Rachel Schafer

ORCID: 0009-0005-4996-2141
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About
Contact & Profiles
Research Areas
  • Reconstructive Surgery and Microvascular Techniques
  • Breast Implant and Reconstruction
  • Cancer, Hypoxia, and Metabolism
  • Epigenetics and DNA Methylation
  • Nanoplatforms for cancer theranostics
  • Protein Kinase Regulation and GTPase Signaling
  • Ubiquitin and proteasome pathways
  • Endoplasmic Reticulum Stress and Disease
  • Medical Imaging Techniques and Applications
  • Body Contouring and Surgery
  • Cancer Cells and Metastasis
  • Cancer-related Molecular Pathways
  • Histone Deacetylase Inhibitors Research
  • Cancer Genomics and Diagnostics
  • Colorectal Cancer Treatments and Studies
  • Reconstructive Facial Surgery Techniques
  • Cancer Diagnosis and Treatment
  • Genetic factors in colorectal cancer
  • MRI in cancer diagnosis
  • Advanced MRI Techniques and Applications
  • Glioma Diagnosis and Treatment
  • Adipose Tissue and Metabolism
  • Lysosomal Storage Disorders Research
  • Pain Mechanisms and Treatments
  • Subterranean biodiversity and taxonomy

Cleveland Clinic
2022-2025

Cleveland Clinic Lerner College of Medicine
2021-2024

Case Western Reserve University
2021-2024

Saint Louis University
2023

Creative Commons
2022-2023

The Ohio State University
2020-2022

The Ohio State University Comprehensive Cancer Center – Arthur G. James Cancer Hospital and Richard J. Solove Research Institute
2021

Charité - Universitätsmedizin Berlin
2016-2020

Kenyon College
2016-2017

University of Arizona
2012-2015

Glioblastomas (GBMs) are heterogeneous, treatment-resistant tumors driven by populations of cancer stem cells (CSCs). However, few molecular mechanisms critical for CSC population maintenance have been exploited therapeutic development. We developed a spatially resolved loss-of-function screen in GBM patient-derived organoids to identify essential epigenetic regulators the SOX2-enriched, therapy-resistant niche and identified WDR5 as indispensable this population. is component WRAD complex,...

10.1101/gad.349803.122 article EN Genes & Development 2023-02-01

Deep inferior epigastric perforator (DIEP) flaps are the standard for autologous breast reconstruction. This study investigated risk factors DIEP complications in a large, contemporary cohort to optimize surgical evaluation and planning.This retrospective included patients who underwent reconstruction between 2016 2020 at an academic institution. Demographics, treatment, outcomes were evaluated univariable multivariable regression models postoperative complications.In total, 802 performed...

10.1097/prs.0000000000010343 article EN Plastic & Reconstructive Surgery 2023-03-02

Chemotherapy-induced peripheral neuropathy accompanied by neuropathic pain (CIPN) is a major neurotoxicity of cisplatin, platinum-based drug widely used for lung, ovarian, and testicular cancer treatment. CIPN causes discontinuation severely impacts life quality with no FDA-approved interventions. We previously reported that drugs increase levels sphingosine 1-phosphate (S1P) in the spinal cord drive through activating S1P receptor subtype 1 (S1PR1). However, mechanisms engaged downstream...

10.1101/2025.04.03.642851 preprint EN bioRxiv (Cold Spring Harbor Laboratory) 2025-04-05

10.1097/01.gox.0001112180.04842.b9 article EN cc-by-nc-nd Plastic & Reconstructive Surgery Global Open 2025-04-24

Window chamber models have been developed and utilized as a means to study the complex microenvironment in which cancers develop, proliferate, metastasize small animals. Here we utilize rapid prototyping printer technology construct new plastic orthotopic mammary window that is compatible with magnetic resonance imaging, nuclear optical imaging. Optical imaging allows for high-resolution cellular molecular level analysis of tissues; provides quantitative measures tumor size, perfusion,...

10.2144/000114191 article EN BioTechniques 2014-07-01

Background This study aimed to identify patient preferences and outcomes of chest masculinization surgery in patients identifying as nonbinary versus transgender (trans-) males. Methods Patients who underwent (2003–2022) were included. Demographics, medical comorbidities, surgical approaches, complications, secondary procedures, BODY-Q module survey responses compared between cohorts. Results Three hundred two Thirteen percent identified 87% trans-male. The most common approach both groups...

10.1097/sap.0000000000004052 article EN Annals of Plastic Surgery 2024-07-10

Abstract Background Breast cancer (BC) is the most common in women and leading cause of cancer-associated mortality women. In particular, triple-negative BC (TNBC) has highest rate due large part to lack targeted treatment options for this subtype. Thus, there an urgent need identify new molecular targets TNBC treatment. RALA RALB are small GTPases implicated growth metastasis a variety cancers, although little known their roles BC. Methods The necessity tumor were evaluated vivo using...

10.1186/s13058-021-01438-3 article EN cc-by Breast Cancer Research 2021-06-12

Deep inferior epigastric perforator (DIEP) flaps are commonly used for autologous breast reconstruction, but reported rates of venous thromboembolism (VTE) up to 6.8%. This study aimed determine the incidence VTE based on preoperative Caprini score following DIEP reconstruction. retrospective included patients who underwent reconstruction between January 1, 2016 and December 31, 2020 at a tertiary-level, academic institution. Demographics, operative characteristics, events were recorded....

10.1055/a-2040-1532 article EN Journal of Reconstructive Microsurgery 2023-02-21

Amphibian metamorphosis is driven by thyroid hormone (TH). We used prometamorphic tadpoles and a cell line of the African clawed frog (Xenopus laevis) to examine immediate effects dioxin exposure on TH. Gene expression patterns suggest cross-talk between receptor (TR) aryl hydrocarbon (AHR) signaling pathways. In XLK-WG cells, Cytochrome P450 1A6 (cyp1A6), an AHR target, was induced 1000-fold 100 nM TCDD (2, 3, 7, 8 tetrachlorodibenzo-p-dioxin). Krüppel-Like Factor 9 (klf9), first gene in...

10.1093/toxsci/kfx213 article EN Toxicological Sciences 2017-10-06

Background: Breast reconstruction following mastectomy for the treatment of breast cancer restores form and enhances patient satisfaction. The Affordable Care Act (ACA) 2010 aimed to impact trends in reconstruction, but recent information regarding racial ethnic disparities is lacking. Methods: We analyzed National Surgical Quality Improvement Program (NSQIP) data spanning 2005-2022 investigate ACA on diversity immediate post-mastectomy. Patient demographics, including race ethnicity, were...

10.1097/prs.0000000000011815 article EN Plastic & Reconstructive Surgery 2024-10-15

Phosphorescent lifetime imaging was employed to measure the spatial and temporal distribution of oxygen partial pressure in tissue under coverslip a mammary window chamber breast cancer mouse model. A thin platinum-porphyrin coating, whose phosphorescent varies monotonically with pressure, applied surface. Dynamic responses induced modulations oxygenation levels were measured using this approach.

10.1364/boe.6.000639 article EN cc-by Biomedical Optics Express 2015-01-29

Combining multiple surgical procedures into a single operative session is widespread in the field of plastic surgery; however, implications this practice are not fully understood.This study compared 30-day complication rates associated with combined surgery for index procedures.This retrospective cohort analysis utilized Tracking Operations and Outcomes Plastic Surgeons database from 2016 to 2020 identify 3 most frequent combinations augmentation mammaplasty, reduction trunk liposuction,...

10.1093/asj/sjad124 article EN Aesthetic Surgery Journal 2023-05-02

The development and implementation of a scientific outreach activity comes with number challenges. A successful event must match the sophistication content to audience, be engaging, expand knowledge base for participants, inclusive diverse audience. Ideally, will also convey importance future scientists citizens. In this paper, we present simple, hands-on guide targeted kindergarten learners. This pursued second goal: inclusion undergraduate students in delivery event. We provided detailed...

10.24918/cs.2016.10 article EN cc-by-nc-sa CourseSource 2016-01-01

Upregulate levels of expression and activity membrane H<sup>+</sup> ion pumps in cancer cells drives the extracellular pH (pH<sub>e</sub>,) to values lower than normal. Furthermore, disregulated is indicative changes glycolytic metabolism tumor has been shown facilitate tissue remodeling during metastasis Therefore, measurement pH<sub>e</sub> could be a useful biomarker for diagnostic therapy monitoring evaluation. Multimodality in-vivo imaging tumorous mouse dorsal skin fold window chamber...

10.1117/12.2005472 article EN Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE 2013-03-13

Introduction: The cold shock Y-box binding protein-1 (YB-1) fulfills important roles in regulating cell proliferation and differentiation. Overexpression occurs various tumor cells. Given the existence of extracellular YB-1 we set out to determine diagnostic, predictive prognostic role serum YB-1/p18 for patients with primary epithelial ovarian cancer (EOC).

10.1055/s-0036-1593015 article EN Geburtshilfe und Frauenheilkunde 2016-10-13

Breast anesthesia and hypoesthesia occur commonly after mastectomy negatively impact quality of life. Neurotization during deep inferior epigastric perforator (DIEP) breast reconstruction offers enhanced sensory recovery. However, access to neurotization for DIEP patients has not been evaluated.

10.1055/a-2404-1924 article EN Journal of Reconstructive Microsurgery 2024-08-27

Mastectomy is performed prior to or concurrently with deep inferior epigastric perforator (DIEP) flap breast reconstruction. However, the complication rates of nipple-sparing mastectomy (NSM) versus skin-sparing (SSM) DIEP are not well-characterized.

10.1002/micr.31256 article EN cc-by-nc Microsurgery 2024-11-01

Window chamber models have been utilized for many years to investigate cancer development and the tumor microenvironment. Orthotopic mammary window model developed detailed study of breast cancer. models, due native environment, support more realistic growth behavior than ectopic models. The work by other groups thus far utilizing has focused solely on optical imaging techniques, limited probing first millimeter or less tissue. These techniques do not take full advantage unrestricted,...

10.1117/12.2004973 article EN Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE 2013-02-22

Recent evidence suggests that epithelial ovarian cancer may originate in the fimbriated end of fallopian tube<sup>1</sup>. Unlike many other cancers, poor access to ovary and tubes has limited ability study progression this deadly disease diagnosis it during early stage when is most amenable therapy. We have previously reported on a rigid confocal microlaparoscope system currently undergoing clinical trial image surface ovary<sup>2</sup>. In order gain vivo we developed new with an...

10.1117/12.906430 article EN Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE 2012-02-13

Purpose: Combining several surgical procedures into one operative session is widespread in the field of plastic surgery; however, implications this practice are not fully understood. This study aimed to evaluate rates and characteristics adverse events associated with combining surgery as compared outcomes individual alone. Methods: A retrospective cohort analysis was performed utilizing data between 2016 2020 from TOPS database. The three most frequent combinations for each five commonly...

10.1097/01.gox.0000842496.83925.d8 article EN cc-by-nc-nd Plastic & Reconstructive Surgery Global Open 2022-06-01

Abstract Glioblastomas (GBMs) are heterogeneous, treatment-resistant tumors that driven by populations of cancer stem cells (CSCs). Despite their importance for tumor growth, few molecular mechanisms critical CSC population maintenance have been exploited therapeutic development. We developed a spatially resolved loss-of-function screen in GBM patient-derived organoids to identify essential epigenetic regulators the SOX2-enriched, therapy resistant niche and identified WDR5 as indispensable...

10.1101/2021.09.20.461125 preprint EN cc-by-nc-nd bioRxiv (Cold Spring Harbor Laboratory) 2021-09-23
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