The HSC niche concept has turned 31: Has our knowledgematured?

Stefania Lymperi, Francesca Ferraro, David T. Scadden

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

82 Scopus citations


The hematopoietic stem cell (HSC) niche is currently defined as the specific microenvironment in the bone marrow (BM) which anatomically harbors HSCs and governs their fate. It plays a pivotal role in regulating the survival and self-renewal ability of HSCs, protecting them from exhaustion while preventing their excessive proliferation. Many different stromal cell types have been proposed as putative constituents of the niche, but their integrated function is still unrevealed. Mechanisms by which stem/progenitor cell behavior is regulated in the niche include cell-to-cell interaction and the production of growth factors, cytokines, and extracellular matrix proteins. The HSC niche is a dynamic entity reflecting and responding to the needs of the organism. An understanding of how the niche participates in the maintenance of tissue homeostasis and repair offers new opportunities for the development of novel therapeutic tools.

Original languageEnglish
Title of host publicationSkeletal Biology and Medicine
PublisherBlackwell Publishing Inc.
Number of pages7
ISBN (Print)9781573317856
StatePublished - Mar 2010

Publication series

NameAnnals of the New York Academy of Sciences
ISSN (Print)0077-8923
ISSN (Electronic)1749-6632


  • HSC niche
  • Microenvironment
  • Osteoblastic cells
  • Perivascular cells
  • Regeneration
  • Stem cells


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