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Imaging biomarker cancer

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https://www.readbyqxmd.com/read/28447564/pretreatment-late-phase-dce-mri-predicts-outcome-in-locally-advanced-cervix-cancer
#1
Kjersti V Lund, Trude G Simonsen, Gunnar B Kristensen, Einar K Rofstad
BACKGROUND: Dynamic contrast-enhanced magnetic resonance imaging (DCE-MRI) may provide prognostic biomarkers for cervix carcinoma. We have shown previously that the early phase of the signal intensity-versus-time curve (SITC) may have significant prognostic power. The purpose of the present investigation was to explore the prognostic value of the late phase of the SITC. MATERIAL AND METHODS: DCE-MRI data of 80 patients (FIGO stage IB-IVA) treated with concurrent chemoradiotherapy were examined...
May 2017: Acta Oncologica
https://www.readbyqxmd.com/read/28446127/sample-size-and-power-determination-when-limited-preliminary-information-is-available
#2
Christine E McLaren, Wen-Pin Chen, Thomas D O'Sullivan, Daniel L Gillen, Min-Ying Su, Jeon H Chen, Bruce J Tromberg
BACKGROUND: We describe a novel strategy for power and sample size determination developed for studies utilizing investigational technologies with limited available preliminary data, specifically of imaging biomarkers. We evaluated diffuse optical spectroscopic imaging (DOSI), an experimental noninvasive imaging technique that may be capable of assessing changes in mammographic density. Because there is significant evidence that tamoxifen treatment is more effective at reducing breast cancer risk when accompanied by a reduction of breast density, we designed a study to assess the changes from baseline in DOSI imaging biomarkers that may reflect fluctuations in breast density in premenopausal women receiving tamoxifen...
April 26, 2017: BMC Medical Research Methodology
https://www.readbyqxmd.com/read/28438340/applications-of-phlip-technology-for-cancer-imaging-and-therapy
#3
REVIEW
Linden C Wyatt, Jason S Lewis, Oleg A Andreev, Yana K Reshetnyak, Donald M Engelman
Acidity is a biomarker of cancer that is not subject to the blunting clonal selection effects that reduce the efficacy of other biomarker technologies, such as antibody targeting. The pH (low) insertion peptides (pHLIP(®)s) provide new opportunities for targeting acidic tissues. Through the physical mechanism of membrane-associated folding, pHLIPs are triggered by the acidic microenvironment to insert and span the membranes of tumor cells. The pHLIP platform can be applied to imaging acidic tissues, delivering cell-permeable and impermeable molecules to the cytoplasm, and promoting the cellular uptake of nanoparticles...
April 21, 2017: Trends in Biotechnology
https://www.readbyqxmd.com/read/28429332/the-effect-of-post-injection-18-f-fdg-pet-scanning-time-on-texture-analysis-of-peripheral-nerve-sheath-tumours-in-neurofibromatosis-1
#4
Eitan Lovat, Musib Siddique, Vicky Goh, Rosalie E Ferner, Gary J R Cook, Victoria S Warbey
BACKGROUND: Texture features are being increasingly evaluated in (18)F-fluorodeoxyglucose positron emission tomography ((18)F-FDG PET) as adjunctive imaging biomarkers in a number of different cancers. Whilst studies have reported repeatability between scans, there have been no studies that have specifically investigated the effect that the time of acquisition post-injection of (18)F-FDG has on texture features. The aim of this study was to investigate if texture features change between scans performed at different time points post-injection...
December 2017: EJNMMI Research
https://www.readbyqxmd.com/read/28428273/assessing-prostate-cancer-aggressiveness-with-hyperpolarized-dual-agent-3d-dynamic-imaging-of-metabolism-and-perfusion
#5
Hsin-Yu Chen, Peder E Z Larson, Robert A Bok, Cornelius von Morze, Renuka Sriram, Romelyn Delos Santos, Justin Delos Santos, Jeremy W Gordon, Naeim Bahrami, Marcus Ferrone, John Kurhanewicz, Daniel B Vigneron
New magnetic resonance (MR) molecular imaging techniques offer the potential for non-invasive, simultaneous quantification of metabolic and perfusion parameters in tumors. This study applied a 3D dynamic dual-agent hyperpolarized (13)C magnetic resonance spectroscopic imaging (MRSI) approach with (13)C-pyruvate and (13)C-urea to investigate differences in perfusion and metabolism between low and high grade tumors in the TRAMP transgenic mouse model of prostate cancer. Dynamic MR data were corrected for T1 relaxation and RF excitation and modeled to provide quantitative measures of pyruvate to lactate flux (kPL) and urea perfusion (urea AUC) that correlated with TRAMP tumor histologic grade...
April 20, 2017: Cancer Research
https://www.readbyqxmd.com/read/28421481/cancer-as-a-risk-factor-for-cardiovascular-disease
#6
REVIEW
Dana Elena Giza, Gloria Iliescu, Saamir Hassan, Konstantinos Marmagkiolis, Cezar Iliescu
Improvements in early diagnosis and cancer treatments have contributed to high survival rates for many cancer patients. However, these patients often die of cardiovascular disease rather than recurrence of their cancer. Heart disease manifesting after cancer may be due to several mechanisms: shared cardiovascular risks between cancer and cardiovascular disease, inflammatory states associated with malignancies, and/or cardiotoxic effects of cancer therapy. Cancer treatment increases the risk of cardiovascular diseases directly by damaging critical structures of the heart or indirectly by promoting accelerated atherosclerosis...
June 2017: Current Oncology Reports
https://www.readbyqxmd.com/read/28421181/mct1-in-invasive-ductal-carcinoma-monocarboxylate-metabolism-and-aggressive-breast-cancer
#7
Jennifer M Johnson, Paolo Cotzia, Roberto Fratamico, Lekha Mikkilineni, Jason Chen, Daniele Colombo, Mehri Mollaee, Diana Whitaker-Menezes, Marina Domingo-Vidal, Zhao Lin, Tingting Zhan, Madalina Tuluc, Juan Palazzo, Ruth C Birbe, Ubaldo E Martinez-Outschoorn
Introduction: Monocarboxylate transporter 1 (MCT1) is an importer of monocarboxylates such as lactate and pyruvate and a marker of mitochondrial metabolism. MCT1 is highly expressed in a subgroup of cancer cells to allow for catabolite uptake from the tumor microenvironment to support mitochondrial metabolism. We studied the protein expression of MCT1 in a broad group of breast invasive ductal carcinoma specimens to determine its association with breast cancer subtypes and outcomes. Methods: MCT1 expression was evaluated by immunohistochemistry on tissue micro-arrays (TMA) obtained through our tumor bank...
2017: Frontiers in Cell and Developmental Biology
https://www.readbyqxmd.com/read/28420169/ultrasensitive-label-free-sensing-of-il-6-based-on-pase-functionalized-carbon-nanotube-micro-arrays-with-rna-aptamers-as-molecular-recognition-elements
#8
Farhad Khosravi, Seyed Masoud Loeian, Balaji Panchapakesan
This study demonstrates the rapid and label-free detection of Interleukin-6 (IL-6) using carbon nanotube micro-arrays with aptamer as the molecular recognition element. Single wall carbon nanotubes micro-arrays biosensors were manufactured using photo-lithography, metal deposition, and etching techniques. Nanotube biosensors were functionalized with 1-Pyrenebutanoic Acid Succinimidyl Ester (PASE) conjugated IL-6 aptamers. Real time response of the sensor conductance was monitored with increasing concentration of IL-6 (1 pg/mL to 10 ng/mL), exposure to the sensing surface in buffer solution, and clinically relevant spiked blood samples...
April 17, 2017: Biosensors
https://www.readbyqxmd.com/read/28418926/urinary-kallikrein-10-predicts-the-incurability-of-gastric-cancer
#9
Takaya Shimura, Masahide Ebi, Tomonori Yamada, Tamaki Yamada, Takahito Katano, Yu Nojiri, Hiroyasu Iwasaki, Satoshi Nomura, Noriyuki Hayashi, Yoshinori Mori, Hiromi Kataoka, Marsha A Moses, Takashi Joh
The current imaging modalities are not sufficient to identify inoperable tumor factors, including distant metastasis and local invasion. Hence, we conducted this study using urine samples to discover non-invasive biomarkers for the incurability of gastric cancer (GC). Urine samples from 111 GC patients were analyzed in this study. The GC cohort was categorized and analyzed according to disease stage and operability. In the discovery phase, protease protein array analysis identified 3 potential candidate proteins that were elevated in the urine of advanced GC patients compared to early GC patients...
March 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28415671/predictors-and-prognosticators-for-survival-with-yttrium-90-radioembolization-therapy-for-unresectable-colorectal-cancer-liver-metastasis
#10
REVIEW
Meaghan S Dendy, Johannes M Ludwig, Hyun S Kim
This critical review aims to explore predictive and prognostic biomarkers of Yttrium-90 (Y90) radioembolization therapy of colorectal liver metastases. A brief overview of established predictive and prognostic molecular and genetic biomarkers in colorectal cancer therapies will be discussed. A review of the literature on imaging modalities, genetic, metabolic and other molecular markers and the subsequent outcomes in post-Y90 treatment will be presented. How these biomarkers and future biomarker research can inform locoregional treatment decisions in the clinical setting of metastatic colorectal cancer lesions of the liver will be explored...
March 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28415645/peritoneal-carcinomatosis-limits-of-diagnosis-and-the-case-for-liquid-biopsy
#11
REVIEW
James R W McMullen, Matthew Selleck, Nathan R Wall, Maheswari Senthil
Peritoneal Carcinomatosis (PC) is a late stage manifestation of several gastrointestinal malignancies including appendiceal, colorectal, and gastric cancer. In PC, tumors metastasize to and deposit on the peritoneal surface and often leave patients with only palliative treatment options. For colorectal PC, median survival is approximately five months, and palliative systemic therapy is able to extend this to approximately 12 months. However, cytoreductive surgery with hyperthermic intraperitoneal chemotherapy (CRS/HIPEC) with a curative intent is possible in some patients with limited tumor burden...
March 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28415595/18f-fluoride-pet-ct-tumor-burden-quantification-predicts-survival-in-breast-cancer
#12
Ana E Brito, Allan Santos, André Deeke Sasse, Cesar Cabello, Paulo Oliveira, Camila Mosci, Tiago Souza, Barbara Amorim, Mariana Lima, Celso D Ramos, Elba Etchebehere
PURPOSE: In bone-metastatic breast cancer patients, there are no current imaging biomarkers to identify which patients have worst prognosis. The purpose of our study was to investigate if skeletal tumor burden determined by 18F-Fluoride PET/CT correlates with clinical outcomes and may help define prognosis throughout the course of the disease. RESULTS: Bone metastases were present in 49 patients. On multivariable analysis, skeletal tumor burden was significantly and independently associated with overall survival (p < 0...
March 21, 2017: Oncotarget
https://www.readbyqxmd.com/read/28411681/breast-pet-mr-imaging
#13
REVIEW
Amy Melsaether, Linda Moy
Breast and whole-body PET/MR imaging is being used to detect local and metastatic disease and is being investigated for potential imaging biomarkers, which may eventually help personalize treatments and prognoses. This article provides an overview of breast and whole-body PET/MR exam techniques, summarizes PET and MR breast imaging for lesion detection, outlines investigations into multi-parametric breast PET/MR, looks at breast PET/MR in the setting of neo-adjuvant chemotherapy, and reviews the pros and cons of whole-body PET/MR in the setting of metastatic or suspected metastatic breast cancer...
May 2017: Radiologic Clinics of North America
https://www.readbyqxmd.com/read/28410141/fdg-pet-ct-as-theranostic-imaging-in-diagnosis-of-non-small-cell-lung-cancer
#14
Margarita Kirienko, Francesca Gallivanone, Martina Sollini, Giulia Veronesi, Emanuele Voulaz, Lidjia Antunovic, Lorenzo Leonardi, Giorgio Testanera, Isabella Castiglioni, Arturo Chiti
Objective of this work was to evaluate the role of 18F-fluorodeoxyglucose (FDG) positron-emission tomography features as theranostic imaging biomarkers in non-small cell lung cancer. In a retrospective protocol, 31 stage I-III NSCLC patients were enrolled. Patients underwent FDG PET/CT for staging purposes before surgery and were followed for two years after surgery. PET images were quantitatively analyzed. For the primary lesion, metabolic tumour volume, maximum standardized uptake value (SUV), SUV corrected for partial volume effect, total lesion glycolysis, 14 histogram and four shape-and-size features were extracted as PET imaging features...
June 1, 2017: Frontiers in Bioscience (Landmark Edition)
https://www.readbyqxmd.com/read/28406844/the-role-of-he4-a-novel-biomarker-in-predicting-optimal-cytoreduction-after-neoadjuvant-chemotherapy-in-advanced-ovarian-cancer
#15
Francesco Plotti, Giuseppe Scaletta, Stella Capriglione, Roberto Montera, Daniela Luvero, Salvatore Lopez, Alessandra Gatti, Carlo De Cicco Nardone, Corrado Terranova, Roberto Angioli
OBJECTIVES: This study aimed to evaluate serum human epididymis protein 4 (HE4) changes during neoadjuvant chemotherapy (NACT) to establish HE4 predebulking surgery cutoff values and to demonstrate that CA125, HE4, and computed tomography (CT) taken together are better able to predict complete cytoreduction after NACT in advanced ovarian cancer patients. METHODS: From January 2006 to November 2015, patients affected by epithelial advanced ovarian cancer (International Federation of Gynecology and Obstetrics stage III-IV), considered not optimally resectable, were included in this prospective study...
May 2017: International Journal of Gynecological Cancer
https://www.readbyqxmd.com/read/28402963/identification-of-serum-inflammatory-markers-as-classifiers-of-lung-cancer-mortality-for-stage-i-adenocarcinoma
#16
Claire L Meaney, Adriana Zingone, Derek Brown, Yunkai Yu, Liang Cao, Bríd M Ryan
BACKGROUND: Lung cancer is the leading cause of cancer-related mortality worldwide. Low-dose CT (LDCT) imaging is now recommended to screen high-risk lung cancer individuals in the USA. LDCT has resulted in increased detection of stage I lung cancer for which the current standard of care is surgery alone. However, approximately 30% of these patients develop recurrence and therefore are in need of further treatment upon diagnosis. This study aims to explore blood-based inflammatory biomarkers to identify patients at high-risk of mortality for which additional treatment modalities can be offered at time of diagnosis...
April 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/28390191/molecular-imaging-and-oral-cancer-diagnosis-and-therapy
#17
Maryam Keshavarzi, Mansoreh Darijani, Fatemeh Momeni, Pouya Moradi, Hamed Ebrahimnejad, Aria Masoudifar, Hamed Mirzaei
Oral cancer is known as one of relatively common type of cancer worldwide. Despite the easy access of the oral cavity to examination, oral tumors are diagnosed in more advanced stages of the disease. Imaging techniques have been recently emerged as non-invasive approaches to detect molecular and cellular changes in living cells and organisms. These techniques such as computed tomography (CT), magnetic resonance imaging (MRI), and positron emission tomography (PET) could help physicians to screen patients with oral tumors particularly oral squamous cell carcinoma (OSCC) in early stage of the disease...
April 8, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28390098/noninvasive-characterization-of-pancreatic-tumor-mouse-models-using-magnetic-resonance-imaging
#18
Navid Farr, Yak-Nam Wang, Samantha D'Andrea, Kayla M Gravelle, Joo Ha Hwang, Donghoon Lee
The preclinical models of pancreatic adenocarcinoma provide an alternative means for determining the mechanisms of malignancy and possibilities for treatments, thus representing a resource of immense potential for cancer treatment in medicine. To evaluate different tumor models, quantifiable magnetic resonance imaging (MRI) techniques can play a significant role in identifying valuable in vivo biomarkers of tumor characteristics. We characterized three models of pancreatic cancer with multiparametric MRI techniques...
April 7, 2017: Cancer Medicine
https://www.readbyqxmd.com/read/28388582/peptide-based-pet-imaging-of-the-tumor-restricted-il13ra2-biomarker
#19
Kiran Kumar Solingapuram Sai, Anirudh Sattiraju, Frankis G Almaguel, Ang Xuan, Stephanie Rideout, Rahul S Krishnaswamy, JoAnn Zhang, Denise M Herpai, Waldemar Debinski, Akiva Mintz
Peptides that target cancer cell surface receptors are promising platforms to deliver diagnostic and therapeutic payloads specifically to cancer but not normal tissue. IL13RA2 is a tumor-restricted receptor found to be present in several aggressive malignancies, including in the vast majority of high-grade gliomas and malignant melanoma. This receptor has been successfully targeted for diagnostic and therapeutic purposes using modified IL-13 ligand and more recently using a specific peptide, Pep-1L. In the current work, we establish the in vitro and in vivo tumor binding properties of radiolabeled Pep-1L, designed for tumor imaging...
March 24, 2017: Oncotarget
https://www.readbyqxmd.com/read/28386299/highlights-from-the-ecancer-future-horizons-in-lung-cancer-conference-1-2-september-2016-focusing-on-the-future-of-treatment-for-nsclc-and-sclc
#20
Kayleigh Bassiri, Linda Cairns, Gordon McVie, Michael Seckl
The 'Future Horizons in Lung Cancer' meeting was designed to bring leading scientists together alongside clinicians to discuss the most recent advances in lung cancer pathophysiology and treatment. The aim was to take those attending the event on a journey through decades of lung cancer research and understanding, with topics spanning from screening and surgical care to "omics" approaches for drug target and biomarker discovery. There were also several talks describing the role of radiotherapy in lung cancer and advancements in imaging techniques, aiding surgeons in their attempts to resect early lesions...
2017: Ecancermedicalscience
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