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الصفحة 1 من عند 362 النتائج

Targeted delivery of doxorubicin to tumour tissues by a novel legumain sensitive polygonal nanogel.

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Targeted delivery of cytotoxic drugs to tumour tissue has great importance for successful chemotherapy. Legumain is an asparaginyl endopeptidase that is highly up-regulated in a number of solid tumours. The aim of this work was to prepare a novel hyaluronic acid (HA) based legumain sensitive nanogel

Cytologic Features of SMARCA4-Deficient Thoracic Sarcoma: A Case Report and Comparison with Other SWI/SNF Complex-Deficient Tumors.

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BACKGROUND SMARCA4-deficient thoracic sarcoma is a recently proposed entity of soft tissue tumors associated with an extremely poor prognosis. Its cytologic features have not been well described in the literature yet. METHODS A woman in her early 30s who presented with chest pain was found to have a

Characteristics of three human gastric cancer cell lines, NU-GC-2, NU-GC-3 and NU-GC-4.

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Three human gastric cancer cell lines, NU-GC-2, NU-GC-3 and NU-GC-4 were established in vitro from the cancer tissues obtained from 3 patients during surgery. The pathological findings of the gastric tumors of these cases revealed poorly differentiated adenocarcinoma (and partial signet-ring cell

Tumor promoters induce a specific morphological signature in the nuclear matrix-intermediate filament scaffold of Madin-Darby canine kidney (MDCK) cell colonies.

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Tumor promoters such as phorbol 12-tetradecanoate 13-acetate (TPA), mezerein, teleocidin, aplysiatoxin, and benzoyl peroxide, although structurally unrelated, induce similar, profound changes in morphology in differentiated epithelial Madin-Darby canine kidney (MDCK) cell colonies. The alteration is

Association of ABCB1, β tubulin I, and III with multidrug resistance of MCF7/DOC subline from breast cancer cell line MCF7.

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Docetaxel is a first-line chemotherapeutic agent for treating advanced breast cancer. The development of chemoresistance or multidrug resistance (MDR), however, results in breast cancer chemotherapy failure. This study aims to explore the molecular mechanisms underlying docetaxel-resistance in

Primary malignant neuroectodermal tumor of the ileum with predominantly uncommon pseudopapillary architecture.

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A malignant gastrointestinal neuroectodermal tumor (GNET), a distinctive entity covering the characteristics of clear cell sarcoma (CCS) of gastrointestinal tract described recently, arising primarily in the ileum of a 33-year-old woman is reported. Histologically, the neoplasm involved the full

Malignant gastrointestinal neuroectodermal tumor: a case report and review of the literature.

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BACKGROUND Malignant gastrointestinal neuroectodermal tumor (GNET) is an extremely rare entity that was first described by Zambrano et al. in 2003 as "Clear cell sarcoma-like tumor of the gastrointestinal tract". It shares some of the histological features of clear cell sarcoma (CCS) but lacks the

Malignant gastrointestinal neuroectodermal tumor, presenting as a second malignancy after gastric adenocarcinoma: a case report and literature review.

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Malignant gastrointestinal neuroectodermal tumor (GNET), is a rare soft tissue sarcoma. Here we report a case of GNET arising in the intestine of a 33-year-old female, who had been treated for gastric adenocarcinoma with surgery and chemotherapy at the age of 19, in 2001. Since then, she underwent

Primary malignant gastrointestinal neuroectodermal tumor occurring in the ileum with intra-abdominal granulomatous nodules: A case report and review of the literature.

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Malignant gastrointestinal neuroectodermal tumors (GNETs) are rare aggressive malignant neoplasms that exclusively occur within the wall of the gastrointestinal tract. The GNET was first described as an 'osteoclast-rich tumor of the gastrointestinal tract with features resembling clear cell sarcoma

Virilizing stromal Leydig cell tumor (Leydig cell-containing thecoma) of the ovary in pregnancy. A case report with extensive immunohistochemical investigation of the tumor cells.

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The rare case of a stromal Leydig cell tumor of the ovary occurring in a 21-year-old woman who developed signs of virilization during pregnancy is reported. Serum androgen levels were markedly elevated. At cesarean section, a slightly hypotrophic, but otherwise normal, female infant was delivered

Apocrine Hidradenoma and Adenomyoepithelioma: Entities on a Biological Continuum of Adnexal Neoplasia.

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Apocrine hidradenomas (AH) once believed to harbor myoepithelial cells are now considered pure epithelial neoplasms. They are categorized separately from adenomyoepitheliomas which consist of apocrine epithelial and myoepithelial components. Reports of myoepithelial tumors arising in AH have

Clinicopathological Characteristics of Ovarian Sclerosing Stromal Tumor with an Emphasis on TFE3 Overexpression.

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A sclerosing stromal tumor is a very rare benign sex cord-stromal tumor of the ovary. Because its clinical presentation and imaging findings are similar to those of borderline or malignant epithelial tumors and other sex cord-stromal tumors, accurate preoperative clinical diagnosis can be difficult.

[Granular cell tumor of the esophagus].

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We report a new case of granular cell tumor (GCT) is a benign neoplasm in the esophagus (a rare location of which there are only described 80 cases. The tumor was diagnosed in a man aged 55 by endoscopy (asymptomatic from the esophagus point of view) during a chronic liver disease survey. The

[Large cell calcifying Sertoli cell tumor of the testis: a clinicopathological observation].

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OBJECTIVE To investigate the clinicopathological characteristics of large cell calcifying Sertoli cell tumor (LCCSCT) of the testis. METHODS We studied a case of LCCSCT by light microscopy, Western blotting and immunohistochemistry, reviewed relevant literature, and analyzed the clinical,

Alveolar soft part sarcoma presenting as a breast metastasis in a patient with a history of thyroid cancer: a case report.

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Metastases to the breast are uncommon, accounting for 0.5% of breast tumors, and most of them are originated from lymphoma, melanoma and carcinomas of various organs. Alveolar soft part sarcoma (ASPS) is a very rare neoplasm that is usually found in the lower extremities. Lungs are the common site

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Herbal & Natural Medicine

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