Ukuba namazinga ananele ka vithamini D kubalulekile ezicini eziningi ezihlukene zezempilo. Uma kuziwa emiphumeleni ye-vitamin D emdlalweni, kunezimpendulo ezimbalwa ezingaphenduliwe, noma kunjalo, ososayensi bangavuma ukuthi ukutholakala kwevithamini D ngokuvamile akuyona into enhle. Eqinisweni, ubufakazi bamuva bubonisa ukuthi amazinga awanele kavithamini D abalulekile kubantu asebekhulile abenza i-B cell lymphoma enkulu, noma i-DLBCL- uhlobo oluvame kakhulu lwe- non-Hodgkin lymphoma .
Ungaba Nokuntula Kwevithamini D?
Umuntu uthola kanjani i-vitamin D ngokwemvelo? Ngeshwa, ukudla okumbalwa kakhulu okuvame ukusetshenziswa kulesidlo saseNtshonalanga kuqukethe i-vitamin D ngokwemvelo, futhi abantu abaningi abanalo. Abantu abadala bakucatshangwa ukuthi basengozini enkulu yokuthuthukisa ukungabi namandla kwe-vitamin D ngezizathu eziningana. Uma uneminyaka yobudala, isikhumba asikwazi ukwenza i-vitamin D njengamandla okwakwenziwe ngaphambili. Ukwengeza, abadala asebekhulile bangase bachithe isikhathi esiningi endlini futhi bangenakho ukungena ngokwanele kwevithamini ekudleni kwabo.
Ezinye ukudla ziqiniswa nge-vitamin D, ezisiza imbangela. Amafutha enhlanzi namafutha e-cod isifo esihle semvelo. Ilanga ngenye imithombo yemvelo, noma kunjalo, zonke izixwayiso mayelana nokuvezwa kwe-UV futhi ingozi yomdlavuza wesikhumba iyasebenza. Ukushisa kwelanga phakathi kwamahora ka-10 ekuseni no-3 ntambama kuveza amanani amaningi ka-vitamin D esikhumbeni, kodwa ukuchayeka kudingeka kube nokuhlakanipha. Ngaphezu kwalokho, ukushisa ilanga ukuze uthole uvithamini D okwanele kungase kungabi usizo kubantu abaningi.
Uma ungabaza ngesimo sakho se-vitamin D, khuluma nodokotela wakho nganoma yiziphi izimpawu bese ucela mayelana nokuhlolwa kwegazi ukubona lapho ukhona khona. Ukulinganisa i-serum-25-hydroxyvitamin D (25 [OH] D) yiyona ndlela yokuhlola okungcono kakhulu ukucacisa ukuthi ukhona yini.
Ingabe i-Vitamin D ivimbela igciwane?
Kunesizathu sokuba nethemba, kodwa imibuzo eminingi isaphenduliwe.
Ngokusho kocwaningo lwama-laboratory, ukuntuleka kwe- vitamin D kubonakala sengathi kusiza ezinye izifo ezimbi zikhula, kodwa ochwepheshe bathi ucwaningo olwengeziwe luyadingeka ngaphambi kokuba kusetshenziswe isimiso se-vitamin D sokuvimbela umdlavuza.
Ucwaningo lwe-vitamin D lokuvimbela isifuba, isisu nesifo somdlavuza we-colorectal senze imiphumela engavumelani. Kwezinye izimo, abacwaningi abakwazanga ukutshela ukuthi amazinga aphansi e-vitamin D ayengumphumela wokuba nomdlavuza noma isizathu esithile somdlavuza.
Iyini Isixhumanisi Phakathi Kwe-Vitamin D ne-Blood Cancers?
Endabeni yamagciwane egazi afana ne-leukemia ne-lymphoma, ubufakazi busekela umqondo wokuthi i-vitamin D empeleni ibonakala iyasiza ezinye izindlela zokwelapha umdlavuza zenza umsebenzi wazo. Izifundo zibonise ukuxhumana phakathi kokuntuleka kwe-vitamin D nokuhlaselwa okubi kakhulu ezinhlobonhlobo ezihlukahlukene zesifo somdlavuza wegazi, kuhlanganise ne-lymphocytic leukemia (CLL) engavamile, futhi ihlukanisa i-B cell lymphoma (DLBCL) enkulu, uhlobo oluvame kakhulu lwe-non-Hodgkin lymphoma. Kodwa lezi zifundo zibuka emuva, ngakho-ke kungaba nzima ukutshela imbangela kusukela ekusebenzeni. Kungenzeka yini ukuthi i-vitamin D isetshenziselwe ukwandisa amandla emithi ethile yomdlavuza? Lokhu kuhlala umbuzo ovulekile, kodwa idatha iyakhuthaza.
Kukhona futhi ukuthi eziningi zokwelapha umdlavuza-kanye namagciwane ngokwabo-banomkhuba wokuholela emathambo aphansi, okwandisa ingozi ye-osteoporosis, ngakho-ke ukugcina amazinga awanele e-calcium ne-vitamin D kungaba yingxenye yokulawula le ngozi.
I-Vitamin D ne-Rituximab (i-Rituxan)
Abaphenyi abasanda kubikwa kwi-Journal of Clinical Oncology ukuthi ukunganele ngokwanele kwe-vitamin D kubonakala kuthinta indlela i-rituximab yokwelashwa okulwa nomdlavuza, i -antibody monoclonal , eyenza ngayo umsebenzi wayo. Ukuntuleka kwe-Vitamin D kuyisici esiyingozi kubantu abakhulile abane-DLBCL abaphathwa nge- R-CHOP , abalobi abaphawula. Bathola ubufakazi bokuthi ukutholakala kwe-vitamin D kuphazamisa isenzo sokubulala umdlavuza-cell cell of rituximab.
Bacela ukulingwa okwenziwe ngokukhethekile ukutadisha ukusebenzisa i-vitamin D ku-DLBCL kanye namanye amakhemikhali okwamanje aphathwe ngama-antibodies, njenge-trastuzumab emdlalweni webele webele kanye nalesi sifo emdlalweni we-colorectal.
> Imithombo
> I-Vitamin D. I-Fact Sheets for Professional Professionals
> Welsh J. Vitamin D nomdlavuza webele: ukuqonda okuvela ezilwaneni zezilwane. I-American Journal of Nutrition Clinic. 2004; 80 (6); 1721S-1724S.
> Byers SW, Rowlands T, Beildeck M, Bong YS. Indlela yokusebenza ka vithamini D kanye ne-vitamin D receptor ekuvimbeleni umdlavuza nomuthi wokwelapha. Ukubuyekezwa ku-Endocrine & Nezinkinga Zokusebenzisa Amandla . 2012; 13 (1): 31-38.