Materials Data on CCl3 by Materials Project
CCl3 crystallizes in the orthorhombic Fmm2 space group. The structure is zero-dimensional and consists of four chlorine molecules and eight dichloromethane molecules.
36 MATERIALS SCIENCE↗
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Acute Exposure to Aerosolized Nanoplastics Modulates Redox-Linked Immune Responses in Human Airway Epithelium
Micro- and nanoplastics (MPs and NPs) are pervasive environmental pollutants detected in aquatic ecosystems, with emerging evidence suggesting their presence in airborne particles generated by water body motion. Inhalation exposure to airborne MPs and NPs remains understudied despite documented links between occupational exposure to these particles and adverse respiratory outcomes, including airway inflammation, oxidative stress, and chronic respiratory diseases. This study explored the effects of acute NP exposure on a fully differentiated 3D human airway epithelial model derived from 14 healthy donors. Airway epithelium was exposed to aerosolized 50 nm polystyrene NPs at concentrations ranging from 2.5 to 2500 µg/mL for three minutes per day over three days. Functional assays revealed no significant alterations in tissue integrity, cell survival, mucociliary clearance, or cilia beat frequency, suggesting intact epithelial function post-exposure. However, cytokine and chemokine profiling identified a significant five-fold increase in CCL3 (MIP-1α), a neutrophilic chemoattractant, in NP-exposed samples compared to controls. This was corroborated by increased neutrophil chemotaxis in response to conditioned media from NP-exposed tissues, indicating a pro-inflammatory neutrophilic response. Conversely, levels of interleukins (IL-21, IL-2, IL-15), CXCL10, and TGF-β were significantly reduced, suggesting immunomodulatory effects that may impair adaptive immune responses and tissue repair mechanisms. These findings demonstrate that short-term exposure to NP-containing aerosols induces a distinct pro-inflammatory response in airway epithelium, characterized by enhanced neutrophil recruitment and reduced secretion of key immune modulators. These findings underscore the potential for aerosolized NPs to induce oxidative and inflammatory stress, raising concerns about their long-term impact on respiratory health and redox regulation.
Biochemistry & Molecular Biology↗
Prostate cancer-associated secreted proteins
Methods are provided for treating a subject with prostate cancer and/or diagnosing a subject at risk for prostate cancer, which can include measuring increased expression of at least two prostate cancer-related molecules in a sample obtained from a subject, including the prostate cancer-related molecules AGR2, AGR3, CRISP3, CCL3, CEACAM5, CEACAM6, IL24, MMP9, CXCL14, CD90, POSTN, and SFRP4. The methods can include administering at therapy to a subject with prostate cancer. Methods are provided for treating a subject with intermediate- or high-risk prostate cancer, which can include measuring increased expression of MMP9 in a sample obtained from a subject compared to a control representing expression of MMP9 expected in a sample from a subject who has low-risk prostate cancer.
59 BASIC BIOLOGICAL SCIENCES↗