"Differentiation induction" culture of human leukemic myeloid cells stimulates high production of macrophage differentiation inducing factor.

"Differentiation induction" culture of human leukemic myeloid cells stimulates high production of macrophage differentiation inducing factor. Research Abstract Details 

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"Differentiation induction" culture of human leukemic myeloid cells stimulates high production of macrophage differentiation inducing factor. Abstract Text:

A suitable procedure for the production of human monokines was defined as 'differentiation-induction' culture. Human monocytic leukemia THP-1 cells were well-differentiated from nonfunctional promonocytes into macrophage-like cells by the induction with a combination of mezerein, retinoic acid, and a Mycoplasma fermentans extract. The differentiated THP-1 cells secreted a high amount of macrophage differentiation-inducing factor (DIF) activity and concomitantly produced other known monokines, such as tumor necrosis factor-alpha (TNF-alpha), interleukin-1 alpha (IL-1 alpha) and interleukin-1 beta (IL-1 beta), into the medium. These results suggest that other novel human monokines may also be found in the conditioned medium of THP-1 cells induced by the 'differentiation-induction' culture conditions defined in this study. Macrophage DIF was purified to homogeneity and NH2-terminal amino acid sequence analysis revealed that macrophage DIF is very similar or identical to human leukemia inhibitory factor (LIF). The cDNA encoding human LIF was isolated using the polymerase chain reaction, and a clone producing 3.7 micrograms/10(6) cells day recombinant LIF was selected from Chinese hamster ovary (CHO) cells which were transfected with the LIF cDNA. The recombinant LIF production in CHO cells was quantified using MTT reduction assay with M1 cells.

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"Differentiation induction" culture of human leukemic myeloid cells stimulates high production of macrophage differentiation inducing factor. Journal Published:

PUBLICATION TYPE: Review

Journal: Cytotechnology

VOLUME: 5 Suppl 2

Page Numbers: S75-93

Journal Abbreviation: Cytotechnology

ISSN: 0920-9069

DAY: 9

MONTH: 10

YEAR: 1991

"Differentiation induction" culture of human leukemic myeloid cells stimulates high production of macrophage differentiation inducing factor. Information

Number of References: 50

LANGUAGE: eng

NlmUniqueID: 8807027

"Differentiation induction" culture of human leukemic myeloid cells stimulates high production of macrophage differentiation inducing factor. Keywords Mesh Terms:

KEYWORDS: Tumor Cells, Cultured

MESH TERMS: biosynthesis

Chemical & Substance for Abstract: "Differentiation induction" culture of human leukemic myeloid cells stimulates high production of macrophage differentiation inducing factor. Information

Substance Name: DNA

Registry Number: 9007-49-2

Grant and Affiliation Information for "Differentiation induction" culture of human leukemic myeloid cells stimulates high production of macrophage differentiation inducing factor.

AFFILIATION: Life Science Laboratories, Ashi Chemical Industry Co., Ltd., Shizuoka, Japan.

Country: NETHERLANDS

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MEDLINETA: Cytotechnology

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