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Abstract
NONSPECIFIC IMMUNOLOGIC REACTIVITY IN RATS EXPOSED TO HYPOCALORIC DIET DURING PREGNANCY AND THEIR OFFSPRING
Sirenko V.A.
Inflammation as a manifestation of local tissue damage is a basis of a nonspecific component of the systemic immune response. Immune system mainly provides afferentation of information with cytokines which can be tracked to assess immune response. The study involved trials on 30 nonlinear pregnant rats (WAG/G Sto population) and their offspring. The levels of interleukin-4 (IL-4) and interleukin-12 (IL-12) in the blood serum were determined by immune-enzyme method using the sets of reactants of BEST Vector (Novosibirsk, the Russian Federation) and the sets of reactants of (Elisa Kit) Ani Biotech Oy, Orgenium laboratories Business Unit (Finland) according to the instructions attached.
Taking into consideration the disembodied data in the literature, dedicated to studying the issues, related to peculiarities of the immune system ontogenesis and orientation of immune responses, appearing secondary to pathological changes during perinatal and early periods of post-natal development, it is essential to clarify the role of the immune system in the mechanisms of damage of the pancreas structure and function. Assessment of the role of effector cytokines imbalance in immune reactions in rats exposed to hypocaloric diet during pregnancy and in their offspring, in comparison to the control, showed a significant imbalance of regulatory cytokines with a primary increase in IL-12 content, a decrease in IL-4 in rat mothers and 2-month-old infant rats, a decrease in both IL-12 content, and IL-4 in 1-month-old infant rats, demonstrating involvement in pathogenesis of damage of the pancreas and further development of chronic pancreatitis as both specific (Th-1) and nonspecific (macrophageal) cellular link of immunity. The latter is probably associated with an impairment of intercellular interaction, first of all, due to a decrease in functional activity of macrophages – cells of effectors, modulators of an immune response and sources of regulatory cytokines.
Keywords: hypocaloric diet, cytokines, nonspecific immunologic reactivity, pancreas.
СТАН НЕСПЕЦИФІЧНОЇ ІМУНОЛОГІЧНОЇ РЕАКТИВНОСТІ ЩУРІВ, ЯКІ ПЕРЕБУВАЛИ НА ГІПОКАЛОРІЙНІЙ ДІЄТІ ПІД ЧАС ВАГІТНОСТІ, ТА ЇХ ПОТОМСТВА
Сіренко В.А.
Запалення як прояв місцевого пошкодження тканин, є основою неспецифічної компоненти системної імунної відповіді. З боку імунної системи аферентація інформації здійснюється головним чином цитокінами, за допомогою яких можна простежити шлях реалізації імунної відповіді.
Обсяг дослідження включав експерименти на 30 нелінійних вагітних щурах (популяції WAG / G Sto) та їх потомстві. Рівні ІЛ-4 і ІЛ-12 в сироватці крові визначали імуноферментним методом за допомогою наборів реактивів фірми «Вектор Бест» (Новосибірськ, Росія) і наборів реактивів фірми (Elisa Kit) Ani Biotech Oy, Orgenium laboratories Business Unit (Finland) відповідно до доданих інструкцій. При з'ясуванні ролі дисбалансу ефекторних цитокінів крові в реалізації імунних реакцій щурів, що перебували на гипокалорийной дієті під час вагітності, та їх потомства в порівнянні з контролем, встановлено: наявність істотного дисбалансу регуляторних цитокінів з переважним збільшенням вмісту ІЛ-12, зниженням - ІЛ-4 у щурів - матерів і 2-х місячних щурят, зниження як змісту ІЛ-12, так і ІЛ-4 у 1-місячних щурят, що свідчить про залучення в патогенез ушкодження підшлункової залози і розвитку хронічного панкреатиту в подальшому, як специфічного (Тh 1) так і неспецифічного (макрофагального) клітинної ланки імунітету. Останнє, ймовірно, пов'язано з порушенням міжклітинної взаємодії за рахунок, в першу чергу, зниження функціональної активності макрофагів - клітин ефекторів, модуляторів імунної відповіді і джерел регуляторних цитокінів.
Ключові слова: гіпокалорійная дієта, неспецифічна імунологічна реактивність, цитокіни, підшлункова залоза.
СОСТОЯНИЙ НЕСПЕЦИФИЧЕСКОЙ ИММУНОЛОГИЧЕСКОЙ РЕАКТИВНОСТИ КРЫС, НАХОДИВШИХСЯ НА ГИПОКАЛОРИЙНОЙ ДИЕТЕ ВО ВРЕМЯ БЕРЕМЕННОСТИ, И ИХ ПОТОМСТВА
Сиренко В.А.
Воспаление как проявление местного повреждения тканей, является основой неспецифической компоненты системного иммунного ответа. Со стороны иммунной системы афферентация информации осуществляется главным образом цитокинами, с помощью которых можно проследить путь реализации иммунного ответа.
Объем исследования включал эксперименты на 30 нелинейных беременных крысах (популяции WAG / G Sto) и их потомстве. Уровни ИЛ-4 и ИЛ-12 в сыворотке крови определяли иммуноферментным методом с помощью наборов реактивов фирмы «Вектор Бест» (Новосибирск, Россия) и наборов реактивов фирмы (Elisa Kit) Ani Biotech Oy , Orgenium laboratories Business Unit (Finland) в соответствии с прилагаемыми инструкциями. При выяснении роли дисбаланса эффекторных цитокинов крови в реализации имунных реакций у находившихся на гипокалорийной диете во время беременности крыс и у их потомства, по сравнению с контролем, установлено: наличие существенного дисбаланса регуляторних цитокинов с преимущественным увеличением содержания ІЛ-12, снижением - ІЛ-4 у крыс - матерей и 2-х месячных крысят, снижение как содержания ІЛ-12, так и ІЛ-4 у 1- месячных крысят, что свидетельствует о вовлечении в патогенез повреждения поджелудочной железы и развития хронического панкреатита в дальнейшем, как специфического (Тh 1) так и неспецифического (макрофагального) клеточного звена иммунитета. Последнее, вероятно, связано с нарушением межклеточного взаимодействия за счет, в первую очередь, снижения функциональной активности макрофагов - клеток эффекторов, модуляторов иммунного ответа и источников регуляторных цитокинов.
Ключевые слова: гипокалорийная диета, неспецифическая иммунологическая реактивность, цитокины, поджелудочная железа.
Taking into consideration the disembodied data of the literature, dedicated to studying of the problems, connected with the peculiarities of the immune system ontogenesis and the orientation of immune responses, which arise against the background of pathological changes during perinatal and early periods of post-natal development of the organism, the clarification of the role of the immune system in the mechanisms of damage of the pancreas structure and function is important. At clarification of a role of the imbalance of effector cytokines in the blood in realization of immune reactions in the rats who were on a hypocaloric diet during their pregnancy and in their offsprings, in comparison with control, it is established: the existence of an essential imbalance of regulatory cytokines with primary increase of IL-12 content, decrease of IL-4 in rat mothers and 2-month-old infant rats, decrease of both IL-12 content, and IL-4 in 1-month-old infant rats that demonstrates involvement in a pathogenesis of damage of the pancreas and further development of chronic pancreatitis as both specific (Th 1) and nonspecific (macrophagic) cellular link of immunity. The latter is probably connected with the disturbance of intercellular interaction due to, first of all, decrease of functional activity of macrophages – cells of effectors, modulators of an immune response and sources of regulatory cytokines.
Keywords: hypocaloric diet, cytokines, nonspecific immunologic reactivity, pancreas.
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