Ukuba akusiyo isifo, kutheni unokukhathalela?
Ukuba nomzila wesangqa wegalethi kuthetha ukuba ungumthwali we-genele yegeni yeseleni. I-genele cell gene iyingcongolo encane yeDNA ephawulwa ngabazali, njengowesini (isilisa / ibhinqa) okanye umbala weenwele, obangela umntu ukuba enze i-hemoglobin egulane.
Ingaba isifo seSickle senza isifo?
Akunjalo. Ekuzalweni, unokuba nesifo segleyile yesifo okanye ungenzi. Ukuba unesimboli segciwane lesigane asikwazi ukuguqula kwisifo segciwane lesigane.
Ingaba Isifo seSelle Senza ukuba Ndibe Naluphi na Iingxaki Zonyango?
Akunakwenzeka. Kwiimeko ezinqabileyo, isalathisi yesalathisi yesangqa ingabangela ukugulisa kweeseli ezibomvu zegazi, ezikhokelela kwiinkathazo. Ngokuqhelekileyo, oku kwenzeka kuphela kwiimeko ezimbi kakhulu njengokungcoliswa kwamanzi, ukuphakama kwamanzi, okanye amanqanaba aphantsi oksijini. Uninzi lwabantu abanomzila wesigxina segulane baphila ubomi babo bonke ngaphandle kwemiba engundoqo kwindlela yeselula yegale. Kubalulekile ukukhumbuza oku ukuba uziva ukhululekile ngenxa yokuziphatha.
Kwiimeko ezinqabileyo, umntu onomkhwa wesigxina segulane unokuhlakulela umdlavuza ongenqabile we-kidney obizwa ngokuba yi-renal medullary carcinoma. Unxibelelwano aluqondiswanga ngokupheleleyo, kodwa phantse wonke umntu ophuhlise lo mhlaza unomlinganiselo weseleni (kunye nesifo sesiselulune ngesigulo). Ngenxa yale nxu lumano, intlungu ecaleni / intlungu eqhubekayo kunye / okanye igazi emcinini ( hematuria ) kumntu onomlinganiselo weselenze kufuneka ithathwe ngokungathí sina.
Ukuba Ayingabangeli Naliphi Iingxaki, Kutheni Ndifanele Ndikhathalele Ukuba Ndiya Kugula Ngama cell Cell?
Ukwazi ukuba unayo impawu yeseleni ebaluleke kakhulu xa ulungele ukuba nabantwana. Ukuba unomzila weselula wegulane, wenza i-hemoglobin A (i-hemoglobin yabantu abadala) kunye ne-hemoglobin S (i-heleog hemoglobin). Ngezinye izihlandlo zikhethiweyo njenge-AS.
Ngethamsanqa, umzimba unokwenza i-hemoglobin engaphezulu kwe-hemoglobin S, yintoni eyenza abantu abanomdla weselwane bengenaso ingxaki.
Ingxaki ivela xa iqabane lakho linomlinganiselo weselula wegulane. Isifo sesifo se-Sickle sizuze njengefa le- autosomal condition. Ukuba ngaba bobabini abazali banomdla wecala (AS + AS), kukho amathuba amathathu abantwana babo: ama-25 ekhulwini amathuba okuba nomntwana oqhelekileyo nge-hemoglobin (AA), ithuba elingamaphesenti angama-50 lokuba nomntwana ophethe i-cell trale cell trait (AS) , kunye neepesenti ezingama-25 zokuba nomntwana onomzila wecala lomtya (SS). Leli thuba lokuba nomntwana onomkhwa wesangqa segulane lwenzeka kunye nokukhulelwa ngamnye, kungakhathaliseki ukuba kwenzekani ekukhulelwe kwangaphambili.
Akwanele ukwazi ukuba iqabane lakho linomkhwa weselula okanye ayikho into yokuba i-cellle trait trait idibene kunye nezinye iimeko ze-hemoglobin njenge-hemoglobin C kunye ne-beta thalassemia. Ukuba umzali omnye unomzila wecala lokuhamba (AS) kunye nelinye uhlobo lwe-hemoglobin C (AC), zinamathuba amane: AA (iipesenti ezingama-25), ii-AC (iipesenti ezingama-25), AS (ama-25 ekhulwini) kunye ne-SC. I-Hemoglobin SC yindlela yesifo se-sickle cell. Ngokufanayo umgqomo we-beta i-thalassemia yindlela yesifo se-sickle cell.
Ndingayifunda njani ukuba Ndiyicala leSelle Trait Trait?
Njengamanje, bonke abantwana abazalwe eMelika bavavanyelwa isifo segulane kwisalathisi esandula .
Oku kuvumela abantwana ngesifo segciwane lesigulo ukuba baqale unyango phambi kokuba iingxaki ziqale. Olu vavanyo luya kubonakalisa nabantwana abazalelwe ngekhwalithi yeselenki. Ukuba uzalwe ngaphambi kokuba bonke abantwana bavivinywe okanye ungazi nje, unogqirha wakho ukukuvavanya ngomlinganiselo weselenge.
Kukho iimvavanyo ezimbini eziqhelekileyo ezisetyenziselwa ukucacisa isimo sengqondo segleyile. Iyokuqala uvavanyo lokugungqa umgudu, olubizwa ngokuba yi-sickledex. Ingxaki nge-sickledex kukuba umphumo omuhle ukuxelela nje ukuba i-hemoglobin yengqolowa ikhona okanye ayikho. Isiphumo esiphumeleleyo sinokuvela kwimiba yesibini yegleyile kunye nesifo segciwane lesangqa.
Uvavanyo oluthe ngqo lubizwa ngokuba yi-hemoglobin electrophoresis okanye iprofayili. Olu vavanyo lubonisa iintlobo ezahlukeneyo ze-hemoglobin umntu. Ngokuqhelekileyo, abantu abanomzila weselula wegulane benza malunga neephesenti ezingama-60 ze-hemoglobin A kunye ne-40 pesenti ye-hemoglobin S.
Nangona ukuziphatha kwesikhala segulane akufanele kubangele naziphi iingxaki, ukwazi ukuba lakho (kunye neqabane lakho) isalathisi yesimo segulane kunokukunceda uqonde umngcipheko wokuba nomntwana onesifo segciwane lesigane esikhathini esizayo.