I taksa detoxification system-ah hian harsatna a awm em? Urea Cycle Disorder chungchang hi i zir dawn teh ang!

Kan taksa hian kan ei leh in a\angin a mamawh nutrients a hmu tih kan hre vek. Tin, he thil kalpui chhung hian kan taksa hian thil duh loh, a chang chuan tha lo tak tak a siam chhuak bawk. Chuvangin, kan taksa hian heng duh loh toxins te hi filter chhuakin thil tha tak tak chu taksa pum puiah a phur chhuak thei a, system mak tak a nei a ni. Mahse, he ‘filter’ system-ah hian chak lohna a awm a nih chuan eng nge thleng ang? Chu chu vawiina kan sawi tur pawimawh tak pakhat a ni.

Urea Cycle hi eng nge ni? A awlsam zawngin i hrethiam ang u!

Urea cycle hi kan taksa atanga toxins paih chhuaktu filter system angin han ngaihtuah teh. Kan taksa atanga thil tha lo paih chhuakin taksa pum puiah thil \angkai tak tak a phurh luh theih nan a pui bawk.

Hetiang kalphung hi kan ei hnuah a intan thin. Kan ei leh in a protein te hi kan taksa chhungah a inthen darh a , amino acid ah a chang . Heng amino acid te hi proteins unit bulpui ber an ni. Building sakna atana brick mamawh ang bawkin, heng amino acids te hi taksa ruh siamna atan te, ei tur tha tak tak phurh chhuahna atan te, leh taksa peng hrang hrangte hnathawh thatna atan te a pawimawh hle.

Tunah chuan he protein hi a hmin chuan bawlhhlawh angin ammonia an tih gas a lo chhuak ta a ni. He ammonia hi kan taksa tan a toxic hle . Chuvangin, he ammonia tha lo tak hi paih bo tur chuan kan taksaa enzyme - chu chu chemical reaction titu protein bikte chuan he ammonia hi liver-a urea an tih thil hlauhawm lo takah an chantir a ni. He urea hian ammonia bakah hian amino acid dang engemaw zat a pai a:

• Arginine a ni
• Ornithine a ni
• Citrulline a ni

Tichuan, heng enzyme te hian thisen kaltlangin urea chu kal (kidney) ah an phur lut thin. Urea cycle-a step hnuhnung ber chu he urea hi kan zun atanga paih chhuah hi a ni. Chutiang chuan urea cycle chu a thawk a, a awlsam zawngin.

Chuti a nih chuan, urea cycle disorder chu eng nge ni?

Urea Cycle Disorder (UCD) hi kan sawi tawh ang khan taksa pum puia urea phurh chhuahna process hian hna a thawk tha lo tihna a ni. Hei hi chutiang thil tihna atana mamawh protein emaw enzyme emaw tlakchham emaw, tlakchham emaw avanga lo awm a ni tlangpui.

Hei hi genetic condition a ni a, chu chu pian tirh atanga awm thil a ni tihna a ni. Doctor te chuan Inborn Error of Metabolism an ti a . Hei hian kan thisenah hian toxic ammonia a awm khawm thin. Hei hi Hyperammonemia an ti a . Hetiang dinhmun hian kan taksaah nghawng tha lo tak a nei a, a bik takin thluak leh taksa peng dangte chungah nghawng tha lo tak a nei a ni .

Urea cycle disorder chi hrang hrang a awm em?

Ni e, urea cycle disorder hriat chhuah pariat a awm. An zinga pakhat zel hi urea cycle atana mamawh enzyme emaw protein emaw bik a tlakchham vang a ni:

• N-acetylglutamate synthase (NAGS) a tlakchham vang a ni
• Carbamoylphosphate synthetase I (CPS1) a tlakchham vang a ni
• Ornithine transcarbamylase (OTC) a tlakchham vang a ni
• Argininosuccinate synthase 1 (ASS1) tlakchhamna emaw Citrullinemia type I emaw a awm thei
• Citrin tlakchhamna emaw Citrullinemia type II emaw a ni thei
• Argininosuccinic lyase (ASL) a tlakchham vang a ni
• Arginase (ARG) tlakchhamna a awm
• Ornithine translocase tlakchhamna a awm

Hei hi scientific deuhin a lang thei a, mahse heng zinga pakhat zel awmzia chu urea cycle-a step bik pakhatah harsatna a awm tih hi a ni.

He natna hi tuin nge nei thei ang?

Hei hi genetic condition a ni a, tu pawh a nghawng thei a ni. Nau piang tharte hi Universal Newborn Screening Blood Test hmanga hriat theih a ni a, chu chu an pian atanga ni rei lo te chhungin tih thin a ni. Mahse, a chang chuan natna lan chhuah dan hi a hnu lamah a lang chhuak thin. Chutiang a nih chuan puitling pawhin natna an vei tih hriat theih a ni.

Hei hi thlah kal zel atanga lo chhuak thil a ni em?

Ni e, urea cycle tlakchhamna hi inherited condition a ni. A tam zawkah chuan he natna hi i neih theih nan chuan i nu leh pa te hnen atangin genetic mutation i rochun a ngai a ni. Hei hi autosomal recessive transmission an ti a. A chi thenkhat chu naupai hnuah i fate hnenah pek chhuah a ni a, sex chromosome nena inzawm a ni. Hei hi X-linked transmission an ti a.

Hetiang dinhmun hi engtiang chiahin nge a awm?

United States-ah chuan he natna hian mi 35,000 zinga pakhat vel a vei nia chhut a ni. Sri Lanka-ah hian statistics dik tak hmuh theih ni lo mah se, hei hi thil awm lo takah ngaih a ni.

Urea cycle tlakchhamna chhinchhiahna engte nge ni?

Hetiang dinhmun chhinchhiahna hmasa ber hi pian tirh atangin hmuh theih a ni tlangpui. Mahse, heng symptoms te hi kum eng pawhah a lang thei. Heng symptoms te hi i hriat lar angin a lang em tih en rawh:

• Mut theih lohna, hah lutuk (Lethargy) .
• Naute tap fo leh hahdam loh (Fussiness in babies) .
• Nausea emaw, luak chhuak emaw
• Ei leh chawm thei lo
• Thâwk rang lutuk emaw, thawk hah lutuk emaw
• Buaina, hriatna hloh

Heng symptoms te hi thisen a ammonia a tam lutuk vang a ni (Hyperammonemia). Heng symptoms te hi a na lo atanga na tak thlengin a awm thei . Tin, hetiang hi i hmu thei bawk ang:

• Cognitive development lama harsatna leh intellectual challenges te
• Nungchang a inthlak danglam thin
• Developmental delays - Chumi awmzia chu naupang than chhoh dan chu an kum nena inmil lo tihna a ni.
• Thluak chhehvela tui awmkhawm (Cerebral Edema) .
• Muscle a nghet lo, a hrual (Spasticity) .
• Epileptic natna, seizures te a awm thei
• Thil hriat lohna dinhmun, coma

Pawimawh: Thluak tibuaitu symptoms hian nunna a tichhe thei a, chuvangin heng symptoms te hi i neih chuan doctor lam pan vat a pawimawh.

Hei hi eng nge a chhan?

Sawi tawh ang khan urea cycle tlakchhamna hi genetic mutation vang a ni . A hmaa kan sawi tawh chi hrang hrangte hi genetic mutation hrang hrang avanga lo awm a ni a:

• N-acetylglutamate synthase tlakchhamna: NAGS gene-a inthlak danglamna.
• Carbamoylphosphate synthetase I tlakchhamna: CPS1 gene-a inthlak danglamna.
• Ornithine transcarbamylase tlakchhamna: OTC gene-a inthlak danglamna.
• Argininosuccinate synthase 1 tlakchhamna: ASS1 gene-a inthlak danglamna.
• Citrin tlakchhamna: SLC25A13 gene-a mutation awm.
• Argininosuccinic lyase tlakchhamna: ASL gene-a inthlak danglamna.
• Arginase tlakchhamna: ARG gene-a mutation awm.
• Ornithine translocase tlakchhamna: SLC25A15 gene-a mutation awm.

Heng genes te hian taksa pum puia urea phurh luh theihna tura protein leh enzyme mamawh siam hna an thawk a ni. Genetic mutation a lo awm chuan taksain heng protein emaw enzyme emaw hi a siam chhuak tawk lo. Tichuan, taksain toxic ammonia a paih chhuak thei lo va, chu chu thisenah a pungkhawm a, symptoms a siam thin.

Engtin nge he natna hi hriat chhuah a nih?

I doctor chuan i natna lan chhuah dan a zawt hmasa ang a, taksa enfiahna a nei ang a, medical history kimchang a la ang. Tichuan, an natna hriat chian nan thisen emaw zun emaw test turin an ti thei a ni.

Hemi atan hian eng test nge tih a nih?

• Amino acid profile emaw analysis: I thisen emaw zun emaw sample lak hian i taksaa amino acid awm zat a teh thin.
• Liver Biopsy: Liver hmun te tak te tak te chu lak a ni a, microscope hmangin an enfiah a, he natna nena inzawm enzyme a awm em tih leh an hnathawh dan an enfiah thin.
• Genetic Test: Thisen sample lak a ni a, chu chu i natna lan chhuahna thlentu ni thei tur genetic changes a awm leh awm loh enfiah a ni.

Hei hi engtin nge enkawl a nih?

Urea cycle disorder enkawlna tum ber chu thisena ammonia awm zat tihtlem hi a ni. Hei hi hetiang hian tih theih a ni:

• Protein tlakchhamna diet ei.
• Dialysis: Thisen atanga thil tha lo (toxins) paih chhuahna atana hman thin a ni. Hei hi hemodialysis an ti bawk .
• Damdawi hman dan: Damdawi Sodium Phenylacetate leh Sodium Benzoate (e.g. Ammonul® ) te hian thisen atanga ammonia a paih chhuak thei a.
• Amino Acid Supplements ei: Arginine emaw Citrulline ang chi Supplement hian taksain urea cycle a tih zawh theih nan a pui thin.

Hyperammonemia na tak takah chuan liver transplant a ngai mai thei.

Enkawlna i tan hmain i doctor nen damdawi thar leh tih dan tharte a nghawng dan tur sawipui hmasa phawt ang che. Tin, tuna i ei mek damdawi dang emaw, supplement dang emaw i doctor hnenah hrilh bawk ang che. Hei hian duh loh zawng side effects i neih loh nan a pui thei che a ni.

Urea cycle disorder i neih chuan eng ei tur nge i ei loh tur?

Protein tlem ei leh in hi he natna hi enkawl dan tha ber a ni. Hei hi a chhan chu kan chaw ei chhunga protein awmte chu a chhe vek chuan amino acids a lo piang a, chu chuan ammonia a siam chhuak ta a ni. Urea cycle disorder nei chuan he ammonia hi a pianphungah a paih chhuak thei lo. Chuvangin, protein tlem diet ei hian thisenah ammonia a pungkhawm theihna a ti tlem thei a ni.

I ei leh in atanga i tihtlem tur protein tamna ei tur pawimawh thenkhat chu hetiang hi a ni:

• Sangha
• Ar
• Eggs a ni
• Bawngsa
• Bean chi hrang hrang
• Tofu emaw soy awmna ei tur emaw

Mahse, protein hi kan taksa tan a pawimawh em avangin, a cut vek chuan side effect a nei thei a, chu chu a than chak lohna ang chi hi a ni. Chuvangin, i doctor chuan dietitian emaw, nutritionist emaw hnenah a refer thei che a ni . Protein i ei zat control turin an pui thei che a ni. A châng chuan, i doctor chuan protein tihtlem vanga ei leh in lama harsatna awmte tihpun nân vitamin, mineral, amino acid supplement ei tûrin a rawt thei bawk.

Nausen piang thar hian hetiang natna hi a neih chuan hnute pek theih a ni em?

I naute hian nu hnute atanga protein a hmu thin. Nau hnute i pe thei a, mahse i doctor chuan i naute a nghawng dan a enfiah fo ang. I naute protein intake tihtlem i mamawh a nih chuan i doctor chuan i naute chu nu hnute tui ai chuan specialized infant formula pe turin a rawt thei ang.

Hetiang dinhmun hi ven theih a ni em?

Hei hi genetic condition a nih avangin ven theih a ni lo. Naupai i tum a, nau neih theihna tur i hriat duh chuan, i doctor nen genetic counseling chungchang sawipui rawh .

Urea cycle disorder nei hian eng ang beiseina nge a neih theih ang?

I doctor-in he natna hi a hriat chian veleh thisena ammonia awm zat tihtlem nan enkawlna a tan ang. Nau piang thar tan chuan harsatna a awm loh nan an pian hnu lawkah enkawl tan a ni ang. Enkawlna an tan hnuah doctor chuan thisenah ammonia level chu a him tawka a awm leh hma loh chuan a enfiah ang.

He dinhmun hi dam chhung zawng enkawl a ngai a, protein tlem ei tur bik a ngai bawk . Protein ei tam lutuk hian natna lan chhuahna a thlen leh thei a ni.

Hyperammonemia a nasat chuan thluak tihchhiatna, coma, thihna thlengin a thlen thei a ni. Chuvangin, heng nunna atana hlauhawm harsatnate pumpelh nan i dinhmun emaw, i naute dinhmun emaw enkawl dan tur chungchangah i doctor nen sawiho rawh.

Hetiang dinhmunah hian dam lehna tur prognosis chu eng nge ni?

I thlirna chu i symptoms nasat danah a innghat a ni. I dam chhung zawnga natna hmuhchhuah hmasak, enkawl leh enkawl a nih chuan i dam rei zawng chu a pangngai thei a ni. Mahse, enkawl loh emaw, hmuhchhuah loh emaw chuan thihna a thlen thei a ni.

Engtikah nge Doctor ka hmuh ang?

Hetiang natna lan chhuahna i neih chuan, a bik takin i chau lutuk emaw, ei theih loh emaw i nih chuan , doctor pan rawh.

I fa chu a lo seilian chhoh zel chuan, a hmasawnna tur thil pawimawh tak takte a tlin leh tlin loh enfiah a pawimawh . Chu chu kum nena inmil thil a tih a nih chuan tihna a ni. Chutiang a nih loh chuan Doctor pan rawh.

Nangmah emaw, i naute emaw hian seizure i neih emaw, thawk harsatna a neih emaw chuan damdawi in emergency room-ah kal nghal rawh.

Doctor hnenah eng zawhna nge ka zawh ang?

• Engtin nge ka fa dinhmun hi ka enkawl ang?
• Nutritionist ka hmuh tur em ni?
• Enkawlna hian eng side effect nge a neih?
• Eng ei tur nge ka tihbo tur?

Nangmah emaw i naute emaw hian he genetic condition hmuh tur awm lo tak hi i nei tih i hriat chuan lungkhamna i neih hi thil pangngai a ni. I doctor chuan i dinhmun enkawl danah a pui thei che a ni. Protein tlem ei hian i taksa a nghawng dan chu i tihtlem thei a ni. Hei hian symptoms a tihziaawm thei a, i rilru a hahdam thei bawk. I chau reng a, ei leh in lama harsatna i neih emaw, i nungchang danglamna danglam tak i neih chuan doctor pan ngei ngei tur a ni.

Thil pawimawh hriat reng tur (Take-Home Message) .

Okay, chuvang chuan Urea Cycle Disorder chungchang hi kan sawi nasa hle. A tawi zawngin, hriat reng tur tlemte chu hetiang hi a ni:

• Hei hi genetic condition a ni: i pianpui thil a ni tihna a ni. Heta thil thleng hi kan taksa hian ammonia an tih thil tha lo tak chu a paih chhuak tha thei lo a ni.
• Hriat hmasak a pawimawh hle:A bik takin nausen piang thar tan. Symptoms i hmuh chuan doctor thurawn la nghal rawh.
• Enkawlna a awm: A bulpui ber chu thisena ammonia level control hi a ni. Hei hi protein tlem ei leh in, damdawi leh enkawlna dang hmanga tih theih a ni.
• Nun chhung zawnga enkawl a ngai: Enkawl fel a nih chuan mi tam zawk chuan nun pangngai an hmang thei a ni.
• Damdawi lam thurawn zawm: I hriselna atan i doctor leh nutritionist-te thurawn dik taka zawm a pawimawh hle.

Hlauthawng suh. A pawimawh ber chu he natna hi hriat chian a, damdawi lam tanpuina dik tak lak hi a ni. Zawhna dang i neih chuan i doctor biak pawh hlau suh.

` Urea cycle, ammonia, genetic natna, protein metabolism, hyperammonemia, naupang natna, metabolic disorder te