Enhancement of ciliary beat amplitude by carbocisteine in ciliated human nasal epithelial cells

Enhancement of ciliary beat amplitude by carbocisteine in ciliated human nasal epithelial cells
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羧甲司坦增强人鼻纤毛上皮细胞纤毛搏动幅度

DOI:
10.1002/lary.28185
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发表时间:
2019
期刊:
The Laryngoscope
影响因子:
--
通讯作者:
Nakahari Takashi
Nakahari Takashi
中科院分区:
--
文献类型:
--
作者:
Inui Taka‐aki;Yasuda Makoto;Hirano Shigeru;Ikeuchi Yukiko;Kogiso Haruka;Inui Toshio;Marunaka Yoshinori;Nakahari Takashi

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羧甲司坦(CCis)是一种粘膜活性剂,用于改善鼻窦疾病的症状。然而,CCis对鼻纤毛搏动的影响仍然不确定。我们研究了CCIS对纤毛搏动距离(CBD,振幅指数)和纤毛搏动频率(CBF)在纤毛人鼻上皮细胞(cHNECs)在原代culture.MethodsThe cHNECs的影响,从鼻组织切除的患者需要手术慢性鼻窦炎(CS)或过敏性鼻炎(AR)。CBD和CBF测量使用配备了高速camera.ResultsCCis增加CBD的30%,但不是CBF,并降低细胞内Cl−浓度([Cl−]i)在cHNECs。CCis的作用被无Cl−的NO3−溶液模拟。相比之下,NPPB(20 μM)或CFTR(inh)-172(1 μM)的预先处理使[Cl−] i增加20%,CBF减少10%,CBD减少25%,并抑制CCi的作用。然而,T16 Ainh-A01(10 μM)的预先处理并没有抑制CCi的作用,尽管它使[Cl-] i降低了10%,CBD降低了15%。因此,CCis刺激Cl-通道,包括囊性纤维化跨膜传导调节因子(CFTR)。此外,CCis增强了cHNECs中纤毛跳动驱动的微珠的转运。CCis的行动是相似的cHNECs从两种类型的pateints.ConclusionCCis增加CBD在cHNECs通过[Cl-]减少刺激的Cl-通道,包括CFTR的激活。CCis可能通过增加CS或AR患者的CBD来刺激鼻粘膜纤毛清除。证据等级NA。喉镜,130:E289-E297,2020
ObjectiveCarbocisteine (CCis), a mucoactive agent, is used to improve the symptoms of sinonasal diseases. However, the effect of CCis on nasal ciliary beating remains uncertain. We examined the effects of CCis on ciliary beat distance (CBD, an index of amplitude), and ciliary beat frequency (CBF) in ciliated human nasal epithelial cells (cHNECs) in primary culture.MethodsThe cHNECs were prepared from the nasal tissue resected from patients required surgery for chronic sinusitis (CS) or allergic rhinitis (AR). CBD and CBF were measured using videomicroscopy equipped with a high‐speed camera.ResultsCCis increased CBD by 30%, but not CBF, and decreased intracellular Cl−concentration ([Cl−]i) in cHNECs. The CCis’ actions were mimicked by the Cl−‐free NO3−solution. In contrast, prior treatment of NPPB (20 μM) or CFTR(inh)‐172 (1 μM), which increased [Cl−]iby 20%, decreased CBF by 10% and CBD by 25% and inhibited the CCis’ actions. However, prior treatment of T16Ainh‐A01 (10 μM) did not inhibit the CCis’ actions, although it decreased [Cl‐]iby 10% and CBD by 15%. Thus, CCis stimulates Cl‐channels including cystic fibrosis transmembrane conductance regulator (CFTR). Moreover, CCis enhanced the transport of microbeads driven by the beating cilia in cHNECs. The CCis actions were similar in cHNECs from both types of pateints.ConclusionCCis increased CBD by 30% in cHNECs via an [Cl−]idecrease stimulated by activation of Cl−channels, including CFTR. CCis may stimulate nasal mucociliary clearance by increasing CBD in patients contracting CS or AR.Level of EvidenceNA.Laryngoscope, 130:E289–E297, 2020
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