Notizia
Data notizia: Wed, 26/06/2024 - 12:00
... behind this link by
carrying out in vivo experiments for the first time on specimens of drosophila melanogaster
, the common ... this research showed that
vitamin b6 deficiency can transform benign tumours
expressing the rasv12 oncogene (a gene linked to the formation of neoplasms)
into more aggressive forms
that produce metastases. vitamin b6 is a water-soluble compound with ... of enzymes involved in 4% of metabolic reactions.
therefore, within the delicate cellular balance,
vitamin b6 deficiency results
... and chromosome aberrations.
researchers demonstrated for the first time in vivo the correlation between vitamin b6 deficiency, ... advantages of using the fruit fly as an experimental model for genetic studies, the use of drosophila as a
model organism to study ... tumours in humans
. this experimental model can therefore be used in the future to study the impact of other micronutrient ...
Notizia
Data notizia: Wed, 28/09/2022 - 12:00
... board tara, the historic schooner that has been setting sail for the atlantic ocean since 2020 to study the distribution of marine ... ecologist from sapienza university of rome has also boarded for the first time. daniele de angelis, a researcher at the charles darwin ... says de angelis, "and many of the key functions they perform are regulated by microbial species invisible to the human eye. as a matter ... change and microplastic pollution and then to draw guidelines for the management and protection of the atlantic ocean. "our hope," concludes ... https://www.atlanteco.eu/the- project
further information
luigi maiorano department of biology and biotechnology "charles ... and microplastic pollution. the mission aims to draw guidelines for the management and preservation of the atlantic ocean
sapienza in the ...
Notizia
Data notizia: Fri, 08/07/2022 - 12:45
it is now known that
vaccine-induced immunity is crucial for the long-term control of the covid-19 pandemic.
however, several ... '
were given a questionnaire to collect personal information and a quantitative serological test was performed to detect anti-s-protein (spike) antibodies to the sars-cov2 virus,
... the sense of responsibility to reach results that, also for covid-19, represent a further incentive to pursue healthy lifestyles. ... many already known correlations, it also took into account for the first time," concludes stefania basili, "many factors including level ... (2022) https://doi.org/10.3390/jpm12060994
further information
stefania basili department of translational and precision medicine ... in the journal of personalised medicine, pave the way for customisable vaccination programmes
covid-19 vaccination: not only ...
Notizia
Data notizia: Tue, 17/05/2022 - 13:00
... interesting observation window into the brain's functions. for this reason, handwriting
monitoring provides useful biological information, especially in neurological patients
: handwriting disorders are ... through artificial intelligence as an innovative system for the remote monitoring, in telemedicine, of neurological patients. the ... carried out in collaboration with the departments of information engineering, electronics and telecommunications of sapienza ... in character width due to physiological ageing
and, therefore, of attributing each writing sample to a specific age group of the ... implications in the neurological field, it can contribute, for instance, to the historical dating of a given document by automatically ... telemedicine methods.
references:
handwriting declines with human aging: a machine learning study
- francesco asci, simone ... https://doi.org/10.3389/fnagi.2022.889930
further information
antonio suppa department of human neuroscience ...
Notizia
Data notizia: Mon, 13/12/2021 - 15:45
... of people's lives, including work, with crucial implications for workers' wellbeing. the spectre of an economic recession, the fear of ... vulnerabilities and key protective factors.
among the former,
job insecurity and insecurity perceptions appear to be associated with worse emotional adjustment,
especially for those with fixed-term contracts.
among the protective elements, ... individual vulnerabilities and resources: positivity, for example, was found to be a key protective factor, decreasing the perception ... https://doi.org/10.1007/s12144-021-02408-w
further information
guido alessandri department of psychology ... the journal current psychology, provide an important basis for designing and implementing interventions to support workers in the later ...
Notizia
Data notizia: Thu, 25/06/2020 - 12:00
... of the last century; thanks to persistent conservation efforts, such as legal protection and habitat management,
wolves have been ...
where they are more likely to encounter dogs and chances for hybridisation are higher
. concurrently, poaching and hunting activities may disrupt the social cohesion of wolf packs, therefore, allowing greater opportunities for affiliative encounters between wolves and dogs. the research, led by ... considered hybrids.
references:
european agreements for nature conservation need to explicitly address wolf-dog hybridization -
... https://doi.org/10.1016/j. biocon.2020.108525
further information
paolo ciucci department of biology and biotechnology "charles ... with dogs and urgent necessity of appropriate measures for the proper management of the phenomenon: these are the main points of a new ...
Notizia
Data notizia: Mon, 16/10/2023 - 12:00
... of 55, about 15 days after the first vaccine dose and was fortunately relatively rare, with a
frequency of 1:100,000 cases.
in the ... of cardiology, the authors showed that the
antibodies formed in some patients attack not only platelets but also leucocytes by ... discovery," adds violi, "not only opens up new perspectives for understanding how thrombosis occurs in humans, highlighting the crucial ... but will also help in the
development of new drugs for the treatment of myocardial infarction and stroke
. drugs that inhibit ...
2023 doi: 10.1161/atvbaha.123.319522.
further information
francesco violi department of internal medicine and medical ... published in thrombosis and vascular biology, pave the way for the development of new drugs to treat heart attacks and strokes
covid-19 ...
Notizia
Data notizia: Thu, 28/09/2023 - 12:30
... to neurons and their ability to process and transmit information. to support them in this task, glial cells perform a number of structural, energetic and immune functions. some of these, ... points where neurotransmitters are released to spread information between neurons.
for this reason, neuroscientists have long suggested that astrocytes might play ...
active role in synaptic transmission and participate in information processing.
international research, coordinated by andrea volterra ... experiencing an increase in seizures. the study therefore shows that glutamatergic astrocytes also play a role in the regulation of ... in movement control and could offer therapeutic targets for parkinson's disease.
references:
specialized astrocytes mediate ... study, published in the journal nature, open up new paths for the treatment of neurological diseases such as epilepsy or parkinson's ...
Notizia
Data notizia: Thu, 16/09/2021 - 12:00
... plays a
fundamental role in cognitive processes and information processing
. during sleep, computational processes such as the formation and consolidation of memory related to events that occurred during ... cells in regulating the sleep-wake cycle is demonstrated for the first time
.
these cells are involved in active immune defence in ... at the level of the hippocampus, a region that is crucial for the formation of long-term memory." this work helps
to unravel the mechanisms ... glia
2021 sep 6 doi: 10.1002/glia.24090
further information
cristina limatola department of physiology and pharmacology ... published in the journal glia, open up new perspectives for studying how the brain works
sleep-wake cycle: immune cells also ...
Notizia
Data notizia: Tue, 30/03/2021 - 12:00
percolation is the basis for understanding a wide range of critically important and very different ... and dispersion, that is, without a progressive loss of the information initially encoded in the wave.
"at the heart of the observed ... controlled. the study results thus open up
new scenarios for information and energy storage in the fields of photonics and electronics
. ...
further information:
ludovica falsi department of physics ludovica.falsi@uniroma1.it ... helps understand the behaviour of innovative materials for storing information and energy
a crystal housing a three-dimensional domino effect ...
Notizia
Data notizia: Mon, 11/01/2021 - 10:00
... it is well established that there is a high risk of thrombus formation, leading to devastating consequences such as pulmonary obstruction ... therapies, to cope with the complications of thrombus formation
and reduce the need for intensive care. a new study coordinated by francesco violi of the ... concomitant hypoalbuminemia inhibited blood coagulation.
for one week, 10 covid-19 patients already treated with anticoagulants were ... haemost
2020. doi: 10.1055/s-0040-1721486
further information
francesco violi department of clinical internal, ... sciences francesco.violi@uniroma1.it
while waiting for the development of a vaccine to defeat the disease, the research group ...
Notizia
Data notizia: Tue, 29/09/2020 - 10:45
... varies. the research is part of a series of studies that for decades has seen groups from all over the world engaged in compressing ... create, in the laboratory and at room temperature, a high-performing superconductor
that neither overheats nor disperses energy. these ... make the material particularly interesting
for applications in the energy and electronics
sector and in other contexts ... https://doi.org/10.1038/s41567-020-1009-3
further information
lorenzo monacelli department of physics ... of physics of sapienza university of rome is at the forefront in the worldwide challenge of hydrogen metallization. the study, ... country, is aimed at developing new highly efficient tools for electronics and the energy sector. the paper has been published on the ...
Notizia
Data notizia: Tue, 18/06/2019 - 12:15
... the university of british columbia (canada), the california institute of technology (usa) and the institute of radio astronomy of ... cannot be explained except with new radiation mechanisms. for this emission they are linked to the
rapid rotation of small grains of ... results, which allow to observe andromeda in its entirety for the first time and to analyze effects so far studied only in our galaxy, will allow us to
acquire more information
on the andromeda star formation, its magnetic field and the possibility that laser emissions are ... doi: https://doi.org/10.3847/2041-8213/ab21de
further information
elia stefano battistelli department of physics, sapienza ... the work, which allows to observe andromeda in its entirety for the first time, has been published on astrophysical journal letter
...
Notizia
Data notizia: Thu, 11/04/2019 - 14:15
la sapienza, in collaboration with the italian agency for development cooperation, the department of biological sciences of the ... activity must always be based on sharing ".
further information
simone sabatelli department of biology and biotechnology charles ... charles darwin in collaboration with the italian agency for development cooperation, the department of biological sciences of the ...
Notizia
Data notizia: Fri, 14/07/2023 - 15:15
... ecosystems. these processes are also leading to a
decline in what is known as nature's contributions to people
(ncps or ecosystem ... been observed that the
loss of biodiversity and the decline of several ncps
, such as climate regulation and pollination (defined ... ncps),
are progressing in parallel.
it has therefore become crucial to understand the spatial relationship between biodiversity ... of sapienza university carried out in collaboration with stanford university, estimates the
importance of regions with high biodiversity ... on three key regulatory ncps that are currently in decline: the regulation of air quality, climate and freshwater quantity. "our ... levels of ncps are present in regions with high biodiversity for all indicators, both in the present and different future scenarios,
... biodiversity value," marta cimatti continues,
"is crucial for the definition of conservation policies
and allows the identification of ... https://doi.org/10.1038/s41893-023-01179-5
further information
marta cimatti department of biology and biotechnology "charles ...
Notizia
Data notizia: Mon, 21/02/2022 - 12:00
... research by sapienza university and the max planck institute for the science of human history, published in the journal nature ecology and ... activities between 1250 and 1450 ad, i.e. 100 years before and 100 years after the pandemic.
the international team of scholars ... paleo-science and history group of the max planck institute for the science of human history and coordinated by alessia masi, a researcher ... of agricultural activities and the presence of wild plants before and after the pandemic.
land use due to farming activities and deforestation in pre-industrial times depended on the availability of labour: ... greece and central italy show a substantial agricultural decline, reflecting the high mortality rates already attested in many medieval ... urban areas where it was undoubtedly easier to collect information and keep records but were at the same time characterised by crowding ... -
nature ecology & evolution
(2022)
further information
alessia masi department of environmental biology ...
Notizia
Data notizia: Mon, 29/11/2021 - 12:00
... cerebral insulin resistance, are at the root of cognitive decline both during the normal ageing process and during the development of ... the policlinico gemelli foundation of rome, have highlighted for the first time that alterations in the insulin signal at brain level occur ... people".
"this work represents an important discovery for three main reasons", says marzia perluigi of sapienza university. "first, ... association
doi: 10.1002/alz.12499
further information
eugenio barone department of biochemical sciences "a. rossi ... paediatric hospital and fondazione policlinico gemelli, have for the first time highlighted the possibility of identifying, with a simple ...
Notizia
Data notizia: Thu, 09/09/2021 - 11:15
forest conservation and restoration are
important tools to counter threats ... habitat fragmentation and global change
. but to promote forest diversification and resilience, we must first understand the dynamics of ... macedonia, identifies and describes the response of numerous forest elements to climate change caused by glacial-interglacial oscillations ... importance of a wetland such as lake ohrid as a
refuge for plants during the less favourable climatic phases, i.e. arid and cold
. ... years ago, the area around lake ohrid was characterised by forests that gave way to a more open environment,
with grasses and shrubs ... also highlights how many trees had more or less rapid declines before disappearing. "the evaluation of long-term effects concerning global ... shows that the lake ohrid basin functioned as a refuge for both thermophilic and temperate tree species." according to the authors, ...
Notizia
Data notizia: Fri, 03/07/2020 - 12:00
... medicine.
their role in the susceptibility to hereditary forms of purely female neoplasms,
such as breast and ovarian cancer, is well ... also supported by airc foundation (italian foundation for cancer research), have been published on the prestigious scientific journal ... develop more and more gender-specific and personalised guidelines to ensure better clinical management for all patients."
references:
characterization of the cancer spectrum in men with germline brca1 and brca2 pathogenic variants: results from the consortium of ...
(2020) doi: 10.1001/jamaoncol.2020.2134
further information
laura ottini department of molecular medicine ... also supported by the airc foundation (italian foundation for cancer research), has shed light on the cancer spectrum occurring in men ...
Notizia
Data notizia: Wed, 12/02/2020 - 12:00
... by gianluca canettieri, aims to find a better cure for medulloblastoma. their discovery, published on the journal cell reports, proves that
phenformin,
a drug used in the past as an antidiabetic along with the better-known metformin
is able to stop the tumor growth
. to date, the therapeutic ... the team's work has revealed the reasons behind phenformin's biochemical inner workings. this molecule operates in a sort of ... tumor, that is, operating on cellular respiration, whereas, for the very first time, the study can prove that the most likely "mechanism" is a kind of backward-operating battery: phenformin "charges" the tumor cells to switch them off. "what happens in a cell treated with phenformin - says gianluca canettieri - is an oxidation-reduction process, that is, ... studies will confirm the preclinical evaluations,
phenformin itself could represent a new effective weapon against some forms of ...
Notizia
Data notizia: Mon, 18/11/2019 - 14:00
...
that has been living undisturbed in the pontine islands for two million years has been identified by a research group headed by the ... by a wide chromatic (including reticulated and uniform pattern and various shades of grey, green and brown). the discovery was ... and exclusively on the islands makes it a
species marked for conservation interest
. in fact, the insular populations are subject to ... probably became extinguished in the nineteen-thirties. therefore, it will be important to
plan monitoring activities
to evaluate ... on islands: on the origin and diversification of an ancient lineage of the italian wall lizard podarcis siculus in the western pontine ... w. & corti,c. -
acta herpetol
(2019)
further information
riccardo castiglia - riccardo.castiglia@uniroma1.it "charles ... that has been living undisturbed in the pontine islands for two million years has been identified by a research group headed by the ...
Notizia
Data notizia: Thu, 30/05/2019 - 12:15
... in some italian regions. an international group of over forty scientists, including paolo ciucci and luigi boitani from the department ... of alternative management approaches leaves too much leeway for subjective intuition; and, finally, many scientists are against the removal of hybrids as they fear this may provide a legal precedent for killing wolves. there is, however, a consensus on the
need to educate ... only because it is too complex to manage, seems to be an unforgiveable error."
references:
unravelling the scientific debate on ...
2019, 7:175. doi: 10.3389/fevo.2019.00175
further information
paolo ciucci department of biology and biotechnology "charles ... project results and an appeal to the scientific community for a shared management of the issue have been published on frontiers in ...
Notizia
Data notizia: Mon, 04/02/2019 - 15:00
... sleep latency test (mslt)
, the standard clinical test for the assessment of excessive daytime sleepiness. once awaken from the 5 naps ... related to the brain electrical activity of the minutes before awakening. "in this way - continues de gennaro - we could observe not only ... that open up potentially innovative perspectives for the identification of dream mechanisms, which come from the study of some ... 2019| https://doi.org/10.1002/acn3.718
further information
luigi de gennaro department of psychology - sapienza university ... by narcolepsy. the results of the study, which confirms for the first time the existence of shared brain mechanisms of the dream in ...
Notizia
Data notizia: Tue, 30/01/2018 - 11:00
... emilia, describes the exceptional discovery of sophisticated forms of cultivation wild cereals - about 10,000 years ago! - practiced by ... our path of cultural evolution, the
selection of plants for food
has not always been directed towards the traits that we recognize ... that do not fall once mature. every phase of global transformation must have forced plants and humans to face new challenges, innovate and develop ingenious adaptive strategies. the formidable climate changes that characterised the history of the sahara are an ... moving and demonstrates that wild cereals have been transformed, are human pressure and benefit from it during the phases of climate ...
, and
sorghum
have been manipulated by humans for thousands of years: their predisposition to be' weeds', that is plants that ... wild cereals in holocene sahara - anna maria mercuri, rita fornaciari, marina gallinaro, stefano vanin and savino di lernia -
nature ...
Notizia
Data notizia: Wed, 04/10/2023 - 15:15
... de condat. please click on the italian version of this page for more information.
on october 14 and 15, fai autumn days will be returning to over ... of classical art, one of the venues that will remain open for this very special occasion
fai autumn days 2023 presented at sapienza ...