(12) Patent Application Publication (10) Pub. No.: US 2014/0134726A1 D'amour Et Al
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US 2014O134726A1 (19) United States (12) Patent Application Publication (10) Pub. No.: US 2014/0134726A1 D'Amour et al. (43) Pub. Date: May 15, 2014 (54) MARKERS OF DEFINITIVE ENDODERM (60) Provisional application No. 60/736,598, filed on Nov. 14, 2005, provisional application No. 60/532,004, (71) Applicant: ViaCyte, Inc., San Diego, CA (US) filed on Dec. 23, 2003, provisional application No. 60/586,566, filed on Jul. 9, 2004, provisional applica (72) Inventors: Kevin Allen D'Amour, San Diego, CA tion No. 60/587,942, filed on Jul 14, 2004. (US); Alan D. Agulnick, San Diego, CA (US); Emmanuel Edward Baetge, Encinitas, CA (US) Publication Classification (73) Assignee: ViaCyte, Inc., San Diego, CA (US) (51) Int. C. CI2N5/071 (2006.01) (21) Appl. No.: 14/066,441 (52) U.S. C. CPC .................................... CI2N5/0617 (2013.01) (22) Filed: Oct. 29, 2013 USPC ............................ 435/366; 435/325; 435/405 Related U.S. Application Data (57) ABSTRACT (63) Continuation of application No. 12/093.590, filed on Jul. 21, 2008, now Pat. No. 8,586,357, filed as appli Disclosed herein are reagent-cell complexes comprising one cation No. PCT/US06/43932 on Nov. 13, 2006, said or more definitive endoderm cells. Also described herein are application No. 12/093.590 is a continuation-in-part of compositions for detecting definitive endoderm. Method of application No. 11/021,618, filed on Dec. 23, 2004, enriching, isolating and/or purifying definitive endoderm now Pat. No. 7,510,876. cells are also disclosed. 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Although pluripotency imparts RELATED APPLICATIONS extraordinary utility upon hESCs, this property also poses 0001. This application is a nonprovisional application unique challenges for the study and manipulation of these which claims priority under 35 U.S.C. S 119(e) to U.S. Pro cells and their derivatives. Owing to the large variety of cell visional Patent Application No. 60/736,598, entitled MARK types that may arise in differentiating hESC cultures, the vast ERS OF DEFINITIVE ENDODERM, filed Nov. 14, 2005; majority of cell types are produced at very low efficiencies. this application is also a continuation-in-part of U.S. patent Additionally, success in evaluating production of any given application Ser. No. 1 1/021,618, entitled DEFINITIVE cell type depends critically on defining appropriate markers. ENDODERM, filed Dec. 23, 2004, which claims priority Achieving efficient, directed differentiation is of great impor under 35 U.S.C. S 119(e) as a nonprovisional application to tance for therapeutic application of hESCs. U.S. Provisional Patent Application No. 60/587,942, entitled 0006. In order to use hESCs as a starting material togen CHEMOKINE CELL SURFACE RECEPTOR FOR THE erate cells that are useful in cell therapy applications, it would ISOLATION OF DEFINITIVE ENDODERM, filed Jul 14, be advantageous to overcome the foregoing problems. For 2004; and U.S. Provisional Patent Application No. 60/586, example, it would be useful to identify and isolate cell types, 566, entitled CHEMOKINE CELL SURFACE RECEPTOR such as definitive endoderm, that can later differentiate into FOR THE ISOLATION OF DEFINITIVE ENDODERM, pancreatic islet/B-cells, as well as other useful cell types. filed Jul. 9, 2004. and U.S. Provisional Patent Application No. 60/532,004, entitled DEFINITIVE ENDODERM,