RD cell line

RD cell line
Name	RD
Derived from	human embryonal rhabdomyosarcoma
Species	Human
Tissue	Muscle (skeletal)
Morphology	Epithelioid / spindle
Karyotype	Aneuploid
Established	1960s

RD cell line

The RD cell line is a widely used human tumor-derived cell line originating from embryonal rhabdomyosarcoma. It has been adopted across laboratories for studies in Oncology, Virology, Cell biology, and Pharmacology and is referenced in work involving Cytogenetics, Molecular biology techniques, and Drug discovery. Major repositories and institutions have distributed RD cells to research groups studying interactions with pathogens and responses to chemotherapeutics.

History and origin

RD cells were established in the 1960s from a pediatric case of embryonal rhabdomyosarcoma and entered distribution through academic centers and culture collections associated with institutions such as the National Institutes of Health, Cold Spring Harbor Laboratory, and national cell banks in the United States and Europe. Early characterization was influenced by contemporaneous work at institutions like Memorial Sloan Kettering Cancer Center and by investigators connected to programs at Johns Hopkins University and Harvard Medical School. The lineage became notable in comparative studies alongside cell lines such as those from the HeLa and A549 families and featured in pharmacologic screening programs coordinated by consortia like the National Cancer Institute.

Characteristics and morphology

Morphologically, RD cells display an epithelioid to spindle-shaped phenotype under phase-contrast microscopy, occasionally forming myoblast-like aggregates, which researchers have compared with cells derived from HeLa, MCF-7, and PC-12 lines. Cytogenetic analyses revealed aneuploid karyotypes with structural rearrangements reminiscent of patterns reported in tumors profiled at centers like the European Molecular Biology Laboratory and cataloged by databases used by groups at Broad Institute. RD cells express markers that overlap with myogenic lineage markers studied in contexts involving Myogenin, Myf5, and MyoD1 research, while also being permissive to infection by enteroviruses studied by teams at Centers for Disease Control and Prevention and virology groups at University of Oxford.

Culture conditions and maintenance

Standard culture of RD cells employs basal media such as formulations developed by researchers at Roswell Park Comprehensive Cancer Center and used in media products from suppliers historically connected to academic labs including those at Stanford University and MIT. Cultures are maintained at 37 °C in humidified incubators set to 5% CO2, passaged using enzymatic dissociation similar to protocols used for HeLa and HEK293 cells, and supplemented with serum formulations adopted by groups at Salk Institute and Max Planck Society laboratories. Laboratories performing long-term maintenance follow quality-control practices derived from guidelines issued by organizations like the American Type Culture Collection and methodologies cited in manuals produced by investigators at University of California, San Francisco.

Applications and research use

RD cells serve as an in vitro model in oncology research programs at institutions such as Dana–Farber Cancer Institute and in virology studies by investigators at Pasteur Institute, being used to investigate tumor biology, signal transduction pathways, and host–pathogen interactions. They have been used in antiviral screens conducted by teams at Wellcome Trust and in vaccine research programs affiliated with World Health Organization collaborations. RD cells feature in pharmacodynamics and toxicology assays referenced in literature from Food and Drug Administration reviews and are utilized in mechanistic studies alongside model systems employed at Cold Spring Harbor Laboratory and translational research initiatives at Karolinska Institutet.

Genetic and molecular profile

Genomic and transcriptomic analyses of RD cells have revealed complex aneuploidy and rearrangements parallel to observations reported by sequencing centers such as the Broad Institute and the European Genome-phenome Archive projects. Expression patterns include myogenic transcription factors that intersect with findings from labs at UCLA and Imperial College London. RD cells exhibit susceptibility to enteroviruses characterized in studies at National Institute of Allergy and Infectious Diseases and display molecular features leveraged in pathway analyses described by researchers at Massachusetts General Hospital and computational groups at European Bioinformatics Institute.

Safety and biosafety considerations

Work with RD cells is generally conducted at Biosafety Level 2 in accordance with institutional biosafety committees at Yale University, Columbia University, and clinical research centers such as Mayo Clinic. Laboratories handling RD cells follow containment and waste-disposal practices modeled on guidelines from the World Health Organization and national regulatory agencies including the Occupational Safety and Health Administration and implement authentication and mycoplasma-testing protocols promoted by the American Type Culture Collection and standards from consortia like the International Cell Line Authentication Committee.

Category:Cell lines Category:Human cell lines Category:Cancer cell lines