日本のコロナ、去年の夏に変異、「重症化しにくい」のが唯一の特徴

1 : 2021/03/31(水) 22:17:15.74 ID:UMxrHNby0

慶応大学などの研究チームは、ウイルスの遺伝情報を調べる『ゲノム解析』を使って、日本国内でも去年夏に、新型コロナウイルスが独自に変異していたことを突き止めました。

研究チームが解析したところ、国内の新型コロナウイルスには、2種類あることが分かりました。1つは去年の春、武漢からヨーロッパを経て入ってきた『欧米型』。もう1つは、その欧米型が日本で変異した『国内変異型』です。

去年5月ごろに発生したと推定される、この「国内変異型」には重症化しにくいという特徴がありました。

慶応大学医学部・小崎健次郎教授:「もちろん年齢や性別などによって重症化に差がありますので、その部分を考慮に入れても、変異のある人の方が重症化しにくかった」

理由は、ウイルスが体内に入った後の動きが違うためだといいます。

ウイルスが体内で増殖するためには、ヒトの細胞内で、自らの遺伝子から作られるタンパク質を解き放つ必要があります。変異型は、この解き放つ役割をするメインプロテアーゼという酵素の働きが弱いことが分かりました。

慶応大学医学部・小崎健次郎教授:「メインプロテアーゼを弱めるような薬を使えば、患者さん(の症状)が少し軽くなるかもしれないということは推論できる。強い、弱いの情報以外に、薬を作ることにも重要な情報が得られるし、そういったことを日本中の研究者が早い段階で共有できていれば、色んなことが前に進みやすいだろうという気持ちは振り返ってみてある」

https://news.tv-asahi.co.jp/news_society/articles/000206858.html

2 : 2021/03/31(水) 22:17:25.27 ID:UMxrHNby0

ただの風邪
3 : 2021/03/31(水) 22:17:55.29 ID:gwYAfVfN0
政府が外来種を恐れる理由はこれだな
4 : 2021/03/31(水) 22:18:33.31 ID:G41FZseQ0
テレ朝
5 : 2021/03/31(水) 22:19:21.20 ID:Sdt1ChPV0
で、いまは海外の変異種が猛威を奮ってると
6 : 2021/03/31(水) 22:19:38.29 ID:1AjD+QVn0
つまり、日本人は弱毒でも死んでしまうとコロナが判断したってこと
日本人は弱すぎるんだな
8 : 2021/03/31(水) 22:20:36.87 ID:iJJndsNC0
四天王最弱で油断させて最強の外来種で全滅のパターンやなw
10 : 2021/03/31(水) 22:22:28.20 ID:NTyUJ5n00
>>8
それな
9 : 2021/03/31(水) 22:21:52.37 ID:+NoXdNmz0
じゃあただの風邪じゃん
11 : 2021/03/31(水) 22:23:20.28 ID:S1LyJTgB0
ブラジル産が襲来してからが本番
22 : 2021/03/31(水) 22:33:22.58 ID:gf9OOzYE0
>>11
オリンピックあるからな
世界の選手&スタッフのご当地変異コロナが一同に
23 : 2021/03/31(水) 22:34:05.63 ID:DVeV9m1H0
>>11
ブラジル産なんてそこまでじゃない
単純に今のワクチンの効きづらさはイギリス>ブラジル>アフリカの順
12 : 2021/03/31(水) 22:24:51.57 ID:N9+jgBuk0
騒ぎ出して1年以上経つというのに
いまだに「新型コロナってどこの世界の話だ?」って思ってる
15 : 2021/03/31(水) 22:26:26.75 ID:Fa2fjOaZ0
>>12
未だ近所の葬式の話聞く方が確率高いレベルだからな
17 : 2021/03/31(水) 22:27:17.16 ID:d+M/y2VT0
>>12
どうやったら感染するのか不思議だわ
ふだんのせいかつしゅうかんが汚いやつだけだろ
21 : 2021/03/31(水) 22:32:08.90 ID:VMaaXwa40
>>12
人と関ってないだけじゃね?
下請けさんから出たなんて話程度なら有るぞ
13 : 2021/03/31(水) 22:25:31.19 ID:S6fMaGPz0
今の大阪はおかしくね?
あれは夏の型じゃない
どう見てもイギリスかブラジルだろ
14 : 2021/03/31(水) 22:25:35.24 ID:VQRMkCn90
第3パの重症者は多かったんじゃないの
16 : 2021/03/31(水) 22:26:52.77 ID:AcFiFNMq0
重症化しにくいというよりは
医療リソースを消費させて負荷をかけるというところか
なかなかやりやがる
18 : 2021/03/31(水) 22:27:18.58 ID:SSRoXbal0
南アフリカ産だっけ?
若者がバタバタ死ぬ変異株は
19 : 2021/03/31(水) 22:30:21.23 ID:K8x8dywF0
これ半分安全なワクチンやろ…
ただやし
20 : 2021/03/31(水) 22:30:55.86 ID:XQUHuRy20
ウイルスは弱毒化して蔓延するって言ったやろがい
風邪患者カウントなんぞもはや何の意味もない、
24 : 2021/03/31(水) 22:34:44.59 ID:76RkcQKV0
風邪が重症化しやすいウィルスの重症化しにくい型
25 : 2021/03/31(水) 22:34:49.12 ID:DVeV9m1H0
逆だったわ
アフリカ>ブラジル>イギリス
26 : 2021/03/31(水) 22:40:38.29 ID:OqfcVo/Z0
有史以来の歴史的な大疫病は、流行2年目からが本番だよ
27 : 2021/03/31(水) 22:44:01.61 ID:U5NiVsHi0
自己主張出来ないウイルス性かよ
そんなんじゃグローバル社会で戦っていけないぞ
28 : 2021/03/31(水) 22:45:49.44 ID:xBNN2/8O0
コロナの特徴
29 : 2021/03/31(水) 22:48:32.65 ID:3DTAdzhs0
エンタメ関連の知り合いは何人か感染したけど全員公表してないな
30 : 2021/03/31(水) 22:49:03.61 ID:S38pStDa0
だとするならオリンピックで海外種持ち込むなや
31 : 2021/03/31(水) 22:49:08.29 ID:BEi7xm5a0
じゃあランク下げようぜ みんなストレスから解放された方がいいやろ

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