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The Implementation of Combination Therapies for the Treatment of Triple Negative Breast Cancer (TNBC)
The Implementation of Combination Therapies for the Treatment of Triple Negative Breast Ca...
The Implementation of Combination Therapies for the Treatment of Triple Negative Breast Cancer (TNBC)

상세정보

자료유형  
 학위논문 서양
최종처리일시  
20260202105214
ISBN  
9798291564820
DDC  
615
저자명  
Jungles, Kassidy M.
서명/저자  
The Implementation of Combination Therapies for the Treatment of Triple Negative Breast Cancer (TNBC)
발행사항  
[Sl] : University of Michigan, 2025
발행사항  
Ann Arbor : ProQuest Dissertations & Theses, 2025
형태사항  
211 p
주기사항  
Source: Dissertations Abstracts International, Volume: 87-03, Section: B.
주기사항  
Advisor: Rae, James M.
학위논문주기  
Thesis (Ph.D.)--University of Michigan, 2025.
초록/해제  
요약Breast cancer is the most common invasive cancer diagnosed in women worldwide. While advances in early detection and treatments have led to a decrease in mortality, there is still a critical need to develop novel therapeutic strategies for specific breast cancer (BC) subtypes. Triple negative breast cancer (TNBC) is one of the most aggressive subtypes that lacks the expression of the estrogen, progesterone, and HER2 receptors and disproportionately impacts young Black women. Consequently, there is a dire need for developing novel options for treating TNBC. Here, we examine the current clinical and preclinical scientific understanding of combination therapies, including combining small molecule inhibitors and radiotherapy, for the treatment of TNBC.Our first studies demonstrated that the inhibition of monopolar spindle kinase I (Mps1 or TTK) is a radiosensitizing strategy in syngeneic models of TNBC. TTK is serine threonine kinase that plays a crucial role in cell division by ensuring proper chromosome separation during mitosis. We built upon prior work that showed TTK is upregulated in primary breast cancers and that TTK inhibition radiosensitizes TNBC in human preclinical models. We expanded on these findings and tested whether the combination of TTK inhibition and radiotherapy induces radiosensitization in syngeneic TNBC models to investigate the role of the immune system and its antitumoral activity in TNBC. We first examined the induced expression of cellular type I interferon (T1IFN) following combination therapy. We next discovered that TTK inhibition radio sensitized syngeneic models of breast cancer and induced micronuclei formation in vitro. TTK inhibition also radio sensitized syngeneic TNBC in vivo and induced T1IFN signaling across human and murine TNBC cells. These studies nominate TTK inhibition and radiotherapy as a promising therapeutic strategy for improving tumor control and activating the immune system in TNBC.In another novel line of research, we examined the therapeutic potential of combining radiotherapy with Aurora kinase B (AURKB) inhibition. AURKB is a serine threonine kinase that is part of the chromosomal passenger assembly complex and plays diverse roles in cellular division. AURKB is upregulated in many solid tumors, and prior research suggests that AURKB is a promising target for cancer treatment. However, the radiosensitizing potential of AURKB in TNBC is not currently understood. Therefore, we set out to determine whether AURKB inhibition will radiosensitize TNBC in preclinical models. We also found that AURKB inhibition radiosensitizes both human and murine TNBC cell lines and potentiates cellular T1IFN signaling in vitro.Collectively, this thesis furthers our scientific understanding of the therapeutic potential of combinational strategies for treating TNBC. Existing work in the field also emphasizes the importance of understanding the disparities in breast cancer treatment and accessibility to care, treatment, and outcomes. Collectively, this thesis outlines and elucidates novel therapeutic strategies for the treatment of TNBC. These preclinical experiments illuminate the radiosensitizing potential of mitotic inhibitors for the treatment of TNBC. This work also highlights the underlying implications that such therapies have on antitumoral T1IFN signaling. Importantly, this research supports the preclinical rationale for translating these findings into clinical trials to help improve outcomes for patients with breast cancer.
일반주제명  
Pharmacology
일반주제명  
Cellular biology
일반주제명  
Oncology
일반주제명  
Immunology
키워드  
Breast cancer
키워드  
Radiotherapy
키워드  
Radiosensitization
키워드  
Tumor immunology
키워드  
Combination therapies
기타저자  
University of Michigan Pharmacology
기본자료저록  
Dissertations Abstracts International. 87-03B.
전자적 위치 및 접속  
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MARC

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■1001  ▼aJungles,  Kassidy  M.
■24510▼aThe  Implementation  of  Combination  Therapies  for  the  Treatment  of  Triple  Negative  Breast  Cancer  (TNBC)
■260    ▼a[Sl]▼bUniversity  of  Michigan▼c2025
■260  1▼aAnn  Arbor▼bProQuest  Dissertations  &  Theses▼c2025
■300    ▼a211  p
■500    ▼aSource:  Dissertations  Abstracts  International,  Volume:  87-03,  Section:  B.
■500    ▼aAdvisor:  Rae,  James  M.
■5021  ▼aThesis  (Ph.D.)--University  of  Michigan,  2025.
■520    ▼aBreast  cancer  is  the  most  common  invasive  cancer  diagnosed  in  women  worldwide.  While  advances  in  early  detection  and  treatments  have  led  to  a  decrease  in  mortality,  there  is  still  a  critical  need  to  develop  novel  therapeutic  strategies  for  specific  breast  cancer  (BC)  subtypes.  Triple  negative  breast  cancer  (TNBC)  is  one  of  the  most  aggressive  subtypes  that  lacks  the  expression  of  the  estrogen,  progesterone,  and  HER2  receptors  and  disproportionately  impacts  young  Black  women.  Consequently,  there  is  a  dire  need  for  developing  novel  options  for  treating  TNBC.  Here,  we  examine  the  current  clinical  and  preclinical  scientific  understanding  of  combination  therapies,  including  combining  small  molecule  inhibitors  and  radiotherapy,  for  the  treatment  of  TNBC.Our  first  studies  demonstrated  that  the  inhibition  of  monopolar  spindle  kinase  I  (Mps1  or  TTK)  is  a  radiosensitizing  strategy  in  syngeneic  models  of  TNBC.  TTK  is  serine  threonine  kinase  that  plays  a  crucial  role  in  cell  division  by  ensuring  proper  chromosome  separation  during  mitosis.  We  built  upon  prior  work  that  showed  TTK  is  upregulated  in  primary  breast  cancers  and  that  TTK  inhibition  radiosensitizes  TNBC  in  human  preclinical  models.  We  expanded  on  these  findings  and  tested  whether  the  combination  of  TTK  inhibition  and  radiotherapy  induces  radiosensitization  in  syngeneic  TNBC  models  to  investigate  the  role  of  the  immune  system  and  its  antitumoral  activity  in  TNBC.  We  first  examined  the  induced  expression  of  cellular  type  I  interferon  (T1IFN)  following  combination  therapy.  We  next  discovered  that  TTK  inhibition  radio  sensitized  syngeneic  models  of  breast  cancer  and  induced  micronuclei  formation  in  vitro.  TTK  inhibition  also  radio  sensitized  syngeneic  TNBC  in  vivo  and  induced  T1IFN  signaling  across  human  and  murine  TNBC  cells.  These  studies  nominate  TTK  inhibition  and  radiotherapy  as  a  promising  therapeutic  strategy  for  improving  tumor  control  and  activating  the  immune  system  in  TNBC.In  another  novel  line  of  research,  we  examined  the  therapeutic  potential  of  combining  radiotherapy  with  Aurora  kinase  B  (AURKB)  inhibition.  AURKB  is  a  serine  threonine  kinase  that  is  part  of  the  chromosomal  passenger  assembly  complex  and  plays  diverse  roles  in  cellular  division.  AURKB  is  upregulated  in  many  solid  tumors,  and  prior  research  suggests  that  AURKB  is  a  promising  target  for  cancer  treatment.  However,  the  radiosensitizing  potential  of  AURKB  in  TNBC  is  not  currently  understood.  Therefore,  we  set  out  to  determine  whether  AURKB  inhibition  will  radiosensitize  TNBC  in  preclinical  models.  We  also  found  that  AURKB  inhibition  radiosensitizes  both  human  and  murine  TNBC  cell  lines  and  potentiates  cellular  T1IFN  signaling  in  vitro.Collectively,  this  thesis  furthers  our  scientific  understanding  of  the  therapeutic  potential  of  combinational  strategies  for  treating  TNBC.  Existing  work  in  the  field  also  emphasizes  the  importance  of  understanding  the  disparities  in  breast  cancer  treatment  and  accessibility  to  care,  treatment,  and  outcomes.  Collectively,  this  thesis  outlines  and  elucidates  novel  therapeutic  strategies  for  the  treatment  of  TNBC.  These  preclinical  experiments  illuminate  the  radiosensitizing  potential  of  mitotic  inhibitors  for  the  treatment  of  TNBC.  This  work  also  highlights  the  underlying  implications  that  such  therapies  have  on  antitumoral  T1IFN  signaling.  Importantly,  this  research  supports  the  preclinical  rationale  for  translating  these  findings  into  clinical  trials  to  help  improve  outcomes  for  patients  with  breast  cancer.
■590    ▼aSchool  code:  0127.
■650  4▼aPharmacology
■650  4▼aCellular  biology
■650  4▼aOncology
■650  4▼aImmunology
■653    ▼aBreast  cancer
■653    ▼aRadiotherapy
■653    ▼aRadiosensitization
■653    ▼aTumor  immunology
■653    ▼aCombination  therapies
■690    ▼a0419
■690    ▼a0379
■690    ▼a0992
■690    ▼a0982
■71020▼aUniversity  of  Michigan▼bPharmacology.
■7730  ▼tDissertations  Abstracts  International▼g87-03B.
■790    ▼a0127
■791    ▼aPh.D.
■792    ▼a2025
■793    ▼aEnglish
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T17359787▼nKERIS▼z이  자료의  원문은  한국교육학술정보원에서  제공합니다.

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