Ndedzipi mhando dzenzira dzekugadzira urume? Ndezvipi zvinhu zvikuru zvinoshandiswa?

Spermidine ipolyamine inokosha inowanikwa zvakanyanya muzvinhu zvipenyu uye inobatanidzwa mumabasa akasiyana-siyana ehupenyu akadai sekuwanda kwemasero, kusiyanisa uye apoptosis. Kune mhando dzakasiyana dzenzira dzekugadzira urume: biosynthesis, chemical synthesis uye enzyme synthesis. Nzira yega yega ine zvayakanakira nezvayakaipira uye mamiriro ekushandiswa kwayo.

Kugadzira spermine ndiyo nzira huru yekugadzira spermine, iyo inowanzoitwa kuburikidza nekuita enzyme mumasero. Kugadzira spermine kunonyanya kuenderana nekushandiswa kwemaamino acids, kunyanya lysine nearginine. Kutanga, lysine inoshandurwa kuita aminobutyric acid (Putrescine) ne lysine decarboxylase, uye aminobutyric acid inosanganiswa nemaamino acids pasi pekushanda kwespermine synthase kuti igadzire spermine. Pamusoro pezvo, kugadzirwa kwespermine kunosanganisirawo kushandiswa kwemamwe mapolyamines, akadai seputrescine (Cadaverine) nespermine (Spermine). Kuchinja kwehuwandu hwemapolyamines aya mumasero kuchakanganisa kugadzirwa kwespermine.

Kugadzira makemikari inzira inowanzoshandiswa pakugadzira spermine murabhoritari. Makemikoro ari nyore eorganic anowanzo shandurwa kuita spermine kuburikidza nemakemikari. Nzira dzakajairika dzekugadzira makemikari dzinotanga kubva kumaamino acids uye pakupedzisira dzinowana spermine kuburikidza nematanho e esterification, reduction uye amination reactions. Chinhu chakanaka chenzira iyi ndechekuti inogona kuitwa mumamiriro ezvinhu akadzorwa, kuchena kwechigadzirwa kwakanyanya, uye yakakodzera kutsvagurudza murabhoritari diki. Zvisinei, kugadzira makemikari kunowanzo da kushandiswa kwe organic solvents uye catalysts, izvo zvinogona kunge zvine simba rakati panharaunda.

Kugadzira maEnzymatic inzira itsva yekugadzira yakagadzirwa mumakore achangopfuura, iyo inoshandisa maitiro chaiwo e-enzyme-catalyzed kugadzira urume. Zvakanakira nzira iyi mamiriro ekuita zvinyoro nyoro, kusarudza kwakanyanya, uye hushamwari kune nharaunda. Kuburikidza netekinoroji yekugadzira majini, synthase inoshanda yeurume inogona kuwanikwa, nokudaro ichivandudza kushanda kwekugadzira. Kugadzira maEnzymatic kune mikana yakawanda yekushandiswa mukugadzirwa kwemaindasitiri, kunyanya muminda ye biomedicine uye zvekudya zvinowedzerwa.

Zvikamu zvikuru zvespermine ipolyamine compounds, kusanganisira spermine, putrescine uye triamine. Maumbirwo emamorekuru espermine ane maamino akawanda ne imino groups, uye ane basa rakasimba rezvehupenyu. Zvidzidzo zvakaratidza kuti spermine inoita basa rakakosha mukuwanda kwemasero, kudzivirira oxidation, uye kudzivirira kukwegura. Mumakore achangopfuura, zvidzidzo zvakawanda zvakawana kuti spermine ine hukama hwakasimba nekuitika uye kukura kwezvirwere zvakasiyana-siyana, zvakaita sekenza, chirwere chemwoyo, uye zvirwere zvinoderedza mashandiro etsinga. Nokudaro, kugadzirwa nekushandiswa kwespermine kwakakwezva kutariswa kukuru.

Mukushandiswa kwazvinoitwa, urume hunogona kushandiswa kwete chete sechinogadzirisa ongororo yezvehupenyu, asiwo sechinowedzerwa pakudya uye chigadzirwa chehutano. Sezvo vanhu vachinyanya kutarisisa hutano, kudiwa kweurume mumusika kuri kuwedzera zvishoma nezvishoma. Nekuvandudza nzira yekugadzira urume, goho rayo nekuchena kwayo zvinogona kuwedzerwa, uye mutengo wekugadzira unogona kuderedzwa, nokudaro zvichikurudzira kushandiswa kwayo muminda yakasiyana-siyana.

Kazhinji, nzira dzekugadzira urume dzinosanganisira biosynthesis, chemical synthesis uye enzyme synthesis. Nzira yega yega ine zvayakanakira zvayo uye mamiriro akakodzera. Tsvagiridzo yeramangwana inogona kutarisa pakuvandudza kushanda zvakanaka kwekugadzira, kuderedza kukanganisa kwezvakatipoteredza uye kuwedzera nzvimbo dzekushandisa. Nekufambira mberi kuri kuramba kuchiitwa nesainzi netekinoroji, kugadzira nekushandisa urume kuchaunza mikana mitsva yekuvandudza.