Frontiers in Medicinal Chemistry

Volume: 1

Nitric Oxide Therapies in Vascular Diseases

Author(s): E.M. Kurowska

Pp: 501-512 (12)

DOI: 10.2174/978160805204210401010501

* (Excluding Mailing and Handling)

Abstract

Endothelial dysfunction defined as the impaired ability of vascular endothelium to stimulate vasodilation plays a key role in the development of atherosclerosis and in various pathological conditions which predispose to atherosclerosis, such as hypercholesterolemia, hypertension, type 2 diabetes, hyperhomocyst(e)inemia and chronic renal failure. The major cause of the endothelial dysfunction is decreased bioavailability of nitric oxide (NO), a potent biological vasodilator produced in vascular endothelium from Larginine by the endothelial NO synthase (eNOS). In vascular diseases, the bioavailability of NO can be impaired by various mechanisms, including decreased NO production by eNOS, and/or enhanced NO breakdown due to increased oxidative stress. The deactivation of eNOS is often associated with elevated plasma levels of its endogenous inhibitor, NG NG-dimethyl-L-arginine (ADMA). In hypercholesterolemia, a systemic deficit of NO may also increase the levels of low density lipoproteins (LDL) by modulating its synthesis and metabolism by the liver, as suggested by recent in vivo and in vitro studies using organic NO donors. Therapeutic strategies aiming to reduce the risk of vascular diseases by increasing bioavailability of NO continue to be developed. Cholesterollowering drugs, statins, have been shown to improve endothelial function in patients with hypercholesterolemia and atherosclerosis. Promising results were also obtained in some, but not all, vascular diseases after treatment with antioxidant vitamins (C and E) and after administration of eNOS substrate, L-arginine, or its cofactor, tetrahydrobiopterin (BH4). Novel strategies, which may produce beneficial changes in the vascular endothelium, include the use of natural extracts from plant foods rich in phytochemicals.

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      • 13. app/Models/UserAccess/UserAccess.php:1266
      • 14. app/Http/Controllers/ChapterController.php:1518
      • 15. vendor/laravel/framework/src/Illuminate/Routing/Controller.php:54
      • 16. vendor/laravel/framework/src/Illuminate/Routing/ControllerDispatcher.php:43
      • 17. vendor/laravel/framework/src/Illuminate/Routing/Route.php:260
    • (select j.user_access_id,j.volume_id,j.user_id,j.from_ip,j.to_ip,j.type,j.track,"Trial Access" as access_base_text, CASE j.type WHEN 111 THEN true ELSE false END as terms_popup, "S" as content_download_type, null as restricted_user_access_key, null as restricted_user_access_type, CASE j.track WHEN 0 THEN false ELSE true END as tracksAccessByVolume,"chapter" as access_level, j.chapter_id from `user_access_chapter_trail` as `j` inner join `user_access_info` as `info` on `j`.`user_access_id` = `info`.`user_access_id` where ((j.from_ip <= 59769557 and j.to_ip >=59769557 )) and ((j.from_date <= 1739834929 and j.to_date >= 1739834929 and j.perpetual= 0) or (j.from_date is null and j.to_date is null and j.perpetual= 1)) and j.chapter_id = 2284) union (select j.user_access_id,j.volume_id,j.user_id,j.from_ip,j.to_ip,j.type,j.track,"Subscribed" as access_base_text, false as terms_popup, "S" as content_download_type, null as restricted_user_access_key, null as restricted_user_access_type, CASE j.track WHEN 0 THEN false ELSE true END as tracksAccessByVolume,"chapter" as access_level, j.chapter_id from `user_access_chapter_corporate` as `j` inner join `user_access_info` as `info` on `j`.`user_access_id` = `info`.`user_access_id` where ((j.from_ip <= 59769557 and j.to_ip >=59769557 )) and ((j.from_date <= 1739834929 and j.to_date >= 1739834929 and j.perpetual= 0) or (j.from_date is null and j.to_date is null and j.perpetual= 1)) and j.chapter_id = 2284) union (select j.user_access_id,j.volume_id,j.user_id,j.from_ip,j.to_ip,j.type,j.track,"Token Based Access" as access_base_text, false as terms_popup, "R" as content_download_type, j.uc_id as restricted_user_access_key, "v" as restricted_user_access_type, CASE j.track WHEN 0 THEN false ELSE true END as tracksAccessByVolume,"chapter" as access_level, j.chapter_id from `user_access_chapter_token` as `j` inner join `user_access_info` as `info` on `j`.`user_access_id` = `info`.`user_access_id` where ((j.from_ip <= 59769557 and j.to_ip >=59769557 )) and ((j.from_date <= 1739834929 and j.to_date >= 1739834929 and j.perpetual= 0) or (j.from_date is null and j.to_date is null and j.perpetual= 1)) and j.chapter_id = 2284)
      510μsalphaeurekaselec_live_10_06_2022UserAccess.php#1266
      Backtrace
      • 13. app/Models/UserAccess/UserAccess.php:1266
      • 14. app/Http/Controllers/ChapterController.php:1549
      • 15. vendor/laravel/framework/src/Illuminate/Routing/Controller.php:54
      • 16. vendor/laravel/framework/src/Illuminate/Routing/ControllerDispatcher.php:43
      • 17. vendor/laravel/framework/src/Illuminate/Routing/Route.php:260
    • select b.banner_link, b.banner_name, b.banner_script, b.banner_remarks, b.banner_file_name, b.banner_placement, bd.content_type, bd.content_id from `tbl_banner` as `b` inner join `tbl_banner_detail` as `bd` on `bd`.`banner_id` = `b`.`banner_id` inner join `users` as `u` on `u`.`id` = `b`.`updated_by` where `b`.`banner_ebook` = 1 and `bd`.`content_type` = 'B' and `bd`.`content_id` = 948 and `b`.`banner_from_date` <= 1739834929 and `b`.`banner_to_date` >= 1739834929 and `b`.`banner_status` = 'A' order by `b`.`banner_id` desc
      1.02msalphaeurekaselec_live_10_06_2022Banner.php#95
      Bindings
      • 0: 1
      • 1: B
      • 2: 948
      • 3: 1739834929
      • 4: 1739834929
      • 5: A
      Backtrace
      • 13. app/Models/Banner.php:95
      • 14. app/Http/helpers.php:404
      • 17. vendor/laravel/framework/src/Illuminate/Filesystem/Filesystem.php:124
      • 18. vendor/laravel/framework/src/Illuminate/View/Engines/PhpEngine.php:58
      • 19. vendor/laravel/framework/src/Illuminate/View/Engines/CompilerEngine.php:73
    • select count(*) as aggregate from `uc_cart_products` where cart_id='b3aee4b309370e35934ff6a765108e20'
      180μsalphaeurekaselec_live_10_06_2022Cart.php#271
      Backtrace
      • 15. app/Models/Cart.php:271
      • 16. view::layouts._header:260
      • 18. vendor/laravel/framework/src/Illuminate/Filesystem/Filesystem.php:124
      • 19. vendor/laravel/framework/src/Illuminate/View/Engines/PhpEngine.php:58
      • 20. vendor/laravel/framework/src/Illuminate/View/Engines/CompilerEngine.php:73
    App\Models\Chapter
    1Chapter.php#?
    App\Models\Ebook
    1Ebook.php#?
        _token
        9ehv1i2FRYOby8w2RGwcYhO5vH27JZuNcdrAxGiC
        uc_cart_id
        b3aee4b309370e35934ff6a765108e20
        _previous
        array:1 [ "url" => "https://alpha.eurekaselect.com/chapter/2284" ]
        _flash
        array:2 [ "old" => [] "new" => [] ]
        PHPDEBUGBAR_STACK_DATA
        []
        path_info
        /chapter/2284
        status_code
        200
        
        status_text
        OK
        format
        html
        content_type
        text/html; charset=UTF-8
        request_query
        []
        
        request_request
        []
        
        request_headers
        0 of 0
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        request_cookies
        0 of 0
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        response_headers
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        ClearShow all
        Date ↕MethodURLData
        #12025-02-17 23:28:49GET/chapter/2284112192