In Search of Adrenocortical Stem and Progenitor Cells

被引:92
作者
Kim, Alex C. [1 ]
Barlaskar, Ferdous M. [1 ]
Heaton, Joanne H. [1 ]
Else, Tobias [1 ]
Kelly, Victoria R. [1 ]
Krill, Kenneth T. [1 ]
Scheys, Joshua O. [1 ]
Simon, Derek P. [1 ]
Trovato, Alessia [1 ]
Yang, Wei-Hsiung [2 ]
Hammer, Gary D. [1 ]
机构
[1] Univ Michigan, Dept Internal Med, Div Endocrinol Diabet & Metab, Ann Arbor, MI 48109 USA
[2] Mercer Univ, Sch Med, Savannah, GA 31404 USA
关键词
STEROIDOGENIC FACTOR-I; RAT ADRENAL-CORTEX; ORPHAN NUCLEAR RECEPTOR; GROWTH-FACTOR-II; BECKWITH-WIEDEMANN-SYNDROME; HELIX-LOOP-HELIX; PALLISTER-HALL SYNDROME; INHIBIN-DEFICIENT MICE; TUMOR-SUPPRESSOR GENE; LET-7 MICRORNA FAMILY;
D O I
10.1210/er.2008-0039
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
Scientists have long hypothesized the existence of tissue-specific (somatic) stem cells and have searched for their location in different organs. The theory that adrenocortical organ homeostasis is maintained by undifferentiated stem or progenitor cells can be traced back nearly a century. Similar to other organ systems, it is widely believed that these rare cells of the adrenal cortex remain relatively undifferentiated and quiescent until needed to replenish the organ, at which time they undergo proliferation and terminal differentiation. Historical studies examining cell cycle activation by label retention assays and regenerative potential by organ transplantation experiments suggested that the adrenocortical progenitors reside in the outer periphery of the adrenal gland. Over the past decade, the Hammer laboratory, building on this hypothesis and these observations, has endeavored to understand the mechanisms of adrenocortical development and organ maintenance. In this review, we summarize the current knowledge of adrenal organogenesis. We present evidence for the existence and location of adrenocortical stem/progenitor cells and their potential contribution to adrenocortical carcinomas. Data described herein come primarily from studies conducted in the Hammer laboratory with incorporation of important related studies from other investigators. Together, the work provides a framework for the emerging somatic stem cell field as it relates to the adrenal gland. (Endocrine Reviews 30: 241-263, 2009)
引用
收藏
页码:241 / 263
页数:23
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