Articles

Therapies using autologous serum and platelet lysate have shown promise among blood and biological products in the treatment of various diseases. The autologous serum has been shown to be a superior alternative to traditional eye drops in treating eye diseases in ophthalmology. Platelet lysate (PL) has recently been considered a more interesting alternative for the treatment of multiple tissues, as it does not have the unfavorable reactions seen with traditional platelet-rich plasma (PRP), making it a valuable blood derivative for use in ocular therapy. There is no definitive comparison in veterinary medicine between PL and autologous serum in terms of the content of Transforming Growth Factor beta 1 (TGF-1), which is known to have chemotactic, mitogenic, matrix formation, and angiogenesis effects on tissues, and beneficial proteins in ocular tissue. This study aimed to estimate the concentrations of TGF-1, total protein, and albumin, as well as autologous serum and platelet lysate, in horses over an 8-day storage period at temperatures of 4 °C and 37 °C.To produce autologous serum, 63 ml of blood was collected from each animal in seven 9 ml tubes without anticoagulant. For platelet lysate, 180 ml of blood was collected in 50 tubes of 3.6 ml with 3.2% sodium citrate. The most significant findings were the positive relationship between the baseline platelet count in the blood and the final platelet concentration in PRP. Specifically, we found a correlation (R = 0.9) with a p - value of 0.005 between the average baseline platelet level of seven animals and their corresponding PRP results, both on an individual level and as a group. Additionally, there was a correlation between growth factor concentration and PRP platelets, with the highest growth factor concentration in PL. The temperature storage group exhibited higher concentrations of total protein and serum albumin, as well as the maximum amount of growth factor for both products at a temperature of 37 °C.

The COVID-19 Pandemic, which began in March 2020, and its associated surges, had an immense impact on our medical staff and their ability to perform their daily duties.The COVID-19 Pandemic necessitated hospital modifications, including the expansion of the Emergency Department, ICU, and Isolation units. The overwhelmed staff and overburdened ER and ICU required adjustments to deal with the Inpatient impasse. For example, temporary patient care rooms needed to be set up for the overflow of patients. The tsunami of the Pandemic almost overwhelmed our hospital.With the challenges presented to our hospital during the Pandemic, we needed a fresh perspective to our multi-disciplinary approach. Thus, we fathomed that the use and cost-effectiveness of both Dalbavancin, a long-acting lipoglycopeptide antibiotic combined with the diagnostic Moleculight Imaging Device would be a sound decision.We hypothesized that with the use of this cost-effective antibiotic in conjunction with the use of the Moleculight Imaging Device, with its fluorescent imaging, we could detect the presence of bacteria and assist our wound treatment and decision-making.A shift in patients from the Emergency Room/Inpatient Department to the Outpatient Department/Wound Care Center was made possible with the use of these two novel products.

Gliomas are known to be one of the most grievous malignant central nervous system (CNS) tumors and have a high mortality rate with a low survival rate severe disability and increase risk of recurrence. Aim of his study is to determine the diagnostic accuracy of apparent diffusion coefficient (ADC) in differentiating low-grade and high-grade gliomas, taking histopathology as the gold standard. It is a Cross-sectional validation study conducted at the Armed Forces Institute of Radiology and Imaging, (AFIRI) Rawalpindi, Pakistan from 28th February 2022 to 27th August 2022.Materials and methods: A total of 215 patients with focal brain lesions of age 25-65 years of either gender were included. Patients with a cardiac pacemaker, breastfeeding females, de-myelinating lesions and malignant infiltrates, and renal failure were excluded. Then diffusion-weighted magnetic resonance imaging was performed on each patient by using a 1.5 Tesla MR system. The area of greatest diffusion restriction (lowest ADC) within the solid tumor component was identified while avoiding areas of peritumoral edema. Results of ADC were interpreted by a consultant radiologist (at least 5 years of post-fellowship experience) for high or low-grade glioma. After this, each patient has undergone a biopsy in the concerned ward, and histopathology results were compared with ADC findings. Results: Overall sensitivity, specificity, positive predictive value, negative predictive value, and diagnostic accuracy of apparent diffusion coefficient (ADC) in differentiating low- and high-grade gliomas, taking histopathology as the gold standard was 93.65%, 87.64%, 91.47%, 90.70% and 91.16% respectively. Conclusion: This study concluded that apparent diffusion coefficient (ADC) is the non-invasive modality of choice with high diagnostic accuracy in differentiating low- and high-grade gliomas.

In engineering, all moving rotating objects exhibit gyroscopic effects resulting from the action of an external torque on a rotating object. Gyroscopic effects are the action of a set of inertial moments and movements of an object around three axes of a three-dimensional Cartesian coordinate system. Moments of inertia are created by centrifugal and Coriolis forces, as well as the moment of change in angular momentum, which is expressed by their kinetic energy. The values of the moments of inertia directly depend on the speed of rotation of the object and its rotation around the axes. A short-term effect of an external load on a running gyroscope with displaced support can be manifested by its oscillations. The physics of gyroscope oscillations is not well explained in publications. This article describes the oscillations of a gyroscope by the action of the external torque which is its potential energy converting into kinetic energy of the inertial torques of the gyroscope. The conversion is carried out by the principle of mechanical energy conservation which is the same as for oscillations of a spring with a load.

There is an urgent need for predictive preclinical models to enhance the success rate of clinical trial outcomes. One of the main reasons for drug attrition is the lack of translational models, methods using human cells are particularly in the spotlight of regulatory bodies as they offer an alternative to in vivo studies and have the potential to improve the translational of preclinical trials. Organs-on-Chips (OoCs) are sensible candidates to reduce the cost and the ethical burden of animal models while accelerating and de-risking drug development. The innovation of such systems is based on both the increased relevance of the cells used and the ability to build precise, yet physiologically relevant, complex architectures. The use of microfluidic technologies with human induced pluripotent stem cells (hiPSCs) opens new routes to create relevant in vitro approaches as they will soon be able to reproduce clinical characteristics of donors or specific populations. The adoption of OoC models by pharmaceutical industries, and in fine by regulatory agencies, still requires: (i) establishing standardized, reproducible, robust, and replicable cell culture protocols with specific validation and characterization criteria, (ii) evidence that the technology predicts human responses, thus allowing to contribute efficiently and reliably to clinical trials success of novel therapeutics, and (iii) evidence that the models refine and reduce animal testing without compromising with the quality and the pertinence of the data generated.

mRNA drugs are synthesized using cell-free systems without complex and stringent manufacturing processes, which makes their preparation simple, efficient, and economical. Over the past few years, mRNAs encoding antibodies have been one of the research frontiers of antibody drug development. In cancer immunotherapy, mRNAs encoding immune checkpoint antibodies may be advantageous regarding antibody persistence and durability of the anti-tumor immune response of patients. In our previous study, a candidate antibody—AET2010—targeting the novel immune checkpoint TIGIT was reported. Its anti-tumor activity was also investigated using adoptive transfer of NK-92MI cells in a xenograft mouse model, but the limitations of the model did not facilitate precise evaluation. In the present study, we further investigated the therapeutic potential of AET2010 for cancer in TIGIT-humanized BALB/c mice. Next, we explored the design, synthesis, and optimization of mRNAs encoding AET2010 and ultimately obtained a candidate mRNA (mRNA-BU) with favorable in vitro and in vivo expression levels of active AET2010. Particularly, lipid-nanoparticle-encapsulated mRNA-BU delivered to mice produced AET2010 with significantly higher peak concentration and expression duration than an equivalent dose of original AET2010. This study provides a sound basis for developing novel drugs targeting TIGIT.

In administrative and economic science, factor analysis models are essential for their explanatory capacity of institutional responses to risk events. The objective of this document was to contrast a model that explains the emergence of corporate governance dimensions in the face of the pandemic. An exploratory study was carried out based on a systematic review of the literature from 2020 to 2023, considering the search by keywords in Google scholar and Microsoft academic, as well as the judges from a public university in the center of Mexico. The results show that corporate identity explains the university’s response to the pandemic. In relation to the state of the art, the scope and limits of the model are discussed in other proposals.

A survey was conducted in the agricultural farms in Dhulikhel Municipality, mid-hill, Kavre, Nepal aiming at assessing the status of agrobiodiversity with the purpose of understanding its role in food security taking altogether 133 farming households scattered in several settlements with lowland, upland, and home garden being the general agricultural land use systems. Biodiversity index: Shannon-Wiener Index was used to assess diversity of plant. The main purpose was to assess the farm agrobiodiversity and to find out whether biodiversity level has a direct link to household food self-sufficiency. For descriptive analysis frequency, percentage, mean and standard errors were used. In the case of inferential statistics independent sample t - test and binary logistic was used to find the odd ratio of practicing home garden. The result showed that the average landholding size was 0.66 ha/household with 0.37 ha, 0.3 ha, and 0.06 ha being upland, low land, and home garden, respectively. A total of 136 plant species were documented out of which 74 were the effective number of species in the study area. Among the used plants, fodder shared 27% of the total plant diversity followed by fruit (21%), vegetable (19%), medicinal plants (8%), pulses (8%), spices (7%), oilseeds (5%) and cereals (5%). Similarly, the mean livestock unit (LSU) was 2.65. The overall Shannon-Wiener Index was 4.30 indicating high diversity of species and 87.7% of the species were evenly distributed. The Index was higher for vegetable (3.11) followed by fruits (2.9) and fodder (2.85). Higher diversity was found in fodder trees in lowlands whereas vegetable species were more diverse in upland and home garden. Similarly, the Index was 4.29 in the upland whereas it was 4.078 in the home garden followed by 3.13 in the lowland. The evenness was 0.899, 0.87, and 0.74 in upland, home garden and lowland, respectively. Higher species diversity revealed that the site was rich in agrobiodiversity. A significant positive correlation (0.22) was observed between Shannon-Wiener Index and farming years. Similarly, positive correlation (0.33) was found between an increase in the level of agrobiodiversity and food self-sufficiency. The result demonstrated that increasing crop diversity increases the household’s ability towards food sufficiency implying the need for the formulation and implementation of efficient policy to conserve the agrobiodiversity at municipality as well as national levels.

Vacuum therapy has become a new option in the treatment of wounds in surgery. More recently this therapy has also been used as a treatment for anastomotic leakages in association or not to emergency surgery. The management of these devices should be familiar to all the staff in a surgical ward.

This article contains modern data on the etiology, clinical presentation and treatment as well as the differential diagnosis of a rare dermatosis, Sneddon-Wilkinson disease.Clinical observation of subcorneal pustular dermatosis in a 68-year-old woman is reported. Histopathological examination played a key role in making the correct diagnosis. Treatment consisted of a physiotherapeutic approach (311 nm UVB phototherapy) in combination with systemic glucocorticosteroids (dexamethasone). This therapeutic approach (instead of dapsone therapy) can be used due to its relatively good safety profile.