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Search Results (21)
  • Open Access

    REVIEW

    Molecular Pathology of Ovarian Endometrioid Carcinoma: A Review

    Hiroshi Yoshida1,*, Mayumi Kobayashi Kato2

    Oncology Research, Vol.33, No.12, pp. 3701-3730, 2025, DOI:10.32604/or.2025.068432 - 27 November 2025

    Abstract Ovarian endometrioid carcinoma (OEC) accounts for ~10% of epithelial ovarian cancers and displays broad morphologic diversity that complicates diagnosis and grading. Recent data show that the endometrial cancer molecular taxonomy (DNA polymerase epsilon, catalytic subunit [POLE]-ultramutated, mismatch repair-deficient [MMRd], p53-abnormal, no specific molecular profile [NSMP]) also applies to OEC, and that OEC is enriched for Lynch syndrome–associated tumors, supporting routine MMR testing. We aimed to synthesize contemporary evidence spanning epidemiology, histopathology and immunophenotype, diagnostic pitfalls and differential diagnosis, and to evaluate the clinical utility of The Cancer Genome Atlas (TCGA)-surrogate molecular classification for risk stratification; More >

  • Open Access

    ARTICLE

    SR-BI expression regulates the gastric cancer tumor immune microenvironment and is associated with poor prognosis

    YI WANG1,#, SHANGQI CHEN2,#, PENGCHENG YU1, ZHEHAN BAO1, CAN HU1, YUHANG XIA1, RUOLAN ZHANG1, LI YUAN3,4, HUA RUAN5,*, JIANCHENG SUN6,*

    BIOCELL, Vol.47, No.5, pp. 991-1002, 2023, DOI:10.32604/biocell.2023.028587 - 10 April 2023

    Abstract Aim: Scavenger receptor class B, type I (SR-BI) is an integral plasma membrane protein that has been reported to be overexpressed in various malignancies, such as renal cancer, breast cancer, and prostate cancer, and is an independent prognostic factor. However, the clinical value and expression of SR-BI in GC are unknown. Our research aimed to explore the role of SR-BI in combination with immune markers as a diagnostic and prognostic marker for gastric cancer (GC). Methods: GC tissues, paracancerous tissues, and clinicopathological data of 149 patients were collected. The expression level of SR-BI, Tumor-infiltrating lymphocytes (TILs),… More >

  • Open Access

    ARTICLE

    Standardizing immunohistochemistry methodology for evaluation of PD-1 and PDL-1 expression in upper tract urothelial carcinoma

    Luca Campedel1,†, Thomas Seisen1,†, Justine Varinot2, Géraldine Cancel-Tassin2,3,#, Alain Ruffion4, Emilien Seizilles De Mazancourt4, Myriam Decaussin-Petrucci5, Grégoire Robert6, Nam-Son Vuong6, Magali Philipp7, Eva Compérat2,3,#, Morgan Rouprêt1,3,#, Olivier Cussenot2,3,#

    Canadian Journal of Urology, Vol.28, No.3, pp. 10719-10724, 2021

    Abstract Introduction: Controversy regarding the prognostic and/or predictive role of PD-1 and PD-L1 expression for upper tract urothelial carcinoma (UTUC) could partly be explained by inconsistencies in the immunohistochemistry (IHC) methodology. The objective is to standardize the methodology for routine evaluation of PD-1 and PD-L1 expression in UTUC patients.
    Materials and methods: Twenty-two cases treated with radical nephroureterectomy between 1996 and 2015 at 11 French hospitals were randomly selected to compare different methodologies for evaluation of PD-1 and PD-L1 expression. IHC was carried out on whole tissue sections and 0.6 mm- or 2 mm-core tissue micro-arrays (TMAs) using… More >

  • Open Access

    ARTICLE

    Clinical Significance of PD-L1 Expression and CD8-Positive Tumor-Infiltrating Lymphocytes in Patients with Cavitary Lung Adenocarcinoma

    Jiangyong Liu1,#,*, Mingming Gu2,#, Yang Xue1, Qiong Wang3, Yong Ren3, Wencai Huang1,*

    Oncologie, Vol.23, No.3, pp. 439-452, 2021, DOI:10.32604/oncologie.2021.017220 - 26 September 2021

    Abstract Cavitary lung cancer is a rare type of lung cancer. Generally, the relationship between cavitary lung adenocarcinoma (LUAD) and specific immune checkpoints remains unknown. In this study, we aimed to detect the expression of programmed cell death ligand-1(PD-L1) and the density of CD8-positive (CD8+) tumor-infiltrating lymphocytes (TILs) to evaluate their clinicopathological significance in the case of patients with cavitary LUAD. This study included 65 patients with cavitary LUAD. Patient specimens were obtained from surgery. The expression of PD-L1 protein and CD8+ TIL status was detected by traditional immunohistochemistry and multiplex quantitative immunofluorescence technology. The correlation of… More >

  • Open Access

    ARTICLE

    Structural and Histochemical Features of the Slow-Growing Perennial Coptis chinensis Franch. (Ranunculaceae)

    Jingyuan Yang1, Jie Zhou1, Jiaojiao Jin1, Yi Li2, Xia Zhang3, Teng Li3, Mengdi Zhang3, Xiaodong Cai3, Chaodong Yang3, Cunyu Zhou3,*

    Phyton-International Journal of Experimental Botany, Vol.90, No.6, pp. 1685-1696, 2021, DOI:10.32604/phyton.2021.015533 - 28 June 2021

    Abstract Huanglian (Coptis chinensis Franch.) is a slow-growing perennial medicinal herb with considerable economic value. This study aimed to determine the structural characteristics and the levels of berberine deposits in the organs and tissues of Huanglian using light and epifluorescence microscopy. The adventitious roots are composed of primary and secondary structures with endodermis, exodermis, and phellem. The rhizome structures are composed of primary and secondary structures with cuticle and phellem. The leaves are composed of sclerenchymatous rings, isolateral mesophyll, and thin cuticles. We detected berberine in the xylem walls of the roots and rhizomes as well as More >

  • Open Access

    ARTICLE

    Study on the clinical significance of TRPV2 and MMP2 expressions in ovarian cancer

    XIAOPANG REN#, WANJIAO HAO#, JIN LIU, YE LI, BING WANG, XINHUI ZU, HUILING XUE*

    BIOCELL, Vol.45, No.3, pp. 521-526, 2021, DOI:10.32604/biocell.2021.012137 - 03 March 2021

    Abstract Ovarian cancer was one of the most common malignant tumors in female reproductive organs. Moreover, epithelial ovarian cancer showed the highest mortality rate in gynecological tumors, posing serious threats to women’s life and health. Transient Receptor Potential Cation Channel Subfamily V Member 2 (TRPV2) and matrix metalloproteinase-2 MMP-2 have been found to play important roles in regulating the pathogenesis of most tumors, but there were few studies exploring the relationships of TRPV2 and MMP-2 in OC. Therefore, we evaluated the expression of TRPV2 and MMP-2 proteins in cancer tissues and adjacent normal tissues of OC… More >

  • Open Access

    ARTICLE

    A comparative pattern of lectin-binding in the endometrial glands of the uterus and placenta of healthy buffaloes and bovines at early gestation

    SERGIO GASTÓN CASPE1, JOSÉ LUIS KONRAD2, DADIN PRANDO MOORE3, JUAN MANUEL SALA1, LILIAN LISCHINSKY3, CARLOS MANUEL CAMPERO3, CLAUDIO GUSTAVO BARBEITO4,*

    BIOCELL, Vol.45, No.2, pp. 331-337, 2021, DOI:10.32604/biocell.2021.010701 - 19 February 2021

    Abstract Water buffalo (Bubalus bubalis) and domestic cattle (Bos taurus) are closely related species. However, embryo transfer interspecies has been attempted without any success. The failure in hybrid embryo-implantation is associated with the glycocode in the maternal-fetal interface. Glycosylation patterns have been studied in different species of ruminants; however, in B. bubalis, only the binucleated cells (BNC) have been analyzed. This glycocode is essential for a successful embryo-implantation and can be defined by Lectin-Histochemistry (LHC). The aim of this study is to compare the glycosylation pattern of placenta and uterus in water buffaloes and cattle by LHC. Tissue samples… More >

  • Open Access

    ARTICLE

    A Panel of Tumor Biomarkers to Predict Complete Pathological Response to Neoadjuvant Treatment in Locally Advanced Rectal Cancer

    Chiara Dalle Fratte*, Silvia Mezzalira*, Jerry Polesel, Elena De Mattia*, Antonio Palumbo, Angela Buonadonna§, Elisa Palazzari, Antonino De Paoli, Claudio Belluco#, Vincenzo Canzonieri‡** , Giuseppe Toffoli*, Erika Cecchin*

    Oncology Research, Vol.28, No.9, pp. 847-855, 2020, DOI:10.3727/096504021X16232280278813

    Abstract Pathological complete response after neoadjuvant chemoradiotherapy in locally advanced rectal cancer patients is related to a favorable prognosis. The identification of early biomarkers predictive of pathological complete response would help optimize the multimodality management of the patients. A panel of 11 tumor-related proteins was investigated by immunohistochemistry in the pretreatment biopsy of a group of locally advanced rectal cancer patients to identify early biomarkers of pathological complete response to neoadjuvant chemoradiotherapy. A mono-institutional retrospective cohort of 95 stage II/III locally advanced rectal cancer patients treated with neoadjuvant chemoradiotherapy and surgery was selected based on clinical–pathological… More >

  • Open Access

    ARTICLE

    Alpha-dystroglycan staining pattern and mortality in patients undergoing radical prostatectomy with lymph node positive prostate cancer

    Ahmad N. Alzubaidi1, Kenneth G. Nepple1, Annah Vollstedt1, Laila Dahmoush3, Deqin Ma3, Michael D. Henry1,2,3,4, James A. Brown1,4

    Canadian Journal of Urology, Vol.26, No.6, pp. 10054-10060, 2019

    Abstract Introduction: Dystroglycan (DG) is a cell surface receptor for extracellular matrix proteins involved in tissue mechanical stability and matrix organization. Initial work has demonstrated that alpha-DG expression is decreased in many types of adenocarcinoma, including prostate, and potentially associated with the development of metastatic disease. However, the consistency between prostate and lymph node alpha-DG staining has not been previously reported. Additionally, identification of an immunohistochemical marker associated with prostate cancer grade, stage, need for adjuvant or salvage therapy, and mortality would have potential clinical value.
    Materials and methods: Node-positive, margin-negative radical prostatectomy specimens from a single institution… More >

  • Open Access

    ARTICLE

    Histopathological patterns of ovarian lesions: A study of 161 cases

    Abdulkareem Younis SULEIMAN1, Intisar Salim PITY2, Mohammed R MOHAMMED2, Bashar Abduljabar HASSAWI2

    BIOCELL, Vol.43, No.3, pp. 175-181, 2019, DOI:10.32604/biocell.2019.06884

    Abstract Ovarian lesions are commonly encountered pathologies that cannot be categorized clinicoradiologically. Definite diagnosis is of great importance for therapeutic and prognostic purposes. Histopathology gives accurate diagnosis in most cases. Few cases need supportive tests like immunohistochemistry. Objective: to study the histomorphological diversity of ovarian lesions, their age and location in North of Iraq (Mosul and Duhok). Patients and methods: In the period extended from January 2008 to December 2011, 161 cases of ovarian lesions were collected from pathology departments in Azadi General Hospital “Duhok” and Al-Jamhori Teaching Hospital “Mosul”. Automated tissue processor was used More >

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