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https://www.readbyqxmd.com/read/29202657/a-case-of-gastric-cancer-metastasis-to-the-breast-in-a-female-with-brca2-germline-mutation-and-literature-review
#1
Audrius Dulskas, Mahdi Al Bandar, Yoon Young Choi, Su-Jin Shin, Seung-Hoon Beom, Taeil Son, Hyung-Il Kim, Jae-Ho Cheong, Woo Jin Hyung, Sung Hoon Noh
INTRODUCTION: Gastric cancer is a deadly disease. Common sites of distant metastasis of gastric cancer are the peritoneum, liver, lymph nodes, and lung. The breast is a rare site of metastasis in gastric cancer which occurs in males dominantly. PATIENTS AND METHODS: Here, we report the first case of metastatic gastric cancer to the breast in a patient with the breast cancer 2 (BRCA2) germline mutation. A 34-year-old female was admitted to the hospital with dyspepsia and a palpable mass in the left breast...
December 5, 2017: Acta Chirurgica Belgica
https://www.readbyqxmd.com/read/29196918/nafamostat-mesilate-negatively-regulates-the-metastasis-of-triple-negative-breast-cancer-cells
#2
Sunam Mander, Dong-Joo You, Sumi Park, Dong Hwi Kim, Hyo Jeong Yong, Dong-Sik Kim, Curie Ahn, Yun-Hee Kim, Jae Young Seong, Jong-Ik Hwang
Triple-negative breast cancer (TNBC) lacking of oestrogen receptor, progesterone receptor, and epidermal growth factor receptor type 2 is a highly malignant disease which results in a poor prognosis and rare treatment options. Despite the use of conventional chemotherapy for TNBC tumours, resistance and short duration responses limit the treatment efficacy. Therefore, a need exists to develop a new chemotherapy for TNBC. The aim of this study was to examine the anti-cancer effects of nafamostat mesilate (NM), a previously known serine protease inhibitor and highly safe drug on breast cancer cells...
December 1, 2017: Archives of Pharmacal Research
https://www.readbyqxmd.com/read/29173772/clinical-characteristics-and-sequence-complexity-of-anaplastic-lymphoma-kinase-gene-fusions-in-chinese-lung-cancer-patients
#3
Hong-Xia Tian, Xu-Chao Zhang, Jin-Ji Yang, Wei-Bang Guo, Zhi-Hong Chen, Zhen Wang, Yi-Long Wu
OBJECTIVES: To investigate the clinical characteristics of anaplastic lymphoma kinase (ALK) rearrangements and sequence complexity of the ALK fusion gene in Chinese lung cancer patients. METHODS: We prospectively screened ALK rearrangements in 1474 lung cancer specimens, including 1387 cases of non-small cell lung cancer (NSCLC), 54 cases of small cell lung cancer (SCLC), and 33 cases of cancer with lung metastasis from other organs by both standard polymerase chain reaction (PCR) and rapid amplification of cDNA ends (RACE)-coupled PCR...
December 2017: Lung Cancer: Journal of the International Association for the Study of Lung Cancer
https://www.readbyqxmd.com/read/29165057/pulmonary-toxicity-and-global-gene-expression-changes-in-response-to-sub-chronic-inhalation-exposure-to-crystalline-silica-in-rats
#4
Christina Umbright, Rajendran Sellamuthu, Jenny R Roberts, Shih-Houng Young, Diana Richardson, Diane Schwegler-Berry, Walter McKinney, Bean Chen, Ja Kook Gu, Michael Kashon, Pius Joseph
Exposure to crystalline silica results in serious adverse health effects, most notably, silicosis. An understanding of the mechanism(s) underlying silica-induced pulmonary toxicity is critical for the intervention and/or prevention of its adverse health effects. Rats were exposed by inhalation to crystalline silica at a concentration of 15 mg/m(3), 6 hr/day, 5 days/week for 3, 6 or 12 weeks. Pulmonary toxicity and global gene expression profiles were determined in lungs at the end of each exposure period...
2017: Journal of Toxicology and Environmental Health. Part A
https://www.readbyqxmd.com/read/29158850/mmpp-attenuates-non-small-cell-lung-cancer-growth-by-inhibiting-the-stat3-dna-binding-activity-via-direct-binding-to-the-stat3-dna-binding-domain
#5
Dong Ju Son, Jie Zheng, Yu Yeon Jung, Chul Ju Hwang, Hee Pom Lee, Ju Rang Woo, Song Yi Baek, Young Wan Ham, Min Woong Kang, Minho Shong, Gi Ryang Kweon, Min Jong Song, Jae Kyung Jung, Sang-Bae Han, Bo Yeon Kim, Do Young Yoon, Bu Young Choi, Jin Tae Hong
Rationale: Signal transducer and activator of transcription-3 (STAT3) plays a pivotal role in cancer biology. Many small-molecule inhibitors that target STAT3 have been developed as potential anticancer drugs. While designing small-molecule inhibitors that target the SH2 domain of STAT3 remains the leading focus for drug discovery, there has been a growing interest in targeting the DNA-binding domain (DBD) of the protein. Methods: We demonstrated the potential antitumor activity of a novel, small-molecule (E)-2-methoxy-4-(3-(4-methoxyphenyl)prop-1-en-1-yl)phenol (MMPP) that directly binds to the DBD of STAT3, in patient-derived non-small cell lung cancer (NSCLC) xenograft model as well as in NCI-H460 cell xenograft model in nude mice...
2017: Theranostics
https://www.readbyqxmd.com/read/29137280/ppar%C3%AE-sumoylation-mediated-lipid-accumulation-in-lung-cancer
#6
Ai N H Phan, Vu T A Vo, Tuyen N M Hua, Min-Kyu Kim, Se-Young Jo, Jong-Whan Choi, Hyun-Won Kim, Jaekyoung Son, Young-Ah Suh, Yangsik Jeong
Metabolic reprogramming as a crucial emerging hallmark of cancer is critical for tumor cells to maintain cellular bioenergetics, biosynthesis and reduction/oxidation (REDOX) balance. Peroxisome proliferator-activated receptor gamma (PPARγ) is a nuclear hormone receptor regulating transcription of diverse gene sets involved in inflammation, metabolism, and suppressing tumor growth. Thiazolidinediones (TZDs), as selective PPARγ ligands, are insulin-sensitizing drugs widely prescribed for type 2 diabetic patients in the clinic...
October 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29133416/rsk2-phosphorylates-t-bet-to-attenuate-colon-cancer-metastasis-and-growth
#7
Ke Yao, Cong Peng, Yuwen Zhang, Tatyana A Zykova, Mee-Hyun Lee, Sung-Young Lee, Enyu Rao, Hanyong Chen, Joohyun Ryu, Lei Wang, Yi Zhang, Ge Gao, Wei He, Wei-Ya Ma, Kangdong Liu, Ann M Bode, Ziming Dong, Bing Li, Zigang Dong
Metastasis is a major cause of cancer-related deaths. Approximately 80% of patients with colorectal cancer develop liver metastasis and 20% develop lung metastasis. We found that at different stages of colon cancer, IFNγ secretion from peripheral blood mononuclear cells was decreased compared with healthy controls. The ribosomal S6 kinase (RSK) family of kinases has multiple cellular functions, and we examined their roles in this observed IFNγ decrease. Flow cytometry analysis of wild-type (WT) and RSK2 knockout (KO) mice revealed significantly lower levels of IFNγ in the RSK2 KO mice compared with the WT mice...
November 13, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29109765/presenilin-mutation-suppresses-lung-tumorigenesis-via-inhibition-of-peroxiredoxin-6-activity-and-expression
#8
Mi Hee Park, Hyung-Mun Yun, Chul Ju Hwang, Sang Ick Park, Sang Bae Han, Dae Youn Hwang, Do-Young Yoon, Sanghyeon Kim, Jin Tae Hong
Some epidemiological studies suggest an inverse correlation between cancer incidence and Alzheimer's disease (AD). In this study, we demonstrated experimental evidences for this inverse relationship. In the co-expression network analysis using the microarray data and GEO profile of gene expression omnibus data analysis, we showed that the expression of peroxiredoxin 6 (PRDX6), a tumor promoting protein was significantly increased in human squamous lung cancer, but decreased in mutant presenilin 2 (PS2) containing AD patient...
2017: Theranostics
https://www.readbyqxmd.com/read/29069808/targeting-the-cancer-stem-cell-marker-aldehyde-dehydrogenase-1-to-circumvent-cisplatin-resistance-in-nsclc
#9
Lauren MacDonagh, Michael F Gallagher, Brendan Ffrench, Claudia Gasch, Eamon Breen, Steven G Gray, Siobhan Nicholson, Niamh Leonard, Ronan Ryan, Vincent Young, John J O'Leary, Sinead Cuffe, Stephen P Finn, Kenneth J O'Byrne, Martin P Barr
Non-small cell lung cancer (NSCLC) accounts for a large proportion of cancer deaths and is characterized by low treatment response rates and poor overall prognosis. In the absence of specific treatable mutations, cisplatin-based chemotherapy plays an important role in the treatment of this disease. Unfortunately, the development of resistance has become a major therapeutic challenge in the use of this cytotoxic drug. Elucidating the mechanisms underlying this resistance phenotype, may result in the development of novel agents that enhance sensitivity to cisplatin in lung cancer patients...
September 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/29064398/coumestrol-epigenetically-suppresses-cancer-cell-proliferation-coumestrol-is-a-natural-haspin-kinase-inhibitor
#10
Jong-Eun Kim, Sung-Young Lee, Mi Jang, Hyo-Kyung Choi, Jong Hun Kim, Hanyong Chen, Tae-Gyu Lim, Zigang Dong, Ki Won Lee
Targeting epigenetic changes in gene expression in cancer cells may offer new strategies for the development of selective cancer therapies. In the present study, we investigated coumestrol, a natural compound exhibiting broad anti-cancer effects against skin melanoma, lung cancer and colon cancer cell growth. Haspin kinase was identified as a direct target protein of coumestrol using kinase profiling analysis. Histone H3 is a direct substrate of haspin kinase. We observed haspin kinase overexpression as well as greater phosphorylation of histone H3 at threonine 3 (Thr-3) in the cancer cells compared to normal cells...
October 24, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29047229/enhanced-inflammation-and-attenuated-tumor-suppressor-pathways-are-associated-with-oncogene-induced-lung-tumors-in-aged-mice
#11
Neha Parikh, Ryan L Shuck, Mihai Gagea, Lanlan Shen, Lawrence A Donehower
Aging is often accompanied by a dramatic increase in cancer susceptibility. To gain insights into how aging affects tumor susceptibility, we generated a conditional mouse model in which oncogenic Kras(G12D) was activated specifically in lungs of young (3-5 months) and old (19-24 months) mice. Activation of Kras(G12D) in old mice resulted in shorter survival and development of higher-grade lung tumors. Six weeks after Kras(G12D) activation, old lung tissues contained higher numbers of adenomas than their young tissue counterparts...
October 18, 2017: Aging Cell
https://www.readbyqxmd.com/read/28972577/genome-wide-association-study-across-european-and-african-american-ancestries-identifies-a-snp-in-dnmt3b-contributing-to-nicotine-dependence
#12
D B Hancock, Y Guo, G W Reginsson, N C Gaddis, S M Lutz, R Sherva, A Loukola, C C Minica, C A Markunas, Y Han, K A Young, D F Gudbjartsson, F Gu, D W McNeil, B Qaiser, C Glasheen, S Olson, M T Landi, P A F Madden, L A Farrer, J Vink, N L Saccone, M C Neale, H R Kranzler, J McKay, R J Hung, C I Amos, M L Marazita, D I Boomsma, T B Baker, J Gelernter, J Kaprio, N E Caporaso, T E Thorgeirsson, J E Hokanson, L J Bierut, K Stefansson, E O Johnson
Cigarette smoking is a leading cause of preventable mortality worldwide. Nicotine dependence, which reduces the likelihood of quitting smoking, is a heritable trait with firmly established associations with sequence variants in nicotine acetylcholine receptor genes and at other loci. To search for additional loci, we conducted a genome-wide association study (GWAS) meta-analysis of nicotine dependence, totaling 38,602 smokers (28,677 Europeans/European Americans and 9925 African Americans) across 15 studies...
October 3, 2017: Molecular Psychiatry
https://www.readbyqxmd.com/read/28969043/isothiocyanates-suppress-the-invasion-and-metastasis-of-tumors-by-targeting-fak-mmp-9-activity
#13
Yun-Jeong Jeong, Hyun-Ji Cho, Fung-Lung Chung, Xiantao Wang, Hyang-Sook Hoe, Kwan-Kyu Park, Cheorl-Ho Kim, Hyeun-Wook Chang, Sang-Rae Lee, Young-Chae Chang
Isothiocyanates, which are present as glucosinolate precursors in cruciferous vegetables, have strong activity against various cancers. Here, we compared the anti-metastatic effects of isothiocyanates (benzyl isothiocyanate (BITC), phenethyl isothiocyanate (PEITC), and sulforaphane (SFN)) by examining how they regulate MMP-9 expression. Isothiocyanates, particularly PEITC, suppressed 12-O-tetradecanoylphorbol-13-acetate (TPA)-induced MMP-9 activity and invasion in various cancer cell lines. By contrast, N-methyl phenethylamine, a PEITC analog without an isothiocyanate functional group, had no effect...
September 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28900503/label-free-rapid-viable-enrichment-of-circulating-tumor-cell-by-photosensitive-polymer-based-microfilter-device
#14
Yoon-Tae Kang, Il Doh, Jiyoung Byun, Hee Jin Chang, Young-Ho Cho
We present a clinical device for simple, rapid, and viable isolation of circulating tumor cells (CTCs) from cancer patient bloods. In spite of the clinical importance of CTCs, the lack of easy and non-biased isolation methods is a big hurdle for implementing CTC into clinical use. The present device made of photosensitive polymer was designed to attach to conventional syringe to isolate the CTCs at minimal resources. Its unique tapered-slits on the filter are capable not only to isolate the cell based on their size and deformability, but also to increase sample flow rate, thus achieving label-free rapid viable CTC isolation...
2017: Theranostics
https://www.readbyqxmd.com/read/28881718/quercetin-inhibits-cr-vi-induced-malignant-cell-transformation-by-targeting-mir-21-pdcd4-signaling-pathway
#15
Poyil Pratheeshkumar, Young-Ok Son, Sasidharan Padmaja Divya, Lei Wang, Lilia Turcios, Ram Vinod Roy, John Andrew Hitron, Donghern Kim, Jin Dai, Padmaja Asha, Zhuo Zhang, Xianglin Shi
Hexavalent chromium [Cr(VI)] is an important human carcinogen associated with pulmonary diseases and lung cancer. Inhibition of Cr(VI)-induced carcinogenesis by a dietary antioxidant is a novel approach. Quercetin is one of the most abundant dietary flavonoids widely present in many fruits and vegetables, possesses potent antioxidant and anticancer properties. MicroRNA-21 (miR-21) is a key oncomiR significantly elevated in the majority of human cancers that exerts its oncogenic activity by targeting the tumor suppressor gene programmed cell death 4 (PDCD4)...
August 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28862766/genomic-profiles-of-lung-cancer-associated-with-idiopathic-pulmonary-fibrosis
#16
Ji An Hwang, Deokhoon Kim, Sung-Min Chun, SooHyun Bae, Joon Seon Song, Mi Young Kim, Hyun Jung Koo, Jin Woo Song, Woo Sung Kim, Jae Cheol Lee, Hyeong Ryul Kim, Chang-Min Choi, Se Jin Jang
Little is known on the pathogenesis or molecular profiles of idiopathic pulmonary fibrosis-associated lung cancer (IPF-LC). This study was performed to investigate the genomic profiles of IPF-LC and to explore the possibility of defining potential therapeutic targets in IPF-LC. We assessed genomic profiles of IPF-LC using targeted exome sequencing (OncoPanel version 2) in 35 matched tumor/normal pairs surgically resected between 2004 and 2014. Germline and somatic variant calling was performed using GATK HaplotypeCaller and MuTect with GATK SomaticIndelocator, respectively...
September 1, 2017: Journal of Pathology
https://www.readbyqxmd.com/read/28860622/lsd1-modulates-the-non-canonical-integrin-%C3%AE-3-signaling-pathway-in-non-small-cell-lung-carcinoma-cells
#17
So-Young Lim, Iris Macheleidt, Priya Dalvi, Stephan C Schäfer, Martin Kerick, Luka Ozretić, Sandra Ortiz-Cuaran, Julie George, Sabine Merkelbach-Bruse, Jürgen Wolf, Bernd Timmermann, Roman K Thomas, Michal R Schweiger, Reinhard Buettner, Margarete Odenthal
The epigenetic writer lysine-specific demethylase 1 (LSD1) is aberrantly upregulated in many cancer types and its overexpression correlates with poor survival and tumor progression. In this study, we analysed LSD1 function in non-small cell lung cancer adenocarcinomas. Expression profiling of 182 cases of lung adenocarcinoma proved a significant correlation of LSD1 overexpression with lung adenocarcinoma progression and metastasis. KRAS-mutated lung cancer cell clones were stably silenced for LSD1 expression...
August 31, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28838404/validation-of-alk-ros1-dual-break-apart-fish-probe-probe-in-non-small-cell-lung-cancer
#18
Sun Min Lim, Hyun Chang, Yoon Jin Cha, Shile Liang, Yan Chin Tai, Gu Li, Ekaterina Pestova, Frank Policht, Thomas Perez, Ross A Soo, Won Young Park, Hye Ryun Kim, Hyo Sup Shim, Byoung Chul Cho
BACKGROUND: ALK and ROS1 gene rearrangements are distinct molecular subsets of non-small-cell lung cancer (NSCLC), and they are strong predictive biomarkers of response to ALK/ROS1 inhibitors, such as crizotinib. Thus, it is clinically important to develop an effective screening strategy to detect patients who will benefit from such treatment. In this study, we aimed to validate analytical performance of Vysis ALK/ROS1 Dual Break Apart Probe Kit (RUO) in NSCLC. METHODS: Study population composed of three patient cohorts with histologically confirmed lung adenocarcinoma (patients with ALK rearrangement, patients with ROS1 rearrangement and patients with wild-type ALK and ROS1)...
September 2017: Lung Cancer: Journal of the International Association for the Study of Lung Cancer
https://www.readbyqxmd.com/read/28837649/integrative-analysis-for-the-discovery-of-lung-cancer-serological-markers-and-validation-by-mrm-ms
#19
Jihye Shin, Sang-Yun Song, Hee-Sung Ahn, Byung Chull An, Yoo-Duk Choi, Eun Gyeong Yang, Kook-Joo Na, Seung-Taek Lee, Jae-Il Park, Seon-Young Kim, Cheolju Lee, Seung-Won Lee
Non-small-cell lung cancer (NSCLC) constitutes approximately 80% of all diagnosed lung cancers, and diagnostic markers detectable in the plasma/serum of NSCLC patients are greatly needed. In this study, we established a pipeline for the discovery of markers using 9 transcriptome datasets from publicly available databases and profiling of six lung cancer cell secretomes. Thirty-one out of 312 proteins that overlapped between two-fold differentially expressed genes and identified cell secretome proteins were detected in the pooled plasma of lung cancer patients...
2017: PloS One
https://www.readbyqxmd.com/read/28811522/the-lichen-secondary-metabolite-atranorin-suppresses-lung-cancer-cell-motility-and-tumorigenesis
#20
Rui Zhou, Yi Yang, So-Yeon Park, Thanh Thi Nguyen, Young-Woo Seo, Kyung Hwa Lee, Jae Hyuk Lee, Kyung Keun Kim, Jae-Seoun Hur, Hangun Kim
Lichens are symbiotic organisms that produce various secondary metabolites. Here, different lichen extracts were examined to identify secondary metabolites with anti-migratory activity against human lung cancer cells. Everniastrum vexans had the most potent inhibitory activity, and atranorin was identified as an active subcomponent of this extract. Atranorin suppressed β-catenin-mediated TOPFLASH activity by inhibiting the nuclear import of β-catenin and downregulating β-catenin/LEF and c-jun/AP-1 downstream target genes such as CD44, cyclin-D1 and c-myc...
August 15, 2017: Scientific Reports
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