Detection of the prodrug-activating enzyme carboxypeptidase G2 activity with chemical exchange saturation transfer magnetic resonance.

abstract：:The cyclooxygenase-2 (COX-2) gene plays a role in a wide variety of normal physiologic pathways and is a major target of pharmacologic intervention in a large number of pathophysiologic contexts, including pain, fever, inflammation, and cancer. Expression of the COX-2 gene is induced in a wide range of cells, in respo...

journal_title：Molecular imaging and biology

authors： Nguyen JT,Machado H,Herschman HR

更新日期：2003-07-01 00:00:00

abstract：PURPOSE:We recently reported that high thymidine phosphorylase (TP) expression is accompanied by low tumor thymidine concentration and high 3'-deoxy-3'-[18F]fluorothymidine ([18F]FLT) uptake in four untreated lung cancer xenografts. Here, we investigated whether this relationship also holds true for a broader range of ...

journal_title：Molecular imaging and biology

authors： Schelhaas S,Heinzmann K,Honess DJ,Smith DM,Keen H,Heskamp S,Witney TH,Besret L,Doblas S,Griffiths JR,Aboagye EO,Jacobs AH

更新日期：2018-04-01 00:00:00

abstract：PURPOSE:We examine the feasibility of fluorescent imaging system for sentinel lymph node detection by using functionalized silica nanoparticles. MATERIALS AND METHODS:We developed a functionalized RITC-SiO(2) nanoparticles containing fluorescent dye, C(28)H(31)N(2)O(3)Cl (rhodamine B isothiocyanate) inside, and subseq...

journal_title：Molecular imaging and biology

authors： Jeon YH,Kim YH,Choi K,Piao JY,Quan B,Lee YS,Jeong JM,Chung JK,Lee DS,Lee MC,Lee J,Chung DS,Kang KW

更新日期：2010-04-01 00:00:00

abstract：PURPOSE:Negative surgical margins (NSMs) have favorable prognostic implications in breast tumor resection surgery. Fluorescence image-guided surgery (FIGS) has the ability to delineate surgical margins in real time, potentially improving the completeness of tumor resection. We have recently developed indocyanine green ...

journal_title：Molecular imaging and biology

authors： Wojtynek NE,Olson MT,Bielecki TA,An W,Bhat AM,Band H,Lauer SR,Silva-Lopez E,Mohs AM

更新日期：2020-08-01 00:00:00

abstract：OBJECTIVE:2-Deoxy-2-[F-18]fluoro-D-glucose positron emission tomography (FDG-PET) has an established role in restaging of various cancers, including papillary and undifferentiated thyroid carcinoma, but detection rates are variable in the published literature. We were therefore prompted to review our experience with FD...

journal_title：Molecular imaging and biology

authors： Iagaru A,Masamed R,Singer PA,Conti PS

更新日期：2006-09-01 00:00:00

abstract：PURPOSE:Non-specific extracellular contrast agents have been on the market for more than 15 years. Here, we report on the synthesis of new selective lectin-gadolinium (Gd)-loaded chitosan nanoparticles with a prolonged clearance time and a much higher relaxivity in comparison to other preparations. PROCEDURES:Chitosan...

journal_title：Molecular imaging and biology

authors： Pashkunova-Martic I,Kremser C,Galanski M,Arion V,Debbage P,Jaschke W,Keppler B

更新日期：2011-02-01 00:00:00

abstract：PURPOSE:Manganese ion has been extensively used as a magnetic resonance imaging (MRI) contrast agent in preclinical studies to assess tissue anatomy, function, and neuronal connectivity. Unfortunately, its use in human studies has been limited by cellular toxicity and the need to use a very low dose. The much higher se...

journal_title：Molecular imaging and biology

authors： Saar G,Millo CM,Szajek LP,Bacon J,Herscovitch P,Koretsky AP

更新日期：2018-08-01 00:00:00

abstract：PURPOSE:[(18)F]-FEPPA is a translocator protein (18 kDa, TSPO) positron emission tomography (PET) radiotracer. Radiation dosimetry was estimated from the whole body biodistribution, taking into consideration TSPO rs6971 (Ala147Thr) polymorphism. PROCEDURES:[(18)F]-FEPPA whole body PET scans were acquired for six healt...

journal_title：Molecular imaging and biology

authors： Mizrahi R,Rusjan PM,Vitcu I,Ng A,Wilson AA,Houle S,Bloomfield PM

更新日期：2013-06-01 00:00:00

abstract：INTRODUCTION:We have previously described the labeling of interleukin-2 (IL2) with (123)I and (99m)Tc-N(3)S. Both radiopharmaceuticals were successfully applied in humans to image several inflammatory lesions and autoimmune diseases characterized by tissue infiltrating lymphocytes expressing the IL2 receptor (CD25). Ho...

journal_title：Molecular imaging and biology

authors： D'Alessandria C,di Gialleonardo V,Chianelli M,Mather SJ,de Vries EF,Scopinaro F,Dierck RA,Signore A

更新日期：2010-10-01 00:00:00

abstract：PURPOSE:This study was undertaken to evaluate radiation dosimetry for the prostate-specific membrane antigen targeted [68Ga]Ga-P16-093 radiopharmaceutical, and to initially assess agent performance in positron emission tomography (PET) detection of the site of disease in prostate cancer patients presenting with biochem...

journal_title：Molecular imaging and biology

authors： Green MA,Hutchins GD,Bahler CD,Tann M,Mathias CJ,Territo W,Sims J,Polson H,Alexoff D,Eckelman WC,Kung HF,Fletcher JW

更新日期：2020-06-01 00:00:00

abstract：PURPOSE:This study aims to explore whether 4-(2S,4R)-[18F]fluoroglutamine (4-[18F]FGln) positron emission tomography (PET) imaging is helpful in identifying and monitoring MYCN-amplified neuroblastoma by enhanced glutamine metabolism. PROCEDURES:Cell uptake studies and dynamic small-animal PET studies of 4-[18F]FGln a...

journal_title：Molecular imaging and biology

authors： Li C,Huang S,Guo J,Wang C,Huang Z,Huang R,Liu L,Liang S,Wang H

更新日期：2019-12-01 00:00:00

abstract：PURPOSE:Molecular imaging has the potential to provide quantitative information about specific biological aspects of developing atherosclerotic lesions. This requires the generation of reliable, highly specific plaque tracers. This study reports a new camelid single-domain antibody fragment (sdAb) targeting the Lectin-...

journal_title：Molecular imaging and biology

authors： De Vos J,Mathijs I,Xavier C,Massa S,Wernery U,Bouwens L,Lahoutte T,Muyldermans S,Devoogdt N

更新日期：2014-10-01 00:00:00

abstract：PURPOSE:Synapse loss is a hallmark of Alzheimer's disease (AD) and correlates with cognitive decline. The validation of a noninvasive in vivo imaging approach to quantify synapse would greatly facilitate our understanding of AD pathogenesis and assist drug developments for AD. As animal models of neurodegenerative and ...

journal_title：Molecular imaging and biology

authors： Sadasivam P,Fang XT,Toyonaga T,Lee S,Xu Y,Zheng MQ,Spurrier J,Huang Y,Strittmatter SM,Carson RE,Cai Z

更新日期：2020-11-30 00:00:00

abstract：PURPOSE:The A1AR antagonist 8-cyclopentyl-3-(3-fluoropropyl)-1-propylxanthine ([(18)F]CPFPX) has recently been shown to be a suitable radiotracer for quantitative in vivo imaging of the A1 adenosine receptor (A1AR) in rats. The present study evaluates the reproducibility of non-invasive longitudinal A1AR studies with [...

journal_title：Molecular imaging and biology

authors： Kroll T,Elmenhorst D,Weisshaupt A,Beer S,Bauer A

更新日期：2014-10-01 00:00:00

abstract：:Pharmaceutical research and imaging science are becoming increasingly intertwined. Positron emission tomography (PET) is a molecular imaging technique with particularly broad application in drug discovery and development. At the same time, modern techniques of drug discovery are helping accelerate the development of n...

journal_title：Molecular imaging and biology

authors： Maclean D,Northrop JP,Padgett HC,Walsh JC

更新日期：2003-09-01 00:00:00

abstract：PURPOSE:Magnetic resonance imaging (MRI) with targeted contrast agents provides a promising means for diagnosis and treatment monitoring after cerebrovascular injury. Our goal was to demonstrate the feasibility of this approach to detect the neuroinflammatory biomarker intercellular adhesion molecule-1 (ICAM-1) after s...

journal_title：Molecular imaging and biology

authors： Deddens LH,van Tilborg GA,van der Toorn A,van der Marel K,Paulis LE,van Bloois L,Storm G,Strijkers GJ,Mulder WJ,de Vries HE,Dijkhuizen RM

更新日期：2013-08-01 00:00:00

abstract：PURPOSE:This study describes an imaging strategy based on glow stick chemistry to non-invasively image oxidative stress and reactive oxygen species (ROS) production in living animals. PROCEDURES:Upon stimulation, phagocytes produce toxic levels of ROS to kill engulfed microorganisms. The mitochondrial respiratory chai...

journal_title：Molecular imaging and biology

authors： Tseng JC,Bailey D,Tupper T,Kung AL

更新日期：2014-08-01 00:00:00

abstract：PURPOSE:Some patients with temporal lobe epilepsy (TLE) lack evidence of hippocampal sclerosis (HS) on MRI (HS-ve). We hypothesized that this group would have a different pattern of 2-deoxy-2-[F-18]fluoro-D-glucose (FDG)-positron emission tomography (PET) hypometabolism than typical mesial TLE/HS patients with evidence...

journal_title：Molecular imaging and biology

authors： Carne RP,Cook MJ,MacGregor LR,Kilpatrick CJ,Hicks RJ,O'Brien TJ

更新日期：2007-01-01 00:00:00

abstract：PURPOSE:Using three publicly available small-animal atlases (Sprague-Dawley rat, MOBY, and Digimouse), we built three articulated atlases and present several applications in the scope of molecular imaging. PROCEDURES:Major bones/bone groups were manually segmented for each atlas skeleton. Then, a kinematic model for e...

journal_title：Molecular imaging and biology

authors： Khmelinskii A,Baiker M,Kaijzel EL,Chen J,Reiber JH,Lelieveldt BP

更新日期：2011-10-01 00:00:00

abstract：PURPOSE:[(18)F]Flumazenil, which has the advantage of a longer half-life than [(11)C]flumazenil, is well known for determining of the central benzodiazepine receptor concentrations. However, [(18)F]flumazenil has not been widely used because fluctuating and relatively low yields render automatic production insufficient...

journal_title：Molecular imaging and biology

authors： Moon BS,Park JH,Lee HJ,Lee BC,Kim SE

更新日期：2014-10-01 00:00:00

abstract：PURPOSE:Inflammation plays a key role in the progression of intervertebral disk (IVD) herniation and associated low back pain. However, real-time spatial diagnosis of inflammation associated with acute disk herniation has not been investigated. We sought to detect local neutrophil and macrophage infiltration near disk ...

journal_title：Molecular imaging and biology

authors： Xiao L,Ding M,Zhang Y,Chordia M,Pan D,Shimer A,Shen F,Glover D,Jin L,Li X

更新日期：2017-10-01 00:00:00

abstract：PURPOSE:Ga-68-labeled prostate-specific membrane antigen (PSMA) ligands have been used clinically for positron emission tomography (PET) imaging of prostate cancer. However, F-18-labeled compounds offer several advantages, including the potential for delayed imaging, high starting activities enabling multidose preparat...

journal_title：Molecular imaging and biology

authors： Malik N,Baur B,Winter G,Reske SN,Beer AJ,Solbach C

更新日期：2015-12-01 00:00:00

abstract：:This article is about head and neck tumor MR imaging and is not within the scope of two National Institutes of Health grants (R0ICA166171, ROICA228188) erroneously listed. Thus, the authors would like to remove the reference to the NIH grants R01CA166171 and R01CA228188 in this article. ...

journal_title：Molecular imaging and biology

authors： Yu L,Li C,Luo X,Zhou J,Zhang C,Zhang Y,Chen M

更新日期：2020-02-01 00:00:00

abstract：:2'-deoxy-2'-[(18)F]fluoro-5-ethyl-1-beta-D-arabinofuranosyluracil ([(18)F]FEAU) is a promising radiolabeled nucleoside designed to monitor Herpes Simplex Virus Type 1 thymidine kinase (HSV1-tk) reporter gene expression with positron emission tomography (PET). However, the challenging radiosynthesis creates problems fo...

journal_title：Molecular imaging and biology

authors： Chin FT,Namavari M,Levi J,Subbarayan M,Ray P,Chen X,Gambhir SS

更新日期：2008-03-01 00:00:00

abstract：PURPOSE:Recent researches have demonstrated the value of using 2-deoxy-2-[18F]fluoro-D-glucose ([18F]FDG) positron emission tomography (PET) imaging to reveal the hypothyroidism-related damages in local brain regions. However, the influence of hypothyroidism on the entire brain network is barely studied. This study foc...

journal_title：Molecular imaging and biology

authors： Wang H,Tan Z,Zheng Q,Yu J

更新日期：2018-10-01 00:00:00

abstract：PURPOSE:We evaluated the ability of 2-deoxy-2-(18)F-fluoro-D-glucose (FDG) positron emission tomography (PET) in the early assessment of therapeutic response in patients with small cell lung cancer (SCLC). PROCEDURES:FDG PET studies were performed before (baseline PET), after the first cycle of chemotherapy (early PET...

journal_title：Molecular imaging and biology

authors： Yamamoto Y,Kameyama R,Murota M,Bandoh S,Ishii T,Nishiyama Y

更新日期：2009-11-01 00:00:00

abstract：PURPOSE:To develop a tool to measure the pH at the surfaces of individual cells. PROCEDURES:The SNARF pH-sensitive dye was conjugated to a pHLIP® peptide (pH-Low Insertion Peptide) that binds cellular membranes in tumor spheroids. A beam splitter allows simultaneous recording of two images (580 and 640 nm) by a CCD ca...

journal_title：Molecular imaging and biology

authors： Wei D,Engelman DM,Reshetnyak YK,Andreev OA

更新日期：2019-12-01 00:00:00

abstract：PURPOSE:The purpose of this paper is to validate a rapid and cost-effective ex vivo technique, microCT-based virtual histology, as an alternative to MRI imaging for assessing the therapeutic response in genetically engineered mouse models of cancer. PROCEDURES:All animal procedures were conducted in accordance with th...

journal_title：Molecular imaging and biology

authors： Prajapati SI,Kilcoyne A,Samano AK,Green DP,McCarthy SD,Blackman BA,Brady MM,Zarzabal LA,Tatiparthi AK,Sledz TJ,Duong T,Ohshima-Hosoyama S,Giles FJ,Michalek JE,Rubin BP,Keller C

更新日期：2011-06-01 00:00:00

abstract：PURPOSE:To demonstrate the efficacy of repeated, non-invasive optical imaging of reporter gene expression in monitoring the ability of bi-specific recombinant molecules (i) to "transductionally untarget" adenovirus from Coxsackie and Adenovirus Receptor (CAR)-dependent infection of normal tissue and (ii) to "transducti...

journal_title：Molecular imaging and biology

authors： Liang Q,Yamamoto M,Curiel DT,Herschman HR

更新日期：2004-11-01 00:00:00

abstract：PURPOSE:For targeted imaging and therapy of hepatocellular carcinoma (HCC), we established a chimeric promoter (EIIAPA) containing alpha-fetoprotein (AFP) promoter and hepatitis B virus enhancer II (EIIA) to control downstream expression of reporter and therapeutic genes. PROCEDURES:We combined AFP promoter and EIIA t...

journal_title：Molecular imaging and biology

authors： Hsieh YJ,Chen FD,Ke CC,Wang HE,Huang CJ,Hou MF,Lin KP,Gelovani JG,Liu RS

更新日期：2012-08-01 00:00:00