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Peptides

Allura ɗaya Ta mayar da mitochondria a tsokokin kunkuru tsofaffi su yi aiki kamar na matasa a cikin sa’a guda

Helix Ward · · 5 min read

Allura guda ɗaya. Minti sittin. Mitochondria a tsokokin kunkuru tsofaffi sun fara aiki kamar na matasa

Wannan shine taken labarin da aka buga a jaridar Aging Cell a shekarar 2013 game da SS‑31, wacce aka fi sani da elamipretide, wani peptide da ke nufin mitochondria. Kafin a fara tunanin amfani da shi a mutanen: binciken ya faru ne a beraye kawai. Abubuwan da ke ƙasa suna bayani ne game da abin da aka gani a dabbobi, da kuma abin da aka samu (ko ba a samu ba) a cikin mutane tun daga nan.

Abin da Binciken Ya Gani

Wani ƙungiyar bincike a Jami'ar Washington, tare da haɗin gwiwar Hazel Szeto – wadda ta taimaka wajen ƙirƙirar SS‑31 – ta tambayi tambaya mai sauƙi: Shin maganin zai iya dawo da raguwar mitochondria da muke gani a tsokar tsofaffi cikin sauri?

Tsarin gwajin ya kasance mai sauƙi:

  • Kunkuru matasa: watanni 5.
  • Kunkuru tsofaffi: watanni 27, wato kusan mafi tsufa ga kunkuru.
  • Magani: allurar intraperitoneal guda ɗaya ta saline ko SS‑31 a 3 mg/kg.
  • Auna sakamako: bayan awa guda, ƙungiyar ta auna ƙarfin mitochondria in vivo ta hanyar fluorescence spectroscopy da ³¹P magnetic resonance spectroscopy, wato suna kallon tsoka a cikin rayuwarta ba tare da fitar da ita ba.
  • Bibiya: wani gwaji na daban ya yi amfani da maganin tsawon kwanaki takwas don tantance juriya gaba ɗaya a dabbobi.

Muhimmancin auna a rayuwa shi ne mafi kusanci da yanayin da ke faruwa a jiki. Yawancin sakamakon mitochondrial na auna a cikin sel da aka cire a cikin tukunya, yayin da a nan aka auna a tsokar da ke cikin dabbobin da aka bar su su ci gaba da rayuwa.

Abin da Binciken Ya Gano

Takardar ba ta ba da adadin tasirin a cikin taƙaitaccen bayani ba, don haka za mu mai da hankali kan manyan abubuwan da suka fito:

A kunkuru tsofaffi, bayan awa guda da aka ba su allura ɗaya, SS‑31 ta mayar da wadannan al'amura zuwa matakin matasa:

  • Samuwar ATP a cikin mitochondria a yanayin hutu
  • Samuwar ATP a matsakaicin ƙarfin aiki
  • P/O ratio, ma'aunin yadda oxidative phosphorylation ke haɗa amfani da oxygen da ƙirƙirar ATP
  • PCr/ATP ratio, alamar yanayin makamashi na tsoka

A tsokar matasa, SS‑31 babu tasiri da aka gani. Wannan na nufin ba ta ƙara ƙarfi gaba ɗaya ba, sai dai ta gyara wani abu da ya lalace a cikin tsokar tsofaffi.

Bayanan redox sun nuna abu guda: tsokar da aka magance da SS‑31 ta nuna ƙarancin glutathione da aka rage sosai da kuma ƙananan fitar H₂O₂ daga mitochondria. A sauƙaƙe, mitochondria sun kasance cikin yanayin ƙasa da damuwar oxidation.

Sakamakon aikin gaba ɗaya sun zo da:

  1. Juriya ga gajiya: tsokar tsofaffi da aka gwada in situ bayan awa guda na magani ta fi jurewa gajiya.
  2. Juriya (endurance): bayan kwanaki takwas na SS‑31, ƙarfin juriya gaba ɗaya na dabbobin ya ƙaru.

Dalilin da Yasa Take Aiki (Kamar yadda Shaida Ta Nuna)

SS‑31 ƙaramar peptide ce da ke da alaƙa da cardiolipin, wani phospholipid da ke cikin membrane na ciki na mitochondria inda ake faruwar sarkar watsawa na electrons. Manufar peptide ɗin ita ce ta haɗa da cardiolipin don tallafa wa tsarin da ke ƙirƙirar ATP, ta yadda zai ƙara ƙarfin samar da makamashi. Wannan na iya bayani yadda tasirin ya bayyana cikin awa guda kuma me ya sa aka ga shi a tsofaffi amma ba a matasa ba.

Wannan bayani samfur ne, ba tabbataccen aiki a mutane ba. Don haka ku ɗauki shi a matsayin hujja ɗaya daga cikin ɗimbin ƙididdiga.

Matsalar: Binciken Kunkuru Kawai

  • Bayanan dabbobi ne kawai. Kunkuru ba su da daidaituwa da mutane; abubuwa da ke faruwa a tsokar dabbobi ba lallai su ɗauki kamar a jikin ɗan adam ba.
  • Tasirin ya takaita ga gajeren lokaci. Sakamakon da aka ba da su na nuni ne da hoton awa guda bayan allura ɗaya, ba su nuna yadda fa'idar za ta ɗore ba ko ko za a iya maimaita ta.
  • Bibiya na kwanaki takwas. Wannan wata ma’auni ce gajere; ba a san ko akwai tasiri na dogon lokaci ba.
  • Allurar intraperitoneal ba hanyar da ake amfani da ita a mutane ba. Hanyar nufin dakin gwaje‑gwaje, ba a iya aiwatar da ita a gida ko a asibiti ba.
  • Masu rubutun suna da fata, ba tabbatacce ba. Sun ce SS‑31 na da "potential to be translated to humans", wato akwai yiwuwar, ba tabbaci ba.

Abin da Muke Da Shaida a Mutane

Elamipretide (wanda ake kira Bendavia) ta tsallake dogon tafiya a klinik, tare da sakamako masu sarkakiya.

  • Nasara: an samu amincewar gaggawa daga FDA don Barth syndrome a 2025. Wannan cuta ce ta gado wadda ke shafar mitochondria, kuma ta ƙunshi matsalolin cardiolipin – don haka tana dacewa da tsarin aikin maganin.
  • Kuskure: a gwajin primary mitochondrial myopathy (MMPOWER‑3), maganin ya kasa cimma manyan manufofinsa. Wannan yana nuna cewa sakamakon kunkuru masu ban mamaki ba su kaɗaita ba ga yanayin cutar da ke aibi a mutane.

Har yanzu babu wata hujja da ke nuna cewa elamipretide na sabunta tsoka a manyan mutane masu lafiya. Wannan shi ne abin da takardar kunkuru ta 2013 ta ba da haske akai, amma har yanzu ba a tabbatar da shi ba.

Yadda Ake Amfani Da Shi: Abubuwan Da Zai Taimaka

Ga waɗanda ke son sanin yadda suke ainihin:

  • Kudadi: babu wani ƙudadi da aka tantance don tsufa lafiya a mutane. Kudin da aka yi amfani da shi a beraye shine 3 mg/kg, amma ba za a iya juya shi kai tsaye ga mutum ba. Duk wani amfani a cikin mutane ya kamata a yi shi ƙarƙashin kulawar likita.
  • Lokaci: a binciken, tasirin an auna bayan awa guda da allura, yayin da ƙarin juriya ta zo ne bayan kwanaki takwas na magani. Waɗannan su ne yanayin gwaji, ba jadawalin al'umma ba.
  • Salo: maganin na allura ne, ba na baki ko na fata ba. Takardar ba ta bayar da hujja da ke nuna yadda ake amfani da shi ta baki.
  • Wanda Ya Dace: mutane da ke da amincewa da maganin (misali masu Barth syndrome) a ƙarƙashin kulawar likita, ko waɗanda ke shiga gwaje‑gwajen klinik.
  • Wanda Ya Kamata Ya Guje Shi: masu lafiya masu neman ƙarin ƙarfi ko tsawon rai, masu sha'awar DIY anti‑aging, da duk wani mai niyyar siya ba tare da takardar shaida ba.

Gargaɗi Game Da "Peptides" Na Kasuwa Marasa Izini

Idan kun ga SS‑31 ana sayar da shi a matsayin “peptide na bincike”, ku yi taka tsantsan. Irin waɗannan kayayyaki ba su da ƙula, ba a tantance sahihancin su, ba a tabbatar da daidaiton ƙudadi, kuma ba a tabbatar da sahihancin kwantena ba. Allura da ba a tabbatar da ita yana iya zama haɗari, kuma takardar kunkuru mai alƙawari ba za ta iya tabbatar da amincinta ba.

Karshe

Binciken ya nuna cewa, a cikin kunkuru tsofaffi, peptide da ke nufin mitochondria na iya canza tsarin makamashi zuwa matakin matasa cikin awa guda. Wannan ci gaba ne mai mahimmanci a matakin bincike na farko, amma ba yana nufin anti‑aging a mutane ba. Shaidun da aka samu a mutane har yanzu suna iyakance: amincewa a cutar gado (Barth syndrome) kuma gazawa a gwajin cutar mitochondrial myopathy. Labarin sabunta sa'a guda har yanzu yana nan a matsayin labarin kunkuru, kuma ya kamata a bar shi a haka.

Original study

Read the original research on pubmed.ncbi.nlm.nih.gov →

This article summarizes published research for general information. It is not medical advice.

HW

Written by

Helix Ward

Helix Ward writes for Biocracked: biohacking science, longevity & human performance.

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