TY - JOUR T1 - A Toxicological Research in Atatürk Dam Lake: Toxicity and Stress Responses in Fish Blood TT - Atatürk Baraj Gölü’nde Toksikolojik Bir Araştırma: Balık Kanındaki Toksisite ve Stres Yanıtları AU - Fırat, Özge AU - Fırat, Özgür PY - 2025 DA - June Y2 - 2025 DO - 10.31594/commagene.1651481 JF - Commagene Journal of Biology JO - Comm. J. Biol. PB - ABADER (Adıyaman Bilimsel Araştırmalar Derneği) WT - DergiPark SN - 2602-456X SP - 93 EP - 98 VL - 9 IS - 1 LA - en AB - Atatürk Dam Lake, where the study was conducted, the largest dam in Turkey, is located on the Euphrates River and it is an important freshwater resource with its diverse and nutritionally valuable aquatic products and some endemic organisms. Cyprinus carpio found in this dam is one of the most cultivated fish species in the world that has economic value and is consumed as a primary food source by the local people. This dam lake is unfortunately under the influence of many environmental pollutants. In the present study, parameters of hematological (leukocytes, erythrocytes, hemoglobin, hematocrit) and plasma biochemical [glucose, cholesterol, cortisol, total protein, alanine aminotransferase (ALT), aspartate aminotransferase (AST), lactate dehydrogenase (LDH), alkaline phosphatase (ALP), potassium, sodium, and chloride] of C. carpio that was caught from different regions (Samsat, Sitilce, and Bozova) in terms of pollution load of Atatürk Dam Lake in September in 2021 were investigated. Significant decreases were observed in erythrocyte, hemoglobin, hematocrit, total protein, and cholesterol levels in Bozova region compared to Samsat and Sitilce regions (P KW - Freshwater KW - Cyprinus carpio KW - pollution KW - hematological indices KW - plasma parameters N2 - Çalışmanın yürütüldüğü Atatürk Baraj Gölü Türkiye’deki en büyük baraj olup Fırat Nehri üzerinde yer almakta ve içerdiği çok çeşitli ve besin bakımından değerli su ürünleri ve bazı endemik canlıları ile önemli bir tatlı su kaynağıdır. Bu barajda bulunan Cyprinus carpio ekonomik değeri olan ve yöre halkı tarafından birinci dereceden besin kaynağı olarak tüketilen dünyada en fazla yetiştiriciliği yapılan balık türlerinden biridir. Atatürk Baraj Gölü ne yazık ki birçok çevresel kirleticilerin etkisi altındadır. Sunulan bu çalışmada, baraj gölünün kirlilik yükü bakımından farklı bölgelerinden (Samsat, Sitilce ve Bozova) 2021 yılının Eylül ayında yakalanan C. carpio’nun hematolojik (lökosit, eritrosit, hemoglobin, hematokrit) ve plazmanın biyokimyasal parametreleri [glukoz, kolesterol, kortizol, total protein, alanin aminotransferaz (ALT), aspartat aminotransferaz (AST), laktat dehidrojenaz (LDH), alkalen fosfataz (ALP), potasyum, sodyum ve klor] araştırılmıştır. Eritrosit, hemoglobin, hematokrit, total protein ve kolesterol düzeylerinde Samsat ve Sitilce bölgeleri ile karşılaştırıldığında Bozova bölgesinde anlamlı azalışların olduğu belirlenmiştir (P CR - Abdel-Latif, H.M.R., Dawood, M.A.O., Mahmoud, S.F., Shukry, M., Noreldin, A.E., Ghetas, H.A., & Khallaf, M.A. (2021). Copper oxide nanoparticles alter serum biochemical indices, induce histopathological alterations, and modulate transcription of cytokines, HSP70, and oxidative stress genes in Oreochromis niloticus. 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