Identification of the protective mechanisms of Lactoferrin in the irradiated salivary gland.

Identification of the protective mechanisms of Lactoferrin in the irradiated salivary gland.
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鉴定辐照唾液腺中乳铁蛋白的保护机制。

DOI:
10.1038/s41598-017-10351-9
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发表时间:
2017-08-29
期刊:
影响因子:
4.6
通讯作者:
Sakai T
Sakai T
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Sakai M;Matsushita T;Hoshino R;Ono H;Ikai K;Sakai T

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放射治疗是头颈部恶性肿瘤的常用治疗手段,但放射治疗往往会导致不可逆的涎腺损伤和功能减退。因此,重要的是要管理这样的照射,以防止损伤唾液腺。以前的研究表明,乳铁蛋白(LF)具有辐射防护作用,但其机制尚未确定在唾液腺。在本研究中,我们采用离体颌下腺器官培养和ICR雄性小鼠体内研究了LF的详细辐射防护作用。我们发现LF对细胞增殖和CyclinD 1介导的细胞周期进程都有影响,这是通过ERK 1/2和AKT信号转导途径调节的。此外,LF影响照射后腺泡细胞的结构和功能。这些结果表明,LF可能是一个有用的代理,以防止辐射效应在唾液腺。
Radiotherapy is commonly used in patients with head and neck cancer, and usually results in irreversible salivary glands damage and hypofunction. It is therefore important to manage such irradiation to prevent damage to the salivary glands. A previous study showed that Lactoferrin (LF) has a radioprotective effect, but the mechanism was not determined in salivary glands. In the present study, we investigated the detailed radioprotective effect of LF using both ex vivo submandibular salivary gland organ culture and ICR male mice in vivo. We found that LF had effects on both cell proliferation and CyclinD1-mediated cell-cycle progression which were regulated via the ERK1/2 and AKT signal transduction pathways. In addition, LF affected acinar cell structure and function after irradiation. These findings suggest that LF may be a useful agent to prevent irradiation effects in salivary glands.
DOI: 10.1038/srep16017
发表时间: 2015-11-03
期刊: Scientific reports
影响因子: 4.6
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