Ultrastructural Pathology最新文献

筛选
英文 中文
The possible protective effect of ginger extract on toxic changes induced by bisphenol A on the thyroid gland of adult male albino rats: light and electron microscopic study. 生姜提取物对双酚 A 诱导的成年雄性白化大鼠甲状腺毒性变化的可能保护作用:光镜和电子显微镜研究。
IF 1.1 4区 医学
Ultrastructural Pathology Pub Date : 2024-08-27 DOI: 10.1080/01913123.2024.2395849
Sara Mohammed Taha Denewer, Safinaz Moustafa Mahmoud Ali, Nawal Awad Hasanin, Dalia Refat El-Bassouny
{"title":"The possible protective effect of ginger extract on toxic changes induced by bisphenol A on the thyroid gland of adult male albino rats: light and electron microscopic study.","authors":"Sara Mohammed Taha Denewer, Safinaz Moustafa Mahmoud Ali, Nawal Awad Hasanin, Dalia Refat El-Bassouny","doi":"10.1080/01913123.2024.2395849","DOIUrl":"https://doi.org/10.1080/01913123.2024.2395849","url":null,"abstract":"<p><p>Bisphenol A (BPA) is a chemical substance used in the plastic industry and considered as an endocrine disruptor. Ginger is a herbal material used in the food industry and has antioxidant activity. The present study was performed to evaluate the histological changes in the thyroid gland of adult male albino rats after intake of BPA and if there is any protective role for ginger extract (GE). Eighty adult male rats were divided equally into four groups. Group I as a control group, group II included rats that received 250 mg/kg/day GE orally for eight weeks, group III included rats that received 200 mg/kg/day BPA orally for the same period and group IV included rats that received BPA in the same dose for the same duration concomitantly with GE. At the end of the experiment, blood samples were taken for hormonal essay and tissue samples were processed. Light and electron microscopic studies were done. Morphometric and statistical studies were carried out. Group III showed degenerative changes in the thyroid gland, decreased serum levels of T3 and T4 and a strong positive inducible nitric oxide synthase (iNOS) immune response. Group IV showed restoration of thyroid gland architecture and function. In conclusion, GE protected the thyroid structure from the damaging effect of BPA oxidative stress through its anti-oxidant effect, thus preserving thyroid activity.</p>","PeriodicalId":23430,"journal":{"name":"Ultrastructural Pathology","volume":null,"pages":null},"PeriodicalIF":1.1,"publicationDate":"2024-08-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142073897","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
Morphological and histopathological changes of maternal levetiracetam on the cerebellar cortex of the offspring of albino rat. 母体左乙拉西坦对白化大鼠后代小脑皮层的形态学和组织病理学变化
IF 1.1 4区 医学
Ultrastructural Pathology Pub Date : 2024-07-03 Epub Date: 2024-06-08 DOI: 10.1080/01913123.2024.2353064
Safaa M Hanafy
{"title":"Morphological and histopathological changes of maternal levetiracetam on the cerebellar cortex of the offspring of albino rat.","authors":"Safaa M Hanafy","doi":"10.1080/01913123.2024.2353064","DOIUrl":"10.1080/01913123.2024.2353064","url":null,"abstract":"<p><p>Levetiracetam (LEV) is being used by women with reproductive-age epilepsy at a significantly higher rate. The purpose of the study was to assess how levetiracetam treatment during pregnancy affected the offspring's weight and cerebellum. Forty pregnant rats were divided into two groups (I, II). Two smaller groups (A, B) were created from each group. The rats in group I were gavaged with approximately 1.5 mL/day of distilled water either continuously during pregnancy (for subgroup IA) or continuously during pregnancy and 14 days postpartum (for subgroup IB). The rats in group II were gavaged with about 1.5 mL/day of distilled water (containing 36 mg levetiracetam) either continuously during pregnancy (for subgroup IA) or continuously during pregnancy and 14 days postpartum (for subgroup IB). After the work was completed, the body weight of the pups in each group was recorded, and their cerebella were analyzed histologically and morphometrically. Following levetiracetam treatment, the offspring showed decreased body weight and their cerebella displayed delayed development and pathological alterations. These alterations manifested as, differences in the thicknesses of the layers of cerebellar cortex as compared to the control groups; additionally, their cells displayed cytoplasmic vacuolation, nuclear alterations, fragmented rough endoplasmic reticulum and lost mitochondrial cristae. Giving levetiracetam to pregnant and lactating female rats had a negative impact on the body weight and cerebella of the offspring. Levetiracetam should be given with caution during pregnancy and lactation.</p>","PeriodicalId":23430,"journal":{"name":"Ultrastructural Pathology","volume":null,"pages":null},"PeriodicalIF":1.1,"publicationDate":"2024-07-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141293737","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
Can the analysis of chromatin texture and nuclear fractal dimensions serve as effective means to distinguish non-invasive follicular thyroid neoplasm with papillary-like nuclear features from other malignancies with follicular pattern in the thyroid?: a study. 染色质纹理和核分形尺寸分析能否作为有效手段,将具有乳头状核特征的非侵袭性甲状腺滤泡性肿瘤与其他具有甲状腺滤泡形态的恶性肿瘤区分开来?
IF 1.1 4区 医学
Ultrastructural Pathology Pub Date : 2024-07-03 Epub Date: 2024-06-03 DOI: 10.1080/01913123.2024.2362758
Geet Bhuyan, Anjumoni Rabha
{"title":"Can the analysis of chromatin texture and nuclear fractal dimensions serve as effective means to distinguish non-invasive follicular thyroid neoplasm with papillary-like nuclear features from other malignancies with follicular pattern in the thyroid?: a study.","authors":"Geet Bhuyan, Anjumoni Rabha","doi":"10.1080/01913123.2024.2362758","DOIUrl":"10.1080/01913123.2024.2362758","url":null,"abstract":"<p><strong>Objective: </strong>Thyroid carcinoma ranks as the 9th most prevalent global cancer, accounting for 586,202 cases and 43,636 deaths in 2020. Computerized image analysis, utilizing artificial intelligence algorithms, emerges as a potential tool for tumor evaluation.</p><p><strong>Aim: </strong>This study aims to assess and compare chromatin textural characteristics and nuclear dimensions in follicular neoplasms through gray-level co-occurrence matrix (GLCM), fractal, and morphometric analysis.</p><p><strong>Method: </strong>A retrospective cross-sectional study involving 115 thyroid malignancies, specifically 49 papillary thyroid carcinomas with follicular morphology, was conducted from July 2021 to July 2023. Ethical approval was obtained, and histopathological examination, along with image analysis, was performed using ImageJ software.</p><p><strong>Results: </strong>A statistically significant difference was observed in contrast (2.426 (1.774-3.412) vs 2.664 (1.963-3.610), <i>p</i> = .002), correlation (1.202 (1.071-1.298) vs 0.892 (0.833-0.946), <i>p</i> = .01), and ASM (0.071 (0.090-0.131) vs 0.044 (0.019-0.102), <i>p</i> = .036) between NIFTP and IFVPTC. However, morphometric parameters did not yield statistically significant differences among histological variants.</p><p><strong>Conclusion: </strong>Computerized image analysis, though promising in subtype discrimination, requires further refinement and integration with traditional diagnostic parameters. The study suggests potential applications in scenarios where conventional histopathological assessment faces limitations due to limited tissue availability. Despite limitations such as a small sample size and a retrospective design, the findings contribute to understanding thyroid carcinoma characteristics and underscore the need for comprehensive evaluations integrating various diagnostic modalities.</p>","PeriodicalId":23430,"journal":{"name":"Ultrastructural Pathology","volume":null,"pages":null},"PeriodicalIF":1.1,"publicationDate":"2024-07-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141199965","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
Infection as a trigger of acute, transient glomerular deposition of clonal immunoglobulins. 感染是克隆免疫球蛋白急性、一过性肾小球沉积的诱因。
IF 1.1 4区 医学
Ultrastructural Pathology Pub Date : 2024-07-03 Epub Date: 2024-05-16 DOI: 10.1080/01913123.2024.2356112
Bangchen Wang, Micah Schub, Derrick L Robinson, David N Howell
{"title":"Infection as a trigger of acute, transient glomerular deposition of clonal immunoglobulins.","authors":"Bangchen Wang, Micah Schub, Derrick L Robinson, David N Howell","doi":"10.1080/01913123.2024.2356112","DOIUrl":"10.1080/01913123.2024.2356112","url":null,"abstract":"<p><p>Glomerular deposition of monoclonal IgM, frequently in the form of intracapillary pseudothrombi, can be seen in Waldenström macroglobulinemia (WM) and type I cryoglobulinemia (CG). They are typically associated with plasma cell or B-lymphoid neoplasms, particularly lymphoplasmacytic lymphoma (LPL). While infection is a frequent trigger of mixed (type II and III) CG, its association with type I CG is uncommon. We report two cases in which striking lambda-chain-restricted IgM deposits and acute kidney injury (AKI) occurred in the setting of known or suspected systemic infections, with prompt resolution on treatment of the infection.</p>","PeriodicalId":23430,"journal":{"name":"Ultrastructural Pathology","volume":null,"pages":null},"PeriodicalIF":1.1,"publicationDate":"2024-07-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140946049","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
Hydralazine use can be associated with IgM-dominated immune complex-mediated glomerulonephritis. 使用氯丙嗪可能与 IgM 主导的免疫复合物介导的肾小球肾炎有关。
IF 1.1 4区 医学
Ultrastructural Pathology Pub Date : 2024-07-03 Epub Date: 2024-04-29 DOI: 10.1080/01913123.2024.2346660
Ping L Zhang, Brandon D Metcalf, Sarang Khan, Jamal Abukhaled, Khalid Zafar, Wei Li, Hassan D Kanaan
{"title":"Hydralazine use can be associated with IgM-dominated immune complex-mediated glomerulonephritis.","authors":"Ping L Zhang, Brandon D Metcalf, Sarang Khan, Jamal Abukhaled, Khalid Zafar, Wei Li, Hassan D Kanaan","doi":"10.1080/01913123.2024.2346660","DOIUrl":"10.1080/01913123.2024.2346660","url":null,"abstract":"<p><strong>Context: </strong>IgM-dominant immune complex-mediated glomerulonephritis (IgM-dominant ICMGN) is a rare renal entity, characterized by a membranoproliferative pattern by light microscopy, dominant IgM staining by immunofluorescent staining, and subendothelial deposits by electron microscopy. This study was to investigate if some of IgM-ICMGN were associated with autoimmune disorders induced by hydralazine.</p><p><strong>Design: </strong>Seven IgM-dominant ICMGN cases were identified over 8 years. Their pathologic phenotypes and clinical scenarios were analyzed in detail.</p><p><strong>Results: </strong>Patients' ages ranged from 47 to 87 years old with 5 women and two men. Six of seven patients had drug-induced autoimmune phenomenon (hydralazine-induced positive ANCA and ANA). All of them had renal dysfunction and some proteinuria. Most pathologic features showed a membranoproliferative pattern of glomerulonephritis with dominant IgM deposits at subendothelial spaces. IgM nephropathy (a variant of focal segmental glomerulosclerosis), chronic thrombotic microangiopathy, and cryoglobulinemic glomerulopathy were ruled out in the cases.</p><p><strong>Conclusion: </strong>The hydralazine-induced autoimmune phenomenon can be seen in IgM-dominant ICMGN, which should be classified as a subtype of membranoproliferative glomerulonephritis.</p>","PeriodicalId":23430,"journal":{"name":"Ultrastructural Pathology","volume":null,"pages":null},"PeriodicalIF":1.1,"publicationDate":"2024-07-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140857942","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
Chronic liver fibrosis induction in aging causes significant ultra-structural deterioration in liver and alteration on immune response gene expressions in liver-spleen axis. 衰老诱导的慢性肝纤维化会导致肝脏超结构显著恶化,并改变肝脾轴心的免疫反应基因表达。
IF 1.1 4区 医学
Ultrastructural Pathology Pub Date : 2024-07-03 Epub Date: 2024-06-06 DOI: 10.1080/01913123.2024.2360447
Zeynal Mete Karaca, Gamze Karaca, Başak Kayhan, Mehmet Gül, Veysel Ersan, Harika Gözükara Bağ, Elif Yeşilada
{"title":"Chronic liver fibrosis induction in aging causes significant ultra-structural deterioration in liver and alteration on immune response gene expressions in liver-spleen axis.","authors":"Zeynal Mete Karaca, Gamze Karaca, Başak Kayhan, Mehmet Gül, Veysel Ersan, Harika Gözükara Bağ, Elif Yeşilada","doi":"10.1080/01913123.2024.2360447","DOIUrl":"10.1080/01913123.2024.2360447","url":null,"abstract":"<p><p>The relationship between damage to the liver and spleen by aging and the immune response status in these two organs, which are anatomically and immunologically interconnected, is unknown. The authors investigated the histopathological, ultrastructural, and immunological effects of aging in young and aged fibrotic mice by using an experimental model. Four groups were planned, with 10 mice in each experimental group. The levels of fibrosis and ultrastructural destruction in the liver were determined by α-SMA staining and TEM analysis. Expression levels of immunity genes (<i>Il2, Il4, Il6, Il10, Il12, Il17, Tnf</i>, <i>Ifng</i>, <i>Tgfb1, Gata3, Rorc, Tbx21, Foxp3, Ccl2, Ccr2, Cxcr3, Pf4, Cxcl10</i>) were carried out by qRT-PCR. While structural disorders were detected in the mitochondria of aged healthy group, cellular destruction in the fibrosis-induced elderly group was at a dramatic level. Fibrosis induction in aged mice caused an elevation in the expression of chemokines (CCl2, CXCL10, CCR2) and cytokine (IL-17a) genes that induce autoinflammatory response in the liver. Unlike the cellular pathology and genes activated in fibrosis in youth and the natural occurrence of fibrosis with aging, induction of fibrosis during aging causes deterioration in the liver and expression of genes responsible for autoimmunity in both the liver and spleen.</p>","PeriodicalId":23430,"journal":{"name":"Ultrastructural Pathology","volume":null,"pages":null},"PeriodicalIF":1.1,"publicationDate":"2024-07-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141262983","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
The potential therapeutic effects of exosomes derived from bone marrow mesenchymal stem cells on ileum injury of a rat sepsis model (histological and immunohistochemical study). 骨髓间充质干细胞外泌体对败血症模型大鼠回肠损伤的潜在治疗作用(组织学和免疫组化研究)。
IF 1.1 4区 医学
Ultrastructural Pathology Pub Date : 2024-07-03 Epub Date: 2024-07-01 DOI: 10.1080/01913123.2024.2368011
Heba M Elnegris, Abeer A Abdelrahman, Eman S El-Roghy
{"title":"The potential therapeutic effects of exosomes derived from bone marrow mesenchymal stem cells on ileum injury of a rat sepsis model (histological and immunohistochemical study).","authors":"Heba M Elnegris, Abeer A Abdelrahman, Eman S El-Roghy","doi":"10.1080/01913123.2024.2368011","DOIUrl":"https://doi.org/10.1080/01913123.2024.2368011","url":null,"abstract":"<p><p>Sepsis denotes a serious high mortality concern. The study was designed to evaluate the effect of mesenchymal stem cell exosomes (MSC-exosomes) on the evolution of the animal model of sepsis. In this study, 36 rats were distributed into three groups, (I) controls, (II) LPS-treated, and (III) LPS+MSC-EVs. Sepsis was simulated by administering E. coli-LPS to the laboratory animals. Group III was given MSC-exosomes four hours after the LPS injection. Forty-eight hours later rats were sacrificed. Ileum samples were excised, and processed for the histological assessment, immunohistochemical identification of CD44, and inducible nitric oxide synthase (iNOS). Ileum homogenate was used to estimate tumor necrosis factor α (TNF α) besides Cyclooxygenase-2 (COX 2). PCR was used for the detection of interleukin 1α (IL‑1α), and interleukin 17 (IL‑17). Statistical and morphometrical analysis was done. The LPS-treated group showed increased TNF-α, IL‑1α, IL‑17, and decreased COX 2. LPS administration led to cytoplasmic vacuolization of enterocytes, an increase in the vasculature, and cellular infiltrations invaded the lamina propria. There was a significant rise in goblet cells and the proportion of collagen fibers. Ultrastructurally, the enterocytes displayed nuclear irregularity, rough endoplasmic reticulum (rER) dilatation, and increased mitochondria number. Sepsis induces a significant increase in iNOS and a decrease in CD44 immune expressions. LPS+MSC-EVs group restored normal ileum structure and revealed a significant elevation in CD44 and a reduction in iNOS immunoreactions. LPS-sepsis induced an obvious ileum inflammatory deterioration ameliorated by MSC-exosomes, mostly through their antioxidant, anti-inflammatory, and anti-apoptotic properties.</p>","PeriodicalId":23430,"journal":{"name":"Ultrastructural Pathology","volume":null,"pages":null},"PeriodicalIF":1.1,"publicationDate":"2024-07-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141471056","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
Unveiling renal pathology's potential: exploring a rare subtype of amyloid - apolipoprotein CII amyloidosis in the youngest patient: a case report and literature review. 揭示肾脏病理学的潜力:探索一种罕见的淀粉样蛋白亚型--最年轻患者的载脂蛋白CII淀粉样变性:病例报告和文献综述。
IF 1.1 4区 医学
Ultrastructural Pathology Pub Date : 2024-07-03 Epub Date: 2024-05-20 DOI: 10.1080/01913123.2024.2353397
Yiqin Zuo, Fiona Hanly, Duo Li, Efren Chavez, Omar Aljuboori, Gabriel Contreras, Guillermo A Herrera
{"title":"Unveiling renal pathology's potential: exploring a rare subtype of amyloid - apolipoprotein CII amyloidosis in the youngest patient: a case report and literature review.","authors":"Yiqin Zuo, Fiona Hanly, Duo Li, Efren Chavez, Omar Aljuboori, Gabriel Contreras, Guillermo A Herrera","doi":"10.1080/01913123.2024.2353397","DOIUrl":"10.1080/01913123.2024.2353397","url":null,"abstract":"<p><p>In this clinical case report, we present a rare subtype of amyloidosis, apolipoprotein CII (apo CII), which was diagnosed through a renal biopsy and subsequently confirmed by identifying the p.K41T mutation via germline DNA sequencing. Upon reviewing the literature, five patients exhibiting identical mutation were identified via renal biopsy, while an additional patient was diagnosed through biopsies of the fat pad and bone marrow. Notably, our patient is the youngest recorded case. We pioneered the application of immunofluorescence and immunogold electron microscopy techniques for apo CII evaluation. Our report provides a detailed description of this case, supplemented by an extensive review encompassing apo CII, documented instances of apo CII amyloidosis with renal or systemic involvement, and potential underlying mechanisms.</p>","PeriodicalId":23430,"journal":{"name":"Ultrastructural Pathology","volume":null,"pages":null},"PeriodicalIF":1.1,"publicationDate":"2024-07-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141071989","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
Effect of peripheral blood mononuclear cells on ischemia-reperfusion injury of sciatic nerve of adult male albino rat: histological, immunohistochemical, and ultrastructural study. 外周血单核细胞对成年雄性白化大鼠坐骨神经缺血再灌注损伤的影响:组织学、免疫组织化学和超微结构研究。
IF 1 4区 医学
Ultrastructural Pathology Pub Date : 2024-05-03 Epub Date: 2024-02-29 DOI: 10.1080/01913123.2024.2321144
Shaimaa Mostafa Kashef, Suzan Elsayed Abo Elnasr
{"title":"Effect of peripheral blood mononuclear cells on ischemia-reperfusion injury of sciatic nerve of adult male albino rat: histological, immunohistochemical, and ultrastructural study.","authors":"Shaimaa Mostafa Kashef, Suzan Elsayed Abo Elnasr","doi":"10.1080/01913123.2024.2321144","DOIUrl":"10.1080/01913123.2024.2321144","url":null,"abstract":"<p><p>Ischemia/reperfusion (I/R) injury of sciatic nerve is a serious condition that results in nerve fiber degeneration, and reperfusion causes oxidative injury. Peripheral blood mononuclear cells (PBMNCs) have neuroregenerative power. This study was carried out to evaluate the potential ameliorative effect of PBMNCs on changes induced by I/R injury of the sciatic nerve. Fifty adult male albino rats were divided into donor and experimental groups that were subdivided into four groups: group I (control group), group II received 50 µL PBNMCs once intravenously via the tail vein, group III rubber tourniquet was placed around their Rt hind limb root for 2 hours to cause ischemia, group IV was subjected to limb ischemia as group III, then they were injected with 50 ul PBMNCs as group II before reperfusion. I/R injury showed disorganization of nerve fascicles with wide spaces in between nerve fibers. The mean area of collagen fibers, iNOS immunoexpression, and number of GFAP-positive Schwann cells of myelinated fibers showed a highly significant increase, while a highly significant reduction in the G-ratio and neurofilament immunoexpression was observed. Myelin splitting, invagination, evagination, and myelin figures were detected. PBMNC-treated group showed a marked improvement that was confirmed by histological, immunohistochemical, and ultrastructural findings.</p>","PeriodicalId":23430,"journal":{"name":"Ultrastructural Pathology","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2024-05-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139991285","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
Ultrastructural differences between synovial sarcoma and solitary fibrous tumor: comparative study in adult patients from the National Cancer Institute of Mexico. 滑膜肉瘤与单发纤维瘤的超微结构差异:墨西哥国家癌症研究所成年患者的比较研究。
IF 1 4区 医学
Ultrastructural Pathology Pub Date : 2024-05-03 Epub Date: 2024-02-13 DOI: 10.1080/01913123.2024.2313742
Guillermo Ernesto Corredor-Alonso, Leonardo Saúl Lino-Silva, Erika Yazmin López-Flores, Tatiana Velásquez-Tovar, Hugo Ricardo Domínguez-Malagón
{"title":"Ultrastructural differences between synovial sarcoma and solitary fibrous tumor: comparative study in adult patients from the National Cancer Institute of Mexico.","authors":"Guillermo Ernesto Corredor-Alonso, Leonardo Saúl Lino-Silva, Erika Yazmin López-Flores, Tatiana Velásquez-Tovar, Hugo Ricardo Domínguez-Malagón","doi":"10.1080/01913123.2024.2313742","DOIUrl":"10.1080/01913123.2024.2313742","url":null,"abstract":"<p><p>Synovial sarcoma (SS) and solitary fibrous tumor (SFT) are entities with considerable morphological and immunohistochemical similarities that sometimes show a non-confirmatory profile (TLE1 negative, CD34 and focal or negative STAT6 and lack of specific fusion IHC markers), in which the utility ultrastructure is unknown. A cross-sectional, retrospective, analytical, nonexperimental study was carried out by the Department of Pathology of the National Cancer Institute of Mexico (INCan) e from January 1, 2009 to December 31, 2018. With 17 SFT cases with diffuse or focal CD34 and STAT6 positivity and 18 cases of SS with positive FISH molecular test t(X:18) breakapart were studied by electron microscopy of fresh glutaraldehyde fixed or paraffin-embedded tissue. The ultrastructural findings with a significant difference present in the SS were tandem tight junctions, desmosomes and abundance of dilated rough endoplasmic reticulum (RER) cisternae (<i>p</i> < 0.001, 0.003, and 0.001, respectively); while in the (SFT) the presence of abundant glycogen, basal lamina, long and slender cytoplasmic processes, pinocytic vesicles, hemidesmosomes, and/or dense plaques, collagen skein, and microvilli-like buds (<i>p</i> = 0.028, 0.005, and <0.001 for the last five). We then infer that the five distinctive markers of the SFT are the collagen skeins intermingled with cellular processes in a shape of \"squid can,\" and the pinocytic vesicles as they were not observed in any case of SS. Conversely, tandem junctions were not found in any SFT case. Although the presence of multivesicular buds in the SFT was not significant, it had not been previously described.</p>","PeriodicalId":23430,"journal":{"name":"Ultrastructural Pathology","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2024-05-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139724194","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
0
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
提示
您的信息不完整,为了账户安全,请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
确定
请完成安全验证×
相关产品
×
本文献相关产品
联系我们:info@booksci.cn Book学术提供免费学术资源搜索服务,方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。 Copyright © 2023 布克学术 All rights reserved.
京ICP备2023020795号-1
ghs 京公网安备 11010802042870号
Book学术文献互助
Book学术文献互助群
群 号:481959085
Book学术官方微信