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Institut National De La Sante Et De La Recherche Medicale

Meristern Therapeutics

Renee-Josee Pagnier

Veronique Gruber

Bertrand Merot

Philippe Lenee

Michael Marden

Sylvie Baudino

Claude Poyart

Wilfrid Dieryck

A method for producing haemin proteins by (i) inserting into plant cells one or more nucleic acid molecules that each comprise at least one sequence coding for a protein component of an animal haemin protein capable of reversibly binding oxygen, or for a variant or portion of said protein component, and optionally a sequence coding for a selection agent; (ii) selecting cells containing nucleic acid coding for the protein component of the haemin protein; (iii) optionally propagating the transformed cells either in a culture or by regenerating whole transgenic or chimeric plants; and (iv) recovering and optionally purifying a haemin protein that includes a complex consisting of the protein or proteins coded for by said nucleic acid and at least one iron-containing porphyritic nucleus, or a plurality of such complexes.

Method for producing hemin proteins using plant cells, resulting proteins and products containing same

A method for producing human hemoglobin proteins by (i) inserting into plant cells one or more nucleic acid molecules that each comprise at least one sequence coding for a protein component of a human hemoglobin protein capable of reversibly binding oxygen, and optionally a sequence coding for a selection agent; (ii) selecting cells containing nucleic acid coding for the protein component of the human hemoglobin protein; (iii) optionally propagating the transformed cells either in a culture or by regenerating whole transgenic or chimeric plants; and (iv) recovering and optionally purifying the human hemoglobin protein that includes a complex consisting of the protein or proteins coded for by the nucleic acid and at least one iron-containing polphyritic nucleus, or a plurality of such complexes.

Method for producing human hemoglobin proteins using plant cells

Growing community of inventors

Le Kremlin-Bicetre, France

Renee-Josee Pagnier