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Selen skyddar neuroner i hjärnan

Selen skyddar neuroner i hjärnanSelenet ingår i omkring 25 livsviktiga selenoproteiner, härunder ett antal antioxidanter som skyddar cellerna mot oxidativ stress och sjukdom. En forskargrupp från München har nu klargjort de närmare mekanismerna varvid seleninnehållande antioxidanter skyddar neuroner i hjärnan mot celldöd. Forskarna ser därför en ny potential i selenets förmåga att skydda mot neurologiska sjukdomar och cancer. Samtidigt är det problematiskt att selenbrist är vanligt i vår del av världen, och att det uppenbart är svårt att mätta alla selenoproteiner, även om man följer de officiella kostrekommendationerna.

Selen upptäcktes för 200 år sedan av den svenske forskaren Jacob Berzelius, och grundämnet blev uppkallat efter den grekiska mångudinnan Selene. Selen används bland annat i den kemiska industrin. Selen och selensalter är giftiga i stora mängder, och det är bara under de senaste årtiondena som man har upptäckt hur ett antal organiska selenföreningar är avgörande. Detta gäller bland annat energiomsättningen, ämnesomsättningen, immunförsvaret, fertiliteten och inte minst i form av olika antioxidanter som skyddar cellerna mot oxidativ stress.
Kroppen utsätts för oxidativ stress när det finns en störning i balansen mellan antioxidanter och fria radikaler. Det finns några aggressiva molekyler som skapar farliga kedjereaktioner inuti cellerna och mellan cellerna. De fria radikalerna är en biprodukt av andningen, och mängden ökar avsevärt vid stress, åldrande, inflammation, förgiftning, tobaksrökning och bestrålning. Således är de fria radikalerna och oxidativ stress involverad i de flesta sjukdomar och celldöd.

Svar på gammal gåta

En forskargrupp från Institute of Developmental Genetics (IDG) vid Helmholtz Zentrum München har nu hittat svaret på en gammal gåta som ytterligare förklarar varför seleninnehållande antioxidanter är så viktiga.
Normalt ska utslitna och sjuka celler begå programmerad celldöd, även kallat apoptos, för att ge plats åt nya celler. Och det säger sig själv att cellerna så långt som möjligt måste skyddas mot oxidativ stress, slitage och sjukdom, och att apoptos inte får överdrivas.
I detta avseende har forskarna i åratal undersökt processen med en ganska nyupptäckt typ av celldöd som kallas ferroptos, där järn är involverat (ferro = järn). Och här visar det sig att det seleninnehållande enzymet GPX4 (glutationperoxidas 4), som fungerar som en kraftfull antioxidant, spelar en viktig roll.
För att förstå processen studerade forskarna möss som hade fått manipulerat GPX4, eftersom forskarna hade ersatt innehållet av selen med svavel, som selen har vissa likheter med. Men svavel är ingen antioxidant.
Det visade sig att inget av mössen som hade fått ersatt selen med svavel i GPX4 kunde överleva i mer än tre veckor, och mössen dog på grund av neurologiska komplikationer.

Vid brist på selenhaltiga GPX4-antioxidanter går speciella neuroner förlorade

Forskarna identifierade därefter några speciella neuroner, som var frånvarande i mössens hjärnor när de led brist på selenhaltiga GPX4-antioxidanter.
I senare studier kunde forskare visa att dessa neuroner gick förlorade under hjärnans utveckling efter födseln, när selen ersattes med svavel i GPX4.
Forskarna kunde också påvisa att ferroptos utlöses av oxidativ stress, vilket också kan uppstå när det föreligger en hög metabolisk aktivitet och hög aktivitet i neuronerna.
För första gången är det nu konstaterat att selen spelar en viktig roll vid utvecklingen och bevarandet av en viss typ av neuroner efter födseln. De seleninnehållande GXP4-antioxidanterna skyddar helt enkelt dessa neuroner från oxidativ stress och celldöd som orsakas av ferroptos.
I framtida studier kommer Marcus Conrad och hans forskargrupp från München att undersöka närmare hur ferroptos utlöses i cellerna under olika förhållanden. Syftet med studierna är att kunna förebygga eller lindra cancer och neurodegenerativa sjukdomar, som det för närvarande är svårt att behandla. Det verkar nämligen som om selen spelar en avgörande roll. Detta om vi får tillräckligt för att mätta GPX4 och de andra selenoproteinerna.

Fakta om selen, GPX och celldöd

  • Selen ingår i omkring 25 selenhaltiga proteiner, härunder GPX 1-6.
  • GPX4 fungerar som en antioxidant som skyddar neuronerna mot oxidativ stress.
  • GPX4 motverkar ferroptos i hjärnans neuroner.
  • Ferroptos är en form av programmerad celldöd.
  • Ferroptos härrör från det latinska ordet ferro (= järn) och det grekiska ordet ptosis (= fall).

Även om vi äter hälsosamt kan det vara svårt att få tillräckligt med selen

Selen finns särskilt i fisk, skaldjur, inälvsmat, ägg, mejeriprodukter och paranötter. Och även om fisk och skaldjur anses vara goda källor kan vi inte få nog ens genom att äta fisk och skaldjur fem dagar i veckan. Detta framgår av en studie som utfördes av forskare från bland annat den danska organisationen Kræftens Bekæmpelse.

100 mikrogram selen per dag kan mätta ett viktigt selenoprotein

Selenoprotein P är ett viktigt selenhaltigt protein som används som markör för blodets selenstatus. Studier visar emellertid att RI, som är satt till 55 mikrogram, inte räcker för att mätta selenoprotein P. För att mätta detta protein måste man få cirka 100 mikrogram selen per dag, vilket är ungefär två gånger mer än de officiella rekommendationerna.

Referenser

HELMHOLTZ ZENTRUM MÜNCHEN – GERMAN RESEARCH FOR ENVIROMENTAL HEALTH
https://www.eurekalert.org/pub_releases/2017-12/hzm--spa122917.php

https://www.sciencedaily.com/releases/2017/12/171229095132.htm

https://phys.org/news/2018-01-selenium-specific-interneurons-brain.html

https://phys.org/news/2018-01-selenium-specific-interneurons-brain.html

Lutz Shomburg. Dietary Selenium and Human Health. Nutrients 2017
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5295066/

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  • SELECT `a`.`id`,`a`.`asset_id`,`a`.`title`,`a`.`alias`,`a`.`introtext`,`a`.`fulltext`,`a`.`state`,`a`.`catid`,`a`.`created`,`a`.`created_by`,`a`.`created_by_alias`,`a`.`modified`,`a`.`modified_by`,`a`.`checked_out`,`a`.`checked_out_time`,`a`.`publish_up`,`a`.`publish_down`,`a`.`images`,`a`.`urls`,`a`.`attribs`,`a`.`version`,`a`.`ordering`,`a`.`metakey`,`a`.`metadesc`,`a`.`access`,`a`.`hits`,`a`.`metadata`,`a`.`featured`,`a`.`language`,`fp`.`featured_up`,`fp`.`featured_down`,`c`.`title` AS `category_title`,`c`.`alias` AS `category_alias`,`c`.`access` AS `category_access`,`c`.`language` AS `category_language`,`fp`.`ordering`,`u`.`name` AS `author`,`parent`.`title` AS `parent_title`,`parent`.`id` AS `parent_id`,`parent`.`path` AS `parent_route`,`parent`.`alias` AS `parent_alias`,`parent`.`language` AS `parent_language`,ROUND(`v`.`rating_sum` / `v`.`rating_count`, 1) AS `rating`,`v`.`rating_count` AS `rating_count` FROM `has_content` AS `a` INNER JOIN `has_categories` AS `c` ON `c`.`id` = `a`.`catid` LEFT JOIN `has_content_frontpage` AS `fp` ON `fp`.`content_id` = `a`.`id` LEFT JOIN `has_users` AS `u` ON `u`.`id` = `a`.`created_by` LEFT JOIN `has_categories` AS `parent` ON `parent`.`id` = `c`.`parent_id` LEFT JOIN `has_content_rating` AS `v` ON `a`.`id` = `v`.`content_id` WHERE ( (`a`.`id` = :pk AND `c`.`published` > 0 AND `a`.`language` IN (:preparedArray1,:preparedArray2)) AND (`a`.`publish_up` IS NULL OR `a`.`publish_up` <= :publishUp)) AND (`a`.`publish_down` IS NULL OR `a`.`publish_down` >= :publishDown) AND `a`.`state` IN (:preparedArray3,:preparedArray4)665μs22.19KBParams/components/com_content/src/Model/ArticleModel.php:215Copy
  • SELECT `c`.`id`,`c`.`asset_id`,`c`.`access`,`c`.`alias`,`c`.`checked_out`,`c`.`checked_out_time`,`c`.`created_time`,`c`.`created_user_id`,`c`.`description`,`c`.`extension`,`c`.`hits`,`c`.`language`,`c`.`level`,`c`.`lft`,`c`.`metadata`,`c`.`metadesc`,`c`.`metakey`,`c`.`modified_time`,`c`.`note`,`c`.`params`,`c`.`parent_id`,`c`.`path`,`c`.`published`,`c`.`rgt`,`c`.`title`,`c`.`modified_user_id`,`c`.`version`, CASE WHEN CHAR_LENGTH(`c`.`alias`) != 0 THEN CONCAT_WS(':', `c`.`id`, `c`.`alias`) ELSE `c`.`id` END as `slug` FROM `has_categories` AS `s` INNER JOIN `has_categories` AS `c` ON (`s`.`lft` < `c`.`lft` AND `c`.`lft` < `s`.`rgt` AND `c`.`language` IN (:preparedArray3,:preparedArray4)) OR (`c`.`lft` <= `s`.`lft` AND `s`.`rgt` <= `c`.`rgt`) WHERE (`c`.`extension` = :extension OR `c`.`extension` = 'system') AND `c`.`access` IN (:preparedArray1,:preparedArray2) AND `c`.`published` = 1 AND `s`.`id` = :id ORDER BY `c`.`lft`4.18ms3.98KBParams/libraries/src/Categories/Categories.php:375Copy
  • SELECT `m`.`tag_id`,`t`.* FROM `has_contentitem_tag_map` AS `m` INNER JOIN `has_tags` AS `t` ON `m`.`tag_id` = `t`.`id` WHERE `m`.`type_alias` = :contentType AND `m`.`content_item_id` = :id AND `t`.`published` = 1 AND `t`.`access` IN (:preparedArray1,:preparedArray2) AND `language` IN (:preparedArray3,:preparedArray4)9.8ms4.09KBParams/libraries/src/Helper/TagsHelper.php:388Copy
  • SELECT `c`.`id`,`c`.`asset_id`,`c`.`access`,`c`.`alias`,`c`.`checked_out`,`c`.`checked_out_time`,`c`.`created_time`,`c`.`created_user_id`,`c`.`description`,`c`.`extension`,`c`.`hits`,`c`.`language`,`c`.`level`,`c`.`lft`,`c`.`metadata`,`c`.`metadesc`,`c`.`metakey`,`c`.`modified_time`,`c`.`note`,`c`.`params`,`c`.`parent_id`,`c`.`path`,`c`.`published`,`c`.`rgt`,`c`.`title`,`c`.`modified_user_id`,`c`.`version`, CASE WHEN CHAR_LENGTH(`c`.`alias`) != 0 THEN CONCAT_WS(':', `c`.`id`, `c`.`alias`) ELSE `c`.`id` END as `slug` FROM `has_categories` AS `s` INNER JOIN `has_categories` AS `c` ON (`s`.`lft` < `c`.`lft` AND `c`.`lft` < `s`.`rgt` AND `c`.`language` IN (:preparedArray3,:preparedArray4)) OR (`c`.`lft` <= `s`.`lft` AND `s`.`rgt` <= `c`.`rgt`) WHERE (`c`.`extension` = :extension OR `c`.`extension` = 'system') AND `c`.`access` IN (:preparedArray1,:preparedArray2) AND `c`.`published` = 1 AND `s`.`id` = :id ORDER BY `c`.`lft`1.8ms3.98KBParams/libraries/src/Categories/Categories.php:375Copy
  • SELECT DISTINCT a.id, a.title, a.name, a.checked_out, a.checked_out_time, a.note, a.state, a.access, a.created_time, a.created_user_id, a.ordering, a.language, a.fieldparams, a.params, a.type, a.default_value, a.context, a.group_id, a.label, a.description, a.required, a.only_use_in_subform,l.title AS language_title, l.image AS language_image,uc.name AS editor,ag.title AS access_level,ua.name AS author_name,g.title AS group_title, g.access as group_access, g.state AS group_state, g.note as group_note FROM has_fields AS a LEFT JOIN `has_languages` AS l ON l.lang_code = a.language LEFT JOIN has_users AS uc ON uc.id=a.checked_out LEFT JOIN has_viewlevels AS ag ON ag.id = a.access LEFT JOIN has_users AS ua ON ua.id = a.created_user_id LEFT JOIN has_fields_groups AS g ON g.id = a.group_id LEFT JOIN `has_fields_categories` AS fc ON fc.field_id = a.id WHERE ( (`a`.`context` = :context AND (`fc`.`category_id` IS NULL OR `fc`.`category_id` IN (:preparedArray1,:preparedArray2,:preparedArray3)) AND `a`.`access` IN (:preparedArray4,:preparedArray5)) AND (`a`.`group_id` = 0 OR `g`.`access` IN (:preparedArray6,:preparedArray7)) AND `a`.`state` = :state) AND (`a`.`group_id` = 0 OR `g`.`state` = :gstate) AND `a`.`only_use_in_subform` = :only_use_in_subform AND `a`.`language` IN (:preparedArray8,:preparedArray9) ORDER BY a.ordering ASC312μs4.81KBParams/libraries/src/MVC/Model/BaseDatabaseModel.php:166Copy
  • SELECT `alias` FROM `has_content` WHERE `id` = :id1.22ms1.31KBParams/components/com_content/src/Service/Router.php:168Copy
  • SELECT `alias` FROM `has_content` WHERE `id` = :id88μs1.31KBParams/components/com_content/src/Service/Router.php:168Copy
  • SELECT `m`.`id`,`m`.`title`,`m`.`module`,`m`.`position`,`m`.`content`,`m`.`showtitle`,`m`.`params`,`mm`.`menuid` FROM `has_modules` AS `m` LEFT JOIN `has_modules_menu` AS `mm` ON `mm`.`moduleid` = `m`.`id` LEFT JOIN `has_extensions` AS `e` ON `e`.`element` = `m`.`module` AND `e`.`client_id` = `m`.`client_id` WHERE ( ( (`m`.`published` = 1 AND `e`.`enabled` = 1 AND `m`.`client_id` = :clientId AND `m`.`access` IN (:preparedArray1,:preparedArray2)) AND (`m`.`publish_up` IS NULL OR `m`.`publish_up` <= :publishUp)) AND (`m`.`publish_down` IS NULL OR `m`.`publish_down` >= :publishDown)) AND (`mm`.`menuid` = :itemId OR `mm`.`menuid` <= 0) AND `m`.`language` IN (:preparedArray3,:preparedArray4) ORDER BY `m`.`position`,`m`.`ordering`4.06ms212.84KBParams/libraries/src/Cache/Controller/CallbackController.php:51Copy
  • SELECT `a`.`id`,`a`.`title`,`a`.`catid`,`a`.`language`, CASE WHEN CHAR_LENGTH(`a`.`alias`) != 0 THEN CONCAT_WS(':', `a`.`id`, `a`.`alias`) ELSE a.id END AS `slug`, CASE WHEN CHAR_LENGTH(`cc`.`alias`) != 0 THEN CONCAT_WS(':', `cc`.`id`, `cc`.`alias`) ELSE cc.id END AS `catslug` FROM `has_content` AS `a` LEFT JOIN `has_categories` AS `cc` ON `cc`.`id` = `a`.`catid` WHERE `a`.`catid` = :catid AND `a`.`state` = :state AND `a`.`access` IN (:preparedArray1,:preparedArray2) AND (`publish_up` IS NULL OR `publish_up` <= :nowDate1) AND (`publish_down` IS NULL OR `publish_down` >= :nowDate2) AND `a`.`language` IN (:preparedArray3,:preparedArray4) ORDER BY CASE WHEN `a`.`publish_up` IS NULL THEN `a`.`created` ELSE `a`.`publish_up` END DESC11.14ms109.75KBParams/plugins/content/pagenavigation/src/Extension/PageNavigation.php:188Copy
  • SELECT `c`.`id`,`c`.`asset_id`,`c`.`access`,`c`.`alias`,`c`.`checked_out`,`c`.`checked_out_time`,`c`.`created_time`,`c`.`created_user_id`,`c`.`description`,`c`.`extension`,`c`.`hits`,`c`.`language`,`c`.`level`,`c`.`lft`,`c`.`metadata`,`c`.`metadesc`,`c`.`metakey`,`c`.`modified_time`,`c`.`note`,`c`.`params`,`c`.`parent_id`,`c`.`path`,`c`.`published`,`c`.`rgt`,`c`.`title`,`c`.`modified_user_id`,`c`.`version`, CASE WHEN CHAR_LENGTH(`c`.`alias`) != 0 THEN CONCAT_WS(':', `c`.`id`, `c`.`alias`) ELSE `c`.`id` END as `slug` FROM `has_categories` AS `s` INNER JOIN `has_categories` AS `c` ON (`s`.`lft` < `c`.`lft` AND `c`.`lft` < `s`.`rgt` AND `c`.`language` IN (:preparedArray3,:preparedArray4)) OR (`c`.`lft` <= `s`.`lft` AND `s`.`rgt` <= `c`.`rgt`) WHERE (`c`.`extension` = :extension OR `c`.`extension` = 'system') AND `c`.`access` IN (:preparedArray1,:preparedArray2) AND `c`.`published` = 1 AND `s`.`id` = :id ORDER BY `c`.`lft`1.1ms3.98KBParams/libraries/src/Categories/Categories.php:375Copy
  • SELECT custom_data FROM has_extensions WHERE element = 'yootheme' AND folder = 'system' LIMIT 1124μs536B/templates/yootheme/packages/platform-joomla/src/Storage.php:30Copy
  • SELECT `language`,`id` FROM `has_menu` WHERE `home` = '1' AND `published` = 1 AND `client_id` = 0766μs704B/libraries/src/Language/Multilanguage.php:123Copy
  • SELECT `alias` FROM `has_content` WHERE `id` = :id1.95ms1.31KBParams/components/com_content/src/Service/Router.php:168Copy
  • SELECT `alias` FROM `has_content` WHERE `id` = :id86μs1.31KBParams/components/com_content/src/Service/Router.php:168Copy
  • SELECT `c2`.`language`,CONCAT_WS(':', `c2`.`id`, `c2`.`alias`) AS `id`,CONCAT_WS(':', `ca`.`id`, `ca`.`alias`) AS `catid` FROM `has_content` AS `c` INNER JOIN `has_associations` AS `a` ON `a`.`id` = `c`.`id` AND `a`.`context` = :context INNER JOIN `has_associations` AS `a2` ON `a`.`key` = `a2`.`key` INNER JOIN `has_content` AS `c2` ON `a2`.`id` = `c2`.`id` INNER JOIN `has_categories` AS `ca` ON `c2`.`catid` = `ca`.`id` AND `ca`.`extension` = :extension2 WHERE `c`.`id` = :id AND c2.access IN (1,5) AND c2.language != 'sv-SE' AND (c2.publish_up IS NULL OR c2.publish_up <= '2025-02-12 07:37:09') AND (c2.publish_down IS NULL OR c2.publish_down >= '2025-02-12 07:37:09') AND c2.state = 14ms3.97KBParams/libraries/src/Language/Associations.php:145Copy
  • SELECT `a`.`id`,`a`.`title`,`a`.`alias`,`a`.`introtext`,`a`.`fulltext`,`a`.`checked_out`,`a`.`checked_out_time`,`a`.`catid`,`a`.`created`,`a`.`created_by`,`a`.`created_by_alias`,`a`.`modified`,`a`.`modified_by`,CASE WHEN `a`.`publish_up` IS NULL THEN `a`.`created` ELSE `a`.`publish_up` END AS `publish_up`,`a`.`publish_down`,`a`.`images`,`a`.`urls`,`a`.`attribs`,`a`.`metadata`,`a`.`metakey`,`a`.`metadesc`,`a`.`access`,`a`.`hits`,`a`.`featured`,`a`.`language`,LENGTH(`a`.`fulltext`) AS `readmore`,`a`.`ordering`,`fp`.`featured_up`,`fp`.`featured_down`,CASE WHEN `c`.`published` = 2 AND `a`.`state` > 0 THEN 2 WHEN `c`.`published` != 1 THEN 0 ELSE `a`.`state` END AS `state`,`c`.`title` AS `category_title`,`c`.`path` AS `category_route`,`c`.`access` AS `category_access`,`c`.`alias` AS `category_alias`,`c`.`language` AS `category_language`,`c`.`published`,`c`.`published` AS `parents_published`,`c`.`lft`,CASE WHEN `a`.`created_by_alias` > ' ' THEN `a`.`created_by_alias` ELSE `ua`.`name` END AS `author`,`ua`.`email` AS `author_email`,`uam`.`name` AS `modified_by_name`,`parent`.`title` AS `parent_title`,`parent`.`id` AS `parent_id`,`parent`.`path` AS `parent_route`,`parent`.`alias` AS `parent_alias`,`parent`.`language` AS `parent_language`,COALESCE(NULLIF(ROUND(`v`.`rating_sum` / `v`.`rating_count`, 1), 0), 0) AS `rating`,COALESCE(NULLIF(`v`.`rating_count`, 0), 0) AS `rating_count` FROM `has_content` AS `a` LEFT JOIN `has_categories` AS `c` ON `c`.`id` = `a`.`catid` LEFT JOIN `has_users` AS `ua` ON `ua`.`id` = `a`.`created_by` LEFT JOIN `has_users` AS `uam` ON `uam`.`id` = `a`.`modified_by` LEFT JOIN `has_categories` AS `parent` ON `parent`.`id` = `c`.`parent_id` LEFT JOIN `has_content_frontpage` AS `fp` ON `fp`.`content_id` = `a`.`id` LEFT JOIN `has_content_rating` AS `v` ON `a`.`id` = `v`.`content_id` WHERE `a`.`access` IN (:preparedArray1,:preparedArray2) AND `c`.`access` IN (:preparedArray3,:preparedArray4) AND `c`.`published` = 1 AND `a`.`state` = :condition AND (`a`.`publish_up` IS NULL OR `a`.`publish_up` <= :publishUp) AND (`a`.`publish_down` IS NULL OR `a`.`publish_down` >= :publishDown) AND `a`.`language` IN (:preparedArray5,:preparedArray6) ORDER BY RAND() ASC LIMIT 10120ms143.16KBParams/libraries/src/MVC/Model/BaseDatabaseModel.php:166Copy
  • SELECT `c2`.`language`,`c2`.`id` FROM `has_menu` AS `c` INNER JOIN `has_associations` AS `a` ON `a`.`id` = `c`.`id` AND `a`.`context` = :context INNER JOIN `has_associations` AS `a2` ON `a`.`key` = `a2`.`key` INNER JOIN `has_menu` AS `c2` ON `a2`.`id` = `c2`.`id` WHERE `c`.`id` = :id2.13ms1.38KBParams/libraries/src/Language/Associations.php:145Copy
  • SELECT `name`,`element` FROM `has_extensions` WHERE `type` = 'plugin' AND `folder` = 'finder' AND `enabled` = 1207μs640B/administrator/components/com_finder/src/Helper/LanguageHelper.php:135Copy
  • SELECT `title` FROM `has_finder_taxonomy` WHERE `parent_id` = 1 AND `state` = 1 AND `access` IN (1,5)147μs584B/administrator/components/com_finder/src/Indexer/Taxonomy.php:314Copy
  • SELECT DISTINCT a.id, a.title, a.name, a.checked_out, a.checked_out_time, a.note, a.state, a.access, a.created_time, a.created_user_id, a.ordering, a.language, a.fieldparams, a.params, a.type, a.default_value, a.context, a.group_id, a.label, a.description, a.required, a.only_use_in_subform,l.title AS language_title, l.image AS language_image,uc.name AS editor,ag.title AS access_level,ua.name AS author_name,g.title AS group_title, g.access as group_access, g.state AS group_state, g.note as group_note FROM has_fields AS a LEFT JOIN `has_languages` AS l ON l.lang_code = a.language LEFT JOIN has_users AS uc ON uc.id=a.checked_out LEFT JOIN has_viewlevels AS ag ON ag.id = a.access LEFT JOIN has_users AS ua ON ua.id = a.created_user_id LEFT JOIN has_fields_groups AS g ON g.id = a.group_id WHERE ( (`a`.`context` = :context AND `a`.`access` IN (:preparedArray1,:preparedArray2)) AND (`a`.`group_id` = 0 OR `g`.`access` IN (:preparedArray3,:preparedArray4)) AND `a`.`state` = :state) AND (`a`.`group_id` = 0 OR `g`.`state` = :gstate) AND `a`.`only_use_in_subform` = :only_use_in_subform AND `a`.`language` IN (:preparedArray5,:preparedArray6) ORDER BY a.ordering ASC298μs4.75KBParams/libraries/src/MVC/Model/BaseDatabaseModel.php:166Copy
  • SELECT `title` FROM `has_finder_taxonomy` WHERE `parent_id` = 1 AND `state` = 1 AND `access` IN (1,5)143μs584B/administrator/components/com_finder/src/Indexer/Taxonomy.php:314Copy
  • SELECT SUM(CASE WHEN `a`.`next_execution` <= :now THEN 1 ELSE 0 END) AS due_count,SUM(CASE WHEN `a`.`locked` IS NULL THEN 0 ELSE 1 END) AS locked_count FROM `has_scheduler_tasks` AS `a` WHERE `a`.`state` = 1121μs1.37KBParams/administrator/components/com_scheduler/src/Model/TasksModel.php:466Copy
  • SELECT `session_id` FROM `has_session` WHERE `session_id` = ?100μs1KBParams/libraries/vendor/joomla/session/src/Handler/DatabaseHandler.php:291Copy
  • UPDATE `has_session` SET `data` = ? , `time` = ? WHERE `session_id` = ?4.14ms592BParams/libraries/vendor/joomla/session/src/Handler/DatabaseHandler.php:318Copy