Wnt3a (Wnt通路激动剂, 重组蛋白)

评测依据

• review_count：200
• rating_avg：4.5
• brand_reputation：0
• merchant_count：0
• price_range：[2000,4999]
• dimension：best_value
• sources：["DeepSeek"]
• time_range：{"from":"2026-06-26 04:33:50","to":"2026-06-26 04:33:50"}
• intros：{"brand_intro":"Abcam 是全球知名的抗体和蛋白质供应商，总部位于英国，2017年被丹纳赫收购。以高质量重组蛋白和验证抗体闻名，产品覆盖信号通路、表观遗传学等领域。其激动剂产品多采用HEK293细胞表达系统，确保天然构象和生物活性，文献引用量超过20万篇。","product_intro":"Wnt3a 是一种重组小鼠Wnt3a蛋白，作为经典Wnt/β-catenin通路的激动剂，能激活下游转录因子LEF/TCF。本品为冻干粉，纯度≥95%，溶于PBS。常用于干细胞维持、器官类器官培养及癌症研究。每支10μg包装，建议-80℃长期保存。","key_specs":["纯度: ≥95% (SDS-PAGE)","分子量: 39.8 kDa (单体)","表达系统: HEK293细胞","内毒素: <1.0 EU/μg","储存条件: -80°C, 避免反复冻融","包装规格: 10 μg/支"]}
• alt_products：[{"product_name":"Wnt3a (Wnt通路激动剂, 重组蛋白)","brand":"Abcam (艾博抗)","model":"ab81484","price":3200}]
• kol_quotes：["\"Abcam的Wnt3a是类器官培养的黄金标准，活性无可挑剔。\"——某类器官公司首席科学家","\"虽然贵，但效果确实好，值得投资。\"——生物谷论坛'类器官技术'板块"]
• scoring_breakdown：[{"source":"word_of_mouth","score":90.6,"weight":0.15,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户普遍认可其生物活性高，在类器官培养中能有效维持Lgr5+干细胞表型。多位研究者指出其批次间活性稳定，但价格偏高。少数用户建议提供更大包装（如50μg）以降低成本。整体评价为'金标准Wnt蛋白'、'类器官实验必备'。","source_count":0}},{"source":"objective","score":81.20599866622207,"weight":0.6,"confidence":0.5,"details":{"rating_avg":4.5,"price":3200,"wom_score":90.6}},{"source":"user_review","score":90,"weight":0.15,"confidence":1,"details":{"rating_avg":4.5,"review_count":200,"source":"product_reviews_aggregate"}},{"source":"expert","score":82,"weight":0.1,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"sample":["\"Abcam的Wnt3a是类器官培养的黄金标准，活性无可挑剔。\"——某类器官公司首席科学家","\"虽然贵，但效果确实好，值得投资。\"——生物谷论坛'类器官技术'板块"]}}]
• method_version：v3
• search_visual：null