Publications by authors named "Miranda-Duarte A"

Introduction: the tendency in the rehabilitation is to train specifically to the lumbopelvic girdle muscles, to give stability and segmentary control of the same.

Objective: to evaluate the isokinetic lumbopelvic in the patient's functional qualities with a dynamic instrumentation system (Accuflex).

Material And Methods: post-operated patients of spinal stenosis by means of dynamic liberation and fixation (Accuflex).

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Muscular dystrophies (MDs) are a heterogeneous group of diseases of genetic origin characterized by progressive skeletal muscle degeneration and weakness. There are several types of MDs, varying in terms of age of onset, severity, and pattern of the affected muscles. However, all of them worsen over time, and many patients will eventually lose their ability to walk.

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Diagnosis of developmental dysplasia of the hip (DDH) mostly relies on physical examination and ultrasound, and both methods are operator-dependent. Late detection can lead to complications in young adults. Current evidence supports the involvement of environmental and genetic factors, such as single nucleotide variants (SNVs).

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Background: Chronic low back pain (CLBP) is a complex condition in which genetic factors play a role in its susceptibility. Catechol-O-methyltransferase (COMT) and sodium channel NaV1.7 (SCN9A) genes are implicated in pain perception.

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Background: Diabetic retinopathy (DR) risk has been shown to vary depending on ethnic backgrounds, and thus, it is worthy that underrepresented populations are analyzed for the potential identification of DR-associated genetic variants. We conducted a case-control study for the identification of DR-risk variants in Mexican population.

Methods: We ascertained 60 type 2 diabetes mellitus (T2DM) patients.

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The gene has a key role during cardiogenesis, and it has been related to epigenetic mechanisms in congenital heart disease (CHD). The purpose of this study was to assess the association between DNA methylation status and congenital septal defects. The DNA methylation of seven CpG sites in the gene promoter was analyzed through pyrosequencing as a quantitative method in 48 patients with congenital septal defects and 104 individuals with patent ductus arteriosus (PDA).

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Unlabelled: Varying reports exist on the clinical impact of erosive hand osteoarthritis (EHOA) in terms of pain and articular function. Few studies have assessed the association of a patient's clinical features with the presence of more severe radiographic disease. The aim was to evaluate clinical and radiographic characteristics in EHOA comparing with non-erosive (NEHOA); to examine pain and functional impairment between EHOA and NEHOA; and correlate functional impairment with clinical findings, pain, and radiographic severity.

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The gene regulates morphological changes during heart development, and it has been associated with epigenetic abnormalities observed in congenital heart defects (CHD). The aim of this research was to evaluate the association between DNA methylation levels of the gene promoter and congenital septal defects. DNA methylation levels of six CpG sites in the gene promoter were evaluated using pyrosequencing analysis in 35 patients with congenital septal defects and 48 controls.

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Background: The association of leptin () and vascular endothelial growth factor A () genes with the susceptibility to knee osteoarthritis (OA) has been analyzed; however, the epistasis between them has not been investigated.

Objective: The objective of the study was to analyze the association of and variants and their interaction with primary knee OA in a Mexican Mestizo population.

Methods: A case-control study was developed.

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Whole body vibration (WBV) has been suggested as improving skin and blood flow. This study aimed to determine the effect of exposure to WBV on levels of partial transcutaneous oxygen pressure (TcPO2) in the foot of patients with type 2 diabetes (T2D) within the metabolic control goals. A block randomized, open, two-arm, parallel and controlled clinical trial was conducted.

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Article Synopsis
  • This study investigates how specific gene variations (SNPs) affect the development of high triglyceride levels in HIV patients on antiretroviral therapy.
  • A total of 602 patients were genotyped, revealing strong associations between hypertriglyceridemia and certain SNPs (notably rs964184 in APOA5) as well as factors like age and type of medication.
  • The findings suggest that these genetic variations could play a significant role in the side effects experienced by HIV patients undergoing treatment with protease inhibitors.
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Muscular dystrophies are a group of well-defined genetic disorders characterized by the variable distribution of muscle wasting and progressive weakness. The diagnosis and treatment of these diseases remain challenging due to genetic heterogeneity and clinical overlapping. Herein, we describe our 10 years' experience with the diagnosis and management of muscular dystrophy patients.

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Unlabelled: Varying reports exist on the clinical impact of erosive hand osteoarthritis (EHOA) in terms of pain and articular function. Few studies have assessed the association of a patient's clinical features with the presence of more severe radiographic disease. The aim was to evaluate clinical and radiographic characteristics in EHOA comparing with non-erosive (NEHOA); to examine pain and functional impairment between EHOA and NEHOA; and correlate functional impairment with clinical findings, pain, and radiographic severity.

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MicroRNA-146a (miR-146a) is an inflammatory response regulator whose expression is deregulated in osteoarthritis (OA); variations in the miR-146a gene could affect OA risk. This study aimed to analyze the association between two functional variants of the miR-146a gene and primary knee OA in Mexican mestizo population. Methods and Results.

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Basic and clinical research have demonstrated that osteoprotegerin (OPG) plays an important role in the development and progression of cardiovascular diseases. The aim of this study was to evaluate the association of four polymorphic sites (rs2073618, rs3134069, rs3134070, and rs3102735) of gene with premature coronary artery disease (pCAD), and with cardiometabolic parameters. The polymorphisms were genotyped using 5' exonuclease TaqMan genotyping assays with real-time PCR in 1098 individuals with pCAD and 1041 healthy controls.

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Background: Biallelic variants in Anoctamin 5 (ANO5) gene are causative of limb-girdle muscular dystrophy (LGMD) R12 anoctamin5-related, non-dysferlin Miyoshi-like distal myopathy (MMD3), and asymptomatic hyperCKemia.

Objective: To describe clinic, histologic, genetic and imaging features, of ANO5 mutated patients.

Methods: Five patients, four from France (P1, P2, P3 and P4) and one from Mexico (P5), from four families were included.

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Introduction: Huntington´s disease (HD) is a neurodegenerative disorder characterized by neuropsychiatric, motor and cognitive manifestations. It is caused by expansion of the trinucleotide CAG on HTT. The molecular bases are not completely understood, DNA damage, such as double and single strand breaks and oxidative stress (OS) have been implicated.

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Article Synopsis
  • DNA methylation is an important epigenetic mechanism linked to the development of primary osteoarthritis (OA), but the specific relationship between DNA methyltransferases (DNMTs) gene polymorphisms and OA had not been explored before this study.
  • The research involved a matched case-control study of 244 subjects with definite radiographic knee OA, comparing them to matched controls without OA, using genotyping and statistical models to analyze DNMT polymorphisms.
  • Key findings revealed that certain genotypes of DNMT1 (rs2228611 and rs2228612) were associated with a reduced risk of OA, while a specific genotype of DNMT3B (rs2424913) was linked to an increased risk. *
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The aim of this study was to analyze the genetic association of five single nucleotide polymorphisms (SNPs) (rs3020331, rs851982, rs1999805, rs2234693, rs3020404), four SNPs (rs1800012, rs2075555, rs2412298, rs1107946), and two SNPs on the gene (rs9479055, rs4870044) with distal radius fracture (DRF) in a group of postmenopausal Mexican women. A case-control study was conducted. Cases ( = 182) were women above the age of 38 years with low-energy DRF, and controls ( = 201) were women without.

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Background: Primary Osteoarthritis (OA) of the knee is a multifactorial disease that has an important genetic component, and several genes have been associated with its development. The vitamin D receptor has a role in skeletal metabolism that suggests a relationship with OA. The aim of this study was to analyze the association of Vitamin D receptor gene (VDR) polymorphisms in Mexican Mestizo patients.

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Background: Adequate phonation is self-regulated by auditory feedback. Children with bilateral profound hearing loss (PHL) lack this feedback resulting in abnormal voice. Adequate hearing aid use and auditory-verbal therapy (AVT) may improve voice quality in deaf children.

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Article Synopsis
  • Osteoarthritis (OA) is the most common joint disease globally, with varying prevalence rates that depend on different factors, and this study is the first to report OA prevalence in Mexico.
  • A cross-sectional study in Mexico City involved 204 participants over 40 years old, using both clinical and radiological methods to evaluate OA.
  • The findings showed higher prevalence rates for hand, hip, and knee OA than previously reported in Mexico, highlighting the importance of using both clinical and radiological criteria for better assessment.
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Primary osteoarthritis (OA) is a complex entity in which several loci related to different molecular pathways or classes of molecules are associated with its development as demonstrated through genetic association studies. Genes involved in bone formation and mineralization, such as osteopontin (OPN) and Matrix Gla protein (MGP), could also be related with OA. The aim of this study was to evaluate the association between the genetic variants of OPN and MGP with primary knee osteoarthritis in a Mexican population.

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Purpose: Aberrant methylation of CpG islands in the promoter is a hallmark of cancer, leading to transcriptional silencing of tumor suppressor genes. The aim of this work was to evaluate the promoter methylation status of the DACT2 gene in breast cancer (BC) tissue and to analyze its possible effect on tumor type or grade.

Methods: CpG island from the DACT2 promoter in region -240 to -14 from transcriptional start site (TSS) were obtained.

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Background: Primary Osteoarthritis (OA) is a multifactorial disease in which genetic factors are strongly associated with its development; however, recently it has been observed that epigenetic modifications are also involved in the pathogenesis of OA. DNA methylation is related to gene silencing, and several studies have investigated its role in the of different pathways or molecules associated to OA.

Objective: This review is focused on the current status of DNA methylation studies related to OA pathogenesis.

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