Retinoic acid-induced CD38 antigen promotes leukemia cells attachment and interferon-gamma/interleukin-1beta-dependent apoptosis of endothelial cells: implications in the etiology of retinoic acid syndrome.

Retinoic acid-induced CD38 antigen promotes leukemia cells attachment and interferon-gamma/interleukin-1beta-dependent apoptosis of endothelial cells: implications in the etiology of retinoic acid syndrome. Research Abstract Details 

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Retinoic acid-induced CD38 antigen promotes leukemia cells attachment and interferon-gamma/interleukin-1beta-dependent apoptosis of endothelial cells: implications in the etiology of retinoic acid syndrome. Abstract Text:

Yin Gao,Luis H Camacho,Kapil Mehta,

All-trans retinoic acid (RA) treatment of patients with acute promyelocytic leukemia (APL) induces complete remission in more than 90% of the cases. Although RA therapy is well tolerated, about 25% of APL patients develop a potentially fatal condition called retinoic acid syndrome (RAS). Molecular mechanisms underlying the development of RAS pathogenesis, especially those that result in the damage of endothelial cells remain elusive. In the present study, we found that RA treatment induces the expression of interferon-gamma (IFN-gamma) and interleukin-1beta (IL-1beta) in peripheral blast cells from APL patients. IFN-gamma and IL-1beta also exerted synergistic effect in driving human umbilical cord endothelial cells (HUVECs) and human lung microvascular endothelial cells (HLMVECs) into apoptosis. RA also upregulated the expression of CD38, an ectoenzyme responsible for the generation of the calcium messenger cyclic ADP-ribose. Importantly, RA-induced CD38 expression promoted strong attachment of leukemia cells to endothelial cells, and incubation of endothelial cells with either high concentration (100 ng/ml) of IFN-gamma alone or low concentration of IL-1beta and IFN-gamma (10 ng/ml, each) induced strong apoptotic responses as revealed by caspase-8 activation and DNA fragmentation. Our results suggest that these RA-induced events could contribute to the development of RAS pathogenesis in patients with APL.

Retinoic acid-induced CD38 antigen promotes leukemia cells attachment and interferon-gamma/interleukin-1beta-dependent apoptosis of endothelial cells: implications in the etiology of retinoic acid syndrome. Publishing Authors By Initials

Y Gao,LH Camacho,K Mehta,

For similar cardiovascular system: blood vessels: veins: portal system: umbilical veins research abstracts see: cardiovascular system: blood vessels: veins: portal system: umbilical veins research

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Retinoic acid-induced CD38 antigen promotes leukemia cells attachment and interferon-gamma/interleukin-1beta-dependent apoptosis of endothelial cells: implications in the etiology of retinoic acid syndrome. Journal Published:

PUBLICATION TYPE: Research Support, N.I.H., Extr

Journal: Leukemia research

VOLUME: 31

Page Numbers: 455-63

Journal Abbreviation: Leuk. Res.

ISSN: 0145-2126

DAY: 22

MONTH: 08

YEAR: 2006

Retinoic acid-induced CD38 antigen promotes leukemia cells attachment and interferon-gamma/interleukin-1beta-dependent apoptosis of endothelial cells: implications in the etiology of retinoic acid syndrome. Information

Number of References:

LANGUAGE: eng

NlmUniqueID: 7706787

Retinoic acid-induced CD38 antigen promotes leukemia cells attachment and interferon-gamma/interleukin-1beta-dependent apoptosis of endothelial cells: implications in the etiology of retinoic acid syndrome. Keywords Mesh Terms:

KEYWORDS: Umbilical Veins

MESH TERMS: cytology

Chemical & Substance for Abstract: Retinoic acid-induced CD38 antigen promotes leukemia cells attachment and interferon-gamma/interleukin-1beta-dependent apoptosis of endothelial cells: implications in the etiology of retinoic acid syndrome. Information

Substance Name: Antigens, CD38

Registry Number: EC 3.2.2.5

Grant and Affiliation Information for Retinoic acid-induced CD38 antigen promotes leukemia cells attachment and interferon-gamma/interleukin-1beta-dependent apoptosis of endothelial cells: implications in the etiology of retinoic acid syndrome.

AFFILIATION: Department of Experimental Therapeutics, Unit 362, The University of Texas M. D. Anderson Cancer Center, 1515 Holcombe Boulevard, Houston, TX 77030, USA.

Country: England

AGENCY: United States PHS

GRANT: P01 PA 55164

ACRONYM: CA

MEDLINETA: Leuk Res

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