Tuğçe Deniz KARACA, Başak ARU, Kayhan ÇAĞLAR

Evaluation of Antimicrobial Activities of Various Herbal Oils Against Helicobacter pylori And Their Cytotoxic Effects On HUVEC Cell Line

Helicobacter pylori (H. pylori) enfeksiyonu en önemli kronik bakteriyel enfeksiyon olarak kabul edilmektedir. Son yıllarda tedavide kullanılan antibiyotiklere karşı bakterinin direnç geliştirdiği rapor edilmiştir. Tedavide başarı oranının yükselmesi ve rekürrensin azalması için, toksik olmayan biyouyumlu bitkisel kaynakların araştırılarak sistemik antibiyotik tedavisine ek olarak kullanılması ve eradikasyonun sağlanması son derece önemlidir. Bitkilerden elde edilen yağlar uzun yıllardan beri çeşitli amaçlara yönelik, özellikle ticari ve bilimsel alanlarda kullanılmaktadır. Bu nedenle çalışmamızda; genellikle mide ve gastrointestinal sistem rahatsızlıklarına iyi geldiği bilinen ve literatürde H.pyloriüzerinde yapılmış yeterli çalışması bulunmayan çeşitli bitkisel yağlar (Eucalyptus globulus, Juniperus communis, Rosmarinus officinalis, Thymus vulgaris) seçilmiş ve H. pylori'ye karşı antimikrobiyal etkinlikleri ile Human Umbilical Vein Endothelial Cells (HUVEC) hücre soyu üzerindeki sitotoksik etkilerinin araştırılması amaçlanmıştır. Bitkisel yağların antimikrobiyal etkinlikleri mikrodilüsyon yöntemi ile (MIC, MBC), sitotoksik etkinlikleri ise MTT ve LDH yöntemleri ile incelenmiştir. H.pylori’ye karşı antimikrobiyal etkisini araştırdığımız, Eucalyptus globulus (MIC: 2,81 %v/v, MBC: 5,62 %v/v), Juniperus communis (MIC: 0,35 %v/v, MBC: 0,70 %v/v), Rosmarinus officinalis (MIC: 2,81 %v/v, MBC: 5,62 %v/v) ve Thymus vulgaris (MIC: 0,70 %v/v, MBC: 1,40 %v/v) 'in etkili olduğu gözlemlenmiştir. Bunun yanında HUVEC hücre soyu üzerinde Thymus vulgaris bitkisel yağının en yüksek, Eucalyptus globulus bitkisel yağının ise en düşük sitotoksik etkiye sahip olduğu tespit edilmiştir. Anahtar Kelimeler: Helicobacter pylori, Bitkisel yağ, Antibakteriyel aktivite, Sitotoksisite

Keywords:

Keywords: Helicobacter pylori Herbal oil, Antibacterial activity, Cytotoxicity,

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