نتایج جستجو برای: primary and metastatic melanoma
تعداد نتایج: 16947239 فیلتر نتایج به سال:
PURPOSE The chemokine CC-ligand 21/secondary lymphoid tissue chemokine (CCL21/SLC) regulates the homing of naïve T cells and dendritic cells that express CC-chemokine receptor 7 (CCR7) from distant sites to lymphoid tissue such as lymph nodes. We hypothesized that CCL21/SLC regulates the migration of CCR7-bearing melanoma cells from a primary lesion to regional tumor-draining lymph nodes. EXP...
Primary small bowel tumours are rare. However, alongwith stomach it is the most frequent site for metastatic tumours, malignant melanoma being the commonest tumour. The prevalence of malignant melanoma in the gastrointestinal tract without any evidence of a primary lesion in the skin or any other site is extremely rare.
Background and Objective: The frequency and pattern of eye neoplasms differ in various geographic areas. Our aim was to determine the distribution of patient age, gender, ocular tumor origin, location and histological type in our region. Materials and Methods: In this cross-sectional study, all of the 384 eye globe enucleation cases carried out during a 10-year period in Farabi Medical Cent...
UNLABELLED Recent whole genome melanoma sequencing studies have identified recurrent mutations in the gene encoding the catalytic subunit of serine/threonine phosphatase 6 (PPP6C/PP6C). However, the biochemical, functional, and clinical ramifications of these mutations are unknown. Sequencing PP6C from patients with melanoma (233 primary and 77 metastatic specimens) with extended prospective cl...
metastatic tumors to the heart unlike primary cardiac tumors are not rare. despite its frequency, cardiac metastasis is commonly detected only during autopsy as the symptoms of disseminated metastasis prevail over symptoms caused by cardiac metastasis and hence is overlooked most of the time. tumors more commonly found metastasizing to the heart are malignancies of lung, breast, esophagus, lymp...
Purpose: To investigate the effects of split dose irradiation on primary and metastatic uveal melanoma cell lines using a clonogenic survival assay. Methods: Appropriate cell concentrations of four primary and four metastatic human uveal melanoma cell lines were cultured for irradiation with single doses and with two equal fractions separated by 5 h. After irradiation colony formation was allow...
Neuropilin 1 (NRP1), a receptor of vascular endothelial growth factor (VEGF), promotes angiogenesis, tumor growth, tumor invasion and metastasis. However, the function of NRP1 in melanoma progression, as well as the effect of NRP1 expression on the prognosis of patients with melanoma remains unknown. In the present study, NRP1 expression was examined in 460 cases of melanocytic lesions (28 comm...
The present study aimed to investigate, as a follow-up of microarray profiling, the expression of the lysosomal cysteine protease cathepsin S and that of its endogenous inhibitor cystatin C in the most common primary intraocular tumor in adults, uveal melanoma. The expression pattern unveiled was characterized by a relative increase in the active form of the elastolytic and collagenolytic cathe...
Three patients are reported who developed a melanoma while taking levodopa for Parkinson's disease. There were two cutaneous melanomas and one metastatic melanoma with occult primary. The literature on the association of Parkinson's disease, levodopa therapy and melanoma is reviewed. The capacity of levodopa to induce melanomas and its alleged adverse effect on the clinical course of the diseas...
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