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Sex Specific Longitudinal Reversal of Aging and Frailty via Defined Pharmacology
Sex Specific Longitudinal Reversal of Aging and Frailty via Defined Pharmacology
상세정보
- 자료유형
- 학위논문 서양
- 최종처리일시
- 20260202103139
- ISBN
- 9798288861888
- DDC
- 610
- 서명/저자
- Sex Specific Longitudinal Reversal of Aging and Frailty via Defined Pharmacology
- 발행사항
- [Sl] : University of California, Berkeley, 2025
- 발행사항
- Ann Arbor : ProQuest Dissertations & Theses, 2025
- 형태사항
- 50 p
- 주기사항
- Source: Dissertations Abstracts International, Volume: 87-01, Section: B.
- 주기사항
- Advisor: Conboy, Irina M.
- 학위논문주기
- Thesis (Ph.D.)--University of California, Berkeley, 2025.
- 초록/해제
- 요약Important studies report acute rejuvenation of mammalian cells and tissues by blood heterochronicity, old plasma dilution, defined factors, and partial reprogramming. And, extension of rodent lifespan via single-prong methods was tried in recent years. Here, we examined whether simultaneous calibration of pathways that change with aging in opposite directions would be more effective in increasing healthspan and lifespan. Moreover, we started with the challenging age group - frail 25-months-old mice that are equivalent to ~75-year-old people. We used an Alk5 inhibitor (A5i) of the age-elevated, pro-fibrotic TGF-beta pathway that regulates inflammatory factors, including IL-11, and oxytocin that is diminished with age and controls tissue homeostasis via G-protein-coupled receptor and ERK signaling. Treatment of old frail mice with oxytocin+A5i resulted in a remarkable 73% life extension from that time, and a 14% increase in the overall median lifespan. Further, these animals had significantly increased healthspan, with improved physical performance, endurance, short term memory, and resilience to mortality. Intriguingly, these benefits manifested only in the male and not in the female mice, yet oxytocin+A5i had positive effects on fertility of middle-aged female mice. Mechanistically, the bio-orthogonal metabolic proteomics on the blood serum demonstrated that the acute, 7-day, treatment of the old mice with oxytocin+A5i youthfully restored systemic signaling determinants and reduced protein noise in old mice of both sexes. However, after 4 months of oxytocin+A5i, only old male, but not female, mice remained responsive, showing the youthful normalization of systemic proteome. These findings establish the significant health-span extension capacity of oxytocin+A5i and emphasize the differences in aging and in response to longevity therapeutics between the sexes.
- 일반주제명
- Bioengineering
- 일반주제명
- Cellular biology
- 일반주제명
- Pharmacology
- 일반주제명
- Aging
- 키워드
- Heterochronicity
- 키워드
- Alk5 inhibitor
- 키워드
- Oxytocin
- 키워드
- Proteomes
- 기타저자
- University of California, Berkeley Bioengineering
- 기본자료저록
- Dissertations Abstracts International. 87-01B.
- 전자적 위치 및 접속
- 로그인 후 원문을 볼 수 있습니다.
MARC
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■00520260202103139
■006m o d
■007cr#unu||||||||
■020 ▼a9798288861888
■035 ▼a(MiAaPQ)AAI31993860
■040 ▼aMiAaPQ▼cMiAaPQ
■0820 ▼a610
■1001 ▼aKato, Cameron Tadashi.
■24510▼aSex Specific Longitudinal Reversal of Aging and Frailty via Defined Pharmacology
■260 ▼a[Sl]▼bUniversity of California, Berkeley▼c2025
■260 1▼aAnn Arbor▼bProQuest Dissertations & Theses▼c2025
■300 ▼a50 p
■500 ▼aSource: Dissertations Abstracts International, Volume: 87-01, Section: B.
■500 ▼aAdvisor: Conboy, Irina M.
■5021 ▼aThesis (Ph.D.)--University of California, Berkeley, 2025.
■520 ▼aImportant studies report acute rejuvenation of mammalian cells and tissues by blood heterochronicity, old plasma dilution, defined factors, and partial reprogramming. And, extension of rodent lifespan via single-prong methods was tried in recent years. Here, we examined whether simultaneous calibration of pathways that change with aging in opposite directions would be more effective in increasing healthspan and lifespan. Moreover, we started with the challenging age group - frail 25-months-old mice that are equivalent to ~75-year-old people. We used an Alk5 inhibitor (A5i) of the age-elevated, pro-fibrotic TGF-beta pathway that regulates inflammatory factors, including IL-11, and oxytocin that is diminished with age and controls tissue homeostasis via G-protein-coupled receptor and ERK signaling. Treatment of old frail mice with oxytocin+A5i resulted in a remarkable 73% life extension from that time, and a 14% increase in the overall median lifespan. Further, these animals had significantly increased healthspan, with improved physical performance, endurance, short term memory, and resilience to mortality. Intriguingly, these benefits manifested only in the male and not in the female mice, yet oxytocin+A5i had positive effects on fertility of middle-aged female mice. Mechanistically, the bio-orthogonal metabolic proteomics on the blood serum demonstrated that the acute, 7-day, treatment of the old mice with oxytocin+A5i youthfully restored systemic signaling determinants and reduced protein noise in old mice of both sexes. However, after 4 months of oxytocin+A5i, only old male, but not female, mice remained responsive, showing the youthful normalization of systemic proteome. These findings establish the significant health-span extension capacity of oxytocin+A5i and emphasize the differences in aging and in response to longevity therapeutics between the sexes.
■590 ▼aSchool code: 0028.
■650 4▼aBioengineering
■650 4▼aCellular biology
■650 4▼aPharmacology
■650 4▼aAging
■653 ▼aAcute rejuvenation
■653 ▼aHeterochronicity
■653 ▼aAlk5 inhibitor
■653 ▼aOxytocin
■653 ▼aProteomes
■690 ▼a0202
■690 ▼a0379
■690 ▼a0419
■690 ▼a0493
■71020▼aUniversity of California, Berkeley▼bBioengineering.
■7730 ▼tDissertations Abstracts International▼g87-01B.
■790 ▼a0028
■791 ▼aPh.D.
■792 ▼a2025
■793 ▼aEnglish
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T17357150▼nKERIS▼z이 자료의 원문은 한국교육학술정보원에서 제공합니다.


