Hydrogen Sulfide Protects Skin Cells from Chemical Hypoxia Damage
Author Information
Author(s): Yang Chuntao, Yang Zhanli, Zhang Meifen, Dong Qi, Wang Xiuyu, Lan Aiping, Zeng Fanqin, Chen Peixi, Wang Chuhuai, Feng Jianqiang
Primary Institution: Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
Hypothesis
H2S can protect human skin keratinocytes (HaCaT cells) against chemical hypoxia-induced damage.
Conclusion
H2S protects HaCaT cells from chemical hypoxia-induced injuries and inflammation by inhibiting the ROS-activated NF-κB/COX-2 pathway.
Supporting Evidence
- H2S pretreatment significantly increased cell viability and GSH levels while decreasing ROS generation.
- H2S reduced the secretion of inflammatory factors IL-1β, IL-6, and IL-8 in HaCaT cells.
- H2S inhibited COX-2 overexpression and PGE2 secretion induced by CoCl2.
- H2S pretreatment inhibited the nuclear translocation of NF-κB p65 subunit.
Takeaway
Hydrogen sulfide helps skin cells stay healthy when they are not getting enough oxygen by fighting off harmful substances and inflammation.
Methodology
HaCaT cells were treated with cobalt chloride to induce chemical hypoxia, and the effects of H2S on cell viability, ROS levels, and inflammatory factor secretions were measured.
Limitations
The study primarily focuses on in vitro results, which may not fully translate to in vivo conditions.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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