Marzi, Mahdi
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Marzi, Mahdi
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Doktor Öğretim
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mahdi.marzi@fbu.edu.tr
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Temel Eczacılık Bilimleri Bölümü
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7 results
Scholarly Output Search Results
Now showing 1 - 7 of 7
Article The Gut-Kidney Axis in Calcium Oxalate Nephrolithiasis: Nutritional and Microbial Insights(Kare Publ, 2026) Sener, Goksel; Marzi, Mahdi; Sener, Tarik EmreCalcium oxalate (CaOx) nephrolithiasis is the most common type of kidney stone disease worldwide. Recent studies show that its development cannot be explained solely by renal solute handling; instead, it reflects a broader interaction between dietary habits, the intestinal microbiota, and host metabolic responses. Intestinal absorption of calcium and oxalate-two central drivers of lithogenesis-is shaped by both microbial composition and dietary patterns. Although Oxalobacter formigenes was initially regarded as the main oxalate-degrading organism, newer studies indicate that a wider disturbance of the gut microbiota, especially the loss of short-chain fatty acid (SCFA)-producing species, may increase susceptibility to stone formation. In this review, nutritional, microbial, and mechanistic evidence is brought together to examine how diet-particularly salt, animal protein, calcium, oxalate, fruits, vegetables, and water intake-modulates the gut-kidney axis. Diets high in salt or animal protein tend to shift the microbiota toward more pro-inflammatory and acidogenic profiles, while fiber-rich, plant-based diets and adequate hydration appear to support microbial diversity, SCFA production, and epithelial barrier integrity. Probiotic and synbiotic interventions have also gained attention as potential strategies to reduce stone recurrence by targeting gut microbial function. Taken together, current findings suggest that the gut-kidney axis is a dynamic metabolic link between diet, microbial ecology, and renal physiology. Future studies combining multi-omics methods with personalized nutritional approaches may help develop more effective microbiota-based prevention and treatment strategies for CaOx nephrolithiasis.Article Antimicrobial Effect of Drinkable Lugol Solution(2024) Tunç, Ayşe Karacalı; Sarıtaş, Büşra Merve; Marzi, Mahdi; Dursun, Feray; Kaya, ŞevinThe death rates due to infection in patients receiving long-term antibiotic treatment and hospitalized patients are quite alarming. Treatment of multidrug-resistant strains of Acinetobacter baumannii, Klebsiella pneumoniae, Escherichia coli, Pseudomonas aeruginosa and Staphylococcus aureus, which cause widespread nosocomial infection, has become a global problem. Alternative treatment methods are needed for these species, which use all their resistance mechanisms day by day. Recently, it has been seen that iodine (lugol) solution has been used in the treatment of many infections. Significant results are observed, especially for nosocomial and wound infections. The literature on the antimicrobial effect of Lugol solution is very limited. In order to scientifically support such treatments, we aimed to investigate the antimicrobial effect of lugol on resistant bacteria in a laboratory environment. In our laboratory, we have previously isolated Acinetobacter baumannii, Shigella sonneii, Escherichia coli, Pseudomonas aeruginosa and Staphylococcus aureus strains with known antibiotic resistance. For these isolates, the agar dilution method prepared with different concentrations of lugol and the Broth Microdilution Method were used. As a result of our study, it was observed that drinkable Lugol solution affects multidrug-resistant microorganisms at very low concentrations. Thus, Lugol's success in infection treatments will be scientifically supported.Article Citation - WoS: 1Citation - Scopus: 1A Comparative Study of Biochemical, Antimicrobial Effects and Phytochemical Composition Analysis of Glycyrrhiza Glabra L. Varieties Root Extracts(Marmara University, 2025) Sen, Ali; Servı, Hüseyın; Barak, Timur Hakan; Tekin, Fethullah; Şener, Azize; Marzi, Mahdi; Gülmez, GizemPlants are the significant global interest as alternative treatment sources with their biologically activecompounds. This study compares the chemical composition and the antioxidant, antidiabetic, and antimicrobialproperties of ethanol extracts of G. glabra L. two different varieties from different regions. The phytochemicalcompositions was determined using GC-MS. Additionaly, total phenolic (TPC), flavonoid (TFC) and triterpene (TTC)contents were determined. Glycyrrhizic acid contents were analysed by HPLC. G. glabra var. glandulifera (GF1) showedthe highest antioxidant activity. All extracts had strong antidiabetic effects, besides GF1 showing the highest effect. TheMIC values was determined against 8 bacterial and 1 yeast strain and values ranged from 2.500 to 0.500; 2.500 to 0.714;2.500 to 0.714 for G. glabra var. glabra (GB), GF1, G. glabra var. glandulifera (GF2) respectively. Phytochemical studies haveshown that TPC was 100.60±5.06, 127.90±0.30, 69.01±0.30 mg GAE /g extract; TFC was 80.07±0.15, 25.35±0.0, 16.58±0.31mg KE/g and TTC was 217.30±6.05,172.40±2.17, 126.30±4.50 mg OE/g extract for GB, GF1, GF2, respectively. GF1 inparticular has the highest glycyrrhizic acid content. This study will contribute to the creation of new treatment strategiesand potential therapeutic agents in addition to the use of G. glabra L. in traditional treatments. Our study is also apreliminary study for future studies.Article Evaluation of University Students’ Awareness and Knowledge of Human Papillomavirus (HPV) Infection, HPV Vaccination, and HPV-Related Cancers(Marmara Univ, FAC Pharmacy, 2026) Marzi, Mahdi; Karacali Tunç, Ayşe; Marzi, Sebnem; Tunc, Ayse Karacali; Tunc, YunusHuman papillomavirus (HPV) is the most common sexually transmitted infection and a major cause of cervical and other cancers. This cross-sectional study aimed to assess university students' knowledge of HPV infection, testing, vaccination, and HPV-related cancers across different regions of Türkiye. Data were collected from 1,856 students enrolled in associate, undergraduate, and postgraduate programs using a validated HPV Knowledge Scale. Statistical analyses included descriptive statistics, t-tests, ANOVA, and Pearson correlations. Overall, awareness of HPV (76.3%), HPV testing (70.1%), and HPV vaccination (77.5%) was relatively high, while only 11.3% of participants had been vaccinated. The mean total knowledge score was 13.19 +/- 8.64, indicating moderate knowledge. Higher scores were associated with female gender, higher education level, family history of cancer, and prior knowledge of sexually transmitted infections or cervical cancer (p<.05). Regional variations were observed, with the Aegean, Central Anatolia, and Marmara regions showing higher knowledge levels. A weak but significant positive correlation was found between age and knowledge (r=0.206, p<.001). The findings highlight persistent gaps in HPV vaccination and screening awareness among university students. Targeted educational interventions, particularly for male and non-health students, and national inclusion of HPV vaccination programs could strengthen preventive strategies against HPVrelated cancers.Article Advances and Strategies in Biosensor-Based Diagnostics for Parasitic Infections: A Comprehensive Scoping Review(Springer, 2026) Aminizadeh, Selva; Alizadeh, Gita; Alizadeh, Zahra; Khalilzadeh, Balal; Abidin, Zurina Zainal; Marzi, Mahdi; Rafiei-Sefiddashti, RahelehParasitic diseases are among the most widespread infections worldwide, causing millions of deaths and illnesses each year. So rapid and accurate diagnosis is essential, requiring highly sensitive and specific tests. Biosensors can provide significant advantages over traditional diagnostic methods because of their specificity, sensitivity, speed, simplicity, ease of use, repeatability, and capacity for early-stage disease detection. Recent advances in modern diagnostic tools for detecting parasitic infections use nanomaterials such as gold nanoparticles, carbon nanofibers, and carbon nanotubes. These developments have significantly lowered detection limits to the picogram and femtogram levels. This review will cover recent advancements in biosensor-based diagnostic techniques in parasitology.Article Protective Effects of L-Theanine against Bisphenol A-Induced Oxidative Stress and Gut Microbiota Disruption in Wistar Rats(Springer, 2026) Sener, Azize; Marzi, Mahdi; Sener, Goksel; Donmez, Muhammet OguzhanBackground Gut microbiota homeostasis plays a central role in maintaining intestinal redox balance and immune regulation. Bisphenol A (BPA), a widely distributed environmental contaminant, has been associated with oxidative stress, inflammatory responses, and disturbances in intestinal microbial communities. L-theanine (LTN), a bioactive amino acid naturally present in green tea, possesses well-documented antioxidant and anti-inflammatory properties; however, its potential protective role against BPA-induced intestinal injury has not been fully clarified. Methods and Results In the present study, female Wistar albino rats were randomly allocated into three groups: control, BPA (50 mg/kg/day), and BPA + LTN (100 mg/kg/day) and treated for 30 days. Oxidative stress and inflammatory responses in intestinal and colonic tissues were assessed by measuring malondialdehyde (MDA), reduced glutathione (GSH) levels and myeloperoxidase (MPO), catalase (CAT) activities. BPA exposure significantly increased MDA (p < 0.001) level and MPO (p < 0.001) activity while reducing GSH content (p < 0.001) and CAT activity (p < 0.001) compared with the control group. Compared to the BPA group, LTN treatment led to significant changes in MDA, MPO, and GSH levels in both tissues. MDA and MPO levels were significantly reduced in the intestine and colon tissues of the BPA + LTN group (p < 0.001). GSH and CAT levels were significantly increased in both the intestine and colon compared to the BPA group (p < 0.001). In addition, fecal microbiota composition was analyzed using 16 S rRNA gene sequencing, with taxonomic profiling performed at the phylum, genus and species levels. BPA exposure was associated with reduced microbial stability and compositional shifts within the gut microbiota, whereas LTN treatment partially restored microbial richness and community structure. Conclusions Collectively, these findings indicate that LTN alleviates BPA-induced intestinal oxidative stress and microbiota dysbiosis, suggesting its potential as a protective dietary compound against environmental toxicant-related intestinal injury.Article Üniversite Öğrencilerinin Human Papilloma Virüsü Bilgi Düzeylerinin Eğitim Verilerek Değerlendirilmesi(2025) Sarıtaş, Büşra Merve; Tunç, Ayşe Karacalı; Marzi, MahdiAmaç: Human Papilloma Virüsü (HPV) çeşitli kanserlere neden olduğu bilinmektedir. Bu nedenle çalışmamızın amacı HPV farkındalık eğitiminin üniversite öğrencilerinin HPV hakkındaki bilgi düzeyleri üzerindeki etkisini araştırmaktır. Yöntem: Çalışma tek gruplu yarı deneysel desende tasarlandı. Çalışmada HPV bilgi ölçeği kullanıldı. Bu kapsamda 66 öğrenciye HPV bilgi düzeyleri ve eğitim aldıktan sonra farkındalıklarının sürdürülebilirliğini değerlendirmek amacıyla ön test ve son test uygulandı. HPV farkındalığı adı altında öğrencilere dört haftalık bir sürede eğitim verildi. Aynı test öğrencinin öğrenmesinin kalıcılığını test etmek amacıyla iki hafta sonra tekrar uygulandı. Çalışmada verilerin analizi için tekrarlı ölçümlerde ANOVA analiz kullanıldı. Bulgular: “HPV Bilgisi” ölçeği toplam puanında; “Genel HPV Bilgisi” alt boyutunda, cinsel yolla bulaşan hastalıklara ilişkin bilgi ve serviks kanserine ilişkin bilgi değişkenlerine göre gruplar arasında anlamlı fark bulunmuştur (p<0.05). “Genel HPV Bilgisi” (t=-6.715), “HPV Tarama Testi Bilgisi” (t=5.183), “Genel HPV Aşısı Bilgisi” (t=-5.489) alt boyutunda, sontest puan ortalaması lehine istatistiksel olarak anlamlı fark bulunmuştur (p<0.05). Ayrıca, “Mevcut HPV Aşılama Programı Hakkında Bilgi” alt boyutunda (t=-5.212) ve ölçeğin toplam puanında (t=-8.229) anlamlı fark bulunmuştur (p<0.05). Sonuçlar: Bu sonuçlar doğrultusunda HPV hakkında verilen eğitimin etkili olduğu ve öğrencilerin HPV hakkındaki bilgi düzeyini artırdığı söylenebilir.