17 research outputs found
Biphasic Calcium Phosphate Bioceramics for Orthopaedic Reconstructions: Clinical Outcomes
BCP are considered the most promising biomaterials for bone reconstruction. This study aims at analyzing the outcomes of patients who received BCP as bone substitutes in orthopaedic surgeries. Sixty-six patients were categorized according to the etiology and morphology of the bone defects and received scores after clinical and radiographic evaluations. The final results corresponded to the combination of both parameters and varied from 5 (excellent result) to 2 or lower (poor result). Most of the patients who presented cavitary defects or bone losses due to prosthesis placement or revision, osteotomies, or arthrodesis showed good results, and some of them excellent results. However, patients with segmental defects equal or larger than 3âcm in length were classified as moderate results. This study established clinical parameters where the BCP alone can successfully support the osteogenic process and where the association with other tissue engineering strategies may be considered
Comprehensive Profiling of NâLinked Glycosylation Sites in HeLa Cells Using Hydrazide Enrichment
The adenocarcinoma cell line HeLa serves as a model
system for cancer research in general and cervical cancer in particular. In
this study, hydrazide enrichment in combination with state-of-the art
nanoLCâMS/MS analysis was used to profile N-linked glycosites in HeLa
cells. N-Linked glycoproteins were selectively enriched in HeLa cells by
the hydrazide capture method, which isolates all glycoproteins
independent of their glycans. Nonglycosylated proteins were removed
by extensive washing. N-Linked glycoproteins were identified with the
specific NXT/S motif and deamidated asparagine (N). Deglycosylation
was carried out in both H_2 (^16)O and H_2 ^(18)O to confirm the deamidation.
NanoLCâMS/MS analysis indicated that the method selectively enriched
at least 100 fold N-linked glycosites in HeLa cells. When both the
membrane and cytosolic fractions were used, a total of 268 unique N-glycosylation
sites were identified corresponding to 106 glycoproteins.
Bioinformatic analysis revealed that most of the glycoproteins identified
are known to have an impact on cancer and have been proposed as
biomarkers
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California communities deal with conflict and adjustment at the urban-agricultural edge
About 2.5 million agricultural acres are located adjacent or in close proximity to nonfarm residences in California, leading to widespread farm-residential conflicts. This exploratory study compared high- and low-conflict edges in four crop-growing communities in two counties. (A separate analysis of San Diego County in a sidebar compares two edge situations involving animal and nursery operations.) We present tentative generalizations about conflict variations, sources and solutions. High conflict levels were largely due to residentsâ unfamiliarity with agricultural activities, although conflict levels were also related to specific farming practices. We also pose questions to guide further and more systematic research on the edge issue in California agriculture
Recommended from our members
California communities deal with conflict and adjustment at the urban-agricultural edge
About 2.5 million agricultural acres are located adjacent or in close proximity to nonfarm residences in California, leading to widespread farm-residential conflicts. This exploratory study compared high- and low-conflict edges in four crop-growing communities in two counties. (A separate analysis of San Diego County in a sidebar compares two edge situations involving animal and nursery operations.) We present tentative generalizations about conflict variations, sources and solutions. High conflict levels were largely due to residentsâ unfamiliarity with agricultural activities, although conflict levels were also related to specific farming practices. We also pose questions to guide further and more systematic research on the edge issue in California agriculture