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1. Linhua Liu,Yiguo Jiang, Hongyu Zhang, Anne R. Greenlee, Rian Yu and Qiaoyuan Yang. MiR-22 functions as a micro-oncogene in transformed human bronchial epithelial cells induced by anti-benzo[a]pyrene-7,8-diol-9,10-epoxide.Toxicology in vitro.2010; PMID: 20170724

2. Linhua Liu,Yiguo Jiang,Hongyu Zhang,Anne R.Greenlee and Zhiyuan Han.Overexpressed miR-494 down-regulates PTEN gene expression in cells transformed by anti-benzo(a)pyrene-trans-7,8-dihydrodiol-9,10-epoxide.Life Sciences.2010;86(5-6):192-198.
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×÷Õß: Liu LH (Liu, Linhua)1, Jiang YG (Jiang, Yiguo)1, Zhang HY (Zhang, Hongyu)3, Greenlee AR (Greenlee, Anne R.)2, Han ZY (Han, Zhiyuan)1  
À´Ô´³ö°æÎï: LIFE SCIENCES    ¾í: 86    ÆÚ: 5-6    Ò³: 192-198    ³ö°æÄê: JAN 30 2010   
±»ÒýƵ´Î: 0     ²Î¿¼ÎÄÏ×: 38     ÒýÖ¤¹ØÏµÍ¼      
ÕªÒª: Aims: We investigated the functionality of miR-494 in anti-benzo(a)pyrene-trans-7,8-dihydrodiol-9,10-epoxide (anti-BPDE)-transformed human bronchial epithelial cell 16HBE to reveal its potential target coding-gene.
Main methods: The expression of mature miR-494 in cells was detected by miRNA-specific quantitative real-time polymerase chain reaction (QRT-PCR). QRT-PCR and Western blot were used to identify the expression of phosphatase and tensin homolog (PTEN) mRNA and protein. Following activation or inhibition of mature miRNA expression with precursors or antisense inhibitors, PTEN expression, luciferase activities, cell apoptosis, cell growth in soft agar and cell motility were analyzed.

Key findings: The expression of miR-494 increased while PTEN protein appeared to be lower in malignant transformed 16HBE cells. Enforced miR-494 level decreased PTEN protein expression compared to a negative precursor control group. Inhibition of miR-494 expression increased PTEN protein expression compared to negative inhibitor control group. Decreased expression of miR-494 increased caspase-3/7 activities in transformed 16HBE cells, and increased expression of miR-494 decreased this activity. Inhibition of miR-494 also decreased the malignancy of transformed cells.

Significance: MiR-494 regulates the expression of PTEN post-transcriptionally and functions as a micro-oncogene in carcinogenesis induced by anti-BPDE. MiR-494 may be a useful target for gene therapy. (C) 2009 Elsevier Inc. All rights reserved.

ÎÄÏ×ÀàÐÍ: Article  
ÓïÑÔ: English  
×÷Õ߹ؼü´Ê: Anti-BPDE; Cell transformation; MicroRNA; MiR-494; PTEN  
KeyWords Plus: LUNG-CANCER CELLS; MICRORNA EXPRESSION; PHOSPHORYLATED AKT; GROWTH; PROGNOSIS; CARCINOMA; APOPTOSIS; PROFILES; MIR-21; MIRNAS  
ͨѶ×÷ÕßµØÖ·: Jiang, YG (ͨѶ×÷Õß), Guangzhou Med Univ, Inst Chem Carcinogenesis, State Key Lab Resp Dis, 195 Dongfengxi Rd, Guangzhou 510182, Guangdong Peoples R China  
µØÖ·:
1. Guangzhou Med Univ, Inst Chem Carcinogenesis, State Key Lab Resp Dis, Guangzhou 510182, Guangdong Peoples R China
2. Jackson Lab, Stem Cell & Primary Cell Facil, Bar Harbor, ME 04609 USA
3. Sun Yat Sen Univ, Dept Med Oncol, Affiliated Hosp 1, Zhuhai 519000, Peoples R China  
µç×ÓÓʼþµØÖ·: jiangyiguo@yahoo.com  
»ù½ð×ÊÖúÖÂл:
»ù½ð×ÊÖú»ú¹¹ ÊÚȨºÅ
National Natural Science Foundation of China  30571546
30771780  
Scientific Research Foundation of the State Education Ministry for Returned Overseas Chinese Scholars  2007-24  
Natural Science Foundation of Guangdong Province  07117550
9251018201000004  
Natural Science Key Program of Higher Education Institutions of Guangdong Province, China  06Z021  
Science and Technology Program of Guangzhou Bureau of Education, China  08A093  

[ÏÔʾ»ù½ð×ÊÖúÐÅÏ¢]   

This work was supported by the National Natural Science Foundation of China (30571546, 30771780), the Scientific Research Foundation of the State Education Ministry for Returned Overseas Chinese Scholars (2007-24), the Natural Science Foundation of Guangdong Province (07117550, 9251018201000004), the Natural Science Key Program of Higher Education Institutions of Guangdong Province, China (06Z021) and the Science and Technology Program of Guangzhou Bureau of Education, China (08A093).

³ö°æÉÌ: PERGAMON-ELSEVIER SCIENCE LTD, THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND  
IDS ºÅ: 552UC  
ISSN: 0024-3205  
DOI: 10.1016/j.lfs.2009.12.002
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lhliu2087(½ð±Ò+2): 2010-03-03 20:42
2¥ûÓиø³ö¹Ø¼üµÄSCI¼ìË÷ºÅ£¬ÍêÕûµÄÐÅÏ¢ÈçÏ£º
FN ISI Export Format
VR 1.0
PT J
AU Liu, LH
   Jiang, YG
   Zhang, HY
   Greenlee, AR
   Han, ZY
AF Liu, Linhua
   Jiang, Yiguo
   Zhang, Hongyu
   Greenlee, Anne R.
   Han, Zhiyuan
TI Overexpressed miR-494 down-regulates PTEN gene expression in cells
   transformed by anti-benzo(a)pyrene-trans-7,8-dihydrodiol-9,10-epoxide
SO LIFE SCIENCES
LA English
DT Article
DE Anti-BPDE; Cell transformation; MicroRNA; MiR-494; PTEN
ID LUNG-CANCER CELLS; MICRORNA EXPRESSION; PHOSPHORYLATED AKT; GROWTH;
   PROGNOSIS; CARCINOMA; APOPTOSIS; PROFILES; MIR-21; MIRNAS
AB Aims: We investigated the functionality of miR-494 in
   anti-benzo(a)pyrene-trans-7,8-dihydrodiol-9,10-epoxide
   (anti-BPDE)-transformed human bronchial epithelial cell 16HBE to reveal
   its potential target coding-gene.
   Main methods: The expression of mature miR-494 in cells was detected by
   miRNA-specific quantitative real-time polymerase chain reaction
   (QRT-PCR). QRT-PCR and Western blot were used to identify the
   expression of phosphatase and tensin homolog (PTEN) mRNA and protein.
   Following activation or inhibition of mature miRNA expression with
   precursors or antisense inhibitors, PTEN expression, luciferase
   activities, cell apoptosis, cell growth in soft agar and cell motility
   were analyzed.
   Key findings: The expression of miR-494 increased while PTEN protein
   appeared to be lower in malignant transformed 16HBE cells. Enforced
   miR-494 level decreased PTEN protein expression compared to a negative
   precursor control group. Inhibition of miR-494 expression increased
   PTEN protein expression compared to negative inhibitor control group.
   Decreased expression of miR-494 increased caspase-3/7 activities in
   transformed 16HBE cells, and increased expression of miR-494 decreased
   this activity. Inhibition of miR-494 also decreased the malignancy of
   transformed cells.
   Significance: MiR-494 regulates the expression of PTEN
   post-transcriptionally and functions as a micro-oncogene in
   carcinogenesis induced by anti-BPDE. MiR-494 may be a useful target for
   gene therapy. (C) 2009 Elsevier Inc. All rights reserved.
C1 [Liu, Linhua; Jiang, Yiguo; Han, Zhiyuan] Guangzhou Med Univ, Inst Chem Carcinogenesis, State Key Lab Resp Dis, Guangzhou 510182, Guangdong, Peoples R China.
   [Greenlee, Anne R.] Jackson Lab, Stem Cell & Primary Cell Facil, Bar Harbor, ME 04609 USA.
   [Zhang, Hongyu] Sun Yat Sen Univ, Dept Med Oncol, Affiliated Hosp 1, Zhuhai 519000, Peoples R China.
RP Jiang, YG, Guangzhou Med Univ, Inst Chem Carcinogenesis, State Key Lab
   Resp Dis, 195 Dongfengxi Rd, Guangzhou 510182, Guangdong, Peoples R
   China.
EM jiangyiguo@yahoo.com
FU National Natural Science Foundation of China [30571546, 30771780];
   Scientific Research Foundation of the State Education Ministry for
   Returned Overseas Chinese Scholars [2007-24]; Natural Science
   Foundation of Guangdong Province [07117550, 9251018201000004]; Natural
   Science Key Program of Higher Education Institutions of Guangdong
   Province, China [06Z021]; Science and Technology Program of Guangzhou
   Bureau of Education, China [08A093]
FX This work was supported by the National Natural Science Foundation of
   China (30571546, 30771780), the Scientific Research Foundation of the
   State Education Ministry for Returned Overseas Chinese Scholars
   (2007-24), the Natural Science Foundation of Guangdong Province
   (07117550, 9251018201000004), the Natural Science Key Program of Higher
   Education Institutions of Guangdong Province, China (06Z021) and the
   Science and Technology Program of Guangzhou Bureau of Education, China
   (08A093).
NR 38
TC 0
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0024-3205
J9 LIFE SCI
JI Life Sci.
PD JAN 30
PY 2010
VL 86
IS 5-6
BP 192
EP 198
DI 10.1016/j.lfs.2009.12.002
PG 7
SC Medicine, Research & Experimental; Pharmacology & Pharmacy
GA 552UC
UT ISI:000274318100007
ER

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