scholarly journals Apelin is differentially expressed in brain metastatic breast cancer.

2020 ◽  
Author(s):  
Shahan Mamoor

Brain metastases are a clinical problem in patients with breast cancer (1-3). We mined published microarray data (4, 5) to discover genes associated with brain metastasis in patients with brain metastatic breast cancer. We found that the gene encoding the peptide apelin, APLN, was among those most differentially expressed in the brain metastases of patients with brain metastatic breast cancer. APLN may be of relevance to the biology underlying metastasis to the brain in humans with metastatic breast cancer.

2020 ◽  
Author(s):  
Shahan Mamoor

Brain metastases are a clinical problem in patients with breast cancer (1-3). We mined published microarray data (4, 5) to discover genes associated with brain metastasis in patients with brain metastatic breast cancer. We found that the gene encoding the glutamate transport SLC1A3 was among the genes most differentially expressed in the brain metastases of patients with brain metastatic breast cancer. SLC1A3, and its function in the transport of glutamate (6) may be relevant to the biology underlying metastasis of competent breast cancer clones to the brain.


2020 ◽  
Author(s):  
Shahan Mamoor

Brain metastases are a clinical problem in patients with breast cancer (1-3). We mined published microarray data (4, 5) to discover genes associated with brain metastasis in patients with brain metastatic breast cancer. We found that the gene encoding the matrix metalloproteinase 13, MMP13, was among the genes most differentially expressed in the brain metastases of patients with brain metastatic breast cancer. MMP13 may be of relevance to the biology underlying metastasis to the brain in humans with metastatic breast cancer. MMP13 now joins MMP14, MMP11 and MMP2 among matrix metalloproteinases we have found to be differentially expressed and down-regulated in the brain metastases of humans with metastatic breast cancer (6-8).


2020 ◽  
Author(s):  
Shahan Mamoor

Preservation of mitochondrial integrity is essential for prevention of cell death (1, 2). Brain metastases are a clinical problem in patients with breast cancer (3-5). We mined published microarray data (6, 7) to discover genes associated with brain metastasis in patients with brain metastatic breast cancer. We found that the gene encoding optic atrophy 1, OPA1, a gene with functions in the stabilization of the mitochondrial cristae (8), was among the genes most differentially expressed in the brain metastases of patients with brain metastatic breast cancer. OPA1 may be of relevance to the biology underlying metastasis to the brain, and it may be of relevance as a potential therapeutic target in patients with intractable disease.


2020 ◽  
Author(s):  
Shahan Mamoor

Metastasis to the brain is a clinical problem in patients with breast cancer (1-3). We mined published microarray data (4, 5) to compare primary and metastatic tumor transcriptomes to discover genes associated with brain metastasis in patients with metastatic breast cancer. We found that the telomerase-associated protein encoded by TEP1 (6) was among the genes whose expression was most different in the brain metastases of patients with brain metastatic breast cancer as compared to primary tumors of the breast. TEP1 may be relevant to processes underlying metastasis of primary tumor-derived cancer cells to the brain in humans with metastatic breast cancer.


2020 ◽  
Author(s):  
Shahan Mamoor

Metastasis to the brain is a clinical problem in patients with breast cancer (1-3). We mined published microarray data (4, 5) to compare primary and metastatic tumor transcriptomes to discover genes associated with brain metastasis in patients with metastatic breast cancer. We found that the glycine-N-acyltransferase, encoded by GLYAT, was among the genes whose expression was most different in the brain metastases of patients with metastatic breast cancer as compared to primary tumors of the breast. Molecular functions and down-regulation of GLYAT may be important for metastasis of primary tumor-derived cancer cells to the brain in humans with metastatic breast cancer.


2020 ◽  
Author(s):  
Shahan Mamoor

Brain metastases are a clinical problem in patients with breast cancer (1-3). We mined published microarray data (4, 5) to discover genes associated with brain metastasis in patients with brain metastatic breast cancer. We found that RALGPS1 was among the genes most differentially expressed in the brain metastases of patients with brain metastatic breast cancer. RALGPS1 may be of relevance to the biology underlying metastasis to the brain, and it may be of relevance as a potential therapeutic target in patients with intractable disease.


2020 ◽  
Author(s):  
Shahan Mamoor

Control of gene expression includes regulation by trans-acting transcription factors and cis-acting epigenetic regulation by chemical modification of histones and the DNA (1, 2). Brain metastases are a clinical problem in patients with breast cancer (3-5). We mined published microarray data (6, 7) to discover genes associated with brain metastasis in patients with brain metastatic breast cancer. We found that the gene encoding the T-box transcription factor TBX5 was among the genes most differentially expressed in the brain metastases of patients with brain metastatic breast cancer. Differential expression of anti-sense transcription at the TBX5 locus in brain metastases in patients with metastatic breast cancer was also observed. TBX5 may be of relevance to the biology underlying metastasis to the brain.


2020 ◽  
Author(s):  
Shahan Mamoor

Metastasis to the brain is a clinical problem in patients with breast cancer (1-3). We mined published microarray data (4, 5) to discover genes associated with brain metastasis in breast cancer. We identified significant differential expression of cornifelin, encoded by CNFN, in the brain metastases of patients with metastatic breast cancer. Increased expression of CNFN observed in brain metastatic tissues may be pertinent to understanding the biology underlying colonization of the brain with metastatic breast cancer clones.


2020 ◽  
Author(s):  
Shahan Mamoor

Metastasis to the brain is a clinical problem in patients with breast cancer (1-3). We mined published microarray data (4, 5) to compare primary and metastatic tumor transcriptomes to discover genes associated with brain metastasis in patients with metastatic breast cancer. We found that telethonin, also known as titin-cap, encoded by TCAP, was among the genes whose expression was most different in the brain metastases of patients with metastatic breast cancer as compared to primary tumors of the breast. TCAP mRNA was present at increased quantities in brain metastatic tissues as compared to primary tumors of the breast. Up-regulation of TCAP expression may be of relevance to mechanisms by which tumor cells of the breast metastasize to the brain in humans with metastatic breast cancer.


2020 ◽  
Author(s):  
Shahan Mamoor

Metastasis to the brain is a clinical problem in patients with breast cancer (1-3). We mined published microarray data (4, 5) to compare primary and metastatic tumor transcriptomes to discover genes associated with brain metastasis in patients with metastatic breast cancer. We found that the gastrin releasing peptide, encoded by GRP, was among the genes whose expression was most different in the brain metastases of patients with metastatic breast cancer as compared to primary tumors of the breast. Molecular functions of gastrin releasing peptide may be relevant to the processes by which tumor cells of the breast metastasize to the breast. Down-regulation of GRP may be an important event for metastasis of primary tumor-derived cancer cells to the brain in humans with metastatic breast cancer.


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