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Kisspeptin: Nā noi i ke ola hānau keiki a me ka hoʻonui ʻana i nā hana Fertility

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ʻO nā ʻatikala a me nā ʻike huahana i hāʻawi ʻia ma kēia pūnaewele pūnaewele wale nō no ka hoʻolaha ʻana i ka ʻike a me nā kumu hoʻonaʻauao.  

ʻO nā huahana i hāʻawi ʻia ma kēia pūnaewele i manaʻo wale ʻia no ka noiʻi in vitro. Hana ʻia ka noiʻi in vitro (Latin: *i ke aniani*, ʻo ia hoʻi i ka ipu aniani) ma waho o ke kino kanaka. ʻAʻole kēia mau huahana he lāʻau lapaʻau, ʻaʻole i ʻae ʻia e ka US Food and Drug Administration (FDA), a ʻaʻole pono e hoʻohana ʻia no ka pale ʻana, mālama, a hoʻōla paha i kekahi maʻi olakino, maʻi, a i ʻole maʻi. Ua pāpā loa ʻia e ke kānāwai ke hoʻokomo i kēia mau huahana i loko o ke kino kanaka a holoholona paha ma kekahi ʻano.




1. Nānā nui


ʻO Kisspeptin kahi neuropeptide i hoʻopaʻa ʻia e ka gene Kiss1, i hōʻike mua ʻia i loko o ka nucleus arcuate a me kahi preoptic o ka hypothalamus. He kuleana koʻikoʻi ia i ka hoʻoponopono ʻana i ka hana hānau keiki a lawelawe ma ke ʻano he mea hoʻoponopono koʻikoʻi i luna o ke koʻi hypothalamic-pituitary-gonadal (HPG). Hoʻopili ʻo Kisspeptin i ka G protein-coupled receptor 54 (GPR54), e hoʻāla ana i ke ʻano o nā ala hōʻailona e hoʻoponopono i ka hana hānau. ʻO kekahi o nā hiʻohiʻona o ka hoʻomaka ʻana o ka wā ʻōpio, ʻo ia ka pulsatile secretion o ka gonadotropin-releasing hormone (GnRH) e hypothalamic GnRH neurons, a ʻo kisspeptin ka mea he koʻikoʻi koʻikoʻi i luna o nā neurons GnRH, e pāʻani ana i kahi kuleana nui i ka maturation o ke axis reproductive.

1

Kiʻi 1 Mekanikini hana kelepona o kisspeptin.





2. Hana


Hoʻoponopono i ka hoʻomaka ʻana o ka wā ʻōpio: I nā mammals, piʻi nui ka ʻōlelo o ka kisspeptin a me kāna mea hoʻokipa GPR54 ma mua o ka hoʻomaka ʻana o ka wā ʻōpio. Hoʻoulu ia i nā neurons GnRH, hoʻolaha i ka hoʻokuʻu GnRH pulsatile a laila hoʻomaka i ka wā ʻōpio. I loko o nā kānaka a me nā mea momona ʻē aʻe, ʻo ka nele o ka kisspeptin hōʻailona e alakaʻi i ka hypogonadism ma muli o ka lawa ʻole o ka huna ʻana o ka gonadotropin, a laila e hōʻemi ana i ka hoʻomaka maʻamau o ka wā ʻōpio.


Hoʻoponopono i ka huna ʻana o ka hormone hānau: Hoʻoulu ʻo Kisspeptin i ka pituitary gland anterior e hūnā i nā gonadotropins, me ka follicle-stimulating hormone (FSH) a me ka hormone luteinizing (LH). Loaʻa kēia ma ka hoʻonui ʻana i ka huna GnRH, kahi e hoʻoulu ai i nā cell pituitary anterior e synthesize a hoʻokuʻu i ka FSH a me LH, ma laila e hoʻoponopono ai i ka hana gonadal, e hāpai ana i ka synthesis o nā hormone steroid gonadal, a me ka hoʻomaʻamaʻa ʻana i ka hoʻomohala ʻana o nā cell germ.


Ka hoʻololi ʻana i ka pōʻaiapili hānau: I nā holoholona wahine, komo ʻo kisspeptin i ka hoʻoponopono ʻana i ke kaʻina menstrual a i ʻole ka pōʻai estrous. I ka wā o ka menstrual cycle, ʻike nui nā neurons kisspeptin i ka hoʻoponopono ʻana i ka manaʻo e ka estrogen. Ke piʻi ka estrogen, piʻi ka kisspeptin neuron, hoʻoikaika hou i ka hoʻokuʻu ʻana o GnRH, hoʻoulu i ka piʻi LH, a hoʻoulu i ka ovulation. I nā holoholona hoʻohua i ka wā e like me nā hipa, hoʻololi ka ʻōlelo a me ka hana o nā neurons Kisspeptin me nā ʻano hoʻololi o ka wā, e pili ana i ka huna ʻana o GnRH a laila hoʻoponopono i ka wā hānau.


Ke komo ʻana i nā kaʻina hana physiological pili i ka hānau ʻana: ʻAʻole pili wale ʻo Kisspeptin i ka axis gonadal akā komo pū kekahi i nā kaʻina hana physiological pili i ka hānau ʻana. I loko o nā ovaries, pili pono ka ʻōlelo o Kisspeptin a me kāna mau mea hoʻokipa me ka hoʻomohala ʻana o ka follicle, maturation, a me ka ovulation. Hoʻopili ia i ka ulu ʻana o ka follicle a me ka synthesis hormone steroid ma o ka hoʻoponopono ʻana i nā hōʻailona endocrine kūloko a me nā paracrine i loko o nā ovaries. I loko o nā testes, hiki ke komo pū ʻo Kisspeptin i ka hoʻoponopono ʻana o ka spermatogenesis a me ka huna ʻana o ka testosterone.  





3. Nā noi


Hoʻomaʻamaʻa ʻana i ka male ʻole o ka wahine: I ka mālama ʻana i ka male ʻole o ka wahine, ua hōʻike ʻo Kisspeptin i ka waiwai kūpono. No nā poʻe maʻi me nā ovulatory abnormalities a i ʻole ka lawa ʻole o ka huna ʻana o ka gonadotropin ma muli o ka hypothalamic-pituitary dysfunction, exogenous administration of Kisspeptin a i ʻole nā ​​​​mea like ʻole e hoʻihoʻi i ka hana ovulatory maʻamau ma o ka hoʻoulu ʻana i ka huna ʻana o GnRH a me gonadotropin. No ka laʻana, i kekahi mau noiʻi lapaʻau, ʻo ka mālama ʻana me Kisspeptin analogues i nā mea maʻi me ka hypothalamic amenorrhea hana i ʻike ʻia e hoʻonui i ka huna ʻana o LH a me FSH, me kekahi mau mea maʻi e loaʻa hou ana i ka ovulation a me ka menstrual cycles.


Hoʻomaikaʻi i ka hana hānau kāne kāne: Ma ke kahua o ke olakino hānau kāne, paʻa pū ʻo Kisspeptin i nā noi hoʻohiki. No nā kāne maʻi me ka oligoasthenozoospermia a i ʻole hypogonadism ma muli o ka lawa ʻole o ka huna ʻana o ka gonadotropin, hiki i ka lāʻau Kisspeptin ke hoʻomaikaʻi i ka maikaʻi a me ka nui o ka sperm ma o ka paipai ʻana i ka hoʻokuʻu ʻana o GnRH a me nā gonadotropins, ma laila e hoʻonui ai i ka huna testosterone. Ua hōʻike ʻia nā haʻawina holoholona e hiki ke hoʻonui i ka pae testosterone i nā holoholona kāne, hoʻoikaika i ka spermatogenesis, a hoʻonui i ka mana hānau.


ʻO ka ʻenehana hana hoʻohua kōkua: Ma ke kaʻina hana in vitro fertilization-embryo transfer (IVF-ET), he mea koʻikoʻi ka hoʻomalu pono ʻana i ka ovulation wahine a me nā pae hormone. Hiki i ka Kisspeptin ke lawelawe ma ke ʻano he lāʻau lapaʻau hou no ka hoʻonui ʻana i nā protocol induction ovulation. Ma ka hoʻoponopono ʻana i ke ala hōʻailona Kisspeptin, hiki ke hoʻopaʻa pololei i ka ulu ʻana o ka follicle a me ka ovulation, hoʻomaikaʻi i ka nui o ka loaʻa ʻana o nā hua manu a me ka maikaʻi o ka embryo, a laila e hoʻonui ai i ka helu kūleʻa o IVF-ET.





4. Ka hopena


I ka hōʻuluʻulu ʻana, hāʻawi ʻo Kisspeptin i nā ala hou no ka hoʻomaikaʻi ʻana i ka hana hānau i ka mālama ʻana i ka ulu ʻana o ke kanaka.





Nā kumu


[1] Szeliga A, Męczekalski B. Kisspeptin Modulation of Reproductive Function[J]. Nā Endocrine, 2022. https://api.semanticscholar.org/CorpusID:250228276.


[2] Rt AKUK, Kuru M, Başer OM, et al. Kisspeptin: Ke kuleana i ka ʻike ʻole o ka wahine [J]. Nā Hormone Reproductive, 2020. https://api.semanticscholar.org/CorpusID:229493075.


[3] Smith JT, Hawken PAR, Lehman MN, et al. ʻO ke kuleana o ka kisspeptin i ka hana hānau ma ka hipa [J]. Nā Kaʻina Hana Bioscientifica, 2019. https://api.semanticscholar.org/CorpusID:85961626.


[4] Clarke H, Dhillo WS, Jayasena CN. Hōʻuluʻulu Manaʻo e pili ana iā Kisspeptin a me kāna kuleana i nā maʻi hānau hānau [J]. Endocrinology and Metabolism, 2015,30(2):124-141.DOI:10.3803/EnM.2015.30.2.124.


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