The cystatin C-based Le Bricon equation was the most accurate, and most of the cystatin C-based equations showed improvements in 30% and 50% accuracy compared with the creatinine-based MDRD equation. Cystatin C-based equations may offer an advantage over the MDRD equation in kidney transplant recipients. Estimating equations re-expressed with standardized cystatin C have been developed and their accuracy needs to be tested in the kidney transplant population.
The evidence underpinning the developmental origins of health and disease (DOHaD) is overwhelming. As the emphasis shifts more towards interventions and the translational strategies for disease prevention, it is important to capitalize on collaboration and knowledge sharing to maximize opportunities for discovery and replication. DOHaD meetings are facilitating this interaction. However, strategies to perpetuate focussed discussions and collaborations around and between conferences are more likely to facilitate the development of DOHaD research. For this reason, the DOHaD Society of Australia and New Zealand (DOHaD ANZ) has initiated themed Working Groups, which convened at the 2014-2015 conferences. This report introduces the DOHaD ANZ Working Groups and summarizes their plans and activities. One of the first Working Groups to form was the ActEarly birth cohort group, which is moving towards more translational goals. Reflecting growing emphasis on the impact of early life biodiversity - even before birth - we also have a Working Group titled Infection, inflammation and the microbiome. We have several Working Groups exploring other major non-cancerous disease outcomes over the lifespan, including Brain, behaviour and development and Obesity, cardiovascular and metabolic health. The Epigenetics and Animal Models Working Groups cut across all these areas and seeks to ensure interaction between researchers. Finally, we have a group focussed on 'Translation, policy and communication' which focusses on how we can best take the evidence we produce into the community to effect change. By coordinating and perpetuating DOHaD discussions in this way we aim to enhance DOHaD research in our region.
Syndrome individual with differential genotoxin sensitivity and a DNA damage response defect, SUMMARY Purpose: Roberts Syndrome (RBS) is a rare recessively-transmitted developmental disorder characterized by growth retardation, craniofacial abnormalities and truncation of limbs. All affected individuals to date have mutations in the ESCO2 (Establishment of cohesion 2) gene, a key regulator of the cohesin complex, which is involved in sister chromatid cohesion and DNA double-strand break (dsb) repair.Here we characterize DNA damage responses (DDRs) for the first time in a RBSaffected family.
Methods and Materials: Lymphoblastoid cell lines (LCLs) were established from an RBS family, including the proband, and parents carrying ESCO2 mutations. Various DDR assays were performed on these cells, including clonogenic, chromosome break and apoptosis assays, checkpoint activation indicators and measures of DNA breakage and repair. Results: Cells derived from the RBS-affected individual showed sensitivity to ionizing radiation (IR) and Mitomycin C (MMC) -induced DNA damage. In this ESCO2 compound heterozygote, other DNA damage responses were also defective, including enhanced IR-induced clastogenicity and apoptosis, increased DNA dsb induction and a reduced capacity for repairing IR -induced DNA dsbs as measured by γ-H2AX foci and the comet assay.Conclusions: in addition to its developmental features, RBS can be, like ataxia telangiectasia, considered a DNA damage response-defective syndrome, which contributes to its cellular, molecular and clinical phenotype.
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