Leber congenital amaurosis: A clinical and genetic study from a tertiary eye care center.

Purpose: To assess the clinical phenotypes and genetic mutations in patients with Leber congenital amaurosis (LCA) from a tertiary eye care center in India.

Design: Retrospective observational study.

Methods: The study includes patients with a clinical diagnosis of LCA who underwent genetic testing from January 2016 to December 2021.

Expanded tumor-associated polymorphonuclear myeloid-derived suppressor cells in Waldenstrom macroglobulinemia display immune suppressive activity.

The role of the bone marrow (BM) microenvironment in regulating the antitumor immune response in Waldenstrom macroglobulinemia (WM) remains poorly understood. Here we transcriptionally and phenotypically profiled non-malignant (CD19 CD138) BM cells from WM patients with a focus on myeloid derived suppressive cells (MDSCs) to provide a deeper understanding of their role in WM. We found that HLA-DRCD11bCD33 MDSCs were significantly increased in WM patients as compared to normal controls, with an expansion of predominantly polymorphonuclear (PMN)-MDSCs.

Can simultaneous coronary and peripheral angiography alter the treatment planning in Fontaine stage IV peripheral arterial disease?

Objectives: Peripheral arterial disease (PAD) and coronary artery disease (CAD) are major contributors to global morbidity and mortality. Many PAD patients remain asymptomatic for CAD, which often leads to undetected coronary artery involvement. This hidden coronary disease poses significant risks, particularly following peripheral revascularization, as increased cardiac demand can precipitate complications.

5-Fluorouracil Effectively Depletes Tumor Induced Myeloid Derived Suppressor Cells in 4T1 Mammary Carcinoma Model.

Background: Myeloid Derived Suppressor Cells (MDSCs) are capable of inhibiting both innate and adaptive immune responses and accumulate in the microenvironment of breast tumors. Hence, MDSC depletion by chemotherapeutic agents can improve clinical efficacy of cancer immunotherapy. The effects of 5-FU and doxorubicin agents on MDSC reduction in 4T1 breast cancer murine model were evaluated.

Association of insulin resistance surrogate indices and erectile dysfunction: a systematic review and meta-analysis.

Background: Erectile dysfunction (ED) has been linked to insulin resistance (IR), with various surrogate indices being used to assess this association. This systematic review and meta-analysis aimed to evaluate the relationship between IR indices and the incidence and severity of ED.

Methods: A comprehensive search across PubMed, Embase, Web of Science, and Scopus was carried out.

Clinical Presentation and Treatment Outcomes of Adult-Onset Coats Disease.

To study the clinical profile, treatment, and outcomes of patients 35 years or older diagnosed with Coats disease. A cross-sectional observational hospital-based study was performed. The study included 74 eyes diagnosed with adult-onset Coats disease.

Bilateral Anti-VEGF on Same-Day-Investigation on Safety in Retinopathy of Prematurity: A Multicenter Retrospective Study.

Purpose: To report an incidence of procedure-related complications in preterm infants with retinopathy of prematurity (ROP) treated with intravitreal anti-VEGFs injection in both eyes on the same day.

Design: Retrospective, multicenter case series.

Subjects: Preterm infants with ROP treated with anti-VEGF bilaterally on the same day.

Management of Recurrent Vancomycin-resistant Bacteremia With Oritavancin: A Case Report.

Background/aim: Vancomycin-resistant Enterococcus causes significant morbidity, mortality, and excess healthcare costs when compared to vancomycin-susceptible isolates. Patients with hematological malignancies, especially those who undergo hematopoietic stem cell transplantation, are at a particularly high risk for infections with vancomycin-resistant Enterococcus, with mortality ranging from 40-100%. Linezolid and daptomycin are the two most commonly used antibiotics for treatment of vancomycin-resistant enterococcal infections, however, there has been recent emergence of resistance to these drugs as well.

The association between dietary patterns and cardiovascular disease risk factors in Iranian adults: a cross-sectional study.

Background: Dietary patterns are important factors associated with cardiovascular diseases (CVDs). We examined the association between dietary patterns derived from factor analysis and CVD risk factors.

Methods: In the present cross-sectional study, a total of 3,687 adults (aged 40 to 70 years) with one or more types of CVDs were enrolled as participants.

Widefield Retinal Imaging in Gyrate Atrophy: Correlation of Structural, Biochemical, and Functional Characteristics.

Objective: To profile a cohort of gyrate atrophy patients classified by widefield retinal imaging and correlate the structural, biochemical, and functional characteristics.

Design: Retrospective observational cohort study.

Participants: Sixty-five patients (129 eyes) with gyrate atrophy.

Bardet-Biedl syndrome with chorioretinal coloboma: a case series and review of literature.

Introduction: Bardet-Biedl Syndrome (BBS) is a ciliopathy causing developmental defects and progressive retinal dystrophy, whereas choroidal coloboma is a developmental defect causing structural deficiency in the posterior retina. Both are rarely reported together.

Methods: Here, we describe the phenotype and genotype of three unrelated patients with co-occurrence of Bardet-Biedl Syndrome and chorioretinal coloboma and review the pertinent literature.

Functional properties and safety traits of L. rhamnosus and L. reuteri postbiotic extracts.

Postbiotics are the non-viable bacterial products or the low molecular weight metabolites produced by probiotics that have received considerable attention owing to their health promoting effects. The present study aimed to investigate the safety and antibacterial properties of postbiotic components of Lacticaseibacillus rhamnosus (Lra) and Limosilactobacillus reuteri (Lre) for their potential applications in food products. The freeze dried postbiotic metabolites (FD-P) from Lra and Lre were extensively analyzed for their physico-chemical properties and antibacterial actions against common food borne pathogens.

VSIG-3/IGSF11 silencing in A2058 melanoma cells simultaneously suppresses melanoma progression and induces anti-tumoral cytokine profile in human T cells: In silico and in vitro study.

VISTA is a newly discovered immune checkpoint whose functional mechanisms have become increasingly important to study due to its brilliant results in cancer immunotherapy. Despite VSIG-3/IGSF11 being identified as an inhibitory ligand for VISTA with potential as a target for cancer immunotherapy, very little is known of its functions. This study aimed to conduct a detailed analysis of VSIG-3/IGSF11 in melanoma, as well as to study the effects of its silencing on melanoma cell line progression and human T cell functions.

Humoral and cellular immune responses in vaccinated and unvaccinated children following SARS-CoV-2 Omicron infection.

Objectives: The immune response in children elicited by SARS-CoV-2 Omicron infection alone or in combination with COVID-19 vaccination (hybrid immunity) is poorly understood. We examined the humoral and cellular immune response following SARS-CoV-2 Omicron infection in unvaccinated children and children who were previously vaccinated with COVID-19 mRNA vaccine.

Methods: Participants were recruited as part of a household cohort study conducted during the Omicron predominant wave (Jan to July 2022) in Victoria, Australia.

Carbohydrates and neurotrophic factors: A promising partnership for spinal cord injury rehabilitation.

Spinal cord injury (SCI) leaves a temporary or enduring motor, sensory, and autonomic function loss, significantly impacting the patient's quality of life. Given their biocompatibility, bioactivity, and tunable attributes, three-dimensional scaffolds frequently employ carbohydrates to facilitate spinal cord regeneration. These scaffolds have also been engineered to be novel local delivery platforms that present distinct advantages in the targeted transportation of drug candidates to the damaged spinal cord, ensuring the right dosage and duration of administration.

Exploring Bio-Based Polyurethane Adhesives for Eco-Friendly Structural Applications: An Experimental and Numerical Study.

In response to heightened environmental awareness, various industries, including the civil and automotive sector, are contemplating a shift towards the utilization of more sustainable materials. For adhesive bonding, this necessitates the exploration of materials derived from renewable sources, commonly denoted as bio-adhesives. This study focuses on a bio-adhesive L-joint, which is a commonly employed configuration in the automotive sector for creating bonded structural components with significant bending stiffness.

Determining the optimal level and the effect of different zinc sources on performance, egg quality and the immune system of laying hens at the end of the production period.

Background: Trace elements, such as zinc, magnesium and copper, are essential for improving the performance and health of broiler breeders and the development of chicken embryos. These elements are integral to various proteins involved in metabolism, hormone secretion and the immune system, necessitating their inclusion in small amounts in poultry diets.

Objectives: This study aimed to determine the optimal level and effect of different zinc sources on performance, egg quality and the immune system of laying hens at the end of the production period.

Bedside bilateral sequential intravitreal anti-VEGF injections for retinopathy of prematurity.

Purpose: To evaluate the outcome and ocular adverse events of bedside bilateral sequential intravitreal anti-vascular endothelial growth factor injections for retinopathy of prematurity (ROP) (BBSIR).

Methods: This retrospective interventional study included infants who received BBSIR with a follow-up of at least 1 month. Clinical history, intravitreal injection details, indications, intraoperative and postoperative ocular adverse events, and outcomes were analyzed.

Evaluation of mechanisms involved in regulation of intrinsic excitability by extracellular calcium in CA1 pyramidal neurons of rat.

It is well recognized that changes in the extracellular concentration of calcium ions influence the excitability of neurons, yet what mechanism(s) mediate these effects is still a matter of debate. Using patch-clamp recordings from rat hippocampal CA1 pyramidal neurons, we examined the contribution of G-proteins and intracellular calcium-dependent signaling mechanisms to changes in intrinsic excitability evoked by altering the extracellular calcium concentration from physiological (1.2 mM) to a commonly used experimental (2 mM) level.