─ It is necessary to be aware of the toxic side effects before taking medication.
Taiwanese Scientists Make Major Discovery on Severe Drug Allergy Causes
pine Webmaster of Pineapple
2008/12/07 14:21
508 topics published
Liberty Times Update Date: 2008/11/26 04:09
[Reporter Lin Jiaqi / Taipei Report]
"Taking the wrong medicine?" Be careful, it could trigger severe drug allergies that may be fatal. Four years ago, Academia Sinica and Yang-Ming University collaborated to be the first to discover that the human leukocyte antigen genotype HLA-B*1502 could trigger the terrifying "Stevens-Johnson Syndrome" (SJS). Yesterday, they further announced a groundbreaking discovery, identifying the key cause of severe allergies: when the human body releases a large amount of "granulysin" to attack foreign harmful substances<font class=mark>(Note: Isn't this harmful substance Western medicine?!)</font>, it may conversely cause harm to the body.
The research team has already begun developing neutralizing inhibitory antibodies.
The research team has also initiated the development of neutralizing inhibitory antibodies, which are expected to be applied in organ transplant rejection and autoimmune disease treatments.
Zhong Wenhong, a dermatologist at Chang Gung Memorial Hospital and a member of the research team, pointed out that Taiwan sees at least 50 cases of SJS annually. The main reason is the失控 of the body's immune cells (cytotoxic T cells or natural killer cells), which release a large amount of the toxic protein "granulysin," spreading throughout the body and causing blisters, necrosis of skin and mucosal cells, and in severe cases, accelerating organ failure. If complicated by "toxic epidermal necrolysis" (TEN), the mortality rate can be as high as 50%; even if cured, blindness may occur as a sequela.
Taiwanese people often take medicines indiscriminately and frequently consume multiple drugs simultaneously. Combined with genetic differences between Eastern and Western populations, Zhong Wenhong stated: "Taiwan has 50 cases of SJS a year, which is the average annual number for the entire United States. In Taiwan, there are eight to nine cases per million people. Moreover, because the initial symptoms of SJS are sore throat and fever, doctors often misdiagnose it, missing the critical first three days of treatment."
The results of this research have propelled the development of testing reagents. In the future, simply having patients hold a reagent in their mouths can test for SJS, allowing for early treatment. Additionally, the development of neutralizing inhibitory antibodies is underway, seeking a cure for SJS.
Chen Yuan-tsong, director of the Institute of Biomedical Sciences at Academia Sinica, stated that this research discovery is not only applicable to SJS but also to "graft-versus-host disease" (GVHD) caused by bone marrow transplants. This not only unravels the mechanism by which cytotoxic cells cause autoimmune reactions that harm the body but also identifies key therapeutic targets for the disease.
Zhong Wenhong's research has been published in "Nature Medicine," marking the second time in five years that his papers have been featured in the "Nature" series of journals. Chen Yuan-tsong mentioned that Taiwan publishes about two to three papers in "Nature" each year, and Zhong Wenhong has contributed two in five years, a remarkably impressive performance.
Source:
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