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Pregled bibliografske jedinice broj: 25560

The effect of ochratoxin A on the activity of enzymes in the basal-lateral membranes of the proximal tubules of rat kidney


Petrik, Jozsef; Čepelak, Ivana; Pepeljnjak, Stjepan; Radić, Božica; Lucić, Ana
The effect of ochratoxin A on the activity of enzymes in the basal-lateral membranes of the proximal tubules of rat kidney // Abstact book / Miraglia, M. ; Brera, C. ; Onori, R. (ur.).
Rim, 1996. str. 238-238 (poster, nije recenziran, sažetak, znanstveni)


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Naslov
The effect of ochratoxin A on the activity of enzymes in the basal-lateral membranes of the proximal tubules of rat kidney
(The effect of chratoxin A on the activity of enzymes in the basal-lateral membranes of the proximal tubules of rat kidney)

Autori
Petrik, Jozsef ; Čepelak, Ivana ; Pepeljnjak, Stjepan ; Radić, Božica ; Lucić, Ana

Vrsta, podvrsta i kategorija rada
Sažeci sa skupova, sažetak, znanstveni

Izvornik
Abstact book / Miraglia, M. ; Brera, C. ; Onori, R. - Rim, 1996, 238-238

Skup
IX International IUPAC symposium on mycotoxins and phycotoxins

Mjesto i datum
Rim, Italija, 27-31.05.1996

Vrsta sudjelovanja
Poster

Vrsta recenzije
Nije recenziran

Ključne riječi
Ochratoxin A; proximal tubules

Sažetak
Ochratoxin A (OA) is a mycotoxin that is produced by storage moulds and could be found on a variety comodities. Maximal concentrations that were reported in food of plant and of animal origins were 27.5 mg/kg and 67 ug/kg, respectively. Numerous studies have shown thet OA is a potent immunosupresive, carcinogenic, teratogenic and genotoxic agent. However, the most important toxic effects are found in the kidneys where an increase concentrations of OA are producing tubulo-interstitial nephropathy. LD50 for rats is 22-44 mg/KG b.w. The main goal of this study was to determine the effects of low doses of OA on the rat kidney. Daily dose of Oa (120ug/kg b. w.) was administrated to rats of Fisher strin during 10 and 35 days. Activities of Na, k-ATPase (the specific marker enzyme of basal lateral membranes), gama-glutamiltransferase and alkaline phosphatase were measured in the basal-lateral membranes of kidney proximal tubule. The concentration of OA in kidney was found to be 32 ng/g tissue and 48ng/g tissue after 10 and 35 days of experiment, respectively. Treatment lasting for 10 days produced a significant decrease in the activity of gamma-glutamiltransferase (reduction to 60% in comparison to the control value) and in the activity of alkaline phosphatase (reduction to 63%). However, the activity of Na, K-ATPase was increased to 124% after the 35 days of treatment.

Izvorni jezik
Engleski

Znanstvena područja
Javno zdravstvo i zdravstvena zaštita



POVEZANOST RADA


Projekti:
006340

Ustanove:
Farmaceutsko-biokemijski fakultet, Zagreb


Citiraj ovu publikaciju:

Petrik, Jozsef; Čepelak, Ivana; Pepeljnjak, Stjepan; Radić, Božica; Lucić, Ana
The effect of ochratoxin A on the activity of enzymes in the basal-lateral membranes of the proximal tubules of rat kidney // Abstact book / Miraglia, M. ; Brera, C. ; Onori, R. (ur.).
Rim, 1996. str. 238-238 (poster, nije recenziran, sažetak, znanstveni)
Petrik, J., Čepelak, I., Pepeljnjak, S., Radić, B. & Lucić, A. (1996) The effect of ochratoxin A on the activity of enzymes in the basal-lateral membranes of the proximal tubules of rat kidney. U: Miraglia, M., Brera, C. & Onori, R. (ur.)Abstact book.
@article{article, author = {Petrik, Jozsef and \v{C}epelak, Ivana and Pepeljnjak, Stjepan and Radi\'{c}, Bo\v{z}ica and Luci\'{c}, Ana}, year = {1996}, pages = {238-238}, keywords = {Ochratoxin A, proximal tubules}, title = {The effect of ochratoxin A on the activity of enzymes in the basal-lateral membranes of the proximal tubules of rat kidney}, keyword = {Ochratoxin A, proximal tubules}, publisherplace = {Rim, Italija} }
@article{article, author = {Petrik, Jozsef and \v{C}epelak, Ivana and Pepeljnjak, Stjepan and Radi\'{c}, Bo\v{z}ica and Luci\'{c}, Ana}, year = {1996}, pages = {238-238}, keywords = {Ochratoxin A, proximal tubules}, title = {The effect of chratoxin A on the activity of enzymes in the basal-lateral membranes of the proximal tubules of rat kidney}, keyword = {Ochratoxin A, proximal tubules}, publisherplace = {Rim, Italija} }




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