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Article in Chinese | WPRIM | ID: wpr-828538


Iron homeostasis plays an important role for the maintenance of human health. It is known that iron metabolism is tightly regulated by several key genes, including divalent metal transport-1(), transferrin receptor 1(), transferrin receptor 2(), ferroportin(), hepcidin(), hemojuvelin() and . Recently, it is reported that DNA methylation, histone acetylation, and microRNA (miRNA) epigenetically regulated iron homeostasis. Among these epigenetic regulators, DNA hypermethylation of the promoter region of , and bone morphogenetic protein 6 () genes result in inhibitory effect on the expression of these iron-related gene. In addition, histone deacetylase (HADC) suppresses gene expression. On the contrary, HADC inhibitor upregulates gene expression. Additional reports showed that miRNA can also modulate iron absorption, transport, storage and utilization via downregulation of and other genes. It is noteworthy that some key epigenetic regulatory enzymes, such as DNA demethylase TET2 and histone lysine demethylase JmjC KDMs, require iron for the enzymatic activities. In this review, we summarize the recent progress of DNA methylation, histone acetylation and miRNA in regulating iron metabolism and also discuss the future research directions.

Epigenesis, Genetic , Gene Expression Regulation , Genetics , Homeostasis , Humans , Iron , Metabolism , Receptors, Transferrin
China Pharmacy ; (12)2005.
Article in Chinese | WPRIM | ID: wpr-534145


OBJECTIVE:To probe into effect of aerosol inhalation of ambroxol hydrochloride on phlegm-removing and airway obstruction in patients undergoing anterior cervical spine surgery. METHODS:62 patients undergoing anterior cervical spine surgery were treated with primary treatment. Treatment group were additionally given 30 mg ambroxol hydrochloride added into aerosol inhalation and control group were treated with 4 000 IU ?-chymotrypsin added into aerosol inhalation. Both groups were treated wreistpho innshea lraattieo nw oefr e6 ~978% L ?fomr intr-e1a tomxyengte ng-roduripv eann dae 7ro1s%ol s ftowr icceo nat rdoal yg reoaucph (timP