By Cocer Peptides 
kwanaki 29 da suka gabata
DUKKANIN LABARI DA BAYANIN KYAUTATAWA DA AKE BAYAR A WANNAN SHAFIN KAWAI DOMIN WATSA BAYANI NE DA MANUFOFIN ILIMI.
Kayayyakin da aka bayar akan wannan gidan yanar gizon an yi niyya ne kawai don binciken in vitro. Binciken in vitro (Latin: *a cikin gilashi*, ma'ana a cikin gilashin gilashi) ana gudanar da shi a wajen jikin mutum. Waɗannan samfuran ba magunguna ba ne, Hukumar Abinci da Magunguna ta Amurka (FDA) ba ta amince da su ba, kuma dole ne a yi amfani da su don hanawa, magani, ko warkar da duk wani yanayi na likita, cuta, ko cuta. Doka ta haramta shigar da waɗannan samfuran cikin jikin mutum ko dabba ta kowace hanya.
Dubawa
ARA-290 shine layin layi na 11-amino acid wanda ba hematopoietic polypeptide wanda aka samo daga erythropoietin (EPO). Yana aiwatar da tasirin halitta iri-iri ta hanyar ɗaure musamman ga mai karɓar gyara na asali (IRR). Ba kamar EPO ba, ARA-290 yana riƙe da anti-mai kumburi da ayyukan kariya na nama na EPO.
Hoto 1 Ilimin halitta na mai karɓar gyaran gyare-gyare na asali yana da halin da ake ciki na wucin gadi da na sararin samaniya na sassan masu karɓa, wanda ke haɗuwa don samar da mai karɓa na gyaran gyare-gyare da kuma ligand na endogenous, hyposialated erythropoietin (hEPO).
Tsarin Aiki
(1) Abubuwan da ke hana kumburi
Hana ƙaddamar da ƙwayar ƙwayar ƙwayar cuta: A cikin nau'o'in nau'i-nau'i daban-daban, ARA-290 yana nuna ikon hana ƙwayar ƙwayar cuta. Misali, a cikin ƙirar bakin ciki na linzamin kwamfuta wanda aka haifar da danniya na yau da kullun, gudanarwar yau da kullun na ARA-290 ya canza karuwa a cikin mitar da/ko adadin CD11b⁺Ly6Gʰⁱ neutrophils da CD11b⁺Ly6Cʰⁱ monocytes a cikin kasusuwan kasusuwa da meninges da ke haifar da danniya na yau da kullun, yayin da kuma rage yawan danniya ta hanyar rage damuwa. hali mai kama da damuwa a cikin beraye, tare da tasirin kama da na fluoxetine.
Ƙimar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar cuta ta ARA-290 ta tsara yadda ya kamata. A cikin tsarin lupus erythematosus (SLE) na tsarin linzamin kwamfuta, ARA-290 ya rage matakan jini na cytokines mai kumburi IL-6, MCP-1, da TNF-α, da mahimmancin maganin maganin antinuclear autoantibodies (ANAs) da anti-biyu-stranded DNA autoantibodies, rage IgG, da C.3. A cikin tsarin nephrotoxicity na cisplatin-induced, pre-jiyya tare da ARA-290 rage matakan cytokines pro-inflammatory irin su TNF-α, IL-6, da IL-1β, don haka ya rage amsawar kumburi a cikin nama na koda.
Hana hanyoyin sigina mai kumburi: ARA-290 na iya yin tasirin tasirinta ta hanyar hana wasu hanyoyin sigina masu alaƙa da kumburi. Bayan ɗaure zuwa IRR, yana iya yin tasiri ga jerin abubuwan da ke faruwa na ƙwayoyin cuta masu alaƙa da martani mai kumburi, ta haka ne ke toshe watsawa da haɓaka siginar kumburi kuma a ƙarshe yana rage halayen kumburi.
(2) Immunomodulatory effects
Ka'idar aikin macrophage: ARA-290 tana taka muhimmiyar rawa a cikin aikin macrophage. Gwaje-gwajen in vitro sun nuna cewa zai iya hana kumburin kunnawa na macrophages yayin haɓaka aikin su na phagocytic zuwa ƙwayoyin apoptotic. A cikin samfurin linzamin kwamfuta na SLE, ARA-290 yana rage adadin ƙwayoyin apoptotic a cikin kodan ta hanyar daidaita aikin macrophage, wanda zai iya zama ɗaya daga cikin mahimman hanyoyin da ke haifar da inganta alamun SLE.
Tasiri kan ma'auni na rigakafi: A cikin wasu nau'ikan cututtuka, ARA-290 na iya yin tasiri na tsarin rigakafi ta hanyar daidaita ma'auni tsakanin nau'ikan ƙwayoyin cuta daban-daban. A cikin ƙirar ƙwaƙwalwar ƙwaƙwalwar ƙwaƙwalwar ƙwaƙwalwar ƙwaƙwalwar ƙwaƙwalwar ƙwaƙwalwar ƙwaƙwalwar ƙwaƙwalwar ƙwaƙwalwar ƙwaƙwalwar ƙwaƙwalwar ƙwaƙwalwa, tsarin ARA-290 na ƙayyadaddun ƙayyadaddun ƙwayoyin ƙwayoyin cuta a cikin kasusuwan kasusuwa da meninges suna taimakawa wajen dawo da ma'auni na ƙwayoyin cuta, ta haka yana rage tasirin amsawar kumburi a kan tsarin jin tsoro da kuma inganta halin damuwa.
Hoto 2 Kunna masu karɓar gyare-gyare na asali yana rage allodynia na inji bayan raunin jijiya (SNI) a cikin berayen.
(3) Tasirin nama
Ƙaddamar da gyaran gyare-gyare da sabuntawa: ARA-290 yana nuna ikon inganta gyaran sel da sake farfadowa a cikin nau'ikan raunin nama. A cikin ƙirar bera mai ciwon sukari (DFU), aikace-aikacen gida na ARA-290 yana haɓaka ƙullewar rauni sosai, yana haɓaka abun ciki na collagen da furotin, kuma yana haɓaka gyaran raunin fata. Ana samun wannan ta hanyar kunna IRR, wanda hakan ke haifar da jerin hanyoyin siginar siginar ciki, inganta haɓakar ƙwayoyin cuta, ƙaura, da bambance-bambance, a ƙarshe yana haifar da gyara nama.
Rage lalacewa mai lalacewa: Ƙwararrun ƙwayar cuta yana taka muhimmiyar rawa wajen bunkasa cututtuka da yawa da suka shafi kumburi. ARA-290 na iya rage lalacewar oxidative danniya-jawo lalacewa ga sel nama. A cikin binciken akan atherosclerosis (AS), ARA-290 na iya hana samar da nau'in oxygen mai amsawa (ROS) ta hanyar macrophages a ƙarƙashin yanayin kumburi, rage matakan damuwa na oxidative, da rage lalacewa ga ƙwayoyin endothelial da ke haifar da lipoproteins oxidatively modified, don haka hana ci gaban AS. A cikin tsarin nephrotoxicity na cisplatin-induced, ARA-290 yana kawar da lalacewar koda na oxidative danniya ta hanyar haɓaka matakan enzyme antioxidant, ciki har da glutathione peroxidase (GPx) da superoxide dismutase (SOD), da rage malondialdehyde (MDA) da matakan ROS.
Aikace-aikace
(1) Ciwon Jiki
Rashin Raɗaɗi: Nazarin a cikin nau'ikan matsalolin damuwa na yau da kullun sun nuna cewa ARA-290 ya inganta halayen damuwa-kamar a cikin berayen, yana nuna yuwuwar aikace-aikacensa don magance matsalolin damuwa. Hanyoyin cututtuka na ciki yana da alaƙa da alaƙa da amsawar kumburi, kuma ARA-290 na anti-inflammatory da immunomodulatory effects na iya samar da sababbin dabaru don maganin rashin tausayi, mai yuwuwa haɓakawa zuwa wani sabon magani na antidepressant.
Ischemic Stroke: A cikin samfurin linzamin kwamfuta na tsakiya na tsakiya (MCAO), ARA-290 ya nuna tasirin neuroprotective kama da na erythropoietin (EPO), yana rage yawan apoptosis na neuronal da matakan cytokine mai kumburi a cikin kwakwalwa. Sakamakon neuroprotective na ARA-290 ana yin sulhu ta hanyar mai karɓa na β-adrenergic (βCR) kuma baya haifar da erythropoiesis. Wannan yana ba da sabbin dabarun shiga tsakani da yuwuwar magungunan warkewa don maganin bugun jini na ischemic.
(2) Cututtuka masu saurin kamuwa da cuta
Lupus erythematosus (SLE): Nazarin a cikin SLE linzamin kwamfuta model nuna cewa ARA-290 muhimmanci inganta SLE bayyanar cututtuka, ya hana samar da autoantibodies, rage koda kumburi da lalacewa, kuma ba ya motsa hematopoiesis. Ganin iyakokin halin yanzu a cikin jiyya na SLE, ARA-290 yana ɗaukar alƙawari a matsayin sabon ɗan takarar magani don SLE, yana ba marasa lafiya ƙarin zaɓuɓɓukan magani masu inganci.
(3) Matsalolin da ke da alaƙa da ciwon sukari
Ciwon ƙafar ƙafar ciwon sukari: A cikin ƙirar bera na ciwon ƙafar ƙafar ciwon sukari, aikace-aikacen gida na ARA-290 yadda ya kamata yana inganta warkar da rauni, inganta glucose da metabolism na lipid, kuma yana rage matakan kumburi. Wannan yana nuna cewa ARA-290 yana da yuwuwar aikace-aikace a cikin maganin cututtukan cututtukan da ke da alaƙa da ciwon sukari, yana ba da sabbin dabaru da hanyoyin magance cututtukan ƙafa masu ciwon sukari.
(4) Cututtukan koda
Cisplatin-induced nephrotoxicity: A cikin samfurin nephrotoxicity na cisplatin, ARA-290 ya rage lalacewar koda ta cisplatin ta hanyar anti-apoptotic, anti-inflammatory, da antioxidant effects. Wannan yana nuna cewa ARA-290 na iya zama sabon dabara don hanawa da kuma magance ciwon koda mai tsanani wanda ya haifar da cisplatin, yana ba da kariya ga marasa lafiya da ke fama da ciwon daji na cisplatin.
(5) Cututtukan zuciya
Atherosclerosis: Dukansu gwaje-gwajen in vitro da in vivo sun nuna cewa ARA-290 da kyau yana hana amsawar kumburi, samar da nau'ikan nau'in iskar oxygen mai aiki, apoptosis, ƙaura, da haɓakar ƙwayoyin kumfa a cikin macrophages na linzamin kwamfuta, da haɓakar yanki na plaque a cikin aortas na linzamin kwamfuta. Wannan yana nuna cewa ARA-290 yana da yuwuwar ƙimar aikace-aikacen a cikin anti-atherosclerosis kuma ana iya haɓaka shi zuwa sabon magani don rigakafi da maganin cututtukan zuciya.
Kammalawa
A taƙaice, ARA-290, a matsayin peptide tare da keɓaɓɓen anti-mai kumburi, immunomodulatory, da nama-kariya sakamako, yana da wasu damar warkewa a cikin maganin cututtuka daban-daban masu alaƙa da kumburi.
Sources
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