Surprisingly, the effects of obesity on gut bacteria, inflammation, and osteoarthritis were completely prevented when the high fat
diet of obese mice was supplemented with a common prebiotic, called oligofructose.
Not exact matches
In a study published in the journal Food Chemistry in 2014, a team
of researchers analyzed how the bioactive compounds
of seven different varieties
of apples - Granny Smith, Braeburn, Fuji, Gala, Golden Delicious, McIntosh and Red Delicious - affected the good gut bacteria
of diet - induced
obese mice.
Handa, T., Yamaguchi, K., Sono, Y., and Yazawa, K. Effects
of fenugreek seed extract in
obese mice fed a high - fat
diet.
BYE BYE BUDS
Mice that became obese on a high - fat diet (right) lost a quarter of their taste buds (stained red) and also had fewer progenitor cells (stained green)-- which give rise to new taste buds — than mice of a healthy weight on a regular diet (le
Mice that became
obese on a high - fat
diet (right) lost a quarter
of their taste buds (stained red) and also had fewer progenitor cells (stained green)-- which give rise to new taste buds — than
mice of a healthy weight on a regular diet (le
mice of a healthy weight on a regular
diet (left).
«Importantly, we found that blocking the actions
of the endocannabinoids with pharmacological inhibitors
of cannabinoid receptors in the periphery completely normalized food intake and meal patterns in western
diet - induced
obese mice to levels found in control lean
mice fed standard chow.»
«We did not do it using a genetic strain
of obese mice, but
mice that became
obese the way that people do, by eating a high - fat, high - sugar
diet.»
Research conducted at the University
of Barcelona showed that
obese mice living on a
diet enriched with omega - 3s displayed improved sensitivity to insulin.
To explore that question, a team led by Cornell University biomedical engineer Claudia Fischbach first showed that female
mice that were
obese, because
of genetics or a high - fat
diet, had more fibrous mammary fat pads with straighter collagen fibers than those seen in lean
mice (see image).
We examined six experimental groups
of 20 - week - old C57BL / 6J
mice: (a) lean C57BL / 6J female
mice, (b) lean C57BL / 6J male
mice, (c) moderately
obese C57BL / 6J male
mice with
diet - induced obesity, (d) moderately
obese female B6.Cg Ay / +
mice, (e) severely
obese female B6.V Lepob / ob
mice, and (f) severely
obese male B6.V Lepob / ob
mice.
We calculated the average adipocyte cross-sectional area and the percentage
of F4 / 80 - expressing cells in the perigonadal, perirenal, mesenteric, and subcutaneous inguinal adipose tissue depots from Ay / + female, Lepob / ob female, lean male, and
diet - induced
obese (DIO) male
mice.
In our previous study we found that a high fat
diet containing comparable amounts
of soybean oil to what Americans are currently consuming caused
mice to become
obese, diabetic and insulin resistant and to have large lipid droplets and hepatocyte ballooning in their livers.
Just 12 weeks
of the high fat
diet made
mice obese and diabetic, nearly doubling their body fat percentage compared to
mice fed a low fat, healthy
diet.
The results
of this initial study, and the description
of the use
of these two
diets are presented in the paper by (4) Van Heek et al (1997), «Diet induced
obese mice develop peripheral, but not central resistance to leptin».
The study found that feeding
obese, pre-diabetic
mice a specialized
diet low in the amino acids leucine, isoleucine and valine promoted leanness and improved the regulation
of blood sugar.
Over an eight - week period, a control group
of mice fed a high - fat
diet predictably became
obese, but the
mice whose Hedgehog pathway had been activated didn't gain any more weight than another control group fed on a normal
diet.
The activation
of a protein pathway in fat cells in the
mice allowed the animals to be fed a high - fat
diet without becoming
obese.
Lean and
diet - induced
obese mice were used to characterize single - dose in vivo pharmacological effects
of IRAB - A; multiple - dose IRAB - A effects were tested in
obese mice.
Obese mice that ate a high - fat
diet along with the green tea compound EGCG (Epigallocatechin -3-gallate) gained weight significantly more slowly compared to a control group
of mice which didn't get the green tea supplement.
In a study
of obese mice that received a
diet rich in either coconut or safflower oil,
mice that received the coconut oil were found to have made much less fat cells than
mice that received the safflower oil.
This idea is supported by animal studies, showing that
mice without any bacteria in their intestines had lower amounts
of body fat, and did not become
obese or insulin resistant when put on a high - fat
diet.
Male C57BL / 6J
obese mice fed a high - fat
diet for 12 weeks and genetically diabetic db / db
mice at an age
of 6 weeks received dietary C3G supplementation (0.2 %) for 5 weeks.
Green tea -LRB--)- epigallocatechin -3-gallate reduces body weight with regulation
of multiple genes expression in adipose tissue
of diet - induced
obese mice
One - half
of the
mice on the HF
diet developed obesity (
diet - induced
obese (DIO)
mice), whereas the remaining
mice were
diet resistant (DR).
In a later step
of this study, microbiota from
obese mice fed with a western
diet were transferred to the microbiota - free
mice.
In rodents, ketogenic
diets reduce reactive oxygen species in the brain34 and reduce central inflammation and reactive oxygen species in a model
of multiple sclerosis.35 Two clinical papers have found that ketogenic
diet feeding
of 12 weeks to 6 months reduced signs
of liver inflammation in
obese patients with nonalcoholic fatty liver disease (in addition to improving various other physiological and biochemical variables).36, 37 Unfortunately, basic research into non-alcoholic fatty liver disease has been hampered by species differences between
mice and humans in their hepatic reaction to ketogenic
diets.38
in 2016, genetically identical
mice that consumed a high - fat
diet were more likely to produce
obese offspring with impaired glucose tolerance, an early sign
of type 2 diabetes.
When
mice are
obese and they are allowed to eat as much
of they want
of a high fat
diet, they gained twice as much weight as the non
obese mice eating the same high fat
diet.
All we have to go on is preclinical data in
mice (and many
of these
mice are
obese and raised in crowded cages6), and we must remember this, especially with patients and their families who are at wit's end because they are unable to effectively follow the
diet.