Which of the following molecules plays a crucial role in the adhesion of hematopoietic stem cells to the bone marrow stroma?

A CXCL12
B SCF
C VCAM-1
D CD34
VCAM-1 (Vascular Cell Adhesion Molecule-1) is an adhesion molecule expressed on the surface of bone marrow stromal cells that interacts with VLA-4 on hematopoietic stem cells, mediating their adhesion to the stroma.
Lopez et al. Blood Cells, Molecules, and Diseases
Hematology Hematology: Hematopoiesis Hematology: Hematopoiesis Hard MEDICAL Confidence: medium