The association between mitochondrial DNA copy number, telomere length, and tubal pregnancy
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The association between mitochondrial DNA copy number, telomere length, and tubal pregnancy
Growing evidence has shown a link between the occurrence of ectopic tubal pregnancy (TP) and the status of oxidative stress (OS), in which the mitochondria and telomeres play an important role. However, little is known about the underlying correlation between TP and the number of copies of mitochondrial DNA (mtDNAcn) or telomere length (TL) abnormalities. In this study, we found the OS level increased in patients with TP.
We hierarchical detect relative mtDNAcn and NE of the villi of normal pregnancy (NP) and TP samples according to different gestational age, fetal sex, maternal age, and BMI. The results showed that the relative mtDNAcn significantly lowered in the villi in the TP group compared with the NP group, which is negatively correlated with the status of the OS. In the NP group, which mtDNAcn the subgroup of women was apparently lower than in the subgroup of men, while there was no statistical difference was found in mtDNAcn in TP group between subgroups of women and men. Additionally, TL relative in TP group were on the same level with the NP group, and there was no statistical correlation was observed between the relative NE and OS level. In summary, our findings suggest that abnormal levels mtDNAcn than TL correlated with TP, which provides new insight into the mechanism of the TP.
local chicken population is a major source of food in rural areas of Algeria. However, as long as they have not been marked. The purpose of this study was to assess the genetic diversity and origin mother domestic chicken of five areas of agro-ecological Algeria West: beach (CT), terrain inland (IP), plateau (HL), mountain (MT) and sahara (SH, including Oasis, Req and Erg region). A set of 88 mitochondrial DNA (mtDNA) D-loop sequences including me hypervariable regions (HV1) were analyzed. Of 397 bp D-loop sequences, 20 variable sites defined 13 haplotypes were identified in the Algerian domestic chicken. Haplotype and nucleotide diversity was estimated as 0.597 and 0.003, respectively.
Phylogenetic and tissue analysis showed two clades or haplogroups (A and E). Only one clade A haplotypes were observed exclusively in the mountains of the population, while, Clade E haplotype is found in almost all chicken Algeria with twelve different haplotypes. These findings show that Algeria chicken came from haplogroup most everywhere that has its roots in the Indian subcontinent. Our results provide important information about the origin of chicken North-West Africa and a historical spread of the first chicken population to the African continent.
The association between mitochondrial DNA copy number, telomere length, and tubal pregnancy
Massively parallel single-cell genotypes of mitochondrial DNA and chromatin profile
Natural mitochondrial DNA (mtDNA) mutations allow the inference clonal relationships between cells. mtDNA can be profiled along with measures cell state, but has not been coupled with massively parallel approach is needed to address the complexity of human tissue.
Here, we introduce a high-throughput, mitochondria droplet-based single-cell assay for chromatin transposase accessed by sequencing (scATAC-seq), a method that combines high confidence mtDNA mutation called thousands of single cells with their simultaneous high quality accessible chromatin profile. This allows the inference mtDNA heteroplasmi, clonal relationship, the state of cells and accessible chromatin variation in individual cells. We reveal the single-cell variation in mtDNA heteroplasmi of pathological variants, which we associate with chromatin intra-individual variability and clonal evolution.
Description: Saliva DNA Isolation Kit provides a fast and simple spin column procedure for isolating high quality DNA from saliva samples collected and preserved using AcceGen's Saliva DNA Collection and Preservation Devices, as well as fresh saliva samples.Saliva DNA purified using AcceGen's kit is of the excellent quality, and is compatible with a number of downstream research applications including PCR, qPCR, Southern Blot analysis, sequencing and microarray analysis.
Description: The Viral DNA/RNA Isolation Kit is intended for rapid co-extraction of viral DNA and RNA from a variety of biofluid samples, such as, plasma, serum, milk and swap samples. The proprietary microspherical paramagnetic beads used in the kit have a large binding surfaces and a high affinity towards nucleic acids. Going through sample lysis/binding, washing, and elution steps, the whole process can be completed under 35 minutes, and yields highly pure nucleic acids elute. The recovered nucleic acids can be used in a wide range of applications, such as PCR, RT-PCR, Sanger Sequencing, NGS, and gene chips.
We clonal track thousands of cancer cells, connecting epigenomic variability subclonal evolution and infer cellular dynamics differentiating hematopoietic cells in vitro and in vivo. Taken together, our approach allows the study of population dynamics of cellular and in vivo clonal nature.
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