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Mapping the Therapeutic Checkpoints of the STING Pathway
Mapping the Therapeutic Checkpoints of the STING Pathway
상세정보
- 자료유형
- 학위논문 서양
- 최종처리일시
- 20260202104738
- ISBN
- 9798290651125
- DDC
- 572.57
- 서명/저자
- Mapping the Therapeutic Checkpoints of the STING Pathway
- 발행사항
- [Sl] : Stanford University, 2023
- 발행사항
- Ann Arbor : ProQuest Dissertations & Theses, 2023
- 형태사항
- 133 p
- 주기사항
- Source: Dissertations Abstracts International, Volume: 87-01, Section: B.
- 주기사항
- Advisor: Li, Lingyin.
- 학위논문주기
- Thesis (Ph.D.)--Stanford University, 2023.
- 초록/해제
- 요약Cancer immunotherapy has been heralded for major breakthroughs in treating otherwise terminal patients. However, it is not currently effective for a high percentage of patients and cancers. A growing body of evidence shows that the activation of the innate immune system is required for the adaptive checkpoint blockades to be effective.The cGAMP-STING pathway allows for the detection of cancer by the immune system. Produced by cancer cells upon the presence of dsDNA in the cytosol, cGAMP is exported into the extracellular space where it then goes on to activate the innate immune system. Studying the regulation of cGAMP and understanding when it is produced, how it is transported, and how it is hydrolyzed is therefore critical to developing novel anticancer treatments that harness the cGAMP-STING pathway.This thesis contributes to understanding the regulation of cGAMP in two ways. First, existing tools to quantify cGAMP fall short of scientific needs, particularly in terms of accessibility and throughput. The development of cGAMP-Luc, a high-throughput, sensitive and precise enzymatic assay for the quantitation of cGAMP in complex biological samples bridges this gap. cGAMP-Luc has and will continue to enable the characterization of transporters of cGAMP such as LRRC8A, an ion channel that is both an importer and exporter of cGAMP. cGAMP-Luc also enables the development of novel inhibitors of cGAMP hydrolases through high-throughput characterization of their Ki.Second, the hydrolases of cGAMP are particularly important targets for inhibition in the treatment of cancer. Through studies of ENPP1-/-mice, this thesis identifies ENPP3 as a cGAMP hydrolase. ENPP3 is biochemically very similar to ENPP1, the first known hydrolase of cGAMP. However, because they display very orthogonal tissue-specific expression, they are not completely redundant enzymes. In particular, ENPP1 and ENPP3 both play a role in regulating the growth of primary orthotopic breast tumors. However, though ENPP1 has been shown to play a role in both breast cancer and melanoma metastasis, ENPP3 has only been shown to play a role in melanoma metastasis. Further studies will examine how these two enzymes can be so similar biochemically but so different physiologically.
- 일반주제명
- Adenosine
- 일반주제명
- Physiology
- 일반주제명
- Venom
- 일반주제명
- Pathogens
- 일반주제명
- Insulin resistance
- 일반주제명
- Acids
- 일반주제명
- Antibodies
- 일반주제명
- Allergies
- 일반주제명
- Bile ducts
- 일반주제명
- Metabolism
- 일반주제명
- Small intestine
- 일반주제명
- Signal transduction
- 일반주제명
- Allergens
- 일반주제명
- Immune system
- 일반주제명
- Viruses
- 일반주제명
- Glycosylation
- 일반주제명
- Snakes
- 일반주제명
- Phosphorylation
- 일반주제명
- Interferon
- 일반주제명
- Cell division
- 기타저자
- Stanford University.
- 기본자료저록
- Dissertations Abstracts International. 87-01B.
- 전자적 위치 및 접속
- 로그인 후 원문을 볼 수 있습니다.
MARC
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■006m o d
■007cr#unu||||||||
■020 ▼a9798290651125
■035 ▼a(MiAaPQ)AAI32149677
■035 ▼a(MiAaPQ)Stanfordkc070nx0984
■040 ▼aMiAaPQ▼cMiAaPQ
■0820 ▼a572.57
■1001 ▼aMardjuki, Rachel Elicia.
■24510▼aMapping the Therapeutic Checkpoints of the STING Pathway
■260 ▼a[Sl]▼bStanford University▼c2023
■260 1▼aAnn Arbor▼bProQuest Dissertations & Theses▼c2023
■300 ▼a133 p
■500 ▼aSource: Dissertations Abstracts International, Volume: 87-01, Section: B.
■500 ▼aAdvisor: Li, Lingyin.
■5021 ▼aThesis (Ph.D.)--Stanford University, 2023.
■520 ▼aCancer immunotherapy has been heralded for major breakthroughs in treating otherwise terminal patients. However, it is not currently effective for a high percentage of patients and cancers. A growing body of evidence shows that the activation of the innate immune system is required for the adaptive checkpoint blockades to be effective.The cGAMP-STING pathway allows for the detection of cancer by the immune system. Produced by cancer cells upon the presence of dsDNA in the cytosol, cGAMP is exported into the extracellular space where it then goes on to activate the innate immune system. Studying the regulation of cGAMP and understanding when it is produced, how it is transported, and how it is hydrolyzed is therefore critical to developing novel anticancer treatments that harness the cGAMP-STING pathway.This thesis contributes to understanding the regulation of cGAMP in two ways. First, existing tools to quantify cGAMP fall short of scientific needs, particularly in terms of accessibility and throughput. The development of cGAMP-Luc, a high-throughput, sensitive and precise enzymatic assay for the quantitation of cGAMP in complex biological samples bridges this gap. cGAMP-Luc has and will continue to enable the characterization of transporters of cGAMP such as LRRC8A, an ion channel that is both an importer and exporter of cGAMP. cGAMP-Luc also enables the development of novel inhibitors of cGAMP hydrolases through high-throughput characterization of their Ki.Second, the hydrolases of cGAMP are particularly important targets for inhibition in the treatment of cancer. Through studies of ENPP1-/-mice, this thesis identifies ENPP3 as a cGAMP hydrolase. ENPP3 is biochemically very similar to ENPP1, the first known hydrolase of cGAMP. However, because they display very orthogonal tissue-specific expression, they are not completely redundant enzymes. In particular, ENPP1 and ENPP3 both play a role in regulating the growth of primary orthotopic breast tumors. However, though ENPP1 has been shown to play a role in both breast cancer and melanoma metastasis, ENPP3 has only been shown to play a role in melanoma metastasis. Further studies will examine how these two enzymes can be so similar biochemically but so different physiologically.
■590 ▼aSchool code: 0212.
■650 4▼aAdenosine
■650 4▼aPhysiology
■650 4▼aVenom
■650 4▼aPathogens
■650 4▼aInsulin resistance
■650 4▼aAcids
■650 4▼aAntibodies
■650 4▼aAllergies
■650 4▼aBile ducts
■650 4▼aMetabolism
■650 4▼aSmall intestine
■650 4▼aSignal transduction
■650 4▼aAllergens
■650 4▼aImmune system
■650 4▼aViruses
■650 4▼aGlycosylation
■650 4▼aSnakes
■650 4▼aPhosphorylation
■650 4▼aInterferon
■650 4▼aCell division
■690 ▼a0719
■71020▼aStanford University.
■7730 ▼tDissertations Abstracts International▼g87-01B.
■790 ▼a0212
■791 ▼aPh.D.
■792 ▼a2023
■793 ▼aEnglish
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T17358693▼nKERIS▼z이 자료의 원문은 한국교육학술정보원에서 제공합니다.


