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  • Küçük Resim
    Öğe
    Kuru Göz Fare Modelinde Sığır Amniyotik Sıvısının Terapötik Etkisinin Bazı Klinik ve Histopatolojik Parametreler Yönünden Değerlendirilmesi
    (2019) Kulualp, Kadri; Kılıç, Servet; Eröksüz, Yesari; Eröksüz, Hatice; Aslan, Abdullah
    Bu çalışmada, kuru göz (KG) fare modelinde sığır amniyotik sıvısının (SAS) 4 farklıkonsantrasyonunun terapötik etkisinin bazı klinik ve histopatolojik parametreler yönündenaraştırılması amaçlandı. Çalışmanın materyalini rastgele ve eşit sayıda 6 gruba ayrılan 60 adetBALB/c ırkı dişi fare oluşturdu. Kontrol grubu hariç diğer 5 grubu oluşturan deneklerin her ikigözüne KG modeli oluşturmak amacıyla 14 gün süreyle günde 2 defa %0.2’lik BEK (benzalkonyumklorid)’den 5 µL damlatıldı. 15 ile 30. günler arasında ise II. gruba (KG grubu) %0.9’luk izotonikserum fizyolojik, III. gruba %20 SAS, IV. gruba %35 SAS, V. gruba %50 SAS, VI. gruba ise%100’lük SAS’tan günde 3 defa 5 µL damlatıldı. Tüm gruplar, çalışma boyunca göz kırpma sayısıve konjunktival goblet hücre sayısı; çalışma sonunda ise histopatolojik olarak korneal epitelyalkalınlık, korneal damarlaşma ve yangısal hücre sayısı parametreleri yönünden değerlendirildi.Çalışma sonunda en etkili sonuçlar, göz kırpma sayısı için %35, %50 ve %100 SAS, konjunktivalgoblet hücre sayısı için %35 SAS gruplarında alındı. KG grubu deneklerin korneal epitelyaltabakalarının kontrol grubuna göre belirgin şekilde inceldiği, korneal damarlaşma ve yangısal hücresayılarının ise arttığı saptandı. Bu parametrelere göre en etkili sonuçlar %35 ve %50 SASgruplarında alındı. Bu sonuçlar, SAS’ın orta ve yüksek konsantrasyonlarının KG’nin klinik vehücresel belirtileri üzerine faydalı etkileri olduğunu göstermektedir.
  • Küçük Resim
    Öğe
    Protective effects of conventional and colon-targeted lycopene and linalool on ulcerative colitis induced by acetic acid in rats
    (Springer Basel Ag, 2019) Tekeli, İbrahim Özan; Ateşşahin, Ahmet; Sakin, Fatih; Aslan, Abdullah; Çeribaşı, Songül; Yipel, Mustafa
    ObjectiveTo compare the potential protective effects of conventional and colon-targeted lycopene (TLC) and linalool (TLN) on acetic acid (AA)-induced ulcerative colitis (UC) in rats.MethodsConventional and colon-targeted LC (10mg/kg) and LN (200mg/kg) were administered in vivo orally for 7days and sulfasalazine (100mg/kg) was also used as reference drug. Then, 4% AA was administered intrarectally to induce UC. Subsequently, the colon tissues were taken as samples for biochemical and histopathological analysis.ResultsMalondialdehyde (MDA), interleukin 1 (IL-1), IL-6, cyclooxygenase-2 (COX-2) and nuclear factor kappa B (NF-B) levels were decreased (p<0.05) in the targeted groups compared to the AA group, whereas nuclear factor-erythroid 2-related factor 2 (Nrf-2) level was increased (p<0.05). Tumor necrosis factor (TNF-) level was also decreased (p<0.05) and catalase activity (CAT) was increased (p<0.05) in the TLC group compared to the AA group. IL-1 and IL-6 levels were lower in the TLC group compared to the conventional LC and sulfasalazine groups (p<0.05). COX-2 and NF-B levels were lower, while the Nrf-2 level was higher in the targeted groups compared to the conventional groups (p<0.05). Furthermore, COX-2 level was lower and Nrf-2 level was higher in the targeted groups compared to the sulfasalazine group (p<0.05).ConclusionAs expected, sulfasalazine was effective on all parameters analyzed, but the colon-targeted pretreatments were more effective from sulfasalazine on some parameters. Therefore, colon-targeted plant-derived therapies might be alternative approaches to provide protection against UC, which deserves to be investigated further.
  • Küçük Resim
    Öğe
    Therapeutic effect of bovine amniotic fluid in murine dry eye model
    (Hokkaido Univ, 2020) Kulualp, Kadri; Kılıç, Servet; Eroksuz, Yesari; Eroksuz, Hatice; Aslan, Abdullah
    This study investigated the therapeutic effect of bovine amniotic fluid (BAF) in dry eye (DE) model in 60 female BALB/c mice divided equally into 6 groups. Control group (CG) received 5 mu L formal saline and experimental groups 0.2% benzalkonium chloride in both eyes twice a day during 14 days. From 15 to 30 days while CG and DE group only was administered saline, other groups called BAF20, BAF35, BAF50 and BAF100 received 5 mu L 20, 35, 50 and 100% BAF three times a day, respectively. On day 15, in all experimental groups tear production decreased, tear break-up time shortened, corneal fluorescein staining score increased compared to baseline; on day 30, for these parameters the most effective BAF concentrations were 35%, 50% and 100%. According to western blot analysis the lowest levels were obtained in CG and BAF35 groups for tumor necrosis factora (TNF-alpha), vascular endothelial growth factor (VEGF) and cytokeratin 10 (K10); CG for adiponectin receptor-1 (AdipoR1); BAF35 and CG for adiponectin receptor-2 (AdipoR2) (P < 0.05). In the immunohistochemical analysis the lowest levels were in CG, BAF35, BAF50 and BAF100 groups for TNF-alpha, VEGF and K10; CG, BAF35 and BAF50 groups for AdipoR1; CG, BAF20, BAF35 and BAF50 groups for AdipoR2 (P < 0.05). TUNEL method revealed a lower apoptotic cell score in all BAF groups (P > 0.05). In conclusion; moderate to high concentrations of BAF have the more beneficial effects on DE at molecular and clinical signs and it can be used for the treatment.