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Deciphering the Molecular Mechanisms of Endothelial Cell Dysfunction in Preeclampsia: The Impact of TNF-α and Interleukins Elevated in Preeclamptic Subjects on Endothelial Monolayer Disruption vs. Cell State Changes- [electronic resource]
Deciphering the Molecular Mechanisms of Endothelial Cell Dysfunction in Preeclampsia: The ...
Deciphering the Molecular Mechanisms of Endothelial Cell Dysfunction in Preeclampsia: The Impact of TNF-α and Interleukins Elevated in Preeclamptic Subjects on Endothelial Monolayer Disruption vs. Cell State Changes- [electronic resource]

상세정보

자료유형  
 학위논문파일 국외
최종처리일시  
20240214101240
ISBN  
9798379714093
DDC  
612
저자명  
Dahn, Rachel.
서명/저자  
Deciphering the Molecular Mechanisms of Endothelial Cell Dysfunction in Preeclampsia: The Impact of TNF-α and Interleukins Elevated in Preeclamptic Subjects on Endothelial Monolayer Disruption vs. Cell State Changes - [electronic resource]
발행사항  
[S.l.]: : The University of Wisconsin - Madison., 2023
발행사항  
Ann Arbor : : ProQuest Dissertations & Theses,, 2023
형태사항  
1 online resource(314 p.)
주기사항  
Source: Dissertations Abstracts International, Volume: 84-12, Section: B.
주기사항  
Advisor: Vezina, Chad.
학위논문주기  
Thesis (Ph.D.)--The University of Wisconsin - Madison, 2023.
사용제한주기  
This item must not be sold to any third party vendors.
초록/해제  
요약Preeclampsia (PE) is characterized by endothelial cell (EC) dysfunction, loss of vasodilatory capacity, and loss of EC integrity. In a healthy pregnancy, there is a 'normal' increase in inflammatory factors, including TNF-α. TNF-α abundance increases beyond compensatory limits in PE. The first aim examined the requirement of SRC (using inhibitors PP2, PP3, SRC-I1, Dasatinib*, Saracatinib*, *denotes clinical inhibitor), MEK (using inhibitors U0126, PD98059, PD0325901), and P38MAPK (using inhibitors SB203580, BIRB0796) in maintaining resistance (a hallmark of EC integrity) in P-UAECs via ECIS in the absence and presence of TNF-α. Our results showed that these inhibitors (and combinations) have differential responses in the absence and presence of TNF-α. While some inhibitors (and combinations) were stimulatory in the absence, none were able to provide complete or full protection in the presence of TNF-α-mediated destruction. We concluded the resistance of the P-UAEC monolayer is regulated by SRC, MEK, and P38MAPK. The second aim was to identify the effect of other inflammatory mediators, including interleukin 1β (IL-1β), interleukin 6 (IL-6), and interleukin 8 (IL-8) in the absence and presence of TNF-α (using P-UAECs via ECIS). In addition, we attempted to discern the effects of GP130 and the downstream signaling pathway JAK (using inhibitor AG490) and SRC (using inhibitor PP2) on EC integrity in the absence and presence of TNF-α, IL-1β, or TNF+IL-1β. In the absence of TNF-α several inhibitors (or combinations) increased resistances above control. However, none of the agents tested (alone or in combination) could prevent or provide full rescue of P-UAEC integrity from the effects of TNF-α alone or the IL-1β+TNF-α combination. We conclude that while IL-1β and TNF-α share some signaling pathways, they are clearly under distinct mechanisms of control. In the third and final aim, we examined if P-UAECs undergo cell surface changes (a process known as immune modulation) in response to long-term exposure (20hrs) to different cytokines TNF-α, IL-1β, or IFN-γ and identify if there were subpopulations of cells (using multiparameter flow cytometry experiments). The novel discovery of this collection of work is that PUAEC subpopulations were formed and changes of these populations depend upon the type of cytokine treatment. Immune modulation is indeed at play in regulating endothelial subpopulations, damage, and, therefore, the pathogenesis of preeclampsia.
일반주제명  
Endocrinology.
일반주제명  
Physiology.
일반주제명  
Biology.
일반주제명  
Cellular biology.
키워드  
Endothelial
키워드  
IL-1β
키워드  
Immune modulation
키워드  
Preeclampsia
키워드  
State change
키워드  
TNF-α
기타저자  
The University of Wisconsin - Madison Endocrinol-Reprod Physiol - AG
기본자료저록  
Dissertations Abstracts International. 84-12B.
기본자료저록  
Dissertation Abstract International
전자적 위치 및 접속  
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MARC

 008240612s2023      us  |||||||||||||||c||eng  d
■001000016933383
■00520240214101240
■006m          o    d                
■007cr#unu||||||||
■020    ▼a9798379714093
■035    ▼a(MiAaPQ)AAI30528329
■040    ▼aMiAaPQ▼cMiAaPQ
■0820  ▼a612
■1001  ▼aDahn,  Rachel.
■24510▼aDeciphering  the  Molecular  Mechanisms  of  Endothelial  Cell  Dysfunction  in  Preeclampsia:  The  Impact  of  TNF-α  and  Interleukins  Elevated  in  Preeclamptic  Subjects  on  Endothelial  Monolayer  Disruption  vs.  Cell  State  Changes▼h[electronic  resource]
■260    ▼a[S.l.]:▼bThe  University  of  Wisconsin  -  Madison.  ▼c2023
■260  1▼aAnn  Arbor  :▼bProQuest  Dissertations  &  Theses,  ▼c2023
■300    ▼a1  online  resource(314  p.)
■500    ▼aSource:  Dissertations  Abstracts  International,  Volume:  84-12,  Section:  B.
■500    ▼aAdvisor:  Vezina,  Chad.
■5021  ▼aThesis  (Ph.D.)--The  University  of  Wisconsin  -  Madison,  2023.
■506    ▼aThis  item  must  not  be  sold  to  any  third  party  vendors.
■520    ▼aPreeclampsia  (PE)  is  characterized  by  endothelial  cell  (EC)  dysfunction,  loss  of  vasodilatory  capacity,  and  loss  of  EC  integrity.  In  a  healthy  pregnancy,  there  is  a  'normal'  increase  in  inflammatory  factors,  including  TNF-α.  TNF-α  abundance  increases  beyond  compensatory  limits  in  PE.  The  first  aim  examined  the  requirement  of  SRC  (using  inhibitors  PP2,  PP3,  SRC-I1,  Dasatinib*,  Saracatinib*,  *denotes  clinical  inhibitor),  MEK  (using  inhibitors  U0126,  PD98059,  PD0325901),  and  P38MAPK  (using  inhibitors  SB203580,  BIRB0796)  in  maintaining  resistance  (a  hallmark  of  EC  integrity)  in  P-UAECs  via  ECIS  in  the  absence  and  presence  of  TNF-α.  Our  results  showed  that  these  inhibitors  (and  combinations)  have  differential  responses  in  the  absence  and  presence  of  TNF-α.  While  some  inhibitors  (and  combinations)  were  stimulatory  in  the  absence,  none  were  able  to  provide  complete  or  full  protection  in  the  presence  of  TNF-α-mediated  destruction.  We  concluded  the  resistance  of  the  P-UAEC  monolayer  is  regulated  by  SRC,  MEK,  and  P38MAPK.  The  second  aim  was  to  identify  the  effect  of  other  inflammatory  mediators,  including  interleukin  1β  (IL-1β),  interleukin  6  (IL-6),  and  interleukin  8  (IL-8)  in  the  absence  and  presence  of  TNF-α  (using  P-UAECs  via  ECIS).  In  addition,  we  attempted  to  discern  the  effects  of  GP130  and  the  downstream  signaling  pathway  JAK  (using  inhibitor  AG490)  and  SRC  (using  inhibitor  PP2)  on  EC  integrity  in  the  absence  and  presence  of  TNF-α,  IL-1β,  or  TNF+IL-1β.  In  the  absence  of  TNF-α  several  inhibitors  (or  combinations)  increased  resistances  above  control.  However,  none  of  the  agents  tested  (alone  or  in  combination)  could  prevent  or  provide  full  rescue  of  P-UAEC  integrity  from  the  effects  of  TNF-α  alone  or  the  IL-1β+TNF-α  combination.  We  conclude  that  while  IL-1β  and  TNF-α  share  some  signaling  pathways,  they  are  clearly  under  distinct  mechanisms  of  control.  In  the  third  and  final  aim,  we  examined  if  P-UAECs  undergo  cell  surface  changes  (a  process  known  as  immune  modulation)  in  response  to  long-term  exposure  (20hrs)  to  different  cytokines  TNF-α,  IL-1β,  or  IFN-γ  and  identify  if  there  were  subpopulations  of  cells  (using  multiparameter  flow  cytometry  experiments).  The  novel  discovery  of  this  collection  of  work  is  that  PUAEC  subpopulations  were  formed  and  changes  of  these  populations  depend  upon  the  type  of  cytokine  treatment.  Immune  modulation  is  indeed  at  play  in  regulating  endothelial  subpopulations,  damage,  and,  therefore,  the  pathogenesis  of  preeclampsia.
■590    ▼aSchool  code:  0262.
■650  4▼aEndocrinology.
■650  4▼aPhysiology.
■650  4▼aBiology.
■650  4▼aCellular  biology.
■653    ▼aEndothelial
■653    ▼aIL-1β
■653    ▼aImmune  modulation
■653    ▼aPreeclampsia
■653    ▼aState  change
■653    ▼aTNF-α
■690    ▼a0409
■690    ▼a0719
■690    ▼a0306
■690    ▼a0379
■71020▼aThe  University  of  Wisconsin  -  Madison▼bEndocrinol-Reprod  Physiol  -  AG.
■7730  ▼tDissertations  Abstracts  International▼g84-12B.
■773    ▼tDissertation  Abstract  International
■790    ▼a0262
■791    ▼aPh.D.
■792    ▼a2023
■793    ▼aEnglish
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T16933383▼nKERIS▼z이  자료의  원문은  한국교육학술정보원에서  제공합니다.
■980    ▼a202402▼f2024

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