Adult onset neurodegenerative disorder

Gene: ABCB7

Red List (low evidence)

Affected males had a moderate hypochromic microcytic anemia with ring sideroblasts on bone marrow examination. The ataxia and incoordination were evident by age 1 year, were nonprogressive, and were accompanied by long motor tract signs (hyperactive deep tendon reflexes, positive Babinski sign, clonus) in the younger affected males. At least 3 families reported but as it is non-progressive has been marked red.

Created: 2 Sep 2019, 4:06 p.m. | Last Modified: 2 Sep 2019, 4:06 p.m.

Panel Version: 1.99

Mode of inheritance
X-LINKED: hemizygous mutation in males, monoallelic mutations in females may cause disease (may be less severe, later onset than males)

Phenotypes
Anemia, sideroblastic, with ataxia,; Sideroblastic Anemia and Ataxia

Red List (low evidence)

Onset in early childhood

Created: 23 Jul 2019, 3:35 p.m. | Last Modified: 23 Jul 2019, 3:35 p.m.

Panel Version: 1.72

Mode of inheritance
X-LINKED: hemizygous mutation in males, monoallelic mutations in females may cause disease (may be less severe, later onset than males)

Phenotypes
Anemia, sideroblastic, with ataxia; Sideroblastic Anemia and Ataxia

Red List (low evidence)

As discussed with the GMS Neurology Specialist Test Group webex call 11th September 2019: The Specialist Test Group all agreed that there is only enough evidence to rate this gene Red

Created: 20 Sep 2019, 4:19 p.m. | Last Modified: 20 Sep 2019, 4:19 p.m.

Panel Version: 1.106

Review and rating from Tracy Lester (Oxford Medical Genetics Laboratories Oxford University Hospitals NHS Foundation Trust) on behalf of Wessex and West Midlands GLH for GMS Neurology specialist test group. All the green and amber, except for the genes with triplet repeats, were reviewed.

Created: 2 Sep 2019, 4:46 p.m. | Last Modified: 2 Sep 2019, 4:46 p.m.

Panel Version: 1.101

Review and rating submitted by Nick Beauchamp (Sheffield Diagnostic genetics Service), on behalf of Yorkshire and North East GLH for GMS Neurology specialist test group.

Created: 23 Jul 2019, 3:51 p.m. | Last Modified: 23 Jul 2019, 3:51 p.m.

Panel Version: 1.74

Review and rating submitted byJames Polke (North Bristol NHS Trust), unless specified in the review comment, on behalf of London North GLH for GMS Neurology specialist test group.

Created: 23 Apr 2019, 5:35 p.m.

Red List (low evidence)