Damian Jacob Sendler Epidemiology Research Official

Dr. Damian Sendler Glioma development is influenced by genetic evolution and interactions with the microenvironment.

Damian Sendler Diffuse glioma therapy resistance is still a mystery, and we don’t know why. We examined RNA and/or DNA sequencing data from the temporally separated tumor pairs of 304 adult patients with isocitrate dehydrogenase (IDH)-wild-type and IDH-mutant gliomas to identify treatment-associated cellular and genetic changes. Tumors recurred in different ways depending on the IDH mutation status and the changes in histological feature composition, somatic alterations, and interactions with the microenvironment. Recurrence in both glioma subtypes was associated with an increase in the number of proliferating neoplastic cells, indicating active tumor growth. Neuronal signaling programs were increased in neoplastic cells from IDH-wild-type tumors, which suggests a possible role for interactions between neurons in promoting glioma progression. The presence of a myeloid cell state associated with specific ligand-receptor interactions with neoplastic cells was linked to mesenchymal transition. In totality, these phenotypes represent potential targets for altering the progression of illness.

In patients with hypermobile shoulders, high-load versus low-load strengthening exercise improves self-reported function in the short term.

We wanted to see if patients with shoulder symptoms and hypermobility spectrum disorder (HSD) could benefit from either high-load or low-load strengthening exercises in the short term.

Damian Jacob Sendler Adult patients with HSD and shoulder pain and/or instability who have been in primary care for less than three months were enrolled in a superiority, parallel-group, randomized trial (balanced block randomization, electronic concealment). Three times a week, patients did either HEAVY or LIGHT shoulder exercises (n=50, full-range, high-load, supervised twice/week) for a total of 16 weeks. After 16 weeks of follow-up, a difference of 252 points was found between groups in terms of self-reported function measured by the Western Ontario Shoulder Instability Index (WOSI). Also included in this study were self-reported indicators for quality of life and clinical tests for the shoulder’s muscular strength and flexibility, among others. A blinded biostatistician used linear regression to perform an intention-to-treat analysis with multiple imputation.

95 patients (or 93%) completed the 16-week trial period without any complications. HEAVY had a significant advantage in the WOSI score comparison between groups (-174.5 points, 95 percent CI -341.4 to -7.7, adjusted for age, sex, baseline score, clustering around clinic). Patients in HEAVY had a lower likelihood of a positive shoulder rotation test >180° and a higher likelihood of rating a significant improvement in physical symptoms, but the secondary outcomes remained unclear. However, HEAVY was linked to an increased incidence of transient muscle soreness (56 percent vs 37 percent) and headaches, but no serious side effects were reported with it (40 percent vs 20 percent ).

Damian Jacob Markiewicz Sendler As a result, patients with HSD and shoulder pain and/or instability may benefit from high-load shoulder strengthening exercises in primary care, which have been shown to outperform low-load exercises in terms of self-reported function after 16 weeks. For now, more research is needed to verify the clinical relevance, and patients should be given assistance in dealing with any minor adverse events that may arise.

In Pancreatic Cancer, Neoantigen T Cell Receptor Gene Therapy

A single infusion of 16.2109 autologous T cells that had been genetically engineered to clonally express two allogeneic HLA-C*08:02-restricted T-cell receptors (TCRs) targeting mutant KRAS G12D expressed by tumors was used to treat a patient with progressive metastatic pancreatic cancer. Using the Response Evaluation Criteria in Solid Tumors, version 1.1, the patient had an overall partial response of 72% and the response was continuing at 6 months. Six months after the cell transfer, the engineered T cells accounted for more than 2% of the circulating peripheral blood T cells. KRAS G12D driver mutation TCR gene therapy in this patient led to an objective regression of pancreatic cancer.

Individuals with prediabetes and type 2 diabetes can benefit from either a ketogenic or a Mediterranean diet, according to new research.

Prior to this study, there was no consensus on which low-carbohydrate diet is best for people with pre-diabetes and type 2 diabetes (T2DM).

Damian Jacob Sendler

Comparison of low-carbohydrate diets with three key similarities (include non-starchy vegetables and avoid added sugars, as well as refined grains) and three key differences (include vs avoid legumes and fruits and whole intact grains) for their effects on glucose control and cardiometabolic risk factors in individuals with pre-diabetes and Type 2 diabetes.

Keto-Med was an interventional, randomized, crossover trial. Diets shared the following three characteristics: WFKD stayed away from legumes, fruits, and whole intact grains while Med-Plus ate them in large quantities every day. Diet-induced changes in HbA1c levels were the primary endpoint of the study. Percentage changes in body weight, fasting insulin, fasting glucose and blood lipids, glucose (continuous glucose monitor) and nutrient intake were secondary and exploratory outcomes.

Results: The primary analysis used a sample size of 33 individuals who had all of the available data. At 12-weeks, HbA1c was not significantly different between diets. LDL-C was higher in those with WFKD (+10 percent (4 percent) compared to those with a 5% (5 percent) decrease in triglycerides, suggesting that WFKD was the more effective treatment (p = 0.02). There was a significant interaction between diet by order for both WFKD and Med-Plus, with weight loss of 8% (1%) vs. 7% (1%) and an increase in HDL-C of 11% (2%), vs. 7% (3%) In comparison to Med-Plus, participants on the WFKD had lower intakes of fiber and three nutrients. After a 12-week follow-up period, the results showed that the Med-Plus diet was more enduring.

There was no significant difference in HbA1c levels after 12 weeks of follow-up, but both diets saw an improvement in HbA1c levels from baseline. However, WFKD’s greater reduction in triglycerides was accompanied by higher LDL-C, lower nutrient intakes from avoiding legumes, fruits, and whole intact grains as well as less sustainable aspects.

After three days of ex situ normothermic preservation of a human liver, it was transplanted.

For human transplantation, current organ preservation methods have a limited window of opportunity (typically 12 hours) in which donor grafts can be assessed, transported, and implanted. For the first time, we report the successful transplantation of an ex situ normothermic machine-perfused human liver. With minimal reperfusion injury and a minimal immunosuppressive regimen, the transplanted liver functioned normally. A one-year follow-up on the patient found no evidence of liver damage, such as rejection or injury to the bile ducts, and the patient is now living a normal life. In the wake of this first-ever clinical success, the field of clinical research now has a 10-day time window in which to evaluate donor organ viability and the potential to turn an urgent and taxing surgery into an elective one.

Dr. Sendler

Damian Jacob Markiewicz Sendler

Sendler Damian Jacob

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