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Başlık: The effects of vitamin A, pentoxyfylline and methylprednisolone on experimentally induced amyloid arthropathy in brown layer chicks
Yazarlar: Sevimli, Alper
Uğuz, Cevdet
Uludağ Üniversitesi/Tıp Fakültesi/Patoloji Anabilim Dalı.
Uludağ Üniversitesi/Tıp Fakültesi/Biyokimya Anabilim Dalı.
Uludağ Üniversitesi/Tıp Fakültesi/Psikoloji Ana Bilim Dalı.
Deniz, Mısırlıoğlu
Polat, Ümit
Yalçın, Murat
Akkoç, A. N.
Anahtar kelimeler: Acute-Phase Protein
Nf-Kappa-B
Retinoic acid
Precursor protein
Gene-expression
Phorbol ester
Interleukin-1
Activation
Inhibition
Binding
Veterinary sciences
Gallus gallus
Yayın Tarihi: Nis-2005
Yayıncı: Taylor & Francis
Atıf: Sevimli, A. vd. (2005). "The effects of vitamin A, pentoxyfylline and methylprednisolone on experimentally induced amyloid arthropathy in brown layer chicks". Avian Pathology, 34(2), 143-149.
Özet: The effects of vitamin A, pentoxyfylline and methylprednisolone on experimentally induced amyloid arthropathy were investigated. In this study, 175 1-day-old brown layer chicks were used. Throughout the study Group II ( vitamin A) received high doses of vitamin A ( 75 000 IU/kg), whereas Group I ( negative control), Group III ( positive control), Group IV ( pentoxyfylline) and Group V ( methylprednisolone) received normal levels of vitamin A in the diet. At the fifth week, the experimental Groups II, III, IV and V were injected with Freund's adjuvant intra-articularly to induce amyloid arthropathy. Group IV received pentoxyfylline and Group V received methylprednisolone ( 10 mg/kg, intramuscularly) once. Joint and blood samples were examined 13 weeks after the injections. The values in Groups I, II, III, IV and V, respectively, were as follows: amyloid arthropathy formation (%), 0, 100, 87, 76, 66; serum amyloid A (ng/ml), 1669/17, 607 +/- 40, 423 +/- 39, 342 +/- 27, 293 +/- 22; serum retinol (mu g/dl): 59.75 +/- 3.8, 42.72 +/- 3, 59.24 +/- 3.6, 102 +/- 9.1, 101.3 +/- 12.3; heterophil/lymphocyte ratio: 0.504, 0.75, 0.75, 0.087, 0.44. In conclusion, it was observed that vitamin A enhanced the development of amyloid arthropathy and there were positive associations between amyloidosis, increased levels of serum amyloid A and increased numbers of tissue infiltrating macrophages. Methylprednisolone had a more successful inhibitory effect on amyloid arthropathy than pentoxyfylline.
URI: https://doi.org/10.1080/03079450500059149
https://www.tandfonline.com/doi/full/10.1080/03079450500059149
http://hdl.handle.net/11452/21585
ISSN: 0307-9457
1465-3338
Koleksiyonlarda Görünür:Scopus
Web of Science



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