Kedu ihe bụ mmetụta na ọrụ anwansi nke urolithin A? Kedu ngwaahịa ndị a na-agbakwunye

 Urolithin A bụ ihe dị mkpa na-arụ ọrụ n'ime ahụ mmadụ nke a na-ejikarị eme ihe n'ọgwụ na nlekọta ahụike. Ọ bụ enzyme nke akụrụ na-emepụta nke ukwuu ma nwee ọrụ nke ịgbaze mkpụkọ ọbara. Mmetụta na ọrụ anwansi nke Urolithin A na-egosipụtakarị n'akụkụ ndị a.

Urolithin A na-egbochi mmebi nke akwara

1. Kwalite mmepụta protein akwara ma mee ka ụzọ mgbaama mTOR rụọ ọrụ

Ihe ndị na-akpatara anụ anụmanụ nke rapamycin (mTOR) bụ ụzọ dị mkpa maka ịchịkwa mmepụta protein akwara. Urolithin A nwere ike ime ka ụzọ mTOR signaling rụọ ọrụ ma kwalite mmepụta protein na mkpụrụ ndụ akwara.

mTOR nwere ike ịchọpụta ihe mgbaàmà dịka nri na ihe ndị na-eto eto na mkpụrụ ndụ. Mgbe ọ gbanyere ya, ọ ga-amalite usoro nke mkpụrụ ndụ ihe mgbaàmà ndị dị n'okpuru ala, dịka protein ribosomal S6 kinase (S6K1) na protein mmalite eukaryotic 4E-binding 1 (4E-BP1). Urolithin A na-eme ka mTOR rụọ ọrụ, na-eme ka S6K1 na 4E-BP1 phosphorylation, si otú a na-akwalite mmalite nsụgharị mRNA na mgbakọ ribosome, ma na-eme ka njikọ protein dịkwuo ngwa ngwa.

Dịka ọmụmaatụ, na nnwale e mere na mkpụrụ ndụ akwara ndị a na-akọ n'ime vitro, mgbe etinyere urolithin A, a hụrụ na ọkwa phosphorylation nke mTOR na mkpụrụ ndụ ihe mgbaàmà ya dị n'okpuru mụbara, na ngosipụta nke ihe nrịbama njikọ protein akwara (dịka myosin heavy chain) mụbara.
Na-achịkwa ngosipụta nke ihe ntụgharị mkpụrụ ndụ akwara

Urolitin A nwere ike ịchịkwa ngosipụta nke ihe ndị metụtara akwara kpọmkwem nke dị mkpa maka mmepụta protein akwara na mgbanwe mkpụrụ ndụ akwara. Dịka ọmụmaatụ, ọ nwere ike ịbawanye ngosipụta nke ihe dị iche iche nke myogenic (MyoD) na myogenin.

MyoD na Myogenin nwere ike ịkwalite ọdịiche nke mkpụrụ ndụ akwara ka ọ bụrụ mkpụrụ ndụ akwara ma mee ka ngosipụta nke mkpụrụ ndụ ihe nketa nke akwara pụta ìhè, si otú a na-akwalite njikọ protein akwara. N'ihe nlereanya atrophy muscle, mgbe ọgwụgwọ urolithin A gasịrị, ngosipụta nke MyoD na Myogenin mụbara, nke na-enyere aka ịnọgide na-enwe oke akwara ma gbochie mbelata akwara.

2. Na-egbochi mmebi protein akwara ma na-egbochi sistemu ubiquitin-proteasome (UPS)

UPS bụ otu n'ime ụzọ ndị bụ isi maka mmebi protein akwara. N'oge atrophy muscle, a na-arụ ọrụ ụfọdụ ligases ubiquitin E3, dị ka muscle atrophy F-box protein (MAFbx) na muscle RING finger protein 1 (MuRF1), nke nwere ike itinye ubiquitin na protein akwara wee mebie ha site na proteasome.

Urolithin A nwere ike igbochi ngosipụta na ọrụ nke ligases ubiquitin E3 ndị a. N'ime nnwale anụmanụ, urolithin A nwere ike ibelata ọkwa nke MAFbx na MuRF1, belata akara ubiquitination nke protein akwara, si otú a na-egbochi mmebi protein akwara nke UPS na-akpata ma na-egbochi mbelata akwara nke ọma.

Mgbanwe nke sistemụ autophagy-lysosomal (ALS)

ALS na-arụ ọrụ n'ime ka protein na organelles dịghachi ọhụrụ, mana imegharị ahụ gabiga ókè nwekwara ike ibute mkpụkọ akwara. Urolithin A nwere ike ịchịkwa ALS ruo n'ókè kwesịrị ekwesị. Ọ nwere ike igbochi oke autophagy ma gbochie oke mmebi nke protein akwara.
Dịka ọmụmaatụ, urolithin A nwere ike ịchịkwa ngosipụta nke protein ndị metụtara autophagy (dịka LC3-II), ka o wee nwee ike idobe homeostasis nke gburugburu sel akwara ma zere oke mwepụ nke protein akwara, si otú a na-enyere aka ịnọgide na-enwe oke akwara.

3. Meziwanye metabolism ike nke mkpụrụ ndụ akwara

Mkpụkọ akwara chọrọ ike dị ukwuu, mitochondria bụkwa isi ebe mmepụta ike dị. Urolithin A nwere ike ime ka ọrụ mitochondria nke mkpụrụ ndụ akwara dịkwuo mma ma melite arụmọrụ mmepụta ike. Ọ nwere ike ịkwalite biogenesis mitochondrial ma mee ka ọnụọgụ mitochondria dịkwuo elu.

Dịka ọmụmaatụ, urolithin A nwere ike ime ka peroxisome proliferator-activated receptor γ coactivator-1α (PGC-1α) rụọ ọrụ, nke bụ isi ihe na-achịkwa mitochondrial biogenesis, na-akwalite mmegharị DNA mitochondrial na njikọ protein ndị metụtara ya. N'otu oge ahụ, urolithin A nwekwara ike imeziwanye ọrụ nke mitochondrial respiratory chain, mee ka mmepụta nke adenosine triphosphate (ATP) dịkwuo elu, nye ike zuru oke maka mkpụkọ akwara, ma belata mbelata akwara nke ike na-ezughị ezu kpatara.

Na-achịkwa metabolism shuga na lipid ma na-akwado ọrụ akwara

Urolithin A nwere ike ijikwa metabolism glucose na lipid nke mkpụrụ ndụ akwara. N'ihe gbasara metabolism glucose, ọ nwere ike ime ka mkpụrụ ndụ akwara na-anabata glucose ma na-eji ya eme ihe, ma hụ na mkpụrụ ndụ akwara nwere ike zuru oke site n'ịrụ ọrụ ụzọ mgbaàmà insulin ma ọ bụ ụzọ mgbaàmà ndị ọzọ metụtara ibuga glucose.

Maka mgbanwe na metabolism lipid, urolithin A nwere ike ịkwalite oxidation nke abụba, na-enye isi iyi ọzọ nke ike maka mkpụkọ akwara. Site n'ime ka glucose na lipid metabolism dịkwuo mma, urolithin A na-ejigide ike nke mkpụrụ ndụ akwara ma na-enyere aka igbochi mbelata akwara.

Urolithin A na-eme ka metabolism dịkwuo mma

1. Hazie metabolism shuga ma melite mmetụta insulin
Urolithin A nwere ike ime ka mmetụta insulin dịkwuo mma, nke dị mkpa maka ịnọgide na-enwe nguzozi shuga dị n'ọbara. Ọ nwere ike ịrụ ọrụ na mkpụrụ ndụ dị mkpa dị na ụzọ mgbaàmà insulin, dịka protein insulin receptor substrate (IRS).

N'ọnọdụ insulin na-eguzogide, a na-egbochi tyrosine phosphorylation nke protein IRS, nke na-eme ka ụzọ mgbaama phosphatidylinositol 3-kinase (PI3K) ghara ịrụ ọrụ nke ọma, mmeghachi omume nke mkpụrụ ndụ na insulin na-ebelatakwa.

Urolithin A nwere ike ịkwalite tyrosine phosphorylation nke protein IRS, si otú a na-eme ka ụzọ mgbaama PI3K-protein kinase B (Akt) rụọ ọrụ, na-eme ka mkpụrụ ndụ nwee ike ịmịkọrọ ma jiri glucose nke ọma. Dịka ọmụmaatụ, na nnwale anụmanụ, mgbe e nyesịrị urolithin A, mmetụta nke akwara na anụ ahụ adipose na insulin ka mma nke ukwuu, a chịkwara ọkwa shuga dị n'ọbara nke ọma.

Na-achịkwa mmepụta na mbelata glycogen

Glycogen bụ ụdị nchekwa glucose dị n'ahụ, nke a na-echekwakarị n'ime imeju na akwara. Urolithin A nwere ike ijikwa mmepụta na mmebi nke glycogen. Ọ nwere ike ime ka glycogen synthase rụọ ọrụ, kwalite mmepụta glycogen, ma mee ka nchekwa glycogen dịkwuo elu.

N'otu oge ahụ, urolithin A nwekwara ike igbochi ọrụ nke enzymes glycogenolytic, dị ka glycogen phosphorylase, ma belata oke glycogen agbazere ghọọ glucose ma tọhapụ n'ime ọbara. Nke a na-enyere aka mee ka ọkwa shuga dị n'ọbara kwụsie ike ma gbochie oke mgbanwe na shuga dị n'ọbara. N'ọmụmụ ihe nlereanya nke ndị ọrịa shuga, mgbe ọgwụgwọ urolithin A gasịrị, ọdịnaya glycogen dị n'ime imeju na akwara mụbara, a ka mmakwa ịchịkwa shuga dị n'ọbara.

2. Mee ka metabolism lipid ka mma ma gbochie njikọta abụba

Urolithin A nwere mmetụta mgbochi na usoro mmepụta lipid. N'ime imeju na anụ ahụ adipose, ọ nwere ike igbochi enzymes dị mkpa na mmepụta abụba, dịka fatty acid synthase (FAS) na acetyl-CoA carboxylase (ACC).

FAS na ACC bụ enzymes dị mkpa na nhazi de novo nke abụba asịd. Urolithin A nwere ike ibelata mmepụta nke abụba asịd site na igbochi ọrụ ha. Dịka ọmụmaatụ, na ụdị imeju abụba nke nri nwere abụba dị elu na-akpali, urolithin A nwere ike ibelata ọrụ nke FAS na ACC n'ime imeju, belata mmepụta nke triglycerides, ma si otú a belata mkpokọta lipid n'ime imeju.

Na-akwalite oxidation nke abụba acid

Na mgbakwunye na igbochi mmepụta abụba, urolithin A nwekwara ike ịkwalite mmebi oxidative nke abụba asịd. Ọ nwere ike ime ka ụzọ mgbaàmà na enzymes metụtara oxidation nke abụba asịd rụọ ọrụ. Dịka ọmụmaatụ, ọ nwere ike ime ka ọrụ nke carnitine palmitoyltransferase-1 (CPT-1) dịkwuo elu.

CPT-1 bụ isi enzyme dị mkpa na β-oxidation nke abụba acid, nke na-ahụ maka ibuga abụba acid na mitochondria maka mmebi oxidative. Urolithin A na-akwalite β-oxidation nke abụba acid site na ime ka CPT-1 rụọ ọrụ, na-eme ka ike abụba dịkwuo elu, na-enyere aka belata nchekwa abụba ahụ, ma na-eme ka metabolism lipid ka mma.

3. Meziwanye metabolism ike ma melite ọrụ mitochondrial

Mitochondria bụ "ụlọ ọrụ ike" nke mkpụrụ ndụ, urolithin A nwekwara ike ime ka ọrụ mitochondria ka mma. Ọ nwere ike ịchịkwa biogenesis mitochondrial ma kwalite njikọ na mmeghari ohuru nke mitochondrial. Dịka ọmụmaatụ, ọ nwere ike ime ka peroxisome proliferator-activated receptor gamma coactivator-1α (PGC-1α) rụọ ọrụ.

PGC-1α bụ isi ihe na-achịkwa mitochondrial biogenesis, nke nwere ike ịkwalite mmeghari DNA mitochondrial na njikọta nke protein ndị metụtara mitochondrial. Urolithin A na-eme ka ọnụọgụgụ na ịdị mma nke mitochondria dịkwuo elu ma na-eme ka arụmọrụ mmepụta ike nke mkpụrụ ndụ dịkwuo mma site na ịgbalite PGC-1α. N'otu oge ahụ, urolithin A nwekwara ike imeziwanye ọrụ nke mitochondria respiratory yinye ma mee ka mmepụta nke adenosine triphosphate (ATP) dịkwuo elu.

4. Ịhazi Mgbanwe Mmegharị Metabolic nke Cellular

Urolithin A nwere ike iduzi mkpụrụ ndụ ka ha mee mgbanwe usoro metabolic, na-eme ka metabolism nke mkpụrụ ndụ dịkwuo irè. N'okpuru nrụgide ma ọ bụ ọnọdụ ọrịa ụfọdụ, usoro metabolic nke mkpụrụ ndụ nwere ike ịgbanwe, na-ebute mbelata arụmọrụ na mmepụta ike na mmepụta ihe.

Urolithin A nwere ike ịchịkwa ụzọ mgbaama metabolic na mkpụrụ ndụ, dịka ụzọ mgbaama protein kinase (AMPK) nke AMP-activated. AMPK bụ "ihe mmetụta" nke metabolism ike sel. Mgbe urolithin A mere ka AMPK rụọ ọrụ, ọ nwere ike ịkpalite mkpụrụ ndụ ka ha si na anabolism gaa na catabolism, na-eji ike na ihe oriri eme ihe nke ọma, si otú a na-eme ka ọrụ metabolic zuru oke ka mma.

Iji urolithin A eme ihe abụghị naanị n'ihe gbasara ahụike. Ọ na-aghọkwa ihe a na-ahụkarị n'ihe gbasara ahụike na ihe ịchọ mma. A na-etinye Urolithin A n'ọtụtụ ngwaahịa ahụike iji mee ka ahụ ghara ịlụso ọrịa ọgụ, melite mgbasa ọbara ma kwalite metabolism. Ngwaahịa ndị a na-abụkarị n'ụdị kapsụl, mbadamba ma ọ bụ mmiri mmiri, dabara adaba maka mkpa nke otu dị iche iche nke mmadụ.

N'ihe gbasara ihe ịchọ mma, a na-ejikarị urolithin A eme ihe n'ihe gbasara nlekọta akpụkpọ ahụ n'ihi mmụba mkpụrụ ndụ ya na ikike ya igbochi ịka nká. Ọ nwere ike ime ka ọbara na-agbagharị n'akpụkpọ ahụ ka mma ma kwalite njikọ collagen, si otú a na-eme ka akpụkpọ ahụ na-agbanwe agbanwe ma na-egbuke egbuke. Ọtụtụ ụdị nlekọta akpụkpọ ahụ dị elu amalitela iji urolithin A dị ka ihe dị mkpa iji wepụta ngwaahịa mgbochi ịka nká, ndozi na mmiri mmiri iji mezuo ọchịchọ ndị ahịa maka akpụkpọ ahụ mara mma.

Na mmechi, dịka ihe na-arụ ọrụ n'ime ahụ nke nwere ọtụtụ ọrụ, urolithin A egosila ohere sara mbara maka ojiji n'ọhịa ọgwụ, nlekọta ahụike na ịma mma. Site na mmụba nke nyocha sayensị, ubi ojiji nke urolithin A ga-anọgide na-agbasa, na-enye nhọrọ ndị ọzọ maka ahụike na ịma mma nke ndị mmadụ.