User profiles for Xena A. Al-Qahtani

Xena Al Qahtani

Harvard Medical School
Verified email at mgh.harvard.edu
Cited by 62

[HTML][HTML] The landscape of early infantile epileptic encephalopathy in a consanguineous population

M Nashabat, XS Al Qahtani, S Almakdob, W Altwaijri… - Seizure, 2019 - Elsevier
Purpose Epileptic encephalopathies (EE), are a group of age-related disorders characterized
by intractable seizures and electroencephalogram (EEG) abnormalities that may result in …

[HTML][HTML] Dystonias: Clinical Recognition and the Role of Additional Diagnostic Testing

…, CM De Gusmao, X Al Qahtani… - Seminars in …, 2023 - thieme-connect.com
Dystonia is the third most common movement disorder, characterized by abnormal, frequently
twisting postures related to co-contraction of agonist and antagonist muscles. Diagnosis is …

[PDF][PDF] Bowel function and its associated variables in Saudi adults

AM Zubaidi, NH Al-Saud, XA Al-Qahtani… - A population based …, 2012 - Citeseer
Objectives: To study bowel patterns (function/habits) and its associated variables in an adult
Saudi population. Methods: In a cross sectional study, a 21-item questionnaire on bowel …

[HTML][HTML] Isolated cervical dystonia: management and barriers to care

…, SJ Carr, J Kristoper de Guzman, X Al Qahtani… - Frontiers in …, 2020 - frontiersin.org
Background: Cervical dystonia (CD) is a rare disorder, and health care providers might be
unfamiliar with its presentation, thus leading to delay in the initial diagnosis. The lack of …

Myoclonus-Dystonia in an Individual with a Mutation in the GRIN2A Gene

X Al Qahtani, T Multhaupt-Buell… - Journal of Pediatric …, 2023 - thieme-connect.com
Mutations in the GRIN2A gene are associated with epilepsy-aphasia spectrum disorders
and developmental and epileptic encephalopathies. Associations have been linked with …

Bowel function and its associated variables in Saudi adults a population based study

Z Ahmad M, AS Nouf H, AQ Xena A, S Shaffi A… - 2012 - pesquisa.bvsalud.org
To study bowel patterns [function/habits] and its associated variables in an adult Saudi
population. In a cross sectional study, a 21-item questionnaire on bowel function [habits and …

Identification and analysis of dysregulated fatty acid metabolism genes in breast cancer subtypes

U Yousuf, S Sofi, A Makhdoomi, MA Mir - Medical Oncology, 2022 - Springer
… We used the TCGA BRCA database obtainable from Gepia2 and UCSC XENA web servers
to evaluate the expression of fatty acid metabolism genes in clinical samples of BC patients. …

THAP1 mutations (DYT6) are an additional cause of early-onset dystonia

H Houlden, SA Schneider, R Paudel, A Melchers… - Neurology, 2010 - AAN Enterprises
Background: The clinical phenotype of DYT6 consists mainly of primary craniocervical
dystonia. Recently, the THAP1 gene was identified as the cause of DYT6, where a total of 13 …

Age at onset as a factor in determining the phenotype of primary torsion dystonia

S O'riordan, D Raymond, T Lynch… - Neurology, 2004 - AAN Enterprises
Background: The genetic basis of most forms of primary torsion dystonia (PTD) is unknown;
multiplex families are uncommon due to low penetrance. Intrafamilial, age-related, …

Epidemiology of DYT1 dystonia: Estimating prevalence via genetic ascertainment

J Park, SM Damrauer, A Baras, JG Reid… - Neurology …, 2019 - AAN Enterprises
Objective To estimate the prevalence of TOR1A sequence variants associated with DYT1
dystonia. Methods We determined the frequency of the common trinucleotide deletion that …