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https://www.readbyqxmd.com/read/27917009/induced-expression-of-cancer-stem-cell-markers-aldh1a3-and-sox-2-in-hierarchical-reconstitution-of-apoptosis-resistant-human-breast-cancer-cells
#1
Karin Kashii-Magaribuchi, Rie Takeuchi, Yuko Haisa, Akemi Sakamoto, Aimi Itoh, Yuki Izawa, Miyuki Isa, Mayu Fukuzawa, Motonobu Murakami, Rei Takahashi
We established an experimental system that can induce p53-dependent apoptosis by doxycycline treatment to analyze characteristics of the apoptosis-resistant cancer cell subpopulation in the human breast cancer cell line HCC1937. Expression patterns of the stem cell markers, ALDH1A3 and Sox-2, the luminal differentiation marker, GATA3 and the proliferation index marker, Ki-67 were analyzed using immunostaining and fluorescence-activated cell sorting (FACS). After doxycycline treatment, the number of viable cells was gradually decreased over seven days in a time-dependent manner due to p53-induced apoptosis; however, the number of smaller-sized ALDH1A3(+) cells assessed by immunostaining increased sharply after 1 day of doxycycline treatment, suggesting their apoptosis-resistant nature...
November 1, 2016: Acta Histochemica et Cytochemica
https://www.readbyqxmd.com/read/27911869/paclitaxel-oxaliplatin-fluorouracil-tof-regimen-versus-s-1-oxaliplatin-sox-regimen-for-metastatic-gastric-cancer-patients
#2
Xichao Dai, Xizhi Zhang, Chaomin Wang, Jingting Jiang, Changping Wu
AIMS AND BACKGROUND: This study was designed to compare the efficacy and safety of paclitaxel/oxaliplatin/fluorouracil (TOF) regimen and S-1/oxaliplatin (SOX) regimen for metastatic gastric cancer (GC) patients. METHODS: Sixty patients were divided into TOF group and SOX groups randomly. Patients in the TOF group received paclitaxel (135 mg/m2 iv) on day 1, oxaliplatin (100 mg/m2 iv) on day 1, fluorouracil (500 mg/m2 continuous iv) on day 1-5. The patients in the SOX group received oxaliplatin (130 mg/m2 iv) on day 1 and S-1 (40 mg~60mg orally twice/day based on body surface area) on days 1-14...
November 30, 2016: Oncotarget
https://www.readbyqxmd.com/read/27900891/chondrogenesis-of-human-adipose-derived-stem-cells-for-future-microtia-repair-using-co-culture-technique
#3
Bee See Goh, Siti Nurhadis Che Omar, Muhammad Azhan Ubaidah, Lokman Saim, Shamsul Sulaiman, Kien Hui Chua
CONCLUSION: In conclusion, these result showed HADSCs could differentiate into chondrocytes-like cells, dependent on signaling induced by TGF-β3 and chondrocytes. This is a promising result and showed that HADSCs is a potential source for future microtia repair. The technique of co-culture is a positive way forward to assist the microtia tissue. OBJECTIVE: Reconstructive surgery for the repair of microtia still remains the greatest challenge among the surgeons...
November 30, 2016: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/27895125/lineage-specific-soxr-mediated-regulation-of-an-endoribonuclease-protects-non-enteric-bacteria-from-redox-active-compounds
#4
Jisun Kim, Chulwoo Park, James A Imlay, Woojun Park
Bacteria use redox-sensitive transcription factors to coordinate responses to redox stress. The [2Fe-2S] cluster-containing transcription factor SoxR is particularly tuned to protect cells against redox-active compounds (RACs). In enteric bacteria, SoxR is paired with a second transcription factor, SoxS, that activates downstream effectors. However, SoxS is absent in non-enteric bacteria, raising questions as to how SoxR functions. Here, we first show that SoxR of Acinetobacter oleivorans displayed similar activation profiles in response to RACs as did its homolog from Escherichia coli, but controlled a different set of target genes, including sinE, which encodes an endoribonuclease...
November 28, 2016: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/27863298/butein-inhibits-il-1%C3%AE-induced-inflammatory-response-in-human-osteoarthritis-chondrocytes-and-slows-the-progression-of-osteoarthritis-in-mice
#5
Wenhao Zheng, Hui Zhang, Yonglong Jin, Quan Wang, Linwei Chen, Zhenhua Feng, Hua Chen, Yaosen Wu
Osteoarthritis (OA) is a progressive degenerative disease characterized by irreversible articular cartilage destruction. Butein, a polyphenolic compound isolated from the stem bark of cashews and Rhus verniciflua Stokes, has been reported to have anti-inflammatory effects. This study aimed to assess the effect of butein on human OA chondrocytes and mice OA models induced by destabilization of the medial meniscus (DMM). In vitro, human OA chondrocytes were pretreated with butein at 10, 50μM and subsequently stimulated with IL-1β (10ng/ml) for 24h...
November 14, 2016: International Immunopharmacology
https://www.readbyqxmd.com/read/27856123/prognostic-impact-of-primary-tumor-location-on-clinical-outcomes-of-metastatic-colorectal-cancer-treated-with-cetuximab-plus-oxaliplatin-based-chemotherapy-a-subgroup-analysis-of-the-jaccro-cc-05-06-trials
#6
Yu Sunakawa, Wataru Ichikawa, Akihito Tsuji, Tadamichi Denda, Yoshihiko Segawa, Yuji Negoro, Ken Shimada, Mitsugu Kochi, Masato Nakamura, Masahito Kotaka, Hiroaki Tanioka, Akinori Takagane, Satoshi Tani, Tatsuro Yamaguchi, Takanori Watanabe, Masahiro Takeuchi, Masashi Fujii, Toshifusa Nakajima
INTRODUCTION: Primary tumor location is a critical prognostic factor in metastatic colorectal cancer (mCRC); however, it remains unclear whether tumor location is a predictor of the response to cetuximab treatment. It is also uncertain if BRAF mutation contributes to the impact of tumor location on survival. We assessed the prognostic impact of tumor location on clinical outcomes in mCRC patients treated with first-line cetuximab chemotherapy. PATIENTS AND METHODS: The associations of tumor location with overall survival and progression-free survival were evaluated in mCRC patients with KRAS exon 2 wild-type tumors who were enrolled onto 2 clinical trials: JACCRO CC-05 of cetuximab plus FOLFOX (n = 57, UMIN000004197) and CC-06 of cetuximab plus SOX (n = 61, UMIN000007022)...
October 6, 2016: Clinical Colorectal Cancer
https://www.readbyqxmd.com/read/27833986/dermal-plexiform-spindle-cell-lipoma
#7
José Fernando Val-Bernal, Sandra Hermana
Spindle cell lipoma located in the dermis is uncommon. The plexiform variant of this tumor is rare. In fact, only six cases of this variant have been described previously. We report herein a case of dermal plexiform spindle cell lipoma with prominent myxoid matrix. A 47-year-old male patient presented with a solitary, 2.2 cm-cutaneous mass in the right buttock region that had slowly increased in size for over one year. The dermal lesion was characterized by a mixture of mature adipocytes, spindle shaped cells and inconspicuous ropey collagen bundles in a mucinous background...
2016: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/27822684/impact-of-progression-type-on-overall-survival-in-patients-with-advanced-gastric-cancer-based-on-randomized-phase-iii-study-of-s-1-plus-oxaliplatin-versus-s-1-plus-cisplatin
#8
Kazuhiro Nishikawa, Yasuhide Yamada, Kenji Ishido, Masahiro Gotoh, Hideaki Bando, Naotoshi Sugimoto, Tomohiro Nishina, Kenji Amagai, Keisho Chin, Yasumasa Niwa, Akihito Tsuji, Hiroshi Imamura, Masahiro Tsuda, Hirofumi Yasui, Hirofumi Fujii, Kensei Yamaguchi, Hisateru Yasui, Shuichi Hironaka, Ken Shimada, Hiroto Miwa, Chikuma Hamada, Ichinosuke Hyodo
BACKGROUND: The association between progression type and survival has been reported in breast cancer, but remains unclear in advanced gastric cancer (AGC). Here, this association was assessed using data obtained from an earlier randomized phase III study demonstrating the non-inferiority of S-1 plus oxaliplatin (SOX) to S-1 plus cisplatin (CS) on progression-free survival and overall survival (OS) in the first-line treatment of AGC. METHODS: A Cox regression model including two time-dependent covariates, progression with new lesions and with no new lesions, was used to determine their effect on OS in each treatment group...
November 7, 2016: Gastric Cancer
https://www.readbyqxmd.com/read/27821864/chondrogenic-potential-of-peripheral-blood-derived-mesenchymal-stem-cells-seeded-on-demineralized-cancellous-bone-scaffolds
#9
Shao-Jie Wang, Dong Jiang, Zheng-Zheng Zhang, Ai-Bing Huang, Yan-Song Qi, Hai-Jun Wang, Ji-Ying Zhang, Jia-Kuo Yu
As a cell source with large quantity and easy access, peripheral blood mesenchymal stem cells (PBMSCs) were isolated and seeded in porcine demineralized cancellous bone (DCB) scaffolds, cultured in chondrogenic medium and evaluated for in vitro chondrogenesis. Bone marrow MSCs (BMMSCs) and articular cartilage chondrocytes (ACCs) underwent the same process as controls. The morphology, viability and proliferation of PBMSCs in DCB scaffolds were similar to those of BMMSCs and ACCs. PBMSCs and BMMSCs showed similar chondrogenesis potential with consistent production of COL 2 and SOX 9 protein and increased COL 2 and AGC mRNA expressions at week 3 but the COL 2 protein production was still less than that of ACCs...
November 8, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27821050/stringent-comparative-sequence-analysis-reveals-sox10-as-a-putative-inhibitor-of-glial-cell-differentiation
#10
Chetna Gopinath, William D Law, José F Rodríguez-Molina, Arjun B Prasad, Lingyun Song, Gregory E Crawford, James C Mullikin, John Svaren, Anthony Antonellis
BACKGROUND: The transcription factor SOX10 is essential for all stages of Schwann cell development including myelination. SOX10 cooperates with other transcription factors to activate the expression of key myelin genes in Schwann cells and is therefore a context-dependent, pro-myelination transcription factor. As such, the identification of genes regulated by SOX10 will provide insight into Schwann cell biology and related diseases. While genome-wide studies have successfully revealed SOX10 target genes, these efforts mainly focused on myelinating stages of Schwann cell development...
November 7, 2016: BMC Genomics
https://www.readbyqxmd.com/read/27803845/a-multi-institutional-feasibility-study-of-s-1-oxaliplatin-plus-bevacizumab-in-patients-with-advanced-metastatic-colorectal-cancer-the-hisco-02-prospective-phase-ii-study
#11
Manabu Shimomura, Katsunori Shinozaki, Takao Hinoi, Masanori Yoshimitsu, Manabu Kurayoshi, Daisuke Sumitani, Yasuyo Ishizaki, Takafumi Oshiro, Shinya Kodama, Yosuke Shimizu, Michinori Arita, Masakazu Tokunaga, Makoto Yoshida, Junko Tanaka, Hideki Ohdan
PURPOSE: FOLFOX is a standard combination chemotherapy regimen for metastatic colorectal cancer (CRC). 5-Fluorouracil (5-FU) is infused continuously through a pump for 46 h; therefore, replacement of infused 5-FU with oral S-1 would be more convenient for patients. We investigated the efficacy and safety of S-1/oxaliplatin (SOX) plus bevacizumab regimen in a community setting. METHODS: We conducted a phase II clinical study in Hiroshima, Japan. We enrolled individuals aged 20-80 years who had metastatic CRC, an Eastern Cooperative Oncology Group performance status of 0 or 1, assessable lesions, and not received previous chemotherapy...
2016: SpringerPlus
https://www.readbyqxmd.com/read/27796199/establishing-proximal-and-distal-regional-identities-in-murine-and-human-tissue-engineered-lung-and-trachea
#12
Andrew Trecartin, Soula Danopoulos, Ryan Spurrier, Hanaa Knaneh-Monem, Michael Hiatt, Barbara Driscoll, Christian Hochstim, Denise Al-Alam, Tracy C Grikscheit
The cellular and molecular mechanisms that underpin regeneration of the human lung are unknown, and the study of lung repair has been impeded by the necessity for reductionist models that may exclude key components. We hypothesized that multicellular epithelial and mesenchymal cell clusters or lung organoid units (LuOU) could be transplanted to recapitulate proximal and distal cellular structures of the native lung and airways. Transplantation of LuOU resulted in the growth of tissue-engineered lung (TELu) that contained the necessary cell types consistent with native adult lung tissue and demonstrated proliferative cells at 2 and 4 weeks...
November 2016: Tissue Engineering. Part C, Methods
https://www.readbyqxmd.com/read/27773828/deriving-a-clinical-prediction-rule-for-coronary-artery-disease-in-primary-care-improving-internal-and-external-validity-by-pooling-individual-patient-data-from-five-international-sites
#13
Marc Aerts, Girma Minalu, Stefan Bösner, Frank Buntinx, Bernard Burnand, Jörg Haasenritter, Lilli Herzig, J André Knottnerus, Staffan Nilsson, Walter Renier, Carol Sox, Harold Sox, Norbert Donner-Banzhoff
OBJECTIVE: To construct a clinical prediction rule for coronary artery disease (CAD) presenting with chest pain in primary care. STUDY DESIGN: Meta-Analysis using 3099 patients from 5 studies. To identify candidate predictors, we used random forest trees, multiple imputation of missing values and logistic regression within individual studies. To generate a prediction rule on the pooled data, we applied a regression model that took account of the differing standard data sets collected by the 5 studies...
October 20, 2016: Journal of Clinical Epidemiology
https://www.readbyqxmd.com/read/27766859/differential-effects-of-high-atmospheric-n-and-s-deposition-on-bog-plant-lichen-tissue-and-porewater-chemistry-across-the-athabasca-oil-sands-region
#14
R Kelman Wieder, Melanie A Vile, Kimberli D Scott, Cara M Albright, Kelly McMillen, Dale H Vitt, Mark Fenn
Oil extraction and development activities in the Athabasca Oil Sands Region of northern Alberta, Canada release NOx, SOx, and NHx to the atmosphere, ultimately resulting in increasing N and S inputs to surrounding ecosystems through atmospheric deposition. Peatlands are a major feature of the northern Alberta landscape, with bogs covering 6-10% of the land area, and fens covering 21-53%. Bulk deposition of NH4+-N, NO3--N, total inorganic N (TIN), and SO42--S, was quantified using ion exchange resin collectors deployed at 23 locations, over 1-6 years, reveal maximum N and S deposition of 9...
October 21, 2016: Environmental Science & Technology
https://www.readbyqxmd.com/read/27742920/strenuous-treadmill-running-induces-a-chondrocyte-phenotype-in-rat-achilles-tendons
#15
Shao-Yong Xu, Shu-Fen Li, Guo-Xin Ni
BACKGROUND Although tendinopathy is common, its underlying pathogenesis is poorly understood. This study aimed to investigate the possible pathogenesis of tendinopathy. MATERIAL AND METHODS In this study, a total of 24 rats were randomly and evenly divided into a control (CON) group and a strenuous treadmill running (STR) group. Animals in the STR group were subjected to a 12-week treadmill running protocol. Subsequently, all Achilles tendons were harvested to perform histological observation or biochemical analyses...
October 15, 2016: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/27734340/ski-modulate-the-characteristics-of-pancreatic-cancer-stem-cells-via-regulating-sonic-hedgehog-signaling-pathway
#16
Libin Song, Xiangyuan Chen, Song Gao, Chenyue Zhang, Chao Qu, Peng Wang, Luming Liu
Evidence from in vitro and in vivo studies shows that Ski may act as both a tumor proliferation-promoting factor and a metastatic suppressor in human pancreatic cancer and also may be a therapeutic target of integrative therapies. At present, pancreatic cancer stem cells (CSCs) are responsible for tumor recurrence accompanied by resistance to conventional therapies. Sonic hedgehog (Shh) signaling pathway is found to be aberrantly activated in CSCs. The objectives of this study were to investigate the role of Ski in modulating pancreatic CSCs and to examine the molecular mechanisms involved in pancreatic cancer treatment both in vivo and in vitro...
October 12, 2016: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/27709418/proliferation-of-rabbit-chondrocyte-and-inhibition-of-il-1%C3%AE-induced-apoptosis-through-mek-erk-signaling-by-statins
#17
Bin Zhou, Deheng Chen, Huazi Xu, Xiaolei Zhang
Chondrocyte plays a critical role in endochondral ossification and cartilage repair by maintaining the cartilaginous matrix. Statins have been widely used to lower the cholesterol level in patients with cardiovascular disorders. Previous research has demonstrated potential role of statins in chondrocyte proliferation. This study addresses the proliferation-regulatory effect of lovastatin in rabbit chondrocytes as well as the underlying signaling mechanisms, thereby exploring its potential application in chondrocyte-related disorders, such as cartilage damage and osteoarthritis...
October 3, 2016: In Vitro Cellular & Developmental Biology. Animal
https://www.readbyqxmd.com/read/27708749/permanent-draft-genome-of-thermithiobaclillus-tepidarius-dsm-3134-t-a-moderately-thermophilic-obligately-chemolithoautotrophic-member-of-the-acidithiobacillia
#18
Rich Boden, Lee P Hutt, Marcel Huntemann, Alicia Clum, Manoj Pillay, Krishnaveni Palaniappan, Neha Varghese, Natalia Mikhailova, Dimitrios Stamatis, Tatiparthi Reddy, Chew Yee Ngan, Chris Daum, Nicole Shapiro, Victor Markowitz, Natalia Ivanova, Tanja Woyke, Nikos Kyrpides
Thermithiobacillus tepidarius DSM 3134(T) was originally isolated (1983) from the waters of a sulfidic spring entering the Roman Baths (Temple of Sulis-Minerva) at Bath, United Kingdom and is an obligate chemolithoautotroph growing at the expense of reduced sulfur species. This strain has a genome size of 2,958,498 bp. Here we report the genome sequence, annotation and characteristics. The genome comprises 2,902 protein coding and 66 RNA coding genes. Genes responsible for the transaldolase variant of the Calvin-Benson-Bassham cycle were identified along with a biosynthetic horseshoe in lieu of Krebs' cycle sensu stricto...
2016: Standards in Genomic Sciences
https://www.readbyqxmd.com/read/27699032/efficacy-and-safety-of-oxaliplatin-bevacizumab-and-oral-s-1-for-advanced-recurrent-colorectal-cancer
#19
Shuji Suzuki, Jiro Shimazaki, Keiichi Morishita, Nobusada Koike, Nobuhiko Harada, Tsuneo Hayashi, Mamoru Suzuki
The aim of this study was to evaluate the efficacy and safety of co-administration of oral S-1 and oxaliplatin (SOX) in combination with bevacizumab (bev) in patients with advanced recurrent colorectal cancer. A retrospective study of 36 patients with advanced recurrent colorectal cancer was performed, of whom 27 received first-line and 9 received second-line SOX+bev chemotherapy between 2010 and 2013 at the Hachioji Digestive Disease Hospital (Hachioji, Japan). The SOX+bev regimen consisted of administration of intravenous oxaliplatin (85 mg/m(2)) on days 1 and 14, bevacizumab (5 mg/kg) on day 1, and co-administration of oral S-1 twice daily on days 1-14...
October 2016: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/27698403/a-genetic-variant-in-rassf1a-predicts-outcome-in-mcrc-patients-treated-with-cetuximab-plus-chemotherapy-results-from-fire-3-and-jaccro-05-and-06-trials
#20
A Sebio, S Stintzing, V Heinemann, Y Sunakawa, W Zhang, W Ichikawa, A Tsuji, T Takahashi, A Parek, D Yang, S Cao, Y Ning, S Stremitzer, S Matsusaka, S Okazaki, A Barzi, M D Berger, H-J Lenz
The Hippo pathway is involved in colorectal cancer (CRC) development and progression. The Hippo regulator Rassf1a is also involved in the Ras signaling cascade. In this work, we tested single nucleotide polymorphisms within Hippo components and their association with outcome in CRC patients treated with cetuximab. Two cohorts treated with cetuximab plus chemotherapy were evaluated (198 RAS wild-type (WT) patients treated with first-line FOLFIRI plus Cetuximab within the FIRE-3 trial and 67 Ras WT patients treated either with first-line mFOLFOX6 or SOX plus Cetuximab)...
October 4, 2016: Pharmacogenomics Journal
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