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dc.contributor.advisorBaydar, Terken
dc.contributor.authorMuhammetli, Sara
dc.date.accessioned2023-03-16T11:19:38Z
dc.date.issued2023
dc.date.submitted2023-01-19
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dc.identifier.urihttp://hdl.handle.net/11655/29494
dc.description.abstractMuhammetli S., The Effect of Lead Exposure on Neopterin Levels in Metal Recycling Industry Workers, Hacettepe University Graduate School of Health Sciences Pharmacy Department of Pharmaceutical Toxicology Program Master of Science Thesis, Ankara, 2023. Lead is one of the life-threatening heavy metals that can be found in detectable concentrationsin different compartments of the human body after exposure. In industry, lead is widely used in many areas such as battery, metal and mining. One of the important business lines in which occupational exposure to toxic metals, mainly lead, may occur isthe “Recycling Sector”. Neopterin is a pteridine derivative that can be used as an early biomarker in various disorders such as tissue rejection, human immunodeficiency virus, multi-organ failure, sepsis, and cancer. In addition to neopterin release, indolamine 2,3-dioxygenase (IDO) enzyme, which plays a role in the rate-limiting step of the kynurenine pathway, is also induced by cellular immune activation. In this thesis, the relationship between blood lead levels and urinary neopterin, biopterin, manganese, cadmium and serum neopterin, kynurenine and tryptophan concentrations were evaluated in participants working in the recycling industry. It was found that urinary neopterin, lead, manganese and cadmium levels changed significantly with the increase in blood lead levels (all; p<0.05). Within the scope of the thesis, it was determined that exposure to heavy metals, especially lead, in the recycling sector affects the pteridine and kynurenine pathways.tr_TR
dc.language.isoturtr_TR
dc.publisherSağlık Bilimleri Enstitüsütr_TR
dc.rightsinfo:eu-repo/semantics/openAccesstr_TR
dc.subjectKurşuntr_TR
dc.subjectNeopterintr_TR
dc.subjectGeri Dönüşüm Sektörütr_TR
dc.subjectMetal Toksisitesitr_TR
dc.subject.lcshBilgi kaynaklarıtr_TR
dc.titleMetal Geri Dönüşüm Sektörü Çalışanlarında Kurşun Maruziyetinin Neopterin Düzeylerine Etkisitr_TR
dc.typeinfo:eu-repo/semantics/masterThesistr_TR
dc.description.ozetMuhammetli S., Metal Geri Dönüşüm Sektörü Çalışanlarında Kurşun Maruziyetinin Neopterin Düzeylerine Etkisi, Hacettepe Üniversitesi Sağlık Bilimleri Enstitüsü Farmasötik Toksikoloji Programı Yüksek Lisans Tezi, Ankara, 2023. Kurşun, maruziyeti sonrasında insan vücudunda farklı kompartmanlarda analiz edilebilir konsantrasyonlarda bulunabilen ve yaşamı tehdit eden ağır metallerden biridir. Endüstride akü, metal ve madencilik gibi birçok alanda yaygın olarak kullanımı söz konusudur. Kurşun başta olmak üzere toksik metallere mesleki maruziyetin söz konusu olabileceği önemli iş kollarından biri “Geri Dönüşüm Sekötürü”dür. Neopterin, doku reddi, insan immün yetmezlik virüsü, çoklu organ yetmezliği, sepsis, kanser gibi çeşitli sağlık sorunlarında erken biyogösterge olarak kullanılabilen bir pteridin türevidir. Hücresel immün aktivasyon ile neopterin salımının yanı sıra kinürenin yolağında hız kısıtlayıcı basamakta rol alan indolamin 2,3-dioksijenaz (IDO) enzimi de indüklenir. Bu tez çalışmasında, geri dönüşüm sektöründe çalışan katılımcılarda kan kurşun düzeyleri ile idrar neopterin, biyopterin, mangan, kadmiyum ve serum neopterin, kinürenin ve triptofan konsantrasyonları arasındaki ilişki değerlendirilmiştir. Katılımcıların kan kurşun düzeylerinin artması ile idrar neopterin, kurşun, mangan ve kadmiyum düzeylerinin anlamlı olarak değiştiği bulunmuştur (tümü; p<0,05). Bu tez kapsamında elde edilen sonuçlar ile geri dönüşüm sektöründe kurşun başta olmak üzere ağır metal maruziyetinin pteridin ve kinürenin yolağını etkilediği belirlenmiştir.tr_TR
dc.contributor.departmentFarmasötik Toksikolojitr_TR
dc.embargo.termsAcik erisimtr_TR
dc.embargo.lift2023-03-16T11:19:38Z
dc.fundingYoktr_TR
dc.subtypeworkingPapertr_TR


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