幽门螺杆菌诺贝尔奖的故事英语作文
Helicobacter pylori is one of the highest rates of infection bacteria in the world.Although the infection rate of H.pylori has decread in many parts of the world,nearly half of the world's population is still affected by H.pylori.Most people infected with H.pylori do not have obvious clinical symptoms,however H.pylori is an important factor associated with the development of digestive dias.According to statistics,about less than 0.01%of H.pylori infected people develop into gastric mucosa-related lymphoid tissue lymphoma(MALT),0.1%~3%developintogastric,cancer,1%~10%develop into peptic ulcer,up to 10%~15%will develop into Helicobacter pylori-r护肤小知识
elated dias.
Electron microscope of H.H.pylori
In 1981 Australia royal perry hospital pathology department Warren and intern Marshall using Warthin-Starry staining method found that bacteria on gastric mucosa specimens,Marshall with tetracycline treatment 1 patients with gastric bacteria elderly gastritis patients,found after remove bacteria gastritis symptoms improved,then they began
to cooperate,trying to culture and isolate the bacteria from the gastric mucosa,after repeated more than 30 times have no results.It was not until the 37th culture,done on April 26水彩画怎么画
,1982,that the bacterium was finally isolated.People in复古卷发
the study of the biological characteristics of the bacteria,had veral times more famous,until 1989 was officially named helic pylori(Helicobacter pylori),therefore,before the discovery of HP study gastric spiral bacteria for a century,but isolated HP only 30 years,now people on HP rearch has made great development,and made great achievements,the discovery of HP to some clinical dias opened up a new era.
The 2005 Nobel Prize in Physiology or Medicine was awarded to two Australian physicians,Warren and Marshall.