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HPPH

CAS No.: 149402-51-7

HPPH (Photochlor) (Photochlor) is a second-generation photosensitizer. It is used as photodynamic therapy (PDT) agent.
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Description HPPH (Photochlor) (Photochlor) is a second-generation photosensitizer. It is used as photodynamic therapy (PDT) agent.
In vitro 使用GO-PEG-HHPH处理的细胞比使用自由HPPH处理的细胞展示了更强的荧光信号。实际上,HPPH的荧光相对较弱。经过24小时,以0.49 μg/mL GO-PEG、1 μM HPPH(自由状态下的HPPH)或等量GO-PEG-HHPH(1 μM HPPH和0.49 μg/mL GO-PEG)孵育的4T1细胞的荧光图像显示。通过与4T1小鼠乳腺癌细胞的研究,探讨了GO-PEG-HHPH与HPPH的细胞摄取情况。细胞在等效的HPPH浓度(1 μM)下与GO-PEG-HHPH和自由HPPH孵育24小时后,使用共聚焦显微镜进行观察[1]。
In vivo 在一项治疗方案中,采用HPPH-PDT治疗方案对携带Colo26-HA肿瘤的BALB/c小鼠进行治疗,该方案已被证明能够增强抗肿瘤免疫(先给予0.4 μmoles/kg HPPH,18小时后用665 nm光照射,总剂量为48 J/cm^2)。随后,肿瘤接受增强免疫的PDT治疗方案,然后是控制肿瘤的PDT治疗方案,这可以在有效控制原发性肿瘤生长的同时增强抗肿瘤免疫。照光后,小鼠休息9天;第九天,给小鼠注射HPPH。在首次治疗后的第10天,用控制肿瘤的治疗方案(用665 nm光照射,总剂量为132 J/cm^2)治疗肿瘤[2]。
Synonyms 光克洛, Photochlor
molecular weight 636.82
Molecular formula C39H48N4O4
CAS 149402-51-7
Storage Powder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice.
Solubility DMSO: 50 mg/mL (78.52 mM), Sonication is recommended. H2O: < 0.1 mg/mL (insoluble)
References 1. Rong P, et al. Photosensitizer loaded nano-graphene for multimodality imaging guided tumor photodynamic therapy. Theranostics. 2014 Jan 15;4(3):229-39. 2. Shams M, et al. Development of photodynamic therapy regimens that control primary tumor growth and inhibit secondary disease. Cancer Immunol Immunother. 2015 Mar;64(3):287-97.