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Como o HIV mata tantas células T CD4 | Vida e evolução | Khan Academy
Video: Como o HIV mata tantas células T CD4 | Vida e evolução | Khan Academy

Litaba

CD4 count ke eng?

CD4 count ke teko e lekanyang palo ea lisele tsa CD4 maling a hao. Lisele tsa CD4, tse tsejoang hape e le lisele tsa T, ke lisele tse tšoeu tsa mali tse loantšang tšoaetso mme li bapala karolo ea bohlokoa boits'irelong ba hau ba 'mele. Palo ea CD4 e sebelisetsoa ho lekola bophelo bo botle ba sesole sa 'mele ho batho ba tšoaelitsoeng ke HIV (human immunodeficiency virus).

HIV e hlasela le ho senya lisele tsa CD4. Haeba lisele tsa CD4 li lahlehile, sesole sa hau sa 'mele se tla ba le bothata ba ho loants'a mafu. Palo ea CD4 e ka thusa mofani oa tlhokomelo ea bophelo ho fumana hore na o kotsing ea mathata a tebileng a tsoang ho HIV. Teko e ka hlahloba hape ho bona hore na meriana ea HIV e sebetsa hantle hakae.

Mabitso a mang: CD4 lymphocyte count, CD4 + count, T4 count, T-helper cell count, liperesente tsa CD4

E sebelisetsoa eng?

Palo ea CD4 e ka sebelisoa ho:

  • Bona kamoo HIV e amang sesole sa hau sa 'mele. Sena se ka thusa mofani oa hao oa tlhokomelo ea bophelo ho fumana hore na o kotsing e kholo ea mathata a lefu lena.
  • Etsa qeto ea hore na o tla qala kapa o fetole meriana ea hau ea HIV
  • Hlahloba AIDS (e fumanoeng ke lefu la ho itšireletsa mafung)
    • Mabitso a HIV le AIDS ka bobeli a sebelisetsoa ho hlalosa lefu le le leng. Empa batho ba bangata ba nang le HIV ha ba na AIDS. AIDS e fumanwa ha palo ya CD4 ya hao e le tlase haholo.
    • AIDS ke mofuta o matla ka ho fetisisa oa tšoaetso ea HIV. E senya sesole sa 'mele hampe mme e ka lebisa ho tšoaetso e nkang monyetla. Tsena ke maemo a tebileng, a atisang ho beha bophelo kotsing, a sebelisang monyetla oa sesole sa 'mele se fokolang haholo.

U kanna ua hloka palo ea CD4 haeba u kentsoe setho. Bakuli ba fetisang litho tsa 'mele ba noa meriana e khethehileng ho netefatsa hore sesole sa' mele se ke ke sa hlasela setho se secha. Bakeng sa bakuli bana, palo e tlase ea CD4 e ntle, 'me ho bolela hore moriana oa sebetsa.


Hobaneng ke hloka palo ea CD4?

Mofani oa hao oa tlhokomelo ea bophelo a ka odara palo ea CD4 ha u qala ho fumanoa u na le HIV. Mohlomong u tla hlahlojoa hape likhoeli tse 'maloa ho bona hore na lipalo tsa hau li fetohile ho tloha tekong ea hau ea pele. Haeba u alafshoa HIV, mofani oa hao oa tlhokomelo ea bophelo a ka odara lipalo tsa CD4 khafetsa ho bona hore na meriana ea hau e sebetsa hantle hakae.

Mofani oa hau a ka kenyelletsa liteko tse ling ka palo ea hau ea CD4, ho kenyelletsa:

  • Karolelano ea CD4-CD8. Lisele tsa CD8 ke mofuta o mong oa lisele tse tšoeu tsa mali masoleng a mmele. Lisele tsa CD8 li bolaea lisele tsa mofetše le bahlaseli ba bang. Teko ena e bapisa lipalo tsa lisele tse peli ho fumana mohopolo o betere oa ts'ebetso ea boits'ireletso ba mmele.
  • Tekanyo ea vaerase ea HIV, teko e lekanyang boholo ba HIV maling a hao.

Ho etsahalang nakong ea palo ea CD4?

Ngaka ea tlhokomelo ea bophelo e tla nka sampole ea mali mothapong o letsohong la hao, e sebelisa nale e nyane. Kamora hore nalete e kenngoe, ho tla bokelloa mali a manyane ka har'a pompo ea liteko. U ka ikutloa u hlaba hanyane ha nale e kena kapa e tsoa. Hangata hona ho nka nako e ka tlase ho metsotso e mehlano.


Na ke tla hloka ho etsa eng kapa eng ho itokisetsa tlhahlobo?

Ha o hloke litokisetso tse khethehileng bakeng sa palo ea CD4.

Na ho na le likotsi tsa tlhahlobo?

Ho na le kotsi e nyane haholo ea ho etsa tlhahlobo ea mali. U kanna oa ba le mahlaba a fokolang kapa ho longoa moo nale e kentsoeng teng, empa matšoao a mangata a fela kapele.

Liphetho li bolelang?

Liphetho tsa CD4 li fanoa e le lisele tse 'maloa ka milimitara ea mali. Ka tlase lethathamo la liphetho tse tloaelehileng. Liphetho tsa hau li ka fapana ho latela bophelo ba hau ba 'mele esita le lab e sebelisetsoang liteko. Haeba u na le lipotso mabapi le liphetho tsa hau, bua le mofani oa tlhokomelo ea bophelo.

  • E tloaelehileng: Lisele tse 500-1,200 ka li-millimeter tsa cubic
  • E sa tloaelehang: Lisele tse 250-500 ka milimitara e 'ngoe le e' ngoe. Ho bolela hore o na le boits'ireletso ba mmele bo fokolang mme o ka tšoaetsoa HIV.
  • E sa tloaelehang: Lisele tse 200 kapa tse seng kae ka limilimithara tse 'ngoe. E supa AIDS le kotsi e kholo ea tšoaetso ea menyetla e sokelang bophelo.

Le ha ho se na pheko ea HIV, ho na le meriana e fapaneng eo u ka e sebelisang ho sireletsa sesole sa hau sa 'mele ebile e ka u thibela ho fumana AIDS. Kajeno, batho ba nang le tšoaetso ea HIV ba phela halelele ho feta, ba phela hamolemo ho feta neng kapa neng. Haeba u phela le tšoaetso ea HIV, ho bohlokoa ho bona mofani oa tlhokomelo ea bophelo ba hau khafetsa.


Ithute haholoanyane ka liteko tsa laboratori, libaka tsa litšupiso, le liphetho tsa kutloisiso.

Litšupiso

  1. AIDSinfo [Inthanete]. Rockville (MD): Lefapha la Bophelo le Litšebeletso tsa Botho la U.S. Lenane la HIV / AIDS: Acquired Immunodeficiency Syndrome (AIDS); [e ntlafalitsoeng 2017 Nov 29; e qotsitsoeng ka 2017 Nov 29]; [li-skrini tse ka bang 3]. E fumaneha ho tsoa ho: https://aidsinfo.nih.gov/understanding-hiv-aids/glossary/3/acquired-immunodeficiency-syndrome
  2. AIDSinfo [Inthanete]. Rockville (MD): Lefapha la Bophelo le Litšebeletso tsa Botho la U.S. Lenane la HIV / AIDS: Palo ea CD4; [e ntlafalitsoeng 2017 Nov 29; e qotsitsoeng ka 2017 Nov 29]; [li-skrini tse ka bang 3]. E fumaneha ho tsoa ho: https://aidsinfo.nih.gov/understanding-hiv-aids/glossary/822/cd4-count
  3. Litsi tsa Tlhokomelo le Thibelo ea Maloetse [Internet]. Atlanta: Lefapha la Bophelo le Litšebeletso tsa Botho la U.S. Mabapi le HIV / AIDS; [e ntlafalitsoeng ka 2017 Mots'eanong 30; e qotsitsoeng ka 2017 Nov 29]; [li-skrini tse ka bang 3]. E fumaneha ho tsoa ho: https://www.cdc.gov/hiv/basics/whatishiv.html
  4. Litsi tsa Tlhokomelo le Thibelo ea Maloetse [Internet]. Atlanta: Lefapha la Bophelo le Litšebeletso tsa Botho la U.S. Ho phela le HIV; [e ntlafalitsoeng 2017 Aug 22; e qotsitsoeng ka 2017 Phato 4]; [li-skrini tse ka bang 9]. E fumaneha ho tsoa ho: https://www.cdc.gov/hiv/basics/livingwithhiv/index.html
  5. Litsi tsa Tlhokomelo le Thibelo ea Maloetse [Internet]. Atlanta: Lefapha la Bophelo le Litšebeletso tsa Botho la U.S. Ho lekoa; [e ntlafalitsoeng 2017 Sep 14; e qotsitsoeng ka 2017 Phato 4]; [li-skrini tse ka bang 7] .XT E fumaneha ho tsoa ho: https://www.cdc.gov/hiv/basics/testing.html
  6. Johns Hopkins Medicine [Inthanete]. Bongaka ba Johns Hopkins; Laeborari ea Bophelo: Ho Thibela Mafu a Ikhethileng a HIV / AIDS; [e qotsitsoeng ka 2017 Nov 29]; [li-skrini tse ka bang 3]. E fumaneha ho tsoa ho: https://www.hopkinsmedicine.org/healthlibrary/conditions/adult/infectious_diseases/preventing_opportunistic_infections_in_hivaids_134,98
  7. Liteko tsa Lab Marang-rang [Inthaneteng]. Washington DC: Mokhatlo oa Amerika oa Clinical Chemistry; c2001–2018. Palo ea CD4; [e ntlafalitsoeng 2018 Jan 15; e qotsitsoeng 2018 Feb 8]; [li-skrini tse ka bang 2]. E fumaneha ho tsoa ho: https://labtestsonline.org/tests/cd4-count
  8. Mayo Clinic [Inthaneteng]. Motheo oa Mayo oa Thuto ea Bongaka le Patlisiso; c1998–2017. HIV / AIDS: Liteko le tlhatlhobo; 2015 Phupu 21 [e qotsitsoeng ka la 29 Nov]; [tse ka bang li-skrini tse 7]. E fumaneha ho tsoa ho: https://www.mayoclinic.org/diseases-conditions/hiv-aids/basics/tests-diagnosis/con-20013732
  9. Phetolelo ea Merck Manual Consumer [Inthanete]. Kenilworth (NJ): Merck & Co., Inc .; c2017. Tšoaetso ea tšoaetso ea 'mele ea motho ea ho itšireletsa mafung; [e qotsitsoeng ka 2017 Nov 29]; [li-skrini tse ka bang 3]. E fumaneha ho tsoa ho: http://www.merckmanuals.com/home/infections/human-immunodeficiency-virus-hiv-infection/human-immunodeficiency-virus-hiv-infection
  10. National Heart, Lung, le Setsi sa Mali [Internet]. Bethesda (MD): Lefapha la Bophelo le Litšebeletso tsa Botho la U.S. Liteko tsa Mali; [e qotsitsoeng ka la 2018 Feb 8]; [li-skrini tse ka bang 3]. E fumaneha ho tsoa ho: https://www.nhlbi.nih.gov/health-topics/blood-tests
  11. Setsi sa Bongaka sa Rochester [Internet]. Rochester (NY): Setsi sa Bongaka sa Univesithi ea Rochester; c2017. Health Encyclopedia: Mojaro oa vaerase ea HIV; [e qotsitsoeng ka 2017 Nov 29]; [li-skrini tse ka bang 2]. E fumaneha ho tsoa ho: https://www.urmc.rochester.edu/encyclopedia/content.aspx?contenttypeid=167&contentid;=hiv_viral_load
  12. Setsi sa Bongaka sa Rochester [Internet]. Rochester (NY): Setsi sa Bongaka sa Univesithi ea Rochester; c2017. Health Encyclopedia: Boemo ba CD4-CD8; [e qotsitsoeng ka 2017 Nov 29]; [li-skrini tse ka bang 2]. E fumaneha ho tsoa ho: https://www.urmc.rochester.edu/encyclopedia/content.aspx?contenttypeid=167&contentid;=cd4_cd8_ratio
  13. Lefapha la Veterans Affairs la U.S. [Marang-rang]. Washington DC: Lefapha la Litaba tsa Veterans la U.S. Palo ea CD4 (kapa T-cell count); [e ntlafalitsoeng 2016 Aug 9; e qotsitsoeng ka 2017 Nov 29]; [li-skrini tse ka bang 5]. E fumaneha ho tsoa ho: https://www.hiv.va.gov/patient/diagnosis/labs-CD4-count.asp
  14. Lefapha la Veterans Affairs la U.S. [Marang-rang]. Washington DC: Lefapha la Litaba tsa Veterans la U.S. HIV ke eng ?; [e ntlafalitsoeng 2016 Aug 9; e qotsitsoeng ka 2017 Nov 29]; [hoo e ka bang li-skrini tse 4]. E fumaneha ho tsoa ho: https://www.hiv.va.gov/patient/basics/what-is-HIV.asp
  15. Bophelo ba UW [Marang-rang]. Madison (WI): Univesithi ea Wisconsin Lipetlele le Bolaoli ba Litleliniki; c2017. Liphetho tsa Palo ea CD4 +; [e ntlafalitsoeng 2017 Mar 3; e qotsitsoeng ka 2017 Nov 29]; [tse ka bang li-skrini tse 7]. E fumaneha ho tsoa ho: https://www.uwhealth.org/health/topic/medicaltest/t-lymphocyte-measurement/tu6407.html#tu6414
  16. Bophelo ba UW [Marang-rang]. Madison (WI): Univesithi ea Wisconsin Lipetlele le Bolaoli ba Litleliniki; c2017. Kakaretso ea Teko ea CD4 + Count [e ntlafalitsoeng 2017 Mar 3; e qotsitsoeng ka 2017 Nov 29]; [li-skrini tse ka bang 2]. E fumaneha ho tsoa ho: https://www.uwhealth.org/health/topic/medicaltest/t-lymphocyte-measurement/tu6407.html
  17. Bophelo ba UW [Marang-rang]. Madison (WI): Univesithi ea Wisconsin Lipetlele le Bolaoli ba Litleliniki; c2017. CD4 + Bala Hobane Hobaneng ha E etsoa; [e ntlafalitsoeng 2017 Mar 3; e qotsitsoeng ka 2017 Nov 29]; [li-skrini tse ka bang 3]. E fumaneha ho tsoa ho: https://www.uwhealth.org/health/topic/medicaltest/t-lymphocyte-measurement/tu6407.html#tu6409

Tlhahisoleseling e fumanehang sebakeng sena sa marang-rang ha ea lokela ho sebelisoa ho nka sebaka sa tlhokomelo ea bongaka le likeletso. Ikopanye le mofani oa tlhokomelo ea bophelo haeba u na le lipotso ka bophelo ba hau.

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