METHODS AND PRODUCTS FOR TRANSFECTION

• US 20170073644A1
• Filed: 11/22/2016
• Published: 03/16/2017
• Est. Priority Date: 12/05/2011
• Status: Active Grant

• Current Assignee: Factor Bioscience Inc
• Original Assignee: Factor Bioscience Inc
• Inventors: Angel, Matthew, Rohde, Christopher
• Granted Patent: US 9,695,401 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: A61P 17/00 Drugs for dermatological disorders
• CPC Class Codes: A61P 21/00 Drugs for disorders of the muscular or neuromuscular system
• CPC Class Codes: A61P 25/02 for peripheral neuropathies
• CPC Class Codes: A61P 25/16 Anti-Parkinson drugs
• CPC Class Codes: A61P 25/28 for treating neurodegenerative disorders of the central nervous system, e.g. nootropic agents, cognition enhancers, drugs for treating Alzheimer's disease or other forms of dementia
• CPC Class Codes: A61P 27/02 Ophthalmic agents
• CPC Class Codes: A61P 3/10 for hyperglycaemia, e.g. antidiabetics
• CPC Class Codes: A61P 31/18 for HIV
• CPC Class Codes: A61P 35/00 Antineoplastic agents
• CPC Class Codes: A61P 37/04 Immunostimulants
• CPC Class Codes: A61P 7/06 Antianaemics
• CPC Class Codes: A61P 9/10 for treating ischaemic or atherosclerotic diseases, e.g. antianginal drugs, coronary vasodilators, drugs for myocardial infarction, retinopathy, cerebrovascula insufficiency, renal arteriosclerosis
• CPC Class Codes: C12N 2500/25 Insulin-transferrin; Insulin-transferrin-selenium
• CPC Class Codes: C12N 2500/33 other than alpha-amino carboxylic acids, e.g. beta-amino acids, taurine
• CPC Class Codes: C12N 2500/36 Lipids
• CPC Class Codes: C12N 2500/84 from mammals
• CPC Class Codes: C12N 2501/602 Sox-2
• CPC Class Codes: C12N 2501/603 Oct-3/4
• CPC Class Codes: C12N 2501/604 Klf-4
• CPC Class Codes: C12N 2501/606 c-Myc
• CPC Class Codes: C12N 2501/608 : Lin28
• CPC Class Codes: C12N 2501/998 : Proteins not provided for elsewhere
• CPC Class Codes: C12N 2506/09 : from epidermal cells, from skin cells, from oral mucosa cells
• CPC Class Codes: C12N 2506/45 : from artificially induced pluripotent stem cells
• CPC Class Codes: C12N 5/0018 : Culture media for cell or tissue culture media for specific animal cell type C12N5/06
• CPC Class Codes: C12N 5/0625 : Epidermal cells, skin cells; Cells of the oral mucosa
• CPC Class Codes: C12N 5/0647 : Haematopoietic stem cells; Uncommitted or multipotent progenitors
• CPC Class Codes: C12N 5/0656 : Adult fibroblasts
• CPC Class Codes: C12N 5/0657 : Cardiomyocytes; Heart cells
• CPC Class Codes: C12N 5/0676 : Pancreatic cells
• CPC Class Codes: C12N 5/0695 : Stem cells; Progenitor cells; Precursor cells
• CPC Class Codes: C12N 5/0696 : Artificially induced pluripotent stem cells, e.g. iPS

Abstract

The present invention relates in part to methods for producing tissue-specific cells from patient samples, and to tissue-specific cells produced using these methods. Methods for reprogramming cells using RNA are disclosed. Therapeutics comprising cells produced using these methods are also disclosed.

Claims

1-9. -9. (canceled)

10. A method for reprogramming a cell to a less differentiated state, comprising:

(a) providing a non-pluripotent cell;

(b) culturing the cell in a medium containing ingredients that support reprogramming of the cell to a less differentiated state; and

(c) transfecting the cell with a synthetic RNA molecule, wherein;

the RNA molecule encodes one or more reprogramming factor(s) selected from the group consisting of Oct4 protein, Sox2 protein, Klf4 protein, c-Myc protein, 1-Myc protein, Tert protein, Nanog protein, and Lin28 protein,

the transfecting results in the cell expressing the one or more reprogramming factor(s) which reprograms the cell to a less differentiated state, and

step (c) is performed without using irradiated human neonatal fibroblast feeder cells and occurs in the presence of a feeder cell conditioned medium.

11. The method of claim 10, wherein the non-pluripotent cell is derived from a biopsy.

12. The method of claim 10, wherein the non-pluripotent cell is harvested from a human subject.

13. The method of claim 11, wherein the non-pluripotent cell is harvested from a dermal punch biopsy sample.

14. The method of claim 10, wherein the non-pluripotent cell is a skin cell.

15. The method of claim 10, further comprising contacting the cell with at least one member of the group:

poly-L-lysine, poly-L-ornithine, RGD peptide, fibronectin, vitronectin, collagen, and laminin.

16. The method of claim 10, wherein the synthetic RNA molecule contains at least one of a pseudouridine or a 5-methylcytidine residue.

17. The method of claim 10, wherein the reprogramming medium is substantially free of immunosuppressants.