Journals / Osmangazi Tıp Dergisi / 2026 / Cilt: 48 Sayı: 4

Biochemical and Histological Evaluation of The Impacts of Conivaptan and Boric Acid on Ischemia-induced Tissue Injury

Konivaptan ve Borik Asidin İskemi Kaynaklı Doku Hasarı Üzerindeki Etkilerinin Biyokimyasal ve Histolojik Açıdan Değerlendirilmesi

Betül Can(ESKİŞEHİR OSMANGAZİ ÜNİVERSİTESİ, TIP FAKÜLTESİ)0000-0001-8430-5298
Fatih Kar(KÜTAHYA SAĞLIK BİLİMLERİ ÜNİVERSİTESİ, TIP FAKÜLTESİ, TEMEL TIP BİLİMLERİ BÖLÜMÜ, BİYOKİMYA ANABİLİM DALI)0000-0001-8356-9806
Ezgi Kar(KÜTAHYA SAĞLIK BİLİMLERİ ÜNİVERSİTESİ, SAĞLIK BİLİMLERİ FAKÜLTESİ, BESLENME VE DİYETETİK BÖLÜMÜ)0000-0003-2134-4067
Mete Özkoç(GİRNE ÜNİVERSİTESİ, TIP FAKÜLTESİ, TEMEL TIP BİLİMLERİ BÖLÜMÜ, TIBBİ BİYOKİMYA ANABİLİM DALI)0000-0003-3557-4349
Hakan Şentürk(ESKİŞEHİR OSMANGAZİ ÜNİVERSİTESİ, FEN-EDEBİYAT FAKÜLTESİ, BİYOLOJİ BÖLÜMÜ, GENEL BİYOLOJİ ANABİLİM DALI)0000-0002-6199-8594
Dilek Burukoğlu Dönmez(ESKİŞEHİR OSMANGAZİ ÜNİVERSİTESİ, TIP FAKÜLTESİ, TEMEL TIP BİLİMLERİ BÖLÜMÜ, HİSTOLOJİ VE EMBRİYOLOJİ ANABİLİM DALI)0000-0002-6454-4424
Güngör Kanbak(ESKİŞEHİR OSMANGAZİ ÜNİVERSİTESİ, TIP FAKÜLTESİ, TEMEL TIP BİLİMLERİ BÖLÜMÜ, BİYOKİMYA ANABİLİM DALI)0000-0001-7984-3649
İ. Özkan Alataş(ESKİŞEHİR OSMANGAZİ ÜNİVERSİTESİ, TIP FAKÜLTESİ, TEMEL TIP BİLİMLERİ BÖLÜMÜ, BİYOKİMYA ANABİLİM DALI)0000-0002-1753-8873
Pages
590–607
Publication Date
2026-06-09
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

Our findings suggest that CON and BA exhibit anti-inflammatory and antioxidant properties in the early phase of postischemic injury process and may be effective in attenuating distant organ damage following renal I/R injury.

📌 3 Key Takeaways

🎯
Objective & Hypothesis:Ischemia-reperfusion (I/R) injury, which is a major cause of acute kidney injury (AKI), involves complicated pathophysiological process triggered by oxidative and inflammatory mechanisms.
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Key Findings & Data:Accordingly, rats were divided into the groups: Control (sham-operated), Ischemia–reperfusion (I/R), I/R + Dimethyl sulfoxide (I/R + DMSO) I/R + Conivaptan (I/R + CON), and I/R + Conivaptan + Boric acid (I/R + CON + BA).
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Conclusion & Impact:Our findings suggest that CON and BA exhibit anti-inflammatory and antioxidant properties in the early phase of postischemic injury process and may be effective in attenuating distant organ damage following renal I/R injury.
🔬Design:Modeling & Simulation
📍Scope:Comprehensive Sample
⚙️Variables:Borik asit · Konivaptan · İnflamasyon

Abstract

Ischemia-reperfusion (I/R) injury, which is a major cause of acute kidney injury (AKI), involves complicated pathophysiological process triggered by oxidative and inflammatory mechanisms. This process adversely affects kidneys and distant organs/systems, potentially leading to multiple organ failure. Therefore, experimental studies targeting renal I/R injury mechanisms are needed to mitigate local and distant organ damage. We established an experimental renal I/R rat model to mimic the clinical presentation of AKI and evaluated the potential damage-preventive effects of conivaptan (CON) and boric acid (BA) on kidneys and distant tissues (liver, brain, heart, pancreas, testis, spleen). Accordingly, rats were divided into the groups: Control (sham-operated), Ischemia–reperfusion (I/R), I/R + Dimethyl sulfoxide (I/R + DMSO) I/R + Conivaptan (I/R + CON), and I/R + Conivaptan + Boric acid (I/R + CON + BA). TAS, TOS, and total thiol levels, which indicated oxidant and antioxidant redox status, were measured in blood samples, and the oxidative stress index was calculated. Inflammation-related cytokines (TNF-α, interleukin (IL)-6, IL-10, IL-35, and chemerin) were analysed through ELISA and/or RT-PCR. Furthermore, serum enzyme activities, lipid-profile, and albumin levels were determined. Tissue samples were examined histologically using Hematoxylin-Eosin staining. Renal I/R injury significantly increased systemic oxidative stress, exacerbated renal inflammation, and induced distant organ damage. Treatment with CON and BA demonstrated protective effects by reducing oxidative stress and modulating inflammatory responses without inducing toxicity in the postischemic period. Our findings suggest that CON and BA exhibit anti-inflammatory and antioxidant properties in the early phase of postischemic injury process and may be effective in attenuating distant organ damage following renal I/R injury.

Özet

Akut böbrek hasarının (ABH) başlıca nedenlerinden biri olan iskemi-reperfüzyon (İ/R) hasarı, oksidatif ve inflamatuar mekanizmaların tetiklendiği kompleks patofizyolojik süreçleri içermektedir. Bu süreçler, böbrek ve uzak organ/sistemleri olumsuz etkileyerek çoklu organ yetmezliğine yol açabilmektedir. Bu nedenle, lokal ve uzak organ hasarını azaltmaya yönelik, böbrek İ/R hasarı mekanizmalarını hedef alan deneysel çalışmaların planlanması önemli bir ihtiyaçtır. Bu çalışmada, ABH kliniğini yansıtmak için deneysel bir böbrek İ/R sıçan modeli oluşturulmuştur; konivaptan (CON) ve borik asidin (BA) böbrekler ve uzak dokular (karaciğer, beyin, kalp, pankreas, testis, dalak) üzerindeki potansiyel hasar önleyici etkileri araştırılmıştır. Buna göre, sıçanlar Kontrol (sham-opere), İskemi-reperfüzyon (I/R), I/R + Dimetilsülfoksit (I/R + DMSO), I/R + Konivaptan (I/R + CON) ve I/R + Konivaptan + Borik asit (I/R + CON + BA) olmak üzere gruplara ayrılmıştır. Oksidan ve antioksidan redoks durumunu gösteren TAS, TOS ve total tiyol düzeyleri kan örneklerinde ölçülmüştür ve oksidatif stres indeksi hesaplanmıştır. İnflamasyonla ilişkili sitokinler (TNF-α, interlökin (IL)-6, IL-10, IL-35 ve kemerin) ELISA ve/veya RT-PCR ile analiz edilmiştir. Ayrıca, serum enzim aktiviteleri, lipit profili ve albümin düzeyleri belirlenmiştir. Doku örnekleri Hematoksilen-Eozin boyama kullanılarak histolojik olarak incelenmiştir. Çalışmamızda böbrek I/R hasarının sistemik oksidatif stresi önemli ölçüde artırdığı, böbrek inflamasyonunu şiddetlendirdiği ve uzak organ hasarını indüklediği gözlenmiştir. CON ve BA tedavisi, iskemi sonrası dönemde toksisiteye neden olmadan oksidatif stresi azaltarak ve inflamasyon yanıtlarını düzenleyerek koruyucu etki göstermiştir. Bulgularımız, CON ve BA'nın iskemi sonrası hasar sürecinin erken evresinde anti-inflamatuar ve antioksidan özellikler gösterdiğini ve böbrek I/R hasarını takiben uzak organ hasarını hafifletmede etkili olabileceğini destekler niteliktedir.

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Cite This Article

Can, B., Kar, F., Kar, E., Özkoç, M., Şentürk, H., Dönmez, D. B., Kanbak, G., Alataş, İ. Ö., *, B. C. (2026). Biochemical and Histological Evaluation of The Impacts of Conivaptan and Boric Acid on Ischemia-induced Tissue Injury. Osmangazi Tıp Dergisi, Cilt: 48 Sayı: 4, 590–607. https://doi.org/10.20515/otd.1772344

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