|CSC-DC008528||Panoply™ Human LAMC1 Knockdown Stable Cell Line||Inquiry|
|CSC-SC008528||Panoply™ Human LAMC1 Over-expressing Stable Cell Line||Inquiry|
|CDCB176909||Danio rerio LAMC1 ORF Clone (NM_173277)||Inquiry|
|CDCL126105||Mouse LAMC1 ORF clone (NM_002293.3)||Inquiry|
|CDCL126109||Human Lamc1 ORF clone (NM_010683.2)||Inquiry|
|CDCS410739||Human LAMC1 ORF Clone (BC015586)||Inquiry|
|CDFL006810||Mouse Lamc1 cDNA Clone(NM_010683.2)||Inquiry|
|MiUTR1H-05563||LAMC1 miRNA 3'UTR clone||Inquiry|
|MiUTR1M-06515||LAMC1 miRNA 3'UTR clone||Inquiry|
|SHH141635||shRNA set against Mouse Lamc1(NM_010683.2)||Inquiry|
|SHH141641||shRNA set against Human LAMC1(NM_002293.3)||Inquiry|
|SHH328299||shRNA set against Human LAMC1 (NM_002293.3)||Inquiry|
|SHH328303||shRNA set against Mouse LAMC1 (NM_010683.2)||Inquiry|
|SHH328307||shRNA set against Rat LAMC1 (NM_053966.2)||Inquiry|
|SHW015434||shRNA set against Danio rerio LAMC1 (NM_173277)||Inquiry|
LAMC1 gene encodes an extracellular matrix protein, the laminin 1 chain, which is involved in several biological and pathological processes including tissue development, tumor cell invasion and metastasis.
The normal prostate as well as early stages and advanced prostate cancer (PCa) require a functional androgen receptor (AR) for growth and survival. The recent discovery of microRNAs (miRNAs) as novel effector molecules of AR revealed the existence of an intricate network between AR, miRNAs and downstream target genes. In order to investigate the functional significance of miR-29 in cancer cells and also to identify novel miR-29s-mediated cancer pathways and target genes involved in PCa oncogenesis and metastasis, a series of analysis was conducted by the researchers. Results demonstrated that miR-29s modulated the focal adhesion pathway. Moreover, the LAMC1 gene was a candidate target of miR-29s regulation. Luciferase assays showed that miR-29s directly regulated LAMC1. Silencing of LAMC1 significantly inhibited cell migration and invasion in cancer cells, and LAMC1 was upregulated in PCa. The miR-29s acted as tumor suppressors, contributing to cancer cell migration and invasion and directly targeting laminin signaling. Recognition of tumor-suppressive miRNA-mediated cancer pathways provided new insights into the potential mechanisms of PCa oncogenesis and metastasis, and suggested novel therapeutic strategies for treating this disease.
In a study using DUCaP cells, which are characterized by high content of wild-type AR and robust AR transcriptional activity, LAMC1 and myeloid cell leukemia 1 (MCL1) were identified as direct targets of miR-22 and miR-29a respectively, suggesting a tumor-suppressive role of these miRNAs. Indeed, transfection of miRNA mimics in PCa cells induced apoptosis and diminished cell migration and viability. Collectively, these data provided additional information regarding the complex regulatory machinery that may guide miRNAs activity in PCa, highlighting an important contribution of miRNAs in the AR signaling.
In another research, investigators detected a mutation in the extracellular matrix (ECM) protein-encoding gene NID1, in a family with autosomal dominant Dandy–Walker malformation and occipital cephaloceles. In a second family, further analysis identified a mutation in LAMC1, which encodes a NID1-binding partner. Structural modeling of the NID1–LAMC1 complex demonstrated that each mutation disrupts the interaction. These findings implicated the ECM in the pathogenesis of Dandy–Walker spectrum disorders (Fig.1).
Fig. 1. LAMC1 mutant sequence from Family 2 (top) compared to the normal LAMC1 sequence (bottom). (Yang et al, 2016)
In order to investigate the effects of microRNA-506(miR-506) on malignant phenotype of colorectal carcinoma cells and identify the target gene of miR-506 in colon carcinoma, researchers adopted the SW480 cell line for investigation. It was revealed that the number of migrated and invasive cells, viability and clonality in the miR-506 overexpression groups was reduced. Moreover, LAMC1 mRNA and protein levels in the miR-506 overexpression groups were lower than those in the control groups. These findings, taken together, suggested that LAMC1 is a direct target gene for miR-506 and miR-506 could inhibit the cell migration and invasion.
In another report, researchers confirmed a miR-124 mediated ceRNA (competing endogenous RNAs) crosstalk between LAMC1 and CD151 in hepatocellular carcinoma (HCC). miR-124 negatively regulates LAMC1 expression through two miRNA binding sites within its 3' untranslated region (3'UTR) and suppresses migration and invasion of HCC cells through regulating LAMC1. In clinical hepatic tissues, LAMC1 and CD151 mRNAs exhibit positive correlation. More importantly, LAMC1 MREs (miRNA response elements) promote HCC malignancy by absorbing miR-124 and also by assisting CD151 expression. Thus it was concluded that LAMC1 mRNA acts as a trans-regulator to stimulate CD151 expression by competing for miR-124 binding in HCC cells.
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