Publications by authors named "D R KULKARNI"

During meiosis, each pair of homologous chromosomes becomes connected by at least one crossover, as required for accurate segregation, and adjacent crossovers are widely separated thereby limiting total numbers. In coarsening models, this crossover patterning results from nascent recombination sites competing to accrue a limiting pro-crossover RING-domain protein (COR) that diffuses between synapsed chromosomes. Here, we delineate the localization dynamics of three mammalian CORs in the mouse and determine their interdependencies.

View Article and Find Full Text PDF
Article Synopsis
  • A better understanding of chronic lung allograft dysfunction (CLAD) is needed, as it leads to high mortality rates after lung transplants.
  • The study focused on a genetic variation (C3R102G) that enhances complement activation, finding that lung transplant recipients with this variation tend to have poorer outcomes related to CLAD, especially if they develop donor-specific antibodies.
  • In experiments with mice, decreased regulation of the complement system resulted in worse airway damage and increased B cell activity, linking genetic predisposition to complement activation with worse survival outcomes after lung transplantation.
View Article and Find Full Text PDF

The prevalence of hypertension (HTN) and diabetes mellitus (DM) is increasing worldwide, and their coexistence is well-documented. Managing both conditions is challenging due to shared pathophysiological mechanisms and the need to balance blood pressure (BP) control with glycemic management. The objective of this protocol was to consider the prescribing pattern and effectiveness of antihypertensive agents in hypertensive and diabetic patients, with and without compelling indications, at tertiary care hospital.

View Article and Find Full Text PDF

Macrophages in the vascular wall ingest and clear lipids, but abundant lipid accumulation leads to foam cell formation and atherosclerosis, a pathological condition often characterized by tissue stiffening. While the role of biochemical stimuli in the modulation of macrophage function is well studied, the role of biophysical cues and the molecules involved in mechanosensation are less well understood. Here, we use genetic and pharmacological tools to show extracellular oxidized low-density lipoproteins (oxLDLs) stimulate Ca signaling through activation of the mechanically gated ion channel Piezo1.

View Article and Find Full Text PDF
Article Synopsis
  • Pulmonary fibrosis involves immune cell activity and fibroblast expansion, with CCR2+ monocytes playing a key role in its progression.
  • In mouse models, both an oral CCR2 inhibitor and the antifibrotic drug nintedanib reduced lung CCR2+ cells and fibrosis, indicating potential for using CCR2 inhibition as a treatment strategy.
  • CCR2-PET imaging could serve as a valuable tool for monitoring treatment responses and guiding patient management in pulmonary fibrosis.
View Article and Find Full Text PDF