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H749 Centronuclear Myopathy (CNM, also known as HMLR)

Background

Skeletal muscle myopathy is a hereditary muscle disorder in which there is a deficiency of type II muscle fibers leading to a notable decrease in skeletal muscle mass. Although several breeds of dogs have been observed to demonstrate similar disorders, this condition is only seen in Labrador retrievers and was first reported and described in 1976. In 1981, the same researchers characterized the mode of inheritance in Labradors and since that time the condition has been referred to as Hereditary Myopathy of Labrador Retrievers (HMLR). Other names for HMLR include muscular dystrophy, myotonia, generalized muscle weakness, polyneuropathy, and hereditary myopathy.

Test specific information

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Age

The genetic factor is continuously present, and will always be visible.

Throughput

Normally the result can be expected within 10 working days. This turn-around-time starts when both the sample and the fully filled-out and signed submission form have been received.

Location of disease or trait

The disease is present in muscle. Depending on the effect, degeneration of muscle may take place. Alternatively, recovery following exercise may be deteriorated.

Breed dependence

This DNA test is available for the following breeds: Labrador Retriever. Additional information is available in the Frequently Asked Questions (FAQ).

Sample type

For this DNA test we accept the following materials: Blood EDTA, Swab, Blood Heparin, Semen, Tissue. Please contact Dr. Van Haeringen Laboratorium if you wish to submit other material as listed.

Result

An animal can be free and has in that situation two healthy alleles. When used in breeding this animal will not become ill due to the disease. It cannot spread the disease in the population.

An animal can be carrier and has in that situation one healthy and one disease allele. When used in breeding 50 percent of the offspring will receive the disease allele. Carriers will not become ill.

An animal can be affected and has in that situation two disease alleles. When used in breeding all offspring will also receive the disease allele. Affected will become ill.

Inheritance

This genetic factor is inherited in an autosomal, recessive, mode. This means, that the individual can be free of the disease (homozygote normal), affected (homozygous affected) or carrier (heterozygous).

Carriers may spread the mutation in a population without showing symptoms themselves. Because of this, it is extremely important to identify carriers correctly to prevent spreading of a mutation.

Severity of Disease

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Dog

Centronuclear Myopathy (CNM, also known as HMLR)

Code H749
€ 47,80 (incl. 21% VAT)
€ 39,50 (excl. VAT)
Quantity