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Exploring Bioactive Components Of Sugar Bean With Some Data Mining Algorithms: Relationships Between Antioxidants, Enzyme Inhibitors, And Minerals, İrem Ayran Çolak Dec 2025

Exploring Bioactive Components Of Sugar Bean With Some Data Mining Algorithms: Relationships Between Antioxidants, Enzyme Inhibitors, And Minerals, İrem Ayran Çolak

Turkish Journal of Agriculture and Forestry

Sugar bean (Phaseolus vulgaris L.) is a legume of notable nutritional and functional value, and its genotypes have substantial variation in bioactive compounds, antioxidant activity, mineral composition, and enzyme inhibition properties. This study aimed to comprehensively evaluate the biochemical and functional diversity of 10 sugar bean genotypes using data mining algorithms to identify superior candidates for functional food and nutraceutical development. Associations between the phytochemical profiles of sugar bean genotypes and their bioactivity, antioxidant capacity, and enzyme inhibition were modeled with classification and regression trees (CART), random forests (RF), and multivariate adaptive regression splines (MARS), while one-way ANOVA quantified varietal …


Effects Of Different Mixing Ratios Of Common Vetch And Oats On Forage Yield And Quality, Meli̇h Okcu, Sedat Severoğlu, İbrahi̇m Kavuncu Dec 2025

Effects Of Different Mixing Ratios Of Common Vetch And Oats On Forage Yield And Quality, Meli̇h Okcu, Sedat Severoğlu, İbrahi̇m Kavuncu

Turkish Journal of Agriculture and Forestry

This study investigates the optimal mixing ratios of common vetch (Vicia sativa L., CV) and oats (Avena sativa L., O) for enhanced forage yield and quality in the ecological conditions of Erzurum Province. The research was conducted over two growing seasons with three replications in a randomized complete block design (RCBD). Specifically, three common vetch cultivars (Gülhan, Albayrak, Kubilay) and one oat cultivar (Kupa) were evaluated by sowing as sole crops and in different ratios (25% vetch + 75% oat, 50% vetch + 50% oat, 75% vetch + 25% oat). The analyzed parameters included hay forage yield (HFY), dry matter …


Optimizing Cultivated Land Productivity Through Integrated Fertilization Strategies And Uav-Assisted Management, Kejun Wang Dec 2025

Optimizing Cultivated Land Productivity Through Integrated Fertilization Strategies And Uav-Assisted Management, Kejun Wang

Turkish Journal of Agriculture and Forestry

This study investigates the impact of long-term fertilization modes on crop health and productivity using unmanned aerial vehicle (UAV)-assisted monitoring and a Q-learning-based approach for optimized fertilization strategies. An approximate state-matching Q-learning algorithm was developed to improve the efficiency of agricultural UAVs in fertilization tasks. The spatiotemporal patterns of cultivated land productivity under different fertilization regimes were analyzed in a long-term experiment. An evaluation system for cultivated land health productivity was established. The results indicated that the Q-learning algorithm enabled UAVs to achieve efficient task completion. QLASM outperformed traditional methods on all metrics. QLASM achieved a 92% task completion rate …


Study On The Role Of Shenfu Injection In Mediating Ferroptosis Through The Akt/Gsk-3Β/Nrf2 Pathway In Yang-Deficient Chronic Heart Failure, Xiaojie Chen, Jiayun Guo, Bing Lin, Huamin Wang, Ziyu Lu, Bayi Liu Dec 2025

Study On The Role Of Shenfu Injection In Mediating Ferroptosis Through The Akt/Gsk-3Β/Nrf2 Pathway In Yang-Deficient Chronic Heart Failure, Xiaojie Chen, Jiayun Guo, Bing Lin, Huamin Wang, Ziyu Lu, Bayi Liu

Turkish Journal of Biology

Background/aim: The present study investigates the role of Shenfu injection in the treatment of yang-deficient chronic heart failure (CHF). Materials and methods: Sprague-Dawley (SD) rats were modeled for yang-deficient CHF by abdominal aortic coarctation. Echocardiography was performed to detect changes in cardiac function, and serum N-terminal B-type natriuretic peptide proteins (NT-proBNP), cardiac troponin I (cTnI), and ferroptosis-related factors were measured using ELISA kits. Pathological changes in cardiac tissues were observed through hematoxylin-eosin (HE) and Masson’ trichrome staining, cardiomyocyte apoptosis was measured by TUNEL staining, and reactive oxygen species (ROS) production was determined through dihydroethidium (DHE) staining. The expression of nuclear …


Mir-22 Inhibits The Proliferation, Migration, And Invasion Of Human Cd133-Positive Glioblastoma Stem Cells, Sevi̇l Köse, Özlenen Özkan, Ömer Özkan Dec 2025

Mir-22 Inhibits The Proliferation, Migration, And Invasion Of Human Cd133-Positive Glioblastoma Stem Cells, Sevi̇l Köse, Özlenen Özkan, Ömer Özkan

Turkish Journal of Biology

Background/aim: Glioblastoma multiforme (GBM) is one of the most aggressive and fatal malignancies of the central nervous system. Despite advancements in treatment strategies, effective therapies for GBM remain insufficient, necessitating further improvements. Notably, miR-22 has been found to be significantly downregulated in both glioblastoma tissues and cell lines. In this study, we aim to evaluate miR-22 expression levels in GBM (U87) and CD133-positive (CD133+) GBM stem cells (GSCs) and to investigate its effects on proliferation, colony formation, migration, invasion, and wound-healing in U87 and CD133+ U87 cells in vitro.Materials and methods: We isolated CD133+ U87 cells using magnetic-activated cell sorting …


Efflux Pump-Associated Antimicrobial Resistance Genes In Staphylococcus Spp. From Dairy And Meat Samples, M.Burcu Külahci, Sumru Çitak Dec 2025

Efflux Pump-Associated Antimicrobial Resistance Genes In Staphylococcus Spp. From Dairy And Meat Samples, M.Burcu Külahci, Sumru Çitak

Turkish Journal of Biology

Background/aim: This study aimed to investigate the phenotypic resistance and distribution of efflux pump-associated antimicrobial resistance genes in Staphylococcus spp. isolated from dairy and meat samples. Antimicrobial resistance in foodborne bacteria increases with antibiotic exposure and biocides, particularly through efflux mechanisms. Thus, monitoring potential genetic reservoirs in the food chain is very important. Materials and methods: A total of 132 dairy and meat samples were collected for the study, and Staphylococcus spp. were isolated using Mannitol salt phenol red agar. Antimicrobial susceptibility was evaluated using the Clinical and Laboratory Standards Institute’s microdilution method. Twenty-six resistant isolates were identified by 16S …


Synthesis Of Biogenic Silver Nanoparticles From Apricot Kernel Extracts For The Colorimetric Determination Of Gold, Ayça Gi̇rgi̇n, Hi̇lal Akbiyik, Buse Tuğba Zaman, Omid Nejati, Ayça Bal Öztürk, Gülten Çeti̇n, Sezgi̇n Bakirdere Dec 2025

Synthesis Of Biogenic Silver Nanoparticles From Apricot Kernel Extracts For The Colorimetric Determination Of Gold, Ayça Gi̇rgi̇n, Hi̇lal Akbiyik, Buse Tuğba Zaman, Omid Nejati, Ayça Bal Öztürk, Gülten Çeti̇n, Sezgi̇n Bakirdere

Turkish Journal of Chemistry

Gold is abundant in nature, however, precise and reliable analytical methods for its detection are required stemming from its increasing prevalence in environmental, biological, and industrial systems, as well as the growing interest in understanding its function in living organisms and its effects on human health. This study investigates the use of biogenically synthesized silver nanoparticles (AgNPs) for the preconcentration and determination of gold ions prior to determination by UV-Vis spectrophotometry. AgNPs were synthesized by reducing silver nitrate through the use of an apricot kernel extract as both reducer and stabilizer agent. The colloidal yellowish AgNPs interacted with gold ions, …


Synthesis, Characterization, And Theoretical Study Of New Cocrystals And Charge-Transfer Compounds, Zari̇fe Si̇bel Şahi̇n, Zeki̇ Kartal Dec 2025

Synthesis, Characterization, And Theoretical Study Of New Cocrystals And Charge-Transfer Compounds, Zari̇fe Si̇bel Şahi̇n, Zeki̇ Kartal

Turkish Journal of Chemistry

This study used single-crystal X-ray diffraction, elemental analysis, infrared (IR) spectroscopy, theoretical nuclear magnetic resonance (NMR), and theoretical ultraviolet spectroscopy to characterize 3 newly synthesized crystalline compounds. Additionally, the nonlinear optical, highest occupied molecular orbital energies, lowest occupied molecular orbital energies, band gap, molecular electrostatic potential, and thermodynamic parameters of the 3 crystalline compounds were examined. The strong correlation between experimental IR spectra and theoretical NMR chemical shifts confirmed the accuracy of computational predictions. The molecular formulas of the 3 newly synthesized crystalline compounds, each containing different ligand molecules, were: C8H14O4·2(C6H4N2), C5H7N2·NCS, and Ni(CN)4·2(C5H7N2)·2(H2O) for compounds 1, 2, and 3, …


New Bis-Piperazine Derivatives: Synthesis, Characterization (Ir, Nmr), Gamma-Ray Absorption, Antimicrobial Activity, Molecular Docking And Dynamics Study, Yasemi̇n Ünver, Arzu Coşkun, Fati̇h Çeli̇k, Hali̇l İbrahi̇m Güler, Kadri̇ye İnan Bektaş Dec 2025

New Bis-Piperazine Derivatives: Synthesis, Characterization (Ir, Nmr), Gamma-Ray Absorption, Antimicrobial Activity, Molecular Docking And Dynamics Study, Yasemi̇n Ünver, Arzu Coşkun, Fati̇h Çeli̇k, Hali̇l İbrahi̇m Güler, Kadri̇ye İnan Bektaş

Turkish Journal of Chemistry

A series of novel bis-piperazine derivatives (2a–2f) were synthesized and structurally characterized via Fourier transform-infrared and nuclear magnetic resonance spectroscopic techniques. Their gamma-ray shielding efficiencies were investigated through simulations on the Monte Carlo-based Geant4-GATE platform, and the results were benchmarked against data obtained from the XCOM and Phy-X software. A simulation model incorporating an NaI scintillation detector and a point gamma source was developed. Key shielding parameters, including mass attenuation coefficient, linear attenuation coefficient, half-value layer, and mean free path (MFP), were evaluated at gamma energies of 80, 120, 662, 1173, and 1332 keV. Additionally, the energy absorption buildup factor …


Endocrine Disruptors, Obesity, And Metabolic Syndrome, Tuğba Barlas, Alev Eroğlu Altinova, Meriç Coşkun, Ethem Turgay Ceri̇t Dec 2025

Endocrine Disruptors, Obesity, And Metabolic Syndrome, Tuğba Barlas, Alev Eroğlu Altinova, Meriç Coşkun, Ethem Turgay Ceri̇t

Turkish Journal of Medical Sciences

The global prevalence of obesity and metabolic syndrome (MetS) is rising worldwide, and increasing evidence suggests that chemical exposures—particularly endocrine disruptors (EDs)—represent a significant contributing factor. EDs can act as obesogens, increasing the risk of weight gain and related metabolic conditions, including type 2 diabetes, dyslipidemia, hypertension, and cardiovascular disease. They may also alter the basal metabolic rate, gut microbiota composition, and hormonal regulation of appetite and satiety. EDs are reported to exert their effects mainly through the peroxisome proliferator-activated receptor gamma pathway, which is primarily expressed in adipose tissue and is a key regulator of adipogenesis. Common consumer products …


Endocrine Disruptors And Children's Health, Ersen Karakiliç, Durmuş Doğan, Emre Sedar Saygili Dec 2025

Endocrine Disruptors And Children's Health, Ersen Karakiliç, Durmuş Doğan, Emre Sedar Saygili

Turkish Journal of Medical Sciences

Endocrine-disrupting chemicals (EDCs) are environmental contaminants that disrupt hormonal regulation by mimicking, inhibiting, or modifying endocrine signaling pathways. EDCs are commonly present in plastics, pesticides, industrial byproducts, and personal care products and pose substantial health risks, particularly to vulnerable groups such as infants and children. Early-life exposure is especially concerning due to the developing detoxification systems, the immaturity of the blood–brain barrier, and the ongoing organ differentiation, making these periods highly susceptible to EDCs’ harmful effects. Moreover, exposure during critical developmental periods, such as sex differentiation and neurodevelopment, can lead to significant long-term developmental impairments that persist into later life.Perinatal …


Endocrine Disrupting Chemicals And Adrenal Gland​, Gülay Şi̇mşek Bağir, Melek Eda Ertörer Dec 2025

Endocrine Disrupting Chemicals And Adrenal Gland​, Gülay Şi̇mşek Bağir, Melek Eda Ertörer

Turkish Journal of Medical Sciences

Endocrine disrupting chemicals (EDCs) are exogenous compounds that have hormone-like effects inside the body. Endocrine disruptors can affect adrenal glands in humans and animals. Adrenocortical dysfunction related to chemical exposure has been reported in the literature.The human adrenal gland is crucial for the synthesis of steroid hormones (glucocorticoids, mineralocorticoids, and androgens) and amino acid-derived hormones (epinephrine and norepinephrine). All steps in the adrenocortical steroidogenesis pathway are potential targets for chemical inhibition, including the adrenocorticotropic hormone receptor, steroidogenic acute regulatory protein, mitochondrial cytochrome P450 (CYP) enzymes (CYP11A1, CYP17, CYP21, CYP11B1, and CYP11B2), and 3-hydroxysteroid dehydrogenase D4,5 isomerase. EDCs either inhibit the …


Endocrine-Disrupting Chemicals In Metabolic Bone Diseases, Including Osteoporosis, Betül Gündüz, Eli̇f Kiliç Kan, Ayşegül Atmaca Dec 2025

Endocrine-Disrupting Chemicals In Metabolic Bone Diseases, Including Osteoporosis, Betül Gündüz, Eli̇f Kiliç Kan, Ayşegül Atmaca

Turkish Journal of Medical Sciences

Endocrine disruptors are chemical substances widely utilized across various industrial sectors. Due to their structural similarity to natural ligands, they bind to receptors and influence the endocrine system via agonist–antagonist mechanisms. Exposure occurs through the consumption of contaminated food and water, inhalation of polluted air and dust, and dermal contact. Owing to their dynamic remodeling capacity, bones represent potential targets for endocrine-disrupting chemicals. These chemicals can disrupt bone formation, skeletal development, hormonal regulation, and calcium metabolism. Sensitivity to endocrine-disrupting chemicals is greatest during the prenatal and early postnatal periods. This review summarizes the effects of endocrine-disrupting chemicals on bone tissue.


Differences In Lactation Curve Parameters And Milk Yield Responses Between Artificially Induced And Naturally Calved Cows Milked In An Automatic Milking System, Marcos Busanello Dec 2025

Differences In Lactation Curve Parameters And Milk Yield Responses Between Artificially Induced And Naturally Calved Cows Milked In An Automatic Milking System, Marcos Busanello

Turkish Journal of Veterinary & Animal Sciences

Despite advances in artificial induction of lactation (AIL) protocols, they do not perfectly mimic the hormonal patterns of natural pregnancy. Recent studies show improved milk yield (MY) responses; however, comparisons of lactation curve parameters between AIL and naturally calved (NC) cows often do not extend beyond 305 days in milk (DIM). Thus, this study aimed to compare MY responses and lactation curve parameters between AIL and NC cows milked in an automated milking system (AMS). Data from 38 Holstein cows (19 AIL and 19 NC) were analyzed, focusing on the 305 DIM period. Wood’s lactation curve model was used to …


Cover And Contents Dec 2025

Cover And Contents

Turkish Journal of Veterinary & Animal Sciences

No abstract provided.


Antimicrobial Sensitivity Of Bacterial Isolates And Molecular Detection Of Staphylococcus Aureus And Staphylococcus Pseudintermedius Isolated From Urinary Tract Infections Of Canines, Mankaran Kaur, Gursimran Filia, Ashok Kumar Dec 2025

Antimicrobial Sensitivity Of Bacterial Isolates And Molecular Detection Of Staphylococcus Aureus And Staphylococcus Pseudintermedius Isolated From Urinary Tract Infections Of Canines, Mankaran Kaur, Gursimran Filia, Ashok Kumar

Turkish Journal of Veterinary & Animal Sciences

Urinary tract infections (UTIs) are commonly encountered in canine clinical cases and can result in significant health complications if not properly treated. This study isolated and identified bacterial pathogens from dogs with clinical signs of UTI. Antimicrobial susceptibility profiling was performed on the bacterial isolates and further molecular detection of Staphylococcus aureus and Staphylococcus pseudintermedius was also performed. A total of 104 urine samples were collected via cystocentesis and catheterization. Bacterial identification was conducted using standard bacteriological procedures, and antimicrobial susceptibility was assessed using the disc diffusion method with 21 different antimicrobial discs. Polymerase chain reaction (PCR) was used for …


Evaluation Of Blood-To-Fluid Gradient Of Glucose And Lactate As Biomarkers In The Early Diagnosis Of Septic Peritonitis In Dogs, Silpa Sn, Sujata Turkar, Neetu Saini, Sushma Chhabra, Kuldip Gupta, Gursimran Filia Dec 2025

Evaluation Of Blood-To-Fluid Gradient Of Glucose And Lactate As Biomarkers In The Early Diagnosis Of Septic Peritonitis In Dogs, Silpa Sn, Sujata Turkar, Neetu Saini, Sushma Chhabra, Kuldip Gupta, Gursimran Filia

Turkish Journal of Veterinary & Animal Sciences

Septic peritonitis is a serious, life-threatening condition with a high mortality rate. Accurate diagnosis is crucial for the survival of the affected animal. The present study analyzed the use of a blood-to-fluid gradient of glucose and lactate as a biomarker in the diagnosis of septic peritonitis. Thirteen dogs with septic peritonitis and nine dogs with aseptic peritonitis were included in this study. Blood-to-fluid glucose gradient was significantly high, and blood-to-fluid lactate gradient was significantly low in septic peritonitis compared with the aseptic peritonitis. A blood-to-fluid glucose gradient of ≥12 mg/dL showed 100% sensitivity and 55.6% specificity, whereas a blood-to-fluid lactate …


Determination Of The Cecal Microbiota Profile Of Anadolu-T Broiler Breeder Chickens Using 16s Metagenomic Sequencing, Kürşat Teti̇k, İsmai̇l Özkan, Serpi̇l Kahya Demi̇rbi̇lek Dec 2025

Determination Of The Cecal Microbiota Profile Of Anadolu-T Broiler Breeder Chickens Using 16s Metagenomic Sequencing, Kürşat Teti̇k, İsmai̇l Özkan, Serpi̇l Kahya Demi̇rbi̇lek

Turkish Journal of Veterinary & Animal Sciences

The gut microbiota has significant effects on the performance, health status, and immune systems of chickens. The complex microbial community structure begins to form after chicks hatch with the intake of feed, water, and air into the digestive system. Disrupting the balance of this system can lead to the proliferation of pathogenic microorganisms. Until recently, studies on microbiota relied on traditional microbiological techniques that cultured only a small fraction of the microbial diversity. However, significant advancements in DNA sequencing and bioinformatics have enabled the identification of diverse bacterial populations in environmental samples. In this study, a total of 2000 broiler …


Parameter Optimization For Runs Of Homozygosity (Roh) Detection In The Pig Genome, Timofey Romanets, Anna Korobeynikova, Lyubov Getmantseva, Maria Kolosova, Elena Romanets, Ilona Bakoeva, Varvara Shevtsova, Anatoly Kolosov, Alexander Maksimov, Siroj Bakoev Dec 2025

Parameter Optimization For Runs Of Homozygosity (Roh) Detection In The Pig Genome, Timofey Romanets, Anna Korobeynikova, Lyubov Getmantseva, Maria Kolosova, Elena Romanets, Ilona Bakoeva, Varvara Shevtsova, Anatoly Kolosov, Alexander Maksimov, Siroj Bakoev

Turkish Journal of Veterinary & Animal Sciences

The present study analyses the influence of various parameters on the accuracy and reliability of ROH identification procedures, as well as their relationship with inbreeding and genetic diversity in Duroc pig populations. The genotyping data of 70 Duroc pigs obtained using PorcineSNP80v1 chips were used, and the effects of LD pruning and ROH calling parameters were evaluated. It was found that the use of strict basic filters during the execution of the --homozyg command reduces the likelihood of false positives and contributes to the more accurate identification of ROH. The results show that LD pruning reduces the detection of random …


Determination Of Serum Cortisol Levels As A Stress Marker In Hospitalized Dogs, Emre Tüfekçi̇, Gencay Eki̇nci̇, İlknur Karaca Bekdi̇k, Ali̇ Cesur Onmaz, Öznur Aslan, Vehbi̇ Güneş, İhsan Keleş, Mehmet Çi̇ti̇l Dec 2025

Determination Of Serum Cortisol Levels As A Stress Marker In Hospitalized Dogs, Emre Tüfekçi̇, Gencay Eki̇nci̇, İlknur Karaca Bekdi̇k, Ali̇ Cesur Onmaz, Öznur Aslan, Vehbi̇ Güneş, İhsan Keleş, Mehmet Çi̇ti̇l

Turkish Journal of Veterinary & Animal Sciences

In veterinary medicine, various diseases and surgical procedures may require the isolation and hospitalization of dogs, allowing for more effective individual patient monitoring and increasing the chance of successful treatment by preventing unnecessary drug use. However, this process can be stressful. Our study aimed to determine the changes in cortisol levels, one of the primary stress hormones responsible for stress responses, in individually hospitalized dogs. In addition, epinephrine (EPN) levels, another stress marker, as well as hematological and some biochemical values were measured and vital signs were recorded. The dogs included in the study were divided into 3 groups: healthy, …


The Influence Of Endocrine Disrupters On Gut Microbiota, Kader Ugur Dec 2025

The Influence Of Endocrine Disrupters On Gut Microbiota, Kader Ugur

Turkish Journal of Medical Sciences

Endocrine disruptors (EDs) are closely associated with the second brain, the microbiota-derived enteric nervous system, commonly referred to as the gut microbiota. The microbiota plays a crucial role in human health and the development of diseases. In today’s industrialized world, the presence of EDs in air, water, and soil leads to primary human exposure through dermal contact and ingestion. The impact of these EDs on the microbiota remains unclear. EDs that disrupt the balance of the gut microbiota may contribute to a range of disorders, including metabolic (obesity, diabetes mellitus), cardiovascular (vascular stenosis, cerebrovascular disease), reproductive (infertility, ovarian and testicular …


Endocrine-Disrupting Chemicals And Thyroid Cancer, Özge Baş Aksu, Mustafa Şahi̇n Dec 2025

Endocrine-Disrupting Chemicals And Thyroid Cancer, Özge Baş Aksu, Mustafa Şahi̇n

Turkish Journal of Medical Sciences

Environmental endocrine-disrupting chemicals (EDCs) have emerged as a critical global health concern because of their role in various diseases, including thyroid cancer. Defined as exogenous substances that disrupt endocrine system functions, EDCs can affect multiple generations through mechanisms such as hormone receptor modulation, altered hormone synthesis, and epigenetic modifications.The increasing global incidence of thyroid cancer has heightened interest in environmental factors, with EDC exposure recognized as a significant contributor. Compounds such as heavy metals, persistent organic pollutants, per- and polyfluoroalkyl substances, and bisphenol A play crucial roles in disrupting thyroid homeostasis. Emerging evidence underscores the synergistic effects of multiple EDC …


Effects Of Endocrine Disruptors On The Neurological System, Kadi̇rcan Karatoprak, Soner Cander Dec 2025

Effects Of Endocrine Disruptors On The Neurological System, Kadi̇rcan Karatoprak, Soner Cander

Turkish Journal of Medical Sciences

Background/aim: There is increasing interest in endocrine disrupting chemicals because of the potential effects on neurological health. These chemicals are widely found in various consumer products and industrial processes, and can lead to serious disorders of the endocrine system by disrupting hormone synthesis, expression, and function. The aim of this review was to examine epidemiological and experimental findings by investigating the link between exposure to endocrine disrupting chemicals and adverse neurological outcomes.

Materials and methods: In the preparation of this review, a PubMed literature search was conducted using the words “endocrine disruptors,” “neuroendocrine effects,” “neurobehavioral effects,” and “neurodevelopmental effects” and …


Endocrine Disruptors And Pregnancy, Betül Yi̇ği̇t Yalçin, Gamze Bi̇li̇k Oyman, Ayşe Kubat Üzüm Dec 2025

Endocrine Disruptors And Pregnancy, Betül Yi̇ği̇t Yalçin, Gamze Bi̇li̇k Oyman, Ayşe Kubat Üzüm

Turkish Journal of Medical Sciences

Sensitivity to endocrine disruptors is higher in early life. In pregnant women, endocrine disruptor chemicals can be passed to the baby through the placenta or through breast milk during lactation, leading to long-term and permanent adverse effects. These endocrine disruptors may cause adverse effects in women such as infertility, implantation defects, premature birth, spontaneous abortions, gestational hypertension, gestational diabetes. Exposure to endocrine disruptors in the intrauterine period may result in adverse effects on the reproductive system, metabolic changes, low birth weight, retardation in mental and physical development and also may be associated with congenital malformations. It is of great importance …


Endocrine Disruptors, Insulin Resistance, And Diabetes, Meri̇ç Coşkun, Ethem Turgay Ceri̇t, Tuğba Barlas, Alev Eroğlu Altinova Dec 2025

Endocrine Disruptors, Insulin Resistance, And Diabetes, Meri̇ç Coşkun, Ethem Turgay Ceri̇t, Tuğba Barlas, Alev Eroğlu Altinova

Turkish Journal of Medical Sciences

Endocrine-disrupting chemicals (EDCs) are compounds that interfere with hormone synthesis, secretion, metabolism, or excretion. Evidence indicates that increased exposure to EDCs is associated with insulin resistance and, most notably, type 2 diabetes worldwide. This suggests a diabetogenic effect that is independent of obesity, underscoring the complex mechanisms and broad impact of EDCs on metabolic health. Key pathways include hormone mimicry and antagonism, altered hormone metabolism, inflammatory responses, and mitochondrial dysfunction. This review summarises the mechanisms through which EDCs contribute to these conditions and evaluates the epidemiological and experimental evidence supporting these associations.


The Effects Of Endocrine Disruptors On The Female Reproductive System, Riza Gökhan Baykal, Reyhan Ersoy Dec 2025

The Effects Of Endocrine Disruptors On The Female Reproductive System, Riza Gökhan Baykal, Reyhan Ersoy

Turkish Journal of Medical Sciences

Endocrine-disrupting chemicals (EDCs) are a diverse, comprehensive group of mostly synthetic chemicals that disrupt many physiological functions in humans and animals. EDCs are particularly disruptive to the female reproductive system. Reproductive function in women is a dynamic process regulated by the hypothalamic–pituitary–ovarian axis. EDCs show their effects on the reproductive system through estrogenic, antiestrogenic, androgenic, and antiandrogenic effects or by directly affecting gonadotropin-releasing hormone secretion. Disruption in the menstrual cycle, decrease in fertility, infertility, increased risk of miscarriage, polycystic ovary syndrome, endometriosis, early or delayed puberty, and hormone-sensitive cancers can be listed as the main negative effects of endocrine disruptors …


Effects Of Endocrine Disruptors On Thyroid Hormone Synthesis And Function And Consequences Of Fetal Exposure, Esra Eraslan Aydemi̇r, Mustafa Şahi̇n Dec 2025

Effects Of Endocrine Disruptors On Thyroid Hormone Synthesis And Function And Consequences Of Fetal Exposure, Esra Eraslan Aydemi̇r, Mustafa Şahi̇n

Turkish Journal of Medical Sciences

Fetal development relies on intricate maternal-fetal-placental interactions, with thyroid hormones playing a critical role in growth and neurogenesis. Exposure to endocrine-disrupting chemicals (EDCs) during pregnancy has emerged as a significant risk factor for thyroid dysfunction and its associated developmental and cognitive disorders. EDCs, including bisphenol A (BPA), polychlorinated biphenyls (PCBs), polybrominated diphenyl ethers (PBDEs), perfluorinated compounds (PFAS), pesticides, and heavy metals, disrupt thyroid hormone synthesis, secretion, and metabolism. Mechanisms include binding to thyroid hormone receptors, impairing the hypothalamic-pituitary-thyroid axis, and altering thyroid peroxidase activity. BPA exposure, for instance, reduces free and total T4 levels and interferes with deiodinase activity. Similarly, …


In Recent Research: Exosomal And Molecular Regulators Of Browning And Thermogenesis In Adipose Tissues, Merve İnel, Bahadir Öztürk Dec 2025

In Recent Research: Exosomal And Molecular Regulators Of Browning And Thermogenesis In Adipose Tissues, Merve İnel, Bahadir Öztürk

Turkish Journal of Medical Sciences

This review synthesizes current knowledge on the molecular mechanisms regulating brown, white, and beige adipose tissues, with particular emphasis on the browning process of white adipose tissue. Rather than considering adipose tissue as a passive energy reservoir, this review underscores its active role as a dynamic endocrine and metabolic organ. Brown and beige adipose tissues, recognized for their thermogenic capacity and contribution to energy expenditure, have emerged as promising therapeutic targets for the treatment of obesity, type 2 diabetes, and related metabolic disorders. The review draws upon recent findings on adrenergic signaling, transcription factors, exosomal microRNAs, and other novel regulatory …


The Impact Of Hypophosphatemia On Biochemical Profile And Renal Outcomes In Primary Hyperparathyroidism: A Nationwide Retrospective Study, Nai̇m Ata, Beki̇r Uçan, Hali̇l Durantaş, Oğulcan Boz, Mustafa Şahi̇n, Mustafa Mahi̇r Ülgü, Şuayi̇p Bi̇ri̇nci̇, Muhammed Kizilgül Dec 2025

The Impact Of Hypophosphatemia On Biochemical Profile And Renal Outcomes In Primary Hyperparathyroidism: A Nationwide Retrospective Study, Nai̇m Ata, Beki̇r Uçan, Hali̇l Durantaş, Oğulcan Boz, Mustafa Şahi̇n, Mustafa Mahi̇r Ülgü, Şuayi̇p Bi̇ri̇nci̇, Muhammed Kizilgül

Turkish Journal of Medical Sciences

Background/aim: Although low phosphorus (P) concentrations are a recognized feature of primary hyperparathyroidism (PHPT), they are not among the diagnostic or surgical criteria. The present study evaluates the association between serum phosphorus levels and clinical outcomes in PHPT patients.

Materials and methods: A search of the Turkish Ministry of Health’s National Electronic Database was conducted using ICD-10 diagnostic codes and laboratory data to identify PHPT cases within the Turkish population from 2017 to 2022.

Results: The records of a total of 113,330 PHPT patients (77.5% female; mean age 58.9 ± 15.6 years) were analyzed, revealing a mean serum phosphorus level …


Relcovaptan: A Promising Therapeutic Agent In Traumatic Spinal Cord Injury That Acts By Modulating Newly Identified Transcriptional Regulators Of Aquaporins Compared To Tolvaptan, Şeyma İş, Duygu Ceman, Meri̇h İş, Neşe Keser, Şaban Teki̇n Dec 2025

Relcovaptan: A Promising Therapeutic Agent In Traumatic Spinal Cord Injury That Acts By Modulating Newly Identified Transcriptional Regulators Of Aquaporins Compared To Tolvaptan, Şeyma İş, Duygu Ceman, Meri̇h İş, Neşe Keser, Şaban Teki̇n

Turkish Journal of Medical Sciences

Background/aim: Every year, hundreds of thousands of people worldwide suffer from traumatic spinal cord injury (tSCI), which causes irreversible damage, edema, and inflammation. Despite its devastating impact, no safe and effective medication is available. Edema formation is one of the earliest pathological events in tSCI, beginning within minutes after injury. Cytotoxic edema progresses to vasogenic edema, exacerbating irreversible damage. Our study aimed to investigate a therapeutic approach targeting cytotoxic edema in the acute phase of tSCI to improve treatment outcomes. Aquaporins (AQPs) are crucial in edema formation and tSCI pathogenesis. Vasopressin, also known as the antidiuretic hormone, modulates Aqp expression …