Papilloma virus - potential cause of oropharyngeal and laryngeal cancers
Posts: Înscris: Dar se pare ca nu au fost citite. Nu ma deranjeaza sa reiau unele uinformatii. Deci: Vaccinul are denumirea comerciala Silgard, solutie injectabila intr-o seringa preumpluta.
Este recomandat pt. Poate fi folosit atat de persoane adulte cat si de catre adolescentii cu varste intre 9 si 15 ani.
Vaccinul este injectat de preferinta in brat in serii de o doza la 2 luni timp de 6 luni.
Involvement of Human Papillomavirus genome in oncogenesis of cervical cancer
Din pacate: 1. Utilizarea contraceptivelor hpv and cancer review afecteaza actiunea vaccinului. Over different types of HPV have been identified and each is known by a number.
Each type affects certain parts of the body: for example, Hpv and cancer review types 1, 2 and 4 are associated with the common warts that can arise on the hands and feet. Types 6 and 11 can cause genital warts. Some HPV types, most commonly types 16 and 18, can lead to abnormal changes in the cells of the cervix neck of the womb or uterus.
The virus infects basal epithelial cells of stratified squamous epithelium. HPV E6 and E7 oncoproteins are the critical molecules in the process of malignant tumour formation. Interacting with various cellular proteins, E6 and E7 influence fundamental cellular functions like cell cycle regulation, telomere maintenance, susceptibility to apoptosis, intercellular adhesion and regulation of immune responses. High-risk E6 and E7 bind to p53 and pRb and inactivate their functions with dysregulation of the hpv and cancer review cycle. Uncontrolled cell proliferation leads to increased risk of genetic instability.
The changes are known as CIN cervical intra-epithelial neoplasia. For many people, HPV infection is temporary and most people affected will not have any lasting cell changes.
CIN is not a cancer, but in some women it can develop into cancer over a number of years if it is left untreated.
Virusul Papiloma - potenţială cauză în cazul neoplasmelor orofaringian și laringian
How HPV is spread. HPV in the genital area is spread through skin contact, mainly during sexual contact. The virus can affect both men and women.
Many people do not have any symptoms and are unaware that they have HPV. For some people with particular types of HPV, visible warts occur.
These can be treated effectively see Treatment, below. The virus may be inactive for weeks, hpv and cancer review and, for some people, possibly even years after infection. HPV is more easily passed on to another person when there are visible warts present.
For this reason, whilst warts hpv and cancer review present and for at least three months after treatment, it is advisable to avoid touching the affected area during sex.
Often, exactly how hpv and cancer review person gets the virus is uncertain; and it is not always possible to find a sexual explanation. Some people believe that there may be other ways of spreading the virus that have not yet been identified. How it is diagnosed A woman may be told that she has HPV when she receives her cervical screening result.
If an HPV infection is present, changes in the appearance of the cells can sometimes be seen when they are looked at under a microscope during cervical screening. Some women with particular types of HPV may notice visible warts, which appear as flat smooth small bumps, or larger cauliflower-like lumps.
Warts do not lead to cancer and may appear on their own or in groups. They may itch, but are usually painless. Treatment of genital warts In most people HPV disappears hpv and cancer review its own.
However, visible warts may need to be treated. Treatment is usually given at a local genitourinary medicine clinic or sexual health clinic. Although external warts are sometimes clearly visible, sometimes it is possible to see them properly only by looking at the cervix through a special device like virusi oncogeni small microscope colposcope. Only obvious visible warts can be treated. Unfortunately there is no definite cure for HPV.
Warts may return after initial treatment, meaning hpv and cancer review the treatments may need to be repeated.
Implicarea genomului papiloma virusului uman (hpv) în oncogeneza cancerului cervical
After treatment After any treatment, hpv and cancer review area should be kept clean and dry. It is advisable to hpv and cancer review cotton underwear and loose clothing. Sexual intercourse should be avoided until the area has healed, which usually takes 2—4 weeks. However, there are things that you can do to help your immune system to fight the virus. Other factors such as cigarette smoking, or a lowered immune system, can encourage cell changes in the cervix.
Research A hpv and cancer review to prevent women from becoming infected with HPV is currently being developed. The results of trials with the vaccine have been good but it is still likely to be some years before the vaccine is available. You may find the treatments embarrassing and frightening, and may feel tense, tearful or withdrawn.
At times these feelings can be overwhelming and hard to control. Everyone has their own way of coping with difficult situations.
HPV o necunoscuta?
Some people find it helpful to talk to friends or family, while others prefer to seek help from people outside their situation. Others may prefer to keep their feelings to themselves. There is no right hpv and cancer review wrong way to cope, but help is available if you need it.
Deci astea fiind spuse, va rog sa impartasiti parerile.