Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts:   Target Concepts:
Query: EC:1.2.1.13 (glyceraldehyde-3-phosphate dehydrogenase)
 6,511 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

The common marmoset (Callithrix jacchus) is increasingly being used as a non-human primate animal model in biomedical research. To perform accurate quantitative analysis of gene expression by quantitative reverse transcription polymerase chain reaction, reliable reference genes should be selected. In this study, we evaluated the expressions of 11 widely used reference genes: ACTB, ATP5F1, B2M, GAPDH, HPRT1, PGK1, PPIA, RN18S1, RPLP0, TBP and UBC in 12 tissues and five brain areas of healthy common marmosets. NormFinder and geNorm indicated that the most suitable reference genes for cross-sectional studies of the 17 tissues were RN18S1 and RPLP0. Conversely, ACTB and PPIA were the most suitable for analyzing brain samples; however, the expression of PGK1 fluctuated among brain areas. These results indicate that suitable reference genes differ between the tissues examined. This study provides fundamental information for gene expression studies of the common marmoset and highlights the importance of validating reference genes before quantification of target mRNAs.
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PMID:Selection of suitable reference genes for mRNA quantification studies using common marmoset tissues. 2406 36

Recently, it has been suggested that cellular senescence is associated with stem cell exhaustion, which reduces the regenerative potential of tissues and contributes to aging and age-related diseases. Mesenchymal stem cells (MSCs) attract a large amount of attention in stem cell research and regeneration medicine because they possess multiple advantages and senescent MSCs could be one of the most useful stem cell models in aging studies. It is important to quantitatively evaluate senescence markers to both identify and study the mechanisms involved in MSC senescence. Reverse transcription quantitative real-time polymerase chain reaction (RT-qPCR) is currently the most widely used tool to quantify the mRNA levels of markers. However, no report has demonstrated the optimal reference genes that should be used to normalize RT-qPCR in senescence studies of MSCs. In this study, we compared 16 commonly used reference genes (GAPDH, ACTB, RPL13A, TBP, B2M, GUSB, RPLPO, YWHAZ, RPS18, EEF1A1, ATP5F1, HPRT1, PGK1, TFRC, UBC, and PPIA) in proliferating or replicative-senescent human adipose-derived MSCs (hAD-MSCs) that were isolated from seven healthy donors aged 29-59 years old. Three algorithms (geNorm, NormFinder, and BestKeeper) were used to determine the most optimal reference gene. The results showed that PPIA exhibited the most stable expression during senescence, while the widely used ACTB exhibited the lowest stability. We also confirmed that different reference genes lead to different evaluations of senescence markers. Our work ensures that results obtained from senescence studies of hAD-MSCs will be appropriately evaluated in both basic research and clinical trials.
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PMID:Optimization of Reference Genes for Normalization of Reverse Transcription Quantitative Real-Time Polymerase Chain Reaction Results in Senescence Study of Mesenchymal Stem Cells. 2748 87