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Iskalni niz: "avtor" (Roman Jerala) .

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Crystal structure of de novo designed coiled-coil protein origami triangle
Tadej Satler, San Hadži, Roman Jerala, 2023, izvirni znanstveni članek

Objavljeno v DiRROS: 26.10.2023; Ogledov: 206; Prenosov: 86
.pdf Celotno besedilo (4,72 MB)
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Engineered combinatorial cell device for wound healing and bone regeneration
Lucija Kadunc, Duško Lainšček, Rok Gašperšič, Petra Sušjan, Uroš Kovačič, Miha Butinar, Boris Turk, Roman Jerala, Iva Hafner Bratkovič, 2023, izvirni znanstveni članek

Povzetek: Growth factors are the key regulators that promote tissue regeneration and healing processes. While the effects of individual growth factors are well documented, a combination of multiple secreted growth factors underlies stem cell–mediated regeneration. To avoid the potential dangers and laborintensive individual approach of stem cell therapy while maintaining their regeneration-promoting effects based on multiple secreted growth factors, we engineered a “mix-and-match” combinatorial platform based on a library of cell lines producing growth factors. Treatment with a combination of growth factors secreted by engineered mammalian cells was more efficient than with individual growth factors or even stem cell–conditioned medium in a gap closure assay. Furthermore, we implemented in a mouse model a device for allogenic cell therapy for an in situ production of growth factors, where it improved cutaneous wound healing. Augmented bone regeneration was achieved on calvarial bone defects in rats treated with a cell device secreting IGF, FGF, PDGF, TGF-β, and VEGF. In both in vivo models, the systemic concentration of secreted factors was negligible, demonstrating the local effect of the regeneration device. Finally, we introduced a genetic switch that enables temporal control over combinations of trophic factors released at different stages of regeneration mimicking the maturation of natural wound healing to improve therapy and prevent scar formation.
Ključne besede: wound healing, bone regeneration, growth factors
Objavljeno v DiRROS: 01.06.2023; Ogledov: 288; Prenosov: 107
.pdf Celotno besedilo (2,59 MB)
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Coiled coils as versatile modules for mammalian cell regulation
Estera Merljak, Anja Golob Urbanc, Tjaša Plaper, Roman Jerala, 2023, pregledni znanstveni članek

Objavljeno v DiRROS: 26.05.2023; Ogledov: 301; Prenosov: 101
.pdf Celotno besedilo (1,19 MB)
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Segmentation strategy of de novo designed four-helical bundles expands protein oligomerization modalities for cell regulation
Estera Merljak, Benjamin Malovrh, Roman Jerala, 2023, izvirni znanstveni članek

Objavljeno v DiRROS: 26.04.2023; Ogledov: 314; Prenosov: 124
.pdf Celotno besedilo (1,74 MB)
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Proteolytically activated CRAC effectors through designed intramolecular inhibition
Vid Jazbec, Roman Jerala, Mojca Benčina, 2022, izvirni znanstveni članek

Ključne besede: STIM1, Orai, TEV protease, PPV protease, calcium signaling, coiled-coil peptides
Objavljeno v DiRROS: 20.07.2022; Ogledov: 520; Prenosov: 346
.pdf Celotno besedilo (5,62 MB)
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Designed protease-based signaling networks
Roman Jerala, Tina Fink, 2022, izvirni znanstveni članek

Ključne besede: proteolysis, viral proteases, endogenous proteases, protease-based sensors, synthetic signaling cascades
Objavljeno v DiRROS: 20.05.2022; Ogledov: 506; Prenosov: 346
.pdf Celotno besedilo (854,25 KB)
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Robust saliva-based RNA extraction-free one-step nucleic acid amplification test for mass SARS-CoV-2 monitoring
Eva Rajh, Tina Šket, Arne Praznik, Petra Sušjan, Alenka Šmid, Dunja Urbančič, Irena Mlinarič-Raščan, Polona Kogovšek, Tina Demšar, Mojca Milavec, Katarina Prosenc, Žiga Jensterle, Mihaela Zidarn, Viktorija Tomič, Gabriele Turel, Tatjana Lejko-Zupanc, Roman Jerala, Mojca Benčina, 2021, izvirni znanstveni članek

Povzetek: Early diagnosis with rapid detection of the virus plays a key role in preventing the spread of infection and in treating patients effectively. In order to address the need for a straightforward detection of SARS-CoV-2 infection and assessment of viral spread, we developed rapid, sensitive, extraction-free one-step reverse transcription-quantitative polymerase chain reaction (RT-qPCR) and reverse transcription loop-mediated isothermal amplification (RT-LAMP) tests for detecting SARS-CoV-2 in saliva. We analyzed over 700 matched pairs of saliva and nasopharyngeal swab (NSB) specimens from asymptomatic and symptomatic individuals. Saliva, as either an oral cavity swab or passive drool, was collected in an RNA stabilization buffer. The stabilized saliva specimens were heat-treated and directly analyzed without RNA extraction. The diagnostic sensitivity of saliva-based RT-qPCR was at least 95% in individuals with subclinical infection and outperformed RT-LAMP, which had at least 70% sensitivity when compared to NSBs analyzed with a clinical RT-qPCR test. The diagnostic sensitivity for passive drool saliva was higher than that of oral cavity swab specimens (95% and 87%, respectively). A rapid, sensitive one-step extraction-free RT-qPCR test for detecting SARS-CoV-2 in passive drool saliva is operationally simple and can be easily implemented using existing testing sites, thus allowing high-throughput, rapid, and repeated testing of large populations. Furthermore, saliva testing is adequate to detect individuals in an asymptomatic screening program and can help improve voluntary screening compliance for those individuals averse to various forms of nasal collections.
Ključne besede: SARS-CoV-2, COVID-19, COVID-19 serological testing, real-time polymerase chain reaction, saliva, oral cavity swab, passive drool, pooling
Objavljeno v DiRROS: 09.11.2021; Ogledov: 925; Prenosov: 495
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Triangular in vivo self-assembling coiled-coil protein origami
Sabina Božič Abram, Helena Gradišar, Jana Aupič, Adam Round, Roman Jerala, 2021, izvirni znanstveni članek

Ključne besede: coiled coil, enzyme clustering, biosynthesis, resveratrol, mevalonate
Objavljeno v DiRROS: 22.03.2021; Ogledov: 1283; Prenosov: 826
.pdf Celotno besedilo (1,79 MB)
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Engineering and rewiring of a calcium-dependent signaling pathway
Maja Meško, Tina Lebar, Petra Dekleva, Roman Jerala, Mojca Benčina, 2020, izvirni znanstveni članek

Objavljeno v DiRROS: 25.11.2020; Ogledov: 1275; Prenosov: 832
.pdf Celotno besedilo (3,76 MB)
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