md-medicaldata

Authors

 

Katarina Baralić, Marijana Ćurčić, Evica Antonijević, Biljana Antonijević, Danijela Đukić-Ćosić

Katedra za toksikologiju ,,Akademik Danilo Soldatović“, Centar za toksikološku procenu rizika, Univerzitet u Beogradu – Farmaceutski fakultet, Vojvode Stepe 450, 11221 Beograd, Srbija

 

UDK: 613.25:547584

The paper was received / Rad primljen: 14.02.2019.

Accepted / Rad prihvaćen: 18.02.2019.

 

Correspondence to:

Katarina Baralić
Katedra za toksikologiju “Akademik Danilo Soldatović”
Univerzitet u Beogradu – Farmaceutski fakultet
Vojvode Stepe 450, 11221 Beograd
Telefon: +381641686052
+381113951248
e-mail: katarinab@pharmacy.bg.ac.rs

 

 

Sažetak

 

Obezogeni (engl. Obesogens) su supstance koje potiču iz životne sredine i podstiču nastanak gojaznosti, povećavajući adipogenezu i akumulaciju lipida u organizmu. Najpoznatije supstance za koje se smatra da imaju obezogeno dejstvo su dietilstilbestrol, bisfenol A, fitoestrogeni, kao i ftalati. Ftalati (dialkil ili alkil-aril estri o-ftalne kiseline) su najčešće korišćeni plastifikatori u proizvodnji polivinil hlorida (PVC), u kome čine i do 40% mase završnog proizvoda. Usled široke primene i izloženosti ljudi, kao i potencijala da ispolje toksični efekat na reproduktivni sistem, ograničena je upotreba nekih ftalata. Sve veći broj istraživanja na eksperimentalnim životinjama govori u prilog uticaju ftalata na razvoj gojaznosti, a epidemiološkim studijama potvrđena je povezanost povećanog nivoa njihovih metabolita u urinu sa prekomernom telesnom masom. Mehanizmi obezogenog dejstva ftalata još uvek nisu dovoljno proučeni, ali se smatra da su među najznačajnijim interakcije ftalata sa receptorima povezanim sa proliferatorom peroksizoma (engl. Peroxisome Proliferator-Activated Receptors: PPAR), antiandrogeno dejstvo, ometanje tireoidne funkcije, kao i oksidativni stres. Cilj ovog rada je da dâ pregled podataka o toksičnosti ftalata sa posebnim osvrtom na mehanizme njihovog uticaja na razvoj gojaznosti.

 

 

Ključne reči:

ftalati, gojaznost, mehanizmi obezogenog dejstva

 

 

Abstract

 

Obesogens are substances originating from the environment that increase obesity development by promoting adipogenesis and lipid accumulation. The most well-known substances that have obesogenic effect are diethylstilbestrol, bisphenol A, phytoestrogens, and phthalates.
Phthalates (dialkyl, or alkyl-aryl esters of phthalic acid) are the most commonly used plasticizers in the production of polyvinyl chloride (PVC), in which they make 40% mass of the final product. Due to their wide use and exposure of humans, as well as potential toxic effects on the reproductive system, use of certain phthalates is restricted. More and more studies on experimental animals support the impact of phthalates on the development of obesity, while the correlation between increased levels of phthalate urine metabolites and overweight has been found in recent epidemiological studies. Although mechanisms of phthalate obesogenic effect are still not investigated enough, it is considered that it is caused mostly by interaction with peroxisome proliferator-activated receptors (PPAR), their antiandrogenic effect, impairment of thyroid function, and oxidative stress. Most of these effects have been shown in experiments in experimental animals, but are still not investigated enough. The aim of this paper is to present the literature data on the use and exposure to phthalates, as well as their toxicity, with a special emphasis on mechanisms of their obesogenic effect.

 

Key words:

phthalates, obesity, mechanisms of obesogenic properties

 

 

 

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PDF Baralić K. et al. • MD-Medical Data 2019;11(1): 029-034