Isingeniso Somkhiqizo
- I-Spermidine, eyaziwa nangokuthi i-spermidine trihydrochloride, iyi-polyamine. Isatshalaliswa kabanzi ezintweni eziphilayo futhi yenziwa nge-biosynthesized kusuka ku-purescine (butanediamine) kanye ne-adenosylmethionine. I-Spermidine ingavimbela i-neuronal synthase, ibophe futhi ifake i-DNA; ingasetshenziswa futhi ukuhlanza amaprotheni abopha i-DNA futhi ikhuthaze umsebenzi we-T4 polynucleotide kinase. Ngo-September 1, 2013, ososayensi baseJalimane nase-Austria benza ucwaningo ngokuhlanganyela futhi bathi i-spermidine ingase ivimbele ukuqala kwesifo i-Alzheimer's.
Inqubo Ukuhamba komsebenzi
Umsebenzi Womkhiqizo
- I-Spermidine ingabambezela ukuguga kwamaprotheni. Ngenxa yokuthi amaprotheni anesisindo samangqamuzana ahlukene angase adlale izindima ezihlukene enqubweni ye-senescence, amanye amaprotheni amakhulu esisindo samangqamuzana angase adlale indima ebalulekile ekulawuleni inqubo ye-senescence yamaqabunga. Uma la maprotheni eqala ukuwohloka, ukubukeka kwe-senescence akunakugwenywa, futhi kunzima ukulawula ukuwohloka kwalawa maprotheni. Kungabambezela inqubo yokuguga. Isizathu sokuthi kungani i-spermidine ingabambezela ukuguga kungase kube ukukhuthaza ukuhlanganiswa kwalawa maprotheni noma ukuvimbela ukuwohloka kwawo.
Isicelo somkhiqizo
- I-Spermidine iyisisindo esiphansi se-aliphatic carbide equkethe amaqembu amathathu e-amine futhi ingenye ye-polyamine yemvelo ekhona kuzo zonke izinto eziphilayo. Kuyimpahla ebalulekile yokwenziwa kwezidakamizwa futhi isetshenziswa kabanzi ekuhlanganiseni ama-intermediate emithi.I-Spermidine ihileleke ezinkambisweni eziningi zezinto eziphilayo eziphilayo, njengokulawula ukwanda kwamangqamuzana, i-cell senescence, ukuthuthukiswa kwezitho, ukungatheleleki, umdlavuza kanye nezinye izinqubo ze-physiological and pathological. Ucwaningo lwakamuva lubonise ukuthi i-spermidine idlala indima ebalulekile yokulawula ezinkambisweni ezifana ne-synaptic plasticity, i-oxidative stress, kanye ne-autophagy ohlelweni lwezinzwa.