We found that if C. minuta was added to the feces
of an obese human donor, the recipient mice were thinner than when C. minuta was not added.
The only grave goods with these Tarxien people (which have been dated by the radiocarbon method to around 2800 B.C.E.) were small, carefully modeled ceramic statuettes
of obese human figures.
But when injected into hundreds
of obese human volunteers, leptin's effect was clinically insignificant.
Those temples and the underground burial chambers related to them contained many images
of obese humans — some no larger than a few centimeters, others the size of giants — as well as of animals and phallic symbols.
But this goes beyond just rodents... they have also shown that there is probably also low - level inflammation occurring in the brains
of obese humans (6).
Not exact matches
We have a choice: agonize over the lost
of an energy
obese society or embrace a low energy, subsistence lifestyle that has worked for most
of humans over the centuries.
Researchers theorized that something similar might be going on in
obese humans, but when they began taking blood samples, they found that
obese people show very high levels
of leptin.
The large amounts
of fat around the testes
of obese mice, «could alter the environment and encourage epigenetic changes», says Teague, who presented the results at the 14th World Congress on
Human Reproduction in Melbourne, Australia, this month.
The level
of POPs needed to have an adverse affect in
humans is unknown, so it should not stop
obese people trying to lose weight, says Amanda Sainsbury - Salis at the Garvan Institute
of Medical Research in Sydney, Australia.
The scientists are now expanding their research to larger numbers
of animals and they are also planning a study to look at addiction - like behaviours in
obese people to see how well their results translate to
humans.
A common antioxidant found in
human breast milk and foods like kiwi fruit can protect against nonalcoholic fatty liver disease (NAFLD) in the offspring
of obese mice, according to researchers at the University
of Colorado Anschutz Medical Campus.
«Our knowledge gained from penguins provides novel insight into the gait mechanics
of humans with increased lateral movements, such as in pregnant women or
obese individuals,» he says.
«Perhaps supplementing the diet
of obese pregnant mothers with PQQ, which has proven safe in several
human studies, will be a therapeutic target worthy
of more study in the battle to reduce the risk
of NAFLD in babies,» Jonscher said.
In
humans, as in mice, fat cells
of the
obese already produced plenty
of leptin — more in fact than those
of their thin counterparts, since the level
of leptin was directly proportional to the amount
of fat.
In the
human abdominal adipose (fat) tissue
of lean individuals, the amounts
of Pellino3 are high, but in adipose tissue from
obese individuals the levels
of Pellino3 fall.
In both
human and laboratory studies, the offspring
of mothers who are
obese or consume a high - fat diet during pregnancy are much more likely to be overweight and have weight - related problems such as metabolic syndrome, diabetes and heart disease later in life.
To explore the relevance
of these results to
humans, the TSRI team worked with collaborating researchers in Australia to test fat samples from
obese humans and diabetics.
To determine how the drug works in the
human brain, Mantzoros and colleagues observed 48
obese men and women — half taking the drug, half taking a placebo — over the course
of a four - week experiment.
In previous studies, Chong Wee Liew, assistant professor
of physiology and biophysics in the UIC College
of Medicine, and his colleagues found that in
obese humans TRIP - Br2 was turned - up in visceral fat but not in subcutaneous fat.
Given that adipose tissue (which makes up between 15 and 20 %
of the body weight in healthy people) is a source
of inflammation in
obese individuals, Christine Bourgeois and Olivier Lambotte, from the University Paris SUD, France, and colleagues, decided to investigate a possible role
of the adipose tissue in
humans infected with HIV and in macaques infected with simian immunodeficiency virus (SIV, an HIV relative that causes AIDS - like disease in some non-human primates).
When the Cornell team cultured
human breast cancer cells on matrix deposited by fat - derived cells from
obese mice, the cancer cells grew faster than they did on the matrix
of cells from slimmer mice.
Based on the observation that
obese mice, rats, and
humans all had elevated serum concentrations
of a protein called GDF15 compared to lean controls, Yumei Xiong and colleagues set out to develop therapies derived from the molecule.
Cytos, a biotechnology company outside
of Zurich, Switzerland, is testing a different antighrelin vaccine in a clinical trial
of 112
obese humans; results, says Martin Bachmann, Cytos's chief scientific officer, will be available in November.
Skeletal muscle tissue also produces increased amounts
of iNOS and TNF - α in
obese compared with lean rodents and
humans (21, 71).
We estimate that the percentage
of macrophages in adipose tissue ranges from under 10 % in lean mice and
humans to over 50 % in extremely
obese, leptin - deficient mice and nearly 40 % in
obese humans.
The researchers concluded that WBV can mimic the benefits
of exercising regularly for muscle and bone health, and could potentially help morbidly
obese humans» metabolism.
Also in
humans who are
obese and diabetic, appear to have high expression
of PTP1B.
Symposia VI: Cardiovascular Benefits
of Exercise: Insights from
Human Studies The session will cover improving exercise tolerance in heart failure, reversal
of impaired cardiac function in
obese adolescents, the effect
of exercise on left ventricular compliance and diastolic function in the elderly and attenuating premature cardiovascular aging in Type 2 diabetes through exercise.
«From other research, a Mediterranean - style diet, richer in MUFA (from olive or rapeseed oils) and other unsaturated oils at the expense
of saturated fats, appears protective
of heart disease and cancer in
humans — even in overweight (but not
obese) subjects.
Both
obese humans and mice have significantly elevated soluble Fabp4 / aP2 levels, and injection
of recombinant Fabp4 / aP2 into lean wild type mice stimulates hepatic glucose production and gluconeogenesis.
In one recent study,
obese rats that ate the
human equivalent
of two cups
of wild blueberries per day for eight weeks experienced a significantly improved inflammatory response.
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«National Survey data shows that the prevalence
of overweight and
obese adults in the U.S. has increased steadily over the past three decades», said Youfa Wang, MD, PhD, lead author
of the study and associate professors with the Bloomberg School's Center for
Human Nutrition.
Researchers from the University
of Alabama at Birmingham found that
obese rats fed a high - fat, low - carb diet — comparable to what many
humans consume — had more damaging and deadly heart attacks than
obese rats fed a low - fat diet.
Humans: Trials Using the Intermittent Very Low Energy Approach: In overweight and / or
obese populations, the majority
of IER (60 - 85 % ER / alternate days) trials spanning four to 12 weeks have consistently demonstrated global improvements in cardiovascular risk markers, encompassing enhancements in glucose metabolism (described above) and lipid profiles 37 - 40, 42, 46, 49, 50 - 52 relative to baseline, which collectively would be expected to improve vascular function.
Now please think
of the last time you went to a mall: what percentage
of the
humans you saw there were overweight or
obese?
Leptin levels in
human and rodent: measurement
of plasma leptin and ob NAN in
obese and weight - reduced subjects.
The great news is that by adding fermented veggies into your foods, you are changing your gut health for better: «the composition
of the gut microbiota has been shown to differ in lean and
obese humans and animals and to change rapidly in response to dietary factors.
Altering the gut genome from
obese to lean has «long lasting effects» when combined with a «healthy diet high in fiber and low in saturated fats,» confirming multiple studies that show «that the food we eat has a direct relationship to the types
of bacteria produced in the
human digestive system;»
BMI is the measure
of body fat, based on height and weight
of humans of 18 - 65 years, which depending on the results may indicate if the person is overweight,
obese, underweight or normal.
The U.S. Department
of Health and
Human Services reports that overweight and
obese men often have weight loss success when following 1,200 - to 1,600 - calorie meal plans.
In the
human study,
obese people who lost weight increased their bacteroidetes, while the numbers
of firmicutes decreased.
Two studies supporting this theory — one looking at mice, the other using
humans — found that a family
of bacteria known as firmicutes was more plentiful in the
obese (20 percent more), whereas another bacteria called bacteroidetes was almost 90 percent lower in
obese subjects.
In
obese humans, substitution
of carbohydrate with protein leads to far greater weight loss, nearly twice as much.
Intriguing new research has indeed shown that it's possible
human metabolic rates are more evolutionary in origin than a reflection
of our modern lifestyles — confirming that what you choose to eat could be the most important factor in your risk
of becoming overweight or
obese.
On the other hand, if you have lower
human growth hormone levels than normal as a result
of the normal aging process, you can become
obese and be unable to burn off that excess fat and restore your muscle tone.
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 both animal and
human studies, it has been shown that an
obese person's (or animal's) microbiome allows for increased energy harvesting, or the extraction
of more calories from the diet.
Green coffee bean extract (GCBE) also contains chlorogenic acids, and a recent study found that GCBE supplementation reduced body fat and resting heart rate in
obese human subjects, though researchers weren't sure whether the caffeine content
of GCBE was partly responsible.»
Because
humans obtain most
of their vitamin D requirement from casual exposure to sunlight, the > 50 % decreased bioavailability
of cutaneously synthesized vitamin D3 in the
obese subjects could account for the consistent observation by us and others that obesity is associated with vitamin D deficiency.