Publications by authors named "Kabbaj H"

Introduction Anti-tumor necrosis factor alpha (TNFα) therapies have revolutionized the management of Crohn's disease (CD). However, they increase the risk of viral reactivation, particularly hepatitis B virus (HBV). This study aims to define the HBV serological profiles of patients with CD who are candidates for biological therapy, identifying profiles at potential risk for reactivation or exacerbation following immunosuppressive treatment.

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  • Enterovirus infections can impact the central nervous system, causing conditions like meningitis and encephalitis, and this study aimed to detail these infections for Moroccan patients.
  • Conducted from January 2021 to March 2023 at Ibn Sina University Hospital, the study analyzed 1,479 cerebrospinal fluid samples, finding enterovirus in just 19 patients, mostly young children and males.
  • Common symptoms included fever and headache, and while many cases showed lymphocytic patterns in CSF analysis, some results could mimic bacterial infections, highlighting the importance of using multiplex PCR for accurate diagnosis.
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  • * A 45-year-old man exhibited symptoms including testicular swelling, fever, and weight loss, leading to the diagnosis of advanced testicular NK/T-cell lymphoma after surgery and tests.
  • * Following treatment with SMILE chemotherapy, the patient achieved complete remission, highlighting the critical role of monitoring EBV DNA levels in understanding the disease and managing patient outcomes.
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Introduction: Cyclical pertussis epidemics primarily affect young infants. This study aims to estimate pertussis prevalence during the ongoing 2023 outbreak at our institution, focusing on affected age groups and clinical presentations.

Materiel And Methods: This retrospective study includes patients admitted to Rabat University Hospital Center from 1st January 2021 to 30th June 2023.

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  • A nested association mapping (NAM) panel involving the Moroccan variety 'Nachit' was developed and tested across multiple environments, revealing an average yield loss of 41% due to drought, with 1,000-kernel weight being the key trait for adaptation.
  • The study identified 18 stable quantitative trait loci (QTLs) that help in drought adaptation, and specific alleles linked to increased kernel weight were validated, showing potential for future molecular breeding efforts.
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The global production of durum wheat (Triticum durum Desf.) is hindered by a constant rise in the frequency of severe heat stress events. To identify heat-tolerant germplasm, three different germplasm panels ("discovery," "investigation," and "validation") were studied under a range of heat-stressed conditions.

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Respiratory viruses are the most involved pathogens in acute respiratory infections. During the COVID-19 pandemic, new elements have been brought to this topic, especially at the diagnostic and therapeutic level. The objective of this work is to describe the epidemiology of respiratory viruses in patients admitted to the Ibn Sina University Hospital of Rabat during a period characterized by the emergence and spread of SARS-CoV-2.

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Objectives: The aim of the present research is to update data on the seroprevalence of rubella and to identify the associated risk factors among pregnant women in the Rabat region of Morocco in order to take immediate action to monitor the virus.

Design: A cross-sectional study.

Setting: The study was conducted at Ibn Sina University Hospital and at referral healthcare centres in the region of Rabat.

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SARS-CoV-2 is a major public health problem worldwide. Since its emergence, several diagnostic kits have been developed to ensure rapid patient management. The aim of our study is to check the performance of the new Moroccan SARS-CoV-2 detection kit: MAScIR SARS-CoV-2 M 2.

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Background: RT-PCR is the gold standard for COVID-19 diagnosis, but the lack of standardization of assays, whose diagnostic performance may widely vary, complicates the interpretation of the discrepancies that may be encountered. . We conducted a retrospective study over a ten-month period at the Central Laboratory of Virology of Ibn Sina University Hospital of Rabat.

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Here, we report the near-complete genome sequence and genetic variations of a clinical sample of SARS-CoV-2 for the newly emerged Omicron variant (BA.1). The sample was collected from a nasopharyngeal swab of a Moroccan patient, and the sequencing was done using Ion S5 technology.

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Introduction: Viral hepatitis B is a global scourge affecting millions of people worldwide. In Morocco, hepatitis B is considered a public health problem, and available data converge to consider Morocco as a country with intermediate endemicity. In the present study, we have planned to evaluate the HBV prevalence in Morocco on a large scale and to assess the prevalence of different serological markers for better management of this infection in Morocco.

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Here, we report the near-complete genome sequence and the genetic variations of a clinical sample of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) harboring the N501Y mutation assigned to the B.1.1.

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Flowering time is a critical stage for crop development as it regulates the ability of plants to adapt to an environment. To understand the genetic control of flowering time, a genome-wide association study (GWAS) was conducted to identify the genomic regions associated with the control of this trait in durum wheat ( Desf.).

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Durum wheat is an important crop for the human diet and its consumption is gaining popularity. In order to ensure that durum wheat production maintains the pace with the increase in demand, it is necessary to raise productivity by approximately 1.5% per year.

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Primary infection or reactivation of cytomegalovirus (CMV) can induce in immunocompromised patients a severe disease depending on the type of immuno-suppression, and can affect multiple organs. On the other hand, the infection is benign and mostly asymptomatic in immunocompetent individuals who do not require antiviral treatment. Rare cases of primary infection have been documented.

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The early detection and genotyping of the hepatitis C virus (HCV) are important in the management of this infection. The genotype is the major factor influencing treatment decisions. That's why it is necessary to use fast and accurate methods in its determination.

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West Nile virus-associated disease is one of the most widespread vector-borne diseases in the world. In Morocco, the first cases were reported in horses in 1996 and the disease re-emerged in 2003 and in 2010. The objective of this work was to study the epidemiological situation of WNV-associated infection in Morocco, by quantifying the seroprevalence of anti-WNV IgM and IgG antibodies in horses in different bioclimatic regions-zones of Morocco in 2011.

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Durum wheat is the 10th most important crop in the world, and its use traces back to the origin of agriculture. Unfortunately, in the last century only part of the genetic diversity available for this species has been captured in modern varieties through breeding. Here, the population structure and genetic diversity shared among elites and landraces collected from 32 countries was investigated.

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Tumors of chest wall represent a variant entity. Most of them arise from metastasis of malignant tumors or from local invasion by contiguity. However, non-Hodgkin's lymphomas of the chest wall are extremely rare; only a few cases have been reported in the literature.

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Isolation of bacteria involved in eye infections and their susceptibility pattern to various antibiotics in vitro eye were studied. Different ocular samples were obtained from 354 patients hospitalized in ophthalmology unit. The samples were inoculated directly onto appropriate culture media.

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The SHANK3 protein is a scaffold protein known to stabilize metabotropic glutamate receptor mGluR5 in the post-synaptic membrane of neurons. It is associated with genetic vulnerability in autism and schizophrenia. Here we report the case of an 18 year-old male patient who displayed psychiatric features of bipolar affective disorder associated with early setting of dementia.

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