Kodi Mungayambe Kudwala Khansara Kuti Imfa?
Kodi shuga imayambitsa khansara? Ngati muli ndi khansa, kodi shuga ikhoza kukulirakulira? Ndi funso lolemetsa, koma yankho silili lophweka.
Maselo anu onse amafunikira shuga (shuga wa magazi) wa mphamvu. Maselo abwino amatengera moyo wa kukula, magawano, ndi imfa. Mofanana ndi masamba pamtengo, maselo akale amafa ndipo amalowetsedwa ndi nambala yofanana ya maselo wathanzi.
Khansa imayamba pamene maselo akale amakana kufa koma amapitiriza kukula, kugawa, ndi kumanga pamalo amodzi-kupanga chotupa .
Kodi Shuga Imayambitsa Kansa?
Lingaliro lakuti maselo a khansa akufalikira pa shuga akhala akuzungulira kuyambira mu 1924 kabuku ka Dr. Otto Warburg pepala, Pa Metabolism of Tumors. Warburg anali katswiri wa sayansi ya sayansi ya Nobel Prize ya Nobel amene anaganiza kuti kukula kwa khansa kunayambitsa pamene maselo a khansa anatembenuza shuga kukhala mphamvu popanda kugwiritsa ntchito oksijeni. Ichi chinali chotsimikizirika chosangalatsa, mbali ina chifukwa timadziwa kuti maselo wathanzi amapanga mphamvu potembenuza pyruvate ndi oksijeni. Pyruvate imapangidwira mkati mwa mitochondria ya selo yathanzi. Popeza maselo a khansa sali oxidize pyruvate, Warburg amaganiza kuti khansara imayenera kuonedwa kuti ndi yosavomerezeka ndi mitochondrial.
Koma umo si momwe kansa ikugwirira ntchito. Khansara imayambitsidwa ndi kusintha kwa majini , kaya zimasintha kusintha kwa thupi, kapena zomwe zimapezeka m'kupita kwa nthaŵi kudzera ku matenda a khansa kapena chifukwa cha maselo ofiira a maselo.
Ngakhale maselo wathanzi ndi maselo a khansa amasintha chakudya chawo ku mphamvu m'njira zosiyanasiyana, kusiyana kumeneku ndi zotsatira , osati chifukwa cha khansara. (Phunzirani za kusiyana pakati pa maselo a kansa ndi maselo ochiritsira .)
Shuga ndi Hyperglycemia
Ngakhale kuti zovuta za shuga ndi khansa zakhala zikusowa, zikuoneka kuti pali kusiyana pakati pa shuga ndi khansa.
Zidziwika bwino kuti anthu omwe ali ndi matenda a shuga a mtundu wa II ali ndi chiopsezo chowonjezeka cha khansa zingapo. Zimasonyezanso kuti msinkhu wa shuga wokwera kwambiri ungapangitse kupanga mapangidwe a khansa (oncogenesis), kukana maselo imfa mu maselo a kansa (apoptosis kukana) ndi zotupa kukhala zosagwirizana ndi chemotherapy. Kaya izi ndizofunikira ndi "kawirikawiri" shuga wambiri wamagazi, monga diarre diurge vs vs okha omwe ali ndi insulin kukana ndi kukweza shuga wa magazi sali otsimikizika kwathunthu.
Shuga ndi Mapuloteni Sungani Maselo a Kansa Ali Okhala
Zanenedwa kuti maselo a khansa ndi osakhoza kufa-samafera mwadongosolo monga maselo abwinobwino. Asayansi asanthula zotsatirazi ndipo mwina atulukira zomwe maselo otupa amapewa kuti asaphedwe kufa. Mu kafukufuku wa labotale ku yunivesite ya Duke, maselo a khansa amaoneka kuti amagwiritsa ntchito shuga ndi mapuloteni enieni kuti apitirize kukula pamene ayenera kufa. Maselo a khansawa amawoneka kuti amagwiritsa ntchito shuga pamtunda waukulu, kuti asamvere malangizo a m'manja kuti afe.
Kupanga Mankhwala Osokoneza Bongo Atsopano
Ku yunivesite ya Johns Hopkins, kagulu ka akatswiri adafufuza njira zowononga maselo a kansa kuti ikule pang'onopang'ono kenaka ndikudzipha okha.
Amaphunzira zochepa zowonongeka-momwe maselo a khansa amayendera shuga ndi mapuloteni kuti azisamalira okha. Pamene maselowa anapatsidwa n- butyrate (mchere) ndi zakudya (zowopsya), kukula kwawo kunachepa. Kuti athandize khansa mankhwala osokoneza bongo, ofufuza anatulutsa molecule wosakanizidwa yopangidwa ndi shuga wamba komanso n- butyrate. Chifukwa chakuti maselo a kansa amamwa shuga mosavuta, amawathira mamolekyu atsopanowo, omwe amalepheretsa kuti apitirize kukula, ndipo anafa.
Magulu ena a asayansi akugwiritsa ntchito mankhwala omwe angapindule ndi kufooka kwa khansa kwa shuga.
Zina mwa mankhwala atsopanowa angaperekedwe pamodzi ndi chemotherapy, kuti apange maselo ofooketsa kwambiri okhudza mankhwala a chemo. Ku Switzerland, asayansi akugwiritsa ntchito shuga ya "shuga" kapena "nanocrystals" ya mankhwala omwe angayende kuchiwindi yekha, kupeŵa ziwalo zina. Ndi shuga pa tizilombo toyambitsa matenda omwe amathandizira mankhwalawa kuti adziwe mbali imodzi ya thupi, motero amachepetsa zotsatira zake ndikuwonjezereka bwino mankhwalawa.
Kunenepa Kwambiri ndi Khansa
Imodzi mwa njovu mu chipinda poyankhula za shuga ndi khansa ndi kunenepa kwambiri. Kukhala ndi dzino lokoma ndi kudya zakudya zambiri za shuga zimagwirizana ndi kunenepa kwambiri, ndipo kunenepa kwambiri kumayenderana ndi khansa. Kunenepa kumasintha mahomoni m'thupi lomwe limayanjana ndi chiopsezo chachikulu cha khansa yomwe ikukula ndikukhala ndi khansa kapena kupita patsogolo. Malinga ndi bungwe la International Association for Research on Cancer, chimodzi mwa zinthu zabwino kwambiri zomwe mungachite kuti muteteze khansa poyamba, ndi kupewa kuthamanganso ngati mutapezeka kale, muyenera kukhala olimba ngati simungathe kukhala opanda mphamvu.
Khalani Wochenjera Za Shuga Mu Zakudya Zanu
Shuga imapereka mphamvu koma sikuti imakupatsani zakudya zonse zofunika kuti muchepetse chiopsezo cha khansa yanu. Sura yachilengedwe imapezeka mu zipatso ndi mkaka ndipo ingakhale gawo la zakudya zabwino. Zakudya zowonjezera-mtundu umene umawonjezera pa chakudya panthawi ya processing, monga shuga woyera, madzi a chimanga, ndi mchere wa zipatso-ayenera kupeŵa kapena kuchepa. Kugwiritsa ntchito mankhwala ambiri a shuga kungachititse kuti mukhale wonenepa kwambiri komanso kuti mutetezeke kwambiri ku matenda a shuga, zomwe zingakuthandizeni kuti muwonjezere matenda a khansa. Dulani zakudya zokhudzana ndi shuga monga maswiti, katundu wophika, zakumwa za shuga ndi sodas kuti muchepetse vuto lanu la khansa. Sungani zakudya zanu ndi zakudya zamasamba, nsomba, ndi mbewu zonse - mbali ya zakudya zabwino zomwe zakhudzana ndi chiopsezo chachikulu cha khansa.
Mfundo Yofunika Kwambiri
Ndi bwino kudya shuga zachilengedwe tsiku ndi tsiku, makamaka ngati ali gawo la zakudya zowonjezera zakudya monga mkaka kapena zipatso. Shuga mu zakudya zanu sizimayambitsa khansara. Kutaya maselo anu onse shuga sikupha kapena kupewa khansa. Kusunga chakudya chopatsa thanzi komanso kuchita masewera olimbitsa thupi nthawi zonse kungakupatseni kulemera kwa thupi komanso kuchepa kwa insulini. Imeneyo ndiyo njira yabwino yochepetsera chiopsezo cha khansa yanu.
Zotsatira:
Duan, W., Shen, X., Lei, J. et al. Hyperglycemia, Chinthu Chosalephereka Panthawi Yopitirira Khansa. Zofufuza Zachilengedwe Zachilengedwe . 2014: 461917.
Kikkeri, R., Lepenies, B., Adibekian, A. et al. Ku Vitro Imaging ndi Vivo Chiver Kukulingalira ndi Zakakiteriya Capped Quantum Dots. Journal of the American Chemical Society . 2009. 131 (6): 2110-2.
Sampathkumar, S., Jones, M., Meledeo, M et al. Kuwongolera Glycosylation Njira ndi Njira Yachigawo: Ntchito Yotulutsa Shuga Yopangidwira Khansa Prodrugs. Chemistry ndi Biology . 2006. 13 (12): 1265-75.