GATA-3: an unexpected regulator of cell lineage determination in skin.
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GATA-3: 피부 세포 계통 결정의 예상치 못한 조절자.
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TL;DR
Findings place GATA-3 with Lef-1/Wnts at the crossroads of the IRS versus hair shaft cell fate decision in hair follicle morphogenesis, and strengthens the parallels between the differentiation programs governinghair follicle and lymphocyte differentiation.
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· 인용됨 25 · 인용함 60
→ 이 논문이 인용한 논문 (2) ▾
- Morphogenesis and renewal of hair follicles from adult multipotent stem cells. Cell · 2001
- Dermal-epidermal interactions. Clinics in dermatology · 1988
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연도별 인용 (2012–2026) · 합계 198
OpenAlex 토픽 ·
Hair Growth and Disorders
Cancer and Skin Lesions
Wnt/β-catenin signaling in development and cancer
🇰🇷 한글 요약 🌐 Abstract
【연구 목적】
모낭(hair follicle) 형태형성 과정에서 모간(hair shaft) 분화를 조절하는 Lef-1/Tcf-Wnt 경로는 알려져 있으나, 모발을 감싸고 방향을 잡아주는 내모근초(inner root sheath, IRS) 형성 기전은 불분명했다. 본 연구는 모낭 형성을 조절하는 전사인자를 찾던 중 T세포 계열 결정인자로 알려진 GATA-3의 피부 내 새로운 역할을 규명하고자 했다.
【방법】
마이크로어레이(microarray) 스크리닝으로 모낭 형성 관련 전사조절인자를 탐색하여 GATA-3를 발굴했다. GATA-3 결손(null/lacZ knock-in) 마우스 배아를 이용해 발현 양상과 표현형을 관찰했고, 배아가 사망하는 시점(E18.5) 이후의 추가 결함은 피부 이식(skin grafting) 모델로 평가했다.
【주요 결과】
GATA-3는 표피 중층화(stratification)와 IRS 분화가 시작되는 시점에 발현되며, 결손 시 IRS가 형성되지 않았다. IRS 전구세포는 분화에 실패한 반면 피질(cortex) 전구세포는 분화했으나 비정상 모발 구조를 만들었고, 일부 세포는 IRS와 모간 표지자를 동시에 발현했다 — 즉 GATA-3가 Lef-1/Wnt와 함께 'IRS냐 모간이냐'의 세포 운명 결정 분기점에 위치함을 시사한다.
【임상적 시사점 (성형외과 의사 관점)】
GATA-3는 모낭의 모간/내모근초 운명을 가르는 핵심 스위치로, 모발 이식·탈모 치료 및 모낭 재생(hair follicle regeneration) 연구에서 정상 모발 구조 형성을 좌우하는 표적이 될 수 있다. 또한 피부 줄기세포의 계열 결정 기전 이해는 향후 조직공학적 피부 재건 및 모발 재생 시술의 분자적 기반을 넓혀준다. (단, 본 연구는 마우스 배아 발생 모델로, 임상 적용은 직접적이지 않은 기초연구임을 유의)
Multipotent skin stem cells give rise to epidermis and its appendages, including the hair follicle. The Lef-1/Tcf family of Wnt-regulated transcription factors plays a major role in specification of the hair shaft, but little is known about how the equally important hair channel, the inner root sheath (IRS), develops in concert to shape and guide the hair. In a microarray screen to search for transcriptional regulators of hair follicle morphogenesis, we identified GATA-3, a key regulator of T-cell lineage determination. Surprisingly, this transcription factor is essential for stem cell lineage determination in skin, where it is expressed at the onset of epidermal stratification and IRS specification in follicles. GATA-3-null/lacZ knock-in embryos can survive up to embryonic day 18.5 (E18.5), when they fail to form the IRS. Skin grafting unveiled additional defects in GATA-3-null hairs and follicles. IRS progenitors failed to differentiate, whereas cortical progenitors differentiated, but produced an aberrant hair structure. Curiously, some GATA-3-null progenitor cells expressed mixed IRS and hair shaft markers. Taken together, these findings place GATA-3 with Lef-1/Wnts at the crossroads of the IRS versus hair shaft cell fate decision in hair follicle morphogenesis. This newfound function for GATA-3 in skin development strengthens the parallels between the differentiation programs governing hair follicle and lymphocyte differentiation.
【연구 목적】 모낭(hair follicle) 형태형성 과정에서 모간(hair shaft) 분화를 조절하는 Lef-1/Tcf-Wnt 경로는 알려져 있으나, 모발을 감싸고 방향을 잡아주는 내모근초(inner root sheath, IRS) 형성 기전은 불분명했다.
APA 7
Kaufman, C. K., Zhou, P., Pasolli, H. A., Rendl, M., Bolotin, D., Lim, K. C., Dai, X., Alegre, M. L., & Fuchs, E. (2003). Gata-3: An unexpected regulator of cell lineage determination in skin.. Genes & development, 17(17), 2108-22. https://doi.org/10.1101/gad.1115203
Vancouver
Kaufman CK, Zhou P, Pasolli HA, Rendl M, Bolotin D, Lim KC, et al. GATA-3: an unexpected regulator of cell lineage determination in skin. Genes & development. 2003;17(17):2108-22. doi:10.1101/gad.1115203
AMA 11
Kaufman CK, Zhou P, Pasolli HA, Rendl M, Bolotin D, Lim KC, et al. GATA-3: an unexpected regulator of cell lineage determination in skin. Genes & development. 2003;17(17):2108-22. doi:10.1101/gad.1115203
Chicago
Kaufman, C. K., Zhou, P., Pasolli, H. A., Rendl, M., Bolotin, D., Lim, K. C., Dai, X., Alegre, M. L., and Fuchs, E.. 2003. "GATA-3: an unexpected regulator of cell lineage determination in skin." Genes & development 17 (17): 2108-22. https://doi.org/10.1101/gad.1115203
MLA 9
Kaufman, C. K., et al. "GATA-3: an unexpected regulator of cell lineage determination in skin." Genes & development, vol. 17, no. 17, 2003, pp. 2108-22. doi:10.1101/gad.1115203.
PMID
12923059 ↗
🏷️ 키워드 / MeSH 📖 같은 키워드 OA만
인용 관계
그래프 OA 노드: 9/10 (90%)
· 참조 1편 · 후속 8편
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