Publications by authors named "S V Sitnikova"

Introduction: Immuno-oncology (IO) research relies heavily on murine syngeneic tumor models. However, whilst the average age for a cancer diagnosis is 60 years or older, for practical purposes the majority of preclinical studies are conducted in young mice, despite the fact that ageing has been shown to have a significant impact on the immune response.

Methods: Using aged (60-72 weeks old) mice bearing CT26 tumors, we investigated the impact of ageing on tumor growth as well as the immune composition of the tumor and peripheral lymphoid organs.

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Purpose: To assess the effectiveness of the medicine Ophtalmoferon (eye drops) in the treatment of conjunctivitis of mixed aetiology in patients with first-time tuberculosis (TB) and human immunodeficiency virus (HIV) infection, who have been treated at the Clinical Anti-tuberculosis Hospital No. 4.

Material And Methods: The study included 60 patients (42 men and 18 women with mean age of 41.

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Article Synopsis
  • Immuno-oncology treatments have become standard for many cancers, but only a few patients see lasting benefits, highlighting the need for biomarkers to predict which patients will respond.
  • Researchers developed a new non-terminal biopsy method using fine needle aspiration to sample tumor tissue in mice without sacrificing them, allowing for repeated analysis.
  • This innovative technique enables linking tumor microenvironment biomarkers to treatment outcomes, enhancing preclinical research while minimizing animal use.
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Article Synopsis
  • Combining PD-1 blockade with CTLA4 inhibition can be more effective but often leads to serious side effects, limiting how much CTLA4 treatment can be given.
  • MEDI5752 is a new type of bispecific antibody that selectively targets PD-1 activated T cells and has a unique mechanism that reduces the necessary dose for a therapeutic effect, including rapid degradation of PD-1.
  • Early results show that MEDI5752 can enhance tumor targeting and activity, leading to positive responses in patients with advanced solid tumors, highlighting its potential as an improved cancer immunotherapy strategy.
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Pubertal and prepubertal rats were exposed to single (at doses of 0.1, 1, 10 Gy) or fractionated (at total doses of 1 and 10 Gy) X-ray irradiation. It has been shown that the irradiation is accompanied by the one-way phasic changes of thyroid and genital glands independently of the animals' puberty.

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