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Изменчивость генотипов кассавы (Manihot Escelenta [Cranz]) для состава питания в юго-западной Эфиопии.

В ходе исследования было использовано в общей сложности 100 Генотипы кассавы, полученные из МИТА, Нигерия (биофортифицированные генотипы), и собранные на месте земли Эфиопии, сохранены в Центре сельскохозяйственных исследований Джиммы. Таким образом, понимание изменчивости состава рациона питания может служить ориентиром для будущего генетического совершенствования и поддерживать развитие питательных разновидностей маниоки. Цель этого исследования заключалась в оценке изменчивости генотипов кассавы на основе их анализа состава питательных веществ. Анализ различий (АНОВА) выявил весьма значител

Evaluation of PD-L1 Expression and HPV Genotyping in Anal Squamous Cell Carcinoma.

Anal squamous cell carcinoma (SCC) is a rare cancer with increasing incidence. Infection with high-risk human papillomavirus (HPV) subtypes is the major cause for its development. We retrospectively analyzed tumor samples from 54 anal SCC patients for infection with a panel of 32 HPV subtypes in a PCR-based approach, determined the PD-L1 expression status, and correlated the findings with the clinical data and the survival of the patients. Forty-two patients (77.8%) were HPV-positive and harbored at least one carcinogenic HPV subtype. HPV16 was the most frequently detected (n = 39, 72.2%). Fou

Cyclic nucleotide phosphodiesterases as drug targets.

Cyclic nucleotides are synthesized by adenylyl and/or guanylyl cyclase, and downstream of this synthesis, the cyclic nucleotide phosphodiesterase families (PDEs) specifically hydrolyze cyclic nucleotides. PDEs control cyclic adenosine-3',5'monophosphate (cAMP) and cyclic guanosine-3',5'-monophosphate (cGMP) intracellular levels by mediating their quick return to the basal steady state levels. This often takes place in subcellular nanodomains. Thus, PDEs govern short-term protein phosphorylation, long-term protein expression, and even epigenetic mechanisms by modulating cyclic nucleotide levels

Blast Transformation of Chronic Myeloid Leukemia Driven by Acquisition of t(8;21)(q22;q22)/RUNX1::RUNX1T1: Selecting Optimal Treatment Based on Clinical and Molecular Findings.

The advent of tyrosine kinase inhibitors (TKIs) has changed the natural history of chronic myeloid leukemia (CML), and the transformation from the chronic phase to the blast phase (BP) is currently an uncommon situation. However, it is one of the major remaining challenges in the management of this disease, as it is associated with dismal outcomes. We report the case of a 63-year-old woman with a history of CML with poor response to imatinib who progressed to myeloid BP-CML, driven by the acquisition of t(8;21)(q22;q22)/RUNX1::RUNX1T1. The patient received intensive chemotherapy and dasatinib,

Plasma Cell Leukemia Update on Immunophenotype, Molecular Characteristics, and Therapy. The Second Part of Plasma Cell Neoplasms with Spreading in the Blood and Tissues.

Plasma cell leukemia (PCL) is a rare and aggressive form of multiple myeloma (MM), characterized by the presence of malignant plasma cells in the peripheral blood. Until 2021, PCL was defined as plasmacytosis comprising at least 20% of the differential white blood cell count in peripheral blood. (CPCs). PCL was found in 2-4% of newly diagnosed MM cases. It can also develop from a preexisting, usually end-stage, MM, known as secondary PCL (sPCL), which exhibits distinct biological and clinical features. Both primary plasma cell leukemia (pPCL) and secondary plasma cell leukemia (sPCL) are very

Abstracts from the 11th International Conference for Healthcare and Medical Students (ICHAMS) : Virtual. 10-12 February 2022.

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Микроглиатоподобные чувствительности ограничивают ремиилизацию через сенсацию, связанную с фенотипом фенория.

Способность регенерировать миелин в центральной нервной системе снижается с возрастом. Это сокращение особенно заметно в случае множественного склероза (MS), хронического заболевания демиелином. Независимо от того, способствует ли клеточная сенсация, являющаяся отличительной чертой старения, нарушению воспоминаний, до сих пор неизвестно. Здесь мы показываем, что яркие клетки накапливаются в демиелинированных повреждениях после травмы, а лечение сенолитами усиливает ремиэлизацию у молодых и средних мышей, но не пожилых мышей. В юных мышах мы наблюдаем за тем, как корректируются стенограммы, свя

Carcinoembryonic antigen-expressing oncolytic measles virus derivative in recurrent glioblastoma: a phase 1 trial.

Measles virus (MV) vaccine strains have shown significant preclinical antitumor activity against glioblastoma (GBM), the most lethal glioma histology. In this first in human trial (NCT00390299), a carcinoembryonic antigen-expressing oncolytic measles virus derivative (MV-CEA), was administered in recurrent GBM patients either at the resection cavity (Group A), or, intratumorally on day 1, followed by a second dose administered in the resection cavity after tumor resection on day 5 (Group B). A total of 22 patients received study treatment, 9 in Group A and 13 in Group B. Primary endpoint was s

Latest advances in extracellular vesicles: from bench to bedside.

Extracellular vesicles (EVs) are small membraned vesicles and approximately 50-150 nm in diameter. Almost all of the type of cells releases the EVs and circulates in the body fluids. EVs contain multiple functional components, such as mRNAs, microRNAs (miRNAs), DNAs, and proteins, which can be transferred to the recipient cells, resulting in phenotypic changes. Recently, EV research has focused on their potential as a drug delivery vehicle and in targeted therapy against specific molecules. Moreover, some surface proteins are specific to particular diseases, and therefore, EVs also have promis

Unlocking the potential: advancements and applications of gene therapy in severe disorders.

INTRODUCTION: Several severe disorders, such as inherited diseases (e.g. cystic fibrosis and beta thalassemia), genetic diseases (e.g. malignant tumors and diabetes), and infectious diseases (e.g. HIV) are pose significant challenges to human health. BACKGROUND: Over the past few decades, researchers have been working on gene therapies, and currently, terrible dreams have come true. To date, the Food and Drug Administration (FDA) has approved multiple gene therapies such as Kynamro for familial hypercholesterolaemia, Exondys51 for duchenne muscular dystrophy, Spinraza for spinal muscular atro

Epigenetic Dysregulation in Neurodegeneration: The Role of Histone Deacetylases and Emerging Inhibitor Strategies.

Neurodegenerative diseases such as Alzheimer's disease (AD), Parkinson's disease (PD), and Huntington's disease (HD) are characterized by complex pathologies with progressive neurodegeneration, protein misfolding, oxidative stress, and persistent inflammation. Recent findings indicate the pivotal involvement of epigenetic disruption, particularly aberrant histone deacetylase (HDAC) activity, in disease initiation and progression. In the current review, we systematically discuss the mechanistic function of HDACs across all classes (I, IIa, IIb, III, and IV) in neurodegenerative disease mechanis

Dysregulated TRK signalling is a therapeutic target in CYLD defective tumours.

Individuals with germline mutations in the tumour-suppressor gene CYLD are at high risk of developing disfiguring cutaneous appendageal tumours, the defining tumour being the highly organised cylindroma. Here, we analysed CYLD mutant tumour genomes by array comparative genomic hybridisation and gene expression microarray analysis. CYLD mutant tumours were characterised by an absence of copy-number aberrations apart from LOH chromosome 16q, the genomic location of the CYLD gene. Gene expression profiling of CYLD mutant tumours showed dysregulated tropomyosin kinase (TRK) signalling, with overex

Совпадение в полном тексте источника
… Getting it right: designing microarray (and not ‘microawry’) comparative genomic hybridization studies for cancer research. Lab Invest. 2007;87:737–54. doi: 10.1038/labinvest.3700593. Tauriello DVF, Haegebarth A, Kuper I, Edelmann MJ, Henraat M, Canninga-van Dijk MR, et al. …

Immunosenescence and cancer predisposition in pediatric transplant recipients: An emerging paradigm.

Pediatric solid organ and hematopoietic stem cell transplant recipients paradoxically experience accelerated immune aging despite chronological youth, establishing a paradigm with profound implications for cancer risk and long-term outcomes. This comprehensive review synthesizes current evidence demonstrating how transplantation-related factors, anti-thymocyte globulin-mediated T cell depletion, cytomegalovirus reactivation, chronic immunosuppression, and thymic dysfunction, induce premature immunosenescent phenotypes. These processes converge to generate T cell populations exhibiting CD28 los

ESMO/ASCO Recommendations for a Global Curriculum in Medical Oncology Edition 2023.

The European Society for Medical Oncology (ESMO) and ASCO are publishing a new edition of the ESMO/ASCO Global Curriculum (GC) with contributions from more than 150 authors. The purpose of the GC is to provide recommendations for the training of physicians in medical oncology and to establish a set of educational standards for trainees to qualify as medical oncologists. This edition builds on prior ones in 2004, 2010, and 2016 and incorporates scientific advances and input from an ESMO/ASCO survey on GC adoption conducted in 2019, which revealed that GC has been adopted or adapted in as many a

A Phase II Trial of a Histone Deacetylase Inhibitor Panobinostat in Patients With Low-Grade Neuroendocrine Tumors.

Lessons learnedPancreatic neuroendocrine tumors versus carcinoid tumors should be examined separately in clinical trials.Progression-free survival is more clinically relevant as the primary endpoint (rather than response rate) in phase II trials for low-grade neuroendocrine tumors.BackgroundThe most common subtypes of neuroendocrine tumors (NETs) are pancreatic islet cell tumors and carcinoids, which represent only 2% of all gastrointestinal malignancies. Histone deacetylase (HDAC) inhibitors have already been shown to suppress tumor growth and induce apoptosis in various malignancies. In NET

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… Examination of the PNETs and GI carcinoid demonstrated only a few areas of overlap in the accumulation of genetic aberrations, using comparative genomic hybridization, microsatellite analysis, and sequencing techniques [ 19 ]. …

Candidate Regulatory Relationship and Expression Correlation Between miR-33a-5p and ANK3 in Chronic Myeloid Leukemia.

Chronic myeloid leukemia (CML) is a type of bone marrow cancer characterized by the uncontrolled proliferation of myeloid cells. MicroRNAs (miRNAs) are small, non-coding RNA molecules that play a crucial role in the post-transcriptional regulation of gene expression. This study aims to examine the association between miR-33a-5p and Ankyrin 3 (ANK3) in CML and to investigate the regulatory mechanisms of miR-33a-5p in the progression of this disease. mRNA expression profiles were obtained from the GSE100026 dataset within the Gene Expression Omnibus (GEO) repository. Quantitative real-time polym

Advances in the understanding of IgM monoclonal gammopathy of undetermined significance.

Among monoclonal gammopathies of undetermined significance (MGUSs), the immunoglobulin M (IgM) MGUS subtype stands as a unique entity and plays a pivotal role as a pre-malignant condition for multiple B-cell non-Hodgkin lymphomas, most notably Waldenström macroglobulinemia (WM). A relationship between IgM MGUS and WM has been proposed for decades. However, insight regarding the pathobiology of these two conditions improved significantly in recent years, strengthening the hypothesis that WM and IgM MGUS are different stages of the same disease. Therefore, the understanding of IgM MGUS and that

Exploiting the potential of the ubiquitin-proteasome system in overcoming tyrosine kinase inhibitor resistance in chronic myeloid leukemia.

The advent of tyrosine kinase inhibitors (TKI) targeting BCR-ABL has drastically changed the treatment approach of chronic myeloid leukemia (CML), greatly prolonged the life of CML patients, and improved their prognosis. However, TKI resistance is still a major problem with CML patients, reducing the efficacy of treatment and their quality of life. TKI resistance is mainly divided into BCR-ABL-dependent and BCR-ABL-independent resistance. Now, the main clinical strategy addressing TKI resistance is to switch to newly developed TKIs. However, data have shown that these new drugs may cause serio

Combining germline, tissue and liquid biopsy analysis by comprehensive genomic profiling to improve the yield of actionable variants in a real-world cancer cohort.

BACKGROUND: Comprehensive next-generation sequencing is widely used for precision oncology and precision prevention approaches. We aimed to determine the yield of actionable gene variants, the capacity to uncover hereditary predisposition and liquid biopsy appropriateness instead of, or in addition to, tumor tissue analysis, in a real-world cohort of cancer patients, who may benefit the most from comprehensive genomic profiling. METHODS: Seventy-eight matched germline/tumor tissue/liquid biopsy DNA and RNA samples were profiled using the Hereditary Cancer Panel (germline) and the TruSight Onc

Семья гистона деацетилазы в здравии и болезни.

Классические деацетилазы, включая классы I, II и IV, в зависимости от цинка, повсеместно присутствуют у млекопитающих и играют жизненно важную роль в многочисленных биологических процессах. На сегодняшний день eleven Были выявлены члены < < хисттон деацетилаза > > , а именно < < хиттон деацетилаза > > . 1 через гистонную деацетилазу 11. Растущий объем данных подчеркивает важнейшую роль этих гистоновых деацетилазов как в физиологических, так и патологических условиях. В частности, эти гистонные деацетилазы участвуют в различных клеточных процессах, включая воспаление, ме