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A Four-Center Study on the Activity of Aztreonam and Aztreonam-Avibactam Combination Against Clinical Isolates of Gram-Negative Bacilli Producing Representatives of Ambler Class A, B, C or D β-Lactamases 氨曲南与氨曲南-阿维巴坦联合用药对产Ambler A、B、C、D类代表革兰氏阴性杆菌临床分离株β-内酰胺酶活性的四中心研究
IF 2.2 4区 医学
Apmis Pub Date : 2026-09-14 DOI: 10.1111/apm.70265
Gizem İnce Ceviz, Hasan Cenk Mirza, Aylin Üsküdar Güçlü, Özlem Öğüç Şanlı, Özlem Kurt Azap, Banu Sancak, Elvan Hortaç İştar, Ahmet Başustaoğlu
{"title":"A Four-Center Study on the Activity of Aztreonam and Aztreonam-Avibactam Combination Against Clinical Isolates of Gram-Negative Bacilli Producing Representatives of Ambler Class A, B, C or D β-Lactamases","authors":"Gizem İnce Ceviz,&nbsp;Hasan Cenk Mirza,&nbsp;Aylin Üsküdar Güçlü,&nbsp;Özlem Öğüç Şanlı,&nbsp;Özlem Kurt Azap,&nbsp;Banu Sancak,&nbsp;Elvan Hortaç İştar,&nbsp;Ahmet Başustaoğlu","doi":"10.1111/apm.70265","DOIUrl":"10.1111/apm.70265","url":null,"abstract":"<p>We aimed to investigate the activity of aztreonam and aztreonam-avibactam combination against gram-negative bacilli producing different types of β-lactamases. Activity of aztreonam and aztreonam-avibactam against 166 isolates (33 AmpC-producing, 33 ESBL-producing, 66 carbapenemase-producing Enterobacterales, 34 metallo-β-lactamase-producing <i>P. aeruginosa</i>) from four centers in Türkiye was determined using gradient diffusion method. Aztreonam susceptibility rates among AmpC-producing, ESBL-producing and carbapenemase-producing Enterobacterales were 75.8%, 3% and 6.1%, respectively. All AmpC-producing or ESBL-producing Enterobacterales were susceptible to aztreonam-avibactam. ESBL-producing <i>K. pneumoniae</i> had significantly higher aztreonam-avibactam MICs compared with ESBL-producing <i>E. coli</i>. <i>K. pneumoniae</i> carrying <i>bla</i><sub><i>CTX</i>-M</sub> + <i>bla</i><sub>SHV</sub> + <i>bla</i><sub>TEM</sub> had significantly higher aztreonam-avibactam MICs when compared to those carrying only <i>bla</i><sub>CTX-M</sub>. Aztreonam-avibactam susceptibility rate among carbapenemase-producing <i>K. pneumoniae</i> (100%) was significantly higher than that observed for carbapenemase-producing <i>E. coli</i> (65%). Metallo-β-lactamase-producing <i>P. aeruginosa</i> had significantly higher aztreonam-avibactam MICs (MIC<sub>50/90</sub>: 16/96 mg/L) when compared to metallo-β-lactamase-producing Enterobacterales (MIC<sub>50/90</sub>: 0.19/8 mg/L). Aztreonam-avibactam may be an option for treatment of infections caused by ESBL-producing or AmpC-producing <i>K. pneumoniae</i>, <i>E. coli</i> and carbapenemase-producing <i>K. pneumoniae</i>. However, aztreonam-avibactam resistance may be encountered in a considerable portion of carbapenem-resistant <i>E. coli</i> isolates. High aztreonam-avibactam MIC values suggest limited in vitro activity of aztreonam-avibactam against MBL-producing <i>P. aeruginosa</i> isolates in this collection.</p>","PeriodicalId":8167,"journal":{"name":"Apmis","volume":"134 9","pages":""},"PeriodicalIF":2.2,"publicationDate":"2026-09-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13575585/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148966445","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Molecular Identification of Infectious Etiologies in Necrotizing Granulomatous Lung Lesions Using FFPE Tissue: An Autopsy-Based Study 利用FFPE组织鉴定坏死性肉芽肿性肺病变的感染病因:一项基于尸检的研究。
IF 2.2 4区 医学
Apmis Pub Date : 2026-09-10 DOI: 10.1111/apm.70261
Yukiko Hata, Hiroshi Mori, Yoshiaki Yamaguchi, Shojiro Ichimata, Keiichi Hirono, Naoki Nishida
{"title":"Molecular Identification of Infectious Etiologies in Necrotizing Granulomatous Lung Lesions Using FFPE Tissue: An Autopsy-Based Study","authors":"Yukiko Hata,&nbsp;Hiroshi Mori,&nbsp;Yoshiaki Yamaguchi,&nbsp;Shojiro Ichimata,&nbsp;Keiichi Hirono,&nbsp;Naoki Nishida","doi":"10.1111/apm.70261","DOIUrl":"10.1111/apm.70261","url":null,"abstract":"<div>\u0000 \u0000 <p>Necrotizing granulomatous lung lesions have diverse infectious etiologies, and histology with Ziehl–Neelsen (ZN) staining is often insufficient for definitive diagnosis, particularly in formalin-fixed paraffin-embedded (FFPE) tissue. Among 2025 consecutive autopsy cases examined between 2011 and 2025, five cases showed necrotizing granulomatous lung lesions. DNA extracted from lesion-directed, manually trimmed FFPE tissue underwent PCR analysis targeting IS6110 and hsp65. Additional rpoB-based restriction fragment length polymorphism (RFLP) analysis was performed in suspected nontuberculous mycobacterial (NTM) infections, while one case with suspected parasitic infection underwent cox1 PCR and sequencing. Molecular analysis identified <i>Mycobacterium tuberculosis</i> complex (MTBC) in two cases, NTM in two cases, and Dirofilaria immitis in one case. rpoB-based RFLP demonstrated distinct patterns between the two NTM cases. ZN staining showed abundant bacilli in one MTBC case, rare bacilli in another, and negative results in the remaining cases. Lesion-directed manual trimming enabled successful amplification in all cases despite the use of archival FFPE tissue. Multi-target PCR analysis of lesion-enriched FFPE tissue provides a practical approach for etiological evaluation of necrotizing granulomatous lung lesions and may improve diagnostic characterization of paucibacillary or late-stage infectious lesions.</p>\u0000 </div>","PeriodicalId":8167,"journal":{"name":"Apmis","volume":"134 9","pages":""},"PeriodicalIF":2.2,"publicationDate":"2026-09-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148917947","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Mechanistic Investigations of a Novel Lactam Antifungal Agent Against Candida albicans 一种新型内酰胺类抗白色念珠菌药物的机制研究。
IF 2.2 4区 医学
Apmis Pub Date : 2026-09-03 DOI: 10.1111/apm.70258
Hafsa Abduljalil, William Johnston, Mark Butcher, Neil Parry, Joanne O'Keeffe, Yvonne Davies, Gordon Ramage
{"title":"Mechanistic Investigations of a Novel Lactam Antifungal Agent Against Candida albicans","authors":"Hafsa Abduljalil,&nbsp;William Johnston,&nbsp;Mark Butcher,&nbsp;Neil Parry,&nbsp;Joanne O'Keeffe,&nbsp;Yvonne Davies,&nbsp;Gordon Ramage","doi":"10.1111/apm.70258","DOIUrl":"10.1111/apm.70258","url":null,"abstract":"<p><i>Candida albicans</i> presents a major, yet underestimated challenge in clinical settings due to its increased resistance to treatment. This study intended to focus on the utility of a novel proprietary lactam molecule, a quorum sensing (QS) inhibitor, against <i>C. albicans</i>. We assessed isolate susceptibility to lactam treatment. In addition, RNA-Seq was used to assess lactam-induced transcriptional changes in phenotypically distinct <i>C. albicans</i> strains. The mechanistic basis of these transcriptional responses and a series of biochemical assays were performed using the reference strain SC5314. Our findings show that lactam influences multiple cellular processes, including cell wall integrity, efflux pump activity, oxidative stress responses and biofilm formation, with effects differing markedly between high and low biofilm formers. Vacuolation was observed with prolonged exposure to the lactam, and related genes in this process were identified and the phenotype confirmed. These results, supported by pathway analyses and mechanistic validation experiments, indicate that lactam's antifungal activity does not rely on a single mode of action. Rather, it appears to involve multiple mechanisms that vary across heterogeneous <i>C. albicans</i> isolates. These data indicate the potential therapeutic benefit of a novel fungicidal antifungal agent with broad-spectrum activity.</p>","PeriodicalId":8167,"journal":{"name":"Apmis","volume":"134 9","pages":""},"PeriodicalIF":2.2,"publicationDate":"2026-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13541415/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148886053","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Periodontitis and Mechanical Forces Modulate Ghrelin Receptor in Periodontal Tissues 牙周炎和机械力对牙周组织胃饥饿素受体的调节。
IF 2.2 4区 医学
Apmis Pub Date : 2026-09-03 DOI: 10.1111/apm.70259
Andressa Vilas Boas Nogueira, Thamiris Cirelli, Maria Eduarda Scordamaia Lopes, Luan Viana Faria, Camila Chierici Marcantonio, Rafael Scaf de Molon, Isis Jordão Pinheiro Ribaldo, Marjan Nokhbehsaim, Sigrun Eick, James Deschner, Joni Augusto Cirelli
{"title":"Periodontitis and Mechanical Forces Modulate Ghrelin Receptor in Periodontal Tissues","authors":"Andressa Vilas Boas Nogueira,&nbsp;Thamiris Cirelli,&nbsp;Maria Eduarda Scordamaia Lopes,&nbsp;Luan Viana Faria,&nbsp;Camila Chierici Marcantonio,&nbsp;Rafael Scaf de Molon,&nbsp;Isis Jordão Pinheiro Ribaldo,&nbsp;Marjan Nokhbehsaim,&nbsp;Sigrun Eick,&nbsp;James Deschner,&nbsp;Joni Augusto Cirelli","doi":"10.1111/apm.70259","DOIUrl":"10.1111/apm.70259","url":null,"abstract":"<p>Ghrelin signaling, mediated by the growth hormone secretagogue receptor (GHS-R1a), has emerged as an important regulator of inflammation and bone metabolism. This study investigated GHS-R1a regulation in periodontal tissues exposed to experimental periodontitis (EP), orthodontic tooth movement (OTM), or both. Human periodontal fibroblasts were stimulated with <i>Fusobacterium nucleatum</i>, static tensile strain, or their combination, and GHS-R1a expression was evaluated by RT-qPCR. In vivo experiments were conducted in rats subjected to EP, OTM, or combined treatment. Gingival GHS-R1a expression was assessed by RT-qPCR and immunohistochemistry, while alveolar bone loss was quantified histometrically. Combined bacterial and mechanical stimulation markedly increased GHS-R1a expression in periodontal fibroblasts, whereas either stimulus alone produced minimal changes. Similarly, combined EP and OTM induced a pronounced early increase in gingival GHS-R1a gene and protein expression, which declined over time. Animals exposed to both conditions also exhibited significantly greater alveolar bone loss. These findings demonstrate that periodontal inflammation and orthodontic loading dynamically regulate GHS-R1a, with early upregulation followed by attenuation during prolonged inflammation. The ghrelin/GHS-R1a system may therefore contribute to the periodontal response to concurrent inflammatory and biomechanical stimuli and participate in maintaining tissue homeostasis under inflammatory stress.</p>","PeriodicalId":8167,"journal":{"name":"Apmis","volume":"134 9","pages":""},"PeriodicalIF":2.2,"publicationDate":"2026-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13541416/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148886148","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Low Torque Teno Virus Load Is Associated With Fibrosis in Protocol Biopsies Following Liver Transplantation: A Nordic Multicenter Cohort Study 低扭矩Teno病毒载量与肝移植后方案活检纤维化相关:北欧多中心队列研究
IF 2.2 4区 医学
Apmis Pub Date : 2026-09-02 DOI: 10.1111/apm.70254
Delal Akdag, Jeanett Klubien, Andreas Arendtsen Rostved, Allan Rasmussen, Nikolai Kirkby, Gro Linno Willemoe, Deepthi Chiranth, Bo-Göran Ericzon, Carl Jorns, William Bennet, Arno Nordin, Fredrik Åberg, Jens Georg Hillingsø, Susanne Dam Nielsen, Hans-Christian Pommergaard
{"title":"Low Torque Teno Virus Load Is Associated With Fibrosis in Protocol Biopsies Following Liver Transplantation: A Nordic Multicenter Cohort Study","authors":"Delal Akdag,&nbsp;Jeanett Klubien,&nbsp;Andreas Arendtsen Rostved,&nbsp;Allan Rasmussen,&nbsp;Nikolai Kirkby,&nbsp;Gro Linno Willemoe,&nbsp;Deepthi Chiranth,&nbsp;Bo-Göran Ericzon,&nbsp;Carl Jorns,&nbsp;William Bennet,&nbsp;Arno Nordin,&nbsp;Fredrik Åberg,&nbsp;Jens Georg Hillingsø,&nbsp;Susanne Dam Nielsen,&nbsp;Hans-Christian Pommergaard","doi":"10.1111/apm.70254","DOIUrl":"10.1111/apm.70254","url":null,"abstract":"<p>Graft inflammation and fibrosis are associated with progressive fibrosis and potential graft loss after liver transplantation, but diagnosis relies on invasive biopsies. Torque teno virus (TTV) may be a noninvasive marker of functional immunity, however its association with these changes remains unclear. In this Nordic multicenter cohort study, plasma samples collected with biopsies were analyzed for TTV load, and biopsies were scored for inflammation and fibrosis. Associations and performance of TTV versus tacrolimus were evaluated using logistic regression and ROC curves. TTV was categorized using the Youden Index. Among 287 liver transplant recipients, median age was 55, mean TTV load 5 log<sub>10</sub> copies/mL and median time from transplantation to TTV measurement 12 months. Low TTV load was associated with higher odds of fibrosis (aOR 2.96 [95% CI 1.40–6.25], adjusted for time since transplantation). Compared with tacrolimus, TTV load remained associated with fibrosis (2.64 [1.19–5.85]), whereas tacrolimus did not (1.16 [0.95–1.42]). The model including both markers had the highest AUC (0.69 [0.60–0.78]). At the optimal threshold, TTV demonstrated 64% sensitivity and specificity, positive predictive value 20% and negative predictive value 93%. TTV load was not significantly associated with inflammation. In conclusion, TTV load may support risk-stratified biopsy strategies, requiring external validation.</p>","PeriodicalId":8167,"journal":{"name":"Apmis","volume":"134 9","pages":""},"PeriodicalIF":2.2,"publicationDate":"2026-09-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13535743/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148872797","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Anti-BCMA CAR-NK Cells Reveal Enhanced Cytolytic and Secretory Responses Against Myeloma Cells 抗bcma CAR-NK细胞显示对骨髓瘤细胞增强的细胞溶解和分泌反应
IF 2.2 4区 医学
Apmis Pub Date : 2026-09-02 DOI: 10.1111/apm.70256
Bita Divsalar, Jaffar Kiani, Saeid Abroun, Masoud Soleimani
{"title":"Anti-BCMA CAR-NK Cells Reveal Enhanced Cytolytic and Secretory Responses Against Myeloma Cells","authors":"Bita Divsalar,&nbsp;Jaffar Kiani,&nbsp;Saeid Abroun,&nbsp;Masoud Soleimani","doi":"10.1111/apm.70256","DOIUrl":"10.1111/apm.70256","url":null,"abstract":"<div>\u0000 \u0000 <p>Multiple myeloma (MM) is a hematologic malignancy characterized by uncontrolled malignant plasma cell proliferation. B-cell maturation antigen (BCMA) is an attractive therapeutic target due to its high expression on malignant plasma cells. In this study, BCMA-directed CAR-NK-92 cells were generated via lentiviral transduction of a second-generation CAR construct. CAR expression was confirmed by flow cytometry (81% efficiency). Engineered cells were functionally evaluated against BCMA-positive (U266, RPMI-8226) myeloma cell lines, as well as BCMA-negative control cells (K562, Jurkat). CAR-NK-92 cells demonstrated significantly enhanced cytotoxic activity against BCMA-positive targets compared with parental NK-92 cells (e.g., 87% vs. 54% cytotoxicity at 1:1, <i>p</i> &lt; 0.001). Enhanced antitumor activity was accompanied by increased CD107α surface expression and elevated secretion of perforin, granzyme B, TNF-α, and IFN-γ (<i>p</i> &lt; 0.05). No significant differences in cytotoxicity or cytokine secretion were observed against BCMA-negative control cells (<i>p</i> &gt; 0.05), supporting antigen-specific activity. Importantly, CAR-NK-92 cells also exhibited potent cytotoxicity and significantly elevated cytokine secretion against primary CD138+ myeloma cells isolated from patient bone marrow aspirates. These findings demonstrate that anti-BCMA CAR-NK-92 cells exhibit potent and selective antimyeloma activity in vitro, supporting CAR-NK-92 cells as an off-the-shelf immunotherapeutic platform for multiple myeloma.</p>\u0000 </div>","PeriodicalId":8167,"journal":{"name":"Apmis","volume":"134 9","pages":""},"PeriodicalIF":2.2,"publicationDate":"2026-09-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148872758","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A Review of the Use of Artificial Intelligence in Ophthalmology Imaging: Approximation to Ocular Histopathology 人工智能在眼科成像中的应用综述:近似于眼组织病理学。
IF 2.2 4区 医学
Apmis Pub Date : 2026-09-01 DOI: 10.1111/apm.70253
Jimena Tatiana Hathaway, Anna M. Stagner
{"title":"A Review of the Use of Artificial Intelligence in Ophthalmology Imaging: Approximation to Ocular Histopathology","authors":"Jimena Tatiana Hathaway,&nbsp;Anna M. Stagner","doi":"10.1111/apm.70253","DOIUrl":"10.1111/apm.70253","url":null,"abstract":"<div>\u0000 \u0000 <p>Ophthalmic imaging has advanced to a level at which it can closely approximate key histopathological features of certain ocular tissues, changing the way ocular disease is screened for, diagnosed, and monitored. Modalities such as optical coherence tomography (OCT), anterior segment OCT (AS-OCT), OCT angiography (OCTA), and in vivo confocal microscopy (IVCM) capture tissue architecture with high-resolution structural and even microvascular information. In this review, the authors summarize the current evidence on artificial intelligence (AI) based applications that utilize high-resolution ophthalmic imaging and digital pathology to support near-histologic interpretation across a range of ocular diseases. Reported diagnostic performance and concordance with histopathologic findings are examined while describing the technical, biological, and regulatory boundaries of AI-derived inference. While AI supports objective, scalable, and reproducible analyses of ophthalmic imaging data, limitations in resolution, generalizability, and specificity prevent its use as an independent substitute for tissue-based diagnosis where histopathologic confirmation is required.</p>\u0000 </div>","PeriodicalId":8167,"journal":{"name":"Apmis","volume":"134 9","pages":""},"PeriodicalIF":2.2,"publicationDate":"2026-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148872651","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Peripheral Blood Neutrophil-to-Lymphocyte Ratio Combined With Fibrinogen-to-Albumin Ratio Assists in Identifying Systemic Lupus Erythematosus Activity and Lupus Nephritis 外周血中性粒细胞与淋巴细胞比值结合纤维蛋白原与白蛋白比值有助于识别系统性红斑狼疮活性和狼疮肾炎
IF 2.2 4区 医学
Apmis Pub Date : 2026-08-31 DOI: 10.1111/apm.70247
Shengnan Wang, Yuan Xue, Lihua Zhou
{"title":"Peripheral Blood Neutrophil-to-Lymphocyte Ratio Combined With Fibrinogen-to-Albumin Ratio Assists in Identifying Systemic Lupus Erythematosus Activity and Lupus Nephritis","authors":"Shengnan Wang,&nbsp;Yuan Xue,&nbsp;Lihua Zhou","doi":"10.1111/apm.70247","DOIUrl":"https://doi.org/10.1111/apm.70247","url":null,"abstract":"<div>\u0000 \u0000 <p>This retrospective study explored the relationship of serum neutrophil-to-lymphocyte ratio (NLR) and fibrinogen-to-albumin ratio (FAR) with disease activity and lupus nephritis (LN) in systemic lupus erythematosus (SLE) and assessed the clinical value of the derived combination model. Patients (<i>N</i> = 147) with SLE were enrolled in the final analysis. Peripheral blood NLR and FAR also differed between subgroups based on LN absence/presence: LN (79 cases) and non-LN groups (68 cases) were independently associated with SLE disease activity and LN onset according to univariate and multivariate logistic regression results. Crucially, the NLR and FAR composite model demonstrated potentially auxiliary performance superior to the conventional indicator composite model (anti-dsDNA, complement C3/C4, 24-h UPr), yielding an area under the ROC curve (AUC) of 0.865 for severe disease activity (95% CI: 0.799–0.915, sensitivity: 0.833, specificity: 0.769) and 0.922 for LN development (95% CI: 0.867–0.962, sensitivity: 0.785, specificity: 0.941). In conclusion, peripheral blood NLR and FAR may serve as potentially useful auxiliary biomarkers for identifying severe disease activity and LN in patients with SLE. These exploratory findings were obtained from a single-center, small-scale population. Therefore, multi-center prospective cohort studies with large-scale populations are needed to confirm their clinical applicability and generalizability.</p>\u0000 </div>","PeriodicalId":8167,"journal":{"name":"Apmis","volume":"134 9","pages":""},"PeriodicalIF":2.2,"publicationDate":"2026-08-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148860125","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Trends in the Frequency and Antimicrobial Resistance of Common Gram-Negative Bacilli Isolated From Urine Cultures 尿培养中常见革兰氏阴性杆菌的频率和耐药性变化趋势
IF 2.2 4区 医学
Apmis Pub Date : 2026-08-31 DOI: 10.1111/apm.70257
Leticia Castellano-Sánchez, Antonio Rosales-Castillo, Lucía Requena-Fernández, María Ramos-Bermúdez, Valeriano Esteban-Martín, José Gutiérrez-Fernández
{"title":"Trends in the Frequency and Antimicrobial Resistance of Common Gram-Negative Bacilli Isolated From Urine Cultures","authors":"Leticia Castellano-Sánchez,&nbsp;Antonio Rosales-Castillo,&nbsp;Lucía Requena-Fernández,&nbsp;María Ramos-Bermúdez,&nbsp;Valeriano Esteban-Martín,&nbsp;José Gutiérrez-Fernández","doi":"10.1111/apm.70257","DOIUrl":"https://doi.org/10.1111/apm.70257","url":null,"abstract":"<div>\u0000 \u0000 <p>The sustained increase in antimicrobial resistance among Gram-negative bacilli (GNB) compromises the effectiveness of empirical treatment regimens. This study aims to describe the evolution of the frequency and antimicrobial resistance profiles of the most commonly isolated GNB in urine cultures in our area. A cross-sectional, descriptive, and retrospective study was conducted, analyzing urine cultures from patients with suspected UTIs between 2021 and 2025. Microorganism identification was performed using MALDI Biotyper or MicroScan systems, and antimicrobial susceptibility testing was carried out using MicroScan, interpreted according to EUCAST guidelines. A total of 81,791 urine cultures were analyzed. In <i>E. coli</i>, a significant increase in resistance was observed for amoxicillin-clavulanate, ciprofloxacin, piperacillin-tazobactam, and fosfomycin (from 3.48% in 2021 to 25.31% in 2025). <i>Klebsiella pneumoniae</i> showed a marked increase in resistance to fosfomycin (from 27.25% to 79.73%) and imipenem. <i>Pseudomonas aeruginosa</i>, predominantly hospital-acquired, exhibited a significant increase in resistance to piperacillin-tazobactam, imipenem, and antipseudomonal cephalosporins. The evolution of antimicrobial resistance in uropathogenic GNB in our region is complex and dynamic. The spread of carbapenemases highlights the need for rigorous local epidemiological surveillance and optimization of antimicrobial stewardship programs to guide empirical therapy and infection control measures.</p>\u0000 </div>","PeriodicalId":8167,"journal":{"name":"Apmis","volume":"134 9","pages":""},"PeriodicalIF":2.2,"publicationDate":"2026-08-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148860126","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Correction to “Can We Foresee Grade and Stage Progression in Mixed Low- and High-Grade Noninvasive Papillary Urothelial Carcinomas?” 更正“我们能否预见低级别和高级别非侵入性尿路上皮混合癌的分级和分期进展?”
IF 2.2 4区 医学
Apmis Pub Date : 2026-08-31 DOI: 10.1111/apm.70251
{"title":"Correction to “Can We Foresee Grade and Stage Progression in Mixed Low- and High-Grade Noninvasive Papillary Urothelial Carcinomas?”","authors":"","doi":"10.1111/apm.70251","DOIUrl":"https://doi.org/10.1111/apm.70251","url":null,"abstract":"<p>\u0000 <span>B. Karabulut</span>, <span>O. Dag</span>, <span>K. Kosemehmetoglu</span>, and <span>G. Guner</span>, “ <span>Can We Foresee Grade and Stage Progression in Mixed Low- and High-Grade Noninvasive Papillary Urothelial Carcinomas?</span>,” <i>APMIS</i> <span>134</span>, no. <span>7</span> (<span>2026</span>): e70238, https://doi.org/10.1111/apm.70238.\u0000 </p><p>In the published article, the labels in Figures 2A and 3A contained the Turkish phrases “mikstG1” and “mikstHG yüzde,” respectively. These have been corrected to “G1%” and “HG%,” respectively.</p><p>Additionally, in Figure 2A, the grade trend line labels “0” and “1” have been changed to “Stable or Decline” and “Incline,” respectively, for clarity.</p><p>The results remain unchanged. The corrected Figures 2A and 3A are shown below.</p><p>We apologize for these errors.</p>","PeriodicalId":8167,"journal":{"name":"Apmis","volume":"134 9","pages":""},"PeriodicalIF":2.2,"publicationDate":"2026-08-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/apm.70251","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148860124","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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