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International Parkinson iyo Dhaqdhaqaaqa Xanuunka Bulshada

        Caddadka 30, ISSUE 1 • Maarso 2026.  Arrin buuxa

Qodobka ugu Muhiimsan ee Kalfadhiga: Shirweynaha PAS ee 2026

Sida sawir-qaadista neerfaha ay si dhakhso ah u beddelayso ogaanshaha iyo daaweynta cudurka Parkinson


Khubaradu waxay wadaagaan sida sawir-qaadista multimodal iyo alpha-synuclein ay u bixin karaan aragtiyo qoto dheer oo ku saabsan neerfaha qarsoon ee dhammaan noocyada cudurka.

 

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Sidee sirdoonka macmalka ah loogu isticmaalaa qalabka sawir-qaadista ee cudurka Parkinson?

Sirdoonka macmalka ah (AI) ayaa si dhakhso ah u qaabaynaya sida aan u isticmaalno sawir-qaadista neerfaha si aan u ogaano una fahanno cudurka Parkinson (PD).

Dhaqan ahaan, sawir-qaadista caafimaadku waxay diiradda saartay xaqiijinta khasaaraha dopaminergic, inta badan iyadoo la adeegsanayo DAT-SPECT si loo qiimeeyo daacadnimada nigrostriatal. Iyadoo farsamadani ay aad u saxsan tahay si loo ogaado yaraanta dopaminergic-ka ee presynaptic ee PD-ga la aasaasay [1], sawir-qaadista dopaminergic-ka caadiga ah oo leh fasiraad muuqaal ah iyo cabbiraad nus-tiro ah ayaa leh xaddidaadyo, gaar ahaan cudurka hore/prodromal, la socodka horumarka, kala soocida PD iyo calaamadaha parkinsonian-ka ee aan caadiga ahayn, iyo qabashada kala duwanaanshaha bayoolojiga PD.

Cilmi-baarista PD hadda waxay ka wareegaysaa sharraxaadda calaamadaha ku salaysan una wareegaysaa qaab-dhismeedyo bayooloji ahaan ku salaysan [2,3]. Farsamooyin horumarsan, oo ay ku jiraan falanqaynta isku xirnaanta qaab-dhismeedka iyo shaqada; sawir-qaadista dheef-shiid kiimikaadka gulukooska maskaxda; iyo calaamadaha MRI (tusaale ahaan, sawir-qaadista xasaasiga ah ee neuromelanin, MRI-ga faafinta biyaha xorta ah, iwm.), waxay bixiyaan aragtiyo qoto dheer oo ku saabsan neerfaha oo si fudud loo fahmi karo dhammaan noocyada cudurrada [4].

AI waxay furaysaa calaamadaha sawir-qaadista qarsoon

Isku-darka AI iyo sawir-qaadista neerfaha ee PD waxay bixisaa faa'iidooyin badan oo suurtagal ah [5-7]. Sawir-qaadista neerfaha waxay ka kooban tahay macluumaad qaab-dhismeed, shaqeyn, iyo molecular oo qani ah, badankooduna aad bay u khafiifsan yihiin isha aadanaha. AI waxay soo saari kartaa oo isku dari kartaa calaamadahan miisaanka: 1) Moodooyinka waxbarashada ee la kormeero waxay taageeraan ogaanshaha iyo saadaalinta horumarka; 2) Barashada aan la kormeerin waxay aqoonsataa noocyada hoose ee macnaha bayoolojiga leh; 3) Barashada qoto dheer waxay si toos ah u soo saartaa qaababka booska iyo qoraalka ee adag.

Sawirka dopaminergic-ka, moodooyinka AI waxay gaareen saxnaanta ogaanshaha 90-97% iyagoo kala soocaya PD iyo kontaroolada caafimaadka qaba, iyagoo inta badan ka sarreeya cabbiraadaha dhaqameed ee nus-tiro. Hababkani waxay kor u qaadi karaan xasaasiyadda cilladaha qarsoon, waxayna gacan ka geysan karaan dib-u-kala-soocidda baaritaannada iyada oo aan lahayn yaraanta dopaminergic (SWEDD) [8], waxayna yareyn karaan kala duwanaanshaha is-dhexgalka [9,10].

MRI-ga neerfaha xasaasiga ah waa calaamad kale oo rajo leh oo lagu qiimeeyo khasaaraha neerfaha ee dopaminergic ee nigra-ga xooggan, laakiin waxaa xaddidaya falanqaynta kala-qaybinta gacanta oo waqti badan qaadanaysa. Barashada qoto dheer waxay suurtogal ka dhigaysaa in si dhakhso ah, otomaatig ah, iyo dib-u-soo-saarid ah loo ogaado luminta calaamadaha la xiriira neuromelanin ee nigra-ga xooggan ee PD [11].

¹⁸F-FDG PET waxay hagaajin kartaa kala soocidda PD iyo calaamadaha parkinsonian-ka ee aan caadiga ahayn iyadoo la qabanayo isbeddellada dheef-shiid kiimikaadka ee striatal iyo kuwa ka baxsan striatal-ka. Falanqaynta AI-ga ee la xoojiyay hadda waxay soo sheegaysaa xasaasiyadda iyo gaar ahaanta ka badan 90% si loo kala saaro PD iyo parkinsonisms-ka aan caadiga ahayn [12,13].

MRI-ga faafinta wuxuu bixiyaa cabbir aan la saadaalin karin oo ah neerfaha qaab-dhismeedka yar yar. Sawir-qaadista biyaha bilaashka ah waxay cabbirtaa isbeddellada unugyada iyo unugyada ka baxsan gudaha nigra-ga substantia ee PD, iyo gobollada cawlan iyo caddaanka ee baahsan ee parkinsonisms-ka aan caadiga ahayn [14-16]. PD, biyaha xorta ah ee si joogto ah u sarreeya ee substantia nigra-da dambe waa calaamad muujinaysa ogaanshaha iyo horumarka xooggan [14,15]. Dhawaan, barashada mashiinka ee lagu dabaqay cabbirrada sawir-qaadista biyaha bilaashka ah ayaa la muujiyay inay si sax ah u kala soocayso PD iyo atrophy-ga nidaamka badan ee parkinsonian (MSA-P) iyo curyaanka supranuclear-ka ee horumarsan (PSP) [17,18]. Isku-darka socodka shaqada sawir-qaadista caafimaadka ayaa hadda socda.

Caqabadaha iyo waddada loo marayo

Iyadoo ay ballanqaaday, AI ee sawir-qaadista neerfaha ee PD waxay la kulantaa caqabado badan [5,12,19,20]. Calaamadaha ogaanshaha waxay noqon karaan kuwo buuq badan. Xogta xogtu badanaa waa yar yihiin ama way kala duwan yihiin, noocyo badanna ma laha xaqiijinta dibadda iyo fasiraadda. Xogta dheer iyo tan prodromal-ka ayaa weli xaddidan. Horumarka mustaqbalka wuxuu ku xirnaan doonaa iskaashi ballaaran oo xarumo badan leh oo leh hab-raacyada sawir-qaadista ee caadiga ah; isku-darka multimodal ee sawir-qaadista, kiliinikada, hidde-sideyaasha, iyo dhijitaalka; iyo horumarinta nidaamyada AI ee hufan oo la hubin karo oo ku habboon hawlgal caafimaad oo ammaan ah.

Ugu dambeyntii, AI looguma talagalin inay beddesho khibradda caafimaad. Si taxaddar leh loo isticmaalo, waxay kor u qaadi kartaa saxnaanta ogaanshaha, waxay awood u siin kartaa faragelin hore, waxayna u wareejin kartaa goobta daryeelka shaqsiyeed ee PD.

Sidee sawir-qaadista multimodal-ka u caawisaa ogaanshaha hore iyo la socodka horumarka cudurka ee PD?

Calaamadaha bayoolajiga waxay door muhiim ah ka ciyaaraan soo saarista cudurka PD. Iyada oo lagu qeexay tilmaamo la cabbiri karo oo ku saabsan hababka bayoolojiga, bayoolajiga waxay taageeri karaan ogaanshaha, saadaasha, qiimeynta nuglaanta, iyo qiimeynta badbaadada daaweynta. Bayoolajiga ku salaysan sawirku waxay bixiyaan aragti ku saabsan hababka ka baxsan calaamadaha kiliinikada.

Moodooyinka xaqiijinta calaamadaynta dhaqameed waxay ku tiirsan yihiin noocyada kiliinikada - sida noocyada hoosaadka gariirka iyo PIGD - sida heerka tixraaca. Si kastaba ha ahaatee, tani waxay soo bandhigaysaa eex, maadaama noocyada muuqaalku aysan si ku filan u qaban kala duwanaanshaha bayoolojiga ee PD. Soo bandhigiddu waxay tan barbar dhigaysaa qaabka calaamadaynta ee ku salaysan calaamadaynta, oo leh qaab-dhismeedyo soo baxaya oo xoogga saaraya calaamadaha molecular-ka marka loo eego calaamadaha kiliinikada marka la qeexayo kooxaha hoose ee bayoolojiga isku xidhan.

Soo bandhigiddu waxay dib u eegtay noocyo badan oo ah qaababka sawir-qaadista neerfaha. Farsamooyinka Dopaminergic PET iyo SPECT - sida F-DOPA, VMAT2, iyo sawirka DAT - waxay ogaadaan burburka nigrostriatal presynaptic waxayna taageeraan ogaanshaha kala duwan ee cudurrada parkinsonian, oo ay ku jiraan PSP iyo MSA. Sawir-qaadista PET-ka dheef-shiid kiimikaadka ayaa muujinaya sida isbeddellada dheef-shiid kiimikaadka ay ugu faafaan shabakadaha neerfaha, iyagoo isku xiraya qaababka dheef-shiid kiimikaadka iyo cilladda maskaxda iyo garashada.

Sawir-qaadista cufnaanta synaptic iyadoo la adeegsanayo raad-raacayaasha SV2A PET (tusaale ahaan, 18F‑SynVesT‑1) waxay bixisaa qiyaas ku saabsan hufnaanta synaptic-ga waxayna iftiiminaysaa nuglaanta synaptic-ga hore ee parkinsonisms-ka sii xumaanaya. Calaamadaha ku salaysan MRI - oo ay ku jiraan sawir-qaadista xasaasiga ah ee neuromelanin, MRI faafinta (tusaale ahaan, khariidaynta biyaha bilaashka ah), sawir-qaadista xasaasiga ah ee birta (QSM, R2*), iyo tusmooyinka qaab-dhismeedka sida Tusmada MR Parkinsonism - waxay bixiyaan qalab awood leh oo lagu qiimeeyo burburka nigral, kala soocida calaamadaha aan caadiga ahayn, iyo la socodka horumarka.

Hababka dheeraadka ah - sida sawir-qaadista wadnaha ee MIBG ee isbeddellada is-beddelka ah iyo TSPO PET ee bararka neerfaha - waxay fidisaa awoodaha calaamadaynta unugyada nidaamyada aan dopaminergic ahayn iyo kuwa durugsan, iyadoo la jaanqaadaysa moodooyinka nidaamyada badan ee cudurka PD.

PD waa cudur nidaamyo badan leh oo u baahan astaamo bayooloji oo isku dhafan. Istaraatiijiyad sawir-qaadis badan leh - oo ay weheliso kala-soocidda cudurrada ee ay keento calaamadda biomarker - ayaa lagama maarmaan u noqon doonta ogaanshaha hore, ogaanshaha kala duwanaanshaha oo la wanaajiyo, la socodka horumarka, iyo horumarinta daaweynta la beegsanayo.

Muhiimadda sawir-qaadista alpha-synuclein ee cudurada synucleinopathies

Cudurrada Synucleinopathies waxaa ka mid ah cuduro kala duwan sida cudurka Parkinson, waallida oo leh Lewy bodies iyo atrophy nidaam badan. Astaamaha cudurkooda waa isku-darka Alpha-synuclein, ogaanshaha kala duwanaanshuhuna wali wuxuu ku salaysan yahay astaamaha caafimaad, taasoo keenta in si khaldan loo ogaado cudurka. Kala soocid ku salaysan bayoolaji ayaa dhawaan la soo jeediyay, halkaas oo synuclein uu door muhiim ah ka ciyaaro (inkastoo aan had iyo jeer la joogin ama aan loo baahnayn baaritaanka), taasoo u oggolaanaysa ogaanshaha hore, oo sax ah, ugu dambayntiina bixinaysa suurtagalnimada faragelin daaweyn hore mustaqbalka.

Waxaa jiray horumarro laga sameeyay cilmi-baarista calaamadaynta ee muunado badan oo bayooloji ah, tobankii sano ee la soo dhaafayna, goobta sawir-qaadista waxaa lagu sameynayay baaritaan firfircoon oo loogu talagalay raad-raacayaasha gaarka ah ee alpha-syn, kuwaas oo bixin kara suurtagalnimada ogaanshaha alpha-syn si gudaha-nolosha ah, oo aan duullaan ahayn.

Horumarinta ligands-ka PET ee bartilmaameedsanaya alpha-synuclein waa mid adag sababtoo ah tirada yar ee alpha-syn ee unugyada maskaxda, goobta unugyada iyo isku ekaanshaha borotiinnada kale ee khaldan ee xaaladdooda qaab-dhismeedka. Si kastaba ha ahaatee, dhowr raad-raace oo musharrax ah oo hadda lagu baarayo daraasadaha kahor-kiliinikada iyo kuwa kiliinikada ayaa higsanaya inay gaaraan isku xirnaan iyo xulasho ku filan, iyagoo yareynaya isku xidhka bartilmaameedka.

Soo bandhigiddu waxay ka hadashay dhowr isku-dhafan oo ay ku jiraan [18F]C05-05 (1), [18F]SPAL-T-06 (2), [18F]ACI-12589 (3), [11C]MODAG-005 (4), iyo [18F] F0502B (5). Daraasadaha hore waxay soo jeedinayaan in raad-raacayaasha qaarkood ay doorbidaan inay ogaadaan cudurka alpha-syn ee MSA, marka la barbar dhigo cudurada kale ee synucleinopathies, laakiin xaqiijin dheeraad ah ayaa loo baahan yahay.

Daraasado dheeraad ah ayaa muhiim u ah horumarinta daawada saxda ah, awood u siinta sawiridda hababka cudurada, hagaajinta saxnaanta ogaanshaha iyo u gudubka habka ku salaysan bukaanka si loo gaaro hirgelinta daaweynta wax ka beddelka cudurrada ee cudurka synucleinopathies mustaqbalka.

 

 

tixraacyada

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