AT7519

Catalog No.S1524

For research use only.

AT7519 is a multi-CDK inhibitor for CDK1, 2, 4, 6 and 9 with IC50 of 10-210 nM. It is less potent to CDK3 and little active to CDK7. AT7519 also inhibits GSK3β with IC50 of 89 nM. AT7519 induces apoptosis. Phase 2.

AT7519 Chemical Structure

CAS No. 844442-38-2

Selleck's AT7519 has been cited by 40 publications

Purity & Quality Control

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Biological Activity

Description AT7519 is a multi-CDK inhibitor for CDK1, 2, 4, 6 and 9 with IC50 of 10-210 nM. It is less potent to CDK3 and little active to CDK7. AT7519 also inhibits GSK3β with IC50 of 89 nM. AT7519 induces apoptosis. Phase 2.
Targets
CDK9/CyclinT [1]
(Cell-free assay)
CDK5/p35 [1]
(Cell-free assay)
CDK2/CyclinA [1]
(Cell-free assay)
GSK-3β [1]
(Cell-free assay)
CDK4/CyclinD1 [1]
(Cell-free assay)
Click to View More Targets
<10 nM 13 nM 47 nM 89 nM 100 nM
In vitro

AT7519 is an ATP competitive CDK inhibitor with a Ki value of 38 nM for CDK1. AT7519 is inactive against all non-CDK kinases with the exception of GSK3β (IC50 = 89 nM). AT7519 shows potent antiproliferative activity in a variety of human tumor cell lines with IC50 values ranging from 40 nM for MCF-7 to 940 nM for SW620 consistent with the inhibition of CDK1 and CDK2. [1] AT7519 induces dose-dependent cytotoxicity in multiple myeloma (MM) cell lines with IC50 values ranging from 0.5 to 2 μM at 48 hours, with the most sensitive cell lines being MM.1S (0.5 μM) and U266 (0.5 μM) and the most resistant MM.1R (>2 μM). It does not induce cytotoxicity in peripheral blood mononuclear cells (PBMNC). AT7519 partially overcomes the proliferative advantage conferred by IL6 and IGF-1 as well as the protective effect of bone marrow stromal cells (BMSCs). AT7519 induces rapid dephosphorylation of RNA pol II CTD at serine 2 and serine 5 sites, and leads to the inhibition of transcription, partially contributing to AT7519 induced cytotoxicity of MM cells. AT7519 induces activation of GSK-3β by down-regulating GSK-3β phosphorylation, which also contributes to AT7519 induced apoptosis independent of the inhibition of transcription. [2]

Cell Data
Cell Lines Assay Type Concentration Incubation Time Formulation Activity Description PMID
HCT116 NUPaU5JxSW62aYDyc4xq\mW{YYTpeoUh[XO|YYm= MVu3NkBpenN? M4iwcmFvfGmycn;sbYZmemG2aY\lJIFkfGm4aYT5JIFo[Wmwc4SgbJVu[W5iSFPUNVE3KGOnbHzzJIF{e2W|c3XkJIF{KGOnbHygeoli[mmuaYT5JIFnfGW{IEeyJIhzeyCkeTDhcIFu[XJiYnz1[UBie3OjeTygTWM2OD1yLkC4Nu69VQ>? MWi8ZUB1[XKpZYS9K39jdGGwazegbJJm\j1paIT0dJM7Ny:ydXLt[YQvdmOkaT7ucI0vdmmqLnfvek8yQDZ3NkmxNUc,OTh4NU[5NVE9N2F-
A2780 NFHLVYVCdnSrcILvcIln\XKjdHn2[UBie3OjeR?= MUG3NkBpenN? MVnBcpRqeHKxbHnm[ZJifGm4ZTDhZ5Rqfmm2eTDh[4FqdnO2IHj1cYFvKEF{N{iwJINmdGy|IHHzd4V{e2WmIHHzJINmdGxidnnhZoltcXS7IHHmeIVzKDd{IHjyd{BjgSCjbHHtZZIh[my3ZTDhd5NigSxiSVO1NF0xNjN3zszN NGO4UoQ9[SC2YYLn[ZQ:L1:kbHHub{chcHKnZk2nbJR1eHN8Lz;weYJu\WRwbnPibU5vdG1wbnnoModwfi9zOE[1OlkyOSd-MUi2OVY6OTF:L3G+
MRC5 M{PBXmFvfGmycn;sbYZmemG2aY\lJIF{e2G7 MUS3NkBpenN? M3HxfmFvfGmycn;sbYZmemG2aY\lJIFkfGm4aYT5JIFo[Wmwc4SgbJVu[W5iTWLDOUBk\WyuczDhd5Nme3OnZDDhd{Bk\WyuII\pZYJqdGm2eTDh[pRmeiB5MjDodpMh[nliYXzhcYFzKGKudXWgZZN{[XluIFnDOVA:OC57ON88US=> M{j1bFxiKHSjcnfleF0oZ2KuYX7rK{BpemWoPTfoeJRxezpxL4D1Zo1m\C6wY3LpMo5tdS6waXiu[493NzF6NkW2PVEyLz5zOE[1OlkyOTxxYU6=
HCT116 M{DD[GZ2dmO2aX;uJIF{e2G7 MoKwTY5pcWKrdHnvckBw\iCFRFuxJIlvKGi3bXHuJGhEXDFzNjDj[YxteyCjc4Pld5Nm\CCjczDQVFEu[WyyaHGoWIhzOzJyKTDwbI9{eGixconsZZRqd25? MlTTQIEhfGG{Z3X0QUdg[myjbnunJIhz\WZ;J3j0eJB{Qi9xcIXicYVlNm6lYnmucoxuNm6raD7nc5YwOTh4NU[5NVEoRjF6NkW2PVEyRC:jPh?=
HCT116 NVvETYRjTnWwY4Tpc44h[XO|YYm= NGH4eGNKdmirYnn0bY9vKG:oIFPET|IhcW5iaIXtZY4hUEOWMUG2JINmdGy|IHHzd4V{e2WmIHHzJHJjMFSqckOyNUkheGixc4Doc5J6dGG2aX;u MXK8ZUB1[XKpZYS9K39jdGGwazegbJJm\j1paIT0dJM7Ny:ydXLt[YQvdmOkaT7ucI0vdmmqLnfvek8yQDZ3NkmxNUc,OTh4NU[5NVE9N2F-
HCT116 M{nMN2Z2dmO2aX;uJIF{e2G7 NUHBTpJqUW6qaXLpeIlwdiCxZjDDSGszKGmwIHj1cYFvKEiFVEGxOkBk\WyuczDhd5Nme3OnZDDhd{BPWE1qVHjyNVk6MSCyaH;zdIhwenmuYYTpc44> M1[0TlxiKHSjcnfleF0oZ2KuYX7rK{BpemWoPTfoeJRxezpxL4D1Zo1m\C6wY3LpMo5tdS6waXiu[493NzF6NkW2PVEyLz5zOE[1OlkyOTxxYU6=
HCT116 MVXDfZRwfG:6aXPpeJkh[XO|YYm= NWrV[JlMPzJiaILz M3;qPGN6fG:2b4jpZ4l1gSCjZ3HpcpN1KGi3bXHuJGhEXDFzNjDj[YxteyCjc4Pld5Nm\CCjczDndo94fGhiaX7obYJqfGmxbjDh[pRmeiB5MjDodpMh[nliQXzhcYFzKGKudXWgZZN{[XluIFnDOVA:OC5yON88US=> MlflQIEhfGG{Z3X0QUdg[myjbnunJIhz\WZ;J3j0eJB{Qi9xcIXicYVlNm6lYnmucoxuNm6raD7nc5YwOjZzMUW1O|EoRjJ4MUG1OVcyRC:jPh?=
Sf21 NFmwZVhHfW6ldHnvckBie3OjeR?= NYjpZoE4UW6qaXLpeIlwdiCxZjDy[YNwdWKrbnHueEBpfW2jbjDmeYxtKGynbnf0bEBPNXSncn3pcoFtKEirc{[teIFo\2WmIFPET|UwVi22ZYLtbY5idCCJU2SteIFo\2WmIICyOUBmgHC{ZYPz[YQhcW5iYnHjeYxwfmm{dYOgbY5n\WO2ZXSgV4YzOSCrboPlZ5Qh[2WubIOgeZNqdmdiaHnzeI9v\SCKMTDhd{B{fWK|dILheIUtKEurPUCuNFE5|ryP NV3DendvRGFidHHy[4V1RSehYnzhcosoKGi{ZX[9K4h1fHC|Oj:vdJVjdWWmLn7jZokvdmyvLn7pbE5od3ZxMkexO|ExOzZpPkK3NVcyODN4PD;hQi=>
Sf21 NULuVYN5TnWwY4Tpc44h[XO|YYm= NGftO2FKdmirYnn0bY9vKG:oIHj1cYFvKG[3bHygcIVv\3SqIFOteIVzdWmwYXygTIl{Pi22YXfn[YQhS0SNMj;OMZRmem2rbnHsJGdUXC22YXfn[YQh[3mlbHnuJGEh\XiycnXzd4VlKGmwIHLhZ5Vtd3[rcoXzJIlv\mWldHXkJHNnOjFiaX7z[YN1KGOnbHzzJJV{cW6pIHjpd5RwdmViSEGgZZMhe3Wkc4TyZZRmNCCNaU2wMlA1PM7:TR?= MkXZQIEhfGG{Z3X0QUdg[myjbnunJIhz\WZ;J3j0eJB{Qi9xcIXicYVlNm6lYnmucoxuNm6raD7nc5YwOjdzN{GwN|YoRjJ5MUexNFM3RC:jPh?=
sf cells M1jWO2Z2dmO2aX;uJIF{e2G7 MVfJcohq[mm2aX;uJI9nKHKnY3;tZolv[W62IHj1cYFvKE5vdHXycYlv[WxiR2PUMZRi\2enZDDDSGs1N2O7Y3zpckBFOSCneIDy[ZN{\WRiaX6gZoFkfWyxdnnyeZMhcW6oZXP0[YQhe2ZiY3XscJMtKEurPUCuNFY4|ryP NGPHbm49[SC2YYLn[ZQ:L1:kbHHub{chcHKnZk2nbJR1eHN8Lz;weYJu\WRwbnPibU5vdG1wbnnoModwfi9{N{G3NVA{Pid-MkexO|ExOzZ:L3G+
Sf21 NX3MTmVuTnWwY4Tpc44h[XO|YYm= M123fmlvcGmkaYTpc44hd2ZicnXjc41jcW6jboSgbJVu[W5iZoXscEBt\W6pdHigR{11\XKvaX7hcEBJcXN4LYTh[4dm\CCFRFu5M4N6[2yrbjDUNUBmgHC{ZYPz[YQhcW5iYnHjeYxwfmm{dYOgbY5n\WO2ZXSgV4YzOSCrboPlZ5Qh[2WubIOgeZNqdmdiUFTLeIll\SCjczDzeYJ{fHKjdHWsJGtqRDBwMd88US=> NYLIbnVnRGFidHHy[4V1RSehYnzhcosoKGi{ZX[9K4h1fHC|Oj:vdJVjdWWmLn7jZokvdmyvLn7pbE5od3ZxMkexO|ExOzZpPkK3NVcyODN4PD;hQi=>
Sf21 M2TE[2Z2dmO2aX;uJIF{e2G7 MnWzTY5pcWKrdHnvckBw\iCqdX3hckBnfWyuIHzlcod1cCCFLYTldo1qdmGuIFjpd|YufGGpZ3XkJGNFUzFxTj30[ZJucW6jbDDHV3QufGGpZ3XkJIN6[2yrbjDCJIV5eHKnc4Pl[EBqdiCkYXP1cI93cXK3czDpcoZm[3SnZDDT[lIyKGmwc3XjeEBk\WyuczD1d4lv\yCqaYP0c45mKEhzIHHzJJN2[nO2cnH0[UwhU2l;MD6xPe69VQ>? MlK0QIEhfGG{Z3X0QUdg[myjbnunJIhz\WZ;J3j0eJB{Qi9xcIXicYVlNm6lYnmucoxuNm6raD7nc5YwOjdzN{GwN|YoRjJ5MUexNFM3RC:jPh?=
Sf21 NWnMNZdqTnWwY4Tpc44h[XO|YYm= MWnJcohq[mm2aX;uJI9nKHKnY3;tZolv[W62IHj1cYFvKG[3bHygcIVv\3SqIFOteIVzdWmwYXygTIl{Pi22YXfn[YQhS0SNMj;OMZRmem2rbnHsJGdUXC22YXfn[YQh[3mlbHnuJGUh\XiycnXzd4VlKGmwIHLhZ5Vtd3[rcoXzJIlv\mWldHXkJHNnOjFiaX7z[YN1KGOnbHzzJJV{cW6pIHjpd5RwdmViSEGgZZMhe3Wkc4TyZZRmNCCNaU2wMlUy|ryP NFm3[IE9[SC2YYLn[ZQ:L1:kbHHub{chcHKnZk2nbJR1eHN8Lz;weYJu\WRwbnPibU5vdG1wbnnoModwfi9{N{G3NVA{Pid-MkexO|ExOzZ:L3G+
Sf21 NFPvNpJHfW6ldHnvckBie3OjeR?= M3vkSGlvcGmkaYTpc44hd2ZicnXjc41jcW6jboSgbJVu[W5iZoXscEBt\W6pdHigR{11\XKvaX7hcEBJcXN4LYTh[4dm\CCFRFu3M4N6[2yrbjDIM24ufGW{bXnuZYwhT1OWLYTh[4dm\CCPQWSxJIV5eHKnc4Pl[EBqdiCkYXP1cI93cXK3czDpcoZm[3SnZDDT[lIyKGmwc3XjeEBk\WyuczD1d4lv\yClZHu3JJN2[nO2cnH0[UBx\XC2aXTlMEBMcT1{LklOwG0> M3e0Z|xiKHSjcnfleF0oZ2KuYX7rK{BpemWoPTfoeJRxezpxL4D1Zo1m\C6wY3LpMo5tdS6waXiu[493NzJ5MUexNFM3Lz5{N{G3NVA{PjxxYU6=
TC32 MmXwdWhVWyCjc4PhfS=> NGSxfHNyUFSVIH;mJJBm\GmjdILpZ{Bk[W6lZYKgZ4VtdCCuaX7ld{B1dyCrZHXueIlngSCvdXz0bZBt\SCxcIDvdpR2dmm2aXXzJIZweiCmcoXnJJJmeHW{cH;zbY5oQiCScnntZZJ6KHOlcnXlckBnd3JiVFOzNkBk\Wyucx?= NXnUV5RSRGFidHHy[4V1RSehYnzhcosoKGi{ZX[9K4h1fHC|Oj:vdJVjdWWmLn7jZokvdmyvLn7pbE5od3ZxMkm0N|UyOzlpPkK5OFM2OTN7PD;hQi=>
DAOY M4XUWpFJXFNiYYPzZZk> M{[1XJFJXFNib3[gdIVlcWG2cnnjJINidmOncjDj[YxtKGyrbnXzJJRwKGmmZX70bYZ6KG23bITpdIxmKG:ycH;yeJVvcXSrZYOg[o9zKGS{dXegdoVxfXKyb4Ppcoc7KFC{aX3hdpkhe2O{ZXXuJIZweiCGQV;ZJINmdGy| NX;v[ZRMRGFidHHy[4V1RSehYnzhcosoKGi{ZX[9K4h1fHC|Oj:vdJVjdWWmLn7jZokvdmyvLn7pbE5od3ZxMkm0N|UyOzlpPkK5OFM2OTN7PD;hQi=>
SJ-GBM2 MmTNdWhVWyCjc4PhfS=> M1L2NZFJXFNib3[gdIVlcWG2cnnjJINidmOncjDj[YxtKGyrbnXzJJRwKGmmZX70bYZ6KG23bITpdIxmKG:ycH;yeJVvcXSrZYOg[o9zKGS{dXegdoVxfXKyb4Ppcoc7KFC{aX3hdpkhe2O{ZXXuJIZweiCVSj3HRm0zKGOnbHzz NIjEepY9[SC2YYLn[ZQ:L1:kbHHub{chcHKnZk2nbJR1eHN8Lz;weYJu\WRwbnPibU5vdG1wbnnoModwfi9{OUSzOVE{QSd-Mkm0N|UyOzl:L3G+
A673 MYDxTHRUKGG|c3H5 MmHTdWhVWyCxZjDw[YRq[XS{aXOgZ4Fv[2W{IHPlcIwhdGmwZYOgeI8hcWSnboTp[pkhdXWudHnwcIUhd3Cyb4L0eY5qfGmnczDmc5Ih\HK3ZzDy[ZB2enCxc3nu[|ohWHKrbXHyfUB{[3KnZX6g[o9zKEF4N{OgZ4VtdHN? NHOzeZA9[SC2YYLn[ZQ:L1:kbHHub{chcHKnZk2nbJR1eHN8Lz;weYJu\WRwbnPibU5vdG1wbnnoModwfi9{OUSzOVE{QSd-Mkm0N|UyOzl:L3G+
SK-N-MC NIPaNlVyUFSVIHHzd4F6 NF3qPIlyUFSVIH;mJJBm\GmjdILpZ{Bk[W6lZYKgZ4VtdCCuaX7ld{B1dyCrZHXueIlngSCvdXz0bZBt\SCxcIDvdpR2dmm2aXXzJIZweiCmcoXnJJJmeHW{cH;zbY5oQiCScnntZZJ6KHOlcnXlckBnd3JiU1utUk1OSyClZXzsdy=> M2ftZlxiKHSjcnfleF0oZ2KuYX7rK{BpemWoPTfoeJRxezpxL4D1Zo1m\C6wY3LpMo5tdS6waXiu[493NzJ7NEO1NVM6Lz5{OUSzOVE{QTxxYU6=
BT-37 NUjlVXE2eUiWUzDhd5NigQ>? MofwdWhVWyCxZjDw[YRq[XS{aXOgZ4Fv[2W{IHPlcIwhdGmwZYOgeI8hcWSnboTp[pkhdXWudHnwcIUhd3Cyb4L0eY5qfGmnczDmc5Ih\HK3ZzDy[ZB2enCxc3nu[|ohWHKrbXHyfUB{[3KnZX6g[o9zKEKWLUO3JINmdGy| MXG8ZUB1[XKpZYS9K39jdGGwazegbJJm\j1paIT0dJM7Ny:ydXLt[YQvdmOkaT7ucI0vdmmqLnfvek8zQTR|NUGzPUc,Ojl2M{WxN|k9N2F-
NB-EBc1 NHnQbm9yUFSVIHHzd4F6 MYLxTHRUKG:oIIDl[IlifHKrYzDjZY5k\XJiY3XscEBtcW6nczD0c{Bq\GWwdHnmfUBufWy2aYDs[UBweHCxcoT1col1cWW|IH\vdkBlenWpIILldJVzeG:|aX7nPkBRemmvYYL5JJNkemWnbjDmc5IhVkJvRVLjNUBk\Wyucx?= NGW4cY89[SC2YYLn[ZQ:L1:kbHHub{chcHKnZk2nbJR1eHN8Lz;weYJu\WRwbnPibU5vdG1wbnnoModwfi9{OUSzOVE{QSd-Mkm0N|UyOzl:L3G+
Saos-2 MlfDdWhVWyCjc4PhfS=> NYTT[IZEeUiWUzDv[kBx\WSrYYTybYMh[2GwY3XyJINmdGxibHnu[ZMhfG9iaXTlcpRq\nlibYXseIlxdGVib4Dwc5J1fW6rdHnld{Bnd3JiZIL1[{Bz\XC3coDvd4lv\zpiUILpcYFzgSC|Y4Ll[Y4h\m:{IGPhc5MuOiClZXzsdy=> M2nLflxiKHSjcnfleF0oZ2KuYX7rK{BpemWoPTfoeJRxezpxL4D1Zo1m\C6wY3LpMo5tdS6waXiu[493NzJ7NEO1NVM6Lz5{OUSzOVE{QTxxYU6=
SK-N-SH M37Bd5FJXFNiYYPzZZk> MnqxdWhVWyCxZjDw[YRq[XS{aXOgZ4Fv[2W{IHPlcIwhdGmwZYOgeI8hcWSnboTp[pkhdXWudHnwcIUhd3Cyb4L0eY5qfGmnczDmc5Ih\HK3ZzDy[ZB2enCxc3nu[|ohWHKrbXHyfUB{[3KnZX6g[o9zKFONLV6tV2gh[2WubIO= NGnK[4M9[SC2YYLn[ZQ:L1:kbHHub{chcHKnZk2nbJR1eHN8Lz;weYJu\WRwbnPibU5vdG1wbnnoModwfi9{OUSzOVE{QSd-Mkm0N|UyOzl:L3G+
BT-12 M2DtdZFJXFNiYYPzZZk> Ml7EdWhVWyCxZjDw[YRq[XS{aXOgZ4Fv[2W{IHPlcIwhdGmwZYOgeI8hcWSnboTp[pkhdXWudHnwcIUhd3Cyb4L0eY5qfGmnczDmc5Ih\HK3ZzDy[ZB2enCxc3nu[|ohWHKrbXHyfUB{[3KnZX6g[o9zKEKWLUGyJINmdGy| M{PQclxiKHSjcnfleF0oZ2KuYX7rK{BpemWoPTfoeJRxezpxL4D1Zo1m\C6wY3LpMo5tdS6waXiu[493NzJ7NEO1NVM6Lz5{OUSzOVE{QTxxYU6=
OHS-50 M3HteZFJXFNiYYPzZZk> MlHNdWhVWyCxZjDw[YRq[XS{aXOgZ4Fv[2W{IHPlcIwhdGmwZYOgeI8hcWSnboTp[pkhdXWudHnwcIUhd3Cyb4L0eY5qfGmnczDmc5Ih\HK3ZzDy[ZB2enCxc3nu[|ohWHKrbXHyfUB{[3KnZX6g[o9zKE:KUz21NEBk\Wyucx?= M3zGVlxiKHSjcnfleF0oZ2KuYX7rK{BpemWoPTfoeJRxezpxL4D1Zo1m\C6wY3LpMo5tdS6waXiu[493NzJ7NEO1NVM6Lz5{OUSzOVE{QTxxYU6=
RD MoqydWhVWyCjc4PhfS=> MorRdWhVWyCxZjDw[YRq[XS{aXOgZ4Fv[2W{IHPlcIwhdGmwZYOgeI8hcWSnboTp[pkhdXWudHnwcIUhd3Cyb4L0eY5qfGmnczDmc5Ih\HK3ZzDy[ZB2enCxc3nu[|ohWHKrbXHyfUB{[3KnZX6g[o9zKFKGIHPlcIx{ MnrkQIEhfGG{Z3X0QUdg[myjbnunJIhz\WZ;J3j0eJB{Qi9xcIXicYVlNm6lYnmucoxuNm6raD7nc5YwOjl2M{WxN|koRjJ7NEO1NVM6RC:jPh?=
MG 63 (6-TG R) NHfqNoFyUFSVIHHzd4F6 MUHxTHRUKG:oIIDl[IlifHKrYzDjZY5k\XJiY3XscEBtcW6nczD0c{Bq\GWwdHnmfUBufWy2aYDs[UBweHCxcoT1col1cWW|IH\vdkBlenWpIILldJVzeG:|aX7nPkBRemmvYYL5JJNkemWnbjDmc5IhVUdiNkOgLFYuXEdiUjmgZ4VtdHN? Ml62QIEhfGG{Z3X0QUdg[myjbnunJIhz\WZ;J3j0eJB{Qi9xcIXicYVlNm6lYnmucoxuNm6raD7nc5YwOjl2M{WxN|koRjJ7NEO1NVM6RC:jPh?=
Rh41 MnnGdWhVWyCjc4PhfS=> Mk\DdWhVWyCxZjDw[YRq[XS{aXOgZ4Fv[2W{IHPlcIwhdGmwZYOgeI8hcWSnboTp[pkhdXWudHnwcIUhd3Cyb4L0eY5qfGmnczDmc5Ih\HK3ZzDy[ZB2enCxc3nu[|ohWHKrbXHyfUB{[3KnZX6g[o9zKFKqNEGgZ4VtdHN? M4LXXFxiKHSjcnfleF0oZ2KuYX7rK{BpemWoPTfoeJRxezpxL4D1Zo1m\C6wY3LpMo5tdS6waXiu[493NzJ7NEO1NVM6Lz5{OUSzOVE{QTxxYU6=
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Assay
Methods Test Index PMID
Growth inhibition assay Cell viability 20101221
Western blot CDK1 / CDK2 / CDK4 / Cyclin B1 / Cyclin E / CDK9 / CDK5 / CDK6 / Cyclin D1 / Cyclin A 20101221
In vivo A twice daily dosing of AT7519 (9.1 mg/kg) causes tumor regression of both early-stage and advanced-stage s.c. tumors in the HCT116 and HT29 colon cancer xenograft models. [1] AT7519 treatment (15 mg/kg) inhibits tumor growth and prolongs the median overall survival of mice in the human MM xenograft mouse model in association with increased caspase 3 activation. [2]

Protocol (from reference)

Kinase Assay:[1]
  • In vitro Kinase Assays:

    Kinase assays for CDK1, CDK2 and GSK3-β are all carried out in a radiometric filter binding format. Assays for CDK5 are in DELFIA format and for CDKs 4 and 6 in ELISA format. For CDKs 1 and 2, the relevant CDK and 0.12 μg/mL Histone H1 are incubated in 20 mM MOPS, pH 7.2, 25 mM β-glycerophosphate, 5 mM EDTA, 15 mM MgCl2, 1 mM sodium orthovanadate, 1 mM DTT, 0.1 mg/mL BSA, 45 μM ATP (0.78 Ci/mmol) and different concentrations of AT7519 for 2 or 4 hours respectively. For GSK3-β, the relevant enzyme and 5 μM glycogen synthase peptide 2 along with 10 mM MOPS pH 7.0, 0.1 mg/mL BSA, 0.001% Brij-35, 0.5% glycerol, 0.2 mM EDTA, 10 mM MgCl2, 0.01% β-mercaptoethanol, 15 μM ATP (2.31 Ci/mmol) and different concentrations of AT7519 are incubated for 3 hours. Assay reactions are stopped by adding an excess of orthophosphoric acid and filtered using Millipore MAPH filter plates. The plates are then washed, scintillant added and radioactivity measured by scintillation counting on a Packard TopCount. For CDK5, CDK5/p35 and 1μM of a biotinylated Histone H1 peptide (Biotin-PKTPKKAKKL) are incubated in 25 mM Tris-HCl, pH 7.5, 2.5 mM MgCl2, 0.025% Brij-35, 0.1 mg/mL BSA, 1 mM DTT, 15 μM ATP and different concentrations of AT7519 for 30 minutes. Assay reactions are stopped using EDTA, transferred to Neutravidin-coated plates and phosphorylated peptide quantified by means of a rabbit phospho-cdk1 substrate polyclonal antibody and DELFIA europium-labelled anti-rabbit IgG secondary antibody using time-resolved fluorescence at λex=335nm, λem=620nm. For CDK 4 and 6 assays, plates are coated with GST- pRb769-921 and blocked with Superblock. CDK4 or 6 is incubated with 15 mM MgCl2, 50 mM HEPES, pH 7.4, 1 mM DTT, 1 mM EGTA, pH 8.0, 0.02% Triton X-100, 2.5% DMSO and different concentrations of AT7519; the reaction is initiated by addition of ATP. After 30 minutes, reactions are stopped by the addition of 0.5 M EDTA pH 8.0. Plates are then washed and incubated for one hour with the primary antibody (anti- p-Rb Serine 780) diluted in Superblock followed by secondary antibody (alkaline phosphatase linked anti-rabbit) for a further hour. Plates are developed using the Attophos system and fluorescence read on a Spectramax Gemini plate reader at excitation 450 nm and emission 580 nm. In all cases, IC50 values are calculated from replicate curves, using GraphPad Prism software.

Cell Research:[2]
  • Cell lines: MM.1S, MM.1R, RPMI8226, U266, RPMI8266, RPMI-Dox40, OPM1 cells, primary MM cells and PBMNCs
  • Concentrations: Dissolved in DMSO at a concentration of 10 mM, final concentrations 0.25-4 μM
  • Incubation Time: 24 or 48 hours
  • Method: Cells are incubated with different concentrations of AT7519 for 24 or 48 hours at 37 °C. Cell viability is assessed by measuring 3-(4,5-dimethylthiazol-2-yl)-2,5 diphenyl tetrasodium bromide (MTT) dye absorbance. DNA synthesis is measured by tritiated thymidine uptake (3H-TdR). Apoptosis is assessed by using Annexin V/PI staining. The percentage of cells undergoing apoptosis is defined as the sum of early apoptosis (Annexin V-positive cells) and late apoptosis (Annexin V-positive and PI-positive cells
Animal Research:[2]
  • Animal Models: Male SCID mice inoculated subcutaneously with MM.1S cells
  • Dosages: 15 mg/kg/day
  • Administration: Dosed i.p.

Solubility (25°C)

In vitro

DMSO 10 mg/mL
(26.16 mM)
Water Insoluble
Ethanol Insoluble

In vivo

Add solvents to the product individually and in order
(Data is from Selleck tests instead of citations):
2% DMSO+30% PEG 300+2% Tween 80+ddH2O
For best results, use promptly after mixing.

1mg/mL

Chemical Information

Molecular Weight 382.24
Formula

C16H17Cl2N5O2

CAS No. 844442-38-2
Storage 3 years -20°C powder
2 years -80°C in solvent
Smiles C1CNCCC1NC(=O)C2=C(C=NN2)NC(=O)C3=C(C=CC=C3Cl)Cl

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Working concentration: mg/ml;

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Method for preparing in vivo formulation: Take μL DMSO master liquid, next addμL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH2O, mix and clarify.

Method for preparing in vivo formulation: Take μL DMSO master liquid, next add μL Corn oil, mix and clarify.

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Mass Concentration Volume Molecular Weight

Clinical Trial Information

NCT Number Recruitment Interventions Conditions Sponsor/Collaborators Start Date Phases
NCT01183949 Completed Drug: AT7519M|Drug: Bortezomib Multiple Myeloma Astex Pharmaceuticals Inc.|Multiple Myeloma Research Consortium November 2010 Phase 1|Phase 2

(data from https://clinicaltrials.gov, updated on 2022-01-17)

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

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