{"id":36652,"date":"2022-02-06T18:00:59","date_gmt":"2022-02-06T13:00:59","guid":{"rendered":"https:\/\/pni.net.pk\/en\/?p=36652"},"modified":"2022-02-06T14:18:01","modified_gmt":"2022-02-06T09:18:01","slug":"how-do-mrna-vaccines-work","status":"publish","type":"post","link":"https:\/\/pni.net.pk\/en\/latest-health-news\/how-do-mrna-vaccines-work\/","title":{"rendered":"How do mRNA vaccines work?"},"content":{"rendered":"

Islamabad-February 06 (online): Most vaccines contain an infectious pathogen or a part of it, but mRNA vaccines deliver the genetic instructions for our cells to make viral or bacterial proteins themselves. Our immune system responds to these and builds up immunity.<\/p>\n

Messenger RNA (mRNA) is a single-stranded molecule naturally present in all of our cells. It carries the instructions for making proteins from our genes, located in the cell nucleus, to the cytoplasm, the main body of our cells.<\/p>\n

Enzymes in the cytoplasm then translate the information stored in mRNA and make proteins.<\/p>\n

Some vaccines use a whole virus or bacterium to teach our bodies how to build up immunity to the pathogen. These pathogens are inactivated or attenuated, which means weakened. Other vaccines use parts of viruses or bacteria.<\/p>\n

Recombinant vaccine technology employs yeast or bacterial cells to made many copies of a particular viral or bacterial protein or sometimes a small part of the protein.<\/p>\n

mRNA vaccines bypass this step. They are chemically synthesized without the need for cells or pathogens, making the production process simpler. mRNA vaccines carry the information that allows our own cells to make the pathogen\u2019s proteins or protein fragments themselves.<\/p>\n

Importantly, mRNA vaccines only carry the information to make a small part of a pathogen. From this information, it is not possible for our cells to make the whole pathogen.<\/p>\n","protected":false},"excerpt":{"rendered":"

Islamabad-February 06 (online): Most vaccines contain an infectious pathogen or a part of it, but mRNA vaccines deliver the genetic instructions for our cells to make viral or bacterial proteins themselves. Our immune system responds to these and builds up immunity. Messenger RNA (mRNA) is […]<\/p>\n

\n","protected":false},"author":2,"featured_media":36654,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9821],"tags":[16662],"class_list":["post-36652","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-latest-health-news","tag-how-do-mrna-vaccines-work"],"yoast_head":"\nHow do mRNA vaccines work?<\/title>\n<meta name=\"description\" content=\"How do mRNA vaccines work?\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/pni.net.pk\/en\/latest-health-news\/how-do-mrna-vaccines-work\/\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"How do mRNA vaccines work?\" \/>\n<meta name=\"twitter:description\" content=\"How do mRNA vaccines work?\" \/>\n<meta name=\"twitter:image\" 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