Publications by authors named "Guelguen Tahan"

Biliary sepsis, characterized by contamination and infection of the biliary tract, poses a serious medical issue with detrimental effects on the patients. While cholecystectomy is the usual treatment for symptomatic gallstones, the most desirable management approach for biliary sepsis remains debated, prompting a scientific evaluation of the long-term effects of cholecystectomy. To compare the long-term outcomes of biliary sepsis in patients undergoing cholecystectomy versus conservative management (CM), this study will systematically review the existing literature to clarify differences in recurrence rates, complication rates, and overall survival.

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Mesoporous silica are widely utilised as drug carriers due to their large pore volume and surface area, which facilitate effective loading. Additionally, they can be used to enhance drugs stability and protect against enzymatic degradation due to their silica framework. However, without the addition of a capping material, the loaded cargo may be prematurely released before reaching the target site.

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Background: The many educational pathways to obtain a professional nursing degree create confusion among healthcare leaders about new graduate nurses' (NGNs) competency expectations when entering practice.

Purpose: This research sought to identify, among Maryland nursing academic and practice leaders, a standard set of NGN competencies after completing their prelicensure program and nurse residency program (NRP) at 12 months.

Method: A mixed-method approach was used, including a survey of 109 outcome statements and faculty and practice leader focus groups.

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Mitochondria, known as the cell's powerhouse, play a critical role in energy production, cellular maintenance, and stemness regulation in non-cancerous cells. Despite their importance, using drug delivery systems to target the mitochondria presents significant challenges due to several barriers, including cellular uptake limitations, enzymatic degradation, and the mitochondrial membranes themselves. Additionally, barriers in the organs to be targetted, along with extracellular barriers formed by physiological processes such as the reticuloendothelial system, contribute to the rapid elimination of nanoparticles designed for mitochondrial-based drug delivery.

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Article Synopsis
  • - Liposomes are gaining attention in translational medicine as effective and biocompatible drug delivery systems that minimize toxicity while ensuring efficient therapeutic effects.
  • - Targeting mitochondria is crucial for drug delivery since they play key roles in cell signaling, calcium balance, and energy production, yet practical applications for this approach are still being developed.
  • - The review highlights recent advancements in designing and characterizing mitochondrial-targeted liposomes, emphasizing the need for interdisciplinary collaboration to improve their clinical use.
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Background: Colloid bodies (CB), also known as Civatte bodies, are commonly seen in inflammatory dermatoses and are thought to represent cell degeneration. No studies have investigated the incidence and clinical associations of CB in cutaneous basal cell carcinoma (BCC). The aim of this study is to assess the incidence of CB in BCC lesions and analyze their clinical associations.

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Bone tissue is constantly regenerated and repaired through a finely balanced process known as bone remodeling. Many miRNAs act as regulators of the signaling pathways involved in bone metabolic processes to maintain tissue homeostasis. This study aimed to assess the circulating levels of MIR21, MIR34a, and MIR155 in human serum and their bone expression, and the expression of bone turnover-related genes which can reflect the bone quality.

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In the last two decades, next-generation sequencing (NGS) has facilitated enormous progress in cancer medicine, in both diagnosis and treatment. However, the usefulness of NGS in older cancer patients is unclear. To determine the role of NGS in older cancer patients, we retrospectively assessed demographic, clinicopathologic, and disease-specific data from 100 randomly selected cancer patients (any subtype/stage) who underwent NGS testing in 2020 at our institution and compared the treatment outcomes (progression-free survival [PFS] and overall survival [OS]) in the younger and older patient cohorts (A [n = 34] and B [n = 66]: age < 70 and ≥70 years, respectively).

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Spray drying is one of the leading manufacturing methods for active pharmaceutical ingredients (APIs) owing to its rapid, single-step, and cost-effective nature. It also has the capacity to generate microspheres capable of controlled release of APIs including biomolecules and vaccines. However, one of the key challenges of spray-dried formulations especially with poly(lactic--glycolic acid) (PLGA)-based controlled-release injectables is burst release, where a significant fraction of the API is released prematurely within a short period of time following administration, leading to detrimental impact on the performance and quality of end products.

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Oral administration of protein-based therapeutics is highly desirable due to lower cost, enhanced patient compliance, and convenience. However, the harsh pH environment of the gastrointestinal tract poses significant challenges. Silica-based carriers have emerged as potential candidates for the delivery of protein molecules, owing to their tuneable surface area and pore volume.

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Background: The Islamic Republic of Iran has been under sanctions since 1979. These sanctions were further reinforced between the years 2005 and 2012. This study utilizes available data from Iran post-sanctions to review the impact of economic sanctions on both the mental health and the quality of life of Iranian citizens.

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Aim: To inform the development of statewide core competencies for new graduate nurses at the beginning of their professional career and after completing a 12-month nurse residency program.

Background: Although studies have attempted to clarify the expected core competencies of new graduate nurses at the beginning of their professional career, results are mixed. Additionally, nurse residency program competency expectations vary.

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This study investigates the differential responses of two maize genotypes, SC180 and SC168, to salt stress, aiming to elucidate the mechanisms underlying salinity tolerance and identify traits associated with improved stress resilience. Salinity stress, imposed by 150 mM NaCl, adversely affected various growth parameters in both genotypes. SC180 exhibited a more pronounced reduction in shoot length (13.

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Monitored random circuits, consisting of alternating layers of entangling two-qubit gates and projective single-qubit measurements applied to some fraction p of the qubits, have been a topic of recent interest. In particular, the resulting steady state exhibits a phase transition from highly correlated states with "volume-law" entanglement at pp_{c}. It is hard to access this transition experimentally, as it cannot be seen at the ensemble level.

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Pancreatic cancer is the third leading cause of cancer death in the United States, and while conventional chemotherapy remains the standard treatment, responses are poor. Safe and alternative therapeutic strategies are urgently needed . A ketogenic diet has been shown to have anti-tumor effects across diverse cancer types but will unlikely have a significant effect alone.

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The current study was designed to assess the impact of L-carnitine (LC) supplementation in the drinking water of growing Alexandria-line rabbits on performance and physiological parameters. Two hundred eighty-eight 35-day-old rabbits were divided into four groups of twenty-four replicates each (seventy-two rabbits/treatment). The treatment groups were a control group without LC and three groups receiving 0.

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Objective: The purpose of this study was to investigate the cultural adaptation and validation of the Children's Knowledge of Abuse Questionnaire (CKAQ-RIII). This tool, which is used in Iranian primary schools, examines children's understanding of the concepts of sexual abuse.

Materials And Methods: A sample of 80 primary school children between 8 and 12 years of age was selected from schools in Iran.

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Rice (Oryza sativa L.) is an essential food for half of the global population and is vital in maintaining global food security. Climate change, increasing population and recent incident of COVID pandemic has generated financial burden and threaten the global food security.

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This study investigated how sucralose influenced rabbit intestine and caecal microbial activity, blood parameters, growth performance, carcass characteristics, and digestibility. In total, 160 5-week-old rabbits from the APRI line weighing 563.29 gm were randomly assigned to four experimental groups with four replicates-5 males and 5 females in each.

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Background And Objective: Care for family members is a significant characteristic of families in South Asia. A family is one unit, and every other member is emotionally connected and expected to take care of each other. However, the provision of care to a family member with mental illness can be physically as well as emotionally exhausting and distressing for the Family Caregiver.

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Wheat is one of the most important cereal crops in Egypt and all over the world. Its productivity is adversely affected by drought due to deficient irrigation to provide nutrients required for plant growth. In a field experiment, silicon foliar applications at concentrations of 0, 200, and 400 mg L were performed at different irrigation rates ranging from 1000 to 4000 m ha to assess water irrigation productivity and wheat crop yield in a calcareous soil under arid climate conditions.

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