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1.
目的:评价EB病毒(EBV)抗衣壳抗原VCA-IgA抗体、抗早期抗原EA-IgA抗体、抗立即早期抗原Rta-IgG抗体和EBV-DNA检测在鼻咽癌诊断中的价值。方法:收集160例初治鼻咽癌,133例症状相似的非鼻咽癌患者和163名健康体检者的血清和血浆。采用酶联免疫法检测血清VCA-IgA、EA-IgA和Rta-IgG抗体的水平,用实时荧光定量PCR检测血浆EBV-DNA的相对含量。按鼻咽癌2008临床TNM分期法进行分期,计算不同分组、各临床分期以及鼻咽癌治疗前后的各抗体阳性率、抗体水平以及EB-DNA的检测结果并进行数据分析。结果:鼻咽癌组VCA-IgA、EA-IgA、Rta-IgG和EBV-DNA阳性率均高于鼻咽相关疾病组及健康对照组(均P<0.05)。血清VCA-IgA和EA-IgA结果相对A值(即rA或S/CO值)在Ⅰ、Ⅱ期低于Ⅲ、Ⅳ期,差异有统计学意义(P<0.05),但阳性率在各期间比较差异无统计学意义(P>0.05);Ⅰ、Ⅱ期患者Rta-IgG的rA值和阳性率明显低于Ⅲ、Ⅳ期患者(P<0.05);血浆中EBV-DNA阳性率及EBV-DNA中位数水平随着临床分期的升高而增高,Ⅰ、Ⅱ期与Ⅲ、Ⅳ期比较差异有统计学意义(P<0.05)。治疗有效(CR+ PR)患者的EBV-DNA含量明显低于治疗前水平(P<0.05)。结论:VCA-IgA、EA-IgA、Rta-IgG、EBV-DNA检测有助于鼻咽癌的辅助诊断、临床分期预测及疗效评估。  相似文献   

2.
Cyclin D1及PCNA与鼻咽癌放射敏感性相关性研究   总被引:4,自引:0,他引:4  
张娜  李光 《中国肿瘤》2003,12(12):740-742
[目的]探讨鼻咽癌的细胞周期素(cyclin)D1和增殖细胞核抗原(PCNA)表达与放射敏感性的关系。[方法]65例初治行放疗的鼻咽癌患者,免疫组化测定治疗前活检标本的cyclinD1和PC鄄NA表达,并与放射敏感性(放疗后的近期疗效)进行单因素和多因素的分析研究。[结果]cyclinD1阳性表达率为60%,PCNA表达率为52.3%。放射敏感者(CR)40例(61.5%),放射低敏者(PR和MR)25例(38.5%)。cyclinD1阳性表达和PCNA高表达的CR率分别为74.4%和82.4%,明显高于阴性表达及低表达者(CR率分别为42.3%和38.7%)(P<0.01)。各期中cyclinD1阳性与阴性表达及PCNA高与低表达者疗效为CR的差异有显著性(P<0.01)。Logistic多因素回归分析显示明显影响放疗效果的因素依次为:PCNA,临床分期,原发肿瘤大小,病人年龄和性别。[结论]cyclinD1阳性表达及PCNA高表达的鼻咽癌放射敏感性高,在作为预测放疗敏感性的指标上,PCNA可能较cyclinD1更有意义,为个体化的治疗方案增添了重要参考价值的生物学指标。  相似文献   

3.
目的探讨CHOP方案治疗鼻咽癌的近期疗效和毒副反应。方法共治疗鼻咽癌患者85例,采用CHOP方案者为治疗组共49例,其中初治40例,放疗后复发转移9例。采用PF(DDP+5Fu)方案者为对照组共36例,其中初治32例,放疗后复发转移4例。结果治疗组49例中CR12例,PR26例,NC11例,CR率为24.5%,CR加PR共38例,有效率为77.6%;对照组36例中CR4例,PR24例,NC7例,PD1例,CR加PR共28例,CR率为11.1%,有效率为77.8%。CHOP方案与PF方案近期疗效无显著性差异(P>0.05),治疗组毒副反应轻于对照组,特别是胃肠道反应恶心、呕吐。结论CHOP方案为鼻咽癌有效低毒化疗方案。  相似文献   

4.
  目的  探讨分化型甲状腺癌是否为女性激素依赖性肿瘤,分析ER、PR的表达与分化型甲状腺癌患者的肿瘤大小、组织学类型、有否淋巴结转移、性别、年龄等的关系。  方法  应用免疫组织化学方法(SP法)检测分析正常甲状腺、甲状腺良性肿瘤和分化型甲状腺癌组织中ER、PR的表达。  结果  分化型甲状腺癌中ER和PR阳性表达分别为19.3%(10/52)和30.8%(16/52),其表达比正常甲状腺与良性肿瘤组织多,有显著性差异(P < 0.01)。分化型甲状腺癌的肿瘤直径>1 cm的ER、PR阳性率明显高于≤1 cm的病例,有显著性差异(P < 0.01)。而ER和PR的表达与患者的性别、年龄、组织类型和淋巴结转移无关。  结论  分化型甲状腺癌组织中ER和PR的表达较正常甲状腺、甲状腺良性肿瘤组织高,有显著差异性(P < 0.01),且肿瘤直径>1 cm者的ER和PR表达高于肿瘤直径≤1 cm者,揭示分化型甲状腺癌可能是雌激素和孕激素依赖性肿瘤。   相似文献   

5.
李平  郑坚  郭良君  庄承海 《癌症》1999,18(3):303-306
目的:对比观察口服大剂量醛氢叶酸,5-FU,DDP(PFL)与PF方案联合治疗晚期及复发转移的鼻咽癌的疗效。方法 1996~1998年间,100例局部晚期及复发转移的鼻咽癌,非随机分为CF组(PFL方案)51例,对照组(PF方案)49例。晚期初治采用放化疗综合治疗(C+R)复发转移采用单纯化疗(C)。结果 CF组初治28例,其CR率,有效率分别为64.2%,85.7%,中位生存期21月(4-33月  相似文献   

6.
目的: 探讨联合检测p53自身抗体与EB病毒VCA-IgA在鼻咽癌患者中的诊断意义。方法:采用酶联免疫吸附实验(ELISA)检测242例鼻咽癌患者和218 例正常对照者血清中p53自身抗体和EB病毒壳抗体(VCA-IgA)的表达水平。结果:血清p53自身抗体的水平在鼻咽癌患者组明显高于正常对照组,差异有统计学意义(P<0.01)。p53自身抗体和VCA-IgA对鼻咽癌的诊断敏感度分别为40.1% (95%CI:33.9%~46.6%) 和47.5%(95%CI:41.1%~54.0%);特异度分别为95.0%(95%CI:90.9%~97.3%)和95.4% (95%CI: 91.5%~97.7%),两者联合检测的敏感度和特异度分别为69.4%(95%CI:63.1%~75.0%)和90.8%(95%CI:86.0%~94.2%)。p53自身抗体、VCA-IgA和两者联合检测在早期鼻咽癌患者中的阳性表达均明显高于正常对照组(P均<0.01)。p53自身抗体的阳性表达率与鼻咽癌患者的性别、年龄、T分期、N分期和总TNM分期之间均无明显相关性(P>0.05)。结论:血清p53自身抗体作为一种潜在的诊断标志物,与VCA-IgA联合检测可能有助于筛查和诊断鼻咽癌。  相似文献   

7.
With gene engineering EB virus membrane antigen as the diagnostic antigen, indirect immunofluorescence (IF) assay was used to detect IgA antibody against EB virus membrane antigen (MA-IgA) in sera from 202 nasopharyngeal carcinoma (NPC) patients and 315 controls (normal and patients with other tumors). MA-IgA antibody was positive in 96.8% of the pretreatment NPC patients with a GMT of 1:36.3. MA-IgA detection by this method was more sensitive than EA-IgA detection by IE. In contrast, patients with tumors other than NPC were negative for MA-IgA antibody. 9.1% of VCA-IgA positive persons were MA-IgA positive with a GMT of less than 1:5. No MA-IgA positive was found in VCA-IgA negatives. The results indicated that this method was relatively specific. In the treatment group, the positive rate and GMT of MA-IgA antibody declined with increase in survival time and the decline was faster than VCA-IgA. When recurrence or distant metastasis developed, similar to VCA-IgA and EA-IgA antibodies, the positive rate and GMT of MA-IgA antibody increased to its pretreatment level. Therefore, MA-IgA detection might be valuable in the early diagnosis and monitor of NPC.  相似文献   

8.
目的:探讨鼻咽癌患者血清EB病毒壳抗原免疫球蛋白A(VCA-IgA)、EB病毒早期抗原-D-IgA抗体(EA-D-IgA)、EA-D-IgG联合检测对于鼻咽癌患者诊断的价值。方法选取60例经病理学确诊的鼻咽癌患者(鼻咽癌组)及60例良性鼻咽疾病患者(良性组),采用酶联免疫吸附法(ELISA)检测血清VCA-IgA、EA-D-IgA、EA-D-IgG,对比两组患者的检出阳性率,并计算相关诊断学效能指标。结果鼻咽癌组血清VCA-IgA、EA-D-IgA、EA-D-IgG抗体阳性率分别为81.67%、50.00%、83.33%,均显著高于良性组的10.00%、5.00%、3.33%,差异均具有统计学意义(P﹤0.01);血清VCA-IgA鉴别诊断鼻咽癌的灵敏度为81.67%,特异度为86.67%;EA-D-IgA鉴别诊断鼻咽癌的灵敏度为48.33%,特异度为91.67%;EA-D-IgG鉴别诊断鼻咽癌的灵敏度为83.33%,特异度为88.33%;血清VCA-IgA+EA-D-IgA+EA-D-IgG鉴别诊断鼻咽癌的灵敏度为95.00%,特异度为96.67%。结论鼻咽癌患者血清VCA-IgA+EA-D-IgA+EA-D-IgG联合检测对于提高鼻咽癌诊断具有更高的临床价值。  相似文献   

9.
Palliation is the primary goal in metastatic breast cancer (MBC), and safe, efficacious, new single-agent options are needed. Pemetrexed, an antifolate, inhibits several folate-dependent enzymes involved in purine biosynthesis. The primary goal of this study was to determine the objective response rate in patients with advanced or MBC given pemetrexed as a first-line, dose-dense, every 2-week chemotherapy. Women with HER2-negative advanced or MBC, without prior cytotoxic treatment for this stage of disease, were treated with intravenous pemetrexed 600 mg/m2 on Day 1 of each 14-day cycle. Standard dexamethasone, folic acid, and vitamin B12 premedications were given. 37 patients enrolled; 36 received ≥1 dose of pemetrexed and 35 were evaluable for response. Median age of patients was 61.4 years, 76% were hormone receptor positive (ER+ and/or PR+). Prior treatment included adjuvant chemotherapy (57%) and/or endocrine (65%). Patients received a median of 6 cycles of pemetrexed (range, 1–21). Based on 35 evaluable patients, the overall response rate (ORR) was 26% (1 CR and 8 PR), and the clinical benefit rate (CR+ PR+ stable disease [SD] ≥6 months) was 40%. Median progression-free survival (PFS) was 4.1 months (range, <1–22.4). Median overall survival (OS) was 18.9 months (range, <1–27.7). Grades 3–4 treatment-related toxicities included: neutropenia (36%), leukopenia (17%), fatigue (14%), and anemia (14%). Grade 1/2 alopecia was seen in 8% of patients. This phase II study of dose-dense, single-agent pemetrexed showed moderate activity in the first-line setting with acceptable toxicity and no significant alopecia.  相似文献   

10.
With gene engineering EB virus membrane antigen as the diagnostic antigen, indirect immunofluorescence (IF) assay was used to detect IgA antibody against EB virus membrane antigen (MA-IgA) in sera from 202 nasopharyngeal carcinoma (NPC) patients and 315 controls (normal and patients with other tumors). MA-IgA antibody was positive in 96.8% of the pre-treatment NPC patients with a GMT of 1:36.3. MA-IgA detection by this method was more sensitive than EA-IgA detection by IE. In contrast, patients with tumors other than NPC were negative for MA-IgA antibody. 9.1% of VCA-IgA positive persons were MA-IgA positive with a GMT of less than 1:5. No MA-IgA positive was found in VCA-IgA negatives. The results indicated that this method was relatively specific. In the treatment group, the positive rate and GMT of MA-IgA antibody declined with increase in survival time and the decline was faster than VCA-IgA. When recurrence or distant metastasis developed, similar to VCA-IgA and EA-IgA antibodies, the positive rate and GMT of MA-IgA antibody increased to its pretreatment level. Therefore, MA-IgA detection might be valuable in the early diagnosis and monitor of NPC.  相似文献   

11.
闫宇  周灿 《现代肿瘤医学》2019,(8):1344-1351
目的:探讨中美两国女性乳腺癌临床病理特征及治疗策略的差异。方法:对比分析1999年至2008年间中国乳腺癌临床流行病学、多中心研究的研究数据与美国监测、流行病学和最终结果数据库(Surveillance,Epidemiology,and End Results,SEER)1988年至2008年间的女性乳腺癌临床病理特征。结果:总共662 902例患者中,白种人557 162例,占84.0%,黑种人57 890例,占8.7%,黄种人47 850例,占7.2%,亚裔35 318例,占5.3%,华裔8 321例,占1.3%,中国人4 211例,占0.6%。与美国女性相比,中国女性Ⅰ+Ⅱ期乳腺癌比率低(73.9% vs 86.1%),诊断年龄<40岁者比率高(18.7% vs 5.6%),雌激素受体(ER)阳性率低(57.4% vs 78.1%),孕激素受体(PR)阳性率低(58.2% vs 66.7%),手术方式中全乳腺切除术比率高(88.8% vs 33.2%),象限切除术比率低(6.6% vs 62.0%),术后放疗比率低(25.9% vs 42.4%),均具有显著差异(P<0.000 1)。相对于美籍白人及黑人女性,美籍华裔Ⅰ+Ⅱ期乳腺癌比率高(88.7% vs 86.8% vs 78.3%),诊断年龄<40岁者比率高(9.4% vs 5.0% vs 9.1%),手术方式中全乳腺切除术比率高(37.2% vs 32.9% vs.32.8%),术后放疗比率高(43.4% vs 42.8% vs 38.1%),均具有显著差异(P<0.000 1)。但是ER阳性率、PR阳性率和象限切除率高于美籍黑人,而低于美籍白人,分别如下:ER阳性率(77.4% vs 79.7% vs 63.0%)、PR阳性率高(67.4% vs 68.1% vs 52.0%)、象限切除术比率(59.3% vs 62.6% vs 58.2%),均具有显著差异(P<0.000 1)。亚组分析发现,不同种族间、亚裔及国人间、非华亚裔、华裔及国人间Ⅰ+Ⅱ期、诊断年龄<40岁、雌孕激素受体阳性比率、手术方式及放疗比率差异显著(P<0.000 1)。结论:中国女性呈现出“2高4低”趋势,即诊断年龄<40岁者高,乳腺全切术率高,Ⅰ期和Ⅱ期乳腺癌比率低,雌激素受体(ER)阳性率低,孕激素受体(PR)阳性率低,象限切除术比率低。临床病理特征间差异可能与种族、环境因素及遗传因素相关。局部治疗方面有待于进一步加强。  相似文献   

12.
目的 观察甲酰四氢叶酸钙(CF)联合5-氟尿嘧啶(5-Fu)治疗晚期乳腺癌的疗效和安全性.方法 选择既往经过蒽环类、紫杉类等药物治疗无效的晚期乳腺癌31例,中位年龄48.0岁(27~66岁).采用CF联合5-Fu化疗方案治疗.CF[150 mg/(m2·d)]+ 5-Fu[600 mg/(m2·d)],连用5天,每天静脉滴注不少于12h,每4周为一周期.观察有效率及不良反应.结果 完全缓解2例(6.5%),部分缓解7例(22.6%),病情稳定6例(19.4%),进展16例(51.6%).总有效率为29.0%,临床获益率为48.4%,其中激素受体阴性患者更能获益(P<0.05).中位有效期为2.3月(95%CI:1.1~4.1),中位生存期为9.5月(95%CI:4.7~14.8).15例(48.4%)生活质量改善,6例(19.4%)稳定,10例(32.3%)下降.不良反应主要是胃肠道反应(11例)、骨髓抑制(4例)和口腔炎(9例).结论 CF+ 5-Fu联合静脉滴注二线治疗晚期乳腺癌疗效确切,不良反应可控,患者易于耐受,可以作为复发转移的晚期难治性乳腺癌的解救治疗.  相似文献   

13.
目的:探讨ER、PR、P—gP在肺癌组织中的表达情况,以及ER、PR与P—gP之间的关系,为肺癌的优化化疗、预测预后提供有价值的指标。方法:应用S—P免疫组化法检测石蜡包埋的肺癌标本中ER、PR、P—gP的表达。结果:P—gP阳性表达率36.05%(31/86),ER、PR的阳性表达率分别为39.53%、41.86%,其中腺癌的表达明显高于其它组织类型。ER、PR的表达与肿瘤细胞分化水平呈正相关,而与患的性别、年龄、临床分期无关。31例P—gP阳性病例中,EP、PR阳性表达率为51.61%和64.52%,肺癌组织中P—gP与ER、PR的表达呈正相关。结论:P—gP与ER、PR之间可能存在某种相关性,提示肺癌的化疗若辅以性激素受体拮抗剂效果可能更好。  相似文献   

14.
目的:探讨戈舍瑞林联合三苯氧胺辅助内分泌治疗绝经前雌激素(ER)、孕激素(PR)双阳性及ER+/PR-两种复发转移乳腺癌的临床疗效,对比两种乳腺癌的治疗效果。方法:将104例绝经前、原癌基因(c-erbB-2)均为(+)、淋巴结1-3个阳性的复发转移乳腺癌患者分成两组,52例ER+/PR+,52例为ER+/PR-。两组患者均为手术后和辅助化疗后发现复发转移的乳腺癌接受戈舍瑞林3.6mg皮下注射,每28天1次,连续6个月以上;联合三苯氧胺口服,10mg/次,每日2次,连用6个月以上。结果:104例患者完全缓解(CR)3例,部分缓解(PR)31例,稳定(SD)31例,进展(PD)39例,总有效率(OR=CR+PR)为32.7%,临床获益率(CBR=CR+PR+SD≥6个月)62.5%;其中ER+、PR-组,CR 2例,PR 21例,SD 16例,PD 13例,OR为44.1%,CBR 74.9%;ER+、PR-组CR 1例,PR 10例,SD 15例,PD 26例,OR 21.1%,CBR 49.9%。结论:戈舍瑞林联合三苯氧胺辅助内分泌治疗绝经前ER阳性、淋巴结1-3阳性、复发转移性的乳腺癌患者临床疗效显著,而ER+/PR+组患者效果明显优于ER+、PR-组患者,临床治疗效果更佳。对于在辅助内分泌治疗期间发生PD,应立即中止辅助内分泌治疗,进行手术、解救化疗、放疗或分子靶向等治疗后再序贯内分泌治疗。  相似文献   

15.
 目的 研究DNA切除修复交叉互补基因1(ERCC1)在鼻咽癌中的表达,分析其与鼻咽癌同步放化疗疗效的关系。方法 对鼻咽部肿物活组织检查确诊为非分化型非角化性鼻咽癌患者,接受顺铂(DDP)单药同步放化疗,应用免疫组织化学法检测鼻咽部癌组织中ERCC1蛋白表达。患者同步放化疗结束后8周复查鼻咽部磁共振成像(MRI)以评价其近期治疗敏感性,完全缓解(CR)+部分缓解(PR)评价为治疗敏感组,稳定(SD)+进展(PD)评价为治疗不敏感组,以后每3个月复查1次鼻咽部MRI了解有无复发,随访观察3年疗效。分析ERCC1蛋白表达与同步放化疗近期治疗敏感性及远期生存率的关系。结果 全组76例患者均可评价近期治疗敏感性,72例可评价无疾病进展生存时间及总生存(OS)率。可评价近期治疗敏感性的76例患者中CR为56例(73.68 %),PR 11 例(14.47 %),SD 3 例(3.95 %),PD 6 例(7.89 %);有效率(RR)88.16 %(67/76),疾病控制率(DCR)92.1 %(70/76)。ERCC1阳性率42.1 %(32/76),其中治疗敏感组中阳性率37.3 %(24/67),不敏感组中阳性率 88.8 %(8 /9)。ERCC1阴性表达组中有效率(RR)97.7 %(43/44),DCR 97.7 %(43/44),ERCC1阳性表达组 RR 75 %(24/32),DCR 81.3 %(26/32)。ERCC1阴性组的治疗有效率显著高于ERCC1阳性组,其差异有统计学意义(χ2=7.119,P<0.05)。72例患者12个月无疾病进展率为91.7 %(66/72)。其中ERCC1阴性组95.5 %(39/41),ERCC1阳性组87.1 %(27/31),两组间无疾病进展率的差异无统计学意义(χ2=0.623,P=0.430)。31例ERCC1阳性患者的1、2、3年生存率分别为90.6 %(28/31)、77.4 %(27/31)、61.3 %(19/31)。41例ERCC1阴性患者的1、2、3年生存率分别为95.5 %(39/41)、90.2 %(37/41)、82.9 %(34/41)。两组间生存率的差异有统计学意义(χ2=4.192,P=0.041)。结论 鼻咽癌中ERCC1蛋白的表达与同步放化疗近期治疗敏感性呈负相关性,ERCC1的表达可能预测NPC同步放化疗近期治疗敏感性。鼻咽癌的ERCC1蛋白的表达与 OS 呈负相关性,其可能作为判断NPC预后的一项指标。  相似文献   

16.
1983年1月至1984年3月我科用PB方案(顺氯氨铂DDP,平阳霉素BLM)治疗中、晚期食管癌44例。本组有效10例,有效率为22.7%。其中显效3例(CR),有效7例(PR),无效34例(NR)。治疗后主观有效者26例,主观有效率为59.1%。41例鳞癌中,细胞分化程度为Ⅰ级者27例,其中有效8例(CR2例,PR6例)占29.6%。  相似文献   

17.
胃癌的雌孕激素受体状况与预后关系的临床探讨   总被引:4,自引:0,他引:4  
目的探讨胃癌的雌、孕激素受体状况与预后关系。方法对34例胃癌根治术后的标本以免疫组化(ABC法)作ER、PR测定,并作5a随访。结果ER、PR阳性率皆为41.2%(14/34)。高分化胃癌ER、PR阳性率(26.9%)明显低于分化差的胃癌组(87.5%)。随访5a,存活者中原来标记的ER、PR阳性率较低,仅为20%。结论胃癌根治术后除辅以化疗外,ER、PR阳性者加内分泌治疗可能会提高5a生存率。  相似文献   

18.
Objective: To study the relationship between the expression of PS2 protein and Estrogen (ER) and Progesterone Receptor (PR) status and their prognotic value in breast cancer. Methods: Using the immunohistochemical method, PS2 protein expressions were detected in 105 cases with breast cancer. Results: The positive rate of PS2 protein was 50.48% (53/105) in 105 cases. The positive rate of PS2 in the patients who survived five years or more was 56.96% (45/79), which was higher than that of those who lived less than five years (30.77%, 8/26). In the ER, PR (+) patients, the positive rate of PS2 was higher (76.74%, 33/34), than that of those with ER, PR (−) (22.5%, 9/40). Conclusions: Our results suggest that the expression of PS2 protein was positively correlated with the 5-year-survival and that of ER and PR in breast cancer. It is considered that PS2 may be as a prognostic predictor, and detection of PS2 protein expression was useful for a guiding treatment of breast cancer.  相似文献   

19.
ASTUDYOFTHETNMSTAGINGSYSTEMFORNASOPHARYNGEALCARCINOMA(NPC)LiChangqing;李长青LiaoLingxia;廖玲霞(HubeiCancerHospital,Wuhan,430070)Abs...  相似文献   

20.
目的探讨骨肉瘤组织中雌激素受体(ER)、孕激素受体(PR)的表达及其与临床特征的关系。方法应用免疫组化改良SP方法对65例骨肉瘤蜡块组织进行了ER、PR检测。结合临床特点进行统计学分析。所有病人术前均未接受内分泌治疗。结果骨肉瘤中ER表达的阳性率为40%(26/65),PR表达的阳性率为323%(21/65);临床无转移,存活时间长之骨肉瘤中ER、PR表达的阳性率高于临床有转移、存活时间短者,差异有显著性意义(P<005);不同性别、年龄、发病部位的骨肉瘤中ER、PR表达的阳性率无显著性差异(P>005)。结论骨肉瘤中存在ER、PR,ER、PR的检测可提示为骨肉瘤生物学行为,对病人预后的评估及探讨骨肉瘤内分泌治疗提供重要的理论依据。  相似文献   

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