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https://www.readbyqxmd.com/read/29110841/heterogeneous-resistance-mechanisms-in-an-egfr-exon-19-mutated-non-small-cell-lung-cancer-patient-treated-with-erlotinib-persistent-fgfr3-mutation-localized-transformation-to-egfr-mutated-sclc-and-acquired-t790m-egfr-mutation
#1
Eric Santoni-Rugiu, Morten Grauslund, Linea C Melchior, Junia C Costa, Jens B Sørensen, Edyta M Urbanska
Patients with epidermal growth factor receptor (EGFR) gene-mutated non-small cell lung cancer (NSCLC) obtain substantial clinical benefit from EGFR tyrosine-kinase inhibitors (TKIs), but will ultimately develop TKI-resistance resulting in median progression-free survival of 9-15 months during first-line TKI-therapy. However, type and timing of TKI-resistance cannot be predicted and several mechanisms may simultaneously/subsequently occur during TKI-treatment. In this respect, we present a 49 year-old Caucasian male ex-smoker with metastatic pulmonary adenocarcinoma (ADC) that concomitantly harbored an EGFR exon 19-mutation (p...
November 2017: Lung Cancer: Journal of the International Association for the Study of Lung Cancer
https://www.readbyqxmd.com/read/29089529/heparin-at-physiological-concentration-can-enhance-peg-free-in-vitro-infection-with-human-hepatitis-b-virus
#2
Gansukh Choijilsuren, Ren-Shiang Jhou, Shu-Fan Chou, Ching-Jen Chang, Hwai-I Yang, Yang-Yuan Chen, Wan-Long Chuang, Ming-Lung Yu, Chiaho Shih
Hepatitis B virus (HBV) is a blood-borne pathogen responsible for chronic hepatitis, cirrhosis, and liver cancer. The mechanism of HBV entry into hepatocytes remains to be investigated. Recently, sodium taurocholate cotransporting polypeptide (NTCP) was discovered as a major HBV receptor based on an in vitro infection system using NTCP-reconstituted HepG2 cells. However, this infection system relies on the compound polyethylene glycol (4% PEG), which is not physiologically relevant to human infection. High concentration of heparin has been commonly used as an inhibitor control for in vitro infection in the field...
October 31, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29033936/coinhibitory-receptor-expression-and-immune-checkpoint-blockade-maintaining-a-balance-in-cd8-t-cell-responses-to-chronic-viral-infections-and-cancer
#3
REVIEW
Isobel S Okoye, Michael Houghton, Lorne Tyrrell, Khaled Barakat, Shokrollah Elahi
In cancer and chronic viral infections, T cells are exposed to persistent antigen stimulation. This results in expression of multiple inhibitory receptors also called "immune checkpoints" by T cells. Although these inhibitory receptors under normal conditions maintain self-tolerance and prevent immunopathology, their sustained expression deteriorates T cell function: a phenomenon called exhaustion. Recent advances in cancer immunotherapy involve blockade of cytotoxic T lymphocyte antigen-4 and programmed cell death 1 in order to reverse T cell exhaustion and reinvigorate immunity, which has translated to dramatic clinical remission in many cases of metastatic melanoma and lung cancer...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28957337/the-impact-of-an-additional-extra-hepatic-primary-malignancy-on-the-outcomes-of-patients-with-hepatocellular-carcinoma
#4
Ming-Lun Yeh, Ching-I Huang, Chung-Feng Huang, Ming-Yen Hsieh, Zu-Yau Lin, Jee-Fu Huang, Chia-Yen Dai, Ming-Lung Yu, Shinn-Cherng Chen, Wan-Long Chuang
BACKGROUND: The impact of additional extra-hepatic primary cancer (EHPC) on the outcomes of patients with hepatocellular carcinoma (HCC) remains uncertain. METHODS: We retrospectively analyzed the cancer registration database from a tertiary hospital in Southern Taiwan. Patients who were diagnosed with HCC from 2008 to 2012 were enrolled. Overall survival (OS), HCC-specific survival and recurrence after curative therapy were analyzed and compared between the patients with and the patients without EHPC...
2017: PloS One
https://www.readbyqxmd.com/read/28930257/physicochemical-properties-antioxidant-and-cytotoxic-activities-of-crude-extracts-and-fractions-from-phyllanthus-amarus
#5
Van Tang Nguyen, Jennette A Sakoff, Christopher J Scarlett
Background:Phyllanthus amarus (P. amarus) has been used as a medicinal plant for the prevention and treatment of chronic ailments such as diabetes, hepatitis, and cancer. Methods: The physicochemical properties, antioxidant and cytotoxic activities of crude extracts and fractions from P. amarus were determined using spectrophotometric method. Results: The P. amarus methanol (PAM) extract had lower levels of residual moisture (7.40%) and water activity (0.24) and higher contents of saponins, phenolics, flavonoids, and proanthocyanidins (1657...
June 18, 2017: Medicines (Basel, Switzerland)
https://www.readbyqxmd.com/read/28882769/adjuvant-hepatic-artery-infusion-chemotherapy-after-hemihepatectomy-for-gastric-cancer-liver-metastases
#6
Yasuyuki Fukami, Yuji Kaneoka, Atsuyuki Maeda, Yuichi Takayama, Takamasa Takahashi, Masahito Uji, Takashi Kumada
BACKGROUND: The most frequent pattern of recurrence is remnant liver after hepatectomy for gastric cancer liver metastases (GLM). The evidence of adjuvant hepatic artery infusion chemotherapy (HAIC) after hepatectomy for GLM is lacking. The aim of this study was to evaluate the efficacy of adjuvant HAIC after hemihepatectomy for GLM. METHODS: Between 2001 and 2012, 14 patients who underwent hemihepatectomy for GLM were included in this study. Adjuvant HAIC to the remnant hemiliver was the FEM regimen (333 mg/m(2) 5-fluorouracil each week, 30 mg/m(2) epirubicin once every 4 weeks, and 2...
October 2017: International Journal of Surgery
https://www.readbyqxmd.com/read/28833619/cost-effective-options-for-the-prevention-and-management-of-gastrointestinal-and-liver-disease-in-the-asia-pacific-region
#7
REVIEW
Ian C Roberts-Thomson, Thomas Lung
The Asia-Pacific region contains more than half of the world's population and is markedly heterogeneous in relation to income levels and the provision of public and private health services. For low-income countries, the major health priorities are child and maternal health. In contrast, priorities for high-income countries include vascular disease, cancer, diabetes, dementia and mental health disorders as well as chronic inflammatory disorders such as hepatitis B and hepatitis C. Cost-effectiveness analyses are methods for assessing the gains in health relative to the costs of different health interventions...
August 17, 2017: Journal of Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28709052/colon-cancer-metastasis-to-the-thyroid-gland-a-case-report
#8
M I Coelho, M N Albano, C E Costa Almeida, L S Reis, N Moreira, C M C Almeida
INTRODUCTION: Thyroid metastases from colorectal cancer are uncommon and few cases are described in literature. CASE PRESENTATION: A 64-year-old female patient presented with an asymptomatic right cervical nodule with a rapid growth six years after sigmoidectomy for cancer and two years after resection of colorectal lung metastases. Increased CA 19.9 was identified and a thoracoabdominal CT scan revealed the onset of new metastatic bilateral pulmonary lesions. Neck ultrasonography showed a suspicious nodule in the right thyroid lobe, and Fine-needle Aspiration Cytology (FNAC) of the nodule lead to the diagnosis of colorectal cancer metastasis...
2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28689597/other-extrahepatic-manifestations-of-hepatitis-c-virus-infection-pulmonary-idiopathic-thrombocytopenic-purpura-nondiabetes-endocrine-disorders
#9
REVIEW
Daniel Segna, Jean-François Dufour
Extrahepatic manifestations of hepatitis C virus (HCV) infection are a rare but serious condition. This article summarizes the current literature on the association between HCV and endocrine and pulmonary manifestations, as well as idiopathic thrombocytopenic purpura (ITP). HCV may directly infect extrahepatic tissues and interact with the immune system predisposing for obstructive and interstitial lung disease, ITP, autoimmune thyroiditis, infertility, growth hormone and adrenal deficiencies, osteoporosis, and potentially lung and thyroid cancers...
August 2017: Clinics in Liver Disease
https://www.readbyqxmd.com/read/28683054/invasive-cancer-incidence-2004-2013-and-deaths-2006-2015-in-nonmetropolitan-and-metropolitan-counties-united-states
#10
S Jane Henley, Robert N Anderson, Cheryll C Thomas, Greta M Massetti, Brandy Peaker, Lisa C Richardson
PROBLEM/CONDITION: Previous reports have shown that persons living in nonmetropolitan (rural or urban) areas in the United States have higher death rates from all cancers combined than persons living in metropolitan areas. Disparities might vary by cancer type and between occurrence and death from the disease. This report provides a comprehensive assessment of cancer incidence and deaths by cancer type in nonmetropolitan and metropolitan counties. REPORTING PERIOD: 2004-2015...
July 7, 2017: MMWR. Surveillance Summaries: Morbidity and Mortality Weekly Report. Surveillance Summaries
https://www.readbyqxmd.com/read/28668397/interleukin-6-c-ebp-%C3%AE-and-ppar-%C3%AE-expression-correlates-with-intramuscular-liposarcoma-growth-in-mice-the-impact-of-voluntary-physical-activity-levels
#11
Mohamad Assi, Moussa Kenawi, Mickaël Ropars, Amélie Rébillard
IL-6 is an axial cytokine overexpressed in cancer to promote growth and increase resistance to anti-cancer therapies. As the application of IL-6-targeting therapies are still limited, alternative non-aggressive and adjuvant approaches, like physical activity (PA) could be useful to reverse IL-6 effects. To get more insights into liposarcoma (LS) pathophysiology, we investigated potential molecular links between IL-6 and LS growth and we tested the impact of PA on such mechanism in an orthotopic model of intramuscular LS...
August 26, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28648905/antibodies-against-immune-checkpoint-molecules-restore%C3%A2-functions-of-tumor-infiltrating-t-cells-in-hepatocellular%C3%A2-carcinomas
#12
Guoying Zhou, Dave Sprengers, Patrick P C Boor, Michail Doukas, Hannah Schutz, Shanta Mancham, Alexander Pedroza-Gonzalez, Wojciech G Polak, Jeroen de Jonge, Marcia Gaspersz, Haidong Dong, Kris Thielemans, Qiuwei Pan, Jan N M IJzermans, Marco J Bruno, Jaap Kwekkeboom
BACKGROUND & AIMS: Ligand binding to inhibitory receptors on immune cells, such as programmed cell death 1 (PD-1) and cytotoxic T-lymphocyte associated protein 4 (CTLA4), down-regulates the T-cell-mediated immune response (called immune checkpoints). Antibodies that block these receptors increase antitumor immunity in patients with melanoma, non-small-cell lung cancer, and renal cell cancer. Tumor-infiltrating CD4(+) and CD8(+) T cells in patients with hepatocellular carcinoma (HCC) have been found to be functionally compromised...
October 2017: Gastroenterology
https://www.readbyqxmd.com/read/28584022/ikk%C3%AE-mediated-resistance-to-skin-cancer-development-is-ink4a-arf-dependent
#13
Angustias Page, Ana Bravo, Cristian Suarez-Cabrera, Josefa P Alameda, M Llanos Casanova, Corina Lorz, Carmen Segrelles, José C Segovia, Jesús M Paramio, Manuel Navarro, Angel Ramirez
IKKβ (encoded by IKBKB) is a protein kinase that regulates the activity of numerous proteins important in several signaling pathways, such as the NF-κB pathway. IKKβ exerts a protumorigenic role in several animal models of lung, hepatic, intestinal, and oral cancer. In addition, genomic and proteomic studies of human tumors also indicate that IKBKB gene is amplified or overexpressed in multiple tumor types. Here, the relevance of IKKβ in skin cancer was determined by performing carcinogenesis studies in animal models overexpressing IKKβ in the basal skin layer...
June 5, 2017: Molecular Cancer Research: MCR
https://www.readbyqxmd.com/read/28553352/hepatitis-c-virus-and-nonliver-solid-cancers-is-there-an-association-between-hcv-and-cancers-of-the-pancreas-thyroid-kidney-oral-cavity-breast-lung-and-gastrointestinal-tract
#14
REVIEW
Saad Qadwai, Tayyaba Rehman, Jonathan Barsa, Zeeshan Solangi, Edward Lebovics
Hepatitis C virus (HCV) is known for its oncogenic potential and has been found to be associated with hepatocellular carcinoma (HCC) and non-Hodgkin lymphoma. It has also been postulated that HCV may play a role in the development of other extrahepatic solid tumors of other organs of the body since it has been isolated from the vessel wall, kidney, and oral mucosa. In this article, we have reviewed epidemiological studies that have been done to look into the relationship of HCV with nonliver solid cancers of the pancreas, thyroid, renal, oral cavity, breast, and lung and nonpancreatic gastrointestinal cancers...
2017: Gastroenterology Research and Practice
https://www.readbyqxmd.com/read/28542880/suicidal-death-of-erythrocytes-in-cancer-and-its-chemotherapy-a-potential-target-in-the-treatment-of-tumor-associated-anemia
#15
REVIEW
Elisabeth Lang, Rosi Bissinger, Syed M Qadri, Florian Lang
In analogy to apoptosis of nucleated cells, erythrocytes may enter eryptosis characterized by cell shrinkage and cell membrane scrambling. Eryptotic erythrocytes are rapidly cleared from circulating blood and may adhere to the vascular wall. Stimulation of eryptosis thus impairs microcirculation and leads to anemia as soon as the loss of erythrocytes cannot be fully compensated by enhanced erythropoiesis. Signaling stimulating eryptosis includes increase of cytosolic Ca(2+) -activity, ceramide, caspases, calpain, p38-kinase, protein-kinase C, Janus-activated kinase 3, casein-kinase 1α, and cyclin-dependent kinase 4...
October 15, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28534513/protein-disulfide-isomerase-a4-acts-as-a-novel-regulator-of-cancer-growth-through-the-procaspase-pathway
#16
T-F Kuo, T-Y Chen, S-T Jiang, K-W Chen, Y-M Chiang, Y-J Hsu, Y-J Liu, H-M Chen, K K Yokoyama, K-C Tsai, H-H Yeh, Y-R Chen, M-T Yang, C-Y Yang, W-C Yang
Protein disulfide isomerase a4 (PDIA4) is implicated in the growth and death of tumor cells; however, its molecular mechanism and therapeutic potential in cancer are unclear. Here, we found that PDIA4 expression was upregulated in a variety of tumor cell lines and human lung adenocarcinoma tissues. Knockdown and overexpression of PDIA4 in tumor cells showed that PDIA4 facilitated cell growth via the reduction of caspases 3 and 7 activity. Consistently, Lewis lung carcinoma cells overexpressing PDIA4 grew faster than did parental cells in tumor-bearing mice, as shown by a reduced survival rate, increased tumor size and metastasis, and decreased cell death and caspases 3 and 7 activity...
September 28, 2017: Oncogene
https://www.readbyqxmd.com/read/28507206/real-world-data-on-prognostic-factors-for-overall-survival-in-egfr-mutation-positive-advanced-non-small-cell-lung-cancer-patients-treated-with-first-line-gefitinib
#17
Zong-Han Yao, Wei-Yu Liao, Chao-Chi Ho, Kuan-Yu Chen, Jin-Yuan Shih, Jin-Shing Chen, Zhong-Zhe Lin, Chia-Chi Lin, James Chih-Hsin Yang, Chong-Jen Yu
BACKGROUND: This study aimed to identify independent prognostic factors for overall survival (OS) of patients with advanced non-small cell lung cancer (NSCLC) harboring an activating epidermal growth factor receptor (EGFR) mutation and receiving gefitinib as first-line treatment in real-world practice. MATERIALS AND METHODS: We enrolled 226 patients from June 2011 to May 2013. During this period, gefitinib was the only EGFR-tyrosine kinase inhibitor reimbursed by the Bureau of National Health Insurance of Taiwan...
September 2017: Oncologist
https://www.readbyqxmd.com/read/28414566/the-changed-proportion-of-cd45ra-cd45ro-t-cells-in-chronic-hepatitis-c-patients-during-pegylated-interferon-%C3%AE-with-ribavirin-therapy
#18
Jung-Lung Hsiao, Wang-Sheng Ko, Chia-Ju Shih, Ya-Ling Chiou
Infection with the hepatitis C virus (HCV) may progress toward chronic hepatitis, liver cirrhosis, and liver cancer. A therapy for patients with chronic HCV infection is the combination of pegylated interferon-α with ribavirin, which increases the rate of sustained virological response (SVR) to 56%. However, a practical biomarker to predict SVR is lacking. T cells expressing the CD45RA isoform are considered naive, and antigenic stimulation converts them to CD45RO(+). CD45RO(+) T cells exhibit immediate response and high lymphokine production, leading to the maintenance and upregulation of immune reactions...
July 2017: Journal of Interferon & Cytokine Research
https://www.readbyqxmd.com/read/28413670/glasgow-prognostic-score-predicts-prognosis-of-intrahepatic-cholangiocarcinoma
#19
Qun-Xiong Pan, Zi-Jian Su, Jian-Hua Zhang, Chong-Ren Wang, Shao-Ying Ke
High Glasgow Prognostic Score (GPS) has been associated with poor prognosis in patients with lung, ovarian, colorectal and renal cancer, as well as hepatocellular carcinoma. The aim of this study was to investigate the prognostic value of GPS in patients with intrahepatic cholangiocarcinoma (ICC) undergoing partial hepatectomy. A total of 72 patients with pathologically confirmed ICC were classified according to their GPS scores assigned based on the preoperative levels of C-reactive protein (CRP) and albumin...
April 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28408492/cd81-as-a-tumor-target
#20
REVIEW
Felipe Vences-Catalán, Caroline Duault, Chiung-Chi Kuo, Ranjani Rajapaksa, Ronald Levy, Shoshana Levy
CD81 participates in a variety of important cellular processes such as membrane organization, protein trafficking, cellular fusion and cell-cell interactions. In the immune system, CD81 regulates immune synapse, receptor clustering and signaling; it also mediates adaptive and innate immune suppression. CD81 is a gateway in hepatocytes for pathogens such as hepatitis C virus and Plasmodium; it also confers susceptibility to Listeria infection. These diverse biological roles are due to the tendency of CD81 to associate with other tetraspanins and with cell-specific partner proteins, which provide the cells with a signaling platform...
April 15, 2017: Biochemical Society Transactions
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