Sɛ yɛnya atiridii anaa atiridiinini a, ɛyɛ yiye wɔ nna kakraa bi mu, ɛnte saa? So woasusuw sɛnea ɛba saa ho pɛn? Yɛwɔ asraafo dɔm kɛse nso wɔ yɛn nipadua mu, na wɔko tia mmoawa a wɔde nyarewa ba a wofi abɔnten. Wɔfrɛ asraafoɔ a wɔyɛ soronko wɔ saa asraafoɔ no mu no mu baako ‘antibody’. Ɛnnɛ yɛrebɛka antibody soronko bi ho asɛm, ‘Polyclonal Antibodies’. Bere a saa din yi te sɛ nea nyansahu mu de kakra no, asɛm no yɛ mmerɛw yiye. Momma yɛnhwɛ nneɛma a ɛbɔ nipadua ho ban yi ho nsɛm.
Sɛ yɛbɛka no tiawa a, dɛn ne saa polyclonal antibodies yi?
Polyclonal antibodies yɛ protein nketenkete a ɛyɛ yɛn nipadua mu ahoɔden a ɛko tia nyarewa no fã. Ne titiriw no, nkwammoaa kuw bi a wɔfrɛ no plasma B nkwammoaa na ɛyɛ wɔn.
Afei momma yɛmma eyi nyɛ mmerɛw kakra. Fa no sɛ ɔtamfo bi aba wo man mu. Nea ɛbɛyɛ na wɔahu saa ɔtamfo no, ‘agyiraehyɛde’ soronko bi wɔ ne nipadua so. Saa ara na bere a ɔyare mmoawa, mmoawa anaa ɔyare mmoawa, hyɛn yɛn nipadua mu no. Saa mmoawa no wɔ ‘agyiraehyɛde’ soronko bi wɔ ne ani. Wɔ nnuruyɛ mu no, yɛfrɛ saa agyiraehyɛde yi ‘antigen’ .
Sɛ yɛn nipadua mu ahoɔden a ɛko tia nyarewa no hu saa antigen yi a, ehu na ɛka sɛ, "Oh... eyi nyɛ yɛn mu biako, ɛyɛ obi a ofi abɔnten." Afei yɛn asraafo dɔm, kyerɛ sɛ, nnuru a ɛko tia nyarewa, kɔ adwuma.
Nanso ade ketewa foforo bi wɔ ha. Wɔ antigen biako so, kyerɛ sɛ, wɔ ɔtamfo biako nipadua so no, mmeae pii wɔ hɔ a yɛn nipadua mu nkwammoaa a ɛko tia nyarewa no betumi agye. Sɛnea ntokuru pii wɔ hɔ ma nsafe a ɛbɛhyɛ ɔpon biako mu no. Yɛfrɛ saa ntokuru yi mu biara ‘epitope’ .
Asɛmfua ‘polyclonal’ kyerɛ sɛ ‘efi ahorow ahorow mu’. Enti, polyclonal antibodies yɛ antibodies ahorow pii a wɔaboaboa ano a ebetumi akɔtow ahyɛ mmeae ahorow (epitopes) so wɔ ɔtamfo koro (antigen) koro no ara so. Eyi ma hokwan a ɔtamfo no wɔ sɛ obenya nkwa no so tew kɛse.
Bere a wɔyɛ eyinom fi awosu mu wɔ yɛn nipadua mu no, sɛ wɔde bedi dwuma wɔ nnuruyɛ mu a, ɛtɔ mmere bi a woyi fi mmoa te sɛ kraman ne nguan nipadua mu, anaa nnipa a wɔn ho atɔ wɔn wɔ nyarewa bi mu no mogya mu.
Ɔkwan bɛn so na eyinom yɛ adwuma wɔ nipadua no mu?
Adeyɛ a eyi yɛ no yɛ anigye yiye. Fa no sɛ safe ne mpɔtorɔ.
1. Ɔtamfo no hyɛn mu: Mmoawa anaa mmoawa bi hyɛn yɛn nipadua mu. Ɛwɔ ‘pigment’ bi wɔ ne soro. Eyinom yɛ antigen ahorow.
2. Mpɔtorɔ no ho nsɛm a ɛkɔ akyiri: Nanso mpɔtorɔ biara wɔ safe ntokuru pii. Eyinom yɛ epitopes.
3. Safe dɔm no ba: Sɛ yɛn nipadua no mu tumi a ɛko tia nyarewa no hu saa mmoawa yi ara pɛ a, ɛyɛ ‘nsafe ahorow’ pii a ɛhyɛ tokuru biara mu. Wɔfrɛ saa nsafe dɔm no polyclonal antibodies.
4. Ɔko no fi ase:Saa nsafe ahorow yi (antibody) kyekyere ntokuru ahorow (epitopes) a ɛwɔ ɔtamfo no nipadua mu. Wofi mmeae pii tow hyɛ ɔtamfo koro no ara so.
5. Ɔsɛe ɔtamfo no: Sɛ nnuru a ɛko tia nyarewa no bata ho saa a, ɛnyɛ den sɛ nkwammoaa afoforo a ɛwɔ nipadua no mu tumi a ɛko tia nyarewa no betumi ahu ɔtamfo yi na wɔasɛe no.
Sɛ yɛbɛka no tiawa a, ade titiriw a ɛwɔ polyclonal antibodies mu ne sɛ sɛ́ anka wɔbɛtow ahyɛ ɔtamfo biako so wɔ ɔkwan biako pɛ so no, efi mmeae ahorow ne akwan horow so tow hyɛ no so. Eyi ma nipadua no mu tumi a ɛko tia nyarewa no mu yɛ den kɛse na ɛyɛ adwuma yiye .
Dɛn na wɔde eyinom di dwuma wɔ aduruyɛ mu?
Wɔ sɛnea wɔyɛ no wɔ yɛn nipadua mu wɔ awosu mu akyi no, wɔde saa polyclonal antibodies yi di dwuma de yɛ nnwuma atitiriw pii wɔ aduruyɛ mu.
- Hu: Wɔde nhwehwɛmu ahorow bi a wɔyɛ wɔ aduruyɛdan mu te sɛ ELISA ne immunohistochemistry di dwuma de hu sɛ ɔyare mmoawa anaa kokoram bi wɔ hɔ.
- Wɔ nyansahu mu nhwehwɛmu mu: Nhwehwɛmufo de eyinom di dwuma de te sɛnea yɛn nipadua yɛ adwuma ne sɛnea nyarewa nyin no ase.
- Sɛnea wɔsa nyarewa na wosiw ano: Wɔde polyclonal antibodies di dwuma de sa tebea horow te sɛ nnuru bi a wɔnom boro so, ɔwɔ a wɔka, ne mogya mu nyarewa bi.
| Ɔkwan a wɔfa so sa yare | Nkyerɛkyerɛmu a ɛnyɛ den |
|---|---|
| Ɔwɔ aduru a ekum ɔyare mmoawa (Antivenom) . | Nnuru a ɛko tia nyarewa a wɔayɛ sɛ ɛbɛko atia awuduru a ɛhyɛn nipadua no mu bere a ɔwɔ keka no wɔ eyinom mu. |
| Plasma a ɛma obi ho tɔ no | Obi a ne ho atɔ no afi ɔyare bi a ɛde ɔyare mmoawa ba mogya mu no mogya mu nkwammoaa a ɛko tia nyarewa a wɔfrɛ no polyclonal antibodies a wɔayɛ atia saa yare no wɔ. Wɔde saa plasma yi ma obi a ɔyare ma ɔsa no yare. |
| Digoxin a ɛko tia nyarewa fab | Injection a wɔde ma sɛ wɔnom koma aduru Digoxin boro so a. |
| Rho(D) nipadua no mu tumi a ɛko tia nyarewa no globulin | Wɔde saa vaccine yi ma ɛna a onyinsɛn a ne mogya mu Rh-negative na wɔasiw nsɛnnennen (rhesus isoimmunization) a ebetumi aba sɛ akokoaa no mogya yɛ Rh-positive a. Wɔde ma nso sɛ mogya mu yare bi a wɔfrɛ no ITP (immune thrombocytopenia) ayaresa. |
Nsonsonoe bɛn na ɛwɔ polyclonal ne monoclonal antibodies ntam?
Ebia woate ‘monoclonal antibodies’ nso ho asɛm. Ɛwom sɛ eyinom abien nyinaa tow hyɛ antigens so de, nanso nsonsonoe ketewaa bi nanso ɛho hia wɔ mu.
| Su a ɛwɔ hɔ | Nnuru a ɛko tia nyarewa a ɛma nipadua no yɛ kɛse (Polyclonal) . | Nkwammoaa a ɛko tia nyarewa a ɛyɛ monoclonal (Monoclonal) . |
|---|---|---|
| Sɛnea wɔhyehyɛ no | Wɔde B nkwammoaa ahorow a wɔaboaboa ano na ɛyɛ. | Wɔde B nkwammoaa biako bi mfonini (clones) na ɛyɛ wɔ aduruyɛdan mu. |
| Botaeɛ | Wɔtow hyɛ epitopes (nsonsonoe) ahorow so wɔ antigen koro no ara so. | Ɛtow hyɛ epitope pɔtee biako so wɔ antigen biako pɛ so. |
| Adeyɛ | Wonya fi awosu mu fi mmoa anaa nnipa mogya mu. | Woyi fi mmoa mogya mu na wɔyɛ no ɔpepepem pii wɔ aduruyɛdan mu. |
| Abɔdeɛ | Nnuru ahorow a ɛko tia nyarewa a wɔde afrafra. Ebia ɛsono sɛnea ɛte wɔ batch-to-batch ho. | Esiane sɛ wɔn nyinaa yɛ nnuru a ɛko tia nyarewa koro nti, wogyina pintinn yiye na wɔn su nsakra. |
Mfaso bɛn na ɛwɔ eyi so?
- Ɛka a ɛba fam wɔ ne yɛ ho: Eyinom yɛ mmerɛw sɛ wɔbɛyɛ sen monoclonal antibodies, a wɔyɛ no den wɔ aduruyɛdan mu.
- Tumi pa a wotumi hu: Sɛ antigen dodow a ɛwɔ nhwɛsode bi mu sua koraa mpo a, ɛnyɛ den sɛ eyinom betumi ahu efisɛ etumi kyekyere mmeae ahorow.
- Nneɛma pɔtee a ɛkorɔn: Esiane sɛ antigen koro no ara kyekyere mmeae pii nti, mmuae no yɛ nea ɛkɔ so daa kɛse.
So ɔhaw biara nni hɔ saa bere no?
Nokwarem no, ɔhaw ahorow nso wɔ hɔ.
- Nsonsonoe a Ɛwɔ Nneɛma Pa: Esiane sɛ eyinom fi awosu mu nti, ebia nsakrae bɛba wɔ nnuru a ɛko tia nyarewa kuw biako ne foforo ntam. Enti, ebia ɛsono sɛnea etu mpɔn.
- Nneɛma a ebetumi afi atoro a ɛyɛ papa mu aba: Ɛtɔ mmere bi a, ebetumi aba sɛ ɛne antigen foforo a ɛte sɛ antigen a wɔde asi wɔn ani so no bɛbɔ. Enti, nea efi mu ba a ɛnyɛ nokware betumi aba wɔ sɔhwɛ ahorow mu.
- Nneɛma a ɛma obi ho yɛ no hyew: Sɛ wɔde polyclonal antibodies a wonya fi mmoa mu di dwuma de sa nnipa yare a, asiane wɔ hɔ sɛ obi benya akisikuru anaa nneɛma afoforo a ɛde ba.
Enti, sɛnea wubetumi ahu no, saa polyclonal antibodies yi yɛ yɛn nipadua no nipadua mu ahoɔden a ɛko tia nyarewa no fã a ɛho hia yiye, ne nnuruyɛ mu nso. Wɔtaa de di dwuma wɔ nhwehwɛmu ne nhwehwɛmu a wɔyɛ de hu yare no mu. Sɛ wowɔ nsɛmmisa bi fa eyi ho, titiriw sɛ wɔde eyinom rema wo ama ayaresa pɔtee bi a, ɛbɛyɛ papa sɛ wubebisa wo duruyɛfo anaa ɔyarehwɛfo ma ɔmma wo nkyerɛkyerɛmu.
Nkrasɛm a Wɔde Kɔ Fie
- Polyclonal antibodies yɛ abɔde mu ahobammɔ kuw bi a nkwammoaa ahorow a ɛwɔ yɛn nipadua mu nipadua mu ahoɔden a ɛko tia nyarewa no mu na ɛyɛ.
- Eyinom yɛ adwuma denam mmeae ahorow (epitopes) a wɔtow hyɛ ɔtamfo koro (antigen) so na wɔboa ma wɔsɛe saa ɔtamfo no so. Eyi ma mmuae no mu yɛ den yiye.
- Wɔ nnuruyɛ mu no, wɔde di dwuma de hwehwɛ yare no mu na wɔyɛ nhwehwɛmu, ne ayaresa te sɛ ɔwɔ awuduru ne nnuru a wɔde bɔ ɛnanom a wɔyem a wonni Rh.
- Eyinom yɛ soronko wɔ monoclonal antibodies a wɔde nkwammoaa biako na ɛyɛ wɔ aduruyɛdan mu na ɛtow hyɛ botae biako pɛ so no ho.
- Sɛ wowɔ ayaresa biara a wɔde ma wo wɔ eyi ho haw bi a, wo ne wo duruyɛfo nsusuw ho pefee.
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