Notes

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Confocal laser scanning microscopy (CLSM) is a non-invasive technique for cellular in vivo imaging of the human cornea. Bromelain solubility dmso CLSM screening was evaluated for early detection of corneal nerve morphology changes and neuropathogenic events in different stage multiple myeloma (MM) patients. As MM patients show disease as well as therapy-related neuropathological symptoms, CLSM potentially provides a tool for non-invasive early detection of neuropathogenic events. CLSM findings were compared with the severity of peripheral neuropathic (PNP) symptoms.

The study enrolled 25 MM patients in which bilateral ophthalmologic examination was performed including unilateral CLSM. Further peripheral nerve function was clinically evaluated using the conventional neuropathy symptom and neuropathy deficit scores (NDSs).

In 18/25 MM patients, CLSM detected atypical morphological appearance of bulb-like enlarged nerve endings in the corneal sub-basal nerve plexus. These neuromas were only found in patients showing moderate to severe PNP, in patients with mild or lacking PNP neuromas were absent.

CLSM provides a novel non-invasive diagnostic tool for identification of neuromas in cancer patients affected by therapy or disease-related neuropathologies, perspectival allowing early neuronal degenerative process detection and monitoring.
CLSM provides a novel non-invasive diagnostic tool for identification of neuromas in cancer patients affected by therapy or disease-related neuropathologies, perspectival allowing early neuronal degenerative process detection and monitoring.
Many studies have investigated the role of the microbiome in inflammatory bowel disease (IBD), but few have focused on surgery specifically or its consequences on the metabolome that may differ by surgery type and require longitudinal sampling. Our objective was to characterize and contrast microbiome and metabolome changes after different surgeries for IBD, including ileocolonic resection and colectomy.

The UC San Diego IBD Biobank was used to prospectively collect 332 stool samples from 129 subjects (50 ulcerative colitis; 79 Crohn's disease). Of these, 21 with Crohn's disease had ileocolonic resections, and 17 had colectomies. We used shotgun metagenomics and untargeted liquid chromatography followed by tandem mass spectrometry metabolomics to characterize the microbiomes and metabolomes of these patients up to 24 months after the initial sampling.

The species diversity and metabolite diversity both differed significantly among groups (species diversity Mann-Whitney U test P value = 7.8e-17; metabolobility in the microbiome of IBD patients. These long-term effects and their consequences for health outcomes need to be studied in prospective longitudinal trials linked to microbiome-involved phenotypes.Atractylodes lancea (Thunb.) DC. is a traditional Chinese medicine rich in sesquiterpenes that has been widely used in China and Japan for the treatment of viral infections. Despite its important pharmacological value, genomic information regarding A. lancea is currently unavailable. In the present study, the whole genome sequence of A. lancea was obtained using an Illumina sequencing platform. The results revealed an estimated genome size for A. lancea of 4,159.24 Mb, with 2.28% heterozygosity, and a repeat rate of 89.2%, all of which indicate a highly heterozygous genome. Based on the genomic data of A. lancea, 27,582 simple sequence repeat (SSR) markers were identified. The differences in representation among nucleotide repeat types were large, e.g., the mononucleotide repeat type was the most abundant (54.74%) while the pentanucleotide repeats were the least abundant (0.10%), and sequence motifs GA/TC (31.17%) and TTC/GAA (7.23%) were the most abundant among the dinucleotide and trinucleotide repeat motifs, respectively. A total of 93,434 genes matched known genes in common databases including 48,493 genes in the Gene Ontology (GO) database and 34,929 genes in the Kyoto Encyclopedia of Genes and Genomes (KEGG) database. This is the first report to sequence and characterize the whole genome of A. lancea and will provide a theoretical basis and reference for further genome-wide deep sequencing and SSR molecular marker development of A. lancea.
Single-cell RNA sequencing (scRNA-seq) offers new possibilities to infer gene regulatory network (GRNs) for biological processes involving a notion of time, such as cell differentiation or cell cycles. It also raises many challenges due to the destructive measurements inherent to the technology.

In this work, we propose a new method named GRISLI for de novo GRN inference from scRNA-seq data. GRISLI infers a velocity vector field in the space of scRNA-seq data from profiles of individual cells, and models the dynamics of cell trajectories with a linear ordinary differential equation to reconstruct the underlying GRN with a sparse regression procedure. We show on real data that GRISLI outperforms a recently proposed state-of-the-art method for GRN reconstruction from scRNA-seq data.

The MATLAB code of GRISLI is available at https//github.com/PCAubin/GRISLI.

Supplementary data are available at Bioinformatics online.
Supplementary data are available at Bioinformatics online.
Hereditary hemochromatosis (HH) is a primary iron overload (IO) condition. Absolute telomere length (ATL) is a marker of cellular aging and DNA damage associated with chronic diseases and mortality.

To evaluate the relationship between ATL and IO in patients with HH.

Cross-sectional study including 25 patients with HH 8 with IO and 17 without IO (ferritin < 300 ng/ml) and 25 healthy controls. Inclusion criteria were age > 18 years, male sex and HH diagnosis. Patients with diabetes or other endocrine and autoimmune diseases were excluded. ATL was measured by real-time PCR.

HH patients with IO were older (P<0.001) and showed higher ferritin concentration (P<0.001). Patients with HH, disregarding the iron status, showed higher glucose and body mass index (BMI) than controls (both P<0.01). ATL was shorter in patients with IO than controls [with IO 8 (6-14), without IO 13 (9-20), and controls 19 (15-25) kilobase pairs, P<0.01]; with a linear trend within groups (P for trend <0.01). Differences in ATL remained statistically significant after adjusting by age, BMI and glucose (P<0.
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