Methods and compositions in checkpoint signaling

Organic compounds -- part of the class 532-570 series – Organic compounds – Carbohydrates or derivatives

Reexamination Certificate

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C435S320100

Reexamination Certificate

active

07101985

ABSTRACT:
The present invention is directed to compositions and methods regarding the signaling for the presence of DNA damage or replication stress and activating cell cycle checkpoints. Specifically, ATRIP was identified as an interactor with ATR, a member of the phosphatidylinositol kinase-related protein family that includes ATM and DNA-PK. In some embodiments, the present invention is directed to ATRIP and ATR acting as mutually dependent partners in cell cycle checkpoint signaling pathways.

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Zou, Lee, et a;.; Sensing DNA Damage Through ATRIP Recognition of RPA-ssDNA Complexes; Science (Jun. 6, 2003); vol. 300; pp. 1542-1548.
Rouse, John, et al.; LCD1: an essential gene involved in checkpoint control and regulation of the MEC1 signalling pathway inSaccharomyces cerevisiae; The EMBO Journal 19(21):5801-5812, 2000.
Zou, Lee, et al.; Regulation of ATR substrate selection by Rad17-dependent loading of Rad9 complexes onto chromatin; Genes & Development 16:198-208, 2000.
Brown, Eric J., et al.; ATR disruption leads to chromosomal fragmentation and early embryonic lethality; Genes & Development 14:397-402, 2000.
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Tibbetts, Randal S., et al.; Functional interactions between BRCA1 and the checkpoint kinase ATR during genotoxic stress; Genes & Development, 14(23):2090-3002, Dec. 1, 2000.
Edwards, Rhian J., et al.; A Rad3-Rad26 complex responds to DNA damage independently of other checkpoint proteins; Nature Cell Biology 1:393-398, Nov. 1999.
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Paciotti, Vera, et al.; The checkpoint protein Ddc2, functionally related to S. pombe Rad26, interacts with Mec1 and is regulated by Mec1-dependent phosphorylation in budding yeast; Genes & Development 14:2046-2059, 2000.
Cliby, William A., et al.; Overexpression of a kinasae-inactive ATR protein causes sensitivity to DNA-damaging agents and defects in cell cycle checkpoints; The EMBO Journal 17(1):159-169, 1998.
Wright, Jocyndra A., et al.; Protein kinase mutants of human ATR increase sensitivity to UV and ionizing radiation and abrogate cell cycle checkpoint control; Proc. Natl. Acad. Sci. USA (Cell Biology) 95:7445-7450, Jun. 1998.
Brodsky, Michael H., et al.; mus304 encodes a novel DNA damage checkpoint protein required during Drosophila development; Genes & Development 14:666-678, 2000.
Liu, Qinghua, et al.; Chk1 is an essential kinase that is regulated by Atr and required for the G2/M DNA damage checkpoint; Genes & Development 14:1448-1459, 2000.
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GenBank Submission of NM—033628.Homo sapiensThre . . . .
GenBank Submission of AAH14153. hypothetical prot . . . .
GenBank Submission of XP—051515.hypothetical prot . . . .
GenBank Submission of XM—051516.
GenBank Submission of NM—130384.Homo sapiensthre . . . .
GenBank Submission of AL832917.Homo sapiensmRNA . . . .
GenBank Submission of NP—569055. three prime repai . . . .
GenBank Submission of AF451323.Homo sapiensATR . . . .
GenBank Submission of NP—115542. three prime repai . . . .
GenBank Submission of BC030597.Homo sapiens, thr . . . .
GenBank Submission of AB046054. Macaca fascicular . . . .
GenBank Submission of AK022405.Homo sapienscDNA . . . .
GenBank Submission of BC014153.Homo sapiens, hyp . . . .
GenBank Submission of NM—032166.Homo sapienshypo . . . .
GenBank Submission of AF319567.Homo sapiensclon . . . .
GenBank Submission of XP—054821. hypothetical prot . . . .
GenBank Submission of NP—115542. hypothetical prot . . . .
GenBank Submission of XM—051514.Homo sapienshypo . . . .
GenBank Submission of AF319566.Homo sapiensclon . . . .
GenBank Submission of XM—051513.Homo sapienshypo . . . .
GenBank Submission of XM—051515.Homo sapienshypo . . . .
GenBank Submission of XM—054821.Homo sapienshypo . . . .

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