What question did this study set out to answer?

The research aims to investigate how alternative splicing of neuronal nitric-oxide synthase regulates its expression in skeletal muscle.

May 1, 1996Journal of Biological ChemistryOpen Access

Neuronal Nitric-oxide Synthase-μ, an Alternatively Spliced Isoform Expressed in Differentiated Skeletal Muscle

Q: What is the clinical evidence from this study?

Study design: Other. Intervention: Alternative splicing of nNOS (nNOS mu isoform) vs. nNOS from brain/cerebellum. Primary outcome: Identification and characterization of nNOS mu isoform.

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Key result

Alternative splicing regulates neuronal NOS in striated muscle, producing a novel nNOS mu isoform that functions exclusively in differentiated skeletal muscle and heart.

Authors

FSFrancesca SilvagnoUniversity of Turin HXHouhui XiaUniversity of Rochester Medical Center DBDavid S. BredtUniversity of Maryland, Baltimore

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Implication

Alternative splicing may tune nNOS in cardiac muscle; leaves open its relevance to heart disease and targeted therapies.

Key Points

The research aims to investigate how alternative splicing of neuronal nitric-oxide synthase regulates its expression in skeletal muscle.
Identified the nNOS mu isoform through purification and characterization in differentiated muscle cultures.
Examined the expression patterns of nNOS mu protein using isoform-specific antibodies.
Compared catalytic activities of nNOS mu and brain-derived nNOS.
nNOS mu is specifically expressed in differentiated skeletal muscle and heart tissues.
The alternative spliced segment between exons 16 and 17 results in a larger nNOS isoform.
nNOS mu exhibits similar catalytic activity to cerebellar nNOS.

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Exposure / Comparator

Alternative splicing of nNOS (nNOS mu isoform) vs nNOS from brain/cerebellum

Primary Outcome

Identification and characterization of nNOS mu isoform

Cite This Study

Silvagno et al. (1996) studied this question. Alternative splicing of nNOS (nNOS mu isoform) vs. nNOS from brain/cerebellum was evaluated on Identification and characterization of nNOS mu isoform. Alternative splicing regulates neuronal NOS in striated muscle, producing a novel nNOS mu isoform that functions exclusively in differentiated skeletal muscle and heart.

synapsesocial.com/papers/6a6ea73078a11c550e088fc7 https://doi.org/10.1074/jbc.271.19.11204

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Neuronal Nitric-oxide Synthase-μ, an Alternatively Spliced Isoform Expressed in Differentiated Skeletal Muscle

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Key Points

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Cite This Study

Neuronal Nitric-oxide Synthase-μ, an Alternatively Spliced Isoform Expressed in Differentiated Skeletal Muscle

Discussion

Member takes

Implication

Key Points

PICO

Cite This Study

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