Kedu ọrụ nke mgbochi ụbụrụ ọbara?

Kedu ọrụ nke mgbochi ụbụrụ ọbara?

A na-ekewa ụbụrụ na akụkụ ahụ ndị ọzọ site na mgbochi ụbụrụ ọbara. Kedu ka nje si agafe ihe mgbochi ụbụrụ-ọbara iji nweta sistemu ụjọ nke etiti? Kedu ka mgbochi ụbụrụ ọbara si arụ ọrụ?

Kedu ka esi akọwa ihe mgbochi ụbụrụ ọbara?

Ihe mgbochi ụbụrụ ọbara bụ ihe mgbochi na-ahọrọ nke ukwuu nke isi ọrụ ya bụ ikewapụ usoro nhụjuanya nke etiti (CNS) na ọbara. Usoro ya na-eme ka o kwe omume ịchịkwa mgbanwe n'etiti ọbara na akụkụ ụbụrụ. Ya mere ihe mgbochi ụbụrụ nke ọbara na-ekewapụ ụbụrụ na akụkụ ahụ ndị ọzọ ma na-enye ya ebe a kapịrị ọnụ, dị iche na gburugburu ime nke ahụ ndị ọzọ.

Ihe mgbochi ụbụrụ ọbara nwere ihe nzacha pụrụ iche nke na-enye ya ohere igbochi ihe ndị si mba ọzọ nwere ike na-egbu egbu ịbanye n'ụbụrụ na ọgidigi azụ.

Gịnị bụ ọrụ mgbochi ụbụrụ ọbara?

Ihe mgbochi hemoencephalic a, n'ihi nzacha ya nke ukwuu, nwere ike ikwe ka mmiri gafere, ụfọdụ gas na mkpụrụ ndụ liposoluble site na mgbasa ozi na-agafe agafe, yana mbugharị nke mkpụrụ ndụ dị ka glucose na amino acid nke na-ekere òkè. dị oke mkpa na ọrụ neuronal ma gbochie ntinye nke neurotoxins lipophilic nwere ike, site na usoro mbufe glycoprotein na-arụ ọrụ.

Astrocytes (na-enyere aka idobe kemịkalụ na gburugburu eletrik site n'inye ụbụrụ nri dị mkpa na ikpochapụ ihe mkpofu ha) dị mkpa n'ịmepụta ihe mgbochi a.

Ihe mgbochi ụbụrụ ọbara na-echebe ụbụrụ pụọ na nsị na ndị ozi na-ekesa n'ime ọbara.

Ọzọkwa, ọrụ a dị okpukpu abụọ, n'ihi na ọ na-egbochikwa ntinye nke ụmụ irighiri ihe maka ọgwụgwọ ọgwụgwọ.

Kedu ihe bụ pathologies jikọtara ya na mgbochi ụbụrụ ọbara

Ụfọdụ nje ka nwere ike ịgafe ihe mgbochi a site na ọbara ma ọ bụ site na njem "retrograde axonal". Ọgba aghara nke mgbochi ụbụrụ ọbara na-ebute site na ọrịa dị iche iche.

Neurodegenerative ọrịa

N'ihi ọrụ dị mkpa ọ na-arụ n'ịkwado cerebral homeostasis, mgbochi ụbụrụ ọbara nwekwara ike ịbụ mmalite nke ụfọdụ ọrịa akwara ozi dịka ọrịa neurodegenerative na ọnya ụbụrụ dịka ọrịa Alzheimer (AD) mana nke na-adị ụkọ. .

Ọrịa shuga

Ọrịa ndị ọzọ, dị ka ọrịa shuga mellitus, na-enwekwa mmetụta ọjọọ n'ịkwado ihe mgbochi ụbụrụ ọbara.

Ọrịa ndị ọzọ

Ndị ọzọ pathologies, n'aka nke ọzọ, na-egbochi ọrụ nke endothelium si n'ime, ya bụ, dum ọbara-ụbụrụ mgbochi na-emebi site omume si extracellular matrix.

N'ụzọ dị iche, a na-egosipụta ọtụtụ ọrịa ụbụrụ site n'eziokwu ahụ bụ na ụfọdụ nje na-akpata ọrịa nwere ike ịgafe ihe mgbochi ụbụrụ nke ọbara na-ebute ọrịa ụbụrụ bụ ọrịa na-agbawa obi nke na-ebute ọnwụ dị elu ma ọ bụ ndị lanarịrị ọrịa akwara ozi siri ike. Ndị a gụnyere, dịka ọmụmaatụ, ụdị microorganisms dị iche iche, nje bacteria, fungi, nje HI, nje virus T-lymphotropic mmadụ 1, nje virus West Nile na nje bacteria, dị ka Neisseria meningitidis ma ọ bụ Vibrio cholerae.

Na otutu sclerosis, “pathogens” bụ mkpụrụ ndụ nke sistemu ahụ ji alụso ọrịa ọgụ na-agafe ihe mgbochi ụbụrụ ọbara.

Mkpụrụ ndụ metastatic na-agafe ihe mgbochi ọbara-ụbụrụ na ụfọdụ etuto na-abụghị ụbụrụ ma nwee ike ibute metastases na ụbụrụ (glioblastoma).

Kedu ọgwụgwọ?

Inye ọgwụgwọ na ụbụrụ site n'ịgafe ihe mgbochi ụbụrụ nke ọbara bụ ezigbo njem n'ihi na ọ na-egbochikwa ịnweta ọgwụ, karịsịa ndị nwere nnukwu usoro molecular, na mpaghara a chọrọ ọgwụgwọ.

Ụfọdụ ọgwụ dị ka Temozolomide, nke a na-eji alụso glioblastoma ọgụ nwere kemịkalụ na ihe anụ ahụ nke na-enye ya ohere ịgafe ihe mgbochi wee ruo etuto ahụ.

Otu n'ime ohere ndị a nyochara na mbọ iji kpochapụ nsogbu a bụ imejuputa usoro ndị nwere ike ịbanye n'ime ihe mgbochi ụbụrụ ọbara.

Ihe mgbochi ụbụrụ ọbara bụ ihe mgbochi dị mkpa na ọgwụgwọ, mana nyocha na-aga n'ihu.

diagnostic

Ihe dị iche iche nke mbụ mepụtara maka MRI bụ gadolinium (Gd) na mgbe ahụ Gd-DTPA77, nke mere ka o kwe omume ịnweta MRI dị elu maka nchọpụta nke ọnya mpaghara nke mgbochi ụbụrụ ọbara. Ngwakọta Gd-DTPA enweghị ike ịgafe mgbochi ụbụrụ ọbara dị mma.

Usoro onyonyo ndị ọzọ

Ojiji nke “otu foto emission tomography” ma ọ bụ “positron emission tomography”.

Enwere ike ịlele ntụpọ dị n'ihe mgbochi ụbụrụ ọbara site na ịgbasa mgbasa ozi dị iche kwesịrị ekwesị site na iji tomography gbakọọ.

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