Harnessing IGF-1 and IL-2 as biomarkers for calcineurin activity to tailor optimal FK506 dosage in α-synucleinopathies.

Harnessing IGF-1 and IL-2 as biomarkers for calcineurin activity to tailor optimal FK506 dosage in α-synucleinopathies.
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DOI:
10.3389/fmolb.2023.1292555
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发表时间:
2023
影响因子:
5
通讯作者:
--
中科院分区:
生物学3区
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简介:钙(Ca 2+)的升高和高活性的Ca 2+依赖性磷酸酶钙调神经磷酸酶代表帕金森病(PD)和其他神经退行性疾病中涉及的α-突触核蛋白(α-syn)病理生物学的两个关键决定因素。钙调磷酸酶活性可以用FK 506抑制,FK 506是一种食品和药物管理局(FDA)批准的化合物。我们先前的工作证明了低剂量FK 506在各种a-syn相关病理生物学模型中对a-syn病理的保护作用。 方法:对照和a-syn表达小鼠(12-18月龄)注射溶剂或间隔4天单次给予两次FK 506。收集来自这些小鼠的大脑皮层和血清,并使用中型发现quickplex SQ 120测定细胞因子,并使用酶联免疫吸附测定法测定IGF-1。 结果如下:在这项研究中,我们提出的证据表明,降低钙调磷酸酶活性与FK 506在α-syn转基因小鼠增加胰岛素生长因子(IGF-1),同时降低IL-2水平在大脑皮层和血清。 讨论:已知高度保守的Ca 2 +/钙调神经磷酸酶信号通路在α-syn依赖性人类疾病中受到影响。FK 506是一种已经被批准用于其他用途的药物,具有高的脑转移率和经证实的安全性。IL-2和IGF-1在整个生命过程中产生,并且可以使用标准临床方法测量。我们的研究结果提供了两种潜在的生物标志物,可以指导FK 506在PD患者中的临床试验,而不会带来重大的后勤或监管挑战。
Introduction: Rise in Calcium (Ca2+) and hyperactive Ca2+-dependent phosphatase calcineurin represent two key determinants of a-synuclein (a-syn) pathobiology implicated in Parkinson’s Disease (PD) and other neurodegenerative diseases. Calcineurin activity can be inhibited with FK506, a Food and Drug Administration (FDA)-approved compound. Our previous work demonstrated a protective effect of low doses of FK506 against a-syn pathology in various models of a-syn related pathobiology. Methods: Control and a-syn-expressing mice (12-18 months old) were injected with vehicle or two single doses of FK506 administered 4 days apart. Cerebral cortex and serum from these mice were collected and assayed using a meso scale discovery quickplex SQ 120 for cytokines and Enzyme-linked immunosorbent assay for IGF-1. Results: In this study we present evidence that reducing calcineurin activity with FK506 in a-syn transgenic mice increased insulin growth factor (IGF-1), while simultaneously decreasing IL-2 levels in both cerebral cortex and serum. Discussion: The highly conserved Ca2+/calcineurin signaling pathway is known to be affected in a-syn-dependent human disease. FK506, an already approved drug for other uses, exhibits high brain penetrance and a proven safety profile. IL-2 and IGF-1 are produced throughout life and can be measured using standard clinical methods. Our findings provide two potential biomarkers that could guide a clinical trial of FK506 in PD patients, without posing significant logistical or regulatory challenges.
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发表时间: 2016-05-01
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DOI: 10.1371/journal.pone.0150552
发表时间: 2016
期刊: PloS one
影响因子: 3.7
作者:
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DOI: 10.1126/science.aam9080
发表时间: 2017-09-22
期刊: Science (New York, N.Y.)
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