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https://www.readbyqxmd.com/read/28938552/novel-pleiotropic-effects-of-bioactive-phospholipids-in-human-lung-cancer-metastasis
#1
Gabriela Schneider, Zachariah Payne Sellers, Kamila Bujko, Sham S Kakar, Magda Kucia, Mariusz Z Ratajczak
We previously proposed that one of the unwanted side effects of chemotherapy and radiotherapy is the increase in several peptide- and non-peptide based chemoattractants in damaged tissues, leading to induction of a prometastatic microenvironment for remaining cancer cells. Herein, we turned out our attention to a potential role of bioactive phospholipids (BphsLs), such as sphingosine-1-phosphate (S1P), ceramide-1-phosphate (C1P), lysophosphatidylcholine (LPC), and lysophosphatidic acid (LPA) in lung cancer (LC) metastasis...
August 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28938541/differential-expression-of-circulating-biomarkers-of-tumor-phenotype-and-outcomes-in-previously-treated-non-small-cell-lung-cancer-patients-receiving-erlotinib-vs-cytotoxic-chemotherapy
#2
Mary Jo Fidler, Casey Frankenberger, Richard Seto, Gabriela C Lobato, Cristina L Fhied, Selina Sayidine, Sanjib Basu, Mark Pool, Reem Karmali, Marta Batus, Wen-Rong Lie, David Hayes, Jehangir Mistry, Philip Bonomi, Jeffrey A Borgia
BACKGROUND: The objective of this study was to identify serum biomarkers capable of predicting clinical outcomes in previously-treated NSCLC patients with wild-type for EGFR activating mutations or insufficient tissue for mutation status determination. METHODS: Sixty-six Luminex immunoassays representative of biological themes that emerged from a re-analysis of transcriptome data from the Cancer Genome Atlas (TCGA) were evaluate against pretreatment serum specimens from previously-treated advanced NSCLC patients received either cytotoxic chemotherapy (n=32) or erlotinib (n=79)...
August 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28936177/withaferin-a-induces-oxidative-stress-mediated-apoptosis-and-dna-damage-in-oral-cancer-cells
#3
Hsueh-Wei Chang, Ruei-Nian Li, Hui-Ru Wang, Jing-Ru Liu, Jen-Yang Tang, Hurng-Wern Huang, Yu-Hsuan Chan, Ching-Yu Yen
Withaferin A (WFA) is one of the most active steroidal lactones with reactive oxygen species (ROS) modulating effects against several types of cancer. ROS regulation involves selective killing. However, the anticancer and selective killing effects of WFA against oral cancer cells remain unclear. We evaluated whether the killing ability of WFA is selective, and we explored its mechanism against oral cancer cells. An MTS tetrazolium cell proliferation assay confirmed that WFA selectively killed two oral cancer cells (Ca9-22 and CAL 27) rather than normal oral cells (HGF-1)...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28931787/heparin-induces-the-mobilization-of-heart-derived-multipotent-mesoangioblasts-during-cardiac-surgery-with-cardiopulmonary-bypass-or-cardiac-catheterization
#4
Yoshihiro Hata, Masayoshi Iwasaki, Keisuke Fujitaka, Haengnam Park, Daisuke Sato, Chiharu Enoki, Naoki Minato, Keita Horitani, Miyuki Nakano, Hiroshi Kishimoto, Kensaku Wada, Masamichi Koyanagi, Yasushi Adachi, Yoshihiro Yamamoto, Andreas M Zeiher, Stefanie Dimmeler, Ichiro Shiojima
BACKGROUND: We previously identified circulating mesoangioblasts (cMABs), a subset of mesenchymal stem cells that express cardiac mesodermal markers, in patients undergoing cardiac surgery with cardiopulmonary bypass (CPB). We also found that hepatocyte growth factor (HGF) is upregulated during cardiac surgery with CPB in humans, and induces MAB-like cell mobilization in rodents. These results strongly suggest that heparin induced MAB mobilization via HGF upregulation. Here, we tested this hypothesis in patients undergoing cardiac surgery or cardiac catheterization...
September 21, 2017: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/28922541/effects-of-collagen-peptides-intake-on-skin-ageing-and-platelet-release-in-chronologically-aged-mice-revealed-by-cytokine-array-analysis
#5
Hongdong Song, Ling Zhang, Yongkang Luo, Siqi Zhang, Bo Li
Action mechanisms underlying various biological activities of collagen peptides (CPs) remained to be elucidated. Cytokines may play an important role in mediating these health benefits of CPs. This study aimed to systemically examine the cytokines in skin and blood regulated by CPs intake. Thirteen-month-old female Kunming mice were administered with CPs for 2 months (0 or 400 mg/kg bodyweight/day). The cytokines in skin and plasma were analysed using a 53-cytokine array and corresponding ELISA kits. In skin, CPs intake significantly down-regulated placenta growth factor (PIGF-2), insulin-like growth factor (IGF)-binding protein (IGFBP) -2 and IGFBP-3, and up-regulated platelet factor 4 (PF4), serpin E1 and transforming growth factor (TGF)-β1 ...
September 18, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28917835/antitumor-activity-pharmacokinetics-tumor-homing-effect-and-hepatotoxicity-of-a-species-cross-reactive-c-met-antibody
#6
Hyunkyu Park, Donggeon Kim, Eunju Son, Sunhwa Shin, Jason K Sa, Seok-Hyung Kim, Yeup Yoon, Do-Hyun Nam
The receptor tyrosine kinase c-Met plays critical roles in promoting tumor growth, invasion, metastasis, and angiogenesis in various types of cancer and is a promising therapeutic target. The development of a species cross-reactive therapeutic antibody could provide useful to comprehensive preclinical assessment in animal models. Towards this goal, we developed human/mouse cross-reactive c-Met antibodies using an antibody phage library. IRCR201, a c-Met antibody with species cross-reactivity, successfully inhibited the HGF/c-Met signaling pathway via degradation of c-Met and disruption of the binding with its partners, and demonstrated strong in vivo antitumor activity...
September 13, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28903317/pd-l1-and-c-met-expression-and-survival-in-patients-with-small-cell-lung-cancer
#7
Lulu Miao, Yunyun Lu, Yanjun Xu, Gu Zhang, Zhiyu Huang, Lei Gong, Yun Fan
BACKGROUND: Blocking the binding between the PD-1 and PD-L1 has been reported to produce antitumor responses. The MET/HGF axis appears to be another signaling pathway frequently altered in small cell lung cancer (SCLC). Our study was aimed to investigate the expression and prognostic roles of PD-L1 and c-MET in SCLC. METHODS: The expression levels of PD-L1 and c-MET were evaluated by immunohistochemical analysis in 83 SCLC specimens. Survival analysis was performed using the Kaplan-Meier method...
August 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28902178/tumor-inhibitory-effect-of-ircr201-a-novel-cross-reactive-c-met-antibody-targeting-the-psi-domain
#8
Hyunkyu Park, Donggeon Kim, Eunmi Kim, Jason K Sa, Hee Won Lee, Suji Yu, Jiwon Oh, Seok-Hyung Kim, Yeup Yoon, Do-Hyun Nam
Hepatocyte growth factor receptor (HGFR, c-Met) is an essential member of the receptor tyrosine kinase (RTK) family that is often dysregulated during tumor progression, driving a malignant phenotypic state and modulating important cellular functions including tumor growth, invasion, metastasis, and angiogenesis, providing a strong rationale for targeting HGF/c-Met signaling axis in cancer therapy. Based on its protumorigenic potentials, we developed IRCR201, a potent antagonistic antibody targeting the plexin-semaphorin-integrin (PSI) domain of c-Met, using synthetic human antibody phage libraries...
September 13, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28900389/cerebellar-atrophy-and-changes-in-cytokines-associated-with-the-cacna1a-r583q-mutation-in-a-russian-familial-hemiplegic-migraine-type-1-family
#9
Svetlana F Khaiboullina, Elena G Mendelevich, Leyla H Shigapova, Elena Shagimardanova, Guzel Gazizova, Alexey Nikitin, Ekaterina Martynova, Yuriy N Davidyuk, Enver I Bogdanov, Oleg Gusev, Arn M J M van den Maagdenberg, Rashid A Giniatullin, Albert A Rizvanov
Background: Immune mechanisms recently emerged as important contributors to migraine pathology with cytokines affecting neuronal excitation. Therefore, elucidating the profile of cytokines activated in various forms of migraine, including those with a known genetic cause, can help in diagnostic and therapeutic approaches. Methods: Here we (i) performed exome sequencing to identify the causal gene mutation and (ii) measured, using Bio-Plex technology, 22 cytokines in serum of patients with familial migraine (two with hemiplegic migraine and two with migraine with aura) from a Russian family that ethnically belongs to the Tatar population...
2017: Frontiers in Cellular Neuroscience
https://www.readbyqxmd.com/read/28900150/high-throughput-data-analyses-of-the-immune-characteristics-of-microtus-fortis-infected-with-schistosoma-japonicum
#10
Yuan Hu, Lei Sun, Zhongying Yuan, Yuxin Xu, Jianping Cao
Microtus fortis exhibits natural resistance against Schistosoma japonicum, and the parasite cannot grow and develop in M. fortis. Extensive research has been carried out, however, the associated mechanism remains unclear. In the present study, we analysed the combined data obtained from a cytokine chip assay, transcriptome, and metabolome. The cytokine profile from C57BL/6 and M. fortis mice was assessed before and after infection. Several cytokines increased during the second and third week post-infection...
September 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28895412/predictive-values-of-fap-and-hgf-for-tumor-angiogenesis-and-metastasis-in-colorectal-cancer
#11
T H Ma, C C Gao, R Xie, X Z Yang, W J Dai, J L Zhang, W Yan, S N Wu
This study aims to explore the correlation of hepatocyte growth factor (HGF) and fibroblast activation protein (FAP) expressions with the angiogenesis and metastasis in colorectal cancer (CRC). The immunohistochemical SABC method was used to detect HGF and FAP expressions in 127 CRC tissues, 51 colorectal polyp tissues and 28 normal tissues. HGF and FAP expressions in liver metastasis were detected using western blot to analyze the correlation of their expressions with lymph node metastasis and liver metastasis...
September 12, 2017: Neoplasma
https://www.readbyqxmd.com/read/28895052/the-effects-of-periostin-in-a-rat-model-of-isoproterenol-mediated-cardiotoxicity
#12
Mahmut Sözmen, Alparslan K Devrim, Yonca B Kabak, Tuba Devrim, Mert Sudagidan
Periostin is an extracellular matrix protein from fasciclin family, and it plays an important role in the cell adhesion, migration, and growth of the organism. Periostin prevents apoptosis while stimulating cardiomyocytes. The present study was designed to investigate cardioprotective effects of the recombinant murine periostin peptide administration in a rat model of isoproterenol (ISO)-induced myocardial injury. The experiment was performed on 84 adult male Sprague Dawley rats in 4 groups (n = 21): control group (1), periostin-treated group (2), ISO-treated group (3), and ISO + periostin-treated group (4)...
September 11, 2017: Cardiovascular Toxicology
https://www.readbyqxmd.com/read/28890386/co-targeting-c-met-and-dna-double-strand-breaks-dsbs-therapeutic-strategies-in-brca-mutated-gastric-carcinomas
#13
REVIEW
Chrysovalantou Mihailidou, Michalis V Karamouzis, Dimitrios Schizas, Athanasios G Papavassiliou
Gastric cancer (GC) is a threatening malignancy characterized by heterogeneity. Current therapies use DNA damaging agents, for example, chemotherapeutic agents and ionizing radiation (IR). However, a significant portion of GC patients develops therapeutic resistance to DNA damage response (DDR) - inducing agents. An important mechanism is the stimulation of the c-MET RTK, which is a tyrosine kinase receptor and its ligand hepatocyte growth factor (HGF), which facilitates cell survival by boosting DNA damage repair pathways and via escaping cell cycle arrest...
September 7, 2017: Biochimie
https://www.readbyqxmd.com/read/28888686/fibroblast-derived-hgf-drives-acinar-lung-cancer-cell-polarization-through-integrin-dependent-rhoa-rock1-inhibition
#14
Anirban Datta, Emma Sandilands, Keith E Mostov, David M Bryant
The formation of lumens in epithelial tissues requires apical-basal polarization of cells, and the co-ordination of this individual polarity collectively around a contiguous lumen. Signals from the Extracellular Matrix (ECM) instruct epithelia as to the orientation of where basal, and thus consequently apical, surfaces should be formed. We report that this pathway is normally absent in Calu-3 human lung adenocarcinoma cells in 3-Dimensional culture, but that paracrine signals from MRC5 lung fibroblasts can induce correct orientation of polarity and acinar morphogenesis...
September 6, 2017: Cellular Signalling
https://www.readbyqxmd.com/read/28888101/what-s-new-in-sclc-a-review
#15
REVIEW
Bryan Oronsky, Tony R Reid, Arnold Oronsky, Corey A Carter
A few years ago the answer to the question in the title of this review would have been, "unfortunately not much" or even "nothing", likely eliciting knowing nods of agreement from oncologists. For the last 3 decades, SCLC has been notorious for its lack of progress, as drug after drug, over 60 of them, in fact, including inhibitors of VEGF, IGFR, mTOR, EGFR and HGF has failed and fallen by the wayside due to little or no impact on PFS or OS, while SCLC's cousin, NSCLC, has notched success after success with a spate of targeted treatment and immunotherapy regulatory approvals...
September 6, 2017: Neoplasia: An International Journal for Oncology Research
https://www.readbyqxmd.com/read/28880936/reduced-microrna-503-expression-augments-lung-fibroblast-vegf-production-in-chronic-obstructive-pulmonary-disease
#16
Jun Ikari, Amy J Nelson, Jannah Obaid, Alvaro Giron-Martinez, Kumiko Ikari, Fumihiko Makino, Shunichiro Iwasawa, Yoko Gunji, Maha Farid, Xingqi Wang, Hesham Basma, Dawn Demeo, Carol Feghali-Bostwick, Olaf Holz, Klaus Rabe, Xiangde Liu, Stephen I Rennard
Alterations in microRNA (miRNA) expression may contribute to COPD pathogenesis. In COPD, lung fibroblast repair functions are altered in multiple ways, including extracellular mediator release. Our prior study revealed miR-503 expression is decreased in COPD lung fibroblasts, although the exact role played by miR-503 is undetermined. The current study examined a role of miR-503 in cytokine, growth factor and fibronectin production by lung fibroblasts from patients with and without COPD. Primary adult lung fibroblasts were isolated from patients with or without COPD...
2017: PloS One
https://www.readbyqxmd.com/read/28873339/non-invasive-strategies-for-stimulating-endogenous-repair-and-regenerative-mechanisms-in-the-damaged-heart
#17
REVIEW
Fiona C Lewis, Siri Deva Kumar, Georgina M Ellison-Hughes
The adult myocardium, including human, harbours a population of resident multi-potent cardiac stem cells (CSCs), which when stimulated under the right conditions can give rise to new cardiomyocytes and vasculature. Elucidation of the cellular and molecular mechanisms that govern CSC biology and their role in myocardial regeneration will allow the design and development of optimal therapeutic interventions. It is now evident that different growth factors and cytokines govern CSC survival, proliferation, migration and differentiation, as well as playing a role in activating cardiac repair mechanisms such as improving angiogenesis, cardiomyocyte survival and limiting fibrosis...
September 2, 2017: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/28872994/comparison-of-cytotoxicity-of-new-nanohybrid-composite-giomer-glass-ionomer-and-silver-reinforced-glass-ionomer-using-human-gingival-fibroblast-cell-line
#18
Fatemeh Koohpeima, Mohammad Javad Mokhtari, Maryam Doozandeh, Zahra Jowkar, Fatemeh Yazdanshenas
AIM: The objective of this study was to investigate the cytotoxic effects of new nanohybrid composite, giomer, conventional and resin modified and silver reinforced glass ionomer cements and compare the biocompatibility of these dental materials in cell culture. STUDY DESIGN: Five cylindrical specimens were made of each material, using a mold (2mm. thick and 5 mm in diameter). For HGF, cells were cultured in RPMI-1640 medium. After attaining 80% confluence, cells were treated with different doses of five tested materials for 24h...
2017: Journal of Clinical Pediatric Dentistry
https://www.readbyqxmd.com/read/28869034/plasticity-and-function-of-human-skeletal-muscle-in-relation-to-disuse-and-rehabilitation-influence-of-ageing-and-surgery
#19
Charlotte Suetta
In order to study the influence of disuse and aging on skeletal muscle homeostasis, different human models were employed. Effects of chronic disuse were investigated in elderly patients suffering from uni-lateral hip-osteoarthritis, whereas the effect of short-term disuse (4 and 14 days of unilateral lower limb immobilisation) was assessed in healthy young and old individuals. In summary, chronic muscle disuse in the elderly was associated with marked quantitative as well as qualitative neuromuscular impairments...
August 2017: Danish Medical Journal
https://www.readbyqxmd.com/read/28864680/dual-inhibition-of-hedgehog-and-c-met-pathways-for-pancreatic-cancer-treatment
#20
Agnieszka A Rucki, Qian Xiao, Stephen Muth, Jianlin Chen, Xu Che, Jennifer Kleponis, Rajni Sharma, Robert A Anders, Elizabeth M Jaffee, Lei Zheng
Pancreatic adenocarcinoma (PDA) is one of the most chemotherapy and radiotherapy resistant tumors. The c-Met and Hedgehog (Hh) pathways have been shown previously by our group to be key regulatory pathways in the primary tumor growth and metastases formation. Targeting both the HGF/c-Met and Hh pathways has shown promising results in pre-clinical studies; however, the benefits were not readily translated into to clinical trials with PDA patients. In this study, utilizing mouse models of PDA, we showed that inhibition of either HGF/c-Met or Hh pathways sensitize the PDA tumors to gemcitabine resulting in decreased primary tumor volume as well as significant reduction of metastatic tumor burden...
September 1, 2017: Molecular Cancer Therapeutics
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