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Reducing Healing Period with DDM/rhBMP-2 Grafting for Early Loading in Dental Implant Surgery.

Tissue Eng Regen Med

January 2025

Department of Oral and Maxillofacial Surgery, Section of Dentistry, Seoul National University Bundang Hospital, 172 Dolma-ro, Bundang-gu, Seongnam-si, Gyeonggi-do, 13620, Republic of Korea.

Background: Traditionally, dental implants require a healing period of 4 to 9 months for osseointegration, with longer recovery times considered when bone grafting is needed. This retrospective study evaluates the clinical efficacy of demineralized dentin matrix (DDM) combined with recombinant human bone morphogenetic protein-2 (rhBMP-2) during dental implant placement to expedite the osseointegration period for early loading.

Methods: Thirty patients (17 male, 13 female; mean age 55.

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Phytoene synthase (PSY) is one of key enzymes in carotenogenesis that catalyze two molecules of geranylgeranyl diphosphate to produce phytoene. PSY is widespread in bacteria, archaea, and eukaryotes. Currently, functional role and catalytic mechanism of archaeal PSY homologues have not been fully clarified due to the limited reports.

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We identified seven distinct coronaviruses (CoVs) in bats from Brazil, classified into 229E-related (Alpha-CoV), Nobecovirus, Sarbecovirus, and Merbecovirus (Beta-CoV), including one closely related to MERS-like CoV with 82.8% genome coverage. To accomplish this, we screened 423 oral and rectal swabs from 16 different bat species using molecular assays, RNA sequencing, and evolutionary analysis.

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Continuous Production of Influenza VLPs Using IC-BEVS and Multi-Stage Bioreactors.

Biotechnol Bioeng

January 2025

Instituto de Biologia Experimental e Tecnológica (iBET), Oeiras, Portugal.

The insect cell-baculovirus expression vector system (IC-BEVS) has been an asset to produce biologics for over 30 years. With the current trend in biotechnology shifting toward process intensification and integration, developing intensified processes such as continuous production is crucial to hold this platform as a suitable alternative to others. However, the implementation of continuous production has been hindered by the lytic nature of this expression system and the process-detrimental virus passage effect.

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Inducible engineering precursor metabolic flux for synthesizing hyaluronic acid of customized molecular weight in Streptococcus zooepidemicus.

Microb Cell Fact

January 2025

MOE Key Laboratory of Industrial Fermentation Microbiology, College of Biotechnology, Tianjin University of Science and Technology, Tianjin, 300457, P. R. China.

Background: Hyaluronic acid (HA) is extensively employed in various fields such as medicine, cosmetics, food, etc. The molecular weight (MW) of HA is crucial for its biological functions. Streptococcus zooepidemicus, a prominent HA industrial producer, naturally synthetizes HA with high MW.

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