Restriction mapping is a method used to map an unknown segment of DNA by breaking it into pieces and then identifying the locations of the breakpoints. This method relies upon the use of proteins ...

Reducing calorie intake in mouse tumour models improves anticancer immunity by enhancing metabolic and cytotoxic functions of specific immune cells, reports a new study published in the journal Nature ...

Restriction factors are cell-intrinsic genes expressed by the host that limit virus replication. Restriction factors are characterized by the rapid evolution of their coding sequences (under positive ...

Calorie restriction—in which people give up food for a whole day or drastically slash their caloric intake for a spell—is an unpleasant-sounding eating pattern. Yet a growing body of science suggests ...

The rate at which human cells age is influenced by multiple interconnected factors. New research examined how restricting calories influences telomere length and biological aging. Penn State ...

Scientists first observed the biological phenomenon of restriction and modification in the 1950s, but they did not identify and isolate restriction enzymes until the late 1960s. 3 In 1970, Hamilton ...

Real-world data suggest 5:2 intermittent fasting may offer modest cardiovascular benefits over calorie restriction in adults ...

Restricting your blood flow sounds like a dangerous thing to do, but it’s exactly what some Olympians, athletes, and surgery and physical therapy patients have done to strengthen their muscles and ...

Forget about super-sizing, a restricted-calorie diet may add health, youthfulness, and longevity to your life. 7 min read Looking to tack a few years on to the end of your life, or enjoy your golden ...

There are multiple ways a thermostatic expansion valve (TXV) can become restricted. Remember that a TXV becoming partially restricted will have the same symptoms as a restriction anywhere in the ...