Cysteine

2024 Tus sau: Jasmine Walkman | [email protected]. Kawg hloov kho: 2023-12-16 08:31

Cysteine yog leej faj cov amino acid uas tau txais los ntawm cov zaub mov, nws kuj tuaj yeem tsim tawm hauv lub cev, los ntawm cov amino acid methionine. Hauv kev tsim cov cysteine, methionine hloov pauv rau S-adenosyl methionine, uas tom qab ntawd hloov mus rau homocysteine. Homocysteine reacts nrog serine los ua cysteine.

Cysteine ua lub luag haujlwm tseem ceeb hauv kev tswj hwm glutathione hauv tib neeg lub cev. Nws cov mis yog C3H7NO2S thiab nws yog ib qho tseem ceeb heev rau kev ua haujlwm ntawm cov leeg tsim kom muaj zog. Qhov tseeb xav tau yog tias cysteine yog ib feem ntawm cov lus sib xyaw ntawm cov tshuaj insulin, uas nws muaj peev xwm hloov mus rau hauv cov kua nplaum ntshiab yog tias tsim nyog. Yog li, hauv kev muaj tiag, cov khoom siv no tuaj yeem saturate lub cev nrog lub zog ntau dua rau cov haujlwm ntau yam peb ua txhua hnub. Tias yog vim li cas qhov kev txhawb nqa no yog qhov tseem ceeb rau cov neeg uas qhia ntau yam thiab feem ntau ua rau lub neej nquag.

Lub luag hauj lwm cysteine

Antioxidant kev ua si - raws li lub ntsiab lus ntawm glutathione, cysteine muaj ntau lub zog tseem ceeb ntawm kev xav hauv lub cev. Glutathione, tsim los ntawm cysteine, glutamic acid thiab glycine, yog pom nyob hauv txhua tus tib neeg cov ntaub so ntswg, nrog nws cov ntsiab lus ntau tshaj plaws hauv daim siab thiab qhov muag. Glutathione yog cov tshuaj antioxidant haib, tiv thaiv adipose cov ntaub so ntswg los ntawm kev puas tsuaj ntawm cov dawb radicals.

Detoxification - glutathione kuj tseem ua lub luag haujlwm tseem ceeb hauv kev kho mob hauv daim siab. Glutathione tseem nqa khoom noj khoom haus tseem ceeb rau lymphocytes thiab phagocytes - cov hlwb tseem ceeb rau cov tshuaj tiv thaiv kab mob.

Pab tshem tawm cov hnoos qeev - Cysteine kuj tseem muaj peev xwm zom cov protein nyob hauv mucus uas ua rau lub ntsws puas. Yog li ntawd, nws yuav pab tau rau kev kho mob ntsws thiab lwm yam teeb meem ua pa.

Cysteine tsis muaj peev xwm

Cysteine tsis muaj peev xwm tuaj yeem pom nyob rau hauv cov neeg tsis noj zaub uas noj zaub mov cog muaj methyline thiab cysteine tsawg tsawg. Txawm li cas los xij, ib qho mob kho mob ncaj qha tshwm sim los ntawm cysteine deficiency yog tsis paub.

Kev noj cov zaub mov nrog cysteine lossis methionine tsis zoo yuav ua rau muaj cov tsos mob lom. Txawm li cas los xij, cysteine yog lub hlwb excitoxin uas tuaj yeem ua rau kev puas tsuaj rau cov hlwb nyob rau hauv lub hlwb ntawm cov neeg muaj kev cuam tshuam. Cov neeg zoo li no tsis muaj cov amino amino metabolism zoo thiab vim li ntawd yuav muaj kev pheej hmoo ntawm qee cov kab mob neurodegenerative, suav nrog ntau yam sclerosis, Alzheimer tus kab mob thiab lwm tus.

Cysteine tsis muaj peev xwm cuam tshuam loj heev rau lub cev thiab tshwj xeeb hauv kev mob ntawm plaub hau, rau tes thiab tawv nqaij. Qhov no tuaj yeem ua rau kev nyuaj siab. Tsis muaj tsawg tshaj qhov tseem ceeb yog qhov tseeb tias qhov tsis muaj cysteine txaus hauv lub cev tuaj yeem dhau los ua rau lub zog ntawm ntau lub pathologies ntawm lub plawv, teeb meem ntawm lub plab, lub cim xeeb tsis zoo lossis lub cev tsis muaj zog tiv thaiv.

Cysteine noj tshuaj ntau dhau

Kev noj tshuaj ntau dua ntawm qhov ncauj N-acetyl-cysteine, xws li cov muab rau cov neeg mob uas muaj tshuaj lom ntau dua, tuaj yeem ua rau xeev ntuav, ntuav thiab raws plab. Kev tswj cov ntshav N-acetyl cysteine tuaj yeem ua rau muaj kev tsis haum tshuaj, thiab nyob rau feem pua me me ntawm cov tib neeg nws pom los ntawm daim tawv nqaij liab, ua rau cov ntshav qis, ua lub plawv dhia tsis xwm yeem thiab ua pa nyuaj. Kev siv tshuaj ntau dua los ntawm cov tshuaj N-acetyl-cysteine yuav ua rau neeg tuag taus.

Kev sib xyaw ua ke ntawm nitroglycerin thiab N-acetyl-cysteine tuaj yeem ua rau mob taub hau heev. Cysteine pab cuam sai hauv cov metabolism ntawm acetaminophen thiaj li tiv thaiv daim siab puas. N-acetyl cysteine tseem tiv thaiv lub plawv puas tsuaj los ntawm qee cov tshuaj thaum lub sij hawm tshuaj lom neeg mob thiab ua rau muaj kev cuam tshuam zoo rau cov tshuaj interferon hauv kev kho kab mob siab C.

Muaj cov neeg uas qhia tus neeg tsis kam mus rau qhov kev pab ntxiv thiab qhov no ua rau o caj pas thiab ntsej muag, tawm pob ntawm daim tawv thiab ua pa nyuaj. Hauv qhov no, nws yog qhov tseem ceeb kom nrhiav kev kho mob sai.

Kev ua xua rau cysteine vim qhov tseeb hais tias lub cev siv nws los ua ib cov taug thiab ua rau nws ntaus, ua cov koob tshuaj ntau homocysteine. Yog vim li cas nws yog qhov tseem ceeb tshwj xeeb los txiav txim siab seb koj lub cev tiv thaiv zoo li cas rau txhua yam ntxiv, uas tseem siv rau cov khoom noj uas koj noj.

Yuav tsum tau cov cai niaj hnub ntawm cysteine

Yog koj noj cov amino acid cysteine nyob rau hauv daim ntawv ntawm cov tshuaj pab, cov cai txhua hnub ntawm pob yog ib txwm qhia. Nws yog ib qho tseem ceeb kom ua raws li cov lus qhia no, vim tias noj ntau dua ntawm cysteine muaj nws cov kev mob tshwm sim ntawm lub cev. Thaum noj cov amino acid, koj kuj yuav tsum haus dej kom txaus. Kws txawj ntseeg hais tias kev cai txhua hnub yog muaj sib npaug 2500-3000 mg. Cov koob tshuaj saum toj no 7000 mg muaj qhov sib txawv ntawm lub cev, uas yog nws yog tshuaj lom thiab tuaj yeem ua rau muaj kev mob tsis txaus ntseeg ntau yam tshwm sim.

Kev sib tov cysteine

Cysteine hauv tib neeg lub cev yog tau nrog kev pab ntawm lwm cov tseem ceeb amino acid, uas yog lub npe hu ua methionine. Cov txheej txheem ntau heev ntawm kev tau thiab tshwj xeeb tshaj yog kev hloov pauv ntawm methionine rau cysteine yog qhov nyuaj heev. Lub xub ntiag ntawm qee cov vitamins thiab cov enzymes muab kev koom rau hauv tus txheej txheem no yog qhov tseem ceeb heev. Qhov no ua rau muaj kev tsis sib haum xeeb hauv lub cev ua haujlwm, uas yog qhov tsis muaj qee yam tseem ceeb koom nrog hauv cysteine synthesis.

Hauv qee qhov kab mob, "kev mob tsis xwm yeem" tseem tuaj yeem tshwm sim hauv lub cev thiab vim li ntawd, qhov hloov pauv ntawm methionine mus rau cysteine kuj tuaj yeem nyuaj. Cov kab mob muaj qhov tseem ceeb rau kev sib txuas ntawm cov amino acids. Qhov no yog qhov tseeb tshwj xeeb tshaj yog rau pathologies ntawm lub siab thiab teeb meem ntawm lub plab zom mov.

Ib qho tshwj xeeb ntxim nyiam yog tias qhov synthesis no tsis tshwm sim hauv lub cev ntawm cov menyuam tshiab. Qhov laj thawj rau qhov no yog tias menyuam mos tau txais tag nrho cov khoom tsim nyog los ntawm leej niam lub mis, suav nrog cysteine.

Cov txiaj ntsig ntawm cysteine

Cysteine tuaj yeem ua txoj hauv kev tiv thaiv thiab / lossis kev kho mob ntawm cov kab mob hauv qab no: mob ntsws ua pa nyuaj, mob hawb pob, mob cancer, cataracts, poob plaub hau, mob plawv, mob hlau hnyav, AIDS, kab mob siab, psoriasis, mob rheumatoid thiab kis mob.

Txawm li cas los xij, nws cov txiaj ntsig yog deb dhau los. Hauv xyoo 2008, txoj kev tshawb nrhiav zoo heev tau ua tiav ntawm nas, uas tau qhia qhov txhim kho tseem ceeb hauv kev mob ntawm cov tsiaj mob ntshav qab zib. Piv txwv li, tom qab noj cysteine, qib hauv cov ntshav qab zib hauv lawv lub cev raug txo qis thiab qhov rhiab ntawm cov tsiaj mus rau insulin tau nce. Ib qho ntxiv, cysteine pab txhawm rau txhaws qhov txhab ntshav ntawm cov hlab ntshav.

Hauv xyoo 2008, lwm cov pov thawj tseem ceeb tau ua hais txog cov txiaj ntsig ntawm cov tshuaj no ntawm cov hnyuv thiab qhov tshwj xeeb hauv lawv cov kev mob. Yog li, nws tau ua pov thawj tias cov amino acid muaj cov txiaj ntsig zoo nyob rau hauv kev mob plab. Tus npua koom hauv qhov kev sim no.

Nrog rau txhua qhov no, nws txwv tsis pub tsim cov khoom lag luam dawb. Qhov no tau ua pov thawj hauv kev sim 7-hnub koom nrog 10 tus txiv neej uas pom tias muaj peev xwm ntxiv hauv lub cev hauv lub cev ua antioxidant, nrog rau kev txo qis ntawm kev tsim cov dawb radicals.

Hauv lwm cov tshuaj cysteine siv raws li lub ntuj tshuaj rau:

- angina;

- cov kab mob plawv;

- mob ntsws ntev;

- ntshav qab zib;

- khaub thuas;

- o mob;

- mob plab hnyuv;

- osteoarthritis.

Leej twg xav tau cysteine ntau tshaj?

Txhua tus xav tau cov amino acid, tab sis rau qee tus neeg nws tseem ceeb dua. Qhov no muaj tseeb tshwj xeeb rau koj ntawm koj uas coj lub neej nquag, qhia ua haujlwm, muaj kev ntxhov siab hnyav thiab hauv cov neeg uas lub cev tsis muaj zog tiv thaiv kab mob. Lawv muaj qhov xav tau tshwj xeeb rau cov khoom noj los yog tshuaj cysteine.

Cov khoom noj kom zoo yuav pab ua kom lub cev tsis muaj zog thiab ua kom muaj zog tiv thaiv kab mob. Yog li, nws tseem ceeb rau noj cov zaub mov ntau nyob hauv cov amino acid no rau cov neeg uas muaj AIDS, mob plawv lossis mob ntsws.

Kev ua ntawm cysteine thiab lwm yam tshuaj yeeb dej caw

Niaj hnub no, cov cheeb tsam no tau zoo dua kawm, yog li cas cov amino acid no tuaj yeem cuam tshuam lub cev hauv kev sib xyaw nrog lwm cov tshuaj. Qhov txuas ntxiv muaj qhov cuam tshuam tsis zoo nrog qee yam tshuaj siv. Piv txwv li, qhov khoom no txwv qhov kev txiav txim ntawm cov tshuaj nyob hauv angina. Cov lus qhia ntxiv tsis pom zoo rau cov poj niam cev xeeb tub thiab pub niam mis lossis noj tshuaj uas txwv kev tiv thaiv kab mob.

Cov amino acid nyob rau hauv kev lag luam

Cysteine siv nquag nyob rau hauv kev lag luam khoom noj khoom haus ntxiv E920Cov. Yog li, nws tsis yog tsuas yog tsis muaj nuj nqis rau lub cev, tab sis tseem ntseeg tau hais tias nyob hauv daim ntawv ntawm kev noj zaub mov zoo ua rau lub raum thiab cov hlab plawv.

Cov tshuaj Cysteine tuaj yeem yog ob qho tib si thiab keeb kwm hluavtaws. Cov txheej txheem tsim tawm ntawm cov qub yog ntau pheej yig dua, thiab ntawm qhov tod tes, tom kawg yog qhov txiaj ntsig ntawm ntau cov txheej txheem nyuaj hauv kev lag luam chemical. Ntau cov ntaub ntawv raw, xws li feathers lossis wool, tuaj yeem siv rau hauv kev tsim cov amino acids. Raws li koj paub, lawv tau nplua nuj heev nyob rau hauv keratin, uas yog qhov tseem ceeb heev rau lub cev, uas muaj cysteine. Raws li kev ua haujlwm ntev ntawm cov neeg siv dag siv, cov khoom ntawm nws cov decomposition yog muab rho tawm los ntawm cov khoom nyoos nyob rau hauv daim ntawv ntawm no amino acid.

Qhov chaw ntawm cysteine

Cysteine tuaj yeem tau txais los ntawm ntau cov zaub mov, suav nrog nqaij qaib, yogurt, qe qe, liab kua txob, qej, dos, zaub cob pob, Zaub pob txawv, oats thiab cov noob nplej. Cov qe, cod, nqaij npuas raum thiab mob siab, caviar, noob paj noob hlis yog nplua nuj nyob hauv cysteine.

Cysteine, nrog rau lwm yam sulfur uas muaj cov amino acids xws li methionine, raug pom zoo rau kev siv rau txhua tus neeg dhau hnub nyoog 1 xyoos. 25 milligrams ntawm cysteine ntxiv rau methionine (ua ke) rau txhua 1 gram ntawm cov zaub mov muaj protein.

Kuj pom txhua yam hais txog cystine amino acid.