Prion
| Prion | |
|---|---|
| Keterangan | |
| Jenis | |
| Kesan | Transmissible spongiform encephalopathy (en) |
| Rawatan | |
| Pengkhususan | Penyakit berjangkit |
| Sejarah penemuan | |
| Masa | 1982 |
| sunting · sunting di Wikidata | |
Prion ialah protein dengan keupayaan untuk menghantar bentuk mereka ke variasi normal protein yang sama. Mereka menyifatkan beberapa penyakit neurodegeneratif membawa maut dan transmissible pada manusia dan banyak haiwan lain. Tidak diketahui apa yang menyebabkan protein normal menjadi salah; struktur tiga dimensi yang tidak disyaki disyaki menyebarkan sifat berjangkit, meruntuhkan molekul protein berdekatan ke dalam bentuk yang sama. Perkataan prion berasal dari "zarah berjangkit proteinaceous".[1][2] Peranan hipotesis protein sebagai agen berjangkit adalah berbeza dengan semua agen berjangkit lain seperti virus, bakteria, kulat dan parasit, yang semuanya mengandungi asid nukleat (DNA, RNA atau kedua-duanya).
Rujukan
- ^ "What Is a Prion?". Scientific American. Dicapai pada 15 May 2018.
- ^ Encyclopaedia Britannica. Dicapai pada 15 May 2018.
Pautan luar
- Deadly Feasts: The "Prion" Controversy and the Public's Health, Richard Rhodes, 1998, Touchstone, ISBN 0684844257
- The Pathological Protein: Mad Cow, Chronic Wasting, and Other Deadly Prion Diseases, Phillip Yam, 2003, Springer, ISBN 0387955089
- The Family That Couldn't Sleep by D.T. Max. ISBN 978-0812972528. provides a history of prion diseases.
- The Prion Protein a special issue of the open-access journal Current Issues in Molecular Biology
- Aguzzi A, Baumann F, Bremer J (2008). "The prion's elusive reason for being". Annual Review of Neuroscience. 31: 439–77. doi:10.1146/annurev.neuro.31.060407.125620. PMID 18558863.
- Brown P, Cervenakova L (2005). "A prion lexicon (out of control)". The Lancet. 365 (9454): 122. doi:10.1016/S0140-6736(05)17700-9. PMID 15639292.
- Kraus A, Groveman BR, Caughey B (2013). "Prions and the potential transmissibility of protein misfolding diseases". Annual Review of Microbiology. 67: 543–64. doi:10.1146/annurev-micro-092412-155735. PMC 4784231. PMID 23808331.
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