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A comparative study of long interspersed element-1 protein immunoreactivity in cutaneous malignancies.
BMC Cancer ( IF 3.4 ) Pub Date : 2020-06-17 , DOI: 10.1186/s12885-020-07050-6
Mohammad Ali Zolfaghari 1 , Abbas Karimi 1, 2 , Elham Kalantari 3 , Alireza Korourian 3 , Alireza Ghanadan 4 , Kambiz Kamyab 4 , Nafiseh Esmaili 2, 5 , Amir Nader Emami Razavi 6 , Zahra Madjd 3
Affiliation  

Skin cancer is the most common cancer worldwide and commonly classified into malignant melanoma (MM) and Nonmelanoma skin cancers (NMSCs), which mainly include basal cell carcinoma (BCC) and squamous cell carcinoma (SCC). The extent to which Long Interspersed Element-1 (LINE-1, L1) ORF1p is expressed in cutaneous malignancies remains to be evaluated. This study aimed to assess LINE-1 ORF1p immunoreactivity in various skin cancer subtypes. The expression level of LINE-1 ORF1p was evaluated in 95 skin cancer specimens comprising 36 (37.9%) BCC, 28 (29.5%) SCC, and 31 (32.6%) melanoma using the tissue microarray (TMA) technique. Then the association between expression of LINE-1 encoded protein and clinicopathological parameters was analyzed. We showed that LINE-1 ORF1p expression level was substantially higher in BCC and SCC patients compared with melanoma samples (p < 0.001). BCC cases had a higher LINE-1 histochemical score (H-score) compared with SCC cases (p = 0.004). In SCC samples, a lower level of LINE-1 ORF1p expression was associated with age younger than the mean (p = 0.041). At the same time, no significant correlation was found between LINE-1 ORF1p expression and other clinicopathological parameters (all p > 0.05). According to our observation, LINE-1 ORF1p immunoreactivity in various skin tumor subtypes extends previous studies of LINE-1 expression in different cancers. LINE-1ORF1p overexpression in NMSCs compared with MM can be considered with caution as a tumor-specific antigen for NMSCs.

中文翻译:

长期在皮肤恶性肿瘤中散布的element-1蛋白免疫反应性的比较研究。

皮肤癌是全世界最常见的癌症,通常分为恶性黑色素瘤(MM)和非黑色素瘤皮肤癌(NMSC),主要包括基底细胞癌(BCC)和鳞状细胞癌(SCC)。长时间散布的元素1(LINE-1,L1)ORF1p在皮肤恶性肿瘤中表达的程度仍有待评估。这项研究旨在评估各种皮肤癌亚型中的LINE-1 ORF1p免疫反应性。使用组织微阵列(TMA)技术评估了95份皮肤癌标本中LINE-1 ORF1p的表达水平,这些标本包括36个(37.9%)BCC,28个(29.5%)SCC和31个(32.6%)黑色素瘤。然后分析了LINE-1编码蛋白的表达与临床病理参数之间的关联。我们显示,与黑色素瘤样品相比,BCC和SCC患者的LINE-1 ORF1p表达水平明显更高(p <0.001)。与SCC病例相比,BCC病例的LINE-1组织化学评分(H评分)更高(p = 0.004)。在SCC样本中,较低水平的LINE-1 ORF1p表达与年龄小于平均年龄的年龄有关(p = 0.041)。同时,LINE-1 ORF1p表达与其他临床病理参数之间未发现显着相关性(所有p> 0.05)。根据我们的观察,各种皮肤肿瘤亚型中的LINE-1 ORF1p免疫反应性扩展了先前在不同癌症中表达LINE-1的研究。与MM相比,NMSCs中的LINE-1ORF1p过表达可以谨慎地视为NMSCs的肿瘤特异性抗原。与SCC病例相比,BCC病例的LINE-1组织化学评分(H评分)更高(p = 0.004)。在SCC样本中,较低的LINE-1 ORF1p表达水平与年龄小于平均年龄的年龄有关(p = 0.041)。同时,LINE-1 ORF1p表达与其他临床病理参数之间未发现显着相关性(所有p> 0.05)。根据我们的观察,各种皮肤肿瘤亚型中的LINE-1 ORF1p免疫反应性扩展了先前在不同癌症中表达LINE-1的研究。与MM相比,NMSCs中的LINE-1ORF1p过表达可以谨慎地视为NMSCs的肿瘤特异性抗原。与SCC病例相比,BCC病例的LINE-1组织化学评分(H评分)更高(p = 0.004)。在SCC样本中,较低的LINE-1 ORF1p表达水平与年龄小于平均年龄的年龄有关(p = 0.041)。同时,LINE-1 ORF1p表达与其他临床病理参数之间无显着相关性(所有p> 0.05)。根据我们的观察,各种皮肤肿瘤亚型中的LINE-1 ORF1p免疫反应性扩展了先前在不同癌症中LINE-1表达的研究。与MM相比,NMSCs中的LINE-1ORF1p过表达可以谨慎地视为NMSCs的肿瘤特异性抗原。LINE-1 ORF1p表达与其他临床病理参数之间无显着相关性(所有p> 0.05)。根据我们的观察,各种皮肤肿瘤亚型中的LINE-1 ORF1p免疫反应性扩展了先前在不同癌症中表达LINE-1的研究。与MM相比,NMSCs中的LINE-1ORF1p过表达可以谨慎地视为NMSCs的肿瘤特异性抗原。LINE-1 ORF1p表达与其他临床病理参数之间无显着相关性(所有p> 0.05)。根据我们的观察,各种皮肤肿瘤亚型中的LINE-1 ORF1p免疫反应性扩展了先前在不同癌症中表达LINE-1的研究。与MM相比,NMSCs中的LINE-1ORF1p过表达可以谨慎地视为NMSCs的肿瘤特异性抗原。
更新日期:2020-06-17
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