|
1 kits (10 Vials)
| Yawan: | |
|---|---|
▎ Tsarin TB4
Source: PubChem |
Jerin: LKKTETQ Tsarin kwayoyin halitta: C 38H 68N 10O14 Nauyin Kwayoyin: 889.0 g/mol Lambar CAS: 885340-08-9 Saukewa: 62707662 Ma'ana: QHK6Z47GTG |
▎ TB4 Bincike
Menene asalin bincike na TB4?
TB4 ƙaramin peptide ne da aka sarrafa daga wurin aiki na thymosin β4. Thymosin β4 yana da damar sake farfadowa na nama, anti-kumburi, da gyaran sauri, kuma TB4 ya gaji waɗannan kaddarorin kuma. Da farko, a cikin bincike kan thymosin β4, an gano cewa yana da ayyuka masu yawa na ilimin halitta, yana taka muhimmiyar rawa a fannoni kamar ƙaurawar tantanin halitta, gyaran nama, da ƙa'idodin kumburi. TB4 shine guntu mai aiki na thymosin β4. Masu bincike suna fatan cewa ta hanyar nazarin TB4, za su iya samun zurfin fahimtar tsarin aikinta da kuma gano ko za a iya samar da shi zuwa wani magani tare da takamaiman dalilai na warkewa.
A cikin wuraren gyaran raunuka da lalacewar nama da cututtuka na yau da kullum suka haifar, hanyoyin maganin gargajiya suna da wasu iyakoki. Saboda yuwuwar ikonsa na haɓaka ƙaura da gyare-gyaren nama, TB4 ya zama wurin bincike, kuma mutane suna tsammanin zai samar da sabbin dabaru da hanyoyin magance waɗannan cututtukan. Misali, a cikin binciken cututtuka irin su ciwon zuciya na zuciya da raunin jijiya, ana gudanar da bincike don gano ko TB4 na iya inganta gyaran kyallen jikin da suka lalace da kuma dawo da ayyukansu.
'Yan wasa suna fuskantar rauni daban-daban yayin horo da gasa, gami da raunin tsoka da raunin jijiya. An yi imanin cewa TB4 na iya taimakawa wajen hanzarta gyare-gyaren rauni da kuma inganta saurin farfadowa na raunin wasanni, don haka ya jawo hankali a fannin likitancin wasanni. Wasu nazarin suna ƙoƙarin gano yuwuwar aikace-aikacen TB4 a cikin gyaran raunin 'yan wasa. Duk da haka, a lokaci guda, shi ma ya haifar da cece-kuce game da ko ana iya amfani da shi azaman maganin ƙara kuzari. Tare da haɓakar magunguna, buƙatar sababbin magunguna suna karuwa akai-akai. A matsayin sinadarin peptide tare da tsarin aiki na musamman, TB4 yana da yuwuwar haɓakawa zuwa sabon nau'in magani, yana ba da ƙarin zaɓuɓɓuka don maganin asibiti.
Menene tsarin aikin TB4?
Inganta farfadowar nama:
TB4 ƙaramin peptide ne da aka sarrafa daga wurin aiki na thymosin β4. Thymosin β4 yana da ikon inganta farfadowa na nama, kuma TB4 ya gaji wannan dukiya. Yana iya inganta farfadowar nama ta hanyoyi masu zuwa:
Hanyoyi masu kunna siginar salula:
Yana iya kunna wasu takamaiman hanyoyin siginar tantanin halitta don haɓaka haɓakar ƙwayoyin cuta da bambanta. Misali, yana iya kunna hanyoyin siginar da ke da alaƙa da haɓakar tantanin halitta da gyarawa, kamar hanyar sigina ta PI3K/Akt, da sauransu, ta haka yana haɓaka haɓakar tantanin halitta da rarrabuwa da haɓaka haɓakar nama [1].
Gudanar da matrix extracellular:
Matrix na extracellular yana taka muhimmiyar rawa a cikin farfadowar nama. TB4 na iya daidaita kira da lalata matrix extracellular, inganta mannewar salula, ƙaura, da gyaran nama. Alal misali, yana iya ƙara haɓakar collagen da elastin, inganta tsari da aikin kyallen takarda [1]..
Tasirin hana kumburi:
Kumburi shine amsawar kariyar jiki ga rauni da kamuwa da cuta, amma yawan kumburi zai iya haifar da lalacewar nama. TB4 yana da tasirin maganin kumburi kuma yana iya hana samar da masu shiga tsakani. Masu shiga tsakani masu kumburi irin su cytokines da chemokines suna taka muhimmiyar rawa a cikin amsawar kumburi. TB4 na iya hana samar da waɗannan masu shiga tsakani na kumburi, ta haka ne ya rage amsawar kumburi. Alal misali, yana iya hana samar da abubuwa masu kumburi kamar ƙwayar necrosis factor-α (TNF-α) da interleukin-1β (IL-1β) [1]..
Gudanar da aikin ƙwayoyin rigakafi:
Kwayoyin rigakafi suna taka muhimmiyar rawa a cikin amsawar kumburi. TB4 na iya daidaita aikin ƙwayoyin rigakafi, kamar daidaita ayyukan macrophages da lymphocytes, don haka rage amsawar kumburi. Alal misali, yana iya inganta canjin macrophages zuwa wani nau'in anti-mai kumburi da kuma hana kunnawa da yaduwar lymphocytes [1].
Hanzarta yaɗuwar tantanin halitta da bambance-bambance:
Ta hanyar kunna hanyoyin siginar tantanin halitta da daidaita matrix extracellular, TB4 na iya haɓaka haɓakar tantanin halitta da rarrabuwa, haɓaka gyaran kyallen jikin da suka lalace [1].
Rage martani mai kumburi:
Amsa mai kumburi zai jinkirta gyaran nama, kuma tasirin anti-inflammatory na TB4 zai iya rage amsawar kumburi, ƙirƙirar yanayi mai kyau don gyaran nama [1].
Inganta angiogenesis:
Angiogenesis yana da mahimmanci don gyaran nama. TB4 na iya haɓaka angiogenesis, haɓaka samar da jini zuwa kyallen da suka lalace, samar da abinci mai gina jiki da iskar oxygen ga sel, da haɓaka gyaran nama [1].
Dokokin MMP/TIMP akan fibrosis na hanta.
Source:PubMed [3]
Ta yaya TB4 ke sarrafa kira da lalata matrix na extracellular?
Ma'auni tsakanin kira da lalata matrix extracellular (ECM) yana da mahimmanci don kiyaye tsari na al'ada da aikin kyallen takarda. TB-500 na iya yin tasiri akan haɗin matrix na extracellular ta hanyoyi masu zuwa:
Haɓaka shigar collagen:
An yi imanin cewa TB-500 zai iya inganta haɓakar ƙwayoyin cuta, kuma collagen wani muhimmin sashi ne na matrix na extracellular. Ƙayyadaddun tsarin aiki na iya haɗawa da ƙayyadaddun hanyoyin siginar tantanin halitta da ke cikin haɗin haɗin gwiwar collagen. Misali, yana iya haɓaka bayyanar ƙwayoyin collagen ta hanyar kunna wasu abubuwan haɓakawa ko abubuwan rubutu, ta haka ƙara haɓakar collagen [2]..
Inganta bambance-bambancen cell endothelial da angiogenesis:
Kwayoyin Endothelial suna ɓoye nau'ikan abubuwan matrix na waje daban-daban yayin aiwatar da samuwar jini. TB-500 yana haɓaka bambance-bambancen sel na endothelial da angiogenesis a cikin kyallen fata, wanda zai iya haɓaka haɗin matrix na extracellular a kaikaice. Sabbin hanyoyin jini suna buƙatar goyon bayan matrix na extracellular, wanda zai iya motsa sel don haɗa ƙarin abubuwan matrix na extracellular [2].
Tasiri kan lalacewa na matrix extracellular:
Yana iya tsara ayyukan matrix metalloproteinases (MMPs) da masu hana su (TIMPs):
Lalacewar matrix extracellular an tsara shi ne ta hanyar matrix metalloproteinases da masu hana su. Ko da yake a halin yanzu babu wata shaida ta kai tsaye cewa TB-500 tana tsara ayyukan MMPs da TIMPs, la'akari da cewa TB-500 yana da tasirin inganta ƙaurawar cell da kuma warkar da raunuka, kuma hanyoyin tafiyar da kwayar halitta da raunin raunuka yawanci suna tare da sake fasalin matrix na extracellular, wannan na iya haɗawa da tsarin MMPs da TIMPs. Misali, a cikin binciken fibrosis na hanta, matrix metalloproteinases da takamaiman masu hana su (watau masu hana nama na metalloproteinases, TIMPs) suna taka muhimmiyar rawa wajen haɓakar collagen da rushewar. Ta hanyar maido da ma'auni tsakanin MMPs da TIMPs, za a iya hana tarin matrix na extracellular, don haka rage fibrosis na hanta [3].
Ƙaddamar da lalata matrix na extracellular a kaikaice ta hanyar shafar halayen tantanin halitta:
TB-500 na iya inganta ƙaura na keratinocyte. Yayin aiwatar da ƙaura ta tantanin halitta, sel suna buƙatar daidaita lalata matrix na waje don share hanya. Wannan na iya haɗawa da ɓoye wasu enzymes ko dalilai ta sel don daidaita lalata matrix na waje. Misali, a wasu hanyoyin tafiyar da ilimin lissafi da ilimin halittar jiki, sel suna ɓoye matrix metalloproteinases don lalata matrix na extracellular don ƙaura [2].
A waɗanne hanyoyi ne TB4 ke hulɗa da kwayoyin halitta don haɓaka farfadowar tsoka?
Sakin kwayoyin halittu masu rai:
Kwayoyin halitta na iya zama masu ɗaukar kaya kuma suyi aiki tare tare da TB4 don sakin kwayoyin halittu masu rai, suna haɓaka farfadowar tsoka. Misali, wasu kwayoyin halitta na iya sakin abubuwa masu aiki kamar abubuwan girma. Wadannan abubuwa suna aiki tare da TB4 don haɓaka haɓakawa da bambance-bambancen ƙwayoyin tsoka. TB4 kanta yana da tasirin inganta ƙaurawar tantanin halitta da angiogenesis. Haɗe tare da ƙwayoyin aiki masu aiki da kwayoyin halitta suka fitar, zai iya inganta haɓakar ƙwayar tsoka [4, 5] da kyau..
Matsayin kayan aikin biomimetic:
Kayan aikin biomimetic suna kwaikwayi tsarin halitta da aikin kyallen jikin tsoka, suna samar da microenvironment mai dacewa don TB4. Irin waɗannan kayan aikin biomimetic na iya zama mafi dacewa tare da kyallen ƙwayar tsoka, inganta aikin TB4 a wurin da ya lalace. Misali, kayan biomimetic tare da takamaiman tsari na pore na iya ba da tallafi don haɓakar tantanin halitta, kuma a lokaci guda, ba da izinin TB4 don yaduwa da aiki mafi kyau [4].
Immunomodulatory sakamako:
Biomaterials na iya inganta farfadowar tsoka ta hanyar daidaita tsarin rigakafi, tare da haɗin gwiwa tare da TB4. Nazarin ya nuna cewa biomaterials na iya daidaita polarization na macrophages, don haka sarrafa amsawar rigakafi da kuma samar da yanayi mai kyau don farfadowa na tsoka. TB4 na iya ƙara haɓaka wannan tasirin immunomodulatory ta hanyar shafar ayyukan ƙwayoyin rigakafi. Misali, ta hanyar immunomodulation mai shiga tsakani ta biomaterials, za a iya daidaita polarization na macrophages don inganta farfadowar nama mai laushi na tsarin musculoskeletal, kuma TB4 na iya taka rawar daidaitawa a cikin wannan tsari [5]..
Haɗin sel mai tushe da abubuwan halitta:
Kwayoyin kara suna taka muhimmiyar rawa wajen farfado da tsoka. Haɗuwa tare da kwayoyin halitta da TB4 na iya samar da dabarun magani mafi inganci. Yawancin yawan ƙwayoyin sel, irin su mesenchymal stem cell da adipose-derived sel stem cell, suna shiga cikin farfadowar tsoka. Kwayoyin halitta na iya ba da tallafi da jagora ga ƙwayoyin sel, yayin da TB4 na iya haɓaka ƙaura, rayuwa, da bambance-bambancen sel masu tushe. Haɗuwa da ukun na iya shawo kan iyakokin yin amfani da su kadai kuma ya inganta farfadowar tsoka.
Inganta farfadowar jijiya:
Farfadowar jijiya na gefe kuma tana taka muhimmiyar rawa wajen farfadowar tsoka. Biomaterials na iya samar da haɗin gine-gine don inganta farfadowa na jijiyoyi, kuma TB4 na iya kara inganta farfadowa na jijiyoyi da kuma dawo da aikin tsoka ta hanyar rinjayar maganganun kwayoyin da ke da alaka da neurogenesis. Alal misali, wasu nazarin sun gano cewa kwayoyin halittar da ke da alaka da neurogenesis suna haɓakawa, suna nuna rawar da ke tattare da farfadowa na jijiyoyi a cikin tsaka-tsakin dawo da karfin tsoka, da biomaterials da TB4 na iya haɓaka wannan tsari tare [6]..
Aiwatar da abubuwan da ke da alaƙa da maganadisu:
Sabbin abubuwan da suka dace da yanayin maganadisu na iya haɓaka farfadowar tsoka ta hanyar haifar da magunguna da isar da tantanin halitta. Ana iya amfani da TB4 a haɗe tare da irin waɗannan abubuwan halitta don inganta aikin gyaran gyare-gyare na tsokoki da suka lalace. Alal misali, ana iya amfani da gel ɗin gel na baƙin ƙarfe na biphasic don sadar da kwayoyin halitta da abubuwan haɓaka, daidai lokacin a cikin vivo don haɓaka farfadowar tsoka mai aiki a lokacin kumburi. TB4 na iya yin aiki tare da wannan biomaterial don ƙara haɓaka farfadowar tsoka [7].
Gabaɗaya, a matsayin ƙaramin peptide da aka sarrafa daga wurin aiki na thymosin β4, TB4 ya nuna yuwuwar yuwuwar haɓakar nama, rigakafin kumburi, da saurin gyarawa. Bincike ya gano cewa zai iya inganta bambancin kwayoyin halitta, angiogenesis, da ƙaura na keratinocyte, kuma yana iya daidaita tsarin kira da lalata matrix na extracellular. A cikin filin gyaran gyare-gyaren tsoka, TB4 na iya kawo sabon bege don gyaran raunin wasanni ta hanyar inganta haɓakawa da bambance-bambancen ƙwayoyin ƙwayoyin tsoka, daidaita tsarin amsawar ƙwayar cuta, da yin hulɗa tare da kwayoyin halitta. TB4 yana da yuwuwar zama magani mai inganci don maganin adjuvant na lalacewar nama da cututtuka masu alaƙa.
Game da Marubuci
Abubuwan da aka ambata a sama duk bincike ne, gyara su kuma Cocer Peptides ne suka haɗa su.
Mawallafin Jaridar Kimiyya
Ye J mai bincike ne a Jami'ar Zhejiang kuma memba ne na Kungiyar Magungunan Magungunan Magungunan Kashin Kashin Kashin Kashin Kashin Kashin Kashin Kashin Kaya na kasar Sin (CORMed). Yankunan bincikensa sun haɗa da aikin injiniya, kimiyyar kayan aiki, tsarin sarrafa kansa da sarrafawa, kasuwanci da tattalin arziki, da hanyoyin lissafi a cikin ilimin zamantakewa. Ye J ya kasance tare da cibiyoyin ilimi da kungiyoyi daban-daban, kamar Opt Clearing Corp, CTC Holdings, Jami'ar Illinois Chicago, da Dalian Institute of Chemical Physics, CAS. An jera Ye J a cikin ambaton ambaton [5].
