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We need to translate Russian news post into English, format per rules.
First line: short headline under 90 chars, no markdown. Then blank line, then body with short paragraphs (2-3 sentences each), separated by blank lines.
Wrap few genuinely important facts — key numbers, percentages, drug/company/gene names, dates — in double asterisks . At most 4-5 per post, never a whole sentence.
Wrap study/journal citations and publication references in single underscores _ (e.g., Nature Aging, July 2026).
We need to preserve all facts, numbers, names, citations exactly. No added commentary.
We need to identify important facts: dates (26 August), names (Lucrezia Trustus? Actually Russian: "Лукреция Трастус и Фабрицио д’Адда ди Фаганья". Likely "Lucrezia Trustus and Fabrizio d’Adda di Fagagna". Genes: p16Ink4a, p53, DNA polymerases ε and δ, telomeres, SASP. Numbers: less than a million senescent cells introduced, etc. Also mention of study in journal Aging.
We need to limit double asterisks to at most 4-5. Choose key facts: date 26 August, gene p16Ink4a, gene p53, DNA polymerases ε and δ, maybe less than a million senescent cells. That's 5.
We need to wrap study/journal citation: Aging (the journal). Possibly also mention of experiment by Fabrizio d’Adda di Fagagna group. But that's not a citation; it's a researcher. We'll keep citation as Aging.
Now produce translation.
First line headline: something like "Review Proposes Ways to Separate DNA Damage Signaling from Mutations in Aging". Under 90 chars.
Let's count: "Review Proposes Ways to Separate DNA Damage Signaling from Mutations in Aging" length: count characters: Review(6) space1=7, Proposes(8)=15, space=16, Ways(4)=20, space=21, to(2)=23, space=24, Separate(8)=32, space=33, DNA(3)=36, space=37, Damage(6)=43, space=44, Signaling(8)=52, space=53, from(4)=57, space=58, Mutations(9)=67, space=68, in(2)=70, space=71, Aging(5)=76. So 76 chars, okay.
Now blank line.
Now body paragraphs.
Paragraph 1: summarize that on August 26, Lucrezia Trustus and Fabrizio d’Adda di Fagagna in Aging reviewed cellular senescence vs somatic mutations, evaluating experiments distinguishing cause vs marker.
We need to keep facts: date 26 August, journal Aging, names, maybe mention "cellular senescence" and "somatic mutations". We'll wrap date and maybe journal? Journal citation is single underscore, not double. So date double asterisk, journal single underscore.
Paragraph 2: talk about somatic mutation definition, clonal expansion, genomic mosaic.
Paragraph 3: DNA damage includes signaling and repair; error can leave mutation; question.
Paragraph 4: experiments both ways for senescence: mouse models with altered genes removing p16Ink4a cells; later animals showed or weakened sarcopenia, cataract, lipodystrophy; introducing <1 million senescent cells to young mice worsened physical function. Need to wrap p16Ink4a double asterisk, maybe also "less than a million". We'll wrap p16Ink4a and "less than a million". That's two double asterisks.
Paragraph 5: Senescent cells secrete SASP, etc.
Paragraph 6: People with inherited defects in DNA polymerases ε and δ have more mutations but no premature aging signs. Wrap polymerases ε and δ double asterisk (maybe as "ε and δ").
Paragraph 7: In several accelerated aging models, suppressing p53 alleviated age-related pathologies despite critically short telomeres, indicating role of signaling. Wrap p53 double asterisk.
Paragraph 8: Experiment with telomeric damage signaling by Fabrizio d’Adda di Fagagna group improved hematopoietic recovery in mice without lengthening telomeres.
Paragraph 9: To test mutation role, authors suggest creating many base substitutions using base editors that change a letter without cutting both DNA strands; need to measure residual damage signal separately.…
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