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https://www.readbyqxmd.com/read/28427244/whole-genome-expression-analyses-of-type-2-diabetes-in-human-skin-reveal-altered-immune-function-and-burden-of-infection
#1
Chun Wu, Xiaopan Chen, Jing Shu, Chun-Ting Lee
Skin disorders are among most common complications associated with type 2 diabetes mellitus (T2DM). Although T2DM patients are known to have increased risk of infections and other T2DM-related skin disorders, their molecular mechanisms are largely unknown. This study aims to identify dysregulated genes and gene networks that are associated with T2DM in human skin. We compared the expression profiles of 56,318 transcribed genes on 74 T2DM cases and 148 gender- age-, and race-matched non-diabetes controls from the Genotype-Tissue Expression (GTEx) database...
March 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28427207/mir-205-inhibits-cell-growth-by-targeting-akt-mtor-signaling-in-progesterone-resistant-endometrial-cancer-ishikawa-cells
#2
Zhihong Zhuo, Huimin Yu
PURPOSE: miR-205 is significantly up-regulated in endometrioid adenocarcinoma. In this study, the significant anticancer effect of a miR-205 inhibitor was investigated in both endometrial carcinoma and progesterone-resistant endometrial carcinoma cells. RESULTS: Compared with Ishikawa endometrial cancer cells, miR-205 was expressed at higher levels in a progesterone-resistant (PR) sub-cell line. Inhibition of miR-205 suppressed the growth of cancer cells in a dose- and time-dependent manner...
March 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/28427197/ror1-expression-as-a-biomarker-for-predicting-prognosis-in-patients-with-colorectal-cancer
#3
Jian-Kang Zhou, Yu-Zhu Zheng, Xue-Sha Liu, Qiheng Gou, Rui Ma, Cheng-Lin Guo, Carlo M Croce, Lunxu Liu, Yong Peng
There is a lack of reliable prognosis biomarker in the current treatment of colorectal cancer. The receptor-tyrosine-kinase-like orphan receptor 1 (ROR1) is overexpressed and associated with poor prognosis in certain tumors. This study aimed to explore the prognostic significance of ROR1 in colorectal cancer. Western blot analysis and immunohistochemistry showed that the expression of ROR1 in colorectal cancer was significantly higher than that in the adjacent normal tissues. ROR1 expression was positively associated with the clinical stage and lymph-node metastasis (p < 0...
March 2, 2017: Oncotarget
https://www.readbyqxmd.com/read/28427157/the-anti-tumor-efficacy-of-3c23k-a-glyco-engineered-humanized-anti-misrii-antibody-in-an-ovarian-cancer-model-is-mainly-mediated-by-engagement-of-immune-effector-cells
#4
Pauline Estupina, Alexandre Fontayne, Jean-Marc Barret, Nathalie Kersual, Olivier Dubreuil, Marion Le Blay, Alexandre Pichard, Marta Jarlier, Martine Pugnière, Maëva Chauvin, Thierry Chardès, Jean-Pierre Pouget, Emmanuel Deshayes, Alexis Rossignol, Toufik Abache, Christophe de Romeuf, Aurélie Terrier, Lucie Verhaeghe, Christine Gaucher, Jean-François Prost, André Pèlegrin, Isabelle Navarro-Teulon
Ovarian cancer is the leading cause of death in women with gynecological cancers and despite recent advances, new and more efficient therapies are crucially needed. Müllerian Inhibiting Substance type II Receptor (MISRII, also named AMHRII) is expressed in most ovarian cancer subtypes and is a novel potential target for ovarian cancer immunotherapy. We previously developed and tested 12G4, the first murine monoclonal antibody (MAb) against human MISRII. Here, we report the humanization, affinity maturation and glyco-engineering steps of 12G4 to generate the Fc-optimized 3C23K MAb, and the evaluation of its in vivo anti-tumor activity...
February 24, 2017: Oncotarget
https://www.readbyqxmd.com/read/28426877/knockdown-of-hnrnpk-leads-to-increased-dna-damage-after-irradiation-and-reduces-survival-of-tumor-cells
#5
Nadine Wiesmann, Judith Strozynski, Carina Beck, Nadine Zimmermann, Simone Mendler, Rita Gieringer, Irene Schmidtmann, Jürgen Brieger
Radiotherapy is an important treatment option in the therapy of multiple tumor entities among them head and neck squamous cell carcinoma (HNSCC). However, the success of radiotherapy is limited by the development of radiation resistances. Heterogeneous nuclear ribonucleoprotein K (hnRNPK) is a cofactor of p53 and represents a potential target for radio sensitization of tumor cells. In this study, we analyzed the impact of hnRNPK on the DNA damage response after gamma irradiation. By yH2AX foci analysis, we found that hnRNPK knockdown increases DNA damage levels in irradiated cells...
March 1, 2017: Carcinogenesis
https://www.readbyqxmd.com/read/28426747/metabolic-analysis-of-radioresistant-medulloblastoma-stem-like-clones-and-potential-therapeutic-targets
#6
Lue Sun, Takashi Moritake, Kazuya Ito, Yoshitaka Matsumoto, Hironobu Yasui, Hidehiko Nakagawa, Aki Hirayama, Osamu Inanami, Koji Tsuboi
Medulloblastoma is a fatal brain tumor in children, primarily due to the presence of treatment-resistant medulloblastoma stem cells. The energy metabolic pathway is a potential target of cancer therapy because it is often different between cancer cells and normal cells. However, the metabolic properties of medulloblastoma stem cells, and whether specific metabolic pathways are essential for sustaining their stem cell-like phenotype and radioresistance, remain unclear. We have established radioresistant medulloblastoma stem-like clones (rMSLCs) by irradiation of the human medulloblastoma cell line ONS-76...
2017: PloS One
https://www.readbyqxmd.com/read/28426742/multiple-components-of-pka-and-tgf-%C3%AE-pathways-are-mutated-in-pseudomyxoma-peritonei
#7
Lilli Saarinen, Pirjo Nummela, Alexandra Thiel, Rainer Lehtonen, Petrus Järvinen, Heikki Järvinen, Lauri A Aaltonen, Anna Lepistö, Sampsa Hautaniemi, Ari Ristimäki
Pseudomyxoma peritonei (PMP) is a subtype of mucinous adenocarcinoma mainly restricted to the peritoneal cavity and most commonly originating from the appendix. The genetic background of PMP is poorly understood and no targeted treatments are currently available for this fatal disease. While RAS signaling pathway is affected in most if not all PMP cases and over half of them also have a mutation in the GNAS gene, other genetic alterations and affected pathways are, to a large degree, poorly known. In this study, we sequenced whole coding genome of nine PMP tumors and paired normal tissues in order to identify additional, commonly mutated genes and signaling pathways affected in PMP...
2017: PloS One
https://www.readbyqxmd.com/read/28426690/phenotypic-characterization-and-anticancer-capacity-of-cd8-cytokine-induced-killer-cells-after-antigen-induced-expansion
#8
Jianhua Liu, Lu Wang, Yaoling Wang, Wenjie Zhang, Yilin Cao
Cytokine-induced killer cells (CIK) have been used in clinic for adoptive immunotherapy in a variety of malignant tumors and have improved the prognosis of cancer patients. However, there are individual differences in the CIK cell preparations including the obvious differences in the ratio of effector CIK cells among different cancer patients. Infusion of such heterogeneous immune cell preparation is an important factor that would affect the therapeutic efficacy. We report here the enrichment and expansion of CD8+ cells from CIK cells cultured for one week using magnetic activated cell sorting (MACS)...
2017: PloS One
https://www.readbyqxmd.com/read/28426555/creating-artificial-lymphoid-tissues-to-study-immunity-and-hematological-malignancies
#9
Shivem B Shah, Ankur Singh
PURPOSE OF REVIEW: The specialized microenvironments of lymphoid tissue affect immune cell function and progression of disease. However, current animal models are low throughput and a large number of human diseases are difficult to model in animals. Animal models are less amenable to manipulation of tissue niche components, signalling pathways, epigenetics, and genome editing than ex vivo models. On the other hand, conventional 2D cultures lack the physiological relevance to study precise microenvironmental interactions...
April 19, 2017: Current Opinion in Hematology
https://www.readbyqxmd.com/read/28426398/k-ras-and-n-ras-mutations-in-testicular-germ-cell-tumors
#10
Bekir Muhammet Hacioglu, Hilmi Kodaz, Bulent Erdogan, Ahmet Cinkaya, Ebru Tastekin, Ilhan Hacibekiroglu, Esma Turkmen, Osman Kostek, Ezgi Genc, Sernaz Uzunoglu, Irfan Cicin
Testicular cancer is a relatively rare tumor type, accounting for approximately 1% of all cancers in men. However, among men aged between 15 and 40 years, testicular cancer is the most commonly diagnosed malignancy. Testicular germ cell tumors (TGCTs) are classified as seminoma and non-seminoma. The RAS oncogene controls several cellular functions, including cell proliferation, apoptosis, migration, and differentiation. Thus, RAS signaling is important for normal germ cell development. Mutations of the Kirsten RAS (K-RAS) gene are present in over 20% of all cancers...
April 20, 2017: Bosnian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/28426124/propofol-suppresses-lps-induced-nuclear-accumulation-of-hif-1%C3%AE-and-tumor-aggressiveness-in-non-small-cell-lung-cancer
#11
Nengli Yang, Yafeng Liang, Pei Yang, Fuhai Ji
Tumor hypoxia has been recognized as a characteristic of the tumor microenvironment and promotes metastasis in a variety of types of cancer. However, in lung cancer, the role of hypoxia-inducible factor 1α (HIF-1α) in modulating the cellular response to the inflammation-related microenvironment remains unclear. In the present study, enhanced expression of HIF-1α accompanied by an increased ROS level was observed in lipopolysaccharide (LPS)-stimulated non-small cell lung cancer (NSCLC) cells. In addition, propofol, a general anesthetic, was found to significantly reduce the LPS-induced upregulation of HIF-1α and ROS in a dose-dependent manner...
March 17, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28425973/edim-tktl1-apo10-blood-test-an-innate-immune-system-based-liquid-biopsy-for-the-early-detection-characterization-and-targeted-treatment-of-cancer
#12
REVIEW
Johannes F Coy
Epitope detection in monocytes (EDIM) represents a liquid biopsy exploiting the innate immune system. Activated monocytes (macrophages) phagocytose unwanted cells/cell fragments from the whole body including solid tissues. As they return to the blood, macrophages can be used for a non-invasive detection of biomarkers, thereby providing high sensitivity and specificity, because the intracellular presence of biomarkers is due to an innate immune response. Flow cytometry analysis of blood enables the detection of macrophages and phagocytosed intracellular biomarkers...
April 20, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28425855/tumor-targeting-peptides-ligands-for-molecular-imaging-and-therapy
#13
Ning Zhao, Yeshan Qin, Hongguang Liu, Z Cheng
The aberrant proliferation of tumor cells and abundant vasculature in tumor tissues are closely correlated with receptors that are specifically dysregulated in tumor cells. These tumor-associated targets are critical in early diagnosis and therapy selection. Ligands such as antibodies, proteins, polypeptides and polysaccharides that specifically bind to these targets can significantly improve the detection and cure rate when used as tumor imaging probes or anti-tumor agents. Compared to other targeting ligands, peptides have attracted increasingly more attention in tumor diagnostics and therapeutics because of their small sizes, high affinity, stability, ease of modification and low immunogenicity...
April 19, 2017: Anti-cancer Agents in Medicinal Chemistry
https://www.readbyqxmd.com/read/28425830/tryptase-inhibitors-a-patent-review
#14
Wei-Wei Ni, Meng-Da Cao, Wen Huang, Ling Meng, Ji-Fu Wei
Tryptase is one of the main serine-proteinases located in the secretory granules of mast cells, and is released through degranulation, which is involved in the pathogenesis of allergic inflammatory disease, cardiovascular diseases, lung fibrosis and tumor. Therefore, inhibitors targeting tryptase may represent a new direction for the treatment of allergic inflammatory disease and other diseases. Areas covered: In this article, we discussed the history and development of tryptase inhibitors and described a variety of tryptase inhibitors via their structures and biological importance in clinical studies and drug development for tryptase-related diseases...
April 20, 2017: Expert Opinion on Therapeutic Patents
https://www.readbyqxmd.com/read/28425771/review-of-stereotactic-radiosurgery-for-intradural-spine-tumors
#15
Taylor E Purvis, C Rory Goodwin, Daniel Lubelski, Ilya Laufer, Daniel M Sciubba
Stereotactic radiosurgery (SRS) has become an increasingly popular treatment modality for spinal tumors due to its noninvasive and targeted approach. Whether SRS has the promise of relieving pretreatment symptoms and providing local tumor control for patients with intradural spine tumors is still debated. This review explores the current literature on SRS treatment for both metastatic and benign intradural tumors, with a focus on differential use for intramedullary and intradural extramedullary neoplasms. Although mortality rates from underlying malignant disease remain high, SRS may benefit patients with spinal metastatic lesions...
April 2017: CNS Oncology
https://www.readbyqxmd.com/read/28425506/oncogenic-activity-of-sox1-in-glioblastoma
#16
Idoia Garcia, Juncal Aldaregia, Jelena Marjanovic Vicentic, Paula Aldaz, Leire Moreno-Cugnon, Sergio Torres-Bayona, Estefania Carrasco-Garcia, Laura Garros-Regulez, Larraitz Egaña, Angel Rubio, Steven Pollard, Milena Stevanovic, Nicolas Sampron, Ander Matheu
Glioblastoma remains the most common and deadliest type of brain tumor and contains a population of self-renewing, highly tumorigenic glioma stem cells (GSCs), which contributes to tumor initiation and treatment resistance. Developmental programs participating in tissue development and homeostasis re-emerge in GSCs, supporting the development and progression of glioblastoma. SOX1 plays an important role in neural development and neural progenitor pool maintenance. Its impact on glioblastoma remains largely unknown...
April 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28425453/aptamer-mediated-impairment-of-egfr-integrin-%C3%AE-v%C3%AE-3-complex-inhibits-vasculogenic-mimicry-and-growth-of-triple-negative-breast-cancers
#17
Simona Camorani, Elvira Crescenzi, Matteo Gramanzini, Monica Fedele, Antonella Zannetti, Laura Cerchia
Current treatment options for triple-negative breast cancers (TNBCs) is limited by the absence of well-defined biomarkers, excluding a targeted therapy. Notably, epidermal growth factor receptor (EGFR) is overexpressed in a great proportion of TNBCs and is a negative prognostic factor. In clinical trials, however, existing EGFR inhibitors showed disappointing outcome. Oligonucleotide aptamers are a valid alternative to antibodies for diagnostic and therapeutic uses. Here, we prove that, when applied to aggressive TNBC cell lines with unique stem-like plasticity, the anti-EGFR CL4 aptamer, but not erlotinib or cetuximab, prevents the vasculogenic mimicry (VM) capability of the cells and destroys previously formed channels in three-dimensional culture...
April 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28425348/integration-of-functional-mri-and-white-matter-tractography-in-cyberknife-radiosurgery
#18
Lu Sun, Baolin Qu, Jinyuan Wang, Zhongjian Ju, Zizhong Zhang, Zhiqiang Cui, Yang Jack, Zhipei Ling, Xinguang Yu, Longsheng Pan
PURPOSE: To investigate the efficacy of the integration of functional magnetic resonance imaging and diffusion-tensor imaging tractography data into CyberKnife radiosurgery for intracranial tumor management. MATERIALS AND METHODS: Functional neuroimaging, anatomical magnetic resonance imaging, and computed tomography images of patients with brain lesions in critical areas were acquired before radiosurgery. The acquired data sets were coregistered using the MIM image fusion software module and then were imported into the CyberKnife Robotic Radiosurgery System (Multiplan 4...
January 1, 2017: Technology in Cancer Research & Treatment
https://www.readbyqxmd.com/read/28425306/therapeutic-targeting-and-patient-selection-for-cancers-with-homologous-recombination-defects
#19
Francien Talens, Mathilde Jalving, Jourik A Gietema, Marcel A T M van Vugt
DNA double-strand breaks (DSBs) are toxic DNA lesions that can be repaired by non-homologous end-joining (NHEJ) or homologous recombination (HR). Mutations in HR genes elicit a predisposition to cancer; yet, they also result in increased sensitivity to certain DNA damaging agents and poly (ADP-ribose) polymerase (PARP) inhibitors. To optimally implement PARP inhibitor treatment, it is important that patients with HR-deficient tumors are adequately selected. Areas covered: Herein, the authors describe the HR pathway mechanistically and review the treatment of HR-deficient cancers, with a specific focus on PARP inhibition for BRCA1/2-mutated breast and ovarian cancer...
April 20, 2017: Expert Opinion on Drug Discovery
https://www.readbyqxmd.com/read/28425273/radiation-therapy-for-biliary-tract-tumors-the-joint-experience-of-three-centers
#20
Mehmet Sinan Karabey, Eda Yirmibeşoğlu Erkal, Ahmet Yolcu, Bekir Hakan Bakkal, Özlem Ay, Maksut Görkem Aksu, Emine Binnaz Sarper, Haldun Şükrü Erkal
BACKGROUND/AIM: This study presents the joint experience of three centers in the treatment of patients with biliary tract tumors with radiation therapy (RT). MATERIALS AND METHODS: The records of 27 patients were retrospectively reviewed. All of the patients who had undergone surgical resection received postoperative adjuvant RT, whereas all of the patients who had not undergone a surgical resection received RT with palliative intent. Twenty patients with adequate performance status were treated with RT and chemotherapy, while the remaining seven patients were treated with RT alone...
April 18, 2017: Turkish Journal of Medical Sciences
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