Dobo I et al. (AUG 1995)
Journal of hematotherapy 4 4 281--7
Collagen matrix: an attractive alternative to agar and methylcellulose for the culture of hematopoietic progenitors in autologous transplantation products.
Autografts using untreated or in vitro manipulated bone marrow and peripheral blood stem cells represent promising approaches to the treatment of malignant diseases. In this work,the collagen gel culture technique was compared with agar and methylcellulose for its capacity to permit the growth of human granulomonocytic (day 14 CFU-GM; collagen vs agar or MTC) or erythroblastic (day 7 CFU-E and day 14 BFU-E; collagen versus methylcellulose) colonies in autologous transplantation products. Our results show that the collagen culture system always gave as many or more colonies than the other techniques. It also allowed harvesting of gels onto glass slides and subsequent May-Grünwald-Giemsa,cytochemical or immunocytochemical staining. We suggest that the collagen assay represents an interesting alternative to the widely used agar or methylcellulose systems for the culture of hematopoietic progenitors because of the equal or higher number of colonies detected,the easy phenotypical identification of colonies in stained gels,and the ability to store high-quality documentation. This technique is particularly attractive for use in the quality control of autologous bone marrow transplantation procedures.
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MegaCult™-C胶原和含细胞因子培养基
MegaCult™-C CFU-Mk染色试剂盒
MegaCult-C 10% BSA, 6mL
MegaCult-C Human Serum, 6mL
Alkaline Phosphatase Substrate Tabs, pk
Biotin/Conjugate Goat Anti-Mu lgG, 125uL
MegaCult-C Evans Blue Stain, 5mL
Primary Ab, Anti-HuAnti-GPIIb/IIIa 360uL
MegaCult-C Control Antibody, 100 µL
Avidin-Alk Phosphatase Conjugate, 200 uL
MegaCult™-C含脂质培养基
MegaCult™-C胶原和含脂质培养基
胶原蛋白溶液
MegaCult™-C胶原和无细胞因子培养基
MegaCult™-C无细胞因子培养基
MegaCult™-C含细胞因子培养基
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MegaCult™-C无细胞因子全套试剂盒
MegaCult™-C含细胞因子全套试剂盒
Hogge D et al. (MAR 1997)
British journal of haematology 96 4 790--800
Quantitation and characterization of human megakaryocyte colony-forming cells using a standardized serum-free agarose assay.
Human progenitors of the megakaryocyte (Mk) lineage were detected by their ability to generate colonies-containing from 3 to textgreater 100 Mk,detectable as glycoprotein IIb/IIIa+ cells in APAAP-stained whole mount agarose cultures. Optimal growth conditions were achieved through the use of a defined serum substitute and a suitable cocktail of recombinant cytokines. Under these culture conditions,the smallest Mk-containing colonies (CFC-Mk) were detectable within a week followed by colonies containing larger numbers of Mk over the ensuing 2 weeks. The total number of CFC-Mk at 18-21 d was linearly related to the number of cells plated. Variation in the cytokines added showed that thrombopoietin (TPO) or IL-3 alone would support the formation of large numbers of CFC-Mk. However,optimal yields of colonies containing cells of both Mk and non-Mk lineages required the addition of other growth factors,of which a combination of IL-3,IL-6,GM-CSF and Steel factor (SF) +/- TPO was the best of those tested. The further addition of erythropoietin to this combination reduced the number of large pure' Mk colonies seen and in their place a corresponding number of mixed erythroid-Mk colonies became detectable. Flt3-ligand alone was unable to support the growth of CFC-Mk nor did it enhance their growth when combined with other factors. Plating of FACS-sorted sub-populations of CD34+ marrow cells in both serum-free agarose and methylcellulose assays demonstrated that most CFC-Mk are generated from CD34+ cells that are CD45RA- and CD71+�
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