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https://www.readbyqxmd.com/read/29793177/long-noncoding-rna-gas5-suppresses-triple-negative-breast-cancer-progression-through-inhibition-of-proliferation-and-invasion-by-competitively-binding-mir-196a-5p
#1
Shuqin Li, Jun Zhou, Zhaoxin Wang, Peishun Wang, Xitao Gao, Yan Wang
Triple-negative breast cancer (TNBC) is considered to be the most aggressive and lethal type of breast cancer. Many studies have suggested that the dysfunction of long noncoding RNAs (lncRNAs) is correlated with breast cancer metastasis and progression. Here, we show that levels of the lncRNA, growth arrest-specific transcript 5 (GAS5), are decreased in TNBC tissues, and this down-regulation of GAS5 is associated with an aggressive tumor phenotype in patients, affecting clinical stage, lymph node metastasis and overall survival...
May 21, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29792952/anticancer-mechanism-of-sinapic-acid-in-pc-3-and-lncap-human-prostate-cancer-cell-lines
#2
Canan Eroğlu, Ebru Avcı, Hasibe Vural, Ercan Kurar
Sinapic acid (SA) is a derivative of hydroxycinnamic acid and found in various vegetables and fruit species. Aim was to evaluate the anticancer effects of SA in PC-3 and LNCaP human prostate cancer cells. The effect of SA on cell viability was determined using XTT assay. Expressions of 8 genes for apoptosis and 6 genes for metastasis were evaluated by qPCR. Caspase-3 activity was determined using caspase-3 colorimetric assay kit. Effect of SA on cell invasion was evaluated with cell invasion assay. The IC50 dose of SA in PC-3 and LNCaP cells was found to be 1000 μM for 72 h...
May 21, 2018: Gene
https://www.readbyqxmd.com/read/29792909/dermatofibrosarcoma-protuberans-a-retrospective-study-of-clinicopathological-features-and-related-akt-mtor-stat3-erk-cyclin-d1-and-pd-l1-expression
#3
Sunyoung Park, Soyun Cho, Minji Kim, Ji Ung Park, Eui Cheol Jeong, Euno Choi, Jeong Hwan Park, Cheol Lee, Mee Soo Chang
BACKGROUND: Little is known regarding oncoproteins other than PDGFβ in dermatofibrosarcoma protuberance (DFSP). Moreover, the risk factors for worse prognosis are controversial. OBJECTIVE: We sought to determine the clinicopathological features and key factors for adverse outcome in DFSP including the implication of Akt/mTOR, STAT3, ERK, cyclinD1, and PD-L1 expression. METHODS: Clinicopathological and immunohistochemical analyses were performed for 44 DFSPs having wide local excision along with 92 dermatofibromas as controls...
May 21, 2018: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/29792732/phosphatidylinositol-3-kinase-%C3%AE-and-%C3%AE-isoforms-play-key-roles-in-metastasis-of-prostate-cancer-du145-cells
#4
Zhe Zhang, Jie Liu, Yingying Wang, Xiao Tan, Wennan Zhao, Xiaoxue Xing, Yuling Qiu, Ran Wang, Meihua Jin, Guanwei Fan, Ping Zhang, Yuxu Zhong, Dexin Kong
Metastasis is the main cause of the lethality of prostate cancer. Class I phosphatidylinositol 3-kinases (PI3Ks), which contain 4 isoforms, α, β, δ, and γ, are known to play important roles in cell growth, migration, invasion, and so on. However, the respective role of each PI3K isoform in cancer cell migration and invasion remains unknown. In a study that aimed to elucidate the respective role of the 4 PI3K isoforms, we investigated the change in migratory and invasive ability of DU145 cells after treatment with each PI3K isoform-specific inhibitor...
May 24, 2018: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/29791975/cd44-and-aldh1-immunoexpression-as-prognostic-indicators-of-invasion-and-metastasis-in-oral-squamous-cell-carcinoma
#5
Rafael Carneiro Ortiz, Nathália Martins Lopes, Nadia Ghinelli Amôr, José Burgos Ponce, Cláudia Kliemann Schmerling, Vanessa Soares Lara, Raquel Ajub Moyses, Camila Oliveira Rodini
BACKGROUND: Tumour metastasis has been associated with cancer stem cells, a small population with stem-like cells properties, higher rate of migration and metastatic potential compared to cells from the tumour bulk. Our aim was to evaluate the immunoexpression of the putative cancer stem cell biomarkers ALDH1 and CD44 in primary tumour and corresponding metastatic lymph nodes. METHODS: Tumour tissue specimens (n=50) and corresponding metastatic lymph nodes (n=25) were surgically obtained from 50 patients with oral squamous cell carcinoma and submitted to immunohistochemistry...
May 23, 2018: Journal of Oral Pathology & Medicine
https://www.readbyqxmd.com/read/29791891/transanal-endoscopic-microsurgery-with-or-without-completion-total-mesorectal-excision-for-t2-and-t3-rectal-carcinoma
#6
Jeroen W A Leijtens, Thomas W A Koedam, Wernard A A Borstlap, Monique Maas, Pascal G Doornebosch, Tom M Karsten, Eric J Derksen, Laurents P S Stassen, Camiel Rosman, Eelco J R de Graaf, André J A Bremers, Jeroen Heemskerk, Geerard L Beets, Jurriaan B Tuynman, Kevin L J Rademakers
AIM: Transanal endoscopic microsurgery (TEM) is used for the resection of large rectal adenomas and well or moderately differentiated T1 carcinomas. Due to difficulty in preoperative staging, final pathology may reveal a carcinoma not suitable for TEM. Although completion total mesorectal excision is considered standard of care in T2 or more invasive carcinomas, this completion surgery is not always performed. The purpose of this article is to evaluate the outcome of patients after TEM-only, when completion surgery would be indicated...
May 23, 2018: Digestive Surgery
https://www.readbyqxmd.com/read/29791590/lncrna-ccat1-promotes-cell-proliferation-migration-and-invasion-by-down-regulation-of-mir-143-in-ftc-133-thyroid-carcinoma-cell-line
#7
Tianzheng Yang, Hongyan Zhai, Ruihong Yan, Zhenhu Zhou, Lei Gao, Luqing Wang
Thyroid cancer is a common malignant tumor. Long non-coding RNA colon cancer-associated transcript 1 (lncRNA CCAT1) is highly expressed in many cancers; however, the molecular mechanism of CCAT1 in thyroid cancer remains unclear. Hence, this study aimed to investigate the effect of CCAT1 on human thyroid cancer cell line FTC-133. FTC-133 cells were transfected with CCAT1 expressing vector, CCAT1 shRNA, miR-143 mimic, and miR-143 inhibitor, respectively. After different treatments, cell viability, proliferation, migration, invasion, and apoptosis were measured...
2018: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
https://www.readbyqxmd.com/read/29790671/upregulation-of-mir-374a-promotes-tumor-metastasis-and-progression-by-downregulating-lactb-and-predicts-unfavorable-prognosis-in-breast-cancer
#8
Jun Zhang, Yuting He, Yan Yu, Xiaolong Chen, Guangying Cui, Weiwei Wang, Xiaojian Zhang, Yonggang Luo, Juan Li, Fang Ren, Zhigang Ren, Ranran Sun
Breast cancer (BRCA) is the second leading cause of cancer-related death among female worldwide. Recent studies have revealed that LACTB was frequently repressed and functioned as a bona fide new tumor suppressor in a series of cancers, including BRCA. However, the molecular mechanisms underlying LACTB dysregulation in BRCA have not been reported. In the present study, we find that LACTB is repressed in BRCA and associated with poor prognosis by BRCA tissue microarray (TMA) analysis. Moreover, we confirm that LACTB is a direct target of miR-374a, which is significantly overexpressed and associated with malignancies in BRCA...
May 23, 2018: Cancer Medicine
https://www.readbyqxmd.com/read/29789606/the-prognostic-value-of-systemic-inflammation-in-patients-undergoing-surgery-for-colon-cancer-comparison-of-composite-ratios-and-cumulative-scores
#9
Ross D Dolan, Stephen T McSorley, James H Park, David G Watt, Campbell S Roxburgh, Paul G Horgan, Donald C McMillan
INTRODUCTION: The systemic inflammatory response has been proven to have a prognostic value. There are two methods of assessing the systemic inflammatory response composite ratios (R) and cumulative scores (S). The aim of this study was to compare the prognostic value of ratios and scores in patients undergoing surgery for colon cancer. METHODS: Patients were identified prospectively in a single surgical unit. Preoperative neutrophil (N), lymphocyte (L), monocyte (M) and platelet (P) counts, CRP (C) and albumin (A) levels were recorded...
May 23, 2018: British Journal of Cancer
https://www.readbyqxmd.com/read/29789601/hmga1-exacerbates-tumor-growth-through-regulating-the-cell-cycle-and-accelerates-migration-invasion-via-targeting-mir-221-222-in-cervical-cancer
#10
Fangfang Fu, Tian Wang, Zhangying Wu, Yourong Feng, Wenwen Wang, Su Zhou, Xiangyi Ma, Shixuan Wang
High-mobility group AT-hook1 (HMGA1, formerly HMG-I/Y), an architectural transcription factor, participates in a number of tumor biological processes. However, its effect on cervical cancer remains largely indistinct. In this study, we found that HMGA1 was generally overexpressed in cervical cancer tissues and was positively correlated with lymph node metastasis and advanced clinical stage. Via exogenously increasing or decreasing the expression of HMGA1, we showed that HMGA1 affected the proliferation, colony formation, migration and invasion of cervical cancer cells in vitro...
May 22, 2018: Cell Death & Disease
https://www.readbyqxmd.com/read/29789536/long-noncoding-rna-gastric-cancer-related-lncrna1-mediates-gastric-malignancy-through-mirna-885-3p-and-cyclin-dependent-kinase-4
#11
Zhijuan Lin, Zhixia Zhou, Hang Guo, Yuqi He, Xin Pang, Xumei Zhang, Ying Liu, Xiang Ao, Peifeng Li, Jianxun Wang
Gastric cancer (GC) is one of the most common malignancy and the third leading cancer-related death in China. Long noncoding RNAs (lncRNAs) have been implicated in numerous tumors, including GC, however, the mechanism of many functional lncRNAs is still unclear. In this study, we identified the abundantly expressed lncRNA, RP11-290F20.3, in GC cells and patient tumor tissues. We named this lncRNA as GC-related lncRNA1 (GCRL1), which could regulate gastric cell proliferation and metastasis, both in vitro and in vivo...
May 22, 2018: Cell Death & Disease
https://www.readbyqxmd.com/read/29789013/prognostic-significance-of-pd-l1-expression-and-cd8-t-cell-infiltration-in-pulmonary-neuroendocrine-tumors
#12
Haiyue Wang, Zhongwu Li, Bin Dong, Wei Sun, Xin Yang, Ruping Liu, Lixin Zhou, Xiaozheng Huang, Ling Jia, Dongmei Lin
BACKGROUND: Recent research supports a significant role of immune checkpoint inhibitors in the treatment of solid tumors. However, relevant reports for programmed death-ligand 1 (PD-L1) and CD8+ tumor-infiltrating lymphocytes (TILs) in pulmonary neuroendocrine tumors (PNETs) have not been fully studied. Therefore, we investigated PNETs for the expression of PD-L1 and infiltration by CD8+ TILs as well as the prognostic value of both factors. METHODS: In total, 159 specimens of PNETs (35 TC, 2 AC, 28 LCNEC, 94 SCLC) were included in this study...
May 22, 2018: Diagnostic Pathology
https://www.readbyqxmd.com/read/29788963/cervical-small-cell-carcinoma-frequently-presented-in-multiple-high-risk-hpv-infection-and-often-associated-with-other-type-of-epithelial-tumors
#13
Peifeng Li, Jing Ma, Xiumin Zhang, Yong Guo, Yixiong Liu, Xia Li, Danhui Zhao, Zhe Wang
BACKGROUND: Small cell carcinoma of the uterine cervix is a rare and highly malignant tumor, and its etiopathogenesis is strongly related to high-risk HPV infections. METHODS: The clinicopathological data of 30 cases of cervical primary small cell carcinoma were retrospectively analyzed. In situ hybridization, polymerase chain reaction and reverse dot-blot hybridization were employed to detect HPV DNA in both small cell carcinoma and other coexisting epithelial tumors...
May 22, 2018: Diagnostic Pathology
https://www.readbyqxmd.com/read/29788890/inhibition-of-pyruvate-dehydrogenase-kinase-as-a-therapeutic-strategy-against-cancer
#14
Swatishree Sradhanjali, Mamatha M Reddy
Cancer cells alter their metabolism to support the uninterrupted supply of biosynthetic molecules required for continuous proliferation. Glucose metabolism is frequently reprogrammed in several tumors in addition to fatty acid, amino acid and glutamine metabolism. Pyruvate dehydrogenase kinase (PDK) is a gatekeeper enzyme involved in altered glucose metabolism in tumors. There are four isoforms of PDK (1 to 4) in humans. PDK phosphorylates E1α subunit of pyruvate dehydrogenase complex (PDC) and inactivates it...
May 22, 2018: Current Topics in Medicinal Chemistry
https://www.readbyqxmd.com/read/29788742/mir-483-is-down-regulated-in-gastric-cancer-and-suppresses-cell-proliferation-invasion-and-protein-o-glcnacylation-by-targeting-ogt
#15
F Y Yu, C Y Zhou, Y B Liu, B Wang, L Mao, Y Li
MicroRNAs (miRNAs) are involved in the gastric carcinogenesis and progression. Here, we confirmed that miR-483 was frequently decreased in gastric cancer patients. The expression levels of miR-483 were negatively correlated with tumor stage, node metastasis and stromal invasion. Log-rank tests demonstrated that low expression of miR-483 was strongly correlated with poor overall survival in patients with gastric cancer. Moreover, ectopic expression of miR-483 remarkably suppressed gastric cancer cell proliferation by enhancing cell apoptosis and significantly inhibited the invasion of gastric cancer cells, while low expression of miR-483 exhibited the opposite effect...
March 14, 2018: Neoplasma
https://www.readbyqxmd.com/read/29788741/foxa1-and-ck7-expression-in-esophageal-squamous-cell-carcinoma-and-its-prognostic-significance
#16
Y Xu, W Wang, L Li, J Liu, X Wu, J Yu, H Wang, W Cui, R Zhang
Esophageal Squamous Cell Carcinoma (ESCC) is one of the most common malignant tumors in human. Some ESCC cells express adenocarcinoma cell markers, such as Cytokeratin 7 (CK7), but the clinical significance of these cells in ESCC is unknown. Immunohistochemical analysis of CK7 and Fork head box protein A1(FOXA1, an upstream regulator of CK7) was performed on 610 ESCC specimens using tissue microarray. In total, positive staining of CK7 was 59/594 (10%). CK7 expression was correlated with ESCC differentiation (P=0...
March 14, 2018: Neoplasma
https://www.readbyqxmd.com/read/29788732/the-current-application-of-acosog-z0011-trial-results-is-further-implementation-of-sentinel-lymph-node-intra-operative-histopathological-examination-mandatory-in-breast-cancer-patients-a-single-centre-analysis
#17
T Nowikiewicz, W Zegarski, K Pagacz, M Nowacki, A Morawiec-Sztandera, I Glowacka-Mrotek, M Sowa, M Biedka, A Kolacinska
The main objective of the ACOSOG Z0011 trial was to determine the impact of abandoning complete axillary lymph node dissection (ALND) on survival of breast cancer patients with sentinel node lymph (SLN) metastasis in whom breast conserving therapy (BCT) had been performed. The aim of our study was to assess the clinical value of intra-operative histopathological examination of SLN. Our study comprised 1284 invasive breast cancer patients in whom sentinel lymph node biopsy (SLNB) was carried out. SLN intra-operative histopathological assessment was routinely performed in patients treated within the first period (07...
March 14, 2018: Neoplasma
https://www.readbyqxmd.com/read/29788731/claudin-7-cldn7-is-overexpressed-in-gastric-cancer-and-promotes-gastric-cancer-cell-proliferation-invasion-and-maintains-mesenchymal-state
#18
Z Wu, J Shi, Y Song, J Zhao, J Sun, X Chen, P Gao, Z Wang
Gastric cancer (GC) ranks as the fourth most common cancer worldwide and is among the most aggressive types of cancer. Claudin-7 (CLDN7) has been found to be aberrantly expressed in some types of cancers. However, the expression and role of CLDN7 on gastric cancer (GC) remain largely unknown. In this study, we have performed the largest expression analysis study to date of CLDN7 in 113 pairs of human GC tissues and non-tumorous adjacent tissues. We found CLDN7 expression is significantly elevated in GC tissues, and the overexpression of CLDN7 is closely related to lymph node metastasis...
March 14, 2018: Neoplasma
https://www.readbyqxmd.com/read/29788728/clinical-characteristics-and-treatments-of-patients-with-alpha-fetoprotein-producing-gastric-carcinoma
#19
W Gong, Y Su, A Liu, J Liu, D Sun, T Jiang, J Xiang, C Chi, P Sun
Alpha-fetoprotein (AFP) is a well-known tumor marker of hepatic carcinoma and yolk sac tumor. Alpha-fetoprotein producing gastric carcinoma (AFPGC) is a rare type of gastric cancer with high malignancy and poor prognosis, which make it different from other types of gastric cancer. This rare gastric cancer patient subgroup is likely frequently misdiagnosed which may be related to lack of knowledge of the disease. The purpose of this article is to summarize the mechanism of AFP positive gastric cancer, classification, biological behavior and treatment, in order to assist clinical practitioners to detect AFPGC earlier and treat it better...
March 14, 2018: Neoplasma
https://www.readbyqxmd.com/read/29788166/combined-pathologic-genomic-algorithm-for-early-stage-breast-cancer-improves-cost-effective-use-of-the-21-gene-recurrence-score-assay
#20
M M Gage, W C Mylander, M Rosman, T Fujii, F Le Du, A Raghavendra, A K Sinha, J R Espinosa Fernandez, A James, N T Ueno, L Tafra, R S Jackson
Background: The 21-gene recurrence score (RS) (Oncotype DX®; Genomic Health, Redwood City, CA) partitions hormone receptor positive, node negative breast cancers into three risk groups for recurrence. The Anne Arundel Medical Center (AAMC) model has previously been shown to accurately predict RS risk categories using standard pathology data. A pathologic-genomic (P-G) algorithm then is presented using the AAMC model and reserving the RS assay only for AAMC intermediate-risk patients...
May 1, 2018: Annals of Oncology: Official Journal of the European Society for Medical Oncology
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