Samardžija⁴, Miljen Maletin<sup>1

1</sup>Katedra za sudsku medicinu, Univerzitet u Novom Sadu, Medicinski fakultet
²Centar za laboratorijsku medicinu, Klinički centar Vojvodine
³Centar za patologiju, Klinički centar Vojvodine
⁴Katedra za patologiju, Univerzitet u Novom Sadu, Medicinski fakultet

 

UDK: 615.099:582.682.1

The paper was received 03.01.2018. Accepted: 15.02.2018.

Rad primljen 03.01.2018. Rad prihvaćen: 15.02.2018.

 

Corresponding author/ Autor za korespodenciju:

dr Radosav Radosavkić
Katedra za sudsku medicinu, Medicinski fakultet, Univerzitet u Novom Sadu
Hajduk Veljkova 3, 21 000 Novi Sad
e-mail: radosav.radosavkic@mf.uns.ac.rs

 

 

Sažetak

 

Uvod: Ricin je prirodni protein, toksin koji spada među najpristupačnije i najsmrtonosnije otrove. Nalazi se u biljci Ricinus (Ricinus communis), sa najvećim sadržajem u semenu (1-5 %). Ricin se smatra potencijalnim bioterorističkim oružjem i prema riziku za ljudsko zdravlje svrstan je u B kategoriju biološkog oružja. U novije vreme korišćen je za konstruisanje imunotoksina protiv tumorskih ćelija u terapiji maligniteta. Dokumentovana su mnoga trovanja ricinom, kako zadesna, tako i samoubilačka i ubilačka. U tu svrhu koristilo se intaktno seme ricinusa ili ekstrahovani ricin. Osnovni cilj ovog istraživanja je da se patohistološkom analizom utvrdi progresija razvoja patomorfoloških promena na organima laboratorijskih pacova u različitim vremenima žrtvovanja. Materijal i metode: Laboratorijski pacovi su istovremeno oralno tretirani suspenzijom koja je sadržala subletalnu koncentraciju ricina. Nakon žrtvovanja u precizno definisanim vremenskim intervalima, uzeti su uzorci tkiva unutrašnjih organa radi daljih analiza. Izvršena je patohistološka analiza uzoraka u cilju utvrđivanja promena izazvanim delovanjem ricina u odnosu na vreme proteklo od aplikacije suspenzije. Rezultati: Na histološkim preparatima životinja iz prve i druge eksperimentalne grupe patohistološke promene su diskretne. Kod životinja iz ostalih grupa promene su izraženije i jasno uočljive, a posebne su intenzivne kod životinja uginulih tokom izvođenja eksperimenta. Zaključak: Patohistološke promene na organima laboratorijskih pacova progrediraju tokom vremena proteklog od aplikacije suspenzije semena ricinusa, odnosno u pozitivnoj su korelaciji sa proteklim vremenom.

 

 

Ključne reči:

ricinus, ricin, laboratorijske životinje, mikroskopske promene, trovanje biljkama

 

 

Abstract

 

Introduction: Ricin is a naturally occurring protein, a toxin which belongs to the category of the most accessible and the most lethal poisons. It is obtained from the castor oil plant ( Ricinus communis), whose seeds contain its highest content (1-5%). Ricin is also thought to be a potential weapon of bioterrorism and taking into account the risk for human health, it is classified as a biological weapon category B. Lately it has been used for the construction of the immunotoxins against tumor cells in the therapy of malignant diseases. Numerous poisonings using ricin have been documented, not only accidental poisoning, but also in case of suicides and homicides. In those cases, intact ricin seeds or extracted ricin were used. The main aim of this research is to use pathohistological analysis to establish whether there was a significant difference in the development of pathomorphological changes on the organs of experimental rats at various points of sacrificing. Material and methods: Experimental rats were simultaneously orally tested by the solution which contained sublethal concentration of ricin. After sacrificing, the samples of inner organs tissue were taken in specifically defined intervals of time and used for further analysis. Pathohistological analysis of the samples of inner organ tissues was made with the purpose of establishing the changes caused by the effects of ricin in relation to time which passed from the application of the solution. Results: On histological preparations of animals from the first and second experimental groups, pathohistological changes are discrete. In animals from other groups changes are more pronounced and clearly visible and are particularly intense in animals which died during the experiment. Conclusion: Pathohistological changes on the organs of laboratory rats progress over the time that has passed since the application of the suspension of the seed of castor bean.

 

 

Key words:

ricinus, ricin, laboratory animals, microscopic changes, plant intoxication.

 

 

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