Targeted gene addition strategies for the treatment of X-linked lymphoproliferative disease

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X-Linked Lymphoproliferative Disease

2B4 is a surface molecule involved in activation of the natural killer (NK) cell-mediated cytotoxicity. It binds a protein termed Src homology 2 domain-containing protein (SH2D1A) or signaling lymphocyte activation molecule (SLAM)-associated protein (SAP), which in turn has been proposed to function as a regulator of the 2B4-associated signal transduction pathway. In this study, we analyzed pat...

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Lymphocytic vasculitis in X-linked lymphoproliferative disease.

Systemic vasculitis is an uncommon manifestation of X-linked lymphoproliferative disease (XLP), a disorder in which there is a selective immune deficiency to Epstein-Barr virus (EBV). The molecular basis for XLP has recently been ascribed to mutations within SLAM-associated protein (SAP), an SH2 domain-containing protein expressed primarily in T cells. The authors describe a patient who died as...

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Impaired Ig class switch in mice deficient for the X-linked lymphoproliferative disease gene Sap.

X-linked lymphoproliferative disease (XLP) is characterized by abnormal immune responses to Epstein-Barr virus attributed to inactivating mutations of the SAP gene. Previous studies showed immunoglobulin E (IgE) deficiency and low serum IgG levels in Sap-deficient mice before and after viral infections, which are associated with impaired CD4+ T-helper function. In the present work, we find that...

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Alterations of the X-linked lymphoproliferative disease gene SH2D1A in common variable immunodeficiency syndrome.

X-linked lymphoproliferative (XLP) disease is a primary immunodeficiency caused by a defect in the SH2D1A gene. At least 3 major manifestations characterize its clinical presentation: fatal infectious mononucleosis (FIM), lymphomas, and immunoglobulin deficiencies. Common variable immunodeficiency (CVID) is a syndrome characterized by immunoglobulin deficiency leading to susceptibility to infec...

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Cell surface receptors Ly-9 and CD84 recruit the X-linked lymphoproliferative disease gene product SAP.

X-linked lymphoproliferative disease (XLP) is a rare immune disorder commonly triggered by infection with Epstein-Barr virus. Major disease manifestations include fatal acute infectious mononucleosis, B-cell lymphoma, and progressive dys-gammaglobulinemia. SAP/SH2D1A, the product of the gene mutated in XLP, is a small protein that comprises a single SH2 domain and a short tail of 26 amino acids...

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ژورنال

عنوان ژورنال: The Lancet

سال: 2016

ISSN: 0140-6736

DOI: 10.1016/s0140-6736(16)00408-6