#mitochondria

7 articles

Approach 4, conceptual metaphor, in palette D, bold color field. A single old brass pocket watch, photographed from a slightly high three-quarter angle, sits on a saturated mustard-yellow seamless backdrop. The watch case is cracked open and its glass is gone. One half of the gear train is clean and polished. The other half is corroded, with a dull green-black patina. A few fine droplets of clear liquid sit on the corroded gears, and one tiny electric green (#00e676) glint of oxidation shows at the edge of the damage. Hard but slightly diffused studio strobe from the upper left casts a crisp, short shadow on the yellow. The macro lens gives a shallow depth of field, with the sharpest focus on the split between healthy and damaged gears. The mood is cautionary, precise and quietly unsettling. No text or numerals appear on the dial.

Anti‑starački spoj spermidin ima tamnu stranu u starim T‑ćelijama

BY DR. SYNAPSE · 3. нов 2026.

Spermidin se široko reklamira kao anti‑starački poliamin, ali nova studija na miševim ćelijama otkriva da može narušiti određenu grupu starih imunih ćelija. U senescencijalnim CD49d‑ CD8⁺ T‑ćelijama smanjio je mitochondrialnu respiraciju, iscrplio antioksidativne rezerve i fragmentirao mitohondrije, dok susedne CD49d⁺ ćelije nisu pogođene. Ćelije iz mladih miševa reagovale su drugačije, što čini starost ključnim faktorom. Ovo je prekliničko istraživanje, ne dokaz o šteti kod ljudi, ali dovodi u pitanje ideju da spermidin pomaže svakoj starijoj ćeliji. Evo šta je rad otkrio i šta to znači (i ne znači) za vas.

Approach: conceptual metaphor. Palette: bold color field.

Subject: two identical brushed-steel analog pressure gauges side by side on a saturated mustard-yellow seamless backdrop, shot straight-on at eye level with a 85mm lens. The left gauge's needle swings down toward the low end, the right gauge's needle swings up into the high end, so they point in opposite directions. The dials are blank, with only unlabeled tick marks. A tiny electric green glass indicator lamp glows on the left gauge's rim. Lighting is a large softbox from the upper left, giving crisp highlights on the chrome bezels and short, clean shadows on the yellow surface. Shallow depth of field softens the background edges. Mood: playful, precise and tense, a visual argument between two opposing results.

longevity

NR usporio epigenetsko starenje mišića, dok je HIIT delovao suprotno

BY HELIX WARD · 2. нов 2026.

I suplementacija nikotinamid‑ribozidom (NR) i visokointenzivni intervalni trening (HIIT) reklamiraju se kao načini da mišići ostanu mlađi. Nova studija u časopisu *Aging Cell* pokazala je da NR smanjuje epigenetsku starost mišića, dok HIIT kod nekih epigenetskih satova pokazuje suprostan efekat – ubrzava starenje prema satovima DunedinPACE i sličnim.

Approach: conceptual metaphor. Palette: D, bold color field.

A tall glass of bright orange-gold liquid sits in the center of the frame, filled to the brim and overflowing down its sides, shot at a slight low angle. Beside it, a sealed, empty glass cylinder with a thin glass wall stays bone dry. A clear glass barrier stands between them, so the flow clearly never crosses. The backdrop is a saturated tomato-red seamless paper, with a glossy red surface reflecting both vessels. Hard, directional studio light from the upper left throws crisp, warm-neutral shadows and bright highlights along the glass rims and liquid droplets. One small electric green ring sits at the base of the empty cylinder as a subtle accent. Mood: tense, ironic, clean and editorial. Photorealistic, shallow depth of field, no text or labels.

supplements

Vaš CoQ10 dopire do krvi, ali ne i do mitohondrija

BY NOVA CHEN · 31. окт 2026.

Novi klinički pokušaj je stavio veoma popularan suplement za dugovečnost na probu uz biopsije mišića, a rezultati su neugodni za marketinšku priču. Kod 40 zdravih ispitanika prosečne starosti 74 godine, 400 mg dnevno CoQ10‑a tokom 12 nedelja podiglo je nivo u krvi, ali nije promenilo koncentraciju u mišiću i mitohondrijama. Ni mitohondrijska funkcija, VO₂max, kontrola glukoze niti telesna kompozicija nisu se promenili. Studija je mala, kratka i obuhvata isključivo robustne starije osobe, a glavni autor je konsultant firme Pharma Nord. Evo šta studija pokazuje, šta ne može da kaže i ko bi ipak trebao da se konsultuje sa lekarom o CoQ10‑u.

Approach: conceptual metaphor. Palette: bold color field.

A single oversized brass balance scale sits on a saturated tomato-red seamless backdrop, photographed at a low three-quarter angle. One pan holds a small, glowing ember-orange coal that is cooling and dimming to grey ash at its edges, standing for inflammation. The other pan holds a tightly coiled, freshly cut green plant sprout with a tiny electric green (#00e676) tip, standing for repair and growth. The scale tips slightly toward the ember, leaving the viewer unsure which side is better. Hard but clean studio key light from upper left casts a crisp, graphic shadow across the red surface. Brass shows real fingerprints and fine scratches, and the ash has a visible powdery texture. The mood is tense, thoughtful and questioning, with the whole image shot at shallow depth of field and the fulcrum in sharp focus. No text, no markings on the scale.

supplements

NMN smiruje upalu mišića posle treninga — ali po koju cenu?

BY NOVA CHEN · 28. окт 2026.

NMN se reklamira kao pojačivač ćelijske energije, ali nova studija na biopsijama mišića otkrila je iznenađujući rezultat. Nakon oštećujućeg treninga sa ograničenjem protoka krvi, doza od 1.200 mg dnevno NMN‑a suzbijala inflamatorne signale poput TNF‑α i IL‑10. Takođe je odložila pojavu markera povezanog sa reparacijom i ukinula 171 % porast mitohrondrijske mase koji je primećen u placebo grupi. Studija je veoma mala (11 neiskusnih mladih muškaraca), pa ne može doneti konačne zaključke. Ipak, dovodi u pitanje pretpostavku da je manja upala nakon treninga uvek bolja.

**Approach:** Conceptual metaphor, in a bold color field palette (D).

A single ripe pomegranate, split open, on a saturated teal backdrop. It is the natural source of urolithin A's precursors. The camera sits at a slightly low three-quarter angle, close enough to show glossy, translucent arils. On the left half, the arils sit dull and tightly packed. On the right, a few arils hold a faint electric green glow, as if lit from within, hinting at a selective response in one place and not another. Behind the fruit, a thin copper wire runs across the frame and is unbroken on one side and fraying on the other, standing for arteries versus brain vessels. Soft, directional studio light from the upper left casts crisp shadows. Mood: curious, restrained, quietly hopeful. No text anywhere.

supplements

Urolitin A nije popravio arterije za 4 nedelje, ali je mozak reagovao

BY NOVA CHEN · 26. окт 2026.

Dvostruko slepa studija na 50 odraslih osoba, starosti 40–64 godine, sa gojaznošću, pokazala je da doza od 1.000 mg urolitina A dnevno tokom četiri nedelje nije poboljšala protokom‑zavisnu dilataciju (FMD), glavni cilj istraživanja. Periferni mikrovaskularni parametri takođe su ostali nepromenjeni. Međutim, hemodinamički odgovori mozga na kognitivni zadatak bili su značajno veći kod onih koji su uzimali urolitin A, iako se performanse zadatka nisu promenile. Pošto je ova pojava sekundarna i potekla iz kratke, male studije, predstavlja smernicu, a ne konačan zaključak. Evo šta podaci pokazuju, šta ne pokazuju i šta to znači za sve koji razmišljaju o suplementu.

Macro science approach: an extreme close-up of PQQ disodium salt, a deep reddish-orange crystalline powder, heaped on the tip of a stainless steel micro-spatula. The camera is low, at a slight 30-degree angle, with a very shallow depth of field. The nearest crystals are razor sharp, showing faceted, glassy edges and fine granular dust, while the rest of the pile melts into soft blur. A single large softbox from the upper left creates bright specular glints on the crystal faces and a crisp, warm shadow. The backdrop is a smooth, saturated teal-green color field that contrasts strongly with the red-orange subject. A few stray grains rest on the matte teal surface below. A faint electric green reflection runs along the spatula's edge. The mood is precise, curious and scrutinizing, like an ingredient under inspection. No text or labels.

supplements

PQQ poboljšava memoriju za 12 nedelja i kod mlađih i kod starijih odraslih

BY NOVA CHEN · 25. окт 2026.

Dvostruko slep, placebo‑kontrolisan eksperiment je otkrio da 20 mg dnevno PQQ disodijum soli poboljšava rezultate memorije kod osoba od 20 do 65 godina posle 12 nedelja. Efekti su se pojavili u različitim periodima: mlađi su do nedelje 8 pokazali napredak u kognitivnoj fleksibilnosti i brzini obrade, dok su stariji (41‑65 god) unapredili verbalnu i složenu memoriju tek u nedelji 12. Ipak, autori studije rade za Mitsubishi Gas Chemical, proizvođača PQQ‑a, i apstrakt ne navodi veličinu uzorka. Evo šta je studija pokazala, šta nije i kako da je protumačite pre nego što kupite suplement.

**Approach: Lab in action. Palette: D, bold color field (teal).**

Overhead three-quarter angle on a gloved hand holding a small insulin-style syringe over a tray of mouse-muscle tissue samples. The nitrile glove is bright white, and the backdrop is a saturated teal lab bench surface with a soft sheen. Tiny clear microtubes sit in a rack, and a few contain a faint amber liquid. One thin electric green cap on a tube is the only green accent. The lighting is bright, even studio-like lab light with crisp, soft-edged shadows and a gentle highlight on the syringe barrel and a single hanging droplet at the needle tip. The depth of field is shallow, so the background tubes blur into teal. The mood is precise, focused and quietly hopeful, with no readable text or labels anywhere.

peptides

Jednim udarom u starog miša mišićne mitohondrije ponovo rade kao kod mladih za sat vremena

BY HELIX WARD · 22. окт 2026.

Jedna injekcija SS‑31 (elamipretid) vratila je proizvodnju energije u mišićnim mitohondrijama veoma starih miševa na nivoe mladosti u roku od jednog sata. Rezultat potiče iz studije na miševima iz 2013. godine, a ne iz kliničkih ispitivanja na ljudima. Peptid nije imao primetan efekat na mlade miševe, dok je osmodnevna terapija poboljšala izdržljivost kod starijih životinja. Kod ljudi je elamipretid odobren za Barth‑sindrom, ali je propustio primarne krajnje tačke u MMPOWER‑3 studiji mitohondrijske miopatije. Takođe se govori o opasnostima „srebrnih tržišta“ istraživačkih peptida.