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Please explain!

Forums General Melanoma Community Please explain!

  • Post
    keepsmiling
    Participant

      Hi there

       

      A friend of mine has been diagnosed with Stage 4 liver cancer.

      The terms Braf postive and negative have been mentioned, and they have now been told they are Braf negative.

       

      What does this mean?
      Is it better to be negative rather than postive?

      I dont want to bombard them with questions directly..hope you can shed some light.

    Viewing 5 reply threads
    • Replies
        Janner
        Participant

          As it relates to melanoma (and most likely liver cancer), being BRAF positive isn't good or bad directly.  However, there are new drugs that target the BRAF genetic mutation found on tumors.  So a person who has a BRAF positive tumor may be a candidate for receiving a drug that targets the BRAF mutation.  A BRAF negative person would not respond at all to these drugs.  At least as far as melanoma is concerned, the BRAF drugs can work very quickly and miraculously, but often stop working after a period of time.  I do not know how other cancers respond to the BRAF drugs – each cancer and treatment have different characteristics.

          Janner
          Participant

            As it relates to melanoma (and most likely liver cancer), being BRAF positive isn't good or bad directly.  However, there are new drugs that target the BRAF genetic mutation found on tumors.  So a person who has a BRAF positive tumor may be a candidate for receiving a drug that targets the BRAF mutation.  A BRAF negative person would not respond at all to these drugs.  At least as far as melanoma is concerned, the BRAF drugs can work very quickly and miraculously, but often stop working after a period of time.  I do not know how other cancers respond to the BRAF drugs – each cancer and treatment have different characteristics.

            Janner
            Participant

              As it relates to melanoma (and most likely liver cancer), being BRAF positive isn't good or bad directly.  However, there are new drugs that target the BRAF genetic mutation found on tumors.  So a person who has a BRAF positive tumor may be a candidate for receiving a drug that targets the BRAF mutation.  A BRAF negative person would not respond at all to these drugs.  At least as far as melanoma is concerned, the BRAF drugs can work very quickly and miraculously, but often stop working after a period of time.  I do not know how other cancers respond to the BRAF drugs – each cancer and treatment have different characteristics.

              kpcollins31
              Participant

                BRAF positive or negative refers to whether or not the cancerous tumor has a BRAF mutation. If you are BRAF-positive (i.e., you have the genetic mutation), then there are additional treatment options available (vemurafenib aka Zelboraf and dabrafenib aka Tafinlar). Being BRAF negative means that those treatments would not be available, but there are always others. Not sure if you are talking about melanoma that has spread to the liver or liver cancer in its own right. 

                Kevin

                  

                kpcollins31
                Participant

                  BRAF positive or negative refers to whether or not the cancerous tumor has a BRAF mutation. If you are BRAF-positive (i.e., you have the genetic mutation), then there are additional treatment options available (vemurafenib aka Zelboraf and dabrafenib aka Tafinlar). Being BRAF negative means that those treatments would not be available, but there are always others. Not sure if you are talking about melanoma that has spread to the liver or liver cancer in its own right. 

                  Kevin

                    

                    keepsmiling
                    Participant

                      It was initially skin melanoma that was diagnosed 2 years ago, but recently found to have spread to the liver.

                      Thanks for the replies

                      keepsmiling
                      Participant

                        It was initially skin melanoma that was diagnosed 2 years ago, but recently found to have spread to the liver.

                        Thanks for the replies

                        mitchwendy
                        Participant

                          ugh. hearing about melanomas that have then spread are scary!

                          wonder what kind of testing they had done 2 yrs ago when it was 'just' on the skin and if there was anyway they could have known then they maybe didnt get it all – if thats the case.

                          mitchwendy
                          Participant

                            ugh. hearing about melanomas that have then spread are scary!

                            wonder what kind of testing they had done 2 yrs ago when it was 'just' on the skin and if there was anyway they could have known then they maybe didnt get it all – if thats the case.

                            JerryfromFauq
                            Participant

                              6th attempt to reply to the original post. This post  is a test and is  not SPAM!!!!!

                              JerryfromFauq
                              Participant

                                6th attempt to reply to the original post. This post  is a test and is  not SPAM!!!!!

                                JerryfromFauq
                                Participant

                                  6th attempt to reply to the original post. This post  is a test and is  not SPAM!!!!!

                                  JerryfromFauq
                                  Participant

                                    First, Your friend has NOT been diagnosed with liver cancer!  They have been diagnosed with Melanoma that has spread (metastasized) to the liver. (Different DNA mutations involved.)  Two years ago (and still currently) it was/is not common to run the expensive DNA mutation tests on stage 1 or Stage 2 people.  Hopefully as the costs come down, this testing will increase.

                                    The BRAF gene provides instructions for making a protein that helps transmit chemical signals from outside the cell to the cell's nucleus.  This protein plays a role in regulating the MAP kinase/ERKs signaling pathway, which affects cell division, differentiation, and secretion—-.

                                       The BRAF Gene and protein provide necessary functions for the human body.   Changes in the protein and DNA changes (mutations) in this gene permit uncontrolled cell reproduction  (vice apoptosis – normal cell death)  When a specific test is run for a specific DNA mutation is run, the result for that specific DNA mutation is positive (present) or negative (Not found.)   In this case it is usually assumed that the BRAF is 'normal', ie called "wild type BRAF". 

                                    .Researchers are learning that specific targeted treatments can interrupt/block certain points in the signaling paths.  Sometimes permanently, sometimes temporarily, sometimes not at all, depending upon the individual. This is why an overall vaccine is currently impossible to develop for melanoma, much less for "cancer" in general.  

                                         What is good about knowing the positive or negative status of one's DNA mutation is that it can help one know what treatments are more likely to be beneficial to one or will be a waste of time and effort to try.  Treatments have their own negative side effects and can harm one that receives them whether or not they are also beneficial.  Preferably one day we will know what treatment will work on which of the mutations and on which cancers.

                                         It is NEVER known if they "GOT IT ALL" inspite of the doctors saying this.  What they mean is that they got clear margins on that tumor, not that they got all the melanoma cells from ones body.  There is NO way/test to verify that all have been removed from everywhere in the body.  This is why I would like to see studies showing that a low level adjuvant treatment could help eliminate the miscellaneous hiding cells.

                                    JerryfromFauq
                                    Participant

                                      First, Your friend has NOT been diagnosed with liver cancer!  They have been diagnosed with Melanoma that has spread (metastasized) to the liver. (Different DNA mutations involved.)  Two years ago (and still currently) it was/is not common to run the expensive DNA mutation tests on stage 1 or Stage 2 people.  Hopefully as the costs come down, this testing will increase.

                                      The BRAF gene provides instructions for making a protein that helps transmit chemical signals from outside the cell to the cell's nucleus.  This protein plays a role in regulating the MAP kinase/ERKs signaling pathway, which affects cell division, differentiation, and secretion—-.

                                         The BRAF Gene and protein provide necessary functions for the human body.   Changes in the protein and DNA changes (mutations) in this gene permit uncontrolled cell reproduction  (vice apoptosis – normal cell death)  When a specific test is run for a specific DNA mutation is run, the result for that specific DNA mutation is positive (present) or negative (Not found.)   In this case it is usually assumed that the BRAF is 'normal', ie called "wild type BRAF". 

                                      .Researchers are learning that specific targeted treatments can interrupt/block certain points in the signaling paths.  Sometimes permanently, sometimes temporarily, sometimes not at all, depending upon the individual. This is why an overall vaccine is currently impossible to develop for melanoma, much less for "cancer" in general.  

                                           What is good about knowing the positive or negative status of one's DNA mutation is that it can help one know what treatments are more likely to be beneficial to one or will be a waste of time and effort to try.  Treatments have their own negative side effects and can harm one that receives them whether or not they are also beneficial.  Preferably one day we will know what treatment will work on which of the mutations and on which cancers.

                                           It is NEVER known if they "GOT IT ALL" inspite of the doctors saying this.  What they mean is that they got clear margins on that tumor, not that they got all the melanoma cells from ones body.  There is NO way/test to verify that all have been removed from everywhere in the body.  This is why I would like to see studies showing that a low level adjuvant treatment could help eliminate the miscellaneous hiding cells.

                                      JerryfromFauq
                                      Participant

                                        First, Your friend has NOT been diagnosed with liver cancer!  They have been diagnosed with Melanoma that has spread (metastasized) to the liver. (Different DNA mutations involved.)  Two years ago (and still currently) it was/is not common to run the expensive DNA mutation tests on stage 1 or Stage 2 people.  Hopefully as the costs come down, this testing will increase.

                                        The BRAF gene provides instructions for making a protein that helps transmit chemical signals from outside the cell to the cell's nucleus.  This protein plays a role in regulating the MAP kinase/ERKs signaling pathway, which affects cell division, differentiation, and secretion—-.

                                           The BRAF Gene and protein provide necessary functions for the human body.   Changes in the protein and DNA changes (mutations) in this gene permit uncontrolled cell reproduction  (vice apoptosis – normal cell death)  When a specific test is run for a specific DNA mutation is run, the result for that specific DNA mutation is positive (present) or negative (Not found.)   In this case it is usually assumed that the BRAF is 'normal', ie called "wild type BRAF". 

                                        .Researchers are learning that specific targeted treatments can interrupt/block certain points in the signaling paths.  Sometimes permanently, sometimes temporarily, sometimes not at all, depending upon the individual. This is why an overall vaccine is currently impossible to develop for melanoma, much less for "cancer" in general.  

                                             What is good about knowing the positive or negative status of one's DNA mutation is that it can help one know what treatments are more likely to be beneficial to one or will be a waste of time and effort to try.  Treatments have their own negative side effects and can harm one that receives them whether or not they are also beneficial.  Preferably one day we will know what treatment will work on which of the mutations and on which cancers.

                                             It is NEVER known if they "GOT IT ALL" inspite of the doctors saying this.  What they mean is that they got clear margins on that tumor, not that they got all the melanoma cells from ones body.  There is NO way/test to verify that all have been removed from everywhere in the body.  This is why I would like to see studies showing that a low level adjuvant treatment could help eliminate the miscellaneous hiding cells.

                                        mitchwendy
                                        Participant

                                          ugh. hearing about melanomas that have then spread are scary!

                                          wonder what kind of testing they had done 2 yrs ago when it was 'just' on the skin and if there was anyway they could have known then they maybe didnt get it all – if thats the case.

                                          keepsmiling
                                          Participant

                                            It was initially skin melanoma that was diagnosed 2 years ago, but recently found to have spread to the liver.

                                            Thanks for the replies

                                          kpcollins31
                                          Participant

                                            BRAF positive or negative refers to whether or not the cancerous tumor has a BRAF mutation. If you are BRAF-positive (i.e., you have the genetic mutation), then there are additional treatment options available (vemurafenib aka Zelboraf and dabrafenib aka Tafinlar). Being BRAF negative means that those treatments would not be available, but there are always others. Not sure if you are talking about melanoma that has spread to the liver or liver cancer in its own right. 

                                            Kevin

                                              

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