{"id":54972,"date":"2025-07-15T15:47:36","date_gmt":"2025-07-15T10:17:36","guid":{"rendered":"https:\/\/vajiramandravi.com\/current-affairs\/?p=54972"},"modified":"2025-07-15T16:19:07","modified_gmt":"2025-07-15T10:49:07","slug":"cysteine","status":"publish","type":"post","link":"https:\/\/vajiramandravi.com\/current-affairs\/cysteine\/","title":{"rendered":"Cysteine"},"content":{"rendered":"<h2><b>Cysteine Latest News<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">The researchers recently found that removing just one amino acid, cysteine, from the diet of mice led to a dramatic and rapid loss of 30% of the body weight in a week. <\/span><\/p>\n<h2><b>About Cysteine<\/b><\/h2>\n<ul>\n<li style=\"font-weight: 400; text-align: justify;\" aria-level=\"1\"><span style=\"font-weight: 400;\">It is a <\/span><b>sulfur containing amino acid<\/b><span style=\"font-weight: 400;\"> with diverse roles in protein function and oxidative metabolism.<\/span><\/li>\n<li style=\"font-weight: 400; text-align: justify;\" aria-level=\"1\"><span style=\"font-weight: 400;\">It is a <\/span><b>non-essential amino acid.<\/b><\/li>\n<li style=\"font-weight: 400; text-align: justify;\" aria-level=\"1\"><span style=\"font-weight: 400;\">It is <\/span><b>one of the least abundant<\/b><span style=\"font-weight: 400;\"> amino acids, yet it is <\/span><b>frequently found <\/b><span style=\"font-weight: 400;\">as a highly conserved residue <\/span><b>within functional<\/b><span style=\"font-weight: 400;\"> (regulatory, catalytic, or binding) <\/span><b>sites in proteins.<\/b><\/li>\n<li style=\"font-weight: 400; text-align: justify;\" aria-level=\"1\"><span style=\"font-weight: 400;\">It is <\/span><b>abundant in beta-keratin<\/b><span style=\"font-weight: 400;\">, a key <\/span><b>structural protein in nails, skin, and hair.<\/b><\/li>\n<li style=\"font-weight: 400; text-align: justify;\" aria-level=\"1\"><b>Importance<\/b><span style=\"font-weight: 400;\">:<\/span>\n<ul>\n<li style=\"font-weight: 400; text-align: justify;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Cysteine is important for <\/span><b>making collagen<\/b><span style=\"font-weight: 400;\">. It<\/span><b> affects skin elasticity and texture.\u00a0<\/b><\/li>\n<li style=\"font-weight: 400; text-align: justify;\" aria-level=\"1\"><span style=\"font-weight: 400;\">It <\/span><b>helps make antioxidants like glutathion<\/b><span style=\"font-weight: 400;\">e, which protect our cells from harm.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400; text-align: justify;\" aria-level=\"1\"><span style=\"font-weight: 400;\">It also plays a <\/span><b>role in creating taurine<\/b><span style=\"font-weight: 400;\">, a substance that helps with things like <\/span><b>digestion and keeping our heart healthy.\u00a0<\/b><\/li>\n<li style=\"font-weight: 400; text-align: justify;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Cysteine is <\/span><b>also involved <\/b><span style=\"font-weight: 400;\">in helping our body <\/span><b>get rid of harmful substances through<\/b><span style=\"font-weight: 400;\"> a process called <\/span><b>detoxification<\/b><span style=\"font-weight: 400;\">.<\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"font-weight: 400; text-align: justify;\" aria-level=\"1\"><b>Low cysteine levels<\/b><span style=\"font-weight: 400;\"> might mean that your <\/span><b>body isn&#8217;t making enough<\/b><span style=\"font-weight: 400;\"> of this semi-essential amino acid, or you&#8217;re not getting enough from foods like meat, dairy, and eggs.<\/span><\/li>\n<li style=\"font-weight: 400; text-align: justify;\" aria-level=\"1\"><b>Symptoms <\/b><span style=\"font-weight: 400;\">of low levels of Cysteine may include <\/span><b>fatigue, weakness, slow growth<\/b><span style=\"font-weight: 400;\"> in children, and a <\/span><b>weakened immune system.<\/b><\/li>\n<\/ul>\n<h2><b>What are Amino Acids?<\/b><\/h2>\n<ul>\n<li style=\"text-align: justify;\"><span style=\"font-weight: 400;\">An amino acid is the <\/span><b>fundamental molecule<\/b><span style=\"font-weight: 400;\"> that serves as the <\/span><b>building block for proteins.<\/b><\/li>\n<li style=\"text-align: justify;\"><span style=\"font-weight: 400;\">There are <\/span><b>20 different amino acids.<\/b><\/li>\n<li style=\"text-align: justify;\"><b>A protein <\/b><span style=\"font-weight: 400;\">consists of <\/span><b>one or more chains of amino acids <\/b><span style=\"font-weight: 400;\">(called <\/span><b>polypeptides<\/b><span style=\"font-weight: 400;\">) whose <\/span><b>sequence is encoded in a gene.<\/b><\/li>\n<li style=\"text-align: justify;\"><b>Essential amino acids:<\/b>\n<ul>\n<li style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Essential amino acids <\/span><b>cannot be made by the body<\/b><span style=\"font-weight: 400;\">. As a result, they <\/span><b>must come from food.<\/b><\/li>\n<li style=\"text-align: justify;\"><span style=\"font-weight: 400;\">The <\/span><b>9 essential <\/b><span style=\"font-weight: 400;\">amino acids are histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, and valine.<\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"text-align: justify;\"><b>Non-Essential amino acids:<\/b>\n<ul>\n<li style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Nonessential means that our <\/span><b>bodies can produce<\/b><span style=\"font-weight: 400;\"> the amino acid, even if we do not get it from the food we eat.\u00a0<\/span><\/li>\n<li style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Nonessential amino acids include alanine, arginine, asparagine, aspartic acid, cysteine, glutamic acid, glutamine, glycine, proline, serine, and tyrosine.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><b>Source<\/b><span style=\"font-weight: 400;\">: <\/span><a href=\"https:\/\/epaper.thehindu.com\/ccidist-ws\/th\/th_delhi\/issues\/139791\/OPS\/G3KEKOUES.1+GIMEKQUP3.1.html\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"font-weight: 400;\">TH<\/span><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Cysteine is a sulfur-containing amino acid vital for protein structure, enzyme activity, antioxidant defense, and cellular redox balance in oxidative metabolism. Read more about Cysteine, Structure, Treatment, Importance, Latest News<\/p>\n","protected":false},"author":23,"featured_media":54999,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[1556,21,22,23],"class_list":{"0":"post-54972","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-upsc-prelims-current-affairs","8":"tag-cysteine","9":"tag-prelims-pointers","10":"tag-upsc-current-affairs","11":"tag-upsc-prelims-current-affairs","12":"no-featured-image-padding"},"acf":[],"_links":{"self":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/54972","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/users\/23"}],"replies":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/comments?post=54972"}],"version-history":[{"count":0,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/54972\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media\/54999"}],"wp:attachment":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media?parent=54972"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/categories?post=54972"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/tags?post=54972"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}