WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

Permanent URI for this collectionhttps://hdl.handle.net/20.500.14365/5

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The Role of Greater Occipital Nerve Blockade in Craniofacial Pain
(BMC, 2025) Poyraz, Turan
Vector Microbiota and Parasite Infection: Bacteria-Mediated Effects on Leishmania in Phlebotomus Papatasi and Culture
(Taylor & Francis Ltd, 2025) Bicakci, Cagla; Cavus, Ibrahim; Tunali, Varol; Ozel, Yener; Ozbilgin, Ahmet; Alten, Bulent; Vaselek, Slavica
Microbes are increasingly being explored as tools to control leishmaniasis and sandfly populations. This study investigated the interactions between sandflies, Leishmania, and their microbiota.MethodsThe in vitro and in vivo survival and development of Leishmania major in the presence of seven bacterial species were assessed. In vitro experiments included Leishmania co-cultures with bacteria applied at different concentrations (102-108 CFU/ml), monitoring parasite survival/development at early (30-120 min) and late (12-240 h) time points. In vivo experiments in Phlebotomus papatasi examined Leishmania infection rate and intensity on days 2, 6, and 8 post co-infection with the same bacterial species (108 CFU/ml).ResultsAll bacteria demonstrated negative effects on Leishmania survival and development. Under in vitro conditions, the speed of Leishmania ablation (48-216 h) depended on the bacterial species and concentration, impacting Leishmania motility and viability, and halting the development of metacyclic forms. In vivo studies demonstrated that bacterial overgrowth negatively impacted the intensity of Leishmania infection and percentage of stomodeal valve colonization (27.58-82.14%).ConclusionsThe observed effect of bacteria on Leishmania under in vitro and in vivo conditions points out toward the potentially greater role of microbes in Leishmania survival in vectors, highlighting the need for deeper investigations of sandfly-Leishmania-microbiota interactions.
Editors Introduction: Fall 2025
(Cambridge Univ Press, 2025) Dincer, Evren M.; Yukseker, Deniz; Kolluoglu, Biray
Comparisons Between Young, Aged, and Alzheimer's Brains Reveal Specific Expression Patterns for a Subset of Transposons and Satellite Repeats
(Indian Acad Sciences, 2025) Turan, Elif; Celtik, Busranur; Daglar, Gokce; Kaya, Ilayda; Tufekci, Mert; Yandim, Cihangir
Recent studies have highlighted the involvement of repeat-derived transcripts in the pathological transcriptome of Alzheimer's disease (AD). However, it remains unclear whether these transcripts arise as a consequence of aging or are directly associated with AD pathology. Particularly, the specific contribution of satellite repeats to this phenomenon has not been systematically investigated. In this study, we profiled the non-coding expression patterns of all repetitive DNA elements - including satellites - across healthy young, healthy aged, and aged AD brain samples. Comparative transcriptome analysis revealed only a single differentially expressed repeat between aged and young brains. In contrast, AD brains exhibited significant expression changes in eight specific repeat elements relative to their healthy aged counterparts. Among these AD-specific repeats, the satellite repeat HSATII showed the highest fold change and a modest increase in histone acetylation levels, suggesting potential regulatory or feedback mechanisms in AD pathology. Weighted Gene Co-Expression Network Analysis (WGCNA) identified modules of co-expressed genes and repeats, revealing a network moderately correlated with the AD phenotype and indicating complex interactions between repeats and genes during disease onset. Collectively, our comprehensive analysis of repeat expression in post-mortem human AD brains demonstrates alterations in transposon and satellite repeat expression patterns that are distinct from age-related changes
Retraction: The Nexus Between Urbanization, Renewable Energy Consumption, Financial Development, and CO2 Emissions: Evidence From Selected Asian Countries
(Springer, 2025) Anwar, Ahsan; Sinha, Avik; Sharif, Arshian; Siddique, Muhammad; Irshad, Shoaib; Anwar, Waseem; Malik, Summaira
A Review of the Literature on Language Teacher Researcher Identity: Tensions and Their Resolutions
(Sage Publications Ltd, 2025) Mumford, Simon; Dikilitas, Kenan
The resolution of identity tensions has become an important theme in language teacher identity development, but an identity tension approach to language teacher researcher identity is missing from the literature. This systematic literature review examines the inherent tensions and conflicts in teacher researcher identity development. A search across multiple academic databases yielded studies that problematize identity conflicts and tensions. We reviewed a total of 25 studies published between 2008 and 2024 and analysed how challenges related to teachers' engagement in research shape the experiences of teachers who engage in various forms of research. After compiling a list of tensions across studies, the authors used thematic analysis to determine three categories of tensions: those relating to the research itself, teacher researchers, and institutions. The review highlights the contextualized nature of tensions, which depend on factors such as the type of institution, teacher profile, and the purpose of the teacher research (TR) (e.g. formal or informal teacher education), and underlines that tensions can interact in complex ways, across the three levels. Further analysis revealed sub-categories with each level and found important sub-themes of conceptual tensions relating to teachers, and values-related and resource-related tensions associated with institutions. The review points to the relationship between these key sub-themes, and the role of the institution in providing the practical and motivational support to counteract the cognitive dissonance caused by challenges, and enable teachers to take on researcher identities. The review also underlines a need for a partnership between teachers and institutions, and a three-point strategy is proposed, setting out the responsibilities of each side.
Graviton Creation by the Dynamical Casimir Effect in Inspiraling Neutron Star Systems
(World Scientific Publ Co Pte Ltd, 2025) Pinto, Fabrizio
It is shown that the exceedingly dense interiors of neutron stars can act as moving gravitational wave-reflecting boundaries in an optical cavity. The orbital motion of the mergers causes a gravitational dynamical Casimir effect, with consequent creation of gravity quanta from the vacuum and parametric amplification of the graviton flux. The challenges and limitations of the model are discussed, along with realistic observation and detection strategies.
Prognostic Significance of Oligoclonal Bands and Their Subtypes in Relapsing-Remitting Multiple Sclerosis
(Elsevier Sci Ltd, 2025) Ozakbas, Serkan; Alizada, Said; Cevik, Sumeyye; Samadzade, Ulvi; Yapici, Nurbanu Aygunduz; Zengin, Ela Simay; Caliskan, Can
Objective: To investigate the long-term prognostic significance of cerebrospinal fluid oligoclonal band (OCB) positivity and its subtypes (Type 2 and Type 3) in patients with relapsing-remitting multiple sclerosis (RRMS). Methods: This retrospective cohort included 2324 RRMS patients diagnosed using the 2017 McDonald criteria. All patients had documented OCB status and at least 2 years of clinical follow-up; a subset had 5-year data. Outcomes included Expanded Disability Status Scale (EDSS), annualised relapse rate (ARR), and conversion to secondary progressive MS (SPMS). Subgroup analysis compared Type 2 and Type 3 OCBpositive patients. Results: OCB positivity was observed in 82.4 % of patients. At year 2, no significant differences in EDSS, ARR, or SPMS conversion were found between OCB-positive and OCB-negative groups. However, by year 5, the OCBpositive group had a significantly higher rate of conversion to SPMS (p < 0.05). Subgroup analysis showed that Type 3 OCB patients had significantly lower EDSS scores at year 2 compared to Type 2 (p < 0.05), but this difference disappeared at year 5. Conclusion: OCB positivity may be associated with a higher risk of progression to SPMS over the long term. Type 3 OCB may indicate a milder early disease course, although its protective effect diminishes over time. Incorporating OCB subtype analysis into RRMS prognosis may enhance early risk stratification.
A Molecular Docking and Glycoinformatics Approach Reveals Viral NS4A-Human Sec61G Interaction in Zika/Dengue Infections
(Taylor & Francis Ltd, 2025) Uslupehlivan, Muhammet; Deveci, Remziye
Zika (ZIKV) and Dengue virus (DENV) are transmitted to humans via Aedes mosquitoes, collectively infecting approximately 400 million individuals annually. Both viruses replicate on the endoplasmic reticulum membrane, where the NS4A protein serves as a key component of the viral replication complex and mediates interactions with the host Sec61G protein. Although host glycosylation enzymes have been reported to interact with NS4A, the three-dimensional structure of NS4A, potential glycosylation sites, precise interaction interfaces with Sec61G, and the functional role of glycosylation in these interactions remain largely unknown. This study aims to characterize the molecular determinants of NS4A - Sec61G interactions to provide insights into virus-host interactions. Structures of NS4A proteins were predicted via molecular modeling. Glycosylation sites were identified using glycoinformatics analyses, and NS4A - Sec61G interactions were assessed using three distinct molecular docking programs to ensure reliability and cross-validation of predicted binding modes. Glycosylation analysis revealed that only NS4A from ZIKV contains O-glycosylation sites. Docking simulations highlighted Arg127 in NS4A ZIKV, and Arg76 and Glu124 in NS4A DENV as critical residues potentially mediating stable interactions with Sec61G. These residues likely play essential roles in NS4A - Sec61G interactions, and their identification may contribute to the development of effective therapeutic strategies targeting both viral and host factors.
Impact of Inspiratory Muscle Strength and Lung Function on Functional Exercise Capacity in Post-Myocardial Infarction Patients: A Cross-Sectional Study
(Galenos Publ House, 2025) Aktan, Ridvan; Aktan, Ozge Ocaker; Ozalevli, Sevgi; Dursun, Huseyin
Objective: This study aims to investigate the contribution of lung function and respiratory muscle strength in predicting functional exercise capacity in post-myocardial infarction (MI) subjects. MATERIAL AND METHODS: This cross-sectional study included 56 stable post-MI subjects. Lung function was assessed using a digital spirometer, and respiratory muscle strength was measured using an intraoral pressure meter. The 6-minute walk distance (6MWD) was conducted to assess functional exercise capacity. Correlations and multiple regression analyses were performed to evaluate predictors of 6MWD, considering demographic factors, lung function, and respiratory muscle strength. The Bland-Altman plot was used to investigate the agreement between observed and predicted 6MWDs. RESULTS: Significant positive correlations were found between 6MWD and forced vital capacity (FVC)(%predicted )(r = 0.528, P = 0.022) and maximum inspiratory pressure (MIP)(%predicted )(r = 0.640, P = 0.022). Age (r = -0.350, P = 0.008) and body mass index (BMI) (r= -0.561, P < 0.001) were negatively correlated with 6MWD. The best regression model included MIP%predicted (beta = 0.332, P = 0.002), BMI (beta = -0.264, P = 0.012), being male (beta = 0.262, P = 0.003), age (beta = -0.210, P = 0.020), and FVC%predicted (beta = 0.219, P = 0.026) as significant unique contributors. The final multiple linear regression model was significant [F (5, 50) = 19.08, P < 0.001] and explained 65.6% of the variance (R-2 = 0.656) in the 6MWD. CONCLUSION: Lung function and respiratory muscle strength significantly contribute to functional exercise capacity in post-MI. This study emphasizes the importance of comprehensive respiratory function assessments in rehabilitation strategies to improve exercise capacity in patients with post-MI.
Intra- and Interobserver Reproducibility of Placental Shear Wave Elastography Measurements
(Wiley, 2025) Cakir, Zubeyde Emiralioglu; Can, Sevim Tuncer; Golbasi, Hakan; Bayraktar, Burak; Gercik, Ilayda; Aktas, Hale Ankara; Ekin, Atalay
Objectives To evaluate the intra- and interobserver reproducibility of placental shear wave elastography (SWE) in healthy third-trimester singleton pregnancies.Methods This prospective study included 80 women with singleton pregnancies between 28 and 37 weeks of gestation. Placental stiffness was measured using point SWE at central and peripheral regions. Each participant was evaluated twice by 1 observer and once by another. Intraclass correlation coefficients (ICCs) were calculated to assess reproducibility.Results Placental SWE showed moderate reproducibility. In anterior placentas, intraobserver ICCs were 0.681 for peripheral and 0.715 for central regions, while interobserver ICCs were 0.630 and 0.701, respectively. In posterior placentas, intraobserver ICCs were 0.785 for peripheral and 0.765 for central regions, with interobserver ICCs of 0.717 and 0.753, respectively. In the total cohort, peripheral SWE velocity had an intraobserver ICC of 0.728 and interobserver ICC of 0.672, while central SWE velocity demonstrated comparable values, with intraobserver ICC of 0.729 and interobserver ICC of 0.727.Conclusion Placental SWE demonstrated moderate intra- and interobserver reproducibility, with minor variations depending on placental location. Despite these differences, measurement reliability was sufficiently acceptable to support its feasibility as a noninvasive adjunct in placental assessment.
Citation - WoS: 1
Making Homes: Ethnography and Design
(Routledge Journals, Taylor & Francis Ltd, 2025) Nasir, Esra Bici
Reflection on Designing: Metacognitive Interventions to Enhance Metacognitive Awareness, Motivation, and Performance in Design Learning
(Springer, 2025) Yazici, Gizem; Dogan, Fehmi
Design education involves ill-defined problem-solving that demands both creativity and self-regulation. While metacognitive awareness significantly enhances learning outcomes and motivation, there is limited empirical evidence on how to systematically foster this skill in design studios. This study aims to investigate whether metacognitive interventions increase architecture students' metacognitive awareness levels, academic goal orientations, and design course success. In a quasi-experimental design, 84 third-year architecture students were divided into experimental (n = 58) and control (n = 26) groups. Pre-post-test data were collected using the MAI and AGOQ scales. Three structured interventions were implemented in the experimental group over six weeks. In the students who received the interventions, significant increases were observed in metacognitive awareness, mastery-performance goal orientation, and design course grades. In students with high awareness, mastery orientation, metacognitive awareness, and design course grades increased significantly, while in students with low awareness, metacognitive awareness and performance orientation increased. Pretest MAI and AGOQ scores accounted for 72.8% of the variance in grades, with MAI showing the strongest positive influence. Learning and proving orientations were moderately and positively correlated to grades, while avoidance orientation showed a moderate negative correlation. Metacognitive interventions enhance learning outcomes in design education by supporting metacognition and motivation.
Space-Magnitude Associations Modulate the Familiar-Size Stroop Effect in Visual Size Judgments
(Springer Heidelberg, 2025) Dural, Seda; Sefikoglu, Melike; Cetinkaya, Hakan
The familiar-size Stroop effect shows how prior knowledge of an object's real-world size influences visual size judgments, slowing reactions when familiar and visual sizes conflict. This study examined how space-magnitude associations, specifically mental number line (MNL) compatibility, interact with Stroop congruency. Participants compared the visual sizes of two objects, ignoring real-world sizes, and identified either the smaller or the larger object across four conditions: Stroop-congruent/MNL-compatible, Stroop-congruent/MNL-incompatible, Stroop-incongruent/MNL-compatible, and Stroop-incongruent/MNL-incompatible. Tasks followed small-then-large or large-then-small identification sequences. Results showed MNL compatibility modulates Stroop interference: MNL-compatible (small-left, large-right) presentations reduced interference, while MNL-incompatible (large-left, small-right) presentations increased it, depending on task type and order. RT distribution analyses revealed MNL effects emerged in slower bins for Stroop-congruent trials and faster bins for Stroop-incongruent trials within small-then-large sequences. These findings suggest that space-magnitude associations shape the familiar-size Stroop effect, revealing a complex relationship between spatial and conceptual representations in size judgment.
Familial Multiple Sclerosis Is Associated With Accelerated Progression to Secondary Progressive Phase: A Retrospective Single-Center Cohort Study
(Springer Heidelberg, 2025) Ozakbas, Serkan; Alizada, Said; Caliskan, Can; Simsek, Yasemin; Zengin, Ela Simay
Background Familial multiple sclerosis (MS), defined by the occurrence of MS in one or more relatives, is thought to represent a genetically influenced subtype of the disease. Objective To compare clinical progression, cerebrospinal fluid (CSF) parameters, and treatment responses between familial and sporadic MS patients. Methods We conducted a retrospective analysis of 1,035 patients diagnosed with MS according to the 2017 McDonald criteria (523 familial, 512 sporadic). Demographic variables, MS subtypes, expanded disability status scale (EDSS) scores, CSF oligoclonal band (OCB) status, IgG index, and treatment regimens were evaluated. Statistical tests included t tests, chi-square, and multivariable regression. Results Familial MS patients showed a higher incidence of secondary progressive MS (10.9%) compared to sporadic cases (7.0%, p = 0.030). Disease duration was significantly longer in familial MS (14.5 vs. 12.3 years, p < 0.01) though time to diagnosis did not differ. OCB positivity rates were comparable, but the IgG index was significantly elevated in familial MS (p < 0.01). Treatment responses did not differ between groups. Conclusion Familial MS is associated with more rapid disease progression and enhanced humoral immune activation, suggesting a distinct phenotype. These findings support the need for genetic and immunologic investigations to guide personalized treatment strategies.
Toward a New Era in Fracture Imaging: Zero Echo Time MRI vs CT in Intra-Articular Distal Radius Fractures - A Proof-Of Study
(Elsevier Sci Ltd, 2025) Kaymakoglu, Mehmet; Kolac, Ulas Can; Bahsi, Arda; Filibeli, Mert; Turken, Mehmet Aykut; Dogan, Kamil; Sahin, Erkan
Background: Computed tomography (CT) is the current reference standard for evaluating intra-articular distal radius fractures, however concerns remain regarding radiation exposure and limited soft tissue assessment. Zero Echo Time (ZTE) MRI is a novel technique that enables direct cortical bone imaging with contrast similar to CT, while avoiding radiation. This proof-of-concept study aimed to compare the diagnostic performance of ZTE MRI with CT in fracture classification, articular involvement, and treatment planning. Methods: In this prospective comparative study, 28 patients with acute intra-articular distal radius fractures underwent both CT and ZTE MRI within 7 days of injury. Fractures were classified according to AO/OTA, Fernandez classifications, quantitative parameters (angulation, radial inclination, ulnar variance, articular fragment count) and binary findings (distal ulna fracture, distal radioulnar joint (DRUJ) involvement) were assessed. Two orthopedic surgeons and two musculoskeletal radiologists independently reviewed all images. Inter- and intraobserver agreement was calculated using Cohen's and Fleiss' kappa and intraclass correlation coefficients. Results: Agreement among surgeons for AO/OTA classification was good on CT (kappa = 0.767) and good on ZTE MRI (kappa = 0.680). For Fernandez classification, agreement was good on CT (kappa = 0.780) and ZTE (kappa = 0.736). Surgeons demonstrated higher agreement (kappa approximate to 0.68-0.78) than radiologists (kappa approximate to 0.56-0.65). For binary parameters, agreement among radiologists was very good (kappa = 0.820-0.880), while inter-surgeon agreement ranged from moderate to good (kappa = 0.500-0.714). Continuous measures showed good reproducibility for angulation (ICC = 0.762-0.858), but lower values for inclination among surgeons (ICC <= 0.492-0.531). ZTE MRI demonstrated sensitivity, specificity, and accuracy comparable to CT for classification and detection of DRUJ involvement and distal ulna fractures (approximately 85-93 %). Treatment decisions showed very good agreement (kappa = 0.855), with ZTE altering CT-based management in 3/28 (10.7 %) cases for Surgeon 1 and 2/28 (7.1 %) for Surgeon 2. Conclusion: ZTE MRI provides diagnostic performance comparable to CT for intra-articular distal radius fractures, with high reliability for fracture classification, joint involvement, and treatment decision-making. As a radiation-free modality that also permits concurrent soft tissue assessment, ZTE MRI may serve as a promising alternative to CT in selected clinical scenarios.
Evaluation of Sleep Quality After Reverse Shoulder Arthroplasty in Rotator Cuff Tear Arthropathy Patients
(Springer, 2025) Kaymakoglu, Mehmet; Kolac, Ulas Can; Ayik, Gokhan; Ibik, Serkan; Ozdemir, Erdi; Huri, Gazi
Purpose Sleep disturbance is common in patients with rotator cuff tear arthropathy (RCTA). While reverse shoulder arthroplasty (RSA) is effective for improving pain and function, its effect on sleep quality (SQ) has not been well defined. This study aimed to evaluate the impact of RSA on SQ, recovery trajectory, and clinical outcomes. Methods This retrospective study included patients with RCTA who underwent RSA between 2014 and 2021 with a minimum follow-up of 24 months. SQ and clinical outcomes were assessed using the Visual Analog Scale (VAS), Simple Shoulder Test (SST), American Shoulder and Elbow Surgeons (ASES) score, Pittsburgh Sleep Quality Index (PSQI), and Jenkins Sleep Scale (JSS). Preoperative and postoperative values were compared to evaluate changes over time. Results Forty-six patients (mean age, 68 years) with a mean follow-up of 5.7 years were included. Sleep disturbance was reported by 45.7% of patients preoperatively, decreasing to 26.1% at three months and 21.7% at the last follow-up (p < 0.001). Median PSQI scores improved from 6 preoperatively to 5 at three months and remained stable thereafter. The mean ASES score increased from 40.2 preoperatively to 62.2 postoperatively (p < 0.001), and the average VAS score decreased from 6.0 to 2.0 by six months (p < 0.001). Conclusion RSA leads to improvements in sleep and function in RCTA patients, though gains plateau with time. Future studies using objective sleep measures may further refine rehabilitation outcomes.
Framing Silence in Southeast Anatolia: Confined Spaces, Subdued Bodies of Women in Turkish Cinema
(Routledge Journals, Taylor & Francis Ltd, 2025) Avci, Deniz; Dogu, Tuba; Cagatay, Gokce
This paper looks at the representation of women's silence as a deliberate survival strategy in Turkish cinema with a focus on a socio-politically scarred region of Southeast Anatolia in 1960-1990. Drawing from feminist scholarship, architectural theory and film studies, the research explores how cinema portrays silence as women's negotiation against patriarchal oppression. Situating women in this cinematic geography, the analysis is through two complementary views. One is the patriarchal perspective, where the camera frames spaces and bodies in ways which render women silent and immobile. From this perspective, silence may confirm male authority over space and body. However, in the second perspective, i.e. women's lived experience, the same silence is re-assessed as an active form of collective endurance and self-protection. By limited public visibility, gesture and speech, women create networks to secure themselves, evade harassment and share resources. These perspectives, analyzed with recurring cinematic motifs such as ceremonies, customs and traditions, and daily life practices, reveal how spatial and bodily silences become survival tactics against oppression and subjugation. Hence timely, this study centers silence as an agency that transforms confined spaces and subdued bodies into embodiments of survival.
Mediating Role of Future Fear of Violence Between the Direct Violence and Witnessed Violence and Psychological Capital: A Study of Doctors and Nurses
(BMC, 2025) Cakir, Orhan; Akkoc, Irfan; Arun, Korhan; Digrak, Ebru; Akkoc, Seher; Unlueroglugil, Hasibe Serap Uluirmak; Cakir, Cagri Isil
Healthcare professionals, particulary doctors and nurses, experience a complex relationship between direct violence and witnessed violence in the workplace. This study investigates how direct and witnessed violence affect psychological capital through the mediating role of future violence.MethodsA cross-sectional descriptive and correlational research design was employed in this study. Data were collected from health institutions in western T & uuml;rkiye, with a total of 420 doctors and nurses participating in this study. The data collection instruments included Personal Information Form, Exposure to Violence Scale, Fear of Future Violence Scale and Organizational Psychological Capital Scale. The analyze the data, regression techniques were employed to examine the direct effects of violence on psychological capital, as well as to explore the mediating role of future fear of violence in these relationships.ResultsThe analysis revealed a strong positive correlation between direct and witnessed workplace violence; however, future fear of violence did not significantly correlate with either. While future fear of violence was weakly but significantly associated with optimism and self-efficacy, it showed no significant relationship with resilience or hope. Direct violence showed no meaningful correlation with any psychological capital subdimension. Witnessed violence was negatively associated only with optimism. Furthermore, no mediating role of future fear of violence was found between workplace violence and psychological capital.ConclusionsThis study demonstrates limited effects of direct and witnessed workplace violence on the subdimensions of psychological capital. Future fear of violence was not found to significantly mediate the relationship between experiences of violence and psychological capital. These results suggest a more complex dynamic between workplace violence and employees' psychological capital, highlighting the need for further detailed research in this area.
Impact of Organizational Ethical Climate on the Task and Contextual Performance of Nurses Working in Healthcare Institutions: Mediating Role of Future Fear of Violence
(Routledge Journals, Taylor & Francis Ltd, 2025) Caliskan, Abdullah; Akkoc, Irfan; Arun, Korhan; Cakir, Orhan; Senuzun Aykar, Fisun
Implications and Objectives:This study investigates the role of future fear of violence in mediating the relationship between organizational ethical climate and job performance among nurses, as well as the impact of perceived and actual violence.Background:Growing concern about workplace violence in healthcare reveals a link between ethical climate and nursing outcomes. Understanding how ethical climate affects violence-related perceptions is especially important in developing countries.Methods:Data from 411 nurses were collected using a survey design, with the Organizational Ethics Climate, Future Fear of Violence, and Job Performance Scales. Structural equation modeling were used in the analysis.Results:Both contextual and task performance were positively influenced by ethical climate, with contextual performance having a stronger effect. Future fear of violence was linked to improved performance, indicating a motivational aspect of fear, whereas actual violence had a negative impact on both dimensions. The ethical climate was positively correlated with future fear of violence.Discussion and Conclusions:The findings suggest a complex relationship between ethical climate, fear of future violence, and job performance. The ethical climate improves performance while also increasing fear, possibly reflecting cultural dynamics in Turkiye.Implications for nursing policy:Policies should strengthen ethical climates and address workplace violence using culturally sensitive safety strategies.

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