The Wyss team believes the ability of the human gut - on - a-chip to culture the microbiome with
human gut cells also holds promise for the field of precision medicine, where a patient's own cells and gut microbiota could one day be cultured inside a gut - on - a-chip for testing different therapies and identifying an individualized treatment strategy.
Not exact matches
A 2012 study found that consuming maltodextrin increased bacterial adhesion to
human intestinal epithelial
cells and enhanced E. coli adhesion, which is associated with autoimmune disorders and dybiosis in your
gut.
Few biological mechanisms may explain the inverse relationship between breastfeeding and leukemia including more favorable microbiome in an infant's
gut and natural - killer and stem
cells in
human milk.
Studies from our group have demonstrated that TGF - β can attenuate the inflammatory response in fetal
human enterocyte
cell lines (13), a platform that recapitulates the infant
gut response in vitro.
«Cultural revolution in the study of the
gut microbiome:
Human gut - on - a-chip technology used to co-culture gut microbiome, human intestinal cells could lead to new therapies for inflammatory bowel diseases.&r
Human gut - on - a-chip technology used to co-culture
gut microbiome,
human intestinal cells could lead to new therapies for inflammatory bowel diseases.&r
human intestinal
cells could lead to new therapies for inflammatory bowel diseases.»
With our
human gut - on - a-chip, we can not only culture the normal
gut microbiome for extended times, but we can also analyze contributions of pathogens, immune
cells, and vascular and lymphatic endothelium, as well as model specific diseases to understand complex pathophysiological responses of the intestinal tract.»
In this latest advance reported in PNAS, the Wyss team showed that the
human gut - on - a-chip's unique ability to co-culture intestinal
cells with living microbes from the normal
gut microbiome for an extended period of time, up to two weeks, could allow breakthrough insights into how the microbial communities that flourish inside our GI tracts contribute to
human health and disease.
A study published by
Cell Press October 16th in
Cell now reveals that
gut microbes in mice and
humans have circadian rhythms that are controlled by the biological clock of the host in which they reside.
The
human gut consists of up to 100 trillion microbial
cells that influence metabolism, nutrition and immune function.
Harmless versions of E. coli swarm by the trillion in every healthy
human's
gut and can outnumber a newborn's own
cells by ten to one.
And perhaps surprisingly, these molecules are not produced by
human cells, but by a person's
gut microbes as they process food in the diet.
Studies of IBD are typically performed using
cell culture experiments or animal models, which don't mimic the precise conditions that occur in the
gut of
human patients.
In a double - barreled discovery, Brady and co-investigator Louis Cohen found that
gut bacteria and
human cells, though different in many ways, speak what is basically the same chemical language, based on molecules called ligands.
«
Gut bacteria that «talk» to
human cells may lead to new treatments.»
«The new model enables studies of the complex interactions between host
cells, mucus production, and
gut microbes in a system that closely mimics the situation in
human patients,» Dawson said.
One postdoc presents data on her efforts to develop an organoid model for small -
cell lung cancer; another reports progress on culturing hormone - secreting organoids from
human gut tissue.
In a study, researchers found that pigs, which have
gut bacterial profiles and immune systems similar to
humans, also maintain two distinct colonic stem
cell populations — ASCL - 2 and BMI - 1.
Billions of microbial
cells live in the
guts of
humans and other animals.
«
Gut flora keeps us all healthy by helping the immune system develop, and by stimulating a group of immune
cells that keep bacteria in check,» said senior author Barton F. Haynes, M.D., director of the Duke
Human Vaccine Institute.
These organoids form all of the
cell types present in
human intestine, but they grow as cysts surrounded by thick extracellular matrix gels with their «apical»
cell surface (which is normally exposed to the content of the
gut) facing an enclosed lumen.
Most of the genes in the
human body do not come from
human cells but are found within the trillions of microbes that live on or within the
human body, particularly in the
gut.
Although this
human Gut Chip recreated the villus epithelium of normal intestine and enabled new insights into how flow and cyclic peristalsis affects intestinal differentiation and function, it could not be used to study processes that relied on normal intestinal
cells from individual donors, which, for example, is crucial for studying patient - specific responses for personalized medicine.
Scientists have scoured cow rumens and termite
guts for microbes that can efficiently break down plant
cell walls for the production of next - generation biofuels, but some of the best microbial candidates actually may reside in the
human lower intestine, researchers report.
Scientists are only beginning to understand what role the billions of microbial
cells colonizing the
human gut play in diet and disease.
While E. coli bacteria are part of the
human gut flora and usually not pathogenic, the strains classed together as EHEC produce a dangerous Shiga toxin that enters the
cells in the
gut and inhibits protein synthesis by cleaving ribosomal RNA.
The investigators chemically induced colitis in mice, then added fungi to see whether the fungal
cells would overgrow in the mouse
gut and increase the severity of the illness, as they are suspected of doing in
human IBD.
Human flu strains can infect both kinds of
cells, but avian flu strains can bind to and infect only the ciliated kind, which are similar to
cells in the airway and the
gut of birds.
When BMP protein was added for three days in
human pluripotent stem
cell - derived
gut tube cultures, it induced a posterior HOX code.
These
cells are localized in the
gut lamina propria and require the presence of B
cells in the same location both in
humans and in mice.
The 100 trillion microbes in the
human gut — which vastly outnumber the «
human»
cells in our bodies — are critical to our health and development.
ANN ARBOR, Mich — By combining engineered polymeric materials known as hydrogels with complex intestinal tissue known as organoids — made from
human pluripotent stem
cells — researchers have taken an important step toward creating a new technology for controlling the growth of these organoids and using them for treating wounds in the
gut that can be caused by disorders such as inflammatory bowel disease (IBD).
Two bacterial species that inhabit the
human gut activate immune
cells to boost the effectiveness of a commonly prescribed anticancer drug, researchers report Oct..
The meeting will also feature other aspects of the
Human Cell Atlas initiative, including updates on progress so far towards atlases of tumour, lung,
gut, kidney and immune system
cells.
The co-incidence of these 2 pathologies occurs also in
humans suggesting a common pathological mechanism moving across the
gut - joint axis, with TNF signals acting on specific
cell types directing pathogenesis at two different locations.
Here we show that T
cells that express the canonical hValpha7.2 - Jalpha33 or mValpha19 - Jalpha33 TCR rearrangement are preferentially located in the
gut lamina propria of
humans and mice, respectively, and are therefore genuine mucosal - associated invariant T (MAIT)
cells.
Human embryonic stem
cells can turn into a variety of different
cell types, including (A)
gut, (B) neural
cells, (C) bone marrow
cells, (D) cartilage, (E) muscle, and (F) kidney
cells.
Human embryonic stem
cells grown at the University of Wisconsin - Madison randomly changed into
cell types found in the A)
gut B) brain C) bone marrow D) cartilage E) muscle F) kidney Scientists haven't learned to control the development.
To explore the microbiome's response to non-antibiotic drugs, the researchers individually tested nearly 1,200 medications — 835 of which have
human -
cell targets — on 38 species of
gut bacteria in vitro.
However, this may be linked to previous observations suggesting a higher presence of vegetative
cells when Clostridium is located in the
human gut as compared to soil environments, where the conditions are stressful [28].
This intelligent bacterial ecosystem in your
gut makes up the majority of your immune system, and your body actually contains 10 times more bacterial
cells than
human cells!
With your
gut containing 100 trillion bacteria, and there being 10 trillion
human cells, you are, in fact, 10 times more bacteria than
human!
Just like we realize now that our
gut isn't just
human cells but actually contains more bacterial
cells than our own
cells, we have to realize that our health depends on what's outside our own bodies — like our environment and the community of people we surround ourselves with.
The
human gut contains 10 times more bacteria than all the
human cells in the entire body, with over 400 known diverse bacterial species.
It makes perfect sense that
gut health would have such a dramatic impact on all aspects of health, since the body has more bacterial
cells in the
gut than it does
human cells in the entire body.
The poison is not specific to insects and also pokes holes in
human cells, damaging the intestines and causing leaky
gut.
The microbiome has become an important consideration, and particularly, the
gut, which houses at least 10 times as many
human cells as there are in our bodies, and 150 times as many genes as are in our genome.
We have 10 times more bacteria in our
gut than we have
cells in our bodies and this bacteria makes up 99 % of the DNA in our bodies... which means only 1 % of our DNA is
human!
Conversely, when spexin levels are regulated,
gut motility improves along with food intake, energy metabolism, and regulation of fat storage, particularly long chain fatty acid uptake in fat
cells.6 Walewski, J. L., et al. «Spexin is a novel
human peptide that reduces adipocyte uptake of long chain fatty acids and causes weight loss in rodents... continue
Butyric acid, which is produced in the
gut flora, suppresses the survival of
human color adenoma
cells.
It's said that
humans are only 10 %
human; we have 10 trillion
human cells and 100 trillion bacterial
cells, many of which reside in our
gut.