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ISEV2020 Резюме

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Radiometals in Imaging and Therapy: Highlighting Two Decades of Research.

The present article highlights the important progress made in the last two decades in the fields of molecular imaging and radionuclide therapy. Advancements in radiometal-based positron emission tomography, single photon emission computerized tomography, and radionuclide therapy are illustrated in terms of their production routes and ease of radiolabeling. Applications in clinical diagnostic and radionuclide therapy are considered, including human studies under clinical trials; their current stages of clinical translations and findings are summarized. Because the metalloid astatine is used for

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… Zalutsky et al. reported on the application of 211 At-labeled chimeric anti-tenascin mAb 81C6 (71–347 MBq) in recurrent brain tumor patients with an encouraging median survival time of 52 weeks compared to 23 weeks reported for recurrent glioblastoma multiforme patients treated with best care [ 362 ] …

Tumor microenvironment signaling and therapeutics in cancer progression.

Tumor development and metastasis are facilitated by the complex interactions between cancer cells and their microenvironment, which comprises stromal cells and extracellular matrix (ECM) components, among other factors. Stromal cells can adopt new phenotypes to promote tumor cell invasion. A deep understanding of the signaling pathways involved in cell-to-cell and cell-to-ECM interactions is needed to design effective intervention strategies that might interrupt these interactions. In this review, we describe the tumor microenvironment (TME) components and associated therapeutics. We discuss t

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… The ECM components underlying tumor‐promoting activity, such as fibronectin and its splice variants, crosslinked collagen I and tenascin‐C, are induced in the TME [ 37 , 38 ] and interact with integrins to influence tumor cell migration, proliferation and cellular signaling [ 39 ]. …

Metabolic Rewiring in Radiation Oncology Toward Improving the Therapeutic Ratio.

To meet the anabolic demands of the proliferative potential of tumor cells, malignant cells tend to rewire their metabolic pathways. Although different types of malignant cells share this phenomenon, there is a large intracellular variability how these metabolic patterns are altered. Fortunately, differences in metabolic patterns between normal tissue and malignant cells can be exploited to increase the therapeutic ratio. Modulation of cellular metabolism to improve treatment outcome is an emerging field proposing a variety of promising strategies in primary tumor and metastatic lesion treatme

Conditioned Media-Derived Tumor Extracellular Vesicles: Bridging Molecular Insights and Therapeutic Applications in Oncology.

Tumor-derived extracellular vesicles (EVs) are major mediators of oncogenic intercellular communication. However, many studies using conditioned media (CM) recover operationally defined EV- or small EV-enriched fractions rather than biogenesis-proven exosomes. This review synthesizes evidence from CM-derived tumor EV studies and aligns their biological interpretation with current EV nomenclature, characterization, and reporting principles. We first discuss exosome biogenesis as a defined endosomal pathway and then examine how CM collection, serum handling, culture format, oxygen tension, condi

Musculoskeletal Organs-on-Chips: An Emerging Platform for Studying the Nanotechnology-Biology Interface.

Nanotechnology-based approaches are promising for the treatment of musculoskeletal (MSK) disorders, which present significant clinical burdens and challenges, but their clinical translation requires a deep understanding of the complex interplay between nanotechnology and MSK biology. Organ-on-a-chip (OoC) systems have emerged as an innovative and versatile microphysiological platform to replicate the dynamics of tissue microenvironment for studying nanotechnology-biology interactions. This review first covers recent advances and applications of MSK OoCs and their ability to mimic the biophysic

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… 70 ] Small proteoglycans like fibromodulin regulate collagen assembly, whereas larger, hydrophilic counterparts such as aggrecan, counteract compressive forces. [ 70 ] Glycoproteins fulfill diverse roles, such as lubrication, elasticity, and binding latent transforming growth factor‐β (TGF‐β) with tenascin …

Integrated Engineering of CAR-T Cells for Solid Tumours.

Chimeric antigen receptor (CAR) T-cell therapy has achieved durable efficacy in hematologic malignancies but encounters persistent obstacles in solid tumours, including antigen heterogeneity, a suppressive tumour microenvironment (TME), and intrinsic T-cell dysfunction. This review examines the transition from single-axis engineering to an integrated framework that addresses these hurdles in sequence. We delineate how next-generation CAR-T cells are designed for precise spatiotemporal activation through logic-gated and pharmacologically regulatable receptors, while being reinforced by metaboli

Cancer-Associated Fibroblasts: Heterogeneity, Cancer Pathogenesis, and Therapeutic Targets.

Cancer-associated fibroblasts (CAFs) are functionally diverse stromal regulators that orchestrate tumor progression, metastasis, and therapy resistance through dynamic crosstalk within the tumor microenvironment (TME). Recent advances in single-cell multiomics and spatial transcriptomics have identified conserved CAF subtypes with distinct molecular signatures, spatial distributions, and context-dependent roles, highlighting their dual capacity to promote immunosuppression or restrain tumor growth. However, therapeutic strategies struggle to reconcile this functional duality, hindering clinica

Decoding the mechanisms underlying breast cancer brain metastasis: paving the way for precision therapeutics.

The development of brain metastasis is a major cause of significantly reduced survival in breast cancer patients. The initiation and progression of breast cancer brain metastasis (BCBM) involve multiple distinct molecular pathways and reprogramming of the tumor microenvironment (TME). This review systematically summarizes key mechanisms underlying BCBM, including epithelial-mesenchymal transition (EMT), extracellular matrix (ECM) remodeling, and the spatiotemporal dynamics of metabolic reprogramming regulated by critical signaling pathways during brain colonization. In particular, we highlight

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… For example, brain metastases in TNBC frequently form perivascular sheaths, whereas those in HER2BC tend to develop dense spheroids driven by autocrine tenascin-C production. Both of these metastatic patterns involve extensive engagement of astrocytes [ 10 ]. …

Обязательный экзамен по патологии: лишний или необходимый?

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NF-κB in biology and targeted therapy: new insights and translational implications.

NF-κB signaling has been discovered for nearly 40 years. Initially, NF-κB signaling was identified as a pivotal pathway in mediating inflammatory responses. However, with extensive and in-depth investigations, researchers have discovered that its role can be expanded to a variety of signaling mechanisms, biological processes, human diseases, and treatment options. In this review, we first scrutinize the research process of NF-κB signaling, and summarize the composition, activation, and regulatory mechanism of NF-κB signaling. We investigate the interaction of NF-κB signaling with other importa

Устные бесплатные бумажные сессии.

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… Sections were then stained for PSC markers (α-SMA, CD34, desmin, NGFR, SPARC and tenascin C) and HSC markers (α-crystallin B, CD56, NGF, NT-3, synaptophysin and TrkC). PSCs isolated from PDAC and CP tissue samples were evaluated by immunofluorescence. Results: PSCs expressed all tested markers. …

Insight and Recommendations for Fragile X-Premutation-Associated Conditions from the Fifth International Conference on FMR1 Premutation.

The premutation of the fragile X messenger ribonucleoprotein 1 (FMR1) gene is characterized by an expansion of the CGG trinucleotide repeats (55 to 200 CGGs) in the 5' untranslated region and increased levels of FMR1 mRNA. Molecular mechanisms leading to fragile X-premutation-associated conditions (FXPAC) include cotranscriptional R-loop formations, FMR1 mRNA toxicity through both RNA gelation into nuclear foci and sequestration of various CGG-repeat-binding proteins, and the repeat-associated non-AUG (RAN)-initiated translation of potentially toxic proteins. Such molecular mechanisms contribu

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… They observed a notable decrease in the abundance of proteins, such as tenascin-C (TNC), cluster of differentiation 38 (CD38), and phosphoserine aminotransferase 1 (PSAT1), in the FXTAS samples. …

Current advance of nanotechnology in diagnosis and treatment for malignant tumors.

Cancer remains a significant risk to human health. Nanomedicine is a new multidisciplinary field that is garnering a lot of interest and investigation. Nanomedicine shows great potential for cancer diagnosis and treatment. Specifically engineered nanoparticles can be employed as contrast agents in cancer diagnostics to enable high sensitivity and high-resolution tumor detection by imaging examinations. Novel approaches for tumor labeling and detection are also made possible by the use of nanoprobes and nanobiosensors. The achievement of targeted medication delivery in cancer therapy can be acc

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… At the same time, tenascin-C present in the PDAC matrix has the ability to segregate GBI-10 from CPP, and the presence of exposed CPP can facilitate PDAC’s continued penetration and tumor cell endocytosis. … FH is a peptide of small size that has strong affinity for tenascin C (TNC), a protein released by CAF. On the other hand, Navitoclax (NAV) is a tiny molecule with targeted and high affinity properties, capable of selectively inducing apoptosis in CAFs. …

Oral Presentations

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Четвертое Международное совещание ИСЕВ, ISEV2015.

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ISEV2025 Резюме книги.

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Резюме

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Abstracts from the World Congress of Cardiology/Brazilian Congress of Cardiology 2022

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33rd Европейский конгресс патологии - резюме.

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