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Circadian Rhythms, Circadian Disruption, and the Impact on Gene Expression and Health in Humans- [electronic resource]
Circadian Rhythms, Circadian Disruption, and the Impact on Gene Expression and Health in H...
Circadian Rhythms, Circadian Disruption, and the Impact on Gene Expression and Health in Humans- [electronic resource]

Detailed Information

자료유형  
 학위논문파일 국외
최종처리일시  
20240214101251
ISBN  
9798379728205
DDC  
612
저자명  
Schrader, Lauren A.
서명/저자  
Circadian Rhythms, Circadian Disruption, and the Impact on Gene Expression and Health in Humans - [electronic resource]
발행사항  
[S.l.]: : The University of Wisconsin - Madison., 2022
발행사항  
Ann Arbor : : ProQuest Dissertations & Theses,, 2022
형태사항  
1 online resource(325 p.)
주기사항  
Source: Dissertations Abstracts International, Volume: 84-12, Section: B.
주기사항  
Advisor: Bradfield, Christopher.
학위논문주기  
Thesis (Ph.D.)--The University of Wisconsin - Madison, 2022.
사용제한주기  
This item must not be sold to any third party vendors.
초록/해제  
요약Over the past decades, evidence has been accumulating regarding the key roles circadian rhythms play in human health. From the core clock machinery in every cell to the myriad of physiological processes under circadian control, these rhythms are responsible for the orchestration of a complex symphony inside human bodies, attuned to environmental conditions. When these rhythms fall out of alignment in various ways, this circadian disruption serves as a risk factor in the development of many chronic diseases, including cancers and metabolic syndrome. While a large body of research has been undertaken to understand more about circadian rhythms, circadian disruption, and their health impacts in humans, gaps in understanding remain. First, much of the established knowledge regarding circadian rhythms in humans has come from small, homogeneous healthy samples in experimental settings, often creating conditions of extreme circadian disruption. Population health studies offer an excellent alternative to learn more about circadian rhythms in real-world conditions, but a lack of consensus and easily-reproducible approaches for approximating circadian rhythms has limited this utilization. Further, while much is established regarding the canonical behavior of core clock genes responsible for circadian rhythms, less is known about the ways their expression patterns and downstream clock-controlled genes' expression are altered during circadian disruption, as a potential mechanism in the development of pathological outcomes such as metabolic syndrome. In this manuscript, we first review the current state of knowledge concerning the relationships between circadian disruption, subsequent alterations to core clock gene expression, and their association with metabolic syndrome pathologies in humans, with a discussion of remaining knowledge gaps. The second chapter describes a methodology for the estimation of circadian rhythm states via sleep/wake data collected from actigraph devices, in a sample of adults recruited from the general population. Chapter three details RNA sequencing investigations to determine whether group-level patterns in circadian-oscillating genes could be observed in using morning and afternoon human blood samples, as a means to estimate which genes are detectable as circadian-oscillating. Chapter four summarizes an assessment of differential gene expression between groups from a population health study with estimated circadian disruption to those with consistent schedules. Finally, chapter five outlines preliminary investigations proceeding from this work, as well as additional experiments and future directions to pursue based on the findings and data generated from this work. Together, this thesis provides new considerations for the study and understanding of circadian rhythms and their impact on human health.
일반주제명  
Physiology.
일반주제명  
Epidemiology.
일반주제명  
Genetics.
키워드  
Circadian disruption
키워드  
Circadian rhythms
키워드  
Gene expression
키워드  
Human health
키워드  
Population health study
기타저자  
The University of Wisconsin - Madison Cellular and Molecular Biology
기본자료저록  
Dissertations Abstracts International. 84-12B.
기본자료저록  
Dissertation Abstract International
전자적 위치 및 접속  
로그인 후 원문을 볼 수 있습니다.

MARC

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■00520240214101251
■006m          o    d                
■007cr#unu||||||||
■020    ▼a9798379728205
■035    ▼a(MiAaPQ)AAI30529750
■040    ▼aMiAaPQ▼cMiAaPQ
■0820  ▼a612
■1001  ▼aSchrader,  Lauren  A.
■24510▼aCircadian  Rhythms,  Circadian  Disruption,  and  the  Impact  on  Gene  Expression  and  Health  in  Humans▼h[electronic  resource]
■260    ▼a[S.l.]:▼bThe  University  of  Wisconsin  -  Madison.  ▼c2022
■260  1▼aAnn  Arbor  :▼bProQuest  Dissertations  &  Theses,  ▼c2022
■300    ▼a1  online  resource(325  p.)
■500    ▼aSource:  Dissertations  Abstracts  International,  Volume:  84-12,  Section:  B.
■500    ▼aAdvisor:  Bradfield,  Christopher.
■5021  ▼aThesis  (Ph.D.)--The  University  of  Wisconsin  -  Madison,  2022.
■506    ▼aThis  item  must  not  be  sold  to  any  third  party  vendors.
■520    ▼aOver  the  past  decades,  evidence  has  been  accumulating  regarding  the  key  roles  circadian  rhythms  play  in  human  health.  From  the  core  clock  machinery  in  every  cell  to  the  myriad  of  physiological  processes  under  circadian  control,  these  rhythms  are  responsible  for  the  orchestration  of  a  complex  symphony  inside  human  bodies,  attuned  to  environmental  conditions.  When  these  rhythms  fall  out  of  alignment  in  various  ways,  this  circadian  disruption  serves  as  a  risk  factor  in  the  development  of  many  chronic  diseases,  including  cancers  and  metabolic  syndrome.  While  a  large  body  of  research  has  been  undertaken  to  understand  more  about  circadian  rhythms,  circadian  disruption,  and  their  health  impacts  in  humans,  gaps  in  understanding  remain.  First,  much  of  the  established  knowledge  regarding  circadian  rhythms  in  humans  has  come  from  small,  homogeneous  healthy  samples  in  experimental  settings,  often  creating  conditions  of  extreme  circadian  disruption.  Population  health  studies  offer  an  excellent  alternative  to  learn  more  about  circadian  rhythms  in  real-world  conditions,  but  a  lack  of  consensus  and  easily-reproducible  approaches  for  approximating  circadian  rhythms  has  limited  this  utilization.  Further,  while  much  is  established  regarding  the  canonical  behavior  of  core  clock  genes  responsible  for  circadian  rhythms,  less  is  known  about  the  ways  their  expression  patterns  and  downstream  clock-controlled  genes'  expression  are  altered  during  circadian  disruption,  as  a  potential  mechanism  in  the  development  of  pathological  outcomes  such  as  metabolic  syndrome.  In  this  manuscript,  we  first  review  the  current  state  of  knowledge  concerning  the  relationships  between  circadian  disruption,  subsequent  alterations  to  core  clock  gene  expression,  and  their  association  with  metabolic  syndrome  pathologies  in  humans,  with  a  discussion  of  remaining  knowledge  gaps.  The  second  chapter  describes  a  methodology  for  the  estimation  of  circadian  rhythm  states  via  sleep/wake  data  collected  from  actigraph  devices,  in  a  sample  of  adults  recruited  from  the  general  population.  Chapter  three  details  RNA  sequencing  investigations  to  determine  whether  group-level  patterns  in  circadian-oscillating  genes  could  be  observed  in  using  morning  and  afternoon  human  blood  samples,  as  a  means  to  estimate  which  genes  are  detectable  as  circadian-oscillating.  Chapter  four  summarizes  an  assessment  of  differential  gene  expression  between  groups  from  a  population  health  study  with  estimated  circadian  disruption  to  those  with  consistent  schedules.  Finally,  chapter  five  outlines  preliminary  investigations  proceeding  from  this  work,  as  well  as  additional  experiments  and  future  directions  to  pursue  based  on  the  findings  and  data  generated  from  this  work.  Together,  this  thesis  provides  new  considerations  for  the  study  and  understanding  of  circadian  rhythms  and  their  impact  on  human  health.
■590    ▼aSchool  code:  0262.
■650  4▼aPhysiology.
■650  4▼aEpidemiology.
■650  4▼aGenetics.
■653    ▼aCircadian  disruption
■653    ▼aCircadian  rhythms
■653    ▼aGene  expression
■653    ▼aHuman  health
■653    ▼aPopulation  health  study
■690    ▼a0719
■690    ▼a0766
■690    ▼a0369
■71020▼aThe  University  of  Wisconsin  -  Madison▼bCellular  and  Molecular  Biology.
■7730  ▼tDissertations  Abstracts  International▼g84-12B.
■773    ▼tDissertation  Abstract  International
■790    ▼a0262
■791    ▼aPh.D.
■792    ▼a2022
■793    ▼aEnglish
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T16933477▼nKERIS▼z이  자료의  원문은  한국교육학술정보원에서  제공합니다.
■980    ▼a202402▼f2024

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