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尼古丁破坏了基于牙干细胞的牙周组织再生

Yuran Jiang¹, Kuan Yang², Bo Jia³

¹State Key Laboratory of Military Stomatology, National Clinical Research Center for Oral Diseases, Shaanxi Key Laboratory of Stomatology, School of Stomatology, Fourth Military Medical University, Xi'an, Shaanxi, China.

Journal of dental sciences

|February 2, 2024

概括

尼古丁会损害牙干细胞的再生,恶化牙周炎. 这项研究确定了HMGCS1,GPNMB和CHRNA7等关键基因,这些基因与吸烟相关的骨损失和组织损伤有关.

科学领域:

口腔生物学口腔生物学
再生医学是一种再生医学.
分子生物学分子生物学

背景情况:

众所周知,香烟中的有毒成分尼古丁会使牙周炎恶化.
尼古丁对牙干细胞及其在牙周炎中的再生潜力的特定影响仍然在很大程度上未被描述.

研究的目的:

研究尼古丁对人类牙周带干细胞 (hPDLSCs) 再生能力的影响.
使用转录组学和蛋白质组学识别与吸烟相关的牙周炎相关的潜在目标基因.

主要方法:

hPDLSCs暴露于不同度的尼古丁.
进行了转录基因和蛋白质基因分析,通过西部斑点,EDU和ALP染色验证.
通过尼古丁给药,建立了牙周炎的小鼠模型,随后进行了微型CT和骨再吸收的组织学评估.

主要成果:

尼古丁暴露减少了hPDLSC的增殖和分化.
通过抑制内源干细胞活性,体内尼古丁的使用加剧了骨吸收,并阻碍了牙周组织的再生.
HMGCS1,GPNMB和CHRNA7被确定为关键基因,与干细胞增殖和分化相关,在细胞和组织样本中得到验证.

结论:

尼古丁通过影响牙干细胞,显著损害牙周组织的再生潜力.
这项研究提供了新的分子标,包括HMGCS1,GPNMB和CHRNA7,以了解和潜在地治疗与吸烟有关的牙周炎.

关键词:

骨头重塑/再吸收骨头重塑/再吸收人类牙周带干细胞 (hPDLSCs)牙周病是指牙周病的发生.再生再生再生的过程序列分析是指进行序列分析.吸烟吸烟吸烟吸烟

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