Hoppa till huvudinnehåll

cyclin dependent kinase inhibitor 1B

Den CDKN1B gene provides instructions for making a protein called p27. This protein is found in cells and tissues throughout the body. Within cells, p27 is located primarily in the nucleus, where it plays a critical role in controlling cell growth and division. It helps regulate the cell cycle, which is the cell's way of replicating itself in an organized, step-by-step fashion. Specifically, p27 normally blocks cells from entering the phase of the cell cycle when DNA is copied (replicated) in preparation for cell division. By blocking cell cycle progression, p27 prevents cells from dividing too quickly or at the wrong time. Based on this function, p27 is described as a tumour suppressor protein. Studies suggest that p27 is also involved in controlling cell differentiation, which is the process by which cells mature to carry out specific functions.

Normal function

Den CDKN1B gene provides instructions for making a protein called p27. This protein is found in cells and tissues throughout the body. Within cells, p27 is located primarily in the nucleus, where it plays a critical role in controlling cell growth and division. It helps regulate the cell cycle, which is the cell's way of replicating itself in an organized, step-by-step fashion. Specifically, p27 normally blocks cells from entering the phase of the cell cycle when DNA is copied (replicated) in preparation for cell division. By blocking cell cycle progression, p27 prevents cells from dividing too quickly or at the wrong time. Based on this function, p27 is described as a tumour suppressor protein. Studies suggest that p27 is also involved in controlling cell differentiation, which is the process by which cells mature to carry out specific functions.

Because p27 plays such a key role in controlling cell division, its activity is tightly regulated. Regulation can occur through modification of the p27 protein's structure, its interaction with other proteins, or its localization within the cell. For example, when p27 is held (sequestered) in the fluid that surrounds the nucleus (the cytoplasm) instead of being transported into the nucleus, the protein is unavailable to block cell cycle progression. Researchers believe that p27 may have other functions in the cytoplasm, but these functions have not been well described.

Conditions referring to this gene or chromosome

Other names

CDKN4

CDN1B_HUMAN

cyclin-dependent kinase inhibitor 1B

cyclin-dependent kinase inhibitor 1B (p27, Kip1)

KIP1

MEN1B

MEN4

P27KIP1

Related patient information and medicines

Pomfolyx

Patient information leaflet

Pomfolyx

Pompholyx is a type of eczema where there are itchy blisters on the hands and feet, followed by inflamed and dry skin. The condition is usually long-term, with symptoms that come and go at various times. In some cases it has been shown to be helpful for the treatment of pompholyx. Janus Kinase (JAK) inhibitors : these medications, available as.

Muncancer

Patient information leaflet

Muncancer

Epidermal growth factor receptor monoclonal antibody (EGFR mAb) is one form of targeted therapy. Cetuximab is an EGFR mAb. Tyrosine kinase inhibitors (TKIs) are another. Immunotherapy is treatment that aims to boost the body's own immune system to destroy the cancer cells. It is also sometimes called biological therapy: Recombinant interleukin.

Kronisk myeloisk leukemi

Patient information leaflet

Kronisk myeloisk leukemi

Kronisk myeloisk leukemi (KML) is sometimes called chronic myelogenous leukaemia, chronic granulocytic leukaemia, or chronic myelocytic leukaemia. What is... You may be advised to have one or more of the following treatments: Imatinib tablets. This medicine is known as a tyrosine kinase inhibitor. The chemical tyrosine kinase is made by the.

Myelofibros

Patient information leaflet

Myelofibros

It's not known what causes the genetic mutation in blood stem cells. The gene mutation that occurs in most people affected by myelofibrosis is a mutation in Janus Kinase 2 (JAK2). Other gene mutations may also be associated with myelofibrosis. These medicines ... A group of medicines called JAK inhibitors (JAKi) may be given to some people with.

Ankyloserande spondylit

Patient information leaflet

Ankyloserande spondylit

Ankyloserande spondylit is a chronic inflammatory arthritis. What is ankylosing spondylitis. Ankylosing spondylitis (AS) is a persistent (chronic) inflammatory arthritic disease. The word spondylitis means inflammation of the spine. The type of inflammation in AS causes the affected joints to join together, therefore reducing mobility. Ankylosing.

Alfablockerare

Patient information leaflet

Alfablockerare

Alfablockerare är medicines that are mainly used to treat high blood pressure (hypertension) and problems with passing urine in men who have enlargement of the prostate gland. Prostate gland enlargement is also called benign prostatic hyperplasia (BPH). What are alpha-blockers used for. In the past, some alpha-blockers were also used to treat.

Vidare läsning och referenser

Artikelhistorik

Informationen på denna sida är skriven och granskad av kvalificerade kliniker.
  • 18 aug 2020 | Senaste versionen
  • 1 Aug 2013 | Ursprungligen publicerad

Delta i konversationen

Dela dina tankar eller erfarenheter med andra i vår patientgemenskaper.

Ansvarsfriskrivning: The views expressed in the community do not represent medical advice. For any health concerns, consult your GP or healthcare provider.
influensaberättigandekontroll

Fråga, dela, anslut.

Bläddra i diskussioner, ställ frågor och dela erfarenheter inom hundratals hälsorelaterade ämnen.

Anmäl dig till Patientens nyhetsbrev

Din veckovisa dos av tydliga, pålitliga hälsoråd - skrivna för att hjälpa dig känna dig informerad, självsäker och i kontroll.

Vänligen ange en giltig e-postadress

Genom att prenumerera accepterar du våra Sekretesspolicy. Du kan avsluta prenumerationen när som helst. Vi säljer aldrig dina uppgifter.