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https://www.readbyqxmd.com/read/29783238/clinical-efficiency-of-dynamic-observation-of-patients-with-epidermal-dysplasia-of-the-skin
#1
Oleg L Ziukov, Оlena O Oshyvalova
OBJECTIVE: Introduction: Non-melanoma skin cancer is the most common type of cancer among the population of Ukraine. The aim: The study of clinical efficacy of dynamic observation of patients with epidermal dysplasia of the skin. PATIENTS AND METHODS: Materials and methods: To study epidermal dysplasia of the skin there was used identifying information of patients, who were under dynamic observation of dermatologists of the State Scientific Institution "Research and Practical Centre of Preventive and Clinical Medicine" of the State Administration in 2013-2017...
2018: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/29783159/fas-fasl-interaction-mediates-imbalanced-cytokine-cytotoxicity-responses-of-inkt-cells-against-jurkat-cells
#2
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/29783152/functionalized-graphene-oxides-for-drug-loading-release-and-delivery-of-poorly-water-soluble-anticancer-drug-a-comparative-study
#3
Neha Karki, Himani Tiwari, Mintu Pal, Alok Chaurasia, Rajaram Bal, Penny Joshi, Nanda Gopal Sahoo
In this work, the modification of graphene oxides (GOs) have been done with hydrophilic and biodegradable polymer, polyvinylpyrrolidone (PVP) and other excipient β -cyclodextrin (β-CD) through covalent functionalization for efficient loading and compatible release of sparingly water soluble aromatic anticancer drug SN-38 (7-ethyl-10-hydroxy camptothecin). The drug was loaded onto both GO-PVP and GO-β-CD through the π-π interactions.The release of drug from both the nanocarriers were analyzed in different pH medium of pH 7 (water, neutral medium), pH 5 (acidic buffer) and pH 12 (basic buffer)...
May 18, 2018: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/29783106/prediction-of-the-combined-effects-of-multiple-estrogenic-chemicals-on-mcf-7-human-breast-cancer-cells-and-a-preliminary-molecular-exploration-of-the-estrogenic-proliferative-effects-and-related-gene-expression
#4
Shengwu Yuan, Chao Huang, Xiaoya Ji, Mei Ma, Kaifeng Rao, Zijian Wang
The environmental risks of environmental estrogens (EEs) are often assessed via the same mode of action in the concentration addition (CA) model, neglecting the complex combined mechanisms at the genetic level. In this study, the cell proliferation effects of estrone, 17α-ethinylestradiol, 17β-estradiol, estriol, diethylstilbestrol, estradiol valerate, bisphenol A, 4-tert-octylphenol and 4-nonylphenol were determined individually using the CCK-8 method, and the proliferation effects of a multicomponent mixture of estrogenic chemicals mixed at equipotent concentrations using a fixed-ratio design were studied using estrogen-sensitive MCF-7 cells...
May 18, 2018: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/29783098/design-and-synthesis-of-aminocoumarin-derivatives-as-dpp-iv-inhibitors-and-anticancer-agents
#5
Rina Soni, Shubhangi S Soman
DPP-IV "a moonlighting protein" has immerged as promising pathway to control Type 2 diabetes as well as found to play key role in earlier stages of cancer. Here we have reported design, synthesis and applications of aminocoumarin derivatives as DPP-IV inhibitors. Compounds have been synthesized and studied for their DPP-IV inhibition activity. Three compounds have shown moderate inhibition at 100 µM concentration. All compounds were also screened for their anticancer activity against A549 (Lung cancer cell line), MCF-7 (Breast cancer cell line) using MTT assay...
May 17, 2018: Bioorganic Chemistry
https://www.readbyqxmd.com/read/29783093/a-direct-plasma-mirna-assay-for-early-detection-and-histological-classification-of-lung-cancer
#6
Qixin Leng, Yue Wang, Feng Jiang
Cell-free microRNAs in plasma provide circulating biomarkers for lung cancer. Most techniques for analysis of miRNAs require a large plasma volume to purify a sufficient RNA yield followed by complicated downstream processing. Small differences in the multiple procedures often cause large analytical variations and poor diagnostic values of the plasma biomarkers. Here we investigate whether directly quantifying plasma miRNAs without RNA purification could diagnose lung cancer. FirePlex assay was directly applied to 20 μl plasma of 56 lung cancer patients and 28 cancer free controls for quantifying 11 lung tumor-associated miRNAs...
May 17, 2018: Translational Oncology
https://www.readbyqxmd.com/read/29783088/evaluation-of-genotoxicity-and-mutagenic-effects-of-vector-dna-nanocomplexes-in-transfected-mesenchymal-stem-cells-by-flow-cytometry
#7
Alireza Nomani, Xuguang Chen, Arash Hatefi
In recent years, there has been a great deal of interest in ex-vivo genetic modification of mesenchymal stem cells (MSCs) to meet various biomedical needs. Considering the self-renewal potential of MSCs, it is critically important to ensure that transfection vectors (gene carriers) do not induce genotoxicity because they could theoretically turn a single stem cell into a cancer-initiating cell. Unfortunately, there is currently no reliable, unbiased, and quantitative method to measure genotoxicity (micronuclei formation) of gene carriers directly in transfected MSCs...
May 18, 2018: Acta Biomaterialia
https://www.readbyqxmd.com/read/29783075/mir-19a-negatively-regulated-the-expression-of-pten-and-promoted-the-growth-of-ovarian-cancer-cells
#8
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
#9
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/29783020/immune-modulation-of-a-novel-lipid-soluble-extract-of-pinellia-pedatisecta-schott-in-the-tumor-microenvironment-of-an-hpv-tumor-burdened-mouse-model
#10
Haixia Huang, Mingxing Zhang, Meng Zhang, Jing Peng, Guiling Li, Congjian Xu, Suiqi Gui
ETHNOPHARMACOLOGICAL RELEVANCE: Pinellia pedatisecta Schott extract (PE), a traditional Chinese medicine, has been used to reduce swelling, dry dampness and suppress cervical tumors. AIMS: To evaluate the roles of PE in the regulation of anti-tumor effects and the cellular immune response in the tumor microenvironment. METHODS: The immune microenvironment of HPV+ TC-1 tumors was examined by immunohistochemistry, real-time PCR and flow cytometry...
May 18, 2018: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29783018/tumor-inhibitory-effects-of-intravesical-ganoderma-lucidum-instillation-in-the-syngeneic-orthotopic-mb49-c57-bladder-cancer-mice-model
#11
J W M Yuen, D S Y Mak, E S Chan, M D I Gohel, C F Ng
ETHNOPHARMACOLOGICAL RELEVANCE: Ganoderma lucidum (GL) has been traditionally used in oriental medicine as superior health tonic, and there are numerous scientific evidences of its antitumorigenic activities. AIM OF THE STUDY: To evaluate the intravesical chemopreventive effects of ethanol extract of GL (GLe) on bladder cancer. MATERIALS AND METHODS: Intravesical therapy is defined as the direct instillation of a liquid drug into bladder through a catheter...
May 18, 2018: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29783017/the-hydro-ethanolic-extract-of-acacia-seyal-mimosaceae-stem-barks-induced-death-in-an-er-negative-breast-cancer-cell-line-by-the-intrinsic-pathway-of-apoptosis-and-inhibited-cell-migration
#12
Stephane Zingue, Thomas Michel, Julia Cisilotto, Alain Brice Tueche, Derek Tantoh Ndinteh, Leônidas João Mello, Dieudonné Njamen, Tânia Beatriz Creczynski-Pasa
BACKGROUND: Despite the significant developments occurring in the treatment of cancer, it still remains the second deadly disease, responsible for 8.2 million deaths every year. Various natural substances have been studied for active molecules of tumor suppression in the past and the tropical flora, by its diversity, continues to provide new antitumor drugs. Acacia seyal is a plant used in Cameroonian traditional system to treat cancer. It exhibited cytotoxic effects towards human breast adenocarcinoma cells...
May 18, 2018: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29782972/stat3-and-apoptosis-challenges-in-cancer
#13
REVIEW
Nazanin Fathi, Golnaz Rashdi, Simin Sharifi
Several studies have processed conceivable evidence for the vital role of Signal Transducer and Activator of Transcription 3 (STAT3) in cancer transformation and carcinogenesis. Therefore, one of the important factors in formation of cancer is STAT3 and for design of novel anticancer drugs is a suitable target. On the other hand, apoptosis pathway has a critical role in the cancers pathogenesis. Generally, increasing developments have been existed to expression, production, phosphorylation or activation of STAT3 in the effective or responsible cells of most of the cancers...
May 18, 2018: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/29782924/emerging-biomarkers-for-immune-checkpoint-inhibition-in-lung-cancer
#14
REVIEW
George Cyriac, Leena Gandhi
Immune checkpoint inhibition with anti-PD-1 therapy has been notably successful in non-small cell lung cancer (NSCLC) and changed standard practice in multiple settings. However, despite some durable benefits seen, the majority of unselected patients with NSCLC fail to respond to checkpoint inhibitors. Patient selection is crucial and will become even more important in the development of combination therapies with immune checkpoint inhibitors. PD-L1 expression by immunohistochemistry (IHC) has emerged as the most commonly used clinical biomarker of response and overall tumor mutational burden (TMB) is being explored as a clinical biomarker...
May 18, 2018: Seminars in Cancer Biology
https://www.readbyqxmd.com/read/29782911/estrogen-deficiency-exacerbates-a%C3%AE-induced-memory-impairment-through-enhancement-of-neuroinflammation-amylodogenesis-and-nf-%C3%A4-b-activation-in-ovariectomized-mice
#15
Jaesuk Yun, In Jun Yeo, Chul Ju Hwang, Dong-Young Choi, Hyung-Sik Im, Ji Youg Kim, Won Rak Choi, Myung Hee Jung, Sang-Bae Han, Jin Tae Hong
Estrogen is well known to have a preventative effect in Alzheimer's disease (AD) pathology. Several studies have demonstrated that nuclear factor kappa-B (NF-ĸB) can contribute to the effects of estrogen on the development of AD. We investigated whether NF-ĸB affects amyloid-beta (Aβ)-induced memory impairment in an estrogen-lacking condition. In the present study, nine-week-old Institute cancer research (ICR) mice were ovariectomized to block estrogen stimulation. Ten weeks after the ovariectomization, mice were administered with Aβ (300 pmol) via intracerebroventricular (ICV) infusion for 2 weeks...
May 18, 2018: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/29782901/basal-cell-carcinoma-part-ii-contemporary-approaches-to-diagnosis-treatment-and-prevention
#16
REVIEW
Michael C Cameron, Erica Lee, Brian Hibler, Cerrene N Giordano, Christopher A Barker, Shoko Mori, Miguel Cordova, Kishwer S Nehal, Anthony M Rossi
As the most common human cancer worldwide and continuing to increase in incidence, basal cell carcinoma is associated with significant morbidity and cost. Continued advances in research have refined both our insight and approach to this seemingly ubiquitous disease. This 2-part continuing medical education article will provide a comprehensive and contemporary review of basal cell carcinoma. Part II of this series will present both standard of care and newly developed approaches to diagnosis, treatment, and prevention of this disease...
May 18, 2018: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/29782900/basal-cell-carcinoma-part-1
#17
REVIEW
Michael C Cameron, Erica Lee, Brian Hibler, Christopher A Barker, Shoko Mori, Miguel Cordova, Kishwer S Nehal, Anthony M Rossi
As the most common human cancer worldwide and continuing to increase in incidence, basal cell carcinoma is associated with significant morbidity and cost. Continued advances in research have refined both our insight and approach to this seemingly ubiquitous disease. This 2-part continuing medical education article will provide a comprehensive and contemporary review of basal cell carcinoma. Part I of this series will describe our current understanding of this disease in regards to epidemiology, cost, clinical and histopathologic presentations, carcinogenesis, natural history, and disease associations...
May 18, 2018: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/29782872/oxyfadichalcone-c-inhibits-melanoma-a375-cell-proliferation-and-metastasis-via-suppressing-pi3k-akt-and-mapk-erk-pathways
#18
Xiaolin Peng, Zhengming Wang, Yang Liu, Xin Peng, Yao Liu, Shan Zhu, Zhe Zhang, Yuling Qiu, Meihua Jin, Ran Wang, Qingying Zhang, Dexin Kong
AIMS: Melanoma remains to be one of the most incurable cancers. Discovery of novel antitumor agent for melanoma therapy is expected. We recently isolated Oxyfadichalcone C from Oxytropis falcate and investigated the anti-proliferative and anti-metastatic activity on human melanoma A375 cells in vitro. MAIN METHODS: Cell viability was determined using MTT assay and soft agar cloning formation assay. The effect of Oxyfadichalcone C on cell cycle distribution and apoptosis were analyzed by flow cytometry...
May 18, 2018: Life Sciences
https://www.readbyqxmd.com/read/29782871/neuralized1a-regulates-asymmetric-division-in-mouse-lewis-lung-carcinoma-cells
#19
Liangsheng Kong, Jingyuan Li, Yongli Liu, Zhiwei Sun, Shixia Zhou, Junling Tang, Ting Ye, Jianyu Wang, H Rosie Xing
Asymmetric division (ASD), the unique characteristic of normal stem cells, is regarded as a stemness marker when applied to the study of cancer stem cells (CSCs). However, the role of ASD in the self-renewal of CSCs and its regulation remain largely unknown. Here, we first established a mouse Lewis lung carcinoma CSC cell line that could undergo asymmetric division (LLC-ASD cells) derived from the parental mouse Lewis lung carcinoma cancer cells (LLC-Parental cells). In vitro assessment of stemness by RT-qPCR and western blot analysis of stem cell markers, clonogenic assay (p < 0...
May 18, 2018: Life Sciences
https://www.readbyqxmd.com/read/29782854/combined-treatment-with-sorafenib-and-silibinin-synergistically-targets-both-hcc-cells-and-cancer-stem-cells-by-enhanced-inhibition-of-the-phosphorylation-of-stat3-erk-akt
#20
Jie Mao, Hongbao Yang, Tingting Cui, Pan Pan, Nadia Kabir, Duo Chen, Jinyan Ma, Xingyi Chen, Yijun Chen, Yong Yang
Silibinin, a nontoxic bioactive component in milk thistle, is used as a liver-protective drug in the clinic mainly because of its antioxidant and anti-inflammation activities. In this study, we studied the cytotoxic effects of silibinin combined with sorafenib on hepatocellular carcinoma (HCC). The results indicated that silibinin combined with sorafenib potently inhibited the proliferation of various HCC cells and induced significant apoptosis. In an HCC subcutaneous transplantation tumor model, the combination of silibinin and sorafenib significantly suppressed tumor growth compared with monotherapy...
May 18, 2018: European Journal of Pharmacology
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