Roscovitine (Seliciclib,CYC202)

Catalog No.S1153

Roscovitine (Seliciclib,CYC202) Chemical Structure

Molecular Weight(MW): 354.45

Roscovitine (Seliciclib, CYC202) is a potent and selective CDK inhibitor for Cdc2, CDK2 and CDK5 with IC50 of 0.65 μM, 0.7 μM and 0.16 μM in cell-free assays. It shows little effect on CDK4/6. Phase 2.

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5 Customer Reviews

  • In vitro inhibition of mouse corticotroph tumor cells by R-roscovitine. (A) Treatment of ACTH-secreting AtT20 cells with R-roscovitine (1-2 × 10-5 μM) led to decreased number of viable cells at 24 and 48 h, as depicted by Wst-1 proliferation assay (mean ± SE; **P < 0.01). (B) Western blot of protein extracts derived from AtT20 cells treated with vehicle or R-roscovitine. (C) R-roscovitine treatment (10 μM) for 48 h induced senescence as indicated by increased β-gal expression. (D) ACTH concentration by radioimmunoassays of culture medium from AtT20 cells treated with vehicle or R-roscovitine (mean ±SE; **P < 0.01 and ***P < 0.001). (E) Western blot of protein extracts derived from AtT20 cells treated with R-roscovitine. Vehicle is 0.2% DMSO.

    PNAS 2011 108, 8417. Roscovitine (Seliciclib,CYC202) purchased from Selleck.

    In vivo action of R-roscovitine inmouse corticotroph adenomas. Athymic nude mice were s.c. inoculated with corticotroph tumor AtT20 cells (1 × 105 cells). Three days after injection, mice were randomized to receive Rroscovitine (150 mg/kg) or vehicle by oral gavage twice daily, 5 d/wk. After 3 wk, tumor xenografts were dissected and (A) tumor volumes were decreased in R-roscovitine-treated animals. (B) Western blot of representative tumor specimens showed decreased ACTH and PCNA expression in R-roscovitine-treated tumors. (C) R-roscovitine-treated corticotroph tumors exhibited decreased PCNA and ACTH coexpressing cells. Fluorescence microscopy image of immunohistochemistry detecting PCNA (red) and ACTH (green) expression in control (a-c) and R-roscovitine-treated tumors (d-f). Cryosection slides were counterstained with DAPI (blue). (D) Blood was collected from each animal for measurement of plasma ACTH and serum corticosterone levels (mean ±SE; n = 13-14 mice for each group; **P < 0.01).

    PNAS 2011 108, 8417. Roscovitine (Seliciclib,CYC202) purchased from Selleck.

  • (a-c) Relative viability of Cis-R cells and parental MDA-MB-231 (Cis-S) cells in the presence of cisplatin (10 μM) and the increasing concentrations of WEE1i (a), ATRi (b) and CHK1i (c). (d) Illustration of the experimental setup, with incorporation of IdU and CldU shown in red and green, respectively. (e) As shown in (d), MDA-MB-231 cells were incubated with IdU for 10 min as indicated, followed by cisplatin treatment for 3 hours, with or without indicated inhibitor(s) (top) for indicated total 40 min and CIdU was applied for 10 min. Cells were fixed and stained with IdU and CIdU antibodies. Nuclear DNA was counterstained by DAPI. (f) Quantification of indicated part of three separate experiments as in (e) represented as the mean ± SEM. CDKi:Roscovitine.

    Sci Rep, 2017, 7:43517. Roscovitine (Seliciclib,CYC202) purchased from Selleck.

    Inhibition of CDK5 by roscovitine resulted in defective neuronal migration, which was rescued by expression of GFP-Ndel1 (S251E). a, Granular neurons were treated with roscovitine. Western blotting was performed 24 h after start of culture. Aurora-A and NDEL1 displayed similar expression levels with untreated neurons, whereas the levels of phosphorylated Aurora-A and NDEL1 proteins were decreased after treatment with roscovitine. Relative intensities of the bands of Western blotting are shown at the bottom.

    J Hematol Oncol 2012 7, 53. Roscovitine (Seliciclib,CYC202) purchased from Selleck.

  •  

    Chronic treatment with roscovitine attenuates the development of atherosclerosis in ApoE-/- mice. Vehicle, roscovitine or resveratrol were daily administered to ApoE-/- mice under high fat high cholesterol diet, from the age of four weeks old. After 18 weeks of treatment, Oil-Red-O (A) and SA-β-gal (B) staining was performed using aortae collected from all groups of mice.Chronic treatment with roscovitine attenuates the development of atherosclerosis in ApoE-/- mice. Vehicle, roscovitine or resveratrol were daily administered to ApoE-/- mice under high fat high cholesterol diet, from the age of four weeks old. After 18 weeks of treatment, Oil-Red-O (A) and SA-β-gal (B) staining was performed using aortae collected from all groups of mice.

    University of Hong Kong. Roscovitine (Seliciclib,CYC202) purchased from Selleck.

Purity & Quality Control

Choose Selective CDK Inhibitors

Biological Activity

Description Roscovitine (Seliciclib, CYC202) is a potent and selective CDK inhibitor for Cdc2, CDK2 and CDK5 with IC50 of 0.65 μM, 0.7 μM and 0.16 μM in cell-free assays. It shows little effect on CDK4/6. Phase 2.
Targets
CDK5/p35 [1]
(Cell-free assay)
Cdc2/CyclinB [1]
(Cell-free assay)
CDK2/CyclinA [1]
(Cell-free assay)
CDK2/CyclinE [1]
(Cell-free assay)
ERK2 [1]
(Cell-free assay)
0.16 μM 0.65 μM 0.7 μM 0.7 μM 14 μM
In vitro

Roscovitine displays high efficiency and high selectivity towards some cyclin-dependent kinases with IC50 of 0.65, 0.7, 0.7 and 0.16 μM for cdc2/cyclin B, cdk2/cyclin A, cdk2/cyclin E and cdk5/p53, respectively. [1] Roscovitine reversibly inhibits the prophaselmetaphase transition in the micromolar range of starfish oocytes and sea urchin embryos, inhibits in vitro M-phase-promoting factor activity and in vitro DNA synthesis in Xenopus egg extracts, and suppresses the proliferation of mammalian cell lines with an average IC50 of 16 μM. [1] In mesangial cells, Roscovitine results in a dose-dependent reduction of CDK2 activity that at concentrations of 7.5, 12.5 and 25 mM, Roscovitine causes a 25, 50% and 100% decrease in CDK2 activity, respectively. [2] A recent study shows that Roscovitine inhibits cdk5 kinase activity, cell proliferation, multicellular development, and cdk5 nuclear translocation in Dictyostelium discoideum, without affecting the expression of cdk5 protein during axenic growth. [3]

Cell Data
Cell Lines Assay Type Concentration Incubation Time Formulation Activity Description PMID
A3-KAW NEnkVnpIem:5dHigTY5pcWKrdHnvckBCe3OjeR?= MkfrTWM2OD13Lke2NVE3KM7:TR?= NIToOo1USU6JRWK=
MRK-nu-1 MkSxS5Jwf3SqIFnubIljcXSrb36gRZN{[Xl? NFjXTWdKSzVyPUeuNVI6PjlizszN MWHTRW5ITVJ?
NCCIT Mo\JS5Jwf3SqIFnubIljcXSrb36gRZN{[Xl? M2KwVmlEPTB;Nz61OVQ5OiEQvF2= NWnRS5NuW0GQR1XS
JiyoyeP-2003 NWD0[XBwT3Kxd4ToJGlvcGmkaYTpc44hSXO|YYm= MYDJR|UxRThwNUCyOlQh|ryP MV7TRW5ITVJ?
KS-1 NGC3UJBIem:5dHigTY5pcWKrdHnvckBCe3OjeR?= M3jrSGlEPTB;OT60OVc5PSEQvF2= MoDIV2FPT0WU
Becker NWHHRnZJT3Kxd4ToJGlvcGmkaYTpc44hSXO|YYm= M17ZdWlEPTB;OT60OlA5OiEQvF2= NXPTW4w3W0GQR1XS
KARPAS-422 MojSS5Jwf3SqIFnubIljcXSrb36gRZN{[Xl? NETTXFFKSzVyPUmuPVY{OzZizszN NEXoUmdUSU6JRWK=
BB65-RCC MoDwS5Jwf3SqIFnubIljcXSrb36gRZN{[Xl? NYO4SGdkUUN3ME25Mlk4PDl3IN88US=> Mn3CV2FPT0WU
SK-UT-1 MkjsS5Jwf3SqIFnubIljcXSrb36gRZN{[Xl? MUnJR|UxRTFyLkO1JO69VQ>? NVzvcXNyW0GQR1XS
ST486 NXHT[VZuT3Kxd4ToJGlvcGmkaYTpc44hSXO|YYm= NYTXVXdiUUN3ME2xNE4{PTFizszN NX;hTpRkW0GQR1XS
LB831-BLC M{fzZ2dzd3e2aDDJcohq[mm2aX;uJGF{e2G7 MnywTWM2OD1zMT61OlI1KM7:TR?= NYPoenhMW0GQR1XS
COR-L279 NU\TOVF[T3Kxd4ToJGlvcGmkaYTpc44hSXO|YYm= NHPkcZRKSzVyPUGyMlI6ODdizszN MnHEV2FPT0WU
NB1 NEjvXVhIem:5dHigTY5pcWKrdHnvckBCe3OjeR?= M3raOmlEPTB;MUKuN|MxQCEQvF2= NVnWR4t1W0GQR1XS
D-247MG M3vkeWdzd3e2aDDJcohq[mm2aX;uJGF{e2G7 MkXJTWM2OD1zMj6zOVE3KM7:TR?= M2W2WnNCVkeHUh?=
697 M4i4NGdzd3e2aDDJcohq[mm2aX;uJGF{e2G7 M1faVGlEPTB;MUKuOlAxPyEQvF2= MknEV2FPT0WU
GCIY M3:3fGdzd3e2aDDJcohq[mm2aX;uJGF{e2G7 MYHJR|UxRTF{Lki2NVMh|ryP NFP0[HZUSU6JRWK=
RPMI-8402 Mn\iS5Jwf3SqIFnubIljcXSrb36gRZN{[Xl? M1jXZmlEPTB;MUOuOlI3OiEQvF2= NFzrUFhUSU6JRWK=
Raji NVGyWpJyT3Kxd4ToJGlvcGmkaYTpc44hSXO|YYm= M{PCTmlEPTB;MUOuO|g6PCEQvF2= M1fHWXNCVkeHUh?=
MEG-01 NWXtUWx6T3Kxd4ToJGlvcGmkaYTpc44hSXO|YYm= M163PGlEPTB;MUOuPFM4QSEQvF2= MYPTRW5ITVJ?
RPMI-6666 M2K2NWdzd3e2aDDJcohq[mm2aX;uJGF{e2G7 NGPrSpZKSzVyPUGzMlkyOjFizszN NF\pTXJUSU6JRWK=
SCC-3 MnTuS5Jwf3SqIFnubIljcXSrb36gRZN{[Xl? NFXKWohKSzVyPUG0MlI6PTZizszN M4jLR3NCVkeHUh?=
HCC1599 MWjHdo94fGhiSX7obYJqfGmxbjDBd5NigQ>? NX:yTHlsUUN3ME2xOE42QTd3IN88US=> Mn:0V2FPT0WU
OCI-AML2 MnXOS5Jwf3SqIFnubIljcXSrb36gRZN{[Xl? MknTTWM2OD1zNT62OFgzKM7:TR?= NWTO[49CW0GQR1XS
OS-RC-2 NEniPZpIem:5dHigTY5pcWKrdHnvckBCe3OjeR?= MX7JR|UxRTF3LkizPFIh|ryP MlL5V2FPT0WU
NCI-H1304 M4TRSWdzd3e2aDDJcohq[mm2aX;uJGF{e2G7 NYnPW5hxUUN3ME2xOk4{PjBzIN88US=> MVHTRW5ITVJ?
HD-MY-Z NFTTRWVIem:5dHigTY5pcWKrdHnvckBCe3OjeR?= M4Pw[GlEPTB;MU[uPFI1PiEQvF2= NHH2dXpUSU6JRWK=
JAR MYPHdo94fGhiSX7obYJqfGmxbjDBd5NigQ>? MVvJR|UxRTF5LkCxOVIh|ryP Mk\CV2FPT0WU
TGW NIrSdGFIem:5dHigTY5pcWKrdHnvckBCe3OjeR?= NGLxNGtKSzVyPUG3MlgyOjRizszN NX3jRoZ2W0GQR1XS
BC-3 M4jIUWdzd3e2aDDJcohq[mm2aX;uJGF{e2G7 MV3JR|UxRTF6LkCzNFUh|ryP MYLTRW5ITVJ?
A101D NWfhTYg5T3Kxd4ToJGlvcGmkaYTpc44hSXO|YYm= MmezTWM2OD1zOD6zNlA5KM7:TR?= NGDJTnJUSU6JRWK=
COLO-320-HSR NV\WXmFVT3Kxd4ToJGlvcGmkaYTpc44hSXO|YYm= MonSTWM2OD1zOD63Olg5KM7:TR?= MWPTRW5ITVJ?
LC4-1 MXfHdo94fGhiSX7obYJqfGmxbjDBd5NigQ>? NF3Nc4pKSzVyPUG4Mlg4OzRizszN M37hUXNCVkeHUh?=
BC-1 NFfRU5BIem:5dHigTY5pcWKrdHnvckBCe3OjeR?= MVXJR|UxRTF7LkGxPVgh|ryP NESxTFNUSU6JRWK=
MHH-PREB-1 MXvHdo94fGhiSX7obYJqfGmxbjDBd5NigQ>? Mk\MTWM2OD1{MD6wN|U3KM7:TR?= NWj2fWhYW0GQR1XS
BL-70 M3f0c2dzd3e2aDDJcohq[mm2aX;uJGF{e2G7 MV;JR|UxRTJyLkOyO|Qh|ryP MUfTRW5ITVJ?
CESS NHWzXlRIem:5dHigTY5pcWKrdHnvckBCe3OjeR?= MWHJR|UxRTJyLki1OFkh|ryP MlvWV2FPT0WU
ES8 NInvUXZIem:5dHigTY5pcWKrdHnvckBCe3OjeR?= MmHETWM2OD1{MT6wOkDPxE1? NYj5[oQ1W0GQR1XS
NOMO-1 NEKyfIpIem:5dHigTY5pcWKrdHnvckBCe3OjeR?= MYHJR|UxRTJzLkKwNFgh|ryP NXLLUINSW0GQR1XS
ACN MlXzS5Jwf3SqIFnubIljcXSrb36gRZN{[Xl? M1HxS2lEPTB;MkGuN|M5QSEQvF2= M1q1WXNCVkeHUh?=
EB-3 NGjMfVhIem:5dHigTY5pcWKrdHnvckBCe3OjeR?= MXjJR|UxRTJ|LkG4N|Eh|ryP NFK4eWFUSU6JRWK=
LS-513 M2XrSWdzd3e2aDDJcohq[mm2aX;uJGF{e2G7 NGjXU|VKSzVyPUKzMlUyPzlizszN MmjhV2FPT0WU
HH NEHMT4xIem:5dHigTY5pcWKrdHnvckBCe3OjeR?= NHzyW4RKSzVyPUK0MlM5OTlizszN MYfTRW5ITVJ?
IST-SL2 NV73TG1wT3Kxd4ToJGlvcGmkaYTpc44hSXO|YYm= MYjJR|UxRTJ2LkWzOFMh|ryP MmHEV2FPT0WU
HOP-62 MmKxS5Jwf3SqIFnubIljcXSrb36gRZN{[Xl? MlXRTWM2OD1{NT60OFI2KM7:TR?= MUnTRW5ITVJ?
NCI-H2126 NUL1R|QzT3Kxd4ToJGlvcGmkaYTpc44hSXO|YYm= NWXONplIUUN3ME2yOU43PTJ7IN88US=> MVHTRW5ITVJ?
BL-41 M2frRWdzd3e2aDDJcohq[mm2aX;uJGF{e2G7 NGfrU2NKSzVyPUK1Mlk2QTdizszN NHLyVmRUSU6JRWK=
KURAMOCHI M4P4dGdzd3e2aDDJcohq[mm2aX;uJGF{e2G7 MV3JR|UxRTJ4LkiwPFIh|ryP MVvTRW5ITVJ?
KARPAS-299 M4rtRmdzd3e2aDDJcohq[mm2aX;uJGF{e2G7 NX3pTppmUUN3ME2yOk45PjR4IN88US=> Mn;UV2FPT0WU
QIMR-WIL NIq1ZW5Iem:5dHigTY5pcWKrdHnvckBCe3OjeR?= MlmzTWM2OD1{Nz65NVQ1KM7:TR?= NVrXO2p{W0GQR1XS
HL-60 MknxS5Jwf3SqIFnubIljcXSrb36gRZN{[Xl? MVXJR|UxRTJ5Lkm4Olkh|ryP MVvTRW5ITVJ?
TE-9 NX7ZT2d{T3Kxd4ToJGlvcGmkaYTpc44hSXO|YYm= NEXsepBKSzVyPUK4Mlc6PjlizszN MVrTRW5ITVJ?
TE-8 Mnr3S5Jwf3SqIFnubIljcXSrb36gRZN{[Xl? NVHLOWxzUUN3ME2yPE46ODhizszN NF6ydnlUSU6JRWK=
NOS-1 NEm5RpdIem:5dHigTY5pcWKrdHnvckBCe3OjeR?= Mne2TWM2OD1{OD65O|M{KM7:TR?= MnXDV2FPT0WU
GI-1 NYPBdXJmT3Kxd4ToJGlvcGmkaYTpc44hSXO|YYm= M3T6bWlEPTB;MkmuNFEyOyEQvF2= MmHIV2FPT0WU
KM12 NGrDcGRIem:5dHigTY5pcWKrdHnvckBCe3OjeR?= MYXJR|UxRTJ7Lk[yN|kh|ryP NYr2RW83W0GQR1XS
BB30-HNC Mon6S5Jwf3SqIFnubIljcXSrb36gRZN{[Xl? NXvMVmdxUUN3ME2yPU46PDh|IN88US=> NYPCV2hmW0GQR1XS
ES3 MmXTS5Jwf3SqIFnubIljcXSrb36gRZN{[Xl? M4\pcWlEPTB;MkmuPVU5OiEQvF2= Mny1V2FPT0WU
NCI-H510A MlLpS5Jwf3SqIFnubIljcXSrb36gRZN{[Xl? NWLLXXV2UUN3ME2zNE4xOzJ7IN88US=> NFPkN2tUSU6JRWK=
NCI-H82 M3rQT2dzd3e2aDDJcohq[mm2aX;uJGF{e2G7 NFvhZohKSzVyPUOxMlAyOzVizszN M4Tzc3NCVkeHUh?=
NCI-SNU-1 NVnyb2Z4T3Kxd4ToJGlvcGmkaYTpc44hSXO|YYm= NYf0fIlVUUN3ME2zNU4yODV7IN88US=> NXvaSoN1W0GQR1XS
NKM-1 NEXye5BIem:5dHigTY5pcWKrdHnvckBCe3OjeR?= NW\JZoJ2UUN3ME2zNU4yOzl5IN88US=> NFjQ[I5USU6JRWK=
SIG-M5 NIq3[HZIem:5dHigTY5pcWKrdHnvckBCe3OjeR?= MXnJR|UxRTNzLk[4N|Mh|ryP NXfONlV7W0GQR1XS
SK-N-FI MoDlS5Jwf3SqIFnubIljcXSrb36gRZN{[Xl? NWD4eIlnUUN3ME2zNU44PTN3IN88US=> NEnT[GpUSU6JRWK=
LOUCY MoKwS5Jwf3SqIFnubIljcXSrb36gRZN{[Xl? NF\P[nBKSzVyPUOyMlEzPTNizszN M2L4O3NCVkeHUh?=
Calu-6 M3zUeGdzd3e2aDDJcohq[mm2aX;uJGF{e2G7 MWfJR|UxRTN{LkS3OFUh|ryP MXPTRW5ITVJ?
GOTO MmPqS5Jwf3SqIFnubIljcXSrb36gRZN{[Xl? NXfGdZV6UUN3ME2zNk46OTJ7IN88US=> MX\TRW5ITVJ?
NCI-H526 M2H1emdzd3e2aDDJcohq[mm2aX;uJGF{e2G7 M3\UO2lEPTB;M{OuOFk{PiEQvF2= NIrnO4RUSU6JRWK=
RKO Mn\4S5Jwf3SqIFnubIljcXSrb36gRZN{[Xl? MkLjTWM2OD1|Mz61PVY6KM7:TR?= NXzPcG8xW0GQR1XS
NCI-H64 Mn62S5Jwf3SqIFnubIljcXSrb36gRZN{[Xl? MmLxTWM2OD1|Mz64OVk4KM7:TR?= MVHTRW5ITVJ?
LP-1 MljNS5Jwf3SqIFnubIljcXSrb36gRZN{[Xl? MXTJR|UxRTN|Lki5NFgh|ryP MXvTRW5ITVJ?
KGN M{DMS2dzd3e2aDDJcohq[mm2aX;uJGF{e2G7 MmfZTWM2OD1|ND6yOVI1KM7:TR?= NH7VeY5USU6JRWK=
NCI-H2141 M{TmPGdzd3e2aDDJcohq[mm2aX;uJGF{e2G7 NIPOV5FKSzVyPUO0MlY2OzNizszN MXLTRW5ITVJ?
TE-10 NUfMUnJlT3Kxd4ToJGlvcGmkaYTpc44hSXO|YYm= M2HaW2lEPTB;M{SuPVQzOiEQvF2= MlrVV2FPT0WU
K5 M2HQTWdzd3e2aDDJcohq[mm2aX;uJGF{e2G7 M2nz[GlEPTB;M{WuNFg3OSEQvF2= Mlv5V2FPT0WU
IMR-5 M1;RPGdzd3e2aDDJcohq[mm2aX;uJGF{e2G7 NIHmWHFKSzVyPUO1MlMyOzlizszN M4XlbnNCVkeHUh?=
TE-441-T M3HERmdzd3e2aDDJcohq[mm2aX;uJGF{e2G7 MWPJR|UxRTN4LkGxOFgh|ryP MYPTRW5ITVJ?
TE-6 MXjHdo94fGhiSX7obYJqfGmxbjDBd5NigQ>? NXvmUG9FUUN3ME2zOk4{OjR4IN88US=> M3nWcnNCVkeHUh?=
MOLT-4 NUHnUJZsT3Kxd4ToJGlvcGmkaYTpc44hSXO|YYm= M3XVVWlEPTB;M{[uN|I4PiEQvF2= NWPk[WNTW0GQR1XS
COLO-684 NFn3V2VIem:5dHigTY5pcWKrdHnvckBCe3OjeR?= NUXzepRWUUN3ME2zO{4xOTJizszN NXm3fmJVW0GQR1XS
LU-139 MXvHdo94fGhiSX7obYJqfGmxbjDBd5NigQ>? NYKxPHh7UUN3ME2zO{4yQDV4IN88US=> M4jUTHNCVkeHUh?=
OPM-2 NV;ucJBlT3Kxd4ToJGlvcGmkaYTpc44hSXO|YYm= MWDJR|UxRTN5LkK5OFkh|ryP MYjTRW5ITVJ?
ML-2 Mly2S5Jwf3SqIFnubIljcXSrb36gRZN{[Xl? MXjJR|UxRTN5Lk[3NVIh|ryP NUL6fXBXW0GQR1XS
RS4-11 Mlj6S5Jwf3SqIFnubIljcXSrb36gRZN{[Xl? M4fOUWlEPTB;M{euO|A3QSEQvF2= NHSxd2hUSU6JRWK=
MONO-MAC-6 NIDmcW1Iem:5dHigTY5pcWKrdHnvckBCe3OjeR?= NILsVIxKSzVyPUO4MlI1PzdizszN MX7TRW5ITVJ?
NCI-H345 NXXxb4oxT3Kxd4ToJGlvcGmkaYTpc44hSXO|YYm= MoW2TWM2OD1|OD65NVA3KM7:TR?= MlnpV2FPT0WU
NTERA-S-cl-D1 MVfHdo94fGhiSX7obYJqfGmxbjDBd5NigQ>? MV7JR|UxRTN7LkW4OFIh|ryP NF:2XGZUSU6JRWK=
NCI-H1882 MkPiS5Jwf3SqIFnubIljcXSrb36gRZN{[Xl? MWLJR|UxRTRyLkW5PVgh|ryP MmnRV2FPT0WU
LC-1F MnS2S5Jwf3SqIFnubIljcXSrb36gRZN{[Xl? MnLMTWM2OD12MT61O|A2KM7:TR?= NIC3XWpUSU6JRWK=
HT MVLHdo94fGhiSX7obYJqfGmxbjDBd5NigQ>? NH:xcIxKSzVyPUSyMlAxOjhizszN M4\KZnNCVkeHUh?=
MLMA NG\5VmpIem:5dHigTY5pcWKrdHnvckBCe3OjeR?= MYXJR|UxRTR{LkK3PFch|ryP NInPfHRUSU6JRWK=
DG-75 NFHNW4hIem:5dHigTY5pcWKrdHnvckBCe3OjeR?= NYjFS5RpUUN3ME20Nk43PTR4IN88US=> MlLGV2FPT0WU
GI-ME-N MnTzS5Jwf3SqIFnubIljcXSrb36gRZN{[Xl? NHi3VmJKSzVyPUSyMlY3PzFizszN NXPSblA3W0GQR1XS
MS-1 NWDCSpNtT3Kxd4ToJGlvcGmkaYTpc44hSXO|YYm= NFHlRoNKSzVyPUSyMlg6OyEQvF2= MV;TRW5ITVJ?
CGTH-W-1 NUC5[IRwT3Kxd4ToJGlvcGmkaYTpc44hSXO|YYm= NF;TemhKSzVyPUS0Mlk3QTdizszN NISxcotUSU6JRWK=
NCI-H209 NGC1U5dIem:5dHigTY5pcWKrdHnvckBCe3OjeR?= NVTvfpJoUUN3ME20Ok4xOTF3IN88US=> M3PxTnNCVkeHUh?=
LB2518-MEL NVfDWG9yT3Kxd4ToJGlvcGmkaYTpc44hSXO|YYm= NFzDWopKSzVyPUS3MlA1PDhizszN MkfGV2FPT0WU
DU-4475 M{n3TWdzd3e2aDDJcohq[mm2aX;uJGF{e2G7 NIK5foVKSzVyPUS4MlQ6OzdizszN NH3JbmRUSU6JRWK=
LB2241-RCC M{O5UGdzd3e2aDDJcohq[mm2aX;uJGF{e2G7 M13WPWlEPTB;NEiuOlIxOiEQvF2= NYDCWJRjW0GQR1XS
LB771-HNC NEm2b5VIem:5dHigTY5pcWKrdHnvckBCe3OjeR?= MnP0TWM2OD12OD65NlEzKM7:TR?= MlHSV2FPT0WU

... Click to View More Cell Line Experimental Data

In vivo Roscovitine, at a dose of 50 mg/kg, significantly inhibits growth of The Ewing's sarcoma family of tumors (ESFT) xenografts. [4] Roscovitine enhances the antitumor effect of doxorubicin without increased toxicity with a mechanism that involves cell cycle arrest rather than apoptosis in nude mice bearing established MCF7 xenografts. [5]

Protocol

Kinase Assay:[1]
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Enzymes :

Kinases activities are assayed at 30 °C in buffer C. Blank values are subtracted from the data and activities calculated as molar amount of phosphate incorporated in protein acceptor during a 10-minute incubation. Controls are performed with appropriate dilutions of DMSO. In a few cases, phosphorylation of the substrate is assessed by autoradiography after SDS/PAGE. p34cdc2/cyclin B is purified from M-phase starfish (M. glacialis) oocytes by affinity chromatography. It is assayed with 1 mg histone Hl/mL, in the presence of 15 μM [γ-32P]ATP (3000 Ci/mmol; 1 mCi/mL) in a final volume of 30 μL. After a 10-minute incubation at 30 °C, 25-μL aliquots of supernatant are spotted onto pieces of Whatman P81 phosphocellulose paper, and, after 20 seconds, the filters are washed five times (for at least 5 minutes each time) in a solution of 10mL phosphoric acid/L water. The wet filters are transferred into 6-mL plastic scintillation vials, 5 mL ACS scintillation fluid is added and the radioactivity measured in a Packard counter. The kinase activity is expressed as molar amount of phosphate incorporated in histone H1 during a 10-minutes incubation or as a percentage of maximal activity. p33cdk2/cyclin A and p33cdk2/cyclinE are reconstituted from extracts of sf9 insect cells infected with various baculoviruses. Cyclins A and E are fusion proteins with glutathione S-transferase and the complexes are purified on glutathione-agarose beads. Kinase activities are assayed with 1 mg/mL histone H1, in the presence of 15 μM [γ-32P]ATP, during 10 minutes, in a final volume of 30 μL, as described for the p34cdc2/cyclin B kinase. p33cdk5/p35 is purified from bovine brain, excluding the Mono S-chromatographic step. The active fractions from the Superose 12 column are pooled and concentrated to a final concentration of approximately 25 μg enzyme/mL. The kinase is assayed with 1 mg/mL histone HI in the presence of 15 μM [γ-32P]ATP, during 10 minutes in a final volume of 30 μL, as described for the p34cdc2/cyclin B kinase. p33cdk5/cyclin D1 is obtained from insect cell lysates. Cdk4 is a fusion protein with glutathione-S-transferase and the active complex is purified on glutathione-agarose beads. Its kinase activity is assayed with purified retinoblastoma protein (complexed with glutathione-S-transferase) in the presence of 15 μM [γ-32P]ATP, in a final volume of 30 μL. After a 15-minute incubation, 30 μL Laemmli sample buffer is added. The phosphorylated substrate is resolved by 10 % SDS/PAGE and analysed by autoradiography by overnight exposure to Hyperfilm MP and densitometry. p33cdk4/cyclinD 2 is obtained from insect cell lysates. It is assayed with purified retinoblastoma protein (complexed with glutathione-S-transferase) in the presence of 15 μM [γ-32P]ATP in a final volume of 30 μL. After a 30-minute incubation, 30 μL Laemmli sample buffer is added. The phosphorylated substrate is resolved by 10% SDS/PAGE and analysed by autoradiography by overnight exposure to Hyperfilm MP and densitometry. MAP kinase erkl (tagged with glutathione-S-transferase), is expressed in bacteria, purified on glutathione-agarose beads and assayed with 1 mg myelin basic protein/ml in the presence of 15 μM [γ-32P]ATP as described above for the p34cdc2cyclin B kinase. His-tagged erkl and erk2 are activated in vitro by mitogen-activated protein kinase kinase, purified (Ni-affinity and Mono Q) and assayed as described above during 10 minutes in a final volume of 30 μL. Protein kinase C isoforms are purified from baculovirus infected sf9 insect cells and assayed with 1 mg/mL protamine sulfate in the presence of 15 μM [γ-32P]ATP, during 10 minutes at 30 °C, in a final volume of 30 μL. Phosphorylated protamine sulfate is recovered on Whatman P81 phosphocellulose paper as described for the cdc2 kinase. The catalytic subunit of cAMP-dependent protein kinase, purified from bovine heart, is assayed with 1 mg histone Hl/ml, in the presence of 15 μM [γ-32P]ATP as described for the p34cdc2/cyclin B kinase. cGMP-dependent protein kinase, purified to homogeneity from bovine tracheal smooth muscle, is assayed with 1 mg histone Hl/mL, in the presence of 15 μM [γ-32P]ATP as described for the p34cdc2/cyclin B kinase. Casein kinase 2 is isolated from rat liver cytosol and assayed with 1 mg casein/mL and 15 μM [γ-32P]ATP. The substrate is spotted on Whatmann 3MM filters and washed with 10% (mass/vol.) trichloroacetic acid. Myosin light chain kinase, purified from chicken gizzard is assayed in the presence of 100 nM calmodulin, 100 μM CaCl2, 50 mM Hepes, 5 mM MgCI,, 1 mM dithiothreitol and 0.1 mg BSA/ml at pH 7.5 using a synthetic peptide based on the smooth-muscle myosin light-chain phosphorylation site and in the presence of 15 μM [γ-32P]ATP, in a final volume of 50 μL. Incorporation of radioactive phosphate is monitored on phosphocellulose filters as described above. ASK-γ, a plant homologue of GSK-3, is expressed as a glutathione-S-transferase fusion protein in Escherichia coli and purified on glutathione-agarose. ASK-γ kinase is assayed, for 10 minutes at 30 °C, with 5 μg myelin basic protein, in the presence of 15 μM [γ-32P]ATP in a final volume of 30 μL. The phosphorylated myelin basic protein is recovered on Whatman P81 phosphocellulose paper as described for the p34cdc2/cyclin B kinase. Insulin receptor tyrosine kinase domain (CIRK-41) is overexpressed in a baculovirus system and purified to homogeneity. Its kinase activity is assayed, for 10 minutes at 30 °C, with 5 μg Raytide, in the presence of 15 μM [γ-32P]ATP, in a final volume of 30 μL. The phosphorylated Raytide is recovered on Whatman P81 phosphocellulose paper as described for the p34cdc2/cyclin B kinase. c-src kinase is purified from infected Sf9 cells. The v-abl kinase is expressed in E. coli and affinity purified on IgG Affigel 10. Both kinases are assayed for 10 minutes at 30 °C, with 5 μg Raytide, in the presence of 15 μM [γ-32P]ATP, in a final volume of 30 μL. The phosphorylated Raytide is recovered on Whatman P81 phosphocellulose paper as described for the p34cdc2/cyclin B kinase.
Cell Research:[1]
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  • Cell lines: Leukemia, non-small cell lung cancer, colon cancer, central nervous system cancer, melanoma, ovarian cancer, renal cancer, prostate cancer, breast cancer
  • Concentrations: 0.01 - 100 μM
  • Incubation Time: 48 hours
  • Method: 60 human tumour cell lines comprising nine tumor types are cultured for 24 hours prior to a 48-hour continuous exposure to 0.01-100 μM roscovitine. A sulforhodaminine B protein assay is used to estimate the cytotoxicity.
    (Only for Reference)
Animal Research:[4]
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  • Animal Models: A4573 cells are injected s.c. into the right posterior flank of CD1 nu/nu mice.
  • Formulation: Roscovitine is dissolved in either absolute methanol or DMSO and then diluted in 10% Tween 80, 20% N-N-dimethylacetamide, and 70% polyethylene glycol 400.
  • Dosages: ≤50 mg/kg
  • Administration: Administered via i.p.
    (Only for Reference)

Solubility (25°C)

In vitro DMSO 71 mg/mL (200.31 mM)
Ethanol 6 mg/mL (16.92 mM)
Water Insoluble
In vivo Add solvents to the product individually and in order:
1% DMSO+10% Tween 80+20% N-N-dimethylacetamide+69% PEG 400
For best results, use promptly after mixing.
5mg/mL

* Please note that Selleck tests the solubility of all compounds in-house, and the actual solubility may differ slightly from published values. This is normal and is due to slight batch-to-batch variations.

Chemical Information

Molecular Weight 354.45
Formula

C19H26N6O

CAS No. 186692-46-6
Storage powder
Synonyms N/A

Bio Calculators

Molarity Calculator

Molarity Calculator

Calculate the mass, volume or concentration required for a solution. The Selleck molarity calculator is based on the following equation:

Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)

  • Mass
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    Volume
    Molecular Weight

*When preparing stock solutions, please always use the batch-specific molecular weight of the product found on the via label and MSDS / COA (available on product pages).

Dilution Calculator

Dilution Calculator

Calculate the dilution required to prepare a stock solution. The Selleck dilution calculator is based on the following equation:

Concentration (start) x Volume (start) = Concentration (final) x Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2 ( Input Output )

  • C1
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    C2
    V2

* When preparing stock solutions always use the batch-specific molecular weight of the product found on the vial label and MSDS / COA (available online).

The Serial Dilution Calculator Equation

  • Serial Dilutions

  • Computed Result

  • C1=C0/X C1: LOG(C1):
    C2=C1/X C2: LOG(C2):
    C3=C2/X C3: LOG(C3):
    C4=C3/X C4: LOG(C4):
    C5=C4/X C5: LOG(C5):
    C6=C5/X C6: LOG(C6):
    C7=C6/X C7: LOG(C7):
    C8=C7/X C8: LOG(C8):
Molecular Weight Calculator

Molecular Weight Calculator

Enter the chemical formula of a compound to calculate its molar mass and elemental composition:

Total Molecular Weight: g/mol

Tip: Chemical formula is case sensitive. C10H16N2O2 c10h16n2o2

Instructions to calculate molar mass (molecular weight) of a chemical compound:

To calculate molar mass of a chemical compound, please enter its chemical formula and click 'Calculate'.

Definitions of molecular mass, molecular weight, molar mass and molar weight:

Molecular mass (molecular weight) is the mass of one molecule of a substance and is expressed in the unified atomic mass units (u). (1 u is equal to 1/12 the mass of one atom of carbon-12)
Molar mass (molar weight) is the mass of one mole of a substance and is expressed in g/mol.

Molarity Calculator

Mass Concentration Volume Molecular Weight

Clinical Trial Information

NCT Number Recruitment Conditions Sponsor/Collaborators Start Date Phases
NCT02649751 Recruiting Cystic Fibrosis University Hospital, Brest|ManRos Therapeutics|Cyclacel Pharmaceuticals, Inc. February 2016 Phase 2
NCT02160730 Recruiting Cushings Disease Shlomo Melmed, MD|National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)|Cedars-Sinai Medical Center May 2014 Phase 2
NCT01333423 Withdrawn Breast Cancer M.D. Anderson Cancer Center|National Institutes of Health (NIH) September 2012 Phase 1
NCT00999401 Recruiting Advanced Solid Tumors Cyclacel Pharmaceuticals, Inc. April 2009 Phase 1
NCT00372073 Terminated Non-small Cell Lung Cancer Cyclacel Pharmaceuticals, Inc. July 2006 Phase 2

Tech Support

Answers to questions you may have can be found in the inhibitor handling instructions. Topics include how to prepare stock solutions, how to store inhibitors, and issues that need special attention for cell-based assays and animal experiments.

Handling Instructions

Tel: +1-832-582-8158 Ext:3

If you have any other enquiries, please leave a message.

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Frequently Asked Questions

  • Question 1:

    How can I reconstitute the drug for in vivo studies?

  • Answer:

    S1153 in 1% DMSO+10% Tween 80+20% N-N-dimethylacetamide+PEG 400 is a clear solution which is okay for injection. And S1153 in 1% DMSO+30% polyethylene glycol+1% Tween 80 at 30mg/ml is a suspension, which is fine for oral gavage.

CDK Signaling Pathway Map

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Cell Lines Assay Type Concentration Incubation Time Formulation Activity Description PMID