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time-dependent mechanisms have implications for breathing maintenance over the course of many neuromuscular diseases.Culturing cells on bio-gels are believed to provide a more in vivo-like extracellular matrix. 3T3-L1 cells cultured on Matrigel® significantly alteregd their proliferation and differentiation as compared to growth on tissue culture-coated polystyrene surfaces. Growth on a 250-μm thick layer of Matrigel® facilitated the formation of cellular aggregates of 3T3-L1 cells. Differentiation of 3T3-L1 cells cultured on Matrigel® demonstrated increased levels of mRNA levels for key adipogenic transcription factors (PPARγ, C/EBPα, SREBP1), lipogenic markers (FAS, FABP4, LPL, PLIN1) and markers of adipocyte maturity (LEP), compared to cells cultured directly on a polystyrene tissue culture surface. The gene expression of extracellular matrix proteins (FN1, COL1A1, COL4A1, COL6, LAM) was decreased in 3T3-L1 cells cultured on Matrigel®. Furthermore, growth on Matrigel® increased lipid accumulation in 3T3-L1 cells in the presence and absence of rosiglitazone, a thiazolidinedione routinely used to optimize differentiation in these cells. These changes in adipocyte gene expression and lipid accumulation patterns may be a result of the increased cell-cell and cell-ECM interactions occurring on the Matrigel®, a scenario that is more reflective of an in vivo model. Taken together, our data advance the understanding of the value of culturing 3T3-L1 cells on Matrigel®.

To compare the safety, feasibility, and outcomes of clear corneal cataract surgery with or without sutures in children (2 to 8 years old) with congenital or developmental cataracts.

One hundred seventy consecutive eligible eyes with pediatric cataracts were randomized into treatment groups depending on closure of clear corneal incisions suture group and sutureless hydroclosure group (sutureless group). Patients were evaluated on days 1, 7, 30, and 90 postoperatively, with an emphasis on wound leakage from incisions and complications.

Wound leakage from any corneal incisions was not observed in both groups. Shallow anterior chamber on the first postoperative day was observed in 2 and 3 eyes in the suture and sutureless groups, respectively (

= .48). Hypotony was not observed in any patients. Intraocular pressure measurements were comparable on follow-up visits (

> .05). Mean cylindrical error was significantly greater (

= .03) in the suture group than the sutureless group (1.01 and 0.74 diopters, respectively) after 1 month. One patient developed endophthalmitis after suture removal in the suture group.

Sutureless hydroclosure of incisions is not inferior compared to suturing in pediatric cataracts. This avoids suture-related complications while reducing the astigmatic error and is thus potentially less amblyogenic. However, sutures must be used whenever the incision architecture is compromised.

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Sutureless hydroclosure of incisions is not inferior compared to suturing in pediatric cataracts. This avoids suture-related complications while reducing the astigmatic error and is thus potentially less amblyogenic. However, sutures must be used whenever the incision architecture is compromised. [J Pediatr Ophthalmol Strabismus. 2021;58(4)246-253.].

To investigate the effects of horizontal and oblique strabismus surgery on the corneal endothelial cell layer.

Eighty-three eyes of 56 patients were prospectively evaluated. Corneal endothelial cell layer analysis was performed with a specular microscopy device (EM-3000; Tomey Corporation) preoperatively and 1 day, 2 weeks, and 2 months postoperatively. Endothelial cell density, coefficient of variation, average cell area, standard deviation (SD) of the endothelial cell area, hexagonality, and central corneal thickness (CCT) were evaluated.

Endothelial cell density, average cell area, and SD of the endothelial cell area did not show a statistically significant change postoperatively. In the one and two horizontal muscle surgery groups, the hexagonality measurements 2 weeks postoperatively were significantly lower compared to preoperative values. In the one horizontal muscle surgery group and when all patients were examined, CCT 1 day postoperatively was significantly higher than 2 weeks postoperatively.].

To use the National Inpatient Sample (NIS) Database to describe trends in demographics, types, and incidence of pediatric open globe injuries in the United States.

A retrospective, cross-sectional, observational study was conducted of 8,943 acute cases of pediatric open globe injury (age < 21 years) obtained from the NIS Database, between 2002 and 2014. Selleckchem Eganelisib Weighted analysis was performed using IBM SPSS Statistics 25 software (IBM Corporation). Codes from the

,

were used to identify pediatric open globe injury cases.

In the United States, 8,943 pediatric cases of acute open globe injuries were identified between 2002 and 2014. Males comprised 78% of the acute pediatric open globe injury cases. Penetrating open globe injuries without intraocular foreign bodies (IOFBs) were the most common type of injury (

< .001). The proportion of injuries that were penetrating open globe injuries decreased with age, whereas the proportion of IOFBs and globe ruptures increased. The proportion of open globe injurance. [J Pediatr Ophthalmol Strabismus. 2021;58(4)232-239.].The rising prevalence of retinopathy of prematurity (ROP) in low- and middle-income countries has increased the need for screening at-risk infants. The purpose of this article was to review the impact of tele-medicine and technology on ROP screening programs. Adhering to Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines, a systematic review was performed using PubMed, Pro-Quest, and Google Scholar bibliographic search engine. Terms searched included retinopathy of prematurity, telemedicine, and tele-ophthalmology. Data regarding internet access and gross domestic product per capita were obtained from the World Bank. Information was also obtained about internet access, speeds, and costs in low-income countries. There has been increasing integration of telemedicine and technology for ROP screening and management. Low-income countries are using available internet options and information and communications technology for ROP screening, which can aid in addressing the unique challenges faced by low-income countries.