Π”ΠΈΠΏΠ»ΠΎΠΌ, курсовая, ΠΊΠΎΠ½Ρ‚Ρ€ΠΎΠ»ΡŒΠ½Π°Ρ Ρ€Π°Π±ΠΎΡ‚Π°
ΠŸΠΎΠΌΠΎΡ‰ΡŒ Π² написании студСнчСских Ρ€Π°Π±ΠΎΡ‚

Na, K-АВРаза ΠΊΠ°ΠΊ Ρ€Π΅Ρ†Π΅ΠΏΡ‚ΠΎΡ€ сСрдСчных Π³Π»ΠΈΠΊΠΎΠ·ΠΈΠ΄ΠΎΠ²: идСнтификация сигнального каскада, нСзависимого ΠΎΡ‚ Π²Π½ΡƒΡ‚Ρ€ΠΈΠΊΠ»Π΅Ρ‚ΠΎΡ‡Π½Ρ‹Ρ… ΠΊΠΎΠ½Ρ†Π΅Π½Ρ‚Ρ€Π°Ρ†ΠΈΠΉ Na+ ΠΈ K+

Π”ΠΈΡΡΠ΅Ρ€Ρ‚Π°Ρ†ΠΈΡΠŸΠΎΠΌΠΎΡ‰ΡŒ Π² Π½Π°ΠΏΠΈΡΠ°Π½ΠΈΠΈΠ£Π·Π½Π°Ρ‚ΡŒ ΡΡ‚ΠΎΠΈΠΌΠΎΡΡ‚ΡŒΠΌΠΎΠ΅ΠΉ Ρ€Π°Π±ΠΎΡ‚Ρ‹

Π’ Π΄Π°Π½Π½ΠΎΠΉ Ρ€Π°Π±ΠΎΡ‚Π΅ ΠΌΡ‹ ΠΏΠΎΡΡ‚Π°Ρ€Π°Π»ΠΈΡΡŒ Π²Ρ‹ΡΡΠ½ΠΈΡ‚ΡŒ, ΠΊΠ°ΠΊΠΈΠ΅ ΡΠΈΠ³Π½Π°Π»ΡŒΠ½Ρ‹Π΅ ΠΏΡƒΡ‚ΠΈ ΠΊΠ»Π΅Ρ‚ΠΊΠΈ ΡƒΡ‡Π°ΡΡ‚Π²ΡƒΡŽΡ‚ Π² ΠΏΠ΅Ρ€Π΅Π΄Π°Ρ‡Π΅ Π²Ρ‹Π·Π²Π°Π½Π½ΠΎΠ³ΠΎ ΡƒΠ°Π±Π°ΠΈΠ½ΠΎΠΌ сигнала смСрти. ΠœΡ‹ ΠΏΠΎΠΊΠ°Π·Π°Π»ΠΈ, Ρ‡Ρ‚ΠΎ ΠΈΠ·ΠΌΠ΅Π½Π΅Π½ΠΈΠ΅ Π²Π½ΡƒΡ‚Ρ€ΠΈΠΊΠ»Π΅Ρ‚ΠΎΡ‡Π½ΠΎΠΉ ΠΊΠΎΠ½Ρ†Π΅Π½Ρ‚Ρ€Π°Ρ†ΠΈΠΈ Π‘Π°2+, уровня Π°ΠΊΡ‚ΠΈΠ²Π½Ρ‹Ρ… Ρ„ΠΎΡ€ΠΌ кислорода Π½Π΅ ΠΈΠ³Ρ€Π°Π΅Ρ‚ ΠΊΠ»ΡŽΡ‡Π΅Π²ΠΎΠΉ Ρ€ΠΎΠ»ΠΈ Π² Ρ€Π°Π·Π²ΠΈΡ‚ΠΈΠ΅ ΠΊΠ»Π΅Ρ‚ΠΎΡ‡Π½ΠΎΠΉ смСрти ΠΏΠΎΠ΄ дСйствиСм ΡƒΠ°Π±Π°ΠΈΠ½Π°. Π‘ ΠΈΡΠΏΠΎΠ»ΡŒΠ·ΠΎΠ²Π°Π½ΠΈΠ΅ΠΌ Ρ€Π°Π·Π»ΠΈΡ‡Π½Ρ‹Ρ… Π°ΠΊΡ‚ΠΈΠ²Π°Ρ‚ΠΎΡ€ΠΎΠ² ΠΈ ΠΈΠ½Π³ΠΈΠ±ΠΈΡ‚ΠΎΡ€ΠΎΠ² ΡΠΈΠ³Π½Π°Π»ΡŒΠ½Ρ‹Ρ… ΠΏΡƒΡ‚Π΅ΠΉ ΠΌΡ‹ ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π»ΠΈ, Π½Π΅ ΡƒΡ‡Π°ΡΡ‚Π²ΡƒΡŽΡ‚ Π»ΠΈ… Π§ΠΈΡ‚Π°Ρ‚ΡŒ Π΅Ρ‰Ρ‘ >

Π‘ΠΎΠ΄Π΅Ρ€ΠΆΠ°Π½ΠΈΠ΅

  • 1. Π’Π²Π΅Π΄Π΅Π½ΠΈΠ΅
  • 2. ΠžΠ±Π·ΠΎΡ€ Π»ΠΈΡ‚Π΅Ρ€Π°Ρ‚ΡƒΡ€Ρ‹
    • 2. 1. Ка, К-АВРаза: молСкулярная структура, ΠΌΠ΅Ρ…Π°Π½ΠΈΠ·ΠΌ 8 функционирования ΠΈ Ρ€Π΅Π³ΡƒΠ»ΡΡ†ΠΈΡ
      • 2. 1. 1. Бтруктурная организация β„–, К-АВРазы
      • 2. 1. 2. ΠœΠ΅Ρ…Π°Π½ΠΈΠ·ΠΌ функционирования Π«Π°Π”-АВРазы
      • 2. 1. 3. Π˜Π·ΠΎΡ„Π΅Ρ€ΠΌΠ΅Π½Ρ‚Ρ‹ Π«Π°Π”-АВРазы ΠΈ ΠΈΡ… ΡΠ²ΠΎΠΉΡΡ‚Π²Π°
      • 2. 1. 4. Роль Π¨, К-АВРазы Π² Ρ„ΡƒΠ½ΠΊΡ†ΠΈΠΎΠ½ΠΈΡ€ΠΎΠ²Π°Π½ΠΈΠΈ Ρ€Π°Π·Π»ΠΈΡ‡Π½Ρ‹Ρ… 19 Ρ‚ΠΊΠ°Π½Π΅ΠΉ
      • 2. 1. 5. ΠœΠ΅Ρ…Π°Π½ΠΈΠ·ΠΌΡ‹ рСгуляции β„–, К-АВРазы
        • 2. 1. 5. 1. ЀосфорилированиС β„–, К-АВРазы ΠΏΡ€ΠΎΡ‚Π΅Π½ΠΊΠΈΠ½Π°Π·Π°ΠΌΠΈ
        • 2. 1. 5. 2. ВзаимодСйствиС β„–, К-АВРазы с Π΄Ρ€ΡƒΠ³ΠΈΠΌΠΈ Π±Π΅Π»ΠΊΠ°ΠΌΠΈ
    • 2. 2. ΠšΠ°Ρ€Π΄ΠΈΠΎΡ‚ΠΎΠ½ΠΈΡ‡Π΅ΡΠΊΠΈΠ΅ стСроиды ΠΊΠ°ΠΊ модуляторы 31 активности Π«Π°Π”-АВРазы
      • 2. 2. 1. Участки связывания КВБ Π½Π° ΠΌΠΎΠ»Π΅ΠΊΡƒΠ»Π΅ Π°-ΡΡƒΠ±ΡŠΠ΅Π΄ΠΈΠ½ΠΈΡ†Ρ‹ 32 Π¨, К-АВРазы
      • 2. 2. 2. Π­Π½Π΄ΠΎΠ³Π΅Π½Π½Ρ‹Π΅ КВБ
    • 2. 3. Π‘ΠΈΠ³Π½Π°Π»ΡŒΠ½Ρ‹Π΅ каскады, Π°ΠΊΡ‚ΠΈΠ²ΠΈΡ€ΡƒΠ΅ΠΌΡ‹Π΅ КВБ
      • 2. 3. 1. Π‘ΠΈΠ³Π½Π°Π»ΡŒΠ½Ρ‹ΠΉ каскад, опосрСдованный ΠΏΠΎΠ²Ρ‹ΡˆΠ΅Π½ΠΈΠ΅ΠΌ 38 Π²Π½ΡƒΡ‚Ρ€ΠΈΠΊΠ»Π΅Ρ‚ΠΎΡ‡Π½Ρ‹Ρ… ΠΊΠΎΠ½Ρ†Π΅Π½Ρ‚Ρ€Π°Ρ†ΠΈΠΉ Π‘Π°2+ ΠΈ Π«Π°+
      • 2. 3. 2. Π‘ΠΈΠ³Π½Π°Π»ΡŒΠ½Ρ‹ΠΉ каскад, нСзависящий ΠΎΡ‚ ΠΊΠΎΠ½Ρ†Π΅Π½Ρ‚Ρ€Π°Ρ†ΠΈΠΈ 39 Π²Π½ΡƒΡ‚Ρ€ΠΈΠΊΠ»Π΅Ρ‚ΠΎΡ‡Π½ΠΎΠ³ΠΎ Π‘Π°2+ ΠΈ ΠΎΠΏΠΎΡΡ€Π΅Π΄ΠΎΠ²Π°Π½Π½Ρ‹ΠΉ ΠΈΠ·ΠΌΠ΅Π½Π΅Π½ΠΈΠ΅ΠΌ ΠΊΠΎΠ½Ρ†Π΅Π½Ρ‚Ρ€Π°Ρ†ΠΈΠΈ Π²Π½ΡƒΡ‚Ρ€ΠΈΠΊΠ»Π΅Ρ‚ΠΎΡ‡Π½ΠΎΠ³ΠΎ Ма+
      • 2. 3. 3. Π‘ΠΈΠ³Π½Π°Π»ΡŒΠ½Ρ‹Π΅ каскады, нСзависящиС ΠΎΡ‚ ΡΠΎΠΎΡ‚Π½ΠΎΡˆΠ΅Π½ΠΈΡ 43 Π²Π½ΡƒΡ‚Ρ€ΠΈΠΊΠ»Π΅Ρ‚ΠΎΡ‡Π½Ρ‹Ρ… ΠΊΠΎΠ½Ρ†Π΅Π½Ρ‚Ρ€Π°Ρ†ΠΈΠΉ Π«Π°+ ΠΈ К+
        • 2. 3. 3. 1. УсилСниС ΠΏΡ€ΠΎΠ»ΠΈΡ„Π΅Ρ€Π°Ρ†ΠΈΠΈ ΠΊΠ»Π΅Ρ‚ΠΎΠΊ ΠΏΠΎΠ΄ дСйствиСм 43 Π½ΠΈΠ·ΠΊΠΈΡ… ΠΊΠΎΠ½Ρ†Π΅Π½Ρ‚Ρ€Π°Ρ†ΠΈΠΈ КВБ
        • 2. 3. 3. 2. Π‘ΠΌΠ΅Ρ€Ρ‚ΡŒ ΡΠΏΠΈΡ‚Π΅Π»ΠΈΠ°Π»ΡŒΠ½Ρ‹Ρ… ΠΈ ΡΠ½Π΄ΠΎΡ‚Π΅Π»ΠΈΠ°Π»ΡŒΠ½Ρ‹Ρ… ΠΊΠ»Π΅Ρ‚ΠΎΠΊ ΠΏΠΎΠ΄ 46 дСйствиСм КВБ
  • 3. ΠœΠ°Ρ‚Π΅Ρ€ΠΈΠ°Π»Ρ‹ ΠΈ ΠΌΠ΅Ρ‚ΠΎΠ΄Ρ‹
    • 3. 1. ΠšΡƒΠ»ΡŒΡ‚ΡƒΡ€Ρ‹ ΠΊΠ»Π΅Ρ‚ΠΎΠΊ
      • 3. 1. 1. Π­ΠΏΠΈΡ‚Π΅Π»ΠΈΠ°Π»ΡŒΠ½Ρ‹Π΅ ΠΊΠ»Π΅Ρ‚ΠΊΠΈ Π»ΠΈΠ½ΠΈΠΈ Π‘7-МОБК
      • 3. 1. 2. Π­ΠΏΠΈΡ‚Π΅Π»ΠΈΠ°Π»ΡŒΠ½Ρ‹Π΅ ΠΊΠ»Π΅Ρ‚ΠΊΠΈ Π»ΠΈΠ½ΠΈΠΈ Басо
    • 3. 2. ΠœΠΎΡ€Ρ„ΠΎΠ»ΠΎΠ³ΠΈΡ‡Π΅ΡΠΊΠΈΠ΅ ΠΈ Π±ΠΈΠΎΡ…имичСскиС ΠΌΠ΅Ρ‚ΠΎΠ΄Ρ‹ ΠΎΡ†Π΅Π½ΠΊΠΈ 53 Ρ‚ΠΈΠΏΠ° ΠΊΠ»Π΅Ρ‚ΠΎΡ‡Π½ΠΎΠΉ смСрти
      • 3. 2. 1. Π€Π°Π·ΠΎΠ²ΠΎ-контрастная микроскопия
      • 3. 2. 2. ЀлуорСсцСнтная микроскопия
      • 3. 2. 3. ΠΠ°Ρ€ΡƒΡˆΠ΅Π½ΠΈΠ΅ связи ΠΊΠ»Π΅Ρ‚ΠΎΠΊ с ΠΏΠΎΠ΄Π»ΠΎΠΆΠΊΠΎΠΉ
      • 3. 2. 4. ΠžΠΊΡ€Π°ΡˆΠΈΠ²Π°Π½ΠΈΠ΅ МВВ
      • 3. 2. 5. ΠžΠΏΡ€Π΅Π΄Π΅Π»Π΅Π½ΠΈΠ΅ активности каспазы
    • 3. 3. ΠœΠ΅Ρ‚ΠΎΠ΄Ρ‹ изучСния ΠΈΠΎΠ½Π½ΠΎΠ³ΠΎ гомСостаза ΠΊΠ»Π΅Ρ‚ΠΎΠΊ
      • 3. 3. 1. ΠΠΊΡ‚ΠΈΠ²Π½ΠΎΡΡ‚ΡŒ Π«Π°Π”-насоса
      • 3. 3. 2. БвязываниС [3Н]-ΡƒΠ°Π±Π°ΠΈΠ½Π°
      • 3. 3. 3. Π‘ΠΎΠ΄Π΅Ρ€ΠΆΠ°Π½ΠΈΠ΅ ΠΎΠ±ΠΌΠ΅Π½ΠΈΠ²Π°Π΅ΠΌΠΎΠ³ΠΎ Π²Π½ΡƒΡ‚Ρ€ΠΈΠΊΠ»Π΅Ρ‚ΠΎΡ‡Π½ΠΎΠ³ΠΎ натрия
      • 3. 3. 4. Π˜Π·ΠΌΠ΅Ρ€Π΅Π½ΠΈΠ΅ Π²Π½ΡƒΡ‚Ρ€ΠΈΠΊΠ»Π΅Ρ‚ΠΎΡ‡Π½ΠΎΠ³ΠΎ рН
    • 3. 4. БиохимичСскиС ΠΌΠ΅Ρ‚ΠΎΠ΄Ρ‹ исслСдования
      • 3. 4. 1. Π˜Π·ΠΌΠ΅Ρ€Π΅Π½ΠΈΠ΅ содСрТания НАБН/ЫАОРН ΠΈ Π ΠΠ‘Н2 Π² 59 ΠΊΠ»Π΅Ρ‚ΠΊΠ΅
      • 3. 4. 2. Π˜Π·ΠΌΠ΅Ρ€Π΅Π½ΠΈΠ΅ содСрТания Π°ΠΊΡ‚ΠΈΠ²Π½Ρ‹Ρ… Ρ„ΠΎΡ€ΠΌ кислорода Π² 60 ΠΊΠ»Π΅Ρ‚ΠΊΠ΅
      • 3. 4. 3. ΠžΠΏΡ€Π΅Π΄Π΅Π»Π΅Π½ΠΈΠ΅ синтСза РНК ΠΈ Π±Π΅Π»ΠΊΠ°
      • 3. 4. 4. Π˜ΠΌΠΌΡƒΠ½ΠΎΠΏΡ€Π΅Ρ†ΠΈΠΏΠΈΡ‚Π°Ρ†ΠΈΡ Π±Π΅Π»ΠΊΠΎΠ² с ΠΈΡΠΏΠΎΠ»ΡŒΠ·ΠΎΠ²Π°Π½ΠΈΠ΅ΠΌ 62 Π°Π½Ρ‚ΠΈΡ‚Π΅Π» Π½Π° β„–, К-АВРазу
      • 3. 4. 5. Π˜Π·ΠΌΠ΅Ρ€Π΅Π½ΠΈΠ΅ ΠΊΠΎΠ½Ρ†Π΅Π½Ρ‚Ρ€Π°Ρ†ΠΈΠΈ Π±Π΅Π»ΠΊΠ° ΠΌΠ΅Ρ‚ΠΎΠ΄ΠΎΠΌ Брэдфорда
      • 3. 4. 6. ΠžΠ΄Π½ΠΎΠΌΠ΅Ρ€Π½Ρ‹ΠΉ элСктрофорСз Π² ΠΏΠΎΠ»ΠΈΠ°ΠΊΡ€ΠΈΠ»Π°ΠΌΠΈΠ΄Π½ΠΎΠΌ Π³Π΅Π»Π΅ 64 ΠΏΠΎ ΠΌΠ΅Ρ‚ΠΎΠ΄Ρƒ Лэммли
      • 3. 4. 7. Π”Π²ΡƒΠΌΠ΅Ρ€Π½Ρ‹ΠΉ элСктрофорСз Π² ΠΏΠΎΠ»ΠΈΠ°ΠΊΡ€ΠΈΠ»Π°ΠΌΠΈΠ΄Π½ΠΎΠΌ Π³Π΅Π»Π΅
      • 3. 4. 8. ВСстСрн-Π±Π»ΠΎΡ‚
      • 3. 4. 9. Π˜Π΄Π΅Π½Ρ‚ΠΈΡ„ΠΈΠΊΠ°Ρ†ΠΈΡ Π±Π΅Π»ΠΊΠΎΠ² ΠΌΠ΅Ρ‚ΠΎΠ΄ΠΎΠΌ масс-спСкгромСтрии
    • 3. 5. Π Π΅Π°ΠΊΡ‚ΠΈΠ²Ρ‹
  • 4. Π Π΅Π·ΡƒΠ»ΡŒΡ‚Π°Ρ‚Ρ‹
    • 4. 1. Π‘Ρ€Π°Π²Π½ΠΈΡ‚Π΅Π»ΡŒΠ½Ρ‹ΠΉ Π°Π½Π°Π»ΠΈΠ· дСйствия Ρ€Π°Π·Π»ΠΈΡ‡Π½Ρ‹Ρ… 69 кардиотоничСских стСроидов (КВБ) ΠΊΠ°ΠΊ ΠΈΠ½Π³ΠΈΠ±ΠΈΡ‚ΠΎΡ€ΠΎΠ²
  • Na, K-ATPa3bi ΠΈ ΠΈΠ½Π΄ΡƒΠΊΡ‚ΠΎΡ€ΠΎΠ² нСзависимого ΠΎΡ‚ [Na+]. ΠΈ
  • K+]? ΠΎΠ½ΠΊΠΎΠ·Π° ΡΠΏΠΈΡ‚Π΅Π»ΠΈΠ°Π»ΡŒΠ½Ρ‹Ρ… ΠΊΠ»Π΅Ρ‚ΠΎΠΊ Π»ΠΈΠ½ΠΈΠΈ C7-MDCK
    • 4. 2. Π˜Π΄Π΅Π½Ρ‚ΠΈΡ„ΠΈΠΊΠ°Ρ†ΠΈΡ сигнального каскада, Π²ΠΎΠ²Π»Π΅Ρ‡Π΅Π½Π½ΠΎΠ³ΠΎ Π² Ρ€Π°Π·Π²ΠΈΡ‚ΠΈΠΈ ΠΊΠ»Π΅Ρ‚ΠΎΡ‡Π½ΠΎΠΉ смСрти, Π²Ρ‹Π·Π²Π°Π½Π½ΠΎΠΉ КВБ
      • 4. 2. 1. Роль ΠΊΠ°Π»ΡŒΡ†ΠΈΡ Π² Ρ€Π°Π·Π²ΠΈΡ‚ΠΈΠΈ смСрти ΠΊΠ»Π΅Ρ‚ΠΎΠΊ ΠΏΠΎΠ΄ дСйствиСм 88 ΡƒΠ°Π±Π°ΠΈΠ½Π°
      • 4. 2. 2. Роль Ras, PI3K ΠΈ ΠΏΡ€ΠΎΡ‚Π΅ΠΈΠ½ΠΊΠΈΠ½Π°Π· Π² Ρ€Π°Π·Π²ΠΈΡ‚ΠΈΠΈ смСрти 89 ΠΊΠ»Π΅Ρ‚ΠΎΠΊ, Π²Ρ‹Π·Π²Π°Π½Π½ΠΎΠΉ ΡƒΠ°Π±Π°ΠΈΠ½ΠΎΠΌ
      • 4. 2. 3. Роль Π°ΠΊΡ‚ΠΈΠ²Π½Ρ‹Ρ… Ρ„ΠΎΡ€ΠΌ кислорода (АЀК) Π² ΠΈΠ½Π΄ΡƒΠΊΡ†ΠΈΠΈ 92 смСрти ΠΊΠ»Π΅Ρ‚ΠΎΠΊ ΠΏΠΎΠ΄ дСйствиСм ΡƒΠ°Π±Π°ΠΈΠ½Π°
      • 4. 2. 4. Роль Π±Π΅Π»ΠΊΠΎΠ² цитоскСлСта Π² ΠΈΠ½Π΄ΡƒΠΊΡ†ΠΈΠΈ смСрти ΠΊΠ»Π΅Ρ‚ΠΎΠΊ ΠΏΠΎΠ΄ 95 дСйствиСм ΡƒΠ°Π±Π°ΠΈΠ½Π°
      • 4. 2. 5. УстановлСниС Ρ€ΠΎΠ»ΠΈ ΠΊΠ°Π²Π΅ΠΎΠ» Π² ΠΈΠ½Π΄ΡƒΠΊΡ†ΠΈΠΈ ΠΊΠ»Π΅Ρ‚ΠΎΡ‡Π½ΠΎΠΉ 95 смСрти ΠΏΠΎΠ΄ дСйствиСм ΡƒΠ°Π±Π°ΠΈΠ½Π°
      • 4. 2. 6. Роль экспрСссии Π³Π΅Π½ΠΎΠ² de novo Π² ΠΈΠ½Π΄ΡƒΠΊΡ†ΠΈΠΈ смСрти 97 ΠΊΠ»Π΅Ρ‚ΠΎΠΊ ΠΏΠΎΠ΄ дСйствиСм ΡƒΠ°Π±Π°ΠΈΠ½Π°
      • 4. 2. 7. Роль рН Π² Ρ€Π°Π·Π²ΠΈΡ‚ΠΈΠΈ смСрти ΠΊΠ»Π΅Ρ‚ΠΎΠΊ ΠΏΠΎΠ΄ дСйствиСм 100 ΡƒΠ°Π±Π°ΠΈΠ½Π°
    • 4. 3. ВыявлСниС Π±Π΅Π»ΠΊΠΎΠ², Π²Π·Π°ΠΈΠΌΠΎΠ΄Π΅ΠΉΡΡ‚Π²ΡƒΡŽΡ‰ΠΈΡ… с Na, К- 114 АВРазой
    • 4. 4. Π˜Π΄Π΅Π½Ρ‚ΠΈΡ„ΠΈΠΊΠ°Ρ†ΠΈΡ Π±Π΅Π»ΠΊΠΎΠ², Π²Π·Π°ΠΈΠΌΠΎΠ΄Π΅ΠΉΡΡ‚Π²ΡƒΡŽΡ‰ΠΈΡ… с 145 Π°-ΡΡƒΠ±ΡŠΠ΅Π΄ΠΈΠ½ΠΈΡ†Π΅ΠΉ Na, K-ATPa3bi Π² ΠΎΡ‚Π²Π΅Ρ‚ Π½Π° ΡΠ²ΡΠ·Ρ‹Π²Π°Π½ΠΈΠ΅ ΡƒΠ°Π±Π°ΠΈΠ½Π°
  • 5. ΠžΠ±ΡΡƒΠΆΠ΄Π΅Π½ΠΈΡ Ρ€Π΅Π·ΡƒΠ»ΡŒΡ‚Π°Ρ‚ΠΎΠ²
    • 5. 1. Π‘Ρ€Π°Π²Π½ΠΈΡ‚Π΅Π»ΡŒΠ½Ρ‹ΠΉ Π°Π½Π°Π»ΠΈΠ· дСйствия КВБ
    • 5. 2. Π˜Π΄Π΅Π½Ρ‚ΠΈΡ„ΠΈΠΊΠ°Ρ†ΠΈΡ ^^К^-нСзависимого 155 сигнального каскада, запускаСмого КВБ ΠΈ ΠΏΡ€ΠΈΠ²ΠΎΠ΄ΡΡ‰Π΅Π³ΠΎ ΠΊ ΡΠΌΠ΅Ρ€Ρ‚ΠΈ ΡΠΏΠΈΡ‚Π΅Π»ΠΈΠ°Π»ΡŒΠ½Ρ‹Ρ… ΠΊΠ»Π΅Ρ‚ΠΎΠΊ
      • 5. 2. 1. Роль извСстных ΡΠΈΠ³Π½Π°Π»ΡŒΠ½Ρ‹Ρ… каскадов, запускаСмых 155 КВБ
      • 5. 2. 2. Роль рН 160 5.3. Π˜Π΄Π΅Π½Ρ‚ΠΈΡ„ΠΈΠΊΠ°Ρ†ΠΈΡ Π±Π΅Π»ΠΊΠΎΠ², Π²Π·Π°ΠΈΠΌΠΎΠ΄Π΅ΠΉΡΡ‚Π²ΡƒΡŽΡ‰ΠΈΡ… с 162 Π°-ΡΡƒΠ±ΡŠΠ΅Π΄ΠΈΠ½ΠΈΡ†Π΅ΠΉ Na, K-ATPa3b

Na, K-АВРаза ΠΊΠ°ΠΊ Ρ€Π΅Ρ†Π΅ΠΏΡ‚ΠΎΡ€ сСрдСчных Π³Π»ΠΈΠΊΠΎΠ·ΠΈΠ΄ΠΎΠ²: идСнтификация сигнального каскада, нСзависимого ΠΎΡ‚ Π²Π½ΡƒΡ‚Ρ€ΠΈΠΊΠ»Π΅Ρ‚ΠΎΡ‡Π½Ρ‹Ρ… ΠΊΠΎΠ½Ρ†Π΅Π½Ρ‚Ρ€Π°Ρ†ΠΈΠΉ Na+ ΠΈ K+ (Ρ€Π΅Ρ„Π΅Ρ€Π°Ρ‚, курсовая, Π΄ΠΈΠΏΠ»ΠΎΠΌ, ΠΊΠΎΠ½Ρ‚Ρ€ΠΎΠ»ΡŒΠ½Π°Ρ)

Na, K-ATPa3a (β„–, К-активируСмая, Mg-зависимая адСнозинтрифосфогидролаза, КЀ 3.6.1.3) Π±Ρ‹Π»Π° Π²ΠΏΠ΅Ρ€Π²Ρ‹Π΅ описана ЙСнсом Π‘ΠΊΠΎΡƒ Π² 1957 Π³ΠΎΠ΄Ρƒ (Skou, 1957). Π€Π΅Ρ€ΠΌΠ΅Π½Ρ‚ присутствуСт Π² ΠΏΠ»Π°Π·ΠΌΠ°Ρ‚ичСской ΠΌΠ΅ΠΌΠ±Ρ€Π°Π½Π΅ всСх ΠΊΠ»Π΅Ρ‚ΠΎΠΊ ΠΆΠΈΠ²ΠΎΡ‚Π½Ρ‹Ρ… ΠΈ ΠΎΡΡƒΡ‰Π΅ΡΡ‚вляСт элСктрогСнный ΠΎΠ±ΠΌΠ΅Π½ Ρ‚Ρ€Π΅Ρ… ΠΈΠΎΠ½ΠΎΠ² Π²Π½ΡƒΡ‚Ρ€ΠΈΠΊΠ»Π΅Ρ‚ΠΎΡ‡Π½ΠΎΠ³ΠΎ Na+ Π½Π° Π΄Π²Π° ΠΈΠΎΠ½Π° Π²Π½Π΅ΠΊΠ»Π΅Ρ‚ΠΎΡ‡Π½ΠΎΠ³ΠΎ К+, ΠΈΡΠΏΠΎΠ»ΡŒΠ·ΡƒΡ для транспорта ΠΈΠΎΠ½ΠΎΠ² ΡΠ½Π΅Ρ€Π³ΠΈΡŽ, Π²Ρ‹ΡΠ²ΠΎΠ±ΠΎΠΆΠ΄Π°ΡŽΡ‰ΡƒΡŽΡΡ ΠΏΡ€ΠΈ Π³ΠΈΠ΄Ρ€ΠΎΠ»ΠΈΠ·Π΅ АВР.

Na, K-ATPa3a состоит ΠΈΠ· ΠΏΠΎΠ»ΠΈΠΏΠ΅ΠΏΡ‚ΠΈΠ΄Π½Ρ‹Ρ… Ρ†Π΅ΠΏΠ΅ΠΉ Π΄Π²ΡƒΡ… Ρ‚ΠΈΠΏΠΎΠ², Π½Π°Π·Π²Π°Π½Π½Ρ‹Ρ… Π°ΠΈ Π -ΡΡƒΠ±ΡŠΠ΅Π΄ΠΈΠ½ΠΈΡ†Π°ΠΌΠΈ. Π°-Π‘ΡƒΠ±ΡŠΠ΅Π΄ΠΈΠ½ΠΈΡ†Π° ΠΈΠΌΠ΅Π΅Ρ‚ ΠΌΠΎΠ»Π΅ΠΊΡƒΠ»ΡΡ€Π½ΡƒΡŽ массу ΠΎΠΊΠΎΠ»ΠΎ 110 ΠΊΠ”Π°, Π° Ρ€-ΡΡƒΠ±ΡŠΠ΅Π΄ΠΈΠ½ΠΈΡ†Π° прСдставляСт собой Π³Π»ΠΈΠΊΠΎΠΏΡ€ΠΎΡ‚Π΅ΠΈΠ΄, ΠΈ Π² Π·Π°Π²ΠΈΡΠΈΠΌΠΎΡΡ‚ΠΈ ΠΎΡ‚ ΡΡ‚Π΅ΠΏΠ΅Π½ΠΈ гликозилирования Π΅Ρ‘ ΠΌΠΎΠ»Π΅ΠΊΡƒΠ»ΡΡ€Π½Π°Ρ масса Π² Ρ€Π°Π·Π»ΠΈΡ‡Π½Ρ‹Ρ… тканях составляСт ΠΎΡ‚ 40 Π΄ΠΎ 60 ΠΊΠ”Π°. Π°-Π‘ΡƒΠ±ΡŠΠ΅Π΄ΠΈΠ½ΠΈΡ†Π° Na, K-ATPa3bi, содСрТащая участки связывания АВР, натрия ΠΈ ΠΊΠ°Π»ΠΈΡ, способна ΠΏΠΎΠ»Π½ΠΎΡΡ‚ΡŒΡŽ Π²Ρ‹ΠΏΠΎΠ»Π½ΡΡ‚ΡŒ ΠΊΠ°Ρ‚Π°Π»ΠΈΡ‚ΠΈΡ‡Π΅ΡΠΊΡƒΡŽ Ρ„ΡƒΠ½ΠΊΡ†ΠΈΡŽ ΠΈ Π² ΠΏΡ€ΠΎΡ†Π΅ΡΡΠ΅ каталитичСского Ρ†ΠΈΠΊΠ»Π° подвСргаСтся Ρ„ΠΎΡΡ„ΠΎΡ€ΠΈΠ»ΠΈΡ€ΠΎΠ²Π°Π½ΠΈΡŽ-Π΄Π΅Ρ„ΠΎΡΡ„ΠΎΡ€ΠΈΠ»ΠΈΡ€ΠΎΠ²Π°Π½ΠΈΡŽ. Π -Π‘ΡƒΠ±ΡŠΠ΅Π΄ΠΈΠ½ΠΈΡ†Π° являСтся сущСствСнным ΠΊΠΎΠΌΠΏΠΎΠ½Π΅Π½Ρ‚ΠΎΠΌ Na, K-АВРазы, хотя нСпосрСдствСнного участия Π² ΠΊΠ°Ρ‚Π°Π»ΠΈΠ·Π΅ эта ΡΡƒΠ±ΡŠΠ΅Π΄ΠΈΠ½ΠΈΡ†Π° Π½Π΅ ΠΏΡ€ΠΈΠ½ΠΈΠΌΠ°Π΅Ρ‚, Π½ΠΎ Π²Π»ΠΈΡΠ΅Ρ‚ Π½Π° Ρ‚ранспортныС Ρ„ΡƒΠ½ΠΊΡ†ΠΈΠΈ Ρ„Π΅Ρ€ΠΌΠ΅Π½Ρ‚Π°, измСняя сродство ΠΊ ΠΈΠΎΠ½Π°ΠΌ К+. Π -ΡΡƒΠ±ΡŠΠ΅Π΄ΠΈΠ½ΠΈΡ†Π° ΠΈΠ³Ρ€Π°Π΅Ρ‚ Π²Π°ΠΆΠ½ΡƒΡŽ Ρ€ΠΎΠ»ΡŒ Π² ΠΏΠΎΠ΄Π΄Π΅Ρ€ΠΆΠ°Π½ΠΈΠΈ Π½Π°Ρ‚ΠΈΠ²Π½ΠΎΠΉ структуры каталитичСской ΡΡƒΠ±ΡŠΠ΅Π΄ΠΈΠ½ΠΈΡ†Ρ‹ β„–, К-АВРазы. Π’ ΡΠΎΡΡ‚Π°Π²Π΅ ΠΎΡ‡ΠΈΡ‰Π΅Π½Π½Ρ‹Ρ… ΠΏΡ€Π΅ΠΏΠ°Ρ€Π°Ρ‚ΠΎΠ² Na, K-ATPa3bi ΠΏΠΎΡ‡Π΅ΠΊ ΠΊΡ€ΠΎΠΌΠ΅ Π°ΠΈ Ρ€-ΡΡƒΠ±ΡŠΠ΅Π΄ΠΈΠ½ΠΈΡ† присутствуСт Π±Π΅Π»ΠΊΠΎΠ²Ρ‹ΠΉ ΠΊΠΎΠΌΠΏΠΎΠ½Π΅Π½Ρ‚, ассоциированный с Na-насосом, ΠΈ ΠΊΠΎΡ‚ΠΎΡ€Ρ‹ΠΉ Π±Ρ‹Π» Π½Π°Π·Π²Π°Π½ Ρƒ-ΡΡƒΠ±ΡŠΠ΅Π΄ΠΈΠ½ΠΈΡ†Π΅ΠΉ (Forbush et al., 1978). Π’ ΠΏΡ€Π΅ΠΏΠ°Ρ€Π°Ρ‚Π°Ρ… Ρ„Π΅Ρ€ΠΌΠ΅Π½Ρ‚Π°, ΠΏΠΎΠ»ΡƒΡ‡Π΅Π½Π½Ρ‹Ρ… ΠΈΠ· Π΄Ρ€ΡƒΠ³ΠΈΡ… источников, Ρƒ-ΡΡƒΠ±ΡŠΠ΅Π΄ΠΈΠ½ΠΈΡ†Π° Π½Π΅ Π²Ρ‹ΡΠ²Π»Π΅Π½Π°, ΠΈ, ΠΏΠΎ-Π²ΠΈΠ΄ΠΈΠΌΠΎΠΌΡƒ, Π΅Ρ‘ ΠΏΡ€ΠΈΡΡƒΡ‚ствиС Π½Π΅ ΡΠ²Π»ΡΠ΅Ρ‚ся ΠΎΠ±ΡΠ·Π°Ρ‚Π΅Π»ΡŒΠ½Ρ‹ΠΌ. Π’ ΡΠ²ΡΠ·ΠΈ с ΡΡ‚ΠΈΠΌ принято ΡΡ‡ΠΈΡ‚Π°Ρ‚ΡŒ, Ρ‡Ρ‚ΠΎ Na, K-ATPa3a состоит Ρ‚ΠΎΠ»ΡŒΠΊΠΎ ΠΈΠ· Π΄Π²ΡƒΡ… Ρ‚ΠΈΠΏΠΎΠ² ΡΡƒΠ±ΡŠΠ΅Π΄ΠΈΠ½ΠΈΡ†.

Π˜Π·Π²Π΅ΡΡ‚Π½ΠΎ, Ρ‡Ρ‚ΠΎ β„–, К-АВРаза ΠΈΠ³Ρ€Π°Π΅Ρ‚ ΠΊΠ»ΡŽΡ‡Π΅Π²ΡƒΡŽ Ρ€ΠΎΠ»ΡŒ Π² Ρ€Π΅Π³ΡƒΠ»ΡΡ†ΠΈΠΈ ΠΊΠΎΠ½Ρ†Π΅Π½Ρ‚Ρ€Π°Ρ†ΠΈΠΈ Π²Π½ΡƒΡ‚Ρ€ΠΈΠΊΠ»Π΅Ρ‚ΠΎΡ‡Π½Ρ‹Ρ… ΠΎΠ΄Π½ΠΎΠ²Π°Π»Π΅Π½Ρ‚Π½Ρ‹Ρ… ΠΊΠ°Ρ‚ΠΈΠΎΠ½ΠΎΠ², Π² ΠΏΠΎΠ΄Π΄Π΅Ρ€ΠΆΠ°Π½ΠΈΠΈ ΠΌΠ΅ΠΌΠ±Ρ€Π°Π½Π½ΠΎΠ³ΠΎ ΠΏΠΎΡ‚Π΅Π½Ρ†ΠΈΠ°Π»Π°, объСма ΠΊΠ»Π΅Ρ‚ΠΊΠΈ, сопряТСнного транспорта Na+ ΠΈ.

2+ + аминокислот, Π³Π»ΡŽΠΊΠΎΠ·Ρ‹, Π½ΡƒΠΊΠ»Π΅ΠΎΡ‚ΠΈΠ΄ΠΎΠ² ΠΈ Π½Π΅ΠΊΠΎΡ‚ΠΎΡ€Ρ‹Ρ… ΠΈΠΎΠ½ΠΎΠ² (Π½Π°ΠΏΡ€ΠΈΠΌΠ΅Ρ€, Π‘Π°, Н) Ρ‡Π΅Ρ€Π΅Π· ΠΏΠ»Π°Π·ΠΌΠ°Ρ‚ΠΈΡ‡Π΅ΡΠΊΡƒΡŽ ΠΌΠ΅ΠΌΠ±Ρ€Π°Π½Ρƒ (Lang et al., 2000; Mongin, Orlov, 2001; Blanco, Mercer, 1998). ΠΠ΅ΡƒΠ΄ΠΈΠ²ΠΈΡ‚Π΅Π»ΡŒΠ½ΠΎ, Ρ‡Ρ‚ΠΎ ΠΈΠ½Π³ΠΈΠ±ΠΈΡ€ΠΎΠ²Π°Π½ΠΈΠ΅ Π΄Π°Π½Π½ΠΎΠ³ΠΎ Ρ„Π΅Ρ€ΠΌΠ΅Π½Ρ‚Π° влияСт Π½Π° Ρ†Π΅Π»Ρ‹ΠΉ ряд процСссов Π² ΠΊΠ»Π΅Ρ‚ΠΊΠ΅. Π’Π°ΠΊ, Π½Π°ΠΏΡ€ΠΈΠΌΠ΅Ρ€, ΡƒΠ°Π±Π°ΠΈΠ½ ΠΈ Π΄Ρ€ΡƒΠ³ΠΈΠ΅ кардиотоничСскиС стСроиды (КВБ), ΠΈΠ½Π³ΠΈΠ±ΠΈΡ€ΡƒΡŽΡ‰ΠΈΠ΅ Π«Π°, К-АВРазу ΠΏΡƒΡ‚Π΅ΠΌ взаимодСйствия с Π΅Ρ‘ Π°-ΡΡƒΠ±ΡŠΠ΅Π΄ΠΈΠ½ΠΈΡ†Π΅ΠΉ, приводят ΠΊ ΠΏΠΎΠ²Ρ‹ΡˆΠ΅Π½ΠΈΡŽ Π²Π½ΡƒΡ‚Ρ€ΠΈΠΊΠ»Π΅Ρ‚ΠΎΡ‡Π½ΠΎΠΉ ΠΊΠΎΠ½Ρ†Π΅Π½Ρ‚Ρ€Π°Ρ†ΠΈΠΈ Na+, Ρ‡Ρ‚ΠΎ Π² ΡΠ²ΠΎΡŽ ΠΎΡ‡Π΅Ρ€Π΅Π΄ΡŒ Π°ΠΊΡ‚ΠΈΠ²ΠΈΡ€ΡƒΠ΅Ρ‚ Ка+/Π‘Π°2±ΠΎΠ±ΠΌΠ΅Π½Π½ΠΈΠΊ ΠΈ ΠΏΠΎΡ‚Π΅Π½Ρ†ΠΈΠ°Π»-Π°ΠΊΡ‚ΠΈΠ²ΠΈΡ€ΡƒΠ΅ΠΌΡ‹Π΅ Π‘Π°2+ ΠΊΠ°Π½Π°Π»Ρ‹ (Lang et al.,.

Π› I.

1998; Lang et al., 1992). ΠŸΡ€ΠΈ этом возрастаСт ΡƒΡ€ΠΎΠ²Π΅Π½ΡŒ Π²Π½ΡƒΡ‚Ρ€ΠΈΠΊΠ»Π΅Ρ‚ΠΎΡ‡Π½ΠΎΠ³ΠΎ Π‘Π°, Ρ‡Ρ‚ΠΎ Π²Π΅Π΄Π΅Ρ‚ ΠΊ ΡƒΠ²Π΅Π»ΠΈΡ‡Π΅Π½ΠΈΡŽ сокращСния ΠΊΠ°Ρ€Π΄ΠΈΠΎΠΌΠΈΠΎΡ†ΠΈΡ‚ΠΎΠ² (Blastein, Lederer, 1999).

Π—Π° ΠΏΠΎΡΠ»Π΅Π΄Π½Π΅Π΅ врСмя появилось большоС количСство Ρ€Π°Π±ΠΎΡ‚, ΡΠ²ΠΈΠ΄Π΅Ρ‚Π΅Π»ΡŒΡΡ‚Π²ΡƒΡŽΡ‰ΠΈΡ… ΠΎ Ρ‚ΠΎΠΌ, Ρ‡Ρ‚ΠΎ ΠΏΠΎΠΌΠΈΠΌΠΎ основной Ρ„ΡƒΠ½ΠΊΡ†ΠΈΠΈ Na, K-ATPa3bi, связанной с ΠΏΠΎΠ΄Π΄Π΅Ρ€ΠΆΠ°Π½ΠΈΠ΅ΠΌ нСравновСсного распрСдСлСния Na+ ΠΈ К+, этот Ρ„Π΅Ρ€ΠΌΠ΅Π½Ρ‚ выступаСт Π² Ρ€ΠΎΠ»ΠΈ Ρ€Π΅Ρ†Π΅ΠΏΡ‚ΠΎΡ€Π° кардиотоничСских стСроидов, способного Π²Ρ‹Π·Ρ‹Π²Π°Ρ‚ΡŒ измСнСния Ρ„ΡƒΠ½ΠΊΡ†ΠΈΠΎΠ½Π°Π»ΡŒΠ½ΠΎΠ³ΠΎ состояния ΠΊΠ»Π΅Ρ‚ΠΎΠΊ. Π’ Π½Π°ΡΡ‚оящСС врСмя ΠΏΠΎΠ»ΡƒΡ‡Π΅Π½Ρ‹ многочислСнныС Π΄Π°Π½Π½Ρ‹Π΅, ΠΏΠΎΠΊΠ°Π·Ρ‹Π²Π°ΡŽΡ‰ΠΈΠ΅, Ρ‡Ρ‚ΠΎ кардиотоничСскиС стСроиды, ингибируя Π°ΠΊΡ‚ΠΈΠ²Π½ΠΎΡΡ‚ΡŒ Na, K-ATPa3bi, Π²Ρ‹Π·Ρ‹Π²Π°ΡŽΡ‚ Ρ‚Π°ΠΊΠΆΠ΅ Π°ΠΊΡ‚ΠΈΠ²Π°Ρ†ΠΈΡŽ Π½Π΅ΠΊΠΎΡ‚ΠΎΡ€Ρ‹Ρ… ΡΠΈΠ³Π½Π°Π»ΡŒΠ½Ρ‹Ρ… каскадов ΠΊΠ»Π΅Ρ‚ΠΊΠΈ. Π‘Ρ€Π΅Π΄ΠΈ Π½ΠΈΡ… ΡΠΈΠ³Π½Π°Π»ΡŒΠ½Ρ‹Π΅ каскады с ΡƒΡ‡Π°ΡΡ‚ΠΈΠ΅ΠΌ ΠΏΡ€ΠΎΡ‚Π΅ΠΈΠ½ΠΊΠΈΠ½Π°Π· Ras/Raf/MEK/Erk 1 /2 (Ρ€42/44 МАРК) (Kometiani et al., 1998) ΠΈ Π°ΠΊΡ‚ΠΈΠ²Π½Ρ‹Ρ… Ρ„ΠΎΡ€ΠΌ кислорода (Xie et al., 1999), активация ΠΊΠΎΡ‚ΠΎΡ€Ρ‹Ρ… Π² ΡΠ²ΠΎΡŽ ΠΎΡ‡Π΅Ρ€Π΅Π΄ΡŒ влияСт Π½Π° ΡΠΊΡΠΏΡ€Π΅ΡΡΠΈΡŽ ряда Π³Π΅Π½ΠΎΠ² (Xie et al., 2002; Taurin et al., 2003), Π²ΠΊΠ»ΡŽΡ‡Π°Ρ Π³Π΅Π½Ρ‹, Π²ΠΎΠ²Π»Π΅Ρ‡Π΅Π½Π½Ρ‹Π΅ Π² Ρ€Π΅Π³ΡƒΠ»ΡΡ†ΠΈΡŽ ΠΏΡ€ΠΎΠ»ΠΈΡ„Π΅Ρ€Π°Ρ†ΠΈΠΈ ΠΊΠ»Π΅Ρ‚ΠΎΠΊ ΠΈ ΠΏΡ€ΠΎΠ³Ρ€Π°ΠΌΠΌΠΈΡ€ΠΎΠ²Π°Π½Π½ΠΎΠΉ ΠΊΠ»Π΅Ρ‚ΠΎΡ‡Π½ΠΎΠΉ смСрти (Π°ΠΏΠΎΠΏΡ‚ΠΎΠ·Π°) (Orlov et al., 2005; Taurin et al., 2003). Для ΠΊΠ»Π΅Ρ‚ΠΎΠΊ Π³Π»Π°Π΄ΠΊΠΎΠΉ мускулатуры сосудов (VSMC) Π±Ρ‹Π» ΠΎΠ±Π½Π°Ρ€ΡƒΠΆΠ΅Π½ Π·Π°Ρ‰ΠΈΡ‚Π½Ρ‹ΠΉ эффСкт ΡƒΠ°Π±Π°ΠΈΠ½Π°, ΠΏΡ€Π΅Π΄ΠΎΡ‚Π²Ρ€Π°Ρ‰Π°ΡŽΡ‰ΠΈΠΉ Ρ€Π°Π·Π²ΠΈΡ‚ΠΈΠ΅ Π°ΠΏΠΎΠΏΡ‚ΠΎΠ·Π° ΠΊΠ»Π΅Ρ‚ΠΎΠΊ, Π²Ρ‹Π·Π²Π°Π½Π½ΠΎΠ³ΠΎ отсутствиСм ростовых Ρ„Π°ΠΊΡ‚ΠΎΡ€ΠΎΠ² (Orlov et al., 1999). Π‘Ρ‹Π»ΠΎ установлСно, Ρ‡Ρ‚ΠΎ Π²Π°ΠΆΠ½ΡƒΡŽ Ρ€ΠΎΠ»ΡŒ Π² Π°Π½Ρ‚иапоптотичСском дСйствии ΡƒΠ°Π±Π°ΠΈΠ½Π° ΠΈΠ³Ρ€Π°Π΅Ρ‚ ΠΏΠΎΠ²Ρ‹ΡˆΠ΅Π½ΠΈΠ΅ Π²Π½ΡƒΡ‚Ρ€ΠΈΠΊΠ»Π΅Ρ‚ΠΎΡ‡Π½ΠΎΠ³ΠΎ содСрТания [Na+]b Ρ‡Ρ‚ΠΎ Π²Π΅Π΄Π΅Ρ‚ ΠΊ ΡΠΊΡΠΏΡ€Π΅ΡΡΠΈΠΈ антиапоптотичСских Π³Π΅Π½ΠΎΠ² (Taurin et al., 2002Π°Taurin et al., 2002b).

НСдавно Π² Π»Π°Π±ΠΎΡ€Π°Ρ‚ΠΎΡ€ΠΈΠΈ ΠžΡ€Π»ΠΎΠ²Π° Π‘. Н. Π±Ρ‹Π»ΠΎ ΠΏΠΎΠΊΠ°Π·Π°Π½ΠΎ, Ρ‡Ρ‚ΠΎ, Π² ΠΎΡ‚Π»ΠΈΡ‡ΠΈΠ΅ ΠΎΡ‚ VSMC, Π² ΡΠΏΠΈΡ‚Π΅Π»ΠΈΠ°Π»ΡŒΠ½Ρ‹Ρ… ΠΊΠ»Π΅Ρ‚ΠΊΠ°Ρ… ΠΏΠΎΡ‡Π΅ΠΊ собаки (C7-MDCK) ΠΏΠΎΠ΄ дСйствиСм ΡƒΠ°Π±Π°ΠΈΠ½Π° Π½Π°Π±Π»ΡŽΠ΄Π°Π΅Ρ‚ΡΡ активация сигнального каскада, приводящСго ΠΊ ΡΠΌΠ΅Ρ€Ρ‚ΠΈ ΠΊΠ»Π΅Ρ‚ΠΎΠΊ нСзависимо ΠΎΡ‚ Π²ΠΎΠ·Ρ€Π°ΡΡ‚ания Π²Π½ΡƒΡ‚Ρ€ΠΈΠΊΠ»Π΅Ρ‚ΠΎΡ‡Π½ΠΎΠ³ΠΎ ΡΠΎΠΎΡ‚Π½ΠΎΡˆΠ΅Π½ΠΈΡ [Ма+]/[К+^ (РсЬС]Π΅1Π·1ΠΈ Π΅1 Π°1., 2003). Π­Ρ‚ΠΎ ΠΏΠΎΠ·Π²ΠΎΠ»ΠΈΠ»ΠΎ ΠΏΡ€Π΅Π΄ΠΏΠΎΠ»ΠΎΠΆΠΈΡ‚ΡŒ, Ρ‡Ρ‚ΠΎ ΠΌΠΎΠ³ΡƒΡ‚ ΡΡƒΡ‰Π΅ΡΡ‚Π²ΠΎΠ²Π°Ρ‚ΡŒ Ρ‚Π°ΠΊΠΈΠ΅ КВБ, ΠΊΠΎΡ‚ΠΎΡ€Ρ‹Π΅ эффСктивно ΠΈΠ½Π³ΠΈΠ±ΠΈΡ€ΡƒΡŽΡ‚ Π«Π°, К-АВРазу, Π½Π΅ Π²Π»ΠΈΡΡ Π½Π° ΠΆΠΈΠ·Π½Π΅ΡΠΏΠΎΡΠΎΠ±Π½ΠΎΡΡ‚ΡŒ ΠΊΠ»Π΅Ρ‚ΠΎΠΊ, ΠΈ Π½Π°ΠΎΠ±ΠΎΡ€ΠΎΡ‚. Помимо ΠΊΠ»Π΅Ρ‚ΠΎΠΊ Π»ΠΈΠ½ΠΈΠΈ Π‘7-МОБК, Π΄Π»ΠΈΡ‚Π΅Π»ΡŒΠ½ΠΎΠ΅ воздСйствиС ΡƒΠ°Π±Π°ΠΈΠ½Π° ΠΏΡ€ΠΈΠ²ΠΎΠ΄ΠΈΡ‚ ΠΊ Π³ΠΈΠ±Π΅Π»ΠΈ ряда Π΄Ρ€ΡƒΠ³ΠΈΡ… Ρ‚ΠΈΠΏΠΎΠ² ΠΊΠ»Π΅Ρ‚ΠΎΠΊ, Π²ΠΊΠ»ΡŽΡ‡Π°Ρ ΡΠ½Π΄ΠΎΡ‚Π΅Π»ΠΈΠ°Π»ΡŒΠ½Ρ‹Π΅ ΠΊΠ»Π΅Ρ‚ΠΊΠΈ Π°ΠΎΡ€Ρ‚Ρ‹ свиньи (РАЕБ) ΠΈ ΡΠΏΠΈΡ‚Π΅Π»ΠΈΠ°Π»ΡŒΠ½Ρ‹Π΅ ΠΊΠ»Π΅Ρ‚ΠΊΠΈ ΠΊΠΈΡˆΠ΅Ρ‡Π½ΠΈΠΊΠ° Ρ‡Π΅Π»ΠΎΠ²Π΅ΠΊΠ° (Басо-2) (Ог1ΠΎΡƒ Π΅1 Π°1., 2005). Как ΠΈ Π² ΡΠ»ΡƒΡ‡Π°Π΅ Π‘7-МЭБК ΠΊΠ»Π΅Ρ‚ΠΎΠΊ, ΡΠΌΠ΅Ρ€Ρ‚ΡŒ ΠΊΠ»Π΅Ρ‚ΠΎΠΊ Π»ΠΈΠ½ΠΈΠΈ Π ΠΠ•Πš ΠΈ Π‘асо-2 Π½Π΅ Π·Π°Π²ΠΈΡΠΈΡ‚ ΠΎΡ‚ Π΄Π΅ΠΉΡΡ‚вия ΡƒΠ°Π±Π°ΠΈΠ½Π° Π½Π° Π²Π½ΡƒΡ‚Ρ€ΠΈΠΊΠ»Π΅Ρ‚ΠΎΡ‡Π½ΠΎΠ΅ ΡΠΎΠΎΡ‚Π½ΠΎΡˆΠ΅Π½ΠΈΠ΅ |ΠͺΠ“Π°+]/[К+]-. Π”ΠΎ Π½Π°ΡΡ‚оящСго Π²Ρ€Π΅ΠΌΠ΅Π½ΠΈ ΠΌΠ΅Ρ…Π°Π½ΠΈΠ·ΠΌ развития смСрти ΠΊΠ»Π΅Ρ‚ΠΎΠΊ, ΠΈΠ½Π΄ΡƒΡ†ΠΈΡ€ΠΎΠ²Π°Π½Π½Ρ‹ΠΉ ΡƒΠ°Π±Π°ΠΈΠ½ΠΎΠΌ, остаСтся ΠΌΠ°Π»ΠΎ ΠΈΠ·ΡƒΡ‡Π΅Π½Π½Ρ‹ΠΌ. Π’ ΠΏΠ΅Ρ€Π²ΠΎΠΉ части Ρ€Π°Π±ΠΎΡ‚Ρ‹ ΠΌΡ‹ ΡΡ€Π°Π²Π½ΠΈΠ»ΠΈ ΡΠΏΠΎΡΠΎΠ±Π½ΠΎΡΡ‚ΡŒ ряда кардиотоничСских стСроидов ΠΈΠ½Π³ΠΈΠ±ΠΈΡ€ΠΎΠ²Π°Ρ‚ΡŒ Ка, К-насос, ΠΈΠ·ΠΌΠ΅Π½ΡΡ‚ΡŒ ΡΠΎΠΎΡ‚Π½ΠΎΡˆΠ΅Π½ΠΈΠ΅ ΠΈ [К+]- ΠΈ Π²ΠΊΠ»ΡŽΡ‡Π°Ρ‚ΡŒ ΡΠΈΠ³Π½Π°Π»ΡŒΠ½Ρ‹ΠΉ каскад, приводящий ΠΊ ΡΠΌΠ΅Ρ€Ρ‚ΠΈ ΠΊΠ»Π΅Ρ‚ΠΎΠΊ Π»ΠΈΠ½ΠΈΠΈ Π‘7-МОБК. Π’ΠΎ Π²Ρ‚ΠΎΡ€ΠΎΠΉ части Ρ€Π°Π±ΠΎΡ‚Ρ‹ ΠΌΡ‹ ΠΏΡ€Π΅Π΄ΠΏΡ€ΠΈΠ½ΡΠ»ΠΈ ΠΏΠΎΠΏΡ‹Ρ‚ΠΊΡƒ ΠΈΠ΄Π΅Π½Ρ‚ΠΈΡ„ΠΈΡ†ΠΈΡ€ΠΎΠ²Π°Ρ‚ΡŒ сигнальной каскад, запускаСмый КВБ Π² ΠΊΠ»Π΅Ρ‚ΠΊΠ°Ρ… Π»ΠΈΠ½ΠΈΠΈ Π‘7-ΠœΠ‘Π‘Πš ΠΈ Π½Π΅Π·Π°Π²ΠΈΡΠΈΠΌΡ‹ΠΉ ΠΎΡ‚ Π²Π½ΡƒΡ‚Ρ€ΠΈΠΊΠ»Π΅Ρ‚ΠΎΡ‡Π½ΠΎΠ³ΠΎ ΡΠΎΠΎΡ‚Π½ΠΎΡˆΠ΅Π½ΠΈΡ [Ма+]-/[К+]]. Π‘ Ρ†Π΅Π»ΡŒΡŽ ΠΈΠ΄Π΅Π½Ρ‚ΠΈΡ„ΠΈΠΊΠ°Ρ†ΠΈΠΈ Π½Π°Ρ‡Π°Π»ΡŒΠ½Ρ‹Ρ… звСньСв этого каскада, ΠΌΡ‹ ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π»ΠΈ влияниС КВБ Π½Π° Π²Π·Π°ΠΈΠΌΠΎΠ΄Π΅ΠΉΡΡ‚Π²ΠΈΠ΅ Π°-ΡΡƒΠ±ΡŠΠ΅Π΄ΠΈΠ½ΠΈΡ†Ρ‹ β„–, К-АВРазы с Π΄Ρ€ΡƒΠ³ΠΈΠΌΠΈ Π±Π΅Π»ΠΊΠ°ΠΌΠΈ, ΠΏΡ€ΠΈΠΌΠ΅Π½ΠΈΠ² ΠΌΠ΅Ρ‚ΠΎΠ΄ ΠΈΠΌΠΌΡƒΠ½ΠΎΠΏΡ€Π΅Ρ†ΠΈΠΏΠΈΡ‚Π°Ρ†ΠΈΠΈ, Π΄Π²ΡƒΠΌΠ΅Ρ€Π½ΠΎΠ³ΠΎ элСктрофорСза ΠΈ ΠΌΠ°ΡΡ-спСктромСтрии. Π­Ρ‚ΠΈ Π΄Π°Π½Π½Ρ‹Π΅ суммированы Π² Π·Π°ΠΊΠ»ΡŽΡ‡ΠΈΡ‚Π΅Π»ΡŒΠ½ΠΎΠΉ части нашСй Ρ€Π°Π±ΠΎΡ‚Ρ‹.

2. ΠžΠ±Π·ΠΎΡ€ Π»ΠΈΡ‚Π΅Ρ€Π°Ρ‚ΡƒΡ€Ρ‹.

2.1. Na, K-ATPa3a: молСкулярная структура, ΠΌΠ΅Ρ…Π°Π½ΠΈΠ·ΠΌ функционирования ΠΈ Ρ€Π΅Π³ΡƒΠ»ΡΡ†ΠΈΡ.

6.

Π—Π°ΠΊΠ»ΡŽΡ‡Π΅Π½ΠΈΠ΅

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Начиная с 60-Ρ… Π³ΠΎΠ΄ΠΎΠ² ΠΏΡ€ΠΎΡˆΠ»ΠΎΠ³ΠΎ столСтия, ΡƒΠ°Π±Π°ΠΈΠ½ ΠΈ Ρ€ΠΎΠ΄ΡΡ‚Π²Π΅Π½Π½Ρ‹Π΅ Π΅ΠΌΡƒ соСдинСния извСстны ΠΊΠ°ΠΊ спСцифичСскиС ΠΈΠ½Π³ΠΈΠ±ΠΈΡ‚ΠΎΡ€Ρ‹ Na, K-ATPa3bi (Na-Hacoca). Π—Π° ΠΏΠΎΡΠ»Π΅Π΄Π½ΠΈΠ΅ Π΄Π²Π° дСсятилСтия появилось большоС количСство Ρ€Π°Π±ΠΎΡ‚, ΠΏΠΎΠΊΠ°Π·Ρ‹Π²Π°ΡŽΡ‰ΠΈΡ…, Ρ‡Ρ‚ΠΎ ΡƒΠ°Π±Π°ΠΈΠ½ Π²Ρ‹Π·Ρ‹Π²Π°Π΅Ρ‚ Π°ΠΊΡ‚ΠΈΠ²Π°Ρ†ΠΈΡŽ ΡΠΈΠ³Π½Π°Π»ΡŒΠ½Ρ‹Ρ… каскадов ΠΊΠ»Π΅Ρ‚ΠΊΠΈ, Π² Ρ‚ΠΎΠΌ числС Π°ΠΊΡ‚ΠΈΠ²Π°Ρ†ΠΈΡŽ ΠΏΡ€ΠΎΡ‚Π΅ΠΈΠ½ΠΊΠΈΠ½Π°Π· Ras/Raf/MEK/Erkl/2 (Ρ€42/44 МАРК) (Kometiani et al., 1998), ΠΏΡ€ΠΎΠ΄ΡƒΠΊΡ†ΠΈΡŽ Π°ΠΊΡ‚ΠΈΠ²Π½Ρ‹Ρ… Ρ„ΠΎΡ€ΠΌ кислорода (Xie et al., 1999; Liu et al., 2000; Valente et al., 2003), ΡΠΊΡΠΏΡ€Π΅ΡΡΠΈΡŽ ряда Π³Π΅Π½ΠΎΠ² (Peng et al., 1996; Huang et al., 1997; Qin et al., 1994), Π² Ρ‚ΠΎΠΌ числС Π³Π΅Π½ΠΎΠ², Π²ΠΎΠ²Π»Π΅Ρ‡Π΅Π½Π½Ρ‹Ρ… Π² Ρ€Π΅Π³ΡƒΠ»ΡΡ†ΠΈΡŽΠΏΡ€ΠΎΠ»ΠΈΡ„Π΅Ρ€Π°Ρ†ΠΈΠΈ ΠΊΠ»Π΅Ρ‚ΠΎΠΊ. ΠŸΡ€ΠΈ этом Π² ΠΊΠ°Ρ€Π΄ΠΈΠΎΠΌΠΈΠΎΡ†ΠΈΡ‚Π°Ρ…, Π³Π΄Π΅ ΠΎΠ±Π½Π°Ρ€ΡƒΠΆΠ΅Π½ΠΎ Π±ΠΎΠ»ΡŒΡˆΠΈΠ½ΡΡ‚Π²ΠΎ этих эффСктов, дСйствиС ΡƒΠ°Π±Π°ΠΈΠ½Π° обусловлСно ΠΊΠ°ΠΊ ΠΌΠΈΠ½ΠΈΠΌΡƒΠΌ двумя ΠΏΡ€ΠΈΡ‡ΠΈΠ½Π°ΠΌΠΈ: 1) ΠΈΠ·ΠΌΠ΅Π½Π΅Π½ΠΈΠ΅ΠΌ Π²Π½ΡƒΡ‚Ρ€ΠΈΠΊΠ»Π΅Ρ‚ΠΎΡ‡Π½ΠΎΠΉ ΠΊΠΎΠ½Ρ†Π΅Π½Ρ‚Ρ€Π°Ρ†ΠΈΠΈ Na+ (Ρ‡Ρ‚ΠΎ ΠΏΡ€ΠΈΠ²ΠΎΠ΄ΠΈΡ‚ ΠΊ ΠΈΠ·ΠΌΠ΅Π½Π΅Π½ΠΈΡŽ Π²Π½ΡƒΡ‚Ρ€ΠΈΠΊΠ»Π΅Ρ‚ΠΎΡ‡Π½ΠΎΠΉ ΠΊΠΎΠ½Ρ†Π΅Π½Ρ‚Ρ€Π°Ρ†ΠΈΠΈ Π‘Π°2+ ΠΈ Π²ΠΊΠ»ΡŽΡ‡Π΅Π½ΠΈΡŽ ряда Π‘Π°2±Π·Π°Π²ΠΈΡΠΈΠΌΡ‹Ρ… каскадов) — 2) связываниСм с Π«Π°, К-АВРазой Src-ΠΊΠΈΠ½Π°Π·Ρ‹, которая вслСдствиС этого активируСтся ΠΈ Ρ„осфорилируСт Ρ€Π΅Ρ†Π΅ΠΏΡ‚ΠΎΡ€ ΡΠΏΠΈΠ΄Π΅Ρ€ΠΌΠ°Π»ΡŒΠ½ΠΎΠ³ΠΎ Ρ„Π°ΠΊΡ‚ΠΎΡ€Π° роста, Ρ‡Ρ‚ΠΎ Π°ΠΊΡ‚ΠΈΠ²ΠΈΡ€ΡƒΠ΅Ρ‚ Π΄Ρ€ΡƒΠ³ΠΈΠ΅ каскады. На ΠΊΠ»Π΅Ρ‚ΠΊΠ°Ρ… Π³Π»Π°Π΄ΠΊΠΎΠΉ мускулатуры сосудов (VSMC) Π±Ρ‹Π»ΠΎ установлСно, Ρ‡Ρ‚ΠΎ ΡƒΠ°Π±Π°ΠΈΠ½ Π·Π°Ρ‰ΠΈΡ‰Π°Π΅Ρ‚ ΠΊΠ»Π΅Ρ‚ΠΊΠΈ ΠΎΡ‚ Ρ€Π°Π·Π²ΠΈΡ‚ия Π°ΠΏΠΎΠΏΡ‚ΠΎΠ·Π°, Π²Ρ‹Π·Π²Π°Π½Π½ΠΎΠ³ΠΎ ΡƒΠ΄Π°Π»Π΅Π½ΠΈΠ΅ΠΌ ростовых Ρ„Π°ΠΊΡ‚ΠΎΡ€ΠΎΠ² (Orlov et al., 1999). Π’ ΡΡ‚ΠΎΠΌ случаС эффСкт ΡƒΠ°Π±Π°ΠΈΠ½Π° обусловлСн ΠΈΡΠΊΠ»ΡŽΡ‡ΠΈΡ‚Π΅Π»ΡŒΠ½ΠΎ ΠΏΠΎΠ²Ρ‹ΡˆΠ΅Π½ΠΈΠ΅ΠΌ Π²Π½ΡƒΡ‚Ρ€ΠΈΠΊΠ»Π΅Ρ‚ΠΎΡ‡Π½ΠΎΠΉ ΠΊΠΎΠ½Ρ†Π΅Π½Ρ‚Ρ€Π°Ρ†ΠΈΠΈ Na+, Ρ‡Ρ‚ΠΎ ΠΈΠ½Π΄ΡƒΡ†ΠΈΡ€ΡƒΠ΅Ρ‚ синтСз Π±Π΅Π»ΠΊΠΎΠ² de novo (ссылка). Π’ ΠΎΡ‚Π»ΠΈΡ‡ΠΈΠ΅ ΠΎΡ‚ VSMC, Π΄Π»ΠΈΡ‚Π΅Π»ΡŒΠ½ΠΎΠ΅ воздСйствиС ΡƒΠ°Π±Π°ΠΈΠ½Π° ΠΏΡ€ΠΈΠ²ΠΎΠ΄ΠΈΡ‚ ΠΊ Π³ΠΈΠ±Π΅Π»ΠΈ ΡΠΏΠΈΡ‚Π΅Π»ΠΈΠ°Π»ΡŒΠ½Ρ‹Ρ… ΠΊΠ»Π΅Ρ‚ΠΎΠΊ ΠΏΠΎΡ‡Π΅ΠΊ Π»ΠΈΠ½ΠΈΠΈ C7-MDCK, ΠΏΡ€ΠΈΡ‡Π΅ΠΌ Π² ΠΎΡ‚Π»ΠΈΡ‡ΠΈΠ΅ ΠΎΡ‚ ΠΏΠ΅Ρ€Π²Ρ‹Ρ… Π΄Π²ΡƒΡ… Ρ‚ΠΈΠΏΠΎΠ² ΠΊΠ»Π΅Ρ‚ΠΎΠΊ этот эффСкт развиваСтся нСзависимо ΠΎΡ‚ ΠΈΠ·ΠΌΠ΅Π½Π΅Π½ΠΈΡ ΡΠΎΠΎΡ‚Π½ΠΎΡˆΠ΅Π½ΠΈΡ Π²Π½ΡƒΡ‚Ρ€ΠΈΠΊΠ»Π΅Ρ‚ΠΎΡ‡Π½ΠΎΠ³ΠΎ [Na+]j/[K+]j (Pchejetski et al., 2003).

ИсслСдования, ΠΏΡ€ΠΎΠ²Π΅Π΄Π΅Π½Π½Ρ‹Π΅ Π² 80−90 Π³ΠΎΠ΄Ρ‹ ΠΏΡ€ΠΎΡˆΠ»ΠΎΠ³ΠΎ столСтия ΠΏΠΎΠΊΠ°Π·Π°Π»ΠΈ, Ρ‡Ρ‚ΠΎ ΡƒΠ°Π±Π°ΠΈΠ½ ΠΈ Π΅Π³ΠΎ Π°Π½Π°Π»ΠΎΠ³ΠΈ, ΠΏΡ€ΠΈΡΡƒΡ‚ΡΡ‚Π²ΡƒΡŽΡ‚ Π½Π΅ Ρ‚ΠΎΠ»ΡŒΠΊΠΎ Ρƒ Ρ€Π°ΡΡ‚Π΅Π½ΠΈΠΉ (ΠΊΠ°Ρ€Π΄Π΅Π½Π΅Π»ΠΈΠ΄Ρ‹) ΠΈ Π² ΡΠ»ΠΈΠ·ΠΈ Π½Π΅ΠΊΠΎΡ‚ΠΎΡ€Ρ‹Ρ… бСспозвоночных (Π±ΡƒΡ„Π°Π΄ΠΈΠ΅Π½ΠΎΠ»ΠΈΠ΄Ρ‹), Π½ΠΎ ΠΈ ΡΠΈΠ½Ρ‚Π΅Π·ΠΈΡ€ΡƒΡŽΡ‚ΡΡ Ρƒ ΠΆΠΈΠ²ΠΎΡ‚Π½Ρ‹Ρ… Π² Π½Π°Π΄ΠΏΠΎΡ‡Π΅Ρ‡Π½ΠΈΠΊΠ°Ρ… ΠΈ Π³ΠΈΠΏΠΎΡ‚аламусС ΠΈ, ΠΏΠΎ-Π²ΠΈΠ΄ΠΈΠΌΠΎΠΌΡƒ, Ρ„ΡƒΠ½ΠΊΡ†Ρ‚ΠΎΠ½ΠΈΡ€ΡƒΡŽΡ‚ ΠΊΠ°ΠΊ Π³ΠΎΡ€ΠΌΠΎΠ½Ρ‹. ΠŸΡ€ΠΈΡΡƒΡ‚ΡΡ‚Π²ΠΈΠ΅ Ρ€Π°Π·Π»ΠΈΡ‡Π½Ρ‹Ρ… Π²ΠΈΠ΄ΠΎΠ² кардиотоничСских стСроидов Π² ΠΎΡ€Π³Π°Π½ΠΈΠ·ΠΌΠ°Ρ… ΠΌΠ»Π΅ΠΊΠΎΠΏΠΈΡ‚Π°ΡŽΡ‰ΠΈΡ… ΠΈ Ρ€Π°Π·Π»ΠΈΡ‡Π½Ρ‹Π΅ эффСкты ΡƒΠ°Π±Π°ΠΈΠ½Π° Π½Π° Ρ€Π°Π·Π½Ρ‹Π΅ Ρ‚ΠΈΠΏΡ‹ ΠΊΠ»Π΅Ρ‚ΠΎΠΊ ΠΏΠΎΠ·Π²ΠΎΠ»ΠΈΠ»ΠΈ ΠΏΡ€Π΅Π΄ΠΏΠΎΠ»ΠΎΠΆΠΈΡ‚ΡŒ, Ρ‡Ρ‚ΠΎ ΠΌΠΎΠ³ΡƒΡ‚ ΡΡƒΡ‰Π΅ΡΡ‚Π²ΠΎΠ²Π°Ρ‚ΡŒ кардиотоничСскиС стСроиды, эффСктивно.

ΠΈΠ½Π³ΠΈΠ±ΠΈΡ€ΡƒΡŽΡ‰ΠΈΠ΅ Na, K-ATPa3y, Π½Π΅ Π²Π»ΠΈΡΡ Π½Π° ΠΆΠΈΠ·Π½Π΅ΡΠΏΠΎΡΠΎΠ±Π½ΠΎΡΡ‚ΡŒ ΠΊΠ»Π΅Ρ‚ΠΎΠΊ, ΠΈ Π½Π°ΠΎΠ±ΠΎΡ€ΠΎΡ‚. Подобно ΡƒΠ°Π±Π°ΠΈΠ½Ρƒ, Π΄Ρ€ΡƒΠ³ΠΈΠ΅ ΠΊΠ°Ρ€Π΄Π΅Π½ΠΎΠ»ΠΈΠ΄Ρ‹, Π° Ρ‚Π°ΠΊΠΆΠ΅ Π±ΡƒΡ„Π°Π΄ΠΈΠ΅Π½ΠΎΠ»ΠΈΠ΄Ρ‹ (Π±ΡƒΡ„Π°Π»ΠΈΠ½, Ρ†ΠΈΠ½ΠΎΠ±ΡƒΡ„Π°Ρ‚Π°Π»ΠΈΠ½, Ρ†ΠΈΠ½ΠΎΠ±ΡƒΡ„Π°Π³ΠΈΠΈΠ½ ΠΈ Ρ‚Слобуфатоксин), Π΄ΠΎΠ±Π°Π²Π»Π΅Π½Π½Ρ‹Π΅ ΠΊ ΠΊΠ»Π΅Ρ‚ΠΊΠ°ΠΌ MDCK, ΡΠ½ΠΈΠΆΠ°ΡŽΡ‚ ΠΈΠ½Ρ‚Π΅Π½ΡΠΈΠ²Π½ΠΎΡΡ‚ΡŒ ΠΎΠΊΡ€Π°ΡˆΠΈΠ²Π°Π½ΠΈΡ ΠΊΠ»Π΅Ρ‚ΠΎΠΊ МВВ ΠΈ ΡƒΠΌΠ΅Π½ΡŒΡˆΠ°ΡŽΡ‚ количСство ΠΊΠ»Π΅Ρ‚ΠΎΠΊ, ΡΠΎΡ…Ρ€Π°Π½ΠΈΠ²ΡˆΠΈΡ… связь с ΠΏΠΎΠ΄Π»ΠΎΠΆΠΊΠΎΠΉ. Π‘ΠΌΠ΅Ρ€Ρ‚ΡŒ ΠΊΠ»Π΅Ρ‚ΠΎΠΊ Π»ΠΈΠ½ΠΈΠΈ C7-MDCK, вызванная КВБ, Π½Π΅ Π·Π°Π²ΠΈΡΠΈΡ‚ ΠΎΡ‚ ΠΈΠ½Π³ΠΈΠ±ΠΈΡ€ΠΎΠ²Π°Π½ΠΈΡ Π«Π°, К-АВРазы ΠΈ ΠΏΠΎΡΠ»Π΅Π΄ΡƒΡŽΡ‰Π΅Π³ΠΎ увСличСния Π²Π½ΡƒΡ‚Ρ€ΠΈΠΊΠ»Π΅Ρ‚ΠΎΡ‡Π½ΠΎΠ³ΠΎ ΡΠΎΠΎΡ‚Π½ΠΎΡˆΠ΅Π½ΠΈΡ [Na+]?/[K+]?. ΠœΡ‹ ΠΏΠΎΠΊΠ°Π·Π°Π»ΠΈ, Ρ‡Ρ‚ΠΎ Π΄Π²Π° Π±ΡƒΡ„Π°Π΄Π΅Π½ΠΎΠ»ΠΈΠ΄Π°: ΠΌΠ°Ρ€ΠΈΠ½ΠΎΠ±ΡƒΡ„Π°Π³Π΅Π½ΠΈΠ½ ΠΈ ΠΌΠ°Ρ€ΠΈΠ½ΠΎΠ±ΡƒΡ„атоксин — ΡΠ²Π»ΡΡŽΡ‚ΡΡ ΡΠΈΠ»ΡŒΠ½Ρ‹ΠΌΠΈ ΠΈΠ½Π³ΠΈΠ±ΠΈΡ‚ΠΎΡ€Π°ΠΌΠΈ Na, K-ATPa3bi, Π½ΠΎ ΠΏΠΎ ΡΡ€Π°Π²Π½Π΅Π½ΠΈΡŽ с Π΄Ρ€ΡƒΠ³ΠΈΠΌΠΈ КВБ ΠΎΠ±Π»Π°Π΄Π°ΡŽΡ‚ Π±ΠΎΠ»Π΅Π΅ слабой ΡΠΏΠΎΡΠΎΠ±Π½ΠΎΡΡ‚ΡŒΡŽ ΠΈΠ½Π΄ΡƒΡ†ΠΈΡ€ΠΎΠ²Π°Ρ‚ΡŒ ΡΠΌΠ΅Ρ€Ρ‚ΡŒ ΠΊΠ»Π΅Ρ‚ΠΎΠΊ, Π½Π΅Π·Π°Π²ΠΈΡΡΡ‰ΡƒΡŽ ΠΎΡ‚ ΡΠΎΠΎΡ‚Π½ΠΎΡˆΠ΅Π½ΠΈΡ [Na+]?/[K+]i.

Π’ Π΄Π°Π½Π½ΠΎΠΉ Ρ€Π°Π±ΠΎΡ‚Π΅ ΠΌΡ‹ ΠΏΠΎΡΡ‚Π°Ρ€Π°Π»ΠΈΡΡŒ Π²Ρ‹ΡΡΠ½ΠΈΡ‚ΡŒ, ΠΊΠ°ΠΊΠΈΠ΅ ΡΠΈΠ³Π½Π°Π»ΡŒΠ½Ρ‹Π΅ ΠΏΡƒΡ‚ΠΈ ΠΊΠ»Π΅Ρ‚ΠΊΠΈ ΡƒΡ‡Π°ΡΡ‚Π²ΡƒΡŽΡ‚ Π² ΠΏΠ΅Ρ€Π΅Π΄Π°Ρ‡Π΅ Π²Ρ‹Π·Π²Π°Π½Π½ΠΎΠ³ΠΎ ΡƒΠ°Π±Π°ΠΈΠ½ΠΎΠΌ сигнала смСрти. ΠœΡ‹ ΠΏΠΎΠΊΠ°Π·Π°Π»ΠΈ, Ρ‡Ρ‚ΠΎ ΠΈΠ·ΠΌΠ΅Π½Π΅Π½ΠΈΠ΅ Π²Π½ΡƒΡ‚Ρ€ΠΈΠΊΠ»Π΅Ρ‚ΠΎΡ‡Π½ΠΎΠΉ ΠΊΠΎΠ½Ρ†Π΅Π½Ρ‚Ρ€Π°Ρ†ΠΈΠΈ Π‘Π°2+, уровня Π°ΠΊΡ‚ΠΈΠ²Π½Ρ‹Ρ… Ρ„ΠΎΡ€ΠΌ кислорода Π½Π΅ ΠΈΠ³Ρ€Π°Π΅Ρ‚ ΠΊΠ»ΡŽΡ‡Π΅Π²ΠΎΠΉ Ρ€ΠΎΠ»ΠΈ Π² Ρ€Π°Π·Π²ΠΈΡ‚ΠΈΠ΅ ΠΊΠ»Π΅Ρ‚ΠΎΡ‡Π½ΠΎΠΉ смСрти ΠΏΠΎΠ΄ дСйствиСм ΡƒΠ°Π±Π°ΠΈΠ½Π°. Π‘ ΠΈΡΠΏΠΎΠ»ΡŒΠ·ΠΎΠ²Π°Π½ΠΈΠ΅ΠΌ Ρ€Π°Π·Π»ΠΈΡ‡Π½Ρ‹Ρ… Π°ΠΊΡ‚ΠΈΠ²Π°Ρ‚ΠΎΡ€ΠΎΠ² ΠΈ ΠΈΠ½Π³ΠΈΠ±ΠΈΡ‚ΠΎΡ€ΠΎΠ² ΡΠΈΠ³Π½Π°Π»ΡŒΠ½Ρ‹Ρ… ΠΏΡƒΡ‚Π΅ΠΉ ΠΌΡ‹ ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π»ΠΈ, Π½Π΅ ΡƒΡ‡Π°ΡΡ‚Π²ΡƒΡŽΡ‚ Π»ΠΈ Π² ΠΏΠ΅Ρ€Π΅Π΄Π°Ρ‡Π΅ сигнала ΠΌΠ°Π»Ρ‹ΠΉ G-Π±Π΅Π»ΠΎΠΊ Ras, ΠΏΡ€ΠΎΡ‚Π΅ΠΈΠ½ΠΊΠΈΠ½Π°Π·Ρ‹ Erk, PI3K, Π° Ρ‚Π°ΠΊΠΆΠ΅ сСрин-Ρ‚Ρ€Π΅ΠΎΠ½ΠΈΠ½ΠΎΠ²Ρ‹Π΅ ΠΏΡ€ΠΎΡ‚Π΅ΠΈΠ½ΠΊΠΈΠ·Ρ‹. Однако с ΠΈΡΠΏΠΎΠ»ΡŒΠ·ΠΎΠ²Π°Π½ΠΈΠ΅ΠΌ этого ΠΏΠΎΠ΄Ρ…ΠΎΠ΄Π° ΠΌΡ‹ Π½Π΅ ΠΎΠ±Π½Π°Ρ€ΡƒΠΆΠΈΠ»ΠΈ ΠΊΠ°ΠΊΠΎΠ³ΠΎ-Π»ΠΈΠ±ΠΎ участия Π½Π°Π·Π²Π°Π½Π½Ρ‹Ρ… систСм Π² ΠΏΠ΅Ρ€Π΅Π΄Π°Ρ‡Π΅ сигнала, Π²Ρ‹Π·Π²Π°Π½Π½ΠΎΠ³ΠΎ связываниСм ΡƒΠ°Π±Π°ΠΈΠ½Π° с Π«Π°, К-АВЀазой ΠΈ ΠΏΡ€ΠΈΠ²ΠΎΠ΄ΡΡ‰Π΅Π³ΠΎ ΠΊ ΡΠΌΠ΅Ρ€Ρ‚ΠΈ ΠΊΠ»Π΅Ρ‚ΠΎΠΊ. ΠŸΡ€ΠΈ ΠΈΠ·ΡƒΡ‡Π΅Π½ΠΈΠΈ Ρ€ΠΎΠ»ΠΈ рН Π²Π½ΡƒΡ‚Ρ€ΠΈΠΊΠ»Π΅Ρ‚ΠΎΡ‡Π½ΠΎΠΉ срСды Π² Ρ€Π°Π·Π²ΠΈΡ‚ΠΈΠΈ сигнала смСрти ΠΌΡ‹ ΠΎΠ±Π½Π°Ρ€ΡƒΠΆΠΈΠ»ΠΈ, Ρ‡Ρ‚ΠΎ сниТСниС рН Ρ 7,36 Π΄ΠΎ 7,03 ΠΏΡ€ΠΈΠ²ΠΎΠ΄ΠΈΡ‚ ΠΊ ΠΏΠΎΠ»Π½ΠΎΠΌΡƒ подавлСнию смСрти ΠΊΠ»Π΅Ρ‚ΠΎΠΊ, ΠΎΠ±Ρ€Π°Π±ΠΎΡ‚Π°Π½Π½Ρ‹Ρ… ΡƒΠ°Π±Π°ΠΈΠ½ΠΎΠΌ. Наши Π΄Π°Π½Π½Ρ‹Π΅ ΠΏΠΎΠ·Π²ΠΎΠ»ΡΡŽΡ‚ ΠΏΡ€Π΅Π΄ΠΏΠΎΠ»ΠΎΠΆΠΈΡ‚ΡŒ, Ρ‡Ρ‚ΠΎ этот эффСкт связан с ΡΠΊΡΠΏΡ€Π΅ΡΡΠΈΠ΅ΠΉ de novo pH¡—Ρ‡ΡƒΠ²ΡΡ‚Π²ΠΈΡ‚Π΅Π»ΡŒΠ½Ρ‹Ρ… Π³Π΅Π½ΠΎΠ², Π²ΠΎΠ²Π»Π΅Ρ‡Π΅Π½Π½Ρ‹Ρ… Π² Π·Π°Ρ‰ΠΈΡ‚Ρƒ ΠΊΠ»Π΅Ρ‚ΠΎΠΊ ΠΎΡ‚ ΠΎΠ½ΠΊΠΎΠ·Π°.

ΠŸΠΎΡΠΊΠΎΠ»ΡŒΠΊΡƒ ΠΏΠΎΠ΄Ρ…ΠΎΠ΄ с ΠΈΡΠΏΠΎΠ»ΡŒΠ·ΠΎΠ²Π°Π½ΠΈΠ΅ΠΌ ΠΈΠ½Π³ΠΈΠ±ΠΈΡ‚ΠΎΡ€ΠΎΠ² ΡΠΈΠ³Π½Π°Π»ΡŒΠ½Ρ‹Ρ… каскадов Π½Π΅ Π΄Π°Π» ΠΈΠ½Ρ„ΠΎΡ€ΠΌΠ°Ρ†ΠΈΠΈ ΠΎ ΠΌΠ΅Ρ…Π°Π½ΠΈΠ·ΠΌΠ΅ развития сигнала, ΠΎΠ±Π΅ΡΠΏΠ΅Ρ‡ΠΈΠ²Π°ΡŽΡ‰Π΅Π³ΠΎ ΡΠΌΠ΅Ρ€Ρ‚ΡŒ ΡΠΏΠΈΡ‚Π΅Π»ΠΈΠ°Π»ΡŒΠ½Ρ‹Ρ… ΠΊΠ»Π΅Ρ‚ΠΎΠΊ, Π° Ρ€Π°Π·Π²ΠΈΡ‚ΠΈΠ΅ сигнала ΠΌΠΎΠΆΠ΅Ρ‚ Π±Ρ‹Ρ‚ΡŒ Π²Ρ‹Π·Π²Π°Π½ΠΎ лишь с Π²Π·Π°ΠΈΠΌΠΎΠ΄Π΅ΠΉΡΡ‚Π²ΠΈΠ΅ΠΌ с Π˜Π°, К-АВЀазой Π²Π½ΡƒΡ‚Ρ€ΠΈΠΊΠ»Π΅Ρ‚ΠΎΡ‡Π½Ρ‹Ρ… Π±Π΅Π»ΠΊΠΎΠ² Π² ΠΎΡ‚Π²Π΅Ρ‚ Π½Π° ΡΠ²ΡΠ·Ρ‹Π²Π°Π½ΠΈΠ΅ с Π½Π΅ΠΉ ΡƒΠ°Π±Π°ΠΈΠ½Π°, ΠΌΡ‹ Ρ€Π΅ΡˆΠΈΠ»ΠΈ Π½Π°ΠΉΡ‚ΠΈ ΠΈ ΠΈΠ΄Π΅Π½Ρ‚ΠΈΡ„ΠΈΡ†ΠΈΡ€ΠΎΠ²Π°Ρ‚ΡŒ эти Π±Π΅Π»ΠΊΠΈ. ΠœΠ΅Ρ‚ΠΎΠ΄ΠΎΠΌ ΠΈΠΌΠΌΡƒΠ½ΠΎΠΏΡ€Π΅Ρ†ΠΈΠΏΠΈΡ‚Π°Ρ†ΠΈΠΈ с ΠΈΡΠΏΠΎΠ»ΡŒΠ·ΠΎΠ²Π°Π½ΠΈΠ΅ΠΌ Π΄Π²ΡƒΡ… Ρ€Π°Π·Π»ΠΈΡ‡Π½Ρ‹Ρ… Π΄Π΅Ρ‚Π΅Ρ€Π³Π΅Π½Ρ‚ΠΎΠ² Π±Ρ‹Π»ΠΎ.

выявлСно Π΄Π²Π° Π½Π°Π±ΠΎΡ€Π° Π±Π΅Π»ΠΎΠ², появлСниС ΠΊΠΎΡ‚ΠΎΡ€Ρ‹Ρ… Π² ΠΈΠΌΠΌΡƒΠ½ΠΎΠΏΡ€Π΅Ρ†ΠΈΠΏΠΈΡ‚Π°Ρ‚Π°Ρ… индуцируСтся ΡƒΠ°Π±Π°ΠΈΠ½ΠΎΠΌ. ΠŸΡ€ΠΈ ΠΎΠ±Ρ€Π°Π±ΠΎΡ‚ΠΊΠ΅ ΠΊΠ»Π΅Ρ‚ΠΎΠΊ НонидСтом Π -40 ΠΌΡ‹ ΠΎΠ±Π½Π°Ρ€ΡƒΠΆΠΈΠ»ΠΈ Π±Π΅Π»ΠΊΠΈ с ΠΌΠΎΠ»Π΅ΠΊΡƒΠ»ΡΡ€Π½Ρ‹ΠΌΠΈ массами 70, 64, 55, 40, ΠΈ 35−34 ΠΊΠ”Π°, Ρ‚ΠΎΠ³Π΄Π° ΠΊΠ°ΠΊ Π² ΡΠ»ΡƒΡ‡Π°Π΅ Π’Ρ€ΠΈΡ‚ΠΎΠ½Π° Π₯-100 — 96−93, 73−70, 48, 40, 39−35 ΠΈ 35−34 ΠΊΠ”Π°. ΠœΠ΅Ρ‚ΠΎΠ΄ΠΎΠΌ масс-спСкгромСтрии Π±Ρ‹Π»ΠΎ ΠΈΠ΄Π΅Π½Ρ‚ΠΈΡ„ΠΈΡ†ΠΈΡ€ΠΎΠ²Π°Π½ΠΎ 18 Π±Π΅Π»ΠΊΠΎΠ², ΠΏΠΎΠ»ΡƒΡ‡Π΅Π½Π½Ρ‹Ρ… ΠΌΠ΅Ρ‚ΠΎΠ΄ΠΎΠΌ ΠΈΠΌΠΌΡƒΠ½ΠΎΠΏΡ€Π΅Ρ†ΠΈΠΏΠΈΡ‚Π°Ρ†ΠΈΠΈ ΠΈΠ· Ρ‚Ρ€ΠΈΡ‚ΠΎΠ½ΠΎΠ²ΠΎΠ³ΠΎ Π»ΠΈΠ·Π°Ρ‚Π°, срСди ΠΊΠΎΡ‚ΠΎΡ€Ρ‹Ρ… Π³Π»ΡŽΠΊΠΎΠΊΠΎΡ€Ρ‚ΠΈΠΊΠΎΠΈΠ΄Π½Ρ‹ΠΉ Ρ€Π΅Ρ†Π΅ΠΏΡ‚ΠΎΡ€, фосфорилированный Π±Π΅Π»ΠΎΠΊ фосфатазы Ρ‚ΠΈΠΏΠ° 2Π‘, фосфорилированный Π±Π΅Π»ΠΎΠΊ 1 ΠΈΠ· ΡΠ΅ΠΌΠ΅ΠΉΡΡ‚Π²Π° Src, Π°ΠΊΡ‚ΠΈΠ²Π°Ρ‚ΠΎΡ€ 1 Π±Π΅Π»ΠΊΠ° Rae GTPa3bi, Π±Π΅Π»ΠΊΠΈ БАМВА1 ΠΈ Π’Π‘О15 775 NID, ΠΈ, Π½Π°ΠΊΠΎΠ½Π΅Ρ†, рСгулируСмая сывороткой/Π³Π»ΡŽΠΊΠΎΠΊΠΎΡ€Ρ‚ΠΈΠΊΠΎΠΈΠ΄Π°ΠΌΠΈ ΠΊΠΈΠ½Π°Π·Π° 2. МоТно ΠΏΡ€Π΅Π΄ΠΏΠΎΠ»ΠΎΠΆΠΈΡ‚ΡŒ, Ρ‡Ρ‚ΠΎ, ΠΏΠΎ ΠΊΡ€Π°ΠΉΠ½Π΅ΠΉ ΠΌΠ΅Ρ€Π΅, Ρ‡Π°ΡΡ‚ΡŒ ΠΎΠ±Π½Π°Ρ€ΡƒΠΆΠ΅Π½Π½Ρ‹Ρ… Π½Π°ΠΌΠΈ Π±Π΅Π»ΠΊΠΎΠ² ΡΠ²Π»ΡΡŽΡ‚ΡΡ участниками сигнального каскада, Π²Π΅Π΄ΡƒΡ‰Π΅Π³ΠΎ ΠΊ ΡΠΌΠ΅Ρ€Ρ‚ΠΈ ΠΊΠ»Π΅Ρ‚ΠΎΠΊ ΠΏΠΎΠ΄ дСйствиСм ΡƒΠ°Π±Π°ΠΈΠ½Π°. ΠœΡ‹ ΠΏΠ»Π°Π½ΠΈΡ€ΡƒΠ΅ΠΌ ΠΏΡ€ΠΎΠ²Π΅Ρ€ΠΈΡ‚ΡŒ это ΠΏΡ€Π΅Π΄ΠΏΠΎΠ»ΠΎΠΆΠ΅Π½ΠΈΠ΅ Π² Π΄Π°Π»ΡŒΠ½Π΅ΠΉΡˆΠ΅ΠΌ с ΠΈΡΠΏΠΎΠ»ΡŒΠ·ΠΎΠ²Π°Π½ΠΈΠ΅ΠΌ соврСмСнных ΠΌΠ΅Ρ‚ΠΎΠ΄ΠΎΠ² молСкулярной Π±ΠΈΠΎΠ»ΠΎΠ³ΠΈΠΈ ΠΈ ΠΏΡ€ΠΎΡ‚Π΅ΠΎΠΌΠΈΠΊΠΈ.

Π’ ΡΠΎΠ²ΠΎΠΊΡƒΠΏΠ½ΠΎΡΡ‚ΠΈ ΠΏΠΎΠ»ΡƒΡ‡Π΅Π½Π½Ρ‹Π΅ Π½Π°ΠΌΠΈ Π΄Π°Π½Π½Ρ‹Π΅ ΠΏΠΎΠ·Π²ΠΎΠ»ΡΡŽΡ‚ ΠΏΡ€Π΅Π΄ΠΏΠΎΠ»ΠΎΠΆΠΈΡ‚ΡŒ ΡΠ»Π΅Π΄ΡƒΡŽΡ‰ΡƒΡŽ модСль дСйствия кардиотоничСских стСроидов ΠΈ pH ΡΡ€Π΅Π΄Ρ‹ Π½Π° Ρ€Π°Π·Π²ΠΈΡ‚ΠΈΠ΅ смСрти ΠΊΠ»Π΅Ρ‚ΠΎΠΊ Π»ΠΈΠ½ΠΈΠΈ C7-MDCK (рис. 56). Богласно этой ΠΌΠΎΠ΄Π΅Π»ΠΈ ΠΏΠΎΠ΄ дСйствиСм ΡƒΠ°Π±Π°ΠΈΠ½Π° ΠΈ ΠΌΠ°Ρ€ΠΈΠ½ΠΎΠ±ΡƒΡ„Π°Π³Π΅Π½ΠΈΠ½Π° происходит ΠΈΠ·ΠΌΠ΅Π½Π΅Π½ΠΈΠ΅ ΠΊΠΎΠ½Ρ„ΠΎΡ€ΠΌΠ°Ρ†ΠΈΠΈ Na, K-ATPa3bi, Ρ‡Ρ‚ΠΎ ΠΏΡ€ΠΈΠ²ΠΎΠ΄ΠΈΡ‚ ΠΊ Ρ€Π΅Π·ΠΊΠΎΠΌΡƒ ΠΈΠ½Π³ΠΈΠ±ΠΈΡ€ΠΎΠ²Π°Π½ΠΈΡŽ Ρ„Π΅Ρ€ΠΌΠ΅Π½Ρ‚Π°. Π’ ΠΎΡ‚Π»ΠΈΡ‡ΠΈΠ΅ ΠΎΡ‚ ΡƒΠ°Π±Π°ΠΈΠ½Π°, ΠΌΠ°Ρ€ΠΈΠ½ΠΎΠ±ΡƒΡ„Π°Π³Π΅Π½ΠΈΠ½ Π½Π΅ ΠΎΠΊΠ°Π·Ρ‹Π²Π°Π΅Ρ‚ токсичСского эффСкта Π½Π° ΠΊΠ»Π΅Ρ‚ΠΊΠΈ ΠΈ Π² Π΅Π³ΠΎ присутствии Π½Π΅ Π½Π°Π±Π»ΡŽΠ΄Π°Π΅Ρ‚ся смСрти ΠΊΠ»Π΅Ρ‚ΠΎΠΊ Π»ΠΈΠ½ΠΈΠΈ C7-MDCK. Одна ΠΈΠ· Π³ΠΈΠΏΠΎΡ‚Π΅Π·, ΠΏΠΎΠ·Π²ΠΎΠ»ΡΡŽΡ‰Π°Ρ ΠΎΠ±ΡŠΡΡΠ½ΠΈΡ‚ΡŒ Π΄Π°Π½Π½ΠΎΠ΅ Ρ€Π°Π·Π»ΠΈΡ‡ΠΈΠ΅ Π² Π΄Π΅ΠΉΡΡ‚Π²ΠΈΠΈ Π΄Π²ΡƒΡ… кардиотоничСских стСроидов Π½Π° ΠΆΠΈΠ·Π½Π΅ΡΠΏΠΎΡΠΎΠ±Π½ΠΎΡΡ‚ΡŒ ΠΊΠ»Π΅Ρ‚ΠΎΠΊ Π·Π°ΠΊΠ»ΡŽΡ‡Π°Π΅Ρ‚ΡΡ Π² ΡΡƒΡ‰Π΅ΡΡ‚Π²ΠΎΠ²Π°Π½ΠΈΠΈ Π΄Π²ΡƒΡ… Ρ€Π°Π·Π½Ρ‹Ρ… ΠΊΠΎΠ½Ρ„ΠΎΡ€ΠΌΠ°Ρ†ΠΈΠΎΠ½Π½Ρ‹Ρ… состояний Na, K-ATPa3bi, ΠΎΠ΄Π½ΠΎ ΠΈΠ· ΠΊΠΎΡ‚ΠΎΡ€Ρ‹Ρ… Π² ΡΠ»ΡƒΡ‡Π°Π΅ ΡƒΠ°Π±Π°ΠΈΠ½Π° Π²Π΅Π΄Π΅Ρ‚ ΠΊ Π°ΠΊΡ‚ΠΈΠ²Π°Ρ†ΠΈΠΈ сигнала смСрти, Ρ‚ΠΎΠ³Π΄Π° ΠΊΠ°ΠΊ ΠΏΠ΅Ρ€Π΅Ρ…ΠΎΠ΄ Π² Π΄Ρ€ΡƒΠ³ΠΎΠ΅ состояниС ΠΏΠΎΠ΄ дСйствиСм ΠΌΠ°Ρ€ΠΈΠ½ΠΎΠ±ΡƒΡ„Π°Π³Π΅Π½ΠΈΠ½Π° Π½Π΅ ΠΏΡ€ΠΈΠ²ΠΎΠ΄ΠΈΡ‚ ΠΊ ΡΠΌΠ΅Ρ€Ρ‚ΠΈ ΠΊΠ»Π΅Ρ‚ΠΎΠΊ. Π Π°Π·Π½Ρ‹ΠΌΠΈ Π³Ρ€ΡƒΠΏΠΏΠ°ΠΌΠΈ исслСдоватСлСй установлСно взаимодСйствиС Na, K-ATPa3bi с Ρ†Π΅Π»Ρ‹ΠΌ рядом Π±Π΅Π»ΠΊΠΎΠ². Π˜Π·Π²Π΅ΡΡ‚Π½Ρ‹ Ρ‚Π°ΠΊΠΆΠ΅ Π΄Π°Π½Π½Ρ‹Π΅ ΠΎ Π²Π»ΠΈΡΠ½ΠΈΠ΅ ΡƒΠ°Π±Π°ΠΈΠ½Π° Π½Π° Π½Π΅ΠΊΠΎΡ‚ΠΎΡ€Ρ‹Π΅ Π±Π΅Π»ΠΎΠΊ-Π±Π΅Π»ΠΊΠΎΠ²Ρ‹Π΅.

взаимодСйствия Ρ„Π΅Ρ€ΠΌΠ΅Π½Ρ‚Π°. Π­Ρ‚ΠΎ ΠΏΡ€Π΅Π΄ΠΏΠΎΠ»ΠΎΠΆΠΈΡ‚ΡŒ, Ρ‡Ρ‚ΠΎ взаимодСйствиС Na, K-ATPa3bi с.

рН ΡΡ€Π΅Π΄Ρ‹.

Π±Π΅Π»ΠΊΠΎΠΌ-ΠΏΠ°Ρ€Ρ‚Π½Π΅Ρ€ΠΎΠΌ опрСдСляСтся ΠΊΠΎΠ½Ρ„ΠΎΡ€ΠΌΠ°Ρ†ΠΈΠΎΠ½Π½Ρ‹ΠΌ состояниСм Na-Hacoca. ΠœΠ΅Ρ‚ΠΎΠ΄ΠΎΠΌ ΠΈΠΌΠΌΡƒΠ½ΠΎΠΏΡ€Π΅Ρ†ΠΈΠΏΠΈΡ‚Π°Ρ†ΠΈΠΈ ΠΌΡ‹ Π²Ρ‹ΡΠ²ΠΈΠ»ΠΈ Π½Π°Π±ΠΎΡ€ Π±Π΅Π»ΠΊΠΎΠ² с ΠΌΠΎΠ»Π΅ΠΊΡƒΠ»ΡΡ€Π½Ρ‹ΠΌΠΈ массами 96−93, 73−70, 70, 64, 55, 48, 40, 39−35 ΠΈ 35−34 ΠΊΠ”Π°, присутствиС ΠΊΠΎΡ‚ΠΎΡ€Ρ‹Ρ… Π² ΠΈΠΌΠΌΡƒΠ½ΠΎΠΏΡ€Π΅Ρ†ΠΈΠΏΠΈΡ‚Π°Ρ‚Π°Ρ… индуцируСтся ΡƒΠ°Π±Π°ΠΈΠ½ΠΎΠΌ, срСди ΠΊΠΎΡ‚ΠΎΡ€Ρ‹Ρ… Π±Ρ‹Π»ΠΈ ΠΈΠ΄Π΅Π½Ρ‚ΠΈΡ„ΠΈΡ†ΠΈΡ€ΠΎΠ²Π°Π½Ρ‹ Ρ€Π΅Ρ†Π΅ΠΏΡ‚ΠΎΡ€ Π³Π»ΡŽΠΊΠΎΠΊΠΎΡ€Ρ‚ΠΈΠΊΠΎΠΈΠ΄ΠΎΠ², фосфорилированная фосфатазы Ρ‚ΠΈΠΏΠ° 2Π‘, фосфорилированный Π±Π΅Π»ΠΎΠΊ 1 ΠΈΠ· ΡΠ΅ΠΌΠ΅ΠΉΡΡ‚Π²Π° Src, Π°ΠΊΡ‚ΠΈΠ²Π°Ρ‚ΠΎΡ€ 1 Π±Π΅Π»ΠΊΠ° Rac Π²Π’Π Π°Π·Ρ‹, Π±Π΅Π»ΠΊΠΈ БАМВА1 ΠΈ Π’Π‘15 775 NID, ΠΈ, Π½Π°ΠΊΠΎΠ½Π΅Ρ†, ΠΊΠΈΠ½Π°Π·Π° 2, рСгулируСмая.

сывороткой/Π³Π»ΡŽΠΊΠΎΠΊΠΎΡ€Ρ‚ΠΈΠΊΠΎΠΈΠ΄Π°ΠΌΠΈ. ΠšΠ°ΠΊΡƒΡŽ Ρ€ΠΎΠ»ΡŒ ΠΈΠ³Ρ€Π°ΡŽΡ‚ Π½Π°ΠΉΠ΄Π΅Π½Π½Ρ‹Π΅ Π±Π΅Π»ΠΊΠΈ Π² Ρ€Π°Π·Π²ΠΈΡ‚ΠΈΠΈ смСрти ΠΊΠ»Π΅Ρ‚ΠΎΠΊ, Π²Ρ‹Π·Π²Π°Π½Π½ΠΎΠΉ ΡƒΠ°Π±Π°ΠΈΠ½ΠΎΠΌ, остаСтся нСясным. ΠžΡΡ‚Π°Π΅Ρ‚ΡΡ Ρ‚Π°ΠΊΠΆΠ΅ нСясным ΠΈ Ρ‚ΠΎ, ΡΠΎΡ…Ρ€Π°Π½ΡΡŽΡ‚ΡΡ Π»ΠΈ ΠΏΠΎΠ΄ΠΎΠ±Π½Ρ‹Π΅ взаимодСйствия Π² ΠΏΡ€ΠΈΡΡƒΡ‚ствии ΠΌΠ°Ρ€ΠΈΠ½ΠΎΠ±ΡƒΡ„Π°Π³Π΅Π½ΠΈΠ½Π° ΠΈΠ»ΠΈ сущСствуСт Π΄Ρ€ΡƒΠ³ΠΎΠΉ Π½Π°Π±ΠΎΡ€ Π±Π΅Π»ΠΊΠΎΠ², Π²Π·Π°ΠΈΠΌΠΎΠ΄Π΅ΠΉΡΡ‚Π²ΡƒΡŽΡ‰ΠΈΡ… с Π«Π°, К-АВРазой ΠΏΠΎΠ΄ дСйствиСм Π΄Π°Π½Π½ΠΎΠ³ΠΎ Π±Π°Ρ„Π°Π΄ΠΈΠ΅Π½ΠΎΠ»ΠΈΠ΄Π°. ΠœΡ‹ Π½Π°Π΄Π΅Π΅ΠΌΡΡ, Ρ‡Ρ‚ΠΎ эти вопросы станут ΠΏΡ€Π΅Π΄ΠΌΠ΅Ρ‚ΠΎΠΌ Π±ΡƒΠ΄ΡƒΡ‰ΠΈΡ… исслСдований.

И, Π½Π°ΠΊΠΎΠ½Π΅Ρ†, ΠΌΡ‹ ΠΏΠΎΠ»ΡƒΡ‡ΠΈΠ»ΠΈ Ρ€Π΅Π·ΡƒΠ»ΡŒΡ‚Π°Ρ‚Ρ‹, ΡƒΠΊΠ°Π·Ρ‹Π²Π°ΡŽΡ‰ΠΈΠ΅ Π½Π° ΡΡƒΡ‰Π΅ΡΡ‚Π²ΠΎΠ²Π°Π½ΠΈΠ΅ Π·Π°Ρ‰ΠΈΡ‚Π½ΠΎΠ³ΠΎ эффСкта закислСния срСды Π² Π΄ΠΈΠ°ΠΏΠ°Π·ΠΎΠ½Π΅ рН ΠΎΡ‚ 7,36 Π΄ΠΎ 7,03, ΠΎΡ‚ Ρ€Π°Π·Π²ΠΈΡ‚ия смСрти ΠΊΠ»Π΅Ρ‚ΠΎΠΊ Π»ΠΈΠ½ΠΈΠΈ Π‘7-МОБК ΠΏΠΎΠ΄ дСйствиСм ΡƒΠ°Π±Π°ΠΈΠ½Π°. По-Π²ΠΈΠ΄ΠΈΠΌΠΎΠΌΡƒ, ΠΏΠΎΠ΄Π°Π²Π»Π΅Π½ΠΈΠ΅ смСрти ΠΊΠ»Π΅Ρ‚ΠΎΠΊ связано с Π²Π·Π°ΠΈΠΌΠΎΠ΄Π΅ΠΉΡΡ‚Π²ΠΈΠ΅ΠΌ ΠΏΡ€ΠΎΡ‚ΠΎΠ½ΠΎΠ² (Н+) с Π½Π΅ΠΈΠ·Π²Π΅ΡΡ‚Π½Ρ‹ΠΌ Π²Π½ΡƒΡ‚Ρ€ΠΈΠΊΠ»Π΅Ρ‚ΠΎΡ‡Π½Ρ‹ΠΌ сСнсором. Π’ ΠΏΡ€ΠΈΡΡƒΡ‚ствии ΠΈΠ½Π³ΠΈΠ±ΠΈΡ‚ΠΎΡ€ΠΎΠ² синтСза РНК (Π°ΠΊΡ‚ΠΈΠ½ΠΎΠΌΠΈΡ†ΠΈΠ½Π° Π”) ΠΈ Π±Π΅Π»ΠΊΠ° (циклогСксамида) Π·Π°Ρ‰ΠΈΡ‚Π½Ρ‹ΠΉ эффСкт срСды с Π·Π°ΠΊΠΈΡΠ»Π΅Π½Π½Ρ‹ΠΌ рН Ρ‡Π°ΡΡ‚ΠΈΡ‡Π½ΠΎ ΡƒΠΌΠ΅Π½ΡŒΡˆΠ°Π΅Ρ‚ΡΡ (ΠΏΠΎΠ΄ дСйствиСм циклогСксимида) ΠΈΠ»ΠΈ практичСски ΠΏΠΎΠ»Π½ΠΎΡΡ‚ΡŒΡŽ исчСзаСт (Π² ΠΏΡ€ΠΈΡΡƒΡ‚ствии Π°ΠΊΡ‚ΠΈΠ½ΠΎΠΌΠΈΡ†ΠΈΠ½Π° Π”). Π­Ρ‚ΠΎ ΡƒΠΊΠ°Π·Ρ‹Π²Π°Π΅Ρ‚, Ρ‡Ρ‚ΠΎ ΠΌΠ΅Ρ…Π°Π½ΠΈΠ·ΠΌ Π·Π°Ρ‰ΠΈΡ‚Ρ‹ ΠΊΠ»Π΅Ρ‚ΠΎΠΊ ΠΎΡ‚ ΡΠΌΠ΅Ρ€Ρ‚ΠΈ, Π²Ρ‹Π·Π²Π°Π½Π½ΠΎΠΉ ΡƒΠ°Π±Π°ΠΈΠ½ΠΎΠΌ, связан с ΡΠΊΡΠΏΡ€Π΅ΡΡΠΈΠ΅ΠΉ Π±Π΅Π»ΠΊΠΎΠ², ΡƒΡ‡Π°ΡΡ‚Π²ΡƒΡŽΡ‰ΠΈΡ… Π² ΠΈΠ½Π³ΠΈΠ±ΠΈΡ€ΠΎΠ²Π°Π½ΠΈΠΈ сигнала ΠΊΠ»Π΅Ρ‚ΠΎΡ‡Π½ΠΎΠΉ смСрти. Однако для Π±ΠΎΠ»Π΅Π΅ Π΄Π΅Ρ‚Π°Π»ΡŒΠ½ΠΎΠ³ΠΎ понимания Π΄Π°Π½Π½ΠΎΠ³ΠΎ Π·Π°Ρ‰ΠΈΡ‚Π½ΠΎΠ³ΠΎ ΠΌΠ΅Ρ…Π°Π½ΠΈΠ·ΠΌΠ° прСдстоит ΠΎΡ‚Π²Π΅Ρ‚ΠΈΡ‚ΡŒ Π΅Ρ‰Π΅ Π½Π° Ρ€ΡΠ΄ вопросов, Π½Π°ΠΏΡ€ΠΈΠΌΠ΅Ρ€, ΠΊΠ°ΠΊΠΎΠ²Π° ΠΏΡ€ΠΈΡ€ΠΎΠ΄Π° Π²Π½ΡƒΡ‚Ρ€ΠΈΠΊΠ»Π΅Ρ‚ΠΎΡ‡Π½ΠΎΠ³ΠΎ рН-сСнсора? КакиС Π±Π΅Π»ΠΊΠΈ ΠΊΠ»Π΅Ρ‚ΠΊΠΈ ΡƒΡ‡Π°ΡΡ‚Π²ΡƒΡŽΡ‚ Π² Π΄Π°Π½Π½ΠΎΠΌ Π·Π°Ρ‰ΠΈΡ‚Π½ΠΎΠΌ ΠΌΠ΅Ρ…Π°Π½ΠΈΠ·ΠΌΠ΅? ΠœΡ‹ Π½Π°Π΄Π΅Π΅ΠΌΡΡ, Ρ‡Ρ‚ΠΎ ΠΎΡ‚Π²Π΅Ρ‚Ρ‹ Π½Π° ΡΡ‚ΠΈ вопросы Π±ΡƒΠ΄ΡƒΡ‚ ΠΏΠΎΠ»ΡƒΡ‡Π΅Π½Ρ‹ Π² Π΄Π°Π»ΡŒΠ½Π΅ΠΉΡˆΠΈΡ… экспСримСнтах.

7. Π’Ρ‹Π²ΠΎΠ΄Ρ‹.

1. 24-Ρ‡ инкубация ΠΊΠ»Π΅Ρ‚ΠΎΠΊ эпитСлия ΠΏΠΎΡ‡Π΅ΠΊ собаки (линия C7-MDCK) с ΠΊΠ°Ρ€Π΄ΠΈΠΎΡ‚оничСскими стСроидами ΠΏΡ€ΠΈΠ²ΠΎΠ΄ΠΈΡ‚ ΠΊ ΡΠΌΠ΅Ρ€Ρ‚ΠΈ ΠΊΠ»Π΅Ρ‚ΠΎΠΊ Π·Π° ΡΡ‡Π΅Ρ‚ взаимодСйствия стСроидов с Π°-ΡΡƒΠ±ΡŠΠ΅Π΄ΠΈΠ½ΠΈΡ†Π΅ΠΉ Na, K-ATPa3bi, Π½ΠΎ Π½Π΅Π·Π°Π²ΠΈΡΠΈΠΌΠΎ ΠΎΡ‚ ΠΈΠ½Π³ΠΈΠ±ΠΈΡ€ΠΎΠ²Π°Π½ΠΈΡ ΠΈΠΎΠ½Π½Ρ‹Ρ… ΠΏΠΎΡ‚ΠΎΠΊΠΎΠ², осущСствляСмых этим Ρ„Π΅Ρ€ΠΌΠ΅Π½Ρ‚ΠΎΠΌ.

2. 50% ΠΈΠ½Π³ΠΈΠ±ΠΈΡ€ΠΎΠ²Π°Π½ΠΈΠ΅ Na, K-ATPa3bi Π½Π°Π±Π»ΡŽΠ΄Π°Π΅Ρ‚ΡΡ ΠΏΡ€ΠΈ ΠΎΠ΄ΠΈΠ½Π°ΠΊΠΎΠ²ΠΎΠΉ ΠΊΠΎΠ½Ρ†Π΅Π½Ρ‚Ρ€Π°Ρ†ΠΈΠΈ ΠΌΠ°Ρ€ΠΈΠ½ΠΎΠ±ΡƒΡ„Π°Π³Π΅Π½ΠΈΠ½Π° ΠΈ ΡƒΠ°Π±Π°ΠΈΠ½Π° (1 мкМ) Π² Ρ‚ΠΎ Π²Ρ€Π΅ΠΌΡ ΠΊΠ°ΠΊ индуцированная ΠΌΠ°Ρ€ΠΈΠ½ΠΎΠ±ΡƒΡ„Π°Π³Π΅Π½ΠΈΠ½ΠΎΠΌ ΡΠΌΠ΅Ρ€Ρ‚ΡŒ ΠΊΠ»Π΅Ρ‚ΠΎΠΊ Π½Π°Π±Π»ΡŽΠ΄Π°Π΅Ρ‚ΡΡ ΠΏΡ€ΠΈ Π±ΠΎΠ»Π΅Π΅ высокой ΠΊΠΎΠ½Ρ†Π΅Π½Ρ‚Ρ€Π°Ρ†ΠΈΠΈ ΠΏΠΎ ΡΡ€Π°Π²Π½Π΅Π½ΠΈΡŽ с Π΄Ρ€ΡƒΠ³ΠΈΠΌΠΈ кардиотоничСскими стСроидами (ID50 0,2 ΠΈ > 10 мкМ для ΡƒΠ°Π±Π°ΠΈΠ½Π° ΠΈ ΠΌΠ°Ρ€ΠΈΠ½ΠΎΠ±ΡƒΡ„Π°Π³Π΅Π½ΠΈΠ½Π° соотвСтствСнно).

3. Π”ΠΎΠ±Π°Π²Π»Π΅Π½ΠΈΠ΅ ΠΊ ΠΊΠ»Π΅Ρ‚ΠΊΠ°ΠΌ Π»ΠΈΠ½ΠΈΠΈ C7-MDCK ΠΈΠ½Π³ΠΈΠ±ΠΈΡ‚ΠΎΡ€ΠΎΠ² ΡΠΈΠ³Π½Π°Π»ΡŒΠ½Ρ‹Ρ… каскадов,.

Π²ΠΎΠ·Π΄Π΅ΠΉΡΡ‚Π²ΡƒΡŽΡ‰ΠΈΡ… Π½Π° Π±Π΅Π»ΠΎΠΊ Ras, Ρ‚ΠΈΡ€ΠΎΠ·ΠΈΠ½ΠΎΠ²Ρ‹Π΅ ΠΏΡ€ΠΎΡ‚Π΅ΠΈΠ½ΠΊΠΈΠ½Π°Π·Ρ‹, ΠΏΡ€ΠΎΡ‚Π΅ΠΈΠ½ΠΊΠΈΠ½Π°Π·Ρ‹ Erk,.

ΠΏΡ€ΠΎΡ‚Π΅ΠΈΠ½ΠΊΠΈΠ½Π°Π·Ρ‹ Π‘, фосфотидилинозитид-3-ΠΊΠΈΠ½Π°Π·Ρ‹, Π²Π½ΡƒΡ‚Ρ€ΠΈΠΊΠ»Π΅Ρ‚ΠΎΡ‡Π½ΡƒΡŽ ΠΊΠΎΠ½Ρ†Π΅Π½Ρ‚Ρ€Π°Ρ†ΠΈΡŽ Π‘Π° Π°ΠΊΡ‚ΠΈΠ²Π½Ρ‹Π΅ Ρ„ΠΎΡ€ΠΌΡ‹ кислорода, Π±Π΅Π»ΠΊΠΈ цитоскСлСта Π½Π΅ Π²Π»ΠΈΡΠ΅Ρ‚ Π½Π° Ρ€Π°Π·Π²ΠΈΡ‚ΠΈΠ΅ ΠΊΠ»Π΅Ρ‚ΠΎΡ‡Π½ΠΎΠΉ смСрти, Π²Ρ‹Π·Π²Π°Π½Π½ΠΎΠΉ ΡƒΠ°Π±Π°ΠΈΠ½ΠΎΠΌ.

4. Π‘Π½ΠΈΠΆΠ΅Π½ΠΈΠ΅ рН Ρ†ΠΈΡ‚ΠΎΠΏΠ»Π°Π·ΠΌΡ‹ ΠΊΠ»Π΅Ρ‚ΠΎΠΊ Π»ΠΈΠ½ΠΈΠΈ C7-MDCK с 7,2 Π΄ΠΎ 6,9 ΠΏΠΎΠ»Π½ΠΎΡΡ‚ΡŒΡŽ ΠΏΡ€Π΅Π΄ΠΎΡ‚Π²Ρ€Π°Ρ‰Π°Π΅Ρ‚ ΡΠΌΠ΅Ρ€Ρ‚ΡŒ ΠΊΠ»Π΅Ρ‚ΠΎΠΊ, Π²Ρ‹Π·Π²Π°Π½Π½ΡƒΡŽ ΡƒΠ°Π±Π°ΠΈΠ½ΠΎΠΌ. Π—Π°Ρ‰ΠΈΡ‚Π½ΠΎΠ΅ дСйствиС кислых рН ΡƒΡΡ‚Ρ€Π°Π½ΡΠ΅Ρ‚ΡΡ Π² ΠΏΡ€ΠΈΡΡƒΡ‚ствии ΠΈΠ½Π³ΠΈΠ±ΠΈΡ‚ΠΎΡ€ΠΎΠ² синтСза РНК ΠΈ Π±Π΅Π»ΠΊΠ°.

5. Π‘ ΠΈΡΠΏΠΎΠ»ΡŒΠ·ΠΎΠ²Π°Π½ΠΈΠ΅ΠΌ Π΄Π²ΡƒΠΌΠ΅Ρ€Π½ΠΎΠ³ΠΎ элСктрофорСза установлСно, Ρ‡Ρ‚ΠΎ ΠΎΠ±Ρ€Π°Π±ΠΎΡ‚ΠΊΠ° ΠΊΠ»Π΅Ρ‚ΠΎΠΊ Π»ΠΈΠ½ΠΈΠΈ Басо-2 ΡƒΠ°Π±Π°ΠΈΠ½ΠΎΠΌ, приводящая ΠΊ ΡΠΌΠ΅Ρ€Ρ‚ΠΈ ΠΊΠ»Π΅Ρ‚ΠΎΠΊ ΠΏΠΎ ΠΌΠ΅Ρ…Π°Π½ΠΈΠ·ΠΌΡƒ, Ρ…Π°Ρ€Π°ΠΊΡ‚Π΅Ρ€Π½ΠΎΠΌΡƒ для ΠΊΠ»Π΅Ρ‚ΠΎΠΊ Π»ΠΈΠ½ΠΈΠΈ C7-MDCK, ΠΏΡ€ΠΈΠ²ΠΎΠ΄ΠΈΡ‚ ΠΊ ΠΏΠΎΡΠ²Π»Π΅Π½ΠΈΡŽ Π² ΠΈΠΌΠΌΡƒΠ½ΠΎΠΏΡ€Π΅Ρ†ΠΈΠΏΠΈΡ‚Π°Ρ‚Π°Ρ…, осаТдаСмых Π°Π½Ρ‚ΠΈΡ‚Π΅Π»Π°ΠΌΠΈ ΠΏΡ€ΠΎΡ‚ΠΈΠ² al-ΡΡƒΠ±ΡŠΠ΅Π΄ΠΈΠ½ΠΈΡ†Ρ‹ Na, K-ATPa3bi, 29 Π½ΠΎΠ²Ρ‹Ρ… Π±Π΅Π»ΠΊΠΎΠ².

6. Для 18 Π±Π΅Π»ΠΊΠΎΠ², ΠΏΡ€Π΅Ρ†ΠΈΠΏΠΈΡ‚ΠΈΡ€ΡƒΡŽΡ‰ΠΈΡ… совмСстно с Π«Π°, К-АВРазой ΠΈΠ· Π»ΠΈΠ·Π°Ρ‚Π° ΠΊΠ»Π΅Ρ‚ΠΎΠΊ Π»ΠΈΠ½ΠΈΠΈ Басо-2 послС ΠΎΠ±Ρ€Π°Π±ΠΎΡ‚ΠΊΠΈ ΡƒΠ°Π±Π°ΠΈΠ½ΠΎΠΌ, ΠΏΡ€ΠΎΠ²Π΅Π΄Π΅Π½ масс-спСктромСтричСский Π°Π½Π°Π»ΠΈΠ· ΠΏΡ€ΠΎΠ΄ΡƒΠΊΡ‚ΠΎΠ² трипсинолиза. Π‘ Π±ΠΎΠ»ΡŒΡˆΠΎΠΉ Π΄ΠΎΠ»Π΅ΠΉ вСроятности 5 ΠΈΠ· ΡΡ‚ΠΈΡ… 18 Π±Π΅Π»ΠΊΠΎΠ² ΡΠ²Π»ΡΡŽΡ‚ΡΡ: Ρ€Π΅Ρ†Π΅ΠΏΡ‚ΠΎΡ€ΠΎΠΌ Π³Π»ΡŽΠΊΠΎΠΊΠΎΡ€Ρ‚ΠΈΠΊΠΎΠΈΠ΄ΠΎΠ², фосфорилированной фосфатазой Ρ‚ΠΈΠΏΠ° 2Π‘, фосфорилированным Π±Π΅Π»ΠΊΠΎΠΌ 1 сСмСйства Src, Π°ΠΊΡ‚ΠΈΠ²Π°Ρ‚ΠΎΡ€ΠΎΠΌ 1 Π±Π΅Π»ΠΊΠ° Rac-GTPa3a, Π±Π΅Π»ΠΊΠΎΠΌ БАМВА1, содСрТащим Π°Π½ΠΊΠΈΡ€ΠΈΠ½ΠΎΠ²Ρ‹Π΅ ΠΏΠΎΠ²Ρ‚ΠΎΡ€Ρ‹. ΠšΡ€ΠΎΠΌΠ΅ Ρ‚ΠΎΠ³ΠΎ, Π΄Π²Π° Π±Π΅Π»ΠΊΠ° ΠΈΠ· 18 содСрТат Π΄ΠΎΠΌΠ΅Π½Ρ‹, ΠΏΡ€ΠΈΡΡƒΡ‚ΡΡ‚Π²ΡƒΡŽΡ‰ΠΈΠ΅ Ρƒ ΡΠ΅Ρ€ΠΈΠ½ΠΎΠ²Ρ‹Ρ… (Ρ‚Ρ€Π΅ΠΎΠ½ΠΈΠ½ΠΎΠ²Ρ‹Ρ…) ΠΏΡ€ΠΎΡ‚Π΅ΠΈΠ½ΠΊΠΈΠ½Π°Π·.

8.

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Π’ Π·Π°ΠΊΠ»ΡŽΡ‡Π΅Π½ΠΈΠΈ я Ρ…ΠΎΡ‚Π΅Π»Π° Π±Ρ‹ искрСннС ΠΏΠΎΠ±Π»Π°Π³ΠΎΠ΄Π°Ρ€ΠΈΡ‚ΡŒ своих Π½Π°ΡƒΡ‡Π½Ρ‹Ρ… Ρ€ΡƒΠΊΠΎΠ²ΠΎΠ΄ΠΈΡ‚Π΅Π»Π΅ΠΉ БСргСя НиколаСвича ΠžΡ€Π»ΠΎΠ²Π° ΠΈ ΠžΠ»ΡŒΠ³Ρƒ Π”ΠΌΠΈΡ‚Ρ€ΠΈΠ΅Π²Π½Ρƒ Π›ΠΎΠΏΠΈΠ½Ρƒ Π·Π° Π²ΠΎΠ·ΠΌΠΎΠΆΠ½ΠΎΡΡ‚ΡŒ Ρ€Π°Π±ΠΎΡ‚Π°Ρ‚ΡŒ Π² ΠΈΡ… Π»Π°Π±ΠΎΡ€Π°Ρ‚ориях, Π·Π° Π½Π΅ΠΎΡ†Π΅Π½ΠΈΠΌΡƒΡŽ ΠΏΠΎΠΌΠΎΡ‰ΡŒ Π² Ρ€Π°Π±ΠΎΡ‚Π΅, Π·Π° ΠΏΡ€ΠΈΠΎΠ±Ρ€Π΅Ρ‚Π΅Π½Π½Ρ‹Π΅ знания, ΠΊΠΎΡ‚ΠΎΡ€Ρ‹ΠΌ я Π½Π°ΡƒΡ‡ΠΈΠ»Π°ΡΡŒ Π·Π° Π²Ρ€Π΅ΠΌΡ совмСстной Ρ€Π°Π±ΠΎΡ‚Ρ‹, ΠΈ Ρ‚Π΅ΠΏΠ»ΠΎΠ΅ ΠΎΡ‚Π½ΠΎΡˆΠ΅Π½ΠΈΠ΅ ΠΊΠΎ ΠΌΠ½Π΅.

Π― Π±Π»Π°Π³ΠΎΠ΄Π°Ρ€Π½Π° ΠΠ°Ρ‚Π°Π»ΡŒΠΈ Π’Π»Π°Π΄ΠΈΠΌΠΈΡ€ΠΎΠ²Π½Π΅ ΠœΠ°Π΅Ρ‚, ΠΠ°Ρ‚Π°Π»ΡŒΠΈ Π’Π°Π»Π΅Ρ€ΡŒΠ΅Π²Π½Π΅ Π”ΠΎΠ»Π³ΠΎΠ²ΠΎΠΉ ΠΈ Π‘Π΅Π±Π°ΡΡ‚ΡŒΡΠ½Ρƒ Π’ΠΎΡ€Π°Π½ Π·Π° Ρ‚Π΅ Ρ†Π΅Π½Π½Ρ‹Π΅ совСты ΠΈ ΠΏΠΎΠΌΠΎΡ‰ΡŒ Π² ΠΎΠ±ΡΡƒΠΆΠ΄Π΅Π½ΠΈΠΈ ΠΏΠΎΠ»ΡƒΡ‡Π΅Π½Π½Ρ‹Ρ… Ρ€Π΅Π·ΡƒΠ»ΡŒΡ‚Π°Ρ‚ΠΎΠ².

Π― Ρ‚Π°ΠΊΠΆΠ΅ Ρ…ΠΎΡ‚Π΅Π»Π° Π±Ρ‹ ΠΏΠΎΠ±Π»Π°Π³ΠΎΠ΄Π°Ρ€ΠΈΡ‚ΡŒ своих Ρ€ΠΎΠ΄ΠΈΡ‚Π΅Π»Π΅ΠΉ, ΠΊΠΎΡ‚ΠΎΡ€Ρ‹Π΅ ΠΏΠΎΠ΄Π΄Π΅Ρ€ΠΆΠΈΠ²Π°Π»ΠΈ мСня всС это врСмя, ΠΈ Π±Π΅Π· ΠΏΠΎΠΌΠΎΡ‰ΠΈ ΠΊΠΎΡ‚ΠΎΡ€Ρ‹Ρ… данная Ρ€Π°Π±ΠΎΡ‚Π° Π½Π΅ Π±Ρ‹Π»Π° Π±Ρ‹ Π·Π°Π²Π΅Ρ€ΡˆΠ΅Π½Π°.

ΠŸΠΎΠΊΠ°Π·Π°Ρ‚ΡŒ вСсь тСкст

Бписок Π»ΠΈΡ‚Π΅Ρ€Π°Ρ‚ΡƒΡ€Ρ‹

  1. Π‘Π½ΠΈΠΆΠ΅Π½ΠΈΠ΅ рН Ρ†ΠΈΡ‚ΠΎΠΏΠ»Π°Π·ΠΌΡ‹ ΠΊΠ»Π΅Ρ‚ΠΎΠΊ Π»ΠΈΠ½ΠΈΠΈ C7-MDCK с 7,2 Π΄ΠΎ 6,9 ΠΏΠΎΠ»Π½ΠΎΡΡ‚ΡŒΡŽ ΠΏΡ€Π΅Π΄ΠΎΡ‚Π²Ρ€Π°Ρ‰Π°Π΅Ρ‚ ΡΠΌΠ΅Ρ€Ρ‚ΡŒ ΠΊΠ»Π΅Ρ‚ΠΎΠΊ, Π²Ρ‹Π·Π²Π°Π½Π½ΡƒΡŽ ΡƒΠ°Π±Π°ΠΈΠ½ΠΎΠΌ. Π—Π°Ρ‰ΠΈΡ‚Π½ΠΎΠ΅ дСйствиС кислых рН ΡƒΡΡ‚Ρ€Π°Π½ΡΠ΅Ρ‚ΡΡ Π² ΠΏΡ€ΠΈΡΡƒΡ‚ствии ΠΈΠ½Π³ΠΈΠ±ΠΈΡ‚ΠΎΡ€ΠΎΠ² синтСза РНК ΠΈ Π±Π΅Π»ΠΊΠ°.
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