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EBINTU BYONNNA N’AMAWULIRE GW’EBINTU EBIweereddwa KU MUTINDO GUNO BIKOZESEBWA KU KUSASANYA AMAWULIRE N’EBIKOLWA BY’OKUSOMESA.
Ebintu ebiweereddwa ku mukutu guno bigendereddwamu kunoonyereza mu kisenge (in vitro research) byokka. Okunoonyereza mu vitro (Olulattini: *mu ndabirwamu*, ekitegeeza mu bikozesebwa mu ndabirwamu) kukolebwa ebweru w’omubiri gw’omuntu. Ebintu bino si bya ddagala, tebikkiriziddwa kitongole kya Amerika ekivunaanyizibwa ku by’emmere n’eddagala (FDA), era tebirina kukozesebwa kuziyiza, kujjanjaba oba kuwonya mbeera yonna ya bujjanjabi, bulwadde oba bulwadde. Kikugirwa nnyo mu mateeka okuyingiza ebintu bino mu mubiri gw’omuntu oba ebisolo mu ngeri yonna.
Okulambika okutwaliza awamu
Osteoarthritis (OA) bulwadde bwa nnyondo obutawona obumanyiddwa nga cartilage degeneration, subchondral bone remodeling, ne synovial inflammatory responses, ekikosa ennyo omutindo gw’obulamu bw’abalwadde. Olw’okukaddiwa kw’abantu okwangu, omuwendo gw’abalwadde ba OA gweyongera, nga gussa omugugu ku bantu n’amaka.
Ekifaananyi 1 Okugeraageranya ebifaananyi by’obulwadde bw’endwadde z’enkizi n’endwadde z’amagumba. Obulwadde bw’endwadde z’enkizi bumanyiddwa olw’enkola y’okuzimba etabaganyizibwa mu kuddamu kw’abaserikale b’omubiri abazaalibwa, okukyusakyusa, n’aba stromal.
Okwonooneka kw’amagumba ddaala ddene nnyo mu kukula kwa OA. Olw’obusobozi bw’amagumba obutono obw’okweddaabiriza, okwonooneka kizibu okuwona mu ngeri ey’okwekolako, ekivaako obulwadde okweyongera mpolampola. N’olwekyo, okuzuula enkola ennungi ez’okuddaabiriza ebiwanga ebyonooneddwa kifuuse ekintu ekikulu eky’okunoonyereza mu bujjanjabi bwa OA.
Cartalax ddagala lya biramu eryakolebwa mu ngeri ey’enjawulo okutumbula okuddaabiriza eggumba eryonoonese. Ebitonde byayo ebitongole byawukana okusinziira ku nkola ez’enjawulo ez’okunoonyereza n’okufulumya, naye mu ngeri entuufu erimu ensonga eziwera ezikola obulamu, ebitundu bya matrix eby’ebweru w’obutoffaali, n’ebintu ebitwala. Mu bino, ensonga ezikola ku bulamu nga transforming growth factor-β (TGF-β) ne insulin-like growth factor-1 (IGF-1) zikola kinene nnyo mu kulungamya okukula kw’obutoffaali bw’amagumba, okwawukana, n’okusengejja matrix ey’ebweru w’obutoffaali. Ebitundu bya matrix eby’ebweru w’obutoffaali nga kolagini ne asidi wa hyaluronic biwa obuyambi obw’omubiri eri chondrocytes era byetaba mu kulungamya okunywerera kw’obutoffaali, okusenguka, n’okukyusa obubonero. Ebintu ebisitula bikola okusiba n’okuyimirizaawo-okufulumya ebitundu ebikola obulamu, okukakasa nti bikola bulungi obutasalako mu kifo awafunye obuvune.
Omulimu gwa Cartalax mu kuddaabiriza obuvune bw’amagumba
(1) Okutumbula Okukula n’Okwawukana kwa Chondrocyte
Ensonga ezikola obulamu mu Cartalax, nga TGF-β ne IGF-1, zikola amakubo g’obubonero munda mu chondrocytes, okutumbula enkulaakulana y’enzirukanya y’obutoffaali n’okusobozesa chondrocytes okukyuka okuva mu mutendera ogw’okusirika okudda mu mutendera ogw’okukula. TGF-β esiba ku bikwata ku ngulu w’obutoffaali okukola ekkubo ly’obubonero bwa Smad, n’etereeza okwolesebwa kwa puloteyina ezikwatagana n’enzirukanya y’obutoffaali, bwe kityo n’etumbula okusengejja kwa DNA n’okugabanya obutoffaali mu chondrocytes. IGF-1, ku ludda olulala, eziyiza okufa kw’obutoffaali obuyitibwa chondrocyte apoptosis okuyita mu makubo g’obubonero bwa PI3K-Akt ne MAPK ate nga etumbula okukula kw’obutoffaali, okwongera ku muwendo gwa chondrocytes, era n’ewa ensibuko y’obutoffaali emala okuddaabiriza eggumba.
Mu kiseera ky’okukula kw’obulwadde bw’amagumba, enkula y’obutoffaali bw’amagumba etera okukyuka, emanyiddwa olw’okukendeeza ku kusengejja ebitundu by’amagumba eby’enjawulo nga kolagini ey’ekika kya II ne proteoglycans, n’okweyongera kw’okusengejja ekika kya I kolagini ne matrix metalloproteinases (MMPs), ekivaako okuvunda kw’ebitundu by’amagumba. Cartalax esobola okukuuma enkula eya bulijjo eya chondrocytes nga etereeza okukyusa obubonero mu butoffaali n’okwolesebwa kw’obuzaale, ekuuma enkula eya bulijjo eya chondrocytes. TGF-β esobola okulinnyisa okwolesebwa kw’obuzaale bwa SOX9, nga eno ye nsonga enkulu ey’okuwandiika etumbula okuwandiika kw’obuzaale bwa kolagini ey’ekika kya II ne proteoglycans, bwe kityo n’ekuuma obusobozi bwa chondrocytes okukola ebitundu bya matrix ebikwata ku ggumba. Ebitundu ebimu mu Cartalax nabyo bisobola okuziyiza okwolesebwa kwa MMPs, okukendeeza ku kuvunda kw’ekitundu eky’ebweru w’obutoffaali, n’okukuuma obulungi bw’ebitundu by’amagumba.
(2) Okulungamya enkyukakyuka y’omubiri (extracellular matrix metabolism).
Ekitundu eky’ebweru w’obutoffaali kitundu kikulu nnyo mu bitundu by’amagumba, okusinga nga kikolebwa kolagini, proteoglycans, ne elastic fibers. Cartalax etumbula okusengejja ebitundu bino eby’ebweru w’obutoffaali (extracellular matrix components) ng’ekola amakubo g’obubonero obuyitibwa anabolic signaling pathways munda mu chondrocytes. Ng’oggyeeko okutumbula okwayogeddwako waggulu okwa TGF-β-mediated of type II collagen and proteoglycan synthesis, ensonga endala ezikula mu Cartalax, nga fibroblast growth factor (FGF), nazo zisobola okukola mu ngeri ey’okukwatagana okusitula chondrocytes okukola matrix ezisingawo ez’ebweru w’obutoffaali. FGF eyongera ku busobozi bw’okukola puloteyina munda mu chondrocytes, okutumbula okusengejja n’okufulumya molekyu ennene nga kolagini ne proteoglycans, bwe kityo n’eyongera ku biri mu matrix ey’ebweru w’obutoffaali n’okulongoosa eby’obutonde eby’omubiri (biomechanical properties) eby’amagumba.
Mu kiseera ky’okuddaabiriza obuvune bw’amagumba, okuddamu okukola ekitundu eky’ebweru w’obutoffaali nkola ya maanyi. Cartalax tekoma ku kutumbula kusengejja kwa matrix ey’ebweru w’obutoffaali wabula era etereeza enkola yaayo ey’okuddamu okukola. Kino kituukiriza nga kitereeza bbalansi wakati wa matrix metalloproteinases (MMPs) n’ebiziyiza ebitundu byabwe (TIMPs). Cartalax eziyiza emirimu gya MMPs, okukendeeza ku kuvunda okuyitiridde okwa matrix ey’ebweru w’obutoffaali; kitumbula okwolesebwa kwa TIMPs, okutumbula enkola yazo ey’okuziyiza ku MMPs, bwe kityo ne kikuuma bbalansi ey’enjawulo wakati w’okusengejja n’okuvunda kw’ekisenge eky’ebweru w’obutoffaali, ekiyamba okuddaabiriza n’okuddamu okukola mu ngeri entegeke ey’ebitundu by’amagumba.
(3) Ebikolwa ebiziyiza okuzimba
Okuddamu okuzimba kukola kinene mu kutandika n’okukulaakulana kwa OA. Cartalax erina ebirungo ebimu ebiziyiza okuzimba era esobola okulung’amya okwolesebwa kwa cytokines ezizimba. Mu microenvironment okuzimba, Cartalax esobola okuziyiza okukola pro-inflammatory cytokines nga tumor necrosis factor-α (TNF-α) ne interleukin-1β (IL-1β), ate upregulating okwolesebwa anti-inflammatory cytokines nga interleukin-10 (IL-10), bwe kityo okukendeeza ku local joint okuzimba n’okukola microenvironment ennungi for okuddaabiriza eggumba.
Okukozesa eddagala lya Cartalax mu kujjanjaba endwadde z’amagumba
(1) Okunoonyereza ku kugezesa ebisolo
Mu kugezesa ebisolo, abanoonyereza baatandikawo ebika by’ebisolo eby’enjawulo ebya OA, gamba ng’ekyokulabirako kya OA eky’envunza ekireetebwa okusala emisuwa egy’omu maaso (ACLT) n’ekyokulabirako kya OA eky’olubuto ekireetebwa papain, okwekenneenya obulungi bwa Cartalax mu kuddaabiriza okwonooneka kw’amagumba. Ebivudde mu kugezesa biraga nti oluvannyuma lw’okuyingira mu nsonga za Cartalax, okwekenneenya ebitundu by’omubiri (histological analysis) kwalaga okulongoosa okw’amaanyi mu bugonvu bw’amagumba g’ennyondo, ensengekera y’obutoffaali, n’ebitundu bya matrix eby’ebweru w’obutoffaali. Obukodyo bw’okwonooneka kw’amagumba mu kibinja eky’okugezesa bwakendeera nnyo, ekiraga nti Cartalax ekendeeza bulungi ku buzibu bw’okwonooneka kw’amagumba.
Okwekenenya obusimu obuziyiza endwadde n’ebiramu mu molekyu kwalaga nti emiwendo gy’okwolesebwa kw’obubonero obw’enjawulo obw’amagumba gyali waggulu n’okukendeeza ku miwendo gy’okwolesebwa kw’enziyiza ezivunda nga MMPs mu kibinja ekyajjanjabwa Cartalax, okwongera okukakasa omulimu gwayo mu kutumbula okuddaabiriza eggumba n’okulungamya enkyukakyuka y’amagumba ag’ebweru w’obutoffaali.
(2) Okunoonyereza ku nkola y’obujjanjabi
Wadde nga Cartalax ekyali mu mutendera gw’okunoonyereza okukozesebwa mu bujjanjabi, okunoonyereza okumu okusookerwako mu bujjanjabi kubadde kuloopebwa. Cartalax esinga kulagibwa ku balwadde abalina obulwadde bw’amagumba obutono oba obw’ekigero naddala abo abakakasibwa nti amagumba gaayonoonese. Ku bulwadde bw’amagumba obw’omutendera ogusooka, ng’okwonooneka kw’amagumba kukyayinza okukyusibwa, Cartalax esobola bulungi okukendeeza ku kukula kw’obulwadde n’okuddaabiriza okwonooneka kw’amagumba ng’etumbula okukula kw’obutoffaali obuyitibwa chondrocyte, okulungamya enkyukakyuka y’omubiri ogw’ebweru w’obutoffaali, n’okukendeeza ku kuddamu kw’okuzimba. Cartalax era esobola okukozesebwa ng’eky’okugatta ku bujjanjabi bw’okulongoosa, okusiigibwa oluvannyuma lw’okulongoosebwa mu ngeri ey’okukebera ebinywa oba okulongoosebwa okuddaabiriza eggumba okutumbula okuwona n’okuddaabiriza ebitundu by’amagumba.
Mu bufunzi
Mu bufunze, Cartalax eraga obusobozi obw’amaanyi mu kuddaabiriza obuwanga obwonooneddwa mu kujjanjaba obulwadde bw’amagumba. Okusinziira ku nkola y’ebikolwa, kitumbula okukula n’okwawukana kw’obutoffaali bw’amagumba, kitereeza enkyukakyuka y’omubiri (extracellular matrix metabolism), era kikola ebikolwa eby’okulwanyisa okuzimba, bwe kityo ne kiddaabiriza n’okukuuma eggumba eryonooneddwa okuva mu nsonda eziwera.
Ensonda
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[5] Macfarlane E, Seibel MJ, Zhou H. Endwadde z’enkizi n’omulimu gwa glucocorticoids ez’omunda[J]. Okunoonyereza ku magumba, 2020,8 (1): 33.DOI: 10.1038 / s41413-020-00112-2.
[6] Huang LJ, Chen W P. Astaxanthin etereeza okwonooneka kw’amagumba mu kugezesa obulwadde bw’amagumba[J]. Enkola y’endwadde z’enkizi ez’omulembe, 2015, 25 (5): 768-771.DOI: 10.3109 / 14397595.2015.1008724.
Ekintu ekiriwo okukozesebwa mu kunoonyereza kwokka:
