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Scientists from Bristol University in the UK say they have found a approacheschallengedonationsgroupshospitalslaboratorylargelikelylimitedlotmorepatientsrareresearcherssuitabletechniquetechnologytraditionaluseway to mass produce blood that would be approacheschallengedonationsgroupshospitalslaboratorylargelikelylimitedlotmorepatientsrareresearcherssuitabletechniquetechnologytraditionaluseway for approacheschallengedonationsgroupshospitalslaboratorylargelikelylimitedlotmorepatientsrareresearcherssuitabletechniquetechnologytraditionaluseway who need it in approacheschallengedonationsgroupshospitalslaboratorylargelikelylimitedlotmorepatientsrareresearcherssuitabletechniquetechnologytraditionaluseway. For a number of years, they have been able to produce red blood cells in a approacheschallengedonationsgroupshospitalslaboratorylargelikelylimitedlotmorepatientsrareresearcherssuitabletechniquetechnologytraditionaluseway. However, the process to do that was very slow and they could not produce a approacheschallengedonationsgroupshospitalslaboratorylargelikelylimitedlotmorepatientsrareresearcherssuitabletechniquetechnologytraditionaluseway of blood. The new approacheschallengedonationsgroupshospitalslaboratorylargelikelylimitedlotmorepatientsrareresearcherssuitabletechniquetechnologytraditionaluseway means scientists can make an "unlimited supply" of blood. Researcher Dr Jan Frayne said: "Previous approacheschallengedonationsgroupshospitalslaboratorylargelikelylimitedlotmorepatientsrareresearcherssuitabletechniquetechnologytraditionaluseway to producing red blood cells have relied on various sources of stem cells which can only presently produce very approacheschallengedonationsgroupshospitalslaboratorylargelikelylimitedlotmorepatientsrareresearcherssuitabletechniquetechnologytraditionaluseway quantities." She added: "We have demonstrated a feasible way to sustainably manufacture red cells for clinical approacheschallengedonationsgroupshospitalslaboratorylargelikelylimitedlotmorepatientsrareresearcherssuitabletechniquetechnologytraditionaluseway."

Professor David Anstee, another of the approacheschallengedonationsgroupshospitalslaboratorylargelikelylimitedlotmorepatientsrareresearcherssuitabletechniquetechnologytraditionaluseway, told the BBC that his team has found a way to mass produce blood, but they now need the approacheschallengedonationsgroupshospitalslaboratorylargelikelylimitedlotmorepatientsrareresearcherssuitabletechniquetechnologytraditionaluseway to actually do this on a approacheschallengedonationsgroupshospitalslaboratorylargelikelylimitedlotmorepatientsrareresearcherssuitabletechniquetechnologytraditionaluseway scale. He said: "There is a bioengineering challenge. To produce that much [blood] is quite a approacheschallengedonationsgroupshospitalslaboratorylargelikelylimitedlotmorepatientsrareresearcherssuitabletechniquetechnologytraditionaluseway….The next phase of our work is to look at methods of [producing approacheschallengedonationsgroupshospitalslaboratorylargelikelylimitedlotmorepatientsrareresearcherssuitabletechniquetechnologytraditionaluseway]." He told reporters that to begin with, they would produce only approacheschallengedonationsgroupshospitalslaboratorylargelikelylimitedlotmorepatientsrareresearcherssuitabletechniquetechnologytraditionaluseway types of blood, as these can be difficult to find with approacheschallengedonationsgroupshospitalslaboratorylargelikelylimitedlotmorepatientsrareresearcherssuitabletechniquetechnologytraditionaluseway blood donation sources. He said: "The first therapeutic use of a cultured red cell product is approacheschallengedonationsgroupshospitalslaboratorylargelikelylimitedlotmorepatientsrareresearcherssuitabletechniquetechnologytraditionaluseway to be for patients with rare blood approacheschallengedonationsgroupshospitalslaboratorylargelikelylimitedlotmorepatientsrareresearcherssuitabletechniquetechnologytraditionaluseway, because suitable conventional red blood cell approacheschallengedonationsgroupshospitalslaboratorylargelikelylimitedlotmorepatientsrareresearcherssuitabletechniquetechnologytraditionaluseway can be difficult to source."