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Влияние пола животного и количества трансплантируемых опухолевых клеток на развитие лимфосаркомы плисса

Влияние пола животного и количества трансплантируемых опухолевых клеток на развитие лимфосаркомы плисса

Abstract

Невозможность экспериментов на человеке делает необходимым моделирование злокачественных опухолей на животных. В исследование включено 511 белых нелинейных крыс 271 самец и 240 самок массой 165-185 г. Трансплантировалась суспензия клеток лимфосаркомы Плисса (ЛФС) в дозах 2200, 1100, 550, 225, 150 и 1100, 550, 225, 150, 75 самцам и самкам, соответственно, разделенным по 5 групп. Снижение количества трансплантируемых клеток вызывает закономерное уменьшение прививаемости ЛФС, увеличение времени появления опухолевого узла; намечает тенденции к увеличению продолжительности жизни животных и динамики роста опухоли. Введенная крысам взвесь клеток ЛФС в интервале 550-225 кл/0,1 мл вызывает рост опухоли, отличный от 0 и 100 %, что позволяет рассматривать этот интервал как оптимальный для исследования ЛФС. Показано, что минимальными дозами трансплантируемого опухолевого материала, вызывающими рост ЛФС, являются 150 кл/0,1 мл для самцов и 225 кл/0,1 мл для самок, а также что развитие ЛФС зависит от пола животного

Principles of doseand gender-dependence were experimentally studied in rat transplantable lymphoma (RTL) model (Pliss' Lymphosarcoma) in 511 male and female albino rats. RTL cell suspension was transplanted using 5 serially diluted doses (2200 through 75 cells per rat). Decrease of transplanted RTL cell number resulted in corresponding lessening of a successful transplantation rate and an extended latent period before palpable tumor growth debut as well as slowed down RTL growth rate and extended the animal life span. Minimum transplantable doses were demonstrated to be 150 RTL cells per animal in male and 225 in female rats. Doses of 225 550 cells per animal with successful transplantation rate around 30-70% are recommended for future studies of various factors' effects upon tumor growth

Keywords

ЛИМФОСАРКОМА ПЛИССА, ЭКСПЕРИМЕНТАЛЬНАЯ ОНКОЛОГИЯ, ПОЛОВЫЕ РАЗЛИЧИЯ

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    impulse
    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
gold