6-Methyladenosine methylations and demethylations are ass...">

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The Roles of N6-Methyladenosine in HumanDiseases

機(jī)譯:N6-甲基腺苷在人類中的作用疾病

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摘要

N 6-Methyladenosine methylations and demethylations are associated with a number of human diseases. A chemical and biochemical perspective can complement the biological view of the epigenetic mechanism. The orbital of imino nitrogen and nitrogen-hydrogen orbital displays p-π conjugation and σ-σ hyperconjugation. The electron delocalization attenuates secondary chemical bonding, resulting in low affinities on the imino nitrogen atom to cations. Reduced proton accumulation via N 6-methyladenosine correlates to lower cellular proton levels which may reflect cell physiology and pathogenesis. The lower affinity of the imino nitrogen to divalent cations in the methylated form versus the nonmethylated form may lead to reduced formation of insoluble and rigid calcium oxalate, which was proposed to be the cause of many diseases. The chemical and biochemical attributes of N 6-methyladenosine crosstalk with biological pathways upregulating and/or downregulating gene expressions to give rise to various physiological and biochemical outcomes at the cellular levels and the organismal levels.
機(jī)譯:N 6 -甲基腺苷甲基化和去甲基化與許多人類疾病有關(guān)?;瘜W(xué)和生物化學(xué)的觀點(diǎn)可以補(bǔ)充表觀遺傳機(jī)制的生物學(xué)觀點(diǎn)。亞氨基氮和氮?dú)滠壍里@示p-π共軛和σ-σ超共軛。電子離域作用減弱了次級(jí)化學(xué)鍵合,導(dǎo)致亞氨基氮原子與陽(yáng)離子的親和力低。通過(guò)N 6 -甲基腺苷減少的質(zhì)子積累與較低的細(xì)胞質(zhì)子水平相關(guān),這可能反映了細(xì)胞生理和發(fā)病機(jī)理。亞氨基氮對(duì)甲基化形式的二價(jià)陽(yáng)離子與非甲基化形式的二價(jià)陽(yáng)離子的親和力較低,可能導(dǎo)致不溶性和剛性草酸鈣的形成減少,這被認(rèn)為是許多疾病的原因。 N 6 -甲基腺苷串?dāng)_的化學(xué)和生化屬性具有通過(guò)上調(diào)和/或下調(diào)基因表達(dá)的生物學(xué)途徑,從而在細(xì)胞水平和機(jī)體水平上引起各種生理和生化結(jié)果。

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