Hydrogen sulphide donors selectively potentiate a green tea polyphenol EGCG-induced apoptosis of multiple myeloma cells

Jaehoon Bae, Motofumi Kumazoe, Shuya Yamashita, Hirofumi Tachibana

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

Hydrogen sulphide (H 2 S) is a colourless gas with the odour of rotten eggs and has recently been recognized as a signal mediator in physiological activities related with the regulation of homeostasis, the vascular system and the inflammatory system. Here we show that H 2 S donors, including sodium hydrogen sulphide (NaHS), GYY 4137 and diallyltrisulfide (DATS), synergistically enhanced the anti-cancer effect of a green tea polyphenol (-)-epigallocatechin-3-O-gallate (EGCG) against multiple myeloma cells without affecting normal cells. NaHS significantly potentiated the anti-cancer effect of EGCG and prolonged survival in a mouse xenograft model. In this mechanism, H 2 S enhanced apoptotic cell death through cyclic guanosine monophosphate (cGMP)/acid sphingomyelinase pathway induced by EGCG. Moreover, NaHS reduced the enzyme activity of cyclic nucleotide phosphodiesterase that is known as cGMP negative regulator. In conclusion, we identified H 2 S as a gasotransmitter that potentiates EGCG-induced cancer cell death.

Original languageEnglish
Article number6665
JournalScientific reports
Volume7
Issue number1
DOIs
Publication statusPublished - Dec 1 2017

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Hydrogen Sulfide
Polyphenols
Tea
Multiple Myeloma
Apoptosis
Cyclic GMP
Gasotransmitters
Cell Death
Sphingomyelin Phosphodiesterase
Neoplasms
Cyclic Nucleotides
Phosphoric Diester Hydrolases
Heterografts
Eggs
Blood Vessels
Homeostasis
Gases
Acids
epigallocatechin gallate
Enzymes

All Science Journal Classification (ASJC) codes

  • General

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Hydrogen sulphide donors selectively potentiate a green tea polyphenol EGCG-induced apoptosis of multiple myeloma cells. / Bae, Jaehoon; Kumazoe, Motofumi; Yamashita, Shuya; Tachibana, Hirofumi.

In: Scientific reports, Vol. 7, No. 1, 6665, 01.12.2017.

Research output: Contribution to journalArticle

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AU - Tachibana, Hirofumi

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