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Open Access

ISSN 2577-5790

© 2019 by the authors; CC BY 4.0 licence

OBM Genetics , Volume 3 , Issue 3 (2019)

Pages: 163

Published: October 2019

(This book is a printed edition that was published in OBM Genetics)

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Cover story: Pneumocystis have coevolved with their mammalian hosts for millions of years. As a result, there are clear evidences of positive selection in the genes coding for major surface glycoproteins (MSG) in Pneumocystis. Here we question whether there are evidences of positive selection in the genes coding for the biosynthesis of GPI which is the molecule used by Pneumocystis to target MSG to the cell membrane. View this paper.

Volume 3,Issue 3

Open Access Short Report

Thalassemia Intermedia Caused by a Combination of a Globin Gene Triplication with Heterozygosity for β0 Thalassemia: A Case Report

Received: 19 May 2019;  Published: 17 September 2019;  doi: 10.21926/obm.genet.1903095

Abstract

Thalassemia syndromes are a group of hemoglobinopathies characterized by gene defects that disrupt normal hemoglobin production. Thalassemia intermedia (TI) is referred to as a group of disorders with a less severe form of the disease compared to thalassemia major. We present a case of a 60-year-old woman who was referred to a hematologist for chronic anemia and splenomegaly.

Open Access Editorial

Introduction to Genetic Screening

Received: 06 September 2019;  Published: 11 September 2019;  doi: 10.21926/obm.genet.1903094

Abstract

We present here the content and articles of this special issue on genetic screening, putting them in perspective with the field and between themselves.

Open Access Review

Newborn Screening for Genetic Diseases: An Overview of Current and Future Applications

Received: 01 July 2019;  Published: 06 September 2019;  doi: 10.21926/obm.genet.1903093

Abstract

Newborn screening (NBS) for inborn errors of metabolism (IEM) was introduced more than 50 years ago with the testing of phenylketonuria (PKU) using blood spots deposited on a filter paper after heel prick. NBS aims to identify early after birth inherited disorders for which clinical management and pre-symptomatic treatment will significantly decrease morbidity and mortality. While NBS for a few other disorders was implemented in some specific jurisdictions over the following decades, it is with [...]

Open Access Communication

Upregulation of COX-2 in MCF7 Breast Cancer Cells When Exposed to Shear Stress

Received: 17 June 2019;  Published: 06 September 2019;  doi: 10.21926/obm.genet.1903092

Abstract

Background: Invasive breast cancer affects 1 in 8 women in the United States and causes one of the highest cancer mortality rates for women. Cyclooxygenase-2 (COX-2), a central enzyme in prostaglandin biosynthesis, is implicated in breast cancer initiation, progression, invasion, and metastasis, and has been linked to the mechanotransduction of breast cancers. However, it is not currently known if shear stress mediated mechanotransduction is [...]

Open Access Original Research

Deletion of Subtelomeric Regions in the Linear Chromosome of Variants Isolated from Streptomyces avermitilis NBRC 14893T

Received: 19 April 2019;  Published: 23 August 2019;  doi: 10.21926/obm.genet.1903091

Abstract

Background: Streptomyces avermitilis is an actinomycete that produces avermectins. The complete genome sequence of S. avermitilis K139 was determined in 2003. In our previous study, we revealed that S. avermitilis NBRC 14893T harbors two extra secondary metabolite-biosynthetic gene clusters (smBGCs), com a [...]

Open Access Research Article

BSA-Embedded Carbonate Apatite Enhances Chemotherapeutic Effect of Paclitaxel in vitro and in vivo

Received: 29 March 2019;  Published: 15 August 2019;  doi: 10.21926/obm.genet.1903090

Abstract

Introduction of biocompatible ingredients into nano-material formulations has been studied as a strategy for the enhancement of the pharmacokinetics as well as pharmacodynamics of the final product. With the aim of enhancing drug loading and the ultimate efficacy, incorporation of Bovine Serum Albumin (BSA) into carbonate apatite (CA) nanoparticles structure was employed in the present study. As a result of BSA embedding in the CA formulation, approximately three-times higher loading efficiency [...]

Open Access Review

Diagnosis and Treatment of Mitochondrial Abnormalities in Reproductive Medicine

Received: 08 April 2019;  Published: 14 August 2019;  doi: 10.21926/obm.genet.1903089

Abstract

Mitochondrial diseases are among the most prevalent inborn errors of metabolism. The overwhelming majority of mitochondrial diseases (about 85%) result from mutations in nuclear genes involved in oxidative phosphorylation, while some (15%) are caused by mutations in mitochondrial DNA (MtDNA). The familial mtDNA mutations are exclusively inherited from the mother. There are four main methods available to prevent the transmission of mtDNA mutations: preimplantation genetic diagnosis (PGD) or prena [...]

Open Access Review

Next-Generation Sequencing-Based Testing in Diagnostic Oncohematology: Untangling the Knots

Received: 01 April 2019;  Published: 09 August 2019;  doi: 10.21926/obm.genet.1903088

Abstract

With the advent of next-generation sequencing (NGS), genomic profiling of tumors has been gradually introduced into the clinical setting and has become a standard in cancer care. NGS allows convenient, rapid, and inexpensive sequencing and the commercially available NGS panels enable the detection of single or global genomic alterations of germline and somatic origin. Today, genomic mutation profiling using NGS is indispensable for disease evaluation and prediction of prognosis or responsiveness [...]

Open Access Research Article

Family History, Genetic, and Other Cause-Related Beliefs among Breast Cancer Survivors

Received: 27 February 2019;  Published: 26 July 2019;  doi: 10.21926/obm.genet.1903087

Abstract

Patients’ lay theories about the cause of their cancer may influence patient behavior and adjustment, they have also been found to differ substantially from scientific evidence of cancer risk factors. This report describes beliefs about genetic causes of breast cancer, among 522 recently diagnosed breast cancer survivors participating in an observational study. Patients were asked to respond to an open-ended question about the cause of their cancer. Causes mentioned included family his [...]

Open Access Original Research

The Evolution of DNA Typing in Agri-Food Chain

Received: 11 June 2019;  Published: 23 July 2019;  doi: 10.21926/obm.genet.1903086

Abstract

Background: DNA typing has revolutionized not only diagnostics and forensics but also how we can analyze food. A number of techniques have been successfully applied for DNA analysis of plant-derived food. However, unlike forensics, a universally employed method has not yet emerged. Methods: A keyword-based search was performed using the ISI-Web of Science database to look for research arti [...]

Open Access Case Report

Constitutional Partial Proximal Trisomy 14q11.2 to 14q21: Two New Moroccan Cases and Review of the Literature

Received: 25 July 2018;  Published: 22 July 2019;  doi: 10.21926/obm.genet.1903085

Abstract

Background: A report of two new Moroccan cases with polymalformative syndrome, in which we identified similar but not identical sSMCs derived from chromosome 14. Methods: Conventional karyotype and MULTI-FISH. Results: +del(14)(q21.1) in the first case and +del(14)(q21.2) in the second. Conclusions

Open Access Review

Preimplantation Genetic Testing for HLA-matching: An Overview of Clinical Application and Utility

Received: 03 June 2019;  Published: 22 July 2019;  doi: 10.21926/obm.genet.1903084

Abstract

Preimplantation Genetic Testing for HLA-matching (PGT-HLA) has been one of the most controversial PGT applications, first reported in 2001. The procedure aims to identify an embryo that is not only healthy but also HLA-matched with a sibling in the family in need of haematopoietic stem cell transplantation (HSCT), considering that sibling HSCT stands the highest chance of success in comparison to alternative approaches. HLA-typing can be performed with or without PGT-M for the exclusion of a sin [...]

Open Access Original Research

Genes Coding for GPI Biosynthesis in Pneumocystis Experienced Relaxed Selection: A Follow-up Study

Received: 05 May 2019;  Published: 11 July 2019;  doi: 10.21926/obm.genet.1903083

Abstract

Background: Phylogenetic analysis shows that Pneumocystis have coevolved with their mammalian hosts for millions of years. As a result, infection by Pneumocystis is species specific (i.e. a given Pneumocystis species can infect only a single species of host). This specificity suggests the existence of a Red-Queen dynamic between Pneumocystis&l [...]
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