Dergiler / Hacettepe Journal of Biology and Chemistry / 2026 / Volume: 52 Issue: 3

Gentamicin Induces Selective Toxicity in Metabolically Altered Vemurafenib-Resistant A375 Cells

Fulya Dal Yöntem(KOC UNIVERSITY, SCHOOL OF MEDICINE)0000-0003-4767-083X
Gökhan Ağtürk(HALİÇ ÜNİVERSİTESİ, TIP FAKÜLTESİ)0000-0002-5573-6715
Sinem Ayaz(HALİÇ ÜNİVERSİTESİ, TIP FAKÜLTESİ)0000-0002-3547-9053
Şeyma Ateşoğlu(BEZM-İ ÂLEM VAKIF ÜNİVERSİTESİ, YAŞAM BİLİMLERİ VE BİYOTEKNOLOJİ ENSTİTÜSÜ, BİYOTEKNOLOJİ ANABİLİM DALI)0000-0001-7540-1456
Hülya Irmak Aksan(HALİÇ ÜNİVERSİTESİ, TIP FAKÜLTESİ)0000-0002-4067-462X
Huri Bulut(ISTINYE UNIVERSITY, SCHOOL OF MEDICINE, DEPARTMENT OF BASIC MEDICAL SCIENCES (MEDICINE), DEPARTMENT OF MEDICAL BIOCHEMISTRY (MEDICINE))0000-0003-2706-9625
Handan Akçakaya(İSTANBUL ÜNİVERSİTESİ, İSTANBUL TIP FAKÜLTESİ, İSTANBUL TIP PR.)0000-0002-7499-6061
Müfide Aydoğan Ahbab(SAĞLIK BİLİMLERİ ÜNİVERSİTESİ, HAMİDİYE SAĞLIK HİZMETLERİ MESLEK YÜKSEKOKULU (İSTANBUL))0000-0003-2578-3737
Ebru Hacıosmanoğlu Aldoğan(BEZM-İ ÂLEM VAKIF ÜNİVERSİTESİ, TIP FAKÜLTESİ, TEMEL TIP BİLİMLERİ BÖLÜMÜ, BİYOFİZİK ANABİLİM DALI)0000-0001-9559-4515
Sayfa
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Yayın Tarihi
2024-07-01
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⚡ TL;DR(1 Cümlede Hızlı Çıkarım)

Our findings highlight gentamicin's potential as a therapeutic agent in targeting the metabolic vulnerabilities of drug-resistant melanoma, presenting a viable new pathway in cancer treatment.

📌 3 Maddede Bu Makale

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Amaç & Hipotez:This study investigates the potential repurposing of gentamicin for treating drug-resistant melanoma by targeting metabolic alterations.
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Temel Bulgular & Veri:Rising global cancer incidence and mortality, coupled with the challenge of drug resistance, necessitate novel therapeutic strategies.
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Sonuç & Katkı:Our findings highlight gentamicin's potential as a therapeutic agent in targeting the metabolic vulnerabilities of drug-resistant melanoma, presenting a viable new pathway in cancer treatment.
🔬Tür:Research Article
📍Kapsam:Genişletilmiş Akademik Örneklem
⚙️Değişkenler:Gentamicin · vemurafenib · melanoma

Abstract

This study investigates the potential repurposing of gentamicin for treating drug-resistant melanoma by targeting metabolic alterations. Rising global cancer incidence and mortality, coupled with the challenge of drug resistance, necessitate novel therapeutic strategies. Initially, we addressed the influence of antibiotics on mitochondrial function, a crucial player in oxidative phosphorylation (OXPHOS). To assess this impact, we first cultured two different cancer cells, A375 and PC3, in antibiotic-free medium and showed that mitochondrial membrane potential of cells was increased in the absence of antibiotics compared to cells cultured in antibiotic containing medium. Next, we developed vemurafenib resistance in A375 cells, which were continuously cultured in antibiotic-free medium. The resistant cells exhibited a marked increase in oxygen consumption rate, indicating a shift towards OXPHOS. Finally, we treated these vemurafenib-resistant cells and noncancerous human fibroblast cells (CCD-1072Sk) with varying concentrations of gentamicin (1-1000 µM). Remarkably, gentamicin showed selective cytotoxicity towards the resistant cells while sparing non-resistant counterparts and noncancerous cells. Our findings highlight gentamicin's potential as a therapeutic agent in targeting the metabolic vulnerabilities of drug-resistant melanoma, presenting a viable new pathway in cancer treatment.

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Bu Makaleye Atıf Yap

Yöntem, F. D., Ağtürk, G., Ayaz, S., Ateşoğlu, Ş., Aksan, H. I., Bulut, H., Akçakaya, H., Ahbab, M. A., Aldoğan, E. H. (2024). Gentamicin Induces Selective Toxicity in Metabolically Altered Vemurafenib-Resistant A375 Cells. Hacettepe Journal of Biology and Chemistry, Volume: 52 Issue: 3. https://doi.org/10.15671/hjbc.1404345

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