Mast cell inhibition as a therapeutic approach in fibrodysplasia ossificans progressiva (FOP).

Mast cell inhibition as a therapeutic approach in fibrodysplasia ossificans progressiva (FOP).
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DOI:
10.1016/j.bone.2017.08.023
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发表时间:
2018-04
期刊:
影响因子:
4.1
通讯作者:
Pignolo RJ
Pignolo RJ
中科院分区:
医学2区
文献类型:
--
作者:
Brennan TA;Lindborg CM;Bergbauer CR;Wang H;Kaplan FS;Pignolo RJ

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进行性骨化性纤维发育不良(FOP)的发作在临床上以严重(通常为创伤后)结缔组织肿胀和肌内水肿为特征,随后在组织学上出现强烈和高度血管生成性纤维增生反应。这种早期炎症和血管生成性纤维增生反应伴随着大量肥大细胞的存在,远远超过其他报道的肌病。使用损伤诱导的,组成性活跃的FOP转基因小鼠模型,我们表明,肥大细胞抑制crologyn,而不是阿瑞匹坦,导致异位骨化显着减少。Cron,而不是阿瑞匹坦,显著减少FOP病变中肥大细胞的总数。此外,crologyn具体减少脱颗粒和休息脱颗粒肥大细胞在骨前病变的数量。这项工作表明,考虑FOP作为一种类型的局部肥大细胞增多症可能提供新的治疗干预治疗这种破坏性的条件。
Episodic flare-ups of fibrodysplasia ossificans progressiva (FOP) are characterized clinically by severe, often posttraumatic, connective tissue swelling and intramuscular edema, followed histologically by an intense and highly angiogenic fibroproliferative reaction. This early inflammatory and angiogenic fibroproliferative response is accompanied by the presence of abundant mast cells far in excess of other reported myopathies. Using an injury-induced, constitutively-active transgenic mouse model of FOP we show that mast cell inhibition by cromolyn, but not aprepitant, results in a dramatic reduction of heterotopic ossification. Cromolyn, but not aprepitant, significantly decreases the total number of mast cells in FOP lesions. Furthermore, cromolyn specifically diminishes the number of degranulating and resting degranulated mast cells in pre-osseous lesions. This work demonstrates that consideration of FOP as a type of localized mastocytosis may offer new therapeutic interventions for treatment of this devastating condition.
伊马替尼在严重难治性哮喘患者中抑制试剂盒。
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