Search results
Results From The WOW.Com Content Network
Progerin may also play a role in normal human aging, since its production is activated in typical senescent cells. [21] Unlike other "accelerated aging diseases", such as Werner syndrome, Cockayne syndrome, or xeroderma pigmentosum, progeria may not be directly caused by defective DNA repair. These diseases each cause changes in a few specific ...
Fibrodysplasia ossificans progressiva (/ ˌ f aɪ b r oʊ d ɪ ˈ s p l eɪ ʒ (i) ə ɒ ˈ s ɪ f ɪ k æ n z p r ə ˈ ɡ r ɛ s ɪ v ə /; [1] abbr. FOP), also called Münchmeyer disease or formerly myositis ossificans progressiva, is an extremely rare connective tissue disease in which fibrous connective tissue such as muscle, tendons, and ligaments turn into bone tissue (ossification).
Dede Koswara (1971 – January 30, 2016), also known as the "Tree Man", was an Indonesian carpenter with epidermodysplasia verruciformis (EV), a rare disease that causes the human papillomavirus (HPV) to grow uncontrollably, leading to the development of warts resembling tree bark. For most of his life, he was shunned for having an unknown disease.
DNA recovered from the bones of ancient Europeans is shedding light on the genetic origins of the debilitating disease multiple sclerosis. Gene that protected humans 5,000 years ago may be linked ...
There are more than 500 species of arboviruses, but in the 1930s only three were known to cause disease in humans: yellow fever virus, dengue virus and Pappataci fever virus. [202] More than 100 of such viruses are now known to cause human diseases including encephalitis. [203] Yellow fever is the most notorious disease caused by a flavivirus ...
The following outline is provided as an overview of and topical guide to concepts related to infectious diseases in humans.. Infection – transmission, entry/invasion after evading/overcoming defense, establishment, and replication of disease-causing microscopic organisms (pathogens) inside a host organism, and the reaction of host tissues to them and to the toxins they produce.
Mycobacterium leprae was discovered in 1873 by the Norwegian physician Gerhard Armauer Hansen (1841–1912), and was the first bacterium to be identified as a cause of disease in humans. [8] It was confirmed to be a bacterium by Albert Ludwig Sigesmund Neisser who argued with Hansen over priority for the discovery. [59]
Primary pathogens cause disease as a result of their presence or activity within the normal, healthy host, and their intrinsic virulence (the severity of the disease they cause) is, in part, a necessary consequence of their need to reproduce and spread. Many of the most common primary pathogens of humans only infect humans, however, many ...