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https://www.readbyqxmd.com/read/29783159/fas-fasl-interaction-mediates-imbalanced-cytokine-cytotoxicity-responses-of-inkt-cells-against-jurkat-cells
#1
Rui Dou, Zhenya Hong, Xiaosheng Tan, Fenfen Hu, Yajie Ding, Wei Wang, Zhihui Liang, Rongrong Zhong, Xiongwen Wu, Xiufang Weng
The rapid antitumor cytokine production and direct cytotoxicity confer invariant NKT (iNKT) cells ideal candidates for cancer therapy. However, the therapeutic potential of iNKT cells in T-cell malignant diseases remains elusive, as antigen presentation by T cells (T-T presentation) has been suggested to induce hyporesponsiveness of iNKT cells. In this study, we found discrepancies in iNKT cell responses against two T cell-origin cell lines (Jurkat and Molt-4). Human iNKT cells exhibited more intensive cytotoxicity and less efficient cytokine production in response to Fas-bearing Jurkat cells than those to the Fas-negative tumor cells (Molt-4 and myeloid-derived K562)...
May 18, 2018: Molecular Immunology
https://www.readbyqxmd.com/read/29783075/mir-19a-negatively-regulated-the-expression-of-pten-and-promoted-the-growth-of-ovarian-cancer-cells
#2
Yuhong Wang, Shuzhen Zhao, Lihong Zhu, Quanle Zhang, Yanfang Ren
Ovarian cancer is the most lethal malignancy of the women genital tract. Exploring novel factors involved in the development of ovarian cancer and characterizing the molecular mechanisms by which regulate the tumorigenesis of ovarian cancer are quite necessary. Here, we found that miR-19a was highly expressed in ovarian cancer tissues and cell lines. Overexpression of miR-19a promoted the viability of ovarian cancer cells, while down-regulation of miR-19a inhibited the growth of ovarian cancer cells. To further understand the underlying molecular mechanism of miR-19a in regulating ovarian cancer cell growth, the downstream targets of miR-19a were predicted...
May 18, 2018: Gene
https://www.readbyqxmd.com/read/29783070/cdh17-alters-mmp-2-expression-via-canonical-nf-%C3%AE%C2%BAb-signalling-in-human-gastric-cancer
#3
Xiao-Jie Jiang, Jing Lin, Qing-He Cai, Jian-Feng Zhao, Hui-Jiao Zhang
Gastric cancer (GC), one of the most common cancers of the digestive system, results in high morbidity and mortality, but the molecular mechanisms underlying GC remain largely unknown. Cadherin-17 (CDH17) is a nonclassical member of the cadherin (CDH) superfamily of calcium-dependent proteins. Despite recent advances in the understanding of CDH17 biology, the mechanism of CDH17 in GC proliferation, migration, and invasion has not been extensively studied. In the present study, we observed that CDH17 expression was increased in GC tissues compared with para-carcinoma tissues and was correlated with lymph node metastasis and the AJCC stage...
May 18, 2018: Gene
https://www.readbyqxmd.com/read/29783003/non-malignant-sequelae-following-unconfined-power-morcellation-%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2
#4
Hao M Zhang, Lee A Christianson, Claire L Templeman, Scott E Lentz
STUDY OBJECTIVE: To identify the incidence of repeat surgery and subsequent findings following the performance of unconfined uterine power morcellation. DESIGN: A retrospective descriptive study (Canadian Task Force II-2) SETTING: Southern California Kaiser Permanente Medical Centers PATIENTS: Women (n=5154) who underwent laparoscopic supra-cervical hysterectomy (LSH) with unconfined power morcellation. MEASUREMENTS AND MAIN RESULTS: Of the 5154 cases, 279 (5...
May 18, 2018: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/29783002/a-stepwise-approach-to-laparoscopic-enucleation-and-excision-of-retroperitoneal-cysts
#5
Haider Jan, Tina Kapoor, Vishalli Ghai
STUDY OBJECTIVE: Technical video demonstrating a step by step approach to laparoscopic enucleation and excision of retroperitoneal cysts. DESIGN: Technical video (Canadian Task Force classification III). SETTING: Benign Gynecology Department at a University Hospital. INTERVENTION: Laparoscopic enucleation and excision of retroperitoneal cysts. CONCLUSION: Retroperitoneal cysts are rare lesions associated with numerous complications including compression on neighbouring organs, infection, rupture and malignant transformation...
May 18, 2018: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/29782828/long-noncoding-rna-sox2ot-contributes-to-gastric-cancer-progression-by-sponging-mir-194-5p-from-akt2
#6
Fei Qu, Peilong Cao
Gastric cancer (GC) is a highly malignant cancer with poor prognosis. Long non-coding RNA (LncRNA) may play an important role in tumor progression. Our present study aimed to explore the effect of LncRNA SOX2OT on GC progression. We observed that SOX2OT was overexpressed in GC tissues and cell lines. Overexpressed SOX2OT promoted cell proliferation and metastasis of GC cells (SGC-7901, TMK-1) and the phosphorylation of AKT2 as well, while knockdown of SOX2OT reversed these effects. Besides that, miR-194-5p was predicted to be a target of SOX2OT and decreased expression of miR-194-5p was observed in GC tissues and cell lines...
May 18, 2018: Experimental Cell Research
https://www.readbyqxmd.com/read/29782821/licoricidin-enhances-gemcitabine-induced-cytotoxicity-in-osteosarcoma-cells-by-suppressing-the-akt-and-nf-%C3%AE%C2%BAb-signal-pathways
#7
Yifei Wang, Shengli Wang, Jianhua Liu, Yanxiao Lu, Donghui Li
Osteosarcoma (OS) is the most common bone malignancy in children and adolescents. Combined treatments of anti-cancer drugs can remarkably improve chemotherapeutic outcomes. Gemcitabine and licoricidin both have potential anti-tumor activity in several cancers. However, the combined therapeutic efficiency of gemcitabine and licoricidin for OS has not been explored. Here, we found that licoricidin or gemcitabine inhibited OS cell viability in a dose-dependent manner. Cotreatment with licoricidin and gemcitabine enhanced gemcitabine-induced cytotoxicity in OS cells...
May 18, 2018: Chemico-biological Interactions
https://www.readbyqxmd.com/read/29782691/mass-spectrometry-in-the-palm-of-your-hand-future-applications-of-in-vivo-tissue-analysis
#8
Simon A Fox, Camile S Farah
Assessment and diagnosis of oral mucosal disorders continues to present clinical challenges with conventional methodologies being time consuming and hampered by subjectivity. These considerations also apply to surgical excision of malignant and potentially malignant lesions where accurate assessment of margins is critical to patient outcomes. These clinical needs are driving the development of new technologies which can enable rapid diagnosis based upon characteristic molecular profiles identified through clinical science...
May 21, 2018: Oral Diseases
https://www.readbyqxmd.com/read/29782642/tofacitinib-in-patients-with-moderate-to-severe-chronic-plaque-psoriasis-long-term-safety-and-efficacy-in-an-open-label-extension-study
#9
F Valenzuela, N J Korman, R Bissonnette, N Bakos, T-F Tsai, M K Harper, W C Ports, H Tan, A Tallman, H Valdez, A C Gardner
BACKGROUND: Tofacitinib is an oral Janus kinase inhibitor. Final safety and efficacy data from an open-label extension study of tofacitinib in psoriasis are reported. OBJECTIVE: To evaluate the long-term safety and durability of efficacy of tofacitinib in adults with moderate to severe chronic plaque psoriasis. METHODS: Eligible patients who completed qualifying Phase 2/3 tofacitinib studies received tofacitinib 10 mg twice daily (BID) until Month 3; subsequently, the dose could be adjusted by investigators to either 5 or 10 mg BID...
May 21, 2018: British Journal of Dermatology
https://www.readbyqxmd.com/read/29782605/trends-in-oncologic-hybrid-imaging
#10
REVIEW
Andreas G Wibmer, Hedvig Hricak, Gary A Ulaner, Wolfgang Weber
Hybrid imaging plays a central role in the diagnosis and management of a wide range of malignancies at all stages. In this article, we review the most pertinent historical developments, emerging clinical applications of novel radiotracers and imaging technologies, and potential implications for training and practice. This includes an overview of novel tracers for prostate, breast, and neuroendocrine tumors, assessment of tumor heterogeneity, the concept of image-guided 'biologically relevant dosing', and theranostic applications...
2018: Eur J Hybrid Imaging
https://www.readbyqxmd.com/read/29782591/erratum-colonic-stent-versus-emergency-surgery-as-treatment-of-malignant-colonic-obstruction-in-the-palliative-setting-a-systematic-review-and-meta-analysis
#11
Igor Braga Ribeiro, Wanderley Marques Bernardo, Bruno da Costa Martins, Diogo Turiani Hourneaux de Moura, Elisa Ryoka Baba, Iatagan Rocha Josino, Nelson Tomio Miyajima, Martin Andrés Coronel Cordero, Thiago Arantes de Carvalho Visconti, Edson Ide, Paulo Sakai, Eduardo Guimarães Hourneaux de Moura
[This corrects the article DOI: 10.1055/a-0591-2883.].
May 2018: Endoscopy International Open
https://www.readbyqxmd.com/read/29782588/ground-glass-pulmonary-nodules-their-significance-in-oncology-patients-and-the-role-of-computer-tomography-and-18f-fluorodeoxyglucose-positron-emission-tomography
#12
Laura Evangelista, Annalori Panunzio, Elena Scagliori, Paolo Sartori
Objective: to determine the clinical significance of ground glass pulmonary nodules, either pure (GGNs) or mixed with the presence of solid component (MPNs), in patients with known pulmonary or extra-thoracic malignancies and to evaluate the role of computed tomography (CT) and positron emission tomography (PET)/CT in their diagnosis and follow-up. Methods: A total of 130 nodules in 68 patients were revealed: 119 GGNs and 11 MPNs. GGN lesions were found in 58 patients, MPNs in eight, and in two cases, both...
2018: Eur J Hybrid Imaging
https://www.readbyqxmd.com/read/29782428/unprovoked-pulmonary-embolism-identified-on-initial-presentation-of-adult-onset-still-disease-in-an-elderly-patient-with-no-malignancy
#13
Manjeet Bhamra, Abhimanyu Amarnani, David Ozeri
No abstract text is available yet for this article.
May 19, 2018: Journal of Clinical Rheumatology: Practical Reports on Rheumatic & Musculoskeletal Diseases
https://www.readbyqxmd.com/read/29782381/high-baseline-neutrophil-to-lymphocyte-ratio-predicts-worse-outcome-in-patients-with-metastatic-braf-positive-melanoma-treated-with-braf-and-mek-inhibitors
#14
Paweł Teterycz, Paulina Jagodzińska-Mucha, Bożena Cybulska-Stopa, Anna Mariuk-Jarema, Katarzyna Kozak, Hanna Koseła-Paterczyk, Anna M Czarnecka, Marcin Rajczykowski, Robert Dziura, Łukasz Galus, Jacek Mackiewicz, Tomasz Świtaj, Anna Klimczak, Slawomir Falkowski, Rafał Suwiński, Marek Ziobro, Iwona Ługowska, Piotr Rutkowski
Neutrophil-to-lymphocyte ratio (NLR) has been shown to be prognostic in several solid malignancies. There are limited data regarding its value during novel therapies in patients with melanoma. The aim of the study was to assess the practical utility of this ratio in patients with BRAF-mutant melanoma treated with a combination of BRAF and MEK inhibitors (BRAFi/MEKi). We included 215 patients with inoperable or metastatic melanoma who underwent BRAFi/MEKi treatment between October 2015 and June 2017. Baseline NLR and other complete blood count-derived inflammatory markers were tested for association with overall survival and progression-free survival in univariate and multivariate models...
May 18, 2018: Melanoma Research
https://www.readbyqxmd.com/read/29782358/neoadjuvant-interdigitated-chemoradiotherapy-using-mesna-doxorubicin-and-ifosfamide-for-large-high-grade-soft-tissue-sarcomas-of-the-extremity-improved-efficacy-and-reduced-toxicity
#15
Mudit Chowdhary, Neilayan Sen, Elizabeth B Jeans, Luke Miller, Marta Batus, Steven Gitelis, Dian Wang, Ross A Abrams
OBJECTIVES: Patients with large, high-grade extremity soft tissue sarcoma (STS) are at high risk for both local and distant recurrence. RTOG 95-14, using a regimen of neoadjuvant interdigitated chemoradiotherapy with mesna, doxorubicin, ifosfamide, and dacarbazine followed by surgery and 3 cycles of adjuvant mesna, doxorubicin, ifosfamide, and dacarbazine, demonstrated high rates of disease control at the cost of significant toxicity (83% grade 4, 5% grade 5). As such, this regimen has not been widely adopted...
May 18, 2018: American Journal of Clinical Oncology
https://www.readbyqxmd.com/read/29782351/role-of-lkb1-in-migration-and-invasion-of-cr-vi-transformed-human-bronchial-epithelial-beas-2b-cells
#16
Jian Lu, Zhongping Zhou, Miaomiao Tang, Haijun Shen, Yi Liu, Jin Wang, Yewen Jiang, Yifan Chen, Zhanao Wu
Hexavalent chromium [Cr(VI)] is a common human carcinogen associated with lung cancer and other pulmonary diseases as exposure to excessive Cr(VI) induces malignant transformation in human lung epithelial cells. The mechanism underlying its carcinogenicity is unclear in terms of how it facilitates metastases. Cr(VI) compounds are reported to briefly promote cell migration in a concentration-dependent manner and oncogene liver kinase B1 (LKB1) was reduced in Cr(VI)-transformed cells. Overexpression of LKB1 in Beas-2B-Cr [Cr(VI) malignantly transformed Beas-2B cells] suppressed cell migration and invasion and inactivated FAK, Src, MMP-2, GSK3β, β-catenin, and HEF1, which contribute to cell migration and invasion...
May 18, 2018: Anti-cancer Drugs
https://www.readbyqxmd.com/read/29782347/current-questions-in-bone-sarcomas
#17
Sandra J Strauss, Jeremy S Whelan
PURPOSE OF REVIEW: Osteosarcoma and Ewing sarcoma, the most common primary bone tumours in young people, are curable in most patients. However, these tumours remain a significant challenge due to the complexity and intensity of treatment and its long-term morbidity and the significant proportion of patients in whom treatment is unsuccessful. This review addresses questions about current management and emerging therapeutic targets for patients with osteosarcoma, Ewing sarcoma and chondrosarcoma, the commonest bone sarcoma but more common in older patients...
May 17, 2018: Current Opinion in Oncology
https://www.readbyqxmd.com/read/29782339/transcription-factors-foxo-in-the-regulation-of-homeostatic-hematopoiesis
#18
Vijay Menon, Saghi Ghaffari
PURPOSE OF REVIEW: Work in the past decade has revealed key functions of the evolutionary conserved transcription factors Forkhead box O (FOXO) in the maintenance of homeostatic hematopoiesis. Here the diverse array of FOXO functions in normal and diseased hematopoietic stem and progenitor cells is reviewed and the main findings in the past decade are highlighted. Future work should reveal FOXO-regulated networks whose alterations contribute to hematological disorders. RECENT FINDINGS: Recent studies have identified unanticipated FOXO functions in hematopoiesis including in hematopoietic stem and progenitor cells (HSPC), erythroid cells, and immune cells...
May 17, 2018: Current Opinion in Hematology
https://www.readbyqxmd.com/read/29782304/role-of-in-vivo-reflectance-confocal-microscopy-in-the-analysis-of-melanocytic-lesions
#19
Elena-Daniela Serban, Francesca Farnetani, Giovanni Pellacani, Maria Magdalena Constantin
Worldwide melanoma incidence and mortality are increasing (1). Despite the ongoing research, advanced melanoma is still incurable; therefore, the most appropriate solution seems to be early detection combined with complete surgical excision (2). Since the diagnostic protocol of suspicious lesions includes a complete excision with safety margins (2), the problem of unnecessary scarring is significant. The real challenge in this case is to have a properly formulated diagnosis before acquiring a biopsy. Currently available non-invasive techniques are coherence tomography, digital dermoscopy, and reflectance confocal microscopy...
April 2018: Acta Dermatovenerologica Croatica: ADC
https://www.readbyqxmd.com/read/29782294/the-value-of-high-frequency-20-mhz-ultrasonography-for-preoperative-measurement-of-cutaneous-melanoma-thickness
#20
Andrea Kozárová, Marek Kozár, Ingrid Tonhajzerová, Táňa Pappová, Eva Minariková
High-frequency ultrasonography has become an important diagnostic tool in dermatovenerology. It is used for assessment of the cutaneous layers in diverse benign and malignant skin lesions and diseases. Herein we present the practical value of preoperative measurement of cutaneous melanoma thickness, the explanation of the possible reasons for different sonographic and histologic Breslow thickness, and the practical importance of high-frequency 20 MHz ultrasonography in preoperative measurements of cutaneous melanoma thickness...
April 2018: Acta Dermatovenerologica Croatica: ADC
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