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Fruit flies use two muscles to control pitch for stable flight
果蝇 两块肌肉 稳定飞行 昆虫生理学
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2023/5/18
The flight of insects may look effortless but, as with any animal, their movements would be wildly uneven without an intricate system of neural signaling and muscle response to stabilize and steer the...
New gene-transport system gets more drugs to sick muscles（图）
基因运输系统 肌肉疾病 药物输送
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2023/6/21
When Sharif Tabebordbar was a teenager, his father began having trouble walking. Soon, he became wheelchair-bound and was diagnosed with a rare genetic muscle disease.
In Sex-Changing Fish,Male-Typical Sexual Behavior Associated With Elevated Expression Of Male Sex Hormone Receptors In Muscles
Sex-Changing Fish Male-Typical Sexual Behavior Male Sex Hormone Receptors Muscles
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2017/7/21
Sex-changing fish exhibit differences in androgen receptor (AR) expression in muscles that are highly sensitive to androgens (male sex hormones) and essential for male courtship behavior, according to...
Small but Mighty:Fruit Fly Muscles
Small but Mighty Fruit Fly Muscles
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2017/2/16
Now, new research from Caltech provides the first understanding into how so few muscles produce such complex flight.The findings, an advance at the intersection of biomechanics and neurobiology, are d...
β-alanine supplementation improves isometric endurance of the knee extensor muscles
β-alanine Carnosine Isometric endurance
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2015/7/23
=We examined the effect of four weeks of β-alanine supplementation on isometric endurance of the
knee extensors at 45% maximal voluntary isometric contraction (MVIC).
Tiny muscles help bats fine-tune flight, stiffen wing skin
Tiny muscles bats fine-tune flight stiffen wing skin
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2014/6/19
Bats appear to use a network of hair-thin muscles in their wing skin to control the stiffness and shape of their wings as they fly, according to a new study. The finding provides new insight about the...
X-ray fiber diffraction modeling of structural changes of the thin filament upon activation of live vertebrate skeletal muscles
Thin filament Ca2+-regulation skeletal muscle X-ray fiber diffraction
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2010/12/2
In order to clarify the structural changes of the thin filaments related to the regulation mechanism in skeletal muscle contraction, the intensities of thin filament-based reflections in the X-ray fib...
Investigation of Forces and Stresses Acting on a Shoulder-Hand System Considering Strains in Muscles
Biomechanical modeling Humerus bone Stresses on shoulder-hand system
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2009/10/9
A model is proposed to investigate the forces and stresses acting on bones in a shoulder-hand system due to straining of muscles during daily physical activities. This model is proposed as a truss sys...
Effects of Castration on Androgen Receptor, IGF-I Ea, MGF and Myostatin Gene Expression in Skeletal Muscles of Male Pigs
Pig Castration Skeletal Muscle Molecular Cloning Gene Expression
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2016/4/29
Castration of male pig produces significant negative effects on skeletal muscle development. The androgen receptor (AR), two splice variants of insulin-like growth factor-I (IGF-I Ea and MGF) and the ...
Stability of Proteasomes Extracted from Pressurized, Aged Skeletal Muscles
High Pressure Proteasome Meat Aging Meat Tenderization Intramuscular Proteinases
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2016/4/29
The present paper describes the effects of pressure and post-mortem aging treatments on in situ proteasome activity in rabbit and bovine skeletal muscles. Synthetic peptide hydrolyzing activity of rab...
Frog muscles survive big sleep（图）
zoology Frog
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2007/5/11
10 May 2007，A rare Australian frog that burrows underground for a summer siesta resurfaces more than nine months later in just as good a shape as before its rest, according to University of Queensland...
Gel Color and Texture of Surimi-like Pork from Muscles at Different Rigor States Post-mortem
Surimi-like Pork Gel Color Texture Muscle Rigor States
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2016/4/26
Gels were made from surimi-like pork (SLP) made from muscles obtained at 1, 24 and 72 h post-mortem. The SLP from pre-rigor muscle had higher pH and moisture percentage compared to in- or post-rigor m...
Analysis of Differentially Expressed Proteins in Bovine Longissimus Dorsi and Biceps Femoris Muscles
Longissimus Dorsi Biceps Femoris Skeletal Muscle Proteome Cattle
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2016/4/22
Skeletal muscle contains slow and fast twitch fibers. These skeletal muscle fibers express type I and type II myosin, respectively, and these myosin isoenzymes have different ATPase activity. The aim ...
Fatty Acid Profiles and Sensory Properties of Longissimus dorsi, Triceps brachii, and Semimembranosus Muscles from Korean Hanwoo and Australian Angus Beef
Beef Fatty Acid Profile Sensory Traits Consumer
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2016/4/20
The study compared the fatty acid profiles of 3 muscles (Longissimus dorsi, LD, Triceps brachii, TB and Semimembranosus, SM) obtained from Korean Hanwoo (18 steers, 24 months old) and Australian Angus...
Fatty Acid Profiles of Various Muscles and Adipose Tissues from Fattening Horses in Comparison with Beef Cattle and Pigs
Horse Cattle Pig Muscle Adipose Tissue Fatty Acids
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2016/4/20
The present studies were designed to provide new information on fatty acid profiles of various muscles and adipose tissues of fattening horses in comparison with beef cattle and pigs. In the first stu...