Результаты поиска

Doxorubicin-induced neurotoxicity differently affects the hippocampal formation subregions in adult mice.

Doxorubicin (DOX) is an anthracycline used to treat a wide range of tumours. Despite its effectiveness, it is associated with a long range of adverse effects, of which cognitive deficits stand out. The present study aimed to assess the neurologic adverse outcome pathways of two clinically relevant cumulative doses of DOX. Adult male CD-1 mice received biweekly intraperitoneal administrations for 3 weeks until reaching cumulative doses of 9 mg/kg (DOX9) or 18 mg/kg (DOX18). Animals were euthanized one week after the last administration, and biomarkers of oxidative stress and brain metabolism we

Совпадение в полном тексте источника
… The secondary antibody, biotinylated goat IgG anti-rabbit antibody, was used at a 1:400 dilution for 1 h, followed by the incubation with the avidin-biotin peroxidase complex at a 1:800 dilution for 1 h. …

Четвертое Международное совещание ИСЕВ, ISEV2015.

Аннотация не предоставлена источником. Откройте карточку для перехода к публикации.

Passive Monoclonal and Polyclonal Antibody Therapies

Аннотация не предоставлена источником. Откройте карточку для перехода к публикации.

Совпадение в полном тексте источника
… Prolia: Osteoporosis Depatuxizumab mafodotin ABT 414 Chimeric humanized monoclonal antibody IgG1κ CONJUGATED TO AURISTATIN F Glioblastoma Phase III Nov 2019 Children phase III 2020 Intravenous EGFR Derlotuximab biotin Iodine (131 I) derlotuximab biotin Chimeric monoclonal antibody IgG1κ Immunoassays …

The therapeutic potential of colchicine in oncology studies: from structural modification and targeted delivery to clinical management.

Colchicine, a classical microtubule-targeting agent (MTA), exhibits remarkable anti-tumor potential, but its clinical translation is severely restricted by a narrow therapeutic window, systemic off-target toxicity, and complex pharmacokinetic vulnerabilities. Driven by the objective of "toxicity reduction and efficacy enhancement," this review comprehensively summarizes colchicine's multidimensional translational research. First, precise chemical modifications of its tricyclic scaffold and multi-site synergistic strategies are analyzed, exploring structure-activity relationship (SAR) mechanism

Совпадение в полном тексте источника
… Schematic illustration shows peptide nanofibers with biotin groups interacting with lipid nanocapsules containing an oily core and encapsulated colchicine. …

Протеиновая пальмитиоляция в гематологическое облучение: механистические связи с липидным метаболическим перепрограммированием и резистентностью к терапии.

Протеиновая пальмитиолация стала центральным постпереходным механизмом, регулирующим локализацию белков, стабильность и трансдукцию сигналов. В гематологических галактиках эта динамическая модификация находится на пересечении липидного метаболического перепрограммирования, взаимодействия между опухолью и иммуном и терапевтического сопротивления. Здесь мы рассматриваем вопрос о том, как дисрегулированные пальмитоилпереносазы и депальмитолазы изменяют метаболические ферменты, липидные переносчики, липидно-дрофтовые белки, онкогенные сигнальные компоненты и молекулы иммунного регулирования, созда

Совпадение в полном тексте источника
… Current profiling methods (e.g., acyl-biotin exchange) lack the quantitative accuracy and site-specific resolution needed to capture transient, low-abundance palmitoylation events in clinical samples ( 84 – 86 ). …

Нанотехнология в области гематологии: усиление терапевтической эффективности с помощью нанопчастей.

Фон и цели Гематологические заболевания, такие, как лейкемия, лимфома и множественная миелома, вносят значительный вклад в глобальный диагноз рака. Несмотря на прогресс в традиционных методах лечения, таких, как химиотерапия и иммунотерапия, эти методы лечения сталкиваются с ограничениями, включая неконкретную адресность, побочные эффекты и резистентность к лекарствам. Цель этого обзора заключается в изучении потенциала нанотехнологии, в частности наночастиц (НФ), для улучшения терапевтических последствий для этих раковых заболеваний путем расширения поставок наркотиков и снижения токсичности.

Совпадение в полном тексте источника
… Jurczyk M., Jelonek K., Musiał‐Kulik M., Beberok A., Wrześniok D., and Kasperczyk J., “Single‐ Versus Dual‐Targeted Nanoparticles With Folic Acid and Biotin for Anticancer Drug Delivery,” Pharmaceutics 13, no. 3 (March 2021): 326. 34. Sherief L. …

Естественные соединения серы в состоянии психического здоровья и неврологических расстройств: наблюдения и исследования.

За прошедшие годы глобальное бремя неврологических и психических расстройств значительно возросло, в результате чего они стали одной из наиболее серьезных проблем и вызовов для здоровья человека. В рамках новых методов лечения от болезней и болезней все больше внимания уделяется вопросам питания и здравоохранения. Питание серы, главным образом полученное из различных природных источников, играет решающую роль в многочисленных физиологических процессах, включая функцию мозга. В настоящем обзоре содержится обзор химического состава ряда естественных источников таких богатых серой веществ, как из

Совпадение в полном тексте источника
… Many biological applications extensively use sulfur-containing compounds; for example, organosulfur compounds form some vitamins (biotin and thiamine) and amino acids (cysteine, cystine, and methionine) ( 3 ). …

Preclinical development of three novel CARs targeting CD79b for the treatment of non-Hodgkin's lymphoma and characterization of the loss of the target antigen.

BackgroundInfusion of T cells modified with a chimeric antigen receptor (CAR) targeting CD19 has achieved exceptional responses in patients with non-Hodgkin's lymphoma (NHL), which led to the approval of CAR targeting CD19 (CART19) (Axi-cel and Liso-cel) as second line of treatment for adult patients with relapsed/refractory NHL. Unfortunately, 60% of patients still relapse after CART19 due to either a loss of expression of the target antigen (CD19) in the tumor cell, observed in 27% of relapsed patients, a limited CAR-T persistence, and additional mechanisms, including the suppression of the

Совпадение в полном тексте источника
… For the other CARs, a Biotin-SP AffiniPure Goat Anti-Mouse IgG, F (ab')₂ (Jackson ImmunoResearch), and Streptavidin Super Bright 436 Conjugate (Thermo Fisher Scientific) were used. …

Ubiquitylomics: An Emerging Approach for Profiling Protein Ubiquitylation in Skeletal Muscle.

Skeletal muscle is a highly adaptable tissue, finely tuned by various physiological and pathological factors. Whilst the pivotal role of skeletal muscle in overall health is widely acknowledged, unravelling the underlying molecular mechanisms poses ongoing challenges. Protein ubiquitylation, a crucial post-translational modification, is involved in regulating most biological processes. This widespread impact is achieved through a diverse set of enzymes capable of generating structurally and functionally distinct ubiquitin modifications on proteins. The complexity of protein ubiquitylation has

Совпадение в полном тексте источника
… When fused to an E3 ligase or DUB, proximity labelling enzymes typically work by labelling nearby proteins with biotin in live cells. Biotinylated proteins (representing putative substrates) can then be enriched through streptavidin affinity pull‐down and analysed using mass spectrometry. …

Extracellular RNA in melanoma: Advances, challenges, and opportunities.

Melanoma, a malignant mass lesion that originates in melanocytes and has a high rate of malignancy, metastasis, and mortality, is defined by these characteristics. Malignant melanoma is a kind of highly malignant tumor that produces melanin and has a high mortality rate. Its incidence accounts for 1%-3% of all malignant tumors and shows an obvious upward trend. The discovery of biomolecules for the diagnosis and treatment of malignant melanoma has important application value. So far, the exact molecular mechanism of melanoma development relevant signal pathway still remains unclear. According

Совпадение в полном тексте источника
… Using a biotinylated detecting antibody and an anti-biotin antibody-functionalized AuNPs, the researchers successfully implemented an increase in strength of the signal in two stages technique on the FO-SPR device. …

Valproic acid potentiates the anticancer activity of capecitabine in vitro and in vivo in breast cancer models via induction of thymidine phosphorylase expression.

The prognosis of patients with metastatic breast cancer remains poor, and thus novel therapeutic approaches are needed. Capecitabine, which is commonly used for metastatic breast cancer in different settings, is an inactive prodrug that takes advantage of elevated levels of thymidine phosphorylase (TP), a key enzyme that is required for its conversion to 5-fluororacil, in tumors. We demonstrated that histone deacetylase inhibitors (HDACi), including low anticonvulsant dosage of VPA, induced the dose- and time-dependent up-regulation of TP transcript and protein expression in breast cancer cell

Совпадение в полном тексте источника
… Briefly, the sections were incubated with primary antibodies and then with biotin-conjugated secondary antibodies before incubation with specific Streptavidin HRP-conjugated tertiary antibody (Dako). Peroxidase reactivity was visualized using a 3,3′-diaminobenzidine (Abcam). …

Anaplastic thyroid cancer cells reduce CD71 levels to increase iron overload tolerance.

BackgroundFollicular thyroid cancer (FTC) is a prevalent form of differentiated thyroid cancer, whereas anaplastic thyroid cancer (ATC) represents a rare, fast-growing, undifferentiated, and highly aggressive tumor, posing significant challenges for eradication. Ferroptosis, an iron-dependent cell death mechanism driven by the excessive production of reactive oxygen species and subsequent lipid peroxidation, emerges as a promising therapeutic strategy for cancer. It has been observed that many cancer cells exhibit sensitivity to ferroptosis, while some other histotypes appear to be resistant,

Совпадение в полном тексте источника
… The secondary antibody, biotinylated anti-rabbit antibody was applied for 30 min at room temperature, followed by the avidin–biotin–peroxidase complex (Cat#PK-7100, Vector Laboratories) for a further 30 min at room temperature. …

Morphine-3-glucuronide upregulates PD-L1 expression via TLR4 and promotes the immune escape of non-small cell lung cancer.

ObjectivePatients with cancer pain are highly dependent on morphine analgesia, but studies have shown a negative correlation between morphine demand and patient outcomes. The long-term use of morphine may result in abnormally elevated serum morphine-3-glucuronide (M3G) levels. Hence, the effects of M3G on tumor progression are worth studying.MethodsThe effects of M3G on PD-L1 expressions in human non-small cell lung cancer (NSCLC) cell lines were first evaluated. Activation of TLR4 downstream pathways after M3G treatment was then determined by Western blot. The effects of M3G on human cytotoxi

Совпадение в полном тексте источника
… Biotin-labeled antibodies and enzyme-labeled avidin were used for chemical enzymatic visualization to observe locally circular spots formed on the membranes. The number of spots indicated the quantity of positive cells. …

Освещение нанотерапевтики с точными глазами: от оптического к радионаностантике.

Рак по-прежнему относится к числу самых смертоносных заболеваний во всем мире, унося много жизней из-за высоких показателей смертности. Химиотерапия, являющаяся одной из основных форм лечения рака, приносит значительные выгоды, однако ей мешают недостатки, которые ставят под угрозу качество жизни пациентов. Таким образом, разработка альтернатив минимально инвазивному лечению по-прежнему представляет собой серьезную проблему. Среди них наноматериалы, легкая фототерапия, включая фотодинамическую терапию, фототермальную терапию и радиотерапию, являются перспективными вариантами, обеспечивающими т

Совпадение в полном тексте источника
… Encapsulation in biotin-functionalized phospholipid NPs enhanced tumor selectivity and pharmacological properties, enabling near-complete tumor eradication in a mouse model after a single treatment. … Du et al. reported an “on-off” GSH-activable photothermal agent biotin-cystamine-Cys-Lys (Cypate)-CB, which was fabricated by biotin, cypate, 2-cyanobenzothiazole (CBT) and disulfidelinked cysteine (Cys). …

The Confluence of Nanotechnology and Heat Shock Protein 70 in Pioneering Glioblastoma Multiforme Therapy: Forging Pathways Towards Precision Targeting and Transformation.

Heat-shock protein 70 (HSP70) and nanotechnology have emerged as promising avenues in glioblastoma multiforme (GBM) therapy, addressing the critical challenges posed by its aggressive nature and therapeutic resistance. HSP70's dual role in cellular stress response and tumour survival emphasises its potential as both a biomarker and therapeutic target. This review explores the innovative integration of HSP70 with nanotechnology, emphasising advancements in imaging, drug delivery and combination therapies. Nanoparticles, including SPIONs, liposomes, gold nanoparticles and metal-organic framework

Совпадение в полном тексте источника
… The nanoplatform, composed of biotin-tailored IR780 (B780) and quercetin (Qu), overcame the limitations of poor water solubility of both compounds. The B780/Qu nanoparticles (B780/Qu NPs) exhibited active tumour-targeting and pH-responsive drug delivery properties. …

High-dose intravenous vitamin C, a promising multi-targeting agent in the treatment of cancer.

Mounting evidence indicates that vitamin C has the potential to be a potent anti-cancer agent when administered intravenously and in high doses (high-dose IVC). Early phase clinical trials have confirmed safety and indicated efficacy of IVC in eradicating tumour cells of various cancer types. In recent years, the multi-targeting effects of vitamin C were unravelled, demonstrating a role as cancer-specific, pro-oxidative cytotoxic agent, anti-cancer epigenetic regulator and immune modulator, reversing epithelial-to-mesenchymal transition, inhibiting hypoxia and oncogenic kinase signalling and b

Совпадение в полном тексте источника
… phosphorylation in cetuximab and combo-treated cells at 4 h - downregulation of LDHA/LDHB - upregulation of PDHA1/PDHB and respiratory enzymes Perturbation of iron metabolism in VitC and combo-treated cells at 24 h - downregulation of TFRC - upregulation of FT | [ 159 ] Breast | MDA-MB-231 cell line | Biotin … A breast cancer study in MDA-MB-231 cells used a biotin switch approach to enrich proteins containing oxidized thiols, followed by LC-MS/MS, to identify very early (30 min) alterations of the redoxome in cellular response to 10 mM ascorbic acid [ 160 ]. …

Облученные CD19 химерик антигенные рецепторы YTS клетки сохраняют антитуматорную активность и предлагают масштабируемую альтернативу аутологической терапии CAR-T.

Химерическая антигенная рецепторная (CAR) терапия клеток революционизировала лечение таких гематологов, как лимфома и множественная миелома. Однако их успех ограничивается высокими производственными издержками, зависимостью от аутологических Т клеток, переменным качеством продукта и такими опасными для жизни токсичными свойствами, как синдром выброса цитокина. В отличие от этого клетки естественного убийцы (НК) предлагают более безопасную, более гибкую альтернативу, однако их клинический перевод по-прежнему сдерживается сложными протоколами расширения и высокими производственными издержками. З

Совпадение в полном тексте источника
… IFN-γ ELISA IFN-γ secretion was quantified using a sandwich ELISA with a biotin –streptavidin–HRP detection system. …

Apheresis for the treatment of relapses in MS and NMOSD: reduced antibody reactivities, gene expression changes and potential clinical response indicators.

BACKGROUND: High-dose glucocorticoids are the standard treatment for acute relapses in patients with multiple sclerosis (MS) or neuromyelitis optica spectrum disorder (NMOSD). Therapeutic apheresis can be considered for the escalation of relapse therapy, but some patients still do not recover sufficiently. We aimed to explore the effects of apheresis on humoral and cellular immune parameters and to identify features that correlate with beneficial clinical outcomes. METHODS: We studied two cohorts comprising a total of 63 patients with MS or NMOSD who were undergoing relapse therapy with eithe

Совпадение в полном тексте источника
… They were synthesized by the company Miltenyi Biotec with N-terminal acetylation and C-terminal amidation as well as a lysine linker near the N-terminus for the conjugation of biotin to the peptide sequence. …

Preclinical B cell depletion and safety profile of a brain-shuttled crystallizable fragment-silenced CD20 antibody.

BACKGROUND: The blood-brain barrier (BBB) presents a major challenge for the development of monoclonal antibody (mAb)-based therapies for brain disorders. To improve the likelihood of success of such therapies, Roche Brainshuttle technology utilizes a single anti-transferrin receptor 1 (TfR1)-antigen-binding antibody fragment linked to a therapeutic antibody, allowing engagement with TfR1 to transport the therapeutic antibody into the brain via receptor-mediated transcytosis. METHODS: We compared Fc-silenced and Fc-competent variants of the Brainshuttle and the parental (non-shuttled) type II

Совпадение в полном тексте источника
… Biotin conjugated donkey anti‐human IgG (Jackson ImmunoResearch, 709‐066‐149) was used to detect Brainshuttle(8D3) CD20 and the DP47 blood tracer using a horseradish peroxidase DAB Map detection kit (Ventana, 05266360001) and tissues were counterstained with Hematoxylin II (Ventana, 05277965001). …

Navigating the Landscape of Exosomal microRNAs: Charting Their Pivotal Role as Biomarkers in Hematological Malignancies.

Under physiological and pathological conditions, all cells release extracellular vesicles named exosomes, which act as transporters of lipidic, protein, and genetic material from parent to recipient cells. Neoplastic cells can secrete higher number of exosomes to exert pro-tumoral effects such as microenvironmental changes, disease progression, immunosuppression and drug-resistance. This holds true for both organ-specific cancers and hematologic malignancies. One of the most important components of exosomal cargo are microRNAs which can mediate all the abovementioned effects. More specifically