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Oncolytic virus therapy in the elderly: immune frailty, challenges, and perspectives.

With global aging accelerating, cancer incidence among older adults is rapidly increasing. Individuals aged ≥65 years now represent 64% of new cancer cases and 71.3% of cancer-related deaths worldwide. This population exhibits a distinct immune imbalance-driven by tumor-induced immunosuppression, immunosenescence, and inflammaging-which contributes to poor tolerance of standard therapies and suboptimal outcomes with PD-1/PD-L1 inhibitors. As an emerging immunotherapeutic strategy, oncolytic viruses (OVs) selectively infect tumor cells, induce immunogenic cell death (ICD), and activate the cGAS

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… involution | Reversible sex steroid ablation (SSA), thymic regeneration | Human/mouse studies show SSA promotes thymic output and immune reconstitution; reviewed in translational studies | ( 85 , 133 ) Senescent T cell phenotype | Metformin | Human trials show reversal of T cell aging (quantity/function/telomerase …

Cancer Immunotherapy Beyond Checkpoint Blockade: JACC: CardioOncology State-of-the-Art Review.

Avoidance of immune destruction is recognized as one of the hallmarks of cancer development. Although first predicted as a potential antitumor treatment modality more than 50 years ago, the widespread clinical use of cancer immunotherapies has only recently become a reality. Cancer immunotherapy works by reactivation of a stalled pre-existing immune response or by eliciting a de novo immune response, and its toolkit comprises antibodies, vaccines, cytokines, and cell-based therapies. The treatment paradigm in some malignancies has completely changed over the past 10 to 15 years. Massive effort

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… Gemcitabine and capecitabine with or without telomerase peptide vaccine GV1001 in patients with locally advanced or metastatic pancreatic cancer (TeloVac): an open-label, randomised, phase 3 trial Lancet Oncol 15 2014 829 840 24954781 10.1016/S1470-2045(14)70236-0 29 Rosenberg S.A. Packard B.S. …

Nanoparticle-Based RNAi Therapeutics Targeting Cancer Stem Cells: Update and Prospective.

Cancer stem cells (CSCs) are characterized by intrinsic self-renewal and tumorigenic properties, and play important roles in tumor initiation, progression, and resistance to diverse forms of anticancer therapy. Accordingly, targeting signaling pathways that are critical for CSC maintenance and biofunctions, including the Wnt, Notch, Hippo, and Hedgehog signaling cascades, remains a promising therapeutic strategy in multiple cancer types. Furthermore, advances in various cancer omics approaches have largely increased our knowledge of the molecular basis of CSCs, and provided numerous novel targ

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… Delivery of telomerase reverse transcriptase small interfering RNA in complex with positively charged single-walled carbon nanotubes suppresses tumor growth Clin. Cancer Res. 2006 12 4933 4939 10.1158/1078-0432.CCR-05-2831 16914582 176. Wen Z. Feng Y. Hu Y. Lian L. Huang H. Guo L. Chen S. Yang Q. …

Translational horizons in the tumor microenvironment: harnessing breakthroughs and targeting cures.

Chemotherapy and targeted therapy have opened new avenues in clinical oncology. However, there is a lack of response in a substantial percentage of cancer patients and diseases frequently relapse in those who even initially respond. Resistance is, at present, the major barrier to conquering cancer, the most lethal age-related pathology. Identification of mechanisms underlying resistance and development of effective strategies to circumvent treatment pitfalls thereby improving clinical outcomes remain overarching tasks for scientists and clinicians. Growing bodies of data indicate that stromal

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… Coculture with BMSCs increases transcriptional levels of diverse oncogenic pathway molecules in multiple myeloma cells, including the HIF1α, Myc, Akt, Ras, NF-κB, human telomerase reverse transcriptase, and Notch pathways. 23 Second, enhancement of antiapoptotic Bcl-2 family transcripts upon coculture …

MicroRNAs in B-cells: from normal differentiation to treatment of malignancies.

MicroRNAs (miRNAs) are small non-coding RNAs that play important post-transcriptional regulatory roles in a wide range of biological processes. They are fundamental to the normal development of cells, and evidence suggests that the deregulation of specific miRNAs is involved in malignant transformation due to their function as oncogenes or tumor suppressors. We know that miRNAs are involved in the development of normal B-cells and that different B-cell subsets express specific miRNA profiles according to their degree of differentiation. B-cell-derived malignancies contain transcription signatu

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… expression in T-cells Downregulation during erythroid and megakaryocytic differentiation | [ 64 , 66 , 159 ] | Tumor-suppressor in NK/T-cell lymphoma | Increase in apoptosis (especially in the presence of inhibition of miR-21) Decrease in cell proliferation Control of aging and senescence by decreasing telomerase …

Anticancer Molecular Mechanisms of Curcuminoids: An Updated Review of Clinical Trials.

Curcuminoids are bioactive polyphenols, mainly extracted from Curcuma longa (turmeric), and have received much attention due to their pleiotropic anticancer properties. Recent evidence suggests that curcumin and analogs prevent the activation of a variety of signaling pathways, including the MAPK, PI3K/Akt, and NF-kB pathways, resulting in the induction of apoptosis, prevention of proliferation, and suppression. In addition to these processes, curcumin has been shown to enhance the efficacy of the conventional anti-cancer modalities such as radiation and chemotherapy. By suppressing the expres

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… Furthermore, it is also active against the mitochondrial pathway and suppresses COX‐2 and iNOS and reduces ERK and Ras signaling pathways and telomerase activities of cancer cells, particularly the HPV cancer cells (Mishra et al. 2019 ). …

Medicinal Mushrooms: Bioactive Compounds, Use, and Clinical Trials.

Medicinal mushrooms have important health benefits and exhibit a broad spectrum of pharmacological activities, including antiallergic, antibacterial, antifungal, anti-inflammatory, antioxidative, antiviral, cytotoxic, immunomodulating, antidepressive, antihyperlipidemic, antidiabetic, digestive, hepatoprotective, neuroprotective, nephroprotective, osteoprotective, and hypotensive activities. The growing interest in mycotherapy requires a strong commitment from the scientific community to expand clinical trials and to propose supplements of safe origin and genetic purity. Bioactive compounds of

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… Ganoderic acid D inhibited the generation of reactive oxygen species (ROS) and senescence-associated markers, such as β-galactosidase, p21, and p16INK4a, and enhanced telomerase activity through the activation of the PERK/NRF2 signaling pathway. …

Отчет о ДИД 1st Ежегодный Всемирный конгресс биомедицинской инженерии, проводимый в Сиане, Китай, 9-11 ноябрь 2017.

Мы рады представить на этом заседании резюме доклада "ДИД" 1st Всемирный конгресс биомедицинской инженерии 2017которая была проведена в Сиане в Китае [...].

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… He held a research scientist position from 2006 to 2008 in Sierra Sciences LLC; a biotech company (Reno, NV, USA) right after receiving his Ph.D. degree in 2006, where he worked on drug discovery of telomerase-activating compounds for curing aging-associated diseases. …

Immunotherapy targets in pediatric cancer.

Immunotherapy for cancer has shown increasing success and there is ample evidence to expect that progress gleaned in immune targeting of adult cancers can be translated to pediatric oncology. This manuscript reviews principles that guide selection of targets for immunotherapy of cancer, emphasizing the similarities and distinctions between oncogene-inhibition targets and immune targets. It follows with a detailed review of molecules expressed by pediatric tumors that are already under study as immune targets or are good candidates for future studies of immune targeting. Distinctions are made b

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… 2003 ), Ohta et al. ( 2009 ), Nakatsuka et al. ( 2006 ) | | ≈100% Rhabdomyosarcoma ≈50% ESFT | Survivin | All tumors | Fratricide reported by high-affinity survivin-specific CTLs due to T cell survivin expression | Leisegang et al. ( 2010 ), Coughlin et al. ( 2004 , 2006 ), Rapoport et al. ( 2011 ) Telomerase …

Extraglandular Manifestations of Sjögren’s Syndrome (SS): Dermatologic, Arthritic, Endocrine, Pulmonary, Cardiovascular, Gastroenterology, Renal, Urology, and Gynecologic Manifestations

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… Katayama Y Kohriyama K Telomerase activity in peripheral blood mononuclear cells of systemic connective tissue diseases J Rheumatol. 2001 28 2 288 291 11246663 43. …

" Nucleolus in Human Beasons: Ribosome Biogenesis " , " Nucleolar Survey " и " Terrapeutic Opportunities " .

Nucleolus превратился в динамичную и многофункциональную субядерную органилию, интегрирующую рибосомный биогенез с клеточным ростом и сигнализацией стресса. Регулирование нуклеолярной функции все чаще признается в качестве главного движителя человеческих заболеваний, связывающего изменённое рибосомное производство и нуклеолярное наблюдение с раком, рибосомопатиями, синдромами преждевременного старения, нейродегенерацией и иммунными расстройствами. В этом обзоре мы интегрируем структурные, молекулярные и болезнетворные перспективы нуклеолярной биологии для определения того, как рипосомный биоге

Воспаление и иммунная микроокружающая среда в миелопролазерных неоплазмах: патогенные механизмы и терапевтические возможности.

Филадельфия-отрицательная (Ph-отрицательная) миелопролиферативные новообразования (MPNs) включают полицифемию (PV), основную тромбоцитемию (ET) и первичный миэлофиброз (PMF), которые являются клональными гематопоэтическими расстройствами, вызванными соматическими генными мутациями в генах JAK2, CALR или MPL. Мутации активируют путь JAK-STAT и прерывают сигнализацию NF-IB, что приводит к хроническому подстрекательству, вызванному провоспалительными цитокинами и реактивными видами кислорода (ROS). Эта изменившаяся микроокружающая среда вызывает серьезные клинические особенности заболевания, таки

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… The effect of telomerase inhibition on NK cell activity in acute myeloid leukemia Adv. Pharm. Bull. 2021 13 170 10.34172/apb.2023.018 36721807 PMC9871272 89. de Oliveira Costa A.F. Marani L.O. Bianco T.M. Arantes A.Q. Lopes I.A. Pereira-Martins D.A. Palma L.C. Santos Scheucher P. …

Nature-Inspired Strategies in Cancer Management: The Potential of Plant Extracts in Modulating Tumour Biology.

Cancer is a serious group of diseases that is a huge problem on a global scale and is the second most common cause of death. Commonly used therapies do not always lead to the complete elimination of diseased cells or tissues and are also burdened with side effects that reduce the quality of life of patients. Due to these difficulties, new therapeutic approaches are still being sought. In recent years, there has been a return to interest in natural methods of treating various diseases, among which phytochemicals are particularly interesting. This article reviews plant extracts with anticancer p

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… In cancer cells, the enzyme telomerase is activated, which rebuilds telomeres, allowing for a theoretically infinite number of divisions. This is one of the key factors in the immortality of cancers [ 3 ]. …

Current and Emerging Therapies for Targeting the ERK1/2 & PI3K Pathways in Cancer.

The ERK1/2 and PI3K signaling pathways play important roles in cellular proliferation, survival, differentiation, and metabolism. In cancer, these pathways are frequently dysregulated and overactivated, resulting in poor patient prognosis and resistance to treatment. These pathways are activated by receptor tyrosine kinases and send downstream signals to effectors such as RAS, RAF, MEK, AKT, and mTOR. In this review, we highlight the key components of the ERK1/2 and PI3K pathways, the roles they play in tumor progression, and the development of inhibitors and combination therapies designed to

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… Additional processes involved in cell proliferation and differentiation through MEK1/2’s activation of ERK1/2 include the activation of multiple growth transcription factors, the upregulation of telomerase through hTERT, increased expression of Epithelial-to-Mesenchymal proteins, as well as the induction …

Monitoring residues of pesticides in food in Brazil: A multiscale analysis of the main contaminants, dietary cancer risk estimative and mechanisms associated.

IntroductionPesticides pose a risk for cancer development and progression. People are continuously exposed to such substances by several routes, including daily intake of contaminated food and water, especially in countries that are highly pesticide consumers and have very permissive legislation about pesticide contamination as Brazil. This work investigated the relationship among pesticides, food contamination, and dietary cancer risk.MethodsAnalyzed two social reports from the Brazilian Government: the Program for Analysis of Residues of Pesticides in Food (PARA) and The National Program for

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… Further, the shorter length of the telomeres and decreased telomerase activity were associated with increased DNA damage ( 106 ). There was a link between the increased risk of developing non-Hodgkin's lymphoma and human exposure to glyphosate ( 44 , 45 ). …

The roles of Cryptochrome-1: the circadian clock as a control point in cancer therapy.

In this review, we carefully describe the composition and operation of cryptochrome-1 (CRY1). We introduce four related signaling pathways, namely cAMP/PKA/CREB signaling way, HIFα signaling way, NF-κB signaling way, STAT3 signaling way, FOXO signaling pathway and Hedgehog (HH) signaling pathway. We also emphasize the current understanding of the complex roles CRY1 plays in the progression of various solid tumors. We propose that its function represents a novel therapeutic target that could pave the way for new cancer treatments. Additionally, we summarize three emerging therapeutic strategies

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… Interestingly, telomerase activity itself exhibits circadian oscillations in cancers, suggesting potential interplay between DNA repair machinery and clock-regulated genomic stability mechanisms [ 83 , 84 ]. …

Research progress on the anti-cancer mechanisms of edible salty-flavored Chinese materia medica.

Edible salty-flavored Chinese materia medica (ESCM) refers to a category of traditional Chinese medicine (TCM) that also serve as food, characterized by their salty flavor. According to the TCM theory, ESCM can soften and disperse knots, thus potentially offering benefits for cancer prevention and treatment. With cancer remaining a major global health challenge, its primary prevention strategies, especially through dietary modification, are crucial. ESCM have recently garnered substantial attention, due to their remarkable clinical efficacy and low side-effect profile. Researches on ESCM demon

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… Fucoidan induces ROS-dependent apoptosis in 5637 human bladder cancer cells by downregulating telomerase activity via inactivation of the PI3K/Akt signaling pathway. Drug Dev. Res. 78 (1), 37–48. 10.1002/ddr.21367 Han Y. S., Lee J. H., Lee S. H. (2015). …

A new era of cancer immunotherapy: vaccines and miRNAs.

Cancer immunotherapy has transformed the treatment landscape, introducing new strategies to fight various types of cancer. This review examines the important role of vaccines in cancer therapy, focusing on recent advancements such as dendritic cell vaccines, mRNA vaccines, and viral vector-based approaches. The relationship between cancer and the immune system highlights the importance of vaccines as therapeutic tools. The discussion covers tumor cell and dendritic cell vaccines, protein/peptide vaccines, and nucleic acid vaccines (including DNA, RNA, or viral vector-based), with a focus on th

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… Results pending | Multiplex Breast Cancer NCT03591367 | Non-muscle-invasive bladder cancer | Diagnostic Test: RT for telomerase, MicroRNAs-155 | Serum vitamin D correlation with bladder cancer. …

A Comprehensive Review of Modern Cancer Therapies Utilizing Oncolytic Viruses.

Oncolytic viruses (OVs) are gaining traction as advanced tools in cancer therapy. They are distinguished by their ability to destroy malignant cells while sparing normal tissue specifically. In addition to their direct tumor-lysing properties, an essential benefit of oncolytic virus therapy is its capacity to activate both the innate and adaptive immune systems. To enhance these therapeutic actions, many OVs have been genetically engineered to encode immune-modulating factors that reestablish or strengthen antitumor immune responses. Recent studies show that combining OVs with other forms of i

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… Another engineered vector, KH 901, restricts E1A expression to dividing cells by combining the human telomerase reverse transcriptase promoter with an additional E2F-1 regulatory sequence [ 99 ]. This promoter combination broadens adenovirus targeting to a wider range of tumor types. …

PIWI-interacting RNAs (PiRNAs) as emerging biomarkers and therapeutic targets in biliary tract cancers: A comprehensive review.

Cancers affecting the biliary tract, such as gallbladder cancer and cholangiocarcinoma, make up a small percentage of adult gastrointestinal malignancies, but their incidence is on the rise. Due to the lack of dependable molecular biomarkers for diagnosis and prognosis, these cancers are often not detected until later stages and have limited treatment options. Piwi-interacting RNAs (piRNAs) are a type of small noncoding RNA that interacts with Piwi proteins and has been linked to various diseases, especially cancer. Manipulation of piRNA expression has the potential to serve as an important bi

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… These genes play crucial roles in orchestrating cellular events such as telomerase activity, DNA methylation, cell cycle progression, protein ubiquitination, and apoptosis [ 195 ]. …