An-Najah University Journal for Research - A (Natural Sciences)

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An-Najah University Journal for Research - A (Natural Sciences) Indexed in Scopus since 2019
CiteScore 0.8
Indexed since 2019
First decision 5 Days
Submission to acceptance 160 Days
Acceptance to publication 20 Days
Acceptance rate 14%

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Original full research article

A Distinct Phenotype of Mevalonic Acidemia with Absence of Pathogenic Mutations of Mevalonate Kinase Gene

Published
2016-03-03
Pages
71 - 80
Full text

Keywords

  • retinitis pigmentosa.
  • mevalonate kinase
  • dysmorphic features
  • mevalonic aciduria

Abstract

Mevalonic aciduria is an autosomal recessive disorder caused by deficiency of mevalonate kinase and characterized by recurrent febrile crisis, ophthalmic and neurological manifestations. We report two brothers with mevalonic aciduria characterized clinically by severe failure to thrive, psychomotor retardation, dysmorphic features, retinitis pigmentosa and hypoplastic genitalia. Recurrent episodes of fever, a characteristic feature of mevalonic aciduria due to deficiency of mevalonate kinase enzyme was absent. Both patients excreted moderate amounts of mevalonic acid. Molecular analysis of MVK gene showed no abnormalities and plasma 7-dehydrocholesterol and serum immunoglobulin D were normal. This phenotype-genotype association has not been described in previous reports and future molecular genetic studies are required to know the full spectrum of disorders of the mevalonate pathway.

Article history

Received
2014-07-16
Accepted
2015-03-11
Available online
2016-03-03
بحث أصيل كامل

نمط ظاهري متميز لبيلة الميفالونيك مصاحبه بعدم وجود طفرات مرضيه في جين ميفالونات كيناز

Published
2016-03-03
الصفحات
71 - 80
البحث كاملا

الكلمات الإفتتاحية

  • retinitis pigmentosa.
  • mevalonate kinase
  • dysmorphic features
  • mevalonic aciduria

الملخص

تبين الحالتان الموصوفتان أعراضًا فريدة لمرض وراثي نادر يسمى (مرض ارتفاع الحمض الميفالوني (بيلة الميفالونيك). المريضان لم يشكوا من ارتفاع متكرر في درجات الحرارة الذي يميز مرض ارتفاع الحمض الميفالوني الناتج من نقص أنزيم ميفالونات كيناز، وبفحص الجين المسبب للمرض لم يثبت وجود طفرة؛ مما يؤشر لضرورة عمل فحص جينات متطور؛ لمعرفة الطفرات النادرة للمرض، وقد تكون هذه الأعراض مؤشرا لمعرفة مرض جديد.

Article history

تاريخ التسليم
2014-07-16
تاريخ القبول
2015-03-11
Available online
2016-03-03