فهرست:
خلاصه فارسی................................................................................................................................................................. 1
فصل اول: کلیات
1- 1.ضرورت و اهمیت موضوع......................................................................................................................................... 3
1- 2.هدف...............................................................................................................................................................................3
فصل دوم: بررسی متون و مطالعات دیگران در این زمینه
بخش اول:بررسی متون
2-1-1. مقدمه.................................................................................................................................................................. ......5
2-1-2. تاریخچه.............................................................................................................................................................. ......7
2-1-3. التهاب................................................................................................................................................................. ......7
2-1-3-1. علایم التهاب......................................................................................................................................................9
2-1-3-2. مدیاتور های التهاب.........................................................................................................................................9
2-1-3-3. پاسخ التهابی.......................................................................................................................................................9
2-1-4. ایکوزانوئیدها..........................................................................................................................................................11
2-1-4-1. تعریف.............................................................................................................................................................. 11
2-1-4-2. ساختمان و بیوسنتز......................................................................................................................................11
2-1-5. مسیر سیکلواکسیژناز..........................................................................................................................................14
2-1-5-1. پروستاگلاندینها.............................................................................................................................................18
2-1-5-1-1. تاریخچه...................................................................................................................................................... 18
2-1-5-1-2. ساختمان.................................................................................................................................................... 18
2-1-5-2. اثرات بیولوژیک پروستانوئیدها................................................................................................................... 19
2-1-5-2-1. نقش پروستانوئیدها در فرآیند درد و التهاب..................................................................................... 21
2-1-6-3.آنزیم سیکلواکسیژناز و ایزوفرمهای آن..................................................................................................21
2-1-5-3-1.ساختمان بیوشیمیایی ایزوفرمهای آنزیم سیکلو اکسیژناز..............................................................22
2-1-5-3-2.ساختمان سه بعدی آنزیم سیکلو اکسیژناز..........................................................................................23
2-1-5-3-3.جایگاه فعال سیکلواکسیژنازی.............................................................................................................. 25
2-1-5-3-4.مقایسهی جایگاه فعال سیکلواکسیژنازی cox-1وcox-2 ........................................................... 27
2-1-5-3-5.مقایسهی cox-1 و cox-2 دراتصال به مهارکنندههای سیکلو اکسیژناز...................................29
2-1-5-3-6. بررسی ساختار کریستالی کمپلکس آنزیم cox-1 و مهار کننده............................................... 30
2-1-5-3-7.بررسی ساختار کریستالی کمپلکس آنزیم cox-2-مهار کننده ................................................. 31
2-1-6.مهار کنندههای سیکلواکسیژناز..................................................................................................................... 33
2-1-6-1.مهار کنندههای کلاسیک (غیرانتخابی).................................................................................................. 34
2-1-6-1-1.طبقهبندی ساختمانی مهار کنندگان غیر انتخابی آنزیم سیکلو اکسیژناز................................. 34
2-1-6-1-1-1.سالیسیلاتها.................................................................................................................................... 38
2-1-6-1-1-2. آریل آلکانوئیک اسیدها..................................................................................................................39
2-1-6-1-1-3. N–آریل آنترانیلیک اسید ها (فنامات ها)............................................................................... 40
2-1-6-1-1-4. انوئیک اسیدها (اکسیکامها)........................................................................................................ 41
2-6-1-2.مکانیسم مهار آنزیم سیکلو اکسیژناز توسط مهار کنندگان غیر انتخابی...................................... 42
2-1-6-1-3.کاربردهای درمانی مهار کنندگان غیر انتخابی آنزیم سیکلو اکسیژناز......................................43
2-1-6-1-3-1. فعالیت ضد التهابی داروهای ضد التهاب غیر استروئی...................................................... 43
2-1-6-1-3-2.اثرات ضد تب داروهای ضد التهاب غیر استروئیدی................................................................ 44
2-1-6-1-3.عوارض جانبی مهار کنندگان غیر انتخابی آنزیم سیکلو اکسیژناز............................................. 44
2-1-6-1-4-1. عوارض گوارشی............................................................................................................................. 45
2-1-6-1-4-2. عوارض پوستی :............................................................................................................................ 47
2-1-6-1-4-3. عوارض کلیوی :............................................................................................................................. 47
2-1-6-1-4-4. عوارض کبدی :.............................................................................................................................. 48
2-1-6-1-4-5. اثرات داروهای ضد التهاب غیر استروئیدی بر پلاکت ها...................................................... 48
2-1-6-1-4-6. واکنش حساسیت به نور:............................................................................................................ 48
2-1-6-2. مهارکننده های انتخابی COX2 ...................................................................................................... 48
2-1-6-2-1. طبقهبندی ساختمانی مهار کنندگان انتخابی cox-2 ............................................................. 49
2-1-7. مسیر لیپوکسیژناز........................................................................................................................................ 50
2-1-8-1. لکوترینها.............................................................................................................................................. 50
2-1-7-1-1. بیوسنتز............................................................................................................................................... 51
2-1-7-1-2. اثرات بیولوژیک لکوترینها............................................................................................................. 54
2-1-7-1-3. اثرات لکوترینها در فرآیند التهاب............................................................................................... 55
2-1-7-2. مهارکنندههای لکوترینها:..................................................................................................................... 56
2-1-7-2-1. آنتیاکسیدانها:................................................................................................................................... 56
2-1-7-2-2. شلات کنندههای آهن:.................................................................................................................... 57
2-1-7-2-3. مهار کنندههای رقابتی:................................................................................................................... 58
............................................................................................................... 59FLAP. مهارکنندههای 2-1-7-2-4
2-1-7-2-5. آنتاگونیست رسپتور لکوترینها:.................................................................................................... 60
2-1-8. مسیرهاغیر آنزیماتیک............................................................................................................................... 61
2-1-8-1. مسیر ایزوپروستان................................................................................................................................. 61
2-1-8-2. مالون دی آلدهید................................................................................................................................... 64
2-1-8-4.3 هیدروکسی نوننال 4-Hydroxynonenal .......................................................................... 65
2-1-8-4. نقش سوپراکسید و نیتریک اکسید در فرآیندهای التهابی........................................................... 66
بخش دوم:مطالعات دیگران دراین زمینه
2-2-1. بررسی مطالعات دیگران در این زمینه.................................................................................................... 70
2-2-2. مهار کنندههای همزمان COX/LOX :............................................................................................ 71
2-2-2-1.NSAID های اصلاح شده: ............................................................................................................... 71
2-2-2-2. مشتقات ان-آریل فتالیمیدها:................................................................................................................71
فصل سوم: مواد وروشها
3-3.مراحل فارماکولوژیک......................................................................................................................................... 76
3-3-1.حیوانات.......................................................................................................................................................... 76
3-3-2.تهیهی نمونهها جهت انجام تستهای فارماکولوژیک........................................................................... 76
3-3-3.اثرات ضد التهابی.......................................................................................................................................... 77
3-3-5.انالیز اماری داده ها.........................................................................................................................................78
فصل چهارم: نتایج
فصل پنجم: بحث و نتیجهگیری
بحث و نتیجه گیری................................................................................................................................................ 94
خلاصه انگلیسی.......................................................................................................................................................99 منابع..........................................................................................................................................................................
ندارد.
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