| Id |
Subject |
Object |
Predicate |
Lexical cue |
| TextSentencer_T1 |
0-154 |
Sentence |
denotes |
Constitutive activation of Stat3 in human prostate tumors and cell lines: direct inhibition of Stat3 signaling induces apoptosis of prostate cancer cells. |
| TextSentencer_T2 |
155-290 |
Sentence |
denotes |
Signal transducers and activators of transcription (STATs) were identified originally as key components of cytokine signaling pathways. |
| TextSentencer_T3 |
291-429 |
Sentence |
denotes |
More recently, constitutive activation of STAT proteins has been detected in a wide variety of human tumor specimens and tumor cell lines. |
| TextSentencer_T4 |
430-561 |
Sentence |
denotes |
Here, we examined the activation of one STAT family member, Stat3, in human prostate cancer cell lines and primary prostate tumors. |
| TextSentencer_T5 |
562-777 |
Sentence |
denotes |
An analysis of 45 adenocarcinomas obtained at radical prostatectomy revealed elevated levels of constitutive Stat3 activation in 37 (82%) of 45 of the tumors compared with matched adjacent nontumor prostate tissues. |
| TextSentencer_T6 |
778-966 |
Sentence |
denotes |
A highly specific immunohistochemical assay for detection of phospho-Stat3 revealed that elevated Stat3 activity was localized primarily in the tumor cells of prostate carcinoma specimens. |
| TextSentencer_T7 |
967-1125 |
Sentence |
denotes |
Furthermore, higher levels of Stat3 activation in patient specimens were correlated significantly with more malignant tumors exhibiting higher Gleason scores. |
| TextSentencer_T8 |
1126-1265 |
Sentence |
denotes |
In addition, all of the three human prostate cancer cell lines examined (DU145, PC3, and LNCaP) displayed constitutive activation of Stat3. |
| TextSentencer_T9 |
1266-1459 |
Sentence |
denotes |
Substantially lower levels of Stat3 activation were detected in LNCaP cells; however, stimulation with interleukin 6 induced a significant increase in Stat3 DNA-binding activity in these cells. |
| TextSentencer_T10 |
1460-1618 |
Sentence |
denotes |
Moreover, the direct inhibition of constitutive Stat3 signaling in DU145 cells using antisense Stat3 oligonucleotides induced growth inhibition and apoptosis. |
| TextSentencer_T11 |
1619-1805 |
Sentence |
denotes |
Our findings demonstrate that constitutive activation of Stat3 occurs frequently in primary prostate adenocarcinomas and is critical for the growth and survival of prostate cancer cells. |
| TextSentencer_T12 |
1806-1933 |
Sentence |
denotes |
These studies further suggest that Stat3 signaling represents a potentially novel molecular target for prostate cancer therapy. |
| T1 |
0-154 |
Sentence |
denotes |
Constitutive activation of Stat3 in human prostate tumors and cell lines: direct inhibition of Stat3 signaling induces apoptosis of prostate cancer cells. |
| T2 |
155-290 |
Sentence |
denotes |
Signal transducers and activators of transcription (STATs) were identified originally as key components of cytokine signaling pathways. |
| T3 |
291-429 |
Sentence |
denotes |
More recently, constitutive activation of STAT proteins has been detected in a wide variety of human tumor specimens and tumor cell lines. |
| T4 |
430-561 |
Sentence |
denotes |
Here, we examined the activation of one STAT family member, Stat3, in human prostate cancer cell lines and primary prostate tumors. |
| T5 |
562-777 |
Sentence |
denotes |
An analysis of 45 adenocarcinomas obtained at radical prostatectomy revealed elevated levels of constitutive Stat3 activation in 37 (82%) of 45 of the tumors compared with matched adjacent nontumor prostate tissues. |
| T6 |
778-966 |
Sentence |
denotes |
A highly specific immunohistochemical assay for detection of phospho-Stat3 revealed that elevated Stat3 activity was localized primarily in the tumor cells of prostate carcinoma specimens. |
| T7 |
967-1125 |
Sentence |
denotes |
Furthermore, higher levels of Stat3 activation in patient specimens were correlated significantly with more malignant tumors exhibiting higher Gleason scores. |
| T8 |
1126-1265 |
Sentence |
denotes |
In addition, all of the three human prostate cancer cell lines examined (DU145, PC3, and LNCaP) displayed constitutive activation of Stat3. |
| T9 |
1266-1459 |
Sentence |
denotes |
Substantially lower levels of Stat3 activation were detected in LNCaP cells; however, stimulation with interleukin 6 induced a significant increase in Stat3 DNA-binding activity in these cells. |
| T10 |
1460-1618 |
Sentence |
denotes |
Moreover, the direct inhibition of constitutive Stat3 signaling in DU145 cells using antisense Stat3 oligonucleotides induced growth inhibition and apoptosis. |
| T11 |
1619-1805 |
Sentence |
denotes |
Our findings demonstrate that constitutive activation of Stat3 occurs frequently in primary prostate adenocarcinomas and is critical for the growth and survival of prostate cancer cells. |
| T12 |
1806-1933 |
Sentence |
denotes |
These studies further suggest that Stat3 signaling represents a potentially novel molecular target for prostate cancer therapy. |