Folia histochemica et cytobiologica最新文献

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Molecular landscape of the mouse adrenal gland and adjacent adipose tissue by spatial transcriptomics. 空间转录组学研究小鼠肾上腺及其邻近脂肪组织的分子景观。
IF 2.2 4区 生物学
Folia histochemica et cytobiologica Pub Date : 2025-01-01 Epub Date: 2025-11-28 DOI: 10.5603/fhc.108988
Malgorzata Blatkiewicz, Szymon Hryhorowicz, Marta Szyszka, Joanna Suszynska-Zajczyk, Andrzej Plawski, Adam Plewinski, Andrea Porzionato, Ludwik K Malendowicz, Marcin Rucinski
{"title":"Molecular landscape of the mouse adrenal gland and adjacent adipose tissue by spatial transcriptomics.","authors":"Malgorzata Blatkiewicz, Szymon Hryhorowicz, Marta Szyszka, Joanna Suszynska-Zajczyk, Andrzej Plawski, Adam Plewinski, Andrea Porzionato, Ludwik K Malendowicz, Marcin Rucinski","doi":"10.5603/fhc.108988","DOIUrl":"10.5603/fhc.108988","url":null,"abstract":"<p><strong>Introduction: </strong>. The adrenal glands are central regulators of endocrine homeostasis and stress adaptation. Despite decades of research, the molecular mechanisms governing adrenal zonation and cortical renewal remain incompletely understood.</p><p><strong>Material and methods: </strong>. Here, the 10x Genomics Visium CytAssist platform was applied to generate a high-resolution atlas of the adult CD1 IGS male mouse adrenal gland. The study employed a range of analytical approaches, including unsupervised clustering, differential gene expression analysis, pathway and Gene Ontology enrichment, cell-type deconvolution, and pseudotime trajectory inference. These approaches collectively facilitated the comprehensive characterization of transcriptional signatures across the primary adrenal cortical zones and the medulla.</p><p><strong>Results: </strong>. Herein transcriptional signatures of distinct compartments were identified, including zona glomerulosa/adrenal capsule (ZG/capsule), outer and inner zona fasciculata (oZF, iZF), medulla, connective tissue, and surrounding brown and white adipose depots. Deconvolution analysis further delineated contributions from stromal, immune, endothelial, and erythrocyte populations, highlighting the complexity of adrenal and periadrenal tissues. Pseudotime trajectory analysis validated the centripetal differentiation model of the adrenal cortex, demonstrating a continuum of transcriptional states from capsule and ZG/capsule through oZF to iZF, consistent with progressive acquisition of steroidogenic functions. Functional enrichment confirmed zone-specific pathways, including WNT and steroid biosynthesis in the cortex and neuroendocrine pathways in the medulla.</p><p><strong>Conclusions: </strong>. Together, this study provides the first spatially resolved transcriptomic reference map of the adult male mouse adrenal gland, revealing the cellular and molecular framework underlying zonation, renewal, and inter-compartment interactions. This atlas constitutes a valuable resource for advancing the understanding of adrenal physiology and pathology.</p>","PeriodicalId":12322,"journal":{"name":"Folia histochemica et cytobiologica","volume":" ","pages":"162-176"},"PeriodicalIF":2.2,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145631635","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Nintedanib alleviates hyperoxia-induced lung injury via targeting NF-κB signalling pathway in rat model of bronchopulmonary dysplasia. 尼达尼布通过靶向NF-κB信号通路减轻支气管肺发育不良大鼠高氧诱导的肺损伤。
IF 1.7 4区 生物学
Folia histochemica et cytobiologica Pub Date : 2025-01-01 Epub Date: 2025-05-27 DOI: 10.5603/fhc.105218
Rui Hao, Yuping Li, Junhui Li, Zirui Guo, Zhi Yang, Wei Lu
{"title":"Nintedanib alleviates hyperoxia-induced lung injury via targeting NF-κB signalling pathway in rat model of bronchopulmonary dysplasia.","authors":"Rui Hao, Yuping Li, Junhui Li, Zirui Guo, Zhi Yang, Wei Lu","doi":"10.5603/fhc.105218","DOIUrl":"10.5603/fhc.105218","url":null,"abstract":"<p><strong>Introduction: </strong>Bronchopulmonary dysplasia (BPD) is a common chronic respiratory disease in premature infants. Hyperoxia is the main pathogenic factor of BPD. Nintedanib is a small-molecule tyrosine kinase inhibitor that has been confirmed to affect several cellular processes in different diseases. The aim of this study was to explore the function of nintedanib in the treatment of BPD.</p><p><strong>Material and methods: </strong>Newborn Sprague-Dawley rats (postnatal day 1) were used to establish an in vivo BPD model by hyperoxia induction. Nintedanib was intraperitoneally injected into rats. Haematoxylin and eosin (H&E) staining was applied to detect lung injury in BPD rats. Cell apoptosis was determined by TUNEL (TdT-mediated dUTP nick end labelling) assay. Western blotting was applied to detect level changes of inflammatory factors IL-1β (interleukin-1 beta), CXCL-1 (C-X-C motif chemokine ligand 1), MCP-1 (monocyte chemotactic protein-1), as well as the phosphorylation of IkB (NF kappa B inhibitor) and NF-kB (nuclear factor kappa-B) in lung samples.</p><p><strong>Results: </strong>Hyperoxia resulted in lung injury in neonatal rats, while nintedanib treatment relieved the injury. Furthermore, nintedanib alleviated hyperoxia-induced apoptosis in rat lungs. It was further observed that an inflammatory response caused by hyperoxia in lung samples was attenuated by nintedanib administration. Additionally, nintedanib inactivated the NF-κB pathway in BPD rats.</p><p><strong>Conclusions: </strong>Nintedanib alleviates hyperoxia-induced lung injury via targeting the NF-κB signalling pathway.</p>","PeriodicalId":12322,"journal":{"name":"Folia histochemica et cytobiologica","volume":" ","pages":"79-87"},"PeriodicalIF":1.7,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144149442","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Aggressiveness of papillary thyroid carcinoma: a comprehensive analysis from molecular mechanisms to clinical applications. 甲状腺乳头状癌的侵袭性:从分子机制到临床应用的综合分析。
IF 2.2 4区 生物学
Folia histochemica et cytobiologica Pub Date : 2025-01-01 Epub Date: 2025-10-14 DOI: 10.5603/fhc.108530
Min Wang, Bin Li
{"title":"Aggressiveness of papillary thyroid carcinoma: a comprehensive analysis from molecular mechanisms to clinical applications.","authors":"Min Wang, Bin Li","doi":"10.5603/fhc.108530","DOIUrl":"10.5603/fhc.108530","url":null,"abstract":"<p><p>Papillary thyroid carcinoma (PTC) constitutes the predominant subtype among thyroid malignancies. Despite its generally favorable prognosis, certain aggressive subtypes, along with recurrent and metastatic manifestations, substantially affect patient survival outcomes. Recent advancementsin the diagnostic and therapeutic strategies for PTC have ushered in a new era, characterized by the integration of molecular mechanisms and imaging-based evaluations. This review offers an integrated perspective of the clinicopathological features, molecular genetic characteristics, epigenetic regulation, and the contribution of the immune microenvironment to the aggressiveness of PTC. Primary inve stigation targets include BRAF/RAS/RET-related molecular mechanisms and the functional significance of non-coding RNAs [especially long non-coding RNAs (lncRNAs) and microRNAs (miRNAs)] in molecular regulation. Additionally, the impact of clinical factors such as age, sex, obesity, and comorbidity with Hashimoto's thyroiditis on the aggressiveness of PTC is thoroughly examined. Furthermore, this review systematically synthesizes the clinical advances in the early detection and risk assessment of aggressive PTC by emerging imaging modalities such as conventional ultrasound, interventional ultrasound, ultrasound elastography, contrast-enhanced ultrasound, and artificial intelligence-assisted analysis. Looking ahead, multidisciplinary collaborations integrating pathology, genomics, and imaging are anticipated to enhance the precise evaluation of PTC aggressiveness and facilitate the development of individualized treatment strategies. This review serves as a comprehensive reference for mechanistic exploration and clinical translation in the study of PTC aggressiveness, and provides guidance for the progression of precision medicine and management models for PTC patients.</p>","PeriodicalId":12322,"journal":{"name":"Folia histochemica et cytobiologica","volume":" ","pages":"99-112"},"PeriodicalIF":2.2,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145285977","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Mechanisms of alleviating sepsis-induced rat lung and kidney damage by inhibiting expression of miRNA-939. 抑制miRNA-939表达减轻脓毒症大鼠肺肾损害的机制
IF 1.7 4区 生物学
Folia histochemica et cytobiologica Pub Date : 2025-01-01 Epub Date: 2025-05-27 DOI: 10.5603/fhc.101988
Anwaier Apizi, Jian Li, Yan Li, Zhaoxia Yu, Ruifeng Chai
{"title":"Mechanisms of alleviating sepsis-induced rat lung and kidney damage by inhibiting expression of miRNA-939.","authors":"Anwaier Apizi, Jian Li, Yan Li, Zhaoxia Yu, Ruifeng Chai","doi":"10.5603/fhc.101988","DOIUrl":"10.5603/fhc.101988","url":null,"abstract":"<p><strong>Introduction: </strong>Sepsis, a life-threatening condition caused by a host response that goes out of control, leads to severe organ dysfunction. MicroRNA 939 (miRNA-939) plays a pivotal role in this process by post-transcriptionally regulating the mRNA expression of key enzymes in the NO/cGMP pathway. This pathway is crucial in the development of refractory hypotension and organ failure in sepsis. The aim of the study was to explore the effects of miRNA-939 on a caecum ligation puncture (CLP) rat model of sepsis in kidneys and lungs in order to elucidate its role in modulating the NO/cGMP pathway and related organ protection mechanisms.</p><p><strong>Material and methods: </strong>To explore the effects of miRNA-939 on sepsis, three groups of rats were established: a sham surgery group, a sepsis model group, and an intervention group treated with LNA-antimiR targeting miRNA-939, which was administered via tail vein injection (the locked nucleic acid (LNA) group). miRNA-939 levels in serum, kidneys, and lungs were assessed using reverse transcription-polymerase chain reaction (RT-PCR). The protein levels of inducible nitric oxide synthase (iNOS) and soluble guanylate cyclase (sGC) were quantified using Western blotting. Serum nitric oxide (NO) levels were determined using the nitrate reductase method.</p><p><strong>Results: </strong>Compared to the sham group, the rats in the sepsis model group exhibited significantly elevated levels of miRNA-939 in serum, with distinct peaks at 12, 24, and 36 h post-sepsis induction. Similarly, the protein levels of iNOS and sGC (sGCα1 and sGCβ1 subunits) in kidneys and lungs were markedly higher in the sepsis group. Serum NO levels were also significantly elevated in the sepsis group compared to the sham group. Importantly, inhibition of miRNA-939 in the LNA group led to a significant reduction in the tissue levels of iNOS, sGCα1, sGCβ1, and serum NO within the NO/cGMP pathway, alongside mitigating inflammatory damage to kidneys and lungs.</p><p><strong>Conclusions: </strong>Inhibiting miRNA-939 significantly reduces the expression of iNOS, sGCα1, sGCβ1, and NO in the NO/cGMP pathway in CLP-exposed rats, thereby alleviating inflammatory organ damage in sepsis. These findings highlight the therapeutic potential of targeting miRNA-939 in the management of sepsis-induced organ dysfunction.</p>","PeriodicalId":12322,"journal":{"name":"Folia histochemica et cytobiologica","volume":" ","pages":"88-98"},"PeriodicalIF":1.7,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144150002","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Electroacupuncture ameliorates depressive-like behaviors by activating Sirt1 to enhance oligodendrocyte differentiation and myelination in the prefrontal cortex of rats. 电针通过激活Sirt1增强大鼠前额皮质少突胶质细胞分化和髓鞘形成,改善抑郁样行为。
IF 2.2 4区 生物学
Folia histochemica et cytobiologica Pub Date : 2025-01-01 Epub Date: 2025-09-24 DOI: 10.5603/fhc.106467
Hui-Qian Cai, Tian Wang, Li-Xia Lin, Xin Li, Guang-Mei Zheng, Sheng-Yong Su
{"title":"Electroacupuncture ameliorates depressive-like behaviors by activating Sirt1 to enhance oligodendrocyte differentiation and myelination in the prefrontal cortex of rats.","authors":"Hui-Qian Cai, Tian Wang, Li-Xia Lin, Xin Li, Guang-Mei Zheng, Sheng-Yong Su","doi":"10.5603/fhc.106467","DOIUrl":"10.5603/fhc.106467","url":null,"abstract":"<p><strong>Introduction: </strong>This study investigated the therapeutic mechanisms of electroacupuncture (EA) in chronic unpredictable stress (CUS)-induced depression rat model. Since SIRT1 plays in oligodendrocyte differentiation and neuroprotection, we hypothesize that it may mediate the effect of electroacupuncture (EA) on myelin regeneration in depression.</p><p><strong>Material and methods: </strong>Sixty adult male Sprague-Dawley rats were divided into control, CUS, EA + CUS and CUS + EA + SIRT1-specific inhibitor - EX527 (EX) groups. We established a CUS-induced depression rat model by subjecting rats to 4-week CUS paradigm. Four weeks post-modeling, EA treatment and intraperitoneal administration of EX527 were applied. Behavioral tests including open field test, forced swim test and sucrose preference test were performed to assess the depressive-like state. Immunohistochemistry and stereological analysis for quantification of oligodendroglial cell populations was performed. Immunohistochemical staining and transmission electron microscope were performed for evaluation of myelination. Western blot and qRT-PCR analyses were performed to detect the mRNA and protein expression of SIRT1 in the prefrontal cortex (PFC) of rats in each group.</p><p><strong>Results: </strong>Four weeks of EA intervention significantly alleviated depressive-like behaviors in CUS rats, as evidenced by increased sucrose preference (P < 0.05), enhanced exploratory activity (P < 0.01), and reduced immobility time (P < 0.05) compared to the CUS group. Histopathological and ultrastructural analyses demonstrated that EA restored myelin integrity in the PFC, with myelin basic protein immunoreactivity significantly higher in the EA+CUS group than in untreated CUS rats (P < 0.05). Electroacupuncture promoted oligodendrocyte differentiation, reversing the chronic stress-induced reduction in CC1+/Olig2+/BrdU+ progenitor cells (31.5 ± 3.1% vs. 3.23 ± 1.4% in CUS + EA + EX group, P < 0.01). Mechanistically, EA upregulated SIRT1 mRNA and protein expression in the PFC (P < 0.05 vs. CUS), while pharmacological inhibition of Sirt1 with EX-527 abolished these effects, reducing Sirt1 mRNA and SIRT1 protein expression (P < 0.01, P < 0.01, respectively) and Olig2 expression (P < 0.05). EX-527 treatment also blocked EA-induced behavioral improvements and myelin regeneration, confirming the critical role of the Sirt1.</p><p><strong>Conclusions: </strong>The findings indicate that EA ameliorates depression-like behavior by enhancing oligodendrocyte maturation and myelin repair via activating SIRT1 signaling. These findings provide novel mechanistic insights into non-pharmacological interventions for depression.</p>","PeriodicalId":12322,"journal":{"name":"Folia histochemica et cytobiologica","volume":" ","pages":"121-133"},"PeriodicalIF":2.2,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145130463","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Genetic alterations in papillary thyroid cancer: clinicopathological correlations and diagnostic implications. 甲状腺乳头状癌的基因改变:临床病理相关性和诊断意义。
IF 2.2 4区 生物学
Folia histochemica et cytobiologica Pub Date : 2025-01-01 Epub Date: 2025-10-01 DOI: 10.5603/fhc.106400
Enaam Mohammed Ali Junainah
{"title":"Genetic alterations in papillary thyroid cancer: clinicopathological correlations and diagnostic implications.","authors":"Enaam Mohammed Ali Junainah","doi":"10.5603/fhc.106400","DOIUrl":"10.5603/fhc.106400","url":null,"abstract":"<p><strong>Introduction: </strong>Papillary thyroid carcinoma (PTC) is the most common thyroid malignancy, encompassing distinct histological variants and a wide spectrum of clinical behaviors. Advances in molecular diagnostics have identified key genetic alterations - particularly BRAFV600E, RAS mutations, RET/PTC fusions, and TERT promoter mutations - that are strongly linked to tumor aggressiveness and prognosis. This study aimed to determine the prevalence of these alterations and evaluate their clinicopathological significance in a Saudi Arabian patient cohort.</p><p><strong>Materials and methods: </strong>A retrospective analysis was conducted on 114 formalin-fixed paraffin-embedded (FFPE) PTC samples diagnosed between 2019 and 2023. Targeted next-generation sequencing (NGS) was used to detect BRAF, NRAS, KRAS, HRAS, RET/PTC fusions, and TERT promoter mutations. Immunohistochemistry (IHC) for BRAFV600E, TTF-1, CK19, HBME-1, and galectin-3 was performed using automated staining systems. Associations between genetic alterations and clinicopathological parameters - including tumor size, histological subtype, lymph node metastasis, and extrathyroidal extension - were analyzed statistically.</p><p><strong>Results: </strong>BRAFV600E mutations were identified in 39.5% of cases and were significantly associated with larger tumor size (P = 0.01), extrathyroidal extension (P = 0.04), and lymph node metastasis (P = 0.03). RET/PTC fusions were detected in 15.8% of patients, predominantly younger individuals, and correlated with multifocal tumors and lymphovascular invasion. RAS mutations (19.3%) were more frequent in the follicular variant but showed no significant association with adverse features. TERT promoter mutations were present in 10.5% of cases, significantly correlating with older age and advanced tumor stage. IHC profiles demonstrated strong concordance with molecular findings.</p><p><strong>Conclusions: </strong>In this Middle Eastern cohort of PTC patients, BRAFV600E and TERT promoter mutations were significantly associated with aggressive clinicopathological features, while RET/PTC fusions and RAS mutations demonstrated distinct demographic and histological distributions. The integration of NGS and IHC enhanced diagnostic accuracy and supports personalized risk stratification in PTC management.</p>","PeriodicalId":12322,"journal":{"name":"Folia histochemica et cytobiologica","volume":" ","pages":"113-120"},"PeriodicalIF":2.2,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145198951","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A recombinase polymerase amplification-coupled Cas12a for detection of Salmonella Typhi - a preliminary report. 重组酶聚合酶扩增偶联Cas12a检测伤寒沙门氏菌的初步报告。
IF 1.9 4区 生物学
Folia histochemica et cytobiologica Pub Date : 2025-01-01 DOI: 10.5603/fhc.108406
Qian Dong, Chujun Luo
{"title":"A recombinase polymerase amplification-coupled Cas12a for detection of Salmonella Typhi - a preliminary report.","authors":"Qian Dong, Chujun Luo","doi":"10.5603/fhc.108406","DOIUrl":"10.5603/fhc.108406","url":null,"abstract":"<p><strong>Introduction: </strong>. Typhoid fever, a disease resulting from an infection with Salmonella Typhi (S. Typhi) remains widespread in economically disadvantaged regions, where it continues to be a critical public health concern. As the symptoms and signs are non-specific, they are difficult to diagnose directly based on the clinical picture. Therefore, laboratory examinations are essential for diagnosis.</p><p><strong>Material and methods: </strong>. This research introduces a fast and equipment-independent approach for detecting S. Typhi by employing CRISPR/Cas12a-based technology. The optimized CRISPR/Cas12a system achieved a detection limit of 103 copies/μL of S. Typhi DNA per reaction, with the entire assay completed within 60 min.</p><p><strong>Results: </strong>. Four clinical isolates cultured from patients with typhoid fever were collected and evaluated using our CRISPR/Cas12a-based detection system. The assay results demonstrated that all four samples were accurately identified as positive.</p><p><strong>Conclusions: </strong>. We showed that the developed CRISPR/Cas12a-based detection method provides a promising alternative for the on-site and simple detection of S. Typhi.</p>","PeriodicalId":12322,"journal":{"name":"Folia histochemica et cytobiologica","volume":"63 4","pages":"185-192"},"PeriodicalIF":1.9,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145959035","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Critical assessment of microscopy methods for detecting single- and double-strand DNA breaks. 检测单链和双链DNA断裂的显微镜方法的关键评估。
IF 2.2 4区 生物学
Folia histochemica et cytobiologica Pub Date : 2025-01-01 Epub Date: 2025-11-24 DOI: 10.5603/fhc.109368
Agnieszka Hoang-Bujnowicz, Julita Wesolowska, Agnieszka Ostromecka, Beata Nosal, Weronika Pawlus, Svitlana Levchenko, Miroslaw Zarebski, Jurek W Dobrucki
{"title":"Critical assessment of microscopy methods for detecting single- and double-strand DNA breaks.","authors":"Agnieszka Hoang-Bujnowicz, Julita Wesolowska, Agnieszka Ostromecka, Beata Nosal, Weronika Pawlus, Svitlana Levchenko, Miroslaw Zarebski, Jurek W Dobrucki","doi":"10.5603/fhc.109368","DOIUrl":"10.5603/fhc.109368","url":null,"abstract":"<p><p>A laboratory toolbox for detecting and quantifying DNA breaks in animal cells and tissues includes various methods that employ biochemical tests, DNA sequencing, or imaging approaches. Various methods based on microscopy were developed to detect DNA breaks in fixed and live cells, including the nick translation assay, TUNEL, STRIDE, and detection methods based on imaging of histone modifications (γH2A.X), recruitment of repair factors (XRCC1, PCNA, 53BP1, Rad51) or poly-ADP-ribosylation. This review discusses the advantages and limitations of various microscopy-based methods for the detection and quantification of single- and double-strand DNA breaks.</p>","PeriodicalId":12322,"journal":{"name":"Folia histochemica et cytobiologica","volume":" ","pages":"151-161"},"PeriodicalIF":2.2,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145586498","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Enhanced migration and adhesion protein expression by polyethylene glycol 4-modified SVVYGLR peptide in an in vitro human gingival fibroblast wound healing model. 聚乙二醇4修饰的SVVYGLR肽在体外人牙龈成纤维细胞创面愈合模型中增强迁移和粘附蛋白的表达
IF 1.7 4区 生物学
Folia histochemica et cytobiologica Pub Date : 2025-01-01 DOI: 10.5603/fhc.104010
Peiying Xiong, Chengcheng Yu, Zhihui Chen, Luyuan Chen, Yonglong Hong, Buling Wu
{"title":"Enhanced migration and adhesion protein expression by polyethylene glycol 4-modified SVVYGLR peptide in an in vitro human gingival fibroblast wound healing model.","authors":"Peiying Xiong, Chengcheng Yu, Zhihui Chen, Luyuan Chen, Yonglong Hong, Buling Wu","doi":"10.5603/fhc.104010","DOIUrl":"https://doi.org/10.5603/fhc.104010","url":null,"abstract":"<p><strong>Introduction: </strong>This study was aimed at exploring the effect of four units of polyethylene glycol (PEG4)-modified Ser-Val-Val-Tyr-Gly-Leu-Arg (SVVYGLR) peptide (SV peptide) on the proliferative potential and migrative capability of human gingival fibroblasts (HGFs) and the activation of adhesion-related proteins.</p><p><strong>Material and methods: </strong>PEG4-SV peptide was synthesised using peptide solid phase synthesis. The proliferative response of HGFs to varying concentrations of PEG4-SV peptide was quantitatively evaluated using a Cell Counting Kit-8 (CCK-8) assay. The migratory capacity of HGFs in response to PEG4-SV peptide treatment was evaluated using an in vitro wound healing assay. The expression levels of adhesion-related genes, including collagen type I (COL-1), vinculin (VCL), focal adhesion kinase (FAK), and integrin β1(ITGB1), were quantitatively analysed using qRT-PCR. To assess the aforementioned adhesion-related proteins, immunofluorescence and Western blotting were performed.</p><p><strong>Results: </strong>Primary HGFs were isolated through enzymatic digestion using dispase, and subsequently characterised by positive immunoreactivity for both vimentin and CD90 (Thy-1) markers. Compared to the control group, PEG4-SV at concentrations of 10, 20, and 40 μg/mL significantly promoted the proliferation of HGFs. The wound area in the SV group exhibited a significantly smaller size in the monolayer cell culture at 24 and 48 h. The expression of adhesion-related genes and proteins (collagen type I, vinculin, FAK and integrin β1), were significantly upregulated after treatment with 20 μg/mL PEG4-SV.</p><p><strong>Conclusions: </strong>These results demonstrate that PEG4-SV peptide may have the ability to promote soft tissue healing around an implant surface and form tight soft tissue sealing on the transmucosal part of the implant.</p>","PeriodicalId":12322,"journal":{"name":"Folia histochemica et cytobiologica","volume":"63 1","pages":"41-50"},"PeriodicalIF":1.7,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144149789","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Potential O-GlcNAcylation and odontoblast differentiation in dental pulp stem cells. 潜在的O - glcn酰化和牙髓干细胞成牙细胞分化。
IF 2.2 4区 生物学
Folia histochemica et cytobiologica Pub Date : 2025-01-01 Epub Date: 2025-09-24 DOI: 10.5603/fhc.107130
María Teresa Hernández-Huerta, Laura Pérez-Campos Mayoral, Hector Alejandro Cabrera-Fuentes, Eduardo Pérez-Campos, Efrén Emmanuel Jarquín González
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