Ngokophononongo olutsha olupapashwe kwi-Journal ye-Endocrine Society, umphandi ufumene ukuba i-testosterone yandisa umngcipheko we-prostate tumors kwaye yandisa imiphumo ye-carcinogenic exposure chemical exposure in rats. Ubongoze amadoda angakhange afunyanwe ane-hypogonadism Qaphela xa unikezela ngonyango lwe testosterone. I-Endocrinology.
Kule minyaka ilishumi idlulileyo, ukusetyenziswa kwe testosterone kuye kwanda phakathi kwamadoda amadala afuna ukonyusa amandla kwaye azive emncinci. Uphononongo olupapashwe kwi-Journal ye-Clinical Endocrinology kunye ne-Metabolism yafumanisa ukuba nangona kukho iinkxalabo malunga neengozi ze-cardiovascular risk, inani lamadoda aseMelika aqala unyango lwe-testosterone phantse liphindwe kane ukususela kwi-2000.
The Endocrine Society’s clinical practice guidelines for the treatment of testosterone in adult men recommend that testosterone be prescribed only for men with significantly low hormone levels, decreased libido, erectile dysfunction, or other symptoms of hypogonadism. Online: http://www.endocrine.org/~/ media/endosociety/Files/Publications/Clinical%20Practice%20Guidelines/FINAL-Androgens-in-Men-Standalone.pdf
"Olu pho nonongo lubonisa ukuba i-testosterone ngokwayo i-carcinogen ebuthakathaka kwiigundane zamadoda," watsho umbhali wophando kunye noDkt Maarten C. Bosland we-DVSc ovela kwiYunivesithi yase-Illinois e-Chicago. “Xa idityaniswe neekhemikhali ze-carcinogenic, i-testosterone idala indawo efanelekileyo yokuphuhliswa kwethumba. Ukuba ezi zinto zifunyanisiweyo ziye zafunyanwa ebantwini, ngoko ke iingxaki zempilo yoluntu ziya kuba ngunobangela omkhulu.”
Izifundo ezimbini zokuphendula idosi zivavanye izehlo zomhlaza wedlala lobudoda kwiimpuku. Iimpuku zanikwa i-testosterone ngesixhobo sokufakelwa esizinzileyo. Ngaphambi kokutofa i-testosterone kwiimpuku, ezinye izilwanyana zatofwa ngekhemikhali ye-carcinogenic i-N-nitroso-N-methylurea (MNU). Ezi mpuku zithelekiswe neqela lolawulo elafumana i-MNU kodwa lahlohla isixhobo esingenanto sokukhululwa okuzinzileyo.
Phakathi kweegundane ezifumene i-testosterone ngaphandle kweekhemikhali ze-carcinogenic, i-10% ukuya kwi-18% yavelisa umhlaza we-prostate. Unyango lwe-Testosterone yodwa aluzange lubangele amathumba athile kwezinye iindawo, kodwa xa kuthelekiswa namagundane okulawula, kubangele ukwanda okukhulu kwenani leegundane ezinamathumba anobungozi nakweyiphi na indawo. Xa iigundane zibonakaliswe kwi-testosterone kunye ne-carcinogens, olu nyango lubangela i-50% ukuya kwi-71% yeegundane ekuphuhliseni umdlavuza we-prostate. Nangona idosi yehomoni iphantsi kakhulu ukunyusa izinga le testosterone egazini, isiqingatha seempuku sisaphathwa ngamathumba eprotate. Izilwanyana ezivezwe kwiikhemikhali ze-carcinogenic kodwa kungekhona kwi-testosterone azizange zibe nomhlaza we-prostate.
"Ngenxa yokuba uphuhliso lonyango lwe-testosterone lusentsha, kwaye umhlaza wesibeleko sisifo esikhula kancinci, okwangoku akukho datha yokuqinisekisa ukuba i-testosterone iyawunyusa umngcipheko womhlaza wedlala lesidoda ebantwini," utshilo uBoslan. "Nangona kuye kwenziwa izifundo zabantu, kububulumko ukunciphisa imimiselo ye-testosterone kumadoda aneempawu ze-hypogonadism, kunye nokuphepha amadoda asebenzisa i-testosterone ngeenjongo ezingezizo ezonyango, kuquka nokujongana neempawu eziqhelekileyo zokuguga."
Uphononongo olunesihloko esithi "Unyango lwe-Testosterone ngumkhuthazi osebenzayo we-tumor ye-rat prostate" sele ipapashwe kwi-intanethi ngaphambi kokuprintwa.
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Ixesha lokuposa: Sep-09-2021