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High-Throughput Dissociation and Orthotopic Implantation of Breast Cancer Patient-Derived Xenografts

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Published on: December 20, 2024

Basal-like breast carcinoma: a phenotypically distinct entity.

Bisong Haupt¹, Jae Y Ro, Mary R Schwartz

¹Department of Pathology, Saint Louis University, 1402 S Grand Blvd, St Louis, MO 63104, USA. bisongxu@yahoo.com

Archives of Pathology & Laboratory Medicine

|January 16, 2010

Summary

This summary is machine-generated.

Basal-like breast cancer, a distinct subtype, shows specific protein expression and is linked to BRCA1 mutations and poorer outcomes. Further research is crucial for understanding this aggressive cancer type.

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Mammosphere Formation Assay from Human Breast Cancer Tissues and Cell Lines

Mammosphere Formation Assay from Human Breast Cancer Tissues and Cell Lines

Published on: March 22, 2015

Area of Science:

Oncology
Molecular Biology
Genetics

Background:

Gene microarray profiling classifies human breast carcinomas into five subtypes: luminal A, luminal B, normal breast-like, HER2-overexpressing, and basal-like.
Basal-like breast carcinomas exhibit high basal cytokeratin expression and low/absent estrogen receptor, progesterone receptor, and HER2/neu.
These tumors often express epidermal growth factor receptor (EGFR) and/or c-kit, and are associated with BRCA1 mutations and poor prognosis.

Purpose of the Study:

To review existing literature on basal-like breast carcinomas.
To enhance understanding of the molecular genetics, biology, morphology, and clinical outcome of this subtype.
To provide insights into this clinically significant breast cancer subtype.

Main Methods:

Literature review of studies on basal-like breast carcinomas.
Analysis of gene microarray profiling data.
Examination of molecular, biological, and morphological characteristics.

Main Results:

Identification of five distinct molecular subtypes of invasive breast carcinoma.
Characterization of basal-like tumors by specific protein expression profiles (cytokeratins, hormone receptors, HER2, EGFR, c-kit).
Association of basal-like subtype with BRCA1 mutations and adverse clinical outcomes.

Conclusions:

Basal-like breast carcinoma is a distinct and clinically significant subtype.
Understanding its unique characteristics is crucial for patient management and treatment strategies.
Further research is needed to fully elucidate the biology and improve outcomes for patients with basal-like breast cancer.