Genome organizer SATB1 function in salivary gland and development and growth

基因组组织者 SATB1 在唾液腺及其发育和生长中的功能

基本信息

项目摘要

Project Summary/Abstract Salivary glands produce saliva, which facilitates digestion, acts as a lubricant to swallow foods, and prevents infections in oral cavity and tooth decay. Therefore, salivary gland function is important for oral health. Currently, there is no effective treatment for impaired salivary glands, which can be caused by therapeutic irradiation for the head and neck cancer or autoimmune diseases. To develop therapeutic strategies in the future, it is essential to understand the regulatory mechanisms underling development of salivary glands and their regeneration. Little is known about the regulators of gene expression, epigenetics and chromatin organization for salivary glands. Here, we will test a hypothesis that the genome organizer SATB1 is a critical regulator in salivary gland embryonic development, early postnatal growth and development, and function. This hypothesis is supported by SATB1 protein being expressed in both acinar and ductal cells at postnatal day 12 (P12) of wild-type mice and by detection of much smaller salivary glands in Satb1-/- mice compared to wild-type mice. We will identify SATB1 protein-expressing cells in SGs during embryonic and postnatal development. By genetic lineage tracing, we will study the role of SATB1 in acinar cell development and function. We will delete SATB1 in acinar cell- specific cell lineages (e.g. AQPT5+ or MIST1+ cells) at specific time points and determine the effects of SATB1 ablation in their descendants. Through these experiments, we will learn the roles of SATB1 in proliferation, morphogenesis, survival and growth during embryonic and early postnatal development. In addition, combining the lineage-tracing approach with Global run-on sequencing (GRO-seq), which captures nascent transcripts, we will identify genes regulated by SATB1 in a cell lineage-specific and stage-specific manner. We expect that results from these proposed experiments will uncover the critical contribution of SATB1 in salivary gland development, growth and function, and such information will likely provide the foundation for the future therapeutic design to promote salivary gland regeneration.
项目摘要/摘要 唾液腺产生唾液,唾液有助于消化,充当吞咽食物的润滑剂,并防止 口腔感染和龋齿。因此,唾液腺功能对口腔健康非常重要。目前, 目前还没有有效的治疗方法来治疗唾液腺受损,这可能是由治疗性放射治疗引起的 头颈癌或自身免疫性疾病。要发展未来的治疗策略,这是必不可少的。 了解唾液腺发育及其再生的调控机制。一点儿 已知唾液腺的基因表达、表观遗传学和染色质组织的调节。 在这里,我们将检验一个假设,即基因组组织者SATB1是唾液腺的关键调节因子 胚胎发育、出生后早期生长发育和功能。这一假设得到了支持 野生型小鼠生后12天SATB1蛋白在腺泡细胞和导管细胞中的表达 通过检测与野生型小鼠相比,Satb1/-小鼠的唾液腺要小得多。我们将确定 胚胎和出生后发育中SGS中SATB1蛋白的表达细胞。通过基因谱系追踪, 我们将研究SATB1在腺泡细胞发育和功能中的作用。我们将删除腺泡细胞中的SATB1- 在特定时间点的特定细胞谱系(例如AQPT5+或MIST1+细胞),并确定SATB1的效果 在他们的后代身上消融。通过这些实验,我们将了解SATB1在增殖中的作用, 胚胎和出生后早期发育的形态发生、存活和生长。此外,结合 使用全局连续测序的血统追踪方法(GRO-SEQ),它捕获了新的转录,我们 将以细胞谱系特定和阶段特定的方式识别受SATB1调控的基因。我们期待着 这些拟议的实验结果将揭示唾液腺中SATB1的关键贡献 发展、增长和功能,这些信息可能会为未来提供基础 促进唾液腺再生的治疗设计。

项目成果

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Terumi Kohwi-Shigematsu其他文献

Terumi Kohwi-Shigematsu的其他文献

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{{ truncateString('Terumi Kohwi-Shigematsu', 18)}}的其他基金

Benzo[a]pyrene-induced chromatin organization and epigenomics mediated by SATB1
SATB1介导的苯并[a]芘诱导的染色质组织和表观基因组学
  • 批准号:
    9244030
  • 财政年份:
    2014
  • 资助金额:
    $ 24.23万
  • 项目类别:
Benzo[a]pyrene-induced chromatin organization and epigenomics mediated by SATB1
SATB1介导的苯并[a]芘诱导的染色质组织和表观基因组学
  • 批准号:
    8675078
  • 财政年份:
    2014
  • 资助金额:
    $ 24.23万
  • 项目类别:
Benzo[a]pyrene-induced chromatin organization and epigenomics mediated by SATB1
SATB1介导的苯并[a]芘诱导的染色质组织和表观基因组学
  • 批准号:
    8865636
  • 财政年份:
    2014
  • 资助金额:
    $ 24.23万
  • 项目类别:
Benzo[a]pyrene-induced chromatin organization and epigenomics mediated by SATB1
SATB1介导的苯并[a]芘诱导的染色质组织和表观基因组学
  • 批准号:
    9213517
  • 财政年份:
    2014
  • 资助金额:
    $ 24.23万
  • 项目类别:
Benzo[a]pyrene-induced chromatin organization and epigenomics mediated by SATB1
SATB1介导的苯并[a]芘诱导的染色质组织和表观基因组学
  • 批准号:
    9484083
  • 财政年份:
    2014
  • 资助金额:
    $ 24.23万
  • 项目类别:
Benzo[a]pyrene-induced chromatin organization and epigenomics mediated by SATB1
SATB1介导的苯并[a]芘诱导的染色质组织和表观基因组学
  • 批准号:
    9043728
  • 财政年份:
    2014
  • 资助金额:
    $ 24.23万
  • 项目类别:
CHARACTERIZATION OF SATB1 MODIFICATIONS FOLLOWING IONIZATION RADIATION
电离辐射后 SATB1 修饰的表征
  • 批准号:
    8170703
  • 财政年份:
    2010
  • 资助金额:
    $ 24.23万
  • 项目类别:
Determinants for genome-wide epigenomics in metastatic breast cancer
转移性乳腺癌全基因组表观基因组学的决定因素
  • 批准号:
    7726410
  • 财政年份:
    2009
  • 资助金额:
    $ 24.23万
  • 项目类别:
Non B DNA Structure with Chemical Carcinogens
含有化学致癌物质的非 B DNA 结构
  • 批准号:
    7909158
  • 财政年份:
    2009
  • 资助金额:
    $ 24.23万
  • 项目类别:
Determinants for genome-wide epigenomics in metastatic breast cancer
转移性乳腺癌全基因组表观基因组学的决定因素
  • 批准号:
    8525100
  • 财政年份:
    2009
  • 资助金额:
    $ 24.23万
  • 项目类别:

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