2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Nyob rau xyoo 1980s American neurologist Stanley B. Prusiner Prusiner Prusiner loj hlob hauv Cincinnati, Ohio, thiab tau kawm hauv University of Pennsylvania (A. B., 1964; M. D., 1968). Tom qab siv plaub xyoos hauv kev tshawb fawb txog biochemical, nws tau los ua (1972) ib tus neeg nyob hauv neurology ntawm University of California, San Francisco, Tsev Kawm Ntawv Tshuaj. Tsab ntawv xov xwm no tshwm sim thawj zaug https://www.britannica.com › biography › Stanley-B-Prusiner
Stanley B. Prusiner | American biochemist thiab neurologist
thiab cov npoj yaig txheeb xyuas "cov kab mob sib kis kab mob," lub npe uas luv luv rau "prion" (hais tias "pree-on").
Leej twg pom cov kab mob sib kis?
Lub sijhawm xyoo 1960, ob tus kws tshawb fawb hauv London, hluav taws xob biologist Tikvah Alper thiab biophysicist John Stanley Griffith, tau tsim qhov kev xav tias qhov kis tau tus kab mob spongiform encephalopathies yog tshwm sim los ntawm tus kab mob sib kis. tsuas yog cov proteins xwb.
leej twg thawj zaug pom prions?
Koj Tus Huab Tais, Koj Cov Nom Tswv, Cov Poj Niam thiab Cov Poj Niam, Xyoo Nobel nqi zog hauv Physiology lossis Tshuaj tau txais txiaj ntsig rau Stanley B. Prusinerrau nws qhov kev tshawb pom ntawm prions - ib qho tshiab biological txoj cai ntawm kev kis kab mob.
Prusiner nrhiav tau prions li cas?
Nyob rau xyoo 1982, tom qab kaum xyoo ntawm kev tshawb fawb, nws thiab nws pab neeg tau tsim ib qho kev npaj los ntawm lub hlwb hamster uas muaj cov kab mob sib kis tsuas yog ib qho protein xwb. Prion proteins(PrP), Prusiner pom, yog "ob tus neeg sawv cev," uas muaj nyob hauv ob qho tib si ib txwm ua raws (PrPc) thiab kab mob ua rau muaj kev sib haum xeeb (PrPSc).
Thaum twg Prusiner pom prions?
Nyob hauv 1982 Stanley Prusiner tau cais tus neeg mob uas xav tias muaj kab mob, cov protein uas nws hu ua prion.
Pom zoo:
Cov kab kab kab kab kab ua kab mob txaus ntshai npaum li cas?
Nyob rau hauv peb thiab tom ntej instars ntawm lawv txoj kev loj hlob, Pine processionary caterpillars yog mob heev rau daim tawv nqaij ntawm tib neegthiab lwm yam tsiaj. Kev sib cuag yooj yim nrog cov plaub hau ntawm kab ntsig tuaj yeem ua rau pob khaus hnyav (urticaria) thiab khaus qhov muag, thiab qee tus neeg yuav muaj kev fab tshuaj.
Cov tshuaj kab kab mob puas yuav ua haujlwm rau cov kab mob sib kis?
Bayer Drontal Broad Spectrum Dewormer zoo tshem tawm ntau hom kab mob hauv plab nrog rau cov kab mob tapeworms, hookworms, thiab roundworms. Kuv puas tuaj yeem kho kuv tus miv rau kab kab kab kab thiab kab kab sib chaws tib lub sijhawm?
Cov kab mob kab mob kis tau rau tib neeg li cas?
Kab mob khaub thuas yog kab mob uas yuav tsum tau nyob hauv lub cev. Cov kab mob cab no tuaj yeem ua rau zawv plab thiab ua npaws. Hom kab mob roundworms hauv tib neeg muaj xws li pinworms thiab ascariasis. Feem ntau, cov kab mob kis kab mob kis los ntawm kev mus rau cov teb chaws uas tsis huv thiab huv si.
Kev kis tus kab mob kis tau zoo twg ua rau mob hiv thiab pab?
Raws li CDC, cov kab mob kis tau zoo tshaj plaws rau cov neeg muaj HIV lossis AIDS suav nrog: Candidiasis, kev kis kab mob los ntawm cov poov xab hauv cov genus Candida, uas yog mob hnyav tuaj yeem cuam tshuam. lub esophagus, trachea, bronchi, thiab cov ntaub so ntswg tob.
Leej twg txheeb xyuas cov kab mob ua rau kis kab mob?
Robert Koch's kev tshawb fawb, muaj npe nrov npe hu ua "Koch's postulates," qhia tau tias kev kis kab mob yog tshwm sim los ntawm cov kab mob thiab yog li ua rau pom qhov tshwm sim ntawm tus kab mob sib kis. Leej twg txheeb xyuas cov kab mob?
