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Creutzfeldt-Jakob Disease: Understanding the Rare and Fatal Brain Disorder
Published: 2026/01/29 23:10:58
What is Creutzfeldt-Jakob Disease (CJD)?
Creutzfeldt-Jakob Disease (CJD) is a rare, degenerative, and ultimately fatal brain disorder. It belongs to a group of conditions known as prion diseases, which are caused by misfolded proteins called prions. These prions accumulate in the brain, leading to rapid neurological decline and dementia. The recent case reported at San Donato Hospital in Italy highlights the importance of understanding this disease, while also emphasizing that it is not transmissible from person to person.
Types of CJD
CJD isn’t a single disease, but rather encompasses several forms, each with different causes and characteristics:
- Sporadic CJD (sCJD): This is the most common form, accounting for approximately 85% of cases.It occurs spontaneously with no known cause.
- Familial CJD (fCJD): This form is inherited, caused by genetic mutations in the PRNP gene, which codes for the prion protein. It represents 10-15% of cases.
- Variant CJD (vCJD): This form is linked to the consumption of beef contaminated with bovine spongiform encephalopathy (BSE), commonly known as “mad cow disease.”
- Iatrogenic CJD: This is a very rare form
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