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Differential Metabolite Expressions in Firefighters Induced by Fireground Exposure: A Comparative Metabolomics Analysis
Differential Metabolite Expressions in Firefighters Induced by Fireground Exposure: A Comp...
Differential Metabolite Expressions in Firefighters Induced by Fireground Exposure: A Comparative Metabolomics Analysis

Detailed Information

자료유형  
 학위논문 서양
최종처리일시  
20260311091513.5
ISBN  
9798315763789
DDC  
333
저자명  
Liu, Tuo
서명/저자  
Differential Metabolite Expressions in Firefighters Induced by Fireground Exposure: A Comparative Metabolomics Analysis / Tuo Liu
발행사항  
[Sl] : The University of Arizona, 2025
형태사항  
1 electronic resource (107 pages)
주기사항  
Source: Dissertations Abstracts International, Volume: 86-11, Section: B.
주기사항  
Advisors: Furlong, Melissa Committee members: Burgess, Jefferey; von Hippel, Frank A.; Liu, Yiwen.
학위논문주기  
- Ph.D. : The University of Arizona, 2025.
초록/해제  
요약Firefighters are regularly exposed to known or probable carcinogens, including polycyclic aromatic hydrocarbons (PAHs), benzene, formaldehyde, phthalates, and other harmful substances. This exposure occurs mainly through inhalation of smoke released during fire events and dermal exposure. Consequently, firefighters face a higher risk of selected cancers, such as bladder cancer. The International Agency for Research on Cancer (IARC) classified firefighters' occupational exposure as carcinogenic to humans, but there is still a lack of mechanistic evidence on what and how fireground exposure elevates cancer risks and the relationship between fireground exposure and metabolite expression in humans remains poorly understood. Research is also limited regarding the differences between wildland-urban interface (WUI) firefighting and structure fires concerning the biological response in firefighters. Additionally, there is a need to understand how women firefighters respond differently to fireground exposure compared to men firefighters. To address these gaps, we bring together three projects involving male and women firefighters, exposed to various types of fires. Powered by the high-resolution metabolomics pipeline and the high-resolution liquid-chromatography mass-spectrometry (LC-MS) platform, these projects aim to evaluate the impact of fireground exposure on firefighters' metabolisms, together with other important factors for firefighters:Project 1 assesses changes in the urinary metabolome by Hispanic ethnicity among male firefighters respond to structure fires. Prior to project 1, we developed an analytical pipeline for urine-based metabolomics, which was applied to investigate the effect of fireground exposure (prior analysis) and ethnicity (project 1) on metabolome as disparity in cancer risk has been observed among Hispanic and non-Hispanic firefighters. Two publications have been produced from project 1, titled "Evaluating changes in firefighter urinary metabolomes after structural fires: an untargeted, high-resolution approach" and "Differential metabolic profiles by Hispanic ethnicity among male Tucson firefighters".Project 2 assesses changes in the urinary metabolome by fireground exposure in male firefighters responding to WUI fires. WUI fires differ from structure fires in that they introduce a much more complex exposure matrix due to the involvement of both wildland biomass and built materials. We also tried to compare the metabolic responses across different fire types, looking for unique and shared biological responses that might understand prevalent conditions among these firefighters. One manuscript has been produced based on project 2 which is being peer reviewed as of the time of dissertation process.Project 3 assesses changes in the urinary metabolome by training fire exposures in women firefighters. Project 3 investigates metabolic responses to training fire exposures among women firefighters, differing from previous projects in both exposure matrix and population. Although training fires are resembling structure fires regarding burning materials, they are intrinsically different in fire intensity and participants activities. We also compared metabolic responses by fire exposure across two populations (genders).
언어주기  
English
일반주제명  
Environmental health
일반주제명  
Environmental studies
일반주제명  
Public health
일반주제명  
Oncology
일반주제명  
Epidemiology
키워드  
Cancer risks
키워드  
Fire exposure
키워드  
Firefighters
키워드  
Metabolomics
키워드  
Wildland-urban interface
기타저자  
The University of Arizona Public Health
기본자료저록  
Dissertations Abstracts International. 86-11B.
전자적 위치 및 접속  
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MARC

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■040    ▼aMiAaPQD▼beng▼cMiAaPQD▼erda
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■1001  ▼aLiu,  Tuo▼eauthor.▼0(orcid)0009-0004-6296-577X
■24510▼aDifferential  Metabolite  Expressions  in  Firefighters  Induced  by  Fireground  Exposure:  A  Comparative  Metabolomics  Analysis  ▼cTuo  Liu
■260    ▼a[Sl]▼bThe  University  of  Arizona▼c2025
■264  1▼aAnn  Arbor▼bProQuest  Dissertations  &  Theses▼c2025
■300    ▼a1  electronic  resource  (107  pages)
■336    ▼atext▼btxt▼2rdacontent
■337    ▼acomputer▼bc▼2rdamedia
■338    ▼aonline  resource▼bcr▼2rdacarrier
■500    ▼aSource:  Dissertations  Abstracts  International,  Volume:  86-11,  Section:  B.
■500    ▼aAdvisors:  Furlong,  Melissa    Committee  members:  Burgess,  Jefferey;  von  Hippel,  Frank  A.;  Liu,  Yiwen.
■5021  ▼bPh.D.▼cThe  University  of  Arizona▼d2025.
■520    ▼aFirefighters  are  regularly  exposed  to  known  or  probable  carcinogens,  including  polycyclic  aromatic  hydrocarbons  (PAHs),  benzene,  formaldehyde,  phthalates,  and  other  harmful  substances.  This  exposure  occurs  mainly  through  inhalation  of  smoke  released  during  fire  events  and  dermal  exposure.  Consequently,  firefighters  face  a  higher  risk  of  selected  cancers,  such  as  bladder  cancer.  The  International  Agency  for  Research  on  Cancer  (IARC)  classified  firefighters'  occupational  exposure  as  carcinogenic  to  humans,  but  there  is  still  a  lack  of  mechanistic  evidence  on  what  and  how  fireground  exposure  elevates  cancer  risks  and  the  relationship  between  fireground  exposure  and  metabolite  expression  in  humans  remains  poorly  understood.  Research  is  also  limited  regarding  the  differences  between  wildland-urban  interface  (WUI)  firefighting  and  structure  fires  concerning  the  biological  response  in  firefighters.  Additionally,  there  is  a  need  to  understand  how  women  firefighters  respond  differently  to  fireground  exposure  compared  to  men  firefighters.  To  address  these  gaps,  we  bring  together  three  projects  involving  male  and  women  firefighters,  exposed  to  various  types  of  fires.  Powered  by  the  high-resolution  metabolomics  pipeline  and  the  high-resolution  liquid-chromatography  mass-spectrometry  (LC-MS)  platform,  these  projects  aim  to  evaluate  the  impact  of  fireground  exposure  on  firefighters'  metabolisms,  together  with  other  important  factors  for  firefighters:Project  1  assesses  changes  in  the  urinary  metabolome  by  Hispanic  ethnicity  among  male  firefighters  respond  to  structure  fires.  Prior  to  project  1,  we  developed  an  analytical  pipeline  for  urine-based  metabolomics,  which  was  applied  to  investigate  the  effect  of  fireground  exposure  (prior  analysis)  and  ethnicity  (project  1)  on  metabolome  as  disparity  in  cancer  risk  has  been  observed  among  Hispanic  and  non-Hispanic  firefighters.  Two  publications  have  been  produced  from  project  1,  titled  "Evaluating  changes  in  firefighter  urinary  metabolomes  after  structural  fires:  an  untargeted,  high-resolution  approach"  and  "Differential  metabolic  profiles  by  Hispanic  ethnicity  among  male  Tucson  firefighters".Project  2  assesses  changes  in  the  urinary  metabolome  by  fireground  exposure  in  male  firefighters  responding  to  WUI  fires.  WUI  fires  differ  from  structure  fires  in  that  they  introduce  a  much  more  complex  exposure  matrix  due  to  the  involvement  of  both  wildland  biomass  and  built  materials.  We  also  tried  to  compare  the  metabolic  responses  across  different  fire  types,  looking  for  unique  and  shared  biological  responses  that  might  understand  prevalent  conditions  among  these  firefighters.  One  manuscript  has  been  produced  based  on  project  2  which  is  being  peer  reviewed  as  of  the  time  of  dissertation  process.Project  3  assesses  changes  in  the  urinary  metabolome  by  training  fire  exposures  in  women  firefighters.  Project  3  investigates  metabolic  responses  to  training  fire  exposures  among  women  firefighters,  differing  from  previous  projects  in  both  exposure  matrix  and  population.  Although  training  fires  are  resembling  structure  fires  regarding  burning  materials,  they  are  intrinsically  different  in  fire  intensity  and  participants  activities.  We  also  compared  metabolic  responses  by  fire  exposure  across  two  populations  (genders).
■546    ▼aEnglish
■590    ▼aSchool  code:  0009
■650  4▼aEnvironmental  health
■650  4▼aEnvironmental  studies
■650  4▼aPublic  health
■650  4▼aOncology
■650  4▼aEpidemiology
■653    ▼aCancer  risks
■653    ▼aFire  exposure
■653    ▼aFirefighters
■653    ▼aMetabolomics
■653    ▼aWildland-urban  interface
■7102  ▼aThe  University  of  Arizona▼bPublic  Health.▼edegree  granting  institution.
■7201  ▼aFurlong,  Melissa▼edegree  supervisor.
■7730  ▼tDissertations  Abstracts  International▼g86-11B.
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T17357105▼nKERIS▼z이  자료의  원문은  한국교육학술정보원에서  제공합니다.

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