New in vitro procedures for experimental studies on the development of 11-day mouse embryo forelimb buds. 1987

X Desbiens, and F Revillion-Carette, and L Meunier, and A Bart
Laboratoire de Morphogenèse Animale (CNRS UA 685), Universitè des Sciences et Techniques de Lille, Villeneuve d'Ascq, France.

A new method has been developed for culturing 11-day mouse forelimb buds in vitro. In cultures performed with conventional procedures, skeletal pieces frequently appeared distorted and reduced in size. Moreover, forelimb buds explanted from embryos younger than a stage corresponding to 50 pairs of somites developed narrow hand plates devoid of radiated autopods. By contrast, in the new procedure using media supplemented with fetal calf serum and growth factors and enhancing distal feeding with carrier implants of catgut, enlarged pads were obtained that exhibited at least 4 digital rays in buds explanted from embryos with 40-44 pairs of somites. Compared with conventional procedures, the mean value of DNA content per limb bud was twice as great with use of our improved method. The ability of limb bud cells to proliferate and differentiate when cultured either in classical or in modified conditions, and the importance of the technical procedures, are discussed in the new prospect of in vitro developmental studies.

UI MeSH Term Description Entries
D009924 Organ Culture Techniques A technique for maintenance or growth of animal organs in vitro. It refers to three-dimensional cultures of undisaggregated tissue retaining some or all of the histological features of the tissue in vivo. (Freshney, Culture of Animal Cells, 3d ed, p1) Organ Culture,Culture Technique, Organ,Culture Techniques, Organ,Organ Culture Technique,Organ Cultures
D003470 Culture Media Any liquid or solid preparation made specifically for the growth, storage, or transport of microorganisms or other types of cells. The variety of media that exist allow for the culturing of specific microorganisms and cell types, such as differential media, selective media, test media, and defined media. Solid media consist of liquid media that have been solidified with an agent such as AGAR or GELATIN. Media, Culture
D004247 DNA A deoxyribonucleotide polymer that is the primary genetic material of all cells. Eukaryotic and prokaryotic organisms normally contain DNA in a double-stranded state, yet several important biological processes transiently involve single-stranded regions. DNA, which consists of a polysugar-phosphate backbone possessing projections of purines (adenine and guanine) and pyrimidines (thymine and cytosine), forms a double helix that is held together by hydrogen bonds between these purines and pyrimidines (adenine to thymine and guanine to cytosine). DNA, Double-Stranded,Deoxyribonucleic Acid,ds-DNA,DNA, Double Stranded,Double-Stranded DNA,ds DNA
D004622 Embryo, Mammalian The entity of a developing mammal (MAMMALS), generally from the cleavage of a ZYGOTE to the end of embryonic differentiation of basic structures. For the human embryo, this represents the first two months of intrauterine development preceding the stages of the FETUS. Embryonic Structures, Mammalian,Mammalian Embryo,Mammalian Embryo Structures,Mammalian Embryonic Structures,Embryo Structure, Mammalian,Embryo Structures, Mammalian,Embryonic Structure, Mammalian,Embryos, Mammalian,Mammalian Embryo Structure,Mammalian Embryonic Structure,Mammalian Embryos,Structure, Mammalian Embryo,Structure, Mammalian Embryonic,Structures, Mammalian Embryo,Structures, Mammalian Embryonic
D005314 Embryonic and Fetal Development Morphological and physiological development of EMBRYOS or FETUSES. Embryo and Fetal Development,Prenatal Programming,Programming, Prenatal
D005552 Forelimb A front limb of a quadruped. (The Random House College Dictionary, 1980) Forelimbs
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D051379 Mice The common name for the genus Mus. Mice, House,Mus,Mus musculus,Mice, Laboratory,Mouse,Mouse, House,Mouse, Laboratory,Mouse, Swiss,Mus domesticus,Mus musculus domesticus,Swiss Mice,House Mice,House Mouse,Laboratory Mice,Laboratory Mouse,Mice, Swiss,Swiss Mouse,domesticus, Mus musculus

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