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Cancer early detection

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https://www.readbyqxmd.com/read/27922627/blood-based-and-urinary-prostate-cancer-biomarkers-a-review-and-comparison-of-novel-biomarkers-for-detection-and-treatment-decisions
#1
REVIEW
R J Hendriks, I M van Oort, J A Schalken
BACKGROUND: The diagnosis of prostate cancer (PCa) is currently based on serum PSA testing and/or abnormal digital rectal examination and histopathologic evaluation of prostate biopsies. The main drawback of PSA testing is the lack of specificity for PCa. To improve early detection of PCa more specific biomarkers are needed. In the past few years, many new promising biomarkers have been identified; however, to date, only a few have reached clinical practice. METHODS: In this review, we discuss new blood-based and urinary biomarker models that are promising for usage in PCa detection, follow-up and treatment decision-making...
December 6, 2016: Prostate Cancer and Prostatic Diseases
https://www.readbyqxmd.com/read/27922049/identification-of-kiaa1199-as-a-biomarker-for-pancreatic-intraepithelial-neoplasia
#2
Han Na Suh, Sohee Jun, Ah-Young Oh, Mrinal Srivastava, Sunhye Lee, Cullen M Taniguchi, Songlin Zhang, Won Sup Lee, Junjie Chen, Bum-Joon Park, Jae-Il Park
Pancreatic cancer is one of the most aggressive cancers and has an extremely poor prognosis. Despite recent progress in both basic and clinical research, most pancreatic cancers are detected at an incurable stage owing to the absence of disease-specific symptoms. Thus, developing novel approaches for detecting pancreatic cancer at an early stage is imperative. Our in silico and immunohistochemical analyses showed that KIAA1199 is specifically expressed in human pancreatic cancer cells and pancreatic intraepithelial neoplasia, the early lesion of pancreatic cancer, in a genetically engineered mouse model and in human patient samples...
December 6, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27917589/the-petale-study-late-adverse-effects-and-biomarkers-in-childhood-acute-lymphoblastic-leukemia-survivors
#3
Sophie Marcoux, Simon Drouin, Caroline Laverdière, Nathalie Alos, Gregor U Andelfinger, Laurence Bertout, Daniel Curnier, Matthias G Friedrich, Ekaterini A Kritikou, Geneviève Lefebvre, Emile Levy, Sarah Lippé, Valérie Marcil, Marie-Josée Raboisson, Frank Rauch, Philippe Robaey, Mariia Samoilenko, Chantal Séguin, Serge Sultan, Maja Krajinovic, Daniel Sinnett
BACKGROUND: Childhood cancer survivorship issues represent an established public health challenge. Most late adverse effects (LAEs) have been demonstrated to be time and treatment dependent. The PETALE study is a multidisciplinary research project aiming to comprehensively characterize LAEs and identify associated predictive biomarkers in childhood acute lymphoblastic leukemia (cALL) survivors. METHODS: cALL survivors treated at Sainte-Justine University Health Center with Dana-Farber Cancer Institution-ALL protocols 87-01 through 2005-01 were eligible...
December 4, 2016: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/27917295/circulating-human-papillomavirus-dna-detected-using-droplet-digital-pcr-in-the-serum-of-patients-diagnosed-with-early-stage-human-papillomavirus-associated-invasive-carcinoma
#4
Emmanuelle Jeannot, Véronique Becette, Maura Campitelli, Marie-Ange Calméjane, Emmanuelle Lappartient, Evelyne Ruff, Stéphanie Saada, Allyson Holmes, Dominique Bellet, Xavier Sastre-Garau
Specific human papillomavirus genotypes are associated with most ano-genital carcinomas and a large subset of oro-pharyngeal carcinomas. Human papillomavirus DNA is thus a tumour marker that can be detected in the blood of patients for clinical monitoring. However, data concerning circulating human papillomavirus DNA in cervical cancer patients has provided little clinical value, due to insufficient sensitivity of the assays used for the detection of small sized tumours. Here we took advantage of the sensitive droplet digital PCR method to identify circulating human papillomavirus DNA in patients with human papillomavirus-associated carcinomas...
October 2016: Journal of Pathology. Clinical Research
https://www.readbyqxmd.com/read/27916791/different-phases-of-breast-cancer-cells-raman-study-of-immortalized-transformed-and-invasive-cells
#5
Deepika Chaturvedi, Sai A Balaji, Vinay Kumar Bn, Freek Ariese, Siva Umapathy, Annapoorni Rangarajan
Breast cancer is the most prevalent cause of cancer-associated death in women the world over, but if detected early it can be treated successfully. Therefore, it is important to diagnose this disease at an early stage and to understand the biochemical changes associated with cellular transformation and cancer progression. Deregulated lipid metabolism has been shown to contribute to cell transformation as well as cancer progression. In this study, we monitored the biomolecular changes associated with the transformation of a normal cell into an invasive cell associated with breast cancer using Raman microspectroscopy...
November 28, 2016: Biosensors
https://www.readbyqxmd.com/read/27916656/micrornas-as-biomarkers-for-early-breast-cancer-diagnosis-prognosis-and-therapy-prediction
#6
REVIEW
Farah J Nassar, Rihab Nasr, Rabih Talhouk
Breast cancer is a major health problem that affects one in eight women worldwide. As such, detecting breast cancer at an early stage anticipates better disease outcome and prolonged patient survival. Extensive research has shown that microRNA (miRNA) are dysregulated at all stages of breast cancer. miRNA are a class of small noncoding RNA molecules that can modulate gene expression and are easily accessible and quantifiable. This review highlights miRNA as diagnostic, prognostic and therapy predictive biomarkers for early breast cancer with an emphasis on the latter...
December 1, 2016: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/27915451/interobserver-agreement-in-detection-of-white-globe-appearance-and-the-ability-of-educational-lectures-to-improve-the-diagnosis-of-gastric-lesions
#7
Hitoshi Omura, Naohiro Yoshida, Tomoyuki Hayashi, Kazuhiro Miwa, Hajime Takatori, Hirokazu Tsuji, Katsuhisa Inamura, Yukihiro Shirota, Hiroyuki Aoyagi, Takaharu Masunaga, Kazuyoshi Katayanagi, Hiroshi Kurumaya, Shuichi Kaneko, Hisashi Doyama
BACKGROUND: White globe appearance (WGA) refers to a small white lesion of globular shape underneath cancerous gastric epithelium that can be clearly visualized by magnifying endoscopy with narrowband imaging (M-NBI). WGA has been reported to be a novel endoscopic marker that is highly specific in differentiating early gastric cancer (GC) from low-grade adenoma, and has a significantly higher prevalence in early GCs than in noncancerous lesions. However, interobserver agreement in detecting WGA and whether training intervention can improve diagnostic accuracy are unknown...
December 3, 2016: Gastric Cancer
https://www.readbyqxmd.com/read/27915342/in-vitro-effects-of-has-2-gene-silencing-on-the-proliferation-and-apoptosis-of-the-mcf-7-human-breast-cancer-cell-line
#8
Hong-Yan Zhang, Feng Liang, Fei Wang, Jian-Wei Zhang, Li Wang, Xi-Gang Kang, Jie Wang, Qi-Liu Duan
BACKGROUND: Breast cancer is characterized by a distinct metastatic pattern involving the regional lymph nodes, bone marrow, lung and liver. This study is aimed to investigate the effects of silencing the HAS-2 gene on the proliferation and apoptosis of human breast cancer cells. METHODS: MCF-7 cells were collected and assigned into control, scrambled siRNA and HAS-2- siRNA groups. After transfection, the morphological changes in the MCF-7 cells were observed using phase contrast microscopy...
December 5, 2016: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/27915339/clinicopathological-features-and-predictive-factors-for-colorectal-cancer-outcome-in-the-kingdom-of-saudi-arabia
#9
Abdurrahman Aldiab, Khayal A Al Khayal, Omar A Al Obaid, Ahmed Alsheikh, Khalid Alsaleh, Mohamed Shahid, Hana Alkharji
BACKGROUND/AIMS: Colorectal cancer (CRC) is the most frequent cancer and a leading cause of cancer death in the Kingdom of Saudi Arabia (KSA). To date, no nationwide screening programs have been adopted. This prospective, longitudinal study investigated factors influencing the outcome of CRC in Saudi patients. METHODS: Patients completed a CRC awareness questionnaire. Colonoscopy, CT/MRI, histopathology of tumor biopsies, and KRAS and BRAF testing were performed...
December 3, 2016: Oncology
https://www.readbyqxmd.com/read/27914264/pattern-based-sensing-of-triple-negative-breast-cancer-cells-with-dual-ligand-cofunctionalized-gold-nanoclusters
#10
Yu Tao, Mingqiang Li, Debra T Auguste
Early detection of breast cancer is a critical component in patient prognosis and establishing effective therapy regimens. Here, we developed an easily accessible yet potentially powerful sensor to detect cancer cell targets by utilizing seven dual-ligand cofunctionalized gold nanoclusters (AuNCs) as both effective cell recognition elements and signal transducers. On the basis of this AuNC multichannel sensor, we have successfully distinguished healthy, cancerous and metastatic human breast cells with excellent reproducibility and high sensitivity...
November 25, 2016: Biomaterials
https://www.readbyqxmd.com/read/27914215/lysine-specific-demethylase-1-lsd1-inhibitor-s2101-induces-autophagy-via-the-akt-mtor-pathway-in-skov3-ovarian-cancer-cells
#11
Shujun Feng, Ye Jin, Mengjiao Cui, Jianhua Zheng
BACKGROUND S2101 is one of the most potent LSD1 inhibitors, which can inhibit ovarian cancer cells viability. This study aimed to detect the mechanism behind the anticancer properties of S2101 in SKOV3 ovarian cells. MATERIAL AND METHODS Cell viability was tested by Cell Counting Kit-8 (CCK-8) assay. Cellular apoptosis and autophagy were evaluated by flow cytometric analysis using Annexin-V/PI staining methods and Green fluorescent protein (GFP)-fused-LC3 (GFP-LC3), respectively. Western blotting was performed for analyzing the Bax, Bcl-2, mTOR, p- mTOR, p62, LC3-I, LC3-II, AKT, and p-AKT protein expression...
December 3, 2016: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/27913999/the-role-of-her2-egfr-and-other-receptor-tyrosine-kinases-in-breast-cancer
#12
Jennifer L Hsu, Mien-Chie Hung
Breast cancer affects approximately 1 in 8 women, and it is estimated that over 246,660 women in the USA will be diagnosed with breast cancer in 2016. Breast cancer mortality has decline over the last two decades due to early detection and improved treatment. Over the last few years, there is mounting evidence to demonstrate the prominent role of receptor tyrosine kinases (RTKs) in tumor initiation and progression, and targeted therapies against the RTKs have been developed, evaluated in clinical trials, and approved for many cancer types, including breast cancer...
December 2, 2016: Cancer Metastasis Reviews
https://www.readbyqxmd.com/read/27913496/discussing-and-managing-hematologic-germ-line-variants
#13
Wendy Kohlmann, Joshua D Schiffman
With the introduction of genomic technologies, more hereditary cancer syndromes with hematologic malignancies are being described. Up to 10% of hematologic malignancies in children and adults may be the result of an underlying inherited genetic risk. Managing these patients with hereditary hematologic malignancies, including familial leukemia, remains a clinical challenge because there is little information about these relatively rare disorders. This article covers some of the issues related to the diagnosis and interpretation of variants associated with hereditary hematologic malignancies, including the importance of an accurate family history in interpreting genetic variants associated with disease...
December 2, 2016: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/27913215/influence-of-surveillance-pet-ct-on-detection-of-early-recurrence-after-definitive-radiation-in-stage-iii-non-small-cell-lung-cancer
#14
Jay P Reddy, Chad Tang, Tina Shih, Bumyang Kim, Charissa Kim, Quynh-Nhu Nguyen, James Welsh, Marcelo Benveniste, Jianjun Zhang, Zhongxing Liao, Daniel R Gomez
BACKGROUND: There are few data to support the use of varying imaging modalities in evaluating recurrence in non-small-cell lung cancer (NSCLC). We compared the efficacy of surveillance positron emission tomography (PET)/computed tomography (CT) versus CT scans of the chest in detecting recurrences after definitive radiation for NSCLC. MATERIALS AND METHODS: We retrospectively analyzed 200 patients treated between 2000 and 2011 who met the inclusion criteria of stage III NSCLC, completion of definitive radiation treatment, and absence of recurrence within the initial 6 months...
November 10, 2016: Clinical Lung Cancer
https://www.readbyqxmd.com/read/27912998/electrodiagnosis-in-cancer-rehabilitation
#15
REVIEW
Christian M Custodio
With numerous advancements in early detection and multimodal therapy, cancer has become a chronic disease. As the number of cancer survivors continues to increase, physiatrists and other neuromuscular disease specialists are more likely to encounter individuals with residual impairments, disabilities, and/or handicaps resulting from cancer or related treatments. The patient with cancer is especially prone to injury directed at the peripheral nervous system at multiple anatomic levels. Electrodiagnosis is an invaluable tool in the evaluation of neuromuscular disorders in this patient population...
February 2017: Physical Medicine and Rehabilitation Clinics of North America
https://www.readbyqxmd.com/read/27911940/isoform-specific-effects-of-wild-type-ras-genes-on-carcinogen-induced-lung-tumorigenesis-in-mice
#16
Jamie D Weyandt, John M Carney, Elizabeth N Pavlisko, MengMeng Xu, Christopher M Counter
The gene KRAS is commonly mutated in lung cancer to encode a constitutively active and oncogenic protein that is well established to initiate and maintain lung tumorigenesis. However, the remaining wild-type KRAS protein, or the other family members HRAS and NRAS, can still be activated in the presence of oncogenic KRAS. Moreover, loss of any one of these three genes has been shown to increase the sensitivity of mice to the carcinogen urethane, which induces Kras mutation-positive early lung lesions. To determine the contribution of progressively disrupting Hras and Nras genes on urethane lung tumorigenesis, mice with different combinations of wild-type and null alleles of Hras and Nras were exposed with urethane and tumor burden was assessed...
2016: PloS One
https://www.readbyqxmd.com/read/27911488/hepatocellular-carcinoma-as-an-emerging-morbidity-in-the-thalassemia-syndromes-a-comprehensive-review
#17
REVIEW
Hassan M Moukhadder, Racha Halawi, Maria Domenica Cappellini, Ali T Taher
The incidence of hepatocellular carcinoma (HCC) in patients with thalassemia is on the rise. The 2 well recognized HCC risk factors in thalassemia are iron overload and chronic viral infection with hepatitis C. The carcinogenicity of iron is related to its induction of oxidative damage, which results in genotoxicity, and to immunologic dysregulation, which attenuates cancer immune surveillance. Chronic hepatitis B and C infections lead to necroinflammation, which can prompt progression to HCC, but an independent role of hepatitis B virus in hepatic carcinogenesis among patients with thalassemia has not been demonstrated...
December 1, 2016: Cancer
https://www.readbyqxmd.com/read/27911459/evaluation-of-bone-metastases-by-18f-choline-pet-ct-in-a-patient-with-castration-resistant-prostate-cancer-treated-with-radium-223
#18
Piera Scalzi, Cinzia Baiocco, Sabrina Genovese, Antonella Trevisan, Zuzana Sirotova, Carlo Poti
BACKGROUND: To date, bone metastases remain the main cause of morbidity and mortality in patients with metastatic castration-resistant prostate cancer (mCRPC). Therefore, the combination of accurate early detection of bony disease and effective treatment of these lesions is crucial in the management of mCRPC patients, but clinical trials specifically designed to test novel approaches are currently lacking. CASE DESCRIPTION: This report describes the case of a 74-year-old male with bone mCRPC and symptomatic and biochemical progression, who underwent radium-223 therapy, following previous treatment failure...
December 2, 2016: Urologia
https://www.readbyqxmd.com/read/27911450/uveal-melanoma-relatively-rare-but-deadly-cancer
#19
REVIEW
S Kaliki, C L Shields
Although it is a relatively rare disease, primarily found in the Caucasian population, uveal melanoma is the most common primary intraocular tumor in adults with a mean age-adjusted incidence of 5.1 cases per million per year. Tumors are located either in iris (4%), ciliary body (6%), or choroid (90%). The host susceptibility factors for uveal melanoma include fair skin, light eye color, inability to tan, ocular or oculodermal melanocytosis, cutaneous or iris or choroidal nevus, and BRCA1-associated protein 1 mutation...
December 2, 2016: Eye
https://www.readbyqxmd.com/read/27910996/speckle-tracking-echocardiography-predicts-early-subclinical-anthracycline-cardiotoxicity-in-patients-with-breast-cancer
#20
Qi Tang, Yan Jiang, Yali Xu, Hongmei Xia
PURPOSE: This study aimed to assess the early changes of left ventricular (LV) and right ventricular (RV) mechanics associated with anthracycline treatment for breast cancer and to determine whether two-dimensional speckle tracking echocardiography (2D-STE) analysis could predict chemotherapy-induced cardiotoxicity. BACKGROUND: Anthracycline generates progressive LV dysfunction associated with a poor prognosis. Early detection of minor change of myocardial mechanics is thus important...
December 2, 2016: Journal of Clinical Ultrasound: JCU
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