ImpiloImithi

DNA nokwehlukaniswa isidoda

Izibalo zibonisa ukuthi kwamanye amazwe degree of ukungazali ukusabalala 8-29%, futhi emhlabeni wonke - 15%. Ngesikhathi esifanayo yonke pair lwesishiyagalombili akunakwenzeka ukuba akhulelwe ingane yokuqala. Njalo pair lesithupha ahlangabezane nobunzima lapho kuzalwa izingane yesibili futhi okwalandela. Ngo kwesigamu amacala lokhu kungenxa izinkinga wobulili namandla, okungukuthi, kanye nemingcele esishintshile imbewu wesilisa ukuthi isabizwa ngegama "DNA kwehlukana". Kuleminyaka engamashumi amabili, lo mkhuba liyakhula: kusuka 30 kuya 50%.

Uma kudingeka, ukwenza ukuhlaziywa ezifanele, kubalulekile ukucacisa degree of DNA kwehlukana. Kodwa akuzona zonke indoda ejwayelene eside ngenhla, futhi angase abe imibuzo eminingi. Ngakho-ke kuyadingeka ukuze ususe okufakwe kwindawo ke ngaphezulu.

Lisho ukuthini igama elithi "i-DNA kwehlukana"?

Ngaphansi le ncazelo, ibhekisela izinga lomonakalo ukuze imicu DNA, okuyinto kube inkomba yokuthi izinga gametes futhi ukhuluma ezingeni wenzalo besilisa. Izikhala DNA Helix kuholele yokuthi ubuqotho ukwaziswa kwezakhi zofuzo iphazamisekile. Ngenxa yalokho, ematfuba lokuzalwa is kakhulu ziyancipha.

DNA kwehlukana ngokuvamile kwenzeka ngenxa protamines ukwehla. Kuyinto amaprotheni ekhethekile ezokuthutha enjalo, okuyinto equkethwe kuma-chromosome. Zenza umsebenzi ezinkulu ukuphepha - ukuvimbela imicu DNA kusukela umonakalo odalwe iziphi izici zangaphandle.

Ukuba khona kwehlukana DNA kumaseli lwegciwane inethonya eliqondile nokuvuthwa we-embryo esikhathini ekuseni futhi ukwakheka-blastocyst. Tellingly, ngisho isidoda nge ngezinga eliphezulu of kwehlukana kungaba zalisa insikazi germ cells, kodwa kamuva kusaqalwa umbungu inqubo ukuthuthukiswa zingayeka.

zokugula Izimbangela

Ukwephula ulwazi zofuzo isidoda kungadalwa izici ezihlukahlukene kukhona kokubili ngaphakathi nangaphandle. inzalo Male singenzeka ngenxa yokwephula eziningi izinhlelo ezahlukene umzimba, njenge:

  • ubulili;
  • endocrine;
  • kwemizwa;
  • kwegazi;
  • mzimba nokunye.

Umsebenzi oyinhloko amaseli besilisa zokuzala is sindise material Iqanda okunempilo ngaphandle umonakalo. Kuphela kulesi simo ngemva kokukhulelwa zokugcina umbungu ozokhula evamile futhi ngokugcwele. Uma kungenjalo, kungenzeka kube pathologies ezehlukene. Ngenxa okwenzekayo DNA kwehlukana?

izimbangela yangaphakathi

Izinto zangaphakathi izizathu ezimbili. Eyokuqala yalezi ukuthuthukiswa isidoda engaphelele. Nokuvuthwa lwegciwane amaseli besilisa kwenzeka epididymis. Ngalesi sikhathi, ke isebenze chromatin, okuyinto Itholakala kuyi-nucleus yengqamuzana. Kuyinto unesibopho isidoda motility. Kwezinye izimo, le nqubo engase yonakale, bese Helix DNA lilimele.

Isici sesibili yangaphakathi ayilungile kwenqatshwa gametes. ekudalweni isidoda kwenzeka testes. I engavamile yomzimba besilisa yikhono ukunquma isimo germ cells. Uma isidoda kuyagcinwa ngeziphambeko ezithile ngokuya yofuzo noma umehluko isakhiwo sabo, umzimba uyobe balahle kubo. Kodwa inqubo ngezinye izikhathi wayenomuzwa culling akulungile. Kulokhu, lo ejaculate sizoqukatha kokubili amaseli enempilo futhi ezilimele.

izimbangela yangaphandle

Ngaphezu yangaphakathi kubangela DNA nokwehlukaniswa amaseli kungenzeka kubangelwa eziningi iziphi izici zangaphandle. Babengase babhekwe khona izifo ezithize ezenzeka ifomu oyingozi noma ezingamahlalakhona. Ukubhujiswa germ cells kungadalwa ukuvuvukala pheshana urogenital. Lokhu kubonakala ikakhulukazi ezimweni lapho isifo engakaze belashwa ngokuphelele.

Ngokuvamile, imbangela kanye nezifo ezithé chithi saka ezinjalo phakathi kwabantu, njengoba varicocele. lula Ngokuvamile ukuthola zokugula emithanjeni osuke usuvulekile e emasendeni. Kodwa ukuxilongwa esinembile uyomisa kokuxilongwa ezifanele. Kodwa ngaphandle kwalokho, kungase kube nezizathu:

  • lokushisa eliphezulu isikhathi ngokwanele eside, ne izimpawu ezisobala futhi izimpawu;
  • khona ukucindezeleka oxidative;
  • -X-ray ngemisebe;
  • ukudlula ngamakhemikhali;
  • imikhuba emibi.

On the iphuzu yokugcina, isidoda DNA kwehlukana kwenzeka ngenxa ukubhema.

Okwamanje, kunezindlela eziningi ukuze ulwe umkhuba okulimazayo. Futhi uma ufuna ukukhulisa izingane ukuba uyekwe ngokuphelele. Futhi ngokushesha, ngcono!

ukuhlola Standard - isidoda

Ukuze ukuzalwa kwengane enempilo ngokugcwele lidinga material enhle zofuzo. Futhi ukuze linqume isimo lwegciwane amaseli wesilisa, ukuhlaziya ejwayelekile Kwenziwa we ejaculate. Waba yini umphumela walesi cwaningo ukukhombisa Cishe izimbangela ukwephulwa sokukhulelwa. ukuhlaziywa isidoda futhi likuvumela ukunquma isakhiwo, ukugxilisa ingqondo, degree of ukuhamba lwegciwane amaseli wesilisa, kodwa ngesikhathi esifanayo futhi uhlole kubo ukuze ivumelane kuyinsakavukela bokuphila. Futhi kufakwe ukuhlaziywa umsebenzi yokunquma asidi uketshezi kwesidoda.

Ngaphezu kwalokho, kulolu cwaningo ukucacisa inombolo ye-leukocyte, okuyinto evamile akufanele kube ngaphezu kwesigidi ngemililitha kwesidoda ngayinye. Amapharamitha yiziphi izinto ezintathu ezibalulekile umbala nephunga. Healthy uketshezi kwesidoda has a elimhlophe luhlaza off-omhlophe noma kancane pink, nephunga sifana onsundu. Uma kukhona noma iyiphi ukuphambuka kudinga luhlolo ngokuphelele, okuyinto ethatha isinqumo kudokotela ngesisekelo umphumela.

Nokho, izazi zikholelwa ukuthi ukusebenzisa ukuhlaziywa ejwayelekile ayikwazanga ukuthi noma ngabe kwehlukana DNA kwaba. izindlela Survey umane abakuvumeli ukwenza kanjalo njengoba isidoda ngokuyinhloko kunqunywa kuphela nemingcele ezingokwenyama uketshezi kwesidoda. Ngakho-ke, sitholakele iketango DNA ngale ndlela yokwenza akunakwenzeka, futhi ochwepheshe batusa ukusetshenziswa kwenye inqubo evamile ngokuthi TUNEL.

Ingqikithi indlela TUNEL

Ochwepheshe abaningi batusa ukuhlola ukulandelana DNA inqubo inikezwe. Investigation ukunquma inani (%) ka gametes lilimele. Ngokusekelwe imiphumela, ungakwazi sithathe izindlela ezidingekayo yokwelashwa ukuze zithuthukisa ikhono zabesilisa zalisa.

Ngemva ngokubeka isidoda kuwo wengeze reagents ekhethekile, futhi ucwaningo olwengeziwe kwenziwa kusetshenziswa ngesibonakhulu. Kulokhu, inani isidoda enempilo futhi ezilimele kubonakala kahle. Kuvele umcwaningi abanolwazi ngokushesha futhi ngokunembile ukuhlonza izinguquko DNA. I nokwehlukaniswa isidoda kulokhu kubonakala eqinisweni lokuthi ezilimele germ cells kuhluke kakhulu ngokubukeka kwabo.

Umphumela cwaningo ikhishwa kuphela uchwepheshe ofanelekayo esandleni isiguli ngesimo izithombe amaseli isithombe. Kuvele ipharamitha ebalulekile inhlolovo kuyinto iphesenti amaseli enempilo ukuze wahlukana. Ngokuvamile, inani lamaseli olimele ingeqi 15%.

Ukudlula inhlolovo kuhlanganisa eziningi imithetho saziso. Zingakapheli izinsuku eziyisikhombisa, musa ukuthatha okugeza hot futhi uqede ukushaywa umoya okugeza. Ngalesi sikhathi, kufanele bengahlanganyeli ubulili kanye uyeke utshwala. isidoda iqoqo kwenziwa ngosuku inqubo esitsheni ekhethekile eyenziwe ngepulasitiki. Lokhu kungenziwa kokubili ekhaya endaweni isikhungo sokwelapha.

Lapho Yini okufanele ngiyenze sokukhathazeka?

Amadoda amaningi musa nje basuke bengazi ukuthi i-DNA kwehlukana ngesilinganiso le nkomba liphinde engaziwa. Njengoba Nokho, bese, esikhathini esithile okudingeka ukuba bahlolwe. Ngenxa yalesi sizathu, kukhona ukungabi nenzalo ukukhula ukuvela izifo ezihlukahlukene. Kule ndaba, kufanele kuholele ezimweni lapho kahle kufanele ucabangele:

  • Umndeni isikhathi eside angeke esizicabangelayo ingane.
  • Esikhathini esidlule kuye kwaba imizamo eziningana insemination yokufakelwa.
  • Isimo abanelisi umbungu.
  • Ngangikuthanda kwesigamu izisu njalo yesibili, kodwa kusobala ukuthi kuwo.
  • Abesilisa engu 45 nangaphezulu.
  • Ukuba khona emithanjeni varicose cord spermatic.
  • izinyanga ezintathu noma ngaphezulu kokubona amadoda imfiva.

Ngokuqondene icala kuqala, ngokuvamile ngesikhathi esifanayo, abesifazane zihlolwa ngokuhamba okuyinto kuvela ukuthi iphila ngokuphelele, kodwa ukukhulelwa ingekho. Kulokhu kumele ahlolwe futhi amadoda.

Ukuhlola i-lwegciwane cell kwehlukana uqoka udokotela siqu kuphela ngaphansi kwezimo ezithile.

Ngingalutholaphi bahlolelwe?

Manje sibizwa ngokuthi lokhu kwehlukana DNA, "lapho pass" - nanku umbuzo olandelayo engavela. Okwamanje, cishe kunoma iyiphi i-laboratory kanye imishini yesimanje iye ucwaninga imbewu wesilisa. Ukuze zihlolwe kungaba cishe kunoma iyiphi zezempilo zikahulumeni mahhala. Vele elinde Imiphumela kungathatha izinsuku ezimbalwa. Uma uthintane omunye yangasese lab Imiphumela kuzotholakala phakathi ngosuku olulodwa.

Kubalulekile nokukhumbula ukuthi zonke uphenyo ihlukile ne umphumela. Ngakho-ke, i-nokwethenjelwa kungcono ukuba kudlule ezinye izivivinyo ilandelana. Indlela udokotela kuphela ungakwazi abeke izingcezu ndawonye futhi amise ukusazi ngokunembile isifo esikuphethe.

Ukuthuthukisa degree of kwehlukana

Kuze isikhathi esithile kwakunzima ukushintsha izinga le-DNA kwehlukana indlela engcono. Kodwa ngemva kungekho endulo, study okuphambene ukuthi kungase kutholakale. kwehlukana encishisiwe ibangelwa ethula Antioxidants emzimbeni wesiguli. Kodwa kwezinye izimo ukuhlaziywa DNA nokwehlukaniswa isidoda akusho uqinisekise umphumela omuhle.

Ngokwesibonelo, uma ushintsho kubangelwa ephuza lamaseli lokushisa eliphezulu noma ezinobuthi.

Ngilusizo impahla folate

Ngemva abacwaningi ihlaziye amandla amadoda amaningi, bafika isiphetho esithakazelisayo. Kukhula inani folic acid ekudleni, kwakheka kancane amaseli angavamile. Ngakho-ke kubalulekile ukuba 3-4 izinyanga ngaphambi ukuhlela sokukhulelwa ukukufaka ekudleni acid, uyatholakala ekudleni ehlukahlukene. Phakathi imikhiqizo isitshalo yilezi:

  • imifino;
  • wokudla, emabhontjisi amasiko;
  • ubhanana;
  • ezisawolintshi;
  • izaqathe;
  • namantongomane.

Acid itholakala ukudla okuvela ezilwaneni:

  • isibindi nenyama yenkomo, ingulube kanye ngewundlu;
  • salmon;
  • Iqanda isikhuphasha.

Libuye ekhona imikhiqizo yobisi.

In the ukwelashwa ukushisa kwezinye ukulahleka kwemikhiqizo acid kufana 90%. Ngakho-ke, ngangokunokwenzeka kungcono udle eluhlaza. Faka ekudleni wale mikhiqizo, ungaqiniseka ukuthi ukuhlaziya DNA kwehlukana sizobonisa imiphumela emihle. Lokhu kusho ukuthi akudingeki ukuba sikhathazeke impilo esizayo umntanakho.

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