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Leukocyte adhesion deficiency 3

Leukocyte adhesion deficiency-3 (LAD3), also known as LAD1 variant (LAD1V), is an autosomal recessive disorder characterized by LAD1 (116920)-like immune deficiency and Glanzmann thrombasthenia (GT; 273800)-like bleeding problems. LAD3 results from mutations in FERMT3, or KINDLIN3, which encodes an intracellular protein that interacts with beta-integrins in hematopoietic cells. In LAD3, the adhesive functions of integrins on both leukocytes and platelets are disrupted, most likely due to defects in activation-dependent alterations of surface integrins that enable high-avidity binding to ligands on target cells, a process termed 'inside-out signaling' (Svensson et al., 2009; Zimmerman, 2009). For a discussion of genetic heterogeneity of leukocyte adhesion deficiency, see 116920. [from OMIM]

MedGen UID:
Concept ID:
Disease or Syndrome

Abnormal lymph node morphology

A structural lymph node abnormality. [from HPO]

MedGen UID:
Concept ID:
Anatomical Abnormality; Finding

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