scholarly journals SMAD7 is differentially expressed in brain metastatic human breast cancer.

2021 ◽  
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 for the discovery of genes associated with brain metastasis in humans with metastatic breast cancer. We found that mothers against decapentaplegic homolog 7, encoded by SMAD7, 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. SMAD7 mRNA was present at decreased quantities in brain metastatic tissues as compared to primary tumors of the breast. Importantly, expression of SMAD7 in primary tumors was significantly correlated with patient recurrence-free survival. Modulation of SMAD7 expression may be relevant to the biology by which tumor cells metastasize from the breast to the brain in humans with metastatic breast cancer.

2021 ◽  
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 for the discovery of genes associated with brain metastasis in humans with metastatic breast cancer. We found that sprouty homolog 2, encoded by SPRY2, was among the genes whose expression was most quantitatively different in the brain metastases of patients with metastatic breast cancer. SPRY2 mRNA was present at decreased quantities in brain metastatic tissues as compared to primary tumors of the breast. Importantly, expression of SPRY2 in primary tumors was significantly correlated with patient recurrence-free survival in patients with breast cancer. Modulation of SPRY2 expression may be relevant to the biology by which tumor cells metastasize from the breast to the brain.


2021 ◽  
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 for the discovery of genes associated with brain metastasis in humans with metastatic breast cancer. We found that ripply transcriptional repressor 2, encoded by RIPPLY2, 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. RIPPLY2 mRNA was present at decreased quantities in brain metastatic tissues as compared to primary tumors of the breast. Importantly, expression of RIPPLY2 in primary tumors was significantly correlated with patient recurrence-free survival. Modulation of RIPPLY2 expression may be relevant to the biology by which tumor cells metastasize from the breast to the brain in humans with metastatic breast cancer.


2021 ◽  
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 for the discovery of genes associated with brain metastasis in humans with metastatic breast cancer. We found that ATPase phospholipid transporting 8A2, encoded by ATP8A2, 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. ATP8A2 mRNA was present at increased quantities in brain metastatic tissues as compared to primary tumors of the breast. Importantly, expression of ATP8A2 in primary tumors was significantly correlated with patient recurrence-free survival. Modulation of ATP8A2 expression may be relevant to the biology by which tumor cells metastasize from the breast to the brain in humans with metastatic breast cancer.


2021 ◽  
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 for the discovery of genes associated with brain metastasis in humans with metastatic breast cancer. We found that poly(A) polymerase gamma, encoded by PAPOLG, 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. PAPOLG mRNA was present at decreased quantities in brain metastatic tissues as compared to primary tumors of the breast. Importantly, expression of PAPOLG in primary tumors was significantly correlated with patient recurrence-free survival. Modulation of PAPOLG expression may be relevant to the biology by which tumor cells metastasize from the breast to the brain in humans with metastatic breast cancer.


2021 ◽  
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 for the discovery of genes associated with brain metastasis in humans with metastatic breast cancer. We found that neuron navigator 3, encoded by NAV3, was among the genes whose expression was most quantitatively different in the brain metastases of patients with metastatic breast cancer. NAV3 mRNA was present at decreased quantities in brain metastatic tissues as compared to primary tumors of the breast. Importantly, expression of NAV3 in primary tumors was significantly correlated with patient recurrence-free survival in patients with breast cancer. Modulation of NAV3 expression may be relevant to the biology by which tumor cells metastasize from the breast 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 compare primary and metastatic tumor transcriptomes for the discovery of genes associated with brain metastasis in humans with metastatic breast cancer. We found that Bernardinelli-Seip congenital lipodystrophy 2, also known as seipin, encoded by BSCL2, 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. BSCL2 mRNA was present at increased quantities in brain metastatic tissues as compared to primary tumors of the breast. Expression of BSCL2 in primary tumors was significantly correlated with patient distant metastasis-free survival. Modulation of BSCL2 expression may be relevant to the biology by which tumor cells metastasize from the breast to the brain in humans with metastatic breast cancer.


2021 ◽  
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 for the discovery of genes associated with brain metastasis in humans with metastatic breast cancer. We found that neurocan, encoded by NCAN, 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. NCAN mRNA was present at increased quantities in brain metastatic tissues as compared to primary tumors of the breast. Importantly, expression of NCAN in primary tumors was significantly correlated with patient recurrence-free survival. Modulation of NCAN expression may be relevant to the biology by which tumor cells metastasize from the breast to the brain in humans with metastatic breast cancer.


2021 ◽  
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 for the discovery of genes associated with brain metastasis in humans with metastatic breast cancer. We found that the E2F-associated phosphoprotein, encoded by EAPP, 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. EAPP mRNA was present at increased quantities in brain metastatic tissues as compared to primary tumors of the breast. Expression of EAPP in primary tumors was significantly correlated with patient distant metastasis-free survival. Modulation of EAPP expression may be relevant to the biology by which tumor cells metastasize from the breast to the brain in humans with metastatic breast cancer.


2021 ◽  
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 for the discovery of genes associated with brain metastasis in humans with metastatic breast cancer. We found that genetic suppressor element 1, encoded by GSE1, also known as KIAA0182, 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. GSE1 mRNA was present at increased quantities in brain metastatic tissues as compared to primary tumors of the breast. Expression of GSE1 in primary tumors was significantly correlated with patient recurrence-free survival. Modulation of GSE1 expression may be relevant to the biology by which tumor cells metastasize from the breast to the brain in humans with metastatic breast cancer.


2021 ◽  
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 for the discovery of genes associated with brain metastasis in humans with metastatic breast cancer. We found that synaptophysin, encoded by SYP, 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. SYP mRNA was present at increased quantities in brain metastatic tissues as compared to primary tumors of the breast. Expression of SYP in primary tumors was significantly correlated with patient recurrence-free survival. Modulation of SYP expression may be relevant to the biology by which tumor cells metastasize from the breast to the brain in humans with metastatic breast cancer.


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