Resultados para "Telomerase Activation"

20 artigos

Telomerase Structural Biology Reveals How Cells Maintain Chromosome Ends
Longevity & Aging

Telomerase Structural Biology Reveals How Cells Maintain Chromosome Ends

A 2026 review maps the molecular architecture of telomerase across four model organisms, illuminating cancer and aging disease mechanisms.

Artigo Científico
17 de mai. de 2026 0
New Insights Into How Telomerase Assembly Controls Cellular Aging and Cancer
Longevity & Aging

New Insights Into How Telomerase Assembly Controls Cellular Aging and Cancer

Comprehensive review reveals how telomerase biogenesis regulates telomere maintenance, offering new therapeutic targets for aging disorders.

Artigo Científico
5 de abr. de 2026 0
Telomerase Activation and Shelterin Complex Dynamics in Replicative Senescence
Longevity & Aging
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Telomerase Activation and Shelterin Complex Dynamics in Replicative Senescence

Deep dive into telomere biology, exploring how telomerase regulation and shelterin complex dynamics control cellular aging and senescence pathways.

TutorialAvançado
7 de abr. de 2026 0
RNA de Telomerase Sintética Estende a Expectativa de Vida de Células-Tronco em Pacientes com Doenças Teloméricas
Longevity & Aging

RNA de Telomerase Sintética Estende a Expectativa de Vida de Células-Tronco em Pacientes com Doenças Teloméricas

A RNA de telomerase modificada (eTERC) alonga os telômeros em iPSCs de pacientes e células-tronco do sangue, oferecendo uma potencial terapia para distúrbios da biologia dos telômeros.

Artigo Científico
3 de jun. de 2026 0
Circular RNA circHERC1 Activates Telomerase to Reverse Cellular Aging
Longevity & Aging

Circular RNA circHERC1 Activates Telomerase to Reverse Cellular Aging

Scientists discover a circular RNA that reactivates telomerase enzyme, extending telomeres and reversing aging markers in cells and tissues.

Artigo Científico
31 de mar. de 2026 0
Telomerase Protein Extends Cell Lifespan Without Lengthening Telomeres
Longevity & Aging

Telomerase Protein Extends Cell Lifespan Without Lengthening Telomeres

New research reveals hTERT can prevent cellular aging through telomere compaction rather than lengthening, challenging current understanding.

Artigo Científico
16 de abr. de 2026 0
Key Enzyme TOP3A Found to Control Cancer's Telomere Survival Trick
Longevity & Aging

Key Enzyme TOP3A Found to Control Cancer's Telomere Survival Trick

TOP3A topoisomerase is essential for ALT, a telomere-maintenance pathway used by 10–15% of cancers, opening new therapeutic targets.

Artigo Científico
23 de mai. de 2026 0
Telomerase Inhibitors Reach the Clinic as Cancer Therapy Comes of Age
Longevity & Aging

Telomerase Inhibitors Reach the Clinic as Cancer Therapy Comes of Age

A sweeping review maps how telomerase inhibitors evolved from lab concept to approved drug, spotlighting imetelstat's landmark approval in blood cancers.

Artigo Científico
21 de mai. de 2026 0
Three RNA Proteins Found to Control How Telomerase Reaches and Maintains Chromosome Ends
Longevity & Aging

Three RNA Proteins Found to Control How Telomerase Reaches and Maintains Chromosome Ends

A new Nature Communications study reveals NONO, SFPQ, and PSPC1 proteins guide telomerase from Cajal bodies to telomeres, with their loss causing progressive telomere shortening.

Artigo Científico
10 de mai. de 2026 0
How Cancer Hijacks Telomere Repair to Achieve Immortality
Longevity & Aging

How Cancer Hijacks Telomere Repair to Achieve Immortality

A comprehensive review reveals how cancer exploits telomere maintenance and DNA repair pathways—and how new therapies aim to shut them down.

Artigo Científico
24 de mai. de 2026 0
Scientists Map Telomerase Structure Revealing New Targets for Cellular Aging Research
Longevity & Aging

Scientists Map Telomerase Structure Revealing New Targets for Cellular Aging Research

Breakthrough imaging reveals how telomerase protects chromosome ends, offering new insights into cellular aging mechanisms.

Artigo Científico
28 de mar. de 2026 0
Scientists reveal how human telomerase forms protective dimers using cryo-EM imaging
Longevity & Aging

Scientists reveal how human telomerase forms protective dimers using cryo-EM imaging

New structural insights show how telomerase enzymes pair up through H/ACA RNA complexes, advancing our understanding of cellular aging mechanisms.

Artigo Científico
5 de abr. de 2026 0
Células Cancerígenas com ALT Compartilham a Estrutura da Extremidade dos Telômeros com Células Normais, Apesar do Alongamento Irregular
Cancer Research

Células Cancerígenas com ALT Compartilham a Estrutura da Extremidade dos Telômeros com Células Normais, Apesar do Alongamento Irregular

END-seq revela que os telômeros de cânceres ALT-positivos compartilham os terminais canônicos 5′ ATC com células normais, mas abrigam regiões de DNA de fita simples excepcionalmente abundantes.

Artigo Científico
3 de jun. de 2026 0
Food Compounds That Target Telomerase May Help Prevent Liver Cancer
Longevity & Aging

Food Compounds That Target Telomerase May Help Prevent Liver Cancer

A systematic review reveals how bioactive food compounds modulate telomerase activity to potentially prevent hepatocellular carcinoma.

Artigo Científico
20 de mai. de 2026 0
Nova Droga PROTAC Degrada a Enzima da Imortalidade do Câncer, TERT
Longevity & Aging

Nova Droga PROTAC Degrada a Enzima da Imortalidade do Câncer, TERT

Cientistas desenvolveram o NU-PRO-1, um PROTAC covalente inédito que degrada a transcriptase reversa da telomerase, com potencial para superar a resistência à terapia contra o câncer.

Artigo Científico
2 de jun. de 2026 0
Endurance Athletes Show 2x Higher Telomerase Gene Expression Than Sedentary Peers
Longevity & Aging

Endurance Athletes Show 2x Higher Telomerase Gene Expression Than Sedentary Peers

Middle-aged marathon runners showed 2.06-fold higher hTERT expression and significant cardiac adaptations compared to inactive controls.

Artigo Científico
17 de mai. de 2026 0
Cientistas Descobrem Como Telômeros Individuais Controlam Seu Próprio Comprimento
Longevity & Aging

Cientistas Descobrem Como Telômeros Individuais Controlam Seu Próprio Comprimento

Um novo estudo em levedura revela que os telômeros podem autorregular seu comprimento de forma independente por meio do recrutamento de Sir4-telomerase, reformulando nossa compreensão do envelhecimento.

Artigo Científico
7 de jun. de 2026 0
Brain Tumor Telomere Patterns Reveal New Treatment Targets
Cancer Research

Brain Tumor Telomere Patterns Reveal New Treatment Targets

Study of 183 brain tumor samples reveals distinct telomere maintenance patterns that could guide personalized cancer therapy.

Artigo Científico
17 de abr. de 2026 0
Epitalon Peptide Extends Telomeres in Human Cells via Two Distinct Pathways
Longevity & Aging

Epitalon Peptide Extends Telomeres in Human Cells via Two Distinct Pathways

A 2025 study shows epitalon lengthens telomeres in normal cells via telomerase and in cancer cells via ALT, offering new anti-aging insights.

Artigo Científico
16 de mai. de 2026 0
RNA Therapy Reverses Lung Scarring by Reactivating Telomerase in Human Tissue
Longevity & Aging

RNA Therapy Reverses Lung Scarring by Reactivating Telomerase in Human Tissue

Modified mRNA encoding hTERT restores telomerase activity, reduces senescence, and cuts fibrosis markers in end-stage pulmonary fibrosis tissue.

Artigo Científico
15 de mai. de 2026 0
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