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3D Bioprinting Yana Haɗa Naman Ƙwaƙwalwar Kwakwalwar Mutum Mai Aiki A Karon Farko  

Masana kimiyya sun ƙirƙira dandali na 3D bioprinting wanda ke haɗa aiki mutum jijiyoyin jiki kyallen takarda. Kwayoyin zurfafa a cikin kyallen da aka buga suna girma don ƙirƙirar da'irori na jijiyoyi kuma suna yin haɗin aiki tare da sauran ƙwayoyin cuta don haka suna kwaikwayon dabi'a. kwakwalwa kyallen takarda. Wannan babban ci gaba ne a aikin injiniyan nama na jijiyoyi da kuma a cikin fasahar 3D bioprinting. Ana iya amfani da irin waɗannan kyallen jijiyoyi da aka yi amfani da su a cikin ƙirar ƙira mutum cututtuka (kamar Alzheimer's, Parkinson's da dai sauransu) da ke haifar da lahani na hanyoyin sadarwa na jijiyoyi. Duk wani bincike na cutar kwakwalwa yana buƙatar fahimtar yadda mutum hanyoyin sadarwa na jijiyoyi suna aiki.  

3D bioprinting wani tsari ne mai ƙari inda aka haɗu da dacewa na halitta ko na halitta biomaterial (bioink) tare da rayayyun kwayoyin halitta da buga, Layer-by-Layer, a cikin nama na halitta-kamar-girma uku-tsari. Kwayoyin suna girma a cikin bioink kuma tsarin suna haɓaka don yin kwaikwayon nama ko gabobin halitta. Wannan fasaha ta samo aikace-aikace a ciki sabuntawa magani don bioprinting na sel, kyallen takarda da gabobin kuma a cikin bincike a matsayin samfurin don yin nazari mutum jiki a vitro, musamman mutum tsarin juyayi.  

Nazarin mutum tsarin juyayi yana fuskantar gazawa saboda rashin samun samfuran farko. Samfuran dabbobi suna da taimako amma suna fama da takamaiman bambance-bambancen jinsuna don haka ya zama dole a vitro model na mutum tsarin juyayi don bincika yadda mutum hanyoyin sadarwa na jijiyoyi suna aiki don nemo magunguna don cututtukan da ake dangantawa da nakasuwar hanyoyin sadarwa. 

Human An buga kyallen jijiyoyi 3D a baya ta hanyar amfani da kwayoyin halitta duk da haka waɗannan ba su da samuwar hanyar sadarwa ta jijiyoyi. Nama da aka buga bai nuna ya sami haɗin kai tsakanin sel ba saboda dalilai da yawa. An shawo kan waɗannan gazawar a yanzu.  

A cikin binciken da aka yi kwanan nan, masu bincike ya zaɓi fibrin hydrogel (wanda ya ƙunshi fibrinogen da thrombin) a matsayin ainihin bioink kuma ya shirya buga wani tsari mai laushi wanda sel masu tasowa zasu iya girma da kuma samar da synapses a ciki da kuma a cikin yadudduka, amma sun canza hanyar da ake tara yadudduka yayin bugawa. Maimakon hanyar gargajiya ta tara yadudduka a tsaye, sun zaɓi buga yadudduka kusa da wani a kwance. A fili, wannan ya haifar da bambanci. An samo dandalin su na 3D bioprinting don haɗa aiki mutum nama na jijiyoyi. An inganta kan sauran dandali na yanzu, da mutum Nama na jijiyar da aka buga ta wannan dandali ya samar da hanyoyin sadarwa na jijiyoyi da haɗin aiki tare da sauran ƙwayoyin jijiya da ƙwayoyin glial a ciki da tsakanin yadudduka. Wannan shine farkon irin wannan shari'ar kuma babban ci gaba ne a aikin injiniyan nama. Haɗin dakin gwaje-gwaje na naman jijiyoyi wanda ke kwaikwayi kwakwalwa a cikin aiki yana jin daɗi. Wannan ci gaban tabbas zai taimaka wa masu bincike wajen yin samfuri mutum cututtuka na kwakwalwa da ke haifar da lalacewa ta hanyar sadarwa na jijiyoyi don fahimtar tsarin gano yiwuwar magani.  

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References:  

  1. Cadina M., et al 2020. 3D Bioprinting of Neural Tissues. Babban Kayan Kula da Lafiya Juzu'i na 10, Fitowa ta 15 2001600. DOI: https://doi.org/10.1002/adhm.202001600 
  1. Yan Y., et al 2024. 3D bioprinting na mutum kyallen jijiyoyi tare da haɗin aiki. Fasahar Sadarwar Kwayoyin Halitta | Juzu'i na 31, Fitowa ta 2, P260-274.E7, Fabrairu 01, 2024. DOI: https://doi.org/10.1016/j.stem.2023.12.009  

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Umesh Prasad
Umesh Prasad
Jaridar Kimiyya | Editan kafa, mujallar Scientific Turai

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