Vaccination

HPV vaccine shows success in gay, bisexual men

A study by Monash University and Alfred Health found a 70 percent reduction in one type of human papillomavirus (HPV) in gay and bisexual men after the implementation of the school-based HPV vaccination program.

Genetics

Should you take fish oil? Depends on your genotype

Fish oil supplements are a billion-dollar industry built on a foundation of purported, but not proven, health benefits. Now, new research from a team led by a University of Georgia scientist indicates that taking fish oil ...

Genetics

Romantic relationship dynamics may be in our genes

Variations in a gene called CD38, which is involved in attachment behavior in non-human animals, may be associated with human romantic relationship dynamics in daily life, according to a study published in Scientific Reports.

Diseases, Conditions, Syndromes

Identification of stomach flu culprit

Norovirus is a major cause of acute gastroenteritis, with at least 49 different norovirus genotypes. GII.4 genotype is responsible for the majority of norovirus epidemic outbreaks. The genotypes associated with medically-attended ...

Diseases, Conditions, Syndromes

Mavyret approved as 8-week treatment for hep C, compensated cirrhosis

(HealthDay)—Approval of Mavyret (glecaprevir and pibrentasvir) tablets has been expanded to eight-week treatment for treatment-naive patients aged 12 years and older with chronic hepatitis C virus (HCV) genotypes 1 through ...

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Genotype

The genotype is the genetic constitution of a cell, an organism, or an individual (i.e. the specific allele makeup of the individual) usually with reference to a specific character under consideration. For instance, the human albino gene has two allele forms, dominant A and recessive a, and there are three possible genotypes- AA (homozygous dominant), Aa (heterozygous), and aa (homozygous recessive).

It is a generally accepted theory that inherited genotype, transmitted epigenetic factors, and non-hereditary environmental variation contribute to the phenotype of an individual.

Non-hereditary DNA mutations are not classically understood as representing the individual's genotype. Hence, scientists and physicians sometimes talk for example about the (geno)type of a particular cancer, that is the genotype of the disease as distinct from the diseased.

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