[Induction of specific CTL by DC from axillary lymph node of patients with breast cancer].
OBJECTIVE
To investigate the capability of the dendritic cells (DC) from axillary draining lymph node of patients with breast cancer to induce the antigen specific CTL.


METHODS
The mononuclear cells were isolated from axillary draining lymph node, and the adherent cells were cultured with rhGM-CSF and rhIL-4 to induce DC. The non-adherent cells were cultured with IL-2 to induce tumor draining lymph node cells(TDLNC). DCs stimulated by the autoallergic breast cancer freeze-thawing antigen were co-cultured with the obtained TDLNC to induce tumor antigen specific CTL.


RESULTS
The positive percentage of CD1a, CD83, CD86 on DC from freshly isolated mononuclear cells in axillary draining lymph node was 11.0+/-2.3, 26.6+/-5.2 and 33.0+/-6.1, respectively. After co-cultured with rhGM-CSF, rhIL-4, breast cancer freeze-thawing antigen and TNF-alpha, the percentage of CD1a, CD83, CD86 was increased to 50.2+/-5.7, 60.5+/-16.5 and 56.2+/-16.4, respectively, (P<0.01). The percentage of CD8(+) T cells in TDLNC increased from 32.8+/-3.2 to 62.5+/-2.5 after co-cultured with DC-Ag (P<0.01).


CONCLUSIONS
Typical DCs can be induced from the mononuclear cells in axillary draining lymph node after stimulated with cytokine (rhGM-CSF, rhIL-4 and TNF-alpha), which possess strong antigen presentation function and can stimulate TDLNC to proliferate and differentiate into antigen specific CTL.
Liu
Yun-jiang
YJ
Department of Surgery, the Fourth Hospital of Hebei Medical University, Shijiazhuang 050011, China. lyj818326@126.com
Zhang
Jian-li
JL
Shan
Bao-en
BE
D015703:Antigens, CD / Q000378:metabolism; D018949:Antigens, CD1 / Q000378:metabolism; D001365:Axilla; D051940:B7-2 Antigen / Q000378:metabolism; D001943:Breast Neoplasms / Q000276:immunology*; D002478:Cells, Cultured; D003713:Dendritic Cells / Q000187:drug effects / Q000276:immunology*; D016178:Granulocyte-Macrophage Colony-Stimulating Factor / Q000494:pharmacology; D006801:Humans; D007136:Immunoglobulins / Q000378:metabolism; D015847:Interleukin-4 / Q000494:pharmacology; D008198:Lymph Nodes / Q000166:cytology*; D008562:Membrane Glycoproteins / Q000378:metabolism; D013602:T-Lymphocytes, Cytotoxic / Q000276:immunology*; D014409:Tumor Necrosis Factor-alpha / Q000494:pharmacology; D000097802:CD83 Antigen
D015703:Antigens, CD; D018949:Antigens, CD1; D051940:B7-2 Antigen; D016178:Granulocyte-Macrophage Colony-Stimulating Factor; D007136:Immunoglobulins; D015847:Interleukin-4; D008562:Membrane Glycoproteins; D014409:Tumor Necrosis Factor-alpha; D000097802:CD83 Antigen; C419393:CD1a antigen