Nā nīnau hoʻohālike e kūkākūkā ana i nā Lymphocytes a me nā pane pale kino kikoʻī
I loko o ka biology a me ka lāʻau lapaʻau, ʻo ka hoʻomaopopo ʻana i ke ʻano o ka hana ʻana o ka ʻōnaehana pale he mea nui ia no ka hoʻomaopopo ʻana i ke ʻano o ko kākou kino e hakakā ai i nā maʻi like ʻole. ʻO kekahi ʻāpana koʻikoʻi o kēia ʻōnaehana ʻo ia nā lymphocytes, nā keʻena koko keʻokeʻo e pāʻani ana i kahi kuleana koʻikoʻi i ka pane pale kikoʻī. E kūkākūkā kēia ʻatikala i nā lymphocytes, ko lākou kuleana i ka pane pale kikoʻī, a hāʻawi i nā pilikia laʻana e hoʻoikaika i ko kākou ʻike i kēia kumuhana.
Hoʻolauna i nā Lymphocytes a me ka Pane Palekana Kūikawā
ʻO nā lymphocytes he mau keʻokeʻo koko koʻikoʻi i ka pane ʻana i nā maʻi. Loaʻa lākou i ʻelua ʻano nui: nā lymphocytes B a me nā lymphocytes T. ʻO nā lymphocytes B ke kuleana no ka hana ʻana i nā antibodies, nā protein e kuhikuhi ana a hoʻopau i nā pathogens e like me nā bacteria a me nā virus. I kēia manawa, kōkua nā lymphocytes T i ka pepehi ʻana i nā cell i loaʻa i ka maʻi a hoʻoponopono i ka pane pale.
ʻO ka pane pale kino kikoʻī, a i ʻole ka pane hoʻololi, ʻo ia ka ʻāpana o ka ʻōnaehana pale kino e ʻike a hoʻomanaʻo i nā pathogens kikoʻī e hoʻouka i ke kino. ʻO ia ke kumu e hiki ai i ka lāʻau pale ke hāʻawi i ka palekana lōʻihi mai kekahi mau maʻi.
ʻAno Hana Pane Palekana Kūikawā
1. Hoʻāla ʻana o ka Lymphocyte B
– Ke ʻike ke kino i kahi antigen haole, nā pūnaewele hōʻike antigen (APC), e like me nā macrophages, e ʻai a hana i ka antigen. A laila hōʻike ʻia kēia mau ʻāpana antigen ma luna o ka APC me nā molekala MHC (Major Histocompatibility Complex).
– ʻO nā lymphocytes B nona nā mea loaʻa kikoʻī no ka antigen e ʻike iā ia a nakinaki, e hōʻailona ana i ka hoʻomaka ʻana o ka hoʻāla ʻana o ka lymphocyte B.
– Ke hoʻāla ʻia, e māhele a hoʻokaʻawale nā lymphocytes B i nā pūnaewele plasma e hana ana i nā antibodies a me nā pūnaewele hoʻomanaʻo e hāʻawi ana i ka palekana lōʻihi.
2. Hoʻāla ʻana o ka T Lymphocyte
– Hoʻāla ʻia nā lymphocytes T ma o ka launa pū ʻana me nā APC, akā ʻike lākou i nā antigens i hōʻike ʻia e nā molekala MHC i ʻokoʻa mai nā mea i ʻike ʻia e nā lymphocytes B.
– Hoʻokuʻu nā lymphocytes T kōkua (CD4+) i nā cytokines e kōkua i ka hoʻoponopono a me ka hoʻoikaika ʻana i ka pane pale kino, ʻoiai ʻo nā lymphocytes T cytotoxic (CD8+) e pepehi pololei i nā pūnaewele i loaʻa i ka maʻi.
Nā Nīnau Laʻana a me ke Kūkākūkā
Nīnau 1
E wehewehe i ke kuleana o nā lymphocytes B a me T i loko o ka pane pale kino kikoʻī.
Kūkākūkā:
ʻO nā lymphocytes B a me T nā kihi o ka pane pale kino kikoʻī. ʻO nā lymphocytes B, i ka manawa i hoʻāla ʻia e kahi antigen kikoʻī, hoʻokaʻawale i loko o nā cell plasma e hiki ke hana i nā antibodies e kuhikuhi a hoʻopau i nā pathogens. Hoʻokumu pū lākou i nā cell hoʻomanaʻo, e kōkua ana i ka pane wikiwiki i ka hanana o ka maʻi hou. ʻO nā lymphocytes T, ma ka ʻaoʻao ʻē aʻe, aia kekahi mau ʻano like ʻole:
– Nā lymphocytes T kōkua (CD4+), nā mea e kōkua i ka hoʻoulu ʻana i ka pane pale ma o ka hoʻokuʻu ʻana i nā cytokines.
– Nā lymphocytes T Cytotoxic (CD8+), nā mea e pepehi i nā hunaola kino i loaʻa i nā pathogens.
– Aia kekahi mau lymphocytes T hoʻoponopono e kōkua i ka kaohi ʻana i ka pane pale kino i ʻole ia e nui loa.
Nīnau 2
He aha ka mea e hana ʻia i ke kino ma hope o ka hōʻike ʻana i kahi pathogen i ʻike mua ʻia mahalo i kahi pane pale kino kūikawā?
Kūkākūkā:
Ke hōʻike ʻia ke kino i kahi pathogen i ʻike mua ʻia, ʻo nā cell hoʻomanaʻo i hana ʻia i ka wā o ka pane pale mua e hiki ai i ke kino ke pane wikiwiki a me ka maikaʻi. Hoʻokaʻawale koke nā cell Memory B i nā cell plasma a hana i nā nui o nā antibodies. I kēia manawa, hiki i nā cell memory T ke hoʻopau koke i nā cell i loaʻa i ka maʻi a kōkua paha i ka pane cell B a me macrophage ma ka hana ʻana i nā cytokines. ʻO ka hopena, ʻo ka wikiwiki o ka hoʻopau ʻana i ka pathogen ma mua o ka wā o ka hōʻike mua ʻana.
Nīnau 3
I loko o ke ʻano o ka pale ʻana, pehea e hiki ai i nā lāʻau pale ke kōkua i ka hoʻokumu ʻana i kahi pane pale kino kūikawā?
Kūkākūkā:
Hana nā lāʻau pale ma ka hoʻoulu ʻana i kahi pane pale kūikawā me ka ʻole o ka hoʻoulu ʻana i ka maʻi. Loaʻa iā lākou nā antigens mai nā pathogens i hoʻonāwaliwali ʻia a pepehi ʻia paha, a i ʻole nā ʻāpana o nā pathogens e hiki ke hoʻoulu i kahi pane pale. Ke hoʻokomo ʻia kahi lāʻau pale i loko o ke kino, hoʻāla ʻia nā lymphocytes B a me T a hana i nā antigens e like me ka maʻi kūlohelohe. A laila hoʻokumu ʻia nā pūnaewele hoʻomanaʻo, e hāʻawi ana i ka palekana lōʻihi ma ka wikiwiki ʻana i ka pane pale ke hoʻouka mai kahi pathogen maoli i ka wā e hiki mai ana. ʻO kēia ke kumu no ke kumu e hiki ai i ka lāʻau pale ke pale aku i ka maʻi.
Ka hopena
ʻO nā lymphocytes a me ka ʻōnaehana pale kino kikoʻī ke kī i ka mālama ʻana i ke olakino o ke kino a me ka pale ʻana i ka maʻi. Ma o ka hoʻoulu ʻana a me ka laulima ʻana o nā lymphocytes B a me T, hiki i ke kino ke hana i kahi pane wikiwiki a hoʻonohonoho ʻia i nā pathogens. Manaʻo ʻia nā hoʻomaʻamaʻa a me ke kūkākūkā ʻana ma luna e hoʻoikaika i ko mākou ʻike i ke koʻikoʻi o nā lymphocytes i ka pale ʻana i ka maʻi adaptive a pehea e hiki ai ke hoʻohana ʻia nā lāʻau pale ma ke ʻano he mau mea pale pono. ʻAʻole wale ka hoʻomaopopo ʻana i kēia mau ʻano hana he mea nui ia i ka ʻepekema akā hāʻawi pū kekahi i nā ʻike kūpono i nā kahua o ke olakino a me ka lāʻau lapaʻau.
