ArticlePediatric research2021
CD44 and RHAMM expression patterns in the human developing lung.
Article in Pediatric research, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed, 18 citations in OpenAlex.
- The potential role of CD44+ monocytes in mediating hyperinflammatory response in bronchopulmonary dysplasia in very premature infants.Pediatric research · 2026Article
- Collagen type IV alpha 1 chain (COL4A1) expression in the developing human lung.BMC pulmonary medicine · 2024Article
- Transcriptome Analysis of Diffuse Large B-Cell Lymphoma Cells Inducibly Expressing MyD88 L265P Mutation Identifies Upregulated CD44, LGALS3, NFKBIZ, and BATF as Downstream Targets of Oncogenic NF-κB Signaling.International journal of molecular sciences · 2023Article
- Vascular adhesion protein-1 expression is reduced in the intestines of infants with necrotizing enterocolitis: an observational research study.BMC pediatrics · 2022Observational
- Spatial Transcriptome Uncovers the Mouse Lung Architectures and Functions.Frontiers in genetics · 2022Article
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Authors and funding
4 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundThe hyaluronan (HA) receptors CD44 and RHAMM (CD168) are involved in cellular proliferation, differentiation, and motility. As previously investigated, HA and RHAMM expression in human neonatal lungs correlates to gestational age (GA) and air content.
methodsCD44 immunofluorescence was analyzed in postmortem lung samples from infants (n = 93; 22-41 GA) by digital image analysis together with clinical data, including RHAMM expression, lung air, and HA content by hierarchical clustering.
resultsFive groups were defined according to RHAMM/CD44 expression, GA, and postnatal age (PNA): extremely to very preterm (EVP; 22-31 GA; Groups 1-2), moderately preterm to term (MPT; 31-41 GA; Groups 3-4), and mixed preterm to term (27-40 GA; Group 5). CD44 correlated linearly with RHAMM in MPT (r = 0.600; p < 0.004). In EVP, high CD44 and low RHAMM corresponded with high PNA and lung air content independently of HA and GA (Group 1 vs 2; p < 0.05). In MPT, high and low CD44 corresponded with low and high RHAMM independently of GA, HA, and lung air content (Group 3 vs 4; p < 0.001). No correlation between CD44 and GA/PNA at death was observed.
conclusionsA linear correlation between CD44 and RHAMM expression occurs during the late saccular phase of lung development at birth, whereas postnatal influences on CD44 and RHAMM expression in extremely to very preterm infants cannot be excluded. IMPACT: The interplay between CD44 and RHAMM, two receptors of hyaluronic acid, can be dependent on the lung developmental stage at birth. This is the second study that analyzes the distribution pattern of CD44 in the human lung during development and the first study performed with quantitative analysis of CD44 expression together with RHAMM expression in the human lung. Our results suggest a relationship in a subset of infants between CD44 and RHAMM expression, which appears at birth during the late saccular stage but not during the earlier stages of lung development.
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