Cacna1c, supplied by Alomone Labs, used in various techniques. Bioz Stars score: 95/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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1) Product Images from "Serum response factor regulates smooth muscle contractility via myotonic dystrophy protein kinases and L-type calcium channels"
Article Title: Serum response factor regulates smooth muscle contractility via myotonic dystrophy protein kinases and L-type calcium channels
Journal: PLoS ONE
Figure Legend Snippet: Alternations of L-type calcium channel transcripts, protein, and action potential in KO smooth muscle. (A) PCR validation of alternatively started and spliced exons of Cacna1c in WT and KO jejunum smooth muscle at KO days 5, 10, and 15. NTC is non template control. Primer sets were designed from variant exons in the regions (e.g. E1-3, forward primer spanning a region on exon 1 and reverse primer on exon 3). (B) qPCR data showing decreased expression of Cacna1c variants starting at exon 1 and exon 2 long and short forms (E1-3, E2L-3, and E2L/S-3) at KO days 5, 10, 15, and 20. E1-3, a region spanning exons 1 and 3; E2L-3, a region spanning exon 2 long (L) form and exon 3; E2L/S-3, a region spanning exon 2 long (L) and short (S) forms and exon 3. (C) Western blot showing decreased levels of CACNA1C protein in Srf KO muscle. (D) Consensus sequence of 5’ splice donor and 3’ splice acceptor sites. (E) A topological map of CACNA1C variants. Amino acid sequence is written in small circles. Four motifs are indicated as I-IV and six transmembrane domains, S1-S6. Four pore regions are also indicated. Colors on amino acid sequence show particular regions and domains: red, missing or inserted peptides from differentially spliced exons; purple, voltage sensors in S4 transmembrane domains; green, start codons found in differentially spliced variants (*, start codons deduced from indicated exons that are differentially spliced; blue, β subunit binding domain; brown, CaM (calmodulin) binding domain; orange, PKA (protein kinase A) phosphorylation site. Alignment of alternatively spliced exons E9/10, E24/25, and E32/33 are shown. (F) Isometric force recordings from antrum and colon of WT and KO mice. Bay K8644 (1 μM) and high potassium (K + ) Krebs (36 mM and 72 mM) were applied to the tissues (indicated by bar and arrows). (G) The graph summarizes the results for 9 antral and 5 colonic WT and KO tissues. The responses to Bay K8644, 36 mM K + , and 72 mM K + were significantly decreased in KO antrums, and the responses to 36 mM K + and 72 mM K + were significantly reduced in KO colons compared to WT. * and ** represent p ≤ 0.05 and p ≤ 0.01 respectively.
Techniques Used: Polymerase Chain Reaction, Variant Assay, Real-time Polymerase Chain Reaction, Expressing, Western Blot, Sequencing, Binding Assay, Chick Chorioallantoic Membrane Assay, Mouse Assay
Figure Legend Snippet: Model showing the possible molecular pathways by which SRF regulates contractility via DMPK and CACNA1C in SMC.
Figure Legend Snippet: Identification of a predominant subtype and alternative transcriptional variants of L-type calcium channels expressed in SMC. (A) Expression levels of L-type calcium channel subtypes in SMC of jejunum and colon. (B) Expression levels of Cacna1c variants in SMC and tissue of jejunum and colon. (C) A genomic map of Cacna1c variants. Five variable regions (V1-5) are indicated. Exons are numbered 1–48. (D) Magnified view of variable regions showing alternatively started or spliced exons (indicated as exon numbers). Seven exons containing alternative transcriptional start sequence are shown by a star (*). Long (L) and short (S) exons that are differentially started or spliced are indicated.
Techniques Used: Expressing, Sequencing
2) Product Images from "Ca2+/Calmodulin-dependent Protein Kinase II-dependent Remodeling of Ca2+ Current in Pressure Overload Heart Failure *"
Article Title: Ca2+/Calmodulin-dependent Protein Kinase II-dependent Remodeling of Ca2+ Current in Pressure Overload Heart Failure *
Figure Legend Snippet: A , surface expression of α1c protein in SEN and SEP myocytes from sham and HF LV lysates. Surface proteins were biotinylated and immobilized on avidin agarose, and equal amounts of protein were subjected to SDS-PAGE and Western blot. Densitometric
Techniques Used: Expressing, Avidin-Biotin Assay, SDS Page, Western Blot