Neurturin Gene Therapy Protects Parasympathetic Function to Prevent Irradiation-Induced Murine Salivary Gland Hypofunction

被引：29

作者：

Ferreira, Joao N. A. ^{[1
,3
]}

Zheng, Changyu ^{[2
]}

Lombaert, Isabelle M. A. ^{[1
,4
]}

Goldsmith, Corinne M. ^{[2
]}

Cotrim, Ana P. ^{[2
,5
]}

Symonds, Jennifer M. ^{[1
]}

Patel, Vaishali N. ^{[1
]}

Hoffman, Matthew P. ^{[1
]}

机构：

[1] Natl Inst Dent & Craniofacial Res, Matrix & Morphogenesis Sect, NIH, DHHS, 30 Convent Dr,Bldg 30-5A509, Bethesda, MD 20892 USA

[2] Natl Inst Dent & Craniofacial Res, Translat Res Core, NIH, DHHS, Bethesda, MD 20892 USA

[3] Chulalongkorn Univ, Fac Dent, Bangkok 10330, Thailand

[4] Univ Michigan, Biointerfaces Inst, Sch Dent, 2800 Plymouth Rd, Ann Arbor, MI 48109 USA

[5] NHGRI, Inflammatory Dis Sect, NIH, DHHS, Bethesda, MD 20892 USA

来源：

MOLECULAR THERAPY-METHODS & CLINICAL DEVELOPMENT | 2018年 / 9卷

关键词：

ADENOVIRAL-MEDIATED TRANSFER; VESICULAR ACETYLCHOLINE TRANSPORTER; NECK-CANCER; SUBMANDIBULAR-GLAND; BRANCHING MORPHOGENESIS; RADIATION-DAMAGE; AQUAPORIN-1; CDNA; PAROTID-GLAND; DOUBLE-BLIND; HEAD;

D O I：

10.1016/j.omtm.2018.02.008

中图分类号：

R-3 [医学研究方法]; R3 [基础医学];

学科分类号：

100103 [病原生物学]; 100218 [急诊医学];

摘要：

Head and neck cancer patients treated with irradiation often present irreversible salivary gland hypofunction for which no conventional treatment exists. We recently showed that recombinant neurturin, a neurotrophic factor, improves epithelial regeneration of mouse salivary glands in ex vivo culture after irradiation by reducing apoptosis of parasympathetic neurons. Parasympathetic innervation is essential to maintain progenitor cells during gland development and for regeneration of adult glands. Here, we investigated whether a neurturin-expressing adenovirus could be used for gene therapy in vivo to protect parasympathetic neurons and prevent gland hypofunction after irradiation. First, ex vivo fetal salivary gland culture was used to compare the neurturin adenovirus with recombinant neurturin, showing they both improve growth after irradiation by reducing neuronal apoptosis and increasing innervation. Then, the neurturin adenovirus was delivered to mouse salivary glands in vivo, 24 hr before irradiation, and compared with a control adenovirus. The control-treated glands have similar to 50% reduction in salivary flow 60 days postirradiation, whereas neurturin-treated glands have similar flow to nonirradiated glands. Further, markers of parasympathetic function, including vesicular acetylcholine transporter, decreased with irradiation, but not with neurturin treatment. Our findings suggest that in vivo neurturin gene therapy prior to irradiation protects parasympathetic function and prevents irradiation-induced hypofunction.

引用

页码：172 / 180

页数：9

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