Xiaojiang Cui | IntechOpen

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Xiaojiang Cui Cedars-Sinai Medical Center United States of America

2chapters authored

Chapters authored

Translational Challenges and Therapeutic Opportunities in BRCA1-Related Breast Cancer

By Jeffrey Johnson, William Audeh, Hisashi Tanaka, Farin Amersi, Armando E. Giuliano and Xiaojiang Cui

Although significant progress has been made in the management of the hereditary cancer syndrome related to mutations of BRCA1, two fundamental and clinically relevant questions regarding BRCA1-related cancer syndrome remain unresolved: (1) What factors account for the tissue specificity of the BRCA1-related cancer risk? (2) How does a mutation or loss of BRCA1 lead to the basal-like phenotype of breast cancer? This review focuses on recent studies in BRCA1-related pathways that lead to specific characteristics of the hereditary cancer syndrome and discusses the current translational evidence for exploiting these pathways in new therapeutic strategies. Mounting evidence suggests that estrogen signaling and metabolism, oxidative stress, specific secondary mutations, and regulation of specific progenitor cells and transcriptional programs are critical in BRCA1-associated breast cancer. Strategies geared toward estrogen reduction may play a role in treatment and prevention. Therapies aimed at mitigating oxidative stress may be a strategy for risk reduction, while cancer-cell-specific sensitivity to oxidative stress may also be an opportunity for specific targeting. BRCA1-related transcriptional regulation and signaling provide a number of therapeutic targets, including the PI3-AKT and Notch pathways. Thus, significant opportunities exist in translational and clinical research for developing the treatment strategies for the management of BRCA1-related breast cancer.

Part of the book: Breast Cancer

hiPSC-Based Tissue Organoid Regeneration

By Ying Qu, Nur Yucer, Veronica J. Garcia, Armando E. Giuliano and Xiaojiang Cui

Induced pluripotent stem cells (iPSCs) are generated from terminally differentiated cells and have the potential to differentiate to any organs originated from the embryonic germ layers. Extensive effort has been made to establish protocols for direct in vitro conversion of human iPSCs (hiPSCs) to different cell types/organs. Importantly, hiPSCs can be generated from patients with known genetic mutations that predispose to high-risks of specific disease development. Thus, the hiPSCs technology provides unlimited resources for creating patient-specific disease models. hiPSC-derived three-dimensional “organoid” models have recently emerged as a powerful tool to recapitulate the physiologically-relevant process of disease progression in vitro. In this chapter, we will discuss the current advancement of organoid regeneration from hiPSCs and the applications of hiPSCs-derived organoids. The limitations and challenges of this approach will also be discussed here.

Part of the book: Tissue Regeneration

Related collaborators

Francois Claret

The University of Texas MD Anderson Cancer Center , United States of America

Marcelo Silva

Universidade Federal de Uberlândia , Brazil

Felipe Da Luz

Universidade Federal de Uberlândia , Brazil

Rogério De Araújo

Universidade Federal de Uberlândia , Brazil

Alberto Moraes

Universidade Federal de Uberlândia , Brazil

Yunbao Pan

Wuhan University , China

Jeffrey Johnson

Cedars-Sinai Medical Center , United States of America

William Audeh

Cedars-Sinai Medical Center , United States of America

Hisashi Tanaka

Cedars-Sinai Medical Center , United States of America

Paula C. Brígido

Universidade Federal de Uberlândia , Brazil

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