{"id":790,"date":"2012-09-14T11:04:54","date_gmt":"2012-09-14T02:04:54","guid":{"rendered":"https:\/\/www.taiyou-clinic.jp\/blog\/?p=790"},"modified":"2012-09-14T11:04:54","modified_gmt":"2012-09-14T02:04:54","slug":"%e8%81%b4%e8%a6%9a%e3%82%92%e5%8f%96%e3%82%8a%e6%88%bb%e3%81%99%e3%81%a8%e3%81%84%e3%81%86%e9%a9%9a%e3%81%8d%e3%80%81%e5%b9%b9%e7%b4%b0%e8%83%9e%e6%b2%bb%e7%99%82","status":"publish","type":"post","link":"https:\/\/www.taiyou-clinic.jp\/blog\/archives\/790","title":{"rendered":"\u8074\u899a\u3092\u53d6\u308a\u623b\u3059\u3068\u3044\u3046\u9a5a\u304d\u3001\u5e79\u7d30\u80de\u6cbb\u7642"},"content":{"rendered":"<p>\u8074\u899a\u3092\u53d6\u308a\u623b\u3059\u3068\u3044\u3046\u9a5a\u304d\u3001\u5e79\u7d30\u80de\u6cbb\u7642<br \/>\nBBC News\uff0d\u8074\u899a\u969c\u5bb3\u306e\u30b9\u30ca\u30cd\u30ba\u30df\u306f\u3001\u5e79\u7d30\u80de\u6cbb\u7652\u306e\u5f8c\u3001\u300e\u518d\u3073\u805e\u304f\u300f<br \/>\n13:00 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\/>\n\u300e\u3082\u306e\u3059\u3054\u304f\u3001encouraging'Prof\u30c7\u30a4\u30d6\u30fb\u30e0\u30fc\u30a2\uff08\u533b\u7642\u5be9\u8b70\u4f1a\u306e\u30ce\u30c3\u30c6\u30a3\u30f3\u30ac\u30e0\u306eHearing Research\u7814\u7a76\u6240\u306e\u8cac\u4efb\u8005\uff09\u306f\u3001\uff22\uff22\uff23\u3092\u8a00\u3063\u305f\uff1a\u300c\u5927\u304d\u3044\u77ac\u9593\u3067\u3042\u308b\u3001\u305d\u308c\u306f\u672c\u5f53\u306b\u5927\u304d\u306a\u767a\u73fe\u3067\u3042\u308b\u3002\u300d<br \/>\n\u3057\u304b\u3057\u306a\u304c\u3089\u3001\u5f7c\u306f\u4eba\u3005\u3067\u5999\u6280\u3092\u7e70\u308a\u8fd4\u3057\u3066\u3044\u308b\u554f\u984c\u70b9\u304c\u307e\u3060\u3042\u308b\u3068\u8b66\u544a\u3057\u305f\u3002<br \/>\n\u300c\u6700\u5927\u306e\u554f\u984c\u306f\u3001\u5b9f\u306f\u3001\u5f7c\u3089\u304c\u82e5\u5e72\u306e\u5229\u76ca\u3092\u3082\u305f\u3089\u3059\u5185\u8033\u306e\u90e8\u5206\u306b\u5165\u3063\u3066\u3044\u308b\u3002\u305d\u308c\u306f\u6975\u5ea6\u306b\u5c0f\u3055\u3044\u304a\u3088\u3073\u59cb\u3081\u308b\u306e\u304c\u975e\u5e38\u306b\u56f0\u96e3\u3067\u3042\u308b\u3001\u305d\u3057\u3066\u3001\u305d\u308c\u306f\u672c\u5f53\u306b\u81a8\u5927\u306a\u4e8b\u696d\u3067\u3042\u308b\u300d\u3068\u3001\u5f7c\u304c\u8a00\u3063\u305f\u3002<br \/>\n\u30e9\u30eb\u30d5\u30fb\u30db\u30fc\u30e0\u535a\u58eb\uff08Hearing Loss\u306e\u4e0a\u306e\u6148\u5584Action\u306e\u305f\u3081\u306e\u751f\u7269\u533b\u5b66\u7684\u7814\u7a76\u306e\u4e0a\u90e8\uff09\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u8ff0\u3079\u305f\uff1a\u300c\u7814\u7a76\u306f\u3082\u306e\u3059\u3054\u304f\u52b1\u307f\u306b\u306a\u3063\u3066\u3001\u6211\u3005\u306b\u5c06\u6765\u3042\u308b\u7a2e\u306e\u8074\u529b\u640d\u5931\u306e\u5b9f\u969b\u306e\u539f\u56e0\u3092\u4fee\u5fa9\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3042\u308b\u3068\u3044\u3046\u672c\u5f53\u306e\u671b\u307f\u3092\u4e0e\u3048\u308b\u3002<br \/>\n\u300c\u8074\u529b\u640d\u5931\u304c\u305d\u308c\u3089\u306e\u751f\u6d3b\u306e\u8cea\u3092\u4fb5\u98df\u3057\u3066\u3044\u308b\u4f55\u767e\u4e07\u4eba\u3082\u3001\u3053\u308c\u306f\u5341\u5206\u306b\u3059\u3050\u306b\u6765\u308b\u3053\u3068\u304c\u3067\u304d\u306a\u3044\u3002\u300d<br \/>\nHearing again. Amazing.<\/p>\n<p>BBC News \u2013 Deaf gerbils \u2018hear again\u2019 after stem cell cure<br \/>\n12 September 2012 Last updated at 13:00 ET <\/p>\n<p>Deaf gerbils \u2018hear again\u2019 after stem cell cure<br \/>\nBy James Gallagher Health and science reporter, BBC News<\/p>\n<p>UK researchers say they have taken a huge step forward in treating deafness after stem cells were used to restore hearing in animals for the first time.<br \/>\nHearing partially improved when nerves in the ear, which pass sounds into the brain, were rebuilt in gerbils - a UK study in the journal Nature reports.<br \/>\nGetting the same improvement in people would be a shift from being unable to hear traffic to hearing a conversation.<br \/>\nHowever, treating humans is still a distant prospect.<br \/>\nIf you want to listen to the radio or have a chat with a friend your ear has to convert sound waves in the air into electrical signals which the brain will understand.<br \/>\nThis happens deep inside the inner ear where vibrations move tiny hairs and this movement creates an electrical signal.<br \/>\nHowever, in about one in 10 people with profound hearing loss, nerve cells which should pick up the signal are damaged. It is like dropping the baton after the first leg of a relay race.<br \/>\nThe aim of researchers at the University of Sheffield was to replace those baton-dropping nerve cells, called spiral ganglion neurons, with new ones.<\/p>\n<p>Continue reading the main story<br \/>\nAnalysis: A hairy problem<br \/>\nWhile there is excitement at the prospect of using stem cells to restore nerves in the ear this exact technique will not help the vast, vast majority of people with hearing loss.<br \/>\nMost hearing problems are caused by damage to the tiny delicate hairs which convert mechanical vibrations into electricity.<br \/>\nThis research group have also converted embryonic stem cells into the early versions of the hair cells.<br \/>\nHowever, injecting them into the ear to restore hearing will be no easy task.<br \/>\nThe hairs cells all need to be in the exact place and pointing in exactly the right direction.<br \/>\nProf Dave Moore said using stem cells to repair the hairs was \u201calmost an impossible task\u201d and that the far-fetched concept of growing and transplanting a replacement ear seemed more likely.<br \/>\nThey used stem cells from a human embryo, which are capable of becoming any other type of cell in the human body from nerve to skin, muscle to kidney.<br \/>\nA chemical soup was added to the stem cells that converted them into cells similar to the spiral ganglion neurons. These were then delicately injected into the inner ears of 18 deaf gerbils.<br \/>\nOver 10 weeks the gerbils\u2019 hearing improved. On average 45% of their hearing range was restored by the end of the study.<br \/>\nDr Marcelo Rivolta said: \u201cIt would mean going from being so deaf that you wouldn\u2019t be able to hear a lorry or truck in the street to the point where you would be able to hear a conversation.<br \/>\n\u201cIt is not a complete cure, they will not be able to hear a whisper, but they would certainly be able to maintain a conversation in a room.\u201d<br \/>\nAbout a third of the gerbils responded really well to treatment with some regaining up to 90% of their hearing, while just under a third barely responded at all.<br \/>\nGerbils were used as they are able to hear a similar range of sounds to people, unlike mice which hear higher-pitched sounds.<br \/>\nThe researchers detected the improvement in hearing by measuring brainwaves. The gerbils were also tested for only 10 weeks. If this became a treatment in humans then the effect would need to be shown over a much longer term.<br \/>\nThere are also questions around the safety and ethics of stem cell treatments which would need to be addressed.<br \/>\n\u2018Tremendously encouraging\u2019Prof Dave Moore, the director of the Medical Research Council\u2019s Institute of Hearing Research in Nottingham, told the BBC: \u201cIt is a big moment, it really is a major development.\u201d<br \/>\nHowever, he cautioned that there will still be difficulties repeating the feat in people.<br \/>\n\u201cThe biggest issue is actually getting into the part of the inner ear where they\u2019ll do some good. It\u2019s extremely tiny and very difficult to get to and that will be a really formidable undertaking,\u201d he said.<br \/>\nDr Ralph Holme, head of biomedical research for the charity Action on Hearing Loss, said: \u201cThe research is tremendously encouraging and gives us real hope that it will be possible to fix the actual cause of some types of hearing loss in the future.<br \/>\n\u201cFor the millions of people for whom hearing loss is eroding their quality of life, this can\u2019t come soon enough.\u201d<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8074\u899a\u3092\u53d6\u308a\u623b\u3059\u3068\u3044\u3046\u9a5a\u304d\u3001\u5e79\u7d30\u80de\u6cbb\u7642 BBC News\uff0d\u8074\u899a\u969c\u5bb3\u306e\u30b9\u30ca\u30cd\u30ba\u30df\u306f\u3001\u5e79\u7d30\u80de\u6cbb\u7652\u306e\u5f8c\u3001\u300e\u518d\u3073\u805e\u304f\u300f 13:00 ET\u306b\u66f4\u65b0\u3055\u308c\u308b2012\u5e749\u670812\u65e5Last \u8074\u899a\u969c\u5bb3\u306e\u30b9\u30ca\u30cd\u30ba\u30df\u306f\u3001\u5e79\u7d30\u80de\u6cbb\u7642\u306e\u5f8c\u300e\u518d\u3073\u805e\u304f\u300f\u3053 [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[4],"tags":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.taiyou-clinic.jp\/blog\/wp-json\/wp\/v2\/posts\/790"}],"collection":[{"href":"https:\/\/www.taiyou-clinic.jp\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.taiyou-clinic.jp\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.taiyou-clinic.jp\/blog\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.taiyou-clinic.jp\/blog\/wp-json\/wp\/v2\/comments?post=790"}],"version-history":[{"count":0,"href":"https:\/\/www.taiyou-clinic.jp\/blog\/wp-json\/wp\/v2\/posts\/790\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.taiyou-clinic.jp\/blog\/wp-json\/wp\/v2\/media?parent=790"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.taiyou-clinic.jp\/blog\/wp-json\/wp\/v2\/categories?post=790"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.taiyou-clinic.jp\/blog\/wp-json\/wp\/v2\/tags?post=790"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}