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๋™๊ตญ๋Œ€ ํ™”ํ•™๊ณผ ๊น€์ข…ํ•„ ๊ต์ˆ˜ํŒ€, ๋‹จ์ผ์„ธํฌ ์ „์‚ฌ์ฒด ํ”„๋กœํŒŒ์ผ๋ง ๋ถ„์„์„ ํ†ตํ•œ ์•Œ์ธ ํ•˜์ด๋จธ ์น˜๋งค์— ๋Œ€ํ•œ ์ƒˆ๋กœ์šด ์„ธํฌ ์น˜๋ฃŒ๊ธฐ์ˆ  ๊ฐœ๋ฐœ

๋“ฑ๋ก์ผ 2023.02.15. ์กฐํšŒ 2784

 

๋™๊ตญ๋Œ€ ํ™”ํ•™๊ณผ ๊น€์ข…ํ•„ ๊ต์ˆ˜

 

 

์•Œ์ธ ํ•˜์ด๋จธ์˜ ์น˜๋ฃŒ์— ํ™œ์šฉ๋ ์ˆ˜ ์žˆ๋Š” ํ•ต์‹ฌ์  ์ค„๊ธฐ์„ธํฌ๊ตฐ ๋ฐํ˜€... 
ํ™˜์ž ๋งž์ถคํ˜• ์„ธํฌ ์น˜๋ฃŒ ๋ฐฉ์•ˆ ์ œ์‹œ
์„ธ๊ณ„ ์ตœ๊ณ ์˜ ํ•™์ˆ  ์ €๋„ Nature ์ž๋งค์ง€ Nature communication ์˜จ๋ผ์ธ ํŒ ๊ฒŒ์žฌ

 

 

โ—‹ ๋™๊ตญ๋Œถฤว๊™๊ต ๊น€์ข…ํ•„ ๊ต์ˆ˜ ์—ฐ๊ตฌํŒ€์€ ๋‹จ์ผ์„ธํฌ ๋ ˆ๋ฒจ์˜ ์ „์‚ฌ์ฒด ํ”„๋กœํŒŒ์ผ๋ง ๋ถ„์„์„ ํ†ตํ•˜์—ฌ ์น˜๋งค ํ™˜์ž ๋ฐ ๋ชจ๋ธ ๋งˆ์šฐ์Šค ๋‡Œ์— ์กด์žฌํ•˜๋Š” ์น˜๋งค์— ์ƒˆ๋กœ์šด ์›์ธ์ด ๋˜๋Š” ํฌ์†Œ๋Œ๊ธฐ์•„๊ต์„ธํฌ(Oligodendrocyte)๋ฅผ ๋ฐœ๊ฒฌํ•˜์˜€๊ณ , ์ด๋ฅผ ํŠน์ด์ ์œผ๋กœ ์ œ์–ดํ•˜์—ฌ ์น˜๋ฃŒํ•  ์ˆ˜ ์žˆ๋Š” ์ƒˆ๋กœ์šด ์„ธํฌ ์น˜๋ฃŒ์˜ ๊ฐ€๋Šฅ์„ฑ์„ ์ œ์‹œํ•˜์—ฌ Nature communication (IF:17.6)์ง€ 2์›” ํ˜ธ์— ๋ฐœํ‘œํ•˜์˜€๋‹ค .
  * ํฌ์†Œ๋Œ๊ธฐ์•„๊ต์„ธํฌ : ์ฒ™์ถ”๋™๋ฌผ์˜ ์ค‘์ถ”์‹ ๊ฒฝ๊ณ„์—์„œ ๋‰ด๋Ÿฐ์„ ์ง€์ง€ํ•˜๋Š” ์—ญํ• ์„ ํ•˜๋Š” ์„ธํฌ.

 

โ—‹ ์ด๋ฒˆ ์—ฐ๊ตฌ์—์„œ ๋‹จ์ผ์„ธํฌ ์ „์‚ฌ์ฒด ํ”„๋กœํŒŒ์ผ๋ง ๋ถ„์„์ด๋ผ๋Š” ์ตœ์‹  ์‹œ์Šคํ…œ ์ƒํ™”ํ•™ ๊ธฐ์ˆ ์„ ํ™œ์šฉํ•˜์—ฌ, ์น˜๋งค ์งˆํ™˜ ํŠน์ด์ ์ธ ํฌ์†Œ๋Œ๊ธฐ์•„๊ต์„ธํฌ์™€ ํฌ์†Œ๋Œ๊ธฐ์•„๊ต์„ธํฌ ์ „๊ตฌ์ค„๊ธฐ์„ธํฌ(Oligodendrocyte progenitor cells)๋ฅผ ๋ฐœ๊ฒฌํ•˜์˜€์œผ๋ฉฐ, ์ด๋ฅผ ์น˜๋งค์งˆํ™˜ ํŠน์ด ํฌ์†Œ๋Œ๊ธฐ์•„๊ต์„ธํฌ (DAO, Disease associated oligodendrocyte)๋ผ ๋ช…๋ช…ํ•จ.
  * ๋‹จ์ผ์„ธํฌ ์ „์‚ฌ์ฒด ํ”„๋กœํŒŒ์ผ๋ง ๋ถ„์„ : “1๊ฐœ”์˜ ์„ธํฌ๋ฅผ ๋ถ„๋ฆฌํ•˜์—ฌ, ํ•ด๋‹น ์„ธํฌ์˜ ์œ ์ „์ฒด์  ํŠน์ง•์„ ๋ถ„์„ํ•˜๋Š” ์ตœ์‹ ์˜ ์ƒ๋ฌผ์ •๋ณดํ•™ ๊ธฐ์ˆ 

 

โ—‹ ํŠนํžˆ ๋‹จ์ผ์„ธํฌ ์ „์‚ฌ์ฒด ํ”„๋กœํŒŒ์ผ๋ง ๋ถ„์„์˜ ๋‹จ์ผ์„ธํฌ ๋ฐ์ดํ„ฐ๋ฅผ ์—ฐ๊ฒฐ๊ตฌ์กฐ(Pseudotime analysis)๋ผ๋Š” ๋ถ„์„์„ ํ†ตํ•˜์—ฌ ์น˜๋งค ์ง„ํ–‰๊ณผ์ • ํŠน์ด์ ์œผ๋กœ ํฌ์†Œ๋Œ๊ธฐ์•„๊ต์„ธํฌ ์ „๊ตฌ์ค„๊ธฐ์„ธํฌ(Oligodendrocyte progenitor cell)๋ถ€ํ„ฐ ์„ฑ์ฒด ํฌ์†Œ๋Œ๊ธฐ์•„๊ต์„ธํฌ๊นŒ์ง€์˜ ๋ณ€ํ˜•๋œ ๋ถ„ํ™” ๊ฒฝ๋กœ๋ฅผ(developmental lineage)๋ฅผ ๊ทœ๋ช…ว๊˜์˜€๋‹ค.

 

โ—‹ ๋˜ํ•œ ์ด๋•Œ ๋น„์ •์ƒ์ ์œผ๋กœ ์ฆ๊ฐ€ํ•˜๋Š” Erk๋ผ๋Š” ์‹ ํ˜ธ์ „๋‹ฌ๊ฒฝ๋กœ๋ฅผ ๋ฐํ˜€๋‚ด์—ˆ์œผ๋ฉฐ, ์ด๋ฅผ ํƒ€๊นƒ์œผ๋กœํ•˜์—ฌ ์กฐ์ ˆํ•  ์ˆ˜ ์žˆ๋Š” ์•ฝ๋ฌผ์„ ํˆฌ์—ฌํ•œ ๊ฒฐ๊ณผ ์น˜๋งค ๋งˆ์šฐ์Šค์˜ ํ–‰๋™์‹คํ—˜์—์„œ ์ „๋ฐ˜์ ์ธ ์ธ์ง€์  ๋Šฅ๋ ฅ์˜ ์น˜๋ฃŒ ํšจ๊ณผ๋ฅผ ํ™•์ธว๊˜์˜€๋‹ค.

 

โ—‹ ํŠนํžˆ ๊น€์ข…ํ•„ ๊ต์ˆ˜๋Š” ์‹ค์ œ ์น˜๋งค ํ™˜์ž์˜ ํ”ผ์งˆ ํฌ์†Œ๋Œ๊ธฐ์•„๊ต์„ธํฌ ๋ฐ์ดํ„ฐ์™€์˜ ์ƒ๊ด€๊ด€๊ณ„ ๋ถ„์„์„ ํ†ตํ•ด, ๋ชจ๋ธ ๋งˆ์šฐ์Šค๋ฟ๋งŒ ์•„๋‹ˆ๋ผ ์•Œ์ธ ํ•˜์ด๋จธ ์น˜๋งค ํ™˜์ž์˜ ๋‡Œ์—์„œ๋„ ์ด์™€ ์œ ์‚ฌํ•œ ์„ธํฌ๊ตฐ์˜ ์—ญํ• ์„ ๊ทœ๋ช…ว๊˜์˜€๋‹ค.
  

โ—‹ ์—ฐ๊ตฌ๋ฅผ ๋‹ด๋‹นํ•œ ๊น€์ข…ํ•„ ๊ต์ˆ˜๋Š” “์ด๋ฒˆ ์—ฐ๊ตฌ๋Š” ์•Œ์ธ ํ•˜์ด๋จธ์„ฑ ์น˜๋งค์— ๋Œ€ํ•œ ํฌ์†Œ๋Œ๊ธฐ์•„๊ต์„ธํฌ๋ฅผ ํ†ตํ•œ ๊ฐ•๋ ฅํ•œ ์น˜๋ฃŒ ํšจ๊ณผ๋ฅผ ํ™•์ธํ–ˆ์„ ๋ฟ ์•„๋‹ˆ๋ผ, ํ‡ดํ–‰์„ฑ ๋‡Œ์งˆํ™˜์— ๋ฐœ๋ณ‘์— ์žˆ์–ด์„œ ํฌ์†Œ๋Œ๊ธฐ์•„๊ต์„ธํฌ ๋ฐ ํฌ์†Œ๋Œ๊ธฐ์•„๊ต์„ธํฌ ์ „๊ตฌ์ค„๊ธฐ์„ธํฌ์˜ ์—ญํ• ๊ณผ ์ž ์žฌ๋ ฅ์„ ์ƒˆ๋กญ๊ฒŒ ์ œ์‹œํ•œ๋‹ค๋Š” ๋ฐ ์˜์˜”๊ฐ€ ์žˆ๋‹ค. ๋˜ํ•œ ๊ทผ๋ณธ์ ์ธ ์น˜๋ฃŒ์ œ๊ฐ€ ์—†๋Š” ์น˜๋งค์งˆํ™˜์— ํ™œ์šฉํ•  ์ˆ˜ ์žˆ๋Š” ์ƒˆ๋กœ์šด ์ค„๊ธฐ์„ธํฌ์น˜๋ฃŒ์ˆ˜๋‹จ์„ ํ™•๋ณดํ•˜์—ฌ ์‹ค์šฉํ™” ํ•  ์ˆ˜ ์žˆ๋Š” ๊ณ„๊ธฐ๊ฐ€ ๋งˆ๋ จ๋œ ๊ฒƒ์— ํฐ ์˜๋ฏธ๊ฐ€ ์žˆ์„ ๊ฒƒ”๋ผ๊ณ  ์„ค๋ช…ํ–ˆ๋‹ค.

 

โ—‹ ์ด๋ฒˆ ์—ฐ๊ตฌ๋Š” ๋Œถฤว๊™์ค‘์ ์—ฐ๊ตฌ์†Œ์‚ฌ์—…, ๋ฒ”๋ถ€์ฒ˜์žฌ์ƒ์˜๋ฃŒ๊ธฐ์ˆ ๊ฐœ๋ฐœ์‚ฌ์—…๋‹จ ๋ฐ ์‚ผ์„ฑ๋ฏธ๋ž˜๊ธฐ์ˆ ์œก์„ฑ์‚ฌ์—…์—์„œ ์ง€์›๋ฐ›์•„ ์ˆ˜ํ–‰๋˜์—ˆ๋‹ค.

 

โ—‹ ํ•œํŽธ, ์ด๋ฒˆ ์—ฐ๊ตฌ ๊ฒฐ๊ณผ๋Š” ์„ธ๊ณ„ ์ตœ๊ณ ์˜ ํ•™์ˆ  ์ €๋„ Nature ์ž๋งค์ง€ Nature communication ์˜จ๋ผ์ธ ํŒ(IF=17.9)์— ๊ฒŒ์žฌ๋˜์—ˆ๋‹ค.

 

* ๋…ผ๋ฌธ๋ช…
Single-cell RNA-sequencing identifies disease-associated oligodendrocytes in male APP NL-G-F and 5XFAD mice

 

Single-cell RNA-sequencing identifies disease-associated oligodendrocytes in male APP NL-G-F and 5XFAD mice ์„ค๋ช… ์ด๋ฏธ์ง€

 

* ๋ณธ ์ž๋ฃŒ์™€ ๊ด€๋ จ๋œ ๋ฌธ์˜๋Š” ๋™๊ตญ๋Œถฤว๊™๊ต ํ™”ํ•™๊ณผ ๊น€์ข…ํ•„ ๊ต์ˆ˜ (02-2260-3321, jk2316@gmail.com)์—๊ฒŒ ํ•ด์ฃผ์‹œ๊ธฐ ๋ฐ”๋ž๋‹ˆ๋‹ค.