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Three-dimensional (3D) cell cultures systems are important for studying cell biology because they provide in vivo-like microenvironments more physiologically relevant than two-dimensional (2D) culture systems. In 3D culture systems, cells are grown in culture matrixes and turn into spheroids and organoids later processed for downstream analysis by microscopy and histology techniques. The processing of 3D cultures for analysis by microscopy or histology is laborious and time-consuming due to incompatibility of the 3D culture vessels and the microscopy and pathology blocks.

Non-steroidal anti-inflammatory drugs (NSAIDs) have long been used to treat a variety of inflammatory conditions.  Many of these conditions, such as cancer or arthritis, require long term use of the NSAIDs due to the chronic nature of the disease.  However, the NSAIDs in current use have toxicities associated with their long-term use that hinder their use for these chronic conditions.    

Since its emergence in 2019, COVID-19 infected over 600 million people and over 6 million people have died from the disease. COVID-19 is an infectious disease caused by the SARS-CoV-2 virus. Neutralizing antibodies have been developed to bind to the receptor binding domain (RBD) on the spike (S) protein. Blocking the interaction of the RBD and the ACE2 receptor, is critical in neutralizing the virus. However, the S2 subunit, is also critical for viral infection and entry into human cells.

The tumor microenvironment (TME) is a complex mixture of cell types whose interactions affect tumor growth and clinical outcome. Recent studies using fluorescence-activated cell sorting (FACS) and single-cell RNA sequencing (RNAseq) to elucidate tissue composition and cell-cell interactions in the TME led to improved biomarkers of patient response and new treatment opportunities. However, the use of FACS is limited to simultaneously measuring the expression of a few protein markers, whereas the use of single-cell RNAseq has been limited due to cost and scarcity of fresh tumor biopsies.

Interleukin (IL)-34 is a homodimer that is produced mainly by keratinocytes, neuronal cells and regulatory T cells (Tregs). It is believed to play important roles in chronic inflammation and the homeostasis of microglia. Currently, there is no effective treatment for many types of retinal degeneration. An improved treatment of autoimmune uveitis is also needed, as current uveitis treatment primarily uses steroidal anti-inflammation medication, which may produce significant unwanted side effects in long-term use.