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Role of the immune system in development of bone phenotype associated with generalised lymphoproliferative disorder in mice (CROSBI ID 499810)

Prilog sa skupa u zborniku | sažetak izlaganja sa skupa | međunarodna recenzija

Lukić, Ivan Krešimir ; Grčević, Danka ; Kovačić, Nataša ; Katavić, Vedran ; Marušić, Ana Role of the immune system in development of bone phenotype associated with generalised lymphoproliferative disorder in mice // Molecular and cellular interactions in chronic inflammatory autoimmune diseases / Lukić, Miodrag L (ur.). Beograd: European Federation of Immunological Societies, 2004. str. 6-6-x

Podaci o odgovornosti

Lukić, Ivan Krešimir ; Grčević, Danka ; Kovačić, Nataša ; Katavić, Vedran ; Marušić, Ana

engleski

Role of the immune system in development of bone phenotype associated with generalised lymphoproliferative disorder in mice

We have previously shown that mice with generalised lymphoproliferative disorder (gld) have increased bone mass in addition to autoimmune disease characterised by the accumulation of double negative (dn) T lymphocytes (CD3+CD4&#8722; CD8&#8722; CD45R+). To further explore the association of the immune disorder with the bone phenotype of gld mice, we established parabiotic circulation between gld and wild-type animals (C57BL/6, B6). One week after the surgery, the proportion of dn T lymphocytes increased in peripheral blood, bone marrow, spleen, lymph nodes of wild-type members of the B6-gld parabiotic pair and decreased in tissues of gld pair members. The mixing of cells continued during four weeks of parabiosis. Number of osteoclast-like (OCL) cells in bone marrow cultures from a wild-type member of B6-gld parabiotic pair at the end of the first week decreased from 266&plusmn ; ; 52 to 120&plusmn ; ; 5 OCL/cm2, P<0.05, comparable with gld mice (99&plusmn ; ; 21 OCL/cm2), while the number of osteoblast colonies did not change. After four weeks, number of OCL cells formed from the bone marrow of B6 parabiotic mice was still similar to the number of OCL cells in their gld counterparts (150&plusmn ; ; 18 and 131&plusmn ; ; 24 OCL/cm2, respectively). In addition, the number of osteoblast colonies in B6 members of B6-gld parabiotic pairs increased (from 6&plusmn ; ; 2 to 18&plusmn ; ; 1 colonies/cm2, P<0.05) thus resembling the cell cultures of gld mice (18&plusmn ; ; 1 colonies/cm2). Taken together, these data show that the circulation of cells, including dn T lymphocytes established by parabiosis confers the osteoclast and osteoblast phenotype of gld to wild-type animals.

mice; bone; immune disorder

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Podaci o prilogu

6-6-x.

2004.

objavljeno

Podaci o matičnoj publikaciji

Molecular and cellular interactions in chronic inflammatory autoimmune diseases

Lukić, Miodrag L

Beograd: European Federation of Immunological Societies

Podaci o skupu

Symposium on Molecular and Cellular Interactions in Chronic Inflammatory Autoimune Diseases

predavanje

29.08.2004-02.09.2004

Crna Gora; Beograd, Srbija

Povezanost rada

Temeljne medicinske znanosti