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https://www.readbyqxmd.com/read/28804908/influence-of-abiraterone-acetate-on-neuroendocrine-differentiation-in-chemotherapy-naive-metastatic-castration-resistant-prostate-cancer
#1
Baijun Dong, Liancheng Fan, Yanqing Wang, Chenfei Chi, Xiaowei Ma, Rui Wang, Wen Cai, Xiaoguang Shao, Jiahua Pan, Yinjie Zhu, Xun Shangguan, Zhixiang Xin, Jianian Hu, Shaowei Xie, Xiaonan Kang, Lixin Zhou, Wei Xue
BACKGROUND: To determine the influence of abiraterone Acetate (AA) on neuroendocrine differentiation (NED) in patients with chemotherapy-naive metastatic castration-resistant prostate cancer (mCRPC). METHODS: We conducted an analysis in 115 chemotherapy-naïve mCRPC patients who would be treated with chemotherapy. The serum levels of chromogranin A (CgA), neurone-specific enolase (NSE) were measured in 67 mCRPC patients without AA treatment and 48 patients after the failure of AA treatment, in which these markers were also measured in 34 patients before and after 6 months of AA treatment...
August 14, 2017: Prostate
https://www.readbyqxmd.com/read/28797032/comprehensive-geriatric-assessment-in-326-older-women-with-early-breast-cancer
#2
D O Okonji, R Sinha, I Phillips, D Fatz, A Ring
BACKGROUND: One-third of new early breast cancer diagnoses occur in women over 70 years old. However, older women are less likely to receive radical curative treatments. This study prospectively evaluated a cohort of older women using a Comprehensive Geriatric Assessment (CGA) to determine whether fitness explained the apparent under-treatment in this patient group. METHODS: In this multi-centre prospective study, patients aged ⩾70 years with Stages I-III breast cancer underwent a pretreatment baseline CGA consisting of eight assessment tools...
August 10, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28738329/distinct-involvement-of-the-sonic-hedgehog-signaling-pathway-in-gastric-adenocarcinoma-of-fundic-gland-type-and-conventional-gastric-adenocarcinoma
#3
Yuzuru Tajima, Takashi Murakami, Tsuyoshi Saito, Takafumi Hiromoto, Yoichi Akazawa, Noriko Sasahara, Hiroyuki Mitomi, Takashi Yao, Sumio Watanabe
BACKGROUND/AIMS: Gastric adenocarcinoma of fundic gland type (GAFG), which is a rare variant of gastric cancer, is reportedly associated with both Wnt/β-catenin signaling activation and guanine nucleotide binding protein, alpha stimulating complex (GNAS) mutations. This study aimed to elucidate potential roles of the Sonic hedgehog (Shh) signaling pathway in GAFG. METHODS: We performed immunostaining for β-catenin and Shh signal-associated proteins, including Patched (Ptch), Smoothened (Smo), and Glioma-associated oncogene-1 (Gli1), and the direct sequencing of GNAS/BRAF/KRAS in 27 GAFGs, and compared them with 30 conventional gastric adenocarcinomas (CGAs)...
July 22, 2017: Digestion
https://www.readbyqxmd.com/read/28719146/natural-compounds-in-cancer-prevention-effects-of-coffee-extracts-and-their-main-polyphenolic-component-5-cqa-on-oncogenic-ras-proteins
#4
Alessandro Palmioli, Carlotta Cairamelli, Renata Tisi, Michela Spinelli, Gaia De Sanctis, Elena Sacco, Cristina Airoldi
Recent epidemiological studies demonstrate that consumption of healthy foods, especially rich in polyphenols content, might reduce the incidence of cancer and degenerative diseases. In particular, chlorogenic acids (CGAs) occur ubiquitously in food, representing the most abundant polyphenols in the human diet. A number of CGA beneficial biological effects, including anti-inflammatory activity, anti-carcinogenic activity and protection against neurodegenerative diseases have been reported. However, the molecular mechanisms at the basis of these biological activities have not yet been investigated in depth...
July 18, 2017: Chemistry, An Asian Journal
https://www.readbyqxmd.com/read/28688872/paraganglioma-of-the-urinary-bladder-a-series-of-22-cases-in-a-single-center
#5
Hongyun Zhai, Xin Ma, Wenyuan Nie, Hongzhao Li, Cheng Peng, Xintao Li, Yu Zhang, Xu Zhang
OBJECTIVE: Paraganglioma of the urinary bladder (PUB) is rare in bladder cancer, and currently, a study examining large number of cases from a single center has not been reported. This study aimed to present the clinical features, treatments, pathological characteristics, and prognosis of PUB. PATIENTS AND METHODS: From January 2006 to June 2016, 22 patients were pathologically diagnosed with PUB in our hospital. Their clinical records, operative notes, pathological reports, and follow-up records were retrospectively reviewed...
March 28, 2017: Clinical Genitourinary Cancer
https://www.readbyqxmd.com/read/28659138/the-effect-of-geriatric-intervention-in-frail-elderly-patients-receiving-chemotherapy-for-colorectal-cancer-a-randomized-trial-gerico
#6
C M Lund, K K Vistisen, C Dehlendorff, F Rønholt, J S Johansen, D L Nielsen
BACKGROUND: Better surgical techniques, chemotherapy and biological therapy have improved survival in patients with colorectal cancer (CRC), most markedly in younger patients. About half of patients over 70 years receive dose reductions or early treatment discontinuation of the planned adjuvant or first-line treatment due to side effects. The Comprehensive Geriatric Assessment (CGA) is a multidisciplinary evaluation of an elderly individual's health status. This assessment in older patients with cancer can predict survival, chemotherapy toxicity and morbidity...
June 28, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28592379/comprehensive-geriatric-assessment-in-men-aged-70-years-or-older-with-localised-prostate-cancer-undergoing-radical-radiotherapy
#7
G E C Osborne, S A Appleyard, D C Gilbert, C I Jones, C Lorimer, M Villanueva, E Peasgood, A Robinson, A Nikapota, A Ring
AIMS: Treatment decisions for men aged 70 years or over with localised prostate cancer need to take into account the risk of death from competing causes and fitness for the proposed treatment. Objective assessments such as those included in a comprehensive geriatric assessment (CGA) might help to inform the decision-making process. The aim of this study was to describe the CGA scores of a cohort of older men with prostate cancer, evaluate potential screening tools in this population and assess whether any CGA component predicts significant acute radiotherapy toxicity...
June 4, 2017: Clinical Oncology: a Journal of the Royal College of Radiologists
https://www.readbyqxmd.com/read/28585679/diagnostic-value-of-selected-biochemical-markers-in-the-detection-of-recurrence-of-medullary-thyroid-cancer-comparison-of-calcitonin-procalcitonin-chromogranin-a-and-carcinoembryonic-antigen
#8
Kosma Woliński, Jarosław Kaznowski, Aleksandra Klimowicz, Adam Maciejewski, Dagny Łapińska-Cwojdzińska, Edyta Gurgul, Adrian D Car, Marta Fichna, Paweł Gut, Maria Gryczyńska, Marek Ruchała
INTRODUCTION: Medullary thyroid cancer (MTC) is a malignancy of the thyroid gland, which derives from parafollicular C cells. Periodic measurement of biochemical markers of MTC remains a crucial part of patient follow-up and disease monitoring. The aim of the study was to compare the diagnostic value of four selected markers - calcitonin (Ct), procalcitonin (PCT), chromogranin A (CgA), and carcinoembryonic antigen (CEA). METHODS: Patients with histopathologically confirmed MTC hospitalised in a single department between January 2015 and December 2015 were included in the study...
June 6, 2017: Endokrynologia Polska
https://www.readbyqxmd.com/read/28578586/origin-of-somatic-mutations-in-%C3%AE-catenin-versus-adenomatous-polyposis-coli-in-colon-cancer-random-mutagenesis-in-animal-models-versus-nonrandom-mutagenesis-in-humans
#9
Da Yang, Min Zhang, Barry Gold
Wnt signaling is compromised early in the development of human colorectal cancer (CRC) due to truncating nonsense mutations in adenomatous polyposis coli (APC). CRC induced by chemical carcinogens, such as heterocyclic aromatic amines and azoxymethane, in mice also involves dysregulation of Wnt signaling but via activating missense mutations in the β-catenin oncogene despite the fact that genetically modified mice harboring an inactive APC allele efficiently develop CRC. In contrast, activating mutations in β-catenin are rarely observed in human CRC...
June 15, 2017: Chemical Research in Toxicology
https://www.readbyqxmd.com/read/28575250/characterization-of-tissue-chromogranin-a-cga-immunostaining-and-clinicohistopathological-changes-for-the-125-chinese-patients-with-primary-small-cell-carcinoma-of-the-esophagus
#10
J W Ku, D Y Zhang, X Song, X M Li, X K Zhao, S Lv, S J Hu, R Cheng, F Y Zhou, H F Wu, L D Wang
The rarity of primary small cell carcinoma of the esophagus (PSCE) has limited the clinical feature and survival analysis with large sample size. Tissue chromogranin A (CgA) protein expression has been reported to be a useful biomarker for diagnosing PSCE. Interestingly, recent studies have indicated tissue CgA as a significant prognostic marker in multiple human cancers, but without PSCE. The present study, thus, was undertaken to characterize the clinicopathological changes and to evaluate the associations of tissue CgA expression with clinical response on Chinese PSCE patients...
August 1, 2017: Diseases of the Esophagus: Official Journal of the International Society for Diseases of the Esophagus
https://www.readbyqxmd.com/read/28561881/reference-limits-for-chromogranin-a-cyfra-21-1-ca-125-ca-19-9-and-carcinoembryonic-antigen-in-patients-with-chronic-kidney-disease
#11
Gustav Mikkelsen, Arne Åsberg, Maria E Hultström, Knut Aasarød, Gunhild G Hov
BACKGROUND: Patients with chronic kidney disease (CKD) may have increased plasma concentrations of some tumor markers even when no cancer is present. Previous studies have indicated that plasma concentrations of chromogranin A (CGA), cytokeratin 19 fragments (CYFRA 21-1), cancer antigen 125 (CA 125), cancer antigen 19-9 (CA 19-9) and carcinoembryonic antigen (CEA) are higher in patients with CKD but without cancer, than in healthy individuals, and this can make interpretation of results more complicated...
May 27, 2017: International Journal of Biological Markers
https://www.readbyqxmd.com/read/28533106/trans-sectoral-care-of-geriatric-cancer-patients-based-on-comprehensive-geriatric-assessment-and-patient-reported-quality-of-life-results-of-a-multicenter-study-to-develop-and-pilot-test-a-patient-centered-interdisciplinary-care-concept-for-geriatric-oncology
#12
Heike Schmidt, Stephanie Boese, Katharina Lampe, Karin Jordan, Eckhard Fiedler, Ursula Müller-Werdan, Andreas Wienke, Dirk Vordermark
OBJECTIVES: For older patients with cancer the maintenance of independence, functionality and health-related quality of life (HRQOL) is of great importance. Aiming to maintain HRQOL of older patients with cancer we developed an interdisciplinary care program based on comprehensive geriatric assessment (CGA) and patient-reported HRQOL comprising tailored supportive measures and telephone-based counseling during 6month aftercare. MATERIALS AND METHODS: Pilot-testing of the intervention took place in three centers at the University Hospital Halle to examine feasibility, acceptance and potential benefit...
July 2017: Journal of Geriatric Oncology
https://www.readbyqxmd.com/read/28501118/impact-of-chromogranin-a-differentiation-and-mitoses-in-nonfunctional-pancreatic-neuroendocrine-tumors-%C3%A2-2%C3%A2-cm
#13
Katelin A Mirkin, Christopher S Hollenbeak, Joyce Wong
BACKGROUND: Small pancreatic neuroendocrine tumors (PNETs) are a unique subset of pancreatic neoplasms. Chromogranin A (CgA) levels, mitotic rate, and histologic differentiation are often used to characterize PNET behavior. This study evaluates the impact of these factors on survival in patients with PNETs. METHODS: The US National Cancer Data Base (1998-2012) was reviewed for patients with stages I-III, nonfunctional PNETs ≤2 cm. Clinicopathologic characteristics were collected, and univariate and multivariate survival analyses were performed...
May 1, 2017: Journal of Surgical Research
https://www.readbyqxmd.com/read/28487465/geriatric-assessment-predicts-survival-and-competing-mortality-in-elderly-patients-with-early-colorectal-cancer-can-it-help-in-adjuvant-therapy-decision-making
#14
Maite Antonio, Juana Saldaña, Alberto Carmona-Bayonas, Valentín Navarro, Cristian Tebé, Marga Nadal, Francesc Formiga, Ramon Salazar, Josep Maria Borràs
BACKGROUND: The challenge when selecting elderly patients with colorectal cancer (CRC) for adjuvant therapy is to estimate the likelihood that death from other causes will preclude cancer events from occurring. The aim of this paper is to evaluate whether comprehensive geriatric assessment (CGA) can predict survival and cancer-specific mortality in elderly CRC patients candidates for adjuvant therapy. MATERIAL AND METHODS: One hundred ninety-five consecutive patients aged ≥75 with high-risk stage II and stage III CRC were prospectively included from May 2008 to May 2015...
August 2017: Oncologist
https://www.readbyqxmd.com/read/28479099/protective-effect-of-chlorogenic-acid-against-methotrexate-induced-oxidative-stress-inflammation-and-apoptosis-in-rat-liver-an-experimental-approach
#15
Nemat Ali, Summya Rashid, Sana Nafees, Syed Kazim Hasan, Ayaz Shahid, Ferial Majed, Sarwat Sultana
Methotrexate (MTX) is a drug which is used to treat different types of cancers but hepatotoxicity limits its clinical use. Chlorogenic acid (CGA) is one of the most abundant naturally occurring polyphenols in the human diet. Here, we assessed the effect of CGA against MTX-induced hepatotoxicity and investigated the underlying possible mechanisms in Wistar Rats. Rats were pre-treated with CGA (50 or 100 mg kg/b.w) and administered a single dose of MTX (20 mg/kg, b.w.). MTX caused hepatotoxicity as evidenced by significant increase in serum toxicity markers, histopathological changes...
June 25, 2017: Chemico-biological Interactions
https://www.readbyqxmd.com/read/28454385/neuroendocrine-differentiation-is-predictive-of-poor-survival-in-patients-with-stage-ii-colorectal-cancer
#16
Yue Liu, Jinjie He, Jinghong Xu, Jun Li, Yurong Jiao, Dikai Bei, Yeting Hu, Haiyan Chen, Qian Xiao, Kefeng Ding
The diagnosis of neuroendocrine differentiation (NED) is made primarily on the basis of ultrastructure and/or immunohistochemistry (IHC). Synaptophysin (Syn) and chromogranin A (CgA) are two important frequently used NED markers in colorectal cancer (CRC). The association between NED and the prognosis of stage II CRC remains controversial. Administration of adjuvant chemotherapy remains challenging for stage II CRC. Identification of reliable factors that improve the selection of patients with stage II CRC at high risk following surgery is of great importance...
April 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454214/genome-wide-analysis-of-gynecologic-cancer-the-cancer-genome-atlas-in-ovarian-and-endometrial-cancer
#17
Moito Iijima, Kouji Banno, Ryuichiro Okawa, Megumi Yanokura, Miho Iida, Takashi Takeda, Haruko Kunitomi-Irie, Masataka Adachi, Kanako Nakamura, Kiyoko Umene, Yuya Nogami, Kenta Masuda, Eiichiro Tominaga, Daisuke Aoki
Cancer typically develops due to genetic abnormalities, but a single gene abnormality cannot completely account for the onset of cancer. The Cancer Genome Atlas (CGA) project was conducted for the cross-sectional genome-wide analysis of numerous genetic abnormalities in various types of cancer. This approach has facilitated the identification of novel AT-rich interaction domain 1A gene mutations in ovarian clear cell carcinoma, frequent tumor protein 53 (TP53) gene mutations in high-grade ovarian serous carcinoma, and Kirsten rat sarcoma and B-rapidly accelerated fibrosarcoma proto-oncogene, serine/threonine kinase gene mutations in low-grade ovarian serous carcinoma...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28391515/the-potential-effects-of-chlorogenic-acid-the-main-phenolic-components-in-coffee-on-health-a-comprehensive-review-of-the-literature
#18
REVIEW
Narges Tajik, Mahboubeh Tajik, Isabelle Mack, Paul Enck
Chlorogenic acid (CGA), an important biologically active dietary polyphenol, is produced by certain plant species and is a major component of coffee. Reduction in the risk of a variety of diseases following CGA consumption has been mentioned in recent basic and clinical research studies. This systematic review discusses in vivo animal and human studies of the physiological and biochemical effects of chlorogenic acids (CGAs) on biomarkers of chronic disease. We searched PubMed, Embase, Amed and Scopus using the following search terms: ("chlorogenic acid" OR "green coffee bean extract") AND (human OR animal) (last performed on April 1st, 2015) for relevant literature on the in vivo effects of CGAs in animal and human models, including clinical trials on cardiovascular, metabolic, cancerogenic, neurological and other functions...
April 8, 2017: European Journal of Nutrition
https://www.readbyqxmd.com/read/28340142/multigene-signature-for-predicting-prognosis-of-patients-with-1p19q-co-deletion-diffuse-glioma
#19
Xin Hu, Emmanuel Martinez-Ledesma, Siyuan Zheng, Hoon Kim, Floris Barthel, Tao Jiang, Kenneth R Hess, Roel G W Verhaak
Background: Co-deletion of 1p and 19q marks a diffuse glioma subtype associated with relatively favorable overall survival; however, heterogeneous clinical outcomes are observed within this category. Methods: We assembled gene expression profiles and sample annotation of 374 glioma patients carrying the 1p/19q co-deletion. We predicted 1p/19q status using gene expression when annotation was missing. A first cohort was randomly split into training (n = 170) and a validation dataset (n = 163)...
June 1, 2017: Neuro-oncology
https://www.readbyqxmd.com/read/28327973/modeling-individual-and-relative-accuracy-of-screening-tools-in-geriatric-oncology
#20
C A Bellera, F Artaud, M Rainfray, P L Soubeyran, S Mathoulin-Pélissier
Background: Classification probabilities reflect to what degree a screening test represents the true disease state and include true positive (TPF) and false positive fractions (FPF). With two tests, one can compare TPF and FPF using relative probabilities which offer advantages in terms of interpretation and statistical modeling. Our objective was to highlight how individual and relative TPF and FPF can be easily estimated and compared within a regression modeling framework. This allows the modeling of tests' accuracy while adjusting for multiple covariates, and thus provides valuable information in addition to the crude TPF and FPF...
May 1, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
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