Vanopedza Doro Vanowana Kuporesa Zvimwe Zvakaoma
Vanonwa nguva refu vanogona kuonekwa seine hutano, asi kana vachirwara kana vakakuvara, vangawana zvakaoma kuporesa. Doro inoshandiswa inonyanya kunetseka pamaramiro ehomoni uye kuchinja muviri wemuviri.
Salk Institute yekuongorora mhuka dzebharatori yakawana kuti nguva refu doro rinoshandiswa rinogona kukuvadza kukwanisa kwemuviri kubvuma kudzvinyirira sekurwara kana kukuvadzwa.
Doro rakawandisa rinogona kuita kuti iwe urware nokuradzisa muviri wako kudzivirira, vatsvakurudzi vanoti.
Catherine Rivier, purofesa paClayton Foundation Laboratories yePeptide Biology kuSalk Institute muLa Jolla, Calif., Akaongorora migumisiro yewaini pamusana pekudzvinyirira mupfungwa mumakonzo e laboratori. Rimwe boka remakonzo raive rakananga kune doro mhepo, asi imwe, iyo yakawanda yehuse yakashanda seboka rinodzora.
Kurwisana kana Kurwisana Mhinduro
Mhete dzaiiswa pachena kune doro vaporo kwemaawa matanhatu pazuva kwemazuva masere. Zvose zvemakonzo dzaive dzakasununguka kune marudzi maviri ezvinokonzera - kushamiswa kwemagetsi uye kujekesa kwehupfu uye mahomoni avo akaonekwa.
Mhinduro yekudzvinyirira, inozivikanwawo se "kurwisana-kana-ndege," inotanga munzvimbo yeuropi inonzi hypothalamus, iyo inogara mukatikati meuropi.
Kana muviri uchitarisana nechishushi, hypothalamus inobudisa mahomoni anonzi corticotropin-releasing factor (CRF) uye vasopressin (VP).
Aya mahomoni maviri anoenda kune chirwere chepituitary, zvichiita kuti secretion ye adrenocorticotropin (ACTH), Rivier inyore.
ACTH inopinda muropa uye inoita kuti adrenal glands ibudise corticosteroids. Aya makemikari anoita kuti kuve nekudzoka kwezvibereko, seglucose, kunzvimbo dzemuviri uri pasi pekutambudzika.
Kunetseka Kunogona Kuunza Kurwara
Mumakumbo ekudzora, mazinga ehomoni akagara akangwara uye sezvakatarirwa. Muboka rewaini, mazinga eRFF neVP uye mapeji emagetsi mu hypothalamus zvakaderera zvikuru.
Kana zvikwata zveRFF zvakaderera, mhinduro dzemuviri zvingangodaro dzisina kukwana munguva dzekutambudzika, Rivier akati. "CRF ndiyo inonyanya kukosha pamatambudziko edu."
"Kushungurudzika kunogona kuunza kurwara kuburikidza nekuchinja muviri wemuviri, sekunge vadzidzi vachirwara munguva yekuongorora kana kuti vanhu vane rufu mumhuri," akadaro Dipak Sarkar, purofesa, uye sachigaro webazi rezvinyorwa zvezvipfuwo ku Rutgers.
Migumisiro Yokunwa Doro
Rivier akati aizoda kuita tsvakurudzo yakafanana pamusoro pezvinwiwa-kusarudza rats, makonzo anonwa doro nemwoyo wose. Ongororo dzekare dzakaratidza kusawirirana muhupenzi hwehadzi dzaidha doro nokuzvidira uye avo avo, semakonzo ari muchidzidzo ichi, vakapiwa doro vasingasarudzi.
"Zvakawanda zvatakawana nevamwe nezvemigumisiro yekudhakwa zvakawanikwa zvichiitika kuvanhuwo," akadaro.
Kunobva:
Rivier, CL, uye al. "Kuzviratidza kwenguva refu kune Mishonga Inokonzerwa Nezvinwiwa Doro Zvine Mwero Hypothalamic Kutsigira kuImune uye Pasina-Immune Signals." Kunwa doro: Kuongorora uye Kuongorora Ongororo munaJanuary 2000.