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Molecular Imaging and Biology OnlineFirst articles

Open Access 17-05-2024 | Research Article

Prostate Specific Membrane Antigen Expression in a Syngeneic Breast Cancer Mouse Model

Breast cancer (BCa), the second most prominent of all cancers, is estimated to have upwards of 280,000 new cases in the United States and 2.3 million cases worldwide in 2023 [ 1 ]. Medical imaging and diagnosis advances, for example mammography and …

Authors:
Aditi A. Shirke, Jing Wang, Gopolakrishnan Ramamurthy, Arpan Mahanty, Ethan Walker, Lifang Zhang, Abhiram Panigrahi, Xinning Wang, James P. Basilion

29-04-2024 | Research Article

Comparison of the Pharmacokinetics of Gadolinium-Based and Iron Oxide-Based Contrast Agents inside the Lymphatic Structure using Magnetic Resonance Lymphangiography

Magnetic resonance lymphangiography (MRL) has emerged as a valuable imaging technique for lymphatic system imaging, employing the advantageous features of magnetic resonance imaging (MRI) [ 1 – 6 ]. MRL has several advantages, such as having …

Authors:
Yeon Ji Chae, Kyung Won Kim, Mi-hyun Kim, Chul-Woong Woo, Sang-Tae Kim, Ji-wook Kim, Tae-Hyun Shin, Do-Wan Lee, Jeong Kon Kim, Yoonseok Choi, Dong-Cheol Woo

25-04-2024 | Positron Emission Tomography | Research Article

Molecular Imaging of Fibroblast Activation in Rabbit Atherosclerotic Plaques: a Preclinical PET/CT Study

Atherosclerosis is characterized by excessive inflammation and lipid metabolism dysfunction [ 1 ]. The formation of plaques, a classical pathological feature of atherosclerosis, can lead to serious consequences, such as myocardial infarction …

Authors:
Tianxiong Ji, Chunfang Zan, Lina Li, Jianbo Cao, Yao Su, Hongliang Wang, Zhifang Wu, Min-Fu Yang, Kefei Dou, Sijin Li

22-04-2024 | Lymphoma | Special Topic

PDX Models in Theranostic Applications: Generation and Screening for B Cell Lymphoma of Human Origin

This MIB guide briefly summarizes the generation of patient-derived xenografts (PDXs) and highlights the importance of validating PDX models for the presence of B cell lymphoma of human origin before their use in radiotheranostic applications. The …

Authors:
Shayla Shmuel, Sébastien Monette, Dina Ibrahim, Patrícia M.R. Pereira

19-04-2024 | Myocardial Infarction | Research Article

Left Ventricular Remodelling Associated with the Transient Elevated [68Ga]Ga-Pentixafor Activity in the Remote Myocardium Following Acute Myocardial Infarction

Acute myocardial infarction (AMI) is one of the leading causes of morbidity and mortality worldwide [ 1 ]. Escalated inflammatory cascade response is recognized as a major injury mechanism [ 2 , 3 ]. Anti-inflammatory strategies specific to the …

Authors:
Ping Wu, Li Xu, Qi Wang, Xiaofang Ma, Xinzhu Wang, Hongliang Wang, Sheng He, Huibin Ru, Yuting Zhao, Yuxin Xiao, Jingying Zhang, Xinchao Wang, Shaohui An, Marcus Hacker, Xiang Li, Xiaoli Zhang, Yuetao Wang, Minfu Yang, Zhifang Wu, Sijin Li

16-04-2024 | Computed Tomography | Research Article

Comparison of [18F]FDG and [68 Ga]pentixafor PET/CT in Nasopharyngeal Carcinoma

Nasopharyngeal carcinoma (NPC) is an epithelial cancer that occurs in the top and lateral walls of the nasopharyngeal cavity, commonly in the nasopharyngeal mucosa. It is a high-grade malignant tumor in China, and its incidence ranks first among …

Authors:
Mengna Liu, Xi Chen, Haoyuan Ding, Qiaoqiao Shu, Yun Zheng, Yue Chen, Liang Cai

Open Access 09-04-2024 | Research Article

In Vivo Labeling and Detection of Circulating Tumor Cells in Mice Using OTL38

Cancer metastasis is a leading cause of death in humans [ 1 ]. One of the main pathways of metastasis is via the blood circulatory system (“hematogenous metastasis”) wherein tumor cells intravasate into the vasculature from the primary tumor and …

Authors:
Joshua Pace, Jane J. Lee, Madduri Srinivasarao, Shivakrishna Kallepu, Philip S. Low, Mark Niedre

Open Access 03-04-2024 | Ketamine | Correction

Correction: Sub-Chronic Ketamine Administration Increases Dopamine Synthesis Capacity in the Mouse Midbrain: a Preclinical In Vivo PET Study

Authors:
Alice Petty, Anna Garcia-Hidalgo, Els F. Halff, Sridhar Natesan, Dominic J. Withers, Elaine E. Irvine, Michelle Kokkinou, Lisa A. Wells, David R. Bonsall, Sac-Pham Tang, Mattia Veronese, Oliver D. Howes

28-03-2024 | Review Article

Sensing and Imaging Molecular Oxygen in Mammals with Spin Lattice Relaxation Electron Paramagnetic Resonance

Molecular oxygen and its thermodynamic transformation drive nearly all life processes. Quantitative measurement and imaging of oxygen in living systems is of fundamental importance for the study of life processes and their aberrations—disease– …

Author:
Howard J. Halpern

Open Access 22-03-2024 | Melanoma | Research Article

Highly Sensitive Detection of Melanin in Melanomas Using Multi-harmonic Low Frequency EPR

Melanoma incidence is continuously increasing over time with a worldwide total of 325.000 new cases in 2020 [ 1 , 2 ]. Skin melanomas detected at an early stage of development are easily cured by surgical resection with an excellent survival …

Authors:
Mohammad Wehbi, Lionel Mignion, Nicolas Joudiou, Evelyne Harkemanne, Bernard Gallez

Open Access 18-03-2024 | Heart Failure | Research Article

Hybrid Molecular and Functional Micro-CT Imaging Reveals Increased Myocardial Apoptosis Preceding Cardiac Failure in Progeroid Ercc1 Mice

Heart failure has become a global disease epidemic, particularly in the elderly [ 1 , 2 ]. Notwithstanding major advances in treatment, the exact molecular mechanisms underlying the pathogenesis of heart failure remain incompletely understood …

Authors:
Bibi S. van Thiel, Martine de Boer, Yanto Ridwan, Marion G. J. de Kleijnen, Nicole van Vliet, Janette van der Linden, Isa de Beer, Paula M. van Heijningen, Wilbert P. Vermeij, Jan H. J. Hoeijmakers, A. H. Jan Danser, Roland Kanaar, Dirk J. Duncker, Ingrid van der Pluijm, Jeroen Essers

Open Access 13-03-2024 | Positron Emission Tomography | Research Article

Development of New CD38 Targeted Peptides for Cancer Imaging

In multiple myeloma (MM), a cancer of malignant bone marrow plasma cells, cluster of differentiation 38 (CD38) is overexpressed. Thus, CD38 has become a valuable therapeutic target, with CD38-targeted FDA approved antibodies, daratumumab and …

Authors:
Alexander Zheleznyak, Rui Tang, Kathleen Duncan, Brad Manion, Kexian Liang, Baogang Xu, Alexander Vanover, Anchal Ghai, Julie Prior, Stephen Lees, Samuel Achilefu, Kimberly Kelly, Monica Shokeen

Open Access 31-01-2024 | Photodynamic Therapy | Research Article

EPR Monitoring of Oxygenation Levels in Tumors After Chlorophyllide-Based Photodynamic Therapy May Allow for Early Prediction of Treatment Outcome

The tumor microenvironment (TME) is a complex and dynamic system which interacts with tumor cells and defines the effects on tumor development and progression. TME differs significantly from healthy tissue microenvironment and, among others, is …

Authors:
Małgorzata Szczygieł, Barbara Kalinowska, Dariusz Szczygieł, Martyna Krzykawska-Serda, Leszek Fiedor, Aleksandra Anna Murzyn, Justyna Sopel, Zenon Matuszak, Martyna Elas

19-01-2024 | Molecular Imaging | Editorial

EPR Imaging and Application to Biomedical Sciences: On the 80th Anniversary of the Discovery of EPR

Authors:
Mrignayani Kotecha, Mark D Pagel

04-01-2024 | Commentary

Re-examining What the Results of “a Measurement of Oxygen Level in Tissues” Really Mean

Within this special issue, many eminent investigators report on measurements of oxygen (O2) levels in tissues. Given the complexities of spatial and temporal heterogeneities of O2 in tissues and its many sources, this commentary draws attention to …

Authors:
Harold M. Swartz, Ann Barry Flood

Open Access 01-12-2023 | Research Article

Electron Spin Resonance Probe Incorporation into Bioinks Permits Longitudinal Oxygen Imaging of Bioprinted Constructs

Bioprinting is an additive manufacturing technology intended for the engineering of functional human tissues and organs [ 1 , 2 ]. Human-relevant models are created that expand our knowledge of the underlying pathological mechanisms in diseases [ 3 …–

Authors:
Sajad Sarvari, Duncan McGee, Ryan O’Connell, Oxana Tseytlin, Andrey A. Bobko, Mark Tseytlin

09-11-2023 | Research Article

SOX71, A Biocompatible Succinyl Derivative of the Triarylmethyl Radical OX071 for In Vivo Quantitative Oxygen Mapping Using Electron Paramagnetic Resonance

Oxygen is at the center of the oxidative metabolism of aerobic living organisms for their energy production. A healthy human adult consumes ~ 3 mL O 2 kg −1 .min −1 (~ 300 L per day for a 70 kg adult) [ 1 ]. An imbalance between oxygen supply and …

Authors:
Misa A. Shaw, Martin Poncelet, Navin Viswakarma, Gian Paolo Vallerini, Safa Hameed, Teresa D. Gluth, Werner J. Geldenhuys, Emily H. Hoblitzell, Timothy D. Eubank, Boris Epel, Mrignayani Kotecha, Benoit Driesschaert

23-10-2023 | Radiotherapy | Research Article

Toward a Nanoencapsulated EPR Imaging Agent for Clinical Use

Low oxygen (hypoxia) is a hallmark of rapidly growing solid tumors. Hypoxia has been indicated in a number of disease states, including anemia, renal failure, and cardiovascular disease, in addition to its central role in carcinogenesis. The …

Authors:
Rhia M. Martin, Samantha Diaz, Martin Poncelet, Benoit Driesschaert, Eugene Barth, Mrignayani Kotecha, Boris Epel, Gareth R. Eaton, Joshua R. Biller

11-10-2023 | Acute Respiratory Distress-Syndrome | Research Article

Imaging Reactive Oxygen Radicals in Excised Mouse Lung Trapped by Reaction with Hydroxylamine Probes Using 1 GHz Rapid Scan Electron Paramagnetic Resonance

Acute respiratory distress syndrome (ARDS), the most severe form of acute lung injury (ALI), is a principal cause of life-threatening illness in adults and children [ 1 – 3 ]. There is evidence that oxidative stress is critical in pathogenesis of …

Authors:
Hanan B. Elajaili, Lukas B. Woodcock, Tanden A. Hovey, George A. Rinard, Samuel DeGraw, Autumn Canny, Nathan M. Dee, Joseph P. Y. Kao, Eva S. Nozik, Sandra S. Eaton, Gareth R. Eaton

Open Access 02-10-2023 | Research Article

Pulse and CW EPR Oximetry Using Oxychip in Gemcitabine-Treated Murine Pancreatic Tumors

Low tissue oxygenation and hypoxic conditions, that develop during growth of solid tumors, favor the formation of an aggressive tumor phenotype, which has a negative impact on almost all anticancer therapies used to date [ 1 ]. Therefore …

Authors:
Gabriela Dziurman, Agnieszka Drzał, Aleksandra Anna Murzyn, Maciej Mikolaj Kmiec, Martyna Elas, Martyna Krzykawska-Serda