scholarly journals Myelin transcription factor 1 (MYT1) is differentially expressed in the tumors of breast cancer patients treated with trastuzumab.

2020 ◽  
Author(s):  
Shahan Mamoor
Keyword(s):  
Breast Cancer ◽  
Transcription Factor ◽  
Cancer Patients ◽  
Messenger Rna ◽  
Metastatic Breast ◽  
The United States ◽  
Differentially Expressed ◽  
Breast Cancer Patients ◽  
Primary Tumors ◽  
Transcription Factor 1

Trastuzumab (Herceptin) is a monoclonal antibody targeting the extracellular domain of the human epidermal growth factor receptor 2 (HER2) (1) utilized for the treatment of adjuvant and metastatic breast cancer (2) in the United States and worldwide. We mined published microarray and gene expression data (3, 4) to discover in an unbiased manner the most significant transcriptional changes associated with trastuzumab treatment. We identified myelin transcription factor 1, encoded by MYT1 among the genes most differentially expressed in the primary tumors of patients with breast cancer treated with trastuzumab. The primary tumors of breast cancer patients treated with trastuzumab expressed higher levels of MYT1 messenger RNA than did patients not treated with trastuzumab, and a single administration of trastuzumab was sufficient to result in differential expression of MYT1 in primary tumors of the breast, demonstrating increased expression of a zinc finger DNA-binding protein and neuronal-specific members of the LSD1 complex with the capacity to interact with Sin3B and with functions in neurogenesis (5-9) as a direct transcriptional consequence of treatment with trastuzumab.

scholarly journals E2F5 is differentially expressed in the tumors of breast cancer patients treated with trastuzumab.

2020 ◽  
Author(s):  
Shahan Mamoor
Keyword(s):  
Breast Cancer ◽  
Transcription Factor ◽  
Cancer Patients ◽  
Messenger Rna ◽  
Growth Factor Receptor ◽  
Metastatic Breast ◽  
The United States ◽  
Differentially Expressed ◽  
Breast Cancer Patients ◽  
Primary Tumors

Trastuzumab (Herceptin) is a monoclonal antibody targeting the extracellular domain of the human epidermal growth factor receptor 2 (HER2) (1) utilized for the treatment of adjuvant and metastatic breast cancer (2) in the United States and worldwide. We mined published microarray and gene expression data (3, 4) to discover in an unbiased manner the most striking transcriptional features of trastuzumab treatment. We identified the transcription factor E2F5 (5) as among the genes most differentially expressed in the primary tumors of patients with breast cancer treated with trastuzumab. The primary tumors of breast cancer patients treated with trastuzumab expressed higher levels of E2F5 messenger RNA than did patients not treated with trastuzumab, and a single administration of trastuzumab was sufficient to result in differential expression of E2F5 in primary tumors of the breast, demonstrating that a transcription factor important for progression of the cell cycle into the S-phase is likely transcriptionally induced by trastuzumab.

scholarly journals MAF is differentially expressed in the tumors of breast cancer patients treated with trastuzumab.

2020 ◽  
Author(s):  
Shahan Mamoor
Keyword(s):  
Breast Cancer ◽  
Transcription Factor ◽  
Cancer Patients ◽  
Messenger Rna ◽  
Growth Factor Receptor ◽  
Metastatic Breast ◽  
The United States ◽  
Differentially Expressed ◽  
Breast Cancer Patients ◽  
Primary Tumors

Trastuzumab (Herceptin) is a monoclonal antibody targeting the extracellular domain of the human epidermal growth factor receptor 2 (HER2) (1) utilized for the treatment of adjuvant and metastatic breast cancer (2) in the United States and worldwide. We mined published microarray and gene expression data (3, 4) to discover in an unbiased manner the most significant transcriptional changes associated with trastuzumab treatment. We identified the transcription factor MAF as among the genes most differentially expressed in the primary tumors of patients with breast cancer treated with trastuzumab. The primary tumors of breast cancer patients treated with trastuzumab expressed higher levels of MAF messenger RNA than did patients not treated with trastuzumab, and a single administration of trastuzumab was sufficient to result in differential expression of MAF in primary tumors of the breast, demonstrating increased expression of a transcription factor that controls expression of the immunosuppressive cytokine IL-10 (5) as a direct transcriptional result of treatment with trastuzumab.

scholarly journals Spi1 (PU.1) is differentially expressed in the tumors of breast cancer patients treated with trastuzumab.

2020 ◽  
Author(s):  
Shahan Mamoor
Keyword(s):  
Breast Cancer ◽  
Transcription Factor ◽  
Cancer Patients ◽  
Messenger Rna ◽  
Growth Factor Receptor ◽  
Metastatic Breast ◽  
The United States ◽  
Differentially Expressed ◽  
Breast Cancer Patients ◽  
Primary Tumors

Trastuzumab (Herceptin) is a monoclonal antibody targeting the extracellular domain of the human epidermal growth factor receptor 2 (HER2) (1) utilized for the treatment of adjuvant and metastatic breast cancer (2) in the United States and worldwide. We mined published microarray and gene expression data (3, 4) to discover in an unbiased manner the most significant transcriptional changes associated with trastuzumab treatment. We identified the transcription factor Spi1 (PU.1) as among the genes most differentially expressed in the primary tumors of patients with breast cancer treated with trastuzumab. The primary tumors of breast cancer patients treated with trastuzumab expressed higher levels of Spi1 messenger RNA than did patients not treated with trastuzumab, and a single administration of trastuzumab was sufficient to result in differential expression of Spi1 in primary tumors of the breast, demonstrating increased expression of a transcription factor whose transgenic expression in mice results in development of erythroleukemia and that guides fate choice to microglial lineages from that of hematopoietic cells (5, 6) as a direct transcriptional result of treatment with trastuzumab.

scholarly journals DCC is differentially expressed in the tumors of breast cancer patients treated with trastuzumab.

2020 ◽  
Author(s):  
Shahan Mamoor
Keyword(s):  
Breast Cancer ◽  
Cancer Patients ◽  
Messenger Rna ◽  
Growth Factor Receptor ◽  
Metastatic Breast ◽  
The United States ◽  
Differentially Expressed ◽  
Breast Cancer Patients ◽  
Primary Tumors ◽  
Deleted In Colorectal Cancer

Trastuzumab (Herceptin) is a monoclonal antibody targeting the extracellular domain of the human epidermal growth factor receptor 2 (HER2) (1) utilized for the treatment of adjuvant and metastatic breast cancer (2) in the United States and worldwide. We mined published microarray and gene expression data (3, 4) to discover in an unbiased manner the most striking transcriptional features of trastuzumab treatment. We identified the deleted in colorectal cancer locus DCC (5, 6) as among the genes most differentially expressed in the primary tumors of patients with breast cancer treated with trastuzumab. The primary tumors of breast cancer patients treated with trastuzumab expressed higher levels of DCC messenger RNA than did patients not treated with trastuzumab, and a single administration of trastuzumab was sufficient to result in differential expression of DCC in primary tumors of the breast, demonstrating that a gene encoding for a netrin receptor, cellular machinery utilized for axon guidance in the central nervous system (5-9), is transcriptionally induced in primary tumors of the breast following treatment with trastuzumab.

scholarly journals MATK is differentially expressed in the tumors of breast cancer patients treated with trastuzumab.

2020 ◽  
Author(s):  
Shahan Mamoor
Keyword(s):  
Breast Cancer ◽  
Tyrosine Kinase ◽  
Cancer Patients ◽  
Messenger Rna ◽  
Growth Factor Receptor ◽  
Metastatic Breast ◽  
The United States ◽  
Differentially Expressed ◽  
Breast Cancer Patients ◽  
Primary Tumors

Trastuzumab (Herceptin) is a monoclonal antibody targeting the extracellular domain of the human epidermal growth factor receptor 2 (HER2) (1) utilized for the treatment of adjuvant and metastatic breast cancer (2) in the United States and worldwide. We mined published microarray and gene expression data (3, 4) to discover in an unbiased manner the most striking transcriptional features of trastuzumab treatment. We identified the megakaryocyte-associated tyrosine kinase MATK (5, 6) as among the genes most differentially expressed in the primary tumors of patients with breast cancer treated with trastuzumab. The primary tumors of breast cancer patients treated with trastuzumab expressed higher levels of MATK messenger RNA than did patients not treated with trastuzumab, and a single administration of trastuzumab was sufficient to result in differential expression of MATK in primary tumors of the breast, demonstrating that a platelet-expressed tyrosine kinase (5, 6) that interacts with the receptor for the stem cell factor (7) is likely transcriptionally induced in primary tumors of the breast by trastuzumab.

scholarly journals NEUROD4 is differentially expressed in the tumors of breast cancer patients treated with trastuzumab.

2020 ◽  
Author(s):  
Shahan Mamoor
Keyword(s):  
Breast Cancer ◽  
Cancer Patients ◽  
Messenger Rna ◽  
Growth Factor Receptor ◽  
Metastatic Breast ◽  
The United States ◽  
Differentially Expressed ◽  
Breast Cancer Patients ◽  
Primary Tumors ◽  
Unbiased Manner

Trastuzumab (Herceptin) is a monoclonal antibody targeting the extracellular domain of the human epidermal growth factor receptor 2 (HER2) (1) utilized for the treatment of adjuvant and metastatic breast cancer (2) in the United States and worldwide. We mined published microarray and gene expression data (3, 4) to discover in an unbiased manner the most significant transcriptional changes associated with trastuzumab treatment. We identified NEUROD4 among the genes most differentially expressed in the primary tumors of patients with breast cancer treated with trastuzumab. The primary tumors of breast cancer patients treated with trastuzumab expressed higher levels of NEUROD4 messenger RNA than did patients not treated with trastuzumab, and a single administration of trastuzumab was sufficient to result in differential expression of NEUROD4 in primary tumors of the breast, demonstrating increased expression of a transcription factor with neurogenic potential (5, 6) as a direct transcriptional consequence of treatment with trastuzumab.

scholarly journals Arachidonate 12-lipoxygenase (ALOX12) is differentially expressed in the tumors of breast cancer patients treated with trastuzumab.

2020 ◽  
Author(s):  
Shahan Mamoor
Keyword(s):  
Breast Cancer ◽  
Cancer Patients ◽  
Messenger Rna ◽  
Metastatic Breast ◽  
The United States ◽  
Differentially Expressed ◽  
Breast Cancer Patients ◽  
Primary Tumors ◽  
12 Lipoxygenase

Trastuzumab (Herceptin) is a monoclonal antibody targeting the extracellular domain of the human epidermal growth factor receptor 2 (HER2) (1) utilized for the treatment of adjuvant and metastatic breast cancer (2) in the United States and worldwide. We mined public microarray data (3, 4) to discover in an unbiased manner the most significant transcriptional changes associated with trastuzumab treatment. We identified arachidonate 12-lipoxygenase, encoded by ALOX12, as among the genes most differentially expressed in the primary tumors of patients with breast cancer treated with trastuzumab. The primary tumors of breast cancer patients treated with trastuzumab expressed higher levels of ALOX12 messenger RNA than did patients not treated with trastuzumab, demonstrating that in patients with breast cancer, administration of trastuzumab is associated with increased expression of an enzyme (5) whose inhibition results in enhanced responsiveness of breast cancer cells to chemotherapeutics in vitro (6).

scholarly journals Adropin, produced by the energy homeostasis associated gene ENHO is differentially expressed in the tumors of breast cancer patients treated with trastuzumab.

2020 ◽  
Author(s):  
Shahan Mamoor
Keyword(s):  
Breast Cancer ◽  
Cancer Patients ◽  
Messenger Rna ◽  
Energy Homeostasis ◽  
Growth Factor Receptor ◽  
Metastatic Breast ◽  
The United States ◽  
Differentially Expressed ◽  
Breast Cancer Patients ◽  
Primary Tumors

Trastuzumab (Herceptin) is a monoclonal antibody targeting the extracellular domain of the human epidermal growth factor receptor 2 (HER2) (1) utilized for the treatment of adjuvant and metastatic breast cancer (2) in the United States and worldwide. We mined published microarray and gene expression data (3, 4) to discover in an unbiased manner the most significant transcriptional changes associated with trastuzumab treatment. We identified ENHO among the genes most differentially expressed in the primary tumors of patients with breast cancer treated with trastuzumab. The primary tumors of breast cancer patients treated with trastuzumab expressed higher levels of ENHO messenger RNA than did patients not treated with trastuzumab, and a single administration of trastuzumab was sufficient to result in differential expression of ENHO in primary tumors of the breast, demonstrating increased expression of a molecule involved in regulation of glucose and lipid metabolism and whose expression is modulated by high-fat diet (5) as a direct transcriptional consequence of treatment with trastuzumab.

scholarly journals PHF20 is differentially expressed in the tumors of breast cancer patients treated with trastuzumab.

2020 ◽  
Author(s):  
Shahan Mamoor
Keyword(s):  
Breast Cancer ◽  
Cancer Patients ◽  
Messenger Rna ◽  
Growth Factor Receptor ◽  
Metastatic Breast ◽  
The United States ◽  
Differentially Expressed ◽  
Breast Cancer Patients ◽  
Primary Tumors ◽  
Phd Finger

Trastuzumab (Herceptin) is a monoclonal antibody targeting the extracellular domain of the human epidermal growth factor receptor 2 (HER2) (1) utilized for the treatment of adjuvant and metastatic breast cancer (2) in the United States and worldwide. We mined public and published microarray data (3, 4) to discover in an unbiased manner the most significant transcriptional changes associated with trastuzumab treatment. We identified the plant homeodomain (PHD) finger protein 20, PHF20, as among the genes most differentially expressed in the primary tumors of patients with breast cancer treated with trastuzumab. The primary tumors of breast cancer patients treated with trastuzumab expressed lower levels of PHF20 messenger RNA than did patients not treated with trastuzumab, demonstrating decreased primary tumor expression of an epigenetic molecule which is described to stabilize and activate the tumor suppressor p53 (5) as a direct or indirect transcriptional consequence of treatment with trastuzumab.

scholarly journals IL-6 is differentially expressed in the tumors of breast cancer patients treated with trastuzumab.

2020 ◽  
Author(s):  
Shahan Mamoor
Keyword(s):  
Breast Cancer ◽  
Metastatic Breast Cancer ◽  
Cancer Patients ◽  
Messenger Rna ◽  
Growth Factor Receptor ◽  
Metastatic Breast ◽  
The United States ◽  
Differentially Expressed ◽  
Breast Cancer Patients ◽  
Primary Tumors

Trastuzumab (Herceptin) is a monoclonal antibody targeting the extracellular domain of the human epidermal growth factor receptor 2 (HER2) (1) utilized for the treatment of adjuvant and metastatic breast cancer (2) in the United States and worldwide. We mined published microarray and gene expression data (3, 4) to discover in an unbiased manner the most striking transcriptional features of trastuzumab treatment. We identified the cytokine interleukin-6 (IL-6) (5) as among the genes most differentially expressed in the primary tumors of patients with breast cancer treated with trastuzumab. The primary tumors of breast cancer patients treated with trastuzumab expressed higher levels of IL-6 messenger RNA than did patients not treated with trastuzumab, and a single administration of trastuzumab was sufficient to result in differential expression of IL-6 in primary tumors of the breast, suggesting that increased primary tumor expression of IL-6 in the primary tumors of patients with breast cancer, a cytokine whose serum levels are correlated with worse patient survival outcomes in metastatic breast cancer (6), is a direct transcriptional result of treatment with trastuzumab.

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